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1 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
2
3         PR rtl-optimization/24899
4         * loop.c (strength_reduce): Don't reduce giv that is not always
5         computable and where add_val or mult_val can trap.
6
7         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
8
9 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
10
11         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
12         names of ms1-16-002 files.
13
14 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
15
16         PR driver/20425
17         * gcc.c (for_each_path): New function.
18         (add_to_obstack, file_at_path): New functions.
19         (struct file_at_path_info, struct add_to_obstack_info): New.
20         (build_search_list): Rewrite using for_each_path.  Constify struct
21         path_prefix pointer.  Add do_multi param.  Adjust all callers.
22         (find_a_file): Similarly, but just change existing param to bool.
23         (putenv_from_prefixes): Add do_multi param, make "paths" const.
24         (do_spec_path): Delete.
25         (struct spec_path_info): New.
26         (spec_path): New function.
27         (do_spec_1): Use for_each_path for %D and %I.
28         (find_file): Adjust for find_a_file changes.
29         (main): Search multilibs for specs.  Print multilib lib path for
30         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
31         (read_specs): Search multilibs for %include and %include_noerr.
32         (is_directory): Remove second string param.  Change last param
33         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
34         check path is a dir.  Update all callers.
35         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
36         * system.h (SMALL_ARG_MAX): Poison.
37         * config.gcc: Don't define SMALL_ARG_MAX.
38         * config.host: Likewise.
39         * config.build: Likewise.
40
41 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
42
43         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
44         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
45         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
46         simplify_logical): Move simplifications that do not require
47         additional infrastructure...
48         * simplify-rtx.c (simplify_unary_operation_1,
49         simplify_binary_operation_1): ... here.
50
51 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
52
53         PR 24823
54         * flow.c (mark_used_dest_regs): New function.
55         (mark_used_regs): Call mark_used_dest_regs.
56
57 2005-12-16  Jeff Law  <law@redhat.com>
58
59         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
60         represent a use and definition of the same SSA_NAME.
61
62 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
63             Janis Johnson  <janis187@us.ibm.com>
64             Ben Elliston  <bje@au.ibm.com>
65
66         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
67         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
68         * target.h (struct gcc_target): Add decimal_float_supported_p.
69         * targhooks.c (default_scalar_mode_supported_p): Handle
70         MODE_DECIMAL_FLOAT.
71         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
72         of inf, nan, finite, isinf and isnan.
73         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
74         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
75         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
76         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
77         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
78         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
79         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
80         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
81         Pedwarn if decimal floating point types are used.  Error if
82         decimal floating point is not supported by the target.
83         (finish_declspecs): Return type from DFP typespec_word.
84         * c-typeck.c (c_common_type): Choose the decimal floating point
85         type with the greater precision when determining a common type.
86         (convert_arguments): Warn if there is a mismatch between argument
87         and prototype for decimal float types.  Warn of conversions with
88         binary float types and of precision narrowing due to prototype.
89         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
90         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
91         (c_token_starts_declspecs): Likewise.
92         (c_parser_attributes): Likewise.
93         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
94         RID_DFLOAT64, RID_DFLOAT128.
95         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
96         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
97         (shorten_compare): Convert DFP/BFP operands to a common type.
98         (c_common_modes_and_builtins): Register built-in decimal float
99         types if the target supports them.
100         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
101         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
102         inf, nan, finite, isinf and isnan builtins.
103         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
104         (builtin_define_float_constants): Assert non-decimal radix.
105         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
106         Call builtin_define_decimal_float_constants for each type.
107         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
108         flags.  Use real_from_string3, which can handle binary or decimal
109         floats.
110         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
111         cts_dfloat64, cts_dfloat128.
112         * tree.c (build_common_tree_nodes_2): Add decimal float types.
113         * tree.h (enum tree_index): Add new enumeration values
114         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
115         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
116         (dfloat32_type_node): New macro.
117         (dfloat64_type_node, dfloat128_type_node): Likewise.
118         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
119         (dfloat128_ptr_type_node): Likewise.
120         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
121         bit decimal floating point types with "df", "dd" and "dl".
122         * c-format.h (enum format_lengths): Add new enumeration values
123         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
124         * c-format.c (printf_length_specs, scanf_length_specs): Add
125         entries for H, D, DD.
126         (print_char_table, scan_char_table): Use new entries.
127         (asm_fprintf_char_table, gcc_diag_char_table,
128         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
129         length arrays.
130         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
131         (DECIMAL64_TYPE_SIZE): Likewise.
132         (DECIMAL128_TYPE_SIZE): Likewise.
133         (TARGET_DEC_EVAL_METHOD): Likewise.
134         * doc/extend.texi (Decimal Float): New node.
135         (Constructing Calls): Document decimal float built-ins.
136         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
137         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
138         * ginclude/decfloat.h: New file.
139
140 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
141
142         * reload.c (find_reloads): Fix comment typo.
143         * recog.h (recog_memoized): Correct comment.
144
145 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
146
147         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
148         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
149         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
150         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
151         * doc/invoke.texi, doc/tm.texi: Fix typos.
152
153 2005-12-16  Ben Elliston  <bje@au.ibm.com>
154
155         * real.c (decimal_quad_format): Correct values for emin, emax.
156
157 2005-12-15  DJ Delorie  <dj@redhat.com>
158
159         * config/m32c/predicates.md (m32c_psi_scale): New.
160         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
161         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
162
163 2005-12-16  Jan Hubicka  <jh@suse.cz>
164
165         PR rtl-optimization/25224
166         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
167         tables.
168
169 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
170             Steven Bosscher <stevenb@suse.de>
171
172         * loop-invariant.c (df): New global variable.
173         (find_defs, check_dependencies, find_invariant_insn, record_uses,
174         find_invariants_bb, find_invariants_body, find_invariants,
175         find_invariants_to_move, move_invariants, free_inv_motion_data,
176         move_single_loop_invariants, move_loop_invariants): Do not pass df in
177         arguments.
178
179 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
180
181         * varasm.c (default_unique_section_1): Use special section
182         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
183
184 2005-12-16  Ben Elliston  <bje@au.ibm.com>
185
186         * doc/invoke.texi (Warning Options): Document -Walways-true being
187         enabled by -Wall.
188
189 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
190
191         PR other/25028
192         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
193         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
194         __floatunditf): Use #error if type sizes don't match requirements
195         of implementation.
196         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
197         as wider floating-point type.  Use #error if type sizes don't
198         match requirements of implementation.  Avoid overflow in computing
199         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
200         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
201         (__floatundisf, __floatundidf): Likewise.
202         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
203         * config/ia64/ia64.c (ia64_init_libfuncs): Use
204         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
205         TFmode-TImode conversions.
206         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
207
208 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
209
210         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
211         Use builtin_define_with_int_value() instead of
212         adding a new check for every new major FreeBSD version.
213
214 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
215
216         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
217
218 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
219
220         * config/arm/predicates.md (call_memory_operand): New.
221         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
222
223 2005-12-15  Andrew Haley  <aph@redhat.com>
224
225         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
226         against prev_cache_entry == NULL when moving a cache entry to the
227         head of the list.
228         
229 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
230
231         * config/mt/mt.c (mt_override_options): Require lower case
232         architectures.  Revert accidental default to ms2.
233         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
234         ENDFILE_SPEC): Require lower case architectures.  Revert default
235         to ms2.
236
237         * doc/invoke.texi (MT Options): Rename and update.
238         * doc/md.texi (MorphoTech family): Rename and update.
239
240 2005-12-15  Olivier Hainque  <hainque@adacore.com>
241
242         * stor-layout.c (layout_type): Don't complain about a too small
243         an array element type size compared to its alignment when the
244         size overflows.
245
246 2005-12-15  Jan Hubicka  <jh@suse.cz>
247
248         PR target/24969
249         * i386.c (classify_argument): Properly adjust offset of bitfield for
250         substructures.
251
252 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
253
254         * final.c (final_scan_insn): Flip in_cold_section_p when changing
255         between the hot and cold sections.  Use current_function_section
256         to get the new section.
257         * dwarf2out.c (output_line_info): Use in_cold_section_p to
258         determine whether we are assembling hot or cold code.
259         (secname_for_decl, dwarf2out_var_location): Likewise.
260         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
261         * varasm.c (last_text_section): Delete.
262         (in_cold_section_p): New variable.
263         (hot_function_section): New function.
264         (current_function_section): Pass in_cold_section_p as the
265         reloc argument to select_section.  Use it to decide between
266         unlikely_function_section and hot_function_section.
267         (assemble_start_function): Use switch_to_section.  Set
268         in_cold_section_p instead of last_text_section.
269         (assemble_end_function): Use switch_to_section.
270         (switch_to_section): Don't set last_text_section.
271         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
272         argument to make the right choice between hot and cold sections.
273
274 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
275
276         Second part of MS1->MT renaming
277         * config/mt/mt.md (doloop_end): Call mt_add_loop.
278         (movqi, movhi): Call mt_set_memflags.
279         (*movdf_internal): Call mt_split_words. 
280         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
281         mt_set_memflags.
282         (cmpsi): Store to mt_compare_op[01].
283         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
284         bungt, bunle, bunlt): Call mt_emit_cbranch.
285         (prologue): Call mt_expand_prologue.
286         (epilogu): Call mt_expend_epilogue.
287         (eh_return): Call mt_expand_eh_return.
288         (eh_epilogue): Call me_emit_eh_epilogue.
289         (conditional_trap): Store to mt_compare_op[01].
290         * config/mt/crti.asm: Adjust comment.
291         * config/mt/crtn.asm: Adjust comment.
292         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
293         (mt_compare_op0, mt_compare_op1): Renamed.
294         (current_frame_info, zero_frame_info): Adjust type.
295         (mt_ucmpsi3_libcall): Renamed.
296         (mt_flag_delayed_branch): Renamed.
297         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
298         (mt_nops_required, mt_nop_reasons): Renamed.
299         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
300         mt_debug_stack, mt_print_operand_simple_address,
301         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
302         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
303         mt_function_arg_advance, mt_arg_partial_bytes,
304         mt_pass_by_reference, mt_function_arg_boundary,
305         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
306         mt_legitimate_address_p): Renamed, adjusted.
307         (mt_cpu): Renamed.
308         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
309         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
310         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
311         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
312         mt_expand_eh_return, mt_emit_eh_prologue,
313         mt_handl_interrupt_attribute): Renamed, adjusted.
314         (mt_attribute_table): Renamed, adjusted.
315         (mt_initial_elimination_offset, mt_generate_compare,
316         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
317         mt_secondary_reload_class, mt_function_value, mt_split_words,
318         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
319         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
320         (mt_labels): Renamed.
321         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
322         mt_machine_reorg): Renamed, adjusted.
323         (mt_attribute_table: Renamed.
324         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
325         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
326         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
327         * config/mt/mt.opt (march): Set mt_cpu_string.
328         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
329         (TARGET_CPU_CPP_BUILTINS): Adjust.
330         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
331         TARGET_MS2): Adjust.
332         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
333         (MT_MIN_INT): Renamed.
334         (RETURN_ADDR_RTX): Adjust.
335         (struct mt_frame_info): Renamed.
336         (current_frame_info): Adjust type.
337         (INITIAL_ELIMINATION_OFFSET): Adjust.
338         (MT_NUM_ARG_REGS): Renamed.
339         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
340         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
341         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
342         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
343         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
344         (mt_compare_op0, mt_compare_op1): Renamed.
345         * config/mt/mt-protos.h: Rename prototypes.
346
347 2005-12-15  Richard Guenther  <rguenther@suse.de>
348
349         * tree-flow.h (okay_component_ref_for_subvars): Remove.
350         (get_ref_base_and_extent): Declare.
351         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
352         (get_ref_base_and_extent): New function.
353         * tree-ssa-alias.c (find_used_portions): Use it.
354         * tree-ssa-structalias.c (get_constraint_for_component_ref):
355         Likewise.
356         * tree-ssa-operands.c (get_expr_operands): Likewise.
357
358 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
359
360         * combine.c: Remove force_to_mode's fourth parameter.
361         (force_to_mode): Do not handle REG.
362         (canon_reg_for_combine): New.
363         (make_field_assignment): Use it where the removed argument was non-NULL.
364
365 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
366
367         PR target/25406
368         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
369         error_mark_node.  Make alignment params unsigned.
370         * config/rs6000/rs6000-protos.h
371         (rs6000_special_round_type_align): Update prototype.
372         (rs6000_machopic_legitimize_pic_address): Remove arg names.
