1 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6 * tree.c (build_qualified_type): Chain the new type to the original
7 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9 (build_pointer_type_for_mode): Only return unqualified types.
10 (build_reference_type_for_mode): Likewise.
12 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15 * Makefile.in (CXX_COMPAT_WARN): Define.
16 * configure: Regenerate.
18 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
21 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
24 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
26 * toplev.c: Fix thinko.
28 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
29 Marcin Dalecki <martin@dalecki.de>
31 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
32 (push_srcloc): Use XNEW.
33 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
35 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
37 * df-core.c (df_set_blocks): Deleted all variable.
39 2006-01-28 Ian Lance Taylor <ian@airs.com>
41 * cgraphunit.c (cgraph_assemble_pending_functions): Call
42 cgraph_output_pending_asms.
44 2006-01-28 Zack Weinberg <zackw@panix.com>
46 * c.opt: Add -W(no-)overlength-strings.
47 * doc/invoke.texi: Document it.
48 * c-opts.c (c_common_handle_option): -pedantic implies
49 -Woverlength-strings, if not explicitly disabled already.
50 (c_common_post_options): -Woverlength-strings defaults to off, and
51 is always off for C++.
52 * c-common.c (fix_string_type): Issue warning about strings longer
53 than is portable only if warn_overlength_strings. Rearrange code
55 * configure.in: Check for -Wno-overlength-strings as well before
56 enabling -pedantic in stage 1.
57 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
58 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
60 * genconditions.c (write_header, write_one_condition)
61 (write_conditions, write_writer): Consolidate very long strings
62 that were broken up to fit in C89 portable limit. Don't use
63 printf when fputs will do.
65 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
67 * combine.c (simplify_comparison <AND>): Check
68 TRULY_NOOP_TRUNCATION before start using a subreg.
70 * config/mips/mips.md (*branch_zero<mode>,
71 *branch_zero<mode>_inverted, *branch_equality<mode>,
72 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
73 Remove mode check from comparisons.
75 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
77 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
79 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
81 * expmed.c (const_mult_add_overflow_p): Remove.
82 * expr.h: Remove the prototype for const_mult_add_overflow_p.
84 * recog.c (validate_replace_rtx_subexp): Remove.
85 * recog.h: Remove the prototype for
86 validate_replace_rtx_subexp.
88 * integrate.h: Remove the prototype for
89 copy_decl_for_inlining.
90 * rtl.h: Remove the prototype for mark_constant_function.
91 * tree-vectorizer.h: Remove the prototype for
92 vect_strip_conversion.
94 * modulo-sched.c (create_partial_schedule,
95 free_partial_schedule, reset_partial_schedule): Make them
98 * hooks.c (hook_bool_rtx_int_false): Remove.
99 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
101 2006-01-28 David Edelsohn <edelsohn@gnu.org>
103 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
104 and -mlong-double-128 are incompatible.
105 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
106 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
107 (TARGET_LIBGCC2_CFLAGS): Define.
108 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
109 (TARGET_LIBGCC2_CFLAGS): Same.
110 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
112 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
115 * c-typeck.c (build_binary_op): Perform implicit casts of
116 operands before shortening them.
118 * cfgloopmanip.c (split_loop_bb): Remove.
119 * cfgloop.h: Remove the prototype for split_loop_bb.
121 * cfgloop.c (flow_loop_outside_edge_p): Remove.
122 * cfgloop.h: Remove the prototype for
123 flow_loop_outside_edge_p.
125 * emit-rtl.c (init_virtual_regs): Make it static.
126 * function.h: Remove the prototype for init_virtual_regs.
128 * recog.c (peephole2_optimize): Make it static.
129 * recog.h: Remove the prototype for peephole2_optimize.
131 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
133 * df-scan.c (df_record_entry_block_defs): Check if
134 INCOMING_RETURN_ADDR_RTX is defined.
136 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
137 Kenneth Zadeck <zadeck@naturalbridge.com>
139 PR rtl-optimization/24762
140 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
141 * targhooks.c (hook_void_bitmap): New hook prototype.
142 * targhoohs.h (hook_void_bitmap): Ditto.
143 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
144 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
145 * target.h (live_on_entry): New function pointer.
146 * df-scan.c (df_all_hard_regs): Removed.
147 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
148 (df_scan_free_internal): Added df->entry_block_defs.
149 (df_scan_alloc): Ditto.
150 (df_scan_dump): Ditto.
151 (df_uses_record): Plumbed flag field properly thru calls.
152 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
153 This part fixes PR24762.
154 (df_bb_refs_record): Added code to make the frame and arg
155 pointers live in EH blocks.
156 (df_refs_record): Added call to df_record_entry_block_defs.
157 (df_record_entry_block_defs): New function.
158 * df-core.c: Added comments to describe new artifical defs.
159 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
160 (entry_block_defs): New field in struct df.
161 (df_all_hard_regs): Deleted.
162 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
163 * df-problems.c (df_ru_bb_local_compute_process_def):
164 Added code to handle artifical defs in the entry to a function.
165 (df_ru_bb_local_compute): Ditto.
166 (df_rd_bb_local_compute_process_def): Ditto.
167 (df_rd_bb_local_compute): Ditto.
168 (df_lr_bb_local_compute): Ditto.
169 (df_ur_bb_local_compute): Ditto.
170 (df_urec_bb_local_compute): Ditto.
171 (df_chain_create_bb): Ditto.
172 (df_ur_local_finalize): Removed entry.
173 (df_urec_init): Ditto.
174 (df_urec_local_finalize): Ditto.
175 (df_ri_bb_compute): Added detection of last use of pseudos.
176 * Makefile.in (df-scan.o): Updated dependencies.
177 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
178 * config/mips/mips.c (mips_set_live_on_entry): Added.
179 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
181 * dce.c (marked_insn_p): Added code to handle artifical defs.
183 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
185 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
187 (_mm_cvtsi128_si64): Likewise.
188 (_mm_cvtsd_si64): Likewise.
189 (_mm_cvttsd_si64): Likewise.
190 (_mm_cvtsi64_sd): Likewise.
191 (_mm_cvtsi64_si128): Likewise.
192 * config/i386/mmintrin.h (_m_from_int64): Likewise.
193 (_mm_cvtsi64_m64): Likewise.
194 (_m_to_int64): Likewise.
195 (_mm_cvtm64_si64): Likewise.
196 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
197 (_mm_cvttss_si64): Likewise.
198 (_mm_cvtsi64_ss): Likewise.
199 (_mm_cvtss_f32): Likewise.
201 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
203 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
204 for pragma redefine_extname.
206 2006-01-27 Jakub Jelinek <jakub@redhat.com>
209 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
210 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
211 -mno-minimal-toc to previous content.
212 (bispecs): Remove goal.
213 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
214 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
215 compatibility aliases on powerpc-*-*gnu*.
216 * config/rs6000/libgcc-ppc-glibc.ver: New file.
217 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
218 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
219 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
220 (ldblspecs): New goal.
221 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
222 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
224 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
225 L_sf_to_tf or L_df_to_tf is defined.
227 2006-01-27 David Edelsohn <edelsohn@gnu.org>
228 Alan Modra <amodra@bigpond.net.au>
231 * config/rs6000/linux.h (POWERPC_LINUX): Define.
232 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
233 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
234 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
235 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
236 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
237 (rs6000_override_options): Initialize rs6000_ieeequad.
238 Initialize TFmode format to ibm_extended_format if not
240 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
242 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
243 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
244 (function_arg_advance): IBM long double passed in two FPRs, not
246 (function_arg): IBM long double passed in FPRs.
247 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
248 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
249 Only multireg GPR aligned.
250 (rs6000_init_libfuncs): Enable IBM long double functions if not
252 (rs6000_generate_compare): Use IBM long double compare if not
254 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
255 (TARGET_IEEEQUAD): Define.
256 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
258 * config/rs6000/rs6000.md: Enable TFmode patterns if
260 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
261 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
262 and -mlong-double-128 are incompatible.
263 * doc/invoke.texi (-mabi): Collect options together. Add
264 ibmlongdouble and ieeelongdouble.
266 2006-01-27 Richard Sandiford <richard@codesourcery.com>
268 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
270 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
271 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
272 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
273 * rtl.h (rtunion_def): Remove rt_ptr.
275 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
276 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
277 * config/i386/winnt.c (i386_pe_mark_dllexport)
278 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
280 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
282 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
284 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
288 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
289 pthread_key_delete. From John David Anglin. gthrw-ify
290 pthread_getunique_np only if it it's not a macro. Delete
292 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
293 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
294 __gthread_objc_condition_signal, __gthread_key_delete): Add
295 "__attribute__ ((__unused__))" to unused arguments.
296 (__gthread_recursive_mutex_init_function): Add missing return.
297 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
298 gthr-posix95.h: Use macro-based approach for name redirection
299 on targets missing weakref.
301 2006-01-26 Zack Weinberg <zackw@panix.com>
303 * genconditions.c (write_header): In generated code, #ifdef out
304 all includes and fake declarations, except includes of bconfig.h
305 and system.h, unless GCC_VERSION >= 3001. Do not include
306 gensupport.h in any case.
307 (write_conditions): Generate a definition of struct c_test. Add
308 a comment to the generated #endif.
309 (write_one_condition): Escape backslashes in string too.
310 (write_writer): Generated code must escape backslashes and quote
311 marks (but not newlines) in the strings it writes.
312 * Makefile.in (build/gencondmd.o): Update dependencies.
314 2006-01-26 Steve Ellcey <sje@cup.hp.com>
317 * Makefile.in (insn-automata.o): Add header file dependencies.
318 * genautomata.c: Add includes.
320 2006-01-26 Steve Ellcey <sje@cup.hp.com>
323 * Makefile.in (insn-automata.o): Add -Wno-error flag.
325 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
327 * configure.ac: Expect target tools paths to be passed from the toplevel
328 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
330 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
332 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
335 * c.opt (Wpointer-sign): Init to -1.
336 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
337 OPT_pedantic, to 0 otherwise.
338 * doc/invoke.texi: Update.
340 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
342 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
343 constants provided by 80387 instructions in the destination mode.
345 2006-01-26 Richard Guenther <rguenther@suse.de>
346 Andrew Pinski <pinskia@physics.uc.edu>
349 partial PR tree-opt/17064
350 * tree-ssa-structalias.c (intra_create_variable_infos):
351 Create heap variables for incoming parameters if
352 flag_argument_noalias > 1.
353 (find_what_p_points_to): Look through default defs of
356 2006-01-26 Jeff Law <law@redhat.com>
359 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
360 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
361 within the VR_RANGE, use the VR_RANGE as the result, not the
363 (adjust_range_with_scev): Reject ranges from SCEV which are out
364 of bounds for the type.
366 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
368 * tree-ssa-alias.c (maybe_create_global_var): Change
369 subvar walking to an assertion that we don't have subvar'd variables.
371 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
374 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
375 Use a new variable, inner. PARM_DECLs are always non-weak.
377 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
379 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
382 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
384 * config/mips/mips.md (*clear_upper32): New combiner pattern.
386 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
388 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
389 (smax_insn, smin_insn, smax_0, smin_0): New.
391 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
394 * config/cris/cris.c (cris_order_for_addsi3): New function.
395 * config/cris/cris-protos.h: Prototype it.
396 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
397 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
398 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
399 (split for "op.S1 [rx=rx+i],ry (swapped)")
400 (split for "op(s|u).S1 [rx=rx+i],ry")
401 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
402 Apply cris_order_for_addsi3 when generating addsi3 insns.
404 2006-01-25 Diego Novillo <dnovillo@redhat.com>
406 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
407 (TREE_BLOCK): Add call to EXPR_CHECK.
409 2006-01-25 Diego Novillo <dnovillo@redhat.com>
412 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
413 * tree-pretty-print.c (dump_omp_clause): Extract from ...
414 (dump_omp_clauses): ... here.
415 (dump_generic_node): Handle OMP_CLAUSE.
416 * tree.c (omp_clause_num_ops): New.
417 (omp_clause_code_name): New.
418 (tree_code_size): Handle OMP_CLAUSE.
419 (tree_size): Likewise.
420 (make_node): Document handling of OMP_CLAUSE.
421 (tree_node_structure): Handle OMP_CLAUSE.
422 (omp_clause_check_failed): New.
423 (omp_clause_range_check_failed): New.
424 (omp_clause_operand_check_failed): New.
425 (build_omp_clause): New.
426 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
427 * tree.h (enum omp_clause_code): Declare.
428 (OMP_CLAUSE_SUBCODE_CHECK): Define.
429 (OMP_CLAUSE_RANGE_CHECK): Define.
430 (OMP_CLAUSE_ELT_CHECK): Define.
