| blob | 2294cbf988edc2b564c4d4eccc748dce17f98b10 |
1 2006-02-18 Mark Wielaard <mark@klomp.org>
3 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4 who added new 4.1 features, bug fixes and integration support.
6 2005-02-18 David Edelsohn <edelsohn@gnu.org>
8 PR target/26350
9 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10 MEM for ABI_V4 pic.
12 2005-02-18 Richard Sandiford <richard@codesourcery.com>
14 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16 (copy_insn_1): Likewise. Don't copy each field individually.
17 Reindent.
18 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
19 of RTX_SIZE.
20 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
21 * rtl.c (rtx_size): Rename variable to...
22 (rtx_code_size): ...this.
23 (rtx_size): New function.
24 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
25 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
26 Reindent.
27 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
28 * rtl.h (rtx_code_size): New variable.
29 (rtx_size): Change from a variable to a function.
30 (RTX_SIZE): Rename to...
31 (RTX_CODE_SIZE): ...this.
33 PR target/9703
34 PR tree-optimization/17106
35 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
36 (Anchored Addresses): New section.
37 * doc/invoke.texi (-fsection-anchors): Document.
38 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
39 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
40 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
41 * hooks.c (hook_bool_mode_rtx_false): New function.
42 * hooks.h (hook_bool_mode_rtx_false): Declare.
43 * gengtype.c (create_optional_field): New function.
44 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
45 SYMBOL_REF_IN_BLOCK_P is true.
46 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
47 (min_anchor_offset, max_anchor_offset): Likewise.
48 (use_anchors_for_symbol_p): New hook.
49 * toplev.c (compile_file): Call output_object_blocks.
50 (target_supports_section_anchors_p): New function.
51 (process_options): Check that -fsection-anchors is only used on
52 targets that support it and when -funit-at-a-time is in effect.
53 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
54 if the decl doesn't have one.
55 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
56 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
57 of force_const_mem through use_anchored_address.
58 (expand_expr_constant): New function.
59 (expand_expr_addr_expr_1): Call it. Use the same modifier when
60 calling expand_expr for INDIRECT_REF.
61 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
62 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
63 * expr.h (use_anchored_address): Declare.
64 * loop-unroll.c: Don't declare rtx vectors here.
65 * explow.c: Include output.h.
66 (validize_mem): Call use_anchored_address.
67 (use_anchored_address): New function.
68 * common.opt (-fsection-anchors): New switch.
69 * varasm.c (object_block_htab, anchor_labelno): New variables.
70 (hash_section, object_block_entry_eq, object_block_entry_hash)
71 (use_object_blocks_p, get_block_for_section, create_block_symbol)
72 (use_blocks_for_decl_p, change_symbol_section): New functions.
73 (get_variable_section): New function, split out from assemble_variable.
74 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
75 use_blocks_for_decl_p say so. Use change_symbol_section if the
76 symbol has already been created.
77 (assemble_variable_contents): New function, split out from...
78 (assemble_variable): ...here. Don't output any code for
79 block symbols; just pass them to place_block_symbol.
80 Use get_variable_section and assemble_variable_contents.
81 (get_constant_alignment, get_constant_section, get_constant_size): New
82 functions, split from output_constant_def_contents.
83 (build_constant_desc): Create a block symbol if use_object_blocks_p
84 says so. Or into SYMBOL_REF_FLAGS.
85 (assemble_constant_contents): New function, split from...
86 (output_constant_def_contents): ...here. Don't output any code
87 for block symbols; just pass them to place_section_symbol.
88 Use get_constant_section and get_constant_alignment.
89 (force_const_mem): Create a block symbol if use_object_blocks_p and
90 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
91 (output_constant_pool_1): Add an explicit alignment argument.
92 Don't switch sections here.
93 (output_constant_pool): Adjust call to output_constant_pool_1.
94 Switch sections here instead. Don't output anything for block symbols;
95 just pass them to place_block_symbol.
96 (init_varasm_once): Initialize object_block_htab.
97 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
98 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
99 (place_block_symbol, get_section_anchor, output_object_block)
100 (output_object_block_htab, output_object_blocks): New functions.
101 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
102 (TARGET_ASM_OUT): Include it.
103 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
104 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
105 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
106 (TARGET_INITIALIZER): Include them.
107 * rtl.c (rtl_check_failed_block_symbol): New function.
108 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
109 (block_symbol, object_block): New structures.
110 (rtx_def): Add a block_symbol field to the union.
111 (BLOCK_SYMBOL_CHECK): New macro.
112 (rtl_check_failed_block_symbol): Declare.
113 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
114 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
115 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
116 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
117 * output.h (output_section_symbols): Declare.
118 (object_block): Name structure.
119 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
120 (default_use_anchors_for_symbol_p): Declare.
121 * Makefile.in (RTL_BASE_H): Add vec.h.
122 (explow.o): Depend on output.h.
123 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
124 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
125 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
126 (rs6000_use_blocks_for_constant_p): New function.
128 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
130 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
132 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
134 PR tree-opt/25680
135 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
136 IMAGPART_EXPR.
138 2006-02-18 Diego Novillo <dnovillo@redhat.com>
140 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
141 is_aliased.
142 Update all users.
144 2006-02-18 Jakub Jelinek <jakub@redhat.com>
146 PR middle-end/26334
147 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
148 instead of DECL_REGISTER.
150 2006-02-18 Olivier Hainque <hainque@adacore.com>
152 PR ada/13408
153 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
155 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
157 PR target/24837
158 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
159 * opth-gen.awk: Handle Var and InverseMask together.
160 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
161 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
162 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
163 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
164 used together.
165 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
166 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
167 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
168 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
169 LINUX_DYNAMIC_LINKER): Define.
170 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
171 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
172 TARGET_GLIBC.
173 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
174 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
175 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
176 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
177 (TARGET_C99_FUNCTIONS): Don't define.
178 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
179 GLIBC_DYNAMIC_LINKER.
180 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
181 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
182 GLIBC_DYNAMIC_LINKER64): Define.
183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
184 LINUX_DYNAMIC_LINKER64.
185 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
187 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
189 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
191 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
192 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
193 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
195 and LINUX_DYNAMIC_LINKER32.
196 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
197 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
198 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
199 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
200 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
201 TARGET_GLIBC.
202 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
203 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
204 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
205 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
206 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
207 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
208 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
209 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
210 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
211 LINUX_DYNAMIC_LINKER): Define.
212 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
213 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
214 GLIBC_DYNAMIC_LINKER64): Define.
215 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
216 LINUX_DYNAMIC_LINKER64.
217 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
218 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
219 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
220 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
221 LINUX_DYNAMIC_LINKER): Define.
222 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
223 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
224 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
225 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
226 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
227 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
228 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
229 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
230 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
231 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
232 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
233 * doc/invoke.texi (-muclibc): Remove caveat about supported
234 targets.
236 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
238 * doc/cpp.texi (__TIMESTAMP__): Document.
240 2006-02-17 Roger Sayle <roger@eyesopen.com>
242 PR middle-end/25600
243 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
244 C is one less than the width of X (and related transformations).
245 * simplify_rtx.c (simplify_unary_operation_1): Transform
246 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
247 depending on STORE_FLAG_VALUE, were C is one less then the
248 width of X.
250 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
252 Fix PR tree-optimization/26341
253 * tree-ssa-operands.c (add_virtual_operand): Remove assert
254 about NAME_MEMORY_TAG's.
256 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
258 PR target/26255
259 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
260 with hardware float support, and software float support. Add fcpy
261 alternative to hardware patterns. Add alternatives to copy between
262 general and floating-point registers to the 32-bit pattern.
263 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
264 secondary reload to load a QI or HI mode constant into a floating
265 point register.
266 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
267 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
269 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
271 PR target/26272
272 * config/rs6000/darwin.md (load_macho_picbase_si): Add
273 pc to the pattern.
274 (load_macho_picbase_di): Likewise.
276 2006-02-16 Jeff Law <law@redhat.com>
278 * tree-vrp.c (set_value_range_to_nonnegative): New function.
279 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
280 (ssa_name_nonzero_p): Likewise.
281 (get_value_range): Return NULL if VRP is not running.
282 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
283 VRP routines do not discover a range.
284 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
285 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
286 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
287 (tree_expr_nonnegative_p): Similarly.
288 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
289 (restore_nonzero_vars_to_original_value): Remove.
290 (unsafe_associative_fp_binop): Remove.
291 (tree_ssa_dominator_optimize): Remove initialization and
292 finalization of nonzero_vars and nonzero_vars_stack.
293 (dom_opt_initialize_block): No longer push marker on
294 nonzero_vars_stack.
295 (dom_opt_finalize_block): No longer call
296 restore_nonzero_vars_to_original_value.
297 (record_equivalences_from_phis): No longer look for
298 nonzero PHI arguments.
299 (cprop_into_successor_phis): No longer propagate nonzero
300 property into PHI arguments. Lose unused argument. Caller
301 updated.
302 (record_equivalences_from_stmt): No longer record nonzero
303 values for SSA_NAMEs.
304 (lookup_avail_expr): No longer use nonzero_vars.
306 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
307 for sizetype when sizetype is unsigned.
309 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
311 PR rtl-optimization/25603
312 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
313 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
314 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
315 with new meaning of SETS.
317 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
319 PR target/20353
320 PR target/24578
321 PR target/24837
322 * config/linux.opt: New file.
323 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
324 LINUX_DYNAMIC_LINKER): Define.
325 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
326 * config.gcc (*-*-linux*): Define extra_options.
327 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
328 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
329 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
330 GLIBC_DYNAMIC_LINKER.
331 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
332 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
333 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
335 * doc/invoke.texi (GNU/Linux Options): New section.
337 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
339 * config/sparc/sparc.md (setjmp): Rewrite.
340 (setjmp_32): Delete.
341 (setjmp_64): Likewise.
343 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
345 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
346 previous change.
348 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
350 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
351 read-write uses.
353 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
355 PR rtl-optimization/26296
356 * Makefile.in (loop-invariant.c): Add except.h dependency.
357 * loop-invariant.c: Include except.h.
358 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
360 2005-02-16 Paul Brook <paul@codesourcery.com>
362 * reload1.c (emit_reload_insns): Invalidate dead input registers used
363 for reloads.
365 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
367 PR rtl-optimization/25636
368 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
369 when deciding whether an insn is an initializing insn.
371 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
373 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
374 (tree_code_size): Ditto.
375 * tree.h (struct tree_memory_tag): Remove parent_var.
376 (struct tree_struct_field_tag): New.
377 (SFT_OFFSET): New.
378 (SFT_SIZE): New.
379 (union tree_node): Add sft member.
380 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
381 specially here.
382 (create_sft): Add size and offset argument, set SFT_OFFSET and
383 SFT_SIZE.
384 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
385 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
386 * tree-flow-inline.h (get_subvar_at): Update for
387 SFT_OFFSET/SFT_SIZE.
388 (var_can_have_subvars): Ditto.
389 (overlap_subvar): Ditto.
390 * print-tree.c (print_node): Print out interesting things for
391 SFT's.
392 * tree-flow.h (struct subvar): Remove offset and size members.
393 * tree-ssa-operands.c (get_expr_operands): Update for
394 get_indirect_ref_operands changes.
395 (get_indirect_ref_operands): Call add_virtual_operand instead of
396 add_stmt_operand. Only recurse on base var if requested.
397 (access_can_touch_variable): New function.
398 (add_stmt_operand): Split virtual operand handling into ...
399 (add_virtual_operand): Here. Add offset, size, and for_clobber
400 arguments. Prune alias sets.
401 (add_call_clobber_ops): Call add_virtual_operand.
403 2006-02-15 Jakub Jelinek <jakub@redhat.com>
405 PR middle-end/26300
406 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
408 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
409 than TREE_CODE as index into omp_clause_num_ops array.
411 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
413 PR rtl-optimization/26184
414 * modulo-sched.c (generate_reg_moves): Free bitmap vector
415 uses_of_defs.
416 * modulo-sched.c (sms_schedule): Free g_arr pointer.
417 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
418 must_precede, must_follow and tobe_scheduled.
420 PR other/26147
421 * opts.c (common_handle_option): Free new_option pointer.
422 * df-core.c (df_analyze): Free postorder pointer.
424 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
426 * Makefile.in: Fix the examples about the use of stamps
428 2006-02-15 Michael Matz <matz@suse.de>
430 PR middle-end/22275
432 * stor-layout.c (layout_decl): Zero-width bitfields aren't
433 influenced by maximum_field_alignment or DECL_PACKED.
434 (update_alignment_for_field): Ditto.
435 (place_field): Ditto.
436 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
437 this behaviour.
439 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
441 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
442 (debug_flow_info): Pass it.
443 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
444 * bb-reorder.c (reorder_basic_blocks): Likewise.
445 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
446 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
447 * flow.c (life_analysis, recompute_reg_usage): Likewise.
448 * gcse.c (gcse_main, bypass_jumps): Likewise.
449 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
450 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
451 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
452 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
453 * rtl.h (dump_flow_info): Adjust prototype.
454 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
455 * var-tracking.c (variable_tracking_main): Likewise.
456 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
457 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
458 options.
460 2006-02-15 Marcin Dalecki <martin@dalecki.de>
462 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
463 construction.
465 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
467 PR tree-optimization/26209
468 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
469 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
470 eh edges.
471 * tree-cfg.c (replace_uses_by): Do not alter cfg.
473 2006-02-14 Roger Sayle <roger@eyesopen.com>
475 PR middle-end/23670
476 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
477 (X,Y) and the corresponding symmetry related transformations.
478 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
479 (X,Y) and its symmetry related transformations.
481 2006-02-14 Roger Sayle <roger@eyesopen.com>
483 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
484 and GEU.
486 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
488 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
490 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
492 PR bootstrap/26053
493 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
494 support COMDAT group.
495 * configure: Regenerate.
497 2006-02-14 Roger Sayle <roger@eyesopen.com>
499 PR middle-end/26279
500 PR middle-end/26280
501 PR middle-end/26283
502 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
504 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
506 Fix PR tree-optimization/26260
508 * doc/invoke.texi (max-fields-for-field-sensitive): Document
509 param.
510 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
511 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
512 * tree-ssa-structalias.c (create_variable_info_for): Use
513 MAX_FIELDS_FOR_FIELD_SENSITIVE.
515 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
517 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
518 Document.
519 * tree-ssa-loop-niter.c (number_of_iterations_ne,
520 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
521 of the ending condition.
522 * tree-ssa-loop-manip.c: Include params.h.
523 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
524 tree_unroll_loop): New functions.
525 * tree-pass.h (pass_loop_prefetch): Declare.
526 * loop.c (rest_of_handle_loop_optimize): Test for
527 -fprefetch-loop-arrays-rtl.
528 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
529 * timevar.def (TV_TREE_PREFETCH): New timevar.
530 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
531 pass_loop_prefetch): New.
532 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
533 (cleanup_tree_cfg_loop): Call scev_reset.
534 * common.opt (fprefetch-loop-arrays-rtl): Add.
535 * tree-ssa-loop-prefetch.c: New file.
536 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
537 (new_temp_expr_table): Initialize expr_vars.
538 (free_temp_expr_table): Cleanup expr_vars.
539 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
540 expressions from being merged into one.
541 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
542 (struct tree_niter_desc): Add control, bound and cmp fields.
543 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
544 Declare.
545 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
546 (tree-cfgcleanup.o): Add SCEV_H dependency.
547 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
548 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
550 2006-02-14 Richard Guenther <rguenther@suse.de>
552 PR tree-optimization/26258
553 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
554 in PHI argument processing.
556 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
558 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
559 new expression in the requested machine mode.
561 2006-02-13 Roger Sayle <roger@eyesopen.com>
563 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
564 directly, instead let do_compare_rtx_and_jump handle this for us.
565 * expr.c (expand_expr_real_1): Likewise.
566 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
567 before do_jump_by_parts_greater.
568 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
569 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
571 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
573 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
575 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
577 PR rtl-optimization/26235
578 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
579 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
580 format.
582 2006-02-13 Jeff Law <law@redhat.com>
584 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
585 TRUTH_XOR_EPR.
587 2006-02-13 Jakub Jelinek <jakub@redhat.com>
589 PR middle-end/26092
590 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
591 twice if decl is a builtin. When trying again, call get_callee_fndecl
592 first to verify it is still a builtin.
594 2006-02-13 Geoffrey Keating <geoffk@apple.com>
596 * dwarf2out.c (base_type_die): Don't add AT_name here.
597 (subrange_type_die): Don't add AT_name here.
598 (modified_type_die): Rearrange code flow. Do add AT_name here.
600 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
602 PR rtl-optimization/26247
603 PR rtl-optimization/26248
604 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
606 2006-02-13 Richard Sandiford <richard@codesourcery.com>
608 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
609 * config/fixtfdi.c: Likewise.
610 * config/fixunstfdi.c: Likewise.
611 * config/floatditf.c: Likewise.
613 2006-02-13 Roger Sayle <roger@eyesopen.com>
615 PR middle-end/24427
616 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
617 into (X,C2) if C1 is a subset of the bits of C2. Transform
618 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
619 (X&(C1&~C2))|C2.
620 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
622 2006-02-13 Josh Conner <jconner@apple.com>
624 PR target/25376
625 * varasm.c (function_section): Check for section name before
626 calling select_section on targets that define
627 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
628 unlikely_text_section instead of hot_function_section if
629 first_function_block_is_cold.
631 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
633 PR middle-end/25335
634 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
636 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
638 PR rtl-optimization/26222
639 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
640 after tree->rtl expansion.
641 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
642 before passing it to emit_move_insn.
644 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
646 * doc/invoke.texi (-Write-strings): Document that it is enabled by
647 default.
648 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
649 Clarify documentation.
650 * c-common.h (warn_write_strings): Remove.
651 * c-common.c (warn_write_strings): Likewise.
652 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
653 default for C++.
655 2006-02-12 Roger Sayle <roger@eyesopen.com>
657 PR middle-end/25724
658 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
659 (do_jump_parts_zero_rtx): New function renamed from
660 do_jump_parts_equality_rtx. Made static. Add a mode argument.
661 (do_jump_parts_equality_rtx): New function split out from
662 do_jump_parts_equality. Old implementation renamed as above.
663 Call do_jump_parts_zero_rtx if either operand is zero.
664 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
665 do all of the heavy lifting.
666 (do_compare_rtx_and_jump): Handle multi-word comparisons by
667 calling either do_jump_by_parts_greater_rtx or
668 do_jump_by_parts_equality_rtx.
669 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
670 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
671 moved to do_compare_rtx_and_jump, call it directly.
672 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
673 mode argument. Call do_compare_rtx_and_jump.
674 (emit_case_nodes): Update calls to do_jump_if_equal.
676 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
678 PR rtl-optimization/26225
679 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
681 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
683 PR rtl-optimization/26232
684 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
686 2006-02-11 Jason Merrill <jason@redhat.com>
688 PR tree-opt/24365
689 * tree-inline.c (declare_return_variable): Just don't use the
690 modify target if it's a gimple complex reg and the return slot
691 isn't.
693 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
695 * doc/contrib.texi: Update my entry.
697 2006-02-10 Geoffrey Keating <geoffk@apple.com>
699 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
701 2006-02-10 Diego Novillo <dnovillo@redhat.com>
703 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
704 expensive.
706 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
708 * doc/invoke.texi (-floop-optimize2): Removed.
709 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
710 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
711 Test flag_branch_on_count_reg only if HAVE_doloop_end.
712 * common.opt (floop-optimize2): Removed.
713 (fmove-loop-invariants): Enabled by default.
715 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
717 * tree-if-conv.c (combine_blocks): Free the result of
718 get_loop_exit_edges.
720 2006-02-10 Jeff Law <law@redhat.com>
722 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
724 PR tree-optimization/26213
725 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
726 loop trying to follow SSA_NAME_VALUE chains.