373
374 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
375
376         PR rtl-optimization/25310
377         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
378         of the eliminable register when substituting into a PLUS.
379
380 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
381
382         PR debug/25023
383         * config/i386/i386.c (ix86_force_to_memory): Always use
384         SImode push for HImode in -m32.
385         (ix86_free_from_memory): Likewise.
386
387 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
388
389         * gcc/config/arm/arm.md: Provide a big-endian version of the
390         (zero_extend:SI (subreg:QI ...)) splitter.
391
392 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
393
394         * struct-equiv.c (note_local_live): Handle hard regs with different
395         hard_regno_nregs.
396
397 2005-12-14  Jeff Law  <law@redhat.com>
398
399         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
400         to a structure containing state rather than a pointer to bool.
401         (case ARRAY_REF): New code to handle folding some array references.
402         (case ADDR_EXPR): Note when we are processing expressions found
403         within an ADDRE_EXPR.
404         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
405         for state variables rather than just a pointer to a boolean.
406         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
407         handling of constant string references.
408
409 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
410
411         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
412         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
413         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
414         Move other tst* patterns to retain partial order.
415
416 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
417
418         * config/s390/s390.md ("d0", "1"): New mode attributes.
419         ("<shift>di3", "<shift>si3"): Merge.
420         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
421         ("ashrdi3", "ashrsi3"): Merge.
422         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
423         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
424         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
425         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
426         ("*ashrdi3", "*ashrsi3"): Merge.
427         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
428
429 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
430
431         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
432         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
433         ("*extendqidi2", "*extendqisi2") Merge.
434         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
435         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
436         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
437         Move some patterns to retain partial ordering.
438
439 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
440
441         * config/s390/s390.md ("atype", "length"): Rewrite.
442         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
443
444 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
445
446         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
447
448 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
449
450         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
451         PARALLELs with a mode.
452
453 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
454
455         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
456         cond_expr parameter.
457
458 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
459
460         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
461
462 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
463
464         PR bootstrap/25397:
465
466         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
467         of STACK_REGS bits.
468
469         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
470
471 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
472
473         PR target/25254
474         PR target/24188
475         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
476         DECL_P, call get_section rather than get_named_section.  Supply
477         section flags to it.
478
479 2005-12-14  Ben Elliston  <bje@au.ibm.com>
480
481         * c-common.c (c_common_truthvalue_conversion): Generalise warning
482         for addresses converted to booleans; not just function addresses.
483         * c-typeck.c (build_binary_op): Warn for address comparisons which
484         can never be NULL (eg. func == NULL or &var == NULL).
485         * common.opt (Walways-true): New option.
486         * c-opts.c (c_common_handle_option): Set it with -Wall.
487         * doc/invoke.texi: Document it.
488
489 2005-12-13  Paul Brook  <paul@codesourcery.com>
490
491         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
492         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
493
494 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
495
496         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
497         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
498
499         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
500         (EXTRA_MULTILIB_PARTS): Define.
501
502 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
503
504         PR rtl-optimization/20070 / part1
505         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
506         count_or_remove_death_notes with kill == -1.
507         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
508         registers if PROP_POST_REGSTACK is set.
509         (mark_used_reg): Likewise.
510         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
511         REG_UNUSED notes for stack regs.
512         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
513         to match rtx_equiv_p machinery.  Change caller.
514         (outgoing_edges_match): Likewise.
515         (try_crossjump_to_edge): Use struct_equiv_block_eq
516         instead of flow_find_cross_jump.
517         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
518         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
519         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
520         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
521         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
522         (insns_match_p): Update prototype.
523         (flow_find_cross_jump): Remove prototype.
524         (struct_equiv_block_eq, struct_equiv_init): Declare.
525         (rtx_equiv_p, condjump_equiv_p): Likewise.
526         * struct-equiv.c: Include reload.h.
527         (IMPOSSIBLE_MOVE_FACTOR): Define.
528         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
529         (struct_equiv_improve_checkpoint): Likewise.
530         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
531         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
532         (struct_equiv_merge, find_dying_input): Likewise.
533         (resolve_input_conflict, note_local_live): Likewise.
534         (death_notes_match_p): Change parameters and processing
535         to match rtx_equiv_p machinery.  Change caller.
536         (insns_match_p): Likewise.
537         (flow_find_cross_jump): Replace with:
538         (struct_equiv_block_eq).
539
540         Back out this change:
541         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
542           * recog.c (verify_changes): Make it static.
543           * recog.h: Remove the corresponding prototype.
544
545 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
546
547         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
548         values.
549
550 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
551
552         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
553         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
554         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
555         TARGET_MS1_64_001 appropriately.
556         (ms1_machine_reorg): Use TARGET_MS2.
557
558 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
559
560         PR debug/25023
561         PR target/25293
562         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
563         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
564         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
565         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
566         Set mode to SI, adjust constraints.
567         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
568         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
569         32-bit code.
570
571 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
572
573         * c-cppbuiltin.c (builtin_define_float_constants): Add
574         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
575         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
576         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
577         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
578         to "((double)%sL)" otherwise "%s".
579
580 2005-12-13  Paul Brook  <paul@codesourcery.com>
581
582         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
583         apcs/atpcs.
584
585 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
586
587         * tree-flow.h: Allow compilation with a C++ compiler.
588         (struct edge_prediction): Prefix all field names  with "ep_".
589         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
590         (tree_predict_edge, combine_predictions_for_bb): Likewise.
591         (remove_predictions_associated_with_edge): Likewise.
592         
593 2005-12-12  Jeff Law  <law@redhat.com>
594
595         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
596         reassociation code.
597         * passes.c (init_optimization_passes): Run reassociation again
598         after loop optimizations.
599
600 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
601
602         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
603         if necessary.
604         (optimize_stmt): Ditto.
605         (canonicalize_comparison): New function.
606         * tree-ssa-operands.c (swap_tree_operands): Make external.
607         (get_expr_operands): Stop auto-canonicalization.
608         * tree-ssa-reassoc.c: Rewrite.
609         (init_optimization_passes): 
610         * tree-flow.h (swap_tree_operands): Prototype.
611         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
612
613 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
614
615         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
616         indicate function epilogue has been output.
617         (pa_asm_output_mi_thunk): Likewise.
618         (output_deferred_plabels): Put plabels in readonly data section when
619         not generating PIC code.
620         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
621         information.  Add assert.
622         (som_output_comdat_data_section_asm_op): New function.
623         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
624         instead of output_section_asm_op for COMDAT sections.
625
626 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
627
628         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
629         Fix whitespace in vincinity of to-be-installed changes.
630         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
631         (insns_match_p): Likewise.
632
633 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
634
635         * config.gcc (ms1): Replace with ...
636         (mt): ... this.
637         * config/ms1: Rename to ...
638         * config/mt: ... here.  Rename ms1 files to mt.
639         * config/mt/mt.c: Adjust gt-mt.h #include.
640         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
641         (crti.o, crtn.o): Adjust file names.
642
643 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
644
645         * varray.h: Allow compilation with a C++ compiler.
646         (union varray_data_tag): Prefix all field names with "vdt_".
647         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
648         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
649         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
650         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
651         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
652         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
653         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
654         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
655         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
656         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
657         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
658         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
659         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
660         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
661         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
662         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
663         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
664         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
665         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
666         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
667         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
668         VARRAY_TOP_TREE_PTR): Likewise.
669         * varray.c (varray_grow): Likewise.
670         (varray_clear): Likewise.
671
672 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
673
674         PR target/25299
675         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
676         alignment to doubleword if the first field is a double array.
677         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
678
679 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
680
681         * tree-ssa-structalias.c (process_constraint): Remove code to
682         transform addressofs into scalar.
683         (create_variable_info_for): In whole-program IPA, globals don't
684         point to ANYTHING by default.
685
686 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
687
688         * timevar.def (TV_IPA_PTA): New.
689         * tree-pass.h (pass_ipa_pta): New
690         * tree-ssa-structalias.c: Include cgraph.h
691         (in_ipa_mode): New.
692         (predbitmap_obstack): New.
693         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
694         (struct constraint_stats): Add num_edges.
695         (new_var_info): Don't call bitmap_clear.
696         (struct constraint_edge): Update docs.
697         (new_constraint_edge): Remove src param.
698         (struct constraint_graph): Add zero_weight_succs,
699         zero_weight_preds.  Update docs.
700         (constraint_expr_equal): Reformat.
701         (constraint_edge_equal): Update for removal of src.
702         (constraint_edge_less): Ditto.
703         (constraint_edge_vec_find): Ditto.
704         (erase_graph_self_edge): Update for removal of src and and zero
705         weight bitmap.
706         (clear_edges_for_node): Ditto.
707         (add_graph_edge): Ditto.
708         (get_graph_weights): Ditto.
709         (allocate_graph_weights): Ditto.
710         (merge_graph_nodes): Ditto.
711         (int_add_graph_edge): Ditto.
712         (valid_graph_edge): Ditto.
713         (valid_weighted_graph_edge): Ditto.
714         (build_constraint_graph): Ditto.
715         (scc_visit): Ditto.
716         (collapse_nodes): Ditto.
717         (process_unification_queue): Ditto.
718         (topo_visit): Ditto.
719         (solve_graph): Ditto.
720         (do_structure_copy): Ditto.
721         (perform_var_substitution): Ditto.
722         Init and release obstack.
723         (handle_ptr_arith): Try to resolve directly.
724         (find_func_aliases): Don't call update_alias_info here
725         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
726         (do_sd_constraint): Add code for propagating faster.
727         Update.
728         (do_ds_constraint): Ditto.
729         (count_num_arguments): New function.
730         (create_function_info_for): Ditto.
731         (create_variable_info_for): Handle FUNCTION_DECL.
732         (intra_create_variable_infos): Use make_constraint_to_anything.
733         (init_alias_vars): Init obstacks here.
734         (need_to_solve): Handle zero weight graph changes.
735         (compute_points_to_sets): Call update_alias_info here.
736         (delete_points_to_sets): Free zero weight preds/succs here.
737         (gate_ipa_pta): New.
738         (ipa_pta_execute): New
739
740 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
741
742         * tree-ssa-structalias.c (var_anyoffset): Removed.
743         (anyoffset_tree): Ditto.
744         (anyoffset_id): Ditto.
745         (do_deref): Take vector of constraints, no return value.
746         Update to work on vector.                
747         (get_constraint_for): Ditto.
748         (get_constraint_for_component_ref): Ditto.
749         (do_structure_copy): Ditto.
750         (handle_ptr_arith): Ditto.
751         (find_func_aliases): Ditto.
752         (set_uids_in_ptset): Remove anyoffset handling.
753         (init_base_vars): Ditto.
754
755 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
756
757         PR c++/25010
758         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
759         DECL_EXTERNAL functions have no bodies.  Tidy.
760
761 2005-12-10  Andreas Schwab  <schwab@suse.de>
762
763         * except.c (switch_to_exception_section): Only define if
764         TARGET_UNWIND_INFO is not defined.
765
766 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
767
768         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
769         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
770
771 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
772
773         * output.h (init_section, fini_section): Delete.
774         * varasm.c (init_section, fini_section): Delete.
775         (init_varasm_once): Don't initialize them.
776         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
777         there are no corresponding varasm.c variables.
778
779 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
780
781         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
782         of EH_FRAME_SECTION_NAME into...
783         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
784         if it is still null.
785         * except.c (default_exception_section): Delete, moving most
786         of the code to...
787         (switch_to_exception_section): ...this new function.  Set
788         exception_section if it is still null, then switch to it.
789         (output_function_exception_table): Use switch_to_exception_section.
790         * varasm.c (exception_section, eh_frame_section): Update comments.
791         (get_section): Hoist use of SECTION_NAMED.
792         (init_varasm_once): Don't set exception_section and eh_frame_section.
793         * output.h (default_exception_section): Delete.
794         (default_eh_frame_section): Delete.
795
796 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
797
798         * config/bfin/bfin.c: Include "cgraph.h".
799         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
800         Return the reg that holds the pointer to the GOT.
801         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
802         doing stack checking.
803
804 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
805
806         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
807         recompute_tree_invarant_for_addr_expr.
808         Update uses everywhere.
809
810 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
811
812         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
813         (MULTILIB_DIRNAMES): Define.
814
815 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
816
817         PR target/25311
818         * config/s390/s390.c (struct s390_address): New field literal_pool.
819         (s390_decompose_address): Compute literal_pool field.  Do not 
820         assume register %r13 is always (and solely) used as pool base.
821         (s390_extra_constraint_str): Use literal_pool field.
