1 2005-02-18 David Edelsohn <edelsohn@gnu.org>
4 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7 2005-02-18 Richard Sandiford <richard@codesourcery.com>
9 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11 (copy_insn_1): Likewise. Don't copy each field individually.
13 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16 * rtl.c (rtx_size): Rename variable to...
17 (rtx_code_size): ...this.
18 (rtx_size): New function.
19 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
20 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
22 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
23 * rtl.h (rtx_code_size): New variable.
24 (rtx_size): Change from a variable to a function.
25 (RTX_SIZE): Rename to...
26 (RTX_CODE_SIZE): ...this.
29 PR tree-optimization/17106
30 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
31 (Anchored Addresses): New section.
32 * doc/invoke.texi (-fsection-anchors): Document.
33 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
34 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
35 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
36 * hooks.c (hook_bool_mode_rtx_false): New function.
37 * hooks.h (hook_bool_mode_rtx_false): Declare.
38 * gengtype.c (create_optional_field): New function.
39 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
40 SYMBOL_REF_IN_BLOCK_P is true.
41 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
42 (min_anchor_offset, max_anchor_offset): Likewise.
43 (use_anchors_for_symbol_p): New hook.
44 * toplev.c (compile_file): Call output_object_blocks.
45 (target_supports_section_anchors_p): New function.
46 (process_options): Check that -fsection-anchors is only used on
47 targets that support it and when -funit-at-a-time is in effect.
48 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
49 if the decl doesn't have one.
50 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
51 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
52 of force_const_mem through use_anchored_address.
53 (expand_expr_constant): New function.
54 (expand_expr_addr_expr_1): Call it. Use the same modifier when
55 calling expand_expr for INDIRECT_REF.
56 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
57 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
58 * expr.h (use_anchored_address): Declare.
59 * loop-unroll.c: Don't declare rtx vectors here.
60 * explow.c: Include output.h.
61 (validize_mem): Call use_anchored_address.
62 (use_anchored_address): New function.
63 * common.opt (-fsection-anchors): New switch.
64 * varasm.c (object_block_htab, anchor_labelno): New variables.
65 (hash_section, object_block_entry_eq, object_block_entry_hash)
66 (use_object_blocks_p, get_block_for_section, create_block_symbol)
67 (use_blocks_for_decl_p, change_symbol_section): New functions.
68 (get_variable_section): New function, split out from assemble_variable.
69 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
70 use_blocks_for_decl_p say so. Use change_symbol_section if the
71 symbol has already been created.
72 (assemble_variable_contents): New function, split out from...
73 (assemble_variable): ...here. Don't output any code for
74 block symbols; just pass them to place_block_symbol.
75 Use get_variable_section and assemble_variable_contents.
76 (get_constant_alignment, get_constant_section, get_constant_size): New
77 functions, split from output_constant_def_contents.
78 (build_constant_desc): Create a block symbol if use_object_blocks_p
79 says so. Or into SYMBOL_REF_FLAGS.
80 (assemble_constant_contents): New function, split from...
81 (output_constant_def_contents): ...here. Don't output any code
82 for block symbols; just pass them to place_section_symbol.
83 Use get_constant_section and get_constant_alignment.
84 (force_const_mem): Create a block symbol if use_object_blocks_p and
85 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
86 (output_constant_pool_1): Add an explicit alignment argument.
87 Don't switch sections here.
88 (output_constant_pool): Adjust call to output_constant_pool_1.
89 Switch sections here instead. Don't output anything for block symbols;
90 just pass them to place_block_symbol.
91 (init_varasm_once): Initialize object_block_htab.
92 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
93 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
94 (place_block_symbol, get_section_anchor, output_object_block)
95 (output_object_block_htab, output_object_blocks): New functions.
96 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
97 (TARGET_ASM_OUT): Include it.
98 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
99 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
100 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
101 (TARGET_INITIALIZER): Include them.
102 * rtl.c (rtl_check_failed_block_symbol): New function.
103 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
104 (block_symbol, object_block): New structures.
105 (rtx_def): Add a block_symbol field to the union.
106 (BLOCK_SYMBOL_CHECK): New macro.
107 (rtl_check_failed_block_symbol): Declare.
108 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
109 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
110 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
111 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
112 * output.h (output_section_symbols): Declare.
113 (object_block): Name structure.
114 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
115 (default_use_anchors_for_symbol_p): Declare.
116 * Makefile.in (RTL_BASE_H): Add vec.h.
117 (explow.o): Depend on output.h.
118 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
119 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
120 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
121 (rs6000_use_blocks_for_constant_p): New function.
123 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
125 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
127 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
130 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
133 2006-02-18 Diego Novillo <dnovillo@redhat.com>
135 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
139 2006-02-18 Jakub Jelinek <jakub@redhat.com>
142 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
143 instead of DECL_REGISTER.
145 2006-02-18 Olivier Hainque <hainque@adacore.com>
148 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
150 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
153 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
154 * opth-gen.awk: Handle Var and InverseMask together.
155 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
156 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
157 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
158 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
160 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
161 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
162 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
163 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
164 LINUX_DYNAMIC_LINKER): Define.
165 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
166 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
168 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
169 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
170 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
172 (TARGET_C99_FUNCTIONS): Don't define.
173 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
174 GLIBC_DYNAMIC_LINKER.
175 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
176 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
177 GLIBC_DYNAMIC_LINKER64): Define.
178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
179 LINUX_DYNAMIC_LINKER64.
180 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
182 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
184 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
186 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
187 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
188 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
190 and LINUX_DYNAMIC_LINKER32.
191 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
193 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
195 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
197 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
198 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
199 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
200 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
201 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
202 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
203 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
204 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
205 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
206 LINUX_DYNAMIC_LINKER): Define.
207 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
208 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
209 GLIBC_DYNAMIC_LINKER64): Define.
210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
211 LINUX_DYNAMIC_LINKER64.
212 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
213 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
214 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
215 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
216 LINUX_DYNAMIC_LINKER): Define.
217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
218 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
219 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
220 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
221 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
222 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
223 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
224 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
225 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
226 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
228 * doc/invoke.texi (-muclibc): Remove caveat about supported
231 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
233 * doc/cpp.texi (__TIMESTAMP__): Document.
235 2006-02-17 Roger Sayle <roger@eyesopen.com>
238 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
239 C is one less than the width of X (and related transformations).
240 * simplify_rtx.c (simplify_unary_operation_1): Transform
241 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
242 depending on STORE_FLAG_VALUE, were C is one less then the
245 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
247 Fix PR tree-optimization/26341
248 * tree-ssa-operands.c (add_virtual_operand): Remove assert
249 about NAME_MEMORY_TAG's.
251 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
254 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
255 with hardware float support, and software float support. Add fcpy
256 alternative to hardware patterns. Add alternatives to copy between
257 general and floating-point registers to the 32-bit pattern.
258 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
259 secondary reload to load a QI or HI mode constant into a floating
261 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
262 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
264 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
267 * config/rs6000/darwin.md (load_macho_picbase_si): Add
269 (load_macho_picbase_di): Likewise.
271 2006-02-16 Jeff Law <law@redhat.com>
273 * tree-vrp.c (set_value_range_to_nonnegative): New function.
274 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
275 (ssa_name_nonzero_p): Likewise.
276 (get_value_range): Return NULL if VRP is not running.
277 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
278 VRP routines do not discover a range.
279 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
280 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
281 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
282 (tree_expr_nonnegative_p): Similarly.
283 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
284 (restore_nonzero_vars_to_original_value): Remove.
285 (unsafe_associative_fp_binop): Remove.
286 (tree_ssa_dominator_optimize): Remove initialization and
287 finalization of nonzero_vars and nonzero_vars_stack.
288 (dom_opt_initialize_block): No longer push marker on
290 (dom_opt_finalize_block): No longer call
291 restore_nonzero_vars_to_original_value.
292 (record_equivalences_from_phis): No longer look for
293 nonzero PHI arguments.
294 (cprop_into_successor_phis): No longer propagate nonzero
295 property into PHI arguments. Lose unused argument. Caller
297 (record_equivalences_from_stmt): No longer record nonzero
298 values for SSA_NAMEs.
299 (lookup_avail_expr): No longer use nonzero_vars.
301 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
302 for sizetype when sizetype is unsigned.
304 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
306 PR rtl-optimization/25603
307 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
308 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
309 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
310 with new meaning of SETS.
312 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
317 * config/linux.opt: New file.
318 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
319 LINUX_DYNAMIC_LINKER): Define.
320 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
321 * config.gcc (*-*-linux*): Define extra_options.
322 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
323 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
324 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
325 GLIBC_DYNAMIC_LINKER.
326 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
327 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
328 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
330 * doc/invoke.texi (GNU/Linux Options): New section.
332 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
334 * config/sparc/sparc.md (setjmp): Rewrite.
336 (setjmp_64): Likewise.
338 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
340 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
343 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
345 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
348 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
350 PR rtl-optimization/26296
351 * Makefile.in (loop-invariant.c): Add except.h dependency.
352 * loop-invariant.c: Include except.h.
353 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
355 2005-02-16 Paul Brook <paul@codesourcery.com>
357 * reload1.c (emit_reload_insns): Invalidate dead input registers used
360 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
362 PR rtl-optimization/25636
363 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
364 when deciding whether an insn is an initializing insn.
366 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
368 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
369 (tree_code_size): Ditto.
370 * tree.h (struct tree_memory_tag): Remove parent_var.
371 (struct tree_struct_field_tag): New.
374 (union tree_node): Add sft member.
375 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
377 (create_sft): Add size and offset argument, set SFT_OFFSET and
379 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
380 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
381 * tree-flow-inline.h (get_subvar_at): Update for
383 (var_can_have_subvars): Ditto.
384 (overlap_subvar): Ditto.
385 * print-tree.c (print_node): Print out interesting things for
387 * tree-flow.h (struct subvar): Remove offset and size members.
388 * tree-ssa-operands.c (get_expr_operands): Update for
389 get_indirect_ref_operands changes.
390 (get_indirect_ref_operands): Call add_virtual_operand instead of
391 add_stmt_operand. Only recurse on base var if requested.
392 (access_can_touch_variable): New function.
393 (add_stmt_operand): Split virtual operand handling into ...
394 (add_virtual_operand): Here. Add offset, size, and for_clobber
395 arguments. Prune alias sets.
396 (add_call_clobber_ops): Call add_virtual_operand.
398 2006-02-15 Jakub Jelinek <jakub@redhat.com>
401 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
403 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
404 than TREE_CODE as index into omp_clause_num_ops array.
406 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
408 PR rtl-optimization/26184
409 * modulo-sched.c (generate_reg_moves): Free bitmap vector
411 * modulo-sched.c (sms_schedule): Free g_arr pointer.
412 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
413 must_precede, must_follow and tobe_scheduled.
416 * opts.c (common_handle_option): Free new_option pointer.
417 * df-core.c (df_analyze): Free postorder pointer.
419 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
421 * Makefile.in: Fix the examples about the use of stamps
423 2006-02-15 Michael Matz <matz@suse.de>
427 * stor-layout.c (layout_decl): Zero-width bitfields aren't
428 influenced by maximum_field_alignment or DECL_PACKED.
429 (update_alignment_for_field): Ditto.
430 (place_field): Ditto.
431 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
434 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
436 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
437 (debug_flow_info): Pass it.
438 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
439 * bb-reorder.c (reorder_basic_blocks): Likewise.
440 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
441 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
442 * flow.c (life_analysis, recompute_reg_usage): Likewise.
443 * gcse.c (gcse_main, bypass_jumps): Likewise.
444 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
445 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
446 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
447 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
448 * rtl.h (dump_flow_info): Adjust prototype.
449 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
450 * var-tracking.c (variable_tracking_main): Likewise.
