1 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3 * flow.c (calculate_global_regs_live): Assert that there aren't any
6 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11 bsi_after_labels iterator.
12 * tree-if-conv.c (find_phi_replacement_condition,
13 replace_phi_with_cond_modify_expr): Likewise.
14 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
21 2006-02-02 Diego Novillo <dnovillo@redhat.com>
24 * tree-cfg.c (move_block_to_fn): Clear out the basic block
25 array after growing it.
27 2006-02-01 Steve Ellcey <sje@cup.hp.com>
30 * fold-const.c (fold_checksum_tree): Change type of buf.
32 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
34 * reload.c (push_secondary_reload): Initialize t_icode.
36 2006-02-01 Jakub Jelinek <jakub@redhat.com>
38 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
39 -msoft-float -mlong-double-128 only issue a warning, but don't
40 swich to DFmode long double.
42 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
44 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
45 has a constant equivalent, iterate over equivalents for arg0,
46 calling simplify_relational_operation and if there's a result
47 cheaper than X, apply fold_rtx and return the result.
49 2006-02-01 Jan Hubicka <jh@suse.cz>
51 * opts.c (no_unit_at_a_time_default): New global variable.
52 (decode_options): Use it.
53 * opts.h (no_unit_at_a_time_default): Declare.
55 2006-02-01 Paul Brook <paul@codesourcery.com>
57 * function.c (assign_parm_setup_reg): Use function argument promotion
59 * expr.c (expand_expr_real_1): Use function argument promotion rules
62 2006-02-01 Steve Ellcey <sje@cup.hp.com>
64 * gcc.c (process_command): Change j to 'unsigned int'.
66 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
69 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
70 Use the corrected index for the character
71 out of the string constant.
73 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
75 * mode-switching.c (optimize_mode_switching): Fix size
76 allocated for bb_info[n_entities].
78 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
80 * gcc.c (main): Correct type that is allocated for
83 2006-01-31 Jakub Jelinek <jakub@redhat.com>
85 * config/s390/s390.c (init_alignment_context): Set
86 ALIAS_SET_MEMORY_BARRIER on the MEM.
87 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
89 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
92 * loop-unroll.c (unroll_loop_runtime_iterations): Free
94 * tree-ssa-live.c (type_var_init): Allocate bitmap after
97 2006-01-31 Marcin Dalecki <martin@dalecki.de>
99 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
100 * regrename.c: Ditto.
101 * tree-ssa-loop-im.c: Ditto.
102 * tree-dump.c: Ditto.
103 * tree-complex.c: Ditto.
105 * tree-ssa-threadupdate.c: Ditto.
107 * java/class.c: Ditto.
108 * java/jcf-parse.c: Ditto.
109 * java/resource.c: Ditto.
110 * java/except.c: Ditto.
111 * java/jvspec.c: Ditto.
112 * java/jcf-write.c: Ditto.
113 * java/jcf-path.c: Ditto.
114 * java/gjavah.c: Ditto.
115 * java/zextract.c: Ditto.
116 * java/jcf-io.c: Ditto.
118 * java/buffer.c: Ditto.
119 * java/lang.c: Ditto.
120 * java/parse-scan.y: Ditto.
123 * cfgloopmanip.c: Ditto.
124 * postreload-gcse.c: Ditto.
125 * tree-ssa-loop-manip.c: Ditto.
126 * postreload.c: Ditto.
127 * tree-ssa-loop-ch.c: Ditto.
131 * diagnostic.c: Ditto.
133 * genoutput.c: Ditto.
136 * cfgloopanal.c: Ditto.
137 * objc/objc-act.c: Ditto.
139 * genextract.c: Ditto.
140 * genautomata.c: Ditto.
141 * pretty-print.c: Ditto.
143 * cgraphunit.c: Ditto.
146 * haifa-sched.c: Ditto.
147 * dominance.c: Ditto.
149 * tree-ssa-loop-ivopts.c: Ditto.
151 * mode-switching.c: Ditto.
152 * modulo-sched.c: Ditto.
154 * ipa-pure-const.c: Ditto.
156 * fix-header.c: Ditto.
158 * tree-stdarg.c: Ditto.
159 * ipa-utils.c: Ditto.
160 * loop-init.c: Ditto.
161 * ipa-inline.c: Ditto.
164 * alloc-pool.c: Ditto.
165 * dwarf2out.c: Ditto.
167 * genattrtab.c: Ditto.
168 * tree-ssa-loop-ivcanon.c: Ditto.
172 * fortran/gfortranspec.c: Ditto.
174 * local-alloc.c: Ditto.
175 * langhooks.c: Ditto.
177 * tree-vectorizer.c: Ditto.
179 * ipa-type-escape.c: Ditto.
181 * tree-if-conv.c: Ditto.
184 * tree-data-ref.c: Ditto.
185 * loop-unroll.c: Ditto.
186 * treelang/treetree.c: Ditto.
189 * ggc-common.c: Ditto.
193 * tree-cfgcleanup.c: Ditto.
194 * tree-ssa-pre.c: Ditto.
195 * cfgcleanup.c: Ditto.
196 * loop-invariant.c: Ditto.
199 * print-tree.c: Ditto.
202 * sched-deps.c: Ditto.
204 * tree-object-size.c: Ditto.
206 * bb-reorder.c: Ditto.
208 * var-tracking.c: Ditto.
210 * df-problems.c: Ditto.
211 * reg-stack.c: Ditto.
214 * sched-rgn.c: Ditto.
215 * tree-ssa-structalias.c: Ditto.
216 * tree-ssa-reassoc.c: Ditto.
217 * config/darwin-c.c: Ditto.
218 * config/darwin.c: Ditto.
219 * config/arm/arm.c: Ditto.
224 2006-01-31 Nicolas Pitre <nico@cam.org>
226 * arm.md (smaxsi3): Make aware of smax_m1.
229 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
231 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
233 2006-01-31 Richard Guenther <rguenther@suse.de>
235 * doc/invoke.texi (-msselibm): Document.
236 * target.h (expand_library_builtin): New target hook.
237 * builtins.c (expand_builtin): Use expand_library_builtin.
238 (default_expand_library_builtin): New function.
239 * gcc.c (LINK_GCC_MATH_SPEC): Define.
240 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
241 (link_gcc_math_spec): Declare.
242 (static_specs): Add link_gcc_math_spec.
243 * expr.h (default_expand_library_builtin): Declare.
244 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
245 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
246 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
247 * config/i386/i386.opt (msselibm): New target option.
248 * config/i386/i386.c (ix86_builtin_function_variants): New array.
249 (ix86_init_sse_abi_builtins): New function.
250 (ix86_expand_library_builtin): Likewise.
251 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
252 (override_options): Handle error conditions wrt -msselibm.
253 (ix86_builtins): Add function codes for SSE2 ABI builtins.
254 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
255 * doc/extend.texi (__builtin_sse2_*): Document new target specific
258 2006-01-31 Richard Guenther <rguenther@suse.de>
259 Paolo Bonzini <bonzini@gnu.org>
261 * doc/install.texi (--disable-libgcc-math): Document.
263 2006-01-30 Marcin Dalecki <martin@dalecki.de>
265 * expr.h (expand_normal): new inline function.
266 * builtins.c: use it, use EXPAND_NORMAL explicitely.
268 * dwarf2out.c: use it.
273 * config/sparc/sparc.c: use it.
274 * config/i386/i386.c: use it.
275 * config/rs6000/rs6000.c: use it.
276 * config/arm/arm.c: use it.
277 * config/mips/mips.c: use it.
278 * stmt.c: use it, use EXPAND_NORMAL explicitely.
280 2006-01-30 Roger Sayle <roger@eyesopen.com>
282 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
283 argv to the appropriate type.
285 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
287 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
290 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
293 * config/s390/s390.c (struct machine_function): New flag
294 decomposed_literal_pool_addresses_ok_p.
295 (s390_reorg): Set it before final stage of literal pool transforms.
296 (s390_decompose_address): Only accept displacements of the form
297 (minus (label_ref ...) (label_ref ...)) if that flag is set.
299 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
301 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
302 the comparison routine return.
304 2006-01-30 Michael Matz <matz@suse.de>
306 * global.c (find_reg): Only evict for global regs.
307 Take n_refs into account and dump more info.
309 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
312 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
313 (pragma_trap, pragma_nosave_low_regs): Likewise.
314 (current_function_anonymous_args): Likewise.
315 (sh_deferred_function_attributes): New variable.
316 (sh_deferred_function_attributes_tail): Likewise.
317 (print_operand): For '@', look up trap_exit attribute.
318 (calc_live_regs): Look up trapa_handler attribute. For trapa
319 handlers, save/restore fpscr, but don't do any other
320 interrupt-specific saves.
321 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
322 Fix check for partially saved registers to check for SHmedia.
323 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
324 (sh_output_function_epilogue): Don't clear any of the removed
326 (sh_insert_attributes): Don't check pragma_interrupt.
327 Insert deferred attributes. Check that interrupt attribute is
328 present for other attributes that require its presence.
329 (sh_attribute_table): Add new attributes trapa_handler and
331 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
332 Don't check for pragma_interrupt. Don't store argument.
333 * sh.h (pragma_interrupt, sp_switch): Don't declare.
334 (sh_deferred_function_attributes): Declare.
335 (sh_deferred_function_attributes_tail): Likewise.
336 * sh.md (sp_switch_1): Add operand. Change generator caller.
337 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
338 (*return_i): Don't use when trap_exit attribute is in effect.
339 (*return_trapa): New insn pattern.
341 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
342 setting c_target_objs and cxx_target_objs.
343 * t-sh: Add rule for sh-c.o.
345 2006-01-30 Richard Guenther <rguenther@suse.de>
348 * gimplify.c (gimplify_target_expr): Handle easy cases
349 without creating a temporary.
351 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
353 * vec.h (safe_grow): Remove duplicated line.
355 2006-01-29 Diego Novillo <dnovillo@redhat.com>
358 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
359 (expand_omp): ... here.
360 (expand_omp_parallel): Only remove barriers for combined
361 parallel+workshare constructs.
363 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
367 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
368 * tree.c (build_qualified_type): Chain the new type to the original
369 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
370 a POINTER_TYPE or a REFERENCE_TYPE respectively.
