1 2006-01-30 Roger Sayle <roger@eyesopen.com>
3 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4 argv to the appropriate type.
6 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14 * config/s390/s390.c (struct machine_function): New flag
15 decomposed_literal_pool_addresses_ok_p.
16 (s390_reorg): Set it before final stage of literal pool transforms.
17 (s390_decompose_address): Only accept displacements of the form
18 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
22 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
23 the comparison routine return.
25 2006-01-30 Michael Matz <matz@suse.de>
27 * global.c (find_reg): Only evict for global regs.
28 Take n_refs into account and dump more info.
30 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
33 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
34 (pragma_trap, pragma_nosave_low_regs): Likewise.
35 (current_function_anonymous_args): Likewise.
36 (sh_deferred_function_attributes): New variable.
37 (sh_deferred_function_attributes_tail): Likewise.
38 (print_operand): For '@', look up trap_exit attribute.
39 (calc_live_regs): Look up trapa_handler attribute. For trapa
40 handlers, save/restore fpscr, but don't do any other
41 interrupt-specific saves.
42 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
43 Fix check for partially saved registers to check for SHmedia.
44 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
45 (sh_output_function_epilogue): Don't clear any of the removed
47 (sh_insert_attributes): Don't check pragma_interrupt.
48 Insert deferred attributes. Check that interrupt attribute is
49 present for other attributes that require its presence.
50 (sh_attribute_table): Add new attributes trapa_handler and
52 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
53 Don't check for pragma_interrupt. Don't store argument.
54 * sh.h (pragma_interrupt, sp_switch): Don't declare.
55 (sh_deferred_function_attributes): Declare.
56 (sh_deferred_function_attributes_tail): Likewise.
57 * sh.md (sp_switch_1): Add operand. Change generator caller.
58 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
59 (*return_i): Don't use when trap_exit attribute is in effect.
60 (*return_trapa): New insn pattern.
62 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
63 setting c_target_objs and cxx_target_objs.
64 * t-sh: Add rule for sh-c.o.
66 2006-01-30 Richard Guenther <rguenther@suse.de>
69 * gimplify.c (gimplify_target_expr): Handle easy cases
70 without creating a temporary.
72 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
74 * vec.h (safe_grow): Remove duplicated line.
76 2006-01-29 Diego Novillo <dnovillo@redhat.com>
79 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
80 (expand_omp): ... here.
81 (expand_omp_parallel): Only remove barriers for combined
82 parallel+workshare constructs.
84 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
88 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
89 * tree.c (build_qualified_type): Chain the new type to the original
90 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
91 a POINTER_TYPE or a REFERENCE_TYPE respectively.
92 (build_pointer_type_for_mode): Only return unqualified types.
93 (build_reference_type_for_mode): Likewise.
95 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
97 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
98 * Makefile.in (CXX_COMPAT_WARN): Define.
99 * configure: Regenerate.
101 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
104 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
107 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
109 * toplev.c: Fix thinko.
111 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
112 Marcin Dalecki <martin@dalecki.de>
114 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
115 (push_srcloc): Use XNEW.
116 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
118 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
120 * df-core.c (df_set_blocks): Deleted all variable.
122 2006-01-28 Ian Lance Taylor <ian@airs.com>
124 * cgraphunit.c (cgraph_assemble_pending_functions): Call
125 cgraph_output_pending_asms.
127 2006-01-28 Zack Weinberg <zackw@panix.com>
129 * c.opt: Add -W(no-)overlength-strings.
130 * doc/invoke.texi: Document it.
131 * c-opts.c (c_common_handle_option): -pedantic implies
132 -Woverlength-strings, if not explicitly disabled already.
133 (c_common_post_options): -Woverlength-strings defaults to off, and
134 is always off for C++.
135 * c-common.c (fix_string_type): Issue warning about strings longer
136 than is portable only if warn_overlength_strings. Rearrange code
137 a little for clarity.
138 * configure.in: Check for -Wno-overlength-strings as well before
139 enabling -pedantic in stage 1.
140 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
141 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
143 * genconditions.c (write_header, write_one_condition)
144 (write_conditions, write_writer): Consolidate very long strings
145 that were broken up to fit in C89 portable limit. Don't use
146 printf when fputs will do.
148 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
150 * combine.c (simplify_comparison <AND>): Check
151 TRULY_NOOP_TRUNCATION before start using a subreg.
153 * config/mips/mips.md (*branch_zero<mode>,
154 *branch_zero<mode>_inverted, *branch_equality<mode>,
155 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
156 Remove mode check from comparisons.
158 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
160 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
162 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
164 * expmed.c (const_mult_add_overflow_p): Remove.
165 * expr.h: Remove the prototype for const_mult_add_overflow_p.
167 * recog.c (validate_replace_rtx_subexp): Remove.
168 * recog.h: Remove the prototype for
169 validate_replace_rtx_subexp.
171 * integrate.h: Remove the prototype for
172 copy_decl_for_inlining.
173 * rtl.h: Remove the prototype for mark_constant_function.
174 * tree-vectorizer.h: Remove the prototype for
175 vect_strip_conversion.
177 * modulo-sched.c (create_partial_schedule,
178 free_partial_schedule, reset_partial_schedule): Make them
181 * hooks.c (hook_bool_rtx_int_false): Remove.
182 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
184 2006-01-28 David Edelsohn <edelsohn@gnu.org>
186 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
187 and -mlong-double-128 are incompatible.
188 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
189 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
190 (TARGET_LIBGCC2_CFLAGS): Define.
191 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
192 (TARGET_LIBGCC2_CFLAGS): Same.
193 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
195 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
198 * c-typeck.c (build_binary_op): Perform implicit casts of
199 operands before shortening them.
201 * cfgloopmanip.c (split_loop_bb): Remove.
202 * cfgloop.h: Remove the prototype for split_loop_bb.
204 * cfgloop.c (flow_loop_outside_edge_p): Remove.
205 * cfgloop.h: Remove the prototype for
206 flow_loop_outside_edge_p.
208 * emit-rtl.c (init_virtual_regs): Make it static.
209 * function.h: Remove the prototype for init_virtual_regs.
211 * recog.c (peephole2_optimize): Make it static.
212 * recog.h: Remove the prototype for peephole2_optimize.
214 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
216 * df-scan.c (df_record_entry_block_defs): Check if
217 INCOMING_RETURN_ADDR_RTX is defined.
219 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
220 Kenneth Zadeck <zadeck@naturalbridge.com>
222 PR rtl-optimization/24762
223 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
224 * targhooks.c (hook_void_bitmap): New hook prototype.
225 * targhoohs.h (hook_void_bitmap): Ditto.
226 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
227 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
228 * target.h (live_on_entry): New function pointer.
229 * df-scan.c (df_all_hard_regs): Removed.
230 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
231 (df_scan_free_internal): Added df->entry_block_defs.
232 (df_scan_alloc): Ditto.
233 (df_scan_dump): Ditto.
234 (df_uses_record): Plumbed flag field properly thru calls.
235 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
236 This part fixes PR24762.
237 (df_bb_refs_record): Added code to make the frame and arg
238 pointers live in EH blocks.
239 (df_refs_record): Added call to df_record_entry_block_defs.
240 (df_record_entry_block_defs): New function.
241 * df-core.c: Added comments to describe new artifical defs.
242 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
243 (entry_block_defs): New field in struct df.
244 (df_all_hard_regs): Deleted.
245 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
246 * df-problems.c (df_ru_bb_local_compute_process_def):
247 Added code to handle artifical defs in the entry to a function.
248 (df_ru_bb_local_compute): Ditto.
249 (df_rd_bb_local_compute_process_def): Ditto.
250 (df_rd_bb_local_compute): Ditto.
251 (df_lr_bb_local_compute): Ditto.
252 (df_ur_bb_local_compute): Ditto.
253 (df_urec_bb_local_compute): Ditto.
254 (df_chain_create_bb): Ditto.
255 (df_ur_local_finalize): Removed entry.
256 (df_urec_init): Ditto.
257 (df_urec_local_finalize): Ditto.
258 (df_ri_bb_compute): Added detection of last use of pseudos.
259 * Makefile.in (df-scan.o): Updated dependencies.
260 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
261 * config/mips/mips.c (mips_set_live_on_entry): Added.
262 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
264 * dce.c (marked_insn_p): Added code to handle artifical defs.
266 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
268 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
270 (_mm_cvtsi128_si64): Likewise.
271 (_mm_cvtsd_si64): Likewise.
272 (_mm_cvttsd_si64): Likewise.
273 (_mm_cvtsi64_sd): Likewise.
274 (_mm_cvtsi64_si128): Likewise.
275 * config/i386/mmintrin.h (_m_from_int64): Likewise.
276 (_mm_cvtsi64_m64): Likewise.
277 (_m_to_int64): Likewise.
278 (_mm_cvtm64_si64): Likewise.
279 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
280 (_mm_cvttss_si64): Likewise.
281 (_mm_cvtsi64_ss): Likewise.
282 (_mm_cvtss_f32): Likewise.
284 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
286 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
287 for pragma redefine_extname.
289 2006-01-27 Jakub Jelinek <jakub@redhat.com>
292 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
293 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
294 -mno-minimal-toc to previous content.
295 (bispecs): Remove goal.
296 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
297 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
298 compatibility aliases on powerpc-*-*gnu*.
299 * config/rs6000/libgcc-ppc-glibc.ver: New file.
300 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
301 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
302 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
303 (ldblspecs): New goal.
304 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
305 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
307 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
308 L_sf_to_tf or L_df_to_tf is defined.
310 2006-01-27 David Edelsohn <edelsohn@gnu.org>
311 Alan Modra <amodra@bigpond.net.au>
314 * config/rs6000/linux.h (POWERPC_LINUX): Define.
315 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
316 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
317 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
318 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
319 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
320 (rs6000_override_options): Initialize rs6000_ieeequad.
321 Initialize TFmode format to ibm_extended_format if not
323 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
325 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
326 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
327 (function_arg_advance): IBM long double passed in two FPRs, not
329 (function_arg): IBM long double passed in FPRs.
330 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
331 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
332 Only multireg GPR aligned.
333 (rs6000_init_libfuncs): Enable IBM long double functions if not
335 (rs6000_generate_compare): Use IBM long double compare if not
337 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
338 (TARGET_IEEEQUAD): Define.
339 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
341 * config/rs6000/rs6000.md: Enable TFmode patterns if
343 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
344 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
345 and -mlong-double-128 are incompatible.
346 * doc/invoke.texi (-mabi): Collect options together. Add
347 ibmlongdouble and ieeelongdouble.
349 2006-01-27 Richard Sandiford <richard@codesourcery.com>
351 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
353 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
354 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
355 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
356 * rtl.h (rtunion_def): Remove rt_ptr.
358 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
359 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
360 * config/i386/winnt.c (i386_pe_mark_dllexport)
361 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
363 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
365 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
367 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
371 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
372 pthread_key_delete. From John David Anglin. gthrw-ify
373 pthread_getunique_np only if it it's not a macro. Delete
375 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
376 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
377 __gthread_objc_condition_signal, __gthread_key_delete): Add
378 "__attribute__ ((__unused__))" to unused arguments.
379 (__gthread_recursive_mutex_init_function): Add missing return.
380 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
381 gthr-posix95.h: Use macro-based approach for name redirection
382 on targets missing weakref.
384 2006-01-26 Zack Weinberg <zackw@panix.com>
386 * genconditions.c (write_header): In generated code, #ifdef out
387 all includes and fake declarations, except includes of bconfig.h
388 and system.h, unless GCC_VERSION >= 3001. Do not include
389 gensupport.h in any case.
390 (write_conditions): Generate a definition of struct c_test. Add
391 a comment to the generated #endif.
392 (write_one_condition): Escape backslashes in string too.
393 (write_writer): Generated code must escape backslashes and quote
394 marks (but not newlines) in the strings it writes.
395 * Makefile.in (build/gencondmd.o): Update dependencies.
397 2006-01-26 Steve Ellcey <sje@cup.hp.com>
400 * Makefile.in (insn-automata.o): Add header file dependencies.
401 * genautomata.c: Add includes.
403 2006-01-26 Steve Ellcey <sje@cup.hp.com>
406 * Makefile.in (insn-automata.o): Add -Wno-error flag.
408 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
410 * configure.ac: Expect target tools paths to be passed from the toplevel
411 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
413 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
415 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
418 * c.opt (Wpointer-sign): Init to -1.
419 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
420 OPT_pedantic, to 0 otherwise.
421 * doc/invoke.texi: Update.
423 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
425 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
426 constants provided by 80387 instructions in the destination mode.
428 2006-01-26 Richard Guenther <rguenther@suse.de>
429 Andrew Pinski <pinskia@physics.uc.edu>
432 partial PR tree-opt/17064
433 * tree-ssa-structalias.c (intra_create_variable_infos):
434 Create heap variables for incoming parameters if
435 flag_argument_noalias > 1.
