1 2006-01-30 Michael Matz <matz@suse.de>
3 * global.c (find_reg): Only evict for global regs.
4 Take n_refs into account and dump more info.
6 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10 (pragma_trap, pragma_nosave_low_regs): Likewise.
11 (current_function_anonymous_args): Likewise.
12 (sh_deferred_function_attributes): New variable.
13 (sh_deferred_function_attributes_tail): Likewise.
14 (print_operand): For '@', look up trap_exit attribute.
15 (calc_live_regs): Look up trapa_handler attribute. For trapa
16 handlers, save/restore fpscr, but don't do any other
17 interrupt-specific saves.
18 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19 Fix check for partially saved registers to check for SHmedia.
20 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
21 (sh_output_function_epilogue): Don't clear any of the removed
23 (sh_insert_attributes): Don't check pragma_interrupt.
24 Insert deferred attributes. Check that interrupt attribute is
25 present for other attributes that require its presence.
26 (sh_attribute_table): Add new attributes trapa_handler and
28 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
29 Don't check for pragma_interrupt. Don't store argument.
30 * sh.h (pragma_interrupt, sp_switch): Don't declare.
31 (sh_deferred_function_attributes): Declare.
32 (sh_deferred_function_attributes_tail): Likewise.
33 * sh.md (sp_switch_1): Add operand. Change generator caller.
34 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
35 (*return_i): Don't use when trap_exit attribute is in effect.
36 (*return_trapa): New insn pattern.
38 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
39 setting c_target_objs and cxx_target_objs.
40 * t-sh: Add rule for sh-c.o.
42 2006-01-30 Richard Guenther <rguenther@suse.de>
45 * gimplify.c (gimplify_target_expr): Handle easy cases
46 without creating a temporary.
48 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
50 * vec.h (safe_grow): Remove duplicated line.
52 2006-01-29 Diego Novillo <dnovillo@redhat.com>
55 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
56 (expand_omp): ... here.
57 (expand_omp_parallel): Only remove barriers for combined
58 parallel+workshare constructs.
60 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
64 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
65 * tree.c (build_qualified_type): Chain the new type to the original
66 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
67 a POINTER_TYPE or a REFERENCE_TYPE respectively.
68 (build_pointer_type_for_mode): Only return unqualified types.
69 (build_reference_type_for_mode): Likewise.
71 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
73 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
74 * Makefile.in (CXX_COMPAT_WARN): Define.
75 * configure: Regenerate.
77 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
80 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
83 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
85 * toplev.c: Fix thinko.
87 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
88 Marcin Dalecki <martin@dalecki.de>
90 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
91 (push_srcloc): Use XNEW.
92 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
94 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
96 * df-core.c (df_set_blocks): Deleted all variable.
98 2006-01-28 Ian Lance Taylor <ian@airs.com>
100 * cgraphunit.c (cgraph_assemble_pending_functions): Call
101 cgraph_output_pending_asms.
103 2006-01-28 Zack Weinberg <zackw@panix.com>
105 * c.opt: Add -W(no-)overlength-strings.
106 * doc/invoke.texi: Document it.
107 * c-opts.c (c_common_handle_option): -pedantic implies
108 -Woverlength-strings, if not explicitly disabled already.
109 (c_common_post_options): -Woverlength-strings defaults to off, and
110 is always off for C++.
111 * c-common.c (fix_string_type): Issue warning about strings longer
112 than is portable only if warn_overlength_strings. Rearrange code
113 a little for clarity.
114 * configure.in: Check for -Wno-overlength-strings as well before
115 enabling -pedantic in stage 1.
116 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
117 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
119 * genconditions.c (write_header, write_one_condition)
120 (write_conditions, write_writer): Consolidate very long strings
121 that were broken up to fit in C89 portable limit. Don't use
122 printf when fputs will do.
124 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
126 * combine.c (simplify_comparison <AND>): Check
127 TRULY_NOOP_TRUNCATION before start using a subreg.
129 * config/mips/mips.md (*branch_zero<mode>,
130 *branch_zero<mode>_inverted, *branch_equality<mode>,
131 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
132 Remove mode check from comparisons.
134 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
136 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
138 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
140 * expmed.c (const_mult_add_overflow_p): Remove.
141 * expr.h: Remove the prototype for const_mult_add_overflow_p.
143 * recog.c (validate_replace_rtx_subexp): Remove.
144 * recog.h: Remove the prototype for
145 validate_replace_rtx_subexp.
147 * integrate.h: Remove the prototype for
148 copy_decl_for_inlining.
149 * rtl.h: Remove the prototype for mark_constant_function.
150 * tree-vectorizer.h: Remove the prototype for
151 vect_strip_conversion.
153 * modulo-sched.c (create_partial_schedule,
154 free_partial_schedule, reset_partial_schedule): Make them
157 * hooks.c (hook_bool_rtx_int_false): Remove.
158 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
160 2006-01-28 David Edelsohn <edelsohn@gnu.org>
162 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
163 and -mlong-double-128 are incompatible.
164 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
165 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
166 (TARGET_LIBGCC2_CFLAGS): Define.
167 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
168 (TARGET_LIBGCC2_CFLAGS): Same.
169 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
171 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
174 * c-typeck.c (build_binary_op): Perform implicit casts of
175 operands before shortening them.
177 * cfgloopmanip.c (split_loop_bb): Remove.
178 * cfgloop.h: Remove the prototype for split_loop_bb.
180 * cfgloop.c (flow_loop_outside_edge_p): Remove.
181 * cfgloop.h: Remove the prototype for
182 flow_loop_outside_edge_p.
184 * emit-rtl.c (init_virtual_regs): Make it static.
185 * function.h: Remove the prototype for init_virtual_regs.
187 * recog.c (peephole2_optimize): Make it static.
188 * recog.h: Remove the prototype for peephole2_optimize.
190 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
192 * df-scan.c (df_record_entry_block_defs): Check if
193 INCOMING_RETURN_ADDR_RTX is defined.
195 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
196 Kenneth Zadeck <zadeck@naturalbridge.com>
198 PR rtl-optimization/24762
199 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
200 * targhooks.c (hook_void_bitmap): New hook prototype.
201 * targhoohs.h (hook_void_bitmap): Ditto.
202 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
203 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
204 * target.h (live_on_entry): New function pointer.
205 * df-scan.c (df_all_hard_regs): Removed.
206 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
207 (df_scan_free_internal): Added df->entry_block_defs.
208 (df_scan_alloc): Ditto.
209 (df_scan_dump): Ditto.
210 (df_uses_record): Plumbed flag field properly thru calls.
211 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
212 This part fixes PR24762.
213 (df_bb_refs_record): Added code to make the frame and arg
214 pointers live in EH blocks.
215 (df_refs_record): Added call to df_record_entry_block_defs.
216 (df_record_entry_block_defs): New function.
217 * df-core.c: Added comments to describe new artifical defs.
218 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
219 (entry_block_defs): New field in struct df.
220 (df_all_hard_regs): Deleted.
221 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
222 * df-problems.c (df_ru_bb_local_compute_process_def):
223 Added code to handle artifical defs in the entry to a function.
224 (df_ru_bb_local_compute): Ditto.
225 (df_rd_bb_local_compute_process_def): Ditto.
226 (df_rd_bb_local_compute): Ditto.
227 (df_lr_bb_local_compute): Ditto.
228 (df_ur_bb_local_compute): Ditto.
229 (df_urec_bb_local_compute): Ditto.
230 (df_chain_create_bb): Ditto.
231 (df_ur_local_finalize): Removed entry.
232 (df_urec_init): Ditto.
233 (df_urec_local_finalize): Ditto.
234 (df_ri_bb_compute): Added detection of last use of pseudos.
235 * Makefile.in (df-scan.o): Updated dependencies.
236 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
237 * config/mips/mips.c (mips_set_live_on_entry): Added.
238 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
240 * dce.c (marked_insn_p): Added code to handle artifical defs.
242 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
244 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
246 (_mm_cvtsi128_si64): Likewise.
247 (_mm_cvtsd_si64): Likewise.
248 (_mm_cvttsd_si64): Likewise.
249 (_mm_cvtsi64_sd): Likewise.
250 (_mm_cvtsi64_si128): Likewise.
251 * config/i386/mmintrin.h (_m_from_int64): Likewise.
252 (_mm_cvtsi64_m64): Likewise.
253 (_m_to_int64): Likewise.
254 (_mm_cvtm64_si64): Likewise.
255 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
256 (_mm_cvttss_si64): Likewise.
257 (_mm_cvtsi64_ss): Likewise.
258 (_mm_cvtss_f32): Likewise.
260 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
262 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
263 for pragma redefine_extname.
265 2006-01-27 Jakub Jelinek <jakub@redhat.com>
268 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
269 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
270 -mno-minimal-toc to previous content.
271 (bispecs): Remove goal.
272 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
273 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
274 compatibility aliases on powerpc-*-*gnu*.
275 * config/rs6000/libgcc-ppc-glibc.ver: New file.
276 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
277 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
278 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
279 (ldblspecs): New goal.
280 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
281 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
283 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
284 L_sf_to_tf or L_df_to_tf is defined.
286 2006-01-27 David Edelsohn <edelsohn@gnu.org>
287 Alan Modra <amodra@bigpond.net.au>
290 * config/rs6000/linux.h (POWERPC_LINUX): Define.
291 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
292 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
293 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
294 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
295 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
296 (rs6000_override_options): Initialize rs6000_ieeequad.
297 Initialize TFmode format to ibm_extended_format if not
299 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
301 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
302 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
303 (function_arg_advance): IBM long double passed in two FPRs, not
305 (function_arg): IBM long double passed in FPRs.
306 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
307 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
308 Only multireg GPR aligned.
309 (rs6000_init_libfuncs): Enable IBM long double functions if not
311 (rs6000_generate_compare): Use IBM long double compare if not
313 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
314 (TARGET_IEEEQUAD): Define.
315 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
317 * config/rs6000/rs6000.md: Enable TFmode patterns if
319 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
320 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
321 and -mlong-double-128 are incompatible.
322 * doc/invoke.texi (-mabi): Collect options together. Add
323 ibmlongdouble and ieeelongdouble.
325 2006-01-27 Richard Sandiford <richard@codesourcery.com>
327 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
329 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
330 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
331 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
332 * rtl.h (rtunion_def): Remove rt_ptr.
334 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
335 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
336 * config/i386/winnt.c (i386_pe_mark_dllexport)
337 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
339 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
341 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
343 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
347 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
348 pthread_key_delete. From John David Anglin. gthrw-ify
349 pthread_getunique_np only if it it's not a macro. Delete
351 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
352 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
353 __gthread_objc_condition_signal, __gthread_key_delete): Add
354 "__attribute__ ((__unused__))" to unused arguments.
355 (__gthread_recursive_mutex_init_function): Add missing return.
356 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
357 gthr-posix95.h: Use macro-based approach for name redirection
358 on targets missing weakref.
360 2006-01-26 Zack Weinberg <zackw@panix.com>
362 * genconditions.c (write_header): In generated code, #ifdef out
363 all includes and fake declarations, except includes of bconfig.h
364 and system.h, unless GCC_VERSION >= 3001. Do not include
365 gensupport.h in any case.
366 (write_conditions): Generate a definition of struct c_test. Add
367 a comment to the generated #endif.
368 (write_one_condition): Escape backslashes in string too.
369 (write_writer): Generated code must escape backslashes and quote
370 marks (but not newlines) in the strings it writes.
371 * Makefile.in (build/gencondmd.o): Update dependencies.
373 2006-01-26 Steve Ellcey <sje@cup.hp.com>
376 * Makefile.in (insn-automata.o): Add header file dependencies.
377 * genautomata.c: Add includes.
379 2006-01-26 Steve Ellcey <sje@cup.hp.com>
382 * Makefile.in (insn-automata.o): Add -Wno-error flag.
384 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
386 * configure.ac: Expect target tools paths to be passed from the toplevel
387 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
389 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
391 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
394 * c.opt (Wpointer-sign): Init to -1.
395 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
396 OPT_pedantic, to 0 otherwise.
397 * doc/invoke.texi: Update.
399 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
401 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
402 constants provided by 80387 instructions in the destination mode.
404 2006-01-26 Richard Guenther <rguenther@suse.de>
405 Andrew Pinski <pinskia@physics.uc.edu>
408 partial PR tree-opt/17064
409 * tree-ssa-structalias.c (intra_create_variable_infos):
410 Create heap variables for incoming parameters if
411 flag_argument_noalias > 1.
412 (find_what_p_points_to): Look through default defs of
415 2006-01-26 Jeff Law <law@redhat.com>
418 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
419 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
420 within the VR_RANGE, use the VR_RANGE as the result, not the
422 (adjust_range_with_scev): Reject ranges from SCEV which are out
423 of bounds for the type.
425 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
427 * tree-ssa-alias.c (maybe_create_global_var): Change
428 subvar walking to an assertion that we don't have subvar'd variables.