431 (omp_clause_check_failed): Declare.
432 (omp_clause_operand_check_failed): Declare.
433 (omp_clause_range_check_failed): Declare.
434 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
435 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
436 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
437 (OMP_CLAUSE_LASTPRIVATE): Likewise.
438 (OMP_CLAUSE_IF_EXPR): Likewise.
439 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
440 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
441 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
442 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
443 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
444 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
445 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
446 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
447 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
448 (OMP_CLAUSE_CODE): Define.
449 (OMP_CLAUSE_SET_CODE): Define.
450 (OMP_CLAUSE_CODE): Define.
451 (OMP_CLAUSE_OPERAND): Define.
452 (struct tree_omp_clause): Declare.
453 (union tree_node): Add field 'omp_clause'.
454 * treestruct.def (TS_OMP_CLAUSE): Define.
455 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
456 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
457 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
458 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
459 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
460 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
461 (OMP_CLAUSE): Define.
462 * print-tree.c (print_node): Handle OMP_CLAUSE.
463 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
464 * c-typeck.c: Likewise.
465 * gimplify.c: Likewise.
467 * tree-nested.c: Likewise.
468 * tree-inline.c: Likewise.
469 * c-parser.c: Likewise.
470 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
473 2006-01-25 Roger Sayle <roger@eyesopen.com>
475 PR rtl-optimization/25703
476 * combine.c (try_combine): Handle zero_extract and strict_low_part
477 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
479 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
481 * global.c: Fix comment typos.
483 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
486 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
487 Use output_addr_const instead of assemble_name.
489 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
491 * Makefile.in (sched-vis.o): Update dependencies.
492 * haifa-sched.c (sched_finish): Clear current_sched_info.
493 * cfg.c (dump_bb_info): New, split from dump_flow_info.
494 (dump_flow_info): Call it.
495 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
497 * basic-block.h (dump_bb_info): Declare.
498 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
499 option, and apply options only for dump files whose TDF_RTL,
500 TDF_TREE, or TDF_IPA bits match.
501 * rtl.h: Declare new functions exported from sched-vis.c.
502 * sched-vis.c: Enable also if scheduling is not used.
503 (print_value): Print the mode of registers if not inside scheduling.
504 (print_insn): Make it work outside the scheduler. Beautify the output
506 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
508 2006-01-25 Richard Sandiford <richard@codesourcery.com>
510 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
511 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
512 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
513 depending on the value of CONSTANT_POOL_ADDRESS_P.
514 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
516 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
517 rather than SYMBOL_REF_DECL.
518 (rtx_constant_pool): Remove const_rtx_sym_htab.
519 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
520 (init_varasm_status): Don't initialize const_rtx_sym_htab.
521 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
522 Remove handling of const_rtx_sym_htab.
523 (find_pool_constant): Delete.
524 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
525 rather than find_pool_constant.
526 (get_pool_constant_for_function): Delete.
527 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
529 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
530 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
531 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
532 (SYMBOL_REF_CONSTANT): New macro.
533 (get_pool_constant_for_function): Delete.
534 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
535 rather than SYMBOL_REF_DECL.
536 (i386_pe_mark_dllimport): Likewise.
537 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
538 rather than SYMBOL_REF_DECL.
539 * config/darwin.c (machopic_indirect_data_reference): Likewise.
540 (machopic_indirect_call_target): Likewise.
542 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
544 * flow.c (delete_noop_moves): Add missing EOL to dump message.
546 2006-01-25 Richard Sandiford <richard@codesourcery.com>
548 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
550 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
552 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
554 2006-01-24 David Daney <ddaney@avtrex.com>
557 * configure.ac (enable_tls): New enable option.
558 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
559 * configure: Regenerate.
560 * doc/install.texi (--enable-tls): Document new option.
561 (--disable-tls): Ditto.
563 2006-01-24 Richard Henderson <rth@redehat.com>
565 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
566 * alias.c (true_dependence): Respect it.
567 (canon_true_dependence, write_dependence_p): Likewise.
568 * builtins.c (get_builtin_sync_mem): Set it.
570 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
572 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
575 2006-01-24 DJ Delorie <dj@redhat.com>
577 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
578 for storing constants in single-bit bitfields.
580 2006-01-25 Ben Elliston <bje@au.ibm.com>
582 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
584 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
587 * tree-ssa-pre.c (phi_translate): Return NULL
588 for AGGREGATE_TYPE's.
590 2006-01-24 Zack Weinberg <zackw@panix.com>
592 * genautomata.c (process_state_for_insn_equiv_partition):
593 Use xcalloc for insn_arcs_array.
594 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
595 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
597 2006-01-24 Richard Henderson <rth@redhat.com>
599 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
602 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
604 PR rtl-optimization/25890
605 PR rtl-optimization/25905
606 * combine.c (expand_compound_operation, expand_field_assignment):
607 Fail if the bitfield's final position is out of bounds.
609 2006-01-24 Ian Lance Taylor <ian@airs.com>
612 * cgraphunit.c (cgraph_output_in_order): Don't clear
613 cgraph_asm_nodes until after asm strings have been output.
615 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
617 * fix-header.c (read_scan_file): Add new parameter imultilib when
618 calling register_include_chains.
620 2006-01-23 Diego Novillo <dnovillo@redhat.com>
622 * omp-low.c: Update documentation.
624 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
625 Daniel Berlin <dberlin@dberlin.org>
629 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
630 return from the function.
632 2006-01-22 Zack Weinberg <zackw@panix.com>
634 * rtl.def (match_code): Add second argument.
635 * genpreds.c (write_extract_subexp): New function.
636 (write_match_code): Add path argument. Use write_extract_subexp.
637 (write_predicate_expr): Pass path to write_match_code.
638 (mark_mode_tests): MATCH_CODE applied to a subexpression does
639 not perform a mode test.
640 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
641 a subexpression does not constrain the top-level code set.
642 * read-rtl.c (read_rtx_variadic): New function.
643 (read_rtx_1): Use it; allow AND and IOR to be variadic.
644 * doc/md.texi: Document new notation.
645 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
646 (cmpsi_operand): ... here, using new notation.
648 2006-01-22 Zack Weinberg <zackw@panix.com>
650 * varray.c: Remove GENERATOR_FILE #ifdefs.
652 2006-01-22 Zack Weinberg <zackw@panix.com>
654 * genautomata.c (output_reserved_units_table): Emit nothing if
655 description->query_units_num is zero. Remove extra blank line.
656 (output_cpu_unit_reservation_p): Short circuit
657 if description->query_units_num is zero.
659 2006-01-22 Zack Weinberg <zackw@panix.com>
661 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
662 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
663 nor any of the random handful of variables that used to be necessary
664 when this program was linked with rtlanal.o. Prune set of forward
665 function declarations.
666 (struct attr_desc): Remove static_p field.
667 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
668 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
669 (attr_string): Do not read the character one past the length of
671 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
672 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
673 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
674 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
675 (make_automaton_attrs): New.
676 (main): Do not call into genautomata. Call local gen_bypass
677 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
678 Remove special case for insn_alts.
679 * genautomata.c: Include gensupport.h; not genattrtab.h nor
680 varray.h (leftover from previous change). Prune set of forward
681 function declarations. Remove state_alts fields from all
682 structures. Remove state_alts_table from struct automaton.
683 Make everything except main static. Do not maintain num_dfa_decls.
684 Do not maintain state_alts fields of various structures.
685 (process_decls): Don't validate condexp for dm_insn_reserv decls.
686 (add_arc): Remove state_alts argument. All callers updated.
687 (output_reserved_units_table): Emit #ifdef here...
688 (output_tables): ...not here. Don't generate state_alts tables.
689 (expand_automata): Don't generate attributes.
690 (write_automata): Don't generate state_alts functions.
691 (main): New function.
692 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
693 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
694 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
695 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
696 (BYPASS_P_FUNC_NAME, output_state_alts_table)
697 (output_automata_list_state_alts_code, output_internal_state_alts_func)
698 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
699 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
701 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
702 * genattrtab.h: Delete file.
703 * Makefile.in (OBJS-common): Add insn-automata.o.
704 (insn-automata.o): New rule.
705 (simple_generated_c): Add insn-automata.c.
706 (build/genattrtab.o, build/genautomata.o): Update dependencies.
707 (genprogmd): Add automata.
708 (build/genattrtab): Needs no extra objects nor libraries.
709 (build/genautomata): Needs build/vec.o and -lm.
711 2006-01-22 Zack Weinberg <zackw@panix.com>
713 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
714 (output_dfa_max_issue_rate, locked_states_num): Delete.
715 (struct automaton): Add locked_states field.
716 (output_dead_lock_vect): Save number of locked states in
717 automaton->locked_states. If it is zero, don't print anything.
718 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
719 (output_internal_dead_lock_func): Only test the dead_lock_vect
720 for automata that have locked states.
721 (output_statistics): Always print the number of locked states for
722 each automaton. Calculate total number of locked states here.
723 (write_automata): Don't call output_dfa_max_issue_rate.
724 * genattrtab.c: Define length_unit_log as a const variable.
725 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
726 max_insn_queue_index const.
727 * final.c (length_unit_log): Declare const.
728 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
730 2006-01-22 Zack Weinberg <zackw@panix.com>
732 * genautomata.c: Include vec.h, not varray.h.
733 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
734 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
735 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
736 VEC_* macros operating on appropriately typed vectors, or to
737 malloced arrays when the size is known in advance. Const-ify
738 many char* variables and function arguments. No functional changes.
739 * Makefile.in (build/varray.o): Delete rule.
740 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
741 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
743 2006-01-22 Zack Weinberg <zackw@panix.com>
745 * gensupport.c: Define get_insn_name and record_insn_name here.
746 (read_md_rtx): Call record_insn_name as appropriate.
747 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
748 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
749 * genpreds.c, genrecog.c: Don't define get_insn_name nor
751 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
752 (BUILD_VARRAY): Delete.
753 (genprognormal): Rename genprogmd. Fold in all programs from
754 genprognoprint; also attrtab.
755 (build/genattrtab): Just mention genautomata.o and varray.o.
756 Reorganize a bit, add comments to make the categories clearer.
758 2006-01-22 Zack Weinberg <zackw@panix.com>
760 * genconditions.c (condition_table, add_condition): Delete.
761 (write_conditions): Don't emit n_insn_conditions nor
762 insn_elision_unavailable. Issue the gcc version #ifdef here,
763 inside the table, with no #else clause ...
764 (write_header): ...not here.
765 (write_writer): New function.
766 (main): Don't initialize condition_table. Use add_c_test.
768 * gensupport.c (init_md_reader_args_cb): Handle multiple input
769 files on the command line.
770 (maybe_eval_c_test): Don't check insn_elision_unavailable.
771 Return -1 if there is no entry in the table, don't abort.
772 (add_c_test, traverse_c_tests): New functions.
773 * gensupport.h (insn_elision_unavailable, insn_conditions)
774 (n_insn_conditions): Delete declarations.
775 (add_c_test, traverse_c_tests): Declare.
776 * read-rtl.c: Include gensupport.h.
777 (read_conditions): New function.
778 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
779 (read_rtx_1): If we get EOF when we were looking for an initial
780 open paren, return 0. Call read_conditions when appropriate.
781 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
782 dummy-conditions.o. Eliminate references to insn-conditions.o,
783 or change them to build/gencondmd.o, as appropriate. Remove
784 insn-constants.h from $(simple_generated_h) and insn-conditions.c
785 from $(simple_generated_c). For all files remaining in those
786 two lists, add insn-conditions.md to the generator command line.
787 Give insn-constants.h/s-constants their own rules. Add rules
788 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
789 (build/read-rtl.o): Depend on gensupport.h.
790 (genprognormal): Include preds.
791 (genprogearly): Rename genprognoprint; only difference is now that
792 they don't link with $(BUILD_PRINT).
793 * dummy-conditions.c: Delete.
795 2006-01-22 Zack Weinberg <zackw@panix.com>
797 * genextract.c: Don't include insn-config.h. Do include vec.h.
798 Declare vectors of int, char, and locstr.
799 (locstr): New typedef.
800 (struct extraction): Make all array fields into bare pointers.
801 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
802 (insn_code_number): Delete.
803 (accum_extract): New struct.
804 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
805 (gen_insn): Take insn_code_number as an argument. Use an
806 accum_extract structure instead of loading data directly into
807 a struct extraction, and having to know how big it might get.
808 (walk_rtx): Operate entirely on an accum_extract structure.
809 (print_path): Avoid unnecessary use of printf.
810 (print_header): New function, split out of main. Distinguish
811 more carefully between an unrecognizable insn and an insn that
812 has the code number of a define_expand.
