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2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
2
3         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4         Use the arguments.
5
6 2006-02-18  Mark Wielaard  <mark@klomp.org>
7
8         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9         who added new 4.1 features, bug fixes and integration support.
10
11 2005-02-18  David Edelsohn  <edelsohn@gnu.org>
12
13         PR target/26350
14         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15         MEM for ABI_V4 pic.
16
17 2005-02-18  Richard Sandiford  <richard@codesourcery.com>
18
19         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
20         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
21         (copy_insn_1): Likewise.  Don't copy each field individually.
22         Reindent.
23         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
24         of RTX_SIZE.
25         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
26         * rtl.c (rtx_size): Rename variable to...
27         (rtx_code_size): ...this.
28         (rtx_size): New function.
29         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
30         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
31         Reindent.
32         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
33         * rtl.h (rtx_code_size): New variable.
34         (rtx_size): Change from a variable to a function.
35         (RTX_SIZE): Rename to...
36         (RTX_CODE_SIZE): ...this.
37
38         PR target/9703
39         PR tree-optimization/17106
40         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
41         (Anchored Addresses): New section.
42         * doc/invoke.texi (-fsection-anchors): Document.
43         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
44         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
45         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
46         * hooks.c (hook_bool_mode_rtx_false): New function.
47         * hooks.h (hook_bool_mode_rtx_false): Declare.
48         * gengtype.c (create_optional_field): New function.
49         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
50         SYMBOL_REF_IN_BLOCK_P is true.
51         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
52         (min_anchor_offset, max_anchor_offset): Likewise.
53         (use_anchors_for_symbol_p): New hook.
54         * toplev.c (compile_file): Call output_object_blocks.
55         (target_supports_section_anchors_p): New function.
56         (process_options): Check that -fsection-anchors is only used on
57         targets that support it and when -funit-at-a-time is in effect.
58         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
59         if the decl doesn't have one.
60         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
61         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
62         of force_const_mem through use_anchored_address.
63         (expand_expr_constant): New function.
64         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
65         calling expand_expr for INDIRECT_REF.
66         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
67         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
68         * expr.h (use_anchored_address): Declare.
69         * loop-unroll.c: Don't declare rtx vectors here.
70         * explow.c: Include output.h.
71         (validize_mem): Call use_anchored_address.
72         (use_anchored_address): New function.
73         * common.opt (-fsection-anchors): New switch.
74         * varasm.c (object_block_htab, anchor_labelno): New variables.
75         (hash_section, object_block_entry_eq, object_block_entry_hash)
76         (use_object_blocks_p, get_block_for_section, create_block_symbol)
77         (use_blocks_for_decl_p, change_symbol_section): New functions.
78         (get_variable_section): New function, split out from assemble_variable.
79         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
80         use_blocks_for_decl_p say so.  Use change_symbol_section if the
81         symbol has already been created.
82         (assemble_variable_contents): New function, split out from...
83         (assemble_variable): ...here.  Don't output any code for
84         block symbols; just pass them to place_block_symbol.
85         Use get_variable_section and assemble_variable_contents.
86         (get_constant_alignment, get_constant_section, get_constant_size): New
87         functions, split from output_constant_def_contents.
88         (build_constant_desc): Create a block symbol if use_object_blocks_p
89         says so.  Or into SYMBOL_REF_FLAGS.
90         (assemble_constant_contents): New function, split from...
91         (output_constant_def_contents): ...here.  Don't output any code
92         for block symbols; just pass them to place_section_symbol.
93         Use get_constant_section and get_constant_alignment.
94         (force_const_mem): Create a block symbol if use_object_blocks_p and
95         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
96         (output_constant_pool_1): Add an explicit alignment argument.
97         Don't switch sections here.
98         (output_constant_pool): Adjust call to output_constant_pool_1.
99         Switch sections here instead.  Don't output anything for block symbols;
100         just pass them to place_block_symbol.
101         (init_varasm_once): Initialize object_block_htab.
102         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
103         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
104         (place_block_symbol, get_section_anchor, output_object_block)
105         (output_object_block_htab, output_object_blocks): New functions.
106         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
107         (TARGET_ASM_OUT): Include it.
108         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
109         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
110         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
111         (TARGET_INITIALIZER): Include them.
112         * rtl.c (rtl_check_failed_block_symbol): New function.
113         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
114         (block_symbol, object_block): New structures.
115         (rtx_def): Add a block_symbol field to the union.
116         (BLOCK_SYMBOL_CHECK): New macro.
117         (rtl_check_failed_block_symbol): Declare.
118         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
119         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
120         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
121         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
122         * output.h (output_section_symbols): Declare.
123         (object_block): Name structure.
124         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
125         (default_use_anchors_for_symbol_p): Declare.
126         * Makefile.in (RTL_BASE_H): Add vec.h.
127         (explow.o): Depend on output.h.
128         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
129         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
130         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
131         (rs6000_use_blocks_for_constant_p): New function.
132
133 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
134
135         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
136
137 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
138
139         PR tree-opt/25680
140         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
141         IMAGPART_EXPR.
142
143 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
144
145         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
146         is_aliased.
147         Update all users.
148
149 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
150
151         PR middle-end/26334
152         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
153         instead of DECL_REGISTER.
154
155 2006-02-18  Olivier Hainque  <hainque@adacore.com>
156
157         PR ada/13408
158         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
159
160 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
161
162         PR target/24837
163         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
164         * opth-gen.awk: Handle Var and InverseMask together.
165         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
166         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
167         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
168         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
169         used together.
170         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
171         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
172         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
173         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
174         LINUX_DYNAMIC_LINKER): Define.
175         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
176         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
177         TARGET_GLIBC.
178         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
179         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
180         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
181         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
182         (TARGET_C99_FUNCTIONS): Don't define.
183         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
184         GLIBC_DYNAMIC_LINKER.
185         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
186         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
187         GLIBC_DYNAMIC_LINKER64): Define.
188         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
189         LINUX_DYNAMIC_LINKER64.
190         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
191         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
192         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
193         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
194         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
195         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
196         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
197         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
198         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
199         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
200         and LINUX_DYNAMIC_LINKER32.
201         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
202         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
203         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
204         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
205         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
206         TARGET_GLIBC.
207         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
208         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
209         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
210         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
211         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
212         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
213         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
214         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
215         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
216         LINUX_DYNAMIC_LINKER): Define.
217         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
218         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
219         GLIBC_DYNAMIC_LINKER64): Define.
220         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
221         LINUX_DYNAMIC_LINKER64.
222         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
223         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
224         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
225         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
226         LINUX_DYNAMIC_LINKER): Define.
227         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
228         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
229         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
230         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
231         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
232         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
233         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
234         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
235         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
236         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
237         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
238         * doc/invoke.texi (-muclibc): Remove caveat about supported
239         targets.
240
241 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
242
243         * doc/cpp.texi (__TIMESTAMP__): Document.
244
245 2006-02-17  Roger Sayle  <roger@eyesopen.com>
246
247         PR middle-end/25600
248         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
249         C is one less than the width of X (and related transformations).
250         * simplify_rtx.c (simplify_unary_operation_1): Transform 
251         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
252         depending on STORE_FLAG_VALUE, were C is one less then the
253         width of X.
254
255 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
256
257         Fix PR tree-optimization/26341
258         * tree-ssa-operands.c (add_virtual_operand): Remove assert 
259         about NAME_MEMORY_TAG's.
260
261 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
262
263         PR target/26255
264         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
265         with hardware float support, and software float support.  Add fcpy
266         alternative to hardware patterns.  Add alternatives to copy between
267         general and floating-point registers to the 32-bit pattern.
268         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
269         secondary reload to load a QI or HI mode constant into a floating
270         point register. 
271         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
272         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
273
274 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
275
276         PR target/26272
277         * config/rs6000/darwin.md (load_macho_picbase_si): Add
278         pc to the pattern.
279         (load_macho_picbase_di): Likewise.
280
281 2006-02-16  Jeff Law  <law@redhat.com>
282
283         * tree-vrp.c (set_value_range_to_nonnegative): New function.
284         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
285         (ssa_name_nonzero_p): Likewise.
286         (get_value_range): Return NULL if VRP is not running.
287         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
288         VRP routines do not discover a range.
289         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
290         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
291         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
292         (tree_expr_nonnegative_p): Similarly.
293         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
294         (restore_nonzero_vars_to_original_value): Remove.
295         (unsafe_associative_fp_binop): Remove.
296         (tree_ssa_dominator_optimize): Remove initialization and
297         finalization of nonzero_vars and nonzero_vars_stack.
298         (dom_opt_initialize_block): No longer push marker on
299         nonzero_vars_stack.
300         (dom_opt_finalize_block): No longer call
301         restore_nonzero_vars_to_original_value.
302         (record_equivalences_from_phis): No longer look for
303         nonzero PHI arguments.
304         (cprop_into_successor_phis): No longer propagate nonzero
305         property into PHI arguments.  Lose unused argument.  Caller
306         updated.
307         (record_equivalences_from_stmt): No longer record nonzero
308         values for SSA_NAMEs.
309         (lookup_avail_expr): No longer use nonzero_vars.
310
311         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
312         for sizetype when sizetype is unsigned.
313
314 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
315
316         PR rtl-optimization/25603
317         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
318         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
319         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p 
320         with new meaning of SETS.
321
322 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
323
324         PR target/20353
325         PR target/24578
326         PR target/24837
327         * config/linux.opt: New file.
328         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
329         LINUX_DYNAMIC_LINKER): Define.
330         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
331         * config.gcc (*-*-linux*): Define extra_options.
332         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
333         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
334         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
335         GLIBC_DYNAMIC_LINKER.
336         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
337         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
338         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
339         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
340         * doc/invoke.texi (GNU/Linux Options): New section.
341
342 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
343
344         * config/sparc/sparc.md (setjmp): Rewrite.
345         (setjmp_32): Delete.
346         (setjmp_64): Likewise.
347
348 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
349
350         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
351          previous change.
352
353 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
354
355         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
356         read-write uses.
357
358 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
359
360         PR rtl-optimization/26296
361         * Makefile.in (loop-invariant.c): Add except.h dependency.
362         * loop-invariant.c: Include except.h.
363         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
364
365 2005-02-16  Paul Brook  <paul@codesourcery.com>
366
367         * reload1.c (emit_reload_insns): Invalidate dead input registers used
368         for reloads.
369
370 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
371
372         PR rtl-optimization/25636
373         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
374         when deciding whether an insn is an initializing insn.
375
376 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
377
378         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
379         (tree_code_size): Ditto.
380         * tree.h (struct tree_memory_tag): Remove parent_var.
381         (struct tree_struct_field_tag): New.
382         (SFT_OFFSET): New.
383         (SFT_SIZE): New.
384         (union tree_node): Add sft member.
385         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
386         specially here.
387         (create_sft): Add size and offset argument, set SFT_OFFSET and
388         SFT_SIZE.
389         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
390         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
391         * tree-flow-inline.h (get_subvar_at): Update for
392         SFT_OFFSET/SFT_SIZE.
393         (var_can_have_subvars): Ditto.
394         (overlap_subvar): Ditto.
395         * print-tree.c (print_node): Print out interesting things for
396         SFT's.
397         * tree-flow.h (struct subvar): Remove offset and size members.
398         * tree-ssa-operands.c (get_expr_operands): Update for
399         get_indirect_ref_operands changes.
400         (get_indirect_ref_operands): Call add_virtual_operand instead of
401         add_stmt_operand.  Only recurse on base var if requested.
402         (access_can_touch_variable): New function.
403         (add_stmt_operand): Split virtual operand handling into ...
404         (add_virtual_operand): Here.  Add offset, size, and for_clobber
405         arguments.  Prune alias sets.
406         (add_call_clobber_ops): Call add_virtual_operand.
407         
408 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
409
410         PR middle-end/26300
411         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
412
413         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
414         than TREE_CODE as index into omp_clause_num_ops array.
415
416 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
417
418         PR rtl-optimization/26184
419         * modulo-sched.c (generate_reg_moves): Free bitmap vector
420         uses_of_defs.
421         * modulo-sched.c (sms_schedule): Free g_arr pointer.
422         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
423         must_precede, must_follow and tobe_scheduled.
424
425         PR other/26147
426         * opts.c (common_handle_option): Free new_option pointer.
427         * df-core.c (df_analyze): Free postorder pointer.
428
429 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
430
431         * Makefile.in: Fix the examples about the use of stamps
432
433 2006-02-15  Michael Matz  <matz@suse.de>
434
435         PR middle-end/22275
436
437         * stor-layout.c (layout_decl): Zero-width bitfields aren't
438         influenced by maximum_field_alignment or DECL_PACKED.
439         (update_alignment_for_field): Ditto.
440         (place_field): Ditto.
441         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
442         this behaviour.
443
444 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
445
446         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
447         (debug_flow_info): Pass it.
448         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
449         * bb-reorder.c (reorder_basic_blocks): Likewise.
450         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
451         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
452         * flow.c (life_analysis, recompute_reg_usage): Likewise.
453         * gcse.c (gcse_main, bypass_jumps): Likewise.
454         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
455         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
456         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
457         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
458         * rtl.h (dump_flow_info): Adjust prototype.
459         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
460         * var-tracking.c (variable_tracking_main): Likewise.
461         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
462         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
463         options.
464
465 2006-02-15  Marcin Dalecki <martin@dalecki.de>
466
467         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
468         construction.
469
470 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
471
472         PR tree-optimization/26209
473         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
474         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
475         eh edges.
476         * tree-cfg.c (replace_uses_by): Do not alter cfg.
477
478 2006-02-14  Roger Sayle  <roger@eyesopen.com>
479
480         PR middle-end/23670
481         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
482         (X,Y) and the corresponding symmetry related transformations.
483         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
484         (X,Y) and its symmetry related transformations.
485
486 2006-02-14  Roger Sayle  <roger@eyesopen.com>
487
488         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
489         and GEU.
490
491 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
492
493         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
494
495 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
496
497         PR bootstrap/26053
498         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
499         support COMDAT group.
500         * configure: Regenerate.
501
502 2006-02-14  Roger Sayle  <roger@eyesopen.com>
503
504         PR middle-end/26279
505         PR middle-end/26280
506         PR middle-end/26283
507         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
508
509 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
510
511         Fix PR tree-optimization/26260
512
513         * doc/invoke.texi (max-fields-for-field-sensitive): Document
514         param.
515         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
516         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
517         * tree-ssa-structalias.c (create_variable_info_for): Use
518         MAX_FIELDS_FOR_FIELD_SENSITIVE.
519         
520 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
521
522         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
523         Document.
524         * tree-ssa-loop-niter.c (number_of_iterations_ne,
525         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
526         of the ending condition.
527         * tree-ssa-loop-manip.c: Include params.h.
528         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
529         tree_unroll_loop): New functions.
530         * tree-pass.h (pass_loop_prefetch): Declare.
531         * loop.c (rest_of_handle_loop_optimize): Test for
532         -fprefetch-loop-arrays-rtl.
533         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
534         * timevar.def (TV_TREE_PREFETCH): New timevar.
535         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
536         pass_loop_prefetch): New.
537         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
538         (cleanup_tree_cfg_loop): Call scev_reset.
539         * common.opt (fprefetch-loop-arrays-rtl): Add.
540         * tree-ssa-loop-prefetch.c: New file.
541         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
542         (new_temp_expr_table): Initialize expr_vars.
543         (free_temp_expr_table): Cleanup expr_vars.
544         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
545         expressions from being merged into one.
546         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
547         (struct tree_niter_desc): Add control, bound and cmp fields.
548         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
549         Declare.
550         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
551         (tree-cfgcleanup.o): Add SCEV_H dependency.
552         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
553         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
554
555 2006-02-14  Richard Guenther  <rguenther@suse.de>
556
557         PR tree-optimization/26258
558         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
559         in PHI argument processing.
560
561 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
562
563         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
564         new expression in the requested machine mode.
565
566 2006-02-13  Roger Sayle  <roger@eyesopen.com>
567
568         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
569         directly, instead let do_compare_rtx_and_jump handle this for us.
570         * expr.c (expand_expr_real_1): Likewise.
571         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
572         before do_jump_by_parts_greater.
573         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
574         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
575
576 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
577
578         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
579
580 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
581
582         PR rtl-optimization/26235
583         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
584         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
585         format.
586
587 2006-02-13  Jeff Law  <law@redhat.com>
588
589         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
590         TRUTH_XOR_EPR.
591
592 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
593
594         PR middle-end/26092
595         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
596         twice if decl is a builtin.  When trying again, call get_callee_fndecl
597         first to verify it is still a builtin.
598
599 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
600
601         * dwarf2out.c (base_type_die): Don't add AT_name here.
602         (subrange_type_die): Don't add AT_name here.
603         (modified_type_die): Rearrange code flow.  Do add AT_name here.
604
605 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
606
607         PR rtl-optimization/26247
608         PR rtl-optimization/26248
609         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
610
611 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
612
613         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
614         * config/fixtfdi.c: Likewise.
615         * config/fixunstfdi.c: Likewise.
616         * config/floatditf.c: Likewise.
617
618 2006-02-13  Roger Sayle  <roger@eyesopen.com>
619
620         PR middle-end/24427
621         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
622         into (X,C2) if C1 is a subset of the bits of C2.  Transform
623         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
624         (X&(C1&~C2))|C2.
625         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
626
627 2006-02-13  Josh Conner  <jconner@apple.com>
628
629         PR target/25376
630         * varasm.c (function_section): Check for section name before
631         calling select_section on targets that define
632         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
633         unlikely_text_section instead of hot_function_section if
634         first_function_block_is_cold.
635
636 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
637
638         PR middle-end/25335
639         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
640
641 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
642
643         PR rtl-optimization/26222
644         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
645         after tree->rtl expansion.
646         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
647         before passing it to emit_move_insn.
648
649 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
650
651         * doc/invoke.texi (-Write-strings): Document that it is enabled by
652         default. 
653         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
654         Clarify documentation.
655         * c-common.h (warn_write_strings): Remove.
656         * c-common.c (warn_write_strings): Likewise.
657         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
658         default for C++.
659
660 2006-02-12  Roger Sayle  <roger@eyesopen.com>
661
662         PR middle-end/25724
663         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
664         (do_jump_parts_zero_rtx): New function renamed from
665         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
666         (do_jump_parts_equality_rtx): New function split out from
667         do_jump_parts_equality.  Old implementation renamed as above.
668         Call do_jump_parts_zero_rtx if either operand is zero.
669         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
670         do all of the heavy lifting.
671         (do_compare_rtx_and_jump): Handle multi-word comparisons by
672         calling either do_jump_by_parts_greater_rtx or
673         do_jump_by_parts_equality_rtx.
674         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
675         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
676         moved to do_compare_rtx_and_jump, call it directly.
677         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
678         mode argument.  Call do_compare_rtx_and_jump.
679         (emit_case_nodes): Update calls to do_jump_if_equal.
680
681 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
682
683         PR rtl-optimization/26225
684         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
685
686 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
687
688         PR rtl-optimization/26232
689         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
690
691 2006-02-11  Jason Merrill  <jason@redhat.com>
692
693         PR tree-opt/24365
694         * tree-inline.c (declare_return_variable): Just don't use the
695         modify target if it's a gimple complex reg and the return slot
696         isn't.
697
698 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
699
700         * doc/contrib.texi: Update my entry.
701
702 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
703
704         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
705
706 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
707
708         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
709         expensive.
710
711 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
712
713         * doc/invoke.texi (-floop-optimize2): Removed.
714         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
715         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
716         Test flag_branch_on_count_reg only if HAVE_doloop_end.
717         * common.opt (floop-optimize2): Removed.
718         (fmove-loop-invariants): Enabled by default.
719
720 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
721
722         * tree-if-conv.c (combine_blocks): Free the result of
723         get_loop_exit_edges.
724
725 2006-02-10  Jeff Law  <law@redhat.com>
726
727         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
728
729         PR tree-optimization/26213
730         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
731         loop trying to follow SSA_NAME_VALUE chains.
732
733 2006-02-10  Richard Guenther  <rguenther@suse.de>
734
735         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
736         deal with structures that end in implicitly variable sized arrays.
737
738 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
739
740         PR rtl-optimization/24762
741         * df-scan.c (df_bb_refs_record): Record correct registers defined on
742         eh edges.
743
744 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
745
746         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
747         (struct ivopts_data): Add regs_used field.
748         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
749         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
750         instead of loop_data->regs_used;
751         (free_loop_data): Do not free aux fields for loops.
752         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
753         and tree_ssa_iv_optimize_finalize.
754
755 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
756
757         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
758
759 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
760
761         PR target/26141
762         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
763         computing the effective result type.
764
765 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
766
767         PR inline-asm/16194
768         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
769         (tree_overlaps_hard_reg_set): Declare.
770         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
771         type and signature to match function type expected by walk_tree.
772         (tree_overlaps_hard_reg_set): New function.
773         (decl_conflicts_with_clobbers_p): Rename to:
774         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
775         Use tree_overlaps_hard_reg_set.  Changed caller.
776         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
777         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
778         * cris.c (cris_md_asm_clobbers): Likewise.
779
780 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
781
782         * reload1.c (emit_input_reload_insns): Delete code that tries to
783         inherit using find_equiv_reg.
784
785 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
786
787         * c-common.h (flag_const_strings): Don't declare.