436 (find_what_p_points_to): Look through default defs of
439 2006-01-26 Jeff Law <law@redhat.com>
442 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
443 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
444 within the VR_RANGE, use the VR_RANGE as the result, not the
446 (adjust_range_with_scev): Reject ranges from SCEV which are out
447 of bounds for the type.
449 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
451 * tree-ssa-alias.c (maybe_create_global_var): Change
452 subvar walking to an assertion that we don't have subvar'd variables.
454 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
457 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
458 Use a new variable, inner. PARM_DECLs are always non-weak.
460 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
462 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
465 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
467 * config/mips/mips.md (*clear_upper32): New combiner pattern.
469 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
471 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
472 (smax_insn, smin_insn, smax_0, smin_0): New.
474 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
477 * config/cris/cris.c (cris_order_for_addsi3): New function.
478 * config/cris/cris-protos.h: Prototype it.
479 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
480 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
481 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
482 (split for "op.S1 [rx=rx+i],ry (swapped)")
483 (split for "op(s|u).S1 [rx=rx+i],ry")
484 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
485 Apply cris_order_for_addsi3 when generating addsi3 insns.
487 2006-01-25 Diego Novillo <dnovillo@redhat.com>
489 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
490 (TREE_BLOCK): Add call to EXPR_CHECK.
492 2006-01-25 Diego Novillo <dnovillo@redhat.com>
495 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
496 * tree-pretty-print.c (dump_omp_clause): Extract from ...
497 (dump_omp_clauses): ... here.
498 (dump_generic_node): Handle OMP_CLAUSE.
499 * tree.c (omp_clause_num_ops): New.
500 (omp_clause_code_name): New.
501 (tree_code_size): Handle OMP_CLAUSE.
502 (tree_size): Likewise.
503 (make_node): Document handling of OMP_CLAUSE.
504 (tree_node_structure): Handle OMP_CLAUSE.
505 (omp_clause_check_failed): New.
506 (omp_clause_range_check_failed): New.
507 (omp_clause_operand_check_failed): New.
508 (build_omp_clause): New.
509 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
510 * tree.h (enum omp_clause_code): Declare.
511 (OMP_CLAUSE_SUBCODE_CHECK): Define.
512 (OMP_CLAUSE_RANGE_CHECK): Define.
513 (OMP_CLAUSE_ELT_CHECK): Define.
514 (omp_clause_check_failed): Declare.
515 (omp_clause_operand_check_failed): Declare.
516 (omp_clause_range_check_failed): Declare.
517 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
518 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
519 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
520 (OMP_CLAUSE_LASTPRIVATE): Likewise.
521 (OMP_CLAUSE_IF_EXPR): Likewise.
522 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
523 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
524 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
525 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
526 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
527 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
528 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
529 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
530 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
531 (OMP_CLAUSE_CODE): Define.
532 (OMP_CLAUSE_SET_CODE): Define.
533 (OMP_CLAUSE_CODE): Define.
534 (OMP_CLAUSE_OPERAND): Define.
535 (struct tree_omp_clause): Declare.
536 (union tree_node): Add field 'omp_clause'.
537 * treestruct.def (TS_OMP_CLAUSE): Define.
538 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
539 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
540 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
541 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
542 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
543 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
544 (OMP_CLAUSE): Define.
545 * print-tree.c (print_node): Handle OMP_CLAUSE.
546 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
547 * c-typeck.c: Likewise.
548 * gimplify.c: Likewise.
550 * tree-nested.c: Likewise.
551 * tree-inline.c: Likewise.
552 * c-parser.c: Likewise.
553 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
556 2006-01-25 Roger Sayle <roger@eyesopen.com>
558 PR rtl-optimization/25703
559 * combine.c (try_combine): Handle zero_extract and strict_low_part
560 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
562 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
564 * global.c: Fix comment typos.
566 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
569 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
570 Use output_addr_const instead of assemble_name.
572 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
574 * Makefile.in (sched-vis.o): Update dependencies.
575 * haifa-sched.c (sched_finish): Clear current_sched_info.
576 * cfg.c (dump_bb_info): New, split from dump_flow_info.
577 (dump_flow_info): Call it.
578 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
580 * basic-block.h (dump_bb_info): Declare.
581 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
582 option, and apply options only for dump files whose TDF_RTL,
583 TDF_TREE, or TDF_IPA bits match.
584 * rtl.h: Declare new functions exported from sched-vis.c.
585 * sched-vis.c: Enable also if scheduling is not used.
586 (print_value): Print the mode of registers if not inside scheduling.
587 (print_insn): Make it work outside the scheduler. Beautify the output
589 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
591 2006-01-25 Richard Sandiford <richard@codesourcery.com>
593 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
594 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
595 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
596 depending on the value of CONSTANT_POOL_ADDRESS_P.
597 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
599 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
600 rather than SYMBOL_REF_DECL.
601 (rtx_constant_pool): Remove const_rtx_sym_htab.
602 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
603 (init_varasm_status): Don't initialize const_rtx_sym_htab.
604 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
605 Remove handling of const_rtx_sym_htab.
606 (find_pool_constant): Delete.
607 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
608 rather than find_pool_constant.
609 (get_pool_constant_for_function): Delete.
610 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
612 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
613 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
614 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
615 (SYMBOL_REF_CONSTANT): New macro.
616 (get_pool_constant_for_function): Delete.
617 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
618 rather than SYMBOL_REF_DECL.
619 (i386_pe_mark_dllimport): Likewise.
620 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
621 rather than SYMBOL_REF_DECL.
622 * config/darwin.c (machopic_indirect_data_reference): Likewise.
623 (machopic_indirect_call_target): Likewise.
625 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
627 * flow.c (delete_noop_moves): Add missing EOL to dump message.
629 2006-01-25 Richard Sandiford <richard@codesourcery.com>
631 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
633 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
635 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
637 2006-01-24 David Daney <ddaney@avtrex.com>
640 * configure.ac (enable_tls): New enable option.
641 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
642 * configure: Regenerate.
643 * doc/install.texi (--enable-tls): Document new option.
644 (--disable-tls): Ditto.
646 2006-01-24 Richard Henderson <rth@redehat.com>
648 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
649 * alias.c (true_dependence): Respect it.
650 (canon_true_dependence, write_dependence_p): Likewise.
651 * builtins.c (get_builtin_sync_mem): Set it.
653 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
655 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
658 2006-01-24 DJ Delorie <dj@redhat.com>
660 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
661 for storing constants in single-bit bitfields.
663 2006-01-25 Ben Elliston <bje@au.ibm.com>
665 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
667 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
670 * tree-ssa-pre.c (phi_translate): Return NULL
671 for AGGREGATE_TYPE's.
673 2006-01-24 Zack Weinberg <zackw@panix.com>
675 * genautomata.c (process_state_for_insn_equiv_partition):
676 Use xcalloc for insn_arcs_array.
677 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
678 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
680 2006-01-24 Richard Henderson <rth@redhat.com>
682 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
685 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
687 PR rtl-optimization/25890
688 PR rtl-optimization/25905
689 * combine.c (expand_compound_operation, expand_field_assignment):
690 Fail if the bitfield's final position is out of bounds.
692 2006-01-24 Ian Lance Taylor <ian@airs.com>
695 * cgraphunit.c (cgraph_output_in_order): Don't clear
696 cgraph_asm_nodes until after asm strings have been output.
698 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
700 * fix-header.c (read_scan_file): Add new parameter imultilib when
701 calling register_include_chains.
703 2006-01-23 Diego Novillo <dnovillo@redhat.com>
705 * omp-low.c: Update documentation.
707 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
708 Daniel Berlin <dberlin@dberlin.org>
712 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
713 return from the function.
715 2006-01-22 Zack Weinberg <zackw@panix.com>
717 * rtl.def (match_code): Add second argument.
718 * genpreds.c (write_extract_subexp): New function.
719 (write_match_code): Add path argument. Use write_extract_subexp.
720 (write_predicate_expr): Pass path to write_match_code.
721 (mark_mode_tests): MATCH_CODE applied to a subexpression does
722 not perform a mode test.
723 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
724 a subexpression does not constrain the top-level code set.
725 * read-rtl.c (read_rtx_variadic): New function.
726 (read_rtx_1): Use it; allow AND and IOR to be variadic.
727 * doc/md.texi: Document new notation.
728 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
729 (cmpsi_operand): ... here, using new notation.
731 2006-01-22 Zack Weinberg <zackw@panix.com>
733 * varray.c: Remove GENERATOR_FILE #ifdefs.
735 2006-01-22 Zack Weinberg <zackw@panix.com>
737 * genautomata.c (output_reserved_units_table): Emit nothing if
738 description->query_units_num is zero. Remove extra blank line.
739 (output_cpu_unit_reservation_p): Short circuit
740 if description->query_units_num is zero.
742 2006-01-22 Zack Weinberg <zackw@panix.com>
744 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
745 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
746 nor any of the random handful of variables that used to be necessary
747 when this program was linked with rtlanal.o. Prune set of forward
748 function declarations.
749 (struct attr_desc): Remove static_p field.
750 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
751 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
752 (attr_string): Do not read the character one past the length of
754 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
755 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
756 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
757 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
758 (make_automaton_attrs): New.
759 (main): Do not call into genautomata. Call local gen_bypass
760 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
761 Remove special case for insn_alts.
762 * genautomata.c: Include gensupport.h; not genattrtab.h nor
763 varray.h (leftover from previous change). Prune set of forward
764 function declarations. Remove state_alts fields from all
765 structures. Remove state_alts_table from struct automaton.
766 Make everything except main static. Do not maintain num_dfa_decls.
767 Do not maintain state_alts fields of various structures.
768 (process_decls): Don't validate condexp for dm_insn_reserv decls.
769 (add_arc): Remove state_alts argument. All callers updated.
770 (output_reserved_units_table): Emit #ifdef here...
771 (output_tables): ...not here. Don't generate state_alts tables.
772 (expand_automata): Don't generate attributes.
773 (write_automata): Don't generate state_alts functions.
774 (main): New function.
775 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
776 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
777 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
778 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
779 (BYPASS_P_FUNC_NAME, output_state_alts_table)
780 (output_automata_list_state_alts_code, output_internal_state_alts_func)
781 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
782 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
784 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
785 * genattrtab.h: Delete file.
786 * Makefile.in (OBJS-common): Add insn-automata.o.
787 (insn-automata.o): New rule.
788 (simple_generated_c): Add insn-automata.c.
789 (build/genattrtab.o, build/genautomata.o): Update dependencies.
790 (genprogmd): Add automata.
791 (build/genattrtab): Needs no extra objects nor libraries.
792 (build/genautomata): Needs build/vec.o and -lm.
794 2006-01-22 Zack Weinberg <zackw@panix.com>
796 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
797 (output_dfa_max_issue_rate, locked_states_num): Delete.
798 (struct automaton): Add locked_states field.
799 (output_dead_lock_vect): Save number of locked states in
800 automaton->locked_states. If it is zero, don't print anything.
801 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
802 (output_internal_dead_lock_func): Only test the dead_lock_vect
803 for automata that have locked states.
804 (output_statistics): Always print the number of locked states for
805 each automaton. Calculate total number of locked states here.
806 (write_automata): Don't call output_dfa_max_issue_rate.
807 * genattrtab.c: Define length_unit_log as a const variable.
808 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
809 max_insn_queue_index const.
810 * final.c (length_unit_log): Declare const.
811 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
813 2006-01-22 Zack Weinberg <zackw@panix.com>
815 * genautomata.c: Include vec.h, not varray.h.
816 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
817 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
818 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
819 VEC_* macros operating on appropriately typed vectors, or to
820 malloced arrays when the size is known in advance. Const-ify
821 many char* variables and function arguments. No functional changes.
822 * Makefile.in (build/varray.o): Delete rule.
823 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
824 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
826 2006-01-22 Zack Weinberg <zackw@panix.com>
828 * gensupport.c: Define get_insn_name and record_insn_name here.
829 (read_md_rtx): Call record_insn_name as appropriate.
830 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
831 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
832 * genpreds.c, genrecog.c: Don't define get_insn_name nor
834 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
835 (BUILD_VARRAY): Delete.
836 (genprognormal): Rename genprogmd. Fold in all programs from
837 genprognoprint; also attrtab.
838 (build/genattrtab): Just mention genautomata.o and varray.o.
839 Reorganize a bit, add comments to make the categories clearer.
841 2006-01-22 Zack Weinberg <zackw@panix.com>
843 * genconditions.c (condition_table, add_condition): Delete.
844 (write_conditions): Don't emit n_insn_conditions nor
845 insn_elision_unavailable. Issue the gcc version #ifdef here,
846 inside the table, with no #else clause ...
847 (write_header): ...not here.
848 (write_writer): New function.
849 (main): Don't initialize condition_table. Use add_c_test.
851 * gensupport.c (init_md_reader_args_cb): Handle multiple input
852 files on the command line.
853 (maybe_eval_c_test): Don't check insn_elision_unavailable.
854 Return -1 if there is no entry in the table, don't abort.
855 (add_c_test, traverse_c_tests): New functions.
