1 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3 * expr.h (expand_normal): new inline function.
4 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11 * config/sparc/sparc.c: use it.
12 * config/i386/i386.c: use it.
13 * config/rs6000/rs6000.c: use it.
14 * config/arm/arm.c: use it.
15 * config/mips/mips.c: use it.
16 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18 2006-01-30 Roger Sayle <roger@eyesopen.com>
20 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
21 argv to the appropriate type.
23 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
25 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
28 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
31 * config/s390/s390.c (struct machine_function): New flag
32 decomposed_literal_pool_addresses_ok_p.
33 (s390_reorg): Set it before final stage of literal pool transforms.
34 (s390_decompose_address): Only accept displacements of the form
35 (minus (label_ref ...) (label_ref ...)) if that flag is set.
37 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
39 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
40 the comparison routine return.
42 2006-01-30 Michael Matz <matz@suse.de>
44 * global.c (find_reg): Only evict for global regs.
45 Take n_refs into account and dump more info.
47 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
50 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
51 (pragma_trap, pragma_nosave_low_regs): Likewise.
52 (current_function_anonymous_args): Likewise.
53 (sh_deferred_function_attributes): New variable.
54 (sh_deferred_function_attributes_tail): Likewise.
55 (print_operand): For '@', look up trap_exit attribute.
56 (calc_live_regs): Look up trapa_handler attribute. For trapa
57 handlers, save/restore fpscr, but don't do any other
58 interrupt-specific saves.
59 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
60 Fix check for partially saved registers to check for SHmedia.
61 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
62 (sh_output_function_epilogue): Don't clear any of the removed
64 (sh_insert_attributes): Don't check pragma_interrupt.
65 Insert deferred attributes. Check that interrupt attribute is
66 present for other attributes that require its presence.
67 (sh_attribute_table): Add new attributes trapa_handler and
69 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
70 Don't check for pragma_interrupt. Don't store argument.
71 * sh.h (pragma_interrupt, sp_switch): Don't declare.
72 (sh_deferred_function_attributes): Declare.
73 (sh_deferred_function_attributes_tail): Likewise.
74 * sh.md (sp_switch_1): Add operand. Change generator caller.
75 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
76 (*return_i): Don't use when trap_exit attribute is in effect.
77 (*return_trapa): New insn pattern.
79 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
80 setting c_target_objs and cxx_target_objs.
81 * t-sh: Add rule for sh-c.o.
83 2006-01-30 Richard Guenther <rguenther@suse.de>
86 * gimplify.c (gimplify_target_expr): Handle easy cases
87 without creating a temporary.
89 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
91 * vec.h (safe_grow): Remove duplicated line.
93 2006-01-29 Diego Novillo <dnovillo@redhat.com>
96 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
97 (expand_omp): ... here.
98 (expand_omp_parallel): Only remove barriers for combined
99 parallel+workshare constructs.
101 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
105 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
106 * tree.c (build_qualified_type): Chain the new type to the original
107 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
108 a POINTER_TYPE or a REFERENCE_TYPE respectively.
109 (build_pointer_type_for_mode): Only return unqualified types.
110 (build_reference_type_for_mode): Likewise.
112 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
114 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
115 * Makefile.in (CXX_COMPAT_WARN): Define.
116 * configure: Regenerate.
118 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
121 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
124 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
126 * toplev.c: Fix thinko.
128 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
129 Marcin Dalecki <martin@dalecki.de>
131 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
132 (push_srcloc): Use XNEW.
133 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
135 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
137 * df-core.c (df_set_blocks): Deleted all variable.
139 2006-01-28 Ian Lance Taylor <ian@airs.com>
141 * cgraphunit.c (cgraph_assemble_pending_functions): Call
142 cgraph_output_pending_asms.
144 2006-01-28 Zack Weinberg <zackw@panix.com>
146 * c.opt: Add -W(no-)overlength-strings.
147 * doc/invoke.texi: Document it.
148 * c-opts.c (c_common_handle_option): -pedantic implies
149 -Woverlength-strings, if not explicitly disabled already.
150 (c_common_post_options): -Woverlength-strings defaults to off, and
151 is always off for C++.
152 * c-common.c (fix_string_type): Issue warning about strings longer
153 than is portable only if warn_overlength_strings. Rearrange code
154 a little for clarity.
155 * configure.in: Check for -Wno-overlength-strings as well before
156 enabling -pedantic in stage 1.
157 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
158 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
160 * genconditions.c (write_header, write_one_condition)
161 (write_conditions, write_writer): Consolidate very long strings
162 that were broken up to fit in C89 portable limit. Don't use
163 printf when fputs will do.
165 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
167 * combine.c (simplify_comparison <AND>): Check
168 TRULY_NOOP_TRUNCATION before start using a subreg.
170 * config/mips/mips.md (*branch_zero<mode>,
171 *branch_zero<mode>_inverted, *branch_equality<mode>,
172 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
173 Remove mode check from comparisons.
175 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
177 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
179 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
181 * expmed.c (const_mult_add_overflow_p): Remove.
182 * expr.h: Remove the prototype for const_mult_add_overflow_p.
184 * recog.c (validate_replace_rtx_subexp): Remove.
185 * recog.h: Remove the prototype for
186 validate_replace_rtx_subexp.
188 * integrate.h: Remove the prototype for
189 copy_decl_for_inlining.
190 * rtl.h: Remove the prototype for mark_constant_function.
191 * tree-vectorizer.h: Remove the prototype for
192 vect_strip_conversion.
194 * modulo-sched.c (create_partial_schedule,
195 free_partial_schedule, reset_partial_schedule): Make them
198 * hooks.c (hook_bool_rtx_int_false): Remove.
199 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
201 2006-01-28 David Edelsohn <edelsohn@gnu.org>
203 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
204 and -mlong-double-128 are incompatible.
205 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
206 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
207 (TARGET_LIBGCC2_CFLAGS): Define.
208 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
209 (TARGET_LIBGCC2_CFLAGS): Same.
210 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
212 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
215 * c-typeck.c (build_binary_op): Perform implicit casts of
216 operands before shortening them.
218 * cfgloopmanip.c (split_loop_bb): Remove.
219 * cfgloop.h: Remove the prototype for split_loop_bb.
221 * cfgloop.c (flow_loop_outside_edge_p): Remove.
222 * cfgloop.h: Remove the prototype for
223 flow_loop_outside_edge_p.
225 * emit-rtl.c (init_virtual_regs): Make it static.
226 * function.h: Remove the prototype for init_virtual_regs.
228 * recog.c (peephole2_optimize): Make it static.
229 * recog.h: Remove the prototype for peephole2_optimize.
231 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
233 * df-scan.c (df_record_entry_block_defs): Check if
234 INCOMING_RETURN_ADDR_RTX is defined.
236 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
237 Kenneth Zadeck <zadeck@naturalbridge.com>
239 PR rtl-optimization/24762
240 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
241 * targhooks.c (hook_void_bitmap): New hook prototype.
242 * targhoohs.h (hook_void_bitmap): Ditto.
243 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
244 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
245 * target.h (live_on_entry): New function pointer.
246 * df-scan.c (df_all_hard_regs): Removed.
247 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
248 (df_scan_free_internal): Added df->entry_block_defs.
249 (df_scan_alloc): Ditto.
250 (df_scan_dump): Ditto.
251 (df_uses_record): Plumbed flag field properly thru calls.
252 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
253 This part fixes PR24762.
254 (df_bb_refs_record): Added code to make the frame and arg
255 pointers live in EH blocks.
256 (df_refs_record): Added call to df_record_entry_block_defs.
257 (df_record_entry_block_defs): New function.
258 * df-core.c: Added comments to describe new artifical defs.
259 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
260 (entry_block_defs): New field in struct df.
261 (df_all_hard_regs): Deleted.
262 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
263 * df-problems.c (df_ru_bb_local_compute_process_def):
264 Added code to handle artifical defs in the entry to a function.
265 (df_ru_bb_local_compute): Ditto.
266 (df_rd_bb_local_compute_process_def): Ditto.
267 (df_rd_bb_local_compute): Ditto.
268 (df_lr_bb_local_compute): Ditto.
269 (df_ur_bb_local_compute): Ditto.
270 (df_urec_bb_local_compute): Ditto.
271 (df_chain_create_bb): Ditto.
272 (df_ur_local_finalize): Removed entry.
273 (df_urec_init): Ditto.
274 (df_urec_local_finalize): Ditto.
275 (df_ri_bb_compute): Added detection of last use of pseudos.
276 * Makefile.in (df-scan.o): Updated dependencies.
277 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
278 * config/mips/mips.c (mips_set_live_on_entry): Added.
279 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
281 * dce.c (marked_insn_p): Added code to handle artifical defs.
283 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
285 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
287 (_mm_cvtsi128_si64): Likewise.
288 (_mm_cvtsd_si64): Likewise.
289 (_mm_cvttsd_si64): Likewise.
290 (_mm_cvtsi64_sd): Likewise.
291 (_mm_cvtsi64_si128): Likewise.
292 * config/i386/mmintrin.h (_m_from_int64): Likewise.
293 (_mm_cvtsi64_m64): Likewise.
294 (_m_to_int64): Likewise.
295 (_mm_cvtm64_si64): Likewise.
296 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
297 (_mm_cvttss_si64): Likewise.
298 (_mm_cvtsi64_ss): Likewise.
299 (_mm_cvtss_f32): Likewise.
301 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
303 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
304 for pragma redefine_extname.
306 2006-01-27 Jakub Jelinek <jakub@redhat.com>
309 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
310 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
311 -mno-minimal-toc to previous content.
312 (bispecs): Remove goal.
313 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
314 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
315 compatibility aliases on powerpc-*-*gnu*.
316 * config/rs6000/libgcc-ppc-glibc.ver: New file.
317 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
318 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
319 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
320 (ldblspecs): New goal.
321 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
322 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
324 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
325 L_sf_to_tf or L_df_to_tf is defined.
327 2006-01-27 David Edelsohn <edelsohn@gnu.org>
328 Alan Modra <amodra@bigpond.net.au>
331 * config/rs6000/linux.h (POWERPC_LINUX): Define.
332 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
333 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
334 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
335 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
336 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
337 (rs6000_override_options): Initialize rs6000_ieeequad.
338 Initialize TFmode format to ibm_extended_format if not
340 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
342 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
343 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
344 (function_arg_advance): IBM long double passed in two FPRs, not
346 (function_arg): IBM long double passed in FPRs.
347 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
348 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
349 Only multireg GPR aligned.
350 (rs6000_init_libfuncs): Enable IBM long double functions if not
352 (rs6000_generate_compare): Use IBM long double compare if not
354 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
355 (TARGET_IEEEQUAD): Define.
356 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
358 * config/rs6000/rs6000.md: Enable TFmode patterns if
360 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
361 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
362 and -mlong-double-128 are incompatible.
363 * doc/invoke.texi (-mabi): Collect options together. Add
364 ibmlongdouble and ieeelongdouble.
366 2006-01-27 Richard Sandiford <richard@codesourcery.com>
368 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
370 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
371 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
372 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
373 * rtl.h (rtunion_def): Remove rt_ptr.
375 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
376 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
377 * config/i386/winnt.c (i386_pe_mark_dllexport)
378 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
380 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
382 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
384 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
388 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
389 pthread_key_delete. From John David Anglin. gthrw-ify
390 pthread_getunique_np only if it it's not a macro. Delete
392 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
393 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
394 __gthread_objc_condition_signal, __gthread_key_delete): Add
395 "__attribute__ ((__unused__))" to unused arguments.
396 (__gthread_recursive_mutex_init_function): Add missing return.
397 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
398 gthr-posix95.h: Use macro-based approach for name redirection
399 on targets missing weakref.
401 2006-01-26 Zack Weinberg <zackw@panix.com>
403 * genconditions.c (write_header): In generated code, #ifdef out
404 all includes and fake declarations, except includes of bconfig.h
405 and system.h, unless GCC_VERSION >= 3001. Do not include
406 gensupport.h in any case.
407 (write_conditions): Generate a definition of struct c_test. Add
408 a comment to the generated #endif.
409 (write_one_condition): Escape backslashes in string too.
410 (write_writer): Generated code must escape backslashes and quote
411 marks (but not newlines) in the strings it writes.
412 * Makefile.in (build/gencondmd.o): Update dependencies.
414 2006-01-26 Steve Ellcey <sje@cup.hp.com>
417 * Makefile.in (insn-automata.o): Add header file dependencies.
418 * genautomata.c: Add includes.
420 2006-01-26 Steve Ellcey <sje@cup.hp.com>
423 * Makefile.in (insn-automata.o): Add -Wno-error flag.
425 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
427 * configure.ac: Expect target tools paths to be passed from the toplevel
428 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
430 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
432 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
435 * c.opt (Wpointer-sign): Init to -1.
436 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
437 OPT_pedantic, to 0 otherwise.
438 * doc/invoke.texi: Update.
440 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
442 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
443 constants provided by 80387 instructions in the destination mode.