788         * c-common.c (flag_const_strings): Remove.
789         * c.opt (fconst_strings): Remove.
790         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
791         <OPT_Wwrite_strings>: Don't set flag_const_strings.
792         (c_common_init_options): Don't set flag_const_strings.
793         * doc/invoke.texi (-fno-const-strings): Remove documentation.
794
795 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
796
797         * arm.md (tlobits_cbranch): New pattern.
798         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
799         testing a single bit.
800
801 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
802
803         PR tree-opt/26179
804         * tree-ssa-pre.c (create_component_ref_by_pieces):
805         Handle RETURN_DECL like VAR_DECL.
806
807 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
808
809         PR middle-end/26134
810         * fold-const.c (fold_indirect_ref_1): Fold 
811         "*(foo *)&complexfoo" to "__real__ complexfoo"
812         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
813
814 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
815
816         * tree-flow-inline.h (var_can_have_subvars): 
817         Volatile variables should not have subvariables.
818
819 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
820
821         PR 26180
822         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
823         multiplying unsigned values.
824         Tidy comments.
825
826 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
827
828         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
829
830 2006-02-08  Jason Merrill  <jason@redhat.com>
831
832         PR c++/25979
833         * tree.def: Elaborate on difference from MODIFY_EXPR.
834         * doc/c-tree.texi (INIT_EXPR): Likewise.
835         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
836         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
837         (gimplify_target_expr): Likewise.
838         (gimplify_cond_expr): Remove target handling.
839         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
840         (gimplify_expr): Clobber it here.
841         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
842         Do return slot optimization if we have an INIT_EXPR.
843
844         PR tree-opt/24365
845         * tree-inline.c (declare_return_variable): Also clear 
846         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
847
848         PR c++/16405
849         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
850
851         PR middle-end/22439
852         * gimplify.c (gimplify_one_sizepos): Fix typo.
853
854 2006-02-08  Jeff Law  <law@redhat.com>
855
856         PR tree-optimization/21417
857         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
858         across a backedge if the control statement at the end of the
859         block is data dependent on other statements in the same block.
860         (record_temporary_equivalences_from_stmts): Remove over-conservative
861         test for threading across backedges.
862
863         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
864         control statement, handle all three special cases in the same
865         manner as they all have the same desired solution.  No longer
866         special case edge flag updating when the post dominator is
867         the exit block.
868
869 2006-02-08  Roger Sayle  <roger@eyesopen.com>
870
871         * tree.def (CHAR_TYPE): Remove.
872         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
873         * dwarf2out.c (base_type_die, is_base_type): Likewise.
874         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
875         (gen_string_type_die): Delete unreachable function.
876
877         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
878         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
879         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
880         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
881         * builtins.c (type_to_class): Likewise.
882         * fold-const.c (fold_convert, build_range_check,
883         merge_ranges): Likewise.
884         * expr.c (count_type_elements): Likewise.
885         * c-pretty-print.c (pp_c_type_specifier): Likewise.
886         * stor-layout.c (layout_type): Likewise.
887         * ipa-type-escape.c (type_to_consider): Likewise.
888         * gimplify.c (omp_firstprivatize_type_sizes,
889         gimplify_type_sizes): Likewise.
890         * explow.c (promote_mode): Likewise.
891         * tree-sra.c (is_sra_scalar_type): Likewise.
892         * varasm.c (output_constant): Likewise.
893         * tree-inline.c (remap_type_1): Likewise.
894         * convert.c (convert_to_pointer, convert_to_real,
895         convert_to_integer, convert_to_complex): Likewise.
896
897 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
898
899         * df-scan.c (df_def_record_1): A set destination may
900         be a parallel regardless of mode.
901
902 2006-02-08  Roger Sayle  <roger@eyesopen.com>
903
904         PR target/22209
905         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
906         * config/mips/_tilib.c: Remove.
907         * config/fixtfdi.c: New libgcc source file.
908         * config/fixunstfdi.c: New source file.
909         * config/floatditf.c: New source file.
910         * config/floatunditf.c: New souce file.
911         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
912         files above instead of config/mips/_tilib.c.
913         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
914
915 2006-02-08  Jeff Law  <law@redhat.com>
916
917         PR tree-optimization/26169
918         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
919         threading jumps.
920
921 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
922
923         * df.h (DF_REG_SIZE): Return the length of the initialized
924         part of the array.
925
926 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
927
928         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
929         __muldf3): Return a correctly signed zero.
930
931 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
932
933         * passes.c (register_one_dump_file): Accept the current properties
934         instead of pass number.  Adjust call to dump_register.  Remove
935         duplicated code.
936         (register_dump_files): Now a wrapper around...
937         (register_dump_files_1): ... this one.  Do not modify the pass
938         structure.
939         (next_pass_1): Cosmetic fix.
940         (execute_todo): Keep second parameter only.  Use curr_properties
941         instead of fetching it from the pass structure.  Check and set
942         last_verified.
943         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
944         instead of fetching it from the pass structure.  Fix calls to
945         execute_todo.  Update curr_properties and initialize .vcg RTL dump
946         after running the pass.  Reset last_verified.
947         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
948         at the beginning.
949         (FIRST_AUTO_NUMBERED_DUMP): New.
950         (dump_register): Remove "num" parameter, assign it within the
951         function.
952         (get_dump_file_name): Modify template for dumps.
953         * tree-dump.h (dump_register): Adjust prototype.
954         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
955         (PROP_trees): Add PROP_gimple_lomp.
956         (TODO_set_props): New.
957         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
958         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
959         * cfgexpand.c (pass_expand): Destroy PROP_trees.
960
961 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
962
963         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
964         (sparc64-*-linux*): Likewise.
965         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
966         * config/sparc/t-linux: New file.
967         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
968         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
969         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
970         -m32 -mlong-double-128.
971
972         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
973         * config/alpha/t-linux: New file.
974         * config/alpha/libgcc-alpha-ldbl.ver: New file.
975
976         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
977         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
978         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
979         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
980         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
981         (CPP_ARCH32_SPEC): Remove.
982
983 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
984
985         PR tree-optimization/26145
986         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
987         bbs pointer.
988
989 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
990
991         PR target/26109
992         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
993         >= 240000 when generating code for SOM runtime.
994         (output_indirect_call): Don't use "b,l" instruction for indirect calls
995         to $$dyncall when generating code for SOM runtime..
996
997 2006-02-07  Dirk Mueller  <dmueller@suse.com>
998
999         PR c++/18150
1000         * doc/invoke.texi (-Wsequence-point): Update documentation
1001         that -Wsequence-point is implemented for C++ as well.
1002
1003 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1004
1005         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1006         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1007         (LIB_SPEC): Likewise.
1008         * doc/invoke.texi (SPARC options): Document -pthread.
1009
1010 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
1011
1012         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1013         PIC addresses.
1014
1015 2006-02-07  Roger Sayle  <roger@eyesopen.com>
1016
1017         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1018         Correct comment describing BOOLEAN_TYPE.
1019
1020 2006-02-07  Dirk Mueller  <dmueller@suse.com>
1021
1022         * c.opt: C++ frontend supports -Wdiv-by-zero.
1023         * c-opts.c (c_common_handle_option): Remove dead case.
1024
1025 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1026
1027         * configure.ac (TLS assembler check): Do not enable TLS by
1028         default on SPARC/Solaris before version 10.
1029         * configure: Regenerate.
1030
1031 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
1032
1033         * doc/invoke.texi (xl-compat): Document conversion and support
1034         routine names.
1035
1036 2006-02-07  Jeff Law  <law@redhat.com>
1037
1038         * tree-vrp.c (find_conditional_asserts): Update comments.
1039         (simplify_stmt_for_jump_threading): New.
1040         (identify_jump_threads, finalize_jump_threads): New.
1041         (vrp_finalize): Call identify_jump_threads.
1042         (execute_vrp): Call finalize_jump_threads.
1043         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1044         (vrp_element, vrp_data, vrp_element_p): Remove.
1045         (vrp_hash_elt, vrp_variables_stack): Remove.
1046         (vrp_hash, vrp_eq, record_range): Remove.
1047         (simplify_cond_and_lookup_avail_expr): Remove.
1048         (extract_range_from_cond): Remove.
1049         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1050         (simplify_stmt_for_jump_threading): New.
1051         (dom_thread_across_edge): New wrapper.
1052         (tree_ssa_dominator_optimize): No longer initialize or
1053         finalize any of the VRP datastructures.  Remove iteration
1054         step and simplify as a result of removal of iteration step.
1055         (pass_dominator): Perform a cfg cleanup after DOM.
1056         (dom_opt_finalize_block): Use the new common routines
1057         for threading jumps.  Simplify stack management slightly.
1058         No longer need to unwind VRP state.
1059         (record_equivalences_from_incoming_edge): No longer record
1060         VRP information.
1061         (eliminate_redundant_computations): No longer call
1062         simplify_cond_and_lookup_avail_expr.
1063         * tree-flow.h (potentially_threadable_block): Prototype.
1064         (thread_across_edge): Likewise.
1065         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
1066         (tree-ssa-threadedge.o): Add dependencies.
1067         * tree-ssa-threadedge.c: New file.
1068         * passes.c (init_optimization_passes): Merge PHIs before
1069         calling VRP.  Run VRP again late in the SSA optimization pipeline.
1070
1071 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1072
1073         * df-core.c (df_set_blocks): Do not dereference function pointers.
1074         (df_finish1): Likewise.
1075         (df_hybrid_search_forward): Likewise.
1076         (df_hybrid_search_backward): Likewise.
1077         (df_iterative_dataflow): Likewise.
1078         (df_analyze_problem): Likewise.
1079         (df_compact_blocks): Likewise.
1080         (df_dump): Likewise.
1081         * df-scan.c (df_rescan_blocks): Likewise.
1082         (df_record_entry_block_defs): Likewise.
1083
1084         * genconditions.c (write_conditions): Guard the definition of
1085         'insn_conditions' with the check on GCC version.
1086         (write_writer): Guard the traversal 'insn_conditions' with
1087         the check on GCC version.
1088
1089 2006-02-07  Richard Guenther  <rguenther@suse.de>
1090
1091         PR c++/26140
1092         Revert
1093         2006-01-30  Richard Guenther  <rguenther@suse.de>
1094         PR c++/23372
1095         * gimplify.c (gimplify_target_expr): Handle easy cases
1096         without creating a temporary.
1097
1098 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
1099
1100         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1101         use of float in probability computations.  Use edge probabilities
1102         in place of statically computed probabilities.
1103         (min_spec_prob): New static variable.
1104         (schedule_insns): Initialize it.
1105         (GET_SRC_PROB): Removed.
1106         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1107
1108 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
1109
1110         PR debug/24444
1111         * config/ia64/unwind-ia64.c: Revert last change.
1112         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1113         (INCOMING_FRAME_SP_OFFSET): Define.
1114
1115 2006-02-06  Roger Sayle  <roger@eyesopen.com>
1116
1117         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1118
1119 2006-02-07  Ben Elliston  <bje@au.ibm.com>
1120
1121         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1122         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1123         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1124         (ix86_return_in_memory): Handle TDmode.
1125         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1126         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1127
1128 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
1129
1130         * reorg.c (dbr_schedule): Use dump_file instead of file.
1131
1132 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
1133
1134         PR target/25917
1135         * config/ia64/predicates.md (extr_len_operand): New predicate.
1136         * config/ia64/ia64.md (extv): Tighten constraints.
1137         (extzv): Ditto.
1138         (*tbit_and_2): Ditto.
1139         (*tbit_and_3): Ditto.
1140         (*tbit_or_2): Ditto.
1141         (*tbit_or_3): Ditto.
1142         (*bit_zero): Ditto.
1143         (*bit_one): Ditto.
1144
1145 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
1146
1147         PR target/23359
1148         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1149
1150 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1151
1152         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1153         loop_optimizer_init and loop_optimizer_finalize
1154         * tree-ssa-sink.c (execute_sink_code): Ditto.
1155         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1156         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1157         tree_ssa_loop_done): Ditto.
1158         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1159         * sched-ebb.c: Include output.h.
1160         (schedule_ebbs): Do not use dump argument.
1161         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1162         * loop.c (loop_dump_stream): Removed.
1163         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1164         argument.
1165         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1166         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1167         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1168         loop_iterations, strength_reduce, record_biv, record_giv,
1169         final_giv_value, check_final_value, check_ext_dependent_givs,
1170         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1171         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1172         dump_file instead of loop_dump_stream.
1173         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1174         argument dump_file.
1175         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1176         dump argument.
1177         * flow.c (life_analysis, rest_of_handle_life): Ditto.
1178         * haifa-sched.c: Include output.h
1179         (schedule_insns, sched_init): Do not use dump argument.
1180         * mode-switching.c (optimize_mode_switching): Ditto.
1181         * modulo-sched.c (stats_file): Removed.
1182         (print_node_sched_params): Do not call argument dump_file.
1183         (sms_schedule_by_order, loop_canon_p, sms_schedule,
1184         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
1185         of stats_file.
1186         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1187         use dump argument.
1188         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1189         rtl_loop_init, rtl_loop_done): Ditto.
1190         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1191         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1192         Ditto.
1193         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1194         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1195         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1196         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1197         * emit-rtl.c (renumber_insns): Ditto.
1198         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1199         expand_gimple_basic_block, tree_expand_cfg): Ditto.
1200         * regclass.c (regclass): Ditto.
1201         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1202         remove_ssa_form, rewrite_out_of_ssa): Ditto.
1203         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1204         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1205         Ditto.
1206         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1207         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1208         to regclass.
1209         * gcse.c (gcse_file, debug_stderr): Removed.
1210         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1211         rest_of_handle_gcse): Do not use dump argument.
1212         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1213         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1214         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1215         compute_code_hoist_vbeinout, compute_code_hoist_data,
1216         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1217         compute_store_table, build_store_vectors, insert_insn_start_bb,
1218         insert_store, remove_reachable_equiv_notes, replace_store_insn,
1219         store_motion): Use dump_file instead of gcse_file.
1220         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1221         * profile.c (profile_dump_file): Removed.
1222         (branch_prob): Use dump_file instead of profile_dump_file.
1223         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1224         dump_file.
1225         * tree-ssa-copy.c (dump_copy_of): Ditto.
1226         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1227         dump file to life_analysis.
1228         * bt-load.c (branch_target_load_optimize): Ditto.
1229         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1230         renumber_insns.
1231         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1232         regclass, dbr_schedule): Declaration changed.
1233         * sched-int.h (sched_init): Declaration changed.
1234         * tree-profile.c (tree_profile_dump_file): Removed.
1235         (tree_profile_hooks): Removed profile_dump_file hook.
1236         * rtl-profile (rtl_profile_dump_file): Removed.
1237         (rtl_profile_hooks): emoved profile_dump_file hook.
1238         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1239         changed.
1240         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1241         * tree-cfg.c (build_tree_cfg): Ditto.
1242         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1243         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1244         Declaration changed.
1245         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1246         life_analysis and schedule_insns.
1247         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1248         life_analysis.
1249         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1250         dbr_schedule.
1251         * config/mips/mips.c (mips_reorg): Ditto.
1252         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1253         schedule_ebbs.
1254
1255 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
1256
1257         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1258         (s390_mangle_fundamental_type): New.
1259         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1260         Define.
1261
1262         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1263         (alpha_mangle_fundamental_type): New.
1264         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1265         Define.
1266
1267         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1268         Define.
1269         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1270         Define.
1271         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1272         (sparc_mangle_fundamental_type): New.
1273
1274 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
1275
1276         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1277         (s390x-*-linux*): Likewise.
1278         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1279         * config/s390/t-linux: New file.
1280
1281 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1282
1283         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1284         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1285
1286 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
1287
1288         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1289         (ANTIC_SAFE_LOADS): New macro.
1290         (find_or_generate_expression): Add prototype.
1291         (set_contains_value): Allow null set for sake of not always having
1292         to allocate ANTIC_SAFE_LOADS.
1293         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1294         Allow COMPONENT_REF too.
1295         (valid_in_set): Allow COMPONENT_REF.
1296         Check ANTIC_SAFE_LOADS too.
1297         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1298         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1299         rename.
1300         (can_PRE_operation): Add COMPONENT_REF.
1301         (create_component_ref_by_pieces): New function.
1302         (create_expression_by_pieces): Use create_component_ref_by_pieces.
1303         (insert_aux): Move AGGREGATE_TYPE_P check here.
1304         (compute_avail): Set bb local stmt uids.
1305         (pass_pre): Use TODO_update_ssa_only_virtuals.
1306         
1307 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1308
1309         * configure.ac: Unconditionally disable decimal float by default.
1310         * configure: Regenerate.
1311
1312 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1313
1314         * read-rtl.c (read_name): Terminate reading on EOF.
1315
1316 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1317
1318         * dfp.c (decimal_real_arithmetic): Change second argument type
1319         from int to enum tree_code. Do not always return true, but now
1320         return result of any call to decimal_do helper functions.
1321         * dfp.h (decimal_real_arithmetic): Update prototype.
1322
1323 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1324
1325         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1326
1327 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
1328
1329         PR tree-opt/25251
1330         * tree-cfg.c (cleanup_dead_labels): Also don't remove
1331         forced labels.
1332
1333 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1334
1335         * tree-vrp.c (cfg_loops): Removed.
1336         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1337         Use current_loops instead of cfg_loops.  Pass flags to
1338         loop_optimizer_init.
1339         * cfgloopmanip.c (fix_loop_structure): Update only available
1340         information.
1341         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1342         loop_optimizer_init.
1343         * modulo-sched.c (build_loops_structure): Removed.
1344         (sms_schedule): Use loop_optimizer_init.
1345         * loop-init.c (loop_optimizer_init): Use flags to determine
1346         which properties of loops to prepare.
1347         (rtl_loop_init): Pass flags to loop_optimizer_init.
1348         * tree-ssa-sink.c (execute_sink_code): Ditto.
1349         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1350         * tree-ssa-pre.c (init_pre): Ditto.
1351         * cfgloop.h (LOOPS_NORMAL): New.
1352         (loop_optimizer_init): Declaration changed.
1353
1354 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1355
1356         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1357         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1358         pa/t-pa.
1359         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1360         pa/t-pa.
1361         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1362         pa/x-ada.
1363         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1364         * pa/t-pa64: Delete quadlib.c rule.
1365         * pa/x-ada: Revert last change.
1366         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
1367
1368 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1369
1370         PR rtl-optimization/26087
1371         * rtlanal.c (canonicalize_condition): Do not cross basic block
1372         boundaries.
1373
1374 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
1375
1376         PR debug/24444
1377         * config/ia64/ia64.c: Include debug.h.
1378         (MAX_ARTIFICIAL_LABEL_BYTES): New.
1379         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1380         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1381         (process_epilogue, process_set, process_for_unwind_directive):
1382         Output unwind info only if requested.  Add CFA info if requested.
1383         Add new arguments as needed.  Adjust callers.
1384         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1385         incorrect default.
1386         (DWARF2_FRAME_INFO): Define to zero.
1387         * config/ia64/unwind-ia64.c: Remove code that compensated for
1388         the CFA offset error fixed above.
1389         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1390         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1391         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1392         -funwind-tables and -fexceptions to enable frame info.
1393         (dwarf2out_frame_init): Define initial CFA even if
1394         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
1395         DWARF2_UNWIND_INFO is nonzero, not just defined.
1396         (dwarf2out_frame_finish): Output non-EH call frame info only
1397         if DWARF2_FRAME_INFO is nonzero.
1398         (convert_cfa_to_loc_list,
1399         compute_frame_pointer_to_cfa_displacement): Define even if
1400         unwind info is not supported.
1401         (gen_subprogram_die): Use the above unconditionally.  Remove
1402         legacy alternate code.
1403         * toplev.c (compile_file): Compile in call to
1404         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1405         (lang_dependent_init): Ditto for dwarf2out_frame_init.
1406
1407 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
1408             Jakub Jelinek  <jakub@redhat.com>
1409
1410         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1411         IBM extended float format long double as "g" on powerpc*-linux.
1412
1413 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1414
1415         PR target/25926
1416         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1417         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1418
1419 2006-02-03  Jason Merrill  <jason@redhat.com>
1420
1421         PR c++/25979
1422         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1423
1424         PR middle-end/25977
1425         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1426         on the return slot if it's an NRV.
1427
1428 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
1429
1430         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1431         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1432         rewrite_use): Do not handle USE_OUTER.
1433         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1434         add_iv_outer_candidates, may_replace_final_value,
1435         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1436         (find_interesting_uses_op): Functionality of
1437         find_interesting_uses_outer_or_nonlin moved here.
1438         (find_interesting_uses_outside): Use find_interesting_uses_op.
1439
1440 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
1441
1442         PR target/25960
1443         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1444
1445 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1446             Ulrich Weigand  <uweigand@de.ibm.com>
1447
1448         PR target/25864
1449         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1450         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1451         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1452         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
1453         and dxr fields.
1454         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1455         (s390_rtx_costs): Use the new fields to calculate rtx costs.
1456         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1457         Define secondary reloads for TFmode moves.
1458         (constant_modes): Add TFmode.
1459         (NR_C_MODES): Set to 8.
1460         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1461         builtin define.
1462         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1463         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1464         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
1465         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1466         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
1467         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1468         (FPR mode macro): Add TFmode.
