1 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4 * config/s390/s390.c (struct machine_function): New flag
5 decomposed_literal_pool_addresses_ok_p.
6 (s390_reorg): Set it before final stage of literal pool transforms.
7 (s390_decompose_address): Only accept displacements of the form
8 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13 the comparison routine return.
15 2006-01-30 Michael Matz <matz@suse.de>
17 * global.c (find_reg): Only evict for global regs.
18 Take n_refs into account and dump more info.
20 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
23 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
24 (pragma_trap, pragma_nosave_low_regs): Likewise.
25 (current_function_anonymous_args): Likewise.
26 (sh_deferred_function_attributes): New variable.
27 (sh_deferred_function_attributes_tail): Likewise.
28 (print_operand): For '@', look up trap_exit attribute.
29 (calc_live_regs): Look up trapa_handler attribute. For trapa
30 handlers, save/restore fpscr, but don't do any other
31 interrupt-specific saves.
32 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
33 Fix check for partially saved registers to check for SHmedia.
34 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
35 (sh_output_function_epilogue): Don't clear any of the removed
37 (sh_insert_attributes): Don't check pragma_interrupt.
38 Insert deferred attributes. Check that interrupt attribute is
39 present for other attributes that require its presence.
40 (sh_attribute_table): Add new attributes trapa_handler and
42 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
43 Don't check for pragma_interrupt. Don't store argument.
44 * sh.h (pragma_interrupt, sp_switch): Don't declare.
45 (sh_deferred_function_attributes): Declare.
46 (sh_deferred_function_attributes_tail): Likewise.
47 * sh.md (sp_switch_1): Add operand. Change generator caller.
48 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
49 (*return_i): Don't use when trap_exit attribute is in effect.
50 (*return_trapa): New insn pattern.
52 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
53 setting c_target_objs and cxx_target_objs.
54 * t-sh: Add rule for sh-c.o.
56 2006-01-30 Richard Guenther <rguenther@suse.de>
59 * gimplify.c (gimplify_target_expr): Handle easy cases
60 without creating a temporary.
62 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
64 * vec.h (safe_grow): Remove duplicated line.
66 2006-01-29 Diego Novillo <dnovillo@redhat.com>
69 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
70 (expand_omp): ... here.
71 (expand_omp_parallel): Only remove barriers for combined
72 parallel+workshare constructs.
74 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
78 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
79 * tree.c (build_qualified_type): Chain the new type to the original
80 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
81 a POINTER_TYPE or a REFERENCE_TYPE respectively.
82 (build_pointer_type_for_mode): Only return unqualified types.
83 (build_reference_type_for_mode): Likewise.
85 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
87 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
88 * Makefile.in (CXX_COMPAT_WARN): Define.
89 * configure: Regenerate.
91 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
94 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
97 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
99 * toplev.c: Fix thinko.
101 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
102 Marcin Dalecki <martin@dalecki.de>
104 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
105 (push_srcloc): Use XNEW.
106 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
108 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
110 * df-core.c (df_set_blocks): Deleted all variable.
112 2006-01-28 Ian Lance Taylor <ian@airs.com>
114 * cgraphunit.c (cgraph_assemble_pending_functions): Call
115 cgraph_output_pending_asms.
117 2006-01-28 Zack Weinberg <zackw@panix.com>
119 * c.opt: Add -W(no-)overlength-strings.
120 * doc/invoke.texi: Document it.
121 * c-opts.c (c_common_handle_option): -pedantic implies
122 -Woverlength-strings, if not explicitly disabled already.
123 (c_common_post_options): -Woverlength-strings defaults to off, and
124 is always off for C++.
125 * c-common.c (fix_string_type): Issue warning about strings longer
126 than is portable only if warn_overlength_strings. Rearrange code
127 a little for clarity.
128 * configure.in: Check for -Wno-overlength-strings as well before
129 enabling -pedantic in stage 1.
130 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
131 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
133 * genconditions.c (write_header, write_one_condition)
134 (write_conditions, write_writer): Consolidate very long strings
135 that were broken up to fit in C89 portable limit. Don't use
136 printf when fputs will do.
138 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
140 * combine.c (simplify_comparison <AND>): Check
141 TRULY_NOOP_TRUNCATION before start using a subreg.
143 * config/mips/mips.md (*branch_zero<mode>,
144 *branch_zero<mode>_inverted, *branch_equality<mode>,
145 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
146 Remove mode check from comparisons.
148 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
150 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
152 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
154 * expmed.c (const_mult_add_overflow_p): Remove.
155 * expr.h: Remove the prototype for const_mult_add_overflow_p.
157 * recog.c (validate_replace_rtx_subexp): Remove.
158 * recog.h: Remove the prototype for
159 validate_replace_rtx_subexp.
161 * integrate.h: Remove the prototype for
162 copy_decl_for_inlining.
163 * rtl.h: Remove the prototype for mark_constant_function.
164 * tree-vectorizer.h: Remove the prototype for
165 vect_strip_conversion.
167 * modulo-sched.c (create_partial_schedule,
168 free_partial_schedule, reset_partial_schedule): Make them
171 * hooks.c (hook_bool_rtx_int_false): Remove.
172 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
174 2006-01-28 David Edelsohn <edelsohn@gnu.org>
176 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
177 and -mlong-double-128 are incompatible.
178 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
179 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
180 (TARGET_LIBGCC2_CFLAGS): Define.
181 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
182 (TARGET_LIBGCC2_CFLAGS): Same.
183 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
185 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
188 * c-typeck.c (build_binary_op): Perform implicit casts of
189 operands before shortening them.
191 * cfgloopmanip.c (split_loop_bb): Remove.
192 * cfgloop.h: Remove the prototype for split_loop_bb.
194 * cfgloop.c (flow_loop_outside_edge_p): Remove.
195 * cfgloop.h: Remove the prototype for
196 flow_loop_outside_edge_p.
198 * emit-rtl.c (init_virtual_regs): Make it static.
199 * function.h: Remove the prototype for init_virtual_regs.
201 * recog.c (peephole2_optimize): Make it static.
202 * recog.h: Remove the prototype for peephole2_optimize.
204 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
206 * df-scan.c (df_record_entry_block_defs): Check if
207 INCOMING_RETURN_ADDR_RTX is defined.
209 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
210 Kenneth Zadeck <zadeck@naturalbridge.com>
212 PR rtl-optimization/24762
213 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
214 * targhooks.c (hook_void_bitmap): New hook prototype.
215 * targhoohs.h (hook_void_bitmap): Ditto.
216 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
217 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
218 * target.h (live_on_entry): New function pointer.
219 * df-scan.c (df_all_hard_regs): Removed.
220 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
221 (df_scan_free_internal): Added df->entry_block_defs.
222 (df_scan_alloc): Ditto.
223 (df_scan_dump): Ditto.
224 (df_uses_record): Plumbed flag field properly thru calls.
225 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
226 This part fixes PR24762.
227 (df_bb_refs_record): Added code to make the frame and arg
228 pointers live in EH blocks.
229 (df_refs_record): Added call to df_record_entry_block_defs.
230 (df_record_entry_block_defs): New function.
231 * df-core.c: Added comments to describe new artifical defs.
232 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
233 (entry_block_defs): New field in struct df.
234 (df_all_hard_regs): Deleted.
235 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
236 * df-problems.c (df_ru_bb_local_compute_process_def):
237 Added code to handle artifical defs in the entry to a function.
238 (df_ru_bb_local_compute): Ditto.
239 (df_rd_bb_local_compute_process_def): Ditto.
240 (df_rd_bb_local_compute): Ditto.
241 (df_lr_bb_local_compute): Ditto.
242 (df_ur_bb_local_compute): Ditto.
243 (df_urec_bb_local_compute): Ditto.
244 (df_chain_create_bb): Ditto.
245 (df_ur_local_finalize): Removed entry.
246 (df_urec_init): Ditto.
247 (df_urec_local_finalize): Ditto.
248 (df_ri_bb_compute): Added detection of last use of pseudos.
249 * Makefile.in (df-scan.o): Updated dependencies.
250 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
251 * config/mips/mips.c (mips_set_live_on_entry): Added.
252 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
254 * dce.c (marked_insn_p): Added code to handle artifical defs.
256 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
258 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
260 (_mm_cvtsi128_si64): Likewise.
261 (_mm_cvtsd_si64): Likewise.
262 (_mm_cvttsd_si64): Likewise.
263 (_mm_cvtsi64_sd): Likewise.
264 (_mm_cvtsi64_si128): Likewise.
265 * config/i386/mmintrin.h (_m_from_int64): Likewise.
266 (_mm_cvtsi64_m64): Likewise.
267 (_m_to_int64): Likewise.
268 (_mm_cvtm64_si64): Likewise.
269 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
270 (_mm_cvttss_si64): Likewise.
271 (_mm_cvtsi64_ss): Likewise.
272 (_mm_cvtss_f32): Likewise.
274 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
276 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
277 for pragma redefine_extname.
279 2006-01-27 Jakub Jelinek <jakub@redhat.com>
282 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
283 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
284 -mno-minimal-toc to previous content.
285 (bispecs): Remove goal.
286 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
287 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
288 compatibility aliases on powerpc-*-*gnu*.
289 * config/rs6000/libgcc-ppc-glibc.ver: New file.
290 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
291 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
292 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
293 (ldblspecs): New goal.
294 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
295 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
297 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
298 L_sf_to_tf or L_df_to_tf is defined.
300 2006-01-27 David Edelsohn <edelsohn@gnu.org>
301 Alan Modra <amodra@bigpond.net.au>
304 * config/rs6000/linux.h (POWERPC_LINUX): Define.
305 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
306 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
307 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
308 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
309 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
310 (rs6000_override_options): Initialize rs6000_ieeequad.
311 Initialize TFmode format to ibm_extended_format if not
313 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
315 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
316 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
317 (function_arg_advance): IBM long double passed in two FPRs, not
319 (function_arg): IBM long double passed in FPRs.
320 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
321 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
322 Only multireg GPR aligned.
323 (rs6000_init_libfuncs): Enable IBM long double functions if not
325 (rs6000_generate_compare): Use IBM long double compare if not
327 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
328 (TARGET_IEEEQUAD): Define.
329 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
331 * config/rs6000/rs6000.md: Enable TFmode patterns if
333 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
334 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
335 and -mlong-double-128 are incompatible.
336 * doc/invoke.texi (-mabi): Collect options together. Add
337 ibmlongdouble and ieeelongdouble.
339 2006-01-27 Richard Sandiford <richard@codesourcery.com>
341 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
343 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
344 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
345 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
346 * rtl.h (rtunion_def): Remove rt_ptr.
348 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
349 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
350 * config/i386/winnt.c (i386_pe_mark_dllexport)
351 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
353 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
355 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
357 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
361 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
362 pthread_key_delete. From John David Anglin. gthrw-ify
363 pthread_getunique_np only if it it's not a macro. Delete
365 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
366 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
367 __gthread_objc_condition_signal, __gthread_key_delete): Add
368 "__attribute__ ((__unused__))" to unused arguments.
369 (__gthread_recursive_mutex_init_function): Add missing return.
370 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
371 gthr-posix95.h: Use macro-based approach for name redirection
372 on targets missing weakref.
374 2006-01-26 Zack Weinberg <zackw@panix.com>
376 * genconditions.c (write_header): In generated code, #ifdef out
377 all includes and fake declarations, except includes of bconfig.h
378 and system.h, unless GCC_VERSION >= 3001. Do not include
379 gensupport.h in any case.
380 (write_conditions): Generate a definition of struct c_test. Add
381 a comment to the generated #endif.
382 (write_one_condition): Escape backslashes in string too.
383 (write_writer): Generated code must escape backslashes and quote
384 marks (but not newlines) in the strings it writes.
385 * Makefile.in (build/gencondmd.o): Update dependencies.
387 2006-01-26 Steve Ellcey <sje@cup.hp.com>
390 * Makefile.in (insn-automata.o): Add header file dependencies.
391 * genautomata.c: Add includes.
393 2006-01-26 Steve Ellcey <sje@cup.hp.com>
396 * Makefile.in (insn-automata.o): Add -Wno-error flag.
398 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
400 * configure.ac: Expect target tools paths to be passed from the toplevel
401 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
403 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
405 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
408 * c.opt (Wpointer-sign): Init to -1.
409 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
410 OPT_pedantic, to 0 otherwise.
411 * doc/invoke.texi: Update.
413 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
415 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
416 constants provided by 80387 instructions in the destination mode.
418 2006-01-26 Richard Guenther <rguenther@suse.de>
419 Andrew Pinski <pinskia@physics.uc.edu>
422 partial PR tree-opt/17064
423 * tree-ssa-structalias.c (intra_create_variable_infos):
424 Create heap variables for incoming parameters if
425 flag_argument_noalias > 1.
426 (find_what_p_points_to): Look through default defs of
429 2006-01-26 Jeff Law <law@redhat.com>
432 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
433 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
434 within the VR_RANGE, use the VR_RANGE as the result, not the
436 (adjust_range_with_scev): Reject ranges from SCEV which are out
437 of bounds for the type.