822
823 2005-12-09  Thiemo Seufer  <ths@networkno.de>
824
825         * config/mips/mips.c (override_options): Don't allow too small
826         integers in FP registers.
827
828 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
829
830         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
831         targetm.binds_local_p to check for local function calls.
832
833 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
834
835         PR debug/24908
836         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
837         call_used_regs can't be used to save reg in another reg.
838
839 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
840             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
841
842         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
843         abort.
844         * except.c (output_ttype): Likewise.
845         * tree-object-size.c (collect_object_sizes_for): Likewise.
846         (check_for_plus_in_loops_1): Likewise.
847         (check_for_plus_in_loops): Likewise.
848         (compute_object_sizes): Use gcc_unreachable instead of abort.
849
850 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
851
852         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
853         (loop_end, loop_init, doloop_end): New insns.
854         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
855         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
856         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
857         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
858         * config/ms1/ms1.c: #include basic-block.h
859         (struct machine_function): Add has_loops field.
860         (ms1_add_loop): New.
861         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
862         (struct loop_info, struct loop_work): New.
863         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
864         (ms1_reorg_loops): New loop optimization.
865         (ms1_machine_reorg): Call it.
866         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
867
868 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
869
870         PR tree-optimization/25248
871         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
872         evolution_of_loop from the failed attempt.  Remove handling
873         of MULT_EXPR.
874
875 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
876
877         * tree.h (DECL_EXTERNAL): Clarify documentation.
878
879 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
880             Jakub Jelinek  <jakub@redhat.com>
881
882         PR target/25268
883         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
884         argument.  Don't drop outer ANDs.
885         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
886         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
887         prototype.
888         * config/s390/predicates.md (setmem_operand): Remove.
889         (shift_count_operand): Rename to...
890         (shift_count_or_setmem_operand): ... this.  Adjust
891         s390_decompose_shift_count caller.
892         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
893         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
894         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
895         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
896         rotl<mode>3_and, setmem_long_and): New insns.
897         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
898         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
899         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
900         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
901         of shift_count_operand.
902         (setmem_long): Use shift_count_or_setmem_operand instead of
903         setmem_operand.
904
905 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
906             Andreas Tobler  <a.tobler@schweiz.ch>
907
908         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
909         tr expression.
910
911 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
912
913         * expr.c (force_operand): Use convert_to_mode for conversions.
914
915 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
916
917         * reload.h (reg_equiv_invariant): Declare.
918         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
919         register also when reg_equiv_invariant[R] is set.
920
921 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
922             Andreas Tobler  <a.tobler@schweiz.ch>
923
924         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
925
926 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
927
928         * tree-ssa-pre.c (bitmap_set_and): New function.
929         (bitmap_set_and_compl): New function.
930         (bitmap_set_empty_p): New function.
931         (insert_extra_phis): New function.
932         (compute_avail): Use insert_extra_phis.
933
934 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
935
936         * config/s390/s390.c (s390_expand_atomic): New function.
937         Adjust comment of helper functions.
938         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
939         * config/s390/s390.md ("ATOMIC"): New code macro.
940         ("atomic"): Corresponding new code attribute.
941         ("sync_lock_test_and_set[hq]i", 
942         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
943
944 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
945
946         * config/s390/s390.c (s390_expand_mask_and_shift, 
947         struct alignment_context, init_alignment_context, 
948         s390_expand_cs_hqi): New.
949         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
950         * config/s390/s390.md ("sync_compare_and_swaphi",
951         "sync_compare_and_swapqi"): New pattern.
952
953 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
954
955         Fix PR tree-optimization/25291
956         * tree-ssa-operands.c (add_call_clobber_ops): Remove
957         redundant and crashing check.
958
959 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
960
961         PR target/25212
962         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
963         tests further when !strict && reload_in_progress.
964         (print_operand): Check that both operands of indexed address are regs.
965         (print_operand_address): Likewise.
966         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
967         (INT_REG_OK_FOR_BASE_P): Correct.
968
969 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
970
971         Preparation for PR rtl-optimization/20070 / part1
972         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
973         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
974         outgoing_edges_match.
975         (outgoing_edges_match): Use condjump_equiv_p.
976         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
977         into..
978         * struct-equiv.c: New file.
979         (death_notes_match_p) New function, broken out of insns_match_p.
980         * Makefile.in (OBJS-common): Add struct-equiv.o.
981         (struct-equiv.o): New target.
982
983 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
984
985         * coretypes.h: Revert previous change.
986         * config/darwin.h: Revert previous reversion.
987         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
988
989 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
990
991         * coretypes.h (section): Provide dummy definition for target files.
992         * config/darwin.h: Revert previous change.
993
994 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
995
996         * doc/sourcebuild.texi (all.build, install-normal): Remove.
997         * configure.ac: Remove all.build and install-normal from target_list
998         * configure: Regenerate.
999         * Makefile.in (install): Don't depend on install-normal.
1000
1001 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1002
1003         * Makefile.in: Document the use of stamps.
1004
1005 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1006
1007         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1008         * Makefile.in: Add code to compute some dependencies on s-gtype
1009         automatically.  Remove the declaration of those dependencies.
1010
1011 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1012
1013         * gcc/reload.c (push_secondary_reload): Fix typo:
1014         s/insn_constraint/scratch_constraint/.
1015
1016 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1017
1018         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1019
1020 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1021
1022         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1023         (alpha_elf_select_rtx_section): Return the selected section rather
1024         than emitting assembly code.
1025         (alpha_write_linkage): Emit a ".link" directive directly and then
1026         set in_section to NULL.
1027         (vms_asm_out_constructor): Use switch_to_section.
1028         (vms_asm_out_destructor): Likewise.
1029         (unicosmk_output_common): Set in_section to NULL instead of calling
1030         the dummy common_section function.
1031         (unicosmk_text_section): Delete in favor of...
1032         (unicosmk_output_text_section_asm_op): ...this new function.
1033         (unicosmk_data_section): Delete in favor of...
1034         (unicosmk_output_data_section_asm_op): ...this new function.
1035         (unicosmk_init_sections): New function.
1036         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1037         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1038         the dummy ssib_section function.
1039         (unicosmk_section_buf): Delete.
1040         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1041         (unicosmk_data_section): Delete.
1042         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1043         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1044         (SECTION_FUNCTION_TEMPLATE): Delete.
1045         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1046         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1047         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1048         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1049         (TARGET_ASM_INIT_SECTIONS): Define.
1050         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1051         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1052         (link_section, literals_section): Delete.
1053         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1054         set in_section to NULL.
1055
1056         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1057         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1058         (COMMON_SECTION): Delete.
1059         (TARGET_ASM_INIT_SECTIONS): Define.
1060         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1061         the dummy common_section function.
1062         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1063         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1064         between readonly_data_section and text_section to check whether
1065         read-only data is being put in the text section.
1066         (arm_output_function_epilogue): Use switch_to_section.
1067         (arm_elf_asm_constructor): Likewise.
1068         (thumb_call_via_reg): Replace call to in_text_section with
1069         a comparison between in_section and text_section.
1070         (arm_file_end): Use switch_to_section.
1071         (aof_text_section): Delete in favor of...
1072         (aof_output_text_section_asm_op): ...this new function.
1073         (aof_data_section): Delete in favor of...
1074         (aof_output_data_section_asm_op): ...this new function.
1075         (aof_asm_init_sections): New function.
1076         (zero_init_section): Moved from config/arm/aof.h.
1077         (aof_dump_imports, aof_file_start): Use switch_to_section.
1078         * config/arm/arm.h (thumb_call_via_label): Update comment.
1079         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1080         (common_section): Delete.
1081         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1082         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1083         global switch_to_section function instead of the old port-local one.
1084         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1085         (SWITCH_TO_SECTION_FUNCTION): Delete.
1086         (drectve_section): Redefine as a macro.
1087         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1088         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1089         switch_to_section.
1090
1091         * config/avr/avr.c (progmem_section): New variable.
1092         (avr_output_progmem_section_asm_op): New function.
1093         (avr_asm_init_sections): New function.
1094         (avr_output_addr_vec_elt): Use switch_to_section.
1095         * config/avr/avr.h (progmem_section): Declare.
1096         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1097         (READONLY_DATA_SECTION): Delete.
1098         (TARGET_ASM_INIT_SECTIONS): Define.
1099         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1100         * config/avr/avr-protos.h (progmem_section): Delete.
1101
1102         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1103
1104         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1105         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1106
1107         * config/darwin-sections.def: New file.
1108         * config/darwin.c: Define all sections in darwin-sections.def.
1109         (output_objc_section_asm_op, darwin_init_sections): New functions.
1110         (machopic_output_indirection): Use switch_to_section.
1111         (machopic_select_section): Return the selected section rather than
1112         emitting assembly code.  Replace the static function table with
1113         inline conditional expressions.  Update the tests of last_text_section
1114         and move them into the FUNCTION_DECL block.
1115         (machopic_select_rtx_section): Return the selected section rather than
1116         emitting assembly code.
1117         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1118         (darwin_file_end): Use switch_to_section.
1119         * config/darwin.h: Use darwin-sections.def to declare sections.
1120         (INIT_SECTION_ASM_OP): Remove empty definition.
1121         (HAS_INIT_SECTION): Define this instead.
1122         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1123         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1124         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1125         (TARGET_ASM_INIT_SECTIONS): Define.
1126         * config/darwin-protos.h (darwin_init_sections): Declare.
1127         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1128         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1129         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1130         (constructor_section, destructor_section, mod_init_section): Delete.
1131         (mod_term_section): Delete.
1132         (darwin_exception_section, darwin_eh_frame_section): Delete.
1133         (machopic_select_section): Return a section.
1134         (machopic_select_rtx_section): Likewise.
1135         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1136         (const_section, const_coal_section, const_data_section): Delete.
1137         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1138         (literal4_section, literal8_section, constructor_section): Delete.
1139         (mod_init_section, mod_term_section, destructor_section): Delete.
1140         (objc_class_section, objc_meta_class_section, objc_category_section)
1141         (objc_class_vars_section, objc_instance_vars_section): Delete.
1142         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1143         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1144         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1145         (objc_symbols_section, objc_module_info_section): Delete.
1146         (objc_image_info_section, objc_protocol_section): Delete.
1147         (objc_string_object_section, objc_constant_string_object_section)
1148         (objc_class_names_section, objc_meth_var_names_section): Delete.
1149         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1150         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1151         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1152         (darwin_exception_section, darwin_eh_frame_section): Delete.
1153         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1154
1155         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1156         (frv_asm_out_destructor): Likewise.
1157         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1158         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1159         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1160         get_named_section.
1161         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1162         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1163         (data_section): Delete.
1164
1165         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1166         (DRECTVE_SECTION_FUNCTION): Delete.
1167         (drectve_section): Redefine as a macro that sets in_section after
1168         emitting the directive.
1169         (SWITCH_TO_SECTION_FUNCTION): Delete.
1170         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1171         in_text_section with comparison between in_section and text_section.
1172         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1173         rather than emitting assembly code.  Use get_named_section.
1174         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1175         get_named_section.
1176         (machopic_output_stub): Use switch_to_section.
1177         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1178         (nwld_named_section_asm_out_destructor): Use get_section and
1179         switch_to_section.
1180
1181         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1182         rather than emitting assembly code.
1183         (ia64_rwreloc_select_section): Likewise.
1184         (ia64_rwreloc_select_rtx_section): Likewise.
1185         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1186         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1187         switch_to_section.
1188         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1189         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1190
1191         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1192         section rather than emitting assembly code.
1193         (iq2000_select_section): Likewise.
1194         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1195         (sbss_section): Delete.
1196
1197         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1198         and get_named_section.
1199         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1200
1201         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1202         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1203         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1204         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1205         in_section to NULL.
1206         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1207         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1208         global switch_to_section function instead of the old port-local one.
1209         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1210         (SWITCH_SECTION_FUNCTION): Delete.
1211         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1212         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1213         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1214         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1215         in_section to NULL.
1216         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1217         global switch_to_section function instead of the old port-local one.
1218         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1219
1220         * config/mips/mips.c (mips_file_start): Update comment.
1221         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1222         (mips_output_aligned_decl_common): Use switch_to_section.
1223         (mips_select_rtx_section): Return the section rather than emitting
1224         assembly code.  Use get_named_section.
1225         (mips_function_rodata_section: Likewise get_section.
1226         (build_mips16_function_stub): Use switch_to_section.
1227         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1228         (SDATA_SECTION_ASM_OP): Delete.
1229         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1230         (EXTRA_SECTION_FUNCTIONS): Delete.