1469         (DSF mode macro): New.
1470         (<de>, <dee> mode attributes): Removed.
1471         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1472         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
1473         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
1474         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
1475         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
1476         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
1477         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1478         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
1479         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
1480         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1481         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
1482         "*negabs<mode>2", "sqrt<mode>2"):
1483         Changed <de> to <xde>. R constraint replaced by <Rf>.
1484         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
1485         <Rf>.
1486         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1487         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1488         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
1489         splitters.
1490         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
1491         "extenddftf2", "extendsftf2"): New expanders.
1492         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
1493         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1494         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1495         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1496         New options.
1497         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1498         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
1499         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1500         __floatditf): Add a GCC_4.1.0 symbol version tag.
1501         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1502         the new options.
1503
1504 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
1505
1506         PR target/25377
1507         * config/i386/i386.c (ix86_function_ok_for_sibcall):
1508         Use targetm.binds_local_p instead of TREE_PUBLIC.
1509
1510 2006-02-02  Roger Sayle  <roger@eyesopen.com>
1511
1512         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1513         on INTEGER_TYPEs to indicate that it denotes a character type.
1514         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1515         signed_char_type_node, unsigned_char_type_node and char_type_node.
1516         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1517         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
1518         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1519
1520 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
1521             Daniel Berlin  <dberlin@dberlin.org>
1522
1523         * tree-tailcall.c (arg_needs_copy_p): New function.
1524         (eliminate_tail_call): Use arg_needs_copy_p.
1525         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1526         (add_virtual_phis): New function.
1527
1528 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
1529
1530         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1531         #ignore instead of #scratch for %g7 .register directive.
1532
1533 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
1534
1535         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1536         object files.
1537
1538 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1539
1540         * flow.c (calculate_global_regs_live): Assert that there aren't any
1541         EDGE_FAKE edges.
1542
1543 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
1544
1545         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1546         what its name says.
1547         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1548         bsi_after_labels iterator.
1549         * tree-if-conv.c (find_phi_replacement_condition,
1550         replace_phi_with_cond_modify_expr): Likewise.
1551         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1552         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1553
1554 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1555
1556         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1557
1558 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1559
1560         PR 25990
1561         * tree-cfg.c (move_block_to_fn): Clear out the basic block
1562         array after growing it.
1563
1564 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1565
1566         PR middle-end/24901
1567         * fold-const.c (fold_checksum_tree): Change type of buf.
1568
1569 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
1570
1571         * reload.c (push_secondary_reload): Initialize t_icode.
1572
1573 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
1574
1575         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1576         -msoft-float -mlong-double-128 only issue a warning, but don't
1577         swich to DFmode long double.
1578
1579 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
1580
1581         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1582         has a constant equivalent, iterate over equivalents for arg0,
1583         calling simplify_relational_operation and if there's a result
1584         cheaper than X, apply fold_rtx and return the result.
1585
1586 2006-02-01  Jan Hubicka  <jh@suse.cz>
1587
1588         * opts.c (no_unit_at_a_time_default): New global variable.
1589         (decode_options): Use it.
1590         * opts.h (no_unit_at_a_time_default): Declare.
1591
1592 2006-02-01  Paul Brook  <paul@codesourcery.com>
1593
1594         * function.c (assign_parm_setup_reg): Use function argument promotion
1595         rules.
1596         * expr.c (expand_expr_real_1): Use function argument promotion rules
1597         for PARM_DECLs.
1598
1599 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1600
1601         * gcc.c (process_command): Change j to 'unsigned int'.
1602
1603 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1604
1605         PR middle-end/26001
1606         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1607         Use the corrected index for the character
1608         out of the string constant.
1609
1610 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1611
1612         * mode-switching.c (optimize_mode_switching): Fix size
1613         allocated for bb_info[n_entities].
1614
1615 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1616
1617         * gcc.c (main): Correct type that is allocated for
1618         explicit_link_files.
1619
1620 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
1621
1622         * config/s390/s390.c (init_alignment_context): Set
1623         ALIAS_SET_MEMORY_BARRIER on the MEM.
1624         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1625
1626 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
1627
1628         PR middle-end/25933
1629         * loop-unroll.c (unroll_loop_runtime_iterations): Free
1630         dom_bbs pointer.
1631         * tree-ssa-live.c (type_var_init): Allocate bitmap after
1632         call to tpa_init.
1633
1634 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
1635
1636         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1637         * regrename.c: Ditto.
1638         * tree-ssa-loop-im.c: Ditto.
1639         * tree-dump.c: Ditto.
1640         * tree-complex.c: Ditto.
1641         * genrecog.c: Ditto.
1642         * tree-ssa-threadupdate.c: Ditto.
1643         * tracer.c: Ditto.
1644         * java/class.c: Ditto.
1645         * java/jcf-parse.c: Ditto.
1646         * java/resource.c: Ditto.
1647         * java/except.c: Ditto.
1648         * java/jvspec.c: Ditto.
1649         * java/jcf-write.c: Ditto.
1650         * java/jcf-path.c: Ditto.
1651         * java/gjavah.c: Ditto.
1652         * java/zextract.c: Ditto.
1653         * java/jcf-io.c: Ditto.
1654         * java/jcf.h: Ditto.
1655         * java/buffer.c: Ditto.
1656         * java/lang.c: Ditto.
1657         * java/parse-scan.y: Ditto.
1658         * java/lex.c: Ditto.
1659         * java/lex.h: Ditto.
1660         * cfgloopmanip.c: Ditto.
1661         * postreload-gcse.c: Ditto.
1662         * tree-ssa-loop-manip.c: Ditto.
1663         * postreload.c: Ditto.
1664         * tree-ssa-loop-ch.c: Ditto.
1665         * loop.c: Ditto.
1666         * ipa-cp.c: Ditto.
1667         * cppspec.c: Ditto.
1668         * diagnostic.c: Ditto.
1669         * final.c: Ditto.
1670         * genoutput.c: Ditto.
1671         * gcc.c: Ditto.
1672         * cfghooks.c: Ditto.
1673         * cfgloopanal.c: Ditto.
1674         * objc/objc-act.c: Ditto.
1675         * gcov.c: Ditto.
1676         * genextract.c: Ditto.
1677         * genautomata.c: Ditto.
1678         * pretty-print.c: Ditto.
1679         * genemit.c: Ditto.
1680         * cgraphunit.c: Ditto.
1681         * flow.c: Ditto.
1682         * df-scan.c: Ditto.
1683         * haifa-sched.c: Ditto.
1684         * dominance.c: Ditto.
1685         * dbxout.c: Ditto.
1686         * tree-ssa-loop-ivopts.c: Ditto.
1687         * df-core.c: Ditto.
1688         * mode-switching.c: Ditto.
1689         * modulo-sched.c: Ditto.
1690         * graph.c: Ditto.
1691         * ipa-pure-const.c: Ditto.
1692         * cse.c: Ditto.
1693         * fix-header.c: Ditto.
1694         * web.c: Ditto.
1695         * tree-stdarg.c: Ditto.
1696         * ipa-utils.c: Ditto.
1697         * loop-init.c: Ditto.
1698         * ipa-inline.c: Ditto.
1699         * cfganal.c: Ditto.
1700         * global.c: Ditto.
1701         * alloc-pool.c: Ditto.
1702         * dwarf2out.c: Ditto.
1703         * opts.c: Ditto.
1704         * genattrtab.c: Ditto.
1705         * tree-ssa-loop-ivcanon.c: Ditto.
1706         * predict.c: Ditto.
1707         * timevar.c: Ditto.
1708         * lcm.c: Ditto.
1709         * fortran/gfortranspec.c: Ditto.
1710         * regmove.c: Ditto.
1711         * local-alloc.c: Ditto.
1712         * langhooks.c: Ditto.
1713         * function.c: Ditto.
1714         * tree-vectorizer.c: Ditto.
1715         * gcse.c: Ditto.
1716         * ipa-type-escape.c: Ditto.
1717         * alias.c: Ditto.
1718         * tree-if-conv.c: Ditto.
1719         * profile.c: Ditto.
1720         * ipa.c: Ditto.
1721         * tree-data-ref.c: Ditto.
1722         * loop-unroll.c: Ditto.
1723         * treelang/treetree.c: Ditto.
1724         * calls.c: Ditto.
1725         * bt-load.c: Ditto.
1726         * ggc-common.c: Ditto.
1727         * except.c: Ditto.
1728         * coverage.c: Ditto.
1729         * cselib.c: Ditto.
1730         * tree-cfgcleanup.c: Ditto.
1731         * tree-ssa-pre.c: Ditto.
1732         * cfgcleanup.c: Ditto.
1733         * loop-invariant.c: Ditto.
1734         * loop-iv.c: Ditto.
1735         * ipa-prop.c: Ditto.
1736         * print-tree.c: Ditto.
1737         * conflict.c: Ditto.
1738         * ggc-page.c: Ditto.
1739         * sched-deps.c: Ditto.
1740         * regclass.c: Ditto.
1741         * tree-object-size.c: Ditto.
1742         * combine.c: Ditto.
1743         * bb-reorder.c: Ditto.
1744         * resource.c: Ditto.
1745         * var-tracking.c: Ditto.
1746         * cfgloop.c: Ditto.
1747         * df-problems.c: Ditto.
1748         * reg-stack.c: Ditto.
1749         * tlink.c: Ditto.
1750         * gccspec.c: Ditto.
1751         * sched-rgn.c: Ditto.
1752         * tree-ssa-structalias.c: Ditto.
1753         * tree-ssa-reassoc.c: Ditto.
1754         * config/darwin-c.c: Ditto.
1755         * config/darwin.c: Ditto.
1756         * config/arm/arm.c: Ditto.
1757         * cfgrtl.c: Ditto.
1758         * collect2.c: Ditto.
1759         * reload1.c: Ditto.
1760
1761 2006-01-31  Nicolas Pitre  <nico@cam.org>
1762
1763         * arm.md (smaxsi3): Make aware of smax_m1.
1764         (smax_m1): New.
1765
1766 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1767
1768         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1769
1770 2006-01-31  Richard Guenther  <rguenther@suse.de>
1771
1772         * doc/invoke.texi (-msselibm): Document.
1773         * target.h (expand_library_builtin): New target hook.
1774         * builtins.c (expand_builtin): Use expand_library_builtin.
1775         (default_expand_library_builtin): New function.
1776         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1777         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1778         (link_gcc_math_spec): Declare.
1779         (static_specs): Add link_gcc_math_spec.
1780         * expr.h (default_expand_library_builtin): Declare.
1781         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1782         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1783         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1784         * config/i386/i386.opt (msselibm): New target option.
1785         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1786         (ix86_init_sse_abi_builtins): New function.
1787         (ix86_expand_library_builtin): Likewise.
1788         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1789         (override_options): Handle error conditions wrt -msselibm.
1790         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1791         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1792         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1793         builtins.
1794
1795 2006-01-31  Richard Guenther  <rguenther@suse.de>
1796         Paolo Bonzini  <bonzini@gnu.org>
1797
1798         * doc/install.texi (--disable-libgcc-math): Document.
1799
1800 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1801
1802         * expr.h (expand_normal): new inline function.
1803         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1804         * dojump.c: use it.
1805         * dwarf2out.c: use it.
1806         * expr.c: use it.
1807         * calls.c: use it.
1808         * expmed.c: use it.
1809         * except.c: use it.
1810         * config/sparc/sparc.c: use it.
1811         * config/i386/i386.c: use it.
1812         * config/rs6000/rs6000.c: use it.
1813         * config/arm/arm.c: use it.
1814         * config/mips/mips.c: use it.
1815         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1816
1817 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1818
1819         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1820         argv to the appropriate type.
1821
1822 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1823
1824         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1825         unreachable code.
1826
1827 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1828
1829         PR target/26018
1830         * config/s390/s390.c (struct machine_function): New flag
1831         decomposed_literal_pool_addresses_ok_p.
1832         (s390_reorg): Set it before final stage of literal pool transforms.
1833         (s390_decompose_address): Only accept displacements of the form
1834         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1835
1836 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1837
1838         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1839         the comparison routine return.
1840
1841 2006-01-30  Michael Matz  <matz@suse.de>
1842
1843         * global.c (find_reg): Only evict for global regs.
1844         Take n_refs into account and dump more info.
1845
1846 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1847
1848         PR target/14798:
1849         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1850         (pragma_trap, pragma_nosave_low_regs): Likewise.
1851         (current_function_anonymous_args): Likewise.
1852         (sh_deferred_function_attributes): New variable.
1853         (sh_deferred_function_attributes_tail): Likewise.
1854         (print_operand): For '@', look up trap_exit attribute.
1855         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1856         handlers, save/restore fpscr, but don't do any other
1857         interrupt-specific saves.
1858         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1859         Fix check for partially saved registers to check for SHmedia.
1860         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1861         (sh_output_function_epilogue): Don't clear any of the removed
1862         variables.
1863         (sh_insert_attributes): Don't check pragma_interrupt.
1864         Insert deferred attributes.  Check that interrupt attribute is
1865         present for other attributes that require its presence.
1866         (sh_attribute_table): Add new attributes trapa_handler and
1867         nosave_low_regs.
1868         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1869         Don't check for pragma_interrupt.  Don't store argument.
1870         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1871         (sh_deferred_function_attributes): Declare.
1872         (sh_deferred_function_attributes_tail): Likewise.
1873         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1874         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1875         (*return_i): Don't use when trap_exit attribute is in effect.
1876         (*return_trapa): New insn pattern.
1877         * sh-c.c: New file.
1878         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1879         setting c_target_objs and cxx_target_objs.
1880         * t-sh: Add rule for sh-c.o.
1881
1882 2006-01-30  Richard Guenther  <rguenther@suse.de>
1883
1884         PR c++/23372
1885         * gimplify.c (gimplify_target_expr): Handle easy cases
1886         without creating a temporary.
1887
1888 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1889
1890         * vec.h (safe_grow): Remove duplicated line.
1891
1892 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1893
1894         PR 25874
1895         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1896         (expand_omp): ... here.
1897         (expand_omp_parallel): Only remove barriers for combined
1898         parallel+workshare constructs.
1899
1900 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1901
1902         Revert
1903
1904         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1905         * tree.c (build_qualified_type): Chain the new type to the original
1906         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1907         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1908         (build_pointer_type_for_mode): Only return unqualified types.
1909         (build_reference_type_for_mode): Likewise.
1910
1911 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1912
1913         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1914         * Makefile.in (CXX_COMPAT_WARN): Define.
1915         * configure: Regenerate.
1916
1917 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1918
1919         PR tree-opt/25911
1920         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1921         to an if check.
1922
1923 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1924
1925         * toplev.c: Fix thinko.
1926
1927 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1928             Marcin Dalecki  <martin@dalecki.de>
1929
1930         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1931         (push_srcloc): Use XNEW.
1932         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1933
1934 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1935
1936         * df-core.c (df_set_blocks): Deleted all variable.
1937
1938 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1939
1940         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1941         cgraph_output_pending_asms.
1942
1943 2006-01-28  Zack Weinberg  <zackw@panix.com>
1944
1945         * c.opt: Add -W(no-)overlength-strings.
1946         * doc/invoke.texi: Document it.
1947         * c-opts.c (c_common_handle_option): -pedantic implies
1948         -Woverlength-strings, if not explicitly disabled already.
1949         (c_common_post_options): -Woverlength-strings defaults to off, and
1950         is always off for C++.
1951         * c-common.c (fix_string_type): Issue warning about strings longer
1952         than is portable only if warn_overlength_strings.  Rearrange code
1953         a little for clarity.
1954         * configure.in: Check for -Wno-overlength-strings as well before
1955         enabling -pedantic in stage 1.
1956         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1957         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1958
1959         * genconditions.c (write_header, write_one_condition)
1960         (write_conditions, write_writer): Consolidate very long strings
1961         that were broken up to fit in C89 portable limit.  Don't use
1962         printf when fputs will do.
1963
1964 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1965
1966         * combine.c (simplify_comparison <AND>): Check
1967         TRULY_NOOP_TRUNCATION before start using a subreg.
1968
1969         * config/mips/mips.md (*branch_zero<mode>,
1970         *branch_zero<mode>_inverted, *branch_equality<mode>,
1971         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1972         Remove mode check from comparisons.
1973
1974 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1975
1976         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1977
1978 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1979
1980         * expmed.c (const_mult_add_overflow_p): Remove.
1981         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1982
1983         * recog.c (validate_replace_rtx_subexp): Remove.
1984         * recog.h: Remove the prototype for
1985         validate_replace_rtx_subexp.
1986
1987         * integrate.h: Remove the prototype for
1988         copy_decl_for_inlining.
1989         * rtl.h: Remove the prototype for mark_constant_function.
1990         * tree-vectorizer.h: Remove the prototype for
1991         vect_strip_conversion.
1992
1993         * modulo-sched.c (create_partial_schedule,
1994         free_partial_schedule, reset_partial_schedule): Make them
1995         static.
1996
1997         * hooks.c (hook_bool_rtx_int_false): Remove.
1998         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1999
2000 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
2001
2002         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2003         and -mlong-double-128 are incompatible.
2004         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2005         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2006         (TARGET_LIBGCC2_CFLAGS): Define.
2007         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2008         (TARGET_LIBGCC2_CFLAGS): Same.
2009         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2010
2011 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
2012
2013         PR c/19606.
2014         * c-typeck.c (build_binary_op): Perform implicit casts of
2015         operands before shortening them.
2016
2017         * cfgloopmanip.c (split_loop_bb): Remove.
2018         * cfgloop.h: Remove the prototype for split_loop_bb.
2019
2020         * cfgloop.c (flow_loop_outside_edge_p): Remove.
2021         * cfgloop.h: Remove the prototype for
2022         flow_loop_outside_edge_p.
2023
2024         * emit-rtl.c (init_virtual_regs): Make it static.
2025         * function.h: Remove the prototype for init_virtual_regs.
2026
2027         * recog.c (peephole2_optimize): Make it static.
2028         * recog.h: Remove the prototype for peephole2_optimize.
2029
2030 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2031
2032         * df-scan.c (df_record_entry_block_defs): Check if
2033         INCOMING_RETURN_ADDR_RTX is defined.
2034
2035 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
2036             Kenneth Zadeck <zadeck@naturalbridge.com>
2037
2038         PR rtl-optimization/24762
2039         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2040         * targhooks.c (hook_void_bitmap): New hook prototype.
2041         * targhoohs.h (hook_void_bitmap): Ditto.
2042         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2043         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2044         * target.h (live_on_entry): New function pointer.
2045         * df-scan.c (df_all_hard_regs): Removed.
2046         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2047         (df_scan_free_internal): Added df->entry_block_defs.
2048         (df_scan_alloc): Ditto.
2049         (df_scan_dump): Ditto.
2050         (df_uses_record): Plumbed flag field properly thru calls.
2051         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2052         This part fixes PR24762.
2053         (df_bb_refs_record): Added code to make the frame and arg
2054         pointers live in EH blocks.
2055         (df_refs_record): Added call to df_record_entry_block_defs.
2056         (df_record_entry_block_defs): New function.
2057         * df-core.c: Added comments to describe new artifical defs.
2058         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2059         (entry_block_defs): New field in struct df.
2060         (df_all_hard_regs): Deleted.
2061         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2062         * df-problems.c (df_ru_bb_local_compute_process_def):
2063         Added code to handle artifical defs in the entry to a function.
2064         (df_ru_bb_local_compute): Ditto.
2065         (df_rd_bb_local_compute_process_def):  Ditto.
2066         (df_rd_bb_local_compute): Ditto.
2067         (df_lr_bb_local_compute): Ditto.
2068         (df_ur_bb_local_compute): Ditto.
2069         (df_urec_bb_local_compute):  Ditto.
2070         (df_chain_create_bb):  Ditto.
2071         (df_ur_local_finalize): Removed entry.
2072         (df_urec_init): Ditto.
2073         (df_urec_local_finalize): Ditto.
2074         (df_ri_bb_compute): Added detection of last use of pseudos.
2075         * Makefile.in (df-scan.o): Updated dependencies.
2076         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2077         * config/mips/mips.c (mips_set_live_on_entry): Added.
2078         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2079         for target hook.
2080         * dce.c (marked_insn_p): Added code to handle artifical defs.
2081
2082 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2083
2084         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2085         intrinsic.
2086         (_mm_cvtsi128_si64): Likewise.
2087         (_mm_cvtsd_si64): Likewise.
2088         (_mm_cvttsd_si64): Likewise.
2089         (_mm_cvtsi64_sd): Likewise.
2090         (_mm_cvtsi64_si128): Likewise.
2091         * config/i386/mmintrin.h (_m_from_int64): Likewise.
2092         (_mm_cvtsi64_m64): Likewise.
2093         (_m_to_int64): Likewise.
2094         (_mm_cvtm64_si64): Likewise.
2095         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2096         (_mm_cvttss_si64): Likewise.
2097         (_mm_cvtsi64_ss): Likewise.
2098         (_mm_cvtss_f32): Likewise.
2099
2100 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
2101
2102         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2103         for pragma redefine_extname.
2104
2105 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR target/25864
2108         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2109         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2110         -mno-minimal-toc to previous content.
2111         (bispecs): Remove goal.
2112         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2113         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2114         compatibility aliases on powerpc-*-*gnu*.
