1 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4 (TMT_USED_ALONE): New macro.
5 * tree-pass.h (PROP_tmt_usage): New property.
6 (TODO_update_tmt_usage): New todo.
7 * tree-ssa-alias.c (updating_used_alone): New variable.
8 (recalculate_used_alone): New function.
9 (compute_may_aliases): Set updating_used_alone, call
10 recalculate_used_alone.
11 * tree-sra.c (pass_sra): Note that this pass destroys
12 PROP_tmt_usage, and add TODO_update_tmt_usage.
13 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14 * tree-flow.h (updating_used_alone): Prototype.
15 (recalculate_used_alone): Ditto.
16 * passes.c (execute_todo): Add code to set updating_used_alone,
18 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
19 for clobber if used alone, and add assert to verify used_alone
22 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
24 * config/s390/s390.c (legitimize_pic_address): Assertions checking
25 for non tls symbols added.
26 (legitimize_address): Do nothing for PLUS expressions if one of the
27 addends is a tls symbol reference.
29 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
33 * Makefile.in (LDFLAGS): Define from autoconf substitution.
35 * Makefile.in (BOOTSTRAPPING): New.
36 (quickstrap): New definition if BOOTSTRAPPING=yes.
38 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
39 * configure.ac: Substitute all_selected_languages with the languages
40 that were configured. For all the other variables except
41 lang_specs_files, include all the languages in the tree.
42 * configure: Regenerate.
44 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
45 if there is one. Run the commands to run fixincludes in the same
48 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
49 * doc/install.texi: Document exact conventions for searching target tools.
50 Document --with-build-time-tools. Document toplevel bootstrap. Document
51 something more about building an Ada cross-compiler. Don't list GNU Make
52 requirements which affect all platforms.
54 2006-02-19 Roger Sayle <roger@eyesopen.com>
57 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
58 only equivalent if the have both the same mode and precision.
60 2006-02-20 Ben Elliston <bje@au.ibm.com>
62 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
64 2006-02-19 Roger Sayle <roger@eyesopen.com>
65 Steven Bosscher <stevenb.gcc@gmail.com>
67 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
68 constant pool references to identify stack mode constants.
69 * rtlanal.c (constant_pool_constant_p): New predicate to check
70 whether operand is a floating point constant in the pool.
71 * rtl.h (constant_pool_constant_p): Prototype here.
72 * loop.c (scan_loop): Avoid hoisting constants from the constant
73 pool on STACK_REGS targets.
74 (load_mems): Likewise.
75 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
76 loads into x87 registers expensive in terms of register pressure.
78 2006-02-19 Roger Sayle <roger@eyesopen.com>
80 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
81 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
83 2006-02-19 David Edelsohn <edelsohn@gnu.org>
85 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
86 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
88 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
90 * doc/invoke.texi: Document -fipa-pta.
91 * common.opt: Add ipa-pta option.
92 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
93 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
94 (do_ds_constraint): Ditto.
95 (get_constraint_for): Only add to referenced_vars if
96 referenced_vars exists.
97 (insert_into_field_list): Rewrite to do this unsorted.
98 (insert_into_field_list_sorted): Rename old insert_into_field_list
100 (create_function_info_for): Use insert_into_field_list_sorted.
101 (create_variable_info_for): Rewrite so it uses unsorted version,
102 since the field list is sorted.
103 (intra_create_variable_infos): Only add to referenced_vars if
104 referenced_vars exists.
105 (ipa_pta_execute): Init heapvars, and delete when done.
106 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
108 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
110 * doc/install.texi: Add missing `@samp'.
112 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
114 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
117 2006-02-18 Mark Wielaard <mark@klomp.org>
119 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
120 who added new 4.1 features, bug fixes and integration support.
122 2006-02-18 David Edelsohn <edelsohn@gnu.org>
125 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
128 2006-02-18 Richard Sandiford <richard@codesourcery.com>
130 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
131 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
132 (copy_insn_1): Likewise. Don't copy each field individually.
134 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
136 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
137 * rtl.c (rtx_size): Rename variable to...
138 (rtx_code_size): ...this.
139 (rtx_size): New function.
140 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
141 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
143 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
144 * rtl.h (rtx_code_size): New variable.
145 (rtx_size): Change from a variable to a function.
146 (RTX_SIZE): Rename to...
147 (RTX_CODE_SIZE): ...this.
150 PR tree-optimization/17106
151 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
152 (Anchored Addresses): New section.
153 * doc/invoke.texi (-fsection-anchors): Document.
154 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
155 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
156 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
157 * hooks.c (hook_bool_mode_rtx_false): New function.
158 * hooks.h (hook_bool_mode_rtx_false): Declare.
159 * gengtype.c (create_optional_field): New function.
160 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
161 SYMBOL_REF_IN_BLOCK_P is true.
162 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
163 (min_anchor_offset, max_anchor_offset): Likewise.
164 (use_anchors_for_symbol_p): New hook.
165 * toplev.c (compile_file): Call output_object_blocks.
166 (target_supports_section_anchors_p): New function.
167 (process_options): Check that -fsection-anchors is only used on
168 targets that support it and when -funit-at-a-time is in effect.
169 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
170 if the decl doesn't have one.
171 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
172 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
173 of force_const_mem through use_anchored_address.
174 (expand_expr_constant): New function.
175 (expand_expr_addr_expr_1): Call it. Use the same modifier when
176 calling expand_expr for INDIRECT_REF.
177 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
178 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
179 * expr.h (use_anchored_address): Declare.
180 * loop-unroll.c: Don't declare rtx vectors here.
181 * explow.c: Include output.h.
182 (validize_mem): Call use_anchored_address.
183 (use_anchored_address): New function.
184 * common.opt (-fsection-anchors): New switch.
185 * varasm.c (object_block_htab, anchor_labelno): New variables.
186 (hash_section, object_block_entry_eq, object_block_entry_hash)
187 (use_object_blocks_p, get_block_for_section, create_block_symbol)
188 (use_blocks_for_decl_p, change_symbol_section): New functions.
189 (get_variable_section): New function, split out from assemble_variable.
190 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
191 use_blocks_for_decl_p say so. Use change_symbol_section if the
192 symbol has already been created.
193 (assemble_variable_contents): New function, split out from...
194 (assemble_variable): ...here. Don't output any code for
195 block symbols; just pass them to place_block_symbol.
196 Use get_variable_section and assemble_variable_contents.
197 (get_constant_alignment, get_constant_section, get_constant_size): New
198 functions, split from output_constant_def_contents.
199 (build_constant_desc): Create a block symbol if use_object_blocks_p
200 says so. Or into SYMBOL_REF_FLAGS.
201 (assemble_constant_contents): New function, split from...
202 (output_constant_def_contents): ...here. Don't output any code
203 for block symbols; just pass them to place_section_symbol.
204 Use get_constant_section and get_constant_alignment.
205 (force_const_mem): Create a block symbol if use_object_blocks_p and
206 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
207 (output_constant_pool_1): Add an explicit alignment argument.
208 Don't switch sections here.
209 (output_constant_pool): Adjust call to output_constant_pool_1.
210 Switch sections here instead. Don't output anything for block symbols;
211 just pass them to place_block_symbol.
212 (init_varasm_once): Initialize object_block_htab.
213 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
214 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
215 (place_block_symbol, get_section_anchor, output_object_block)
216 (output_object_block_htab, output_object_blocks): New functions.
217 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
218 (TARGET_ASM_OUT): Include it.
219 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
220 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
221 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
222 (TARGET_INITIALIZER): Include them.
223 * rtl.c (rtl_check_failed_block_symbol): New function.
224 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
225 (block_symbol, object_block): New structures.
226 (rtx_def): Add a block_symbol field to the union.
227 (BLOCK_SYMBOL_CHECK): New macro.
228 (rtl_check_failed_block_symbol): Declare.
229 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
230 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
231 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
232 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
233 * output.h (output_section_symbols): Declare.
234 (object_block): Name structure.
235 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
236 (default_use_anchors_for_symbol_p): Declare.
237 * Makefile.in (RTL_BASE_H): Add vec.h.
238 (explow.o): Depend on output.h.
239 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
240 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
241 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
242 (rs6000_use_blocks_for_constant_p): New function.
244 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
246 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
248 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
251 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
254 2006-02-18 Diego Novillo <dnovillo@redhat.com>
256 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
260 2006-02-18 Jakub Jelinek <jakub@redhat.com>
263 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
264 instead of DECL_REGISTER.
266 2006-02-18 Olivier Hainque <hainque@adacore.com>
269 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
271 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
274 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
275 * opth-gen.awk: Handle Var and InverseMask together.
276 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
277 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
278 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
279 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
281 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
282 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
283 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
284 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
285 LINUX_DYNAMIC_LINKER): Define.
286 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
287 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
289 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
290 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
291 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
293 (TARGET_C99_FUNCTIONS): Don't define.
294 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
295 GLIBC_DYNAMIC_LINKER.
296 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
297 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
298 GLIBC_DYNAMIC_LINKER64): Define.
299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
300 LINUX_DYNAMIC_LINKER64.
301 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
303 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
304 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
305 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
307 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
308 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
309 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
311 and LINUX_DYNAMIC_LINKER32.
312 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
314 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
316 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
318 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
319 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
320 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
321 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
322 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
323 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
324 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
325 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
326 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
327 LINUX_DYNAMIC_LINKER): Define.
328 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
329 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
330 GLIBC_DYNAMIC_LINKER64): Define.
331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
332 LINUX_DYNAMIC_LINKER64.
333 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
334 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
335 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
336 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
337 LINUX_DYNAMIC_LINKER): Define.
338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
339 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
340 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
341 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
342 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
343 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
344 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
345 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
346 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
347 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
349 * doc/invoke.texi (-muclibc): Remove caveat about supported
352 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
354 * doc/cpp.texi (__TIMESTAMP__): Document.
356 2006-02-17 Roger Sayle <roger@eyesopen.com>
359 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
360 C is one less than the width of X (and related transformations).
361 * simplify_rtx.c (simplify_unary_operation_1): Transform
362 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
363 depending on STORE_FLAG_VALUE, were C is one less then the
366 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
368 Fix PR tree-optimization/26341
369 * tree-ssa-operands.c (add_virtual_operand): Remove assert
370 about NAME_MEMORY_TAG's.
372 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
375 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
376 with hardware float support, and software float support. Add fcpy
377 alternative to hardware patterns. Add alternatives to copy between
378 general and floating-point registers to the 32-bit pattern.
379 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
380 secondary reload to load a QI or HI mode constant into a floating
382 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
383 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
385 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
388 * config/rs6000/darwin.md (load_macho_picbase_si): Add
390 (load_macho_picbase_di): Likewise.
392 2006-02-16 Jeff Law <law@redhat.com>
394 * tree-vrp.c (set_value_range_to_nonnegative): New function.
395 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
396 (ssa_name_nonzero_p): Likewise.
397 (get_value_range): Return NULL if VRP is not running.
398 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
399 VRP routines do not discover a range.
400 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
401 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
402 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
403 (tree_expr_nonnegative_p): Similarly.
404 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
405 (restore_nonzero_vars_to_original_value): Remove.
406 (unsafe_associative_fp_binop): Remove.
407 (tree_ssa_dominator_optimize): Remove initialization and
408 finalization of nonzero_vars and nonzero_vars_stack.
409 (dom_opt_initialize_block): No longer push marker on
411 (dom_opt_finalize_block): No longer call
412 restore_nonzero_vars_to_original_value.
413 (record_equivalences_from_phis): No longer look for
414 nonzero PHI arguments.
415 (cprop_into_successor_phis): No longer propagate nonzero
416 property into PHI arguments. Lose unused argument. Caller
418 (record_equivalences_from_stmt): No longer record nonzero
419 values for SSA_NAMEs.
420 (lookup_avail_expr): No longer use nonzero_vars.
422 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
423 for sizetype when sizetype is unsigned.
425 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
427 PR rtl-optimization/25603
428 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
429 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
430 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
431 with new meaning of SETS.
433 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
438 * config/linux.opt: New file.
439 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
440 LINUX_DYNAMIC_LINKER): Define.
441 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
442 * config.gcc (*-*-linux*): Define extra_options.
443 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
444 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
445 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
446 GLIBC_DYNAMIC_LINKER.
447 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
448 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
449 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
450 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
451 * doc/invoke.texi (GNU/Linux Options): New section.
453 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
455 * config/sparc/sparc.md (setjmp): Rewrite.
457 (setjmp_64): Likewise.
459 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
461 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
464 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
466 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
469 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
471 PR rtl-optimization/26296
472 * Makefile.in (loop-invariant.c): Add except.h dependency.
473 * loop-invariant.c: Include except.h.
474 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
476 2005-02-16 Paul Brook <paul@codesourcery.com>
478 * reload1.c (emit_reload_insns): Invalidate dead input registers used
481 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
483 PR rtl-optimization/25636
484 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
485 when deciding whether an insn is an initializing insn.
487 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
489 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
490 (tree_code_size): Ditto.
491 * tree.h (struct tree_memory_tag): Remove parent_var.
492 (struct tree_struct_field_tag): New.
495 (union tree_node): Add sft member.
496 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
498 (create_sft): Add size and offset argument, set SFT_OFFSET and
500 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
501 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
502 * tree-flow-inline.h (get_subvar_at): Update for
504 (var_can_have_subvars): Ditto.
505 (overlap_subvar): Ditto.
506 * print-tree.c (print_node): Print out interesting things for
508 * tree-flow.h (struct subvar): Remove offset and size members.
509 * tree-ssa-operands.c (get_expr_operands): Update for
510 get_indirect_ref_operands changes.
511 (get_indirect_ref_operands): Call add_virtual_operand instead of
512 add_stmt_operand. Only recurse on base var if requested.
513 (access_can_touch_variable): New function.
514 (add_stmt_operand): Split virtual operand handling into ...
515 (add_virtual_operand): Here. Add offset, size, and for_clobber
516 arguments. Prune alias sets.
517 (add_call_clobber_ops): Call add_virtual_operand.
519 2006-02-15 Jakub Jelinek <jakub@redhat.com>
522 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
524 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
525 than TREE_CODE as index into omp_clause_num_ops array.
527 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
529 PR rtl-optimization/26184
530 * modulo-sched.c (generate_reg_moves): Free bitmap vector
532 * modulo-sched.c (sms_schedule): Free g_arr pointer.
533 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
534 must_precede, must_follow and tobe_scheduled.
537 * opts.c (common_handle_option): Free new_option pointer.
538 * df-core.c (df_analyze): Free postorder pointer.
540 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
542 * Makefile.in: Fix the examples about the use of stamps
544 2006-02-15 Michael Matz <matz@suse.de>
548 * stor-layout.c (layout_decl): Zero-width bitfields aren't
549 influenced by maximum_field_alignment or DECL_PACKED.
550 (update_alignment_for_field): Ditto.
551 (place_field): Ditto.
552 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
555 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
557 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
558 (debug_flow_info): Pass it.
559 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
560 * bb-reorder.c (reorder_basic_blocks): Likewise.
561 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
562 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
563 * flow.c (life_analysis, recompute_reg_usage): Likewise.
564 * gcse.c (gcse_main, bypass_jumps): Likewise.
565 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
566 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
567 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
568 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
569 * rtl.h (dump_flow_info): Adjust prototype.
570 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
571 * var-tracking.c (variable_tracking_main): Likewise.
572 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
573 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
576 2006-02-15 Marcin Dalecki <martin@dalecki.de>
578 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
581 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
583 PR tree-optimization/26209
584 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
585 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
587 * tree-cfg.c (replace_uses_by): Do not alter cfg.
589 2006-02-14 Roger Sayle <roger@eyesopen.com>
592 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
593 (X,Y) and the corresponding symmetry related transformations.
594 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
595 (X,Y) and its symmetry related transformations.
597 2006-02-14 Roger Sayle <roger@eyesopen.com>
599 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
602 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
604 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
606 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
609 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
610 support COMDAT group.
611 * configure: Regenerate.
613 2006-02-14 Roger Sayle <roger@eyesopen.com>
618 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
620 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
622 Fix PR tree-optimization/26260
624 * doc/invoke.texi (max-fields-for-field-sensitive): Document
626 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
627 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
628 * tree-ssa-structalias.c (create_variable_info_for): Use
629 MAX_FIELDS_FOR_FIELD_SENSITIVE.
631 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
633 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
635 * tree-ssa-loop-niter.c (number_of_iterations_ne,
636 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
637 of the ending condition.
638 * tree-ssa-loop-manip.c: Include params.h.
639 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
640 tree_unroll_loop): New functions.
641 * tree-pass.h (pass_loop_prefetch): Declare.
642 * loop.c (rest_of_handle_loop_optimize): Test for
643 -fprefetch-loop-arrays-rtl.
644 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
645 * timevar.def (TV_TREE_PREFETCH): New timevar.
646 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
647 pass_loop_prefetch): New.
648 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
649 (cleanup_tree_cfg_loop): Call scev_reset.
650 * common.opt (fprefetch-loop-arrays-rtl): Add.
651 * tree-ssa-loop-prefetch.c: New file.
652 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
653 (new_temp_expr_table): Initialize expr_vars.
654 (free_temp_expr_table): Cleanup expr_vars.
655 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
656 expressions from being merged into one.
657 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
658 (struct tree_niter_desc): Add control, bound and cmp fields.
659 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
661 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
662 (tree-cfgcleanup.o): Add SCEV_H dependency.
663 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
664 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
666 2006-02-14 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/26258
669 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
670 in PHI argument processing.
672 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
674 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
675 new expression in the requested machine mode.
677 2006-02-13 Roger Sayle <roger@eyesopen.com>
679 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
680 directly, instead let do_compare_rtx_and_jump handle this for us.
681 * expr.c (expand_expr_real_1): Likewise.
682 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
683 before do_jump_by_parts_greater.
684 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
685 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
687 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
689 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
691 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
693 PR rtl-optimization/26235
694 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
695 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
698 2006-02-13 Jeff Law <law@redhat.com>
700 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
703 2006-02-13 Jakub Jelinek <jakub@redhat.com>
706 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
707 twice if decl is a builtin. When trying again, call get_callee_fndecl
708 first to verify it is still a builtin.
710 2006-02-13 Geoffrey Keating <geoffk@apple.com>
712 * dwarf2out.c (base_type_die): Don't add AT_name here.
713 (subrange_type_die): Don't add AT_name here.
714 (modified_type_die): Rearrange code flow. Do add AT_name here.
716 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
718 PR rtl-optimization/26247
719 PR rtl-optimization/26248
720 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
722 2006-02-13 Richard Sandiford <richard@codesourcery.com>
724 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
725 * config/fixtfdi.c: Likewise.
726 * config/fixunstfdi.c: Likewise.
727 * config/floatditf.c: Likewise.
