1 2006-02-20 Ben Elliston <bje@au.ibm.com>
3 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5 2006-02-19 Roger Sayle <roger@eyesopen.com>
6 Steven Bosscher <stevenb.gcc@gmail.com>
8 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9 constant pool references to identify stack mode constants.
10 * rtlanal.c (constant_pool_constant_p): New predicate to check
11 whether operand is a floating point constant in the pool.
12 * rtl.h (constant_pool_constant_p): Prototype here.
13 * loop.c (scan_loop): Avoid hoisting constants from the constant
14 pool on STACK_REGS targets.
15 (load_mems): Likewise.
16 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17 loads into x87 registers expensive in terms of register pressure.
19 2006-02-19 Roger Sayle <roger@eyesopen.com>
21 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
22 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
24 2006-02-19 David Edelsohn <edelsohn@gnu.org>
26 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
27 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
29 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
31 * doc/invoke.texi: Document -fipa-pta.
32 * common.opt: Add ipa-pta option.
33 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
34 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
35 (do_ds_constraint): Ditto.
36 (get_constraint_for): Only add to referenced_vars if
37 referenced_vars exists.
38 (insert_into_field_list): Rewrite to do this unsorted.
39 (insert_into_field_list_sorted): Rename old insert_into_field_list
41 (create_function_info_for): Use insert_into_field_list_sorted.
42 (create_variable_info_for): Rewrite so it uses unsorted version,
43 since the field list is sorted.
44 (intra_create_variable_infos): Only add to referenced_vars if
45 referenced_vars exists.
46 (ipa_pta_execute): Init heapvars, and delete when done.
47 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
49 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
51 * doc/install.texi: Add missing `@samp'.
53 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
55 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
58 2006-02-18 Mark Wielaard <mark@klomp.org>
60 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
61 who added new 4.1 features, bug fixes and integration support.
63 2006-02-18 David Edelsohn <edelsohn@gnu.org>
66 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
69 2006-02-18 Richard Sandiford <richard@codesourcery.com>
71 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
72 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
73 (copy_insn_1): Likewise. Don't copy each field individually.
75 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
77 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
78 * rtl.c (rtx_size): Rename variable to...
79 (rtx_code_size): ...this.
80 (rtx_size): New function.
81 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
82 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
84 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
85 * rtl.h (rtx_code_size): New variable.
86 (rtx_size): Change from a variable to a function.
87 (RTX_SIZE): Rename to...
88 (RTX_CODE_SIZE): ...this.
91 PR tree-optimization/17106
92 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
93 (Anchored Addresses): New section.
94 * doc/invoke.texi (-fsection-anchors): Document.
95 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
96 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
97 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
98 * hooks.c (hook_bool_mode_rtx_false): New function.
99 * hooks.h (hook_bool_mode_rtx_false): Declare.
100 * gengtype.c (create_optional_field): New function.
101 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
102 SYMBOL_REF_IN_BLOCK_P is true.
103 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
104 (min_anchor_offset, max_anchor_offset): Likewise.
105 (use_anchors_for_symbol_p): New hook.
106 * toplev.c (compile_file): Call output_object_blocks.
107 (target_supports_section_anchors_p): New function.
108 (process_options): Check that -fsection-anchors is only used on
109 targets that support it and when -funit-at-a-time is in effect.
110 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
111 if the decl doesn't have one.
112 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
113 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
114 of force_const_mem through use_anchored_address.
115 (expand_expr_constant): New function.
116 (expand_expr_addr_expr_1): Call it. Use the same modifier when
117 calling expand_expr for INDIRECT_REF.
118 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
119 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
120 * expr.h (use_anchored_address): Declare.
121 * loop-unroll.c: Don't declare rtx vectors here.
122 * explow.c: Include output.h.
123 (validize_mem): Call use_anchored_address.
124 (use_anchored_address): New function.
125 * common.opt (-fsection-anchors): New switch.
126 * varasm.c (object_block_htab, anchor_labelno): New variables.
127 (hash_section, object_block_entry_eq, object_block_entry_hash)
128 (use_object_blocks_p, get_block_for_section, create_block_symbol)
129 (use_blocks_for_decl_p, change_symbol_section): New functions.
130 (get_variable_section): New function, split out from assemble_variable.
131 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
132 use_blocks_for_decl_p say so. Use change_symbol_section if the
133 symbol has already been created.
134 (assemble_variable_contents): New function, split out from...
135 (assemble_variable): ...here. Don't output any code for
136 block symbols; just pass them to place_block_symbol.
137 Use get_variable_section and assemble_variable_contents.
138 (get_constant_alignment, get_constant_section, get_constant_size): New
139 functions, split from output_constant_def_contents.
140 (build_constant_desc): Create a block symbol if use_object_blocks_p
141 says so. Or into SYMBOL_REF_FLAGS.
142 (assemble_constant_contents): New function, split from...
143 (output_constant_def_contents): ...here. Don't output any code
144 for block symbols; just pass them to place_section_symbol.
145 Use get_constant_section and get_constant_alignment.
146 (force_const_mem): Create a block symbol if use_object_blocks_p and
147 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
148 (output_constant_pool_1): Add an explicit alignment argument.
149 Don't switch sections here.
150 (output_constant_pool): Adjust call to output_constant_pool_1.
151 Switch sections here instead. Don't output anything for block symbols;
152 just pass them to place_block_symbol.
153 (init_varasm_once): Initialize object_block_htab.
154 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
155 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
156 (place_block_symbol, get_section_anchor, output_object_block)
157 (output_object_block_htab, output_object_blocks): New functions.
158 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
159 (TARGET_ASM_OUT): Include it.
160 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
161 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
162 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
163 (TARGET_INITIALIZER): Include them.
164 * rtl.c (rtl_check_failed_block_symbol): New function.
165 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
166 (block_symbol, object_block): New structures.
167 (rtx_def): Add a block_symbol field to the union.
168 (BLOCK_SYMBOL_CHECK): New macro.
169 (rtl_check_failed_block_symbol): Declare.
170 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
171 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
172 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
173 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
174 * output.h (output_section_symbols): Declare.
175 (object_block): Name structure.
176 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
177 (default_use_anchors_for_symbol_p): Declare.
178 * Makefile.in (RTL_BASE_H): Add vec.h.
179 (explow.o): Depend on output.h.
180 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
181 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
182 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
183 (rs6000_use_blocks_for_constant_p): New function.
185 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
187 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
189 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
192 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
195 2006-02-18 Diego Novillo <dnovillo@redhat.com>
197 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
201 2006-02-18 Jakub Jelinek <jakub@redhat.com>
204 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
205 instead of DECL_REGISTER.
207 2006-02-18 Olivier Hainque <hainque@adacore.com>
210 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
212 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
215 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
216 * opth-gen.awk: Handle Var and InverseMask together.
217 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
218 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
219 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
220 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
222 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
223 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
224 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
225 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
226 LINUX_DYNAMIC_LINKER): Define.
227 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
228 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
230 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
231 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
232 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
234 (TARGET_C99_FUNCTIONS): Don't define.
235 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
236 GLIBC_DYNAMIC_LINKER.
237 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
238 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
239 GLIBC_DYNAMIC_LINKER64): Define.
240 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
241 LINUX_DYNAMIC_LINKER64.
242 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
243 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
244 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
245 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
246 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
247 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
248 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
249 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
250 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
252 and LINUX_DYNAMIC_LINKER32.
253 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
254 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
255 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
256 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
257 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
259 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
260 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
261 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
262 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
263 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
264 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
265 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
266 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
267 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
268 LINUX_DYNAMIC_LINKER): Define.
269 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
270 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
271 GLIBC_DYNAMIC_LINKER64): Define.
272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
273 LINUX_DYNAMIC_LINKER64.
274 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
275 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
276 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
277 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
278 LINUX_DYNAMIC_LINKER): Define.
279 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
280 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
281 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
282 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
283 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
284 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
285 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
286 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
287 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
288 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
290 * doc/invoke.texi (-muclibc): Remove caveat about supported
293 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
295 * doc/cpp.texi (__TIMESTAMP__): Document.
297 2006-02-17 Roger Sayle <roger@eyesopen.com>
300 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
301 C is one less than the width of X (and related transformations).
302 * simplify_rtx.c (simplify_unary_operation_1): Transform
303 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
304 depending on STORE_FLAG_VALUE, were C is one less then the
307 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
309 Fix PR tree-optimization/26341
310 * tree-ssa-operands.c (add_virtual_operand): Remove assert
311 about NAME_MEMORY_TAG's.
313 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
316 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
317 with hardware float support, and software float support. Add fcpy
318 alternative to hardware patterns. Add alternatives to copy between
319 general and floating-point registers to the 32-bit pattern.
320 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
321 secondary reload to load a QI or HI mode constant into a floating
323 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
324 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
326 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
329 * config/rs6000/darwin.md (load_macho_picbase_si): Add
331 (load_macho_picbase_di): Likewise.
333 2006-02-16 Jeff Law <law@redhat.com>
335 * tree-vrp.c (set_value_range_to_nonnegative): New function.
336 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
337 (ssa_name_nonzero_p): Likewise.
338 (get_value_range): Return NULL if VRP is not running.
339 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
340 VRP routines do not discover a range.
341 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
342 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
343 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
344 (tree_expr_nonnegative_p): Similarly.
345 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
346 (restore_nonzero_vars_to_original_value): Remove.
347 (unsafe_associative_fp_binop): Remove.
348 (tree_ssa_dominator_optimize): Remove initialization and
349 finalization of nonzero_vars and nonzero_vars_stack.
350 (dom_opt_initialize_block): No longer push marker on
352 (dom_opt_finalize_block): No longer call
353 restore_nonzero_vars_to_original_value.
354 (record_equivalences_from_phis): No longer look for
355 nonzero PHI arguments.
356 (cprop_into_successor_phis): No longer propagate nonzero
357 property into PHI arguments. Lose unused argument. Caller
359 (record_equivalences_from_stmt): No longer record nonzero
360 values for SSA_NAMEs.
361 (lookup_avail_expr): No longer use nonzero_vars.
363 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
364 for sizetype when sizetype is unsigned.
366 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
368 PR rtl-optimization/25603
369 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
370 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
371 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
372 with new meaning of SETS.
374 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
379 * config/linux.opt: New file.
380 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
381 LINUX_DYNAMIC_LINKER): Define.
382 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
383 * config.gcc (*-*-linux*): Define extra_options.
384 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
385 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
386 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
387 GLIBC_DYNAMIC_LINKER.
388 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
389 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
390 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
391 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
392 * doc/invoke.texi (GNU/Linux Options): New section.
394 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
396 * config/sparc/sparc.md (setjmp): Rewrite.
398 (setjmp_64): Likewise.
400 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
402 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
405 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
407 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
410 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
412 PR rtl-optimization/26296
413 * Makefile.in (loop-invariant.c): Add except.h dependency.
414 * loop-invariant.c: Include except.h.
415 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
417 2005-02-16 Paul Brook <paul@codesourcery.com>
419 * reload1.c (emit_reload_insns): Invalidate dead input registers used
422 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
424 PR rtl-optimization/25636
425 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
426 when deciding whether an insn is an initializing insn.
428 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
430 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
431 (tree_code_size): Ditto.
432 * tree.h (struct tree_memory_tag): Remove parent_var.
433 (struct tree_struct_field_tag): New.
436 (union tree_node): Add sft member.
437 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
439 (create_sft): Add size and offset argument, set SFT_OFFSET and
441 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
442 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
443 * tree-flow-inline.h (get_subvar_at): Update for
445 (var_can_have_subvars): Ditto.
446 (overlap_subvar): Ditto.
447 * print-tree.c (print_node): Print out interesting things for
449 * tree-flow.h (struct subvar): Remove offset and size members.
450 * tree-ssa-operands.c (get_expr_operands): Update for
451 get_indirect_ref_operands changes.
452 (get_indirect_ref_operands): Call add_virtual_operand instead of
453 add_stmt_operand. Only recurse on base var if requested.
454 (access_can_touch_variable): New function.
455 (add_stmt_operand): Split virtual operand handling into ...
456 (add_virtual_operand): Here. Add offset, size, and for_clobber
457 arguments. Prune alias sets.
458 (add_call_clobber_ops): Call add_virtual_operand.
460 2006-02-15 Jakub Jelinek <jakub@redhat.com>
463 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
465 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
466 than TREE_CODE as index into omp_clause_num_ops array.
468 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
470 PR rtl-optimization/26184
471 * modulo-sched.c (generate_reg_moves): Free bitmap vector
473 * modulo-sched.c (sms_schedule): Free g_arr pointer.
474 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
475 must_precede, must_follow and tobe_scheduled.
478 * opts.c (common_handle_option): Free new_option pointer.
479 * df-core.c (df_analyze): Free postorder pointer.
481 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
483 * Makefile.in: Fix the examples about the use of stamps
485 2006-02-15 Michael Matz <matz@suse.de>
489 * stor-layout.c (layout_decl): Zero-width bitfields aren't
490 influenced by maximum_field_alignment or DECL_PACKED.
491 (update_alignment_for_field): Ditto.
492 (place_field): Ditto.
493 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
496 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
498 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
499 (debug_flow_info): Pass it.
500 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
501 * bb-reorder.c (reorder_basic_blocks): Likewise.
502 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
503 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
504 * flow.c (life_analysis, recompute_reg_usage): Likewise.
505 * gcse.c (gcse_main, bypass_jumps): Likewise.
506 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
507 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
508 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
509 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
510 * rtl.h (dump_flow_info): Adjust prototype.
511 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
512 * var-tracking.c (variable_tracking_main): Likewise.
513 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
514 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
517 2006-02-15 Marcin Dalecki <martin@dalecki.de>
519 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
522 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
524 PR tree-optimization/26209
525 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
526 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
528 * tree-cfg.c (replace_uses_by): Do not alter cfg.
530 2006-02-14 Roger Sayle <roger@eyesopen.com>
533 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
534 (X,Y) and the corresponding symmetry related transformations.
535 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
536 (X,Y) and its symmetry related transformations.
538 2006-02-14 Roger Sayle <roger@eyesopen.com>
540 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
543 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
545 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
547 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
550 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
551 support COMDAT group.
552 * configure: Regenerate.
554 2006-02-14 Roger Sayle <roger@eyesopen.com>
559 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
561 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
563 Fix PR tree-optimization/26260
565 * doc/invoke.texi (max-fields-for-field-sensitive): Document
567 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
568 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
569 * tree-ssa-structalias.c (create_variable_info_for): Use
570 MAX_FIELDS_FOR_FIELD_SENSITIVE.
572 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
574 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
576 * tree-ssa-loop-niter.c (number_of_iterations_ne,
577 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
578 of the ending condition.
579 * tree-ssa-loop-manip.c: Include params.h.
580 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
581 tree_unroll_loop): New functions.
582 * tree-pass.h (pass_loop_prefetch): Declare.
583 * loop.c (rest_of_handle_loop_optimize): Test for
584 -fprefetch-loop-arrays-rtl.
585 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
586 * timevar.def (TV_TREE_PREFETCH): New timevar.
587 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
588 pass_loop_prefetch): New.
589 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
590 (cleanup_tree_cfg_loop): Call scev_reset.
591 * common.opt (fprefetch-loop-arrays-rtl): Add.
592 * tree-ssa-loop-prefetch.c: New file.
593 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
594 (new_temp_expr_table): Initialize expr_vars.
595 (free_temp_expr_table): Cleanup expr_vars.
596 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
597 expressions from being merged into one.
598 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
599 (struct tree_niter_desc): Add control, bound and cmp fields.
600 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
602 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
603 (tree-cfgcleanup.o): Add SCEV_H dependency.
604 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
605 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
607 2006-02-14 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/26258
610 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
611 in PHI argument processing.
613 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
615 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
616 new expression in the requested machine mode.
618 2006-02-13 Roger Sayle <roger@eyesopen.com>
620 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
621 directly, instead let do_compare_rtx_and_jump handle this for us.
622 * expr.c (expand_expr_real_1): Likewise.
623 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
624 before do_jump_by_parts_greater.
625 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
626 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
628 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
630 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
632 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
634 PR rtl-optimization/26235
635 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
636 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
639 2006-02-13 Jeff Law <law@redhat.com>
641 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
644 2006-02-13 Jakub Jelinek <jakub@redhat.com>
647 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
648 twice if decl is a builtin. When trying again, call get_callee_fndecl
649 first to verify it is still a builtin.
651 2006-02-13 Geoffrey Keating <geoffk@apple.com>
653 * dwarf2out.c (base_type_die): Don't add AT_name here.
654 (subrange_type_die): Don't add AT_name here.
655 (modified_type_die): Rearrange code flow. Do add AT_name here.
657 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
659 PR rtl-optimization/26247
660 PR rtl-optimization/26248
661 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
663 2006-02-13 Richard Sandiford <richard@codesourcery.com>
665 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
666 * config/fixtfdi.c: Likewise.
667 * config/fixunstfdi.c: Likewise.
668 * config/floatditf.c: Likewise.
670 2006-02-13 Roger Sayle <roger@eyesopen.com>
673 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
674 into (X,C2) if C1 is a subset of the bits of C2. Transform
675 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
677 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
679 2006-02-13 Josh Conner <jconner@apple.com>
682 * varasm.c (function_section): Check for section name before
683 calling select_section on targets that define
684 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
685 unlikely_text_section instead of hot_function_section if
686 first_function_block_is_cold.
688 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
691 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
693 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
695 PR rtl-optimization/26222
696 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
697 after tree->rtl expansion.
698 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
699 before passing it to emit_move_insn.
701 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
703 * doc/invoke.texi (-Write-strings): Document that it is enabled by
705 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
706 Clarify documentation.
707 * c-common.h (warn_write_strings): Remove.
708 * c-common.c (warn_write_strings): Likewise.
709 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
712 2006-02-12 Roger Sayle <roger@eyesopen.com>
715 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
716 (do_jump_parts_zero_rtx): New function renamed from
717 do_jump_parts_equality_rtx. Made static. Add a mode argument.
718 (do_jump_parts_equality_rtx): New function split out from
719 do_jump_parts_equality. Old implementation renamed as above.
720 Call do_jump_parts_zero_rtx if either operand is zero.
721 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
722 do all of the heavy lifting.
723 (do_compare_rtx_and_jump): Handle multi-word comparisons by
724 calling either do_jump_by_parts_greater_rtx or
725 do_jump_by_parts_equality_rtx.
726 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
727 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
728 moved to do_compare_rtx_and_jump, call it directly.
729 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
730 mode argument. Call do_compare_rtx_and_jump.
731 (emit_case_nodes): Update calls to do_jump_if_equal.
