OSDN Git Service

* tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-16  Jeff Law  <law@redhat.com>
2
3         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
4         represent a use and definition of the same SSA_NAME.
5
6 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
7             Janis Johnson  <janis187@us.ibm.com>
8             Ben Elliston  <bje@au.ibm.com>
9
10         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
11         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
12         * target.h (struct gcc_target): Add decimal_float_supported_p.
13         * targhooks.c (default_scalar_mode_supported_p): Handle
14         MODE_DECIMAL_FLOAT.
15         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
16         of inf, nan, finite, isinf and isnan.
17         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
18         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
19         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
20         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
21         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
22         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
23         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
24         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
25         Pedwarn if decimal floating point types are used.  Error if
26         decimal floating point is not supported by the target.
27         (finish_declspecs): Return type from DFP typespec_word.
28         * c-typeck.c (c_common_type): Choose the decimal floating point
29         type with the greater precision when determining a common type.
30         (convert_arguments): Warn if there is a mismatch between argument
31         and prototype for decimal float types.  Warn of conversions with
32         binary float types and of precision narrowing due to prototype.
33         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
34         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
35         (c_token_starts_declspecs): Likewise.
36         (c_parser_attributes): Likewise.
37         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
38         RID_DFLOAT64, RID_DFLOAT128.
39         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
40         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
41         (shorten_compare): Convert DFP/BFP operands to a common type.
42         (c_common_modes_and_builtins): Register built-in decimal float
43         types if the target supports them.
44         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
45         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
46         inf, nan, finite, isinf and isnan builtins.
47         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
48         (builtin_define_float_constants): Assert non-decimal radix.
49         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
50         Call builtin_define_decimal_float_constants for each type.
51         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
52         flags.  Use real_from_string3, which can handle binary or decimal
53         floats.
54         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
55         cts_dfloat64, cts_dfloat128.
56         * tree.c (build_common_tree_nodes_2): Add decimal float types.
57         * tree.h (enum tree_index): Add new enumeration values
58         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
59         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
60         (dfloat32_type_node): New macro.
61         (dfloat64_type_node, dfloat128_type_node): Likewise.
62         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
63         (dfloat128_ptr_type_node): Likewise.
64         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
65         bit decimal floating point types with "df", "dd" and "dl".
66         * c-format.h (enum format_lengths): Add new enumeration values
67         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
68         * c-format.c (printf_length_specs, scanf_length_specs): Add
69         entries for H, D, DD.
70         (print_char_table, scan_char_table): Use new entries.
71         (asm_fprintf_char_table, gcc_diag_char_table,
72         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
73         length arrays.
74         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
75         (DECIMAL64_TYPE_SIZE): Likewise.
76         (DECIMAL128_TYPE_SIZE): Likewise.
77         (TARGET_DEC_EVAL_METHOD): Likewise.
78         * doc/extend.texi (Decimal Float): New node.
79         (Constructing Calls): Document decimal float built-ins.
80         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
81         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
82         * ginclude/decfloat.h: New file.
83
84 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
85
86         * reload.c (find_reloads): Fix comment typo.
87         * recog.h (recog_memoized): Correct comment.
88
89 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
90
91         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
92         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
93         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
94         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
95         * doc/invoke.texi, doc/tm.texi: Fix typos.
96
97 2005-12-16  Ben Elliston  <bje@au.ibm.com>
98
99         * real.c (decimal_quad_format): Correct values for emin, emax.
100
101 2005-12-15  DJ Delorie  <dj@redhat.com>
102
103         * config/m32c/predicates.md (m32c_psi_scale): New.
104         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
105         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
106
107 2005-12-16  Jan Hubicka  <jh@suse.cz>
108
109         PR rtl-optimization/25224
110         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
111         tables.
112
113 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
114             Steven Bosscher <stevenb@suse.de>
115
116         * loop-invariant.c (df): New global variable.
117         (find_defs, check_dependencies, find_invariant_insn, record_uses,
118         find_invariants_bb, find_invariants_body, find_invariants,
119         find_invariants_to_move, move_invariants, free_inv_motion_data,
120         move_single_loop_invariants, move_loop_invariants): Do not pass df in
121         arguments.
122
123 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
124
125         * varasm.c (default_unique_section_1): Use special section
126         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
127
128 2005-12-16  Ben Elliston  <bje@au.ibm.com>
129
130         * doc/invoke.texi (Warning Options): Document -Walways-true being
131         enabled by -Wall.
132
133 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
134
135         PR other/25028
136         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
137         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
138         __floatunditf): Use #error if type sizes don't match requirements
139         of implementation.
140         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
141         as wider floating-point type.  Use #error if type sizes don't
142         match requirements of implementation.  Avoid overflow in computing
143         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
144         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
145         (__floatundisf, __floatundidf): Likewise.
146         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
147         * config/ia64/ia64.c (ia64_init_libfuncs): Use
148         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
149         TFmode-TImode conversions.
150         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
151
152 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
153
154         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
155         Use builtin_define_with_int_value() instead of
156         adding a new check for every new major FreeBSD version.
157
158 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
159
160         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
161
162 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
163
164         * config/arm/predicates.md (call_memory_operand): New.
165         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
166
167 2005-12-15  Andrew Haley  <aph@redhat.com>
168
169         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
170         against prev_cache_entry == NULL when moving a cache entry to the
171         head of the list.
172         
173 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
174
175         * config/mt/mt.c (mt_override_options): Require lower case
176         architectures.  Revert accidental default to ms2.
177         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
178         ENDFILE_SPEC): Require lower case architectures.  Revert default
179         to ms2.
180
181         * doc/invoke.texi (MT Options): Rename and update.
182         * doc/md.texi (MorphoTech family): Rename and update.
183
184 2005-12-15  Olivier Hainque  <hainque@adacore.com>
185
186         * stor-layout.c (layout_type): Don't complain about a too small
187         an array element type size compared to its alignment when the
188         size overflows.
189
190 2005-12-15  Jan Hubicka  <jh@suse.cz>
191
192         PR target/24969
193         * i386.c (classify_argument): Properly adjust offset of bitfield for
194         substructures.
195
196 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
197
198         * final.c (final_scan_insn): Flip in_cold_section_p when changing
199         between the hot and cold sections.  Use current_function_section
200         to get the new section.
201         * dwarf2out.c (output_line_info): Use in_cold_section_p to
202         determine whether we are assembling hot or cold code.
203         (secname_for_decl, dwarf2out_var_location): Likewise.
204         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
205         * varasm.c (last_text_section): Delete.
206         (in_cold_section_p): New variable.
207         (hot_function_section): New function.
208         (current_function_section): Pass in_cold_section_p as the
209         reloc argument to select_section.  Use it to decide between
210         unlikely_function_section and hot_function_section.
211         (assemble_start_function): Use switch_to_section.  Set
212         in_cold_section_p instead of last_text_section.
213         (assemble_end_function): Use switch_to_section.
214         (switch_to_section): Don't set last_text_section.
215         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
216         argument to make the right choice between hot and cold sections.
217
218 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
219
220         Second part of MS1->MT renaming
221         * config/mt/mt.md (doloop_end): Call mt_add_loop.
222         (movqi, movhi): Call mt_set_memflags.
223         (*movdf_internal): Call mt_split_words. 
224         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
225         mt_set_memflags.
226         (cmpsi): Store to mt_compare_op[01].
227         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
228         bungt, bunle, bunlt): Call mt_emit_cbranch.
229         (prologue): Call mt_expand_prologue.
230         (epilogu): Call mt_expend_epilogue.
231         (eh_return): Call mt_expand_eh_return.
232         (eh_epilogue): Call me_emit_eh_epilogue.
233         (conditional_trap): Store to mt_compare_op[01].
234         * config/mt/crti.asm: Adjust comment.
235         * config/mt/crtn.asm: Adjust comment.
236         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
237         (mt_compare_op0, mt_compare_op1): Renamed.
238         (current_frame_info, zero_frame_info): Adjust type.
239         (mt_ucmpsi3_libcall): Renamed.
240         (mt_flag_delayed_branch): Renamed.
241         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
242         (mt_nops_required, mt_nop_reasons): Renamed.
243         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
244         mt_debug_stack, mt_print_operand_simple_address,
245         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
246         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
247         mt_function_arg_advance, mt_arg_partial_bytes,
248         mt_pass_by_reference, mt_function_arg_boundary,
249         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
250         mt_legitimate_address_p): Renamed, adjusted.
251         (mt_cpu): Renamed.
252         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
253         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
254         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
255         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
256         mt_expand_eh_return, mt_emit_eh_prologue,
257         mt_handl_interrupt_attribute): Renamed, adjusted.
258         (mt_attribute_table): Renamed, adjusted.
259         (mt_initial_elimination_offset, mt_generate_compare,
260         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
261         mt_secondary_reload_class, mt_function_value, mt_split_words,
262         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
263         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
264         (mt_labels): Renamed.
265         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
266         mt_machine_reorg): Renamed, adjusted.
267         (mt_attribute_table: Renamed.
268         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
269         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
270         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
271         * config/mt/mt.opt (march): Set mt_cpu_string.
272         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
273         (TARGET_CPU_CPP_BUILTINS): Adjust.
274         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
275         TARGET_MS2): Adjust.
276         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
277         (MT_MIN_INT): Renamed.
278         (RETURN_ADDR_RTX): Adjust.
279         (struct mt_frame_info): Renamed.
280         (current_frame_info): Adjust type.
281         (INITIAL_ELIMINATION_OFFSET): Adjust.
282         (MT_NUM_ARG_REGS): Renamed.
283         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
284         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
285         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
286         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
287         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
288         (mt_compare_op0, mt_compare_op1): Renamed.
289         * config/mt/mt-protos.h: Rename prototypes.
290
291 2005-12-15  Richard Guenther  <rguenther@suse.de>
292
293         * tree-flow.h (okay_component_ref_for_subvars): Remove.
294         (get_ref_base_and_extent): Declare.
295         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
296         (get_ref_base_and_extent): New function.
297         * tree-ssa-alias.c (find_used_portions): Use it.
298         * tree-ssa-structalias.c (get_constraint_for_component_ref):
299         Likewise.
300         * tree-ssa-operands.c (get_expr_operands): Likewise.
301
302 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
303
304         * combine.c: Remove force_to_mode's fourth parameter.
305         (force_to_mode): Do not handle REG.
306         (canon_reg_for_combine): New.
307         (make_field_assignment): Use it where the removed argument was non-NULL.
308
309 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
310
311         PR target/25406
312         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
313         error_mark_node.  Make alignment params unsigned.
314         * config/rs6000/rs6000-protos.h
315         (rs6000_special_round_type_align): Update prototype.
316         (rs6000_machopic_legitimize_pic_address): Remove arg names.
317
318 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
319
320         PR rtl-optimization/25310
321         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
322         of the eliminable register when substituting into a PLUS.
323
324 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
325
326         PR debug/25023
327         * config/i386/i386.c (ix86_force_to_memory): Always use
328         SImode push for HImode in -m32.
329         (ix86_free_from_memory): Likewise.
330
331 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
332
333         * gcc/config/arm/arm.md: Provide a big-endian version of the
334         (zero_extend:SI (subreg:QI ...)) splitter.
335
336 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
337
338         * struct-equiv.c (note_local_live): Handle hard regs with different
339         hard_regno_nregs.
340
341 2005-12-14  Jeff Law  <law@redhat.com>
342
343         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
344         to a structure containing state rather than a pointer to bool.
345         (case ARRAY_REF): New code to handle folding some array references.
346         (case ADDR_EXPR): Note when we are processing expressions found
347         within an ADDRE_EXPR.
348         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
349         for state variables rather than just a pointer to a boolean.
350         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
351         handling of constant string references.
352
353 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
354
355         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
356         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
357         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
358         Move other tst* patterns to retain partial order.
359
360 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
361
362         * config/s390/s390.md ("d0", "1"): New mode attributes.
363         ("<shift>di3", "<shift>si3"): Merge.
364         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
365         ("ashrdi3", "ashrsi3"): Merge.
366         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
367         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
368         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
369         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
370         ("*ashrdi3", "*ashrsi3"): Merge.
371         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
372
373 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
374
375         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
376         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
377         ("*extendqidi2", "*extendqisi2") Merge.
378         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
379         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
380         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
381         Move some patterns to retain partial ordering.
382
383 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
384
385         * config/s390/s390.md ("atype", "length"): Rewrite.
386         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
387
388 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
389
390         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
391
392 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
393
394         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
395         PARALLELs with a mode.
396
397 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
398
399         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
400         cond_expr parameter.
401
402 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
403
404         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
405
406 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
407
408         PR bootstrap/25397:
409
410         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
411         of STACK_REGS bits.
412
413         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
414
415 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
416
417         PR target/25254
418         PR target/24188
419         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
420         DECL_P, call get_section rather than get_named_section.  Supply
421         section flags to it.
422
423 2005-12-14  Ben Elliston  <bje@au.ibm.com>
424
425         * c-common.c (c_common_truthvalue_conversion): Generalise warning
426         for addresses converted to booleans; not just function addresses.
427         * c-typeck.c (build_binary_op): Warn for address comparisons which
428         can never be NULL (eg. func == NULL or &var == NULL).
429         * common.opt (Walways-true): New option.
430         * c-opts.c (c_common_handle_option): Set it with -Wall.
431         * doc/invoke.texi: Document it.
432
433 2005-12-13  Paul Brook  <paul@codesourcery.com>
434
435         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
436         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
437
438 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
439
440         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
441         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
442
443         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
444         (EXTRA_MULTILIB_PARTS): Define.
445
446 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
447
448         PR rtl-optimization/20070 / part1
449         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
450         count_or_remove_death_notes with kill == -1.
451         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
452         registers if PROP_POST_REGSTACK is set.
453         (mark_used_reg): Likewise.
454         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
455         REG_UNUSED notes for stack regs.
456         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
457         to match rtx_equiv_p machinery.  Change caller.
458         (outgoing_edges_match): Likewise.
459         (try_crossjump_to_edge): Use struct_equiv_block_eq
460         instead of flow_find_cross_jump.
461         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
462         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
463         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
464         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
465         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
466         (insns_match_p): Update prototype.
467         (flow_find_cross_jump): Remove prototype.
468         (struct_equiv_block_eq, struct_equiv_init): Declare.
469         (rtx_equiv_p, condjump_equiv_p): Likewise.
470         * struct-equiv.c: Include reload.h.
471         (IMPOSSIBLE_MOVE_FACTOR): Define.
472         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
473         (struct_equiv_improve_checkpoint): Likewise.
474         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
475         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
476         (struct_equiv_merge, find_dying_input): Likewise.
477         (resolve_input_conflict, note_local_live): Likewise.
478         (death_notes_match_p): Change parameters and processing
479         to match rtx_equiv_p machinery.  Change caller.
480         (insns_match_p): Likewise.
481         (flow_find_cross_jump): Replace with:
482         (struct_equiv_block_eq).
483
484         Back out this change:
485         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
486           * recog.c (verify_changes): Make it static.
487           * recog.h: Remove the corresponding prototype.
488
489 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
490
491         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
492         values.
493
494 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
495
496         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
497         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
498         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
499         TARGET_MS1_64_001 appropriately.
500         (ms1_machine_reorg): Use TARGET_MS2.
501
502 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
503
504         PR debug/25023
505         PR target/25293
506         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
507         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
508         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
509         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
510         Set mode to SI, adjust constraints.
511         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
512         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
513         32-bit code.
514
515 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
516
517         * c-cppbuiltin.c (builtin_define_float_constants): Add
518         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
519         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
520         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
521         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
522         to "((double)%sL)" otherwise "%s".
523
524 2005-12-13  Paul Brook  <paul@codesourcery.com>
525
526         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
527         apcs/atpcs.
528
529 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
530
531         * tree-flow.h: Allow compilation with a C++ compiler.
532         (struct edge_prediction): Prefix all field names  with "ep_".
533         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
534         (tree_predict_edge, combine_predictions_for_bb): Likewise.
535         (remove_predictions_associated_with_edge): Likewise.
536         
537 2005-12-12  Jeff Law  <law@redhat.com>
538
539         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
540         reassociation code.
541         * passes.c (init_optimization_passes): Run reassociation again
542         after loop optimizations.
543
544 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
545
546         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
547         if necessary.
548         (optimize_stmt): Ditto.
549         (canonicalize_comparison): New function.
550         * tree-ssa-operands.c (swap_tree_operands): Make external.
551         (get_expr_operands): Stop auto-canonicalization.
552         * tree-ssa-reassoc.c: Rewrite.
553         (init_optimization_passes): 
554         * tree-flow.h (swap_tree_operands): Prototype.
555         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
556
557 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
558
559         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
560         indicate function epilogue has been output.
561         (pa_asm_output_mi_thunk): Likewise.
562         (output_deferred_plabels): Put plabels in readonly data section when
563         not generating PIC code.
564         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
565         information.  Add assert.
566         (som_output_comdat_data_section_asm_op): New function.
567         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
568         instead of output_section_asm_op for COMDAT sections.
569
570 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
571
572         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
573         Fix whitespace in vincinity of to-be-installed changes.
574         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
575         (insns_match_p): Likewise.
576
577 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
578
579         * config.gcc (ms1): Replace with ...
580         (mt): ... this.
581         * config/ms1: Rename to ...
582         * config/mt: ... here.  Rename ms1 files to mt.
583         * config/mt/mt.c: Adjust gt-mt.h #include.
584         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
585         (crti.o, crtn.o): Adjust file names.
586
587 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
588
589         * varray.h: Allow compilation with a C++ compiler.
590         (union varray_data_tag): Prefix all field names with "vdt_".
591         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
592         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
593         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
594         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
595         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
596         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
597         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
598         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
599         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
600         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
601         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
602         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
603         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
604         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
605         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
606         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
607         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
608         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
609         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
610         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
611         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
612         VARRAY_TOP_TREE_PTR): Likewise.
613         * varray.c (varray_grow): Likewise.
614         (varray_clear): Likewise.
615
616 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
617
618         PR target/25299
619         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
620         alignment to doubleword if the first field is a double array.
621         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
622
623 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
624
625         * tree-ssa-structalias.c (process_constraint): Remove code to
626         transform addressofs into scalar.
627         (create_variable_info_for): In whole-program IPA, globals don't
628         point to ANYTHING by default.
629
630 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
631
632         * timevar.def (TV_IPA_PTA): New.
633         * tree-pass.h (pass_ipa_pta): New
634         * tree-ssa-structalias.c: Include cgraph.h
635         (in_ipa_mode): New.
636         (predbitmap_obstack): New.
637         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
638         (struct constraint_stats): Add num_edges.
639         (new_var_info): Don't call bitmap_clear.
640         (struct constraint_edge): Update docs.
641         (new_constraint_edge): Remove src param.
642         (struct constraint_graph): Add zero_weight_succs,
643         zero_weight_preds.  Update docs.
644         (constraint_expr_equal): Reformat.
645         (constraint_edge_equal): Update for removal of src.
646         (constraint_edge_less): Ditto.
647         (constraint_edge_vec_find): Ditto.
648         (erase_graph_self_edge): Update for removal of src and and zero
649         weight bitmap.
650         (clear_edges_for_node): Ditto.
651         (add_graph_edge): Ditto.
652         (get_graph_weights): Ditto.
653         (allocate_graph_weights): Ditto.
654         (merge_graph_nodes): Ditto.
655         (int_add_graph_edge): Ditto.
656         (valid_graph_edge): Ditto.
657         (valid_weighted_graph_edge): Ditto.
658         (build_constraint_graph): Ditto.
659         (scc_visit): Ditto.
660         (collapse_nodes): Ditto.
661         (process_unification_queue): Ditto.
662         (topo_visit): Ditto.
663         (solve_graph): Ditto.
664         (do_structure_copy): Ditto.
665         (perform_var_substitution): Ditto.
666         Init and release obstack.
667         (handle_ptr_arith): Try to resolve directly.
668         (find_func_aliases): Don't call update_alias_info here
669         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
670         (do_sd_constraint): Add code for propagating faster.
671         Update.
672         (do_ds_constraint): Ditto.
673         (count_num_arguments): New function.
674         (create_function_info_for): Ditto.
675         (create_variable_info_for): Handle FUNCTION_DECL.
676         (intra_create_variable_infos): Use make_constraint_to_anything.
677         (init_alias_vars): Init obstacks here.
678         (need_to_solve): Handle zero weight graph changes.
679         (compute_points_to_sets): Call update_alias_info here.
680         (delete_points_to_sets): Free zero weight preds/succs here.
681         (gate_ipa_pta): New.
682         (ipa_pta_execute): New
683
684 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
685
686         * tree-ssa-structalias.c (var_anyoffset): Removed.
687         (anyoffset_tree): Ditto.
688         (anyoffset_id): Ditto.
689         (do_deref): Take vector of constraints, no return value.
690         Update to work on vector.                
691         (get_constraint_for): Ditto.
692         (get_constraint_for_component_ref): Ditto.
693         (do_structure_copy): Ditto.
694         (handle_ptr_arith): Ditto.
695         (find_func_aliases): Ditto.
696         (set_uids_in_ptset): Remove anyoffset handling.
697         (init_base_vars): Ditto.
698
699 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
700
701         PR c++/25010
702         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
703         DECL_EXTERNAL functions have no bodies.  Tidy.
704
705 2005-12-10  Andreas Schwab  <schwab@suse.de>
706
707         * except.c (switch_to_exception_section): Only define if
708         TARGET_UNWIND_INFO is not defined.
709
710 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
711
712         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
713         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
714
715 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
716
717         * output.h (init_section, fini_section): Delete.
718         * varasm.c (init_section, fini_section): Delete.
719         (init_varasm_once): Don't initialize them.
720         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
721         there are no corresponding varasm.c variables.
722
723 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
724
725         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
726         of EH_FRAME_SECTION_NAME into...
727         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
728         if it is still null.
729         * except.c (default_exception_section): Delete, moving most
730         of the code to...
731         (switch_to_exception_section): ...this new function.  Set
732         exception_section if it is still null, then switch to it.
733         (output_function_exception_table): Use switch_to_exception_section.
734         * varasm.c (exception_section, eh_frame_section): Update comments.
735         (get_section): Hoist use of SECTION_NAMED.
736         (init_varasm_once): Don't set exception_section and eh_frame_section.
737         * output.h (default_exception_section): Delete.
738         (default_eh_frame_section): Delete.
739
740 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
741
742         * config/bfin/bfin.c: Include "cgraph.h".
743         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
744         Return the reg that holds the pointer to the GOT.
745         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
746         doing stack checking.
747
748 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
749
750         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
751         recompute_tree_invarant_for_addr_expr.
752         Update uses everywhere.
753
754 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
755
756         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
757         (MULTILIB_DIRNAMES): Define.
758
759 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
760
761         PR target/25311
762         * config/s390/s390.c (struct s390_address): New field literal_pool.
763         (s390_decompose_address): Compute literal_pool field.  Do not 
764         assume register %r13 is always (and solely) used as pool base.
765         (s390_extra_constraint_str): Use literal_pool field.
766
767 2005-12-09  Thiemo Seufer  <ths@networkno.de>
768
769         * config/mips/mips.c (override_options): Don't allow too small
770         integers in FP registers.
771
772 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
773
774         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
775         targetm.binds_local_p to check for local function calls.
776
777 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
778
779         PR debug/24908
780         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
781         call_used_regs can't be used to save reg in another reg.
782
783 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
784             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
785
786         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
787         abort.
788         * except.c (output_ttype): Likewise.
789         * tree-object-size.c (collect_object_sizes_for): Likewise.
790         (check_for_plus_in_loops_1): Likewise.
791         (check_for_plus_in_loops): Likewise.
792         (compute_object_sizes): Use gcc_unreachable instead of abort.
793
794 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
795
796         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
797         (loop_end, loop_init, doloop_end): New insns.
798         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
799         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
800         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
801         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
802         * config/ms1/ms1.c: #include basic-block.h
803         (struct machine_function): Add has_loops field.
804         (ms1_add_loop): New.
805         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
806         (struct loop_info, struct loop_work): New.
807         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
808         (ms1_reorg_loops): New loop optimization.
809         (ms1_machine_reorg): Call it.
810         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
811
812 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
813
814         PR tree-optimization/25248
815         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
816         evolution_of_loop from the failed attempt.  Remove handling
817         of MULT_EXPR.
818
819 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
820
821         * tree.h (DECL_EXTERNAL): Clarify documentation.
822
823 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
824             Jakub Jelinek  <jakub@redhat.com>
825
826         PR target/25268
827         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
828         argument.  Don't drop outer ANDs.
829         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
830         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
831         prototype.
832         * config/s390/predicates.md (setmem_operand): Remove.
833         (shift_count_operand): Rename to...
834         (shift_count_or_setmem_operand): ... this.  Adjust
835         s390_decompose_shift_count caller.
836         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
837         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
838         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
839         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
840         rotl<mode>3_and, setmem_long_and): New insns.
841         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
842         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
843         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
844         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
845         of shift_count_operand.
846         (setmem_long): Use shift_count_or_setmem_operand instead of
847         setmem_operand.
848
849 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
850             Andreas Tobler  <a.tobler@schweiz.ch>
851
852         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
853         tr expression.
854
855 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
856
857         * expr.c (force_operand): Use convert_to_mode for conversions.
858
859 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
860
861         * reload.h (reg_equiv_invariant): Declare.
862         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
863         register also when reg_equiv_invariant[R] is set.
864
865 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
866             Andreas Tobler  <a.tobler@schweiz.ch>
867
868         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
869
870 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
871
872         * tree-ssa-pre.c (bitmap_set_and): New function.
873         (bitmap_set_and_compl): New function.
874         (bitmap_set_empty_p): New function.
875         (insert_extra_phis): New function.
876         (compute_avail): Use insert_extra_phis.
877
878 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
879
880         * config/s390/s390.c (s390_expand_atomic): New function.
881         Adjust comment of helper functions.
882         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
883         * config/s390/s390.md ("ATOMIC"): New code macro.
884         ("atomic"): Corresponding new code attribute.
885         ("sync_lock_test_and_set[hq]i", 
886         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
887
888 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
889
890         * config/s390/s390.c (s390_expand_mask_and_shift, 
891         struct alignment_context, init_alignment_context, 
892         s390_expand_cs_hqi): New.
893         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
894         * config/s390/s390.md ("sync_compare_and_swaphi",
895         "sync_compare_and_swapqi"): New pattern.
896
897 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
898
899         Fix PR tree-optimization/25291
900         * tree-ssa-operands.c (add_call_clobber_ops): Remove
901         redundant and crashing check.
902
903 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
904
905         PR target/25212
906         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
907         tests further when !strict && reload_in_progress.
908         (print_operand): Check that both operands of indexed address are regs.
909         (print_operand_address): Likewise.
910         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
911         (INT_REG_OK_FOR_BASE_P): Correct.
912
913 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
914
915         Preparation for PR rtl-optimization/20070 / part1
916         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
917         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
918         outgoing_edges_match.
919         (outgoing_edges_match): Use condjump_equiv_p.
920         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
921         into..
922         * struct-equiv.c: New file.
923         (death_notes_match_p) New function, broken out of insns_match_p.
924         * Makefile.in (OBJS-common): Add struct-equiv.o.
925         (struct-equiv.o): New target.
926
927 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
928
929         * coretypes.h: Revert previous change.
930         * config/darwin.h: Revert previous reversion.
931         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
932
933 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
934
935         * coretypes.h (section): Provide dummy definition for target files.
936         * config/darwin.h: Revert previous change.
937
938 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
939
940         * doc/sourcebuild.texi (all.build, install-normal): Remove.
941         * configure.ac: Remove all.build and install-normal from target_list
942         * configure: Regenerate.
943         * Makefile.in (install): Don't depend on install-normal.
944
945 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
946
947         * Makefile.in: Document the use of stamps.
948
949 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
950
951         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
952         * Makefile.in: Add code to compute some dependencies on s-gtype
953         automatically.  Remove the declaration of those dependencies.
954
955 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
956
957         * gcc/reload.c (push_secondary_reload): Fix typo:
958         s/insn_constraint/scratch_constraint/.
959
960 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
961
962         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
963
964 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
965
966         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
967         (alpha_elf_select_rtx_section): Return the selected section rather
968         than emitting assembly code.
969         (alpha_write_linkage): Emit a ".link" directive directly and then
970         set in_section to NULL.
971         (vms_asm_out_constructor): Use switch_to_section.
972         (vms_asm_out_destructor): Likewise.
973         (unicosmk_output_common): Set in_section to NULL instead of calling
974         the dummy common_section function.
975         (unicosmk_text_section): Delete in favor of...
976         (unicosmk_output_text_section_asm_op): ...this new function.
977         (unicosmk_data_section): Delete in favor of...
978         (unicosmk_output_data_section_asm_op): ...this new function.
979         (unicosmk_init_sections): New function.
980         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
981         (unicosmk_output_ssib): Set in_section to NULL instead of calling
982         the dummy ssib_section function.
983         (unicosmk_section_buf): Delete.
984         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
985         (unicosmk_data_section): Delete.
986         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
987         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
988         (SECTION_FUNCTION_TEMPLATE): Delete.
989         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
990         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
991         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
992         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
993         (TARGET_ASM_INIT_SECTIONS): Define.
994         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
995         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
996         (link_section, literals_section): Delete.
997         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
998         set in_section to NULL.
999
1000         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1001         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1002         (COMMON_SECTION): Delete.
1003         (TARGET_ASM_INIT_SECTIONS): Define.
1004         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1005         the dummy common_section function.
1006         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1007         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1008         between readonly_data_section and text_section to check whether
1009         read-only data is being put in the text section.
1010         (arm_output_function_epilogue): Use switch_to_section.
1011         (arm_elf_asm_constructor): Likewise.
1012         (thumb_call_via_reg): Replace call to in_text_section with
1013         a comparison between in_section and text_section.
1014         (arm_file_end): Use switch_to_section.
1015         (aof_text_section): Delete in favor of...
1016         (aof_output_text_section_asm_op): ...this new function.
1017         (aof_data_section): Delete in favor of...
1018         (aof_output_data_section_asm_op): ...this new function.
1019         (aof_asm_init_sections): New function.
1020         (zero_init_section): Moved from config/arm/aof.h.
1021         (aof_dump_imports, aof_file_start): Use switch_to_section.
1022         * config/arm/arm.h (thumb_call_via_label): Update comment.
1023         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1024         (common_section): Delete.
1025         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1026         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1027         global switch_to_section function instead of the old port-local one.
1028         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1029         (SWITCH_TO_SECTION_FUNCTION): Delete.
1030         (drectve_section): Redefine as a macro.
1031         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1032         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1033         switch_to_section.
1034
1035         * config/avr/avr.c (progmem_section): New variable.
1036         (avr_output_progmem_section_asm_op): New function.
1037         (avr_asm_init_sections): New function.
1038         (avr_output_addr_vec_elt): Use switch_to_section.
1039         * config/avr/avr.h (progmem_section): Declare.
1040         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1041         (READONLY_DATA_SECTION): Delete.
1042         (TARGET_ASM_INIT_SECTIONS): Define.
1043         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1044         * config/avr/avr-protos.h (progmem_section): Delete.
1045
1046         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1047
1048         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1049         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1050
1051         * config/darwin-sections.def: New file.
1052         * config/darwin.c: Define all sections in darwin-sections.def.
1053         (output_objc_section_asm_op, darwin_init_sections): New functions.
1054         (machopic_output_indirection): Use switch_to_section.
1055         (machopic_select_section): Return the selected section rather than
1056         emitting assembly code.  Replace the static function table with
1057         inline conditional expressions.  Update the tests of last_text_section
1058         and move them into the FUNCTION_DECL block.
1059         (machopic_select_rtx_section): Return the selected section rather than
1060         emitting assembly code.
1061         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1062         (darwin_file_end): Use switch_to_section.
1063         * config/darwin.h: Use darwin-sections.def to declare sections.
1064         (INIT_SECTION_ASM_OP): Remove empty definition.
1065         (HAS_INIT_SECTION): Define this instead.
1066         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1067         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1068         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1069         (TARGET_ASM_INIT_SECTIONS): Define.
1070         * config/darwin-protos.h (darwin_init_sections): Declare.
1071         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1072         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1073         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1074         (constructor_section, destructor_section, mod_init_section): Delete.
1075         (mod_term_section): Delete.
1076         (darwin_exception_section, darwin_eh_frame_section): Delete.
1077         (machopic_select_section): Return a section.
1078         (machopic_select_rtx_section): Likewise.
1079         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1080         (const_section, const_coal_section, const_data_section): Delete.
1081         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1082         (literal4_section, literal8_section, constructor_section): Delete.
1083         (mod_init_section, mod_term_section, destructor_section): Delete.
1084         (objc_class_section, objc_meta_class_section, objc_category_section)
1085         (objc_class_vars_section, objc_instance_vars_section): Delete.
1086         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1087         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1088         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1089         (objc_symbols_section, objc_module_info_section): Delete.
1090         (objc_image_info_section, objc_protocol_section): Delete.
1091         (objc_string_object_section, objc_constant_string_object_section)
1092         (objc_class_names_section, objc_meth_var_names_section): Delete.
1093         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1094         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1095         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1096         (darwin_exception_section, darwin_eh_frame_section): Delete.
1097         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1098
1099         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1100         (frv_asm_out_destructor): Likewise.
1101         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1102         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1103         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1104         get_named_section.
1105         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1106         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1107         (data_section): Delete.
1108
1109         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1110         (DRECTVE_SECTION_FUNCTION): Delete.
1111         (drectve_section): Redefine as a macro that sets in_section after
1112         emitting the directive.
1113         (SWITCH_TO_SECTION_FUNCTION): Delete.
1114         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1115         in_text_section with comparison between in_section and text_section.
1116         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1117         rather than emitting assembly code.  Use get_named_section.
1118         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1119         get_named_section.
1120         (machopic_output_stub): Use switch_to_section.
1121         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1122         (nwld_named_section_asm_out_destructor): Use get_section and
1123         switch_to_section.
1124
1125         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1126         rather than emitting assembly code.
1127         (ia64_rwreloc_select_section): Likewise.
1128         (ia64_rwreloc_select_rtx_section): Likewise.
1129         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1130         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1131         switch_to_section.
1132         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1133         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1134
1135         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1136         section rather than emitting assembly code.
1137         (iq2000_select_section): Likewise.
1138         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1139         (sbss_section): Delete.
1140
1141         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1142         and get_named_section.
1143         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1144
1145         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1146         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1147         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1148         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1149         in_section to NULL.
1150         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1151         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1152         global switch_to_section function instead of the old port-local one.
1153         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1154         (SWITCH_SECTION_FUNCTION): Delete.
1155         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1156         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1157         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1158         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1159         in_section to NULL.
1160         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1161         global switch_to_section function instead of the old port-local one.
1162         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1163
1164         * config/mips/mips.c (mips_file_start): Update comment.
1165         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1166         (mips_output_aligned_decl_common): Use switch_to_section.
1167         (mips_select_rtx_section): Return the section rather than emitting
1168         assembly code.  Use get_named_section.
1169         (mips_function_rodata_section: Likewise get_section.
1170         (build_mips16_function_stub): Use switch_to_section.
1171         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1172         (SDATA_SECTION_ASM_OP): Delete.
1173         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1174         (EXTRA_SECTION_FUNCTIONS): Delete.
1175
1176         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1177         (mmix_asm_output_aligned_local): Use switch_to_section.
1178
1179         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1180         (som_one_only_readonly_data_section): New variables.
1181         (pa_output_function_epilogue): Set in_section to NULL instead of
1182         calling forget_section.
1183         (output_deferred_plabels): Use select_section.
1184         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1185         of calling forget_section.
1186         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1187         (pa_asm_output_aligned_local): Use select_section.
1188         (som_text_section_asm_op): Delete in favor of...
1189         (som_output_text_section_asm_op): ...this new function.
1190         (pa_som_asm_init_sections): New function.
1191         (pa_select_section): Return the section rather than emitting
1192         assembly code.
1193         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1194         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1195         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1196         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1197         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1198         (som_readonly_data_section, som_one_only_readonly_data_section)
1199         (som_one_only_data_section, forget_section): Delete.
1200         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1201         (TARGET_ASM_INIT_SECTIONS): Define.
1202         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1203
1204         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1205         (private_data_section, read_only_private_data_section): New variables.
1206         (sdata2_section, toc_section): New variables.
1207         (rs6000_file_start): Use switch_to_section.
1208         (rs6000_assemble_integer): Use comparisons against in_section
1209         instead of calling in_toc_section and in_text_section.  Use
1210         unlikely_text_section_p.
1211         (rs6000_elf_output_toc_section_asm_op): New function, derived
1212         from the old rs6000/sysv4.h toc_section function.
1213         (rs6000_elf_asm_init_sections): New function.
1214         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1215         the section rather than emitting assembly code.
1216         (machopic_output_stub): Use switch_to_section.
1217         (toc_section): Delete dummy function.
1218         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1219         switch_to_section and get_section.
1220         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1221         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1222         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1223         the old rs6000/xcoff.h toc_section function.
1224         (rs6000_xcoff_asm_init_sections): New function.
1225         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1226         the section rather than emitting assembly code.
1227         (rs6000_xcoff_file_start): Use switch_to_section.
1228         (rs6000_xcoff_file_end): Likewise.
1229         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1230         (sdata2_section, sbss_section, private_data_section): Delete.
1231         (read_only_data_section, read_only_private_data_section): Delete.
1232         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1233         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1234         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1235         (FINI_SECTION_FUNCTION): Delete.
1236         (TARGET_ASM_INIT_SECTIONS): Define.
1237         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1238         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1239         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1240         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1241         (READONLY_DATA_SECTION): Delete.
1242         (TARGET_ASM_INIT_SECTIONS): Define.
1243         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1244         to NULL rather than no_section.
1245         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1246
1247         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1248
1249         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1250         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1251         from call to current_function_section.
1252
1253         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1254         (bss100_section): New variable.
1255         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1256         (xstormy16_asm_init_sections): New function.
1257         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1258         switch_to_section and get_section.
1259         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1260         from calls to current_function_section.
1261         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1262         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1263         (TARGET_ASM_INIT_SECTIONS): Define.
1264         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1265
1266         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1267         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1268         (FINI_SECTION_FUNCTION): Delete.
1269
1270         * config/v850/v850.c: Include gt-v850.h.
1271         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1272         (zbss_section): New variables.
1273         (v850_output_aligned_bss): Use switch_to_section.
1274         (v850_asm_init_sections): New function.
1275         (v850_select_section): Return the section rather than emitting
1276         assembly code.
1277         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1278         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1279         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1280         (TARGET_ASM_INIT_SECTIONS): Define.
1281         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1282         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1283         (zbss_section): Delete.
1284
1285         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1286
1287         * config/vx-common.h (vxworks_exception_section): Delete.
1288         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1289
1290         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1291         section rather than emitting assembly code.
1292         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1293         switch_to_section.
1294
1295         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1296         * coretypes.h (section): New union and typedef.
1297         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1298         from call to current_function_section.
1299         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1300         (dbxout_symbol_location): Use switch_to_section.
1301         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1302         most of the code into...
1303         (default_eh_frame_section): ...here.  Return a section.
1304         (collect2_eh_frame_section): Delete, moving most of the code into..
1305         (switch_to_eh_frame_section): ...this new function.
1306         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1307         (debug_macinfo_section, debug_line_section, debug_loc_section)
1308         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1309         variables.
1310         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1311         eh_frame_section.  Use switch_to_section and get_section.
1312         (dwarf2out_begin_prologue): Use switch_to_section.
1313         (AT_string_form): Check the flags in debug_str_section instead of
1314         DEBUG_STR_SECTION_FLAGS.
1315         (output_comp_unit): Use switch_to_section, get_section, and
1316         debug_info_section.
1317         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1318         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1319         from call to current_function_section.
1320         (dwarf2out_var_location): Use unlikely_text_section_p.
1321         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1322         from call to current_function_section.
1323         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1324         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1325         debug_macinfo_section.
1326         (dwarf2out_init): Initialize the new section variables.  Use them
1327         instead of calls to named_section_flags.  Use switch_to_section.
1328         (output_indirect_string): Use switch_to_section and debug_str_section.
1329         (dwarf2out_finish): Use switch_to_section and the new section
1330         variables.
1331         * except.c (default_exception_section): Return the section instead
1332         of emitting assembly code.
1333         (output_function_exception_table): Use the global exception_section
1334         variable instead of the target hook.  Use switch_to_section.  Remove
1335         argument from call to current_function_section.
1336         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1337         (shorten_branches): Use pointer comparisons to detect whether the
1338         text section is the same as readonly_data_section.
1339         (profile_function): Use switch_to_section.  Remove argument from
1340         call to current_function_section.
1341         (final_scan_insn): Likewise.  Update use of last_text_section.
1342         * gengtype.c (open_base_files): Add an include of output.h.
1343         * output.h (text_section, data_section, readonly_data_section)
1344         (ctors_section, dtors_section, bss_section, init_section)
1345         (fini_section, sdata_section): Turn into section pointers.
1346         (in_text_section, in_unlikely_text_section, exports_section)
1347         (drectve_section, named_section, mergeable_string_section)
1348         (last_text_section_name): Delete.
1349         (default_exception_section, default_eh_frame_section): Return sections.
1350         (SECTION_DECLARED, SECTION_NAMED): New macros.
1351         (SECTION_MACH_DEP): Bump value.
1352         (section_common, named_section, unnamed_section): New structures.
1353         (unnamed_section_callback): New typedef.
1354         (section): New union.
1355         (sbss_section, exception_section, eh_frame_section): New variables.
1356         (in_section, last_text_section): Turn into section pointers.
1357         (get_unnamed_section, get_section, get_named_section): New functions.
1358         (mergeable_constant_section, function_section): Return a section.
1359         (unlikely_text_section): Likewise.
1360         (current_function_section): Likewise.  Remove the decl argument.
1361         (unlikely_text_section_p, switch_to_section): New functions.
1362         (output_section_asm_op): New function.
1363         (set_named_section_flags, named_section_flags, named_section_real)
1364         (named_section_first_declaration): Delete.
1365         (default_select_section, default_elf_select_section): Return a section.
1366         (default_elf_select_section_1, default_function_rodata_section)
1367         (default_no_function_rodata_section, default_select_rtx_section)
1368         (default_elf_select_rtx_section): Likewise.
1369         * rtl.h (in_data_section): Delete.
1370         * sdbout.c (sdbout_one_type): Use switch_to_section.
1371         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1372         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1373         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1374         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1375         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1376         (TARGET_ASM_OUT): Update after above changes.
1377         * target.h (init_sections): New hook.
1378         (exception_section, eh_frame_section): Delete.
