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