856 * gensupport.h (insn_elision_unavailable, insn_conditions)
857 (n_insn_conditions): Delete declarations.
858 (add_c_test, traverse_c_tests): Declare.
859 * read-rtl.c: Include gensupport.h.
860 (read_conditions): New function.
861 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
862 (read_rtx_1): If we get EOF when we were looking for an initial
863 open paren, return 0. Call read_conditions when appropriate.
864 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
865 dummy-conditions.o. Eliminate references to insn-conditions.o,
866 or change them to build/gencondmd.o, as appropriate. Remove
867 insn-constants.h from $(simple_generated_h) and insn-conditions.c
868 from $(simple_generated_c). For all files remaining in those
869 two lists, add insn-conditions.md to the generator command line.
870 Give insn-constants.h/s-constants their own rules. Add rules
871 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
872 (build/read-rtl.o): Depend on gensupport.h.
873 (genprognormal): Include preds.
874 (genprogearly): Rename genprognoprint; only difference is now that
875 they don't link with $(BUILD_PRINT).
876 * dummy-conditions.c: Delete.
878 2006-01-22 Zack Weinberg <zackw@panix.com>
880 * genextract.c: Don't include insn-config.h. Do include vec.h.
881 Declare vectors of int, char, and locstr.
882 (locstr): New typedef.
883 (struct extraction): Make all array fields into bare pointers.
884 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
885 (insn_code_number): Delete.
886 (accum_extract): New struct.
887 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
888 (gen_insn): Take insn_code_number as an argument. Use an
889 accum_extract structure instead of loading data directly into
890 a struct extraction, and having to know how big it might get.
891 (walk_rtx): Operate entirely on an accum_extract structure.
892 (print_path): Avoid unnecessary use of printf.
893 (print_header): New function, split out of main. Distinguish
894 more carefully between an unrecognizable insn and an insn that
895 has the code number of a define_expand.
896 (main): Pass insn_code_number to gen_insn. Call print_header
897 only after parsing. Avoid unnecessary use of printf.
898 * Makefile.in (build/vec.o): New rule.
899 (build/genextract): Depend on build/vec.o.
900 (build/genextract.o): Don't depend on insn-config.h.
902 2006-01-22 Zack Weinberg <zackw@panix.com>
904 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
905 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
906 practical. Eliminate per-generator-program link rules.
908 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
911 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
912 with a call expr to ...
913 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
915 2006-01-23 Richard Guenther <rguenther@suse.de>
917 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
918 before make_edge with conditional EDGE_TRUE_VALUE.
920 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
921 Jan Hubicka <jh@suse.cz>
922 Richard Guenther <rguenther@suse.de>
924 PR rtl-optimization/25654
925 * cfgexpand.c (aggregate_contains_union_type): New function.
926 (add_alias_set_conflicts): Call it. Make sure to add conflicts
927 for structure variables that contain a union type.
929 2006-01-23 Richard Sandiford <richard@codesourcery.com>
931 * gengtype.c (new_structure): Return the structure.
932 (create_option): Add an extra "next" argument.
933 (create_field): New function.
934 (adjust_field_rtx_def): Use create_option and create_field.
935 Remove a now-unnecessary call to find_structure.
936 (adjust_field_tree_def): Likewise.
937 (note_yacc_type): Remove an unnecessary call to find_structure.
938 * gengtype.h (new_structure): Return the structure.
939 (create_option): Add an extra argument.
940 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
941 (option): Adjust calls to create_option.
943 2006-01-22 David Edelsohn <edelsohn@gnu.org>
945 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
947 2006-01-22 Paul Brook <paul@codesourcery.com>
948 Peter Barada <peter@the-baradas.com>
950 * config/m68k/m68k.md: Add Coldfire FPU support.
951 Define FP mode macro and associated attributes.
952 Use it for float mode patterns.
953 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
954 (LIBCALL_VALUE): Use m68k_libcall_value.
955 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
956 (m68k_function_value): Ditto.
957 (emit_move_sequence): Ditto.
958 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
959 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
960 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
961 (MULTILIB_EXCEPTIONS): Ditto.
962 * config/m68k/m68k.opt: Add mcfv4e.
963 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
964 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
965 (m68k_output_function_prologue): Save ColdFire FPU registers.
966 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
967 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
968 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
969 ColdFire FPU registers.
970 (m68k_libcall_value, m68k_function_value): New functions.
971 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
972 (LIBCALL_VALUE): Use m68k_libcall_value.
973 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
974 (MASK_COLDFIRE): Add MASK_CFV4E.
975 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
976 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
977 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
978 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
979 (GO_IF_LEGITIMATE_ADDRESS): Use it.
980 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
981 * doc/invoke.tex: Document -mcfv4e on m68k.
983 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
985 * doc/contribute.texi: Change CVS to SVN and update the corresponding
988 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
991 * c-opts.c (c_common_handle_option): Don't include
992 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
993 * doc/invoke.texi (C++ Dialect Options): Document that
994 -Wnon-virtual-dtor is no longer included in -Wall.
996 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
998 * gcov.c (print_version), gcov-dump.c (print_version),
999 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1002 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1004 * df-scan.c (problem_SCAN): Added NULL reset function.
1005 (df_scan_reset_blocks): Added code to call reset block function
1006 (df_bb_refs_delete) Fixed comment.
1007 (df_insn_refs_delete): Made tolerant of deleting non existent info
1008 for dataflow problems that need to be reset.
1009 * df-core.c (df_set_blocks): Ditto.
1010 * df.h (struct df_problem): Added reset_fun.
1011 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1012 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1013 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1014 functions to clear out all references to def-use or use-def chains.
1016 2006-01-21 Ben Elliston <bje@au.ibm.com>
1018 * varasm.c (assemble_real): Initialise data array.
1020 2006-01-20 Paul Brook <paul@codesourcery.com>
1022 Merge from csl-arm-branch.
1023 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1024 * config/arm/arm.md (movdi): Force operands[1] to a register
1025 if we have a non-register source.
1026 (*arm_movdi, *movdf_soft_insn): Require that one of the
1027 operands be a register.
1028 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1029 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1031 2006-01-20 DJ Delorie <dj@redhat.com>
1033 * varasm.c (initialize_constant_valid_p): Allow pointers
1034 initialized from integer constants of lesser precision.
1035 (output_constant): Allow non-int-sized pointer modes to be
1036 initialized from integer constants.
1038 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1041 * cppdefault.h (struct default_include): Add multilib flag.
1042 * cppdefault.c (cpp_include_defaults): Set it.
1043 * c.opt (-imultilib): New option.
1044 * c-opts.c (imultilib): New.
1045 (c_common_handle_option): Handle -imultilib.
1046 (c_common_post_options): Likewise.
1047 * c-incpath.c (add_standard_paths, register_include_chains):
1049 * c-incpath.h (register_include_chains): Add extra parameter.
1050 * gcc.c (do_spec_1): Generate -imultilib option.
1051 (The Specs Language): Update %I description.
1052 (process_command): Update copyright notice.
1053 * doc/cppopts.texi (-imultilib): Document.
1054 * doc/invoke.texi (-imultilib): Include in option summary.
1055 (%I): Update specs documentation.
1057 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1059 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1061 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1063 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1066 2006-01-20 Richard Guenther <rguenther@suse.de>
1067 Steven Bosscher <stevenb.gcc@gmail.com>
1069 PR rtl-optimization/24626
1070 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1071 EDGE_TRUE_VALUE if in RTL mode.
1074 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1075 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1077 2006-01-20 Dirk Mueller <dmueller@suse.com>
1080 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1081 instead of a special NOP marker.
1082 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1083 NOP marker handling.
1084 * c-common.h (empty_body_warning): Add forward declaration.
1085 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1086 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1088 2006-01-20 Paul Brook <paul@codesourcery.com>
1090 * Makefile.in (lang_checks): Keep going if mkdir fails.
1092 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1094 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1095 be able to clean out basic block when not necessary.
1096 (df_scan_free): Fixed to properly delete information if df is
1097 unused before calling df_finish.
1098 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1099 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1101 (df_bb_refs_delete): New function.
1102 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1103 * df-core.c (df_set_blocks): Added code to properly clean out
1104 unused blocks if they are not part of the blocks to consider.
1105 Added additional null check.
1106 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1107 be able to clean out basic block when not necessary
1108 * df.h (df_free_bb_function): Ditto.
1109 (df_bb_refs_delete): New function.
1110 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1111 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1112 basic block parameter to be able to clean out basic block when not
1114 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1115 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1116 Fixed to properly delete information if df is unused before
1119 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1121 PR rtl-optimization/25799
1122 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1123 Corrected confluence operator to remove bits from op2 before oring
1124 with op1 rather than removing bits from op1.
1125 (df_ru_transfer_function): Corrected test on wrong bitmap which
1126 caused infinite loop. Both of these problems were introduced in
1127 the dataflow rewrite.
1129 2006-01-19 DJ Delorie <dj@redhat.com>
1131 * reload1.c (find_reload_regs): Note the details of reload
1132 failures in the dump file.
1133 (spill_failure): Likewise.
1135 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1137 * loop-iv.c: Include df.h and hashtab.h.
1138 (enum iv_grd_result): New enum.
1139 (DF_REF_IV, DF_REF_IV_SET): New macros.
1140 (struct biv_entry): New.
1141 (df, bivs): New global variables.
1142 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1143 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1145 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1146 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1147 analyzed_for_bivness_p, record_biv): New functions.
1148 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1149 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1150 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1152 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1154 (iv_number_of_iterations): Use new interface to iv analysis.
1155 * loop-unroll.c: Do not include varray.h.
1156 (analyze_iv_to_split_insn): Use new interface to iv
1158 * loop-unswitch.c (may_unswitch_on): Ditto.
1159 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1161 (df_bb_modify): Realloc tables to the new index.
1162 (df_find_use): New function.
1163 * df.h (df_find_use): Declare.
1164 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1166 * cfgloop.h (struct rtx_iv): Remove analysed field.
1167 (iv_get_reaching_def): Removed.
1168 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1169 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1170 (loop-iv.o): Add df.h and hashtab.h dependency.
1171 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1173 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1175 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1177 (__floatundisf, __floatundidf): Likewise.
1178 * libgcc2.h (IS_IBM_EXTENDED): Define.
1180 2006-01-19 DJ Delorie <dj@redhat.com>
1182 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1184 2006-01-19 Paul Brook <paul@codesourcery.com>
1186 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1187 as nothrow when unwinding tables are disabled.
1189 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1192 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1193 of bit-field" when in system header.
1195 2006-01-19 DJ Delorie <dj@redhat.com>
1197 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1198 the 16 bit shift limit of the m16c.
1200 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1203 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1204 * config/i386/i386.c (output_set_got): Output the label if we have one
1205 for the TARGET_DEEP_BRANCH_PREDICTION case.
1207 2006-01-19 Jan Hubicka <jh@suse.cz>
1208 H.J. Lu <hongjiu.lu@intel.com>
1209 Evandro Menezes <evandro.menezes@amd.com>
1211 * invoke.texi (generic): Document
1213 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1214 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1215 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1216 (x86_use_incdec, x86_pad_returns): New variables
1217 (TARGET_CPU_DEFAULT_generic): New constant
1218 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1219 (enum processor_type): Add generic32 and generic64.
1220 * i386.md (cpu attribute): Add generic32/generic64
1221 (movhi splitter): Behave sanely when both partial_reg_dependency and
1222 partial_reg_stall are set.
1223 (K8 splitters): Enable for generic as well.
1224 * predicates.md (incdec_operand): Use TARGET_INCDEC
1225 (aligned_operand): Avoid memory mismatch stalls.
1226 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1227 * ppro.md: Enable for generic32
1228 * i386.c (generic64_cost, generic32_cost): New.
1229 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1230 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1231 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1232 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1233 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1234 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1235 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1236 x86_accumulate_outgoing_args, x86_prologue_using_move,
1237 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1238 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1240 (x86_use_incdec, x86_pad_returns): New.
1241 (override_options): Add generic32 and generic64, translate "generic"
1242 to generic32/generic64 and "i686" to "generic32", refuse
1243 "generic32"/"generic64" as arch target.
1244 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1245 (ix86_reorg): Honor PAD_RETURNS.
1247 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1249 * tree-pretty-print.c (dump_generic_node): Handle
1250 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1251 * cgraph.c (cgraph_expand_queue): Rename from
1252 cgraph_analyze_queue. Update all users.
1253 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1254 cgraph_expand_queue.
1255 (cgraph_expand_all_functions): Likewise.
1256 (cgraph_finalize_pending_functions): Remove. Update callers.
1258 * tree.h (OMP_DIRECTIVE_P): Define.
1259 (OMP_PARALLEL_FN): Define.
1260 (OMP_PARALLEL_DATA_ARG): Define.
1261 (OMP_SECTIONS_SECTIONS): Define.
1262 * tree-pass.h (pass_expand_omp): Declare.
1263 * omp-low.c (struct omp_region): Declare.