451 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
452 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
455 2006-02-15 Marcin Dalecki <martin@dalecki.de>
457 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
460 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
462 PR tree-optimization/26209
463 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
464 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
466 * tree-cfg.c (replace_uses_by): Do not alter cfg.
468 2006-02-14 Roger Sayle <roger@eyesopen.com>
471 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
472 (X,Y) and the corresponding symmetry related transformations.
473 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
474 (X,Y) and its symmetry related transformations.
476 2006-02-14 Roger Sayle <roger@eyesopen.com>
478 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
481 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
483 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
485 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
488 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
489 support COMDAT group.
490 * configure: Regenerate.
492 2006-02-14 Roger Sayle <roger@eyesopen.com>
497 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
499 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
501 Fix PR tree-optimization/26260
503 * doc/invoke.texi (max-fields-for-field-sensitive): Document
505 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
506 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
507 * tree-ssa-structalias.c (create_variable_info_for): Use
508 MAX_FIELDS_FOR_FIELD_SENSITIVE.
510 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
512 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
514 * tree-ssa-loop-niter.c (number_of_iterations_ne,
515 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
516 of the ending condition.
517 * tree-ssa-loop-manip.c: Include params.h.
518 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
519 tree_unroll_loop): New functions.
520 * tree-pass.h (pass_loop_prefetch): Declare.
521 * loop.c (rest_of_handle_loop_optimize): Test for
522 -fprefetch-loop-arrays-rtl.
523 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
524 * timevar.def (TV_TREE_PREFETCH): New timevar.
525 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
526 pass_loop_prefetch): New.
527 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
528 (cleanup_tree_cfg_loop): Call scev_reset.
529 * common.opt (fprefetch-loop-arrays-rtl): Add.
530 * tree-ssa-loop-prefetch.c: New file.
531 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
532 (new_temp_expr_table): Initialize expr_vars.
533 (free_temp_expr_table): Cleanup expr_vars.
534 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
535 expressions from being merged into one.
536 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
537 (struct tree_niter_desc): Add control, bound and cmp fields.
538 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
540 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
541 (tree-cfgcleanup.o): Add SCEV_H dependency.
542 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
543 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
545 2006-02-14 Richard Guenther <rguenther@suse.de>
547 PR tree-optimization/26258
548 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
549 in PHI argument processing.
551 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
553 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
554 new expression in the requested machine mode.
556 2006-02-13 Roger Sayle <roger@eyesopen.com>
558 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
559 directly, instead let do_compare_rtx_and_jump handle this for us.
560 * expr.c (expand_expr_real_1): Likewise.
561 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
562 before do_jump_by_parts_greater.
563 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
564 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
566 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
568 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
570 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
572 PR rtl-optimization/26235
573 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
574 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
577 2006-02-13 Jeff Law <law@redhat.com>
579 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
582 2006-02-13 Jakub Jelinek <jakub@redhat.com>
585 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
586 twice if decl is a builtin. When trying again, call get_callee_fndecl
587 first to verify it is still a builtin.
589 2006-02-13 Geoffrey Keating <geoffk@apple.com>
591 * dwarf2out.c (base_type_die): Don't add AT_name here.
592 (subrange_type_die): Don't add AT_name here.
593 (modified_type_die): Rearrange code flow. Do add AT_name here.
595 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
597 PR rtl-optimization/26247
598 PR rtl-optimization/26248
599 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
601 2006-02-13 Richard Sandiford <richard@codesourcery.com>
603 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
604 * config/fixtfdi.c: Likewise.
605 * config/fixunstfdi.c: Likewise.
606 * config/floatditf.c: Likewise.
608 2006-02-13 Roger Sayle <roger@eyesopen.com>
611 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
612 into (X,C2) if C1 is a subset of the bits of C2. Transform
613 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
615 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
617 2006-02-13 Josh Conner <jconner@apple.com>
620 * varasm.c (function_section): Check for section name before
621 calling select_section on targets that define
622 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
623 unlikely_text_section instead of hot_function_section if
624 first_function_block_is_cold.
626 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
629 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
631 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
633 PR rtl-optimization/26222
634 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
635 after tree->rtl expansion.
636 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
637 before passing it to emit_move_insn.
639 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
641 * doc/invoke.texi (-Write-strings): Document that it is enabled by
643 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
644 Clarify documentation.
645 * c-common.h (warn_write_strings): Remove.
646 * c-common.c (warn_write_strings): Likewise.
647 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
650 2006-02-12 Roger Sayle <roger@eyesopen.com>
653 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
654 (do_jump_parts_zero_rtx): New function renamed from
655 do_jump_parts_equality_rtx. Made static. Add a mode argument.
656 (do_jump_parts_equality_rtx): New function split out from
657 do_jump_parts_equality. Old implementation renamed as above.
658 Call do_jump_parts_zero_rtx if either operand is zero.
659 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
660 do all of the heavy lifting.
661 (do_compare_rtx_and_jump): Handle multi-word comparisons by
662 calling either do_jump_by_parts_greater_rtx or
663 do_jump_by_parts_equality_rtx.
664 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
665 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
666 moved to do_compare_rtx_and_jump, call it directly.
667 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
668 mode argument. Call do_compare_rtx_and_jump.
669 (emit_case_nodes): Update calls to do_jump_if_equal.
671 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
673 PR rtl-optimization/26225
674 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
676 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
678 PR rtl-optimization/26232
679 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
681 2006-02-11 Jason Merrill <jason@redhat.com>
684 * tree-inline.c (declare_return_variable): Just don't use the
685 modify target if it's a gimple complex reg and the return slot
688 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
690 * doc/contrib.texi: Update my entry.
692 2006-02-10 Geoffrey Keating <geoffk@apple.com>
694 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
696 2006-02-10 Diego Novillo <dnovillo@redhat.com>
698 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
701 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
703 * doc/invoke.texi (-floop-optimize2): Removed.
704 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
705 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
706 Test flag_branch_on_count_reg only if HAVE_doloop_end.
707 * common.opt (floop-optimize2): Removed.
708 (fmove-loop-invariants): Enabled by default.
710 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
712 * tree-if-conv.c (combine_blocks): Free the result of
715 2006-02-10 Jeff Law <law@redhat.com>
717 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
719 PR tree-optimization/26213
720 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
721 loop trying to follow SSA_NAME_VALUE chains.
723 2006-02-10 Richard Guenther <rguenther@suse.de>
725 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
726 deal with structures that end in implicitly variable sized arrays.
728 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
730 PR rtl-optimization/24762
731 * df-scan.c (df_bb_refs_record): Record correct registers defined on
734 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
736 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
737 (struct ivopts_data): Add regs_used field.
738 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
739 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
740 instead of loop_data->regs_used;
741 (free_loop_data): Do not free aux fields for loops.
742 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
743 and tree_ssa_iv_optimize_finalize.
745 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
747 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
749 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
752 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
753 computing the effective result type.
755 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
758 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
759 (tree_overlaps_hard_reg_set): Declare.
760 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
761 type and signature to match function type expected by walk_tree.
762 (tree_overlaps_hard_reg_set): New function.
763 (decl_conflicts_with_clobbers_p): Rename to:
764 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
765 Use tree_overlaps_hard_reg_set. Changed caller.
766 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
767 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
768 * cris.c (cris_md_asm_clobbers): Likewise.
770 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
772 * reload1.c (emit_input_reload_insns): Delete code that tries to
773 inherit using find_equiv_reg.
775 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
777 * c-common.h (flag_const_strings): Don't declare.
778 * c-common.c (flag_const_strings): Remove.
779 * c.opt (fconst_strings): Remove.
780 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
781 <OPT_Wwrite_strings>: Don't set flag_const_strings.
782 (c_common_init_options): Don't set flag_const_strings.
783 * doc/invoke.texi (-fno-const-strings): Remove documentation.
785 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
787 * arm.md (tlobits_cbranch): New pattern.
788 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
789 testing a single bit.
791 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
794 * tree-ssa-pre.c (create_component_ref_by_pieces):
795 Handle RETURN_DECL like VAR_DECL.
797 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
800 * fold-const.c (fold_indirect_ref_1): Fold
801 "*(foo *)&complexfoo" to "__real__ complexfoo"
802 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
804 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
806 * tree-flow-inline.h (var_can_have_subvars):
807 Volatile variables should not have subvariables.
809 2006-02-09 Diego Novillo <dnovillo@redhat.com>
812 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
813 multiplying unsigned values.
816 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
818 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
820 2006-02-08 Jason Merrill <jason@redhat.com>
823 * tree.def: Elaborate on difference from MODIFY_EXPR.
824 * doc/c-tree.texi (INIT_EXPR): Likewise.
825 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
826 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
827 (gimplify_target_expr): Likewise.
828 (gimplify_cond_expr): Remove target handling.
829 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
830 (gimplify_expr): Clobber it here.
831 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
832 Do return slot optimization if we have an INIT_EXPR.
835 * tree-inline.c (declare_return_variable): Also clear
836 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
839 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
842 * gimplify.c (gimplify_one_sizepos): Fix typo.
844 2006-02-08 Jeff Law <law@redhat.com>
846 PR tree-optimization/21417
847 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
848 across a backedge if the control statement at the end of the
849 block is data dependent on other statements in the same block.
850 (record_temporary_equivalences_from_stmts): Remove over-conservative
851 test for threading across backedges.
853 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
854 control statement, handle all three special cases in the same
855 manner as they all have the same desired solution. No longer
856 special case edge flag updating when the post dominator is
859 2006-02-08 Roger Sayle <roger@eyesopen.com>
861 * tree.def (CHAR_TYPE): Remove.
862 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
863 * dwarf2out.c (base_type_die, is_base_type): Likewise.
864 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
865 (gen_string_type_die): Delete unreachable function.
867 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
868 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
869 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
870 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
871 * builtins.c (type_to_class): Likewise.
872 * fold-const.c (fold_convert, build_range_check,
873 merge_ranges): Likewise.
874 * expr.c (count_type_elements): Likewise.
875 * c-pretty-print.c (pp_c_type_specifier): Likewise.
876 * stor-layout.c (layout_type): Likewise.
877 * ipa-type-escape.c (type_to_consider): Likewise.
878 * gimplify.c (omp_firstprivatize_type_sizes,
879 gimplify_type_sizes): Likewise.
880 * explow.c (promote_mode): Likewise.
881 * tree-sra.c (is_sra_scalar_type): Likewise.
882 * varasm.c (output_constant): Likewise.
883 * tree-inline.c (remap_type_1): Likewise.
884 * convert.c (convert_to_pointer, convert_to_real,
885 convert_to_integer, convert_to_complex): Likewise.
887 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
889 * df-scan.c (df_def_record_1): A set destination may
890 be a parallel regardless of mode.
892 2006-02-08 Roger Sayle <roger@eyesopen.com>
895 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
896 * config/mips/_tilib.c: Remove.
897 * config/fixtfdi.c: New libgcc source file.
898 * config/fixunstfdi.c: New source file.
899 * config/floatditf.c: New source file.
900 * config/floatunditf.c: New souce file.
901 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
902 files above instead of config/mips/_tilib.c.
903 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
905 2006-02-08 Jeff Law <law@redhat.com>
907 PR tree-optimization/26169
908 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
911 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
913 * df.h (DF_REG_SIZE): Return the length of the initialized
916 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
918 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
919 __muldf3): Return a correctly signed zero.
921 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
923 * passes.c (register_one_dump_file): Accept the current properties
924 instead of pass number. Adjust call to dump_register. Remove
926 (register_dump_files): Now a wrapper around...
927 (register_dump_files_1): ... this one. Do not modify the pass
929 (next_pass_1): Cosmetic fix.
930 (execute_todo): Keep second parameter only. Use curr_properties
931 instead of fetching it from the pass structure. Check and set
933 (execute_one_pass): Handle TODO_set_props. Use curr_properties
934 instead of fetching it from the pass structure. Fix calls to
935 execute_todo. Update curr_properties and initialize .vcg RTL dump
936 after running the pass. Reset last_verified.
