| blob | ce30e37a46c2fef59b53489268672f1b83f731a8 |
1 2005-02-18 David Edelsohn <edelsohn@gnu.org>
3 PR target/26350
4 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5 MEM for ABI_V4 pic.
7 2005-02-18 Richard Sandiford <richard@codesourcery.com>
9 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11 (copy_insn_1): Likewise. Don't copy each field individually.
12 Reindent.
13 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14 of RTX_SIZE.
15 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16 * rtl.c (rtx_size): Rename variable to...
17 (rtx_code_size): ...this.
18 (rtx_size): New function.
19 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
20 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
21 Reindent.
22 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
23 * rtl.h (rtx_code_size): New variable.
24 (rtx_size): Change from a variable to a function.
25 (RTX_SIZE): Rename to...
26 (RTX_CODE_SIZE): ...this.
28 PR target/9703
29 PR tree-optimization/17106
30 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
31 (Anchored Addresses): New section.
32 * doc/invoke.texi (-fsection-anchors): Document.
33 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
34 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
35 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
36 * hooks.c (hook_bool_mode_rtx_false): New function.
37 * hooks.h (hook_bool_mode_rtx_false): Declare.
38 * gengtype.c (create_optional_field): New function.
39 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
40 SYMBOL_REF_IN_BLOCK_P is true.
41 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
42 (min_anchor_offset, max_anchor_offset): Likewise.
43 (use_anchors_for_symbol_p): New hook.
44 * toplev.c (compile_file): Call output_object_blocks.
45 (target_supports_section_anchors_p): New function.
46 (process_options): Check that -fsection-anchors is only used on
47 targets that support it and when -funit-at-a-time is in effect.
48 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
49 if the decl doesn't have one.
50 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
51 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
52 of force_const_mem through use_anchored_address.
53 (expand_expr_constant): New function.
54 (expand_expr_addr_expr_1): Call it. Use the same modifier when
55 calling expand_expr for INDIRECT_REF.
56 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
57 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
58 * expr.h (use_anchored_address): Declare.
59 * loop-unroll.c: Don't declare rtx vectors here.
60 * explow.c: Include output.h.
61 (validize_mem): Call use_anchored_address.
62 (use_anchored_address): New function.
63 * common.opt (-fsection-anchors): New switch.
64 * varasm.c (object_block_htab, anchor_labelno): New variables.
65 (hash_section, object_block_entry_eq, object_block_entry_hash)
66 (use_object_blocks_p, get_block_for_section, create_block_symbol)
67 (use_blocks_for_decl_p, change_symbol_section): New functions.
68 (get_variable_section): New function, split out from assemble_variable.
69 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
70 use_blocks_for_decl_p say so. Use change_symbol_section if the
71 symbol has already been created.
72 (assemble_variable_contents): New function, split out from...
73 (assemble_variable): ...here. Don't output any code for
74 block symbols; just pass them to place_block_symbol.
75 Use get_variable_section and assemble_variable_contents.
76 (get_constant_alignment, get_constant_section, get_constant_size): New
77 functions, split from output_constant_def_contents.
78 (build_constant_desc): Create a block symbol if use_object_blocks_p
79 says so. Or into SYMBOL_REF_FLAGS.
80 (assemble_constant_contents): New function, split from...
81 (output_constant_def_contents): ...here. Don't output any code
82 for block symbols; just pass them to place_section_symbol.
83 Use get_constant_section and get_constant_alignment.
84 (force_const_mem): Create a block symbol if use_object_blocks_p and
85 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
86 (output_constant_pool_1): Add an explicit alignment argument.
87 Don't switch sections here.
88 (output_constant_pool): Adjust call to output_constant_pool_1.
89 Switch sections here instead. Don't output anything for block symbols;
90 just pass them to place_block_symbol.
91 (init_varasm_once): Initialize object_block_htab.
92 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
93 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
94 (place_block_symbol, get_section_anchor, output_object_block)
95 (output_object_block_htab, output_object_blocks): New functions.
96 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
97 (TARGET_ASM_OUT): Include it.
98 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
99 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
100 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
101 (TARGET_INITIALIZER): Include them.
102 * rtl.c (rtl_check_failed_block_symbol): New function.
103 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
104 (block_symbol, object_block): New structures.
105 (rtx_def): Add a block_symbol field to the union.
106 (BLOCK_SYMBOL_CHECK): New macro.
107 (rtl_check_failed_block_symbol): Declare.
108 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
109 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
110 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
111 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
112 * output.h (output_section_symbols): Declare.
113 (object_block): Name structure.
114 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
115 (default_use_anchors_for_symbol_p): Declare.
116 * Makefile.in (RTL_BASE_H): Add vec.h.
117 (explow.o): Depend on output.h.
118 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
119 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
120 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
121 (rs6000_use_blocks_for_constant_p): New function.
123 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
125 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
127 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
129 PR tree-opt/25680
130 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
131 IMAGPART_EXPR.
133 2006-02-18 Diego Novillo <dnovillo@redhat.com>
135 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
136 is_aliased.
137 Update all users.
139 2006-02-18 Jakub Jelinek <jakub@redhat.com>
141 PR middle-end/26334
142 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
143 instead of DECL_REGISTER.
145 2006-02-18 Olivier Hainque <hainque@adacore.com>
147 PR ada/13408
148 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
150 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
152 PR target/24837
153 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
154 * opth-gen.awk: Handle Var and InverseMask together.
155 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
156 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
157 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
158 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
159 used together.
160 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
161 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
162 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
163 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
164 LINUX_DYNAMIC_LINKER): Define.
165 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
166 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
167 TARGET_GLIBC.
168 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
169 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
170 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
172 (TARGET_C99_FUNCTIONS): Don't define.
173 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
174 GLIBC_DYNAMIC_LINKER.
175 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
176 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
177 GLIBC_DYNAMIC_LINKER64): Define.
178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
179 LINUX_DYNAMIC_LINKER64.
180 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
182 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
184 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
186 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
187 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
188 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
190 and LINUX_DYNAMIC_LINKER32.
191 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
193 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
195 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
196 TARGET_GLIBC.
197 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
198 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
199 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
200 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
201 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
202 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
203 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
204 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
205 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
206 LINUX_DYNAMIC_LINKER): Define.
207 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
208 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
209 GLIBC_DYNAMIC_LINKER64): Define.
210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
211 LINUX_DYNAMIC_LINKER64.
212 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
213 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
214 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
215 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
216 LINUX_DYNAMIC_LINKER): Define.
217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
218 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
219 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
220 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
221 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
222 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
223 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
224 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
225 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
226 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
228 * doc/invoke.texi (-muclibc): Remove caveat about supported
229 targets.
231 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
233 * doc/cpp.texi (__TIMESTAMP__): Document.
235 2006-02-17 Roger Sayle <roger@eyesopen.com>
237 PR middle-end/25600
238 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
239 C is one less than the width of X (and related transformations).
240 * simplify_rtx.c (simplify_unary_operation_1): Transform
241 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
242 depending on STORE_FLAG_VALUE, were C is one less then the
243 width of X.
245 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
247 Fix PR tree-optimization/26341
248 * tree-ssa-operands.c (add_virtual_operand): Remove assert
249 about NAME_MEMORY_TAG's.
251 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
253 PR target/26255
254 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
255 with hardware float support, and software float support. Add fcpy
256 alternative to hardware patterns. Add alternatives to copy between
257 general and floating-point registers to the 32-bit pattern.
258 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
259 secondary reload to load a QI or HI mode constant into a floating
260 point register.
261 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
262 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
264 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
266 PR target/26272
267 * config/rs6000/darwin.md (load_macho_picbase_si): Add
268 pc to the pattern.
269 (load_macho_picbase_di): Likewise.
271 2006-02-16 Jeff Law <law@redhat.com>
273 * tree-vrp.c (set_value_range_to_nonnegative): New function.
274 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
275 (ssa_name_nonzero_p): Likewise.
276 (get_value_range): Return NULL if VRP is not running.
277 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
278 VRP routines do not discover a range.
279 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
280 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
281 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
282 (tree_expr_nonnegative_p): Similarly.
283 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
284 (restore_nonzero_vars_to_original_value): Remove.
285 (unsafe_associative_fp_binop): Remove.
286 (tree_ssa_dominator_optimize): Remove initialization and
287 finalization of nonzero_vars and nonzero_vars_stack.
288 (dom_opt_initialize_block): No longer push marker on
289 nonzero_vars_stack.
290 (dom_opt_finalize_block): No longer call
291 restore_nonzero_vars_to_original_value.
292 (record_equivalences_from_phis): No longer look for
293 nonzero PHI arguments.
294 (cprop_into_successor_phis): No longer propagate nonzero
295 property into PHI arguments. Lose unused argument. Caller
296 updated.
297 (record_equivalences_from_stmt): No longer record nonzero
298 values for SSA_NAMEs.
299 (lookup_avail_expr): No longer use nonzero_vars.
301 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
302 for sizetype when sizetype is unsigned.
304 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
306 PR rtl-optimization/25603
307 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
308 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
309 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
310 with new meaning of SETS.
312 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
314 PR target/20353
315 PR target/24578
316 PR target/24837
317 * config/linux.opt: New file.
318 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
319 LINUX_DYNAMIC_LINKER): Define.
320 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
321 * config.gcc (*-*-linux*): Define extra_options.
322 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
323 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
324 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
325 GLIBC_DYNAMIC_LINKER.
326 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
327 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
328 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
330 * doc/invoke.texi (GNU/Linux Options): New section.
332 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
334 * config/sparc/sparc.md (setjmp): Rewrite.
335 (setjmp_32): Delete.
336 (setjmp_64): Likewise.
338 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
340 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
341 previous change.
343 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
345 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
346 read-write uses.
348 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
350 PR rtl-optimization/26296
351 * Makefile.in (loop-invariant.c): Add except.h dependency.
352 * loop-invariant.c: Include except.h.
353 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
355 2005-02-16 Paul Brook <paul@codesourcery.com>
357 * reload1.c (emit_reload_insns): Invalidate dead input registers used
358 for reloads.
360 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
362 PR rtl-optimization/25636
363 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
364 when deciding whether an insn is an initializing insn.
366 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
368 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
369 (tree_code_size): Ditto.
370 * tree.h (struct tree_memory_tag): Remove parent_var.
371 (struct tree_struct_field_tag): New.
372 (SFT_OFFSET): New.
373 (SFT_SIZE): New.
374 (union tree_node): Add sft member.
375 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
376 specially here.
377 (create_sft): Add size and offset argument, set SFT_OFFSET and
378 SFT_SIZE.
379 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
380 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
381 * tree-flow-inline.h (get_subvar_at): Update for
382 SFT_OFFSET/SFT_SIZE.
383 (var_can_have_subvars): Ditto.
384 (overlap_subvar): Ditto.
385 * print-tree.c (print_node): Print out interesting things for
386 SFT's.
387 * tree-flow.h (struct subvar): Remove offset and size members.
388 * tree-ssa-operands.c (get_expr_operands): Update for
389 get_indirect_ref_operands changes.
390 (get_indirect_ref_operands): Call add_virtual_operand instead of
391 add_stmt_operand. Only recurse on base var if requested.
392 (access_can_touch_variable): New function.
393 (add_stmt_operand): Split virtual operand handling into ...
394 (add_virtual_operand): Here. Add offset, size, and for_clobber
395 arguments. Prune alias sets.
396 (add_call_clobber_ops): Call add_virtual_operand.
398 2006-02-15 Jakub Jelinek <jakub@redhat.com>
400 PR middle-end/26300
401 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
403 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
404 than TREE_CODE as index into omp_clause_num_ops array.
406 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
408 PR rtl-optimization/26184
409 * modulo-sched.c (generate_reg_moves): Free bitmap vector
410 uses_of_defs.
411 * modulo-sched.c (sms_schedule): Free g_arr pointer.
412 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
413 must_precede, must_follow and tobe_scheduled.
415 PR other/26147
416 * opts.c (common_handle_option): Free new_option pointer.
417 * df-core.c (df_analyze): Free postorder pointer.
419 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
421 * Makefile.in: Fix the examples about the use of stamps
423 2006-02-15 Michael Matz <matz@suse.de>
425 PR middle-end/22275
427 * stor-layout.c (layout_decl): Zero-width bitfields aren't
428 influenced by maximum_field_alignment or DECL_PACKED.
429 (update_alignment_for_field): Ditto.
430 (place_field): Ditto.
431 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
432 this behaviour.
434 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
436 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
437 (debug_flow_info): Pass it.
438 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
439 * bb-reorder.c (reorder_basic_blocks): Likewise.
440 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
441 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
442 * flow.c (life_analysis, recompute_reg_usage): Likewise.
443 * gcse.c (gcse_main, bypass_jumps): Likewise.
444 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
445 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
446 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
447 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
448 * rtl.h (dump_flow_info): Adjust prototype.
449 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
450 * var-tracking.c (variable_tracking_main): Likewise.
451 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
452 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
453 options.
455 2006-02-15 Marcin Dalecki <martin@dalecki.de>
457 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
458 construction.
460 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
462 PR tree-optimization/26209
463 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
464 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
465 eh edges.
466 * tree-cfg.c (replace_uses_by): Do not alter cfg.
468 2006-02-14 Roger Sayle <roger@eyesopen.com>
470 PR middle-end/23670
471 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
472 (X,Y) and the corresponding symmetry related transformations.
473 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
474 (X,Y) and its symmetry related transformations.
476 2006-02-14 Roger Sayle <roger@eyesopen.com>
478 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
479 and GEU.
481 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
483 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
485 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
487 PR bootstrap/26053
488 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
489 support COMDAT group.
490 * configure: Regenerate.
492 2006-02-14 Roger Sayle <roger@eyesopen.com>
494 PR middle-end/26279
495 PR middle-end/26280
496 PR middle-end/26283
497 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
499 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
501 Fix PR tree-optimization/26260
503 * doc/invoke.texi (max-fields-for-field-sensitive): Document
504 param.
505 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
506 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
507 * tree-ssa-structalias.c (create_variable_info_for): Use
508 MAX_FIELDS_FOR_FIELD_SENSITIVE.
510 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
512 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
513 Document.
514 * tree-ssa-loop-niter.c (number_of_iterations_ne,
515 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
516 of the ending condition.
517 * tree-ssa-loop-manip.c: Include params.h.
518 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
519 tree_unroll_loop): New functions.
520 * tree-pass.h (pass_loop_prefetch): Declare.
521 * loop.c (rest_of_handle_loop_optimize): Test for
522 -fprefetch-loop-arrays-rtl.
523 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
524 * timevar.def (TV_TREE_PREFETCH): New timevar.
525 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
526 pass_loop_prefetch): New.
527 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
528 (cleanup_tree_cfg_loop): Call scev_reset.
529 * common.opt (fprefetch-loop-arrays-rtl): Add.
530 * tree-ssa-loop-prefetch.c: New file.
531 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
532 (new_temp_expr_table): Initialize expr_vars.
533 (free_temp_expr_table): Cleanup expr_vars.
534 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
535 expressions from being merged into one.
536 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
537 (struct tree_niter_desc): Add control, bound and cmp fields.
538 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
539 Declare.
540 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
541 (tree-cfgcleanup.o): Add SCEV_H dependency.
542 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
543 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
545 2006-02-14 Richard Guenther <rguenther@suse.de>
547 PR tree-optimization/26258
548 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
549 in PHI argument processing.
551 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
553 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
554 new expression in the requested machine mode.
556 2006-02-13 Roger Sayle <roger@eyesopen.com>
558 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
559 directly, instead let do_compare_rtx_and_jump handle this for us.
560 * expr.c (expand_expr_real_1): Likewise.
561 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
562 before do_jump_by_parts_greater.
563 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
564 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
566 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
568 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
570 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
572 PR rtl-optimization/26235
573 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
574 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
575 format.
577 2006-02-13 Jeff Law <law@redhat.com>
579 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
580 TRUTH_XOR_EPR.
582 2006-02-13 Jakub Jelinek <jakub@redhat.com>
584 PR middle-end/26092
585 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
586 twice if decl is a builtin. When trying again, call get_callee_fndecl
587 first to verify it is still a builtin.
589 2006-02-13 Geoffrey Keating <geoffk@apple.com>
591 * dwarf2out.c (base_type_die): Don't add AT_name here.
592 (subrange_type_die): Don't add AT_name here.
593 (modified_type_die): Rearrange code flow. Do add AT_name here.
595 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
597 PR rtl-optimization/26247
598 PR rtl-optimization/26248
599 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
601 2006-02-13 Richard Sandiford <richard@codesourcery.com>
603 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
604 * config/fixtfdi.c: Likewise.
605 * config/fixunstfdi.c: Likewise.
606 * config/floatditf.c: Likewise.
608 2006-02-13 Roger Sayle <roger@eyesopen.com>
610 PR middle-end/24427
611 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
612 into (X,C2) if C1 is a subset of the bits of C2. Transform
613 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
614 (X&(C1&~C2))|C2.
615 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
617 2006-02-13 Josh Conner <jconner@apple.com>
619 PR target/25376
620 * varasm.c (function_section): Check for section name before
621 calling select_section on targets that define
622 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
623 unlikely_text_section instead of hot_function_section if
624 first_function_block_is_cold.
626 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
628 PR middle-end/25335
629 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
631 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
633 PR rtl-optimization/26222
634 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
635 after tree->rtl expansion.
636 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
637 before passing it to emit_move_insn.
639 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
641 * doc/invoke.texi (-Write-strings): Document that it is enabled by
642 default.
643 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
644 Clarify documentation.
645 * c-common.h (warn_write_strings): Remove.
646 * c-common.c (warn_write_strings): Likewise.
647 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
648 default for C++.
650 2006-02-12 Roger Sayle <roger@eyesopen.com>
652 PR middle-end/25724
653 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
654 (do_jump_parts_zero_rtx): New function renamed from
655 do_jump_parts_equality_rtx. Made static. Add a mode argument.
656 (do_jump_parts_equality_rtx): New function split out from
657 do_jump_parts_equality. Old implementation renamed as above.
658 Call do_jump_parts_zero_rtx if either operand is zero.
659 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
660 do all of the heavy lifting.
661 (do_compare_rtx_and_jump): Handle multi-word comparisons by
662 calling either do_jump_by_parts_greater_rtx or
663 do_jump_by_parts_equality_rtx.
664 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
665 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
666 moved to do_compare_rtx_and_jump, call it directly.
667 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
668 mode argument. Call do_compare_rtx_and_jump.
669 (emit_case_nodes): Update calls to do_jump_if_equal.
671 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
673 PR rtl-optimization/26225
674 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
676 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
678 PR rtl-optimization/26232
679 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
681 2006-02-11 Jason Merrill <jason@redhat.com>
683 PR tree-opt/24365
684 * tree-inline.c (declare_return_variable): Just don't use the
685 modify target if it's a gimple complex reg and the return slot
686 isn't.
688 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
690 * doc/contrib.texi: Update my entry.
692 2006-02-10 Geoffrey Keating <geoffk@apple.com>
694 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
696 2006-02-10 Diego Novillo <dnovillo@redhat.com>
698 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
699 expensive.
701 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
703 * doc/invoke.texi (-floop-optimize2): Removed.
704 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
705 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
706 Test flag_branch_on_count_reg only if HAVE_doloop_end.
707 * common.opt (floop-optimize2): Removed.
708 (fmove-loop-invariants): Enabled by default.
710 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
712 * tree-if-conv.c (combine_blocks): Free the result of
713 get_loop_exit_edges.
715 2006-02-10 Jeff Law <law@redhat.com>
717 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
719 PR tree-optimization/26213
720 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
721 loop trying to follow SSA_NAME_VALUE chains.
723 2006-02-10 Richard Guenther <rguenther@suse.de>
725 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
726 deal with structures that end in implicitly variable sized arrays.