1264 (struct omp_context): Remove fields 'parallel_type',
1265 'parallel_start_ix' and 'parallel_start_additional_args'.
1267 (struct omp_for_data): Rename from struct expand_omp_for_data.
1268 (omp_regions): New static variable.
1269 (root_omp_region): New static variable.
1270 (find_omp_clause): Make static.
1271 (is_in_combined_parallel_ctx): Remove.
1272 (is_combined_parallel): New.
1273 (extract_omp_for_data): Move earlier in the file.
1274 (workshare_safe_to_combine_p): New.
1275 (get_ws_args_for): New.
1276 (determine_parallel_type): Move earlier in the file.
1277 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1279 (omp_copy_decl): Likewise.
1280 (create_omp_child_function): Likewise.
1281 (lookup_omp_region): New.
1282 (dump_omp_region): New.
1283 (debug_omp_region): New.
1284 (debug_all_omp_regions): New.
1285 (new_omp_region): New.
1286 (scan_omp_parallel): If parallel_nesting_level > 1, the
1287 directive is nested within another parallel directive.
1288 Set OMP_PARALLEL_FN.
1289 (scan_omp_for): Do not try to handle combined parallel+for
1291 Remove FIXME comment.
1292 (scan_omp_nested): Remove.
1293 (scan_omp_1): Do not call scan_omp_nested when
1294 parallel_nesting_level is > 1.
1295 Do not change the DECL_CONTEXT of local variables found.
1296 (lookup_decl_in_outer_ctx): New.
1297 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1298 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1299 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1300 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1301 If CTX is nested, lookup VAR in the outer context when
1302 building copy assignment.
1303 (lower_send_clauses): Rename from expand_send_clauses.
1304 If CTX is nested, lookup VAR in the outer context when
1305 building copy assignments.
1306 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1307 If CTX is nested, lookup VAR in the outer context when
1308 building copy assignments.
1309 (expand_parallel_call): Rename from build_parallel_call.
1310 Handle combined parallel+workshare cases.
1311 Re-implement to emit code into the CFG.
1313 (expand_omp_parallel): Re-implement to emit code into the CFG.
1314 Call move_sese_region_to_fn to outline the sub-graph
1315 containing the parallel region.
1316 (expand_omp_for_1): Remove.
1317 (expand_omp_for_generic): Re-implement to emit code into the
1319 (expand_omp_for_static_nochunk): Likewise.
1320 (expand_omp_for_static_chunk): Likewise.
1321 (expand_omp_for): Likewise.
1322 (expand_omp_sections): Likewise.
1323 (remove_exit_barriers): New.
1324 (expand_omp_synch): New.
1326 (build_omp_regions_1): New.
1327 (build_omp_regions): New.
1328 (execute_expand_omp): New.
1329 (gate_expand_omp): New.
1330 (pass_expand_omp): Define.
1331 (lower_omp_sections): Rename from expand_omp_sections.
1332 Set OMP_SECTIONS_SECTIONS.
1333 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1334 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1335 (lower_omp_single): Rename from expand_omp_simple.
1336 (lower_omp_master): Rename from expand_omp_master.
1337 (lower_omp_ordered): Rename from expand_omp_ordered.
1338 (lower_omp_critical): Rename from expand_omp_critical.
1339 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1340 (lower_omp_for): Re-implement.
1341 (lower_omp_parallel): Re-implement.
1342 (lower_regimplify): Rename from expand_regimplify.
1343 (lower_omp_1): Rename from expand_omp_1.
1344 If there are syntax errors in the program, replace every
1345 OpenMP directive with NOP.
1346 Call lower_omp_* instead of expand_omp_*.
1347 (lower_omp): Rename from expand_omp.
1349 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1350 * tree-gimple.h (enum omp_parallel_type): Remove.
1351 (gimple_boolify): Declare extern.
1352 (find_omp_clause, determine_parallel_type): Remove.
1354 * gimple-low.c (lower_omp_directive): New.
1355 (lower_stmt): Call it.
1356 (record_vars_into): Move from ...
1357 (record_vars): ... here.
1358 Call record_vars_into with current_function_decl.
1360 * gimplify.c (struct gimplify_ctx): Remove fields
1361 combined_pre_p and combined_ctxp. Update users.
1362 (get_formal_tmp_var): Add documentation.
1363 (gimple_boolify): Make extern.
1364 (gimplify_expr_in_ctx): Remove. Update callers.
1365 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1366 will always be a BIND_EXPR.
1367 (gimplify_expr): Handle OMP_RETURN_EXPR.
1368 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1369 (OMP_PARALLEL): Add 3 operands.
1370 (OMP_SECTIONS): Add 1 operand.
1371 (OMP_RETURN_EXPR): Define.
1373 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1374 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1375 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1376 creating a circular free list.
1377 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1379 * tree-flow.h (move_sese_region_to_fn): Declare.
1380 (record_vars_into): Declare.
1381 * tree-cfg.c (make_omp_sections_edges): New.
1382 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1383 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1384 OMP_SECTIONS and OMP_SECTION.
1385 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1386 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1387 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1388 (gather_blocks_in_sese_region): New.
1389 (struct move_stmt_d): Declare.
1391 (move_block_to_fn): New.
1392 (move_sese_region_to_fn): New.
1394 * passes.c (init_optimization_passes): Schedule
1395 pass_expand_omp after pass_init_datastructures.
1397 * tree-ssa-operands.c (get_expr_operands): Handle
1398 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1399 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1401 2006-01-19 Jeff Law <law@redhat.com>
1403 * tree-vrp.c (extract_range_from_assert): Refine the result range
1404 if the variable referenced by the ASSERT_EXPR has a range and
1405 either the tentative result range or the previous range is a
1408 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1410 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1412 2006-01-19 Jan Hubicka <jh@suse.cz>
1414 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1416 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1418 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1419 (expand_compound_operation, expand_field_assignment): Fail if the
1420 bit lengths of an extract operation are out of range.
1421 (make_extraction): Compute wanted_inner_mode based on the position
1422 and length of the extraction. Make it extraction_mode for non-constant
1423 positions, and do not modify offset in that case. When generating a
1424 new MEM, use a mode that can hold the extraction while keeping correct
1425 alignment. Remove code that supported MEMs wrapped by USEs.
1426 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1428 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1430 * config/s390/s390.md ("Y", "y"): New mode attribute.
1431 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1432 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1433 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1434 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1435 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1436 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1437 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1438 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1439 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1440 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1441 "addsi3", "subsi3"): Insn patterns removed.
1442 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1443 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1444 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1445 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1446 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1447 "*sub<mode>3_cconly2"): New insn patterns.
1448 ("addsi3", "subsi3"): New expanders.
1450 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1452 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1453 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1454 existing STMT_VINFO_VECTYPE if available.
1455 (vect_mark_relevant): Add special handling for stmts that are
1456 marked as STMT_VINFO_IN_PATTERN_P.
1457 (vect_analyze_loop): Call vect_pattern_recog.
1458 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1459 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1461 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1462 (vect_recog_func_ptr): New function-pointer type.
1463 * tree-vect-patterns.c: New file.
1464 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1465 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1466 (vect_pattern_recog_1): New functions.
1467 (vect_pattern_recog_funcs): New array of function pointers.
1469 * tree-vectorizer.h (ternary_op): New enum value.
1470 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1471 declaration. Revised documentation. Removed redundant dump prints.
1472 Removed redundant argument. Added support for reduction patterns.
1473 (vectorizable_reduction): Added support for reduction patterns.
1474 (vect_transform_stmt): Added support for patterns.
1476 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1477 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1478 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1479 (expand_widen_pattern_expr): New function.
1480 (init_optabs): Initialize new optabs udot_prod_optab,
1482 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1483 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1484 (expand_widen_pattern_expr): New function declaration.
1485 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1487 * tree-inline.c (estimate_num_insns_1): Added cases for new
1488 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1489 * tree-pretty-print.c (dump_generic_node): Likewise.
1490 (op_prio): Likewise.
1491 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1492 * tree-ssa-operands.c (get_expr_operands): Added case for
1494 * tree-vect-patterns.c (widened_name_p): New function.
1495 (vect_recog_dot_prod_pattern): Added function implementation.
1496 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1497 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1498 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1499 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1501 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1502 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1503 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1504 (init_optabs): Initialize new optabs widen_ssum_optab,
1506 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1507 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1508 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1509 use instead of type of def.
1510 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1511 function implementation.
1512 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1513 widen_ssumv8hi): New.
1515 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1518 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1521 * c-decl.c (add_flexible_array_elts_to_size): New function.
1522 (finish_decl): Use it.
1524 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1526 * diagnostic.h: Include options.h.
1527 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1528 dependancies for diagnostic.h.
1529 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1531 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1533 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1534 (ssa_ro_call_cache_valid): Ditto.
1535 * tree-ssa-alias.c (sort_tags_by_id): New function.
1536 (init_transitive_clobber_worklist): Ditto.
1537 (add_to_worklist): Ditto.
1538 (mark_aliases_call_clobbered): Ditto.
1539 (compute_tag_properties): Ditto.
1540 (set_initial_properties): Ditto.
1541 (compute_call_clobbered): Ditto.
1542 (compute_may_aliases): Call compute_call_clobbered and grouping.
1543 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1544 (compute_flow_insensitive_aliasing): Grouping now happens in our
1546 (setup_pointers_and_addressables): Remove clobbering related code.
1547 (add_may_alias): Ditto.
1548 (replace_may_alias): Ditto.
1549 (get_nmt_for): Ditto.
1550 (create_global_var):
1551 (is_escape_site): Return an escape_type enumeration.
1552 * tree-flow-inline.h (is_call_clobbered): Global var does not
1553 imply call clobbered.
1554 (mark_call_clobbered): Take a reason for marking this. Remove
1555 marking of globalness, and cache invalidation.
1556 (clear_call_clobbered): Remove cache invalidation code.
1557 * tree-dfa.c (dump_variable): If details is on, dump the reason
1559 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1561 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1562 (struct var_ann_d): Ditto.
1563 (enum escape_type): New.
1564 (mark_call_clobbered): Adjust prototype.
1565 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1566 are never call clobbered.
1567 Record reasons for escaping.
1568 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1569 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1570 (ssa_ro_call_cache_valid): Ditto.
1571 (clobbered_v_may_defs): Ditto.
1572 (clobbered_vuses): Ditto.
1573 (ro_call_vuses): Ditto.
1574 (clobber_stats): New.
1575 (init_ssa_operands): Zero out clobber stats.
1576 (fini_ssa_operands): Print out clobber stats.
1577 (get_call_expr_operands): Pass callee fndecl to
1579 (add_call_clobber_ops): Remove use of cache.
1580 Add use of PURE_CONST information.
1581 (add_call_read_ops): Remove use of cache.
1582 Add use of static not_read information.
1584 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1586 Introduce TLS descriptors for i386 and x86_64.
1587 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1588 (TARGET_ANY_GNU_TLS): New macro.
1589 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1590 (struct machine_function): Add tls_descriptor_call_expanded_p.
1591 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1592 (ix86_current_function_calls_tls_descriptor): Likewise.
1593 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1594 (override_options): Introduce gnu2 tls dialect.
1595 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1597 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1599 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1600 (ix86_init_machine_status): Initialize new field.
1601 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1602 (ix86_tls_module_base): New.
1603 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1604 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1605 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1606 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1607 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1608 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1609 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1610 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1611 * config/i386/predicates.md (tls_modbase_operand): New.
1612 (tp_or_register_operand): New.
1614 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1616 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1617 (look_for_address_of): Ditto.
1618 (ipa_init): Walk the function decls.
1619 (static_execute): Don't set readonly on FUNCTION_DECL's.
1621 2006-01-18 Roger Sayle <roger@eyesopen.com>
1623 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1624 for shifts where the source and destination registers are different.
1626 2006-01-18 Paul Brook <paul@codesourcery.com>
1628 Merge from csl-arm-branch.
1629 2005-03-14 Julian Brown <julian@codesourcery.com>
1630 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1631 (aeabi_llsl): Likewise.
1632 (ashrdi3): Likewise.
1633 (aeabi_lasr): Likewise.
1634 (lshrdi3): Likewise.
1635 (aeabi_llsr): Likewise.
1636 2005-03-10 Julian Brown <julian@codesourcery.com>
1637 * config.gcc: Disable shared libgcc for SymbianOS.
1638 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1640 2006-01-18 DJ Delorie <dj@redhat.com>
1642 * c-pragma.c (handle_pragma_diagnostic): New.
1643 (init_pragma): Register it.
1644 * doc/extend.texi: Document it.
1646 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1647 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1648 (diagnostic_context): Add classify_diagnostic[].
1649 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1650 as errors if they're overridden to DK_WARNING.
1651 (diagnostic_initialize): Initialize classify_diagnostic[].
1652 (diagnostic_set_kind_override): New.
1653 (diagnostic_report_diagnostic): Check for kind changes.
1654 * opts.c (common_handle_option): Take lang_mask. Update callers.
1656 * common.opt (Werror=): New.