430 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
433 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
434 Use a new variable, inner. PARM_DECLs are always non-weak.
436 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
438 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
441 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
443 * config/mips/mips.md (*clear_upper32): New combiner pattern.
445 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
447 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
448 (smax_insn, smin_insn, smax_0, smin_0): New.
450 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
453 * config/cris/cris.c (cris_order_for_addsi3): New function.
454 * config/cris/cris-protos.h: Prototype it.
455 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
456 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
457 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
458 (split for "op.S1 [rx=rx+i],ry (swapped)")
459 (split for "op(s|u).S1 [rx=rx+i],ry")
460 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
461 Apply cris_order_for_addsi3 when generating addsi3 insns.
463 2006-01-25 Diego Novillo <dnovillo@redhat.com>
465 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
466 (TREE_BLOCK): Add call to EXPR_CHECK.
468 2006-01-25 Diego Novillo <dnovillo@redhat.com>
471 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
472 * tree-pretty-print.c (dump_omp_clause): Extract from ...
473 (dump_omp_clauses): ... here.
474 (dump_generic_node): Handle OMP_CLAUSE.
475 * tree.c (omp_clause_num_ops): New.
476 (omp_clause_code_name): New.
477 (tree_code_size): Handle OMP_CLAUSE.
478 (tree_size): Likewise.
479 (make_node): Document handling of OMP_CLAUSE.
480 (tree_node_structure): Handle OMP_CLAUSE.
481 (omp_clause_check_failed): New.
482 (omp_clause_range_check_failed): New.
483 (omp_clause_operand_check_failed): New.
484 (build_omp_clause): New.
485 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
486 * tree.h (enum omp_clause_code): Declare.
487 (OMP_CLAUSE_SUBCODE_CHECK): Define.
488 (OMP_CLAUSE_RANGE_CHECK): Define.
489 (OMP_CLAUSE_ELT_CHECK): Define.
490 (omp_clause_check_failed): Declare.
491 (omp_clause_operand_check_failed): Declare.
492 (omp_clause_range_check_failed): Declare.
493 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
494 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
495 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
496 (OMP_CLAUSE_LASTPRIVATE): Likewise.
497 (OMP_CLAUSE_IF_EXPR): Likewise.
498 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
499 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
500 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
501 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
502 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
503 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
504 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
505 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
506 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
507 (OMP_CLAUSE_CODE): Define.
508 (OMP_CLAUSE_SET_CODE): Define.
509 (OMP_CLAUSE_CODE): Define.
510 (OMP_CLAUSE_OPERAND): Define.
511 (struct tree_omp_clause): Declare.
512 (union tree_node): Add field 'omp_clause'.
513 * treestruct.def (TS_OMP_CLAUSE): Define.
514 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
515 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
516 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
517 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
518 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
519 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
520 (OMP_CLAUSE): Define.
521 * print-tree.c (print_node): Handle OMP_CLAUSE.
522 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
523 * c-typeck.c: Likewise.
524 * gimplify.c: Likewise.
526 * tree-nested.c: Likewise.
527 * tree-inline.c: Likewise.
528 * c-parser.c: Likewise.
529 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
532 2006-01-25 Roger Sayle <roger@eyesopen.com>
534 PR rtl-optimization/25703
535 * combine.c (try_combine): Handle zero_extract and strict_low_part
536 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
538 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
540 * global.c: Fix comment typos.
542 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
545 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
546 Use output_addr_const instead of assemble_name.
548 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
550 * Makefile.in (sched-vis.o): Update dependencies.
551 * haifa-sched.c (sched_finish): Clear current_sched_info.
552 * cfg.c (dump_bb_info): New, split from dump_flow_info.
553 (dump_flow_info): Call it.
554 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
556 * basic-block.h (dump_bb_info): Declare.
557 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
558 option, and apply options only for dump files whose TDF_RTL,
559 TDF_TREE, or TDF_IPA bits match.
560 * rtl.h: Declare new functions exported from sched-vis.c.
561 * sched-vis.c: Enable also if scheduling is not used.
562 (print_value): Print the mode of registers if not inside scheduling.
563 (print_insn): Make it work outside the scheduler. Beautify the output
565 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
567 2006-01-25 Richard Sandiford <richard@codesourcery.com>
569 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
570 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
571 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
572 depending on the value of CONSTANT_POOL_ADDRESS_P.
573 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
575 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
576 rather than SYMBOL_REF_DECL.
577 (rtx_constant_pool): Remove const_rtx_sym_htab.
578 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
579 (init_varasm_status): Don't initialize const_rtx_sym_htab.
580 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
581 Remove handling of const_rtx_sym_htab.
582 (find_pool_constant): Delete.
583 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
584 rather than find_pool_constant.
585 (get_pool_constant_for_function): Delete.
586 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
588 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
589 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
590 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
591 (SYMBOL_REF_CONSTANT): New macro.
592 (get_pool_constant_for_function): Delete.
593 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
594 rather than SYMBOL_REF_DECL.
595 (i386_pe_mark_dllimport): Likewise.
596 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
597 rather than SYMBOL_REF_DECL.
598 * config/darwin.c (machopic_indirect_data_reference): Likewise.
599 (machopic_indirect_call_target): Likewise.
601 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
603 * flow.c (delete_noop_moves): Add missing EOL to dump message.
605 2006-01-25 Richard Sandiford <richard@codesourcery.com>
607 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
609 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
611 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
613 2006-01-24 David Daney <ddaney@avtrex.com>
616 * configure.ac (enable_tls): New enable option.
617 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
618 * configure: Regenerate.
619 * doc/install.texi (--enable-tls): Document new option.
620 (--disable-tls): Ditto.
622 2006-01-24 Richard Henderson <rth@redehat.com>
624 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
625 * alias.c (true_dependence): Respect it.
626 (canon_true_dependence, write_dependence_p): Likewise.
627 * builtins.c (get_builtin_sync_mem): Set it.
629 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
631 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
634 2006-01-24 DJ Delorie <dj@redhat.com>
636 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
637 for storing constants in single-bit bitfields.
639 2006-01-25 Ben Elliston <bje@au.ibm.com>
641 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
643 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
646 * tree-ssa-pre.c (phi_translate): Return NULL
647 for AGGREGATE_TYPE's.
649 2006-01-24 Zack Weinberg <zackw@panix.com>
651 * genautomata.c (process_state_for_insn_equiv_partition):
652 Use xcalloc for insn_arcs_array.
653 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
654 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
656 2006-01-24 Richard Henderson <rth@redhat.com>
658 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
661 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
663 PR rtl-optimization/25890
664 PR rtl-optimization/25905
665 * combine.c (expand_compound_operation, expand_field_assignment):
666 Fail if the bitfield's final position is out of bounds.
668 2006-01-24 Ian Lance Taylor <ian@airs.com>
671 * cgraphunit.c (cgraph_output_in_order): Don't clear
672 cgraph_asm_nodes until after asm strings have been output.
674 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
676 * fix-header.c (read_scan_file): Add new parameter imultilib when
677 calling register_include_chains.
679 2006-01-23 Diego Novillo <dnovillo@redhat.com>
681 * omp-low.c: Update documentation.
683 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
684 Daniel Berlin <dberlin@dberlin.org>
688 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
689 return from the function.
691 2006-01-22 Zack Weinberg <zackw@panix.com>
693 * rtl.def (match_code): Add second argument.
694 * genpreds.c (write_extract_subexp): New function.
695 (write_match_code): Add path argument. Use write_extract_subexp.
696 (write_predicate_expr): Pass path to write_match_code.
697 (mark_mode_tests): MATCH_CODE applied to a subexpression does
698 not perform a mode test.
699 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
700 a subexpression does not constrain the top-level code set.
701 * read-rtl.c (read_rtx_variadic): New function.
702 (read_rtx_1): Use it; allow AND and IOR to be variadic.
703 * doc/md.texi: Document new notation.
704 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
705 (cmpsi_operand): ... here, using new notation.
707 2006-01-22 Zack Weinberg <zackw@panix.com>
709 * varray.c: Remove GENERATOR_FILE #ifdefs.
711 2006-01-22 Zack Weinberg <zackw@panix.com>
713 * genautomata.c (output_reserved_units_table): Emit nothing if
714 description->query_units_num is zero. Remove extra blank line.
715 (output_cpu_unit_reservation_p): Short circuit
716 if description->query_units_num is zero.
718 2006-01-22 Zack Weinberg <zackw@panix.com>
720 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
721 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
722 nor any of the random handful of variables that used to be necessary
723 when this program was linked with rtlanal.o. Prune set of forward
724 function declarations.
725 (struct attr_desc): Remove static_p field.
726 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
727 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
728 (attr_string): Do not read the character one past the length of
730 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
731 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
732 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
733 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
734 (make_automaton_attrs): New.
735 (main): Do not call into genautomata. Call local gen_bypass
736 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
737 Remove special case for insn_alts.
738 * genautomata.c: Include gensupport.h; not genattrtab.h nor
739 varray.h (leftover from previous change). Prune set of forward
740 function declarations. Remove state_alts fields from all
741 structures. Remove state_alts_table from struct automaton.
742 Make everything except main static. Do not maintain num_dfa_decls.
743 Do not maintain state_alts fields of various structures.
744 (process_decls): Don't validate condexp for dm_insn_reserv decls.
745 (add_arc): Remove state_alts argument. All callers updated.
746 (output_reserved_units_table): Emit #ifdef here...
747 (output_tables): ...not here. Don't generate state_alts tables.
748 (expand_automata): Don't generate attributes.
749 (write_automata): Don't generate state_alts functions.
750 (main): New function.
751 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
752 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
753 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
754 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
755 (BYPASS_P_FUNC_NAME, output_state_alts_table)
756 (output_automata_list_state_alts_code, output_internal_state_alts_func)
757 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
758 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
760 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
761 * genattrtab.h: Delete file.
762 * Makefile.in (OBJS-common): Add insn-automata.o.
763 (insn-automata.o): New rule.
764 (simple_generated_c): Add insn-automata.c.
765 (build/genattrtab.o, build/genautomata.o): Update dependencies.
766 (genprogmd): Add automata.
767 (build/genattrtab): Needs no extra objects nor libraries.
768 (build/genautomata): Needs build/vec.o and -lm.
770 2006-01-22 Zack Weinberg <zackw@panix.com>
772 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
773 (output_dfa_max_issue_rate, locked_states_num): Delete.
774 (struct automaton): Add locked_states field.
775 (output_dead_lock_vect): Save number of locked states in
776 automaton->locked_states. If it is zero, don't print anything.
777 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
778 (output_internal_dead_lock_func): Only test the dead_lock_vect
779 for automata that have locked states.
780 (output_statistics): Always print the number of locked states for
781 each automaton. Calculate total number of locked states here.
782 (write_automata): Don't call output_dfa_max_issue_rate.
783 * genattrtab.c: Define length_unit_log as a const variable.
784 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
785 max_insn_queue_index const.
786 * final.c (length_unit_log): Declare const.
787 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
789 2006-01-22 Zack Weinberg <zackw@panix.com>
791 * genautomata.c: Include vec.h, not varray.h.
792 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
793 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
794 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
795 VEC_* macros operating on appropriately typed vectors, or to
796 malloced arrays when the size is known in advance. Const-ify
797 many char* variables and function arguments. No functional changes.
798 * Makefile.in (build/varray.o): Delete rule.
799 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
800 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
802 2006-01-22 Zack Weinberg <zackw@panix.com>
804 * gensupport.c: Define get_insn_name and record_insn_name here.
805 (read_md_rtx): Call record_insn_name as appropriate.
806 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
807 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
808 * genpreds.c, genrecog.c: Don't define get_insn_name nor
810 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
811 (BUILD_VARRAY): Delete.
812 (genprognormal): Rename genprogmd. Fold in all programs from
813 genprognoprint; also attrtab.
814 (build/genattrtab): Just mention genautomata.o and varray.o.
815 Reorganize a bit, add comments to make the categories clearer.
817 2006-01-22 Zack Weinberg <zackw@panix.com>
819 * genconditions.c (condition_table, add_condition): Delete.
820 (write_conditions): Don't emit n_insn_conditions nor
821 insn_elision_unavailable. Issue the gcc version #ifdef here,
822 inside the table, with no #else clause ...
823 (write_header): ...not here.
824 (write_writer): New function.
825 (main): Don't initialize condition_table. Use add_c_test.
827 * gensupport.c (init_md_reader_args_cb): Handle multiple input
828 files on the command line.
829 (maybe_eval_c_test): Don't check insn_elision_unavailable.
830 Return -1 if there is no entry in the table, don't abort.
831 (add_c_test, traverse_c_tests): New functions.
832 * gensupport.h (insn_elision_unavailable, insn_conditions)
833 (n_insn_conditions): Delete declarations.
834 (add_c_test, traverse_c_tests): Declare.
835 * read-rtl.c: Include gensupport.h.
836 (read_conditions): New function.