813 (main): Pass insn_code_number to gen_insn. Call print_header
814 only after parsing. Avoid unnecessary use of printf.
815 * Makefile.in (build/vec.o): New rule.
816 (build/genextract): Depend on build/vec.o.
817 (build/genextract.o): Don't depend on insn-config.h.
819 2006-01-22 Zack Weinberg <zackw@panix.com>
821 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
822 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
823 practical. Eliminate per-generator-program link rules.
825 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
828 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
829 with a call expr to ...
830 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
832 2006-01-23 Richard Guenther <rguenther@suse.de>
834 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
835 before make_edge with conditional EDGE_TRUE_VALUE.
837 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
838 Jan Hubicka <jh@suse.cz>
839 Richard Guenther <rguenther@suse.de>
841 PR rtl-optimization/25654
842 * cfgexpand.c (aggregate_contains_union_type): New function.
843 (add_alias_set_conflicts): Call it. Make sure to add conflicts
844 for structure variables that contain a union type.
846 2006-01-23 Richard Sandiford <richard@codesourcery.com>
848 * gengtype.c (new_structure): Return the structure.
849 (create_option): Add an extra "next" argument.
850 (create_field): New function.
851 (adjust_field_rtx_def): Use create_option and create_field.
852 Remove a now-unnecessary call to find_structure.
853 (adjust_field_tree_def): Likewise.
854 (note_yacc_type): Remove an unnecessary call to find_structure.
855 * gengtype.h (new_structure): Return the structure.
856 (create_option): Add an extra argument.
857 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
858 (option): Adjust calls to create_option.
860 2006-01-22 David Edelsohn <edelsohn@gnu.org>
862 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
864 2006-01-22 Paul Brook <paul@codesourcery.com>
865 Peter Barada <peter@the-baradas.com>
867 * config/m68k/m68k.md: Add Coldfire FPU support.
868 Define FP mode macro and associated attributes.
869 Use it for float mode patterns.
870 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
871 (LIBCALL_VALUE): Use m68k_libcall_value.
872 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
873 (m68k_function_value): Ditto.
874 (emit_move_sequence): Ditto.
875 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
876 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
877 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
878 (MULTILIB_EXCEPTIONS): Ditto.
879 * config/m68k/m68k.opt: Add mcfv4e.
880 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
881 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
882 (m68k_output_function_prologue): Save ColdFire FPU registers.
883 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
884 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
885 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
886 ColdFire FPU registers.
887 (m68k_libcall_value, m68k_function_value): New functions.
888 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
889 (LIBCALL_VALUE): Use m68k_libcall_value.
890 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
891 (MASK_COLDFIRE): Add MASK_CFV4E.
892 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
893 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
894 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
895 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
896 (GO_IF_LEGITIMATE_ADDRESS): Use it.
897 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
898 * doc/invoke.tex: Document -mcfv4e on m68k.
900 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
902 * doc/contribute.texi: Change CVS to SVN and update the corresponding
905 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
908 * c-opts.c (c_common_handle_option): Don't include
909 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
910 * doc/invoke.texi (C++ Dialect Options): Document that
911 -Wnon-virtual-dtor is no longer included in -Wall.
913 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
915 * gcov.c (print_version), gcov-dump.c (print_version),
916 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
919 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
921 * df-scan.c (problem_SCAN): Added NULL reset function.
922 (df_scan_reset_blocks): Added code to call reset block function
923 (df_bb_refs_delete) Fixed comment.
924 (df_insn_refs_delete): Made tolerant of deleting non existent info
925 for dataflow problems that need to be reset.
926 * df-core.c (df_set_blocks): Ditto.
927 * df.h (struct df_problem): Added reset_fun.
928 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
929 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
930 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
931 functions to clear out all references to def-use or use-def chains.
933 2006-01-21 Ben Elliston <bje@au.ibm.com>
935 * varasm.c (assemble_real): Initialise data array.
937 2006-01-20 Paul Brook <paul@codesourcery.com>
939 Merge from csl-arm-branch.
940 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
941 * config/arm/arm.md (movdi): Force operands[1] to a register
942 if we have a non-register source.
943 (*arm_movdi, *movdf_soft_insn): Require that one of the
944 operands be a register.
945 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
946 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
948 2006-01-20 DJ Delorie <dj@redhat.com>
950 * varasm.c (initialize_constant_valid_p): Allow pointers
951 initialized from integer constants of lesser precision.
952 (output_constant): Allow non-int-sized pointer modes to be
953 initialized from integer constants.
955 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
958 * cppdefault.h (struct default_include): Add multilib flag.
959 * cppdefault.c (cpp_include_defaults): Set it.
960 * c.opt (-imultilib): New option.
961 * c-opts.c (imultilib): New.
962 (c_common_handle_option): Handle -imultilib.
963 (c_common_post_options): Likewise.
964 * c-incpath.c (add_standard_paths, register_include_chains):
966 * c-incpath.h (register_include_chains): Add extra parameter.
967 * gcc.c (do_spec_1): Generate -imultilib option.
968 (The Specs Language): Update %I description.
969 (process_command): Update copyright notice.
970 * doc/cppopts.texi (-imultilib): Document.
971 * doc/invoke.texi (-imultilib): Include in option summary.
972 (%I): Update specs documentation.
974 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
976 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
978 2006-01-20 Richard Sandiford <richard@codesourcery.com>
980 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
983 2006-01-20 Richard Guenther <rguenther@suse.de>
984 Steven Bosscher <stevenb.gcc@gmail.com>
986 PR rtl-optimization/24626
987 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
988 EDGE_TRUE_VALUE if in RTL mode.
991 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
992 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
994 2006-01-20 Dirk Mueller <dmueller@suse.com>
997 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
998 instead of a special NOP marker.
999 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1000 NOP marker handling.
1001 * c-common.h (empty_body_warning): Add forward declaration.
1002 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1003 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1005 2006-01-20 Paul Brook <paul@codesourcery.com>
1007 * Makefile.in (lang_checks): Keep going if mkdir fails.
1009 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1011 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1012 be able to clean out basic block when not necessary.
1013 (df_scan_free): Fixed to properly delete information if df is
1014 unused before calling df_finish.
1015 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1016 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1018 (df_bb_refs_delete): New function.
1019 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1020 * df-core.c (df_set_blocks): Added code to properly clean out
1021 unused blocks if they are not part of the blocks to consider.
1022 Added additional null check.
1023 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1024 be able to clean out basic block when not necessary
1025 * df.h (df_free_bb_function): Ditto.
1026 (df_bb_refs_delete): New function.
1027 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1028 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1029 basic block parameter to be able to clean out basic block when not
1031 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1032 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1033 Fixed to properly delete information if df is unused before
1036 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1038 PR rtl-optimization/25799
1039 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1040 Corrected confluence operator to remove bits from op2 before oring
1041 with op1 rather than removing bits from op1.
1042 (df_ru_transfer_function): Corrected test on wrong bitmap which
1043 caused infinite loop. Both of these problems were introduced in
1044 the dataflow rewrite.
1046 2006-01-19 DJ Delorie <dj@redhat.com>
1048 * reload1.c (find_reload_regs): Note the details of reload
1049 failures in the dump file.
1050 (spill_failure): Likewise.
1052 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1054 * loop-iv.c: Include df.h and hashtab.h.
1055 (enum iv_grd_result): New enum.
1056 (DF_REF_IV, DF_REF_IV_SET): New macros.
1057 (struct biv_entry): New.
1058 (df, bivs): New global variables.
1059 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1060 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1062 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1063 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1064 analyzed_for_bivness_p, record_biv): New functions.
1065 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1066 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1067 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1069 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1071 (iv_number_of_iterations): Use new interface to iv analysis.
1072 * loop-unroll.c: Do not include varray.h.
1073 (analyze_iv_to_split_insn): Use new interface to iv
1075 * loop-unswitch.c (may_unswitch_on): Ditto.
1076 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1078 (df_bb_modify): Realloc tables to the new index.
1079 (df_find_use): New function.
1080 * df.h (df_find_use): Declare.
1081 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1083 * cfgloop.h (struct rtx_iv): Remove analysed field.
1084 (iv_get_reaching_def): Removed.
1085 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1086 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1087 (loop-iv.o): Add df.h and hashtab.h dependency.
1088 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1090 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1092 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1094 (__floatundisf, __floatundidf): Likewise.
1095 * libgcc2.h (IS_IBM_EXTENDED): Define.
1097 2006-01-19 DJ Delorie <dj@redhat.com>
1099 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1101 2006-01-19 Paul Brook <paul@codesourcery.com>
1103 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1104 as nothrow when unwinding tables are disabled.
1106 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1109 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1110 of bit-field" when in system header.
1112 2006-01-19 DJ Delorie <dj@redhat.com>
1114 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1115 the 16 bit shift limit of the m16c.
1117 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1120 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1121 * config/i386/i386.c (output_set_got): Output the label if we have one
1122 for the TARGET_DEEP_BRANCH_PREDICTION case.
1124 2006-01-19 Jan Hubicka <jh@suse.cz>
1125 H.J. Lu <hongjiu.lu@intel.com>
1126 Evandro Menezes <evandro.menezes@amd.com>
1128 * invoke.texi (generic): Document
1130 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1131 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1132 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1133 (x86_use_incdec, x86_pad_returns): New variables
1134 (TARGET_CPU_DEFAULT_generic): New constant
1135 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1136 (enum processor_type): Add generic32 and generic64.
1137 * i386.md (cpu attribute): Add generic32/generic64
1138 (movhi splitter): Behave sanely when both partial_reg_dependency and
1139 partial_reg_stall are set.
1140 (K8 splitters): Enable for generic as well.
1141 * predicates.md (incdec_operand): Use TARGET_INCDEC
1142 (aligned_operand): Avoid memory mismatch stalls.
1143 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1144 * ppro.md: Enable for generic32
1145 * i386.c (generic64_cost, generic32_cost): New.
1146 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1147 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1148 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1149 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1150 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1151 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1152 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1153 x86_accumulate_outgoing_args, x86_prologue_using_move,
1154 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1155 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1157 (x86_use_incdec, x86_pad_returns): New.
1158 (override_options): Add generic32 and generic64, translate "generic"
1159 to generic32/generic64 and "i686" to "generic32", refuse
1160 "generic32"/"generic64" as arch target.
1161 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1162 (ix86_reorg): Honor PAD_RETURNS.
1164 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1166 * tree-pretty-print.c (dump_generic_node): Handle
1167 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1168 * cgraph.c (cgraph_expand_queue): Rename from
1169 cgraph_analyze_queue. Update all users.
1170 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1171 cgraph_expand_queue.
1172 (cgraph_expand_all_functions): Likewise.
1173 (cgraph_finalize_pending_functions): Remove. Update callers.
1175 * tree.h (OMP_DIRECTIVE_P): Define.
1176 (OMP_PARALLEL_FN): Define.
1177 (OMP_PARALLEL_DATA_ARG): Define.
1178 (OMP_SECTIONS_SECTIONS): Define.
1179 * tree-pass.h (pass_expand_omp): Declare.
1180 * omp-low.c (struct omp_region): Declare.
1181 (struct omp_context): Remove fields 'parallel_type',
1182 'parallel_start_ix' and 'parallel_start_additional_args'.
1184 (struct omp_for_data): Rename from struct expand_omp_for_data.
1185 (omp_regions): New static variable.
1186 (root_omp_region): New static variable.
1187 (find_omp_clause): Make static.
1188 (is_in_combined_parallel_ctx): Remove.
1189 (is_combined_parallel): New.
1190 (extract_omp_for_data): Move earlier in the file.
1191 (workshare_safe_to_combine_p): New.
1192 (get_ws_args_for): New.
1193 (determine_parallel_type): Move earlier in the file.
1194 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1196 (omp_copy_decl): Likewise.
1197 (create_omp_child_function): Likewise.
1198 (lookup_omp_region): New.
1199 (dump_omp_region): New.
1200 (debug_omp_region): New.
1201 (debug_all_omp_regions): New.
1202 (new_omp_region): New.
1203 (scan_omp_parallel): If parallel_nesting_level > 1, the
1204 directive is nested within another parallel directive.
1205 Set OMP_PARALLEL_FN.
1206 (scan_omp_for): Do not try to handle combined parallel+for
1208 Remove FIXME comment.
1209 (scan_omp_nested): Remove.
1210 (scan_omp_1): Do not call scan_omp_nested when
1211 parallel_nesting_level is > 1.
1212 Do not change the DECL_CONTEXT of local variables found.
1213 (lookup_decl_in_outer_ctx): New.
1214 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1215 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1216 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1217 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1218 If CTX is nested, lookup VAR in the outer context when
1219 building copy assignment.