1657 * doc/invoke.texi: Document -Werror=*
1659 2006-01-18 Jeff Law <law@redhat.com>
1661 * tree-vrp.c (test_for_singularity): Correct test for new
1662 min limit. Use operand_equal_p rather than pointer equality
1663 for testing if new min/max values are equal.
1665 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1666 using range information until after propagation and folding.
1668 2006-01-18 Richard Henderson <rth@redhat.com>
1669 Aldy Hernandez <aldyh@redhat.com>
1670 Jakub Jelinek <jakub@redhat.com>
1671 Diego Novillo <dnovillo@redhat.com>
1673 * omp-low.c: New file.
1674 * c-omp.c: New file.
1676 2006-01-18 Richard Henderson <rth@redhat.com>
1677 Jakub Jelinek <jakub@redhat.com>
1678 Diego Novillo <dnovillo@redhat.com>
1680 * doc/invoke.texi: Document -fopenmp.
1681 * tree-dump.h (debug_function): Declare.
1682 * hooks.c (hook_bool_tree_bool_false): New function.
1683 (hook_tree_tree_null): Remove.
1684 (hook_tree_tree_tree_null): New.
1685 * hooks.h: Update to match.
1686 * tree-pretty-print.c (debug_tree_chain): New.
1687 (print_generic_expr): Handle TDF_CHAIN.
1688 (dump_generic_node): Handle BLOCK.
1689 Do not abort with incomplete SWITCH_EXPRs.
1690 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1691 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1692 print space after directive name.
1693 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1694 Handle OMP_MASTER and OMP_ORDERED.
1695 Handle printing of OMP_BODY just in one place, goto
1696 dump_omp_body in the rest of OMP_* nodes that have
1698 Don't handle clause nodes here. Update omp statements to
1699 use dump_omp_clauses.
1700 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1701 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1702 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1703 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1704 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1705 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1706 Adjust output for GOMP_PARALLEL.
1707 (dump_omp_clauses): New.
1708 (print_declaration): Dump DECL_VALUE_EXPR.
1709 (op_symbol_1): Split out of op_symbol.
1710 (dumping_stmts): Remove. Update all users.
1711 * cgraph.c (cgraph_analyze_queue): New.
1712 (cgraph_add_new_function): New.
1713 * cgraph.h (cgraph_analyze_queue): Declare.
1714 (cgraph_add_new_function): Declare.
1715 (cgraph_lower_function): Remove.
1716 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1717 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1718 and TYPE_P nodes in its default clause.
1719 (empty_body_p): New.
1720 (tree_range_check_failed): New.
1722 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1723 OMP_CLAUSE_REDUCTION_MERGE,
1724 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1725 OMP_CLAUSE_PRIVATE_DEBUG,
1726 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1727 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1728 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1729 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1730 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1731 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1732 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1733 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1734 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1735 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1736 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1737 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1738 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1739 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1740 (TREE_RANGE_CHECK): New.
1741 (empty_body_p): Declare.
1742 (enum omp_clause_default_kind): New.
1743 (build_string_literal): Declare.
1744 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1745 (build5_stat, build5): Declare.
1746 * tree-pass.h (TDF_CHAIN): Define.
1747 * tree-pass.h (PROP_gimple_lomp): Define.
1748 (pass_lower_omp): Declare.
1749 * diagnostic.h (debug_tree_chain): Declare.
1750 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1752 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1753 * builtins.c (build_string_literal): Make extern.
1754 * gcc.c (include_spec_function): New.
1755 (static_spec_functions): Add it.
1756 (main): Move load of libgomp.spec ...
1757 (LINK_COMMAND_SPEC): ... here.
1758 (link_gomp_spec): New.
1759 (static_specs): Include it.
1760 (LINK_COMMAND_SPEC): Add link_gomp.
1761 (GOMP_SELF_SPECS): New.
1762 (driver_self_specs): Include it.
1763 (switch_matches): Don't mark inline.
1764 (main): Load libgomp.spec.
1765 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1766 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1767 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1768 * tree-gimple.h (enum omp_parallel): Declare.
1769 (determine_parallel_type): Declare.
1770 (omp_firstprivatize_variable): Declare.
1771 (omp_reduction_init): Declare.
1772 (diagnose_omp_structured_block_errors): Declare.
1773 (struct walk_stmt_info): Add want_return_expr.
1774 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1775 (find_omp_clause): Declare.
1776 (insert_field_into_struct): Declare.
1777 (struct walk_stmt_info): Move from tree-nested.c
1778 (walk_stmts): Declare.
1779 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1781 * cgraphunit.c (cgraph_lower_function): Make static.
1782 (cgraph_finalize_pending_functions): New.
1783 (cgraph_finalize_function): Call it.
1784 (cgraph_finalize_compilation_unit): Likewise.
1785 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1786 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1787 (BT_FN_UINT_UINT): New.
1788 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1789 DEF_FUNCTION_TYPE_VAR_4): Document.
1790 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1791 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1792 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1793 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1794 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1795 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1796 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1797 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1798 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1799 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1800 into separate files.
1801 (DEF_GOMP_BUILTIN): New.
1802 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1803 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1804 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1805 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1806 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1807 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1808 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1809 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1810 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1811 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1812 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1813 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1814 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1815 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1816 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1817 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1818 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1819 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1820 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1821 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1822 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1823 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1824 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1825 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1826 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1827 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1828 * sync-builtins.def: New file, moved from builtins.def.
1829 * omp-builtins.def: New file, moved from builtins.def.
1830 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1831 * gimple-low.c (lower_function_body): Clear data.
1832 (lower_stmt): Do not handle COMPOUND_EXPR.
1833 Remove call to print_node_brief.
1834 * c-tree.h (c_finish_omp_clauses): New prototype.
1835 (C_DECL_THREADPRIVATE_P): Define.
1836 (lookup_name_no_remap, c_omp_remap_private): Remove
1837 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1838 (check_for_loop_decls): Update decl.
1839 (lookup_name_no_remap, c_omp_remap_private): Declare.
1840 (build_indirect_ref, build_modify_expr, pushdecl,
1841 pushdecl_top_level): Move to c-common.h.
1842 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1843 before the switch, but just in the 2 places that need it.
1844 * c-decl.c (diagnose_mismatched_decls): Do not check for
1845 mismatched thread-local attributes when OLDDECL is marked
1846 threadprivate and NEWDECL has no thread-local attributes.
1847 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1848 (c_gimple_diagnostics_recursively): Rename from
1849 c_warn_unused_result_recursively. Invoke
1850 diagnose_omp_structured_block_errors.
1851 (check_for_loop_decls): Return a singular decl found.
1852 * langhooks.c (lhd_omp_predetermined_sharing): Return
1853 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1854 (lhd_omp_firstprivatize_type_sizes): New.
1855 (lhd_omp_assignment): New.
1856 (lhd_omp_predetermined_sharing): New.
1857 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1858 (struct lang_hooks_for_types): Add
1859 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1860 omp_predetermined_sharing, omp_disregard_value_expr,
1861 omp_private_debug_clause, omp_clause_default_ctor,
1862 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1863 (c_finish_omp_clauses): New.
1864 (c_finish_bc_stmt): Diagnose break within omp for.
1865 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1866 (build_unary_op): Return error_mark after reporting
1868 (build_modify_expr): Likewise.
1869 * gimplify.c: Include optabs.h and pointer-set.h.
1870 (enum gimplify_omp_var_data): Declare.
1871 (struct gimplify_omp_ctx): Declare.
1872 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1874 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1875 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1876 (splay_tree_compare_decl_uid): New.
1877 (new_omp_context): New.
1878 (delete_omp_context): New.
1879 (gimple_add_tmp_var): Call omp_add_variable.
1880 (gimplify_bind_expr): Likewise.
1881 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1882 true, disregard DECL_VALUE_EXPR on the decl if any.
1883 (gimplify_expr_in_ctx): New.
1884 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1885 omp_add_variable, omp_notice_variable, omp_is_private
1886 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1887 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1888 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1889 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1890 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1891 gimplify_omp_atomic): New.
1892 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1893 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1894 OMP_CRITICAL and OMP_ATOMIC.
1895 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1896 * c-pragma.h (enum pragma_kind): Add
1897 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1898 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1899 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1900 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1901 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1902 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1903 PRAGMA_OMP_THREADPRIVATE.
1904 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1905 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1906 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1907 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1908 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1909 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1910 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1911 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1912 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1913 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1914 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1915 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1916 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1918 (struct nesting_info): Add field_map,
1919 suppress_expansion, debug_var_chain.
1920 (create_nesting_tree): Initialize them.
1921 (lookup_field_for_decl): Use field_map.
1922 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1923 (convert_local_omp_clauses): New.
1924 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1925 (walk_body): Split out of walk_function.
1926 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1927 (convert_nonlocal_reference): Handle omp statements.
1928 (convert_local_reference): Likewise.
1929 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1930 (unnest_nesting_tree): New.
1931 (lower_nested_functions): Call it.
1932 (insert_field_into_struct): Make extern.
1933 (struct walk_stmt_info): Move to tree-gimple.h.
1934 (walk_stmts): Make extern.
1935 * omp-builtins.def: New file.
1936 * tree-iterator.c (expr_only): Clarify comment.
1937 * c-common.h (pushdecl_top_level, pushdecl,
1938 build_modify_expr, build_indirect_ref,
1939 c_finish_omp_master, c_finish_omp_critical,
1940 c_finish_omp_ordered, c_finish_omp_barrier,
1941 c_finish_omp_atomic, c_finish_omp_flush,
1942 c_finish_omp_for, c_split_parallel_clauses,
1943 omp_clause_default_kind, c_omp_sharing_predetermined,
1944 c_omp_remap_decl): Declare.
1945 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1946 (OBJS-common): Add omp-low.o.
1947 (c-omp.o, omp-low.o): Add.
1948 (gimplify.o): Add dependency on $(OPTABS_H).
1949 (GTFILES): Add omp-low.c.
1950 (gt-stringpool.h): Add.
1951 * tree-cfg.c (set_bb_for_stmt): Do not update the
1952 block-to-labels map if we are currently expanding to RTL.
1953 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1955 Handle IDENTIFIER_NODE.
1956 (tree_verify_flow_info): Do not ICE when emitting error
1957 messages about invalid labels.
1958 (dump_function_to_file): Reset CFUN before emitting the body
1960 (debug_function): New.
1961 * passes.c (init_optimization_passes): Schedule
1963 * langhooks-def.h (lhd_omp_predetermined_sharing,
1964 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1966 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1967 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1968 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1969 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1970 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1971 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1972 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1973 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1974 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1975 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1976 (LANG_HOOK_DECLS): Use them.
1978 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1979 Richard Henderson <rth@redhat.com>
1980 Jakub Jelinek <jakub@redhat.com>
1981 Diego Novillo <dnovillo@redhat.com>
1983 * c-parser.c (pragma_omp_clause): Define.
1984 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1985 (c_parser_compound_statement): Likewise.
1986 (c_parser_statement): Likewise.
1987 (c_parser_pragma): Handle omp pragmas.
1988 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1989 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1990 (c_parser_omp_clause_name, check_no_duplicate_clause,
1991 c_parser_omp_variable_list,
1992 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1993 c_parser_omp_clause_copyprivate,
1994 c_parser_omp_clause_default,
1995 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1996 c_parser_omp_clause_lastprivate,
1997 c_parser_omp_clause_nowait,
1998 c_parser_omp_clause_num_threads,
1999 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2000 c_parser_omp_clause_reduction,
2001 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2002 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2003 c_parser_omp_atomic, c_parser_omp_barrier,
2004 c_parser_omp_critical, c_parser_omp_flush,
2005 c_parser_omp_for_loop, c_parser_omp_for,
2006 c_parser_omp_master, c_parser_omp_ordered,
2007 c_parser_omp_sections_scope, c_parser_omp_sections,
2008 c_parser_omp_parallel, c_parser_omp_single,
2009 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2010 * c-pragma.c (init_pragma): Do omp pragma registration here.
2011 * c.opt (fopenmp): New flag.
2013 2006-01-18 Eric Christopher <echristo@apple.com>
2015 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2016 * config/darwin.h (GOMP_SELF_SPECS): Define.
2018 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2020 * rtl.h: Remove the prototype for reg_alloc.
2022 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2025 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2026 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2027 sjlj and dwarf2 exception handling.
2028 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2029 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2030 * pa/pa.c (function_value): Treat complex and vector types as
2032 (function_arg): Likewise. Only pass scalar floats in the floating
2033 point argument registers.
2034 * pa/t-slibgcc-dwarf-ver: New file.
2035 * pa/t-slibgcc-sjlj-ver: New file.
2036 * pa/t-slibgcc-elf-ver: Delete file.
2038 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2040 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2041 unlikely_test_section_p test.
2043 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2045 * mode-switching.c (optimize_mode_switching): Make it static.
2046 * basic-block.h: Remove the prototype for
2047 optimize_mode_switching.
2049 * modulo-sched.c (sms_schedule): Make it static.