728 2006-02-10 Richard Guenther <rguenther@suse.de>
730 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
731 deal with structures that end in implicitly variable sized arrays.
733 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
735 PR rtl-optimization/24762
736 * df-scan.c (df_bb_refs_record): Record correct registers defined on
737 eh edges.
739 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
741 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
742 (struct ivopts_data): Add regs_used field.
743 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
744 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
745 instead of loop_data->regs_used;
746 (free_loop_data): Do not free aux fields for loops.
747 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
748 and tree_ssa_iv_optimize_finalize.
750 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
752 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
754 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
756 PR target/26141
757 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
758 computing the effective result type.
760 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
762 PR inline-asm/16194
763 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
764 (tree_overlaps_hard_reg_set): Declare.
765 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
766 type and signature to match function type expected by walk_tree.
767 (tree_overlaps_hard_reg_set): New function.
768 (decl_conflicts_with_clobbers_p): Rename to:
769 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
770 Use tree_overlaps_hard_reg_set. Changed caller.
771 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
772 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
773 * cris.c (cris_md_asm_clobbers): Likewise.
775 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
777 * reload1.c (emit_input_reload_insns): Delete code that tries to
778 inherit using find_equiv_reg.
780 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
782 * c-common.h (flag_const_strings): Don't declare.
783 * c-common.c (flag_const_strings): Remove.
784 * c.opt (fconst_strings): Remove.
785 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
786 <OPT_Wwrite_strings>: Don't set flag_const_strings.
787 (c_common_init_options): Don't set flag_const_strings.
788 * doc/invoke.texi (-fno-const-strings): Remove documentation.
790 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
792 * arm.md (tlobits_cbranch): New pattern.
793 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
794 testing a single bit.
796 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
798 PR tree-opt/26179
799 * tree-ssa-pre.c (create_component_ref_by_pieces):
800 Handle RETURN_DECL like VAR_DECL.
802 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
804 PR middle-end/26134
805 * fold-const.c (fold_indirect_ref_1): Fold
806 "*(foo *)&complexfoo" to "__real__ complexfoo"
807 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
809 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
811 * tree-flow-inline.h (var_can_have_subvars):
812 Volatile variables should not have subvariables.
814 2006-02-09 Diego Novillo <dnovillo@redhat.com>
816 PR 26180
817 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
818 multiplying unsigned values.
819 Tidy comments.
821 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
823 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
825 2006-02-08 Jason Merrill <jason@redhat.com>
827 PR c++/25979
828 * tree.def: Elaborate on difference from MODIFY_EXPR.
829 * doc/c-tree.texi (INIT_EXPR): Likewise.
830 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
831 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
832 (gimplify_target_expr): Likewise.
833 (gimplify_cond_expr): Remove target handling.
834 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
835 (gimplify_expr): Clobber it here.
836 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
837 Do return slot optimization if we have an INIT_EXPR.
839 PR tree-opt/24365
840 * tree-inline.c (declare_return_variable): Also clear
841 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
843 PR c++/16405
844 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
846 PR middle-end/22439
847 * gimplify.c (gimplify_one_sizepos): Fix typo.
849 2006-02-08 Jeff Law <law@redhat.com>
851 PR tree-optimization/21417
852 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
853 across a backedge if the control statement at the end of the
854 block is data dependent on other statements in the same block.
855 (record_temporary_equivalences_from_stmts): Remove over-conservative
856 test for threading across backedges.
858 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
859 control statement, handle all three special cases in the same
860 manner as they all have the same desired solution. No longer
861 special case edge flag updating when the post dominator is
862 the exit block.
864 2006-02-08 Roger Sayle <roger@eyesopen.com>
866 * tree.def (CHAR_TYPE): Remove.
867 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
868 * dwarf2out.c (base_type_die, is_base_type): Likewise.
869 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
870 (gen_string_type_die): Delete unreachable function.
872 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
873 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
874 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
875 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
876 * builtins.c (type_to_class): Likewise.
877 * fold-const.c (fold_convert, build_range_check,
878 merge_ranges): Likewise.
879 * expr.c (count_type_elements): Likewise.
880 * c-pretty-print.c (pp_c_type_specifier): Likewise.
881 * stor-layout.c (layout_type): Likewise.
882 * ipa-type-escape.c (type_to_consider): Likewise.
883 * gimplify.c (omp_firstprivatize_type_sizes,
884 gimplify_type_sizes): Likewise.
885 * explow.c (promote_mode): Likewise.
886 * tree-sra.c (is_sra_scalar_type): Likewise.
887 * varasm.c (output_constant): Likewise.
888 * tree-inline.c (remap_type_1): Likewise.
889 * convert.c (convert_to_pointer, convert_to_real,
890 convert_to_integer, convert_to_complex): Likewise.
892 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
894 * df-scan.c (df_def_record_1): A set destination may
895 be a parallel regardless of mode.
897 2006-02-08 Roger Sayle <roger@eyesopen.com>
899 PR target/22209
900 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
901 * config/mips/_tilib.c: Remove.
902 * config/fixtfdi.c: New libgcc source file.
903 * config/fixunstfdi.c: New source file.
904 * config/floatditf.c: New source file.
905 * config/floatunditf.c: New souce file.
906 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
907 files above instead of config/mips/_tilib.c.
908 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
910 2006-02-08 Jeff Law <law@redhat.com>
912 PR tree-optimization/26169
913 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
914 threading jumps.
916 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
918 * df.h (DF_REG_SIZE): Return the length of the initialized
919 part of the array.
921 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
923 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
924 __muldf3): Return a correctly signed zero.
926 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
928 * passes.c (register_one_dump_file): Accept the current properties
929 instead of pass number. Adjust call to dump_register. Remove
930 duplicated code.
931 (register_dump_files): Now a wrapper around...
932 (register_dump_files_1): ... this one. Do not modify the pass
933 structure.
934 (next_pass_1): Cosmetic fix.
935 (execute_todo): Keep second parameter only. Use curr_properties
936 instead of fetching it from the pass structure. Check and set
937 last_verified.
938 (execute_one_pass): Handle TODO_set_props. Use curr_properties
939 instead of fetching it from the pass structure. Fix calls to
940 execute_todo. Update curr_properties and initialize .vcg RTL dump
941 after running the pass. Reset last_verified.
942 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
943 at the beginning.
944 (FIRST_AUTO_NUMBERED_DUMP): New.
945 (dump_register): Remove "num" parameter, assign it within the
946 function.
947 (get_dump_file_name): Modify template for dumps.
948 * tree-dump.h (dump_register): Adjust prototype.
949 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
950 (PROP_trees): Add PROP_gimple_lomp.
951 (TODO_set_props): New.
952 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
953 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
954 * cfgexpand.c (pass_expand): Destroy PROP_trees.
956 2006-02-08 Jakub Jelinek <jakub@redhat.com>
958 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
959 (sparc64-*-linux*): Likewise.
960 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
961 * config/sparc/t-linux: New file.
962 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
963 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
964 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
965 -m32 -mlong-double-128.
967 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
968 * config/alpha/t-linux: New file.
969 * config/alpha/libgcc-alpha-ldbl.ver: New file.
971 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
972 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
973 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
974 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
975 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
976 (CPP_ARCH32_SPEC): Remove.
978 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
980 PR tree-optimization/26145
981 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
982 bbs pointer.
984 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
986 PR target/26109
987 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
988 >= 240000 when generating code for SOM runtime.
989 (output_indirect_call): Don't use "b,l" instruction for indirect calls
990 to $$dyncall when generating code for SOM runtime..
992 2006-02-07 Dirk Mueller <dmueller@suse.com>
994 PR c++/18150
995 * doc/invoke.texi (-Wsequence-point): Update documentation
996 that -Wsequence-point is implemented for C++ as well.
998 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1000 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1001 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1002 (LIB_SPEC): Likewise.
1003 * doc/invoke.texi (SPARC options): Document -pthread.
1005 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1007 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1008 PIC addresses.
1010 2006-02-07 Roger Sayle <roger@eyesopen.com>
1012 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1013 Correct comment describing BOOLEAN_TYPE.
1015 2006-02-07 Dirk Mueller <dmueller@suse.com>
1017 * c.opt: C++ frontend supports -Wdiv-by-zero.
1018 * c-opts.c (c_common_handle_option): Remove dead case.
1020 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1022 * configure.ac (TLS assembler check): Do not enable TLS by
1023 default on SPARC/Solaris before version 10.
1024 * configure: Regenerate.
1026 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1028 * doc/invoke.texi (xl-compat): Document conversion and support
1029 routine names.
1031 2006-02-07 Jeff Law <law@redhat.com>
1033 * tree-vrp.c (find_conditional_asserts): Update comments.
1034 (simplify_stmt_for_jump_threading): New.
1035 (identify_jump_threads, finalize_jump_threads): New.
1036 (vrp_finalize): Call identify_jump_threads.
1037 (execute_vrp): Call finalize_jump_threads.
1038 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1039 (vrp_element, vrp_data, vrp_element_p): Remove.
1040 (vrp_hash_elt, vrp_variables_stack): Remove.
1041 (vrp_hash, vrp_eq, record_range): Remove.
1042 (simplify_cond_and_lookup_avail_expr): Remove.
1043 (extract_range_from_cond): Remove.
1044 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1045 (simplify_stmt_for_jump_threading): New.
1046 (dom_thread_across_edge): New wrapper.
1047 (tree_ssa_dominator_optimize): No longer initialize or
1048 finalize any of the VRP datastructures. Remove iteration
1049 step and simplify as a result of removal of iteration step.
1050 (pass_dominator): Perform a cfg cleanup after DOM.
1051 (dom_opt_finalize_block): Use the new common routines
1052 for threading jumps. Simplify stack management slightly.
1053 No longer need to unwind VRP state.
1054 (record_equivalences_from_incoming_edge): No longer record
1055 VRP information.
1056 (eliminate_redundant_computations): No longer call
1057 simplify_cond_and_lookup_avail_expr.
1058 * tree-flow.h (potentially_threadable_block): Prototype.
1059 (thread_across_edge): Likewise.
1060 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1061 (tree-ssa-threadedge.o): Add dependencies.
1062 * tree-ssa-threadedge.c: New file.
1063 * passes.c (init_optimization_passes): Merge PHIs before
1064 calling VRP. Run VRP again late in the SSA optimization pipeline.
1066 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1068 * df-core.c (df_set_blocks): Do not dereference function pointers.
1069 (df_finish1): Likewise.
1070 (df_hybrid_search_forward): Likewise.
1071 (df_hybrid_search_backward): Likewise.
1072 (df_iterative_dataflow): Likewise.
1073 (df_analyze_problem): Likewise.
1074 (df_compact_blocks): Likewise.
1075 (df_dump): Likewise.
1076 * df-scan.c (df_rescan_blocks): Likewise.
1077 (df_record_entry_block_defs): Likewise.
1079 * genconditions.c (write_conditions): Guard the definition of
1080 'insn_conditions' with the check on GCC version.
1081 (write_writer): Guard the traversal 'insn_conditions' with
1082 the check on GCC version.
1084 2006-02-07 Richard Guenther <rguenther@suse.de>
1086 PR c++/26140
1087 Revert
1088 2006-01-30 Richard Guenther <rguenther@suse.de>
1089 PR c++/23372
1090 * gimplify.c (gimplify_target_expr): Handle easy cases
1091 without creating a temporary.
1093 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1095 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1096 use of float in probability computations. Use edge probabilities
1097 in place of statically computed probabilities.
1098 (min_spec_prob): New static variable.
1099 (schedule_insns): Initialize it.
1100 (GET_SRC_PROB): Removed.
1101 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1103 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1105 PR debug/24444
1106 * config/ia64/unwind-ia64.c: Revert last change.
1107 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1108 (INCOMING_FRAME_SP_OFFSET): Define.
1110 2006-02-06 Roger Sayle <roger@eyesopen.com>
1112 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1114 2006-02-07 Ben Elliston <bje@au.ibm.com>
1116 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1117 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1118 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1119 (ix86_return_in_memory): Handle TDmode.
1120 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1121 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1123 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1125 * reorg.c (dbr_schedule): Use dump_file instead of file.
1127 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1129 PR target/25917
1130 * config/ia64/predicates.md (extr_len_operand): New predicate.
1131 * config/ia64/ia64.md (extv): Tighten constraints.
1132 (extzv): Ditto.
1133 (*tbit_and_2): Ditto.
1134 (*tbit_and_3): Ditto.
1135 (*tbit_or_2): Ditto.
1136 (*tbit_or_3): Ditto.
1137 (*bit_zero): Ditto.
1138 (*bit_one): Ditto.
1140 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1142 PR target/23359
1143 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1145 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1147 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1148 loop_optimizer_init and loop_optimizer_finalize
1149 * tree-ssa-sink.c (execute_sink_code): Ditto.
1150 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1151 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1152 tree_ssa_loop_done): Ditto.
1153 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1154 * sched-ebb.c: Include output.h.
1155 (schedule_ebbs): Do not use dump argument.
1156 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1157 * loop.c (loop_dump_stream): Removed.
1158 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1159 argument.
1160 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1161 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1162 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1163 loop_iterations, strength_reduce, record_biv, record_giv,
1164 final_giv_value, check_final_value, check_ext_dependent_givs,
1165 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1166 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1167 dump_file instead of loop_dump_stream.
1168 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1169 argument dump_file.
1170 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1171 dump argument.
1172 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1173 * haifa-sched.c: Include output.h
1174 (schedule_insns, sched_init): Do not use dump argument.
1175 * mode-switching.c (optimize_mode_switching): Ditto.
1176 * modulo-sched.c (stats_file): Removed.
1177 (print_node_sched_params): Do not call argument dump_file.
1178 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1179 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1180 of stats_file.
1181 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1182 use dump argument.
1183 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1184 rtl_loop_init, rtl_loop_done): Ditto.
1185 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1186 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1187 Ditto.
1188 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1189 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1190 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1191 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1192 * emit-rtl.c (renumber_insns): Ditto.
1193 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1194 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1195 * regclass.c (regclass): Ditto.
1196 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1197 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1198 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1199 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1200 Ditto.
1201 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1202 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1203 to regclass.
1204 * gcse.c (gcse_file, debug_stderr): Removed.
1205 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1206 rest_of_handle_gcse): Do not use dump argument.
1207 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1208 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1209 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1210 compute_code_hoist_vbeinout, compute_code_hoist_data,
1211 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1212 compute_store_table, build_store_vectors, insert_insn_start_bb,
1213 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1214 store_motion): Use dump_file instead of gcse_file.
1215 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1216 * profile.c (profile_dump_file): Removed.
1217 (branch_prob): Use dump_file instead of profile_dump_file.
1218 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1219 dump_file.
1220 * tree-ssa-copy.c (dump_copy_of): Ditto.
1221 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1222 dump file to life_analysis.
1223 * bt-load.c (branch_target_load_optimize): Ditto.
1224 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1225 renumber_insns.
1226 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1227 regclass, dbr_schedule): Declaration changed.
1228 * sched-int.h (sched_init): Declaration changed.
1229 * tree-profile.c (tree_profile_dump_file): Removed.
1230 (tree_profile_hooks): Removed profile_dump_file hook.
1231 * rtl-profile (rtl_profile_dump_file): Removed.
1232 (rtl_profile_hooks): emoved profile_dump_file hook.
1233 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1234 changed.
1235 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1236 * tree-cfg.c (build_tree_cfg): Ditto.
1237 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1238 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1239 Declaration changed.
1240 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1241 life_analysis and schedule_insns.
1242 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1243 life_analysis.
1244 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1245 dbr_schedule.
1246 * config/mips/mips.c (mips_reorg): Ditto.
1247 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1248 schedule_ebbs.
1250 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1252 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1253 (s390_mangle_fundamental_type): New.
1254 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1255 Define.
1257 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1258 (alpha_mangle_fundamental_type): New.
1259 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1260 Define.
1262 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1263 Define.
1264 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1265 Define.
1266 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1267 (sparc_mangle_fundamental_type): New.
1269 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1271 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1272 (s390x-*-linux*): Likewise.
1273 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1274 * config/s390/t-linux: New file.
1276 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1278 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1279 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1281 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1283 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1284 (ANTIC_SAFE_LOADS): New macro.
1285 (find_or_generate_expression): Add prototype.
1286 (set_contains_value): Allow null set for sake of not always having
1287 to allocate ANTIC_SAFE_LOADS.
1288 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1289 Allow COMPONENT_REF too.
1290 (valid_in_set): Allow COMPONENT_REF.
1291 Check ANTIC_SAFE_LOADS too.
1292 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1293 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1294 rename.
1295 (can_PRE_operation): Add COMPONENT_REF.
1296 (create_component_ref_by_pieces): New function.
1297 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1298 (insert_aux): Move AGGREGATE_TYPE_P check here.
1299 (compute_avail): Set bb local stmt uids.
1300 (pass_pre): Use TODO_update_ssa_only_virtuals.
1302 2006-02-06 Ben Elliston <bje@au.ibm.com>
1304 * configure.ac: Unconditionally disable decimal float by default.
1305 * configure: Regenerate.
1307 2006-02-06 Ben Elliston <bje@au.ibm.com>
1309 * read-rtl.c (read_name): Terminate reading on EOF.
1311 2006-02-06 Ben Elliston <bje@au.ibm.com>
1313 * dfp.c (decimal_real_arithmetic): Change second argument type
1314 from int to enum tree_code. Do not always return true, but now
1315 return result of any call to decimal_do helper functions.
1316 * dfp.h (decimal_real_arithmetic): Update prototype.
1318 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1320 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1322 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1324 PR tree-opt/25251
1325 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1326 forced labels.
1328 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1330 * tree-vrp.c (cfg_loops): Removed.
1331 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1332 Use current_loops instead of cfg_loops. Pass flags to
1333 loop_optimizer_init.
1334 * cfgloopmanip.c (fix_loop_structure): Update only available
1335 information.
1336 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1337 loop_optimizer_init.
1338 * modulo-sched.c (build_loops_structure): Removed.
1339 (sms_schedule): Use loop_optimizer_init.
1340 * loop-init.c (loop_optimizer_init): Use flags to determine
1341 which properties of loops to prepare.
1342 (rtl_loop_init): Pass flags to loop_optimizer_init.
1343 * tree-ssa-sink.c (execute_sink_code): Ditto.
1344 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1345 * tree-ssa-pre.c (init_pre): Ditto.
1346 * cfgloop.h (LOOPS_NORMAL): New.
1347 (loop_optimizer_init): Declaration changed.
1349 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1351 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1352 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1353 pa/t-pa.
1354 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1355 pa/t-pa.
1356 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1357 pa/x-ada.
1358 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1359 * pa/t-pa64: Delete quadlib.c rule.
1360 * pa/x-ada: Revert last change.
1361 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1363 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1365 PR rtl-optimization/26087
1366 * rtlanal.c (canonicalize_condition): Do not cross basic block
1367 boundaries.
1369 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1371 PR debug/24444
1372 * config/ia64/ia64.c: Include debug.h.
1373 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1374 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1375 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1376 (process_epilogue, process_set, process_for_unwind_directive):
1377 Output unwind info only if requested. Add CFA info if requested.
1378 Add new arguments as needed. Adjust callers.
1379 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1380 incorrect default.
1381 (DWARF2_FRAME_INFO): Define to zero.
1382 * config/ia64/unwind-ia64.c: Remove code that compensated for
1383 the CFA offset error fixed above.
1384 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1385 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1386 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1387 -funwind-tables and -fexceptions to enable frame info.
1388 (dwarf2out_frame_init): Define initial CFA even if
1389 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1390 DWARF2_UNWIND_INFO is nonzero, not just defined.
1391 (dwarf2out_frame_finish): Output non-EH call frame info only
1392 if DWARF2_FRAME_INFO is nonzero.
1393 (convert_cfa_to_loc_list,
1394 compute_frame_pointer_to_cfa_displacement): Define even if
1395 unwind info is not supported.