728 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
730 PR rtl-optimization/24762
731 * df-scan.c (df_bb_refs_record): Record correct registers defined on
732 eh edges.
734 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
736 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
737 (struct ivopts_data): Add regs_used field.
738 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
739 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
740 instead of loop_data->regs_used;
741 (free_loop_data): Do not free aux fields for loops.
742 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
743 and tree_ssa_iv_optimize_finalize.
745 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
747 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
749 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
751 PR target/26141
752 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
753 computing the effective result type.
755 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
757 PR inline-asm/16194
758 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
759 (tree_overlaps_hard_reg_set): Declare.
760 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
761 type and signature to match function type expected by walk_tree.
762 (tree_overlaps_hard_reg_set): New function.
763 (decl_conflicts_with_clobbers_p): Rename to:
764 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
765 Use tree_overlaps_hard_reg_set. Changed caller.
766 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
767 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
768 * cris.c (cris_md_asm_clobbers): Likewise.
770 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
772 * reload1.c (emit_input_reload_insns): Delete code that tries to
773 inherit using find_equiv_reg.
775 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
777 * c-common.h (flag_const_strings): Don't declare.
778 * c-common.c (flag_const_strings): Remove.
779 * c.opt (fconst_strings): Remove.
780 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
781 <OPT_Wwrite_strings>: Don't set flag_const_strings.
782 (c_common_init_options): Don't set flag_const_strings.
783 * doc/invoke.texi (-fno-const-strings): Remove documentation.
785 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
787 * arm.md (tlobits_cbranch): New pattern.
788 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
789 testing a single bit.
791 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
793 PR tree-opt/26179
794 * tree-ssa-pre.c (create_component_ref_by_pieces):
795 Handle RETURN_DECL like VAR_DECL.
797 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
799 PR middle-end/26134
800 * fold-const.c (fold_indirect_ref_1): Fold
801 "*(foo *)&complexfoo" to "__real__ complexfoo"
802 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
804 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
806 * tree-flow-inline.h (var_can_have_subvars):
807 Volatile variables should not have subvariables.
809 2006-02-09 Diego Novillo <dnovillo@redhat.com>
811 PR 26180
812 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
813 multiplying unsigned values.
814 Tidy comments.
816 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
818 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
820 2006-02-08 Jason Merrill <jason@redhat.com>
822 PR c++/25979
823 * tree.def: Elaborate on difference from MODIFY_EXPR.
824 * doc/c-tree.texi (INIT_EXPR): Likewise.
825 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
826 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
827 (gimplify_target_expr): Likewise.
828 (gimplify_cond_expr): Remove target handling.
829 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
830 (gimplify_expr): Clobber it here.
831 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
832 Do return slot optimization if we have an INIT_EXPR.
834 PR tree-opt/24365
835 * tree-inline.c (declare_return_variable): Also clear
836 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
838 PR c++/16405
839 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
841 PR middle-end/22439
842 * gimplify.c (gimplify_one_sizepos): Fix typo.
844 2006-02-08 Jeff Law <law@redhat.com>
846 PR tree-optimization/21417
847 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
848 across a backedge if the control statement at the end of the
849 block is data dependent on other statements in the same block.
850 (record_temporary_equivalences_from_stmts): Remove over-conservative
851 test for threading across backedges.
853 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
854 control statement, handle all three special cases in the same
855 manner as they all have the same desired solution. No longer
856 special case edge flag updating when the post dominator is
857 the exit block.
859 2006-02-08 Roger Sayle <roger@eyesopen.com>
861 * tree.def (CHAR_TYPE): Remove.
862 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
863 * dwarf2out.c (base_type_die, is_base_type): Likewise.
864 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
865 (gen_string_type_die): Delete unreachable function.
867 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
868 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
869 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
870 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
871 * builtins.c (type_to_class): Likewise.
872 * fold-const.c (fold_convert, build_range_check,
873 merge_ranges): Likewise.
874 * expr.c (count_type_elements): Likewise.
875 * c-pretty-print.c (pp_c_type_specifier): Likewise.
876 * stor-layout.c (layout_type): Likewise.
877 * ipa-type-escape.c (type_to_consider): Likewise.
878 * gimplify.c (omp_firstprivatize_type_sizes,
879 gimplify_type_sizes): Likewise.
880 * explow.c (promote_mode): Likewise.
881 * tree-sra.c (is_sra_scalar_type): Likewise.
882 * varasm.c (output_constant): Likewise.
883 * tree-inline.c (remap_type_1): Likewise.
884 * convert.c (convert_to_pointer, convert_to_real,
885 convert_to_integer, convert_to_complex): Likewise.
887 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
889 * df-scan.c (df_def_record_1): A set destination may
890 be a parallel regardless of mode.
892 2006-02-08 Roger Sayle <roger@eyesopen.com>
894 PR target/22209
895 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
896 * config/mips/_tilib.c: Remove.
897 * config/fixtfdi.c: New libgcc source file.
898 * config/fixunstfdi.c: New source file.
899 * config/floatditf.c: New source file.
900 * config/floatunditf.c: New souce file.
901 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
902 files above instead of config/mips/_tilib.c.
903 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
905 2006-02-08 Jeff Law <law@redhat.com>
907 PR tree-optimization/26169
908 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
909 threading jumps.
911 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
913 * df.h (DF_REG_SIZE): Return the length of the initialized
914 part of the array.
916 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
918 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
919 __muldf3): Return a correctly signed zero.
921 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
923 * passes.c (register_one_dump_file): Accept the current properties
924 instead of pass number. Adjust call to dump_register. Remove
925 duplicated code.
926 (register_dump_files): Now a wrapper around...
927 (register_dump_files_1): ... this one. Do not modify the pass
928 structure.
929 (next_pass_1): Cosmetic fix.
930 (execute_todo): Keep second parameter only. Use curr_properties
931 instead of fetching it from the pass structure. Check and set
932 last_verified.
933 (execute_one_pass): Handle TODO_set_props. Use curr_properties
934 instead of fetching it from the pass structure. Fix calls to
935 execute_todo. Update curr_properties and initialize .vcg RTL dump
936 after running the pass. Reset last_verified.
937 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
938 at the beginning.
939 (FIRST_AUTO_NUMBERED_DUMP): New.
940 (dump_register): Remove "num" parameter, assign it within the
941 function.
942 (get_dump_file_name): Modify template for dumps.
943 * tree-dump.h (dump_register): Adjust prototype.
944 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
945 (PROP_trees): Add PROP_gimple_lomp.
946 (TODO_set_props): New.
947 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
948 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
949 * cfgexpand.c (pass_expand): Destroy PROP_trees.
951 2006-02-08 Jakub Jelinek <jakub@redhat.com>
953 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
954 (sparc64-*-linux*): Likewise.
955 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
956 * config/sparc/t-linux: New file.
957 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
958 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
959 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
960 -m32 -mlong-double-128.
962 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
963 * config/alpha/t-linux: New file.
964 * config/alpha/libgcc-alpha-ldbl.ver: New file.
966 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
967 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
968 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
969 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
970 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
971 (CPP_ARCH32_SPEC): Remove.
973 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
975 PR tree-optimization/26145
976 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
977 bbs pointer.
979 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
981 PR target/26109
982 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
983 >= 240000 when generating code for SOM runtime.
984 (output_indirect_call): Don't use "b,l" instruction for indirect calls
985 to $$dyncall when generating code for SOM runtime..
987 2006-02-07 Dirk Mueller <dmueller@suse.com>
989 PR c++/18150
990 * doc/invoke.texi (-Wsequence-point): Update documentation
991 that -Wsequence-point is implemented for C++ as well.
993 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
995 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
996 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
997 (LIB_SPEC): Likewise.
998 * doc/invoke.texi (SPARC options): Document -pthread.
1000 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1002 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1003 PIC addresses.
1005 2006-02-07 Roger Sayle <roger@eyesopen.com>
1007 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1008 Correct comment describing BOOLEAN_TYPE.
1010 2006-02-07 Dirk Mueller <dmueller@suse.com>
1012 * c.opt: C++ frontend supports -Wdiv-by-zero.
1013 * c-opts.c (c_common_handle_option): Remove dead case.
1015 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1017 * configure.ac (TLS assembler check): Do not enable TLS by
1018 default on SPARC/Solaris before version 10.
1019 * configure: Regenerate.
1021 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1023 * doc/invoke.texi (xl-compat): Document conversion and support
1024 routine names.
1026 2006-02-07 Jeff Law <law@redhat.com>
1028 * tree-vrp.c (find_conditional_asserts): Update comments.
1029 (simplify_stmt_for_jump_threading): New.
1030 (identify_jump_threads, finalize_jump_threads): New.
1031 (vrp_finalize): Call identify_jump_threads.
1032 (execute_vrp): Call finalize_jump_threads.
1033 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1034 (vrp_element, vrp_data, vrp_element_p): Remove.
1035 (vrp_hash_elt, vrp_variables_stack): Remove.
1036 (vrp_hash, vrp_eq, record_range): Remove.
1037 (simplify_cond_and_lookup_avail_expr): Remove.
1038 (extract_range_from_cond): Remove.
1039 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1040 (simplify_stmt_for_jump_threading): New.
1041 (dom_thread_across_edge): New wrapper.
1042 (tree_ssa_dominator_optimize): No longer initialize or
1043 finalize any of the VRP datastructures. Remove iteration
1044 step and simplify as a result of removal of iteration step.
1045 (pass_dominator): Perform a cfg cleanup after DOM.
1046 (dom_opt_finalize_block): Use the new common routines
1047 for threading jumps. Simplify stack management slightly.
1048 No longer need to unwind VRP state.
1049 (record_equivalences_from_incoming_edge): No longer record
1050 VRP information.
1051 (eliminate_redundant_computations): No longer call
1052 simplify_cond_and_lookup_avail_expr.
1053 * tree-flow.h (potentially_threadable_block): Prototype.
1054 (thread_across_edge): Likewise.
1055 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1056 (tree-ssa-threadedge.o): Add dependencies.
1057 * tree-ssa-threadedge.c: New file.
1058 * passes.c (init_optimization_passes): Merge PHIs before
1059 calling VRP. Run VRP again late in the SSA optimization pipeline.
1061 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1063 * df-core.c (df_set_blocks): Do not dereference function pointers.
1064 (df_finish1): Likewise.
1065 (df_hybrid_search_forward): Likewise.
1066 (df_hybrid_search_backward): Likewise.
1067 (df_iterative_dataflow): Likewise.
1068 (df_analyze_problem): Likewise.
1069 (df_compact_blocks): Likewise.
1070 (df_dump): Likewise.
1071 * df-scan.c (df_rescan_blocks): Likewise.
1072 (df_record_entry_block_defs): Likewise.
1074 * genconditions.c (write_conditions): Guard the definition of
1075 'insn_conditions' with the check on GCC version.
1076 (write_writer): Guard the traversal 'insn_conditions' with
1077 the check on GCC version.
1079 2006-02-07 Richard Guenther <rguenther@suse.de>
1081 PR c++/26140
1082 Revert
1083 2006-01-30 Richard Guenther <rguenther@suse.de>
1084 PR c++/23372
1085 * gimplify.c (gimplify_target_expr): Handle easy cases
1086 without creating a temporary.
1088 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1090 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1091 use of float in probability computations. Use edge probabilities
1092 in place of statically computed probabilities.
1093 (min_spec_prob): New static variable.
1094 (schedule_insns): Initialize it.
1095 (GET_SRC_PROB): Removed.
1096 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1098 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1100 PR debug/24444
1101 * config/ia64/unwind-ia64.c: Revert last change.
1102 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1103 (INCOMING_FRAME_SP_OFFSET): Define.
1105 2006-02-06 Roger Sayle <roger@eyesopen.com>
1107 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1109 2006-02-07 Ben Elliston <bje@au.ibm.com>
1111 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1112 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1113 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1114 (ix86_return_in_memory): Handle TDmode.
1115 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1116 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1118 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1120 * reorg.c (dbr_schedule): Use dump_file instead of file.
1122 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1124 PR target/25917
1125 * config/ia64/predicates.md (extr_len_operand): New predicate.
1126 * config/ia64/ia64.md (extv): Tighten constraints.
1127 (extzv): Ditto.
1128 (*tbit_and_2): Ditto.
1129 (*tbit_and_3): Ditto.
1130 (*tbit_or_2): Ditto.
1131 (*tbit_or_3): Ditto.
1132 (*bit_zero): Ditto.
1133 (*bit_one): Ditto.
1135 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1137 PR target/23359
1138 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1140 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1142 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1143 loop_optimizer_init and loop_optimizer_finalize
1144 * tree-ssa-sink.c (execute_sink_code): Ditto.
1145 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1146 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1147 tree_ssa_loop_done): Ditto.
1148 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1149 * sched-ebb.c: Include output.h.
1150 (schedule_ebbs): Do not use dump argument.
1151 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1152 * loop.c (loop_dump_stream): Removed.
1153 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1154 argument.
1155 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1156 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1157 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1158 loop_iterations, strength_reduce, record_biv, record_giv,
1159 final_giv_value, check_final_value, check_ext_dependent_givs,
1160 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1161 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1162 dump_file instead of loop_dump_stream.
1163 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1164 argument dump_file.
1165 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1166 dump argument.
1167 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1168 * haifa-sched.c: Include output.h
1169 (schedule_insns, sched_init): Do not use dump argument.
1170 * mode-switching.c (optimize_mode_switching): Ditto.
1171 * modulo-sched.c (stats_file): Removed.
1172 (print_node_sched_params): Do not call argument dump_file.
1173 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1174 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1175 of stats_file.
1176 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1177 use dump argument.
1178 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1179 rtl_loop_init, rtl_loop_done): Ditto.
1180 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1181 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1182 Ditto.
1183 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1184 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1185 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1186 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1187 * emit-rtl.c (renumber_insns): Ditto.
1188 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1189 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1190 * regclass.c (regclass): Ditto.
1191 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1192 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1193 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1194 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1195 Ditto.
1196 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1197 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1198 to regclass.
1199 * gcse.c (gcse_file, debug_stderr): Removed.
1200 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1201 rest_of_handle_gcse): Do not use dump argument.
1202 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1203 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1204 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1205 compute_code_hoist_vbeinout, compute_code_hoist_data,
1206 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1207 compute_store_table, build_store_vectors, insert_insn_start_bb,
1208 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1209 store_motion): Use dump_file instead of gcse_file.
1210 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1211 * profile.c (profile_dump_file): Removed.
1212 (branch_prob): Use dump_file instead of profile_dump_file.
1213 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1214 dump_file.
1215 * tree-ssa-copy.c (dump_copy_of): Ditto.
1216 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1217 dump file to life_analysis.
1218 * bt-load.c (branch_target_load_optimize): Ditto.
1219 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1220 renumber_insns.
1221 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1222 regclass, dbr_schedule): Declaration changed.
1223 * sched-int.h (sched_init): Declaration changed.
1224 * tree-profile.c (tree_profile_dump_file): Removed.
1225 (tree_profile_hooks): Removed profile_dump_file hook.
1226 * rtl-profile (rtl_profile_dump_file): Removed.
1227 (rtl_profile_hooks): emoved profile_dump_file hook.
1228 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1229 changed.
1230 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1231 * tree-cfg.c (build_tree_cfg): Ditto.
1232 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1233 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1234 Declaration changed.
1235 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1236 life_analysis and schedule_insns.
1237 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1238 life_analysis.
1239 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1240 dbr_schedule.
1241 * config/mips/mips.c (mips_reorg): Ditto.
1242 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1243 schedule_ebbs.
1245 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1247 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1248 (s390_mangle_fundamental_type): New.
1249 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1250 Define.
1252 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1253 (alpha_mangle_fundamental_type): New.
1254 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1255 Define.
1257 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1258 Define.
1259 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1260 Define.
1261 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1262 (sparc_mangle_fundamental_type): New.
1264 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1266 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1267 (s390x-*-linux*): Likewise.
1268 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1269 * config/s390/t-linux: New file.
1271 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1273 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1274 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1276 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1278 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1279 (ANTIC_SAFE_LOADS): New macro.
1280 (find_or_generate_expression): Add prototype.
1281 (set_contains_value): Allow null set for sake of not always having
1282 to allocate ANTIC_SAFE_LOADS.
1283 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1284 Allow COMPONENT_REF too.
1285 (valid_in_set): Allow COMPONENT_REF.
1286 Check ANTIC_SAFE_LOADS too.
1287 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1288 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1289 rename.
1290 (can_PRE_operation): Add COMPONENT_REF.
1291 (create_component_ref_by_pieces): New function.
1292 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1293 (insert_aux): Move AGGREGATE_TYPE_P check here.
1294 (compute_avail): Set bb local stmt uids.
1295 (pass_pre): Use TODO_update_ssa_only_virtuals.
1297 2006-02-06 Ben Elliston <bje@au.ibm.com>
1299 * configure.ac: Unconditionally disable decimal float by default.
1300 * configure: Regenerate.
1302 2006-02-06 Ben Elliston <bje@au.ibm.com>
1304 * read-rtl.c (read_name): Terminate reading on EOF.
1306 2006-02-06 Ben Elliston <bje@au.ibm.com>
1308 * dfp.c (decimal_real_arithmetic): Change second argument type
1309 from int to enum tree_code. Do not always return true, but now
1310 return result of any call to decimal_do helper functions.
1311 * dfp.h (decimal_real_arithmetic): Update prototype.
1313 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1315 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1317 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1319 PR tree-opt/25251
1320 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1321 forced labels.
1323 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1325 * tree-vrp.c (cfg_loops): Removed.
1326 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1327 Use current_loops instead of cfg_loops. Pass flags to
1328 loop_optimizer_init.
1329 * cfgloopmanip.c (fix_loop_structure): Update only available
1330 information.
1331 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1332 loop_optimizer_init.
1333 * modulo-sched.c (build_loops_structure): Removed.
1334 (sms_schedule): Use loop_optimizer_init.
1335 * loop-init.c (loop_optimizer_init): Use flags to determine
1336 which properties of loops to prepare.
1337 (rtl_loop_init): Pass flags to loop_optimizer_init.
1338 * tree-ssa-sink.c (execute_sink_code): Ditto.
1339 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1340 * tree-ssa-pre.c (init_pre): Ditto.
1341 * cfgloop.h (LOOPS_NORMAL): New.
1342 (loop_optimizer_init): Declaration changed.
1344 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1346 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1347 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1348 pa/t-pa.
1349 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1350 pa/t-pa.
1351 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1352 pa/x-ada.
1353 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1354 * pa/t-pa64: Delete quadlib.c rule.
1355 * pa/x-ada: Revert last change.
1356 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1358 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1360 PR rtl-optimization/26087
1361 * rtlanal.c (canonicalize_condition): Do not cross basic block
1362 boundaries.
1364 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1366 PR debug/24444
1367 * config/ia64/ia64.c: Include debug.h.
1368 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1369 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1370 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1371 (process_epilogue, process_set, process_for_unwind_directive):
1372 Output unwind info only if requested. Add CFA info if requested.
1373 Add new arguments as needed. Adjust callers.
1374 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1375 incorrect default.
1376 (DWARF2_FRAME_INFO): Define to zero.
1377 * config/ia64/unwind-ia64.c: Remove code that compensated for
1378 the CFA offset error fixed above.
1379 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1380 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1381 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1382 -funwind-tables and -fexceptions to enable frame info.
1383 (dwarf2out_frame_init): Define initial CFA even if
1384 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1385 DWARF2_UNWIND_INFO is nonzero, not just defined.
1386 (dwarf2out_frame_finish): Output non-EH call frame info only
1387 if DWARF2_FRAME_INFO is nonzero.
1388 (convert_cfa_to_loc_list,
1389 compute_frame_pointer_to_cfa_displacement): Define even if
1390 unwind info is not supported.
1391 (gen_subprogram_die): Use the above unconditionally. Remove
1392 legacy alternate code.