1231
1232         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1233         (mmix_asm_output_aligned_local): Use switch_to_section.
1234
1235         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1236         (som_one_only_readonly_data_section): New variables.
1237         (pa_output_function_epilogue): Set in_section to NULL instead of
1238         calling forget_section.
1239         (output_deferred_plabels): Use select_section.
1240         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1241         of calling forget_section.
1242         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1243         (pa_asm_output_aligned_local): Use select_section.
1244         (som_text_section_asm_op): Delete in favor of...
1245         (som_output_text_section_asm_op): ...this new function.
1246         (pa_som_asm_init_sections): New function.
1247         (pa_select_section): Return the section rather than emitting
1248         assembly code.
1249         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1250         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1251         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1252         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1253         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1254         (som_readonly_data_section, som_one_only_readonly_data_section)
1255         (som_one_only_data_section, forget_section): Delete.
1256         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1257         (TARGET_ASM_INIT_SECTIONS): Define.
1258         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1259
1260         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1261         (private_data_section, read_only_private_data_section): New variables.
1262         (sdata2_section, toc_section): New variables.
1263         (rs6000_file_start): Use switch_to_section.
1264         (rs6000_assemble_integer): Use comparisons against in_section
1265         instead of calling in_toc_section and in_text_section.  Use
1266         unlikely_text_section_p.
1267         (rs6000_elf_output_toc_section_asm_op): New function, derived
1268         from the old rs6000/sysv4.h toc_section function.
1269         (rs6000_elf_asm_init_sections): New function.
1270         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1271         the section rather than emitting assembly code.
1272         (machopic_output_stub): Use switch_to_section.
1273         (toc_section): Delete dummy function.
1274         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1275         switch_to_section and get_section.
1276         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1277         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1278         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1279         the old rs6000/xcoff.h toc_section function.
1280         (rs6000_xcoff_asm_init_sections): New function.
1281         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1282         the section rather than emitting assembly code.
1283         (rs6000_xcoff_file_start): Use switch_to_section.
1284         (rs6000_xcoff_file_end): Likewise.
1285         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1286         (sdata2_section, sbss_section, private_data_section): Delete.
1287         (read_only_data_section, read_only_private_data_section): Delete.
1288         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1289         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1290         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1291         (FINI_SECTION_FUNCTION): Delete.
1292         (TARGET_ASM_INIT_SECTIONS): Define.
1293         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1294         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1295         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1296         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1297         (READONLY_DATA_SECTION): Delete.
1298         (TARGET_ASM_INIT_SECTIONS): Define.
1299         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1300         to NULL rather than no_section.
1301         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1302
1303         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1304
1305         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1306         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1307         from call to current_function_section.
1308
1309         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1310         (bss100_section): New variable.
1311         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1312         (xstormy16_asm_init_sections): New function.
1313         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1314         switch_to_section and get_section.
1315         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1316         from calls to current_function_section.
1317         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1318         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1319         (TARGET_ASM_INIT_SECTIONS): Define.
1320         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1321
1322         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1323         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1324         (FINI_SECTION_FUNCTION): Delete.
1325
1326         * config/v850/v850.c: Include gt-v850.h.
1327         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1328         (zbss_section): New variables.
1329         (v850_output_aligned_bss): Use switch_to_section.
1330         (v850_asm_init_sections): New function.
1331         (v850_select_section): Return the section rather than emitting
1332         assembly code.
1333         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1334         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1335         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1336         (TARGET_ASM_INIT_SECTIONS): Define.
1337         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1338         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1339         (zbss_section): Delete.
1340
1341         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1342
1343         * config/vx-common.h (vxworks_exception_section): Delete.
1344         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1345
1346         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1347         section rather than emitting assembly code.
1348         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1349         switch_to_section.
1350
1351         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1352         * coretypes.h (section): New union and typedef.
1353         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1354         from call to current_function_section.
1355         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1356         (dbxout_symbol_location): Use switch_to_section.
1357         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1358         most of the code into...
1359         (default_eh_frame_section): ...here.  Return a section.
1360         (collect2_eh_frame_section): Delete, moving most of the code into..
1361         (switch_to_eh_frame_section): ...this new function.
1362         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1363         (debug_macinfo_section, debug_line_section, debug_loc_section)
1364         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1365         variables.
1366         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1367         eh_frame_section.  Use switch_to_section and get_section.
1368         (dwarf2out_begin_prologue): Use switch_to_section.
1369         (AT_string_form): Check the flags in debug_str_section instead of
1370         DEBUG_STR_SECTION_FLAGS.
1371         (output_comp_unit): Use switch_to_section, get_section, and
1372         debug_info_section.
1373         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1374         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1375         from call to current_function_section.
1376         (dwarf2out_var_location): Use unlikely_text_section_p.
1377         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1378         from call to current_function_section.
1379         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1380         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1381         debug_macinfo_section.
1382         (dwarf2out_init): Initialize the new section variables.  Use them
1383         instead of calls to named_section_flags.  Use switch_to_section.
1384         (output_indirect_string): Use switch_to_section and debug_str_section.
1385         (dwarf2out_finish): Use switch_to_section and the new section
1386         variables.
1387         * except.c (default_exception_section): Return the section instead
1388         of emitting assembly code.
1389         (output_function_exception_table): Use the global exception_section
1390         variable instead of the target hook.  Use switch_to_section.  Remove
1391         argument from call to current_function_section.
1392         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1393         (shorten_branches): Use pointer comparisons to detect whether the
1394         text section is the same as readonly_data_section.
1395         (profile_function): Use switch_to_section.  Remove argument from
1396         call to current_function_section.
1397         (final_scan_insn): Likewise.  Update use of last_text_section.
1398         * gengtype.c (open_base_files): Add an include of output.h.
1399         * output.h (text_section, data_section, readonly_data_section)
1400         (ctors_section, dtors_section, bss_section, init_section)
1401         (fini_section, sdata_section): Turn into section pointers.
1402         (in_text_section, in_unlikely_text_section, exports_section)
1403         (drectve_section, named_section, mergeable_string_section)
1404         (last_text_section_name): Delete.
1405         (default_exception_section, default_eh_frame_section): Return sections.
1406         (SECTION_DECLARED, SECTION_NAMED): New macros.
1407         (SECTION_MACH_DEP): Bump value.
1408         (section_common, named_section, unnamed_section): New structures.
1409         (unnamed_section_callback): New typedef.
1410         (section): New union.
1411         (sbss_section, exception_section, eh_frame_section): New variables.
1412         (in_section, last_text_section): Turn into section pointers.
1413         (get_unnamed_section, get_section, get_named_section): New functions.
1414         (mergeable_constant_section, function_section): Return a section.
1415         (unlikely_text_section): Likewise.
1416         (current_function_section): Likewise.  Remove the decl argument.
1417         (unlikely_text_section_p, switch_to_section): New functions.
1418         (output_section_asm_op): New function.
1419         (set_named_section_flags, named_section_flags, named_section_real)
1420         (named_section_first_declaration): Delete.
1421         (default_select_section, default_elf_select_section): Return a section.
1422         (default_elf_select_section_1, default_function_rodata_section)
1423         (default_no_function_rodata_section, default_select_rtx_section)
1424         (default_elf_select_rtx_section): Likewise.
1425         * rtl.h (in_data_section): Delete.
1426         * sdbout.c (sdbout_one_type): Use switch_to_section.
1427         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1428         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1429         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1430         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1431         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1432         (TARGET_ASM_OUT): Update after above changes.
1433         * target.h (init_sections): New hook.
1434         (exception_section, eh_frame_section): Delete.
1435         (select_section, select_rtx_section, function_rodata_section): Return
1436         a section rather than emitting assembly code.
1437         * varasm.c (text_section, data_section, readonly_data_section)
1438         (ctors_section, dtors_section, bss_section, init_section)
1439         (fini_section): Turn into section pointers.
1440         (sdata_section, sbss_section, exception_section): New variables.
1441         (eh_frame_section): New variable.
1442         (in_section): Make global and turn into a section pointer.
1443         (last_text_section): Turn into a section pointer.
1444         (unnamed_sections): New variable.
1445         (in_named_name, last_text_section_name): Delete.
1446         (EXTRA_SECTION_FUNCTIONS): Delete.
1447         (in_named_entry): Delete.
1448         (section_htab): New variable, replacing...
1449         (in_named_htab): ...this deleted variable.
1450         (section_entry_eq, section_entry_hash): New functions, based on...
1451         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1452         (get_unnamed_section, get_section): New functions.
1453         (unlikely_text_section): Return a section instead of emitting
1454         assembly code.
1455         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1456         (get_named_section_flags, named_section_first_declaration): Delete.
1457         (unlikely_text_section_p): New function.
1458         (named_section_real, named_section): Delete.
1459         (get_named_section): New function.
1460         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1461         (function_section): Return a section rather than emitting
1462         assembly code.
1463         (current_function_section): Likewise.  Remove argument.  Use
1464         last_text_section if nonnull, otherwise use function_section.
1465         (default_function_rodata_section): Return a section rather than
1466         emitting assembly code.  Use get_section.
1467         (default_no_function_rodata_section): Return a section rather than
1468         emitting assembly code.
1469         (variable_section): Use switch_to_section and get_named_section.
1470         (mergeable_string_section): Return a section rather than emitting
1471         assembly code.  Use get_section.  Make static.  Don't take special
1472         countermeasures for empty strings.
1473         (mergeable_constant_section): Return a section rather than emitting
1474         assembly code.  Use get_section.
1475         (default_named_section_asm_out_destructor): Use switch_to_section
1476         and get_section.
1477         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1478         (default_named_section_asm_out_constructor): Use switch_to_section
1479         and get_section.
1480         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1481         (assemble_start_function): Likewise.  Set last_text_section to
1482         NULL rather than no_section.  Change the type of save_section.
1483         (assemble_zeros, assemble_variable): Use the section flags to detect
1484         whether or not a section is text.
1485         (assemble_static_space): Use switch_to_section.
1486         (assemble_trampoline_template): Likewise.
1487         (output_constant_def_contents): Use switch_to_section and
1488         get_named_section.
1489         (output_constant_pool_1): Use switch_to_section.  Use the section
1490         flags to see whether sections contain mergeable data.
1491         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1492         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1493         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1494         whether a section has already been declared.
1495         (default_select_section, default_elf_select_section): Return a
1496         section rather than emitting assembly code.
1497         (default_elf_select_section_1): Likewise.  Use bss_section for
1498         SECCAT_BSS if nonnull.  Use get_named_section.
1499         (default_select_rtx_section): Return a section rather than
1500         emitting assembly code.
1501         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1502         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1503         (output_section_asm_op, switch_to_section): New functions.
1504         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1505         get_named_section.
1506
1507         * doc/tm.texi: Expand the introduction to the sections documentation.
1508         (TRAMPOLINE_SECTION): Document new interface.
1509         (SDATA_SECTION_ASM_OP): Document new macro.
1510         (READONLY_DATA_SECTION): Delete.
1511         (SDATA_SECTION_ASM_OP): Document new macro.
1512         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1513         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1514         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1515         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1516         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1517
1518 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1519
1520         * gcc.c (init_gcc_specs): Match braces inside conditionally
1521         compiled strings.
1522
1523 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1524
1525         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1526
1527 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1528
1529         PR C++/24138
1530         * tree.c (integer_all_onesp): Always return true if all bits on.
1531
1532         * testsuite/g++.dg/init/array0.C: New.
1533
1534 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1535
1536         * doc/md.texi: Adapt to implementation.
1537
1538 2005-12-06  Andreas Schwab  <schwab@suse.de>
1539
1540         * opts.c (decode_options): Fix typo in message.
1541
1542 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1543
1544         PR other/13873
1545         * longlong.h: Merge PPC tests from upstream.
1546
1547 2005-12-06  Richard Guenther  <rguenther@suse.de>
1548
1549         * fold-const.c (fold_convert): Do not build and fold
1550         CONVERT_EXPR, but always use NOP_EXPR.
1551
1552 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1553
1554         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1555         __builtin_ia32_paddq and __builtin_ia32_subq.
1556         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1557         __builtin_ia32_pshufw.
1558         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1559
1560 2005-12-05  James E Wilson  <wilson@specifix.com>
1561
1562         PR target/24934
1563         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1564         is set.
1565
1566 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1567         
1568         * print-tree.c (print_node): Ditto.
1569         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1570         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1571         before accessing DECL_ARTIFICIAL. 
1572         Handle new tag tree codes.
1573         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1574         changes.
1575         (unmodifiable_var_p): Ditto.
1576         * tree-flow.h (mem_tag_kind): Remove.