937 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
939 (FIRST_AUTO_NUMBERED_DUMP): New.
940 (dump_register): Remove "num" parameter, assign it within the
942 (get_dump_file_name): Modify template for dumps.
943 * tree-dump.h (dump_register): Adjust prototype.
944 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
945 (PROP_trees): Add PROP_gimple_lomp.
946 (TODO_set_props): New.
947 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
948 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
949 * cfgexpand.c (pass_expand): Destroy PROP_trees.
951 2006-02-08 Jakub Jelinek <jakub@redhat.com>
953 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
954 (sparc64-*-linux*): Likewise.
955 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
956 * config/sparc/t-linux: New file.
957 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
958 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
959 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
960 -m32 -mlong-double-128.
962 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
963 * config/alpha/t-linux: New file.
964 * config/alpha/libgcc-alpha-ldbl.ver: New file.
966 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
967 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
968 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
969 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
970 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
971 (CPP_ARCH32_SPEC): Remove.
973 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
975 PR tree-optimization/26145
976 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
979 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
982 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
983 >= 240000 when generating code for SOM runtime.
984 (output_indirect_call): Don't use "b,l" instruction for indirect calls
985 to $$dyncall when generating code for SOM runtime..
987 2006-02-07 Dirk Mueller <dmueller@suse.com>
990 * doc/invoke.texi (-Wsequence-point): Update documentation
991 that -Wsequence-point is implemented for C++ as well.
993 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
995 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
996 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
997 (LIB_SPEC): Likewise.
998 * doc/invoke.texi (SPARC options): Document -pthread.
1000 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1002 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1005 2006-02-07 Roger Sayle <roger@eyesopen.com>
1007 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1008 Correct comment describing BOOLEAN_TYPE.
1010 2006-02-07 Dirk Mueller <dmueller@suse.com>
1012 * c.opt: C++ frontend supports -Wdiv-by-zero.
1013 * c-opts.c (c_common_handle_option): Remove dead case.
1015 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1017 * configure.ac (TLS assembler check): Do not enable TLS by
1018 default on SPARC/Solaris before version 10.
1019 * configure: Regenerate.
1021 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1023 * doc/invoke.texi (xl-compat): Document conversion and support
1026 2006-02-07 Jeff Law <law@redhat.com>
1028 * tree-vrp.c (find_conditional_asserts): Update comments.
1029 (simplify_stmt_for_jump_threading): New.
1030 (identify_jump_threads, finalize_jump_threads): New.
1031 (vrp_finalize): Call identify_jump_threads.
1032 (execute_vrp): Call finalize_jump_threads.
1033 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1034 (vrp_element, vrp_data, vrp_element_p): Remove.
1035 (vrp_hash_elt, vrp_variables_stack): Remove.
1036 (vrp_hash, vrp_eq, record_range): Remove.
1037 (simplify_cond_and_lookup_avail_expr): Remove.
1038 (extract_range_from_cond): Remove.
1039 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1040 (simplify_stmt_for_jump_threading): New.
1041 (dom_thread_across_edge): New wrapper.
1042 (tree_ssa_dominator_optimize): No longer initialize or
1043 finalize any of the VRP datastructures. Remove iteration
1044 step and simplify as a result of removal of iteration step.
1045 (pass_dominator): Perform a cfg cleanup after DOM.
1046 (dom_opt_finalize_block): Use the new common routines
1047 for threading jumps. Simplify stack management slightly.
1048 No longer need to unwind VRP state.
1049 (record_equivalences_from_incoming_edge): No longer record
1051 (eliminate_redundant_computations): No longer call
1052 simplify_cond_and_lookup_avail_expr.
1053 * tree-flow.h (potentially_threadable_block): Prototype.
1054 (thread_across_edge): Likewise.
1055 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1056 (tree-ssa-threadedge.o): Add dependencies.
1057 * tree-ssa-threadedge.c: New file.
1058 * passes.c (init_optimization_passes): Merge PHIs before
1059 calling VRP. Run VRP again late in the SSA optimization pipeline.
1061 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1063 * df-core.c (df_set_blocks): Do not dereference function pointers.
1064 (df_finish1): Likewise.
1065 (df_hybrid_search_forward): Likewise.
1066 (df_hybrid_search_backward): Likewise.
1067 (df_iterative_dataflow): Likewise.
1068 (df_analyze_problem): Likewise.
1069 (df_compact_blocks): Likewise.
1070 (df_dump): Likewise.
1071 * df-scan.c (df_rescan_blocks): Likewise.
1072 (df_record_entry_block_defs): Likewise.
1074 * genconditions.c (write_conditions): Guard the definition of
1075 'insn_conditions' with the check on GCC version.
1076 (write_writer): Guard the traversal 'insn_conditions' with
1077 the check on GCC version.
1079 2006-02-07 Richard Guenther <rguenther@suse.de>
1083 2006-01-30 Richard Guenther <rguenther@suse.de>
1085 * gimplify.c (gimplify_target_expr): Handle easy cases
1086 without creating a temporary.
1088 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1090 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1091 use of float in probability computations. Use edge probabilities
1092 in place of statically computed probabilities.
1093 (min_spec_prob): New static variable.
1094 (schedule_insns): Initialize it.
1095 (GET_SRC_PROB): Removed.
1096 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1098 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1101 * config/ia64/unwind-ia64.c: Revert last change.
1102 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1103 (INCOMING_FRAME_SP_OFFSET): Define.
1105 2006-02-06 Roger Sayle <roger@eyesopen.com>
1107 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1109 2006-02-07 Ben Elliston <bje@au.ibm.com>
1111 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1112 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1113 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1114 (ix86_return_in_memory): Handle TDmode.
1115 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1116 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1118 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1120 * reorg.c (dbr_schedule): Use dump_file instead of file.
1122 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1125 * config/ia64/predicates.md (extr_len_operand): New predicate.
1126 * config/ia64/ia64.md (extv): Tighten constraints.
1128 (*tbit_and_2): Ditto.
1129 (*tbit_and_3): Ditto.
1130 (*tbit_or_2): Ditto.
1131 (*tbit_or_3): Ditto.
1135 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1138 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1140 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1142 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1143 loop_optimizer_init and loop_optimizer_finalize
1144 * tree-ssa-sink.c (execute_sink_code): Ditto.
1145 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1146 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1147 tree_ssa_loop_done): Ditto.
1148 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1149 * sched-ebb.c: Include output.h.
1150 (schedule_ebbs): Do not use dump argument.
1151 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1152 * loop.c (loop_dump_stream): Removed.
1153 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1155 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1156 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1157 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1158 loop_iterations, strength_reduce, record_biv, record_giv,
1159 final_giv_value, check_final_value, check_ext_dependent_givs,
1160 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1161 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1162 dump_file instead of loop_dump_stream.
1163 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1165 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1167 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1168 * haifa-sched.c: Include output.h
1169 (schedule_insns, sched_init): Do not use dump argument.
1170 * mode-switching.c (optimize_mode_switching): Ditto.
1171 * modulo-sched.c (stats_file): Removed.
1172 (print_node_sched_params): Do not call argument dump_file.
1173 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1174 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1176 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1178 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1179 rtl_loop_init, rtl_loop_done): Ditto.
1180 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1181 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1183 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1184 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1185 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1186 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1187 * emit-rtl.c (renumber_insns): Ditto.
1188 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1189 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1190 * regclass.c (regclass): Ditto.
1191 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1192 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1193 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1194 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1196 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1197 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1199 * gcse.c (gcse_file, debug_stderr): Removed.
1200 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1201 rest_of_handle_gcse): Do not use dump argument.
1202 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1203 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1204 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1205 compute_code_hoist_vbeinout, compute_code_hoist_data,
1206 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1207 compute_store_table, build_store_vectors, insert_insn_start_bb,
1208 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1209 store_motion): Use dump_file instead of gcse_file.
1210 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1211 * profile.c (profile_dump_file): Removed.
1212 (branch_prob): Use dump_file instead of profile_dump_file.
1213 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1215 * tree-ssa-copy.c (dump_copy_of): Ditto.
1216 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1217 dump file to life_analysis.
1218 * bt-load.c (branch_target_load_optimize): Ditto.
1219 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1221 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1222 regclass, dbr_schedule): Declaration changed.
1223 * sched-int.h (sched_init): Declaration changed.
1224 * tree-profile.c (tree_profile_dump_file): Removed.
1225 (tree_profile_hooks): Removed profile_dump_file hook.
1226 * rtl-profile (rtl_profile_dump_file): Removed.
1227 (rtl_profile_hooks): emoved profile_dump_file hook.
1228 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1230 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1231 * tree-cfg.c (build_tree_cfg): Ditto.
1232 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1233 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1234 Declaration changed.
1235 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1236 life_analysis and schedule_insns.
1237 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1239 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1241 * config/mips/mips.c (mips_reorg): Ditto.
1242 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1245 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1247 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1248 (s390_mangle_fundamental_type): New.
1249 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1252 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1253 (alpha_mangle_fundamental_type): New.
1254 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1257 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1259 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1261 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1262 (sparc_mangle_fundamental_type): New.
1264 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1266 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1267 (s390x-*-linux*): Likewise.
1268 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1269 * config/s390/t-linux: New file.
1271 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1273 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1274 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1276 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1278 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1279 (ANTIC_SAFE_LOADS): New macro.
1280 (find_or_generate_expression): Add prototype.
1281 (set_contains_value): Allow null set for sake of not always having
1282 to allocate ANTIC_SAFE_LOADS.
1283 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1284 Allow COMPONENT_REF too.
1285 (valid_in_set): Allow COMPONENT_REF.
1286 Check ANTIC_SAFE_LOADS too.
1287 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1288 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1290 (can_PRE_operation): Add COMPONENT_REF.
1291 (create_component_ref_by_pieces): New function.
1292 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1293 (insert_aux): Move AGGREGATE_TYPE_P check here.
1294 (compute_avail): Set bb local stmt uids.
1295 (pass_pre): Use TODO_update_ssa_only_virtuals.
1297 2006-02-06 Ben Elliston <bje@au.ibm.com>
1299 * configure.ac: Unconditionally disable decimal float by default.
1300 * configure: Regenerate.
1302 2006-02-06 Ben Elliston <bje@au.ibm.com>
1304 * read-rtl.c (read_name): Terminate reading on EOF.
1306 2006-02-06 Ben Elliston <bje@au.ibm.com>
1308 * dfp.c (decimal_real_arithmetic): Change second argument type
1309 from int to enum tree_code. Do not always return true, but now
1310 return result of any call to decimal_do helper functions.
1311 * dfp.h (decimal_real_arithmetic): Update prototype.
1313 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1315 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1317 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1320 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1323 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1325 * tree-vrp.c (cfg_loops): Removed.
1326 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1327 Use current_loops instead of cfg_loops. Pass flags to
1328 loop_optimizer_init.
1329 * cfgloopmanip.c (fix_loop_structure): Update only available
1331 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1332 loop_optimizer_init.
1333 * modulo-sched.c (build_loops_structure): Removed.
1334 (sms_schedule): Use loop_optimizer_init.
1335 * loop-init.c (loop_optimizer_init): Use flags to determine
1336 which properties of loops to prepare.
1337 (rtl_loop_init): Pass flags to loop_optimizer_init.
1338 * tree-ssa-sink.c (execute_sink_code): Ditto.
1339 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1340 * tree-ssa-pre.c (init_pre): Ditto.
1341 * cfgloop.h (LOOPS_NORMAL): New.
1342 (loop_optimizer_init): Declaration changed.
1344 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1346 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1347 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1349 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1351 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1353 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1354 * pa/t-pa64: Delete quadlib.c rule.
1355 * pa/x-ada: Revert last change.