1393 * toplev.c (compile_file): Compile in call to
1394 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1395 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1397 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1398 Jakub Jelinek <jakub@redhat.com>
1400 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1401 IBM extended float format long double as "g" on powerpc*-linux.
1403 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1405 PR target/25926
1406 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1407 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1409 2006-02-03 Jason Merrill <jason@redhat.com>
1411 PR c++/25979
1412 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1414 PR middle-end/25977
1415 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1416 on the return slot if it's an NRV.
1418 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1420 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1421 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1422 rewrite_use): Do not handle USE_OUTER.
1423 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1424 add_iv_outer_candidates, may_replace_final_value,
1425 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1426 (find_interesting_uses_op): Functionality of
1427 find_interesting_uses_outer_or_nonlin moved here.
1428 (find_interesting_uses_outside): Use find_interesting_uses_op.
1430 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1432 PR target/25960
1433 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1435 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1436 Ulrich Weigand <uweigand@de.ibm.com>
1438 PR target/25864
1439 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1440 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1441 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1442 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1443 and dxr fields.
1444 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1445 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1446 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1447 Define secondary reloads for TFmode moves.
1448 (constant_modes): Add TFmode.
1449 (NR_C_MODES): Set to 8.
1450 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1451 builtin define.
1452 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1453 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1454 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1455 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1456 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1457 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1458 (FPR mode macro): Add TFmode.
1459 (DSF mode macro): New.
1460 (<de>, <dee> mode attributes): Removed.
1461 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1462 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1463 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1464 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1465 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1466 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1467 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1468 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1469 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1470 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1471 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1472 "*negabs<mode>2", "sqrt<mode>2"):
1473 Changed <de> to <xde>. R constraint replaced by <Rf>.
1474 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1475 <Rf>.
1476 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1477 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1478 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1479 splitters.
1480 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1481 "extenddftf2", "extendsftf2"): New expanders.
1482 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1483 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1484 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1485 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1486 New options.
1487 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1488 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1489 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1490 __floatditf): Add a GCC_4.1.0 symbol version tag.
1491 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1492 the new options.
1494 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1496 PR target/25377
1497 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1498 Use targetm.binds_local_p instead of TREE_PUBLIC.
1500 2006-02-02 Roger Sayle <roger@eyesopen.com>
1502 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1503 on INTEGER_TYPEs to indicate that it denotes a character type.
1504 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1505 signed_char_type_node, unsigned_char_type_node and char_type_node.
1506 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1507 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1508 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1510 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1511 Daniel Berlin <dberlin@dberlin.org>
1513 * tree-tailcall.c (arg_needs_copy_p): New function.
1514 (eliminate_tail_call): Use arg_needs_copy_p.
1515 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1516 (add_virtual_phis): New function.
1518 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1520 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1521 #ignore instead of #scratch for %g7 .register directive.
1523 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1525 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1526 object files.
1528 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1530 * flow.c (calculate_global_regs_live): Assert that there aren't any
1531 EDGE_FAKE edges.
1533 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1535 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1536 what its name says.
1537 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1538 bsi_after_labels iterator.
1539 * tree-if-conv.c (find_phi_replacement_condition,
1540 replace_phi_with_cond_modify_expr): Likewise.
1541 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1542 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1544 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1546 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1548 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1550 PR 25990
1551 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1552 array after growing it.
1554 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1556 PR middle-end/24901
1557 * fold-const.c (fold_checksum_tree): Change type of buf.
1559 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1561 * reload.c (push_secondary_reload): Initialize t_icode.
1563 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1565 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1566 -msoft-float -mlong-double-128 only issue a warning, but don't
1567 swich to DFmode long double.
1569 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1571 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1572 has a constant equivalent, iterate over equivalents for arg0,
1573 calling simplify_relational_operation and if there's a result
1574 cheaper than X, apply fold_rtx and return the result.
1576 2006-02-01 Jan Hubicka <jh@suse.cz>
1578 * opts.c (no_unit_at_a_time_default): New global variable.
1579 (decode_options): Use it.
1580 * opts.h (no_unit_at_a_time_default): Declare.
1582 2006-02-01 Paul Brook <paul@codesourcery.com>
1584 * function.c (assign_parm_setup_reg): Use function argument promotion
1585 rules.
1586 * expr.c (expand_expr_real_1): Use function argument promotion rules
1587 for PARM_DECLs.
1589 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1591 * gcc.c (process_command): Change j to 'unsigned int'.
1593 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1595 PR middle-end/26001
1596 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1597 Use the corrected index for the character
1598 out of the string constant.
1600 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1602 * mode-switching.c (optimize_mode_switching): Fix size
1603 allocated for bb_info[n_entities].
1605 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1607 * gcc.c (main): Correct type that is allocated for
1608 explicit_link_files.
1610 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1612 * config/s390/s390.c (init_alignment_context): Set
1613 ALIAS_SET_MEMORY_BARRIER on the MEM.
1614 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1616 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1618 PR middle-end/25933
1619 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1620 dom_bbs pointer.
1621 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1622 call to tpa_init.
1624 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1626 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1627 * regrename.c: Ditto.
1628 * tree-ssa-loop-im.c: Ditto.
1629 * tree-dump.c: Ditto.
1630 * tree-complex.c: Ditto.
1631 * genrecog.c: Ditto.
1632 * tree-ssa-threadupdate.c: Ditto.
1633 * tracer.c: Ditto.
1634 * java/class.c: Ditto.
1635 * java/jcf-parse.c: Ditto.
1636 * java/resource.c: Ditto.
1637 * java/except.c: Ditto.
1638 * java/jvspec.c: Ditto.
1639 * java/jcf-write.c: Ditto.
1640 * java/jcf-path.c: Ditto.
1641 * java/gjavah.c: Ditto.
1642 * java/zextract.c: Ditto.
1643 * java/jcf-io.c: Ditto.
1644 * java/jcf.h: Ditto.
1645 * java/buffer.c: Ditto.
1646 * java/lang.c: Ditto.
1647 * java/parse-scan.y: Ditto.
1648 * java/lex.c: Ditto.
1649 * java/lex.h: Ditto.
1650 * cfgloopmanip.c: Ditto.
1651 * postreload-gcse.c: Ditto.
1652 * tree-ssa-loop-manip.c: Ditto.
1653 * postreload.c: Ditto.
1654 * tree-ssa-loop-ch.c: Ditto.
1655 * loop.c: Ditto.
1656 * ipa-cp.c: Ditto.
1657 * cppspec.c: Ditto.
1658 * diagnostic.c: Ditto.
1659 * final.c: Ditto.
1660 * genoutput.c: Ditto.
1661 * gcc.c: Ditto.
1662 * cfghooks.c: Ditto.
1663 * cfgloopanal.c: Ditto.
1664 * objc/objc-act.c: Ditto.
1665 * gcov.c: Ditto.
1666 * genextract.c: Ditto.
1667 * genautomata.c: Ditto.
1668 * pretty-print.c: Ditto.
1669 * genemit.c: Ditto.
1670 * cgraphunit.c: Ditto.
1671 * flow.c: Ditto.
1672 * df-scan.c: Ditto.
1673 * haifa-sched.c: Ditto.
1674 * dominance.c: Ditto.
1675 * dbxout.c: Ditto.
1676 * tree-ssa-loop-ivopts.c: Ditto.
1677 * df-core.c: Ditto.
1678 * mode-switching.c: Ditto.
1679 * modulo-sched.c: Ditto.
1680 * graph.c: Ditto.
1681 * ipa-pure-const.c: Ditto.
1682 * cse.c: Ditto.
1683 * fix-header.c: Ditto.
1684 * web.c: Ditto.
1685 * tree-stdarg.c: Ditto.
1686 * ipa-utils.c: Ditto.
1687 * loop-init.c: Ditto.
1688 * ipa-inline.c: Ditto.
1689 * cfganal.c: Ditto.
1690 * global.c: Ditto.
1691 * alloc-pool.c: Ditto.
1692 * dwarf2out.c: Ditto.
1693 * opts.c: Ditto.
1694 * genattrtab.c: Ditto.
1695 * tree-ssa-loop-ivcanon.c: Ditto.
1696 * predict.c: Ditto.
1697 * timevar.c: Ditto.
1698 * lcm.c: Ditto.
1699 * fortran/gfortranspec.c: Ditto.
1700 * regmove.c: Ditto.
1701 * local-alloc.c: Ditto.
1702 * langhooks.c: Ditto.
1703 * function.c: Ditto.
1704 * tree-vectorizer.c: Ditto.
1705 * gcse.c: Ditto.
1706 * ipa-type-escape.c: Ditto.
1707 * alias.c: Ditto.
1708 * tree-if-conv.c: Ditto.
1709 * profile.c: Ditto.
1710 * ipa.c: Ditto.
1711 * tree-data-ref.c: Ditto.
1712 * loop-unroll.c: Ditto.
1713 * treelang/treetree.c: Ditto.
1714 * calls.c: Ditto.
1715 * bt-load.c: Ditto.
1716 * ggc-common.c: Ditto.
1717 * except.c: Ditto.
1718 * coverage.c: Ditto.
1719 * cselib.c: Ditto.
1720 * tree-cfgcleanup.c: Ditto.
1721 * tree-ssa-pre.c: Ditto.
1722 * cfgcleanup.c: Ditto.
1723 * loop-invariant.c: Ditto.
1724 * loop-iv.c: Ditto.
1725 * ipa-prop.c: Ditto.
1726 * print-tree.c: Ditto.
1727 * conflict.c: Ditto.
1728 * ggc-page.c: Ditto.
1729 * sched-deps.c: Ditto.
1730 * regclass.c: Ditto.
1731 * tree-object-size.c: Ditto.
1732 * combine.c: Ditto.
1733 * bb-reorder.c: Ditto.
1734 * resource.c: Ditto.
1735 * var-tracking.c: Ditto.
1736 * cfgloop.c: Ditto.
1737 * df-problems.c: Ditto.
1738 * reg-stack.c: Ditto.
1739 * tlink.c: Ditto.
1740 * gccspec.c: Ditto.
1741 * sched-rgn.c: Ditto.
1742 * tree-ssa-structalias.c: Ditto.
1743 * tree-ssa-reassoc.c: Ditto.
1744 * config/darwin-c.c: Ditto.
1745 * config/darwin.c: Ditto.
1746 * config/arm/arm.c: Ditto.
1747 * cfgrtl.c: Ditto.
1748 * collect2.c: Ditto.
1749 * reload1.c: Ditto.
1751 2006-01-31 Nicolas Pitre <nico@cam.org>
1753 * arm.md (smaxsi3): Make aware of smax_m1.
1754 (smax_m1): New.
1756 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1758 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1760 2006-01-31 Richard Guenther <rguenther@suse.de>
1762 * doc/invoke.texi (-msselibm): Document.
1763 * target.h (expand_library_builtin): New target hook.
1764 * builtins.c (expand_builtin): Use expand_library_builtin.
1765 (default_expand_library_builtin): New function.
1766 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1767 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1768 (link_gcc_math_spec): Declare.
1769 (static_specs): Add link_gcc_math_spec.
1770 * expr.h (default_expand_library_builtin): Declare.
1771 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1772 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1773 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1774 * config/i386/i386.opt (msselibm): New target option.
1775 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1776 (ix86_init_sse_abi_builtins): New function.
1777 (ix86_expand_library_builtin): Likewise.
1778 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1779 (override_options): Handle error conditions wrt -msselibm.
1780 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1781 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1782 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1783 builtins.
1785 2006-01-31 Richard Guenther <rguenther@suse.de>
1786 Paolo Bonzini <bonzini@gnu.org>
1788 * doc/install.texi (--disable-libgcc-math): Document.
1790 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1792 * expr.h (expand_normal): new inline function.
1793 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1794 * dojump.c: use it.
1795 * dwarf2out.c: use it.
1796 * expr.c: use it.
1797 * calls.c: use it.
1798 * expmed.c: use it.
1799 * except.c: use it.
1800 * config/sparc/sparc.c: use it.
1801 * config/i386/i386.c: use it.
1802 * config/rs6000/rs6000.c: use it.
1803 * config/arm/arm.c: use it.
1804 * config/mips/mips.c: use it.
1805 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1807 2006-01-30 Roger Sayle <roger@eyesopen.com>
1809 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1810 argv to the appropriate type.
1812 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1814 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1815 unreachable code.
1817 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1819 PR target/26018
1820 * config/s390/s390.c (struct machine_function): New flag
1821 decomposed_literal_pool_addresses_ok_p.
1822 (s390_reorg): Set it before final stage of literal pool transforms.
1823 (s390_decompose_address): Only accept displacements of the form
1824 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1826 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1828 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1829 the comparison routine return.
1831 2006-01-30 Michael Matz <matz@suse.de>
1833 * global.c (find_reg): Only evict for global regs.
1834 Take n_refs into account and dump more info.
1836 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1838 PR target/14798:
1839 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1840 (pragma_trap, pragma_nosave_low_regs): Likewise.
1841 (current_function_anonymous_args): Likewise.
1842 (sh_deferred_function_attributes): New variable.
1843 (sh_deferred_function_attributes_tail): Likewise.
1844 (print_operand): For '@', look up trap_exit attribute.
1845 (calc_live_regs): Look up trapa_handler attribute. For trapa
1846 handlers, save/restore fpscr, but don't do any other
1847 interrupt-specific saves.
1848 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1849 Fix check for partially saved registers to check for SHmedia.
1850 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1851 (sh_output_function_epilogue): Don't clear any of the removed
1852 variables.
1853 (sh_insert_attributes): Don't check pragma_interrupt.
1854 Insert deferred attributes. Check that interrupt attribute is
1855 present for other attributes that require its presence.
1856 (sh_attribute_table): Add new attributes trapa_handler and
1857 nosave_low_regs.
1858 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1859 Don't check for pragma_interrupt. Don't store argument.
1860 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1861 (sh_deferred_function_attributes): Declare.
1862 (sh_deferred_function_attributes_tail): Likewise.
1863 * sh.md (sp_switch_1): Add operand. Change generator caller.
1864 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1865 (*return_i): Don't use when trap_exit attribute is in effect.
1866 (*return_trapa): New insn pattern.
1867 * sh-c.c: New file.
1868 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1869 setting c_target_objs and cxx_target_objs.
1870 * t-sh: Add rule for sh-c.o.
1872 2006-01-30 Richard Guenther <rguenther@suse.de>
1874 PR c++/23372
1875 * gimplify.c (gimplify_target_expr): Handle easy cases
1876 without creating a temporary.
1878 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1880 * vec.h (safe_grow): Remove duplicated line.
1882 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1884 PR 25874
1885 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1886 (expand_omp): ... here.
1887 (expand_omp_parallel): Only remove barriers for combined
1888 parallel+workshare constructs.
1890 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1892 Revert
1894 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1895 * tree.c (build_qualified_type): Chain the new type to the original
1896 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1897 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1898 (build_pointer_type_for_mode): Only return unqualified types.
1899 (build_reference_type_for_mode): Likewise.
1901 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1903 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1904 * Makefile.in (CXX_COMPAT_WARN): Define.
1905 * configure: Regenerate.
1907 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1909 PR tree-opt/25911
1910 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1911 to an if check.
1913 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1915 * toplev.c: Fix thinko.
1917 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1918 Marcin Dalecki <martin@dalecki.de>
1920 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1921 (push_srcloc): Use XNEW.
1922 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1924 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1926 * df-core.c (df_set_blocks): Deleted all variable.
1928 2006-01-28 Ian Lance Taylor <ian@airs.com>
1930 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1931 cgraph_output_pending_asms.
1933 2006-01-28 Zack Weinberg <zackw@panix.com>
1935 * c.opt: Add -W(no-)overlength-strings.
1936 * doc/invoke.texi: Document it.
1937 * c-opts.c (c_common_handle_option): -pedantic implies
1938 -Woverlength-strings, if not explicitly disabled already.
1939 (c_common_post_options): -Woverlength-strings defaults to off, and
1940 is always off for C++.
1941 * c-common.c (fix_string_type): Issue warning about strings longer
1942 than is portable only if warn_overlength_strings. Rearrange code
1943 a little for clarity.
1944 * configure.in: Check for -Wno-overlength-strings as well before
1945 enabling -pedantic in stage 1.
1946 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1947 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1949 * genconditions.c (write_header, write_one_condition)
1950 (write_conditions, write_writer): Consolidate very long strings
1951 that were broken up to fit in C89 portable limit. Don't use
1952 printf when fputs will do.
1954 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1956 * combine.c (simplify_comparison <AND>): Check
1957 TRULY_NOOP_TRUNCATION before start using a subreg.
1959 * config/mips/mips.md (*branch_zero<mode>,
1960 *branch_zero<mode>_inverted, *branch_equality<mode>,
1961 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1962 Remove mode check from comparisons.
1964 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1966 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1968 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1970 * expmed.c (const_mult_add_overflow_p): Remove.
1971 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1973 * recog.c (validate_replace_rtx_subexp): Remove.
1974 * recog.h: Remove the prototype for
1975 validate_replace_rtx_subexp.
1977 * integrate.h: Remove the prototype for
1978 copy_decl_for_inlining.
1979 * rtl.h: Remove the prototype for mark_constant_function.
1980 * tree-vectorizer.h: Remove the prototype for
1981 vect_strip_conversion.
1983 * modulo-sched.c (create_partial_schedule,
1984 free_partial_schedule, reset_partial_schedule): Make them
1985 static.
1987 * hooks.c (hook_bool_rtx_int_false): Remove.
1988 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1990 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1992 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1993 and -mlong-double-128 are incompatible.
1994 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1995 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1996 (TARGET_LIBGCC2_CFLAGS): Define.
1997 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1998 (TARGET_LIBGCC2_CFLAGS): Same.
1999 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2001 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2003 PR c/19606.
2004 * c-typeck.c (build_binary_op): Perform implicit casts of
2005 operands before shortening them.
2007 * cfgloopmanip.c (split_loop_bb): Remove.
2008 * cfgloop.h: Remove the prototype for split_loop_bb.
2010 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2011 * cfgloop.h: Remove the prototype for
2012 flow_loop_outside_edge_p.
2014 * emit-rtl.c (init_virtual_regs): Make it static.
2015 * function.h: Remove the prototype for init_virtual_regs.
2017 * recog.c (peephole2_optimize): Make it static.
2018 * recog.h: Remove the prototype for peephole2_optimize.
2020 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2022 * df-scan.c (df_record_entry_block_defs): Check if
2023 INCOMING_RETURN_ADDR_RTX is defined.
2025 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2026 Kenneth Zadeck <zadeck@naturalbridge.com>
2028 PR rtl-optimization/24762
2029 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2030 * targhooks.c (hook_void_bitmap): New hook prototype.
2031 * targhoohs.h (hook_void_bitmap): Ditto.
2032 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2033 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2034 * target.h (live_on_entry): New function pointer.
2035 * df-scan.c (df_all_hard_regs): Removed.
2036 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2037 (df_scan_free_internal): Added df->entry_block_defs.
2038 (df_scan_alloc): Ditto.
2039 (df_scan_dump): Ditto.
2040 (df_uses_record): Plumbed flag field properly thru calls.
2041 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2042 This part fixes PR24762.
2043 (df_bb_refs_record): Added code to make the frame and arg
2044 pointers live in EH blocks.
2045 (df_refs_record): Added call to df_record_entry_block_defs.
2046 (df_record_entry_block_defs): New function.
2047 * df-core.c: Added comments to describe new artifical defs.
2048 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2049 (entry_block_defs): New field in struct df.
2050 (df_all_hard_regs): Deleted.
2051 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2052 * df-problems.c (df_ru_bb_local_compute_process_def):
2053 Added code to handle artifical defs in the entry to a function.
2054 (df_ru_bb_local_compute): Ditto.
2055 (df_rd_bb_local_compute_process_def): Ditto.
2056 (df_rd_bb_local_compute): Ditto.
2057 (df_lr_bb_local_compute): Ditto.
