1 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5 (pragma_trap, pragma_nosave_low_regs): Likewise.
6 (current_function_anonymous_args): Likewise.
7 (sh_deferred_function_attributes): New variable.
8 (sh_deferred_function_attributes_tail): Likewise.
9 (print_operand): For '@', look up trap_exit attribute.
10 (calc_live_regs): Look up trapa_handler attribute. For trapa
11 handlers, save/restore fpscr, but don't do any other
12 interrupt-specific saves.
13 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14 Fix check for partially saved registers to check for SHmedia.
15 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16 (sh_output_function_epilogue): Don't clear any of the removed
18 (sh_insert_attributes): Don't check pragma_interrupt.
19 Insert deferred attributes. Check that interrupt attribute is
20 present for other attributes that require its presence.
21 (sh_attribute_table): Add new attributes trapa_handler and
23 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
24 Don't check for pragma_interrupt. Don't store argument.
25 * sh.h (pragma_interrupt, sp_switch): Don't declare.
26 (sh_deferred_function_attributes): Declare.
27 (sh_deferred_function_attributes_tail): Likewise.
28 * sh.md (sp_switch_1): Add operand. Change generator caller.
29 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
30 (*return_i): Don't use when trap_exit attribute is in effect.
31 (*return_trapa): New insn pattern.
33 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
34 setting c_target_objs and cxx_target_objs.
35 * t-sh: Add rule for sh-c.o.
37 2006-01-30 Richard Guenther <rguenther@suse.de>
40 * gimplify.c (gimplify_target_expr): Handle easy cases
41 without creating a temporary.
43 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
45 * vec.h (safe_grow): Remove duplicated line.
47 2006-01-29 Diego Novillo <dnovillo@redhat.com>
50 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
51 (expand_omp): ... here.
52 (expand_omp_parallel): Only remove barriers for combined
53 parallel+workshare constructs.
55 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
59 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
60 * tree.c (build_qualified_type): Chain the new type to the original
61 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
62 a POINTER_TYPE or a REFERENCE_TYPE respectively.
63 (build_pointer_type_for_mode): Only return unqualified types.
64 (build_reference_type_for_mode): Likewise.
66 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
68 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
69 * Makefile.in (CXX_COMPAT_WARN): Define.
70 * configure: Regenerate.
72 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
75 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
78 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
80 * toplev.c: Fix thinko.
82 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
83 Marcin Dalecki <martin@dalecki.de>
85 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
86 (push_srcloc): Use XNEW.
87 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
89 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
91 * df-core.c (df_set_blocks): Deleted all variable.
93 2006-01-28 Ian Lance Taylor <ian@airs.com>
95 * cgraphunit.c (cgraph_assemble_pending_functions): Call
96 cgraph_output_pending_asms.
98 2006-01-28 Zack Weinberg <zackw@panix.com>
100 * c.opt: Add -W(no-)overlength-strings.
101 * doc/invoke.texi: Document it.
102 * c-opts.c (c_common_handle_option): -pedantic implies
103 -Woverlength-strings, if not explicitly disabled already.
104 (c_common_post_options): -Woverlength-strings defaults to off, and
105 is always off for C++.
106 * c-common.c (fix_string_type): Issue warning about strings longer
107 than is portable only if warn_overlength_strings. Rearrange code
108 a little for clarity.
109 * configure.in: Check for -Wno-overlength-strings as well before
110 enabling -pedantic in stage 1.
111 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
112 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
114 * genconditions.c (write_header, write_one_condition)
115 (write_conditions, write_writer): Consolidate very long strings
116 that were broken up to fit in C89 portable limit. Don't use
117 printf when fputs will do.
119 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
121 * combine.c (simplify_comparison <AND>): Check
122 TRULY_NOOP_TRUNCATION before start using a subreg.
124 * config/mips/mips.md (*branch_zero<mode>,
125 *branch_zero<mode>_inverted, *branch_equality<mode>,
126 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
127 Remove mode check from comparisons.
129 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
131 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
133 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
135 * expmed.c (const_mult_add_overflow_p): Remove.
136 * expr.h: Remove the prototype for const_mult_add_overflow_p.
138 * recog.c (validate_replace_rtx_subexp): Remove.
139 * recog.h: Remove the prototype for
140 validate_replace_rtx_subexp.
142 * integrate.h: Remove the prototype for
143 copy_decl_for_inlining.
144 * rtl.h: Remove the prototype for mark_constant_function.
145 * tree-vectorizer.h: Remove the prototype for
146 vect_strip_conversion.
148 * modulo-sched.c (create_partial_schedule,
149 free_partial_schedule, reset_partial_schedule): Make them
152 * hooks.c (hook_bool_rtx_int_false): Remove.
153 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
155 2006-01-28 David Edelsohn <edelsohn@gnu.org>
157 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
158 and -mlong-double-128 are incompatible.
159 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
160 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
161 (TARGET_LIBGCC2_CFLAGS): Define.
162 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
163 (TARGET_LIBGCC2_CFLAGS): Same.
164 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
166 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
169 * c-typeck.c (build_binary_op): Perform implicit casts of
170 operands before shortening them.
172 * cfgloopmanip.c (split_loop_bb): Remove.
173 * cfgloop.h: Remove the prototype for split_loop_bb.
175 * cfgloop.c (flow_loop_outside_edge_p): Remove.
176 * cfgloop.h: Remove the prototype for
177 flow_loop_outside_edge_p.
179 * emit-rtl.c (init_virtual_regs): Make it static.
180 * function.h: Remove the prototype for init_virtual_regs.
182 * recog.c (peephole2_optimize): Make it static.
183 * recog.h: Remove the prototype for peephole2_optimize.
185 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
187 * df-scan.c (df_record_entry_block_defs): Check if
188 INCOMING_RETURN_ADDR_RTX is defined.
190 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
191 Kenneth Zadeck <zadeck@naturalbridge.com>
193 PR rtl-optimization/24762
194 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
195 * targhooks.c (hook_void_bitmap): New hook prototype.
196 * targhoohs.h (hook_void_bitmap): Ditto.
197 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
198 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
199 * target.h (live_on_entry): New function pointer.
200 * df-scan.c (df_all_hard_regs): Removed.
201 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
202 (df_scan_free_internal): Added df->entry_block_defs.
203 (df_scan_alloc): Ditto.
204 (df_scan_dump): Ditto.
205 (df_uses_record): Plumbed flag field properly thru calls.
206 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
207 This part fixes PR24762.
208 (df_bb_refs_record): Added code to make the frame and arg
209 pointers live in EH blocks.
210 (df_refs_record): Added call to df_record_entry_block_defs.
211 (df_record_entry_block_defs): New function.
212 * df-core.c: Added comments to describe new artifical defs.
213 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
214 (entry_block_defs): New field in struct df.
215 (df_all_hard_regs): Deleted.
216 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
217 * df-problems.c (df_ru_bb_local_compute_process_def):
218 Added code to handle artifical defs in the entry to a function.
219 (df_ru_bb_local_compute): Ditto.
220 (df_rd_bb_local_compute_process_def): Ditto.
221 (df_rd_bb_local_compute): Ditto.
222 (df_lr_bb_local_compute): Ditto.
223 (df_ur_bb_local_compute): Ditto.
224 (df_urec_bb_local_compute): Ditto.
225 (df_chain_create_bb): Ditto.
226 (df_ur_local_finalize): Removed entry.
227 (df_urec_init): Ditto.
228 (df_urec_local_finalize): Ditto.
229 (df_ri_bb_compute): Added detection of last use of pseudos.
230 * Makefile.in (df-scan.o): Updated dependencies.
231 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
232 * config/mips/mips.c (mips_set_live_on_entry): Added.
233 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
235 * dce.c (marked_insn_p): Added code to handle artifical defs.
237 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
239 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
241 (_mm_cvtsi128_si64): Likewise.
242 (_mm_cvtsd_si64): Likewise.
243 (_mm_cvttsd_si64): Likewise.
244 (_mm_cvtsi64_sd): Likewise.
245 (_mm_cvtsi64_si128): Likewise.
246 * config/i386/mmintrin.h (_m_from_int64): Likewise.
247 (_mm_cvtsi64_m64): Likewise.
248 (_m_to_int64): Likewise.
249 (_mm_cvtm64_si64): Likewise.
250 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
251 (_mm_cvttss_si64): Likewise.
252 (_mm_cvtsi64_ss): Likewise.
253 (_mm_cvtss_f32): Likewise.
255 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
257 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
258 for pragma redefine_extname.
260 2006-01-27 Jakub Jelinek <jakub@redhat.com>
263 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
264 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
265 -mno-minimal-toc to previous content.
266 (bispecs): Remove goal.
267 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
268 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
269 compatibility aliases on powerpc-*-*gnu*.
270 * config/rs6000/libgcc-ppc-glibc.ver: New file.
271 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
272 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
273 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
274 (ldblspecs): New goal.
275 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
276 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
278 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
279 L_sf_to_tf or L_df_to_tf is defined.
281 2006-01-27 David Edelsohn <edelsohn@gnu.org>
282 Alan Modra <amodra@bigpond.net.au>
285 * config/rs6000/linux.h (POWERPC_LINUX): Define.
286 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
287 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
288 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
289 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
290 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
291 (rs6000_override_options): Initialize rs6000_ieeequad.
292 Initialize TFmode format to ibm_extended_format if not
294 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
296 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
297 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
298 (function_arg_advance): IBM long double passed in two FPRs, not
300 (function_arg): IBM long double passed in FPRs.
301 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
302 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
303 Only multireg GPR aligned.
304 (rs6000_init_libfuncs): Enable IBM long double functions if not
306 (rs6000_generate_compare): Use IBM long double compare if not
308 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
309 (TARGET_IEEEQUAD): Define.
310 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
312 * config/rs6000/rs6000.md: Enable TFmode patterns if
314 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
315 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
316 and -mlong-double-128 are incompatible.
317 * doc/invoke.texi (-mabi): Collect options together. Add
318 ibmlongdouble and ieeelongdouble.
320 2006-01-27 Richard Sandiford <richard@codesourcery.com>
322 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
324 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
325 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
326 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
327 * rtl.h (rtunion_def): Remove rt_ptr.
329 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
330 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
331 * config/i386/winnt.c (i386_pe_mark_dllexport)
332 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
334 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
336 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
338 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
342 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
343 pthread_key_delete. From John David Anglin. gthrw-ify
344 pthread_getunique_np only if it it's not a macro. Delete
346 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
347 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
348 __gthread_objc_condition_signal, __gthread_key_delete): Add
349 "__attribute__ ((__unused__))" to unused arguments.
350 (__gthread_recursive_mutex_init_function): Add missing return.
351 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
352 gthr-posix95.h: Use macro-based approach for name redirection
353 on targets missing weakref.
355 2006-01-26 Zack Weinberg <zackw@panix.com>
357 * genconditions.c (write_header): In generated code, #ifdef out
358 all includes and fake declarations, except includes of bconfig.h
359 and system.h, unless GCC_VERSION >= 3001. Do not include
360 gensupport.h in any case.
361 (write_conditions): Generate a definition of struct c_test. Add
362 a comment to the generated #endif.
363 (write_one_condition): Escape backslashes in string too.
364 (write_writer): Generated code must escape backslashes and quote
365 marks (but not newlines) in the strings it writes.
366 * Makefile.in (build/gencondmd.o): Update dependencies.
368 2006-01-26 Steve Ellcey <sje@cup.hp.com>
371 * Makefile.in (insn-automata.o): Add header file dependencies.
372 * genautomata.c: Add includes.
374 2006-01-26 Steve Ellcey <sje@cup.hp.com>
377 * Makefile.in (insn-automata.o): Add -Wno-error flag.
379 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
381 * configure.ac: Expect target tools paths to be passed from the toplevel
382 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
384 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
386 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
389 * c.opt (Wpointer-sign): Init to -1.
390 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
391 OPT_pedantic, to 0 otherwise.
392 * doc/invoke.texi: Update.
394 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
396 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
397 constants provided by 80387 instructions in the destination mode.
399 2006-01-26 Richard Guenther <rguenther@suse.de>
400 Andrew Pinski <pinskia@physics.uc.edu>
403 partial PR tree-opt/17064
404 * tree-ssa-structalias.c (intra_create_variable_infos):
405 Create heap variables for incoming parameters if
406 flag_argument_noalias > 1.
407 (find_what_p_points_to): Look through default defs of
410 2006-01-26 Jeff Law <law@redhat.com>
413 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
414 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
415 within the VR_RANGE, use the VR_RANGE as the result, not the
417 (adjust_range_with_scev): Reject ranges from SCEV which are out
418 of bounds for the type.
420 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
422 * tree-ssa-alias.c (maybe_create_global_var): Change
423 subvar walking to an assertion that we don't have subvar'd variables.
425 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
428 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
429 Use a new variable, inner. PARM_DECLs are always non-weak.
431 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
433 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
436 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
438 * config/mips/mips.md (*clear_upper32): New combiner pattern.