729 2006-02-13 Roger Sayle <roger@eyesopen.com>
732 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
733 into (X,C2) if C1 is a subset of the bits of C2. Transform
734 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
736 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
738 2006-02-13 Josh Conner <jconner@apple.com>
741 * varasm.c (function_section): Check for section name before
742 calling select_section on targets that define
743 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
744 unlikely_text_section instead of hot_function_section if
745 first_function_block_is_cold.
747 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
750 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
752 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
754 PR rtl-optimization/26222
755 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
756 after tree->rtl expansion.
757 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
758 before passing it to emit_move_insn.
760 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
762 * doc/invoke.texi (-Write-strings): Document that it is enabled by
764 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
765 Clarify documentation.
766 * c-common.h (warn_write_strings): Remove.
767 * c-common.c (warn_write_strings): Likewise.
768 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
771 2006-02-12 Roger Sayle <roger@eyesopen.com>
774 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
775 (do_jump_parts_zero_rtx): New function renamed from
776 do_jump_parts_equality_rtx. Made static. Add a mode argument.
777 (do_jump_parts_equality_rtx): New function split out from
778 do_jump_parts_equality. Old implementation renamed as above.
779 Call do_jump_parts_zero_rtx if either operand is zero.
780 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
781 do all of the heavy lifting.
782 (do_compare_rtx_and_jump): Handle multi-word comparisons by
783 calling either do_jump_by_parts_greater_rtx or
784 do_jump_by_parts_equality_rtx.
785 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
786 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
787 moved to do_compare_rtx_and_jump, call it directly.
788 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
789 mode argument. Call do_compare_rtx_and_jump.
790 (emit_case_nodes): Update calls to do_jump_if_equal.
792 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
794 PR rtl-optimization/26225
795 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
797 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
799 PR rtl-optimization/26232
800 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
802 2006-02-11 Jason Merrill <jason@redhat.com>
805 * tree-inline.c (declare_return_variable): Just don't use the
806 modify target if it's a gimple complex reg and the return slot
809 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
811 * doc/contrib.texi: Update my entry.
813 2006-02-10 Geoffrey Keating <geoffk@apple.com>
815 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
817 2006-02-10 Diego Novillo <dnovillo@redhat.com>
819 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
822 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
824 * doc/invoke.texi (-floop-optimize2): Removed.
825 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
826 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
827 Test flag_branch_on_count_reg only if HAVE_doloop_end.
828 * common.opt (floop-optimize2): Removed.
829 (fmove-loop-invariants): Enabled by default.
831 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
833 * tree-if-conv.c (combine_blocks): Free the result of
836 2006-02-10 Jeff Law <law@redhat.com>
838 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
840 PR tree-optimization/26213
841 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
842 loop trying to follow SSA_NAME_VALUE chains.
844 2006-02-10 Richard Guenther <rguenther@suse.de>
846 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
847 deal with structures that end in implicitly variable sized arrays.
849 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
851 PR rtl-optimization/24762
852 * df-scan.c (df_bb_refs_record): Record correct registers defined on
855 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
857 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
858 (struct ivopts_data): Add regs_used field.
859 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
860 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
861 instead of loop_data->regs_used;
862 (free_loop_data): Do not free aux fields for loops.
863 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
864 and tree_ssa_iv_optimize_finalize.
866 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
868 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
870 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
873 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
874 computing the effective result type.
876 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
879 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
880 (tree_overlaps_hard_reg_set): Declare.
881 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
882 type and signature to match function type expected by walk_tree.
883 (tree_overlaps_hard_reg_set): New function.
884 (decl_conflicts_with_clobbers_p): Rename to:
885 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
886 Use tree_overlaps_hard_reg_set. Changed caller.
887 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
888 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
889 * cris.c (cris_md_asm_clobbers): Likewise.
891 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
893 * reload1.c (emit_input_reload_insns): Delete code that tries to
894 inherit using find_equiv_reg.
896 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
898 * c-common.h (flag_const_strings): Don't declare.
899 * c-common.c (flag_const_strings): Remove.
900 * c.opt (fconst_strings): Remove.
901 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
902 <OPT_Wwrite_strings>: Don't set flag_const_strings.
903 (c_common_init_options): Don't set flag_const_strings.
904 * doc/invoke.texi (-fno-const-strings): Remove documentation.
906 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
908 * arm.md (tlobits_cbranch): New pattern.
909 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
910 testing a single bit.
912 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
915 * tree-ssa-pre.c (create_component_ref_by_pieces):
916 Handle RETURN_DECL like VAR_DECL.
918 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
921 * fold-const.c (fold_indirect_ref_1): Fold
922 "*(foo *)&complexfoo" to "__real__ complexfoo"
923 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
925 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
927 * tree-flow-inline.h (var_can_have_subvars):
928 Volatile variables should not have subvariables.
930 2006-02-09 Diego Novillo <dnovillo@redhat.com>
933 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
934 multiplying unsigned values.
937 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
939 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
941 2006-02-08 Jason Merrill <jason@redhat.com>
944 * tree.def: Elaborate on difference from MODIFY_EXPR.
945 * doc/c-tree.texi (INIT_EXPR): Likewise.
946 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
947 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
948 (gimplify_target_expr): Likewise.
949 (gimplify_cond_expr): Remove target handling.
950 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
951 (gimplify_expr): Clobber it here.
952 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
953 Do return slot optimization if we have an INIT_EXPR.
956 * tree-inline.c (declare_return_variable): Also clear
957 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
960 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
963 * gimplify.c (gimplify_one_sizepos): Fix typo.
965 2006-02-08 Jeff Law <law@redhat.com>
967 PR tree-optimization/21417
968 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
969 across a backedge if the control statement at the end of the
970 block is data dependent on other statements in the same block.
971 (record_temporary_equivalences_from_stmts): Remove over-conservative
972 test for threading across backedges.
974 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
975 control statement, handle all three special cases in the same
976 manner as they all have the same desired solution. No longer
977 special case edge flag updating when the post dominator is
980 2006-02-08 Roger Sayle <roger@eyesopen.com>
982 * tree.def (CHAR_TYPE): Remove.
983 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
984 * dwarf2out.c (base_type_die, is_base_type): Likewise.
985 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
986 (gen_string_type_die): Delete unreachable function.
988 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
989 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
990 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
991 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
992 * builtins.c (type_to_class): Likewise.
993 * fold-const.c (fold_convert, build_range_check,
994 merge_ranges): Likewise.
995 * expr.c (count_type_elements): Likewise.
996 * c-pretty-print.c (pp_c_type_specifier): Likewise.
997 * stor-layout.c (layout_type): Likewise.
998 * ipa-type-escape.c (type_to_consider): Likewise.
999 * gimplify.c (omp_firstprivatize_type_sizes,
1000 gimplify_type_sizes): Likewise.
1001 * explow.c (promote_mode): Likewise.
1002 * tree-sra.c (is_sra_scalar_type): Likewise.
1003 * varasm.c (output_constant): Likewise.
1004 * tree-inline.c (remap_type_1): Likewise.
1005 * convert.c (convert_to_pointer, convert_to_real,
1006 convert_to_integer, convert_to_complex): Likewise.
1008 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1010 * df-scan.c (df_def_record_1): A set destination may
1011 be a parallel regardless of mode.
1013 2006-02-08 Roger Sayle <roger@eyesopen.com>
1016 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1017 * config/mips/_tilib.c: Remove.
1018 * config/fixtfdi.c: New libgcc source file.
1019 * config/fixunstfdi.c: New source file.
1020 * config/floatditf.c: New source file.
1021 * config/floatunditf.c: New souce file.
1022 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1023 files above instead of config/mips/_tilib.c.
1024 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1026 2006-02-08 Jeff Law <law@redhat.com>
1028 PR tree-optimization/26169
1029 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1032 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1034 * df.h (DF_REG_SIZE): Return the length of the initialized
1037 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1039 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1040 __muldf3): Return a correctly signed zero.
1042 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1044 * passes.c (register_one_dump_file): Accept the current properties
1045 instead of pass number. Adjust call to dump_register. Remove
1047 (register_dump_files): Now a wrapper around...
1048 (register_dump_files_1): ... this one. Do not modify the pass
1050 (next_pass_1): Cosmetic fix.
1051 (execute_todo): Keep second parameter only. Use curr_properties
1052 instead of fetching it from the pass structure. Check and set
1054 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1055 instead of fetching it from the pass structure. Fix calls to
1056 execute_todo. Update curr_properties and initialize .vcg RTL dump
1057 after running the pass. Reset last_verified.
1058 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1060 (FIRST_AUTO_NUMBERED_DUMP): New.
1061 (dump_register): Remove "num" parameter, assign it within the
1063 (get_dump_file_name): Modify template for dumps.
1064 * tree-dump.h (dump_register): Adjust prototype.
1065 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1066 (PROP_trees): Add PROP_gimple_lomp.
1067 (TODO_set_props): New.
1068 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1069 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1070 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1072 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1074 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1075 (sparc64-*-linux*): Likewise.
1076 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1077 * config/sparc/t-linux: New file.
1078 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1079 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1080 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1081 -m32 -mlong-double-128.
1083 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1084 * config/alpha/t-linux: New file.
1085 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1087 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1088 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1089 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1090 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1091 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1092 (CPP_ARCH32_SPEC): Remove.
1094 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1096 PR tree-optimization/26145
1097 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1100 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1103 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1104 >= 240000 when generating code for SOM runtime.
1105 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1106 to $$dyncall when generating code for SOM runtime..
1108 2006-02-07 Dirk Mueller <dmueller@suse.com>
1111 * doc/invoke.texi (-Wsequence-point): Update documentation
1112 that -Wsequence-point is implemented for C++ as well.
1114 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1116 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1117 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1118 (LIB_SPEC): Likewise.
1119 * doc/invoke.texi (SPARC options): Document -pthread.
1121 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1123 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1126 2006-02-07 Roger Sayle <roger@eyesopen.com>
1128 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1129 Correct comment describing BOOLEAN_TYPE.
1131 2006-02-07 Dirk Mueller <dmueller@suse.com>
1133 * c.opt: C++ frontend supports -Wdiv-by-zero.
1134 * c-opts.c (c_common_handle_option): Remove dead case.
1136 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1138 * configure.ac (TLS assembler check): Do not enable TLS by
1139 default on SPARC/Solaris before version 10.
1140 * configure: Regenerate.
1142 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1144 * doc/invoke.texi (xl-compat): Document conversion and support
1147 2006-02-07 Jeff Law <law@redhat.com>
1149 * tree-vrp.c (find_conditional_asserts): Update comments.
1150 (simplify_stmt_for_jump_threading): New.
1151 (identify_jump_threads, finalize_jump_threads): New.
1152 (vrp_finalize): Call identify_jump_threads.
1153 (execute_vrp): Call finalize_jump_threads.
1154 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1155 (vrp_element, vrp_data, vrp_element_p): Remove.
1156 (vrp_hash_elt, vrp_variables_stack): Remove.
1157 (vrp_hash, vrp_eq, record_range): Remove.
1158 (simplify_cond_and_lookup_avail_expr): Remove.
1159 (extract_range_from_cond): Remove.
1160 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1161 (simplify_stmt_for_jump_threading): New.
1162 (dom_thread_across_edge): New wrapper.
1163 (tree_ssa_dominator_optimize): No longer initialize or
1164 finalize any of the VRP datastructures. Remove iteration
1165 step and simplify as a result of removal of iteration step.
1166 (pass_dominator): Perform a cfg cleanup after DOM.
1167 (dom_opt_finalize_block): Use the new common routines
1168 for threading jumps. Simplify stack management slightly.
1169 No longer need to unwind VRP state.
1170 (record_equivalences_from_incoming_edge): No longer record
1172 (eliminate_redundant_computations): No longer call
1173 simplify_cond_and_lookup_avail_expr.
1174 * tree-flow.h (potentially_threadable_block): Prototype.
1175 (thread_across_edge): Likewise.
1176 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1177 (tree-ssa-threadedge.o): Add dependencies.
1178 * tree-ssa-threadedge.c: New file.
1179 * passes.c (init_optimization_passes): Merge PHIs before
1180 calling VRP. Run VRP again late in the SSA optimization pipeline.
1182 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1184 * df-core.c (df_set_blocks): Do not dereference function pointers.
1185 (df_finish1): Likewise.
1186 (df_hybrid_search_forward): Likewise.
1187 (df_hybrid_search_backward): Likewise.
1188 (df_iterative_dataflow): Likewise.
1189 (df_analyze_problem): Likewise.
1190 (df_compact_blocks): Likewise.
1191 (df_dump): Likewise.
1192 * df-scan.c (df_rescan_blocks): Likewise.
1193 (df_record_entry_block_defs): Likewise.
1195 * genconditions.c (write_conditions): Guard the definition of
1196 'insn_conditions' with the check on GCC version.
1197 (write_writer): Guard the traversal 'insn_conditions' with
1198 the check on GCC version.
1200 2006-02-07 Richard Guenther <rguenther@suse.de>
1204 2006-01-30 Richard Guenther <rguenther@suse.de>
1206 * gimplify.c (gimplify_target_expr): Handle easy cases
1207 without creating a temporary.
1209 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1211 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1212 use of float in probability computations. Use edge probabilities
1213 in place of statically computed probabilities.
1214 (min_spec_prob): New static variable.
1215 (schedule_insns): Initialize it.
1216 (GET_SRC_PROB): Removed.
1217 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1219 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1222 * config/ia64/unwind-ia64.c: Revert last change.
1223 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1224 (INCOMING_FRAME_SP_OFFSET): Define.
1226 2006-02-06 Roger Sayle <roger@eyesopen.com>
1228 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1230 2006-02-07 Ben Elliston <bje@au.ibm.com>
1232 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1233 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1234 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1235 (ix86_return_in_memory): Handle TDmode.
1236 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1237 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1239 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1241 * reorg.c (dbr_schedule): Use dump_file instead of file.
1243 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1246 * config/ia64/predicates.md (extr_len_operand): New predicate.
1247 * config/ia64/ia64.md (extv): Tighten constraints.
1249 (*tbit_and_2): Ditto.
1250 (*tbit_and_3): Ditto.
1251 (*tbit_or_2): Ditto.
1252 (*tbit_or_3): Ditto.
1256 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1259 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1261 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1263 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1264 loop_optimizer_init and loop_optimizer_finalize
1265 * tree-ssa-sink.c (execute_sink_code): Ditto.
1266 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1267 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1268 tree_ssa_loop_done): Ditto.
1269 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1270 * sched-ebb.c: Include output.h.
1271 (schedule_ebbs): Do not use dump argument.
1272 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1273 * loop.c (loop_dump_stream): Removed.
1274 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1276 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1277 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1278 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1279 loop_iterations, strength_reduce, record_biv, record_giv,
1280 final_giv_value, check_final_value, check_ext_dependent_givs,
1281 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1282 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1283 dump_file instead of loop_dump_stream.
1284 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1286 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1288 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1289 * haifa-sched.c: Include output.h
1290 (schedule_insns, sched_init): Do not use dump argument.
1291 * mode-switching.c (optimize_mode_switching): Ditto.
1292 * modulo-sched.c (stats_file): Removed.
1293 (print_node_sched_params): Do not call argument dump_file.
1294 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1295 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1297 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1299 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1300 rtl_loop_init, rtl_loop_done): Ditto.
1301 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1302 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1304 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1305 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1306 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1307 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1308 * emit-rtl.c (renumber_insns): Ditto.
1309 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1310 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1311 * regclass.c (regclass): Ditto.
1312 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1313 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1314 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1315 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1317 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1318 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1320 * gcse.c (gcse_file, debug_stderr): Removed.
1321 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1322 rest_of_handle_gcse): Do not use dump argument.
1323 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1324 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1325 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1326 compute_code_hoist_vbeinout, compute_code_hoist_data,
1327 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1328 compute_store_table, build_store_vectors, insert_insn_start_bb,
1329 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1330 store_motion): Use dump_file instead of gcse_file.
1331 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1332 * profile.c (profile_dump_file): Removed.
1333 (branch_prob): Use dump_file instead of profile_dump_file.
1334 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1336 * tree-ssa-copy.c (dump_copy_of): Ditto.
1337 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1338 dump file to life_analysis.
1339 * bt-load.c (branch_target_load_optimize): Ditto.
1340 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1342 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1343 regclass, dbr_schedule): Declaration changed.
1344 * sched-int.h (sched_init): Declaration changed.
1345 * tree-profile.c (tree_profile_dump_file): Removed.
1346 (tree_profile_hooks): Removed profile_dump_file hook.
1347 * rtl-profile (rtl_profile_dump_file): Removed.
1348 (rtl_profile_hooks): emoved profile_dump_file hook.
1349 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1351 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1352 * tree-cfg.c (build_tree_cfg): Ditto.
1353 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1354 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1355 Declaration changed.
1356 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1357 life_analysis and schedule_insns.
1358 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1360 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1362 * config/mips/mips.c (mips_reorg): Ditto.
1363 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1366 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1368 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1369 (s390_mangle_fundamental_type): New.
1370 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1373 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1374 (alpha_mangle_fundamental_type): New.
1375 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1378 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1380 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1382 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1383 (sparc_mangle_fundamental_type): New.
1385 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1387 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1388 (s390x-*-linux*): Likewise.
1389 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1390 * config/s390/t-linux: New file.
1392 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1394 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1395 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1397 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1399 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1400 (ANTIC_SAFE_LOADS): New macro.
1401 (find_or_generate_expression): Add prototype.
1402 (set_contains_value): Allow null set for sake of not always having
1403 to allocate ANTIC_SAFE_LOADS.
1404 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1405 Allow COMPONENT_REF too.
1406 (valid_in_set): Allow COMPONENT_REF.
1407 Check ANTIC_SAFE_LOADS too.
1408 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1409 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1411 (can_PRE_operation): Add COMPONENT_REF.
1412 (create_component_ref_by_pieces): New function.
1413 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1414 (insert_aux): Move AGGREGATE_TYPE_P check here.
1415 (compute_avail): Set bb local stmt uids.
1416 (pass_pre): Use TODO_update_ssa_only_virtuals.
1418 2006-02-06 Ben Elliston <bje@au.ibm.com>
1420 * configure.ac: Unconditionally disable decimal float by default.
1421 * configure: Regenerate.
1423 2006-02-06 Ben Elliston <bje@au.ibm.com>
1425 * read-rtl.c (read_name): Terminate reading on EOF.
1427 2006-02-06 Ben Elliston <bje@au.ibm.com>
1429 * dfp.c (decimal_real_arithmetic): Change second argument type
1430 from int to enum tree_code. Do not always return true, but now
1431 return result of any call to decimal_do helper functions.
1432 * dfp.h (decimal_real_arithmetic): Update prototype.
1434 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1436 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1438 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1441 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1444 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1446 * tree-vrp.c (cfg_loops): Removed.
1447 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1448 Use current_loops instead of cfg_loops. Pass flags to
1449 loop_optimizer_init.
1450 * cfgloopmanip.c (fix_loop_structure): Update only available
1452 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1453 loop_optimizer_init.