2058 (df_ur_bb_local_compute): Ditto.
2059 (df_urec_bb_local_compute): Ditto.
2060 (df_chain_create_bb): Ditto.
2061 (df_ur_local_finalize): Removed entry.
2062 (df_urec_init): Ditto.
2063 (df_urec_local_finalize): Ditto.
2064 (df_ri_bb_compute): Added detection of last use of pseudos.
2065 * Makefile.in (df-scan.o): Updated dependencies.
2066 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2067 * config/mips/mips.c (mips_set_live_on_entry): Added.
2068 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2069 for target hook.
2070 * dce.c (marked_insn_p): Added code to handle artifical defs.
2072 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2074 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2075 intrinsic.
2076 (_mm_cvtsi128_si64): Likewise.
2077 (_mm_cvtsd_si64): Likewise.
2078 (_mm_cvttsd_si64): Likewise.
2079 (_mm_cvtsi64_sd): Likewise.
2080 (_mm_cvtsi64_si128): Likewise.
2081 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2082 (_mm_cvtsi64_m64): Likewise.
2083 (_m_to_int64): Likewise.
2084 (_mm_cvtm64_si64): Likewise.
2085 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2086 (_mm_cvttss_si64): Likewise.
2087 (_mm_cvtsi64_ss): Likewise.
2088 (_mm_cvtss_f32): Likewise.
2090 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2092 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2093 for pragma redefine_extname.
2095 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2097 PR target/25864
2098 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2099 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2100 -mno-minimal-toc to previous content.
2101 (bispecs): Remove goal.
2102 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2103 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2104 compatibility aliases on powerpc-*-*gnu*.
2105 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2106 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2107 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2108 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2109 (ldblspecs): New goal.
2110 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2111 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2112 _df_to_tf.
2113 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2114 L_sf_to_tf or L_df_to_tf is defined.
2116 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2117 Alan Modra <amodra@bigpond.net.au>
2119 PR target/25864
2120 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2121 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2122 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2123 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2124 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2125 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2126 (rs6000_override_options): Initialize rs6000_ieeequad.
2127 Initialize TFmode format to ibm_extended_format if not
2128 TARGET_IEEEQUAD.
2129 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2130 ieeelongdouble.
2131 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2132 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2133 (function_arg_advance): IBM long double passed in two FPRs, not
2134 split.
2135 (function_arg): IBM long double passed in FPRs.
2136 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2137 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2138 Only multireg GPR aligned.
2139 (rs6000_init_libfuncs): Enable IBM long double functions if not
2140 IEEEQUAD.
2141 (rs6000_generate_compare): Use IBM long double compare if not
2142 TARGET_IEEEQUAD.
2143 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2144 (TARGET_IEEEQUAD): Define.
2145 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2146 not TARGET_IEEEQUAD.
2147 * config/rs6000/rs6000.md: Enable TFmode patterns if
2148 !TARGET_IEEEQUAD.
2149 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2150 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2151 and -mlong-double-128 are incompatible.
2152 * doc/invoke.texi (-mabi): Collect options together. Add
2153 ibmlongdouble and ieeelongdouble.
2155 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2157 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2158 opaque type.
2159 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2160 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2161 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2162 * rtl.h (rtunion_def): Remove rt_ptr.
2163 (X0PTR): Delete.
2164 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2165 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2166 * config/i386/winnt.c (i386_pe_mark_dllexport)
2167 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2169 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2171 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2173 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2175 PR other/24829
2176 PR target/24831
2177 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2178 pthread_key_delete. From John David Anglin. gthrw-ify
2179 pthread_getunique_np only if it it's not a macro. Delete
2180 UNUSED macro.
2181 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2182 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2183 __gthread_objc_condition_signal, __gthread_key_delete): Add
2184 "__attribute__ ((__unused__))" to unused arguments.
2185 (__gthread_recursive_mutex_init_function): Add missing return.
2186 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2187 gthr-posix95.h: Use macro-based approach for name redirection
2188 on targets missing weakref.
2190 2006-01-26 Zack Weinberg <zackw@panix.com>
2192 * genconditions.c (write_header): In generated code, #ifdef out
2193 all includes and fake declarations, except includes of bconfig.h
2194 and system.h, unless GCC_VERSION >= 3001. Do not include
2195 gensupport.h in any case.
2196 (write_conditions): Generate a definition of struct c_test. Add
2197 a comment to the generated #endif.
2198 (write_one_condition): Escape backslashes in string too.
2199 (write_writer): Generated code must escape backslashes and quote
2200 marks (but not newlines) in the strings it writes.
2201 * Makefile.in (build/gencondmd.o): Update dependencies.
2203 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2205 PR target/25961
2206 * Makefile.in (insn-automata.o): Add header file dependencies.
2207 * genautomata.c: Add includes.
2209 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2211 PR target/25961
2212 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2214 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2216 * configure.ac: Expect target tools paths to be passed from the toplevel
2217 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2218 AS_SET_VAR_IF.
2219 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2221 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2223 PR c/25892
2224 * c.opt (Wpointer-sign): Init to -1.
2225 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2226 OPT_pedantic, to 0 otherwise.
2227 * doc/invoke.texi: Update.
2229 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2231 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2232 constants provided by 80387 instructions in the destination mode.
2234 2006-01-26 Richard Guenther <rguenther@suse.de>
2235 Andrew Pinski <pinskia@physics.uc.edu>
2237 PR tree-opt/21470
2238 partial PR tree-opt/17064
2239 * tree-ssa-structalias.c (intra_create_variable_infos):
2240 Create heap variables for incoming parameters if
2241 flag_argument_noalias > 1.
2242 (find_what_p_points_to): Look through default defs of
2243 parameter decls.
2245 2006-01-26 Jeff Law <law@redhat.com>
2247 PR ada/25900
2248 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2249 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2250 within the VR_RANGE, use the VR_RANGE as the result, not the
2251 VR_ANTI_RANGE.
2252 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2253 bounds for the type.
2255 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2257 * tree-ssa-alias.c (maybe_create_global_var): Change
2258 subvar walking to an assertion that we don't have subvar'd variables.
2260 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2262 PR C/25861
2263 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2264 Use a new variable, inner. PARM_DECLs are always non-weak.
2266 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2268 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2269 --disable-checking.
2271 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2273 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2275 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2277 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2278 (smax_insn, smin_insn, smax_0, smin_0): New.
2280 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2282 PR target/25947
2283 * config/cris/cris.c (cris_order_for_addsi3): New function.
2284 * config/cris/cris-protos.h: Prototype it.
2285 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2286 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2287 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2288 (split for "op.S1 [rx=rx+i],ry (swapped)")
2289 (split for "op(s|u).S1 [rx=rx+i],ry")
2290 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2291 Apply cris_order_for_addsi3 when generating addsi3 insns.
2293 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2295 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2296 (TREE_BLOCK): Add call to EXPR_CHECK.
2298 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2300 PR 25886
2301 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2302 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2303 (dump_omp_clauses): ... here.
2304 (dump_generic_node): Handle OMP_CLAUSE.
2305 * tree.c (omp_clause_num_ops): New.
2306 (omp_clause_code_name): New.
2307 (tree_code_size): Handle OMP_CLAUSE.
2308 (tree_size): Likewise.
2309 (make_node): Document handling of OMP_CLAUSE.
2310 (tree_node_structure): Handle OMP_CLAUSE.
2311 (omp_clause_check_failed): New.
2312 (omp_clause_range_check_failed): New.
2313 (omp_clause_operand_check_failed): New.
2314 (build_omp_clause): New.
2315 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2316 * tree.h (enum omp_clause_code): Declare.
2317 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2318 (OMP_CLAUSE_RANGE_CHECK): Define.
2319 (OMP_CLAUSE_ELT_CHECK): Define.
2320 (omp_clause_check_failed): Declare.
2321 (omp_clause_operand_check_failed): Declare.
2322 (omp_clause_range_check_failed): Declare.
2323 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2324 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2325 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2326 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2327 (OMP_CLAUSE_IF_EXPR): Likewise.
2328 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2329 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2330 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2331 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2332 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2333 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2334 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2335 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2336 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2337 (OMP_CLAUSE_CODE): Define.
2338 (OMP_CLAUSE_SET_CODE): Define.
2339 (OMP_CLAUSE_CODE): Define.
2340 (OMP_CLAUSE_OPERAND): Define.
2341 (struct tree_omp_clause): Declare.
2342 (union tree_node): Add field 'omp_clause'.
2343 * treestruct.def (TS_OMP_CLAUSE): Define.
2344 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2345 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2346 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2347 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2348 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2349 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2350 (OMP_CLAUSE): Define.
2351 * print-tree.c (print_node): Handle OMP_CLAUSE.
2352 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2353 * c-typeck.c: Likewise.
2354 * gimplify.c: Likewise.
2355 * c-omp.c: Likewise.
2356 * tree-nested.c: Likewise.
2357 * tree-inline.c: Likewise.
2358 * c-parser.c: Likewise.
2359 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2360 clauses.
2362 2006-01-25 Roger Sayle <roger@eyesopen.com>
2364 PR rtl-optimization/25703
2365 * combine.c (try_combine): Handle zero_extract and strict_low_part
2366 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2368 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2370 * global.c: Fix comment typos.
2372 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2374 PR target/25758
2375 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2376 Use output_addr_const instead of assemble_name.
2378 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2380 * Makefile.in (sched-vis.o): Update dependencies.
2381 * haifa-sched.c (sched_finish): Clear current_sched_info.
2382 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2383 (dump_flow_info): Call it.
2384 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2385 a slim RTL dump.
2386 * basic-block.h (dump_bb_info): Declare.
2387 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2388 option, and apply options only for dump files whose TDF_RTL,
2389 TDF_TREE, or TDF_IPA bits match.
2390 * rtl.h: Declare new functions exported from sched-vis.c.
2391 * sched-vis.c: Enable also if scheduling is not used.
2392 (print_value): Print the mode of registers if not inside scheduling.
2393 (print_insn): Make it work outside the scheduler. Beautify the output
2394 a bit.
2395 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2397 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2399 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2400 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2401 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2402 depending on the value of CONSTANT_POOL_ADDRESS_P.
2403 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2404 SYMBOL_REF_DECL.
2405 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2406 rather than SYMBOL_REF_DECL.
2407 (rtx_constant_pool): Remove const_rtx_sym_htab.
2408 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2409 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2410 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2411 Remove handling of const_rtx_sym_htab.
2412 (find_pool_constant): Delete.
2413 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2414 rather than find_pool_constant.
2415 (get_pool_constant_for_function): Delete.
2416 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2417 find_pool_constant.
2418 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2419 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2420 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2421 (SYMBOL_REF_CONSTANT): New macro.
2422 (get_pool_constant_for_function): Delete.
2423 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2424 rather than SYMBOL_REF_DECL.
2425 (i386_pe_mark_dllimport): Likewise.
2426 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2427 rather than SYMBOL_REF_DECL.
2428 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2429 (machopic_indirect_call_target): Likewise.
2431 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2433 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2435 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2437 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2439 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2441 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2443 2006-01-24 David Daney <ddaney@avtrex.com>
2445 PR java/25816
2446 * configure.ac (enable_tls): New enable option.
2447 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2448 * configure: Regenerate.
2449 * doc/install.texi (--enable-tls): Document new option.
2450 (--disable-tls): Ditto.
2452 2006-01-24 Richard Henderson <rth@redehat.com>
2454 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2455 * alias.c (true_dependence): Respect it.
2456 (canon_true_dependence, write_dependence_p): Likewise.
2457 * builtins.c (get_builtin_sync_mem): Set it.
2459 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2461 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2462 efficient way.
2464 2006-01-24 DJ Delorie <dj@redhat.com>
2466 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2467 for storing constants in single-bit bitfields.
2469 2006-01-25 Ben Elliston <bje@au.ibm.com>
2471 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2473 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2475 PR tree-opt/25860
2476 * tree-ssa-pre.c (phi_translate): Return NULL
2477 for AGGREGATE_TYPE's.
2479 2006-01-24 Zack Weinberg <zackw@panix.com>
2481 * genautomata.c (process_state_for_insn_equiv_partition):
2482 Use xcalloc for insn_arcs_array.
2483 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2484 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2486 2006-01-24 Richard Henderson <rth@redhat.com>
2488 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2489 update all callers.
2491 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2493 PR rtl-optimization/25890
2494 PR rtl-optimization/25905
2495 * combine.c (expand_compound_operation, expand_field_assignment):
2496 Fail if the bitfield's final position is out of bounds.
2498 2006-01-24 Ian Lance Taylor <ian@airs.com>
2500 PR middle-end/25930
2501 * cgraphunit.c (cgraph_output_in_order): Don't clear
2502 cgraph_asm_nodes until after asm strings have been output.
2504 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2506 * fix-header.c (read_scan_file): Add new parameter imultilib when
2507 calling register_include_chains.
2509 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2511 * omp-low.c: Update documentation.
2513 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2514 Daniel Berlin <dberlin@dberlin.org>
2516 PR tree-opt/25315
2517 PR tree-opt/25857
2518 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2519 return from the function.
2521 2006-01-22 Zack Weinberg <zackw@panix.com>
2523 * rtl.def (match_code): Add second argument.
2524 * genpreds.c (write_extract_subexp): New function.
2525 (write_match_code): Add path argument. Use write_extract_subexp.
2526 (write_predicate_expr): Pass path to write_match_code.
2527 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2528 not perform a mode test.
2529 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2530 a subexpression does not constrain the top-level code set.
2531 * read-rtl.c (read_rtx_variadic): New function.
2532 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2533 * doc/md.texi: Document new notation.
2534 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2535 (cmpsi_operand): ... here, using new notation.
2537 2006-01-22 Zack Weinberg <zackw@panix.com>
2539 * varray.c: Remove GENERATOR_FILE #ifdefs.
2541 2006-01-22 Zack Weinberg <zackw@panix.com>
2543 * genautomata.c (output_reserved_units_table): Emit nothing if
2544 description->query_units_num is zero. Remove extra blank line.
2545 (output_cpu_unit_reservation_p): Short circuit
2546 if description->query_units_num is zero.
2548 2006-01-22 Zack Weinberg <zackw@panix.com>
2550 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2551 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2552 nor any of the random handful of variables that used to be necessary
2553 when this program was linked with rtlanal.o. Prune set of forward
2554 function declarations.
2555 (struct attr_desc): Remove static_p field.
2556 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2557 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2558 (attr_string): Do not read the character one past the length of
2559 the string.
2560 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2561 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2562 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2563 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2564 (make_automaton_attrs): New.
2565 (main): Do not call into genautomata. Call local gen_bypass
2566 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2567 Remove special case for insn_alts.
2568 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2569 varray.h (leftover from previous change). Prune set of forward
2570 function declarations. Remove state_alts fields from all
2571 structures. Remove state_alts_table from struct automaton.
2572 Make everything except main static. Do not maintain num_dfa_decls.
2573 Do not maintain state_alts fields of various structures.
2574 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2575 (add_arc): Remove state_alts argument. All callers updated.
2576 (output_reserved_units_table): Emit #ifdef here...
2577 (output_tables): ...not here. Don't generate state_alts tables.
2578 (expand_automata): Don't generate attributes.
2579 (write_automata): Don't generate state_alts functions.
2580 (main): New function.
2581 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2582 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2583 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2584 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2585 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2586 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2587 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2588 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2589 Delete.
2590 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2591 * genattrtab.h: Delete file.
2592 * Makefile.in (OBJS-common): Add insn-automata.o.
2593 (insn-automata.o): New rule.
2594 (simple_generated_c): Add insn-automata.c.
2595 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2596 (genprogmd): Add automata.
2597 (build/genattrtab): Needs no extra objects nor libraries.
2598 (build/genautomata): Needs build/vec.o and -lm.
2600 2006-01-22 Zack Weinberg <zackw@panix.com>
2602 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2603 (output_dfa_max_issue_rate, locked_states_num): Delete.
2604 (struct automaton): Add locked_states field.
2605 (output_dead_lock_vect): Save number of locked states in
2606 automaton->locked_states. If it is zero, don't print anything.
2607 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2608 (output_internal_dead_lock_func): Only test the dead_lock_vect
2609 for automata that have locked states.
2610 (output_statistics): Always print the number of locked states for
2611 each automaton. Calculate total number of locked states here.
2612 (write_automata): Don't call output_dfa_max_issue_rate.
2613 * genattrtab.c: Define length_unit_log as a const variable.
2614 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2615 max_insn_queue_index const.
2616 * final.c (length_unit_log): Declare const.
2617 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2619 2006-01-22 Zack Weinberg <zackw@panix.com>
2621 * genautomata.c: Include vec.h, not varray.h.
2622 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2623 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2624 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2625 VEC_* macros operating on appropriately typed vectors, or to
2626 malloced arrays when the size is known in advance. Const-ify
2627 many char* variables and function arguments. No functional changes.
2628 * Makefile.in (build/varray.o): Delete rule.
2629 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2630 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2632 2006-01-22 Zack Weinberg <zackw@panix.com>
2634 * gensupport.c: Define get_insn_name and record_insn_name here.
2635 (read_md_rtx): Call record_insn_name as appropriate.
2636 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2637 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2638 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2639 record_insn_name.
2640 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2641 (BUILD_VARRAY): Delete.
2642 (genprognormal): Rename genprogmd. Fold in all programs from
2643 genprognoprint; also attrtab.
2644 (build/genattrtab): Just mention genautomata.o and varray.o.
2645 Reorganize a bit, add comments to make the categories clearer.
2647 2006-01-22 Zack Weinberg <zackw@panix.com>
2649 * genconditions.c (condition_table, add_condition): Delete.
2650 (write_conditions): Don't emit n_insn_conditions nor
2651 insn_elision_unavailable. Issue the gcc version #ifdef here,
2652 inside the table, with no #else clause ...
2653 (write_header): ...not here.
2654 (write_writer): New function.
2655 (main): Don't initialize condition_table. Use add_c_test.
2656 Call write_writer.
2657 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2658 files on the command line.
2659 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2660 Return -1 if there is no entry in the table, don't abort.
2661 (add_c_test, traverse_c_tests): New functions.
2662 * gensupport.h (insn_elision_unavailable, insn_conditions)
2663 (n_insn_conditions): Delete declarations.
2664 (add_c_test, traverse_c_tests): Declare.
2665 * read-rtl.c: Include gensupport.h.
2666 (read_conditions): New function.
2667 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2668 (read_rtx_1): If we get EOF when we were looking for an initial
2669 open paren, return 0. Call read_conditions when appropriate.
2670 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2671 dummy-conditions.o. Eliminate references to insn-conditions.o,
2672 or change them to build/gencondmd.o, as appropriate. Remove
2673 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2674 from $(simple_generated_c). For all files remaining in those
2675 two lists, add insn-conditions.md to the generator command line.
2676 Give insn-constants.h/s-constants their own rules. Add rules
2677 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2678 (build/read-rtl.o): Depend on gensupport.h.
2679 (genprognormal): Include preds.
2680 (genprogearly): Rename genprognoprint; only difference is now that
2681 they don't link with $(BUILD_PRINT).
2682 * dummy-conditions.c: Delete.
2684 2006-01-22 Zack Weinberg <zackw@panix.com>
2686 * genextract.c: Don't include insn-config.h. Do include vec.h.
2687 Declare vectors of int, char, and locstr.
2688 (locstr): New typedef.
2689 (struct extraction): Make all array fields into bare pointers.
2690 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2691 (insn_code_number): Delete.
2692 (accum_extract): New struct.
2693 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2694 (gen_insn): Take insn_code_number as an argument. Use an
2695 accum_extract structure instead of loading data directly into
2696 a struct extraction, and having to know how big it might get.
2697 (walk_rtx): Operate entirely on an accum_extract structure.
2698 (print_path): Avoid unnecessary use of printf.
