1 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3 * expmed.c (const_mult_add_overflow_p): Remove.
4 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6 * recog.c (validate_replace_rtx_subexp): Remove.
7 * recog.h: Remove the prototype for
8 validate_replace_rtx_subexp.
10 * integrate.h: Remove the prototype for
11 copy_decl_for_inlining.
12 * rtl.h: Remove the prototype for mark_constant_function.
13 * tree-vectorizer.h: Remove the prototype for
14 vect_strip_conversion.
16 * modulo-sched.c (create_partial_schedule,
17 free_partial_schedule, reset_partial_schedule): Make them
20 * hooks.c (hook_bool_rtx_int_false): Remove.
21 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
23 2006-01-28 David Edelsohn <edelsohn@gnu.org>
25 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
26 and -mlong-double-128 are incompatible.
27 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
28 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
29 (TARGET_LIBGCC2_CFLAGS): Define.
30 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
31 (TARGET_LIBGCC2_CFLAGS): Same.
32 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
34 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
37 * c-typeck.c (build_binary_op): Perform implicit casts of
38 operands before shortening them.
40 * cfgloopmanip.c (split_loop_bb): Remove.
41 * cfgloop.h: Remove the prototype for split_loop_bb.
43 * cfgloop.c (flow_loop_outside_edge_p): Remove.
44 * cfgloop.h: Remove the prototype for
45 flow_loop_outside_edge_p.
47 * emit-rtl.c (init_virtual_regs): Make it static.
48 * function.h: Remove the prototype for init_virtual_regs.
50 * recog.c (peephole2_optimize): Make it static.
51 * recog.h: Remove the prototype for peephole2_optimize.
53 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
55 * df-scan.c (df_record_entry_block_defs): Check if
56 INCOMING_RETURN_ADDR_RTX is defined.
58 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
59 Kenneth Zadeck <zadeck@naturalbridge.com>
61 PR rtl-optimization/24762
62 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
63 * targhooks.c (hook_void_bitmap): New hook prototype.
64 * targhoohs.h (hook_void_bitmap): Ditto.
65 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
66 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
67 * target.h (live_on_entry): New function pointer.
68 * df-scan.c (df_all_hard_regs): Removed.
69 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
70 (df_scan_free_internal): Added df->entry_block_defs.
71 (df_scan_alloc): Ditto.
72 (df_scan_dump): Ditto.
73 (df_uses_record): Plumbed flag field properly thru calls.
74 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
75 This part fixes PR24762.
76 (df_bb_refs_record): Added code to make the frame and arg
77 pointers live in EH blocks.
78 (df_refs_record): Added call to df_record_entry_block_defs.
79 (df_record_entry_block_defs): New function.
80 * df-core.c: Added comments to describe new artifical defs.
81 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
82 (entry_block_defs): New field in struct df.
83 (df_all_hard_regs): Deleted.
84 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
85 * df-problems.c (df_ru_bb_local_compute_process_def):
86 Added code to handle artifical defs in the entry to a function.
87 (df_ru_bb_local_compute): Ditto.
88 (df_rd_bb_local_compute_process_def): Ditto.
89 (df_rd_bb_local_compute): Ditto.
90 (df_lr_bb_local_compute): Ditto.
91 (df_ur_bb_local_compute): Ditto.
92 (df_urec_bb_local_compute): Ditto.
93 (df_chain_create_bb): Ditto.
94 (df_ur_local_finalize): Removed entry.
95 (df_urec_init): Ditto.
96 (df_urec_local_finalize): Ditto.
97 (df_ri_bb_compute): Added detection of last use of pseudos.
98 * Makefile.in (df-scan.o): Updated dependencies.
99 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
100 * config/mips/mips.c (mips_set_live_on_entry): Added.
101 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
103 * dce.c (marked_insn_p): Added code to handle artifical defs.
105 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
107 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
109 (_mm_cvtsi128_si64): Likewise.
110 (_mm_cvtsd_si64): Likewise.
111 (_mm_cvttsd_si64): Likewise.
112 (_mm_cvtsi64_sd): Likewise.
113 (_mm_cvtsi64_si128): Likewise.
114 * config/i386/mmintrin.h (_m_from_int64): Likewise.
115 (_mm_cvtsi64_m64): Likewise.
116 (_m_to_int64): Likewise.
117 (_mm_cvtm64_si64): Likewise.
118 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
119 (_mm_cvttss_si64): Likewise.
120 (_mm_cvtsi64_ss): Likewise.
121 (_mm_cvtss_f32): Likewise.
123 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
125 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
126 for pragma redefine_extname.
128 2006-01-27 Jakub Jelinek <jakub@redhat.com>
131 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
132 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
133 -mno-minimal-toc to previous content.
134 (bispecs): Remove goal.
135 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
136 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
137 compatibility aliases on powerpc-*-*gnu*.
138 * config/rs6000/libgcc-ppc-glibc.ver: New file.
139 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
140 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
141 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
142 (ldblspecs): New goal.
143 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
144 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
146 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
147 L_sf_to_tf or L_df_to_tf is defined.
149 2006-01-27 David Edelsohn <edelsohn@gnu.org>
150 Alan Modra <amodra@bigpond.net.au>
153 * config/rs6000/linux.h (POWERPC_LINUX): Define.
154 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
155 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
156 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
157 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
158 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
159 (rs6000_override_options): Initialize rs6000_ieeequad.
160 Initialize TFmode format to ibm_extended_format if not
162 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
164 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
165 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
166 (function_arg_advance): IBM long double passed in two FPRs, not
168 (function_arg): IBM long double passed in FPRs.
169 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
170 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
171 Only multireg GPR aligned.
172 (rs6000_init_libfuncs): Enable IBM long double functions if not
174 (rs6000_generate_compare): Use IBM long double compare if not
176 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
177 (TARGET_IEEEQUAD): Define.
178 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
180 * config/rs6000/rs6000.md: Enable TFmode patterns if
182 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
183 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
184 and -mlong-double-128 are incompatible.
185 * doc/invoke.texi (-mabi): Collect options together. Add
186 ibmlongdouble and ieeelongdouble.
188 2006-01-27 Richard Sandiford <richard@codesourcery.com>
190 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
192 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
193 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
194 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
195 * rtl.h (rtunion_def): Remove rt_ptr.
197 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
198 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
199 * config/i386/winnt.c (i386_pe_mark_dllexport)
200 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
202 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
204 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
206 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
210 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
211 pthread_key_delete. From John David Anglin. gthrw-ify
212 pthread_getunique_np only if it it's not a macro. Delete
214 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
215 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
216 __gthread_objc_condition_signal, __gthread_key_delete): Add
217 "__attribute__ ((__unused__))" to unused arguments.
218 (__gthread_recursive_mutex_init_function): Add missing return.
219 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
220 gthr-posix95.h: Use macro-based approach for name redirection
221 on targets missing weakref.
223 2006-01-26 Zack Weinberg <zackw@panix.com>
225 * genconditions.c (write_header): In generated code, #ifdef out
226 all includes and fake declarations, except includes of bconfig.h
227 and system.h, unless GCC_VERSION >= 3001. Do not include
228 gensupport.h in any case.
229 (write_conditions): Generate a definition of struct c_test. Add
230 a comment to the generated #endif.
231 (write_one_condition): Escape backslashes in string too.
232 (write_writer): Generated code must escape backslashes and quote
233 marks (but not newlines) in the strings it writes.
234 * Makefile.in (build/gencondmd.o): Update dependencies.
236 2006-01-26 Steve Ellcey <sje@cup.hp.com>
239 * Makefile.in (insn-automata.o): Add header file dependencies.
240 * genautomata.c: Add includes.
242 2006-01-26 Steve Ellcey <sje@cup.hp.com>
245 * Makefile.in (insn-automata.o): Add -Wno-error flag.
247 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
249 * configure.ac: Expect target tools paths to be passed from the toplevel
250 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
252 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
254 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
257 * c.opt (Wpointer-sign): Init to -1.
258 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
259 OPT_pedantic, to 0 otherwise.
260 * doc/invoke.texi: Update.
262 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
264 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
265 constants provided by 80387 instructions in the destination mode.
267 2006-01-26 Richard Guenther <rguenther@suse.de>
268 Andrew Pinski <pinskia@physics.uc.edu>
271 partial PR tree-opt/17064
272 * tree-ssa-structalias.c (intra_create_variable_infos):
273 Create heap variables for incoming parameters if
274 flag_argument_noalias > 1.
275 (find_what_p_points_to): Look through default defs of
278 2006-01-26 Jeff Law <law@redhat.com>
281 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
282 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
283 within the VR_RANGE, use the VR_RANGE as the result, not the
285 (adjust_range_with_scev): Reject ranges from SCEV which are out
286 of bounds for the type.
288 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
290 * tree-ssa-alias.c (maybe_create_global_var): Change
291 subvar walking to an assertion that we don't have subvar'd variables.
293 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
296 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
297 Use a new variable, inner. PARM_DECLs are always non-weak.
299 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
301 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
304 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
306 * config/mips/mips.md (*clear_upper32): New combiner pattern.
308 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
310 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
311 (smax_insn, smin_insn, smax_0, smin_0): New.
313 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
316 * config/cris/cris.c (cris_order_for_addsi3): New function.
317 * config/cris/cris-protos.h: Prototype it.
318 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
319 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
320 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
321 (split for "op.S1 [rx=rx+i],ry (swapped)")
322 (split for "op(s|u).S1 [rx=rx+i],ry")
323 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
324 Apply cris_order_for_addsi3 when generating addsi3 insns.
326 2006-01-25 Diego Novillo <dnovillo@redhat.com>
328 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
329 (TREE_BLOCK): Add call to EXPR_CHECK.
331 2006-01-25 Diego Novillo <dnovillo@redhat.com>
334 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
335 * tree-pretty-print.c (dump_omp_clause): Extract from ...
336 (dump_omp_clauses): ... here.
337 (dump_generic_node): Handle OMP_CLAUSE.
338 * tree.c (omp_clause_num_ops): New.
339 (omp_clause_code_name): New.
340 (tree_code_size): Handle OMP_CLAUSE.
341 (tree_size): Likewise.
342 (make_node): Document handling of OMP_CLAUSE.
343 (tree_node_structure): Handle OMP_CLAUSE.
344 (omp_clause_check_failed): New.
345 (omp_clause_range_check_failed): New.
346 (omp_clause_operand_check_failed): New.
347 (build_omp_clause): New.
348 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
349 * tree.h (enum omp_clause_code): Declare.
350 (OMP_CLAUSE_SUBCODE_CHECK): Define.
351 (OMP_CLAUSE_RANGE_CHECK): Define.
352 (OMP_CLAUSE_ELT_CHECK): Define.
353 (omp_clause_check_failed): Declare.
354 (omp_clause_operand_check_failed): Declare.
355 (omp_clause_range_check_failed): Declare.
356 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
357 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
358 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
359 (OMP_CLAUSE_LASTPRIVATE): Likewise.
360 (OMP_CLAUSE_IF_EXPR): Likewise.
361 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
362 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
363 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
364 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
365 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
366 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
367 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
368 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
369 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
370 (OMP_CLAUSE_CODE): Define.
371 (OMP_CLAUSE_SET_CODE): Define.
372 (OMP_CLAUSE_CODE): Define.
373 (OMP_CLAUSE_OPERAND): Define.
374 (struct tree_omp_clause): Declare.
375 (union tree_node): Add field 'omp_clause'.
376 * treestruct.def (TS_OMP_CLAUSE): Define.
377 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
378 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
379 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
380 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
381 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
382 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
383 (OMP_CLAUSE): Define.
384 * print-tree.c (print_node): Handle OMP_CLAUSE.
385 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
386 * c-typeck.c: Likewise.
387 * gimplify.c: Likewise.
389 * tree-nested.c: Likewise.
390 * tree-inline.c: Likewise.
391 * c-parser.c: Likewise.
392 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
395 2006-01-25 Roger Sayle <roger@eyesopen.com>
397 PR rtl-optimization/25703
398 * combine.c (try_combine): Handle zero_extract and strict_low_part
399 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
401 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
403 * global.c: Fix comment typos.
405 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
408 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
409 Use output_addr_const instead of assemble_name.
411 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
413 * Makefile.in (sched-vis.o): Update dependencies.
414 * haifa-sched.c (sched_finish): Clear current_sched_info.
415 * cfg.c (dump_bb_info): New, split from dump_flow_info.
416 (dump_flow_info): Call it.
