1 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9 * toplev.c: Fix thinko.
11 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12 Marcin Dalecki <martin@dalecki.de>
14 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15 (push_srcloc): Use XNEW.
16 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20 * df-core.c (df_set_blocks): Deleted all variable.
22 2006-01-28 Ian Lance Taylor <ian@airs.com>
24 * cgraphunit.c (cgraph_assemble_pending_functions): Call
25 cgraph_output_pending_asms.
27 2006-01-28 Zack Weinberg <zackw@panix.com>
29 * c.opt: Add -W(no-)overlength-strings.
30 * doc/invoke.texi: Document it.
31 * c-opts.c (c_common_handle_option): -pedantic implies
32 -Woverlength-strings, if not explicitly disabled already.
33 (c_common_post_options): -Woverlength-strings defaults to off, and
34 is always off for C++.
35 * c-common.c (fix_string_type): Issue warning about strings longer
36 than is portable only if warn_overlength_strings. Rearrange code
38 * configure.in: Check for -Wno-overlength-strings as well before
39 enabling -pedantic in stage 1.
40 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
41 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
43 * genconditions.c (write_header, write_one_condition)
44 (write_conditions, write_writer): Consolidate very long strings
45 that were broken up to fit in C89 portable limit. Don't use
46 printf when fputs will do.
48 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
50 * combine.c (simplify_comparison <AND>): Check
51 TRULY_NOOP_TRUNCATION before start using a subreg.
53 * config/mips/mips.md (*branch_zero<mode>,
54 *branch_zero<mode>_inverted, *branch_equality<mode>,
55 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
56 Remove mode check from comparisons.
58 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
60 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
62 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
64 * expmed.c (const_mult_add_overflow_p): Remove.
65 * expr.h: Remove the prototype for const_mult_add_overflow_p.
67 * recog.c (validate_replace_rtx_subexp): Remove.
68 * recog.h: Remove the prototype for
69 validate_replace_rtx_subexp.
71 * integrate.h: Remove the prototype for
72 copy_decl_for_inlining.
73 * rtl.h: Remove the prototype for mark_constant_function.
74 * tree-vectorizer.h: Remove the prototype for
75 vect_strip_conversion.
77 * modulo-sched.c (create_partial_schedule,
78 free_partial_schedule, reset_partial_schedule): Make them
81 * hooks.c (hook_bool_rtx_int_false): Remove.
82 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
84 2006-01-28 David Edelsohn <edelsohn@gnu.org>
86 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
87 and -mlong-double-128 are incompatible.
88 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
89 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
90 (TARGET_LIBGCC2_CFLAGS): Define.
91 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
92 (TARGET_LIBGCC2_CFLAGS): Same.
93 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
95 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
98 * c-typeck.c (build_binary_op): Perform implicit casts of
99 operands before shortening them.
101 * cfgloopmanip.c (split_loop_bb): Remove.
102 * cfgloop.h: Remove the prototype for split_loop_bb.
104 * cfgloop.c (flow_loop_outside_edge_p): Remove.
105 * cfgloop.h: Remove the prototype for
106 flow_loop_outside_edge_p.
108 * emit-rtl.c (init_virtual_regs): Make it static.
109 * function.h: Remove the prototype for init_virtual_regs.
111 * recog.c (peephole2_optimize): Make it static.
112 * recog.h: Remove the prototype for peephole2_optimize.
114 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
116 * df-scan.c (df_record_entry_block_defs): Check if
117 INCOMING_RETURN_ADDR_RTX is defined.
119 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
120 Kenneth Zadeck <zadeck@naturalbridge.com>
122 PR rtl-optimization/24762
123 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
124 * targhooks.c (hook_void_bitmap): New hook prototype.
125 * targhoohs.h (hook_void_bitmap): Ditto.
126 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
127 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
128 * target.h (live_on_entry): New function pointer.
129 * df-scan.c (df_all_hard_regs): Removed.
130 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
131 (df_scan_free_internal): Added df->entry_block_defs.
132 (df_scan_alloc): Ditto.
133 (df_scan_dump): Ditto.
134 (df_uses_record): Plumbed flag field properly thru calls.
135 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
136 This part fixes PR24762.
137 (df_bb_refs_record): Added code to make the frame and arg
138 pointers live in EH blocks.
139 (df_refs_record): Added call to df_record_entry_block_defs.
140 (df_record_entry_block_defs): New function.
141 * df-core.c: Added comments to describe new artifical defs.
142 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
143 (entry_block_defs): New field in struct df.
144 (df_all_hard_regs): Deleted.
145 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
146 * df-problems.c (df_ru_bb_local_compute_process_def):
147 Added code to handle artifical defs in the entry to a function.
148 (df_ru_bb_local_compute): Ditto.
149 (df_rd_bb_local_compute_process_def): Ditto.
150 (df_rd_bb_local_compute): Ditto.
151 (df_lr_bb_local_compute): Ditto.
152 (df_ur_bb_local_compute): Ditto.
153 (df_urec_bb_local_compute): Ditto.
154 (df_chain_create_bb): Ditto.
155 (df_ur_local_finalize): Removed entry.
156 (df_urec_init): Ditto.
157 (df_urec_local_finalize): Ditto.
158 (df_ri_bb_compute): Added detection of last use of pseudos.
159 * Makefile.in (df-scan.o): Updated dependencies.
160 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
161 * config/mips/mips.c (mips_set_live_on_entry): Added.
162 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
164 * dce.c (marked_insn_p): Added code to handle artifical defs.
166 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
168 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
170 (_mm_cvtsi128_si64): Likewise.
171 (_mm_cvtsd_si64): Likewise.
172 (_mm_cvttsd_si64): Likewise.
173 (_mm_cvtsi64_sd): Likewise.
174 (_mm_cvtsi64_si128): Likewise.
175 * config/i386/mmintrin.h (_m_from_int64): Likewise.
176 (_mm_cvtsi64_m64): Likewise.
177 (_m_to_int64): Likewise.
178 (_mm_cvtm64_si64): Likewise.
179 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
180 (_mm_cvttss_si64): Likewise.
181 (_mm_cvtsi64_ss): Likewise.
182 (_mm_cvtss_f32): Likewise.
184 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
186 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
187 for pragma redefine_extname.
189 2006-01-27 Jakub Jelinek <jakub@redhat.com>
192 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
193 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
194 -mno-minimal-toc to previous content.
195 (bispecs): Remove goal.
196 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
197 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
198 compatibility aliases on powerpc-*-*gnu*.
199 * config/rs6000/libgcc-ppc-glibc.ver: New file.
200 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
201 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
202 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
203 (ldblspecs): New goal.
204 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
205 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
207 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
208 L_sf_to_tf or L_df_to_tf is defined.
210 2006-01-27 David Edelsohn <edelsohn@gnu.org>
211 Alan Modra <amodra@bigpond.net.au>
214 * config/rs6000/linux.h (POWERPC_LINUX): Define.
215 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
216 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
217 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
218 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
219 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
220 (rs6000_override_options): Initialize rs6000_ieeequad.
221 Initialize TFmode format to ibm_extended_format if not
223 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
225 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
226 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
227 (function_arg_advance): IBM long double passed in two FPRs, not
229 (function_arg): IBM long double passed in FPRs.
230 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
231 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
232 Only multireg GPR aligned.
233 (rs6000_init_libfuncs): Enable IBM long double functions if not
235 (rs6000_generate_compare): Use IBM long double compare if not
237 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
238 (TARGET_IEEEQUAD): Define.
239 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
241 * config/rs6000/rs6000.md: Enable TFmode patterns if
243 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
244 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
245 and -mlong-double-128 are incompatible.
246 * doc/invoke.texi (-mabi): Collect options together. Add
247 ibmlongdouble and ieeelongdouble.
249 2006-01-27 Richard Sandiford <richard@codesourcery.com>
251 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
253 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
254 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
255 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
256 * rtl.h (rtunion_def): Remove rt_ptr.
258 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
259 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
260 * config/i386/winnt.c (i386_pe_mark_dllexport)
261 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
263 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
265 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
267 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
271 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
272 pthread_key_delete. From John David Anglin. gthrw-ify
273 pthread_getunique_np only if it it's not a macro. Delete
275 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
276 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
277 __gthread_objc_condition_signal, __gthread_key_delete): Add
278 "__attribute__ ((__unused__))" to unused arguments.
279 (__gthread_recursive_mutex_init_function): Add missing return.
280 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
281 gthr-posix95.h: Use macro-based approach for name redirection
282 on targets missing weakref.
284 2006-01-26 Zack Weinberg <zackw@panix.com>
286 * genconditions.c (write_header): In generated code, #ifdef out
287 all includes and fake declarations, except includes of bconfig.h
288 and system.h, unless GCC_VERSION >= 3001. Do not include
289 gensupport.h in any case.
290 (write_conditions): Generate a definition of struct c_test. Add
291 a comment to the generated #endif.
292 (write_one_condition): Escape backslashes in string too.
293 (write_writer): Generated code must escape backslashes and quote
294 marks (but not newlines) in the strings it writes.
295 * Makefile.in (build/gencondmd.o): Update dependencies.
297 2006-01-26 Steve Ellcey <sje@cup.hp.com>
300 * Makefile.in (insn-automata.o): Add header file dependencies.
301 * genautomata.c: Add includes.
303 2006-01-26 Steve Ellcey <sje@cup.hp.com>
306 * Makefile.in (insn-automata.o): Add -Wno-error flag.
308 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
310 * configure.ac: Expect target tools paths to be passed from the toplevel
311 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
313 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
315 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
318 * c.opt (Wpointer-sign): Init to -1.
319 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
320 OPT_pedantic, to 0 otherwise.
321 * doc/invoke.texi: Update.
323 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
325 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
326 constants provided by 80387 instructions in the destination mode.
328 2006-01-26 Richard Guenther <rguenther@suse.de>
329 Andrew Pinski <pinskia@physics.uc.edu>
332 partial PR tree-opt/17064
333 * tree-ssa-structalias.c (intra_create_variable_infos):
334 Create heap variables for incoming parameters if
335 flag_argument_noalias > 1.
336 (find_what_p_points_to): Look through default defs of
339 2006-01-26 Jeff Law <law@redhat.com>
342 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
343 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
344 within the VR_RANGE, use the VR_RANGE as the result, not the
346 (adjust_range_with_scev): Reject ranges from SCEV which are out
347 of bounds for the type.
349 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
351 * tree-ssa-alias.c (maybe_create_global_var): Change
352 subvar walking to an assertion that we don't have subvar'd variables.
354 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
357 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
358 Use a new variable, inner. PARM_DECLs are always non-weak.
360 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
362 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
365 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
367 * config/mips/mips.md (*clear_upper32): New combiner pattern.
369 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
371 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
372 (smax_insn, smin_insn, smax_0, smin_0): New.
374 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
377 * config/cris/cris.c (cris_order_for_addsi3): New function.
378 * config/cris/cris-protos.h: Prototype it.
379 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
380 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
381 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
382 (split for "op.S1 [rx=rx+i],ry (swapped)")
383 (split for "op(s|u).S1 [rx=rx+i],ry")
384 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
385 Apply cris_order_for_addsi3 when generating addsi3 insns.
387 2006-01-25 Diego Novillo <dnovillo@redhat.com>
389 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
390 (TREE_BLOCK): Add call to EXPR_CHECK.
392 2006-01-25 Diego Novillo <dnovillo@redhat.com>
395 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
396 * tree-pretty-print.c (dump_omp_clause): Extract from ...
397 (dump_omp_clauses): ... here.
398 (dump_generic_node): Handle OMP_CLAUSE.
399 * tree.c (omp_clause_num_ops): New.
400 (omp_clause_code_name): New.
401 (tree_code_size): Handle OMP_CLAUSE.
402 (tree_size): Likewise.
403 (make_node): Document handling of OMP_CLAUSE.
404 (tree_node_structure): Handle OMP_CLAUSE.
405 (omp_clause_check_failed): New.
406 (omp_clause_range_check_failed): New.
407 (omp_clause_operand_check_failed): New.
408 (build_omp_clause): New.
409 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
410 * tree.h (enum omp_clause_code): Declare.
411 (OMP_CLAUSE_SUBCODE_CHECK): Define.
412 (OMP_CLAUSE_RANGE_CHECK): Define.
413 (OMP_CLAUSE_ELT_CHECK): Define.
414 (omp_clause_check_failed): Declare.
415 (omp_clause_operand_check_failed): Declare.
416 (omp_clause_range_check_failed): Declare.
417 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
418 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
419 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
420 (OMP_CLAUSE_LASTPRIVATE): Likewise.
421 (OMP_CLAUSE_IF_EXPR): Likewise.