1220 (lower_send_clauses): Rename from expand_send_clauses.
1221 If CTX is nested, lookup VAR in the outer context when
1222 building copy assignments.
1223 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1224 If CTX is nested, lookup VAR in the outer context when
1225 building copy assignments.
1226 (expand_parallel_call): Rename from build_parallel_call.
1227 Handle combined parallel+workshare cases.
1228 Re-implement to emit code into the CFG.
1230 (expand_omp_parallel): Re-implement to emit code into the CFG.
1231 Call move_sese_region_to_fn to outline the sub-graph
1232 containing the parallel region.
1233 (expand_omp_for_1): Remove.
1234 (expand_omp_for_generic): Re-implement to emit code into the
1236 (expand_omp_for_static_nochunk): Likewise.
1237 (expand_omp_for_static_chunk): Likewise.
1238 (expand_omp_for): Likewise.
1239 (expand_omp_sections): Likewise.
1240 (remove_exit_barriers): New.
1241 (expand_omp_synch): New.
1243 (build_omp_regions_1): New.
1244 (build_omp_regions): New.
1245 (execute_expand_omp): New.
1246 (gate_expand_omp): New.
1247 (pass_expand_omp): Define.
1248 (lower_omp_sections): Rename from expand_omp_sections.
1249 Set OMP_SECTIONS_SECTIONS.
1250 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1251 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1252 (lower_omp_single): Rename from expand_omp_simple.
1253 (lower_omp_master): Rename from expand_omp_master.
1254 (lower_omp_ordered): Rename from expand_omp_ordered.
1255 (lower_omp_critical): Rename from expand_omp_critical.
1256 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1257 (lower_omp_for): Re-implement.
1258 (lower_omp_parallel): Re-implement.
1259 (lower_regimplify): Rename from expand_regimplify.
1260 (lower_omp_1): Rename from expand_omp_1.
1261 If there are syntax errors in the program, replace every
1262 OpenMP directive with NOP.
1263 Call lower_omp_* instead of expand_omp_*.
1264 (lower_omp): Rename from expand_omp.
1266 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1267 * tree-gimple.h (enum omp_parallel_type): Remove.
1268 (gimple_boolify): Declare extern.
1269 (find_omp_clause, determine_parallel_type): Remove.
1271 * gimple-low.c (lower_omp_directive): New.
1272 (lower_stmt): Call it.
1273 (record_vars_into): Move from ...
1274 (record_vars): ... here.
1275 Call record_vars_into with current_function_decl.
1277 * gimplify.c (struct gimplify_ctx): Remove fields
1278 combined_pre_p and combined_ctxp. Update users.
1279 (get_formal_tmp_var): Add documentation.
1280 (gimple_boolify): Make extern.
1281 (gimplify_expr_in_ctx): Remove. Update callers.
1282 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1283 will always be a BIND_EXPR.
1284 (gimplify_expr): Handle OMP_RETURN_EXPR.
1285 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1286 (OMP_PARALLEL): Add 3 operands.
1287 (OMP_SECTIONS): Add 1 operand.
1288 (OMP_RETURN_EXPR): Define.
1290 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1291 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1292 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1293 creating a circular free list.
1294 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1296 * tree-flow.h (move_sese_region_to_fn): Declare.
1297 (record_vars_into): Declare.
1298 * tree-cfg.c (make_omp_sections_edges): New.
1299 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1300 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1301 OMP_SECTIONS and OMP_SECTION.
1302 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1303 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1304 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1305 (gather_blocks_in_sese_region): New.
1306 (struct move_stmt_d): Declare.
1308 (move_block_to_fn): New.
1309 (move_sese_region_to_fn): New.
1311 * passes.c (init_optimization_passes): Schedule
1312 pass_expand_omp after pass_init_datastructures.
1314 * tree-ssa-operands.c (get_expr_operands): Handle
1315 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1316 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1318 2006-01-19 Jeff Law <law@redhat.com>
1320 * tree-vrp.c (extract_range_from_assert): Refine the result range
1321 if the variable referenced by the ASSERT_EXPR has a range and
1322 either the tentative result range or the previous range is a
1325 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1327 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1329 2006-01-19 Jan Hubicka <jh@suse.cz>
1331 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1333 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1335 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1336 (expand_compound_operation, expand_field_assignment): Fail if the
1337 bit lengths of an extract operation are out of range.
1338 (make_extraction): Compute wanted_inner_mode based on the position
1339 and length of the extraction. Make it extraction_mode for non-constant
1340 positions, and do not modify offset in that case. When generating a
1341 new MEM, use a mode that can hold the extraction while keeping correct
1342 alignment. Remove code that supported MEMs wrapped by USEs.
1343 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1345 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1347 * config/s390/s390.md ("Y", "y"): New mode attribute.
1348 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1349 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1350 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1351 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1352 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1353 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1354 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1355 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1356 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1357 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1358 "addsi3", "subsi3"): Insn patterns removed.
1359 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1360 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1361 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1362 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1363 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1364 "*sub<mode>3_cconly2"): New insn patterns.
1365 ("addsi3", "subsi3"): New expanders.
1367 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1369 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1370 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1371 existing STMT_VINFO_VECTYPE if available.
1372 (vect_mark_relevant): Add special handling for stmts that are
1373 marked as STMT_VINFO_IN_PATTERN_P.
1374 (vect_analyze_loop): Call vect_pattern_recog.
1375 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1376 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1378 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1379 (vect_recog_func_ptr): New function-pointer type.
1380 * tree-vect-patterns.c: New file.
1381 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1382 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1383 (vect_pattern_recog_1): New functions.
1384 (vect_pattern_recog_funcs): New array of function pointers.
1386 * tree-vectorizer.h (ternary_op): New enum value.
1387 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1388 declaration. Revised documentation. Removed redundant dump prints.
1389 Removed redundant argument. Added support for reduction patterns.
1390 (vectorizable_reduction): Added support for reduction patterns.
1391 (vect_transform_stmt): Added support for patterns.
1393 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1394 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1395 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1396 (expand_widen_pattern_expr): New function.
1397 (init_optabs): Initialize new optabs udot_prod_optab,
1399 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1400 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1401 (expand_widen_pattern_expr): New function declaration.
1402 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1404 * tree-inline.c (estimate_num_insns_1): Added cases for new
1405 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1406 * tree-pretty-print.c (dump_generic_node): Likewise.
1407 (op_prio): Likewise.
1408 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1409 * tree-ssa-operands.c (get_expr_operands): Added case for
1411 * tree-vect-patterns.c (widened_name_p): New function.
1412 (vect_recog_dot_prod_pattern): Added function implementation.
1413 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1414 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1415 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1416 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1418 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1419 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1420 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1421 (init_optabs): Initialize new optabs widen_ssum_optab,
1423 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1424 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1425 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1426 use instead of type of def.
1427 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1428 function implementation.
1429 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1430 widen_ssumv8hi): New.
1432 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1435 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1438 * c-decl.c (add_flexible_array_elts_to_size): New function.
1439 (finish_decl): Use it.
1441 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1443 * diagnostic.h: Include options.h.
1444 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1445 dependancies for diagnostic.h.
1446 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1448 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1450 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1451 (ssa_ro_call_cache_valid): Ditto.
1452 * tree-ssa-alias.c (sort_tags_by_id): New function.
1453 (init_transitive_clobber_worklist): Ditto.
1454 (add_to_worklist): Ditto.
1455 (mark_aliases_call_clobbered): Ditto.
1456 (compute_tag_properties): Ditto.
1457 (set_initial_properties): Ditto.
1458 (compute_call_clobbered): Ditto.
1459 (compute_may_aliases): Call compute_call_clobbered and grouping.
1460 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1461 (compute_flow_insensitive_aliasing): Grouping now happens in our
1463 (setup_pointers_and_addressables): Remove clobbering related code.
1464 (add_may_alias): Ditto.
1465 (replace_may_alias): Ditto.
1466 (get_nmt_for): Ditto.
1467 (create_global_var):
1468 (is_escape_site): Return an escape_type enumeration.
1469 * tree-flow-inline.h (is_call_clobbered): Global var does not
1470 imply call clobbered.
1471 (mark_call_clobbered): Take a reason for marking this. Remove
1472 marking of globalness, and cache invalidation.
1473 (clear_call_clobbered): Remove cache invalidation code.
1474 * tree-dfa.c (dump_variable): If details is on, dump the reason
1476 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1478 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1479 (struct var_ann_d): Ditto.
1480 (enum escape_type): New.
1481 (mark_call_clobbered): Adjust prototype.
1482 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1483 are never call clobbered.
1484 Record reasons for escaping.
1485 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1486 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1487 (ssa_ro_call_cache_valid): Ditto.
1488 (clobbered_v_may_defs): Ditto.
1489 (clobbered_vuses): Ditto.
1490 (ro_call_vuses): Ditto.
1491 (clobber_stats): New.
1492 (init_ssa_operands): Zero out clobber stats.
1493 (fini_ssa_operands): Print out clobber stats.
1494 (get_call_expr_operands): Pass callee fndecl to
1496 (add_call_clobber_ops): Remove use of cache.
1497 Add use of PURE_CONST information.
1498 (add_call_read_ops): Remove use of cache.
1499 Add use of static not_read information.
1501 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1503 Introduce TLS descriptors for i386 and x86_64.
1504 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1505 (TARGET_ANY_GNU_TLS): New macro.
1506 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1507 (struct machine_function): Add tls_descriptor_call_expanded_p.
1508 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1509 (ix86_current_function_calls_tls_descriptor): Likewise.
1510 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1511 (override_options): Introduce gnu2 tls dialect.
1512 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1514 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1516 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1517 (ix86_init_machine_status): Initialize new field.
1518 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1519 (ix86_tls_module_base): New.
1520 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1521 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1522 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1523 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1524 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1525 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1526 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1527 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1528 * config/i386/predicates.md (tls_modbase_operand): New.
1529 (tp_or_register_operand): New.
1531 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1533 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1534 (look_for_address_of): Ditto.
1535 (ipa_init): Walk the function decls.
1536 (static_execute): Don't set readonly on FUNCTION_DECL's.
1538 2006-01-18 Roger Sayle <roger@eyesopen.com>
1540 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1541 for shifts where the source and destination registers are different.
1543 2006-01-18 Paul Brook <paul@codesourcery.com>
1545 Merge from csl-arm-branch.
1546 2005-03-14 Julian Brown <julian@codesourcery.com>
1547 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1548 (aeabi_llsl): Likewise.
1549 (ashrdi3): Likewise.
1550 (aeabi_lasr): Likewise.
1551 (lshrdi3): Likewise.
1552 (aeabi_llsr): Likewise.
1553 2005-03-10 Julian Brown <julian@codesourcery.com>
1554 * config.gcc: Disable shared libgcc for SymbianOS.
1555 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1557 2006-01-18 DJ Delorie <dj@redhat.com>
1559 * c-pragma.c (handle_pragma_diagnostic): New.
1560 (init_pragma): Register it.
1561 * doc/extend.texi: Document it.
1563 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1564 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1565 (diagnostic_context): Add classify_diagnostic[].
1566 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1567 as errors if they're overridden to DK_WARNING.
1568 (diagnostic_initialize): Initialize classify_diagnostic[].
1569 (diagnostic_set_kind_override): New.
1570 (diagnostic_report_diagnostic): Check for kind changes.
1571 * opts.c (common_handle_option): Take lang_mask. Update callers.
1573 * common.opt (Werror=): New.
1574 * doc/invoke.texi: Document -Werror=*
1576 2006-01-18 Jeff Law <law@redhat.com>
1578 * tree-vrp.c (test_for_singularity): Correct test for new
1579 min limit. Use operand_equal_p rather than pointer equality
1580 for testing if new min/max values are equal.
1582 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1583 using range information until after propagation and folding.
1585 2006-01-18 Richard Henderson <rth@redhat.com>
1586 Aldy Hernandez <aldyh@redhat.com>
1587 Jakub Jelinek <jakub@redhat.com>
1588 Diego Novillo <dnovillo@redhat.com>
1590 * omp-low.c: New file.
1591 * c-omp.c: New file.
1593 2006-01-18 Richard Henderson <rth@redhat.com>
1594 Jakub Jelinek <jakub@redhat.com>
1595 Diego Novillo <dnovillo@redhat.com>
1597 * doc/invoke.texi: Document -fopenmp.
1598 * tree-dump.h (debug_function): Declare.
1599 * hooks.c (hook_bool_tree_bool_false): New function.
1600 (hook_tree_tree_null): Remove.
1601 (hook_tree_tree_tree_null): New.
1602 * hooks.h: Update to match.
1603 * tree-pretty-print.c (debug_tree_chain): New.