733 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
735 PR rtl-optimization/26225
736 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
738 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
740 PR rtl-optimization/26232
741 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
743 2006-02-11 Jason Merrill <jason@redhat.com>
746 * tree-inline.c (declare_return_variable): Just don't use the
747 modify target if it's a gimple complex reg and the return slot
750 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
752 * doc/contrib.texi: Update my entry.
754 2006-02-10 Geoffrey Keating <geoffk@apple.com>
756 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
758 2006-02-10 Diego Novillo <dnovillo@redhat.com>
760 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
763 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
765 * doc/invoke.texi (-floop-optimize2): Removed.
766 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
767 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
768 Test flag_branch_on_count_reg only if HAVE_doloop_end.
769 * common.opt (floop-optimize2): Removed.
770 (fmove-loop-invariants): Enabled by default.
772 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
774 * tree-if-conv.c (combine_blocks): Free the result of
777 2006-02-10 Jeff Law <law@redhat.com>
779 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
781 PR tree-optimization/26213
782 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
783 loop trying to follow SSA_NAME_VALUE chains.
785 2006-02-10 Richard Guenther <rguenther@suse.de>
787 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
788 deal with structures that end in implicitly variable sized arrays.
790 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
792 PR rtl-optimization/24762
793 * df-scan.c (df_bb_refs_record): Record correct registers defined on
796 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
798 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
799 (struct ivopts_data): Add regs_used field.
800 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
801 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
802 instead of loop_data->regs_used;
803 (free_loop_data): Do not free aux fields for loops.
804 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
805 and tree_ssa_iv_optimize_finalize.
807 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
809 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
811 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
814 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
815 computing the effective result type.
817 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
820 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
821 (tree_overlaps_hard_reg_set): Declare.
822 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
823 type and signature to match function type expected by walk_tree.
824 (tree_overlaps_hard_reg_set): New function.
825 (decl_conflicts_with_clobbers_p): Rename to:
826 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
827 Use tree_overlaps_hard_reg_set. Changed caller.
828 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
829 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
830 * cris.c (cris_md_asm_clobbers): Likewise.
832 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
834 * reload1.c (emit_input_reload_insns): Delete code that tries to
835 inherit using find_equiv_reg.
837 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
839 * c-common.h (flag_const_strings): Don't declare.
840 * c-common.c (flag_const_strings): Remove.
841 * c.opt (fconst_strings): Remove.
842 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
843 <OPT_Wwrite_strings>: Don't set flag_const_strings.
844 (c_common_init_options): Don't set flag_const_strings.
845 * doc/invoke.texi (-fno-const-strings): Remove documentation.
847 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
849 * arm.md (tlobits_cbranch): New pattern.
850 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
851 testing a single bit.
853 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
856 * tree-ssa-pre.c (create_component_ref_by_pieces):
857 Handle RETURN_DECL like VAR_DECL.
859 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
862 * fold-const.c (fold_indirect_ref_1): Fold
863 "*(foo *)&complexfoo" to "__real__ complexfoo"
864 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
866 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
868 * tree-flow-inline.h (var_can_have_subvars):
869 Volatile variables should not have subvariables.
871 2006-02-09 Diego Novillo <dnovillo@redhat.com>
874 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
875 multiplying unsigned values.
878 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
880 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
882 2006-02-08 Jason Merrill <jason@redhat.com>
885 * tree.def: Elaborate on difference from MODIFY_EXPR.
886 * doc/c-tree.texi (INIT_EXPR): Likewise.
887 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
888 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
889 (gimplify_target_expr): Likewise.
890 (gimplify_cond_expr): Remove target handling.
891 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
892 (gimplify_expr): Clobber it here.
893 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
894 Do return slot optimization if we have an INIT_EXPR.
897 * tree-inline.c (declare_return_variable): Also clear
898 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
901 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
904 * gimplify.c (gimplify_one_sizepos): Fix typo.
906 2006-02-08 Jeff Law <law@redhat.com>
908 PR tree-optimization/21417
909 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
910 across a backedge if the control statement at the end of the
911 block is data dependent on other statements in the same block.
912 (record_temporary_equivalences_from_stmts): Remove over-conservative
913 test for threading across backedges.
915 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
916 control statement, handle all three special cases in the same
917 manner as they all have the same desired solution. No longer
918 special case edge flag updating when the post dominator is
921 2006-02-08 Roger Sayle <roger@eyesopen.com>
923 * tree.def (CHAR_TYPE): Remove.
924 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
925 * dwarf2out.c (base_type_die, is_base_type): Likewise.
926 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
927 (gen_string_type_die): Delete unreachable function.
929 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
930 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
931 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
932 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
933 * builtins.c (type_to_class): Likewise.
934 * fold-const.c (fold_convert, build_range_check,
935 merge_ranges): Likewise.
936 * expr.c (count_type_elements): Likewise.
937 * c-pretty-print.c (pp_c_type_specifier): Likewise.
938 * stor-layout.c (layout_type): Likewise.
939 * ipa-type-escape.c (type_to_consider): Likewise.
940 * gimplify.c (omp_firstprivatize_type_sizes,
941 gimplify_type_sizes): Likewise.
942 * explow.c (promote_mode): Likewise.
943 * tree-sra.c (is_sra_scalar_type): Likewise.
944 * varasm.c (output_constant): Likewise.
945 * tree-inline.c (remap_type_1): Likewise.
946 * convert.c (convert_to_pointer, convert_to_real,
947 convert_to_integer, convert_to_complex): Likewise.
949 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
951 * df-scan.c (df_def_record_1): A set destination may
952 be a parallel regardless of mode.
954 2006-02-08 Roger Sayle <roger@eyesopen.com>
957 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
958 * config/mips/_tilib.c: Remove.
959 * config/fixtfdi.c: New libgcc source file.
960 * config/fixunstfdi.c: New source file.
961 * config/floatditf.c: New source file.
962 * config/floatunditf.c: New souce file.
963 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
964 files above instead of config/mips/_tilib.c.
965 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
967 2006-02-08 Jeff Law <law@redhat.com>
969 PR tree-optimization/26169
970 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
973 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
975 * df.h (DF_REG_SIZE): Return the length of the initialized
978 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
980 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
981 __muldf3): Return a correctly signed zero.
983 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
985 * passes.c (register_one_dump_file): Accept the current properties
986 instead of pass number. Adjust call to dump_register. Remove
988 (register_dump_files): Now a wrapper around...
989 (register_dump_files_1): ... this one. Do not modify the pass
991 (next_pass_1): Cosmetic fix.
992 (execute_todo): Keep second parameter only. Use curr_properties
993 instead of fetching it from the pass structure. Check and set
995 (execute_one_pass): Handle TODO_set_props. Use curr_properties
996 instead of fetching it from the pass structure. Fix calls to
997 execute_todo. Update curr_properties and initialize .vcg RTL dump
998 after running the pass. Reset last_verified.
999 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1001 (FIRST_AUTO_NUMBERED_DUMP): New.
1002 (dump_register): Remove "num" parameter, assign it within the
1004 (get_dump_file_name): Modify template for dumps.
1005 * tree-dump.h (dump_register): Adjust prototype.
1006 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1007 (PROP_trees): Add PROP_gimple_lomp.
1008 (TODO_set_props): New.
1009 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1010 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1011 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1013 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1015 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1016 (sparc64-*-linux*): Likewise.
1017 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1018 * config/sparc/t-linux: New file.
1019 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1020 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1021 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1022 -m32 -mlong-double-128.
1024 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1025 * config/alpha/t-linux: New file.
1026 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1028 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1029 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1030 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1031 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1032 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1033 (CPP_ARCH32_SPEC): Remove.
1035 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1037 PR tree-optimization/26145
1038 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1041 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1044 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1045 >= 240000 when generating code for SOM runtime.
1046 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1047 to $$dyncall when generating code for SOM runtime..
1049 2006-02-07 Dirk Mueller <dmueller@suse.com>
1052 * doc/invoke.texi (-Wsequence-point): Update documentation
1053 that -Wsequence-point is implemented for C++ as well.
1055 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1057 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1058 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1059 (LIB_SPEC): Likewise.
1060 * doc/invoke.texi (SPARC options): Document -pthread.
1062 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1064 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1067 2006-02-07 Roger Sayle <roger@eyesopen.com>
1069 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1070 Correct comment describing BOOLEAN_TYPE.
1072 2006-02-07 Dirk Mueller <dmueller@suse.com>
1074 * c.opt: C++ frontend supports -Wdiv-by-zero.
1075 * c-opts.c (c_common_handle_option): Remove dead case.
1077 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1079 * configure.ac (TLS assembler check): Do not enable TLS by
1080 default on SPARC/Solaris before version 10.
1081 * configure: Regenerate.
1083 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1085 * doc/invoke.texi (xl-compat): Document conversion and support
1088 2006-02-07 Jeff Law <law@redhat.com>
1090 * tree-vrp.c (find_conditional_asserts): Update comments.
1091 (simplify_stmt_for_jump_threading): New.
1092 (identify_jump_threads, finalize_jump_threads): New.
1093 (vrp_finalize): Call identify_jump_threads.
1094 (execute_vrp): Call finalize_jump_threads.
1095 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1096 (vrp_element, vrp_data, vrp_element_p): Remove.
1097 (vrp_hash_elt, vrp_variables_stack): Remove.
1098 (vrp_hash, vrp_eq, record_range): Remove.
1099 (simplify_cond_and_lookup_avail_expr): Remove.
1100 (extract_range_from_cond): Remove.
1101 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1102 (simplify_stmt_for_jump_threading): New.
1103 (dom_thread_across_edge): New wrapper.
1104 (tree_ssa_dominator_optimize): No longer initialize or
1105 finalize any of the VRP datastructures. Remove iteration
1106 step and simplify as a result of removal of iteration step.
1107 (pass_dominator): Perform a cfg cleanup after DOM.
1108 (dom_opt_finalize_block): Use the new common routines
1109 for threading jumps. Simplify stack management slightly.
1110 No longer need to unwind VRP state.
1111 (record_equivalences_from_incoming_edge): No longer record
1113 (eliminate_redundant_computations): No longer call
1114 simplify_cond_and_lookup_avail_expr.
1115 * tree-flow.h (potentially_threadable_block): Prototype.
1116 (thread_across_edge): Likewise.
1117 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1118 (tree-ssa-threadedge.o): Add dependencies.
1119 * tree-ssa-threadedge.c: New file.
1120 * passes.c (init_optimization_passes): Merge PHIs before
1121 calling VRP. Run VRP again late in the SSA optimization pipeline.
1123 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1125 * df-core.c (df_set_blocks): Do not dereference function pointers.
1126 (df_finish1): Likewise.
1127 (df_hybrid_search_forward): Likewise.
1128 (df_hybrid_search_backward): Likewise.
1129 (df_iterative_dataflow): Likewise.
1130 (df_analyze_problem): Likewise.
1131 (df_compact_blocks): Likewise.
1132 (df_dump): Likewise.
1133 * df-scan.c (df_rescan_blocks): Likewise.
1134 (df_record_entry_block_defs): Likewise.
1136 * genconditions.c (write_conditions): Guard the definition of
1137 'insn_conditions' with the check on GCC version.
1138 (write_writer): Guard the traversal 'insn_conditions' with
1139 the check on GCC version.
1141 2006-02-07 Richard Guenther <rguenther@suse.de>
1145 2006-01-30 Richard Guenther <rguenther@suse.de>
1147 * gimplify.c (gimplify_target_expr): Handle easy cases
1148 without creating a temporary.
1150 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1152 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1153 use of float in probability computations. Use edge probabilities
1154 in place of statically computed probabilities.
1155 (min_spec_prob): New static variable.
1156 (schedule_insns): Initialize it.
1157 (GET_SRC_PROB): Removed.
1158 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1160 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1163 * config/ia64/unwind-ia64.c: Revert last change.
1164 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1165 (INCOMING_FRAME_SP_OFFSET): Define.
1167 2006-02-06 Roger Sayle <roger@eyesopen.com>
1169 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1171 2006-02-07 Ben Elliston <bje@au.ibm.com>
1173 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1174 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1175 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1176 (ix86_return_in_memory): Handle TDmode.
1177 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1178 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1180 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1182 * reorg.c (dbr_schedule): Use dump_file instead of file.
1184 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1187 * config/ia64/predicates.md (extr_len_operand): New predicate.
1188 * config/ia64/ia64.md (extv): Tighten constraints.
1190 (*tbit_and_2): Ditto.
1191 (*tbit_and_3): Ditto.
1192 (*tbit_or_2): Ditto.
1193 (*tbit_or_3): Ditto.
1197 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1200 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1202 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1204 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1205 loop_optimizer_init and loop_optimizer_finalize
1206 * tree-ssa-sink.c (execute_sink_code): Ditto.
1207 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1208 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1209 tree_ssa_loop_done): Ditto.
1210 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1211 * sched-ebb.c: Include output.h.
1212 (schedule_ebbs): Do not use dump argument.
1213 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1214 * loop.c (loop_dump_stream): Removed.
1215 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1217 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1218 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1219 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1220 loop_iterations, strength_reduce, record_biv, record_giv,
1221 final_giv_value, check_final_value, check_ext_dependent_givs,
1222 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1223 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1224 dump_file instead of loop_dump_stream.
1225 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1227 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1229 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1230 * haifa-sched.c: Include output.h
1231 (schedule_insns, sched_init): Do not use dump argument.
1232 * mode-switching.c (optimize_mode_switching): Ditto.
1233 * modulo-sched.c (stats_file): Removed.
1234 (print_node_sched_params): Do not call argument dump_file.
1235 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1236 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1238 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1240 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1241 rtl_loop_init, rtl_loop_done): Ditto.
1242 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1243 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1245 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1246 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1247 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1248 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1249 * emit-rtl.c (renumber_insns): Ditto.
1250 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1251 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1252 * regclass.c (regclass): Ditto.
1253 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1254 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1255 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1256 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1258 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1259 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1261 * gcse.c (gcse_file, debug_stderr): Removed.
1262 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1263 rest_of_handle_gcse): Do not use dump argument.
1264 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1265 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1266 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1267 compute_code_hoist_vbeinout, compute_code_hoist_data,
1268 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1269 compute_store_table, build_store_vectors, insert_insn_start_bb,
1270 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1271 store_motion): Use dump_file instead of gcse_file.
1272 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1273 * profile.c (profile_dump_file): Removed.
1274 (branch_prob): Use dump_file instead of profile_dump_file.
1275 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1277 * tree-ssa-copy.c (dump_copy_of): Ditto.
1278 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1279 dump file to life_analysis.
1280 * bt-load.c (branch_target_load_optimize): Ditto.
1281 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1283 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1284 regclass, dbr_schedule): Declaration changed.
1285 * sched-int.h (sched_init): Declaration changed.
1286 * tree-profile.c (tree_profile_dump_file): Removed.
1287 (tree_profile_hooks): Removed profile_dump_file hook.
1288 * rtl-profile (rtl_profile_dump_file): Removed.
1289 (rtl_profile_hooks): emoved profile_dump_file hook.
1290 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1292 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1293 * tree-cfg.c (build_tree_cfg): Ditto.
1294 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1295 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1296 Declaration changed.
1297 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1298 life_analysis and schedule_insns.
1299 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1301 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1303 * config/mips/mips.c (mips_reorg): Ditto.
1304 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1307 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1309 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1310 (s390_mangle_fundamental_type): New.
1311 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1314 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1315 (alpha_mangle_fundamental_type): New.
1316 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1319 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1321 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1323 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1324 (sparc_mangle_fundamental_type): New.
1326 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1328 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1329 (s390x-*-linux*): Likewise.
1330 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1331 * config/s390/t-linux: New file.
1333 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1335 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1336 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1338 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1340 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1341 (ANTIC_SAFE_LOADS): New macro.
1342 (find_or_generate_expression): Add prototype.
1343 (set_contains_value): Allow null set for sake of not always having
1344 to allocate ANTIC_SAFE_LOADS.
1345 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1346 Allow COMPONENT_REF too.
1347 (valid_in_set): Allow COMPONENT_REF.
1348 Check ANTIC_SAFE_LOADS too.
1349 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1350 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1352 (can_PRE_operation): Add COMPONENT_REF.
1353 (create_component_ref_by_pieces): New function.
1354 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1355 (insert_aux): Move AGGREGATE_TYPE_P check here.
1356 (compute_avail): Set bb local stmt uids.
1357 (pass_pre): Use TODO_update_ssa_only_virtuals.
1359 2006-02-06 Ben Elliston <bje@au.ibm.com>
1361 * configure.ac: Unconditionally disable decimal float by default.
1362 * configure: Regenerate.
1364 2006-02-06 Ben Elliston <bje@au.ibm.com>
1366 * read-rtl.c (read_name): Terminate reading on EOF.
1368 2006-02-06 Ben Elliston <bje@au.ibm.com>
1370 * dfp.c (decimal_real_arithmetic): Change second argument type
1371 from int to enum tree_code. Do not always return true, but now
1372 return result of any call to decimal_do helper functions.
1373 * dfp.h (decimal_real_arithmetic): Update prototype.
1375 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1377 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1379 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1382 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1385 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1387 * tree-vrp.c (cfg_loops): Removed.
1388 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1389 Use current_loops instead of cfg_loops. Pass flags to
1390 loop_optimizer_init.
1391 * cfgloopmanip.c (fix_loop_structure): Update only available
1393 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1394 loop_optimizer_init.
1395 * modulo-sched.c (build_loops_structure): Removed.
1396 (sms_schedule): Use loop_optimizer_init.
1397 * loop-init.c (loop_optimizer_init): Use flags to determine
1398 which properties of loops to prepare.
1399 (rtl_loop_init): Pass flags to loop_optimizer_init.
1400 * tree-ssa-sink.c (execute_sink_code): Ditto.
1401 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1402 * tree-ssa-pre.c (init_pre): Ditto.
1403 * cfgloop.h (LOOPS_NORMAL): New.
1404 (loop_optimizer_init): Declaration changed.
1406 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1408 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1409 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1411 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1413 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1415 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1416 * pa/t-pa64: Delete quadlib.c rule.
1417 * pa/x-ada: Revert last change.
1418 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1420 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1422 PR rtl-optimization/26087
1423 * rtlanal.c (canonicalize_condition): Do not cross basic block
1426 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1429 * config/ia64/ia64.c: Include debug.h.
1430 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1431 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1432 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1433 (process_epilogue, process_set, process_for_unwind_directive):
1434 Output unwind info only if requested. Add CFA info if requested.
1435 Add new arguments as needed. Adjust callers.
1436 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1438 (DWARF2_FRAME_INFO): Define to zero.
1439 * config/ia64/unwind-ia64.c: Remove code that compensated for
1440 the CFA offset error fixed above.