422 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
423 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
424 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
425 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
426 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
427 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
428 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
429 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
430 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
431 (OMP_CLAUSE_CODE): Define.
432 (OMP_CLAUSE_SET_CODE): Define.
433 (OMP_CLAUSE_CODE): Define.
434 (OMP_CLAUSE_OPERAND): Define.
435 (struct tree_omp_clause): Declare.
436 (union tree_node): Add field 'omp_clause'.
437 * treestruct.def (TS_OMP_CLAUSE): Define.
438 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
439 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
440 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
441 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
442 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
443 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
444 (OMP_CLAUSE): Define.
445 * print-tree.c (print_node): Handle OMP_CLAUSE.
446 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
447 * c-typeck.c: Likewise.
448 * gimplify.c: Likewise.
450 * tree-nested.c: Likewise.
451 * tree-inline.c: Likewise.
452 * c-parser.c: Likewise.
453 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
456 2006-01-25 Roger Sayle <roger@eyesopen.com>
458 PR rtl-optimization/25703
459 * combine.c (try_combine): Handle zero_extract and strict_low_part
460 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
462 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
464 * global.c: Fix comment typos.
466 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
469 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
470 Use output_addr_const instead of assemble_name.
472 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
474 * Makefile.in (sched-vis.o): Update dependencies.
475 * haifa-sched.c (sched_finish): Clear current_sched_info.
476 * cfg.c (dump_bb_info): New, split from dump_flow_info.
477 (dump_flow_info): Call it.
478 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
480 * basic-block.h (dump_bb_info): Declare.
481 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
482 option, and apply options only for dump files whose TDF_RTL,
483 TDF_TREE, or TDF_IPA bits match.
484 * rtl.h: Declare new functions exported from sched-vis.c.
485 * sched-vis.c: Enable also if scheduling is not used.
486 (print_value): Print the mode of registers if not inside scheduling.
487 (print_insn): Make it work outside the scheduler. Beautify the output
489 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
491 2006-01-25 Richard Sandiford <richard@codesourcery.com>
493 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
494 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
495 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
496 depending on the value of CONSTANT_POOL_ADDRESS_P.
497 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
499 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
500 rather than SYMBOL_REF_DECL.
501 (rtx_constant_pool): Remove const_rtx_sym_htab.
502 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
503 (init_varasm_status): Don't initialize const_rtx_sym_htab.
504 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
505 Remove handling of const_rtx_sym_htab.
506 (find_pool_constant): Delete.
507 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
508 rather than find_pool_constant.
509 (get_pool_constant_for_function): Delete.
510 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
512 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
513 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
514 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
515 (SYMBOL_REF_CONSTANT): New macro.
516 (get_pool_constant_for_function): Delete.
517 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
518 rather than SYMBOL_REF_DECL.
519 (i386_pe_mark_dllimport): Likewise.
520 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
521 rather than SYMBOL_REF_DECL.
522 * config/darwin.c (machopic_indirect_data_reference): Likewise.
523 (machopic_indirect_call_target): Likewise.
525 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
527 * flow.c (delete_noop_moves): Add missing EOL to dump message.
529 2006-01-25 Richard Sandiford <richard@codesourcery.com>
531 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
533 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
535 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
537 2006-01-24 David Daney <ddaney@avtrex.com>
540 * configure.ac (enable_tls): New enable option.
541 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
542 * configure: Regenerate.
543 * doc/install.texi (--enable-tls): Document new option.
544 (--disable-tls): Ditto.
546 2006-01-24 Richard Henderson <rth@redehat.com>
548 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
549 * alias.c (true_dependence): Respect it.
550 (canon_true_dependence, write_dependence_p): Likewise.
551 * builtins.c (get_builtin_sync_mem): Set it.
553 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
555 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
558 2006-01-24 DJ Delorie <dj@redhat.com>
560 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
561 for storing constants in single-bit bitfields.
563 2006-01-25 Ben Elliston <bje@au.ibm.com>
565 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
567 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
570 * tree-ssa-pre.c (phi_translate): Return NULL
571 for AGGREGATE_TYPE's.
573 2006-01-24 Zack Weinberg <zackw@panix.com>
575 * genautomata.c (process_state_for_insn_equiv_partition):
576 Use xcalloc for insn_arcs_array.
577 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
578 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
580 2006-01-24 Richard Henderson <rth@redhat.com>
582 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
585 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
587 PR rtl-optimization/25890
588 PR rtl-optimization/25905
589 * combine.c (expand_compound_operation, expand_field_assignment):
590 Fail if the bitfield's final position is out of bounds.
592 2006-01-24 Ian Lance Taylor <ian@airs.com>
595 * cgraphunit.c (cgraph_output_in_order): Don't clear
596 cgraph_asm_nodes until after asm strings have been output.
598 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
600 * fix-header.c (read_scan_file): Add new parameter imultilib when
601 calling register_include_chains.
603 2006-01-23 Diego Novillo <dnovillo@redhat.com>
605 * omp-low.c: Update documentation.
607 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
608 Daniel Berlin <dberlin@dberlin.org>
612 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
613 return from the function.
615 2006-01-22 Zack Weinberg <zackw@panix.com>
617 * rtl.def (match_code): Add second argument.
618 * genpreds.c (write_extract_subexp): New function.
619 (write_match_code): Add path argument. Use write_extract_subexp.
620 (write_predicate_expr): Pass path to write_match_code.
621 (mark_mode_tests): MATCH_CODE applied to a subexpression does
622 not perform a mode test.
623 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
624 a subexpression does not constrain the top-level code set.
625 * read-rtl.c (read_rtx_variadic): New function.
626 (read_rtx_1): Use it; allow AND and IOR to be variadic.
627 * doc/md.texi: Document new notation.
628 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
629 (cmpsi_operand): ... here, using new notation.
631 2006-01-22 Zack Weinberg <zackw@panix.com>
633 * varray.c: Remove GENERATOR_FILE #ifdefs.
635 2006-01-22 Zack Weinberg <zackw@panix.com>
637 * genautomata.c (output_reserved_units_table): Emit nothing if
638 description->query_units_num is zero. Remove extra blank line.
639 (output_cpu_unit_reservation_p): Short circuit
640 if description->query_units_num is zero.
642 2006-01-22 Zack Weinberg <zackw@panix.com>
644 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
645 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
646 nor any of the random handful of variables that used to be necessary
647 when this program was linked with rtlanal.o. Prune set of forward
648 function declarations.
649 (struct attr_desc): Remove static_p field.
650 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
651 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
652 (attr_string): Do not read the character one past the length of
654 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
655 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
656 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
657 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
658 (make_automaton_attrs): New.
659 (main): Do not call into genautomata. Call local gen_bypass
660 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
661 Remove special case for insn_alts.
662 * genautomata.c: Include gensupport.h; not genattrtab.h nor
663 varray.h (leftover from previous change). Prune set of forward
664 function declarations. Remove state_alts fields from all
665 structures. Remove state_alts_table from struct automaton.
666 Make everything except main static. Do not maintain num_dfa_decls.
667 Do not maintain state_alts fields of various structures.
668 (process_decls): Don't validate condexp for dm_insn_reserv decls.
669 (add_arc): Remove state_alts argument. All callers updated.
670 (output_reserved_units_table): Emit #ifdef here...
671 (output_tables): ...not here. Don't generate state_alts tables.
672 (expand_automata): Don't generate attributes.
673 (write_automata): Don't generate state_alts functions.
674 (main): New function.
675 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
676 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
677 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
678 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
679 (BYPASS_P_FUNC_NAME, output_state_alts_table)
680 (output_automata_list_state_alts_code, output_internal_state_alts_func)
681 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
682 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
684 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
685 * genattrtab.h: Delete file.
686 * Makefile.in (OBJS-common): Add insn-automata.o.
687 (insn-automata.o): New rule.
688 (simple_generated_c): Add insn-automata.c.
689 (build/genattrtab.o, build/genautomata.o): Update dependencies.
690 (genprogmd): Add automata.
691 (build/genattrtab): Needs no extra objects nor libraries.
692 (build/genautomata): Needs build/vec.o and -lm.
694 2006-01-22 Zack Weinberg <zackw@panix.com>
696 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
697 (output_dfa_max_issue_rate, locked_states_num): Delete.
698 (struct automaton): Add locked_states field.
699 (output_dead_lock_vect): Save number of locked states in
700 automaton->locked_states. If it is zero, don't print anything.
701 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
702 (output_internal_dead_lock_func): Only test the dead_lock_vect
703 for automata that have locked states.
704 (output_statistics): Always print the number of locked states for
705 each automaton. Calculate total number of locked states here.
706 (write_automata): Don't call output_dfa_max_issue_rate.
707 * genattrtab.c: Define length_unit_log as a const variable.
708 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
709 max_insn_queue_index const.
710 * final.c (length_unit_log): Declare const.
711 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
713 2006-01-22 Zack Weinberg <zackw@panix.com>
715 * genautomata.c: Include vec.h, not varray.h.
716 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
717 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
718 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
719 VEC_* macros operating on appropriately typed vectors, or to
720 malloced arrays when the size is known in advance. Const-ify
721 many char* variables and function arguments. No functional changes.
722 * Makefile.in (build/varray.o): Delete rule.
723 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
724 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
726 2006-01-22 Zack Weinberg <zackw@panix.com>
728 * gensupport.c: Define get_insn_name and record_insn_name here.
729 (read_md_rtx): Call record_insn_name as appropriate.
730 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
731 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
732 * genpreds.c, genrecog.c: Don't define get_insn_name nor
734 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
735 (BUILD_VARRAY): Delete.
736 (genprognormal): Rename genprogmd. Fold in all programs from
737 genprognoprint; also attrtab.
738 (build/genattrtab): Just mention genautomata.o and varray.o.
739 Reorganize a bit, add comments to make the categories clearer.
741 2006-01-22 Zack Weinberg <zackw@panix.com>
743 * genconditions.c (condition_table, add_condition): Delete.
744 (write_conditions): Don't emit n_insn_conditions nor
745 insn_elision_unavailable. Issue the gcc version #ifdef here,
746 inside the table, with no #else clause ...
747 (write_header): ...not here.
748 (write_writer): New function.
749 (main): Don't initialize condition_table. Use add_c_test.
751 * gensupport.c (init_md_reader_args_cb): Handle multiple input
752 files on the command line.
753 (maybe_eval_c_test): Don't check insn_elision_unavailable.
754 Return -1 if there is no entry in the table, don't abort.
755 (add_c_test, traverse_c_tests): New functions.
756 * gensupport.h (insn_elision_unavailable, insn_conditions)
757 (n_insn_conditions): Delete declarations.
758 (add_c_test, traverse_c_tests): Declare.
759 * read-rtl.c: Include gensupport.h.
760 (read_conditions): New function.
761 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
762 (read_rtx_1): If we get EOF when we were looking for an initial
763 open paren, return 0. Call read_conditions when appropriate.
764 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
765 dummy-conditions.o. Eliminate references to insn-conditions.o,
766 or change them to build/gencondmd.o, as appropriate. Remove
767 insn-constants.h from $(simple_generated_h) and insn-conditions.c
768 from $(simple_generated_c). For all files remaining in those
769 two lists, add insn-conditions.md to the generator command line.
770 Give insn-constants.h/s-constants their own rules. Add rules
771 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
772 (build/read-rtl.o): Depend on gensupport.h.
773 (genprognormal): Include preds.
774 (genprogearly): Rename genprognoprint; only difference is now that
775 they don't link with $(BUILD_PRINT).
776 * dummy-conditions.c: Delete.
778 2006-01-22 Zack Weinberg <zackw@panix.com>
780 * genextract.c: Don't include insn-config.h. Do include vec.h.
781 Declare vectors of int, char, and locstr.
782 (locstr): New typedef.
783 (struct extraction): Make all array fields into bare pointers.
784 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
785 (insn_code_number): Delete.
786 (accum_extract): New struct.
787 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
788 (gen_insn): Take insn_code_number as an argument. Use an
789 accum_extract structure instead of loading data directly into
790 a struct extraction, and having to know how big it might get.
791 (walk_rtx): Operate entirely on an accum_extract structure.
792 (print_path): Avoid unnecessary use of printf.
793 (print_header): New function, split out of main. Distinguish
794 more carefully between an unrecognizable insn and an insn that
795 has the code number of a define_expand.
796 (main): Pass insn_code_number to gen_insn. Call print_header
797 only after parsing. Avoid unnecessary use of printf.
798 * Makefile.in (build/vec.o): New rule.
799 (build/genextract): Depend on build/vec.o.
800 (build/genextract.o): Don't depend on insn-config.h.