445 2006-01-26 Richard Guenther <rguenther@suse.de>
446 Andrew Pinski <pinskia@physics.uc.edu>
449 partial PR tree-opt/17064
450 * tree-ssa-structalias.c (intra_create_variable_infos):
451 Create heap variables for incoming parameters if
452 flag_argument_noalias > 1.
453 (find_what_p_points_to): Look through default defs of
456 2006-01-26 Jeff Law <law@redhat.com>
459 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
460 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
461 within the VR_RANGE, use the VR_RANGE as the result, not the
463 (adjust_range_with_scev): Reject ranges from SCEV which are out
464 of bounds for the type.
466 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
468 * tree-ssa-alias.c (maybe_create_global_var): Change
469 subvar walking to an assertion that we don't have subvar'd variables.
471 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
474 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
475 Use a new variable, inner. PARM_DECLs are always non-weak.
477 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
479 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
482 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
484 * config/mips/mips.md (*clear_upper32): New combiner pattern.
486 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
488 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
489 (smax_insn, smin_insn, smax_0, smin_0): New.
491 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
494 * config/cris/cris.c (cris_order_for_addsi3): New function.
495 * config/cris/cris-protos.h: Prototype it.
496 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
497 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
498 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
499 (split for "op.S1 [rx=rx+i],ry (swapped)")
500 (split for "op(s|u).S1 [rx=rx+i],ry")
501 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
502 Apply cris_order_for_addsi3 when generating addsi3 insns.
504 2006-01-25 Diego Novillo <dnovillo@redhat.com>
506 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
507 (TREE_BLOCK): Add call to EXPR_CHECK.
509 2006-01-25 Diego Novillo <dnovillo@redhat.com>
512 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
513 * tree-pretty-print.c (dump_omp_clause): Extract from ...
514 (dump_omp_clauses): ... here.
515 (dump_generic_node): Handle OMP_CLAUSE.
516 * tree.c (omp_clause_num_ops): New.
517 (omp_clause_code_name): New.
518 (tree_code_size): Handle OMP_CLAUSE.
519 (tree_size): Likewise.
520 (make_node): Document handling of OMP_CLAUSE.
521 (tree_node_structure): Handle OMP_CLAUSE.
522 (omp_clause_check_failed): New.
523 (omp_clause_range_check_failed): New.
524 (omp_clause_operand_check_failed): New.
525 (build_omp_clause): New.
526 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
527 * tree.h (enum omp_clause_code): Declare.
528 (OMP_CLAUSE_SUBCODE_CHECK): Define.
529 (OMP_CLAUSE_RANGE_CHECK): Define.
530 (OMP_CLAUSE_ELT_CHECK): Define.
531 (omp_clause_check_failed): Declare.
532 (omp_clause_operand_check_failed): Declare.
533 (omp_clause_range_check_failed): Declare.
534 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
535 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
536 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
537 (OMP_CLAUSE_LASTPRIVATE): Likewise.
538 (OMP_CLAUSE_IF_EXPR): Likewise.
539 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
540 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
541 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
542 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
543 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
544 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
545 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
546 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
547 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
548 (OMP_CLAUSE_CODE): Define.
549 (OMP_CLAUSE_SET_CODE): Define.
550 (OMP_CLAUSE_CODE): Define.
551 (OMP_CLAUSE_OPERAND): Define.
552 (struct tree_omp_clause): Declare.
553 (union tree_node): Add field 'omp_clause'.
554 * treestruct.def (TS_OMP_CLAUSE): Define.
555 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
556 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
557 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
558 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
559 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
560 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
561 (OMP_CLAUSE): Define.
562 * print-tree.c (print_node): Handle OMP_CLAUSE.
563 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
564 * c-typeck.c: Likewise.
565 * gimplify.c: Likewise.
567 * tree-nested.c: Likewise.
568 * tree-inline.c: Likewise.
569 * c-parser.c: Likewise.
570 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
573 2006-01-25 Roger Sayle <roger@eyesopen.com>
575 PR rtl-optimization/25703
576 * combine.c (try_combine): Handle zero_extract and strict_low_part
577 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
579 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
581 * global.c: Fix comment typos.
583 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
586 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
587 Use output_addr_const instead of assemble_name.
589 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
591 * Makefile.in (sched-vis.o): Update dependencies.
592 * haifa-sched.c (sched_finish): Clear current_sched_info.
593 * cfg.c (dump_bb_info): New, split from dump_flow_info.
594 (dump_flow_info): Call it.
595 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
597 * basic-block.h (dump_bb_info): Declare.
598 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
599 option, and apply options only for dump files whose TDF_RTL,
600 TDF_TREE, or TDF_IPA bits match.
601 * rtl.h: Declare new functions exported from sched-vis.c.
602 * sched-vis.c: Enable also if scheduling is not used.
603 (print_value): Print the mode of registers if not inside scheduling.
604 (print_insn): Make it work outside the scheduler. Beautify the output
606 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
608 2006-01-25 Richard Sandiford <richard@codesourcery.com>
610 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
611 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
612 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
613 depending on the value of CONSTANT_POOL_ADDRESS_P.
614 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
616 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
617 rather than SYMBOL_REF_DECL.
618 (rtx_constant_pool): Remove const_rtx_sym_htab.
619 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
620 (init_varasm_status): Don't initialize const_rtx_sym_htab.
621 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
622 Remove handling of const_rtx_sym_htab.
623 (find_pool_constant): Delete.
624 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
625 rather than find_pool_constant.
626 (get_pool_constant_for_function): Delete.
627 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
629 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
630 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
631 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
632 (SYMBOL_REF_CONSTANT): New macro.
633 (get_pool_constant_for_function): Delete.
634 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
635 rather than SYMBOL_REF_DECL.
636 (i386_pe_mark_dllimport): Likewise.
637 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
638 rather than SYMBOL_REF_DECL.
639 * config/darwin.c (machopic_indirect_data_reference): Likewise.
640 (machopic_indirect_call_target): Likewise.
642 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
644 * flow.c (delete_noop_moves): Add missing EOL to dump message.
646 2006-01-25 Richard Sandiford <richard@codesourcery.com>
648 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
650 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
652 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
654 2006-01-24 David Daney <ddaney@avtrex.com>
657 * configure.ac (enable_tls): New enable option.
658 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
659 * configure: Regenerate.
660 * doc/install.texi (--enable-tls): Document new option.
661 (--disable-tls): Ditto.
663 2006-01-24 Richard Henderson <rth@redehat.com>
665 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
666 * alias.c (true_dependence): Respect it.
667 (canon_true_dependence, write_dependence_p): Likewise.
668 * builtins.c (get_builtin_sync_mem): Set it.
670 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
672 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
675 2006-01-24 DJ Delorie <dj@redhat.com>
677 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
678 for storing constants in single-bit bitfields.
680 2006-01-25 Ben Elliston <bje@au.ibm.com>
682 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
684 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
687 * tree-ssa-pre.c (phi_translate): Return NULL
688 for AGGREGATE_TYPE's.
690 2006-01-24 Zack Weinberg <zackw@panix.com>
692 * genautomata.c (process_state_for_insn_equiv_partition):
693 Use xcalloc for insn_arcs_array.
694 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
695 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
697 2006-01-24 Richard Henderson <rth@redhat.com>
699 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
702 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
704 PR rtl-optimization/25890
705 PR rtl-optimization/25905
706 * combine.c (expand_compound_operation, expand_field_assignment):
707 Fail if the bitfield's final position is out of bounds.
709 2006-01-24 Ian Lance Taylor <ian@airs.com>
712 * cgraphunit.c (cgraph_output_in_order): Don't clear
713 cgraph_asm_nodes until after asm strings have been output.
715 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
717 * fix-header.c (read_scan_file): Add new parameter imultilib when
718 calling register_include_chains.
720 2006-01-23 Diego Novillo <dnovillo@redhat.com>
722 * omp-low.c: Update documentation.
724 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
725 Daniel Berlin <dberlin@dberlin.org>
729 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
730 return from the function.
732 2006-01-22 Zack Weinberg <zackw@panix.com>
734 * rtl.def (match_code): Add second argument.
735 * genpreds.c (write_extract_subexp): New function.
736 (write_match_code): Add path argument. Use write_extract_subexp.
737 (write_predicate_expr): Pass path to write_match_code.
738 (mark_mode_tests): MATCH_CODE applied to a subexpression does
739 not perform a mode test.
740 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
741 a subexpression does not constrain the top-level code set.
742 * read-rtl.c (read_rtx_variadic): New function.
743 (read_rtx_1): Use it; allow AND and IOR to be variadic.
744 * doc/md.texi: Document new notation.
745 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
746 (cmpsi_operand): ... here, using new notation.
748 2006-01-22 Zack Weinberg <zackw@panix.com>
750 * varray.c: Remove GENERATOR_FILE #ifdefs.
752 2006-01-22 Zack Weinberg <zackw@panix.com>
754 * genautomata.c (output_reserved_units_table): Emit nothing if
755 description->query_units_num is zero. Remove extra blank line.
756 (output_cpu_unit_reservation_p): Short circuit
757 if description->query_units_num is zero.
759 2006-01-22 Zack Weinberg <zackw@panix.com>
761 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
762 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
763 nor any of the random handful of variables that used to be necessary
764 when this program was linked with rtlanal.o. Prune set of forward
765 function declarations.
766 (struct attr_desc): Remove static_p field.
767 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
768 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
769 (attr_string): Do not read the character one past the length of
771 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
772 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
773 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
774 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
775 (make_automaton_attrs): New.
776 (main): Do not call into genautomata. Call local gen_bypass
777 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
778 Remove special case for insn_alts.
779 * genautomata.c: Include gensupport.h; not genattrtab.h nor
780 varray.h (leftover from previous change). Prune set of forward
781 function declarations. Remove state_alts fields from all
782 structures. Remove state_alts_table from struct automaton.
783 Make everything except main static. Do not maintain num_dfa_decls.
784 Do not maintain state_alts fields of various structures.
785 (process_decls): Don't validate condexp for dm_insn_reserv decls.
786 (add_arc): Remove state_alts argument. All callers updated.
787 (output_reserved_units_table): Emit #ifdef here...
788 (output_tables): ...not here. Don't generate state_alts tables.
789 (expand_automata): Don't generate attributes.
790 (write_automata): Don't generate state_alts functions.
791 (main): New function.
792 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
793 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
794 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
795 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
796 (BYPASS_P_FUNC_NAME, output_state_alts_table)
797 (output_automata_list_state_alts_code, output_internal_state_alts_func)
798 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
799 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
801 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
802 * genattrtab.h: Delete file.
803 * Makefile.in (OBJS-common): Add insn-automata.o.
804 (insn-automata.o): New rule.
805 (simple_generated_c): Add insn-automata.c.
806 (build/genattrtab.o, build/genautomata.o): Update dependencies.
807 (genprogmd): Add automata.
808 (build/genattrtab): Needs no extra objects nor libraries.
809 (build/genautomata): Needs build/vec.o and -lm.
811 2006-01-22 Zack Weinberg <zackw@panix.com>
813 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
814 (output_dfa_max_issue_rate, locked_states_num): Delete.
815 (struct automaton): Add locked_states field.
816 (output_dead_lock_vect): Save number of locked states in
817 automaton->locked_states. If it is zero, don't print anything.
818 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
819 (output_internal_dead_lock_func): Only test the dead_lock_vect
820 for automata that have locked states.
821 (output_statistics): Always print the number of locked states for
822 each automaton. Calculate total number of locked states here.
823 (write_automata): Don't call output_dfa_max_issue_rate.
824 * genattrtab.c: Define length_unit_log as a const variable.
825 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
826 max_insn_queue_index const.
827 * final.c (length_unit_log): Declare const.
828 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
830 2006-01-22 Zack Weinberg <zackw@panix.com>
832 * genautomata.c: Include vec.h, not varray.h.
833 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
834 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
835 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
836 VEC_* macros operating on appropriately typed vectors, or to
837 malloced arrays when the size is known in advance. Const-ify
838 many char* variables and function arguments. No functional changes.
839 * Makefile.in (build/varray.o): Delete rule.
840 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
841 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
843 2006-01-22 Zack Weinberg <zackw@panix.com>
845 * gensupport.c: Define get_insn_name and record_insn_name here.
846 (read_md_rtx): Call record_insn_name as appropriate.
847 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
848 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
849 * genpreds.c, genrecog.c: Don't define get_insn_name nor
851 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
852 (BUILD_VARRAY): Delete.
853 (genprognormal): Rename genprogmd. Fold in all programs from
854 genprognoprint; also attrtab.
855 (build/genattrtab): Just mention genautomata.o and varray.o.
856 Reorganize a bit, add comments to make the categories clearer.
858 2006-01-22 Zack Weinberg <zackw@panix.com>
860 * genconditions.c (condition_table, add_condition): Delete.
861 (write_conditions): Don't emit n_insn_conditions nor
862 insn_elision_unavailable. Issue the gcc version #ifdef here,
863 inside the table, with no #else clause ...
864 (write_header): ...not here.
865 (write_writer): New function.
866 (main): Don't initialize condition_table. Use add_c_test.