1577         (struct var_ann_d): Remove mem_tag_kind member.
1578         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1579         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1580         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1581         (group_aliases): Ditto.
1582         (setup_pointers_and_addressables): Ditto.
1583         (is_escape_site): Ditto.                                          
1584         (may_alias_p): Ditto.
1585         (create_tag_raw): New function.
1586         (create_memory_tag): Use it.
1587         (dump_alias_info): Update for tags.
1588         (may_be_aliased): Ditto.
1589         (add_type_alias): Ditto.
1590         (new_type_alias): Ditto.
1591         (create_sft): Ditto.
1592         (create_structure_vars): Ditto.
1593         * tree-ssa-ccp.c (get_default_value): Ditto.
1594         * tree-ssa-operands.c (get_expr_operands): Ditto.
1595         (add_stmt_operand): Ditto.
1596         (add_call_clobber_ops): Remove duplicated condition.
1597         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1598         tags.
1599         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1600         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1601         * tree.c (init_ttree): Update structures for new tree codes.
1602         (tree_code_size): Update sizes for new tree codes.
1603         (make_node_stat): Don't try to set common things on minimal
1604         structures.
1605         (tree_node_structure): Update for tags.
1606         (is_global_var): Ditto.
1607         * tree.def: Add new tree codes.
1608         * tree.h (MTAG_P): New macro.
1609         (TREE_MEMORY_TAG_CHECK): Ditto.
1610         (SSA_VAR_P): Update for tags.
1611         (struct tree_memory_tag): New structure.
1612         (MTAG_GLOBAL): New macro.
1613         (union tree_node): Add memory tag member.
1614         * treestruct.def (TS_MEMORY_TAG): New.
1615         
1616 2005-12-05  Dale Johannesen  <dalej@apple.com>
1617
1618         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1619         what was approved (PR 24323).
1620
1621 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1622
1623         * doc/c-tree.texi (Function Bodies): Remove description of
1624         RETURN_INIT.
1625
1626 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1627
1628         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1629         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1630         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1631         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1632         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1633         __divxc3): Document.
1634
1635 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1636
1637         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1638         previous behaviour.
1639         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1640         hook_bool_void_false.
1641         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1642         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1643
1644         * config/darwin.c (machopic_select_section): It's not defined
1645         as weak if it's only marked as weak_import.
1646         
1647         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1648         Prototype.
1649
1650         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1651         A hidden weak object does bind locally.  Strong linkonce data
1652         counts like any other strong symbol for binding.
1653         (weak_finish_1): Don't specially handle weakrefs, they no longer
1654         arrive here.
1655         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1656         * c-common.c (handle_alias_attribute): Allow static aliases
1657         of variables.
1658         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1659         * gthr-dce.h: Make weakrefs static.
1660         * gthr-tpf.h: Likewise.
1661         * gthr-solaris.h: Likewise.
1662         * gthr-posix.h: Likewise.
1663         * gthr-posix95.h: Likewise.
1664         * config/darwin.c (darwin_encode_section_info): static weakref
1665         variables are not necessarily defined in this translation unit.
1666         * doc/extend.texi (Function Attributes): Mention that an alias
1667         attribute creates a definition for the thing it's attached to.
1668         Change the documentation for weakref to say that the thing
1669         it's attached to must be static.
1670
1671         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1672         we don't go into an infinite loop.
1673
1674 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1675
1676         * config/rs6000/predicates.md (logical_const_operand): Split
1677         out of logical_operand.
1678         (logical_operand): Use it.
1679         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1680         logical_const_operand.
1681
1682 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1683
1684         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1685         and IX86_BUILTIN_CMPNESS.
1686         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1687         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1688         * config/i386/i386.md (movti_internal): Correct type attribute.
1689         Simplify mode attribute.
1690         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1691         Correct type attribute.
1692         (absxf2): Correct operator.
1693         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1694         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1695         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1696         mode attribute.
1697         (sse2_vmsqrtv2df2): Correct mode attribute.
1698
1699 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1700
1701         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1702         16 bits. Provide insn pattern for this case.
1703
1704 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1705
1706         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1707         result.
1708         (__popcountDI2): Likewise.
1709
1710 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1711
1712         PR target/25166
1713         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1714         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1715         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1716         functions.
1717
1718 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1719
1720         * c-typeck.c (null_pointer_constant_p): New function.
1721         (build_conditional_expr, build_c_cast, convert_for_assignment,
1722         build_binary_op): Use it.
1723
1724 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1725
1726         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1727         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1728         CONVERT_EXPR.
1729         (check_function_arguments_recurse): Allow both NOP_EXPR and
1730         CONVERT_EXPR but check conversions preserve precision.
1731         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1732         but check conversions preserve precision.
1733         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1734         default case.
1735
1736 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1737
1738         PR c/7776
1739         * common.opt (Wstring-literal-comparison): New command line option.
1740         * c-opts.c (c_common_handle_option): Set it with -Wall.
1741         * c-typeck.c (parser_build_binary_op): Issue warning if either
1742         operand of a comparison operator is a string literal, except for
1743         testing equality or inequality against NULL.
1744
1745         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1746
1747 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1748
1749         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1750         of building a NOP_EXPR.
1751         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1752         NOP_EXPR.
1753         * c-convert.c (convert): Use fold_convert instead of building
1754         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1755         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1756         #if 0 code.
1757         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1758         NOP_EXPR the same as CONVERT_EXPR.
1759         * c-typeck.c (build_function_call): Use fold_convert instead of
1760         building a NOP_EXPR directly.
1761         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1762
1763 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1764
1765         PR rtl-optimization/25197
1766         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1767         have a reg.
1768
1769 2005-12-02  Stuart Hastings  <stuart@apple.com>
1770
1771         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1772         warning.
1773
1774 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1775
1776         * c-typeck.c (default_function_array_conversion,
1777         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1778         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1779         orig_op2.  Don't check them for NOP_EXPR.
1780         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1781         around integer zero.
1782
1783 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1784
1785         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1786         toc_save_offset, toc_size, lr_size.
1787         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1788         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1789         Adjust for removal of unused rs6000_stack_t fields.
1790         (debug_stack_info): Adjust.
1791         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1792         first, and don't bother checking for set/inc of lr on sibcalls.
1793         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1794
1795 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR target/25199
1798         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1799         5 if operand 1 is not aligned.  Undo previous constraint change.
1800         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1801
1802 2005-12-02  Richard Guenther  <rguenther@suse.de>
1803
1804         * tree.h (build): Remove prototype.
1805         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1806         * tree.c (build): Remove.
1807         (build0_stat): Update comment.
1808
1809 2005-12-02  Richard Guenther  <rguenther@suse.de>
1810
1811         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1812         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1813         Likewise.
1814         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1815         maybe_fold_offset_to_component_ref): Likewise.
1816         * tree-ssa-dom.c (thread_across_edge,
1817         simplify_rhs_and_lookup_avail_expr,
1818         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1819         Likewise.
1820         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1821         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1822         lower_try_finally_switch): Likewise.
1823         * tree-if-conv.c (add_to_dst_predicate_list,
1824         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1825         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1826         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1827         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1828         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1829         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1830         gimplify_init_ctor_eval, gimplify_init_constructor,
1831         gimplify_variable_sized_compare, gimplify_boolean_expr,
1832         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1833         gimplify_expr, gimplify_body, gimplify_function_tree,
1834         force_gimple_operand): Likewise.
1835         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1836         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1837         mx_register_decls): Likewise.
1838         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1839         get_frame_field, finalize_nesting_tree_1): Likewise.
1840         * tree-inline.c (setup_one_parameter): Likewise.
1841         * tree-vect-transform.c (vectorizable_condition): Likewise.
1842         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1843         Likewise.
1844         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1845         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1846         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1847         * tree-chrec.h (build_polynomial_chrec): Likewise.
1848
1849 2005-12-02  Richard Guenther  <rguenther@suse.de>
1850
1851         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1852         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1853         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1854         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1855         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1856         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1857         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1858         Likewise.
1859         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1860         sh_adjust_unroll_max): Likewise.
1861         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1862         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1863         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1864         Likewise.
1865         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1866         Likewise.
1867         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1868         Likewise.
1869
1870 2005-12-02  Richard Guenther  <rguenther@suse.de>
1871
1872         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1873         simplify_cond_using_ranges): Use buildN instead of build.
1874         * tree-tailcall.c (adjust_accumulator_values,
1875         adjust_return_value): Likewise.
1876         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1877         generate_element_copy, generate_element_zero,
1878         generate_one_element_init): Likewise.
1879         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1880         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1881         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1882         perfect_nestify): Likewise.
1883
1884 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1885
1886         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1887
1888 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1889
1890         * ggc.h (GGC_RESIZEVEC): New.
1891
1892 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1893
1894         * gcc.c (execute): Improve readability.
1895
1896 2005-12-02  Richard Guenther  <rguenther@suse.de>
1897
1898         * tree-cfg.c (mark_used_vars): New function.
1899         (dump_function_to_file): Dump only used VAR_DECLs.
1900
1901 2005-12-02  Richard Guenther  <rguenther@suse.de>
1902
1903         * convert.c (convert_to_integer): Fix compare for nonpositive
1904         constant to use tree_int_cst_sgn <= 0.
1905
1906 2005-12-02  Richard Guenther  <rguenther@suse.de>
1907
1908         * convert.c (convert_to_integer): Use fold_convert instead
1909         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1910         instead of comparing against 0.  Use build_int_cst instead
1911         of converting integer_zero_node.
1912
1913 2005-12-02  Richard Guenther  <rguenther@suse.de>
1914
1915         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1916         and RROTATE_EXPR.
1917  
1918 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1919
1920         PR target/21017
1921         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1922         rotates.
1923
1924 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1925
1926         PR middle-end/25176
1927         * function.c (expand_function_end): Emit blockage for unwinder
1928         after return label.
1929
1930 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1931
1932         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1933         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1934         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1935         integer constant comparisons.
1936
1937 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1938             Janis Johnson  <janis187@us.ibm.com>
1939             David Edelsohn  <dje@watson.ibm.com>
1940             Ben Elliston  <bje@au.ibm.com>
1941
1942         * dfp.h, dfp.c: New files.
1943         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1944         (DECNUM_H): Likewise.
1945         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1946         (INCLUDES): Append $(DECNUMINC).
1947         (OBJS-common): Add dfp.o.
1948         (dfp.o): New rule.
1949         * real.h (EXP_BITS): Pinch one bit to ..
1950         (struct real_value): Add decimal field.
1951         (real_format): Change table size, update documentation.
1952         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1953         (real_from_string3): Declare.
1954         (decimal_single_format): Declare.
1955         (decimal_double_format): Declare.
1956         (decimal_quad_format): Declare.
1957         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1958         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1959         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1960         * real.c: Include dfp.h.
1961         (normalize): Early return for decimal floats.
1962         (do_add): Zero decimal field.
1963         (do_compare): Call do_decimal_compare for decimal floats.
1964         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1965         (real_arithmetic): Call decimal_real_arithmetic for decimal
1966         floating point operands.
1967         (real_identical): If a and b are of differing radix, return false.
1968         (real_to_integer): Call decimal_real_to_integer if the value is a
1969         decimal float.
1970         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1971         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1972         (real_to_hexadecimal): Place "N/A" in the return string for
1973         decimal float.
1974         (real_from_string3): New variant, given a mode.
1975         (real_maxval): Use decimal_real_maxval for decimal floats.
1976         (round_for_format): Use decimal_round_for_format for decimals.
1977         (real_convert): Use decimal_real_convert where appropriate.
1978         (significand_size): Handle base 10.
1979         (encode_decimal_single, decode_decimal_single,
1980         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1981         decode_decimal_quad): New functions.
1982         (decimal_single_format): New.
1983         (decimal_double_format): New.
1984         (decimal_quad_format): New.
1985         * machmode.def: Add SD, DD and TD decimal floating point modes.
1986         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1987         Include MODE_DECIMAL_FLOAT.
1988         (DECIMAL_FLOAT_MODE_P): New.
1989         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1990         * genmodes.c (struct mode_data): Add counter field.
1991         (struct mode_data): Update comment for format.
1992         (blank_mode): Initialise counter field.
1993         (new_mode): Increment counter field for each mode defined.
1994         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1995         using a format.
1996         (make_complex_modes): Handle modes containing `D'.
1997         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1998         (make_decimal_float_mode): New.
1999         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2000         (cmp_modes): Compare counter field if other characteristics
2001         similar.
2002         (emit_real_format_for_mode): Support formats for decimal floats.