371 (build_pointer_type_for_mode): Only return unqualified types.
372 (build_reference_type_for_mode): Likewise.
374 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
376 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
377 * Makefile.in (CXX_COMPAT_WARN): Define.
378 * configure: Regenerate.
380 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
383 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
386 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
388 * toplev.c: Fix thinko.
390 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
391 Marcin Dalecki <martin@dalecki.de>
393 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
394 (push_srcloc): Use XNEW.
395 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
397 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
399 * df-core.c (df_set_blocks): Deleted all variable.
401 2006-01-28 Ian Lance Taylor <ian@airs.com>
403 * cgraphunit.c (cgraph_assemble_pending_functions): Call
404 cgraph_output_pending_asms.
406 2006-01-28 Zack Weinberg <zackw@panix.com>
408 * c.opt: Add -W(no-)overlength-strings.
409 * doc/invoke.texi: Document it.
410 * c-opts.c (c_common_handle_option): -pedantic implies
411 -Woverlength-strings, if not explicitly disabled already.
412 (c_common_post_options): -Woverlength-strings defaults to off, and
413 is always off for C++.
414 * c-common.c (fix_string_type): Issue warning about strings longer
415 than is portable only if warn_overlength_strings. Rearrange code
416 a little for clarity.
417 * configure.in: Check for -Wno-overlength-strings as well before
418 enabling -pedantic in stage 1.
419 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
420 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
422 * genconditions.c (write_header, write_one_condition)
423 (write_conditions, write_writer): Consolidate very long strings
424 that were broken up to fit in C89 portable limit. Don't use
425 printf when fputs will do.
427 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
429 * combine.c (simplify_comparison <AND>): Check
430 TRULY_NOOP_TRUNCATION before start using a subreg.
432 * config/mips/mips.md (*branch_zero<mode>,
433 *branch_zero<mode>_inverted, *branch_equality<mode>,
434 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
435 Remove mode check from comparisons.
437 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
439 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
441 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
443 * expmed.c (const_mult_add_overflow_p): Remove.
444 * expr.h: Remove the prototype for const_mult_add_overflow_p.
446 * recog.c (validate_replace_rtx_subexp): Remove.
447 * recog.h: Remove the prototype for
448 validate_replace_rtx_subexp.
450 * integrate.h: Remove the prototype for
451 copy_decl_for_inlining.
452 * rtl.h: Remove the prototype for mark_constant_function.
453 * tree-vectorizer.h: Remove the prototype for
454 vect_strip_conversion.
456 * modulo-sched.c (create_partial_schedule,
457 free_partial_schedule, reset_partial_schedule): Make them
460 * hooks.c (hook_bool_rtx_int_false): Remove.
461 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
463 2006-01-28 David Edelsohn <edelsohn@gnu.org>
465 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
466 and -mlong-double-128 are incompatible.
467 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
468 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
469 (TARGET_LIBGCC2_CFLAGS): Define.
470 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
471 (TARGET_LIBGCC2_CFLAGS): Same.
472 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
474 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
477 * c-typeck.c (build_binary_op): Perform implicit casts of
478 operands before shortening them.
480 * cfgloopmanip.c (split_loop_bb): Remove.
481 * cfgloop.h: Remove the prototype for split_loop_bb.
483 * cfgloop.c (flow_loop_outside_edge_p): Remove.
484 * cfgloop.h: Remove the prototype for
485 flow_loop_outside_edge_p.
487 * emit-rtl.c (init_virtual_regs): Make it static.
488 * function.h: Remove the prototype for init_virtual_regs.
490 * recog.c (peephole2_optimize): Make it static.
491 * recog.h: Remove the prototype for peephole2_optimize.
493 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
495 * df-scan.c (df_record_entry_block_defs): Check if
496 INCOMING_RETURN_ADDR_RTX is defined.
498 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
499 Kenneth Zadeck <zadeck@naturalbridge.com>
501 PR rtl-optimization/24762
502 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
503 * targhooks.c (hook_void_bitmap): New hook prototype.
504 * targhoohs.h (hook_void_bitmap): Ditto.
505 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
506 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
507 * target.h (live_on_entry): New function pointer.
508 * df-scan.c (df_all_hard_regs): Removed.
509 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
510 (df_scan_free_internal): Added df->entry_block_defs.
511 (df_scan_alloc): Ditto.
512 (df_scan_dump): Ditto.
513 (df_uses_record): Plumbed flag field properly thru calls.
514 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
515 This part fixes PR24762.
516 (df_bb_refs_record): Added code to make the frame and arg
517 pointers live in EH blocks.
518 (df_refs_record): Added call to df_record_entry_block_defs.
519 (df_record_entry_block_defs): New function.
520 * df-core.c: Added comments to describe new artifical defs.
521 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
522 (entry_block_defs): New field in struct df.
523 (df_all_hard_regs): Deleted.
524 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
525 * df-problems.c (df_ru_bb_local_compute_process_def):
526 Added code to handle artifical defs in the entry to a function.
527 (df_ru_bb_local_compute): Ditto.
528 (df_rd_bb_local_compute_process_def): Ditto.
529 (df_rd_bb_local_compute): Ditto.
530 (df_lr_bb_local_compute): Ditto.
531 (df_ur_bb_local_compute): Ditto.
532 (df_urec_bb_local_compute): Ditto.
533 (df_chain_create_bb): Ditto.
534 (df_ur_local_finalize): Removed entry.
535 (df_urec_init): Ditto.
536 (df_urec_local_finalize): Ditto.
537 (df_ri_bb_compute): Added detection of last use of pseudos.
538 * Makefile.in (df-scan.o): Updated dependencies.
539 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
540 * config/mips/mips.c (mips_set_live_on_entry): Added.
541 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
543 * dce.c (marked_insn_p): Added code to handle artifical defs.
545 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
547 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
549 (_mm_cvtsi128_si64): Likewise.
550 (_mm_cvtsd_si64): Likewise.
551 (_mm_cvttsd_si64): Likewise.
552 (_mm_cvtsi64_sd): Likewise.
553 (_mm_cvtsi64_si128): Likewise.
554 * config/i386/mmintrin.h (_m_from_int64): Likewise.
555 (_mm_cvtsi64_m64): Likewise.
556 (_m_to_int64): Likewise.
557 (_mm_cvtm64_si64): Likewise.
558 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
559 (_mm_cvttss_si64): Likewise.
560 (_mm_cvtsi64_ss): Likewise.
561 (_mm_cvtss_f32): Likewise.
563 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
565 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
566 for pragma redefine_extname.
568 2006-01-27 Jakub Jelinek <jakub@redhat.com>
571 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
572 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
573 -mno-minimal-toc to previous content.
574 (bispecs): Remove goal.
575 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
576 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
577 compatibility aliases on powerpc-*-*gnu*.
578 * config/rs6000/libgcc-ppc-glibc.ver: New file.
579 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
580 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
581 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
582 (ldblspecs): New goal.
583 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
584 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
586 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
587 L_sf_to_tf or L_df_to_tf is defined.
589 2006-01-27 David Edelsohn <edelsohn@gnu.org>
590 Alan Modra <amodra@bigpond.net.au>
593 * config/rs6000/linux.h (POWERPC_LINUX): Define.
594 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
595 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
596 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
597 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
598 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
599 (rs6000_override_options): Initialize rs6000_ieeequad.
600 Initialize TFmode format to ibm_extended_format if not
602 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
604 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
605 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
606 (function_arg_advance): IBM long double passed in two FPRs, not
608 (function_arg): IBM long double passed in FPRs.
609 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
610 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
611 Only multireg GPR aligned.
612 (rs6000_init_libfuncs): Enable IBM long double functions if not
614 (rs6000_generate_compare): Use IBM long double compare if not
616 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
617 (TARGET_IEEEQUAD): Define.
618 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
620 * config/rs6000/rs6000.md: Enable TFmode patterns if
622 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
623 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
624 and -mlong-double-128 are incompatible.
625 * doc/invoke.texi (-mabi): Collect options together. Add
626 ibmlongdouble and ieeelongdouble.
628 2006-01-27 Richard Sandiford <richard@codesourcery.com>
630 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
632 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
633 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
634 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
635 * rtl.h (rtunion_def): Remove rt_ptr.
637 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
638 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
639 * config/i386/winnt.c (i386_pe_mark_dllexport)
640 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
642 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
644 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
646 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
650 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
651 pthread_key_delete. From John David Anglin. gthrw-ify
652 pthread_getunique_np only if it it's not a macro. Delete
654 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
655 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
656 __gthread_objc_condition_signal, __gthread_key_delete): Add
657 "__attribute__ ((__unused__))" to unused arguments.
658 (__gthread_recursive_mutex_init_function): Add missing return.
659 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
660 gthr-posix95.h: Use macro-based approach for name redirection
661 on targets missing weakref.
663 2006-01-26 Zack Weinberg <zackw@panix.com>
665 * genconditions.c (write_header): In generated code, #ifdef out
666 all includes and fake declarations, except includes of bconfig.h
667 and system.h, unless GCC_VERSION >= 3001. Do not include
668 gensupport.h in any case.
669 (write_conditions): Generate a definition of struct c_test. Add
670 a comment to the generated #endif.
671 (write_one_condition): Escape backslashes in string too.
672 (write_writer): Generated code must escape backslashes and quote
673 marks (but not newlines) in the strings it writes.
674 * Makefile.in (build/gencondmd.o): Update dependencies.
676 2006-01-26 Steve Ellcey <sje@cup.hp.com>
679 * Makefile.in (insn-automata.o): Add header file dependencies.
680 * genautomata.c: Add includes.
682 2006-01-26 Steve Ellcey <sje@cup.hp.com>
685 * Makefile.in (insn-automata.o): Add -Wno-error flag.
687 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
689 * configure.ac: Expect target tools paths to be passed from the toplevel
690 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
692 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
694 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
697 * c.opt (Wpointer-sign): Init to -1.
698 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
699 OPT_pedantic, to 0 otherwise.
700 * doc/invoke.texi: Update.
702 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
704 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
705 constants provided by 80387 instructions in the destination mode.