868 * gensupport.c (init_md_reader_args_cb): Handle multiple input
869 files on the command line.
870 (maybe_eval_c_test): Don't check insn_elision_unavailable.
871 Return -1 if there is no entry in the table, don't abort.
872 (add_c_test, traverse_c_tests): New functions.
873 * gensupport.h (insn_elision_unavailable, insn_conditions)
874 (n_insn_conditions): Delete declarations.
875 (add_c_test, traverse_c_tests): Declare.
876 * read-rtl.c: Include gensupport.h.
877 (read_conditions): New function.
878 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
879 (read_rtx_1): If we get EOF when we were looking for an initial
880 open paren, return 0. Call read_conditions when appropriate.
881 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
882 dummy-conditions.o. Eliminate references to insn-conditions.o,
883 or change them to build/gencondmd.o, as appropriate. Remove
884 insn-constants.h from $(simple_generated_h) and insn-conditions.c
885 from $(simple_generated_c). For all files remaining in those
886 two lists, add insn-conditions.md to the generator command line.
887 Give insn-constants.h/s-constants their own rules. Add rules
888 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
889 (build/read-rtl.o): Depend on gensupport.h.
890 (genprognormal): Include preds.
891 (genprogearly): Rename genprognoprint; only difference is now that
892 they don't link with $(BUILD_PRINT).
893 * dummy-conditions.c: Delete.
895 2006-01-22 Zack Weinberg <zackw@panix.com>
897 * genextract.c: Don't include insn-config.h. Do include vec.h.
898 Declare vectors of int, char, and locstr.
899 (locstr): New typedef.
900 (struct extraction): Make all array fields into bare pointers.
901 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
902 (insn_code_number): Delete.
903 (accum_extract): New struct.
904 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
905 (gen_insn): Take insn_code_number as an argument. Use an
906 accum_extract structure instead of loading data directly into
907 a struct extraction, and having to know how big it might get.
908 (walk_rtx): Operate entirely on an accum_extract structure.
909 (print_path): Avoid unnecessary use of printf.
910 (print_header): New function, split out of main. Distinguish
911 more carefully between an unrecognizable insn and an insn that
912 has the code number of a define_expand.
913 (main): Pass insn_code_number to gen_insn. Call print_header
914 only after parsing. Avoid unnecessary use of printf.
915 * Makefile.in (build/vec.o): New rule.
916 (build/genextract): Depend on build/vec.o.
917 (build/genextract.o): Don't depend on insn-config.h.
919 2006-01-22 Zack Weinberg <zackw@panix.com>
921 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
922 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
923 practical. Eliminate per-generator-program link rules.
925 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
928 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
929 with a call expr to ...
930 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
932 2006-01-23 Richard Guenther <rguenther@suse.de>
934 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
935 before make_edge with conditional EDGE_TRUE_VALUE.
937 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
938 Jan Hubicka <jh@suse.cz>
939 Richard Guenther <rguenther@suse.de>
941 PR rtl-optimization/25654
942 * cfgexpand.c (aggregate_contains_union_type): New function.
943 (add_alias_set_conflicts): Call it. Make sure to add conflicts
944 for structure variables that contain a union type.
946 2006-01-23 Richard Sandiford <richard@codesourcery.com>
948 * gengtype.c (new_structure): Return the structure.
949 (create_option): Add an extra "next" argument.
950 (create_field): New function.
951 (adjust_field_rtx_def): Use create_option and create_field.
952 Remove a now-unnecessary call to find_structure.
953 (adjust_field_tree_def): Likewise.
954 (note_yacc_type): Remove an unnecessary call to find_structure.
955 * gengtype.h (new_structure): Return the structure.
956 (create_option): Add an extra argument.
957 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
958 (option): Adjust calls to create_option.
960 2006-01-22 David Edelsohn <edelsohn@gnu.org>
962 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
964 2006-01-22 Paul Brook <paul@codesourcery.com>
965 Peter Barada <peter@the-baradas.com>
967 * config/m68k/m68k.md: Add Coldfire FPU support.
968 Define FP mode macro and associated attributes.
969 Use it for float mode patterns.
970 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
971 (LIBCALL_VALUE): Use m68k_libcall_value.
972 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
973 (m68k_function_value): Ditto.
974 (emit_move_sequence): Ditto.
975 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
976 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
977 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
978 (MULTILIB_EXCEPTIONS): Ditto.
979 * config/m68k/m68k.opt: Add mcfv4e.
980 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
981 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
982 (m68k_output_function_prologue): Save ColdFire FPU registers.
983 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
984 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
985 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
986 ColdFire FPU registers.
987 (m68k_libcall_value, m68k_function_value): New functions.
988 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
989 (LIBCALL_VALUE): Use m68k_libcall_value.
990 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
991 (MASK_COLDFIRE): Add MASK_CFV4E.
992 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
993 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
994 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
995 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
996 (GO_IF_LEGITIMATE_ADDRESS): Use it.
997 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
998 * doc/invoke.tex: Document -mcfv4e on m68k.
1000 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1002 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1005 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1008 * c-opts.c (c_common_handle_option): Don't include
1009 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1010 * doc/invoke.texi (C++ Dialect Options): Document that
1011 -Wnon-virtual-dtor is no longer included in -Wall.
1013 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1015 * gcov.c (print_version), gcov-dump.c (print_version),
1016 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1019 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1021 * df-scan.c (problem_SCAN): Added NULL reset function.
1022 (df_scan_reset_blocks): Added code to call reset block function
1023 (df_bb_refs_delete) Fixed comment.
1024 (df_insn_refs_delete): Made tolerant of deleting non existent info
1025 for dataflow problems that need to be reset.
1026 * df-core.c (df_set_blocks): Ditto.
1027 * df.h (struct df_problem): Added reset_fun.
1028 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1029 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1030 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1031 functions to clear out all references to def-use or use-def chains.
1033 2006-01-21 Ben Elliston <bje@au.ibm.com>
1035 * varasm.c (assemble_real): Initialise data array.
1037 2006-01-20 Paul Brook <paul@codesourcery.com>
1039 Merge from csl-arm-branch.
1040 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1041 * config/arm/arm.md (movdi): Force operands[1] to a register
1042 if we have a non-register source.
1043 (*arm_movdi, *movdf_soft_insn): Require that one of the
1044 operands be a register.
1045 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1046 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1048 2006-01-20 DJ Delorie <dj@redhat.com>
1050 * varasm.c (initialize_constant_valid_p): Allow pointers
1051 initialized from integer constants of lesser precision.
1052 (output_constant): Allow non-int-sized pointer modes to be
1053 initialized from integer constants.
1055 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1058 * cppdefault.h (struct default_include): Add multilib flag.
1059 * cppdefault.c (cpp_include_defaults): Set it.
1060 * c.opt (-imultilib): New option.
1061 * c-opts.c (imultilib): New.
1062 (c_common_handle_option): Handle -imultilib.
1063 (c_common_post_options): Likewise.
1064 * c-incpath.c (add_standard_paths, register_include_chains):
1066 * c-incpath.h (register_include_chains): Add extra parameter.
1067 * gcc.c (do_spec_1): Generate -imultilib option.
1068 (The Specs Language): Update %I description.
1069 (process_command): Update copyright notice.
1070 * doc/cppopts.texi (-imultilib): Document.
1071 * doc/invoke.texi (-imultilib): Include in option summary.
1072 (%I): Update specs documentation.
1074 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1076 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1078 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1080 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1083 2006-01-20 Richard Guenther <rguenther@suse.de>
1084 Steven Bosscher <stevenb.gcc@gmail.com>
1086 PR rtl-optimization/24626
1087 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1088 EDGE_TRUE_VALUE if in RTL mode.
1091 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1092 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1094 2006-01-20 Dirk Mueller <dmueller@suse.com>
1097 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1098 instead of a special NOP marker.
1099 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1100 NOP marker handling.
1101 * c-common.h (empty_body_warning): Add forward declaration.
1102 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1103 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1105 2006-01-20 Paul Brook <paul@codesourcery.com>
1107 * Makefile.in (lang_checks): Keep going if mkdir fails.
1109 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1111 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1112 be able to clean out basic block when not necessary.
1113 (df_scan_free): Fixed to properly delete information if df is
1114 unused before calling df_finish.
1115 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1116 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1118 (df_bb_refs_delete): New function.
1119 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1120 * df-core.c (df_set_blocks): Added code to properly clean out
1121 unused blocks if they are not part of the blocks to consider.
1122 Added additional null check.
1123 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1124 be able to clean out basic block when not necessary
1125 * df.h (df_free_bb_function): Ditto.
1126 (df_bb_refs_delete): New function.
1127 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1128 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1129 basic block parameter to be able to clean out basic block when not
1131 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1132 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1133 Fixed to properly delete information if df is unused before
1136 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1138 PR rtl-optimization/25799
1139 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1140 Corrected confluence operator to remove bits from op2 before oring
1141 with op1 rather than removing bits from op1.
1142 (df_ru_transfer_function): Corrected test on wrong bitmap which
1143 caused infinite loop. Both of these problems were introduced in
1144 the dataflow rewrite.
1146 2006-01-19 DJ Delorie <dj@redhat.com>
1148 * reload1.c (find_reload_regs): Note the details of reload
1149 failures in the dump file.
1150 (spill_failure): Likewise.
1152 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1154 * loop-iv.c: Include df.h and hashtab.h.
1155 (enum iv_grd_result): New enum.
1156 (DF_REF_IV, DF_REF_IV_SET): New macros.
1157 (struct biv_entry): New.
1158 (df, bivs): New global variables.
1159 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1160 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1162 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1163 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1164 analyzed_for_bivness_p, record_biv): New functions.
1165 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1166 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1167 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1169 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1171 (iv_number_of_iterations): Use new interface to iv analysis.
1172 * loop-unroll.c: Do not include varray.h.
1173 (analyze_iv_to_split_insn): Use new interface to iv
1175 * loop-unswitch.c (may_unswitch_on): Ditto.
1176 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1178 (df_bb_modify): Realloc tables to the new index.
1179 (df_find_use): New function.
1180 * df.h (df_find_use): Declare.
1181 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1183 * cfgloop.h (struct rtx_iv): Remove analysed field.
1184 (iv_get_reaching_def): Removed.
1185 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1186 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1187 (loop-iv.o): Add df.h and hashtab.h dependency.
1188 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1190 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1192 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1194 (__floatundisf, __floatundidf): Likewise.
1195 * libgcc2.h (IS_IBM_EXTENDED): Define.
1197 2006-01-19 DJ Delorie <dj@redhat.com>
1199 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1201 2006-01-19 Paul Brook <paul@codesourcery.com>
1203 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1204 as nothrow when unwinding tables are disabled.
1206 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1209 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1210 of bit-field" when in system header.
1212 2006-01-19 DJ Delorie <dj@redhat.com>
1214 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1215 the 16 bit shift limit of the m16c.
1217 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1220 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1221 * config/i386/i386.c (output_set_got): Output the label if we have one
1222 for the TARGET_DEEP_BRANCH_PREDICTION case.
1224 2006-01-19 Jan Hubicka <jh@suse.cz>
1225 H.J. Lu <hongjiu.lu@intel.com>
1226 Evandro Menezes <evandro.menezes@amd.com>
1228 * invoke.texi (generic): Document
1230 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1231 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1232 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1233 (x86_use_incdec, x86_pad_returns): New variables
1234 (TARGET_CPU_DEFAULT_generic): New constant
1235 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1236 (enum processor_type): Add generic32 and generic64.
1237 * i386.md (cpu attribute): Add generic32/generic64
1238 (movhi splitter): Behave sanely when both partial_reg_dependency and
1239 partial_reg_stall are set.
1240 (K8 splitters): Enable for generic as well.
1241 * predicates.md (incdec_operand): Use TARGET_INCDEC
1242 (aligned_operand): Avoid memory mismatch stalls.
1243 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1244 * ppro.md: Enable for generic32
1245 * i386.c (generic64_cost, generic32_cost): New.
1246 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1247 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1248 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1249 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1250 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1251 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1252 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1253 x86_accumulate_outgoing_args, x86_prologue_using_move,
1254 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1255 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1257 (x86_use_incdec, x86_pad_returns): New.
1258 (override_options): Add generic32 and generic64, translate "generic"
1259 to generic32/generic64 and "i686" to "generic32", refuse
1260 "generic32"/"generic64" as arch target.
1261 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1262 (ix86_reorg): Honor PAD_RETURNS.
1264 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1266 * tree-pretty-print.c (dump_generic_node): Handle
1267 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1268 * cgraph.c (cgraph_expand_queue): Rename from
1269 cgraph_analyze_queue. Update all users.
1270 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1271 cgraph_expand_queue.
1272 (cgraph_expand_all_functions): Likewise.
1273 (cgraph_finalize_pending_functions): Remove. Update callers.
1275 * tree.h (OMP_DIRECTIVE_P): Define.
1276 (OMP_PARALLEL_FN): Define.
1277 (OMP_PARALLEL_DATA_ARG): Define.