802 2006-01-22 Zack Weinberg <zackw@panix.com>
804 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
805 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
806 practical. Eliminate per-generator-program link rules.
808 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
811 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
812 with a call expr to ...
813 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
815 2006-01-23 Richard Guenther <rguenther@suse.de>
817 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
818 before make_edge with conditional EDGE_TRUE_VALUE.
820 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
821 Jan Hubicka <jh@suse.cz>
822 Richard Guenther <rguenther@suse.de>
824 PR rtl-optimization/25654
825 * cfgexpand.c (aggregate_contains_union_type): New function.
826 (add_alias_set_conflicts): Call it. Make sure to add conflicts
827 for structure variables that contain a union type.
829 2006-01-23 Richard Sandiford <richard@codesourcery.com>
831 * gengtype.c (new_structure): Return the structure.
832 (create_option): Add an extra "next" argument.
833 (create_field): New function.
834 (adjust_field_rtx_def): Use create_option and create_field.
835 Remove a now-unnecessary call to find_structure.
836 (adjust_field_tree_def): Likewise.
837 (note_yacc_type): Remove an unnecessary call to find_structure.
838 * gengtype.h (new_structure): Return the structure.
839 (create_option): Add an extra argument.
840 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
841 (option): Adjust calls to create_option.
843 2006-01-22 David Edelsohn <edelsohn@gnu.org>
845 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
847 2006-01-22 Paul Brook <paul@codesourcery.com>
848 Peter Barada <peter@the-baradas.com>
850 * config/m68k/m68k.md: Add Coldfire FPU support.
851 Define FP mode macro and associated attributes.
852 Use it for float mode patterns.
853 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
854 (LIBCALL_VALUE): Use m68k_libcall_value.
855 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
856 (m68k_function_value): Ditto.
857 (emit_move_sequence): Ditto.
858 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
859 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
860 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
861 (MULTILIB_EXCEPTIONS): Ditto.
862 * config/m68k/m68k.opt: Add mcfv4e.
863 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
864 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
865 (m68k_output_function_prologue): Save ColdFire FPU registers.
866 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
867 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
868 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
869 ColdFire FPU registers.
870 (m68k_libcall_value, m68k_function_value): New functions.
871 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
872 (LIBCALL_VALUE): Use m68k_libcall_value.
873 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
874 (MASK_COLDFIRE): Add MASK_CFV4E.
875 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
876 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
877 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
878 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
879 (GO_IF_LEGITIMATE_ADDRESS): Use it.
880 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
881 * doc/invoke.tex: Document -mcfv4e on m68k.
883 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
885 * doc/contribute.texi: Change CVS to SVN and update the corresponding
888 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
891 * c-opts.c (c_common_handle_option): Don't include
892 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
893 * doc/invoke.texi (C++ Dialect Options): Document that
894 -Wnon-virtual-dtor is no longer included in -Wall.
896 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
898 * gcov.c (print_version), gcov-dump.c (print_version),
899 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
902 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
904 * df-scan.c (problem_SCAN): Added NULL reset function.
905 (df_scan_reset_blocks): Added code to call reset block function
906 (df_bb_refs_delete) Fixed comment.
907 (df_insn_refs_delete): Made tolerant of deleting non existent info
908 for dataflow problems that need to be reset.
909 * df-core.c (df_set_blocks): Ditto.
910 * df.h (struct df_problem): Added reset_fun.
911 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
912 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
913 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
914 functions to clear out all references to def-use or use-def chains.
916 2006-01-21 Ben Elliston <bje@au.ibm.com>
918 * varasm.c (assemble_real): Initialise data array.
920 2006-01-20 Paul Brook <paul@codesourcery.com>
922 Merge from csl-arm-branch.
923 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
924 * config/arm/arm.md (movdi): Force operands[1] to a register
925 if we have a non-register source.
926 (*arm_movdi, *movdf_soft_insn): Require that one of the
927 operands be a register.
928 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
929 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
931 2006-01-20 DJ Delorie <dj@redhat.com>
933 * varasm.c (initialize_constant_valid_p): Allow pointers
934 initialized from integer constants of lesser precision.
935 (output_constant): Allow non-int-sized pointer modes to be
936 initialized from integer constants.
938 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
941 * cppdefault.h (struct default_include): Add multilib flag.
942 * cppdefault.c (cpp_include_defaults): Set it.
943 * c.opt (-imultilib): New option.
944 * c-opts.c (imultilib): New.
945 (c_common_handle_option): Handle -imultilib.
946 (c_common_post_options): Likewise.
947 * c-incpath.c (add_standard_paths, register_include_chains):
949 * c-incpath.h (register_include_chains): Add extra parameter.
950 * gcc.c (do_spec_1): Generate -imultilib option.
951 (The Specs Language): Update %I description.
952 (process_command): Update copyright notice.
953 * doc/cppopts.texi (-imultilib): Document.
954 * doc/invoke.texi (-imultilib): Include in option summary.
955 (%I): Update specs documentation.
957 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
959 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
961 2006-01-20 Richard Sandiford <richard@codesourcery.com>
963 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
966 2006-01-20 Richard Guenther <rguenther@suse.de>
967 Steven Bosscher <stevenb.gcc@gmail.com>
969 PR rtl-optimization/24626
970 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
971 EDGE_TRUE_VALUE if in RTL mode.
974 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
975 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
977 2006-01-20 Dirk Mueller <dmueller@suse.com>
980 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
981 instead of a special NOP marker.
982 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
984 * c-common.h (empty_body_warning): Add forward declaration.
985 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
986 Now uses IS_EMPTY_STMT() instead of special NOP markers.
988 2006-01-20 Paul Brook <paul@codesourcery.com>
990 * Makefile.in (lang_checks): Keep going if mkdir fails.
992 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
994 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
995 be able to clean out basic block when not necessary.
996 (df_scan_free): Fixed to properly delete information if df is
997 unused before calling df_finish.
998 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
999 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1001 (df_bb_refs_delete): New function.
1002 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1003 * df-core.c (df_set_blocks): Added code to properly clean out
1004 unused blocks if they are not part of the blocks to consider.
1005 Added additional null check.
1006 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1007 be able to clean out basic block when not necessary
1008 * df.h (df_free_bb_function): Ditto.
1009 (df_bb_refs_delete): New function.
1010 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1011 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1012 basic block parameter to be able to clean out basic block when not
1014 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1015 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1016 Fixed to properly delete information if df is unused before
1019 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1021 PR rtl-optimization/25799
1022 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1023 Corrected confluence operator to remove bits from op2 before oring
1024 with op1 rather than removing bits from op1.
1025 (df_ru_transfer_function): Corrected test on wrong bitmap which
1026 caused infinite loop. Both of these problems were introduced in
1027 the dataflow rewrite.
1029 2006-01-19 DJ Delorie <dj@redhat.com>
1031 * reload1.c (find_reload_regs): Note the details of reload
1032 failures in the dump file.
1033 (spill_failure): Likewise.
1035 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1037 * loop-iv.c: Include df.h and hashtab.h.
1038 (enum iv_grd_result): New enum.
1039 (DF_REF_IV, DF_REF_IV_SET): New macros.
1040 (struct biv_entry): New.
1041 (df, bivs): New global variables.
1042 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1043 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1045 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1046 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1047 analyzed_for_bivness_p, record_biv): New functions.
1048 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1049 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1050 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1052 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1054 (iv_number_of_iterations): Use new interface to iv analysis.
1055 * loop-unroll.c: Do not include varray.h.
1056 (analyze_iv_to_split_insn): Use new interface to iv
1058 * loop-unswitch.c (may_unswitch_on): Ditto.
1059 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1061 (df_bb_modify): Realloc tables to the new index.
1062 (df_find_use): New function.
1063 * df.h (df_find_use): Declare.
1064 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1066 * cfgloop.h (struct rtx_iv): Remove analysed field.
1067 (iv_get_reaching_def): Removed.
1068 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1069 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1070 (loop-iv.o): Add df.h and hashtab.h dependency.
1071 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1073 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1075 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1077 (__floatundisf, __floatundidf): Likewise.
1078 * libgcc2.h (IS_IBM_EXTENDED): Define.
1080 2006-01-19 DJ Delorie <dj@redhat.com>
1082 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1084 2006-01-19 Paul Brook <paul@codesourcery.com>
1086 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1087 as nothrow when unwinding tables are disabled.
1089 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1092 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1093 of bit-field" when in system header.
1095 2006-01-19 DJ Delorie <dj@redhat.com>
1097 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1098 the 16 bit shift limit of the m16c.
1100 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1103 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1104 * config/i386/i386.c (output_set_got): Output the label if we have one
1105 for the TARGET_DEEP_BRANCH_PREDICTION case.
1107 2006-01-19 Jan Hubicka <jh@suse.cz>
1108 H.J. Lu <hongjiu.lu@intel.com>
1109 Evandro Menezes <evandro.menezes@amd.com>
1111 * invoke.texi (generic): Document
1113 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1114 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1115 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1116 (x86_use_incdec, x86_pad_returns): New variables
1117 (TARGET_CPU_DEFAULT_generic): New constant
1118 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1119 (enum processor_type): Add generic32 and generic64.
1120 * i386.md (cpu attribute): Add generic32/generic64
1121 (movhi splitter): Behave sanely when both partial_reg_dependency and
1122 partial_reg_stall are set.
1123 (K8 splitters): Enable for generic as well.
1124 * predicates.md (incdec_operand): Use TARGET_INCDEC
1125 (aligned_operand): Avoid memory mismatch stalls.
1126 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1127 * ppro.md: Enable for generic32
1128 * i386.c (generic64_cost, generic32_cost): New.
1129 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1130 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1131 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1132 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1133 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1134 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1135 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1136 x86_accumulate_outgoing_args, x86_prologue_using_move,
1137 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1138 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1140 (x86_use_incdec, x86_pad_returns): New.
1141 (override_options): Add generic32 and generic64, translate "generic"
1142 to generic32/generic64 and "i686" to "generic32", refuse
1143 "generic32"/"generic64" as arch target.
1144 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1145 (ix86_reorg): Honor PAD_RETURNS.
1147 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1149 * tree-pretty-print.c (dump_generic_node): Handle
1150 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1151 * cgraph.c (cgraph_expand_queue): Rename from
1152 cgraph_analyze_queue. Update all users.
1153 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1154 cgraph_expand_queue.
1155 (cgraph_expand_all_functions): Likewise.
1156 (cgraph_finalize_pending_functions): Remove. Update callers.
1158 * tree.h (OMP_DIRECTIVE_P): Define.
1159 (OMP_PARALLEL_FN): Define.
1160 (OMP_PARALLEL_DATA_ARG): Define.
1161 (OMP_SECTIONS_SECTIONS): Define.
1162 * tree-pass.h (pass_expand_omp): Declare.
1163 * omp-low.c (struct omp_region): Declare.
1164 (struct omp_context): Remove fields 'parallel_type',
1165 'parallel_start_ix' and 'parallel_start_additional_args'.
1167 (struct omp_for_data): Rename from struct expand_omp_for_data.
1168 (omp_regions): New static variable.
1169 (root_omp_region): New static variable.
1170 (find_omp_clause): Make static.
1171 (is_in_combined_parallel_ctx): Remove.
1172 (is_combined_parallel): New.
1173 (extract_omp_for_data): Move earlier in the file.
1174 (workshare_safe_to_combine_p): New.
1175 (get_ws_args_for): New.
1176 (determine_parallel_type): Move earlier in the file.
1177 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1179 (omp_copy_decl): Likewise.
1180 (create_omp_child_function): Likewise.
1181 (lookup_omp_region): New.
1182 (dump_omp_region): New.
1183 (debug_omp_region): New.
1184 (debug_all_omp_regions): New.
1185 (new_omp_region): New.
1186 (scan_omp_parallel): If parallel_nesting_level > 1, the
1187 directive is nested within another parallel directive.
1188 Set OMP_PARALLEL_FN.
1189 (scan_omp_for): Do not try to handle combined parallel+for
1191 Remove FIXME comment.
1192 (scan_omp_nested): Remove.
1193 (scan_omp_1): Do not call scan_omp_nested when
1194 parallel_nesting_level is > 1.
1195 Do not change the DECL_CONTEXT of local variables found.
1196 (lookup_decl_in_outer_ctx): New.
1197 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1198 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1199 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1200 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1201 If CTX is nested, lookup VAR in the outer context when
1202 building copy assignment.
1203 (lower_send_clauses): Rename from expand_send_clauses.
1204 If CTX is nested, lookup VAR in the outer context when
1205 building copy assignments.
1206 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1207 If CTX is nested, lookup VAR in the outer context when
1208 building copy assignments.