2050 * rtl.h: Remove the prototype for sms_schedule.
2052 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2053 * rtl.h: Remove the prototype for gcse_after_reload_main.
2055 * reg-stack.c (reg_to_stack): Make it static.
2056 * rtl.h: Remove the prototype for reg_to_stack.
2058 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2060 * rtl.h: Remove the prototypes for regrename_optimize and
2061 copyprop_hardreg_forward.
2063 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2065 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2066 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2067 Test against the appropriate null constant for the mode.
2068 If 'fixup_overlap' is true, swap the operands if they overlap.
2069 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2070 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2071 alpha_split_tmode_pair and adjust for above change.
2072 * config/alpha/alpha.md (movtf_internal): Adjust call to
2073 alpha_split_tfmode_pair and rely on it to swap the operands.
2074 (movti_internal): New insn and post-reload splitter.
2075 (movti): New expander.
2077 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2079 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2082 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2084 * rtlanal.c (global_reg_mentioned_p_1,
2085 global_reg_mentioned_p): Remove.
2086 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2088 * flow.c (initialize_uninitialized_subregs): Make it static.
2089 * rtl.h: Remove the prototype for
2090 initialize_uninitialized_subregs.
2092 * function.c (instantiate_virtual_regs): Make it static.
2093 * function.h: Remove the prototype for
2094 instantiate_virtual_regs.
2096 * regmove.c (regmove_optimize, combine_stack_adjustments):
2098 * rtl.h: Remove the prototypes for regmove_optimize and
2099 combine_stack_adjustments.
2101 2006-01-17 Roger Sayle <roger@eyesopen.com>
2103 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2104 (size_cost): Encode costs in bytes so that a reg-reg addition is
2105 equivalent to COSTS_N_INSNS(1).
2106 (override_options): Use the size_cost.branch_cost as the default
2107 ix86_branch_cost when optimizing for size.
2109 2006-01-18 Ben Elliston <bje@au.ibm.com>
2111 * Makefile.in (D32PBIT_FUNCS): New.
2112 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2113 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2114 D64PBIT_FUNCS and D128PBIT_FUNCS.
2115 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2116 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2118 (decnumber_dep): Define.
2119 * doc/libgcc.texi (Decimal float library routines): New node.
2120 * config/dfp-bit.h, config/dfp-bit.c: New files.
2122 2006-01-18 Ben Elliston <bje@au.ibm.com>
2124 * expr.c (emit_move_change_mode): Always adjust addresses, not
2125 just during reload. Copy replacements only during reload.
2126 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2127 emit_move_via_integer.
2129 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2131 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2132 instead of $(srcdir) and ${srcdir}.
2134 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2138 * arm.h (struct machine_function): Add pic_reg.
2139 * arm.c (arm_pic_register): Make unsigned.
2140 (arm_override_options): Only set arm_pic_register if
2141 TARGET_SINGLE_PIC_BASE.
2142 (use_return_insn): Only test for a pic register if it is fixed.
2143 (arm_compute_save_reg0_reg12_mask): Likewise.
2144 (thumb_compute_save_reg_mask): Likewise.
2145 (legitimate_pic_operand): Factor out some known invariants.
2146 (legitimize_pic_address): If we don't have a fixed pic register,
2147 then set up a pseudo in the function entry sequence. Handle the
2148 pic base being in a pseudo.
2149 (arm_load_pic_register): Handle the pic register being in a pseudo.
2150 (arm_expand_prologue): Only set up the pic register if it is fixed.
2151 (thumb_expand_prologue): Likewise.
2152 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2153 (pic_load_addr_based_insn): Likewise.
2154 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2157 2006-01-18 Ben Elliston <bje@au.ibm.com>
2159 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2160 decimal float modes for all floating point registers.
2162 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2163 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2165 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2168 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2169 even when the pointer is not NULL.
2171 2006-01-16 Ian Lance Taylor <ian@airs.com>
2173 * common.opt (ftoplevel-reorder): New option.
2174 * cgraph.c (cgraph_asm_nodes): New global variable.
2175 (cgraph_asm_last_node): New static variable.
2176 (cgraph_order): New global variable.
2177 (cgraph_create_node): Set new order field.
2178 (cgraph_varpool_node): Likewise.
2179 (decide_is_variable_needed): Return true if not
2180 flag_toplevel_reorder.
2181 (cgraph_add_asm_node): New function.
2182 * cgraph.h (struct cgraph_node): Add order field.
2183 (struct cgraph_varpool_node): Add order field.
2184 (struct cgraph_asm_node): Define.
2185 (cgraph_asm_nodes, cgraph_order): Declare.
2186 (cgraph_add_asm_node): Declare.
2187 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2189 (cgraph_varpool_assemble_pending_decls): Call it.
2190 (cgraph_output_pending_asms): New static function.
2191 (cgraph_finalize_compilation_unit): Call it.
2192 (struct cgraph_order_sort): Define.
2193 (cgraph_output_in_order): New static function.
2194 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2195 !flag_toplevel_reorder case.
2196 * c-parser.c: Include "cgraph.h".
2197 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2199 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2200 than -fno-unit-at-a-time.
2201 * doc/invoke.texi (Option Summary): Mention
2202 -fno-toplevel-reorder.
2203 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2204 -funit-at-a-time documentation.
2206 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2207 Kazu Hirata <kazu@codesourcery.com>
2209 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2211 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2213 * Makefile.in (FUNCTION_H): New. Use it instead of
2214 function.h throughout the file.
2215 * function.h: Include tree.h.
2217 2006-01-17 Ben Elliston <bje@au.ibm.com>
2219 * recog.c: Separate some functions with whitespace.
2221 2006-01-16 Richard Henderson <rth@redhat.com>
2223 Merge from gomp branch:
2224 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2225 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2226 and rename from struct inline_data. Rename callee* to dst*;
2227 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2228 transform_new_cfg, transform_return_to_modify, and
2229 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2231 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2232 (copy_decl_for_dup): Remove.
2233 * tree-inline.c (struct inline_data): Move to header.
2234 (insert_decl_map): Export.
2235 (remap_decl): Update for member name changes. Use copy_decl hook.
2236 Allow for replacement to be a non-decl. Remove dead code.
2237 (remap_type_1): Check for existing mapping.
2238 (remap_type): Export.
2239 (remap_decls): Update for member name changes.
2240 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2241 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2242 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2243 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2244 (tree_function_versioning, build_duplicate_type): Likewise.
2245 (copy_body_r): Likewise. Export.
2246 (copy_decl_for_dup): Split into ...
2247 (copy_decl_for_dup_finish, copy_decl_to_var,
2248 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2249 (replace_ref_tree, inlining_p): Remove.
2251 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2253 * ifcvt.c (if_convert): Make it static.
2254 * rtl.h: Remove the prototype for if_convert.
2256 * local-alloc.c (local_alloc): Make it static.
2257 * rtl.h: Remove the prototype for local_alloc.
2259 * loop.c (loop_optimize): Make it static.
2260 * cfgloop.h: Remove the prototype for loop_optimize.
2263 2006-01-16 DJ Delorie <dj@redhat.com>
2265 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2268 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2270 * pa.md: Disparage copies between general and floating-point registers
2271 in 32-bit move patterns.
2273 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2276 * Makefile.in (check-%): Depend on site.exp instead of
2277 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2280 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2282 * global.c (global_alloc): Make it static.
2283 * rtl.h: Remove the prototype for global_alloc.
2285 2006-01-16 Richard Guenther <rguenther@suse.de>
2287 * tree-ssa-alias.c (struct used_part): Add write_only field.
2288 (get_or_create_used_part_for): Initialize it to true.
2289 (create_overlap_variables_for): Don't create structure variables
2290 for structures that only are written to.
2291 (find_used_portions): Handle MODIFY_EXPR to track whether a
2292 structure is only written to.
2294 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2296 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2298 * basic-block.h: Remove the prototype for
2299 partition_hot_cold_basic_blocks.
2301 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2303 * cppspec.c (lang_specific_spec_functions): Remove.
2304 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2305 * gcc.h (lang_specific_spec_functions): Remove.
2306 * gccspec.c (lang_specific_spec_functions): Remove.
2308 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2310 * combine.c (record_value_for_reg): Invalidate registers
2312 (record_dead_and_set_regs_1): Likewise, by passing them to
2313 record_value_for_reg.
2314 (record_dead_and_set_regs): Invalidate stores made by a
2315 call. We do not combine across a call, but we still
2316 relied on equivalences.
2318 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2320 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2321 vrp_int_const_binop returning non-constant nodes.
2323 2006-01-16 Paul Brook <paul@codesourcery.com>
2325 * config/m68k/m68k.c (output_move_const_into_data_reg):
2326 Output correct mnemonic for mvz and mvs.
2328 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2330 * rtl-factoring.c: Add sequence abstraction algorithm.
2331 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2332 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2334 (block_has_preserve_label): New function.
2335 * common.opt: Register new pass.
2336 * Makefile.in: Ditto.
2338 * timevar.def: Ditto.
2339 * tree-pass.h: Ditto.
2340 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2341 * rtl.h (make_jump_insn_raw): Add forward decl.
2342 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2344 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2345 Roger Sayle <roger@eyesopen.com>
2347 * fold-const.c (fold_minmax): New static function.
2348 (fold_binary) <MIN_EXPR>: Call it.
2349 <MAX_EXPR>: Likewise.
2350 * stor-layout.c (place_field): Use DECL_SIZE consistently
2351 in the computation of the new record size.
2353 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2355 * cse.c (cse_condition_code_reg): Make it static.
2356 * rtl.h: Remove the prototype for cse_condition_code_reg.
2358 * combine.c (combine_instructions): Make it static.
2359 * rtl.h: Remove the prototype for combine_instructions.
2361 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2364 * tree.c (get_file_function_name_long): Concatenate the first global
2365 object name with a string derived from the input filename of the object
2368 2006-01-16 Ben Elliston <bje@au.ibm.com>
2370 * config/i386/winnt-stubs.c: Update FSF address.
2371 * config/xtensa/ieee754-df.S: Ditto.
2372 * config/xtensa/ieee754-sf.S: Ditto.
2374 2006-01-14 Ian Lance Taylor <ian@airs.com>
2376 * ifcvt.c (noce_init_if_info): New static function, broken out of
2377 noce_process_if_block.
2378 (noce_process_if_block): Call noce_init_if_info.
2379 (check_cond_move_block): New static function.
2380 (cond_move_process_if_block): New static function.
2381 (process_if_block): Call cond_move_process_if_block.
2383 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2385 * cselib.c (hash_table): Rename to cselib_hash_table.
2386 (cselib_clear_table, discard_useless_values,
2387 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2388 cselib_init, cselib_finish): Adjust uses of hash_table.
2390 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2392 PR tree-optimization/25485
2393 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2394 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2395 is known to be false and true, respectively.
2397 2006-01-14 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/22548
2400 PR tree-optimization/22555
2401 PR tree-optimization/22501
2402 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2403 * params.def (salias-max-array-elements): New parameter.
2404 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2405 * doc/invoke.texi (salias-max-array-elements): Document.
2406 * tree-flow-inline.h (var_can_have_subvars): We also handle
2408 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2410 * tree-ssa-structalias.c (params.h): Include.
2411 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2412 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2413 (get_constraint_for): For ADDR_EXPR operating on something
2414 containing an ARRAY_REF, add all subvars to the solution.
2415 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2416 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2417 for creating MUST_DEFs.
2418 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2420 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2422 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2424 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2425 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2426 number_of_iterations_le): New functions.
2427 (number_of_iterations_special): Removed.
2428 (number_of_iterations_exit): Do not use number_of_iterations_special.
2429 * tree.c (unsigned_type_for): Always return integer type.
2431 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2432 Richard Guenther <rguenther@suse.de>
2434 PR rtl-optimization/24257
2435 * gcse.c (find_moveable_store): Only consider a store movable
2436 when the SET_SRC of the insn can be assigned to a register.
2438 2006-01-14 Ian Lance Taylor <ian@airs.com>
2440 * tree.c (tree_not_class_check_failed): New function.
2441 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2442 (tree_not_class_check_failed): Declare.
2444 2006-01-13 Ian Lance Taylor <ian@airs.com>
2446 * reload1.c (do_output_reload): Add assertion rejecting a
2449 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2451 * combine.c (struct reg_stat): Add new fields truncation_label and
2453 (record_value_for_reg): Reset truncated_to_mode.
2454 (record_truncated_value): New function.
2455 (check_promoted_subreg): Call it. Rename to check_conversions.
2456 (combine_instructions): Rename check_promoted_subreg to
2458 (reg_truncated_to_mode): New function.
2459 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2460 (gen_lowpart_or_truncate): New function.
2461 (force_to_mode): Use it instead of gen_lowpart.
2463 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2465 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2466 VAR is a tag, not its type tag.
2468 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2470 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2471 alternatives to match style of other entries.
2472 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2474 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2476 PR tree-optimization/25771
2477 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2480 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2483 * tree-inline.c (declare_return_variable): If the return variable
2484 was marked as a non gimple complex, set the return slot variable
2485 to be a non gimple comple variable.