1454 * modulo-sched.c (build_loops_structure): Removed.
1455 (sms_schedule): Use loop_optimizer_init.
1456 * loop-init.c (loop_optimizer_init): Use flags to determine
1457 which properties of loops to prepare.
1458 (rtl_loop_init): Pass flags to loop_optimizer_init.
1459 * tree-ssa-sink.c (execute_sink_code): Ditto.
1460 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1461 * tree-ssa-pre.c (init_pre): Ditto.
1462 * cfgloop.h (LOOPS_NORMAL): New.
1463 (loop_optimizer_init): Declaration changed.
1465 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1467 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1468 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1470 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1472 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1474 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1475 * pa/t-pa64: Delete quadlib.c rule.
1476 * pa/x-ada: Revert last change.
1477 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1479 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1481 PR rtl-optimization/26087
1482 * rtlanal.c (canonicalize_condition): Do not cross basic block
1485 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1488 * config/ia64/ia64.c: Include debug.h.
1489 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1490 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1491 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1492 (process_epilogue, process_set, process_for_unwind_directive):
1493 Output unwind info only if requested. Add CFA info if requested.
1494 Add new arguments as needed. Adjust callers.
1495 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1497 (DWARF2_FRAME_INFO): Define to zero.
1498 * config/ia64/unwind-ia64.c: Remove code that compensated for
1499 the CFA offset error fixed above.
1500 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1501 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1502 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1503 -funwind-tables and -fexceptions to enable frame info.
1504 (dwarf2out_frame_init): Define initial CFA even if
1505 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1506 DWARF2_UNWIND_INFO is nonzero, not just defined.
1507 (dwarf2out_frame_finish): Output non-EH call frame info only
1508 if DWARF2_FRAME_INFO is nonzero.
1509 (convert_cfa_to_loc_list,
1510 compute_frame_pointer_to_cfa_displacement): Define even if
1511 unwind info is not supported.
1512 (gen_subprogram_die): Use the above unconditionally. Remove
1513 legacy alternate code.
1514 * toplev.c (compile_file): Compile in call to
1515 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1516 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1518 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1519 Jakub Jelinek <jakub@redhat.com>
1521 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1522 IBM extended float format long double as "g" on powerpc*-linux.
1524 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1527 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1528 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1530 2006-02-03 Jason Merrill <jason@redhat.com>
1533 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1536 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1537 on the return slot if it's an NRV.
1539 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1541 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1542 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1543 rewrite_use): Do not handle USE_OUTER.
1544 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1545 add_iv_outer_candidates, may_replace_final_value,
1546 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1547 (find_interesting_uses_op): Functionality of
1548 find_interesting_uses_outer_or_nonlin moved here.
1549 (find_interesting_uses_outside): Use find_interesting_uses_op.
1551 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1554 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1556 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1557 Ulrich Weigand <uweigand@de.ibm.com>
1560 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1561 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1562 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1563 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1565 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1566 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1567 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1568 Define secondary reloads for TFmode moves.
1569 (constant_modes): Add TFmode.
1570 (NR_C_MODES): Set to 8.
1571 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1573 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1574 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1575 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1576 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1577 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1578 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1579 (FPR mode macro): Add TFmode.
1580 (DSF mode macro): New.
1581 (<de>, <dee> mode attributes): Removed.
1582 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1583 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1584 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1585 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1586 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1587 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1588 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1589 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1590 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1591 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1592 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1593 "*negabs<mode>2", "sqrt<mode>2"):
1594 Changed <de> to <xde>. R constraint replaced by <Rf>.
1595 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1597 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1598 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1599 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1601 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1602 "extenddftf2", "extendsftf2"): New expanders.
1603 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1604 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1605 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1606 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1608 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1609 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1610 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1611 __floatditf): Add a GCC_4.1.0 symbol version tag.
1612 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1615 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1618 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1619 Use targetm.binds_local_p instead of TREE_PUBLIC.
1621 2006-02-02 Roger Sayle <roger@eyesopen.com>
1623 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1624 on INTEGER_TYPEs to indicate that it denotes a character type.
1625 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1626 signed_char_type_node, unsigned_char_type_node and char_type_node.
1627 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1628 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1629 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1631 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1632 Daniel Berlin <dberlin@dberlin.org>
1634 * tree-tailcall.c (arg_needs_copy_p): New function.
1635 (eliminate_tail_call): Use arg_needs_copy_p.
1636 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1637 (add_virtual_phis): New function.
1639 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1641 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1642 #ignore instead of #scratch for %g7 .register directive.
1644 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1646 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1649 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1651 * flow.c (calculate_global_regs_live): Assert that there aren't any
1654 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1656 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1658 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1659 bsi_after_labels iterator.
1660 * tree-if-conv.c (find_phi_replacement_condition,
1661 replace_phi_with_cond_modify_expr): Likewise.
1662 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1663 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1665 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1667 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1669 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1672 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1673 array after growing it.
1675 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1678 * fold-const.c (fold_checksum_tree): Change type of buf.
1680 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1682 * reload.c (push_secondary_reload): Initialize t_icode.
1684 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1686 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1687 -msoft-float -mlong-double-128 only issue a warning, but don't
1688 swich to DFmode long double.
1690 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1692 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1693 has a constant equivalent, iterate over equivalents for arg0,
1694 calling simplify_relational_operation and if there's a result
1695 cheaper than X, apply fold_rtx and return the result.
1697 2006-02-01 Jan Hubicka <jh@suse.cz>
1699 * opts.c (no_unit_at_a_time_default): New global variable.
1700 (decode_options): Use it.
1701 * opts.h (no_unit_at_a_time_default): Declare.
1703 2006-02-01 Paul Brook <paul@codesourcery.com>
1705 * function.c (assign_parm_setup_reg): Use function argument promotion
1707 * expr.c (expand_expr_real_1): Use function argument promotion rules
1710 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1712 * gcc.c (process_command): Change j to 'unsigned int'.
1714 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1717 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1718 Use the corrected index for the character
1719 out of the string constant.
1721 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1723 * mode-switching.c (optimize_mode_switching): Fix size
1724 allocated for bb_info[n_entities].
1726 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1728 * gcc.c (main): Correct type that is allocated for
1729 explicit_link_files.
1731 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1733 * config/s390/s390.c (init_alignment_context): Set
1734 ALIAS_SET_MEMORY_BARRIER on the MEM.
1735 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1737 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1740 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1742 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1745 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1747 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1748 * regrename.c: Ditto.
1749 * tree-ssa-loop-im.c: Ditto.
1750 * tree-dump.c: Ditto.
1751 * tree-complex.c: Ditto.
1752 * genrecog.c: Ditto.
1753 * tree-ssa-threadupdate.c: Ditto.
1755 * java/class.c: Ditto.
1756 * java/jcf-parse.c: Ditto.
1757 * java/resource.c: Ditto.
1758 * java/except.c: Ditto.
1759 * java/jvspec.c: Ditto.
1760 * java/jcf-write.c: Ditto.
1761 * java/jcf-path.c: Ditto.
1762 * java/gjavah.c: Ditto.
1763 * java/zextract.c: Ditto.
1764 * java/jcf-io.c: Ditto.
1765 * java/jcf.h: Ditto.
1766 * java/buffer.c: Ditto.
1767 * java/lang.c: Ditto.
1768 * java/parse-scan.y: Ditto.
1769 * java/lex.c: Ditto.
1770 * java/lex.h: Ditto.
1771 * cfgloopmanip.c: Ditto.
1772 * postreload-gcse.c: Ditto.
1773 * tree-ssa-loop-manip.c: Ditto.
1774 * postreload.c: Ditto.
1775 * tree-ssa-loop-ch.c: Ditto.
1779 * diagnostic.c: Ditto.
1781 * genoutput.c: Ditto.
1783 * cfghooks.c: Ditto.
1784 * cfgloopanal.c: Ditto.
1785 * objc/objc-act.c: Ditto.
1787 * genextract.c: Ditto.
1788 * genautomata.c: Ditto.
1789 * pretty-print.c: Ditto.
1791 * cgraphunit.c: Ditto.
1794 * haifa-sched.c: Ditto.
1795 * dominance.c: Ditto.
1797 * tree-ssa-loop-ivopts.c: Ditto.
1799 * mode-switching.c: Ditto.
1800 * modulo-sched.c: Ditto.
1802 * ipa-pure-const.c: Ditto.
1804 * fix-header.c: Ditto.
1806 * tree-stdarg.c: Ditto.
1807 * ipa-utils.c: Ditto.
1808 * loop-init.c: Ditto.
1809 * ipa-inline.c: Ditto.
1812 * alloc-pool.c: Ditto.
1813 * dwarf2out.c: Ditto.
1815 * genattrtab.c: Ditto.
1816 * tree-ssa-loop-ivcanon.c: Ditto.
1820 * fortran/gfortranspec.c: Ditto.
1822 * local-alloc.c: Ditto.
1823 * langhooks.c: Ditto.
1824 * function.c: Ditto.
1825 * tree-vectorizer.c: Ditto.
1827 * ipa-type-escape.c: Ditto.
1829 * tree-if-conv.c: Ditto.
1832 * tree-data-ref.c: Ditto.
1833 * loop-unroll.c: Ditto.
1834 * treelang/treetree.c: Ditto.
1837 * ggc-common.c: Ditto.
1839 * coverage.c: Ditto.
1841 * tree-cfgcleanup.c: Ditto.
1842 * tree-ssa-pre.c: Ditto.
1843 * cfgcleanup.c: Ditto.
1844 * loop-invariant.c: Ditto.
1846 * ipa-prop.c: Ditto.
1847 * print-tree.c: Ditto.
1848 * conflict.c: Ditto.
1849 * ggc-page.c: Ditto.
1850 * sched-deps.c: Ditto.
1851 * regclass.c: Ditto.
1852 * tree-object-size.c: Ditto.
1854 * bb-reorder.c: Ditto.
1855 * resource.c: Ditto.
1856 * var-tracking.c: Ditto.
1858 * df-problems.c: Ditto.
1859 * reg-stack.c: Ditto.
1862 * sched-rgn.c: Ditto.
1863 * tree-ssa-structalias.c: Ditto.
1864 * tree-ssa-reassoc.c: Ditto.
1865 * config/darwin-c.c: Ditto.
1866 * config/darwin.c: Ditto.
1867 * config/arm/arm.c: Ditto.
1869 * collect2.c: Ditto.
1872 2006-01-31 Nicolas Pitre <nico@cam.org>
1874 * arm.md (smaxsi3): Make aware of smax_m1.
1877 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1879 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1881 2006-01-31 Richard Guenther <rguenther@suse.de>
1883 * doc/invoke.texi (-msselibm): Document.
1884 * target.h (expand_library_builtin): New target hook.
1885 * builtins.c (expand_builtin): Use expand_library_builtin.
1886 (default_expand_library_builtin): New function.
1887 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1888 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1889 (link_gcc_math_spec): Declare.
1890 (static_specs): Add link_gcc_math_spec.
1891 * expr.h (default_expand_library_builtin): Declare.
1892 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1893 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1894 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1895 * config/i386/i386.opt (msselibm): New target option.
1896 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1897 (ix86_init_sse_abi_builtins): New function.
1898 (ix86_expand_library_builtin): Likewise.
1899 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1900 (override_options): Handle error conditions wrt -msselibm.
1901 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1902 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1903 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1906 2006-01-31 Richard Guenther <rguenther@suse.de>
1907 Paolo Bonzini <bonzini@gnu.org>
1909 * doc/install.texi (--disable-libgcc-math): Document.
1911 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1913 * expr.h (expand_normal): new inline function.
1914 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1916 * dwarf2out.c: use it.
1921 * config/sparc/sparc.c: use it.
1922 * config/i386/i386.c: use it.
1923 * config/rs6000/rs6000.c: use it.
1924 * config/arm/arm.c: use it.
1925 * config/mips/mips.c: use it.
1926 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1928 2006-01-30 Roger Sayle <roger@eyesopen.com>
1930 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1931 argv to the appropriate type.
1933 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1935 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1938 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1941 * config/s390/s390.c (struct machine_function): New flag
1942 decomposed_literal_pool_addresses_ok_p.
1943 (s390_reorg): Set it before final stage of literal pool transforms.
1944 (s390_decompose_address): Only accept displacements of the form
1945 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1947 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1949 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1950 the comparison routine return.
1952 2006-01-30 Michael Matz <matz@suse.de>
1954 * global.c (find_reg): Only evict for global regs.
1955 Take n_refs into account and dump more info.
1957 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1960 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1961 (pragma_trap, pragma_nosave_low_regs): Likewise.
1962 (current_function_anonymous_args): Likewise.
1963 (sh_deferred_function_attributes): New variable.
1964 (sh_deferred_function_attributes_tail): Likewise.
1965 (print_operand): For '@', look up trap_exit attribute.
1966 (calc_live_regs): Look up trapa_handler attribute. For trapa
1967 handlers, save/restore fpscr, but don't do any other
1968 interrupt-specific saves.
1969 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1970 Fix check for partially saved registers to check for SHmedia.
1971 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1972 (sh_output_function_epilogue): Don't clear any of the removed
1974 (sh_insert_attributes): Don't check pragma_interrupt.
1975 Insert deferred attributes. Check that interrupt attribute is
1976 present for other attributes that require its presence.
1977 (sh_attribute_table): Add new attributes trapa_handler and
1979 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1980 Don't check for pragma_interrupt. Don't store argument.
1981 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1982 (sh_deferred_function_attributes): Declare.
1983 (sh_deferred_function_attributes_tail): Likewise.
1984 * sh.md (sp_switch_1): Add operand. Change generator caller.
1985 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1986 (*return_i): Don't use when trap_exit attribute is in effect.
1987 (*return_trapa): New insn pattern.
1989 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1990 setting c_target_objs and cxx_target_objs.
1991 * t-sh: Add rule for sh-c.o.
1993 2006-01-30 Richard Guenther <rguenther@suse.de>
1996 * gimplify.c (gimplify_target_expr): Handle easy cases
1997 without creating a temporary.
1999 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2001 * vec.h (safe_grow): Remove duplicated line.
2003 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2006 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2007 (expand_omp): ... here.
2008 (expand_omp_parallel): Only remove barriers for combined
2009 parallel+workshare constructs.
2011 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2015 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2016 * tree.c (build_qualified_type): Chain the new type to the original
2017 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2018 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2019 (build_pointer_type_for_mode): Only return unqualified types.
2020 (build_reference_type_for_mode): Likewise.
2022 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2024 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2025 * Makefile.in (CXX_COMPAT_WARN): Define.
2026 * configure: Regenerate.
2028 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2031 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2034 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2036 * toplev.c: Fix thinko.
2038 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2039 Marcin Dalecki <martin@dalecki.de>
2041 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2042 (push_srcloc): Use XNEW.
2043 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2045 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2047 * df-core.c (df_set_blocks): Deleted all variable.
2049 2006-01-28 Ian Lance Taylor <ian@airs.com>
2051 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2052 cgraph_output_pending_asms.
2054 2006-01-28 Zack Weinberg <zackw@panix.com>
2056 * c.opt: Add -W(no-)overlength-strings.
2057 * doc/invoke.texi: Document it.
2058 * c-opts.c (c_common_handle_option): -pedantic implies
2059 -Woverlength-strings, if not explicitly disabled already.
2060 (c_common_post_options): -Woverlength-strings defaults to off, and
2061 is always off for C++.
2062 * c-common.c (fix_string_type): Issue warning about strings longer
2063 than is portable only if warn_overlength_strings. Rearrange code
2064 a little for clarity.
2065 * configure.in: Check for -Wno-overlength-strings as well before
2066 enabling -pedantic in stage 1.
2067 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2068 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2070 * genconditions.c (write_header, write_one_condition)
2071 (write_conditions, write_writer): Consolidate very long strings
2072 that were broken up to fit in C89 portable limit. Don't use
2073 printf when fputs will do.
2075 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2077 * combine.c (simplify_comparison <AND>): Check
2078 TRULY_NOOP_TRUNCATION before start using a subreg.
2080 * config/mips/mips.md (*branch_zero<mode>,
2081 *branch_zero<mode>_inverted, *branch_equality<mode>,
2082 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2083 Remove mode check from comparisons.
2085 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2087 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2089 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2091 * expmed.c (const_mult_add_overflow_p): Remove.
2092 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2094 * recog.c (validate_replace_rtx_subexp): Remove.
2095 * recog.h: Remove the prototype for
2096 validate_replace_rtx_subexp.
2098 * integrate.h: Remove the prototype for
2099 copy_decl_for_inlining.
2100 * rtl.h: Remove the prototype for mark_constant_function.
2101 * tree-vectorizer.h: Remove the prototype for
2102 vect_strip_conversion.
2104 * modulo-sched.c (create_partial_schedule,
2105 free_partial_schedule, reset_partial_schedule): Make them
2108 * hooks.c (hook_bool_rtx_int_false): Remove.
2109 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2111 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2113 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2114 and -mlong-double-128 are incompatible.
2115 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2116 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2117 (TARGET_LIBGCC2_CFLAGS): Define.
2118 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2119 (TARGET_LIBGCC2_CFLAGS): Same.
2120 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2122 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2125 * c-typeck.c (build_binary_op): Perform implicit casts of
2126 operands before shortening them.
2128 * cfgloopmanip.c (split_loop_bb): Remove.
2129 * cfgloop.h: Remove the prototype for split_loop_bb.
2131 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2132 * cfgloop.h: Remove the prototype for
2133 flow_loop_outside_edge_p.
2135 * emit-rtl.c (init_virtual_regs): Make it static.
2136 * function.h: Remove the prototype for init_virtual_regs.
2138 * recog.c (peephole2_optimize): Make it static.
2139 * recog.h: Remove the prototype for peephole2_optimize.
2141 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2143 * df-scan.c (df_record_entry_block_defs): Check if
2144 INCOMING_RETURN_ADDR_RTX is defined.
2146 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2147 Kenneth Zadeck <zadeck@naturalbridge.com>
2149 PR rtl-optimization/24762
2150 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2151 * targhooks.c (hook_void_bitmap): New hook prototype.
2152 * targhoohs.h (hook_void_bitmap): Ditto.
2153 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2154 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2155 * target.h (live_on_entry): New function pointer.
2156 * df-scan.c (df_all_hard_regs): Removed.
2157 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2158 (df_scan_free_internal): Added df->entry_block_defs.
2159 (df_scan_alloc): Ditto.
2160 (df_scan_dump): Ditto.
2161 (df_uses_record): Plumbed flag field properly thru calls.
2162 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2163 This part fixes PR24762.
2164 (df_bb_refs_record): Added code to make the frame and arg
2165 pointers live in EH blocks.
2166 (df_refs_record): Added call to df_record_entry_block_defs.
2167 (df_record_entry_block_defs): New function.
2168 * df-core.c: Added comments to describe new artifical defs.
2169 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2170 (entry_block_defs): New field in struct df.
2171 (df_all_hard_regs): Deleted.