439 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
441 * tree-ssa-alias.c (maybe_create_global_var): Change
442 subvar walking to an assertion that we don't have subvar'd variables.
444 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
447 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
448 Use a new variable, inner. PARM_DECLs are always non-weak.
450 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
452 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
455 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
457 * config/mips/mips.md (*clear_upper32): New combiner pattern.
459 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
461 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
462 (smax_insn, smin_insn, smax_0, smin_0): New.
464 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
467 * config/cris/cris.c (cris_order_for_addsi3): New function.
468 * config/cris/cris-protos.h: Prototype it.
469 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
470 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
471 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
472 (split for "op.S1 [rx=rx+i],ry (swapped)")
473 (split for "op(s|u).S1 [rx=rx+i],ry")
474 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
475 Apply cris_order_for_addsi3 when generating addsi3 insns.
477 2006-01-25 Diego Novillo <dnovillo@redhat.com>
479 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
480 (TREE_BLOCK): Add call to EXPR_CHECK.
482 2006-01-25 Diego Novillo <dnovillo@redhat.com>
485 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
486 * tree-pretty-print.c (dump_omp_clause): Extract from ...
487 (dump_omp_clauses): ... here.
488 (dump_generic_node): Handle OMP_CLAUSE.
489 * tree.c (omp_clause_num_ops): New.
490 (omp_clause_code_name): New.
491 (tree_code_size): Handle OMP_CLAUSE.
492 (tree_size): Likewise.
493 (make_node): Document handling of OMP_CLAUSE.
494 (tree_node_structure): Handle OMP_CLAUSE.
495 (omp_clause_check_failed): New.
496 (omp_clause_range_check_failed): New.
497 (omp_clause_operand_check_failed): New.
498 (build_omp_clause): New.
499 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
500 * tree.h (enum omp_clause_code): Declare.
501 (OMP_CLAUSE_SUBCODE_CHECK): Define.
502 (OMP_CLAUSE_RANGE_CHECK): Define.
503 (OMP_CLAUSE_ELT_CHECK): Define.
504 (omp_clause_check_failed): Declare.
505 (omp_clause_operand_check_failed): Declare.
506 (omp_clause_range_check_failed): Declare.
507 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
508 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
509 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
510 (OMP_CLAUSE_LASTPRIVATE): Likewise.
511 (OMP_CLAUSE_IF_EXPR): Likewise.
512 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
513 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
514 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
515 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
516 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
517 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
518 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
519 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
520 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
521 (OMP_CLAUSE_CODE): Define.
522 (OMP_CLAUSE_SET_CODE): Define.
523 (OMP_CLAUSE_CODE): Define.
524 (OMP_CLAUSE_OPERAND): Define.
525 (struct tree_omp_clause): Declare.
526 (union tree_node): Add field 'omp_clause'.
527 * treestruct.def (TS_OMP_CLAUSE): Define.
528 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
529 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
530 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
531 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
532 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
533 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
534 (OMP_CLAUSE): Define.
535 * print-tree.c (print_node): Handle OMP_CLAUSE.
536 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
537 * c-typeck.c: Likewise.
538 * gimplify.c: Likewise.
540 * tree-nested.c: Likewise.
541 * tree-inline.c: Likewise.
542 * c-parser.c: Likewise.
543 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
546 2006-01-25 Roger Sayle <roger@eyesopen.com>
548 PR rtl-optimization/25703
549 * combine.c (try_combine): Handle zero_extract and strict_low_part
550 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
552 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
554 * global.c: Fix comment typos.
556 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
559 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
560 Use output_addr_const instead of assemble_name.
562 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
564 * Makefile.in (sched-vis.o): Update dependencies.
565 * haifa-sched.c (sched_finish): Clear current_sched_info.
566 * cfg.c (dump_bb_info): New, split from dump_flow_info.
567 (dump_flow_info): Call it.
568 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
570 * basic-block.h (dump_bb_info): Declare.
571 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
572 option, and apply options only for dump files whose TDF_RTL,
573 TDF_TREE, or TDF_IPA bits match.
574 * rtl.h: Declare new functions exported from sched-vis.c.
575 * sched-vis.c: Enable also if scheduling is not used.
576 (print_value): Print the mode of registers if not inside scheduling.
577 (print_insn): Make it work outside the scheduler. Beautify the output
579 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
581 2006-01-25 Richard Sandiford <richard@codesourcery.com>
583 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
584 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
585 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
586 depending on the value of CONSTANT_POOL_ADDRESS_P.
587 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
589 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
590 rather than SYMBOL_REF_DECL.
591 (rtx_constant_pool): Remove const_rtx_sym_htab.
592 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
593 (init_varasm_status): Don't initialize const_rtx_sym_htab.
594 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
595 Remove handling of const_rtx_sym_htab.
596 (find_pool_constant): Delete.
597 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
598 rather than find_pool_constant.
599 (get_pool_constant_for_function): Delete.
600 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
602 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
603 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
604 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
605 (SYMBOL_REF_CONSTANT): New macro.
606 (get_pool_constant_for_function): Delete.
607 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
608 rather than SYMBOL_REF_DECL.
609 (i386_pe_mark_dllimport): Likewise.
610 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
611 rather than SYMBOL_REF_DECL.
612 * config/darwin.c (machopic_indirect_data_reference): Likewise.
613 (machopic_indirect_call_target): Likewise.
615 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
617 * flow.c (delete_noop_moves): Add missing EOL to dump message.
619 2006-01-25 Richard Sandiford <richard@codesourcery.com>
621 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
623 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
625 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
627 2006-01-24 David Daney <ddaney@avtrex.com>
630 * configure.ac (enable_tls): New enable option.
631 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
632 * configure: Regenerate.
633 * doc/install.texi (--enable-tls): Document new option.
634 (--disable-tls): Ditto.
636 2006-01-24 Richard Henderson <rth@redehat.com>
638 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
639 * alias.c (true_dependence): Respect it.
640 (canon_true_dependence, write_dependence_p): Likewise.
641 * builtins.c (get_builtin_sync_mem): Set it.
643 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
645 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
648 2006-01-24 DJ Delorie <dj@redhat.com>
650 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
651 for storing constants in single-bit bitfields.
653 2006-01-25 Ben Elliston <bje@au.ibm.com>
655 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
657 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
660 * tree-ssa-pre.c (phi_translate): Return NULL
661 for AGGREGATE_TYPE's.
663 2006-01-24 Zack Weinberg <zackw@panix.com>
665 * genautomata.c (process_state_for_insn_equiv_partition):
666 Use xcalloc for insn_arcs_array.
667 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
668 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
670 2006-01-24 Richard Henderson <rth@redhat.com>
672 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
675 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
677 PR rtl-optimization/25890
678 PR rtl-optimization/25905
679 * combine.c (expand_compound_operation, expand_field_assignment):
680 Fail if the bitfield's final position is out of bounds.
682 2006-01-24 Ian Lance Taylor <ian@airs.com>
685 * cgraphunit.c (cgraph_output_in_order): Don't clear
686 cgraph_asm_nodes until after asm strings have been output.
688 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
690 * fix-header.c (read_scan_file): Add new parameter imultilib when
691 calling register_include_chains.
693 2006-01-23 Diego Novillo <dnovillo@redhat.com>
695 * omp-low.c: Update documentation.
697 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
698 Daniel Berlin <dberlin@dberlin.org>
702 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
703 return from the function.
705 2006-01-22 Zack Weinberg <zackw@panix.com>
707 * rtl.def (match_code): Add second argument.
708 * genpreds.c (write_extract_subexp): New function.
709 (write_match_code): Add path argument. Use write_extract_subexp.
710 (write_predicate_expr): Pass path to write_match_code.
711 (mark_mode_tests): MATCH_CODE applied to a subexpression does
712 not perform a mode test.
713 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
714 a subexpression does not constrain the top-level code set.
715 * read-rtl.c (read_rtx_variadic): New function.
716 (read_rtx_1): Use it; allow AND and IOR to be variadic.
717 * doc/md.texi: Document new notation.
718 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
719 (cmpsi_operand): ... here, using new notation.
721 2006-01-22 Zack Weinberg <zackw@panix.com>
723 * varray.c: Remove GENERATOR_FILE #ifdefs.
725 2006-01-22 Zack Weinberg <zackw@panix.com>
727 * genautomata.c (output_reserved_units_table): Emit nothing if
728 description->query_units_num is zero. Remove extra blank line.
729 (output_cpu_unit_reservation_p): Short circuit
730 if description->query_units_num is zero.
732 2006-01-22 Zack Weinberg <zackw@panix.com>
734 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
735 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
736 nor any of the random handful of variables that used to be necessary
737 when this program was linked with rtlanal.o. Prune set of forward
738 function declarations.
739 (struct attr_desc): Remove static_p field.
740 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
741 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
742 (attr_string): Do not read the character one past the length of
744 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
745 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
746 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
747 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
748 (make_automaton_attrs): New.
749 (main): Do not call into genautomata. Call local gen_bypass
750 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
751 Remove special case for insn_alts.
752 * genautomata.c: Include gensupport.h; not genattrtab.h nor
753 varray.h (leftover from previous change). Prune set of forward
754 function declarations. Remove state_alts fields from all
755 structures. Remove state_alts_table from struct automaton.
756 Make everything except main static. Do not maintain num_dfa_decls.
757 Do not maintain state_alts fields of various structures.
758 (process_decls): Don't validate condexp for dm_insn_reserv decls.
759 (add_arc): Remove state_alts argument. All callers updated.
760 (output_reserved_units_table): Emit #ifdef here...
761 (output_tables): ...not here. Don't generate state_alts tables.
762 (expand_automata): Don't generate attributes.
763 (write_automata): Don't generate state_alts functions.
764 (main): New function.
765 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
766 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
767 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
768 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
769 (BYPASS_P_FUNC_NAME, output_state_alts_table)
770 (output_automata_list_state_alts_code, output_internal_state_alts_func)
771 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
772 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
774 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
775 * genattrtab.h: Delete file.
776 * Makefile.in (OBJS-common): Add insn-automata.o.
777 (insn-automata.o): New rule.
778 (simple_generated_c): Add insn-automata.c.
779 (build/genattrtab.o, build/genautomata.o): Update dependencies.
780 (genprogmd): Add automata.
781 (build/genattrtab): Needs no extra objects nor libraries.
782 (build/genautomata): Needs build/vec.o and -lm.
784 2006-01-22 Zack Weinberg <zackw@panix.com>
786 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
787 (output_dfa_max_issue_rate, locked_states_num): Delete.
788 (struct automaton): Add locked_states field.
789 (output_dead_lock_vect): Save number of locked states in
790 automaton->locked_states. If it is zero, don't print anything.
791 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
792 (output_internal_dead_lock_func): Only test the dead_lock_vect
793 for automata that have locked states.
794 (output_statistics): Always print the number of locked states for
795 each automaton. Calculate total number of locked states here.
796 (write_automata): Don't call output_dfa_max_issue_rate.
797 * genattrtab.c: Define length_unit_log as a const variable.
798 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
799 max_insn_queue_index const.
800 * final.c (length_unit_log): Declare const.
801 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
803 2006-01-22 Zack Weinberg <zackw@panix.com>
805 * genautomata.c: Include vec.h, not varray.h.
806 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
807 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
808 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
809 VEC_* macros operating on appropriately typed vectors, or to
810 malloced arrays when the size is known in advance. Const-ify
811 many char* variables and function arguments. No functional changes.
812 * Makefile.in (build/varray.o): Delete rule.
813 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
814 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
816 2006-01-22 Zack Weinberg <zackw@panix.com>
818 * gensupport.c: Define get_insn_name and record_insn_name here.
819 (read_md_rtx): Call record_insn_name as appropriate.
820 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
821 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
822 * genpreds.c, genrecog.c: Don't define get_insn_name nor
824 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
825 (BUILD_VARRAY): Delete.
826 (genprognormal): Rename genprogmd. Fold in all programs from
827 genprognoprint; also attrtab.
828 (build/genattrtab): Just mention genautomata.o and varray.o.
829 Reorganize a bit, add comments to make the categories clearer.
831 2006-01-22 Zack Weinberg <zackw@panix.com>
833 * genconditions.c (condition_table, add_condition): Delete.
834 (write_conditions): Don't emit n_insn_conditions nor
835 insn_elision_unavailable. Issue the gcc version #ifdef here,
836 inside the table, with no #else clause ...
837 (write_header): ...not here.
838 (write_writer): New function.
839 (main): Don't initialize condition_table. Use add_c_test.
841 * gensupport.c (init_md_reader_args_cb): Handle multiple input
842 files on the command line.
843 (maybe_eval_c_test): Don't check insn_elision_unavailable.
844 Return -1 if there is no entry in the table, don't abort.
845 (add_c_test, traverse_c_tests): New functions.
846 * gensupport.h (insn_elision_unavailable, insn_conditions)
847 (n_insn_conditions): Delete declarations.