1379         (select_section, select_rtx_section, function_rodata_section): Return
1380         a section rather than emitting assembly code.
1381         * varasm.c (text_section, data_section, readonly_data_section)
1382         (ctors_section, dtors_section, bss_section, init_section)
1383         (fini_section): Turn into section pointers.
1384         (sdata_section, sbss_section, exception_section): New variables.
1385         (eh_frame_section): New variable.
1386         (in_section): Make global and turn into a section pointer.
1387         (last_text_section): Turn into a section pointer.
1388         (unnamed_sections): New variable.
1389         (in_named_name, last_text_section_name): Delete.
1390         (EXTRA_SECTION_FUNCTIONS): Delete.
1391         (in_named_entry): Delete.
1392         (section_htab): New variable, replacing...
1393         (in_named_htab): ...this deleted variable.
1394         (section_entry_eq, section_entry_hash): New functions, based on...
1395         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1396         (get_unnamed_section, get_section): New functions.
1397         (unlikely_text_section): Return a section instead of emitting
1398         assembly code.
1399         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1400         (get_named_section_flags, named_section_first_declaration): Delete.
1401         (unlikely_text_section_p): New function.
1402         (named_section_real, named_section): Delete.
1403         (get_named_section): New function.
1404         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1405         (function_section): Return a section rather than emitting
1406         assembly code.
1407         (current_function_section): Likewise.  Remove argument.  Use
1408         last_text_section if nonnull, otherwise use function_section.
1409         (default_function_rodata_section): Return a section rather than
1410         emitting assembly code.  Use get_section.
1411         (default_no_function_rodata_section): Return a section rather than
1412         emitting assembly code.
1413         (variable_section): Use switch_to_section and get_named_section.
1414         (mergeable_string_section): Return a section rather than emitting
1415         assembly code.  Use get_section.  Make static.  Don't take special
1416         countermeasures for empty strings.
1417         (mergeable_constant_section): Return a section rather than emitting
1418         assembly code.  Use get_section.
1419         (default_named_section_asm_out_destructor): Use switch_to_section
1420         and get_section.
1421         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1422         (default_named_section_asm_out_constructor): Use switch_to_section
1423         and get_section.
1424         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1425         (assemble_start_function): Likewise.  Set last_text_section to
1426         NULL rather than no_section.  Change the type of save_section.
1427         (assemble_zeros, assemble_variable): Use the section flags to detect
1428         whether or not a section is text.
1429         (assemble_static_space): Use switch_to_section.
1430         (assemble_trampoline_template): Likewise.
1431         (output_constant_def_contents): Use switch_to_section and
1432         get_named_section.
1433         (output_constant_pool_1): Use switch_to_section.  Use the section
1434         flags to see whether sections contain mergeable data.
1435         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1436         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1437         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1438         whether a section has already been declared.
1439         (default_select_section, default_elf_select_section): Return a
1440         section rather than emitting assembly code.
1441         (default_elf_select_section_1): Likewise.  Use bss_section for
1442         SECCAT_BSS if nonnull.  Use get_named_section.
1443         (default_select_rtx_section): Return a section rather than
1444         emitting assembly code.
1445         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1446         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1447         (output_section_asm_op, switch_to_section): New functions.
1448         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1449         get_named_section.
1450
1451         * doc/tm.texi: Expand the introduction to the sections documentation.
1452         (TRAMPOLINE_SECTION): Document new interface.
1453         (SDATA_SECTION_ASM_OP): Document new macro.
1454         (READONLY_DATA_SECTION): Delete.
1455         (SDATA_SECTION_ASM_OP): Document new macro.
1456         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1457         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1458         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1459         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1460         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1461
1462 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1463
1464         * gcc.c (init_gcc_specs): Match braces inside conditionally
1465         compiled strings.
1466
1467 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1468
1469         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1470
1471 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1472
1473         PR C++/24138
1474         * tree.c (integer_all_onesp): Always return true if all bits on.
1475
1476         * testsuite/g++.dg/init/array0.C: New.
1477
1478 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1479
1480         * doc/md.texi: Adapt to implementation.
1481
1482 2005-12-06  Andreas Schwab  <schwab@suse.de>
1483
1484         * opts.c (decode_options): Fix typo in message.
1485
1486 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1487
1488         PR other/13873
1489         * longlong.h: Merge PPC tests from upstream.
1490
1491 2005-12-06  Richard Guenther  <rguenther@suse.de>
1492
1493         * fold-const.c (fold_convert): Do not build and fold
1494         CONVERT_EXPR, but always use NOP_EXPR.
1495
1496 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1497
1498         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1499         __builtin_ia32_paddq and __builtin_ia32_subq.
1500         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1501         __builtin_ia32_pshufw.
1502         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1503
1504 2005-12-05  James E Wilson  <wilson@specifix.com>
1505
1506         PR target/24934
1507         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1508         is set.
1509
1510 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1511         
1512         * print-tree.c (print_node): Ditto.
1513         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1514         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1515         before accessing DECL_ARTIFICIAL. 
1516         Handle new tag tree codes.
1517         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1518         changes.
1519         (unmodifiable_var_p): Ditto.
1520         * tree-flow.h (mem_tag_kind): Remove.
1521         (struct var_ann_d): Remove mem_tag_kind member.
1522         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1523         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1524         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1525         (group_aliases): Ditto.
1526         (setup_pointers_and_addressables): Ditto.
1527         (is_escape_site): Ditto.                                          
1528         (may_alias_p): Ditto.
1529         (create_tag_raw): New function.
1530         (create_memory_tag): Use it.
1531         (dump_alias_info): Update for tags.
1532         (may_be_aliased): Ditto.
1533         (add_type_alias): Ditto.
1534         (new_type_alias): Ditto.
1535         (create_sft): Ditto.
1536         (create_structure_vars): Ditto.
1537         * tree-ssa-ccp.c (get_default_value): Ditto.
1538         * tree-ssa-operands.c (get_expr_operands): Ditto.
1539         (add_stmt_operand): Ditto.
1540         (add_call_clobber_ops): Remove duplicated condition.
1541         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1542         tags.
1543         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1544         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1545         * tree.c (init_ttree): Update structures for new tree codes.
1546         (tree_code_size): Update sizes for new tree codes.
1547         (make_node_stat): Don't try to set common things on minimal
1548         structures.
1549         (tree_node_structure): Update for tags.
1550         (is_global_var): Ditto.
1551         * tree.def: Add new tree codes.
1552         * tree.h (MTAG_P): New macro.
1553         (TREE_MEMORY_TAG_CHECK): Ditto.
1554         (SSA_VAR_P): Update for tags.
1555         (struct tree_memory_tag): New structure.
1556         (MTAG_GLOBAL): New macro.
1557         (union tree_node): Add memory tag member.
1558         * treestruct.def (TS_MEMORY_TAG): New.
1559         
1560 2005-12-05  Dale Johannesen  <dalej@apple.com>
1561
1562         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1563         what was approved (PR 24323).
1564
1565 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1566
1567         * doc/c-tree.texi (Function Bodies): Remove description of
1568         RETURN_INIT.
1569
1570 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1571
1572         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1573         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1574         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1575         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1576         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1577         __divxc3): Document.
1578
1579 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1580
1581         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1582         previous behaviour.
1583         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1584         hook_bool_void_false.
1585         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1586         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1587
1588         * config/darwin.c (machopic_select_section): It's not defined
1589         as weak if it's only marked as weak_import.
1590         
1591         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1592         Prototype.
1593
1594         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1595         A hidden weak object does bind locally.  Strong linkonce data
1596         counts like any other strong symbol for binding.
1597         (weak_finish_1): Don't specially handle weakrefs, they no longer
1598         arrive here.
1599         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1600         * c-common.c (handle_alias_attribute): Allow static aliases
1601         of variables.
1602         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1603         * gthr-dce.h: Make weakrefs static.
1604         * gthr-tpf.h: Likewise.
1605         * gthr-solaris.h: Likewise.
1606         * gthr-posix.h: Likewise.
1607         * gthr-posix95.h: Likewise.
1608         * config/darwin.c (darwin_encode_section_info): static weakref
1609         variables are not necessarily defined in this translation unit.
1610         * doc/extend.texi (Function Attributes): Mention that an alias
1611         attribute creates a definition for the thing it's attached to.
1612         Change the documentation for weakref to say that the thing
1613         it's attached to must be static.
1614
1615         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1616         we don't go into an infinite loop.
1617
1618 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1619
1620         * config/rs6000/predicates.md (logical_const_operand): Split
1621         out of logical_operand.
1622         (logical_operand): Use it.
1623         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1624         logical_const_operand.
1625
1626 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1627
1628         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1629         and IX86_BUILTIN_CMPNESS.
1630         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1631         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1632         * config/i386/i386.md (movti_internal): Correct type attribute.
1633         Simplify mode attribute.
1634         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1635         Correct type attribute.
1636         (absxf2): Correct operator.
1637         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1638         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1639         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1640         mode attribute.
1641         (sse2_vmsqrtv2df2): Correct mode attribute.
1642
1643 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1644
1645         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1646         16 bits. Provide insn pattern for this case.
1647
1648 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1649
1650         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1651         result.
1652         (__popcountDI2): Likewise.
1653
1654 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1655
1656         PR target/25166
1657         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1658         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1659         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1660         functions.
1661
1662 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1663
1664         * c-typeck.c (null_pointer_constant_p): New function.
1665         (build_conditional_expr, build_c_cast, convert_for_assignment,
1666         build_binary_op): Use it.
1667
1668 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1669
1670         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1671         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1672         CONVERT_EXPR.
1673         (check_function_arguments_recurse): Allow both NOP_EXPR and
1674         CONVERT_EXPR but check conversions preserve precision.
1675         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1676         but check conversions preserve precision.
1677         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1678         default case.
1679
1680 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1681
1682         PR c/7776
1683         * common.opt (Wstring-literal-comparison): New command line option.
1684         * c-opts.c (c_common_handle_option): Set it with -Wall.
1685         * c-typeck.c (parser_build_binary_op): Issue warning if either
1686         operand of a comparison operator is a string literal, except for
1687         testing equality or inequality against NULL.
1688
1689         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1690
1691 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1692
1693         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1694         of building a NOP_EXPR.
1695         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1696         NOP_EXPR.
1697         * c-convert.c (convert): Use fold_convert instead of building
1698         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1699         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1700         #if 0 code.
1701         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1702         NOP_EXPR the same as CONVERT_EXPR.
1703         * c-typeck.c (build_function_call): Use fold_convert instead of
1704         building a NOP_EXPR directly.
1705         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1706
1707 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1708
1709         PR rtl-optimization/25197
1710         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1711         have a reg.
1712
1713 2005-12-02  Stuart Hastings  <stuart@apple.com>
1714
1715         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1716         warning.
1717
1718 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1719
1720         * c-typeck.c (default_function_array_conversion,
1721         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1722         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1723         orig_op2.  Don't check them for NOP_EXPR.
1724         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1725         around integer zero.
1726
1727 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1728
1729         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1730         toc_save_offset, toc_size, lr_size.
1731         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1732         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1733         Adjust for removal of unused rs6000_stack_t fields.
1734         (debug_stack_info): Adjust.
1735         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1736         first, and don't bother checking for set/inc of lr on sibcalls.
1737         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1738
1739 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1740
1741         PR target/25199
1742         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1743         5 if operand 1 is not aligned.  Undo previous constraint change.
1744         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1745
1746 2005-12-02  Richard Guenther  <rguenther@suse.de>
1747
1748         * tree.h (build): Remove prototype.
1749         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1750         * tree.c (build): Remove.
1751         (build0_stat): Update comment.
1752
1753 2005-12-02  Richard Guenther  <rguenther@suse.de>
1754
1755         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1756         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1757         Likewise.
1758         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1759         maybe_fold_offset_to_component_ref): Likewise.
1760         * tree-ssa-dom.c (thread_across_edge,
1761         simplify_rhs_and_lookup_avail_expr,
1762         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1763         Likewise.
1764         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1765         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1766         lower_try_finally_switch): Likewise.
1767         * tree-if-conv.c (add_to_dst_predicate_list,
1768         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1769         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1770         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1771         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1772         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1773         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1774         gimplify_init_ctor_eval, gimplify_init_constructor,
1775         gimplify_variable_sized_compare, gimplify_boolean_expr,
1776         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1777         gimplify_expr, gimplify_body, gimplify_function_tree,
1778         force_gimple_operand): Likewise.
1779         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1780         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1781         mx_register_decls): Likewise.
1782         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1783         get_frame_field, finalize_nesting_tree_1): Likewise.
1784         * tree-inline.c (setup_one_parameter): Likewise.
1785         * tree-vect-transform.c (vectorizable_condition): Likewise.
1786         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1787         Likewise.
1788         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1789         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1790         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1791         * tree-chrec.h (build_polynomial_chrec): Likewise.
1792
1793 2005-12-02  Richard Guenther  <rguenther@suse.de>
1794
1795         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1796         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1797         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1798         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1799         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1800         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1801         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1802         Likewise.
1803         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1804         sh_adjust_unroll_max): Likewise.
1805         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1806         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1807         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1808         Likewise.
1809         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1810         Likewise.
1811         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1812         Likewise.
1813
1814 2005-12-02  Richard Guenther  <rguenther@suse.de>
1815
1816         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1817         simplify_cond_using_ranges): Use buildN instead of build.
1818         * tree-tailcall.c (adjust_accumulator_values,
1819         adjust_return_value): Likewise.
1820         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1821         generate_element_copy, generate_element_zero,
1822         generate_one_element_init): Likewise.
1823         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1824         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1825         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1826         perfect_nestify): Likewise.
1827
1828 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1829
1830         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1831
1832 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1833
1834         * ggc.h (GGC_RESIZEVEC): New.
1835
1836 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1837
1838         * gcc.c (execute): Improve readability.
1839
1840 2005-12-02  Richard Guenther  <rguenther@suse.de>
1841
1842         * tree-cfg.c (mark_used_vars): New function.
1843         (dump_function_to_file): Dump only used VAR_DECLs.
1844
1845 2005-12-02  Richard Guenther  <rguenther@suse.de>
1846
1847         * convert.c (convert_to_integer): Fix compare for nonpositive
1848         constant to use tree_int_cst_sgn <= 0.
1849
1850 2005-12-02  Richard Guenther  <rguenther@suse.de>
1851
1852         * convert.c (convert_to_integer): Use fold_convert instead
1853         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1854         instead of comparing against 0.  Use build_int_cst instead
1855         of converting integer_zero_node.
1856
1857 2005-12-02  Richard Guenther  <rguenther@suse.de>
1858
1859         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1860         and RROTATE_EXPR.
1861  
1862 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1863
1864         PR target/21017
1865         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1866         rotates.
1867
1868 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1869
1870         PR middle-end/25176
1871         * function.c (expand_function_end): Emit blockage for unwinder
1872         after return label.
1873
1874 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1875
1876         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1877         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1878         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1879         integer constant comparisons.
1880
1881 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1882             Janis Johnson  <janis187@us.ibm.com>
1883             David Edelsohn  <dje@watson.ibm.com>
1884             Ben Elliston  <bje@au.ibm.com>
1885
1886         * dfp.h, dfp.c: New files.
1887         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1888         (DECNUM_H): Likewise.
1889         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1890         (INCLUDES): Append $(DECNUMINC).
1891         (OBJS-common): Add dfp.o.
1892         (dfp.o): New rule.
1893         * real.h (EXP_BITS): Pinch one bit to ..
1894         (struct real_value): Add decimal field.
1895         (real_format): Change table size, update documentation.
1896         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1897         (real_from_string3): Declare.
1898         (decimal_single_format): Declare.
1899         (decimal_double_format): Declare.
1900         (decimal_quad_format): Declare.
1901         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1902         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1903         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1904         * real.c: Include dfp.h.
1905         (normalize): Early return for decimal floats.
1906         (do_add): Zero decimal field.
1907         (do_compare): Call do_decimal_compare for decimal floats.
1908         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1909         (real_arithmetic): Call decimal_real_arithmetic for decimal
1910         floating point operands.
1911         (real_identical): If a and b are of differing radix, return false.
1912         (real_to_integer): Call decimal_real_to_integer if the value is a
1913         decimal float.
1914         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1915         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1916         (real_to_hexadecimal): Place "N/A" in the return string for
1917         decimal float.
1918         (real_from_string3): New variant, given a mode.
1919         (real_maxval): Use decimal_real_maxval for decimal floats.
1920         (round_for_format): Use decimal_round_for_format for decimals.
1921         (real_convert): Use decimal_real_convert where appropriate.
1922         (significand_size): Handle base 10.
1923         (encode_decimal_single, decode_decimal_single,
1924         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1925         decode_decimal_quad): New functions.
1926         (decimal_single_format): New.
1927         (decimal_double_format): New.
1928         (decimal_quad_format): New.
1929         * machmode.def: Add SD, DD and TD decimal floating point modes.
1930         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1931         Include MODE_DECIMAL_FLOAT.
1932         (DECIMAL_FLOAT_MODE_P): New.
1933         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1934         * genmodes.c (struct mode_data): Add counter field.
1935         (struct mode_data): Update comment for format.
1936         (blank_mode): Initialise counter field.
1937         (new_mode): Increment counter field for each mode defined.
1938         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1939         using a format.
1940         (make_complex_modes): Handle modes containing `D'.
1941         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1942         (make_decimal_float_mode): New.
1943         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1944         (cmp_modes): Compare counter field if other characteristics
1945         similar.
1946         (emit_real_format_for_mode): Support formats for decimal floats.
1947         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1948         Document MODE_DECIMAL_FLOAT.
1949
1950 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1951
1952         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1953         Delete dead code.
1954
1955 2005-12-01  Richard Henderson  <rth@redhat.com>
1956
1957         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1958
1959 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1960
1961         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1962
1963         * config/pa/pa.c (pa_init_builtins): If we detect
1964         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1965         putc_unlocked.
1966
1967 2005-12-01  Richard Guenther  <rguenther@suse.de>
1968
1969         * fold-const.c (fold_binary): Use fold_build2, not
1970         fold (build (...)).
1971
1972 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1973
1974         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1975
1976         * vec.h (VEC_block_remove): New.
1977
1978 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1979
1980         PR c/13384
1981         * c-common.c (lvalue_error): Fix wording.
1982
1983 2005-12-01  Richard Guenther  <rguenther@suse.de>
1984
1985         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1986         thinko in last patch.
1987
1988 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1989
1990         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1991         than -flat_namespace.
1992
1993 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1994
1995         * mklibgcc.in: Parameterise the script to build soft float
1996         functions by iterating over each type, rather than cloning the
1997         code for each type.
1998
1999 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2000
2001         PR middle-end/25158
2002         * builtins.c (fold_builtin_fputs): Defer check for missing
2003         replacement functions.
2004
2005 2005-11-30  Kean Johnston  <jkj@sco.com>
2006
2007         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2008         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2009
2010 2005-11-30  Richard Guenther  <rguenther@suse.de>
2011
2012         PR tree-optimization/22501
2013         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2014         function split out from ...
2015         (forward_propagate_addr_expr): ... here.  Use it to propagate
2016         ADDR_EXPRs to all uses.
2017
2018 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2019
2020         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2021         * builtins.c (expand_builtin_mathfn): Use them.
2022         (expand_builtin_mathfn_2): Likewise.
2023         (expand_builtin_mathfn_3): Likewise.
2024         (expand_builtin_int_roundingfn): Likewise.
2025         (expand_builtin): Likewise.
2026         (integer_valued_real_p): Likewise.
2027         (fold_builtin_int_roundingfn): Likewise.
2028         (fold_builtin_bitop): Likewise.
2029         (fold_builtin_logarithm): Likewise.
2030         (fold_builtin_1): Likewise.
2031         * convert.c (convert_to_integer): Likewise.
2032         * fold-const.c (negate_mathfn_p): Likewise.
2033         (tree_expr_nonnegative_p): Likewise.
2034
2035 2005-11-30  Dale Johannesen  <dalej@apple.com>
2036             Andrew Pinski  <pinskia@physics.uc.edu>
2037
2038         * combine.c (find_split_point):  Sign extend bitmask
2039         when changing bitfield assignment to IOR of AND.
2040
2041 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2042
2043         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2044         clobber to scratch reg.
2045         (*decrement_and_branch_until_zero_no_clobber): Remove.
2046         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2047         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2048         * config/ms1/ms1.opt (mmul): Remove.
2049         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2050         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2051
2052 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2053             Bernd Schmidt  <bernd.schmidt@analog.com>
2054
2055         * pa/predicates.md (symbolic_operand): Add comment.
2056         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2057         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2058         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2059         (pa_secondary_reload_class): Delete.
2060         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2061         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2062         copy of symbolic operand.
2063         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2064
2065 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2066
2067         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2068         jump.
2069
2070 2005-11-30  Jeff Law  <law@redhat.com>
2071
2072         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2073         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2074
2075 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2076
2077         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2078         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2079         (ia64_expand_move): Adjust caller.
2080
2081         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2082         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2083         negate VAL.
2084
2085 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2086
2087         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2088         Always produce an output if we can remove NEGs or canonicalize
2089         (minus (minus ...)) expressions.  Provide a fast path for the
2090         two-operand case.
2091         (simplify_gen_binary): Do not call simplify_plus_minus.
2092         (simplify_binary_operation_1): Reassociate at the end of the
2093         function.
2094
2095 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2096
2097         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2098         moves and unpack to speed up.
2099
2100 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2101
2102         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2103         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2104         (gen_v9_scc): Update callers.
2105         * config/sparc/sparc.md: Likewise.
2106         * config/sparc/sparc-protos.h: Update extern declaration.
2107
2108         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2109
2110 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2111
2112         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2113         the if.
2114
2115 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2116
2117         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2118         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2119         (negate_expr): Here.
2120
2121 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2122
2123         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2124         Fix typo in comment.
2125
2126 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2127
2128         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2129         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2130
2131 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2132
2133         PR middle-end/20109
2134         PR middle-end/25120
2135         * builtins.c (init_target_chars): New.
2136         (expand_builtin_printf, expand_builtin_fprintf,
2137         expand_builtin_sprintf, fold_builtin_sprintf,
2138         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2139         fold_builtin_snprintf_chk, fold_builtin_printf,
2140         fold_builtin_fprintf): Check for matching format strings using
2141         the target charset.
2142
2143 2005-11-29  Paul Brook  <paul@codesourcery.com>
2144
2145         * config.gcc: Do not use fixproto on m68k-elf.
2146
2147 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2148
2149         * expmed.c (div_cost): Replace with...
2150         (sdiv_cost, udiv_cost): New.
2151         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2152         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2153         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2154         (expand_divmod): Replace use of div_cost with either sdiv_cost
2155         or udiv_cost depending upon the signedness of the operation.
2156
2157 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2158
2159         PR libfortran/24991
2160         * config/darwin.c (machopic_indirection_name,
2161         machopic_output_indirection): Follow transparent alias chain.
2162
2163 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2164
2165         * varasm.c (ultimate_transparent_alias_target): Add comment.
2166
2167 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2168
2169         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2170         SET_SRC instead of XEXP where appropriate.
2171
2172 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2173
2174         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2175         __builtin_expect.
2176
2177 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2178
2179         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2180         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2181         bit at a time.
2182
2183 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2184
2185         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2186         secondary_input_reload_class, made static.  Adapt to new
2187         infrastructure.
2188         (secondary_output_reload_class): Delete.
2189         (TARGET_SECONDARY_RELOAD): New macro.
2190         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2191         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2192
2193 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2194
2195         PR c++/21166
2196         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2197         when its natural alignment is > BITS_PER_UNIT.
2198         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2199         * c-common.c (handle_packed_attribute): Ignore packing on a field
2200         whose type is naturally char aligned.
2201
2202 2005-11-28  Richard Guenther  <rguenther@suse.de>
2203
2204         * c-common.c (strict_aliasing_warning): Handle all
2205         component-ref like accesses.
2206
2207 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2208             Uros Bizjak  <uros@kss-loka.si>
2209
2210         PR middle-end/20219
2211         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2212         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2213         when flag_unsafe_math_optimizations is set and
2214         we don't care about NaNs or Infinities.
2215
2216         Move x/expN(y) and x/pow(y,z) transformation into common
2217         flag_unsafe_math_optimizations section.
2218
2219 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2220
2221         * gcc.c (main): Change type of argv to "char **".
2222
2223 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2224
2225         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2226         small data sections.
2227         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2228         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2229         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2230         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2231         output locals to sbss if !rs6000_elf_in_small_data_p.
2232         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2233
2234 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2235
2236         PR target/24997
2237         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2238         generated by reload.
2239         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2240         indexed_or_indirect_address.
2241         (indexed_or_indirect_address): Don't test for base reg.  Call
2242         address_operand last.  Make it a special predicate.
2243
2244 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2245
2246         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2247
2248 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2249
2250         PR middle-end/24575
2251         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2252         is undefined.
2253         (negate_expr): Likewise.
2254
2255 2005-11-27  Andreas Schwab  <schwab@suse.de>
2256
2257         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2258         redundant parens.
2259
2260 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2261
2262         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2263         has EH predecessor edges.
2264
2265 2005-11-26  Eric Christopher  <echristo@apple.com>
2266
2267         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2268         register stalls by zero extending to the full register.
2269
2270 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2271
2272         * config/floatunsisf.c, config/floatunsidf.c,
2273         config/floatunsixf.c, config/floatunsitf.c: New files.
2274         * config/ia64/t-hpux: Add floatunsitf.c.
2275         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2276         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2277
2278 2005-11-26  Richard Henderson  <rth@redhat.com>
2279
2280         * c-lex.c (pragma_lex): Rename from c_lex.
2281         * c-pch.c: Update for pragma_lex rename.
2282         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2283         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2284         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2285         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2286         * doc/tm.texi: Likewise.
2287
2288 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2289
2290         PR middle-end/23669
2291         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2292         when overflow is undefined.
2293
2294 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2295
2296         * doc/md.texi (Insn Canonicalizations): Refer to the
2297         function commutative_operand_precedence for further rules.
2298
2299 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2300
2301         PR middle-end/21309
2302         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2303         is less than zero.  Limit mult_cost to a reasonable upper bound for
2304         the synthetic multiplication sequence.
2305
2306 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2307
2308         PR middle-end/25022
2309         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2310         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2311         Lookup the explicit replacement functions for any unlocked
2312         stdio builtin transformations.
2313
2314 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2315
2316         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2317         earlyclobber.
2318         * targhooks.c (default_secondary_reload): Don't require operand 2
2319         for an input reload to be earlyclobber.
2320
2321 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2322
2323         * fold-const.c (negate_mathfn_p): Fix comment and add support
2324         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2325         BUILT_IN_ATANH.
2326
2327 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2328
2329         PR middle-end/24998
2330         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2331         _Q_ulltoq for unsigned conversions from SImode and DImode to
2332         TFmode.
2333
2334 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2335
2336         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2337         (__floatundidf, __floatundisf): Likewise.
2338
2339 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2340
2341         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2342         (rs6000_override_options): Remove initialization of
2343         rs6000_sr_alias_set.
2344         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2345         (rs6000_emit_stack_tie): Same.
2346         (emit_frame_save): Same.
2347         (gen_frame_mem_offset): Same.
2348         (rs6000_emit_prologue): Same.
2349         (rs6000_emit_epilogue): Same.
2350
2351 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2352
2353         PR middle-end/24989
2354         * fold-const.c (fold_build): Convert bool_var != 1 and
2355         bool_var == 0 to !bool_var.
2356
2357 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2358
2359         PR middle-end/24990
2360         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2361         for C being INTEGER_CST.  Likewise for !=.
2362
2363 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2364
2365         PR middle-end/24998
2366         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2367         unsigned conversions from SImode to TFmode.
2368
2369 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2370
2371         * expr.c (expand_expr_real_1): Fix error in last change.
2372
2373 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2374
2375         * caller-save.c: (this_insn_sets): Move into:
2376         (save_call_clobbered_regs).
2377         (mark_set_regs): Get this_insn_sets from data.
2378
2379         (save_call_clobbered_regs): Take sets of the return value by
2380         sibcalls into account.
2381
2382 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2383         PR target/21623:
2384
2385         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2386         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2387         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2388         (memory_move_secondary_cost, init_reg_autoinc): Remove
2389         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2390         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2391         secondary_reload_class call.
2392         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2393         callers.
2394         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2395         (push_secondary_reload): Use secondary_reload target hook.
2396         (secondary_reload_class, scratch_reload_class): New functions.
2397         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2398         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2399         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2400         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2401         (secondary_reload_class, scratch_reload_class): Declare.
2402         * reload1.c: Include target.h.
2403         (reload_adjust_reg_for_temp): New function.
2404         (reload_adjust_reg_for_icode): Likewise.
2405         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2406         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2407         call.
2408         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2409         for inheritance.  Support case when both secondary & tertiary reloads
2410         are for intermediate registers.
2411         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2412         with secondary_reload_class call.  Support case when both secondary
2413         & tertiary reloads are for intermediate registers.
2414         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2415         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2416         * target.h (secondary_reload_info): New struct / typedef.
2417         (struct gcc_target): New member secondary_reload.
2418         * targhooks.c Include reload.h, optabs.h and recog.h.
2419         (default_secondary_reload): New function.
2420         * targhooks.h (default_secondary_reload): Declare.
2421         * doc/tm.texi: Document secondary_reload target hook.  Update
2422         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2423         * doc/md.texi: Likewise.
2424
2425         * sh-protos.h (sh_secondary_reload): Declare.
2426         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2427         (sh_secondary_reload): New function.
2428         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2429         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2430         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2431         (HAVE_SECONDARY_RELOADS): Define.
2432         * sh.md (reload_indf): Rename to:
2433         (reload_indf__frn).
2434         (reload_outdf): Rename to:
2435         (reload_outdf__RnFRm).
2436         (reload_insf): Rename to:
2437         (reload_insf__frn).
2438         (reload_insi): Rename to:
2439         (reload_insi__i_fpul).
2440
2441 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2442
2443         * configure.ac: Require at least texinfo 4.4.
2444         * configure: Regenerate.
2445
2446         * doc/install.texi (Tools/packages necessary for building GCC):
2447         Update required version of texinfo to at least 4.4.
2448         (Installing GCC: Building): Update required version of texinfo
2449         to at least 4.4.
2450         (Installing GCC: Final installation): Update required version
2451         of texi2dvi to at least 4.4.
2452         (Host/target specific installation notes for GCC): Update required
2453         version of texinfo to at least 4.4.
2454
2455 2005-11-24  Richard Guenther  <rguenther@suse.de>
2456         Dirk Mueller <dmueller@suse.de>
2457
2458         PR c++/14024
2459         * c-common.h (strict_aliasing_warning): Declare.
2460         * c-common.c (strict_aliasing_warning): New function,
2461         split out from ...
2462         * c-typeck.c (build_c_cast): ... here.
2463
2464 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2465
2466         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2467         to order operands.
2468         (swap_commutative_operands_with_target): New.
2469
2470 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2471
2472         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2473         also when doing PRE, rather than only for global CPROP.
2474
2475 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2476
2477         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2478         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2479         formatting.
2480         (expand_twoval_unop): Likewise.
2481         (widen_clz): Likewise.
2482         (expand_parity): Likewise.
2483         (expand_unop): Likewise.
2484         (emit_cmp_and_jmp_insn_1): Likewise.
2485         (prepare_float_lib_cmp): Likewise.
2486
2487 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2488
2489         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2490         Remove unused `class' variable.
2491
2492 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2493
2494         PR c++/21667
2495         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2496         C/C++ diagnostic function warn_array_subscript_with_type_char.
2497         * c-common.h (warn_array_subscript_with_type_char): Declare.
2498         * c-common.c (warn_array_subscript_with_type_char): Define.
2499
2500 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2501
2502         PR c/21668
2503         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2504         compiling at the intersection of C and C++.
2505
2506 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2507
2508         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2509         List @file in the option summary.  Include the libiberty
2510         documentation for @file.
2511         * gcc.c (main): Call expandargv.
2512         * Makefile.in (gcc-vers.texi): Define srcdir.
2513
2514 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2515
2516         * passes.c (init_optimization_passes): Document
2517         sequencing of passes.
2518
2519 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2520
2521         * config/m68k/predicates.md (pcrel_address, extend_operator,
2522         post_inc_operand, pre_dec_operand): Remove redundant
2523         conditionals.
2524         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2525         instead of abort.
2526         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2527
2528 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2529
2530         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2531
2532 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2533
2534         Preparatory work for PR target/21623:
2535         * alpha.c (secondary_reload_class): Rename to:
2536         (alpha_secondary_reload_class).
2537         * alpha.h, alpha-protos.h: Likewise.
2538         * mn10300.c (secondary_reload_class): Rename to:
2539         (mn10300_secondary_reload_class).
2540         * mn10300.h, mn10300-protos.h: Likewise.
2541         * pa.c (secondary_reload_class): Rename to:
2542         (pa_secondary_reload_class).
2543         * pa.h, pa-protos.h: Likewise.
2544         * rs6000.c (secondary_reload_class): Rename to:
2545         rs6000_secondary_reload_class.
2546         * rs6000.h, rs6000-protos.h: Likewise.
2547
2548 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2549
2550         PR middle-end/22561
2551         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2552
2553 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2554
2555         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2556         a mode_class.
2557         (prepare_cmp_insn): Likewise.
2558
2559 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2560
2561         PR target/23435
2562         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2563         if both operands[0] and operands[1] are memory.
2564
2565 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2566
2567         PR middle-end/23606
2568         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2569         COMPARISON_CLASS_P and an integral types create create a new
2570         expression with the new type and fold that.
2571
2572 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2573
2574         PR target/24988
2575         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2576         to SUBTARGET_OS_CPP_BUILTINS.
2577
2578 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2579
2580         * arm.c (emit_set_insn): New function.
2581         (arm_split_constant): Call it.
2582         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2583         (arm_legitimize_address): Likewise.  Use plus_constant.
2584         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2585         (thumb_expand_prologue): Likewise.
2586         (arm_gen_load_multiple): Use VOIDmode in SET.
2587         (arm_gen_store_multiple): Likewise.
2588         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2589         (emit_multi_reg_push): Likewise.
2590         (emit_sfm): Use plus_constant.
2591
2592 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2593
2594         PR target/24954
2595         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2596         typo last change.
2597
2598 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2599
2600         PR middle-end/24950
2601         * expmed.c (store_bit_field): Don't attempt to insv a field
2602         larger than the reg.
2603
2604 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2605
2606         PR target/24954
2607         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2608         explicit sign extension, not a (char) cast.
2609
2610 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2611
2612         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2613         GET_MODE_CLASS (x) == MODE_FLOAT.
2614         * config/i386/i386.c: Likewise.
2615         * config/rs6000/xcoff.h: Likewise.
2616         * config/rs6000/linux64.h: Likewise.
2617         * config/rs6000/rs6000.c: Likewise.
2618         * config/rs6000/rs6000.h: Likewise.
2619         * config/rs6000/predicates.md: Likewise.
2620         * config/rs6000/sysv4.h: Likewise.
2621
2622 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2623
2624         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2625         flag_pic is set.
2626
2627         * config/alpha/freebsd.h, config/alpha/linux.h,
2628         config/arm/linux-elf.h, config/bfin/bfin.h,
2629         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2630         config/i386/beos-elf.h, config/i386/gnu.h,
2631         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2632         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2633         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2634         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2635         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2636         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2637         config/sparc/linux.h, config/sparc/linux64.h,
2638         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2639
2640         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2641         are both defined when either flag -fpic or -fPIC are used.
2642
2643 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2644
2645         * config/fp-bit.c (clzusi): New function.
2646         (si_to_float, usi_to_float): Use it to compute proper shift.
2647         (usi_to_float): Preserve guard bits when shifting right.
2648         * libgcc-std.ver (GCC_4.2.0): New version.
2649         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2650         __floatundisf): New functions.
2651         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2652         __floatundisf): Declare.
2653         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2654         _floatundixf, and _floatunditf.
2655         * optabs.c (expand_float): If target does not define a pattern for
2656         signed or unsigned conversion, use an unsigned libcall instead of
2657         a signed one.
2658         (init_optabs): Initialize ufloat_optab.
2659
2660 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2661
2662         * config/rs6000/rs6000.opt (mmulhw): New option.
2663         * doc/invoke.texi (-mmulhw): Document.
2664         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2665         for 405 and 440.
2666         * config/rs6000/rs6000.md: Add half-word multiply and
2667         multiply-accumulate instructions for 405 and 440.
2668
2669 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2670
2671         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2672         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2673         default now includes a linker group which makes the RTEMS one nest.
2674
2675 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2676
2677         * cse.c (fold_rtx): Typo fix.
2678         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2679
2680 2005-11-21  Richard Henderson  <rth@redhat.com>
2681
2682         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2683         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2684
2685         * c-tree.h (lookup_name): Move declaration ...
2686         * c-common.h (lookup_name): ... here.
2687         * config/darwin-c.c: Include c-common.h.
2688         * config/t-darwin: Update dependencies.
2689
2690 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2691
2692         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2693         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2694         * genopinit.c (gen_insn): Likewise.
2695         * reload.c (find_equiv_reg): Likewise.
2696         * loop.c (load_mems): Likewise.
2697         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2698         * cse.c (find_comparison_args, fold_rtx): Likewise.
2699         * dwarf2out.c (add_const_value_attribute): Likewise.
2700         * expr.c (convert_move): Likewise.
2701         * recog.c (general_operand, register_operand): Likewise.
2702         * reg-stack.c (replace_reg): Likewise.
2703         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2704         * c-common.c (handle_vector_size_attribute): Likewise.
2705         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2706         (simplify_binary_operation_1): Likewise.
2707         (simplify_const_binary_operation): Likewise.
2708         (simplify_relational_operation): Likewise.
2709         (simplify_const_relational_operation): Likewise.
2710         (simplify_immed_subreg): Likewise.
2711         * emit-rtl.c (gen_lowpart_common): Likewise.
2712         * expmed.c (expand_mult): Likewise.
2713         * stor-layout.c (layout_type): Likewise.
2714
2715 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2716
2717         PR target/24951
2718         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2719         cst2 only for SPE vectors.
2720
2721 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2722
2723         PR target/24953
2724         * config/rs6000/predicates.md (vrsave_operation): Check
2725         UNSPEC_VOLATILE value.
2726
2727 2005-11-21  Jan Hubicka  <jh@suse.cz>
2728
2729         PR tree-optimization/24653
2730         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2731
2732 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2733
2734         * config/i386/predicates.md (ax_reg_operand): New predicate.
2735         (memory_displacement_only_operand): New predicate.
2736         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2737         operand is AX register and the other operand is memory operand
2738         with displacement only.
2739
2740 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2741
2742         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2743         if we don't care about NaNs or Infinities.
2744
2745 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2746
2747         PR rtl-optimization/24883
2748         * combine.c (combinable_i3pat): When checking whether the
2749         destination of i3 is used in i3, consider paradoxical subregs.
2750
2751 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2752
2753         PR middle-end/20583
2754         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2755
2756 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2757
2758         * combine.c (try_combine): Do not run subst on i1src and i2src in
2759         the case of generating a PARALLEL for a comparison.
2760
2761 2005-11-20  Richard Henderson  <rth@redhat.com>
2762
2763         PR 24931
2764         * tree-sra.c (struct sra_elt): Add all_no_warning.
2765         (struct sra_walk_fns) <use>: Add use_all argument.
2766         (sra_walk_expr): Pass it.
2767         (sra_walk_modify_expr): Likewise.
2768         (scalarize_ldst): Likewise.
2769         (scan_use): Update for new argument.
2770         (mark_no_warning): New.
2771         (scalarize_use): Use it.
2772
2773 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2774
2775         * expr.c (expand_expr_real): Use usmul_optab for widening
2776         signed * unsigned multiplies.
2777         * genopinit.c (optabs): Add usmul_widen_optab.
2778         * optabs.c (init_optabs): Likewise.
2779         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2780         (usmul_widen_optab): Define.
2781         * config/bfin/bfin.md (usmulhisi3): New pattern.
2782
2783         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2784
2785 2005-11-20  Graham Stott <btinternet.com>
2786
2787         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2788
2789 2005-11-20  Andreas Schwab  <schwab@suse.de>
2790
2791         PR target/24757
2792         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2793         insn.
2794
2795 2005-11-19  Richard Henderson  <rth@redhat.com>
2796
2797         PR tree-opt/24665
2798         * tree-gimple.c (is_gimple_id): Export.
2799         * tree-gimple.h (is_gimple_id): Declare.
2800         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2801         (get_default_value): Use it.
2802         (maybe_fold_stmt_indirect): Likewise.
2803
2804 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2805
2806         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2807         than VR1 or vice-versa.
2808
2809 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2810
2811         PR middle-end/24912
2812         PR middle-end/24750
2813         * reload.c (find_reloads_address_1): Mention dependency on
2814         gen_reload.
2815         * reload1.c (gen_reload): For IN with an unary operation, try
2816         moving inner expression to OUT if trivial SET is not valid.
2817         Confirm that the result is valid.  Move common code block into...
2818         (emit_insn_if_valid_for_reload): New function.
2819
2820 2005-11-19  Richard Guenther  <rguenther@suse.de>
2821
2822         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2823         ARRAY_REFs of constant strings.
2824
2825 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2826
2827         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2828         fatal format string.
2829
2830 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2831
2832         * combine.c (make_compound_operation): Swap operands of
2833         commutative operation if necessary before returning.
2834
2835 2005-11-19  Richard Guenther  <rguenther@suse.de>
2836
2837         PR middle-end/23294
2838         * fold-const.c (fold_plusminus_mult_expr): New function.
2839         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2840         cases, remove now unnecessary code.
2841
2842 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2843
2844         * gensupport.c (old_preds): Rename to std_preds, add special field.
2845         (struct old_pred_table): Rename to struct std_pred_table, add special
2846         field.
2847         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2848         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2849         (init_predicate_table): Adjust, and set along the way whether a
2850         predicate is special.
2851
2852 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2853
2854         * BASE-VER: Change to 4.2.0.
2855
2856 2005-11-18  James E Wilson  <wilson@specifix.com>
2857
2858         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2859         returning it.
2860
2861 2005-11-18  Mike Stump  <mrs@apple.com>
2862
2863         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2864         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2865         * c-decl.c (lookup_name_two) Remove.
2866         * c-tree.h (lookup_name_two): Remove.
2867         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2868         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2869         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2870         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2871
2872 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2873
2874         PR target/24914
2875         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2876         when not generating code to use that co-processor.
2877
2878 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2879
2880         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2881         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2882         these functions are now in tree-phinodes.c.
2883
2884 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2885
2886         * config/bfin/bfin.md (trap): New pattern.
2887
2888 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2889
2890         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2891         on types.