2172 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2173 * df-problems.c (df_ru_bb_local_compute_process_def):
2174 Added code to handle artifical defs in the entry to a function.
2175 (df_ru_bb_local_compute): Ditto.
2176 (df_rd_bb_local_compute_process_def): Ditto.
2177 (df_rd_bb_local_compute): Ditto.
2178 (df_lr_bb_local_compute): Ditto.
2179 (df_ur_bb_local_compute): Ditto.
2180 (df_urec_bb_local_compute): Ditto.
2181 (df_chain_create_bb): Ditto.
2182 (df_ur_local_finalize): Removed entry.
2183 (df_urec_init): Ditto.
2184 (df_urec_local_finalize): Ditto.
2185 (df_ri_bb_compute): Added detection of last use of pseudos.
2186 * Makefile.in (df-scan.o): Updated dependencies.
2187 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2188 * config/mips/mips.c (mips_set_live_on_entry): Added.
2189 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2191 * dce.c (marked_insn_p): Added code to handle artifical defs.
2193 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2195 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2197 (_mm_cvtsi128_si64): Likewise.
2198 (_mm_cvtsd_si64): Likewise.
2199 (_mm_cvttsd_si64): Likewise.
2200 (_mm_cvtsi64_sd): Likewise.
2201 (_mm_cvtsi64_si128): Likewise.
2202 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2203 (_mm_cvtsi64_m64): Likewise.
2204 (_m_to_int64): Likewise.
2205 (_mm_cvtm64_si64): Likewise.
2206 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2207 (_mm_cvttss_si64): Likewise.
2208 (_mm_cvtsi64_ss): Likewise.
2209 (_mm_cvtss_f32): Likewise.
2211 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2213 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2214 for pragma redefine_extname.
2216 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2219 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2220 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2221 -mno-minimal-toc to previous content.
2222 (bispecs): Remove goal.
2223 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2224 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2225 compatibility aliases on powerpc-*-*gnu*.
2226 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2227 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2228 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2229 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2230 (ldblspecs): New goal.
2231 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2232 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2234 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2235 L_sf_to_tf or L_df_to_tf is defined.
2237 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2238 Alan Modra <amodra@bigpond.net.au>
2241 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2242 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2243 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2244 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2245 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2246 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2247 (rs6000_override_options): Initialize rs6000_ieeequad.
2248 Initialize TFmode format to ibm_extended_format if not
2250 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2252 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2253 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2254 (function_arg_advance): IBM long double passed in two FPRs, not
2256 (function_arg): IBM long double passed in FPRs.
2257 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2258 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2259 Only multireg GPR aligned.
2260 (rs6000_init_libfuncs): Enable IBM long double functions if not
2262 (rs6000_generate_compare): Use IBM long double compare if not
2264 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2265 (TARGET_IEEEQUAD): Define.
2266 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2267 not TARGET_IEEEQUAD.
2268 * config/rs6000/rs6000.md: Enable TFmode patterns if
2270 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2271 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2272 and -mlong-double-128 are incompatible.
2273 * doc/invoke.texi (-mabi): Collect options together. Add
2274 ibmlongdouble and ieeelongdouble.
2276 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2278 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2280 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2281 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2282 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2283 * rtl.h (rtunion_def): Remove rt_ptr.
2285 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2286 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2287 * config/i386/winnt.c (i386_pe_mark_dllexport)
2288 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2290 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2292 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2294 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2298 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2299 pthread_key_delete. From John David Anglin. gthrw-ify
2300 pthread_getunique_np only if it it's not a macro. Delete
2302 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2303 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2304 __gthread_objc_condition_signal, __gthread_key_delete): Add
2305 "__attribute__ ((__unused__))" to unused arguments.
2306 (__gthread_recursive_mutex_init_function): Add missing return.
2307 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2308 gthr-posix95.h: Use macro-based approach for name redirection
2309 on targets missing weakref.
2311 2006-01-26 Zack Weinberg <zackw@panix.com>
2313 * genconditions.c (write_header): In generated code, #ifdef out
2314 all includes and fake declarations, except includes of bconfig.h
2315 and system.h, unless GCC_VERSION >= 3001. Do not include
2316 gensupport.h in any case.
2317 (write_conditions): Generate a definition of struct c_test. Add
2318 a comment to the generated #endif.
2319 (write_one_condition): Escape backslashes in string too.
2320 (write_writer): Generated code must escape backslashes and quote
2321 marks (but not newlines) in the strings it writes.
2322 * Makefile.in (build/gencondmd.o): Update dependencies.
2324 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2327 * Makefile.in (insn-automata.o): Add header file dependencies.
2328 * genautomata.c: Add includes.
2330 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2333 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2335 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2337 * configure.ac: Expect target tools paths to be passed from the toplevel
2338 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2340 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2342 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2345 * c.opt (Wpointer-sign): Init to -1.
2346 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2347 OPT_pedantic, to 0 otherwise.
2348 * doc/invoke.texi: Update.
2350 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2352 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2353 constants provided by 80387 instructions in the destination mode.
2355 2006-01-26 Richard Guenther <rguenther@suse.de>
2356 Andrew Pinski <pinskia@physics.uc.edu>
2359 partial PR tree-opt/17064
2360 * tree-ssa-structalias.c (intra_create_variable_infos):
2361 Create heap variables for incoming parameters if
2362 flag_argument_noalias > 1.
2363 (find_what_p_points_to): Look through default defs of
2366 2006-01-26 Jeff Law <law@redhat.com>
2369 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2370 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2371 within the VR_RANGE, use the VR_RANGE as the result, not the
2373 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2374 bounds for the type.
2376 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2378 * tree-ssa-alias.c (maybe_create_global_var): Change
2379 subvar walking to an assertion that we don't have subvar'd variables.
2381 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2384 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2385 Use a new variable, inner. PARM_DECLs are always non-weak.
2387 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2389 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2392 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2394 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2396 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2398 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2399 (smax_insn, smin_insn, smax_0, smin_0): New.
2401 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2404 * config/cris/cris.c (cris_order_for_addsi3): New function.
2405 * config/cris/cris-protos.h: Prototype it.
2406 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2407 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2408 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2409 (split for "op.S1 [rx=rx+i],ry (swapped)")
2410 (split for "op(s|u).S1 [rx=rx+i],ry")
2411 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2412 Apply cris_order_for_addsi3 when generating addsi3 insns.
2414 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2416 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2417 (TREE_BLOCK): Add call to EXPR_CHECK.
2419 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2422 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2423 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2424 (dump_omp_clauses): ... here.
2425 (dump_generic_node): Handle OMP_CLAUSE.
2426 * tree.c (omp_clause_num_ops): New.
2427 (omp_clause_code_name): New.
2428 (tree_code_size): Handle OMP_CLAUSE.
2429 (tree_size): Likewise.
2430 (make_node): Document handling of OMP_CLAUSE.
2431 (tree_node_structure): Handle OMP_CLAUSE.
2432 (omp_clause_check_failed): New.
2433 (omp_clause_range_check_failed): New.
2434 (omp_clause_operand_check_failed): New.
2435 (build_omp_clause): New.
2436 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2437 * tree.h (enum omp_clause_code): Declare.
2438 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2439 (OMP_CLAUSE_RANGE_CHECK): Define.
2440 (OMP_CLAUSE_ELT_CHECK): Define.
2441 (omp_clause_check_failed): Declare.
2442 (omp_clause_operand_check_failed): Declare.
2443 (omp_clause_range_check_failed): Declare.
2444 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2445 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2446 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2447 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2448 (OMP_CLAUSE_IF_EXPR): Likewise.
2449 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2450 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2451 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2452 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2453 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2454 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2455 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2456 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2457 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2458 (OMP_CLAUSE_CODE): Define.
2459 (OMP_CLAUSE_SET_CODE): Define.
2460 (OMP_CLAUSE_CODE): Define.
2461 (OMP_CLAUSE_OPERAND): Define.
2462 (struct tree_omp_clause): Declare.
2463 (union tree_node): Add field 'omp_clause'.
2464 * treestruct.def (TS_OMP_CLAUSE): Define.
2465 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2466 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2467 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2468 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2469 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2470 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2471 (OMP_CLAUSE): Define.
2472 * print-tree.c (print_node): Handle OMP_CLAUSE.
2473 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2474 * c-typeck.c: Likewise.
2475 * gimplify.c: Likewise.
2476 * c-omp.c: Likewise.
2477 * tree-nested.c: Likewise.
2478 * tree-inline.c: Likewise.
2479 * c-parser.c: Likewise.
2480 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2483 2006-01-25 Roger Sayle <roger@eyesopen.com>
2485 PR rtl-optimization/25703
2486 * combine.c (try_combine): Handle zero_extract and strict_low_part
2487 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2489 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2491 * global.c: Fix comment typos.
2493 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2496 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2497 Use output_addr_const instead of assemble_name.
2499 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2501 * Makefile.in (sched-vis.o): Update dependencies.
2502 * haifa-sched.c (sched_finish): Clear current_sched_info.
2503 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2504 (dump_flow_info): Call it.
2505 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2507 * basic-block.h (dump_bb_info): Declare.
2508 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2509 option, and apply options only for dump files whose TDF_RTL,
2510 TDF_TREE, or TDF_IPA bits match.
2511 * rtl.h: Declare new functions exported from sched-vis.c.
2512 * sched-vis.c: Enable also if scheduling is not used.
2513 (print_value): Print the mode of registers if not inside scheduling.
2514 (print_insn): Make it work outside the scheduler. Beautify the output
2516 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2518 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2520 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2521 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2522 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2523 depending on the value of CONSTANT_POOL_ADDRESS_P.
2524 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2526 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2527 rather than SYMBOL_REF_DECL.
2528 (rtx_constant_pool): Remove const_rtx_sym_htab.
2529 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2530 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2531 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2532 Remove handling of const_rtx_sym_htab.
2533 (find_pool_constant): Delete.
2534 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2535 rather than find_pool_constant.
2536 (get_pool_constant_for_function): Delete.
2537 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2539 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2540 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2541 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2542 (SYMBOL_REF_CONSTANT): New macro.
2543 (get_pool_constant_for_function): Delete.
2544 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2545 rather than SYMBOL_REF_DECL.
2546 (i386_pe_mark_dllimport): Likewise.
2547 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2548 rather than SYMBOL_REF_DECL.
2549 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2550 (machopic_indirect_call_target): Likewise.
2552 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2554 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2556 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2558 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2560 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2562 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2564 2006-01-24 David Daney <ddaney@avtrex.com>
2567 * configure.ac (enable_tls): New enable option.
2568 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2569 * configure: Regenerate.
2570 * doc/install.texi (--enable-tls): Document new option.
2571 (--disable-tls): Ditto.
2573 2006-01-24 Richard Henderson <rth@redehat.com>
2575 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2576 * alias.c (true_dependence): Respect it.
2577 (canon_true_dependence, write_dependence_p): Likewise.
2578 * builtins.c (get_builtin_sync_mem): Set it.
2580 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2582 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2585 2006-01-24 DJ Delorie <dj@redhat.com>
2587 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2588 for storing constants in single-bit bitfields.
2590 2006-01-25 Ben Elliston <bje@au.ibm.com>
2592 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2594 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2597 * tree-ssa-pre.c (phi_translate): Return NULL
2598 for AGGREGATE_TYPE's.
2600 2006-01-24 Zack Weinberg <zackw@panix.com>
2602 * genautomata.c (process_state_for_insn_equiv_partition):
2603 Use xcalloc for insn_arcs_array.
2604 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2605 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2607 2006-01-24 Richard Henderson <rth@redhat.com>
2609 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2612 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2614 PR rtl-optimization/25890
2615 PR rtl-optimization/25905
2616 * combine.c (expand_compound_operation, expand_field_assignment):
2617 Fail if the bitfield's final position is out of bounds.
2619 2006-01-24 Ian Lance Taylor <ian@airs.com>
2622 * cgraphunit.c (cgraph_output_in_order): Don't clear
2623 cgraph_asm_nodes until after asm strings have been output.
2625 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2627 * fix-header.c (read_scan_file): Add new parameter imultilib when
2628 calling register_include_chains.
2630 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2632 * omp-low.c: Update documentation.
2634 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2635 Daniel Berlin <dberlin@dberlin.org>
2639 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2640 return from the function.
2642 2006-01-22 Zack Weinberg <zackw@panix.com>
2644 * rtl.def (match_code): Add second argument.
2645 * genpreds.c (write_extract_subexp): New function.
2646 (write_match_code): Add path argument. Use write_extract_subexp.
2647 (write_predicate_expr): Pass path to write_match_code.
2648 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2649 not perform a mode test.
2650 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2651 a subexpression does not constrain the top-level code set.
2652 * read-rtl.c (read_rtx_variadic): New function.
2653 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2654 * doc/md.texi: Document new notation.
2655 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2656 (cmpsi_operand): ... here, using new notation.
2658 2006-01-22 Zack Weinberg <zackw@panix.com>
2660 * varray.c: Remove GENERATOR_FILE #ifdefs.
2662 2006-01-22 Zack Weinberg <zackw@panix.com>
2664 * genautomata.c (output_reserved_units_table): Emit nothing if
2665 description->query_units_num is zero. Remove extra blank line.
2666 (output_cpu_unit_reservation_p): Short circuit
2667 if description->query_units_num is zero.
2669 2006-01-22 Zack Weinberg <zackw@panix.com>
2671 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2672 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2673 nor any of the random handful of variables that used to be necessary
2674 when this program was linked with rtlanal.o. Prune set of forward
2675 function declarations.
2676 (struct attr_desc): Remove static_p field.
2677 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2678 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2679 (attr_string): Do not read the character one past the length of
2681 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2682 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2683 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2684 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2685 (make_automaton_attrs): New.
2686 (main): Do not call into genautomata. Call local gen_bypass
2687 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2688 Remove special case for insn_alts.
2689 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2690 varray.h (leftover from previous change). Prune set of forward
2691 function declarations. Remove state_alts fields from all
2692 structures. Remove state_alts_table from struct automaton.
2693 Make everything except main static. Do not maintain num_dfa_decls.
2694 Do not maintain state_alts fields of various structures.
2695 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2696 (add_arc): Remove state_alts argument. All callers updated.
2697 (output_reserved_units_table): Emit #ifdef here...
2698 (output_tables): ...not here. Don't generate state_alts tables.
2699 (expand_automata): Don't generate attributes.
2700 (write_automata): Don't generate state_alts functions.
2701 (main): New function.
2702 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2703 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2704 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2705 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2706 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2707 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2708 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2709 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2711 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2712 * genattrtab.h: Delete file.
2713 * Makefile.in (OBJS-common): Add insn-automata.o.
2714 (insn-automata.o): New rule.
2715 (simple_generated_c): Add insn-automata.c.
2716 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2717 (genprogmd): Add automata.
2718 (build/genattrtab): Needs no extra objects nor libraries.
2719 (build/genautomata): Needs build/vec.o and -lm.
2721 2006-01-22 Zack Weinberg <zackw@panix.com>
2723 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2724 (output_dfa_max_issue_rate, locked_states_num): Delete.
2725 (struct automaton): Add locked_states field.
2726 (output_dead_lock_vect): Save number of locked states in
2727 automaton->locked_states. If it is zero, don't print anything.
2728 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2729 (output_internal_dead_lock_func): Only test the dead_lock_vect
2730 for automata that have locked states.
2731 (output_statistics): Always print the number of locked states for
2732 each automaton. Calculate total number of locked states here.
2733 (write_automata): Don't call output_dfa_max_issue_rate.
2734 * genattrtab.c: Define length_unit_log as a const variable.
2735 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2736 max_insn_queue_index const.
2737 * final.c (length_unit_log): Declare const.
2738 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2740 2006-01-22 Zack Weinberg <zackw@panix.com>
2742 * genautomata.c: Include vec.h, not varray.h.
2743 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2744 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2745 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2746 VEC_* macros operating on appropriately typed vectors, or to
2747 malloced arrays when the size is known in advance. Const-ify
2748 many char* variables and function arguments. No functional changes.
2749 * Makefile.in (build/varray.o): Delete rule.
2750 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2751 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2753 2006-01-22 Zack Weinberg <zackw@panix.com>
2755 * gensupport.c: Define get_insn_name and record_insn_name here.
2756 (read_md_rtx): Call record_insn_name as appropriate.
2757 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2758 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2759 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2761 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2762 (BUILD_VARRAY): Delete.
2763 (genprognormal): Rename genprogmd. Fold in all programs from
2764 genprognoprint; also attrtab.
2765 (build/genattrtab): Just mention genautomata.o and varray.o.
2766 Reorganize a bit, add comments to make the categories clearer.
2768 2006-01-22 Zack Weinberg <zackw@panix.com>
2770 * genconditions.c (condition_table, add_condition): Delete.
2771 (write_conditions): Don't emit n_insn_conditions nor
2772 insn_elision_unavailable. Issue the gcc version #ifdef here,
2773 inside the table, with no #else clause ...
2774 (write_header): ...not here.
2775 (write_writer): New function.
2776 (main): Don't initialize condition_table. Use add_c_test.
2778 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2779 files on the command line.
2780 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2781 Return -1 if there is no entry in the table, don't abort.
2782 (add_c_test, traverse_c_tests): New functions.
2783 * gensupport.h (insn_elision_unavailable, insn_conditions)
2784 (n_insn_conditions): Delete declarations.
2785 (add_c_test, traverse_c_tests): Declare.
2786 * read-rtl.c: Include gensupport.h.
2787 (read_conditions): New function.
2788 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2789 (read_rtx_1): If we get EOF when we were looking for an initial
2790 open paren, return 0. Call read_conditions when appropriate.
2791 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2792 dummy-conditions.o. Eliminate references to insn-conditions.o,
2793 or change them to build/gencondmd.o, as appropriate. Remove
2794 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2795 from $(simple_generated_c). For all files remaining in those
2796 two lists, add insn-conditions.md to the generator command line.
2797 Give insn-constants.h/s-constants their own rules. Add rules
2798 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2799 (build/read-rtl.o): Depend on gensupport.h.
2800 (genprognormal): Include preds.
2801 (genprogearly): Rename genprognoprint; only difference is now that
2802 they don't link with $(BUILD_PRINT).
2803 * dummy-conditions.c: Delete.
2805 2006-01-22 Zack Weinberg <zackw@panix.com>
2807 * genextract.c: Don't include insn-config.h. Do include vec.h.
2808 Declare vectors of int, char, and locstr.
2809 (locstr): New typedef.
2810 (struct extraction): Make all array fields into bare pointers.
2811 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2812 (insn_code_number): Delete.
2813 (accum_extract): New struct.
2814 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2815 (gen_insn): Take insn_code_number as an argument. Use an
2816 accum_extract structure instead of loading data directly into
2817 a struct extraction, and having to know how big it might get.
2818 (walk_rtx): Operate entirely on an accum_extract structure.
2819 (print_path): Avoid unnecessary use of printf.