848 (add_c_test, traverse_c_tests): Declare.
849 * read-rtl.c: Include gensupport.h.
850 (read_conditions): New function.
851 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
852 (read_rtx_1): If we get EOF when we were looking for an initial
853 open paren, return 0. Call read_conditions when appropriate.
854 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
855 dummy-conditions.o. Eliminate references to insn-conditions.o,
856 or change them to build/gencondmd.o, as appropriate. Remove
857 insn-constants.h from $(simple_generated_h) and insn-conditions.c
858 from $(simple_generated_c). For all files remaining in those
859 two lists, add insn-conditions.md to the generator command line.
860 Give insn-constants.h/s-constants their own rules. Add rules
861 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
862 (build/read-rtl.o): Depend on gensupport.h.
863 (genprognormal): Include preds.
864 (genprogearly): Rename genprognoprint; only difference is now that
865 they don't link with $(BUILD_PRINT).
866 * dummy-conditions.c: Delete.
868 2006-01-22 Zack Weinberg <zackw@panix.com>
870 * genextract.c: Don't include insn-config.h. Do include vec.h.
871 Declare vectors of int, char, and locstr.
872 (locstr): New typedef.
873 (struct extraction): Make all array fields into bare pointers.
874 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
875 (insn_code_number): Delete.
876 (accum_extract): New struct.
877 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
878 (gen_insn): Take insn_code_number as an argument. Use an
879 accum_extract structure instead of loading data directly into
880 a struct extraction, and having to know how big it might get.
881 (walk_rtx): Operate entirely on an accum_extract structure.
882 (print_path): Avoid unnecessary use of printf.
883 (print_header): New function, split out of main. Distinguish
884 more carefully between an unrecognizable insn and an insn that
885 has the code number of a define_expand.
886 (main): Pass insn_code_number to gen_insn. Call print_header
887 only after parsing. Avoid unnecessary use of printf.
888 * Makefile.in (build/vec.o): New rule.
889 (build/genextract): Depend on build/vec.o.
890 (build/genextract.o): Don't depend on insn-config.h.
892 2006-01-22 Zack Weinberg <zackw@panix.com>
894 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
895 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
896 practical. Eliminate per-generator-program link rules.
898 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
901 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
902 with a call expr to ...
903 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
905 2006-01-23 Richard Guenther <rguenther@suse.de>
907 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
908 before make_edge with conditional EDGE_TRUE_VALUE.
910 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
911 Jan Hubicka <jh@suse.cz>
912 Richard Guenther <rguenther@suse.de>
914 PR rtl-optimization/25654
915 * cfgexpand.c (aggregate_contains_union_type): New function.
916 (add_alias_set_conflicts): Call it. Make sure to add conflicts
917 for structure variables that contain a union type.
919 2006-01-23 Richard Sandiford <richard@codesourcery.com>
921 * gengtype.c (new_structure): Return the structure.
922 (create_option): Add an extra "next" argument.
923 (create_field): New function.
924 (adjust_field_rtx_def): Use create_option and create_field.
925 Remove a now-unnecessary call to find_structure.
926 (adjust_field_tree_def): Likewise.
927 (note_yacc_type): Remove an unnecessary call to find_structure.
928 * gengtype.h (new_structure): Return the structure.
929 (create_option): Add an extra argument.
930 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
931 (option): Adjust calls to create_option.
933 2006-01-22 David Edelsohn <edelsohn@gnu.org>
935 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
937 2006-01-22 Paul Brook <paul@codesourcery.com>
938 Peter Barada <peter@the-baradas.com>
940 * config/m68k/m68k.md: Add Coldfire FPU support.
941 Define FP mode macro and associated attributes.
942 Use it for float mode patterns.
943 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
944 (LIBCALL_VALUE): Use m68k_libcall_value.
945 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
946 (m68k_function_value): Ditto.
947 (emit_move_sequence): Ditto.
948 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
949 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
950 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
951 (MULTILIB_EXCEPTIONS): Ditto.
952 * config/m68k/m68k.opt: Add mcfv4e.
953 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
954 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
955 (m68k_output_function_prologue): Save ColdFire FPU registers.
956 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
957 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
958 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
959 ColdFire FPU registers.
960 (m68k_libcall_value, m68k_function_value): New functions.
961 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
962 (LIBCALL_VALUE): Use m68k_libcall_value.
963 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
964 (MASK_COLDFIRE): Add MASK_CFV4E.
965 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
966 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
967 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
968 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
969 (GO_IF_LEGITIMATE_ADDRESS): Use it.
970 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
971 * doc/invoke.tex: Document -mcfv4e on m68k.
973 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
975 * doc/contribute.texi: Change CVS to SVN and update the corresponding
978 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
981 * c-opts.c (c_common_handle_option): Don't include
982 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
983 * doc/invoke.texi (C++ Dialect Options): Document that
984 -Wnon-virtual-dtor is no longer included in -Wall.
986 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
988 * gcov.c (print_version), gcov-dump.c (print_version),
989 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
992 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
994 * df-scan.c (problem_SCAN): Added NULL reset function.
995 (df_scan_reset_blocks): Added code to call reset block function
996 (df_bb_refs_delete) Fixed comment.
997 (df_insn_refs_delete): Made tolerant of deleting non existent info
998 for dataflow problems that need to be reset.
999 * df-core.c (df_set_blocks): Ditto.
1000 * df.h (struct df_problem): Added reset_fun.
1001 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1002 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1003 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1004 functions to clear out all references to def-use or use-def chains.
1006 2006-01-21 Ben Elliston <bje@au.ibm.com>
1008 * varasm.c (assemble_real): Initialise data array.
1010 2006-01-20 Paul Brook <paul@codesourcery.com>
1012 Merge from csl-arm-branch.
1013 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1014 * config/arm/arm.md (movdi): Force operands[1] to a register
1015 if we have a non-register source.
1016 (*arm_movdi, *movdf_soft_insn): Require that one of the
1017 operands be a register.
1018 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1019 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1021 2006-01-20 DJ Delorie <dj@redhat.com>
1023 * varasm.c (initialize_constant_valid_p): Allow pointers
1024 initialized from integer constants of lesser precision.
1025 (output_constant): Allow non-int-sized pointer modes to be
1026 initialized from integer constants.
1028 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1031 * cppdefault.h (struct default_include): Add multilib flag.
1032 * cppdefault.c (cpp_include_defaults): Set it.
1033 * c.opt (-imultilib): New option.
1034 * c-opts.c (imultilib): New.
1035 (c_common_handle_option): Handle -imultilib.
1036 (c_common_post_options): Likewise.
1037 * c-incpath.c (add_standard_paths, register_include_chains):
1039 * c-incpath.h (register_include_chains): Add extra parameter.
1040 * gcc.c (do_spec_1): Generate -imultilib option.
1041 (The Specs Language): Update %I description.
1042 (process_command): Update copyright notice.
1043 * doc/cppopts.texi (-imultilib): Document.
1044 * doc/invoke.texi (-imultilib): Include in option summary.
1045 (%I): Update specs documentation.
1047 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1049 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1051 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1053 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1056 2006-01-20 Richard Guenther <rguenther@suse.de>
1057 Steven Bosscher <stevenb.gcc@gmail.com>
1059 PR rtl-optimization/24626
1060 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1061 EDGE_TRUE_VALUE if in RTL mode.
1064 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1065 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1067 2006-01-20 Dirk Mueller <dmueller@suse.com>
1070 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1071 instead of a special NOP marker.
1072 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1073 NOP marker handling.
1074 * c-common.h (empty_body_warning): Add forward declaration.
1075 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1076 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1078 2006-01-20 Paul Brook <paul@codesourcery.com>
1080 * Makefile.in (lang_checks): Keep going if mkdir fails.
1082 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1084 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1085 be able to clean out basic block when not necessary.
1086 (df_scan_free): Fixed to properly delete information if df is
1087 unused before calling df_finish.
1088 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1089 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1091 (df_bb_refs_delete): New function.
1092 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1093 * df-core.c (df_set_blocks): Added code to properly clean out
1094 unused blocks if they are not part of the blocks to consider.
1095 Added additional null check.
1096 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1097 be able to clean out basic block when not necessary
1098 * df.h (df_free_bb_function): Ditto.
1099 (df_bb_refs_delete): New function.
1100 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1101 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1102 basic block parameter to be able to clean out basic block when not
1104 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1105 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1106 Fixed to properly delete information if df is unused before
1109 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1111 PR rtl-optimization/25799
1112 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1113 Corrected confluence operator to remove bits from op2 before oring
1114 with op1 rather than removing bits from op1.
1115 (df_ru_transfer_function): Corrected test on wrong bitmap which
1116 caused infinite loop. Both of these problems were introduced in
1117 the dataflow rewrite.
1119 2006-01-19 DJ Delorie <dj@redhat.com>
1121 * reload1.c (find_reload_regs): Note the details of reload
1122 failures in the dump file.
1123 (spill_failure): Likewise.
1125 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1127 * loop-iv.c: Include df.h and hashtab.h.
1128 (enum iv_grd_result): New enum.
1129 (DF_REF_IV, DF_REF_IV_SET): New macros.
1130 (struct biv_entry): New.
1131 (df, bivs): New global variables.
1132 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1133 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1135 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1136 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1137 analyzed_for_bivness_p, record_biv): New functions.
1138 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1139 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1140 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1142 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1144 (iv_number_of_iterations): Use new interface to iv analysis.
1145 * loop-unroll.c: Do not include varray.h.
1146 (analyze_iv_to_split_insn): Use new interface to iv
1148 * loop-unswitch.c (may_unswitch_on): Ditto.
1149 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1151 (df_bb_modify): Realloc tables to the new index.
1152 (df_find_use): New function.
1153 * df.h (df_find_use): Declare.
1154 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1156 * cfgloop.h (struct rtx_iv): Remove analysed field.
1157 (iv_get_reaching_def): Removed.
1158 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1159 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1160 (loop-iv.o): Add df.h and hashtab.h dependency.
1161 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1163 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1165 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1167 (__floatundisf, __floatundidf): Likewise.
1168 * libgcc2.h (IS_IBM_EXTENDED): Define.
1170 2006-01-19 DJ Delorie <dj@redhat.com>
1172 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1174 2006-01-19 Paul Brook <paul@codesourcery.com>
1176 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1177 as nothrow when unwinding tables are disabled.
1179 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1182 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1183 of bit-field" when in system header.
1185 2006-01-19 DJ Delorie <dj@redhat.com>
1187 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1188 the 16 bit shift limit of the m16c.
1190 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1193 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1194 * config/i386/i386.c (output_set_got): Output the label if we have one
1195 for the TARGET_DEEP_BRANCH_PREDICTION case.
1197 2006-01-19 Jan Hubicka <jh@suse.cz>
1198 H.J. Lu <hongjiu.lu@intel.com>
1199 Evandro Menezes <evandro.menezes@amd.com>
1201 * invoke.texi (generic): Document
1203 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1204 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1205 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1206 (x86_use_incdec, x86_pad_returns): New variables
1207 (TARGET_CPU_DEFAULT_generic): New constant
1208 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1209 (enum processor_type): Add generic32 and generic64.
1210 * i386.md (cpu attribute): Add generic32/generic64
1211 (movhi splitter): Behave sanely when both partial_reg_dependency and
1212 partial_reg_stall are set.
1213 (K8 splitters): Enable for generic as well.
1214 * predicates.md (incdec_operand): Use TARGET_INCDEC
1215 (aligned_operand): Avoid memory mismatch stalls.
1216 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1217 * ppro.md: Enable for generic32
1218 * i386.c (generic64_cost, generic32_cost): New.
1219 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1220 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1221 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1222 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1223 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1224 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1225 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1226 x86_accumulate_outgoing_args, x86_prologue_using_move,
1227 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1228 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1230 (x86_use_incdec, x86_pad_returns): New.
1231 (override_options): Add generic32 and generic64, translate "generic"
1232 to generic32/generic64 and "i686" to "generic32", refuse
1233 "generic32"/"generic64" as arch target.
1234 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1235 (ix86_reorg): Honor PAD_RETURNS.
1237 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1239 * tree-pretty-print.c (dump_generic_node): Handle
1240 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1241 * cgraph.c (cgraph_expand_queue): Rename from
1242 cgraph_analyze_queue. Update all users.
1243 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1244 cgraph_expand_queue.
1245 (cgraph_expand_all_functions): Likewise.
1246 (cgraph_finalize_pending_functions): Remove. Update callers.
1248 * tree.h (OMP_DIRECTIVE_P): Define.
1249 (OMP_PARALLEL_FN): Define.
1250 (OMP_PARALLEL_DATA_ARG): Define.
1251 (OMP_SECTIONS_SECTIONS): Define.
1252 * tree-pass.h (pass_expand_omp): Declare.
1253 * omp-low.c (struct omp_region): Declare.
1254 (struct omp_context): Remove fields 'parallel_type',
1255 'parallel_start_ix' and 'parallel_start_additional_args'.