1278 (OMP_SECTIONS_SECTIONS): Define.
1279 * tree-pass.h (pass_expand_omp): Declare.
1280 * omp-low.c (struct omp_region): Declare.
1281 (struct omp_context): Remove fields 'parallel_type',
1282 'parallel_start_ix' and 'parallel_start_additional_args'.
1284 (struct omp_for_data): Rename from struct expand_omp_for_data.
1285 (omp_regions): New static variable.
1286 (root_omp_region): New static variable.
1287 (find_omp_clause): Make static.
1288 (is_in_combined_parallel_ctx): Remove.
1289 (is_combined_parallel): New.
1290 (extract_omp_for_data): Move earlier in the file.
1291 (workshare_safe_to_combine_p): New.
1292 (get_ws_args_for): New.
1293 (determine_parallel_type): Move earlier in the file.
1294 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1296 (omp_copy_decl): Likewise.
1297 (create_omp_child_function): Likewise.
1298 (lookup_omp_region): New.
1299 (dump_omp_region): New.
1300 (debug_omp_region): New.
1301 (debug_all_omp_regions): New.
1302 (new_omp_region): New.
1303 (scan_omp_parallel): If parallel_nesting_level > 1, the
1304 directive is nested within another parallel directive.
1305 Set OMP_PARALLEL_FN.
1306 (scan_omp_for): Do not try to handle combined parallel+for
1308 Remove FIXME comment.
1309 (scan_omp_nested): Remove.
1310 (scan_omp_1): Do not call scan_omp_nested when
1311 parallel_nesting_level is > 1.
1312 Do not change the DECL_CONTEXT of local variables found.
1313 (lookup_decl_in_outer_ctx): New.
1314 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1315 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1316 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1317 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1318 If CTX is nested, lookup VAR in the outer context when
1319 building copy assignment.
1320 (lower_send_clauses): Rename from expand_send_clauses.
1321 If CTX is nested, lookup VAR in the outer context when
1322 building copy assignments.
1323 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1324 If CTX is nested, lookup VAR in the outer context when
1325 building copy assignments.
1326 (expand_parallel_call): Rename from build_parallel_call.
1327 Handle combined parallel+workshare cases.
1328 Re-implement to emit code into the CFG.
1330 (expand_omp_parallel): Re-implement to emit code into the CFG.
1331 Call move_sese_region_to_fn to outline the sub-graph
1332 containing the parallel region.
1333 (expand_omp_for_1): Remove.
1334 (expand_omp_for_generic): Re-implement to emit code into the
1336 (expand_omp_for_static_nochunk): Likewise.
1337 (expand_omp_for_static_chunk): Likewise.
1338 (expand_omp_for): Likewise.
1339 (expand_omp_sections): Likewise.
1340 (remove_exit_barriers): New.
1341 (expand_omp_synch): New.
1343 (build_omp_regions_1): New.
1344 (build_omp_regions): New.
1345 (execute_expand_omp): New.
1346 (gate_expand_omp): New.
1347 (pass_expand_omp): Define.
1348 (lower_omp_sections): Rename from expand_omp_sections.
1349 Set OMP_SECTIONS_SECTIONS.
1350 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1351 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1352 (lower_omp_single): Rename from expand_omp_simple.
1353 (lower_omp_master): Rename from expand_omp_master.
1354 (lower_omp_ordered): Rename from expand_omp_ordered.
1355 (lower_omp_critical): Rename from expand_omp_critical.
1356 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1357 (lower_omp_for): Re-implement.
1358 (lower_omp_parallel): Re-implement.
1359 (lower_regimplify): Rename from expand_regimplify.
1360 (lower_omp_1): Rename from expand_omp_1.
1361 If there are syntax errors in the program, replace every
1362 OpenMP directive with NOP.
1363 Call lower_omp_* instead of expand_omp_*.
1364 (lower_omp): Rename from expand_omp.
1366 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1367 * tree-gimple.h (enum omp_parallel_type): Remove.
1368 (gimple_boolify): Declare extern.
1369 (find_omp_clause, determine_parallel_type): Remove.
1371 * gimple-low.c (lower_omp_directive): New.
1372 (lower_stmt): Call it.
1373 (record_vars_into): Move from ...
1374 (record_vars): ... here.
1375 Call record_vars_into with current_function_decl.
1377 * gimplify.c (struct gimplify_ctx): Remove fields
1378 combined_pre_p and combined_ctxp. Update users.
1379 (get_formal_tmp_var): Add documentation.
1380 (gimple_boolify): Make extern.
1381 (gimplify_expr_in_ctx): Remove. Update callers.
1382 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1383 will always be a BIND_EXPR.
1384 (gimplify_expr): Handle OMP_RETURN_EXPR.
1385 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1386 (OMP_PARALLEL): Add 3 operands.
1387 (OMP_SECTIONS): Add 1 operand.
1388 (OMP_RETURN_EXPR): Define.
1390 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1391 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1392 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1393 creating a circular free list.
1394 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1396 * tree-flow.h (move_sese_region_to_fn): Declare.
1397 (record_vars_into): Declare.
1398 * tree-cfg.c (make_omp_sections_edges): New.
1399 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1400 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1401 OMP_SECTIONS and OMP_SECTION.
1402 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1403 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1404 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1405 (gather_blocks_in_sese_region): New.
1406 (struct move_stmt_d): Declare.
1408 (move_block_to_fn): New.
1409 (move_sese_region_to_fn): New.
1411 * passes.c (init_optimization_passes): Schedule
1412 pass_expand_omp after pass_init_datastructures.
1414 * tree-ssa-operands.c (get_expr_operands): Handle
1415 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1416 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1418 2006-01-19 Jeff Law <law@redhat.com>
1420 * tree-vrp.c (extract_range_from_assert): Refine the result range
1421 if the variable referenced by the ASSERT_EXPR has a range and
1422 either the tentative result range or the previous range is a
1425 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1427 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1429 2006-01-19 Jan Hubicka <jh@suse.cz>
1431 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1433 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1435 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1436 (expand_compound_operation, expand_field_assignment): Fail if the
1437 bit lengths of an extract operation are out of range.
1438 (make_extraction): Compute wanted_inner_mode based on the position
1439 and length of the extraction. Make it extraction_mode for non-constant
1440 positions, and do not modify offset in that case. When generating a
1441 new MEM, use a mode that can hold the extraction while keeping correct
1442 alignment. Remove code that supported MEMs wrapped by USEs.
1443 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1445 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1447 * config/s390/s390.md ("Y", "y"): New mode attribute.
1448 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1449 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1450 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1451 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1452 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1453 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1454 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1455 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1456 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1457 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1458 "addsi3", "subsi3"): Insn patterns removed.
1459 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1460 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1461 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1462 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1463 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1464 "*sub<mode>3_cconly2"): New insn patterns.
1465 ("addsi3", "subsi3"): New expanders.
1467 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1469 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1470 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1471 existing STMT_VINFO_VECTYPE if available.
1472 (vect_mark_relevant): Add special handling for stmts that are
1473 marked as STMT_VINFO_IN_PATTERN_P.
1474 (vect_analyze_loop): Call vect_pattern_recog.
1475 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1476 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1478 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1479 (vect_recog_func_ptr): New function-pointer type.
1480 * tree-vect-patterns.c: New file.
1481 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1482 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1483 (vect_pattern_recog_1): New functions.
1484 (vect_pattern_recog_funcs): New array of function pointers.
1486 * tree-vectorizer.h (ternary_op): New enum value.
1487 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1488 declaration. Revised documentation. Removed redundant dump prints.
1489 Removed redundant argument. Added support for reduction patterns.
1490 (vectorizable_reduction): Added support for reduction patterns.
1491 (vect_transform_stmt): Added support for patterns.
1493 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1494 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1495 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1496 (expand_widen_pattern_expr): New function.
1497 (init_optabs): Initialize new optabs udot_prod_optab,
1499 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1500 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1501 (expand_widen_pattern_expr): New function declaration.
1502 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1504 * tree-inline.c (estimate_num_insns_1): Added cases for new
1505 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1506 * tree-pretty-print.c (dump_generic_node): Likewise.
1507 (op_prio): Likewise.
1508 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1509 * tree-ssa-operands.c (get_expr_operands): Added case for
1511 * tree-vect-patterns.c (widened_name_p): New function.
1512 (vect_recog_dot_prod_pattern): Added function implementation.
1513 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1514 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1515 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1516 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1518 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1519 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1520 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1521 (init_optabs): Initialize new optabs widen_ssum_optab,
1523 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1524 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1525 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1526 use instead of type of def.
1527 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1528 function implementation.
1529 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1530 widen_ssumv8hi): New.
1532 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1535 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1538 * c-decl.c (add_flexible_array_elts_to_size): New function.
1539 (finish_decl): Use it.
1541 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1543 * diagnostic.h: Include options.h.
1544 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1545 dependancies for diagnostic.h.
1546 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1548 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1550 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1551 (ssa_ro_call_cache_valid): Ditto.
1552 * tree-ssa-alias.c (sort_tags_by_id): New function.
1553 (init_transitive_clobber_worklist): Ditto.
1554 (add_to_worklist): Ditto.
1555 (mark_aliases_call_clobbered): Ditto.
1556 (compute_tag_properties): Ditto.
1557 (set_initial_properties): Ditto.
1558 (compute_call_clobbered): Ditto.
1559 (compute_may_aliases): Call compute_call_clobbered and grouping.
1560 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1561 (compute_flow_insensitive_aliasing): Grouping now happens in our
1563 (setup_pointers_and_addressables): Remove clobbering related code.
1564 (add_may_alias): Ditto.
1565 (replace_may_alias): Ditto.
1566 (get_nmt_for): Ditto.
1567 (create_global_var):
1568 (is_escape_site): Return an escape_type enumeration.
1569 * tree-flow-inline.h (is_call_clobbered): Global var does not
1570 imply call clobbered.
1571 (mark_call_clobbered): Take a reason for marking this. Remove
1572 marking of globalness, and cache invalidation.
1573 (clear_call_clobbered): Remove cache invalidation code.
1574 * tree-dfa.c (dump_variable): If details is on, dump the reason
1576 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1578 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1579 (struct var_ann_d): Ditto.
1580 (enum escape_type): New.
1581 (mark_call_clobbered): Adjust prototype.
1582 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1583 are never call clobbered.
1584 Record reasons for escaping.
1585 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1586 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1587 (ssa_ro_call_cache_valid): Ditto.
1588 (clobbered_v_may_defs): Ditto.
1589 (clobbered_vuses): Ditto.
1590 (ro_call_vuses): Ditto.
1591 (clobber_stats): New.
1592 (init_ssa_operands): Zero out clobber stats.
1593 (fini_ssa_operands): Print out clobber stats.
1594 (get_call_expr_operands): Pass callee fndecl to
1596 (add_call_clobber_ops): Remove use of cache.
1597 Add use of PURE_CONST information.
1598 (add_call_read_ops): Remove use of cache.
1599 Add use of static not_read information.
1601 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1603 Introduce TLS descriptors for i386 and x86_64.
1604 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1605 (TARGET_ANY_GNU_TLS): New macro.
1606 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1607 (struct machine_function): Add tls_descriptor_call_expanded_p.
1608 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1609 (ix86_current_function_calls_tls_descriptor): Likewise.
1610 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1611 (override_options): Introduce gnu2 tls dialect.
1612 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1614 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1616 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1617 (ix86_init_machine_status): Initialize new field.
1618 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1619 (ix86_tls_module_base): New.
1620 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1621 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1622 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1623 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1624 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1625 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1626 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1627 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1628 * config/i386/predicates.md (tls_modbase_operand): New.
1629 (tp_or_register_operand): New.
1631 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1633 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1634 (look_for_address_of): Ditto.
1635 (ipa_init): Walk the function decls.
1636 (static_execute): Don't set readonly on FUNCTION_DECL's.
1638 2006-01-18 Roger Sayle <roger@eyesopen.com>
1640 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1641 for shifts where the source and destination registers are different.
1643 2006-01-18 Paul Brook <paul@codesourcery.com>
1645 Merge from csl-arm-branch.
1646 2005-03-14 Julian Brown <julian@codesourcery.com>
1647 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1648 (aeabi_llsl): Likewise.
1649 (ashrdi3): Likewise.
1650 (aeabi_lasr): Likewise.
1651 (lshrdi3): Likewise.
1652 (aeabi_llsr): Likewise.
1653 2005-03-10 Julian Brown <julian@codesourcery.com>
1654 * config.gcc: Disable shared libgcc for SymbianOS.
1655 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1657 2006-01-18 DJ Delorie <dj@redhat.com>
1659 * c-pragma.c (handle_pragma_diagnostic): New.
1660 (init_pragma): Register it.
1661 * doc/extend.texi: Document it.
1663 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1664 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1665 (diagnostic_context): Add classify_diagnostic[].
1666 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1667 as errors if they're overridden to DK_WARNING.
1668 (diagnostic_initialize): Initialize classify_diagnostic[].
1669 (diagnostic_set_kind_override): New.
1670 (diagnostic_report_diagnostic): Check for kind changes.