1209 (expand_parallel_call): Rename from build_parallel_call.
1210 Handle combined parallel+workshare cases.
1211 Re-implement to emit code into the CFG.
1213 (expand_omp_parallel): Re-implement to emit code into the CFG.
1214 Call move_sese_region_to_fn to outline the sub-graph
1215 containing the parallel region.
1216 (expand_omp_for_1): Remove.
1217 (expand_omp_for_generic): Re-implement to emit code into the
1219 (expand_omp_for_static_nochunk): Likewise.
1220 (expand_omp_for_static_chunk): Likewise.
1221 (expand_omp_for): Likewise.
1222 (expand_omp_sections): Likewise.
1223 (remove_exit_barriers): New.
1224 (expand_omp_synch): New.
1226 (build_omp_regions_1): New.
1227 (build_omp_regions): New.
1228 (execute_expand_omp): New.
1229 (gate_expand_omp): New.
1230 (pass_expand_omp): Define.
1231 (lower_omp_sections): Rename from expand_omp_sections.
1232 Set OMP_SECTIONS_SECTIONS.
1233 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1234 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1235 (lower_omp_single): Rename from expand_omp_simple.
1236 (lower_omp_master): Rename from expand_omp_master.
1237 (lower_omp_ordered): Rename from expand_omp_ordered.
1238 (lower_omp_critical): Rename from expand_omp_critical.
1239 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1240 (lower_omp_for): Re-implement.
1241 (lower_omp_parallel): Re-implement.
1242 (lower_regimplify): Rename from expand_regimplify.
1243 (lower_omp_1): Rename from expand_omp_1.
1244 If there are syntax errors in the program, replace every
1245 OpenMP directive with NOP.
1246 Call lower_omp_* instead of expand_omp_*.
1247 (lower_omp): Rename from expand_omp.
1249 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1250 * tree-gimple.h (enum omp_parallel_type): Remove.
1251 (gimple_boolify): Declare extern.
1252 (find_omp_clause, determine_parallel_type): Remove.
1254 * gimple-low.c (lower_omp_directive): New.
1255 (lower_stmt): Call it.
1256 (record_vars_into): Move from ...
1257 (record_vars): ... here.
1258 Call record_vars_into with current_function_decl.
1260 * gimplify.c (struct gimplify_ctx): Remove fields
1261 combined_pre_p and combined_ctxp. Update users.
1262 (get_formal_tmp_var): Add documentation.
1263 (gimple_boolify): Make extern.
1264 (gimplify_expr_in_ctx): Remove. Update callers.
1265 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1266 will always be a BIND_EXPR.
1267 (gimplify_expr): Handle OMP_RETURN_EXPR.
1268 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1269 (OMP_PARALLEL): Add 3 operands.
1270 (OMP_SECTIONS): Add 1 operand.
1271 (OMP_RETURN_EXPR): Define.
1273 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1274 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1275 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1276 creating a circular free list.
1277 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1279 * tree-flow.h (move_sese_region_to_fn): Declare.
1280 (record_vars_into): Declare.
1281 * tree-cfg.c (make_omp_sections_edges): New.
1282 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1283 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1284 OMP_SECTIONS and OMP_SECTION.
1285 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1286 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1287 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1288 (gather_blocks_in_sese_region): New.
1289 (struct move_stmt_d): Declare.
1291 (move_block_to_fn): New.
1292 (move_sese_region_to_fn): New.
1294 * passes.c (init_optimization_passes): Schedule
1295 pass_expand_omp after pass_init_datastructures.
1297 * tree-ssa-operands.c (get_expr_operands): Handle
1298 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1299 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1301 2006-01-19 Jeff Law <law@redhat.com>
1303 * tree-vrp.c (extract_range_from_assert): Refine the result range
1304 if the variable referenced by the ASSERT_EXPR has a range and
1305 either the tentative result range or the previous range is a
1308 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1310 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1312 2006-01-19 Jan Hubicka <jh@suse.cz>
1314 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1316 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1318 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1319 (expand_compound_operation, expand_field_assignment): Fail if the
1320 bit lengths of an extract operation are out of range.
1321 (make_extraction): Compute wanted_inner_mode based on the position
1322 and length of the extraction. Make it extraction_mode for non-constant
1323 positions, and do not modify offset in that case. When generating a
1324 new MEM, use a mode that can hold the extraction while keeping correct
1325 alignment. Remove code that supported MEMs wrapped by USEs.
1326 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1328 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1330 * config/s390/s390.md ("Y", "y"): New mode attribute.
1331 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1332 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1333 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1334 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1335 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1336 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1337 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1338 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1339 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1340 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1341 "addsi3", "subsi3"): Insn patterns removed.
1342 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1343 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1344 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1345 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1346 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1347 "*sub<mode>3_cconly2"): New insn patterns.
1348 ("addsi3", "subsi3"): New expanders.
1350 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1352 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1353 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1354 existing STMT_VINFO_VECTYPE if available.
1355 (vect_mark_relevant): Add special handling for stmts that are
1356 marked as STMT_VINFO_IN_PATTERN_P.
1357 (vect_analyze_loop): Call vect_pattern_recog.
1358 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1359 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1361 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1362 (vect_recog_func_ptr): New function-pointer type.
1363 * tree-vect-patterns.c: New file.
1364 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1365 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1366 (vect_pattern_recog_1): New functions.
1367 (vect_pattern_recog_funcs): New array of function pointers.
1369 * tree-vectorizer.h (ternary_op): New enum value.
1370 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1371 declaration. Revised documentation. Removed redundant dump prints.
1372 Removed redundant argument. Added support for reduction patterns.
1373 (vectorizable_reduction): Added support for reduction patterns.
1374 (vect_transform_stmt): Added support for patterns.
1376 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1377 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1378 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1379 (expand_widen_pattern_expr): New function.
1380 (init_optabs): Initialize new optabs udot_prod_optab,
1382 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1383 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1384 (expand_widen_pattern_expr): New function declaration.
1385 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1387 * tree-inline.c (estimate_num_insns_1): Added cases for new
1388 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1389 * tree-pretty-print.c (dump_generic_node): Likewise.
1390 (op_prio): Likewise.
1391 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1392 * tree-ssa-operands.c (get_expr_operands): Added case for
1394 * tree-vect-patterns.c (widened_name_p): New function.
1395 (vect_recog_dot_prod_pattern): Added function implementation.
1396 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1397 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1398 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1399 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1401 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1402 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1403 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1404 (init_optabs): Initialize new optabs widen_ssum_optab,
1406 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1407 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1408 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1409 use instead of type of def.
1410 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1411 function implementation.
1412 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1413 widen_ssumv8hi): New.
1415 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1418 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1421 * c-decl.c (add_flexible_array_elts_to_size): New function.
1422 (finish_decl): Use it.
1424 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1426 * diagnostic.h: Include options.h.
1427 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1428 dependancies for diagnostic.h.
1429 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1431 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1433 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1434 (ssa_ro_call_cache_valid): Ditto.
1435 * tree-ssa-alias.c (sort_tags_by_id): New function.
1436 (init_transitive_clobber_worklist): Ditto.
1437 (add_to_worklist): Ditto.
1438 (mark_aliases_call_clobbered): Ditto.
1439 (compute_tag_properties): Ditto.
1440 (set_initial_properties): Ditto.
1441 (compute_call_clobbered): Ditto.
1442 (compute_may_aliases): Call compute_call_clobbered and grouping.
1443 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1444 (compute_flow_insensitive_aliasing): Grouping now happens in our
1446 (setup_pointers_and_addressables): Remove clobbering related code.
1447 (add_may_alias): Ditto.
1448 (replace_may_alias): Ditto.
1449 (get_nmt_for): Ditto.
1450 (create_global_var):
1451 (is_escape_site): Return an escape_type enumeration.
1452 * tree-flow-inline.h (is_call_clobbered): Global var does not
1453 imply call clobbered.
1454 (mark_call_clobbered): Take a reason for marking this. Remove
1455 marking of globalness, and cache invalidation.
1456 (clear_call_clobbered): Remove cache invalidation code.
1457 * tree-dfa.c (dump_variable): If details is on, dump the reason
1459 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1461 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1462 (struct var_ann_d): Ditto.
1463 (enum escape_type): New.
1464 (mark_call_clobbered): Adjust prototype.
1465 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1466 are never call clobbered.
1467 Record reasons for escaping.
1468 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1469 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1470 (ssa_ro_call_cache_valid): Ditto.
1471 (clobbered_v_may_defs): Ditto.
1472 (clobbered_vuses): Ditto.
1473 (ro_call_vuses): Ditto.
1474 (clobber_stats): New.
1475 (init_ssa_operands): Zero out clobber stats.
1476 (fini_ssa_operands): Print out clobber stats.
1477 (get_call_expr_operands): Pass callee fndecl to
1479 (add_call_clobber_ops): Remove use of cache.
1480 Add use of PURE_CONST information.
1481 (add_call_read_ops): Remove use of cache.
1482 Add use of static not_read information.
1484 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1486 Introduce TLS descriptors for i386 and x86_64.
1487 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1488 (TARGET_ANY_GNU_TLS): New macro.
1489 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1490 (struct machine_function): Add tls_descriptor_call_expanded_p.
1491 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1492 (ix86_current_function_calls_tls_descriptor): Likewise.
1493 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1494 (override_options): Introduce gnu2 tls dialect.
1495 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1497 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1499 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1500 (ix86_init_machine_status): Initialize new field.
1501 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1502 (ix86_tls_module_base): New.
1503 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1504 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1505 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1506 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1507 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1508 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1509 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1510 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1511 * config/i386/predicates.md (tls_modbase_operand): New.
1512 (tp_or_register_operand): New.
1514 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1516 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1517 (look_for_address_of): Ditto.
1518 (ipa_init): Walk the function decls.
1519 (static_execute): Don't set readonly on FUNCTION_DECL's.
1521 2006-01-18 Roger Sayle <roger@eyesopen.com>
1523 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1524 for shifts where the source and destination registers are different.
1526 2006-01-18 Paul Brook <paul@codesourcery.com>
1528 Merge from csl-arm-branch.
1529 2005-03-14 Julian Brown <julian@codesourcery.com>
1530 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1531 (aeabi_llsl): Likewise.
1532 (ashrdi3): Likewise.
1533 (aeabi_lasr): Likewise.
1534 (lshrdi3): Likewise.
1535 (aeabi_llsr): Likewise.
1536 2005-03-10 Julian Brown <julian@codesourcery.com>
1537 * config.gcc: Disable shared libgcc for SymbianOS.
1538 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1540 2006-01-18 DJ Delorie <dj@redhat.com>
1542 * c-pragma.c (handle_pragma_diagnostic): New.
1543 (init_pragma): Register it.
1544 * doc/extend.texi: Document it.
1546 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1547 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1548 (diagnostic_context): Add classify_diagnostic[].
1549 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1550 as errors if they're overridden to DK_WARNING.
1551 (diagnostic_initialize): Initialize classify_diagnostic[].
1552 (diagnostic_set_kind_override): New.
1553 (diagnostic_report_diagnostic): Check for kind changes.
1554 * opts.c (common_handle_option): Take lang_mask. Update callers.
1556 * common.opt (Werror=): New.
1557 * doc/invoke.texi: Document -Werror=*
1559 2006-01-18 Jeff Law <law@redhat.com>
1561 * tree-vrp.c (test_for_singularity): Correct test for new
1562 min limit. Use operand_equal_p rather than pointer equality
1563 for testing if new min/max values are equal.
1565 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1566 using range information until after propagation and folding.
1568 2006-01-18 Richard Henderson <rth@redhat.com>
1569 Aldy Hernandez <aldyh@redhat.com>
1570 Jakub Jelinek <jakub@redhat.com>
1571 Diego Novillo <dnovillo@redhat.com>
1573 * omp-low.c: New file.
1574 * c-omp.c: New file.
1576 2006-01-18 Richard Henderson <rth@redhat.com>
1577 Jakub Jelinek <jakub@redhat.com>
1578 Diego Novillo <dnovillo@redhat.com>
1580 * doc/invoke.texi: Document -fopenmp.
1581 * tree-dump.h (debug_function): Declare.
1582 * hooks.c (hook_bool_tree_bool_false): New function.
1583 (hook_tree_tree_null): Remove.
1584 (hook_tree_tree_tree_null): New.
1585 * hooks.h: Update to match.
1586 * tree-pretty-print.c (debug_tree_chain): New.
1587 (print_generic_expr): Handle TDF_CHAIN.
1588 (dump_generic_node): Handle BLOCK.
1589 Do not abort with incomplete SWITCH_EXPRs.
1590 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1591 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1592 print space after directive name.