440 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
442 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
443 (smax_insn, smin_insn, smax_0, smin_0): New.
445 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
448 * config/cris/cris.c (cris_order_for_addsi3): New function.
449 * config/cris/cris-protos.h: Prototype it.
450 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
451 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
452 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
453 (split for "op.S1 [rx=rx+i],ry (swapped)")
454 (split for "op(s|u).S1 [rx=rx+i],ry")
455 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
456 Apply cris_order_for_addsi3 when generating addsi3 insns.
458 2006-01-25 Diego Novillo <dnovillo@redhat.com>
460 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
461 (TREE_BLOCK): Add call to EXPR_CHECK.
463 2006-01-25 Diego Novillo <dnovillo@redhat.com>
466 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
467 * tree-pretty-print.c (dump_omp_clause): Extract from ...
468 (dump_omp_clauses): ... here.
469 (dump_generic_node): Handle OMP_CLAUSE.
470 * tree.c (omp_clause_num_ops): New.
471 (omp_clause_code_name): New.
472 (tree_code_size): Handle OMP_CLAUSE.
473 (tree_size): Likewise.
474 (make_node): Document handling of OMP_CLAUSE.
475 (tree_node_structure): Handle OMP_CLAUSE.
476 (omp_clause_check_failed): New.
477 (omp_clause_range_check_failed): New.
478 (omp_clause_operand_check_failed): New.
479 (build_omp_clause): New.
480 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
481 * tree.h (enum omp_clause_code): Declare.
482 (OMP_CLAUSE_SUBCODE_CHECK): Define.
483 (OMP_CLAUSE_RANGE_CHECK): Define.
484 (OMP_CLAUSE_ELT_CHECK): Define.
485 (omp_clause_check_failed): Declare.
486 (omp_clause_operand_check_failed): Declare.
487 (omp_clause_range_check_failed): Declare.
488 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
489 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
490 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
491 (OMP_CLAUSE_LASTPRIVATE): Likewise.
492 (OMP_CLAUSE_IF_EXPR): Likewise.
493 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
494 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
495 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
496 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
497 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
498 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
499 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
500 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
501 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
502 (OMP_CLAUSE_CODE): Define.
503 (OMP_CLAUSE_SET_CODE): Define.
504 (OMP_CLAUSE_CODE): Define.
505 (OMP_CLAUSE_OPERAND): Define.
506 (struct tree_omp_clause): Declare.
507 (union tree_node): Add field 'omp_clause'.
508 * treestruct.def (TS_OMP_CLAUSE): Define.
509 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
510 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
511 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
512 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
513 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
514 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
515 (OMP_CLAUSE): Define.
516 * print-tree.c (print_node): Handle OMP_CLAUSE.
517 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
518 * c-typeck.c: Likewise.
519 * gimplify.c: Likewise.
521 * tree-nested.c: Likewise.
522 * tree-inline.c: Likewise.
523 * c-parser.c: Likewise.
524 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
527 2006-01-25 Roger Sayle <roger@eyesopen.com>
529 PR rtl-optimization/25703
530 * combine.c (try_combine): Handle zero_extract and strict_low_part
531 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
533 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
535 * global.c: Fix comment typos.
537 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
540 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
541 Use output_addr_const instead of assemble_name.
543 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
545 * Makefile.in (sched-vis.o): Update dependencies.
546 * haifa-sched.c (sched_finish): Clear current_sched_info.
547 * cfg.c (dump_bb_info): New, split from dump_flow_info.
548 (dump_flow_info): Call it.
549 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
551 * basic-block.h (dump_bb_info): Declare.
552 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
553 option, and apply options only for dump files whose TDF_RTL,
554 TDF_TREE, or TDF_IPA bits match.
555 * rtl.h: Declare new functions exported from sched-vis.c.
556 * sched-vis.c: Enable also if scheduling is not used.
557 (print_value): Print the mode of registers if not inside scheduling.
558 (print_insn): Make it work outside the scheduler. Beautify the output
560 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
562 2006-01-25 Richard Sandiford <richard@codesourcery.com>
564 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
565 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
566 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
567 depending on the value of CONSTANT_POOL_ADDRESS_P.
568 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
570 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
571 rather than SYMBOL_REF_DECL.
572 (rtx_constant_pool): Remove const_rtx_sym_htab.
573 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
574 (init_varasm_status): Don't initialize const_rtx_sym_htab.
575 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
576 Remove handling of const_rtx_sym_htab.
577 (find_pool_constant): Delete.
578 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
579 rather than find_pool_constant.
580 (get_pool_constant_for_function): Delete.
581 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
583 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
584 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
585 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
586 (SYMBOL_REF_CONSTANT): New macro.
587 (get_pool_constant_for_function): Delete.
588 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
589 rather than SYMBOL_REF_DECL.
590 (i386_pe_mark_dllimport): Likewise.
591 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
592 rather than SYMBOL_REF_DECL.
593 * config/darwin.c (machopic_indirect_data_reference): Likewise.
594 (machopic_indirect_call_target): Likewise.
596 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
598 * flow.c (delete_noop_moves): Add missing EOL to dump message.
600 2006-01-25 Richard Sandiford <richard@codesourcery.com>
602 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
604 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
606 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
608 2006-01-24 David Daney <ddaney@avtrex.com>
611 * configure.ac (enable_tls): New enable option.
612 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
613 * configure: Regenerate.
614 * doc/install.texi (--enable-tls): Document new option.
615 (--disable-tls): Ditto.
617 2006-01-24 Richard Henderson <rth@redehat.com>
619 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
620 * alias.c (true_dependence): Respect it.
621 (canon_true_dependence, write_dependence_p): Likewise.
622 * builtins.c (get_builtin_sync_mem): Set it.
624 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
626 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
629 2006-01-24 DJ Delorie <dj@redhat.com>
631 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
632 for storing constants in single-bit bitfields.
634 2006-01-25 Ben Elliston <bje@au.ibm.com>
636 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
638 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
641 * tree-ssa-pre.c (phi_translate): Return NULL
642 for AGGREGATE_TYPE's.
644 2006-01-24 Zack Weinberg <zackw@panix.com>
646 * genautomata.c (process_state_for_insn_equiv_partition):
647 Use xcalloc for insn_arcs_array.
648 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
649 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
651 2006-01-24 Richard Henderson <rth@redhat.com>
653 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
656 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
658 PR rtl-optimization/25890
659 PR rtl-optimization/25905
660 * combine.c (expand_compound_operation, expand_field_assignment):
661 Fail if the bitfield's final position is out of bounds.
663 2006-01-24 Ian Lance Taylor <ian@airs.com>
666 * cgraphunit.c (cgraph_output_in_order): Don't clear
667 cgraph_asm_nodes until after asm strings have been output.
669 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
671 * fix-header.c (read_scan_file): Add new parameter imultilib when
672 calling register_include_chains.
674 2006-01-23 Diego Novillo <dnovillo@redhat.com>
676 * omp-low.c: Update documentation.
678 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
679 Daniel Berlin <dberlin@dberlin.org>
683 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
684 return from the function.
686 2006-01-22 Zack Weinberg <zackw@panix.com>
688 * rtl.def (match_code): Add second argument.
689 * genpreds.c (write_extract_subexp): New function.
690 (write_match_code): Add path argument. Use write_extract_subexp.
691 (write_predicate_expr): Pass path to write_match_code.
692 (mark_mode_tests): MATCH_CODE applied to a subexpression does
693 not perform a mode test.
694 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
695 a subexpression does not constrain the top-level code set.
696 * read-rtl.c (read_rtx_variadic): New function.
697 (read_rtx_1): Use it; allow AND and IOR to be variadic.
698 * doc/md.texi: Document new notation.
699 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
700 (cmpsi_operand): ... here, using new notation.
702 2006-01-22 Zack Weinberg <zackw@panix.com>
704 * varray.c: Remove GENERATOR_FILE #ifdefs.
706 2006-01-22 Zack Weinberg <zackw@panix.com>
708 * genautomata.c (output_reserved_units_table): Emit nothing if
709 description->query_units_num is zero. Remove extra blank line.
710 (output_cpu_unit_reservation_p): Short circuit
711 if description->query_units_num is zero.
713 2006-01-22 Zack Weinberg <zackw@panix.com>
715 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
716 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
717 nor any of the random handful of variables that used to be necessary
718 when this program was linked with rtlanal.o. Prune set of forward
719 function declarations.
720 (struct attr_desc): Remove static_p field.
721 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
722 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
723 (attr_string): Do not read the character one past the length of
725 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
726 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
727 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
728 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
729 (make_automaton_attrs): New.
730 (main): Do not call into genautomata. Call local gen_bypass
731 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
732 Remove special case for insn_alts.
733 * genautomata.c: Include gensupport.h; not genattrtab.h nor
734 varray.h (leftover from previous change). Prune set of forward
735 function declarations. Remove state_alts fields from all
736 structures. Remove state_alts_table from struct automaton.
737 Make everything except main static. Do not maintain num_dfa_decls.
738 Do not maintain state_alts fields of various structures.
739 (process_decls): Don't validate condexp for dm_insn_reserv decls.
740 (add_arc): Remove state_alts argument. All callers updated.
741 (output_reserved_units_table): Emit #ifdef here...
742 (output_tables): ...not here. Don't generate state_alts tables.
743 (expand_automata): Don't generate attributes.
744 (write_automata): Don't generate state_alts functions.
745 (main): New function.
746 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
747 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
748 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
749 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
750 (BYPASS_P_FUNC_NAME, output_state_alts_table)
751 (output_automata_list_state_alts_code, output_internal_state_alts_func)
752 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
753 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
755 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
756 * genattrtab.h: Delete file.
757 * Makefile.in (OBJS-common): Add insn-automata.o.
758 (insn-automata.o): New rule.
759 (simple_generated_c): Add insn-automata.c.
760 (build/genattrtab.o, build/genautomata.o): Update dependencies.
761 (genprogmd): Add automata.
762 (build/genattrtab): Needs no extra objects nor libraries.
763 (build/genautomata): Needs build/vec.o and -lm.
765 2006-01-22 Zack Weinberg <zackw@panix.com>
767 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
768 (output_dfa_max_issue_rate, locked_states_num): Delete.
769 (struct automaton): Add locked_states field.
770 (output_dead_lock_vect): Save number of locked states in
771 automaton->locked_states. If it is zero, don't print anything.
772 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
773 (output_internal_dead_lock_func): Only test the dead_lock_vect
774 for automata that have locked states.
775 (output_statistics): Always print the number of locked states for
776 each automaton. Calculate total number of locked states here.
777 (write_automata): Don't call output_dfa_max_issue_rate.
778 * genattrtab.c: Define length_unit_log as a const variable.
779 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
780 max_insn_queue_index const.
781 * final.c (length_unit_log): Declare const.
782 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
784 2006-01-22 Zack Weinberg <zackw@panix.com>
786 * genautomata.c: Include vec.h, not varray.h.
787 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
788 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
789 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
790 VEC_* macros operating on appropriately typed vectors, or to
791 malloced arrays when the size is known in advance. Const-ify
792 many char* variables and function arguments. No functional changes.
793 * Makefile.in (build/varray.o): Delete rule.
794 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
795 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
797 2006-01-22 Zack Weinberg <zackw@panix.com>
799 * gensupport.c: Define get_insn_name and record_insn_name here.
800 (read_md_rtx): Call record_insn_name as appropriate.
801 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
802 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
803 * genpreds.c, genrecog.c: Don't define get_insn_name nor
805 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
806 (BUILD_VARRAY): Delete.
807 (genprognormal): Rename genprogmd. Fold in all programs from
808 genprognoprint; also attrtab.
809 (build/genattrtab): Just mention genautomata.o and varray.o.
810 Reorganize a bit, add comments to make the categories clearer.
812 2006-01-22 Zack Weinberg <zackw@panix.com>
814 * genconditions.c (condition_table, add_condition): Delete.
815 (write_conditions): Don't emit n_insn_conditions nor
816 insn_elision_unavailable. Issue the gcc version #ifdef here,
817 inside the table, with no #else clause ...
818 (write_header): ...not here.
819 (write_writer): New function.
820 (main): Don't initialize condition_table. Use add_c_test.
822 * gensupport.c (init_md_reader_args_cb): Handle multiple input
823 files on the command line.
824 (maybe_eval_c_test): Don't check insn_elision_unavailable.
825 Return -1 if there is no entry in the table, don't abort.
826 (add_c_test, traverse_c_tests): New functions.
827 * gensupport.h (insn_elision_unavailable, insn_conditions)
828 (n_insn_conditions): Delete declarations.
829 (add_c_test, traverse_c_tests): Declare.
830 * read-rtl.c: Include gensupport.h.
831 (read_conditions): New function.
832 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
833 (read_rtx_1): If we get EOF when we were looking for an initial
834 open paren, return 0. Call read_conditions when appropriate.