1356 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1358 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1360 PR rtl-optimization/26087
1361 * rtlanal.c (canonicalize_condition): Do not cross basic block
1364 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1367 * config/ia64/ia64.c: Include debug.h.
1368 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1369 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1370 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1371 (process_epilogue, process_set, process_for_unwind_directive):
1372 Output unwind info only if requested. Add CFA info if requested.
1373 Add new arguments as needed. Adjust callers.
1374 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1376 (DWARF2_FRAME_INFO): Define to zero.
1377 * config/ia64/unwind-ia64.c: Remove code that compensated for
1378 the CFA offset error fixed above.
1379 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1380 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1381 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1382 -funwind-tables and -fexceptions to enable frame info.
1383 (dwarf2out_frame_init): Define initial CFA even if
1384 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1385 DWARF2_UNWIND_INFO is nonzero, not just defined.
1386 (dwarf2out_frame_finish): Output non-EH call frame info only
1387 if DWARF2_FRAME_INFO is nonzero.
1388 (convert_cfa_to_loc_list,
1389 compute_frame_pointer_to_cfa_displacement): Define even if
1390 unwind info is not supported.
1391 (gen_subprogram_die): Use the above unconditionally. Remove
1392 legacy alternate code.
1393 * toplev.c (compile_file): Compile in call to
1394 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1395 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1397 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1398 Jakub Jelinek <jakub@redhat.com>
1400 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1401 IBM extended float format long double as "g" on powerpc*-linux.
1403 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1406 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1407 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1409 2006-02-03 Jason Merrill <jason@redhat.com>
1412 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1415 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1416 on the return slot if it's an NRV.
1418 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1420 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1421 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1422 rewrite_use): Do not handle USE_OUTER.
1423 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1424 add_iv_outer_candidates, may_replace_final_value,
1425 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1426 (find_interesting_uses_op): Functionality of
1427 find_interesting_uses_outer_or_nonlin moved here.
1428 (find_interesting_uses_outside): Use find_interesting_uses_op.
1430 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1433 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1435 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1436 Ulrich Weigand <uweigand@de.ibm.com>
1439 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1440 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1441 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1442 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1444 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1445 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1446 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1447 Define secondary reloads for TFmode moves.
1448 (constant_modes): Add TFmode.
1449 (NR_C_MODES): Set to 8.
1450 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1452 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1453 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1454 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1455 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1456 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1457 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1458 (FPR mode macro): Add TFmode.
1459 (DSF mode macro): New.
1460 (<de>, <dee> mode attributes): Removed.
1461 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1462 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1463 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1464 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1465 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1466 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1467 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1468 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1469 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1470 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1471 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1472 "*negabs<mode>2", "sqrt<mode>2"):
1473 Changed <de> to <xde>. R constraint replaced by <Rf>.
1474 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1476 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1477 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1478 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1480 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1481 "extenddftf2", "extendsftf2"): New expanders.
1482 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1483 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1484 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1485 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1487 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1488 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1489 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1490 __floatditf): Add a GCC_4.1.0 symbol version tag.
1491 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1494 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1497 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1498 Use targetm.binds_local_p instead of TREE_PUBLIC.
1500 2006-02-02 Roger Sayle <roger@eyesopen.com>
1502 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1503 on INTEGER_TYPEs to indicate that it denotes a character type.
1504 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1505 signed_char_type_node, unsigned_char_type_node and char_type_node.
1506 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1507 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1508 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1510 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1511 Daniel Berlin <dberlin@dberlin.org>
1513 * tree-tailcall.c (arg_needs_copy_p): New function.
1514 (eliminate_tail_call): Use arg_needs_copy_p.
1515 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1516 (add_virtual_phis): New function.
1518 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1520 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1521 #ignore instead of #scratch for %g7 .register directive.
1523 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1525 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1528 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1530 * flow.c (calculate_global_regs_live): Assert that there aren't any
1533 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1535 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1537 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1538 bsi_after_labels iterator.
1539 * tree-if-conv.c (find_phi_replacement_condition,
1540 replace_phi_with_cond_modify_expr): Likewise.
1541 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1542 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1544 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1546 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1548 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1551 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1552 array after growing it.
1554 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1557 * fold-const.c (fold_checksum_tree): Change type of buf.
1559 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1561 * reload.c (push_secondary_reload): Initialize t_icode.
1563 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1565 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1566 -msoft-float -mlong-double-128 only issue a warning, but don't
1567 swich to DFmode long double.
1569 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1571 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1572 has a constant equivalent, iterate over equivalents for arg0,
1573 calling simplify_relational_operation and if there's a result
1574 cheaper than X, apply fold_rtx and return the result.
1576 2006-02-01 Jan Hubicka <jh@suse.cz>
1578 * opts.c (no_unit_at_a_time_default): New global variable.
1579 (decode_options): Use it.
1580 * opts.h (no_unit_at_a_time_default): Declare.
1582 2006-02-01 Paul Brook <paul@codesourcery.com>
1584 * function.c (assign_parm_setup_reg): Use function argument promotion
1586 * expr.c (expand_expr_real_1): Use function argument promotion rules
1589 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1591 * gcc.c (process_command): Change j to 'unsigned int'.
1593 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1596 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1597 Use the corrected index for the character
1598 out of the string constant.
1600 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1602 * mode-switching.c (optimize_mode_switching): Fix size
1603 allocated for bb_info[n_entities].
1605 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1607 * gcc.c (main): Correct type that is allocated for
1608 explicit_link_files.
1610 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1612 * config/s390/s390.c (init_alignment_context): Set
1613 ALIAS_SET_MEMORY_BARRIER on the MEM.
1614 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1616 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1619 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1621 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1624 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1626 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1627 * regrename.c: Ditto.
1628 * tree-ssa-loop-im.c: Ditto.
1629 * tree-dump.c: Ditto.
1630 * tree-complex.c: Ditto.
1631 * genrecog.c: Ditto.
1632 * tree-ssa-threadupdate.c: Ditto.
1634 * java/class.c: Ditto.
1635 * java/jcf-parse.c: Ditto.
1636 * java/resource.c: Ditto.
1637 * java/except.c: Ditto.
1638 * java/jvspec.c: Ditto.
1639 * java/jcf-write.c: Ditto.
1640 * java/jcf-path.c: Ditto.
1641 * java/gjavah.c: Ditto.
1642 * java/zextract.c: Ditto.
1643 * java/jcf-io.c: Ditto.
1644 * java/jcf.h: Ditto.
1645 * java/buffer.c: Ditto.
1646 * java/lang.c: Ditto.
1647 * java/parse-scan.y: Ditto.
1648 * java/lex.c: Ditto.
1649 * java/lex.h: Ditto.
1650 * cfgloopmanip.c: Ditto.
1651 * postreload-gcse.c: Ditto.
1652 * tree-ssa-loop-manip.c: Ditto.
1653 * postreload.c: Ditto.
1654 * tree-ssa-loop-ch.c: Ditto.
1658 * diagnostic.c: Ditto.
1660 * genoutput.c: Ditto.
1662 * cfghooks.c: Ditto.
1663 * cfgloopanal.c: Ditto.
1664 * objc/objc-act.c: Ditto.
1666 * genextract.c: Ditto.
1667 * genautomata.c: Ditto.
1668 * pretty-print.c: Ditto.
1670 * cgraphunit.c: Ditto.
1673 * haifa-sched.c: Ditto.
1674 * dominance.c: Ditto.
1676 * tree-ssa-loop-ivopts.c: Ditto.
1678 * mode-switching.c: Ditto.
1679 * modulo-sched.c: Ditto.
1681 * ipa-pure-const.c: Ditto.
1683 * fix-header.c: Ditto.
1685 * tree-stdarg.c: Ditto.
1686 * ipa-utils.c: Ditto.
1687 * loop-init.c: Ditto.
1688 * ipa-inline.c: Ditto.
1691 * alloc-pool.c: Ditto.
1692 * dwarf2out.c: Ditto.
1694 * genattrtab.c: Ditto.
1695 * tree-ssa-loop-ivcanon.c: Ditto.
1699 * fortran/gfortranspec.c: Ditto.
1701 * local-alloc.c: Ditto.
1702 * langhooks.c: Ditto.
1703 * function.c: Ditto.
1704 * tree-vectorizer.c: Ditto.
1706 * ipa-type-escape.c: Ditto.
1708 * tree-if-conv.c: Ditto.
1711 * tree-data-ref.c: Ditto.
1712 * loop-unroll.c: Ditto.
1713 * treelang/treetree.c: Ditto.
1716 * ggc-common.c: Ditto.
1718 * coverage.c: Ditto.
1720 * tree-cfgcleanup.c: Ditto.
1721 * tree-ssa-pre.c: Ditto.
1722 * cfgcleanup.c: Ditto.
1723 * loop-invariant.c: Ditto.
1725 * ipa-prop.c: Ditto.
1726 * print-tree.c: Ditto.
1727 * conflict.c: Ditto.
1728 * ggc-page.c: Ditto.
1729 * sched-deps.c: Ditto.
1730 * regclass.c: Ditto.
1731 * tree-object-size.c: Ditto.
1733 * bb-reorder.c: Ditto.
1734 * resource.c: Ditto.
1735 * var-tracking.c: Ditto.
1737 * df-problems.c: Ditto.
1738 * reg-stack.c: Ditto.
1741 * sched-rgn.c: Ditto.
1742 * tree-ssa-structalias.c: Ditto.
1743 * tree-ssa-reassoc.c: Ditto.
1744 * config/darwin-c.c: Ditto.
1745 * config/darwin.c: Ditto.
1746 * config/arm/arm.c: Ditto.
1748 * collect2.c: Ditto.
1751 2006-01-31 Nicolas Pitre <nico@cam.org>
1753 * arm.md (smaxsi3): Make aware of smax_m1.
1756 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1758 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1760 2006-01-31 Richard Guenther <rguenther@suse.de>
1762 * doc/invoke.texi (-msselibm): Document.
1763 * target.h (expand_library_builtin): New target hook.
1764 * builtins.c (expand_builtin): Use expand_library_builtin.
1765 (default_expand_library_builtin): New function.
1766 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1767 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1768 (link_gcc_math_spec): Declare.
1769 (static_specs): Add link_gcc_math_spec.
1770 * expr.h (default_expand_library_builtin): Declare.
1771 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1772 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1773 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1774 * config/i386/i386.opt (msselibm): New target option.
1775 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1776 (ix86_init_sse_abi_builtins): New function.
1777 (ix86_expand_library_builtin): Likewise.
1778 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1779 (override_options): Handle error conditions wrt -msselibm.
1780 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1781 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1782 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1785 2006-01-31 Richard Guenther <rguenther@suse.de>
1786 Paolo Bonzini <bonzini@gnu.org>
1788 * doc/install.texi (--disable-libgcc-math): Document.
1790 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1792 * expr.h (expand_normal): new inline function.
1793 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1795 * dwarf2out.c: use it.
1800 * config/sparc/sparc.c: use it.
1801 * config/i386/i386.c: use it.
1802 * config/rs6000/rs6000.c: use it.
1803 * config/arm/arm.c: use it.
1804 * config/mips/mips.c: use it.
1805 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1807 2006-01-30 Roger Sayle <roger@eyesopen.com>
1809 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1810 argv to the appropriate type.
1812 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1814 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1817 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1820 * config/s390/s390.c (struct machine_function): New flag
1821 decomposed_literal_pool_addresses_ok_p.
1822 (s390_reorg): Set it before final stage of literal pool transforms.
1823 (s390_decompose_address): Only accept displacements of the form
1824 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1826 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1828 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1829 the comparison routine return.
1831 2006-01-30 Michael Matz <matz@suse.de>
1833 * global.c (find_reg): Only evict for global regs.
1834 Take n_refs into account and dump more info.
1836 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1839 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1840 (pragma_trap, pragma_nosave_low_regs): Likewise.