837 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
838 (read_rtx_1): If we get EOF when we were looking for an initial
839 open paren, return 0. Call read_conditions when appropriate.
840 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
841 dummy-conditions.o. Eliminate references to insn-conditions.o,
842 or change them to build/gencondmd.o, as appropriate. Remove
843 insn-constants.h from $(simple_generated_h) and insn-conditions.c
844 from $(simple_generated_c). For all files remaining in those
845 two lists, add insn-conditions.md to the generator command line.
846 Give insn-constants.h/s-constants their own rules. Add rules
847 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
848 (build/read-rtl.o): Depend on gensupport.h.
849 (genprognormal): Include preds.
850 (genprogearly): Rename genprognoprint; only difference is now that
851 they don't link with $(BUILD_PRINT).
852 * dummy-conditions.c: Delete.
854 2006-01-22 Zack Weinberg <zackw@panix.com>
856 * genextract.c: Don't include insn-config.h. Do include vec.h.
857 Declare vectors of int, char, and locstr.
858 (locstr): New typedef.
859 (struct extraction): Make all array fields into bare pointers.
860 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
861 (insn_code_number): Delete.
862 (accum_extract): New struct.
863 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
864 (gen_insn): Take insn_code_number as an argument. Use an
865 accum_extract structure instead of loading data directly into
866 a struct extraction, and having to know how big it might get.
867 (walk_rtx): Operate entirely on an accum_extract structure.
868 (print_path): Avoid unnecessary use of printf.
869 (print_header): New function, split out of main. Distinguish
870 more carefully between an unrecognizable insn and an insn that
871 has the code number of a define_expand.
872 (main): Pass insn_code_number to gen_insn. Call print_header
873 only after parsing. Avoid unnecessary use of printf.
874 * Makefile.in (build/vec.o): New rule.
875 (build/genextract): Depend on build/vec.o.
876 (build/genextract.o): Don't depend on insn-config.h.
878 2006-01-22 Zack Weinberg <zackw@panix.com>
880 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
881 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
882 practical. Eliminate per-generator-program link rules.
884 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
887 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
888 with a call expr to ...
889 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
891 2006-01-23 Richard Guenther <rguenther@suse.de>
893 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
894 before make_edge with conditional EDGE_TRUE_VALUE.
896 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
897 Jan Hubicka <jh@suse.cz>
898 Richard Guenther <rguenther@suse.de>
900 PR rtl-optimization/25654
901 * cfgexpand.c (aggregate_contains_union_type): New function.
902 (add_alias_set_conflicts): Call it. Make sure to add conflicts
903 for structure variables that contain a union type.
905 2006-01-23 Richard Sandiford <richard@codesourcery.com>
907 * gengtype.c (new_structure): Return the structure.
908 (create_option): Add an extra "next" argument.
909 (create_field): New function.
910 (adjust_field_rtx_def): Use create_option and create_field.
911 Remove a now-unnecessary call to find_structure.
912 (adjust_field_tree_def): Likewise.
913 (note_yacc_type): Remove an unnecessary call to find_structure.
914 * gengtype.h (new_structure): Return the structure.
915 (create_option): Add an extra argument.
916 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
917 (option): Adjust calls to create_option.
919 2006-01-22 David Edelsohn <edelsohn@gnu.org>
921 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
923 2006-01-22 Paul Brook <paul@codesourcery.com>
924 Peter Barada <peter@the-baradas.com>
926 * config/m68k/m68k.md: Add Coldfire FPU support.
927 Define FP mode macro and associated attributes.
928 Use it for float mode patterns.
929 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
930 (LIBCALL_VALUE): Use m68k_libcall_value.
931 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
932 (m68k_function_value): Ditto.
933 (emit_move_sequence): Ditto.
934 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
935 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
936 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
937 (MULTILIB_EXCEPTIONS): Ditto.
938 * config/m68k/m68k.opt: Add mcfv4e.
939 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
940 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
941 (m68k_output_function_prologue): Save ColdFire FPU registers.
942 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
943 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
944 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
945 ColdFire FPU registers.
946 (m68k_libcall_value, m68k_function_value): New functions.
947 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
948 (LIBCALL_VALUE): Use m68k_libcall_value.
949 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
950 (MASK_COLDFIRE): Add MASK_CFV4E.
951 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
952 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
953 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
954 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
955 (GO_IF_LEGITIMATE_ADDRESS): Use it.
956 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
957 * doc/invoke.tex: Document -mcfv4e on m68k.
959 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
961 * doc/contribute.texi: Change CVS to SVN and update the corresponding
964 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
967 * c-opts.c (c_common_handle_option): Don't include
968 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
969 * doc/invoke.texi (C++ Dialect Options): Document that
970 -Wnon-virtual-dtor is no longer included in -Wall.
972 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
974 * gcov.c (print_version), gcov-dump.c (print_version),
975 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
978 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
980 * df-scan.c (problem_SCAN): Added NULL reset function.
981 (df_scan_reset_blocks): Added code to call reset block function
982 (df_bb_refs_delete) Fixed comment.
983 (df_insn_refs_delete): Made tolerant of deleting non existent info
984 for dataflow problems that need to be reset.
985 * df-core.c (df_set_blocks): Ditto.
986 * df.h (struct df_problem): Added reset_fun.
987 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
988 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
989 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
990 functions to clear out all references to def-use or use-def chains.
992 2006-01-21 Ben Elliston <bje@au.ibm.com>
994 * varasm.c (assemble_real): Initialise data array.
996 2006-01-20 Paul Brook <paul@codesourcery.com>
998 Merge from csl-arm-branch.
999 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1000 * config/arm/arm.md (movdi): Force operands[1] to a register
1001 if we have a non-register source.
1002 (*arm_movdi, *movdf_soft_insn): Require that one of the
1003 operands be a register.
1004 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1005 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1007 2006-01-20 DJ Delorie <dj@redhat.com>
1009 * varasm.c (initialize_constant_valid_p): Allow pointers
1010 initialized from integer constants of lesser precision.
1011 (output_constant): Allow non-int-sized pointer modes to be
1012 initialized from integer constants.
1014 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1017 * cppdefault.h (struct default_include): Add multilib flag.
1018 * cppdefault.c (cpp_include_defaults): Set it.
1019 * c.opt (-imultilib): New option.
1020 * c-opts.c (imultilib): New.
1021 (c_common_handle_option): Handle -imultilib.
1022 (c_common_post_options): Likewise.
1023 * c-incpath.c (add_standard_paths, register_include_chains):
1025 * c-incpath.h (register_include_chains): Add extra parameter.
1026 * gcc.c (do_spec_1): Generate -imultilib option.
1027 (The Specs Language): Update %I description.
1028 (process_command): Update copyright notice.
1029 * doc/cppopts.texi (-imultilib): Document.
1030 * doc/invoke.texi (-imultilib): Include in option summary.
1031 (%I): Update specs documentation.
1033 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1035 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1037 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1039 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1042 2006-01-20 Richard Guenther <rguenther@suse.de>
1043 Steven Bosscher <stevenb.gcc@gmail.com>
1045 PR rtl-optimization/24626
1046 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1047 EDGE_TRUE_VALUE if in RTL mode.
1050 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1051 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1053 2006-01-20 Dirk Mueller <dmueller@suse.com>
1056 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1057 instead of a special NOP marker.
1058 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1059 NOP marker handling.
1060 * c-common.h (empty_body_warning): Add forward declaration.
1061 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1062 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1064 2006-01-20 Paul Brook <paul@codesourcery.com>
1066 * Makefile.in (lang_checks): Keep going if mkdir fails.
1068 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1070 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1071 be able to clean out basic block when not necessary.
1072 (df_scan_free): Fixed to properly delete information if df is
1073 unused before calling df_finish.
1074 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1075 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1077 (df_bb_refs_delete): New function.
1078 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1079 * df-core.c (df_set_blocks): Added code to properly clean out
1080 unused blocks if they are not part of the blocks to consider.
1081 Added additional null check.
1082 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1083 be able to clean out basic block when not necessary
1084 * df.h (df_free_bb_function): Ditto.
1085 (df_bb_refs_delete): New function.
1086 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1087 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1088 basic block parameter to be able to clean out basic block when not
1090 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1091 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1092 Fixed to properly delete information if df is unused before
1095 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1097 PR rtl-optimization/25799
1098 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1099 Corrected confluence operator to remove bits from op2 before oring
1100 with op1 rather than removing bits from op1.
1101 (df_ru_transfer_function): Corrected test on wrong bitmap which
1102 caused infinite loop. Both of these problems were introduced in
1103 the dataflow rewrite.
1105 2006-01-19 DJ Delorie <dj@redhat.com>
1107 * reload1.c (find_reload_regs): Note the details of reload
1108 failures in the dump file.
1109 (spill_failure): Likewise.
1111 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1113 * loop-iv.c: Include df.h and hashtab.h.
1114 (enum iv_grd_result): New enum.
1115 (DF_REF_IV, DF_REF_IV_SET): New macros.
1116 (struct biv_entry): New.
1117 (df, bivs): New global variables.
1118 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1119 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1121 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1122 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1123 analyzed_for_bivness_p, record_biv): New functions.
1124 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1125 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1126 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1128 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1130 (iv_number_of_iterations): Use new interface to iv analysis.
1131 * loop-unroll.c: Do not include varray.h.
1132 (analyze_iv_to_split_insn): Use new interface to iv
1134 * loop-unswitch.c (may_unswitch_on): Ditto.
1135 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1137 (df_bb_modify): Realloc tables to the new index.
1138 (df_find_use): New function.
1139 * df.h (df_find_use): Declare.
1140 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1142 * cfgloop.h (struct rtx_iv): Remove analysed field.
1143 (iv_get_reaching_def): Removed.
1144 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1145 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1146 (loop-iv.o): Add df.h and hashtab.h dependency.
1147 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1149 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1151 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1153 (__floatundisf, __floatundidf): Likewise.
1154 * libgcc2.h (IS_IBM_EXTENDED): Define.
1156 2006-01-19 DJ Delorie <dj@redhat.com>
1158 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1160 2006-01-19 Paul Brook <paul@codesourcery.com>
1162 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1163 as nothrow when unwinding tables are disabled.
1165 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1168 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1169 of bit-field" when in system header.
1171 2006-01-19 DJ Delorie <dj@redhat.com>
1173 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1174 the 16 bit shift limit of the m16c.
1176 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1179 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1180 * config/i386/i386.c (output_set_got): Output the label if we have one
1181 for the TARGET_DEEP_BRANCH_PREDICTION case.
1183 2006-01-19 Jan Hubicka <jh@suse.cz>
1184 H.J. Lu <hongjiu.lu@intel.com>
1185 Evandro Menezes <evandro.menezes@amd.com>
1187 * invoke.texi (generic): Document
1189 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1190 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1191 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1192 (x86_use_incdec, x86_pad_returns): New variables
1193 (TARGET_CPU_DEFAULT_generic): New constant
1194 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1195 (enum processor_type): Add generic32 and generic64.
1196 * i386.md (cpu attribute): Add generic32/generic64
1197 (movhi splitter): Behave sanely when both partial_reg_dependency and
1198 partial_reg_stall are set.
1199 (K8 splitters): Enable for generic as well.
1200 * predicates.md (incdec_operand): Use TARGET_INCDEC
1201 (aligned_operand): Avoid memory mismatch stalls.
1202 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1203 * ppro.md: Enable for generic32
1204 * i386.c (generic64_cost, generic32_cost): New.
1205 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1206 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1207 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1208 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1209 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1210 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1211 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1212 x86_accumulate_outgoing_args, x86_prologue_using_move,
1213 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1214 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1216 (x86_use_incdec, x86_pad_returns): New.
1217 (override_options): Add generic32 and generic64, translate "generic"
1218 to generic32/generic64 and "i686" to "generic32", refuse
1219 "generic32"/"generic64" as arch target.
1220 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1221 (ix86_reorg): Honor PAD_RETURNS.
1223 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1225 * tree-pretty-print.c (dump_generic_node): Handle
1226 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1227 * cgraph.c (cgraph_expand_queue): Rename from
1228 cgraph_analyze_queue. Update all users.
1229 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1230 cgraph_expand_queue.
1231 (cgraph_expand_all_functions): Likewise.
1232 (cgraph_finalize_pending_functions): Remove. Update callers.
1234 * tree.h (OMP_DIRECTIVE_P): Define.
1235 (OMP_PARALLEL_FN): Define.
1236 (OMP_PARALLEL_DATA_ARG): Define.
1237 (OMP_SECTIONS_SECTIONS): Define.
1238 * tree-pass.h (pass_expand_omp): Declare.
1239 * omp-low.c (struct omp_region): Declare.
1240 (struct omp_context): Remove fields 'parallel_type',
1241 'parallel_start_ix' and 'parallel_start_additional_args'.
1243 (struct omp_for_data): Rename from struct expand_omp_for_data.
1244 (omp_regions): New static variable.
1245 (root_omp_region): New static variable.
1246 (find_omp_clause): Make static.