1604 (print_generic_expr): Handle TDF_CHAIN.
1605 (dump_generic_node): Handle BLOCK.
1606 Do not abort with incomplete SWITCH_EXPRs.
1607 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1608 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1609 print space after directive name.
1610 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1611 Handle OMP_MASTER and OMP_ORDERED.
1612 Handle printing of OMP_BODY just in one place, goto
1613 dump_omp_body in the rest of OMP_* nodes that have
1615 Don't handle clause nodes here. Update omp statements to
1616 use dump_omp_clauses.
1617 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1618 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1619 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1620 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1621 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1622 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1623 Adjust output for GOMP_PARALLEL.
1624 (dump_omp_clauses): New.
1625 (print_declaration): Dump DECL_VALUE_EXPR.
1626 (op_symbol_1): Split out of op_symbol.
1627 (dumping_stmts): Remove. Update all users.
1628 * cgraph.c (cgraph_analyze_queue): New.
1629 (cgraph_add_new_function): New.
1630 * cgraph.h (cgraph_analyze_queue): Declare.
1631 (cgraph_add_new_function): Declare.
1632 (cgraph_lower_function): Remove.
1633 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1634 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1635 and TYPE_P nodes in its default clause.
1636 (empty_body_p): New.
1637 (tree_range_check_failed): New.
1639 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1640 OMP_CLAUSE_REDUCTION_MERGE,
1641 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1642 OMP_CLAUSE_PRIVATE_DEBUG,
1643 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1644 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1645 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1646 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1647 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1648 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1649 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1650 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1651 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1652 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1653 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1654 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1655 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1656 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1657 (TREE_RANGE_CHECK): New.
1658 (empty_body_p): Declare.
1659 (enum omp_clause_default_kind): New.
1660 (build_string_literal): Declare.
1661 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1662 (build5_stat, build5): Declare.
1663 * tree-pass.h (TDF_CHAIN): Define.
1664 * tree-pass.h (PROP_gimple_lomp): Define.
1665 (pass_lower_omp): Declare.
1666 * diagnostic.h (debug_tree_chain): Declare.
1667 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1669 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1670 * builtins.c (build_string_literal): Make extern.
1671 * gcc.c (include_spec_function): New.
1672 (static_spec_functions): Add it.
1673 (main): Move load of libgomp.spec ...
1674 (LINK_COMMAND_SPEC): ... here.
1675 (link_gomp_spec): New.
1676 (static_specs): Include it.
1677 (LINK_COMMAND_SPEC): Add link_gomp.
1678 (GOMP_SELF_SPECS): New.
1679 (driver_self_specs): Include it.
1680 (switch_matches): Don't mark inline.
1681 (main): Load libgomp.spec.
1682 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1683 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1684 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1685 * tree-gimple.h (enum omp_parallel): Declare.
1686 (determine_parallel_type): Declare.
1687 (omp_firstprivatize_variable): Declare.
1688 (omp_reduction_init): Declare.
1689 (diagnose_omp_structured_block_errors): Declare.
1690 (struct walk_stmt_info): Add want_return_expr.
1691 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1692 (find_omp_clause): Declare.
1693 (insert_field_into_struct): Declare.
1694 (struct walk_stmt_info): Move from tree-nested.c
1695 (walk_stmts): Declare.
1696 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1698 * cgraphunit.c (cgraph_lower_function): Make static.
1699 (cgraph_finalize_pending_functions): New.
1700 (cgraph_finalize_function): Call it.
1701 (cgraph_finalize_compilation_unit): Likewise.
1702 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1703 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1704 (BT_FN_UINT_UINT): New.
1705 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1706 DEF_FUNCTION_TYPE_VAR_4): Document.
1707 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1708 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1709 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1710 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1711 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1712 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1713 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1714 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1715 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1716 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1717 into separate files.
1718 (DEF_GOMP_BUILTIN): New.
1719 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1720 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1721 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1722 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1723 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1724 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1725 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1726 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1727 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1728 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1729 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1730 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1731 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1732 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1733 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1734 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1735 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1736 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1737 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1738 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1739 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1740 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1741 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1742 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1743 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1744 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1745 * sync-builtins.def: New file, moved from builtins.def.
1746 * omp-builtins.def: New file, moved from builtins.def.
1747 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1748 * gimple-low.c (lower_function_body): Clear data.
1749 (lower_stmt): Do not handle COMPOUND_EXPR.
1750 Remove call to print_node_brief.
1751 * c-tree.h (c_finish_omp_clauses): New prototype.
1752 (C_DECL_THREADPRIVATE_P): Define.
1753 (lookup_name_no_remap, c_omp_remap_private): Remove
1754 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1755 (check_for_loop_decls): Update decl.
1756 (lookup_name_no_remap, c_omp_remap_private): Declare.
1757 (build_indirect_ref, build_modify_expr, pushdecl,
1758 pushdecl_top_level): Move to c-common.h.
1759 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1760 before the switch, but just in the 2 places that need it.
1761 * c-decl.c (diagnose_mismatched_decls): Do not check for
1762 mismatched thread-local attributes when OLDDECL is marked
1763 threadprivate and NEWDECL has no thread-local attributes.
1764 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1765 (c_gimple_diagnostics_recursively): Rename from
1766 c_warn_unused_result_recursively. Invoke
1767 diagnose_omp_structured_block_errors.
1768 (check_for_loop_decls): Return a singular decl found.
1769 * langhooks.c (lhd_omp_predetermined_sharing): Return
1770 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1771 (lhd_omp_firstprivatize_type_sizes): New.
1772 (lhd_omp_assignment): New.
1773 (lhd_omp_predetermined_sharing): New.
1774 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1775 (struct lang_hooks_for_types): Add
1776 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1777 omp_predetermined_sharing, omp_disregard_value_expr,
1778 omp_private_debug_clause, omp_clause_default_ctor,
1779 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1780 (c_finish_omp_clauses): New.
1781 (c_finish_bc_stmt): Diagnose break within omp for.
1782 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1783 (build_unary_op): Return error_mark after reporting
1785 (build_modify_expr): Likewise.
1786 * gimplify.c: Include optabs.h and pointer-set.h.
1787 (enum gimplify_omp_var_data): Declare.
1788 (struct gimplify_omp_ctx): Declare.
1789 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1791 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1792 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1793 (splay_tree_compare_decl_uid): New.
1794 (new_omp_context): New.
1795 (delete_omp_context): New.
1796 (gimple_add_tmp_var): Call omp_add_variable.
1797 (gimplify_bind_expr): Likewise.
1798 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1799 true, disregard DECL_VALUE_EXPR on the decl if any.
1800 (gimplify_expr_in_ctx): New.
1801 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1802 omp_add_variable, omp_notice_variable, omp_is_private
1803 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1804 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1805 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1806 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1807 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1808 gimplify_omp_atomic): New.
1809 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1810 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1811 OMP_CRITICAL and OMP_ATOMIC.
1812 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1813 * c-pragma.h (enum pragma_kind): Add
1814 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1815 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1816 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1817 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1818 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1819 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1820 PRAGMA_OMP_THREADPRIVATE.
1821 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1822 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1823 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1824 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1825 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1826 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1827 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1828 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1829 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1830 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1831 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1832 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1833 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1835 (struct nesting_info): Add field_map,
1836 suppress_expansion, debug_var_chain.
1837 (create_nesting_tree): Initialize them.
1838 (lookup_field_for_decl): Use field_map.
1839 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1840 (convert_local_omp_clauses): New.
1841 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1842 (walk_body): Split out of walk_function.
1843 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1844 (convert_nonlocal_reference): Handle omp statements.
1845 (convert_local_reference): Likewise.
1846 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1847 (unnest_nesting_tree): New.
1848 (lower_nested_functions): Call it.
1849 (insert_field_into_struct): Make extern.
1850 (struct walk_stmt_info): Move to tree-gimple.h.
1851 (walk_stmts): Make extern.
1852 * omp-builtins.def: New file.
1853 * tree-iterator.c (expr_only): Clarify comment.
1854 * c-common.h (pushdecl_top_level, pushdecl,
1855 build_modify_expr, build_indirect_ref,
1856 c_finish_omp_master, c_finish_omp_critical,
1857 c_finish_omp_ordered, c_finish_omp_barrier,
1858 c_finish_omp_atomic, c_finish_omp_flush,
1859 c_finish_omp_for, c_split_parallel_clauses,
1860 omp_clause_default_kind, c_omp_sharing_predetermined,
1861 c_omp_remap_decl): Declare.
1862 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1863 (OBJS-common): Add omp-low.o.
1864 (c-omp.o, omp-low.o): Add.
1865 (gimplify.o): Add dependency on $(OPTABS_H).
1866 (GTFILES): Add omp-low.c.
1867 (gt-stringpool.h): Add.
1868 * tree-cfg.c (set_bb_for_stmt): Do not update the
1869 block-to-labels map if we are currently expanding to RTL.
1870 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1872 Handle IDENTIFIER_NODE.
1873 (tree_verify_flow_info): Do not ICE when emitting error
1874 messages about invalid labels.
1875 (dump_function_to_file): Reset CFUN before emitting the body
1877 (debug_function): New.
1878 * passes.c (init_optimization_passes): Schedule
1880 * langhooks-def.h (lhd_omp_predetermined_sharing,
1881 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1883 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1884 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1885 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1886 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1887 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1888 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1889 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1890 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1891 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1892 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1893 (LANG_HOOK_DECLS): Use them.
1895 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1896 Richard Henderson <rth@redhat.com>
1897 Jakub Jelinek <jakub@redhat.com>
1898 Diego Novillo <dnovillo@redhat.com>
1900 * c-parser.c (pragma_omp_clause): Define.
1901 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1902 (c_parser_compound_statement): Likewise.
1903 (c_parser_statement): Likewise.
1904 (c_parser_pragma): Handle omp pragmas.
1905 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1906 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1907 (c_parser_omp_clause_name, check_no_duplicate_clause,
1908 c_parser_omp_variable_list,
1909 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1910 c_parser_omp_clause_copyprivate,
1911 c_parser_omp_clause_default,
1912 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1913 c_parser_omp_clause_lastprivate,
1914 c_parser_omp_clause_nowait,
1915 c_parser_omp_clause_num_threads,
1916 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1917 c_parser_omp_clause_reduction,
1918 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1919 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1920 c_parser_omp_atomic, c_parser_omp_barrier,
1921 c_parser_omp_critical, c_parser_omp_flush,
1922 c_parser_omp_for_loop, c_parser_omp_for,
1923 c_parser_omp_master, c_parser_omp_ordered,
1924 c_parser_omp_sections_scope, c_parser_omp_sections,
1925 c_parser_omp_parallel, c_parser_omp_single,
1926 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1927 * c-pragma.c (init_pragma): Do omp pragma registration here.
1928 * c.opt (fopenmp): New flag.
1930 2006-01-18 Eric Christopher <echristo@apple.com>
1932 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1933 * config/darwin.h (GOMP_SELF_SPECS): Define.
1935 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1937 * rtl.h: Remove the prototype for reg_alloc.
1939 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1942 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1943 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1944 sjlj and dwarf2 exception handling.
1945 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1946 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1947 * pa/pa.c (function_value): Treat complex and vector types as
1949 (function_arg): Likewise. Only pass scalar floats in the floating
1950 point argument registers.
1951 * pa/t-slibgcc-dwarf-ver: New file.
1952 * pa/t-slibgcc-sjlj-ver: New file.
1953 * pa/t-slibgcc-elf-ver: Delete file.
1955 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1957 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1958 unlikely_test_section_p test.
1960 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1962 * mode-switching.c (optimize_mode_switching): Make it static.
1963 * basic-block.h: Remove the prototype for
1964 optimize_mode_switching.
1966 * modulo-sched.c (sms_schedule): Make it static.
1967 * rtl.h: Remove the prototype for sms_schedule.
1969 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1970 * rtl.h: Remove the prototype for gcse_after_reload_main.
1972 * reg-stack.c (reg_to_stack): Make it static.
1973 * rtl.h: Remove the prototype for reg_to_stack.
1975 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1977 * rtl.h: Remove the prototypes for regrename_optimize and
1978 copyprop_hardreg_forward.
1980 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1982 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1983 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1984 Test against the appropriate null constant for the mode.
1985 If 'fixup_overlap' is true, swap the operands if they overlap.
1986 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1987 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1988 alpha_split_tmode_pair and adjust for above change.
1989 * config/alpha/alpha.md (movtf_internal): Adjust call to
1990 alpha_split_tfmode_pair and rely on it to swap the operands.
1991 (movti_internal): New insn and post-reload splitter.
1992 (movti): New expander.