2487 2006-01-13 Richard Guenther <rguenther@suse.de>
2489 * builtins.c (expand_builtin_sincos): New function.
2490 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2492 (expand_builtin): Expand sincos using expand_builtin_sincos.
2494 2006-01-12 DJ Delorie <dj@redhat.com>
2496 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2497 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2498 so that constant shifts can be split.
2499 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2500 (m32c_valid_pointer_mode): Make static.
2501 (shift_gen_func_for): New.
2502 (m32c_prepare_shift): Use it. Split large const shifts into
2504 * config/m32c/predicates.md (shiftcount_operand): Allow more
2506 (longshiftcount_operand): New.
2507 * doc/md.texi (Machine Constraints): Document In6.
2509 2006-01-13 Ben Elliston <bje@au.ibm.com>
2511 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2512 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2515 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2517 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2518 to try to avoid clobbering pieces of structures when we know
2519 something about the whole structure.
2520 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2522 2006-01-13 Ben Elliston <bje@au.ibm.com>
2524 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2525 return in memory, as this is no limitation is no longer present.
2527 2006-01-12 DJ Delorie <dj@redhat.com>
2529 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2530 mova with fb, and for fb+0 -> An.
2532 * config/m32c/mov.md (peephole2): Fix enabling logic.
2534 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2535 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2536 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2537 FINI_ARRAY_SECTION_ASM_OP): Define.
2539 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2541 (m32c_legitimize_reload_address): New logic to reload FB to An.
2542 (m32c_output_reg_push): Add newline.
2543 (m32c_output_reg_pop): Likewise.
2545 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2547 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2549 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2551 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2553 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2555 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2558 2006-01-11 Ben Elliston <bje@au.ibm.com>
2560 * rtlanal.c (find_reg_note): Assert insn is not null.
2562 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2564 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2567 2006-01-11 Jeff Law <law@redhat.com>
2569 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2571 (mark_threaded_blocks, register_jump_thread): New functions.
2572 (thread_through_all_blocks): Remove unwanted argument. No
2573 longer rely on e->aux to communicate thread target info.
2574 Call mark_threaded_blocks. Release the threaded_blocks
2575 bitmap and threaded_edges vector when complete.
2576 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2577 (threaded_blocks): Remove.
2578 (tree_ssa_dominator_optimize): Remove initialization and
2579 finalization of threaded_blocks. Simplify call to
2580 thread_through_all_blocks.
2581 (thread_across_edge): Call register_jump_thread rather than
2582 storing thread information into e->aux.
2583 (free_all_edge_infos): Simplify now that e->aux is no longer
2584 used to communicate with thread_through_all_blocks.
2585 * tree-flow.h (thread_through_all_blocks): Update prototype.
2586 (register_jump_thread): Prototype.
2588 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2590 * df-core.c (df_compact_blocks, df_bb_replace): Use
2591 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2593 2006-01-11 Richard Guenther <rguenther@suse.de>
2595 PR tree-optimization/25734
2596 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2597 stop propagation after successful propagation to the LHS.
2599 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2601 * basic-block.h (control_flow_graph): Change the type of
2602 x_basic_block_info to VEC(basic_block,gc) *.
2603 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2605 (SET_BASIC_BLOCK): New.
2606 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2607 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2608 * cfgbuild.c (find_basic_blocks): Likewise.
2609 * cfglayout.c (fixup_reorder_chain): Likewise.
2610 * cfgrtl.c (create_basic_block_structure,
2611 rtl_create_basic_block): Likewise.
2612 * ifcvt.c (find_if_case_1): Likewise.
2613 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2616 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2618 * Makefile.in: Removed rotted odf.c entry.
2620 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2623 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2624 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2625 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2626 output pattern modifier, not %e.
2627 * config/cris/cris.c (cris_op_str): Update comment about pattern
2629 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2630 before falling through into...
2631 <case 'E'>: Redefined from old 'e' case.
2633 2006-01-11 Jan Hubicka <jh@suse.cz>
2636 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2638 2006-01-11 Jan Hubicka <jh@suse.cz>
2640 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2641 * i386.c (x86_decompose_lea): Kill.
2642 (ix86_rtx_costs): Kill.
2644 2006-01-11 Jan Hubicka <jh@suse.cz>
2646 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2647 * cgraph.h (cgraph_node): Add inline_decl.
2648 (cgraph_insert_node_to_hashtable): Declare.
2649 (save_inline_function_body): Declare.
2650 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2652 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2653 (cgraph_function_versioning): Update call of tree_function_versioning.
2654 (save_inline_function_body): New function.
2655 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2656 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2657 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2658 (cgraph_default_inline_p): Likewise.
2659 (cgraph_decide_inlining_incrementally): Likewise.
2660 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2661 (copy_bb): Kill saving; do updating of clones.
2662 (copy_cfg_body): Kill saving.
2663 (initialize_inlined-parameters): Likewise.
2664 (expand_call_inline): Likewise.
2666 (tree_function_versioning): New parameter "update_clones".
2667 (inlining_p): Kill saving.
2668 * tree-inline.h (tree_function_versioning): Update prototype.
2669 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2672 2006-01-11 Ian Lance Taylor <ian@airs.com>
2674 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2675 Allow undoing set of machine mode.
2676 (do_SUBST): Use enums instead of is_int.
2677 (do_SUBST_MODE): New function.
2678 (SUBST_MODE): New macro.
2679 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2680 reg and trying to replace reg_regno_rtx with a new register.
2681 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2682 (simplify_set): Use SUBST_MODE.
2683 (distribute_notes): Remove code that tried to update reg notes
2684 for regno_reg_rtx changes.
2686 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2688 PR tree-optimization/23109
2689 PR tree-optimization/23948
2690 PR tree-optimization/24123
2692 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2693 * tree-cfg.c (single_noncomplex_succ): New.
2694 * tree-flow.h (single_noncomplex_succ): Declare it.
2695 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2696 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2697 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2698 insert_bb, register_division_in, insert_reciprocals,
2699 replace_reciprocal, free_bb): New.
2700 (execute_cse_reciprocals_1): Rewritten.
2701 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2702 Do not commit any edge insertion. Always compute dominators and
2703 create the allocation pool.
2704 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2705 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2706 * targhooks.c (default_min_divistions_for_recip_mul): New.
2707 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2708 * passes.c (init_optimization_passes): Run recip after tree loop
2710 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2712 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2713 Kenneth Zadeck <zadeck@naturalbridge.com>
2715 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2716 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2717 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2718 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2719 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2720 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2721 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2722 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2723 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2724 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2725 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2726 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2727 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2728 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2729 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2730 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2731 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2732 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2733 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2734 DF_SCAN_POST_ALLOC): New macros.
2735 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2736 df_free_bb_function, df_local_compute_function, df_init_function,
2737 df_dataflow_function, df_confluence_function_0,
2738 df_confluence_function_n, df_transfer_function,
2739 df_finalizer_function, df_free_function, df_dump_problem_function,
2740 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2741 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2742 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2743 df_urec_bb_info, ) New types.
2744 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2746 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2747 df_analyze_simple_change_some_blocks,
2748 df_analyze_simple_change_one_block, df_compact_blocks,
2749 df_bb_replace, df_bb_regno_last_use_find,
2750 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2751 df_insn_regno_def_p, df_find_def, df_find_use,
2752 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2753 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2754 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2755 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2756 debug_df_chain, df_get_dependent_problem, df_chain_create,
2757 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2758 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2759 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2760 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2761 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2762 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2763 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2764 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2765 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2766 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2767 df_reorganize_refs, df_set_state, df_hard_reg_init,
2768 df_read_modify_subreg_p) New public functions.
2769 * df-core.c: The core dataflow solver and glue routines for rtl
2771 (df_init, df_add_problem, df_set_blocks, df_finish,
2772 df_hybrid_search_forward, df_hybrid_search_backward,
2773 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2774 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2775 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2776 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2777 df_reg_defined, df_find_use, df_reg_used, df_dump,
2778 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2779 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2780 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2781 debug_df_useno, reset_df_after_reload): New functions.
2782 * df-scan.c: The scanning fuctions, once in df.c, completely
2783 rewritten so that they now fully model the functionality of
2784 register usage at the backend.
2785 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2786 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2787 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2788 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2789 df_get_artificial_defs, df_get_artificial_uses,
2790 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2791 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2792 df_refs_delete, df_reorganize_refs, df_set_state,
2793 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2794 df_def_record_1, df_defs_record, df_uses_record,
2795 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2796 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2797 df_record_exit_block_uses, df_hard_reg_init): New functions.
2799 * df-problems.c: Seven concrete dataflow problems that use the
2800 scanning in df-scan.c and are solved by the engine in df-core.c.
2801 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2802 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2803 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2804 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2805 df_ru_free_bb_info, df_ru_alloc,
2806 df_ru_bb_local_compute_process_def,
2807 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2808 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2809 df_ru_transfer_function, df_ru_free, df_ru_dump,
2810 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2811 df_rd_free_bb_info, df_rd_alloc,
2812 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2813 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2814 df_rd_transfer_function, df_rd_free, df_rd_dump,
2815 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2816 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2817 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2818 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2819 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2820 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2821 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2822 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2823 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2824 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2825 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2826 df_urec_mark_reg_use_for_earlyclobber,
2827 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2828 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2829 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2830 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2831 df_chain_create_bb_process_use, df_chain_create_bb,
2832 df_chain_finalize, df_chain_free, df_chains_dump,
2833 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2834 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2835 df_reg_lifetime): New functions.
2836 * df.c: Deleted file.
2837 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2838 consistent with new df api.
2839 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2840 rest_of_handle_sms): Ditto.
2841 * web.c (unionfind_union, union_defs, entry_register, web_main):
2843 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2844 invariant_expr_equal_p, find_defs, check_dependencies,
2845 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2846 free_inv_motion_data, move_loop_invariants): Ditto.
2847 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2848 Update dependencies.
2849 (odf.c): Added defective entry that was deleted later in day.
2850 * sched-deps.c (sched_analyze_1): Ditto.
2852 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2854 * tree-ssa-operands.c (get_expr_operands): Record addressable
2855 variables directly. Do not call add_stmt_operands for CONST_DECLs
2857 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2858 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2860 2006-01-11 Ben Elliston <bje@au.ibm.com>
2862 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2863 function returns true in the positive case.
2865 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2868 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2869 for SI, DI, SF and DF modes. Add alternatives to copy between
2870 general and floating point registers to the 32-bit patterns.
2871 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2872 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2873 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2874 generating 64-bit code.
2875 * config/pa/pa.c (output_move_double): Handle copies between general
2876 and floating registers.
2878 2006-01-10 Stuart Hastings <stuart@apple.com>
2880 * config/i386/i386.md (set_got): Update.
2881 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2882 (builtin_setjmp_receiver): Mach-O support.
2883 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2884 (GOT_SYMBOL_NAME): Define.
2885 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2886 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2887 * config/i386/i386.c (override_options): Revise for Darwin.
2888 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2889 support. (darwin_x86_file_end): New. (output_set_got): Add label
2890 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2891 * config/i386/i386-protos.h (output_set_got): Likewise.
2892 * config/darwin.c (machopic_legitimize_pic_address): Update
2895 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2897 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2898 when MODE isn't BLKmode.
2900 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2902 PR rtl-optimization/25367
2903 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2905 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2908 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2909 for a negative bound.
2911 2006-01-10 Richard Guenther <rguenther@suse.de>
2913 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2914 Never override with anything constraint.
2916 2006-01-10 Jan Beulich <jbeulich@novell.com>
2918 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2919 256 bits when optimize_size.
2921 2006-01-10 Jan Beulich <jbeulich@novell.com>
2923 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2925 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2926 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2929 2006-01-10 Ben Elliston <bje@au.ibm.com>
2931 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2933 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2934 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2935 (USE_FP_FOR_ARG): Reject decimal float modes.
2936 (function_arg_advance): Likewise.
2937 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2938 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2939 point types in AltiVec vectors.
2940 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2941 (rs6000_libcall_value): Likewise.
2943 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2945 * config/xtensa/ieee754-df.S: New file.
2946 * config/xtensa/ieee754-sf.S: New file.
2947 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2948 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2949 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2951 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2953 * config/sh/predicates.md (binary_float_operator,
2954 binary_logical_operator, commutative_float_operator,
2955 equality_comparison_operator, greater_comparison_operator,
2956 less_comparison_operator, logical_operator,
2957 noncommutative_float_operator, shift_operator,
2958 symbol_ref_operand, unary_float_operator): Remove redundant
2961 2006-01-09 Jeff Law <law@redhat.com>
2963 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2964 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2965 now unused arguments. Callers updated.
2966 (eliminate_redundant_computations): Remove now unused arguments,
2968 (local_fold): Remove, no longer used.
2969 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2971 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2972 (simplify_cond): New function.
2973 (forward_propagate_into_cond): Call simplify_cond.