2699 (print_header): New function, split out of main. Distinguish
2700 more carefully between an unrecognizable insn and an insn that
2701 has the code number of a define_expand.
2702 (main): Pass insn_code_number to gen_insn. Call print_header
2703 only after parsing. Avoid unnecessary use of printf.
2704 * Makefile.in (build/vec.o): New rule.
2705 (build/genextract): Depend on build/vec.o.
2706 (build/genextract.o): Don't depend on insn-config.h.
2708 2006-01-22 Zack Weinberg <zackw@panix.com>
2710 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2711 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2712 practical. Eliminate per-generator-program link rules.
2714 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2716 PR middle-end/24437
2717 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2718 with a call expr to ...
2719 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2721 2006-01-23 Richard Guenther <rguenther@suse.de>
2723 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2724 before make_edge with conditional EDGE_TRUE_VALUE.
2726 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2727 Jan Hubicka <jh@suse.cz>
2728 Richard Guenther <rguenther@suse.de>
2730 PR rtl-optimization/25654
2731 * cfgexpand.c (aggregate_contains_union_type): New function.
2732 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2733 for structure variables that contain a union type.
2735 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2737 * gengtype.c (new_structure): Return the structure.
2738 (create_option): Add an extra "next" argument.
2739 (create_field): New function.
2740 (adjust_field_rtx_def): Use create_option and create_field.
2741 Remove a now-unnecessary call to find_structure.
2742 (adjust_field_tree_def): Likewise.
2743 (note_yacc_type): Remove an unnecessary call to find_structure.
2744 * gengtype.h (new_structure): Return the structure.
2745 (create_option): Add an extra argument.
2746 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2747 (option): Adjust calls to create_option.
2749 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2751 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2753 2006-01-22 Paul Brook <paul@codesourcery.com>
2754 Peter Barada <peter@the-baradas.com>
2756 * config/m68k/m68k.md: Add Coldfire FPU support.
2757 Define FP mode macro and associated attributes.
2758 Use it for float mode patterns.
2759 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2760 (LIBCALL_VALUE): Use m68k_libcall_value.
2761 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2762 (m68k_function_value): Ditto.
2763 (emit_move_sequence): Ditto.
2764 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2765 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2766 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2767 (MULTILIB_EXCEPTIONS): Ditto.
2768 * config/m68k/m68k.opt: Add mcfv4e.
2769 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2770 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2771 (m68k_output_function_prologue): Save ColdFire FPU registers.
2772 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2773 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2774 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2775 ColdFire FPU registers.
2776 (m68k_libcall_value, m68k_function_value): New functions.
2777 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2778 (LIBCALL_VALUE): Use m68k_libcall_value.
2779 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2780 (MASK_COLDFIRE): Add MASK_CFV4E.
2781 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2782 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2783 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2784 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2785 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2786 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2787 * doc/invoke.tex: Document -mcfv4e on m68k.
2789 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2791 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2792 URL.
2794 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2796 PR c++/16190
2797 * c-opts.c (c_common_handle_option): Don't include
2798 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2799 * doc/invoke.texi (C++ Dialect Options): Document that
2800 -Wnon-virtual-dtor is no longer included in -Wall.
2802 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2804 * gcov.c (print_version), gcov-dump.c (print_version),
2805 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2806 dates.
2808 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2810 * df-scan.c (problem_SCAN): Added NULL reset function.
2811 (df_scan_reset_blocks): Added code to call reset block function
2812 (df_bb_refs_delete) Fixed comment.
2813 (df_insn_refs_delete): Made tolerant of deleting non existent info
2814 for dataflow problems that need to be reset.
2815 * df-core.c (df_set_blocks): Ditto.
2816 * df.h (struct df_problem): Added reset_fun.
2817 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2818 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2819 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2820 functions to clear out all references to def-use or use-def chains.
2822 2006-01-21 Ben Elliston <bje@au.ibm.com>
2824 * varasm.c (assemble_real): Initialise data array.
2826 2006-01-20 Paul Brook <paul@codesourcery.com>
2828 Merge from csl-arm-branch.
2829 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2830 * config/arm/arm.md (movdi): Force operands[1] to a register
2831 if we have a non-register source.
2832 (*arm_movdi, *movdf_soft_insn): Require that one of the
2833 operands be a register.
2834 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2835 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2837 2006-01-20 DJ Delorie <dj@redhat.com>
2839 * varasm.c (initialize_constant_valid_p): Allow pointers
2840 initialized from integer constants of lesser precision.
2841 (output_constant): Allow non-int-sized pointer modes to be
2842 initialized from integer constants.
2844 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2846 PR libstdc++/25524
2847 * cppdefault.h (struct default_include): Add multilib flag.
2848 * cppdefault.c (cpp_include_defaults): Set it.
2849 * c.opt (-imultilib): New option.
2850 * c-opts.c (imultilib): New.
2851 (c_common_handle_option): Handle -imultilib.
2852 (c_common_post_options): Likewise.
2853 * c-incpath.c (add_standard_paths, register_include_chains):
2854 Likewise.
2855 * c-incpath.h (register_include_chains): Add extra parameter.
2856 * gcc.c (do_spec_1): Generate -imultilib option.
2857 (The Specs Language): Update %I description.
2858 (process_command): Update copyright notice.
2859 * doc/cppopts.texi (-imultilib): Document.
2860 * doc/invoke.texi (-imultilib): Include in option summary.
2861 (%I): Update specs documentation.
2863 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2865 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2867 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2869 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2870 label numbers.
2872 2006-01-20 Richard Guenther <rguenther@suse.de>
2873 Steven Bosscher <stevenb.gcc@gmail.com>
2875 PR rtl-optimization/24626
2876 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2877 EDGE_TRUE_VALUE if in RTL mode.
2879 Revert
2880 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2881 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2883 2006-01-20 Dirk Mueller <dmueller@suse.com>
2885 PR c++/5520
2886 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2887 instead of a special NOP marker.
2888 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2889 NOP marker handling.
2890 * c-common.h (empty_body_warning): Add forward declaration.
2891 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2892 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2894 2006-01-20 Paul Brook <paul@codesourcery.com>
2896 * Makefile.in (lang_checks): Keep going if mkdir fails.
2898 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2900 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2901 be able to clean out basic block when not necessary.
2902 (df_scan_free): Fixed to properly delete information if df is
2903 unused before calling df_finish.
2904 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2905 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2906 or comment typos.
2907 (df_bb_refs_delete): New function.
2908 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2909 * df-core.c (df_set_blocks): Added code to properly clean out
2910 unused blocks if they are not part of the blocks to consider.
2911 Added additional null check.
2912 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2913 be able to clean out basic block when not necessary
2914 * df.h (df_free_bb_function): Ditto.
2915 (df_bb_refs_delete): New function.
2916 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2917 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2918 basic block parameter to be able to clean out basic block when not
2919 necessary.
2920 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2921 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2922 Fixed to properly delete information if df is unused before
2923 calling df_finish.
2925 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2927 PR rtl-optimization/25799
2928 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2929 Corrected confluence operator to remove bits from op2 before oring
2930 with op1 rather than removing bits from op1.
2931 (df_ru_transfer_function): Corrected test on wrong bitmap which
2932 caused infinite loop. Both of these problems were introduced in
2933 the dataflow rewrite.
2935 2006-01-19 DJ Delorie <dj@redhat.com>
2937 * reload1.c (find_reload_regs): Note the details of reload
2938 failures in the dump file.
2939 (spill_failure): Likewise.
2941 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2943 * loop-iv.c: Include df.h and hashtab.h.
2944 (enum iv_grd_result): New enum.
2945 (DF_REF_IV, DF_REF_IV_SET): New macros.
2946 (struct biv_entry): New.
2947 (df, bivs): New global variables.
2948 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2949 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2950 Removed.
2951 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2952 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2953 analyzed_for_bivness_p, record_biv): New functions.
2954 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2955 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2956 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2957 UD chains.
2958 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2959 analysed.
2960 (iv_number_of_iterations): Use new interface to iv analysis.
2961 * loop-unroll.c: Do not include varray.h.
2962 (analyze_iv_to_split_insn): Use new interface to iv
2963 analysis.
2964 * loop-unswitch.c (may_unswitch_on): Ditto.
2965 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2966 allocated.
2967 (df_bb_modify): Realloc tables to the new index.
2968 (df_find_use): New function.
2969 * df.h (df_find_use): Declare.
2970 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2971 outmode.
2972 * cfgloop.h (struct rtx_iv): Remove analysed field.
2973 (iv_get_reaching_def): Removed.
2974 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2975 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2976 (loop-iv.o): Add df.h and hashtab.h dependency.
2977 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2979 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2981 PR target/25668
2982 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2983 Double TFmode.
2984 (__floatundisf, __floatundidf): Likewise.
2985 * libgcc2.h (IS_IBM_EXTENDED): Define.
2987 2006-01-19 DJ Delorie <dj@redhat.com>
2989 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2991 2006-01-19 Paul Brook <paul@codesourcery.com>
2993 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2994 as nothrow when unwinding tables are disabled.
2996 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2998 PR testsuite/25171
2999 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3000 of bit-field" when in system header.
3002 2006-01-19 DJ Delorie <dj@redhat.com>
3004 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3005 the 16 bit shift limit of the m16c.
3007 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3009 PR target/22099
3010 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3011 * config/i386/i386.c (output_set_got): Output the label if we have one
3012 for the TARGET_DEEP_BRANCH_PREDICTION case.
3014 2006-01-19 Jan Hubicka <jh@suse.cz>
3015 H.J. Lu <hongjiu.lu@intel.com>
3016 Evandro Menezes <evandro.menezes@amd.com>
3018 * invoke.texi (generic): Document
3019 (i686) Update.
3020 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3021 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3022 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3023 (x86_use_incdec, x86_pad_returns): New variables
3024 (TARGET_CPU_DEFAULT_generic): New constant
3025 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3026 (enum processor_type): Add generic32 and generic64.
3027 * i386.md (cpu attribute): Add generic32/generic64
3028 (movhi splitter): Behave sanely when both partial_reg_dependency and
3029 partial_reg_stall are set.
3030 (K8 splitters): Enable for generic as well.
3031 * predicates.md (incdec_operand): Use TARGET_INCDEC
3032 (aligned_operand): Avoid memory mismatch stalls.
3033 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3034 * ppro.md: Enable for generic32
3035 * i386.c (generic64_cost, generic32_cost): New.
3036 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3037 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3038 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3039 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3040 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3041 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3042 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3043 x86_accumulate_outgoing_args, x86_prologue_using_move,
3044 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3045 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3046 Enable for generic.
3047 (x86_use_incdec, x86_pad_returns): New.
3048 (override_options): Add generic32 and generic64, translate "generic"
3049 to generic32/generic64 and "i686" to "generic32", refuse
3050 "generic32"/"generic64" as arch target.
3051 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3052 (ix86_reorg): Honor PAD_RETURNS.
3054 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3056 * tree-pretty-print.c (dump_generic_node): Handle
3057 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3058 * cgraph.c (cgraph_expand_queue): Rename from
3059 cgraph_analyze_queue. Update all users.
3060 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3061 cgraph_expand_queue.
3062 (cgraph_expand_all_functions): Likewise.
3063 (cgraph_finalize_pending_functions): Remove. Update callers.
3065 * tree.h (OMP_DIRECTIVE_P): Define.
3066 (OMP_PARALLEL_FN): Define.
3067 (OMP_PARALLEL_DATA_ARG): Define.
3068 (OMP_SECTIONS_SECTIONS): Define.
3069 * tree-pass.h (pass_expand_omp): Declare.
3070 * omp-low.c (struct omp_region): Declare.
3071 (struct omp_context): Remove fields 'parallel_type',
3072 'parallel_start_ix' and 'parallel_start_additional_args'.
3073 Update all users.
3074 (struct omp_for_data): Rename from struct expand_omp_for_data.
3075 (omp_regions): New static variable.
3076 (root_omp_region): New static variable.
3077 (find_omp_clause): Make static.
3078 (is_in_combined_parallel_ctx): Remove.
3079 (is_combined_parallel): New.
3080 (extract_omp_for_data): Move earlier in the file.
3081 (workshare_safe_to_combine_p): New.
3082 (get_ws_args_for): New.
3083 (determine_parallel_type): Move earlier in the file.
3084 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3085 child function.
3086 (omp_copy_decl): Likewise.
3087 (create_omp_child_function): Likewise.
3088 (lookup_omp_region): New.
3089 (dump_omp_region): New.
3090 (debug_omp_region): New.
3091 (debug_all_omp_regions): New.
3092 (new_omp_region): New.
3093 (scan_omp_parallel): If parallel_nesting_level > 1, the
3094 directive is nested within another parallel directive.
3095 Set OMP_PARALLEL_FN.
3096 (scan_omp_for): Do not try to handle combined parallel+for
3097 cases.
3098 Remove FIXME comment.
3099 (scan_omp_nested): Remove.
3100 (scan_omp_1): Do not call scan_omp_nested when
3101 parallel_nesting_level is > 1.
3102 Do not change the DECL_CONTEXT of local variables found.
3103 (lookup_decl_in_outer_ctx): New.
3104 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3105 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3106 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3107 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3108 If CTX is nested, lookup VAR in the outer context when
3109 building copy assignment.
3110 (lower_send_clauses): Rename from expand_send_clauses.
3111 If CTX is nested, lookup VAR in the outer context when
3112 building copy assignments.
3113 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3114 If CTX is nested, lookup VAR in the outer context when
3115 building copy assignments.
3116 (expand_parallel_call): Rename from build_parallel_call.
3117 Handle combined parallel+workshare cases.
3118 Re-implement to emit code into the CFG.
3119 (list2chain): New.
3120 (expand_omp_parallel): Re-implement to emit code into the CFG.
3121 Call move_sese_region_to_fn to outline the sub-graph
3122 containing the parallel region.
3123 (expand_omp_for_1): Remove.
3124 (expand_omp_for_generic): Re-implement to emit code into the
3125 CFG.
3126 (expand_omp_for_static_nochunk): Likewise.
3127 (expand_omp_for_static_chunk): Likewise.
3128 (expand_omp_for): Likewise.
3129 (expand_omp_sections): Likewise.
3130 (remove_exit_barriers): New.
3131 (expand_omp_synch): New.
3132 (expand_omp): New.
3133 (build_omp_regions_1): New.
3134 (build_omp_regions): New.
3135 (execute_expand_omp): New.
3136 (gate_expand_omp): New.
3137 (pass_expand_omp): Define.
3138 (lower_omp_sections): Rename from expand_omp_sections.
3139 Set OMP_SECTIONS_SECTIONS.
3140 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3141 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3142 (lower_omp_single): Rename from expand_omp_simple.
3143 (lower_omp_master): Rename from expand_omp_master.
3144 (lower_omp_ordered): Rename from expand_omp_ordered.
3145 (lower_omp_critical): Rename from expand_omp_critical.
3146 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3147 (lower_omp_for): Re-implement.
3148 (lower_omp_parallel): Re-implement.
3149 (lower_regimplify): Rename from expand_regimplify.
3150 (lower_omp_1): Rename from expand_omp_1.
3151 If there are syntax errors in the program, replace every
3152 OpenMP directive with NOP.
3153 Call lower_omp_* instead of expand_omp_*.
3154 (lower_omp): Rename from expand_omp.
3156 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3157 * tree-gimple.h (enum omp_parallel_type): Remove.
3158 (gimple_boolify): Declare extern.
3159 (find_omp_clause, determine_parallel_type): Remove.
3161 * gimple-low.c (lower_omp_directive): New.
3162 (lower_stmt): Call it.
3163 (record_vars_into): Move from ...
3164 (record_vars): ... here.
3165 Call record_vars_into with current_function_decl.
3167 * gimplify.c (struct gimplify_ctx): Remove fields
3168 combined_pre_p and combined_ctxp. Update users.
3169 (get_formal_tmp_var): Add documentation.
3170 (gimple_boolify): Make extern.
3171 (gimplify_expr_in_ctx): Remove. Update callers.
3172 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3173 will always be a BIND_EXPR.
3174 (gimplify_expr): Handle OMP_RETURN_EXPR.
3175 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3176 (OMP_PARALLEL): Add 3 operands.
3177 (OMP_SECTIONS): Add 1 operand.
3178 (OMP_RETURN_EXPR): Define.
3180 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3181 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3182 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3183 creating a circular free list.
3184 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3186 * tree-flow.h (move_sese_region_to_fn): Declare.
3187 (record_vars_into): Declare.
3188 * tree-cfg.c (make_omp_sections_edges): New.
3189 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3190 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3191 OMP_SECTIONS and OMP_SECTION.
3192 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3193 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3194 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3195 (gather_blocks_in_sese_region): New.
3196 (struct move_stmt_d): Declare.
3197 (move_stmt_r): New.
3198 (move_block_to_fn): New.
3199 (move_sese_region_to_fn): New.
3201 * passes.c (init_optimization_passes): Schedule
3202 pass_expand_omp after pass_init_datastructures.
3204 * tree-ssa-operands.c (get_expr_operands): Handle
3205 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3206 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3208 2006-01-19 Jeff Law <law@redhat.com>
3210 * tree-vrp.c (extract_range_from_assert): Refine the result range
3211 if the variable referenced by the ASSERT_EXPR has a range and
3212 either the tentative result range or the previous range is a
3213 VR_ANTI_RANGE.
3215 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3217 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3219 2006-01-19 Jan Hubicka <jh@suse.cz>
3221 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3223 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3225 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3226 (expand_compound_operation, expand_field_assignment): Fail if the
3227 bit lengths of an extract operation are out of range.
3228 (make_extraction): Compute wanted_inner_mode based on the position
3229 and length of the extraction. Make it extraction_mode for non-constant
3230 positions, and do not modify offset in that case. When generating a
3231 new MEM, use a mode that can hold the extraction while keeping correct
3232 alignment. Remove code that supported MEMs wrapped by USEs.
3233 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3235 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3237 * config/s390/s390.md ("Y", "y"): New mode attribute.
3238 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3239 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3240 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3241 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3242 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3243 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3244 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3245 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3246 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3247 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3248 "addsi3", "subsi3"): Insn patterns removed.
3249 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3250 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3251 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3252 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3253 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3254 "*sub<mode>3_cconly2"): New insn patterns.
3255 ("addsi3", "subsi3"): New expanders.
3257 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3259 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3260 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3261 existing STMT_VINFO_VECTYPE if available.
3262 (vect_mark_relevant): Add special handling for stmts that are
3263 marked as STMT_VINFO_IN_PATTERN_P.
3264 (vect_analyze_loop): Call vect_pattern_recog.
3265 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3266 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3267 stmt_info.
3268 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3269 (vect_recog_func_ptr): New function-pointer type.
3270 * tree-vect-patterns.c: New file.
3271 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3272 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3273 (vect_pattern_recog_1): New functions.
3274 (vect_pattern_recog_funcs): New array of function pointers.
3276 * tree-vectorizer.h (ternary_op): New enum value.
3277 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3278 declaration. Revised documentation. Removed redundant dump prints.
3279 Removed redundant argument. Added support for reduction patterns.
3280 (vectorizable_reduction): Added support for reduction patterns.
3281 (vect_transform_stmt): Added support for patterns.
3283 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3284 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3285 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3286 (expand_widen_pattern_expr): New function.
3287 (init_optabs): Initialize new optabs udot_prod_optab,
3288 sdot_prod_optab.
3289 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3290 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3291 (expand_widen_pattern_expr): New function declaration.
3292 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3293 tree-codes.
3294 * tree-inline.c (estimate_num_insns_1): Added cases for new
3295 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3296 * tree-pretty-print.c (dump_generic_node): Likewise.
3297 (op_prio): Likewise.
3298 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3299 * tree-ssa-operands.c (get_expr_operands): Added case for
3300 DOT_PROD_EXPR.
3301 * tree-vect-patterns.c (widened_name_p): New function.