2892
2893         * expr.c (expand_expr_real): Don't call record_block_change unless
2894         ib_boundaries_block is non-null
2895
2896         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2897
2898         * fold-const.c (build_range_check): Use proper type for subtraction
2899         when merging lower bound.
2900
2901 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2902
2903         PR rtl-optimization/24497
2904         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2905         the copied insn.
2906
2907 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2908
2909         * tree-scalar-evolution.c (expression_expensive_p): New function.
2910         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2911
2912 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2913
2914         * config/bfin/crtlibid.s: New file.
2915
2916 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2917
2918         PR target/24348
2919         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2920         when not using sjlj exceptions.
2921         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2922         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2923         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2924         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2925         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2926         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2927         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2928         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2929         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2930         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2931         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2932         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2933         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2934         defines.
2935         * config/pa/hpux-unwind.h: New file.
2936
2937 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2938
2939         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2940         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2941         * varasm.c (do_assemble_alias): Adjust call.
2942         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2943         is defined.
2944         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2945
2946 2005-11-17  James E Wilson  <wilson@specifix.com>
2947
2948         * tree.def (FUNCTION_DECL): Correct typo in comment.
2949
2950 2005-11-17  Richard Henderson  <rth@redhat.com>
2951
2952         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2953         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2954         and DW_CFA_def_cfa_sf.
2955         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2956         (dbx_reg_number): Don't assert particular registers here.
2957         (based_loc_descr): ... do it here instead.  Fold in ...
2958         (eliminate_reg_to_offset): ... this function.
2959         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2960         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2961         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2962         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2963         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2964         (instantiate_virtual_regs): Likewise.
2965         * var-tracking.c (adjust_stack_reference): Likewise.
2966         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2967
2968 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2969
2970         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2971         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2972         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2973         crtlibid.o.
2974         ($(T)crtlibid.o): New rule.
2975
2976 2005-11-16  Richard Guenther  <rguenther@suse.de>
2977
2978         PR middle-end/24851
2979         * fold-const.c (extract_array_ref): Return byte offset
2980         in all cases.
2981         (fold_binary): Fold &x[a] CMP &x[b] to
2982         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2983         behavior.
2984
2985 2005-11-16  Richard Henderson  <rth@redhat.com>
2986
2987         PR middle-end/23497
2988         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2989         parts of an SSA_NAME.
2990
2991 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2992
2993         PR target/24861
2994         * arm.md (split for movsf with immediate): Restrict split to insns
2995         that set a general register.
2996
2997 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2998
2999         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3000         uw_update_context.
3001         * unwind-dw2.c (uw_advance_context): Likewise.
3002         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3003         _Unwind_SjLj_Unregister.
3004         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3005
3006 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3007
3008         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3009
3010 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3011
3012         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3013         langhook to get a DImode integer type.
3014
3015 2005-11-16  Richard Henderson  <rth@redhat.com>
3016             J"orn Rennecke <joern.rennecke@st.com>
3017             Ulrich Weigand  <uweigand@de.ibm.com>
3018
3019         PR rtl-opt/24160
3020         PR target/24621
3021         * reload1.c (reg_equiv_invariant): New.
3022         (reload): Allocate, initialize, and free it.
3023         (calculate_needs_all_insns): Check it when skipping equivalence
3024         setting insns.
3025         (alter_reg): Likewise.
3026         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3027         may_use_invariant argument; only use reg_equiv_invariant when true.
3028         (eliminate_regs): New.
3029         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3030         a context for which may_use_invariant may be true.
3031
3032 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3033
3034         * fold-const.c (const_binop): Don't constant fold the operation
3035         if the result has overflowed and flag_trapping_math.
3036         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3037
3038 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3039
3040         * config/arm/unwind-arm.c (abort): Add prototype here.
3041         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3042         (struct phase1_vrs): Add prev_sp.
3043         (unwind_phase2_forced): Save the original core registers instead of
3044         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3045         and set action flags accordingly.  Always set _US_END_OF_STACK when
3046         get_eit_entry fails.  Unwind before calling the stop function.
3047         (_Unwind_GetCFA): New function.
3048         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3049         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3050         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3051         just call unwind_phase2_forced.
3052         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3053         * config/arm/unwind-arm.h (abort): Remove prototype.
3054         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3055         prototypes.
3056         (_Unwind_GetCFA): New prototype.
3057         * config/arm/pr-support.c (abort): Add prototype here.
3058         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3059         forced unwinding.
3060         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3061         not schedule the prologue with non-call exceptions and EABI.
3062
3063 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3064
3065         * config/arm/unwind-arm.h: Reorder interface function declarations.
3066         (_URC_END_OF_STACK): New enumeration value.
3067         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3068         (struct _Unwind_Control_Block): Document reserved field use.
3069         (_Unwind_Stop_Fn): New typedef.
3070         (_Unwind_ForcedUnwind): Declare.
3071         (_Unwind_Resume_or_Rethrow): Declare.
3072         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3073         argument.  Adjust.
3074         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3075         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3076         (UCB_FORCED_STOP_ARG): New.
3077         (search_EIT_table): Update boundary condition checks.
3078         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3079         (unwind_phase2): Replace for with do..while.
3080         (unwind_phase2_forced): New.
3081         (__gnu_Unwind_RaiseException): Replace for with do..while.
3082         (__gnu_Unwind_ForcedUnwind): New.
3083         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3084         Use appropriate phase2 unwinder.
3085         (__gnu_Unwind_Resume_or_Rethrow): New.
3086         (__gnu_unwind_pr_common): Cope with forced unwinding.
3087
3088 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3089
3090         PR target/24772
3091         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3092
3093         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3094         roundsf2): Remove "s" from mnemonic.
3095
3096 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3097
3098         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3099         __PIC__ is defined.
3100         * config/bfin/crtn.s: Change epilogues to match.
3101         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3102         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3103         __PIC__ and __pic__.
3104
3105 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3106
3107         PR 24357
3108         * doc/invoke.texi: Distinguish between free and fixed form instead of
3109         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3110         languages.
3111         * gcc.c (default_compilers): Remove double entries, add entries for
3112         suffixes '.F90' and '.F95'.
3113
3114 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3115
3116         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3117         in the stack probing loop.
3118
3119 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3120
3121         * configure.ac: Use .machine power5 not power5x.
3122         * configure: Regenerate.
3123
3124 2005-11-15  Mike Stump  <mrs@apple.com>
3125
3126         * c-decl.c (lookup_name_two): Add.
3127         * c-tree.h (lookup_name_two): Likewise.
3128         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3129         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3130
3131 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3132
3133         PR rtl-optimization/23392
3134         * regrename.c (enum scan_actions) Add mark_access.
3135         (scan_actions_name): Ditto.
3136         (scan_rtx_reg): Handle mark_access.
3137         (scan_rtx_address): Do nothing for mark_access.
3138         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3139         and regs in REG_INC notes before closing chains for dead regs.
3140         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3141         opening chains for new writes.
3142
3143 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3144
3145         * c.opt (ffixed-line-length-none): New.
3146
3147 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3148
3149         * mklibgcc.in: Change contents of eh_dummy.c.
3150
3151 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3152
3153         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3154
3155 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3156
3157         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3158         of making syscalls.
3159         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3160
3161 2005-11-15  Jan Hubicka  <jh@suse.cz>
3162
3163         * invoke.texi (large-unit-insns): Document.
3164         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3165         * params.def (large-unit-insns): New param.
3166
3167 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3168
3169         PR target/24869
3170         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3171         special register for operand 3.  Reindent constraints to align
3172         them vertically.
3173
3174 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3175
3176         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3177         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3178         * configure.ac: Add test for FP rounding instructions.
3179         * configure: Regenerate.
3180         * config.in: Regenerate.
3181         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3182         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3183         features enabled.
3184         * config/rs6000/rs6000.opt (mfprnd): New.
3185         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3186         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3187         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3188         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3189         (TARGET_FPRND): New.
3190         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3191         UNSPEC_FRIZ): New.
3192         (btrunc<mode>2): New.
3193         (ceil<mode>2): New.
3194         (floor<mode>2): New.
3195         (round<mode>2): New.
3196
3197 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3198
3199         * gcc.c (version_compare_spec_function): Use fatal() rather than
3200         abort().
3201
3202         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3203         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3204         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3205         as empty.
3206         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3207         link in crt2.o.
3208
3209         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3210         on -mmacosx-version-min setting.
3211
3212 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3213
3214         PR 24840
3215         * tree-vrp.c (infer_value_range): Return false if STMT is a
3216         block terminator and its basic block has no successors.
3217
3218 2005-11-14  Mike Stump  <mrs@apple.com>
3219
3220         * config/i386/i386.c (override_options): -masm=intel isn't
3221         supported on darwin.
3222         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3223
3224 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3225
3226         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3227         vfork after including auto-host.h.
3228
3229 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3230
3231         PR rtl-optimization/22002
3232         * combine.c (distribute_notes): Detect cases where a reg dies
3233         two or more times in a bb, including on the insn we are combining,
3234         and place the death note on the correct range.
3235
3236 2005-11-14  Dale Johannesen  <dalej@apple.com>
3237
3238         * expmed.c (store_bit_field):  Add offset unconditionally for
3239         memory targets.
3240         (extract_bit_field):  Don't force extzv or extv operand into
3241         a register if field is too big.
3242
3243 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3244
3245         * config/arm/arm.c (pic_labelno): New.
3246         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3247         LABEL_REF.  Pass only the labelno to PIC insns.
3248         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3249         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3250         * arm.md (UNSPEC_PIC_LABEL): New constant.
3251         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3252         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3253         Use the correct label prefix.
3254
3255 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3256
3257         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3258         REQ_EQUIV note.
3259
3260 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3261
3262         * loop-invariant.c: Include tm_p.h.
3263         * Makefile.in: Updated.
3264
3265 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3266
3267         * pa.c (store_reg): Revise generation of frame notes in large frames.
3268         (set_reg_plus_d): Likewise.
3269
3270 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3271
3272         PR tree-optimization/24709
3273         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3274         loop check.
3275
3276 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3277
3278         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3279         and duplicate declaration of pthread_self.
3280
3281 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3282             Ian Lance Taylor  <ian@airs.com>
3283
3284         PR middle-end/24003
3285         * calls.c (expand_call): If TARGET is a MEM and some part of the
3286         argument area has been saved, force TARGET to a register.
3287
3288 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3289
3290         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3291         checking.
3292
3293 2005-11-13  Jason Merrill  <jason@redhat.com>
3294
3295         PR c++/22489
3296         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3297         lazily declared methods.
3298         (force_decl_die): Stop if forcing out the context already make a
3299         DIE for the decl.
3300         (force_type_die): Likewise.
3301
3302 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3303
3304         PR middle-end/24820
3305         * builtins.c (integer_valued_real_p): Add break in
3306         REAL_CST having TREE_OVERFLOW set.
3307
3308 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3309
3310         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3311         addressing modes during calculation of costs.
3312
3313 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3314
3315         * function.c (assign_stack_local_1): Restrict sanity check
3316         on frame size overflow to 32-bit and above platforms.
3317
3318 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3319
3320         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3321         * config/cris/cris.c: Include reload.h.
3322         (cris_initial_elimination_offset): New function.
3323         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3324         Prototype.
3325
3326 2005-11-12  Richard Guenther  <rguenther@suse.de>
3327
3328         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3329
3330 2005-11-12  Jan Hubicka  <jh@suse.cz>
3331
3332         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3333         to compare against 0 when possible.
3334
3335 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3336
3337         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3338         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3339         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3340         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3341         in the new order.
3342
3343 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3344
3345         * recog.c (constrain_operands) <case 'g'>: For a match, require
3346         that a non-register matches general_operand when strict >= 0.
3347
3348 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3349
3350         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3351         previous checkin.
3352
3353 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3354
3355         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3356         (memory_address_same): New.
3357         (dse_optimize_stmt): Call memory_address_same.
3358
3359 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3360
3361         PR middle-end/24750
3362         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3363         ZERO_EXTEND>: New cases.
3364
3365 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3366
3367         * longlong.h (__clz_tab): Always provide.
3368
3369 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3370
3371         PR 24265
3372         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3373         can be assigned to.
3374         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3375         before check_maybe_invariant.
3376         (move_invariant_reg): Use gen_move_insn instead of replacing
3377         SET_DEST with the temporary for the invariant.
3378         (move_loop_invariants): If checking is enabled, do internal
3379         consistency checks after completing the pass.
3380
3381 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3382
3383         PR 24644
3384         * common.opt (Wvolatile-register-var): New.
3385         * varasm.c (make_decl_rtl): Only emit warning when option
3386         specified.  Clarify warning message.
3387         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3388
3389         * doc/md.texi (copysign): Document standard named pattern.
3390
3391 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3392
3393         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3394         bytes when align is 2.
3395         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3396         by the first instruction of the loop.
3397
3398 2005-11-11  Jason Merrill  <jason@redhat.com>
3399
3400         PR c++/24686
3401         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3402         the cleanup list.
3403
3404 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3405
3406         PR rtl-optimization/22509
3407         * local-alloc.c (memref_used_between_p): Check whether a function call
3408         could not reference the memref.
3409
3410 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3411
3412         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3413         algorithm so as to choose the best, not the worst, alternative.
3414         Reset accumulated register class before processing next alternative.
3415
3416 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3417
3418         PR target/24445
3419         * calls.c (expand_call): Copy a return value to a plain register
3420         if needed.
3421
3422 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3423
3424         PR target/24778
3425         * varasm.c (assemble_name): Recompute name only for transparent
3426         aliases.
3427
3428 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3429
3430         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3431
3432 2005-11-04  Jeff Law  <law@redhat.com>
3433
3434         PR middle-end/23181
3435         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3436         perform reassociation if the parent statement will not die as
3437         a result of the optimization.
3438
3439 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3440
3441         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3442         delete_old_heap_vars.
3443         * tree-dfa.c (referenced_var_remove): Remove function.
3444         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3445         (delete_tree_ssa): Remove call to delete_old_heapvars.
3446         Add call to delete_alias_heapvars.
3447         * tree-flow.h (referenced_var_remove): Remove prototype
3448         (init_alias_heapvars): New prototype.
3449         (delete_alias_heapvars): Ditto.
3450         * Makefile.in (tree-ssa-structalias.o): Add
3451         gt-tree-ssa-structalias.o
3452         (GTFILES): Add tree-ssa-structalias.h and
3453         tree-ssa-structalias.c.
3454         (s-gtype): Add gt-tree-ssa-structalias.h.
3455         * tree-ssa-structalias.c (heapvars): Remove.
3456         (oldheapvars): Remove.
3457         (heapvar_for_stmt): New variable.
3458         (heapvar_lookup): New function.
3459         (heapvar_insert): Ditto.
3460         (get_constraint_for): See if we have an old heapvar
3461         to reuse.
3462         (init_alias_heapvars): New function.
3463         (delete_alias_heapvars): Ditto.
3464         Add include of gt-tree-ssa-structalias.h.
3465
3466 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3467
3468         PR middle-end/22127
3469         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3470
3471 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3472
3473         * tree.c (int_fits_type_p): Only look at the base type
3474         if it has the same precision as the original type.
3475
3476 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3477
3478         PR other/4372
3479         * varasm.c (assemble_alias): Use %q+D in the error
3480         message instead of %J and %qD.
3481
3482 2005-11-10  Richard Guenther  <rguenther@suse.de>
3483
3484         * gcse.c (free_ldst_entry): Only free hashtable if
3485         it exists.
3486
3487 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3488
3489         * function.c (assign_stack_local_1): Issue an error message if
3490         the frame size overflows in the signed target arithmetics.
3491
3492 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3493
3494         * tree.c (build_qualified_type): Chain the new type to the original
3495         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3496         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3497         (build_pointer_type_for_mode): Only return unqualified types.
3498         (build_reference_type_for_mode): Likewise.
3499
3500 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3501
3502         * Makefile.in (gnucompare): Do comparison of all files using one of
3503         the chosen methods and only afterwards decide if just warning should
3504         be issued or comparison failure raised.
3505
3506 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3507
3508         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3509         (noce_try_abs): Negate if the comparison is reversed.
3510         Look only one instruction backwards for a REG_EQUAL note.
3511
3512 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3513
3514         PR other/4372
3515         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3516         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3517         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3518         and prefix all uses with __ghtrw.
3519
3520 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3521
3522         PR other/4372
3523         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3524         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3525         * c-common.c (handle_weakref_attribute): New.
3526         (c_common_attribute_table): Add weakref.
3527         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3528         in the assembler.
3529         * configure, config.in: Rebuilt.
3530         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3531         * doc/extend.texi: Document weakref attribute.
3532         * varasm.c (ultimate_transparent_alias_target): New
3533         (assemble_name): Use it.
3534         (weak_finish_1): Split out of...
3535         (weak_finish): ... and deal with weakrefs in...
3536         (weakref_targets): ... new list.
3537         (globalize_decl): Clean up weakref_targets.
3538         (do_assemble_alias): Handle weakrefs.
3539         (finish_aliases_1): Do not reject weakrefs to external symbols.
3540         (assemble_alias): Handle weakrefs.
3541
3542 2005-11-09  Richard Guenther  <rguenther@suse.de>
3543
3544         PR tree-optimization/24716
3545         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3546         t_bool to track results from follow_ssa_edge.
3547
3548 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3549
3550         * final.c (force_source_line): New global variable.
3551         (final_scan_insn): Set it to true instead of clearing last_filename.
3552         (notice_source_line): Return true if force_source_line is true,
3553         unless source info is absent.
3554
3555 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3556
3557         PR c/24644
3558         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3559         a linkage name for a variable if it a register variable.
3560         * c-decl.c (grokdeclarator): Global register variables
3561         should be set as PUBLIC.
3562
3563 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3564
3565         PR 24624
3566         * config/s390/s390.c (struct s390_frame_layout): New fields
3567         first_save_gpr_slot and last_save_gpr_slot.
3568         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3569         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3570         first_save_gpr and last_save_gpr with the _slot variants.
3571         (s390_register_info): Calculate first_save_gpr_slot and
3572         last_save_gpr_slot using regs_ever_live.
3573
3574 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3575
3576         PR 24623
3577         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3578         for a function containing a landing pad.
3579
3580 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3581
3582         PR 24034
3583         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3584         is live afterwards.
3585
3586 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3587
3588         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3589         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3590
3591 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3592
3593         Add ms2 support
3594         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3595         constants.
3596         (call,load,store): New insn types.
3597         (mem_access, branch_access): Adjust reservation conditions.
3598         (define_delay): Adjust condition.
3599         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3600         type.
3601         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3602         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3603         insn type.
3604         (call_internal, call_value_internal, return_internal,
3605         return_interrupt_internal, eh_return_internal, indirect_jump,
3606         tablejump): Set call insn type.
3607         (blockage, ei, di): Use appropriate unspec const.
3608         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3609         (ms1_get_attr_type): Adjust to give load & store types.
3610         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3611         backwards past a barrier.
3612         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3613         branch scheduling.
3614         (struct branch_info, struct label_info): New.
3615         (ms1_labels): New.
3616         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3617         (ms1_machine_reorg): New.
3618         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3619         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3620         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3621         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3622         (TARGET_MS2): New.
3623
3624 2005-11-09  Per Bothner  <per@bothner.com>
3625             Uros Bizjak  <uros@kss-loka.si>
3626
3627         PR c/24101
3628         * toplev.c (process_options): Initialize debug_hooks early
3629         in case lang_hooks.post_options ends up calling a debug_hook.
3630
3631 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3632
3633         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3634         DBX_REGISTER_NUMBER being contiguous.
3635
3636 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3637             Diego Novillo  <dnovillo@redhat.com>
3638
3639         PR 23046
3640         * tree-vrp.c (register_edge_assert_for): Do not register
3641         always-false predicates.
3642
3643 2005-11-08  Devang Patel <dpatel@apple.com>
3644
3645         PR tree-optimization/23115
3646         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3647         relation.
3648
3649 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3650
3651         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3652         -mcpu=440.
3653
3654 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3655
3656         Fix PR tree-optimization/23382
3657
3658         * tree-ssa-alias.c (compute_may_aliases): Call
3659         delete_old_heap_vars.
3660         * tree-dfa.c (referenced_var_remove): New function.
3661         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3662         * tree-flow.h (referenced_var_remove): Add prototype.
3663         (delete_old_heap_vars): Ditto.
3664         * tree-ssa-structalias.c (heapvars): New variable.
3665         (oldheapvars): Ditto.
3666         (get_constraint_for): Put heap vars on heapvars list.
3667         (delete_old_heap_vars): New function.
3668
3669 2005-11-08  Jason Merrill  <jason@redhat.com>
3670
3671         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3672
3673 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3674
3675         PR target/19340
3676         * reg-stack.c (reg_to_stack): Update register liveness also
3677         for flag_sched2_use_traces.
3678
3679 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3680
3681         PR target/23704
3682         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3683         override prior explicit -mno-powerpc-gfxopt.
3684
3685 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3686
3687         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3688         if the bitsize is zero.
3689         * doc/md.texi (Standard Pattern Names): Document it.
3690
3691         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3692         (TARGET_PASS_BY_REFERENCE): Likewise.
3693
3694 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3695
3696         PR rtl-optimization/24683
3697         * config/i386/i386.c (legitimize_pic_address): If constant operand
3698         to PLUS is too large, put it in a register.
3699
3700 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3701
3702         * configure.ac: Enable checking assembler dwarf2 support for bfin
3703         target.
3704         * configure: Regenerate.
3705
3706 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3707
3708         PR target/24230
3709
3710         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3711         gen_easy_vector_constant_add_self): Delete.
3712         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3713         New.
3714         (output_vec_const_move): Use gen_easy_altivec_constant.
3715         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3716         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3717         (easy_vector_constant_add_self): Rewritten.
3718         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3719         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3720         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3721         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3722         Macroize and adjust for the other changes.
3723
3724 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3725
3726         PR c/24599
3727
3728         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3729         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3730
3731 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3732
3733         PR rtl-optimization/23567
3734         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3735         (noce_process_if_block): Don't do any optimizations except
3736         if (cond) x = x; if !set_b and write into orig_x may trap
3737         or fault.  Remove the MEM_READONLY_P check.
3738
3739 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3740
3741         PR 24670
3742         * tree-vrp.c (fix_equivalence_set): New.
3743         (extract_range_from_assert): Call it.
3744
3745 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3746
3747         PR target/22432
3748         * combine.c (apply_distributive_law): Don't distribute across a
3749         vector mode subreg.
3750
3751 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3752
3753         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3754         config/ms1/ms1.h, config/rs6000/predicates.md,
3755         config/s390/s390.c, params.def, postreload-gcse.c,
3756         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3757         tree-vrp.c, tree.c: Fix comment typos.
3758         * doc/invoke.texi: Fix typos.
3759
3760 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3761
3762         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3763         for testing whether the data_dependence_relation contains distance
3764         vectors.  Iterate over all distance vectors of the ddr.
3765         * lambda.h: Define a vec of lambda_vector pointers.
3766         * tree-data-ref.c (dump_data_dependence_relation,
3767         dump_data_dependence_direction): Iterate over all distance and
3768         direction vectors of the ddr.
3769         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3770         DDR_DIST_VECTS.
3771         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3772         of distance/direction vectors instead of a single one.
3773         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3774         lambda_vectors with a vec of lambda_vectors.
3775         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3776         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3777         DDR_NUM_DIST_VECTS): New.
3778         * tree-loop-linear.c (gather_interchange_stats): Test for the
3779         existence of distance vectors only after having checked that there
3780         is a dependence.  Iterate over all distance vectors of the ddr.
3781         (linear_transform_loops): Use dump_data_dependence_relation.
3782         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3783         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3784         distance vectors of the ddr.
3785
3786 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3787
3788         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3789         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3790         IS_INTHANDLER; all callers changed.
3791         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3792         account.
3793         (do_link, do_unlink): New argument ALL; all callers changed.
3794         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3795         If function isn't leaf, save and restore all registers.
3796         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3797         exception handler.
3798
3799 2005-11-05  Jan Hubicka  <jh@suse.cz>
3800
3801         PR rtl-optimization/23490
3802         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3803         max-flow-memory-location): Document.
3804         * flow.c: Include params.h
3805         (MAX_MEM_SET_LIST_LEN): Kill.
3806         (add_to_mem_set_list): Use new param.
3807         * cse.c (cse_basic_block): Replace 1000 by new param.
3808         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3809         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3810         * predict.c (predict_loops): Use new param.
3811         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3812
3813         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3814         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3815         Do not hold memory returned by cgraph_node_name across other call.
3816
3817 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3818
3819         PR target/23424
3820         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3821         Disable.
3822
3823 2005-11-04  Jeff Law  <law@redhat.com>
3824
3825         PR/21883
3826         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3827         * tree-ssa-dom.c: Include params.h.
3828         (thread_across_edge): If there are too many statements in the
3829         target block, then do not thread through it.
3830         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3831         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3832
3833 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3834
3835         PR 24627
3836         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3837         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3838
3839 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3840
3841         PR/18595
3842         * tree-scalar-evolution.c (instantiate_parameters_1,
3843         instantiate_parameters, resolve_mixers): Compute the size of an
3844         expression to be instantiated and give up the instantiation if the
3845         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3846
3847 2005-11-04  Richard Guenther  <rguenther@suse.de>
3848
3849         * tree-flow.h (ref_contains_indirect_ref): Rename to
3850         array_ref_contains_indirect_ref.
3851         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3852         (array_ref_contains_indirect_ref): Make comment match the code
3853         and vice-versa.
3854         (ref_contains_array_ref): Likewise.
3855         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3856         ref_contains_indirect_ref.
3857         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3858         Rename calls to ref_contains_indirect_ref.
3859
3860 2005-11-04 Paul Brook  <paul@codesourcery.com>
3861
3862         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3863         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3864         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3865         * config/arm/arm.md: Use match_operand in peephole input templates
3866         and match_dup in peephole output templates.
3867
3868 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3869
3870         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3871         __aeabi_uidiv.
3872
3873 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3874             Daniel Jacobowitz  <dan@codesourcery.com>
3875
3876         * longlong.h (add_ssaaaa): Clobber condition code register
3877         in ARM version.
3878         (sub_ddmmss): Likewise.
3879         (umul_ppmm): Likewise.
3880
3881 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3882             Paul Brook  <paul@codesourcery.com>
3883             Phil Blundell  <pb@reciva.com>
3884
3885         * configure.ac: Add test for ARM TLS support.
3886         * configure: Regenerated.
3887         * config/arm/arm-protos.h (legitimize_tls_address)
3888         (arm_tls_referenced_p, tls_mentioned_p)
3889         (arm_output_addr_const_extra): New prototypes.
3890         (thumb_legitimize_pic_address): Delete.
3891         * config/arm/arm.c: Include "gt-arm.h".
3892         (enum tls_reloc): New.
3893         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3894         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3895         (arm_call_tls_get_addr, legitimize_tls_address)
3896         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3897         (arm_init_tls_builtins, arm_emit_tls_decoration)
3898         (arm_output_addr_const_extra): New functions.
3899         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3900         (TARGET_HAVE_TLS): Define.
3901         (target_thread_pointer): New.
3902         (arm_override_options): Handle -mtp=.
3903         (legitimize_pic_address): Ignore UNSPECs.
3904         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3905         relative symbols.
3906         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3907         (tls_get_addr_libfunc): New variable.
3908         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3909         (arm_init_builtins): Call arm_init_tls_builtins.
3910         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3911         (arm_encode_section_info): Call default_encode_section_info.
3912         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3913         (enum arm_tp_type): New.
3914         (target_thread_pointer): Add declaration.
3915         (LEGITIMATE_CONSTANT_P): Handle TLS.
3916         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3917         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3918         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3919         * config/arm/arm.md: Add UNSPEC_TLS.
3920         (movsi): Handle TLS.
3921         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3922         non-PIC.
3923         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3924         (load_tp_hard, load_tp_soft): New insns.
3925         * arm.opt: Add -mtp=.
3926         * doc/invoke.texi (ARM Options): Document -mtp.
3927
3928 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3929
3930         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3931         * config/arm/libunwind.S: Include "lib1funcs.asm".
3932         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3933         (LIB2ADDEH): Add libunwind.S.
3934         (LIB2ADDEHDEP): Add lib1funcs.asm.
3935         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3936
3937 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3938
3939         PR fortran/18452
3940         * gcc/c.opt: Add a -lang-fortran option.
3941         * gcc/c-opts.c: Add a lang_fortran flag.
3942         (c_common_init_options): Handling the -lang-fortran option.
3943         (c_common_handle_option): Add a case for Fortran options in
3944         preprocessing. Remove cases for -ffixed-form and
3945         -ffixed-line-length. Add a case for -lang-fortran.
3946
3947 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3948
3949         * config/rs6000/rs6000.c: Include params.h
3950         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3951         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3952         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3953         (UNSPEC_VPKUWSS): Delete.
3954         (altivec_vpkuhss): Delete.
3955         (altivec_vpkuwss): Delete.
3956         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3957         final condition.
3958         (neg_eq0<mode>): Remove final condition.
3959         (neg_eq<mode>): Remove condition and split-condition.
3960
3961 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3962
3963         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3964         Use associated print macros.
3965
3966 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3967
3968         PR c++/17964
3969         * diagnostic.c (diagnostic_set_info_translated): New function.
3970         (diagnostic_set_info): Use it.  Add comment.
3971         * diagnostic.h (diagnostic_set_info_translated): Declare.
3972
3973 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3974
3975         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3976         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3977         reference only if 'public' is true.
3978         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3979         emit the .hidden directive only if the indirect reference is public.
3980         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3981         Pass it to dw2_force_const_mem.
3982         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3983         * dwarf2out.c (output_cfi): Adjust calls to above function.
3984         (output_call_frame_info): Likewise.
3985         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3986         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3987
3988 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3989
3990         PR tree-optimization/24483
3991         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3992         field to elts if possible.
3993
3994 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3995
3996         PR middle-end/23155
3997         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3998         CONSTRUCTOR.
3999
4000 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4001
4002         Fix PR tree-optimization/24351
4003
4004         * tree-ssa-structalias.c (struct variable_info): Add
4005         collapsed_into.
4006         (get_varinfo_fc): New function to follow collapsing.
4007         (new_var_info): Set collapsed_to to NULL.
4008         (dump_constraint): Follow collapsing.
4009         (build_constraint_graph): Handle collapsing.
4010         (do_simple_structure_copy): Return false if something bad
4011         happened.
4012         (collapse_rest_of_var): New function.
4013         (do_structure_copy): Collapse if do_simple_structure_copy returns
4014         false.
4015
4016 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4017
4018         PR middle-end/24589
4019         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4020         expressions to a statement list instead of gimplifying them.
4021
4022 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4023
4024         PR rtl-optimization/23585
4025         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4026         that can't trap plus a constant integer, if the mode has zero size.
4027
4028 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4029
4030         PR target/24620
4031         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4032         as operand 2.
4033         ("*insv<mode>_reg_extimm"): Likewise.
4034
4035 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4036
4037         PR c/24329
4038         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4039         c_common_type_for_mode returns an unnamed type.
4040
4041 2005-11-02  Richard Henderson  <rth@redhat.com>
4042
4043         PR target/9350
4044         PR target/24374
4045         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4046         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4047         * function.c (assign_parms): Use calls.internal_arg_pointer.
4048         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4049         code.
4050         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4051         (TARGET_CALLS): Add it.
4052         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4053         * targhooks.c (default_internal_arg_pointer): New.
4054         * targhooks.h (default_internal_arg_pointer): Declare.
4055         * tree.h (dwarf2out_reg_save_reg): Declare.
4056         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4057         * config/i386/i386.c (dbx_register_map): Add return column.
4058         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4059         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4060         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4061         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4062         (ix86_save_reg): Save force_align_arg_pointer.
4063         (ix86_emit_save_regs): Make regno unsigned.
4064         (ix86_emit_save_regs_using_mov): Likewise.
4065         (ix86_expand_prologue): Handle force_align_arg_pointer.
4066         (ix86_expand_epilogue): Likewise.
4067         * config/i386/i386.h: (dbx_register_map): Update.
4068         (dbx64_register_map, svr4_dbx_register_map): Update.
4069         (struct machine_function): Add force_align_arg_pointer.
4070         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4071         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4072         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4073
4074 2005-11-02  Jan Hubicka  <jh@suse.cz>
4075
4076         PR target/23303
4077         * i386.md: Add peep2 for simplyfing array accesses.
4078
4079 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4080
4081         PR target/24615
4082         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4083         * config/s390/s390.c (s390_decompose_shift_count): New function.
4084         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4085         (print_shift_count_operand): Use s390_decompose_shift_count.
4086         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4087         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4088
4089 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4090
4091         PR target/24600
4092         * loop.c (loop_givs_rescan): Use force_operand to expand
4093         complex GIVs.
4094
4095 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4096
4097         PR 22429
4098         * fold-const.c (build_range_check): Use unsigned when signed
4099         overflow is undefined also.  If etype is subtype, make sure that
4100         the subtraction is in the supertype.
4101
4102 2005-11-02  Richard Henderson  <rth@redhat.com>
4103
4104         PR target/24178
4105         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4106         by MEM_ALIGN.
4107
4108 2005-11-01  Richard Henderson  <rth@redhat.com>
4109
4110         PR 21518
4111         * loop.c (scan_loop): Do not propagate computations to a hard
4112         register destination with SMALL_REGISTER_CLASSES.
4113
4114 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4115
4116         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4117         costs for MULT inside PLUS or MINUS.
4118
4119 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4120
4121         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4122         (TRAMPOLINE_SIZE): Round up to 60.
4123         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4124
4125 2005-10-31  James E. Wilson  <wilson@specifix.com>
4126
4127         PR debug/24444
4128         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4129         ifdef.  Put ifdefs around call in gen_subprogram_die.
4130         (compute_frame_pointer_to_cfa_displacement): Likewise.
4131         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4132         not defined.
4133
4134         PR rtl-optimization/17356
4135         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4136         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4137
4138 2005-10-31  Jan Hubicka  <jh@suse.cz>
4139
4140         PR middle-end/24093
4141         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4142
4143         PR target/20928
4144         * i386.c (legitimize_pic_address): Deal with large immediates.
4145
4146         PR profile/20815
4147         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4148         from symbol names while computing checkup.
4149
4150         PR profile/24487
4151         * predict.c (predict_loops): Do not estimate more than
4152         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4153         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4154
4155 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4156
4157         PR tree-optimization/19097
4158         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4159
4160 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4161
4162         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4163
4164 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4165
4166         PR middle-end/23492
4167         * tree-inline.c (setup_one_parameter): If the init_stmt
4168         is NULL, don't insert the statement.
4169
4170 2005-10-30  Jan Hubicka  <jh@suse.cz>
4171
4172         PR tree-optimization/24172
4173         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4174
4175 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4176
4177         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4178         constants for hosts with long != 32 bits.
4179
4180 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4181
4182         PR middle-end/24093
4183         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4184
4185 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4186
4187         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4188         (TARGET_MS1_16_002): New.
4189         (TARGET_MS1_16_003): New.
4190
4191         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4192         ("*decrement_and_branch_until_zero_no_clobber"): New.
4193         Add corresponding splitter for decrement_and_branch_until_zero
4194         instruction.
4195         Key all decrement_and_branch_until_zero patterns off of
4196         TARGET_MS1_16_003.
4197
4198 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4199
4200         PR middle-end/24362
4201         * tree-complex.c (extract_component): Treat RESULT_DECL
4202         like the rest of the decls.
4203
4204 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4205
4206         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4207         indirect call to _mcount if the function needs a static chain.
4208
4209 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4210             Caroline Tice  <ctice@apple.com>
4211
4212         PR rtl-optimization/24460
4213         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4214         (dwarf2out_switch_text_section): Set it to true instead of
4215         incrementing separate_line_info_table_in_use.
4216         (output_loc_list): Additionally test have_switched_text_sections.
4217         (output_ranges): Likewise.
4218         (dwarf2out_finish): Likewise.
4219         * varasm.c (assemble_start_function): Do not call
4220         insert_section_boundary_note.
4221         (assemble_end_function): If flag_reorder_blocks_and_partition,
4222         switch to the function's section before emitting the .size directive.
4223         * bb-reorder.c (insert_section_boundary_note): Staticify.
4224         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4225         * output.h (insert_section_boundary_note): Delete.
4226
4227 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4228
4229         PR c/23103
4230         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4231         instead of pointer equality when comparing types.
4232
4233 2005-10-24  James E. Wilson  <wilson@specifix.com>
4234
4235         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4236         add_dependence_list_and_free calls.
4237
4238 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4239
4240         * contrib.texi: Add the names of the LLNL folks who donated
4241         Cray pointer support for gfortran.
4242
4243 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4244
4245         PR tree-optimization/24225
4246         * profile.c (branch_prob): Look from end to start through a
4247         basic block when looking for a locus.
4248
4249 2005-10-24  Richard Henderson  <rth@redhat.com>
4250
4251         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4252         parallel.
4253         (hppa_expand_prologue): Likewise.
4254
4255 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4256
4257         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4258         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4259         * pa.h (NO_PROFILE_COUNTERS): Define.
4260         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4261         (funcdef_nos): New vector to hold label numbers of deferred profile
4262         counters.
4263         (output_deferred_profile_counters): New function.
4264         (hppa_profile_hook): Push label number onto funcdef_nos.
4265         (pa_hpux_file_end): Call output_deferred_profile_counters if
4266         NO_DEFERRED_PROFILE_COUNTERS is false.
4267
4268         * pa-protos.h (get_deferred_plabel): New prototype.
4269         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4270         Make global.
4271         (output_call): Adjust calls.
4272
4273 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4274
4275         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4276         peculiarity of GOT/TOC section usage.
4277
4278 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4279
4280         PR objc/24435
4281          * c-common.c (constant_string_class_name): Add documentation.
4282
4283 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4284
4285         PR target/23832
4286         * recog.c (peephole2_optimize): Increment peep2_current_count
4287         only when the slot is empty.
4288
4289 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4290
4291         PR ada/23957
4292         * except.c (output_function_exception_table): Call
4293         assemble_external_libcall if we need a personality function.
4294
4295 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4296
4297         PR rtl-optimization/24460
4298         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4299         set the basic block for barriers.
4300
4301 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4302
4303         * var-tracking.c (vt_initialize): Initialize post.
4304
4305 2005-10-21  Devang Patel  <dpatel@apple.com>
4306
4307         PR/24220
4308         * c-common.c (vector_types_convertible_p): Check vector element type.
4309
4310 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4311
4312         * config/sh/sh.c (prepare_move_operands): Handle the address
4313         constant which is a tls symbolic address plus a constant.
4314
4315 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4316
4317         PR driver/24473
4318         * gcc.c (main): Use the correct counter for erroring out
4319         about mulitple files.
4320
4321 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4322
4323         PR target/24465
4324         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4325         use r2 for 64-bit tls .got access.
4326
4327 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4328
4329         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4330         TRUTH_OR_EXPR.
4331
4332 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4333
4334         PR tree-optimization/24307
4335         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4336
4337 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4338
4339         PR middle-end/24295
4340         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4341         alias targets.
4342         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4343         is ready, stop marking functions, but still mark variables.
4344
4345 2005-10-20  Richard Guenther  <rguenther@suse.de>
4346
4347         PR c++/24439
4348         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4349         void type operands.
4350
4351 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4352
4353         PR rtl-optimization/23585
4354         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4355         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4356         (may_trap_p_1): New predicate extracted from...
4357         (may_trap_p): ... here.  Invoke may_trap_p_1.
4358         (may_trap_or_fault_p): New predicate.
4359         * rtl.h (may_trap_or_fault_p): Declare it.
4360         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4361         instead of may_trap_p.
4362         (steal_delay_list_from_fallthrough): Likewise.
4363         (fill_simple_delay_slots): Likewise.
4364         (fill_slots_from_thread): Likewise.
4365         * function.c (pad_to_arg_alignment): Rework comment about
4366         SPARC_STACK_BOUNDARY_HACK.
4367         * config/sparc/sparc.h: Likewise.
4368
4369 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4370
4371         * config/s390/s390.c (s390_expand_insv): New.
4372         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4373         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4374         ("icm_hi"): Remove mode attribute.
4375         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4376         Adjust all uses.
4377         ("*extracthi", "*extractqi"): Remove.
4378         (extv<mode>", "*extzv<mode>"): New.
4379         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4380         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4381
4382 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4383
4384         * cfgexpand.c (discover_nonconstant_array_refs_r,
4385         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4386         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4387         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4388         discover_nonconstant_array_refs.
4389
4390 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4391
4392         PR c/23228
4393         * c-decl.c (pop_scope): Don't warn about an unused variable
4394         if it is marked with TREE_NO_WARNING.
4395         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4396         somenow mismatch and olddecl is to be replaced.
4397
4398 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4399
4400         PR middle-end/23199
4401         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4402         whether registers live on the edge can be saved/restored.
4403
4404 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4405
4406         * config/sh/sh.c (fixup_mova): Skip notes.
4407
4408 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4409
4410         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4411         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4412         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4413         (s390_initial_elimination_offset): Likewise.
4414         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4415         register on TARGET_ZARCH targets.
4416         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4417         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4418         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4419         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4420
4421 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4422
4423         * config/s390/s390.md: Comment describing output modifiers updated.
4424         * config/s390/s390.c (print_operand): Likewise.
4425
4426 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4427
4428         * config/s390/s390.c (override_options): Added check for -mstack-size
4429         64k limitation.
4430         * doc/invoke.texi: Mention that limit in the documenation.
4431
4432 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4433
4434         PR #19672
4435         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4436
4437 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4438
4439         Fix PR tree-optimization/24231
4440
4441         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4442         (compute_avail): Ditto.
4443
4444 2005-10-18  Richard Henderson  <rth@redhat.com>
4445
4446         PR target/24428
4447         * config/i386/i386.c (legitimate_constant_p): Check
4448         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4449         if LABEL_REF.
4450         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4451         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4452         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4453         directly.
4454         (print_operand_address): Likewise.
4455         * config/i386/predicates.md (x86_64_immediate_operand): Test
4456         SYMBOL_REF_TLS_MODEL properly inside CONST.
4457         (x86_64_zext_immediate_operand): Likewise.
4458         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4459         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4460         * config/i386/i386-protos.h: Remove predicates.md entries.
4461
4462 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4463
4464         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4465         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4466
4467 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4468             Ian Lance Taylor <ian@airs.com>
4469
4470         PR middle-end/23522
4471         * fold-const.c (fold_widened_comparison): Do not allow range based
4472         constant folding when right operand cannot be unwidened.
4473
4474 2005-10-17  Richard Henderson  <rth@redhat.com>
4475
4476         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4477         with a memory clobber.