2003         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2004         Document MODE_DECIMAL_FLOAT.
2005
2006 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2007
2008         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2009         Delete dead code.
2010
2011 2005-12-01  Richard Henderson  <rth@redhat.com>
2012
2013         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2014
2015 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2016
2017         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2018
2019         * config/pa/pa.c (pa_init_builtins): If we detect
2020         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2021         putc_unlocked.
2022
2023 2005-12-01  Richard Guenther  <rguenther@suse.de>
2024
2025         * fold-const.c (fold_binary): Use fold_build2, not
2026         fold (build (...)).
2027
2028 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2029
2030         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2031
2032         * vec.h (VEC_block_remove): New.
2033
2034 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2035
2036         PR c/13384
2037         * c-common.c (lvalue_error): Fix wording.
2038
2039 2005-12-01  Richard Guenther  <rguenther@suse.de>
2040
2041         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2042         thinko in last patch.
2043
2044 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2045
2046         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2047         than -flat_namespace.
2048
2049 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2050
2051         * mklibgcc.in: Parameterise the script to build soft float
2052         functions by iterating over each type, rather than cloning the
2053         code for each type.
2054
2055 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2056
2057         PR middle-end/25158
2058         * builtins.c (fold_builtin_fputs): Defer check for missing
2059         replacement functions.
2060
2061 2005-11-30  Kean Johnston  <jkj@sco.com>
2062
2063         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2064         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2065
2066 2005-11-30  Richard Guenther  <rguenther@suse.de>
2067
2068         PR tree-optimization/22501
2069         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2070         function split out from ...
2071         (forward_propagate_addr_expr): ... here.  Use it to propagate
2072         ADDR_EXPRs to all uses.
2073
2074 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2075
2076         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2077         * builtins.c (expand_builtin_mathfn): Use them.
2078         (expand_builtin_mathfn_2): Likewise.
2079         (expand_builtin_mathfn_3): Likewise.
2080         (expand_builtin_int_roundingfn): Likewise.
2081         (expand_builtin): Likewise.
2082         (integer_valued_real_p): Likewise.
2083         (fold_builtin_int_roundingfn): Likewise.
2084         (fold_builtin_bitop): Likewise.
2085         (fold_builtin_logarithm): Likewise.
2086         (fold_builtin_1): Likewise.
2087         * convert.c (convert_to_integer): Likewise.
2088         * fold-const.c (negate_mathfn_p): Likewise.
2089         (tree_expr_nonnegative_p): Likewise.
2090
2091 2005-11-30  Dale Johannesen  <dalej@apple.com>
2092             Andrew Pinski  <pinskia@physics.uc.edu>
2093
2094         * combine.c (find_split_point):  Sign extend bitmask
2095         when changing bitfield assignment to IOR of AND.
2096
2097 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2098
2099         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2100         clobber to scratch reg.
2101         (*decrement_and_branch_until_zero_no_clobber): Remove.
2102         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2103         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2104         * config/ms1/ms1.opt (mmul): Remove.
2105         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2106         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2107
2108 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2109             Bernd Schmidt  <bernd.schmidt@analog.com>
2110
2111         * pa/predicates.md (symbolic_operand): Add comment.
2112         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2113         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2114         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2115         (pa_secondary_reload_class): Delete.
2116         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2117         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2118         copy of symbolic operand.
2119         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2120
2121 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2122
2123         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2124         jump.
2125
2126 2005-11-30  Jeff Law  <law@redhat.com>
2127
2128         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2129         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2130
2131 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2132
2133         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2134         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2135         (ia64_expand_move): Adjust caller.
2136
2137         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2138         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2139         negate VAL.
2140
2141 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2142
2143         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2144         Always produce an output if we can remove NEGs or canonicalize
2145         (minus (minus ...)) expressions.  Provide a fast path for the
2146         two-operand case.
2147         (simplify_gen_binary): Do not call simplify_plus_minus.
2148         (simplify_binary_operation_1): Reassociate at the end of the
2149         function.
2150
2151 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2152
2153         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2154         moves and unpack to speed up.
2155
2156 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2157
2158         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2159         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2160         (gen_v9_scc): Update callers.
2161         * config/sparc/sparc.md: Likewise.
2162         * config/sparc/sparc-protos.h: Update extern declaration.
2163
2164         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2165
2166 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2167
2168         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2169         the if.
2170
2171 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2172
2173         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2174         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2175         (negate_expr): Here.
2176
2177 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2178
2179         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2180         Fix typo in comment.
2181
2182 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2183
2184         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2185         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2186
2187 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2188
2189         PR middle-end/20109
2190         PR middle-end/25120
2191         * builtins.c (init_target_chars): New.
2192         (expand_builtin_printf, expand_builtin_fprintf,
2193         expand_builtin_sprintf, fold_builtin_sprintf,
2194         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2195         fold_builtin_snprintf_chk, fold_builtin_printf,
2196         fold_builtin_fprintf): Check for matching format strings using
2197         the target charset.
2198
2199 2005-11-29  Paul Brook  <paul@codesourcery.com>
2200
2201         * config.gcc: Do not use fixproto on m68k-elf.
2202
2203 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2204
2205         * expmed.c (div_cost): Replace with...
2206         (sdiv_cost, udiv_cost): New.
2207         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2208         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2209         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2210         (expand_divmod): Replace use of div_cost with either sdiv_cost
2211         or udiv_cost depending upon the signedness of the operation.
2212
2213 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2214
2215         PR libfortran/24991
2216         * config/darwin.c (machopic_indirection_name,
2217         machopic_output_indirection): Follow transparent alias chain.
2218
2219 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2220
2221         * varasm.c (ultimate_transparent_alias_target): Add comment.
2222
2223 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2224
2225         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2226         SET_SRC instead of XEXP where appropriate.
2227
2228 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2229
2230         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2231         __builtin_expect.
2232
2233 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2234
2235         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2236         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2237         bit at a time.
2238
2239 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2240
2241         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2242         secondary_input_reload_class, made static.  Adapt to new
2243         infrastructure.
2244         (secondary_output_reload_class): Delete.
2245         (TARGET_SECONDARY_RELOAD): New macro.
2246         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2247         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2248
2249 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2250
2251         PR c++/21166
2252         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2253         when its natural alignment is > BITS_PER_UNIT.
2254         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2255         * c-common.c (handle_packed_attribute): Ignore packing on a field
2256         whose type is naturally char aligned.
2257
2258 2005-11-28  Richard Guenther  <rguenther@suse.de>
2259
2260         * c-common.c (strict_aliasing_warning): Handle all
2261         component-ref like accesses.
2262
2263 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2264             Uros Bizjak  <uros@kss-loka.si>
2265
2266         PR middle-end/20219
2267         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2268         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2269         when flag_unsafe_math_optimizations is set and
2270         we don't care about NaNs or Infinities.
2271
2272         Move x/expN(y) and x/pow(y,z) transformation into common
2273         flag_unsafe_math_optimizations section.
2274
2275 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2276
2277         * gcc.c (main): Change type of argv to "char **".
2278
2279 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2280
2281         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2282         small data sections.
2283         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2284         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2285         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2286         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2287         output locals to sbss if !rs6000_elf_in_small_data_p.
2288         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2289
2290 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2291
2292         PR target/24997
2293         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2294         generated by reload.
2295         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2296         indexed_or_indirect_address.
2297         (indexed_or_indirect_address): Don't test for base reg.  Call
2298         address_operand last.  Make it a special predicate.
2299
2300 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2301
2302         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2303
2304 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2305
2306         PR middle-end/24575
2307         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2308         is undefined.
2309         (negate_expr): Likewise.
2310
2311 2005-11-27  Andreas Schwab  <schwab@suse.de>
2312
2313         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2314         redundant parens.
2315
2316 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2317
2318         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2319         has EH predecessor edges.
2320
2321 2005-11-26  Eric Christopher  <echristo@apple.com>
2322
2323         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2324         register stalls by zero extending to the full register.
2325
2326 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2327
2328         * config/floatunsisf.c, config/floatunsidf.c,
2329         config/floatunsixf.c, config/floatunsitf.c: New files.
2330         * config/ia64/t-hpux: Add floatunsitf.c.
2331         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2332         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2333
2334 2005-11-26  Richard Henderson  <rth@redhat.com>
2335
2336         * c-lex.c (pragma_lex): Rename from c_lex.
2337         * c-pch.c: Update for pragma_lex rename.
2338         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2339         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2340         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2341         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2342         * doc/tm.texi: Likewise.
2343
2344 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2345
2346         PR middle-end/23669
2347         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2348         when overflow is undefined.
2349
2350 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2351
2352         * doc/md.texi (Insn Canonicalizations): Refer to the
2353         function commutative_operand_precedence for further rules.
2354
2355 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2356
2357         PR middle-end/21309
2358         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2359         is less than zero.  Limit mult_cost to a reasonable upper bound for
2360         the synthetic multiplication sequence.
2361
2362 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2363
2364         PR middle-end/25022
2365         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2366         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2367         Lookup the explicit replacement functions for any unlocked
2368         stdio builtin transformations.
2369
2370 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2371
2372         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2373         earlyclobber.
2374         * targhooks.c (default_secondary_reload): Don't require operand 2
2375         for an input reload to be earlyclobber.
2376
2377 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2378
2379         * fold-const.c (negate_mathfn_p): Fix comment and add support
2380         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2381         BUILT_IN_ATANH.
2382
2383 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2384
2385         PR middle-end/24998
2386         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2387         _Q_ulltoq for unsigned conversions from SImode and DImode to
2388         TFmode.
2389
2390 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2391
2392         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2393         (__floatundidf, __floatundisf): Likewise.
2394
2395 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2396
2397         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2398         (rs6000_override_options): Remove initialization of
2399         rs6000_sr_alias_set.
2400         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2401         (rs6000_emit_stack_tie): Same.
2402         (emit_frame_save): Same.
2403         (gen_frame_mem_offset): Same.
2404         (rs6000_emit_prologue): Same.
2405         (rs6000_emit_epilogue): Same.
2406
2407 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2408
2409         PR middle-end/24989
2410         * fold-const.c (fold_build): Convert bool_var != 1 and
2411         bool_var == 0 to !bool_var.
2412
2413 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2414
2415         PR middle-end/24990
2416         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2417         for C being INTEGER_CST.  Likewise for !=.
2418
2419 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2420
2421         PR middle-end/24998
2422         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2423         unsigned conversions from SImode to TFmode.
2424
2425 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2426
2427         * expr.c (expand_expr_real_1): Fix error in last change.
2428
2429 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2430
2431         * caller-save.c: (this_insn_sets): Move into:
2432         (save_call_clobbered_regs).
2433         (mark_set_regs): Get this_insn_sets from data.
2434
2435         (save_call_clobbered_regs): Take sets of the return value by
2436         sibcalls into account.
2437
2438 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2439         PR target/21623:
2440
2441         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2442         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2443         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2444         (memory_move_secondary_cost, init_reg_autoinc): Remove
2445         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2446         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2447         secondary_reload_class call.
2448         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2449         callers.
2450         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2451         (push_secondary_reload): Use secondary_reload target hook.
2452         (secondary_reload_class, scratch_reload_class): New functions.
2453         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2454         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2455         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2456         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2457         (secondary_reload_class, scratch_reload_class): Declare.
2458         * reload1.c: Include target.h.
2459         (reload_adjust_reg_for_temp): New function.
2460         (reload_adjust_reg_for_icode): Likewise.
2461         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2462         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2463         call.
2464         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2465         for inheritance.  Support case when both secondary & tertiary reloads
2466         are for intermediate registers.
2467         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2468         with secondary_reload_class call.  Support case when both secondary
2469         & tertiary reloads are for intermediate registers.
2470         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2471         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2472         * target.h (secondary_reload_info): New struct / typedef.
2473         (struct gcc_target): New member secondary_reload.
2474         * targhooks.c Include reload.h, optabs.h and recog.h.
2475         (default_secondary_reload): New function.
2476         * targhooks.h (default_secondary_reload): Declare.
2477         * doc/tm.texi: Document secondary_reload target hook.  Update
2478         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2479         * doc/md.texi: Likewise.
2480
2481         * sh-protos.h (sh_secondary_reload): Declare.
2482         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2483         (sh_secondary_reload): New function.
2484         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2485         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2486         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2487         (HAVE_SECONDARY_RELOADS): Define.
2488         * sh.md (reload_indf): Rename to:
2489         (reload_indf__frn).
2490         (reload_outdf): Rename to:
2491         (reload_outdf__RnFRm).