1396 (gen_subprogram_die): Use the above unconditionally. Remove
1397 legacy alternate code.
1398 * toplev.c (compile_file): Compile in call to
1399 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1400 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1402 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1403 Jakub Jelinek <jakub@redhat.com>
1405 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1406 IBM extended float format long double as "g" on powerpc*-linux.
1408 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1410 PR target/25926
1411 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1412 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1414 2006-02-03 Jason Merrill <jason@redhat.com>
1416 PR c++/25979
1417 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1419 PR middle-end/25977
1420 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1421 on the return slot if it's an NRV.
1423 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1425 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1426 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1427 rewrite_use): Do not handle USE_OUTER.
1428 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1429 add_iv_outer_candidates, may_replace_final_value,
1430 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1431 (find_interesting_uses_op): Functionality of
1432 find_interesting_uses_outer_or_nonlin moved here.
1433 (find_interesting_uses_outside): Use find_interesting_uses_op.
1435 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1437 PR target/25960
1438 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1440 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1441 Ulrich Weigand <uweigand@de.ibm.com>
1443 PR target/25864
1444 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1445 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1446 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1447 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1448 and dxr fields.
1449 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1450 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1451 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1452 Define secondary reloads for TFmode moves.
1453 (constant_modes): Add TFmode.
1454 (NR_C_MODES): Set to 8.
1455 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1456 builtin define.
1457 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1458 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1459 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1460 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1461 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1462 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1463 (FPR mode macro): Add TFmode.
1464 (DSF mode macro): New.
1465 (<de>, <dee> mode attributes): Removed.
1466 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1467 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1468 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1469 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1470 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1471 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1472 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1473 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1474 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1475 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1476 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1477 "*negabs<mode>2", "sqrt<mode>2"):
1478 Changed <de> to <xde>. R constraint replaced by <Rf>.
1479 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1480 <Rf>.
1481 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1482 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1483 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1484 splitters.
1485 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1486 "extenddftf2", "extendsftf2"): New expanders.
1487 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1488 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1489 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1490 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1491 New options.
1492 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1493 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1494 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1495 __floatditf): Add a GCC_4.1.0 symbol version tag.
1496 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1497 the new options.
1499 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1501 PR target/25377
1502 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1503 Use targetm.binds_local_p instead of TREE_PUBLIC.
1505 2006-02-02 Roger Sayle <roger@eyesopen.com>
1507 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1508 on INTEGER_TYPEs to indicate that it denotes a character type.
1509 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1510 signed_char_type_node, unsigned_char_type_node and char_type_node.
1511 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1512 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1513 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1515 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1516 Daniel Berlin <dberlin@dberlin.org>
1518 * tree-tailcall.c (arg_needs_copy_p): New function.
1519 (eliminate_tail_call): Use arg_needs_copy_p.
1520 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1521 (add_virtual_phis): New function.
1523 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1525 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1526 #ignore instead of #scratch for %g7 .register directive.
1528 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1530 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1531 object files.
1533 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1535 * flow.c (calculate_global_regs_live): Assert that there aren't any
1536 EDGE_FAKE edges.
1538 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1540 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1541 what its name says.
1542 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1543 bsi_after_labels iterator.
1544 * tree-if-conv.c (find_phi_replacement_condition,
1545 replace_phi_with_cond_modify_expr): Likewise.
1546 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1547 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1549 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1551 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1553 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1555 PR 25990
1556 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1557 array after growing it.
1559 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1561 PR middle-end/24901
1562 * fold-const.c (fold_checksum_tree): Change type of buf.
1564 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1566 * reload.c (push_secondary_reload): Initialize t_icode.
1568 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1570 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1571 -msoft-float -mlong-double-128 only issue a warning, but don't
1572 swich to DFmode long double.
1574 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1576 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1577 has a constant equivalent, iterate over equivalents for arg0,
1578 calling simplify_relational_operation and if there's a result
1579 cheaper than X, apply fold_rtx and return the result.
1581 2006-02-01 Jan Hubicka <jh@suse.cz>
1583 * opts.c (no_unit_at_a_time_default): New global variable.
1584 (decode_options): Use it.
1585 * opts.h (no_unit_at_a_time_default): Declare.
1587 2006-02-01 Paul Brook <paul@codesourcery.com>
1589 * function.c (assign_parm_setup_reg): Use function argument promotion
1590 rules.
1591 * expr.c (expand_expr_real_1): Use function argument promotion rules
1592 for PARM_DECLs.
1594 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1596 * gcc.c (process_command): Change j to 'unsigned int'.
1598 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1600 PR middle-end/26001
1601 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1602 Use the corrected index for the character
1603 out of the string constant.
1605 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1607 * mode-switching.c (optimize_mode_switching): Fix size
1608 allocated for bb_info[n_entities].
1610 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1612 * gcc.c (main): Correct type that is allocated for
1613 explicit_link_files.
1615 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1617 * config/s390/s390.c (init_alignment_context): Set
1618 ALIAS_SET_MEMORY_BARRIER on the MEM.
1619 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1621 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1623 PR middle-end/25933
1624 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1625 dom_bbs pointer.
1626 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1627 call to tpa_init.
1629 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1631 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1632 * regrename.c: Ditto.
1633 * tree-ssa-loop-im.c: Ditto.
1634 * tree-dump.c: Ditto.
1635 * tree-complex.c: Ditto.
1636 * genrecog.c: Ditto.
1637 * tree-ssa-threadupdate.c: Ditto.
1638 * tracer.c: Ditto.
1639 * java/class.c: Ditto.
1640 * java/jcf-parse.c: Ditto.
1641 * java/resource.c: Ditto.
1642 * java/except.c: Ditto.
1643 * java/jvspec.c: Ditto.
1644 * java/jcf-write.c: Ditto.
1645 * java/jcf-path.c: Ditto.
1646 * java/gjavah.c: Ditto.
1647 * java/zextract.c: Ditto.
1648 * java/jcf-io.c: Ditto.
1649 * java/jcf.h: Ditto.
1650 * java/buffer.c: Ditto.
1651 * java/lang.c: Ditto.
1652 * java/parse-scan.y: Ditto.
1653 * java/lex.c: Ditto.
1654 * java/lex.h: Ditto.
1655 * cfgloopmanip.c: Ditto.
1656 * postreload-gcse.c: Ditto.
1657 * tree-ssa-loop-manip.c: Ditto.
1658 * postreload.c: Ditto.
1659 * tree-ssa-loop-ch.c: Ditto.
1660 * loop.c: Ditto.
1661 * ipa-cp.c: Ditto.
1662 * cppspec.c: Ditto.
1663 * diagnostic.c: Ditto.
1664 * final.c: Ditto.
1665 * genoutput.c: Ditto.
1666 * gcc.c: Ditto.
1667 * cfghooks.c: Ditto.
1668 * cfgloopanal.c: Ditto.
1669 * objc/objc-act.c: Ditto.
1670 * gcov.c: Ditto.
1671 * genextract.c: Ditto.
1672 * genautomata.c: Ditto.
1673 * pretty-print.c: Ditto.
1674 * genemit.c: Ditto.
1675 * cgraphunit.c: Ditto.
1676 * flow.c: Ditto.
1677 * df-scan.c: Ditto.
1678 * haifa-sched.c: Ditto.
1679 * dominance.c: Ditto.
1680 * dbxout.c: Ditto.
1681 * tree-ssa-loop-ivopts.c: Ditto.
1682 * df-core.c: Ditto.
1683 * mode-switching.c: Ditto.
1684 * modulo-sched.c: Ditto.
1685 * graph.c: Ditto.
1686 * ipa-pure-const.c: Ditto.
1687 * cse.c: Ditto.
1688 * fix-header.c: Ditto.
1689 * web.c: Ditto.
1690 * tree-stdarg.c: Ditto.
1691 * ipa-utils.c: Ditto.
1692 * loop-init.c: Ditto.
1693 * ipa-inline.c: Ditto.
1694 * cfganal.c: Ditto.
1695 * global.c: Ditto.
1696 * alloc-pool.c: Ditto.
1697 * dwarf2out.c: Ditto.
1698 * opts.c: Ditto.
1699 * genattrtab.c: Ditto.
1700 * tree-ssa-loop-ivcanon.c: Ditto.
1701 * predict.c: Ditto.
1702 * timevar.c: Ditto.
1703 * lcm.c: Ditto.
1704 * fortran/gfortranspec.c: Ditto.
1705 * regmove.c: Ditto.
1706 * local-alloc.c: Ditto.
1707 * langhooks.c: Ditto.
1708 * function.c: Ditto.
1709 * tree-vectorizer.c: Ditto.
1710 * gcse.c: Ditto.
1711 * ipa-type-escape.c: Ditto.
1712 * alias.c: Ditto.
1713 * tree-if-conv.c: Ditto.
1714 * profile.c: Ditto.
1715 * ipa.c: Ditto.
1716 * tree-data-ref.c: Ditto.
1717 * loop-unroll.c: Ditto.
1718 * treelang/treetree.c: Ditto.
1719 * calls.c: Ditto.
1720 * bt-load.c: Ditto.
1721 * ggc-common.c: Ditto.
1722 * except.c: Ditto.
1723 * coverage.c: Ditto.
1724 * cselib.c: Ditto.
1725 * tree-cfgcleanup.c: Ditto.
1726 * tree-ssa-pre.c: Ditto.
1727 * cfgcleanup.c: Ditto.
1728 * loop-invariant.c: Ditto.
1729 * loop-iv.c: Ditto.
1730 * ipa-prop.c: Ditto.
1731 * print-tree.c: Ditto.
1732 * conflict.c: Ditto.
1733 * ggc-page.c: Ditto.
1734 * sched-deps.c: Ditto.
1735 * regclass.c: Ditto.
1736 * tree-object-size.c: Ditto.
1737 * combine.c: Ditto.
1738 * bb-reorder.c: Ditto.
1739 * resource.c: Ditto.
1740 * var-tracking.c: Ditto.
1741 * cfgloop.c: Ditto.
1742 * df-problems.c: Ditto.
1743 * reg-stack.c: Ditto.
1744 * tlink.c: Ditto.
1745 * gccspec.c: Ditto.
1746 * sched-rgn.c: Ditto.
1747 * tree-ssa-structalias.c: Ditto.
1748 * tree-ssa-reassoc.c: Ditto.
1749 * config/darwin-c.c: Ditto.
1750 * config/darwin.c: Ditto.
1751 * config/arm/arm.c: Ditto.
1752 * cfgrtl.c: Ditto.
1753 * collect2.c: Ditto.
1754 * reload1.c: Ditto.
1756 2006-01-31 Nicolas Pitre <nico@cam.org>
1758 * arm.md (smaxsi3): Make aware of smax_m1.
1759 (smax_m1): New.
1761 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1763 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1765 2006-01-31 Richard Guenther <rguenther@suse.de>
1767 * doc/invoke.texi (-msselibm): Document.
1768 * target.h (expand_library_builtin): New target hook.
1769 * builtins.c (expand_builtin): Use expand_library_builtin.
1770 (default_expand_library_builtin): New function.
1771 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1772 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1773 (link_gcc_math_spec): Declare.
1774 (static_specs): Add link_gcc_math_spec.
1775 * expr.h (default_expand_library_builtin): Declare.
1776 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1777 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1778 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1779 * config/i386/i386.opt (msselibm): New target option.
1780 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1781 (ix86_init_sse_abi_builtins): New function.
1782 (ix86_expand_library_builtin): Likewise.
1783 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1784 (override_options): Handle error conditions wrt -msselibm.
1785 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1786 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1787 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1788 builtins.
1790 2006-01-31 Richard Guenther <rguenther@suse.de>
1791 Paolo Bonzini <bonzini@gnu.org>
1793 * doc/install.texi (--disable-libgcc-math): Document.
1795 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1797 * expr.h (expand_normal): new inline function.
1798 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1799 * dojump.c: use it.
1800 * dwarf2out.c: use it.
1801 * expr.c: use it.
1802 * calls.c: use it.
1803 * expmed.c: use it.
1804 * except.c: use it.
1805 * config/sparc/sparc.c: use it.
1806 * config/i386/i386.c: use it.
1807 * config/rs6000/rs6000.c: use it.
1808 * config/arm/arm.c: use it.
1809 * config/mips/mips.c: use it.
1810 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1812 2006-01-30 Roger Sayle <roger@eyesopen.com>
1814 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1815 argv to the appropriate type.
1817 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1819 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1820 unreachable code.
1822 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1824 PR target/26018
1825 * config/s390/s390.c (struct machine_function): New flag
1826 decomposed_literal_pool_addresses_ok_p.
1827 (s390_reorg): Set it before final stage of literal pool transforms.
1828 (s390_decompose_address): Only accept displacements of the form
1829 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1831 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1833 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1834 the comparison routine return.
1836 2006-01-30 Michael Matz <matz@suse.de>
1838 * global.c (find_reg): Only evict for global regs.
1839 Take n_refs into account and dump more info.
1841 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1843 PR target/14798:
1844 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1845 (pragma_trap, pragma_nosave_low_regs): Likewise.
1846 (current_function_anonymous_args): Likewise.
1847 (sh_deferred_function_attributes): New variable.
1848 (sh_deferred_function_attributes_tail): Likewise.
1849 (print_operand): For '@', look up trap_exit attribute.
1850 (calc_live_regs): Look up trapa_handler attribute. For trapa
1851 handlers, save/restore fpscr, but don't do any other
1852 interrupt-specific saves.
1853 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1854 Fix check for partially saved registers to check for SHmedia.
1855 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1856 (sh_output_function_epilogue): Don't clear any of the removed
1857 variables.
1858 (sh_insert_attributes): Don't check pragma_interrupt.
1859 Insert deferred attributes. Check that interrupt attribute is
1860 present for other attributes that require its presence.
1861 (sh_attribute_table): Add new attributes trapa_handler and
1862 nosave_low_regs.
1863 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1864 Don't check for pragma_interrupt. Don't store argument.
1865 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1866 (sh_deferred_function_attributes): Declare.
1867 (sh_deferred_function_attributes_tail): Likewise.
1868 * sh.md (sp_switch_1): Add operand. Change generator caller.
1869 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1870 (*return_i): Don't use when trap_exit attribute is in effect.
1871 (*return_trapa): New insn pattern.
1872 * sh-c.c: New file.
1873 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1874 setting c_target_objs and cxx_target_objs.
1875 * t-sh: Add rule for sh-c.o.
1877 2006-01-30 Richard Guenther <rguenther@suse.de>
1879 PR c++/23372
1880 * gimplify.c (gimplify_target_expr): Handle easy cases
1881 without creating a temporary.
1883 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1885 * vec.h (safe_grow): Remove duplicated line.
1887 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1889 PR 25874
1890 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1891 (expand_omp): ... here.
1892 (expand_omp_parallel): Only remove barriers for combined
1893 parallel+workshare constructs.
1895 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1897 Revert
1899 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1900 * tree.c (build_qualified_type): Chain the new type to the original
1901 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1902 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1903 (build_pointer_type_for_mode): Only return unqualified types.
1904 (build_reference_type_for_mode): Likewise.
1906 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1908 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1909 * Makefile.in (CXX_COMPAT_WARN): Define.
1910 * configure: Regenerate.
1912 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1914 PR tree-opt/25911
1915 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1916 to an if check.
1918 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1920 * toplev.c: Fix thinko.
1922 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1923 Marcin Dalecki <martin@dalecki.de>
1925 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1926 (push_srcloc): Use XNEW.
1927 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1929 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1931 * df-core.c (df_set_blocks): Deleted all variable.
1933 2006-01-28 Ian Lance Taylor <ian@airs.com>
1935 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1936 cgraph_output_pending_asms.
1938 2006-01-28 Zack Weinberg <zackw@panix.com>
1940 * c.opt: Add -W(no-)overlength-strings.
1941 * doc/invoke.texi: Document it.
1942 * c-opts.c (c_common_handle_option): -pedantic implies
1943 -Woverlength-strings, if not explicitly disabled already.
1944 (c_common_post_options): -Woverlength-strings defaults to off, and
1945 is always off for C++.
1946 * c-common.c (fix_string_type): Issue warning about strings longer
1947 than is portable only if warn_overlength_strings. Rearrange code
1948 a little for clarity.
1949 * configure.in: Check for -Wno-overlength-strings as well before
1950 enabling -pedantic in stage 1.
1951 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1952 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1954 * genconditions.c (write_header, write_one_condition)
1955 (write_conditions, write_writer): Consolidate very long strings
1956 that were broken up to fit in C89 portable limit. Don't use
1957 printf when fputs will do.
1959 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1961 * combine.c (simplify_comparison <AND>): Check
1962 TRULY_NOOP_TRUNCATION before start using a subreg.
1964 * config/mips/mips.md (*branch_zero<mode>,
1965 *branch_zero<mode>_inverted, *branch_equality<mode>,
1966 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1967 Remove mode check from comparisons.
1969 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1971 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1973 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1975 * expmed.c (const_mult_add_overflow_p): Remove.
1976 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1978 * recog.c (validate_replace_rtx_subexp): Remove.
1979 * recog.h: Remove the prototype for
1980 validate_replace_rtx_subexp.
1982 * integrate.h: Remove the prototype for
1983 copy_decl_for_inlining.
1984 * rtl.h: Remove the prototype for mark_constant_function.
1985 * tree-vectorizer.h: Remove the prototype for
1986 vect_strip_conversion.
1988 * modulo-sched.c (create_partial_schedule,
1989 free_partial_schedule, reset_partial_schedule): Make them
1990 static.
1992 * hooks.c (hook_bool_rtx_int_false): Remove.
1993 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1995 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1997 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1998 and -mlong-double-128 are incompatible.
1999 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2000 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2001 (TARGET_LIBGCC2_CFLAGS): Define.
2002 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2003 (TARGET_LIBGCC2_CFLAGS): Same.
2004 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2006 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2008 PR c/19606.
2009 * c-typeck.c (build_binary_op): Perform implicit casts of
2010 operands before shortening them.
2012 * cfgloopmanip.c (split_loop_bb): Remove.
2013 * cfgloop.h: Remove the prototype for split_loop_bb.
2015 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2016 * cfgloop.h: Remove the prototype for
2017 flow_loop_outside_edge_p.
2019 * emit-rtl.c (init_virtual_regs): Make it static.
2020 * function.h: Remove the prototype for init_virtual_regs.
2022 * recog.c (peephole2_optimize): Make it static.
2023 * recog.h: Remove the prototype for peephole2_optimize.
2025 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2027 * df-scan.c (df_record_entry_block_defs): Check if
2028 INCOMING_RETURN_ADDR_RTX is defined.
2030 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2031 Kenneth Zadeck <zadeck@naturalbridge.com>
2033 PR rtl-optimization/24762
2034 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2035 * targhooks.c (hook_void_bitmap): New hook prototype.
2036 * targhoohs.h (hook_void_bitmap): Ditto.
2037 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2038 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2039 * target.h (live_on_entry): New function pointer.
2040 * df-scan.c (df_all_hard_regs): Removed.
2041 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2042 (df_scan_free_internal): Added df->entry_block_defs.
2043 (df_scan_alloc): Ditto.
2044 (df_scan_dump): Ditto.
2045 (df_uses_record): Plumbed flag field properly thru calls.
2046 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2047 This part fixes PR24762.
2048 (df_bb_refs_record): Added code to make the frame and arg
2049 pointers live in EH blocks.
2050 (df_refs_record): Added call to df_record_entry_block_defs.
2051 (df_record_entry_block_defs): New function.
2052 * df-core.c: Added comments to describe new artifical defs.
2053 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2054 (entry_block_defs): New field in struct df.
2055 (df_all_hard_regs): Deleted.
2056 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2057 * df-problems.c (df_ru_bb_local_compute_process_def):
2058 Added code to handle artifical defs in the entry to a function.
2059 (df_ru_bb_local_compute): Ditto.
2060 (df_rd_bb_local_compute_process_def): Ditto.