3302 (vect_recog_dot_prod_pattern): Added function implementation.
3303 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3304 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3305 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3306 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3308 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3309 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3310 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3311 (init_optabs): Initialize new optabs widen_ssum_optab,
3312 widen_usum_optab.
3313 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3314 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3315 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3316 use instead of type of def.
3317 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3318 function implementation.
3319 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3320 widen_ssumv8hi): New.
3322 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3323 patterns.
3325 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3327 PR c/25805
3328 * c-decl.c (add_flexible_array_elts_to_size): New function.
3329 (finish_decl): Use it.
3331 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3333 * diagnostic.h: Include options.h.
3334 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3335 dependancies for diagnostic.h.
3336 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3338 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3340 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3341 (ssa_ro_call_cache_valid): Ditto.
3342 * tree-ssa-alias.c (sort_tags_by_id): New function.
3343 (init_transitive_clobber_worklist): Ditto.
3344 (add_to_worklist): Ditto.
3345 (mark_aliases_call_clobbered): Ditto.
3346 (compute_tag_properties): Ditto.
3347 (set_initial_properties): Ditto.
3348 (compute_call_clobbered): Ditto.
3349 (compute_may_aliases): Call compute_call_clobbered and grouping.
3350 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3351 (compute_flow_insensitive_aliasing): Grouping now happens in our
3352 caller.
3353 (setup_pointers_and_addressables): Remove clobbering related code.
3354 (add_may_alias): Ditto.
3355 (replace_may_alias): Ditto.
3356 (get_nmt_for): Ditto.
3357 (create_global_var):
3358 (is_escape_site): Return an escape_type enumeration.
3359 * tree-flow-inline.h (is_call_clobbered): Global var does not
3360 imply call clobbered.
3361 (mark_call_clobbered): Take a reason for marking this. Remove
3362 marking of globalness, and cache invalidation.
3363 (clear_call_clobbered): Remove cache invalidation code.
3364 * tree-dfa.c (dump_variable): If details is on, dump the reason
3365 for escaping.
3366 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3367 variable.
3368 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3369 (struct var_ann_d): Ditto.
3370 (enum escape_type): New.
3371 (mark_call_clobbered): Adjust prototype.
3372 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3373 are never call clobbered.
3374 Record reasons for escaping.
3375 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3376 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3377 (ssa_ro_call_cache_valid): Ditto.
3378 (clobbered_v_may_defs): Ditto.
3379 (clobbered_vuses): Ditto.
3380 (ro_call_vuses): Ditto.
3381 (clobber_stats): New.
3382 (init_ssa_operands): Zero out clobber stats.
3383 (fini_ssa_operands): Print out clobber stats.
3384 (get_call_expr_operands): Pass callee fndecl to
3385 add_call_read_ops).
3386 (add_call_clobber_ops): Remove use of cache.
3387 Add use of PURE_CONST information.
3388 (add_call_read_ops): Remove use of cache.
3389 Add use of static not_read information.
3391 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3393 Introduce TLS descriptors for i386 and x86_64.
3394 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3395 (TARGET_ANY_GNU_TLS): New macro.
3396 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3397 (struct machine_function): Add tls_descriptor_call_expanded_p.
3398 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3399 (ix86_current_function_calls_tls_descriptor): Likewise.
3400 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3401 (override_options): Introduce gnu2 tls dialect.
3402 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3403 not leaves.
3404 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3405 Likewise.
3406 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3407 (ix86_init_machine_status): Initialize new field.
3408 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3409 (ix86_tls_module_base): New.
3410 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3411 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3412 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3413 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3414 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3415 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3416 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3417 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3418 * config/i386/predicates.md (tls_modbase_operand): New.
3419 (tp_or_register_operand): New.
3421 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3423 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3424 (look_for_address_of): Ditto.
3425 (ipa_init): Walk the function decls.
3426 (static_execute): Don't set readonly on FUNCTION_DECL's.
3428 2006-01-18 Roger Sayle <roger@eyesopen.com>
3430 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3431 for shifts where the source and destination registers are different.
3433 2006-01-18 Paul Brook <paul@codesourcery.com>
3435 Merge from csl-arm-branch.
3436 2005-03-14 Julian Brown <julian@codesourcery.com>
3437 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3438 (aeabi_llsl): Likewise.
3439 (ashrdi3): Likewise.
3440 (aeabi_lasr): Likewise.
3441 (lshrdi3): Likewise.
3442 (aeabi_llsr): Likewise.
3443 2005-03-10 Julian Brown <julian@codesourcery.com>
3444 * config.gcc: Disable shared libgcc for SymbianOS.
3445 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3447 2006-01-18 DJ Delorie <dj@redhat.com>
3449 * c-pragma.c (handle_pragma_diagnostic): New.
3450 (init_pragma): Register it.
3451 * doc/extend.texi: Document it.
3453 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3454 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3455 (diagnostic_context): Add classify_diagnostic[].
3456 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3457 as errors if they're overridden to DK_WARNING.
3458 (diagnostic_initialize): Initialize classify_diagnostic[].
3459 (diagnostic_set_kind_override): New.
3460 (diagnostic_report_diagnostic): Check for kind changes.
3461 * opts.c (common_handle_option): Take lang_mask. Update callers.
3462 Handle OPT_Werror_.
3463 * common.opt (Werror=): New.
3464 * doc/invoke.texi: Document -Werror=*
3466 2006-01-18 Jeff Law <law@redhat.com>
3468 * tree-vrp.c (test_for_singularity): Correct test for new
3469 min limit. Use operand_equal_p rather than pointer equality
3470 for testing if new min/max values are equal.
3472 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3473 using range information until after propagation and folding.
3475 2006-01-18 Richard Henderson <rth@redhat.com>
3476 Aldy Hernandez <aldyh@redhat.com>
3477 Jakub Jelinek <jakub@redhat.com>
3478 Diego Novillo <dnovillo@redhat.com>
3480 * omp-low.c: New file.
3481 * c-omp.c: New file.
3483 2006-01-18 Richard Henderson <rth@redhat.com>
3484 Jakub Jelinek <jakub@redhat.com>
3485 Diego Novillo <dnovillo@redhat.com>
3487 * doc/invoke.texi: Document -fopenmp.
3488 * tree-dump.h (debug_function): Declare.
3489 * hooks.c (hook_bool_tree_bool_false): New function.
3490 (hook_tree_tree_null): Remove.
3491 (hook_tree_tree_tree_null): New.
3492 * hooks.h: Update to match.
3493 * tree-pretty-print.c (debug_tree_chain): New.
3494 (print_generic_expr): Handle TDF_CHAIN.
3495 (dump_generic_node): Handle BLOCK.
3496 Do not abort with incomplete SWITCH_EXPRs.
3497 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3498 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3499 print space after directive name.
3500 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3501 Handle OMP_MASTER and OMP_ORDERED.
3502 Handle printing of OMP_BODY just in one place, goto
3503 dump_omp_body in the rest of OMP_* nodes that have
3504 OMP_BODY.
3505 Don't handle clause nodes here. Update omp statements to
3506 use dump_omp_clauses.
3507 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3508 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3509 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3510 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3511 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3512 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3513 Adjust output for GOMP_PARALLEL.
3514 (dump_omp_clauses): New.
3515 (print_declaration): Dump DECL_VALUE_EXPR.
3516 (op_symbol_1): Split out of op_symbol.
3517 (dumping_stmts): Remove. Update all users.
3518 * cgraph.c (cgraph_analyze_queue): New.
3519 (cgraph_add_new_function): New.
3520 * cgraph.h (cgraph_analyze_queue): Declare.
3521 (cgraph_add_new_function): Declare.
3522 (cgraph_lower_function): Remove.
3523 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3524 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3525 and TYPE_P nodes in its default clause.
3526 (empty_body_p): New.
3527 (tree_range_check_failed): New.
3528 (build5_stat): New.
3529 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3530 OMP_CLAUSE_REDUCTION_MERGE,
3531 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3532 OMP_CLAUSE_PRIVATE_DEBUG,
3533 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3534 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3535 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3536 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3537 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3538 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3539 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3540 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3541 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3542 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3543 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3544 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3545 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3546 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3547 (TREE_RANGE_CHECK): New.
3548 (empty_body_p): Declare.
3549 (enum omp_clause_default_kind): New.
3550 (build_string_literal): Declare.
3551 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3552 (build5_stat, build5): Declare.
3553 * tree-pass.h (TDF_CHAIN): Define.
3554 * tree-pass.h (PROP_gimple_lomp): Define.
3555 (pass_lower_omp): Declare.
3556 * diagnostic.h (debug_tree_chain): Declare.
3557 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3558 mode_for_size.
3559 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3560 * builtins.c (build_string_literal): Make extern.
3561 * gcc.c (include_spec_function): New.
3562 (static_spec_functions): Add it.
3563 (main): Move load of libgomp.spec ...
3564 (LINK_COMMAND_SPEC): ... here.
3565 (link_gomp_spec): New.
3566 (static_specs): Include it.
3567 (LINK_COMMAND_SPEC): Add link_gomp.
3568 (GOMP_SELF_SPECS): New.
3569 (driver_self_specs): Include it.
3570 (switch_matches): Don't mark inline.
3571 (main): Load libgomp.spec.
3572 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3573 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3574 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3575 * tree-gimple.h (enum omp_parallel): Declare.
3576 (determine_parallel_type): Declare.
3577 (omp_firstprivatize_variable): Declare.
3578 (omp_reduction_init): Declare.
3579 (diagnose_omp_structured_block_errors): Declare.
3580 (struct walk_stmt_info): Add want_return_expr.
3581 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3582 (find_omp_clause): Declare.
3583 (insert_field_into_struct): Declare.
3584 (struct walk_stmt_info): Move from tree-nested.c
3585 (walk_stmts): Declare.
3586 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3587 to 200505.
3588 * cgraphunit.c (cgraph_lower_function): Make static.
3589 (cgraph_finalize_pending_functions): New.
3590 (cgraph_finalize_function): Call it.
3591 (cgraph_finalize_compilation_unit): Likewise.
3592 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3593 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3594 (BT_FN_UINT_UINT): New.
3595 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3596 DEF_FUNCTION_TYPE_VAR_4): Document.
3597 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3598 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3599 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3600 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3601 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3602 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3603 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3604 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3605 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3606 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3607 into separate files.
3608 (DEF_GOMP_BUILTIN): New.
3609 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3610 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3611 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3612 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3613 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3614 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3615 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3616 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3617 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3618 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3619 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3620 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3621 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3622 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3623 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3624 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3625 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3626 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3627 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3628 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3629 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3630 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3631 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3632 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3633 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3634 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3635 * sync-builtins.def: New file, moved from builtins.def.
3636 * omp-builtins.def: New file, moved from builtins.def.
3637 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3638 * gimple-low.c (lower_function_body): Clear data.
3639 (lower_stmt): Do not handle COMPOUND_EXPR.
3640 Remove call to print_node_brief.
3641 * c-tree.h (c_finish_omp_clauses): New prototype.
3642 (C_DECL_THREADPRIVATE_P): Define.
3643 (lookup_name_no_remap, c_omp_remap_private): Remove
3644 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3645 (check_for_loop_decls): Update decl.
3646 (lookup_name_no_remap, c_omp_remap_private): Declare.
3647 (build_indirect_ref, build_modify_expr, pushdecl,
3648 pushdecl_top_level): Move to c-common.h.
3649 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3650 before the switch, but just in the 2 places that need it.
3651 * c-decl.c (diagnose_mismatched_decls): Do not check for
3652 mismatched thread-local attributes when OLDDECL is marked
3653 threadprivate and NEWDECL has no thread-local attributes.
3654 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3655 (c_gimple_diagnostics_recursively): Rename from
3656 c_warn_unused_result_recursively. Invoke
3657 diagnose_omp_structured_block_errors.
3658 (check_for_loop_decls): Return a singular decl found.
3659 * langhooks.c (lhd_omp_predetermined_sharing): Return
3660 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3661 (lhd_omp_firstprivatize_type_sizes): New.
3662 (lhd_omp_assignment): New.
3663 (lhd_omp_predetermined_sharing): New.
3664 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3665 (struct lang_hooks_for_types): Add
3666 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3667 omp_predetermined_sharing, omp_disregard_value_expr,
3668 omp_private_debug_clause, omp_clause_default_ctor,
3669 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3670 (c_finish_omp_clauses): New.
3671 (c_finish_bc_stmt): Diagnose break within omp for.
3672 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3673 (build_unary_op): Return error_mark after reporting
3674 a readonly_error.
3675 (build_modify_expr): Likewise.
3676 * gimplify.c: Include optabs.h and pointer-set.h.
3677 (enum gimplify_omp_var_data): Declare.
3678 (struct gimplify_omp_ctx): Declare.
3679 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3680 and combined_ctxp.
3681 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3682 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3683 (splay_tree_compare_decl_uid): New.
3684 (new_omp_context): New.
3685 (delete_omp_context): New.
3686 (gimple_add_tmp_var): Call omp_add_variable.
3687 (gimplify_bind_expr): Likewise.
3688 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3689 true, disregard DECL_VALUE_EXPR on the decl if any.
3690 (gimplify_expr_in_ctx): New.
3691 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3692 omp_add_variable, omp_notice_variable, omp_is_private
3693 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3694 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3695 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3696 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3697 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3698 gimplify_omp_atomic): New.
3699 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3700 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3701 OMP_CRITICAL and OMP_ATOMIC.
3702 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3703 * c-pragma.h (enum pragma_kind): Add
3704 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3705 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3706 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3707 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3708 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3709 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3710 PRAGMA_OMP_THREADPRIVATE.
3711 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3712 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3713 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3714 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3715 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3716 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3717 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3718 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3719 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3720 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3721 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3722 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3723 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3724 OpenMP directives.
3725 (struct nesting_info): Add field_map,
3726 suppress_expansion, debug_var_chain.
3727 (create_nesting_tree): Initialize them.
3728 (lookup_field_for_decl): Use field_map.
3729 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3730 (convert_local_omp_clauses): New.
3731 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3732 (walk_body): Split out of walk_function.
3733 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3734 (convert_nonlocal_reference): Handle omp statements.
3735 (convert_local_reference): Likewise.
3736 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3737 (unnest_nesting_tree): New.
3738 (lower_nested_functions): Call it.
3739 (insert_field_into_struct): Make extern.
3740 (struct walk_stmt_info): Move to tree-gimple.h.
3741 (walk_stmts): Make extern.
3742 * omp-builtins.def: New file.
3743 * tree-iterator.c (expr_only): Clarify comment.
3744 * c-common.h (pushdecl_top_level, pushdecl,
3745 build_modify_expr, build_indirect_ref,
3746 c_finish_omp_master, c_finish_omp_critical,
3747 c_finish_omp_ordered, c_finish_omp_barrier,
3748 c_finish_omp_atomic, c_finish_omp_flush,
3749 c_finish_omp_for, c_split_parallel_clauses,
3750 omp_clause_default_kind, c_omp_sharing_predetermined,
3751 c_omp_remap_decl): Declare.
3752 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3753 (OBJS-common): Add omp-low.o.
3754 (c-omp.o, omp-low.o): Add.
3755 (gimplify.o): Add dependency on $(OPTABS_H).
3756 (GTFILES): Add omp-low.c.
3757 (gt-stringpool.h): Add.
3758 * tree-cfg.c (set_bb_for_stmt): Do not update the
3759 block-to-labels map if we are currently expanding to RTL.
3760 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3761 checks.
3762 Handle IDENTIFIER_NODE.
3763 (tree_verify_flow_info): Do not ICE when emitting error
3764 messages about invalid labels.
3765 (dump_function_to_file): Reset CFUN before emitting the body
3766 of the function.
3767 (debug_function): New.
3768 * passes.c (init_optimization_passes): Schedule
3769 pass_lower_omp.
3770 * langhooks-def.h (lhd_omp_predetermined_sharing,
3771 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3772 Declare.
3773 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3774 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3775 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3776 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3777 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3778 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3779 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3780 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3781 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3782 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3783 (LANG_HOOK_DECLS): Use them.
3785 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3786 Richard Henderson <rth@redhat.com>
3787 Jakub Jelinek <jakub@redhat.com>
3788 Diego Novillo <dnovillo@redhat.com>
3790 * c-parser.c (pragma_omp_clause): Define.
3791 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3792 (c_parser_compound_statement): Likewise.
3793 (c_parser_statement): Likewise.
3794 (c_parser_pragma): Handle omp pragmas.
3795 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3796 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3797 (c_parser_omp_clause_name, check_no_duplicate_clause,
3798 c_parser_omp_variable_list,
3799 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3800 c_parser_omp_clause_copyprivate,
3801 c_parser_omp_clause_default,
3802 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3803 c_parser_omp_clause_lastprivate,
3804 c_parser_omp_clause_nowait,
3805 c_parser_omp_clause_num_threads,
3806 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3807 c_parser_omp_clause_reduction,
3808 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3809 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3810 c_parser_omp_atomic, c_parser_omp_barrier,
3811 c_parser_omp_critical, c_parser_omp_flush,
3812 c_parser_omp_for_loop, c_parser_omp_for,
3813 c_parser_omp_master, c_parser_omp_ordered,
3814 c_parser_omp_sections_scope, c_parser_omp_sections,
3815 c_parser_omp_parallel, c_parser_omp_single,
3816 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3817 * c-pragma.c (init_pragma): Do omp pragma registration here.
3818 * c.opt (fopenmp): New flag.
3820 2006-01-18 Eric Christopher <echristo@apple.com>
3822 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3823 * config/darwin.h (GOMP_SELF_SPECS): Define.
3825 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3827 * rtl.h: Remove the prototype for reg_alloc.
3829 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3831 PR target/25731
3832 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3833 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3834 sjlj and dwarf2 exception handling.
3835 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3836 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3837 * pa/pa.c (function_value): Treat complex and vector types as
3838 aggregates.
3839 (function_arg): Likewise. Only pass scalar floats in the floating
3840 point argument registers.
3841 * pa/t-slibgcc-dwarf-ver: New file.
3842 * pa/t-slibgcc-sjlj-ver: New file.
3843 * pa/t-slibgcc-elf-ver: Delete file.
3845 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3847 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3848 unlikely_test_section_p test.
3850 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3852 * mode-switching.c (optimize_mode_switching): Make it static.
3853 * basic-block.h: Remove the prototype for
3854 optimize_mode_switching.
3856 * modulo-sched.c (sms_schedule): Make it static.
3857 * rtl.h: Remove the prototype for sms_schedule.
3859 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3860 * rtl.h: Remove the prototype for gcse_after_reload_main.
3862 * reg-stack.c (reg_to_stack): Make it static.
3863 * rtl.h: Remove the prototype for reg_to_stack.
3865 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3866 Make them static.
3867 * rtl.h: Remove the prototypes for regrename_optimize and
3868 copyprop_hardreg_forward.
3870 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3872 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3873 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3874 Test against the appropriate null constant for the mode.
3875 If 'fixup_overlap' is true, swap the operands if they overlap.
3876 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3877 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3878 alpha_split_tmode_pair and adjust for above change.
3879 * config/alpha/alpha.md (movtf_internal): Adjust call to
3880 alpha_split_tfmode_pair and rely on it to swap the operands.
3881 (movti_internal): New insn and post-reload splitter.
3882 (movti): New expander.
3884 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3886 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3887 operands.
3889 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3891 * rtlanal.c (global_reg_mentioned_p_1,
3892 global_reg_mentioned_p): Remove.
3893 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3895 * flow.c (initialize_uninitialized_subregs): Make it static.
3896 * rtl.h: Remove the prototype for
3897 initialize_uninitialized_subregs.
3899 * function.c (instantiate_virtual_regs): Make it static.
3900 * function.h: Remove the prototype for
3901 instantiate_virtual_regs.