1441 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1442 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1443 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1444 -funwind-tables and -fexceptions to enable frame info.
1445 (dwarf2out_frame_init): Define initial CFA even if
1446 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1447 DWARF2_UNWIND_INFO is nonzero, not just defined.
1448 (dwarf2out_frame_finish): Output non-EH call frame info only
1449 if DWARF2_FRAME_INFO is nonzero.
1450 (convert_cfa_to_loc_list,
1451 compute_frame_pointer_to_cfa_displacement): Define even if
1452 unwind info is not supported.
1453 (gen_subprogram_die): Use the above unconditionally. Remove
1454 legacy alternate code.
1455 * toplev.c (compile_file): Compile in call to
1456 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1457 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1459 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1460 Jakub Jelinek <jakub@redhat.com>
1462 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1463 IBM extended float format long double as "g" on powerpc*-linux.
1465 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1468 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1469 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1471 2006-02-03 Jason Merrill <jason@redhat.com>
1474 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1477 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1478 on the return slot if it's an NRV.
1480 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1482 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1483 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1484 rewrite_use): Do not handle USE_OUTER.
1485 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1486 add_iv_outer_candidates, may_replace_final_value,
1487 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1488 (find_interesting_uses_op): Functionality of
1489 find_interesting_uses_outer_or_nonlin moved here.
1490 (find_interesting_uses_outside): Use find_interesting_uses_op.
1492 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1495 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1497 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1498 Ulrich Weigand <uweigand@de.ibm.com>
1501 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1502 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1503 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1504 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1506 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1507 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1508 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1509 Define secondary reloads for TFmode moves.
1510 (constant_modes): Add TFmode.
1511 (NR_C_MODES): Set to 8.
1512 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1514 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1515 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1516 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1517 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1518 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1519 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1520 (FPR mode macro): Add TFmode.
1521 (DSF mode macro): New.
1522 (<de>, <dee> mode attributes): Removed.
1523 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1524 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1525 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1526 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1527 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1528 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1529 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1530 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1531 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1532 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1533 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1534 "*negabs<mode>2", "sqrt<mode>2"):
1535 Changed <de> to <xde>. R constraint replaced by <Rf>.
1536 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1538 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1539 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1540 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1542 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1543 "extenddftf2", "extendsftf2"): New expanders.
1544 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1545 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1546 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1547 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1549 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1550 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1551 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1552 __floatditf): Add a GCC_4.1.0 symbol version tag.
1553 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1556 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1559 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1560 Use targetm.binds_local_p instead of TREE_PUBLIC.
1562 2006-02-02 Roger Sayle <roger@eyesopen.com>
1564 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1565 on INTEGER_TYPEs to indicate that it denotes a character type.
1566 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1567 signed_char_type_node, unsigned_char_type_node and char_type_node.
1568 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1569 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1570 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1572 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1573 Daniel Berlin <dberlin@dberlin.org>
1575 * tree-tailcall.c (arg_needs_copy_p): New function.
1576 (eliminate_tail_call): Use arg_needs_copy_p.
1577 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1578 (add_virtual_phis): New function.
1580 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1582 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1583 #ignore instead of #scratch for %g7 .register directive.
1585 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1587 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1590 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1592 * flow.c (calculate_global_regs_live): Assert that there aren't any
1595 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1597 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1599 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1600 bsi_after_labels iterator.
1601 * tree-if-conv.c (find_phi_replacement_condition,
1602 replace_phi_with_cond_modify_expr): Likewise.
1603 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1604 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1606 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1608 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1610 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1613 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1614 array after growing it.
1616 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1619 * fold-const.c (fold_checksum_tree): Change type of buf.
1621 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1623 * reload.c (push_secondary_reload): Initialize t_icode.
1625 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1627 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1628 -msoft-float -mlong-double-128 only issue a warning, but don't
1629 swich to DFmode long double.
1631 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1633 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1634 has a constant equivalent, iterate over equivalents for arg0,
1635 calling simplify_relational_operation and if there's a result
1636 cheaper than X, apply fold_rtx and return the result.
1638 2006-02-01 Jan Hubicka <jh@suse.cz>
1640 * opts.c (no_unit_at_a_time_default): New global variable.
1641 (decode_options): Use it.
1642 * opts.h (no_unit_at_a_time_default): Declare.
1644 2006-02-01 Paul Brook <paul@codesourcery.com>
1646 * function.c (assign_parm_setup_reg): Use function argument promotion
1648 * expr.c (expand_expr_real_1): Use function argument promotion rules
1651 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1653 * gcc.c (process_command): Change j to 'unsigned int'.
1655 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1658 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1659 Use the corrected index for the character
1660 out of the string constant.
1662 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1664 * mode-switching.c (optimize_mode_switching): Fix size
1665 allocated for bb_info[n_entities].
1667 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1669 * gcc.c (main): Correct type that is allocated for
1670 explicit_link_files.
1672 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1674 * config/s390/s390.c (init_alignment_context): Set
1675 ALIAS_SET_MEMORY_BARRIER on the MEM.
1676 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1678 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1681 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1683 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1686 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1688 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1689 * regrename.c: Ditto.
1690 * tree-ssa-loop-im.c: Ditto.
1691 * tree-dump.c: Ditto.
1692 * tree-complex.c: Ditto.
1693 * genrecog.c: Ditto.
1694 * tree-ssa-threadupdate.c: Ditto.
1696 * java/class.c: Ditto.
1697 * java/jcf-parse.c: Ditto.
1698 * java/resource.c: Ditto.
1699 * java/except.c: Ditto.
1700 * java/jvspec.c: Ditto.
1701 * java/jcf-write.c: Ditto.
1702 * java/jcf-path.c: Ditto.
1703 * java/gjavah.c: Ditto.
1704 * java/zextract.c: Ditto.
1705 * java/jcf-io.c: Ditto.
1706 * java/jcf.h: Ditto.
1707 * java/buffer.c: Ditto.
1708 * java/lang.c: Ditto.
1709 * java/parse-scan.y: Ditto.
1710 * java/lex.c: Ditto.
1711 * java/lex.h: Ditto.
1712 * cfgloopmanip.c: Ditto.
1713 * postreload-gcse.c: Ditto.
1714 * tree-ssa-loop-manip.c: Ditto.
1715 * postreload.c: Ditto.
1716 * tree-ssa-loop-ch.c: Ditto.
1720 * diagnostic.c: Ditto.
1722 * genoutput.c: Ditto.
1724 * cfghooks.c: Ditto.
1725 * cfgloopanal.c: Ditto.
1726 * objc/objc-act.c: Ditto.
1728 * genextract.c: Ditto.
1729 * genautomata.c: Ditto.
1730 * pretty-print.c: Ditto.
1732 * cgraphunit.c: Ditto.
1735 * haifa-sched.c: Ditto.
1736 * dominance.c: Ditto.
1738 * tree-ssa-loop-ivopts.c: Ditto.
1740 * mode-switching.c: Ditto.
1741 * modulo-sched.c: Ditto.
1743 * ipa-pure-const.c: Ditto.
1745 * fix-header.c: Ditto.
1747 * tree-stdarg.c: Ditto.
1748 * ipa-utils.c: Ditto.
1749 * loop-init.c: Ditto.
1750 * ipa-inline.c: Ditto.
1753 * alloc-pool.c: Ditto.
1754 * dwarf2out.c: Ditto.
1756 * genattrtab.c: Ditto.
1757 * tree-ssa-loop-ivcanon.c: Ditto.
1761 * fortran/gfortranspec.c: Ditto.
1763 * local-alloc.c: Ditto.
1764 * langhooks.c: Ditto.
1765 * function.c: Ditto.
1766 * tree-vectorizer.c: Ditto.
1768 * ipa-type-escape.c: Ditto.
1770 * tree-if-conv.c: Ditto.
1773 * tree-data-ref.c: Ditto.
1774 * loop-unroll.c: Ditto.
1775 * treelang/treetree.c: Ditto.
1778 * ggc-common.c: Ditto.
1780 * coverage.c: Ditto.
1782 * tree-cfgcleanup.c: Ditto.
1783 * tree-ssa-pre.c: Ditto.
1784 * cfgcleanup.c: Ditto.
1785 * loop-invariant.c: Ditto.
1787 * ipa-prop.c: Ditto.
1788 * print-tree.c: Ditto.
1789 * conflict.c: Ditto.
1790 * ggc-page.c: Ditto.
1791 * sched-deps.c: Ditto.
1792 * regclass.c: Ditto.
1793 * tree-object-size.c: Ditto.
1795 * bb-reorder.c: Ditto.
1796 * resource.c: Ditto.
1797 * var-tracking.c: Ditto.
1799 * df-problems.c: Ditto.
1800 * reg-stack.c: Ditto.
1803 * sched-rgn.c: Ditto.
1804 * tree-ssa-structalias.c: Ditto.
1805 * tree-ssa-reassoc.c: Ditto.
1806 * config/darwin-c.c: Ditto.
1807 * config/darwin.c: Ditto.
1808 * config/arm/arm.c: Ditto.
1810 * collect2.c: Ditto.
1813 2006-01-31 Nicolas Pitre <nico@cam.org>
1815 * arm.md (smaxsi3): Make aware of smax_m1.
1818 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1820 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1822 2006-01-31 Richard Guenther <rguenther@suse.de>
1824 * doc/invoke.texi (-msselibm): Document.
1825 * target.h (expand_library_builtin): New target hook.
1826 * builtins.c (expand_builtin): Use expand_library_builtin.
1827 (default_expand_library_builtin): New function.
1828 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1829 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1830 (link_gcc_math_spec): Declare.
1831 (static_specs): Add link_gcc_math_spec.
1832 * expr.h (default_expand_library_builtin): Declare.
1833 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1834 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1835 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1836 * config/i386/i386.opt (msselibm): New target option.
1837 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1838 (ix86_init_sse_abi_builtins): New function.
1839 (ix86_expand_library_builtin): Likewise.
1840 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1841 (override_options): Handle error conditions wrt -msselibm.
1842 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1843 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1844 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1847 2006-01-31 Richard Guenther <rguenther@suse.de>
1848 Paolo Bonzini <bonzini@gnu.org>
1850 * doc/install.texi (--disable-libgcc-math): Document.
1852 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1854 * expr.h (expand_normal): new inline function.
1855 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1857 * dwarf2out.c: use it.
1862 * config/sparc/sparc.c: use it.
1863 * config/i386/i386.c: use it.
1864 * config/rs6000/rs6000.c: use it.
1865 * config/arm/arm.c: use it.
1866 * config/mips/mips.c: use it.
1867 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1869 2006-01-30 Roger Sayle <roger@eyesopen.com>
1871 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1872 argv to the appropriate type.
1874 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1876 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1879 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1882 * config/s390/s390.c (struct machine_function): New flag
1883 decomposed_literal_pool_addresses_ok_p.
1884 (s390_reorg): Set it before final stage of literal pool transforms.
1885 (s390_decompose_address): Only accept displacements of the form
1886 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1888 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1890 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1891 the comparison routine return.
1893 2006-01-30 Michael Matz <matz@suse.de>
1895 * global.c (find_reg): Only evict for global regs.
1896 Take n_refs into account and dump more info.
1898 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1901 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1902 (pragma_trap, pragma_nosave_low_regs): Likewise.
1903 (current_function_anonymous_args): Likewise.
1904 (sh_deferred_function_attributes): New variable.
1905 (sh_deferred_function_attributes_tail): Likewise.
1906 (print_operand): For '@', look up trap_exit attribute.
1907 (calc_live_regs): Look up trapa_handler attribute. For trapa
1908 handlers, save/restore fpscr, but don't do any other
1909 interrupt-specific saves.
1910 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1911 Fix check for partially saved registers to check for SHmedia.
1912 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1913 (sh_output_function_epilogue): Don't clear any of the removed
1915 (sh_insert_attributes): Don't check pragma_interrupt.
1916 Insert deferred attributes. Check that interrupt attribute is
1917 present for other attributes that require its presence.
1918 (sh_attribute_table): Add new attributes trapa_handler and
1920 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1921 Don't check for pragma_interrupt. Don't store argument.
1922 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1923 (sh_deferred_function_attributes): Declare.
1924 (sh_deferred_function_attributes_tail): Likewise.
1925 * sh.md (sp_switch_1): Add operand. Change generator caller.
1926 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1927 (*return_i): Don't use when trap_exit attribute is in effect.
1928 (*return_trapa): New insn pattern.
1930 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1931 setting c_target_objs and cxx_target_objs.
1932 * t-sh: Add rule for sh-c.o.
1934 2006-01-30 Richard Guenther <rguenther@suse.de>
1937 * gimplify.c (gimplify_target_expr): Handle easy cases
1938 without creating a temporary.
1940 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1942 * vec.h (safe_grow): Remove duplicated line.
1944 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1947 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1948 (expand_omp): ... here.
1949 (expand_omp_parallel): Only remove barriers for combined
1950 parallel+workshare constructs.
1952 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1956 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1957 * tree.c (build_qualified_type): Chain the new type to the original
1958 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1959 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1960 (build_pointer_type_for_mode): Only return unqualified types.
1961 (build_reference_type_for_mode): Likewise.
1963 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1965 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1966 * Makefile.in (CXX_COMPAT_WARN): Define.
1967 * configure: Regenerate.
1969 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1972 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1975 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1977 * toplev.c: Fix thinko.
1979 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1980 Marcin Dalecki <martin@dalecki.de>
1982 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1983 (push_srcloc): Use XNEW.
1984 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1986 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1988 * df-core.c (df_set_blocks): Deleted all variable.
1990 2006-01-28 Ian Lance Taylor <ian@airs.com>
1992 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1993 cgraph_output_pending_asms.
1995 2006-01-28 Zack Weinberg <zackw@panix.com>
1997 * c.opt: Add -W(no-)overlength-strings.
1998 * doc/invoke.texi: Document it.
1999 * c-opts.c (c_common_handle_option): -pedantic implies
2000 -Woverlength-strings, if not explicitly disabled already.
2001 (c_common_post_options): -Woverlength-strings defaults to off, and
2002 is always off for C++.
2003 * c-common.c (fix_string_type): Issue warning about strings longer
2004 than is portable only if warn_overlength_strings. Rearrange code
2005 a little for clarity.
2006 * configure.in: Check for -Wno-overlength-strings as well before
2007 enabling -pedantic in stage 1.
2008 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2009 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2011 * genconditions.c (write_header, write_one_condition)
2012 (write_conditions, write_writer): Consolidate very long strings
2013 that were broken up to fit in C89 portable limit. Don't use
2014 printf when fputs will do.
2016 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2018 * combine.c (simplify_comparison <AND>): Check
2019 TRULY_NOOP_TRUNCATION before start using a subreg.
2021 * config/mips/mips.md (*branch_zero<mode>,
2022 *branch_zero<mode>_inverted, *branch_equality<mode>,
2023 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2024 Remove mode check from comparisons.
2026 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2028 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2030 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2032 * expmed.c (const_mult_add_overflow_p): Remove.
2033 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2035 * recog.c (validate_replace_rtx_subexp): Remove.
2036 * recog.h: Remove the prototype for
2037 validate_replace_rtx_subexp.
2039 * integrate.h: Remove the prototype for
2040 copy_decl_for_inlining.
2041 * rtl.h: Remove the prototype for mark_constant_function.
2042 * tree-vectorizer.h: Remove the prototype for
2043 vect_strip_conversion.
2045 * modulo-sched.c (create_partial_schedule,
2046 free_partial_schedule, reset_partial_schedule): Make them
2049 * hooks.c (hook_bool_rtx_int_false): Remove.
2050 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2052 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2054 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2055 and -mlong-double-128 are incompatible.
2056 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2057 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2058 (TARGET_LIBGCC2_CFLAGS): Define.
2059 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2060 (TARGET_LIBGCC2_CFLAGS): Same.
2061 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2063 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2066 * c-typeck.c (build_binary_op): Perform implicit casts of
2067 operands before shortening them.
2069 * cfgloopmanip.c (split_loop_bb): Remove.
2070 * cfgloop.h: Remove the prototype for split_loop_bb.
2072 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2073 * cfgloop.h: Remove the prototype for
2074 flow_loop_outside_edge_p.
2076 * emit-rtl.c (init_virtual_regs): Make it static.
2077 * function.h: Remove the prototype for init_virtual_regs.
2079 * recog.c (peephole2_optimize): Make it static.
2080 * recog.h: Remove the prototype for peephole2_optimize.
2082 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2084 * df-scan.c (df_record_entry_block_defs): Check if
2085 INCOMING_RETURN_ADDR_RTX is defined.
2087 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2088 Kenneth Zadeck <zadeck@naturalbridge.com>
2090 PR rtl-optimization/24762
2091 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2092 * targhooks.c (hook_void_bitmap): New hook prototype.
2093 * targhoohs.h (hook_void_bitmap): Ditto.
2094 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2095 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2096 * target.h (live_on_entry): New function pointer.
2097 * df-scan.c (df_all_hard_regs): Removed.
2098 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2099 (df_scan_free_internal): Added df->entry_block_defs.
2100 (df_scan_alloc): Ditto.
2101 (df_scan_dump): Ditto.
2102 (df_uses_record): Plumbed flag field properly thru calls.
2103 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2104 This part fixes PR24762.
2105 (df_bb_refs_record): Added code to make the frame and arg
2106 pointers live in EH blocks.
2107 (df_refs_record): Added call to df_record_entry_block_defs.
2108 (df_record_entry_block_defs): New function.
2109 * df-core.c: Added comments to describe new artifical defs.
2110 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2111 (entry_block_defs): New field in struct df.
2112 (df_all_hard_regs): Deleted.
2113 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2114 * df-problems.c (df_ru_bb_local_compute_process_def):
2115 Added code to handle artifical defs in the entry to a function.
2116 (df_ru_bb_local_compute): Ditto.
2117 (df_rd_bb_local_compute_process_def): Ditto.
2118 (df_rd_bb_local_compute): Ditto.
2119 (df_lr_bb_local_compute): Ditto.
2120 (df_ur_bb_local_compute): Ditto.
2121 (df_urec_bb_local_compute): Ditto.
2122 (df_chain_create_bb): Ditto.
2123 (df_ur_local_finalize): Removed entry.
2124 (df_urec_init): Ditto.
2125 (df_urec_local_finalize): Ditto.
2126 (df_ri_bb_compute): Added detection of last use of pseudos.
2127 * Makefile.in (df-scan.o): Updated dependencies.
2128 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2129 * config/mips/mips.c (mips_set_live_on_entry): Added.
2130 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2132 * dce.c (marked_insn_p): Added code to handle artifical defs.
2134 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2136 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2138 (_mm_cvtsi128_si64): Likewise.
2139 (_mm_cvtsd_si64): Likewise.