2061 (df_rd_bb_local_compute): Ditto.
2062 (df_lr_bb_local_compute): Ditto.
2063 (df_ur_bb_local_compute): Ditto.
2064 (df_urec_bb_local_compute): Ditto.
2065 (df_chain_create_bb): Ditto.
2066 (df_ur_local_finalize): Removed entry.
2067 (df_urec_init): Ditto.
2068 (df_urec_local_finalize): Ditto.
2069 (df_ri_bb_compute): Added detection of last use of pseudos.
2070 * Makefile.in (df-scan.o): Updated dependencies.
2071 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2072 * config/mips/mips.c (mips_set_live_on_entry): Added.
2073 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2074 for target hook.
2075 * dce.c (marked_insn_p): Added code to handle artifical defs.
2077 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2079 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2080 intrinsic.
2081 (_mm_cvtsi128_si64): Likewise.
2082 (_mm_cvtsd_si64): Likewise.
2083 (_mm_cvttsd_si64): Likewise.
2084 (_mm_cvtsi64_sd): Likewise.
2085 (_mm_cvtsi64_si128): Likewise.
2086 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2087 (_mm_cvtsi64_m64): Likewise.
2088 (_m_to_int64): Likewise.
2089 (_mm_cvtm64_si64): Likewise.
2090 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2091 (_mm_cvttss_si64): Likewise.
2092 (_mm_cvtsi64_ss): Likewise.
2093 (_mm_cvtss_f32): Likewise.
2095 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2097 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2098 for pragma redefine_extname.
2100 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2102 PR target/25864
2103 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2104 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2105 -mno-minimal-toc to previous content.
2106 (bispecs): Remove goal.
2107 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2108 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2109 compatibility aliases on powerpc-*-*gnu*.
2110 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2111 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2112 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2113 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2114 (ldblspecs): New goal.
2115 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2116 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2117 _df_to_tf.
2118 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2119 L_sf_to_tf or L_df_to_tf is defined.
2121 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2122 Alan Modra <amodra@bigpond.net.au>
2124 PR target/25864
2125 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2126 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2127 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2128 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2129 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2130 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2131 (rs6000_override_options): Initialize rs6000_ieeequad.
2132 Initialize TFmode format to ibm_extended_format if not
2133 TARGET_IEEEQUAD.
2134 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2135 ieeelongdouble.
2136 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2137 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2138 (function_arg_advance): IBM long double passed in two FPRs, not
2139 split.
2140 (function_arg): IBM long double passed in FPRs.
2141 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2142 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2143 Only multireg GPR aligned.
2144 (rs6000_init_libfuncs): Enable IBM long double functions if not
2145 IEEEQUAD.
2146 (rs6000_generate_compare): Use IBM long double compare if not
2147 TARGET_IEEEQUAD.
2148 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2149 (TARGET_IEEEQUAD): Define.
2150 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2151 not TARGET_IEEEQUAD.
2152 * config/rs6000/rs6000.md: Enable TFmode patterns if
2153 !TARGET_IEEEQUAD.
2154 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2155 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2156 and -mlong-double-128 are incompatible.
2157 * doc/invoke.texi (-mabi): Collect options together. Add
2158 ibmlongdouble and ieeelongdouble.
2160 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2162 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2163 opaque type.
2164 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2165 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2166 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2167 * rtl.h (rtunion_def): Remove rt_ptr.
2168 (X0PTR): Delete.
2169 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2170 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2171 * config/i386/winnt.c (i386_pe_mark_dllexport)
2172 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2174 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2176 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2178 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2180 PR other/24829
2181 PR target/24831
2182 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2183 pthread_key_delete. From John David Anglin. gthrw-ify
2184 pthread_getunique_np only if it it's not a macro. Delete
2185 UNUSED macro.
2186 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2187 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2188 __gthread_objc_condition_signal, __gthread_key_delete): Add
2189 "__attribute__ ((__unused__))" to unused arguments.
2190 (__gthread_recursive_mutex_init_function): Add missing return.
2191 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2192 gthr-posix95.h: Use macro-based approach for name redirection
2193 on targets missing weakref.
2195 2006-01-26 Zack Weinberg <zackw@panix.com>
2197 * genconditions.c (write_header): In generated code, #ifdef out
2198 all includes and fake declarations, except includes of bconfig.h
2199 and system.h, unless GCC_VERSION >= 3001. Do not include
2200 gensupport.h in any case.
2201 (write_conditions): Generate a definition of struct c_test. Add
2202 a comment to the generated #endif.
2203 (write_one_condition): Escape backslashes in string too.
2204 (write_writer): Generated code must escape backslashes and quote
2205 marks (but not newlines) in the strings it writes.
2206 * Makefile.in (build/gencondmd.o): Update dependencies.
2208 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2210 PR target/25961
2211 * Makefile.in (insn-automata.o): Add header file dependencies.
2212 * genautomata.c: Add includes.
2214 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2216 PR target/25961
2217 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2219 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2221 * configure.ac: Expect target tools paths to be passed from the toplevel
2222 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2223 AS_SET_VAR_IF.
2224 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2226 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2228 PR c/25892
2229 * c.opt (Wpointer-sign): Init to -1.
2230 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2231 OPT_pedantic, to 0 otherwise.
2232 * doc/invoke.texi: Update.
2234 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2236 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2237 constants provided by 80387 instructions in the destination mode.
2239 2006-01-26 Richard Guenther <rguenther@suse.de>
2240 Andrew Pinski <pinskia@physics.uc.edu>
2242 PR tree-opt/21470
2243 partial PR tree-opt/17064
2244 * tree-ssa-structalias.c (intra_create_variable_infos):
2245 Create heap variables for incoming parameters if
2246 flag_argument_noalias > 1.
2247 (find_what_p_points_to): Look through default defs of
2248 parameter decls.
2250 2006-01-26 Jeff Law <law@redhat.com>
2252 PR ada/25900
2253 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2254 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2255 within the VR_RANGE, use the VR_RANGE as the result, not the
2256 VR_ANTI_RANGE.
2257 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2258 bounds for the type.
2260 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2262 * tree-ssa-alias.c (maybe_create_global_var): Change
2263 subvar walking to an assertion that we don't have subvar'd variables.
2265 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2267 PR C/25861
2268 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2269 Use a new variable, inner. PARM_DECLs are always non-weak.
2271 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2273 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2274 --disable-checking.
2276 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2278 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2280 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2282 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2283 (smax_insn, smin_insn, smax_0, smin_0): New.
2285 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2287 PR target/25947
2288 * config/cris/cris.c (cris_order_for_addsi3): New function.
2289 * config/cris/cris-protos.h: Prototype it.
2290 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2291 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2292 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2293 (split for "op.S1 [rx=rx+i],ry (swapped)")
2294 (split for "op(s|u).S1 [rx=rx+i],ry")
2295 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2296 Apply cris_order_for_addsi3 when generating addsi3 insns.
2298 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2300 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2301 (TREE_BLOCK): Add call to EXPR_CHECK.
2303 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2305 PR 25886
2306 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2307 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2308 (dump_omp_clauses): ... here.
2309 (dump_generic_node): Handle OMP_CLAUSE.
2310 * tree.c (omp_clause_num_ops): New.
2311 (omp_clause_code_name): New.
2312 (tree_code_size): Handle OMP_CLAUSE.
2313 (tree_size): Likewise.
2314 (make_node): Document handling of OMP_CLAUSE.
2315 (tree_node_structure): Handle OMP_CLAUSE.
2316 (omp_clause_check_failed): New.
2317 (omp_clause_range_check_failed): New.
2318 (omp_clause_operand_check_failed): New.
2319 (build_omp_clause): New.
2320 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2321 * tree.h (enum omp_clause_code): Declare.
2322 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2323 (OMP_CLAUSE_RANGE_CHECK): Define.
2324 (OMP_CLAUSE_ELT_CHECK): Define.
2325 (omp_clause_check_failed): Declare.
2326 (omp_clause_operand_check_failed): Declare.
2327 (omp_clause_range_check_failed): Declare.
2328 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2329 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2330 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2331 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2332 (OMP_CLAUSE_IF_EXPR): Likewise.
2333 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2334 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2335 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2336 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2337 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2338 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2339 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2340 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2341 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2342 (OMP_CLAUSE_CODE): Define.
2343 (OMP_CLAUSE_SET_CODE): Define.
2344 (OMP_CLAUSE_CODE): Define.
2345 (OMP_CLAUSE_OPERAND): Define.
2346 (struct tree_omp_clause): Declare.
2347 (union tree_node): Add field 'omp_clause'.
2348 * treestruct.def (TS_OMP_CLAUSE): Define.
2349 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2350 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2351 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2352 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2353 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2354 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2355 (OMP_CLAUSE): Define.
2356 * print-tree.c (print_node): Handle OMP_CLAUSE.
2357 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2358 * c-typeck.c: Likewise.
2359 * gimplify.c: Likewise.
2360 * c-omp.c: Likewise.
2361 * tree-nested.c: Likewise.
2362 * tree-inline.c: Likewise.
2363 * c-parser.c: Likewise.
2364 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2365 clauses.
2367 2006-01-25 Roger Sayle <roger@eyesopen.com>
2369 PR rtl-optimization/25703
2370 * combine.c (try_combine): Handle zero_extract and strict_low_part
2371 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2373 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2375 * global.c: Fix comment typos.
2377 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2379 PR target/25758
2380 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2381 Use output_addr_const instead of assemble_name.
2383 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2385 * Makefile.in (sched-vis.o): Update dependencies.
2386 * haifa-sched.c (sched_finish): Clear current_sched_info.
2387 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2388 (dump_flow_info): Call it.
2389 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2390 a slim RTL dump.
2391 * basic-block.h (dump_bb_info): Declare.
2392 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2393 option, and apply options only for dump files whose TDF_RTL,
2394 TDF_TREE, or TDF_IPA bits match.
2395 * rtl.h: Declare new functions exported from sched-vis.c.
2396 * sched-vis.c: Enable also if scheduling is not used.
2397 (print_value): Print the mode of registers if not inside scheduling.
2398 (print_insn): Make it work outside the scheduler. Beautify the output
2399 a bit.
2400 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2402 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2404 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2405 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2406 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2407 depending on the value of CONSTANT_POOL_ADDRESS_P.
2408 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2409 SYMBOL_REF_DECL.
2410 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2411 rather than SYMBOL_REF_DECL.
2412 (rtx_constant_pool): Remove const_rtx_sym_htab.
2413 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2414 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2415 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2416 Remove handling of const_rtx_sym_htab.
2417 (find_pool_constant): Delete.
2418 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2419 rather than find_pool_constant.
2420 (get_pool_constant_for_function): Delete.
2421 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2422 find_pool_constant.
2423 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2424 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2425 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2426 (SYMBOL_REF_CONSTANT): New macro.
2427 (get_pool_constant_for_function): Delete.
2428 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2429 rather than SYMBOL_REF_DECL.
2430 (i386_pe_mark_dllimport): Likewise.
2431 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2432 rather than SYMBOL_REF_DECL.
2433 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2434 (machopic_indirect_call_target): Likewise.
2436 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2438 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2440 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2442 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2444 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2446 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2448 2006-01-24 David Daney <ddaney@avtrex.com>
2450 PR java/25816
2451 * configure.ac (enable_tls): New enable option.
2452 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2453 * configure: Regenerate.
2454 * doc/install.texi (--enable-tls): Document new option.
2455 (--disable-tls): Ditto.
2457 2006-01-24 Richard Henderson <rth@redehat.com>
2459 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2460 * alias.c (true_dependence): Respect it.
2461 (canon_true_dependence, write_dependence_p): Likewise.
2462 * builtins.c (get_builtin_sync_mem): Set it.
2464 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2466 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2467 efficient way.
2469 2006-01-24 DJ Delorie <dj@redhat.com>
2471 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2472 for storing constants in single-bit bitfields.
2474 2006-01-25 Ben Elliston <bje@au.ibm.com>
2476 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2478 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2480 PR tree-opt/25860
2481 * tree-ssa-pre.c (phi_translate): Return NULL
2482 for AGGREGATE_TYPE's.
2484 2006-01-24 Zack Weinberg <zackw@panix.com>
2486 * genautomata.c (process_state_for_insn_equiv_partition):
2487 Use xcalloc for insn_arcs_array.
2488 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2489 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2491 2006-01-24 Richard Henderson <rth@redhat.com>
2493 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2494 update all callers.
2496 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2498 PR rtl-optimization/25890
2499 PR rtl-optimization/25905
2500 * combine.c (expand_compound_operation, expand_field_assignment):
2501 Fail if the bitfield's final position is out of bounds.
2503 2006-01-24 Ian Lance Taylor <ian@airs.com>
2505 PR middle-end/25930
2506 * cgraphunit.c (cgraph_output_in_order): Don't clear
2507 cgraph_asm_nodes until after asm strings have been output.
2509 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2511 * fix-header.c (read_scan_file): Add new parameter imultilib when
2512 calling register_include_chains.
2514 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2516 * omp-low.c: Update documentation.
2518 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2519 Daniel Berlin <dberlin@dberlin.org>
2521 PR tree-opt/25315
2522 PR tree-opt/25857
2523 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2524 return from the function.
2526 2006-01-22 Zack Weinberg <zackw@panix.com>
2528 * rtl.def (match_code): Add second argument.
2529 * genpreds.c (write_extract_subexp): New function.
2530 (write_match_code): Add path argument. Use write_extract_subexp.
2531 (write_predicate_expr): Pass path to write_match_code.
2532 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2533 not perform a mode test.
2534 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2535 a subexpression does not constrain the top-level code set.
2536 * read-rtl.c (read_rtx_variadic): New function.
2537 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2538 * doc/md.texi: Document new notation.
2539 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2540 (cmpsi_operand): ... here, using new notation.
2542 2006-01-22 Zack Weinberg <zackw@panix.com>
2544 * varray.c: Remove GENERATOR_FILE #ifdefs.
2546 2006-01-22 Zack Weinberg <zackw@panix.com>
2548 * genautomata.c (output_reserved_units_table): Emit nothing if
2549 description->query_units_num is zero. Remove extra blank line.
2550 (output_cpu_unit_reservation_p): Short circuit
2551 if description->query_units_num is zero.
2553 2006-01-22 Zack Weinberg <zackw@panix.com>
2555 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2556 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2557 nor any of the random handful of variables that used to be necessary
2558 when this program was linked with rtlanal.o. Prune set of forward
2559 function declarations.
2560 (struct attr_desc): Remove static_p field.
2561 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2562 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2563 (attr_string): Do not read the character one past the length of
2564 the string.
2565 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2566 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2567 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2568 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2569 (make_automaton_attrs): New.
2570 (main): Do not call into genautomata. Call local gen_bypass
2571 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2572 Remove special case for insn_alts.
2573 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2574 varray.h (leftover from previous change). Prune set of forward
2575 function declarations. Remove state_alts fields from all
2576 structures. Remove state_alts_table from struct automaton.
2577 Make everything except main static. Do not maintain num_dfa_decls.
2578 Do not maintain state_alts fields of various structures.
2579 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2580 (add_arc): Remove state_alts argument. All callers updated.
2581 (output_reserved_units_table): Emit #ifdef here...
2582 (output_tables): ...not here. Don't generate state_alts tables.
2583 (expand_automata): Don't generate attributes.
2584 (write_automata): Don't generate state_alts functions.
2585 (main): New function.
2586 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2587 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2588 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2589 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2590 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2591 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2592 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2593 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2594 Delete.
2595 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2596 * genattrtab.h: Delete file.
2597 * Makefile.in (OBJS-common): Add insn-automata.o.
2598 (insn-automata.o): New rule.
2599 (simple_generated_c): Add insn-automata.c.
2600 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2601 (genprogmd): Add automata.
2602 (build/genattrtab): Needs no extra objects nor libraries.
2603 (build/genautomata): Needs build/vec.o and -lm.
2605 2006-01-22 Zack Weinberg <zackw@panix.com>
2607 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2608 (output_dfa_max_issue_rate, locked_states_num): Delete.
2609 (struct automaton): Add locked_states field.
2610 (output_dead_lock_vect): Save number of locked states in
2611 automaton->locked_states. If it is zero, don't print anything.
2612 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2613 (output_internal_dead_lock_func): Only test the dead_lock_vect
2614 for automata that have locked states.
2615 (output_statistics): Always print the number of locked states for
2616 each automaton. Calculate total number of locked states here.
2617 (write_automata): Don't call output_dfa_max_issue_rate.
2618 * genattrtab.c: Define length_unit_log as a const variable.
2619 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2620 max_insn_queue_index const.
2621 * final.c (length_unit_log): Declare const.
2622 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2624 2006-01-22 Zack Weinberg <zackw@panix.com>
2626 * genautomata.c: Include vec.h, not varray.h.
2627 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2628 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2629 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2630 VEC_* macros operating on appropriately typed vectors, or to
2631 malloced arrays when the size is known in advance. Const-ify
2632 many char* variables and function arguments. No functional changes.
2633 * Makefile.in (build/varray.o): Delete rule.
2634 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2635 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2637 2006-01-22 Zack Weinberg <zackw@panix.com>
2639 * gensupport.c: Define get_insn_name and record_insn_name here.
2640 (read_md_rtx): Call record_insn_name as appropriate.
2641 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2642 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2643 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2644 record_insn_name.
2645 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2646 (BUILD_VARRAY): Delete.
2647 (genprognormal): Rename genprogmd. Fold in all programs from
2648 genprognoprint; also attrtab.
2649 (build/genattrtab): Just mention genautomata.o and varray.o.
2650 Reorganize a bit, add comments to make the categories clearer.
2652 2006-01-22 Zack Weinberg <zackw@panix.com>
2654 * genconditions.c (condition_table, add_condition): Delete.
2655 (write_conditions): Don't emit n_insn_conditions nor
2656 insn_elision_unavailable. Issue the gcc version #ifdef here,
2657 inside the table, with no #else clause ...
2658 (write_header): ...not here.
2659 (write_writer): New function.
2660 (main): Don't initialize condition_table. Use add_c_test.
2661 Call write_writer.
2662 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2663 files on the command line.
2664 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2665 Return -1 if there is no entry in the table, don't abort.
2666 (add_c_test, traverse_c_tests): New functions.
2667 * gensupport.h (insn_elision_unavailable, insn_conditions)
2668 (n_insn_conditions): Delete declarations.
2669 (add_c_test, traverse_c_tests): Declare.
2670 * read-rtl.c: Include gensupport.h.
2671 (read_conditions): New function.
2672 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2673 (read_rtx_1): If we get EOF when we were looking for an initial
2674 open paren, return 0. Call read_conditions when appropriate.
2675 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2676 dummy-conditions.o. Eliminate references to insn-conditions.o,
2677 or change them to build/gencondmd.o, as appropriate. Remove
2678 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2679 from $(simple_generated_c). For all files remaining in those
2680 two lists, add insn-conditions.md to the generator command line.
2681 Give insn-constants.h/s-constants their own rules. Add rules
2682 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2683 (build/read-rtl.o): Depend on gensupport.h.
2684 (genprognormal): Include preds.
2685 (genprogearly): Rename genprognoprint; only difference is now that
2686 they don't link with $(BUILD_PRINT).
2687 * dummy-conditions.c: Delete.
2689 2006-01-22 Zack Weinberg <zackw@panix.com>
2691 * genextract.c: Don't include insn-config.h. Do include vec.h.
2692 Declare vectors of int, char, and locstr.
2693 (locstr): New typedef.
2694 (struct extraction): Make all array fields into bare pointers.
2695 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2696 (insn_code_number): Delete.
2697 (accum_extract): New struct.
2698 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2699 (gen_insn): Take insn_code_number as an argument. Use an
2700 accum_extract structure instead of loading data directly into
2701 a struct extraction, and having to know how big it might get.
2702 (walk_rtx): Operate entirely on an accum_extract structure.
2703 (print_path): Avoid unnecessary use of printf.