1257 (struct omp_for_data): Rename from struct expand_omp_for_data.
1258 (omp_regions): New static variable.
1259 (root_omp_region): New static variable.
1260 (find_omp_clause): Make static.
1261 (is_in_combined_parallel_ctx): Remove.
1262 (is_combined_parallel): New.
1263 (extract_omp_for_data): Move earlier in the file.
1264 (workshare_safe_to_combine_p): New.
1265 (get_ws_args_for): New.
1266 (determine_parallel_type): Move earlier in the file.
1267 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1269 (omp_copy_decl): Likewise.
1270 (create_omp_child_function): Likewise.
1271 (lookup_omp_region): New.
1272 (dump_omp_region): New.
1273 (debug_omp_region): New.
1274 (debug_all_omp_regions): New.
1275 (new_omp_region): New.
1276 (scan_omp_parallel): If parallel_nesting_level > 1, the
1277 directive is nested within another parallel directive.
1278 Set OMP_PARALLEL_FN.
1279 (scan_omp_for): Do not try to handle combined parallel+for
1281 Remove FIXME comment.
1282 (scan_omp_nested): Remove.
1283 (scan_omp_1): Do not call scan_omp_nested when
1284 parallel_nesting_level is > 1.
1285 Do not change the DECL_CONTEXT of local variables found.
1286 (lookup_decl_in_outer_ctx): New.
1287 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1288 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1289 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1290 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1291 If CTX is nested, lookup VAR in the outer context when
1292 building copy assignment.
1293 (lower_send_clauses): Rename from expand_send_clauses.
1294 If CTX is nested, lookup VAR in the outer context when
1295 building copy assignments.
1296 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1297 If CTX is nested, lookup VAR in the outer context when
1298 building copy assignments.
1299 (expand_parallel_call): Rename from build_parallel_call.
1300 Handle combined parallel+workshare cases.
1301 Re-implement to emit code into the CFG.
1303 (expand_omp_parallel): Re-implement to emit code into the CFG.
1304 Call move_sese_region_to_fn to outline the sub-graph
1305 containing the parallel region.
1306 (expand_omp_for_1): Remove.
1307 (expand_omp_for_generic): Re-implement to emit code into the
1309 (expand_omp_for_static_nochunk): Likewise.
1310 (expand_omp_for_static_chunk): Likewise.
1311 (expand_omp_for): Likewise.
1312 (expand_omp_sections): Likewise.
1313 (remove_exit_barriers): New.
1314 (expand_omp_synch): New.
1316 (build_omp_regions_1): New.
1317 (build_omp_regions): New.
1318 (execute_expand_omp): New.
1319 (gate_expand_omp): New.
1320 (pass_expand_omp): Define.
1321 (lower_omp_sections): Rename from expand_omp_sections.
1322 Set OMP_SECTIONS_SECTIONS.
1323 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1324 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1325 (lower_omp_single): Rename from expand_omp_simple.
1326 (lower_omp_master): Rename from expand_omp_master.
1327 (lower_omp_ordered): Rename from expand_omp_ordered.
1328 (lower_omp_critical): Rename from expand_omp_critical.
1329 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1330 (lower_omp_for): Re-implement.
1331 (lower_omp_parallel): Re-implement.
1332 (lower_regimplify): Rename from expand_regimplify.
1333 (lower_omp_1): Rename from expand_omp_1.
1334 If there are syntax errors in the program, replace every
1335 OpenMP directive with NOP.
1336 Call lower_omp_* instead of expand_omp_*.
1337 (lower_omp): Rename from expand_omp.
1339 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1340 * tree-gimple.h (enum omp_parallel_type): Remove.
1341 (gimple_boolify): Declare extern.
1342 (find_omp_clause, determine_parallel_type): Remove.
1344 * gimple-low.c (lower_omp_directive): New.
1345 (lower_stmt): Call it.
1346 (record_vars_into): Move from ...
1347 (record_vars): ... here.
1348 Call record_vars_into with current_function_decl.
1350 * gimplify.c (struct gimplify_ctx): Remove fields
1351 combined_pre_p and combined_ctxp. Update users.
1352 (get_formal_tmp_var): Add documentation.
1353 (gimple_boolify): Make extern.
1354 (gimplify_expr_in_ctx): Remove. Update callers.
1355 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1356 will always be a BIND_EXPR.
1357 (gimplify_expr): Handle OMP_RETURN_EXPR.
1358 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1359 (OMP_PARALLEL): Add 3 operands.
1360 (OMP_SECTIONS): Add 1 operand.
1361 (OMP_RETURN_EXPR): Define.
1363 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1364 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1365 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1366 creating a circular free list.
1367 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1369 * tree-flow.h (move_sese_region_to_fn): Declare.
1370 (record_vars_into): Declare.
1371 * tree-cfg.c (make_omp_sections_edges): New.
1372 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1373 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1374 OMP_SECTIONS and OMP_SECTION.
1375 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1376 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1377 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1378 (gather_blocks_in_sese_region): New.
1379 (struct move_stmt_d): Declare.
1381 (move_block_to_fn): New.
1382 (move_sese_region_to_fn): New.
1384 * passes.c (init_optimization_passes): Schedule
1385 pass_expand_omp after pass_init_datastructures.
1387 * tree-ssa-operands.c (get_expr_operands): Handle
1388 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1389 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1391 2006-01-19 Jeff Law <law@redhat.com>
1393 * tree-vrp.c (extract_range_from_assert): Refine the result range
1394 if the variable referenced by the ASSERT_EXPR has a range and
1395 either the tentative result range or the previous range is a
1398 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1400 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1402 2006-01-19 Jan Hubicka <jh@suse.cz>
1404 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1406 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1408 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1409 (expand_compound_operation, expand_field_assignment): Fail if the
1410 bit lengths of an extract operation are out of range.
1411 (make_extraction): Compute wanted_inner_mode based on the position
1412 and length of the extraction. Make it extraction_mode for non-constant
1413 positions, and do not modify offset in that case. When generating a
1414 new MEM, use a mode that can hold the extraction while keeping correct
1415 alignment. Remove code that supported MEMs wrapped by USEs.
1416 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1418 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1420 * config/s390/s390.md ("Y", "y"): New mode attribute.
1421 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1422 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1423 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1424 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1425 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1426 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1427 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1428 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1429 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1430 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1431 "addsi3", "subsi3"): Insn patterns removed.
1432 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1433 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1434 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1435 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1436 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1437 "*sub<mode>3_cconly2"): New insn patterns.
1438 ("addsi3", "subsi3"): New expanders.
1440 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1442 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1443 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1444 existing STMT_VINFO_VECTYPE if available.
1445 (vect_mark_relevant): Add special handling for stmts that are
1446 marked as STMT_VINFO_IN_PATTERN_P.
1447 (vect_analyze_loop): Call vect_pattern_recog.
1448 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1449 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1451 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1452 (vect_recog_func_ptr): New function-pointer type.
1453 * tree-vect-patterns.c: New file.
1454 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1455 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1456 (vect_pattern_recog_1): New functions.
1457 (vect_pattern_recog_funcs): New array of function pointers.
1459 * tree-vectorizer.h (ternary_op): New enum value.
1460 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1461 declaration. Revised documentation. Removed redundant dump prints.
1462 Removed redundant argument. Added support for reduction patterns.
1463 (vectorizable_reduction): Added support for reduction patterns.
1464 (vect_transform_stmt): Added support for patterns.
1466 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1467 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1468 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1469 (expand_widen_pattern_expr): New function.
1470 (init_optabs): Initialize new optabs udot_prod_optab,
1472 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1473 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1474 (expand_widen_pattern_expr): New function declaration.
1475 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1477 * tree-inline.c (estimate_num_insns_1): Added cases for new
1478 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1479 * tree-pretty-print.c (dump_generic_node): Likewise.
1480 (op_prio): Likewise.
1481 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1482 * tree-ssa-operands.c (get_expr_operands): Added case for
1484 * tree-vect-patterns.c (widened_name_p): New function.
1485 (vect_recog_dot_prod_pattern): Added function implementation.
1486 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1487 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1488 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1489 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1491 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1492 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1493 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1494 (init_optabs): Initialize new optabs widen_ssum_optab,
1496 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1497 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1498 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1499 use instead of type of def.
1500 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1501 function implementation.
1502 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1503 widen_ssumv8hi): New.
1505 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1508 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1511 * c-decl.c (add_flexible_array_elts_to_size): New function.
1512 (finish_decl): Use it.
1514 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1516 * diagnostic.h: Include options.h.
1517 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1518 dependancies for diagnostic.h.
1519 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1521 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1523 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1524 (ssa_ro_call_cache_valid): Ditto.
1525 * tree-ssa-alias.c (sort_tags_by_id): New function.
1526 (init_transitive_clobber_worklist): Ditto.
1527 (add_to_worklist): Ditto.
1528 (mark_aliases_call_clobbered): Ditto.
1529 (compute_tag_properties): Ditto.
1530 (set_initial_properties): Ditto.
1531 (compute_call_clobbered): Ditto.
1532 (compute_may_aliases): Call compute_call_clobbered and grouping.
1533 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1534 (compute_flow_insensitive_aliasing): Grouping now happens in our
1536 (setup_pointers_and_addressables): Remove clobbering related code.
1537 (add_may_alias): Ditto.
1538 (replace_may_alias): Ditto.
1539 (get_nmt_for): Ditto.
1540 (create_global_var):
1541 (is_escape_site): Return an escape_type enumeration.
1542 * tree-flow-inline.h (is_call_clobbered): Global var does not
1543 imply call clobbered.
1544 (mark_call_clobbered): Take a reason for marking this. Remove
1545 marking of globalness, and cache invalidation.
1546 (clear_call_clobbered): Remove cache invalidation code.
1547 * tree-dfa.c (dump_variable): If details is on, dump the reason
1549 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1551 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1552 (struct var_ann_d): Ditto.
1553 (enum escape_type): New.
1554 (mark_call_clobbered): Adjust prototype.
1555 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1556 are never call clobbered.
1557 Record reasons for escaping.
1558 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1559 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1560 (ssa_ro_call_cache_valid): Ditto.
1561 (clobbered_v_may_defs): Ditto.
1562 (clobbered_vuses): Ditto.
1563 (ro_call_vuses): Ditto.
1564 (clobber_stats): New.
1565 (init_ssa_operands): Zero out clobber stats.
1566 (fini_ssa_operands): Print out clobber stats.
1567 (get_call_expr_operands): Pass callee fndecl to
1569 (add_call_clobber_ops): Remove use of cache.
1570 Add use of PURE_CONST information.
1571 (add_call_read_ops): Remove use of cache.
1572 Add use of static not_read information.
1574 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1576 Introduce TLS descriptors for i386 and x86_64.
1577 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1578 (TARGET_ANY_GNU_TLS): New macro.
1579 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1580 (struct machine_function): Add tls_descriptor_call_expanded_p.
1581 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1582 (ix86_current_function_calls_tls_descriptor): Likewise.
1583 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1584 (override_options): Introduce gnu2 tls dialect.
1585 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1587 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1589 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1590 (ix86_init_machine_status): Initialize new field.
1591 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1592 (ix86_tls_module_base): New.
1593 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1594 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1595 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1596 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1597 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1598 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1599 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1600 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1601 * config/i386/predicates.md (tls_modbase_operand): New.
1602 (tp_or_register_operand): New.
1604 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1606 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1607 (look_for_address_of): Ditto.
1608 (ipa_init): Walk the function decls.
1609 (static_execute): Don't set readonly on FUNCTION_DECL's.
1611 2006-01-18 Roger Sayle <roger@eyesopen.com>
1613 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1614 for shifts where the source and destination registers are different.
1616 2006-01-18 Paul Brook <paul@codesourcery.com>
1618 Merge from csl-arm-branch.
1619 2005-03-14 Julian Brown <julian@codesourcery.com>
1620 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1621 (aeabi_llsl): Likewise.
1622 (ashrdi3): Likewise.
1623 (aeabi_lasr): Likewise.
1624 (lshrdi3): Likewise.
1625 (aeabi_llsr): Likewise.
1626 2005-03-10 Julian Brown <julian@codesourcery.com>
1627 * config.gcc: Disable shared libgcc for SymbianOS.
1628 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1630 2006-01-18 DJ Delorie <dj@redhat.com>
1632 * c-pragma.c (handle_pragma_diagnostic): New.
1633 (init_pragma): Register it.
1634 * doc/extend.texi: Document it.
1636 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1637 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1638 (diagnostic_context): Add classify_diagnostic[].
1639 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1640 as errors if they're overridden to DK_WARNING.
1641 (diagnostic_initialize): Initialize classify_diagnostic[].
1642 (diagnostic_set_kind_override): New.
1643 (diagnostic_report_diagnostic): Check for kind changes.
1644 * opts.c (common_handle_option): Take lang_mask. Update callers.
1646 * common.opt (Werror=): New.