417 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
419 * basic-block.h (dump_bb_info): Declare.
420 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
421 option, and apply options only for dump files whose TDF_RTL,
422 TDF_TREE, or TDF_IPA bits match.
423 * rtl.h: Declare new functions exported from sched-vis.c.
424 * sched-vis.c: Enable also if scheduling is not used.
425 (print_value): Print the mode of registers if not inside scheduling.
426 (print_insn): Make it work outside the scheduler. Beautify the output
428 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
430 2006-01-25 Richard Sandiford <richard@codesourcery.com>
432 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
433 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
434 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
435 depending on the value of CONSTANT_POOL_ADDRESS_P.
436 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
438 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
439 rather than SYMBOL_REF_DECL.
440 (rtx_constant_pool): Remove const_rtx_sym_htab.
441 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
442 (init_varasm_status): Don't initialize const_rtx_sym_htab.
443 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
444 Remove handling of const_rtx_sym_htab.
445 (find_pool_constant): Delete.
446 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
447 rather than find_pool_constant.
448 (get_pool_constant_for_function): Delete.
449 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
451 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
452 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
453 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
454 (SYMBOL_REF_CONSTANT): New macro.
455 (get_pool_constant_for_function): Delete.
456 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
457 rather than SYMBOL_REF_DECL.
458 (i386_pe_mark_dllimport): Likewise.
459 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
460 rather than SYMBOL_REF_DECL.
461 * config/darwin.c (machopic_indirect_data_reference): Likewise.
462 (machopic_indirect_call_target): Likewise.
464 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
466 * flow.c (delete_noop_moves): Add missing EOL to dump message.
468 2006-01-25 Richard Sandiford <richard@codesourcery.com>
470 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
472 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
474 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
476 2006-01-24 David Daney <ddaney@avtrex.com>
479 * configure.ac (enable_tls): New enable option.
480 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
481 * configure: Regenerate.
482 * doc/install.texi (--enable-tls): Document new option.
483 (--disable-tls): Ditto.
485 2006-01-24 Richard Henderson <rth@redehat.com>
487 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
488 * alias.c (true_dependence): Respect it.
489 (canon_true_dependence, write_dependence_p): Likewise.
490 * builtins.c (get_builtin_sync_mem): Set it.
492 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
494 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
497 2006-01-24 DJ Delorie <dj@redhat.com>
499 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
500 for storing constants in single-bit bitfields.
502 2006-01-25 Ben Elliston <bje@au.ibm.com>
504 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
506 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
509 * tree-ssa-pre.c (phi_translate): Return NULL
510 for AGGREGATE_TYPE's.
512 2006-01-24 Zack Weinberg <zackw@panix.com>
514 * genautomata.c (process_state_for_insn_equiv_partition):
515 Use xcalloc for insn_arcs_array.
516 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
517 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
519 2006-01-24 Richard Henderson <rth@redhat.com>
521 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
524 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
526 PR rtl-optimization/25890
527 PR rtl-optimization/25905
528 * combine.c (expand_compound_operation, expand_field_assignment):
529 Fail if the bitfield's final position is out of bounds.
531 2006-01-24 Ian Lance Taylor <ian@airs.com>
534 * cgraphunit.c (cgraph_output_in_order): Don't clear
535 cgraph_asm_nodes until after asm strings have been output.
537 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
539 * fix-header.c (read_scan_file): Add new parameter imultilib when
540 calling register_include_chains.
542 2006-01-23 Diego Novillo <dnovillo@redhat.com>
544 * omp-low.c: Update documentation.
546 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
547 Daniel Berlin <dberlin@dberlin.org>
551 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
552 return from the function.
554 2006-01-22 Zack Weinberg <zackw@panix.com>
556 * rtl.def (match_code): Add second argument.
557 * genpreds.c (write_extract_subexp): New function.
558 (write_match_code): Add path argument. Use write_extract_subexp.
559 (write_predicate_expr): Pass path to write_match_code.
560 (mark_mode_tests): MATCH_CODE applied to a subexpression does
561 not perform a mode test.
562 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
563 a subexpression does not constrain the top-level code set.
564 * read-rtl.c (read_rtx_variadic): New function.
565 (read_rtx_1): Use it; allow AND and IOR to be variadic.
566 * doc/md.texi: Document new notation.
567 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
568 (cmpsi_operand): ... here, using new notation.
570 2006-01-22 Zack Weinberg <zackw@panix.com>
572 * varray.c: Remove GENERATOR_FILE #ifdefs.
574 2006-01-22 Zack Weinberg <zackw@panix.com>
576 * genautomata.c (output_reserved_units_table): Emit nothing if
577 description->query_units_num is zero. Remove extra blank line.
578 (output_cpu_unit_reservation_p): Short circuit
579 if description->query_units_num is zero.
581 2006-01-22 Zack Weinberg <zackw@panix.com>
583 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
584 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
585 nor any of the random handful of variables that used to be necessary
586 when this program was linked with rtlanal.o. Prune set of forward
587 function declarations.
588 (struct attr_desc): Remove static_p field.
589 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
590 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
591 (attr_string): Do not read the character one past the length of
593 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
594 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
595 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
596 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
597 (make_automaton_attrs): New.
598 (main): Do not call into genautomata. Call local gen_bypass
599 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
600 Remove special case for insn_alts.
601 * genautomata.c: Include gensupport.h; not genattrtab.h nor
602 varray.h (leftover from previous change). Prune set of forward
603 function declarations. Remove state_alts fields from all
604 structures. Remove state_alts_table from struct automaton.
605 Make everything except main static. Do not maintain num_dfa_decls.
606 Do not maintain state_alts fields of various structures.
607 (process_decls): Don't validate condexp for dm_insn_reserv decls.
608 (add_arc): Remove state_alts argument. All callers updated.
609 (output_reserved_units_table): Emit #ifdef here...
610 (output_tables): ...not here. Don't generate state_alts tables.
611 (expand_automata): Don't generate attributes.
612 (write_automata): Don't generate state_alts functions.
613 (main): New function.
614 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
615 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
616 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
617 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
618 (BYPASS_P_FUNC_NAME, output_state_alts_table)
619 (output_automata_list_state_alts_code, output_internal_state_alts_func)
620 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
621 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
623 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
624 * genattrtab.h: Delete file.
625 * Makefile.in (OBJS-common): Add insn-automata.o.
626 (insn-automata.o): New rule.
627 (simple_generated_c): Add insn-automata.c.
628 (build/genattrtab.o, build/genautomata.o): Update dependencies.
629 (genprogmd): Add automata.
630 (build/genattrtab): Needs no extra objects nor libraries.
631 (build/genautomata): Needs build/vec.o and -lm.
633 2006-01-22 Zack Weinberg <zackw@panix.com>
635 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
636 (output_dfa_max_issue_rate, locked_states_num): Delete.
637 (struct automaton): Add locked_states field.
638 (output_dead_lock_vect): Save number of locked states in
639 automaton->locked_states. If it is zero, don't print anything.
640 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
641 (output_internal_dead_lock_func): Only test the dead_lock_vect
642 for automata that have locked states.
643 (output_statistics): Always print the number of locked states for
644 each automaton. Calculate total number of locked states here.
645 (write_automata): Don't call output_dfa_max_issue_rate.
646 * genattrtab.c: Define length_unit_log as a const variable.
647 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
648 max_insn_queue_index const.
649 * final.c (length_unit_log): Declare const.
650 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
652 2006-01-22 Zack Weinberg <zackw@panix.com>
654 * genautomata.c: Include vec.h, not varray.h.
655 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
656 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
657 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
658 VEC_* macros operating on appropriately typed vectors, or to
659 malloced arrays when the size is known in advance. Const-ify
660 many char* variables and function arguments. No functional changes.
661 * Makefile.in (build/varray.o): Delete rule.
662 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
663 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
665 2006-01-22 Zack Weinberg <zackw@panix.com>
667 * gensupport.c: Define get_insn_name and record_insn_name here.
668 (read_md_rtx): Call record_insn_name as appropriate.
669 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
670 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
671 * genpreds.c, genrecog.c: Don't define get_insn_name nor
673 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
674 (BUILD_VARRAY): Delete.
675 (genprognormal): Rename genprogmd. Fold in all programs from
676 genprognoprint; also attrtab.
677 (build/genattrtab): Just mention genautomata.o and varray.o.
678 Reorganize a bit, add comments to make the categories clearer.
680 2006-01-22 Zack Weinberg <zackw@panix.com>
682 * genconditions.c (condition_table, add_condition): Delete.
683 (write_conditions): Don't emit n_insn_conditions nor
684 insn_elision_unavailable. Issue the gcc version #ifdef here,
685 inside the table, with no #else clause ...
686 (write_header): ...not here.
687 (write_writer): New function.
688 (main): Don't initialize condition_table. Use add_c_test.
690 * gensupport.c (init_md_reader_args_cb): Handle multiple input
691 files on the command line.
692 (maybe_eval_c_test): Don't check insn_elision_unavailable.
693 Return -1 if there is no entry in the table, don't abort.
694 (add_c_test, traverse_c_tests): New functions.
695 * gensupport.h (insn_elision_unavailable, insn_conditions)
696 (n_insn_conditions): Delete declarations.
697 (add_c_test, traverse_c_tests): Declare.
698 * read-rtl.c: Include gensupport.h.
699 (read_conditions): New function.
700 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
701 (read_rtx_1): If we get EOF when we were looking for an initial
702 open paren, return 0. Call read_conditions when appropriate.
703 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
704 dummy-conditions.o. Eliminate references to insn-conditions.o,
705 or change them to build/gencondmd.o, as appropriate. Remove
706 insn-constants.h from $(simple_generated_h) and insn-conditions.c
707 from $(simple_generated_c). For all files remaining in those
708 two lists, add insn-conditions.md to the generator command line.
709 Give insn-constants.h/s-constants their own rules. Add rules
710 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
711 (build/read-rtl.o): Depend on gensupport.h.
712 (genprognormal): Include preds.
713 (genprogearly): Rename genprognoprint; only difference is now that
714 they don't link with $(BUILD_PRINT).
715 * dummy-conditions.c: Delete.
717 2006-01-22 Zack Weinberg <zackw@panix.com>
719 * genextract.c: Don't include insn-config.h. Do include vec.h.
720 Declare vectors of int, char, and locstr.
721 (locstr): New typedef.
722 (struct extraction): Make all array fields into bare pointers.
723 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
724 (insn_code_number): Delete.
725 (accum_extract): New struct.
726 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
727 (gen_insn): Take insn_code_number as an argument. Use an
728 accum_extract structure instead of loading data directly into
729 a struct extraction, and having to know how big it might get.
730 (walk_rtx): Operate entirely on an accum_extract structure.
731 (print_path): Avoid unnecessary use of printf.
732 (print_header): New function, split out of main. Distinguish
733 more carefully between an unrecognizable insn and an insn that
734 has the code number of a define_expand.
735 (main): Pass insn_code_number to gen_insn. Call print_header
736 only after parsing. Avoid unnecessary use of printf.
737 * Makefile.in (build/vec.o): New rule.
738 (build/genextract): Depend on build/vec.o.
739 (build/genextract.o): Don't depend on insn-config.h.
741 2006-01-22 Zack Weinberg <zackw@panix.com>
743 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
744 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
745 practical. Eliminate per-generator-program link rules.
747 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
750 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
751 with a call expr to ...
752 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
754 2006-01-23 Richard Guenther <rguenther@suse.de>
756 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
757 before make_edge with conditional EDGE_TRUE_VALUE.
759 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
760 Jan Hubicka <jh@suse.cz>
761 Richard Guenther <rguenther@suse.de>
763 PR rtl-optimization/25654
764 * cfgexpand.c (aggregate_contains_union_type): New function.
765 (add_alias_set_conflicts): Call it. Make sure to add conflicts
766 for structure variables that contain a union type.
768 2006-01-23 Richard Sandiford <richard@codesourcery.com>
770 * gengtype.c (new_structure): Return the structure.
771 (create_option): Add an extra "next" argument.
772 (create_field): New function.
773 (adjust_field_rtx_def): Use create_option and create_field.
774 Remove a now-unnecessary call to find_structure.
775 (adjust_field_tree_def): Likewise.
776 (note_yacc_type): Remove an unnecessary call to find_structure.
777 * gengtype.h (new_structure): Return the structure.
778 (create_option): Add an extra argument.
779 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
780 (option): Adjust calls to create_option.