1841 (current_function_anonymous_args): Likewise.
1842 (sh_deferred_function_attributes): New variable.
1843 (sh_deferred_function_attributes_tail): Likewise.
1844 (print_operand): For '@', look up trap_exit attribute.
1845 (calc_live_regs): Look up trapa_handler attribute. For trapa
1846 handlers, save/restore fpscr, but don't do any other
1847 interrupt-specific saves.
1848 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1849 Fix check for partially saved registers to check for SHmedia.
1850 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1851 (sh_output_function_epilogue): Don't clear any of the removed
1853 (sh_insert_attributes): Don't check pragma_interrupt.
1854 Insert deferred attributes. Check that interrupt attribute is
1855 present for other attributes that require its presence.
1856 (sh_attribute_table): Add new attributes trapa_handler and
1858 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1859 Don't check for pragma_interrupt. Don't store argument.
1860 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1861 (sh_deferred_function_attributes): Declare.
1862 (sh_deferred_function_attributes_tail): Likewise.
1863 * sh.md (sp_switch_1): Add operand. Change generator caller.
1864 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1865 (*return_i): Don't use when trap_exit attribute is in effect.
1866 (*return_trapa): New insn pattern.
1868 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1869 setting c_target_objs and cxx_target_objs.
1870 * t-sh: Add rule for sh-c.o.
1872 2006-01-30 Richard Guenther <rguenther@suse.de>
1875 * gimplify.c (gimplify_target_expr): Handle easy cases
1876 without creating a temporary.
1878 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1880 * vec.h (safe_grow): Remove duplicated line.
1882 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1885 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1886 (expand_omp): ... here.
1887 (expand_omp_parallel): Only remove barriers for combined
1888 parallel+workshare constructs.
1890 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1894 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1895 * tree.c (build_qualified_type): Chain the new type to the original
1896 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1897 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1898 (build_pointer_type_for_mode): Only return unqualified types.
1899 (build_reference_type_for_mode): Likewise.
1901 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1903 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1904 * Makefile.in (CXX_COMPAT_WARN): Define.
1905 * configure: Regenerate.
1907 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1910 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1913 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1915 * toplev.c: Fix thinko.
1917 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1918 Marcin Dalecki <martin@dalecki.de>
1920 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1921 (push_srcloc): Use XNEW.
1922 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1924 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1926 * df-core.c (df_set_blocks): Deleted all variable.
1928 2006-01-28 Ian Lance Taylor <ian@airs.com>
1930 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1931 cgraph_output_pending_asms.
1933 2006-01-28 Zack Weinberg <zackw@panix.com>
1935 * c.opt: Add -W(no-)overlength-strings.
1936 * doc/invoke.texi: Document it.
1937 * c-opts.c (c_common_handle_option): -pedantic implies
1938 -Woverlength-strings, if not explicitly disabled already.
1939 (c_common_post_options): -Woverlength-strings defaults to off, and
1940 is always off for C++.
1941 * c-common.c (fix_string_type): Issue warning about strings longer
1942 than is portable only if warn_overlength_strings. Rearrange code
1943 a little for clarity.
1944 * configure.in: Check for -Wno-overlength-strings as well before
1945 enabling -pedantic in stage 1.
1946 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1947 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1949 * genconditions.c (write_header, write_one_condition)
1950 (write_conditions, write_writer): Consolidate very long strings
1951 that were broken up to fit in C89 portable limit. Don't use
1952 printf when fputs will do.
1954 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1956 * combine.c (simplify_comparison <AND>): Check
1957 TRULY_NOOP_TRUNCATION before start using a subreg.
1959 * config/mips/mips.md (*branch_zero<mode>,
1960 *branch_zero<mode>_inverted, *branch_equality<mode>,
1961 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1962 Remove mode check from comparisons.
1964 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1966 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1968 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1970 * expmed.c (const_mult_add_overflow_p): Remove.
1971 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1973 * recog.c (validate_replace_rtx_subexp): Remove.
1974 * recog.h: Remove the prototype for
1975 validate_replace_rtx_subexp.
1977 * integrate.h: Remove the prototype for
1978 copy_decl_for_inlining.
1979 * rtl.h: Remove the prototype for mark_constant_function.
1980 * tree-vectorizer.h: Remove the prototype for
1981 vect_strip_conversion.
1983 * modulo-sched.c (create_partial_schedule,
1984 free_partial_schedule, reset_partial_schedule): Make them
1987 * hooks.c (hook_bool_rtx_int_false): Remove.
1988 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1990 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1992 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1993 and -mlong-double-128 are incompatible.
1994 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1995 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1996 (TARGET_LIBGCC2_CFLAGS): Define.
1997 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1998 (TARGET_LIBGCC2_CFLAGS): Same.
1999 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2001 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2004 * c-typeck.c (build_binary_op): Perform implicit casts of
2005 operands before shortening them.
2007 * cfgloopmanip.c (split_loop_bb): Remove.
2008 * cfgloop.h: Remove the prototype for split_loop_bb.
2010 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2011 * cfgloop.h: Remove the prototype for
2012 flow_loop_outside_edge_p.
2014 * emit-rtl.c (init_virtual_regs): Make it static.
2015 * function.h: Remove the prototype for init_virtual_regs.
2017 * recog.c (peephole2_optimize): Make it static.
2018 * recog.h: Remove the prototype for peephole2_optimize.
2020 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2022 * df-scan.c (df_record_entry_block_defs): Check if
2023 INCOMING_RETURN_ADDR_RTX is defined.
2025 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2026 Kenneth Zadeck <zadeck@naturalbridge.com>
2028 PR rtl-optimization/24762
2029 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2030 * targhooks.c (hook_void_bitmap): New hook prototype.
2031 * targhoohs.h (hook_void_bitmap): Ditto.
2032 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2033 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2034 * target.h (live_on_entry): New function pointer.
2035 * df-scan.c (df_all_hard_regs): Removed.
2036 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2037 (df_scan_free_internal): Added df->entry_block_defs.
2038 (df_scan_alloc): Ditto.
2039 (df_scan_dump): Ditto.
2040 (df_uses_record): Plumbed flag field properly thru calls.
2041 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2042 This part fixes PR24762.
2043 (df_bb_refs_record): Added code to make the frame and arg
2044 pointers live in EH blocks.
2045 (df_refs_record): Added call to df_record_entry_block_defs.
2046 (df_record_entry_block_defs): New function.
2047 * df-core.c: Added comments to describe new artifical defs.
2048 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2049 (entry_block_defs): New field in struct df.
2050 (df_all_hard_regs): Deleted.
2051 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2052 * df-problems.c (df_ru_bb_local_compute_process_def):
2053 Added code to handle artifical defs in the entry to a function.
2054 (df_ru_bb_local_compute): Ditto.
2055 (df_rd_bb_local_compute_process_def): Ditto.
2056 (df_rd_bb_local_compute): Ditto.
2057 (df_lr_bb_local_compute): Ditto.
2058 (df_ur_bb_local_compute): Ditto.
2059 (df_urec_bb_local_compute): Ditto.
2060 (df_chain_create_bb): Ditto.
2061 (df_ur_local_finalize): Removed entry.
2062 (df_urec_init): Ditto.
2063 (df_urec_local_finalize): Ditto.
2064 (df_ri_bb_compute): Added detection of last use of pseudos.
2065 * Makefile.in (df-scan.o): Updated dependencies.
2066 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2067 * config/mips/mips.c (mips_set_live_on_entry): Added.
2068 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2070 * dce.c (marked_insn_p): Added code to handle artifical defs.
2072 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2074 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2076 (_mm_cvtsi128_si64): Likewise.
2077 (_mm_cvtsd_si64): Likewise.
2078 (_mm_cvttsd_si64): Likewise.
2079 (_mm_cvtsi64_sd): Likewise.
2080 (_mm_cvtsi64_si128): Likewise.
2081 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2082 (_mm_cvtsi64_m64): Likewise.
2083 (_m_to_int64): Likewise.
2084 (_mm_cvtm64_si64): Likewise.
2085 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2086 (_mm_cvttss_si64): Likewise.
2087 (_mm_cvtsi64_ss): Likewise.
2088 (_mm_cvtss_f32): Likewise.
2090 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2092 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2093 for pragma redefine_extname.
2095 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2098 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2099 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2100 -mno-minimal-toc to previous content.
2101 (bispecs): Remove goal.
2102 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2103 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2104 compatibility aliases on powerpc-*-*gnu*.
2105 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2106 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2107 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2108 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2109 (ldblspecs): New goal.
2110 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2111 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2113 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2114 L_sf_to_tf or L_df_to_tf is defined.
2116 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2117 Alan Modra <amodra@bigpond.net.au>
2120 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2121 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2122 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2123 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2124 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2125 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2126 (rs6000_override_options): Initialize rs6000_ieeequad.
2127 Initialize TFmode format to ibm_extended_format if not
2129 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2131 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2132 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2133 (function_arg_advance): IBM long double passed in two FPRs, not
2135 (function_arg): IBM long double passed in FPRs.
2136 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2137 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2138 Only multireg GPR aligned.
2139 (rs6000_init_libfuncs): Enable IBM long double functions if not
2141 (rs6000_generate_compare): Use IBM long double compare if not
2143 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2144 (TARGET_IEEEQUAD): Define.
2145 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2146 not TARGET_IEEEQUAD.
2147 * config/rs6000/rs6000.md: Enable TFmode patterns if
2149 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2150 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2151 and -mlong-double-128 are incompatible.
2152 * doc/invoke.texi (-mabi): Collect options together. Add
2153 ibmlongdouble and ieeelongdouble.
2155 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2157 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2159 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2160 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2161 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2162 * rtl.h (rtunion_def): Remove rt_ptr.
2164 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2165 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2166 * config/i386/winnt.c (i386_pe_mark_dllexport)
2167 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2169 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2171 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2173 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2177 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2178 pthread_key_delete. From John David Anglin. gthrw-ify
2179 pthread_getunique_np only if it it's not a macro. Delete
2181 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2182 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2183 __gthread_objc_condition_signal, __gthread_key_delete): Add
2184 "__attribute__ ((__unused__))" to unused arguments.
2185 (__gthread_recursive_mutex_init_function): Add missing return.
2186 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2187 gthr-posix95.h: Use macro-based approach for name redirection
2188 on targets missing weakref.
2190 2006-01-26 Zack Weinberg <zackw@panix.com>
2192 * genconditions.c (write_header): In generated code, #ifdef out
2193 all includes and fake declarations, except includes of bconfig.h
2194 and system.h, unless GCC_VERSION >= 3001. Do not include
2195 gensupport.h in any case.
2196 (write_conditions): Generate a definition of struct c_test. Add
2197 a comment to the generated #endif.
2198 (write_one_condition): Escape backslashes in string too.
2199 (write_writer): Generated code must escape backslashes and quote
2200 marks (but not newlines) in the strings it writes.
2201 * Makefile.in (build/gencondmd.o): Update dependencies.
2203 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2206 * Makefile.in (insn-automata.o): Add header file dependencies.
2207 * genautomata.c: Add includes.
2209 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2212 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2214 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2216 * configure.ac: Expect target tools paths to be passed from the toplevel
2217 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2219 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2221 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2224 * c.opt (Wpointer-sign): Init to -1.
2225 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2226 OPT_pedantic, to 0 otherwise.
2227 * doc/invoke.texi: Update.
2229 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2231 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2232 constants provided by 80387 instructions in the destination mode.
2234 2006-01-26 Richard Guenther <rguenther@suse.de>
2235 Andrew Pinski <pinskia@physics.uc.edu>
2238 partial PR tree-opt/17064
2239 * tree-ssa-structalias.c (intra_create_variable_infos):
2240 Create heap variables for incoming parameters if
2241 flag_argument_noalias > 1.