2115         * config/rs6000/libgcc-ppc-glibc.ver: New file.
2116         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2117         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2118         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2119         (ldblspecs): New goal.
2120         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2121         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2122         _df_to_tf.
2123         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2124         L_sf_to_tf or L_df_to_tf is defined.
2125
2126 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
2127             Alan Modra  <amodra@bigpond.net.au>
2128
2129         PR target/25864
2130         * config/rs6000/linux.h (POWERPC_LINUX): Define.
2131         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2132         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2133         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2134         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2135         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2136         (rs6000_override_options): Initialize rs6000_ieeequad.
2137         Initialize TFmode format to ibm_extended_format if not
2138         TARGET_IEEEQUAD.
2139         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2140         ieeelongdouble.
2141         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2142         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2143         (function_arg_advance): IBM long double passed in two FPRs, not
2144         split.
2145         (function_arg): IBM long double passed in FPRs.
2146         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2147         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2148         Only multireg GPR aligned.
2149         (rs6000_init_libfuncs): Enable IBM long double functions if not
2150         IEEEQUAD.
2151         (rs6000_generate_compare): Use IBM long double compare if not
2152         TARGET_IEEEQUAD.
2153         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2154         (TARGET_IEEEQUAD): Define.
2155         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2156         not TARGET_IEEEQUAD.
2157         * config/rs6000/rs6000.md: Enable TFmode patterns if
2158         !TARGET_IEEEQUAD.
2159         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2160         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2161         and -mlong-double-128 are incompatible.
2162         * doc/invoke.texi (-mabi): Collect options together.  Add
2163         ibmlongdouble and ieeelongdouble.
2164
2165 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
2166
2167         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2168         opaque type.
2169         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2170         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2171         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2172         * rtl.h (rtunion_def): Remove rt_ptr.
2173         (X0PTR): Delete.
2174         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2175         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2176         * config/i386/winnt.c (i386_pe_mark_dllexport)
2177         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2178
2179 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2180
2181         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2182
2183 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
2184
2185         PR other/24829
2186         PR target/24831
2187         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2188         pthread_key_delete.  From John David Anglin.  gthrw-ify
2189         pthread_getunique_np only if it it's not a macro.  Delete
2190         UNUSED macro.
2191         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2192         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2193         __gthread_objc_condition_signal, __gthread_key_delete): Add
2194         "__attribute__ ((__unused__))" to unused arguments.
2195         (__gthread_recursive_mutex_init_function): Add missing return.
2196         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2197         gthr-posix95.h: Use macro-based approach for name redirection
2198         on targets missing weakref.
2199
2200 2006-01-26  Zack Weinberg  <zackw@panix.com>
2201
2202         * genconditions.c (write_header): In generated code, #ifdef out
2203         all includes and fake declarations, except includes of bconfig.h
2204         and system.h, unless GCC_VERSION >= 3001.  Do not include
2205         gensupport.h in any case.
2206         (write_conditions): Generate a definition of struct c_test.  Add
2207         a comment to the generated #endif.
2208         (write_one_condition): Escape backslashes in string too.
2209         (write_writer): Generated code must escape backslashes and quote
2210         marks (but not newlines) in the strings it writes.
2211         * Makefile.in (build/gencondmd.o): Update dependencies.
2212
2213 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
2214
2215         PR target/25961
2216         * Makefile.in (insn-automata.o): Add header file dependencies.
2217         * genautomata.c: Add includes.
2218
2219 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
2220
2221         PR target/25961
2222         * Makefile.in (insn-automata.o): Add -Wno-error flag.
2223
2224 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
2225
2226         * configure.ac: Expect target tools paths to be passed from the toplevel
2227         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
2228         AS_SET_VAR_IF.
2229         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2230
2231 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
2232
2233         PR c/25892
2234         * c.opt (Wpointer-sign): Init to -1.
2235         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2236         OPT_pedantic, to 0 otherwise.
2237         * doc/invoke.texi: Update.
2238
2239 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
2240
2241         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2242         constants provided by 80387 instructions in the destination mode.
2243
2244 2006-01-26  Richard Guenther  <rguenther@suse.de>
2245             Andrew Pinski  <pinskia@physics.uc.edu>
2246
2247         PR tree-opt/21470
2248         partial PR tree-opt/17064
2249         * tree-ssa-structalias.c (intra_create_variable_infos):
2250         Create heap variables for incoming parameters if
2251         flag_argument_noalias > 1.
2252         (find_what_p_points_to): Look through default defs of
2253         parameter decls.
2254
2255 2006-01-26  Jeff Law  <law@redhat.com>
2256
2257         PR ada/25900
2258         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2259         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2260         within the VR_RANGE, use the VR_RANGE as the result, not the
2261         VR_ANTI_RANGE.
2262         (adjust_range_with_scev): Reject ranges from SCEV which are out of
2263         bounds for the type.
2264
2265 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
2266
2267         * tree-ssa-alias.c (maybe_create_global_var): Change
2268         subvar walking to an assertion that we don't have subvar'd variables.
2269
2270 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
2271
2272         PR C/25861
2273         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2274         Use a new variable, inner.  PARM_DECLs are always non-weak.
2275
2276 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
2277
2278         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2279         --disable-checking.
2280
2281 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
2282
2283         * config/mips/mips.md (*clear_upper32): New combiner pattern.
2284
2285 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
2286
2287         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2288         (smax_insn, smin_insn, smax_0, smin_0): New.
2289
2290 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
2291
2292         PR target/25947
2293         * config/cris/cris.c (cris_order_for_addsi3): New function.
2294         * config/cris/cris-protos.h: Prototype it.
2295         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2296         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2297         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2298         (split for "op.S1 [rx=rx+i],ry (swapped)")
2299         (split for "op(s|u).S1 [rx=rx+i],ry")
2300         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2301         Apply cris_order_for_addsi3 when generating addsi3 insns.
2302
2303 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
2304
2305         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2306         (TREE_BLOCK): Add call to EXPR_CHECK.
2307
2308 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
2309
2310         PR 25886
2311         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2312         * tree-pretty-print.c (dump_omp_clause): Extract from ...
2313         (dump_omp_clauses): ... here.
2314         (dump_generic_node): Handle OMP_CLAUSE.
2315         * tree.c (omp_clause_num_ops): New.
2316         (omp_clause_code_name): New.
2317         (tree_code_size): Handle OMP_CLAUSE.
2318         (tree_size): Likewise.
2319         (make_node): Document handling of OMP_CLAUSE.
2320         (tree_node_structure): Handle OMP_CLAUSE.
2321         (omp_clause_check_failed): New.
2322         (omp_clause_range_check_failed): New.
2323         (omp_clause_operand_check_failed): New.
2324         (build_omp_clause): New.
2325         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2326         * tree.h (enum omp_clause_code): Declare.
2327         (OMP_CLAUSE_SUBCODE_CHECK): Define.
2328         (OMP_CLAUSE_RANGE_CHECK): Define.
2329         (OMP_CLAUSE_ELT_CHECK): Define.
2330         (omp_clause_check_failed): Declare.
2331         (omp_clause_operand_check_failed): Declare.
2332         (omp_clause_range_check_failed): Declare.
2333         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2334         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2335         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2336         (OMP_CLAUSE_LASTPRIVATE): Likewise.
2337         (OMP_CLAUSE_IF_EXPR): Likewise.
2338         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2339         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2340         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2341         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2342         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2343         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2344         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2345         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2346         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2347         (OMP_CLAUSE_CODE): Define.
2348         (OMP_CLAUSE_SET_CODE): Define.
2349         (OMP_CLAUSE_CODE): Define.
2350         (OMP_CLAUSE_OPERAND): Define.
2351         (struct tree_omp_clause): Declare.
2352         (union tree_node): Add field 'omp_clause'.
2353         * treestruct.def (TS_OMP_CLAUSE): Define.
2354         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2355         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2356         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2357         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2358         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2359         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2360         (OMP_CLAUSE): Define.
2361         * print-tree.c (print_node): Handle OMP_CLAUSE.
2362         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2363         * c-typeck.c: Likewise.
2364         * gimplify.c: Likewise.
2365         * c-omp.c: Likewise.
2366         * tree-nested.c: Likewise.
2367         * tree-inline.c: Likewise.
2368         * c-parser.c: Likewise.
2369         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2370         clauses.
2371
2372 2006-01-25  Roger Sayle  <roger@eyesopen.com>
2373
2374         PR rtl-optimization/25703
2375         * combine.c (try_combine): Handle zero_extract and strict_low_part
2376         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2377
2378 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
2379
2380         * global.c: Fix comment typos.
2381
2382 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
2383
2384         PR target/25758
2385         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2386         Use output_addr_const instead of assemble_name.
2387
2388 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
2389
2390         * Makefile.in (sched-vis.o): Update dependencies.
2391         * haifa-sched.c (sched_finish): Clear current_sched_info.
2392         * cfg.c (dump_bb_info): New, split from dump_flow_info.
2393         (dump_flow_info): Call it.
2394         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2395         a slim RTL dump.
2396         * basic-block.h (dump_bb_info): Declare.
2397         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2398         option, and apply options only for dump files whose TDF_RTL,
2399         TDF_TREE, or TDF_IPA bits match.
2400         * rtl.h: Declare new functions exported from sched-vis.c.
2401         * sched-vis.c: Enable also if scheduling is not used.
2402         (print_value): Print the mode of registers if not inside scheduling.
2403         (print_insn): Make it work outside the scheduler.  Beautify the output
2404         a bit.
2405         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2406
2407 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2408
2409         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2410         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2411         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2412         depending on the value of CONSTANT_POOL_ADDRESS_P.
2413         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2414         SYMBOL_REF_DECL.
2415         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2416         rather than SYMBOL_REF_DECL.
2417         (rtx_constant_pool): Remove const_rtx_sym_htab.
2418         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2419         (init_varasm_status): Don't initialize const_rtx_sym_htab.
2420         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2421         Remove handling of const_rtx_sym_htab.
2422         (find_pool_constant): Delete.
2423         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2424         rather than find_pool_constant.
2425         (get_pool_constant_for_function): Delete.
2426         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2427         find_pool_constant.
2428         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2429         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2430         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2431         (SYMBOL_REF_CONSTANT): New macro.
2432         (get_pool_constant_for_function): Delete.
2433         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2434         rather than SYMBOL_REF_DECL.
2435         (i386_pe_mark_dllimport): Likewise.
2436         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2437         rather than SYMBOL_REF_DECL.
2438         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2439         (machopic_indirect_call_target): Likewise.
2440
2441 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2442
2443         * flow.c (delete_noop_moves): Add missing EOL to dump message.
2444
2445 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2446
2447         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2448
2449 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2450
2451         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2452
2453 2006-01-24  David Daney  <ddaney@avtrex.com>
2454
2455         PR java/25816
2456         * configure.ac (enable_tls): New enable option.
2457         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2458         * configure: Regenerate.
2459         * doc/install.texi (--enable-tls): Document new option.
2460         (--disable-tls): Ditto.
2461
2462 2006-01-24  Richard Henderson  <rth@redehat.com>
2463
2464         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2465         * alias.c (true_dependence): Respect it.
2466         (canon_true_dependence, write_dependence_p): Likewise.
2467         * builtins.c (get_builtin_sync_mem): Set it.
2468
2469 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
2470
2471         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2472         efficient way.
2473
2474 2006-01-24  DJ Delorie  <dj@redhat.com>
2475
2476         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2477         for storing constants in single-bit bitfields.
2478
2479 2006-01-25  Ben Elliston  <bje@au.ibm.com>
2480
2481         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2482
2483 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
2484
2485         PR tree-opt/25860
2486         * tree-ssa-pre.c (phi_translate): Return NULL
2487         for AGGREGATE_TYPE's.
2488
2489 2006-01-24  Zack Weinberg  <zackw@panix.com>
2490
2491         * genautomata.c (process_state_for_insn_equiv_partition):
2492         Use xcalloc for insn_arcs_array.
2493         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2494         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2495
2496 2006-01-24  Richard Henderson  <rth@redhat.com>
2497
2498         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2499         update all callers.
2500
2501 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
2502
2503         PR rtl-optimization/25890
2504         PR rtl-optimization/25905
2505         * combine.c (expand_compound_operation, expand_field_assignment):
2506         Fail if the bitfield's final position is out of bounds.
2507
2508 2006-01-24  Ian Lance Taylor  <ian@airs.com>
2509
2510         PR middle-end/25930
2511         * cgraphunit.c (cgraph_output_in_order): Don't clear
2512         cgraph_asm_nodes until after asm strings have been output.
2513
2514 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
2515
2516         * fix-header.c (read_scan_file): Add new parameter imultilib when
2517         calling register_include_chains.
2518
2519 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
2520
2521         * omp-low.c: Update documentation.
2522
2523 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2524             Daniel Berlin  <dberlin@dberlin.org>
2525
2526         PR tree-opt/25315
2527         PR tree-opt/25857
2528         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2529         return from the function.
2530
2531 2006-01-22  Zack Weinberg  <zackw@panix.com>
2532
2533         * rtl.def (match_code): Add second argument.
2534         * genpreds.c (write_extract_subexp): New function.
2535         (write_match_code): Add path argument.  Use write_extract_subexp.
2536         (write_predicate_expr): Pass path to write_match_code.
2537         (mark_mode_tests): MATCH_CODE applied to a subexpression does
2538         not perform a mode test.
2539         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2540         a subexpression does not constrain the top-level code set.
2541         * read-rtl.c (read_rtx_variadic): New function.
2542         (read_rtx_1): Use it; allow AND and IOR to be variadic.
2543         * doc/md.texi: Document new notation.
2544         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2545         (cmpsi_operand): ... here, using new notation.
2546
2547 2006-01-22  Zack Weinberg  <zackw@panix.com>
2548
2549         * varray.c: Remove GENERATOR_FILE #ifdefs.
2550
2551 2006-01-22  Zack Weinberg  <zackw@panix.com>
2552
2553         * genautomata.c (output_reserved_units_table): Emit nothing if
2554         description->query_units_num is zero.  Remove extra blank line.
2555         (output_cpu_unit_reservation_p): Short circuit
2556         if description->query_units_num is zero.
2557
2558 2006-01-22  Zack Weinberg  <zackw@panix.com>
2559
2560         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
2561         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
2562         nor any of the random handful of variables that used to be necessary
2563         when this program was linked with rtlanal.o.  Prune set of forward
2564         function declarations.
2565         (struct attr_desc): Remove static_p field.
2566         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2567         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2568         (attr_string): Do not read the character one past the length of
2569         the string.
2570         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2571         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2572         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2573         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2574         (make_automaton_attrs): New.
2575         (main): Do not call into genautomata.  Call local gen_bypass
2576         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
2577         Remove special case for insn_alts.
2578         * genautomata.c: Include gensupport.h; not genattrtab.h nor
2579         varray.h (leftover from previous change).  Prune set of forward
2580         function declarations.  Remove state_alts fields from all
2581         structures.  Remove state_alts_table from struct automaton.
2582         Make everything except main static.  Do not maintain num_dfa_decls.
2583         Do not maintain state_alts fields of various structures.
2584         (process_decls): Don't validate condexp for dm_insn_reserv decls.
2585         (add_arc): Remove state_alts argument.  All callers updated.
2586         (output_reserved_units_table): Emit #ifdef here...
2587         (output_tables): ...not here.  Don't generate state_alts tables.
2588         (expand_automata): Don't generate attributes.
2589         (write_automata): Don't generate state_alts functions.
2590         (main): New function.
2591         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2592         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2593         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2594         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2595         (BYPASS_P_FUNC_NAME, output_state_alts_table)
2596         (output_automata_list_state_alts_code, output_internal_state_alts_func)
2597         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2598         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2599         Delete.
2600         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2601         * genattrtab.h: Delete file.
2602         * Makefile.in (OBJS-common): Add insn-automata.o.
2603         (insn-automata.o): New rule.
2604         (simple_generated_c): Add insn-automata.c.
2605         (build/genattrtab.o, build/genautomata.o): Update dependencies.
2606         (genprogmd): Add automata.
2607         (build/genattrtab): Needs no extra objects nor libraries.
2608         (build/genautomata): Needs build/vec.o and -lm.
2609
2610 2006-01-22  Zack Weinberg  <zackw@panix.com>
2611
2612         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2613         (output_dfa_max_issue_rate, locked_states_num): Delete.
2614         (struct automaton): Add locked_states field.
2615         (output_dead_lock_vect): Save number of locked states in
2616         automaton->locked_states.  If it is zero, don't print anything.
2617         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2618         (output_internal_dead_lock_func): Only test the dead_lock_vect
2619         for automata that have locked states.
2620         (output_statistics): Always print the number of locked states for
2621         each automaton.  Calculate total number of locked states here.
2622         (write_automata): Don't call output_dfa_max_issue_rate.
2623         * genattrtab.c: Define length_unit_log as a const variable.
2624         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
2625         max_insn_queue_index const.
2626         * final.c (length_unit_log): Declare const.
2627         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2628
2629 2006-01-22  Zack Weinberg  <zackw@panix.com>
2630
2631         * genautomata.c:  Include vec.h, not varray.h.
2632         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2633         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
2634         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
2635         VEC_* macros operating on appropriately typed vectors, or to
2636         malloced arrays when the size is known in advance.  Const-ify
2637         many char* variables and function arguments.  No functional changes.
2638         * Makefile.in (build/varray.o): Delete rule.
2639         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2640         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2641
2642 2006-01-22  Zack Weinberg  <zackw@panix.com>
2643
2644         * gensupport.c: Define get_insn_name and record_insn_name here.
2645         (read_md_rtx): Call record_insn_name as appropriate.
2646         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2647         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2648         * genpreds.c, genrecog.c: Don't define get_insn_name nor
2649         record_insn_name.
2650         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2651         (BUILD_VARRAY): Delete.
2652         (genprognormal): Rename genprogmd.  Fold in all programs from
2653         genprognoprint; also attrtab.
2654         (build/genattrtab): Just mention genautomata.o and varray.o.
2655         Reorganize a bit, add comments to make the categories clearer.
2656
2657 2006-01-22  Zack Weinberg  <zackw@panix.com>
2658
2659         * genconditions.c (condition_table, add_condition): Delete.
2660         (write_conditions): Don't emit n_insn_conditions nor
2661         insn_elision_unavailable.  Issue the gcc version #ifdef here,
2662         inside the table, with no #else clause ...
2663         (write_header): ...not here.
2664         (write_writer): New function.
2665         (main): Don't initialize condition_table.  Use add_c_test.
2666         Call write_writer.
2667         * gensupport.c (init_md_reader_args_cb): Handle multiple input
2668         files on the command line.
2669         (maybe_eval_c_test): Don't check insn_elision_unavailable.
2670         Return -1 if there is no entry in the table, don't abort.
2671         (add_c_test, traverse_c_tests): New functions.
2672         * gensupport.h (insn_elision_unavailable, insn_conditions)
2673         (n_insn_conditions): Delete declarations.
2674         (add_c_test, traverse_c_tests): Declare.
2675         * read-rtl.c: Include gensupport.h.
2676         (read_conditions): New function.
2677         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2678         (read_rtx_1): If we get EOF when we were looking for an initial
2679         open paren, return 0.  Call read_conditions when appropriate.
2680         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2681         dummy-conditions.o.  Eliminate references to insn-conditions.o,
2682         or change them to build/gencondmd.o, as appropriate.  Remove
2683         insn-constants.h from $(simple_generated_h) and insn-conditions.c
2684         from $(simple_generated_c).  For all files remaining in those
2685         two lists, add insn-conditions.md to the generator command line.
2686         Give insn-constants.h/s-constants their own rules.  Add rules
2687         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2688         (build/read-rtl.o): Depend on gensupport.h.
2689         (genprognormal): Include preds.
2690         (genprogearly): Rename genprognoprint; only difference is now that
2691         they don't link with $(BUILD_PRINT).
2692         * dummy-conditions.c: Delete.
2693
2694 2006-01-22  Zack Weinberg  <zackw@panix.com>
2695
2696         * genextract.c: Don't include insn-config.h.  Do include vec.h.
2697         Declare vectors of int, char, and locstr.
2698         (locstr): New typedef.
2699         (struct extraction): Make all array fields into bare pointers.
2700         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2701         (insn_code_number): Delete.
2702         (accum_extract): New struct.
2703         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2704         (gen_insn): Take insn_code_number as an argument.  Use an
2705         accum_extract structure instead of loading data directly into
2706         a struct extraction, and having to know how big it might get.
2707         (walk_rtx): Operate entirely on an accum_extract structure.
2708         (print_path): Avoid unnecessary use of printf.
2709         (print_header): New function, split out of main.  Distinguish
2710         more carefully between an unrecognizable insn and an insn that
2711         has the code number of a define_expand.
2712         (main): Pass insn_code_number to gen_insn.  Call print_header
2713         only after parsing.  Avoid unnecessary use of printf.
2714         * Makefile.in (build/vec.o): New rule.
2715         (build/genextract): Depend on build/vec.o.
2716         (build/genextract.o): Don't depend on insn-config.h.
2717
2718 2006-01-22  Zack Weinberg  <zackw@panix.com>
2719
2720         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2721         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
2722         practical.  Eliminate per-generator-program link rules.
2723
2724 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2725
2726         PR middle-end/24437
2727         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2728         with a call expr to ...