2975 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2977 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2978 (*vec_extractv2di_1_sse): New.
2980 2006-01-09 Ben Elliston <bje@au.ibm.com>
2982 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2984 2006-01-08 Richard Guenther <rguenther@suse.de>
2986 * tree-ssa-structalias.c (get_constraint_for): Remove
2988 (get_constraint_for_component_ref): Likewise.
2989 (do_deref): Likewise.
2990 (get_constraint_for): Likewise.
2991 (do_structure_copy): Likewise.
2992 (handle_ptr_arith): Likewise.
2993 (find_func_aliases): Likewise. Remove unused need_anyoffset
2996 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2997 Kaz Kojima <kkojima@gcc.gnu.org>
2999 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3000 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3001 (EXTRA_CONSTRAINT_C16): Remove.
3002 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3003 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3004 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3005 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3006 constants of SHmedia. Handle nested constant expressions of
3008 (andcosts): Fix the costs for SHmedia constants.
3009 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3010 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3011 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3012 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3013 (movv4hi_i, movv2si_i): Likewise.
3014 (movsi_const): Adjust the second operand of ior so to match with
3016 (movdi_const, movdi_const_32bit): Likewise.
3017 (movdi_const_16bit+1): Don't sign-extend LOW.
3018 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3020 (*double_shori): Fix the split condition. Use GEN_INT instead
3021 of get_int_mode calls. Mask lower 16-bit of the argument of
3023 (sym2GOTPLT): Remove.
3024 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3026 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3027 instead of EXTRA_CONSTRAINT_C16.
3029 2006-01-07 Ian Lance Taylor <ian@airs.com>
3030 David Edelsohn <edelsohn@gnu.org>
3032 PR rtl-optimization/25662
3033 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3034 for constant operands instead of simplify_gen_binary.
3035 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3036 after trying simplify_binary_operation
3038 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3040 * tree.c (iterative_hash_expr): Hash decls based on UID.
3042 2006-01-06 Eric Christopher <echristo@apple.com>
3044 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3045 (TARGET_UNWIND_EMIT): Fix spelling.
3046 * target.h (gcc_target): Add except_table_label.
3047 * except.c (output_function_exception_table): Use.
3048 * varasm.c (default_emit_except_table_label): New.
3049 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3051 (asm_out): Add here.
3052 * output.h (default_emit_except_table_label): Prototype.
3053 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3054 * config/darwin.c (darwin_emit_except_table_label): Define.
3055 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3057 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3059 PR tree-optimization/18527
3060 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3061 number_of_iterations_special, number_of_iterations_exit):
3062 Move base and step of an iv to a single structure. Add
3063 no_overflow flag, and use it in # of iterations analysis.
3064 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3065 folded_casts argument.
3066 (simple_iv): Pass base and step in a structure. Set no_overflow
3068 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3069 Evaluate expensiveness of computing # of iterations instead of
3070 the final expression.
3071 * tree-scalar-evolution.h (affine_iv): New structure.
3072 (simple_iv): Declaration changed.
3073 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3074 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3075 find_givs_in_stmt): Changed due to simple_iv change.
3077 2006-01-06 Jeff Law <law@redhat.com>
3080 * tree-cfg.c (bsi_replace): Rename final argument from
3081 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3082 change (stmt -> orig_stmt).
3083 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3084 (bsi_remove): Add new argument. Remove EH information
3086 (verify_eh_throw_table_statements): New function.
3087 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3089 * tree-optimize.c (execute_free_cfg_annotations): Verify
3090 the EH throw statement table after removing annotations.
3091 * except.h (verify_eh_throw_table_statements): Prototype.
3092 * tree-flow.h (bsi_remove): Update prototype.
3093 * tree-vrp.c (remove_range_assertions): Add new argument to
3095 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3096 * tree-complex.c (expand_complex_div_wide): Likewise.
3097 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3098 * tree-tailcall.c (eliminate_tailcall): Likewise.
3099 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3100 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3101 * tree-nrv.c (tree_nrv): Likewise.
3102 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3103 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3104 (combine_blocks): Likewise.
3105 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3106 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3107 (cleanup_control_flow): Likewise.
3108 (remove_forwarder_block): Likewise.
3109 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3110 * tree-sra.c (sra_replace): Likewise.
3111 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3112 (forward_propagate_single_use_vars): Likewise.
3113 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3114 * tree-inline.c (expand_call_inline): Likewise.
3115 * tree-vect-transform.c (vect_transform_loop): Likewise.
3116 * tree-outof-ssa.c (rewrite_trees): Likewise.
3117 * tree-cfg.c (make_goto_expr_edges): Likewise.
3118 (cleanup_dead_labels): Likewise.
3119 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3120 (bsi_move_before, bsi_move_after): Likewise.
3121 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3122 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3124 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3127 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3129 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3130 on non gimple variables. Also add checks at the top for decls and
3132 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3134 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3135 and IMAGPART_EXPR for creating MUST_DEFs.
3136 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3137 and NAME_MEMORY_TAG separately from the DECLs.
3139 2006-01-06 Richard Guenther <rguenther@suse.de>
3141 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3142 annotation, if necessary.
3143 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3144 redundant calls to update_stmt.
3145 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3148 2006-01-05 Richard Henderson <rth@redhat.com>
3150 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3152 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3154 * c-typeck.c: Update copyright date.
3156 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3158 * c-typeck.c (build_c_cast): Always warn when casting
3159 from a pointer to an integer of different size, even if
3160 the node was constant.
3162 2006-01-05 Richard Guenther <rguenther@suse.de>
3164 PR tree-optimization/22555
3165 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3166 if one structure field is an array.
3167 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3168 operands even if we found a subvar, but ignore VOPs in this
3170 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3172 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3174 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3177 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3179 2006-01-05 Richard Guenther <rguenther@suse.de>
3180 Diego Novillo <dnovillo@redhat.com>
3182 * tree-pass.h (TODO_remove_unused_locals): Define.
3183 * gimple-low.c (expand_var_p, remove_useless_vars,
3184 pass_remove_useless_vars): Remove. Update all users.
3185 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3186 (remove_unused_locals): New function.
3187 * tree-flow.h (remove_unused_locals): Declare.
3188 * passes.c (execute_todo): Call remove_unused_locals if
3189 TODO_remove_unused_locals is set.
3190 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3191 * tree-ssa-dce.c (pass_dce): Likewise.
3192 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3194 2006-01-05 Richard Guenther <rguenther@suse.de>
3196 * tree-flow.h (struct fieldoff): Decompose field to
3197 type, size and decl.
3198 * tree-ssa-alias.c (create_sft): Take type as parameter.
3199 (create_overlap_variables_for): Store type, size and decl
3200 in the fieldoff structure.
3201 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3203 (push_fields_onto_fieldstack): Likewise.
3204 (create_variable_info_for): Likewise. Use offset for the
3205 SFT name if the decl is not available.
3207 2006-01-04 Paul Brook <paul@codesourcery.com>
3209 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3211 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3213 * lambda-code.c (can_put_in_inner_loop): Relax
3215 (can_put_after_inner_loop): New function.
3216 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3217 (perfect_nestify): Change to make copies and modify uses.
3219 2006-01-04 Richard Henderson <rth@redhat.com>
3221 Merge from gomp branch:
3222 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3223 via integer constant.
3224 (pragma_lex): Remove.
3225 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3226 rather than parsing it.
3227 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3228 handle_pragma_extern_prefix): Add %< %> quotes.
3229 (registered_pragmas): New.
3230 (c_register_pragma_1): New.
3231 (c_register_pragma): Use it.
3232 (c_register_pragma_with_expansion): Likewise.
3233 (c_invoke_pragma_handler): New.
3234 (init_pragma): Use cpp_register_deferred_pragma directly for
3236 * c-pragma.h (enum pragma_kind): New.
3237 (pragma_handler): New.
3238 (c_invoke_pragma_handler): Declare.
3239 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3241 * c-common.h (c_common_pch_pragma): Update decl.
3242 * Makefile.in (c-parser.o): Update dependencies.
3243 (GTFILES): Add c-pragma.h.
3244 * c-parser.c (struct c_token): Add pragma_kind.
3245 (struct c_parser): Add in_pragma.
3246 (c_lex_one_token): Always initialize keyword and pragma_kind.
3247 Extract data for CPP_PRAGMA.
3248 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3249 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3250 Don't allow CPP_PRAGMA_EOL if in_pragma.
3251 (c_parser_consume_pragma): New.
3252 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3253 (c_parser_skip_to_end_of_parameter): Likewise.
3254 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3255 (c_parser_skip_to_pragma_eol): New.
3256 (c_parser_external_declaration): Handle CPP_PRAGMA.
3257 (c_parser_compound_statement_nostart): Likewise.
3258 (c_parser_statement_after_labels): Likewise.
3259 (c_parser_pragma): New.
3260 (pragma_lex): Likewise.
3261 (c_parser_pragma_pch_preprocess): New.
3262 (c_parser_new): Merge into ...
3263 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3265 2006-01-04 Jeff Law <law@redhat.com>
3268 * tree-cfg.c (bsi_replace): Remove the original statement
3269 from the EH throw statement table.
3271 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3273 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3274 make the prototype extern "C" and add throw ().
3277 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3278 and pos non-negative and pos + len <= 32.
3279 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3280 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3281 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3284 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3285 as well as sizes not multiple of component size.
3288 * function.c (instantiate_expr): New function.
3289 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3290 walk its DECL_VALUE_EXPR with instantiate_expr.
3292 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3293 DW_OP_deref{,_size} if address isn't going to be added.
3295 2006-01-04 Ben Elliston <bje@au.ibm.com>
3297 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3298 * config/fp-bit.c: Likewise.
3300 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3302 * dominance.c: Add comment about why we use DFS numbering
3305 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3306 Richard Henderson <rth@redhat.com>
3308 Merge from gomp-branch:
3309 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3310 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3312 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3314 PR rtl-optimization/25578
3315 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3316 pass a parameter to simplify_shift_const if changing ASHIFTRT
3319 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3321 * builtins.c (get_builtin_sync_mem): New function.
3322 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3323 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3324 Call get_builtin_sync_mem to generate mem rtx.
3326 2006-01-03 Richard Guenther <rguenther@suse.de>
3329 * stmt.c (add_case_node): Make sure to clear overflow flags
3332 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3334 Merge from gomp-branch.
3335 * config/sparc/sync.md: New file.
3336 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3337 UNSPECV_LDSTUB): New constants.
3338 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3339 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3340 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3343 2006-01-03 Roger Sayle <roger@eyesopen.com>
3345 * combine.c (reg_subword_p): New predicate to test whether the
3346 destination of a set refers to a subword/piece of a register.
3347 (try_combine): Generalize the code to merge the setting of a
3348 pseudo to a constant followed by a set of a subword of that
3349 register to a constant.
3351 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3353 * basic-block.h (control_flow_graph): Change the type of
3354 x_label_to_block_map to VEC(basic_block,gc) *.
3355 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3356 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3358 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3359 VEC(basic_block,heap) *.
3360 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3361 ssa_prop_fini): Adjust the uses of cfg_blocks.
3363 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3365 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3367 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3368 hashing trees instead of a pointer hash.
3369 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3370 compare for MEM_EXPR.
3372 PR rtl-optimization/25130
3373 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3374 when comparing MEMs for GCSE
3376 2006-01-03 Ben Elliston <bje@au.ibm.com>
3378 * targhooks.h (default_decimal_float_supported_p): Declare.
3379 * targhooks.c (default_decimal_float_supported_p): Define.
3380 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3381 `default_decimal_float_supported_p'.
3382 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3384 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3386 * combine.c (apply_distributive_law <SUBREG>): Check
3387 TRULY_NOOP_TRUNCATION.
3389 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3391 * dwarf2out.c (have_switched_text_section): Delete.
3392 (have_multiple_function_sections): New.
3393 (have_location_lists): Make 'bool'.
3394 (add_AT_loc_list): Use 'true' not '1'.
3395 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3396 (output_loc_list): Use have_multiple_function_sections.
3397 (output_ranges): Likewise.
3398 (dwarf2out_begin_function): Set have_multiple_function_sections if
3400 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3401 Check function_section rather than DECL_SECTION_NAME.
3402 (dwarf2out_finish): Use have_multiple_function_sections.
3403 Don't clear have_location_lists.
3405 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3406 Jan Hubicka <jh@suse.cz>
3408 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3409 case of conditional jump jumping to the next instruction.
3410 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3411 cases of conditional jump jumping to the next instruction.
3413 2006-01-02 Jan Hubicka <jh@suse.cz>
3415 * i386.c (*_cost): Add COSTS_N_INSNS.
3416 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3418 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3421 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3423 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3425 * config/arm/arm.c (all_fpus): Fix comment typo.
3426 * config/darwin.c: Likewise.
3427 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3428 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3429 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3431 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3433 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3434 (rs6000_split_compare_and_swapqhi): New.
3435 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3436 (sync_compare_and_swapqhi_internal): New.
3437 * config/rs6000/rs6000-protos.h: Declare.
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