2820 (print_header): New function, split out of main. Distinguish
2821 more carefully between an unrecognizable insn and an insn that
2822 has the code number of a define_expand.
2823 (main): Pass insn_code_number to gen_insn. Call print_header
2824 only after parsing. Avoid unnecessary use of printf.
2825 * Makefile.in (build/vec.o): New rule.
2826 (build/genextract): Depend on build/vec.o.
2827 (build/genextract.o): Don't depend on insn-config.h.
2829 2006-01-22 Zack Weinberg <zackw@panix.com>
2831 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2832 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2833 practical. Eliminate per-generator-program link rules.
2835 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2838 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2839 with a call expr to ...
2840 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2842 2006-01-23 Richard Guenther <rguenther@suse.de>
2844 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2845 before make_edge with conditional EDGE_TRUE_VALUE.
2847 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2848 Jan Hubicka <jh@suse.cz>
2849 Richard Guenther <rguenther@suse.de>
2851 PR rtl-optimization/25654
2852 * cfgexpand.c (aggregate_contains_union_type): New function.
2853 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2854 for structure variables that contain a union type.
2856 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2858 * gengtype.c (new_structure): Return the structure.
2859 (create_option): Add an extra "next" argument.
2860 (create_field): New function.
2861 (adjust_field_rtx_def): Use create_option and create_field.
2862 Remove a now-unnecessary call to find_structure.
2863 (adjust_field_tree_def): Likewise.
2864 (note_yacc_type): Remove an unnecessary call to find_structure.
2865 * gengtype.h (new_structure): Return the structure.
2866 (create_option): Add an extra argument.
2867 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2868 (option): Adjust calls to create_option.
2870 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2872 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2874 2006-01-22 Paul Brook <paul@codesourcery.com>
2875 Peter Barada <peter@the-baradas.com>
2877 * config/m68k/m68k.md: Add Coldfire FPU support.
2878 Define FP mode macro and associated attributes.
2879 Use it for float mode patterns.
2880 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2881 (LIBCALL_VALUE): Use m68k_libcall_value.
2882 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2883 (m68k_function_value): Ditto.
2884 (emit_move_sequence): Ditto.
2885 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2886 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2887 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2888 (MULTILIB_EXCEPTIONS): Ditto.
2889 * config/m68k/m68k.opt: Add mcfv4e.
2890 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2891 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2892 (m68k_output_function_prologue): Save ColdFire FPU registers.
2893 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2894 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2895 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2896 ColdFire FPU registers.
2897 (m68k_libcall_value, m68k_function_value): New functions.
2898 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2899 (LIBCALL_VALUE): Use m68k_libcall_value.
2900 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2901 (MASK_COLDFIRE): Add MASK_CFV4E.
2902 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2903 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2904 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2905 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2906 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2907 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2908 * doc/invoke.tex: Document -mcfv4e on m68k.
2910 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2912 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2915 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2918 * c-opts.c (c_common_handle_option): Don't include
2919 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2920 * doc/invoke.texi (C++ Dialect Options): Document that
2921 -Wnon-virtual-dtor is no longer included in -Wall.
2923 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2925 * gcov.c (print_version), gcov-dump.c (print_version),
2926 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2929 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2931 * df-scan.c (problem_SCAN): Added NULL reset function.
2932 (df_scan_reset_blocks): Added code to call reset block function
2933 (df_bb_refs_delete) Fixed comment.
2934 (df_insn_refs_delete): Made tolerant of deleting non existent info
2935 for dataflow problems that need to be reset.
2936 * df-core.c (df_set_blocks): Ditto.
2937 * df.h (struct df_problem): Added reset_fun.
2938 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2939 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2940 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2941 functions to clear out all references to def-use or use-def chains.
2943 2006-01-21 Ben Elliston <bje@au.ibm.com>
2945 * varasm.c (assemble_real): Initialise data array.
2947 2006-01-20 Paul Brook <paul@codesourcery.com>
2949 Merge from csl-arm-branch.
2950 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2951 * config/arm/arm.md (movdi): Force operands[1] to a register
2952 if we have a non-register source.
2953 (*arm_movdi, *movdf_soft_insn): Require that one of the
2954 operands be a register.
2955 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2956 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2958 2006-01-20 DJ Delorie <dj@redhat.com>
2960 * varasm.c (initialize_constant_valid_p): Allow pointers
2961 initialized from integer constants of lesser precision.
2962 (output_constant): Allow non-int-sized pointer modes to be
2963 initialized from integer constants.
2965 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2968 * cppdefault.h (struct default_include): Add multilib flag.
2969 * cppdefault.c (cpp_include_defaults): Set it.
2970 * c.opt (-imultilib): New option.
2971 * c-opts.c (imultilib): New.
2972 (c_common_handle_option): Handle -imultilib.
2973 (c_common_post_options): Likewise.
2974 * c-incpath.c (add_standard_paths, register_include_chains):
2976 * c-incpath.h (register_include_chains): Add extra parameter.
2977 * gcc.c (do_spec_1): Generate -imultilib option.
2978 (The Specs Language): Update %I description.
2979 (process_command): Update copyright notice.
2980 * doc/cppopts.texi (-imultilib): Document.
2981 * doc/invoke.texi (-imultilib): Include in option summary.
2982 (%I): Update specs documentation.
2984 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2986 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2988 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2990 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2993 2006-01-20 Richard Guenther <rguenther@suse.de>
2994 Steven Bosscher <stevenb.gcc@gmail.com>
2996 PR rtl-optimization/24626
2997 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2998 EDGE_TRUE_VALUE if in RTL mode.
3001 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3002 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3004 2006-01-20 Dirk Mueller <dmueller@suse.com>
3007 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3008 instead of a special NOP marker.
3009 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3010 NOP marker handling.
3011 * c-common.h (empty_body_warning): Add forward declaration.
3012 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3013 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3015 2006-01-20 Paul Brook <paul@codesourcery.com>
3017 * Makefile.in (lang_checks): Keep going if mkdir fails.
3019 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3021 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3022 be able to clean out basic block when not necessary.
3023 (df_scan_free): Fixed to properly delete information if df is
3024 unused before calling df_finish.
3025 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3026 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3028 (df_bb_refs_delete): New function.
3029 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3030 * df-core.c (df_set_blocks): Added code to properly clean out
3031 unused blocks if they are not part of the blocks to consider.
3032 Added additional null check.
3033 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3034 be able to clean out basic block when not necessary
3035 * df.h (df_free_bb_function): Ditto.
3036 (df_bb_refs_delete): New function.
3037 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3038 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3039 basic block parameter to be able to clean out basic block when not
3041 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3042 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3043 Fixed to properly delete information if df is unused before
3046 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3048 PR rtl-optimization/25799
3049 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3050 Corrected confluence operator to remove bits from op2 before oring
3051 with op1 rather than removing bits from op1.
3052 (df_ru_transfer_function): Corrected test on wrong bitmap which
3053 caused infinite loop. Both of these problems were introduced in
3054 the dataflow rewrite.
3056 2006-01-19 DJ Delorie <dj@redhat.com>
3058 * reload1.c (find_reload_regs): Note the details of reload
3059 failures in the dump file.
3060 (spill_failure): Likewise.
3062 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3064 * loop-iv.c: Include df.h and hashtab.h.
3065 (enum iv_grd_result): New enum.
3066 (DF_REF_IV, DF_REF_IV_SET): New macros.
3067 (struct biv_entry): New.
3068 (df, bivs): New global variables.
3069 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3070 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3072 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3073 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3074 analyzed_for_bivness_p, record_biv): New functions.
3075 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3076 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3077 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3079 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3081 (iv_number_of_iterations): Use new interface to iv analysis.
3082 * loop-unroll.c: Do not include varray.h.
3083 (analyze_iv_to_split_insn): Use new interface to iv
3085 * loop-unswitch.c (may_unswitch_on): Ditto.
3086 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3088 (df_bb_modify): Realloc tables to the new index.
3089 (df_find_use): New function.
3090 * df.h (df_find_use): Declare.
3091 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3093 * cfgloop.h (struct rtx_iv): Remove analysed field.
3094 (iv_get_reaching_def): Removed.
3095 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3096 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3097 (loop-iv.o): Add df.h and hashtab.h dependency.
3098 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3100 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3103 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3105 (__floatundisf, __floatundidf): Likewise.
3106 * libgcc2.h (IS_IBM_EXTENDED): Define.
3108 2006-01-19 DJ Delorie <dj@redhat.com>
3110 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3112 2006-01-19 Paul Brook <paul@codesourcery.com>
3114 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3115 as nothrow when unwinding tables are disabled.
3117 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3120 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3121 of bit-field" when in system header.
3123 2006-01-19 DJ Delorie <dj@redhat.com>
3125 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3126 the 16 bit shift limit of the m16c.
3128 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3131 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3132 * config/i386/i386.c (output_set_got): Output the label if we have one
3133 for the TARGET_DEEP_BRANCH_PREDICTION case.
3135 2006-01-19 Jan Hubicka <jh@suse.cz>
3136 H.J. Lu <hongjiu.lu@intel.com>
3137 Evandro Menezes <evandro.menezes@amd.com>
3139 * invoke.texi (generic): Document
3141 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3142 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3143 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3144 (x86_use_incdec, x86_pad_returns): New variables
3145 (TARGET_CPU_DEFAULT_generic): New constant
3146 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3147 (enum processor_type): Add generic32 and generic64.
3148 * i386.md (cpu attribute): Add generic32/generic64
3149 (movhi splitter): Behave sanely when both partial_reg_dependency and
3150 partial_reg_stall are set.
3151 (K8 splitters): Enable for generic as well.
3152 * predicates.md (incdec_operand): Use TARGET_INCDEC
3153 (aligned_operand): Avoid memory mismatch stalls.
3154 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3155 * ppro.md: Enable for generic32
3156 * i386.c (generic64_cost, generic32_cost): New.
3157 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3158 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3159 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3160 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3161 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3162 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3163 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3164 x86_accumulate_outgoing_args, x86_prologue_using_move,
3165 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3166 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3168 (x86_use_incdec, x86_pad_returns): New.
3169 (override_options): Add generic32 and generic64, translate "generic"
3170 to generic32/generic64 and "i686" to "generic32", refuse
3171 "generic32"/"generic64" as arch target.
3172 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3173 (ix86_reorg): Honor PAD_RETURNS.
3175 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3177 * tree-pretty-print.c (dump_generic_node): Handle
3178 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3179 * cgraph.c (cgraph_expand_queue): Rename from
3180 cgraph_analyze_queue. Update all users.
3181 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3182 cgraph_expand_queue.
3183 (cgraph_expand_all_functions): Likewise.
3184 (cgraph_finalize_pending_functions): Remove. Update callers.
3186 * tree.h (OMP_DIRECTIVE_P): Define.
3187 (OMP_PARALLEL_FN): Define.
3188 (OMP_PARALLEL_DATA_ARG): Define.
3189 (OMP_SECTIONS_SECTIONS): Define.
3190 * tree-pass.h (pass_expand_omp): Declare.
3191 * omp-low.c (struct omp_region): Declare.
3192 (struct omp_context): Remove fields 'parallel_type',
3193 'parallel_start_ix' and 'parallel_start_additional_args'.
3195 (struct omp_for_data): Rename from struct expand_omp_for_data.
3196 (omp_regions): New static variable.
3197 (root_omp_region): New static variable.
3198 (find_omp_clause): Make static.
3199 (is_in_combined_parallel_ctx): Remove.
3200 (is_combined_parallel): New.
3201 (extract_omp_for_data): Move earlier in the file.
3202 (workshare_safe_to_combine_p): New.
3203 (get_ws_args_for): New.
3204 (determine_parallel_type): Move earlier in the file.
3205 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3207 (omp_copy_decl): Likewise.
3208 (create_omp_child_function): Likewise.
3209 (lookup_omp_region): New.
3210 (dump_omp_region): New.
3211 (debug_omp_region): New.
3212 (debug_all_omp_regions): New.
3213 (new_omp_region): New.
3214 (scan_omp_parallel): If parallel_nesting_level > 1, the
3215 directive is nested within another parallel directive.
3216 Set OMP_PARALLEL_FN.
3217 (scan_omp_for): Do not try to handle combined parallel+for
3219 Remove FIXME comment.
3220 (scan_omp_nested): Remove.
3221 (scan_omp_1): Do not call scan_omp_nested when
3222 parallel_nesting_level is > 1.
3223 Do not change the DECL_CONTEXT of local variables found.
3224 (lookup_decl_in_outer_ctx): New.
3225 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3226 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3227 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3228 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3229 If CTX is nested, lookup VAR in the outer context when
3230 building copy assignment.
3231 (lower_send_clauses): Rename from expand_send_clauses.
3232 If CTX is nested, lookup VAR in the outer context when
3233 building copy assignments.
3234 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3235 If CTX is nested, lookup VAR in the outer context when
3236 building copy assignments.
3237 (expand_parallel_call): Rename from build_parallel_call.
3238 Handle combined parallel+workshare cases.
3239 Re-implement to emit code into the CFG.
3241 (expand_omp_parallel): Re-implement to emit code into the CFG.
3242 Call move_sese_region_to_fn to outline the sub-graph
3243 containing the parallel region.
3244 (expand_omp_for_1): Remove.
3245 (expand_omp_for_generic): Re-implement to emit code into the
3247 (expand_omp_for_static_nochunk): Likewise.
3248 (expand_omp_for_static_chunk): Likewise.
3249 (expand_omp_for): Likewise.
3250 (expand_omp_sections): Likewise.
3251 (remove_exit_barriers): New.
3252 (expand_omp_synch): New.
3254 (build_omp_regions_1): New.
3255 (build_omp_regions): New.
3256 (execute_expand_omp): New.
3257 (gate_expand_omp): New.
3258 (pass_expand_omp): Define.
3259 (lower_omp_sections): Rename from expand_omp_sections.
3260 Set OMP_SECTIONS_SECTIONS.
3261 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3262 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3263 (lower_omp_single): Rename from expand_omp_simple.
3264 (lower_omp_master): Rename from expand_omp_master.
3265 (lower_omp_ordered): Rename from expand_omp_ordered.
3266 (lower_omp_critical): Rename from expand_omp_critical.
3267 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3268 (lower_omp_for): Re-implement.
3269 (lower_omp_parallel): Re-implement.
3270 (lower_regimplify): Rename from expand_regimplify.
3271 (lower_omp_1): Rename from expand_omp_1.
3272 If there are syntax errors in the program, replace every
3273 OpenMP directive with NOP.
3274 Call lower_omp_* instead of expand_omp_*.
3275 (lower_omp): Rename from expand_omp.
3277 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3278 * tree-gimple.h (enum omp_parallel_type): Remove.
3279 (gimple_boolify): Declare extern.
3280 (find_omp_clause, determine_parallel_type): Remove.
3282 * gimple-low.c (lower_omp_directive): New.
3283 (lower_stmt): Call it.
3284 (record_vars_into): Move from ...
3285 (record_vars): ... here.
3286 Call record_vars_into with current_function_decl.
3288 * gimplify.c (struct gimplify_ctx): Remove fields
3289 combined_pre_p and combined_ctxp. Update users.
3290 (get_formal_tmp_var): Add documentation.
3291 (gimple_boolify): Make extern.
3292 (gimplify_expr_in_ctx): Remove. Update callers.
3293 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3294 will always be a BIND_EXPR.
3295 (gimplify_expr): Handle OMP_RETURN_EXPR.
3296 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3297 (OMP_PARALLEL): Add 3 operands.
3298 (OMP_SECTIONS): Add 1 operand.
3299 (OMP_RETURN_EXPR): Define.
3301 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3302 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3303 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3304 creating a circular free list.
3305 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3307 * tree-flow.h (move_sese_region_to_fn): Declare.
3308 (record_vars_into): Declare.
3309 * tree-cfg.c (make_omp_sections_edges): New.
3310 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3311 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3312 OMP_SECTIONS and OMP_SECTION.
3313 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3314 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3315 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3316 (gather_blocks_in_sese_region): New.
3317 (struct move_stmt_d): Declare.
3319 (move_block_to_fn): New.
3320 (move_sese_region_to_fn): New.
3322 * passes.c (init_optimization_passes): Schedule
3323 pass_expand_omp after pass_init_datastructures.
3325 * tree-ssa-operands.c (get_expr_operands): Handle
3326 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3327 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3329 2006-01-19 Jeff Law <law@redhat.com>
3331 * tree-vrp.c (extract_range_from_assert): Refine the result range
3332 if the variable referenced by the ASSERT_EXPR has a range and
3333 either the tentative result range or the previous range is a
3336 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3338 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3340 2006-01-19 Jan Hubicka <jh@suse.cz>
3342 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3344 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3346 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3347 (expand_compound_operation, expand_field_assignment): Fail if the
3348 bit lengths of an extract operation are out of range.
3349 (make_extraction): Compute wanted_inner_mode based on the position
3350 and length of the extraction. Make it extraction_mode for non-constant
3351 positions, and do not modify offset in that case. When generating a
3352 new MEM, use a mode that can hold the extraction while keeping correct
3353 alignment. Remove code that supported MEMs wrapped by USEs.
3354 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3356 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3358 * config/s390/s390.md ("Y", "y"): New mode attribute.
3359 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3360 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3361 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3362 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3363 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3364 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3365 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3366 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3367 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3368 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3369 "addsi3", "subsi3"): Insn patterns removed.
3370 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3371 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3372 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3373 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3374 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3375 "*sub<mode>3_cconly2"): New insn patterns.
3376 ("addsi3", "subsi3"): New expanders.
3378 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3380 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3381 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3382 existing STMT_VINFO_VECTYPE if available.
3383 (vect_mark_relevant): Add special handling for stmts that are
3384 marked as STMT_VINFO_IN_PATTERN_P.
3385 (vect_analyze_loop): Call vect_pattern_recog.
3386 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3387 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3389 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3390 (vect_recog_func_ptr): New function-pointer type.
3391 * tree-vect-patterns.c: New file.
3392 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3393 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3394 (vect_pattern_recog_1): New functions.
3395 (vect_pattern_recog_funcs): New array of function pointers.
3397 * tree-vectorizer.h (ternary_op): New enum value.
3398 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3399 declaration. Revised documentation. Removed redundant dump prints.
3400 Removed redundant argument. Added support for reduction patterns.
3401 (vectorizable_reduction): Added support for reduction patterns.
3402 (vect_transform_stmt): Added support for patterns.
3404 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3405 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3406 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3407 (expand_widen_pattern_expr): New function.
3408 (init_optabs): Initialize new optabs udot_prod_optab,
3410 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3411 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3412 (expand_widen_pattern_expr): New function declaration.
3413 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3415 * tree-inline.c (estimate_num_insns_1): Added cases for new
3416 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3417 * tree-pretty-print.c (dump_generic_node): Likewise.
3418 (op_prio): Likewise.
3419 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3420 * tree-ssa-operands.c (get_expr_operands): Added case for
3422 * tree-vect-patterns.c (widened_name_p): New function.