1671 * opts.c (common_handle_option): Take lang_mask. Update callers.
1673 * common.opt (Werror=): New.
1674 * doc/invoke.texi: Document -Werror=*
1676 2006-01-18 Jeff Law <law@redhat.com>
1678 * tree-vrp.c (test_for_singularity): Correct test for new
1679 min limit. Use operand_equal_p rather than pointer equality
1680 for testing if new min/max values are equal.
1682 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1683 using range information until after propagation and folding.
1685 2006-01-18 Richard Henderson <rth@redhat.com>
1686 Aldy Hernandez <aldyh@redhat.com>
1687 Jakub Jelinek <jakub@redhat.com>
1688 Diego Novillo <dnovillo@redhat.com>
1690 * omp-low.c: New file.
1691 * c-omp.c: New file.
1693 2006-01-18 Richard Henderson <rth@redhat.com>
1694 Jakub Jelinek <jakub@redhat.com>
1695 Diego Novillo <dnovillo@redhat.com>
1697 * doc/invoke.texi: Document -fopenmp.
1698 * tree-dump.h (debug_function): Declare.
1699 * hooks.c (hook_bool_tree_bool_false): New function.
1700 (hook_tree_tree_null): Remove.
1701 (hook_tree_tree_tree_null): New.
1702 * hooks.h: Update to match.
1703 * tree-pretty-print.c (debug_tree_chain): New.
1704 (print_generic_expr): Handle TDF_CHAIN.
1705 (dump_generic_node): Handle BLOCK.
1706 Do not abort with incomplete SWITCH_EXPRs.
1707 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1708 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1709 print space after directive name.
1710 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1711 Handle OMP_MASTER and OMP_ORDERED.
1712 Handle printing of OMP_BODY just in one place, goto
1713 dump_omp_body in the rest of OMP_* nodes that have
1715 Don't handle clause nodes here. Update omp statements to
1716 use dump_omp_clauses.
1717 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1718 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1719 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1720 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1721 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1722 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1723 Adjust output for GOMP_PARALLEL.
1724 (dump_omp_clauses): New.
1725 (print_declaration): Dump DECL_VALUE_EXPR.
1726 (op_symbol_1): Split out of op_symbol.
1727 (dumping_stmts): Remove. Update all users.
1728 * cgraph.c (cgraph_analyze_queue): New.
1729 (cgraph_add_new_function): New.
1730 * cgraph.h (cgraph_analyze_queue): Declare.
1731 (cgraph_add_new_function): Declare.
1732 (cgraph_lower_function): Remove.
1733 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1734 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1735 and TYPE_P nodes in its default clause.
1736 (empty_body_p): New.
1737 (tree_range_check_failed): New.
1739 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1740 OMP_CLAUSE_REDUCTION_MERGE,
1741 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1742 OMP_CLAUSE_PRIVATE_DEBUG,
1743 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1744 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1745 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1746 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1747 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1748 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1749 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1750 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1751 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1752 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1753 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1754 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1755 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1756 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1757 (TREE_RANGE_CHECK): New.
1758 (empty_body_p): Declare.
1759 (enum omp_clause_default_kind): New.
1760 (build_string_literal): Declare.
1761 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1762 (build5_stat, build5): Declare.
1763 * tree-pass.h (TDF_CHAIN): Define.
1764 * tree-pass.h (PROP_gimple_lomp): Define.
1765 (pass_lower_omp): Declare.
1766 * diagnostic.h (debug_tree_chain): Declare.
1767 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1769 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1770 * builtins.c (build_string_literal): Make extern.
1771 * gcc.c (include_spec_function): New.
1772 (static_spec_functions): Add it.
1773 (main): Move load of libgomp.spec ...
1774 (LINK_COMMAND_SPEC): ... here.
1775 (link_gomp_spec): New.
1776 (static_specs): Include it.
1777 (LINK_COMMAND_SPEC): Add link_gomp.
1778 (GOMP_SELF_SPECS): New.
1779 (driver_self_specs): Include it.
1780 (switch_matches): Don't mark inline.
1781 (main): Load libgomp.spec.
1782 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1783 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1784 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1785 * tree-gimple.h (enum omp_parallel): Declare.
1786 (determine_parallel_type): Declare.
1787 (omp_firstprivatize_variable): Declare.
1788 (omp_reduction_init): Declare.
1789 (diagnose_omp_structured_block_errors): Declare.
1790 (struct walk_stmt_info): Add want_return_expr.
1791 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1792 (find_omp_clause): Declare.
1793 (insert_field_into_struct): Declare.
1794 (struct walk_stmt_info): Move from tree-nested.c
1795 (walk_stmts): Declare.
1796 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1798 * cgraphunit.c (cgraph_lower_function): Make static.
1799 (cgraph_finalize_pending_functions): New.
1800 (cgraph_finalize_function): Call it.
1801 (cgraph_finalize_compilation_unit): Likewise.
1802 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1803 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1804 (BT_FN_UINT_UINT): New.
1805 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1806 DEF_FUNCTION_TYPE_VAR_4): Document.
1807 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1808 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1809 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1810 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1811 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1812 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1813 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1814 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1815 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1816 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1817 into separate files.
1818 (DEF_GOMP_BUILTIN): New.
1819 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1820 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1821 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1822 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1823 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1824 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1825 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1826 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1827 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1828 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1829 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1830 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1831 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1832 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1833 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1834 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1835 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1836 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1837 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1838 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1839 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1840 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1841 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1842 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1843 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1844 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1845 * sync-builtins.def: New file, moved from builtins.def.
1846 * omp-builtins.def: New file, moved from builtins.def.
1847 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1848 * gimple-low.c (lower_function_body): Clear data.
1849 (lower_stmt): Do not handle COMPOUND_EXPR.
1850 Remove call to print_node_brief.
1851 * c-tree.h (c_finish_omp_clauses): New prototype.
1852 (C_DECL_THREADPRIVATE_P): Define.
1853 (lookup_name_no_remap, c_omp_remap_private): Remove
1854 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1855 (check_for_loop_decls): Update decl.
1856 (lookup_name_no_remap, c_omp_remap_private): Declare.
1857 (build_indirect_ref, build_modify_expr, pushdecl,
1858 pushdecl_top_level): Move to c-common.h.
1859 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1860 before the switch, but just in the 2 places that need it.
1861 * c-decl.c (diagnose_mismatched_decls): Do not check for
1862 mismatched thread-local attributes when OLDDECL is marked
1863 threadprivate and NEWDECL has no thread-local attributes.
1864 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1865 (c_gimple_diagnostics_recursively): Rename from
1866 c_warn_unused_result_recursively. Invoke
1867 diagnose_omp_structured_block_errors.
1868 (check_for_loop_decls): Return a singular decl found.
1869 * langhooks.c (lhd_omp_predetermined_sharing): Return
1870 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1871 (lhd_omp_firstprivatize_type_sizes): New.
1872 (lhd_omp_assignment): New.
1873 (lhd_omp_predetermined_sharing): New.
1874 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1875 (struct lang_hooks_for_types): Add
1876 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1877 omp_predetermined_sharing, omp_disregard_value_expr,
1878 omp_private_debug_clause, omp_clause_default_ctor,
1879 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1880 (c_finish_omp_clauses): New.
1881 (c_finish_bc_stmt): Diagnose break within omp for.
1882 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1883 (build_unary_op): Return error_mark after reporting
1885 (build_modify_expr): Likewise.
1886 * gimplify.c: Include optabs.h and pointer-set.h.
1887 (enum gimplify_omp_var_data): Declare.
1888 (struct gimplify_omp_ctx): Declare.
1889 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1891 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1892 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1893 (splay_tree_compare_decl_uid): New.
1894 (new_omp_context): New.
1895 (delete_omp_context): New.
1896 (gimple_add_tmp_var): Call omp_add_variable.
1897 (gimplify_bind_expr): Likewise.
1898 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1899 true, disregard DECL_VALUE_EXPR on the decl if any.
1900 (gimplify_expr_in_ctx): New.
1901 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1902 omp_add_variable, omp_notice_variable, omp_is_private
1903 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1904 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1905 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1906 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1907 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1908 gimplify_omp_atomic): New.
1909 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1910 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1911 OMP_CRITICAL and OMP_ATOMIC.
1912 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1913 * c-pragma.h (enum pragma_kind): Add
1914 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1915 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1916 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1917 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1918 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1919 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1920 PRAGMA_OMP_THREADPRIVATE.
1921 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1922 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1923 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1924 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1925 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1926 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1927 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1928 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1929 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1930 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1931 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1932 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1933 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1935 (struct nesting_info): Add field_map,
1936 suppress_expansion, debug_var_chain.
1937 (create_nesting_tree): Initialize them.
1938 (lookup_field_for_decl): Use field_map.
1939 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1940 (convert_local_omp_clauses): New.
1941 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1942 (walk_body): Split out of walk_function.
1943 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1944 (convert_nonlocal_reference): Handle omp statements.
1945 (convert_local_reference): Likewise.
1946 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1947 (unnest_nesting_tree): New.
1948 (lower_nested_functions): Call it.
1949 (insert_field_into_struct): Make extern.
1950 (struct walk_stmt_info): Move to tree-gimple.h.
1951 (walk_stmts): Make extern.
1952 * omp-builtins.def: New file.
1953 * tree-iterator.c (expr_only): Clarify comment.
1954 * c-common.h (pushdecl_top_level, pushdecl,
1955 build_modify_expr, build_indirect_ref,
1956 c_finish_omp_master, c_finish_omp_critical,
1957 c_finish_omp_ordered, c_finish_omp_barrier,
1958 c_finish_omp_atomic, c_finish_omp_flush,
1959 c_finish_omp_for, c_split_parallel_clauses,
1960 omp_clause_default_kind, c_omp_sharing_predetermined,
1961 c_omp_remap_decl): Declare.
1962 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1963 (OBJS-common): Add omp-low.o.
1964 (c-omp.o, omp-low.o): Add.
1965 (gimplify.o): Add dependency on $(OPTABS_H).
1966 (GTFILES): Add omp-low.c.
1967 (gt-stringpool.h): Add.
1968 * tree-cfg.c (set_bb_for_stmt): Do not update the
1969 block-to-labels map if we are currently expanding to RTL.
1970 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1972 Handle IDENTIFIER_NODE.
1973 (tree_verify_flow_info): Do not ICE when emitting error
1974 messages about invalid labels.
1975 (dump_function_to_file): Reset CFUN before emitting the body
1977 (debug_function): New.
1978 * passes.c (init_optimization_passes): Schedule
1980 * langhooks-def.h (lhd_omp_predetermined_sharing,
1981 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1983 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1984 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1985 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1986 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1987 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1988 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1989 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1990 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1991 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1992 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1993 (LANG_HOOK_DECLS): Use them.
1995 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1996 Richard Henderson <rth@redhat.com>
1997 Jakub Jelinek <jakub@redhat.com>
1998 Diego Novillo <dnovillo@redhat.com>
2000 * c-parser.c (pragma_omp_clause): Define.
2001 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2002 (c_parser_compound_statement): Likewise.
2003 (c_parser_statement): Likewise.
2004 (c_parser_pragma): Handle omp pragmas.
2005 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2006 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2007 (c_parser_omp_clause_name, check_no_duplicate_clause,
2008 c_parser_omp_variable_list,
2009 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2010 c_parser_omp_clause_copyprivate,
2011 c_parser_omp_clause_default,
2012 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2013 c_parser_omp_clause_lastprivate,
2014 c_parser_omp_clause_nowait,
2015 c_parser_omp_clause_num_threads,
2016 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2017 c_parser_omp_clause_reduction,
2018 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2019 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2020 c_parser_omp_atomic, c_parser_omp_barrier,
2021 c_parser_omp_critical, c_parser_omp_flush,
2022 c_parser_omp_for_loop, c_parser_omp_for,
2023 c_parser_omp_master, c_parser_omp_ordered,
2024 c_parser_omp_sections_scope, c_parser_omp_sections,
2025 c_parser_omp_parallel, c_parser_omp_single,
2026 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2027 * c-pragma.c (init_pragma): Do omp pragma registration here.
2028 * c.opt (fopenmp): New flag.
2030 2006-01-18 Eric Christopher <echristo@apple.com>
2032 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2033 * config/darwin.h (GOMP_SELF_SPECS): Define.
2035 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2037 * rtl.h: Remove the prototype for reg_alloc.
2039 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2042 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2043 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2044 sjlj and dwarf2 exception handling.
2045 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2046 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2047 * pa/pa.c (function_value): Treat complex and vector types as
2049 (function_arg): Likewise. Only pass scalar floats in the floating
2050 point argument registers.
2051 * pa/t-slibgcc-dwarf-ver: New file.
2052 * pa/t-slibgcc-sjlj-ver: New file.
2053 * pa/t-slibgcc-elf-ver: Delete file.
2055 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2057 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2058 unlikely_test_section_p test.
2060 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2062 * mode-switching.c (optimize_mode_switching): Make it static.
2063 * basic-block.h: Remove the prototype for
2064 optimize_mode_switching.