1247 (is_in_combined_parallel_ctx): Remove.
1248 (is_combined_parallel): New.
1249 (extract_omp_for_data): Move earlier in the file.
1250 (workshare_safe_to_combine_p): New.
1251 (get_ws_args_for): New.
1252 (determine_parallel_type): Move earlier in the file.
1253 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1255 (omp_copy_decl): Likewise.
1256 (create_omp_child_function): Likewise.
1257 (lookup_omp_region): New.
1258 (dump_omp_region): New.
1259 (debug_omp_region): New.
1260 (debug_all_omp_regions): New.
1261 (new_omp_region): New.
1262 (scan_omp_parallel): If parallel_nesting_level > 1, the
1263 directive is nested within another parallel directive.
1264 Set OMP_PARALLEL_FN.
1265 (scan_omp_for): Do not try to handle combined parallel+for
1267 Remove FIXME comment.
1268 (scan_omp_nested): Remove.
1269 (scan_omp_1): Do not call scan_omp_nested when
1270 parallel_nesting_level is > 1.
1271 Do not change the DECL_CONTEXT of local variables found.
1272 (lookup_decl_in_outer_ctx): New.
1273 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1274 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1275 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1276 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1277 If CTX is nested, lookup VAR in the outer context when
1278 building copy assignment.
1279 (lower_send_clauses): Rename from expand_send_clauses.
1280 If CTX is nested, lookup VAR in the outer context when
1281 building copy assignments.
1282 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1283 If CTX is nested, lookup VAR in the outer context when
1284 building copy assignments.
1285 (expand_parallel_call): Rename from build_parallel_call.
1286 Handle combined parallel+workshare cases.
1287 Re-implement to emit code into the CFG.
1289 (expand_omp_parallel): Re-implement to emit code into the CFG.
1290 Call move_sese_region_to_fn to outline the sub-graph
1291 containing the parallel region.
1292 (expand_omp_for_1): Remove.
1293 (expand_omp_for_generic): Re-implement to emit code into the
1295 (expand_omp_for_static_nochunk): Likewise.
1296 (expand_omp_for_static_chunk): Likewise.
1297 (expand_omp_for): Likewise.
1298 (expand_omp_sections): Likewise.
1299 (remove_exit_barriers): New.
1300 (expand_omp_synch): New.
1302 (build_omp_regions_1): New.
1303 (build_omp_regions): New.
1304 (execute_expand_omp): New.
1305 (gate_expand_omp): New.
1306 (pass_expand_omp): Define.
1307 (lower_omp_sections): Rename from expand_omp_sections.
1308 Set OMP_SECTIONS_SECTIONS.
1309 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1310 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1311 (lower_omp_single): Rename from expand_omp_simple.
1312 (lower_omp_master): Rename from expand_omp_master.
1313 (lower_omp_ordered): Rename from expand_omp_ordered.
1314 (lower_omp_critical): Rename from expand_omp_critical.
1315 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1316 (lower_omp_for): Re-implement.
1317 (lower_omp_parallel): Re-implement.
1318 (lower_regimplify): Rename from expand_regimplify.
1319 (lower_omp_1): Rename from expand_omp_1.
1320 If there are syntax errors in the program, replace every
1321 OpenMP directive with NOP.
1322 Call lower_omp_* instead of expand_omp_*.
1323 (lower_omp): Rename from expand_omp.
1325 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1326 * tree-gimple.h (enum omp_parallel_type): Remove.
1327 (gimple_boolify): Declare extern.
1328 (find_omp_clause, determine_parallel_type): Remove.
1330 * gimple-low.c (lower_omp_directive): New.
1331 (lower_stmt): Call it.
1332 (record_vars_into): Move from ...
1333 (record_vars): ... here.
1334 Call record_vars_into with current_function_decl.
1336 * gimplify.c (struct gimplify_ctx): Remove fields
1337 combined_pre_p and combined_ctxp. Update users.
1338 (get_formal_tmp_var): Add documentation.
1339 (gimple_boolify): Make extern.
1340 (gimplify_expr_in_ctx): Remove. Update callers.
1341 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1342 will always be a BIND_EXPR.
1343 (gimplify_expr): Handle OMP_RETURN_EXPR.
1344 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1345 (OMP_PARALLEL): Add 3 operands.
1346 (OMP_SECTIONS): Add 1 operand.
1347 (OMP_RETURN_EXPR): Define.
1349 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1350 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1351 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1352 creating a circular free list.
1353 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1355 * tree-flow.h (move_sese_region_to_fn): Declare.
1356 (record_vars_into): Declare.
1357 * tree-cfg.c (make_omp_sections_edges): New.
1358 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1359 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1360 OMP_SECTIONS and OMP_SECTION.
1361 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1362 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1363 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1364 (gather_blocks_in_sese_region): New.
1365 (struct move_stmt_d): Declare.
1367 (move_block_to_fn): New.
1368 (move_sese_region_to_fn): New.
1370 * passes.c (init_optimization_passes): Schedule
1371 pass_expand_omp after pass_init_datastructures.
1373 * tree-ssa-operands.c (get_expr_operands): Handle
1374 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1375 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1377 2006-01-19 Jeff Law <law@redhat.com>
1379 * tree-vrp.c (extract_range_from_assert): Refine the result range
1380 if the variable referenced by the ASSERT_EXPR has a range and
1381 either the tentative result range or the previous range is a
1384 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1386 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1388 2006-01-19 Jan Hubicka <jh@suse.cz>
1390 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1392 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1394 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1395 (expand_compound_operation, expand_field_assignment): Fail if the
1396 bit lengths of an extract operation are out of range.
1397 (make_extraction): Compute wanted_inner_mode based on the position
1398 and length of the extraction. Make it extraction_mode for non-constant
1399 positions, and do not modify offset in that case. When generating a
1400 new MEM, use a mode that can hold the extraction while keeping correct
1401 alignment. Remove code that supported MEMs wrapped by USEs.
1402 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1404 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1406 * config/s390/s390.md ("Y", "y"): New mode attribute.
1407 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1408 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1409 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1410 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1411 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1412 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1413 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1414 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1415 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1416 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1417 "addsi3", "subsi3"): Insn patterns removed.
1418 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1419 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1420 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1421 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1422 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1423 "*sub<mode>3_cconly2"): New insn patterns.
1424 ("addsi3", "subsi3"): New expanders.
1426 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1428 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1429 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1430 existing STMT_VINFO_VECTYPE if available.
1431 (vect_mark_relevant): Add special handling for stmts that are
1432 marked as STMT_VINFO_IN_PATTERN_P.
1433 (vect_analyze_loop): Call vect_pattern_recog.
1434 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1435 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1437 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1438 (vect_recog_func_ptr): New function-pointer type.
1439 * tree-vect-patterns.c: New file.
1440 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1441 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1442 (vect_pattern_recog_1): New functions.
1443 (vect_pattern_recog_funcs): New array of function pointers.
1445 * tree-vectorizer.h (ternary_op): New enum value.
1446 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1447 declaration. Revised documentation. Removed redundant dump prints.
1448 Removed redundant argument. Added support for reduction patterns.
1449 (vectorizable_reduction): Added support for reduction patterns.
1450 (vect_transform_stmt): Added support for patterns.
1452 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1453 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1454 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1455 (expand_widen_pattern_expr): New function.
1456 (init_optabs): Initialize new optabs udot_prod_optab,
1458 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1459 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1460 (expand_widen_pattern_expr): New function declaration.
1461 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1463 * tree-inline.c (estimate_num_insns_1): Added cases for new
1464 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1465 * tree-pretty-print.c (dump_generic_node): Likewise.
1466 (op_prio): Likewise.
1467 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1468 * tree-ssa-operands.c (get_expr_operands): Added case for
1470 * tree-vect-patterns.c (widened_name_p): New function.
1471 (vect_recog_dot_prod_pattern): Added function implementation.
1472 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1473 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1474 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1475 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1477 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1478 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1479 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1480 (init_optabs): Initialize new optabs widen_ssum_optab,
1482 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1483 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1484 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1485 use instead of type of def.
1486 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1487 function implementation.
1488 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1489 widen_ssumv8hi): New.
1491 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1494 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1497 * c-decl.c (add_flexible_array_elts_to_size): New function.
1498 (finish_decl): Use it.
1500 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1502 * diagnostic.h: Include options.h.
1503 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1504 dependancies for diagnostic.h.
1505 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1507 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1509 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1510 (ssa_ro_call_cache_valid): Ditto.
1511 * tree-ssa-alias.c (sort_tags_by_id): New function.
1512 (init_transitive_clobber_worklist): Ditto.
1513 (add_to_worklist): Ditto.
1514 (mark_aliases_call_clobbered): Ditto.
1515 (compute_tag_properties): Ditto.
1516 (set_initial_properties): Ditto.
1517 (compute_call_clobbered): Ditto.
1518 (compute_may_aliases): Call compute_call_clobbered and grouping.
1519 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1520 (compute_flow_insensitive_aliasing): Grouping now happens in our
1522 (setup_pointers_and_addressables): Remove clobbering related code.
1523 (add_may_alias): Ditto.
1524 (replace_may_alias): Ditto.
1525 (get_nmt_for): Ditto.
1526 (create_global_var):
1527 (is_escape_site): Return an escape_type enumeration.
1528 * tree-flow-inline.h (is_call_clobbered): Global var does not
1529 imply call clobbered.
1530 (mark_call_clobbered): Take a reason for marking this. Remove
1531 marking of globalness, and cache invalidation.
1532 (clear_call_clobbered): Remove cache invalidation code.
1533 * tree-dfa.c (dump_variable): If details is on, dump the reason
1535 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1537 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1538 (struct var_ann_d): Ditto.
1539 (enum escape_type): New.
1540 (mark_call_clobbered): Adjust prototype.
1541 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1542 are never call clobbered.
1543 Record reasons for escaping.
1544 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1545 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1546 (ssa_ro_call_cache_valid): Ditto.
1547 (clobbered_v_may_defs): Ditto.
1548 (clobbered_vuses): Ditto.
1549 (ro_call_vuses): Ditto.
1550 (clobber_stats): New.
1551 (init_ssa_operands): Zero out clobber stats.
1552 (fini_ssa_operands): Print out clobber stats.
1553 (get_call_expr_operands): Pass callee fndecl to
1555 (add_call_clobber_ops): Remove use of cache.
1556 Add use of PURE_CONST information.
1557 (add_call_read_ops): Remove use of cache.
1558 Add use of static not_read information.
1560 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1562 Introduce TLS descriptors for i386 and x86_64.
1563 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1564 (TARGET_ANY_GNU_TLS): New macro.
1565 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1566 (struct machine_function): Add tls_descriptor_call_expanded_p.
1567 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1568 (ix86_current_function_calls_tls_descriptor): Likewise.
1569 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1570 (override_options): Introduce gnu2 tls dialect.
1571 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1573 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1575 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1576 (ix86_init_machine_status): Initialize new field.
1577 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1578 (ix86_tls_module_base): New.
1579 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1580 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1581 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1582 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1583 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1584 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1585 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1586 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1587 * config/i386/predicates.md (tls_modbase_operand): New.
1588 (tp_or_register_operand): New.
1590 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1592 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1593 (look_for_address_of): Ditto.
1594 (ipa_init): Walk the function decls.
1595 (static_execute): Don't set readonly on FUNCTION_DECL's.
1597 2006-01-18 Roger Sayle <roger@eyesopen.com>
1599 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1600 for shifts where the source and destination registers are different.
1602 2006-01-18 Paul Brook <paul@codesourcery.com>
1604 Merge from csl-arm-branch.
1605 2005-03-14 Julian Brown <julian@codesourcery.com>
1606 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1607 (aeabi_llsl): Likewise.
1608 (ashrdi3): Likewise.
1609 (aeabi_lasr): Likewise.
1610 (lshrdi3): Likewise.
1611 (aeabi_llsr): Likewise.
1612 2005-03-10 Julian Brown <julian@codesourcery.com>
1613 * config.gcc: Disable shared libgcc for SymbianOS.
1614 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1616 2006-01-18 DJ Delorie <dj@redhat.com>
1618 * c-pragma.c (handle_pragma_diagnostic): New.
1619 (init_pragma): Register it.
1620 * doc/extend.texi: Document it.
1622 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1623 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1624 (diagnostic_context): Add classify_diagnostic[].
1625 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1626 as errors if they're overridden to DK_WARNING.
1627 (diagnostic_initialize): Initialize classify_diagnostic[].
1628 (diagnostic_set_kind_override): New.
1629 (diagnostic_report_diagnostic): Check for kind changes.
1630 * opts.c (common_handle_option): Take lang_mask. Update callers.
1632 * common.opt (Werror=): New.
1633 * doc/invoke.texi: Document -Werror=*
1635 2006-01-18 Jeff Law <law@redhat.com>
1637 * tree-vrp.c (test_for_singularity): Correct test for new
1638 min limit. Use operand_equal_p rather than pointer equality
1639 for testing if new min/max values are equal.