835 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
836 dummy-conditions.o. Eliminate references to insn-conditions.o,
837 or change them to build/gencondmd.o, as appropriate. Remove
838 insn-constants.h from $(simple_generated_h) and insn-conditions.c
839 from $(simple_generated_c). For all files remaining in those
840 two lists, add insn-conditions.md to the generator command line.
841 Give insn-constants.h/s-constants their own rules. Add rules
842 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
843 (build/read-rtl.o): Depend on gensupport.h.
844 (genprognormal): Include preds.
845 (genprogearly): Rename genprognoprint; only difference is now that
846 they don't link with $(BUILD_PRINT).
847 * dummy-conditions.c: Delete.
849 2006-01-22 Zack Weinberg <zackw@panix.com>
851 * genextract.c: Don't include insn-config.h. Do include vec.h.
852 Declare vectors of int, char, and locstr.
853 (locstr): New typedef.
854 (struct extraction): Make all array fields into bare pointers.
855 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
856 (insn_code_number): Delete.
857 (accum_extract): New struct.
858 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
859 (gen_insn): Take insn_code_number as an argument. Use an
860 accum_extract structure instead of loading data directly into
861 a struct extraction, and having to know how big it might get.
862 (walk_rtx): Operate entirely on an accum_extract structure.
863 (print_path): Avoid unnecessary use of printf.
864 (print_header): New function, split out of main. Distinguish
865 more carefully between an unrecognizable insn and an insn that
866 has the code number of a define_expand.
867 (main): Pass insn_code_number to gen_insn. Call print_header
868 only after parsing. Avoid unnecessary use of printf.
869 * Makefile.in (build/vec.o): New rule.
870 (build/genextract): Depend on build/vec.o.
871 (build/genextract.o): Don't depend on insn-config.h.
873 2006-01-22 Zack Weinberg <zackw@panix.com>
875 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
876 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
877 practical. Eliminate per-generator-program link rules.
879 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
882 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
883 with a call expr to ...
884 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
886 2006-01-23 Richard Guenther <rguenther@suse.de>
888 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
889 before make_edge with conditional EDGE_TRUE_VALUE.
891 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
892 Jan Hubicka <jh@suse.cz>
893 Richard Guenther <rguenther@suse.de>
895 PR rtl-optimization/25654
896 * cfgexpand.c (aggregate_contains_union_type): New function.
897 (add_alias_set_conflicts): Call it. Make sure to add conflicts
898 for structure variables that contain a union type.
900 2006-01-23 Richard Sandiford <richard@codesourcery.com>
902 * gengtype.c (new_structure): Return the structure.
903 (create_option): Add an extra "next" argument.
904 (create_field): New function.
905 (adjust_field_rtx_def): Use create_option and create_field.
906 Remove a now-unnecessary call to find_structure.
907 (adjust_field_tree_def): Likewise.
908 (note_yacc_type): Remove an unnecessary call to find_structure.
909 * gengtype.h (new_structure): Return the structure.
910 (create_option): Add an extra argument.
911 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
912 (option): Adjust calls to create_option.
914 2006-01-22 David Edelsohn <edelsohn@gnu.org>
916 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
918 2006-01-22 Paul Brook <paul@codesourcery.com>
919 Peter Barada <peter@the-baradas.com>
921 * config/m68k/m68k.md: Add Coldfire FPU support.
922 Define FP mode macro and associated attributes.
923 Use it for float mode patterns.
924 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
925 (LIBCALL_VALUE): Use m68k_libcall_value.
926 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
927 (m68k_function_value): Ditto.
928 (emit_move_sequence): Ditto.
929 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
930 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
931 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
932 (MULTILIB_EXCEPTIONS): Ditto.
933 * config/m68k/m68k.opt: Add mcfv4e.
934 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
935 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
936 (m68k_output_function_prologue): Save ColdFire FPU registers.
937 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
938 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
939 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
940 ColdFire FPU registers.
941 (m68k_libcall_value, m68k_function_value): New functions.
942 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
943 (LIBCALL_VALUE): Use m68k_libcall_value.
944 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
945 (MASK_COLDFIRE): Add MASK_CFV4E.
946 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
947 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
948 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
949 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
950 (GO_IF_LEGITIMATE_ADDRESS): Use it.
951 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
952 * doc/invoke.tex: Document -mcfv4e on m68k.
954 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
956 * doc/contribute.texi: Change CVS to SVN and update the corresponding
959 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
962 * c-opts.c (c_common_handle_option): Don't include
963 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
964 * doc/invoke.texi (C++ Dialect Options): Document that
965 -Wnon-virtual-dtor is no longer included in -Wall.
967 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
969 * gcov.c (print_version), gcov-dump.c (print_version),
970 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
973 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
975 * df-scan.c (problem_SCAN): Added NULL reset function.
976 (df_scan_reset_blocks): Added code to call reset block function
977 (df_bb_refs_delete) Fixed comment.
978 (df_insn_refs_delete): Made tolerant of deleting non existent info
979 for dataflow problems that need to be reset.
980 * df-core.c (df_set_blocks): Ditto.
981 * df.h (struct df_problem): Added reset_fun.
982 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
983 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
984 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
985 functions to clear out all references to def-use or use-def chains.
987 2006-01-21 Ben Elliston <bje@au.ibm.com>
989 * varasm.c (assemble_real): Initialise data array.
991 2006-01-20 Paul Brook <paul@codesourcery.com>
993 Merge from csl-arm-branch.
994 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
995 * config/arm/arm.md (movdi): Force operands[1] to a register
996 if we have a non-register source.
997 (*arm_movdi, *movdf_soft_insn): Require that one of the
998 operands be a register.
999 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1000 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1002 2006-01-20 DJ Delorie <dj@redhat.com>
1004 * varasm.c (initialize_constant_valid_p): Allow pointers
1005 initialized from integer constants of lesser precision.
1006 (output_constant): Allow non-int-sized pointer modes to be
1007 initialized from integer constants.
1009 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1012 * cppdefault.h (struct default_include): Add multilib flag.
1013 * cppdefault.c (cpp_include_defaults): Set it.
1014 * c.opt (-imultilib): New option.
1015 * c-opts.c (imultilib): New.
1016 (c_common_handle_option): Handle -imultilib.
1017 (c_common_post_options): Likewise.
1018 * c-incpath.c (add_standard_paths, register_include_chains):
1020 * c-incpath.h (register_include_chains): Add extra parameter.
1021 * gcc.c (do_spec_1): Generate -imultilib option.
1022 (The Specs Language): Update %I description.
1023 (process_command): Update copyright notice.
1024 * doc/cppopts.texi (-imultilib): Document.
1025 * doc/invoke.texi (-imultilib): Include in option summary.
1026 (%I): Update specs documentation.
1028 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1030 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1032 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1034 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1037 2006-01-20 Richard Guenther <rguenther@suse.de>
1038 Steven Bosscher <stevenb.gcc@gmail.com>
1040 PR rtl-optimization/24626
1041 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1042 EDGE_TRUE_VALUE if in RTL mode.
1045 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1046 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1048 2006-01-20 Dirk Mueller <dmueller@suse.com>
1051 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1052 instead of a special NOP marker.
1053 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1054 NOP marker handling.
1055 * c-common.h (empty_body_warning): Add forward declaration.
1056 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1057 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1059 2006-01-20 Paul Brook <paul@codesourcery.com>
1061 * Makefile.in (lang_checks): Keep going if mkdir fails.
1063 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1065 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1066 be able to clean out basic block when not necessary.
1067 (df_scan_free): Fixed to properly delete information if df is
1068 unused before calling df_finish.
1069 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1070 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1072 (df_bb_refs_delete): New function.
1073 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1074 * df-core.c (df_set_blocks): Added code to properly clean out
1075 unused blocks if they are not part of the blocks to consider.
1076 Added additional null check.
1077 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1078 be able to clean out basic block when not necessary
1079 * df.h (df_free_bb_function): Ditto.
1080 (df_bb_refs_delete): New function.
1081 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1082 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1083 basic block parameter to be able to clean out basic block when not
1085 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1086 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1087 Fixed to properly delete information if df is unused before
1090 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1092 PR rtl-optimization/25799
1093 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1094 Corrected confluence operator to remove bits from op2 before oring
1095 with op1 rather than removing bits from op1.
1096 (df_ru_transfer_function): Corrected test on wrong bitmap which
1097 caused infinite loop. Both of these problems were introduced in
1098 the dataflow rewrite.
1100 2006-01-19 DJ Delorie <dj@redhat.com>
1102 * reload1.c (find_reload_regs): Note the details of reload
1103 failures in the dump file.
1104 (spill_failure): Likewise.
1106 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1108 * loop-iv.c: Include df.h and hashtab.h.
1109 (enum iv_grd_result): New enum.
1110 (DF_REF_IV, DF_REF_IV_SET): New macros.
1111 (struct biv_entry): New.
1112 (df, bivs): New global variables.
1113 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1114 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1116 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1117 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1118 analyzed_for_bivness_p, record_biv): New functions.
1119 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1120 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1121 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1123 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1125 (iv_number_of_iterations): Use new interface to iv analysis.
1126 * loop-unroll.c: Do not include varray.h.
1127 (analyze_iv_to_split_insn): Use new interface to iv
1129 * loop-unswitch.c (may_unswitch_on): Ditto.
1130 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1132 (df_bb_modify): Realloc tables to the new index.
1133 (df_find_use): New function.
1134 * df.h (df_find_use): Declare.
1135 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1137 * cfgloop.h (struct rtx_iv): Remove analysed field.
1138 (iv_get_reaching_def): Removed.
1139 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1140 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1141 (loop-iv.o): Add df.h and hashtab.h dependency.
1142 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1144 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1146 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1148 (__floatundisf, __floatundidf): Likewise.
1149 * libgcc2.h (IS_IBM_EXTENDED): Define.
1151 2006-01-19 DJ Delorie <dj@redhat.com>
1153 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1155 2006-01-19 Paul Brook <paul@codesourcery.com>
1157 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1158 as nothrow when unwinding tables are disabled.
1160 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1163 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1164 of bit-field" when in system header.
1166 2006-01-19 DJ Delorie <dj@redhat.com>
1168 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1169 the 16 bit shift limit of the m16c.
1171 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1174 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1175 * config/i386/i386.c (output_set_got): Output the label if we have one
1176 for the TARGET_DEEP_BRANCH_PREDICTION case.
1178 2006-01-19 Jan Hubicka <jh@suse.cz>
1179 H.J. Lu <hongjiu.lu@intel.com>
1180 Evandro Menezes <evandro.menezes@amd.com>
1182 * invoke.texi (generic): Document
1184 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1185 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1186 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1187 (x86_use_incdec, x86_pad_returns): New variables
1188 (TARGET_CPU_DEFAULT_generic): New constant
1189 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1190 (enum processor_type): Add generic32 and generic64.
1191 * i386.md (cpu attribute): Add generic32/generic64
1192 (movhi splitter): Behave sanely when both partial_reg_dependency and
1193 partial_reg_stall are set.
1194 (K8 splitters): Enable for generic as well.
1195 * predicates.md (incdec_operand): Use TARGET_INCDEC
1196 (aligned_operand): Avoid memory mismatch stalls.
1197 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1198 * ppro.md: Enable for generic32
1199 * i386.c (generic64_cost, generic32_cost): New.
1200 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1201 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1202 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1203 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1204 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1205 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1206 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1207 x86_accumulate_outgoing_args, x86_prologue_using_move,
1208 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1209 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1211 (x86_use_incdec, x86_pad_returns): New.
1212 (override_options): Add generic32 and generic64, translate "generic"
1213 to generic32/generic64 and "i686" to "generic32", refuse
1214 "generic32"/"generic64" as arch target.
1215 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1216 (ix86_reorg): Honor PAD_RETURNS.
1218 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1220 * tree-pretty-print.c (dump_generic_node): Handle
1221 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1222 * cgraph.c (cgraph_expand_queue): Rename from
1223 cgraph_analyze_queue. Update all users.
1224 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1225 cgraph_expand_queue.
1226 (cgraph_expand_all_functions): Likewise.
1227 (cgraph_finalize_pending_functions): Remove. Update callers.
1229 * tree.h (OMP_DIRECTIVE_P): Define.
1230 (OMP_PARALLEL_FN): Define.
1231 (OMP_PARALLEL_DATA_ARG): Define.
1232 (OMP_SECTIONS_SECTIONS): Define.
1233 * tree-pass.h (pass_expand_omp): Declare.
1234 * omp-low.c (struct omp_region): Declare.
1235 (struct omp_context): Remove fields 'parallel_type',
1236 'parallel_start_ix' and 'parallel_start_additional_args'.
1238 (struct omp_for_data): Rename from struct expand_omp_for_data.
1239 (omp_regions): New static variable.
1240 (root_omp_region): New static variable.
1241 (find_omp_clause): Make static.
1242 (is_in_combined_parallel_ctx): Remove.
1243 (is_combined_parallel): New.