1647 * doc/invoke.texi: Document -Werror=*
1649 2006-01-18 Jeff Law <law@redhat.com>
1651 * tree-vrp.c (test_for_singularity): Correct test for new
1652 min limit. Use operand_equal_p rather than pointer equality
1653 for testing if new min/max values are equal.
1655 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1656 using range information until after propagation and folding.
1658 2006-01-18 Richard Henderson <rth@redhat.com>
1659 Aldy Hernandez <aldyh@redhat.com>
1660 Jakub Jelinek <jakub@redhat.com>
1661 Diego Novillo <dnovillo@redhat.com>
1663 * omp-low.c: New file.
1664 * c-omp.c: New file.
1666 2006-01-18 Richard Henderson <rth@redhat.com>
1667 Jakub Jelinek <jakub@redhat.com>
1668 Diego Novillo <dnovillo@redhat.com>
1670 * doc/invoke.texi: Document -fopenmp.
1671 * tree-dump.h (debug_function): Declare.
1672 * hooks.c (hook_bool_tree_bool_false): New function.
1673 (hook_tree_tree_null): Remove.
1674 (hook_tree_tree_tree_null): New.
1675 * hooks.h: Update to match.
1676 * tree-pretty-print.c (debug_tree_chain): New.
1677 (print_generic_expr): Handle TDF_CHAIN.
1678 (dump_generic_node): Handle BLOCK.
1679 Do not abort with incomplete SWITCH_EXPRs.
1680 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1681 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1682 print space after directive name.
1683 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1684 Handle OMP_MASTER and OMP_ORDERED.
1685 Handle printing of OMP_BODY just in one place, goto
1686 dump_omp_body in the rest of OMP_* nodes that have
1688 Don't handle clause nodes here. Update omp statements to
1689 use dump_omp_clauses.
1690 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1691 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1692 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1693 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1694 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1695 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1696 Adjust output for GOMP_PARALLEL.
1697 (dump_omp_clauses): New.
1698 (print_declaration): Dump DECL_VALUE_EXPR.
1699 (op_symbol_1): Split out of op_symbol.
1700 (dumping_stmts): Remove. Update all users.
1701 * cgraph.c (cgraph_analyze_queue): New.
1702 (cgraph_add_new_function): New.
1703 * cgraph.h (cgraph_analyze_queue): Declare.
1704 (cgraph_add_new_function): Declare.
1705 (cgraph_lower_function): Remove.
1706 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1707 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1708 and TYPE_P nodes in its default clause.
1709 (empty_body_p): New.
1710 (tree_range_check_failed): New.
1712 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1713 OMP_CLAUSE_REDUCTION_MERGE,
1714 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1715 OMP_CLAUSE_PRIVATE_DEBUG,
1716 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1717 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1718 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1719 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1720 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1721 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1722 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1723 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1724 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1725 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1726 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1727 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1728 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1729 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1730 (TREE_RANGE_CHECK): New.
1731 (empty_body_p): Declare.
1732 (enum omp_clause_default_kind): New.
1733 (build_string_literal): Declare.
1734 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1735 (build5_stat, build5): Declare.
1736 * tree-pass.h (TDF_CHAIN): Define.
1737 * tree-pass.h (PROP_gimple_lomp): Define.
1738 (pass_lower_omp): Declare.
1739 * diagnostic.h (debug_tree_chain): Declare.
1740 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1742 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1743 * builtins.c (build_string_literal): Make extern.
1744 * gcc.c (include_spec_function): New.
1745 (static_spec_functions): Add it.
1746 (main): Move load of libgomp.spec ...
1747 (LINK_COMMAND_SPEC): ... here.
1748 (link_gomp_spec): New.
1749 (static_specs): Include it.
1750 (LINK_COMMAND_SPEC): Add link_gomp.
1751 (GOMP_SELF_SPECS): New.
1752 (driver_self_specs): Include it.
1753 (switch_matches): Don't mark inline.
1754 (main): Load libgomp.spec.
1755 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1756 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1757 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1758 * tree-gimple.h (enum omp_parallel): Declare.
1759 (determine_parallel_type): Declare.
1760 (omp_firstprivatize_variable): Declare.
1761 (omp_reduction_init): Declare.
1762 (diagnose_omp_structured_block_errors): Declare.
1763 (struct walk_stmt_info): Add want_return_expr.
1764 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1765 (find_omp_clause): Declare.
1766 (insert_field_into_struct): Declare.
1767 (struct walk_stmt_info): Move from tree-nested.c
1768 (walk_stmts): Declare.
1769 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1771 * cgraphunit.c (cgraph_lower_function): Make static.
1772 (cgraph_finalize_pending_functions): New.
1773 (cgraph_finalize_function): Call it.
1774 (cgraph_finalize_compilation_unit): Likewise.
1775 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1776 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1777 (BT_FN_UINT_UINT): New.
1778 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1779 DEF_FUNCTION_TYPE_VAR_4): Document.
1780 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1781 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1782 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1783 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1784 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1785 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1786 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1787 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1788 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1789 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1790 into separate files.
1791 (DEF_GOMP_BUILTIN): New.
1792 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1793 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1794 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1795 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1796 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1797 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1798 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1799 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1800 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1801 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1802 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1803 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1804 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1805 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1806 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1807 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1808 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1809 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1810 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1811 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1812 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1813 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1814 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1815 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1816 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1817 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1818 * sync-builtins.def: New file, moved from builtins.def.
1819 * omp-builtins.def: New file, moved from builtins.def.
1820 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1821 * gimple-low.c (lower_function_body): Clear data.
1822 (lower_stmt): Do not handle COMPOUND_EXPR.
1823 Remove call to print_node_brief.
1824 * c-tree.h (c_finish_omp_clauses): New prototype.
1825 (C_DECL_THREADPRIVATE_P): Define.
1826 (lookup_name_no_remap, c_omp_remap_private): Remove
1827 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1828 (check_for_loop_decls): Update decl.
1829 (lookup_name_no_remap, c_omp_remap_private): Declare.
1830 (build_indirect_ref, build_modify_expr, pushdecl,
1831 pushdecl_top_level): Move to c-common.h.
1832 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1833 before the switch, but just in the 2 places that need it.
1834 * c-decl.c (diagnose_mismatched_decls): Do not check for
1835 mismatched thread-local attributes when OLDDECL is marked
1836 threadprivate and NEWDECL has no thread-local attributes.
1837 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1838 (c_gimple_diagnostics_recursively): Rename from
1839 c_warn_unused_result_recursively. Invoke
1840 diagnose_omp_structured_block_errors.
1841 (check_for_loop_decls): Return a singular decl found.
1842 * langhooks.c (lhd_omp_predetermined_sharing): Return
1843 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1844 (lhd_omp_firstprivatize_type_sizes): New.
1845 (lhd_omp_assignment): New.
1846 (lhd_omp_predetermined_sharing): New.
1847 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1848 (struct lang_hooks_for_types): Add
1849 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1850 omp_predetermined_sharing, omp_disregard_value_expr,
1851 omp_private_debug_clause, omp_clause_default_ctor,
1852 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1853 (c_finish_omp_clauses): New.
1854 (c_finish_bc_stmt): Diagnose break within omp for.
1855 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1856 (build_unary_op): Return error_mark after reporting
1858 (build_modify_expr): Likewise.
1859 * gimplify.c: Include optabs.h and pointer-set.h.
1860 (enum gimplify_omp_var_data): Declare.
1861 (struct gimplify_omp_ctx): Declare.
1862 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1864 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1865 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1866 (splay_tree_compare_decl_uid): New.
1867 (new_omp_context): New.
1868 (delete_omp_context): New.
1869 (gimple_add_tmp_var): Call omp_add_variable.
1870 (gimplify_bind_expr): Likewise.
1871 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1872 true, disregard DECL_VALUE_EXPR on the decl if any.
1873 (gimplify_expr_in_ctx): New.
1874 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1875 omp_add_variable, omp_notice_variable, omp_is_private
1876 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1877 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1878 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1879 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1880 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1881 gimplify_omp_atomic): New.
1882 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1883 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1884 OMP_CRITICAL and OMP_ATOMIC.
1885 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1886 * c-pragma.h (enum pragma_kind): Add
1887 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1888 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1889 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1890 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1891 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1892 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1893 PRAGMA_OMP_THREADPRIVATE.
1894 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1895 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1896 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1897 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1898 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1899 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1900 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1901 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1902 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1903 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1904 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1905 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1906 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1908 (struct nesting_info): Add field_map,
1909 suppress_expansion, debug_var_chain.
1910 (create_nesting_tree): Initialize them.
1911 (lookup_field_for_decl): Use field_map.
1912 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1913 (convert_local_omp_clauses): New.
1914 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1915 (walk_body): Split out of walk_function.
1916 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1917 (convert_nonlocal_reference): Handle omp statements.
1918 (convert_local_reference): Likewise.
1919 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1920 (unnest_nesting_tree): New.
1921 (lower_nested_functions): Call it.
1922 (insert_field_into_struct): Make extern.
1923 (struct walk_stmt_info): Move to tree-gimple.h.
1924 (walk_stmts): Make extern.
1925 * omp-builtins.def: New file.
1926 * tree-iterator.c (expr_only): Clarify comment.
1927 * c-common.h (pushdecl_top_level, pushdecl,
1928 build_modify_expr, build_indirect_ref,
1929 c_finish_omp_master, c_finish_omp_critical,
1930 c_finish_omp_ordered, c_finish_omp_barrier,
1931 c_finish_omp_atomic, c_finish_omp_flush,
1932 c_finish_omp_for, c_split_parallel_clauses,
1933 omp_clause_default_kind, c_omp_sharing_predetermined,
1934 c_omp_remap_decl): Declare.
1935 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1936 (OBJS-common): Add omp-low.o.
1937 (c-omp.o, omp-low.o): Add.
1938 (gimplify.o): Add dependency on $(OPTABS_H).
1939 (GTFILES): Add omp-low.c.
1940 (gt-stringpool.h): Add.
1941 * tree-cfg.c (set_bb_for_stmt): Do not update the
1942 block-to-labels map if we are currently expanding to RTL.
1943 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1945 Handle IDENTIFIER_NODE.
1946 (tree_verify_flow_info): Do not ICE when emitting error
1947 messages about invalid labels.
1948 (dump_function_to_file): Reset CFUN before emitting the body
1950 (debug_function): New.
1951 * passes.c (init_optimization_passes): Schedule
1953 * langhooks-def.h (lhd_omp_predetermined_sharing,
1954 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1956 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1957 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1958 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1959 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1960 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1961 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1962 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1963 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1964 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1965 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1966 (LANG_HOOK_DECLS): Use them.
1968 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1969 Richard Henderson <rth@redhat.com>
1970 Jakub Jelinek <jakub@redhat.com>
1971 Diego Novillo <dnovillo@redhat.com>
1973 * c-parser.c (pragma_omp_clause): Define.
1974 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1975 (c_parser_compound_statement): Likewise.
1976 (c_parser_statement): Likewise.
1977 (c_parser_pragma): Handle omp pragmas.
1978 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1979 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1980 (c_parser_omp_clause_name, check_no_duplicate_clause,
1981 c_parser_omp_variable_list,
1982 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1983 c_parser_omp_clause_copyprivate,
1984 c_parser_omp_clause_default,
1985 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1986 c_parser_omp_clause_lastprivate,
1987 c_parser_omp_clause_nowait,
1988 c_parser_omp_clause_num_threads,
1989 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1990 c_parser_omp_clause_reduction,
1991 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1992 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1993 c_parser_omp_atomic, c_parser_omp_barrier,
1994 c_parser_omp_critical, c_parser_omp_flush,
1995 c_parser_omp_for_loop, c_parser_omp_for,
1996 c_parser_omp_master, c_parser_omp_ordered,
1997 c_parser_omp_sections_scope, c_parser_omp_sections,
1998 c_parser_omp_parallel, c_parser_omp_single,
1999 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2000 * c-pragma.c (init_pragma): Do omp pragma registration here.
2001 * c.opt (fopenmp): New flag.
2003 2006-01-18 Eric Christopher <echristo@apple.com>
2005 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2006 * config/darwin.h (GOMP_SELF_SPECS): Define.
2008 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2010 * rtl.h: Remove the prototype for reg_alloc.
2012 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2015 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2016 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2017 sjlj and dwarf2 exception handling.
2018 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2019 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2020 * pa/pa.c (function_value): Treat complex and vector types as
2022 (function_arg): Likewise. Only pass scalar floats in the floating
2023 point argument registers.
2024 * pa/t-slibgcc-dwarf-ver: New file.
2025 * pa/t-slibgcc-sjlj-ver: New file.
2026 * pa/t-slibgcc-elf-ver: Delete file.
2028 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2030 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2031 unlikely_test_section_p test.
2033 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2035 * mode-switching.c (optimize_mode_switching): Make it static.
2036 * basic-block.h: Remove the prototype for
2037 optimize_mode_switching.
2039 * modulo-sched.c (sms_schedule): Make it static.
2040 * rtl.h: Remove the prototype for sms_schedule.