2492         (reload_insf): Rename to:
2493         (reload_insf__frn).
2494         (reload_insi): Rename to:
2495         (reload_insi__i_fpul).
2496
2497 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2498
2499         * configure.ac: Require at least texinfo 4.4.
2500         * configure: Regenerate.
2501
2502         * doc/install.texi (Tools/packages necessary for building GCC):
2503         Update required version of texinfo to at least 4.4.
2504         (Installing GCC: Building): Update required version of texinfo
2505         to at least 4.4.
2506         (Installing GCC: Final installation): Update required version
2507         of texi2dvi to at least 4.4.
2508         (Host/target specific installation notes for GCC): Update required
2509         version of texinfo to at least 4.4.
2510
2511 2005-11-24  Richard Guenther  <rguenther@suse.de>
2512         Dirk Mueller <dmueller@suse.de>
2513
2514         PR c++/14024
2515         * c-common.h (strict_aliasing_warning): Declare.
2516         * c-common.c (strict_aliasing_warning): New function,
2517         split out from ...
2518         * c-typeck.c (build_c_cast): ... here.
2519
2520 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2521
2522         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2523         to order operands.
2524         (swap_commutative_operands_with_target): New.
2525
2526 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2527
2528         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2529         also when doing PRE, rather than only for global CPROP.
2530
2531 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2532
2533         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2534         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2535         formatting.
2536         (expand_twoval_unop): Likewise.
2537         (widen_clz): Likewise.
2538         (expand_parity): Likewise.
2539         (expand_unop): Likewise.
2540         (emit_cmp_and_jmp_insn_1): Likewise.
2541         (prepare_float_lib_cmp): Likewise.
2542
2543 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2544
2545         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2546         Remove unused `class' variable.
2547
2548 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2549
2550         PR c++/21667
2551         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2552         C/C++ diagnostic function warn_array_subscript_with_type_char.
2553         * c-common.h (warn_array_subscript_with_type_char): Declare.
2554         * c-common.c (warn_array_subscript_with_type_char): Define.
2555
2556 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2557
2558         PR c/21668
2559         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2560         compiling at the intersection of C and C++.
2561
2562 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2563
2564         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2565         List @file in the option summary.  Include the libiberty
2566         documentation for @file.
2567         * gcc.c (main): Call expandargv.
2568         * Makefile.in (gcc-vers.texi): Define srcdir.
2569
2570 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2571
2572         * passes.c (init_optimization_passes): Document
2573         sequencing of passes.
2574
2575 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2576
2577         * config/m68k/predicates.md (pcrel_address, extend_operator,
2578         post_inc_operand, pre_dec_operand): Remove redundant
2579         conditionals.
2580         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2581         instead of abort.
2582         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2583
2584 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2585
2586         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2587
2588 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2589
2590         Preparatory work for PR target/21623:
2591         * alpha.c (secondary_reload_class): Rename to:
2592         (alpha_secondary_reload_class).
2593         * alpha.h, alpha-protos.h: Likewise.
2594         * mn10300.c (secondary_reload_class): Rename to:
2595         (mn10300_secondary_reload_class).
2596         * mn10300.h, mn10300-protos.h: Likewise.
2597         * pa.c (secondary_reload_class): Rename to:
2598         (pa_secondary_reload_class).
2599         * pa.h, pa-protos.h: Likewise.
2600         * rs6000.c (secondary_reload_class): Rename to:
2601         rs6000_secondary_reload_class.
2602         * rs6000.h, rs6000-protos.h: Likewise.
2603
2604 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2605
2606         PR middle-end/22561
2607         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2608
2609 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2610
2611         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2612         a mode_class.
2613         (prepare_cmp_insn): Likewise.
2614
2615 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2616
2617         PR target/23435
2618         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2619         if both operands[0] and operands[1] are memory.
2620
2621 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2622
2623         PR middle-end/23606
2624         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2625         COMPARISON_CLASS_P and an integral types create create a new
2626         expression with the new type and fold that.
2627
2628 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2629
2630         PR target/24988
2631         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2632         to SUBTARGET_OS_CPP_BUILTINS.
2633
2634 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2635
2636         * arm.c (emit_set_insn): New function.
2637         (arm_split_constant): Call it.
2638         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2639         (arm_legitimize_address): Likewise.  Use plus_constant.
2640         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2641         (thumb_expand_prologue): Likewise.
2642         (arm_gen_load_multiple): Use VOIDmode in SET.
2643         (arm_gen_store_multiple): Likewise.
2644         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2645         (emit_multi_reg_push): Likewise.
2646         (emit_sfm): Use plus_constant.
2647
2648 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2649
2650         PR target/24954
2651         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2652         typo last change.
2653
2654 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2655
2656         PR middle-end/24950
2657         * expmed.c (store_bit_field): Don't attempt to insv a field
2658         larger than the reg.
2659
2660 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2661
2662         PR target/24954
2663         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2664         explicit sign extension, not a (char) cast.
2665
2666 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2667
2668         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2669         GET_MODE_CLASS (x) == MODE_FLOAT.
2670         * config/i386/i386.c: Likewise.
2671         * config/rs6000/xcoff.h: Likewise.
2672         * config/rs6000/linux64.h: Likewise.
2673         * config/rs6000/rs6000.c: Likewise.
2674         * config/rs6000/rs6000.h: Likewise.
2675         * config/rs6000/predicates.md: Likewise.
2676         * config/rs6000/sysv4.h: Likewise.
2677
2678 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2679
2680         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2681         flag_pic is set.
2682
2683         * config/alpha/freebsd.h, config/alpha/linux.h,
2684         config/arm/linux-elf.h, config/bfin/bfin.h,
2685         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2686         config/i386/beos-elf.h, config/i386/gnu.h,
2687         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2688         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2689         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2690         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2691         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2692         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2693         config/sparc/linux.h, config/sparc/linux64.h,
2694         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2695
2696         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2697         are both defined when either flag -fpic or -fPIC are used.
2698
2699 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2700
2701         * config/fp-bit.c (clzusi): New function.
2702         (si_to_float, usi_to_float): Use it to compute proper shift.
2703         (usi_to_float): Preserve guard bits when shifting right.
2704         * libgcc-std.ver (GCC_4.2.0): New version.
2705         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2706         __floatundisf): New functions.
2707         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2708         __floatundisf): Declare.
2709         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2710         _floatundixf, and _floatunditf.
2711         * optabs.c (expand_float): If target does not define a pattern for
2712         signed or unsigned conversion, use an unsigned libcall instead of
2713         a signed one.
2714         (init_optabs): Initialize ufloat_optab.
2715
2716 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2717
2718         * config/rs6000/rs6000.opt (mmulhw): New option.
2719         * doc/invoke.texi (-mmulhw): Document.
2720         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2721         for 405 and 440.
2722         * config/rs6000/rs6000.md: Add half-word multiply and
2723         multiply-accumulate instructions for 405 and 440.
2724
2725 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2726
2727         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2728         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2729         default now includes a linker group which makes the RTEMS one nest.
2730
2731 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2732
2733         * cse.c (fold_rtx): Typo fix.
2734         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2735
2736 2005-11-21  Richard Henderson  <rth@redhat.com>
2737
2738         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2739         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2740
2741         * c-tree.h (lookup_name): Move declaration ...
2742         * c-common.h (lookup_name): ... here.
2743         * config/darwin-c.c: Include c-common.h.
2744         * config/t-darwin: Update dependencies.
2745
2746 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2747
2748         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2749         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2750         * genopinit.c (gen_insn): Likewise.
2751         * reload.c (find_equiv_reg): Likewise.
2752         * loop.c (load_mems): Likewise.
2753         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2754         * cse.c (find_comparison_args, fold_rtx): Likewise.
2755         * dwarf2out.c (add_const_value_attribute): Likewise.
2756         * expr.c (convert_move): Likewise.
2757         * recog.c (general_operand, register_operand): Likewise.
2758         * reg-stack.c (replace_reg): Likewise.
2759         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2760         * c-common.c (handle_vector_size_attribute): Likewise.
2761         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2762         (simplify_binary_operation_1): Likewise.
2763         (simplify_const_binary_operation): Likewise.
2764         (simplify_relational_operation): Likewise.
2765         (simplify_const_relational_operation): Likewise.
2766         (simplify_immed_subreg): Likewise.
2767         * emit-rtl.c (gen_lowpart_common): Likewise.
2768         * expmed.c (expand_mult): Likewise.
2769         * stor-layout.c (layout_type): Likewise.
2770
2771 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2772
2773         PR target/24951
2774         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2775         cst2 only for SPE vectors.
2776
2777 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2778
2779         PR target/24953
2780         * config/rs6000/predicates.md (vrsave_operation): Check
2781         UNSPEC_VOLATILE value.
2782
2783 2005-11-21  Jan Hubicka  <jh@suse.cz>
2784
2785         PR tree-optimization/24653
2786         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2787
2788 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2789
2790         * config/i386/predicates.md (ax_reg_operand): New predicate.
2791         (memory_displacement_only_operand): New predicate.
2792         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2793         operand is AX register and the other operand is memory operand
2794         with displacement only.
2795
2796 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2797
2798         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2799         if we don't care about NaNs or Infinities.
2800
2801 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2802
2803         PR rtl-optimization/24883
2804         * combine.c (combinable_i3pat): When checking whether the
2805         destination of i3 is used in i3, consider paradoxical subregs.
2806
2807 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2808
2809         PR middle-end/20583
2810         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2811
2812 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2813
2814         * combine.c (try_combine): Do not run subst on i1src and i2src in
2815         the case of generating a PARALLEL for a comparison.
2816
2817 2005-11-20  Richard Henderson  <rth@redhat.com>
2818
2819         PR 24931
2820         * tree-sra.c (struct sra_elt): Add all_no_warning.
2821         (struct sra_walk_fns) <use>: Add use_all argument.
2822         (sra_walk_expr): Pass it.
2823         (sra_walk_modify_expr): Likewise.
2824         (scalarize_ldst): Likewise.
2825         (scan_use): Update for new argument.
2826         (mark_no_warning): New.
2827         (scalarize_use): Use it.
2828
2829 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2830
2831         * expr.c (expand_expr_real): Use usmul_optab for widening
2832         signed * unsigned multiplies.
2833         * genopinit.c (optabs): Add usmul_widen_optab.
2834         * optabs.c (init_optabs): Likewise.
2835         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2836         (usmul_widen_optab): Define.
2837         * config/bfin/bfin.md (usmulhisi3): New pattern.
2838
2839         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2840
2841 2005-11-20  Graham Stott <btinternet.com>
2842
2843         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2844
2845 2005-11-20  Andreas Schwab  <schwab@suse.de>
2846
2847         PR target/24757
2848         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2849         insn.
2850
2851 2005-11-19  Richard Henderson  <rth@redhat.com>
2852
2853         PR tree-opt/24665
2854         * tree-gimple.c (is_gimple_id): Export.
2855         * tree-gimple.h (is_gimple_id): Declare.
2856         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2857         (get_default_value): Use it.
2858         (maybe_fold_stmt_indirect): Likewise.
2859
2860 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2861
2862         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2863         than VR1 or vice-versa.
2864
2865 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2866
2867         PR middle-end/24912
2868         PR middle-end/24750
2869         * reload.c (find_reloads_address_1): Mention dependency on
2870         gen_reload.
2871         * reload1.c (gen_reload): For IN with an unary operation, try
2872         moving inner expression to OUT if trivial SET is not valid.
2873         Confirm that the result is valid.  Move common code block into...
2874         (emit_insn_if_valid_for_reload): New function.
2875
2876 2005-11-19  Richard Guenther  <rguenther@suse.de>
2877
2878         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2879         ARRAY_REFs of constant strings.
2880
2881 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2882
2883         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2884         fatal format string.
2885
2886 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2887
2888         * combine.c (make_compound_operation): Swap operands of
2889         commutative operation if necessary before returning.
2890
2891 2005-11-19  Richard Guenther  <rguenther@suse.de>
2892
2893         PR middle-end/23294
2894         * fold-const.c (fold_plusminus_mult_expr): New function.
2895         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2896         cases, remove now unnecessary code.
2897
2898 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2899
2900         * gensupport.c (old_preds): Rename to std_preds, add special field.
2901         (struct old_pred_table): Rename to struct std_pred_table, add special
2902         field.
2903         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2904         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2905         (init_predicate_table): Adjust, and set along the way whether a
2906         predicate is special.
2907
2908 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2909
2910         * BASE-VER: Change to 4.2.0.
2911
2912 2005-11-18  James E Wilson  <wilson@specifix.com>
2913
2914         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2915         returning it.