1244 (extract_omp_for_data): Move earlier in the file.
1245 (workshare_safe_to_combine_p): New.
1246 (get_ws_args_for): New.
1247 (determine_parallel_type): Move earlier in the file.
1248 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1250 (omp_copy_decl): Likewise.
1251 (create_omp_child_function): Likewise.
1252 (lookup_omp_region): New.
1253 (dump_omp_region): New.
1254 (debug_omp_region): New.
1255 (debug_all_omp_regions): New.
1256 (new_omp_region): New.
1257 (scan_omp_parallel): If parallel_nesting_level > 1, the
1258 directive is nested within another parallel directive.
1259 Set OMP_PARALLEL_FN.
1260 (scan_omp_for): Do not try to handle combined parallel+for
1262 Remove FIXME comment.
1263 (scan_omp_nested): Remove.
1264 (scan_omp_1): Do not call scan_omp_nested when
1265 parallel_nesting_level is > 1.
1266 Do not change the DECL_CONTEXT of local variables found.
1267 (lookup_decl_in_outer_ctx): New.
1268 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1269 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1270 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1271 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1272 If CTX is nested, lookup VAR in the outer context when
1273 building copy assignment.
1274 (lower_send_clauses): Rename from expand_send_clauses.
1275 If CTX is nested, lookup VAR in the outer context when
1276 building copy assignments.
1277 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1278 If CTX is nested, lookup VAR in the outer context when
1279 building copy assignments.
1280 (expand_parallel_call): Rename from build_parallel_call.
1281 Handle combined parallel+workshare cases.
1282 Re-implement to emit code into the CFG.
1284 (expand_omp_parallel): Re-implement to emit code into the CFG.
1285 Call move_sese_region_to_fn to outline the sub-graph
1286 containing the parallel region.
1287 (expand_omp_for_1): Remove.
1288 (expand_omp_for_generic): Re-implement to emit code into the
1290 (expand_omp_for_static_nochunk): Likewise.
1291 (expand_omp_for_static_chunk): Likewise.
1292 (expand_omp_for): Likewise.
1293 (expand_omp_sections): Likewise.
1294 (remove_exit_barriers): New.
1295 (expand_omp_synch): New.
1297 (build_omp_regions_1): New.
1298 (build_omp_regions): New.
1299 (execute_expand_omp): New.
1300 (gate_expand_omp): New.
1301 (pass_expand_omp): Define.
1302 (lower_omp_sections): Rename from expand_omp_sections.
1303 Set OMP_SECTIONS_SECTIONS.
1304 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1305 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1306 (lower_omp_single): Rename from expand_omp_simple.
1307 (lower_omp_master): Rename from expand_omp_master.
1308 (lower_omp_ordered): Rename from expand_omp_ordered.
1309 (lower_omp_critical): Rename from expand_omp_critical.
1310 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1311 (lower_omp_for): Re-implement.
1312 (lower_omp_parallel): Re-implement.
1313 (lower_regimplify): Rename from expand_regimplify.
1314 (lower_omp_1): Rename from expand_omp_1.
1315 If there are syntax errors in the program, replace every
1316 OpenMP directive with NOP.
1317 Call lower_omp_* instead of expand_omp_*.
1318 (lower_omp): Rename from expand_omp.
1320 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1321 * tree-gimple.h (enum omp_parallel_type): Remove.
1322 (gimple_boolify): Declare extern.
1323 (find_omp_clause, determine_parallel_type): Remove.
1325 * gimple-low.c (lower_omp_directive): New.
1326 (lower_stmt): Call it.
1327 (record_vars_into): Move from ...
1328 (record_vars): ... here.
1329 Call record_vars_into with current_function_decl.
1331 * gimplify.c (struct gimplify_ctx): Remove fields
1332 combined_pre_p and combined_ctxp. Update users.
1333 (get_formal_tmp_var): Add documentation.
1334 (gimple_boolify): Make extern.
1335 (gimplify_expr_in_ctx): Remove. Update callers.
1336 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1337 will always be a BIND_EXPR.
1338 (gimplify_expr): Handle OMP_RETURN_EXPR.
1339 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1340 (OMP_PARALLEL): Add 3 operands.
1341 (OMP_SECTIONS): Add 1 operand.
1342 (OMP_RETURN_EXPR): Define.
1344 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1345 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1346 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1347 creating a circular free list.
1348 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1350 * tree-flow.h (move_sese_region_to_fn): Declare.
1351 (record_vars_into): Declare.
1352 * tree-cfg.c (make_omp_sections_edges): New.
1353 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1354 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1355 OMP_SECTIONS and OMP_SECTION.
1356 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1357 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1358 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1359 (gather_blocks_in_sese_region): New.
1360 (struct move_stmt_d): Declare.
1362 (move_block_to_fn): New.
1363 (move_sese_region_to_fn): New.
1365 * passes.c (init_optimization_passes): Schedule
1366 pass_expand_omp after pass_init_datastructures.
1368 * tree-ssa-operands.c (get_expr_operands): Handle
1369 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1370 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1372 2006-01-19 Jeff Law <law@redhat.com>
1374 * tree-vrp.c (extract_range_from_assert): Refine the result range
1375 if the variable referenced by the ASSERT_EXPR has a range and
1376 either the tentative result range or the previous range is a
1379 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1381 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1383 2006-01-19 Jan Hubicka <jh@suse.cz>
1385 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1387 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1389 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1390 (expand_compound_operation, expand_field_assignment): Fail if the
1391 bit lengths of an extract operation are out of range.
1392 (make_extraction): Compute wanted_inner_mode based on the position
1393 and length of the extraction. Make it extraction_mode for non-constant
1394 positions, and do not modify offset in that case. When generating a
1395 new MEM, use a mode that can hold the extraction while keeping correct
1396 alignment. Remove code that supported MEMs wrapped by USEs.
1397 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1399 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1401 * config/s390/s390.md ("Y", "y"): New mode attribute.
1402 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1403 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1404 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1405 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1406 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1407 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1408 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1409 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1410 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1411 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1412 "addsi3", "subsi3"): Insn patterns removed.
1413 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1414 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1415 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1416 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1417 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1418 "*sub<mode>3_cconly2"): New insn patterns.
1419 ("addsi3", "subsi3"): New expanders.
1421 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1423 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1424 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1425 existing STMT_VINFO_VECTYPE if available.
1426 (vect_mark_relevant): Add special handling for stmts that are
1427 marked as STMT_VINFO_IN_PATTERN_P.
1428 (vect_analyze_loop): Call vect_pattern_recog.
1429 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1430 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1432 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1433 (vect_recog_func_ptr): New function-pointer type.
1434 * tree-vect-patterns.c: New file.
1435 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1436 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1437 (vect_pattern_recog_1): New functions.
1438 (vect_pattern_recog_funcs): New array of function pointers.
1440 * tree-vectorizer.h (ternary_op): New enum value.
1441 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1442 declaration. Revised documentation. Removed redundant dump prints.
1443 Removed redundant argument. Added support for reduction patterns.
1444 (vectorizable_reduction): Added support for reduction patterns.
1445 (vect_transform_stmt): Added support for patterns.
1447 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1448 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1449 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1450 (expand_widen_pattern_expr): New function.
1451 (init_optabs): Initialize new optabs udot_prod_optab,
1453 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1454 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1455 (expand_widen_pattern_expr): New function declaration.
1456 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1458 * tree-inline.c (estimate_num_insns_1): Added cases for new
1459 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1460 * tree-pretty-print.c (dump_generic_node): Likewise.
1461 (op_prio): Likewise.
1462 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1463 * tree-ssa-operands.c (get_expr_operands): Added case for
1465 * tree-vect-patterns.c (widened_name_p): New function.
1466 (vect_recog_dot_prod_pattern): Added function implementation.
1467 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1468 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1469 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1470 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1472 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1473 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1474 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1475 (init_optabs): Initialize new optabs widen_ssum_optab,
1477 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1478 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1479 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1480 use instead of type of def.
1481 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1482 function implementation.
1483 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1484 widen_ssumv8hi): New.
1486 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1489 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1492 * c-decl.c (add_flexible_array_elts_to_size): New function.
1493 (finish_decl): Use it.
1495 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1497 * diagnostic.h: Include options.h.
1498 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1499 dependancies for diagnostic.h.
1500 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1502 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1504 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1505 (ssa_ro_call_cache_valid): Ditto.
1506 * tree-ssa-alias.c (sort_tags_by_id): New function.
1507 (init_transitive_clobber_worklist): Ditto.
1508 (add_to_worklist): Ditto.
1509 (mark_aliases_call_clobbered): Ditto.
1510 (compute_tag_properties): Ditto.
1511 (set_initial_properties): Ditto.
1512 (compute_call_clobbered): Ditto.
1513 (compute_may_aliases): Call compute_call_clobbered and grouping.
1514 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1515 (compute_flow_insensitive_aliasing): Grouping now happens in our
1517 (setup_pointers_and_addressables): Remove clobbering related code.
1518 (add_may_alias): Ditto.
1519 (replace_may_alias): Ditto.
1520 (get_nmt_for): Ditto.
1521 (create_global_var):
1522 (is_escape_site): Return an escape_type enumeration.
1523 * tree-flow-inline.h (is_call_clobbered): Global var does not
1524 imply call clobbered.
1525 (mark_call_clobbered): Take a reason for marking this. Remove
1526 marking of globalness, and cache invalidation.
1527 (clear_call_clobbered): Remove cache invalidation code.
1528 * tree-dfa.c (dump_variable): If details is on, dump the reason
1530 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1532 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1533 (struct var_ann_d): Ditto.
1534 (enum escape_type): New.
1535 (mark_call_clobbered): Adjust prototype.
1536 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1537 are never call clobbered.
1538 Record reasons for escaping.
1539 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1540 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1541 (ssa_ro_call_cache_valid): Ditto.
1542 (clobbered_v_may_defs): Ditto.
1543 (clobbered_vuses): Ditto.
1544 (ro_call_vuses): Ditto.
1545 (clobber_stats): New.
1546 (init_ssa_operands): Zero out clobber stats.
1547 (fini_ssa_operands): Print out clobber stats.
1548 (get_call_expr_operands): Pass callee fndecl to
1550 (add_call_clobber_ops): Remove use of cache.
1551 Add use of PURE_CONST information.
1552 (add_call_read_ops): Remove use of cache.
1553 Add use of static not_read information.
1555 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1557 Introduce TLS descriptors for i386 and x86_64.
1558 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1559 (TARGET_ANY_GNU_TLS): New macro.
1560 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1561 (struct machine_function): Add tls_descriptor_call_expanded_p.
1562 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1563 (ix86_current_function_calls_tls_descriptor): Likewise.
1564 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1565 (override_options): Introduce gnu2 tls dialect.
1566 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1568 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1570 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1571 (ix86_init_machine_status): Initialize new field.
1572 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1573 (ix86_tls_module_base): New.
1574 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1575 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1576 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1577 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1578 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1579 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1580 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1581 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1582 * config/i386/predicates.md (tls_modbase_operand): New.
1583 (tp_or_register_operand): New.
1585 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1587 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1588 (look_for_address_of): Ditto.
1589 (ipa_init): Walk the function decls.
1590 (static_execute): Don't set readonly on FUNCTION_DECL's.
1592 2006-01-18 Roger Sayle <roger@eyesopen.com>
1594 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1595 for shifts where the source and destination registers are different.
1597 2006-01-18 Paul Brook <paul@codesourcery.com>
1599 Merge from csl-arm-branch.
1600 2005-03-14 Julian Brown <julian@codesourcery.com>
1601 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1602 (aeabi_llsl): Likewise.
1603 (ashrdi3): Likewise.
1604 (aeabi_lasr): Likewise.
1605 (lshrdi3): Likewise.
1606 (aeabi_llsr): Likewise.
1607 2005-03-10 Julian Brown <julian@codesourcery.com>
1608 * config.gcc: Disable shared libgcc for SymbianOS.
1609 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1611 2006-01-18 DJ Delorie <dj@redhat.com>
1613 * c-pragma.c (handle_pragma_diagnostic): New.
1614 (init_pragma): Register it.
1615 * doc/extend.texi: Document it.
1617 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1618 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1619 (diagnostic_context): Add classify_diagnostic[].
1620 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1621 as errors if they're overridden to DK_WARNING.
1622 (diagnostic_initialize): Initialize classify_diagnostic[].
1623 (diagnostic_set_kind_override): New.
1624 (diagnostic_report_diagnostic): Check for kind changes.
1625 * opts.c (common_handle_option): Take lang_mask. Update callers.
1627 * common.opt (Werror=): New.
1628 * doc/invoke.texi: Document -Werror=*
1630 2006-01-18 Jeff Law <law@redhat.com>
1632 * tree-vrp.c (test_for_singularity): Correct test for new
1633 min limit. Use operand_equal_p rather than pointer equality
1634 for testing if new min/max values are equal.