2140 (_mm_cvttsd_si64): Likewise.
2141 (_mm_cvtsi64_sd): Likewise.
2142 (_mm_cvtsi64_si128): Likewise.
2143 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2144 (_mm_cvtsi64_m64): Likewise.
2145 (_m_to_int64): Likewise.
2146 (_mm_cvtm64_si64): Likewise.
2147 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2148 (_mm_cvttss_si64): Likewise.
2149 (_mm_cvtsi64_ss): Likewise.
2150 (_mm_cvtss_f32): Likewise.
2152 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2154 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2155 for pragma redefine_extname.
2157 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2160 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2161 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2162 -mno-minimal-toc to previous content.
2163 (bispecs): Remove goal.
2164 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2165 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2166 compatibility aliases on powerpc-*-*gnu*.
2167 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2168 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2169 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2170 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2171 (ldblspecs): New goal.
2172 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2173 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2175 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2176 L_sf_to_tf or L_df_to_tf is defined.
2178 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2179 Alan Modra <amodra@bigpond.net.au>
2182 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2183 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2184 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2185 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2186 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2187 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2188 (rs6000_override_options): Initialize rs6000_ieeequad.
2189 Initialize TFmode format to ibm_extended_format if not
2191 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2193 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2194 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2195 (function_arg_advance): IBM long double passed in two FPRs, not
2197 (function_arg): IBM long double passed in FPRs.
2198 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2199 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2200 Only multireg GPR aligned.
2201 (rs6000_init_libfuncs): Enable IBM long double functions if not
2203 (rs6000_generate_compare): Use IBM long double compare if not
2205 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2206 (TARGET_IEEEQUAD): Define.
2207 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2208 not TARGET_IEEEQUAD.
2209 * config/rs6000/rs6000.md: Enable TFmode patterns if
2211 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2212 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2213 and -mlong-double-128 are incompatible.
2214 * doc/invoke.texi (-mabi): Collect options together. Add
2215 ibmlongdouble and ieeelongdouble.
2217 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2219 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2221 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2222 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2223 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2224 * rtl.h (rtunion_def): Remove rt_ptr.
2226 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2227 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2228 * config/i386/winnt.c (i386_pe_mark_dllexport)
2229 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2231 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2233 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2235 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2239 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2240 pthread_key_delete. From John David Anglin. gthrw-ify
2241 pthread_getunique_np only if it it's not a macro. Delete
2243 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2244 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2245 __gthread_objc_condition_signal, __gthread_key_delete): Add
2246 "__attribute__ ((__unused__))" to unused arguments.
2247 (__gthread_recursive_mutex_init_function): Add missing return.
2248 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2249 gthr-posix95.h: Use macro-based approach for name redirection
2250 on targets missing weakref.
2252 2006-01-26 Zack Weinberg <zackw@panix.com>
2254 * genconditions.c (write_header): In generated code, #ifdef out
2255 all includes and fake declarations, except includes of bconfig.h
2256 and system.h, unless GCC_VERSION >= 3001. Do not include
2257 gensupport.h in any case.
2258 (write_conditions): Generate a definition of struct c_test. Add
2259 a comment to the generated #endif.
2260 (write_one_condition): Escape backslashes in string too.
2261 (write_writer): Generated code must escape backslashes and quote
2262 marks (but not newlines) in the strings it writes.
2263 * Makefile.in (build/gencondmd.o): Update dependencies.
2265 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2268 * Makefile.in (insn-automata.o): Add header file dependencies.
2269 * genautomata.c: Add includes.
2271 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2274 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2276 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2278 * configure.ac: Expect target tools paths to be passed from the toplevel
2279 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2281 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2283 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2286 * c.opt (Wpointer-sign): Init to -1.
2287 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2288 OPT_pedantic, to 0 otherwise.
2289 * doc/invoke.texi: Update.
2291 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2293 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2294 constants provided by 80387 instructions in the destination mode.
2296 2006-01-26 Richard Guenther <rguenther@suse.de>
2297 Andrew Pinski <pinskia@physics.uc.edu>
2300 partial PR tree-opt/17064
2301 * tree-ssa-structalias.c (intra_create_variable_infos):
2302 Create heap variables for incoming parameters if
2303 flag_argument_noalias > 1.
2304 (find_what_p_points_to): Look through default defs of
2307 2006-01-26 Jeff Law <law@redhat.com>
2310 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2311 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2312 within the VR_RANGE, use the VR_RANGE as the result, not the
2314 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2315 bounds for the type.
2317 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2319 * tree-ssa-alias.c (maybe_create_global_var): Change
2320 subvar walking to an assertion that we don't have subvar'd variables.
2322 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2325 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2326 Use a new variable, inner. PARM_DECLs are always non-weak.
2328 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2330 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2333 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2335 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2337 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2339 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2340 (smax_insn, smin_insn, smax_0, smin_0): New.
2342 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2345 * config/cris/cris.c (cris_order_for_addsi3): New function.
2346 * config/cris/cris-protos.h: Prototype it.
2347 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2348 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2349 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2350 (split for "op.S1 [rx=rx+i],ry (swapped)")
2351 (split for "op(s|u).S1 [rx=rx+i],ry")
2352 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2353 Apply cris_order_for_addsi3 when generating addsi3 insns.
2355 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2357 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2358 (TREE_BLOCK): Add call to EXPR_CHECK.
2360 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2363 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2364 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2365 (dump_omp_clauses): ... here.
2366 (dump_generic_node): Handle OMP_CLAUSE.
2367 * tree.c (omp_clause_num_ops): New.
2368 (omp_clause_code_name): New.
2369 (tree_code_size): Handle OMP_CLAUSE.
2370 (tree_size): Likewise.
2371 (make_node): Document handling of OMP_CLAUSE.
2372 (tree_node_structure): Handle OMP_CLAUSE.
2373 (omp_clause_check_failed): New.
2374 (omp_clause_range_check_failed): New.
2375 (omp_clause_operand_check_failed): New.
2376 (build_omp_clause): New.
2377 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2378 * tree.h (enum omp_clause_code): Declare.
2379 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2380 (OMP_CLAUSE_RANGE_CHECK): Define.
2381 (OMP_CLAUSE_ELT_CHECK): Define.
2382 (omp_clause_check_failed): Declare.
2383 (omp_clause_operand_check_failed): Declare.
2384 (omp_clause_range_check_failed): Declare.
2385 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2386 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2387 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2388 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2389 (OMP_CLAUSE_IF_EXPR): Likewise.
2390 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2391 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2392 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2393 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2394 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2395 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2396 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2397 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2398 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2399 (OMP_CLAUSE_CODE): Define.
2400 (OMP_CLAUSE_SET_CODE): Define.
2401 (OMP_CLAUSE_CODE): Define.
2402 (OMP_CLAUSE_OPERAND): Define.
2403 (struct tree_omp_clause): Declare.
2404 (union tree_node): Add field 'omp_clause'.
2405 * treestruct.def (TS_OMP_CLAUSE): Define.
2406 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2407 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2408 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2409 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2410 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2411 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2412 (OMP_CLAUSE): Define.
2413 * print-tree.c (print_node): Handle OMP_CLAUSE.
2414 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2415 * c-typeck.c: Likewise.
2416 * gimplify.c: Likewise.
2417 * c-omp.c: Likewise.
2418 * tree-nested.c: Likewise.
2419 * tree-inline.c: Likewise.
2420 * c-parser.c: Likewise.
2421 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2424 2006-01-25 Roger Sayle <roger@eyesopen.com>
2426 PR rtl-optimization/25703
2427 * combine.c (try_combine): Handle zero_extract and strict_low_part
2428 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2430 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2432 * global.c: Fix comment typos.
2434 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2437 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2438 Use output_addr_const instead of assemble_name.
2440 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2442 * Makefile.in (sched-vis.o): Update dependencies.
2443 * haifa-sched.c (sched_finish): Clear current_sched_info.
2444 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2445 (dump_flow_info): Call it.
2446 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2448 * basic-block.h (dump_bb_info): Declare.
2449 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2450 option, and apply options only for dump files whose TDF_RTL,
2451 TDF_TREE, or TDF_IPA bits match.
2452 * rtl.h: Declare new functions exported from sched-vis.c.
2453 * sched-vis.c: Enable also if scheduling is not used.
2454 (print_value): Print the mode of registers if not inside scheduling.
2455 (print_insn): Make it work outside the scheduler. Beautify the output
2457 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2459 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2461 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2462 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2463 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2464 depending on the value of CONSTANT_POOL_ADDRESS_P.
2465 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2467 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2468 rather than SYMBOL_REF_DECL.
2469 (rtx_constant_pool): Remove const_rtx_sym_htab.
2470 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2471 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2472 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2473 Remove handling of const_rtx_sym_htab.
2474 (find_pool_constant): Delete.
2475 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2476 rather than find_pool_constant.
2477 (get_pool_constant_for_function): Delete.
2478 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2480 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2481 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2482 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2483 (SYMBOL_REF_CONSTANT): New macro.
2484 (get_pool_constant_for_function): Delete.
2485 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2486 rather than SYMBOL_REF_DECL.
2487 (i386_pe_mark_dllimport): Likewise.
2488 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2489 rather than SYMBOL_REF_DECL.
2490 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2491 (machopic_indirect_call_target): Likewise.
2493 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2495 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2497 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2499 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2501 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2503 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2505 2006-01-24 David Daney <ddaney@avtrex.com>
2508 * configure.ac (enable_tls): New enable option.
2509 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2510 * configure: Regenerate.
2511 * doc/install.texi (--enable-tls): Document new option.
2512 (--disable-tls): Ditto.
2514 2006-01-24 Richard Henderson <rth@redehat.com>
2516 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2517 * alias.c (true_dependence): Respect it.
2518 (canon_true_dependence, write_dependence_p): Likewise.
2519 * builtins.c (get_builtin_sync_mem): Set it.
2521 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2523 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2526 2006-01-24 DJ Delorie <dj@redhat.com>
2528 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2529 for storing constants in single-bit bitfields.
2531 2006-01-25 Ben Elliston <bje@au.ibm.com>
2533 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2535 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2538 * tree-ssa-pre.c (phi_translate): Return NULL
2539 for AGGREGATE_TYPE's.
2541 2006-01-24 Zack Weinberg <zackw@panix.com>
2543 * genautomata.c (process_state_for_insn_equiv_partition):
2544 Use xcalloc for insn_arcs_array.
2545 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2546 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2548 2006-01-24 Richard Henderson <rth@redhat.com>
2550 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2553 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2555 PR rtl-optimization/25890
2556 PR rtl-optimization/25905
2557 * combine.c (expand_compound_operation, expand_field_assignment):
2558 Fail if the bitfield's final position is out of bounds.
2560 2006-01-24 Ian Lance Taylor <ian@airs.com>
2563 * cgraphunit.c (cgraph_output_in_order): Don't clear
2564 cgraph_asm_nodes until after asm strings have been output.
2566 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2568 * fix-header.c (read_scan_file): Add new parameter imultilib when
2569 calling register_include_chains.
2571 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2573 * omp-low.c: Update documentation.
2575 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2576 Daniel Berlin <dberlin@dberlin.org>
2580 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2581 return from the function.
2583 2006-01-22 Zack Weinberg <zackw@panix.com>
2585 * rtl.def (match_code): Add second argument.
2586 * genpreds.c (write_extract_subexp): New function.
2587 (write_match_code): Add path argument. Use write_extract_subexp.
2588 (write_predicate_expr): Pass path to write_match_code.
2589 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2590 not perform a mode test.
2591 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2592 a subexpression does not constrain the top-level code set.
2593 * read-rtl.c (read_rtx_variadic): New function.
2594 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2595 * doc/md.texi: Document new notation.
2596 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2597 (cmpsi_operand): ... here, using new notation.
2599 2006-01-22 Zack Weinberg <zackw@panix.com>
2601 * varray.c: Remove GENERATOR_FILE #ifdefs.
2603 2006-01-22 Zack Weinberg <zackw@panix.com>
2605 * genautomata.c (output_reserved_units_table): Emit nothing if
2606 description->query_units_num is zero. Remove extra blank line.
2607 (output_cpu_unit_reservation_p): Short circuit
2608 if description->query_units_num is zero.
2610 2006-01-22 Zack Weinberg <zackw@panix.com>
2612 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2613 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2614 nor any of the random handful of variables that used to be necessary
2615 when this program was linked with rtlanal.o. Prune set of forward
2616 function declarations.
2617 (struct attr_desc): Remove static_p field.
2618 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2619 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2620 (attr_string): Do not read the character one past the length of
2622 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2623 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2624 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2625 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2626 (make_automaton_attrs): New.
2627 (main): Do not call into genautomata. Call local gen_bypass
2628 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2629 Remove special case for insn_alts.
2630 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2631 varray.h (leftover from previous change). Prune set of forward
2632 function declarations. Remove state_alts fields from all
2633 structures. Remove state_alts_table from struct automaton.
2634 Make everything except main static. Do not maintain num_dfa_decls.
2635 Do not maintain state_alts fields of various structures.
2636 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2637 (add_arc): Remove state_alts argument. All callers updated.
2638 (output_reserved_units_table): Emit #ifdef here...
2639 (output_tables): ...not here. Don't generate state_alts tables.
2640 (expand_automata): Don't generate attributes.
2641 (write_automata): Don't generate state_alts functions.
2642 (main): New function.
2643 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2644 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2645 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2646 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2647 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2648 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2649 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2650 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2652 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2653 * genattrtab.h: Delete file.
2654 * Makefile.in (OBJS-common): Add insn-automata.o.
2655 (insn-automata.o): New rule.
2656 (simple_generated_c): Add insn-automata.c.
2657 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2658 (genprogmd): Add automata.
2659 (build/genattrtab): Needs no extra objects nor libraries.
2660 (build/genautomata): Needs build/vec.o and -lm.
2662 2006-01-22 Zack Weinberg <zackw@panix.com>
2664 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2665 (output_dfa_max_issue_rate, locked_states_num): Delete.
2666 (struct automaton): Add locked_states field.
2667 (output_dead_lock_vect): Save number of locked states in
2668 automaton->locked_states. If it is zero, don't print anything.
2669 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2670 (output_internal_dead_lock_func): Only test the dead_lock_vect
2671 for automata that have locked states.
2672 (output_statistics): Always print the number of locked states for
2673 each automaton. Calculate total number of locked states here.
2674 (write_automata): Don't call output_dfa_max_issue_rate.
2675 * genattrtab.c: Define length_unit_log as a const variable.
2676 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2677 max_insn_queue_index const.
2678 * final.c (length_unit_log): Declare const.
2679 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2681 2006-01-22 Zack Weinberg <zackw@panix.com>
2683 * genautomata.c: Include vec.h, not varray.h.
2684 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2685 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2686 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2687 VEC_* macros operating on appropriately typed vectors, or to
2688 malloced arrays when the size is known in advance. Const-ify
2689 many char* variables and function arguments. No functional changes.
2690 * Makefile.in (build/varray.o): Delete rule.
2691 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2692 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2694 2006-01-22 Zack Weinberg <zackw@panix.com>
2696 * gensupport.c: Define get_insn_name and record_insn_name here.
2697 (read_md_rtx): Call record_insn_name as appropriate.
2698 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2699 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2700 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2702 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2703 (BUILD_VARRAY): Delete.
2704 (genprognormal): Rename genprogmd. Fold in all programs from
2705 genprognoprint; also attrtab.
2706 (build/genattrtab): Just mention genautomata.o and varray.o.
2707 Reorganize a bit, add comments to make the categories clearer.
2709 2006-01-22 Zack Weinberg <zackw@panix.com>
2711 * genconditions.c (condition_table, add_condition): Delete.
2712 (write_conditions): Don't emit n_insn_conditions nor
2713 insn_elision_unavailable. Issue the gcc version #ifdef here,
2714 inside the table, with no #else clause ...
2715 (write_header): ...not here.
2716 (write_writer): New function.
2717 (main): Don't initialize condition_table. Use add_c_test.
2719 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2720 files on the command line.
2721 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2722 Return -1 if there is no entry in the table, don't abort.
2723 (add_c_test, traverse_c_tests): New functions.
2724 * gensupport.h (insn_elision_unavailable, insn_conditions)
2725 (n_insn_conditions): Delete declarations.
2726 (add_c_test, traverse_c_tests): Declare.
2727 * read-rtl.c: Include gensupport.h.
2728 (read_conditions): New function.
2729 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2730 (read_rtx_1): If we get EOF when we were looking for an initial
2731 open paren, return 0. Call read_conditions when appropriate.
2732 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2733 dummy-conditions.o. Eliminate references to insn-conditions.o,
2734 or change them to build/gencondmd.o, as appropriate. Remove
2735 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2736 from $(simple_generated_c). For all files remaining in those
2737 two lists, add insn-conditions.md to the generator command line.
2738 Give insn-constants.h/s-constants their own rules. Add rules
2739 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2740 (build/read-rtl.o): Depend on gensupport.h.
2741 (genprognormal): Include preds.
2742 (genprogearly): Rename genprognoprint; only difference is now that
2743 they don't link with $(BUILD_PRINT).
2744 * dummy-conditions.c: Delete.
2746 2006-01-22 Zack Weinberg <zackw@panix.com>
2748 * genextract.c: Don't include insn-config.h. Do include vec.h.
2749 Declare vectors of int, char, and locstr.
2750 (locstr): New typedef.
2751 (struct extraction): Make all array fields into bare pointers.
2752 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2753 (insn_code_number): Delete.
2754 (accum_extract): New struct.
2755 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2756 (gen_insn): Take insn_code_number as an argument. Use an
2757 accum_extract structure instead of loading data directly into
2758 a struct extraction, and having to know how big it might get.
2759 (walk_rtx): Operate entirely on an accum_extract structure.
2760 (print_path): Avoid unnecessary use of printf.
2761 (print_header): New function, split out of main. Distinguish
2762 more carefully between an unrecognizable insn and an insn that
2763 has the code number of a define_expand.
2764 (main): Pass insn_code_number to gen_insn. Call print_header
2765 only after parsing. Avoid unnecessary use of printf.
2766 * Makefile.in (build/vec.o): New rule.
2767 (build/genextract): Depend on build/vec.o.
2768 (build/genextract.o): Don't depend on insn-config.h.
2770 2006-01-22 Zack Weinberg <zackw@panix.com>
2772 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2773 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2774 practical. Eliminate per-generator-program link rules.
2776 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2779 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2780 with a call expr to ...
2781 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2783 2006-01-23 Richard Guenther <rguenther@suse.de>
2785 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2786 before make_edge with conditional EDGE_TRUE_VALUE.