707 2006-01-26 Richard Guenther <rguenther@suse.de>
708 Andrew Pinski <pinskia@physics.uc.edu>
711 partial PR tree-opt/17064
712 * tree-ssa-structalias.c (intra_create_variable_infos):
713 Create heap variables for incoming parameters if
714 flag_argument_noalias > 1.
715 (find_what_p_points_to): Look through default defs of
718 2006-01-26 Jeff Law <law@redhat.com>
721 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
722 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
723 within the VR_RANGE, use the VR_RANGE as the result, not the
725 (adjust_range_with_scev): Reject ranges from SCEV which are out
726 of bounds for the type.
728 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
730 * tree-ssa-alias.c (maybe_create_global_var): Change
731 subvar walking to an assertion that we don't have subvar'd variables.
733 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
736 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
737 Use a new variable, inner. PARM_DECLs are always non-weak.
739 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
741 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
744 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
746 * config/mips/mips.md (*clear_upper32): New combiner pattern.
748 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
750 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
751 (smax_insn, smin_insn, smax_0, smin_0): New.
753 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
756 * config/cris/cris.c (cris_order_for_addsi3): New function.
757 * config/cris/cris-protos.h: Prototype it.
758 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
759 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
760 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
761 (split for "op.S1 [rx=rx+i],ry (swapped)")
762 (split for "op(s|u).S1 [rx=rx+i],ry")
763 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
764 Apply cris_order_for_addsi3 when generating addsi3 insns.
766 2006-01-25 Diego Novillo <dnovillo@redhat.com>
768 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
769 (TREE_BLOCK): Add call to EXPR_CHECK.
771 2006-01-25 Diego Novillo <dnovillo@redhat.com>
774 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
775 * tree-pretty-print.c (dump_omp_clause): Extract from ...
776 (dump_omp_clauses): ... here.
777 (dump_generic_node): Handle OMP_CLAUSE.
778 * tree.c (omp_clause_num_ops): New.
779 (omp_clause_code_name): New.
780 (tree_code_size): Handle OMP_CLAUSE.
781 (tree_size): Likewise.
782 (make_node): Document handling of OMP_CLAUSE.
783 (tree_node_structure): Handle OMP_CLAUSE.
784 (omp_clause_check_failed): New.
785 (omp_clause_range_check_failed): New.
786 (omp_clause_operand_check_failed): New.
787 (build_omp_clause): New.
788 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
789 * tree.h (enum omp_clause_code): Declare.
790 (OMP_CLAUSE_SUBCODE_CHECK): Define.
791 (OMP_CLAUSE_RANGE_CHECK): Define.
792 (OMP_CLAUSE_ELT_CHECK): Define.
793 (omp_clause_check_failed): Declare.
794 (omp_clause_operand_check_failed): Declare.
795 (omp_clause_range_check_failed): Declare.
796 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
797 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
798 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
799 (OMP_CLAUSE_LASTPRIVATE): Likewise.
800 (OMP_CLAUSE_IF_EXPR): Likewise.
801 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
802 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
803 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
804 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
805 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
806 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
807 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
808 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
809 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
810 (OMP_CLAUSE_CODE): Define.
811 (OMP_CLAUSE_SET_CODE): Define.
812 (OMP_CLAUSE_CODE): Define.
813 (OMP_CLAUSE_OPERAND): Define.
814 (struct tree_omp_clause): Declare.
815 (union tree_node): Add field 'omp_clause'.
816 * treestruct.def (TS_OMP_CLAUSE): Define.
817 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
818 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
819 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
820 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
821 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
822 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
823 (OMP_CLAUSE): Define.
824 * print-tree.c (print_node): Handle OMP_CLAUSE.
825 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
826 * c-typeck.c: Likewise.
827 * gimplify.c: Likewise.
829 * tree-nested.c: Likewise.
830 * tree-inline.c: Likewise.
831 * c-parser.c: Likewise.
832 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
835 2006-01-25 Roger Sayle <roger@eyesopen.com>
837 PR rtl-optimization/25703
838 * combine.c (try_combine): Handle zero_extract and strict_low_part
839 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
841 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
843 * global.c: Fix comment typos.
845 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
848 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
849 Use output_addr_const instead of assemble_name.
851 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
853 * Makefile.in (sched-vis.o): Update dependencies.
854 * haifa-sched.c (sched_finish): Clear current_sched_info.
855 * cfg.c (dump_bb_info): New, split from dump_flow_info.
856 (dump_flow_info): Call it.
857 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
859 * basic-block.h (dump_bb_info): Declare.
860 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
861 option, and apply options only for dump files whose TDF_RTL,
862 TDF_TREE, or TDF_IPA bits match.
863 * rtl.h: Declare new functions exported from sched-vis.c.
864 * sched-vis.c: Enable also if scheduling is not used.
865 (print_value): Print the mode of registers if not inside scheduling.
866 (print_insn): Make it work outside the scheduler. Beautify the output
868 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
870 2006-01-25 Richard Sandiford <richard@codesourcery.com>
872 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
873 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
874 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
875 depending on the value of CONSTANT_POOL_ADDRESS_P.
876 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
878 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
879 rather than SYMBOL_REF_DECL.
880 (rtx_constant_pool): Remove const_rtx_sym_htab.
881 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
882 (init_varasm_status): Don't initialize const_rtx_sym_htab.
883 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
884 Remove handling of const_rtx_sym_htab.
885 (find_pool_constant): Delete.
886 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
887 rather than find_pool_constant.
888 (get_pool_constant_for_function): Delete.
889 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
891 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
892 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
893 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
894 (SYMBOL_REF_CONSTANT): New macro.
895 (get_pool_constant_for_function): Delete.
896 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
897 rather than SYMBOL_REF_DECL.
898 (i386_pe_mark_dllimport): Likewise.
899 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
900 rather than SYMBOL_REF_DECL.
901 * config/darwin.c (machopic_indirect_data_reference): Likewise.
902 (machopic_indirect_call_target): Likewise.
904 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
906 * flow.c (delete_noop_moves): Add missing EOL to dump message.
908 2006-01-25 Richard Sandiford <richard@codesourcery.com>
910 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
912 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
914 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
916 2006-01-24 David Daney <ddaney@avtrex.com>
919 * configure.ac (enable_tls): New enable option.
920 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
921 * configure: Regenerate.
922 * doc/install.texi (--enable-tls): Document new option.
923 (--disable-tls): Ditto.
925 2006-01-24 Richard Henderson <rth@redehat.com>
927 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
928 * alias.c (true_dependence): Respect it.
929 (canon_true_dependence, write_dependence_p): Likewise.
930 * builtins.c (get_builtin_sync_mem): Set it.
932 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
934 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
937 2006-01-24 DJ Delorie <dj@redhat.com>
939 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
940 for storing constants in single-bit bitfields.
942 2006-01-25 Ben Elliston <bje@au.ibm.com>
944 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
946 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
949 * tree-ssa-pre.c (phi_translate): Return NULL
950 for AGGREGATE_TYPE's.
952 2006-01-24 Zack Weinberg <zackw@panix.com>
954 * genautomata.c (process_state_for_insn_equiv_partition):
955 Use xcalloc for insn_arcs_array.
956 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
957 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
959 2006-01-24 Richard Henderson <rth@redhat.com>
961 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
964 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
966 PR rtl-optimization/25890
967 PR rtl-optimization/25905
968 * combine.c (expand_compound_operation, expand_field_assignment):
969 Fail if the bitfield's final position is out of bounds.
971 2006-01-24 Ian Lance Taylor <ian@airs.com>
974 * cgraphunit.c (cgraph_output_in_order): Don't clear
975 cgraph_asm_nodes until after asm strings have been output.
977 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
979 * fix-header.c (read_scan_file): Add new parameter imultilib when
980 calling register_include_chains.
982 2006-01-23 Diego Novillo <dnovillo@redhat.com>
984 * omp-low.c: Update documentation.
986 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
987 Daniel Berlin <dberlin@dberlin.org>
991 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
992 return from the function.
994 2006-01-22 Zack Weinberg <zackw@panix.com>
996 * rtl.def (match_code): Add second argument.
997 * genpreds.c (write_extract_subexp): New function.
998 (write_match_code): Add path argument. Use write_extract_subexp.
999 (write_predicate_expr): Pass path to write_match_code.
1000 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1001 not perform a mode test.
1002 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1003 a subexpression does not constrain the top-level code set.
1004 * read-rtl.c (read_rtx_variadic): New function.
1005 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1006 * doc/md.texi: Document new notation.
1007 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1008 (cmpsi_operand): ... here, using new notation.
1010 2006-01-22 Zack Weinberg <zackw@panix.com>
1012 * varray.c: Remove GENERATOR_FILE #ifdefs.
1014 2006-01-22 Zack Weinberg <zackw@panix.com>
1016 * genautomata.c (output_reserved_units_table): Emit nothing if
1017 description->query_units_num is zero. Remove extra blank line.
1018 (output_cpu_unit_reservation_p): Short circuit
1019 if description->query_units_num is zero.
1021 2006-01-22 Zack Weinberg <zackw@panix.com>
1023 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1024 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1025 nor any of the random handful of variables that used to be necessary
1026 when this program was linked with rtlanal.o. Prune set of forward
1027 function declarations.
1028 (struct attr_desc): Remove static_p field.
1029 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1030 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1031 (attr_string): Do not read the character one past the length of
1033 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1034 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1035 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1036 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1037 (make_automaton_attrs): New.
1038 (main): Do not call into genautomata. Call local gen_bypass
1039 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1040 Remove special case for insn_alts.
1041 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1042 varray.h (leftover from previous change). Prune set of forward
1043 function declarations. Remove state_alts fields from all
1044 structures. Remove state_alts_table from struct automaton.
1045 Make everything except main static. Do not maintain num_dfa_decls.
1046 Do not maintain state_alts fields of various structures.
1047 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1048 (add_arc): Remove state_alts argument. All callers updated.
1049 (output_reserved_units_table): Emit #ifdef here...
1050 (output_tables): ...not here. Don't generate state_alts tables.
1051 (expand_automata): Don't generate attributes.
1052 (write_automata): Don't generate state_alts functions.
1053 (main): New function.
1054 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1055 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1056 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1057 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1058 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1059 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1060 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1061 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1063 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1064 * genattrtab.h: Delete file.