1641 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1642 using range information until after propagation and folding.
1644 2006-01-18 Richard Henderson <rth@redhat.com>
1645 Aldy Hernandez <aldyh@redhat.com>
1646 Jakub Jelinek <jakub@redhat.com>
1647 Diego Novillo <dnovillo@redhat.com>
1649 * omp-low.c: New file.
1650 * c-omp.c: New file.
1652 2006-01-18 Richard Henderson <rth@redhat.com>
1653 Jakub Jelinek <jakub@redhat.com>
1654 Diego Novillo <dnovillo@redhat.com>
1656 * doc/invoke.texi: Document -fopenmp.
1657 * tree-dump.h (debug_function): Declare.
1658 * hooks.c (hook_bool_tree_bool_false): New function.
1659 (hook_tree_tree_null): Remove.
1660 (hook_tree_tree_tree_null): New.
1661 * hooks.h: Update to match.
1662 * tree-pretty-print.c (debug_tree_chain): New.
1663 (print_generic_expr): Handle TDF_CHAIN.
1664 (dump_generic_node): Handle BLOCK.
1665 Do not abort with incomplete SWITCH_EXPRs.
1666 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1667 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1668 print space after directive name.
1669 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1670 Handle OMP_MASTER and OMP_ORDERED.
1671 Handle printing of OMP_BODY just in one place, goto
1672 dump_omp_body in the rest of OMP_* nodes that have
1674 Don't handle clause nodes here. Update omp statements to
1675 use dump_omp_clauses.
1676 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1677 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1678 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1679 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1680 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1681 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1682 Adjust output for GOMP_PARALLEL.
1683 (dump_omp_clauses): New.
1684 (print_declaration): Dump DECL_VALUE_EXPR.
1685 (op_symbol_1): Split out of op_symbol.
1686 (dumping_stmts): Remove. Update all users.
1687 * cgraph.c (cgraph_analyze_queue): New.
1688 (cgraph_add_new_function): New.
1689 * cgraph.h (cgraph_analyze_queue): Declare.
1690 (cgraph_add_new_function): Declare.
1691 (cgraph_lower_function): Remove.
1692 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1693 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1694 and TYPE_P nodes in its default clause.
1695 (empty_body_p): New.
1696 (tree_range_check_failed): New.
1698 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1699 OMP_CLAUSE_REDUCTION_MERGE,
1700 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1701 OMP_CLAUSE_PRIVATE_DEBUG,
1702 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1703 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1704 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1705 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1706 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1707 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1708 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1709 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1710 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1711 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1712 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1713 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1714 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1715 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1716 (TREE_RANGE_CHECK): New.
1717 (empty_body_p): Declare.
1718 (enum omp_clause_default_kind): New.
1719 (build_string_literal): Declare.
1720 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1721 (build5_stat, build5): Declare.
1722 * tree-pass.h (TDF_CHAIN): Define.
1723 * tree-pass.h (PROP_gimple_lomp): Define.
1724 (pass_lower_omp): Declare.
1725 * diagnostic.h (debug_tree_chain): Declare.
1726 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1728 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1729 * builtins.c (build_string_literal): Make extern.
1730 * gcc.c (include_spec_function): New.
1731 (static_spec_functions): Add it.
1732 (main): Move load of libgomp.spec ...
1733 (LINK_COMMAND_SPEC): ... here.
1734 (link_gomp_spec): New.
1735 (static_specs): Include it.
1736 (LINK_COMMAND_SPEC): Add link_gomp.
1737 (GOMP_SELF_SPECS): New.
1738 (driver_self_specs): Include it.
1739 (switch_matches): Don't mark inline.
1740 (main): Load libgomp.spec.
1741 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1742 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1743 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1744 * tree-gimple.h (enum omp_parallel): Declare.
1745 (determine_parallel_type): Declare.
1746 (omp_firstprivatize_variable): Declare.
1747 (omp_reduction_init): Declare.
1748 (diagnose_omp_structured_block_errors): Declare.
1749 (struct walk_stmt_info): Add want_return_expr.
1750 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1751 (find_omp_clause): Declare.
1752 (insert_field_into_struct): Declare.
1753 (struct walk_stmt_info): Move from tree-nested.c
1754 (walk_stmts): Declare.
1755 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1757 * cgraphunit.c (cgraph_lower_function): Make static.
1758 (cgraph_finalize_pending_functions): New.
1759 (cgraph_finalize_function): Call it.
1760 (cgraph_finalize_compilation_unit): Likewise.
1761 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1762 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1763 (BT_FN_UINT_UINT): New.
1764 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1765 DEF_FUNCTION_TYPE_VAR_4): Document.
1766 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1767 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1768 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1769 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1770 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1771 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1772 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1773 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1774 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1775 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1776 into separate files.
1777 (DEF_GOMP_BUILTIN): New.
1778 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1779 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1780 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1781 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1782 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1783 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1784 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1785 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1786 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1787 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1788 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1789 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1790 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1791 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1792 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1793 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1794 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1795 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1796 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1797 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1798 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1799 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1800 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1801 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1802 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1803 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1804 * sync-builtins.def: New file, moved from builtins.def.
1805 * omp-builtins.def: New file, moved from builtins.def.
1806 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1807 * gimple-low.c (lower_function_body): Clear data.
1808 (lower_stmt): Do not handle COMPOUND_EXPR.
1809 Remove call to print_node_brief.
1810 * c-tree.h (c_finish_omp_clauses): New prototype.
1811 (C_DECL_THREADPRIVATE_P): Define.
1812 (lookup_name_no_remap, c_omp_remap_private): Remove
1813 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1814 (check_for_loop_decls): Update decl.
1815 (lookup_name_no_remap, c_omp_remap_private): Declare.
1816 (build_indirect_ref, build_modify_expr, pushdecl,
1817 pushdecl_top_level): Move to c-common.h.
1818 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1819 before the switch, but just in the 2 places that need it.
1820 * c-decl.c (diagnose_mismatched_decls): Do not check for
1821 mismatched thread-local attributes when OLDDECL is marked
1822 threadprivate and NEWDECL has no thread-local attributes.
1823 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1824 (c_gimple_diagnostics_recursively): Rename from
1825 c_warn_unused_result_recursively. Invoke
1826 diagnose_omp_structured_block_errors.
1827 (check_for_loop_decls): Return a singular decl found.
1828 * langhooks.c (lhd_omp_predetermined_sharing): Return
1829 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1830 (lhd_omp_firstprivatize_type_sizes): New.
1831 (lhd_omp_assignment): New.
1832 (lhd_omp_predetermined_sharing): New.
1833 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1834 (struct lang_hooks_for_types): Add
1835 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1836 omp_predetermined_sharing, omp_disregard_value_expr,
1837 omp_private_debug_clause, omp_clause_default_ctor,
1838 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1839 (c_finish_omp_clauses): New.
1840 (c_finish_bc_stmt): Diagnose break within omp for.
1841 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1842 (build_unary_op): Return error_mark after reporting
1844 (build_modify_expr): Likewise.
1845 * gimplify.c: Include optabs.h and pointer-set.h.
1846 (enum gimplify_omp_var_data): Declare.
1847 (struct gimplify_omp_ctx): Declare.
1848 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1850 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1851 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1852 (splay_tree_compare_decl_uid): New.
1853 (new_omp_context): New.
1854 (delete_omp_context): New.
1855 (gimple_add_tmp_var): Call omp_add_variable.
1856 (gimplify_bind_expr): Likewise.
1857 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1858 true, disregard DECL_VALUE_EXPR on the decl if any.
1859 (gimplify_expr_in_ctx): New.
1860 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1861 omp_add_variable, omp_notice_variable, omp_is_private
1862 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1863 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1864 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1865 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1866 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1867 gimplify_omp_atomic): New.
1868 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1869 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1870 OMP_CRITICAL and OMP_ATOMIC.
1871 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1872 * c-pragma.h (enum pragma_kind): Add
1873 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1874 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1875 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1876 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1877 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1878 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1879 PRAGMA_OMP_THREADPRIVATE.
1880 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1881 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1882 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1883 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1884 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1885 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1886 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1887 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1888 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1889 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1890 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1891 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1892 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1894 (struct nesting_info): Add field_map,
1895 suppress_expansion, debug_var_chain.
1896 (create_nesting_tree): Initialize them.
1897 (lookup_field_for_decl): Use field_map.
1898 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1899 (convert_local_omp_clauses): New.
1900 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1901 (walk_body): Split out of walk_function.
1902 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1903 (convert_nonlocal_reference): Handle omp statements.
1904 (convert_local_reference): Likewise.
1905 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1906 (unnest_nesting_tree): New.
1907 (lower_nested_functions): Call it.
1908 (insert_field_into_struct): Make extern.
1909 (struct walk_stmt_info): Move to tree-gimple.h.
1910 (walk_stmts): Make extern.
1911 * omp-builtins.def: New file.
1912 * tree-iterator.c (expr_only): Clarify comment.
1913 * c-common.h (pushdecl_top_level, pushdecl,
1914 build_modify_expr, build_indirect_ref,
1915 c_finish_omp_master, c_finish_omp_critical,
1916 c_finish_omp_ordered, c_finish_omp_barrier,
1917 c_finish_omp_atomic, c_finish_omp_flush,
1918 c_finish_omp_for, c_split_parallel_clauses,
1919 omp_clause_default_kind, c_omp_sharing_predetermined,
1920 c_omp_remap_decl): Declare.
1921 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1922 (OBJS-common): Add omp-low.o.
1923 (c-omp.o, omp-low.o): Add.
1924 (gimplify.o): Add dependency on $(OPTABS_H).
1925 (GTFILES): Add omp-low.c.
1926 (gt-stringpool.h): Add.
1927 * tree-cfg.c (set_bb_for_stmt): Do not update the
1928 block-to-labels map if we are currently expanding to RTL.
1929 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1931 Handle IDENTIFIER_NODE.
1932 (tree_verify_flow_info): Do not ICE when emitting error
1933 messages about invalid labels.
1934 (dump_function_to_file): Reset CFUN before emitting the body
1936 (debug_function): New.
1937 * passes.c (init_optimization_passes): Schedule
1939 * langhooks-def.h (lhd_omp_predetermined_sharing,
1940 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1942 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1943 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1944 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1945 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1946 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1947 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1948 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1949 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1950 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1951 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1952 (LANG_HOOK_DECLS): Use them.
1954 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1955 Richard Henderson <rth@redhat.com>
1956 Jakub Jelinek <jakub@redhat.com>
1957 Diego Novillo <dnovillo@redhat.com>
1959 * c-parser.c (pragma_omp_clause): Define.
1960 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1961 (c_parser_compound_statement): Likewise.
1962 (c_parser_statement): Likewise.
1963 (c_parser_pragma): Handle omp pragmas.
1964 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1965 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1966 (c_parser_omp_clause_name, check_no_duplicate_clause,
1967 c_parser_omp_variable_list,
1968 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1969 c_parser_omp_clause_copyprivate,
1970 c_parser_omp_clause_default,
1971 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1972 c_parser_omp_clause_lastprivate,
1973 c_parser_omp_clause_nowait,
1974 c_parser_omp_clause_num_threads,
1975 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1976 c_parser_omp_clause_reduction,
1977 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1978 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1979 c_parser_omp_atomic, c_parser_omp_barrier,
1980 c_parser_omp_critical, c_parser_omp_flush,
1981 c_parser_omp_for_loop, c_parser_omp_for,
1982 c_parser_omp_master, c_parser_omp_ordered,
1983 c_parser_omp_sections_scope, c_parser_omp_sections,
1984 c_parser_omp_parallel, c_parser_omp_single,
1985 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1986 * c-pragma.c (init_pragma): Do omp pragma registration here.
1987 * c.opt (fopenmp): New flag.
1989 2006-01-18 Eric Christopher <echristo@apple.com>
1991 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1992 * config/darwin.h (GOMP_SELF_SPECS): Define.
1994 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1996 * rtl.h: Remove the prototype for reg_alloc.
1998 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2001 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2002 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2003 sjlj and dwarf2 exception handling.
2004 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2005 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2006 * pa/pa.c (function_value): Treat complex and vector types as
2008 (function_arg): Likewise. Only pass scalar floats in the floating
2009 point argument registers.
2010 * pa/t-slibgcc-dwarf-ver: New file.
2011 * pa/t-slibgcc-sjlj-ver: New file.
2012 * pa/t-slibgcc-elf-ver: Delete file.
2014 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2016 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2017 unlikely_test_section_p test.
2019 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2021 * mode-switching.c (optimize_mode_switching): Make it static.
2022 * basic-block.h: Remove the prototype for
2023 optimize_mode_switching.
2025 * modulo-sched.c (sms_schedule): Make it static.
2026 * rtl.h: Remove the prototype for sms_schedule.
2028 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2029 * rtl.h: Remove the prototype for gcse_after_reload_main.
2031 * reg-stack.c (reg_to_stack): Make it static.