2788 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2789 Jan Hubicka <jh@suse.cz>
2790 Richard Guenther <rguenther@suse.de>
2792 PR rtl-optimization/25654
2793 * cfgexpand.c (aggregate_contains_union_type): New function.
2794 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2795 for structure variables that contain a union type.
2797 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2799 * gengtype.c (new_structure): Return the structure.
2800 (create_option): Add an extra "next" argument.
2801 (create_field): New function.
2802 (adjust_field_rtx_def): Use create_option and create_field.
2803 Remove a now-unnecessary call to find_structure.
2804 (adjust_field_tree_def): Likewise.
2805 (note_yacc_type): Remove an unnecessary call to find_structure.
2806 * gengtype.h (new_structure): Return the structure.
2807 (create_option): Add an extra argument.
2808 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2809 (option): Adjust calls to create_option.
2811 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2813 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2815 2006-01-22 Paul Brook <paul@codesourcery.com>
2816 Peter Barada <peter@the-baradas.com>
2818 * config/m68k/m68k.md: Add Coldfire FPU support.
2819 Define FP mode macro and associated attributes.
2820 Use it for float mode patterns.
2821 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2822 (LIBCALL_VALUE): Use m68k_libcall_value.
2823 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2824 (m68k_function_value): Ditto.
2825 (emit_move_sequence): Ditto.
2826 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2827 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2828 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2829 (MULTILIB_EXCEPTIONS): Ditto.
2830 * config/m68k/m68k.opt: Add mcfv4e.
2831 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2832 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2833 (m68k_output_function_prologue): Save ColdFire FPU registers.
2834 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2835 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2836 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2837 ColdFire FPU registers.
2838 (m68k_libcall_value, m68k_function_value): New functions.
2839 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2840 (LIBCALL_VALUE): Use m68k_libcall_value.
2841 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2842 (MASK_COLDFIRE): Add MASK_CFV4E.
2843 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2844 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2845 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2846 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2847 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2848 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2849 * doc/invoke.tex: Document -mcfv4e on m68k.
2851 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2853 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2856 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2859 * c-opts.c (c_common_handle_option): Don't include
2860 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2861 * doc/invoke.texi (C++ Dialect Options): Document that
2862 -Wnon-virtual-dtor is no longer included in -Wall.
2864 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2866 * gcov.c (print_version), gcov-dump.c (print_version),
2867 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2870 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2872 * df-scan.c (problem_SCAN): Added NULL reset function.
2873 (df_scan_reset_blocks): Added code to call reset block function
2874 (df_bb_refs_delete) Fixed comment.
2875 (df_insn_refs_delete): Made tolerant of deleting non existent info
2876 for dataflow problems that need to be reset.
2877 * df-core.c (df_set_blocks): Ditto.
2878 * df.h (struct df_problem): Added reset_fun.
2879 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2880 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2881 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2882 functions to clear out all references to def-use or use-def chains.
2884 2006-01-21 Ben Elliston <bje@au.ibm.com>
2886 * varasm.c (assemble_real): Initialise data array.
2888 2006-01-20 Paul Brook <paul@codesourcery.com>
2890 Merge from csl-arm-branch.
2891 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2892 * config/arm/arm.md (movdi): Force operands[1] to a register
2893 if we have a non-register source.
2894 (*arm_movdi, *movdf_soft_insn): Require that one of the
2895 operands be a register.
2896 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2897 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2899 2006-01-20 DJ Delorie <dj@redhat.com>
2901 * varasm.c (initialize_constant_valid_p): Allow pointers
2902 initialized from integer constants of lesser precision.
2903 (output_constant): Allow non-int-sized pointer modes to be
2904 initialized from integer constants.
2906 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2909 * cppdefault.h (struct default_include): Add multilib flag.
2910 * cppdefault.c (cpp_include_defaults): Set it.
2911 * c.opt (-imultilib): New option.
2912 * c-opts.c (imultilib): New.
2913 (c_common_handle_option): Handle -imultilib.
2914 (c_common_post_options): Likewise.
2915 * c-incpath.c (add_standard_paths, register_include_chains):
2917 * c-incpath.h (register_include_chains): Add extra parameter.
2918 * gcc.c (do_spec_1): Generate -imultilib option.
2919 (The Specs Language): Update %I description.
2920 (process_command): Update copyright notice.
2921 * doc/cppopts.texi (-imultilib): Document.
2922 * doc/invoke.texi (-imultilib): Include in option summary.
2923 (%I): Update specs documentation.
2925 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2927 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2929 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2931 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2934 2006-01-20 Richard Guenther <rguenther@suse.de>
2935 Steven Bosscher <stevenb.gcc@gmail.com>
2937 PR rtl-optimization/24626
2938 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2939 EDGE_TRUE_VALUE if in RTL mode.
2942 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2943 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2945 2006-01-20 Dirk Mueller <dmueller@suse.com>
2948 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2949 instead of a special NOP marker.
2950 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2951 NOP marker handling.
2952 * c-common.h (empty_body_warning): Add forward declaration.
2953 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2954 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2956 2006-01-20 Paul Brook <paul@codesourcery.com>
2958 * Makefile.in (lang_checks): Keep going if mkdir fails.
2960 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2962 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2963 be able to clean out basic block when not necessary.
2964 (df_scan_free): Fixed to properly delete information if df is
2965 unused before calling df_finish.
2966 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2967 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2969 (df_bb_refs_delete): New function.
2970 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2971 * df-core.c (df_set_blocks): Added code to properly clean out
2972 unused blocks if they are not part of the blocks to consider.
2973 Added additional null check.
2974 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2975 be able to clean out basic block when not necessary
2976 * df.h (df_free_bb_function): Ditto.
2977 (df_bb_refs_delete): New function.
2978 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2979 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2980 basic block parameter to be able to clean out basic block when not
2982 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2983 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2984 Fixed to properly delete information if df is unused before
2987 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2989 PR rtl-optimization/25799
2990 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2991 Corrected confluence operator to remove bits from op2 before oring
2992 with op1 rather than removing bits from op1.
2993 (df_ru_transfer_function): Corrected test on wrong bitmap which
2994 caused infinite loop. Both of these problems were introduced in
2995 the dataflow rewrite.
2997 2006-01-19 DJ Delorie <dj@redhat.com>
2999 * reload1.c (find_reload_regs): Note the details of reload
3000 failures in the dump file.
3001 (spill_failure): Likewise.
3003 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3005 * loop-iv.c: Include df.h and hashtab.h.
3006 (enum iv_grd_result): New enum.
3007 (DF_REF_IV, DF_REF_IV_SET): New macros.
3008 (struct biv_entry): New.
3009 (df, bivs): New global variables.
3010 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3011 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3013 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3014 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3015 analyzed_for_bivness_p, record_biv): New functions.
3016 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3017 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3018 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3020 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3022 (iv_number_of_iterations): Use new interface to iv analysis.
3023 * loop-unroll.c: Do not include varray.h.
3024 (analyze_iv_to_split_insn): Use new interface to iv
3026 * loop-unswitch.c (may_unswitch_on): Ditto.
3027 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3029 (df_bb_modify): Realloc tables to the new index.
3030 (df_find_use): New function.
3031 * df.h (df_find_use): Declare.
3032 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3034 * cfgloop.h (struct rtx_iv): Remove analysed field.
3035 (iv_get_reaching_def): Removed.
3036 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3037 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3038 (loop-iv.o): Add df.h and hashtab.h dependency.
3039 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3041 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3044 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3046 (__floatundisf, __floatundidf): Likewise.
3047 * libgcc2.h (IS_IBM_EXTENDED): Define.
3049 2006-01-19 DJ Delorie <dj@redhat.com>
3051 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3053 2006-01-19 Paul Brook <paul@codesourcery.com>
3055 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3056 as nothrow when unwinding tables are disabled.
3058 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3061 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3062 of bit-field" when in system header.
3064 2006-01-19 DJ Delorie <dj@redhat.com>
3066 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3067 the 16 bit shift limit of the m16c.
3069 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3072 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3073 * config/i386/i386.c (output_set_got): Output the label if we have one
3074 for the TARGET_DEEP_BRANCH_PREDICTION case.
3076 2006-01-19 Jan Hubicka <jh@suse.cz>
3077 H.J. Lu <hongjiu.lu@intel.com>
3078 Evandro Menezes <evandro.menezes@amd.com>
3080 * invoke.texi (generic): Document
3082 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3083 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3084 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3085 (x86_use_incdec, x86_pad_returns): New variables
3086 (TARGET_CPU_DEFAULT_generic): New constant
3087 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3088 (enum processor_type): Add generic32 and generic64.
3089 * i386.md (cpu attribute): Add generic32/generic64
3090 (movhi splitter): Behave sanely when both partial_reg_dependency and
3091 partial_reg_stall are set.
3092 (K8 splitters): Enable for generic as well.
3093 * predicates.md (incdec_operand): Use TARGET_INCDEC
3094 (aligned_operand): Avoid memory mismatch stalls.
3095 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3096 * ppro.md: Enable for generic32
3097 * i386.c (generic64_cost, generic32_cost): New.
3098 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3099 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3100 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3101 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3102 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3103 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3104 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3105 x86_accumulate_outgoing_args, x86_prologue_using_move,
3106 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3107 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3109 (x86_use_incdec, x86_pad_returns): New.
3110 (override_options): Add generic32 and generic64, translate "generic"
3111 to generic32/generic64 and "i686" to "generic32", refuse
3112 "generic32"/"generic64" as arch target.
3113 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3114 (ix86_reorg): Honor PAD_RETURNS.
3116 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3118 * tree-pretty-print.c (dump_generic_node): Handle
3119 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3120 * cgraph.c (cgraph_expand_queue): Rename from
3121 cgraph_analyze_queue. Update all users.
3122 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3123 cgraph_expand_queue.
3124 (cgraph_expand_all_functions): Likewise.
3125 (cgraph_finalize_pending_functions): Remove. Update callers.
3127 * tree.h (OMP_DIRECTIVE_P): Define.
3128 (OMP_PARALLEL_FN): Define.
3129 (OMP_PARALLEL_DATA_ARG): Define.
3130 (OMP_SECTIONS_SECTIONS): Define.
3131 * tree-pass.h (pass_expand_omp): Declare.
3132 * omp-low.c (struct omp_region): Declare.
3133 (struct omp_context): Remove fields 'parallel_type',
3134 'parallel_start_ix' and 'parallel_start_additional_args'.
3136 (struct omp_for_data): Rename from struct expand_omp_for_data.
3137 (omp_regions): New static variable.
3138 (root_omp_region): New static variable.
3139 (find_omp_clause): Make static.
3140 (is_in_combined_parallel_ctx): Remove.
3141 (is_combined_parallel): New.
3142 (extract_omp_for_data): Move earlier in the file.
3143 (workshare_safe_to_combine_p): New.
3144 (get_ws_args_for): New.
3145 (determine_parallel_type): Move earlier in the file.
3146 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3148 (omp_copy_decl): Likewise.
3149 (create_omp_child_function): Likewise.
3150 (lookup_omp_region): New.
3151 (dump_omp_region): New.
3152 (debug_omp_region): New.
3153 (debug_all_omp_regions): New.
3154 (new_omp_region): New.
3155 (scan_omp_parallel): If parallel_nesting_level > 1, the
3156 directive is nested within another parallel directive.
3157 Set OMP_PARALLEL_FN.
3158 (scan_omp_for): Do not try to handle combined parallel+for
3160 Remove FIXME comment.
3161 (scan_omp_nested): Remove.
3162 (scan_omp_1): Do not call scan_omp_nested when
3163 parallel_nesting_level is > 1.
3164 Do not change the DECL_CONTEXT of local variables found.
3165 (lookup_decl_in_outer_ctx): New.
3166 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3167 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3168 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3169 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3170 If CTX is nested, lookup VAR in the outer context when
3171 building copy assignment.
3172 (lower_send_clauses): Rename from expand_send_clauses.
3173 If CTX is nested, lookup VAR in the outer context when
3174 building copy assignments.
3175 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3176 If CTX is nested, lookup VAR in the outer context when
3177 building copy assignments.
3178 (expand_parallel_call): Rename from build_parallel_call.
3179 Handle combined parallel+workshare cases.
3180 Re-implement to emit code into the CFG.
3182 (expand_omp_parallel): Re-implement to emit code into the CFG.
3183 Call move_sese_region_to_fn to outline the sub-graph
3184 containing the parallel region.
3185 (expand_omp_for_1): Remove.
3186 (expand_omp_for_generic): Re-implement to emit code into the
3188 (expand_omp_for_static_nochunk): Likewise.
3189 (expand_omp_for_static_chunk): Likewise.
3190 (expand_omp_for): Likewise.
3191 (expand_omp_sections): Likewise.
3192 (remove_exit_barriers): New.
3193 (expand_omp_synch): New.
3195 (build_omp_regions_1): New.
3196 (build_omp_regions): New.
3197 (execute_expand_omp): New.
3198 (gate_expand_omp): New.
3199 (pass_expand_omp): Define.
3200 (lower_omp_sections): Rename from expand_omp_sections.
3201 Set OMP_SECTIONS_SECTIONS.
3202 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3203 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3204 (lower_omp_single): Rename from expand_omp_simple.
3205 (lower_omp_master): Rename from expand_omp_master.
3206 (lower_omp_ordered): Rename from expand_omp_ordered.
3207 (lower_omp_critical): Rename from expand_omp_critical.
3208 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3209 (lower_omp_for): Re-implement.
3210 (lower_omp_parallel): Re-implement.
3211 (lower_regimplify): Rename from expand_regimplify.
3212 (lower_omp_1): Rename from expand_omp_1.
3213 If there are syntax errors in the program, replace every
3214 OpenMP directive with NOP.
3215 Call lower_omp_* instead of expand_omp_*.
3216 (lower_omp): Rename from expand_omp.
3218 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3219 * tree-gimple.h (enum omp_parallel_type): Remove.
3220 (gimple_boolify): Declare extern.
3221 (find_omp_clause, determine_parallel_type): Remove.
3223 * gimple-low.c (lower_omp_directive): New.
3224 (lower_stmt): Call it.
3225 (record_vars_into): Move from ...
3226 (record_vars): ... here.
3227 Call record_vars_into with current_function_decl.
3229 * gimplify.c (struct gimplify_ctx): Remove fields
3230 combined_pre_p and combined_ctxp. Update users.
3231 (get_formal_tmp_var): Add documentation.
3232 (gimple_boolify): Make extern.
3233 (gimplify_expr_in_ctx): Remove. Update callers.
3234 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3235 will always be a BIND_EXPR.
3236 (gimplify_expr): Handle OMP_RETURN_EXPR.
3237 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3238 (OMP_PARALLEL): Add 3 operands.
3239 (OMP_SECTIONS): Add 1 operand.
3240 (OMP_RETURN_EXPR): Define.
3242 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3243 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3244 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3245 creating a circular free list.
3246 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3248 * tree-flow.h (move_sese_region_to_fn): Declare.
3249 (record_vars_into): Declare.
3250 * tree-cfg.c (make_omp_sections_edges): New.
3251 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3252 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3253 OMP_SECTIONS and OMP_SECTION.
3254 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3255 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3256 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3257 (gather_blocks_in_sese_region): New.
3258 (struct move_stmt_d): Declare.
3260 (move_block_to_fn): New.
3261 (move_sese_region_to_fn): New.
3263 * passes.c (init_optimization_passes): Schedule
3264 pass_expand_omp after pass_init_datastructures.
3266 * tree-ssa-operands.c (get_expr_operands): Handle
3267 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3268 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3270 2006-01-19 Jeff Law <law@redhat.com>
3272 * tree-vrp.c (extract_range_from_assert): Refine the result range
3273 if the variable referenced by the ASSERT_EXPR has a range and
3274 either the tentative result range or the previous range is a
3277 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3279 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3281 2006-01-19 Jan Hubicka <jh@suse.cz>
3283 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3285 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3287 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3288 (expand_compound_operation, expand_field_assignment): Fail if the
3289 bit lengths of an extract operation are out of range.
3290 (make_extraction): Compute wanted_inner_mode based on the position
3291 and length of the extraction. Make it extraction_mode for non-constant
3292 positions, and do not modify offset in that case. When generating a
3293 new MEM, use a mode that can hold the extraction while keeping correct
3294 alignment. Remove code that supported MEMs wrapped by USEs.
3295 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3297 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3299 * config/s390/s390.md ("Y", "y"): New mode attribute.
3300 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3301 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3302 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3303 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3304 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3305 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3306 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3307 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3308 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3309 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3310 "addsi3", "subsi3"): Insn patterns removed.
3311 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3312 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3313 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3314 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3315 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3316 "*sub<mode>3_cconly2"): New insn patterns.
3317 ("addsi3", "subsi3"): New expanders.
3319 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3321 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3322 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3323 existing STMT_VINFO_VECTYPE if available.
3324 (vect_mark_relevant): Add special handling for stmts that are
3325 marked as STMT_VINFO_IN_PATTERN_P.
3326 (vect_analyze_loop): Call vect_pattern_recog.
3327 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3328 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3330 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3331 (vect_recog_func_ptr): New function-pointer type.
3332 * tree-vect-patterns.c: New file.
3333 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3334 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3335 (vect_pattern_recog_1): New functions.
3336 (vect_pattern_recog_funcs): New array of function pointers.
3338 * tree-vectorizer.h (ternary_op): New enum value.
3339 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3340 declaration. Revised documentation. Removed redundant dump prints.
3341 Removed redundant argument. Added support for reduction patterns.
3342 (vectorizable_reduction): Added support for reduction patterns.
3343 (vect_transform_stmt): Added support for patterns.
3345 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3346 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3347 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3348 (expand_widen_pattern_expr): New function.
3349 (init_optabs): Initialize new optabs udot_prod_optab,
3351 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3352 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3353 (expand_widen_pattern_expr): New function declaration.
3354 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3356 * tree-inline.c (estimate_num_insns_1): Added cases for new
3357 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3358 * tree-pretty-print.c (dump_generic_node): Likewise.
3359 (op_prio): Likewise.
3360 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3361 * tree-ssa-operands.c (get_expr_operands): Added case for
3363 * tree-vect-patterns.c (widened_name_p): New function.
3364 (vect_recog_dot_prod_pattern): Added function implementation.
3365 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3366 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3367 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3368 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3370 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3371 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3372 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3373 (init_optabs): Initialize new optabs widen_ssum_optab,
3375 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3376 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3377 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3378 use instead of type of def.
3379 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3380 function implementation.
3381 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3382 widen_ssumv8hi): New.
3384 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3387 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3390 * c-decl.c (add_flexible_array_elts_to_size): New function.
3391 (finish_decl): Use it.
3393 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3395 * diagnostic.h: Include options.h.
3396 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3397 dependancies for diagnostic.h.