782 2006-01-22 David Edelsohn <edelsohn@gnu.org>
784 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
786 2006-01-22 Paul Brook <paul@codesourcery.com>
787 Peter Barada <peter@the-baradas.com>
789 * config/m68k/m68k.md: Add Coldfire FPU support.
790 Define FP mode macro and associated attributes.
791 Use it for float mode patterns.
792 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
793 (LIBCALL_VALUE): Use m68k_libcall_value.
794 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
795 (m68k_function_value): Ditto.
796 (emit_move_sequence): Ditto.
797 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
798 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
799 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
800 (MULTILIB_EXCEPTIONS): Ditto.
801 * config/m68k/m68k.opt: Add mcfv4e.
802 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
803 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
804 (m68k_output_function_prologue): Save ColdFire FPU registers.
805 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
806 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
807 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
808 ColdFire FPU registers.
809 (m68k_libcall_value, m68k_function_value): New functions.
810 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
811 (LIBCALL_VALUE): Use m68k_libcall_value.
812 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
813 (MASK_COLDFIRE): Add MASK_CFV4E.
814 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
815 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
816 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
817 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
818 (GO_IF_LEGITIMATE_ADDRESS): Use it.
819 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
820 * doc/invoke.tex: Document -mcfv4e on m68k.
822 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
824 * doc/contribute.texi: Change CVS to SVN and update the corresponding
827 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
830 * c-opts.c (c_common_handle_option): Don't include
831 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
832 * doc/invoke.texi (C++ Dialect Options): Document that
833 -Wnon-virtual-dtor is no longer included in -Wall.
835 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
837 * gcov.c (print_version), gcov-dump.c (print_version),
838 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
841 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
843 * df-scan.c (problem_SCAN): Added NULL reset function.
844 (df_scan_reset_blocks): Added code to call reset block function
845 (df_bb_refs_delete) Fixed comment.
846 (df_insn_refs_delete): Made tolerant of deleting non existent info
847 for dataflow problems that need to be reset.
848 * df-core.c (df_set_blocks): Ditto.
849 * df.h (struct df_problem): Added reset_fun.
850 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
851 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
852 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
853 functions to clear out all references to def-use or use-def chains.
855 2006-01-21 Ben Elliston <bje@au.ibm.com>
857 * varasm.c (assemble_real): Initialise data array.
859 2006-01-20 Paul Brook <paul@codesourcery.com>
861 Merge from csl-arm-branch.
862 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
863 * config/arm/arm.md (movdi): Force operands[1] to a register
864 if we have a non-register source.
865 (*arm_movdi, *movdf_soft_insn): Require that one of the
866 operands be a register.
867 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
868 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
870 2006-01-20 DJ Delorie <dj@redhat.com>
872 * varasm.c (initialize_constant_valid_p): Allow pointers
873 initialized from integer constants of lesser precision.
874 (output_constant): Allow non-int-sized pointer modes to be
875 initialized from integer constants.
877 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
880 * cppdefault.h (struct default_include): Add multilib flag.
881 * cppdefault.c (cpp_include_defaults): Set it.
882 * c.opt (-imultilib): New option.
883 * c-opts.c (imultilib): New.
884 (c_common_handle_option): Handle -imultilib.
885 (c_common_post_options): Likewise.
886 * c-incpath.c (add_standard_paths, register_include_chains):
888 * c-incpath.h (register_include_chains): Add extra parameter.
889 * gcc.c (do_spec_1): Generate -imultilib option.
890 (The Specs Language): Update %I description.
891 (process_command): Update copyright notice.
892 * doc/cppopts.texi (-imultilib): Document.
893 * doc/invoke.texi (-imultilib): Include in option summary.
894 (%I): Update specs documentation.
896 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
898 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
900 2006-01-20 Richard Sandiford <richard@codesourcery.com>
902 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
905 2006-01-20 Richard Guenther <rguenther@suse.de>
906 Steven Bosscher <stevenb.gcc@gmail.com>
908 PR rtl-optimization/24626
909 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
910 EDGE_TRUE_VALUE if in RTL mode.
913 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
914 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
916 2006-01-20 Dirk Mueller <dmueller@suse.com>
919 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
920 instead of a special NOP marker.
921 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
923 * c-common.h (empty_body_warning): Add forward declaration.
924 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
925 Now uses IS_EMPTY_STMT() instead of special NOP markers.
927 2006-01-20 Paul Brook <paul@codesourcery.com>
929 * Makefile.in (lang_checks): Keep going if mkdir fails.
931 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
933 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
934 be able to clean out basic block when not necessary.
935 (df_scan_free): Fixed to properly delete information if df is
936 unused before calling df_finish.
937 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
938 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
940 (df_bb_refs_delete): New function.
941 (df_refs_delete): Moved per block code to df_bb_refs_delete.
942 * df-core.c (df_set_blocks): Added code to properly clean out
943 unused blocks if they are not part of the blocks to consider.
944 Added additional null check.
945 (df_compact_blocks): Added basic block parameter to free_bb_fun to
946 be able to clean out basic block when not necessary
947 * df.h (df_free_bb_function): Ditto.
948 (df_bb_refs_delete): New function.
949 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
950 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
951 basic block parameter to be able to clean out basic block when not
953 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
954 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
955 Fixed to properly delete information if df is unused before
958 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
960 PR rtl-optimization/25799
961 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
962 Corrected confluence operator to remove bits from op2 before oring
963 with op1 rather than removing bits from op1.
964 (df_ru_transfer_function): Corrected test on wrong bitmap which
965 caused infinite loop. Both of these problems were introduced in
966 the dataflow rewrite.
968 2006-01-19 DJ Delorie <dj@redhat.com>
970 * reload1.c (find_reload_regs): Note the details of reload
971 failures in the dump file.
972 (spill_failure): Likewise.
974 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
976 * loop-iv.c: Include df.h and hashtab.h.
977 (enum iv_grd_result): New enum.
978 (DF_REF_IV, DF_REF_IV_SET): New macros.
979 (struct biv_entry): New.
980 (df, bivs): New global variables.
981 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
982 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
984 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
985 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
986 analyzed_for_bivness_p, record_biv): New functions.
987 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
988 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
989 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
991 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
993 (iv_number_of_iterations): Use new interface to iv analysis.
994 * loop-unroll.c: Do not include varray.h.
995 (analyze_iv_to_split_insn): Use new interface to iv
997 * loop-unswitch.c (may_unswitch_on): Ditto.
998 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1000 (df_bb_modify): Realloc tables to the new index.
1001 (df_find_use): New function.
1002 * df.h (df_find_use): Declare.
1003 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1005 * cfgloop.h (struct rtx_iv): Remove analysed field.
1006 (iv_get_reaching_def): Removed.
1007 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1008 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1009 (loop-iv.o): Add df.h and hashtab.h dependency.
1010 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1012 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1014 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1016 (__floatundisf, __floatundidf): Likewise.
1017 * libgcc2.h (IS_IBM_EXTENDED): Define.
1019 2006-01-19 DJ Delorie <dj@redhat.com>
1021 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1023 2006-01-19 Paul Brook <paul@codesourcery.com>
1025 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1026 as nothrow when unwinding tables are disabled.
1028 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1031 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1032 of bit-field" when in system header.
1034 2006-01-19 DJ Delorie <dj@redhat.com>
1036 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1037 the 16 bit shift limit of the m16c.
1039 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1042 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1043 * config/i386/i386.c (output_set_got): Output the label if we have one
1044 for the TARGET_DEEP_BRANCH_PREDICTION case.
1046 2006-01-19 Jan Hubicka <jh@suse.cz>
1047 H.J. Lu <hongjiu.lu@intel.com>
1048 Evandro Menezes <evandro.menezes@amd.com>
1050 * invoke.texi (generic): Document
1052 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1053 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1054 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1055 (x86_use_incdec, x86_pad_returns): New variables
1056 (TARGET_CPU_DEFAULT_generic): New constant
1057 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1058 (enum processor_type): Add generic32 and generic64.
1059 * i386.md (cpu attribute): Add generic32/generic64
1060 (movhi splitter): Behave sanely when both partial_reg_dependency and
1061 partial_reg_stall are set.
1062 (K8 splitters): Enable for generic as well.
1063 * predicates.md (incdec_operand): Use TARGET_INCDEC
1064 (aligned_operand): Avoid memory mismatch stalls.
1065 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1066 * ppro.md: Enable for generic32
1067 * i386.c (generic64_cost, generic32_cost): New.
1068 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1069 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1070 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1071 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1072 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1073 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1074 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1075 x86_accumulate_outgoing_args, x86_prologue_using_move,
1076 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1077 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1079 (x86_use_incdec, x86_pad_returns): New.
1080 (override_options): Add generic32 and generic64, translate "generic"
1081 to generic32/generic64 and "i686" to "generic32", refuse
1082 "generic32"/"generic64" as arch target.
1083 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1084 (ix86_reorg): Honor PAD_RETURNS.
1086 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1088 * tree-pretty-print.c (dump_generic_node): Handle
1089 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1090 * cgraph.c (cgraph_expand_queue): Rename from
1091 cgraph_analyze_queue. Update all users.
1092 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1093 cgraph_expand_queue.
1094 (cgraph_expand_all_functions): Likewise.
1095 (cgraph_finalize_pending_functions): Remove. Update callers.
1097 * tree.h (OMP_DIRECTIVE_P): Define.
1098 (OMP_PARALLEL_FN): Define.
1099 (OMP_PARALLEL_DATA_ARG): Define.
1100 (OMP_SECTIONS_SECTIONS): Define.
1101 * tree-pass.h (pass_expand_omp): Declare.
1102 * omp-low.c (struct omp_region): Declare.
1103 (struct omp_context): Remove fields 'parallel_type',
1104 'parallel_start_ix' and 'parallel_start_additional_args'.
1106 (struct omp_for_data): Rename from struct expand_omp_for_data.
1107 (omp_regions): New static variable.
1108 (root_omp_region): New static variable.
1109 (find_omp_clause): Make static.
1110 (is_in_combined_parallel_ctx): Remove.
1111 (is_combined_parallel): New.
1112 (extract_omp_for_data): Move earlier in the file.
1113 (workshare_safe_to_combine_p): New.
1114 (get_ws_args_for): New.
1115 (determine_parallel_type): Move earlier in the file.
1116 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1118 (omp_copy_decl): Likewise.
1119 (create_omp_child_function): Likewise.
1120 (lookup_omp_region): New.
1121 (dump_omp_region): New.
1122 (debug_omp_region): New.
1123 (debug_all_omp_regions): New.
1124 (new_omp_region): New.
1125 (scan_omp_parallel): If parallel_nesting_level > 1, the
1126 directive is nested within another parallel directive.
1127 Set OMP_PARALLEL_FN.
1128 (scan_omp_for): Do not try to handle combined parallel+for
1130 Remove FIXME comment.
1131 (scan_omp_nested): Remove.
1132 (scan_omp_1): Do not call scan_omp_nested when
1133 parallel_nesting_level is > 1.
1134 Do not change the DECL_CONTEXT of local variables found.
1135 (lookup_decl_in_outer_ctx): New.
1136 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1137 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1138 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1139 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1140 If CTX is nested, lookup VAR in the outer context when
1141 building copy assignment.
1142 (lower_send_clauses): Rename from expand_send_clauses.
1143 If CTX is nested, lookup VAR in the outer context when
1144 building copy assignments.
1145 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1146 If CTX is nested, lookup VAR in the outer context when
1147 building copy assignments.
1148 (expand_parallel_call): Rename from build_parallel_call.
1149 Handle combined parallel+workshare cases.
1150 Re-implement to emit code into the CFG.
1152 (expand_omp_parallel): Re-implement to emit code into the CFG.
1153 Call move_sese_region_to_fn to outline the sub-graph
1154 containing the parallel region.
1155 (expand_omp_for_1): Remove.
1156 (expand_omp_for_generic): Re-implement to emit code into the
1158 (expand_omp_for_static_nochunk): Likewise.
1159 (expand_omp_for_static_chunk): Likewise.
1160 (expand_omp_for): Likewise.
1161 (expand_omp_sections): Likewise.
1162 (remove_exit_barriers): New.
1163 (expand_omp_synch): New.
1165 (build_omp_regions_1): New.
1166 (build_omp_regions): New.
1167 (execute_expand_omp): New.
1168 (gate_expand_omp): New.
1169 (pass_expand_omp): Define.
1170 (lower_omp_sections): Rename from expand_omp_sections.