2242 (find_what_p_points_to): Look through default defs of
2245 2006-01-26 Jeff Law <law@redhat.com>
2248 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2249 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2250 within the VR_RANGE, use the VR_RANGE as the result, not the
2252 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2253 bounds for the type.
2255 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2257 * tree-ssa-alias.c (maybe_create_global_var): Change
2258 subvar walking to an assertion that we don't have subvar'd variables.
2260 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2263 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2264 Use a new variable, inner. PARM_DECLs are always non-weak.
2266 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2268 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2271 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2273 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2275 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2277 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2278 (smax_insn, smin_insn, smax_0, smin_0): New.
2280 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2283 * config/cris/cris.c (cris_order_for_addsi3): New function.
2284 * config/cris/cris-protos.h: Prototype it.
2285 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2286 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2287 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2288 (split for "op.S1 [rx=rx+i],ry (swapped)")
2289 (split for "op(s|u).S1 [rx=rx+i],ry")
2290 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2291 Apply cris_order_for_addsi3 when generating addsi3 insns.
2293 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2295 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2296 (TREE_BLOCK): Add call to EXPR_CHECK.
2298 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2301 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2302 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2303 (dump_omp_clauses): ... here.
2304 (dump_generic_node): Handle OMP_CLAUSE.
2305 * tree.c (omp_clause_num_ops): New.
2306 (omp_clause_code_name): New.
2307 (tree_code_size): Handle OMP_CLAUSE.
2308 (tree_size): Likewise.
2309 (make_node): Document handling of OMP_CLAUSE.
2310 (tree_node_structure): Handle OMP_CLAUSE.
2311 (omp_clause_check_failed): New.
2312 (omp_clause_range_check_failed): New.
2313 (omp_clause_operand_check_failed): New.
2314 (build_omp_clause): New.
2315 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2316 * tree.h (enum omp_clause_code): Declare.
2317 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2318 (OMP_CLAUSE_RANGE_CHECK): Define.
2319 (OMP_CLAUSE_ELT_CHECK): Define.
2320 (omp_clause_check_failed): Declare.
2321 (omp_clause_operand_check_failed): Declare.
2322 (omp_clause_range_check_failed): Declare.
2323 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2324 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2325 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2326 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2327 (OMP_CLAUSE_IF_EXPR): Likewise.
2328 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2329 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2330 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2331 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2332 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2333 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2334 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2335 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2336 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2337 (OMP_CLAUSE_CODE): Define.
2338 (OMP_CLAUSE_SET_CODE): Define.
2339 (OMP_CLAUSE_CODE): Define.
2340 (OMP_CLAUSE_OPERAND): Define.
2341 (struct tree_omp_clause): Declare.
2342 (union tree_node): Add field 'omp_clause'.
2343 * treestruct.def (TS_OMP_CLAUSE): Define.
2344 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2345 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2346 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2347 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2348 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2349 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2350 (OMP_CLAUSE): Define.
2351 * print-tree.c (print_node): Handle OMP_CLAUSE.
2352 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2353 * c-typeck.c: Likewise.
2354 * gimplify.c: Likewise.
2355 * c-omp.c: Likewise.
2356 * tree-nested.c: Likewise.
2357 * tree-inline.c: Likewise.
2358 * c-parser.c: Likewise.
2359 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2362 2006-01-25 Roger Sayle <roger@eyesopen.com>
2364 PR rtl-optimization/25703
2365 * combine.c (try_combine): Handle zero_extract and strict_low_part
2366 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2368 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2370 * global.c: Fix comment typos.
2372 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2375 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2376 Use output_addr_const instead of assemble_name.
2378 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2380 * Makefile.in (sched-vis.o): Update dependencies.
2381 * haifa-sched.c (sched_finish): Clear current_sched_info.
2382 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2383 (dump_flow_info): Call it.
2384 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2386 * basic-block.h (dump_bb_info): Declare.
2387 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2388 option, and apply options only for dump files whose TDF_RTL,
2389 TDF_TREE, or TDF_IPA bits match.
2390 * rtl.h: Declare new functions exported from sched-vis.c.
2391 * sched-vis.c: Enable also if scheduling is not used.
2392 (print_value): Print the mode of registers if not inside scheduling.
2393 (print_insn): Make it work outside the scheduler. Beautify the output
2395 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2397 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2399 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2400 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2401 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2402 depending on the value of CONSTANT_POOL_ADDRESS_P.
2403 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2405 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2406 rather than SYMBOL_REF_DECL.
2407 (rtx_constant_pool): Remove const_rtx_sym_htab.
2408 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2409 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2410 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2411 Remove handling of const_rtx_sym_htab.
2412 (find_pool_constant): Delete.
2413 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2414 rather than find_pool_constant.
2415 (get_pool_constant_for_function): Delete.
2416 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2418 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2419 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2420 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2421 (SYMBOL_REF_CONSTANT): New macro.
2422 (get_pool_constant_for_function): Delete.
2423 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2424 rather than SYMBOL_REF_DECL.
2425 (i386_pe_mark_dllimport): Likewise.
2426 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2427 rather than SYMBOL_REF_DECL.
2428 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2429 (machopic_indirect_call_target): Likewise.
2431 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2433 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2435 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2437 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2439 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2441 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2443 2006-01-24 David Daney <ddaney@avtrex.com>
2446 * configure.ac (enable_tls): New enable option.
2447 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2448 * configure: Regenerate.
2449 * doc/install.texi (--enable-tls): Document new option.
2450 (--disable-tls): Ditto.
2452 2006-01-24 Richard Henderson <rth@redehat.com>
2454 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2455 * alias.c (true_dependence): Respect it.
2456 (canon_true_dependence, write_dependence_p): Likewise.
2457 * builtins.c (get_builtin_sync_mem): Set it.
2459 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2461 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2464 2006-01-24 DJ Delorie <dj@redhat.com>
2466 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2467 for storing constants in single-bit bitfields.
2469 2006-01-25 Ben Elliston <bje@au.ibm.com>
2471 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2473 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2476 * tree-ssa-pre.c (phi_translate): Return NULL
2477 for AGGREGATE_TYPE's.
2479 2006-01-24 Zack Weinberg <zackw@panix.com>
2481 * genautomata.c (process_state_for_insn_equiv_partition):
2482 Use xcalloc for insn_arcs_array.
2483 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2484 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2486 2006-01-24 Richard Henderson <rth@redhat.com>
2488 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2491 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2493 PR rtl-optimization/25890
2494 PR rtl-optimization/25905
2495 * combine.c (expand_compound_operation, expand_field_assignment):
2496 Fail if the bitfield's final position is out of bounds.
2498 2006-01-24 Ian Lance Taylor <ian@airs.com>
2501 * cgraphunit.c (cgraph_output_in_order): Don't clear
2502 cgraph_asm_nodes until after asm strings have been output.
2504 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2506 * fix-header.c (read_scan_file): Add new parameter imultilib when
2507 calling register_include_chains.
2509 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2511 * omp-low.c: Update documentation.
2513 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2514 Daniel Berlin <dberlin@dberlin.org>
2518 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2519 return from the function.
2521 2006-01-22 Zack Weinberg <zackw@panix.com>
2523 * rtl.def (match_code): Add second argument.
2524 * genpreds.c (write_extract_subexp): New function.
2525 (write_match_code): Add path argument. Use write_extract_subexp.
2526 (write_predicate_expr): Pass path to write_match_code.
2527 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2528 not perform a mode test.
2529 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2530 a subexpression does not constrain the top-level code set.
2531 * read-rtl.c (read_rtx_variadic): New function.
2532 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2533 * doc/md.texi: Document new notation.
2534 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2535 (cmpsi_operand): ... here, using new notation.
2537 2006-01-22 Zack Weinberg <zackw@panix.com>
2539 * varray.c: Remove GENERATOR_FILE #ifdefs.
2541 2006-01-22 Zack Weinberg <zackw@panix.com>
2543 * genautomata.c (output_reserved_units_table): Emit nothing if
2544 description->query_units_num is zero. Remove extra blank line.
2545 (output_cpu_unit_reservation_p): Short circuit
2546 if description->query_units_num is zero.
2548 2006-01-22 Zack Weinberg <zackw@panix.com>
2550 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2551 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2552 nor any of the random handful of variables that used to be necessary
2553 when this program was linked with rtlanal.o. Prune set of forward
2554 function declarations.
2555 (struct attr_desc): Remove static_p field.
2556 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2557 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2558 (attr_string): Do not read the character one past the length of
2560 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2561 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2562 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2563 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2564 (make_automaton_attrs): New.
2565 (main): Do not call into genautomata. Call local gen_bypass
2566 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2567 Remove special case for insn_alts.
2568 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2569 varray.h (leftover from previous change). Prune set of forward
2570 function declarations. Remove state_alts fields from all
2571 structures. Remove state_alts_table from struct automaton.
2572 Make everything except main static. Do not maintain num_dfa_decls.
2573 Do not maintain state_alts fields of various structures.
2574 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2575 (add_arc): Remove state_alts argument. All callers updated.
2576 (output_reserved_units_table): Emit #ifdef here...
2577 (output_tables): ...not here. Don't generate state_alts tables.
2578 (expand_automata): Don't generate attributes.
2579 (write_automata): Don't generate state_alts functions.
2580 (main): New function.
2581 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2582 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2583 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2584 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2585 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2586 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2587 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2588 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2590 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2591 * genattrtab.h: Delete file.
2592 * Makefile.in (OBJS-common): Add insn-automata.o.
2593 (insn-automata.o): New rule.
2594 (simple_generated_c): Add insn-automata.c.
2595 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2596 (genprogmd): Add automata.
2597 (build/genattrtab): Needs no extra objects nor libraries.
2598 (build/genautomata): Needs build/vec.o and -lm.
2600 2006-01-22 Zack Weinberg <zackw@panix.com>
2602 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2603 (output_dfa_max_issue_rate, locked_states_num): Delete.
2604 (struct automaton): Add locked_states field.
2605 (output_dead_lock_vect): Save number of locked states in
2606 automaton->locked_states. If it is zero, don't print anything.
2607 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2608 (output_internal_dead_lock_func): Only test the dead_lock_vect
2609 for automata that have locked states.
2610 (output_statistics): Always print the number of locked states for
2611 each automaton. Calculate total number of locked states here.
2612 (write_automata): Don't call output_dfa_max_issue_rate.
2613 * genattrtab.c: Define length_unit_log as a const variable.
2614 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2615 max_insn_queue_index const.
2616 * final.c (length_unit_log): Declare const.
2617 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2619 2006-01-22 Zack Weinberg <zackw@panix.com>
2621 * genautomata.c: Include vec.h, not varray.h.
2622 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2623 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2624 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2625 VEC_* macros operating on appropriately typed vectors, or to
2626 malloced arrays when the size is known in advance. Const-ify
2627 many char* variables and function arguments. No functional changes.
2628 * Makefile.in (build/varray.o): Delete rule.
2629 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2630 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2632 2006-01-22 Zack Weinberg <zackw@panix.com>
2634 * gensupport.c: Define get_insn_name and record_insn_name here.
2635 (read_md_rtx): Call record_insn_name as appropriate.
2636 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2637 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2638 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2640 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2641 (BUILD_VARRAY): Delete.
2642 (genprognormal): Rename genprogmd. Fold in all programs from
2643 genprognoprint; also attrtab.
2644 (build/genattrtab): Just mention genautomata.o and varray.o.
2645 Reorganize a bit, add comments to make the categories clearer.
2647 2006-01-22 Zack Weinberg <zackw@panix.com>
2649 * genconditions.c (condition_table, add_condition): Delete.
2650 (write_conditions): Don't emit n_insn_conditions nor
2651 insn_elision_unavailable. Issue the gcc version #ifdef here,
2652 inside the table, with no #else clause ...
2653 (write_header): ...not here.
2654 (write_writer): New function.