2042 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2043 * rtl.h: Remove the prototype for gcse_after_reload_main.
2045 * reg-stack.c (reg_to_stack): Make it static.
2046 * rtl.h: Remove the prototype for reg_to_stack.
2048 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2050 * rtl.h: Remove the prototypes for regrename_optimize and
2051 copyprop_hardreg_forward.
2053 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2055 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2056 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2057 Test against the appropriate null constant for the mode.
2058 If 'fixup_overlap' is true, swap the operands if they overlap.
2059 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2060 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2061 alpha_split_tmode_pair and adjust for above change.
2062 * config/alpha/alpha.md (movtf_internal): Adjust call to
2063 alpha_split_tfmode_pair and rely on it to swap the operands.
2064 (movti_internal): New insn and post-reload splitter.
2065 (movti): New expander.
2067 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2069 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2072 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2074 * rtlanal.c (global_reg_mentioned_p_1,
2075 global_reg_mentioned_p): Remove.
2076 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2078 * flow.c (initialize_uninitialized_subregs): Make it static.
2079 * rtl.h: Remove the prototype for
2080 initialize_uninitialized_subregs.
2082 * function.c (instantiate_virtual_regs): Make it static.
2083 * function.h: Remove the prototype for
2084 instantiate_virtual_regs.
2086 * regmove.c (regmove_optimize, combine_stack_adjustments):
2088 * rtl.h: Remove the prototypes for regmove_optimize and
2089 combine_stack_adjustments.
2091 2006-01-17 Roger Sayle <roger@eyesopen.com>
2093 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2094 (size_cost): Encode costs in bytes so that a reg-reg addition is
2095 equivalent to COSTS_N_INSNS(1).
2096 (override_options): Use the size_cost.branch_cost as the default
2097 ix86_branch_cost when optimizing for size.
2099 2006-01-18 Ben Elliston <bje@au.ibm.com>
2101 * Makefile.in (D32PBIT_FUNCS): New.
2102 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2103 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2104 D64PBIT_FUNCS and D128PBIT_FUNCS.
2105 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2106 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2108 (decnumber_dep): Define.
2109 * doc/libgcc.texi (Decimal float library routines): New node.
2110 * config/dfp-bit.h, config/dfp-bit.c: New files.
2112 2006-01-18 Ben Elliston <bje@au.ibm.com>
2114 * expr.c (emit_move_change_mode): Always adjust addresses, not
2115 just during reload. Copy replacements only during reload.
2116 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2117 emit_move_via_integer.
2119 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2121 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2122 instead of $(srcdir) and ${srcdir}.
2124 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2128 * arm.h (struct machine_function): Add pic_reg.
2129 * arm.c (arm_pic_register): Make unsigned.
2130 (arm_override_options): Only set arm_pic_register if
2131 TARGET_SINGLE_PIC_BASE.
2132 (use_return_insn): Only test for a pic register if it is fixed.
2133 (arm_compute_save_reg0_reg12_mask): Likewise.
2134 (thumb_compute_save_reg_mask): Likewise.
2135 (legitimate_pic_operand): Factor out some known invariants.
2136 (legitimize_pic_address): If we don't have a fixed pic register,
2137 then set up a pseudo in the function entry sequence. Handle the
2138 pic base being in a pseudo.
2139 (arm_load_pic_register): Handle the pic register being in a pseudo.
2140 (arm_expand_prologue): Only set up the pic register if it is fixed.
2141 (thumb_expand_prologue): Likewise.
2142 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2143 (pic_load_addr_based_insn): Likewise.
2144 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2147 2006-01-18 Ben Elliston <bje@au.ibm.com>
2149 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2150 decimal float modes for all floating point registers.
2152 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2153 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2155 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2158 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2159 even when the pointer is not NULL.
2161 2006-01-16 Ian Lance Taylor <ian@airs.com>
2163 * common.opt (ftoplevel-reorder): New option.
2164 * cgraph.c (cgraph_asm_nodes): New global variable.
2165 (cgraph_asm_last_node): New static variable.
2166 (cgraph_order): New global variable.
2167 (cgraph_create_node): Set new order field.
2168 (cgraph_varpool_node): Likewise.
2169 (decide_is_variable_needed): Return true if not
2170 flag_toplevel_reorder.
2171 (cgraph_add_asm_node): New function.
2172 * cgraph.h (struct cgraph_node): Add order field.
2173 (struct cgraph_varpool_node): Add order field.
2174 (struct cgraph_asm_node): Define.
2175 (cgraph_asm_nodes, cgraph_order): Declare.
2176 (cgraph_add_asm_node): Declare.
2177 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2179 (cgraph_varpool_assemble_pending_decls): Call it.
2180 (cgraph_output_pending_asms): New static function.
2181 (cgraph_finalize_compilation_unit): Call it.
2182 (struct cgraph_order_sort): Define.
2183 (cgraph_output_in_order): New static function.
2184 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2185 !flag_toplevel_reorder case.
2186 * c-parser.c: Include "cgraph.h".
2187 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2189 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2190 than -fno-unit-at-a-time.
2191 * doc/invoke.texi (Option Summary): Mention
2192 -fno-toplevel-reorder.
2193 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2194 -funit-at-a-time documentation.
2196 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2197 Kazu Hirata <kazu@codesourcery.com>
2199 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2201 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2203 * Makefile.in (FUNCTION_H): New. Use it instead of
2204 function.h throughout the file.
2205 * function.h: Include tree.h.
2207 2006-01-17 Ben Elliston <bje@au.ibm.com>
2209 * recog.c: Separate some functions with whitespace.
2211 2006-01-16 Richard Henderson <rth@redhat.com>
2213 Merge from gomp branch:
2214 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2215 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2216 and rename from struct inline_data. Rename callee* to dst*;
2217 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2218 transform_new_cfg, transform_return_to_modify, and
2219 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2221 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2222 (copy_decl_for_dup): Remove.
2223 * tree-inline.c (struct inline_data): Move to header.
2224 (insert_decl_map): Export.
2225 (remap_decl): Update for member name changes. Use copy_decl hook.
2226 Allow for replacement to be a non-decl. Remove dead code.
2227 (remap_type_1): Check for existing mapping.
2228 (remap_type): Export.
2229 (remap_decls): Update for member name changes.
2230 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2231 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2232 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2233 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2234 (tree_function_versioning, build_duplicate_type): Likewise.
2235 (copy_body_r): Likewise. Export.
2236 (copy_decl_for_dup): Split into ...
2237 (copy_decl_for_dup_finish, copy_decl_to_var,
2238 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2239 (replace_ref_tree, inlining_p): Remove.
2241 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2243 * ifcvt.c (if_convert): Make it static.
2244 * rtl.h: Remove the prototype for if_convert.
2246 * local-alloc.c (local_alloc): Make it static.
2247 * rtl.h: Remove the prototype for local_alloc.
2249 * loop.c (loop_optimize): Make it static.
2250 * cfgloop.h: Remove the prototype for loop_optimize.
2253 2006-01-16 DJ Delorie <dj@redhat.com>
2255 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2258 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2260 * pa.md: Disparage copies between general and floating-point registers
2261 in 32-bit move patterns.
2263 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2266 * Makefile.in (check-%): Depend on site.exp instead of
2267 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2270 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2272 * global.c (global_alloc): Make it static.
2273 * rtl.h: Remove the prototype for global_alloc.
2275 2006-01-16 Richard Guenther <rguenther@suse.de>
2277 * tree-ssa-alias.c (struct used_part): Add write_only field.
2278 (get_or_create_used_part_for): Initialize it to true.
2279 (create_overlap_variables_for): Don't create structure variables
2280 for structures that only are written to.
2281 (find_used_portions): Handle MODIFY_EXPR to track whether a
2282 structure is only written to.
2284 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2286 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2288 * basic-block.h: Remove the prototype for
2289 partition_hot_cold_basic_blocks.
2291 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2293 * cppspec.c (lang_specific_spec_functions): Remove.
2294 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2295 * gcc.h (lang_specific_spec_functions): Remove.
2296 * gccspec.c (lang_specific_spec_functions): Remove.
2298 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2300 * combine.c (record_value_for_reg): Invalidate registers
2302 (record_dead_and_set_regs_1): Likewise, by passing them to
2303 record_value_for_reg.
2304 (record_dead_and_set_regs): Invalidate stores made by a
2305 call. We do not combine across a call, but we still
2306 relied on equivalences.
2308 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2310 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2311 vrp_int_const_binop returning non-constant nodes.
2313 2006-01-16 Paul Brook <paul@codesourcery.com>
2315 * config/m68k/m68k.c (output_move_const_into_data_reg):
2316 Output correct mnemonic for mvz and mvs.
2318 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2320 * rtl-factoring.c: Add sequence abstraction algorithm.
2321 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2322 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2324 (block_has_preserve_label): New function.
2325 * common.opt: Register new pass.
2326 * Makefile.in: Ditto.
2328 * timevar.def: Ditto.
2329 * tree-pass.h: Ditto.
2330 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2331 * rtl.h (make_jump_insn_raw): Add forward decl.
2332 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2334 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2335 Roger Sayle <roger@eyesopen.com>
2337 * fold-const.c (fold_minmax): New static function.
2338 (fold_binary) <MIN_EXPR>: Call it.
2339 <MAX_EXPR>: Likewise.
2340 * stor-layout.c (place_field): Use DECL_SIZE consistently
2341 in the computation of the new record size.
2343 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2345 * cse.c (cse_condition_code_reg): Make it static.
2346 * rtl.h: Remove the prototype for cse_condition_code_reg.
2348 * combine.c (combine_instructions): Make it static.
2349 * rtl.h: Remove the prototype for combine_instructions.
2351 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2354 * tree.c (get_file_function_name_long): Concatenate the first global
2355 object name with a string derived from the input filename of the object
2358 2006-01-16 Ben Elliston <bje@au.ibm.com>
2360 * config/i386/winnt-stubs.c: Update FSF address.
2361 * config/xtensa/ieee754-df.S: Ditto.
2362 * config/xtensa/ieee754-sf.S: Ditto.
2364 2006-01-14 Ian Lance Taylor <ian@airs.com>
2366 * ifcvt.c (noce_init_if_info): New static function, broken out of
2367 noce_process_if_block.
2368 (noce_process_if_block): Call noce_init_if_info.
2369 (check_cond_move_block): New static function.
2370 (cond_move_process_if_block): New static function.
2371 (process_if_block): Call cond_move_process_if_block.
2373 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2375 * cselib.c (hash_table): Rename to cselib_hash_table.
2376 (cselib_clear_table, discard_useless_values,
2377 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2378 cselib_init, cselib_finish): Adjust uses of hash_table.
2380 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2382 PR tree-optimization/25485
2383 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2384 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2385 is known to be false and true, respectively.
2387 2006-01-14 Richard Guenther <rguenther@suse.de>
2389 PR tree-optimization/22548
2390 PR tree-optimization/22555
2391 PR tree-optimization/22501
2392 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2393 * params.def (salias-max-array-elements): New parameter.
2394 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2395 * doc/invoke.texi (salias-max-array-elements): Document.
2396 * tree-flow-inline.h (var_can_have_subvars): We also handle
2398 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2400 * tree-ssa-structalias.c (params.h): Include.
2401 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2402 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2403 (get_constraint_for): For ADDR_EXPR operating on something
2404 containing an ARRAY_REF, add all subvars to the solution.
2405 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2406 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2407 for creating MUST_DEFs.
2408 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2410 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2412 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2414 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2415 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2416 number_of_iterations_le): New functions.
2417 (number_of_iterations_special): Removed.
2418 (number_of_iterations_exit): Do not use number_of_iterations_special.
2419 * tree.c (unsigned_type_for): Always return integer type.
2421 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2422 Richard Guenther <rguenther@suse.de>
2424 PR rtl-optimization/24257
2425 * gcse.c (find_moveable_store): Only consider a store movable
2426 when the SET_SRC of the insn can be assigned to a register.
2428 2006-01-14 Ian Lance Taylor <ian@airs.com>
2430 * tree.c (tree_not_class_check_failed): New function.
2431 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2432 (tree_not_class_check_failed): Declare.
2434 2006-01-13 Ian Lance Taylor <ian@airs.com>
2436 * reload1.c (do_output_reload): Add assertion rejecting a
2439 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2441 * combine.c (struct reg_stat): Add new fields truncation_label and
2443 (record_value_for_reg): Reset truncated_to_mode.
2444 (record_truncated_value): New function.
2445 (check_promoted_subreg): Call it. Rename to check_conversions.
2446 (combine_instructions): Rename check_promoted_subreg to
2448 (reg_truncated_to_mode): New function.
2449 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2450 (gen_lowpart_or_truncate): New function.
2451 (force_to_mode): Use it instead of gen_lowpart.
2453 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2455 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2456 VAR is a tag, not its type tag.
2458 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2460 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2461 alternatives to match style of other entries.
2462 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2464 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2466 PR tree-optimization/25771
2467 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2470 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2473 * tree-inline.c (declare_return_variable): If the return variable
2474 was marked as a non gimple complex, set the return slot variable
2475 to be a non gimple comple variable.