4478
4479 2005-10-17  James E Wilson  <wilson@specifix.com>
4480
4481         PR rtl-optimization/17356
4482         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4483         checking for EDGE_EH.
4484
4485 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4486
4487         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4488         the slot on an even boundary for any type with 16-byte alignment.
4489
4490 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4491
4492         PR target/23424
4493         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4494         after register allocation.
4495
4496 2005-10-17  DJ Delorie  <dj@redhat.com>
4497
4498         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4499         as frame related.
4500
4501 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4502
4503         PR c++/22551
4504         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4505         overflow flags.
4506
4507 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4508
4509         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4510         to 2 if it's already non-zero.
4511         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4512         is set and warn about it if flag_schedule_insns is 1.
4513
4514 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4515
4516         * config/crx/crx.md: Compare-and-branch instructions need to
4517         invalidate CC.
4518
4519 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4520
4521         PR target/24315
4522         * config/i386/i386.md (*pushdi2_rex64 splitter)
4523         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4524         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4525         flow2 pass only when (optimize > 0 && flag_peephole2).
4526
4527 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4528
4529         PR driver/22544
4530         * gcc.c (have_c): New static variable.
4531         (have_o): Likewise.
4532         (process_command): Remove declation of have_c.
4533         Set have_o to 1 when handling -o.
4534         (main): Add a fatel error if there are multiple
4535         files specified and -o and -c/-S is passed witout
4536         -combine or multiple languages.
4537
4538 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4539
4540         Fix PR tree-optimization/22444
4541         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4542         Assert that we don't hit something with subvars.
4543         (setup_pointers_and_addressables): Don't add things with subvars,
4544         because we'll already process the subvars for aliasing purposes.
4545
4546 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4547
4548         PR target/23424
4549         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4550         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4551         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4552         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4553         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4554         swapped, alternatives for the R constraint.
4555
4556         PR middle-end/24341
4557         * builtins.c (get_builtin_sync_mode): Make unlimited
4558         mode_for_size request.
4559
4560 2005-10-15  Richard Henderson  <rth@redhat.com>
4561
4562         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4563         (gimplify_expr): ... here.
4564         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4565         fb_lvalue in base expression.
4566
4567 2005-10-15  Richard Henderson  <rth@redhat.com>
4568
4569         PR 23714
4570         * builtins.c (expand_builtin_trap): Export.
4571         * expr.h (expand_builtin_trap): Declare.
4572         * expr.c (expand_assignment): Emit a trap for integral offsets
4573         from registers that weren't reduced to bitpos.
4574
4575         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4576         (mark_array_ref_addressable): Remove.
4577         * tree-flow.h (mark_array_ref_addressable): Remove.
4578         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4579
4580 2005-10-15  James E Wilson  <wilson@specifix.com>
4581
4582         PR target/24232
4583         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4584         (add_dependence_list_and_free): Likewise.
4585         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4586         call.
4587
4588 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4589
4590         PR 23141
4591         PR 23142
4592         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4593         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4594         anti-range.
4595         (vrp_visit_phi_node): Only prevent infinite iterations when
4596         the previous result and the new result are both VR_RANGEs.
4597
4598 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4599
4600         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4601         function comment.
4602
4603 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4604
4605         PR c/23439
4606         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4607         to initialize loc.
4608
4609 2005-10-14  Per Bothner  <per@bothner.com>
4610
4611         PR preprocessor/21250
4612         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4613
4614 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4615
4616         PR c++/22551
4617         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4618         overflow flags.  Refactor some conditionals.
4619
4620 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4621
4622         PR tree-opt/21304
4623         * tree-dfa.c (add_referenced_var): Only look at decls which
4624         have TREE_CONSTANT or TREE_READONLY set instead of if
4625         !TREE_PUBLIC or !TREE_CONSTANT.
4626
4627 2005-10-13  James E Wilson  <wilson@specifix.com>
4628
4629         * doc/invoke.texi: For -x, add f95-cpp-input.
4630         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4631
4632 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4633
4634         PR tree-optimization/24262
4635         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4636         in loop all the time.
4637
4638 2005-10-12  Richard Henderson  <rth@redhat.com>
4639
4640         PR c/24255
4641         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4642         * function.c (assign_parm_find_data_types): Don't support it.
4643         * print-tree.c (print_node): Likewise.
4644         * c-common.c (handle_transparent_union_attribute): Likewise.
4645         Use build_duplicate_type.
4646         * tree-inline.c (remap_type_1): Split out of remap_type;
4647         properly remap aggregate fields.
4648         (build_duplicate_type): New.
4649         * doc/extend.texi (Variable Attributes): Remove documentation
4650         for transparent_union.
4651
4652 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4653
4654         PR target/24284
4655         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4656         (gen_stack_pointer_dec): Likewise.
4657
4658 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4659
4660         PR middle-end/21275
4661         PR middle-end/21766
4662         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4663         target hook.
4664         (struct cxx): Add adjust_class_at_definition target hook.
4665         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4666         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4667         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4668         hook_void_tree. Add to TARGET_CXX.
4669         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4670         dllimport_flag.
4671         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4672         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4673         instead of attribute. Check for dllexport override.  Warn if
4674         inconsistent dll linkage. Don't lose old dllimport if decl has
4675         had address referenced.   Tweak lookup of dllimport atribute.
4676         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4677         for target specific rules.  Don't add dllimport attribute if
4678         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4679         dllimport attribute.
4680         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4681         * varasm.c (initializer_constant_valid_p): Replace
4682         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4683
4684         PR target/21801
4685         PR target/23589
4686         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4687         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4688         (i[34567]86-*-mingw32*): Likewise.
4689
4690         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4691         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4692
4693         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4694         C++-specific code. Change return value to bool.
4695         (i386_pe_dllimport_p): Likewise.
4696         (associated_type): Simplify and make language-independent
4697         (i386_pe_encode_section_info): Replace override of ambiguous
4698         dllimport symbol refs with a gcc_assert.
4699         (i386_pe_valid_dllimport_attribute_p): Define.
4700         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4701         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4702         i386_pe_adjust_class_at_definition.
4703         * config/i386/winnt-stubs.c: New file. Define stub versions of
4704         lang-specific functions.
4705         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4706         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4707         i386_pe_adjust_class_at_definition.
4708         (i386_pe_valid_dllimport_attribute_p): Declare.
4709         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4710         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4711         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4712
4713         PR target/19704
4714         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4715         dllimport attribute with test of DECL_DLLIMPORT_P.
4716
4717 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4718
4719         * combine.c (make_extraction): Correct offset computation.
4720
4721 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4722
4723         * config/cris/t-linux (LIMITS_H_TEST): Define.
4724
4725 2005-10-12  Richard Henderson  <rth@redhat.com>
4726
4727         PR rtl-opt/23324
4728         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4729
4730 2005-10-12  Richard Guenther  <rguenther@suse.de>
4731
4732         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4733
4734 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4735
4736         PR c++/19964
4737         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4738         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4739         type.
4740
4741 2005-10-12  Richard Guenther  <rguenther@suse.de>
4742
4743         PR c++/23799
4744         * varasm.c (output_constant): Correct typo from previous
4745         patch by DJ.
4746
4747 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4748
4749         PR rtl-optimization/13931
4750         * combine.c: Revert patch of 2003-05-14, and:
4751         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4752         completely killed in the appropriate insn.
4753         (distribute_notes): Don't skip multiple hard register test for
4754         elim_i1 and elim_i2.
4755
4756 2005-10-11  Richard Henderson  <rth@redhat.com>
4757
4758         PR c/24255
4759         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4760         to initialize a transparent union instead of a nop_expr.
4761
4762 2005-10-11  Richard Henderson  <rth@redhat.com>
4763
4764         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4765         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4766         (tree_ssa_dce_loop): Call scev_reset.
4767
4768         PR tree-opt/24300
4769         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4770         * tree-ssa-dce.c: Include cfgloop.h.
4771         (tree_ssa_dce_loop, pass_dce_loop): New.
4772         * tree-pass.h (pass_dce_loop): Declare it.
4773         * passes.c (init_optimization_passes): Use it.
4774
4775 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4776
4777         PR middle-end/24263
4778         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4779         Only apply the optimization for rounding builtins if the inner
4780         cast is also an extension.
4781
4782 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4783
4784         PR tree-opt/23946
4785         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4786         mark_new_vars_to_rename instead of update_stmt.
4787
4788 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4789
4790         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4791
4792 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4793
4794         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4795         for setting MMX register to 0 rather than mmx.
4796
4797 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4798
4799         PR target/12098
4800         * configure.ac: Move gas check from mips specific case to common case.
4801         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4802         * configure: Regenerate
4803         * doc/install.texi: Update.
4804
4805 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4806
4807         PR target/24284
4808         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4809
4810 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4811
4812         * gcc.c (do_spec_1): Accept numeric characters in file name
4813         suffixes.
4814
4815 2005-10-10  Nick Clifton  <nickc@redhat.com>
4816
4817         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4818         describing the deleted arm_gen_rotated_half_load function.
4819
4820 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4821
4822         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4823         __fpscr_values.
4824
4825 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4826
4827         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4828         gnu_ld assignments.
4829         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4830         (EXTRA_MULTILIB_PARTS): Define.
4831         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4832         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4833         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4834         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4835         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4836         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4837
4838 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4839
4840         PR tree-optimization/24226
4841         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4842         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4843         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4844         Export.
4845
4846 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4847
4848         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4849
4850 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4851
4852         PR target/24136
4853         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4854         Rewrite for no need for the early clobber.
4855
4856 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4857
4858         Merge from csl-arm-branch:
4859         2005-09-07  Paul Brook  <paul@codesourcery.com>
4860         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4861         space to string.
4862
4863         2005-04-30  Paul Brook  <paul@codesourcery.com>
4864         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4865         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4866
4867         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4868         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4869         (arm_override_options): Use TARGET_AAPCS_BASED.
4870         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4871         (PTRDIFF_TYPE): Use int for AAPCS.
4872         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4873         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4874         (DEFAULT_SHORT_ENUMS): Delete.
4875         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4876
4877         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4878         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4879         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4880         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4881
4882         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4883         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4884
4885         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4886         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4887
4888         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4889         * config.gcc (arm*-*-linux-gnueabi): Add it.
4890         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4891         redefining it.
4892         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4893         * config/arm/linux-eabi.h: New file.
4894         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4895         (LINUX_TARET_LINK_SPEC): Likewise.
4896         (LINK_SPEC): Use it.
4897         * config/arm/t-linux-eabi: New file.
4898
4899 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4900
4901         PR other/22202
4902         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4903         spaces.
4904         (PARAM_SMS_DFA_HISTORY): Likewise.
4905
4906 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4907
4908         PR middle-end/23150
4909         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4910         (load_register_parameters): Call it.
4911         (check_sibcall_argument_overlap_1): Likewise.
4912         (store_one_arg): Likewise.
4913
4914 2005-10-07  James E. Wilson  <wilson@specifix.com>
4915
4916         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4917         DImode not VECINT24 for operand 2.
4918
4919         PR target/23644
4920         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4921         -mtune-arch.
4922
4923         PR target/24193
4924         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4925         fr_spill): Use destination_operand for operand 0.
4926
4927 2005-10-07  DJ Delorie  <dj@redhat.com>
4928
4929         * varasm.c (output_constant): Limit error to expanding
4930         conversions.
4931
4932 2005-10-07  Richard Guenther  <rguenther@suse.de>
4933
4934         PR middle-end/24227
4935         * fold-const.c (fold_binary): Fix operand types during folding
4936         of X op (A, Y).  Evaluation order of the side-effects of
4937         X and A are frontend-defined, so ensure we honour that even for
4938         tcc_comparison class operands; eased by removing duplicate code.
4939
4940 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4941
4942         * stor-layout.c (layout_type): Do not allow alignment of array
4943         elements to be greater than their size.
4944
4945 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4946
4947         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4948         host_xmake_file.
4949         (hppa*-*-linux*): Ditto.
4950         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4951         * config/host-hpux.c: New.
4952         * config/x-hpux: New.
4953         * config/pa/x-hpux: Remove.
4954         * config/pa/x-linux: Remove.
4955         * config/pa/pa-host.c: Remove.
4956
4957 2005-10-07  Jeff Law  <law@redhat.com>
4958
4959         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4960         determine whether or not to try and thread outgoing edges.
4961
4962 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4963
4964         * config/rs6000/rs6000.md (eqsi_power): New.
4965         (neg_eq0si): Add TARGET_POWER to final condition.
4966         (neg_eqsi): Same.
4967
4968 2005-10-06  Richard Henderson  <rth@redhat.com>
4969
4970         * config/rs6000/rs6000.c: Revert last change.
4971
4972 2005-10-06  Richard Henderson  <rth@redhat.com>
4973
4974         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4975         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4976
4977 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4978
4979         PR middle-end/22216
4980         PR middle-end/23651
4981         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4982         out return_label and naked_return_label.
4983
4984 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4985
4986         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4987         change.
4988
4989 2005-10-06  Richard Henderson  <rth@redhat.com>
4990
4991         PR tree-opt/22237
4992         * tree-inline.c (declare_return_variable): Handle modify_dest not
4993         being a DECL.
4994
4995 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4996
4997         Fix PR tree-optimization/22488
4998         * tree-ssa-structalias.c (check_for_overlaps): New function.
4999         (create_variable_info_for): Use it.
5000
5001 2005-10-06  Richard Henderson  <rth@redhat.com>
5002
5003         PR debug/24070
5004         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5005         (dwarf2out_start_source_file): Print it.
5006
5007 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5008
5009         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5010
5011 2005-10-06  Richard Henderson  <rth@redhat.com>
5012
5013         PR 23706
5014         * mode-switching.c (optimize_mode_switching): Clear transp bit
5015         for block with incomming abnormal edges.
5016
5017         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5018         (fpscr_set_from_mem): Use them.
5019         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5020         (fpscr postinc splitters): Rewrite as peephole2+split.
5021
5022 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5023
5024         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5025         (eq<mode>_compare): Same.
5026
5027 2005-10-06  Richard Guenther  <rguenther@suse.de>
5028
5029         PR tree-optimization/24238
5030         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5031
5032 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5033
5034         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5035         here.  Use AC_PATH_PROG for environment variables instead of
5036         test -x.
5037         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5038         objdump also.
5039         * configure: Regenerated.
5040
5041 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5042
5043         PR target/23783
5044         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5045         then force it into a register.
5046         (call_value): Likewise.
5047
5048 2005-10-06  Richard Henderson  <rth@redhat.com>
5049
5050         PR 24049
5051         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5052         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5053         under pass_vectorize.
5054
5055 2005-10-05  Devang Patel  <dpatel@apple.com>
5056
5057         PR Debug/23205
5058         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5059         handling constants. Check NAMESPACE_DECL context for constants.
5060
5061 2005-10-05  Eric Christopher  <echristo@apple.com>
5062
5063         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5064
5065 2005-10-05  Richard Henderson  <rth@redhat.com>
5066
5067         PR 23714
5068         * tree-cfg.c (mark_array_ref_addressable_1): New.
5069         (mark_array_ref_addressable): New.
5070         * tree-flow.h (mark_array_ref_addressable): Declare.
5071         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5072
5073 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5074
5075         PR middle-end/20606
5076         PR middle-end/24069
5077         * reload.c (subst_reloads): When adding a REG_LABEL to a
5078         jump instruction, also update JUMP_LABEL.
5079
5080 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5081
5082         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5083         * bb-reorder.c (copy_bb_p): Use it.
5084         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5085
5086 2005-10-05  Richard Henderson  <rth@redhat.com>
5087
5088         PR target/23602
5089         * toplev.c (process_options): Warn about unsupported combinations
5090         of unwind tables and omit-frame-pointer.
5091         * config/i386/i386.c (override_options): Similarly.  Enable
5092         accumulate-outgoing-args if not explicitly disabled.
5093
5094 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5095
5096         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5097         Handle big endian vs. small endian.
5098         (vec_initv2sf): Handle big endian vs. small endian.
5099         (*vec_extractv2sf_1): Ditto.
5100
5101 2005-10-05  Dale Johannesen  <dalej@apple.com>
5102
5103         * convert.c (convert_to_real):  Don't convert
5104         (float)floor(double d) to floorf((float)d).
5105
5106 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5107
5108         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5109
5110 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5111
5112         PR tree-optimization/18587
5113         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5114         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5115         build_vuses): Change to VEC type.
5116         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5117         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5118         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5119         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5120         (get_name_decl): New.  Return DECL_UID of base variable.
5121         (operand_build_cmp): New.  qsort comparison routine.
5122         (operand_build_sort_virtual): New.  Sort virtual build vector.
5123         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5124         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5125         (FINALIZE_BASE): Use get_name_decl.
5126         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5127         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5128         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5129         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5130         direct VEC_* manipulations.
5131         (build_ssa_operands): Call operand_build_sort_virtual.
5132         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5133         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5134         with direct VEC_* manipulations.
5135         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5136         with direct VEC manipulations.
5137
5138 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5139
5140         PR tree-optimization/21419
5141         PR tree-optimization/24146
5142         PR tree-optimization/24151
5143
5144         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5145         (build_asm_expr): Call it if outputs are read-only.
5146         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5147
5148 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5149             Paolo Bonzini  <bonzini@gnu.org>
5150
5151         PR target/23809
5152
5153         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5154         enable the instructions and not just the built-ins.
5155         * doc/invoke.texi (x86 Options): Likewise.
5156
5157 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5158
5159         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5160
5161         * doc/invoke.texi (Option Summary): Correct spelling
5162         of -mmacosx-version-min.
5163
5164 2005-10-04  Devang Patel  <dpatel@apple.com>
5165
5166         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5167         real types.
5168
5169 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5170
5171         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5172         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5173
5174 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5175
5176         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5177         ("TE","tg"): New mode attributes.
5178         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5179         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5180         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5181         dword_mode and one for GPRmode.
5182
5183 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5184
5185         PR preprocessor/13726
5186         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5187         any comments passed in.
5188
5189 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5190
5191         * tree.c (annotate_with_file_line): Fix typo.
5192
5193 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5194
5195         PR ada/19382
5196         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5197         type used to access data in the inlined length == 1 case, use
5198         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5199         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5200
5201 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5202
5203         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5204         TARGET_SSE3 and only for TARGET_80387.
5205         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5206         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5207         Do not depend on TARGET_80387.
5208
5209 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5210
5211         * tree.c (last_annotated_node): Change type to location_t*.
5212         (annotate_with_file_line): Reflect the change of
5213         last_annotated_node type.
5214
5215 2005-10-04  Richard Guenther  <rguenther@suse.de>
5216
5217         PR c/23576
5218         * c-decl.c (grokdeclarator): Don't write to fields
5219         of error_mark_node.
5220
5221 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5222
5223         PR middle-end/23125
5224         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5225         register variables.
5226         * varasm.c (make_decl_rtl): If a register variable does not
5227         have a set user assmbler name, error out.
5228         Decode the asmspec is now name+1 bypassing '*'.
5229
5230 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5231
5232         PR tree-optimization/23049
5233         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5234         of a COND_EXPR is folded before calling fold on the whole rhs of a
5235         conditional assignment.
5236         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5237         document that a COND_EXPR may appear there.
5238
5239 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5240
5241         PR 23445
5242         * tree-vrp.c (extract_range_from_assert): If the new numeric
5243         range created out of the assertion contradicts the existing
5244         numeric range of the ASSERT_EXPR variable, make the new range
5245         varying.
5246
5247 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5248
5249         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5250         from T_REGS to FP register class.
5251
5252 2005-10-03  Richard Henderson  <rth@redhat.com>
5253
5254         PR 24135
5255         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5256         before creating a new one.
5257
5258 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5259
5260         * config/rs6000/t-aix43 (LDFLAGS): New.
5261         * config/rs6000/t-aix52 (LDFLAGS): New.
5262
5263 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5264
5265         * gimplify.c (find_single_pointer_decl_1): New static function.
5266         (find_single_pointer_decl): New static function.
5267         (internal_get_tmp_var): For a formal variable, set restrict base
5268         information if appropriate.
5269         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5270         return it.
5271         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5272         (DECL_GET_RESTRICT_BASE): Define.
5273         (SET_DECL_RESTRICT_BASE): Define.
5274         (decl_restrict_base_lookup): Declare.
5275         (decl_restrict_base_insert): Declare.
5276         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5277         * tree.c (restrict_base_for_decl): New static variable.
5278         (init_ttree): Initialize restrict_base_for_decl.
5279         (copy_node_stat): Copy restrict base information.
5280         (decl_restrict_base_lookup): New function.
5281         (decl_restrict_base_insert): New function.
5282         (print_restrict_base_statistics): New static function.
5283         (dump_tree_statistics): Call print_restrict_base_statistics.
5284
5285 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5286
5287         PR 24142
5288         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5289         case of anti-ranges.
5290
5291 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5292
5293         PR c/18851
5294         * c-typeck.c (tagged_tu_seen): Rename to ...
5295         (tagged_tu_seen_cache): this and add val field.
5296         (comptypes): Move functional to comptypes_internal
5297         and free tagged_tu_seen.
5298         (comptypes_internal): New function and call comptypes_internal
5299         instead of comptypes. Speed up by sibcalling
5300         tagged_types_tu_compatible_p.
5301         (alloc_tagged_tu_seen): New function
5302         (free_all_tagged_tu_seen_up_to): New function.
5303         (tagged_types_tu_compatible_p): Return the val of the seen two
5304         types.
5305         Add that the two types are the same to tagged_tu_seen_base
5306         if they are and call comptypes_internal instead of comptypes.
5307         <case UNION_TYPE>: Speed up common type where the fields are
5308         in the same order.
5309         (function_types_compatible_p): Call comptypes_internal instead of
5310         comptypes.
5311         (type_lists_compatible_p): Likewise.
5312         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5313
5314 2005-10-02  Matthias Klose  <doko@debian.org>
5315
5316         * doc/invoke.texi: Fix typo and speling error.
5317
5318 2005-10-01  Richard Henderson  <rth@redhat.com>
5319
5320         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5321
5322 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5323
5324         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5325         using --start-group and --end-group.
5326
5327 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5328
5329         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5330         FIXME note regarding quirky semantics.
5331
5332 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5333
5334         PR 24141
5335         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5336         non-null range as a last resort.
5337
5338 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5339             Diego Novillo  <dnovillo@redhat.com>
5340
5341         PR 23604
5342         * tree-vrp.c (extract_range_from_assert): For !=
5343         assertions, only build an anti-range if LIMIT is a
5344         single-valued range.
5345
5346 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5347
5348         * arm.md (movqi): On thumb when optimizing, handle loading from
5349         memory by describing this as taking a subreg of a zero-extended load
5350         into an SImode register.
5351         (movhi): Likewise.
5352
5353 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5354
5355         * reload1.c (merge_assigned_reloads): Do not change any
5356         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5357
5358 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5359
5360         * Makefile.in (LIPO_FOR_TARGET): Define.
5361         (STRIP_FOR_TARGET): Define.
5362
5363         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5364         before creating new ones.  Do symlinks before creating the actual
5365         targets.
5366
5367         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5368         to work out which multilibs are actually being built.
5369
5370 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5371
5372         * tree-vect-transform.c, config/ms1/ms1.md,
5373         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5374         Follow spelling conventions.
5375         * doc/invoke.texi, doc/md.texi: Fix typos.
5376
5377 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5378
5379         PR tree-optimization/21430
5380         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5381         use operands, and set stmt pointer if need be.
5382         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5383         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5384         present.
5385
5386 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5387
5388         PR middle-end/24053
5389         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5390
5391 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5392
5393         * optabs.c (expand_binop): Initialize first_pass_p.
5394
5395 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5396
5397         PR middle-end/24109
5398         * c-decl.c (c_write_global_declarations_1): If any
5399         wrapup_global_declaration_2 call returned true, restart the loop.
5400
5401 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5402
5403         Fix PR tree-optimization/24117
5404         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5405         before considering whether to use anyoffset.
5406
5407 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5408
5409         Revert this patch:
5410
5411         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5412
5413         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5414         to order operands.
5415         (swap_commutative_operands_with_target): New.
5416
5417 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5418
5419         PR c/21419
5420         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5421         read-only.
5422
5423 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5424
5425         PR tree-optimization/23911
5426         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5427         and IMAGPART_EXPR too.
5428
5429 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5430
5431         PR 17886
5432         * expmed.c (expand_shift): Move logic to reverse rotation
5433         direction when  rotating by constants ...
5434         * optabs.c (expand_binop): ... here.
5435         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5436         (ix86_rotrdi3): New pattern.
5437         (rotldi3): Handle 32-bit mode.
5438         (ix86_rotldi3): New pattern.
5439
5440 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5441
5442         PR target/24102
5443         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5444         check for numbers that need no bit twiddle.
5445
5446 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5447
5448         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5449         multilib to be built.
5450
5451         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5452         (stage1-start): Delete old libgcc and libunwind before moving
5453         anything into the stage directory.
5454         (stage2-start): Likewise.
5455         (stage3-start): Likewise.
5456         (stage4-start): Likewise.
5457         (stageprofile-start): Likewise.
5458         (stagefeedback-start): Likewise.
5459         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5460         header in tm_file and CPU-specific t-darwin in tmake_file.
5461         (i[34567]86-*-darwin*): Don't change tm_file.
5462         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5463         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5464         shared library stub for target OS version.
5465         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5466         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5467         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5468         (libgcc_s.%.dylib): New.
5469         (LIBGCC): Define.
5470         (install-darwin-libgcc-stubs): New.
5471         (INSTALL_LIBGCC): New append.
5472         * config/i386/darwin-libgcc.10.4.ver: New.
5473         * config/i386/darwin-libgcc.10.5.ver: New.
5474         * config/i386/t-darwin: New.
5475         * config/rs6000/darwin-libgcc.10.4.ver: New.
5476         * config/rs6000/darwin-libgcc.10.5.ver: New.
5477         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5478         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5479
5480 2005-09-28  Paul Brook  <paul@codesourcery.com>
5481
5482         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5483         denormals.
5484
5485 2005-09-28  Richard Guenther  <rguenther@suse.de>
5486
5487         PR tree-optimization/23853
5488         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5489         host_integerp to verify misalignment value.
5490
5491 2005-09-28  Richard Henderson  <rth@redhat.com>
5492
5493         * builtins.c (get_builtin_sync_mode): New.
5494         (expand_builtin_sync_operation): Pass in mode argument.
5495         (expand_builtin_compare_and_swap): Likewise.
5496         (expand_builtin_lock_test_and_set): Likewise.
5497         (expand_builtin_lock_release): Likewise.
5498         (expand_builtin): Update to match.
5499
5500 2005-09-28  Nick Clifton  <nickc@redhat.com>
5501
5502         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5503         formatting.  Add check to PLUS case to ensure that the offset is
5504         within an acceptable range.
5505
5506         * config/v850/v850.md (casesi): Disable the generation of the
5507         switch pattern as it is not being handled properly at the moment.
5508
5509         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5510         for when the high words are identical.
5511
5512 2005-09-27  Richard Henderson  <rth@redhat.com>
5513
5514         * pretty-print.c (pp_base_format): Fix typo for %>.
5515
5516 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5517             Devang Patel  <dpatel@apple.com>
5518
5519         PR tree-optimization/23625
5520         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5521         LABEL_EXPR, assertion check.
5522
5523 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5524
5525         * optabs.c (no_conflict_move_test): Check if a result of a
5526         to-be-moved insn would be clobbered by an originally
5527         preceding insn.
5528
5529 2005-09-27  Jeff Law  <law@redhat.com>
5530
5531         * passes.c (init_optimization_passes): Replace copy propagation
5532         passes immediately after DOM with phi-only copy propagation
5533         pases.  Add phi-only copy propagation pass after first DOM pass.
5534         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5535         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5536         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5537         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5538         to init_copy_prop.  Callers updated.
5539         (do_phi_only_copy_prop): New function.
5540         (pass_phi_only_copy_prop): New pass descriptor.
5541
5542 2005-09-27  Nick Clifton  <nickc@redhat.com>
5543
5544         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5545
5546 2005-09-26  Jason Merrill  <jason@redhat.com>
5547
5548         PR c++/13764
5549         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5550
5551         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5552
5553 2005-09-26  James E Wilson  <wilson@specifix.com>
5554
5555         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5556         copyright.  Add gcc copyright plus libgcc exception.
5557         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5558         copyright.
5559         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5560
5561 2005-09-26  Jeff Law  <law@redhat.com>
5562
5563         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5564         about when to iterate.
5565
5566 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5567
5568         PR target/23847
5569         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5570         for __complex__ double in -mcpu=G5 mode.
5571
5572 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5573
5574         PR tree-optimization/23942
5575         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5576         * tree-scalar-evolution.c: Include params.h.
5577         (t_bool): New enum.
5578         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5579         follow_ssa_edge_in_condition_phi_branch,
5580         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5581         Change return type to t_bool.  Use a parameter to limit the size of
5582         trees that are walked before stopping
5583         (analyze_evolution_in_loop): Initialize the limit to 0.
5584         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5585         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5586
5587 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5588
5589         PR middle-end/23831
5590         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5591         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5592
5593 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5594
5595         * combine.c (make_extraction): Check for valid use of subreg.
5596
5597 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5598
5599         PR target/24055
5600         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5601         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5602         ("fist<mode>2_with_temp"): Use only register operands.
5603
5604 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5605
5606         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5607         CALL_INSN_FUNCTION_USAGE.
5608
5609 2005-09-26  Richard Guenther  <rguenther@suse.de>
5610
5611         PR middle-end/15855
5612         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5613         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5614         (ldst_entry): Use the hashtable instead of list-walking.
5615         (find_rtx_in_ldst): Likewise.
5616         (free_ldst_entry): Free the hashtable.
5617         (compute_ld_motion_mems): Create the hashtable.
5618         (trim_ld_motion_mems): Remove entry from hashtable if
5619         removing it from list.
5620         (compute_store_table): Likewise^2.
5621         (store_motion): Free hashtable in case we did not see
5622         any stores.
5623
5624 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5625
5626         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5627         and arg1 if we are passing them to fold_build2.
5628
5629 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5630
5631         PR 23828
5632         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5633         a nested function.
5634
5635 2005-09-25  Richard Henderson  <rth@redhat.com>
5636
5637         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5638         SYMBOL_REF_TLS_MODEL to be correct.
5639
5640 2005-09-24  Richard Henderson  <rth@redhat.com>
5641
5642         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5643         end of function.  Reindent.
5644
5645 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5646
5647         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5648         NEGATE_EXPR/BIT_NOT_EXPR case.
5649
5650 2005-09-24  Richard Henderson  <rth@redhat.com>
5651
5652         * c-common.c (handle_mode_attribute): When not modifying in place,
5653         create subtypes for enumerations.
5654         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5655         * gimplify.c (create_tmp_from_val): Likewise.
5656
5657 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5658
5659         * config/i386/i386.md (*tls_global_dynamic_64,
5660         *tls_local_dynamic_base_64): Add missing mode to call.
5661         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5662
5663 2005-09-24  Jan Hubicka  <jh@suse.cz>
5664
5665         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5666         (cgraph_clone_node): Likewise.
5667         * cgraph.h (cgraph_clone_edge): Update prototype.
5668         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5669         duplicated prototypes; add updating argument.
5670         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5671         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5672         updating profile.
5673         (cgraph_mark_inline_edge): Likewise.
5674         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5675         (cgraph_flatten_node): Likewise.
5676         (cgraph_decide_recursive_inlining): Likewise.
5677         (cgraph_decide_inlining_of_small_function): Likewise.
5678         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5679
5680 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5681             Pete Steinmetz <steinmtz@us.ibm.com>
5682
5683         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5684         (rldic.): Set type to "compare".
5685         (rldicr.): Same.
5686         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5687         mfjmpr for MFCTR/MFLR.
5688         (movdf_hardfloat64): Same.
5689         (movdf_softfloat64): Same.  Correct order of store and move types.
5690         (movti_string): Set type to store_ux/load_ux.
5691         (load_multiple): Set type to load_ux.
5692         (store_multiple): Set type to store_ux.
5693         (movmemsi): Set type to store_ux.
5694         (output_cbranch direct_return): Set type to jmpreg.
5695         (stmw): Set type to store_ux.
5696         (lmw): Set type to load_ux.
5697         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5698         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5699         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5700         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5701         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5702         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5703         (rios1-fpstore): Increase latency to 3.
5704         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5705         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5706
5707 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5708             Andrew Pinski  <pinskia@physics.uc.edu>
5709
5710         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5711         operand2 constraint to "b".
5712         (sync_<fetchop_name>di_internal): Same.
5713         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5714         to "b".
5715         (sync_old_<fetchop_name>di_internal): Same.
5716         (sync_new_<fetchop_name>si_internal): Same.
5717         (sync_new_<fetchop_name>di_internal): Same.
5718
5719 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5720
5721         PR middle-end/23991
5722         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5723         case, define as macros.
5724
5725         PR rtl-optimization/23837
5726         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5727         clobber / clobber match between dest and p->first.
5728
5729         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5730         (no_conflict_move_test): Update comments.
5731
5732 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5733
5734         * doc/install.texi: Update URL for Jacks.
5735         * doc/sourcebuild.texi: Likewise.
5736
5737 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5738
5739         PR target/24007
5740         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5741         registers when choosing register preferences.
5742         (movdf_hardfloat64): Same.
5743
5744 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5745
5746         * expmed.c (expand_shift): Don't use the target of the rotate as
5747         target for the first expanded shift insn.
5748         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5749
5750 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5751
5752         PR tree-optimization/22438
5753         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5754         preserved iv rhs rewriting specially.
5755
5756 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5757
5758         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5759         estimate_only  is true.
5760         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5761         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5762         tree-ssa-structalias.c
5763         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5764         ref_contains_indirect_ref.
5765         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5766
5767 2005-09-21  DJ Delorie  <dj@redhat.com>
5768
5769         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5770         MASK_PTR_A0D0.
5771         (mn10300_return_in_memory): Support variable size types also.
5772         (mn10300_pass_by_reference): Likewise.
5773         (mn10300_function_value): New.
5774         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5775         (FUNCTION_OUTGOING_VALUE): Likewise.
5776         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5777         * doc/invoke.texi: Document it.
5778
5779 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5780
5781         PR target/22585
5782         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5783         force integer op1 into register for XFmode compares.
5784
5785 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5786
5787         PR middle-end/23971
5788         * expmed.c (alg_code): Add alg_impossible.
5789         (alg_hash_entry): Add cost.
5790         (synth_mult): Record alg_impossible in the hash table if
5791         multiplication by a given integer is impossble within the
5792         limit.  Speed up using alg_impossible.
5793
5794 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5795
5796         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5797         argument.  Allow and set any offset if needs_anyoffset is passed
5798         in.
5799         (get_constraint_for): Add argument here too.
5800         Pass it down.
5801         (do_structure_copy): Pass NULL to get_constraint_for.
5802         (handle_ptr_arith): Ditto.
5803         (find_func_aliases): Ditto.
5804
5805 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5806
5807         PR rtl-optimization/23898
5808         * output.h (get_attr_min_length): Declare.
5809         * final.c (get_attr_length_1): New function, broken out of:
5810         (get_attr_length).
5811         (get_attr_min_length): New function.
5812         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5813         (duplicate_computed_gotos): Likewise.
5814         * genattr.c (insn_min_length): Generate declaration.
5815         * genattrtab.c (min_fn, min_attr_value): New functions.
5816         (make_length_attrs): Generate insn_min_length.
5817
5818 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5819
5820         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5821
5822 2005-09-20  Richard Henderson  <rth@redhat.com>
5823
5824         PR tree-optimization/24059
5825         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5826         EXPAND_STACK_PARM.
5827
5828 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5829
5830         * c.opt (fextended-identifiers): New.
5831         * c-opts.c (c_common_handle_option): Handle
5832         -fextended-identifiers.
5833         * doc/cpp.texi: Update documentation of extended identifiers.
5834         * doc/cppopts.texi (-fextended-identifiers): Document.
5835
5836 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5837
5838         PR tree-optimization/23929
5839         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5840         if expr is NULL.
5841
5842         PR tree-optimization/23818
5843         * tree-stdarg.c (execute_optimize_stdarg): Call
5844         calculate_dominance_info.
5845
5846 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5847
5848         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5849         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5850         (compute_overlap_steps_for_affine_1_2): Use
5851         get_number_of_iters_for_loop.
5852         (analyze_subscript_affine_affine): Check whether difference is
5853         zero first.
5854         Use get_number_of_iters_for_loop.
5855         Check whether overlap occurs outside of bounds.
5856         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5857
5858 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5859
5860         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5861         base register if possible.
5862
5863 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5864
5865         PR tree-optimization/18463
5866         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5867         converting it directly is not possible.
5868         (chrec_convert_aggressive): New function.
5869         * tree-chrec.h (chrec_convert_aggressive): Declare.
5870         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5871         Fold chrec conversions aggressively if asked to.
5872         (instantiate_parameters): Modified because of changes in
5873         instantiate_parameters_1.
5874
5875 2005-09-19  Richard Henderson  <rth@redhat.com>
5876
5877         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5878         (reduc_splus_v2df): New.
5879
5880 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5881
5882         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5883         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5884
5885 2005-09-19  Richard Henderson  <rth@redhat.com>
5886
5887         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5888         vcondu<SSEMODE12>.
5889
5890 2005-09-19  Richard Henderson  <rth@redhat.com>
5891
5892         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5893         (ia64_expand_dot_prod_v8qi): New.
5894         * config/ia64/ia64-protos.h: Update.
5895         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5896         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5897         sdot_prodv8qi, sdot_prodv4hi): New.
5898         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5899
5900 2005-09-19  Richard Henderson  <rth@redhat.com>
5901
5902         PR 23941
5903         * real.c (exact_real_truncate): Return false if the format cannot
5904         represent the number as a normal.
5905
5906         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5907         for a memory source.
5908
5909 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5910
5911         * tree-ssa-operands.c (swap_tree_operands): Export.
5912         * tree.h (swap_tree_operands): Declare.
5913         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5914         Call swap_tree_operands.
5915
5916 2005-09-19  Richard Henderson  <rth@redhat.com>
5917
5918         * tree-flow.h (merge_alias_info): Declare.
5919         * tree-ssa-copy.c (merge_alias_info): Export.
5920         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5921         (vect_create_data_ref_ptr): Use create_iv directly.
5922         (vectorizable_load): Use correct types for integer constants.
5923         (vect_generate_tmps_on_preheader): Likewise.
5924         (vect_gen_niters_for_prolog_loop): Likewise.
5925
5926 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5927
5928         PR rtl-optimization/23943
5929         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5930
5931 2005-09-18  Jan Hubicka  <jh@suse.cz>
5932
5933         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5934
5935 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5936
5937         * varasm.c (output_constant): Do not abort on conversions to union
5938         types between different sizes.
5939
5940 2005-09-18  Richard Guenther  <rguenther@suse.de>
5941
5942         PR middle-end/23944
5943         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5944         fallback.
5945
5946 2005-09-18  Paul Brook  <paul@codesourcery.com>
5947
5948         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5949
5950 2005-09-17  Richard Henderson  <rth@redhat.com>
5951
5952         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5953         * tree-ssa-loop.c (pass_vect_dce): Remove.
5954         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5955         of pass_vectorize.
5956
5957 2005-09-17  Richard Henderson  <rth@redhat.com>
5958
5959         * tree-pass.h (pass_vect_dce): Declare.
5960         * passes.c (init_optimization_passes): Add it.
5961         * tree-flow.h (tree_ssa_dce): Declare.
5962         * tree-ssa-dce.c (tree_ssa_dce): Export.
5963         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5964         (gate_tree_vectorize): ... here.
5965         (pass_vect_dce): New.
5966
5967 2005-09-17  Jan Hubicka  <jh@suse.cz>
5968
5969         * except.c (struct eh_status): Turn region_array into vec.
5970         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5971         convert_from_eh_region_ranges, find_exception_handler_labels,
5972         current_function_has_exception_handlers, assign_filter_values,
5973         build_post_landing_pads, dw2_build_landing_pads,
5974         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5975         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5976         foreach_reachable_handler, can_throw_internal_1,
5977         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5978         region_array.
5979         (duplicate_eh_region_1): Update region_array.
5980         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5981
5982 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5983
5984         PR middle-end/22067
5985         * expmed.c (expand_mult): Substitute simple register for op0 when
5986         computing max_cost.
5987
5988 2005-09-17  Richard Henderson  <rth@redhat.com>
5989
5990         * expr.c (emit_move_via_integer): Add force argument, pass it on
5991         to emit_move_change_mode.  Update callers.
5992         (emit_move_complex): Pass true to new force argument.
5993         * function.c (expand_function_end): Move expand_eh_return call
5994         earlier.  Merge sub-word complex values into a pseudo before
5995         copying to the return hard register.
5996
5997 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5998
5999         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6000         between different sizes.
6001
6002 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6003
6004         PR 23903
6005
6006         * passes.c (init_optimization_passes): Register dump files for
6007         IPA passes first.
6008
6009 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6010
6011         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6012         * config/s390/s390.c (s390_overlap_p): New function.
6013         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6014         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6015         condition.
6016
6017 2005-09-16  Richard Guenther  <rguenther@suse.de>
6018
6019         * ipa-pure-const.c (static_execute): Free auxiliar information.
6020         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6021         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6022
6023 2005-09-15  DJ Delorie  <dj@redhat.com>
6024
6025         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6026
6027 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6028
6029         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6030         to order operands.
6031         (swap_commutative_operands_with_target): New.
6032
6033 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6034
6035         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6036         parameter.
6037         Update callers.
6038         (estimate_iters_using_array): New function.
6039         * tree-data-ref.h (estimate_iters_using_array): Prototype
6040         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6041         Use estimate_iters_using_array instead of analyze_array.
6042
6043 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6044
6045         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6046         as addressable.
6047
6048 2005-09-15  Michael Matz  <matz@suse.de>
6049
6050         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6051
6052 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6053
6054         PR tree-optimization/23835
6055         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6056         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6057
6058 2005-09-14  Richard Henderson  <rth@redhat.com>
6059
6060         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6061         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6062
6063 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6064
6065         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6066         in the ARRAY_TYPE case.
6067
6068 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6069
6070         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6071
6072 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6073
6074         PR middle-end/22480
6075         * tree-vect-transform.c (vectorizable_operation): Return false for
6076         scalar shift operations and for vector shift operations with
6077         non-invariant shift arguments.  Use scalar tree operand op1 as
6078         a shift operand when vector shift insn pattern uses scalar shift
6079         operand.
6080         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6081
6082 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6083
6084         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6085         value if it has side-effects.
6086
6087 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6088
6089         PR target/22068
6090         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6091
6092 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6093
6094         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6095         passed as NAME as if it were label at start of function code.