1065 * Makefile.in (OBJS-common): Add insn-automata.o.
1066 (insn-automata.o): New rule.
1067 (simple_generated_c): Add insn-automata.c.
1068 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1069 (genprogmd): Add automata.
1070 (build/genattrtab): Needs no extra objects nor libraries.
1071 (build/genautomata): Needs build/vec.o and -lm.
1073 2006-01-22 Zack Weinberg <zackw@panix.com>
1075 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1076 (output_dfa_max_issue_rate, locked_states_num): Delete.
1077 (struct automaton): Add locked_states field.
1078 (output_dead_lock_vect): Save number of locked states in
1079 automaton->locked_states. If it is zero, don't print anything.
1080 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1081 (output_internal_dead_lock_func): Only test the dead_lock_vect
1082 for automata that have locked states.
1083 (output_statistics): Always print the number of locked states for
1084 each automaton. Calculate total number of locked states here.
1085 (write_automata): Don't call output_dfa_max_issue_rate.
1086 * genattrtab.c: Define length_unit_log as a const variable.
1087 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1088 max_insn_queue_index const.
1089 * final.c (length_unit_log): Declare const.
1090 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1092 2006-01-22 Zack Weinberg <zackw@panix.com>
1094 * genautomata.c: Include vec.h, not varray.h.
1095 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1096 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1097 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1098 VEC_* macros operating on appropriately typed vectors, or to
1099 malloced arrays when the size is known in advance. Const-ify
1100 many char* variables and function arguments. No functional changes.
1101 * Makefile.in (build/varray.o): Delete rule.
1102 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1103 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1105 2006-01-22 Zack Weinberg <zackw@panix.com>
1107 * gensupport.c: Define get_insn_name and record_insn_name here.
1108 (read_md_rtx): Call record_insn_name as appropriate.
1109 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1110 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1111 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1113 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1114 (BUILD_VARRAY): Delete.
1115 (genprognormal): Rename genprogmd. Fold in all programs from
1116 genprognoprint; also attrtab.
1117 (build/genattrtab): Just mention genautomata.o and varray.o.
1118 Reorganize a bit, add comments to make the categories clearer.
1120 2006-01-22 Zack Weinberg <zackw@panix.com>
1122 * genconditions.c (condition_table, add_condition): Delete.
1123 (write_conditions): Don't emit n_insn_conditions nor
1124 insn_elision_unavailable. Issue the gcc version #ifdef here,
1125 inside the table, with no #else clause ...
1126 (write_header): ...not here.
1127 (write_writer): New function.
1128 (main): Don't initialize condition_table. Use add_c_test.
1130 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1131 files on the command line.
1132 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1133 Return -1 if there is no entry in the table, don't abort.
1134 (add_c_test, traverse_c_tests): New functions.
1135 * gensupport.h (insn_elision_unavailable, insn_conditions)
1136 (n_insn_conditions): Delete declarations.
1137 (add_c_test, traverse_c_tests): Declare.
1138 * read-rtl.c: Include gensupport.h.
1139 (read_conditions): New function.
1140 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1141 (read_rtx_1): If we get EOF when we were looking for an initial
1142 open paren, return 0. Call read_conditions when appropriate.
1143 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1144 dummy-conditions.o. Eliminate references to insn-conditions.o,
1145 or change them to build/gencondmd.o, as appropriate. Remove
1146 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1147 from $(simple_generated_c). For all files remaining in those
1148 two lists, add insn-conditions.md to the generator command line.
1149 Give insn-constants.h/s-constants their own rules. Add rules
1150 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1151 (build/read-rtl.o): Depend on gensupport.h.
1152 (genprognormal): Include preds.
1153 (genprogearly): Rename genprognoprint; only difference is now that
1154 they don't link with $(BUILD_PRINT).
1155 * dummy-conditions.c: Delete.
1157 2006-01-22 Zack Weinberg <zackw@panix.com>
1159 * genextract.c: Don't include insn-config.h. Do include vec.h.
1160 Declare vectors of int, char, and locstr.
1161 (locstr): New typedef.
1162 (struct extraction): Make all array fields into bare pointers.
1163 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1164 (insn_code_number): Delete.
1165 (accum_extract): New struct.
1166 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1167 (gen_insn): Take insn_code_number as an argument. Use an
1168 accum_extract structure instead of loading data directly into
1169 a struct extraction, and having to know how big it might get.
1170 (walk_rtx): Operate entirely on an accum_extract structure.
1171 (print_path): Avoid unnecessary use of printf.
1172 (print_header): New function, split out of main. Distinguish
1173 more carefully between an unrecognizable insn and an insn that
1174 has the code number of a define_expand.
1175 (main): Pass insn_code_number to gen_insn. Call print_header
1176 only after parsing. Avoid unnecessary use of printf.
1177 * Makefile.in (build/vec.o): New rule.
1178 (build/genextract): Depend on build/vec.o.
1179 (build/genextract.o): Don't depend on insn-config.h.
1181 2006-01-22 Zack Weinberg <zackw@panix.com>
1183 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1184 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1185 practical. Eliminate per-generator-program link rules.
1187 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1190 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1191 with a call expr to ...
1192 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1194 2006-01-23 Richard Guenther <rguenther@suse.de>
1196 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1197 before make_edge with conditional EDGE_TRUE_VALUE.
1199 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1200 Jan Hubicka <jh@suse.cz>
1201 Richard Guenther <rguenther@suse.de>
1203 PR rtl-optimization/25654
1204 * cfgexpand.c (aggregate_contains_union_type): New function.
1205 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1206 for structure variables that contain a union type.
1208 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1210 * gengtype.c (new_structure): Return the structure.
1211 (create_option): Add an extra "next" argument.
1212 (create_field): New function.
1213 (adjust_field_rtx_def): Use create_option and create_field.
1214 Remove a now-unnecessary call to find_structure.
1215 (adjust_field_tree_def): Likewise.
1216 (note_yacc_type): Remove an unnecessary call to find_structure.
1217 * gengtype.h (new_structure): Return the structure.
1218 (create_option): Add an extra argument.
1219 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1220 (option): Adjust calls to create_option.
1222 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1224 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1226 2006-01-22 Paul Brook <paul@codesourcery.com>
1227 Peter Barada <peter@the-baradas.com>
1229 * config/m68k/m68k.md: Add Coldfire FPU support.
1230 Define FP mode macro and associated attributes.
1231 Use it for float mode patterns.
1232 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1233 (LIBCALL_VALUE): Use m68k_libcall_value.
1234 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1235 (m68k_function_value): Ditto.
1236 (emit_move_sequence): Ditto.
1237 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1238 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1239 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1240 (MULTILIB_EXCEPTIONS): Ditto.
1241 * config/m68k/m68k.opt: Add mcfv4e.
1242 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1243 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1244 (m68k_output_function_prologue): Save ColdFire FPU registers.
1245 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1246 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1247 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1248 ColdFire FPU registers.
1249 (m68k_libcall_value, m68k_function_value): New functions.
1250 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1251 (LIBCALL_VALUE): Use m68k_libcall_value.
1252 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1253 (MASK_COLDFIRE): Add MASK_CFV4E.
1254 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1255 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1256 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1257 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1258 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1259 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1260 * doc/invoke.tex: Document -mcfv4e on m68k.
1262 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1264 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1267 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1270 * c-opts.c (c_common_handle_option): Don't include
1271 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1272 * doc/invoke.texi (C++ Dialect Options): Document that
1273 -Wnon-virtual-dtor is no longer included in -Wall.
1275 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1277 * gcov.c (print_version), gcov-dump.c (print_version),
1278 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1281 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1283 * df-scan.c (problem_SCAN): Added NULL reset function.
1284 (df_scan_reset_blocks): Added code to call reset block function
1285 (df_bb_refs_delete) Fixed comment.
1286 (df_insn_refs_delete): Made tolerant of deleting non existent info
1287 for dataflow problems that need to be reset.
1288 * df-core.c (df_set_blocks): Ditto.
1289 * df.h (struct df_problem): Added reset_fun.
1290 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1291 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1292 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1293 functions to clear out all references to def-use or use-def chains.
1295 2006-01-21 Ben Elliston <bje@au.ibm.com>
1297 * varasm.c (assemble_real): Initialise data array.
1299 2006-01-20 Paul Brook <paul@codesourcery.com>
1301 Merge from csl-arm-branch.
1302 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1303 * config/arm/arm.md (movdi): Force operands[1] to a register
1304 if we have a non-register source.
1305 (*arm_movdi, *movdf_soft_insn): Require that one of the
1306 operands be a register.
1307 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1308 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1310 2006-01-20 DJ Delorie <dj@redhat.com>
1312 * varasm.c (initialize_constant_valid_p): Allow pointers
1313 initialized from integer constants of lesser precision.
1314 (output_constant): Allow non-int-sized pointer modes to be
1315 initialized from integer constants.
1317 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1320 * cppdefault.h (struct default_include): Add multilib flag.
1321 * cppdefault.c (cpp_include_defaults): Set it.
1322 * c.opt (-imultilib): New option.
1323 * c-opts.c (imultilib): New.
1324 (c_common_handle_option): Handle -imultilib.
1325 (c_common_post_options): Likewise.
1326 * c-incpath.c (add_standard_paths, register_include_chains):
1328 * c-incpath.h (register_include_chains): Add extra parameter.
1329 * gcc.c (do_spec_1): Generate -imultilib option.
1330 (The Specs Language): Update %I description.
1331 (process_command): Update copyright notice.
1332 * doc/cppopts.texi (-imultilib): Document.
1333 * doc/invoke.texi (-imultilib): Include in option summary.
1334 (%I): Update specs documentation.
1336 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1338 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1340 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1342 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1345 2006-01-20 Richard Guenther <rguenther@suse.de>
1346 Steven Bosscher <stevenb.gcc@gmail.com>
1348 PR rtl-optimization/24626
1349 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1350 EDGE_TRUE_VALUE if in RTL mode.
1353 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1354 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1356 2006-01-20 Dirk Mueller <dmueller@suse.com>
1359 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1360 instead of a special NOP marker.
1361 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1362 NOP marker handling.