1636 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1637 using range information until after propagation and folding.
1639 2006-01-18 Richard Henderson <rth@redhat.com>
1640 Aldy Hernandez <aldyh@redhat.com>
1641 Jakub Jelinek <jakub@redhat.com>
1642 Diego Novillo <dnovillo@redhat.com>
1644 * omp-low.c: New file.
1645 * c-omp.c: New file.
1647 2006-01-18 Richard Henderson <rth@redhat.com>
1648 Jakub Jelinek <jakub@redhat.com>
1649 Diego Novillo <dnovillo@redhat.com>
1651 * doc/invoke.texi: Document -fopenmp.
1652 * tree-dump.h (debug_function): Declare.
1653 * hooks.c (hook_bool_tree_bool_false): New function.
1654 (hook_tree_tree_null): Remove.
1655 (hook_tree_tree_tree_null): New.
1656 * hooks.h: Update to match.
1657 * tree-pretty-print.c (debug_tree_chain): New.
1658 (print_generic_expr): Handle TDF_CHAIN.
1659 (dump_generic_node): Handle BLOCK.
1660 Do not abort with incomplete SWITCH_EXPRs.
1661 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1662 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1663 print space after directive name.
1664 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1665 Handle OMP_MASTER and OMP_ORDERED.
1666 Handle printing of OMP_BODY just in one place, goto
1667 dump_omp_body in the rest of OMP_* nodes that have
1669 Don't handle clause nodes here. Update omp statements to
1670 use dump_omp_clauses.
1671 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1672 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1673 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1674 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1675 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1676 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1677 Adjust output for GOMP_PARALLEL.
1678 (dump_omp_clauses): New.
1679 (print_declaration): Dump DECL_VALUE_EXPR.
1680 (op_symbol_1): Split out of op_symbol.
1681 (dumping_stmts): Remove. Update all users.
1682 * cgraph.c (cgraph_analyze_queue): New.
1683 (cgraph_add_new_function): New.
1684 * cgraph.h (cgraph_analyze_queue): Declare.
1685 (cgraph_add_new_function): Declare.
1686 (cgraph_lower_function): Remove.
1687 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1688 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1689 and TYPE_P nodes in its default clause.
1690 (empty_body_p): New.
1691 (tree_range_check_failed): New.
1693 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1694 OMP_CLAUSE_REDUCTION_MERGE,
1695 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1696 OMP_CLAUSE_PRIVATE_DEBUG,
1697 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1698 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1699 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1700 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1701 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1702 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1703 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1704 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1705 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1706 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1707 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1708 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1709 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1710 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1711 (TREE_RANGE_CHECK): New.
1712 (empty_body_p): Declare.
1713 (enum omp_clause_default_kind): New.
1714 (build_string_literal): Declare.
1715 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1716 (build5_stat, build5): Declare.
1717 * tree-pass.h (TDF_CHAIN): Define.
1718 * tree-pass.h (PROP_gimple_lomp): Define.
1719 (pass_lower_omp): Declare.
1720 * diagnostic.h (debug_tree_chain): Declare.
1721 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1723 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1724 * builtins.c (build_string_literal): Make extern.
1725 * gcc.c (include_spec_function): New.
1726 (static_spec_functions): Add it.
1727 (main): Move load of libgomp.spec ...
1728 (LINK_COMMAND_SPEC): ... here.
1729 (link_gomp_spec): New.
1730 (static_specs): Include it.
1731 (LINK_COMMAND_SPEC): Add link_gomp.
1732 (GOMP_SELF_SPECS): New.
1733 (driver_self_specs): Include it.
1734 (switch_matches): Don't mark inline.
1735 (main): Load libgomp.spec.
1736 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1737 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1738 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1739 * tree-gimple.h (enum omp_parallel): Declare.
1740 (determine_parallel_type): Declare.
1741 (omp_firstprivatize_variable): Declare.
1742 (omp_reduction_init): Declare.
1743 (diagnose_omp_structured_block_errors): Declare.
1744 (struct walk_stmt_info): Add want_return_expr.
1745 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1746 (find_omp_clause): Declare.
1747 (insert_field_into_struct): Declare.
1748 (struct walk_stmt_info): Move from tree-nested.c
1749 (walk_stmts): Declare.
1750 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1752 * cgraphunit.c (cgraph_lower_function): Make static.
1753 (cgraph_finalize_pending_functions): New.
1754 (cgraph_finalize_function): Call it.
1755 (cgraph_finalize_compilation_unit): Likewise.
1756 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1757 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1758 (BT_FN_UINT_UINT): New.
1759 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1760 DEF_FUNCTION_TYPE_VAR_4): Document.
1761 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1762 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1763 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1764 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1765 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1766 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1767 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1768 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1769 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1770 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1771 into separate files.
1772 (DEF_GOMP_BUILTIN): New.
1773 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1774 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1775 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1776 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1777 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1778 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1779 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1780 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1781 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1782 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1783 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1784 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1785 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1786 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1787 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1788 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1789 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1790 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1791 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1792 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1793 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1794 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1795 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1796 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1797 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1798 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1799 * sync-builtins.def: New file, moved from builtins.def.
1800 * omp-builtins.def: New file, moved from builtins.def.
1801 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1802 * gimple-low.c (lower_function_body): Clear data.
1803 (lower_stmt): Do not handle COMPOUND_EXPR.
1804 Remove call to print_node_brief.
1805 * c-tree.h (c_finish_omp_clauses): New prototype.
1806 (C_DECL_THREADPRIVATE_P): Define.
1807 (lookup_name_no_remap, c_omp_remap_private): Remove
1808 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1809 (check_for_loop_decls): Update decl.
1810 (lookup_name_no_remap, c_omp_remap_private): Declare.
1811 (build_indirect_ref, build_modify_expr, pushdecl,
1812 pushdecl_top_level): Move to c-common.h.
1813 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1814 before the switch, but just in the 2 places that need it.
1815 * c-decl.c (diagnose_mismatched_decls): Do not check for
1816 mismatched thread-local attributes when OLDDECL is marked
1817 threadprivate and NEWDECL has no thread-local attributes.
1818 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1819 (c_gimple_diagnostics_recursively): Rename from
1820 c_warn_unused_result_recursively. Invoke
1821 diagnose_omp_structured_block_errors.
1822 (check_for_loop_decls): Return a singular decl found.
1823 * langhooks.c (lhd_omp_predetermined_sharing): Return
1824 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1825 (lhd_omp_firstprivatize_type_sizes): New.
1826 (lhd_omp_assignment): New.
1827 (lhd_omp_predetermined_sharing): New.
1828 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1829 (struct lang_hooks_for_types): Add
1830 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1831 omp_predetermined_sharing, omp_disregard_value_expr,
1832 omp_private_debug_clause, omp_clause_default_ctor,
1833 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1834 (c_finish_omp_clauses): New.
1835 (c_finish_bc_stmt): Diagnose break within omp for.
1836 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1837 (build_unary_op): Return error_mark after reporting
1839 (build_modify_expr): Likewise.
1840 * gimplify.c: Include optabs.h and pointer-set.h.
1841 (enum gimplify_omp_var_data): Declare.
1842 (struct gimplify_omp_ctx): Declare.
1843 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1845 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1846 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1847 (splay_tree_compare_decl_uid): New.
1848 (new_omp_context): New.
1849 (delete_omp_context): New.
1850 (gimple_add_tmp_var): Call omp_add_variable.
1851 (gimplify_bind_expr): Likewise.
1852 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1853 true, disregard DECL_VALUE_EXPR on the decl if any.
1854 (gimplify_expr_in_ctx): New.
1855 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1856 omp_add_variable, omp_notice_variable, omp_is_private
1857 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1858 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1859 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1860 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1861 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1862 gimplify_omp_atomic): New.
1863 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1864 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1865 OMP_CRITICAL and OMP_ATOMIC.
1866 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1867 * c-pragma.h (enum pragma_kind): Add
1868 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1869 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1870 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1871 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1872 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1873 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1874 PRAGMA_OMP_THREADPRIVATE.
1875 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1876 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1877 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1878 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1879 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1880 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1881 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1882 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1883 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1884 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1885 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1886 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1887 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1889 (struct nesting_info): Add field_map,
1890 suppress_expansion, debug_var_chain.
1891 (create_nesting_tree): Initialize them.
1892 (lookup_field_for_decl): Use field_map.
1893 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1894 (convert_local_omp_clauses): New.
1895 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1896 (walk_body): Split out of walk_function.
1897 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1898 (convert_nonlocal_reference): Handle omp statements.
1899 (convert_local_reference): Likewise.
1900 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1901 (unnest_nesting_tree): New.
1902 (lower_nested_functions): Call it.
1903 (insert_field_into_struct): Make extern.
1904 (struct walk_stmt_info): Move to tree-gimple.h.
1905 (walk_stmts): Make extern.
1906 * omp-builtins.def: New file.
1907 * tree-iterator.c (expr_only): Clarify comment.
1908 * c-common.h (pushdecl_top_level, pushdecl,
1909 build_modify_expr, build_indirect_ref,
1910 c_finish_omp_master, c_finish_omp_critical,
1911 c_finish_omp_ordered, c_finish_omp_barrier,
1912 c_finish_omp_atomic, c_finish_omp_flush,
1913 c_finish_omp_for, c_split_parallel_clauses,
1914 omp_clause_default_kind, c_omp_sharing_predetermined,
1915 c_omp_remap_decl): Declare.
1916 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1917 (OBJS-common): Add omp-low.o.
1918 (c-omp.o, omp-low.o): Add.
1919 (gimplify.o): Add dependency on $(OPTABS_H).
1920 (GTFILES): Add omp-low.c.
1921 (gt-stringpool.h): Add.
1922 * tree-cfg.c (set_bb_for_stmt): Do not update the
1923 block-to-labels map if we are currently expanding to RTL.
1924 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1926 Handle IDENTIFIER_NODE.
1927 (tree_verify_flow_info): Do not ICE when emitting error
1928 messages about invalid labels.
1929 (dump_function_to_file): Reset CFUN before emitting the body
1931 (debug_function): New.
1932 * passes.c (init_optimization_passes): Schedule
1934 * langhooks-def.h (lhd_omp_predetermined_sharing,
1935 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1937 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1938 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1939 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1940 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1941 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1942 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1943 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1944 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1945 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1946 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1947 (LANG_HOOK_DECLS): Use them.
1949 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1950 Richard Henderson <rth@redhat.com>
1951 Jakub Jelinek <jakub@redhat.com>
1952 Diego Novillo <dnovillo@redhat.com>
1954 * c-parser.c (pragma_omp_clause): Define.
1955 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1956 (c_parser_compound_statement): Likewise.
1957 (c_parser_statement): Likewise.
1958 (c_parser_pragma): Handle omp pragmas.
1959 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1960 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1961 (c_parser_omp_clause_name, check_no_duplicate_clause,
1962 c_parser_omp_variable_list,
1963 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1964 c_parser_omp_clause_copyprivate,
1965 c_parser_omp_clause_default,
1966 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1967 c_parser_omp_clause_lastprivate,
1968 c_parser_omp_clause_nowait,
1969 c_parser_omp_clause_num_threads,
1970 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1971 c_parser_omp_clause_reduction,
1972 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1973 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1974 c_parser_omp_atomic, c_parser_omp_barrier,
1975 c_parser_omp_critical, c_parser_omp_flush,
1976 c_parser_omp_for_loop, c_parser_omp_for,
1977 c_parser_omp_master, c_parser_omp_ordered,
1978 c_parser_omp_sections_scope, c_parser_omp_sections,
1979 c_parser_omp_parallel, c_parser_omp_single,
1980 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1981 * c-pragma.c (init_pragma): Do omp pragma registration here.
1982 * c.opt (fopenmp): New flag.
1984 2006-01-18 Eric Christopher <echristo@apple.com>
1986 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1987 * config/darwin.h (GOMP_SELF_SPECS): Define.
1989 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1991 * rtl.h: Remove the prototype for reg_alloc.
1993 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1996 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1997 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1998 sjlj and dwarf2 exception handling.
1999 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2000 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2001 * pa/pa.c (function_value): Treat complex and vector types as
2003 (function_arg): Likewise. Only pass scalar floats in the floating
2004 point argument registers.
2005 * pa/t-slibgcc-dwarf-ver: New file.
2006 * pa/t-slibgcc-sjlj-ver: New file.
2007 * pa/t-slibgcc-elf-ver: Delete file.
2009 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2011 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2012 unlikely_test_section_p test.
2014 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2016 * mode-switching.c (optimize_mode_switching): Make it static.
2017 * basic-block.h: Remove the prototype for
2018 optimize_mode_switching.
2020 * modulo-sched.c (sms_schedule): Make it static.
2021 * rtl.h: Remove the prototype for sms_schedule.
2023 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2024 * rtl.h: Remove the prototype for gcse_after_reload_main.
2026 * reg-stack.c (reg_to_stack): Make it static.