2729         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2730
2731 2006-01-23  Richard Guenther  <rguenther@suse.de>
2732
2733         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2734         before make_edge with conditional EDGE_TRUE_VALUE.
2735
2736 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
2737         Jan Hubicka  <jh@suse.cz>
2738         Richard Guenther  <rguenther@suse.de>
2739
2740         PR rtl-optimization/25654
2741         * cfgexpand.c (aggregate_contains_union_type): New function.
2742         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
2743         for structure variables that contain a union type.
2744
2745 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
2746
2747         * gengtype.c (new_structure): Return the structure.
2748         (create_option): Add an extra "next" argument.
2749         (create_field): New function.
2750         (adjust_field_rtx_def): Use create_option and create_field.
2751         Remove a now-unnecessary call to find_structure.
2752         (adjust_field_tree_def): Likewise.
2753         (note_yacc_type): Remove an unnecessary call to find_structure.
2754         * gengtype.h (new_structure): Return the structure.
2755         (create_option): Add an extra argument.
2756         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2757         (option): Adjust calls to create_option.
2758
2759 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2760
2761         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2762
2763 2006-01-22  Paul Brook  <paul@codesourcery.com>
2764         Peter Barada  <peter@the-baradas.com>
2765
2766         * config/m68k/m68k.md: Add Coldfire FPU support.
2767         Define FP mode macro and associated attributes.
2768         Use it for float mode patterns.
2769         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2770         (LIBCALL_VALUE): Use m68k_libcall_value.
2771         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2772         (m68k_function_value): Ditto.
2773         (emit_move_sequence): Ditto.
2774         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2775         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2776         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2777         (MULTILIB_EXCEPTIONS): Ditto.
2778         * config/m68k/m68k.opt: Add mcfv4e.
2779         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2780         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2781         (m68k_output_function_prologue): Save ColdFire FPU registers.
2782         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2783         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2784         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2785         ColdFire FPU registers.
2786         (m68k_libcall_value, m68k_function_value): New functions.
2787         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2788         (LIBCALL_VALUE): Use m68k_libcall_value.
2789         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2790         (MASK_COLDFIRE): Add MASK_CFV4E.
2791         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2792         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2793         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2794         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2795         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2796         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2797         * doc/invoke.tex: Document -mcfv4e on m68k.
2798
2799 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2800
2801         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2802         URL.
2803
2804 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2805
2806         PR c++/16190
2807         * c-opts.c (c_common_handle_option): Don't include
2808         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2809         * doc/invoke.texi (C++ Dialect Options): Document that
2810         -Wnon-virtual-dtor is no longer included in -Wall.
2811
2812 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2813
2814         * gcov.c (print_version), gcov-dump.c (print_version),
2815         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2816         dates.
2817
2818 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2819
2820         * df-scan.c (problem_SCAN): Added NULL reset function.
2821         (df_scan_reset_blocks): Added code to call reset block function
2822         (df_bb_refs_delete) Fixed comment.
2823         (df_insn_refs_delete): Made tolerant of deleting non existent info
2824         for dataflow problems that need to be reset.
2825         * df-core.c (df_set_blocks): Ditto.
2826         * df.h (struct df_problem): Added reset_fun.
2827         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2828         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2829         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2830         functions to clear out all references to def-use or use-def chains.
2831
2832 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2833
2834         * varasm.c (assemble_real): Initialise data array.
2835
2836 2006-01-20  Paul Brook  <paul@codesourcery.com>
2837
2838         Merge from csl-arm-branch.
2839         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2840         * config/arm/arm.md (movdi): Force operands[1] to a register
2841         if we have a non-register source.
2842         (*arm_movdi, *movdf_soft_insn): Require that one of the
2843         operands be a register.
2844         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2845         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2846
2847 2006-01-20  DJ Delorie  <dj@redhat.com>
2848
2849         * varasm.c (initialize_constant_valid_p): Allow pointers
2850         initialized from integer constants of lesser precision.
2851         (output_constant): Allow non-int-sized pointer modes to be
2852         initialized from integer constants.
2853
2854 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2855
2856         PR libstdc++/25524
2857         * cppdefault.h (struct default_include): Add multilib flag.
2858         * cppdefault.c (cpp_include_defaults): Set it.
2859         * c.opt (-imultilib): New option.
2860         * c-opts.c (imultilib): New.
2861         (c_common_handle_option): Handle -imultilib.
2862         (c_common_post_options): Likewise.
2863         * c-incpath.c (add_standard_paths, register_include_chains):
2864         Likewise.
2865         * c-incpath.h (register_include_chains): Add extra parameter.
2866         * gcc.c (do_spec_1): Generate -imultilib option.
2867         (The Specs Language): Update %I description.
2868         (process_command): Update copyright notice.
2869         * doc/cppopts.texi (-imultilib): Document.
2870         * doc/invoke.texi (-imultilib): Include in option summary.
2871         (%I): Update specs documentation.
2872
2873 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2874
2875         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2876
2877 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2878
2879         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2880         label numbers.
2881
2882 2006-01-20  Richard Guenther  <rguenther@suse.de>
2883         Steven Bosscher <stevenb.gcc@gmail.com>
2884
2885         PR rtl-optimization/24626
2886         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2887         EDGE_TRUE_VALUE if in RTL mode.
2888
2889         Revert
2890         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2891         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2892
2893 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2894
2895         PR c++/5520
2896         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2897         instead of a special NOP marker.
2898         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2899         NOP marker handling.
2900         * c-common.h (empty_body_warning): Add forward declaration.
2901         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2902         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2903
2904 2006-01-20  Paul Brook  <paul@codesourcery.com>
2905
2906         * Makefile.in (lang_checks): Keep going if mkdir fails.
2907
2908 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2909
2910         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2911         be able to clean out basic block when not necessary.
2912         (df_scan_free): Fixed to properly delete information if df is
2913         unused before calling df_finish.
2914         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2915         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2916         or comment typos.
2917         (df_bb_refs_delete): New function.
2918         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2919         * df-core.c (df_set_blocks): Added code to properly clean out
2920         unused blocks if they are not part of the blocks to consider.
2921         Added additional null check.
2922         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2923         be able to clean out basic block when not necessary
2924         * df.h (df_free_bb_function): Ditto.
2925         (df_bb_refs_delete): New function.
2926         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2927         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2928         basic block parameter to be able to clean out basic block when not
2929         necessary.
2930         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2931         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2932         Fixed to properly delete information if df is unused before
2933         calling df_finish.
2934
2935 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2936
2937         PR rtl-optimization/25799
2938         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2939         Corrected confluence operator to remove bits from op2 before oring
2940         with op1 rather than removing bits from op1.
2941         (df_ru_transfer_function): Corrected test on wrong bitmap which
2942         caused infinite loop.  Both of these problems were introduced in
2943         the dataflow rewrite.
2944
2945 2006-01-19  DJ Delorie  <dj@redhat.com>
2946
2947         * reload1.c (find_reload_regs): Note the details of reload
2948         failures in the dump file.
2949         (spill_failure): Likewise.
2950
2951 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2952
2953         * loop-iv.c: Include df.h and hashtab.h.
2954         (enum iv_grd_result): New enum.
2955         (DF_REF_IV, DF_REF_IV_SET): New macros.
2956         (struct biv_entry): New.
2957         (df, bivs): New global variables.
2958         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2959         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2960         Removed.
2961         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2962         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2963         analyzed_for_bivness_p, record_biv): New functions.
2964         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2965         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2966         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2967         UD chains.
2968         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2969         analysed.
2970         (iv_number_of_iterations): Use new interface to iv analysis.
2971         * loop-unroll.c: Do not include varray.h.
2972         (analyze_iv_to_split_insn): Use new interface to iv
2973         analysis.
2974         * loop-unswitch.c (may_unswitch_on): Ditto.
2975         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2976         allocated.
2977         (df_bb_modify): Realloc tables to the new index.
2978         (df_find_use): New function.
2979         * df.h (df_find_use): Declare.
2980         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2981         outmode.
2982         * cfgloop.h (struct rtx_iv): Remove analysed field.
2983         (iv_get_reaching_def): Removed.
2984         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2985         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2986         (loop-iv.o): Add df.h and hashtab.h dependency.
2987         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2988
2989 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2990
2991         PR target/25668
2992         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2993         Double TFmode.
2994         (__floatundisf, __floatundidf): Likewise.
2995         * libgcc2.h (IS_IBM_EXTENDED): Define.
2996
2997 2006-01-19  DJ Delorie  <dj@redhat.com>
2998
2999         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3000
3001 2006-01-19  Paul Brook  <paul@codesourcery.com>
3002
3003         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3004         as nothrow when unwinding tables are disabled.
3005
3006 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3007
3008         PR testsuite/25171
3009         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3010         of bit-field" when in system header.
3011
3012 2006-01-19  DJ Delorie  <dj@redhat.com>
3013
3014         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3015         the 16 bit shift limit of the m16c.
3016
3017 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
3018
3019         PR target/22099
3020         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3021         * config/i386/i386.c (output_set_got): Output the label if we have one
3022         for the TARGET_DEEP_BRANCH_PREDICTION case.
3023
3024 2006-01-19  Jan Hubicka  <jh@suse.cz>
3025             H.J. Lu  <hongjiu.lu@intel.com>
3026             Evandro Menezes <evandro.menezes@amd.com>
3027
3028         * invoke.texi (generic): Document
3029         (i686) Update.
3030         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3031         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3032         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3033         (x86_use_incdec, x86_pad_returns): New variables
3034         (TARGET_CPU_DEFAULT_generic): New constant
3035         (TARGET_CPU_DEFAULT_NAMES): Add generic.
3036         (enum processor_type): Add generic32 and generic64.
3037         * i386.md (cpu attribute): Add generic32/generic64
3038         (movhi splitter): Behave sanely when both partial_reg_dependency and
3039         partial_reg_stall are set.
3040         (K8 splitters): Enable for generic as well.
3041         * predicates.md (incdec_operand): Use TARGET_INCDEC
3042         (aligned_operand): Avoid memory mismatch stalls.
3043         * athlon.md: Enable for generic64, new patterns for 128bit moves.
3044         * ppro.md: Enable for generic32
3045         * i386.c (generic64_cost, generic32_cost): New.
3046         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3047         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
3048         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
3049         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3050         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3051         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3052         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3053         x86_accumulate_outgoing_args, x86_prologue_using_move,
3054         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3055         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3056         Enable for generic.
3057         (x86_use_incdec, x86_pad_returns): New.
3058         (override_options): Add generic32 and generic64, translate "generic"
3059         to generic32/generic64 and "i686" to "generic32", refuse
3060         "generic32"/"generic64" as arch target.
3061         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3062         (ix86_reorg): Honor PAD_RETURNS.
3063
3064 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
3065
3066         * tree-pretty-print.c (dump_generic_node): Handle
3067         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3068         * cgraph.c (cgraph_expand_queue): Rename from
3069         cgraph_analyze_queue.  Update all users.
3070         * cgraphunit.c (cgraph_assemble_pending_functions): Process
3071         cgraph_expand_queue.
3072         (cgraph_expand_all_functions): Likewise.
3073         (cgraph_finalize_pending_functions): Remove.  Update callers.
3074
3075         * tree.h (OMP_DIRECTIVE_P): Define.
3076         (OMP_PARALLEL_FN): Define.
3077         (OMP_PARALLEL_DATA_ARG): Define.
3078         (OMP_SECTIONS_SECTIONS): Define.
3079         * tree-pass.h (pass_expand_omp): Declare.
3080         * omp-low.c (struct omp_region): Declare.
3081         (struct omp_context): Remove fields 'parallel_type',
3082         'parallel_start_ix' and 'parallel_start_additional_args'.
3083         Update all users.
3084         (struct omp_for_data): Rename from struct expand_omp_for_data.
3085         (omp_regions): New static variable.
3086         (root_omp_region): New static variable.
3087         (find_omp_clause): Make static.
3088         (is_in_combined_parallel_ctx): Remove.
3089         (is_combined_parallel): New.
3090         (extract_omp_for_data): Move earlier in the file.
3091         (workshare_safe_to_combine_p): New.
3092         (get_ws_args_for): New.
3093         (determine_parallel_type): Move earlier in the file.
3094         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3095         child function.
3096         (omp_copy_decl): Likewise.
3097         (create_omp_child_function): Likewise.
3098         (lookup_omp_region): New.
3099         (dump_omp_region): New.
3100         (debug_omp_region): New.
3101         (debug_all_omp_regions): New.
3102         (new_omp_region): New.
3103         (scan_omp_parallel): If parallel_nesting_level > 1, the
3104         directive is nested within another parallel directive.
3105         Set OMP_PARALLEL_FN.
3106         (scan_omp_for): Do not try to handle combined parallel+for
3107         cases.
3108         Remove FIXME comment.
3109         (scan_omp_nested): Remove.
3110         (scan_omp_1): Do not call scan_omp_nested when
3111         parallel_nesting_level is > 1.
3112         Do not change the DECL_CONTEXT of local variables found.
3113         (lookup_decl_in_outer_ctx): New.
3114         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3115         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3116         (lower_reduction_clauses): Rename from expand_reduction_clauses.
3117         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3118         If CTX is nested, lookup VAR in the outer context when
3119         building copy assignment.
3120         (lower_send_clauses): Rename from expand_send_clauses.
3121         If CTX is nested, lookup VAR in the outer context when
3122         building copy assignments.
3123         (lower_send_shared_vars): Rename from expand_send_shared_vars.
3124         If CTX is nested, lookup VAR in the outer context when
3125         building copy assignments.
3126         (expand_parallel_call): Rename from build_parallel_call.
3127         Handle combined parallel+workshare cases.
3128         Re-implement to emit code into the CFG.
3129         (list2chain): New.
3130         (expand_omp_parallel): Re-implement to emit code into the CFG.
3131         Call move_sese_region_to_fn to outline the sub-graph
3132         containing the parallel region.
3133         (expand_omp_for_1): Remove.
3134         (expand_omp_for_generic): Re-implement to emit code into the
3135         CFG.
3136         (expand_omp_for_static_nochunk): Likewise.
3137         (expand_omp_for_static_chunk): Likewise.
3138         (expand_omp_for): Likewise.
3139         (expand_omp_sections): Likewise.
3140         (remove_exit_barriers): New.
3141         (expand_omp_synch): New.
3142         (expand_omp): New.
3143         (build_omp_regions_1): New.
3144         (build_omp_regions): New.
3145         (execute_expand_omp): New.
3146         (gate_expand_omp): New.
3147         (pass_expand_omp): Define.
3148         (lower_omp_sections): Rename from expand_omp_sections.
3149         Set OMP_SECTIONS_SECTIONS.
3150         (lower_omp_single_simple): Rename from expand_omp_single_simple.
3151         (lower_omp_single_copy): Rename from expand_omp_single_copy.
3152         (lower_omp_single): Rename from expand_omp_simple.
3153         (lower_omp_master): Rename from expand_omp_master.
3154         (lower_omp_ordered): Rename from expand_omp_ordered.
3155         (lower_omp_critical): Rename from expand_omp_critical.
3156         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3157         (lower_omp_for): Re-implement.
3158         (lower_omp_parallel): Re-implement.
3159         (lower_regimplify): Rename from expand_regimplify.
3160         (lower_omp_1): Rename from expand_omp_1.
3161         If there are syntax errors in the program, replace every
3162         OpenMP directive with NOP.
3163         Call lower_omp_* instead of expand_omp_*.
3164         (lower_omp): Rename from expand_omp.
3165
3166         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3167         * tree-gimple.h (enum omp_parallel_type): Remove.
3168         (gimple_boolify): Declare extern.
3169         (find_omp_clause, determine_parallel_type): Remove.
3170
3171         * gimple-low.c (lower_omp_directive): New.
3172         (lower_stmt): Call it.
3173         (record_vars_into): Move from ...
3174         (record_vars): ... here.
3175         Call record_vars_into with current_function_decl.
3176
3177         * gimplify.c (struct gimplify_ctx): Remove fields
3178         combined_pre_p and combined_ctxp.  Update users.
3179         (get_formal_tmp_var): Add documentation.
3180         (gimple_boolify): Make extern.
3181         (gimplify_expr_in_ctx): Remove.  Update callers.
3182         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3183         will always be a BIND_EXPR.
3184         (gimplify_expr): Handle OMP_RETURN_EXPR.
3185         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3186         (OMP_PARALLEL): Add 3 operands.
3187         (OMP_SECTIONS): Add 1 operand.
3188         (OMP_RETURN_EXPR): Define.
3189
3190         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3191         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3192         * tree-iterator.c (alloc_stmt_list): Assert that we are not
3193         creating a circular free list.
3194         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3195
3196         * tree-flow.h (move_sese_region_to_fn): Declare.
3197         (record_vars_into): Declare.
3198         * tree-cfg.c (make_omp_sections_edges): New.
3199         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3200         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3201         OMP_SECTIONS and OMP_SECTION.
3202         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3203         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3204         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3205         (gather_blocks_in_sese_region): New.
3206         (struct move_stmt_d): Declare.
3207         (move_stmt_r): New.
3208         (move_block_to_fn): New.
3209         (move_sese_region_to_fn): New.
3210
3211         * passes.c (init_optimization_passes): Schedule
3212         pass_expand_omp after pass_init_datastructures.
3213
3214         * tree-ssa-operands.c (get_expr_operands): Handle
3215         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3216         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3217
3218 2006-01-19  Jeff Law  <law@redhat.com>
3219
3220         * tree-vrp.c (extract_range_from_assert): Refine the result range
3221         if the variable referenced by the ASSERT_EXPR has a range and
3222         either the tentative result range or the previous range is a
3223         VR_ANTI_RANGE.
3224
3225 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
3226
3227         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3228
3229 2006-01-19  Jan Hubicka  <jh@suse.cz>
3230
3231         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3232
3233 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
3234
3235         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3236         (expand_compound_operation, expand_field_assignment): Fail if the
3237         bit lengths of an extract operation are out of range.
3238         (make_extraction): Compute wanted_inner_mode based on the position
3239         and length of the extraction.  Make it extraction_mode for non-constant
3240         positions, and do not modify offset in that case.  When generating a
3241         new MEM, use a mode that can hold the extraction while keeping correct
3242         alignment.  Remove code that supported MEMs wrapped by USEs.
3243         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3244
3245 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3246
3247         * config/s390/s390.md ("Y", "y"): New mode attribute.
3248         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3249         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3250         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3251         "*addsi3_imm_cc", "*addsi3_carry1_cc",
3252         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3253         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3254         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3255         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3256         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3257         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3258         "addsi3", "subsi3"): Insn patterns removed.
3259         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3260         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3261         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3262         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3263         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3264         "*sub<mode>3_cconly2"): New insn patterns.
3265         ("addsi3", "subsi3"): New expanders.
3266
3267 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
3268
3269         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3270         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3271         existing STMT_VINFO_VECTYPE if available.
3272         (vect_mark_relevant): Add special handling for stmts that are
3273         marked as STMT_VINFO_IN_PATTERN_P.
3274         (vect_analyze_loop): Call vect_pattern_recog.
3275         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3276         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3277         stmt_info.
3278         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3279         (vect_recog_func_ptr): New function-pointer type.
3280         * tree-vect-patterns.c: New file.
3281         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3282         (vect_recog_dot_prod_pattern, vect_pattern_recog):
3283         (vect_pattern_recog_1): New functions.
3284         (vect_pattern_recog_funcs): New array of function pointers.
3285
3286         * tree-vectorizer.h (ternary_op): New enum value.
3287         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3288         declaration. Revised documentation. Removed redundant dump prints.
3289         Removed redundant argument. Added support for reduction patterns.
3290         (vectorizable_reduction): Added support for reduction patterns.
3291         (vect_transform_stmt): Added support for patterns.
3292
3293         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3294         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3295         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3296         (expand_widen_pattern_expr): New function.
3297         (init_optabs): Initialize new optabs udot_prod_optab,
3298         sdot_prod_optab.
3299         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3300         (sdot_prod_optab, udot_prod_optab): Define new optabs.
3301         (expand_widen_pattern_expr): New function declaration.
3302         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3303         tree-codes.
3304         * tree-inline.c (estimate_num_insns_1): Added cases for new
3305         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3306         * tree-pretty-print.c (dump_generic_node): Likewise.
3307         (op_prio): Likewise.
3308         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3309         * tree-ssa-operands.c (get_expr_operands): Added case for
3310         DOT_PROD_EXPR.
3311         * tree-vect-patterns.c (widened_name_p): New function.
3312         (vect_recog_dot_prod_pattern): Added function implementation.
3313         * tree-vect-transform.c (get_initial_def_for_reduction): Added
3314         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3315         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3316         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3317
3318         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3319         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3320         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3321         (init_optabs): Initialize new optabs widen_ssum_optab,
3322         widen_usum_optab.
3323         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3324         (widen_ssum_optab, widen_usum_optab): Define new optabs.
3325         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3326         use instead of type of def.
3327         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3328         function implementation.
3329         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3330         widen_ssumv8hi): New.
3331
3332         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3333         patterns.
3334
3335 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
3336
3337         PR c/25805
3338         * c-decl.c (add_flexible_array_elts_to_size): New function.
3339         (finish_decl): Use it.
3340
3341 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3342
3343         * diagnostic.h: Include options.h.
3344         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3345         dependancies for diagnostic.h.