1363 * c-common.h (empty_body_warning): Add forward declaration.
1364 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1365 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1367 2006-01-20 Paul Brook <paul@codesourcery.com>
1369 * Makefile.in (lang_checks): Keep going if mkdir fails.
1371 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1373 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1374 be able to clean out basic block when not necessary.
1375 (df_scan_free): Fixed to properly delete information if df is
1376 unused before calling df_finish.
1377 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1378 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1380 (df_bb_refs_delete): New function.
1381 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1382 * df-core.c (df_set_blocks): Added code to properly clean out
1383 unused blocks if they are not part of the blocks to consider.
1384 Added additional null check.
1385 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1386 be able to clean out basic block when not necessary
1387 * df.h (df_free_bb_function): Ditto.
1388 (df_bb_refs_delete): New function.
1389 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1390 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1391 basic block parameter to be able to clean out basic block when not
1393 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1394 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1395 Fixed to properly delete information if df is unused before
1398 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1400 PR rtl-optimization/25799
1401 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1402 Corrected confluence operator to remove bits from op2 before oring
1403 with op1 rather than removing bits from op1.
1404 (df_ru_transfer_function): Corrected test on wrong bitmap which
1405 caused infinite loop. Both of these problems were introduced in
1406 the dataflow rewrite.
1408 2006-01-19 DJ Delorie <dj@redhat.com>
1410 * reload1.c (find_reload_regs): Note the details of reload
1411 failures in the dump file.
1412 (spill_failure): Likewise.
1414 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1416 * loop-iv.c: Include df.h and hashtab.h.
1417 (enum iv_grd_result): New enum.
1418 (DF_REF_IV, DF_REF_IV_SET): New macros.
1419 (struct biv_entry): New.
1420 (df, bivs): New global variables.
1421 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1422 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1424 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1425 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1426 analyzed_for_bivness_p, record_biv): New functions.
1427 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1428 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1429 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1431 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1433 (iv_number_of_iterations): Use new interface to iv analysis.
1434 * loop-unroll.c: Do not include varray.h.
1435 (analyze_iv_to_split_insn): Use new interface to iv
1437 * loop-unswitch.c (may_unswitch_on): Ditto.
1438 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1440 (df_bb_modify): Realloc tables to the new index.
1441 (df_find_use): New function.
1442 * df.h (df_find_use): Declare.
1443 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1445 * cfgloop.h (struct rtx_iv): Remove analysed field.
1446 (iv_get_reaching_def): Removed.
1447 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1448 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1449 (loop-iv.o): Add df.h and hashtab.h dependency.
1450 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1452 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1454 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1456 (__floatundisf, __floatundidf): Likewise.
1457 * libgcc2.h (IS_IBM_EXTENDED): Define.
1459 2006-01-19 DJ Delorie <dj@redhat.com>
1461 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1463 2006-01-19 Paul Brook <paul@codesourcery.com>
1465 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1466 as nothrow when unwinding tables are disabled.
1468 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1471 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1472 of bit-field" when in system header.
1474 2006-01-19 DJ Delorie <dj@redhat.com>
1476 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1477 the 16 bit shift limit of the m16c.
1479 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1482 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1483 * config/i386/i386.c (output_set_got): Output the label if we have one
1484 for the TARGET_DEEP_BRANCH_PREDICTION case.
1486 2006-01-19 Jan Hubicka <jh@suse.cz>
1487 H.J. Lu <hongjiu.lu@intel.com>
1488 Evandro Menezes <evandro.menezes@amd.com>
1490 * invoke.texi (generic): Document
1492 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1493 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1494 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1495 (x86_use_incdec, x86_pad_returns): New variables
1496 (TARGET_CPU_DEFAULT_generic): New constant
1497 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1498 (enum processor_type): Add generic32 and generic64.
1499 * i386.md (cpu attribute): Add generic32/generic64
1500 (movhi splitter): Behave sanely when both partial_reg_dependency and
1501 partial_reg_stall are set.
1502 (K8 splitters): Enable for generic as well.
1503 * predicates.md (incdec_operand): Use TARGET_INCDEC
1504 (aligned_operand): Avoid memory mismatch stalls.
1505 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1506 * ppro.md: Enable for generic32
1507 * i386.c (generic64_cost, generic32_cost): New.
1508 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1509 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1510 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1511 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1512 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1513 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1514 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1515 x86_accumulate_outgoing_args, x86_prologue_using_move,
1516 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1517 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1519 (x86_use_incdec, x86_pad_returns): New.
1520 (override_options): Add generic32 and generic64, translate "generic"
1521 to generic32/generic64 and "i686" to "generic32", refuse
1522 "generic32"/"generic64" as arch target.
1523 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1524 (ix86_reorg): Honor PAD_RETURNS.
1526 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1528 * tree-pretty-print.c (dump_generic_node): Handle
1529 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1530 * cgraph.c (cgraph_expand_queue): Rename from
1531 cgraph_analyze_queue. Update all users.
1532 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1533 cgraph_expand_queue.
1534 (cgraph_expand_all_functions): Likewise.
1535 (cgraph_finalize_pending_functions): Remove. Update callers.
1537 * tree.h (OMP_DIRECTIVE_P): Define.
1538 (OMP_PARALLEL_FN): Define.
1539 (OMP_PARALLEL_DATA_ARG): Define.
1540 (OMP_SECTIONS_SECTIONS): Define.
1541 * tree-pass.h (pass_expand_omp): Declare.
1542 * omp-low.c (struct omp_region): Declare.
1543 (struct omp_context): Remove fields 'parallel_type',
1544 'parallel_start_ix' and 'parallel_start_additional_args'.
1546 (struct omp_for_data): Rename from struct expand_omp_for_data.
1547 (omp_regions): New static variable.
1548 (root_omp_region): New static variable.
1549 (find_omp_clause): Make static.
1550 (is_in_combined_parallel_ctx): Remove.
1551 (is_combined_parallel): New.
1552 (extract_omp_for_data): Move earlier in the file.
1553 (workshare_safe_to_combine_p): New.
1554 (get_ws_args_for): New.
1555 (determine_parallel_type): Move earlier in the file.
1556 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1558 (omp_copy_decl): Likewise.
1559 (create_omp_child_function): Likewise.
1560 (lookup_omp_region): New.
1561 (dump_omp_region): New.
1562 (debug_omp_region): New.
1563 (debug_all_omp_regions): New.
1564 (new_omp_region): New.
1565 (scan_omp_parallel): If parallel_nesting_level > 1, the
1566 directive is nested within another parallel directive.
1567 Set OMP_PARALLEL_FN.
1568 (scan_omp_for): Do not try to handle combined parallel+for
1570 Remove FIXME comment.
1571 (scan_omp_nested): Remove.
1572 (scan_omp_1): Do not call scan_omp_nested when
1573 parallel_nesting_level is > 1.
1574 Do not change the DECL_CONTEXT of local variables found.
1575 (lookup_decl_in_outer_ctx): New.
1576 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1577 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1578 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1579 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1580 If CTX is nested, lookup VAR in the outer context when
1581 building copy assignment.
1582 (lower_send_clauses): Rename from expand_send_clauses.
1583 If CTX is nested, lookup VAR in the outer context when
1584 building copy assignments.
1585 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1586 If CTX is nested, lookup VAR in the outer context when
1587 building copy assignments.
1588 (expand_parallel_call): Rename from build_parallel_call.
1589 Handle combined parallel+workshare cases.
1590 Re-implement to emit code into the CFG.
1592 (expand_omp_parallel): Re-implement to emit code into the CFG.
1593 Call move_sese_region_to_fn to outline the sub-graph
1594 containing the parallel region.
1595 (expand_omp_for_1): Remove.
1596 (expand_omp_for_generic): Re-implement to emit code into the
1598 (expand_omp_for_static_nochunk): Likewise.
1599 (expand_omp_for_static_chunk): Likewise.
1600 (expand_omp_for): Likewise.
1601 (expand_omp_sections): Likewise.
1602 (remove_exit_barriers): New.
1603 (expand_omp_synch): New.
1605 (build_omp_regions_1): New.
1606 (build_omp_regions): New.
1607 (execute_expand_omp): New.
1608 (gate_expand_omp): New.
1609 (pass_expand_omp): Define.
1610 (lower_omp_sections): Rename from expand_omp_sections.
1611 Set OMP_SECTIONS_SECTIONS.
1612 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1613 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1614 (lower_omp_single): Rename from expand_omp_simple.
1615 (lower_omp_master): Rename from expand_omp_master.
1616 (lower_omp_ordered): Rename from expand_omp_ordered.
1617 (lower_omp_critical): Rename from expand_omp_critical.
1618 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1619 (lower_omp_for): Re-implement.
1620 (lower_omp_parallel): Re-implement.
1621 (lower_regimplify): Rename from expand_regimplify.
1622 (lower_omp_1): Rename from expand_omp_1.
1623 If there are syntax errors in the program, replace every
1624 OpenMP directive with NOP.
1625 Call lower_omp_* instead of expand_omp_*.
1626 (lower_omp): Rename from expand_omp.
1628 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1629 * tree-gimple.h (enum omp_parallel_type): Remove.
1630 (gimple_boolify): Declare extern.
1631 (find_omp_clause, determine_parallel_type): Remove.
1633 * gimple-low.c (lower_omp_directive): New.
1634 (lower_stmt): Call it.
1635 (record_vars_into): Move from ...
1636 (record_vars): ... here.
1637 Call record_vars_into with current_function_decl.
1639 * gimplify.c (struct gimplify_ctx): Remove fields
1640 combined_pre_p and combined_ctxp. Update users.
1641 (get_formal_tmp_var): Add documentation.
1642 (gimple_boolify): Make extern.
1643 (gimplify_expr_in_ctx): Remove. Update callers.
1644 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1645 will always be a BIND_EXPR.
1646 (gimplify_expr): Handle OMP_RETURN_EXPR.
1647 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1648 (OMP_PARALLEL): Add 3 operands.
1649 (OMP_SECTIONS): Add 1 operand.
1650 (OMP_RETURN_EXPR): Define.
1652 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1653 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1654 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1655 creating a circular free list.
1656 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1658 * tree-flow.h (move_sese_region_to_fn): Declare.