1593 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1594 Handle OMP_MASTER and OMP_ORDERED.
1595 Handle printing of OMP_BODY just in one place, goto
1596 dump_omp_body in the rest of OMP_* nodes that have
1598 Don't handle clause nodes here. Update omp statements to
1599 use dump_omp_clauses.
1600 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1601 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1602 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1603 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1604 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1605 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1606 Adjust output for GOMP_PARALLEL.
1607 (dump_omp_clauses): New.
1608 (print_declaration): Dump DECL_VALUE_EXPR.
1609 (op_symbol_1): Split out of op_symbol.
1610 (dumping_stmts): Remove. Update all users.
1611 * cgraph.c (cgraph_analyze_queue): New.
1612 (cgraph_add_new_function): New.
1613 * cgraph.h (cgraph_analyze_queue): Declare.
1614 (cgraph_add_new_function): Declare.
1615 (cgraph_lower_function): Remove.
1616 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1617 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1618 and TYPE_P nodes in its default clause.
1619 (empty_body_p): New.
1620 (tree_range_check_failed): New.
1622 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1623 OMP_CLAUSE_REDUCTION_MERGE,
1624 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1625 OMP_CLAUSE_PRIVATE_DEBUG,
1626 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1627 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1628 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1629 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1630 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1631 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1632 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1633 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1634 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1635 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1636 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1637 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1638 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1639 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1640 (TREE_RANGE_CHECK): New.
1641 (empty_body_p): Declare.
1642 (enum omp_clause_default_kind): New.
1643 (build_string_literal): Declare.
1644 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1645 (build5_stat, build5): Declare.
1646 * tree-pass.h (TDF_CHAIN): Define.
1647 * tree-pass.h (PROP_gimple_lomp): Define.
1648 (pass_lower_omp): Declare.
1649 * diagnostic.h (debug_tree_chain): Declare.
1650 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1652 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1653 * builtins.c (build_string_literal): Make extern.
1654 * gcc.c (include_spec_function): New.
1655 (static_spec_functions): Add it.
1656 (main): Move load of libgomp.spec ...
1657 (LINK_COMMAND_SPEC): ... here.
1658 (link_gomp_spec): New.
1659 (static_specs): Include it.
1660 (LINK_COMMAND_SPEC): Add link_gomp.
1661 (GOMP_SELF_SPECS): New.
1662 (driver_self_specs): Include it.
1663 (switch_matches): Don't mark inline.
1664 (main): Load libgomp.spec.
1665 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1666 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1667 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1668 * tree-gimple.h (enum omp_parallel): Declare.
1669 (determine_parallel_type): Declare.
1670 (omp_firstprivatize_variable): Declare.
1671 (omp_reduction_init): Declare.
1672 (diagnose_omp_structured_block_errors): Declare.
1673 (struct walk_stmt_info): Add want_return_expr.
1674 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1675 (find_omp_clause): Declare.
1676 (insert_field_into_struct): Declare.
1677 (struct walk_stmt_info): Move from tree-nested.c
1678 (walk_stmts): Declare.
1679 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1681 * cgraphunit.c (cgraph_lower_function): Make static.
1682 (cgraph_finalize_pending_functions): New.
1683 (cgraph_finalize_function): Call it.
1684 (cgraph_finalize_compilation_unit): Likewise.
1685 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1686 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1687 (BT_FN_UINT_UINT): New.
1688 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1689 DEF_FUNCTION_TYPE_VAR_4): Document.
1690 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1691 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1692 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1693 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1694 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1695 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1696 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1697 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1698 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1699 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1700 into separate files.
1701 (DEF_GOMP_BUILTIN): New.
1702 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1703 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1704 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1705 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1706 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1707 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1708 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1709 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1710 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1711 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1712 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1713 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1714 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1715 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1716 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1717 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1718 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1719 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1720 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1721 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1722 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1723 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1724 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1725 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1726 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1727 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1728 * sync-builtins.def: New file, moved from builtins.def.
1729 * omp-builtins.def: New file, moved from builtins.def.
1730 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1731 * gimple-low.c (lower_function_body): Clear data.
1732 (lower_stmt): Do not handle COMPOUND_EXPR.
1733 Remove call to print_node_brief.
1734 * c-tree.h (c_finish_omp_clauses): New prototype.
1735 (C_DECL_THREADPRIVATE_P): Define.
1736 (lookup_name_no_remap, c_omp_remap_private): Remove
1737 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1738 (check_for_loop_decls): Update decl.
1739 (lookup_name_no_remap, c_omp_remap_private): Declare.
1740 (build_indirect_ref, build_modify_expr, pushdecl,
1741 pushdecl_top_level): Move to c-common.h.
1742 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1743 before the switch, but just in the 2 places that need it.
1744 * c-decl.c (diagnose_mismatched_decls): Do not check for
1745 mismatched thread-local attributes when OLDDECL is marked
1746 threadprivate and NEWDECL has no thread-local attributes.
1747 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1748 (c_gimple_diagnostics_recursively): Rename from
1749 c_warn_unused_result_recursively. Invoke
1750 diagnose_omp_structured_block_errors.
1751 (check_for_loop_decls): Return a singular decl found.
1752 * langhooks.c (lhd_omp_predetermined_sharing): Return
1753 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1754 (lhd_omp_firstprivatize_type_sizes): New.
1755 (lhd_omp_assignment): New.
1756 (lhd_omp_predetermined_sharing): New.
1757 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1758 (struct lang_hooks_for_types): Add
1759 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1760 omp_predetermined_sharing, omp_disregard_value_expr,
1761 omp_private_debug_clause, omp_clause_default_ctor,
1762 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1763 (c_finish_omp_clauses): New.
1764 (c_finish_bc_stmt): Diagnose break within omp for.
1765 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1766 (build_unary_op): Return error_mark after reporting
1768 (build_modify_expr): Likewise.
1769 * gimplify.c: Include optabs.h and pointer-set.h.
1770 (enum gimplify_omp_var_data): Declare.
1771 (struct gimplify_omp_ctx): Declare.
1772 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1774 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1775 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1776 (splay_tree_compare_decl_uid): New.
1777 (new_omp_context): New.
1778 (delete_omp_context): New.
1779 (gimple_add_tmp_var): Call omp_add_variable.
1780 (gimplify_bind_expr): Likewise.
1781 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1782 true, disregard DECL_VALUE_EXPR on the decl if any.
1783 (gimplify_expr_in_ctx): New.
1784 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1785 omp_add_variable, omp_notice_variable, omp_is_private
1786 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1787 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1788 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1789 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1790 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1791 gimplify_omp_atomic): New.
1792 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1793 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1794 OMP_CRITICAL and OMP_ATOMIC.
1795 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1796 * c-pragma.h (enum pragma_kind): Add
1797 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1798 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1799 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1800 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1801 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1802 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1803 PRAGMA_OMP_THREADPRIVATE.
1804 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1805 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1806 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1807 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1808 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1809 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1810 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1811 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1812 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1813 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1814 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1815 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1816 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1818 (struct nesting_info): Add field_map,
1819 suppress_expansion, debug_var_chain.
1820 (create_nesting_tree): Initialize them.
1821 (lookup_field_for_decl): Use field_map.
1822 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1823 (convert_local_omp_clauses): New.
1824 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1825 (walk_body): Split out of walk_function.
1826 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1827 (convert_nonlocal_reference): Handle omp statements.
1828 (convert_local_reference): Likewise.
1829 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1830 (unnest_nesting_tree): New.
1831 (lower_nested_functions): Call it.
1832 (insert_field_into_struct): Make extern.
1833 (struct walk_stmt_info): Move to tree-gimple.h.
1834 (walk_stmts): Make extern.
1835 * omp-builtins.def: New file.
1836 * tree-iterator.c (expr_only): Clarify comment.
1837 * c-common.h (pushdecl_top_level, pushdecl,
1838 build_modify_expr, build_indirect_ref,
1839 c_finish_omp_master, c_finish_omp_critical,
1840 c_finish_omp_ordered, c_finish_omp_barrier,
1841 c_finish_omp_atomic, c_finish_omp_flush,
1842 c_finish_omp_for, c_split_parallel_clauses,
1843 omp_clause_default_kind, c_omp_sharing_predetermined,
1844 c_omp_remap_decl): Declare.
1845 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1846 (OBJS-common): Add omp-low.o.
1847 (c-omp.o, omp-low.o): Add.
1848 (gimplify.o): Add dependency on $(OPTABS_H).
1849 (GTFILES): Add omp-low.c.
1850 (gt-stringpool.h): Add.
1851 * tree-cfg.c (set_bb_for_stmt): Do not update the
1852 block-to-labels map if we are currently expanding to RTL.
1853 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1855 Handle IDENTIFIER_NODE.
1856 (tree_verify_flow_info): Do not ICE when emitting error
1857 messages about invalid labels.
1858 (dump_function_to_file): Reset CFUN before emitting the body
1860 (debug_function): New.
1861 * passes.c (init_optimization_passes): Schedule
1863 * langhooks-def.h (lhd_omp_predetermined_sharing,
1864 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1866 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1867 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1868 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1869 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1870 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1871 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1872 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1873 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1874 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1875 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1876 (LANG_HOOK_DECLS): Use them.
1878 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1879 Richard Henderson <rth@redhat.com>
1880 Jakub Jelinek <jakub@redhat.com>
1881 Diego Novillo <dnovillo@redhat.com>
1883 * c-parser.c (pragma_omp_clause): Define.
1884 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1885 (c_parser_compound_statement): Likewise.
1886 (c_parser_statement): Likewise.
1887 (c_parser_pragma): Handle omp pragmas.
1888 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1889 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1890 (c_parser_omp_clause_name, check_no_duplicate_clause,
1891 c_parser_omp_variable_list,
1892 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1893 c_parser_omp_clause_copyprivate,
1894 c_parser_omp_clause_default,
1895 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1896 c_parser_omp_clause_lastprivate,
1897 c_parser_omp_clause_nowait,
1898 c_parser_omp_clause_num_threads,
1899 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1900 c_parser_omp_clause_reduction,
1901 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1902 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1903 c_parser_omp_atomic, c_parser_omp_barrier,
1904 c_parser_omp_critical, c_parser_omp_flush,
1905 c_parser_omp_for_loop, c_parser_omp_for,
1906 c_parser_omp_master, c_parser_omp_ordered,
1907 c_parser_omp_sections_scope, c_parser_omp_sections,
1908 c_parser_omp_parallel, c_parser_omp_single,
1909 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1910 * c-pragma.c (init_pragma): Do omp pragma registration here.
1911 * c.opt (fopenmp): New flag.
1913 2006-01-18 Eric Christopher <echristo@apple.com>
1915 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1916 * config/darwin.h (GOMP_SELF_SPECS): Define.
1918 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1920 * rtl.h: Remove the prototype for reg_alloc.
1922 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1925 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1926 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1927 sjlj and dwarf2 exception handling.
1928 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1929 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1930 * pa/pa.c (function_value): Treat complex and vector types as
1932 (function_arg): Likewise. Only pass scalar floats in the floating
1933 point argument registers.
1934 * pa/t-slibgcc-dwarf-ver: New file.
1935 * pa/t-slibgcc-sjlj-ver: New file.
1936 * pa/t-slibgcc-elf-ver: Delete file.
1938 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1940 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1941 unlikely_test_section_p test.
1943 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1945 * mode-switching.c (optimize_mode_switching): Make it static.
1946 * basic-block.h: Remove the prototype for
1947 optimize_mode_switching.
1949 * modulo-sched.c (sms_schedule): Make it static.
1950 * rtl.h: Remove the prototype for sms_schedule.
1952 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1953 * rtl.h: Remove the prototype for gcse_after_reload_main.
1955 * reg-stack.c (reg_to_stack): Make it static.
1956 * rtl.h: Remove the prototype for reg_to_stack.
1958 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1960 * rtl.h: Remove the prototypes for regrename_optimize and
1961 copyprop_hardreg_forward.
1963 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1965 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1966 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1967 Test against the appropriate null constant for the mode.
1968 If 'fixup_overlap' is true, swap the operands if they overlap.
1969 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1970 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1971 alpha_split_tmode_pair and adjust for above change.
1972 * config/alpha/alpha.md (movtf_internal): Adjust call to
1973 alpha_split_tfmode_pair and rely on it to swap the operands.
1974 (movti_internal): New insn and post-reload splitter.
1975 (movti): New expander.
1977 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1979 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1982 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1984 * rtlanal.c (global_reg_mentioned_p_1,
1985 global_reg_mentioned_p): Remove.
1986 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1988 * flow.c (initialize_uninitialized_subregs): Make it static.