3423 (vect_recog_dot_prod_pattern): Added function implementation.
3424 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3425 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3426 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3427 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3429 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3430 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3431 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3432 (init_optabs): Initialize new optabs widen_ssum_optab,
3434 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3435 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3436 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3437 use instead of type of def.
3438 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3439 function implementation.
3440 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3441 widen_ssumv8hi): New.
3443 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3446 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3449 * c-decl.c (add_flexible_array_elts_to_size): New function.
3450 (finish_decl): Use it.
3452 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3454 * diagnostic.h: Include options.h.
3455 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3456 dependancies for diagnostic.h.
3457 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3459 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3461 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3462 (ssa_ro_call_cache_valid): Ditto.
3463 * tree-ssa-alias.c (sort_tags_by_id): New function.
3464 (init_transitive_clobber_worklist): Ditto.
3465 (add_to_worklist): Ditto.
3466 (mark_aliases_call_clobbered): Ditto.
3467 (compute_tag_properties): Ditto.
3468 (set_initial_properties): Ditto.
3469 (compute_call_clobbered): Ditto.
3470 (compute_may_aliases): Call compute_call_clobbered and grouping.
3471 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3472 (compute_flow_insensitive_aliasing): Grouping now happens in our
3474 (setup_pointers_and_addressables): Remove clobbering related code.
3475 (add_may_alias): Ditto.
3476 (replace_may_alias): Ditto.
3477 (get_nmt_for): Ditto.
3478 (create_global_var):
3479 (is_escape_site): Return an escape_type enumeration.
3480 * tree-flow-inline.h (is_call_clobbered): Global var does not
3481 imply call clobbered.
3482 (mark_call_clobbered): Take a reason for marking this. Remove
3483 marking of globalness, and cache invalidation.
3484 (clear_call_clobbered): Remove cache invalidation code.
3485 * tree-dfa.c (dump_variable): If details is on, dump the reason
3487 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3489 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3490 (struct var_ann_d): Ditto.
3491 (enum escape_type): New.
3492 (mark_call_clobbered): Adjust prototype.
3493 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3494 are never call clobbered.
3495 Record reasons for escaping.
3496 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3497 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3498 (ssa_ro_call_cache_valid): Ditto.
3499 (clobbered_v_may_defs): Ditto.
3500 (clobbered_vuses): Ditto.
3501 (ro_call_vuses): Ditto.
3502 (clobber_stats): New.
3503 (init_ssa_operands): Zero out clobber stats.
3504 (fini_ssa_operands): Print out clobber stats.
3505 (get_call_expr_operands): Pass callee fndecl to
3507 (add_call_clobber_ops): Remove use of cache.
3508 Add use of PURE_CONST information.
3509 (add_call_read_ops): Remove use of cache.
3510 Add use of static not_read information.
3512 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3514 Introduce TLS descriptors for i386 and x86_64.
3515 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3516 (TARGET_ANY_GNU_TLS): New macro.
3517 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3518 (struct machine_function): Add tls_descriptor_call_expanded_p.
3519 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3520 (ix86_current_function_calls_tls_descriptor): Likewise.
3521 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3522 (override_options): Introduce gnu2 tls dialect.
3523 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3525 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3527 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3528 (ix86_init_machine_status): Initialize new field.
3529 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3530 (ix86_tls_module_base): New.
3531 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3532 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3533 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3534 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3535 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3536 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3537 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3538 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3539 * config/i386/predicates.md (tls_modbase_operand): New.
3540 (tp_or_register_operand): New.
3542 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3544 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3545 (look_for_address_of): Ditto.
3546 (ipa_init): Walk the function decls.
3547 (static_execute): Don't set readonly on FUNCTION_DECL's.
3549 2006-01-18 Roger Sayle <roger@eyesopen.com>
3551 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3552 for shifts where the source and destination registers are different.
3554 2006-01-18 Paul Brook <paul@codesourcery.com>
3556 Merge from csl-arm-branch.
3557 2005-03-14 Julian Brown <julian@codesourcery.com>
3558 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3559 (aeabi_llsl): Likewise.
3560 (ashrdi3): Likewise.
3561 (aeabi_lasr): Likewise.
3562 (lshrdi3): Likewise.
3563 (aeabi_llsr): Likewise.
3564 2005-03-10 Julian Brown <julian@codesourcery.com>
3565 * config.gcc: Disable shared libgcc for SymbianOS.
3566 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3568 2006-01-18 DJ Delorie <dj@redhat.com>
3570 * c-pragma.c (handle_pragma_diagnostic): New.
3571 (init_pragma): Register it.
3572 * doc/extend.texi: Document it.
3574 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3575 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3576 (diagnostic_context): Add classify_diagnostic[].
3577 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3578 as errors if they're overridden to DK_WARNING.
3579 (diagnostic_initialize): Initialize classify_diagnostic[].
3580 (diagnostic_set_kind_override): New.
3581 (diagnostic_report_diagnostic): Check for kind changes.
3582 * opts.c (common_handle_option): Take lang_mask. Update callers.
3584 * common.opt (Werror=): New.
3585 * doc/invoke.texi: Document -Werror=*
3587 2006-01-18 Jeff Law <law@redhat.com>
3589 * tree-vrp.c (test_for_singularity): Correct test for new
3590 min limit. Use operand_equal_p rather than pointer equality
3591 for testing if new min/max values are equal.
3593 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3594 using range information until after propagation and folding.
3596 2006-01-18 Richard Henderson <rth@redhat.com>
3597 Aldy Hernandez <aldyh@redhat.com>
3598 Jakub Jelinek <jakub@redhat.com>
3599 Diego Novillo <dnovillo@redhat.com>
3601 * omp-low.c: New file.
3602 * c-omp.c: New file.
3604 2006-01-18 Richard Henderson <rth@redhat.com>
3605 Jakub Jelinek <jakub@redhat.com>
3606 Diego Novillo <dnovillo@redhat.com>
3608 * doc/invoke.texi: Document -fopenmp.
3609 * tree-dump.h (debug_function): Declare.
3610 * hooks.c (hook_bool_tree_bool_false): New function.
3611 (hook_tree_tree_null): Remove.
3612 (hook_tree_tree_tree_null): New.
3613 * hooks.h: Update to match.
3614 * tree-pretty-print.c (debug_tree_chain): New.
3615 (print_generic_expr): Handle TDF_CHAIN.
3616 (dump_generic_node): Handle BLOCK.
3617 Do not abort with incomplete SWITCH_EXPRs.
3618 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3619 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3620 print space after directive name.
3621 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3622 Handle OMP_MASTER and OMP_ORDERED.
3623 Handle printing of OMP_BODY just in one place, goto
3624 dump_omp_body in the rest of OMP_* nodes that have
3626 Don't handle clause nodes here. Update omp statements to
3627 use dump_omp_clauses.
3628 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3629 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3630 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3631 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3632 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3633 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3634 Adjust output for GOMP_PARALLEL.
3635 (dump_omp_clauses): New.
3636 (print_declaration): Dump DECL_VALUE_EXPR.
3637 (op_symbol_1): Split out of op_symbol.
3638 (dumping_stmts): Remove. Update all users.
3639 * cgraph.c (cgraph_analyze_queue): New.
3640 (cgraph_add_new_function): New.
3641 * cgraph.h (cgraph_analyze_queue): Declare.
3642 (cgraph_add_new_function): Declare.
3643 (cgraph_lower_function): Remove.
3644 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3645 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3646 and TYPE_P nodes in its default clause.
3647 (empty_body_p): New.
3648 (tree_range_check_failed): New.
3650 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3651 OMP_CLAUSE_REDUCTION_MERGE,
3652 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3653 OMP_CLAUSE_PRIVATE_DEBUG,
3654 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3655 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3656 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3657 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3658 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3659 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3660 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3661 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3662 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3663 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3664 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3665 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3666 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3667 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3668 (TREE_RANGE_CHECK): New.
3669 (empty_body_p): Declare.
3670 (enum omp_clause_default_kind): New.
3671 (build_string_literal): Declare.
3672 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3673 (build5_stat, build5): Declare.
3674 * tree-pass.h (TDF_CHAIN): Define.
3675 * tree-pass.h (PROP_gimple_lomp): Define.
3676 (pass_lower_omp): Declare.
3677 * diagnostic.h (debug_tree_chain): Declare.
3678 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3680 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3681 * builtins.c (build_string_literal): Make extern.
3682 * gcc.c (include_spec_function): New.
3683 (static_spec_functions): Add it.
3684 (main): Move load of libgomp.spec ...
3685 (LINK_COMMAND_SPEC): ... here.
3686 (link_gomp_spec): New.
3687 (static_specs): Include it.
3688 (LINK_COMMAND_SPEC): Add link_gomp.
3689 (GOMP_SELF_SPECS): New.
3690 (driver_self_specs): Include it.
3691 (switch_matches): Don't mark inline.
3692 (main): Load libgomp.spec.
3693 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3694 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3695 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3696 * tree-gimple.h (enum omp_parallel): Declare.
3697 (determine_parallel_type): Declare.
3698 (omp_firstprivatize_variable): Declare.
3699 (omp_reduction_init): Declare.
3700 (diagnose_omp_structured_block_errors): Declare.
3701 (struct walk_stmt_info): Add want_return_expr.
3702 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3703 (find_omp_clause): Declare.
3704 (insert_field_into_struct): Declare.
3705 (struct walk_stmt_info): Move from tree-nested.c
3706 (walk_stmts): Declare.
3707 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3709 * cgraphunit.c (cgraph_lower_function): Make static.
3710 (cgraph_finalize_pending_functions): New.
3711 (cgraph_finalize_function): Call it.
3712 (cgraph_finalize_compilation_unit): Likewise.
3713 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3714 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3715 (BT_FN_UINT_UINT): New.
3716 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3717 DEF_FUNCTION_TYPE_VAR_4): Document.
3718 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3719 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3720 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3721 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3722 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3723 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3724 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3725 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3726 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3727 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3728 into separate files.
3729 (DEF_GOMP_BUILTIN): New.
3730 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3731 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3732 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3733 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3734 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3735 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3736 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3737 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3738 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3739 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3740 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3741 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3742 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3743 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3744 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3745 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3746 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3747 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3748 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3749 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3750 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3751 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3752 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3753 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3754 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3755 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3756 * sync-builtins.def: New file, moved from builtins.def.
3757 * omp-builtins.def: New file, moved from builtins.def.
3758 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3759 * gimple-low.c (lower_function_body): Clear data.
3760 (lower_stmt): Do not handle COMPOUND_EXPR.
3761 Remove call to print_node_brief.
3762 * c-tree.h (c_finish_omp_clauses): New prototype.
3763 (C_DECL_THREADPRIVATE_P): Define.
3764 (lookup_name_no_remap, c_omp_remap_private): Remove
3765 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3766 (check_for_loop_decls): Update decl.
3767 (lookup_name_no_remap, c_omp_remap_private): Declare.
3768 (build_indirect_ref, build_modify_expr, pushdecl,
3769 pushdecl_top_level): Move to c-common.h.
3770 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3771 before the switch, but just in the 2 places that need it.
3772 * c-decl.c (diagnose_mismatched_decls): Do not check for
3773 mismatched thread-local attributes when OLDDECL is marked
3774 threadprivate and NEWDECL has no thread-local attributes.
3775 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3776 (c_gimple_diagnostics_recursively): Rename from
3777 c_warn_unused_result_recursively. Invoke
3778 diagnose_omp_structured_block_errors.
3779 (check_for_loop_decls): Return a singular decl found.
3780 * langhooks.c (lhd_omp_predetermined_sharing): Return
3781 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3782 (lhd_omp_firstprivatize_type_sizes): New.
3783 (lhd_omp_assignment): New.
3784 (lhd_omp_predetermined_sharing): New.
3785 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3786 (struct lang_hooks_for_types): Add
3787 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3788 omp_predetermined_sharing, omp_disregard_value_expr,
3789 omp_private_debug_clause, omp_clause_default_ctor,
3790 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3791 (c_finish_omp_clauses): New.
3792 (c_finish_bc_stmt): Diagnose break within omp for.
3793 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3794 (build_unary_op): Return error_mark after reporting
3796 (build_modify_expr): Likewise.
3797 * gimplify.c: Include optabs.h and pointer-set.h.
3798 (enum gimplify_omp_var_data): Declare.
3799 (struct gimplify_omp_ctx): Declare.
3800 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3802 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3803 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3804 (splay_tree_compare_decl_uid): New.
3805 (new_omp_context): New.
3806 (delete_omp_context): New.
3807 (gimple_add_tmp_var): Call omp_add_variable.
3808 (gimplify_bind_expr): Likewise.
3809 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3810 true, disregard DECL_VALUE_EXPR on the decl if any.
3811 (gimplify_expr_in_ctx): New.
3812 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3813 omp_add_variable, omp_notice_variable, omp_is_private
3814 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3815 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3816 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3817 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3818 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3819 gimplify_omp_atomic): New.
3820 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3821 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3822 OMP_CRITICAL and OMP_ATOMIC.
3823 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3824 * c-pragma.h (enum pragma_kind): Add
3825 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3826 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3827 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3828 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3829 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3830 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3831 PRAGMA_OMP_THREADPRIVATE.
3832 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3833 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3834 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3835 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3836 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3837 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3838 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3839 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3840 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3841 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3842 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3843 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3844 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3846 (struct nesting_info): Add field_map,
3847 suppress_expansion, debug_var_chain.
3848 (create_nesting_tree): Initialize them.
3849 (lookup_field_for_decl): Use field_map.
3850 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3851 (convert_local_omp_clauses): New.
3852 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3853 (walk_body): Split out of walk_function.
3854 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3855 (convert_nonlocal_reference): Handle omp statements.
3856 (convert_local_reference): Likewise.
3857 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3858 (unnest_nesting_tree): New.
3859 (lower_nested_functions): Call it.
3860 (insert_field_into_struct): Make extern.
3861 (struct walk_stmt_info): Move to tree-gimple.h.
3862 (walk_stmts): Make extern.
3863 * omp-builtins.def: New file.
3864 * tree-iterator.c (expr_only): Clarify comment.
3865 * c-common.h (pushdecl_top_level, pushdecl,
3866 build_modify_expr, build_indirect_ref,
3867 c_finish_omp_master, c_finish_omp_critical,
3868 c_finish_omp_ordered, c_finish_omp_barrier,
3869 c_finish_omp_atomic, c_finish_omp_flush,
3870 c_finish_omp_for, c_split_parallel_clauses,
3871 omp_clause_default_kind, c_omp_sharing_predetermined,
3872 c_omp_remap_decl): Declare.
3873 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3874 (OBJS-common): Add omp-low.o.
3875 (c-omp.o, omp-low.o): Add.
3876 (gimplify.o): Add dependency on $(OPTABS_H).
3877 (GTFILES): Add omp-low.c.
3878 (gt-stringpool.h): Add.
3879 * tree-cfg.c (set_bb_for_stmt): Do not update the
3880 block-to-labels map if we are currently expanding to RTL.
3881 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3883 Handle IDENTIFIER_NODE.
3884 (tree_verify_flow_info): Do not ICE when emitting error
3885 messages about invalid labels.
3886 (dump_function_to_file): Reset CFUN before emitting the body
3888 (debug_function): New.
3889 * passes.c (init_optimization_passes): Schedule
3891 * langhooks-def.h (lhd_omp_predetermined_sharing,
3892 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3894 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3895 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3896 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3897 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3898 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3899 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3900 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3901 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3902 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3903 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3904 (LANG_HOOK_DECLS): Use them.
3906 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3907 Richard Henderson <rth@redhat.com>
3908 Jakub Jelinek <jakub@redhat.com>
3909 Diego Novillo <dnovillo@redhat.com>
3911 * c-parser.c (pragma_omp_clause): Define.
3912 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3913 (c_parser_compound_statement): Likewise.
3914 (c_parser_statement): Likewise.
3915 (c_parser_pragma): Handle omp pragmas.
3916 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3917 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3918 (c_parser_omp_clause_name, check_no_duplicate_clause,
3919 c_parser_omp_variable_list,
3920 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3921 c_parser_omp_clause_copyprivate,
3922 c_parser_omp_clause_default,
3923 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3924 c_parser_omp_clause_lastprivate,
3925 c_parser_omp_clause_nowait,
3926 c_parser_omp_clause_num_threads,
3927 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3928 c_parser_omp_clause_reduction,
3929 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3930 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3931 c_parser_omp_atomic, c_parser_omp_barrier,
3932 c_parser_omp_critical, c_parser_omp_flush,
3933 c_parser_omp_for_loop, c_parser_omp_for,
3934 c_parser_omp_master, c_parser_omp_ordered,
3935 c_parser_omp_sections_scope, c_parser_omp_sections,
3936 c_parser_omp_parallel, c_parser_omp_single,
3937 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3938 * c-pragma.c (init_pragma): Do omp pragma registration here.
3939 * c.opt (fopenmp): New flag.
3941 2006-01-18 Eric Christopher <echristo@apple.com>
3943 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3944 * config/darwin.h (GOMP_SELF_SPECS): Define.
3946 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3948 * rtl.h: Remove the prototype for reg_alloc.
3950 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3953 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3954 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3955 sjlj and dwarf2 exception handling.
3956 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3957 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3958 * pa/pa.c (function_value): Treat complex and vector types as
3960 (function_arg): Likewise. Only pass scalar floats in the floating
3961 point argument registers.
3962 * pa/t-slibgcc-dwarf-ver: New file.
3963 * pa/t-slibgcc-sjlj-ver: New file.
3964 * pa/t-slibgcc-elf-ver: Delete file.
3966 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3968 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3969 unlikely_test_section_p test.
3971 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3973 * mode-switching.c (optimize_mode_switching): Make it static.
3974 * basic-block.h: Remove the prototype for
3975 optimize_mode_switching.
3977 * modulo-sched.c (sms_schedule): Make it static.
3978 * rtl.h: Remove the prototype for sms_schedule.
3980 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3981 * rtl.h: Remove the prototype for gcse_after_reload_main.
3983 * reg-stack.c (reg_to_stack): Make it static.
3984 * rtl.h: Remove the prototype for reg_to_stack.
3986 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3988 * rtl.h: Remove the prototypes for regrename_optimize and
3989 copyprop_hardreg_forward.
3991 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3993 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3994 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3995 Test against the appropriate null constant for the mode.
3996 If 'fixup_overlap' is true, swap the operands if they overlap.
3997 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3998 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3999 alpha_split_tmode_pair and adjust for above change.
4000 * config/alpha/alpha.md (movtf_internal): Adjust call to
4001 alpha_split_tfmode_pair and rely on it to swap the operands.
4002 (movti_internal): New insn and post-reload splitter.
4003 (movti): New expander.
4005 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4007 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4010 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4012 * rtlanal.c (global_reg_mentioned_p_1,
4013 global_reg_mentioned_p): Remove.