6096
6097 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6098
6099         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6100         the constraints.
6101
6102 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6103
6104         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6105         as early clobber.  Rewrite so the PIC register is not implicitly used.
6106
6107 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6108
6109         * tree.c (annotate_with_file_line): Compare line numbers before
6110         file names.
6111
6112 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6113
6114         PR target/23816
6115         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6116         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6117
6118 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6119
6120         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6121         than a HOST_WIDEST_INT to gen_doloop_begin.
6122
6123 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6124
6125         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6126
6127 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6128
6129         PR tree-optimize/23817
6130         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6131
6132 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6133
6134         PR target/23774
6135         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6136         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6137         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6138         (restore_stack_nonlocal): Likewise.
6139         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6140
6141 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6142
6143         PR g++/7874
6144         * c.opt (ffriend-injection): New C++ option.
6145         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6146         (C++ Dialect Options): Document -ffriend-injection.
6147
6148 2005-09-12  Josh Conner  <jconner@apple.com>
6149
6150         PR middle-end/23237
6151         * ipa-reference.c (static_execute): Don't mark variables in
6152         named sections TREE_READONLY.
6153
6154 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6155
6156         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6157         stack_tie.
6158
6159 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6160
6161         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6162         V_MUST_DEF instead of just the first_use_p.
6163         Don't mark the virtual variables for renaming on the statement which
6164         is being removed.
6165         (pass_dse): Remove TODO_update_ssa.
6166
6167 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6168
6169         PR middle-end/23290
6170         * stor-layout.c (compute_record_mode): For records with a single
6171         field, actually check the field's mode size against the type size.
6172
6173         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6174         registers for TARGET_SHMEDIA.
6175         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6176         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6177         of GENERAL_REGS and FP_REGS.
6178
6179 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6180
6181         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6182
6183 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6184
6185         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6186         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6187         are omitted.  Exclude stack_tie insn too.
6188
6189 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6190
6191         PR rtl-optimization/23098
6192         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6193         0.0f is easy.
6194         * config/rs6000/rs6000.md (movdf splitter): Use
6195         const_double_operand predicate for TARGET_POWERPC64.
6196         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6197         SYMBOL_REF method to ABI_V4.
6198
6199         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6200         replace_equiv_address.
6201         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6202         rs6000_sr_alias_set and MEM_NOTRAP.
6203         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6204
6205 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6206
6207         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6208         handle CALL_EXPR again.
6209
6210 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6211
6212         * arm/predicates.md (alignable_memory_operand): Delete.
6213
6214 2005-09-10  Richard Henderson  <rth@redhat.com>
6215
6216         PR debug/23806
6217         * dbxout.c (dbxout_expand_expr): New.
6218         (dbxout_symbol): Use it.
6219
6220 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6221
6222         * arm.c (arm_gen_rotated_half_load): Delete.
6223         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6224         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6225         (thumb_set_return_address): Likewise.
6226         (thumb_load_double_from_address): Use adjust_address.
6227         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6228         (extendhsisi2_mem, movhi_bytes): Use change_address.
6229         (movhi): Use widen_memory_access.
6230         (reload_out_df): Use replace_equiv_address.
6231         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6232
6233 2005-09-09  Richard Henderson  <rth@redhat.com>
6234
6235         PR debug/20998
6236         * dbxout.c: Include expr.h.
6237         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6238         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6239         * Makefile.in (dbxout.o): Add EXPR_H.
6240
6241 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6242
6243         PR tree-optimization/23509
6244         * tree-cfg.c (replace_uses_by): Use replace_exp.
6245         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6246         pointers have name_mem_tag or type_mem_tag set.
6247
6248 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6249
6250         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6251         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6252         of wrongly accessing operands.
6253
6254 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6255
6256         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6257         * tree-chrec.c: Include tree-scalar-evolution.h.
6258         (chrec_convert): Instantiate the base and step before calling
6259         scev_probably_wraps_p that would fail on parametric evolutions.
6260         Collect all the fails into a single section failed_to_convert,
6261         print a diagnostic, and return chrec_dont_know instead of calling
6262         fold_convert.
6263         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6264         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6265         phi nodes.
6266         (scev_const_prop): Don't replace the definition of a loop closed ssa
6267         phi node by itself, or by another loop closed ssa phi node.
6268         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6269         that base and step are defined.
6270
6271 2005-09-09  Richard Guenther  <rguenther@suse.de>
6272
6273         PR c++/23624
6274         * fold-const.c (fold_ternary): Check truth_value_p before
6275         calling invert_truthvalue.
6276
6277 2005-09-09  Nick Clifton  <nickc@redhat.com>
6278
6279         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6280         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6281         dimension of these arrays.
6282         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6283         these arrays.
6284         * longlong.h: Only provide a prototype for the __clz_tab[] array
6285         if this header has not been included from libgcc2.h.
6286         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6287         defining own types.
6288         Provide prototypes for exported functions.
6289         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6290         libgcc2.c.
6291
6292 2005-09-08  Josh Conner  <jconner@apple.com>
6293
6294         PR c++/21135
6295         PR c++/23180
6296         * expr.c (expand_expr_addr_expr_1): Don't invoke
6297         expand_simple_binop for EXPAND_INITIALIZER.
6298
6299 2005-09-08  Richard Henderson  <rth@redhat.com>
6300
6301         PR debug/23190
6302         * toplev.c (wrapup_global_declaration_1): Split out ...
6303         (wrapup_global_declaration_2): ... from ...
6304         (wrapup_global_declarations): ... here.  Return bool.
6305         (check_global_declaration_1): Split out ...
6306         (check_global_declarations): from here.
6307         (emit_debug_global_declarations): New.
6308         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6309         check_global_declaration_1, emit_debug_global_declarations): Declare.
6310         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6311         of decls.  Call wrapup_global_declaration_1,
6312         wrapup_global_declaration_2, check_global_declaration_1 directly.
6313         (c_write_global_declarations_2): New.
6314         (ext_block): New.
6315         (c_write_global_declarations): Call c_write_global_declarations_2.
6316         * langhooks.c (write_global_declarations): Call
6317         emit_debug_global_declarations.
6318
6319         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6320         remove decls that have DECL_RTL_SET_P.
6321         * passes.c (rest_of_decl_compilation): Invoke
6322         cgraph_varpool_finalize_decl for all but functions.
6323
6324 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6325
6326         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6327         the result of a conversion if the new min and max cannot be compared.
6328
6329 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6330
6331         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6332         (override_options): Setting s390_sr_alias_set removed.
6333         (save_fpr, save_gprs): Set alias set to vararg or frame.
6334         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6335         s390_sr_alias_set with get_frame_alias_set ().
6336         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6337         get_varargs_alias_set ().
6338
6339 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6340
6341         PR objc/20574
6342         PR objc/19324
6343         * c-parser.c (c_parser_objc_method_definition): If the next
6344         token is not "{", error out and don't start the function.
6345
6346 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6347
6348         * tree-vrp.c (extract_range_from_expr): Move the check for non
6349         nullness after the check for gimple invariant.
6350
6351 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6352
6353         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6354
6355 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6356
6357         PR target/23747
6358         * config/m32r.md (movmemsi_internal): Canonicalize order of
6359         operands in PLUS component of template.
6360
6361 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6362
6363         * reload1.c (fixup_eh_region_note): Remove assertion.
6364         (fixup_abnormal_edges): Reverted removal of call to
6365         find_many_sub_basic_blocks made on 2005-08-31.
6366
6367 2005-09-07  Richard Henderson  <rth@redhat.com>
6368
6369         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6370         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6371         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6372         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6373         rearrange for better packing.
6374         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6375         (lookup_cfa_1): Remove inline marker.
6376         (cfa_equal_p): Split out of ...
6377         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6378         (build_cfa_loc): Handle !cfa->indirect.
6379         (frame_pointer_cfa_offset): New.
6380         (dbx_reg_number): Assert register elimination performed; do
6381         leaf register remapping.
6382         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6383         (eliminate_reg_to_offset): New.
6384         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6385         for verifiably local stack frame addresses; re-base to CFA.
6386         (mem_loc_descriptor): Remove can_use_fbreg argument.
6387         (concat_loc_descriptor, loc_descriptor): Likewise.
6388         (containing_function_has_frame_base): Remove.
6389         (rtl_for_decl_location): Don't do register elimination or
6390         leaf register remapping here.
6391         (secname_for_decl): Split out from ..
6392         (add_location_or_const_value_attribute): ... here.
6393         (convert_cfa_to_loc_list): New.
6394         (compute_frame_pointer_to_cfa_displacement): New.
6395         (gen_subprogram_die): Use them.
6396         * tree.h (frame_base_decl): Remove.
6397         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6398         (prologue_stack_adjust): Remove.
6399         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6400         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6401         (set_frame_base_location): Remove.
6402         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6403         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6404         (vt_add_function_parameters): Don't eliminate_regs.
6405         (vt_initialize): Don't create frame_base_decl.
6406
6407 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6408
6409         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6410         version of GNU binutils for 4.x and later.
6411
6412 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6413
6414         * ggc-page.c (ggc_push_context): Remove.
6415         (ggc_pop_context): Likewise.
6416         * ggc.h (ggc_push_context): Remove.
6417         (ggc_pop_context): Likewise.
6418
6419 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6420
6421         PR target/8973
6422         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6423         returning from an interrupt handler.
6424
6425 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6426
6427         PR target/8972
6428         * config/arc/arc.c (output_shift): Add check for loop count when
6429         optimizing.
6430
6431 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6432
6433         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6434         form manually.
6435         (abs_replacement): Likewise.
6436         (pass_phiopt): Remove TODO_update_ssa.
6437
6438 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6439
6440         PR c/23075
6441         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6442         if "return with no value, in function returning non-void" warning
6443         has been issued.
6444         * tree-cfg.c (execute_warn_function_return): Don't look at
6445         RETURN_EXPRs with TREE_NO_WARNING set.
6446
6447         PR target/22362
6448         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6449         for internal functions doesn't use registers used by global registers
6450         variables.  Use fewer register parameters if there are global register
6451         variables.
6452
6453 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6454             Eric Botcazou  <ebotcazou@adacore.com>
6455
6456         PR middle-end/14997
6457         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6458         when we would be extracting outside its bit span (bitpos+bitsize
6459         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6460         Ada unchecked conversions.
6461
6462 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6463
6464         * tree-ssa-pre.c (try_look_through_load): New function.
6465         (compute_avail): Use it to try to look through loads for some
6466         more useful expressions.
6467
6468 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6469
6470         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6471         condition for detecting cases like (a&a) and (a^a).
6472
6473 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6474
6475         * common.opt: Add option ftree-vect-loop-version.
6476         * params.def: Add --param vect-max-version-checks.
6477         * doc/invoke.texi: Document ftree-vect-loop-version and
6478         --param vect-max-version-checks.
6479         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6480         may_misalign_stmts and defines for accessors.
6481         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6482         LOOP_VINFO_MAY_MISALIGN_STMTS.
6483         (destroy_loop_vec_info): VEC_free for
6484         LOOP_VINFO_MAY_MISALIGN_STMTS.
6485         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6486         Update documentation.
6487         (vect_update_misalignment_for_peel): New.
6488         (vect_enhance_data_refs_alignment): Update to choose loop
6489         peeling or loop versioning if appropriate for the (potentially)
6490         unaligned data references in the loop.
6491         (vect_analyze_data_refs_alignment): Remove call to
6492         vect_enhance_data_refs_alignment so the checks can be done
6493         earlier.
6494         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6495         and move up call to vect_analyze_data_refs_alignment.
6496         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6497         (vect_transform_loop): Add call to loop_version.
6498
6499 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6500
6501         PR rtl-optimization/23098
6502         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6503         * simplify-rtx.c (constant_pool_reference_p): New function.
6504         * rtl.h (constant_pool_reference_p): New prototype.
6505         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6506         constant_pool_reference_p in condition and
6507         avoid_constant_pool_reference in preparation statements.
6508
6509 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6510
6511         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6512         STRICT_LOW_PART SETs.
6513
6514 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6515
6516         PR middle-end/21460
6517         * except.c (sjlj_emit_function_enter): Find the function begin
6518         note even when it's not in first basic block.
6519
6520 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6521
6522         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6523         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6524         * aclocal.m4: Regenerate.
6525
6526 2005-09-05  DJ Delorie  <dj@redhat.com>
6527
6528         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6529         of macro.
6530
6531 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6532
6533         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6534         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6535         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6536         Follow spelling conventions.
6537         * doc/invoke.texi: Follow spelling conventions.
6538
6539 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6540
6541         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6542         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6543         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6544
6545 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6546
6547         PR target/23683
6548         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6549         (output_stack_adjust): Use gen_tmp_stack_mem.
6550         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6551         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6552         (sh_get_pr_initial_val): Likewise.
6553         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6554         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6555         * sh.md (divsi_inv_m0): Use gen_const_mem.
6556         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6557         (movdf_i4+1): Use gen_tmp_stack_mem.
6558         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6559         (fpu_switch+2): Likewise.
6560         (movv4sf_i, movv16sf_i): Use adjust_address.
6561         (symGOT_load): Set MEM_NOTRAP_P bit.
6562
6563 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6564
6565         PR target/23721
6566         * pa.c (emit_move_sequence): Fix typo in last change.
6567
6568 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6569
6570         PR rtl-optimization/23454
6571         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6572         is true.
6573
6574 2005-09-03  Richard Henderson  <rth@redhat.com>
6575             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6576
6577         PR middle-end/23671
6578         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6579         gen_rtx_MEM.
6580
6581 2005-09-02  Nicolas Pitre <nico@cam.org>
6582
6583         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6584         to bit_count to 32 bits.
6585
6586 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6587
6588         PR c++/23167
6589         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6590         generating synthetic loads from volatile lvalues.
6591
6592 005-09-02  Nick Clifton  <nickc@redhat.com>
6593
6594         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6595         __ctzhi2, __clzhi2): New functions.
6596
6597 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6598
6599         PR middle-end/23547
6600         * tree-nested.c (struct var_map_elt): Mark with GTY.
6601         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6602         var_map_elt.
6603         (lookup_field_for_decl): Allocate new element in GC memory.
6604         (lookup_tramp_for_decl): Likewise.
6605         (convert_nl_goto_reference): Likewise
6606         (create_nesting_tree): Allocate info in GC memory. Likewise for
6607         info->var_map.
6608         (free_nesting_tree): Free with ggc_free instead of free.
6609         (root): New static variable.
6610         (lower_nested_functions): Remove root as local variable.  And zero out
6611         root at the end of the function.
6612
6613 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6614
6615         PR rtl-optimization/20365
6616         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6617         to short.  New member ix.
6618         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6619         (simplify_plus_minus): Initialize ix members before calling qsort.
6620
6621 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6622
6623         PR tree-optimization/23626
6624         * tree-cfg.c (replace_uses_by): Clean up eh info.
6625
6626 2005-09-01  DJ Delorie  <dj@redhat.com>
6627
6628         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6629         fprintf.
6630
6631 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6632
6633         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6634         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6635         gen_rtx_MEM.
6636
6637 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6638
6639         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6640         do not issue warning for a variable definition following
6641         a declaration.
6642
6643 2005-09-01  Richard Henderson  <rth@redhat.com>
6644
6645         PR 23668
6646         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6647         conversion to CONST_VECTOR.
6648
6649 2005-09-01  Richard Henderson  <rth@redhat.com>
6650
6651         PR 23676
6652         * reload1.c (reload_as_needed): Check !CALL_P before calling
6653         fixup_eh_region_note.
6654         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6655
6656 2005-09-01  DJ Delorie  <dj@redhat.com>
6657
6658         * varasm.c (output_constant): Let the target resolve
6659         conversions of addresses to non-default pointer sizes.
6660
6661 2005-09-01  Nicolas Pitre <nico@cam.org>
6662
6663         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6664         to alow matching ARM pre-indexed addressing mode.
6665         (arm_override_options): Remove now irrelevant comment.
6666
6667 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6668
6669         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6670         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6671         * config/i386/vxworks.h:  Likewise.
6672         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6673         * config/i386/vxworksae.h:  Likewise.
6674
6675 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6676
6677         PR tree-optimization/23410
6678         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6679         sequence is not wrapping during the first step.
6680
6681 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6682
6683         PR debug/7241
6684         * dwarf2out.c (base_type_die): Compare char_type_node with
6685         TYPE_MAIN_VARIANT (type), not type.
6686
6687 2005-09-01  Richard Guenther  <rguenther@suse.de>
6688
6689         PR tree-optimization/15366
6690         * common.opt: Add -finline-functions-called-once.
6691         Put -fearly-inlining in alphabetically ordered place.
6692         * doc/invoke.texi: Document new option.
6693         * ipa-inline.c (cgraph_decide_inlining): Honour
6694         flag_inline_functions_called_once.
6695
6696 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6697
6698         PR rtl-optimization/23478
6699         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6700         (alloc_qty): Initialize it.
6701         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6702         (combine_regs): Combine also n_throwing_calls_crossed fields.
6703         (find_free_reg): Don't attempt to caller-save pseudos crossing
6704         calls that might throw.
6705         * global.c (struct allocno): Add throwing_calls_crossed field.
6706         (global_alloc): Revert 2005-08-22 change.  Initialize
6707         throwing_calls_crossed.
6708         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6709         might throw.
6710
6711 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6712
6713         PR target/23649
6714         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6715         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6716         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6717         (and64_2_operand): Tweak to use predicate.
6718         (and_operand): Adjust for mask_operand changes.
6719         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6720         (print_operand): Likewise.
6721         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6722         (mask64_1or2_operand): Delete.
6723         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6724         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6725         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6726         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6727         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6728         (rotldi3_internal4): Likewise.
6729         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6730         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6731         (ashldi3_internal7): Likewise.
6732         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6733         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6734         (anddi3 split): Don't match mask64_operand.
6735         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6736         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6737         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6738         't' splitter predicate.
6739         (movdi_internal64 + 2): Revert 2005-06-11 change.
6740
6741 2005-08-31  DJ Delorie  <dj@redhat.com>
6742
6743         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6744         (m32c_asm_integer): Add support for 32 bit pointers.
6745
6746 2005-08-31  Richard Henderson  <rth@redhat.com>
6747
6748         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6749         component-like references for setting MEM_NOTRAP_P.
6750
6751         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6752         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6753
6754 2005-08-31  Richard Henderson  <rth@redhat.com>
6755
6756         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6757         into a pseudo before applying gen_lowpart.
6758
6759 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6760
6761         * doc/install.texi (Specific): Update cctools version required
6762         for full functionality.
6763         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6764         linkers as -macosx_version_min.
6765
6766 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6767
6768         PR target/21255
6769         * sh.c (print_operand, %R and %S): Add handling of floating point
6770         registers, memory, constants and invalid operands.
6771
6772 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6773
6774         * ipa-pure-const.c: Change dump name.
6775
6776 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6777
6778         PR target/23570
6779         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6780         to "reg_or_0_operand".
6781         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6782
6783 2005-08-31  Dale Johannesen  <dalej@apple.com>
6784
6785         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6786         loops that count down.
6787
6788 2005-08-31  Richard Henderson  <rth@redhat.com>
6789
6790         PR rtl-opt/23601
6791         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6792         (fixup_eh_region_note): New.
6793         (reload_as_needed): Call it.
6794         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6795         don't call find_many_sub_basic_blocks; call verify_flow_info.
6796         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6797         (keep_stack_depressed): Likewise.
6798         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6799
6800 2005-08-31  Richard Henderson  <rth@redhat.com>
6801
6802         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6803         fp return matching.
6804
6805 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6806
6807         * expr.c (expand_expr_real_1): Compare size of address
6808         mode to target's address mode size in deciding expansion of
6809         the constant address.
6810
6811 2005-08-31  Richard Guenther  <rguenther@suse.de>
6812
6813         PR middle-end/23477
6814         * expr.c (all_zeros_p): New function.
6815         (expand_expr_real_1): Handle the case of an all-zero
6816         non-addressable constructor separately.
6817
6818 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6819
6820         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6821         arguments, adjust all callers.
6822         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6823
6824 2005-08-30  Richard Henderson  <rth@redhat.com>
6825
6826         PR target/23630
6827         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6828         whenever the mode sizes match.
6829
6830 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6831
6832         * calls.c (load_register_parameters): Fix comment typo.
6833         * expr.c (emit_push_insn): Comment formatting.
6834
6835 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6836
6837         * config/i386/x-cygwin (host-cygwin): Change dependency from
6838         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6839
6840 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6841
6842         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6843         parts of 'vals'.
6844
6845 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6846
6847         PR middle-end/23408
6848         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6849         call to ggc_collect.
6850
6851 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6852
6853         PR bootstrap/21268
6854         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6855         beginning.  Remove $(INCLUDES) from all the rules, if following
6856         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6857
6858 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6859
6860         PR middle-end/23484
6861         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6862         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6863         not constant, but maxlen is, don't set len to maxlen, rather
6864         set maxlen to len if len is a constant.
6865
6866 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6867
6868         PR tree-optimization/23475
6869         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6870         and counts.
6871
6872 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6873
6874         Fix PR middle-end/22455
6875
6876         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6877         Checksum only the parts of the tree that exist for the tree code.
6878
6879 2005-08-28  Dale Johannesen  <dalej@apple.com>
6880
6881         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6882
6883 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6884
6885         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6886
6887 2005-08-28  Richard Henderson  <rth@redhat.com>
6888
6889         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6890         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6891         of char_type_node.
6892
6893 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6894
6895         PR ada/23593
6896         * builtins.c (get_memory_rtx): Don't strip nops
6897         in between COMPONENT_REFs.
6898
6899 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6900
6901         PR middle-end/23463
6902         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6903         types.
6904         (gimplify_modify_expr): Check for zero sized types and gimplify the
6905         rhs and lhs as statements.
6906
6907 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6908
6909         PR libgcj/23508
6910         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6911         state for return address column of signal frames.
6912
6913 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6914
6915         PR target/23539
6916         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6917         bytes >= 2 not bytes == 2.
6918         (expand_block_move): Same.
6919
6920 2005-08-27  Richard Guenther  <rguenther@suse.de>
6921
6922         PR target/23575
6923         * config/i386/sse.md (sse2_movsd): Add missing closing
6924         braces.
6925
6926 2005-08-27  Paul Brook  <paul@codesourcery.com>
6927
6928         * genrecog.c (enum decision_type): Add DT_num_insns.
6929         (struct decision_test): Add u.num_insns.
6930         (add_to_sequence): Add DT_num_insns test.
6931         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6932         (write_cond, debug_decision_2): Ditto.
6933         (change_state): Assume peep2_next_insn never fails.
6934         Remove "afterward" argument.
6935         (write afterward, write_tree): Update to match.
6936         * recog.c (peep2_current_count): New variable.
6937         (peep2_next_insn): Check it.
6938         (peephole2_optimize): Set peep2_current_count.
6939         * recog.h (peep2_current_count): Declare.
6940
6941 2005-08-26  Josh Conner  <jconner@apple.com>
6942
6943         PR middle-end/23584
6944         * ipa-pure-const.c (check_tree): Check for volatile-ness
6945         when considering a dereference.
6946
6947 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6948
6949         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6950
6951 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6952
6953         PR rtl-optimization/23561
6954         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6955         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6956         at most LEN bytes long memory fits into the field.
6957         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6958         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6959         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6960
6961 2005-08-26  Richard Henderson  <rth@redhat.com>
6962
6963         PR rtl-opt/23560
6964         * loop.c (biased_biv_may_wrap_p): New.
6965         (maybe_eliminate_biv_1): Use it to suppress non-equality
6966         comparison transformations.  Delete disabled code.
6967
6968 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6969
6970         * combine.c (make_extraction): Avoid reference outside object.
6971
6972 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6973
6974         * stor-layout.c (finalize_type_size): Restore behaviour for
6975         non-aggregate types to the status quo ante of the patch for
6976         pr 23467.  Document why it matters.
6977
6978 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6979
6980         PR c/23506
6981         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6982         array by one element, initialize the BT_LAST element with NULL.
6983
6984 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6985
6986         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6987         optimizing for size.
6988         (plus_eqsi): Same.
6989         (compare_plus_eqsi): Same.
6990         (plus_eqsi_compare): Same.
6991         (neg_eq0<mode>): Same.
6992         (neg_eq<mode>): Same.
6993
6994         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6995         PROCESSOR_POWER4.
6996
6997 2005-08-26  Nick Clifton  <nickc@redhat.com>
6998
6999         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7000         TARGET_EP is not defined.
7001         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7002         TARGET_EP is enabled.
7003         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7004         * config/v850/v850.md (save_all_interrupt): Only use the EP
7005         register if TARGET_EP is defined.
7006         (restore_all_interrupt): Likewise.
7007         * config/v850/lib1funcs.asm: Update functions so that the EP
7008         register is only used if __EP__ is defined.
7009
7010 2005-08-26  David Ung  <davidu@mips.com>
7011
7012         * config/mips/mips.c (mips_expand_prologue): Handle case when
7013         generating for MIPS16 and the outgoing argument area is more than
7014         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7015         add instruction.
7016
7017 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7018
7019         * config/crx/crx.md: Make doloop_end pattern usage controllable
7020         via mloop-nesting=<max-nesting> command line switch. Make sure
7021         the combiner cannot use doloop_end_<mode> in an illegal way.
7022         * config/crx/crx.c: Use regs up to r6 for argument passing.
7023         Refine crx_address_cost (non cst4 displacements are expensive).
7024         * config/crx/crx.opt: Add switch for mloop-nesting=.
7025
7026 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7027
7028         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7029         (UNSPEC_MVST): New constant.
7030
7031 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7032
7033         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7034         Reject operands containing eliminable registers.
7035         * testsuite/gcc.dg/20050825-1.c: New testcase.
7036
7037 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7038             Jan Hubicka  <jh@suse.cz>
7039
7040         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7041
7042 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7043
7044         PR tree-optimization/23546
7045         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7046         and REAL_CST nodes.
7047
7048 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7049
7050         * params.def (PARAM_MIN_SPEC_PROB): New.
7051         * sched-rgn.c (MIN_PROBABILITY): Delete.
7052         (compute_trg_info): Convert to PARAM_VALUE.
7053         * doc/invoke.texi (param): Document min-spec-prob.
7054
7055 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7056
7057         * config/darwin.h: define __PIC__
7058         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7059         TARGET_OS_CPP_BUILTINS macro.
7060
7061 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7062
7063         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7064         yesterday.
7065
7066 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7067
7068         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7069         to duplicate_block.
7070         * cfghooks.c (duplicate_block): Added position where to place
7071         new block as argument.
7072         * cfghooks.h (duplicate_block): Declaration changed.
7073         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7074         duplicate_block.
7075         * cfglayout.h (copy_bbs): Declaration changed.
7076         * cfgloop.h (loop_version): Declaration changed.
7077         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7078         position to copy_bbs.
7079         (loop_version): Pass position to duplicate_loop_to_header_edge.
7080         Add place_after argument and position new blocks according to
7081         it.
7082         * modulo-sched.c (sms_schedule): Pass place_after argument
7083         to loop_version.
7084         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7085         * tree-cfg.c (split_edge_bb_loc): New function.
7086         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7087         to determine position of new blocks.
7088         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7089         to loop_version.
7090         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7091         argument to duplicate_block.
7092         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7093         Pass position to copy_bbs.
7094
7095 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7096
7097         * fold-const.c (ptr_difference_const): Use
7098         cst_and_fits_in_hwi instead of host_integerp.
7099
7100 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7101
7102         * config/darwin.c (gen_pic_offset): New.
7103         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7104         Use it.
7105
7106 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7107
7108         PR tree-optimization/23486
7109         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7110
7111 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7112
7113         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7114         remove use_collect2.
7115         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7116
7117         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7118         configuration files to override the default value.
7119
7120         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7121         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7122         * config/vx-common.h:  New file, split out from...
7123         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7124         * config/vxworksae.h:  New file, for VxWorks AE.
7125         * config/vxworks.opt:  New file.
7126         * config/vxlib.c:  Update for VxWorks 6.
7127
7128         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7129         other MULTILIB_* variables appropriately.
7130         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7131         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7132         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7133         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7134
7135 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7136
7137         PR target/20799
7138         * config/darwin.c (machopic_select_section): Remove the hack to
7139         mark "::operator new" and "::operator delete" for coalescing
7140         even though they are not weak.
7141
7142 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7143
7144         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7145         * configure: Regenerate.
7146
7147 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7148
7149         PR middle-end/23517
7150         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7151         between vectors.
7152         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7153         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7154         Likewise.
7155
7156 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7157
7158         * config/rs6000/predicates.md (equality_operator): New.
7159         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7160         comparison with a large constant.
7161
7162 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7163
7164         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7165
7166 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7167
7168         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7169         registers is even, and we have a hardware double precision fp,
7170         align the buffer.
7171         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7172         size of current argument when checking if argument was passed in
7173         registers.
7174
7175         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7176
7177         PR middle-end/23467
7178         * stor-layout.c (finalize_type_size): Dont override
7179         existing alignment with a smaller alignment from the mode.
7180
7181 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7182
7183         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7184         * lambda.h (lambda_vector_lexico_pos): ... here.
7185         * tree-data-ref.c (build_classic_dist_vector): Return false when
7186         the distance vector is lexicographically negative.
7187
7188 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7189
7190         PR tree-optimization/23511
7191         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7192         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7193
7194 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7195
7196         PR tree-optimization/22043
7197         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7198         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7199         If ALLOW_FLEXARR, handle types ending with flexible array member.
7200         Pass false as second argument to recursive count_type_elements calls.
7201         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7202         argument to count_type_elements call.
7203         * tree-sra.c (decide_block_copy): Likewise.
7204         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7205         for a constant-sized object, set cleared as well.  Pass true as
7206         second argument to count_type_elements call.
7207
7208 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7209
7210         PR target/21571
7211         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7212         from legitimate_small_data_p, and make global.  Update use.
7213         Remove forward declaration.
7214         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7215         Declare.
7216         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7217
7218 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7219
7220         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7221         of scratch intermediates.
7222         (eq<mode>_compare): Same.
7223         (neg_eq0<mode>): New.
7224         (neg_eq<mode>): Convert to define_insn_and_split.
7225
7226 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7227
7228         PR target/23070
7229         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7230         stdarg functions, set/clear the fp marker even when no variable
7231         args are passed.
7232         * config/rs6000/sysv4.opt (mprototype): Describe.
7233
7234 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7235
7236         PR rtl-optimization/23478
7237         * regs.h (reg_info): Add throw_calls_crossed.
7238         (REG_N_THROWING_CALLS_CROSSED): Define.
7239         * flow.c (allocate_reg_life_data): Initialize
7240         REG_N_THROWING_CALLS_CROSSED.
7241         (propagate_one_insn, attempt_auto_inc): Update
7242         REG_N_THROWING_CALLS_CROSSED.
7243         * global.c (global_alloc): Don't allocate pseudos across
7244         calls that may throw.
7245
7246 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7247
7248         PR c/18715
7249         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7250         value is inbetween the range if we did not find an exact match.
7251
7252 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7253
7254         * doc/invoke.texi (Option Summary): Add ms1 options.
7255         * doc/extend.texi: Document interrupt handler attribute for ms1.
7256         * doc/md.texi: Document ms1 constraints.
7257         * config.gcc: Add ms1-*-elf.
7258         * config/ms1/ms1.h: New.
7259         * config/ms1/ms1.c: New.
7260         * config/ms1/ms1.md: New.
7261         * config/ms1/ms1-protos.h: New.
7262         * config/ms1/ABI.txt: New.
7263         * config/ms1/crti.asm: New.
7264         * config/ms1/crtn.asm: New.
7265         * config/ms1/lib2extra-funcs.c: New.
7266         * config/ms1/t-ms1: New.
7267         * config/ms1/ms1.opt: New.
7268
7269 2005-08-22 Ira Rosen <irar@il.ibm.com>
7270
7271         * config/rs6000/altivec.md (xorv4sf3): New.
7272         (negv4sf2, neg<mode>2): Likewise.
7273
7274 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7275
7276         PR target/23485
7277         * config/ia64/ia64.md (divsi3): Check divide by zero.
7278         (udivsi3): Likewise.
7279         (divdi3): Likewise.
7280         (udivdi3): Likewise.
7281
7282 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7283
7284         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7285         up to elem_bitsize bits, not max_bitsize.
7286
7287 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7288
7289         PR tree-optimization/23433
7290         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7291         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7292
7293 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7294
7295         PR tree-optimization/23434
7296         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7297         the iteration bound is not an INTEGER_CST.
7298
7299 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7300
7301         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7302         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7303         NULL if need_epilog_adjust is false.
7304         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7305         Case 3 always peels first itration, not just for PLUS case, and no need
7306         to use scalar_initial_def here. Create an epilog adjustment only if
7307         scalar_initial_def is not NULL.
7308
7309         (vectorizable_reduction): Remove assert.
7310
7311 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7312
7313         PR target/23485
7314         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7315         (__moddi3): Likewise.
7316         (__udivdi3): Likewise.
7317         (__umoddi3): Likewise.
7318         (__divsi3): Likewise.
7319         (__modsi3): Likewise.
7320         (__udivsi3): Likewise.
7321         (__umodsi3): Likewise.
7322
7323 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7324
7325         * tree-pass.h (TDF_GRAPH): Define.
7326         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7327         * passes.c (finish_optimization_passes): Only call
7328         finish_graph_dump_file if TDF_GRAPH is set.
7329         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7330         NULL.  Set TDF_GRAPH bit.
7331         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7332
7333 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7334
7335         * arm.h (arm_stack_offsets): Add locals_base field.
7336         * arm.c (arm_get_frame_offsets): Compute it.
7337         (thumb_compute_initial_elimination offset): Make the Thumb frame
7338         pointer point to the base of the local variables.
7339         (thumb_expand_prologue): Update accordingly.
7340         (thumb_expand_epilogue): Likewise.
7341
7342         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7343         mode of clobbered scratch to DImode.  Handle a case that's known to
7344         need this.
7345
7346 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7347
7348         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7349         (gt0<mode>_compare): Delete.
7350         (neg_gt0<mode>): Delete.
7351
7352 2005-08-19  Eric Christopher  <echristo@apple.com>
7353
7354         * optabs.h: Change CTI_ to COI_.
7355         * optabs.c: Ditto.
7356
7357 2005-08-19  James E Wilson  <wilson@specifix.com>
7358
7359         * builtins.c (expand_builtin_return_addr): Set
7360         current_function_accesses_prior_frames when count != 0.  Use
7361         frame_pointer_rtx when count == 0.
7362         * function.h (struct function): Add accesses_prior_frames field.
7363         (current_function_accesses_prior_frames): Define.
7364         * reload1.c (init_elim_table): Check
7365         current_function_accesses_prior_frames.
7366         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7367
7368 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7369
7370         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7371         indicator.  Return true if the flowgraph changed during
7372         cleanup.
7373
7374 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7375
7376         PR 23476
7377         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7378         conditional expression before testing its value.
7379
7380 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7381
7382         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7383
7384 2005-08-19  Devang Patel  <dpatel@apple.com>
7385
7386         PR tree-optimization/23048
7387         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7388         third parameter. Check whether latch is dominated by exit
7389         block or not.
7390         (if_convertible_loop_p): Supply exit block itself to
7391         if_convertible_bb_p.
7392
7393 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7394
7395         PR target/23473
7396         * arm.md (arm_load_pic_register): Change argument to the mask of
7397         saved registers.  Call thumb_find_work_register if we need a
7398         scratch register on Thumb.
7399         (arm_expand_prologue): Pass empty register set to
7400         arm_load_pic_register.
7401         (thumb_expand_prologue): Pass live_regs_mask directly to
7402         arm_load_pic_register.
7403         * arm-protos.h (arm_load_pic_register): Update prototype.
7404
7405 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7406
7407         * sh.c (find_sole_member): New function.
7408         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7409         if the record's alignment is larger than the size of its only member.
7410
7411 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7412
7413         PR target/23436
7414         * arm.c (thumb_legitimize_reload_address): New function.
7415         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7416         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7417
7418 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7419
7420         * config/crx/crx.c: Implement crx_decompose_address. Reject
7421         symbolic displacements since CRX register relative adressing
7422         mode can't handle unsigned 32-bit values as displacements.
7423         * config/crx/crx.h: Simplify definitions, remove redundant
7424         parenthesis and obsolete macros.
7425         * config/crx/crx.opt: Add new switch for debugging addresses.
7426         * config/crx/crx-protos.h: Add new declarations for above.
7427
7428 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7429
7430         PR middle-end/20624
7431         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7432         looking past it.
7433
7434 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7435
7436         * collect2.c (dup2): Delete.
7437         * configure.ac: Don't check for dup2.
7438
7439         * config.in, configure: Regenerate.
7440
7441 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7442
7443         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7444         record with the type of its only member.
7445
7446 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7447
7448         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7449         define_insn_and_split.
7450         (plus_ltu<mode>_compare): Same.
7451         (gtu<mode>_compare): Same.
7452         (plus_gtu<mode>_compare): Same.
7453
7454 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7455
7456         PR tree-optimization/22228
7457         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7458         todo_flags_start.
7459         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7460         are recorded in vect_vnames_to_rename for renaming.
7461         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7462         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7463         in vect_vnames_to_rename.
7464         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7465         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7466
7467 2005-08-18  Jan Hubicka  <jh@suse.cz>
7468
7469         PR c++/22034
7470         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7471         info only for local statics, not for member variables.
7472
7473 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7474
7475         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7476
7477 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7478
7479         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7480
7481 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7482
7483         PR middle-end/16045
7484         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7485
7486 2005-08-17  James E Wilson  <wilson@specifix.com>
7487
7488         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7489         array size check.
7490
7491 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7492
7493         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7494         (leu<mode>_compare): Same.
7495         (plus_leu<mode>): Same.
7496         (neg_leu<mode>): Same.
7497         (and_neg_leu<mode): Same.
7498         (ltu<mode>_compare): Same.
7499         (plus_ltu<mode>): Same.
7500         (geu<mode>): Same.
7501         (geu<mode>_compare): Same.
7502         (plus_geu<mode>): Same.
7503         (neg_geu<mode>): Same.
7504         (and_neg_geu<mode>): Same.
7505         (plus_gt<mode>): Same.
7506         (gtu<mode>_compare): Same.
7507         (plus_gtu<mode>): Same.
7508
7509 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7510
7511         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7512         Move call_table_data to end.  Delete spurious .text.
7513         (callt_save_all_interrupt): Fix comment typo.
7514
7515 2005-08-17  James E Wilson  <wilson@specifix.com>
7516             Kevin Winchester  <winchester@amirix.com>
7517
7518         PR target/21684
7519         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7520
7521 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7522
7523         PR target/23268
7524         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7525         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7526
7527 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7528
7529         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7530         record with the type of its only member if the modes don't match.
7531
7532         * varasm.c (decode_reg_name): Skip empty additional register names.
7533
7534 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7535
7536         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7537         lsm_tmp_name_length): New.
7538         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7539         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7540
7541 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7542             Andreas Krebbel  <krebbel1@de.ibm.com>
7543
7544         * config.gcc: Added z9-109 switch.
7545         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7546         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7547         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7548         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7549         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7550         for "z9_109" cpu attribute.
7551         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7552         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7553         (s390_handle_arch_option): Added z9-109 switch.
7554         (override_options): Set respective cost function for z9-109.
7555         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7556         (legitimate_reload_constant_p): Accept extended immediates.
7557         (print_operand): Three new output modifiers added: k, m and o.
7558         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7559         (s390_output_mi_thunk): Use extended immediate when possible.
7560         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7561         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7562         (CONSTRAINT_LEN): Added length of O constraint.
7563         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7564         * config/s390/s390.md ("cpu"): New value z9_109 added.
7565         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7566         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7567         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7568         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7569         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7570         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7571         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7572         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7573         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7574         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7575         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7576         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7577         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7578         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7579         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7580         immediates.
7581         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7582         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7583         insns for TARGET_EXTIMM.
7584
7585 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7586
7587         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7588
7589 2005-08-17  Nick Clifton  <nickc@redhat.com>
7590
7591         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7592         Call default_encode_section_info.
7593
7594 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7595
7596         PR tree-optimization/21574
7597         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7598         constant, return CONSTANT.
7599         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7600         (ccp_fold, visit_assignment): Likewise.
7601         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7602
7603 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7604
7605         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7606         fold_buildN instead of buildN then fold_initializer or fold.
7607         (build_unary_op): Likewise.
7608         (build_binary_op): Likewise.
7609         * fold-const.c (fold_initializer): Remove.
7610         (fold_build1_initializer): New function.
7611         (fold_build2_initializer): New function.
7612         (fold_build3_initializer): New function.
7613         * tree.h (fold_initializer): Remove.
7614         (fold_build1_initializer): New function.
7615         (fold_build2_initializer): New function.
7616         (fold_build3_initializer): New function.
7617
7618 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7619
7620         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7621         (try_move_mult_to_index): Call fold_build2 instead of build2.
7622         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7623         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7624         fold_binary_to_constant.
7625         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7626         fold (build.
7627         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7628         check if A == gcd (A, B).  Remove TYPE argument.
7629         (analyze_offset) Use fold_build2 instead of fold (build.
7630         (create_data_ref): Likewise.
7631         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7632         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7633         then fold.
7634
7635 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7636
7637         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7638         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7639
7640 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7641
7642         PR tree-opt/23402
7643         * gimplify.c (zero_sized_type): New function.
7644         (gimplify_modify_expr_rhs): If we have a zero sized type,
7645         replace the statement with an empty statement.
7646
7647 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7648
7649         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7650         fxsave.
7651
7652 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7653
7654         * doc/tm.texi (Label Output): Correct typo.
7655
7656 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7657
7658         PR target/23376
7659         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7660         force_operand will work later on using have_insn_for.
7661
7662 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7663
7664         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7665
7666 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7667
7668         PR c++/23337
7669         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7670         vector type, don't try to construct it element by element.  Add an
7671         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7672
7673 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7674
7675         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7676
7677 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7678
7679         * doc/invoke.texi (Precompiled Headers): Document some more options
7680         which are known to be safe.
7681
7682 2005-08-16  James E Wilson  <wilson@specifix.com>
7683
7684         PR tree-optimization/21105
7685         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7686         TREE_OVERFLOW check.
7687
7688 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7689
7690         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7691         (neg_ltu<mode>): Same.
7692         (gtu<mode>): Same.
7693         (neg_gtu<mode>): Same.
7694
7695 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7696
7697         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7698         (fold_builtin_isdigit): Use fold_buildN.
7699         (build_function_call_expr): Likewise.
7700         * c-typeck.c (c_finish_loop): Likewise.