2704 (print_header): New function, split out of main. Distinguish
2705 more carefully between an unrecognizable insn and an insn that
2706 has the code number of a define_expand.
2707 (main): Pass insn_code_number to gen_insn. Call print_header
2708 only after parsing. Avoid unnecessary use of printf.
2709 * Makefile.in (build/vec.o): New rule.
2710 (build/genextract): Depend on build/vec.o.
2711 (build/genextract.o): Don't depend on insn-config.h.
2713 2006-01-22 Zack Weinberg <zackw@panix.com>
2715 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2716 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2717 practical. Eliminate per-generator-program link rules.
2719 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2721 PR middle-end/24437
2722 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2723 with a call expr to ...
2724 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2726 2006-01-23 Richard Guenther <rguenther@suse.de>
2728 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2729 before make_edge with conditional EDGE_TRUE_VALUE.
2731 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2732 Jan Hubicka <jh@suse.cz>
2733 Richard Guenther <rguenther@suse.de>
2735 PR rtl-optimization/25654
2736 * cfgexpand.c (aggregate_contains_union_type): New function.
2737 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2738 for structure variables that contain a union type.
2740 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2742 * gengtype.c (new_structure): Return the structure.
2743 (create_option): Add an extra "next" argument.
2744 (create_field): New function.
2745 (adjust_field_rtx_def): Use create_option and create_field.
2746 Remove a now-unnecessary call to find_structure.
2747 (adjust_field_tree_def): Likewise.
2748 (note_yacc_type): Remove an unnecessary call to find_structure.
2749 * gengtype.h (new_structure): Return the structure.
2750 (create_option): Add an extra argument.
2751 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2752 (option): Adjust calls to create_option.
2754 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2756 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2758 2006-01-22 Paul Brook <paul@codesourcery.com>
2759 Peter Barada <peter@the-baradas.com>
2761 * config/m68k/m68k.md: Add Coldfire FPU support.
2762 Define FP mode macro and associated attributes.
2763 Use it for float mode patterns.
2764 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2765 (LIBCALL_VALUE): Use m68k_libcall_value.
2766 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2767 (m68k_function_value): Ditto.
2768 (emit_move_sequence): Ditto.
2769 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2770 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2771 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2772 (MULTILIB_EXCEPTIONS): Ditto.
2773 * config/m68k/m68k.opt: Add mcfv4e.
2774 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2775 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2776 (m68k_output_function_prologue): Save ColdFire FPU registers.
2777 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2778 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2779 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2780 ColdFire FPU registers.
2781 (m68k_libcall_value, m68k_function_value): New functions.
2782 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2783 (LIBCALL_VALUE): Use m68k_libcall_value.
2784 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2785 (MASK_COLDFIRE): Add MASK_CFV4E.
2786 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2787 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2788 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2789 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2790 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2791 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2792 * doc/invoke.tex: Document -mcfv4e on m68k.
2794 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2796 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2797 URL.
2799 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2801 PR c++/16190
2802 * c-opts.c (c_common_handle_option): Don't include
2803 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2804 * doc/invoke.texi (C++ Dialect Options): Document that
2805 -Wnon-virtual-dtor is no longer included in -Wall.
2807 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2809 * gcov.c (print_version), gcov-dump.c (print_version),
2810 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2811 dates.
2813 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2815 * df-scan.c (problem_SCAN): Added NULL reset function.
2816 (df_scan_reset_blocks): Added code to call reset block function
2817 (df_bb_refs_delete) Fixed comment.
2818 (df_insn_refs_delete): Made tolerant of deleting non existent info
2819 for dataflow problems that need to be reset.
2820 * df-core.c (df_set_blocks): Ditto.
2821 * df.h (struct df_problem): Added reset_fun.
2822 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2823 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2824 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2825 functions to clear out all references to def-use or use-def chains.
2827 2006-01-21 Ben Elliston <bje@au.ibm.com>
2829 * varasm.c (assemble_real): Initialise data array.
2831 2006-01-20 Paul Brook <paul@codesourcery.com>
2833 Merge from csl-arm-branch.
2834 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2835 * config/arm/arm.md (movdi): Force operands[1] to a register
2836 if we have a non-register source.
2837 (*arm_movdi, *movdf_soft_insn): Require that one of the
2838 operands be a register.
2839 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2840 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2842 2006-01-20 DJ Delorie <dj@redhat.com>
2844 * varasm.c (initialize_constant_valid_p): Allow pointers
2845 initialized from integer constants of lesser precision.
2846 (output_constant): Allow non-int-sized pointer modes to be
2847 initialized from integer constants.
2849 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2851 PR libstdc++/25524
2852 * cppdefault.h (struct default_include): Add multilib flag.
2853 * cppdefault.c (cpp_include_defaults): Set it.
2854 * c.opt (-imultilib): New option.
2855 * c-opts.c (imultilib): New.
2856 (c_common_handle_option): Handle -imultilib.
2857 (c_common_post_options): Likewise.
2858 * c-incpath.c (add_standard_paths, register_include_chains):
2859 Likewise.
2860 * c-incpath.h (register_include_chains): Add extra parameter.
2861 * gcc.c (do_spec_1): Generate -imultilib option.
2862 (The Specs Language): Update %I description.
2863 (process_command): Update copyright notice.
2864 * doc/cppopts.texi (-imultilib): Document.
2865 * doc/invoke.texi (-imultilib): Include in option summary.
2866 (%I): Update specs documentation.
2868 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2870 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2872 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2874 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2875 label numbers.
2877 2006-01-20 Richard Guenther <rguenther@suse.de>
2878 Steven Bosscher <stevenb.gcc@gmail.com>
2880 PR rtl-optimization/24626
2881 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2882 EDGE_TRUE_VALUE if in RTL mode.
2884 Revert
2885 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2886 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2888 2006-01-20 Dirk Mueller <dmueller@suse.com>
2890 PR c++/5520
2891 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2892 instead of a special NOP marker.
2893 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2894 NOP marker handling.
2895 * c-common.h (empty_body_warning): Add forward declaration.
2896 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2897 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2899 2006-01-20 Paul Brook <paul@codesourcery.com>
2901 * Makefile.in (lang_checks): Keep going if mkdir fails.
2903 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2905 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2906 be able to clean out basic block when not necessary.
2907 (df_scan_free): Fixed to properly delete information if df is
2908 unused before calling df_finish.
2909 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2910 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2911 or comment typos.
2912 (df_bb_refs_delete): New function.
2913 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2914 * df-core.c (df_set_blocks): Added code to properly clean out
2915 unused blocks if they are not part of the blocks to consider.
2916 Added additional null check.
2917 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2918 be able to clean out basic block when not necessary
2919 * df.h (df_free_bb_function): Ditto.
2920 (df_bb_refs_delete): New function.
2921 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2922 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2923 basic block parameter to be able to clean out basic block when not
2924 necessary.
2925 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2926 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2927 Fixed to properly delete information if df is unused before
2928 calling df_finish.
2930 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2932 PR rtl-optimization/25799
2933 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2934 Corrected confluence operator to remove bits from op2 before oring
2935 with op1 rather than removing bits from op1.
2936 (df_ru_transfer_function): Corrected test on wrong bitmap which
2937 caused infinite loop. Both of these problems were introduced in
2938 the dataflow rewrite.
2940 2006-01-19 DJ Delorie <dj@redhat.com>
2942 * reload1.c (find_reload_regs): Note the details of reload
2943 failures in the dump file.
2944 (spill_failure): Likewise.
2946 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2948 * loop-iv.c: Include df.h and hashtab.h.
2949 (enum iv_grd_result): New enum.
2950 (DF_REF_IV, DF_REF_IV_SET): New macros.
2951 (struct biv_entry): New.
2952 (df, bivs): New global variables.
2953 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2954 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2955 Removed.
2956 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2957 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2958 analyzed_for_bivness_p, record_biv): New functions.
2959 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2960 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2961 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2962 UD chains.
2963 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2964 analysed.
2965 (iv_number_of_iterations): Use new interface to iv analysis.
2966 * loop-unroll.c: Do not include varray.h.
2967 (analyze_iv_to_split_insn): Use new interface to iv
2968 analysis.
2969 * loop-unswitch.c (may_unswitch_on): Ditto.
2970 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2971 allocated.
2972 (df_bb_modify): Realloc tables to the new index.
2973 (df_find_use): New function.
2974 * df.h (df_find_use): Declare.
2975 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2976 outmode.
2977 * cfgloop.h (struct rtx_iv): Remove analysed field.
2978 (iv_get_reaching_def): Removed.
2979 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2980 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2981 (loop-iv.o): Add df.h and hashtab.h dependency.
2982 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2984 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2986 PR target/25668
2987 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2988 Double TFmode.
2989 (__floatundisf, __floatundidf): Likewise.
2990 * libgcc2.h (IS_IBM_EXTENDED): Define.
2992 2006-01-19 DJ Delorie <dj@redhat.com>
2994 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2996 2006-01-19 Paul Brook <paul@codesourcery.com>
2998 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2999 as nothrow when unwinding tables are disabled.
3001 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3003 PR testsuite/25171
3004 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3005 of bit-field" when in system header.
3007 2006-01-19 DJ Delorie <dj@redhat.com>
3009 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3010 the 16 bit shift limit of the m16c.
3012 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3014 PR target/22099
3015 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3016 * config/i386/i386.c (output_set_got): Output the label if we have one
3017 for the TARGET_DEEP_BRANCH_PREDICTION case.
3019 2006-01-19 Jan Hubicka <jh@suse.cz>
3020 H.J. Lu <hongjiu.lu@intel.com>
3021 Evandro Menezes <evandro.menezes@amd.com>
3023 * invoke.texi (generic): Document
3024 (i686) Update.
3025 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3026 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3027 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3028 (x86_use_incdec, x86_pad_returns): New variables
3029 (TARGET_CPU_DEFAULT_generic): New constant
3030 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3031 (enum processor_type): Add generic32 and generic64.
3032 * i386.md (cpu attribute): Add generic32/generic64
3033 (movhi splitter): Behave sanely when both partial_reg_dependency and
3034 partial_reg_stall are set.
3035 (K8 splitters): Enable for generic as well.
3036 * predicates.md (incdec_operand): Use TARGET_INCDEC
3037 (aligned_operand): Avoid memory mismatch stalls.
3038 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3039 * ppro.md: Enable for generic32
3040 * i386.c (generic64_cost, generic32_cost): New.
3041 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3042 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3043 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3044 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3045 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3046 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3047 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3048 x86_accumulate_outgoing_args, x86_prologue_using_move,
3049 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3050 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3051 Enable for generic.
3052 (x86_use_incdec, x86_pad_returns): New.
3053 (override_options): Add generic32 and generic64, translate "generic"
3054 to generic32/generic64 and "i686" to "generic32", refuse
3055 "generic32"/"generic64" as arch target.
3056 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3057 (ix86_reorg): Honor PAD_RETURNS.
3059 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3061 * tree-pretty-print.c (dump_generic_node): Handle
3062 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3063 * cgraph.c (cgraph_expand_queue): Rename from
3064 cgraph_analyze_queue. Update all users.
3065 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3066 cgraph_expand_queue.
3067 (cgraph_expand_all_functions): Likewise.
3068 (cgraph_finalize_pending_functions): Remove. Update callers.
3070 * tree.h (OMP_DIRECTIVE_P): Define.
3071 (OMP_PARALLEL_FN): Define.
3072 (OMP_PARALLEL_DATA_ARG): Define.
3073 (OMP_SECTIONS_SECTIONS): Define.
3074 * tree-pass.h (pass_expand_omp): Declare.
3075 * omp-low.c (struct omp_region): Declare.
3076 (struct omp_context): Remove fields 'parallel_type',
3077 'parallel_start_ix' and 'parallel_start_additional_args'.
3078 Update all users.
3079 (struct omp_for_data): Rename from struct expand_omp_for_data.
3080 (omp_regions): New static variable.
3081 (root_omp_region): New static variable.
3082 (find_omp_clause): Make static.
3083 (is_in_combined_parallel_ctx): Remove.
3084 (is_combined_parallel): New.
3085 (extract_omp_for_data): Move earlier in the file.
3086 (workshare_safe_to_combine_p): New.
3087 (get_ws_args_for): New.
3088 (determine_parallel_type): Move earlier in the file.
3089 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3090 child function.
3091 (omp_copy_decl): Likewise.
3092 (create_omp_child_function): Likewise.
3093 (lookup_omp_region): New.
3094 (dump_omp_region): New.
3095 (debug_omp_region): New.
3096 (debug_all_omp_regions): New.
3097 (new_omp_region): New.
3098 (scan_omp_parallel): If parallel_nesting_level > 1, the
3099 directive is nested within another parallel directive.
3100 Set OMP_PARALLEL_FN.
3101 (scan_omp_for): Do not try to handle combined parallel+for
3102 cases.
3103 Remove FIXME comment.
3104 (scan_omp_nested): Remove.
3105 (scan_omp_1): Do not call scan_omp_nested when
3106 parallel_nesting_level is > 1.
3107 Do not change the DECL_CONTEXT of local variables found.
3108 (lookup_decl_in_outer_ctx): New.
3109 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3110 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3111 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3112 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3113 If CTX is nested, lookup VAR in the outer context when
3114 building copy assignment.
3115 (lower_send_clauses): Rename from expand_send_clauses.
3116 If CTX is nested, lookup VAR in the outer context when
3117 building copy assignments.
3118 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3119 If CTX is nested, lookup VAR in the outer context when
3120 building copy assignments.
3121 (expand_parallel_call): Rename from build_parallel_call.
3122 Handle combined parallel+workshare cases.
3123 Re-implement to emit code into the CFG.
3124 (list2chain): New.
3125 (expand_omp_parallel): Re-implement to emit code into the CFG.
3126 Call move_sese_region_to_fn to outline the sub-graph
3127 containing the parallel region.
3128 (expand_omp_for_1): Remove.
3129 (expand_omp_for_generic): Re-implement to emit code into the
3130 CFG.
3131 (expand_omp_for_static_nochunk): Likewise.
3132 (expand_omp_for_static_chunk): Likewise.
3133 (expand_omp_for): Likewise.
3134 (expand_omp_sections): Likewise.
3135 (remove_exit_barriers): New.
3136 (expand_omp_synch): New.
3137 (expand_omp): New.
3138 (build_omp_regions_1): New.
3139 (build_omp_regions): New.
3140 (execute_expand_omp): New.
3141 (gate_expand_omp): New.
3142 (pass_expand_omp): Define.
3143 (lower_omp_sections): Rename from expand_omp_sections.
3144 Set OMP_SECTIONS_SECTIONS.
3145 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3146 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3147 (lower_omp_single): Rename from expand_omp_simple.
3148 (lower_omp_master): Rename from expand_omp_master.
3149 (lower_omp_ordered): Rename from expand_omp_ordered.
3150 (lower_omp_critical): Rename from expand_omp_critical.
3151 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3152 (lower_omp_for): Re-implement.
3153 (lower_omp_parallel): Re-implement.
3154 (lower_regimplify): Rename from expand_regimplify.
3155 (lower_omp_1): Rename from expand_omp_1.
3156 If there are syntax errors in the program, replace every
3157 OpenMP directive with NOP.
3158 Call lower_omp_* instead of expand_omp_*.
3159 (lower_omp): Rename from expand_omp.
3161 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3162 * tree-gimple.h (enum omp_parallel_type): Remove.
3163 (gimple_boolify): Declare extern.
3164 (find_omp_clause, determine_parallel_type): Remove.
3166 * gimple-low.c (lower_omp_directive): New.
3167 (lower_stmt): Call it.
3168 (record_vars_into): Move from ...
3169 (record_vars): ... here.
3170 Call record_vars_into with current_function_decl.
3172 * gimplify.c (struct gimplify_ctx): Remove fields
3173 combined_pre_p and combined_ctxp. Update users.
3174 (get_formal_tmp_var): Add documentation.
3175 (gimple_boolify): Make extern.
3176 (gimplify_expr_in_ctx): Remove. Update callers.
3177 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3178 will always be a BIND_EXPR.
3179 (gimplify_expr): Handle OMP_RETURN_EXPR.
3180 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3181 (OMP_PARALLEL): Add 3 operands.
3182 (OMP_SECTIONS): Add 1 operand.
3183 (OMP_RETURN_EXPR): Define.
3185 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3186 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3187 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3188 creating a circular free list.
3189 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3191 * tree-flow.h (move_sese_region_to_fn): Declare.
3192 (record_vars_into): Declare.
3193 * tree-cfg.c (make_omp_sections_edges): New.
3194 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3195 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3196 OMP_SECTIONS and OMP_SECTION.
3197 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3198 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3199 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3200 (gather_blocks_in_sese_region): New.
3201 (struct move_stmt_d): Declare.
3202 (move_stmt_r): New.
3203 (move_block_to_fn): New.
3204 (move_sese_region_to_fn): New.
3206 * passes.c (init_optimization_passes): Schedule
3207 pass_expand_omp after pass_init_datastructures.
3209 * tree-ssa-operands.c (get_expr_operands): Handle
3210 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3211 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3213 2006-01-19 Jeff Law <law@redhat.com>
3215 * tree-vrp.c (extract_range_from_assert): Refine the result range
3216 if the variable referenced by the ASSERT_EXPR has a range and
3217 either the tentative result range or the previous range is a
3218 VR_ANTI_RANGE.
3220 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3222 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3224 2006-01-19 Jan Hubicka <jh@suse.cz>
3226 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3228 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3230 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3231 (expand_compound_operation, expand_field_assignment): Fail if the
3232 bit lengths of an extract operation are out of range.
3233 (make_extraction): Compute wanted_inner_mode based on the position
3234 and length of the extraction. Make it extraction_mode for non-constant
3235 positions, and do not modify offset in that case. When generating a
3236 new MEM, use a mode that can hold the extraction while keeping correct
3237 alignment. Remove code that supported MEMs wrapped by USEs.
3238 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3240 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3242 * config/s390/s390.md ("Y", "y"): New mode attribute.
3243 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3244 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3245 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3246 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3247 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3248 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3249 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3250 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3251 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3252 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3253 "addsi3", "subsi3"): Insn patterns removed.
3254 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3255 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3256 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3257 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3258 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3259 "*sub<mode>3_cconly2"): New insn patterns.
3260 ("addsi3", "subsi3"): New expanders.
3262 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3264 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3265 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3266 existing STMT_VINFO_VECTYPE if available.
3267 (vect_mark_relevant): Add special handling for stmts that are
3268 marked as STMT_VINFO_IN_PATTERN_P.
3269 (vect_analyze_loop): Call vect_pattern_recog.
3270 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3271 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3272 stmt_info.
3273 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3274 (vect_recog_func_ptr): New function-pointer type.
3275 * tree-vect-patterns.c: New file.
3276 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3277 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3278 (vect_pattern_recog_1): New functions.
3279 (vect_pattern_recog_funcs): New array of function pointers.
3281 * tree-vectorizer.h (ternary_op): New enum value.
3282 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3283 declaration. Revised documentation. Removed redundant dump prints.
3284 Removed redundant argument. Added support for reduction patterns.
3285 (vectorizable_reduction): Added support for reduction patterns.
3286 (vect_transform_stmt): Added support for patterns.
3288 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3289 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3290 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3291 (expand_widen_pattern_expr): New function.
3292 (init_optabs): Initialize new optabs udot_prod_optab,
3293 sdot_prod_optab.
3294 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3295 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3296 (expand_widen_pattern_expr): New function declaration.
3297 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3298 tree-codes.
3299 * tree-inline.c (estimate_num_insns_1): Added cases for new
3300 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3301 * tree-pretty-print.c (dump_generic_node): Likewise.
3302 (op_prio): Likewise.
3303 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3304 * tree-ssa-operands.c (get_expr_operands): Added case for
3305 DOT_PROD_EXPR.
3306 * tree-vect-patterns.c (widened_name_p): New function.