1171 Set OMP_SECTIONS_SECTIONS.
1172 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1173 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1174 (lower_omp_single): Rename from expand_omp_simple.
1175 (lower_omp_master): Rename from expand_omp_master.
1176 (lower_omp_ordered): Rename from expand_omp_ordered.
1177 (lower_omp_critical): Rename from expand_omp_critical.
1178 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1179 (lower_omp_for): Re-implement.
1180 (lower_omp_parallel): Re-implement.
1181 (lower_regimplify): Rename from expand_regimplify.
1182 (lower_omp_1): Rename from expand_omp_1.
1183 If there are syntax errors in the program, replace every
1184 OpenMP directive with NOP.
1185 Call lower_omp_* instead of expand_omp_*.
1186 (lower_omp): Rename from expand_omp.
1188 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1189 * tree-gimple.h (enum omp_parallel_type): Remove.
1190 (gimple_boolify): Declare extern.
1191 (find_omp_clause, determine_parallel_type): Remove.
1193 * gimple-low.c (lower_omp_directive): New.
1194 (lower_stmt): Call it.
1195 (record_vars_into): Move from ...
1196 (record_vars): ... here.
1197 Call record_vars_into with current_function_decl.
1199 * gimplify.c (struct gimplify_ctx): Remove fields
1200 combined_pre_p and combined_ctxp. Update users.
1201 (get_formal_tmp_var): Add documentation.
1202 (gimple_boolify): Make extern.
1203 (gimplify_expr_in_ctx): Remove. Update callers.
1204 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1205 will always be a BIND_EXPR.
1206 (gimplify_expr): Handle OMP_RETURN_EXPR.
1207 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1208 (OMP_PARALLEL): Add 3 operands.
1209 (OMP_SECTIONS): Add 1 operand.
1210 (OMP_RETURN_EXPR): Define.
1212 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1213 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1214 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1215 creating a circular free list.
1216 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1218 * tree-flow.h (move_sese_region_to_fn): Declare.
1219 (record_vars_into): Declare.
1220 * tree-cfg.c (make_omp_sections_edges): New.
1221 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1222 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1223 OMP_SECTIONS and OMP_SECTION.
1224 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1225 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1226 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1227 (gather_blocks_in_sese_region): New.
1228 (struct move_stmt_d): Declare.
1230 (move_block_to_fn): New.
1231 (move_sese_region_to_fn): New.
1233 * passes.c (init_optimization_passes): Schedule
1234 pass_expand_omp after pass_init_datastructures.
1236 * tree-ssa-operands.c (get_expr_operands): Handle
1237 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1238 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1240 2006-01-19 Jeff Law <law@redhat.com>
1242 * tree-vrp.c (extract_range_from_assert): Refine the result range
1243 if the variable referenced by the ASSERT_EXPR has a range and
1244 either the tentative result range or the previous range is a
1247 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1249 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1251 2006-01-19 Jan Hubicka <jh@suse.cz>
1253 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1255 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1257 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1258 (expand_compound_operation, expand_field_assignment): Fail if the
1259 bit lengths of an extract operation are out of range.
1260 (make_extraction): Compute wanted_inner_mode based on the position
1261 and length of the extraction. Make it extraction_mode for non-constant
1262 positions, and do not modify offset in that case. When generating a
1263 new MEM, use a mode that can hold the extraction while keeping correct
1264 alignment. Remove code that supported MEMs wrapped by USEs.
1265 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1267 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1269 * config/s390/s390.md ("Y", "y"): New mode attribute.
1270 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1271 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1272 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1273 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1274 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1275 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1276 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1277 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1278 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1279 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1280 "addsi3", "subsi3"): Insn patterns removed.
1281 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1282 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1283 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1284 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1285 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1286 "*sub<mode>3_cconly2"): New insn patterns.
1287 ("addsi3", "subsi3"): New expanders.
1289 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1291 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1292 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1293 existing STMT_VINFO_VECTYPE if available.
1294 (vect_mark_relevant): Add special handling for stmts that are
1295 marked as STMT_VINFO_IN_PATTERN_P.
1296 (vect_analyze_loop): Call vect_pattern_recog.
1297 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1298 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1300 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1301 (vect_recog_func_ptr): New function-pointer type.
1302 * tree-vect-patterns.c: New file.
1303 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1304 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1305 (vect_pattern_recog_1): New functions.
1306 (vect_pattern_recog_funcs): New array of function pointers.
1308 * tree-vectorizer.h (ternary_op): New enum value.
1309 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1310 declaration. Revised documentation. Removed redundant dump prints.
1311 Removed redundant argument. Added support for reduction patterns.
1312 (vectorizable_reduction): Added support for reduction patterns.
1313 (vect_transform_stmt): Added support for patterns.
1315 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1316 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1317 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1318 (expand_widen_pattern_expr): New function.
1319 (init_optabs): Initialize new optabs udot_prod_optab,
1321 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1322 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1323 (expand_widen_pattern_expr): New function declaration.
1324 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1326 * tree-inline.c (estimate_num_insns_1): Added cases for new
1327 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1328 * tree-pretty-print.c (dump_generic_node): Likewise.
1329 (op_prio): Likewise.
1330 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1331 * tree-ssa-operands.c (get_expr_operands): Added case for
1333 * tree-vect-patterns.c (widened_name_p): New function.
1334 (vect_recog_dot_prod_pattern): Added function implementation.
1335 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1336 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1337 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1338 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1340 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1341 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1342 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1343 (init_optabs): Initialize new optabs widen_ssum_optab,
1345 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1346 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1347 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1348 use instead of type of def.
1349 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1350 function implementation.
1351 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1352 widen_ssumv8hi): New.
1354 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1357 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1360 * c-decl.c (add_flexible_array_elts_to_size): New function.
1361 (finish_decl): Use it.
1363 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1365 * diagnostic.h: Include options.h.
1366 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1367 dependancies for diagnostic.h.
1368 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1370 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1372 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1373 (ssa_ro_call_cache_valid): Ditto.
1374 * tree-ssa-alias.c (sort_tags_by_id): New function.
1375 (init_transitive_clobber_worklist): Ditto.
1376 (add_to_worklist): Ditto.
1377 (mark_aliases_call_clobbered): Ditto.
1378 (compute_tag_properties): Ditto.
1379 (set_initial_properties): Ditto.
1380 (compute_call_clobbered): Ditto.
1381 (compute_may_aliases): Call compute_call_clobbered and grouping.
1382 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1383 (compute_flow_insensitive_aliasing): Grouping now happens in our
1385 (setup_pointers_and_addressables): Remove clobbering related code.
1386 (add_may_alias): Ditto.
1387 (replace_may_alias): Ditto.
1388 (get_nmt_for): Ditto.
1389 (create_global_var):
1390 (is_escape_site): Return an escape_type enumeration.
1391 * tree-flow-inline.h (is_call_clobbered): Global var does not
1392 imply call clobbered.
1393 (mark_call_clobbered): Take a reason for marking this. Remove
1394 marking of globalness, and cache invalidation.
1395 (clear_call_clobbered): Remove cache invalidation code.
1396 * tree-dfa.c (dump_variable): If details is on, dump the reason
1398 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1400 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1401 (struct var_ann_d): Ditto.
1402 (enum escape_type): New.
1403 (mark_call_clobbered): Adjust prototype.
1404 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1405 are never call clobbered.
1406 Record reasons for escaping.
1407 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1408 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1409 (ssa_ro_call_cache_valid): Ditto.
1410 (clobbered_v_may_defs): Ditto.
1411 (clobbered_vuses): Ditto.
1412 (ro_call_vuses): Ditto.
1413 (clobber_stats): New.
1414 (init_ssa_operands): Zero out clobber stats.
1415 (fini_ssa_operands): Print out clobber stats.
1416 (get_call_expr_operands): Pass callee fndecl to
1418 (add_call_clobber_ops): Remove use of cache.
1419 Add use of PURE_CONST information.
1420 (add_call_read_ops): Remove use of cache.
1421 Add use of static not_read information.
1423 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1425 Introduce TLS descriptors for i386 and x86_64.
1426 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1427 (TARGET_ANY_GNU_TLS): New macro.
1428 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1429 (struct machine_function): Add tls_descriptor_call_expanded_p.
1430 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1431 (ix86_current_function_calls_tls_descriptor): Likewise.
1432 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1433 (override_options): Introduce gnu2 tls dialect.
1434 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1436 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1438 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1439 (ix86_init_machine_status): Initialize new field.
1440 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1441 (ix86_tls_module_base): New.
1442 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1443 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1444 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1445 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1446 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1447 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1448 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1449 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1450 * config/i386/predicates.md (tls_modbase_operand): New.
1451 (tp_or_register_operand): New.
1453 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1455 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1456 (look_for_address_of): Ditto.
1457 (ipa_init): Walk the function decls.
1458 (static_execute): Don't set readonly on FUNCTION_DECL's.
1460 2006-01-18 Roger Sayle <roger@eyesopen.com>
1462 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1463 for shifts where the source and destination registers are different.
1465 2006-01-18 Paul Brook <paul@codesourcery.com>
1467 Merge from csl-arm-branch.
1468 2005-03-14 Julian Brown <julian@codesourcery.com>
1469 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1470 (aeabi_llsl): Likewise.
1471 (ashrdi3): Likewise.
1472 (aeabi_lasr): Likewise.
1473 (lshrdi3): Likewise.
1474 (aeabi_llsr): Likewise.
1475 2005-03-10 Julian Brown <julian@codesourcery.com>
1476 * config.gcc: Disable shared libgcc for SymbianOS.
1477 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1479 2006-01-18 DJ Delorie <dj@redhat.com>
1481 * c-pragma.c (handle_pragma_diagnostic): New.
1482 (init_pragma): Register it.
1483 * doc/extend.texi: Document it.
1485 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1486 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1487 (diagnostic_context): Add classify_diagnostic[].
1488 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1489 as errors if they're overridden to DK_WARNING.
1490 (diagnostic_initialize): Initialize classify_diagnostic[].
1491 (diagnostic_set_kind_override): New.
1492 (diagnostic_report_diagnostic): Check for kind changes.
1493 * opts.c (common_handle_option): Take lang_mask. Update callers.
1495 * common.opt (Werror=): New.
1496 * doc/invoke.texi: Document -Werror=*
1498 2006-01-18 Jeff Law <law@redhat.com>
1500 * tree-vrp.c (test_for_singularity): Correct test for new
1501 min limit. Use operand_equal_p rather than pointer equality
1502 for testing if new min/max values are equal.
1504 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1505 using range information until after propagation and folding.
1507 2006-01-18 Richard Henderson <rth@redhat.com>
1508 Aldy Hernandez <aldyh@redhat.com>
1509 Jakub Jelinek <jakub@redhat.com>
1510 Diego Novillo <dnovillo@redhat.com>
1512 * omp-low.c: New file.
1513 * c-omp.c: New file.
1515 2006-01-18 Richard Henderson <rth@redhat.com>
1516 Jakub Jelinek <jakub@redhat.com>
1517 Diego Novillo <dnovillo@redhat.com>
1519 * doc/invoke.texi: Document -fopenmp.
1520 * tree-dump.h (debug_function): Declare.
1521 * hooks.c (hook_bool_tree_bool_false): New function.
1522 (hook_tree_tree_null): Remove.
1523 (hook_tree_tree_tree_null): New.
1524 * hooks.h: Update to match.
1525 * tree-pretty-print.c (debug_tree_chain): New.
1526 (print_generic_expr): Handle TDF_CHAIN.
1527 (dump_generic_node): Handle BLOCK.
1528 Do not abort with incomplete SWITCH_EXPRs.
1529 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1530 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1531 print space after directive name.
1532 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1533 Handle OMP_MASTER and OMP_ORDERED.
1534 Handle printing of OMP_BODY just in one place, goto
1535 dump_omp_body in the rest of OMP_* nodes that have
1537 Don't handle clause nodes here. Update omp statements to
1538 use dump_omp_clauses.
1539 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1540 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1541 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1542 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1543 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1544 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1545 Adjust output for GOMP_PARALLEL.
1546 (dump_omp_clauses): New.
1547 (print_declaration): Dump DECL_VALUE_EXPR.
1548 (op_symbol_1): Split out of op_symbol.
1549 (dumping_stmts): Remove. Update all users.
1550 * cgraph.c (cgraph_analyze_queue): New.
1551 (cgraph_add_new_function): New.
1552 * cgraph.h (cgraph_analyze_queue): Declare.