3346         * Makefile.in (DIAGNOSTIC_H): Add options.h.
3347
3348 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
3349
3350         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3351         (ssa_ro_call_cache_valid): Ditto.
3352         * tree-ssa-alias.c (sort_tags_by_id): New function.
3353         (init_transitive_clobber_worklist): Ditto.
3354         (add_to_worklist): Ditto.
3355         (mark_aliases_call_clobbered): Ditto.
3356         (compute_tag_properties): Ditto.
3357         (set_initial_properties): Ditto.
3358         (compute_call_clobbered): Ditto.
3359         (compute_may_aliases):  Call compute_call_clobbered and grouping.
3360         (compute_flow_sensitive_aliasing): Remove clobbering related code.
3361         (compute_flow_insensitive_aliasing): Grouping now happens in our
3362         caller.
3363         (setup_pointers_and_addressables): Remove clobbering related code.
3364         (add_may_alias): Ditto.
3365         (replace_may_alias): Ditto.
3366         (get_nmt_for): Ditto.
3367         (create_global_var):
3368         (is_escape_site): Return an escape_type enumeration.
3369         * tree-flow-inline.h (is_call_clobbered):  Global var does not
3370         imply call clobbered.
3371         (mark_call_clobbered): Take a reason for marking this. Remove
3372         marking of globalness, and cache invalidation.
3373         (clear_call_clobbered): Remove cache invalidation code.
3374         * tree-dfa.c (dump_variable): If details is on, dump the reason
3375         for escaping.
3376         * tree-outof-ssa.c (create_temp): Copy escape mask from original
3377         variable.
3378         * tree-flow.h (struct ptr_info_def): Add escape mask member.
3379         (struct var_ann_d): Ditto.
3380         (enum escape_type): New.
3381         (mark_call_clobbered): Adjust prototype.
3382         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3383         are never call clobbered.
3384         Record reasons for escaping.
3385         * tree-ssa-structalias.h (is_escape_site): Update prototype.
3386         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3387         (ssa_ro_call_cache_valid): Ditto.
3388         (clobbered_v_may_defs): Ditto.
3389         (clobbered_vuses): Ditto.
3390         (ro_call_vuses): Ditto.
3391         (clobber_stats): New.
3392         (init_ssa_operands): Zero out clobber stats.
3393         (fini_ssa_operands): Print out clobber stats.
3394         (get_call_expr_operands): Pass callee fndecl to
3395         add_call_read_ops).
3396         (add_call_clobber_ops): Remove use of cache.
3397         Add use of PURE_CONST information.
3398         (add_call_read_ops): Remove use of cache.
3399         Add use of static not_read information.
3400
3401 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
3402
3403         Introduce TLS descriptors for i386 and x86_64.
3404         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3405         (TARGET_ANY_GNU_TLS): New macro.
3406         (enum tls_dialect): Added TLS_DIALECT_GNU2.
3407         (struct machine_function): Add tls_descriptor_call_expanded_p.
3408         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3409         (ix86_current_function_calls_tls_descriptor): Likewise.
3410         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3411         (override_options): Introduce gnu2 tls dialect.
3412         (ix86_frame_pointer_required): Functions containing TLSCALLs are
3413         not leaves.
3414         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3415         Likewise.
3416         (legitimize_tls_address): Adjust logic for GNU2 TLS.
3417         (ix86_init_machine_status): Initialize new field.
3418         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3419         (ix86_tls_module_base): New.
3420         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3421         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3422         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3423         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3424         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3425         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3426         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3427         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3428         * config/i386/predicates.md (tls_modbase_operand): New.
3429         (tp_or_register_operand): New.
3430
3431 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
3432
3433         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
3434         (look_for_address_of): Ditto.
3435         (ipa_init): Walk the function decls.
3436         (static_execute): Don't set readonly on FUNCTION_DECL's.
3437
3438 2006-01-18  Roger Sayle  <roger@eyesopen.com>
3439
3440         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3441         for shifts where the source and destination registers are different.
3442
3443 2006-01-18  Paul Brook  <paul@codesourcery.com>
3444
3445         Merge from csl-arm-branch.
3446         2005-03-14  Julian Brown  <julian@codesourcery.com>
3447         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3448         (aeabi_llsl): Likewise.
3449         (ashrdi3): Likewise.
3450         (aeabi_lasr): Likewise.
3451         (lshrdi3): Likewise.
3452         (aeabi_llsr): Likewise.
3453         2005-03-10  Julian Brown  <julian@codesourcery.com>
3454         * config.gcc: Disable shared libgcc for SymbianOS.
3455         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3456
3457 2006-01-18  DJ Delorie  <dj@redhat.com>
3458
3459         * c-pragma.c (handle_pragma_diagnostic): New.
3460         (init_pragma): Register it.
3461         * doc/extend.texi: Document it.
3462
3463         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3464         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3465         (diagnostic_context): Add classify_diagnostic[].
3466         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3467         as errors if they're overridden to DK_WARNING.
3468         (diagnostic_initialize): Initialize classify_diagnostic[].
3469         (diagnostic_set_kind_override): New.
3470         (diagnostic_report_diagnostic): Check for kind changes.
3471         * opts.c (common_handle_option): Take lang_mask.  Update callers.
3472         Handle OPT_Werror_.
3473         * common.opt (Werror=): New.
3474         * doc/invoke.texi: Document -Werror=*
3475
3476 2006-01-18  Jeff Law  <law@redhat.com>
3477
3478         * tree-vrp.c (test_for_singularity): Correct test for new
3479         min limit.  Use operand_equal_p rather than pointer equality
3480         for testing if new min/max values are equal.
3481
3482         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3483         using range information until after propagation and folding.
3484
3485 2006-01-18  Richard Henderson  <rth@redhat.com>
3486             Aldy Hernandez  <aldyh@redhat.com>
3487             Jakub Jelinek  <jakub@redhat.com>
3488             Diego Novillo  <dnovillo@redhat.com>
3489
3490         * omp-low.c: New file.
3491         * c-omp.c: New file.
3492
3493 2006-01-18  Richard Henderson  <rth@redhat.com>
3494             Jakub Jelinek  <jakub@redhat.com>
3495             Diego Novillo  <dnovillo@redhat.com>
3496
3497         * doc/invoke.texi: Document -fopenmp.
3498         * tree-dump.h (debug_function): Declare.
3499         * hooks.c (hook_bool_tree_bool_false): New function.
3500         (hook_tree_tree_null): Remove.
3501         (hook_tree_tree_tree_null): New.
3502         * hooks.h: Update to match.
3503         * tree-pretty-print.c (debug_tree_chain): New.
3504         (print_generic_expr): Handle TDF_CHAIN.
3505         (dump_generic_node): Handle BLOCK.
3506         Do not abort with incomplete SWITCH_EXPRs.
3507         Do not dump body of an OpenMP directive if TDF_SLIM is given.
3508         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3509         print space after directive name.
3510         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3511         Handle OMP_MASTER and OMP_ORDERED.
3512         Handle printing of OMP_BODY just in one place, goto
3513         dump_omp_body in the rest of OMP_* nodes that have
3514         OMP_BODY.
3515         Don't handle clause nodes here.  Update omp statements to
3516         use dump_omp_clauses.
3517         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3518         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3519         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3520         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3521         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3522         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3523         Adjust output for GOMP_PARALLEL.
3524         (dump_omp_clauses): New.
3525         (print_declaration): Dump DECL_VALUE_EXPR.
3526         (op_symbol_1): Split out of op_symbol.
3527         (dumping_stmts): Remove.  Update all users.
3528         * cgraph.c (cgraph_analyze_queue): New.
3529         (cgraph_add_new_function): New.
3530         * cgraph.h (cgraph_analyze_queue): Declare.
3531         (cgraph_add_new_function): Declare.
3532         (cgraph_lower_function): Remove.
3533         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3534         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3535         and TYPE_P nodes in its default clause.
3536         (empty_body_p): New.
3537         (tree_range_check_failed): New.
3538         (build5_stat): New.
3539         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3540         OMP_CLAUSE_REDUCTION_MERGE,
3541         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3542         OMP_CLAUSE_PRIVATE_DEBUG,
3543         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3544         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3545         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3546         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3547         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3548         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3549         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3550         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3551         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3552         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3553         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3554         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3555         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3556         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3557         (TREE_RANGE_CHECK): New.
3558         (empty_body_p): Declare.
3559         (enum omp_clause_default_kind): New.
3560         (build_string_literal): Declare.
3561         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3562         (build5_stat, build5): Declare.
3563         * tree-pass.h (TDF_CHAIN): Define.
3564         * tree-pass.h (PROP_gimple_lomp): Define.
3565         (pass_lower_omp): Declare.
3566         * diagnostic.h (debug_tree_chain): Declare.
3567         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3568         mode_for_size.
3569         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3570         * builtins.c (build_string_literal): Make extern.
3571         * gcc.c (include_spec_function): New.
3572         (static_spec_functions): Add it.
3573         (main): Move load of libgomp.spec ...
3574         (LINK_COMMAND_SPEC): ... here.
3575         (link_gomp_spec): New.
3576         (static_specs): Include it.
3577         (LINK_COMMAND_SPEC): Add link_gomp.
3578         (GOMP_SELF_SPECS): New.
3579         (driver_self_specs): Include it.
3580         (switch_matches): Don't mark inline.
3581         (main): Load libgomp.spec.
3582         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3583         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3584         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3585         * tree-gimple.h (enum omp_parallel): Declare.
3586         (determine_parallel_type): Declare.
3587         (omp_firstprivatize_variable): Declare.
3588         (omp_reduction_init): Declare.
3589         (diagnose_omp_structured_block_errors): Declare.
3590         (struct walk_stmt_info): Add want_return_expr.
3591         (struct walk_stmt_info): Add want_bind_expr, want_locations.
3592         (find_omp_clause): Declare.
3593         (insert_field_into_struct): Declare.
3594         (struct walk_stmt_info): Move from tree-nested.c
3595         (walk_stmts): Declare.
3596         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3597         to 200505.
3598         * cgraphunit.c (cgraph_lower_function): Make static.
3599         (cgraph_finalize_pending_functions): New.
3600         (cgraph_finalize_function): Call it.
3601         (cgraph_finalize_compilation_unit): Likewise.
3602         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3603         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3604         (BT_FN_UINT_UINT): New.
3605         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3606         DEF_FUNCTION_TYPE_VAR_4): Document.
3607         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3608         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3609         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3610         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3611         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3612         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3613         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3614         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3615         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3616         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3617         into separate files.
3618         (DEF_GOMP_BUILTIN): New.
3619         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3620         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3621         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3622         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3623         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3624         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3625         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3626         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3627         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3628         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3629         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3630         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3631         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3632         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3633         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3634         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3635         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3636         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3637         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3638         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3639         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3640         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3641         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3642         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3643         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3644         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3645         * sync-builtins.def: New file, moved from builtins.def.
3646         * omp-builtins.def: New file, moved from builtins.def.
3647         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3648         * gimple-low.c (lower_function_body): Clear data.
3649         (lower_stmt): Do not handle COMPOUND_EXPR.
3650         Remove call to print_node_brief.
3651         * c-tree.h (c_finish_omp_clauses): New prototype.
3652         (C_DECL_THREADPRIVATE_P): Define.
3653         (lookup_name_no_remap, c_omp_remap_private): Remove
3654         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3655         (check_for_loop_decls): Update decl.
3656         (lookup_name_no_remap, c_omp_remap_private): Declare.
3657         (build_indirect_ref, build_modify_expr, pushdecl,
3658         pushdecl_top_level): Move to c-common.h.
3659         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3660         before the switch, but just in the 2 places that need it.
3661         * c-decl.c (diagnose_mismatched_decls): Do not check for
3662         mismatched thread-local attributes when OLDDECL is marked
3663         threadprivate and NEWDECL has no thread-local attributes.
3664         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3665         (c_gimple_diagnostics_recursively): Rename from
3666         c_warn_unused_result_recursively.  Invoke
3667         diagnose_omp_structured_block_errors.
3668         (check_for_loop_decls): Return a singular decl found.
3669         * langhooks.c (lhd_omp_predetermined_sharing): Return
3670         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3671         (lhd_omp_firstprivatize_type_sizes): New.
3672         (lhd_omp_assignment): New.
3673         (lhd_omp_predetermined_sharing): New.
3674         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3675         (struct lang_hooks_for_types): Add
3676         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3677         omp_predetermined_sharing, omp_disregard_value_expr,
3678         omp_private_debug_clause, omp_clause_default_ctor,
3679         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3680         (c_finish_omp_clauses): New.
3681         (c_finish_bc_stmt): Diagnose break within omp for.
3682         (c_begin_omp_parallel, c_finish_omp_parallel): New.
3683         (build_unary_op): Return error_mark after reporting
3684         a readonly_error.
3685         (build_modify_expr): Likewise.
3686         * gimplify.c: Include optabs.h and pointer-set.h.
3687         (enum gimplify_omp_var_data): Declare.
3688         (struct gimplify_omp_ctx): Declare.
3689         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3690         and combined_ctxp.
3691         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3692         (push_gimplify_context, pop_gimplify_context): Allow nesting.
3693         (splay_tree_compare_decl_uid): New.
3694         (new_omp_context): New.
3695         (delete_omp_context): New.
3696         (gimple_add_tmp_var): Call omp_add_variable.
3697         (gimplify_bind_expr): Likewise.
3698         (gimplify_var_or_parm_decl): If omp_notice_variable returned
3699         true, disregard DECL_VALUE_EXPR on the decl if any.
3700         (gimplify_expr_in_ctx): New.
3701         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3702         omp_add_variable, omp_notice_variable, omp_is_private
3703         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3704         gimplify_adjust_omp_clauses, gimplify_omp_parallel
3705         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3706         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3707         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3708         gimplify_omp_atomic): New.
3709         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3710         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3711         OMP_CRITICAL and OMP_ATOMIC.
3712         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3713         * c-pragma.h (enum pragma_kind): Add
3714         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3715         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3716         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3717         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3718         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3719         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3720         PRAGMA_OMP_THREADPRIVATE.
3721         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3722         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3723         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3724         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3725         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3726         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3727         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3728         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3729         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3730         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3731         * tree-ssa-dce.c (find_control_dependence): Do not assume that
3732         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3733         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3734         OpenMP directives.
3735         (struct nesting_info): Add field_map,
3736         suppress_expansion, debug_var_chain.
3737         (create_nesting_tree): Initialize them.
3738         (lookup_field_for_decl): Use field_map.
3739         (get_nonlocal_debug_decl, get_local_debug_decl): New.
3740         (convert_local_omp_clauses): New.
3741         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3742         (walk_body): Split out of walk_function.
3743         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3744         (convert_nonlocal_reference): Handle omp statements.
3745         (convert_local_reference): Likewise.
3746         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3747         (unnest_nesting_tree): New.
3748         (lower_nested_functions): Call it.
3749         (insert_field_into_struct): Make extern.
3750         (struct walk_stmt_info): Move to tree-gimple.h.
3751         (walk_stmts): Make extern.
3752         * omp-builtins.def: New file.
3753         * tree-iterator.c (expr_only): Clarify comment.
3754         * c-common.h (pushdecl_top_level, pushdecl,
3755         build_modify_expr, build_indirect_ref,
3756         c_finish_omp_master, c_finish_omp_critical,
3757         c_finish_omp_ordered, c_finish_omp_barrier,
3758         c_finish_omp_atomic, c_finish_omp_flush,
3759         c_finish_omp_for, c_split_parallel_clauses,
3760         omp_clause_default_kind, c_omp_sharing_predetermined,
3761         c_omp_remap_decl): Declare.
3762         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3763         (OBJS-common): Add omp-low.o.
3764         (c-omp.o, omp-low.o): Add.
3765         (gimplify.o): Add dependency on $(OPTABS_H).
3766         (GTFILES): Add omp-low.c.
3767         (gt-stringpool.h): Add.
3768         * tree-cfg.c (set_bb_for_stmt): Do not update the
3769         block-to-labels map if we are currently expanding to RTL.
3770         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3771         checks.
3772         Handle IDENTIFIER_NODE.
3773         (tree_verify_flow_info): Do not ICE when emitting error
3774         messages about invalid labels.
3775         (dump_function_to_file): Reset CFUN before emitting the body
3776         of the function.
3777         (debug_function): New.
3778         * passes.c (init_optimization_passes): Schedule
3779         pass_lower_omp.
3780         * langhooks-def.h (lhd_omp_predetermined_sharing,
3781         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3782         Declare.
3783         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3784         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3785         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3786         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3787         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3788         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3789         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3790         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3791         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3792         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3793         (LANG_HOOK_DECLS): Use them.
3794
3795 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3796             Richard Henderson  <rth@redhat.com>
3797             Jakub Jelinek  <jakub@redhat.com>
3798             Diego Novillo  <dnovillo@redhat.com>
3799
3800         * c-parser.c (pragma_omp_clause): Define.
3801         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3802         (c_parser_compound_statement): Likewise.
3803         (c_parser_statement): Likewise.
3804         (c_parser_pragma): Handle omp pragmas.
3805         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3806         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3807         (c_parser_omp_clause_name, check_no_duplicate_clause,
3808         c_parser_omp_variable_list,
3809         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3810         c_parser_omp_clause_copyprivate,
3811         c_parser_omp_clause_default,
3812         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3813         c_parser_omp_clause_lastprivate,
3814         c_parser_omp_clause_nowait,
3815         c_parser_omp_clause_num_threads,
3816         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3817         c_parser_omp_clause_reduction,
3818         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3819         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3820         c_parser_omp_atomic, c_parser_omp_barrier,
3821         c_parser_omp_critical, c_parser_omp_flush,
3822         c_parser_omp_for_loop, c_parser_omp_for,
3823         c_parser_omp_master, c_parser_omp_ordered,
3824         c_parser_omp_sections_scope, c_parser_omp_sections,
3825         c_parser_omp_parallel, c_parser_omp_single,
3826         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3827         * c-pragma.c (init_pragma): Do omp pragma registration here.
3828         * c.opt (fopenmp): New flag.
3829
3830 2006-01-18  Eric Christopher  <echristo@apple.com>
3831
3832         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3833         * config/darwin.h (GOMP_SELF_SPECS): Define.
3834
3835 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3836
3837         * rtl.h: Remove the prototype for reg_alloc.
3838
3839 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3840
3841         PR target/25731
3842         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3843         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3844         sjlj and dwarf2 exception handling.
3845         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3846         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3847         * pa/pa.c (function_value): Treat complex and vector types as
3848         aggregates.
3849         (function_arg): Likewise.  Only pass scalar floats in the floating
3850         point argument registers.
3851         * pa/t-slibgcc-dwarf-ver: New file.
3852         * pa/t-slibgcc-sjlj-ver: New file.
3853         * pa/t-slibgcc-elf-ver: Delete file.
3854
3855 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3856
3857         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3858         unlikely_test_section_p test.
3859
3860 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3861
3862         * mode-switching.c (optimize_mode_switching): Make it static.
3863         * basic-block.h: Remove the prototype for
3864         optimize_mode_switching.
3865
3866         * modulo-sched.c (sms_schedule): Make it static.
3867         * rtl.h: Remove the prototype for sms_schedule.
3868
3869         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3870         * rtl.h: Remove the prototype for gcse_after_reload_main.
3871
3872         * reg-stack.c (reg_to_stack): Make it static.
3873         * rtl.h: Remove the prototype for reg_to_stack.
3874
3875         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3876         Make them static.
3877         * rtl.h: Remove the prototypes for regrename_optimize and
3878         copyprop_hardreg_forward.
3879
3880 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3881
3882         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3883         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3884         Test against the appropriate null constant for the mode.
3885         If 'fixup_overlap' is true, swap the operands if they overlap.
3886         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3887         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3888         alpha_split_tmode_pair and adjust for above change.
3889         * config/alpha/alpha.md (movtf_internal): Adjust call to
3890         alpha_split_tfmode_pair and rely on it to swap the operands.
3891         (movti_internal): New insn and post-reload splitter.
3892         (movti): New expander.
3893
3894 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3895
3896         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3897         operands.
3898
3899 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3900
3901         * rtlanal.c (global_reg_mentioned_p_1,
3902         global_reg_mentioned_p): Remove.
3903         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3904
3905         * flow.c (initialize_uninitialized_subregs): Make it static.
3906         * rtl.h: Remove the prototype for
3907         initialize_uninitialized_subregs.
3908
3909         * function.c (instantiate_virtual_regs): Make it static.
3910         * function.h: Remove the prototype for
3911         instantiate_virtual_regs.
3912
3913         * regmove.c (regmove_optimize, combine_stack_adjustments):
3914         Make them static.
3915         * rtl.h: Remove the prototypes for regmove_optimize and
3916         combine_stack_adjustments.
3917
3918 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3919
3920         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3921         (size_cost): Encode costs in bytes so that a reg-reg addition is
3922         equivalent to COSTS_N_INSNS(1).
3923         (override_options): Use the size_cost.branch_cost as the default
3924         ix86_branch_cost when optimizing for size.
3925
3926 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3927
3928         * Makefile.in (D32PBIT_FUNCS): New.
3929         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3930         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3931         D64PBIT_FUNCS and D128PBIT_FUNCS.
3932         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3933         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3934         D128PBIT are set.
3935         (decnumber_dep): Define.