2477 2006-01-13 Richard Guenther <rguenther@suse.de>
2479 * builtins.c (expand_builtin_sincos): New function.
2480 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2482 (expand_builtin): Expand sincos using expand_builtin_sincos.
2484 2006-01-12 DJ Delorie <dj@redhat.com>
2486 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2487 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2488 so that constant shifts can be split.
2489 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2490 (m32c_valid_pointer_mode): Make static.
2491 (shift_gen_func_for): New.
2492 (m32c_prepare_shift): Use it. Split large const shifts into
2494 * config/m32c/predicates.md (shiftcount_operand): Allow more
2496 (longshiftcount_operand): New.
2497 * doc/md.texi (Machine Constraints): Document In6.
2499 2006-01-13 Ben Elliston <bje@au.ibm.com>
2501 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2502 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2505 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2507 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2508 to try to avoid clobbering pieces of structures when we know
2509 something about the whole structure.
2510 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2512 2006-01-13 Ben Elliston <bje@au.ibm.com>
2514 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2515 return in memory, as this is no limitation is no longer present.
2517 2006-01-12 DJ Delorie <dj@redhat.com>
2519 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2520 mova with fb, and for fb+0 -> An.
2522 * config/m32c/mov.md (peephole2): Fix enabling logic.
2524 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2525 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2526 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2527 FINI_ARRAY_SECTION_ASM_OP): Define.
2529 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2531 (m32c_legitimize_reload_address): New logic to reload FB to An.
2532 (m32c_output_reg_push): Add newline.
2533 (m32c_output_reg_pop): Likewise.
2535 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2537 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2539 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2541 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2543 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2545 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2548 2006-01-11 Ben Elliston <bje@au.ibm.com>
2550 * rtlanal.c (find_reg_note): Assert insn is not null.
2552 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2554 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2557 2006-01-11 Jeff Law <law@redhat.com>
2559 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2561 (mark_threaded_blocks, register_jump_thread): New functions.
2562 (thread_through_all_blocks): Remove unwanted argument. No
2563 longer rely on e->aux to communicate thread target info.
2564 Call mark_threaded_blocks. Release the threaded_blocks
2565 bitmap and threaded_edges vector when complete.
2566 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2567 (threaded_blocks): Remove.
2568 (tree_ssa_dominator_optimize): Remove initialization and
2569 finalization of threaded_blocks. Simplify call to
2570 thread_through_all_blocks.
2571 (thread_across_edge): Call register_jump_thread rather than
2572 storing thread information into e->aux.
2573 (free_all_edge_infos): Simplify now that e->aux is no longer
2574 used to communicate with thread_through_all_blocks.
2575 * tree-flow.h (thread_through_all_blocks): Update prototype.
2576 (register_jump_thread): Prototype.
2578 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2580 * df-core.c (df_compact_blocks, df_bb_replace): Use
2581 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2583 2006-01-11 Richard Guenther <rguenther@suse.de>
2585 PR tree-optimization/25734
2586 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2587 stop propagation after successful propagation to the LHS.
2589 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2591 * basic-block.h (control_flow_graph): Change the type of
2592 x_basic_block_info to VEC(basic_block,gc) *.
2593 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2595 (SET_BASIC_BLOCK): New.
2596 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2597 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2598 * cfgbuild.c (find_basic_blocks): Likewise.
2599 * cfglayout.c (fixup_reorder_chain): Likewise.
2600 * cfgrtl.c (create_basic_block_structure,
2601 rtl_create_basic_block): Likewise.
2602 * ifcvt.c (find_if_case_1): Likewise.
2603 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2606 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2608 * Makefile.in: Removed rotted odf.c entry.
2610 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2613 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2614 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2615 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2616 output pattern modifier, not %e.
2617 * config/cris/cris.c (cris_op_str): Update comment about pattern
2619 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2620 before falling through into...
2621 <case 'E'>: Redefined from old 'e' case.
2623 2006-01-11 Jan Hubicka <jh@suse.cz>
2626 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2628 2006-01-11 Jan Hubicka <jh@suse.cz>
2630 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2631 * i386.c (x86_decompose_lea): Kill.
2632 (ix86_rtx_costs): Kill.
2634 2006-01-11 Jan Hubicka <jh@suse.cz>
2636 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2637 * cgraph.h (cgraph_node): Add inline_decl.
2638 (cgraph_insert_node_to_hashtable): Declare.
2639 (save_inline_function_body): Declare.
2640 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2642 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2643 (cgraph_function_versioning): Update call of tree_function_versioning.
2644 (save_inline_function_body): New function.
2645 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2646 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2647 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2648 (cgraph_default_inline_p): Likewise.
2649 (cgraph_decide_inlining_incrementally): Likewise.
2650 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2651 (copy_bb): Kill saving; do updating of clones.
2652 (copy_cfg_body): Kill saving.
2653 (initialize_inlined-parameters): Likewise.
2654 (expand_call_inline): Likewise.
2656 (tree_function_versioning): New parameter "update_clones".
2657 (inlining_p): Kill saving.
2658 * tree-inline.h (tree_function_versioning): Update prototype.
2659 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2662 2006-01-11 Ian Lance Taylor <ian@airs.com>
2664 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2665 Allow undoing set of machine mode.
2666 (do_SUBST): Use enums instead of is_int.
2667 (do_SUBST_MODE): New function.
2668 (SUBST_MODE): New macro.
2669 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2670 reg and trying to replace reg_regno_rtx with a new register.
2671 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2672 (simplify_set): Use SUBST_MODE.
2673 (distribute_notes): Remove code that tried to update reg notes
2674 for regno_reg_rtx changes.
2676 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2678 PR tree-optimization/23109
2679 PR tree-optimization/23948
2680 PR tree-optimization/24123
2682 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2683 * tree-cfg.c (single_noncomplex_succ): New.
2684 * tree-flow.h (single_noncomplex_succ): Declare it.
2685 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2686 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2687 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2688 insert_bb, register_division_in, insert_reciprocals,
2689 replace_reciprocal, free_bb): New.
2690 (execute_cse_reciprocals_1): Rewritten.
2691 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2692 Do not commit any edge insertion. Always compute dominators and
2693 create the allocation pool.
2694 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2695 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2696 * targhooks.c (default_min_divistions_for_recip_mul): New.
2697 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2698 * passes.c (init_optimization_passes): Run recip after tree loop
2700 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2702 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2703 Kenneth Zadeck <zadeck@naturalbridge.com>
2705 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2706 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2707 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2708 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2709 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2710 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2711 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2712 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2713 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2714 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2715 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2716 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2717 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2718 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2719 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2720 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2721 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2722 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2723 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2724 DF_SCAN_POST_ALLOC): New macros.
2725 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2726 df_free_bb_function, df_local_compute_function, df_init_function,
2727 df_dataflow_function, df_confluence_function_0,
2728 df_confluence_function_n, df_transfer_function,
2729 df_finalizer_function, df_free_function, df_dump_problem_function,
2730 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2731 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2732 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2733 df_urec_bb_info, ) New types.
2734 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2736 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2737 df_analyze_simple_change_some_blocks,
2738 df_analyze_simple_change_one_block, df_compact_blocks,
2739 df_bb_replace, df_bb_regno_last_use_find,
2740 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2741 df_insn_regno_def_p, df_find_def, df_find_use,
2742 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2743 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2744 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2745 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2746 debug_df_chain, df_get_dependent_problem, df_chain_create,
2747 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2748 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2749 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2750 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2751 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2752 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2753 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2754 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2755 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2756 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2757 df_reorganize_refs, df_set_state, df_hard_reg_init,
2758 df_read_modify_subreg_p) New public functions.
2759 * df-core.c: The core dataflow solver and glue routines for rtl
2761 (df_init, df_add_problem, df_set_blocks, df_finish,
2762 df_hybrid_search_forward, df_hybrid_search_backward,
2763 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2764 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2765 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2766 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2767 df_reg_defined, df_find_use, df_reg_used, df_dump,
2768 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2769 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2770 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2771 debug_df_useno, reset_df_after_reload): New functions.
2772 * df-scan.c: The scanning fuctions, once in df.c, completely
2773 rewritten so that they now fully model the functionality of
2774 register usage at the backend.
2775 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2776 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2777 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2778 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2779 df_get_artificial_defs, df_get_artificial_uses,
2780 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2781 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2782 df_refs_delete, df_reorganize_refs, df_set_state,
2783 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2784 df_def_record_1, df_defs_record, df_uses_record,
2785 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2786 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2787 df_record_exit_block_uses, df_hard_reg_init): New functions.
2789 * df-problems.c: Seven concrete dataflow problems that use the
2790 scanning in df-scan.c and are solved by the engine in df-core.c.
2791 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2792 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2793 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2794 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2795 df_ru_free_bb_info, df_ru_alloc,
2796 df_ru_bb_local_compute_process_def,
2797 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2798 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2799 df_ru_transfer_function, df_ru_free, df_ru_dump,
2800 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2801 df_rd_free_bb_info, df_rd_alloc,
2802 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2803 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2804 df_rd_transfer_function, df_rd_free, df_rd_dump,
2805 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2806 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2807 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2808 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2809 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2810 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2811 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2812 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2813 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2814 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2815 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2816 df_urec_mark_reg_use_for_earlyclobber,
2817 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2818 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2819 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2820 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2821 df_chain_create_bb_process_use, df_chain_create_bb,
2822 df_chain_finalize, df_chain_free, df_chains_dump,
2823 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2824 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2825 df_reg_lifetime): New functions.
2826 * df.c: Deleted file.
2827 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2828 consistent with new df api.
2829 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2830 rest_of_handle_sms): Ditto.
2831 * web.c (unionfind_union, union_defs, entry_register, web_main):
2833 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2834 invariant_expr_equal_p, find_defs, check_dependencies,
2835 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2836 free_inv_motion_data, move_loop_invariants): Ditto.
2837 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2838 Update dependencies.
2839 (odf.c): Added defective entry that was deleted later in day.
2840 * sched-deps.c (sched_analyze_1): Ditto.
2842 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2844 * tree-ssa-operands.c (get_expr_operands): Record addressable
2845 variables directly. Do not call add_stmt_operands for CONST_DECLs
2847 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2848 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2850 2006-01-11 Ben Elliston <bje@au.ibm.com>
2852 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2853 function returns true in the positive case.
2855 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2858 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2859 for SI, DI, SF and DF modes. Add alternatives to copy between
2860 general and floating point registers to the 32-bit patterns.
2861 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2862 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2863 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2864 generating 64-bit code.
2865 * config/pa/pa.c (output_move_double): Handle copies between general
2866 and floating registers.
2868 2006-01-10 Stuart Hastings <stuart@apple.com>
2870 * config/i386/i386.md (set_got): Update.
2871 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2872 (builtin_setjmp_receiver): Mach-O support.
2873 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2874 (GOT_SYMBOL_NAME): Define.
2875 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2876 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2877 * config/i386/i386.c (override_options): Revise for Darwin.
2878 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2879 support. (darwin_x86_file_end): New. (output_set_got): Add label
2880 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2881 * config/i386/i386-protos.h (output_set_got): Likewise.
2882 * config/darwin.c (machopic_legitimize_pic_address): Update
2885 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2887 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2888 when MODE isn't BLKmode.
2890 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2892 PR rtl-optimization/25367
2893 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2895 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2898 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2899 for a negative bound.
2901 2006-01-10 Richard Guenther <rguenther@suse.de>
2903 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2904 Never override with anything constraint.
2906 2006-01-10 Jan Beulich <jbeulich@novell.com>
2908 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2909 256 bits when optimize_size.
2911 2006-01-10 Jan Beulich <jbeulich@novell.com>
2913 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2915 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2916 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2919 2006-01-10 Ben Elliston <bje@au.ibm.com>
2921 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2923 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2924 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2925 (USE_FP_FOR_ARG): Reject decimal float modes.
2926 (function_arg_advance): Likewise.
2927 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2928 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2929 point types in AltiVec vectors.
2930 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2931 (rs6000_libcall_value): Likewise.
2933 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2935 * config/xtensa/ieee754-df.S: New file.
2936 * config/xtensa/ieee754-sf.S: New file.
2937 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2938 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2939 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2941 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2943 * config/sh/predicates.md (binary_float_operator,
2944 binary_logical_operator, commutative_float_operator,
2945 equality_comparison_operator, greater_comparison_operator,
2946 less_comparison_operator, logical_operator,
2947 noncommutative_float_operator, shift_operator,
2948 symbol_ref_operand, unary_float_operator): Remove redundant
2951 2006-01-09 Jeff Law <law@redhat.com>
2953 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2954 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2955 now unused arguments. Callers updated.
2956 (eliminate_redundant_computations): Remove now unused arguments,
2958 (local_fold): Remove, no longer used.
2959 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2961 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2962 (simplify_cond): New function.
2963 (forward_propagate_into_cond): Call simplify_cond.
2965 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2967 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2968 (*vec_extractv2di_1_sse): New.