7701
7702 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7703             Richard Shann <rshann@superh.com>
7704
7705         PR middle-end/20396:
7706         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7707
7708 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7709
7710         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7711
7712 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7713
7714         PR target/23355
7715         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7716         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7717         must be saved.
7718
7719 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7720
7721         PR middle-end/23369
7722         * fold-const.c (build_range_check): Disable optimization for function
7723         pointer expressions on targets that require function pointer
7724         canonicalization.
7725
7726 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7727
7728         * simplify-rtx.c (simplify_const_relational_operation): When
7729         extracting arguments of a COMPARE, recompute the mode as well.
7730
7731 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7732
7733         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7734
7735 2005-08-15  DJ Delorie  <dj@redhat.com>
7736
7737         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7738         the stack.
7739         (movsi_splittable): Allow, but split, moves to the stack.
7740         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7741         stack.
7742
7743 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7744
7745         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7746         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7747         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7748
7749         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7750         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7751         Delete HOST_PTR_PRINTF.
7752
7753         * configure, config.in: Regenerate.
7754
7755 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7756
7757         * config/rs6000/rs6000.md (QHSI): New mode macro.
7758         (wd): Extend mode attr for QImode and HImode
7759         (dbits): New mode attr.
7760         (zero_extend<mode>di2): Convert to mode macro.
7761
7762 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7763
7764         PR target/21841
7765         * doc/invoke.texi (-mgnu-ld): Update description.
7766         (-mhp-ld): Ditto.
7767
7768 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7769
7770         PR 23391
7771         * Makefile.in (tree-chrec.o): Depends on real.h.
7772         * tree-chrec.c: Include real.h.
7773         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7774         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7775         * tree-scalar-evolution.c (add_to_evolution_1,
7776         interpret_rhs_modify_expr): Ditto.
7777
7778 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7779
7780         PR 23386
7781         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7782         step is negative compute the estimation from init downwards to zero.
7783
7784 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7785
7786         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7787
7788 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7789
7790         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7791         constraint.
7792         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7793         Accept double-word constants that can be split.
7794         * config/s390/s390.md ("movti"): Use 'P' constraint.
7795         ("*movdi_31", "*movdf_31"): Likewise.
7796
7797 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7798
7799         Fix PR tree-optimization/22615
7800
7801         * tree-ssa-structalias.c (solution_set_add): Handle
7802         first_vi_for_offset returning NULL.
7803         (do_da_constraint): Ditto.
7804         (do_sd_constraint): Ditto.
7805         (do_ds_constraint): Ditto
7806         (find_func_aliases): Ditto.
7807         (build_constraint_graph): RHS is allowed be ANYTHING.
7808         (first_vi_for_offset): Return NULL if we couldn't find anything at
7809         the offset.
7810
7811 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7812
7813         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7814         over memory as first operand.
7815
7816 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7817
7818         PR target/23360
7819         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7820         available for setting it.
7821
7822 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7823
7824         PR tree-optimization/23320
7825         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7826         data-refs' types instead of base object nullness. Add check for
7827         pointer type data-refs before first location comparison. Remove
7828         assert.
7829
7830 2005-08-14  Andreas Schwab  <schwab@suse.de>
7831
7832         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7833
7834 2005-08-13  James E Wilson  <wilson@specifix.com>
7835
7836         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7837         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7838         -fstack-protector-all, --param ssp-buffer-size): Document.
7839         (-Wvariadic-macros): Alphabetize.
7840         (-fsched-stalled-insns-dep): Add missing 'f'.
7841
7842         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7843         macros.
7844
7845 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7846
7847         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7848         or indirect address operand.
7849         (EXTRA_ADDRESS_CONSTRAINT): New.
7850         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7851
7852 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7853
7854         PR tree-optimization/22236
7855         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7856         successors and predecessors.
7857         * tree-chrec.c (chrec_convert): Before converting, check that
7858         sequences don't wrap.
7859         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7860         (analyze_array): Extern.
7861         (find_data_references_in_loop): Remove call to
7862         compute_estimated_nb_iterations.
7863         * tree-data-ref.h (analyze_array): Declared.
7864         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7865         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7866         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7867         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7868         condition.
7869         * tree-ssa-loop-ivcanon.c: Fix documentation.
7870         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7871         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7872         (infer_loop_bounds_from_undefined): New.
7873         (estimate_numbers_of_iterations_loop): Use
7874         infer_loop_bounds_from_undefined.
7875         (used_in_pointer_arithmetic_p): New.
7876         (scev_probably_wraps_p): Pass an extra parameter.  Call
7877         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7878         (convert_step): Fix documentation.
7879         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7880         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7881         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7882         scev_probably_wraps_p.
7883
7884 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7885
7886         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7887         (s390_register_info): Ignore clobbered_regs information for fixed
7888         registers, and only fixed registers.
7889         (s390_init_frame_layout): Remove redundant call.
7890
7891 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7892
7893         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7894         description of -Wold-style-casts.
7895
7896 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7897             Jakub Jelinek  <jakub@redhat.com>
7898
7899         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7900         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7901         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7902         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7903         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7904         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7905         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7906         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7907         ("stack_protect_set", "stack_protect_test"): New expanders.
7908         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7909         "stack_protect_testdi"): New insn definitions.
7910
7911 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7912
7913         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7914
7915 2005-08-12  Paul Brook  <paul@codesourcery.com>
7916
7917         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7918
7919 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7920
7921         * config/s390/predicates.md (setmem_operand): New predicate.
7922         (shift_count_operand): Accept ANDs with special constants as
7923         operand.
7924         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7925         with special constants.
7926         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7927         shift_count_operand with setmem_operand.
7928
7929 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7930
7931         * config/s390/s390.c (s390_extract_part, s390_single_part):
7932         Type cast added.
7933         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7934         (s390_output_mi_thunk): Don't use lg on 31 bit.
7935         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7936         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7937
7938 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7939
7940         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7941         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7942         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7943         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7944         with one of the new macros.
7945
7946 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7947
7948         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7949         Don't set save_return_addr_p.
7950         (s390_register_info): Make clobbered_regs not depending on
7951         save_return_addr_p.
7952
7953 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7954
7955         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7956         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7957
7958 2005-08-11  James E. Wilson  <wilson@specifix.com>
7959
7960         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7961
7962 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7963
7964         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7965         locations gathered by var-tracking in single entry loc_list
7966         over loc_descriptor_from_tree.
7967
7968         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7969         pass it down to loc_descriptor.
7970         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7971         (containing_function_has_frame_base): Move earlier in the file.
7972         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7973         instead of always assuming fbreg can't be used.
7974
7975 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7976
7977         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7978         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7979         Accept address wrapped in AND for Altivec.
7980         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7981         Strip AND wrapping offset address for Altivec.
7982
7983 2005-08-11  Richard Henderson  <rth@redhat.com>
7984
7985         PR middle-end/23312
7986         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7987         before using TYPE_IS_SIZETYPE.
7988
7989 2005-08-11  Richard Henderson  <rth@redhat.com>
7990
7991         PR target/22225
7992         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7993         insn types not present on ev4.
7994         (alphaev5_insn_pipe): Similarly.
7995
7996 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7997
7998         PR target/23250
7999         * arm.c (arm_override_options): If the user has selected callee-super-
8000         interworking, then enable normal interworking.
8001
8002 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8003
8004         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8005         redefinition.
8006
8007 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8008
8009         * doc/rtl.texi: Fix two typos.
8010
8011 2005-08-11  Richard Guenther  <rguenther@suse.de>
8012
8013         PR target/23289
8014         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8015         cases where we call to/from functions returning void.
8016
8017 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8018
8019         PR c++/23225
8020         * tree.c (build_pointer_type_for_mode): Robustify.
8021
8022 2005-08-10  James E Wilson  <wilson@specifix.com>
8023
8024         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8025         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8026
8027         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8028         "cum->".
8029
8030 2005-08-10  Eric Christopher  <echristo@apple.com>
8031
8032         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8033         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8034         V2DFmode.
8035
8036 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8037
8038         PR target/21887
8039         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8040         for the high part when generating dynamic-no-pic code.
8041
8042 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8043
8044         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8045         (x86_64-*-linux*): Likewise.
8046
8047         * config/i386/crtfastmath.c: New file.
8048         * config/i386/t-crtfm: Likewise.
8049
8050         * config/i386/linux.h (ENDFILE_SPEC): New.
8051         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8052
8053         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8054         crtfastmath.o.
8055
8056 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8057
8058         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8059         (vec_shl, vec_shr): Document new operations.
8060         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8061
8062 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8063
8064         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8065         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8066         change predicate to indexed_or_indirect_address.
8067
8068 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8069
8070         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8071         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8072         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8073         and __aeabi_uwrite8.
8074         * config/arm/unaligned-funcs.c: New file.
8075         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8076
8077 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8078
8079         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8080         Add dump.
8081         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8082         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8083         Add dump.
8084         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8085         * final.c (pass_shorten_branches): Add dump.
8086         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8087         (pass_life): Rename dump.
8088         (rest_of_handle_flow2): Remove initial verify_flow_info.
8089         * function.c (pass_instantiate_virtual_regs): Add dump.
8090         * integrate.c (pass_initial_value_sets): Add dump.
8091         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8092         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8093         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8094         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8095         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8096         gate_rtl_unrool_and_peel_loops): New.
8097         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8098         rtl_doloop): Do not look at flags.
8099         * mode-switching.c (pass_mode_switching): Add dump.
8100         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8101         pass_split_before_regstack): Add dump.
8102         * regmove.c (pass_stack_adjustments): Add dump.
8103         * tree-optimize.c (pass_fixup_cfg): Add dump.
8104
8105 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8106
8107         PR 23309
8108         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8109         deciding which instruction sequence to use.
8110
8111 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8112
8113         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8114         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8115
8116 2005-08-09  Richard Guenther  <rguenther@suse.de>
8117
8118         * c-common.c (builtin_function_2): Remove.
8119         (def_builtin_1): New function.
8120         (c_common_nodes_and_builtins): Use def_builtin_1 to
8121         build builtin functions.
8122
8123 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8124
8125         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8126         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8127         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8128         Visual DSP.
8129
8130 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8131
8132         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8133         fold_binary instead of fold_build2 since we don't care about the
8134         resulting tree.
8135         (loop_niter_by_eval): Likewise.
8136         (compare_trees): Likewise.
8137         (proved_non_wrapping_p): Likewise.
8138
8139 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8140
8141         PR c/23161
8142         PR c/23165
8143         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8144         if the if is really empty.
8145
8146 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8147
8148         PR tree-optimization/23234
8149         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8150         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8151         argument of the new enum.
8152         (execute_cse_reciprocals): Add reciprocals for function arguments
8153         on the unique successor edge of the entry block.  Update other calls
8154         to execute_cse_reciprocals_1.
8155
8156 2005-08-08  Richard Henderson  <rth@redhat.com>
8157
8158         PR 22439
8159         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8160
8161 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8162
8163         * expr.c (write_complex_part): Return after handling MEM.
8164
8165 2005-08-08  Josh Conner  <jconner@apple.com>
8166
8167         PR rtl-optimization/23241
8168         * combine.c (simplify_comparison): Fix error in determining
8169         whether to lift a subreg from comparison.
8170
8171 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8172
8173         PR target/18506
8174         * config/rs6000/altivec.md (vec_init<mode>): New.
8175         (vec_set<mode>): New.
8176         (vec_extract<mode>): New.
8177         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8178         (rs6000_expand_vector_set): New.
8179         (rs6000_expand_vector_extract): New.
8180         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8181         for Altivec modes before reload.
8182         (altivec_expand_vec_init_builtin): New.
8183         (get_element_number): New.
8184         (altivec_expand_vec_set_builtin): New.
8185         (altivec_expand_vec_ext_builtin): New.
8186         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8187         builtins.
8188         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8189         builtins.
8190         * config/rs6000/rs6000.h (rs6000_builtins): Add
8191         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8192         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8193         * config/rs6000/rs6000-protos.h: Declare new functions.
8194
8195 2005-08-08  Jan Hubicka  <jh@suse.cz>
8196
8197         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8198         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8199         * i386.md (movdi*): Use pic_32bit_operand.
8200         * predicates.md (pic_32bit_operand): New.
8201
8202 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8203
8204         PR c++/21166
8205         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8206
8207 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8208
8209         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8210         (test_for_singularity): Use fold_build2.
8211
8212 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8213
8214         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8215
8216 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8217
8218         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8219         (COMMON_ASM_OP) Define.
8220         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8221         (ix86_encode_section_info): Likewise.
8222         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8223         SUBTARGET_ENCODE_SECTION_INFO.
8224
8225 2005-08-06  Richard Henderson  <rth@redhat.com>
8226
8227         PR 21894
8228         * tree-nested.c (convert_local_reference): Save and restore val_only
8229         around component_ref and friends.  Clear walk_subtrees by default.
8230
8231 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8232
8233         PR 21366
8234         * gcc.c (process_command): Check the argument to -b has a dash.
8235         * doc/invoke.texi: Update -b and -V docs.
8236
8237 2005-08-06  James E Wilson  <wilson@specifix.com>
8238
8239         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8240
8241 2005-08-06  Michael Matz  <matz@suse.de>
8242
8243         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8244         member only if only one insn is associated with the value.
8245
8246 2005-08-06  Nick Clifton  <nickc@redhat.com>
8247
8248         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8249         New define.
8250         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8251         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8252         Check symbol flags instead of symbol name mangling.
8253         (xstormy16_asm_output_aligned_common): Likewise.  Also
8254         simplify code since the bss100_section cass is the only case
8255         where the below100 code will be triggered.
8256         (xstormy16_encode_section_info): Encode below100 attribute
8257         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8258         the name.
8259         (xstormy16_strip_name_encoding): Delete - this function is no
8260         longer needed.
8261         (TARGET_STRIP_NAME_ENCODING): Undefine.
8262         * config/stormy16/stormy16-protos.h: Delete prototype for
8263         xstormy16_strip_name_encoding.
8264
8265 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8266
8267         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8268         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8269         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8270         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8271         config/alpha/predicates.md, config/arc/arc.h,
8272         config/arm/arm.h, config/arm/ieee754-df.S,
8273         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8274         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8275         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8276         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8277         config/m68hc11/m68hc11.h, config/mips/mips.c,
8278         config/mips/mips.h, config/mips/openbsd.h,
8279         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8280         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8281         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8282         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8283         config/sparc/linux.h, config/sparc/linux64.h,
8284         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8285         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8286         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8287         typos.  Follow spelling conventions.
8288
8289 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8290
8291         PR c/23113
8292         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8293         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8294         specially.  Check for side effects only for COND_EXPR.
8295         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8296         return with TREE_NO_WARNING.
8297
8298 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8299
8300         PR rtl-optimization/23233
8301         * loop.c (combine_movables): Require the modes to be the same.
8302         (move_movables): Remove handling of cases where the replacement
8303         had a different mode to the original.
8304
8305 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8306
8307         PR tree-optimization/23128
8308         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8309         subtraction wrap, and set TREE_OVERFLOW if they do.
8310
8311 2005-08-05  Richard Henderson  <rth@redhat.com>
8312
8313         PR 21728
8314         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8315         FORCED_LABEL labels.
8316
8317 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8318
8319         PR middle-end/23135
8320         * reload.c (find_reloads_subreg_address): Pass down TYPE
8321         unchanged.  Change all callers except find_reloads_toplev.
8322
8323 2005-08-05  Michael Matz  <matz@suse.de>
8324
8325         * genattrtab.c (current_alternative_string): Remove.
8326         (SIMPLIFY_ALTERNATIVE): Ditto.
8327         (attr_alt_bit_p): Ditto.
8328         (alternative_name): Make const char *.
8329         (evaluate_eq_attr): Remove use of above things.
8330         (simplify_test_exp): Ditto.
8331         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8332         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8333
8334 2005-08-04  James E Wilson  <wilson@specifix.com>
8335
8336         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8337         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8338         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8339         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8340         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8341
8342 2005-08-04  Richard Henderson  <rth@redhat.com>
8343
8344         PR 21529
8345         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8346         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8347         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8348         if we'd have to instantiate too many members.
8349
8350 2005-08-04  Richard Henderson  <rth@redhat.com>
8351
8352         PR 21291
8353         * tree-outof-ssa.c (coalesce_asm_operands): New.
8354         (coalesce_ssa_name): Use it.  Split out ...
8355         (coalesce_phi_operands, coalesce_result_decls): ... these.
8356
8357 2005-08-04  Paul Brook  <paul@codesourcery.com>
8358
8359         * read-rtl.c (read_quoted_string): Break if EOF.
8360
8361 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8362
8363         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8364         (fold_build2): Likewise.
8365         (fold_build3): Likewise.
8366         (fold_build1_stat): New function prototype.
8367         (fold_build2_stat): Likewise.
8368         (fold_build3_stat): Likewise.
8369         * fold-const.c (fold_build1): Rename to ..
8370         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8371         through to build1_stat.
8372         (fold_build2): Rename to ..
8373         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8374         through to build2_stat.
8375         (fold_build3): Rename to ..
8376         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8377         through to build3_stat.
8378
8379 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8380             Ian Lance Taylor  <ian@airs.com>
8381
8382         * function.c (assign_stack_local_1): Do not correct stack slot
8383         address if allocation size is smaller than mode size.
8384
8385 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8386
8387         PR 22037
8388         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8389         (tree_merge_blocks): Propagate anything allowed by
8390         may_propagate_copy.
8391         Clarify documentation.
8392         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8393         SSA form, schedule an update if necessary.
8394
8395 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8396
8397         * doc/install.texi (Binaries): Remove broken link to
8398         Sinix/Reliant Unix binaries.
8399
8400 2005-08-03  Richard Henderson  <rth@redhat.com>
8401
8402         PR 23221
8403         * function.c (stack_protect_epilogue): Export.
8404         * tree.h (stack_protect_epilogue): Declare.
8405         * calls.c (expand_call): Call it.
8406
8407 2005-08-03  Eric Christopher  <echristo@apple.com>
8408
8409         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8410         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8411         spec.
8412
8413 2005-08-04  Jan Hubicka  <jh@suse.cz>
8414
8415         * profile.c (branch_prob): Split edges with goto locus on them
8416         to get proper line counts.
8417         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8418
8419 2005-08-03  Paul Brook  <paul@codesourcery.com>
8420
8421         * function.c (assign_parms): Round current_function_args_size
8422         to PARM_BOUNDARY, not STACK_BOUNDARY.
8423
8424 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8425
8426         * config/i386/i386.c (x86_elf_aligned_common)
8427         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8428
8429 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8430
8431         PR tree-optimization/23157
8432         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8433         before emitting them.
8434
8435 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8436
8437         PR tree-optimization/19899
8438         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8439         * tree-scalar-evolution.c: Include real.h.
8440         (add_to_evolution): Build constant -1 of correct type.
8441
8442 2005-08-03  Jan Hubicka  <jh@suse.cz>
8443
8444         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8445         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8446         profile updating for complette unrolling.
8447         * loop-unroll.c (peel_loop_completely): Use it.
8448         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8449         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8450         loops.
8451
8452 2005-08-03  Paul Brook  <paul@codesourcery.com>
8453
8454         * combine.c (can_change_dest_mode): New function.
8455         (try_combine, simplify_set): Use it.
8456
8457 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8458
8459         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8460         TFmode to BLKmode.
8461
8462 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8463
8464         * doc/install.texi (Specific): Adjust link to openavr.org.
8465         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8466         (Binaries): Adjust HP-UX Porting Center link.
8467         (Binaries): Adjust Free Software Foundation ordering link.
8468
8469 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8470
8471         * convert.c (convert_to_integer): Use fold_build1 instead of
8472         build1 when converting an integer to an integer.
8473
8474 2005-08-02  Richard Henderson  <rth@redhat.com>
8475
8476         * combine.c (combine_instructions): Don't use reg_equal/equiv
8477         results if the mode doesn't match.
8478
8479 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8480
8481         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8482         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8483
8484 2005-08-02  Richard Henderson  <rth@redhat.com>
8485
8486         PR 23196
8487         * explow.c (memory_address): Remove special-case for
8488         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8489
8490 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8491
8492         PR 23164
8493         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8494         number of calls to cleanup_tree_cfg_1.
8495
8496 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8497
8498         * doc/invoke.texi: document file extensions .F90 and .F95
8499
8500 2005-08-02  Richard Guenther  <rguenther@suse.de>
8501
8502         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8503         positive if its first argument is positive.
8504
8505 2005-08-02  Richard Guenther  <rguenther@suse.de>
8506
8507         PR tree-optimization/23177
8508         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8509         on TMR_TAG.
8510
8511 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8512
8513         PR tree-optimization/23129
8514         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8515         varying for divisions with anti-ranges.
8516
8517 2005-08-02  Jan Hubicka  <jh@suse.cz>
8518
8519         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8520         * tree-ssa-threadupdate.c (thread_block): Add it here.
8521
8522 2005-08-01  James E Wilson  <wilson@specifix.com>
8523
8524         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8525         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8526         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8527         New.
8528         * config/mips/predicates.md (const_call_insn_operand): Add check for
8529         SYMBOL_REF_LONG_CALL_P.
8530         * doc/extend.texi (long_call): Document the new attribute.
8531
8532 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8533             Richard Henderson  <rth@redhat.com>
8534
8535         * Makefile.in (RTL_BASE_H): Add real.h.
8536         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8537         instead of memcpy.
8538         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8539         directly.
8540         * rtl.c (rtl_check_failed_code_mode): New.
8541         * rtl.h (struct rtx_def): Add u.rv.
8542         (XCMWINT, XCNMPRV): New.
8543         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8544         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8545
8546 2005-08-01  Richard Henderson  <rth@redhat.com>
8547
8548         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8549         with auto-inc codes.
8550
8551         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8552
8553 2005-08-01  Jan Hubicka  <jh@suse.cz>
8554
8555         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8556         * i386.c: Include dwarf2.h
8557         (asm_preferred_eh_data_format): New.
8558         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8559
8560 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8561
8562         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8563         randomize_va_space for virtual address randomization control.
8564
8565 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8566
8567         * common.opt (flag_ipa_cp): Put in right place to maintain
8568         alphabetic sort.
8569
8570 2005-08-01  Jan Hubicka  <jh@suse.cz>
8571
8572         * profile.c (compute_value_histograms): Fix thinko.
8573         * value-prof.c: Include toplev.h
8574         (check_counter): New function.
8575         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8576         tree_mod_subtract_transform): Add sanity check.
8577
8578 2005-08-01  Richard Guenther  <rguenther@suse.de>
8579
8580         PR tree-optimization/23133
8581         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8582         current functions parameter decls to find defs to cse
8583         reciprocals of.
8584
8585 2005-08-01  Richard Guenther  <rguenther@suse.de>
8586
8587         PR tree-optimization/23109
8588         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8589         If trapping math is in effect, use post-dominator information
8590         to check if we'd in any case reach a trapping point before
8591         doing the reciprocal insertion.
8592         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8593         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8594         expressions are invariant only if trapping math is not in effect.
8595
8596 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8597
8598         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8599         cgraph_function_versioning): New declarations.
8600         * cgraphunit.c: Add include to ipa-prop.h.
8601         (update_call_expr, cgraph_copy_node_for_versioning,
8602         cgraph_function_versioning): New functions.
8603         * integrate.c (copy_decl_for_inlining): Remove.
8604         * ipa-prop.h (ipa_replace_map): New struct.
8605         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8606         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8607         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8608         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8609         ipcp_iterate_stage, ipcp_method_scale_print,
8610         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8611         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8612         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8613         ipcp_update_bb_counts, ipcp_update_profiling,
8614         ipcp_update_edges_counts): New functions.
8615         (ipcp_method_cval_init): Remove restriction regarding local methods.
8616         (ipcp_init_stage): Add ipcp_method_compute_scale.
8617         (ipcp_insert_stage): Add versioning.
8618         (ipcp_structures_print): Add ipcp_method_scale_print.
8619         (ipcp_driver): Dump profiling info.
8620         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8621         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8622         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8623         (struct inline_data): Add versioning_p, ipa_info, new fields.
8624         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8625         declare_return_variable): Replace calls to copy_decl_for_inlining with
8626         copy_decl_for_dup.
8627         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8628         versioning support.
8629         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8630         Add argument VERSIONING.
8631         (copy_arguments_for_versioning, copy_static_chain,
8632         function_versionable_p, tree_versionable_function_p,
8633         tree_function_versioning, replace_ref_tree): New functions.
8634         * tree-inline.h: Include varray.h.
8635         (tree_versionable_function_p,  tree_function_versioning,
8636         tree copy_decl_for_dup): New declarations.
8637
8638 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8639
8640         * ipa-cp.c: New file. Contains IPCP specific functionality.
8641         * ipa-prop.h: New file. Contains structures/definitions that can be
8642         used by several interprocedural data flow optimizations (and also IPCP).
8643         * ipa-prop.c: New file.
8644         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8645         * common.opt: Add ipa-cp flag.
8646         * timevar.def: Add IPCP optimization.
8647         * tree-optimize.c (init_tree_optimization_passes): Schedule
8648         pass_ipa_cp.
8649         * tree-pass.h (pass_ipa_cp): Declare.
8650
8651 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8652
8653         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8654         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8655         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8656         config/i386/i386.c, config/mips/mips.h,
8657         config/rs6000/rs6000.h, config/sh/sh.c,
8658         config/stormy16/stormy16.c: Fix comment typos.
8659
8660 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8661
8662         PR c/22311
8663         * c-typeck.c (build_binary_op): Use common_type wrapper on
8664         shortened types.
8665         (common_type): Update comment.
8666
8667 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8668
8669         PR target/23095
8670         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8671         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8672         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8673
8674 2005-07-31  Jan Hubicka  <jh@suse.cz>
8675
8676         * pretty-print.h (pp_widest_integer): New macro.
8677         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8678         counts.
8679
8680 2005-07-31  Jan Hubicka  <jh@suse.cz>
8681
8682         * output.h (enum section_category): Export from varasm.c
8683         (categorize_decl_for_section): Likewise.
8684         * varasm.c (enum section_category): Kill.
8685         (categorize_decl_for_section): Make global.
8686         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8687         Declare.
8688         * i386.c (ix86_section_threshold): New static variable.
8689         (ix86_in_large_data_p, ix86_encode_section_info,
8690         x86_64_elf_unique_section,
8691         x86_64_elf_select_section): New functions.
8692         (TARGET_ENCODE_SECTION_INFO): Define
8693         (override_options): Enable medium model for PIC.
8694         (ix86_expand_prologue): Expand gen_set_got_rex64.
8695         (legitimate_constant_p): Handle new UNSPECs.
8696         (legitimate_pic_address_disp_p): Likewise.
8697         (legitimize_pic_address): Lower MEDIUM model addressing.
8698         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8699         (enum cmodel): Add MEDIUM_PIC.
8700         (SYMBOL_REF_FAR_ADDR_P): New macro.
8701         (SYMBOL_FLAG_FAR_ADDR): New flag.
8702         * i386.md (movdi): Support medium model.
8703         (set_got_rex64): New pattern.
8704         * i386.opt (mlarge-data-threshold): New flag.
8705         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8706         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8707         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8708         TARGET_ASM_UNIQUE_SECTION): New.
8709
8710         * invoke.texi (-mlarge_data_threshold): Document
8711
8712 2005-07-31  Jan Hubicka  <jh@suse.cz>
8713
8714         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8715         (coalesce_vars): Likewise.
8716         * tree-ssa-live.c (coalesce_cost): New.
8717         (build_tree_conflict_graph): Use coalesce_cost.
8718         * tree-ssa-live.h (coalesce_cost): Declare.
8719
8720 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8721
8722         * arm.md (all peepholes for post-increment operations): Delete.
8723         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8724         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8725         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8726         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8727         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8728
8729 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8730
8731         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8732         non-integral types.
8733
8734 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8735
8736         PR target/22582
8737         * doc/invoke.texi: Document -rdynamic.
8738
8739 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8740
8741         PR c/23143
8742         * c-parser.c (c_parser_parms_list_declarator): Call
8743         mark_forward_parm_decls.
8744         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8745         decls with visibility structure.
8746
8747 2005-07-30  Paul Brook  <paul@codesourcery.com>
8748
8749         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8750
8751 2005-07-30  Paul Brook  <paul@codesourcery.com>
8752
8753         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8754         prototype.
8755         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8756         value for mode.
8757         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8758
8759 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8760
8761         PR c/529
8762         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8763         nested function declarators.
8764         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8765         (grokparms): Call warn_if_shadowing for parameters used within the
8766         parameter list.
8767         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8768         not used within the parameter list.
8769         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8770
8771 2005-07-30  Jan Hubicka  <jh@suse.cz>
8772
8773         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8774         * i386.c (ix86_fixup_binary_operands): Likewise.
8775         (ix86_expand_unary_operator): Likewise.
8776         (ix86_expand_fp_absneg_operator): Likewise.
8777         * optabs.c (expand_vec_cond_expr): Validate dest.
8778
8779 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8780
8781         PR c/21720
8782         * real.c (real_from_string): Also set last bit if there is a
8783         nonzero hex digit beyond GCC's internal precision after ".".
8784
8785 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8786
8787         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8788         define_constants.  Change duplicate values to unassigned numbers.
8789         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8790         (*altivec_vspltsf): New.
8791         (altivec_vperm_v4sf): Delete.
8792         (altivec_vperm_<mode>): Use mode macro V.
8793         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8794         (altivec_predicate_v4sf): Delete.
8795         (altivec_predicate_<mode>): Use mode macro V.
8796         (*altivec_lvesfx): New.
8797         (*altivec_stvesfx): New.
8798         (vec_realign_load_v4sf): Delete.
8799         (vec_realign_load_<mode>): Use mode macro V.
8800         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8801         UNSPECV_SET_VRSAVE.
8802
8803 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8804
8805         PR bootstrap/23131
8806         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8807         string.
8808         * configure: Regenerated.
8809
8810 2005-07-29  Paul Brook  <paul@codesourcery.com>
8811
8812         * doc/install.texi: Add link to GFortran binaries wiki page.
8813
8814 2005-07-29  David Ung  <davidu@mips.com>
8815
8816         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8817         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8818         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8819         * config/mips/mips.md (cpu): Add 5kf name.
8820         (includes): Includes 5k.md.
8821         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8822         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8823         -march flag.
8824
8825 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8826
8827         PR 22550
8828         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8829         (cleanup_tree_cfg): ... here.
8830         Call cleanup_tree_cfg_1 until there are no more cleanups to
8831         do.
8832
8833 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8834
8835         * tree-vrp.c (compare_range_with_value): Return true or false
8836         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8837         EQ_EXPR respectively.
8838
8839 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8840
8841         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8842         Fix comment typos.
8843
8844 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8845
8846         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8847         (tree_ssa_dominator_optimize): Increment it.
8848         (dump_dominator_optimization_stats): Print it.
8849
8850 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8851             Steven Bosscher  <stevenb@suse.de>
8852
8853         PR rtl-optimization/23117
8854         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8855         when head == tail.  Tidy comment.
8856
8857 2005-07-28  Richard Henderson  <rth@redhat.com>
8858
8859         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8860         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8861         * jump.c (rtx_renumbered_equal_p): Likewise.
8862         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8863         CONST_INT and CONST_DOUBLE.
8864         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8865         * reload.c (operands_match_p): Special case CONST_INT and
8866         CONST_DOUBLE; check mode earlier.
8867
8868 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8869
8870         PR c/22240
8871         * c-typeck.c (convert_for_assignment): Do not check
8872         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8873
8874 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8875
8876         PR c/22192
8877         * c-typeck.c (composite_type): Prefer constant size arrays to
8878         VLAs.
8879
8880 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8881
8882         PR c/21720
8883         * real.c (real_from_string): Set last bit if there is a nonzero
8884         hex digit beyond GCC's internal precision.
8885
8886 2005-07-28  Richard Henderson  <rth@redhat.com>
8887
8888         PR rtl-opt/22619
8889         * cfgcleanup.c (try_forward_edges): Watch out for end of
8890         insn chain.
8891
8892 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8893
8894         PR c/23106
8895         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8896
8897 2005-07-28  Jan Hubicka  <jh@suse.cz>
8898
8899         * Makefile.in (rtl-profile.o): Kill all traces of it.
8900         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8901         * coverage.h (rtl_coverage_counter_ref): Kill.
8902         * opts.c (flag_speculative_prefetching_set): Kill.
8903         (flag_loop_optimize_set): New.
8904         (common_handle_option): Disable loop optimizer when profiling;
8905         do not handle speculative prefetching.
8906         * passes.c (init_optimization_passes): Replace pass_profiling combo
8907         by branch_prob pass.
8908         * profile.c (compute_value_histograms): Update for simplified value
8909         profiles.
8910         (rtl_register_profile_hooks): Kill.
8911         (pass_profiling): Kill.
8912         (rest_of_handle_branch_prob): Do not profile.
8913         * toplev.c (process_options): Remove speculative prefetching.
8914         * toplev.h (flag_tree_based_profiling): Kill.
8915         * tree-profile.c (prepare_instrumented_value,
8916         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8917         tree_gen_one_value_profiler, do_tree_profiling): Update for
8918         simplified datastructures.
8919         * value-prof.c: Add comment that speculative prefetching was dropped;
8920         update rest of file for simplified datastructures.
8921         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8922         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8923         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8924         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8925         rtl_mod_subtract, gen_speculative_prefetch,
8926         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8927         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8928         (gate_handle_value_profile_transformations,
8929         rest_of_handle_value_profile_transformations,
8930         pass_value_profile_transformations): Kill.
8931         * value-prof.h (histogram_value_t): Remove IL based unions.
8932         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8933         rtl_profile_hooks): Remove hooks.
8934
8935         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8936
8937         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8938         (cgraph_clone_node): Likewise.
8939         * cgraph.h (cgraph_clone_edge): Update prototype.
8940         (cgraph_clone_node): Likewise.
8941         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8942         cgraph_clone_node.
8943         (lookup_recursive_calls): Consider profile.
8944         (cgraph_decide_recursive_inlining): Fix updating; use new
8945         probability argument; use profile.
8946         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8947         * tree-inline.c (copy_bb): Update clal of clone_edge.
8948         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8949
8950         * invoke.texi (min-inline-recursive-probability): Document.
8951
8952 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8953
8954         * doc/install.texi (Configuration): Update Valgrind homepage.
8955
8956 2005-07-28  Richard Henderson  <rth@redhat.com>
8957
8958         PR middle-end/21362
8959         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8960         labels we want to delete.
8961         (cfg_layout_merge_blocks): Likewise.
8962
8963 2005-07-28  Richard Henderson  <rth@redhat.com>
8964
8965         PR target/17692
8966         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8967         when expanding to nothing.
8968
8969 2005-07-28  Josh Conner  <jconner@apple.com>
8970
8971         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8972         (cgraph_decide_inlining_of_small_functions): Likewise.
8973
8974 2005-07-28  Josh Conner  <jconner@apple.com>
8975
8976         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8977         direction of badness if negative.
8978         (cgraph_default_inline_p): Add reason to parameters, and assign it
8979         a value.
8980         (cgraph_decide_inlining_of_small_functions): New parameter in call
8981         to cgraph_default_inline_p.
8982         (cgraph_decide_inlining_incrementally): Likewise.
8983         * cgraphunit.c (decide_is_function_needed): Likewise.
8984         * cgraph.h (cgraph_default_inline_p): Likewise.
8985
8986 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8987
8988         * builtins.c: Fix comment typo(s).
8989         * genautomata.c: Likewise.
8990         * gimplify.c: Likewise.
8991         * tree-dfa.c: Likewise.
8992         * tree-flow-inline.h: Likewise.
8993         * tree-into-ssa.c: Likewise.
8994         * tree-ssa-alias.c: Likewise.
8995         * tree-ssa-ccp.c: Likewise.
8996         * tree-ssa-copy.c: Likewise.
8997         * tree-ssa-dce.c: Likewise.
8998         * tree-ssa-dom.c: Likewise.
8999         * tree-ssa-operands.c: Likewise.
9000         * tree-tailcall.c: Likewise.
9001         * tree-vectorizer.c: Likewise.
9002         * tree-vrp.c: Likewise.
9003         * tree.c: Likewise.
9004
9005 2005-07-28  Jeff Law  <law@redhat.com>
9006
9007         * tree-vrp.c (test_for_singularity): Extracted from  ...
9008         (simplify_cond_using_ranges): Attempt to simplify a relational
9009         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9010
9011 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9012
9013         PR tree-optimization/22506
9014         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9015         phis whose argument is constant.
9016
9017 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9018
9019         PR rtl-optimization/18992
9020         Back out this patch:
9021           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9022           PR optimization/12142
9023           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9024           uses of the register in the SET_SRC.  Remove unnecessary argument.
9025
9026         Replace it with this:
9027         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9028         if flag_non_call_exceptions is set and the insn may trap, pass
9029         pc_rtx as dest for recursion.
9030         In SET_SRC part of SET case, if dest is already set, pass it down
9031         unchanged.
9032
9033 2005-07-28  Jan Hubicka  <jh@suse.cz>
9034
9035         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9036         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9037         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9038         roundoff errors.
9039         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9040         profile when available.
9041
9042 2005-07-28  Jan Beulich <jbeulich@novell.com>
9043
9044         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9045         (ia64_print_operand): Describe and handle 'X'.
9046         (ia64_register_move_cost): Also handle FP_REGS.
9047         (ia64_preferred_reload_class): Likewise.
9048         (ia64_secondary_reload_class): Likewise.
9049         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9050         it. Also check for ITANIUM_CLASS_FLDP.
9051         * config/ia64/ia64.h (FP_REGNO_P): New.
9052         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9053         (reg_class): Add FP_REGS.
9054         (REG_CLASS_NAMES): Adjust for it.
9055         (REG_CLASS_CONTENTS): Likewise.
9056         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9057         (REG_CLASS_FROM_LETTER): Handle 'x'.
9058         (CLASS_MAX_NREGS): Handle FP_REGS.
9059         (MEMORY_MOVE_COST): Likewise.
9060         * config/ia64/ia64.md (itanium_class): Add fldp.
9061         (type): Handle fldp.
9062         (movti_internal): More allowable operand combinations. Use ldfp8 when
9063         splitting unnecessary. Remove predicable attribute. Adjust
9064         itanium_class attribute.
9065         (smuldi3_highpart): Remove outdated comment.
9066         (mulditi3, umulditi3, rotlti3): New expanders.
9067         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9068         (absti2): Disabled new insn for future reference.
9069         Respective new splitters.
9070         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9071         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9072         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9073
9074 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9075
9076         PR rtl-optimization/23047
9077         * simplify-rtx.c (simplify_const_relational_operation): Respect
9078         flag_wrapv for comparisons with ABS.
9079
9080 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9081
9082         PR tree-optimization/22493
9083         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9084         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9085
9086 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9087
9088         * config/frv/frv.opt (moptimize-membar): New.
9089
9090         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9091
9092         * config/frv/frv.h: Remove machine_function definition.
9093
9094         * config/frv/frv.c (struct frv_io): New.
9095         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9096         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9097         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9098         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9099         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9100         (frv_reorg): Call frv_optimize_membar when appropriate.
9101         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9102         (frv_expand_builtin): Adjust calls accordingly.
9103         (frv_io_address_cookie): New function.
9104         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9105         load or store rather than a special insn.  Add ccnstant address and
9106         io-type operands to the membar.
9107         (frv_ifcvt_modify_tests): Unsign regno.
9108         (frv_ifcvt_modify_tests): Same.
9109
9110         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9111         UNSPEC_OPTIONAL_MEMBAR constant.
9112         (builtin_read_<mode>): Delete.
9113         (builtin_write_<mode>): Delete.
9114         ("optional_membar_<mode>"): Add operand.
9115
9116         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9117         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9118         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9119         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9120         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9121         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9122         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9123         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9124         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9125
9126 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9127
9128         * df.c (df_uses_record): Handle SCRATCH.
9129
9130 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9131
9132         PR debug/20161
9133         * passes.c (rest_of_decl_compilation): If decl is a type and
9134         we have encountered errors, don't emit debug information.
9135
9136 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9137
9138         * params.def: Fixed comment.
9139
9140 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9141
9142         PR target/19885
9143         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9144         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9145         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9146
9147 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9148
9149         PR c++/22003
9150         * varasm.c (assemble_start_function): Don't do anything that may
9151         require a CFG if the current function is a thunk.
9152
9153 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9154
9155         * doc/install.texi (Prerequisites): Mention that perl is needed
9156         to do export control in libstdc++ targetting Darwin.
9157
9158 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9159
9160         PR rtl-optimization/17808
9161         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9162         (sched_insns_conditions_mutex_p): Split out from...
9163         (add_dependence): ...here.  But don't call it from here.
9164         (add_dependence_list): Check sched_insns_conditions_mutex_p
9165         before calling add_dependence.
9166         (add_dependence_list_and_free): Likewise.
9167         (fixup_sched_groups): Likewise.
9168         (sched_analyze_1): Likewise.
9169         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9170         (sched_analyze): Likewise.
9171         (sched_analyze_insn): Likewise.
9172         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9173         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9174         dependencies on all COND_EXEC insns to jumps ending basic blocks
9175         when doing intrablock scheduling.
9176         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9177
9178 2005-07-27  Jeff Law  <law@redhat.com>
9179
9180         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9181         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9182         equivalency sets, correctly handle the case were vr0 has an
9183         equivalency set, but vr1 does not.
9184
9185 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9186
9187         PR tree-optimization/23073
9188         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9189         vect_print_dump_info before fprintf.
9190
9191 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9192
9193         PR tree-optimize/22348
9194         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9195         Fold the partial computation.
9196
9197 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9198
9199         PR tree-optimization/22325
9200         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9201         Declare.
9202         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9203         value replacement.
9204         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9205         (force_var_cost): ... this function.
9206         (compute_phi_arg_on_exit): Export.
9207
9208 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9209
9210         PR tree-optimization/20773
9211         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9212         edge.
9213
9214 2005-07-27  Richard Guenther  <rguenther@suse.de>
9215
9216         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9217         Avoid pushing again if current struct contains only
9218         fields we decomposed.
9219
9220 2005-07-27  Jan Hubicka  <jh@suse.cz>
9221
9222         PR tree-optimization/22574
9223         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9224         not available.
9225
9226         * tree-tailcall.c (decrease_profile): New function.
9227         (eliminate_tail_call): Use it.
9228
9229         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9230         visibility flags correctly in whole program mode.
9231
9232 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9233
9234         PR rtl-optimization/22472
9235         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9236
9237 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9238
9239         PR tree-optimization/22504
9240         * tree-complex.c (expand_complex_addition): Use 'code' instead
9241         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9242
9243 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9244
9245         * config.gcc (cpu_type): Add frv case.