3936         * doc/libgcc.texi (Decimal float library routines): New node.
3937         * config/dfp-bit.h, config/dfp-bit.c: New files.
3938
3939 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3940
3941         * expr.c (emit_move_change_mode): Always adjust addresses, not
3942         just during reload.  Copy replacements only during reload.
3943         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3944         emit_move_via_integer.
3945
3946 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3947
3948         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3949         instead of $(srcdir) and ${srcdir}.
3950
3951 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3952
3953         PR target/592
3954         PR middle-end/11135
3955         * arm.h (struct machine_function): Add pic_reg.
3956         * arm.c (arm_pic_register): Make unsigned.
3957         (arm_override_options): Only set arm_pic_register if
3958         TARGET_SINGLE_PIC_BASE.
3959         (use_return_insn): Only test for a pic register if it is fixed.
3960         (arm_compute_save_reg0_reg12_mask): Likewise.
3961         (thumb_compute_save_reg_mask): Likewise.
3962         (legitimate_pic_operand): Factor out some known invariants.
3963         (legitimize_pic_address): If we don't have a fixed pic register,
3964         then set up a pseudo in the function entry sequence.  Handle the
3965         pic base being in a pseudo.
3966         (arm_load_pic_register): Handle the pic register being in a pseudo.
3967         (arm_expand_prologue): Only set up the pic register if it is fixed.
3968         (thumb_expand_prologue): Likewise.
3969         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3970         (pic_load_addr_based_insn): Likewise.
3971         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3972         fixed.
3973
3974 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3975
3976         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3977         decimal float modes for all floating point registers.
3978
3979         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3980         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3981
3982 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3983
3984         PR c/25682
3985         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3986         even when the pointer is not NULL.
3987
3988 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3989
3990         * common.opt (ftoplevel-reorder): New option.
3991         * cgraph.c (cgraph_asm_nodes): New global variable.
3992         (cgraph_asm_last_node): New static variable.
3993         (cgraph_order): New global variable.
3994         (cgraph_create_node): Set new order field.
3995         (cgraph_varpool_node): Likewise.
3996         (decide_is_variable_needed): Return true if not
3997         flag_toplevel_reorder.
3998         (cgraph_add_asm_node): New function.
3999         * cgraph.h (struct cgraph_node): Add order field.
4000         (struct cgraph_varpool_node): Add order field.
4001         (struct cgraph_asm_node): Define.
4002         (cgraph_asm_nodes, cgraph_order): Declare.
4003         (cgraph_add_asm_node): Declare.
4004         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4005         function.
4006         (cgraph_varpool_assemble_pending_decls): Call it.
4007         (cgraph_output_pending_asms): New static function.
4008         (cgraph_finalize_compilation_unit): Call it.
4009         (struct cgraph_order_sort): Define.
4010         (cgraph_output_in_order): New static function.
4011         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
4012         !flag_toplevel_reorder case.
4013         * c-parser.c: Include "cgraph.h".
4014         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4015         assemble_asm.
4016         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4017         than -fno-unit-at-a-time.
4018         * doc/invoke.texi (Option Summary): Mention
4019         -fno-toplevel-reorder.
4020         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
4021         -funit-at-a-time documentation.
4022
4023 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
4024             Kazu Hirata  <kazu@codesourcery.com>
4025
4026         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4027
4028 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
4029
4030         * Makefile.in (FUNCTION_H): New.  Use it instead of
4031         function.h throughout the file.
4032         * function.h: Include tree.h.
4033
4034 2006-01-17  Ben Elliston  <bje@au.ibm.com>
4035
4036         * recog.c: Separate some functions with whitespace.
4037
4038 2006-01-16  Richard Henderson  <rth@redhat.com>
4039
4040         Merge from gomp branch:
4041         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
4042         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4043         and rename from struct inline_data.  Rename callee* to dst*;
4044         caller* to src*; add copy_decl hook, transform_call_graph_edges,
4045         transform_new_cfg, transform_return_to_modify, and
4046         transform_lang_insert_block flags; remove cloning_p, versioning_p,
4047         update_clones_p.
4048         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4049         (copy_decl_for_dup): Remove.
4050         * tree-inline.c (struct inline_data): Move to header.
4051         (insert_decl_map): Export.
4052         (remap_decl): Update for member name changes.  Use copy_decl hook.
4053         Allow for replacement to be a non-decl.  Remove dead code.
4054         (remap_type_1): Check for existing mapping.
4055         (remap_type): Export.
4056         (remap_decls): Update for member name changes.
4057         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4058         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4059         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4060         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4061         (tree_function_versioning, build_duplicate_type): Likewise.
4062         (copy_body_r): Likewise.  Export.
4063         (copy_decl_for_dup): Split into ...
4064         (copy_decl_for_dup_finish, copy_decl_to_var,
4065         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4066         (replace_ref_tree, inlining_p): Remove.
4067
4068 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
4069
4070         * ifcvt.c (if_convert): Make it static.
4071         * rtl.h: Remove the prototype for if_convert.
4072
4073         * local-alloc.c (local_alloc): Make it static.
4074         * rtl.h: Remove the prototype for local_alloc.
4075
4076         * loop.c (loop_optimize): Make it static.
4077         * cfgloop.h: Remove the prototype for loop_optimize.
4078         * rtl.h: Likewise.
4079
4080 2006-01-16  DJ Delorie  <dj@redhat.com>
4081
4082         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4083         mems.
4084
4085 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4086
4087         * pa.md: Disparage copies between general and floating-point registers
4088         in 32-bit move patterns.
4089
4090 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
4091
4092         PR testsuite/25741
4093         * Makefile.in (check-%): Depend on site.exp instead of
4094         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4095         directories.
4096
4097 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
4098
4099         * global.c (global_alloc): Make it static.
4100         * rtl.h: Remove the prototype for global_alloc.
4101
4102 2006-01-16  Richard Guenther  <rguenther@suse.de>
4103
4104         * tree-ssa-alias.c (struct used_part): Add write_only field.
4105         (get_or_create_used_part_for): Initialize it to true.
4106         (create_overlap_variables_for): Don't create structure variables
4107         for structures that only are written to.
4108         (find_used_portions): Handle MODIFY_EXPR to track whether a
4109         structure is only written to.
4110
4111 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
4112
4113         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4114         static.
4115         * basic-block.h: Remove the prototype for
4116         partition_hot_cold_basic_blocks.
4117
4118 2006-01-16  Rafael Ãvila de EspÃ�­ndola <rafael.espindola@gmail.com>
4119
4120         * cppspec.c (lang_specific_spec_functions): Remove.
4121         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4122         * gcc.h (lang_specific_spec_functions): Remove.
4123         * gccspec.c (lang_specific_spec_functions): Remove.
4124
4125 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
4126
4127         * combine.c (record_value_for_reg): Invalidate registers
4128         if INSN is null.
4129         (record_dead_and_set_regs_1): Likewise, by passing them to
4130         record_value_for_reg.
4131         (record_dead_and_set_regs): Invalidate stores made by a
4132         call.  We do not combine across a call, but we still
4133         relied on equivalences.
4134
4135 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4136
4137         * tree-vrp.c (extract_range_from_binary_expr): Cope with
4138         vrp_int_const_binop returning non-constant nodes.
4139
4140 2006-01-16  Paul Brook  <paul@codesourcery.com>
4141
4142         * config/m68k/m68k.c (output_move_const_into_data_reg):
4143         Output correct mnemonic for mvz and mvs.
4144
4145 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
4146
4147         * rtl-factoring.c: Add sequence abstraction algorithm.
4148         * cfgcleanup.c (outgoing_edges_match): Extra checks.
4149         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4150         ABNORMAL edges.
4151         (block_has_preserve_label): New function.
4152         * common.opt: Register new pass.
4153         * Makefile.in: Ditto.
4154         * passes.c: Ditto.
4155         * timevar.def: Ditto.
4156         * tree-pass.h: Ditto.
4157         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4158         * rtl.h (make_jump_insn_raw): Add forward decl.
4159         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4160
4161 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4162             Roger Sayle  <roger@eyesopen.com>
4163
4164         * fold-const.c (fold_minmax): New static function.
4165         (fold_binary) <MIN_EXPR>: Call it.
4166         <MAX_EXPR>: Likewise.
4167         * stor-layout.c (place_field): Use DECL_SIZE consistently
4168         in the computation of the new record size.
4169
4170 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
4171
4172         * cse.c (cse_condition_code_reg): Make it static.
4173         * rtl.h: Remove the prototype for cse_condition_code_reg.
4174
4175         * combine.c (combine_instructions): Make it static.
4176         * rtl.h: Remove the prototype for combine_instructions.
4177
4178 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4179
4180         PR target/25168
4181         * tree.c (get_file_function_name_long): Concatenate the first global
4182         object name with a string derived from the input filename of the object
4183         for type "F".
4184
4185 2006-01-16  Ben Elliston  <bje@au.ibm.com>
4186
4187         * config/i386/winnt-stubs.c: Update FSF address.
4188         * config/xtensa/ieee754-df.S: Ditto.
4189         * config/xtensa/ieee754-sf.S: Ditto.
4190
4191 2006-01-14  Ian Lance Taylor  <ian@airs.com>
4192
4193         * ifcvt.c (noce_init_if_info): New static function, broken out of
4194         noce_process_if_block.
4195         (noce_process_if_block): Call noce_init_if_info.
4196         (check_cond_move_block): New static function.
4197         (cond_move_process_if_block): New static function.
4198         (process_if_block): Call cond_move_process_if_block.
4199
4200 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
4201
4202         * cselib.c (hash_table): Rename to cselib_hash_table.
4203         (cselib_clear_table, discard_useless_values,
4204         remove_useless_values, cselib_lookup_mem, cselib_lookup,
4205         cselib_init, cselib_finish): Adjust uses of hash_table.
4206
4207 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
4208
4209         PR tree-optimization/25485
4210         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4211         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4212         is known to be false and true, respectively.
4213
4214 2006-01-14  Richard Guenther  <rguenther@suse.de>
4215
4216         PR tree-optimization/22548
4217         PR tree-optimization/22555
4218         PR tree-optimization/22501
4219         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4220         * params.def (salias-max-array-elements): New parameter.
4221         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4222         * doc/invoke.texi (salias-max-array-elements): Document.
4223         * tree-flow-inline.h (var_can_have_subvars): We also handle
4224         arrays now.
4225         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4226         COMPONENT_REF.
4227         * tree-ssa-structalias.c (params.h): Include.
4228         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4229         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4230         (get_constraint_for): For ADDR_EXPR operating on something
4231         containing an ARRAY_REF, add all subvars to the solution.
4232         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4233         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4234         for creating MUST_DEFs.
4235         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4236
4237 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4238
4239         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4240         functions.
4241         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4242         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4243         number_of_iterations_le): New functions.
4244         (number_of_iterations_special): Removed.
4245         (number_of_iterations_exit): Do not use number_of_iterations_special.
4246         * tree.c (unsigned_type_for): Always return integer type.
4247
4248 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
4249         Richard Guenther  <rguenther@suse.de>
4250
4251         PR rtl-optimization/24257
4252         * gcse.c (find_moveable_store): Only consider a store movable
4253         when the SET_SRC of the insn can be assigned to a register.
4254
4255 2006-01-14  Ian Lance Taylor  <ian@airs.com>
4256
4257         * tree.c (tree_not_class_check_failed): New function.
4258         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4259         (tree_not_class_check_failed): Declare.
4260
4261 2006-01-13  Ian Lance Taylor  <ian@airs.com>
4262
4263         * reload1.c (do_output_reload): Add assertion rejecting a
4264         CALL_INSN.
4265
4266 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
4267
4268         * combine.c (struct reg_stat): Add new fields truncation_label and
4269         truncated_to_mode.
4270         (record_value_for_reg): Reset truncated_to_mode.
4271         (record_truncated_value): New function.
4272         (check_promoted_subreg): Call it.  Rename to check_conversions.
4273         (combine_instructions): Rename check_promoted_subreg to
4274         check_conversions.
4275         (reg_truncated_to_mode): New function.
4276         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
4277         (gen_lowpart_or_truncate): New function.
4278         (force_to_mode): Use it instead of gen_lowpart.
4279
4280 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
4281
4282         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
4283         VAR is a tag, not its type tag.
4284
4285 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
4286
4287         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4288         alternatives to match style of other entries.
4289         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
4290
4291 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
4292
4293         PR tree-optimization/25771
4294         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4295         SSA_NAMES.
4296
4297 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
4298
4299         PR tree-opt/24365
4300         * tree-inline.c (declare_return_variable): If the return variable
4301         was marked as a non gimple complex, set the return slot variable
4302         to be a non gimple comple variable.
4303
4304 2006-01-13  Richard Guenther  <rguenther@suse.de>
4305
4306         * builtins.c (expand_builtin_sincos): New function.
4307         (expand_builtin_mathfn_3): Remove dead code, sin and cos
4308         do not set errno.
4309         (expand_builtin): Expand sincos using expand_builtin_sincos.
4310
4311 2006-01-12  DJ Delorie  <dj@redhat.com>
4312
4313         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4314         shift counts, separate SI shifts for m32c vs m16c, pass shift type
4315         so that constant shifts can be split.
4316         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4317         (m32c_valid_pointer_mode): Make static.
4318         (shift_gen_func_for): New.
4319         (m32c_prepare_shift): Use it.  Split large const shifts into
4320         multiple shifts.
4321         * config/m32c/predicates.md (shiftcount_operand): Allow more
4322         general operands.
4323         (longshiftcount_operand): New.
4324         * doc/md.texi (Machine Constraints): Document In6.
4325
4326 2006-01-13  Ben Elliston  <bje@au.ibm.com>
4327
4328         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4329         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4330         documentation.
4331
4332 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
4333
4334         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4335         to try to avoid clobbering pieces of structures when we know
4336         something about the whole structure.
4337         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4338
4339 2006-01-13  Ben Elliston  <bje@au.ibm.com>
4340
4341         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4342         return in memory, as this is no limitation is no longer present.
4343
4344 2006-01-12  DJ Delorie  <dj@redhat.com>
4345
4346         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4347         mova with fb, and for fb+0 -> An.
4348
4349         * config/m32c/mov.md (peephole2): Fix enabling logic.
4350
4351         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4352         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4353         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4354         FINI_ARRAY_SECTION_ASM_OP): Define.
4355
4356         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4357         variable.
4358         (m32c_legitimize_reload_address): New logic to reload FB to An.
4359         (m32c_output_reg_push): Add newline.
4360         (m32c_output_reg_pop): Likewise.
4361
4362 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
4363
4364         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4365
4366 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4367
4368         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4369
4370 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
4371
4372         * config/sh/predicates.md (sh_rep_vec): Add parallel to
4373         match_code.
4374
4375 2006-01-11  Ben Elliston  <bje@au.ibm.com>
4376
4377         * rtlanal.c (find_reg_note): Assert insn is not null.
4378
4379 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
4380
4381         * df-scan.c (df_hard_reg_init): Move declaration of i outside
4382         ifdef.
4383
4384 2006-01-11  Jeff Law  <law@redhat.com>
4385
4386         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4387         hold edge pairs.
4388         (mark_threaded_blocks, register_jump_thread): New functions.
4389         (thread_through_all_blocks): Remove unwanted argument.  No
4390         longer rely on e->aux to communicate thread target info.
4391         Call mark_threaded_blocks.  Release the threaded_blocks
4392         bitmap and threaded_edges vector when complete.
4393         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4394         (threaded_blocks): Remove.
4395         (tree_ssa_dominator_optimize): Remove initialization and
4396         finalization of threaded_blocks.  Simplify call to
4397         thread_through_all_blocks.
4398         (thread_across_edge): Call register_jump_thread rather than
4399         storing thread information into e->aux.
4400         (free_all_edge_infos): Simplify now that e->aux is no longer
4401         used to communicate with thread_through_all_blocks.
4402         * tree-flow.h (thread_through_all_blocks): Update prototype.
4403         (register_jump_thread): Prototype.
4404
4405 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
4406
4407         * df-core.c (df_compact_blocks, df_bb_replace): Use
4408         SET_BASIC_BLOCK instead of BASIC_BLOCK.
4409
4410 2006-01-11  Richard Guenther  <rguenther@suse.de>
4411
4412         PR tree-optimization/25734
4413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4414         stop propagation after successful propagation to the LHS.
4415
4416 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
4417
4418         * basic-block.h (control_flow_graph): Change the type of
4419         x_basic_block_info to VEC(basic_block,gc) *.
4420         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4421         basic_block_info.
4422         (SET_BASIC_BLOCK): New.
4423         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4424         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4425         * cfgbuild.c (find_basic_blocks): Likewise.
4426         * cfglayout.c (fixup_reorder_chain): Likewise.
4427         * cfgrtl.c (create_basic_block_structure,
4428         rtl_create_basic_block): Likewise.
4429         * ifcvt.c (find_if_case_1): Likewise.
4430         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4431         Likewise.
4432
4433 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
4434
4435         * Makefile.in: Removed rotted odf.c entry.
4436
4437 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
4438
4439         PR target/25706
4440         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4441         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4442         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4443         output pattern modifier, not %e.
4444         * config/cris/cris.c (cris_op_str): Update comment about pattern
4445         modifier.
4446         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4447         before falling through into...
4448         <case 'E'>: Redefined from old 'e' case.
4449
4450 2006-01-11  Jan Hubicka  <jh@suse.cz>
4451
4452         PR target/25042
4453         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4454
4455 2006-01-11  Jan Hubicka  <jh@suse.cz>
4456
4457         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4458         * i386.c (x86_decompose_lea): Kill.
4459         (ix86_rtx_costs): Kill.
4460
4461 2006-01-11  Jan Hubicka  <jh@suse.cz>
4462
4463         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4464         * cgraph.h (cgraph_node): Add inline_decl.
4465         (cgraph_insert_node_to_hashtable): Declare.
4466         (save_inline_function_body): Declare.
4467         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4468         clones.
4469         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4470         (cgraph_function_versioning): Update call of tree_function_versioning.
4471         (save_inline_function_body): New function.
4472         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4473         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4474         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4475         (cgraph_default_inline_p): Likewise.
4476         (cgraph_decide_inlining_incrementally): Likewise.
4477         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4478         (copy_bb): Kill saving; do updating of clones.
4479         (copy_cfg_body): Kill saving.
4480         (initialize_inlined-parameters): Likewise.
4481         (expand_call_inline): Likewise.
4482         (save_body): Kill.
4483         (tree_function_versioning): New parameter "update_clones".
4484         (inlining_p): Kill saving.
4485         * tree-inline.h (tree_function_versioning): Update prototype.
4486         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4487         saving.
4488
4489 2006-01-11  Ian Lance Taylor <ian@airs.com>
4490
4491         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
4492         Allow undoing set of machine mode.
4493         (do_SUBST): Use enums instead of is_int.
4494         (do_SUBST_MODE): New function.
4495         (SUBST_MODE): New macro.
4496         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4497         reg and trying to replace reg_regno_rtx with a new register.
4498         (undo_all): Use new enums, handle undoing a PUT_MODE change.
4499         (simplify_set): Use SUBST_MODE.
4500         (distribute_notes): Remove code that tried to update reg notes
4501         for regno_reg_rtx changes.
4502
4503 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
4504
4505         PR tree-optimization/23109
4506         PR tree-optimization/23948
4507         PR tree-optimization/24123
4508
4509         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4510         * tree-cfg.c (single_noncomplex_succ): New.
4511         * tree-flow.h (single_noncomplex_succ): Declare it.
4512         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4513         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4514         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4515         insert_bb, register_division_in, insert_reciprocals,
4516         replace_reciprocal, free_bb): New.
4517         (execute_cse_reciprocals_1): Rewritten.
4518         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4519         Do not commit any edge insertion.  Always compute dominators and
4520         create the allocation pool.
4521         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4522         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4523         * targhooks.c (default_min_divistions_for_recip_mul): New.
4524         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4525         * passes.c (init_optimization_passes): Run recip after tree loop
4526         optimizations.
4527         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4528
4529 2006-01-11  Danny Berlin <dberlin@dberlin.org>
4530             Kenneth Zadeck <zadeck@naturalbridge.com>
4531
4532         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4533         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4534         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4535         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4536         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4537         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4538         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4539         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4540         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4541         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4542         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4543         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4544         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4545         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4546         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4547         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4548         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4549         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4550         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4551         DF_SCAN_POST_ALLOC): New macros.
4552         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4553         df_free_bb_function, df_local_compute_function, df_init_function,
4554         df_dataflow_function, df_confluence_function_0,
4555         df_confluence_function_n, df_transfer_function,
4556         df_finalizer_function, df_free_function, df_dump_problem_function,
4557         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4558         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4559         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4560         df_urec_bb_info, ) New types.
4561         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4562         variables.
4563         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4564         df_analyze_simple_change_some_blocks,
4565         df_analyze_simple_change_one_block, df_compact_blocks,
4566         df_bb_replace, df_bb_regno_last_use_find,
4567         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4568         df_insn_regno_def_p, df_find_def, df_find_use,
4569         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4570         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4571         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4572         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4573         debug_df_chain, df_get_dependent_problem, df_chain_create,
4574         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4575         df_grow_bb_info, df_chain_dump, df_print_bb_index,
4576         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4577         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4578         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4579         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4580         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4581         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4582         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4583         df_ref_remove, df_insn_refs_delete, df_refs_delete,
4584         df_reorganize_refs, df_set_state, df_hard_reg_init,
4585         df_read_modify_subreg_p) New public functions.