2970 2006-01-09 Ben Elliston <bje@au.ibm.com>
2972 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2974 2006-01-08 Richard Guenther <rguenther@suse.de>
2976 * tree-ssa-structalias.c (get_constraint_for): Remove
2978 (get_constraint_for_component_ref): Likewise.
2979 (do_deref): Likewise.
2980 (get_constraint_for): Likewise.
2981 (do_structure_copy): Likewise.
2982 (handle_ptr_arith): Likewise.
2983 (find_func_aliases): Likewise. Remove unused need_anyoffset
2986 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2987 Kaz Kojima <kkojima@gcc.gnu.org>
2989 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2990 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2991 (EXTRA_CONSTRAINT_C16): Remove.
2992 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2993 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2994 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2995 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2996 constants of SHmedia. Handle nested constant expressions of
2998 (andcosts): Fix the costs for SHmedia constants.
2999 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3000 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3001 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3002 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3003 (movv4hi_i, movv2si_i): Likewise.
3004 (movsi_const): Adjust the second operand of ior so to match with
3006 (movdi_const, movdi_const_32bit): Likewise.
3007 (movdi_const_16bit+1): Don't sign-extend LOW.
3008 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3010 (*double_shori): Fix the split condition. Use GEN_INT instead
3011 of get_int_mode calls. Mask lower 16-bit of the argument of
3013 (sym2GOTPLT): Remove.
3014 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3016 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3017 instead of EXTRA_CONSTRAINT_C16.
3019 2006-01-07 Ian Lance Taylor <ian@airs.com>
3020 David Edelsohn <edelsohn@gnu.org>
3022 PR rtl-optimization/25662
3023 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3024 for constant operands instead of simplify_gen_binary.
3025 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3026 after trying simplify_binary_operation
3028 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3030 * tree.c (iterative_hash_expr): Hash decls based on UID.
3032 2006-01-06 Eric Christopher <echristo@apple.com>
3034 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3035 (TARGET_UNWIND_EMIT): Fix spelling.
3036 * target.h (gcc_target): Add except_table_label.
3037 * except.c (output_function_exception_table): Use.
3038 * varasm.c (default_emit_except_table_label): New.
3039 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3041 (asm_out): Add here.
3042 * output.h (default_emit_except_table_label): Prototype.
3043 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3044 * config/darwin.c (darwin_emit_except_table_label): Define.
3045 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3047 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3049 PR tree-optimization/18527
3050 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3051 number_of_iterations_special, number_of_iterations_exit):
3052 Move base and step of an iv to a single structure. Add
3053 no_overflow flag, and use it in # of iterations analysis.
3054 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3055 folded_casts argument.
3056 (simple_iv): Pass base and step in a structure. Set no_overflow
3058 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3059 Evaluate expensiveness of computing # of iterations instead of
3060 the final expression.
3061 * tree-scalar-evolution.h (affine_iv): New structure.
3062 (simple_iv): Declaration changed.
3063 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3064 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3065 find_givs_in_stmt): Changed due to simple_iv change.
3067 2006-01-06 Jeff Law <law@redhat.com>
3070 * tree-cfg.c (bsi_replace): Rename final argument from
3071 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3072 change (stmt -> orig_stmt).
3073 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3074 (bsi_remove): Add new argument. Remove EH information
3076 (verify_eh_throw_table_statements): New function.
3077 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3079 * tree-optimize.c (execute_free_cfg_annotations): Verify
3080 the EH throw statement table after removing annotations.
3081 * except.h (verify_eh_throw_table_statements): Prototype.
3082 * tree-flow.h (bsi_remove): Update prototype.
3083 * tree-vrp.c (remove_range_assertions): Add new argument to
3085 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3086 * tree-complex.c (expand_complex_div_wide): Likewise.
3087 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3088 * tree-tailcall.c (eliminate_tailcall): Likewise.
3089 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3090 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3091 * tree-nrv.c (tree_nrv): Likewise.
3092 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3093 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3094 (combine_blocks): Likewise.
3095 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3096 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3097 (cleanup_control_flow): Likewise.
3098 (remove_forwarder_block): Likewise.
3099 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3100 * tree-sra.c (sra_replace): Likewise.
3101 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3102 (forward_propagate_single_use_vars): Likewise.
3103 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3104 * tree-inline.c (expand_call_inline): Likewise.
3105 * tree-vect-transform.c (vect_transform_loop): Likewise.
3106 * tree-outof-ssa.c (rewrite_trees): Likewise.
3107 * tree-cfg.c (make_goto_expr_edges): Likewise.
3108 (cleanup_dead_labels): Likewise.
3109 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3110 (bsi_move_before, bsi_move_after): Likewise.
3111 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3112 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3114 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3117 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3119 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3120 on non gimple variables. Also add checks at the top for decls and
3122 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3124 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3125 and IMAGPART_EXPR for creating MUST_DEFs.
3126 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3127 and NAME_MEMORY_TAG separately from the DECLs.
3129 2006-01-06 Richard Guenther <rguenther@suse.de>
3131 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3132 annotation, if necessary.
3133 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3134 redundant calls to update_stmt.
3135 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3138 2006-01-05 Richard Henderson <rth@redhat.com>
3140 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3142 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3144 * c-typeck.c: Update copyright date.
3146 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3148 * c-typeck.c (build_c_cast): Always warn when casting
3149 from a pointer to an integer of different size, even if
3150 the node was constant.
3152 2006-01-05 Richard Guenther <rguenther@suse.de>
3154 PR tree-optimization/22555
3155 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3156 if one structure field is an array.
3157 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3158 operands even if we found a subvar, but ignore VOPs in this
3160 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3162 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3164 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3167 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3169 2006-01-05 Richard Guenther <rguenther@suse.de>
3170 Diego Novillo <dnovillo@redhat.com>
3172 * tree-pass.h (TODO_remove_unused_locals): Define.
3173 * gimple-low.c (expand_var_p, remove_useless_vars,
3174 pass_remove_useless_vars): Remove. Update all users.
3175 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3176 (remove_unused_locals): New function.
3177 * tree-flow.h (remove_unused_locals): Declare.
3178 * passes.c (execute_todo): Call remove_unused_locals if
3179 TODO_remove_unused_locals is set.
3180 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3181 * tree-ssa-dce.c (pass_dce): Likewise.
3182 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3184 2006-01-05 Richard Guenther <rguenther@suse.de>
3186 * tree-flow.h (struct fieldoff): Decompose field to
3187 type, size and decl.
3188 * tree-ssa-alias.c (create_sft): Take type as parameter.
3189 (create_overlap_variables_for): Store type, size and decl
3190 in the fieldoff structure.
3191 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3193 (push_fields_onto_fieldstack): Likewise.
3194 (create_variable_info_for): Likewise. Use offset for the
3195 SFT name if the decl is not available.
3197 2006-01-04 Paul Brook <paul@codesourcery.com>
3199 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3201 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3203 * lambda-code.c (can_put_in_inner_loop): Relax
3205 (can_put_after_inner_loop): New function.
3206 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3207 (perfect_nestify): Change to make copies and modify uses.
3209 2006-01-04 Richard Henderson <rth@redhat.com>
3211 Merge from gomp branch:
3212 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3213 via integer constant.
3214 (pragma_lex): Remove.
3215 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3216 rather than parsing it.
3217 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3218 handle_pragma_extern_prefix): Add %< %> quotes.
3219 (registered_pragmas): New.
3220 (c_register_pragma_1): New.
3221 (c_register_pragma): Use it.
3222 (c_register_pragma_with_expansion): Likewise.
3223 (c_invoke_pragma_handler): New.
3224 (init_pragma): Use cpp_register_deferred_pragma directly for
3226 * c-pragma.h (enum pragma_kind): New.
3227 (pragma_handler): New.
3228 (c_invoke_pragma_handler): Declare.
3229 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3231 * c-common.h (c_common_pch_pragma): Update decl.
3232 * Makefile.in (c-parser.o): Update dependencies.
3233 (GTFILES): Add c-pragma.h.
3234 * c-parser.c (struct c_token): Add pragma_kind.
3235 (struct c_parser): Add in_pragma.
3236 (c_lex_one_token): Always initialize keyword and pragma_kind.
3237 Extract data for CPP_PRAGMA.
3238 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3239 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3240 Don't allow CPP_PRAGMA_EOL if in_pragma.
3241 (c_parser_consume_pragma): New.
3242 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3243 (c_parser_skip_to_end_of_parameter): Likewise.
3244 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3245 (c_parser_skip_to_pragma_eol): New.
3246 (c_parser_external_declaration): Handle CPP_PRAGMA.
3247 (c_parser_compound_statement_nostart): Likewise.
3248 (c_parser_statement_after_labels): Likewise.
3249 (c_parser_pragma): New.
3250 (pragma_lex): Likewise.
3251 (c_parser_pragma_pch_preprocess): New.
3252 (c_parser_new): Merge into ...
3253 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3255 2006-01-04 Jeff Law <law@redhat.com>
3258 * tree-cfg.c (bsi_replace): Remove the original statement
3259 from the EH throw statement table.
3261 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3263 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3264 make the prototype extern "C" and add throw ().
3267 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3268 and pos non-negative and pos + len <= 32.
3269 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3270 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3271 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3274 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3275 as well as sizes not multiple of component size.
3278 * function.c (instantiate_expr): New function.
3279 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3280 walk its DECL_VALUE_EXPR with instantiate_expr.
3282 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3283 DW_OP_deref{,_size} if address isn't going to be added.
3285 2006-01-04 Ben Elliston <bje@au.ibm.com>
3287 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3288 * config/fp-bit.c: Likewise.
3290 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3292 * dominance.c: Add comment about why we use DFS numbering
3295 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3296 Richard Henderson <rth@redhat.com>
3298 Merge from gomp-branch:
3299 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3300 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3302 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3304 PR rtl-optimization/25578
3305 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3306 pass a parameter to simplify_shift_const if changing ASHIFTRT
3309 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3311 * builtins.c (get_builtin_sync_mem): New function.
3312 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3313 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3314 Call get_builtin_sync_mem to generate mem rtx.
3316 2006-01-03 Richard Guenther <rguenther@suse.de>
3319 * stmt.c (add_case_node): Make sure to clear overflow flags
3322 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3324 Merge from gomp-branch.
3325 * config/sparc/sync.md: New file.
3326 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3327 UNSPECV_LDSTUB): New constants.
3328 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3329 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3330 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3333 2006-01-03 Roger Sayle <roger@eyesopen.com>
3335 * combine.c (reg_subword_p): New predicate to test whether the
3336 destination of a set refers to a subword/piece of a register.
3337 (try_combine): Generalize the code to merge the setting of a
3338 pseudo to a constant followed by a set of a subword of that
3339 register to a constant.
3341 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3343 * basic-block.h (control_flow_graph): Change the type of
3344 x_label_to_block_map to VEC(basic_block,gc) *.
3345 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3346 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3348 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3349 VEC(basic_block,heap) *.
3350 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3351 ssa_prop_fini): Adjust the uses of cfg_blocks.
3353 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3355 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3357 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3358 hashing trees instead of a pointer hash.
3359 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3360 compare for MEM_EXPR.
3362 PR rtl-optimization/25130
3363 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3364 when comparing MEMs for GCSE
3366 2006-01-03 Ben Elliston <bje@au.ibm.com>
3368 * targhooks.h (default_decimal_float_supported_p): Declare.
3369 * targhooks.c (default_decimal_float_supported_p): Define.
3370 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3371 `default_decimal_float_supported_p'.
3372 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3374 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3376 * combine.c (apply_distributive_law <SUBREG>): Check
3377 TRULY_NOOP_TRUNCATION.
3379 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3381 * dwarf2out.c (have_switched_text_section): Delete.
3382 (have_multiple_function_sections): New.
3383 (have_location_lists): Make 'bool'.
3384 (add_AT_loc_list): Use 'true' not '1'.
3385 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3386 (output_loc_list): Use have_multiple_function_sections.
3387 (output_ranges): Likewise.
3388 (dwarf2out_begin_function): Set have_multiple_function_sections if
3390 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3391 Check function_section rather than DECL_SECTION_NAME.
3392 (dwarf2out_finish): Use have_multiple_function_sections.
3393 Don't clear have_location_lists.
3395 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3396 Jan Hubicka <jh@suse.cz>
3398 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3399 case of conditional jump jumping to the next instruction.
3400 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3401 cases of conditional jump jumping to the next instruction.
3403 2006-01-02 Jan Hubicka <jh@suse.cz>
3405 * i386.c (*_cost): Add COSTS_N_INSNS.
3406 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3408 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3411 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3413 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3415 * config/arm/arm.c (all_fpus): Fix comment typo.
3416 * config/darwin.c: Likewise.
3417 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3418 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3419 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3421 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3423 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3424 (rs6000_split_compare_and_swapqhi): New.
3425 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3426 (sync_compare_and_swapqhi_internal): New.
3427 * config/rs6000/rs6000-protos.h: Declare.
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