4014 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4016 * flow.c (initialize_uninitialized_subregs): Make it static.
4017 * rtl.h: Remove the prototype for
4018 initialize_uninitialized_subregs.
4020 * function.c (instantiate_virtual_regs): Make it static.
4021 * function.h: Remove the prototype for
4022 instantiate_virtual_regs.
4024 * regmove.c (regmove_optimize, combine_stack_adjustments):
4026 * rtl.h: Remove the prototypes for regmove_optimize and
4027 combine_stack_adjustments.
4029 2006-01-17 Roger Sayle <roger@eyesopen.com>
4031 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4032 (size_cost): Encode costs in bytes so that a reg-reg addition is
4033 equivalent to COSTS_N_INSNS(1).
4034 (override_options): Use the size_cost.branch_cost as the default
4035 ix86_branch_cost when optimizing for size.
4037 2006-01-18 Ben Elliston <bje@au.ibm.com>
4039 * Makefile.in (D32PBIT_FUNCS): New.
4040 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4041 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4042 D64PBIT_FUNCS and D128PBIT_FUNCS.
4043 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4044 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4046 (decnumber_dep): Define.
4047 * doc/libgcc.texi (Decimal float library routines): New node.
4048 * config/dfp-bit.h, config/dfp-bit.c: New files.
4050 2006-01-18 Ben Elliston <bje@au.ibm.com>
4052 * expr.c (emit_move_change_mode): Always adjust addresses, not
4053 just during reload. Copy replacements only during reload.
4054 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4055 emit_move_via_integer.
4057 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4059 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4060 instead of $(srcdir) and ${srcdir}.
4062 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4066 * arm.h (struct machine_function): Add pic_reg.
4067 * arm.c (arm_pic_register): Make unsigned.
4068 (arm_override_options): Only set arm_pic_register if
4069 TARGET_SINGLE_PIC_BASE.
4070 (use_return_insn): Only test for a pic register if it is fixed.
4071 (arm_compute_save_reg0_reg12_mask): Likewise.
4072 (thumb_compute_save_reg_mask): Likewise.
4073 (legitimate_pic_operand): Factor out some known invariants.
4074 (legitimize_pic_address): If we don't have a fixed pic register,
4075 then set up a pseudo in the function entry sequence. Handle the
4076 pic base being in a pseudo.
4077 (arm_load_pic_register): Handle the pic register being in a pseudo.
4078 (arm_expand_prologue): Only set up the pic register if it is fixed.
4079 (thumb_expand_prologue): Likewise.
4080 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4081 (pic_load_addr_based_insn): Likewise.
4082 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4085 2006-01-18 Ben Elliston <bje@au.ibm.com>
4087 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4088 decimal float modes for all floating point registers.
4090 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4091 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4093 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4096 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4097 even when the pointer is not NULL.
4099 2006-01-16 Ian Lance Taylor <ian@airs.com>
4101 * common.opt (ftoplevel-reorder): New option.
4102 * cgraph.c (cgraph_asm_nodes): New global variable.
4103 (cgraph_asm_last_node): New static variable.
4104 (cgraph_order): New global variable.
4105 (cgraph_create_node): Set new order field.
4106 (cgraph_varpool_node): Likewise.
4107 (decide_is_variable_needed): Return true if not
4108 flag_toplevel_reorder.
4109 (cgraph_add_asm_node): New function.
4110 * cgraph.h (struct cgraph_node): Add order field.
4111 (struct cgraph_varpool_node): Add order field.
4112 (struct cgraph_asm_node): Define.
4113 (cgraph_asm_nodes, cgraph_order): Declare.
4114 (cgraph_add_asm_node): Declare.
4115 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4117 (cgraph_varpool_assemble_pending_decls): Call it.
4118 (cgraph_output_pending_asms): New static function.
4119 (cgraph_finalize_compilation_unit): Call it.
4120 (struct cgraph_order_sort): Define.
4121 (cgraph_output_in_order): New static function.
4122 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4123 !flag_toplevel_reorder case.
4124 * c-parser.c: Include "cgraph.h".
4125 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4127 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4128 than -fno-unit-at-a-time.
4129 * doc/invoke.texi (Option Summary): Mention
4130 -fno-toplevel-reorder.
4131 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4132 -funit-at-a-time documentation.
4134 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4135 Kazu Hirata <kazu@codesourcery.com>
4137 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4139 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4141 * Makefile.in (FUNCTION_H): New. Use it instead of
4142 function.h throughout the file.
4143 * function.h: Include tree.h.
4145 2006-01-17 Ben Elliston <bje@au.ibm.com>
4147 * recog.c: Separate some functions with whitespace.
4149 2006-01-16 Richard Henderson <rth@redhat.com>
4151 Merge from gomp branch:
4152 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4153 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4154 and rename from struct inline_data. Rename callee* to dst*;
4155 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4156 transform_new_cfg, transform_return_to_modify, and
4157 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4159 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4160 (copy_decl_for_dup): Remove.
4161 * tree-inline.c (struct inline_data): Move to header.
4162 (insert_decl_map): Export.
4163 (remap_decl): Update for member name changes. Use copy_decl hook.
4164 Allow for replacement to be a non-decl. Remove dead code.
4165 (remap_type_1): Check for existing mapping.
4166 (remap_type): Export.
4167 (remap_decls): Update for member name changes.
4168 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4169 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4170 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4171 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4172 (tree_function_versioning, build_duplicate_type): Likewise.
4173 (copy_body_r): Likewise. Export.
4174 (copy_decl_for_dup): Split into ...
4175 (copy_decl_for_dup_finish, copy_decl_to_var,
4176 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4177 (replace_ref_tree, inlining_p): Remove.
4179 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4181 * ifcvt.c (if_convert): Make it static.
4182 * rtl.h: Remove the prototype for if_convert.
4184 * local-alloc.c (local_alloc): Make it static.
4185 * rtl.h: Remove the prototype for local_alloc.
4187 * loop.c (loop_optimize): Make it static.
4188 * cfgloop.h: Remove the prototype for loop_optimize.
4191 2006-01-16 DJ Delorie <dj@redhat.com>
4193 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4196 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4198 * pa.md: Disparage copies between general and floating-point registers
4199 in 32-bit move patterns.
4201 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4204 * Makefile.in (check-%): Depend on site.exp instead of
4205 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4208 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4210 * global.c (global_alloc): Make it static.
4211 * rtl.h: Remove the prototype for global_alloc.
4213 2006-01-16 Richard Guenther <rguenther@suse.de>
4215 * tree-ssa-alias.c (struct used_part): Add write_only field.
4216 (get_or_create_used_part_for): Initialize it to true.
4217 (create_overlap_variables_for): Don't create structure variables
4218 for structures that only are written to.
4219 (find_used_portions): Handle MODIFY_EXPR to track whether a
4220 structure is only written to.
4222 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4224 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4226 * basic-block.h: Remove the prototype for
4227 partition_hot_cold_basic_blocks.
4229 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4231 * cppspec.c (lang_specific_spec_functions): Remove.
4232 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4233 * gcc.h (lang_specific_spec_functions): Remove.
4234 * gccspec.c (lang_specific_spec_functions): Remove.
4236 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4238 * combine.c (record_value_for_reg): Invalidate registers
4240 (record_dead_and_set_regs_1): Likewise, by passing them to
4241 record_value_for_reg.
4242 (record_dead_and_set_regs): Invalidate stores made by a
4243 call. We do not combine across a call, but we still
4244 relied on equivalences.
4246 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4248 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4249 vrp_int_const_binop returning non-constant nodes.
4251 2006-01-16 Paul Brook <paul@codesourcery.com>
4253 * config/m68k/m68k.c (output_move_const_into_data_reg):
4254 Output correct mnemonic for mvz and mvs.
4256 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4258 * rtl-factoring.c: Add sequence abstraction algorithm.
4259 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4260 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4262 (block_has_preserve_label): New function.
4263 * common.opt: Register new pass.
4264 * Makefile.in: Ditto.
4266 * timevar.def: Ditto.
4267 * tree-pass.h: Ditto.
4268 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4269 * rtl.h (make_jump_insn_raw): Add forward decl.
4270 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4272 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4273 Roger Sayle <roger@eyesopen.com>
4275 * fold-const.c (fold_minmax): New static function.
4276 (fold_binary) <MIN_EXPR>: Call it.
4277 <MAX_EXPR>: Likewise.
4278 * stor-layout.c (place_field): Use DECL_SIZE consistently
4279 in the computation of the new record size.
4281 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4283 * cse.c (cse_condition_code_reg): Make it static.
4284 * rtl.h: Remove the prototype for cse_condition_code_reg.
4286 * combine.c (combine_instructions): Make it static.
4287 * rtl.h: Remove the prototype for combine_instructions.
4289 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4292 * tree.c (get_file_function_name_long): Concatenate the first global
4293 object name with a string derived from the input filename of the object
4296 2006-01-16 Ben Elliston <bje@au.ibm.com>
4298 * config/i386/winnt-stubs.c: Update FSF address.
4299 * config/xtensa/ieee754-df.S: Ditto.
4300 * config/xtensa/ieee754-sf.S: Ditto.
4302 2006-01-14 Ian Lance Taylor <ian@airs.com>
4304 * ifcvt.c (noce_init_if_info): New static function, broken out of
4305 noce_process_if_block.
4306 (noce_process_if_block): Call noce_init_if_info.
4307 (check_cond_move_block): New static function.
4308 (cond_move_process_if_block): New static function.
4309 (process_if_block): Call cond_move_process_if_block.
4311 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4313 * cselib.c (hash_table): Rename to cselib_hash_table.
4314 (cselib_clear_table, discard_useless_values,
4315 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4316 cselib_init, cselib_finish): Adjust uses of hash_table.
4318 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4320 PR tree-optimization/25485
4321 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4322 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4323 is known to be false and true, respectively.
4325 2006-01-14 Richard Guenther <rguenther@suse.de>
4327 PR tree-optimization/22548
4328 PR tree-optimization/22555
4329 PR tree-optimization/22501
4330 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4331 * params.def (salias-max-array-elements): New parameter.
4332 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4333 * doc/invoke.texi (salias-max-array-elements): Document.
4334 * tree-flow-inline.h (var_can_have_subvars): We also handle
4336 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4338 * tree-ssa-structalias.c (params.h): Include.
4339 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4340 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4341 (get_constraint_for): For ADDR_EXPR operating on something
4342 containing an ARRAY_REF, add all subvars to the solution.
4343 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4344 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4345 for creating MUST_DEFs.
4346 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4348 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4350 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4352 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4353 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4354 number_of_iterations_le): New functions.
4355 (number_of_iterations_special): Removed.
4356 (number_of_iterations_exit): Do not use number_of_iterations_special.
4357 * tree.c (unsigned_type_for): Always return integer type.
4359 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4360 Richard Guenther <rguenther@suse.de>
4362 PR rtl-optimization/24257
4363 * gcse.c (find_moveable_store): Only consider a store movable
4364 when the SET_SRC of the insn can be assigned to a register.
4366 2006-01-14 Ian Lance Taylor <ian@airs.com>
4368 * tree.c (tree_not_class_check_failed): New function.
4369 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4370 (tree_not_class_check_failed): Declare.
4372 2006-01-13 Ian Lance Taylor <ian@airs.com>
4374 * reload1.c (do_output_reload): Add assertion rejecting a
4377 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4379 * combine.c (struct reg_stat): Add new fields truncation_label and
4381 (record_value_for_reg): Reset truncated_to_mode.
4382 (record_truncated_value): New function.
4383 (check_promoted_subreg): Call it. Rename to check_conversions.
4384 (combine_instructions): Rename check_promoted_subreg to
4386 (reg_truncated_to_mode): New function.
4387 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4388 (gen_lowpart_or_truncate): New function.
4389 (force_to_mode): Use it instead of gen_lowpart.
4391 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4393 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4394 VAR is a tag, not its type tag.
4396 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4398 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4399 alternatives to match style of other entries.
4400 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4402 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4404 PR tree-optimization/25771
4405 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4408 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4411 * tree-inline.c (declare_return_variable): If the return variable
4412 was marked as a non gimple complex, set the return slot variable
4413 to be a non gimple comple variable.
4415 2006-01-13 Richard Guenther <rguenther@suse.de>
4417 * builtins.c (expand_builtin_sincos): New function.
4418 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4420 (expand_builtin): Expand sincos using expand_builtin_sincos.
4422 2006-01-12 DJ Delorie <dj@redhat.com>
4424 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4425 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4426 so that constant shifts can be split.
4427 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4428 (m32c_valid_pointer_mode): Make static.
4429 (shift_gen_func_for): New.
4430 (m32c_prepare_shift): Use it. Split large const shifts into
4432 * config/m32c/predicates.md (shiftcount_operand): Allow more
4434 (longshiftcount_operand): New.
4435 * doc/md.texi (Machine Constraints): Document In6.
4437 2006-01-13 Ben Elliston <bje@au.ibm.com>
4439 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4440 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4443 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4445 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4446 to try to avoid clobbering pieces of structures when we know
4447 something about the whole structure.
4448 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4450 2006-01-13 Ben Elliston <bje@au.ibm.com>
4452 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4453 return in memory, as this is no limitation is no longer present.
4455 2006-01-12 DJ Delorie <dj@redhat.com>
4457 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4458 mova with fb, and for fb+0 -> An.
4460 * config/m32c/mov.md (peephole2): Fix enabling logic.
4462 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4463 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4464 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4465 FINI_ARRAY_SECTION_ASM_OP): Define.
4467 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4469 (m32c_legitimize_reload_address): New logic to reload FB to An.
4470 (m32c_output_reg_push): Add newline.
4471 (m32c_output_reg_pop): Likewise.
4473 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4475 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4477 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4479 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4481 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4483 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4486 2006-01-11 Ben Elliston <bje@au.ibm.com>
4488 * rtlanal.c (find_reg_note): Assert insn is not null.
4490 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4492 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4495 2006-01-11 Jeff Law <law@redhat.com>
4497 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4499 (mark_threaded_blocks, register_jump_thread): New functions.
4500 (thread_through_all_blocks): Remove unwanted argument. No
4501 longer rely on e->aux to communicate thread target info.
4502 Call mark_threaded_blocks. Release the threaded_blocks
4503 bitmap and threaded_edges vector when complete.
4504 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4505 (threaded_blocks): Remove.
4506 (tree_ssa_dominator_optimize): Remove initialization and
4507 finalization of threaded_blocks. Simplify call to
4508 thread_through_all_blocks.
4509 (thread_across_edge): Call register_jump_thread rather than
4510 storing thread information into e->aux.
4511 (free_all_edge_infos): Simplify now that e->aux is no longer
4512 used to communicate with thread_through_all_blocks.
4513 * tree-flow.h (thread_through_all_blocks): Update prototype.
4514 (register_jump_thread): Prototype.
4516 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4518 * df-core.c (df_compact_blocks, df_bb_replace): Use
4519 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4521 2006-01-11 Richard Guenther <rguenther@suse.de>
4523 PR tree-optimization/25734
4524 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4525 stop propagation after successful propagation to the LHS.
4527 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4529 * basic-block.h (control_flow_graph): Change the type of
4530 x_basic_block_info to VEC(basic_block,gc) *.
4531 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4533 (SET_BASIC_BLOCK): New.
4534 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4535 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4536 * cfgbuild.c (find_basic_blocks): Likewise.
4537 * cfglayout.c (fixup_reorder_chain): Likewise.
4538 * cfgrtl.c (create_basic_block_structure,
4539 rtl_create_basic_block): Likewise.
4540 * ifcvt.c (find_if_case_1): Likewise.
4541 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4544 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4546 * Makefile.in: Removed rotted odf.c entry.
4548 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4551 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4552 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4553 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4554 output pattern modifier, not %e.
4555 * config/cris/cris.c (cris_op_str): Update comment about pattern
4557 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4558 before falling through into...
4559 <case 'E'>: Redefined from old 'e' case.
4561 2006-01-11 Jan Hubicka <jh@suse.cz>
4564 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4566 2006-01-11 Jan Hubicka <jh@suse.cz>
4568 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4569 * i386.c (x86_decompose_lea): Kill.
4570 (ix86_rtx_costs): Kill.
4572 2006-01-11 Jan Hubicka <jh@suse.cz>
4574 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4575 * cgraph.h (cgraph_node): Add inline_decl.
4576 (cgraph_insert_node_to_hashtable): Declare.
4577 (save_inline_function_body): Declare.
4578 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4580 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4581 (cgraph_function_versioning): Update call of tree_function_versioning.
4582 (save_inline_function_body): New function.
4583 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4584 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4585 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4586 (cgraph_default_inline_p): Likewise.
4587 (cgraph_decide_inlining_incrementally): Likewise.
4588 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4589 (copy_bb): Kill saving; do updating of clones.
4590 (copy_cfg_body): Kill saving.
4591 (initialize_inlined-parameters): Likewise.
4592 (expand_call_inline): Likewise.
4594 (tree_function_versioning): New parameter "update_clones".
4595 (inlining_p): Kill saving.
4596 * tree-inline.h (tree_function_versioning): Update prototype.
4597 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4600 2006-01-11 Ian Lance Taylor <ian@airs.com>
4602 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4603 Allow undoing set of machine mode.
4604 (do_SUBST): Use enums instead of is_int.
4605 (do_SUBST_MODE): New function.
4606 (SUBST_MODE): New macro.
4607 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4608 reg and trying to replace reg_regno_rtx with a new register.
4609 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4610 (simplify_set): Use SUBST_MODE.
4611 (distribute_notes): Remove code that tried to update reg notes
4612 for regno_reg_rtx changes.
4614 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4616 PR tree-optimization/23109
4617 PR tree-optimization/23948
4618 PR tree-optimization/24123
4620 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4621 * tree-cfg.c (single_noncomplex_succ): New.
4622 * tree-flow.h (single_noncomplex_succ): Declare it.
4623 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4624 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4625 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4626 insert_bb, register_division_in, insert_reciprocals,
4627 replace_reciprocal, free_bb): New.
4628 (execute_cse_reciprocals_1): Rewritten.
4629 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4630 Do not commit any edge insertion. Always compute dominators and
4631 create the allocation pool.
4632 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4633 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4634 * targhooks.c (default_min_divistions_for_recip_mul): New.
4635 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4636 * passes.c (init_optimization_passes): Run recip after tree loop
4638 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4640 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4641 Kenneth Zadeck <zadeck@naturalbridge.com>
4643 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4644 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4645 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4646 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4647 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4648 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4649 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4650 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4651 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4652 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4653 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4654 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4655 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4656 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4657 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4658 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4659 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4660 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4661 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4662 DF_SCAN_POST_ALLOC): New macros.
4663 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4664 df_free_bb_function, df_local_compute_function, df_init_function,
4665 df_dataflow_function, df_confluence_function_0,
4666 df_confluence_function_n, df_transfer_function,
4667 df_finalizer_function, df_free_function, df_dump_problem_function,
4668 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4669 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4670 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4671 df_urec_bb_info, ) New types.