3307 (vect_recog_dot_prod_pattern): Added function implementation.
3308 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3309 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3310 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3311 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3313 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3314 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3315 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3316 (init_optabs): Initialize new optabs widen_ssum_optab,
3317 widen_usum_optab.
3318 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3319 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3320 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3321 use instead of type of def.
3322 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3323 function implementation.
3324 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3325 widen_ssumv8hi): New.
3327 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3328 patterns.
3330 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3332 PR c/25805
3333 * c-decl.c (add_flexible_array_elts_to_size): New function.
3334 (finish_decl): Use it.
3336 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3338 * diagnostic.h: Include options.h.
3339 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3340 dependancies for diagnostic.h.
3341 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3343 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3345 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3346 (ssa_ro_call_cache_valid): Ditto.
3347 * tree-ssa-alias.c (sort_tags_by_id): New function.
3348 (init_transitive_clobber_worklist): Ditto.
3349 (add_to_worklist): Ditto.
3350 (mark_aliases_call_clobbered): Ditto.
3351 (compute_tag_properties): Ditto.
3352 (set_initial_properties): Ditto.
3353 (compute_call_clobbered): Ditto.
3354 (compute_may_aliases): Call compute_call_clobbered and grouping.
3355 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3356 (compute_flow_insensitive_aliasing): Grouping now happens in our
3357 caller.
3358 (setup_pointers_and_addressables): Remove clobbering related code.
3359 (add_may_alias): Ditto.
3360 (replace_may_alias): Ditto.
3361 (get_nmt_for): Ditto.
3362 (create_global_var):
3363 (is_escape_site): Return an escape_type enumeration.
3364 * tree-flow-inline.h (is_call_clobbered): Global var does not
3365 imply call clobbered.
3366 (mark_call_clobbered): Take a reason for marking this. Remove
3367 marking of globalness, and cache invalidation.
3368 (clear_call_clobbered): Remove cache invalidation code.
3369 * tree-dfa.c (dump_variable): If details is on, dump the reason
3370 for escaping.
3371 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3372 variable.
3373 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3374 (struct var_ann_d): Ditto.
3375 (enum escape_type): New.
3376 (mark_call_clobbered): Adjust prototype.
3377 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3378 are never call clobbered.
3379 Record reasons for escaping.
3380 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3381 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3382 (ssa_ro_call_cache_valid): Ditto.
3383 (clobbered_v_may_defs): Ditto.
3384 (clobbered_vuses): Ditto.
3385 (ro_call_vuses): Ditto.
3386 (clobber_stats): New.
3387 (init_ssa_operands): Zero out clobber stats.
3388 (fini_ssa_operands): Print out clobber stats.
3389 (get_call_expr_operands): Pass callee fndecl to
3390 add_call_read_ops).
3391 (add_call_clobber_ops): Remove use of cache.
3392 Add use of PURE_CONST information.
3393 (add_call_read_ops): Remove use of cache.
3394 Add use of static not_read information.
3396 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3398 Introduce TLS descriptors for i386 and x86_64.
3399 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3400 (TARGET_ANY_GNU_TLS): New macro.
3401 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3402 (struct machine_function): Add tls_descriptor_call_expanded_p.
3403 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3404 (ix86_current_function_calls_tls_descriptor): Likewise.
3405 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3406 (override_options): Introduce gnu2 tls dialect.
3407 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3408 not leaves.
3409 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3410 Likewise.
3411 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3412 (ix86_init_machine_status): Initialize new field.
3413 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3414 (ix86_tls_module_base): New.
3415 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3416 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3417 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3418 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3419 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3420 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3421 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3422 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3423 * config/i386/predicates.md (tls_modbase_operand): New.
3424 (tp_or_register_operand): New.
3426 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3428 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3429 (look_for_address_of): Ditto.
3430 (ipa_init): Walk the function decls.
3431 (static_execute): Don't set readonly on FUNCTION_DECL's.
3433 2006-01-18 Roger Sayle <roger@eyesopen.com>
3435 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3436 for shifts where the source and destination registers are different.
3438 2006-01-18 Paul Brook <paul@codesourcery.com>
3440 Merge from csl-arm-branch.
3441 2005-03-14 Julian Brown <julian@codesourcery.com>
3442 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3443 (aeabi_llsl): Likewise.
3444 (ashrdi3): Likewise.
3445 (aeabi_lasr): Likewise.
3446 (lshrdi3): Likewise.
3447 (aeabi_llsr): Likewise.
3448 2005-03-10 Julian Brown <julian@codesourcery.com>
3449 * config.gcc: Disable shared libgcc for SymbianOS.
3450 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3452 2006-01-18 DJ Delorie <dj@redhat.com>
3454 * c-pragma.c (handle_pragma_diagnostic): New.
3455 (init_pragma): Register it.
3456 * doc/extend.texi: Document it.
3458 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3459 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3460 (diagnostic_context): Add classify_diagnostic[].
3461 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3462 as errors if they're overridden to DK_WARNING.
3463 (diagnostic_initialize): Initialize classify_diagnostic[].
3464 (diagnostic_set_kind_override): New.
3465 (diagnostic_report_diagnostic): Check for kind changes.
3466 * opts.c (common_handle_option): Take lang_mask. Update callers.
3467 Handle OPT_Werror_.
3468 * common.opt (Werror=): New.
3469 * doc/invoke.texi: Document -Werror=*
3471 2006-01-18 Jeff Law <law@redhat.com>
3473 * tree-vrp.c (test_for_singularity): Correct test for new
3474 min limit. Use operand_equal_p rather than pointer equality
3475 for testing if new min/max values are equal.
3477 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3478 using range information until after propagation and folding.
3480 2006-01-18 Richard Henderson <rth@redhat.com>
3481 Aldy Hernandez <aldyh@redhat.com>
3482 Jakub Jelinek <jakub@redhat.com>
3483 Diego Novillo <dnovillo@redhat.com>
3485 * omp-low.c: New file.
3486 * c-omp.c: New file.
3488 2006-01-18 Richard Henderson <rth@redhat.com>
3489 Jakub Jelinek <jakub@redhat.com>
3490 Diego Novillo <dnovillo@redhat.com>
3492 * doc/invoke.texi: Document -fopenmp.
3493 * tree-dump.h (debug_function): Declare.
3494 * hooks.c (hook_bool_tree_bool_false): New function.
3495 (hook_tree_tree_null): Remove.
3496 (hook_tree_tree_tree_null): New.
3497 * hooks.h: Update to match.
3498 * tree-pretty-print.c (debug_tree_chain): New.
3499 (print_generic_expr): Handle TDF_CHAIN.
3500 (dump_generic_node): Handle BLOCK.
3501 Do not abort with incomplete SWITCH_EXPRs.
3502 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3503 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3504 print space after directive name.
3505 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3506 Handle OMP_MASTER and OMP_ORDERED.
3507 Handle printing of OMP_BODY just in one place, goto
3508 dump_omp_body in the rest of OMP_* nodes that have
3509 OMP_BODY.
3510 Don't handle clause nodes here. Update omp statements to
3511 use dump_omp_clauses.
3512 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3513 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3514 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3515 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3516 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3517 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3518 Adjust output for GOMP_PARALLEL.
3519 (dump_omp_clauses): New.
3520 (print_declaration): Dump DECL_VALUE_EXPR.
3521 (op_symbol_1): Split out of op_symbol.
3522 (dumping_stmts): Remove. Update all users.
3523 * cgraph.c (cgraph_analyze_queue): New.
3524 (cgraph_add_new_function): New.
3525 * cgraph.h (cgraph_analyze_queue): Declare.
3526 (cgraph_add_new_function): Declare.
3527 (cgraph_lower_function): Remove.
3528 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3529 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3530 and TYPE_P nodes in its default clause.
3531 (empty_body_p): New.
3532 (tree_range_check_failed): New.
3533 (build5_stat): New.
3534 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3535 OMP_CLAUSE_REDUCTION_MERGE,
3536 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3537 OMP_CLAUSE_PRIVATE_DEBUG,
3538 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3539 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3540 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3541 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3542 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3543 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3544 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3545 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3546 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3547 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3548 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3549 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3550 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3551 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3552 (TREE_RANGE_CHECK): New.
3553 (empty_body_p): Declare.
3554 (enum omp_clause_default_kind): New.
3555 (build_string_literal): Declare.
3556 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3557 (build5_stat, build5): Declare.
3558 * tree-pass.h (TDF_CHAIN): Define.
3559 * tree-pass.h (PROP_gimple_lomp): Define.
3560 (pass_lower_omp): Declare.
3561 * diagnostic.h (debug_tree_chain): Declare.
3562 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3563 mode_for_size.
3564 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3565 * builtins.c (build_string_literal): Make extern.
3566 * gcc.c (include_spec_function): New.
3567 (static_spec_functions): Add it.
3568 (main): Move load of libgomp.spec ...
3569 (LINK_COMMAND_SPEC): ... here.
3570 (link_gomp_spec): New.
3571 (static_specs): Include it.
3572 (LINK_COMMAND_SPEC): Add link_gomp.
3573 (GOMP_SELF_SPECS): New.
3574 (driver_self_specs): Include it.
3575 (switch_matches): Don't mark inline.
3576 (main): Load libgomp.spec.
3577 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3578 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3579 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3580 * tree-gimple.h (enum omp_parallel): Declare.
3581 (determine_parallel_type): Declare.
3582 (omp_firstprivatize_variable): Declare.
3583 (omp_reduction_init): Declare.
3584 (diagnose_omp_structured_block_errors): Declare.
3585 (struct walk_stmt_info): Add want_return_expr.
3586 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3587 (find_omp_clause): Declare.
3588 (insert_field_into_struct): Declare.
3589 (struct walk_stmt_info): Move from tree-nested.c
3590 (walk_stmts): Declare.
3591 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3592 to 200505.
3593 * cgraphunit.c (cgraph_lower_function): Make static.
3594 (cgraph_finalize_pending_functions): New.
3595 (cgraph_finalize_function): Call it.
3596 (cgraph_finalize_compilation_unit): Likewise.
3597 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3598 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3599 (BT_FN_UINT_UINT): New.
3600 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3601 DEF_FUNCTION_TYPE_VAR_4): Document.
3602 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3603 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3604 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3605 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3606 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3607 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3608 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3609 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3610 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3611 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3612 into separate files.
3613 (DEF_GOMP_BUILTIN): New.
3614 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3615 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3616 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3617 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3618 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3619 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3620 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3621 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3622 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3623 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3624 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3625 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3626 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3627 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3628 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3629 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3630 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3631 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3632 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3633 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3634 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3635 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3636 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3637 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3638 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3639 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3640 * sync-builtins.def: New file, moved from builtins.def.
3641 * omp-builtins.def: New file, moved from builtins.def.
3642 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3643 * gimple-low.c (lower_function_body): Clear data.
3644 (lower_stmt): Do not handle COMPOUND_EXPR.
3645 Remove call to print_node_brief.
3646 * c-tree.h (c_finish_omp_clauses): New prototype.
3647 (C_DECL_THREADPRIVATE_P): Define.
3648 (lookup_name_no_remap, c_omp_remap_private): Remove
3649 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3650 (check_for_loop_decls): Update decl.
3651 (lookup_name_no_remap, c_omp_remap_private): Declare.
3652 (build_indirect_ref, build_modify_expr, pushdecl,
3653 pushdecl_top_level): Move to c-common.h.
3654 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3655 before the switch, but just in the 2 places that need it.
3656 * c-decl.c (diagnose_mismatched_decls): Do not check for
3657 mismatched thread-local attributes when OLDDECL is marked
3658 threadprivate and NEWDECL has no thread-local attributes.
3659 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3660 (c_gimple_diagnostics_recursively): Rename from
3661 c_warn_unused_result_recursively. Invoke
3662 diagnose_omp_structured_block_errors.
3663 (check_for_loop_decls): Return a singular decl found.
3664 * langhooks.c (lhd_omp_predetermined_sharing): Return
3665 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3666 (lhd_omp_firstprivatize_type_sizes): New.
3667 (lhd_omp_assignment): New.
3668 (lhd_omp_predetermined_sharing): New.
3669 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3670 (struct lang_hooks_for_types): Add
3671 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3672 omp_predetermined_sharing, omp_disregard_value_expr,
3673 omp_private_debug_clause, omp_clause_default_ctor,
3674 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3675 (c_finish_omp_clauses): New.
3676 (c_finish_bc_stmt): Diagnose break within omp for.
3677 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3678 (build_unary_op): Return error_mark after reporting
3679 a readonly_error.
3680 (build_modify_expr): Likewise.
3681 * gimplify.c: Include optabs.h and pointer-set.h.
3682 (enum gimplify_omp_var_data): Declare.
3683 (struct gimplify_omp_ctx): Declare.
3684 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3685 and combined_ctxp.
3686 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3687 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3688 (splay_tree_compare_decl_uid): New.
3689 (new_omp_context): New.
3690 (delete_omp_context): New.
3691 (gimple_add_tmp_var): Call omp_add_variable.
3692 (gimplify_bind_expr): Likewise.
3693 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3694 true, disregard DECL_VALUE_EXPR on the decl if any.
3695 (gimplify_expr_in_ctx): New.
3696 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3697 omp_add_variable, omp_notice_variable, omp_is_private
3698 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3699 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3700 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3701 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3702 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3703 gimplify_omp_atomic): New.
3704 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3705 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3706 OMP_CRITICAL and OMP_ATOMIC.
3707 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3708 * c-pragma.h (enum pragma_kind): Add
3709 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3710 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3711 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3712 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3713 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3714 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3715 PRAGMA_OMP_THREADPRIVATE.
3716 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3717 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3718 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3719 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3720 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3721 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3722 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3723 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3724 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3725 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3726 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3727 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3728 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3729 OpenMP directives.
3730 (struct nesting_info): Add field_map,
3731 suppress_expansion, debug_var_chain.
3732 (create_nesting_tree): Initialize them.
3733 (lookup_field_for_decl): Use field_map.
3734 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3735 (convert_local_omp_clauses): New.
3736 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3737 (walk_body): Split out of walk_function.
3738 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3739 (convert_nonlocal_reference): Handle omp statements.
3740 (convert_local_reference): Likewise.
3741 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3742 (unnest_nesting_tree): New.
3743 (lower_nested_functions): Call it.
3744 (insert_field_into_struct): Make extern.
3745 (struct walk_stmt_info): Move to tree-gimple.h.
3746 (walk_stmts): Make extern.
3747 * omp-builtins.def: New file.
3748 * tree-iterator.c (expr_only): Clarify comment.
3749 * c-common.h (pushdecl_top_level, pushdecl,
3750 build_modify_expr, build_indirect_ref,
3751 c_finish_omp_master, c_finish_omp_critical,
3752 c_finish_omp_ordered, c_finish_omp_barrier,
3753 c_finish_omp_atomic, c_finish_omp_flush,
3754 c_finish_omp_for, c_split_parallel_clauses,
3755 omp_clause_default_kind, c_omp_sharing_predetermined,
3756 c_omp_remap_decl): Declare.
3757 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3758 (OBJS-common): Add omp-low.o.
3759 (c-omp.o, omp-low.o): Add.
3760 (gimplify.o): Add dependency on $(OPTABS_H).
3761 (GTFILES): Add omp-low.c.
3762 (gt-stringpool.h): Add.
3763 * tree-cfg.c (set_bb_for_stmt): Do not update the
3764 block-to-labels map if we are currently expanding to RTL.
3765 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3766 checks.
3767 Handle IDENTIFIER_NODE.
3768 (tree_verify_flow_info): Do not ICE when emitting error
3769 messages about invalid labels.
3770 (dump_function_to_file): Reset CFUN before emitting the body
3771 of the function.
3772 (debug_function): New.
3773 * passes.c (init_optimization_passes): Schedule
3774 pass_lower_omp.
3775 * langhooks-def.h (lhd_omp_predetermined_sharing,
3776 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3777 Declare.
3778 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3779 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3780 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3781 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3782 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3783 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3784 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3785 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3786 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3787 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3788 (LANG_HOOK_DECLS): Use them.
3790 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3791 Richard Henderson <rth@redhat.com>
3792 Jakub Jelinek <jakub@redhat.com>
3793 Diego Novillo <dnovillo@redhat.com>
3795 * c-parser.c (pragma_omp_clause): Define.
3796 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3797 (c_parser_compound_statement): Likewise.
3798 (c_parser_statement): Likewise.
3799 (c_parser_pragma): Handle omp pragmas.
3800 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3801 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3802 (c_parser_omp_clause_name, check_no_duplicate_clause,
3803 c_parser_omp_variable_list,
3804 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3805 c_parser_omp_clause_copyprivate,
3806 c_parser_omp_clause_default,
3807 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3808 c_parser_omp_clause_lastprivate,
3809 c_parser_omp_clause_nowait,
3810 c_parser_omp_clause_num_threads,
3811 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3812 c_parser_omp_clause_reduction,
3813 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3814 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3815 c_parser_omp_atomic, c_parser_omp_barrier,
3816 c_parser_omp_critical, c_parser_omp_flush,
3817 c_parser_omp_for_loop, c_parser_omp_for,
3818 c_parser_omp_master, c_parser_omp_ordered,
3819 c_parser_omp_sections_scope, c_parser_omp_sections,
3820 c_parser_omp_parallel, c_parser_omp_single,
3821 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3822 * c-pragma.c (init_pragma): Do omp pragma registration here.
3823 * c.opt (fopenmp): New flag.
3825 2006-01-18 Eric Christopher <echristo@apple.com>
3827 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3828 * config/darwin.h (GOMP_SELF_SPECS): Define.
3830 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3832 * rtl.h: Remove the prototype for reg_alloc.
3834 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3836 PR target/25731
3837 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3838 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3839 sjlj and dwarf2 exception handling.
3840 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3841 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3842 * pa/pa.c (function_value): Treat complex and vector types as
3843 aggregates.
3844 (function_arg): Likewise. Only pass scalar floats in the floating
3845 point argument registers.
3846 * pa/t-slibgcc-dwarf-ver: New file.
3847 * pa/t-slibgcc-sjlj-ver: New file.
3848 * pa/t-slibgcc-elf-ver: Delete file.
3850 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3852 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3853 unlikely_test_section_p test.
3855 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3857 * mode-switching.c (optimize_mode_switching): Make it static.
3858 * basic-block.h: Remove the prototype for
3859 optimize_mode_switching.
3861 * modulo-sched.c (sms_schedule): Make it static.
3862 * rtl.h: Remove the prototype for sms_schedule.
3864 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3865 * rtl.h: Remove the prototype for gcse_after_reload_main.
3867 * reg-stack.c (reg_to_stack): Make it static.
3868 * rtl.h: Remove the prototype for reg_to_stack.
3870 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3871 Make them static.
3872 * rtl.h: Remove the prototypes for regrename_optimize and
3873 copyprop_hardreg_forward.
3875 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3877 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3878 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3879 Test against the appropriate null constant for the mode.
3880 If 'fixup_overlap' is true, swap the operands if they overlap.
3881 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3882 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3883 alpha_split_tmode_pair and adjust for above change.
3884 * config/alpha/alpha.md (movtf_internal): Adjust call to
3885 alpha_split_tfmode_pair and rely on it to swap the operands.
3886 (movti_internal): New insn and post-reload splitter.
3887 (movti): New expander.
3889 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3891 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3892 operands.
3894 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3896 * rtlanal.c (global_reg_mentioned_p_1,
3897 global_reg_mentioned_p): Remove.
3898 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3900 * flow.c (initialize_uninitialized_subregs): Make it static.
3901 * rtl.h: Remove the prototype for
3902 initialize_uninitialized_subregs.
3904 * function.c (instantiate_virtual_regs): Make it static.
3905 * function.h: Remove the prototype for
3906 instantiate_virtual_regs.
3908 * regmove.c (regmove_optimize, combine_stack_adjustments):
3909 Make them static.
3910 * rtl.h: Remove the prototypes for regmove_optimize and
3911 combine_stack_adjustments.