1989 * rtl.h: Remove the prototype for
1990 initialize_uninitialized_subregs.
1992 * function.c (instantiate_virtual_regs): Make it static.
1993 * function.h: Remove the prototype for
1994 instantiate_virtual_regs.
1996 * regmove.c (regmove_optimize, combine_stack_adjustments):
1998 * rtl.h: Remove the prototypes for regmove_optimize and
1999 combine_stack_adjustments.
2001 2006-01-17 Roger Sayle <roger@eyesopen.com>
2003 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2004 (size_cost): Encode costs in bytes so that a reg-reg addition is
2005 equivalent to COSTS_N_INSNS(1).
2006 (override_options): Use the size_cost.branch_cost as the default
2007 ix86_branch_cost when optimizing for size.
2009 2006-01-18 Ben Elliston <bje@au.ibm.com>
2011 * Makefile.in (D32PBIT_FUNCS): New.
2012 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2013 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2014 D64PBIT_FUNCS and D128PBIT_FUNCS.
2015 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2016 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2018 (decnumber_dep): Define.
2019 * doc/libgcc.texi (Decimal float library routines): New node.
2020 * config/dfp-bit.h, config/dfp-bit.c: New files.
2022 2006-01-18 Ben Elliston <bje@au.ibm.com>
2024 * expr.c (emit_move_change_mode): Always adjust addresses, not
2025 just during reload. Copy replacements only during reload.
2026 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2027 emit_move_via_integer.
2029 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2031 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2032 instead of $(srcdir) and ${srcdir}.
2034 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2038 * arm.h (struct machine_function): Add pic_reg.
2039 * arm.c (arm_pic_register): Make unsigned.
2040 (arm_override_options): Only set arm_pic_register if
2041 TARGET_SINGLE_PIC_BASE.
2042 (use_return_insn): Only test for a pic register if it is fixed.
2043 (arm_compute_save_reg0_reg12_mask): Likewise.
2044 (thumb_compute_save_reg_mask): Likewise.
2045 (legitimate_pic_operand): Factor out some known invariants.
2046 (legitimize_pic_address): If we don't have a fixed pic register,
2047 then set up a pseudo in the function entry sequence. Handle the
2048 pic base being in a pseudo.
2049 (arm_load_pic_register): Handle the pic register being in a pseudo.
2050 (arm_expand_prologue): Only set up the pic register if it is fixed.
2051 (thumb_expand_prologue): Likewise.
2052 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2053 (pic_load_addr_based_insn): Likewise.
2054 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2057 2006-01-18 Ben Elliston <bje@au.ibm.com>
2059 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2060 decimal float modes for all floating point registers.
2062 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2063 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2065 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2068 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2069 even when the pointer is not NULL.
2071 2006-01-16 Ian Lance Taylor <ian@airs.com>
2073 * common.opt (ftoplevel-reorder): New option.
2074 * cgraph.c (cgraph_asm_nodes): New global variable.
2075 (cgraph_asm_last_node): New static variable.
2076 (cgraph_order): New global variable.
2077 (cgraph_create_node): Set new order field.
2078 (cgraph_varpool_node): Likewise.
2079 (decide_is_variable_needed): Return true if not
2080 flag_toplevel_reorder.
2081 (cgraph_add_asm_node): New function.
2082 * cgraph.h (struct cgraph_node): Add order field.
2083 (struct cgraph_varpool_node): Add order field.
2084 (struct cgraph_asm_node): Define.
2085 (cgraph_asm_nodes, cgraph_order): Declare.
2086 (cgraph_add_asm_node): Declare.
2087 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2089 (cgraph_varpool_assemble_pending_decls): Call it.
2090 (cgraph_output_pending_asms): New static function.
2091 (cgraph_finalize_compilation_unit): Call it.
2092 (struct cgraph_order_sort): Define.
2093 (cgraph_output_in_order): New static function.
2094 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2095 !flag_toplevel_reorder case.
2096 * c-parser.c: Include "cgraph.h".
2097 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2099 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2100 than -fno-unit-at-a-time.
2101 * doc/invoke.texi (Option Summary): Mention
2102 -fno-toplevel-reorder.
2103 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2104 -funit-at-a-time documentation.
2106 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2107 Kazu Hirata <kazu@codesourcery.com>
2109 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2111 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2113 * Makefile.in (FUNCTION_H): New. Use it instead of
2114 function.h throughout the file.
2115 * function.h: Include tree.h.
2117 2006-01-17 Ben Elliston <bje@au.ibm.com>
2119 * recog.c: Separate some functions with whitespace.
2121 2006-01-16 Richard Henderson <rth@redhat.com>
2123 Merge from gomp branch:
2124 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2125 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2126 and rename from struct inline_data. Rename callee* to dst*;
2127 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2128 transform_new_cfg, transform_return_to_modify, and
2129 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2131 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2132 (copy_decl_for_dup): Remove.
2133 * tree-inline.c (struct inline_data): Move to header.
2134 (insert_decl_map): Export.
2135 (remap_decl): Update for member name changes. Use copy_decl hook.
2136 Allow for replacement to be a non-decl. Remove dead code.
2137 (remap_type_1): Check for existing mapping.
2138 (remap_type): Export.
2139 (remap_decls): Update for member name changes.
2140 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2141 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2142 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2143 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2144 (tree_function_versioning, build_duplicate_type): Likewise.
2145 (copy_body_r): Likewise. Export.
2146 (copy_decl_for_dup): Split into ...
2147 (copy_decl_for_dup_finish, copy_decl_to_var,
2148 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2149 (replace_ref_tree, inlining_p): Remove.
2151 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2153 * ifcvt.c (if_convert): Make it static.
2154 * rtl.h: Remove the prototype for if_convert.
2156 * local-alloc.c (local_alloc): Make it static.
2157 * rtl.h: Remove the prototype for local_alloc.
2159 * loop.c (loop_optimize): Make it static.
2160 * cfgloop.h: Remove the prototype for loop_optimize.
2163 2006-01-16 DJ Delorie <dj@redhat.com>
2165 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2168 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2170 * pa.md: Disparage copies between general and floating-point registers
2171 in 32-bit move patterns.
2173 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2176 * Makefile.in (check-%): Depend on site.exp instead of
2177 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2180 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2182 * global.c (global_alloc): Make it static.
2183 * rtl.h: Remove the prototype for global_alloc.
2185 2006-01-16 Richard Guenther <rguenther@suse.de>
2187 * tree-ssa-alias.c (struct used_part): Add write_only field.
2188 (get_or_create_used_part_for): Initialize it to true.
2189 (create_overlap_variables_for): Don't create structure variables
2190 for structures that only are written to.
2191 (find_used_portions): Handle MODIFY_EXPR to track whether a
2192 structure is only written to.
2194 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2196 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2198 * basic-block.h: Remove the prototype for
2199 partition_hot_cold_basic_blocks.
2201 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2203 * cppspec.c (lang_specific_spec_functions): Remove.
2204 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2205 * gcc.h (lang_specific_spec_functions): Remove.
2206 * gccspec.c (lang_specific_spec_functions): Remove.
2208 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2210 * combine.c (record_value_for_reg): Invalidate registers
2212 (record_dead_and_set_regs_1): Likewise, by passing them to
2213 record_value_for_reg.
2214 (record_dead_and_set_regs): Invalidate stores made by a
2215 call. We do not combine across a call, but we still
2216 relied on equivalences.
2218 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2220 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2221 vrp_int_const_binop returning non-constant nodes.
2223 2006-01-16 Paul Brook <paul@codesourcery.com>
2225 * config/m68k/m68k.c (output_move_const_into_data_reg):
2226 Output correct mnemonic for mvz and mvs.
2228 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2230 * rtl-factoring.c: Add sequence abstraction algorithm.
2231 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2232 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2234 (block_has_preserve_label): New function.
2235 * common.opt: Register new pass.
2236 * Makefile.in: Ditto.
2238 * timevar.def: Ditto.
2239 * tree-pass.h: Ditto.
2240 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2241 * rtl.h (make_jump_insn_raw): Add forward decl.
2242 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2244 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2245 Roger Sayle <roger@eyesopen.com>
2247 * fold-const.c (fold_minmax): New static function.
2248 (fold_binary) <MIN_EXPR>: Call it.
2249 <MAX_EXPR>: Likewise.
2250 * stor-layout.c (place_field): Use DECL_SIZE consistently
2251 in the computation of the new record size.
2253 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2255 * cse.c (cse_condition_code_reg): Make it static.
2256 * rtl.h: Remove the prototype for cse_condition_code_reg.
2258 * combine.c (combine_instructions): Make it static.
2259 * rtl.h: Remove the prototype for combine_instructions.
2261 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2264 * tree.c (get_file_function_name_long): Concatenate the first global
2265 object name with a string derived from the input filename of the object
2268 2006-01-16 Ben Elliston <bje@au.ibm.com>
2270 * config/i386/winnt-stubs.c: Update FSF address.
2271 * config/xtensa/ieee754-df.S: Ditto.
2272 * config/xtensa/ieee754-sf.S: Ditto.
2274 2006-01-14 Ian Lance Taylor <ian@airs.com>
2276 * ifcvt.c (noce_init_if_info): New static function, broken out of
2277 noce_process_if_block.
2278 (noce_process_if_block): Call noce_init_if_info.
2279 (check_cond_move_block): New static function.
2280 (cond_move_process_if_block): New static function.
2281 (process_if_block): Call cond_move_process_if_block.
2283 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2285 * cselib.c (hash_table): Rename to cselib_hash_table.
2286 (cselib_clear_table, discard_useless_values,
2287 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2288 cselib_init, cselib_finish): Adjust uses of hash_table.
2290 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2292 PR tree-optimization/25485
2293 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2294 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2295 is known to be false and true, respectively.
2297 2006-01-14 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/22548
2300 PR tree-optimization/22555
2301 PR tree-optimization/22501
2302 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2303 * params.def (salias-max-array-elements): New parameter.
2304 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2305 * doc/invoke.texi (salias-max-array-elements): Document.
2306 * tree-flow-inline.h (var_can_have_subvars): We also handle
2308 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2310 * tree-ssa-structalias.c (params.h): Include.
2311 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2312 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2313 (get_constraint_for): For ADDR_EXPR operating on something
2314 containing an ARRAY_REF, add all subvars to the solution.
2315 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2316 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2317 for creating MUST_DEFs.
2318 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2320 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2322 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2324 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2325 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2326 number_of_iterations_le): New functions.
2327 (number_of_iterations_special): Removed.
2328 (number_of_iterations_exit): Do not use number_of_iterations_special.
2329 * tree.c (unsigned_type_for): Always return integer type.
2331 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2332 Richard Guenther <rguenther@suse.de>
2334 PR rtl-optimization/24257
2335 * gcse.c (find_moveable_store): Only consider a store movable
2336 when the SET_SRC of the insn can be assigned to a register.
2338 2006-01-14 Ian Lance Taylor <ian@airs.com>
2340 * tree.c (tree_not_class_check_failed): New function.
2341 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2342 (tree_not_class_check_failed): Declare.
2344 2006-01-13 Ian Lance Taylor <ian@airs.com>
2346 * reload1.c (do_output_reload): Add assertion rejecting a
2349 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2351 * combine.c (struct reg_stat): Add new fields truncation_label and
2353 (record_value_for_reg): Reset truncated_to_mode.
2354 (record_truncated_value): New function.
2355 (check_promoted_subreg): Call it. Rename to check_conversions.
2356 (combine_instructions): Rename check_promoted_subreg to
2358 (reg_truncated_to_mode): New function.
2359 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2360 (gen_lowpart_or_truncate): New function.
2361 (force_to_mode): Use it instead of gen_lowpart.
2363 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2365 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2366 VAR is a tag, not its type tag.
2368 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2370 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2371 alternatives to match style of other entries.
2372 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2374 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2376 PR tree-optimization/25771
2377 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2380 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2383 * tree-inline.c (declare_return_variable): If the return variable
2384 was marked as a non gimple complex, set the return slot variable
2385 to be a non gimple comple variable.
2387 2006-01-13 Richard Guenther <rguenther@suse.de>
2389 * builtins.c (expand_builtin_sincos): New function.
2390 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2392 (expand_builtin): Expand sincos using expand_builtin_sincos.
2394 2006-01-12 DJ Delorie <dj@redhat.com>
2396 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2397 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2398 so that constant shifts can be split.
2399 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2400 (m32c_valid_pointer_mode): Make static.
2401 (shift_gen_func_for): New.
2402 (m32c_prepare_shift): Use it. Split large const shifts into
2404 * config/m32c/predicates.md (shiftcount_operand): Allow more
2406 (longshiftcount_operand): New.