1994 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1996 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1999 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2001 * rtlanal.c (global_reg_mentioned_p_1,
2002 global_reg_mentioned_p): Remove.
2003 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2005 * flow.c (initialize_uninitialized_subregs): Make it static.
2006 * rtl.h: Remove the prototype for
2007 initialize_uninitialized_subregs.
2009 * function.c (instantiate_virtual_regs): Make it static.
2010 * function.h: Remove the prototype for
2011 instantiate_virtual_regs.
2013 * regmove.c (regmove_optimize, combine_stack_adjustments):
2015 * rtl.h: Remove the prototypes for regmove_optimize and
2016 combine_stack_adjustments.
2018 2006-01-17 Roger Sayle <roger@eyesopen.com>
2020 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2021 (size_cost): Encode costs in bytes so that a reg-reg addition is
2022 equivalent to COSTS_N_INSNS(1).
2023 (override_options): Use the size_cost.branch_cost as the default
2024 ix86_branch_cost when optimizing for size.
2026 2006-01-18 Ben Elliston <bje@au.ibm.com>
2028 * Makefile.in (D32PBIT_FUNCS): New.
2029 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2030 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2031 D64PBIT_FUNCS and D128PBIT_FUNCS.
2032 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2033 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2035 (decnumber_dep): Define.
2036 * doc/libgcc.texi (Decimal float library routines): New node.
2037 * config/dfp-bit.h, config/dfp-bit.c: New files.
2039 2006-01-18 Ben Elliston <bje@au.ibm.com>
2041 * expr.c (emit_move_change_mode): Always adjust addresses, not
2042 just during reload. Copy replacements only during reload.
2043 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2044 emit_move_via_integer.
2046 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2048 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2049 instead of $(srcdir) and ${srcdir}.
2051 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2055 * arm.h (struct machine_function): Add pic_reg.
2056 * arm.c (arm_pic_register): Make unsigned.
2057 (arm_override_options): Only set arm_pic_register if
2058 TARGET_SINGLE_PIC_BASE.
2059 (use_return_insn): Only test for a pic register if it is fixed.
2060 (arm_compute_save_reg0_reg12_mask): Likewise.
2061 (thumb_compute_save_reg_mask): Likewise.
2062 (legitimate_pic_operand): Factor out some known invariants.
2063 (legitimize_pic_address): If we don't have a fixed pic register,
2064 then set up a pseudo in the function entry sequence. Handle the
2065 pic base being in a pseudo.
2066 (arm_load_pic_register): Handle the pic register being in a pseudo.
2067 (arm_expand_prologue): Only set up the pic register if it is fixed.
2068 (thumb_expand_prologue): Likewise.
2069 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2070 (pic_load_addr_based_insn): Likewise.
2071 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2074 2006-01-18 Ben Elliston <bje@au.ibm.com>
2076 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2077 decimal float modes for all floating point registers.
2079 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2080 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2082 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2085 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2086 even when the pointer is not NULL.
2088 2006-01-16 Ian Lance Taylor <ian@airs.com>
2090 * common.opt (ftoplevel-reorder): New option.
2091 * cgraph.c (cgraph_asm_nodes): New global variable.
2092 (cgraph_asm_last_node): New static variable.
2093 (cgraph_order): New global variable.
2094 (cgraph_create_node): Set new order field.
2095 (cgraph_varpool_node): Likewise.
2096 (decide_is_variable_needed): Return true if not
2097 flag_toplevel_reorder.
2098 (cgraph_add_asm_node): New function.
2099 * cgraph.h (struct cgraph_node): Add order field.
2100 (struct cgraph_varpool_node): Add order field.
2101 (struct cgraph_asm_node): Define.
2102 (cgraph_asm_nodes, cgraph_order): Declare.
2103 (cgraph_add_asm_node): Declare.
2104 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2106 (cgraph_varpool_assemble_pending_decls): Call it.
2107 (cgraph_output_pending_asms): New static function.
2108 (cgraph_finalize_compilation_unit): Call it.
2109 (struct cgraph_order_sort): Define.
2110 (cgraph_output_in_order): New static function.
2111 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2112 !flag_toplevel_reorder case.
2113 * c-parser.c: Include "cgraph.h".
2114 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2116 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2117 than -fno-unit-at-a-time.
2118 * doc/invoke.texi (Option Summary): Mention
2119 -fno-toplevel-reorder.
2120 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2121 -funit-at-a-time documentation.
2123 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2124 Kazu Hirata <kazu@codesourcery.com>
2126 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2128 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2130 * Makefile.in (FUNCTION_H): New. Use it instead of
2131 function.h throughout the file.
2132 * function.h: Include tree.h.
2134 2006-01-17 Ben Elliston <bje@au.ibm.com>
2136 * recog.c: Separate some functions with whitespace.
2138 2006-01-16 Richard Henderson <rth@redhat.com>
2140 Merge from gomp branch:
2141 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2142 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2143 and rename from struct inline_data. Rename callee* to dst*;
2144 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2145 transform_new_cfg, transform_return_to_modify, and
2146 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2148 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2149 (copy_decl_for_dup): Remove.
2150 * tree-inline.c (struct inline_data): Move to header.
2151 (insert_decl_map): Export.
2152 (remap_decl): Update for member name changes. Use copy_decl hook.
2153 Allow for replacement to be a non-decl. Remove dead code.
2154 (remap_type_1): Check for existing mapping.
2155 (remap_type): Export.
2156 (remap_decls): Update for member name changes.
2157 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2158 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2159 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2160 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2161 (tree_function_versioning, build_duplicate_type): Likewise.
2162 (copy_body_r): Likewise. Export.
2163 (copy_decl_for_dup): Split into ...
2164 (copy_decl_for_dup_finish, copy_decl_to_var,
2165 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2166 (replace_ref_tree, inlining_p): Remove.
2168 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2170 * ifcvt.c (if_convert): Make it static.
2171 * rtl.h: Remove the prototype for if_convert.
2173 * local-alloc.c (local_alloc): Make it static.
2174 * rtl.h: Remove the prototype for local_alloc.
2176 * loop.c (loop_optimize): Make it static.
2177 * cfgloop.h: Remove the prototype for loop_optimize.
2180 2006-01-16 DJ Delorie <dj@redhat.com>
2182 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2185 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2187 * pa.md: Disparage copies between general and floating-point registers
2188 in 32-bit move patterns.
2190 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2193 * Makefile.in (check-%): Depend on site.exp instead of
2194 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2197 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2199 * global.c (global_alloc): Make it static.
2200 * rtl.h: Remove the prototype for global_alloc.
2202 2006-01-16 Richard Guenther <rguenther@suse.de>
2204 * tree-ssa-alias.c (struct used_part): Add write_only field.
2205 (get_or_create_used_part_for): Initialize it to true.
2206 (create_overlap_variables_for): Don't create structure variables
2207 for structures that only are written to.
2208 (find_used_portions): Handle MODIFY_EXPR to track whether a
2209 structure is only written to.
2211 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2213 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2215 * basic-block.h: Remove the prototype for
2216 partition_hot_cold_basic_blocks.
2218 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2220 * cppspec.c (lang_specific_spec_functions): Remove.
2221 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2222 * gcc.h (lang_specific_spec_functions): Remove.
2223 * gccspec.c (lang_specific_spec_functions): Remove.
2225 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2227 * combine.c (record_value_for_reg): Invalidate registers
2229 (record_dead_and_set_regs_1): Likewise, by passing them to
2230 record_value_for_reg.
2231 (record_dead_and_set_regs): Invalidate stores made by a
2232 call. We do not combine across a call, but we still
2233 relied on equivalences.
2235 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2237 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2238 vrp_int_const_binop returning non-constant nodes.
2240 2006-01-16 Paul Brook <paul@codesourcery.com>
2242 * config/m68k/m68k.c (output_move_const_into_data_reg):
2243 Output correct mnemonic for mvz and mvs.
2245 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2247 * rtl-factoring.c: Add sequence abstraction algorithm.
2248 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2249 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2251 (block_has_preserve_label): New function.
2252 * common.opt: Register new pass.
2253 * Makefile.in: Ditto.
2255 * timevar.def: Ditto.
2256 * tree-pass.h: Ditto.
2257 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2258 * rtl.h (make_jump_insn_raw): Add forward decl.
2259 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2261 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2262 Roger Sayle <roger@eyesopen.com>
2264 * fold-const.c (fold_minmax): New static function.
2265 (fold_binary) <MIN_EXPR>: Call it.
2266 <MAX_EXPR>: Likewise.
2267 * stor-layout.c (place_field): Use DECL_SIZE consistently
2268 in the computation of the new record size.
2270 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2272 * cse.c (cse_condition_code_reg): Make it static.
2273 * rtl.h: Remove the prototype for cse_condition_code_reg.
2275 * combine.c (combine_instructions): Make it static.
2276 * rtl.h: Remove the prototype for combine_instructions.
2278 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2281 * tree.c (get_file_function_name_long): Concatenate the first global
2282 object name with a string derived from the input filename of the object
2285 2006-01-16 Ben Elliston <bje@au.ibm.com>
2287 * config/i386/winnt-stubs.c: Update FSF address.
2288 * config/xtensa/ieee754-df.S: Ditto.
2289 * config/xtensa/ieee754-sf.S: Ditto.
2291 2006-01-14 Ian Lance Taylor <ian@airs.com>
2293 * ifcvt.c (noce_init_if_info): New static function, broken out of
2294 noce_process_if_block.
2295 (noce_process_if_block): Call noce_init_if_info.
2296 (check_cond_move_block): New static function.
2297 (cond_move_process_if_block): New static function.
2298 (process_if_block): Call cond_move_process_if_block.
2300 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2302 * cselib.c (hash_table): Rename to cselib_hash_table.
2303 (cselib_clear_table, discard_useless_values,
2304 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2305 cselib_init, cselib_finish): Adjust uses of hash_table.
2307 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2309 PR tree-optimization/25485
2310 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2311 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2312 is known to be false and true, respectively.
2314 2006-01-14 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/22548
2317 PR tree-optimization/22555
2318 PR tree-optimization/22501
2319 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2320 * params.def (salias-max-array-elements): New parameter.
2321 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2322 * doc/invoke.texi (salias-max-array-elements): Document.
2323 * tree-flow-inline.h (var_can_have_subvars): We also handle
2325 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2327 * tree-ssa-structalias.c (params.h): Include.
2328 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2329 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2330 (get_constraint_for): For ADDR_EXPR operating on something
2331 containing an ARRAY_REF, add all subvars to the solution.
2332 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2333 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2334 for creating MUST_DEFs.
2335 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2337 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2339 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2341 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2342 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2343 number_of_iterations_le): New functions.
2344 (number_of_iterations_special): Removed.
2345 (number_of_iterations_exit): Do not use number_of_iterations_special.
2346 * tree.c (unsigned_type_for): Always return integer type.
2348 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2349 Richard Guenther <rguenther@suse.de>
2351 PR rtl-optimization/24257
2352 * gcse.c (find_moveable_store): Only consider a store movable
2353 when the SET_SRC of the insn can be assigned to a register.
2355 2006-01-14 Ian Lance Taylor <ian@airs.com>
2357 * tree.c (tree_not_class_check_failed): New function.
2358 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2359 (tree_not_class_check_failed): Declare.
2361 2006-01-13 Ian Lance Taylor <ian@airs.com>
2363 * reload1.c (do_output_reload): Add assertion rejecting a
2366 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2368 * combine.c (struct reg_stat): Add new fields truncation_label and
2370 (record_value_for_reg): Reset truncated_to_mode.
2371 (record_truncated_value): New function.
2372 (check_promoted_subreg): Call it. Rename to check_conversions.
2373 (combine_instructions): Rename check_promoted_subreg to
2375 (reg_truncated_to_mode): New function.
2376 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2377 (gen_lowpart_or_truncate): New function.
2378 (force_to_mode): Use it instead of gen_lowpart.
2380 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2382 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2383 VAR is a tag, not its type tag.
2385 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2387 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2388 alternatives to match style of other entries.
2389 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2391 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2393 PR tree-optimization/25771
2394 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2397 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2400 * tree-inline.c (declare_return_variable): If the return variable
2401 was marked as a non gimple complex, set the return slot variable
2402 to be a non gimple comple variable.
2404 2006-01-13 Richard Guenther <rguenther@suse.de>
2406 * builtins.c (expand_builtin_sincos): New function.
2407 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2409 (expand_builtin): Expand sincos using expand_builtin_sincos.
2411 2006-01-12 DJ Delorie <dj@redhat.com>
2413 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2414 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2415 so that constant shifts can be split.
2416 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2417 (m32c_valid_pointer_mode): Make static.
2418 (shift_gen_func_for): New.