2066 * modulo-sched.c (sms_schedule): Make it static.
2067 * rtl.h: Remove the prototype for sms_schedule.
2069 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2070 * rtl.h: Remove the prototype for gcse_after_reload_main.
2072 * reg-stack.c (reg_to_stack): Make it static.
2073 * rtl.h: Remove the prototype for reg_to_stack.
2075 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2077 * rtl.h: Remove the prototypes for regrename_optimize and
2078 copyprop_hardreg_forward.
2080 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2082 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2083 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2084 Test against the appropriate null constant for the mode.
2085 If 'fixup_overlap' is true, swap the operands if they overlap.
2086 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2087 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2088 alpha_split_tmode_pair and adjust for above change.
2089 * config/alpha/alpha.md (movtf_internal): Adjust call to
2090 alpha_split_tfmode_pair and rely on it to swap the operands.
2091 (movti_internal): New insn and post-reload splitter.
2092 (movti): New expander.
2094 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2096 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2099 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2101 * rtlanal.c (global_reg_mentioned_p_1,
2102 global_reg_mentioned_p): Remove.
2103 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2105 * flow.c (initialize_uninitialized_subregs): Make it static.
2106 * rtl.h: Remove the prototype for
2107 initialize_uninitialized_subregs.
2109 * function.c (instantiate_virtual_regs): Make it static.
2110 * function.h: Remove the prototype for
2111 instantiate_virtual_regs.
2113 * regmove.c (regmove_optimize, combine_stack_adjustments):
2115 * rtl.h: Remove the prototypes for regmove_optimize and
2116 combine_stack_adjustments.
2118 2006-01-17 Roger Sayle <roger@eyesopen.com>
2120 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2121 (size_cost): Encode costs in bytes so that a reg-reg addition is
2122 equivalent to COSTS_N_INSNS(1).
2123 (override_options): Use the size_cost.branch_cost as the default
2124 ix86_branch_cost when optimizing for size.
2126 2006-01-18 Ben Elliston <bje@au.ibm.com>
2128 * Makefile.in (D32PBIT_FUNCS): New.
2129 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2130 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2131 D64PBIT_FUNCS and D128PBIT_FUNCS.
2132 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2133 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2135 (decnumber_dep): Define.
2136 * doc/libgcc.texi (Decimal float library routines): New node.
2137 * config/dfp-bit.h, config/dfp-bit.c: New files.
2139 2006-01-18 Ben Elliston <bje@au.ibm.com>
2141 * expr.c (emit_move_change_mode): Always adjust addresses, not
2142 just during reload. Copy replacements only during reload.
2143 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2144 emit_move_via_integer.
2146 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2148 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2149 instead of $(srcdir) and ${srcdir}.
2151 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2155 * arm.h (struct machine_function): Add pic_reg.
2156 * arm.c (arm_pic_register): Make unsigned.
2157 (arm_override_options): Only set arm_pic_register if
2158 TARGET_SINGLE_PIC_BASE.
2159 (use_return_insn): Only test for a pic register if it is fixed.
2160 (arm_compute_save_reg0_reg12_mask): Likewise.
2161 (thumb_compute_save_reg_mask): Likewise.
2162 (legitimate_pic_operand): Factor out some known invariants.
2163 (legitimize_pic_address): If we don't have a fixed pic register,
2164 then set up a pseudo in the function entry sequence. Handle the
2165 pic base being in a pseudo.
2166 (arm_load_pic_register): Handle the pic register being in a pseudo.
2167 (arm_expand_prologue): Only set up the pic register if it is fixed.
2168 (thumb_expand_prologue): Likewise.
2169 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2170 (pic_load_addr_based_insn): Likewise.
2171 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2174 2006-01-18 Ben Elliston <bje@au.ibm.com>
2176 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2177 decimal float modes for all floating point registers.
2179 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2180 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2182 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2185 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2186 even when the pointer is not NULL.
2188 2006-01-16 Ian Lance Taylor <ian@airs.com>
2190 * common.opt (ftoplevel-reorder): New option.
2191 * cgraph.c (cgraph_asm_nodes): New global variable.
2192 (cgraph_asm_last_node): New static variable.
2193 (cgraph_order): New global variable.
2194 (cgraph_create_node): Set new order field.
2195 (cgraph_varpool_node): Likewise.
2196 (decide_is_variable_needed): Return true if not
2197 flag_toplevel_reorder.
2198 (cgraph_add_asm_node): New function.
2199 * cgraph.h (struct cgraph_node): Add order field.
2200 (struct cgraph_varpool_node): Add order field.
2201 (struct cgraph_asm_node): Define.
2202 (cgraph_asm_nodes, cgraph_order): Declare.
2203 (cgraph_add_asm_node): Declare.
2204 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2206 (cgraph_varpool_assemble_pending_decls): Call it.
2207 (cgraph_output_pending_asms): New static function.
2208 (cgraph_finalize_compilation_unit): Call it.
2209 (struct cgraph_order_sort): Define.
2210 (cgraph_output_in_order): New static function.
2211 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2212 !flag_toplevel_reorder case.
2213 * c-parser.c: Include "cgraph.h".
2214 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2216 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2217 than -fno-unit-at-a-time.
2218 * doc/invoke.texi (Option Summary): Mention
2219 -fno-toplevel-reorder.
2220 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2221 -funit-at-a-time documentation.
2223 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2224 Kazu Hirata <kazu@codesourcery.com>
2226 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2228 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2230 * Makefile.in (FUNCTION_H): New. Use it instead of
2231 function.h throughout the file.
2232 * function.h: Include tree.h.
2234 2006-01-17 Ben Elliston <bje@au.ibm.com>
2236 * recog.c: Separate some functions with whitespace.
2238 2006-01-16 Richard Henderson <rth@redhat.com>
2240 Merge from gomp branch:
2241 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2242 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2243 and rename from struct inline_data. Rename callee* to dst*;
2244 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2245 transform_new_cfg, transform_return_to_modify, and
2246 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2248 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2249 (copy_decl_for_dup): Remove.
2250 * tree-inline.c (struct inline_data): Move to header.
2251 (insert_decl_map): Export.
2252 (remap_decl): Update for member name changes. Use copy_decl hook.
2253 Allow for replacement to be a non-decl. Remove dead code.
2254 (remap_type_1): Check for existing mapping.
2255 (remap_type): Export.
2256 (remap_decls): Update for member name changes.
2257 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2258 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2259 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2260 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2261 (tree_function_versioning, build_duplicate_type): Likewise.
2262 (copy_body_r): Likewise. Export.
2263 (copy_decl_for_dup): Split into ...
2264 (copy_decl_for_dup_finish, copy_decl_to_var,
2265 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2266 (replace_ref_tree, inlining_p): Remove.
2268 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2270 * ifcvt.c (if_convert): Make it static.
2271 * rtl.h: Remove the prototype for if_convert.
2273 * local-alloc.c (local_alloc): Make it static.
2274 * rtl.h: Remove the prototype for local_alloc.
2276 * loop.c (loop_optimize): Make it static.
2277 * cfgloop.h: Remove the prototype for loop_optimize.
2280 2006-01-16 DJ Delorie <dj@redhat.com>
2282 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2285 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2287 * pa.md: Disparage copies between general and floating-point registers
2288 in 32-bit move patterns.
2290 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2293 * Makefile.in (check-%): Depend on site.exp instead of
2294 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2297 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2299 * global.c (global_alloc): Make it static.
2300 * rtl.h: Remove the prototype for global_alloc.
2302 2006-01-16 Richard Guenther <rguenther@suse.de>
2304 * tree-ssa-alias.c (struct used_part): Add write_only field.
2305 (get_or_create_used_part_for): Initialize it to true.
2306 (create_overlap_variables_for): Don't create structure variables
2307 for structures that only are written to.
2308 (find_used_portions): Handle MODIFY_EXPR to track whether a
2309 structure is only written to.
2311 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2313 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2315 * basic-block.h: Remove the prototype for
2316 partition_hot_cold_basic_blocks.
2318 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2320 * cppspec.c (lang_specific_spec_functions): Remove.
2321 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2322 * gcc.h (lang_specific_spec_functions): Remove.
2323 * gccspec.c (lang_specific_spec_functions): Remove.
2325 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2327 * combine.c (record_value_for_reg): Invalidate registers
2329 (record_dead_and_set_regs_1): Likewise, by passing them to
2330 record_value_for_reg.
2331 (record_dead_and_set_regs): Invalidate stores made by a
2332 call. We do not combine across a call, but we still
2333 relied on equivalences.
2335 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2337 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2338 vrp_int_const_binop returning non-constant nodes.
2340 2006-01-16 Paul Brook <paul@codesourcery.com>
2342 * config/m68k/m68k.c (output_move_const_into_data_reg):
2343 Output correct mnemonic for mvz and mvs.
2345 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2347 * rtl-factoring.c: Add sequence abstraction algorithm.
2348 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2349 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2351 (block_has_preserve_label): New function.
2352 * common.opt: Register new pass.
2353 * Makefile.in: Ditto.
2355 * timevar.def: Ditto.
2356 * tree-pass.h: Ditto.
2357 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2358 * rtl.h (make_jump_insn_raw): Add forward decl.
2359 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2361 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2362 Roger Sayle <roger@eyesopen.com>
2364 * fold-const.c (fold_minmax): New static function.
2365 (fold_binary) <MIN_EXPR>: Call it.
2366 <MAX_EXPR>: Likewise.
2367 * stor-layout.c (place_field): Use DECL_SIZE consistently
2368 in the computation of the new record size.
2370 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2372 * cse.c (cse_condition_code_reg): Make it static.
2373 * rtl.h: Remove the prototype for cse_condition_code_reg.
2375 * combine.c (combine_instructions): Make it static.
2376 * rtl.h: Remove the prototype for combine_instructions.
2378 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2381 * tree.c (get_file_function_name_long): Concatenate the first global
2382 object name with a string derived from the input filename of the object
2385 2006-01-16 Ben Elliston <bje@au.ibm.com>
2387 * config/i386/winnt-stubs.c: Update FSF address.
2388 * config/xtensa/ieee754-df.S: Ditto.
2389 * config/xtensa/ieee754-sf.S: Ditto.
2391 2006-01-14 Ian Lance Taylor <ian@airs.com>
2393 * ifcvt.c (noce_init_if_info): New static function, broken out of
2394 noce_process_if_block.
2395 (noce_process_if_block): Call noce_init_if_info.
2396 (check_cond_move_block): New static function.
2397 (cond_move_process_if_block): New static function.
2398 (process_if_block): Call cond_move_process_if_block.
2400 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2402 * cselib.c (hash_table): Rename to cselib_hash_table.
2403 (cselib_clear_table, discard_useless_values,
2404 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2405 cselib_init, cselib_finish): Adjust uses of hash_table.
2407 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2409 PR tree-optimization/25485
2410 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2411 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2412 is known to be false and true, respectively.
2414 2006-01-14 Richard Guenther <rguenther@suse.de>
2416 PR tree-optimization/22548
2417 PR tree-optimization/22555
2418 PR tree-optimization/22501
2419 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2420 * params.def (salias-max-array-elements): New parameter.
2421 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2422 * doc/invoke.texi (salias-max-array-elements): Document.
2423 * tree-flow-inline.h (var_can_have_subvars): We also handle
2425 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2427 * tree-ssa-structalias.c (params.h): Include.
2428 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2429 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2430 (get_constraint_for): For ADDR_EXPR operating on something
2431 containing an ARRAY_REF, add all subvars to the solution.
2432 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2433 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2434 for creating MUST_DEFs.
2435 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2437 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2439 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2441 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2442 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2443 number_of_iterations_le): New functions.
2444 (number_of_iterations_special): Removed.
2445 (number_of_iterations_exit): Do not use number_of_iterations_special.
2446 * tree.c (unsigned_type_for): Always return integer type.
2448 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2449 Richard Guenther <rguenther@suse.de>
2451 PR rtl-optimization/24257
2452 * gcse.c (find_moveable_store): Only consider a store movable
2453 when the SET_SRC of the insn can be assigned to a register.
2455 2006-01-14 Ian Lance Taylor <ian@airs.com>
2457 * tree.c (tree_not_class_check_failed): New function.
2458 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2459 (tree_not_class_check_failed): Declare.
2461 2006-01-13 Ian Lance Taylor <ian@airs.com>
2463 * reload1.c (do_output_reload): Add assertion rejecting a
2466 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2468 * combine.c (struct reg_stat): Add new fields truncation_label and
2470 (record_value_for_reg): Reset truncated_to_mode.
2471 (record_truncated_value): New function.
2472 (check_promoted_subreg): Call it. Rename to check_conversions.
2473 (combine_instructions): Rename check_promoted_subreg to
2475 (reg_truncated_to_mode): New function.
2476 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2477 (gen_lowpart_or_truncate): New function.
2478 (force_to_mode): Use it instead of gen_lowpart.
2480 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2482 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2483 VAR is a tag, not its type tag.
2485 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2487 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2488 alternatives to match style of other entries.