1659 (record_vars_into): Declare.
1660 * tree-cfg.c (make_omp_sections_edges): New.
1661 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1662 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1663 OMP_SECTIONS and OMP_SECTION.
1664 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1665 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1666 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1667 (gather_blocks_in_sese_region): New.
1668 (struct move_stmt_d): Declare.
1670 (move_block_to_fn): New.
1671 (move_sese_region_to_fn): New.
1673 * passes.c (init_optimization_passes): Schedule
1674 pass_expand_omp after pass_init_datastructures.
1676 * tree-ssa-operands.c (get_expr_operands): Handle
1677 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1678 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1680 2006-01-19 Jeff Law <law@redhat.com>
1682 * tree-vrp.c (extract_range_from_assert): Refine the result range
1683 if the variable referenced by the ASSERT_EXPR has a range and
1684 either the tentative result range or the previous range is a
1687 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1689 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1691 2006-01-19 Jan Hubicka <jh@suse.cz>
1693 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1695 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1697 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1698 (expand_compound_operation, expand_field_assignment): Fail if the
1699 bit lengths of an extract operation are out of range.
1700 (make_extraction): Compute wanted_inner_mode based on the position
1701 and length of the extraction. Make it extraction_mode for non-constant
1702 positions, and do not modify offset in that case. When generating a
1703 new MEM, use a mode that can hold the extraction while keeping correct
1704 alignment. Remove code that supported MEMs wrapped by USEs.
1705 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1707 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1709 * config/s390/s390.md ("Y", "y"): New mode attribute.
1710 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1711 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1712 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1713 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1714 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1715 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1716 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1717 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1718 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1719 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1720 "addsi3", "subsi3"): Insn patterns removed.
1721 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1722 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1723 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1724 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1725 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1726 "*sub<mode>3_cconly2"): New insn patterns.
1727 ("addsi3", "subsi3"): New expanders.
1729 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1731 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1732 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1733 existing STMT_VINFO_VECTYPE if available.
1734 (vect_mark_relevant): Add special handling for stmts that are
1735 marked as STMT_VINFO_IN_PATTERN_P.
1736 (vect_analyze_loop): Call vect_pattern_recog.
1737 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1738 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1740 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1741 (vect_recog_func_ptr): New function-pointer type.
1742 * tree-vect-patterns.c: New file.
1743 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1744 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1745 (vect_pattern_recog_1): New functions.
1746 (vect_pattern_recog_funcs): New array of function pointers.
1748 * tree-vectorizer.h (ternary_op): New enum value.
1749 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1750 declaration. Revised documentation. Removed redundant dump prints.
1751 Removed redundant argument. Added support for reduction patterns.
1752 (vectorizable_reduction): Added support for reduction patterns.
1753 (vect_transform_stmt): Added support for patterns.
1755 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1756 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1757 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1758 (expand_widen_pattern_expr): New function.
1759 (init_optabs): Initialize new optabs udot_prod_optab,
1761 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1762 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1763 (expand_widen_pattern_expr): New function declaration.
1764 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1766 * tree-inline.c (estimate_num_insns_1): Added cases for new
1767 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1768 * tree-pretty-print.c (dump_generic_node): Likewise.
1769 (op_prio): Likewise.
1770 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1771 * tree-ssa-operands.c (get_expr_operands): Added case for
1773 * tree-vect-patterns.c (widened_name_p): New function.
1774 (vect_recog_dot_prod_pattern): Added function implementation.
1775 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1776 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1777 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1778 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1780 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1781 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1782 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1783 (init_optabs): Initialize new optabs widen_ssum_optab,
1785 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1786 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1787 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1788 use instead of type of def.
1789 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1790 function implementation.
1791 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1792 widen_ssumv8hi): New.
1794 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1797 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1800 * c-decl.c (add_flexible_array_elts_to_size): New function.
1801 (finish_decl): Use it.
1803 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1805 * diagnostic.h: Include options.h.
1806 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1807 dependancies for diagnostic.h.
1808 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1810 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1812 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1813 (ssa_ro_call_cache_valid): Ditto.
1814 * tree-ssa-alias.c (sort_tags_by_id): New function.
1815 (init_transitive_clobber_worklist): Ditto.
1816 (add_to_worklist): Ditto.
1817 (mark_aliases_call_clobbered): Ditto.
1818 (compute_tag_properties): Ditto.
1819 (set_initial_properties): Ditto.
1820 (compute_call_clobbered): Ditto.
1821 (compute_may_aliases): Call compute_call_clobbered and grouping.
1822 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1823 (compute_flow_insensitive_aliasing): Grouping now happens in our
1825 (setup_pointers_and_addressables): Remove clobbering related code.
1826 (add_may_alias): Ditto.
1827 (replace_may_alias): Ditto.
1828 (get_nmt_for): Ditto.
1829 (create_global_var):
1830 (is_escape_site): Return an escape_type enumeration.
1831 * tree-flow-inline.h (is_call_clobbered): Global var does not
1832 imply call clobbered.
1833 (mark_call_clobbered): Take a reason for marking this. Remove
1834 marking of globalness, and cache invalidation.
1835 (clear_call_clobbered): Remove cache invalidation code.
1836 * tree-dfa.c (dump_variable): If details is on, dump the reason
1838 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1840 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1841 (struct var_ann_d): Ditto.
1842 (enum escape_type): New.
1843 (mark_call_clobbered): Adjust prototype.
1844 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1845 are never call clobbered.
1846 Record reasons for escaping.
1847 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1848 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1849 (ssa_ro_call_cache_valid): Ditto.
1850 (clobbered_v_may_defs): Ditto.
1851 (clobbered_vuses): Ditto.
1852 (ro_call_vuses): Ditto.
1853 (clobber_stats): New.
1854 (init_ssa_operands): Zero out clobber stats.
1855 (fini_ssa_operands): Print out clobber stats.
1856 (get_call_expr_operands): Pass callee fndecl to
1858 (add_call_clobber_ops): Remove use of cache.
1859 Add use of PURE_CONST information.
1860 (add_call_read_ops): Remove use of cache.
1861 Add use of static not_read information.
1863 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1865 Introduce TLS descriptors for i386 and x86_64.
1866 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1867 (TARGET_ANY_GNU_TLS): New macro.
1868 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1869 (struct machine_function): Add tls_descriptor_call_expanded_p.
1870 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1871 (ix86_current_function_calls_tls_descriptor): Likewise.
1872 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1873 (override_options): Introduce gnu2 tls dialect.
1874 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1876 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1878 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1879 (ix86_init_machine_status): Initialize new field.
1880 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1881 (ix86_tls_module_base): New.
1882 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1883 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1884 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1885 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1886 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1887 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1888 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1889 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1890 * config/i386/predicates.md (tls_modbase_operand): New.
1891 (tp_or_register_operand): New.
1893 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1895 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1896 (look_for_address_of): Ditto.
1897 (ipa_init): Walk the function decls.
1898 (static_execute): Don't set readonly on FUNCTION_DECL's.
1900 2006-01-18 Roger Sayle <roger@eyesopen.com>
1902 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1903 for shifts where the source and destination registers are different.
1905 2006-01-18 Paul Brook <paul@codesourcery.com>
1907 Merge from csl-arm-branch.
1908 2005-03-14 Julian Brown <julian@codesourcery.com>
1909 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1910 (aeabi_llsl): Likewise.
1911 (ashrdi3): Likewise.
1912 (aeabi_lasr): Likewise.
1913 (lshrdi3): Likewise.
1914 (aeabi_llsr): Likewise.
1915 2005-03-10 Julian Brown <julian@codesourcery.com>
1916 * config.gcc: Disable shared libgcc for SymbianOS.
1917 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1919 2006-01-18 DJ Delorie <dj@redhat.com>
1921 * c-pragma.c (handle_pragma_diagnostic): New.
1922 (init_pragma): Register it.
1923 * doc/extend.texi: Document it.
1925 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1926 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1927 (diagnostic_context): Add classify_diagnostic[].
1928 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1929 as errors if they're overridden to DK_WARNING.
1930 (diagnostic_initialize): Initialize classify_diagnostic[].
1931 (diagnostic_set_kind_override): New.
1932 (diagnostic_report_diagnostic): Check for kind changes.
1933 * opts.c (common_handle_option): Take lang_mask. Update callers.
1935 * common.opt (Werror=): New.
1936 * doc/invoke.texi: Document -Werror=*
1938 2006-01-18 Jeff Law <law@redhat.com>
1940 * tree-vrp.c (test_for_singularity): Correct test for new
1941 min limit. Use operand_equal_p rather than pointer equality
1942 for testing if new min/max values are equal.
1944 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1945 using range information until after propagation and folding.
1947 2006-01-18 Richard Henderson <rth@redhat.com>
1948 Aldy Hernandez <aldyh@redhat.com>
1949 Jakub Jelinek <jakub@redhat.com>
1950 Diego Novillo <dnovillo@redhat.com>
1952 * omp-low.c: New file.
1953 * c-omp.c: New file.
1955 2006-01-18 Richard Henderson <rth@redhat.com>
1956 Jakub Jelinek <jakub@redhat.com>
1957 Diego Novillo <dnovillo@redhat.com>
1959 * doc/invoke.texi: Document -fopenmp.
1960 * tree-dump.h (debug_function): Declare.
1961 * hooks.c (hook_bool_tree_bool_false): New function.
1962 (hook_tree_tree_null): Remove.
1963 (hook_tree_tree_tree_null): New.
1964 * hooks.h: Update to match.
1965 * tree-pretty-print.c (debug_tree_chain): New.
1966 (print_generic_expr): Handle TDF_CHAIN.
1967 (dump_generic_node): Handle BLOCK.
1968 Do not abort with incomplete SWITCH_EXPRs.
1969 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1970 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1971 print space after directive name.
1972 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1973 Handle OMP_MASTER and OMP_ORDERED.
1974 Handle printing of OMP_BODY just in one place, goto
1975 dump_omp_body in the rest of OMP_* nodes that have
1977 Don't handle clause nodes here. Update omp statements to
1978 use dump_omp_clauses.
1979 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1980 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1981 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1982 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1983 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1984 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1985 Adjust output for GOMP_PARALLEL.