1553 (cgraph_add_new_function): Declare.
1554 (cgraph_lower_function): Remove.
1555 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1556 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1557 and TYPE_P nodes in its default clause.
1558 (empty_body_p): New.
1559 (tree_range_check_failed): New.
1561 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1562 OMP_CLAUSE_REDUCTION_MERGE,
1563 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1564 OMP_CLAUSE_PRIVATE_DEBUG,
1565 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1566 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1567 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1568 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1569 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1570 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1571 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1572 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1573 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1574 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1575 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1576 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1577 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1578 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1579 (TREE_RANGE_CHECK): New.
1580 (empty_body_p): Declare.
1581 (enum omp_clause_default_kind): New.
1582 (build_string_literal): Declare.
1583 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1584 (build5_stat, build5): Declare.
1585 * tree-pass.h (TDF_CHAIN): Define.
1586 * tree-pass.h (PROP_gimple_lomp): Define.
1587 (pass_lower_omp): Declare.
1588 * diagnostic.h (debug_tree_chain): Declare.
1589 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1591 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1592 * builtins.c (build_string_literal): Make extern.
1593 * gcc.c (include_spec_function): New.
1594 (static_spec_functions): Add it.
1595 (main): Move load of libgomp.spec ...
1596 (LINK_COMMAND_SPEC): ... here.
1597 (link_gomp_spec): New.
1598 (static_specs): Include it.
1599 (LINK_COMMAND_SPEC): Add link_gomp.
1600 (GOMP_SELF_SPECS): New.
1601 (driver_self_specs): Include it.
1602 (switch_matches): Don't mark inline.
1603 (main): Load libgomp.spec.
1604 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1605 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1606 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1607 * tree-gimple.h (enum omp_parallel): Declare.
1608 (determine_parallel_type): Declare.
1609 (omp_firstprivatize_variable): Declare.
1610 (omp_reduction_init): Declare.
1611 (diagnose_omp_structured_block_errors): Declare.
1612 (struct walk_stmt_info): Add want_return_expr.
1613 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1614 (find_omp_clause): Declare.
1615 (insert_field_into_struct): Declare.
1616 (struct walk_stmt_info): Move from tree-nested.c
1617 (walk_stmts): Declare.
1618 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1620 * cgraphunit.c (cgraph_lower_function): Make static.
1621 (cgraph_finalize_pending_functions): New.
1622 (cgraph_finalize_function): Call it.
1623 (cgraph_finalize_compilation_unit): Likewise.
1624 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1625 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1626 (BT_FN_UINT_UINT): New.
1627 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1628 DEF_FUNCTION_TYPE_VAR_4): Document.
1629 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1630 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1631 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1632 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1633 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1634 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1635 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1636 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1637 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1638 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1639 into separate files.
1640 (DEF_GOMP_BUILTIN): New.
1641 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1642 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1643 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1644 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1645 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1646 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1647 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1648 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1649 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1650 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1651 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1652 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1653 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1654 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1655 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1656 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1657 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1658 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1659 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1660 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1661 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1662 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1663 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1664 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1665 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1666 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1667 * sync-builtins.def: New file, moved from builtins.def.
1668 * omp-builtins.def: New file, moved from builtins.def.
1669 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1670 * gimple-low.c (lower_function_body): Clear data.
1671 (lower_stmt): Do not handle COMPOUND_EXPR.
1672 Remove call to print_node_brief.
1673 * c-tree.h (c_finish_omp_clauses): New prototype.
1674 (C_DECL_THREADPRIVATE_P): Define.
1675 (lookup_name_no_remap, c_omp_remap_private): Remove
1676 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1677 (check_for_loop_decls): Update decl.
1678 (lookup_name_no_remap, c_omp_remap_private): Declare.
1679 (build_indirect_ref, build_modify_expr, pushdecl,
1680 pushdecl_top_level): Move to c-common.h.
1681 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1682 before the switch, but just in the 2 places that need it.
1683 * c-decl.c (diagnose_mismatched_decls): Do not check for
1684 mismatched thread-local attributes when OLDDECL is marked
1685 threadprivate and NEWDECL has no thread-local attributes.
1686 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1687 (c_gimple_diagnostics_recursively): Rename from
1688 c_warn_unused_result_recursively. Invoke
1689 diagnose_omp_structured_block_errors.
1690 (check_for_loop_decls): Return a singular decl found.
1691 * langhooks.c (lhd_omp_predetermined_sharing): Return
1692 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1693 (lhd_omp_firstprivatize_type_sizes): New.
1694 (lhd_omp_assignment): New.
1695 (lhd_omp_predetermined_sharing): New.
1696 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1697 (struct lang_hooks_for_types): Add
1698 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1699 omp_predetermined_sharing, omp_disregard_value_expr,
1700 omp_private_debug_clause, omp_clause_default_ctor,
1701 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1702 (c_finish_omp_clauses): New.
1703 (c_finish_bc_stmt): Diagnose break within omp for.
1704 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1705 (build_unary_op): Return error_mark after reporting
1707 (build_modify_expr): Likewise.
1708 * gimplify.c: Include optabs.h and pointer-set.h.
1709 (enum gimplify_omp_var_data): Declare.
1710 (struct gimplify_omp_ctx): Declare.
1711 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1713 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1714 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1715 (splay_tree_compare_decl_uid): New.
1716 (new_omp_context): New.
1717 (delete_omp_context): New.
1718 (gimple_add_tmp_var): Call omp_add_variable.
1719 (gimplify_bind_expr): Likewise.
1720 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1721 true, disregard DECL_VALUE_EXPR on the decl if any.
1722 (gimplify_expr_in_ctx): New.
1723 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1724 omp_add_variable, omp_notice_variable, omp_is_private
1725 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1726 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1727 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1728 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1729 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1730 gimplify_omp_atomic): New.
1731 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1732 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1733 OMP_CRITICAL and OMP_ATOMIC.
1734 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1735 * c-pragma.h (enum pragma_kind): Add
1736 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1737 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1738 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1739 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1740 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1741 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1742 PRAGMA_OMP_THREADPRIVATE.
1743 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1744 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1745 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1746 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1747 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1748 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1749 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1750 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1751 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1752 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1753 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1754 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1755 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1757 (struct nesting_info): Add field_map,
1758 suppress_expansion, debug_var_chain.
1759 (create_nesting_tree): Initialize them.
1760 (lookup_field_for_decl): Use field_map.
1761 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1762 (convert_local_omp_clauses): New.
1763 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1764 (walk_body): Split out of walk_function.
1765 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1766 (convert_nonlocal_reference): Handle omp statements.
1767 (convert_local_reference): Likewise.
1768 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1769 (unnest_nesting_tree): New.
1770 (lower_nested_functions): Call it.
1771 (insert_field_into_struct): Make extern.
1772 (struct walk_stmt_info): Move to tree-gimple.h.
1773 (walk_stmts): Make extern.
1774 * omp-builtins.def: New file.
1775 * tree-iterator.c (expr_only): Clarify comment.
1776 * c-common.h (pushdecl_top_level, pushdecl,
1777 build_modify_expr, build_indirect_ref,
1778 c_finish_omp_master, c_finish_omp_critical,
1779 c_finish_omp_ordered, c_finish_omp_barrier,
1780 c_finish_omp_atomic, c_finish_omp_flush,
1781 c_finish_omp_for, c_split_parallel_clauses,
1782 omp_clause_default_kind, c_omp_sharing_predetermined,
1783 c_omp_remap_decl): Declare.
1784 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1785 (OBJS-common): Add omp-low.o.
1786 (c-omp.o, omp-low.o): Add.
1787 (gimplify.o): Add dependency on $(OPTABS_H).
1788 (GTFILES): Add omp-low.c.
1789 (gt-stringpool.h): Add.
1790 * tree-cfg.c (set_bb_for_stmt): Do not update the
1791 block-to-labels map if we are currently expanding to RTL.
1792 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1794 Handle IDENTIFIER_NODE.
1795 (tree_verify_flow_info): Do not ICE when emitting error
1796 messages about invalid labels.
1797 (dump_function_to_file): Reset CFUN before emitting the body
1799 (debug_function): New.
1800 * passes.c (init_optimization_passes): Schedule
1802 * langhooks-def.h (lhd_omp_predetermined_sharing,
1803 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1805 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1806 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1807 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1808 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1809 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1810 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1811 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1812 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1813 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1814 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1815 (LANG_HOOK_DECLS): Use them.
1817 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1818 Richard Henderson <rth@redhat.com>
1819 Jakub Jelinek <jakub@redhat.com>
1820 Diego Novillo <dnovillo@redhat.com>
1822 * c-parser.c (pragma_omp_clause): Define.
1823 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1824 (c_parser_compound_statement): Likewise.
1825 (c_parser_statement): Likewise.
1826 (c_parser_pragma): Handle omp pragmas.
1827 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1828 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1829 (c_parser_omp_clause_name, check_no_duplicate_clause,
1830 c_parser_omp_variable_list,
1831 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1832 c_parser_omp_clause_copyprivate,
1833 c_parser_omp_clause_default,
1834 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1835 c_parser_omp_clause_lastprivate,
1836 c_parser_omp_clause_nowait,
1837 c_parser_omp_clause_num_threads,
1838 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1839 c_parser_omp_clause_reduction,
1840 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1841 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1842 c_parser_omp_atomic, c_parser_omp_barrier,
1843 c_parser_omp_critical, c_parser_omp_flush,
1844 c_parser_omp_for_loop, c_parser_omp_for,
1845 c_parser_omp_master, c_parser_omp_ordered,
1846 c_parser_omp_sections_scope, c_parser_omp_sections,
1847 c_parser_omp_parallel, c_parser_omp_single,
1848 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1849 * c-pragma.c (init_pragma): Do omp pragma registration here.
1850 * c.opt (fopenmp): New flag.
1852 2006-01-18 Eric Christopher <echristo@apple.com>
1854 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1855 * config/darwin.h (GOMP_SELF_SPECS): Define.
1857 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1859 * rtl.h: Remove the prototype for reg_alloc.
1861 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1864 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1865 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1866 sjlj and dwarf2 exception handling.
1867 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1868 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1869 * pa/pa.c (function_value): Treat complex and vector types as
1871 (function_arg): Likewise. Only pass scalar floats in the floating
1872 point argument registers.
1873 * pa/t-slibgcc-dwarf-ver: New file.
1874 * pa/t-slibgcc-sjlj-ver: New file.
1875 * pa/t-slibgcc-elf-ver: Delete file.
1877 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1879 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1880 unlikely_test_section_p test.
1882 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1884 * mode-switching.c (optimize_mode_switching): Make it static.
1885 * basic-block.h: Remove the prototype for
1886 optimize_mode_switching.
1888 * modulo-sched.c (sms_schedule): Make it static.
1889 * rtl.h: Remove the prototype for sms_schedule.
1891 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1892 * rtl.h: Remove the prototype for gcse_after_reload_main.
1894 * reg-stack.c (reg_to_stack): Make it static.
1895 * rtl.h: Remove the prototype for reg_to_stack.
1897 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1899 * rtl.h: Remove the prototypes for regrename_optimize and
1900 copyprop_hardreg_forward.
1902 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1904 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1905 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1906 Test against the appropriate null constant for the mode.
1907 If 'fixup_overlap' is true, swap the operands if they overlap.
1908 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1909 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1910 alpha_split_tmode_pair and adjust for above change.
1911 * config/alpha/alpha.md (movtf_internal): Adjust call to
1912 alpha_split_tfmode_pair and rely on it to swap the operands.
1913 (movti_internal): New insn and post-reload splitter.
1914 (movti): New expander.
1916 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1918 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1921 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1923 * rtlanal.c (global_reg_mentioned_p_1,
1924 global_reg_mentioned_p): Remove.
1925 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1927 * flow.c (initialize_uninitialized_subregs): Make it static.
1928 * rtl.h: Remove the prototype for
1929 initialize_uninitialized_subregs.
1931 * function.c (instantiate_virtual_regs): Make it static.
1932 * function.h: Remove the prototype for
1933 instantiate_virtual_regs.
1935 * regmove.c (regmove_optimize, combine_stack_adjustments):
1937 * rtl.h: Remove the prototypes for regmove_optimize and
1938 combine_stack_adjustments.
1940 2006-01-17 Roger Sayle <roger@eyesopen.com>
1942 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1943 (size_cost): Encode costs in bytes so that a reg-reg addition is
1944 equivalent to COSTS_N_INSNS(1).