2419 (m32c_prepare_shift): Use it. Split large const shifts into
2421 * config/m32c/predicates.md (shiftcount_operand): Allow more
2423 (longshiftcount_operand): New.
2424 * doc/md.texi (Machine Constraints): Document In6.
2426 2006-01-13 Ben Elliston <bje@au.ibm.com>
2428 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2429 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2432 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2434 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2435 to try to avoid clobbering pieces of structures when we know
2436 something about the whole structure.
2437 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2439 2006-01-13 Ben Elliston <bje@au.ibm.com>
2441 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2442 return in memory, as this is no limitation is no longer present.
2444 2006-01-12 DJ Delorie <dj@redhat.com>
2446 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2447 mova with fb, and for fb+0 -> An.
2449 * config/m32c/mov.md (peephole2): Fix enabling logic.
2451 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2452 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2453 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2454 FINI_ARRAY_SECTION_ASM_OP): Define.
2456 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2458 (m32c_legitimize_reload_address): New logic to reload FB to An.
2459 (m32c_output_reg_push): Add newline.
2460 (m32c_output_reg_pop): Likewise.
2462 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2464 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2466 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2468 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2470 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2472 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2475 2006-01-11 Ben Elliston <bje@au.ibm.com>
2477 * rtlanal.c (find_reg_note): Assert insn is not null.
2479 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2481 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2484 2006-01-11 Jeff Law <law@redhat.com>
2486 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2488 (mark_threaded_blocks, register_jump_thread): New functions.
2489 (thread_through_all_blocks): Remove unwanted argument. No
2490 longer rely on e->aux to communicate thread target info.
2491 Call mark_threaded_blocks. Release the threaded_blocks
2492 bitmap and threaded_edges vector when complete.
2493 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2494 (threaded_blocks): Remove.
2495 (tree_ssa_dominator_optimize): Remove initialization and
2496 finalization of threaded_blocks. Simplify call to
2497 thread_through_all_blocks.
2498 (thread_across_edge): Call register_jump_thread rather than
2499 storing thread information into e->aux.
2500 (free_all_edge_infos): Simplify now that e->aux is no longer
2501 used to communicate with thread_through_all_blocks.
2502 * tree-flow.h (thread_through_all_blocks): Update prototype.
2503 (register_jump_thread): Prototype.
2505 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2507 * df-core.c (df_compact_blocks, df_bb_replace): Use
2508 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2510 2006-01-11 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/25734
2513 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2514 stop propagation after successful propagation to the LHS.
2516 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2518 * basic-block.h (control_flow_graph): Change the type of
2519 x_basic_block_info to VEC(basic_block,gc) *.
2520 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2522 (SET_BASIC_BLOCK): New.
2523 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2524 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2525 * cfgbuild.c (find_basic_blocks): Likewise.
2526 * cfglayout.c (fixup_reorder_chain): Likewise.
2527 * cfgrtl.c (create_basic_block_structure,
2528 rtl_create_basic_block): Likewise.
2529 * ifcvt.c (find_if_case_1): Likewise.
2530 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2533 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2535 * Makefile.in: Removed rotted odf.c entry.
2537 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2540 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2541 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2542 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2543 output pattern modifier, not %e.
2544 * config/cris/cris.c (cris_op_str): Update comment about pattern
2546 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2547 before falling through into...
2548 <case 'E'>: Redefined from old 'e' case.
2550 2006-01-11 Jan Hubicka <jh@suse.cz>
2553 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2555 2006-01-11 Jan Hubicka <jh@suse.cz>
2557 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2558 * i386.c (x86_decompose_lea): Kill.
2559 (ix86_rtx_costs): Kill.
2561 2006-01-11 Jan Hubicka <jh@suse.cz>
2563 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2564 * cgraph.h (cgraph_node): Add inline_decl.
2565 (cgraph_insert_node_to_hashtable): Declare.
2566 (save_inline_function_body): Declare.
2567 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2569 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2570 (cgraph_function_versioning): Update call of tree_function_versioning.
2571 (save_inline_function_body): New function.
2572 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2573 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2574 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2575 (cgraph_default_inline_p): Likewise.
2576 (cgraph_decide_inlining_incrementally): Likewise.
2577 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2578 (copy_bb): Kill saving; do updating of clones.
2579 (copy_cfg_body): Kill saving.
2580 (initialize_inlined-parameters): Likewise.
2581 (expand_call_inline): Likewise.
2583 (tree_function_versioning): New parameter "update_clones".
2584 (inlining_p): Kill saving.
2585 * tree-inline.h (tree_function_versioning): Update prototype.
2586 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2589 2006-01-11 Ian Lance Taylor <ian@airs.com>
2591 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2592 Allow undoing set of machine mode.
2593 (do_SUBST): Use enums instead of is_int.
2594 (do_SUBST_MODE): New function.
2595 (SUBST_MODE): New macro.
2596 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2597 reg and trying to replace reg_regno_rtx with a new register.
2598 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2599 (simplify_set): Use SUBST_MODE.
2600 (distribute_notes): Remove code that tried to update reg notes
2601 for regno_reg_rtx changes.
2603 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2605 PR tree-optimization/23109
2606 PR tree-optimization/23948
2607 PR tree-optimization/24123
2609 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2610 * tree-cfg.c (single_noncomplex_succ): New.
2611 * tree-flow.h (single_noncomplex_succ): Declare it.
2612 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2613 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2614 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2615 insert_bb, register_division_in, insert_reciprocals,
2616 replace_reciprocal, free_bb): New.
2617 (execute_cse_reciprocals_1): Rewritten.
2618 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2619 Do not commit any edge insertion. Always compute dominators and
2620 create the allocation pool.
2621 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2622 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2623 * targhooks.c (default_min_divistions_for_recip_mul): New.
2624 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2625 * passes.c (init_optimization_passes): Run recip after tree loop
2627 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2629 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2630 Kenneth Zadeck <zadeck@naturalbridge.com>
2632 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2633 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2634 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2635 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2636 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2637 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2638 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2639 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2640 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2641 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2642 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2643 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2644 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2645 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2646 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2647 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2648 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2649 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2650 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2651 DF_SCAN_POST_ALLOC): New macros.
2652 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2653 df_free_bb_function, df_local_compute_function, df_init_function,
2654 df_dataflow_function, df_confluence_function_0,
2655 df_confluence_function_n, df_transfer_function,
2656 df_finalizer_function, df_free_function, df_dump_problem_function,
2657 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2658 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2659 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2660 df_urec_bb_info, ) New types.
2661 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2663 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2664 df_analyze_simple_change_some_blocks,
2665 df_analyze_simple_change_one_block, df_compact_blocks,
2666 df_bb_replace, df_bb_regno_last_use_find,
2667 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2668 df_insn_regno_def_p, df_find_def, df_find_use,
2669 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2670 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2671 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2672 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2673 debug_df_chain, df_get_dependent_problem, df_chain_create,
2674 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2675 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2676 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2677 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2678 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2679 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2680 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2681 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2682 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2683 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2684 df_reorganize_refs, df_set_state, df_hard_reg_init,
2685 df_read_modify_subreg_p) New public functions.
2686 * df-core.c: The core dataflow solver and glue routines for rtl
2688 (df_init, df_add_problem, df_set_blocks, df_finish,
2689 df_hybrid_search_forward, df_hybrid_search_backward,
2690 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2691 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2692 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2693 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2694 df_reg_defined, df_find_use, df_reg_used, df_dump,
2695 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2696 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2697 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2698 debug_df_useno, reset_df_after_reload): New functions.
2699 * df-scan.c: The scanning fuctions, once in df.c, completely
2700 rewritten so that they now fully model the functionality of
2701 register usage at the backend.
2702 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2703 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2704 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2705 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2706 df_get_artificial_defs, df_get_artificial_uses,
2707 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2708 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2709 df_refs_delete, df_reorganize_refs, df_set_state,
2710 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2711 df_def_record_1, df_defs_record, df_uses_record,
2712 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2713 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2714 df_record_exit_block_uses, df_hard_reg_init): New functions.
2716 * df-problems.c: Seven concrete dataflow problems that use the
2717 scanning in df-scan.c and are solved by the engine in df-core.c.
2718 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2719 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2720 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2721 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2722 df_ru_free_bb_info, df_ru_alloc,
2723 df_ru_bb_local_compute_process_def,
2724 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2725 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2726 df_ru_transfer_function, df_ru_free, df_ru_dump,
2727 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2728 df_rd_free_bb_info, df_rd_alloc,
2729 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2730 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2731 df_rd_transfer_function, df_rd_free, df_rd_dump,
2732 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2733 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2734 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2735 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2736 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2737 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2738 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2739 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2740 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2741 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2742 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2743 df_urec_mark_reg_use_for_earlyclobber,
2744 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2745 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2746 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2747 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2748 df_chain_create_bb_process_use, df_chain_create_bb,
2749 df_chain_finalize, df_chain_free, df_chains_dump,
2750 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2751 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2752 df_reg_lifetime): New functions.
2753 * df.c: Deleted file.
2754 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2755 consistent with new df api.
2756 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2757 rest_of_handle_sms): Ditto.
2758 * web.c (unionfind_union, union_defs, entry_register, web_main):
2760 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2761 invariant_expr_equal_p, find_defs, check_dependencies,
2762 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2763 free_inv_motion_data, move_loop_invariants): Ditto.
2764 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2765 Update dependencies.
2766 (odf.c): Added defective entry that was deleted later in day.
2767 * sched-deps.c (sched_analyze_1): Ditto.
2769 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2771 * tree-ssa-operands.c (get_expr_operands): Record addressable
2772 variables directly. Do not call add_stmt_operands for CONST_DECLs
2774 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2775 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2777 2006-01-11 Ben Elliston <bje@au.ibm.com>
2779 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2780 function returns true in the positive case.
2782 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2785 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2786 for SI, DI, SF and DF modes. Add alternatives to copy between
2787 general and floating point registers to the 32-bit patterns.
2788 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2789 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2790 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2791 generating 64-bit code.
2792 * config/pa/pa.c (output_move_double): Handle copies between general
2793 and floating registers.
2795 2006-01-10 Stuart Hastings <stuart@apple.com>
2797 * config/i386/i386.md (set_got): Update.
2798 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2799 (builtin_setjmp_receiver): Mach-O support.
2800 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2801 (GOT_SYMBOL_NAME): Define.
2802 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2803 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2804 * config/i386/i386.c (override_options): Revise for Darwin.
2805 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2806 support. (darwin_x86_file_end): New. (output_set_got): Add label
2807 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2808 * config/i386/i386-protos.h (output_set_got): Likewise.
2809 * config/darwin.c (machopic_legitimize_pic_address): Update
2812 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2814 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2815 when MODE isn't BLKmode.
2817 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2819 PR rtl-optimization/25367
2820 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2822 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2825 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2826 for a negative bound.
2828 2006-01-10 Richard Guenther <rguenther@suse.de>
2830 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2831 Never override with anything constraint.
2833 2006-01-10 Jan Beulich <jbeulich@novell.com>
2835 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2836 256 bits when optimize_size.
2838 2006-01-10 Jan Beulich <jbeulich@novell.com>
2840 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2842 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2843 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2846 2006-01-10 Ben Elliston <bje@au.ibm.com>
2848 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2850 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2851 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2852 (USE_FP_FOR_ARG): Reject decimal float modes.
2853 (function_arg_advance): Likewise.
2854 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2855 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2856 point types in AltiVec vectors.
2857 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2858 (rs6000_libcall_value): Likewise.
2860 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2862 * config/xtensa/ieee754-df.S: New file.
2863 * config/xtensa/ieee754-sf.S: New file.
2864 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2865 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2866 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2868 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2870 * config/sh/predicates.md (binary_float_operator,
2871 binary_logical_operator, commutative_float_operator,
2872 equality_comparison_operator, greater_comparison_operator,
2873 less_comparison_operator, logical_operator,
2874 noncommutative_float_operator, shift_operator,
2875 symbol_ref_operand, unary_float_operator): Remove redundant
2878 2006-01-09 Jeff Law <law@redhat.com>
2880 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2881 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2882 now unused arguments. Callers updated.
2883 (eliminate_redundant_computations): Remove now unused arguments,
2885 (local_fold): Remove, no longer used.
2886 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2888 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2889 (simplify_cond): New function.
2890 (forward_propagate_into_cond): Call simplify_cond.
2892 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2894 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2895 (*vec_extractv2di_1_sse): New.
2897 2006-01-09 Ben Elliston <bje@au.ibm.com>
2899 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2901 2006-01-08 Richard Guenther <rguenther@suse.de>
2903 * tree-ssa-structalias.c (get_constraint_for): Remove
2905 (get_constraint_for_component_ref): Likewise.