2407 * doc/md.texi (Machine Constraints): Document In6.
2409 2006-01-13 Ben Elliston <bje@au.ibm.com>
2411 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2412 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2415 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2417 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2418 to try to avoid clobbering pieces of structures when we know
2419 something about the whole structure.
2420 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2422 2006-01-13 Ben Elliston <bje@au.ibm.com>
2424 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2425 return in memory, as this is no limitation is no longer present.
2427 2006-01-12 DJ Delorie <dj@redhat.com>
2429 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2430 mova with fb, and for fb+0 -> An.
2432 * config/m32c/mov.md (peephole2): Fix enabling logic.
2434 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2435 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2436 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2437 FINI_ARRAY_SECTION_ASM_OP): Define.
2439 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2441 (m32c_legitimize_reload_address): New logic to reload FB to An.
2442 (m32c_output_reg_push): Add newline.
2443 (m32c_output_reg_pop): Likewise.
2445 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2447 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2449 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2451 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2453 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2455 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2458 2006-01-11 Ben Elliston <bje@au.ibm.com>
2460 * rtlanal.c (find_reg_note): Assert insn is not null.
2462 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2464 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2467 2006-01-11 Jeff Law <law@redhat.com>
2469 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2471 (mark_threaded_blocks, register_jump_thread): New functions.
2472 (thread_through_all_blocks): Remove unwanted argument. No
2473 longer rely on e->aux to communicate thread target info.
2474 Call mark_threaded_blocks. Release the threaded_blocks
2475 bitmap and threaded_edges vector when complete.
2476 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2477 (threaded_blocks): Remove.
2478 (tree_ssa_dominator_optimize): Remove initialization and
2479 finalization of threaded_blocks. Simplify call to
2480 thread_through_all_blocks.
2481 (thread_across_edge): Call register_jump_thread rather than
2482 storing thread information into e->aux.
2483 (free_all_edge_infos): Simplify now that e->aux is no longer
2484 used to communicate with thread_through_all_blocks.
2485 * tree-flow.h (thread_through_all_blocks): Update prototype.
2486 (register_jump_thread): Prototype.
2488 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2490 * df-core.c (df_compact_blocks, df_bb_replace): Use
2491 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2493 2006-01-11 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/25734
2496 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2497 stop propagation after successful propagation to the LHS.
2499 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2501 * basic-block.h (control_flow_graph): Change the type of
2502 x_basic_block_info to VEC(basic_block,gc) *.
2503 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2505 (SET_BASIC_BLOCK): New.
2506 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2507 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2508 * cfgbuild.c (find_basic_blocks): Likewise.
2509 * cfglayout.c (fixup_reorder_chain): Likewise.
2510 * cfgrtl.c (create_basic_block_structure,
2511 rtl_create_basic_block): Likewise.
2512 * ifcvt.c (find_if_case_1): Likewise.
2513 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2516 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2518 * Makefile.in: Removed rotted odf.c entry.
2520 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2523 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2524 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2525 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2526 output pattern modifier, not %e.
2527 * config/cris/cris.c (cris_op_str): Update comment about pattern
2529 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2530 before falling through into...
2531 <case 'E'>: Redefined from old 'e' case.
2533 2006-01-11 Jan Hubicka <jh@suse.cz>
2536 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2538 2006-01-11 Jan Hubicka <jh@suse.cz>
2540 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2541 * i386.c (x86_decompose_lea): Kill.
2542 (ix86_rtx_costs): Kill.
2544 2006-01-11 Jan Hubicka <jh@suse.cz>
2546 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2547 * cgraph.h (cgraph_node): Add inline_decl.
2548 (cgraph_insert_node_to_hashtable): Declare.
2549 (save_inline_function_body): Declare.
2550 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2552 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2553 (cgraph_function_versioning): Update call of tree_function_versioning.
2554 (save_inline_function_body): New function.
2555 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2556 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2557 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2558 (cgraph_default_inline_p): Likewise.
2559 (cgraph_decide_inlining_incrementally): Likewise.
2560 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2561 (copy_bb): Kill saving; do updating of clones.
2562 (copy_cfg_body): Kill saving.
2563 (initialize_inlined-parameters): Likewise.
2564 (expand_call_inline): Likewise.
2566 (tree_function_versioning): New parameter "update_clones".
2567 (inlining_p): Kill saving.
2568 * tree-inline.h (tree_function_versioning): Update prototype.
2569 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2572 2006-01-11 Ian Lance Taylor <ian@airs.com>
2574 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2575 Allow undoing set of machine mode.
2576 (do_SUBST): Use enums instead of is_int.
2577 (do_SUBST_MODE): New function.
2578 (SUBST_MODE): New macro.
2579 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2580 reg and trying to replace reg_regno_rtx with a new register.
2581 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2582 (simplify_set): Use SUBST_MODE.
2583 (distribute_notes): Remove code that tried to update reg notes
2584 for regno_reg_rtx changes.
2586 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2588 PR tree-optimization/23109
2589 PR tree-optimization/23948
2590 PR tree-optimization/24123
2592 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2593 * tree-cfg.c (single_noncomplex_succ): New.
2594 * tree-flow.h (single_noncomplex_succ): Declare it.
2595 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2596 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2597 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2598 insert_bb, register_division_in, insert_reciprocals,
2599 replace_reciprocal, free_bb): New.
2600 (execute_cse_reciprocals_1): Rewritten.
2601 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2602 Do not commit any edge insertion. Always compute dominators and
2603 create the allocation pool.
2604 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2605 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2606 * targhooks.c (default_min_divistions_for_recip_mul): New.
2607 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2608 * passes.c (init_optimization_passes): Run recip after tree loop
2610 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2612 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2613 Kenneth Zadeck <zadeck@naturalbridge.com>
2615 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2616 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2617 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2618 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2619 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2620 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2621 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2622 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2623 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2624 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2625 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2626 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2627 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2628 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2629 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2630 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2631 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2632 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2633 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2634 DF_SCAN_POST_ALLOC): New macros.
2635 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2636 df_free_bb_function, df_local_compute_function, df_init_function,
2637 df_dataflow_function, df_confluence_function_0,
2638 df_confluence_function_n, df_transfer_function,
2639 df_finalizer_function, df_free_function, df_dump_problem_function,
2640 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2641 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2642 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2643 df_urec_bb_info, ) New types.
2644 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2646 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2647 df_analyze_simple_change_some_blocks,
2648 df_analyze_simple_change_one_block, df_compact_blocks,
2649 df_bb_replace, df_bb_regno_last_use_find,
2650 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2651 df_insn_regno_def_p, df_find_def, df_find_use,
2652 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2653 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2654 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2655 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2656 debug_df_chain, df_get_dependent_problem, df_chain_create,
2657 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2658 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2659 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2660 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2661 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2662 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2663 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2664 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2665 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2666 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2667 df_reorganize_refs, df_set_state, df_hard_reg_init,
2668 df_read_modify_subreg_p) New public functions.
2669 * df-core.c: The core dataflow solver and glue routines for rtl
2671 (df_init, df_add_problem, df_set_blocks, df_finish,
2672 df_hybrid_search_forward, df_hybrid_search_backward,
2673 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2674 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2675 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2676 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2677 df_reg_defined, df_find_use, df_reg_used, df_dump,
2678 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2679 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2680 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2681 debug_df_useno, reset_df_after_reload): New functions.
2682 * df-scan.c: The scanning fuctions, once in df.c, completely
2683 rewritten so that they now fully model the functionality of
2684 register usage at the backend.
2685 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2686 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2687 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2688 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2689 df_get_artificial_defs, df_get_artificial_uses,
2690 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2691 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2692 df_refs_delete, df_reorganize_refs, df_set_state,
2693 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2694 df_def_record_1, df_defs_record, df_uses_record,
2695 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2696 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2697 df_record_exit_block_uses, df_hard_reg_init): New functions.
2699 * df-problems.c: Seven concrete dataflow problems that use the
2700 scanning in df-scan.c and are solved by the engine in df-core.c.
2701 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2702 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2703 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2704 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2705 df_ru_free_bb_info, df_ru_alloc,
2706 df_ru_bb_local_compute_process_def,
2707 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2708 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2709 df_ru_transfer_function, df_ru_free, df_ru_dump,
2710 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2711 df_rd_free_bb_info, df_rd_alloc,
2712 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2713 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2714 df_rd_transfer_function, df_rd_free, df_rd_dump,
2715 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2716 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2717 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2718 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2719 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2720 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2721 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2722 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2723 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2724 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2725 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2726 df_urec_mark_reg_use_for_earlyclobber,
2727 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2728 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2729 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2730 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2731 df_chain_create_bb_process_use, df_chain_create_bb,
2732 df_chain_finalize, df_chain_free, df_chains_dump,
2733 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2734 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2735 df_reg_lifetime): New functions.
2736 * df.c: Deleted file.
2737 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2738 consistent with new df api.
2739 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2740 rest_of_handle_sms): Ditto.
2741 * web.c (unionfind_union, union_defs, entry_register, web_main):
2743 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2744 invariant_expr_equal_p, find_defs, check_dependencies,
2745 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2746 free_inv_motion_data, move_loop_invariants): Ditto.
2747 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2748 Update dependencies.
2749 (odf.c): Added defective entry that was deleted later in day.
2750 * sched-deps.c (sched_analyze_1): Ditto.
2752 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2754 * tree-ssa-operands.c (get_expr_operands): Record addressable
2755 variables directly. Do not call add_stmt_operands for CONST_DECLs
2757 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2758 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2760 2006-01-11 Ben Elliston <bje@au.ibm.com>
2762 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2763 function returns true in the positive case.
2765 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2768 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2769 for SI, DI, SF and DF modes. Add alternatives to copy between
2770 general and floating point registers to the 32-bit patterns.
2771 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2772 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2773 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2774 generating 64-bit code.
2775 * config/pa/pa.c (output_move_double): Handle copies between general
2776 and floating registers.
2778 2006-01-10 Stuart Hastings <stuart@apple.com>
2780 * config/i386/i386.md (set_got): Update.
2781 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2782 (builtin_setjmp_receiver): Mach-O support.
2783 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2784 (GOT_SYMBOL_NAME): Define.
2785 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2786 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2787 * config/i386/i386.c (override_options): Revise for Darwin.
2788 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2789 support. (darwin_x86_file_end): New. (output_set_got): Add label
2790 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2791 * config/i386/i386-protos.h (output_set_got): Likewise.
2792 * config/darwin.c (machopic_legitimize_pic_address): Update
2795 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2797 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2798 when MODE isn't BLKmode.
2800 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2802 PR rtl-optimization/25367
2803 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2805 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2808 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2809 for a negative bound.
2811 2006-01-10 Richard Guenther <rguenther@suse.de>
2813 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2814 Never override with anything constraint.
2816 2006-01-10 Jan Beulich <jbeulich@novell.com>
2818 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2819 256 bits when optimize_size.
2821 2006-01-10 Jan Beulich <jbeulich@novell.com>
2823 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2825 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2826 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2829 2006-01-10 Ben Elliston <bje@au.ibm.com>
2831 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2833 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2834 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2835 (USE_FP_FOR_ARG): Reject decimal float modes.
2836 (function_arg_advance): Likewise.
2837 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2838 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2839 point types in AltiVec vectors.
2840 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2841 (rs6000_libcall_value): Likewise.
2843 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2845 * config/xtensa/ieee754-df.S: New file.
2846 * config/xtensa/ieee754-sf.S: New file.
2847 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2848 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2849 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2851 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2853 * config/sh/predicates.md (binary_float_operator,
2854 binary_logical_operator, commutative_float_operator,
2855 equality_comparison_operator, greater_comparison_operator,
2856 less_comparison_operator, logical_operator,
2857 noncommutative_float_operator, shift_operator,
2858 symbol_ref_operand, unary_float_operator): Remove redundant
2861 2006-01-09 Jeff Law <law@redhat.com>
2863 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2864 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2865 now unused arguments. Callers updated.
2866 (eliminate_redundant_computations): Remove now unused arguments,
2868 (local_fold): Remove, no longer used.
2869 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2871 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2872 (simplify_cond): New function.
2873 (forward_propagate_into_cond): Call simplify_cond.
2875 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2877 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2878 (*vec_extractv2di_1_sse): New.
2880 2006-01-09 Ben Elliston <bje@au.ibm.com>
2882 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2884 2006-01-08 Richard Guenther <rguenther@suse.de>
2886 * tree-ssa-structalias.c (get_constraint_for): Remove
2888 (get_constraint_for_component_ref): Likewise.
2889 (do_deref): Likewise.