9246         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9247         (supported_defaults): Add fr550 case.
9248
9249 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9250
9251         PR 22591
9252         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9253         whether a pointer of type T * may point to objects of type T *.
9254
9255 2005-07-26  DJ Delorie  <dj@redhat.com>
9256
9257         * configure: Regenerate.
9258
9259 2005-07-26  Dale Johannesen  <dalej@apple.com>
9260
9261         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9262
9263 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9264
9265         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9266         Clarify use of "build" in name.
9267
9268 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9269
9270         * doc/extend.texi (Raw read/write Functions): New section.
9271         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9272         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9273         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9274         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9275         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9276         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9277         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9278         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9279         * config/frv/frv.c: Add bdesc_loads global.
9280         Add bdesc_stores global.
9281         (frv_init_builtins): Add support for __builtin_{read/write}*.
9282         (frv_volatile_memref): New.
9283         (frv_expand_load_builtin): New.
9284         (frv_expand_store_builtin): New.
9285         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9286         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9287         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9288         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9289         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9290         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9291         (builtin_read_<mode>): New.
9292         (builtin_write_<mode>): New.
9293         (builtin_write64): New.
9294         (optional_membar_<mode>): New.
9295
9296 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9297
9298         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9299         (rather than units) against HOST_BITS_PER_WIDE_INT.
9300
9301 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9302
9303         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9304         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9305         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9306         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9307         FSF address.
9308
9309         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9310         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9311         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9312         comment typos.
9313         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9314
9315 2005-07-26  Richard Guenther  <rguenther@suse.de>
9316
9317         PR tree-optimization/22486
9318         * fold-const.c (fold_unary): Fold away useless component
9319         references of the form (T *)&T.x, if the address
9320         doesn't change.
9321
9322 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9323
9324         * dwarf2out.c (add_call_src_coords_attributes): New.
9325         (gen_inlined_subroutine_die): Call it.
9326         (maybe_emit_file, init_file_table): Add comments.
9327         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9328         maybe_emit_file.
9329         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9330         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9331         * tree.h (BLOCK_SOURCE_LOCATION): New.
9332         (struct tree_block): New field locus.
9333
9334 2005-07-26  Andreas Schwab  <schwab@suse.de>
9335
9336         PR rtl-optimization/23043
9337         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9338         when allocating a struct unoccr.
9339
9340 2005-07-25  Richard Henderson  <rth@redhat.com>
9341
9342         PR 22626
9343         * tree-complex.c (gate_no_optimization): True if errors.
9344         * Makefile.in (tree-complex.o): Update dependencies.
9345
9346 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9347
9348         * config/frv/predicates.md (integer_register_operand): Use
9349         GPR_AP_OR_PSEUDO_P.
9350
9351 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9352
9353         PR tree-opt/22484
9354         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9355         after fold.
9356         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9357
9358 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9359
9360         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9361         types when flag_unsafe_math_optimizations is true.
9362
9363 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9364
9365         * gcc.c (option_map): Add --sysroot.
9366         (process_command): Handle --sysroot.
9367         (display_help): Document it.
9368         * doc/cppopts.tex (-isysroot): Document.
9369         * doc/invoke.texi (--sysroot): Document.
9370         * doc/install.texi (--with-build-sysroot): Document.
9371
9372         * Makefile.in (inhibit_libc): New variable.
9373         (INHIBIT_LIBC_CFLAGS): Likewise.
9374         (LIBGCC2_CFLAGS): Include
9375         $(INHIBIT_LIBC_CFLAGS).
9376         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9377         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9378         ($(T)crtend.o): Likewise.
9379         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9380         ($(T)crtendS.o): Likewise.
9381         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9382         ($(T)crtendT.o): Likewise.
9383         (stmp-fixinc): Do not complain about missing headers if
9384         inhibit_libc.
9385         * configure.ac (inhibit_libc): Set it to true/false.
9386         (--with-build-sysroot): New option.  Use it to set
9387         SYSTEM_HEADER_DIR.
9388         * configure: Regenerated.
9389
9390 2005-07-25  Manfred Hollstein  <mh@suse.com>
9391
9392         * calls.c (store_one_arg): Fix unsigned comparison warning.
9393
9394 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9395
9396         PR other/22337
9397         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9398         (ggc_print_statistics): Initialize variable before use.
9399
9400 2005-07-25  Richard Guenther  <rguenther@suse.de>
9401
9402         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9403         calling with a PHI_NODE argument.
9404
9405         * tree-flow-inline.h (overlap_subvar): Protect against
9406         possible overflow.
9407
9408 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9409
9410         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9411         * configure: Regenerate.
9412
9413 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9414
9415         * expr.c (highest_pow2_factor): Make extern.
9416         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9417         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9418         record_array_differ_p, array_ptr_differ_p): Likewise.
9419         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9420         additional cases. Call the above functions.
9421         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9422         base_object_differ_p when there are two base objects. Otherwise, compare
9423         base address and offset. Call may_alias_p.
9424         (dump_data_reference): Use a correct field name.
9425         (analyze_array): Make static. Initialize new data-ref fields.
9426         (analyze_indirect_ref): New function.
9427         (init_data_ref): Initialize new data-ref fields.
9428         (strip_conversion): Moved from tree-vect-analyze.c.
9429         (analyze_offset_expr, get_ptr_offset, address_analysis,
9430         object_analysis): Likewise.
9431         (analyze_offset): New function.
9432         (create_data_ref): Likewise.
9433         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9434         dimensions for ARRAY_REFs only.
9435         (build_classic_dist_vector): Make static.
9436         (access_functions_are_affine_or_constant_p): Call macro to get the
9437         address of access functions.
9438         (compute_all_dependences): Add new parameter
9439         compute_self_and_read_read_dependences. Compute self and read-read
9440         dependences if it is true.
9441         (find_data_references_in_loop): Call create_data_ref. Initialize new
9442         data-ref fields.
9443         (compute_data_dependences_for_loop): Add new parameter
9444         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9445         compute nb_loops. Call compute_all_dependences,
9446         build_classic_dist_vector and build_classic_dir_vector with correct
9447         parameters.
9448         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9449         with correct parameters. Compare dimensions for ARRAY_REFs only.
9450         (free_data_refs): Call macro to free access functions.
9451         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9452         fields from stmt_vinfo.
9453         (struct base_object_info): New structure.
9454         (struct data_reference): Move fields to base_object_info. Add fields
9455         first_location and object_info for above structures. Move fields from
9456         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9457         aligned_to.  Add macros to access the new fields.
9458         Update functions declarations.
9459         * tree-flow.h (is_aliased_with): Declare.
9460         * tree-loop-linear.c (linear_transform_loops): Call
9461         compute_data_dependences_for_loop with correct parameters.
9462         * tree-ssa-alias.c (is_aliased_with): New function.
9463         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9464         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9465         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9466         vect_base_addr_differ_p, compute_subscript_distance and
9467         build_classic_dist_vector. Add printings. Check absolute value of
9468         distance.
9469         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9470         data-refs.
9471         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9472         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9473         to bytes. Add printing.
9474         (vect_compute_data_refs_alignment): Go through loads and stores in one
9475         loop.
9476         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9477         vect_analyze_data_ref_access): Likewise.
9478         (vect_analyze_pointer_ref_access): Remove.
9479         (vect_address_analysis, vect_object_analysis): Likewise.
9480         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9481         and analyze data-refs in the loop.
9482         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9483         fields of data-ref instead of stmt. Add init to the offset from the
9484         base.
9485         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9486         (vect_update_init_of_dr): Likewise.
9487         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9488         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9489         removed fields.
9490         (new_loop_vec_info): Initialize new fields.
9491         (destroy_loop_vec_info): Free new fields.
9492         (vect_strip_conversion): Remove.
9493         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9494         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9495         datarefs. Add new field ddrs.
9496         Add macros for the new fields access.
9497         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9498         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9499         Remove their macros.
9500         * tree.h (highest_pow2_factor): Declare.
9501
9502 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9503
9504         * calls.c (store_one_arg): Check for sibling call MEM arguments
9505         from already clobbered incoming argument area.
9506
9507 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9508
9509         * c-common.c (check_missing_format_attribute): New.
9510         * c-common.h (check_missing_format_attribute): Likewise.
9511         * c-typeck.c (convert_for_assignment): Use it.
9512
9513 2005-07-24  Andreas Schwab  <schwab@suse.de>
9514
9515         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9516         register use a word move.  Correct operand of ext.w in 68000 code.
9517
9518 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9519
9520         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9521         variables as declarations, rather than definitions.
9522
9523 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9524
9525         PR tree-optimization/22526
9526         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9527         of the zero node.
9528
9529 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9530
9531         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9532         that C99 reserve for future use. Use it to define clog10,
9533         clog10f and clog10l.
9534
9535 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9536
9537         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9538         * configure.ac: Check for -Wmissing-format-attribute.
9539
9540         * configure: Regenerate.
9541
9542 2005-07-23  Richard Henderson  <rth@redhat.com>
9543
9544         PR tree-optimization/22623
9545         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9546
9547 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9548
9549         PR target/22577
9550         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9551
9552 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9553
9554         * Makefile.in (C_TREE_H): Update dependencies.
9555         * c-tree.h: Include toplev.h.
9556         * diagnostic.h (diagnostic_set_info): Add format attribute.
9557         * rtl-error.c (diagnostic_for_asm): Likewise.
9558
9559 2005-07-23  Chao-ying Fu  <fu@mips.com>
9560
9561         * config/mips/mips-dsp.md: New file.
9562         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9563         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9564         functions.
9565         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9566         MIPS_BUILTIN_BPOSGE32.
9567         (mips_expand_builtin_direct): Add one parameter to indicate that
9568         builtin functions need to return a value.
9569         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9570         functions.
9571         (mips_regno_to_class): Add classes for 12 new DSP registers.
9572         (mips_subword): Change to check four HI registers.
9573         (mips_output_move): Output move to and from 6 new DSP accumulators.
9574         (override_options): Make sure -mdsp and -mips16 are not used together.
9575         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9576         for machine modes.
9577         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9578         when !TARGET_DSP.
9579         (print_operand): Add 'q' for printing DSP accumulators.
9580         (mips_cannot_change_mode_class): Check ACC_REGS.
9581         (mips_secondary_reload_class): Check ACC_REGS.
9582         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9583         (mips_register_move_cost): Check ACC_REGS.
9584         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9585         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9586         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9587         (dsp_bdesc): New array.
9588         (bdesc_arrays): Add DSP builtin function table.
9589         (mips_prepare_builtin_arg): Check predicate again after
9590         copy_to_mode_reg.
9591         (mips_expand_builtin): Add one more parameter to
9592         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9593         MIPS_BUILTIN_BPOSGE32.
9594         (mips_init_builtins): Initialize new function types.
9595         (mips_expand_builtin_direct): Check if builtin functions need to
9596         return a value and pass operands properly.
9597         (mips_expand_builtin_bposge): New function.
9598         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9599         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9600         (FIRST_PSEUDO_REGISTER): Increase to 188.
9601         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9602         Update for 12 new DSP registers.
9603         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9604         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9605         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9606         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9607         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9608         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9609         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9610         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9611         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9612         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9613         (REGISTER_NAMES): Add names for 12 new DSP registers.
9614         * config/mips/mips.md: Include mips-dsp.md.
9615         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9616         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9617         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9618         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9619         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9620         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9621         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9622         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9623         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9624         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9625         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9626         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9627         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9628         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9629         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9630         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9631         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9632         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9633         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9634         (UNSPEC_RDDSP): New constants.
9635         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9636         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9637         A<-d alternative.
9638         * config/mips/mips.opt (-mdsp): New option.
9639         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9640         (reg_imm10_operand): New predicates.
9641         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9642         * doc/invoke.texi (-mdsp): Document new option.
9643
9644 2005-07-22  DJ Delorie  <dj@redhat.com>
9645
9646         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9647         to warning calls.
9648         * tree-inline.c (inlinable_function_p): Likewise.
9649
9650 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9651
9652         PR debug/21828
9653         * toplev.c (check_global_declarations): Do not mark undefined
9654         variables as DECL_IGNORED_P.
9655         * varasm.c (first_global_object_name): GTY it.
9656         (weak_global_object_name): Likewise.
9657         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9658         a string to go into {weak,first}_global_object_name.
9659
9660 2005-07-22  DJ Delorie  <dj@redhat.com>
9661
9662         * c-format.c (check_function_format): Change warning control
9663         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9664
9665 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9666
9667         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9668         &PTR->FLD a dereference of PTR.
9669         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9670         a potential dereference of PTR.
9671
9672 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9673
9674         PR rtl-optimization/20370
9675         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9676         call allocate_reg_info if necessary.
9677
9678         PR rtl-optimization/21848
9679         * calls.c (emit_library_call_value_1): For const functions, add
9680         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9681
9682         PR rtl-optimization/22445
9683         * cselib.c (target.h): Include.
9684         (rtx_equal_for_cselib_p): Allow commutative matches.
9685         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9686         Remove MODE parameter.  Changed all callers.
9687
9688         PR rtl-optimization/22258
9689         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9690         New functions.
9691         (try_combine): Use likely_spilled_retval_p.
9692
9693 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9694
9695         * config.gcc: Add crx-elf support.
9696
9697         * doc/contrib.texi: Mention crx.
9698         * doc/extend.texi: Document crx extensions.
9699         * doc/install.texi: Document crx install.
9700         * doc/invoke.texi: Document crx options.
9701         * doc/md.texi: Document crx constraints.
9702
9703         * config/crx/crx-protos.h: New file.
9704         * config/crx/crx.c: New file.
9705         * config/crx/crx.h: New file.
9706         * config/crx/crx.md: New file.
9707         * config/crx/crx.opt: New file.
9708         * config/crx/t-crx: New file.
9709
9710 2005-07-22  Manfred Hollstein  <mh@suse.com>
9711
9712         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9713         warnings.
9714         (int_add_graph_edge): Likewise.
9715         (collapse_nodes): Likewise.
9716         (process_unification_queue): Likewise.
9717
9718 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9719             Laurent GUERBY  <laurent@guerby.net>
9720
9721         PR tree-optimization/22336
9722         * function.c (record_block_change): Check for
9723         cfun->ib_boundaries_block.
9724
9725 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9726
9727         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9728         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9729
9730 2005-07-21  DJ Delorie  <dj@redhat.com>
9731
9732         * toplev.c (warn_deprecated_use): Add warning control to warning
9733         call.
9734         * c-typeck.c (parser_build_binary_op): Likewise.
9735         (c_finish_if_stmt): Likewise.
9736         * c-common.c (check_function_sentinel): Likewise.
9737         (check_nonnull_arg): Likewise.
9738
9739 2005-07-21  Richard Henderson  <rth@redhat.com>
9740
9741         PR tree-opt/22504
9742         * tree-complex.c (complex_ssa_name_components): New.
9743         (cvc_lookup): Allow entry not found.
9744         (create_components): Remove.
9745         (create_one_component_var, get_component_var): New.
9746         (get_component_ssa_name, set_component_ssa_name): New.
9747         (extract_component): Use get_component_ssa_name.
9748         (update_complex_components): Use set_component_ssa_name.
9749         (update_complex_components_on_edge): Likewise.
9750         (update_phi_components): Create new PHI nodes directly, instead
9751         of adding insns to edges.
9752         (tree_lower_complex): Allocate and free complex_variable_components
9753         and complex_ssa_name_components here.
9754
9755 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9756
9757         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9758         revert to returning false.
9759
9760 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9761
9762         PR target/21149
9763         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9764
9765 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9766
9767         PR target/22576
9768         * config/i386/i386.md (cmpxf): Change operand constraints
9769         to "nonmemory_operand".
9770
9771 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9772
9773         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9774
9775 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9776
9777         PR middle-end/21180
9778         * fold-const.c (fold_build1): Add checksum for the operands.
9779         (fold_build2): Likewise.
9780         (fold_build3): Likewise.
9781
9782 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9783
9784         PR middle-end/19055
9785         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9786
9787 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9788
9789         * common.opt (-fforward-propagate): Committed by mistake,
9790         removed.
9791
9792 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9793
9794         * reg-stack.c: Fix comment typo(s).
9795         * tree-ssa-operands.c: Likewise.
9796         * tree-vectorizer: Likewise.
9797
9798 2005-07-21  Nick Clifton  <nickc@redhat.com>
9799
9800         * config/sh/symbian.c: Replace C++ style line comments with C
9801         style line comments.
9802         (symbian_add_attribute): Do not use a ? operator on the LHS of
9803         an assignment.
9804         (sh_symbian_handle_dll_attribute): Change the type of the
9805         method vector to "VEC(tree,gc)*" and use vector accessor
9806         macros to walk over the elements.
9807         (symbian_export_vtable_and_rtti_p): Likewise.
9808         (symbian_class_needs_attribute_p): Likewise.
9809
9810 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9811
9812         PR target/22085
9813         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9814         initialize targetm.resolve_overloaded_builtin here.
9815         (altivec_expand_overloaded_builtin): Make it non-static.
9816         * config/rs6000/rs6000-protos.h
9817         (altivec_expand_overloaded_builtin): New prototype.
9818         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9819         targetm.resolve_overloaded_builtin here.
9820         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9821
9822 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9823             Zdenek Dvorak  <dvorakz@suse.cz>
9824
9825         PR tree-optimization/19210
9826         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9827         New.
9828         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9829         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9830         rely on unproven assumptions.
9831         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9832         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9833         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9834         to number_of_iterations_exit.
9835         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9836         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9837         * tree-ssa-loop-niter.c (find_loop_niter,
9838         estimate_numbers_of_iterations_loop): Likewise.
9839         (number_of_iterations_exit): Honor the new options.
9840         * doc/invoke.texi (Wunsafe-loop-optimizations,
9841         funsafe-loop-optimizations): Document them.
9842
9843 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9844
9845         PR rtl-optimization/22167
9846         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9847
9848 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9849
9850         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9851         __do_global_dtors_aux longcall.
9852
9853 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9854
9855         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9856         (old_special_pred_table): Don't reference
9857         SPECIAL_MODE_PREDICATES.
9858         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9859         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9860         * config/sh/predicates.h: Don't mention
9861         SPECIAL_MODE_PREDICATES.
9862         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9863         Remove.
9864
9865 2005-07-20  DJ Delorie  <dj@redhat.com>
9866
9867         * config.gcc: Add m32c-elf support.
9868
9869         * doc/contrib.texi: Mention m32c.
9870         * doc/extend.texi: Document m32c extensions.
9871         * doc/install.texi: Mention m32c.
9872         * doc/invoke.texi: Document m32c options.
9873         * doc/md.texi: Document m32c constraints.
9874
9875         * config/m32c/addsub.md: New file.
9876         * config/m32c/bitops.md: New file.
9877         * config/m32c/cond.md: New file.
9878         * config/m32c/jump.md: New file.
9879         * config/m32c/m32c-lib1.S: New file.
9880         * config/m32c/m32c-lib2.c: New file.
9881         * config/m32c/m32c-modes.def: New file.
9882         * config/m32c/m32c-pragma.c: New file.
9883         * config/m32c/m32c-protos.h: New file.
9884         * config/m32c/m32c.abi: New file.
9885         * config/m32c/m32c.c: New file.
9886         * config/m32c/m32c.h: New file.
9887         * config/m32c/m32c.md: New file.
9888         * config/m32c/m32c.opt: New file.
9889         * config/m32c/minmax.md: New file.
9890         * config/m32c/mov.md: New file.
9891         * config/m32c/muldiv.md: New file.
9892         * config/m32c/predicates.md: New file.
9893         * config/m32c/prologue.md: New file.
9894         * config/m32c/shift.md: New file.
9895         * config/m32c/t-m32c: New file.
9896
9897 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9898
9899         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9900         (stack_protect_set, stack_protect_test): New expanders.
9901         (stack_protect_set_si, stack_protect_set_si_media,
9902         stack_protect_set_di_media, stack_protect_test_si,
9903         stack_protect_test_si_media, stack_protect_test_di_media):
9904         New insns.
9905
9906 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9907
9908         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9909
9910 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9911
9912         * tree.h (tree_expr_nonzero_p): Export.
9913         * fold-const.c (tree_expr_nonzero_p): Likewise.
9914         Return true for CALL_EXPRs that are alloca calls.
9915         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9916         against zero.
9917         * tree-flow.h (expr_computes_nonzero): Remove.
9918         * tree-vrp.c (expr_computes_nonzero): Remove.
9919         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9920         (extract_range_from_unary_expr): Likewise.
9921         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9922         tree_expr_nonzero_p.
9923
9924 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9925
9926         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9927         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9928         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9929         All callers changed.
9930         (frame_related_constant_load): New arg "related" which controls
9931         setting of RTX_FRAME_RELATED_P.  All callers changed.
9932         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9933         (bfin_expand_prologue): Add stack limit checking.
9934         * config/bfin/bfin.md (trapifcc): New pattern.
9935
9936         * config/bfin/bfin.c: Include "langhooks.h".
9937         (def_builtin): Go through lang_hooks to call builtin_function.
9938
9939         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9940         * config/bfin/predicates.md (symbol_ref_operand): New.
9941         (call_insn_operand): Delete.  All callers changed to use
9942         register_no_elim_operand.
9943         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9944         call_cookie field.
9945         (function_arg): Use it to generate the call's operand 2.
9946         (bfin_longcall_p): New function.
9947         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9948         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9949         determine if the address needs to be in a REG.
9950         (bfin_handle_longcall_attribute): New function.
9951         (bfin_attribute_table): Add "longcall" and "shortcall".
9952         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9953         (CUMULATIVE_ARGS): New member call_cookie.
9954         (PREDICATE_CODES): Add symbol_ref_operand.
9955         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9956         extra USE to the pattern.
9957         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9958         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9959         sibcall_value_insn; now the new patterns handle direct calls and the
9960         old ones indirect calls.
9961         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9962
9963 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9964
9965         * doc/trouble.texi: Update section on handling of empty loops.
9966
9967 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9968
9969         * config.gcc: Remove support for sparc-*-openbsd*,
9970         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9971         ns32k-*-netbsd*.
9972         * config.host: Remove support for i860-*-sysv4* as a host.
9973         * config/i860/*, config/ip2k/*, config/ns32k/*,
9974         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9975         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9976         mention obsolete ports.
9977
9978 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9979
9980         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9981         soft frame pointer.
9982         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9983         of frame_pointer_rtx.
9984         (sh_expand_epilogue): Likewise.
9985         (sh_set_return_address): Likewise.
9986         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9987         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9988         offsets from FRAME_POINTER_REGNUM.
9989         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9990         (sh_register_names): Add initializer for sfp.
9991         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9992         (VALID_REGISTER_P): Likewise.
9993         (FIRST_PSEUDO_REGISTER): Update.
9994         (DWARF_FRAME_REGISTERS): Define.
9995         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9996         (HARD_FRAME_POINTER_REGNUM): Define.
9997         (FRAME_POINTER_REGNUM): Redefine.
9998         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9999         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10000         from FRAME_POINTER_REGNUM.
10001         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10002         FRAME_POINTER_REGNUM.
10003         (REG_CLASS_CONTENTS): Add sfp.
10004         (REG_ALLOC_ORDER): Likewise.
10005         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10006         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10007         of frame_pointer_rtx.
10008         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10009
10010 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10011
10012         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10013         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10014         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10015         of an ABS_EXPR.
10016         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10017         ABS_EXPR<x>.
10018
10019 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10020
10021         Make CONSTRUCTOR use VEC to store initializers.
10022         * c-common.c (complete_array_type): Update to cope with VEC in
10023         CONSTRUCTOR_ELTS.
10024         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10025         (pp_c_constructor_elts): New function.
10026         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10027         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10028         struct constructor_stack, struct initializer_stack,
10029         constructor_elements, push_init_level, pop_init_level,
10030         add_pending_init, find_init_member, output_init_element): Update to
10031         cope with VEC in CONSTRUCTOR_ELTS.
10032         * coverage.c (build_fn_info_value, build_ctr_info_value,
10033         build_gcov_info): Likewise.
10034         * expr.c (categorize_ctor_elements_1, store_constructor,
10035         expand_expr_real_1): Likewise.
10036         * fold-const.c (fold_ternary): Likewise.
10037         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10038         gimplify_init_constructor, gimplify_expr): Likewise.
10039         * tree-dump.c (dequeue_and_dump): Likewise.
10040         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10041         node.
10042         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10043         CONSTRUCTOR_ELTS.
10044         * tree-sra.c (generate_element_init_1): Likewise.
10045         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10046         * tree-ssa-operands.c (get_expr_operands): Likewise.
10047         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10048         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10049         (get_initial_def_for_reduction): Likewise.
10050         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10051         value handle in annotations.
10052         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10053         tree_node_structure): Add support for constr_kind.
10054         (build_vector_from_ctor, build_constructor_single,
10055         build_constructor_from_list): New functions.
10056         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10057         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10058         Update to cope with VEC in CONSTRUCTOR_ELTS.
10059         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10060         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10061         CONSTRUCTOR_APPEND_ELT): New macros.
10062         (struct constructor_elt, struct tree_constructor): New data types.
10063         (union tree_node): Add tree_constructor field.
10064         * treestruct.def: Define TS_CONSTRUCTOR.
10065         * varasm.c (const_hash_1, compare_constant, copy_constant,
10066         compute_reloc_for_constant, output_addressed_constants,
10067         initializer_constant_valid_p, output_constant,
10068         array_size_for_constructor, output_constructor): Update to cope with
10069         VEC in CONSTRUCTOR_ELTS.
10070         * vec.h (VEC_empty, VEC_copy): New macros.
10071
10072 2005-07-19  Devang Patel  <dpatel@apple.com>
10073
10074         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10075
10076 2005-07-19  Richard Henderson  <rth@redhat.com>
10077
10078         PR tree-opt/22278
10079         * gimplify.c (gimplify_expr): Use main variant type for the temp
10080         destination for a discarded volatile read.
10081         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10082         casts between non-void types that change volatility.
10083
10084 2005-07-15  DJ Delorie  <dj@redhat.com>
10085
10086         * toplev.h: Add comment about the first parameter for warning().
10087         * errors.h: Likewise.
10088
10089         * c.opt (Wpragmas): New.
10090         * doc/invoke.texi: Document it.
10091
10092         * function.c (do_warn_unused_parameter): Add warning control to
10093         warning call.
10094         * c-decl.c (warn_if_shadowing): Likewise.
10095         * c-lex.c (cb_def_pragma): Likewise.
10096         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10097         (pop_alignment): Likewise.
10098         (handle_pragma_pack): Likewise.
10099         (apply_pragma_weak): Likewise.
10100         (handle_pragma_weak): Likewise.
10101         (handle_pragma_redefine_extname): Likewise.
10102         (add_to_renaming_pragma_list): Likewise.
10103         (handle_pragma_extern_prefix): Likewise.
10104         (maybe_apply_renaming_pragma): Likewise.
10105         (handle_pragma_visibility): Likewise.
10106
10107         * config/c4x/c4x-c.c (BAD): Likewise.
10108         (c4x_parse_pragma): Likewise.
10109         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10110         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10111         (rs6000_pragma_longcall): Likewise.
10112         * config/v850/v850-c.c (pop_data_area): Likewise.
10113         (ghs_pragma_section): Likewise.
10114         (ghs_pragma_section): Likewise.
10115         (ghs_pragma_interrupt): Likewise.
10116         (ghs_pragma_starttda): Likewise.
10117         (ghs_pragma_startsda): Likewise.
10118         (ghs_pragma_startzda): Likewise.
10119         (ghs_pragma_endtda): Likewise.
10120         (ghs_pragma_endsda): Likewise.
10121         (ghs_pragma_endzda): Likewise.
10122
10123 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10124             Kenneth Zadeck <zadeck@naturalbridge.com>
10125
10126         * Makefile.in: Removed tree-promote-statics.c
10127         * tree-promote-statics.c: Removed.
10128         * common.opt: Removed flag-promote-statics.
10129         * opts.c: Ditto.
10130         * passes.c: Removed tree-promote-statics pass.
10131         * tree-pass.h: Ditto.
10132         * timevar.def: Removed TV_PROMOTE_STATICS.
10133
10134
10135 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10136
10137         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10138         and *-*-freebsd9.
10139         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10140
10141 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10142
10143         PR c/22476
10144         * c-common.c (check_function_arguments): Call
10145         'check_function_format' if either -Wformat or
10146         -Wmissing-format-attribute are specified.
10147         * c-format.c (check_function_format): Check -Wformat before
10148         calling 'check_format_info'.
10149         * c-opts.c (c_common_post_options): Don't warn for
10150         -Wmissing-format-attribute without -Wformat.
10151         * c-typeck.c (convert_for_assignment): Detect additional cases for
10152         -Wmissing-format-attribute.
10153         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10154         behavior.
10155
10156 2005-07-19  Richard Guenther  <rguenther@suse.de>
10157
10158         * config/i386/i386.md (lrint<mode>2): Use temporary
10159         instead of clobbering non-existent memory.
10160
10161 2005-07-19  Nick Clifton  <nickc@redhat.com>
10162
10163         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10164         statement to avoid displaying ASCII control characters.
10165
10166 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10167
10168         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10169         * cfganal.c (find_edge_index): Ditto.
10170         * combine.c (combine_instructions): Ditto.
10171         * ddg.c (create_scc): Ditto.
10172         (find_successors): Ditto.
10173         (find_predecessors): Ditto.
10174         (find_nodes_on_paths): Ditto.
10175         (longest_simple_path): Ditto.
10176         * flow.c (update_life_info): Ditto.
10177         (count_or_remove_death_notes): Ditto.
10178         (clear_log_links): Ditto.
10179         * modulo-sched.c (generate_reg_moves): Ditto.
10180         (find_max_asap): Ditto.
10181         (find_max_hv_min_mob): Ditto.
10182         (find_max_dv_min_mob): Ditto.
10183         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10184         * sched-rgn.c (extract_edgelst): Ditto.
10185         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10186         (dump_update_ssa): Ditto.
10187         (ssa_names_to_replace) Ditto.
10188         (switch_virtuals_to_full_rewrite): Ditto.
10189         (update_ssa): Ditto.
10190         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10191
10192 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10193
10194         Fix PR tree-optimization/22483
10195
10196         * tree-complex.c (create_components): Use
10197         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10198         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10199         * tree-flow.h (safe_referenced_var_iterator): New structure.
10200         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10201         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10202         safe_referenced_var iterator.
10203         (add_type_alias): Ditto.
10204
10205 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10206
10207         * loop-init.c (rest_of_handle_loop2): Remove.
10208         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10209         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10210         (pass_rtl_loop_init, pass_rtl_loop_done,
10211         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10212         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10213         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10214         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10215         pass_tree_loop_done, and pass_tree_unswitch.
10216         (gate_loop): Rename to gate_tree_loop.
10217         * passes.c (init_optimization_passes): Update for renamed tree
10218         loop passes.  Add the new loop2 passes as subpasses of loop2.
10219         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10220         Update for the renamed tree loop passes.
10221
10222 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10223
10224         PR middle-end/22057
10225         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10226         blocks when optimizing.
10227
10228 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10229
10230         * common.opt (frename-registers): Initialize to 2.
10231         (fweb): Ditto.
10232         (fgcse-after-reload): Ditto.
10233         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10234         (process_options): Only change flag_web, flag_rename_registers,
10235         and flag_rerun_cse_after_loop if not explicitly set by user.
10236
10237 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10238
10239         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10240         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10241         in 64-bit mode the same as DImode in 32-bit mode.
10242         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10243         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10244         mode. Add new mode parameter.
10245         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10246         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10247         x86_64_shift_adj): New expanders.
10248         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10249         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10250         insns.
10251         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10252         DImode shift splitters.
10253         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10254         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10255         mode parameter.
10256
10257 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10258
10259         * i386.md (movdi_extzv_1): New.
10260         (zero_extendhidi2): Combine alternatives and never force use of
10261         REX64 prefix.
10262         (zero_extendqidi2): Likewise. Don't restrict input selection.
10263
10264 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10265
10266         Fix PR tree-optimization/22531
10267         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10268          moment.
10269
10270 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10271
10272         * tree-promote-statics.c (pass_promote_statics): Change dump file
10273          name.
10274
10275 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10276
10277         * tree-optimize.c (init_tree_optimization_passes): Add
10278         pass_eliminate_useless_stores pass.
10279         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10280         * tree-ssa-pre.c (is_copy_stmt): New function.
10281         (follow_copies_till_vuse): Ditto.
10282         (do_eustores): Ditto.
10283         (gate_eustores): Ditto.
10284
10285 2005-07-16  Richard Henderson  <rth@redhat.com>
10286
10287         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10288
10289 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10290            Kenneth Zadeck <zadeck@naturalbridge.com>
10291
10292         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10293         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10294         ipa-type-escape.h, tree-promote-statics.c
10295         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10296         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10297         tree-promote-statics.c: new files.
10298         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10299         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10300         int nonlocal_set_p, mark_constant_function): Deleted.
10301         (rest_of_handle_cfg): Removed call to mark_constant_function.
10302         (nonoverlapping_component_refs_p): Added calls to support
10303         type based aliasing.
10304         * tree-ssa-alias.c (may_alias_p,
10305         compute_flow_insensitive_aliasing): Ditto.
10306         * calls.c (flags_from_decl_or_type): Removed reference to
10307         cgraph_rtl_info.
10308         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10309         too many arguments.  This is necessary for Spec 2000.
10310         * cgraph.h (const_function, pure_function): Removed.
10311         * common.opt: Added "fipa-pure-const", "fipa-reference",
10312         "fipa-type-escape", and "ftree-promote-static".
10313         * opts.c: Ditto.
10314         * passes.c: Added ipa and tree-promote-statics passes.
10315         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10316         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10317         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10318         * tree-flow.h: Added exposed sra calls and addition of
10319         reference_vars_info field for FUNCTION_DECLS.
10320         * tree-pass.h: Added passes.
10321         * tree-sra.c: (sra_init_cache): New function.
10322         (sra_insert_before, sra_insert_after) Made public.
10323         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10324         and made public.
10325         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10326         aliasing. (may_alias_p): Added code to use type escape analysis to
10327         improve alias sets.
10328         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10329         code to prune clobbers of static variables based on information
10330         produced in ipa-reference pass.  Changed call clobbering so that
10331         statics are not marked as clobbered if the call does not clobber
10332         them.
10333
10334 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10335
10336         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10337         too.
10338
10339 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10340
10341         * doc/install.texi (*-*-solaris2*): Document recommended version
10342         of GNU binutils and mention GNU linker problem on Solaris 10.
10343
10344 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10345
10346         PR c/22421
10347         * c-decl.c (c_build_bitfield_integer_type): New function.
10348         (finish_struct): Call it.
10349         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10350
10351 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10352
10353         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10354         before returning.
10355
10356 2005-07-16  Jan Hubicka  <jh@suse.cz>
10357
10358         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10359         (scale_bbs_frequencies_int): Watch roundoff errors.
10360         * predict.c (return_prediction): Initialize return_stmt.
10361
10362 2005-07-16  Jan Hubicka  <jh@suse.cz>
10363
10364         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10365         after RTL profiling.
10366
10367 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10368
10369         PR middle-end/22398
10370         * fold-const.c (build_range_check): Convert high/low to etype
10371         if we are only comparing against exp.
10372
10373 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10374
10375         Fix PR tree-optimization/22376
10376         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10377         special var here.
10378         (need_to_solve): New function.
10379         (compute_points_to_sets): Use it.
10380
10381 2005-07-15  Jan Hubicka  <jh@suse.cz>
10382
10383         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10384         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10385
10386 2005-07-15  Richard Guenther  <rguenther@suse.de>
10387
10388         * c-common.c (handle_flatten_attribute): New function.
10389         Add flatten function attribute.
10390         * doc/extend.texi: Document flatten function attribute.
10391         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10392         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10393         New functions.
10394         (cgraph_decide_inlining): Handle functions with flatten
10395         attribute.
10396
10397 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10398
10399         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10400         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10401         UNSPEC_XCHG, UNSPEC_AND): New.
10402         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10403         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10404         * config/rs6000/sync.md (FETCHOP): New code macro.
10405         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10406         New code attrs.
10407         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10408         (sync_compare_and_swap<mode>): Same.
10409         (sync_lock_test_and_set<mode>): Same.
10410         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10411         for QImode and HImode, and not PPC405.
10412         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10413         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10414         (sync_<fetchop>{si,di}_internal): New.
10415         (sync_nand{si,di}_internal): New.
10416         (sync_old_<fetchop>{si,di}_internal): New.
10417         (sync_old_nand{si,di}_internal): New
10418         (sync_new_<fetchop>{si,di}_internal): New.
10419         (sync_new_nand{si,di}_internal): New.
10420         (atomic_and{si,di}): New.
10421         (sync_new_nand{si,di}_internal): New.
10422         (atomic_and{si,di}): New.
10423         (sync_add<mode>_internal): Delete.
10424         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10425         (sync_sub<mode>_internal): Delte.
10426         (sync_subshort_internal): New.
10427         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10428         (sync_anddi_internal): Delete.
10429         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10430         (sync_booldi_internal): Delete.
10431         (sync_boolc<mode>_internal): Delete.
10432         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10433         (sync_boolc<mode>_internal2): Delete.
10434         (sync_boolcc<mode>_internal): Delete.
10435         (isync, lwsync): Use unspec instead of unspec_volatile.
10436         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10437         Revert UNSPEC_VOLATILE.
10438         (rs6000_split_atomic_op): New.
10439         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10440
10441 2005-07-14  Eric Christopher  <echristo@redhat.com>
10442
10443         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10444         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10445
10446 2005-07-14  Eric Christopher  <echristo@redhat.com>
10447
10448         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10449
10450 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10451
10452         PR tree-optimization/22230
10453         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10454         the computation of the four cross productions for "range op range".
10455
10456 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10457             Ulrich Weigand  <uweigand@de.ibm.com>
10458
10459         PR target/20126
10460         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10461         in some insn.
10462
10463 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10464
10465         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10466
10467 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10468
10469         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10470
10471 2005-07-14  Richard Guenther  <rguenther@suse.de>
10472
10473         PR middle-end/22347
10474         * config/i386/i386-protos.h (ix86_function_value): Change
10475         prototype to match new target hook.
10476         * config/i386/i386.c (ix86_value_regno): Change prototype
10477         to take extra type argument.
10478         (TARGET_FUNCTION_VALUE): Define.
10479         (ix86_function_ok_for_sibcall): Pass extra argument to
10480         ix86_value_regno, check return slot rtx for exact match.
10481         (ix86_function_value): Take extra parameter.  Dispatch to
10482         ix86_value_regno with fndecl/fntype as provided.
10483         (ix86_value_regno): Handle extra type argument.
10484         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10485
10486         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10487         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10488         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10489         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10490         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10491
10492 2005-07-14  Richard Guenther  <rguenther@suse.de>
10493
10494         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10495         * calls.c (expand_call): Pass fntype to hard_function_value.
10496         (emit_library_call_value_1): Likewise.
10497         * explow.c: Include target.h.
10498         (hard_function_value): Take extra argument, the fntype.
10499         Use new target hook for function_value.
10500         * expr.h (hard_function_value): Change prototype.
10501         * function.c (aggregate_value_p): Pass 0 as fntype to
10502         hard_function_value.
10503         (assign_parms): Use new target hook for function_value.
10504         Pass 0 as fntype to hard_function_value.
10505         (expand_function_end): Likewise.
10506         * reg-stack.c: Include target.h.
10507         (stack_result): Use new target hook for function_value.
10508         * target-def.h: New target hook function_value.
10509         * target.h: Likewise.
10510         * targhooks.c (default_function_value): New function.
10511         * targhooks.h (default_function_value): Declare.
10512
10513 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10514
10515         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10516
10517 2005-07-14  Jan Hubicka  <jh@suse.cz>
10518
10519         * tree-dfa.c (dump_variable): Use default_def function.
10520         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10521         * tree-ssa.c (verify_use): Likewise.
10522         * tree-ssanames.c (release_ssa_name): Likewise.
10523         * tree-tailcall.c (eliminate_tail_call): Likewise.
10524         (tree_optimize_tail_calls_1): Likewise.
10525         * tree-vrp.c (get_value_range): Likewise.
10526
10527 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10528
10529         * gcc.c (main): Compare language[0] with '*' when iterating over
10530         the infiles.
10531
10532 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10533
10534         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10535         "s390_emit_compare".  Add handling of CCZ1mode.
10536         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10537         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10538         checking.
10539         (s390_branch_condition_mask): Add CCZ1mode handling.
10540         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10541         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10542         Use CCZ1mode instead of CCZmode.
10543         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10544
10545 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10546
10547         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10548         pattern.
10549         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10550
10551 2005-07-13  Eric Christopher  <echristo@redhat.com>
10552
10553         * config/mips/mips.c (mips_canonicalize_comparison): New.
10554         (mips_emit_int_relational): Use.
10555
10556 2005-07-13  Eric Christopher  <echristo@redhat.com>
10557
10558         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10559         static extra parts.
10560         * config/s390/s390.md: Include tpf.md. Move tpf specific
10561         patterns...
10562         * config/s390/tpf.md: To here.
10563         * config/s390/s390.opt: Move tpf specific options...
10564         * config/s390/tpf.opt: to here. Add mmain option.
10565         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10566         * config/s390/tpf.h: Rewrite.
10567
10568 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10569
10570         * doc/tm.texi: Remove @xref{Cross-profiling}.
10571
10572 2005-07-13  Jeff Law  <law@redhat.com>
10573
10574         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10575         expressions, test their _DECL operands for pointer equality rather
10576         than using operand_equal_p.
10577
10578 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10579
10580         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10581         (TARGET_POSIX_IO): This.
10582         * config/darwin.h: Likewise.
10583         * config/freebsd.h: Likewise.
10584         * config/linux.h: Likewise.
10585         * config/lynx.h: Likewise.
10586         * config/netbsd.h: Likewise.
10587         * config/rs6000/linux64.h: Likewise.
10588         * config/rs6000/linux.h: Likewise.
10589         * config/s390/tpf.h: Likewise.
10590         * config/sh/embed-elf.h: Likewise.
10591         * config/sparc/linux64.h: Likewise.
10592         * config/sparc/linux.h: Likewise.
10593         * config/svr4.h: Likewise.
10594         * gcov-io.h: Likewise.
10595
10596         * doc/tm.texi: Updated.
10597
10598         * libgcov.c (create_file_directory): Defined only if
10599         TARGET_POSIX_IO is defined.
10600         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10601         is defined.
10602
10603 2005-07-13  Jan Hubicka  <jh@suse.cz>
10604
10605         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10606
10607 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10608
10609         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10610         structure as argument.