2032 * rtl.h: Remove the prototype for reg_to_stack.
2034 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2036 * rtl.h: Remove the prototypes for regrename_optimize and
2037 copyprop_hardreg_forward.
2039 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2041 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2042 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2043 Test against the appropriate null constant for the mode.
2044 If 'fixup_overlap' is true, swap the operands if they overlap.
2045 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2046 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2047 alpha_split_tmode_pair and adjust for above change.
2048 * config/alpha/alpha.md (movtf_internal): Adjust call to
2049 alpha_split_tfmode_pair and rely on it to swap the operands.
2050 (movti_internal): New insn and post-reload splitter.
2051 (movti): New expander.
2053 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2055 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2058 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2060 * rtlanal.c (global_reg_mentioned_p_1,
2061 global_reg_mentioned_p): Remove.
2062 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2064 * flow.c (initialize_uninitialized_subregs): Make it static.
2065 * rtl.h: Remove the prototype for
2066 initialize_uninitialized_subregs.
2068 * function.c (instantiate_virtual_regs): Make it static.
2069 * function.h: Remove the prototype for
2070 instantiate_virtual_regs.
2072 * regmove.c (regmove_optimize, combine_stack_adjustments):
2074 * rtl.h: Remove the prototypes for regmove_optimize and
2075 combine_stack_adjustments.
2077 2006-01-17 Roger Sayle <roger@eyesopen.com>
2079 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2080 (size_cost): Encode costs in bytes so that a reg-reg addition is
2081 equivalent to COSTS_N_INSNS(1).
2082 (override_options): Use the size_cost.branch_cost as the default
2083 ix86_branch_cost when optimizing for size.
2085 2006-01-18 Ben Elliston <bje@au.ibm.com>
2087 * Makefile.in (D32PBIT_FUNCS): New.
2088 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2089 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2090 D64PBIT_FUNCS and D128PBIT_FUNCS.
2091 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2092 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2094 (decnumber_dep): Define.
2095 * doc/libgcc.texi (Decimal float library routines): New node.
2096 * config/dfp-bit.h, config/dfp-bit.c: New files.
2098 2006-01-18 Ben Elliston <bje@au.ibm.com>
2100 * expr.c (emit_move_change_mode): Always adjust addresses, not
2101 just during reload. Copy replacements only during reload.
2102 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2103 emit_move_via_integer.
2105 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2107 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2108 instead of $(srcdir) and ${srcdir}.
2110 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2114 * arm.h (struct machine_function): Add pic_reg.
2115 * arm.c (arm_pic_register): Make unsigned.
2116 (arm_override_options): Only set arm_pic_register if
2117 TARGET_SINGLE_PIC_BASE.
2118 (use_return_insn): Only test for a pic register if it is fixed.
2119 (arm_compute_save_reg0_reg12_mask): Likewise.
2120 (thumb_compute_save_reg_mask): Likewise.
2121 (legitimate_pic_operand): Factor out some known invariants.
2122 (legitimize_pic_address): If we don't have a fixed pic register,
2123 then set up a pseudo in the function entry sequence. Handle the
2124 pic base being in a pseudo.
2125 (arm_load_pic_register): Handle the pic register being in a pseudo.
2126 (arm_expand_prologue): Only set up the pic register if it is fixed.
2127 (thumb_expand_prologue): Likewise.
2128 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2129 (pic_load_addr_based_insn): Likewise.
2130 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2133 2006-01-18 Ben Elliston <bje@au.ibm.com>
2135 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2136 decimal float modes for all floating point registers.
2138 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2139 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2141 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2144 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2145 even when the pointer is not NULL.
2147 2006-01-16 Ian Lance Taylor <ian@airs.com>
2149 * common.opt (ftoplevel-reorder): New option.
2150 * cgraph.c (cgraph_asm_nodes): New global variable.
2151 (cgraph_asm_last_node): New static variable.
2152 (cgraph_order): New global variable.
2153 (cgraph_create_node): Set new order field.
2154 (cgraph_varpool_node): Likewise.
2155 (decide_is_variable_needed): Return true if not
2156 flag_toplevel_reorder.
2157 (cgraph_add_asm_node): New function.
2158 * cgraph.h (struct cgraph_node): Add order field.
2159 (struct cgraph_varpool_node): Add order field.
2160 (struct cgraph_asm_node): Define.
2161 (cgraph_asm_nodes, cgraph_order): Declare.
2162 (cgraph_add_asm_node): Declare.
2163 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2165 (cgraph_varpool_assemble_pending_decls): Call it.
2166 (cgraph_output_pending_asms): New static function.
2167 (cgraph_finalize_compilation_unit): Call it.
2168 (struct cgraph_order_sort): Define.
2169 (cgraph_output_in_order): New static function.
2170 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2171 !flag_toplevel_reorder case.
2172 * c-parser.c: Include "cgraph.h".
2173 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2175 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2176 than -fno-unit-at-a-time.
2177 * doc/invoke.texi (Option Summary): Mention
2178 -fno-toplevel-reorder.
2179 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2180 -funit-at-a-time documentation.
2182 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2183 Kazu Hirata <kazu@codesourcery.com>
2185 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2187 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2189 * Makefile.in (FUNCTION_H): New. Use it instead of
2190 function.h throughout the file.
2191 * function.h: Include tree.h.
2193 2006-01-17 Ben Elliston <bje@au.ibm.com>
2195 * recog.c: Separate some functions with whitespace.
2197 2006-01-16 Richard Henderson <rth@redhat.com>
2199 Merge from gomp branch:
2200 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2201 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2202 and rename from struct inline_data. Rename callee* to dst*;
2203 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2204 transform_new_cfg, transform_return_to_modify, and
2205 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2207 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2208 (copy_decl_for_dup): Remove.
2209 * tree-inline.c (struct inline_data): Move to header.
2210 (insert_decl_map): Export.
2211 (remap_decl): Update for member name changes. Use copy_decl hook.
2212 Allow for replacement to be a non-decl. Remove dead code.
2213 (remap_type_1): Check for existing mapping.
2214 (remap_type): Export.
2215 (remap_decls): Update for member name changes.
2216 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2217 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2218 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2219 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2220 (tree_function_versioning, build_duplicate_type): Likewise.
2221 (copy_body_r): Likewise. Export.
2222 (copy_decl_for_dup): Split into ...
2223 (copy_decl_for_dup_finish, copy_decl_to_var,
2224 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2225 (replace_ref_tree, inlining_p): Remove.
2227 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2229 * ifcvt.c (if_convert): Make it static.
2230 * rtl.h: Remove the prototype for if_convert.
2232 * local-alloc.c (local_alloc): Make it static.
2233 * rtl.h: Remove the prototype for local_alloc.
2235 * loop.c (loop_optimize): Make it static.
2236 * cfgloop.h: Remove the prototype for loop_optimize.
2239 2006-01-16 DJ Delorie <dj@redhat.com>
2241 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2244 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2246 * pa.md: Disparage copies between general and floating-point registers
2247 in 32-bit move patterns.
2249 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2252 * Makefile.in (check-%): Depend on site.exp instead of
2253 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2256 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2258 * global.c (global_alloc): Make it static.
2259 * rtl.h: Remove the prototype for global_alloc.
2261 2006-01-16 Richard Guenther <rguenther@suse.de>
2263 * tree-ssa-alias.c (struct used_part): Add write_only field.
2264 (get_or_create_used_part_for): Initialize it to true.
2265 (create_overlap_variables_for): Don't create structure variables
2266 for structures that only are written to.
2267 (find_used_portions): Handle MODIFY_EXPR to track whether a
2268 structure is only written to.
2270 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2272 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2274 * basic-block.h: Remove the prototype for
2275 partition_hot_cold_basic_blocks.
2277 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2279 * cppspec.c (lang_specific_spec_functions): Remove.
2280 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2281 * gcc.h (lang_specific_spec_functions): Remove.
2282 * gccspec.c (lang_specific_spec_functions): Remove.
2284 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2286 * combine.c (record_value_for_reg): Invalidate registers
2288 (record_dead_and_set_regs_1): Likewise, by passing them to
2289 record_value_for_reg.
2290 (record_dead_and_set_regs): Invalidate stores made by a
2291 call. We do not combine across a call, but we still
2292 relied on equivalences.
2294 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2296 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2297 vrp_int_const_binop returning non-constant nodes.
2299 2006-01-16 Paul Brook <paul@codesourcery.com>
2301 * config/m68k/m68k.c (output_move_const_into_data_reg):
2302 Output correct mnemonic for mvz and mvs.
2304 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2306 * rtl-factoring.c: Add sequence abstraction algorithm.
2307 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2308 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2310 (block_has_preserve_label): New function.
2311 * common.opt: Register new pass.
2312 * Makefile.in: Ditto.
2314 * timevar.def: Ditto.
2315 * tree-pass.h: Ditto.
2316 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2317 * rtl.h (make_jump_insn_raw): Add forward decl.
2318 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2320 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2321 Roger Sayle <roger@eyesopen.com>
2323 * fold-const.c (fold_minmax): New static function.
2324 (fold_binary) <MIN_EXPR>: Call it.
2325 <MAX_EXPR>: Likewise.
2326 * stor-layout.c (place_field): Use DECL_SIZE consistently
2327 in the computation of the new record size.
2329 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2331 * cse.c (cse_condition_code_reg): Make it static.
2332 * rtl.h: Remove the prototype for cse_condition_code_reg.
2334 * combine.c (combine_instructions): Make it static.
2335 * rtl.h: Remove the prototype for combine_instructions.
2337 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2340 * tree.c (get_file_function_name_long): Concatenate the first global
2341 object name with a string derived from the input filename of the object
2344 2006-01-16 Ben Elliston <bje@au.ibm.com>
2346 * config/i386/winnt-stubs.c: Update FSF address.
2347 * config/xtensa/ieee754-df.S: Ditto.
2348 * config/xtensa/ieee754-sf.S: Ditto.
2350 2006-01-14 Ian Lance Taylor <ian@airs.com>
2352 * ifcvt.c (noce_init_if_info): New static function, broken out of
2353 noce_process_if_block.
2354 (noce_process_if_block): Call noce_init_if_info.
2355 (check_cond_move_block): New static function.
2356 (cond_move_process_if_block): New static function.
2357 (process_if_block): Call cond_move_process_if_block.
2359 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2361 * cselib.c (hash_table): Rename to cselib_hash_table.
2362 (cselib_clear_table, discard_useless_values,
2363 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2364 cselib_init, cselib_finish): Adjust uses of hash_table.
2366 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2368 PR tree-optimization/25485
2369 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2370 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2371 is known to be false and true, respectively.
2373 2006-01-14 Richard Guenther <rguenther@suse.de>
2375 PR tree-optimization/22548
2376 PR tree-optimization/22555
2377 PR tree-optimization/22501
2378 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2379 * params.def (salias-max-array-elements): New parameter.
2380 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2381 * doc/invoke.texi (salias-max-array-elements): Document.
2382 * tree-flow-inline.h (var_can_have_subvars): We also handle
2384 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2386 * tree-ssa-structalias.c (params.h): Include.
2387 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2388 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2389 (get_constraint_for): For ADDR_EXPR operating on something
2390 containing an ARRAY_REF, add all subvars to the solution.
2391 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2392 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2393 for creating MUST_DEFs.
2394 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2396 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2398 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2400 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2401 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2402 number_of_iterations_le): New functions.
2403 (number_of_iterations_special): Removed.
2404 (number_of_iterations_exit): Do not use number_of_iterations_special.
2405 * tree.c (unsigned_type_for): Always return integer type.
2407 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2408 Richard Guenther <rguenther@suse.de>
2410 PR rtl-optimization/24257
2411 * gcse.c (find_moveable_store): Only consider a store movable
2412 when the SET_SRC of the insn can be assigned to a register.
2414 2006-01-14 Ian Lance Taylor <ian@airs.com>
2416 * tree.c (tree_not_class_check_failed): New function.
2417 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2418 (tree_not_class_check_failed): Declare.
2420 2006-01-13 Ian Lance Taylor <ian@airs.com>
2422 * reload1.c (do_output_reload): Add assertion rejecting a
2425 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2427 * combine.c (struct reg_stat): Add new fields truncation_label and
2429 (record_value_for_reg): Reset truncated_to_mode.
2430 (record_truncated_value): New function.
2431 (check_promoted_subreg): Call it. Rename to check_conversions.
2432 (combine_instructions): Rename check_promoted_subreg to
2434 (reg_truncated_to_mode): New function.
2435 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2436 (gen_lowpart_or_truncate): New function.
2437 (force_to_mode): Use it instead of gen_lowpart.
2439 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2441 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2442 VAR is a tag, not its type tag.
2444 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2446 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2447 alternatives to match style of other entries.
2448 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2450 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2452 PR tree-optimization/25771
2453 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2456 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2459 * tree-inline.c (declare_return_variable): If the return variable
2460 was marked as a non gimple complex, set the return slot variable
2461 to be a non gimple comple variable.