2890 (get_constraint_for): Likewise.
2891 (do_structure_copy): Likewise.
2892 (handle_ptr_arith): Likewise.
2893 (find_func_aliases): Likewise. Remove unused need_anyoffset
2896 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2897 Kaz Kojima <kkojima@gcc.gnu.org>
2899 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2900 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2901 (EXTRA_CONSTRAINT_C16): Remove.
2902 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2903 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2904 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2905 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2906 constants of SHmedia. Handle nested constant expressions of
2908 (andcosts): Fix the costs for SHmedia constants.
2909 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2910 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2911 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2912 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2913 (movv4hi_i, movv2si_i): Likewise.
2914 (movsi_const): Adjust the second operand of ior so to match with
2916 (movdi_const, movdi_const_32bit): Likewise.
2917 (movdi_const_16bit+1): Don't sign-extend LOW.
2918 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2920 (*double_shori): Fix the split condition. Use GEN_INT instead
2921 of get_int_mode calls. Mask lower 16-bit of the argument of
2923 (sym2GOTPLT): Remove.
2924 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2926 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2927 instead of EXTRA_CONSTRAINT_C16.
2929 2006-01-07 Ian Lance Taylor <ian@airs.com>
2930 David Edelsohn <edelsohn@gnu.org>
2932 PR rtl-optimization/25662
2933 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2934 for constant operands instead of simplify_gen_binary.
2935 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2936 after trying simplify_binary_operation
2938 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2940 * tree.c (iterative_hash_expr): Hash decls based on UID.
2942 2006-01-06 Eric Christopher <echristo@apple.com>
2944 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2945 (TARGET_UNWIND_EMIT): Fix spelling.
2946 * target.h (gcc_target): Add except_table_label.
2947 * except.c (output_function_exception_table): Use.
2948 * varasm.c (default_emit_except_table_label): New.
2949 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2951 (asm_out): Add here.
2952 * output.h (default_emit_except_table_label): Prototype.
2953 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2954 * config/darwin.c (darwin_emit_except_table_label): Define.
2955 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2957 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2959 PR tree-optimization/18527
2960 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2961 number_of_iterations_special, number_of_iterations_exit):
2962 Move base and step of an iv to a single structure. Add
2963 no_overflow flag, and use it in # of iterations analysis.
2964 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2965 folded_casts argument.
2966 (simple_iv): Pass base and step in a structure. Set no_overflow
2968 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2969 Evaluate expensiveness of computing # of iterations instead of
2970 the final expression.
2971 * tree-scalar-evolution.h (affine_iv): New structure.
2972 (simple_iv): Declaration changed.
2973 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2974 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2975 find_givs_in_stmt): Changed due to simple_iv change.
2977 2006-01-06 Jeff Law <law@redhat.com>
2980 * tree-cfg.c (bsi_replace): Rename final argument from
2981 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2982 change (stmt -> orig_stmt).
2983 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2984 (bsi_remove): Add new argument. Remove EH information
2986 (verify_eh_throw_table_statements): New function.
2987 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2989 * tree-optimize.c (execute_free_cfg_annotations): Verify
2990 the EH throw statement table after removing annotations.
2991 * except.h (verify_eh_throw_table_statements): Prototype.
2992 * tree-flow.h (bsi_remove): Update prototype.
2993 * tree-vrp.c (remove_range_assertions): Add new argument to
2995 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2996 * tree-complex.c (expand_complex_div_wide): Likewise.
2997 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2998 * tree-tailcall.c (eliminate_tailcall): Likewise.
2999 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3000 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3001 * tree-nrv.c (tree_nrv): Likewise.
3002 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3003 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3004 (combine_blocks): Likewise.
3005 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3006 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3007 (cleanup_control_flow): Likewise.
3008 (remove_forwarder_block): Likewise.
3009 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3010 * tree-sra.c (sra_replace): Likewise.
3011 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3012 (forward_propagate_single_use_vars): Likewise.
3013 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3014 * tree-inline.c (expand_call_inline): Likewise.
3015 * tree-vect-transform.c (vect_transform_loop): Likewise.
3016 * tree-outof-ssa.c (rewrite_trees): Likewise.
3017 * tree-cfg.c (make_goto_expr_edges): Likewise.
3018 (cleanup_dead_labels): Likewise.
3019 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3020 (bsi_move_before, bsi_move_after): Likewise.
3021 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3022 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3024 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3027 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3029 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3030 on non gimple variables. Also add checks at the top for decls and
3032 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3034 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3035 and IMAGPART_EXPR for creating MUST_DEFs.
3036 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3037 and NAME_MEMORY_TAG separately from the DECLs.
3039 2006-01-06 Richard Guenther <rguenther@suse.de>
3041 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3042 annotation, if necessary.
3043 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3044 redundant calls to update_stmt.
3045 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3048 2006-01-05 Richard Henderson <rth@redhat.com>
3050 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3052 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3054 * c-typeck.c: Update copyright date.
3056 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3058 * c-typeck.c (build_c_cast): Always warn when casting
3059 from a pointer to an integer of different size, even if
3060 the node was constant.
3062 2006-01-05 Richard Guenther <rguenther@suse.de>
3064 PR tree-optimization/22555
3065 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3066 if one structure field is an array.
3067 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3068 operands even if we found a subvar, but ignore VOPs in this
3070 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3072 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3074 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3077 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3079 2006-01-05 Richard Guenther <rguenther@suse.de>
3080 Diego Novillo <dnovillo@redhat.com>
3082 * tree-pass.h (TODO_remove_unused_locals): Define.
3083 * gimple-low.c (expand_var_p, remove_useless_vars,
3084 pass_remove_useless_vars): Remove. Update all users.
3085 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3086 (remove_unused_locals): New function.
3087 * tree-flow.h (remove_unused_locals): Declare.
3088 * passes.c (execute_todo): Call remove_unused_locals if
3089 TODO_remove_unused_locals is set.
3090 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3091 * tree-ssa-dce.c (pass_dce): Likewise.
3092 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3094 2006-01-05 Richard Guenther <rguenther@suse.de>
3096 * tree-flow.h (struct fieldoff): Decompose field to
3097 type, size and decl.
3098 * tree-ssa-alias.c (create_sft): Take type as parameter.
3099 (create_overlap_variables_for): Store type, size and decl
3100 in the fieldoff structure.
3101 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3103 (push_fields_onto_fieldstack): Likewise.
3104 (create_variable_info_for): Likewise. Use offset for the
3105 SFT name if the decl is not available.
3107 2006-01-04 Paul Brook <paul@codesourcery.com>
3109 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3111 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3113 * lambda-code.c (can_put_in_inner_loop): Relax
3115 (can_put_after_inner_loop): New function.
3116 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3117 (perfect_nestify): Change to make copies and modify uses.
3119 2006-01-04 Richard Henderson <rth@redhat.com>
3121 Merge from gomp branch:
3122 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3123 via integer constant.
3124 (pragma_lex): Remove.
3125 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3126 rather than parsing it.
3127 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3128 handle_pragma_extern_prefix): Add %< %> quotes.
3129 (registered_pragmas): New.
3130 (c_register_pragma_1): New.
3131 (c_register_pragma): Use it.
3132 (c_register_pragma_with_expansion): Likewise.
3133 (c_invoke_pragma_handler): New.
3134 (init_pragma): Use cpp_register_deferred_pragma directly for
3136 * c-pragma.h (enum pragma_kind): New.
3137 (pragma_handler): New.
3138 (c_invoke_pragma_handler): Declare.
3139 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3141 * c-common.h (c_common_pch_pragma): Update decl.
3142 * Makefile.in (c-parser.o): Update dependencies.
3143 (GTFILES): Add c-pragma.h.
3144 * c-parser.c (struct c_token): Add pragma_kind.
3145 (struct c_parser): Add in_pragma.
3146 (c_lex_one_token): Always initialize keyword and pragma_kind.
3147 Extract data for CPP_PRAGMA.
3148 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3149 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3150 Don't allow CPP_PRAGMA_EOL if in_pragma.
3151 (c_parser_consume_pragma): New.
3152 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3153 (c_parser_skip_to_end_of_parameter): Likewise.
3154 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3155 (c_parser_skip_to_pragma_eol): New.
3156 (c_parser_external_declaration): Handle CPP_PRAGMA.
3157 (c_parser_compound_statement_nostart): Likewise.
3158 (c_parser_statement_after_labels): Likewise.
3159 (c_parser_pragma): New.
3160 (pragma_lex): Likewise.
3161 (c_parser_pragma_pch_preprocess): New.
3162 (c_parser_new): Merge into ...
3163 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3165 2006-01-04 Jeff Law <law@redhat.com>
3168 * tree-cfg.c (bsi_replace): Remove the original statement
3169 from the EH throw statement table.
3171 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3173 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3174 make the prototype extern "C" and add throw ().
3177 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3178 and pos non-negative and pos + len <= 32.
3179 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3180 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3181 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3184 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3185 as well as sizes not multiple of component size.
3188 * function.c (instantiate_expr): New function.
3189 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3190 walk its DECL_VALUE_EXPR with instantiate_expr.
3192 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3193 DW_OP_deref{,_size} if address isn't going to be added.
3195 2006-01-04 Ben Elliston <bje@au.ibm.com>
3197 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3198 * config/fp-bit.c: Likewise.
3200 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3202 * dominance.c: Add comment about why we use DFS numbering
3205 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3206 Richard Henderson <rth@redhat.com>
3208 Merge from gomp-branch:
3209 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3210 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3212 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3214 PR rtl-optimization/25578
3215 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3216 pass a parameter to simplify_shift_const if changing ASHIFTRT
3219 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3221 * builtins.c (get_builtin_sync_mem): New function.
3222 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3223 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3224 Call get_builtin_sync_mem to generate mem rtx.
3226 2006-01-03 Richard Guenther <rguenther@suse.de>
3229 * stmt.c (add_case_node): Make sure to clear overflow flags
3232 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3234 Merge from gomp-branch.
3235 * config/sparc/sync.md: New file.
3236 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3237 UNSPECV_LDSTUB): New constants.
3238 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3239 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3240 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3243 2006-01-03 Roger Sayle <roger@eyesopen.com>
3245 * combine.c (reg_subword_p): New predicate to test whether the
3246 destination of a set refers to a subword/piece of a register.
3247 (try_combine): Generalize the code to merge the setting of a
3248 pseudo to a constant followed by a set of a subword of that
3249 register to a constant.
3251 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3253 * basic-block.h (control_flow_graph): Change the type of
3254 x_label_to_block_map to VEC(basic_block,gc) *.
3255 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3256 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3258 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3259 VEC(basic_block,heap) *.
3260 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3261 ssa_prop_fini): Adjust the uses of cfg_blocks.
3263 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3265 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3267 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3268 hashing trees instead of a pointer hash.
3269 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3270 compare for MEM_EXPR.
3272 PR rtl-optimization/25130
3273 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3274 when comparing MEMs for GCSE
3276 2006-01-03 Ben Elliston <bje@au.ibm.com>
3278 * targhooks.h (default_decimal_float_supported_p): Declare.
3279 * targhooks.c (default_decimal_float_supported_p): Define.
3280 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3281 `default_decimal_float_supported_p'.
3282 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3284 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3286 * combine.c (apply_distributive_law <SUBREG>): Check
3287 TRULY_NOOP_TRUNCATION.
3289 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3291 * dwarf2out.c (have_switched_text_section): Delete.
3292 (have_multiple_function_sections): New.
3293 (have_location_lists): Make 'bool'.
3294 (add_AT_loc_list): Use 'true' not '1'.
3295 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3296 (output_loc_list): Use have_multiple_function_sections.
3297 (output_ranges): Likewise.
3298 (dwarf2out_begin_function): Set have_multiple_function_sections if
3300 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3301 Check function_section rather than DECL_SECTION_NAME.
3302 (dwarf2out_finish): Use have_multiple_function_sections.
3303 Don't clear have_location_lists.
3305 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3306 Jan Hubicka <jh@suse.cz>
3308 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3309 case of conditional jump jumping to the next instruction.
3310 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3311 cases of conditional jump jumping to the next instruction.
3313 2006-01-02 Jan Hubicka <jh@suse.cz>
3315 * i386.c (*_cost): Add COSTS_N_INSNS.
3316 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3318 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3321 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3323 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3325 * config/arm/arm.c (all_fpus): Fix comment typo.
3326 * config/darwin.c: Likewise.
3327 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3328 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3329 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3331 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3333 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3334 (rs6000_split_compare_and_swapqhi): New.
3335 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3336 (sync_compare_and_swapqhi_internal): New.
3337 * config/rs6000/rs6000-protos.h: Declare.