2916
2917 2005-11-18  Mike Stump  <mrs@apple.com>
2918
2919         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2920         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2921         * c-decl.c (lookup_name_two) Remove.
2922         * c-tree.h (lookup_name_two): Remove.
2923         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2924         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2925         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2926         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2927
2928 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2929
2930         PR target/24914
2931         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2932         when not generating code to use that co-processor.
2933
2934 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2935
2936         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2937         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2938         these functions are now in tree-phinodes.c.
2939
2940 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2941
2942         * config/bfin/bfin.md (trap): New pattern.
2943
2944 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2945
2946         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2947         on types.
2948
2949         * expr.c (expand_expr_real): Don't call record_block_change unless
2950         ib_boundaries_block is non-null
2951
2952         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2953
2954         * fold-const.c (build_range_check): Use proper type for subtraction
2955         when merging lower bound.
2956
2957 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2958
2959         PR rtl-optimization/24497
2960         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2961         the copied insn.
2962
2963 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2964
2965         * tree-scalar-evolution.c (expression_expensive_p): New function.
2966         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2967
2968 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2969
2970         * config/bfin/crtlibid.s: New file.
2971
2972 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2973
2974         PR target/24348
2975         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2976         when not using sjlj exceptions.
2977         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2978         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2979         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2980         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2981         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2982         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2983         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2984         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2985         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2986         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2987         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2988         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2989         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2990         defines.
2991         * config/pa/hpux-unwind.h: New file.
2992
2993 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2994
2995         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2996         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2997         * varasm.c (do_assemble_alias): Adjust call.
2998         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2999         is defined.
3000         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3001
3002 2005-11-17  James E Wilson  <wilson@specifix.com>
3003
3004         * tree.def (FUNCTION_DECL): Correct typo in comment.
3005
3006 2005-11-17  Richard Henderson  <rth@redhat.com>
3007
3008         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3009         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3010         and DW_CFA_def_cfa_sf.
3011         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3012         (dbx_reg_number): Don't assert particular registers here.
3013         (based_loc_descr): ... do it here instead.  Fold in ...
3014         (eliminate_reg_to_offset): ... this function.
3015         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3016         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3017         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3018         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3019         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3020         (instantiate_virtual_regs): Likewise.
3021         * var-tracking.c (adjust_stack_reference): Likewise.
3022         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3023
3024 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3025
3026         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3027         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3028         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3029         crtlibid.o.
3030         ($(T)crtlibid.o): New rule.
3031
3032 2005-11-16  Richard Guenther  <rguenther@suse.de>
3033
3034         PR middle-end/24851
3035         * fold-const.c (extract_array_ref): Return byte offset
3036         in all cases.
3037         (fold_binary): Fold &x[a] CMP &x[b] to
3038         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3039         behavior.
3040
3041 2005-11-16  Richard Henderson  <rth@redhat.com>
3042
3043         PR middle-end/23497
3044         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3045         parts of an SSA_NAME.
3046
3047 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3048
3049         PR target/24861
3050         * arm.md (split for movsf with immediate): Restrict split to insns
3051         that set a general register.
3052
3053 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3054
3055         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3056         uw_update_context.
3057         * unwind-dw2.c (uw_advance_context): Likewise.
3058         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3059         _Unwind_SjLj_Unregister.
3060         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3061
3062 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3063
3064         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3065
3066 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3067
3068         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3069         langhook to get a DImode integer type.
3070
3071 2005-11-16  Richard Henderson  <rth@redhat.com>
3072             J"orn Rennecke <joern.rennecke@st.com>
3073             Ulrich Weigand  <uweigand@de.ibm.com>
3074
3075         PR rtl-opt/24160
3076         PR target/24621
3077         * reload1.c (reg_equiv_invariant): New.
3078         (reload): Allocate, initialize, and free it.
3079         (calculate_needs_all_insns): Check it when skipping equivalence
3080         setting insns.
3081         (alter_reg): Likewise.
3082         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3083         may_use_invariant argument; only use reg_equiv_invariant when true.
3084         (eliminate_regs): New.
3085         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3086         a context for which may_use_invariant may be true.
3087
3088 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3089
3090         * fold-const.c (const_binop): Don't constant fold the operation
3091         if the result has overflowed and flag_trapping_math.
3092         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3093
3094 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3095
3096         * config/arm/unwind-arm.c (abort): Add prototype here.
3097         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3098         (struct phase1_vrs): Add prev_sp.
3099         (unwind_phase2_forced): Save the original core registers instead of
3100         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3101         and set action flags accordingly.  Always set _US_END_OF_STACK when
3102         get_eit_entry fails.  Unwind before calling the stop function.
3103         (_Unwind_GetCFA): New function.
3104         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3105         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3106         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3107         just call unwind_phase2_forced.
3108         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3109         * config/arm/unwind-arm.h (abort): Remove prototype.
3110         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3111         prototypes.
3112         (_Unwind_GetCFA): New prototype.
3113         * config/arm/pr-support.c (abort): Add prototype here.
3114         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3115         forced unwinding.
3116         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3117         not schedule the prologue with non-call exceptions and EABI.
3118
3119 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3120
3121         * config/arm/unwind-arm.h: Reorder interface function declarations.
3122         (_URC_END_OF_STACK): New enumeration value.
3123         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3124         (struct _Unwind_Control_Block): Document reserved field use.
3125         (_Unwind_Stop_Fn): New typedef.
3126         (_Unwind_ForcedUnwind): Declare.
3127         (_Unwind_Resume_or_Rethrow): Declare.
3128         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3129         argument.  Adjust.
3130         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3131         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3132         (UCB_FORCED_STOP_ARG): New.
3133         (search_EIT_table): Update boundary condition checks.
3134         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3135         (unwind_phase2): Replace for with do..while.
3136         (unwind_phase2_forced): New.
3137         (__gnu_Unwind_RaiseException): Replace for with do..while.
3138         (__gnu_Unwind_ForcedUnwind): New.
3139         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3140         Use appropriate phase2 unwinder.
3141         (__gnu_Unwind_Resume_or_Rethrow): New.
3142         (__gnu_unwind_pr_common): Cope with forced unwinding.
3143
3144 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3145
3146         PR target/24772
3147         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3148
3149         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3150         roundsf2): Remove "s" from mnemonic.
3151
3152 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3153
3154         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3155         __PIC__ is defined.
3156         * config/bfin/crtn.s: Change epilogues to match.
3157         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3158         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3159         __PIC__ and __pic__.
3160
3161 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3162
3163         PR 24357
3164         * doc/invoke.texi: Distinguish between free and fixed form instead of
3165         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3166         languages.
3167         * gcc.c (default_compilers): Remove double entries, add entries for
3168         suffixes '.F90' and '.F95'.
3169
3170 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3171
3172         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3173         in the stack probing loop.
3174
3175 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3176
3177         * configure.ac: Use .machine power5 not power5x.
3178         * configure: Regenerate.
3179
3180 2005-11-15  Mike Stump  <mrs@apple.com>
3181
3182         * c-decl.c (lookup_name_two): Add.
3183         * c-tree.h (lookup_name_two): Likewise.
3184         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3185         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3186
3187 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3188
3189         PR rtl-optimization/23392
3190         * regrename.c (enum scan_actions) Add mark_access.
3191         (scan_actions_name): Ditto.
3192         (scan_rtx_reg): Handle mark_access.
3193         (scan_rtx_address): Do nothing for mark_access.
3194         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3195         and regs in REG_INC notes before closing chains for dead regs.
3196         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3197         opening chains for new writes.
3198
3199 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3200
3201         * c.opt (ffixed-line-length-none): New.
3202
3203 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3204
3205         * mklibgcc.in: Change contents of eh_dummy.c.
3206
3207 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3208
3209         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3210
3211 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3212
3213         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3214         of making syscalls.
3215         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3216
3217 2005-11-15  Jan Hubicka  <jh@suse.cz>
3218
3219         * invoke.texi (large-unit-insns): Document.
3220         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3221         * params.def (large-unit-insns): New param.
3222
3223 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3224
3225         PR target/24869
3226         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3227         special register for operand 3.  Reindent constraints to align
3228         them vertically.
3229
3230 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3231
3232         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3233         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3234         * configure.ac: Add test for FP rounding instructions.
3235         * configure: Regenerate.
3236         * config.in: Regenerate.
3237         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3238         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3239         features enabled.
3240         * config/rs6000/rs6000.opt (mfprnd): New.
3241         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3242         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3243         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3244         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3245         (TARGET_FPRND): New.
3246         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3247         UNSPEC_FRIZ): New.
3248         (btrunc<mode>2): New.
3249         (ceil<mode>2): New.
3250         (floor<mode>2): New.
3251         (round<mode>2): New.
3252
3253 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3254
3255         * gcc.c (version_compare_spec_function): Use fatal() rather than
3256         abort().
3257
3258         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3259         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3260         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3261         as empty.
3262         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3263         link in crt2.o.
3264
3265         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3266         on -mmacosx-version-min setting.
3267
3268 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3269
3270         PR 24840
3271         * tree-vrp.c (infer_value_range): Return false if STMT is a
3272         block terminator and its basic block has no successors.
3273
3274 2005-11-14  Mike Stump  <mrs@apple.com>
3275
3276         * config/i386/i386.c (override_options): -masm=intel isn't
3277         supported on darwin.
3278         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3279
3280 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3281
3282         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3283         vfork after including auto-host.h.
3284
3285 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3286
3287         PR rtl-optimization/22002
3288         * combine.c (distribute_notes): Detect cases where a reg dies
3289         two or more times in a bb, including on the insn we are combining,
3290         and place the death note on the correct range.
3291
3292 2005-11-14  Dale Johannesen  <dalej@apple.com>
3293
3294         * expmed.c (store_bit_field):  Add offset unconditionally for
3295         memory targets.
3296         (extract_bit_field):  Don't force extzv or extv operand into
3297         a register if field is too big.
3298
3299 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3300
3301         * config/arm/arm.c (pic_labelno): New.
3302         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3303         LABEL_REF.  Pass only the labelno to PIC insns.
3304         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3305         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3306         * arm.md (UNSPEC_PIC_LABEL): New constant.
3307         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3308         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3309         Use the correct label prefix.
3310
3311 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3312
3313         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3314         REQ_EQUIV note.
3315
3316 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3317
3318         * loop-invariant.c: Include tm_p.h.
3319         * Makefile.in: Updated.
3320
3321 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3322
3323         * pa.c (store_reg): Revise generation of frame notes in large frames.
3324         (set_reg_plus_d): Likewise.
3325
3326 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3327
3328         PR tree-optimization/24709
3329         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3330         loop check.
3331
3332 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3333
3334         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3335         and duplicate declaration of pthread_self.
3336
3337 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3338             Ian Lance Taylor  <ian@airs.com>
3339
3340         PR middle-end/24003
3341         * calls.c (expand_call): If TARGET is a MEM and some part of the
3342         argument area has been saved, force TARGET to a register.
3343
3344 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3345
3346         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3347         checking.
3348
3349 2005-11-13  Jason Merrill  <jason@redhat.com>
3350
3351         PR c++/22489
3352         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3353         lazily declared methods.
3354         (force_decl_die): Stop if forcing out the context already make a
3355         DIE for the decl.
3356         (force_type_die): Likewise.
3357
3358 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3359
3360         PR middle-end/24820
3361         * builtins.c (integer_valued_real_p): Add break in
3362         REAL_CST having TREE_OVERFLOW set.
3363
3364 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3365
3366         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3367         addressing modes during calculation of costs.
3368
3369 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3370
3371         * function.c (assign_stack_local_1): Restrict sanity check
3372         on frame size overflow to 32-bit and above platforms.
3373
3374 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3375
3376         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3377         * config/cris/cris.c: Include reload.h.
3378         (cris_initial_elimination_offset): New function.
3379         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3380         Prototype.
3381
3382 2005-11-12  Richard Guenther  <rguenther@suse.de>
3383
3384         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3385
3386 2005-11-12  Jan Hubicka  <jh@suse.cz>
3387
3388         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3389         to compare against 0 when possible.
3390
3391 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3392
3393         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3394         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3395         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3396         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3397         in the new order.
3398
3399 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3400
3401         * recog.c (constrain_operands) <case 'g'>: For a match, require
3402         that a non-register matches general_operand when strict >= 0.
3403
3404 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3405
3406         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3407         previous checkin.
3408
3409 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3410
3411         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3412         (memory_address_same): New.
3413         (dse_optimize_stmt): Call memory_address_same.
3414
3415 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3416