1945 (override_options): Use the size_cost.branch_cost as the default
1946 ix86_branch_cost when optimizing for size.
1948 2006-01-18 Ben Elliston <bje@au.ibm.com>
1950 * Makefile.in (D32PBIT_FUNCS): New.
1951 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1952 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1953 D64PBIT_FUNCS and D128PBIT_FUNCS.
1954 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1955 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1957 (decnumber_dep): Define.
1958 * doc/libgcc.texi (Decimal float library routines): New node.
1959 * config/dfp-bit.h, config/dfp-bit.c: New files.
1961 2006-01-18 Ben Elliston <bje@au.ibm.com>
1963 * expr.c (emit_move_change_mode): Always adjust addresses, not
1964 just during reload. Copy replacements only during reload.
1965 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1966 emit_move_via_integer.
1968 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1970 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1971 instead of $(srcdir) and ${srcdir}.
1973 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1977 * arm.h (struct machine_function): Add pic_reg.
1978 * arm.c (arm_pic_register): Make unsigned.
1979 (arm_override_options): Only set arm_pic_register if
1980 TARGET_SINGLE_PIC_BASE.
1981 (use_return_insn): Only test for a pic register if it is fixed.
1982 (arm_compute_save_reg0_reg12_mask): Likewise.
1983 (thumb_compute_save_reg_mask): Likewise.
1984 (legitimate_pic_operand): Factor out some known invariants.
1985 (legitimize_pic_address): If we don't have a fixed pic register,
1986 then set up a pseudo in the function entry sequence. Handle the
1987 pic base being in a pseudo.
1988 (arm_load_pic_register): Handle the pic register being in a pseudo.
1989 (arm_expand_prologue): Only set up the pic register if it is fixed.
1990 (thumb_expand_prologue): Likewise.
1991 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1992 (pic_load_addr_based_insn): Likewise.
1993 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1996 2006-01-18 Ben Elliston <bje@au.ibm.com>
1998 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1999 decimal float modes for all floating point registers.
2001 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2002 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2004 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2007 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2008 even when the pointer is not NULL.
2010 2006-01-16 Ian Lance Taylor <ian@airs.com>
2012 * common.opt (ftoplevel-reorder): New option.
2013 * cgraph.c (cgraph_asm_nodes): New global variable.
2014 (cgraph_asm_last_node): New static variable.
2015 (cgraph_order): New global variable.
2016 (cgraph_create_node): Set new order field.
2017 (cgraph_varpool_node): Likewise.
2018 (decide_is_variable_needed): Return true if not
2019 flag_toplevel_reorder.
2020 (cgraph_add_asm_node): New function.
2021 * cgraph.h (struct cgraph_node): Add order field.
2022 (struct cgraph_varpool_node): Add order field.
2023 (struct cgraph_asm_node): Define.
2024 (cgraph_asm_nodes, cgraph_order): Declare.
2025 (cgraph_add_asm_node): Declare.
2026 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2028 (cgraph_varpool_assemble_pending_decls): Call it.
2029 (cgraph_output_pending_asms): New static function.
2030 (cgraph_finalize_compilation_unit): Call it.
2031 (struct cgraph_order_sort): Define.
2032 (cgraph_output_in_order): New static function.
2033 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2034 !flag_toplevel_reorder case.
2035 * c-parser.c: Include "cgraph.h".
2036 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2038 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2039 than -fno-unit-at-a-time.
2040 * doc/invoke.texi (Option Summary): Mention
2041 -fno-toplevel-reorder.
2042 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2043 -funit-at-a-time documentation.
2045 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2046 Kazu Hirata <kazu@codesourcery.com>
2048 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2050 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2052 * Makefile.in (FUNCTION_H): New. Use it instead of
2053 function.h throughout the file.
2054 * function.h: Include tree.h.
2056 2006-01-17 Ben Elliston <bje@au.ibm.com>
2058 * recog.c: Separate some functions with whitespace.
2060 2006-01-16 Richard Henderson <rth@redhat.com>
2062 Merge from gomp branch:
2063 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2064 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2065 and rename from struct inline_data. Rename callee* to dst*;
2066 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2067 transform_new_cfg, transform_return_to_modify, and
2068 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2070 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2071 (copy_decl_for_dup): Remove.
2072 * tree-inline.c (struct inline_data): Move to header.
2073 (insert_decl_map): Export.
2074 (remap_decl): Update for member name changes. Use copy_decl hook.
2075 Allow for replacement to be a non-decl. Remove dead code.
2076 (remap_type_1): Check for existing mapping.
2077 (remap_type): Export.
2078 (remap_decls): Update for member name changes.
2079 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2080 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2081 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2082 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2083 (tree_function_versioning, build_duplicate_type): Likewise.
2084 (copy_body_r): Likewise. Export.
2085 (copy_decl_for_dup): Split into ...
2086 (copy_decl_for_dup_finish, copy_decl_to_var,
2087 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2088 (replace_ref_tree, inlining_p): Remove.
2090 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2092 * ifcvt.c (if_convert): Make it static.
2093 * rtl.h: Remove the prototype for if_convert.
2095 * local-alloc.c (local_alloc): Make it static.
2096 * rtl.h: Remove the prototype for local_alloc.
2098 * loop.c (loop_optimize): Make it static.
2099 * cfgloop.h: Remove the prototype for loop_optimize.
2102 2006-01-16 DJ Delorie <dj@redhat.com>
2104 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2107 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2109 * pa.md: Disparage copies between general and floating-point registers
2110 in 32-bit move patterns.
2112 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2115 * Makefile.in (check-%): Depend on site.exp instead of
2116 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2119 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2121 * global.c (global_alloc): Make it static.
2122 * rtl.h: Remove the prototype for global_alloc.
2124 2006-01-16 Richard Guenther <rguenther@suse.de>
2126 * tree-ssa-alias.c (struct used_part): Add write_only field.
2127 (get_or_create_used_part_for): Initialize it to true.
2128 (create_overlap_variables_for): Don't create structure variables
2129 for structures that only are written to.
2130 (find_used_portions): Handle MODIFY_EXPR to track whether a
2131 structure is only written to.
2133 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2135 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2137 * basic-block.h: Remove the prototype for
2138 partition_hot_cold_basic_blocks.
2140 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2142 * cppspec.c (lang_specific_spec_functions): Remove.
2143 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2144 * gcc.h (lang_specific_spec_functions): Remove.
2145 * gccspec.c (lang_specific_spec_functions): Remove.
2147 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2149 * combine.c (record_value_for_reg): Invalidate registers
2151 (record_dead_and_set_regs_1): Likewise, by passing them to
2152 record_value_for_reg.
2153 (record_dead_and_set_regs): Invalidate stores made by a
2154 call. We do not combine across a call, but we still
2155 relied on equivalences.
2157 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2159 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2160 vrp_int_const_binop returning non-constant nodes.
2162 2006-01-16 Paul Brook <paul@codesourcery.com>
2164 * config/m68k/m68k.c (output_move_const_into_data_reg):
2165 Output correct mnemonic for mvz and mvs.
2167 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2169 * rtl-factoring.c: Add sequence abstraction algorithm.
2170 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2171 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2173 (block_has_preserve_label): New function.
2174 * common.opt: Register new pass.
2175 * Makefile.in: Ditto.
2177 * timevar.def: Ditto.
2178 * tree-pass.h: Ditto.
2179 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2180 * rtl.h (make_jump_insn_raw): Add forward decl.
2181 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2183 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2184 Roger Sayle <roger@eyesopen.com>
2186 * fold-const.c (fold_minmax): New static function.
2187 (fold_binary) <MIN_EXPR>: Call it.
2188 <MAX_EXPR>: Likewise.
2189 * stor-layout.c (place_field): Use DECL_SIZE consistently
2190 in the computation of the new record size.
2192 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2194 * cse.c (cse_condition_code_reg): Make it static.
2195 * rtl.h: Remove the prototype for cse_condition_code_reg.
2197 * combine.c (combine_instructions): Make it static.
2198 * rtl.h: Remove the prototype for combine_instructions.
2200 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2203 * tree.c (get_file_function_name_long): Concatenate the first global
2204 object name with a string derived from the input filename of the object
2207 2006-01-16 Ben Elliston <bje@au.ibm.com>
2209 * config/i386/winnt-stubs.c: Update FSF address.
2210 * config/xtensa/ieee754-df.S: Ditto.
2211 * config/xtensa/ieee754-sf.S: Ditto.
2213 2006-01-14 Ian Lance Taylor <ian@airs.com>
2215 * ifcvt.c (noce_init_if_info): New static function, broken out of
2216 noce_process_if_block.
2217 (noce_process_if_block): Call noce_init_if_info.
2218 (check_cond_move_block): New static function.
2219 (cond_move_process_if_block): New static function.
2220 (process_if_block): Call cond_move_process_if_block.
2222 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2224 * cselib.c (hash_table): Rename to cselib_hash_table.
2225 (cselib_clear_table, discard_useless_values,
2226 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2227 cselib_init, cselib_finish): Adjust uses of hash_table.
2229 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2231 PR tree-optimization/25485
2232 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2233 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2234 is known to be false and true, respectively.
2236 2006-01-14 Richard Guenther <rguenther@suse.de>
2238 PR tree-optimization/22548
2239 PR tree-optimization/22555
2240 PR tree-optimization/22501
2241 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2242 * params.def (salias-max-array-elements): New parameter.
2243 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2244 * doc/invoke.texi (salias-max-array-elements): Document.
2245 * tree-flow-inline.h (var_can_have_subvars): We also handle
2247 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2249 * tree-ssa-structalias.c (params.h): Include.
2250 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2251 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2252 (get_constraint_for): For ADDR_EXPR operating on something
2253 containing an ARRAY_REF, add all subvars to the solution.
2254 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2255 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2256 for creating MUST_DEFs.
2257 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2259 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2261 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2263 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2264 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2265 number_of_iterations_le): New functions.
2266 (number_of_iterations_special): Removed.
2267 (number_of_iterations_exit): Do not use number_of_iterations_special.
2268 * tree.c (unsigned_type_for): Always return integer type.
2270 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2271 Richard Guenther <rguenther@suse.de>
2273 PR rtl-optimization/24257
2274 * gcse.c (find_moveable_store): Only consider a store movable
2275 when the SET_SRC of the insn can be assigned to a register.
2277 2006-01-14 Ian Lance Taylor <ian@airs.com>
2279 * tree.c (tree_not_class_check_failed): New function.
2280 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2281 (tree_not_class_check_failed): Declare.
2283 2006-01-13 Ian Lance Taylor <ian@airs.com>
2285 * reload1.c (do_output_reload): Add assertion rejecting a
2288 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2290 * combine.c (struct reg_stat): Add new fields truncation_label and
2292 (record_value_for_reg): Reset truncated_to_mode.
2293 (record_truncated_value): New function.
2294 (check_promoted_subreg): Call it. Rename to check_conversions.
2295 (combine_instructions): Rename check_promoted_subreg to
2297 (reg_truncated_to_mode): New function.
2298 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2299 (gen_lowpart_or_truncate): New function.
2300 (force_to_mode): Use it instead of gen_lowpart.
2302 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2304 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2305 VAR is a tag, not its type tag.
2307 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2309 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2310 alternatives to match style of other entries.
2311 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2313 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2315 PR tree-optimization/25771
2316 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2319 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2322 * tree-inline.c (declare_return_variable): If the return variable
2323 was marked as a non gimple complex, set the return slot variable
2324 to be a non gimple comple variable.
2326 2006-01-13 Richard Guenther <rguenther@suse.de>
2328 * builtins.c (expand_builtin_sincos): New function.
2329 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2331 (expand_builtin): Expand sincos using expand_builtin_sincos.
2333 2006-01-12 DJ Delorie <dj@redhat.com>
2335 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2336 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2337 so that constant shifts can be split.
2338 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2339 (m32c_valid_pointer_mode): Make static.
2340 (shift_gen_func_for): New.
2341 (m32c_prepare_shift): Use it. Split large const shifts into
2343 * config/m32c/predicates.md (shiftcount_operand): Allow more
2345 (longshiftcount_operand): New.
2346 * doc/md.texi (Machine Constraints): Document In6.
2348 2006-01-13 Ben Elliston <bje@au.ibm.com>
2350 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2351 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2354 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2356 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2357 to try to avoid clobbering pieces of structures when we know
2358 something about the whole structure.