2655 (main): Don't initialize condition_table. Use add_c_test.
2657 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2658 files on the command line.
2659 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2660 Return -1 if there is no entry in the table, don't abort.
2661 (add_c_test, traverse_c_tests): New functions.
2662 * gensupport.h (insn_elision_unavailable, insn_conditions)
2663 (n_insn_conditions): Delete declarations.
2664 (add_c_test, traverse_c_tests): Declare.
2665 * read-rtl.c: Include gensupport.h.
2666 (read_conditions): New function.
2667 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2668 (read_rtx_1): If we get EOF when we were looking for an initial
2669 open paren, return 0. Call read_conditions when appropriate.
2670 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2671 dummy-conditions.o. Eliminate references to insn-conditions.o,
2672 or change them to build/gencondmd.o, as appropriate. Remove
2673 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2674 from $(simple_generated_c). For all files remaining in those
2675 two lists, add insn-conditions.md to the generator command line.
2676 Give insn-constants.h/s-constants their own rules. Add rules
2677 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2678 (build/read-rtl.o): Depend on gensupport.h.
2679 (genprognormal): Include preds.
2680 (genprogearly): Rename genprognoprint; only difference is now that
2681 they don't link with $(BUILD_PRINT).
2682 * dummy-conditions.c: Delete.
2684 2006-01-22 Zack Weinberg <zackw@panix.com>
2686 * genextract.c: Don't include insn-config.h. Do include vec.h.
2687 Declare vectors of int, char, and locstr.
2688 (locstr): New typedef.
2689 (struct extraction): Make all array fields into bare pointers.
2690 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2691 (insn_code_number): Delete.
2692 (accum_extract): New struct.
2693 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2694 (gen_insn): Take insn_code_number as an argument. Use an
2695 accum_extract structure instead of loading data directly into
2696 a struct extraction, and having to know how big it might get.
2697 (walk_rtx): Operate entirely on an accum_extract structure.
2698 (print_path): Avoid unnecessary use of printf.
2699 (print_header): New function, split out of main. Distinguish
2700 more carefully between an unrecognizable insn and an insn that
2701 has the code number of a define_expand.
2702 (main): Pass insn_code_number to gen_insn. Call print_header
2703 only after parsing. Avoid unnecessary use of printf.
2704 * Makefile.in (build/vec.o): New rule.
2705 (build/genextract): Depend on build/vec.o.
2706 (build/genextract.o): Don't depend on insn-config.h.
2708 2006-01-22 Zack Weinberg <zackw@panix.com>
2710 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2711 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2712 practical. Eliminate per-generator-program link rules.
2714 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2717 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2718 with a call expr to ...
2719 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2721 2006-01-23 Richard Guenther <rguenther@suse.de>
2723 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2724 before make_edge with conditional EDGE_TRUE_VALUE.
2726 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2727 Jan Hubicka <jh@suse.cz>
2728 Richard Guenther <rguenther@suse.de>
2730 PR rtl-optimization/25654
2731 * cfgexpand.c (aggregate_contains_union_type): New function.
2732 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2733 for structure variables that contain a union type.
2735 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2737 * gengtype.c (new_structure): Return the structure.
2738 (create_option): Add an extra "next" argument.
2739 (create_field): New function.
2740 (adjust_field_rtx_def): Use create_option and create_field.
2741 Remove a now-unnecessary call to find_structure.
2742 (adjust_field_tree_def): Likewise.
2743 (note_yacc_type): Remove an unnecessary call to find_structure.
2744 * gengtype.h (new_structure): Return the structure.
2745 (create_option): Add an extra argument.
2746 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2747 (option): Adjust calls to create_option.
2749 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2751 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2753 2006-01-22 Paul Brook <paul@codesourcery.com>
2754 Peter Barada <peter@the-baradas.com>
2756 * config/m68k/m68k.md: Add Coldfire FPU support.
2757 Define FP mode macro and associated attributes.
2758 Use it for float mode patterns.
2759 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2760 (LIBCALL_VALUE): Use m68k_libcall_value.
2761 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2762 (m68k_function_value): Ditto.
2763 (emit_move_sequence): Ditto.
2764 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2765 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2766 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2767 (MULTILIB_EXCEPTIONS): Ditto.
2768 * config/m68k/m68k.opt: Add mcfv4e.
2769 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2770 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2771 (m68k_output_function_prologue): Save ColdFire FPU registers.
2772 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2773 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2774 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2775 ColdFire FPU registers.
2776 (m68k_libcall_value, m68k_function_value): New functions.
2777 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2778 (LIBCALL_VALUE): Use m68k_libcall_value.
2779 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2780 (MASK_COLDFIRE): Add MASK_CFV4E.
2781 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2782 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2783 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2784 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2785 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2786 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2787 * doc/invoke.tex: Document -mcfv4e on m68k.
2789 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2791 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2794 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2797 * c-opts.c (c_common_handle_option): Don't include
2798 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2799 * doc/invoke.texi (C++ Dialect Options): Document that
2800 -Wnon-virtual-dtor is no longer included in -Wall.
2802 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2804 * gcov.c (print_version), gcov-dump.c (print_version),
2805 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2808 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2810 * df-scan.c (problem_SCAN): Added NULL reset function.
2811 (df_scan_reset_blocks): Added code to call reset block function
2812 (df_bb_refs_delete) Fixed comment.
2813 (df_insn_refs_delete): Made tolerant of deleting non existent info
2814 for dataflow problems that need to be reset.
2815 * df-core.c (df_set_blocks): Ditto.
2816 * df.h (struct df_problem): Added reset_fun.
2817 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2818 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2819 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2820 functions to clear out all references to def-use or use-def chains.
2822 2006-01-21 Ben Elliston <bje@au.ibm.com>
2824 * varasm.c (assemble_real): Initialise data array.
2826 2006-01-20 Paul Brook <paul@codesourcery.com>
2828 Merge from csl-arm-branch.
2829 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2830 * config/arm/arm.md (movdi): Force operands[1] to a register
2831 if we have a non-register source.
2832 (*arm_movdi, *movdf_soft_insn): Require that one of the
2833 operands be a register.
2834 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2835 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2837 2006-01-20 DJ Delorie <dj@redhat.com>
2839 * varasm.c (initialize_constant_valid_p): Allow pointers
2840 initialized from integer constants of lesser precision.
2841 (output_constant): Allow non-int-sized pointer modes to be
2842 initialized from integer constants.
2844 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2847 * cppdefault.h (struct default_include): Add multilib flag.
2848 * cppdefault.c (cpp_include_defaults): Set it.
2849 * c.opt (-imultilib): New option.
2850 * c-opts.c (imultilib): New.
2851 (c_common_handle_option): Handle -imultilib.
2852 (c_common_post_options): Likewise.
2853 * c-incpath.c (add_standard_paths, register_include_chains):
2855 * c-incpath.h (register_include_chains): Add extra parameter.
2856 * gcc.c (do_spec_1): Generate -imultilib option.
2857 (The Specs Language): Update %I description.
2858 (process_command): Update copyright notice.
2859 * doc/cppopts.texi (-imultilib): Document.
2860 * doc/invoke.texi (-imultilib): Include in option summary.
2861 (%I): Update specs documentation.
2863 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2865 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2867 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2869 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2872 2006-01-20 Richard Guenther <rguenther@suse.de>
2873 Steven Bosscher <stevenb.gcc@gmail.com>
2875 PR rtl-optimization/24626
2876 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2877 EDGE_TRUE_VALUE if in RTL mode.
2880 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2881 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2883 2006-01-20 Dirk Mueller <dmueller@suse.com>
2886 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2887 instead of a special NOP marker.
2888 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2889 NOP marker handling.
2890 * c-common.h (empty_body_warning): Add forward declaration.
2891 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2892 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2894 2006-01-20 Paul Brook <paul@codesourcery.com>
2896 * Makefile.in (lang_checks): Keep going if mkdir fails.
2898 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2900 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2901 be able to clean out basic block when not necessary.
2902 (df_scan_free): Fixed to properly delete information if df is
2903 unused before calling df_finish.
2904 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2905 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2907 (df_bb_refs_delete): New function.
2908 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2909 * df-core.c (df_set_blocks): Added code to properly clean out
2910 unused blocks if they are not part of the blocks to consider.
2911 Added additional null check.
2912 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2913 be able to clean out basic block when not necessary
2914 * df.h (df_free_bb_function): Ditto.
2915 (df_bb_refs_delete): New function.
2916 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2917 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2918 basic block parameter to be able to clean out basic block when not
2920 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2921 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2922 Fixed to properly delete information if df is unused before
2925 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2927 PR rtl-optimization/25799
2928 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2929 Corrected confluence operator to remove bits from op2 before oring
2930 with op1 rather than removing bits from op1.
2931 (df_ru_transfer_function): Corrected test on wrong bitmap which
2932 caused infinite loop. Both of these problems were introduced in
2933 the dataflow rewrite.
2935 2006-01-19 DJ Delorie <dj@redhat.com>
2937 * reload1.c (find_reload_regs): Note the details of reload
2938 failures in the dump file.
2939 (spill_failure): Likewise.
2941 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2943 * loop-iv.c: Include df.h and hashtab.h.
2944 (enum iv_grd_result): New enum.
2945 (DF_REF_IV, DF_REF_IV_SET): New macros.
2946 (struct biv_entry): New.
2947 (df, bivs): New global variables.
2948 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2949 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2951 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2952 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2953 analyzed_for_bivness_p, record_biv): New functions.
2954 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2955 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2956 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2958 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2960 (iv_number_of_iterations): Use new interface to iv analysis.
2961 * loop-unroll.c: Do not include varray.h.
2962 (analyze_iv_to_split_insn): Use new interface to iv
2964 * loop-unswitch.c (may_unswitch_on): Ditto.
2965 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2967 (df_bb_modify): Realloc tables to the new index.
2968 (df_find_use): New function.
2969 * df.h (df_find_use): Declare.
2970 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2972 * cfgloop.h (struct rtx_iv): Remove analysed field.
2973 (iv_get_reaching_def): Removed.
2974 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2975 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2976 (loop-iv.o): Add df.h and hashtab.h dependency.
2977 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2979 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2982 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2984 (__floatundisf, __floatundidf): Likewise.
2985 * libgcc2.h (IS_IBM_EXTENDED): Define.
2987 2006-01-19 DJ Delorie <dj@redhat.com>
2989 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2991 2006-01-19 Paul Brook <paul@codesourcery.com>
2993 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2994 as nothrow when unwinding tables are disabled.
2996 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2999 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3000 of bit-field" when in system header.
3002 2006-01-19 DJ Delorie <dj@redhat.com>
3004 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3005 the 16 bit shift limit of the m16c.
3007 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3010 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3011 * config/i386/i386.c (output_set_got): Output the label if we have one
3012 for the TARGET_DEEP_BRANCH_PREDICTION case.
3014 2006-01-19 Jan Hubicka <jh@suse.cz>
3015 H.J. Lu <hongjiu.lu@intel.com>
3016 Evandro Menezes <evandro.menezes@amd.com>
3018 * invoke.texi (generic): Document
3020 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3021 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3022 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3023 (x86_use_incdec, x86_pad_returns): New variables
3024 (TARGET_CPU_DEFAULT_generic): New constant
3025 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3026 (enum processor_type): Add generic32 and generic64.
3027 * i386.md (cpu attribute): Add generic32/generic64
3028 (movhi splitter): Behave sanely when both partial_reg_dependency and
3029 partial_reg_stall are set.
3030 (K8 splitters): Enable for generic as well.
3031 * predicates.md (incdec_operand): Use TARGET_INCDEC
3032 (aligned_operand): Avoid memory mismatch stalls.
3033 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3034 * ppro.md: Enable for generic32
3035 * i386.c (generic64_cost, generic32_cost): New.