2027 * rtl.h: Remove the prototype for reg_to_stack.
2029 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2031 * rtl.h: Remove the prototypes for regrename_optimize and
2032 copyprop_hardreg_forward.
2034 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2036 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2037 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2038 Test against the appropriate null constant for the mode.
2039 If 'fixup_overlap' is true, swap the operands if they overlap.
2040 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2041 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2042 alpha_split_tmode_pair and adjust for above change.
2043 * config/alpha/alpha.md (movtf_internal): Adjust call to
2044 alpha_split_tfmode_pair and rely on it to swap the operands.
2045 (movti_internal): New insn and post-reload splitter.
2046 (movti): New expander.
2048 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2050 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2053 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2055 * rtlanal.c (global_reg_mentioned_p_1,
2056 global_reg_mentioned_p): Remove.
2057 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2059 * flow.c (initialize_uninitialized_subregs): Make it static.
2060 * rtl.h: Remove the prototype for
2061 initialize_uninitialized_subregs.
2063 * function.c (instantiate_virtual_regs): Make it static.
2064 * function.h: Remove the prototype for
2065 instantiate_virtual_regs.
2067 * regmove.c (regmove_optimize, combine_stack_adjustments):
2069 * rtl.h: Remove the prototypes for regmove_optimize and
2070 combine_stack_adjustments.
2072 2006-01-17 Roger Sayle <roger@eyesopen.com>
2074 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2075 (size_cost): Encode costs in bytes so that a reg-reg addition is
2076 equivalent to COSTS_N_INSNS(1).
2077 (override_options): Use the size_cost.branch_cost as the default
2078 ix86_branch_cost when optimizing for size.
2080 2006-01-18 Ben Elliston <bje@au.ibm.com>
2082 * Makefile.in (D32PBIT_FUNCS): New.
2083 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2084 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2085 D64PBIT_FUNCS and D128PBIT_FUNCS.
2086 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2087 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2089 (decnumber_dep): Define.
2090 * doc/libgcc.texi (Decimal float library routines): New node.
2091 * config/dfp-bit.h, config/dfp-bit.c: New files.
2093 2006-01-18 Ben Elliston <bje@au.ibm.com>
2095 * expr.c (emit_move_change_mode): Always adjust addresses, not
2096 just during reload. Copy replacements only during reload.
2097 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2098 emit_move_via_integer.
2100 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2102 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2103 instead of $(srcdir) and ${srcdir}.
2105 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2109 * arm.h (struct machine_function): Add pic_reg.
2110 * arm.c (arm_pic_register): Make unsigned.
2111 (arm_override_options): Only set arm_pic_register if
2112 TARGET_SINGLE_PIC_BASE.
2113 (use_return_insn): Only test for a pic register if it is fixed.
2114 (arm_compute_save_reg0_reg12_mask): Likewise.
2115 (thumb_compute_save_reg_mask): Likewise.
2116 (legitimate_pic_operand): Factor out some known invariants.
2117 (legitimize_pic_address): If we don't have a fixed pic register,
2118 then set up a pseudo in the function entry sequence. Handle the
2119 pic base being in a pseudo.
2120 (arm_load_pic_register): Handle the pic register being in a pseudo.
2121 (arm_expand_prologue): Only set up the pic register if it is fixed.
2122 (thumb_expand_prologue): Likewise.
2123 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2124 (pic_load_addr_based_insn): Likewise.
2125 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2128 2006-01-18 Ben Elliston <bje@au.ibm.com>
2130 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2131 decimal float modes for all floating point registers.
2133 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2134 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2136 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2139 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2140 even when the pointer is not NULL.
2142 2006-01-16 Ian Lance Taylor <ian@airs.com>
2144 * common.opt (ftoplevel-reorder): New option.
2145 * cgraph.c (cgraph_asm_nodes): New global variable.
2146 (cgraph_asm_last_node): New static variable.
2147 (cgraph_order): New global variable.
2148 (cgraph_create_node): Set new order field.
2149 (cgraph_varpool_node): Likewise.
2150 (decide_is_variable_needed): Return true if not
2151 flag_toplevel_reorder.
2152 (cgraph_add_asm_node): New function.
2153 * cgraph.h (struct cgraph_node): Add order field.
2154 (struct cgraph_varpool_node): Add order field.
2155 (struct cgraph_asm_node): Define.
2156 (cgraph_asm_nodes, cgraph_order): Declare.
2157 (cgraph_add_asm_node): Declare.
2158 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2160 (cgraph_varpool_assemble_pending_decls): Call it.
2161 (cgraph_output_pending_asms): New static function.
2162 (cgraph_finalize_compilation_unit): Call it.
2163 (struct cgraph_order_sort): Define.
2164 (cgraph_output_in_order): New static function.
2165 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2166 !flag_toplevel_reorder case.
2167 * c-parser.c: Include "cgraph.h".
2168 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2170 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2171 than -fno-unit-at-a-time.
2172 * doc/invoke.texi (Option Summary): Mention
2173 -fno-toplevel-reorder.
2174 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2175 -funit-at-a-time documentation.
2177 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2178 Kazu Hirata <kazu@codesourcery.com>
2180 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2182 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2184 * Makefile.in (FUNCTION_H): New. Use it instead of
2185 function.h throughout the file.
2186 * function.h: Include tree.h.
2188 2006-01-17 Ben Elliston <bje@au.ibm.com>
2190 * recog.c: Separate some functions with whitespace.
2192 2006-01-16 Richard Henderson <rth@redhat.com>
2194 Merge from gomp branch:
2195 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2196 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2197 and rename from struct inline_data. Rename callee* to dst*;
2198 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2199 transform_new_cfg, transform_return_to_modify, and
2200 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2202 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2203 (copy_decl_for_dup): Remove.
2204 * tree-inline.c (struct inline_data): Move to header.
2205 (insert_decl_map): Export.
2206 (remap_decl): Update for member name changes. Use copy_decl hook.
2207 Allow for replacement to be a non-decl. Remove dead code.
2208 (remap_type_1): Check for existing mapping.
2209 (remap_type): Export.
2210 (remap_decls): Update for member name changes.
2211 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2212 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2213 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2214 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2215 (tree_function_versioning, build_duplicate_type): Likewise.
2216 (copy_body_r): Likewise. Export.
2217 (copy_decl_for_dup): Split into ...
2218 (copy_decl_for_dup_finish, copy_decl_to_var,
2219 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2220 (replace_ref_tree, inlining_p): Remove.
2222 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2224 * ifcvt.c (if_convert): Make it static.
2225 * rtl.h: Remove the prototype for if_convert.
2227 * local-alloc.c (local_alloc): Make it static.
2228 * rtl.h: Remove the prototype for local_alloc.
2230 * loop.c (loop_optimize): Make it static.
2231 * cfgloop.h: Remove the prototype for loop_optimize.
2234 2006-01-16 DJ Delorie <dj@redhat.com>
2236 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2239 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2241 * pa.md: Disparage copies between general and floating-point registers
2242 in 32-bit move patterns.
2244 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2247 * Makefile.in (check-%): Depend on site.exp instead of
2248 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2251 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2253 * global.c (global_alloc): Make it static.
2254 * rtl.h: Remove the prototype for global_alloc.
2256 2006-01-16 Richard Guenther <rguenther@suse.de>
2258 * tree-ssa-alias.c (struct used_part): Add write_only field.
2259 (get_or_create_used_part_for): Initialize it to true.
2260 (create_overlap_variables_for): Don't create structure variables
2261 for structures that only are written to.
2262 (find_used_portions): Handle MODIFY_EXPR to track whether a
2263 structure is only written to.
2265 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2267 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2269 * basic-block.h: Remove the prototype for
2270 partition_hot_cold_basic_blocks.
2272 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2274 * cppspec.c (lang_specific_spec_functions): Remove.
2275 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2276 * gcc.h (lang_specific_spec_functions): Remove.
2277 * gccspec.c (lang_specific_spec_functions): Remove.
2279 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2281 * combine.c (record_value_for_reg): Invalidate registers
2283 (record_dead_and_set_regs_1): Likewise, by passing them to
2284 record_value_for_reg.
2285 (record_dead_and_set_regs): Invalidate stores made by a
2286 call. We do not combine across a call, but we still
2287 relied on equivalences.
2289 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2291 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2292 vrp_int_const_binop returning non-constant nodes.
2294 2006-01-16 Paul Brook <paul@codesourcery.com>
2296 * config/m68k/m68k.c (output_move_const_into_data_reg):
2297 Output correct mnemonic for mvz and mvs.
2299 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2301 * rtl-factoring.c: Add sequence abstraction algorithm.
2302 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2303 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2305 (block_has_preserve_label): New function.
2306 * common.opt: Register new pass.
2307 * Makefile.in: Ditto.
2309 * timevar.def: Ditto.
2310 * tree-pass.h: Ditto.
2311 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2312 * rtl.h (make_jump_insn_raw): Add forward decl.
2313 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2315 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2316 Roger Sayle <roger@eyesopen.com>
2318 * fold-const.c (fold_minmax): New static function.
2319 (fold_binary) <MIN_EXPR>: Call it.
2320 <MAX_EXPR>: Likewise.
2321 * stor-layout.c (place_field): Use DECL_SIZE consistently
2322 in the computation of the new record size.
2324 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2326 * cse.c (cse_condition_code_reg): Make it static.
2327 * rtl.h: Remove the prototype for cse_condition_code_reg.
2329 * combine.c (combine_instructions): Make it static.
2330 * rtl.h: Remove the prototype for combine_instructions.
2332 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2335 * tree.c (get_file_function_name_long): Concatenate the first global
2336 object name with a string derived from the input filename of the object
2339 2006-01-16 Ben Elliston <bje@au.ibm.com>
2341 * config/i386/winnt-stubs.c: Update FSF address.
2342 * config/xtensa/ieee754-df.S: Ditto.
2343 * config/xtensa/ieee754-sf.S: Ditto.
2345 2006-01-14 Ian Lance Taylor <ian@airs.com>
2347 * ifcvt.c (noce_init_if_info): New static function, broken out of
2348 noce_process_if_block.
2349 (noce_process_if_block): Call noce_init_if_info.
2350 (check_cond_move_block): New static function.
2351 (cond_move_process_if_block): New static function.
2352 (process_if_block): Call cond_move_process_if_block.
2354 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2356 * cselib.c (hash_table): Rename to cselib_hash_table.
2357 (cselib_clear_table, discard_useless_values,
2358 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2359 cselib_init, cselib_finish): Adjust uses of hash_table.
2361 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2363 PR tree-optimization/25485
2364 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2365 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2366 is known to be false and true, respectively.
2368 2006-01-14 Richard Guenther <rguenther@suse.de>
2370 PR tree-optimization/22548
2371 PR tree-optimization/22555
2372 PR tree-optimization/22501
2373 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2374 * params.def (salias-max-array-elements): New parameter.
2375 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2376 * doc/invoke.texi (salias-max-array-elements): Document.
2377 * tree-flow-inline.h (var_can_have_subvars): We also handle
2379 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2381 * tree-ssa-structalias.c (params.h): Include.
2382 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2383 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2384 (get_constraint_for): For ADDR_EXPR operating on something
2385 containing an ARRAY_REF, add all subvars to the solution.
2386 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2387 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2388 for creating MUST_DEFs.
2389 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2391 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2393 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2395 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2396 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2397 number_of_iterations_le): New functions.
2398 (number_of_iterations_special): Removed.
2399 (number_of_iterations_exit): Do not use number_of_iterations_special.
2400 * tree.c (unsigned_type_for): Always return integer type.
2402 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2403 Richard Guenther <rguenther@suse.de>
2405 PR rtl-optimization/24257
2406 * gcse.c (find_moveable_store): Only consider a store movable
2407 when the SET_SRC of the insn can be assigned to a register.
2409 2006-01-14 Ian Lance Taylor <ian@airs.com>
2411 * tree.c (tree_not_class_check_failed): New function.
2412 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2413 (tree_not_class_check_failed): Declare.
2415 2006-01-13 Ian Lance Taylor <ian@airs.com>
2417 * reload1.c (do_output_reload): Add assertion rejecting a
2420 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2422 * combine.c (struct reg_stat): Add new fields truncation_label and
2424 (record_value_for_reg): Reset truncated_to_mode.
2425 (record_truncated_value): New function.
2426 (check_promoted_subreg): Call it. Rename to check_conversions.
2427 (combine_instructions): Rename check_promoted_subreg to
2429 (reg_truncated_to_mode): New function.
2430 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2431 (gen_lowpart_or_truncate): New function.
2432 (force_to_mode): Use it instead of gen_lowpart.
2434 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2436 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2437 VAR is a tag, not its type tag.
2439 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2441 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2442 alternatives to match style of other entries.
2443 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2445 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2447 PR tree-optimization/25771
2448 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2451 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2454 * tree-inline.c (declare_return_variable): If the return variable
2455 was marked as a non gimple complex, set the return slot variable
2456 to be a non gimple comple variable.