3398 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3400 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3402 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3403 (ssa_ro_call_cache_valid): Ditto.
3404 * tree-ssa-alias.c (sort_tags_by_id): New function.
3405 (init_transitive_clobber_worklist): Ditto.
3406 (add_to_worklist): Ditto.
3407 (mark_aliases_call_clobbered): Ditto.
3408 (compute_tag_properties): Ditto.
3409 (set_initial_properties): Ditto.
3410 (compute_call_clobbered): Ditto.
3411 (compute_may_aliases): Call compute_call_clobbered and grouping.
3412 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3413 (compute_flow_insensitive_aliasing): Grouping now happens in our
3415 (setup_pointers_and_addressables): Remove clobbering related code.
3416 (add_may_alias): Ditto.
3417 (replace_may_alias): Ditto.
3418 (get_nmt_for): Ditto.
3419 (create_global_var):
3420 (is_escape_site): Return an escape_type enumeration.
3421 * tree-flow-inline.h (is_call_clobbered): Global var does not
3422 imply call clobbered.
3423 (mark_call_clobbered): Take a reason for marking this. Remove
3424 marking of globalness, and cache invalidation.
3425 (clear_call_clobbered): Remove cache invalidation code.
3426 * tree-dfa.c (dump_variable): If details is on, dump the reason
3428 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3430 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3431 (struct var_ann_d): Ditto.
3432 (enum escape_type): New.
3433 (mark_call_clobbered): Adjust prototype.
3434 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3435 are never call clobbered.
3436 Record reasons for escaping.
3437 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3438 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3439 (ssa_ro_call_cache_valid): Ditto.
3440 (clobbered_v_may_defs): Ditto.
3441 (clobbered_vuses): Ditto.
3442 (ro_call_vuses): Ditto.
3443 (clobber_stats): New.
3444 (init_ssa_operands): Zero out clobber stats.
3445 (fini_ssa_operands): Print out clobber stats.
3446 (get_call_expr_operands): Pass callee fndecl to
3448 (add_call_clobber_ops): Remove use of cache.
3449 Add use of PURE_CONST information.
3450 (add_call_read_ops): Remove use of cache.
3451 Add use of static not_read information.
3453 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3455 Introduce TLS descriptors for i386 and x86_64.
3456 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3457 (TARGET_ANY_GNU_TLS): New macro.
3458 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3459 (struct machine_function): Add tls_descriptor_call_expanded_p.
3460 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3461 (ix86_current_function_calls_tls_descriptor): Likewise.
3462 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3463 (override_options): Introduce gnu2 tls dialect.
3464 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3466 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3468 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3469 (ix86_init_machine_status): Initialize new field.
3470 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3471 (ix86_tls_module_base): New.
3472 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3473 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3474 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3475 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3476 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3477 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3478 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3479 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3480 * config/i386/predicates.md (tls_modbase_operand): New.
3481 (tp_or_register_operand): New.
3483 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3485 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3486 (look_for_address_of): Ditto.
3487 (ipa_init): Walk the function decls.
3488 (static_execute): Don't set readonly on FUNCTION_DECL's.
3490 2006-01-18 Roger Sayle <roger@eyesopen.com>
3492 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3493 for shifts where the source and destination registers are different.
3495 2006-01-18 Paul Brook <paul@codesourcery.com>
3497 Merge from csl-arm-branch.
3498 2005-03-14 Julian Brown <julian@codesourcery.com>
3499 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3500 (aeabi_llsl): Likewise.
3501 (ashrdi3): Likewise.
3502 (aeabi_lasr): Likewise.
3503 (lshrdi3): Likewise.
3504 (aeabi_llsr): Likewise.
3505 2005-03-10 Julian Brown <julian@codesourcery.com>
3506 * config.gcc: Disable shared libgcc for SymbianOS.
3507 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3509 2006-01-18 DJ Delorie <dj@redhat.com>
3511 * c-pragma.c (handle_pragma_diagnostic): New.
3512 (init_pragma): Register it.
3513 * doc/extend.texi: Document it.
3515 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3516 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3517 (diagnostic_context): Add classify_diagnostic[].
3518 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3519 as errors if they're overridden to DK_WARNING.
3520 (diagnostic_initialize): Initialize classify_diagnostic[].
3521 (diagnostic_set_kind_override): New.
3522 (diagnostic_report_diagnostic): Check for kind changes.
3523 * opts.c (common_handle_option): Take lang_mask. Update callers.
3525 * common.opt (Werror=): New.
3526 * doc/invoke.texi: Document -Werror=*
3528 2006-01-18 Jeff Law <law@redhat.com>
3530 * tree-vrp.c (test_for_singularity): Correct test for new
3531 min limit. Use operand_equal_p rather than pointer equality
3532 for testing if new min/max values are equal.
3534 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3535 using range information until after propagation and folding.
3537 2006-01-18 Richard Henderson <rth@redhat.com>
3538 Aldy Hernandez <aldyh@redhat.com>
3539 Jakub Jelinek <jakub@redhat.com>
3540 Diego Novillo <dnovillo@redhat.com>
3542 * omp-low.c: New file.
3543 * c-omp.c: New file.
3545 2006-01-18 Richard Henderson <rth@redhat.com>
3546 Jakub Jelinek <jakub@redhat.com>
3547 Diego Novillo <dnovillo@redhat.com>
3549 * doc/invoke.texi: Document -fopenmp.
3550 * tree-dump.h (debug_function): Declare.
3551 * hooks.c (hook_bool_tree_bool_false): New function.
3552 (hook_tree_tree_null): Remove.
3553 (hook_tree_tree_tree_null): New.
3554 * hooks.h: Update to match.
3555 * tree-pretty-print.c (debug_tree_chain): New.
3556 (print_generic_expr): Handle TDF_CHAIN.
3557 (dump_generic_node): Handle BLOCK.
3558 Do not abort with incomplete SWITCH_EXPRs.
3559 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3560 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3561 print space after directive name.
3562 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3563 Handle OMP_MASTER and OMP_ORDERED.
3564 Handle printing of OMP_BODY just in one place, goto
3565 dump_omp_body in the rest of OMP_* nodes that have
3567 Don't handle clause nodes here. Update omp statements to
3568 use dump_omp_clauses.
3569 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3570 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3571 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3572 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3573 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3574 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3575 Adjust output for GOMP_PARALLEL.
3576 (dump_omp_clauses): New.
3577 (print_declaration): Dump DECL_VALUE_EXPR.
3578 (op_symbol_1): Split out of op_symbol.
3579 (dumping_stmts): Remove. Update all users.
3580 * cgraph.c (cgraph_analyze_queue): New.
3581 (cgraph_add_new_function): New.
3582 * cgraph.h (cgraph_analyze_queue): Declare.
3583 (cgraph_add_new_function): Declare.
3584 (cgraph_lower_function): Remove.
3585 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3586 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3587 and TYPE_P nodes in its default clause.
3588 (empty_body_p): New.
3589 (tree_range_check_failed): New.
3591 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3592 OMP_CLAUSE_REDUCTION_MERGE,
3593 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3594 OMP_CLAUSE_PRIVATE_DEBUG,
3595 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3596 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3597 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3598 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3599 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3600 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3601 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3602 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3603 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3604 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3605 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3606 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3607 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3608 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3609 (TREE_RANGE_CHECK): New.
3610 (empty_body_p): Declare.
3611 (enum omp_clause_default_kind): New.
3612 (build_string_literal): Declare.
3613 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3614 (build5_stat, build5): Declare.
3615 * tree-pass.h (TDF_CHAIN): Define.
3616 * tree-pass.h (PROP_gimple_lomp): Define.
3617 (pass_lower_omp): Declare.
3618 * diagnostic.h (debug_tree_chain): Declare.
3619 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3621 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3622 * builtins.c (build_string_literal): Make extern.
3623 * gcc.c (include_spec_function): New.
3624 (static_spec_functions): Add it.
3625 (main): Move load of libgomp.spec ...
3626 (LINK_COMMAND_SPEC): ... here.
3627 (link_gomp_spec): New.
3628 (static_specs): Include it.
3629 (LINK_COMMAND_SPEC): Add link_gomp.
3630 (GOMP_SELF_SPECS): New.
3631 (driver_self_specs): Include it.
3632 (switch_matches): Don't mark inline.
3633 (main): Load libgomp.spec.
3634 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3635 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3636 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3637 * tree-gimple.h (enum omp_parallel): Declare.
3638 (determine_parallel_type): Declare.
3639 (omp_firstprivatize_variable): Declare.
3640 (omp_reduction_init): Declare.
3641 (diagnose_omp_structured_block_errors): Declare.
3642 (struct walk_stmt_info): Add want_return_expr.
3643 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3644 (find_omp_clause): Declare.
3645 (insert_field_into_struct): Declare.
3646 (struct walk_stmt_info): Move from tree-nested.c
3647 (walk_stmts): Declare.
3648 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3650 * cgraphunit.c (cgraph_lower_function): Make static.
3651 (cgraph_finalize_pending_functions): New.
3652 (cgraph_finalize_function): Call it.
3653 (cgraph_finalize_compilation_unit): Likewise.
3654 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3655 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3656 (BT_FN_UINT_UINT): New.
3657 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3658 DEF_FUNCTION_TYPE_VAR_4): Document.
3659 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3660 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3661 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3662 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3663 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3664 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3665 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3666 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3667 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3668 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3669 into separate files.
3670 (DEF_GOMP_BUILTIN): New.
3671 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3672 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3673 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3674 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3675 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3676 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3677 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3678 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3679 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3680 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3681 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3682 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3683 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3684 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3685 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3686 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3687 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3688 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3689 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3690 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3691 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3692 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3693 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3694 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3695 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3696 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3697 * sync-builtins.def: New file, moved from builtins.def.
3698 * omp-builtins.def: New file, moved from builtins.def.
3699 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3700 * gimple-low.c (lower_function_body): Clear data.
3701 (lower_stmt): Do not handle COMPOUND_EXPR.
3702 Remove call to print_node_brief.
3703 * c-tree.h (c_finish_omp_clauses): New prototype.
3704 (C_DECL_THREADPRIVATE_P): Define.
3705 (lookup_name_no_remap, c_omp_remap_private): Remove
3706 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3707 (check_for_loop_decls): Update decl.
3708 (lookup_name_no_remap, c_omp_remap_private): Declare.
3709 (build_indirect_ref, build_modify_expr, pushdecl,
3710 pushdecl_top_level): Move to c-common.h.
3711 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3712 before the switch, but just in the 2 places that need it.
3713 * c-decl.c (diagnose_mismatched_decls): Do not check for
3714 mismatched thread-local attributes when OLDDECL is marked
3715 threadprivate and NEWDECL has no thread-local attributes.
3716 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3717 (c_gimple_diagnostics_recursively): Rename from
3718 c_warn_unused_result_recursively. Invoke
3719 diagnose_omp_structured_block_errors.
3720 (check_for_loop_decls): Return a singular decl found.
3721 * langhooks.c (lhd_omp_predetermined_sharing): Return
3722 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3723 (lhd_omp_firstprivatize_type_sizes): New.
3724 (lhd_omp_assignment): New.
3725 (lhd_omp_predetermined_sharing): New.
3726 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3727 (struct lang_hooks_for_types): Add
3728 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3729 omp_predetermined_sharing, omp_disregard_value_expr,
3730 omp_private_debug_clause, omp_clause_default_ctor,
3731 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3732 (c_finish_omp_clauses): New.
3733 (c_finish_bc_stmt): Diagnose break within omp for.
3734 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3735 (build_unary_op): Return error_mark after reporting
3737 (build_modify_expr): Likewise.
3738 * gimplify.c: Include optabs.h and pointer-set.h.
3739 (enum gimplify_omp_var_data): Declare.
3740 (struct gimplify_omp_ctx): Declare.
3741 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3743 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3744 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3745 (splay_tree_compare_decl_uid): New.
3746 (new_omp_context): New.
3747 (delete_omp_context): New.
3748 (gimple_add_tmp_var): Call omp_add_variable.
3749 (gimplify_bind_expr): Likewise.
3750 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3751 true, disregard DECL_VALUE_EXPR on the decl if any.
3752 (gimplify_expr_in_ctx): New.
3753 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3754 omp_add_variable, omp_notice_variable, omp_is_private
3755 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3756 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3757 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3758 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3759 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3760 gimplify_omp_atomic): New.
3761 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3762 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3763 OMP_CRITICAL and OMP_ATOMIC.
3764 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3765 * c-pragma.h (enum pragma_kind): Add
3766 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3767 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3768 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3769 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3770 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3771 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3772 PRAGMA_OMP_THREADPRIVATE.
3773 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3774 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3775 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3776 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3777 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3778 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3779 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3780 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3781 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3782 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3783 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3784 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3785 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3787 (struct nesting_info): Add field_map,
3788 suppress_expansion, debug_var_chain.
3789 (create_nesting_tree): Initialize them.
3790 (lookup_field_for_decl): Use field_map.
3791 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3792 (convert_local_omp_clauses): New.
3793 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3794 (walk_body): Split out of walk_function.
3795 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3796 (convert_nonlocal_reference): Handle omp statements.
3797 (convert_local_reference): Likewise.
3798 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3799 (unnest_nesting_tree): New.
3800 (lower_nested_functions): Call it.
3801 (insert_field_into_struct): Make extern.
3802 (struct walk_stmt_info): Move to tree-gimple.h.
3803 (walk_stmts): Make extern.
3804 * omp-builtins.def: New file.
3805 * tree-iterator.c (expr_only): Clarify comment.
3806 * c-common.h (pushdecl_top_level, pushdecl,
3807 build_modify_expr, build_indirect_ref,
3808 c_finish_omp_master, c_finish_omp_critical,
3809 c_finish_omp_ordered, c_finish_omp_barrier,
3810 c_finish_omp_atomic, c_finish_omp_flush,
3811 c_finish_omp_for, c_split_parallel_clauses,
3812 omp_clause_default_kind, c_omp_sharing_predetermined,
3813 c_omp_remap_decl): Declare.
3814 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3815 (OBJS-common): Add omp-low.o.
3816 (c-omp.o, omp-low.o): Add.
3817 (gimplify.o): Add dependency on $(OPTABS_H).
3818 (GTFILES): Add omp-low.c.
3819 (gt-stringpool.h): Add.
3820 * tree-cfg.c (set_bb_for_stmt): Do not update the
3821 block-to-labels map if we are currently expanding to RTL.
3822 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3824 Handle IDENTIFIER_NODE.
3825 (tree_verify_flow_info): Do not ICE when emitting error
3826 messages about invalid labels.
3827 (dump_function_to_file): Reset CFUN before emitting the body
3829 (debug_function): New.
3830 * passes.c (init_optimization_passes): Schedule
3832 * langhooks-def.h (lhd_omp_predetermined_sharing,
3833 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3835 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3836 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3837 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3838 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3839 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3840 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3841 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3842 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3843 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3844 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3845 (LANG_HOOK_DECLS): Use them.
3847 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3848 Richard Henderson <rth@redhat.com>
3849 Jakub Jelinek <jakub@redhat.com>
3850 Diego Novillo <dnovillo@redhat.com>
3852 * c-parser.c (pragma_omp_clause): Define.
3853 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3854 (c_parser_compound_statement): Likewise.
3855 (c_parser_statement): Likewise.
3856 (c_parser_pragma): Handle omp pragmas.
3857 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3858 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3859 (c_parser_omp_clause_name, check_no_duplicate_clause,
3860 c_parser_omp_variable_list,
3861 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3862 c_parser_omp_clause_copyprivate,
3863 c_parser_omp_clause_default,
3864 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3865 c_parser_omp_clause_lastprivate,
3866 c_parser_omp_clause_nowait,
3867 c_parser_omp_clause_num_threads,
3868 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3869 c_parser_omp_clause_reduction,
3870 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3871 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3872 c_parser_omp_atomic, c_parser_omp_barrier,
3873 c_parser_omp_critical, c_parser_omp_flush,
3874 c_parser_omp_for_loop, c_parser_omp_for,
3875 c_parser_omp_master, c_parser_omp_ordered,
3876 c_parser_omp_sections_scope, c_parser_omp_sections,
3877 c_parser_omp_parallel, c_parser_omp_single,
3878 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3879 * c-pragma.c (init_pragma): Do omp pragma registration here.
3880 * c.opt (fopenmp): New flag.
3882 2006-01-18 Eric Christopher <echristo@apple.com>
3884 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3885 * config/darwin.h (GOMP_SELF_SPECS): Define.
3887 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3889 * rtl.h: Remove the prototype for reg_alloc.
3891 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3894 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3895 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3896 sjlj and dwarf2 exception handling.
3897 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3898 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3899 * pa/pa.c (function_value): Treat complex and vector types as
3901 (function_arg): Likewise. Only pass scalar floats in the floating
3902 point argument registers.
3903 * pa/t-slibgcc-dwarf-ver: New file.
3904 * pa/t-slibgcc-sjlj-ver: New file.
3905 * pa/t-slibgcc-elf-ver: Delete file.
3907 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3909 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3910 unlikely_test_section_p test.
3912 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3914 * mode-switching.c (optimize_mode_switching): Make it static.
3915 * basic-block.h: Remove the prototype for
3916 optimize_mode_switching.
3918 * modulo-sched.c (sms_schedule): Make it static.
3919 * rtl.h: Remove the prototype for sms_schedule.
3921 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3922 * rtl.h: Remove the prototype for gcse_after_reload_main.
3924 * reg-stack.c (reg_to_stack): Make it static.
3925 * rtl.h: Remove the prototype for reg_to_stack.
3927 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3929 * rtl.h: Remove the prototypes for regrename_optimize and
3930 copyprop_hardreg_forward.
3932 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3934 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3935 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3936 Test against the appropriate null constant for the mode.
3937 If 'fixup_overlap' is true, swap the operands if they overlap.
3938 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3939 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3940 alpha_split_tmode_pair and adjust for above change.
3941 * config/alpha/alpha.md (movtf_internal): Adjust call to
3942 alpha_split_tfmode_pair and rely on it to swap the operands.
3943 (movti_internal): New insn and post-reload splitter.
3944 (movti): New expander.
3946 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3948 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3951 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3953 * rtlanal.c (global_reg_mentioned_p_1,
3954 global_reg_mentioned_p): Remove.
3955 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3957 * flow.c (initialize_uninitialized_subregs): Make it static.
3958 * rtl.h: Remove the prototype for
3959 initialize_uninitialized_subregs.
3961 * function.c (instantiate_virtual_regs): Make it static.
3962 * function.h: Remove the prototype for
3963 instantiate_virtual_regs.
3965 * regmove.c (regmove_optimize, combine_stack_adjustments):
3967 * rtl.h: Remove the prototypes for regmove_optimize and
3968 combine_stack_adjustments.