4672 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4674 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4675 df_analyze_simple_change_some_blocks,
4676 df_analyze_simple_change_one_block, df_compact_blocks,
4677 df_bb_replace, df_bb_regno_last_use_find,
4678 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4679 df_insn_regno_def_p, df_find_def, df_find_use,
4680 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4681 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4682 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4683 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4684 debug_df_chain, df_get_dependent_problem, df_chain_create,
4685 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4686 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4687 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4688 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4689 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4690 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4691 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4692 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4693 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4694 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4695 df_reorganize_refs, df_set_state, df_hard_reg_init,
4696 df_read_modify_subreg_p) New public functions.
4697 * df-core.c: The core dataflow solver and glue routines for rtl
4699 (df_init, df_add_problem, df_set_blocks, df_finish,
4700 df_hybrid_search_forward, df_hybrid_search_backward,
4701 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4702 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4703 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4704 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4705 df_reg_defined, df_find_use, df_reg_used, df_dump,
4706 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4707 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4708 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4709 debug_df_useno, reset_df_after_reload): New functions.
4710 * df-scan.c: The scanning fuctions, once in df.c, completely
4711 rewritten so that they now fully model the functionality of
4712 register usage at the backend.
4713 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4714 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4715 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4716 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4717 df_get_artificial_defs, df_get_artificial_uses,
4718 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4719 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4720 df_refs_delete, df_reorganize_refs, df_set_state,
4721 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4722 df_def_record_1, df_defs_record, df_uses_record,
4723 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4724 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4725 df_record_exit_block_uses, df_hard_reg_init): New functions.
4727 * df-problems.c: Seven concrete dataflow problems that use the
4728 scanning in df-scan.c and are solved by the engine in df-core.c.
4729 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4730 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4731 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4732 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4733 df_ru_free_bb_info, df_ru_alloc,
4734 df_ru_bb_local_compute_process_def,
4735 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4736 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4737 df_ru_transfer_function, df_ru_free, df_ru_dump,
4738 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4739 df_rd_free_bb_info, df_rd_alloc,
4740 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4741 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4742 df_rd_transfer_function, df_rd_free, df_rd_dump,
4743 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4744 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4745 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4746 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4747 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4748 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4749 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4750 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4751 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4752 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4753 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4754 df_urec_mark_reg_use_for_earlyclobber,
4755 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4756 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4757 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4758 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4759 df_chain_create_bb_process_use, df_chain_create_bb,
4760 df_chain_finalize, df_chain_free, df_chains_dump,
4761 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4762 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4763 df_reg_lifetime): New functions.
4764 * df.c: Deleted file.
4765 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4766 consistent with new df api.
4767 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4768 rest_of_handle_sms): Ditto.
4769 * web.c (unionfind_union, union_defs, entry_register, web_main):
4771 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4772 invariant_expr_equal_p, find_defs, check_dependencies,
4773 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4774 free_inv_motion_data, move_loop_invariants): Ditto.
4775 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4776 Update dependencies.
4777 (odf.c): Added defective entry that was deleted later in day.
4778 * sched-deps.c (sched_analyze_1): Ditto.
4780 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4782 * tree-ssa-operands.c (get_expr_operands): Record addressable
4783 variables directly. Do not call add_stmt_operands for CONST_DECLs
4785 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4786 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4788 2006-01-11 Ben Elliston <bje@au.ibm.com>
4790 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4791 function returns true in the positive case.
4793 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4796 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4797 for SI, DI, SF and DF modes. Add alternatives to copy between
4798 general and floating point registers to the 32-bit patterns.
4799 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4800 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4801 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4802 generating 64-bit code.
4803 * config/pa/pa.c (output_move_double): Handle copies between general
4804 and floating registers.
4806 2006-01-10 Stuart Hastings <stuart@apple.com>
4808 * config/i386/i386.md (set_got): Update.
4809 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4810 (builtin_setjmp_receiver): Mach-O support.
4811 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4812 (GOT_SYMBOL_NAME): Define.
4813 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4814 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4815 * config/i386/i386.c (override_options): Revise for Darwin.
4816 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4817 support. (darwin_x86_file_end): New. (output_set_got): Add label
4818 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4819 * config/i386/i386-protos.h (output_set_got): Likewise.
4820 * config/darwin.c (machopic_legitimize_pic_address): Update
4823 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4825 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4826 when MODE isn't BLKmode.
4828 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4830 PR rtl-optimization/25367
4831 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4833 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4836 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4837 for a negative bound.
4839 2006-01-10 Richard Guenther <rguenther@suse.de>
4841 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4842 Never override with anything constraint.
4844 2006-01-10 Jan Beulich <jbeulich@novell.com>
4846 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4847 256 bits when optimize_size.
4849 2006-01-10 Jan Beulich <jbeulich@novell.com>
4851 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4853 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4854 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4857 2006-01-10 Ben Elliston <bje@au.ibm.com>
4859 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4861 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4862 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4863 (USE_FP_FOR_ARG): Reject decimal float modes.
4864 (function_arg_advance): Likewise.
4865 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4866 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4867 point types in AltiVec vectors.
4868 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4869 (rs6000_libcall_value): Likewise.
4871 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4873 * config/xtensa/ieee754-df.S: New file.
4874 * config/xtensa/ieee754-sf.S: New file.
4875 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4876 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4877 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4879 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4881 * config/sh/predicates.md (binary_float_operator,
4882 binary_logical_operator, commutative_float_operator,
4883 equality_comparison_operator, greater_comparison_operator,
4884 less_comparison_operator, logical_operator,
4885 noncommutative_float_operator, shift_operator,
4886 symbol_ref_operand, unary_float_operator): Remove redundant
4889 2006-01-09 Jeff Law <law@redhat.com>
4891 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4892 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4893 now unused arguments. Callers updated.
4894 (eliminate_redundant_computations): Remove now unused arguments,
4896 (local_fold): Remove, no longer used.
4897 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4899 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4900 (simplify_cond): New function.
4901 (forward_propagate_into_cond): Call simplify_cond.
4903 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4905 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4906 (*vec_extractv2di_1_sse): New.
4908 2006-01-09 Ben Elliston <bje@au.ibm.com>
4910 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4912 2006-01-08 Richard Guenther <rguenther@suse.de>
4914 * tree-ssa-structalias.c (get_constraint_for): Remove
4916 (get_constraint_for_component_ref): Likewise.
4917 (do_deref): Likewise.
4918 (get_constraint_for): Likewise.
4919 (do_structure_copy): Likewise.
4920 (handle_ptr_arith): Likewise.
4921 (find_func_aliases): Likewise. Remove unused need_anyoffset
4924 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4925 Kaz Kojima <kkojima@gcc.gnu.org>
4927 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4928 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4929 (EXTRA_CONSTRAINT_C16): Remove.
4930 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4931 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4932 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4933 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4934 constants of SHmedia. Handle nested constant expressions of
4936 (andcosts): Fix the costs for SHmedia constants.
4937 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4938 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4939 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4940 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4941 (movv4hi_i, movv2si_i): Likewise.
4942 (movsi_const): Adjust the second operand of ior so to match with
4944 (movdi_const, movdi_const_32bit): Likewise.
4945 (movdi_const_16bit+1): Don't sign-extend LOW.
4946 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4948 (*double_shori): Fix the split condition. Use GEN_INT instead
4949 of get_int_mode calls. Mask lower 16-bit of the argument of
4951 (sym2GOTPLT): Remove.
4952 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4954 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4955 instead of EXTRA_CONSTRAINT_C16.
4957 2006-01-07 Ian Lance Taylor <ian@airs.com>
4958 David Edelsohn <edelsohn@gnu.org>
4960 PR rtl-optimization/25662
4961 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4962 for constant operands instead of simplify_gen_binary.
4963 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4964 after trying simplify_binary_operation
4966 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4968 * tree.c (iterative_hash_expr): Hash decls based on UID.
4970 2006-01-06 Eric Christopher <echristo@apple.com>
4972 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4973 (TARGET_UNWIND_EMIT): Fix spelling.
4974 * target.h (gcc_target): Add except_table_label.
4975 * except.c (output_function_exception_table): Use.
4976 * varasm.c (default_emit_except_table_label): New.
4977 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4979 (asm_out): Add here.
4980 * output.h (default_emit_except_table_label): Prototype.
4981 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4982 * config/darwin.c (darwin_emit_except_table_label): Define.
4983 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4985 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4987 PR tree-optimization/18527
4988 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4989 number_of_iterations_special, number_of_iterations_exit):
4990 Move base and step of an iv to a single structure. Add
4991 no_overflow flag, and use it in # of iterations analysis.
4992 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4993 folded_casts argument.
4994 (simple_iv): Pass base and step in a structure. Set no_overflow
4996 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4997 Evaluate expensiveness of computing # of iterations instead of
4998 the final expression.
4999 * tree-scalar-evolution.h (affine_iv): New structure.
5000 (simple_iv): Declaration changed.
5001 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5002 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5003 find_givs_in_stmt): Changed due to simple_iv change.
5005 2006-01-06 Jeff Law <law@redhat.com>
5008 * tree-cfg.c (bsi_replace): Rename final argument from
5009 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5010 change (stmt -> orig_stmt).
5011 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5012 (bsi_remove): Add new argument. Remove EH information
5014 (verify_eh_throw_table_statements): New function.
5015 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5017 * tree-optimize.c (execute_free_cfg_annotations): Verify
5018 the EH throw statement table after removing annotations.
5019 * except.h (verify_eh_throw_table_statements): Prototype.
5020 * tree-flow.h (bsi_remove): Update prototype.
5021 * tree-vrp.c (remove_range_assertions): Add new argument to
5023 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5024 * tree-complex.c (expand_complex_div_wide): Likewise.
5025 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5026 * tree-tailcall.c (eliminate_tailcall): Likewise.
5027 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5028 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5029 * tree-nrv.c (tree_nrv): Likewise.
5030 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5031 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5032 (combine_blocks): Likewise.
5033 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5034 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5035 (cleanup_control_flow): Likewise.
5036 (remove_forwarder_block): Likewise.
5037 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5038 * tree-sra.c (sra_replace): Likewise.
5039 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5040 (forward_propagate_single_use_vars): Likewise.
5041 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5042 * tree-inline.c (expand_call_inline): Likewise.
5043 * tree-vect-transform.c (vect_transform_loop): Likewise.
5044 * tree-outof-ssa.c (rewrite_trees): Likewise.
5045 * tree-cfg.c (make_goto_expr_edges): Likewise.
5046 (cleanup_dead_labels): Likewise.
5047 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5048 (bsi_move_before, bsi_move_after): Likewise.
5049 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5050 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5052 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5055 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5057 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5058 on non gimple variables. Also add checks at the top for decls and
5060 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5062 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5063 and IMAGPART_EXPR for creating MUST_DEFs.
5064 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5065 and NAME_MEMORY_TAG separately from the DECLs.
5067 2006-01-06 Richard Guenther <rguenther@suse.de>
5069 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5070 annotation, if necessary.
5071 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5072 redundant calls to update_stmt.
5073 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5076 2006-01-05 Richard Henderson <rth@redhat.com>
5078 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5080 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5082 * c-typeck.c: Update copyright date.
5084 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5086 * c-typeck.c (build_c_cast): Always warn when casting
5087 from a pointer to an integer of different size, even if
5088 the node was constant.
5090 2006-01-05 Richard Guenther <rguenther@suse.de>
5092 PR tree-optimization/22555
5093 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5094 if one structure field is an array.
5095 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5096 operands even if we found a subvar, but ignore VOPs in this
5098 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5100 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5102 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5105 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5107 2006-01-05 Richard Guenther <rguenther@suse.de>
5108 Diego Novillo <dnovillo@redhat.com>
5110 * tree-pass.h (TODO_remove_unused_locals): Define.
5111 * gimple-low.c (expand_var_p, remove_useless_vars,
5112 pass_remove_useless_vars): Remove. Update all users.
5113 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5114 (remove_unused_locals): New function.
5115 * tree-flow.h (remove_unused_locals): Declare.
5116 * passes.c (execute_todo): Call remove_unused_locals if
5117 TODO_remove_unused_locals is set.
5118 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5119 * tree-ssa-dce.c (pass_dce): Likewise.
5120 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5122 2006-01-05 Richard Guenther <rguenther@suse.de>
5124 * tree-flow.h (struct fieldoff): Decompose field to
5125 type, size and decl.
5126 * tree-ssa-alias.c (create_sft): Take type as parameter.
5127 (create_overlap_variables_for): Store type, size and decl
5128 in the fieldoff structure.
5129 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5131 (push_fields_onto_fieldstack): Likewise.
5132 (create_variable_info_for): Likewise. Use offset for the
5133 SFT name if the decl is not available.
5135 2006-01-04 Paul Brook <paul@codesourcery.com>
5137 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5139 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5141 * lambda-code.c (can_put_in_inner_loop): Relax
5143 (can_put_after_inner_loop): New function.
5144 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5145 (perfect_nestify): Change to make copies and modify uses.
5147 2006-01-04 Richard Henderson <rth@redhat.com>
5149 Merge from gomp branch:
5150 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5151 via integer constant.
5152 (pragma_lex): Remove.
5153 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5154 rather than parsing it.
5155 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5156 handle_pragma_extern_prefix): Add %< %> quotes.
5157 (registered_pragmas): New.
5158 (c_register_pragma_1): New.
5159 (c_register_pragma): Use it.
5160 (c_register_pragma_with_expansion): Likewise.
5161 (c_invoke_pragma_handler): New.
5162 (init_pragma): Use cpp_register_deferred_pragma directly for
5164 * c-pragma.h (enum pragma_kind): New.
5165 (pragma_handler): New.
5166 (c_invoke_pragma_handler): Declare.
5167 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5169 * c-common.h (c_common_pch_pragma): Update decl.
5170 * Makefile.in (c-parser.o): Update dependencies.
5171 (GTFILES): Add c-pragma.h.
5172 * c-parser.c (struct c_token): Add pragma_kind.
5173 (struct c_parser): Add in_pragma.
5174 (c_lex_one_token): Always initialize keyword and pragma_kind.
5175 Extract data for CPP_PRAGMA.
5176 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5177 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5178 Don't allow CPP_PRAGMA_EOL if in_pragma.
5179 (c_parser_consume_pragma): New.
5180 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5181 (c_parser_skip_to_end_of_parameter): Likewise.
5182 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5183 (c_parser_skip_to_pragma_eol): New.
5184 (c_parser_external_declaration): Handle CPP_PRAGMA.
5185 (c_parser_compound_statement_nostart): Likewise.
5186 (c_parser_statement_after_labels): Likewise.
5187 (c_parser_pragma): New.
5188 (pragma_lex): Likewise.
5189 (c_parser_pragma_pch_preprocess): New.
5190 (c_parser_new): Merge into ...
5191 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5193 2006-01-04 Jeff Law <law@redhat.com>
5196 * tree-cfg.c (bsi_replace): Remove the original statement
5197 from the EH throw statement table.
5199 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5201 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5202 make the prototype extern "C" and add throw ().
5205 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5206 and pos non-negative and pos + len <= 32.
5207 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5208 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5209 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5212 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5213 as well as sizes not multiple of component size.
5216 * function.c (instantiate_expr): New function.
5217 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5218 walk its DECL_VALUE_EXPR with instantiate_expr.
5220 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5221 DW_OP_deref{,_size} if address isn't going to be added.
5223 2006-01-04 Ben Elliston <bje@au.ibm.com>
5225 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5226 * config/fp-bit.c: Likewise.
5228 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5230 * dominance.c: Add comment about why we use DFS numbering
5233 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5234 Richard Henderson <rth@redhat.com>
5236 Merge from gomp-branch:
5237 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5238 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5240 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5242 PR rtl-optimization/25578
5243 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5244 pass a parameter to simplify_shift_const if changing ASHIFTRT
5247 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5249 * builtins.c (get_builtin_sync_mem): New function.
5250 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5251 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5252 Call get_builtin_sync_mem to generate mem rtx.
5254 2006-01-03 Richard Guenther <rguenther@suse.de>
5257 * stmt.c (add_case_node): Make sure to clear overflow flags
5260 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5262 Merge from gomp-branch.
5263 * config/sparc/sync.md: New file.
5264 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5265 UNSPECV_LDSTUB): New constants.
5266 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5267 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5268 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5271 2006-01-03 Roger Sayle <roger@eyesopen.com>
5273 * combine.c (reg_subword_p): New predicate to test whether the
5274 destination of a set refers to a subword/piece of a register.
5275 (try_combine): Generalize the code to merge the setting of a
5276 pseudo to a constant followed by a set of a subword of that
5277 register to a constant.
5279 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5281 * basic-block.h (control_flow_graph): Change the type of
5282 x_label_to_block_map to VEC(basic_block,gc) *.
5283 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5284 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5286 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5287 VEC(basic_block,heap) *.
5288 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5289 ssa_prop_fini): Adjust the uses of cfg_blocks.
5291 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5293 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5295 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5296 hashing trees instead of a pointer hash.
5297 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5298 compare for MEM_EXPR.
5300 PR rtl-optimization/25130
5301 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5302 when comparing MEMs for GCSE
5304 2006-01-03 Ben Elliston <bje@au.ibm.com>
5306 * targhooks.h (default_decimal_float_supported_p): Declare.
5307 * targhooks.c (default_decimal_float_supported_p): Define.
5308 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5309 `default_decimal_float_supported_p'.
5310 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5312 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5314 * combine.c (apply_distributive_law <SUBREG>): Check
5315 TRULY_NOOP_TRUNCATION.
5317 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5319 * dwarf2out.c (have_switched_text_section): Delete.
5320 (have_multiple_function_sections): New.
5321 (have_location_lists): Make 'bool'.
5322 (add_AT_loc_list): Use 'true' not '1'.
5323 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5324 (output_loc_list): Use have_multiple_function_sections.
5325 (output_ranges): Likewise.
5326 (dwarf2out_begin_function): Set have_multiple_function_sections if
5328 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5329 Check function_section rather than DECL_SECTION_NAME.
5330 (dwarf2out_finish): Use have_multiple_function_sections.
5331 Don't clear have_location_lists.
5333 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5334 Jan Hubicka <jh@suse.cz>
5336 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5337 case of conditional jump jumping to the next instruction.
5338 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5339 cases of conditional jump jumping to the next instruction.
5341 2006-01-02 Jan Hubicka <jh@suse.cz>
5343 * i386.c (*_cost): Add COSTS_N_INSNS.
5344 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5346 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5349 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5351 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5353 * config/arm/arm.c (all_fpus): Fix comment typo.
5354 * config/darwin.c: Likewise.
5355 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5356 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5357 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5359 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5361 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5362 (rs6000_split_compare_and_swapqhi): New.
5363 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5364 (sync_compare_and_swapqhi_internal): New.
5365 * config/rs6000/rs6000-protos.h: Declare.