2458 2006-01-13 Richard Guenther <rguenther@suse.de>
2460 * builtins.c (expand_builtin_sincos): New function.
2461 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2463 (expand_builtin): Expand sincos using expand_builtin_sincos.
2465 2006-01-12 DJ Delorie <dj@redhat.com>
2467 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2468 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2469 so that constant shifts can be split.
2470 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2471 (m32c_valid_pointer_mode): Make static.
2472 (shift_gen_func_for): New.
2473 (m32c_prepare_shift): Use it. Split large const shifts into
2475 * config/m32c/predicates.md (shiftcount_operand): Allow more
2477 (longshiftcount_operand): New.
2478 * doc/md.texi (Machine Constraints): Document In6.
2480 2006-01-13 Ben Elliston <bje@au.ibm.com>
2482 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2483 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2486 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2488 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2489 to try to avoid clobbering pieces of structures when we know
2490 something about the whole structure.
2491 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2493 2006-01-13 Ben Elliston <bje@au.ibm.com>
2495 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2496 return in memory, as this is no limitation is no longer present.
2498 2006-01-12 DJ Delorie <dj@redhat.com>
2500 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2501 mova with fb, and for fb+0 -> An.
2503 * config/m32c/mov.md (peephole2): Fix enabling logic.
2505 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2506 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2507 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2508 FINI_ARRAY_SECTION_ASM_OP): Define.
2510 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2512 (m32c_legitimize_reload_address): New logic to reload FB to An.
2513 (m32c_output_reg_push): Add newline.
2514 (m32c_output_reg_pop): Likewise.
2516 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2518 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2520 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2522 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2524 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2526 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2529 2006-01-11 Ben Elliston <bje@au.ibm.com>
2531 * rtlanal.c (find_reg_note): Assert insn is not null.
2533 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2535 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2538 2006-01-11 Jeff Law <law@redhat.com>
2540 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2542 (mark_threaded_blocks, register_jump_thread): New functions.
2543 (thread_through_all_blocks): Remove unwanted argument. No
2544 longer rely on e->aux to communicate thread target info.
2545 Call mark_threaded_blocks. Release the threaded_blocks
2546 bitmap and threaded_edges vector when complete.
2547 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2548 (threaded_blocks): Remove.
2549 (tree_ssa_dominator_optimize): Remove initialization and
2550 finalization of threaded_blocks. Simplify call to
2551 thread_through_all_blocks.
2552 (thread_across_edge): Call register_jump_thread rather than
2553 storing thread information into e->aux.
2554 (free_all_edge_infos): Simplify now that e->aux is no longer
2555 used to communicate with thread_through_all_blocks.
2556 * tree-flow.h (thread_through_all_blocks): Update prototype.
2557 (register_jump_thread): Prototype.
2559 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2561 * df-core.c (df_compact_blocks, df_bb_replace): Use
2562 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2564 2006-01-11 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/25734
2567 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2568 stop propagation after successful propagation to the LHS.
2570 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2572 * basic-block.h (control_flow_graph): Change the type of
2573 x_basic_block_info to VEC(basic_block,gc) *.
2574 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2576 (SET_BASIC_BLOCK): New.
2577 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2578 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2579 * cfgbuild.c (find_basic_blocks): Likewise.
2580 * cfglayout.c (fixup_reorder_chain): Likewise.
2581 * cfgrtl.c (create_basic_block_structure,
2582 rtl_create_basic_block): Likewise.
2583 * ifcvt.c (find_if_case_1): Likewise.
2584 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2587 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2589 * Makefile.in: Removed rotted odf.c entry.
2591 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2594 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2595 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2596 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2597 output pattern modifier, not %e.
2598 * config/cris/cris.c (cris_op_str): Update comment about pattern
2600 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2601 before falling through into...
2602 <case 'E'>: Redefined from old 'e' case.
2604 2006-01-11 Jan Hubicka <jh@suse.cz>
2607 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2609 2006-01-11 Jan Hubicka <jh@suse.cz>
2611 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2612 * i386.c (x86_decompose_lea): Kill.
2613 (ix86_rtx_costs): Kill.
2615 2006-01-11 Jan Hubicka <jh@suse.cz>
2617 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2618 * cgraph.h (cgraph_node): Add inline_decl.
2619 (cgraph_insert_node_to_hashtable): Declare.
2620 (save_inline_function_body): Declare.
2621 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2623 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2624 (cgraph_function_versioning): Update call of tree_function_versioning.
2625 (save_inline_function_body): New function.
2626 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2627 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2628 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2629 (cgraph_default_inline_p): Likewise.
2630 (cgraph_decide_inlining_incrementally): Likewise.
2631 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2632 (copy_bb): Kill saving; do updating of clones.
2633 (copy_cfg_body): Kill saving.
2634 (initialize_inlined-parameters): Likewise.
2635 (expand_call_inline): Likewise.
2637 (tree_function_versioning): New parameter "update_clones".
2638 (inlining_p): Kill saving.
2639 * tree-inline.h (tree_function_versioning): Update prototype.
2640 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2643 2006-01-11 Ian Lance Taylor <ian@airs.com>
2645 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2646 Allow undoing set of machine mode.
2647 (do_SUBST): Use enums instead of is_int.
2648 (do_SUBST_MODE): New function.
2649 (SUBST_MODE): New macro.
2650 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2651 reg and trying to replace reg_regno_rtx with a new register.
2652 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2653 (simplify_set): Use SUBST_MODE.
2654 (distribute_notes): Remove code that tried to update reg notes
2655 for regno_reg_rtx changes.
2657 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2659 PR tree-optimization/23109
2660 PR tree-optimization/23948
2661 PR tree-optimization/24123
2663 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2664 * tree-cfg.c (single_noncomplex_succ): New.
2665 * tree-flow.h (single_noncomplex_succ): Declare it.
2666 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2667 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2668 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2669 insert_bb, register_division_in, insert_reciprocals,
2670 replace_reciprocal, free_bb): New.
2671 (execute_cse_reciprocals_1): Rewritten.
2672 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2673 Do not commit any edge insertion. Always compute dominators and
2674 create the allocation pool.
2675 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2676 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2677 * targhooks.c (default_min_divistions_for_recip_mul): New.
2678 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2679 * passes.c (init_optimization_passes): Run recip after tree loop
2681 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2683 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2684 Kenneth Zadeck <zadeck@naturalbridge.com>
2686 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2687 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2688 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2689 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2690 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2691 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2692 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2693 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2694 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2695 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2696 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2697 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2698 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2699 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2700 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2701 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2702 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2703 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2704 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2705 DF_SCAN_POST_ALLOC): New macros.
2706 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2707 df_free_bb_function, df_local_compute_function, df_init_function,
2708 df_dataflow_function, df_confluence_function_0,
2709 df_confluence_function_n, df_transfer_function,
2710 df_finalizer_function, df_free_function, df_dump_problem_function,
2711 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2712 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2713 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2714 df_urec_bb_info, ) New types.
2715 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2717 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2718 df_analyze_simple_change_some_blocks,
2719 df_analyze_simple_change_one_block, df_compact_blocks,
2720 df_bb_replace, df_bb_regno_last_use_find,
2721 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2722 df_insn_regno_def_p, df_find_def, df_find_use,
2723 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2724 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2725 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2726 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2727 debug_df_chain, df_get_dependent_problem, df_chain_create,
2728 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2729 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2730 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2731 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2732 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2733 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2734 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2735 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2736 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2737 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2738 df_reorganize_refs, df_set_state, df_hard_reg_init,
2739 df_read_modify_subreg_p) New public functions.
2740 * df-core.c: The core dataflow solver and glue routines for rtl
2742 (df_init, df_add_problem, df_set_blocks, df_finish,
2743 df_hybrid_search_forward, df_hybrid_search_backward,
2744 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2745 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2746 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2747 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2748 df_reg_defined, df_find_use, df_reg_used, df_dump,
2749 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2750 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2751 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2752 debug_df_useno, reset_df_after_reload): New functions.
2753 * df-scan.c: The scanning fuctions, once in df.c, completely
2754 rewritten so that they now fully model the functionality of
2755 register usage at the backend.
2756 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2757 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2758 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2759 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2760 df_get_artificial_defs, df_get_artificial_uses,
2761 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2762 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2763 df_refs_delete, df_reorganize_refs, df_set_state,
2764 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2765 df_def_record_1, df_defs_record, df_uses_record,
2766 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2767 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2768 df_record_exit_block_uses, df_hard_reg_init): New functions.
2770 * df-problems.c: Seven concrete dataflow problems that use the
2771 scanning in df-scan.c and are solved by the engine in df-core.c.
2772 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2773 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2774 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2775 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2776 df_ru_free_bb_info, df_ru_alloc,
2777 df_ru_bb_local_compute_process_def,
2778 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2779 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2780 df_ru_transfer_function, df_ru_free, df_ru_dump,
2781 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2782 df_rd_free_bb_info, df_rd_alloc,
2783 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2784 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2785 df_rd_transfer_function, df_rd_free, df_rd_dump,
2786 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2787 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2788 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2789 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2790 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2791 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2792 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2793 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2794 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2795 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2796 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2797 df_urec_mark_reg_use_for_earlyclobber,
2798 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2799 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2800 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2801 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2802 df_chain_create_bb_process_use, df_chain_create_bb,
2803 df_chain_finalize, df_chain_free, df_chains_dump,
2804 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2805 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2806 df_reg_lifetime): New functions.
2807 * df.c: Deleted file.
2808 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2809 consistent with new df api.
2810 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2811 rest_of_handle_sms): Ditto.
2812 * web.c (unionfind_union, union_defs, entry_register, web_main):
2814 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2815 invariant_expr_equal_p, find_defs, check_dependencies,
2816 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2817 free_inv_motion_data, move_loop_invariants): Ditto.
2818 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2819 Update dependencies.
2820 (odf.c): Added defective entry that was deleted later in day.
2821 * sched-deps.c (sched_analyze_1): Ditto.
2823 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2825 * tree-ssa-operands.c (get_expr_operands): Record addressable
2826 variables directly. Do not call add_stmt_operands for CONST_DECLs
2828 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2829 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2831 2006-01-11 Ben Elliston <bje@au.ibm.com>
2833 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2834 function returns true in the positive case.
2836 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2839 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2840 for SI, DI, SF and DF modes. Add alternatives to copy between
2841 general and floating point registers to the 32-bit patterns.
2842 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2843 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2844 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2845 generating 64-bit code.
2846 * config/pa/pa.c (output_move_double): Handle copies between general
2847 and floating registers.
2849 2006-01-10 Stuart Hastings <stuart@apple.com>
2851 * config/i386/i386.md (set_got): Update.
2852 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2853 (builtin_setjmp_receiver): Mach-O support.
2854 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2855 (GOT_SYMBOL_NAME): Define.
2856 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2857 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2858 * config/i386/i386.c (override_options): Revise for Darwin.
2859 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2860 support. (darwin_x86_file_end): New. (output_set_got): Add label
2861 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2862 * config/i386/i386-protos.h (output_set_got): Likewise.
2863 * config/darwin.c (machopic_legitimize_pic_address): Update
2866 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2868 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2869 when MODE isn't BLKmode.
2871 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2873 PR rtl-optimization/25367
2874 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2876 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2879 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2880 for a negative bound.
2882 2006-01-10 Richard Guenther <rguenther@suse.de>
2884 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2885 Never override with anything constraint.
2887 2006-01-10 Jan Beulich <jbeulich@novell.com>
2889 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2890 256 bits when optimize_size.
2892 2006-01-10 Jan Beulich <jbeulich@novell.com>
2894 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2896 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2897 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2900 2006-01-10 Ben Elliston <bje@au.ibm.com>
2902 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2904 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2905 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2906 (USE_FP_FOR_ARG): Reject decimal float modes.
2907 (function_arg_advance): Likewise.
2908 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2909 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2910 point types in AltiVec vectors.
2911 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2912 (rs6000_libcall_value): Likewise.
2914 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2916 * config/xtensa/ieee754-df.S: New file.
2917 * config/xtensa/ieee754-sf.S: New file.
2918 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2919 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2920 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2922 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2924 * config/sh/predicates.md (binary_float_operator,
2925 binary_logical_operator, commutative_float_operator,
2926 equality_comparison_operator, greater_comparison_operator,
2927 less_comparison_operator, logical_operator,
2928 noncommutative_float_operator, shift_operator,
2929 symbol_ref_operand, unary_float_operator): Remove redundant
2932 2006-01-09 Jeff Law <law@redhat.com>
2934 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2935 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2936 now unused arguments. Callers updated.
2937 (eliminate_redundant_computations): Remove now unused arguments,
2939 (local_fold): Remove, no longer used.
2940 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2942 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2943 (simplify_cond): New function.
2944 (forward_propagate_into_cond): Call simplify_cond.
2946 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2948 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2949 (*vec_extractv2di_1_sse): New.