1986 (dump_omp_clauses): New.
1987 (print_declaration): Dump DECL_VALUE_EXPR.
1988 (op_symbol_1): Split out of op_symbol.
1989 (dumping_stmts): Remove. Update all users.
1990 * cgraph.c (cgraph_analyze_queue): New.
1991 (cgraph_add_new_function): New.
1992 * cgraph.h (cgraph_analyze_queue): Declare.
1993 (cgraph_add_new_function): Declare.
1994 (cgraph_lower_function): Remove.
1995 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1996 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1997 and TYPE_P nodes in its default clause.
1998 (empty_body_p): New.
1999 (tree_range_check_failed): New.
2001 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2002 OMP_CLAUSE_REDUCTION_MERGE,
2003 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2004 OMP_CLAUSE_PRIVATE_DEBUG,
2005 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2006 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2007 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2008 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2009 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2010 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2011 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2012 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2013 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2014 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2015 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2016 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2017 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2018 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2019 (TREE_RANGE_CHECK): New.
2020 (empty_body_p): Declare.
2021 (enum omp_clause_default_kind): New.
2022 (build_string_literal): Declare.
2023 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2024 (build5_stat, build5): Declare.
2025 * tree-pass.h (TDF_CHAIN): Define.
2026 * tree-pass.h (PROP_gimple_lomp): Define.
2027 (pass_lower_omp): Declare.
2028 * diagnostic.h (debug_tree_chain): Declare.
2029 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2031 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2032 * builtins.c (build_string_literal): Make extern.
2033 * gcc.c (include_spec_function): New.
2034 (static_spec_functions): Add it.
2035 (main): Move load of libgomp.spec ...
2036 (LINK_COMMAND_SPEC): ... here.
2037 (link_gomp_spec): New.
2038 (static_specs): Include it.
2039 (LINK_COMMAND_SPEC): Add link_gomp.
2040 (GOMP_SELF_SPECS): New.
2041 (driver_self_specs): Include it.
2042 (switch_matches): Don't mark inline.
2043 (main): Load libgomp.spec.
2044 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2045 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2046 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2047 * tree-gimple.h (enum omp_parallel): Declare.
2048 (determine_parallel_type): Declare.
2049 (omp_firstprivatize_variable): Declare.
2050 (omp_reduction_init): Declare.
2051 (diagnose_omp_structured_block_errors): Declare.
2052 (struct walk_stmt_info): Add want_return_expr.
2053 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2054 (find_omp_clause): Declare.
2055 (insert_field_into_struct): Declare.
2056 (struct walk_stmt_info): Move from tree-nested.c
2057 (walk_stmts): Declare.
2058 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2060 * cgraphunit.c (cgraph_lower_function): Make static.
2061 (cgraph_finalize_pending_functions): New.
2062 (cgraph_finalize_function): Call it.
2063 (cgraph_finalize_compilation_unit): Likewise.
2064 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2065 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2066 (BT_FN_UINT_UINT): New.
2067 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2068 DEF_FUNCTION_TYPE_VAR_4): Document.
2069 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2070 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2071 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2072 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2073 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2074 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2075 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2076 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2077 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2078 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2079 into separate files.
2080 (DEF_GOMP_BUILTIN): New.
2081 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2082 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2083 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2084 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2085 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2086 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2087 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2088 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2089 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2090 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2091 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2092 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2093 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2094 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2095 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2096 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2097 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2098 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2099 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2100 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2101 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2102 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2103 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2104 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2105 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2106 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2107 * sync-builtins.def: New file, moved from builtins.def.
2108 * omp-builtins.def: New file, moved from builtins.def.
2109 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2110 * gimple-low.c (lower_function_body): Clear data.
2111 (lower_stmt): Do not handle COMPOUND_EXPR.
2112 Remove call to print_node_brief.
2113 * c-tree.h (c_finish_omp_clauses): New prototype.
2114 (C_DECL_THREADPRIVATE_P): Define.
2115 (lookup_name_no_remap, c_omp_remap_private): Remove
2116 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2117 (check_for_loop_decls): Update decl.
2118 (lookup_name_no_remap, c_omp_remap_private): Declare.
2119 (build_indirect_ref, build_modify_expr, pushdecl,
2120 pushdecl_top_level): Move to c-common.h.
2121 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2122 before the switch, but just in the 2 places that need it.
2123 * c-decl.c (diagnose_mismatched_decls): Do not check for
2124 mismatched thread-local attributes when OLDDECL is marked
2125 threadprivate and NEWDECL has no thread-local attributes.
2126 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2127 (c_gimple_diagnostics_recursively): Rename from
2128 c_warn_unused_result_recursively. Invoke
2129 diagnose_omp_structured_block_errors.
2130 (check_for_loop_decls): Return a singular decl found.
2131 * langhooks.c (lhd_omp_predetermined_sharing): Return
2132 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2133 (lhd_omp_firstprivatize_type_sizes): New.
2134 (lhd_omp_assignment): New.
2135 (lhd_omp_predetermined_sharing): New.
2136 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2137 (struct lang_hooks_for_types): Add
2138 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2139 omp_predetermined_sharing, omp_disregard_value_expr,
2140 omp_private_debug_clause, omp_clause_default_ctor,
2141 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2142 (c_finish_omp_clauses): New.
2143 (c_finish_bc_stmt): Diagnose break within omp for.
2144 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2145 (build_unary_op): Return error_mark after reporting
2147 (build_modify_expr): Likewise.
2148 * gimplify.c: Include optabs.h and pointer-set.h.
2149 (enum gimplify_omp_var_data): Declare.
2150 (struct gimplify_omp_ctx): Declare.
2151 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2153 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2154 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2155 (splay_tree_compare_decl_uid): New.
2156 (new_omp_context): New.
2157 (delete_omp_context): New.
2158 (gimple_add_tmp_var): Call omp_add_variable.
2159 (gimplify_bind_expr): Likewise.
2160 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2161 true, disregard DECL_VALUE_EXPR on the decl if any.
2162 (gimplify_expr_in_ctx): New.
2163 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2164 omp_add_variable, omp_notice_variable, omp_is_private
2165 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2166 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2167 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2168 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2169 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2170 gimplify_omp_atomic): New.
2171 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2172 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2173 OMP_CRITICAL and OMP_ATOMIC.
2174 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2175 * c-pragma.h (enum pragma_kind): Add
2176 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2177 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2178 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2179 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2180 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2181 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2182 PRAGMA_OMP_THREADPRIVATE.
2183 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2184 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2185 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2186 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2187 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2188 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2189 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2190 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2191 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2192 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2193 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2194 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2195 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2197 (struct nesting_info): Add field_map,
2198 suppress_expansion, debug_var_chain.
2199 (create_nesting_tree): Initialize them.
2200 (lookup_field_for_decl): Use field_map.
2201 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2202 (convert_local_omp_clauses): New.
2203 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2204 (walk_body): Split out of walk_function.
2205 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2206 (convert_nonlocal_reference): Handle omp statements.
2207 (convert_local_reference): Likewise.
2208 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2209 (unnest_nesting_tree): New.
2210 (lower_nested_functions): Call it.
2211 (insert_field_into_struct): Make extern.
2212 (struct walk_stmt_info): Move to tree-gimple.h.
2213 (walk_stmts): Make extern.
2214 * omp-builtins.def: New file.
2215 * tree-iterator.c (expr_only): Clarify comment.
2216 * c-common.h (pushdecl_top_level, pushdecl,
2217 build_modify_expr, build_indirect_ref,
2218 c_finish_omp_master, c_finish_omp_critical,
2219 c_finish_omp_ordered, c_finish_omp_barrier,
2220 c_finish_omp_atomic, c_finish_omp_flush,
2221 c_finish_omp_for, c_split_parallel_clauses,
2222 omp_clause_default_kind, c_omp_sharing_predetermined,
2223 c_omp_remap_decl): Declare.
2224 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2225 (OBJS-common): Add omp-low.o.
2226 (c-omp.o, omp-low.o): Add.
2227 (gimplify.o): Add dependency on $(OPTABS_H).
2228 (GTFILES): Add omp-low.c.
2229 (gt-stringpool.h): Add.
2230 * tree-cfg.c (set_bb_for_stmt): Do not update the
2231 block-to-labels map if we are currently expanding to RTL.
2232 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2234 Handle IDENTIFIER_NODE.
2235 (tree_verify_flow_info): Do not ICE when emitting error
2236 messages about invalid labels.
2237 (dump_function_to_file): Reset CFUN before emitting the body
2239 (debug_function): New.
2240 * passes.c (init_optimization_passes): Schedule
2242 * langhooks-def.h (lhd_omp_predetermined_sharing,
2243 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2245 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2246 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2247 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2248 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2249 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2250 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2251 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2252 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2253 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2254 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2255 (LANG_HOOK_DECLS): Use them.
2257 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2258 Richard Henderson <rth@redhat.com>
2259 Jakub Jelinek <jakub@redhat.com>
2260 Diego Novillo <dnovillo@redhat.com>
2262 * c-parser.c (pragma_omp_clause): Define.
2263 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2264 (c_parser_compound_statement): Likewise.
2265 (c_parser_statement): Likewise.
2266 (c_parser_pragma): Handle omp pragmas.
2267 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2268 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2269 (c_parser_omp_clause_name, check_no_duplicate_clause,
2270 c_parser_omp_variable_list,
2271 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2272 c_parser_omp_clause_copyprivate,
2273 c_parser_omp_clause_default,
2274 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2275 c_parser_omp_clause_lastprivate,
2276 c_parser_omp_clause_nowait,
2277 c_parser_omp_clause_num_threads,
2278 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2279 c_parser_omp_clause_reduction,
2280 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2281 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2282 c_parser_omp_atomic, c_parser_omp_barrier,
2283 c_parser_omp_critical, c_parser_omp_flush,
2284 c_parser_omp_for_loop, c_parser_omp_for,
2285 c_parser_omp_master, c_parser_omp_ordered,
2286 c_parser_omp_sections_scope, c_parser_omp_sections,
2287 c_parser_omp_parallel, c_parser_omp_single,
2288 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2289 * c-pragma.c (init_pragma): Do omp pragma registration here.
2290 * c.opt (fopenmp): New flag.