4586         * df-core.c: The core dataflow solver and glue routines for rtl
4587         dataflow.
4588         (df_init, df_add_problem, df_set_blocks, df_finish,
4589         df_hybrid_search_forward, df_hybrid_search_backward,
4590         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4591         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4592         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4593         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4594         df_reg_defined, df_find_use, df_reg_used, df_dump,
4595         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4596         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4597         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4598         debug_df_useno, reset_df_after_reload): New functions.
4599         * df-scan.c: The scanning fuctions, once in df.c, completely
4600         rewritten so that they now fully model the functionality of
4601         register usage at the backend.
4602         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4603         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4604         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4605         df_grow_insn_info, df_rescan_blocks, df_ref_create,
4606         df_get_artificial_defs, df_get_artificial_uses,
4607         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4608         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4609         df_refs_delete, df_reorganize_refs, df_set_state,
4610         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4611         df_def_record_1, df_defs_record, df_uses_record,
4612         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4613         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4614         df_record_exit_block_uses, df_hard_reg_init): New functions.
4615
4616         * df-problems.c: Seven concrete dataflow problems that use the
4617         scanning in df-scan.c and are solved by the engine in df-core.c.
4618         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4619         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4620         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4621         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4622         df_ru_free_bb_info, df_ru_alloc,
4623         df_ru_bb_local_compute_process_def,
4624         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4625         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4626         df_ru_transfer_function, df_ru_free, df_ru_dump,
4627         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4628         df_rd_free_bb_info, df_rd_alloc,
4629         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4630         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4631         df_rd_transfer_function, df_rd_free, df_rd_dump,
4632         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4633         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4634         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4635         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4636         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4637         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4638         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4639         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4640         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4641         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4642         df_urec_mark_reg_change, df_urec_check_earlyclobber,
4643         df_urec_mark_reg_use_for_earlyclobber,
4644         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4645         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4646         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4647         df_urec_dump, df_urec_add_problem, df_chain_alloc,
4648         df_chain_create_bb_process_use, df_chain_create_bb,
4649         df_chain_finalize, df_chain_free, df_chains_dump,
4650         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4651         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4652         df_reg_lifetime): New functions.
4653         * df.c: Deleted file.
4654         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4655         consistent with new df api.
4656         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4657         rest_of_handle_sms): Ditto.
4658         * web.c (unionfind_union, union_defs, entry_register, web_main):
4659         Ditto.
4660         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4661         invariant_expr_equal_p, find_defs, check_dependencies,
4662         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4663         free_inv_motion_data, move_loop_invariants): Ditto.
4664         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4665         Update dependencies.
4666         (odf.c): Added defective entry that was deleted later in day.
4667         * sched-deps.c (sched_analyze_1): Ditto.
4668
4669 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4670
4671         * tree-ssa-operands.c (get_expr_operands): Record addressable
4672         variables directly.  Do not call add_stmt_operands for CONST_DECLs
4673         and ARRAY_DECLs.
4674         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4675         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4676
4677 2006-01-11  Ben Elliston  <bje@au.ibm.com>
4678
4679         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4680         function returns true in the positive case.
4681
4682 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4683
4684         PR target/20754
4685         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4686         for SI, DI, SF and DF modes.  Add alternatives to copy between
4687         general and floating point registers to the 32-bit patterns.
4688         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4689         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4690         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4691         generating 64-bit code.
4692         * config/pa/pa.c (output_move_double): Handle copies between general
4693         and floating registers.
4694
4695 2006-01-10  Stuart Hastings  <stuart@apple.com>
4696
4697         * config/i386/i386.md (set_got): Update.
4698         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
4699         (builtin_setjmp_receiver): Mach-O support.
4700         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4701         (GOT_SYMBOL_NAME): Define.
4702         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4703         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4704         * config/i386/i386.c (override_options): Revise for Darwin.
4705         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
4706         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
4707         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
4708         * config/i386/i386-protos.h (output_set_got): Likewise.
4709         * config/darwin.c (machopic_legitimize_pic_address): Update
4710         regs_ever_live[].
4711
4712 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4713
4714         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4715         when MODE isn't BLKmode.
4716
4717 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4718
4719         PR rtl-optimization/25367
4720         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4721
4722 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
4723
4724         PR target/25718
4725         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4726         for a negative bound.
4727
4728 2006-01-10  Richard Guenther  <rguenther@suse.de>
4729
4730         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4731         Never override with anything constraint.
4732
4733 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4734
4735         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4736         256 bits when optimize_size.
4737
4738 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4739
4740         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4741         MASK_ALIGN_DOUBLE.
4742         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4743         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4744         arguments.
4745
4746 2006-01-10  Ben Elliston  <bje@au.ibm.com>
4747
4748         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4749         float modes.
4750         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4751         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4752         (USE_FP_FOR_ARG): Reject decimal float modes.
4753         (function_arg_advance): Likewise.
4754         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4755         (rs6000_handle_altivec_attribute): Do not permit decimal floating
4756         point types in AltiVec vectors.
4757         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4758         (rs6000_libcall_value): Likewise.
4759
4760 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
4761
4762         * config/xtensa/ieee754-df.S: New file.
4763         * config/xtensa/ieee754-sf.S: New file.
4764         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4765         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4766         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4767
4768 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
4769
4770         * config/sh/predicates.md (binary_float_operator,
4771         binary_logical_operator, commutative_float_operator,
4772         equality_comparison_operator, greater_comparison_operator,
4773         less_comparison_operator, logical_operator,
4774         noncommutative_float_operator, shift_operator,
4775         symbol_ref_operand, unary_float_operator): Remove redundant
4776         conditionals.
4777
4778 2006-01-09  Jeff Law  <law@redhat.com>
4779
4780         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4781         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
4782         now unused arguments.  Callers updated.
4783         (eliminate_redundant_computations): Remove now unused arguments,
4784         callers updated.
4785         (local_fold): Remove, no longer used.
4786         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4787         and moved to...
4788         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4789         (simplify_cond): New function.
4790         (forward_propagate_into_cond): Call simplify_cond.
4791
4792 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
4793
4794         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4795         (*vec_extractv2di_1_sse): New.
4796
4797 2006-01-09  Ben Elliston  <bje@au.ibm.com>
4798
4799         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4800
4801 2006-01-08  Richard Guenther  <rguenther@suse.de>
4802
4803         * tree-ssa-structalias.c (get_constraint_for): Remove
4804         anyoffset argument.
4805         (get_constraint_for_component_ref): Likewise.
4806         (do_deref): Likewise.
4807         (get_constraint_for): Likewise.
4808         (do_structure_copy): Likewise.
4809         (handle_ptr_arith): Likewise.
4810         (find_func_aliases): Likewise.  Remove unused need_anyoffset
4811         variable.
4812
4813 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
4814             Kaz Kojima  <kkojima@gcc.gnu.org>
4815
4816         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4817         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4818         (EXTRA_CONSTRAINT_C16): Remove.
4819         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4820         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4821         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4822         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4823         constants of SHmedia.  Handle nested constant expressions of
4824         SHmedia correctly.
4825         (andcosts): Fix the costs for SHmedia constants.
4826         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4827         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4828         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4829         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4830         (movv4hi_i, movv2si_i): Likewise.
4831         (movsi_const): Adjust the second operand of ior so to match with
4832         the Csu constraint.
4833         (movdi_const, movdi_const_32bit): Likewise.
4834         (movdi_const_16bit+1): Don't sign-extend LOW.
4835         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
4836         step.
4837         (*double_shori): Fix the split condition.  Use GEN_INT instead
4838         of get_int_mode calls.  Mask lower 16-bit of the argument of
4839         the last GEN_INT.
4840         (sym2GOTPLT): Remove.
4841         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4842         gen_rtx_UNSPEC.
4843         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4844         instead of EXTRA_CONSTRAINT_C16.
4845
4846 2006-01-07  Ian Lance Taylor  <ian@airs.com>
4847             David Edelsohn  <edelsohn@gnu.org>
4848
4849         PR rtl-optimization/25662
4850         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4851         for constant operands instead of simplify_gen_binary.
4852         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4853         after trying simplify_binary_operation
4854
4855 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
4856
4857         * tree.c (iterative_hash_expr): Hash decls based on UID.
4858
4859 2006-01-06  Eric Christopher  <echristo@apple.com>
4860
4861         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4862         (TARGET_UNWIND_EMIT): Fix spelling.
4863         * target.h (gcc_target): Add except_table_label.
4864         * except.c (output_function_exception_table): Use.
4865         * varasm.c (default_emit_except_table_label): New.
4866         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4867         define.
4868         (asm_out): Add here.
4869         * output.h (default_emit_except_table_label): Prototype.
4870         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4871         * config/darwin.c (darwin_emit_except_table_label): Define.
4872         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4873
4874 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
4875
4876         PR tree-optimization/18527
4877         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4878         number_of_iterations_special, number_of_iterations_exit):
4879         Move base and step of an iv to a single structure.  Add
4880         no_overflow flag, and use it in # of iterations analysis.
4881         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4882         folded_casts argument.
4883         (simple_iv): Pass base and step in a structure.  Set no_overflow
4884         flag.
4885         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4886         Evaluate expensiveness of computing # of iterations instead of
4887         the final expression.
4888         * tree-scalar-evolution.h (affine_iv): New structure.
4889         (simple_iv): Declaration changed.
4890         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4891         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4892         find_givs_in_stmt): Changed due to simple_iv change.
4893
4894 2006-01-06  Jeff Law  <law@redhat.com>
4895
4896         PR ada/24994
4897         * tree-cfg.c (bsi_replace): Rename final argument from
4898         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
4899         change (stmt -> orig_stmt).
4900         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4901         (bsi_remove): Add new argument.  Remove EH information
4902         if requested.
4903         (verify_eh_throw_table_statements): New function.
4904         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4905         updated.
4906         * tree-optimize.c (execute_free_cfg_annotations): Verify
4907         the EH throw statement table after removing annotations.
4908         * except.h (verify_eh_throw_table_statements): Prototype.
4909         * tree-flow.h (bsi_remove): Update prototype.
4910         * tree-vrp.c (remove_range_assertions): Add new argument to
4911         bsi_remove call.
4912         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4913         * tree-complex.c (expand_complex_div_wide): Likewise.
4914         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4915         * tree-tailcall.c (eliminate_tailcall): Likewise.
4916         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4917         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4918         * tree-nrv.c (tree_nrv): Likewise.
4919         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4920         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4921         (combine_blocks): Likewise.
4922         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4923         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4924         (cleanup_control_flow): Likewise.
4925         (remove_forwarder_block): Likewise.
4926         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4927         * tree-sra.c (sra_replace): Likewise.
4928         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4929         (forward_propagate_single_use_vars): Likewise.
4930         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4931         * tree-inline.c (expand_call_inline): Likewise.
4932         * tree-vect-transform.c (vect_transform_loop): Likewise.
4933         * tree-outof-ssa.c (rewrite_trees): Likewise.
4934         * tree-cfg.c (make_goto_expr_edges): Likewise.
4935         (cleanup_dead_labels): Likewise.
4936         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4937         (bsi_move_before, bsi_move_after): Likewise.
4938         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4939         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4940
4941 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4942
4943         PR tree-opt/25528
4944         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4945         and IMAGPART_EXPR.
4946         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4947         on non gimple variables.  Also add checks at the top for decls and
4948         mtags.
4949         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4950         complex types.
4951         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4952         and IMAGPART_EXPR for creating MUST_DEFs.
4953         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4954         and NAME_MEMORY_TAG separately from the DECLs.
4955
4956 2006-01-06  Richard Guenther  <rguenther@suse.de>
4957
4958         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4959         annotation, if necessary.
4960         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4961         redundant calls to update_stmt.
4962         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4963         Likewise.
4964
4965 2006-01-05  Richard Henderson  <rth@redhat.com>
4966
4967         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4968
4969 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4970
4971         * c-typeck.c: Update copyright date.
4972
4973 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4974
4975         * c-typeck.c (build_c_cast): Always warn when casting
4976         from a pointer to an integer of different size, even if
4977         the node was constant.
4978
4979 2006-01-05  Richard Guenther  <rguenther@suse.de>
4980
4981         PR tree-optimization/22555
4982         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4983         if one structure field is an array.
4984         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4985         operands even if we found a subvar, but ignore VOPs in this
4986         case.
4987         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4988         for renaming.
4989         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4990
4991 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4992
4993         PR middle-end/24998
4994         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4995
4996 2006-01-05  Richard Guenther  <rguenther@suse.de>
4997             Diego Novillo  <dnovillo@redhat.com>
4998
4999         * tree-pass.h (TODO_remove_unused_locals): Define.
5000         * gimple-low.c (expand_var_p, remove_useless_vars,
5001         pass_remove_useless_vars): Remove.  Update all users.
5002         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5003         (remove_unused_locals): New function.
5004         * tree-flow.h (remove_unused_locals): Declare.
5005         * passes.c (execute_todo): Call remove_unused_locals if
5006         TODO_remove_unused_locals is set.
5007         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5008         * tree-ssa-dce.c (pass_dce): Likewise.
5009         * tree-outof-ssa.c (pass_del_ssa): Likewise.
5010
5011 2006-01-05  Richard Guenther  <rguenther@suse.de>
5012
5013         * tree-flow.h (struct fieldoff): Decompose field to
5014         type, size and decl.
5015         * tree-ssa-alias.c (create_sft): Take type as parameter.
5016         (create_overlap_variables_for): Store type, size and decl
5017         in the fieldoff structure.
5018         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5019         of struct fieldoff.
5020         (push_fields_onto_fieldstack): Likewise.
5021         (create_variable_info_for): Likewise.  Use offset for the
5022         SFT name if the decl is not available.
5023
5024 2006-01-04  Paul Brook  <paul@codesourcery.com>
5025
5026         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5027
5028 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
5029
5030         * lambda-code.c (can_put_in_inner_loop): Relax
5031         restrictions.
5032         (can_put_after_inner_loop): New function.
5033         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5034         (perfect_nestify): Change to make copies and modify uses.
5035
5036 2006-01-04  Richard Henderson  <rth@redhat.com>
5037
5038         Merge from gomp branch:
5039         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5040         via integer constant.
5041         (pragma_lex): Remove.
5042         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5043         rather than parsing it.
5044         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5045         handle_pragma_extern_prefix): Add %< %> quotes.
5046         (registered_pragmas): New.
5047         (c_register_pragma_1): New.
5048         (c_register_pragma): Use it.
5049         (c_register_pragma_with_expansion): Likewise.
5050         (c_invoke_pragma_handler): New.
5051         (init_pragma): Use cpp_register_deferred_pragma directly for
5052         pch_preprocess.
5053         * c-pragma.h (enum pragma_kind): New.
5054         (pragma_handler): New.
5055         (c_invoke_pragma_handler): Declare.
5056         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5057         CPP_PRAGMA_EOL.
5058         * c-common.h (c_common_pch_pragma): Update decl.
5059         * Makefile.in (c-parser.o): Update dependencies.
5060         (GTFILES): Add c-pragma.h.
5061         * c-parser.c (struct c_token): Add pragma_kind.
5062         (struct c_parser): Add in_pragma.
5063         (c_lex_one_token): Always initialize keyword and pragma_kind.
5064         Extract data for CPP_PRAGMA.
5065         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5066         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5067         Don't allow CPP_PRAGMA_EOL if in_pragma.
5068         (c_parser_consume_pragma): New.
5069         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5070         (c_parser_skip_to_end_of_parameter): Likewise.
5071         (c_parser_skip_to_end_of_block_or_statement): Likewise.
5072         (c_parser_skip_to_pragma_eol): New.
5073         (c_parser_external_declaration): Handle CPP_PRAGMA.
5074         (c_parser_compound_statement_nostart): Likewise.
5075         (c_parser_statement_after_labels): Likewise.
5076         (c_parser_pragma): New.
5077         (pragma_lex): Likewise.
5078         (c_parser_pragma_pch_preprocess): New.
5079         (c_parser_new): Merge into ...
5080         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
5081
5082 2006-01-04  Jeff Law  <law@redhat.com>
5083
5084         PR ada/24994
5085         * tree-cfg.c (bsi_replace): Remove the original statement
5086         from the EH throw statement table.
5087
5088 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
5089
5090         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5091         make the prototype extern "C" and add throw ().
5092
5093         PR target/25554
5094         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5095         and pos non-negative and pos + len <= 32.
5096         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5097         drop pos + len < HOST_BITS_PER_WIDE_INT test.
5098         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5099
5100         PR c/25559
5101         * c-common.c (handle_vector_size_attribute): Reject zero vector size
5102         as well as sizes not multiple of component size.
5103
5104         PR debug/25562
5105         * function.c (instantiate_expr): New function.
5106         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5107         walk its DECL_VALUE_EXPR with instantiate_expr.
5108
5109         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5110         DW_OP_deref{,_size} if address isn't going to be added.
5111
5112 2006-01-04  Ben Elliston  <bje@au.ibm.com>
5113
5114         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5115         * config/fp-bit.c: Likewise.
5116
5117 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
5118
5119         * dominance.c: Add comment about why we use DFS numbering
5120         of dominance tree.
5121
5122 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
5123             Richard Henderson  <rth@redhat.com>
5124
5125         Merge from gomp-branch:
5126         * varasm.c (assemble_variable): Handle thread-local COMMON data.
5127         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5128
5129 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
5130
5131         PR rtl-optimization/25578
5132         * combine.c (combine_simplify_rtx, force_to_mode): Don't
5133         pass a parameter to simplify_shift_const if changing ASHIFTRT
5134         to LSHIFTRT.
5135
5136 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
5137
5138         * builtins.c (get_builtin_sync_mem): New function.
5139         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5140         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5141         Call get_builtin_sync_mem to generate mem rtx.
5142
5143 2006-01-03  Richard Guenther  <rguenther@suse.de>
5144
5145         PR c/25183
5146         * stmt.c (add_case_node): Make sure to clear overflow flags
5147         from ranges.
5148
5149 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
5150
5151         Merge from gomp-branch.
5152         * config/sparc/sync.md: New file.
5153         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5154         UNSPECV_LDSTUB): New constants.
5155         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5156         * config/sparc/predicates.md (memory_reg_operand): New predicate.
5157         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5158         prototype.
5159
5160 2006-01-03  Roger Sayle  <roger@eyesopen.com>
5161
5162         * combine.c (reg_subword_p): New predicate to test whether the
5163         destination of a set refers to a subword/piece of a register.
5164         (try_combine): Generalize the code to merge the setting of a
5165         pseudo to a constant followed by a set of a subword of that
5166         register to a constant.
5167
5168 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
5169
5170         * basic-block.h (control_flow_graph): Change the type of
5171         x_label_to_block_map to VEC(basic_block,gc) *.
5172         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5173         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5174
5175         * tree-ssa-propagate.c (cfg_blocks): Change the type to
5176         VEC(basic_block,heap) *.
5177         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5178         ssa_prop_fini): Adjust the uses of cfg_blocks.
5179
5180 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
5181
5182         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5183         COMPONENT_REFs.
5184         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5185         hashing trees instead of a pointer hash.
5186         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5187         compare for MEM_EXPR.
5188
5189         PR rtl-optimization/25130
5190         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5191         when comparing MEMs for GCSE
5192
5193 2006-01-03  Ben Elliston  <bje@au.ibm.com>
5194
5195         * targhooks.h (default_decimal_float_supported_p): Declare.
5196         * targhooks.c (default_decimal_float_supported_p): Define.
5197         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5198         `default_decimal_float_supported_p'.
5199         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5200
5201 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
5202
5203         * combine.c (apply_distributive_law <SUBREG>): Check
5204         TRULY_NOOP_TRUNCATION.
5205
5206 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
5207
5208         * dwarf2out.c (have_switched_text_section): Delete.
5209         (have_multiple_function_sections): New.
5210         (have_location_lists): Make 'bool'.
5211         (add_AT_loc_list): Use 'true' not '1'.
5212         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5213         (output_loc_list): Use have_multiple_function_sections.
5214         (output_ranges): Likewise.
5215         (dwarf2out_begin_function): Set have_multiple_function_sections if
5216         necessary.
5217         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5218         Check function_section rather than DECL_SECTION_NAME.
5219         (dwarf2out_finish): Use have_multiple_function_sections.
5220         Don't clear have_location_lists.
5221
5222 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
5223             Jan Hubicka  <jh@suse.cz>
5224
5225         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5226         case of conditional jump jumping to the next instruction.
5227         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5228         cases of conditional jump jumping to the next instruction.
5229
5230 2006-01-02  Jan Hubicka  <jh@suse.cz>
5231
5232         * i386.c (*_cost): Add COSTS_N_INSNS.
5233         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5234
5235 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
5236
5237         PR target/25259
5238         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5239
5240 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5241
5242         * config/arm/arm.c (all_fpus): Fix comment typo.
5243         * config/darwin.c: Likewise.
5244         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5245         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5246         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5247
5248 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
5249
5250         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5251         (rs6000_split_compare_and_swapqhi): New.
5252         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5253         (sync_compare_and_swapqhi_internal): New.
5254         * config/rs6000/rs6000-protos.h: Declare.