2359 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2361 2006-01-13 Ben Elliston <bje@au.ibm.com>
2363 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2364 return in memory, as this is no limitation is no longer present.
2366 2006-01-12 DJ Delorie <dj@redhat.com>
2368 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2369 mova with fb, and for fb+0 -> An.
2371 * config/m32c/mov.md (peephole2): Fix enabling logic.
2373 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2374 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2375 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2376 FINI_ARRAY_SECTION_ASM_OP): Define.
2378 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2380 (m32c_legitimize_reload_address): New logic to reload FB to An.
2381 (m32c_output_reg_push): Add newline.
2382 (m32c_output_reg_pop): Likewise.
2384 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2386 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2388 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2390 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2392 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2394 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2397 2006-01-11 Ben Elliston <bje@au.ibm.com>
2399 * rtlanal.c (find_reg_note): Assert insn is not null.
2401 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2403 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2406 2006-01-11 Jeff Law <law@redhat.com>
2408 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2410 (mark_threaded_blocks, register_jump_thread): New functions.
2411 (thread_through_all_blocks): Remove unwanted argument. No
2412 longer rely on e->aux to communicate thread target info.
2413 Call mark_threaded_blocks. Release the threaded_blocks
2414 bitmap and threaded_edges vector when complete.
2415 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2416 (threaded_blocks): Remove.
2417 (tree_ssa_dominator_optimize): Remove initialization and
2418 finalization of threaded_blocks. Simplify call to
2419 thread_through_all_blocks.
2420 (thread_across_edge): Call register_jump_thread rather than
2421 storing thread information into e->aux.
2422 (free_all_edge_infos): Simplify now that e->aux is no longer
2423 used to communicate with thread_through_all_blocks.
2424 * tree-flow.h (thread_through_all_blocks): Update prototype.
2425 (register_jump_thread): Prototype.
2427 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2429 * df-core.c (df_compact_blocks, df_bb_replace): Use
2430 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2432 2006-01-11 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/25734
2435 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2436 stop propagation after successful propagation to the LHS.
2438 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2440 * basic-block.h (control_flow_graph): Change the type of
2441 x_basic_block_info to VEC(basic_block,gc) *.
2442 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2444 (SET_BASIC_BLOCK): New.
2445 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2446 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2447 * cfgbuild.c (find_basic_blocks): Likewise.
2448 * cfglayout.c (fixup_reorder_chain): Likewise.
2449 * cfgrtl.c (create_basic_block_structure,
2450 rtl_create_basic_block): Likewise.
2451 * ifcvt.c (find_if_case_1): Likewise.
2452 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2455 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2457 * Makefile.in: Removed rotted odf.c entry.
2459 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2462 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2463 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2464 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2465 output pattern modifier, not %e.
2466 * config/cris/cris.c (cris_op_str): Update comment about pattern
2468 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2469 before falling through into...
2470 <case 'E'>: Redefined from old 'e' case.
2472 2006-01-11 Jan Hubicka <jh@suse.cz>
2475 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2477 2006-01-11 Jan Hubicka <jh@suse.cz>
2479 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2480 * i386.c (x86_decompose_lea): Kill.
2481 (ix86_rtx_costs): Kill.
2483 2006-01-11 Jan Hubicka <jh@suse.cz>
2485 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2486 * cgraph.h (cgraph_node): Add inline_decl.
2487 (cgraph_insert_node_to_hashtable): Declare.
2488 (save_inline_function_body): Declare.
2489 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2491 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2492 (cgraph_function_versioning): Update call of tree_function_versioning.
2493 (save_inline_function_body): New function.
2494 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2495 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2496 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2497 (cgraph_default_inline_p): Likewise.
2498 (cgraph_decide_inlining_incrementally): Likewise.
2499 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2500 (copy_bb): Kill saving; do updating of clones.
2501 (copy_cfg_body): Kill saving.
2502 (initialize_inlined-parameters): Likewise.
2503 (expand_call_inline): Likewise.
2505 (tree_function_versioning): New parameter "update_clones".
2506 (inlining_p): Kill saving.
2507 * tree-inline.h (tree_function_versioning): Update prototype.
2508 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2511 2006-01-11 Ian Lance Taylor <ian@airs.com>
2513 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2514 Allow undoing set of machine mode.
2515 (do_SUBST): Use enums instead of is_int.
2516 (do_SUBST_MODE): New function.
2517 (SUBST_MODE): New macro.
2518 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2519 reg and trying to replace reg_regno_rtx with a new register.
2520 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2521 (simplify_set): Use SUBST_MODE.
2522 (distribute_notes): Remove code that tried to update reg notes
2523 for regno_reg_rtx changes.
2525 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2527 PR tree-optimization/23109
2528 PR tree-optimization/23948
2529 PR tree-optimization/24123
2531 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2532 * tree-cfg.c (single_noncomplex_succ): New.
2533 * tree-flow.h (single_noncomplex_succ): Declare it.
2534 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2535 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2536 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2537 insert_bb, register_division_in, insert_reciprocals,
2538 replace_reciprocal, free_bb): New.
2539 (execute_cse_reciprocals_1): Rewritten.
2540 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2541 Do not commit any edge insertion. Always compute dominators and
2542 create the allocation pool.
2543 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2544 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2545 * targhooks.c (default_min_divistions_for_recip_mul): New.
2546 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2547 * passes.c (init_optimization_passes): Run recip after tree loop
2549 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2551 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2552 Kenneth Zadeck <zadeck@naturalbridge.com>
2554 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2555 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2556 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2557 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2558 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2559 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2560 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2561 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2562 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2563 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2564 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2565 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2566 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2567 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2568 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2569 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2570 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2571 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2572 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2573 DF_SCAN_POST_ALLOC): New macros.
2574 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2575 df_free_bb_function, df_local_compute_function, df_init_function,
2576 df_dataflow_function, df_confluence_function_0,
2577 df_confluence_function_n, df_transfer_function,
2578 df_finalizer_function, df_free_function, df_dump_problem_function,
2579 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2580 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2581 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2582 df_urec_bb_info, ) New types.
2583 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2585 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2586 df_analyze_simple_change_some_blocks,
2587 df_analyze_simple_change_one_block, df_compact_blocks,
2588 df_bb_replace, df_bb_regno_last_use_find,
2589 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2590 df_insn_regno_def_p, df_find_def, df_find_use,
2591 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2592 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2593 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2594 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2595 debug_df_chain, df_get_dependent_problem, df_chain_create,
2596 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2597 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2598 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2599 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2600 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2601 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2602 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2603 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2604 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2605 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2606 df_reorganize_refs, df_set_state, df_hard_reg_init,
2607 df_read_modify_subreg_p) New public functions.
2608 * df-core.c: The core dataflow solver and glue routines for rtl
2610 (df_init, df_add_problem, df_set_blocks, df_finish,
2611 df_hybrid_search_forward, df_hybrid_search_backward,
2612 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2613 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2614 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2615 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2616 df_reg_defined, df_find_use, df_reg_used, df_dump,
2617 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2618 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2619 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2620 debug_df_useno, reset_df_after_reload): New functions.
2621 * df-scan.c: The scanning fuctions, once in df.c, completely
2622 rewritten so that they now fully model the functionality of
2623 register usage at the backend.
2624 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2625 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2626 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2627 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2628 df_get_artificial_defs, df_get_artificial_uses,
2629 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2630 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2631 df_refs_delete, df_reorganize_refs, df_set_state,
2632 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2633 df_def_record_1, df_defs_record, df_uses_record,
2634 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2635 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2636 df_record_exit_block_uses, df_hard_reg_init): New functions.
2638 * df-problems.c: Seven concrete dataflow problems that use the
2639 scanning in df-scan.c and are solved by the engine in df-core.c.
2640 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2641 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2642 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2643 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2644 df_ru_free_bb_info, df_ru_alloc,
2645 df_ru_bb_local_compute_process_def,
2646 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2647 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2648 df_ru_transfer_function, df_ru_free, df_ru_dump,
2649 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2650 df_rd_free_bb_info, df_rd_alloc,
2651 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2652 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2653 df_rd_transfer_function, df_rd_free, df_rd_dump,
2654 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2655 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2656 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2657 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2658 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2659 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2660 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2661 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2662 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2663 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2664 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2665 df_urec_mark_reg_use_for_earlyclobber,
2666 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2667 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2668 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2669 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2670 df_chain_create_bb_process_use, df_chain_create_bb,
2671 df_chain_finalize, df_chain_free, df_chains_dump,
2672 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2673 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2674 df_reg_lifetime): New functions.
2675 * df.c: Deleted file.
2676 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2677 consistent with new df api.
2678 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2679 rest_of_handle_sms): Ditto.
2680 * web.c (unionfind_union, union_defs, entry_register, web_main):
2682 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2683 invariant_expr_equal_p, find_defs, check_dependencies,
2684 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2685 free_inv_motion_data, move_loop_invariants): Ditto.
2686 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2687 Update dependencies.
2688 (odf.c): Added defective entry that was deleted later in day.
2689 * sched-deps.c (sched_analyze_1): Ditto.
2691 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2693 * tree-ssa-operands.c (get_expr_operands): Record addressable
2694 variables directly. Do not call add_stmt_operands for CONST_DECLs
2696 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2697 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2699 2006-01-11 Ben Elliston <bje@au.ibm.com>
2701 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2702 function returns true in the positive case.
2704 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2707 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2708 for SI, DI, SF and DF modes. Add alternatives to copy between
2709 general and floating point registers to the 32-bit patterns.
2710 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2711 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2712 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2713 generating 64-bit code.
2714 * config/pa/pa.c (output_move_double): Handle copies between general
2715 and floating registers.
2717 2006-01-10 Stuart Hastings <stuart@apple.com>
2719 * config/i386/i386.md (set_got): Update.
2720 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2721 (builtin_setjmp_receiver): Mach-O support.
2722 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2723 (GOT_SYMBOL_NAME): Define.
2724 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2725 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2726 * config/i386/i386.c (override_options): Revise for Darwin.
2727 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2728 support. (darwin_x86_file_end): New. (output_set_got): Add label
2729 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2730 * config/i386/i386-protos.h (output_set_got): Likewise.
2731 * config/darwin.c (machopic_legitimize_pic_address): Update
2734 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2736 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2737 when MODE isn't BLKmode.
2739 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2741 PR rtl-optimization/25367
2742 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2744 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2747 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2748 for a negative bound.
2750 2006-01-10 Richard Guenther <rguenther@suse.de>
2752 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2753 Never override with anything constraint.
2755 2006-01-10 Jan Beulich <jbeulich@novell.com>
2757 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2758 256 bits when optimize_size.
2760 2006-01-10 Jan Beulich <jbeulich@novell.com>
2762 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2764 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2765 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2768 2006-01-10 Ben Elliston <bje@au.ibm.com>
2770 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2772 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2773 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2774 (USE_FP_FOR_ARG): Reject decimal float modes.
2775 (function_arg_advance): Likewise.
2776 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2777 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2778 point types in AltiVec vectors.
2779 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2780 (rs6000_libcall_value): Likewise.
2782 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2784 * config/xtensa/ieee754-df.S: New file.
2785 * config/xtensa/ieee754-sf.S: New file.
2786 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2787 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2788 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2790 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2792 * config/sh/predicates.md (binary_float_operator,
2793 binary_logical_operator, commutative_float_operator,
2794 equality_comparison_operator, greater_comparison_operator,
2795 less_comparison_operator, logical_operator,
2796 noncommutative_float_operator, shift_operator,
2797 symbol_ref_operand, unary_float_operator): Remove redundant
2800 2006-01-09 Jeff Law <law@redhat.com>
2802 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2803 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2804 now unused arguments. Callers updated.
2805 (eliminate_redundant_computations): Remove now unused arguments,
2807 (local_fold): Remove, no longer used.
2808 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2810 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2811 (simplify_cond): New function.
2812 (forward_propagate_into_cond): Call simplify_cond.
2814 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2816 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2817 (*vec_extractv2di_1_sse): New.
2819 2006-01-09 Ben Elliston <bje@au.ibm.com>
2821 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2823 2006-01-08 Richard Guenther <rguenther@suse.de>
2825 * tree-ssa-structalias.c (get_constraint_for): Remove
2827 (get_constraint_for_component_ref): Likewise.
2828 (do_deref): Likewise.
2829 (get_constraint_for): Likewise.
2830 (do_structure_copy): Likewise.
2831 (handle_ptr_arith): Likewise.