2489 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2491 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2493 PR tree-optimization/25771
2494 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2497 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2500 * tree-inline.c (declare_return_variable): If the return variable
2501 was marked as a non gimple complex, set the return slot variable
2502 to be a non gimple comple variable.
2504 2006-01-13 Richard Guenther <rguenther@suse.de>
2506 * builtins.c (expand_builtin_sincos): New function.
2507 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2509 (expand_builtin): Expand sincos using expand_builtin_sincos.
2511 2006-01-12 DJ Delorie <dj@redhat.com>
2513 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2514 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2515 so that constant shifts can be split.
2516 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2517 (m32c_valid_pointer_mode): Make static.
2518 (shift_gen_func_for): New.
2519 (m32c_prepare_shift): Use it. Split large const shifts into
2521 * config/m32c/predicates.md (shiftcount_operand): Allow more
2523 (longshiftcount_operand): New.
2524 * doc/md.texi (Machine Constraints): Document In6.
2526 2006-01-13 Ben Elliston <bje@au.ibm.com>
2528 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2529 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2532 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2534 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2535 to try to avoid clobbering pieces of structures when we know
2536 something about the whole structure.
2537 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2539 2006-01-13 Ben Elliston <bje@au.ibm.com>
2541 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2542 return in memory, as this is no limitation is no longer present.
2544 2006-01-12 DJ Delorie <dj@redhat.com>
2546 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2547 mova with fb, and for fb+0 -> An.
2549 * config/m32c/mov.md (peephole2): Fix enabling logic.
2551 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2552 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2553 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2554 FINI_ARRAY_SECTION_ASM_OP): Define.
2556 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2558 (m32c_legitimize_reload_address): New logic to reload FB to An.
2559 (m32c_output_reg_push): Add newline.
2560 (m32c_output_reg_pop): Likewise.
2562 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2564 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2566 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2568 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2570 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2572 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2575 2006-01-11 Ben Elliston <bje@au.ibm.com>
2577 * rtlanal.c (find_reg_note): Assert insn is not null.
2579 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2581 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2584 2006-01-11 Jeff Law <law@redhat.com>
2586 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2588 (mark_threaded_blocks, register_jump_thread): New functions.
2589 (thread_through_all_blocks): Remove unwanted argument. No
2590 longer rely on e->aux to communicate thread target info.
2591 Call mark_threaded_blocks. Release the threaded_blocks
2592 bitmap and threaded_edges vector when complete.
2593 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2594 (threaded_blocks): Remove.
2595 (tree_ssa_dominator_optimize): Remove initialization and
2596 finalization of threaded_blocks. Simplify call to
2597 thread_through_all_blocks.
2598 (thread_across_edge): Call register_jump_thread rather than
2599 storing thread information into e->aux.
2600 (free_all_edge_infos): Simplify now that e->aux is no longer
2601 used to communicate with thread_through_all_blocks.
2602 * tree-flow.h (thread_through_all_blocks): Update prototype.
2603 (register_jump_thread): Prototype.
2605 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2607 * df-core.c (df_compact_blocks, df_bb_replace): Use
2608 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2610 2006-01-11 Richard Guenther <rguenther@suse.de>
2612 PR tree-optimization/25734
2613 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2614 stop propagation after successful propagation to the LHS.
2616 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2618 * basic-block.h (control_flow_graph): Change the type of
2619 x_basic_block_info to VEC(basic_block,gc) *.
2620 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2622 (SET_BASIC_BLOCK): New.
2623 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2624 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2625 * cfgbuild.c (find_basic_blocks): Likewise.
2626 * cfglayout.c (fixup_reorder_chain): Likewise.
2627 * cfgrtl.c (create_basic_block_structure,
2628 rtl_create_basic_block): Likewise.
2629 * ifcvt.c (find_if_case_1): Likewise.
2630 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2633 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2635 * Makefile.in: Removed rotted odf.c entry.
2637 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2640 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2641 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2642 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2643 output pattern modifier, not %e.
2644 * config/cris/cris.c (cris_op_str): Update comment about pattern
2646 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2647 before falling through into...
2648 <case 'E'>: Redefined from old 'e' case.
2650 2006-01-11 Jan Hubicka <jh@suse.cz>
2653 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2655 2006-01-11 Jan Hubicka <jh@suse.cz>
2657 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2658 * i386.c (x86_decompose_lea): Kill.
2659 (ix86_rtx_costs): Kill.
2661 2006-01-11 Jan Hubicka <jh@suse.cz>
2663 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2664 * cgraph.h (cgraph_node): Add inline_decl.
2665 (cgraph_insert_node_to_hashtable): Declare.
2666 (save_inline_function_body): Declare.
2667 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2669 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2670 (cgraph_function_versioning): Update call of tree_function_versioning.
2671 (save_inline_function_body): New function.
2672 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2673 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2674 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2675 (cgraph_default_inline_p): Likewise.
2676 (cgraph_decide_inlining_incrementally): Likewise.
2677 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2678 (copy_bb): Kill saving; do updating of clones.
2679 (copy_cfg_body): Kill saving.
2680 (initialize_inlined-parameters): Likewise.
2681 (expand_call_inline): Likewise.
2683 (tree_function_versioning): New parameter "update_clones".
2684 (inlining_p): Kill saving.
2685 * tree-inline.h (tree_function_versioning): Update prototype.
2686 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2689 2006-01-11 Ian Lance Taylor <ian@airs.com>
2691 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2692 Allow undoing set of machine mode.
2693 (do_SUBST): Use enums instead of is_int.
2694 (do_SUBST_MODE): New function.
2695 (SUBST_MODE): New macro.
2696 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2697 reg and trying to replace reg_regno_rtx with a new register.
2698 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2699 (simplify_set): Use SUBST_MODE.
2700 (distribute_notes): Remove code that tried to update reg notes
2701 for regno_reg_rtx changes.
2703 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2705 PR tree-optimization/23109
2706 PR tree-optimization/23948
2707 PR tree-optimization/24123
2709 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2710 * tree-cfg.c (single_noncomplex_succ): New.
2711 * tree-flow.h (single_noncomplex_succ): Declare it.
2712 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2713 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2714 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2715 insert_bb, register_division_in, insert_reciprocals,
2716 replace_reciprocal, free_bb): New.
2717 (execute_cse_reciprocals_1): Rewritten.
2718 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2719 Do not commit any edge insertion. Always compute dominators and
2720 create the allocation pool.
2721 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2722 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2723 * targhooks.c (default_min_divistions_for_recip_mul): New.
2724 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2725 * passes.c (init_optimization_passes): Run recip after tree loop
2727 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2729 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2730 Kenneth Zadeck <zadeck@naturalbridge.com>
2732 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2733 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2734 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2735 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2736 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2737 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2738 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2739 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2740 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2741 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2742 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2743 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2744 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2745 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2746 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2747 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2748 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2749 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2750 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2751 DF_SCAN_POST_ALLOC): New macros.
2752 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2753 df_free_bb_function, df_local_compute_function, df_init_function,
2754 df_dataflow_function, df_confluence_function_0,
2755 df_confluence_function_n, df_transfer_function,
2756 df_finalizer_function, df_free_function, df_dump_problem_function,
2757 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2758 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2759 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2760 df_urec_bb_info, ) New types.
2761 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2763 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2764 df_analyze_simple_change_some_blocks,
2765 df_analyze_simple_change_one_block, df_compact_blocks,
2766 df_bb_replace, df_bb_regno_last_use_find,
2767 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2768 df_insn_regno_def_p, df_find_def, df_find_use,
2769 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2770 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2771 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2772 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2773 debug_df_chain, df_get_dependent_problem, df_chain_create,
2774 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2775 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2776 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2777 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2778 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2779 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2780 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2781 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2782 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2783 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2784 df_reorganize_refs, df_set_state, df_hard_reg_init,
2785 df_read_modify_subreg_p) New public functions.
2786 * df-core.c: The core dataflow solver and glue routines for rtl
2788 (df_init, df_add_problem, df_set_blocks, df_finish,
2789 df_hybrid_search_forward, df_hybrid_search_backward,
2790 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2791 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2792 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2793 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2794 df_reg_defined, df_find_use, df_reg_used, df_dump,
2795 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2796 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2797 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2798 debug_df_useno, reset_df_after_reload): New functions.
2799 * df-scan.c: The scanning fuctions, once in df.c, completely
2800 rewritten so that they now fully model the functionality of
2801 register usage at the backend.
2802 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2803 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2804 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2805 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2806 df_get_artificial_defs, df_get_artificial_uses,
2807 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2808 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2809 df_refs_delete, df_reorganize_refs, df_set_state,
2810 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2811 df_def_record_1, df_defs_record, df_uses_record,
2812 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2813 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2814 df_record_exit_block_uses, df_hard_reg_init): New functions.
2816 * df-problems.c: Seven concrete dataflow problems that use the
2817 scanning in df-scan.c and are solved by the engine in df-core.c.
2818 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2819 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2820 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2821 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2822 df_ru_free_bb_info, df_ru_alloc,
2823 df_ru_bb_local_compute_process_def,
2824 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2825 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2826 df_ru_transfer_function, df_ru_free, df_ru_dump,
2827 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2828 df_rd_free_bb_info, df_rd_alloc,
2829 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2830 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2831 df_rd_transfer_function, df_rd_free, df_rd_dump,
2832 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2833 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2834 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2835 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2836 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2837 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2838 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2839 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2840 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2841 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2842 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2843 df_urec_mark_reg_use_for_earlyclobber,
2844 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2845 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2846 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2847 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2848 df_chain_create_bb_process_use, df_chain_create_bb,
2849 df_chain_finalize, df_chain_free, df_chains_dump,
2850 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2851 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2852 df_reg_lifetime): New functions.
2853 * df.c: Deleted file.
2854 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2855 consistent with new df api.
2856 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2857 rest_of_handle_sms): Ditto.
2858 * web.c (unionfind_union, union_defs, entry_register, web_main):
2860 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2861 invariant_expr_equal_p, find_defs, check_dependencies,
2862 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2863 free_inv_motion_data, move_loop_invariants): Ditto.
2864 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2865 Update dependencies.
2866 (odf.c): Added defective entry that was deleted later in day.
2867 * sched-deps.c (sched_analyze_1): Ditto.
2869 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2871 * tree-ssa-operands.c (get_expr_operands): Record addressable
2872 variables directly. Do not call add_stmt_operands for CONST_DECLs
2874 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2875 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2877 2006-01-11 Ben Elliston <bje@au.ibm.com>
2879 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2880 function returns true in the positive case.
2882 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2885 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2886 for SI, DI, SF and DF modes. Add alternatives to copy between
2887 general and floating point registers to the 32-bit patterns.
2888 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2889 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2890 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2891 generating 64-bit code.
2892 * config/pa/pa.c (output_move_double): Handle copies between general
2893 and floating registers.
2895 2006-01-10 Stuart Hastings <stuart@apple.com>
2897 * config/i386/i386.md (set_got): Update.
2898 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2899 (builtin_setjmp_receiver): Mach-O support.
2900 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2901 (GOT_SYMBOL_NAME): Define.
2902 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2903 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2904 * config/i386/i386.c (override_options): Revise for Darwin.
2905 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2906 support. (darwin_x86_file_end): New. (output_set_got): Add label
2907 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2908 * config/i386/i386-protos.h (output_set_got): Likewise.
2909 * config/darwin.c (machopic_legitimize_pic_address): Update
2912 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2914 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2915 when MODE isn't BLKmode.
2917 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2919 PR rtl-optimization/25367
2920 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2922 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2925 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2926 for a negative bound.
2928 2006-01-10 Richard Guenther <rguenther@suse.de>
2930 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2931 Never override with anything constraint.
2933 2006-01-10 Jan Beulich <jbeulich@novell.com>
2935 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2936 256 bits when optimize_size.
2938 2006-01-10 Jan Beulich <jbeulich@novell.com>
2940 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2942 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2943 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2946 2006-01-10 Ben Elliston <bje@au.ibm.com>
2948 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2950 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2951 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2952 (USE_FP_FOR_ARG): Reject decimal float modes.
2953 (function_arg_advance): Likewise.
2954 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2955 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2956 point types in AltiVec vectors.
2957 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2958 (rs6000_libcall_value): Likewise.
2960 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2962 * config/xtensa/ieee754-df.S: New file.
2963 * config/xtensa/ieee754-sf.S: New file.
2964 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2965 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2966 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2968 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2970 * config/sh/predicates.md (binary_float_operator,
2971 binary_logical_operator, commutative_float_operator,
2972 equality_comparison_operator, greater_comparison_operator,
2973 less_comparison_operator, logical_operator,
2974 noncommutative_float_operator, shift_operator,
2975 symbol_ref_operand, unary_float_operator): Remove redundant
2978 2006-01-09 Jeff Law <law@redhat.com>
2980 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2981 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2982 now unused arguments. Callers updated.
2983 (eliminate_redundant_computations): Remove now unused arguments,
2985 (local_fold): Remove, no longer used.
2986 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2988 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2989 (simplify_cond): New function.
2990 (forward_propagate_into_cond): Call simplify_cond.