3903 * regmove.c (regmove_optimize, combine_stack_adjustments):
3904 Make them static.
3905 * rtl.h: Remove the prototypes for regmove_optimize and
3906 combine_stack_adjustments.
3908 2006-01-17 Roger Sayle <roger@eyesopen.com>
3910 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3911 (size_cost): Encode costs in bytes so that a reg-reg addition is
3912 equivalent to COSTS_N_INSNS(1).
3913 (override_options): Use the size_cost.branch_cost as the default
3914 ix86_branch_cost when optimizing for size.
3916 2006-01-18 Ben Elliston <bje@au.ibm.com>
3918 * Makefile.in (D32PBIT_FUNCS): New.
3919 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3920 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3921 D64PBIT_FUNCS and D128PBIT_FUNCS.
3922 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3923 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3924 D128PBIT are set.
3925 (decnumber_dep): Define.
3926 * doc/libgcc.texi (Decimal float library routines): New node.
3927 * config/dfp-bit.h, config/dfp-bit.c: New files.
3929 2006-01-18 Ben Elliston <bje@au.ibm.com>
3931 * expr.c (emit_move_change_mode): Always adjust addresses, not
3932 just during reload. Copy replacements only during reload.
3933 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3934 emit_move_via_integer.
3936 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3938 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3939 instead of $(srcdir) and ${srcdir}.
3941 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3943 PR target/592
3944 PR middle-end/11135
3945 * arm.h (struct machine_function): Add pic_reg.
3946 * arm.c (arm_pic_register): Make unsigned.
3947 (arm_override_options): Only set arm_pic_register if
3948 TARGET_SINGLE_PIC_BASE.
3949 (use_return_insn): Only test for a pic register if it is fixed.
3950 (arm_compute_save_reg0_reg12_mask): Likewise.
3951 (thumb_compute_save_reg_mask): Likewise.
3952 (legitimate_pic_operand): Factor out some known invariants.
3953 (legitimize_pic_address): If we don't have a fixed pic register,
3954 then set up a pseudo in the function entry sequence. Handle the
3955 pic base being in a pseudo.
3956 (arm_load_pic_register): Handle the pic register being in a pseudo.
3957 (arm_expand_prologue): Only set up the pic register if it is fixed.
3958 (thumb_expand_prologue): Likewise.
3959 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3960 (pic_load_addr_based_insn): Likewise.
3961 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3962 fixed.
3964 2006-01-18 Ben Elliston <bje@au.ibm.com>
3966 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3967 decimal float modes for all floating point registers.
3969 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3970 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3972 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3974 PR c/25682
3975 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3976 even when the pointer is not NULL.
3978 2006-01-16 Ian Lance Taylor <ian@airs.com>
3980 * common.opt (ftoplevel-reorder): New option.
3981 * cgraph.c (cgraph_asm_nodes): New global variable.
3982 (cgraph_asm_last_node): New static variable.
3983 (cgraph_order): New global variable.
3984 (cgraph_create_node): Set new order field.
3985 (cgraph_varpool_node): Likewise.
3986 (decide_is_variable_needed): Return true if not
3987 flag_toplevel_reorder.
3988 (cgraph_add_asm_node): New function.
3989 * cgraph.h (struct cgraph_node): Add order field.
3990 (struct cgraph_varpool_node): Add order field.
3991 (struct cgraph_asm_node): Define.
3992 (cgraph_asm_nodes, cgraph_order): Declare.
3993 (cgraph_add_asm_node): Declare.
3994 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3995 function.
3996 (cgraph_varpool_assemble_pending_decls): Call it.
3997 (cgraph_output_pending_asms): New static function.
3998 (cgraph_finalize_compilation_unit): Call it.
3999 (struct cgraph_order_sort): Define.
4000 (cgraph_output_in_order): New static function.
4001 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4002 !flag_toplevel_reorder case.
4003 * c-parser.c: Include "cgraph.h".
4004 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4005 assemble_asm.
4006 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4007 than -fno-unit-at-a-time.
4008 * doc/invoke.texi (Option Summary): Mention
4009 -fno-toplevel-reorder.
4010 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4011 -funit-at-a-time documentation.
4013 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4014 Kazu Hirata <kazu@codesourcery.com>
4016 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4018 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4020 * Makefile.in (FUNCTION_H): New. Use it instead of
4021 function.h throughout the file.
4022 * function.h: Include tree.h.
4024 2006-01-17 Ben Elliston <bje@au.ibm.com>
4026 * recog.c: Separate some functions with whitespace.
4028 2006-01-16 Richard Henderson <rth@redhat.com>
4030 Merge from gomp branch:
4031 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4032 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4033 and rename from struct inline_data. Rename callee* to dst*;
4034 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4035 transform_new_cfg, transform_return_to_modify, and
4036 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4037 update_clones_p.
4038 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4039 (copy_decl_for_dup): Remove.
4040 * tree-inline.c (struct inline_data): Move to header.
4041 (insert_decl_map): Export.
4042 (remap_decl): Update for member name changes. Use copy_decl hook.
4043 Allow for replacement to be a non-decl. Remove dead code.
4044 (remap_type_1): Check for existing mapping.
4045 (remap_type): Export.
4046 (remap_decls): Update for member name changes.
4047 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4048 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4049 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4050 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4051 (tree_function_versioning, build_duplicate_type): Likewise.
4052 (copy_body_r): Likewise. Export.
4053 (copy_decl_for_dup): Split into ...
4054 (copy_decl_for_dup_finish, copy_decl_to_var,
4055 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4056 (replace_ref_tree, inlining_p): Remove.
4058 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4060 * ifcvt.c (if_convert): Make it static.
4061 * rtl.h: Remove the prototype for if_convert.
4063 * local-alloc.c (local_alloc): Make it static.
4064 * rtl.h: Remove the prototype for local_alloc.
4066 * loop.c (loop_optimize): Make it static.
4067 * cfgloop.h: Remove the prototype for loop_optimize.
4068 * rtl.h: Likewise.
4070 2006-01-16 DJ Delorie <dj@redhat.com>
4072 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4073 mems.
4075 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4077 * pa.md: Disparage copies between general and floating-point registers
4078 in 32-bit move patterns.
4080 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4082 PR testsuite/25741
4083 * Makefile.in (check-%): Depend on site.exp instead of
4084 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4085 directories.
4087 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4089 * global.c (global_alloc): Make it static.
4090 * rtl.h: Remove the prototype for global_alloc.
4092 2006-01-16 Richard Guenther <rguenther@suse.de>
4094 * tree-ssa-alias.c (struct used_part): Add write_only field.
4095 (get_or_create_used_part_for): Initialize it to true.
4096 (create_overlap_variables_for): Don't create structure variables
4097 for structures that only are written to.
4098 (find_used_portions): Handle MODIFY_EXPR to track whether a
4099 structure is only written to.
4101 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4103 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4104 static.
4105 * basic-block.h: Remove the prototype for
4106 partition_hot_cold_basic_blocks.
4108 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4110 * cppspec.c (lang_specific_spec_functions): Remove.
4111 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4112 * gcc.h (lang_specific_spec_functions): Remove.
4113 * gccspec.c (lang_specific_spec_functions): Remove.
4115 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4117 * combine.c (record_value_for_reg): Invalidate registers
4118 if INSN is null.
4119 (record_dead_and_set_regs_1): Likewise, by passing them to
4120 record_value_for_reg.
4121 (record_dead_and_set_regs): Invalidate stores made by a
4122 call. We do not combine across a call, but we still
4123 relied on equivalences.
4125 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4127 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4128 vrp_int_const_binop returning non-constant nodes.
4130 2006-01-16 Paul Brook <paul@codesourcery.com>
4132 * config/m68k/m68k.c (output_move_const_into_data_reg):
4133 Output correct mnemonic for mvz and mvs.
4135 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4137 * rtl-factoring.c: Add sequence abstraction algorithm.
4138 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4139 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4140 ABNORMAL edges.
4141 (block_has_preserve_label): New function.
4142 * common.opt: Register new pass.
4143 * Makefile.in: Ditto.
4144 * passes.c: Ditto.
4145 * timevar.def: Ditto.
4146 * tree-pass.h: Ditto.
4147 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4148 * rtl.h (make_jump_insn_raw): Add forward decl.
4149 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4151 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4152 Roger Sayle <roger@eyesopen.com>
4154 * fold-const.c (fold_minmax): New static function.
4155 (fold_binary) <MIN_EXPR>: Call it.
4156 <MAX_EXPR>: Likewise.
4157 * stor-layout.c (place_field): Use DECL_SIZE consistently
4158 in the computation of the new record size.
4160 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4162 * cse.c (cse_condition_code_reg): Make it static.
4163 * rtl.h: Remove the prototype for cse_condition_code_reg.
4165 * combine.c (combine_instructions): Make it static.
4166 * rtl.h: Remove the prototype for combine_instructions.
4168 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4170 PR target/25168
4171 * tree.c (get_file_function_name_long): Concatenate the first global
4172 object name with a string derived from the input filename of the object
4173 for type "F".
4175 2006-01-16 Ben Elliston <bje@au.ibm.com>
4177 * config/i386/winnt-stubs.c: Update FSF address.
4178 * config/xtensa/ieee754-df.S: Ditto.
4179 * config/xtensa/ieee754-sf.S: Ditto.
4181 2006-01-14 Ian Lance Taylor <ian@airs.com>
4183 * ifcvt.c (noce_init_if_info): New static function, broken out of
4184 noce_process_if_block.
4185 (noce_process_if_block): Call noce_init_if_info.
4186 (check_cond_move_block): New static function.
4187 (cond_move_process_if_block): New static function.
4188 (process_if_block): Call cond_move_process_if_block.
4190 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4192 * cselib.c (hash_table): Rename to cselib_hash_table.
4193 (cselib_clear_table, discard_useless_values,
4194 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4195 cselib_init, cselib_finish): Adjust uses of hash_table.
4197 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4199 PR tree-optimization/25485
4200 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4201 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4202 is known to be false and true, respectively.
4204 2006-01-14 Richard Guenther <rguenther@suse.de>
4206 PR tree-optimization/22548
4207 PR tree-optimization/22555
4208 PR tree-optimization/22501
4209 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4210 * params.def (salias-max-array-elements): New parameter.
4211 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4212 * doc/invoke.texi (salias-max-array-elements): Document.
4213 * tree-flow-inline.h (var_can_have_subvars): We also handle
4214 arrays now.
4215 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4216 COMPONENT_REF.
4217 * tree-ssa-structalias.c (params.h): Include.
4218 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4219 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4220 (get_constraint_for): For ADDR_EXPR operating on something
4221 containing an ARRAY_REF, add all subvars to the solution.
4222 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4223 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4224 for creating MUST_DEFs.
4225 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4227 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4229 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4230 functions.
4231 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4232 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4233 number_of_iterations_le): New functions.
4234 (number_of_iterations_special): Removed.
4235 (number_of_iterations_exit): Do not use number_of_iterations_special.
4236 * tree.c (unsigned_type_for): Always return integer type.
4238 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4239 Richard Guenther <rguenther@suse.de>
4241 PR rtl-optimization/24257
4242 * gcse.c (find_moveable_store): Only consider a store movable
4243 when the SET_SRC of the insn can be assigned to a register.
4245 2006-01-14 Ian Lance Taylor <ian@airs.com>
4247 * tree.c (tree_not_class_check_failed): New function.
4248 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4249 (tree_not_class_check_failed): Declare.
4251 2006-01-13 Ian Lance Taylor <ian@airs.com>
4253 * reload1.c (do_output_reload): Add assertion rejecting a
4254 CALL_INSN.
4256 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4258 * combine.c (struct reg_stat): Add new fields truncation_label and
4259 truncated_to_mode.
4260 (record_value_for_reg): Reset truncated_to_mode.
4261 (record_truncated_value): New function.
4262 (check_promoted_subreg): Call it. Rename to check_conversions.
4263 (combine_instructions): Rename check_promoted_subreg to
4264 check_conversions.
4265 (reg_truncated_to_mode): New function.
4266 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4267 (gen_lowpart_or_truncate): New function.
4268 (force_to_mode): Use it instead of gen_lowpart.
4270 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4272 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4273 VAR is a tag, not its type tag.
4275 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4277 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4278 alternatives to match style of other entries.
4279 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4281 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4283 PR tree-optimization/25771
4284 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4285 SSA_NAMES.
4287 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4289 PR tree-opt/24365
4290 * tree-inline.c (declare_return_variable): If the return variable
4291 was marked as a non gimple complex, set the return slot variable
4292 to be a non gimple comple variable.
4294 2006-01-13 Richard Guenther <rguenther@suse.de>
4296 * builtins.c (expand_builtin_sincos): New function.
4297 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4298 do not set errno.
4299 (expand_builtin): Expand sincos using expand_builtin_sincos.
4301 2006-01-12 DJ Delorie <dj@redhat.com>
4303 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4304 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4305 so that constant shifts can be split.
4306 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4307 (m32c_valid_pointer_mode): Make static.
4308 (shift_gen_func_for): New.
4309 (m32c_prepare_shift): Use it. Split large const shifts into
4310 multiple shifts.
4311 * config/m32c/predicates.md (shiftcount_operand): Allow more
4312 general operands.
4313 (longshiftcount_operand): New.
4314 * doc/md.texi (Machine Constraints): Document In6.
4316 2006-01-13 Ben Elliston <bje@au.ibm.com>
4318 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4319 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4320 documentation.
4322 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4324 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4325 to try to avoid clobbering pieces of structures when we know
4326 something about the whole structure.
4327 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4329 2006-01-13 Ben Elliston <bje@au.ibm.com>
4331 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4332 return in memory, as this is no limitation is no longer present.
4334 2006-01-12 DJ Delorie <dj@redhat.com>
4336 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4337 mova with fb, and for fb+0 -> An.
4339 * config/m32c/mov.md (peephole2): Fix enabling logic.
4341 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4342 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4343 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4344 FINI_ARRAY_SECTION_ASM_OP): Define.
4346 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4347 variable.
4348 (m32c_legitimize_reload_address): New logic to reload FB to An.
4349 (m32c_output_reg_push): Add newline.
4350 (m32c_output_reg_pop): Likewise.
4352 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4354 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4356 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4358 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4360 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4362 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4363 match_code.
4365 2006-01-11 Ben Elliston <bje@au.ibm.com>
4367 * rtlanal.c (find_reg_note): Assert insn is not null.
4369 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4371 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4372 ifdef.
4374 2006-01-11 Jeff Law <law@redhat.com>
4376 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4377 hold edge pairs.
4378 (mark_threaded_blocks, register_jump_thread): New functions.
4379 (thread_through_all_blocks): Remove unwanted argument. No
4380 longer rely on e->aux to communicate thread target info.
4381 Call mark_threaded_blocks. Release the threaded_blocks
4382 bitmap and threaded_edges vector when complete.
4383 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4384 (threaded_blocks): Remove.
4385 (tree_ssa_dominator_optimize): Remove initialization and
4386 finalization of threaded_blocks. Simplify call to
4387 thread_through_all_blocks.
4388 (thread_across_edge): Call register_jump_thread rather than
4389 storing thread information into e->aux.
4390 (free_all_edge_infos): Simplify now that e->aux is no longer
4391 used to communicate with thread_through_all_blocks.
4392 * tree-flow.h (thread_through_all_blocks): Update prototype.
4393 (register_jump_thread): Prototype.
4395 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4397 * df-core.c (df_compact_blocks, df_bb_replace): Use
4398 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4400 2006-01-11 Richard Guenther <rguenther@suse.de>
4402 PR tree-optimization/25734
4403 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4404 stop propagation after successful propagation to the LHS.
4406 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4408 * basic-block.h (control_flow_graph): Change the type of
4409 x_basic_block_info to VEC(basic_block,gc) *.
4410 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4411 basic_block_info.
4412 (SET_BASIC_BLOCK): New.
4413 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4414 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4415 * cfgbuild.c (find_basic_blocks): Likewise.
4416 * cfglayout.c (fixup_reorder_chain): Likewise.
4417 * cfgrtl.c (create_basic_block_structure,
4418 rtl_create_basic_block): Likewise.
4419 * ifcvt.c (find_if_case_1): Likewise.
4420 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4421 Likewise.
4423 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4425 * Makefile.in: Removed rotted odf.c entry.
4427 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4429 PR target/25706
4430 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4431 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4432 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4433 output pattern modifier, not %e.
4434 * config/cris/cris.c (cris_op_str): Update comment about pattern
4435 modifier.
4436 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4437 before falling through into...
4438 <case 'E'>: Redefined from old 'e' case.
4440 2006-01-11 Jan Hubicka <jh@suse.cz>
4442 PR target/25042
4443 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4445 2006-01-11 Jan Hubicka <jh@suse.cz>
4447 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4448 * i386.c (x86_decompose_lea): Kill.
4449 (ix86_rtx_costs): Kill.
4451 2006-01-11 Jan Hubicka <jh@suse.cz>
4453 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4454 * cgraph.h (cgraph_node): Add inline_decl.
4455 (cgraph_insert_node_to_hashtable): Declare.
4456 (save_inline_function_body): Declare.
4457 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4458 clones.
4459 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4460 (cgraph_function_versioning): Update call of tree_function_versioning.
4461 (save_inline_function_body): New function.
4462 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4463 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4464 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4465 (cgraph_default_inline_p): Likewise.
4466 (cgraph_decide_inlining_incrementally): Likewise.
4467 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4468 (copy_bb): Kill saving; do updating of clones.
4469 (copy_cfg_body): Kill saving.
4470 (initialize_inlined-parameters): Likewise.
4471 (expand_call_inline): Likewise.
4472 (save_body): Kill.
4473 (tree_function_versioning): New parameter "update_clones".
4474 (inlining_p): Kill saving.
4475 * tree-inline.h (tree_function_versioning): Update prototype.
4476 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4477 saving.
4479 2006-01-11 Ian Lance Taylor <ian@airs.com>
4481 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4482 Allow undoing set of machine mode.
4483 (do_SUBST): Use enums instead of is_int.
4484 (do_SUBST_MODE): New function.
4485 (SUBST_MODE): New macro.
4486 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4487 reg and trying to replace reg_regno_rtx with a new register.
4488 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4489 (simplify_set): Use SUBST_MODE.
4490 (distribute_notes): Remove code that tried to update reg notes
4491 for regno_reg_rtx changes.
4493 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4495 PR tree-optimization/23109
4496 PR tree-optimization/23948
4497 PR tree-optimization/24123
4499 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4500 * tree-cfg.c (single_noncomplex_succ): New.
4501 * tree-flow.h (single_noncomplex_succ): Declare it.
4502 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4503 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4504 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4505 insert_bb, register_division_in, insert_reciprocals,
4506 replace_reciprocal, free_bb): New.
4507 (execute_cse_reciprocals_1): Rewritten.
4508 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4509 Do not commit any edge insertion. Always compute dominators and
4510 create the allocation pool.
4511 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4512 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4513 * targhooks.c (default_min_divistions_for_recip_mul): New.
4514 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4515 * passes.c (init_optimization_passes): Run recip after tree loop
4516 optimizations.
4517 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4519 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4520 Kenneth Zadeck <zadeck@naturalbridge.com>
4522 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4523 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4524 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4525 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4526 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4527 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4528 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4529 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4530 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4531 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4532 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4533 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4534 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4535 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4536 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4537 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4538 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4539 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4540 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4541 DF_SCAN_POST_ALLOC): New macros.
4542 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4543 df_free_bb_function, df_local_compute_function, df_init_function,
4544 df_dataflow_function, df_confluence_function_0,
4545 df_confluence_function_n, df_transfer_function,
4546 df_finalizer_function, df_free_function, df_dump_problem_function,
4547 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4548 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4549 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4550 df_urec_bb_info, ) New types.
4551 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4552 variables.