3913 2006-01-17 Roger Sayle <roger@eyesopen.com>
3915 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3916 (size_cost): Encode costs in bytes so that a reg-reg addition is
3917 equivalent to COSTS_N_INSNS(1).
3918 (override_options): Use the size_cost.branch_cost as the default
3919 ix86_branch_cost when optimizing for size.
3921 2006-01-18 Ben Elliston <bje@au.ibm.com>
3923 * Makefile.in (D32PBIT_FUNCS): New.
3924 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3925 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3926 D64PBIT_FUNCS and D128PBIT_FUNCS.
3927 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3928 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3929 D128PBIT are set.
3930 (decnumber_dep): Define.
3931 * doc/libgcc.texi (Decimal float library routines): New node.
3932 * config/dfp-bit.h, config/dfp-bit.c: New files.
3934 2006-01-18 Ben Elliston <bje@au.ibm.com>
3936 * expr.c (emit_move_change_mode): Always adjust addresses, not
3937 just during reload. Copy replacements only during reload.
3938 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3939 emit_move_via_integer.
3941 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3943 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3944 instead of $(srcdir) and ${srcdir}.
3946 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3948 PR target/592
3949 PR middle-end/11135
3950 * arm.h (struct machine_function): Add pic_reg.
3951 * arm.c (arm_pic_register): Make unsigned.
3952 (arm_override_options): Only set arm_pic_register if
3953 TARGET_SINGLE_PIC_BASE.
3954 (use_return_insn): Only test for a pic register if it is fixed.
3955 (arm_compute_save_reg0_reg12_mask): Likewise.
3956 (thumb_compute_save_reg_mask): Likewise.
3957 (legitimate_pic_operand): Factor out some known invariants.
3958 (legitimize_pic_address): If we don't have a fixed pic register,
3959 then set up a pseudo in the function entry sequence. Handle the
3960 pic base being in a pseudo.
3961 (arm_load_pic_register): Handle the pic register being in a pseudo.
3962 (arm_expand_prologue): Only set up the pic register if it is fixed.
3963 (thumb_expand_prologue): Likewise.
3964 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3965 (pic_load_addr_based_insn): Likewise.
3966 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3967 fixed.
3969 2006-01-18 Ben Elliston <bje@au.ibm.com>
3971 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3972 decimal float modes for all floating point registers.
3974 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3975 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3977 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3979 PR c/25682
3980 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3981 even when the pointer is not NULL.
3983 2006-01-16 Ian Lance Taylor <ian@airs.com>
3985 * common.opt (ftoplevel-reorder): New option.
3986 * cgraph.c (cgraph_asm_nodes): New global variable.
3987 (cgraph_asm_last_node): New static variable.
3988 (cgraph_order): New global variable.
3989 (cgraph_create_node): Set new order field.
3990 (cgraph_varpool_node): Likewise.
3991 (decide_is_variable_needed): Return true if not
3992 flag_toplevel_reorder.
3993 (cgraph_add_asm_node): New function.
3994 * cgraph.h (struct cgraph_node): Add order field.
3995 (struct cgraph_varpool_node): Add order field.
3996 (struct cgraph_asm_node): Define.
3997 (cgraph_asm_nodes, cgraph_order): Declare.
3998 (cgraph_add_asm_node): Declare.
3999 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4000 function.
4001 (cgraph_varpool_assemble_pending_decls): Call it.
4002 (cgraph_output_pending_asms): New static function.
4003 (cgraph_finalize_compilation_unit): Call it.
4004 (struct cgraph_order_sort): Define.
4005 (cgraph_output_in_order): New static function.
4006 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4007 !flag_toplevel_reorder case.
4008 * c-parser.c: Include "cgraph.h".
4009 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4010 assemble_asm.
4011 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4012 than -fno-unit-at-a-time.
4013 * doc/invoke.texi (Option Summary): Mention
4014 -fno-toplevel-reorder.
4015 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4016 -funit-at-a-time documentation.
4018 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4019 Kazu Hirata <kazu@codesourcery.com>
4021 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4023 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4025 * Makefile.in (FUNCTION_H): New. Use it instead of
4026 function.h throughout the file.
4027 * function.h: Include tree.h.
4029 2006-01-17 Ben Elliston <bje@au.ibm.com>
4031 * recog.c: Separate some functions with whitespace.
4033 2006-01-16 Richard Henderson <rth@redhat.com>
4035 Merge from gomp branch:
4036 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4037 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4038 and rename from struct inline_data. Rename callee* to dst*;
4039 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4040 transform_new_cfg, transform_return_to_modify, and
4041 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4042 update_clones_p.
4043 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4044 (copy_decl_for_dup): Remove.
4045 * tree-inline.c (struct inline_data): Move to header.
4046 (insert_decl_map): Export.
4047 (remap_decl): Update for member name changes. Use copy_decl hook.
4048 Allow for replacement to be a non-decl. Remove dead code.
4049 (remap_type_1): Check for existing mapping.
4050 (remap_type): Export.
4051 (remap_decls): Update for member name changes.
4052 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4053 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4054 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4055 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4056 (tree_function_versioning, build_duplicate_type): Likewise.
4057 (copy_body_r): Likewise. Export.
4058 (copy_decl_for_dup): Split into ...
4059 (copy_decl_for_dup_finish, copy_decl_to_var,
4060 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4061 (replace_ref_tree, inlining_p): Remove.
4063 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4065 * ifcvt.c (if_convert): Make it static.
4066 * rtl.h: Remove the prototype for if_convert.
4068 * local-alloc.c (local_alloc): Make it static.
4069 * rtl.h: Remove the prototype for local_alloc.
4071 * loop.c (loop_optimize): Make it static.
4072 * cfgloop.h: Remove the prototype for loop_optimize.
4073 * rtl.h: Likewise.
4075 2006-01-16 DJ Delorie <dj@redhat.com>
4077 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4078 mems.
4080 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4082 * pa.md: Disparage copies between general and floating-point registers
4083 in 32-bit move patterns.
4085 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4087 PR testsuite/25741
4088 * Makefile.in (check-%): Depend on site.exp instead of
4089 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4090 directories.
4092 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4094 * global.c (global_alloc): Make it static.
4095 * rtl.h: Remove the prototype for global_alloc.
4097 2006-01-16 Richard Guenther <rguenther@suse.de>
4099 * tree-ssa-alias.c (struct used_part): Add write_only field.
4100 (get_or_create_used_part_for): Initialize it to true.
4101 (create_overlap_variables_for): Don't create structure variables
4102 for structures that only are written to.
4103 (find_used_portions): Handle MODIFY_EXPR to track whether a
4104 structure is only written to.
4106 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4108 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4109 static.
4110 * basic-block.h: Remove the prototype for
4111 partition_hot_cold_basic_blocks.
4113 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4115 * cppspec.c (lang_specific_spec_functions): Remove.
4116 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4117 * gcc.h (lang_specific_spec_functions): Remove.
4118 * gccspec.c (lang_specific_spec_functions): Remove.
4120 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4122 * combine.c (record_value_for_reg): Invalidate registers
4123 if INSN is null.
4124 (record_dead_and_set_regs_1): Likewise, by passing them to
4125 record_value_for_reg.
4126 (record_dead_and_set_regs): Invalidate stores made by a
4127 call. We do not combine across a call, but we still
4128 relied on equivalences.
4130 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4132 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4133 vrp_int_const_binop returning non-constant nodes.
4135 2006-01-16 Paul Brook <paul@codesourcery.com>
4137 * config/m68k/m68k.c (output_move_const_into_data_reg):
4138 Output correct mnemonic for mvz and mvs.
4140 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4142 * rtl-factoring.c: Add sequence abstraction algorithm.
4143 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4144 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4145 ABNORMAL edges.
4146 (block_has_preserve_label): New function.
4147 * common.opt: Register new pass.
4148 * Makefile.in: Ditto.
4149 * passes.c: Ditto.
4150 * timevar.def: Ditto.
4151 * tree-pass.h: Ditto.
4152 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4153 * rtl.h (make_jump_insn_raw): Add forward decl.
4154 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4156 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4157 Roger Sayle <roger@eyesopen.com>
4159 * fold-const.c (fold_minmax): New static function.
4160 (fold_binary) <MIN_EXPR>: Call it.
4161 <MAX_EXPR>: Likewise.
4162 * stor-layout.c (place_field): Use DECL_SIZE consistently
4163 in the computation of the new record size.
4165 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4167 * cse.c (cse_condition_code_reg): Make it static.
4168 * rtl.h: Remove the prototype for cse_condition_code_reg.
4170 * combine.c (combine_instructions): Make it static.
4171 * rtl.h: Remove the prototype for combine_instructions.
4173 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4175 PR target/25168
4176 * tree.c (get_file_function_name_long): Concatenate the first global
4177 object name with a string derived from the input filename of the object
4178 for type "F".
4180 2006-01-16 Ben Elliston <bje@au.ibm.com>
4182 * config/i386/winnt-stubs.c: Update FSF address.
4183 * config/xtensa/ieee754-df.S: Ditto.
4184 * config/xtensa/ieee754-sf.S: Ditto.
4186 2006-01-14 Ian Lance Taylor <ian@airs.com>
4188 * ifcvt.c (noce_init_if_info): New static function, broken out of
4189 noce_process_if_block.
4190 (noce_process_if_block): Call noce_init_if_info.
4191 (check_cond_move_block): New static function.
4192 (cond_move_process_if_block): New static function.
4193 (process_if_block): Call cond_move_process_if_block.
4195 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4197 * cselib.c (hash_table): Rename to cselib_hash_table.
4198 (cselib_clear_table, discard_useless_values,
4199 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4200 cselib_init, cselib_finish): Adjust uses of hash_table.
4202 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4204 PR tree-optimization/25485
4205 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4206 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4207 is known to be false and true, respectively.
4209 2006-01-14 Richard Guenther <rguenther@suse.de>
4211 PR tree-optimization/22548
4212 PR tree-optimization/22555
4213 PR tree-optimization/22501
4214 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4215 * params.def (salias-max-array-elements): New parameter.
4216 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4217 * doc/invoke.texi (salias-max-array-elements): Document.
4218 * tree-flow-inline.h (var_can_have_subvars): We also handle
4219 arrays now.
4220 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4221 COMPONENT_REF.
4222 * tree-ssa-structalias.c (params.h): Include.
4223 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4224 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4225 (get_constraint_for): For ADDR_EXPR operating on something
4226 containing an ARRAY_REF, add all subvars to the solution.
4227 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4228 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4229 for creating MUST_DEFs.
4230 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4232 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4234 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4235 functions.
4236 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4237 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4238 number_of_iterations_le): New functions.
4239 (number_of_iterations_special): Removed.
4240 (number_of_iterations_exit): Do not use number_of_iterations_special.
4241 * tree.c (unsigned_type_for): Always return integer type.
4243 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4244 Richard Guenther <rguenther@suse.de>
4246 PR rtl-optimization/24257
4247 * gcse.c (find_moveable_store): Only consider a store movable
4248 when the SET_SRC of the insn can be assigned to a register.
4250 2006-01-14 Ian Lance Taylor <ian@airs.com>
4252 * tree.c (tree_not_class_check_failed): New function.
4253 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4254 (tree_not_class_check_failed): Declare.
4256 2006-01-13 Ian Lance Taylor <ian@airs.com>
4258 * reload1.c (do_output_reload): Add assertion rejecting a
4259 CALL_INSN.
4261 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4263 * combine.c (struct reg_stat): Add new fields truncation_label and
4264 truncated_to_mode.
4265 (record_value_for_reg): Reset truncated_to_mode.
4266 (record_truncated_value): New function.
4267 (check_promoted_subreg): Call it. Rename to check_conversions.
4268 (combine_instructions): Rename check_promoted_subreg to
4269 check_conversions.
4270 (reg_truncated_to_mode): New function.
4271 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4272 (gen_lowpart_or_truncate): New function.
4273 (force_to_mode): Use it instead of gen_lowpart.
4275 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4277 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4278 VAR is a tag, not its type tag.
4280 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4282 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4283 alternatives to match style of other entries.
4284 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4286 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4288 PR tree-optimization/25771
4289 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4290 SSA_NAMES.
4292 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4294 PR tree-opt/24365
4295 * tree-inline.c (declare_return_variable): If the return variable
4296 was marked as a non gimple complex, set the return slot variable
4297 to be a non gimple comple variable.
4299 2006-01-13 Richard Guenther <rguenther@suse.de>
4301 * builtins.c (expand_builtin_sincos): New function.
4302 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4303 do not set errno.
4304 (expand_builtin): Expand sincos using expand_builtin_sincos.
4306 2006-01-12 DJ Delorie <dj@redhat.com>
4308 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4309 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4310 so that constant shifts can be split.
4311 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4312 (m32c_valid_pointer_mode): Make static.
4313 (shift_gen_func_for): New.
4314 (m32c_prepare_shift): Use it. Split large const shifts into
4315 multiple shifts.
4316 * config/m32c/predicates.md (shiftcount_operand): Allow more
4317 general operands.
4318 (longshiftcount_operand): New.
4319 * doc/md.texi (Machine Constraints): Document In6.
4321 2006-01-13 Ben Elliston <bje@au.ibm.com>
4323 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4324 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4325 documentation.
4327 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4329 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4330 to try to avoid clobbering pieces of structures when we know
4331 something about the whole structure.
4332 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4334 2006-01-13 Ben Elliston <bje@au.ibm.com>
4336 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4337 return in memory, as this is no limitation is no longer present.
4339 2006-01-12 DJ Delorie <dj@redhat.com>
4341 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4342 mova with fb, and for fb+0 -> An.
4344 * config/m32c/mov.md (peephole2): Fix enabling logic.
4346 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4347 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4348 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4349 FINI_ARRAY_SECTION_ASM_OP): Define.
4351 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4352 variable.
4353 (m32c_legitimize_reload_address): New logic to reload FB to An.
4354 (m32c_output_reg_push): Add newline.
4355 (m32c_output_reg_pop): Likewise.
4357 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4359 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4361 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4363 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4365 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4367 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4368 match_code.
4370 2006-01-11 Ben Elliston <bje@au.ibm.com>
4372 * rtlanal.c (find_reg_note): Assert insn is not null.
4374 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4376 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4377 ifdef.
4379 2006-01-11 Jeff Law <law@redhat.com>
4381 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4382 hold edge pairs.
4383 (mark_threaded_blocks, register_jump_thread): New functions.
4384 (thread_through_all_blocks): Remove unwanted argument. No
4385 longer rely on e->aux to communicate thread target info.
4386 Call mark_threaded_blocks. Release the threaded_blocks
4387 bitmap and threaded_edges vector when complete.
4388 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4389 (threaded_blocks): Remove.
4390 (tree_ssa_dominator_optimize): Remove initialization and
4391 finalization of threaded_blocks. Simplify call to
4392 thread_through_all_blocks.
4393 (thread_across_edge): Call register_jump_thread rather than
4394 storing thread information into e->aux.
4395 (free_all_edge_infos): Simplify now that e->aux is no longer
4396 used to communicate with thread_through_all_blocks.
4397 * tree-flow.h (thread_through_all_blocks): Update prototype.
4398 (register_jump_thread): Prototype.
4400 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4402 * df-core.c (df_compact_blocks, df_bb_replace): Use
4403 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4405 2006-01-11 Richard Guenther <rguenther@suse.de>
4407 PR tree-optimization/25734
4408 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4409 stop propagation after successful propagation to the LHS.
4411 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4413 * basic-block.h (control_flow_graph): Change the type of
4414 x_basic_block_info to VEC(basic_block,gc) *.
4415 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4416 basic_block_info.
4417 (SET_BASIC_BLOCK): New.
4418 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4419 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4420 * cfgbuild.c (find_basic_blocks): Likewise.
4421 * cfglayout.c (fixup_reorder_chain): Likewise.
4422 * cfgrtl.c (create_basic_block_structure,
4423 rtl_create_basic_block): Likewise.
4424 * ifcvt.c (find_if_case_1): Likewise.
4425 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4426 Likewise.
4428 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4430 * Makefile.in: Removed rotted odf.c entry.
4432 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4434 PR target/25706
4435 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4436 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4437 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4438 output pattern modifier, not %e.
4439 * config/cris/cris.c (cris_op_str): Update comment about pattern
4440 modifier.
4441 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4442 before falling through into...
4443 <case 'E'>: Redefined from old 'e' case.
4445 2006-01-11 Jan Hubicka <jh@suse.cz>
4447 PR target/25042
4448 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4450 2006-01-11 Jan Hubicka <jh@suse.cz>
4452 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4453 * i386.c (x86_decompose_lea): Kill.
4454 (ix86_rtx_costs): Kill.
4456 2006-01-11 Jan Hubicka <jh@suse.cz>
4458 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4459 * cgraph.h (cgraph_node): Add inline_decl.
4460 (cgraph_insert_node_to_hashtable): Declare.
4461 (save_inline_function_body): Declare.
4462 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4463 clones.
4464 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4465 (cgraph_function_versioning): Update call of tree_function_versioning.
4466 (save_inline_function_body): New function.
4467 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4468 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4469 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4470 (cgraph_default_inline_p): Likewise.
4471 (cgraph_decide_inlining_incrementally): Likewise.
4472 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4473 (copy_bb): Kill saving; do updating of clones.
4474 (copy_cfg_body): Kill saving.
4475 (initialize_inlined-parameters): Likewise.
4476 (expand_call_inline): Likewise.
4477 (save_body): Kill.
4478 (tree_function_versioning): New parameter "update_clones".
4479 (inlining_p): Kill saving.
4480 * tree-inline.h (tree_function_versioning): Update prototype.
4481 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4482 saving.
4484 2006-01-11 Ian Lance Taylor <ian@airs.com>
4486 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4487 Allow undoing set of machine mode.
4488 (do_SUBST): Use enums instead of is_int.
4489 (do_SUBST_MODE): New function.
4490 (SUBST_MODE): New macro.
4491 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4492 reg and trying to replace reg_regno_rtx with a new register.
4493 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4494 (simplify_set): Use SUBST_MODE.
4495 (distribute_notes): Remove code that tried to update reg notes
4496 for regno_reg_rtx changes.
4498 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4500 PR tree-optimization/23109
4501 PR tree-optimization/23948
4502 PR tree-optimization/24123
4504 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4505 * tree-cfg.c (single_noncomplex_succ): New.
4506 * tree-flow.h (single_noncomplex_succ): Declare it.
4507 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4508 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4509 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4510 insert_bb, register_division_in, insert_reciprocals,
4511 replace_reciprocal, free_bb): New.
4512 (execute_cse_reciprocals_1): Rewritten.
4513 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4514 Do not commit any edge insertion. Always compute dominators and
4515 create the allocation pool.
4516 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4517 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4518 * targhooks.c (default_min_divistions_for_recip_mul): New.
4519 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4520 * passes.c (init_optimization_passes): Run recip after tree loop
4521 optimizations.
4522 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4524 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4525 Kenneth Zadeck <zadeck@naturalbridge.com>
4527 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4528 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4529 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4530 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4531 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4532 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4533 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4534 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4535 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4536 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4537 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4538 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4539 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4540 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4541 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4542 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4543 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4544 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4545 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4546 DF_SCAN_POST_ALLOC): New macros.
4547 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4548 df_free_bb_function, df_local_compute_function, df_init_function,
4549 df_dataflow_function, df_confluence_function_0,
4550 df_confluence_function_n, df_transfer_function,
4551 df_finalizer_function, df_free_function, df_dump_problem_function,
4552 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4553 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4554 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4555 df_urec_bb_info, ) New types.
4556 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4557 variables.