3970 2006-01-17 Roger Sayle <roger@eyesopen.com>
3972 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3973 (size_cost): Encode costs in bytes so that a reg-reg addition is
3974 equivalent to COSTS_N_INSNS(1).
3975 (override_options): Use the size_cost.branch_cost as the default
3976 ix86_branch_cost when optimizing for size.
3978 2006-01-18 Ben Elliston <bje@au.ibm.com>
3980 * Makefile.in (D32PBIT_FUNCS): New.
3981 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3982 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3983 D64PBIT_FUNCS and D128PBIT_FUNCS.
3984 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3985 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3987 (decnumber_dep): Define.
3988 * doc/libgcc.texi (Decimal float library routines): New node.
3989 * config/dfp-bit.h, config/dfp-bit.c: New files.
3991 2006-01-18 Ben Elliston <bje@au.ibm.com>
3993 * expr.c (emit_move_change_mode): Always adjust addresses, not
3994 just during reload. Copy replacements only during reload.
3995 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3996 emit_move_via_integer.
3998 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4000 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4001 instead of $(srcdir) and ${srcdir}.
4003 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4007 * arm.h (struct machine_function): Add pic_reg.
4008 * arm.c (arm_pic_register): Make unsigned.
4009 (arm_override_options): Only set arm_pic_register if
4010 TARGET_SINGLE_PIC_BASE.
4011 (use_return_insn): Only test for a pic register if it is fixed.
4012 (arm_compute_save_reg0_reg12_mask): Likewise.
4013 (thumb_compute_save_reg_mask): Likewise.
4014 (legitimate_pic_operand): Factor out some known invariants.
4015 (legitimize_pic_address): If we don't have a fixed pic register,
4016 then set up a pseudo in the function entry sequence. Handle the
4017 pic base being in a pseudo.
4018 (arm_load_pic_register): Handle the pic register being in a pseudo.
4019 (arm_expand_prologue): Only set up the pic register if it is fixed.
4020 (thumb_expand_prologue): Likewise.
4021 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4022 (pic_load_addr_based_insn): Likewise.
4023 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4026 2006-01-18 Ben Elliston <bje@au.ibm.com>
4028 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4029 decimal float modes for all floating point registers.
4031 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4032 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4034 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4037 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4038 even when the pointer is not NULL.
4040 2006-01-16 Ian Lance Taylor <ian@airs.com>
4042 * common.opt (ftoplevel-reorder): New option.
4043 * cgraph.c (cgraph_asm_nodes): New global variable.
4044 (cgraph_asm_last_node): New static variable.
4045 (cgraph_order): New global variable.
4046 (cgraph_create_node): Set new order field.
4047 (cgraph_varpool_node): Likewise.
4048 (decide_is_variable_needed): Return true if not
4049 flag_toplevel_reorder.
4050 (cgraph_add_asm_node): New function.
4051 * cgraph.h (struct cgraph_node): Add order field.
4052 (struct cgraph_varpool_node): Add order field.
4053 (struct cgraph_asm_node): Define.
4054 (cgraph_asm_nodes, cgraph_order): Declare.
4055 (cgraph_add_asm_node): Declare.
4056 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4058 (cgraph_varpool_assemble_pending_decls): Call it.
4059 (cgraph_output_pending_asms): New static function.
4060 (cgraph_finalize_compilation_unit): Call it.
4061 (struct cgraph_order_sort): Define.
4062 (cgraph_output_in_order): New static function.
4063 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4064 !flag_toplevel_reorder case.
4065 * c-parser.c: Include "cgraph.h".
4066 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4068 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4069 than -fno-unit-at-a-time.
4070 * doc/invoke.texi (Option Summary): Mention
4071 -fno-toplevel-reorder.
4072 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4073 -funit-at-a-time documentation.
4075 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4076 Kazu Hirata <kazu@codesourcery.com>
4078 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4080 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4082 * Makefile.in (FUNCTION_H): New. Use it instead of
4083 function.h throughout the file.
4084 * function.h: Include tree.h.
4086 2006-01-17 Ben Elliston <bje@au.ibm.com>
4088 * recog.c: Separate some functions with whitespace.
4090 2006-01-16 Richard Henderson <rth@redhat.com>
4092 Merge from gomp branch:
4093 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4094 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4095 and rename from struct inline_data. Rename callee* to dst*;
4096 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4097 transform_new_cfg, transform_return_to_modify, and
4098 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4100 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4101 (copy_decl_for_dup): Remove.
4102 * tree-inline.c (struct inline_data): Move to header.
4103 (insert_decl_map): Export.
4104 (remap_decl): Update for member name changes. Use copy_decl hook.
4105 Allow for replacement to be a non-decl. Remove dead code.
4106 (remap_type_1): Check for existing mapping.
4107 (remap_type): Export.
4108 (remap_decls): Update for member name changes.
4109 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4110 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4111 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4112 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4113 (tree_function_versioning, build_duplicate_type): Likewise.
4114 (copy_body_r): Likewise. Export.
4115 (copy_decl_for_dup): Split into ...
4116 (copy_decl_for_dup_finish, copy_decl_to_var,
4117 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4118 (replace_ref_tree, inlining_p): Remove.
4120 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4122 * ifcvt.c (if_convert): Make it static.
4123 * rtl.h: Remove the prototype for if_convert.
4125 * local-alloc.c (local_alloc): Make it static.
4126 * rtl.h: Remove the prototype for local_alloc.
4128 * loop.c (loop_optimize): Make it static.
4129 * cfgloop.h: Remove the prototype for loop_optimize.
4132 2006-01-16 DJ Delorie <dj@redhat.com>
4134 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4137 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4139 * pa.md: Disparage copies between general and floating-point registers
4140 in 32-bit move patterns.
4142 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4145 * Makefile.in (check-%): Depend on site.exp instead of
4146 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4149 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4151 * global.c (global_alloc): Make it static.
4152 * rtl.h: Remove the prototype for global_alloc.
4154 2006-01-16 Richard Guenther <rguenther@suse.de>
4156 * tree-ssa-alias.c (struct used_part): Add write_only field.
4157 (get_or_create_used_part_for): Initialize it to true.
4158 (create_overlap_variables_for): Don't create structure variables
4159 for structures that only are written to.
4160 (find_used_portions): Handle MODIFY_EXPR to track whether a
4161 structure is only written to.
4163 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4165 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4167 * basic-block.h: Remove the prototype for
4168 partition_hot_cold_basic_blocks.
4170 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4172 * cppspec.c (lang_specific_spec_functions): Remove.
4173 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4174 * gcc.h (lang_specific_spec_functions): Remove.
4175 * gccspec.c (lang_specific_spec_functions): Remove.
4177 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4179 * combine.c (record_value_for_reg): Invalidate registers
4181 (record_dead_and_set_regs_1): Likewise, by passing them to
4182 record_value_for_reg.
4183 (record_dead_and_set_regs): Invalidate stores made by a
4184 call. We do not combine across a call, but we still
4185 relied on equivalences.
4187 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4189 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4190 vrp_int_const_binop returning non-constant nodes.
4192 2006-01-16 Paul Brook <paul@codesourcery.com>
4194 * config/m68k/m68k.c (output_move_const_into_data_reg):
4195 Output correct mnemonic for mvz and mvs.
4197 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4199 * rtl-factoring.c: Add sequence abstraction algorithm.
4200 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4201 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4203 (block_has_preserve_label): New function.
4204 * common.opt: Register new pass.
4205 * Makefile.in: Ditto.
4207 * timevar.def: Ditto.
4208 * tree-pass.h: Ditto.
4209 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4210 * rtl.h (make_jump_insn_raw): Add forward decl.
4211 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4213 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4214 Roger Sayle <roger@eyesopen.com>
4216 * fold-const.c (fold_minmax): New static function.
4217 (fold_binary) <MIN_EXPR>: Call it.
4218 <MAX_EXPR>: Likewise.
4219 * stor-layout.c (place_field): Use DECL_SIZE consistently
4220 in the computation of the new record size.
4222 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4224 * cse.c (cse_condition_code_reg): Make it static.
4225 * rtl.h: Remove the prototype for cse_condition_code_reg.
4227 * combine.c (combine_instructions): Make it static.
4228 * rtl.h: Remove the prototype for combine_instructions.
4230 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4233 * tree.c (get_file_function_name_long): Concatenate the first global
4234 object name with a string derived from the input filename of the object
4237 2006-01-16 Ben Elliston <bje@au.ibm.com>
4239 * config/i386/winnt-stubs.c: Update FSF address.
4240 * config/xtensa/ieee754-df.S: Ditto.
4241 * config/xtensa/ieee754-sf.S: Ditto.
4243 2006-01-14 Ian Lance Taylor <ian@airs.com>
4245 * ifcvt.c (noce_init_if_info): New static function, broken out of
4246 noce_process_if_block.
4247 (noce_process_if_block): Call noce_init_if_info.
4248 (check_cond_move_block): New static function.
4249 (cond_move_process_if_block): New static function.
4250 (process_if_block): Call cond_move_process_if_block.
4252 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4254 * cselib.c (hash_table): Rename to cselib_hash_table.
4255 (cselib_clear_table, discard_useless_values,
4256 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4257 cselib_init, cselib_finish): Adjust uses of hash_table.
4259 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4261 PR tree-optimization/25485
4262 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4263 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4264 is known to be false and true, respectively.
4266 2006-01-14 Richard Guenther <rguenther@suse.de>
4268 PR tree-optimization/22548
4269 PR tree-optimization/22555
4270 PR tree-optimization/22501
4271 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4272 * params.def (salias-max-array-elements): New parameter.
4273 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4274 * doc/invoke.texi (salias-max-array-elements): Document.
4275 * tree-flow-inline.h (var_can_have_subvars): We also handle
4277 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4279 * tree-ssa-structalias.c (params.h): Include.
4280 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4281 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4282 (get_constraint_for): For ADDR_EXPR operating on something
4283 containing an ARRAY_REF, add all subvars to the solution.
4284 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4285 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4286 for creating MUST_DEFs.
4287 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4289 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4291 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4293 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4294 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4295 number_of_iterations_le): New functions.
4296 (number_of_iterations_special): Removed.
4297 (number_of_iterations_exit): Do not use number_of_iterations_special.
4298 * tree.c (unsigned_type_for): Always return integer type.
4300 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4301 Richard Guenther <rguenther@suse.de>
4303 PR rtl-optimization/24257
4304 * gcse.c (find_moveable_store): Only consider a store movable
4305 when the SET_SRC of the insn can be assigned to a register.
4307 2006-01-14 Ian Lance Taylor <ian@airs.com>
4309 * tree.c (tree_not_class_check_failed): New function.
4310 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4311 (tree_not_class_check_failed): Declare.
4313 2006-01-13 Ian Lance Taylor <ian@airs.com>
4315 * reload1.c (do_output_reload): Add assertion rejecting a
4318 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4320 * combine.c (struct reg_stat): Add new fields truncation_label and
4322 (record_value_for_reg): Reset truncated_to_mode.
4323 (record_truncated_value): New function.
4324 (check_promoted_subreg): Call it. Rename to check_conversions.
4325 (combine_instructions): Rename check_promoted_subreg to
4327 (reg_truncated_to_mode): New function.
4328 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4329 (gen_lowpart_or_truncate): New function.
4330 (force_to_mode): Use it instead of gen_lowpart.
4332 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4334 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4335 VAR is a tag, not its type tag.
4337 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4339 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4340 alternatives to match style of other entries.
4341 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4343 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4345 PR tree-optimization/25771
4346 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4349 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4352 * tree-inline.c (declare_return_variable): If the return variable
4353 was marked as a non gimple complex, set the return slot variable
4354 to be a non gimple comple variable.
4356 2006-01-13 Richard Guenther <rguenther@suse.de>
4358 * builtins.c (expand_builtin_sincos): New function.
4359 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4361 (expand_builtin): Expand sincos using expand_builtin_sincos.
4363 2006-01-12 DJ Delorie <dj@redhat.com>
4365 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4366 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4367 so that constant shifts can be split.
4368 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4369 (m32c_valid_pointer_mode): Make static.
4370 (shift_gen_func_for): New.
4371 (m32c_prepare_shift): Use it. Split large const shifts into
4373 * config/m32c/predicates.md (shiftcount_operand): Allow more
4375 (longshiftcount_operand): New.
4376 * doc/md.texi (Machine Constraints): Document In6.
4378 2006-01-13 Ben Elliston <bje@au.ibm.com>
4380 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4381 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4384 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4386 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4387 to try to avoid clobbering pieces of structures when we know
4388 something about the whole structure.
4389 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4391 2006-01-13 Ben Elliston <bje@au.ibm.com>
4393 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4394 return in memory, as this is no limitation is no longer present.
4396 2006-01-12 DJ Delorie <dj@redhat.com>
4398 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4399 mova with fb, and for fb+0 -> An.
4401 * config/m32c/mov.md (peephole2): Fix enabling logic.
4403 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4404 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4405 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4406 FINI_ARRAY_SECTION_ASM_OP): Define.
4408 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4410 (m32c_legitimize_reload_address): New logic to reload FB to An.
4411 (m32c_output_reg_push): Add newline.
4412 (m32c_output_reg_pop): Likewise.
4414 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4416 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4418 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4420 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4422 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4424 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4427 2006-01-11 Ben Elliston <bje@au.ibm.com>
4429 * rtlanal.c (find_reg_note): Assert insn is not null.
4431 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4433 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4436 2006-01-11 Jeff Law <law@redhat.com>
4438 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4440 (mark_threaded_blocks, register_jump_thread): New functions.
4441 (thread_through_all_blocks): Remove unwanted argument. No
4442 longer rely on e->aux to communicate thread target info.
4443 Call mark_threaded_blocks. Release the threaded_blocks
4444 bitmap and threaded_edges vector when complete.
4445 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4446 (threaded_blocks): Remove.
4447 (tree_ssa_dominator_optimize): Remove initialization and
4448 finalization of threaded_blocks. Simplify call to
4449 thread_through_all_blocks.
4450 (thread_across_edge): Call register_jump_thread rather than
4451 storing thread information into e->aux.
4452 (free_all_edge_infos): Simplify now that e->aux is no longer
4453 used to communicate with thread_through_all_blocks.
4454 * tree-flow.h (thread_through_all_blocks): Update prototype.
4455 (register_jump_thread): Prototype.
4457 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4459 * df-core.c (df_compact_blocks, df_bb_replace): Use
4460 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4462 2006-01-11 Richard Guenther <rguenther@suse.de>
4464 PR tree-optimization/25734
4465 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4466 stop propagation after successful propagation to the LHS.
4468 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4470 * basic-block.h (control_flow_graph): Change the type of
4471 x_basic_block_info to VEC(basic_block,gc) *.
4472 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4474 (SET_BASIC_BLOCK): New.
4475 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4476 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4477 * cfgbuild.c (find_basic_blocks): Likewise.
4478 * cfglayout.c (fixup_reorder_chain): Likewise.
4479 * cfgrtl.c (create_basic_block_structure,
4480 rtl_create_basic_block): Likewise.
4481 * ifcvt.c (find_if_case_1): Likewise.
4482 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4485 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4487 * Makefile.in: Removed rotted odf.c entry.
4489 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4492 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4493 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4494 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4495 output pattern modifier, not %e.
4496 * config/cris/cris.c (cris_op_str): Update comment about pattern
4498 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4499 before falling through into...
4500 <case 'E'>: Redefined from old 'e' case.
4502 2006-01-11 Jan Hubicka <jh@suse.cz>
4505 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4507 2006-01-11 Jan Hubicka <jh@suse.cz>
4509 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4510 * i386.c (x86_decompose_lea): Kill.
4511 (ix86_rtx_costs): Kill.
4513 2006-01-11 Jan Hubicka <jh@suse.cz>
4515 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4516 * cgraph.h (cgraph_node): Add inline_decl.
4517 (cgraph_insert_node_to_hashtable): Declare.
4518 (save_inline_function_body): Declare.
4519 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4521 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4522 (cgraph_function_versioning): Update call of tree_function_versioning.
4523 (save_inline_function_body): New function.
4524 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4525 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4526 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4527 (cgraph_default_inline_p): Likewise.
4528 (cgraph_decide_inlining_incrementally): Likewise.
4529 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4530 (copy_bb): Kill saving; do updating of clones.
4531 (copy_cfg_body): Kill saving.
4532 (initialize_inlined-parameters): Likewise.
4533 (expand_call_inline): Likewise.
4535 (tree_function_versioning): New parameter "update_clones".
4536 (inlining_p): Kill saving.
4537 * tree-inline.h (tree_function_versioning): Update prototype.
4538 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4541 2006-01-11 Ian Lance Taylor <ian@airs.com>
4543 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4544 Allow undoing set of machine mode.
4545 (do_SUBST): Use enums instead of is_int.
4546 (do_SUBST_MODE): New function.
4547 (SUBST_MODE): New macro.
4548 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4549 reg and trying to replace reg_regno_rtx with a new register.
4550 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4551 (simplify_set): Use SUBST_MODE.
4552 (distribute_notes): Remove code that tried to update reg notes
4553 for regno_reg_rtx changes.
4555 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4557 PR tree-optimization/23109
4558 PR tree-optimization/23948
4559 PR tree-optimization/24123
4561 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4562 * tree-cfg.c (single_noncomplex_succ): New.
4563 * tree-flow.h (single_noncomplex_succ): Declare it.
4564 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4565 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4566 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4567 insert_bb, register_division_in, insert_reciprocals,
4568 replace_reciprocal, free_bb): New.
4569 (execute_cse_reciprocals_1): Rewritten.
4570 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4571 Do not commit any edge insertion. Always compute dominators and
4572 create the allocation pool.
4573 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4574 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4575 * targhooks.c (default_min_divistions_for_recip_mul): New.
4576 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4577 * passes.c (init_optimization_passes): Run recip after tree loop
4579 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4581 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4582 Kenneth Zadeck <zadeck@naturalbridge.com>
4584 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4585 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4586 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4587 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4588 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4589 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4590 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4591 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4592 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4593 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4594 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4595 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4596 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4597 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4598 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4599 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4600 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4601 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4602 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4603 DF_SCAN_POST_ALLOC): New macros.
4604 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4605 df_free_bb_function, df_local_compute_function, df_init_function,
4606 df_dataflow_function, df_confluence_function_0,
4607 df_confluence_function_n, df_transfer_function,
4608 df_finalizer_function, df_free_function, df_dump_problem_function,
4609 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4610 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4611 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4612 df_urec_bb_info, ) New types.