4553 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4554 df_analyze_simple_change_some_blocks,
4555 df_analyze_simple_change_one_block, df_compact_blocks,
4556 df_bb_replace, df_bb_regno_last_use_find,
4557 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4558 df_insn_regno_def_p, df_find_def, df_find_use,
4559 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4560 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4561 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4562 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4563 debug_df_chain, df_get_dependent_problem, df_chain_create,
4564 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4565 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4566 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4567 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4568 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4569 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4570 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4571 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4572 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4573 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4574 df_reorganize_refs, df_set_state, df_hard_reg_init,
4575 df_read_modify_subreg_p) New public functions.
4576 * df-core.c: The core dataflow solver and glue routines for rtl
4577 dataflow.
4578 (df_init, df_add_problem, df_set_blocks, df_finish,
4579 df_hybrid_search_forward, df_hybrid_search_backward,
4580 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4581 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4582 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4583 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4584 df_reg_defined, df_find_use, df_reg_used, df_dump,
4585 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4586 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4587 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4588 debug_df_useno, reset_df_after_reload): New functions.
4589 * df-scan.c: The scanning fuctions, once in df.c, completely
4590 rewritten so that they now fully model the functionality of
4591 register usage at the backend.
4592 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4593 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4594 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4595 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4596 df_get_artificial_defs, df_get_artificial_uses,
4597 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4598 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4599 df_refs_delete, df_reorganize_refs, df_set_state,
4600 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4601 df_def_record_1, df_defs_record, df_uses_record,
4602 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4603 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4604 df_record_exit_block_uses, df_hard_reg_init): New functions.
4606 * df-problems.c: Seven concrete dataflow problems that use the
4607 scanning in df-scan.c and are solved by the engine in df-core.c.
4608 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4609 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4610 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4611 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4612 df_ru_free_bb_info, df_ru_alloc,
4613 df_ru_bb_local_compute_process_def,
4614 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4615 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4616 df_ru_transfer_function, df_ru_free, df_ru_dump,
4617 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4618 df_rd_free_bb_info, df_rd_alloc,
4619 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4620 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4621 df_rd_transfer_function, df_rd_free, df_rd_dump,
4622 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4623 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4624 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4625 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4626 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4627 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4628 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4629 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4630 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4631 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4632 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4633 df_urec_mark_reg_use_for_earlyclobber,
4634 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4635 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4636 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4637 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4638 df_chain_create_bb_process_use, df_chain_create_bb,
4639 df_chain_finalize, df_chain_free, df_chains_dump,
4640 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4641 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4642 df_reg_lifetime): New functions.
4643 * df.c: Deleted file.
4644 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4645 consistent with new df api.
4646 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4647 rest_of_handle_sms): Ditto.
4648 * web.c (unionfind_union, union_defs, entry_register, web_main):
4649 Ditto.
4650 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4651 invariant_expr_equal_p, find_defs, check_dependencies,
4652 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4653 free_inv_motion_data, move_loop_invariants): Ditto.
4654 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4655 Update dependencies.
4656 (odf.c): Added defective entry that was deleted later in day.
4657 * sched-deps.c (sched_analyze_1): Ditto.
4659 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4661 * tree-ssa-operands.c (get_expr_operands): Record addressable
4662 variables directly. Do not call add_stmt_operands for CONST_DECLs
4663 and ARRAY_DECLs.
4664 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4665 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4667 2006-01-11 Ben Elliston <bje@au.ibm.com>
4669 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4670 function returns true in the positive case.
4672 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4674 PR target/20754
4675 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4676 for SI, DI, SF and DF modes. Add alternatives to copy between
4677 general and floating point registers to the 32-bit patterns.
4678 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4679 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4680 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4681 generating 64-bit code.
4682 * config/pa/pa.c (output_move_double): Handle copies between general
4683 and floating registers.
4685 2006-01-10 Stuart Hastings <stuart@apple.com>
4687 * config/i386/i386.md (set_got): Update.
4688 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4689 (builtin_setjmp_receiver): Mach-O support.
4690 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4691 (GOT_SYMBOL_NAME): Define.
4692 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4693 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4694 * config/i386/i386.c (override_options): Revise for Darwin.
4695 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4696 support. (darwin_x86_file_end): New. (output_set_got): Add label
4697 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4698 * config/i386/i386-protos.h (output_set_got): Likewise.
4699 * config/darwin.c (machopic_legitimize_pic_address): Update
4700 regs_ever_live[].
4702 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4704 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4705 when MODE isn't BLKmode.
4707 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4709 PR rtl-optimization/25367
4710 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4712 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4714 PR target/25718
4715 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4716 for a negative bound.
4718 2006-01-10 Richard Guenther <rguenther@suse.de>
4720 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4721 Never override with anything constraint.
4723 2006-01-10 Jan Beulich <jbeulich@novell.com>
4725 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4726 256 bits when optimize_size.
4728 2006-01-10 Jan Beulich <jbeulich@novell.com>
4730 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4731 MASK_ALIGN_DOUBLE.
4732 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4733 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4734 arguments.
4736 2006-01-10 Ben Elliston <bje@au.ibm.com>
4738 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4739 float modes.
4740 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4741 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4742 (USE_FP_FOR_ARG): Reject decimal float modes.
4743 (function_arg_advance): Likewise.
4744 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4745 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4746 point types in AltiVec vectors.
4747 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4748 (rs6000_libcall_value): Likewise.
4750 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4752 * config/xtensa/ieee754-df.S: New file.
4753 * config/xtensa/ieee754-sf.S: New file.
4754 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4755 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4756 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4758 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4760 * config/sh/predicates.md (binary_float_operator,
4761 binary_logical_operator, commutative_float_operator,
4762 equality_comparison_operator, greater_comparison_operator,
4763 less_comparison_operator, logical_operator,
4764 noncommutative_float_operator, shift_operator,
4765 symbol_ref_operand, unary_float_operator): Remove redundant
4766 conditionals.
4768 2006-01-09 Jeff Law <law@redhat.com>
4770 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4771 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4772 now unused arguments. Callers updated.
4773 (eliminate_redundant_computations): Remove now unused arguments,
4774 callers updated.
4775 (local_fold): Remove, no longer used.
4776 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4777 and moved to...
4778 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4779 (simplify_cond): New function.
4780 (forward_propagate_into_cond): Call simplify_cond.
4782 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4784 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4785 (*vec_extractv2di_1_sse): New.
4787 2006-01-09 Ben Elliston <bje@au.ibm.com>
4789 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4791 2006-01-08 Richard Guenther <rguenther@suse.de>
4793 * tree-ssa-structalias.c (get_constraint_for): Remove
4794 anyoffset argument.
4795 (get_constraint_for_component_ref): Likewise.
4796 (do_deref): Likewise.
4797 (get_constraint_for): Likewise.
4798 (do_structure_copy): Likewise.
4799 (handle_ptr_arith): Likewise.
4800 (find_func_aliases): Likewise. Remove unused need_anyoffset
4801 variable.
4803 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4804 Kaz Kojima <kkojima@gcc.gnu.org>
4806 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4807 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4808 (EXTRA_CONSTRAINT_C16): Remove.
4809 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4810 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4811 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4812 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4813 constants of SHmedia. Handle nested constant expressions of
4814 SHmedia correctly.
4815 (andcosts): Fix the costs for SHmedia constants.
4816 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4817 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4818 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4819 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4820 (movv4hi_i, movv2si_i): Likewise.
4821 (movsi_const): Adjust the second operand of ior so to match with
4822 the Csu constraint.
4823 (movdi_const, movdi_const_32bit): Likewise.
4824 (movdi_const_16bit+1): Don't sign-extend LOW.
4825 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4826 step.
4827 (*double_shori): Fix the split condition. Use GEN_INT instead
4828 of get_int_mode calls. Mask lower 16-bit of the argument of
4829 the last GEN_INT.
4830 (sym2GOTPLT): Remove.
4831 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4832 gen_rtx_UNSPEC.
4833 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4834 instead of EXTRA_CONSTRAINT_C16.
4836 2006-01-07 Ian Lance Taylor <ian@airs.com>
4837 David Edelsohn <edelsohn@gnu.org>
4839 PR rtl-optimization/25662
4840 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4841 for constant operands instead of simplify_gen_binary.
4842 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4843 after trying simplify_binary_operation
4845 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4847 * tree.c (iterative_hash_expr): Hash decls based on UID.
4849 2006-01-06 Eric Christopher <echristo@apple.com>
4851 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4852 (TARGET_UNWIND_EMIT): Fix spelling.
4853 * target.h (gcc_target): Add except_table_label.
4854 * except.c (output_function_exception_table): Use.
4855 * varasm.c (default_emit_except_table_label): New.
4856 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4857 define.
4858 (asm_out): Add here.
4859 * output.h (default_emit_except_table_label): Prototype.
4860 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4861 * config/darwin.c (darwin_emit_except_table_label): Define.
4862 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4864 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4866 PR tree-optimization/18527
4867 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4868 number_of_iterations_special, number_of_iterations_exit):
4869 Move base and step of an iv to a single structure. Add
4870 no_overflow flag, and use it in # of iterations analysis.
4871 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4872 folded_casts argument.
4873 (simple_iv): Pass base and step in a structure. Set no_overflow
4874 flag.
4875 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4876 Evaluate expensiveness of computing # of iterations instead of
4877 the final expression.
4878 * tree-scalar-evolution.h (affine_iv): New structure.
4879 (simple_iv): Declaration changed.
4880 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4881 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4882 find_givs_in_stmt): Changed due to simple_iv change.
4884 2006-01-06 Jeff Law <law@redhat.com>
4886 PR ada/24994
4887 * tree-cfg.c (bsi_replace): Rename final argument from
4888 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4889 change (stmt -> orig_stmt).
4890 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4891 (bsi_remove): Add new argument. Remove EH information
4892 if requested.
4893 (verify_eh_throw_table_statements): New function.
4894 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4895 updated.
4896 * tree-optimize.c (execute_free_cfg_annotations): Verify
4897 the EH throw statement table after removing annotations.
4898 * except.h (verify_eh_throw_table_statements): Prototype.
4899 * tree-flow.h (bsi_remove): Update prototype.
4900 * tree-vrp.c (remove_range_assertions): Add new argument to
4901 bsi_remove call.
4902 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4903 * tree-complex.c (expand_complex_div_wide): Likewise.
4904 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4905 * tree-tailcall.c (eliminate_tailcall): Likewise.
4906 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4907 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4908 * tree-nrv.c (tree_nrv): Likewise.
4909 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4910 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4911 (combine_blocks): Likewise.
4912 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4913 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4914 (cleanup_control_flow): Likewise.
4915 (remove_forwarder_block): Likewise.
4916 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4917 * tree-sra.c (sra_replace): Likewise.
4918 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4919 (forward_propagate_single_use_vars): Likewise.
4920 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4921 * tree-inline.c (expand_call_inline): Likewise.
4922 * tree-vect-transform.c (vect_transform_loop): Likewise.
4923 * tree-outof-ssa.c (rewrite_trees): Likewise.
4924 * tree-cfg.c (make_goto_expr_edges): Likewise.
4925 (cleanup_dead_labels): Likewise.
4926 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4927 (bsi_move_before, bsi_move_after): Likewise.
4928 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4929 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4931 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4933 PR tree-opt/25528
4934 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4935 and IMAGPART_EXPR.
4936 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4937 on non gimple variables. Also add checks at the top for decls and
4938 mtags.
4939 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4940 complex types.
4941 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4942 and IMAGPART_EXPR for creating MUST_DEFs.
4943 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4944 and NAME_MEMORY_TAG separately from the DECLs.
4946 2006-01-06 Richard Guenther <rguenther@suse.de>
4948 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4949 annotation, if necessary.
4950 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4951 redundant calls to update_stmt.
4952 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4953 Likewise.
4955 2006-01-05 Richard Henderson <rth@redhat.com>
4957 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4959 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4961 * c-typeck.c: Update copyright date.
4963 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4965 * c-typeck.c (build_c_cast): Always warn when casting
4966 from a pointer to an integer of different size, even if
4967 the node was constant.
4969 2006-01-05 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/22555
4972 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4973 if one structure field is an array.
4974 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4975 operands even if we found a subvar, but ignore VOPs in this
4976 case.
4977 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4978 for renaming.
4979 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4981 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4983 PR middle-end/24998
4984 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4986 2006-01-05 Richard Guenther <rguenther@suse.de>
4987 Diego Novillo <dnovillo@redhat.com>
4989 * tree-pass.h (TODO_remove_unused_locals): Define.
4990 * gimple-low.c (expand_var_p, remove_useless_vars,
4991 pass_remove_useless_vars): Remove. Update all users.
4992 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4993 (remove_unused_locals): New function.
4994 * tree-flow.h (remove_unused_locals): Declare.
4995 * passes.c (execute_todo): Call remove_unused_locals if
4996 TODO_remove_unused_locals is set.
4997 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4998 * tree-ssa-dce.c (pass_dce): Likewise.
4999 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5001 2006-01-05 Richard Guenther <rguenther@suse.de>
5003 * tree-flow.h (struct fieldoff): Decompose field to
5004 type, size and decl.
5005 * tree-ssa-alias.c (create_sft): Take type as parameter.
5006 (create_overlap_variables_for): Store type, size and decl
5007 in the fieldoff structure.
5008 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5009 of struct fieldoff.
5010 (push_fields_onto_fieldstack): Likewise.
5011 (create_variable_info_for): Likewise. Use offset for the
5012 SFT name if the decl is not available.
5014 2006-01-04 Paul Brook <paul@codesourcery.com>
5016 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5018 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5020 * lambda-code.c (can_put_in_inner_loop): Relax
5021 restrictions.
5022 (can_put_after_inner_loop): New function.
5023 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5024 (perfect_nestify): Change to make copies and modify uses.
5026 2006-01-04 Richard Henderson <rth@redhat.com>
5028 Merge from gomp branch:
5029 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5030 via integer constant.
5031 (pragma_lex): Remove.
5032 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5033 rather than parsing it.
5034 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5035 handle_pragma_extern_prefix): Add %< %> quotes.
5036 (registered_pragmas): New.
5037 (c_register_pragma_1): New.
5038 (c_register_pragma): Use it.
5039 (c_register_pragma_with_expansion): Likewise.
5040 (c_invoke_pragma_handler): New.
5041 (init_pragma): Use cpp_register_deferred_pragma directly for
5042 pch_preprocess.
5043 * c-pragma.h (enum pragma_kind): New.
5044 (pragma_handler): New.
5045 (c_invoke_pragma_handler): Declare.
5046 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5047 CPP_PRAGMA_EOL.
5048 * c-common.h (c_common_pch_pragma): Update decl.
5049 * Makefile.in (c-parser.o): Update dependencies.
5050 (GTFILES): Add c-pragma.h.
5051 * c-parser.c (struct c_token): Add pragma_kind.
5052 (struct c_parser): Add in_pragma.
5053 (c_lex_one_token): Always initialize keyword and pragma_kind.
5054 Extract data for CPP_PRAGMA.
5055 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5056 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5057 Don't allow CPP_PRAGMA_EOL if in_pragma.
5058 (c_parser_consume_pragma): New.
5059 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5060 (c_parser_skip_to_end_of_parameter): Likewise.
5061 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5062 (c_parser_skip_to_pragma_eol): New.
5063 (c_parser_external_declaration): Handle CPP_PRAGMA.
5064 (c_parser_compound_statement_nostart): Likewise.
5065 (c_parser_statement_after_labels): Likewise.
5066 (c_parser_pragma): New.
5067 (pragma_lex): Likewise.
5068 (c_parser_pragma_pch_preprocess): New.
5069 (c_parser_new): Merge into ...
5070 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5072 2006-01-04 Jeff Law <law@redhat.com>
5074 PR ada/24994
5075 * tree-cfg.c (bsi_replace): Remove the original statement
5076 from the EH throw statement table.
5078 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5080 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5081 make the prototype extern "C" and add throw ().
5083 PR target/25554
5084 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5085 and pos non-negative and pos + len <= 32.
5086 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5087 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5088 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5090 PR c/25559
5091 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5092 as well as sizes not multiple of component size.
5094 PR debug/25562
5095 * function.c (instantiate_expr): New function.
5096 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5097 walk its DECL_VALUE_EXPR with instantiate_expr.
5099 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5100 DW_OP_deref{,_size} if address isn't going to be added.
5102 2006-01-04 Ben Elliston <bje@au.ibm.com>
5104 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5105 * config/fp-bit.c: Likewise.
5107 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5109 * dominance.c: Add comment about why we use DFS numbering
5110 of dominance tree.
5112 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5113 Richard Henderson <rth@redhat.com>
5115 Merge from gomp-branch:
5116 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5117 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5119 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5121 PR rtl-optimization/25578
5122 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5123 pass a parameter to simplify_shift_const if changing ASHIFTRT
5124 to LSHIFTRT.
5126 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5128 * builtins.c (get_builtin_sync_mem): New function.
5129 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5130 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5131 Call get_builtin_sync_mem to generate mem rtx.
5133 2006-01-03 Richard Guenther <rguenther@suse.de>
5135 PR c/25183
5136 * stmt.c (add_case_node): Make sure to clear overflow flags
5137 from ranges.
5139 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5141 Merge from gomp-branch.
5142 * config/sparc/sync.md: New file.
5143 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5144 UNSPECV_LDSTUB): New constants.
5145 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5146 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5147 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5148 prototype.
5150 2006-01-03 Roger Sayle <roger@eyesopen.com>
5152 * combine.c (reg_subword_p): New predicate to test whether the
5153 destination of a set refers to a subword/piece of a register.
5154 (try_combine): Generalize the code to merge the setting of a
5155 pseudo to a constant followed by a set of a subword of that
5156 register to a constant.
5158 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5160 * basic-block.h (control_flow_graph): Change the type of
5161 x_label_to_block_map to VEC(basic_block,gc) *.
5162 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5163 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5165 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5166 VEC(basic_block,heap) *.
5167 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5168 ssa_prop_fini): Adjust the uses of cfg_blocks.
5170 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5172 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5173 COMPONENT_REFs.
5174 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5175 hashing trees instead of a pointer hash.
5176 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5177 compare for MEM_EXPR.
5179 PR rtl-optimization/25130
5180 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5181 when comparing MEMs for GCSE
5183 2006-01-03 Ben Elliston <bje@au.ibm.com>
5185 * targhooks.h (default_decimal_float_supported_p): Declare.
5186 * targhooks.c (default_decimal_float_supported_p): Define.
5187 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5188 `default_decimal_float_supported_p'.
5189 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5191 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5193 * combine.c (apply_distributive_law <SUBREG>): Check
5194 TRULY_NOOP_TRUNCATION.
5196 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5198 * dwarf2out.c (have_switched_text_section): Delete.
5199 (have_multiple_function_sections): New.
5200 (have_location_lists): Make 'bool'.
5201 (add_AT_loc_list): Use 'true' not '1'.
5202 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5203 (output_loc_list): Use have_multiple_function_sections.
5204 (output_ranges): Likewise.
5205 (dwarf2out_begin_function): Set have_multiple_function_sections if
5206 necessary.
5207 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5208 Check function_section rather than DECL_SECTION_NAME.
5209 (dwarf2out_finish): Use have_multiple_function_sections.
5210 Don't clear have_location_lists.
5212 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5213 Jan Hubicka <jh@suse.cz>
5215 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5216 case of conditional jump jumping to the next instruction.
5217 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5218 cases of conditional jump jumping to the next instruction.
5220 2006-01-02 Jan Hubicka <jh@suse.cz>
5222 * i386.c (*_cost): Add COSTS_N_INSNS.
5223 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5225 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5227 PR target/25259
5228 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5230 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5232 * config/arm/arm.c (all_fpus): Fix comment typo.
5233 * config/darwin.c: Likewise.
5234 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5235 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5236 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5238 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5240 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5241 (rs6000_split_compare_and_swapqhi): New.
5242 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5243 (sync_compare_and_swapqhi_internal): New.
5244 * config/rs6000/rs6000-protos.h: Declare.