2992 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2994 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2995 (*vec_extractv2di_1_sse): New.
2997 2006-01-09 Ben Elliston <bje@au.ibm.com>
2999 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3001 2006-01-08 Richard Guenther <rguenther@suse.de>
3003 * tree-ssa-structalias.c (get_constraint_for): Remove
3005 (get_constraint_for_component_ref): Likewise.
3006 (do_deref): Likewise.
3007 (get_constraint_for): Likewise.
3008 (do_structure_copy): Likewise.
3009 (handle_ptr_arith): Likewise.
3010 (find_func_aliases): Likewise. Remove unused need_anyoffset
3013 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3014 Kaz Kojima <kkojima@gcc.gnu.org>
3016 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3017 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3018 (EXTRA_CONSTRAINT_C16): Remove.
3019 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3020 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3021 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3022 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3023 constants of SHmedia. Handle nested constant expressions of
3025 (andcosts): Fix the costs for SHmedia constants.
3026 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3027 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3028 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3029 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3030 (movv4hi_i, movv2si_i): Likewise.
3031 (movsi_const): Adjust the second operand of ior so to match with
3033 (movdi_const, movdi_const_32bit): Likewise.
3034 (movdi_const_16bit+1): Don't sign-extend LOW.
3035 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3037 (*double_shori): Fix the split condition. Use GEN_INT instead
3038 of get_int_mode calls. Mask lower 16-bit of the argument of
3040 (sym2GOTPLT): Remove.
3041 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3043 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3044 instead of EXTRA_CONSTRAINT_C16.
3046 2006-01-07 Ian Lance Taylor <ian@airs.com>
3047 David Edelsohn <edelsohn@gnu.org>
3049 PR rtl-optimization/25662
3050 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3051 for constant operands instead of simplify_gen_binary.
3052 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3053 after trying simplify_binary_operation
3055 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3057 * tree.c (iterative_hash_expr): Hash decls based on UID.
3059 2006-01-06 Eric Christopher <echristo@apple.com>
3061 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3062 (TARGET_UNWIND_EMIT): Fix spelling.
3063 * target.h (gcc_target): Add except_table_label.
3064 * except.c (output_function_exception_table): Use.
3065 * varasm.c (default_emit_except_table_label): New.
3066 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3068 (asm_out): Add here.
3069 * output.h (default_emit_except_table_label): Prototype.
3070 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3071 * config/darwin.c (darwin_emit_except_table_label): Define.
3072 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3074 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3076 PR tree-optimization/18527
3077 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3078 number_of_iterations_special, number_of_iterations_exit):
3079 Move base and step of an iv to a single structure. Add
3080 no_overflow flag, and use it in # of iterations analysis.
3081 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3082 folded_casts argument.
3083 (simple_iv): Pass base and step in a structure. Set no_overflow
3085 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3086 Evaluate expensiveness of computing # of iterations instead of
3087 the final expression.
3088 * tree-scalar-evolution.h (affine_iv): New structure.
3089 (simple_iv): Declaration changed.
3090 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3091 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3092 find_givs_in_stmt): Changed due to simple_iv change.
3094 2006-01-06 Jeff Law <law@redhat.com>
3097 * tree-cfg.c (bsi_replace): Rename final argument from
3098 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3099 change (stmt -> orig_stmt).
3100 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3101 (bsi_remove): Add new argument. Remove EH information
3103 (verify_eh_throw_table_statements): New function.
3104 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3106 * tree-optimize.c (execute_free_cfg_annotations): Verify
3107 the EH throw statement table after removing annotations.
3108 * except.h (verify_eh_throw_table_statements): Prototype.
3109 * tree-flow.h (bsi_remove): Update prototype.
3110 * tree-vrp.c (remove_range_assertions): Add new argument to
3112 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3113 * tree-complex.c (expand_complex_div_wide): Likewise.
3114 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3115 * tree-tailcall.c (eliminate_tailcall): Likewise.
3116 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3117 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3118 * tree-nrv.c (tree_nrv): Likewise.
3119 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3120 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3121 (combine_blocks): Likewise.
3122 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3123 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3124 (cleanup_control_flow): Likewise.
3125 (remove_forwarder_block): Likewise.
3126 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3127 * tree-sra.c (sra_replace): Likewise.
3128 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3129 (forward_propagate_single_use_vars): Likewise.
3130 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3131 * tree-inline.c (expand_call_inline): Likewise.
3132 * tree-vect-transform.c (vect_transform_loop): Likewise.
3133 * tree-outof-ssa.c (rewrite_trees): Likewise.
3134 * tree-cfg.c (make_goto_expr_edges): Likewise.
3135 (cleanup_dead_labels): Likewise.
3136 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3137 (bsi_move_before, bsi_move_after): Likewise.
3138 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3139 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3141 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3144 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3146 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3147 on non gimple variables. Also add checks at the top for decls and
3149 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3151 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3152 and IMAGPART_EXPR for creating MUST_DEFs.
3153 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3154 and NAME_MEMORY_TAG separately from the DECLs.
3156 2006-01-06 Richard Guenther <rguenther@suse.de>
3158 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3159 annotation, if necessary.
3160 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3161 redundant calls to update_stmt.
3162 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3165 2006-01-05 Richard Henderson <rth@redhat.com>
3167 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3169 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3171 * c-typeck.c: Update copyright date.
3173 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3175 * c-typeck.c (build_c_cast): Always warn when casting
3176 from a pointer to an integer of different size, even if
3177 the node was constant.
3179 2006-01-05 Richard Guenther <rguenther@suse.de>
3181 PR tree-optimization/22555
3182 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3183 if one structure field is an array.
3184 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3185 operands even if we found a subvar, but ignore VOPs in this
3187 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3189 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3191 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3194 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3196 2006-01-05 Richard Guenther <rguenther@suse.de>
3197 Diego Novillo <dnovillo@redhat.com>
3199 * tree-pass.h (TODO_remove_unused_locals): Define.
3200 * gimple-low.c (expand_var_p, remove_useless_vars,
3201 pass_remove_useless_vars): Remove. Update all users.
3202 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3203 (remove_unused_locals): New function.
3204 * tree-flow.h (remove_unused_locals): Declare.
3205 * passes.c (execute_todo): Call remove_unused_locals if
3206 TODO_remove_unused_locals is set.
3207 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3208 * tree-ssa-dce.c (pass_dce): Likewise.
3209 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3211 2006-01-05 Richard Guenther <rguenther@suse.de>
3213 * tree-flow.h (struct fieldoff): Decompose field to
3214 type, size and decl.
3215 * tree-ssa-alias.c (create_sft): Take type as parameter.
3216 (create_overlap_variables_for): Store type, size and decl
3217 in the fieldoff structure.
3218 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3220 (push_fields_onto_fieldstack): Likewise.
3221 (create_variable_info_for): Likewise. Use offset for the
3222 SFT name if the decl is not available.
3224 2006-01-04 Paul Brook <paul@codesourcery.com>
3226 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3228 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3230 * lambda-code.c (can_put_in_inner_loop): Relax
3232 (can_put_after_inner_loop): New function.
3233 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3234 (perfect_nestify): Change to make copies and modify uses.
3236 2006-01-04 Richard Henderson <rth@redhat.com>
3238 Merge from gomp branch:
3239 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3240 via integer constant.
3241 (pragma_lex): Remove.
3242 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3243 rather than parsing it.
3244 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3245 handle_pragma_extern_prefix): Add %< %> quotes.
3246 (registered_pragmas): New.
3247 (c_register_pragma_1): New.
3248 (c_register_pragma): Use it.
3249 (c_register_pragma_with_expansion): Likewise.
3250 (c_invoke_pragma_handler): New.
3251 (init_pragma): Use cpp_register_deferred_pragma directly for
3253 * c-pragma.h (enum pragma_kind): New.
3254 (pragma_handler): New.
3255 (c_invoke_pragma_handler): Declare.
3256 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3258 * c-common.h (c_common_pch_pragma): Update decl.
3259 * Makefile.in (c-parser.o): Update dependencies.
3260 (GTFILES): Add c-pragma.h.
3261 * c-parser.c (struct c_token): Add pragma_kind.
3262 (struct c_parser): Add in_pragma.
3263 (c_lex_one_token): Always initialize keyword and pragma_kind.
3264 Extract data for CPP_PRAGMA.
3265 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3266 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3267 Don't allow CPP_PRAGMA_EOL if in_pragma.
3268 (c_parser_consume_pragma): New.
3269 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3270 (c_parser_skip_to_end_of_parameter): Likewise.
3271 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3272 (c_parser_skip_to_pragma_eol): New.
3273 (c_parser_external_declaration): Handle CPP_PRAGMA.
3274 (c_parser_compound_statement_nostart): Likewise.
3275 (c_parser_statement_after_labels): Likewise.
3276 (c_parser_pragma): New.
3277 (pragma_lex): Likewise.
3278 (c_parser_pragma_pch_preprocess): New.
3279 (c_parser_new): Merge into ...
3280 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3282 2006-01-04 Jeff Law <law@redhat.com>
3285 * tree-cfg.c (bsi_replace): Remove the original statement
3286 from the EH throw statement table.
3288 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3290 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3291 make the prototype extern "C" and add throw ().
3294 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3295 and pos non-negative and pos + len <= 32.
3296 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3297 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3298 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3301 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3302 as well as sizes not multiple of component size.
3305 * function.c (instantiate_expr): New function.
3306 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3307 walk its DECL_VALUE_EXPR with instantiate_expr.
3309 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3310 DW_OP_deref{,_size} if address isn't going to be added.
3312 2006-01-04 Ben Elliston <bje@au.ibm.com>
3314 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3315 * config/fp-bit.c: Likewise.
3317 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3319 * dominance.c: Add comment about why we use DFS numbering
3322 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3323 Richard Henderson <rth@redhat.com>
3325 Merge from gomp-branch:
3326 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3327 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3329 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3331 PR rtl-optimization/25578
3332 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3333 pass a parameter to simplify_shift_const if changing ASHIFTRT
3336 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3338 * builtins.c (get_builtin_sync_mem): New function.
3339 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3340 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3341 Call get_builtin_sync_mem to generate mem rtx.
3343 2006-01-03 Richard Guenther <rguenther@suse.de>
3346 * stmt.c (add_case_node): Make sure to clear overflow flags
3349 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3351 Merge from gomp-branch.
3352 * config/sparc/sync.md: New file.
3353 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3354 UNSPECV_LDSTUB): New constants.
3355 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3356 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3357 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3360 2006-01-03 Roger Sayle <roger@eyesopen.com>
3362 * combine.c (reg_subword_p): New predicate to test whether the
3363 destination of a set refers to a subword/piece of a register.
3364 (try_combine): Generalize the code to merge the setting of a
3365 pseudo to a constant followed by a set of a subword of that
3366 register to a constant.
3368 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3370 * basic-block.h (control_flow_graph): Change the type of
3371 x_label_to_block_map to VEC(basic_block,gc) *.
3372 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3373 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3375 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3376 VEC(basic_block,heap) *.
3377 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3378 ssa_prop_fini): Adjust the uses of cfg_blocks.
3380 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3382 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3384 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3385 hashing trees instead of a pointer hash.
3386 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3387 compare for MEM_EXPR.
3389 PR rtl-optimization/25130
3390 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3391 when comparing MEMs for GCSE
3393 2006-01-03 Ben Elliston <bje@au.ibm.com>
3395 * targhooks.h (default_decimal_float_supported_p): Declare.
3396 * targhooks.c (default_decimal_float_supported_p): Define.
3397 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3398 `default_decimal_float_supported_p'.
3399 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3401 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3403 * combine.c (apply_distributive_law <SUBREG>): Check
3404 TRULY_NOOP_TRUNCATION.
3406 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3408 * dwarf2out.c (have_switched_text_section): Delete.
3409 (have_multiple_function_sections): New.
3410 (have_location_lists): Make 'bool'.
3411 (add_AT_loc_list): Use 'true' not '1'.
3412 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3413 (output_loc_list): Use have_multiple_function_sections.
3414 (output_ranges): Likewise.
3415 (dwarf2out_begin_function): Set have_multiple_function_sections if
3417 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3418 Check function_section rather than DECL_SECTION_NAME.
3419 (dwarf2out_finish): Use have_multiple_function_sections.
3420 Don't clear have_location_lists.
3422 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3423 Jan Hubicka <jh@suse.cz>
3425 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3426 case of conditional jump jumping to the next instruction.
3427 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3428 cases of conditional jump jumping to the next instruction.
3430 2006-01-02 Jan Hubicka <jh@suse.cz>
3432 * i386.c (*_cost): Add COSTS_N_INSNS.
3433 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3435 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3438 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3440 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3442 * config/arm/arm.c (all_fpus): Fix comment typo.
3443 * config/darwin.c: Likewise.
3444 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3445 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3446 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3448 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3450 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3451 (rs6000_split_compare_and_swapqhi): New.
3452 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3453 (sync_compare_and_swapqhi_internal): New.
3454 * config/rs6000/rs6000-protos.h: Declare.