2951 2006-01-09 Ben Elliston <bje@au.ibm.com>
2953 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2955 2006-01-08 Richard Guenther <rguenther@suse.de>
2957 * tree-ssa-structalias.c (get_constraint_for): Remove
2959 (get_constraint_for_component_ref): Likewise.
2960 (do_deref): Likewise.
2961 (get_constraint_for): Likewise.
2962 (do_structure_copy): Likewise.
2963 (handle_ptr_arith): Likewise.
2964 (find_func_aliases): Likewise. Remove unused need_anyoffset
2967 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2968 Kaz Kojima <kkojima@gcc.gnu.org>
2970 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2971 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2972 (EXTRA_CONSTRAINT_C16): Remove.
2973 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2974 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2975 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2976 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2977 constants of SHmedia. Handle nested constant expressions of
2979 (andcosts): Fix the costs for SHmedia constants.
2980 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2981 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2982 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2983 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2984 (movv4hi_i, movv2si_i): Likewise.
2985 (movsi_const): Adjust the second operand of ior so to match with
2987 (movdi_const, movdi_const_32bit): Likewise.
2988 (movdi_const_16bit+1): Don't sign-extend LOW.
2989 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2991 (*double_shori): Fix the split condition. Use GEN_INT instead
2992 of get_int_mode calls. Mask lower 16-bit of the argument of
2994 (sym2GOTPLT): Remove.
2995 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2997 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2998 instead of EXTRA_CONSTRAINT_C16.
3000 2006-01-07 Ian Lance Taylor <ian@airs.com>
3001 David Edelsohn <edelsohn@gnu.org>
3003 PR rtl-optimization/25662
3004 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3005 for constant operands instead of simplify_gen_binary.
3006 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3007 after trying simplify_binary_operation
3009 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3011 * tree.c (iterative_hash_expr): Hash decls based on UID.
3013 2006-01-06 Eric Christopher <echristo@apple.com>
3015 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3016 (TARGET_UNWIND_EMIT): Fix spelling.
3017 * target.h (gcc_target): Add except_table_label.
3018 * except.c (output_function_exception_table): Use.
3019 * varasm.c (default_emit_except_table_label): New.
3020 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3022 (asm_out): Add here.
3023 * output.h (default_emit_except_table_label): Prototype.
3024 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3025 * config/darwin.c (darwin_emit_except_table_label): Define.
3026 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3028 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3030 PR tree-optimization/18527
3031 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3032 number_of_iterations_special, number_of_iterations_exit):
3033 Move base and step of an iv to a single structure. Add
3034 no_overflow flag, and use it in # of iterations analysis.
3035 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3036 folded_casts argument.
3037 (simple_iv): Pass base and step in a structure. Set no_overflow
3039 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3040 Evaluate expensiveness of computing # of iterations instead of
3041 the final expression.
3042 * tree-scalar-evolution.h (affine_iv): New structure.
3043 (simple_iv): Declaration changed.
3044 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3045 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3046 find_givs_in_stmt): Changed due to simple_iv change.
3048 2006-01-06 Jeff Law <law@redhat.com>
3051 * tree-cfg.c (bsi_replace): Rename final argument from
3052 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3053 change (stmt -> orig_stmt).
3054 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3055 (bsi_remove): Add new argument. Remove EH information
3057 (verify_eh_throw_table_statements): New function.
3058 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3060 * tree-optimize.c (execute_free_cfg_annotations): Verify
3061 the EH throw statement table after removing annotations.
3062 * except.h (verify_eh_throw_table_statements): Prototype.
3063 * tree-flow.h (bsi_remove): Update prototype.
3064 * tree-vrp.c (remove_range_assertions): Add new argument to
3066 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3067 * tree-complex.c (expand_complex_div_wide): Likewise.
3068 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3069 * tree-tailcall.c (eliminate_tailcall): Likewise.
3070 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3071 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3072 * tree-nrv.c (tree_nrv): Likewise.
3073 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3074 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3075 (combine_blocks): Likewise.
3076 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3077 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3078 (cleanup_control_flow): Likewise.
3079 (remove_forwarder_block): Likewise.
3080 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3081 * tree-sra.c (sra_replace): Likewise.
3082 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3083 (forward_propagate_single_use_vars): Likewise.
3084 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3085 * tree-inline.c (expand_call_inline): Likewise.
3086 * tree-vect-transform.c (vect_transform_loop): Likewise.
3087 * tree-outof-ssa.c (rewrite_trees): Likewise.
3088 * tree-cfg.c (make_goto_expr_edges): Likewise.
3089 (cleanup_dead_labels): Likewise.
3090 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3091 (bsi_move_before, bsi_move_after): Likewise.
3092 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3093 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3095 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3098 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3100 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3101 on non gimple variables. Also add checks at the top for decls and
3103 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3105 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3106 and IMAGPART_EXPR for creating MUST_DEFs.
3107 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3108 and NAME_MEMORY_TAG separately from the DECLs.
3110 2006-01-06 Richard Guenther <rguenther@suse.de>
3112 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3113 annotation, if necessary.
3114 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3115 redundant calls to update_stmt.
3116 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3119 2006-01-05 Richard Henderson <rth@redhat.com>
3121 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3123 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3125 * c-typeck.c: Update copyright date.
3127 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3129 * c-typeck.c (build_c_cast): Always warn when casting
3130 from a pointer to an integer of different size, even if
3131 the node was constant.
3133 2006-01-05 Richard Guenther <rguenther@suse.de>
3135 PR tree-optimization/22555
3136 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3137 if one structure field is an array.
3138 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3139 operands even if we found a subvar, but ignore VOPs in this
3141 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3143 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3145 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3148 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3150 2006-01-05 Richard Guenther <rguenther@suse.de>
3151 Diego Novillo <dnovillo@redhat.com>
3153 * tree-pass.h (TODO_remove_unused_locals): Define.
3154 * gimple-low.c (expand_var_p, remove_useless_vars,
3155 pass_remove_useless_vars): Remove. Update all users.
3156 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3157 (remove_unused_locals): New function.
3158 * tree-flow.h (remove_unused_locals): Declare.
3159 * passes.c (execute_todo): Call remove_unused_locals if
3160 TODO_remove_unused_locals is set.
3161 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3162 * tree-ssa-dce.c (pass_dce): Likewise.
3163 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3165 2006-01-05 Richard Guenther <rguenther@suse.de>
3167 * tree-flow.h (struct fieldoff): Decompose field to
3168 type, size and decl.
3169 * tree-ssa-alias.c (create_sft): Take type as parameter.
3170 (create_overlap_variables_for): Store type, size and decl
3171 in the fieldoff structure.
3172 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3174 (push_fields_onto_fieldstack): Likewise.
3175 (create_variable_info_for): Likewise. Use offset for the
3176 SFT name if the decl is not available.
3178 2006-01-04 Paul Brook <paul@codesourcery.com>
3180 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3182 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3184 * lambda-code.c (can_put_in_inner_loop): Relax
3186 (can_put_after_inner_loop): New function.
3187 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3188 (perfect_nestify): Change to make copies and modify uses.
3190 2006-01-04 Richard Henderson <rth@redhat.com>
3192 Merge from gomp branch:
3193 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3194 via integer constant.
3195 (pragma_lex): Remove.
3196 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3197 rather than parsing it.
3198 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3199 handle_pragma_extern_prefix): Add %< %> quotes.
3200 (registered_pragmas): New.
3201 (c_register_pragma_1): New.
3202 (c_register_pragma): Use it.
3203 (c_register_pragma_with_expansion): Likewise.
3204 (c_invoke_pragma_handler): New.
3205 (init_pragma): Use cpp_register_deferred_pragma directly for
3207 * c-pragma.h (enum pragma_kind): New.
3208 (pragma_handler): New.
3209 (c_invoke_pragma_handler): Declare.
3210 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3212 * c-common.h (c_common_pch_pragma): Update decl.
3213 * Makefile.in (c-parser.o): Update dependencies.
3214 (GTFILES): Add c-pragma.h.
3215 * c-parser.c (struct c_token): Add pragma_kind.
3216 (struct c_parser): Add in_pragma.
3217 (c_lex_one_token): Always initialize keyword and pragma_kind.
3218 Extract data for CPP_PRAGMA.
3219 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3220 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3221 Don't allow CPP_PRAGMA_EOL if in_pragma.
3222 (c_parser_consume_pragma): New.
3223 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3224 (c_parser_skip_to_end_of_parameter): Likewise.
3225 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3226 (c_parser_skip_to_pragma_eol): New.
3227 (c_parser_external_declaration): Handle CPP_PRAGMA.
3228 (c_parser_compound_statement_nostart): Likewise.
3229 (c_parser_statement_after_labels): Likewise.
3230 (c_parser_pragma): New.
3231 (pragma_lex): Likewise.
3232 (c_parser_pragma_pch_preprocess): New.
3233 (c_parser_new): Merge into ...
3234 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3236 2006-01-04 Jeff Law <law@redhat.com>
3239 * tree-cfg.c (bsi_replace): Remove the original statement
3240 from the EH throw statement table.
3242 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3244 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3245 make the prototype extern "C" and add throw ().
3248 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3249 and pos non-negative and pos + len <= 32.
3250 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3251 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3252 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3255 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3256 as well as sizes not multiple of component size.
3259 * function.c (instantiate_expr): New function.
3260 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3261 walk its DECL_VALUE_EXPR with instantiate_expr.
3263 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3264 DW_OP_deref{,_size} if address isn't going to be added.
3266 2006-01-04 Ben Elliston <bje@au.ibm.com>
3268 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3269 * config/fp-bit.c: Likewise.
3271 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3273 * dominance.c: Add comment about why we use DFS numbering
3276 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3277 Richard Henderson <rth@redhat.com>
3279 Merge from gomp-branch:
3280 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3281 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3283 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3285 PR rtl-optimization/25578
3286 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3287 pass a parameter to simplify_shift_const if changing ASHIFTRT
3290 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3292 * builtins.c (get_builtin_sync_mem): New function.
3293 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3294 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3295 Call get_builtin_sync_mem to generate mem rtx.
3297 2006-01-03 Richard Guenther <rguenther@suse.de>
3300 * stmt.c (add_case_node): Make sure to clear overflow flags
3303 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3305 Merge from gomp-branch.
3306 * config/sparc/sync.md: New file.
3307 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3308 UNSPECV_LDSTUB): New constants.
3309 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3310 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3311 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3314 2006-01-03 Roger Sayle <roger@eyesopen.com>
3316 * combine.c (reg_subword_p): New predicate to test whether the
3317 destination of a set refers to a subword/piece of a register.
3318 (try_combine): Generalize the code to merge the setting of a
3319 pseudo to a constant followed by a set of a subword of that
3320 register to a constant.
3322 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3324 * basic-block.h (control_flow_graph): Change the type of
3325 x_label_to_block_map to VEC(basic_block,gc) *.
3326 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3327 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3329 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3330 VEC(basic_block,heap) *.
3331 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3332 ssa_prop_fini): Adjust the uses of cfg_blocks.
3334 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3336 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3338 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3339 hashing trees instead of a pointer hash.
3340 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3341 compare for MEM_EXPR.
3343 PR rtl-optimization/25130
3344 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3345 when comparing MEMs for GCSE
3347 2006-01-03 Ben Elliston <bje@au.ibm.com>
3349 * targhooks.h (default_decimal_float_supported_p): Declare.
3350 * targhooks.c (default_decimal_float_supported_p): Define.
3351 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3352 `default_decimal_float_supported_p'.
3353 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3355 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3357 * combine.c (apply_distributive_law <SUBREG>): Check
3358 TRULY_NOOP_TRUNCATION.
3360 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3362 * dwarf2out.c (have_switched_text_section): Delete.
3363 (have_multiple_function_sections): New.
3364 (have_location_lists): Make 'bool'.
3365 (add_AT_loc_list): Use 'true' not '1'.
3366 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3367 (output_loc_list): Use have_multiple_function_sections.
3368 (output_ranges): Likewise.
3369 (dwarf2out_begin_function): Set have_multiple_function_sections if
3371 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3372 Check function_section rather than DECL_SECTION_NAME.
3373 (dwarf2out_finish): Use have_multiple_function_sections.
3374 Don't clear have_location_lists.
3376 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3377 Jan Hubicka <jh@suse.cz>
3379 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3380 case of conditional jump jumping to the next instruction.
3381 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3382 cases of conditional jump jumping to the next instruction.
3384 2006-01-02 Jan Hubicka <jh@suse.cz>
3386 * i386.c (*_cost): Add COSTS_N_INSNS.
3387 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3389 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3392 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3394 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3396 * config/arm/arm.c (all_fpus): Fix comment typo.
3397 * config/darwin.c: Likewise.
3398 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3399 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3400 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3402 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3404 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3405 (rs6000_split_compare_and_swapqhi): New.
3406 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3407 (sync_compare_and_swapqhi_internal): New.
3408 * config/rs6000/rs6000-protos.h: Declare.