2463 2006-01-13 Richard Guenther <rguenther@suse.de>
2465 * builtins.c (expand_builtin_sincos): New function.
2466 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2468 (expand_builtin): Expand sincos using expand_builtin_sincos.
2470 2006-01-12 DJ Delorie <dj@redhat.com>
2472 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2473 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2474 so that constant shifts can be split.
2475 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2476 (m32c_valid_pointer_mode): Make static.
2477 (shift_gen_func_for): New.
2478 (m32c_prepare_shift): Use it. Split large const shifts into
2480 * config/m32c/predicates.md (shiftcount_operand): Allow more
2482 (longshiftcount_operand): New.
2483 * doc/md.texi (Machine Constraints): Document In6.
2485 2006-01-13 Ben Elliston <bje@au.ibm.com>
2487 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2488 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2491 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2493 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2494 to try to avoid clobbering pieces of structures when we know
2495 something about the whole structure.
2496 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2498 2006-01-13 Ben Elliston <bje@au.ibm.com>
2500 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2501 return in memory, as this is no limitation is no longer present.
2503 2006-01-12 DJ Delorie <dj@redhat.com>
2505 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2506 mova with fb, and for fb+0 -> An.
2508 * config/m32c/mov.md (peephole2): Fix enabling logic.
2510 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2511 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2512 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2513 FINI_ARRAY_SECTION_ASM_OP): Define.
2515 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2517 (m32c_legitimize_reload_address): New logic to reload FB to An.
2518 (m32c_output_reg_push): Add newline.
2519 (m32c_output_reg_pop): Likewise.
2521 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2523 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2525 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2527 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2529 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2531 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2534 2006-01-11 Ben Elliston <bje@au.ibm.com>
2536 * rtlanal.c (find_reg_note): Assert insn is not null.
2538 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2540 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2543 2006-01-11 Jeff Law <law@redhat.com>
2545 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2547 (mark_threaded_blocks, register_jump_thread): New functions.
2548 (thread_through_all_blocks): Remove unwanted argument. No
2549 longer rely on e->aux to communicate thread target info.
2550 Call mark_threaded_blocks. Release the threaded_blocks
2551 bitmap and threaded_edges vector when complete.
2552 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2553 (threaded_blocks): Remove.
2554 (tree_ssa_dominator_optimize): Remove initialization and
2555 finalization of threaded_blocks. Simplify call to
2556 thread_through_all_blocks.
2557 (thread_across_edge): Call register_jump_thread rather than
2558 storing thread information into e->aux.
2559 (free_all_edge_infos): Simplify now that e->aux is no longer
2560 used to communicate with thread_through_all_blocks.
2561 * tree-flow.h (thread_through_all_blocks): Update prototype.
2562 (register_jump_thread): Prototype.
2564 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2566 * df-core.c (df_compact_blocks, df_bb_replace): Use
2567 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2569 2006-01-11 Richard Guenther <rguenther@suse.de>
2571 PR tree-optimization/25734
2572 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2573 stop propagation after successful propagation to the LHS.
2575 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2577 * basic-block.h (control_flow_graph): Change the type of
2578 x_basic_block_info to VEC(basic_block,gc) *.
2579 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2581 (SET_BASIC_BLOCK): New.
2582 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2583 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2584 * cfgbuild.c (find_basic_blocks): Likewise.
2585 * cfglayout.c (fixup_reorder_chain): Likewise.
2586 * cfgrtl.c (create_basic_block_structure,
2587 rtl_create_basic_block): Likewise.
2588 * ifcvt.c (find_if_case_1): Likewise.
2589 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2592 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2594 * Makefile.in: Removed rotted odf.c entry.
2596 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2599 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2600 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2601 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2602 output pattern modifier, not %e.
2603 * config/cris/cris.c (cris_op_str): Update comment about pattern
2605 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2606 before falling through into...
2607 <case 'E'>: Redefined from old 'e' case.
2609 2006-01-11 Jan Hubicka <jh@suse.cz>
2612 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2614 2006-01-11 Jan Hubicka <jh@suse.cz>
2616 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2617 * i386.c (x86_decompose_lea): Kill.
2618 (ix86_rtx_costs): Kill.
2620 2006-01-11 Jan Hubicka <jh@suse.cz>
2622 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2623 * cgraph.h (cgraph_node): Add inline_decl.
2624 (cgraph_insert_node_to_hashtable): Declare.
2625 (save_inline_function_body): Declare.
2626 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2628 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2629 (cgraph_function_versioning): Update call of tree_function_versioning.
2630 (save_inline_function_body): New function.
2631 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2632 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2633 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2634 (cgraph_default_inline_p): Likewise.
2635 (cgraph_decide_inlining_incrementally): Likewise.
2636 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2637 (copy_bb): Kill saving; do updating of clones.
2638 (copy_cfg_body): Kill saving.
2639 (initialize_inlined-parameters): Likewise.
2640 (expand_call_inline): Likewise.
2642 (tree_function_versioning): New parameter "update_clones".
2643 (inlining_p): Kill saving.
2644 * tree-inline.h (tree_function_versioning): Update prototype.
2645 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2648 2006-01-11 Ian Lance Taylor <ian@airs.com>
2650 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2651 Allow undoing set of machine mode.
2652 (do_SUBST): Use enums instead of is_int.
2653 (do_SUBST_MODE): New function.
2654 (SUBST_MODE): New macro.
2655 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2656 reg and trying to replace reg_regno_rtx with a new register.
2657 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2658 (simplify_set): Use SUBST_MODE.
2659 (distribute_notes): Remove code that tried to update reg notes
2660 for regno_reg_rtx changes.
2662 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2664 PR tree-optimization/23109
2665 PR tree-optimization/23948
2666 PR tree-optimization/24123
2668 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2669 * tree-cfg.c (single_noncomplex_succ): New.
2670 * tree-flow.h (single_noncomplex_succ): Declare it.
2671 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2672 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2673 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2674 insert_bb, register_division_in, insert_reciprocals,
2675 replace_reciprocal, free_bb): New.
2676 (execute_cse_reciprocals_1): Rewritten.
2677 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2678 Do not commit any edge insertion. Always compute dominators and
2679 create the allocation pool.
2680 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2681 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2682 * targhooks.c (default_min_divistions_for_recip_mul): New.
2683 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2684 * passes.c (init_optimization_passes): Run recip after tree loop
2686 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2688 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2689 Kenneth Zadeck <zadeck@naturalbridge.com>
2691 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2692 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2693 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2694 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2695 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2696 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2697 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2698 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2699 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2700 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2701 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2702 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2703 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2704 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2705 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2706 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2707 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2708 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2709 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2710 DF_SCAN_POST_ALLOC): New macros.
2711 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2712 df_free_bb_function, df_local_compute_function, df_init_function,
2713 df_dataflow_function, df_confluence_function_0,
2714 df_confluence_function_n, df_transfer_function,
2715 df_finalizer_function, df_free_function, df_dump_problem_function,
2716 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2717 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2718 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2719 df_urec_bb_info, ) New types.
2720 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2722 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2723 df_analyze_simple_change_some_blocks,
2724 df_analyze_simple_change_one_block, df_compact_blocks,
2725 df_bb_replace, df_bb_regno_last_use_find,
2726 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2727 df_insn_regno_def_p, df_find_def, df_find_use,
2728 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2729 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2730 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2731 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2732 debug_df_chain, df_get_dependent_problem, df_chain_create,
2733 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2734 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2735 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2736 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2737 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2738 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2739 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2740 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2741 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2742 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2743 df_reorganize_refs, df_set_state, df_hard_reg_init,
2744 df_read_modify_subreg_p) New public functions.
2745 * df-core.c: The core dataflow solver and glue routines for rtl
2747 (df_init, df_add_problem, df_set_blocks, df_finish,
2748 df_hybrid_search_forward, df_hybrid_search_backward,
2749 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2750 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2751 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2752 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2753 df_reg_defined, df_find_use, df_reg_used, df_dump,
2754 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2755 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2756 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2757 debug_df_useno, reset_df_after_reload): New functions.
2758 * df-scan.c: The scanning fuctions, once in df.c, completely
2759 rewritten so that they now fully model the functionality of
2760 register usage at the backend.
2761 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2762 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2763 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2764 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2765 df_get_artificial_defs, df_get_artificial_uses,
2766 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2767 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2768 df_refs_delete, df_reorganize_refs, df_set_state,
2769 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2770 df_def_record_1, df_defs_record, df_uses_record,
2771 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2772 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2773 df_record_exit_block_uses, df_hard_reg_init): New functions.
2775 * df-problems.c: Seven concrete dataflow problems that use the
2776 scanning in df-scan.c and are solved by the engine in df-core.c.
2777 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2778 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2779 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2780 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2781 df_ru_free_bb_info, df_ru_alloc,
2782 df_ru_bb_local_compute_process_def,
2783 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2784 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2785 df_ru_transfer_function, df_ru_free, df_ru_dump,
2786 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2787 df_rd_free_bb_info, df_rd_alloc,
2788 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2789 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2790 df_rd_transfer_function, df_rd_free, df_rd_dump,
2791 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2792 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2793 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2794 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2795 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2796 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2797 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2798 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2799 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2800 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2801 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2802 df_urec_mark_reg_use_for_earlyclobber,
2803 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2804 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2805 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2806 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2807 df_chain_create_bb_process_use, df_chain_create_bb,
2808 df_chain_finalize, df_chain_free, df_chains_dump,
2809 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2810 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2811 df_reg_lifetime): New functions.
2812 * df.c: Deleted file.
2813 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2814 consistent with new df api.
2815 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2816 rest_of_handle_sms): Ditto.
2817 * web.c (unionfind_union, union_defs, entry_register, web_main):
2819 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2820 invariant_expr_equal_p, find_defs, check_dependencies,
2821 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2822 free_inv_motion_data, move_loop_invariants): Ditto.
2823 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2824 Update dependencies.
2825 (odf.c): Added defective entry that was deleted later in day.
2826 * sched-deps.c (sched_analyze_1): Ditto.
2828 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2830 * tree-ssa-operands.c (get_expr_operands): Record addressable
2831 variables directly. Do not call add_stmt_operands for CONST_DECLs
2833 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2834 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2836 2006-01-11 Ben Elliston <bje@au.ibm.com>
2838 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2839 function returns true in the positive case.
2841 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2844 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2845 for SI, DI, SF and DF modes. Add alternatives to copy between
2846 general and floating point registers to the 32-bit patterns.
2847 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2848 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2849 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2850 generating 64-bit code.
2851 * config/pa/pa.c (output_move_double): Handle copies between general
2852 and floating registers.
2854 2006-01-10 Stuart Hastings <stuart@apple.com>
2856 * config/i386/i386.md (set_got): Update.
2857 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2858 (builtin_setjmp_receiver): Mach-O support.
2859 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2860 (GOT_SYMBOL_NAME): Define.
2861 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2862 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2863 * config/i386/i386.c (override_options): Revise for Darwin.
2864 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2865 support. (darwin_x86_file_end): New. (output_set_got): Add label
2866 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2867 * config/i386/i386-protos.h (output_set_got): Likewise.
2868 * config/darwin.c (machopic_legitimize_pic_address): Update
2871 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2873 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2874 when MODE isn't BLKmode.
2876 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2878 PR rtl-optimization/25367
2879 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2881 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2884 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2885 for a negative bound.
2887 2006-01-10 Richard Guenther <rguenther@suse.de>
2889 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2890 Never override with anything constraint.
2892 2006-01-10 Jan Beulich <jbeulich@novell.com>
2894 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2895 256 bits when optimize_size.
2897 2006-01-10 Jan Beulich <jbeulich@novell.com>
2899 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2901 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2902 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2905 2006-01-10 Ben Elliston <bje@au.ibm.com>
2907 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2909 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2910 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2911 (USE_FP_FOR_ARG): Reject decimal float modes.
2912 (function_arg_advance): Likewise.
2913 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2914 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2915 point types in AltiVec vectors.
2916 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2917 (rs6000_libcall_value): Likewise.
2919 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2921 * config/xtensa/ieee754-df.S: New file.
2922 * config/xtensa/ieee754-sf.S: New file.
2923 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2924 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2925 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2927 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2929 * config/sh/predicates.md (binary_float_operator,
2930 binary_logical_operator, commutative_float_operator,
2931 equality_comparison_operator, greater_comparison_operator,
2932 less_comparison_operator, logical_operator,
2933 noncommutative_float_operator, shift_operator,
2934 symbol_ref_operand, unary_float_operator): Remove redundant
2937 2006-01-09 Jeff Law <law@redhat.com>
2939 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2940 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2941 now unused arguments. Callers updated.
2942 (eliminate_redundant_computations): Remove now unused arguments,
2944 (local_fold): Remove, no longer used.
2945 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2947 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2948 (simplify_cond): New function.
2949 (forward_propagate_into_cond): Call simplify_cond.
2951 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2953 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2954 (*vec_extractv2di_1_sse): New.