4613 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4615 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4616 df_analyze_simple_change_some_blocks,
4617 df_analyze_simple_change_one_block, df_compact_blocks,
4618 df_bb_replace, df_bb_regno_last_use_find,
4619 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4620 df_insn_regno_def_p, df_find_def, df_find_use,
4621 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4622 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4623 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4624 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4625 debug_df_chain, df_get_dependent_problem, df_chain_create,
4626 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4627 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4628 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4629 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4630 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4631 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4632 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4633 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4634 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4635 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4636 df_reorganize_refs, df_set_state, df_hard_reg_init,
4637 df_read_modify_subreg_p) New public functions.
4638 * df-core.c: The core dataflow solver and glue routines for rtl
4640 (df_init, df_add_problem, df_set_blocks, df_finish,
4641 df_hybrid_search_forward, df_hybrid_search_backward,
4642 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4643 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4644 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4645 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4646 df_reg_defined, df_find_use, df_reg_used, df_dump,
4647 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4648 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4649 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4650 debug_df_useno, reset_df_after_reload): New functions.
4651 * df-scan.c: The scanning fuctions, once in df.c, completely
4652 rewritten so that they now fully model the functionality of
4653 register usage at the backend.
4654 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4655 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4656 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4657 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4658 df_get_artificial_defs, df_get_artificial_uses,
4659 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4660 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4661 df_refs_delete, df_reorganize_refs, df_set_state,
4662 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4663 df_def_record_1, df_defs_record, df_uses_record,
4664 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4665 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4666 df_record_exit_block_uses, df_hard_reg_init): New functions.
4668 * df-problems.c: Seven concrete dataflow problems that use the
4669 scanning in df-scan.c and are solved by the engine in df-core.c.
4670 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4671 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4672 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4673 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4674 df_ru_free_bb_info, df_ru_alloc,
4675 df_ru_bb_local_compute_process_def,
4676 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4677 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4678 df_ru_transfer_function, df_ru_free, df_ru_dump,
4679 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4680 df_rd_free_bb_info, df_rd_alloc,
4681 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4682 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4683 df_rd_transfer_function, df_rd_free, df_rd_dump,
4684 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4685 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4686 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4687 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4688 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4689 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4690 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4691 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4692 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4693 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4694 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4695 df_urec_mark_reg_use_for_earlyclobber,
4696 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4697 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4698 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4699 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4700 df_chain_create_bb_process_use, df_chain_create_bb,
4701 df_chain_finalize, df_chain_free, df_chains_dump,
4702 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4703 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4704 df_reg_lifetime): New functions.
4705 * df.c: Deleted file.
4706 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4707 consistent with new df api.
4708 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4709 rest_of_handle_sms): Ditto.
4710 * web.c (unionfind_union, union_defs, entry_register, web_main):
4712 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4713 invariant_expr_equal_p, find_defs, check_dependencies,
4714 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4715 free_inv_motion_data, move_loop_invariants): Ditto.
4716 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4717 Update dependencies.
4718 (odf.c): Added defective entry that was deleted later in day.
4719 * sched-deps.c (sched_analyze_1): Ditto.
4721 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4723 * tree-ssa-operands.c (get_expr_operands): Record addressable
4724 variables directly. Do not call add_stmt_operands for CONST_DECLs
4726 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4727 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4729 2006-01-11 Ben Elliston <bje@au.ibm.com>
4731 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4732 function returns true in the positive case.
4734 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4737 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4738 for SI, DI, SF and DF modes. Add alternatives to copy between
4739 general and floating point registers to the 32-bit patterns.
4740 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4741 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4742 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4743 generating 64-bit code.
4744 * config/pa/pa.c (output_move_double): Handle copies between general
4745 and floating registers.
4747 2006-01-10 Stuart Hastings <stuart@apple.com>
4749 * config/i386/i386.md (set_got): Update.
4750 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4751 (builtin_setjmp_receiver): Mach-O support.
4752 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4753 (GOT_SYMBOL_NAME): Define.
4754 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4755 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4756 * config/i386/i386.c (override_options): Revise for Darwin.
4757 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4758 support. (darwin_x86_file_end): New. (output_set_got): Add label
4759 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4760 * config/i386/i386-protos.h (output_set_got): Likewise.
4761 * config/darwin.c (machopic_legitimize_pic_address): Update
4764 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4766 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4767 when MODE isn't BLKmode.
4769 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4771 PR rtl-optimization/25367
4772 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4774 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4777 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4778 for a negative bound.
4780 2006-01-10 Richard Guenther <rguenther@suse.de>
4782 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4783 Never override with anything constraint.
4785 2006-01-10 Jan Beulich <jbeulich@novell.com>
4787 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4788 256 bits when optimize_size.
4790 2006-01-10 Jan Beulich <jbeulich@novell.com>
4792 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4794 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4795 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4798 2006-01-10 Ben Elliston <bje@au.ibm.com>
4800 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4802 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4803 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4804 (USE_FP_FOR_ARG): Reject decimal float modes.
4805 (function_arg_advance): Likewise.
4806 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4807 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4808 point types in AltiVec vectors.
4809 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4810 (rs6000_libcall_value): Likewise.
4812 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4814 * config/xtensa/ieee754-df.S: New file.
4815 * config/xtensa/ieee754-sf.S: New file.
4816 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4817 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4818 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4820 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4822 * config/sh/predicates.md (binary_float_operator,
4823 binary_logical_operator, commutative_float_operator,
4824 equality_comparison_operator, greater_comparison_operator,
4825 less_comparison_operator, logical_operator,
4826 noncommutative_float_operator, shift_operator,
4827 symbol_ref_operand, unary_float_operator): Remove redundant
4830 2006-01-09 Jeff Law <law@redhat.com>
4832 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4833 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4834 now unused arguments. Callers updated.
4835 (eliminate_redundant_computations): Remove now unused arguments,
4837 (local_fold): Remove, no longer used.
4838 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4840 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4841 (simplify_cond): New function.
4842 (forward_propagate_into_cond): Call simplify_cond.
4844 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4846 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4847 (*vec_extractv2di_1_sse): New.
4849 2006-01-09 Ben Elliston <bje@au.ibm.com>
4851 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4853 2006-01-08 Richard Guenther <rguenther@suse.de>
4855 * tree-ssa-structalias.c (get_constraint_for): Remove
4857 (get_constraint_for_component_ref): Likewise.
4858 (do_deref): Likewise.
4859 (get_constraint_for): Likewise.
4860 (do_structure_copy): Likewise.
4861 (handle_ptr_arith): Likewise.
4862 (find_func_aliases): Likewise. Remove unused need_anyoffset
4865 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4866 Kaz Kojima <kkojima@gcc.gnu.org>
4868 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4869 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4870 (EXTRA_CONSTRAINT_C16): Remove.
4871 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4872 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4873 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4874 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4875 constants of SHmedia. Handle nested constant expressions of
4877 (andcosts): Fix the costs for SHmedia constants.
4878 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4879 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4880 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4881 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4882 (movv4hi_i, movv2si_i): Likewise.
4883 (movsi_const): Adjust the second operand of ior so to match with
4885 (movdi_const, movdi_const_32bit): Likewise.
4886 (movdi_const_16bit+1): Don't sign-extend LOW.
4887 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4889 (*double_shori): Fix the split condition. Use GEN_INT instead
4890 of get_int_mode calls. Mask lower 16-bit of the argument of
4892 (sym2GOTPLT): Remove.
4893 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4895 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4896 instead of EXTRA_CONSTRAINT_C16.
4898 2006-01-07 Ian Lance Taylor <ian@airs.com>
4899 David Edelsohn <edelsohn@gnu.org>
4901 PR rtl-optimization/25662
4902 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4903 for constant operands instead of simplify_gen_binary.
4904 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4905 after trying simplify_binary_operation
4907 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4909 * tree.c (iterative_hash_expr): Hash decls based on UID.
4911 2006-01-06 Eric Christopher <echristo@apple.com>
4913 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4914 (TARGET_UNWIND_EMIT): Fix spelling.
4915 * target.h (gcc_target): Add except_table_label.
4916 * except.c (output_function_exception_table): Use.
4917 * varasm.c (default_emit_except_table_label): New.
4918 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4920 (asm_out): Add here.
4921 * output.h (default_emit_except_table_label): Prototype.
4922 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4923 * config/darwin.c (darwin_emit_except_table_label): Define.
4924 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4926 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4928 PR tree-optimization/18527
4929 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4930 number_of_iterations_special, number_of_iterations_exit):
4931 Move base and step of an iv to a single structure. Add
4932 no_overflow flag, and use it in # of iterations analysis.
4933 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4934 folded_casts argument.
4935 (simple_iv): Pass base and step in a structure. Set no_overflow
4937 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4938 Evaluate expensiveness of computing # of iterations instead of
4939 the final expression.
4940 * tree-scalar-evolution.h (affine_iv): New structure.
4941 (simple_iv): Declaration changed.
4942 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4943 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4944 find_givs_in_stmt): Changed due to simple_iv change.
4946 2006-01-06 Jeff Law <law@redhat.com>
4949 * tree-cfg.c (bsi_replace): Rename final argument from
4950 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4951 change (stmt -> orig_stmt).
4952 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4953 (bsi_remove): Add new argument. Remove EH information
4955 (verify_eh_throw_table_statements): New function.
4956 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4958 * tree-optimize.c (execute_free_cfg_annotations): Verify
4959 the EH throw statement table after removing annotations.
4960 * except.h (verify_eh_throw_table_statements): Prototype.
4961 * tree-flow.h (bsi_remove): Update prototype.
4962 * tree-vrp.c (remove_range_assertions): Add new argument to
4964 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4965 * tree-complex.c (expand_complex_div_wide): Likewise.
4966 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4967 * tree-tailcall.c (eliminate_tailcall): Likewise.
4968 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4969 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4970 * tree-nrv.c (tree_nrv): Likewise.
4971 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4972 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4973 (combine_blocks): Likewise.
4974 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4975 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4976 (cleanup_control_flow): Likewise.
4977 (remove_forwarder_block): Likewise.
4978 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4979 * tree-sra.c (sra_replace): Likewise.
4980 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4981 (forward_propagate_single_use_vars): Likewise.
4982 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4983 * tree-inline.c (expand_call_inline): Likewise.
4984 * tree-vect-transform.c (vect_transform_loop): Likewise.
4985 * tree-outof-ssa.c (rewrite_trees): Likewise.
4986 * tree-cfg.c (make_goto_expr_edges): Likewise.
4987 (cleanup_dead_labels): Likewise.
4988 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4989 (bsi_move_before, bsi_move_after): Likewise.
4990 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4991 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4993 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4996 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4998 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4999 on non gimple variables. Also add checks at the top for decls and
5001 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5003 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5004 and IMAGPART_EXPR for creating MUST_DEFs.
5005 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5006 and NAME_MEMORY_TAG separately from the DECLs.
5008 2006-01-06 Richard Guenther <rguenther@suse.de>
5010 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5011 annotation, if necessary.
5012 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5013 redundant calls to update_stmt.
5014 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5017 2006-01-05 Richard Henderson <rth@redhat.com>
5019 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5021 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5023 * c-typeck.c: Update copyright date.
5025 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5027 * c-typeck.c (build_c_cast): Always warn when casting
5028 from a pointer to an integer of different size, even if
5029 the node was constant.
5031 2006-01-05 Richard Guenther <rguenther@suse.de>
5033 PR tree-optimization/22555
5034 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5035 if one structure field is an array.
5036 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5037 operands even if we found a subvar, but ignore VOPs in this
5039 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5041 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5043 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5046 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5048 2006-01-05 Richard Guenther <rguenther@suse.de>
5049 Diego Novillo <dnovillo@redhat.com>
5051 * tree-pass.h (TODO_remove_unused_locals): Define.
5052 * gimple-low.c (expand_var_p, remove_useless_vars,
5053 pass_remove_useless_vars): Remove. Update all users.
5054 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5055 (remove_unused_locals): New function.
5056 * tree-flow.h (remove_unused_locals): Declare.
5057 * passes.c (execute_todo): Call remove_unused_locals if
5058 TODO_remove_unused_locals is set.
5059 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5060 * tree-ssa-dce.c (pass_dce): Likewise.
5061 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5063 2006-01-05 Richard Guenther <rguenther@suse.de>
5065 * tree-flow.h (struct fieldoff): Decompose field to
5066 type, size and decl.
5067 * tree-ssa-alias.c (create_sft): Take type as parameter.
5068 (create_overlap_variables_for): Store type, size and decl
5069 in the fieldoff structure.
5070 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5072 (push_fields_onto_fieldstack): Likewise.
5073 (create_variable_info_for): Likewise. Use offset for the
5074 SFT name if the decl is not available.
5076 2006-01-04 Paul Brook <paul@codesourcery.com>
5078 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5080 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5082 * lambda-code.c (can_put_in_inner_loop): Relax
5084 (can_put_after_inner_loop): New function.
5085 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5086 (perfect_nestify): Change to make copies and modify uses.
5088 2006-01-04 Richard Henderson <rth@redhat.com>
5090 Merge from gomp branch:
5091 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5092 via integer constant.
5093 (pragma_lex): Remove.
5094 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5095 rather than parsing it.
5096 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5097 handle_pragma_extern_prefix): Add %< %> quotes.
5098 (registered_pragmas): New.
5099 (c_register_pragma_1): New.
5100 (c_register_pragma): Use it.
5101 (c_register_pragma_with_expansion): Likewise.
5102 (c_invoke_pragma_handler): New.
5103 (init_pragma): Use cpp_register_deferred_pragma directly for
5105 * c-pragma.h (enum pragma_kind): New.
5106 (pragma_handler): New.
5107 (c_invoke_pragma_handler): Declare.
5108 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5110 * c-common.h (c_common_pch_pragma): Update decl.
5111 * Makefile.in (c-parser.o): Update dependencies.
5112 (GTFILES): Add c-pragma.h.
5113 * c-parser.c (struct c_token): Add pragma_kind.
5114 (struct c_parser): Add in_pragma.
5115 (c_lex_one_token): Always initialize keyword and pragma_kind.
5116 Extract data for CPP_PRAGMA.
5117 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5118 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5119 Don't allow CPP_PRAGMA_EOL if in_pragma.
5120 (c_parser_consume_pragma): New.
5121 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5122 (c_parser_skip_to_end_of_parameter): Likewise.
5123 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5124 (c_parser_skip_to_pragma_eol): New.
5125 (c_parser_external_declaration): Handle CPP_PRAGMA.
5126 (c_parser_compound_statement_nostart): Likewise.
5127 (c_parser_statement_after_labels): Likewise.
5128 (c_parser_pragma): New.
5129 (pragma_lex): Likewise.
5130 (c_parser_pragma_pch_preprocess): New.
5131 (c_parser_new): Merge into ...
5132 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5134 2006-01-04 Jeff Law <law@redhat.com>
5137 * tree-cfg.c (bsi_replace): Remove the original statement
5138 from the EH throw statement table.
5140 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5142 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5143 make the prototype extern "C" and add throw ().
5146 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5147 and pos non-negative and pos + len <= 32.
5148 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5149 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5150 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5153 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5154 as well as sizes not multiple of component size.
5157 * function.c (instantiate_expr): New function.
5158 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5159 walk its DECL_VALUE_EXPR with instantiate_expr.
5161 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5162 DW_OP_deref{,_size} if address isn't going to be added.
5164 2006-01-04 Ben Elliston <bje@au.ibm.com>
5166 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5167 * config/fp-bit.c: Likewise.
5169 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5171 * dominance.c: Add comment about why we use DFS numbering
5174 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5175 Richard Henderson <rth@redhat.com>
5177 Merge from gomp-branch:
5178 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5179 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5181 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5183 PR rtl-optimization/25578
5184 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5185 pass a parameter to simplify_shift_const if changing ASHIFTRT
5188 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5190 * builtins.c (get_builtin_sync_mem): New function.
5191 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5192 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5193 Call get_builtin_sync_mem to generate mem rtx.
5195 2006-01-03 Richard Guenther <rguenther@suse.de>
5198 * stmt.c (add_case_node): Make sure to clear overflow flags
5201 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5203 Merge from gomp-branch.
5204 * config/sparc/sync.md: New file.
5205 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5206 UNSPECV_LDSTUB): New constants.
5207 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5208 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5209 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5212 2006-01-03 Roger Sayle <roger@eyesopen.com>
5214 * combine.c (reg_subword_p): New predicate to test whether the
5215 destination of a set refers to a subword/piece of a register.
5216 (try_combine): Generalize the code to merge the setting of a
5217 pseudo to a constant followed by a set of a subword of that
5218 register to a constant.
5220 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5222 * basic-block.h (control_flow_graph): Change the type of
5223 x_label_to_block_map to VEC(basic_block,gc) *.
5224 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5225 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5227 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5228 VEC(basic_block,heap) *.
5229 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5230 ssa_prop_fini): Adjust the uses of cfg_blocks.
5232 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5234 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5236 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5237 hashing trees instead of a pointer hash.
5238 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5239 compare for MEM_EXPR.
5241 PR rtl-optimization/25130
5242 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5243 when comparing MEMs for GCSE
5245 2006-01-03 Ben Elliston <bje@au.ibm.com>
5247 * targhooks.h (default_decimal_float_supported_p): Declare.
5248 * targhooks.c (default_decimal_float_supported_p): Define.
5249 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5250 `default_decimal_float_supported_p'.
5251 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5253 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5255 * combine.c (apply_distributive_law <SUBREG>): Check
5256 TRULY_NOOP_TRUNCATION.
5258 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5260 * dwarf2out.c (have_switched_text_section): Delete.
5261 (have_multiple_function_sections): New.
5262 (have_location_lists): Make 'bool'.
5263 (add_AT_loc_list): Use 'true' not '1'.
5264 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5265 (output_loc_list): Use have_multiple_function_sections.
5266 (output_ranges): Likewise.
5267 (dwarf2out_begin_function): Set have_multiple_function_sections if
5269 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5270 Check function_section rather than DECL_SECTION_NAME.
5271 (dwarf2out_finish): Use have_multiple_function_sections.
5272 Don't clear have_location_lists.
5274 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5275 Jan Hubicka <jh@suse.cz>
5277 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5278 case of conditional jump jumping to the next instruction.
5279 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5280 cases of conditional jump jumping to the next instruction.
5282 2006-01-02 Jan Hubicka <jh@suse.cz>
5284 * i386.c (*_cost): Add COSTS_N_INSNS.
5285 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5287 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5290 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5292 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5294 * config/arm/arm.c (all_fpus): Fix comment typo.
5295 * config/darwin.c: Likewise.
5296 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5297 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5298 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5300 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5302 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5303 (rs6000_split_compare_and_swapqhi): New.
5304 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5305 (sync_compare_and_swapqhi_internal): New.
5306 * config/rs6000/rs6000-protos.h: Declare.
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