10611
10612 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10613
10614         PR tree-optimization/21921
10615         * tree-iterator.c (tsi_link_before): Support the case when
10616         tsi_end_p (tsi) == true.
10617
10618 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10619
10620         PR tree-optimization/22442
10621         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10622         correctly.
10623
10624 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10625
10626         PR rtl-optimization/20376
10627         * toplev.c (process_options): Enable -fweb and -frename-registers when
10628         unrolling.
10629         * doc/invoke.texi: Update the information about when -fweb and
10630         -frename-registers are enabled.
10631
10632 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10633
10634         PR tree-opt/21840
10635         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10636         if *rhs_p is not a SSA_NAME.
10637
10638 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10639
10640         Fix PR tree-optimization/22422
10641         * tree-ssa-structalias.c (struct variable_info): Add flag for
10642         special vars.
10643         (get_varinfo): Now a static function.
10644         (new_varinfo): init has_union and is_special_var to false.
10645         (solution_set_add): Check has_union.
10646         (do_da_constraint): Move temporary variable so it gets reset
10647         properly.
10648         Also check for special variable.
10649         (do_ds_constraint): Ditto.
10650         (do_sd_constraint): Ditto.
10651         (do_structure_copy): Check for special variable.
10652         (find_func_aliases): Ditto.
10653         (init_base_vars): Set special vars properly.
10654
10655 2005-07-13  Jan Hubicka  <jh@suse.cz>
10656
10657         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10658         do unit-at-a-time.
10659
10660         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10661         (get_expr_operands): Fix thinko wrt flags and subvars.
10662
10663         PR tree-optimize/22379
10664         * tree-inline.c (expand_call_inline): Do not output sorry in early
10665         inlining.
10666
10667 2005-07-12  Dale Johannesen  <dalej@apple.com>
10668
10669         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10670
10671 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10672
10673         PR bootstrap/21704
10674         * host-linux.h: Include limits.h.
10675
10676 2005-07-12  Dale Johannesen  <dalej@apple.com>
10677
10678         * expr.c (compress_float_constant):  Add cost check.
10679         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10680
10681 2005-07-12  Dale Johannesen  <dalej@apple.com>
10682
10683         * gcc.target/i386/compress-float-sse.c:  New.
10684         * gcc.target/i386/compress-float-sse-pic.c:  New.
10685         * gcc.target/i386/compress-float-387.c:  New.
10686         * gcc.target/i386/compress-float-387-pic.c:  New.
10687         * gcc.dg/compress-float-ppc.c:  New.
10688         * gcc.dg/compress-float-ppc-pic.c:  New.
10689
10690 2005-07-12  Eric Christopher  <echristo@redhat.com>
10691
10692         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10693         static extra parts.
10694         * config/s390/s390.md: Include tpf.md. Move tpf specific
10695         patterns...
10696         * config/s390/tpf.md: To here.
10697         * config/s390/s390.opt: Move tpf specific options...
10698         * config/s390/tpf.opt: to here. Add mmain option.
10699         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10700         * config/s390/tpf.h: Rewrite.
10701
10702 2005-07-12  Eric Christopher  <echristo@redhat.com>
10703
10704         * gcc.c (struct infile): Update comment for language.
10705         (main): Rewrite input file resetting code.
10706
10707 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10708
10709         PR tree-opt/22335
10710         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10711         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10712         (lookup_avail_expr): Use constant_boolean_node instead
10713         of boolean_false_node/boolean_true_node.
10714
10715 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10716
10717         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10718         and use it when printing num_edges.
10719
10720 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10721
10722         * doc/extend.texi (Blackfin Built-in Functions): New section.
10723         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10724         @opindex.
10725
10726 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10727
10728         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10729         s/cmpstrsi/cmpstrnsi
10730         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10731         'cmpstrnsi'.
10732         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10733         (init_optabs): Initialize cmpstrn_optab.
10734         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10735         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10736         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10737         * config/i386/i386.md: s/cmpstr/cmpstrn
10738         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10739         * doc/md.texi: Update documentation.
10740
10741 2005-07-11  Richard Henderson  <rth@redhat.com>
10742
10743         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10744         build_va_arg_indirect_ref.
10745         (alpha_gimplify_va_arg): Likewise.
10746         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10747         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10748         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10749         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10750         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10751         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10752         Likewise.
10753         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10754
10755 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10756
10757         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10758         * passes.c (init_optimization_passes): Add pass_empty_loop.
10759         * tree-pass.h (pass_empty_loop): Declare.
10760         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10761         try_remove_empty_loop, remove_empty_loops): New functions.
10762         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10763         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10764
10765 2005-07-12  Peter Barada  <peter@the-baradas.com>
10766
10767         PR middle-end/16719
10768         PR middle-end/18421
10769         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10770         in address registers.
10771         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10772         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10773         alternative of addsi3_5200.
10774
10775 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10776
10777         * config/mips/mips.md (ffs<mode>2): Remove.
10778
10779 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10780
10781         * doc/tree-ssa.texi (Cleanups): Improve description of
10782         TRY_FINALLY_EXPR.
10783         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10784
10785 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10786
10787         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10788         * tree.h (DECL_ARGUMENT_FLD): New macro.
10789
10790 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10791
10792         Fix PR tree-optimization/22404
10793
10794         * tree-ssa-structalias.c (create_variable_info_for): Use
10795         correct offset.
10796
10797 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10798
10799         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10800         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10801         for second comparison operand.
10802         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10803
10804         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10805         (define_insn_reservation "alu"): Likewise.
10806         (csync, ssync): Now of type sync.
10807         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10808         -mcsync-anomaly -mspecld-anomaly.
10809         * config/bfin/bfin.opt (mcsync): Remove.
10810         (mcsync-anomaly, mspecld-anomaly): Add.
10811         * config/bfin/bfin.c: Include "insn-codes.h".
10812         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10813         (TARGET_DEFAULT_TARGET_FLAGS): New.
10814         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10815
10816 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10817
10818         * basic-block.h: Give the BB flags enum a name, bb_flags.
10819         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10820         * cfgcleanup.c (enum bb_flags): Remove here.
10821         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10822         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10823         (update_forwarder_flag): Likewise.
10824         (thread_jump): Likewise.
10825         (try_forward_edges): Likewise.
10826         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10827         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10828         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10829
10830 2005-07-11  Richard Guenther  <rguenther@suse.de>
10831
10832         * config/i386/i386.opt: New target option -msseregparm.
10833         * config/i386/i386.c (override_options): Error out for
10834         -msseregparm but no SSE support.
10835         (ix86_function_sseregparm): Check for global sseregparm.
10836         * doc/invoke.texi: Document -msseregparm.
10837
10838 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10839
10840         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10841         (m32rle-*-linux*): Ditto.
10842
10843 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10844
10845         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10846         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10847         bytes.
10848
10849 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10850
10851         PR middle-end/22239
10852         PR target/20126
10853         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10854         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10855
10856 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10857
10858         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10859         (varmap): Heapify varmap.
10860         (constraints): Heapify constraints.
10861         (struct constraint_graph): Heapify succs and preds.
10862         (constraint_vec_find): Update for heapification.
10863         (constraint_set_union): Ditto.
10864         (insert_into_complex): Ditto.
10865         (constraint_edge_vec_find): Ditto.
10866         (erase_graph_self_edge): Ditto.
10867         (add_graph_edge): Ditto.
10868         (get_graph_weights): Ditto.
10869         (merge_graph_nodes): Ditto.
10870         (build_constraint_graph): Ditto.
10871         (topo_visit): Ditto.
10872         (solve_graph): Ditto.
10873         (create_variable_info_for): Ditto.
10874         (init_base_vars): Ditto.
10875         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10876         (condese_varmap_nodes): Free complex vector.
10877         (clear_edges_for_node): Clear succs and preds vector.
10878
10879 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10880
10881         * tree-ssa-structalias.c (update_alias_info): Change counting of
10882         references to not include vdefs.
10883
10884 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10885
10886         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10887         (up_insert): Ditto.
10888
10889 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10890
10891         * pa.c (pa_commutative_p): Make PLUS commutative when
10892         TARGET_NO_SPACE_REGS is true.
10893
10894 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10895
10896         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10897         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10898         * tree-dfa.c (dump_subvars_for): New.
10899         (debug_subvars_for): New.
10900         (dump_variable): Show subvariables if VAR has them.
10901         * tree-flow-inline.h (get_subvar_at): New.
10902         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10903         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10904         Update all users.
10905         (struct subvar): Change fields offset and size to unsigned
10906         HOST_WIDE_INT.
10907         (dump_subvars_for): Declare.
10908         (debug_subvars_for): Declare.
10909         (get_subvar_at): Declare.
10910         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10911         to unsigned HOST_WIDE_INT *.
10912         (overlap_subvar): Likewise.
10913         * tree-gimple.c (is_gimple_reg): Always return false for
10914         SFTs and memory tags.
10915         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10916         Update all callers.
10917         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10918         (compute_may_aliases): Call compute_points_to_sets.
10919         (collect_points_to_info_for): Remove.
10920         (compute_points_to_and_addr_escape): Remove.
10921         (delete_alias_info): Call delete_points_to_sets.
10922         (compute_flow_sensitive_aliasing): If the call to
10923         find_what_p_points_to returns false, call set_pt_anything.
10924         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10925         (set_pt_anything): Clear pi->pt_vars.
10926         (set_pt_malloc): Remove.
10927         (merge_pointed_to_info): Remove.
10928         (add_pointed_to_expr): Remove.
10929         (add_pointed_to_var): Remove.
10930         (collect_points_to_info_r): Remove.
10931         (is_escape_site): Make extern.
10932         (create_sft): New.
10933         (create_overlap_variables_for): Call it.
10934         * tree-ssa-copy.c (merge_alias_info): Never merge
10935         flow-sensitive alias information.
10936         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10937         offset and size to be unsigned HOST_WIDE_INT.
10938         (add_to_addressable_set): Rename from note_addressable.
10939         Set TREE_ADDRESSABLE as the variables are added to the set.
10940         Update all users.
10941         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10942         operands into VUSEs when adding V_MAY_DEFs for members in an
10943         alias set.
10944         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10945         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10946         (struct variable_info): Add bitfield is_heap_var.
10947         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10948         (new_var_info): Initialize is_heap_var.
10949         (get_constraint_for): Add HEAP variables to the symbol table.
10950         Mark them with is_heap_var.
10951         (update_alias_info): New.  Taken mostly from the old
10952         compute_points_to_and_addr_escape.
10953         (handle_ptr_arith): New.
10954         (find_func_aliases): Call update_alias_info.
10955         Call handle_ptr_info for tcc_binary expressions.
10956         Call mark_stmt_modified.
10957         (create_variable_info_for): If DECL has subvars, do not create
10958         variables for its subvars.  Always add all the fields.
10959         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10960         SFTs, then add all the SFTs of the structure.
10961         If VI->DECL is an aggregate with subvariables, add the SFT at
10962         VI->OFFSET.
10963         (find_what_p_points_to): If VI is an artificial variable,
10964         translate to bitfields in SSA_NAME_PTR_INFO.
10965         If the solution is empty, set pi->pt_vars to NULL
10966         (init_base_vars): Create ANYOFFSET.
10967         (compute_points_to_sets): Rename from create_alias_vars.
10968         Make extern.
10969         (pass_build_pta): Remove.
10970         (delete_points_to_sets): Rename from delete_alias_vars.
10971         (pass_del_pta): Remove.
10972         * tree-ssa-structalias.h (struct alias_info): Move from
10973         tree-ssa-alias.h.
10974         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10975         NUM_REFERENCES_SET): Likewise.
10976         (compute_points_to_sets, delete_points_to_sets): Declare.
10977
10978 2005-07-09  Richard Henderson  <rth@redhat.com>
10979
10980         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10981         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10982         alpha_split_lock_test_and_set_12): New functions.
10983         * config/alpha/alpha-protos.h: Update.
10984         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10985         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10986         * config/alpha/sync.md (I12MODE): New.
10987         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10988         (sync_<fetchop_name><I48MODE>): Likewise.
10989         (sync_nand<I48MODE>): Likewise.
10990         (sync_old_<fetchop_name><I48MODE>): Likewise.
10991         (sync_new_<fetchop_name><I48MODE>): Likewise.
10992         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10993         (sync_compare_and_swap<I48MODE>): Likewise.
10994         (sync_lock_test_and_set<I48MODE>): Likewise.
10995         (sync_compare_and_swap<I12MODE>): New.
10996         (sync_compare_and_swap<I12MODE>_1): New.
10997         (sync_lock_test_and_set<I12MODE>): New.
10998         (sync_lock_test_and_set<I12MODE>_1): New.
10999
11000 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11001
11002         PR 21356
11003         PR 22332
11004         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11005
11006 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11007
11008         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11009         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11010
11011 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11012
11013         PR target/21656
11014         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11015
11016 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11017
11018         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11019         memory_operand constraint.
11020         (store_conditional_<mode>): Same.
11021         (sync_compare_and_swap<mode>): Same.
11022         (sync_lock_test_and_set<mode>): Same.
11023
11024 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11025
11026         Rewrite PIC support to more closely model actual instructions.
11027         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11028         (cris_symbol): Remove prototypes for removed functions.
11029         (cris_pic_symbol_type_of, cris_valid_pic_const)
11030         (cris_expand_pic_call_address): Prototypes for new functions.
11031         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11032         variable.
11033         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11034         modifiers.
11035         <case ':'>: Add case for new punctuation character.
11036         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11037         emitting (extra) PIC modifier.
11038         <case UNSPEC>: Do not assert for PLT.
11039         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11040         (cris_expand_prologue, cris_expand_epilogue): Check
11041         for pic_offset_table_rtx usage instead of taking
11042         current_function_uses_pic_offset_table as the final word.
11043         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11044         Remove flag_pic difference.
11045         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11046         the moral equivalents of...
11047         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11048         functions.
11049         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11050         (cris_handle_option): Mark ARG as unused.
11051         (cris_expand_pic_call_address): New worker function for "call",
11052         "call_value".
11053         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11054         output PIC constructs here.
11055         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11056         as symbol-specific modifers, not whole or part of operands.
11057         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11058         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11059         constants and flag_pic.
11060         (CONSTANT_INDEX_P): Adjust for new functions.
11061         (enum cris_pic_symbol_type): New helper type.
11062         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11063         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11064         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11065         define_constants.
11066         ("movsi"): Emit actual instructions for GOT and relative access.
11067         ("*movsi_got_load"): New pattern to set up the register holding
11068         the GOT pointer.
11069         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11070         Adjust FIXME for 'S'.
11071         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11072         Use "movs" for -fpic cases.
11073         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11074         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11075         ("call", "call_value"): Just call cris_expand_pic_call_address for
11076         PIC addresses.
11077         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11078         Remove special pattern.
11079         ("*expanded_call_side", "*expanded_call_value_side"): New
11080         patterns.
11081         (gotplt-to-plt, gotplt-to-plt-side-call)
11082         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11083         peephole2:s.
11084         * config/cris/cris/predicates.md
11085         ("cris_general_operand_or_gotless_symbol"): Remove unused
11086         predicate.
11087         ("cris_general_operand_or_symbol"): Adjust for new functions.
11088
11089 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11090
11091         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11092
11093 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11094
11095         * Makefile.in (TREE_H): Add treestruct.def.
11096         (c-decl.o): Add pointer-set.h
11097         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11098         visibility on regular DECL's.
11099         (merge_decls): Fix the copying of decl nodes of various types for
11100         the new structures.  Don't update RTL, section name, weak status,
11101         etc, on DECL's without RTL.
11102         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11103         Don't check volatile on non-variable types.
11104         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11105         to check whether we have seen arguments.
11106         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11107         flag is checked before field (flag is common, field is not).
11108         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11109         TS_DECL_COMMON could have an origin.
11110         (add_location_or_const_value_attribute): Don't check section name
11111         on non-var/function decls.
11112         (dwarf2out_var_location): Reverse order of tests.
11113         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11114         with DECL_WRTL_CHECK.
11115         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11116         * fold-const.c (fold_binary): Don't check weakness on
11117         non-var/function decls.
11118         (tree_expr_nonzero_p): Ditto.
11119         (fold_checksum_tree): Use tree_decl_extra as sizeof
11120         buffer.
11121         * ggc-page.c (extra_order_size_table): Add sizes for
11122         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11123         tree_field_decl.
11124         * gimplify.c (gimplify_bind_expr): Only set
11125         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11126         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11127         without RTL.
11128         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11129         * langhooks.h (init_ts). New langhook.
11130         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11131         * print-tree.c (print_node): Update to only print fields that
11132         exist in the structures the passed decl has.
11133         * toplev.c (wrapup_global_declarations): Don't reset
11134         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11135         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11136         * tree-inline.c (remap_decl): Ditto.
11137         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11138         * tree-pretty-print.c (print_declaration): Don't print
11139         DECL_REGISTER on things that don't contain it.
11140         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11141         non-var/function decls.
11142         * tree.c (tree_contains_struct): New structure.
11143         (init_priority_for_decl): New hashtable.
11144         (tree_int_map): New structure.
11145         (tree_int_map_eq): New function.
11146         (tree_int_map_marked_p): Ditto.
11147         (tree_int_map_hash): Ditto.
11148         (tree_map): Move to tree.h.
11149         (tree_map_eq): Externalize.
11150         (tree_map_hash): Ditto.
11151         (tree_map_marked_p): Ditto.
11152         (init_ttree): Set up tree_contains_struct and call langhook.
11153         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11154         (tree_code_size): Update for new structures.
11155         (tree_node_structure): Update for new structures.
11156         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11157         without the field.
11158         (copy_node_stat):  Copy init priority.
11159         (build_decl_stat): Ditto for visibility.
11160         (ts_enum_names): New.
11161         (tree_contains_struct_check_failed): New function.
11162         (decl_init_priority_lookup): Ditto.
11163         (decl_init_priority_insert): Ditto.
11164         * treestruct.def: New file.
11165         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11166         (CONTAINS_STRUCT_CHECK): Ditto.
11167         (tree_contains_struct_check_failed): New prototype.
11168         (DECL_CHECK): Removed.
11169         (DECL_MINIMAL_CHECK): New.
11170         (DECL_COMMON_CHECK): Ditto.
11171         (DECL_WRTL_CHECK): Ditto.
11172         (DECL_NON_COMMON_CHECK): Ditto.
11173         (DECL_WITH_VIS_CHECK): Ditto.
11174         (VAR_OR_FUNCTION_DECL_P): Ditto
11175         (struct tree_decl_minimal): New structure.
11176         (struct tree_decl_common): Ditto.
11177         (struct tree_decl_with_rtl): Ditto.
11178         (struct tree_decl_with_vis): Ditto.
11179         (struct tree_decl_non_common): Ditto.
11180         (struct tree_field_decl): Ditto.
11181         (struct tree_parm_decl): Ditto.
11182         (struct tree_var_decl): Ditto.
11183         (struct tree_function_decl): Ditto.
11184         (struct tree_const_decl): Ditto.
11185         (struct tree_result_decl): Ditto.
11186         (union tree_node): Add new structures.
11187         * var-tracking.c (track_expr_p): Reverse order of tests.
11188
11189         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11190
11191 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11192
11193         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11194         * system.h: Poison FINALIZE_PIC.
11195         * doc/tm.texi (FINALIZE_PIC): Remove.
11196
11197 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11198
11199         PR tree-opt/22329
11200         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11201         to the correct type if we have a MODIFY_EXPR.
11202
11203 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11204
11205         PR tree-optimization/22360
11206         * tree.c (upper_bound_in_type): Fix calculations for casting
11207         to a non-wider signed type and casting a signed value to a
11208         wider unsigned type.
11209         (lower_bound_in_type): Fix calculations for casting to a
11210         non-wider signed type.
11211
11212         PR tree-optimization/20139
11213         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11214         release_defs.
11215         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11216         fold_cond_expr_cond.
11217         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11218         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11219
11220 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11221
11222         PR tree-opt/22356
11223         * tree-complex.c (expand_complex_libcall): Produce
11224         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11225
11226 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11227
11228         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11229         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11230         b" assert and inserted fastpath code for this case.
11231         (bitmap_ior): Removed "a != b" assert.
11232
11233 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11234
11235         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11236         (ENDFILE_SPEC): Likewise.
11237         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11238
11239         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11240         a large stack frame at epilogue.
11241
11242 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11243
11244         * final.c: Include sdbout.h when required.
11245
11246 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11247
11248         * config.gcc (*-*-darwin*): Only one target-specific header file
11249         for generic darwin.
11250         (powerpc-*-darwin*): Add version-specific header files.
11251         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11252         * config.in: Regenerate.
11253         * configure: Regenerate.
11254         * gcc.c: Include xregex.h.
11255         (version_compare_spec_function): New.
11256         (spec_function): Add version-compare.
11257         (replace_outfile_spec_function): Reformat comment.
11258         (compare_version_strings): New.
11259         * config/darwin-c.c (version_as_macro): New.
11260         (builtin_define): New.
11261         (darwin_cpp_builtins): New.
11262         * config/darwin-protos.h (darwin_cpp_builtins): New.
11263         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11264         (LIB_SPEC): Make unconditional, update comment.
11265         (TARGET_C99_FUNCTIONS): Define.
11266         * config/darwin.opt: Sort.
11267         (mmacosx-version-min=): New.
11268         * config/darwin7.h: Delete.
11269         * config/darwin8.h: Delete.
11270         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11271         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11272         (TARGET_C99_FUNCTIONS): Define.
11273         * config/rs6000/darwin7.h: New.
11274         * config/rs6000/darwin8.h: New.
11275         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11276         (-mmacosx-version-min): Document.
11277
11278 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11279
11280         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11281
11282 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11283
11284         PR middle-end/22239
11285         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11286
11287 2005-07-07  Khem Raj  <kraj@mvista.com>
11288
11289         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11290         in bytes, not words.
11291
11292 2005-07-07  Paul Brook  <paul@codesourcery.com>
11293
11294         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11295         DEFAULT_FUNCTION_ARG_PADDING to upward.
11296
11297 2005-07-07  Richard Henderson  <rth@redhat.com>
11298
11299         * function.c (locate_and_pad_parm): Record parameter alignment in
11300         stack_alignment_needed.
11301
11302 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11303
11304         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11305         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11306         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11307         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11308         (define_attr "type"): Add isync, sync, load_l, store_c.
11309         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11310         Create scratch volatile MEM.
11311         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11312         sync.
11313         (load_locked_<mode>): New.
11314         (store_conditional_<mode>): New.
11315         (sync_compare_and_swap<mode>): Replace with splitter.
11316         (sync_lock_test_and_set<mode>): Replace with splitter.
11317         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11318         and UNSPECV_ISYNC.
11319         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11320         is ics.  Attribute isync.
11321         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11322         lwsync.
11323         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11324         and UNSPECV_SYNC_OP.
11325         (emit_unlikely_jump): New.
11326         (emit_load_locked): New.
11327         (emit_store_conditional): New.
11328         (rs6000_split_compare_and_swap): New.
11329         (rs6000_split_lock_test_and_set): New.
11330         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11331         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11332         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11333         rs6000_split_lock_test_and_set): Declare.
11334         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11335         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11336         store_c, isync, sync.
11337
11338 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11339
11340         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11341         filenames to gtyp-gen.h.
11342         (s-typ-gen): Use it in place of for loops.
11343
11344 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11345
11346         * hooks.c (hook_bool_rtx_int_false): New function.
11347         * hooks.h (hook_bool_rtx_int_false): Declare.
11348         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11349         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11350         * target.h (struct gcc_target): Add commutative_p member.
11351         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11352         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11353         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11354         (pa_commutative_p): New function.
11355         * jump.c (target.h): Include.
11356         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11357         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11358
11359 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11360
11361         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11362         (s390_expand_setmem): New.
11363         * config/s390/s390.c: Likewise.
11364         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11365         Adapt comments.
11366         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11367         general_operand.  Call new function "s390_expand_setmem".
11368         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11369         ("setmem_long", "*setmem_long"): ... this.
11370
11371 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11372
11373         * config/s390/s390.c: (optimization_options): Enable
11374         TARGET_MVCLE at -Os.
11375         * doc/invoke.texi: Document changes in default behaviour.
11376         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11377
11378 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11379
11380         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11381         defined by back-end.
11382
11383 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11384
11385         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11386         all sets in the pattern.
11387         * config/rs6000/rs6000.md (stack_protect_testsi,
11388         stack_protect_testdi): Likewise.
11389
11390 2005-07-06  Jeff Law  <law@redhat.com>
11391
11392         * tree-vrp.c (simplify_using_ranges): Kill.
11393         (vrp_finalize): Remove call to simplify_using_ranges.
11394         (simplify_stmt_using_ranges): New function extracted from
11395         simplify_using_ranges.
11396         (simplify_div_or_mod_using_ranges): Likewise.
11397         (simplify_abs_using_ranges): Likewise.
11398         (simplify_cond_using_ranges): New function.
11399         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11400         * tree-ssa-propagate.c (substitute_and_fold): Call
11401         simplify_stmt_using_ranges if we have range information.
11402
11403 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11404
11405         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11406         ia64_flag_schedule_isns2.
11407
11408         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11409         reading/writing general registers.
11410         (ia64_function_arg): Revert 2005-06-18 change.
11411
11412 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11413
11414         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11415         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11416
11417 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11418
11419         * function.c (expand_function_end): Revert part of 2005-06-27
11420         patch.  Do sjlj_emit_function_exit_after after return_label.
11421
11422 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11423
11424         * doc/install.texi (--disable-libssp): New.
11425
11426 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11427
11428         * doc/invoke.texi: Update -fforce-mem documentation.
11429         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11430         code for -fforce-mem.
11431         * expmed.c: (store_bit_field,store_fixed_bit_field,
11432         extract_bit_field): Ditto.
11433         * expr.c: (convert_move): Ditto.
11434         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11435         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11436         emit_conditional_add,expand_float,expand_fix): Ditto.
11437         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11438         (common_handle_option): Issue warning when -fforce-mem specified.
11439
11440 2005-07-06  Paul Brook  <paul@codesourcery.com>
11441
11442         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11443         argument is empty.
11444         * configure: Regenerate.
11445
11446 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11447
11448         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11449
11450 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11451
11452         Fix PR tree-optimization/22319
11453         Fix PR tree-optimization/22140
11454         Fix PR tree-optimization/22310
11455
11456         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11457         variable sized types.
11458         Use correct type for intermediate structure on *a = *b structure
11459         copies.
11460
11461 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11462
11463         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11464         Remove.
11465         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11466         (machine_function): Move typedef to...
11467         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11468         varargs_save_offset field.
11469         (rs6000_stack_t): Remove varargs_size field.
11470         (setup_incoming_varargs): Allocate varargs save area using
11471         assign_stack_local, try to make it as small as possible.
11472         Save offset from virtual_stack_vars_rtx to the save area
11473         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11474         instead of magic 8 when fp word byte size is used.
11475         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11476         instead of -RS6000_VARARGS_SIZE.
11477         (rs6000_stack_info, debug_stack_info,
11478         rs6000_initial_elimination_offset): Remove all traces of
11479         varargs_size.
11480         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11481         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11482         RS6000_VARARGS_AREA.
11483
11484 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11485
11486         PR tree-optimization/21963
11487         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11488         constant_multiple_of in the same way get_computation_cost_at does.
11489
11490 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11491
11492         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11493         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11494         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11495         and return its previous value.
11496         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11497         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11498         constants.
11499         (stack_protect_set, stack_protect_test): New expanders.
11500         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11501         stack_protect_testdi): New insns.
11502         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11503         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11504
11505 2005-07-06  Jeff Law  <law@redhat.com>
11506
11507         * tree-ssa-dce.c (cfg_altered): New global.
11508         (tree_dce_init): Initialize cfg_altered.
11509         (remove_dead_stmt): If we remove an edge in the CFG, then set
11510         CFG_ALTERED.
11511         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11512         the dominators.
11513
11514 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11515
11516         * Makefile.in (stamp-collect-ld): Use
11517         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11518         ./collect-ld if it already exists.
11519         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11520         Don't remove ./nm if it already exists.
11521
11522 2005-07-05  Devang Patel  <dpatel@apple.com>
11523
11524         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11525         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11526         * tree-vectorizer.c (vect_loop_location): New.
11527         (vect_print_dump_info): Use vect_loop_location.
11528         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11529         (vectorize_loops): Set vect_loop_location.
11530         * tree-vect-analyze.c (vect_analyze_offset_expr,
11531         vect_determin_vectorization_factor, vect_analyze_operations,
11532         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11533         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11534         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11535         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11536         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11537         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11538         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11539         vect_analyze_loop): Adjust vect_print_dump_info API.
11540         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11541         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11542         vect_finish_stmt_generation, vectorizable_assignment,
11543         vectorizable_operation, vectorizable_store, vectorizable_load,
11544         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11545         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11546         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11547         vect_transform_loop): Same.
11548         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11549         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11550         Same.
11551
11552 2005-07-05  Randolph Chung  <tausq@debian.org>
11553
11554         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11555         * configure: Regenerate.
11556         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11557         (pa_tls_referenced_p): Declare.
11558         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11559         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11560         (legitimize_tls_address): New.
11561         (hppa_legitimize_address): Handle TLS addresses.
11562         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11563         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11564         (emit_move_sequence): Handle TLS addresses.
11565         (pa_encode_section_info): Call default handler to handle common
11566         sections.
11567         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11568         (CONSTANT_ADDRESS_P): Reject TLS operands.
11569         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11570         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11571         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11572         (UNSPEC_TLSLE): Define new constants.
11573         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11574         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11575         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11576         (tie_symbolic_operand, tle_symbolic_operand): New
11577
11578 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11579
11580         * aclocal.m4: Update macros for autoconf 2.59 style.
11581         * configure.ac: Likewise.
11582
11583 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11584
11585         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11586         (function_arg): Pass small aggregates in general registers on 32-bit
11587         targets.
11588         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11589
11590 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11591
11592         * Makefile.in (final.o): Fix dependencies.
11593
11594 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11595
11596         PR c/22013
11597         PR c/22098
11598         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11599         * langhooks.c (lhd_expr_to_decl): New.
11600         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11601         New.
11602         (LANG_HOOKS_INITIALIZER): Update.
11603         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11604         expr_to_decl langhook.
11605         * c-tree.h (c_expr_to_decl): Declare.
11606         * c-typeck.c (c_expr_to_decl): New.
11607         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11608         specially.
11609         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11610
11611 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11612
11613         PR c/22308
11614         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11615         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11616
11617 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11618
11619         * Makefile.in: Adjust dependencies.
11620         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11621         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11622         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11623         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11624         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11625         rest_of_compilation.
11626
11627         * bb-reorder.c (gate_duplicate_computed_gotos,
11628         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11629         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11630         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11631         pass_partition_blocks): New.
11632         * bt-load.c (gate_handle_branch_target_load_optimize,
11633         rest_of_handle_branch_target_load_optimize,
11634         pass_branch_target_load_optimize): New.
11635         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11636         pass_jump2): New.
11637         * cfglayout.c (pass_insn_locators_initialize): New.
11638         * cfgrtl.c (pass_free_cfg): New.
11639         * combine.c (gate_handle_combine, rest_of_handle_combine,
11640         pass_combine): New.
11641         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11642         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11643         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11644         * except.c (pass_set_nothrow_function_flags,
11645         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11646         pass_rtl_eh): New.
11647         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11648         rest_of_handle_shorten_branches, pass_shorten_branches,
11649         rest_of_clean_state, pass_clean_state): New.
11650         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11651         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11652         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11653         pass_flow2): New.
11654         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11655         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11656         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11657         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11658         pass_gcse): New.
11659         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11660         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11661         pass_rtl_ifcvt, gate_handle_if_after_combine,
11662         rest_of_handle_if_after_combine, pass_if_after_combine,
11663         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11664         pass_if_after_reload): New.
11665         * integrate.c (pass_initial_value_sets): New.
11666         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11667         pass_purge_lineno_notes): New.
11668         * mode-switching.c (rest_of_handle_mode_switching,
11669         pass_mode_switching): New.
11670         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11671         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11672         pass_loop2): New.
11673         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11674         pass_loop_optimize): New.
11675         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11676         pass_sms): New.
11677         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11678         pass_gcse2): New.
11679         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11680         pass_postreload_cse): New.
11681         * profile.c (gate_handle_profiling, pass_profiling,
11682         rest_of_handle_branch_prob, pass_branch_prob): New.
11683         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11684         pass_split_before_regstack, gate_handle_split_before_regstack,
11685         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11686         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11687         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11688         pass_stack_regs): New.
11689         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11690         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11691         pass_stack_adjustments): New.
11692         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11693         pass_regrename): New.
11694         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11695         pass_delay_slots, gate_handle_machine_reorg,
11696         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11697         * rtl.h (extern void purge_line_number_notes): New.
11698         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11699         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11700         pass_sched2): New.
11701         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11702         pass_tracer): New.
11703         * value-prof.c (gate_handle_value_profile_transformations,
11704         rest_of_handle_value_profile_transformations,
11705         pass_value_profile_transformations): New.
11706         * var-tracking.c (gate_handle_var_tracking,
11707         pass_variable_tracking): New.
11708         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11709
11710         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11711         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11712         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11713         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11714         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11715         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11716         rest_of_handle_gcse2, rest_of_handle_regmove,
11717         rest_of_handle_tracer, rest_of_handle_if_conversion,
11718         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11719         rest_of_handle_web, rest_of_handle_branch_prob,
11720         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11721         rest_of_handle_jump_bypass, rest_of_handle_combine,
11722         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11723         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11724         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11725         rest_of_handle_mode_switching, rest_of_handle_jump,
11726         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11727         rest_of_handle_flow2, rest_of_handle_jump2,
11728         rest_of_handle_peephole2, rest_of_handle_postreload,
11729         rest_of_handle_shorten_branches, rest_of_clean_state,
11730         rest_of_compilation): Remove.
11731
11732         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11733         * passes.c (dump_flags, in_gimple_form, all_passes,
11734         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11735         register_dump_files, next_pass_1, last_verified, execute_todo,
11736         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11737         from tree-optimize.c.
11738         (init_optimization_passes): Moved from tree-optimize.c,
11739         adding the RTL optimizations.
11740         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11741         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11742         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11743         register_dump_files, next_pass_1, last_verified, execute_todo,
11744         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11745         init_tree_optimization_passes, ipa_passes): Delete.
11746         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11747         the RTL dumps.
11748         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11749         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11750         from tree.h.
11751         (ipa_passes): Remove.
11752         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11753         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11754         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11755         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11756         (dump_info_p, dump_flag): Moved to tree-dump.h.
11757
11758         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11759         cgraph.c, opts.c.
11760         * passes.c (finish_optimization_passes): Use dump_begin
11761         and dump_end, TDI_end.
11762         (gate_rest_of_compilation): New.
11763         (pass_rest_of_compilation): Use it.
11764         (gate_postreload, pass_postreload): New.
11765         * toplev.c (general_init): Rename init_tree_optimization_passes.
11766         * toplev.h (init_tree_optimization_passes): Rename to
11767         init_optimizations_passes.
11768         * tree-dump.c (dump_flag): Make static.
11769         (dump_files): Remove RTL dumps.
11770         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11771         pass_cleanup_cfg, pass_free_cfg_annotations,
11772         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11773         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11774         * tree-pretty-print.c: Include tree-pass.h.
11775         * cgraph.c: Include tree-dump.h.
11776
11777 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11778
11779         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11780         Only fall back to saying it points to readonly memory if
11781         we can't do better.
11782
11783 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11784
11785         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11786         * config/m32r/m32r.c (m32r_compute_frame_size,
11787         m32r_expand_prologue): Take current_function_profile into
11788         account whenever we reference
11789         current_function_uses_pic_offset_table.
11790         (m32r_finalize_pic): Remove.
11791         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11792
11793 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11794
11795         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11796         instead of $<.  Don't remove ./as if it already exists.
11797
11798 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11799
11800         PR target/21723
11801         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11802         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11803         for complex modes when generating code for PA 1.0.
11804         (VALID_FP_MODE_P): New macro.
11805         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11806         sets for all general and floating point modes.  Align wide floating
11807         point modes to even register boundaries to comply with architectural
11808         requirements.
11809         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11810         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11811         (VALID_FP_MODE_P): New macro.
11812         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11813         sets for all general and floating point modes.  Align wide floating
11814         point modes to even register boundaries to comply with architectural
11815         requirements.
11816
11817 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11818
11819         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11820         to 0.
11821
11822 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11823
11824         * tree-ssa-structalias.c: Don't include expr.h.
11825
11826 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11827
11828         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11829         comments.
11830
11831 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11832
11833         Fix PR tree-optimization/22279
11834
11835         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11836         correct operator.
11837
11838 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11839
11840         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11841
11842 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11843
11844         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11845         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11846         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11847         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11848         config/stormy16/stormy16.c, config/v850/v850.c,
11849         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11850         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11851         Avoid "." or "\n" at end of diagnostics and capital letters at
11852         start of diagnostics.
11853         * combine.c, cse.c: Don't translate dump file output.
11854         * toplev.c (print_version): Only translate output if going to
11855         stderr.
11856
11857 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11858
11859         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11860         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11861         typos.
11862
11863 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11864
11865         * pa.c (fix_range): Fix typo in comment.
11866
11867 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11868
11869         * tree-vrp.c (extract_range_from_assert): Replace
11870         fold (build (...)) with fold_build2.
11871
11872 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11873
11874         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11875         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11876         (format_types_orig, handle_format_attribute): Add support for
11877         format "gcc_gfc".
11878
11879 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11880
11881         * varasm.c (assemble_variable): Fix format specifier thinko.
11882
11883 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11884
11885         PR tree-optimization/22029 (and 22135)
11886         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11887         a phi node before calling dump_vops.
11888
11889 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11890
11891         * tree-dump.h (dump_string_field): Declare.
11892         * tree-dump.c: Use it instead of dump_string.
11893         (dump_string_field): Make non-static.
11894
11895 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11896
11897         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11898         up the minimal CFG stuff always when optimize > 0.  Call
11899         split_all_insns_noflow in PIC case if needed.
11900
11901 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11902             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11903
11904         PR c++/18279
11905         * c-decl.c (c_write_global_declarations): Dump contents of
11906         external scope to.
11907         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11908         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11909         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11910         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11911         is enabled.
11912
11913 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11914
11915         * c-common.h (GCC_DIAG_STYLE): Define.
11916         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11917         version for format checking to 4.1.
11918         * c-format.c: Include toplev.h after c-common.h.
11919         (enum format_type): Add gcc_tdiag_format_type.
11920         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11921         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11922         (format_types_orig): Add gcc_tdiag.
11923         (init_dynamic_diag_info): Support gcc_tdiag formats.
11924         (handle_format_attribute): Likewise.
11925         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11926         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11927         version for format checking to 4.1.
11928         (warning0, warning, error, pedwarn, sorry): Use
11929         ATTRIBUTE_GCC_DIAG.
11930         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11931         (finish_aliases_1): Do not use %qE.
11932         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11933         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11934         Correct format bugs.
11935         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11936         parameter to unsigned HOST_WIDE_INT.
11937         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11938
11939 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11940
11941         PR middle-end/21742
11942         * expr.c (write_complex_part): Use adjust_address for MEM.
11943         (read_complex_part): Same.
11944
11945 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11946
11947         Fix PR tree-optimization/22280
11948
11949         * tree-sra.c (generate_element_init): Remove useless loop.
11950
11951 2005-07-02  Richard Henderson  <rth@redhat.com>
11952
11953         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11954         TLS_MODEL_NONE.
11955         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11956
11957 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11958
11959         PR middle-end/14490
11960         * fold-const.c (fold_binary): Handle the return value of
11961         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11962         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11963
11964 2005-07-02  Jeff Law  <law@redhat.com>
11965
11966         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11967         a eliminate type conversion which feeds an equality comparison
11968         if the original type or either operand in the comparison is a
11969         function pointer.
11970
11971 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11972
11973         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11974         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11975         texts.
11976         * config/avr/avr.c: Do not use '`' as left quote.
11977         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11978         Remove "." from end of diagnostics.  Make diagnostics start with
11979         lowercase letter.
11980
11981 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11982             Joseph S. Myers  <joseph@codesourcery.com>
11983
11984         * toplev.c (default_tree_printer): Handle setting location with
11985         '+' flag.
11986         * c-objc.common.c (c_tree_printer): Likewise.
11987         * c-format.c (gcc_diag_flag_specs): Add '+'.
11988         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11989         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11990         formats.
11991         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11992         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11993         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11994         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11995         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11996         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11997         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11998         format arguments where %J is used without %D.
11999
12000 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12001
12002         * gcc.c (LINK_SSP_SPEC): Define.
12003         (link_ssp_spec): New variable.
12004         (LINK_COMMAND_SPEC): Add %(link_ssp).
12005         (static_specs): Add link_ssp_spec.
12006         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12007         * configure: Rebuilt.
12008         * config.in: Rebuilt.
12009
12010         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12011         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12012         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12013         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12014         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12015         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12016         -0x7008(2) instead of reading __stack_chk_guard variable.
12017         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12018         number.
12019         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12020         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12021         if TARGET_THREAD_SSP_OFFSET is defined.
12022         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12023         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12024
12025         Revert:
12026         2005-06-27  Richard Henderson  <rth@redhat.com>
12027         * libgcc-std.ver (GCC_4.1.0): New.
12028         * libgcc.h (__stack_chk_guard): Declare.
12029         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12030         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12031         * mklibgcc.in (lib2funcs): Add them.
12032
12033 2005-07-01  Richard Henderson  <rth@redhat.com>
12034
12035         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12036         void * before struct sigcontext *.
12037         (x86_fallback_frame_state): Likewise.
12038
12039 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12040
12041         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12042
12043 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12044
12045         PR tree-opt/22269
12046         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12047         we check for SSA_NAME for.
12048
12049 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12050
12051         Fix PR tree-optimization/22071
12052
12053         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12054         function.
12055         (get_constraint_for_component_ref): Use it.
12056
12057 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12058
12059         PR other/22264
12060         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12061         print out the last new line.
12062
12063 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12064
12065         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12066         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12067         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12068         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12069         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12070         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12071         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12072         (enum reg_class): New member CC0_REGS.
12073         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12074         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12075         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12076         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12077         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12078         Adjust for register now described.
12079
12080 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12081
12082         PR target/22262
12083         * config/i386/i386.md (stack_protect_test_si,
12084         stack_protect_test_di): Add earlyclobber for scratch 3.
12085         * config/rs6000/rs6000.md (stack_protect_testsi,
12086         stack_protect_testdi): Add earlyclobber for scratch 3,
12087         remove earlyclobber from scratch 4.
12088
12089 Older entries for 2005 can be found in ChangeLog-2005.