2956 2006-01-09 Ben Elliston <bje@au.ibm.com>
2958 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2960 2006-01-08 Richard Guenther <rguenther@suse.de>
2962 * tree-ssa-structalias.c (get_constraint_for): Remove
2964 (get_constraint_for_component_ref): Likewise.
2965 (do_deref): Likewise.
2966 (get_constraint_for): Likewise.
2967 (do_structure_copy): Likewise.
2968 (handle_ptr_arith): Likewise.
2969 (find_func_aliases): Likewise. Remove unused need_anyoffset
2972 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2973 Kaz Kojima <kkojima@gcc.gnu.org>
2975 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2976 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2977 (EXTRA_CONSTRAINT_C16): Remove.
2978 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2979 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2980 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2981 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2982 constants of SHmedia. Handle nested constant expressions of
2984 (andcosts): Fix the costs for SHmedia constants.
2985 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2986 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2987 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2988 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2989 (movv4hi_i, movv2si_i): Likewise.
2990 (movsi_const): Adjust the second operand of ior so to match with
2992 (movdi_const, movdi_const_32bit): Likewise.
2993 (movdi_const_16bit+1): Don't sign-extend LOW.
2994 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2996 (*double_shori): Fix the split condition. Use GEN_INT instead
2997 of get_int_mode calls. Mask lower 16-bit of the argument of
2999 (sym2GOTPLT): Remove.
3000 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3002 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3003 instead of EXTRA_CONSTRAINT_C16.
3005 2006-01-07 Ian Lance Taylor <ian@airs.com>
3006 David Edelsohn <edelsohn@gnu.org>
3008 PR rtl-optimization/25662
3009 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3010 for constant operands instead of simplify_gen_binary.
3011 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3012 after trying simplify_binary_operation
3014 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3016 * tree.c (iterative_hash_expr): Hash decls based on UID.
3018 2006-01-06 Eric Christopher <echristo@apple.com>
3020 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3021 (TARGET_UNWIND_EMIT): Fix spelling.
3022 * target.h (gcc_target): Add except_table_label.
3023 * except.c (output_function_exception_table): Use.
3024 * varasm.c (default_emit_except_table_label): New.
3025 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3027 (asm_out): Add here.
3028 * output.h (default_emit_except_table_label): Prototype.
3029 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3030 * config/darwin.c (darwin_emit_except_table_label): Define.
3031 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3033 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3035 PR tree-optimization/18527
3036 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3037 number_of_iterations_special, number_of_iterations_exit):
3038 Move base and step of an iv to a single structure. Add
3039 no_overflow flag, and use it in # of iterations analysis.
3040 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3041 folded_casts argument.
3042 (simple_iv): Pass base and step in a structure. Set no_overflow
3044 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3045 Evaluate expensiveness of computing # of iterations instead of
3046 the final expression.
3047 * tree-scalar-evolution.h (affine_iv): New structure.
3048 (simple_iv): Declaration changed.
3049 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3050 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3051 find_givs_in_stmt): Changed due to simple_iv change.
3053 2006-01-06 Jeff Law <law@redhat.com>
3056 * tree-cfg.c (bsi_replace): Rename final argument from
3057 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3058 change (stmt -> orig_stmt).
3059 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3060 (bsi_remove): Add new argument. Remove EH information
3062 (verify_eh_throw_table_statements): New function.
3063 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3065 * tree-optimize.c (execute_free_cfg_annotations): Verify
3066 the EH throw statement table after removing annotations.
3067 * except.h (verify_eh_throw_table_statements): Prototype.
3068 * tree-flow.h (bsi_remove): Update prototype.
3069 * tree-vrp.c (remove_range_assertions): Add new argument to
3071 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3072 * tree-complex.c (expand_complex_div_wide): Likewise.
3073 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3074 * tree-tailcall.c (eliminate_tailcall): Likewise.
3075 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3076 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3077 * tree-nrv.c (tree_nrv): Likewise.
3078 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3079 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3080 (combine_blocks): Likewise.
3081 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3082 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3083 (cleanup_control_flow): Likewise.
3084 (remove_forwarder_block): Likewise.
3085 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3086 * tree-sra.c (sra_replace): Likewise.
3087 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3088 (forward_propagate_single_use_vars): Likewise.
3089 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3090 * tree-inline.c (expand_call_inline): Likewise.
3091 * tree-vect-transform.c (vect_transform_loop): Likewise.
3092 * tree-outof-ssa.c (rewrite_trees): Likewise.
3093 * tree-cfg.c (make_goto_expr_edges): Likewise.
3094 (cleanup_dead_labels): Likewise.
3095 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3096 (bsi_move_before, bsi_move_after): Likewise.
3097 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3098 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3100 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3103 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3105 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3106 on non gimple variables. Also add checks at the top for decls and
3108 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3110 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3111 and IMAGPART_EXPR for creating MUST_DEFs.
3112 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3113 and NAME_MEMORY_TAG separately from the DECLs.
3115 2006-01-06 Richard Guenther <rguenther@suse.de>
3117 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3118 annotation, if necessary.
3119 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3120 redundant calls to update_stmt.
3121 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3124 2006-01-05 Richard Henderson <rth@redhat.com>
3126 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3128 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3130 * c-typeck.c: Update copyright date.
3132 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3134 * c-typeck.c (build_c_cast): Always warn when casting
3135 from a pointer to an integer of different size, even if
3136 the node was constant.
3138 2006-01-05 Richard Guenther <rguenther@suse.de>
3140 PR tree-optimization/22555
3141 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3142 if one structure field is an array.
3143 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3144 operands even if we found a subvar, but ignore VOPs in this
3146 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3148 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3150 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3153 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3155 2006-01-05 Richard Guenther <rguenther@suse.de>
3156 Diego Novillo <dnovillo@redhat.com>
3158 * tree-pass.h (TODO_remove_unused_locals): Define.
3159 * gimple-low.c (expand_var_p, remove_useless_vars,
3160 pass_remove_useless_vars): Remove. Update all users.
3161 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3162 (remove_unused_locals): New function.
3163 * tree-flow.h (remove_unused_locals): Declare.
3164 * passes.c (execute_todo): Call remove_unused_locals if
3165 TODO_remove_unused_locals is set.
3166 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3167 * tree-ssa-dce.c (pass_dce): Likewise.
3168 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3170 2006-01-05 Richard Guenther <rguenther@suse.de>
3172 * tree-flow.h (struct fieldoff): Decompose field to
3173 type, size and decl.
3174 * tree-ssa-alias.c (create_sft): Take type as parameter.
3175 (create_overlap_variables_for): Store type, size and decl
3176 in the fieldoff structure.
3177 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3179 (push_fields_onto_fieldstack): Likewise.
3180 (create_variable_info_for): Likewise. Use offset for the
3181 SFT name if the decl is not available.
3183 2006-01-04 Paul Brook <paul@codesourcery.com>
3185 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3187 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3189 * lambda-code.c (can_put_in_inner_loop): Relax
3191 (can_put_after_inner_loop): New function.
3192 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3193 (perfect_nestify): Change to make copies and modify uses.
3195 2006-01-04 Richard Henderson <rth@redhat.com>
3197 Merge from gomp branch:
3198 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3199 via integer constant.
3200 (pragma_lex): Remove.
3201 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3202 rather than parsing it.
3203 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3204 handle_pragma_extern_prefix): Add %< %> quotes.
3205 (registered_pragmas): New.
3206 (c_register_pragma_1): New.
3207 (c_register_pragma): Use it.
3208 (c_register_pragma_with_expansion): Likewise.
3209 (c_invoke_pragma_handler): New.
3210 (init_pragma): Use cpp_register_deferred_pragma directly for
3212 * c-pragma.h (enum pragma_kind): New.
3213 (pragma_handler): New.
3214 (c_invoke_pragma_handler): Declare.
3215 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3217 * c-common.h (c_common_pch_pragma): Update decl.
3218 * Makefile.in (c-parser.o): Update dependencies.
3219 (GTFILES): Add c-pragma.h.
3220 * c-parser.c (struct c_token): Add pragma_kind.
3221 (struct c_parser): Add in_pragma.
3222 (c_lex_one_token): Always initialize keyword and pragma_kind.
3223 Extract data for CPP_PRAGMA.
3224 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3225 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3226 Don't allow CPP_PRAGMA_EOL if in_pragma.
3227 (c_parser_consume_pragma): New.
3228 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3229 (c_parser_skip_to_end_of_parameter): Likewise.
3230 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3231 (c_parser_skip_to_pragma_eol): New.
3232 (c_parser_external_declaration): Handle CPP_PRAGMA.
3233 (c_parser_compound_statement_nostart): Likewise.
3234 (c_parser_statement_after_labels): Likewise.
3235 (c_parser_pragma): New.
3236 (pragma_lex): Likewise.
3237 (c_parser_pragma_pch_preprocess): New.
3238 (c_parser_new): Merge into ...
3239 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3241 2006-01-04 Jeff Law <law@redhat.com>
3244 * tree-cfg.c (bsi_replace): Remove the original statement
3245 from the EH throw statement table.
3247 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3249 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3250 make the prototype extern "C" and add throw ().
3253 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3254 and pos non-negative and pos + len <= 32.
3255 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3256 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3257 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3260 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3261 as well as sizes not multiple of component size.
3264 * function.c (instantiate_expr): New function.
3265 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3266 walk its DECL_VALUE_EXPR with instantiate_expr.
3268 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3269 DW_OP_deref{,_size} if address isn't going to be added.
3271 2006-01-04 Ben Elliston <bje@au.ibm.com>
3273 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3274 * config/fp-bit.c: Likewise.
3276 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3278 * dominance.c: Add comment about why we use DFS numbering
3281 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3282 Richard Henderson <rth@redhat.com>
3284 Merge from gomp-branch:
3285 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3286 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3288 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3290 PR rtl-optimization/25578
3291 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3292 pass a parameter to simplify_shift_const if changing ASHIFTRT
3295 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3297 * builtins.c (get_builtin_sync_mem): New function.
3298 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3299 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3300 Call get_builtin_sync_mem to generate mem rtx.
3302 2006-01-03 Richard Guenther <rguenther@suse.de>
3305 * stmt.c (add_case_node): Make sure to clear overflow flags
3308 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3310 Merge from gomp-branch.
3311 * config/sparc/sync.md: New file.
3312 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3313 UNSPECV_LDSTUB): New constants.
3314 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3315 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3316 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3319 2006-01-03 Roger Sayle <roger@eyesopen.com>
3321 * combine.c (reg_subword_p): New predicate to test whether the
3322 destination of a set refers to a subword/piece of a register.
3323 (try_combine): Generalize the code to merge the setting of a
3324 pseudo to a constant followed by a set of a subword of that
3325 register to a constant.
3327 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3329 * basic-block.h (control_flow_graph): Change the type of
3330 x_label_to_block_map to VEC(basic_block,gc) *.
3331 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3332 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3334 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3335 VEC(basic_block,heap) *.
3336 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3337 ssa_prop_fini): Adjust the uses of cfg_blocks.
3339 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3341 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3343 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3344 hashing trees instead of a pointer hash.
3345 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3346 compare for MEM_EXPR.
3348 PR rtl-optimization/25130
3349 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3350 when comparing MEMs for GCSE
3352 2006-01-03 Ben Elliston <bje@au.ibm.com>
3354 * targhooks.h (default_decimal_float_supported_p): Declare.
3355 * targhooks.c (default_decimal_float_supported_p): Define.
3356 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3357 `default_decimal_float_supported_p'.
3358 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3360 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3362 * combine.c (apply_distributive_law <SUBREG>): Check
3363 TRULY_NOOP_TRUNCATION.
3365 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3367 * dwarf2out.c (have_switched_text_section): Delete.
3368 (have_multiple_function_sections): New.
3369 (have_location_lists): Make 'bool'.
3370 (add_AT_loc_list): Use 'true' not '1'.
3371 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3372 (output_loc_list): Use have_multiple_function_sections.
3373 (output_ranges): Likewise.
3374 (dwarf2out_begin_function): Set have_multiple_function_sections if
3376 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3377 Check function_section rather than DECL_SECTION_NAME.
3378 (dwarf2out_finish): Use have_multiple_function_sections.
3379 Don't clear have_location_lists.
3381 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3382 Jan Hubicka <jh@suse.cz>
3384 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3385 case of conditional jump jumping to the next instruction.
3386 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3387 cases of conditional jump jumping to the next instruction.
3389 2006-01-02 Jan Hubicka <jh@suse.cz>
3391 * i386.c (*_cost): Add COSTS_N_INSNS.
3392 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3394 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3397 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3399 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3401 * config/arm/arm.c (all_fpus): Fix comment typo.
3402 * config/darwin.c: Likewise.
3403 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3404 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3405 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3407 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3409 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3410 (rs6000_split_compare_and_swapqhi): New.
3411 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3412 (sync_compare_and_swapqhi_internal): New.
3413 * config/rs6000/rs6000-protos.h: Declare.