2832 (find_func_aliases): Likewise. Remove unused need_anyoffset
2835 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2836 Kaz Kojima <kkojima@gcc.gnu.org>
2838 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2839 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2840 (EXTRA_CONSTRAINT_C16): Remove.
2841 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2842 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2843 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2844 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2845 constants of SHmedia. Handle nested constant expressions of
2847 (andcosts): Fix the costs for SHmedia constants.
2848 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2849 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2850 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2851 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2852 (movv4hi_i, movv2si_i): Likewise.
2853 (movsi_const): Adjust the second operand of ior so to match with
2855 (movdi_const, movdi_const_32bit): Likewise.
2856 (movdi_const_16bit+1): Don't sign-extend LOW.
2857 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2859 (*double_shori): Fix the split condition. Use GEN_INT instead
2860 of get_int_mode calls. Mask lower 16-bit of the argument of
2862 (sym2GOTPLT): Remove.
2863 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2865 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2866 instead of EXTRA_CONSTRAINT_C16.
2868 2006-01-07 Ian Lance Taylor <ian@airs.com>
2869 David Edelsohn <edelsohn@gnu.org>
2871 PR rtl-optimization/25662
2872 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2873 for constant operands instead of simplify_gen_binary.
2874 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2875 after trying simplify_binary_operation
2877 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2879 * tree.c (iterative_hash_expr): Hash decls based on UID.
2881 2006-01-06 Eric Christopher <echristo@apple.com>
2883 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2884 (TARGET_UNWIND_EMIT): Fix spelling.
2885 * target.h (gcc_target): Add except_table_label.
2886 * except.c (output_function_exception_table): Use.
2887 * varasm.c (default_emit_except_table_label): New.
2888 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2890 (asm_out): Add here.
2891 * output.h (default_emit_except_table_label): Prototype.
2892 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2893 * config/darwin.c (darwin_emit_except_table_label): Define.
2894 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2896 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2898 PR tree-optimization/18527
2899 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2900 number_of_iterations_special, number_of_iterations_exit):
2901 Move base and step of an iv to a single structure. Add
2902 no_overflow flag, and use it in # of iterations analysis.
2903 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2904 folded_casts argument.
2905 (simple_iv): Pass base and step in a structure. Set no_overflow
2907 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2908 Evaluate expensiveness of computing # of iterations instead of
2909 the final expression.
2910 * tree-scalar-evolution.h (affine_iv): New structure.
2911 (simple_iv): Declaration changed.
2912 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2913 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2914 find_givs_in_stmt): Changed due to simple_iv change.
2916 2006-01-06 Jeff Law <law@redhat.com>
2919 * tree-cfg.c (bsi_replace): Rename final argument from
2920 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2921 change (stmt -> orig_stmt).
2922 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2923 (bsi_remove): Add new argument. Remove EH information
2925 (verify_eh_throw_table_statements): New function.
2926 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2928 * tree-optimize.c (execute_free_cfg_annotations): Verify
2929 the EH throw statement table after removing annotations.
2930 * except.h (verify_eh_throw_table_statements): Prototype.
2931 * tree-flow.h (bsi_remove): Update prototype.
2932 * tree-vrp.c (remove_range_assertions): Add new argument to
2934 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2935 * tree-complex.c (expand_complex_div_wide): Likewise.
2936 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2937 * tree-tailcall.c (eliminate_tailcall): Likewise.
2938 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2939 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2940 * tree-nrv.c (tree_nrv): Likewise.
2941 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2942 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2943 (combine_blocks): Likewise.
2944 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2945 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2946 (cleanup_control_flow): Likewise.
2947 (remove_forwarder_block): Likewise.
2948 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2949 * tree-sra.c (sra_replace): Likewise.
2950 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2951 (forward_propagate_single_use_vars): Likewise.
2952 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2953 * tree-inline.c (expand_call_inline): Likewise.
2954 * tree-vect-transform.c (vect_transform_loop): Likewise.
2955 * tree-outof-ssa.c (rewrite_trees): Likewise.
2956 * tree-cfg.c (make_goto_expr_edges): Likewise.
2957 (cleanup_dead_labels): Likewise.
2958 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2959 (bsi_move_before, bsi_move_after): Likewise.
2960 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2961 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2963 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2966 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2968 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2969 on non gimple variables. Also add checks at the top for decls and
2971 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2973 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2974 and IMAGPART_EXPR for creating MUST_DEFs.
2975 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2976 and NAME_MEMORY_TAG separately from the DECLs.
2978 2006-01-06 Richard Guenther <rguenther@suse.de>
2980 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2981 annotation, if necessary.
2982 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2983 redundant calls to update_stmt.
2984 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2987 2006-01-05 Richard Henderson <rth@redhat.com>
2989 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2991 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2993 * c-typeck.c: Update copyright date.
2995 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2997 * c-typeck.c (build_c_cast): Always warn when casting
2998 from a pointer to an integer of different size, even if
2999 the node was constant.
3001 2006-01-05 Richard Guenther <rguenther@suse.de>
3003 PR tree-optimization/22555
3004 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3005 if one structure field is an array.
3006 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3007 operands even if we found a subvar, but ignore VOPs in this
3009 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3011 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3013 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3016 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3018 2006-01-05 Richard Guenther <rguenther@suse.de>
3019 Diego Novillo <dnovillo@redhat.com>
3021 * tree-pass.h (TODO_remove_unused_locals): Define.
3022 * gimple-low.c (expand_var_p, remove_useless_vars,
3023 pass_remove_useless_vars): Remove. Update all users.
3024 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3025 (remove_unused_locals): New function.
3026 * tree-flow.h (remove_unused_locals): Declare.
3027 * passes.c (execute_todo): Call remove_unused_locals if
3028 TODO_remove_unused_locals is set.
3029 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3030 * tree-ssa-dce.c (pass_dce): Likewise.
3031 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3033 2006-01-05 Richard Guenther <rguenther@suse.de>
3035 * tree-flow.h (struct fieldoff): Decompose field to
3036 type, size and decl.
3037 * tree-ssa-alias.c (create_sft): Take type as parameter.
3038 (create_overlap_variables_for): Store type, size and decl
3039 in the fieldoff structure.
3040 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3042 (push_fields_onto_fieldstack): Likewise.
3043 (create_variable_info_for): Likewise. Use offset for the
3044 SFT name if the decl is not available.
3046 2006-01-04 Paul Brook <paul@codesourcery.com>
3048 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3050 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3052 * lambda-code.c (can_put_in_inner_loop): Relax
3054 (can_put_after_inner_loop): New function.
3055 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3056 (perfect_nestify): Change to make copies and modify uses.
3058 2006-01-04 Richard Henderson <rth@redhat.com>
3060 Merge from gomp branch:
3061 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3062 via integer constant.
3063 (pragma_lex): Remove.
3064 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3065 rather than parsing it.
3066 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3067 handle_pragma_extern_prefix): Add %< %> quotes.
3068 (registered_pragmas): New.
3069 (c_register_pragma_1): New.
3070 (c_register_pragma): Use it.
3071 (c_register_pragma_with_expansion): Likewise.
3072 (c_invoke_pragma_handler): New.
3073 (init_pragma): Use cpp_register_deferred_pragma directly for
3075 * c-pragma.h (enum pragma_kind): New.
3076 (pragma_handler): New.
3077 (c_invoke_pragma_handler): Declare.
3078 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3080 * c-common.h (c_common_pch_pragma): Update decl.
3081 * Makefile.in (c-parser.o): Update dependencies.
3082 (GTFILES): Add c-pragma.h.
3083 * c-parser.c (struct c_token): Add pragma_kind.
3084 (struct c_parser): Add in_pragma.
3085 (c_lex_one_token): Always initialize keyword and pragma_kind.
3086 Extract data for CPP_PRAGMA.
3087 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3088 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3089 Don't allow CPP_PRAGMA_EOL if in_pragma.
3090 (c_parser_consume_pragma): New.
3091 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3092 (c_parser_skip_to_end_of_parameter): Likewise.
3093 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3094 (c_parser_skip_to_pragma_eol): New.
3095 (c_parser_external_declaration): Handle CPP_PRAGMA.
3096 (c_parser_compound_statement_nostart): Likewise.
3097 (c_parser_statement_after_labels): Likewise.
3098 (c_parser_pragma): New.
3099 (pragma_lex): Likewise.
3100 (c_parser_pragma_pch_preprocess): New.
3101 (c_parser_new): Merge into ...
3102 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3104 2006-01-04 Jeff Law <law@redhat.com>
3107 * tree-cfg.c (bsi_replace): Remove the original statement
3108 from the EH throw statement table.
3110 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3112 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3113 make the prototype extern "C" and add throw ().
3116 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3117 and pos non-negative and pos + len <= 32.
3118 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3119 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3120 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3123 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3124 as well as sizes not multiple of component size.
3127 * function.c (instantiate_expr): New function.
3128 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3129 walk its DECL_VALUE_EXPR with instantiate_expr.
3131 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3132 DW_OP_deref{,_size} if address isn't going to be added.
3134 2006-01-04 Ben Elliston <bje@au.ibm.com>
3136 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3137 * config/fp-bit.c: Likewise.
3139 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3141 * dominance.c: Add comment about why we use DFS numbering
3144 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3145 Richard Henderson <rth@redhat.com>
3147 Merge from gomp-branch:
3148 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3149 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3151 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3153 PR rtl-optimization/25578
3154 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3155 pass a parameter to simplify_shift_const if changing ASHIFTRT
3158 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3160 * builtins.c (get_builtin_sync_mem): New function.
3161 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3162 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3163 Call get_builtin_sync_mem to generate mem rtx.
3165 2006-01-03 Richard Guenther <rguenther@suse.de>
3168 * stmt.c (add_case_node): Make sure to clear overflow flags
3171 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3173 Merge from gomp-branch.
3174 * config/sparc/sync.md: New file.
3175 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3176 UNSPECV_LDSTUB): New constants.
3177 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3178 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3179 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3182 2006-01-03 Roger Sayle <roger@eyesopen.com>
3184 * combine.c (reg_subword_p): New predicate to test whether the
3185 destination of a set refers to a subword/piece of a register.
3186 (try_combine): Generalize the code to merge the setting of a
3187 pseudo to a constant followed by a set of a subword of that
3188 register to a constant.
3190 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3192 * basic-block.h (control_flow_graph): Change the type of
3193 x_label_to_block_map to VEC(basic_block,gc) *.
3194 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3195 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3197 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3198 VEC(basic_block,heap) *.
3199 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3200 ssa_prop_fini): Adjust the uses of cfg_blocks.
3202 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3204 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3206 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3207 hashing trees instead of a pointer hash.
3208 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3209 compare for MEM_EXPR.
3211 PR rtl-optimization/25130
3212 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3213 when comparing MEMs for GCSE
3215 2006-01-03 Ben Elliston <bje@au.ibm.com>
3217 * targhooks.h (default_decimal_float_supported_p): Declare.
3218 * targhooks.c (default_decimal_float_supported_p): Define.
3219 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3220 `default_decimal_float_supported_p'.
3221 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3223 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3225 * combine.c (apply_distributive_law <SUBREG>): Check
3226 TRULY_NOOP_TRUNCATION.
3228 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3230 * dwarf2out.c (have_switched_text_section): Delete.
3231 (have_multiple_function_sections): New.
3232 (have_location_lists): Make 'bool'.
3233 (add_AT_loc_list): Use 'true' not '1'.
3234 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3235 (output_loc_list): Use have_multiple_function_sections.
3236 (output_ranges): Likewise.
3237 (dwarf2out_begin_function): Set have_multiple_function_sections if
3239 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3240 Check function_section rather than DECL_SECTION_NAME.
3241 (dwarf2out_finish): Use have_multiple_function_sections.
3242 Don't clear have_location_lists.
3244 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3245 Jan Hubicka <jh@suse.cz>
3247 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3248 case of conditional jump jumping to the next instruction.
3249 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3250 cases of conditional jump jumping to the next instruction.
3252 2006-01-02 Jan Hubicka <jh@suse.cz>
3254 * i386.c (*_cost): Add COSTS_N_INSNS.
3255 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3257 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3260 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3262 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3264 * config/arm/arm.c (all_fpus): Fix comment typo.
3265 * config/darwin.c: Likewise.
3266 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3267 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3268 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3270 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3272 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3273 (rs6000_split_compare_and_swapqhi): New.
3274 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3275 (sync_compare_and_swapqhi_internal): New.
3276 * config/rs6000/rs6000-protos.h: Declare.