3036 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3037 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3038 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3039 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3040 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3041 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3042 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3043 x86_accumulate_outgoing_args, x86_prologue_using_move,
3044 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3045 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3047 (x86_use_incdec, x86_pad_returns): New.
3048 (override_options): Add generic32 and generic64, translate "generic"
3049 to generic32/generic64 and "i686" to "generic32", refuse
3050 "generic32"/"generic64" as arch target.
3051 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3052 (ix86_reorg): Honor PAD_RETURNS.
3054 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3056 * tree-pretty-print.c (dump_generic_node): Handle
3057 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3058 * cgraph.c (cgraph_expand_queue): Rename from
3059 cgraph_analyze_queue. Update all users.
3060 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3061 cgraph_expand_queue.
3062 (cgraph_expand_all_functions): Likewise.
3063 (cgraph_finalize_pending_functions): Remove. Update callers.
3065 * tree.h (OMP_DIRECTIVE_P): Define.
3066 (OMP_PARALLEL_FN): Define.
3067 (OMP_PARALLEL_DATA_ARG): Define.
3068 (OMP_SECTIONS_SECTIONS): Define.
3069 * tree-pass.h (pass_expand_omp): Declare.
3070 * omp-low.c (struct omp_region): Declare.
3071 (struct omp_context): Remove fields 'parallel_type',
3072 'parallel_start_ix' and 'parallel_start_additional_args'.
3074 (struct omp_for_data): Rename from struct expand_omp_for_data.
3075 (omp_regions): New static variable.
3076 (root_omp_region): New static variable.
3077 (find_omp_clause): Make static.
3078 (is_in_combined_parallel_ctx): Remove.
3079 (is_combined_parallel): New.
3080 (extract_omp_for_data): Move earlier in the file.
3081 (workshare_safe_to_combine_p): New.
3082 (get_ws_args_for): New.
3083 (determine_parallel_type): Move earlier in the file.
3084 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3086 (omp_copy_decl): Likewise.
3087 (create_omp_child_function): Likewise.
3088 (lookup_omp_region): New.
3089 (dump_omp_region): New.
3090 (debug_omp_region): New.
3091 (debug_all_omp_regions): New.
3092 (new_omp_region): New.
3093 (scan_omp_parallel): If parallel_nesting_level > 1, the
3094 directive is nested within another parallel directive.
3095 Set OMP_PARALLEL_FN.
3096 (scan_omp_for): Do not try to handle combined parallel+for
3098 Remove FIXME comment.
3099 (scan_omp_nested): Remove.
3100 (scan_omp_1): Do not call scan_omp_nested when
3101 parallel_nesting_level is > 1.
3102 Do not change the DECL_CONTEXT of local variables found.
3103 (lookup_decl_in_outer_ctx): New.
3104 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3105 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3106 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3107 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3108 If CTX is nested, lookup VAR in the outer context when
3109 building copy assignment.
3110 (lower_send_clauses): Rename from expand_send_clauses.
3111 If CTX is nested, lookup VAR in the outer context when
3112 building copy assignments.
3113 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3114 If CTX is nested, lookup VAR in the outer context when
3115 building copy assignments.
3116 (expand_parallel_call): Rename from build_parallel_call.
3117 Handle combined parallel+workshare cases.
3118 Re-implement to emit code into the CFG.
3120 (expand_omp_parallel): Re-implement to emit code into the CFG.
3121 Call move_sese_region_to_fn to outline the sub-graph
3122 containing the parallel region.
3123 (expand_omp_for_1): Remove.
3124 (expand_omp_for_generic): Re-implement to emit code into the
3126 (expand_omp_for_static_nochunk): Likewise.
3127 (expand_omp_for_static_chunk): Likewise.
3128 (expand_omp_for): Likewise.
3129 (expand_omp_sections): Likewise.
3130 (remove_exit_barriers): New.
3131 (expand_omp_synch): New.
3133 (build_omp_regions_1): New.
3134 (build_omp_regions): New.
3135 (execute_expand_omp): New.
3136 (gate_expand_omp): New.
3137 (pass_expand_omp): Define.
3138 (lower_omp_sections): Rename from expand_omp_sections.
3139 Set OMP_SECTIONS_SECTIONS.
3140 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3141 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3142 (lower_omp_single): Rename from expand_omp_simple.
3143 (lower_omp_master): Rename from expand_omp_master.
3144 (lower_omp_ordered): Rename from expand_omp_ordered.
3145 (lower_omp_critical): Rename from expand_omp_critical.
3146 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3147 (lower_omp_for): Re-implement.
3148 (lower_omp_parallel): Re-implement.
3149 (lower_regimplify): Rename from expand_regimplify.
3150 (lower_omp_1): Rename from expand_omp_1.
3151 If there are syntax errors in the program, replace every
3152 OpenMP directive with NOP.
3153 Call lower_omp_* instead of expand_omp_*.
3154 (lower_omp): Rename from expand_omp.
3156 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3157 * tree-gimple.h (enum omp_parallel_type): Remove.
3158 (gimple_boolify): Declare extern.
3159 (find_omp_clause, determine_parallel_type): Remove.
3161 * gimple-low.c (lower_omp_directive): New.
3162 (lower_stmt): Call it.
3163 (record_vars_into): Move from ...
3164 (record_vars): ... here.
3165 Call record_vars_into with current_function_decl.
3167 * gimplify.c (struct gimplify_ctx): Remove fields
3168 combined_pre_p and combined_ctxp. Update users.
3169 (get_formal_tmp_var): Add documentation.
3170 (gimple_boolify): Make extern.
3171 (gimplify_expr_in_ctx): Remove. Update callers.
3172 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3173 will always be a BIND_EXPR.
3174 (gimplify_expr): Handle OMP_RETURN_EXPR.
3175 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3176 (OMP_PARALLEL): Add 3 operands.
3177 (OMP_SECTIONS): Add 1 operand.
3178 (OMP_RETURN_EXPR): Define.
3180 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3181 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3182 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3183 creating a circular free list.
3184 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3186 * tree-flow.h (move_sese_region_to_fn): Declare.
3187 (record_vars_into): Declare.
3188 * tree-cfg.c (make_omp_sections_edges): New.
3189 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3190 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3191 OMP_SECTIONS and OMP_SECTION.
3192 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3193 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3194 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3195 (gather_blocks_in_sese_region): New.
3196 (struct move_stmt_d): Declare.
3198 (move_block_to_fn): New.
3199 (move_sese_region_to_fn): New.
3201 * passes.c (init_optimization_passes): Schedule
3202 pass_expand_omp after pass_init_datastructures.
3204 * tree-ssa-operands.c (get_expr_operands): Handle
3205 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3206 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3208 2006-01-19 Jeff Law <law@redhat.com>
3210 * tree-vrp.c (extract_range_from_assert): Refine the result range
3211 if the variable referenced by the ASSERT_EXPR has a range and
3212 either the tentative result range or the previous range is a
3215 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3217 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3219 2006-01-19 Jan Hubicka <jh@suse.cz>
3221 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3223 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3225 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3226 (expand_compound_operation, expand_field_assignment): Fail if the
3227 bit lengths of an extract operation are out of range.
3228 (make_extraction): Compute wanted_inner_mode based on the position
3229 and length of the extraction. Make it extraction_mode for non-constant
3230 positions, and do not modify offset in that case. When generating a
3231 new MEM, use a mode that can hold the extraction while keeping correct
3232 alignment. Remove code that supported MEMs wrapped by USEs.
3233 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3235 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3237 * config/s390/s390.md ("Y", "y"): New mode attribute.
3238 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3239 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3240 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3241 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3242 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3243 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3244 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3245 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3246 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3247 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3248 "addsi3", "subsi3"): Insn patterns removed.
3249 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3250 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3251 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3252 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3253 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3254 "*sub<mode>3_cconly2"): New insn patterns.
3255 ("addsi3", "subsi3"): New expanders.
3257 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3259 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3260 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3261 existing STMT_VINFO_VECTYPE if available.
3262 (vect_mark_relevant): Add special handling for stmts that are
3263 marked as STMT_VINFO_IN_PATTERN_P.
3264 (vect_analyze_loop): Call vect_pattern_recog.
3265 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3266 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3268 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3269 (vect_recog_func_ptr): New function-pointer type.
3270 * tree-vect-patterns.c: New file.
3271 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3272 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3273 (vect_pattern_recog_1): New functions.
3274 (vect_pattern_recog_funcs): New array of function pointers.
3276 * tree-vectorizer.h (ternary_op): New enum value.
3277 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3278 declaration. Revised documentation. Removed redundant dump prints.
3279 Removed redundant argument. Added support for reduction patterns.
3280 (vectorizable_reduction): Added support for reduction patterns.
3281 (vect_transform_stmt): Added support for patterns.
3283 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3284 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3285 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3286 (expand_widen_pattern_expr): New function.
3287 (init_optabs): Initialize new optabs udot_prod_optab,
3289 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3290 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3291 (expand_widen_pattern_expr): New function declaration.
3292 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3294 * tree-inline.c (estimate_num_insns_1): Added cases for new
3295 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3296 * tree-pretty-print.c (dump_generic_node): Likewise.
3297 (op_prio): Likewise.
3298 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3299 * tree-ssa-operands.c (get_expr_operands): Added case for
3301 * tree-vect-patterns.c (widened_name_p): New function.
3302 (vect_recog_dot_prod_pattern): Added function implementation.
3303 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3304 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3305 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3306 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3308 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3309 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3310 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3311 (init_optabs): Initialize new optabs widen_ssum_optab,
3313 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3314 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3315 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3316 use instead of type of def.
3317 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3318 function implementation.
3319 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3320 widen_ssumv8hi): New.
3322 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3325 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3328 * c-decl.c (add_flexible_array_elts_to_size): New function.
3329 (finish_decl): Use it.
3331 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3333 * diagnostic.h: Include options.h.
3334 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3335 dependancies for diagnostic.h.
3336 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3338 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3340 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3341 (ssa_ro_call_cache_valid): Ditto.
3342 * tree-ssa-alias.c (sort_tags_by_id): New function.
3343 (init_transitive_clobber_worklist): Ditto.
3344 (add_to_worklist): Ditto.
3345 (mark_aliases_call_clobbered): Ditto.
3346 (compute_tag_properties): Ditto.
3347 (set_initial_properties): Ditto.
3348 (compute_call_clobbered): Ditto.
3349 (compute_may_aliases): Call compute_call_clobbered and grouping.
3350 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3351 (compute_flow_insensitive_aliasing): Grouping now happens in our
3353 (setup_pointers_and_addressables): Remove clobbering related code.
3354 (add_may_alias): Ditto.
3355 (replace_may_alias): Ditto.
3356 (get_nmt_for): Ditto.
3357 (create_global_var):
3358 (is_escape_site): Return an escape_type enumeration.
3359 * tree-flow-inline.h (is_call_clobbered): Global var does not
3360 imply call clobbered.
3361 (mark_call_clobbered): Take a reason for marking this. Remove
3362 marking of globalness, and cache invalidation.
3363 (clear_call_clobbered): Remove cache invalidation code.
3364 * tree-dfa.c (dump_variable): If details is on, dump the reason
3366 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3368 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3369 (struct var_ann_d): Ditto.
3370 (enum escape_type): New.
3371 (mark_call_clobbered): Adjust prototype.
3372 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3373 are never call clobbered.
3374 Record reasons for escaping.
3375 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3376 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3377 (ssa_ro_call_cache_valid): Ditto.
3378 (clobbered_v_may_defs): Ditto.
3379 (clobbered_vuses): Ditto.
3380 (ro_call_vuses): Ditto.
3381 (clobber_stats): New.
3382 (init_ssa_operands): Zero out clobber stats.
3383 (fini_ssa_operands): Print out clobber stats.
3384 (get_call_expr_operands): Pass callee fndecl to
3386 (add_call_clobber_ops): Remove use of cache.
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