2906 (do_deref): Likewise.
2907 (get_constraint_for): Likewise.
2908 (do_structure_copy): Likewise.
2909 (handle_ptr_arith): Likewise.
2910 (find_func_aliases): Likewise. Remove unused need_anyoffset
2913 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2914 Kaz Kojima <kkojima@gcc.gnu.org>
2916 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2917 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2918 (EXTRA_CONSTRAINT_C16): Remove.
2919 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2920 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2921 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2922 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2923 constants of SHmedia. Handle nested constant expressions of
2925 (andcosts): Fix the costs for SHmedia constants.
2926 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2927 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2928 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2929 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2930 (movv4hi_i, movv2si_i): Likewise.
2931 (movsi_const): Adjust the second operand of ior so to match with
2933 (movdi_const, movdi_const_32bit): Likewise.
2934 (movdi_const_16bit+1): Don't sign-extend LOW.
2935 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2937 (*double_shori): Fix the split condition. Use GEN_INT instead
2938 of get_int_mode calls. Mask lower 16-bit of the argument of
2940 (sym2GOTPLT): Remove.
2941 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2943 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2944 instead of EXTRA_CONSTRAINT_C16.
2946 2006-01-07 Ian Lance Taylor <ian@airs.com>
2947 David Edelsohn <edelsohn@gnu.org>
2949 PR rtl-optimization/25662
2950 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2951 for constant operands instead of simplify_gen_binary.
2952 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2953 after trying simplify_binary_operation
2955 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2957 * tree.c (iterative_hash_expr): Hash decls based on UID.
2959 2006-01-06 Eric Christopher <echristo@apple.com>
2961 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2962 (TARGET_UNWIND_EMIT): Fix spelling.
2963 * target.h (gcc_target): Add except_table_label.
2964 * except.c (output_function_exception_table): Use.
2965 * varasm.c (default_emit_except_table_label): New.
2966 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2968 (asm_out): Add here.
2969 * output.h (default_emit_except_table_label): Prototype.
2970 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2971 * config/darwin.c (darwin_emit_except_table_label): Define.
2972 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2974 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2976 PR tree-optimization/18527
2977 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2978 number_of_iterations_special, number_of_iterations_exit):
2979 Move base and step of an iv to a single structure. Add
2980 no_overflow flag, and use it in # of iterations analysis.
2981 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2982 folded_casts argument.
2983 (simple_iv): Pass base and step in a structure. Set no_overflow
2985 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2986 Evaluate expensiveness of computing # of iterations instead of
2987 the final expression.
2988 * tree-scalar-evolution.h (affine_iv): New structure.
2989 (simple_iv): Declaration changed.
2990 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2991 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2992 find_givs_in_stmt): Changed due to simple_iv change.
2994 2006-01-06 Jeff Law <law@redhat.com>
2997 * tree-cfg.c (bsi_replace): Rename final argument from
2998 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2999 change (stmt -> orig_stmt).
3000 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3001 (bsi_remove): Add new argument. Remove EH information
3003 (verify_eh_throw_table_statements): New function.
3004 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3006 * tree-optimize.c (execute_free_cfg_annotations): Verify
3007 the EH throw statement table after removing annotations.
3008 * except.h (verify_eh_throw_table_statements): Prototype.
3009 * tree-flow.h (bsi_remove): Update prototype.
3010 * tree-vrp.c (remove_range_assertions): Add new argument to
3012 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3013 * tree-complex.c (expand_complex_div_wide): Likewise.
3014 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3015 * tree-tailcall.c (eliminate_tailcall): Likewise.
3016 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3017 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3018 * tree-nrv.c (tree_nrv): Likewise.
3019 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3020 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3021 (combine_blocks): Likewise.
3022 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3023 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3024 (cleanup_control_flow): Likewise.
3025 (remove_forwarder_block): Likewise.
3026 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3027 * tree-sra.c (sra_replace): Likewise.
3028 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3029 (forward_propagate_single_use_vars): Likewise.
3030 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3031 * tree-inline.c (expand_call_inline): Likewise.
3032 * tree-vect-transform.c (vect_transform_loop): Likewise.
3033 * tree-outof-ssa.c (rewrite_trees): Likewise.
3034 * tree-cfg.c (make_goto_expr_edges): Likewise.
3035 (cleanup_dead_labels): Likewise.
3036 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3037 (bsi_move_before, bsi_move_after): Likewise.
3038 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3039 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3041 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3044 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3046 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3047 on non gimple variables. Also add checks at the top for decls and
3049 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3051 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3052 and IMAGPART_EXPR for creating MUST_DEFs.
3053 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3054 and NAME_MEMORY_TAG separately from the DECLs.
3056 2006-01-06 Richard Guenther <rguenther@suse.de>
3058 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3059 annotation, if necessary.
3060 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3061 redundant calls to update_stmt.
3062 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3065 2006-01-05 Richard Henderson <rth@redhat.com>
3067 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3069 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3071 * c-typeck.c: Update copyright date.
3073 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3075 * c-typeck.c (build_c_cast): Always warn when casting
3076 from a pointer to an integer of different size, even if
3077 the node was constant.
3079 2006-01-05 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/22555
3082 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3083 if one structure field is an array.
3084 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3085 operands even if we found a subvar, but ignore VOPs in this
3087 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3089 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3091 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3094 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3096 2006-01-05 Richard Guenther <rguenther@suse.de>
3097 Diego Novillo <dnovillo@redhat.com>
3099 * tree-pass.h (TODO_remove_unused_locals): Define.
3100 * gimple-low.c (expand_var_p, remove_useless_vars,
3101 pass_remove_useless_vars): Remove. Update all users.
3102 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3103 (remove_unused_locals): New function.
3104 * tree-flow.h (remove_unused_locals): Declare.
3105 * passes.c (execute_todo): Call remove_unused_locals if
3106 TODO_remove_unused_locals is set.
3107 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3108 * tree-ssa-dce.c (pass_dce): Likewise.
3109 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3111 2006-01-05 Richard Guenther <rguenther@suse.de>
3113 * tree-flow.h (struct fieldoff): Decompose field to
3114 type, size and decl.
3115 * tree-ssa-alias.c (create_sft): Take type as parameter.
3116 (create_overlap_variables_for): Store type, size and decl
3117 in the fieldoff structure.
3118 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3120 (push_fields_onto_fieldstack): Likewise.
3121 (create_variable_info_for): Likewise. Use offset for the
3122 SFT name if the decl is not available.
3124 2006-01-04 Paul Brook <paul@codesourcery.com>
3126 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3128 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3130 * lambda-code.c (can_put_in_inner_loop): Relax
3132 (can_put_after_inner_loop): New function.
3133 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3134 (perfect_nestify): Change to make copies and modify uses.
3136 2006-01-04 Richard Henderson <rth@redhat.com>
3138 Merge from gomp branch:
3139 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3140 via integer constant.
3141 (pragma_lex): Remove.
3142 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3143 rather than parsing it.
3144 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3145 handle_pragma_extern_prefix): Add %< %> quotes.
3146 (registered_pragmas): New.
3147 (c_register_pragma_1): New.
3148 (c_register_pragma): Use it.
3149 (c_register_pragma_with_expansion): Likewise.
3150 (c_invoke_pragma_handler): New.
3151 (init_pragma): Use cpp_register_deferred_pragma directly for
3153 * c-pragma.h (enum pragma_kind): New.
3154 (pragma_handler): New.
3155 (c_invoke_pragma_handler): Declare.
3156 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3158 * c-common.h (c_common_pch_pragma): Update decl.
3159 * Makefile.in (c-parser.o): Update dependencies.
3160 (GTFILES): Add c-pragma.h.
3161 * c-parser.c (struct c_token): Add pragma_kind.
3162 (struct c_parser): Add in_pragma.
3163 (c_lex_one_token): Always initialize keyword and pragma_kind.
3164 Extract data for CPP_PRAGMA.
3165 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3166 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3167 Don't allow CPP_PRAGMA_EOL if in_pragma.
3168 (c_parser_consume_pragma): New.
3169 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3170 (c_parser_skip_to_end_of_parameter): Likewise.
3171 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3172 (c_parser_skip_to_pragma_eol): New.
3173 (c_parser_external_declaration): Handle CPP_PRAGMA.
3174 (c_parser_compound_statement_nostart): Likewise.
3175 (c_parser_statement_after_labels): Likewise.
3176 (c_parser_pragma): New.
3177 (pragma_lex): Likewise.
3178 (c_parser_pragma_pch_preprocess): New.
3179 (c_parser_new): Merge into ...
3180 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3182 2006-01-04 Jeff Law <law@redhat.com>
3185 * tree-cfg.c (bsi_replace): Remove the original statement
3186 from the EH throw statement table.
3188 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3190 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3191 make the prototype extern "C" and add throw ().
3194 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3195 and pos non-negative and pos + len <= 32.
3196 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3197 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3198 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3201 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3202 as well as sizes not multiple of component size.
3205 * function.c (instantiate_expr): New function.
3206 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3207 walk its DECL_VALUE_EXPR with instantiate_expr.
3209 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3210 DW_OP_deref{,_size} if address isn't going to be added.
3212 2006-01-04 Ben Elliston <bje@au.ibm.com>
3214 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3215 * config/fp-bit.c: Likewise.
3217 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3219 * dominance.c: Add comment about why we use DFS numbering
3222 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3223 Richard Henderson <rth@redhat.com>
3225 Merge from gomp-branch:
3226 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3227 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3229 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3231 PR rtl-optimization/25578
3232 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3233 pass a parameter to simplify_shift_const if changing ASHIFTRT
3236 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3238 * builtins.c (get_builtin_sync_mem): New function.
3239 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3240 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3241 Call get_builtin_sync_mem to generate mem rtx.
3243 2006-01-03 Richard Guenther <rguenther@suse.de>
3246 * stmt.c (add_case_node): Make sure to clear overflow flags
3249 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3251 Merge from gomp-branch.
3252 * config/sparc/sync.md: New file.
3253 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3254 UNSPECV_LDSTUB): New constants.
3255 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3256 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3257 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3260 2006-01-03 Roger Sayle <roger@eyesopen.com>
3262 * combine.c (reg_subword_p): New predicate to test whether the
3263 destination of a set refers to a subword/piece of a register.
3264 (try_combine): Generalize the code to merge the setting of a
3265 pseudo to a constant followed by a set of a subword of that
3266 register to a constant.
3268 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3270 * basic-block.h (control_flow_graph): Change the type of
3271 x_label_to_block_map to VEC(basic_block,gc) *.
3272 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3273 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3275 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3276 VEC(basic_block,heap) *.
3277 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3278 ssa_prop_fini): Adjust the uses of cfg_blocks.
3280 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3282 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3284 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3285 hashing trees instead of a pointer hash.
3286 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3287 compare for MEM_EXPR.
3289 PR rtl-optimization/25130
3290 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3291 when comparing MEMs for GCSE
3293 2006-01-03 Ben Elliston <bje@au.ibm.com>
3295 * targhooks.h (default_decimal_float_supported_p): Declare.
3296 * targhooks.c (default_decimal_float_supported_p): Define.
3297 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3298 `default_decimal_float_supported_p'.
3299 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3301 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3303 * combine.c (apply_distributive_law <SUBREG>): Check
3304 TRULY_NOOP_TRUNCATION.
3306 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3308 * dwarf2out.c (have_switched_text_section): Delete.
3309 (have_multiple_function_sections): New.
3310 (have_location_lists): Make 'bool'.
3311 (add_AT_loc_list): Use 'true' not '1'.
3312 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3313 (output_loc_list): Use have_multiple_function_sections.
3314 (output_ranges): Likewise.
3315 (dwarf2out_begin_function): Set have_multiple_function_sections if
3317 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3318 Check function_section rather than DECL_SECTION_NAME.
3319 (dwarf2out_finish): Use have_multiple_function_sections.
3320 Don't clear have_location_lists.
3322 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3323 Jan Hubicka <jh@suse.cz>
3325 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3326 case of conditional jump jumping to the next instruction.
3327 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3328 cases of conditional jump jumping to the next instruction.
3330 2006-01-02 Jan Hubicka <jh@suse.cz>
3332 * i386.c (*_cost): Add COSTS_N_INSNS.
3333 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3335 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3338 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3340 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3342 * config/arm/arm.c (all_fpus): Fix comment typo.
3343 * config/darwin.c: Likewise.
3344 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3345 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3346 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3348 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3350 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3351 (rs6000_split_compare_and_swapqhi): New.
3352 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3353 (sync_compare_and_swapqhi_internal): New.
3354 * config/rs6000/rs6000-protos.h: Declare.