4558 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4559 df_analyze_simple_change_some_blocks,
4560 df_analyze_simple_change_one_block, df_compact_blocks,
4561 df_bb_replace, df_bb_regno_last_use_find,
4562 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4563 df_insn_regno_def_p, df_find_def, df_find_use,
4564 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4565 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4566 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4567 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4568 debug_df_chain, df_get_dependent_problem, df_chain_create,
4569 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4570 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4571 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4572 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4573 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4574 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4575 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4576 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4577 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4578 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4579 df_reorganize_refs, df_set_state, df_hard_reg_init,
4580 df_read_modify_subreg_p) New public functions.
4581 * df-core.c: The core dataflow solver and glue routines for rtl
4582 dataflow.
4583 (df_init, df_add_problem, df_set_blocks, df_finish,
4584 df_hybrid_search_forward, df_hybrid_search_backward,
4585 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4586 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4587 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4588 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4589 df_reg_defined, df_find_use, df_reg_used, df_dump,
4590 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4591 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4592 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4593 debug_df_useno, reset_df_after_reload): New functions.
4594 * df-scan.c: The scanning fuctions, once in df.c, completely
4595 rewritten so that they now fully model the functionality of
4596 register usage at the backend.
4597 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4598 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4599 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4600 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4601 df_get_artificial_defs, df_get_artificial_uses,
4602 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4603 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4604 df_refs_delete, df_reorganize_refs, df_set_state,
4605 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4606 df_def_record_1, df_defs_record, df_uses_record,
4607 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4608 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4609 df_record_exit_block_uses, df_hard_reg_init): New functions.
4611 * df-problems.c: Seven concrete dataflow problems that use the
4612 scanning in df-scan.c and are solved by the engine in df-core.c.
4613 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4614 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4615 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4616 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4617 df_ru_free_bb_info, df_ru_alloc,
4618 df_ru_bb_local_compute_process_def,
4619 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4620 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4621 df_ru_transfer_function, df_ru_free, df_ru_dump,
4622 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4623 df_rd_free_bb_info, df_rd_alloc,
4624 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4625 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4626 df_rd_transfer_function, df_rd_free, df_rd_dump,
4627 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4628 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4629 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4630 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4631 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4632 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4633 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4634 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4635 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4636 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4637 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4638 df_urec_mark_reg_use_for_earlyclobber,
4639 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4640 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4641 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4642 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4643 df_chain_create_bb_process_use, df_chain_create_bb,
4644 df_chain_finalize, df_chain_free, df_chains_dump,
4645 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4646 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4647 df_reg_lifetime): New functions.
4648 * df.c: Deleted file.
4649 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4650 consistent with new df api.
4651 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4652 rest_of_handle_sms): Ditto.
4653 * web.c (unionfind_union, union_defs, entry_register, web_main):
4654 Ditto.
4655 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4656 invariant_expr_equal_p, find_defs, check_dependencies,
4657 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4658 free_inv_motion_data, move_loop_invariants): Ditto.
4659 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4660 Update dependencies.
4661 (odf.c): Added defective entry that was deleted later in day.
4662 * sched-deps.c (sched_analyze_1): Ditto.
4664 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4666 * tree-ssa-operands.c (get_expr_operands): Record addressable
4667 variables directly. Do not call add_stmt_operands for CONST_DECLs
4668 and ARRAY_DECLs.
4669 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4670 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4672 2006-01-11 Ben Elliston <bje@au.ibm.com>
4674 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4675 function returns true in the positive case.
4677 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4679 PR target/20754
4680 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4681 for SI, DI, SF and DF modes. Add alternatives to copy between
4682 general and floating point registers to the 32-bit patterns.
4683 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4684 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4685 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4686 generating 64-bit code.
4687 * config/pa/pa.c (output_move_double): Handle copies between general
4688 and floating registers.
4690 2006-01-10 Stuart Hastings <stuart@apple.com>
4692 * config/i386/i386.md (set_got): Update.
4693 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4694 (builtin_setjmp_receiver): Mach-O support.
4695 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4696 (GOT_SYMBOL_NAME): Define.
4697 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4698 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4699 * config/i386/i386.c (override_options): Revise for Darwin.
4700 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4701 support. (darwin_x86_file_end): New. (output_set_got): Add label
4702 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4703 * config/i386/i386-protos.h (output_set_got): Likewise.
4704 * config/darwin.c (machopic_legitimize_pic_address): Update
4705 regs_ever_live[].
4707 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4709 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4710 when MODE isn't BLKmode.
4712 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4714 PR rtl-optimization/25367
4715 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4717 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4719 PR target/25718
4720 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4721 for a negative bound.
4723 2006-01-10 Richard Guenther <rguenther@suse.de>
4725 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4726 Never override with anything constraint.
4728 2006-01-10 Jan Beulich <jbeulich@novell.com>
4730 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4731 256 bits when optimize_size.
4733 2006-01-10 Jan Beulich <jbeulich@novell.com>
4735 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4736 MASK_ALIGN_DOUBLE.
4737 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4738 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4739 arguments.
4741 2006-01-10 Ben Elliston <bje@au.ibm.com>
4743 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4744 float modes.
4745 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4746 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4747 (USE_FP_FOR_ARG): Reject decimal float modes.
4748 (function_arg_advance): Likewise.
4749 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4750 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4751 point types in AltiVec vectors.
4752 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4753 (rs6000_libcall_value): Likewise.
4755 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4757 * config/xtensa/ieee754-df.S: New file.
4758 * config/xtensa/ieee754-sf.S: New file.
4759 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4760 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4761 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4763 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4765 * config/sh/predicates.md (binary_float_operator,
4766 binary_logical_operator, commutative_float_operator,
4767 equality_comparison_operator, greater_comparison_operator,
4768 less_comparison_operator, logical_operator,
4769 noncommutative_float_operator, shift_operator,
4770 symbol_ref_operand, unary_float_operator): Remove redundant
4771 conditionals.
4773 2006-01-09 Jeff Law <law@redhat.com>
4775 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4776 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4777 now unused arguments. Callers updated.
4778 (eliminate_redundant_computations): Remove now unused arguments,
4779 callers updated.
4780 (local_fold): Remove, no longer used.
4781 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4782 and moved to...
4783 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4784 (simplify_cond): New function.
4785 (forward_propagate_into_cond): Call simplify_cond.
4787 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4789 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4790 (*vec_extractv2di_1_sse): New.
4792 2006-01-09 Ben Elliston <bje@au.ibm.com>
4794 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4796 2006-01-08 Richard Guenther <rguenther@suse.de>
4798 * tree-ssa-structalias.c (get_constraint_for): Remove
4799 anyoffset argument.
4800 (get_constraint_for_component_ref): Likewise.
4801 (do_deref): Likewise.
4802 (get_constraint_for): Likewise.
4803 (do_structure_copy): Likewise.
4804 (handle_ptr_arith): Likewise.
4805 (find_func_aliases): Likewise. Remove unused need_anyoffset
4806 variable.
4808 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4809 Kaz Kojima <kkojima@gcc.gnu.org>
4811 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4812 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4813 (EXTRA_CONSTRAINT_C16): Remove.
4814 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4815 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4816 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4817 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4818 constants of SHmedia. Handle nested constant expressions of
4819 SHmedia correctly.
4820 (andcosts): Fix the costs for SHmedia constants.
4821 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4822 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4823 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4824 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4825 (movv4hi_i, movv2si_i): Likewise.
4826 (movsi_const): Adjust the second operand of ior so to match with
4827 the Csu constraint.
4828 (movdi_const, movdi_const_32bit): Likewise.
4829 (movdi_const_16bit+1): Don't sign-extend LOW.
4830 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4831 step.
4832 (*double_shori): Fix the split condition. Use GEN_INT instead
4833 of get_int_mode calls. Mask lower 16-bit of the argument of
4834 the last GEN_INT.
4835 (sym2GOTPLT): Remove.
4836 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4837 gen_rtx_UNSPEC.
4838 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4839 instead of EXTRA_CONSTRAINT_C16.
4841 2006-01-07 Ian Lance Taylor <ian@airs.com>
4842 David Edelsohn <edelsohn@gnu.org>
4844 PR rtl-optimization/25662
4845 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4846 for constant operands instead of simplify_gen_binary.
4847 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4848 after trying simplify_binary_operation
4850 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4852 * tree.c (iterative_hash_expr): Hash decls based on UID.
4854 2006-01-06 Eric Christopher <echristo@apple.com>
4856 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4857 (TARGET_UNWIND_EMIT): Fix spelling.
4858 * target.h (gcc_target): Add except_table_label.
4859 * except.c (output_function_exception_table): Use.
4860 * varasm.c (default_emit_except_table_label): New.
4861 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4862 define.
4863 (asm_out): Add here.
4864 * output.h (default_emit_except_table_label): Prototype.
4865 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4866 * config/darwin.c (darwin_emit_except_table_label): Define.
4867 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4869 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4871 PR tree-optimization/18527
4872 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4873 number_of_iterations_special, number_of_iterations_exit):
4874 Move base and step of an iv to a single structure. Add
4875 no_overflow flag, and use it in # of iterations analysis.
4876 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4877 folded_casts argument.
4878 (simple_iv): Pass base and step in a structure. Set no_overflow
4879 flag.
4880 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4881 Evaluate expensiveness of computing # of iterations instead of
4882 the final expression.
4883 * tree-scalar-evolution.h (affine_iv): New structure.
4884 (simple_iv): Declaration changed.
4885 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4886 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4887 find_givs_in_stmt): Changed due to simple_iv change.
4889 2006-01-06 Jeff Law <law@redhat.com>
4891 PR ada/24994
4892 * tree-cfg.c (bsi_replace): Rename final argument from
4893 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4894 change (stmt -> orig_stmt).
4895 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4896 (bsi_remove): Add new argument. Remove EH information
4897 if requested.
4898 (verify_eh_throw_table_statements): New function.
4899 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4900 updated.
4901 * tree-optimize.c (execute_free_cfg_annotations): Verify
4902 the EH throw statement table after removing annotations.
4903 * except.h (verify_eh_throw_table_statements): Prototype.
4904 * tree-flow.h (bsi_remove): Update prototype.
4905 * tree-vrp.c (remove_range_assertions): Add new argument to
4906 bsi_remove call.
4907 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4908 * tree-complex.c (expand_complex_div_wide): Likewise.
4909 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4910 * tree-tailcall.c (eliminate_tailcall): Likewise.
4911 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4912 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4913 * tree-nrv.c (tree_nrv): Likewise.
4914 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4915 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4916 (combine_blocks): Likewise.
4917 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4918 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4919 (cleanup_control_flow): Likewise.
4920 (remove_forwarder_block): Likewise.
4921 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4922 * tree-sra.c (sra_replace): Likewise.
4923 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4924 (forward_propagate_single_use_vars): Likewise.
4925 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4926 * tree-inline.c (expand_call_inline): Likewise.
4927 * tree-vect-transform.c (vect_transform_loop): Likewise.
4928 * tree-outof-ssa.c (rewrite_trees): Likewise.
4929 * tree-cfg.c (make_goto_expr_edges): Likewise.
4930 (cleanup_dead_labels): Likewise.
4931 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4932 (bsi_move_before, bsi_move_after): Likewise.
4933 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4934 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4936 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4938 PR tree-opt/25528
4939 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4940 and IMAGPART_EXPR.
4941 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4942 on non gimple variables. Also add checks at the top for decls and
4943 mtags.
4944 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4945 complex types.
4946 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4947 and IMAGPART_EXPR for creating MUST_DEFs.
4948 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4949 and NAME_MEMORY_TAG separately from the DECLs.
4951 2006-01-06 Richard Guenther <rguenther@suse.de>
4953 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4954 annotation, if necessary.
4955 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4956 redundant calls to update_stmt.
4957 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4958 Likewise.
4960 2006-01-05 Richard Henderson <rth@redhat.com>
4962 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4964 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4966 * c-typeck.c: Update copyright date.
4968 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4970 * c-typeck.c (build_c_cast): Always warn when casting
4971 from a pointer to an integer of different size, even if
4972 the node was constant.
4974 2006-01-05 Richard Guenther <rguenther@suse.de>
4976 PR tree-optimization/22555
4977 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4978 if one structure field is an array.
4979 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4980 operands even if we found a subvar, but ignore VOPs in this
4981 case.
4982 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4983 for renaming.
4984 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4986 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4988 PR middle-end/24998
4989 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4991 2006-01-05 Richard Guenther <rguenther@suse.de>
4992 Diego Novillo <dnovillo@redhat.com>
4994 * tree-pass.h (TODO_remove_unused_locals): Define.
4995 * gimple-low.c (expand_var_p, remove_useless_vars,
4996 pass_remove_useless_vars): Remove. Update all users.
4997 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4998 (remove_unused_locals): New function.
4999 * tree-flow.h (remove_unused_locals): Declare.
5000 * passes.c (execute_todo): Call remove_unused_locals if
5001 TODO_remove_unused_locals is set.
5002 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5003 * tree-ssa-dce.c (pass_dce): Likewise.
5004 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5006 2006-01-05 Richard Guenther <rguenther@suse.de>
5008 * tree-flow.h (struct fieldoff): Decompose field to
5009 type, size and decl.
5010 * tree-ssa-alias.c (create_sft): Take type as parameter.
5011 (create_overlap_variables_for): Store type, size and decl
5012 in the fieldoff structure.
5013 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5014 of struct fieldoff.
5015 (push_fields_onto_fieldstack): Likewise.
5016 (create_variable_info_for): Likewise. Use offset for the
5017 SFT name if the decl is not available.
5019 2006-01-04 Paul Brook <paul@codesourcery.com>
5021 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5023 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5025 * lambda-code.c (can_put_in_inner_loop): Relax
5026 restrictions.
5027 (can_put_after_inner_loop): New function.
5028 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5029 (perfect_nestify): Change to make copies and modify uses.
5031 2006-01-04 Richard Henderson <rth@redhat.com>
5033 Merge from gomp branch:
5034 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5035 via integer constant.
5036 (pragma_lex): Remove.
5037 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5038 rather than parsing it.
5039 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5040 handle_pragma_extern_prefix): Add %< %> quotes.
5041 (registered_pragmas): New.
5042 (c_register_pragma_1): New.
5043 (c_register_pragma): Use it.
5044 (c_register_pragma_with_expansion): Likewise.
5045 (c_invoke_pragma_handler): New.
5046 (init_pragma): Use cpp_register_deferred_pragma directly for
5047 pch_preprocess.
5048 * c-pragma.h (enum pragma_kind): New.
5049 (pragma_handler): New.
5050 (c_invoke_pragma_handler): Declare.
5051 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5052 CPP_PRAGMA_EOL.
5053 * c-common.h (c_common_pch_pragma): Update decl.
5054 * Makefile.in (c-parser.o): Update dependencies.
5055 (GTFILES): Add c-pragma.h.
5056 * c-parser.c (struct c_token): Add pragma_kind.
5057 (struct c_parser): Add in_pragma.
5058 (c_lex_one_token): Always initialize keyword and pragma_kind.
5059 Extract data for CPP_PRAGMA.
5060 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5061 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5062 Don't allow CPP_PRAGMA_EOL if in_pragma.
5063 (c_parser_consume_pragma): New.
5064 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5065 (c_parser_skip_to_end_of_parameter): Likewise.
5066 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5067 (c_parser_skip_to_pragma_eol): New.
5068 (c_parser_external_declaration): Handle CPP_PRAGMA.
5069 (c_parser_compound_statement_nostart): Likewise.
5070 (c_parser_statement_after_labels): Likewise.
5071 (c_parser_pragma): New.
5072 (pragma_lex): Likewise.
5073 (c_parser_pragma_pch_preprocess): New.
5074 (c_parser_new): Merge into ...
5075 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5077 2006-01-04 Jeff Law <law@redhat.com>
5079 PR ada/24994
5080 * tree-cfg.c (bsi_replace): Remove the original statement
5081 from the EH throw statement table.
5083 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5085 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5086 make the prototype extern "C" and add throw ().
5088 PR target/25554
5089 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5090 and pos non-negative and pos + len <= 32.
5091 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5092 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5093 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5095 PR c/25559
5096 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5097 as well as sizes not multiple of component size.
5099 PR debug/25562
5100 * function.c (instantiate_expr): New function.
5101 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5102 walk its DECL_VALUE_EXPR with instantiate_expr.
5104 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5105 DW_OP_deref{,_size} if address isn't going to be added.
5107 2006-01-04 Ben Elliston <bje@au.ibm.com>
5109 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5110 * config/fp-bit.c: Likewise.
5112 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5114 * dominance.c: Add comment about why we use DFS numbering
5115 of dominance tree.
5117 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5118 Richard Henderson <rth@redhat.com>
5120 Merge from gomp-branch:
5121 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5122 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5124 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5126 PR rtl-optimization/25578
5127 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5128 pass a parameter to simplify_shift_const if changing ASHIFTRT
5129 to LSHIFTRT.
5131 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5133 * builtins.c (get_builtin_sync_mem): New function.
5134 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5135 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5136 Call get_builtin_sync_mem to generate mem rtx.
5138 2006-01-03 Richard Guenther <rguenther@suse.de>
5140 PR c/25183
5141 * stmt.c (add_case_node): Make sure to clear overflow flags
5142 from ranges.
5144 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5146 Merge from gomp-branch.
5147 * config/sparc/sync.md: New file.
5148 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5149 UNSPECV_LDSTUB): New constants.
5150 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5151 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5152 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5153 prototype.
5155 2006-01-03 Roger Sayle <roger@eyesopen.com>
5157 * combine.c (reg_subword_p): New predicate to test whether the
5158 destination of a set refers to a subword/piece of a register.
5159 (try_combine): Generalize the code to merge the setting of a
5160 pseudo to a constant followed by a set of a subword of that
5161 register to a constant.
5163 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5165 * basic-block.h (control_flow_graph): Change the type of
5166 x_label_to_block_map to VEC(basic_block,gc) *.
5167 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5168 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5170 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5171 VEC(basic_block,heap) *.
5172 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5173 ssa_prop_fini): Adjust the uses of cfg_blocks.
5175 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5177 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5178 COMPONENT_REFs.
5179 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5180 hashing trees instead of a pointer hash.
5181 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5182 compare for MEM_EXPR.
5184 PR rtl-optimization/25130
5185 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5186 when comparing MEMs for GCSE
5188 2006-01-03 Ben Elliston <bje@au.ibm.com>
5190 * targhooks.h (default_decimal_float_supported_p): Declare.
5191 * targhooks.c (default_decimal_float_supported_p): Define.
5192 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5193 `default_decimal_float_supported_p'.
5194 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5196 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5198 * combine.c (apply_distributive_law <SUBREG>): Check
5199 TRULY_NOOP_TRUNCATION.
5201 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5203 * dwarf2out.c (have_switched_text_section): Delete.
5204 (have_multiple_function_sections): New.
5205 (have_location_lists): Make 'bool'.
5206 (add_AT_loc_list): Use 'true' not '1'.
5207 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5208 (output_loc_list): Use have_multiple_function_sections.
5209 (output_ranges): Likewise.
5210 (dwarf2out_begin_function): Set have_multiple_function_sections if
5211 necessary.
5212 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5213 Check function_section rather than DECL_SECTION_NAME.
5214 (dwarf2out_finish): Use have_multiple_function_sections.
5215 Don't clear have_location_lists.
5217 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5218 Jan Hubicka <jh@suse.cz>
5220 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5221 case of conditional jump jumping to the next instruction.
5222 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5223 cases of conditional jump jumping to the next instruction.
5225 2006-01-02 Jan Hubicka <jh@suse.cz>
5227 * i386.c (*_cost): Add COSTS_N_INSNS.
5228 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5230 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5232 PR target/25259
5233 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5235 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5237 * config/arm/arm.c (all_fpus): Fix comment typo.
5238 * config/darwin.c: Likewise.
5239 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5240 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5241 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5243 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5245 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5246 (rs6000_split_compare_and_swapqhi): New.
5247 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5248 (sync_compare_and_swapqhi_internal): New.
5249 * config/rs6000/rs6000-protos.h: Declare.