2292 2006-01-18 Eric Christopher <echristo@apple.com>
2294 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2295 * config/darwin.h (GOMP_SELF_SPECS): Define.
2297 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2299 * rtl.h: Remove the prototype for reg_alloc.
2301 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2304 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2305 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2306 sjlj and dwarf2 exception handling.
2307 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2308 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2309 * pa/pa.c (function_value): Treat complex and vector types as
2311 (function_arg): Likewise. Only pass scalar floats in the floating
2312 point argument registers.
2313 * pa/t-slibgcc-dwarf-ver: New file.
2314 * pa/t-slibgcc-sjlj-ver: New file.
2315 * pa/t-slibgcc-elf-ver: Delete file.
2317 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2319 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2320 unlikely_test_section_p test.
2322 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2324 * mode-switching.c (optimize_mode_switching): Make it static.
2325 * basic-block.h: Remove the prototype for
2326 optimize_mode_switching.
2328 * modulo-sched.c (sms_schedule): Make it static.
2329 * rtl.h: Remove the prototype for sms_schedule.
2331 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2332 * rtl.h: Remove the prototype for gcse_after_reload_main.
2334 * reg-stack.c (reg_to_stack): Make it static.
2335 * rtl.h: Remove the prototype for reg_to_stack.
2337 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2339 * rtl.h: Remove the prototypes for regrename_optimize and
2340 copyprop_hardreg_forward.
2342 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2344 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2345 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2346 Test against the appropriate null constant for the mode.
2347 If 'fixup_overlap' is true, swap the operands if they overlap.
2348 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2349 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2350 alpha_split_tmode_pair and adjust for above change.
2351 * config/alpha/alpha.md (movtf_internal): Adjust call to
2352 alpha_split_tfmode_pair and rely on it to swap the operands.
2353 (movti_internal): New insn and post-reload splitter.
2354 (movti): New expander.
2356 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2358 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2361 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2363 * rtlanal.c (global_reg_mentioned_p_1,
2364 global_reg_mentioned_p): Remove.
2365 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2367 * flow.c (initialize_uninitialized_subregs): Make it static.
2368 * rtl.h: Remove the prototype for
2369 initialize_uninitialized_subregs.
2371 * function.c (instantiate_virtual_regs): Make it static.
2372 * function.h: Remove the prototype for
2373 instantiate_virtual_regs.
2375 * regmove.c (regmove_optimize, combine_stack_adjustments):
2377 * rtl.h: Remove the prototypes for regmove_optimize and
2378 combine_stack_adjustments.
2380 2006-01-17 Roger Sayle <roger@eyesopen.com>
2382 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2383 (size_cost): Encode costs in bytes so that a reg-reg addition is
2384 equivalent to COSTS_N_INSNS(1).
2385 (override_options): Use the size_cost.branch_cost as the default
2386 ix86_branch_cost when optimizing for size.
2388 2006-01-18 Ben Elliston <bje@au.ibm.com>
2390 * Makefile.in (D32PBIT_FUNCS): New.
2391 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2392 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2393 D64PBIT_FUNCS and D128PBIT_FUNCS.
2394 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2395 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2397 (decnumber_dep): Define.
2398 * doc/libgcc.texi (Decimal float library routines): New node.
2399 * config/dfp-bit.h, config/dfp-bit.c: New files.
2401 2006-01-18 Ben Elliston <bje@au.ibm.com>
2403 * expr.c (emit_move_change_mode): Always adjust addresses, not
2404 just during reload. Copy replacements only during reload.
2405 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2406 emit_move_via_integer.
2408 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2410 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2411 instead of $(srcdir) and ${srcdir}.
2413 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2417 * arm.h (struct machine_function): Add pic_reg.
2418 * arm.c (arm_pic_register): Make unsigned.
2419 (arm_override_options): Only set arm_pic_register if
2420 TARGET_SINGLE_PIC_BASE.
2421 (use_return_insn): Only test for a pic register if it is fixed.
2422 (arm_compute_save_reg0_reg12_mask): Likewise.
2423 (thumb_compute_save_reg_mask): Likewise.
2424 (legitimate_pic_operand): Factor out some known invariants.
2425 (legitimize_pic_address): If we don't have a fixed pic register,
2426 then set up a pseudo in the function entry sequence. Handle the
2427 pic base being in a pseudo.
2428 (arm_load_pic_register): Handle the pic register being in a pseudo.
2429 (arm_expand_prologue): Only set up the pic register if it is fixed.
2430 (thumb_expand_prologue): Likewise.
2431 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2432 (pic_load_addr_based_insn): Likewise.
2433 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2436 2006-01-18 Ben Elliston <bje@au.ibm.com>
2438 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2439 decimal float modes for all floating point registers.
2441 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2442 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2444 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2447 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2448 even when the pointer is not NULL.
2450 2006-01-16 Ian Lance Taylor <ian@airs.com>
2452 * common.opt (ftoplevel-reorder): New option.
2453 * cgraph.c (cgraph_asm_nodes): New global variable.
2454 (cgraph_asm_last_node): New static variable.
2455 (cgraph_order): New global variable.
2456 (cgraph_create_node): Set new order field.
2457 (cgraph_varpool_node): Likewise.
2458 (decide_is_variable_needed): Return true if not
2459 flag_toplevel_reorder.
2460 (cgraph_add_asm_node): New function.
2461 * cgraph.h (struct cgraph_node): Add order field.
2462 (struct cgraph_varpool_node): Add order field.
2463 (struct cgraph_asm_node): Define.
2464 (cgraph_asm_nodes, cgraph_order): Declare.
2465 (cgraph_add_asm_node): Declare.
2466 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2468 (cgraph_varpool_assemble_pending_decls): Call it.
2469 (cgraph_output_pending_asms): New static function.
2470 (cgraph_finalize_compilation_unit): Call it.
2471 (struct cgraph_order_sort): Define.
2472 (cgraph_output_in_order): New static function.
2473 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2474 !flag_toplevel_reorder case.
2475 * c-parser.c: Include "cgraph.h".
2476 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2478 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2479 than -fno-unit-at-a-time.
2480 * doc/invoke.texi (Option Summary): Mention
2481 -fno-toplevel-reorder.
2482 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2483 -funit-at-a-time documentation.
2485 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2486 Kazu Hirata <kazu@codesourcery.com>
2488 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2490 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2492 * Makefile.in (FUNCTION_H): New. Use it instead of
2493 function.h throughout the file.
2494 * function.h: Include tree.h.
2496 2006-01-17 Ben Elliston <bje@au.ibm.com>
2498 * recog.c: Separate some functions with whitespace.
2500 2006-01-16 Richard Henderson <rth@redhat.com>
2502 Merge from gomp branch:
2503 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2504 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2505 and rename from struct inline_data. Rename callee* to dst*;
2506 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2507 transform_new_cfg, transform_return_to_modify, and
2508 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2510 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2511 (copy_decl_for_dup): Remove.
2512 * tree-inline.c (struct inline_data): Move to header.
2513 (insert_decl_map): Export.
2514 (remap_decl): Update for member name changes. Use copy_decl hook.
2515 Allow for replacement to be a non-decl. Remove dead code.
2516 (remap_type_1): Check for existing mapping.
2517 (remap_type): Export.
2518 (remap_decls): Update for member name changes.
2519 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2520 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2521 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2522 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2523 (tree_function_versioning, build_duplicate_type): Likewise.
2524 (copy_body_r): Likewise. Export.
2525 (copy_decl_for_dup): Split into ...
2526 (copy_decl_for_dup_finish, copy_decl_to_var,
2527 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2528 (replace_ref_tree, inlining_p): Remove.
2530 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2532 * ifcvt.c (if_convert): Make it static.
2533 * rtl.h: Remove the prototype for if_convert.
2535 * local-alloc.c (local_alloc): Make it static.
2536 * rtl.h: Remove the prototype for local_alloc.
2538 * loop.c (loop_optimize): Make it static.
2539 * cfgloop.h: Remove the prototype for loop_optimize.
2542 2006-01-16 DJ Delorie <dj@redhat.com>
2544 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2547 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2549 * pa.md: Disparage copies between general and floating-point registers
2550 in 32-bit move patterns.
2552 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2555 * Makefile.in (check-%): Depend on site.exp instead of
2556 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2559 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2561 * global.c (global_alloc): Make it static.
2562 * rtl.h: Remove the prototype for global_alloc.
2564 2006-01-16 Richard Guenther <rguenther@suse.de>
2566 * tree-ssa-alias.c (struct used_part): Add write_only field.
2567 (get_or_create_used_part_for): Initialize it to true.
2568 (create_overlap_variables_for): Don't create structure variables
2569 for structures that only are written to.
2570 (find_used_portions): Handle MODIFY_EXPR to track whether a
2571 structure is only written to.
2573 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2575 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2577 * basic-block.h: Remove the prototype for
2578 partition_hot_cold_basic_blocks.
2580 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2582 * cppspec.c (lang_specific_spec_functions): Remove.
2583 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2584 * gcc.h (lang_specific_spec_functions): Remove.
2585 * gccspec.c (lang_specific_spec_functions): Remove.
2587 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2589 * combine.c (record_value_for_reg): Invalidate registers
2591 (record_dead_and_set_regs_1): Likewise, by passing them to
2592 record_value_for_reg.
2593 (record_dead_and_set_regs): Invalidate stores made by a
2594 call. We do not combine across a call, but we still
2595 relied on equivalences.
2597 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2599 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2600 vrp_int_const_binop returning non-constant nodes.
2602 2006-01-16 Paul Brook <paul@codesourcery.com>
2604 * config/m68k/m68k.c (output_move_const_into_data_reg):
2605 Output correct mnemonic for mvz and mvs.
2607 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2609 * rtl-factoring.c: Add sequence abstraction algorithm.
2610 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2611 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2613 (block_has_preserve_label): New function.
2614 * common.opt: Register new pass.
2615 * Makefile.in: Ditto.
2617 * timevar.def: Ditto.
2618 * tree-pass.h: Ditto.
2619 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2620 * rtl.h (make_jump_insn_raw): Add forward decl.
2621 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2623 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2624 Roger Sayle <roger@eyesopen.com>
2626 * fold-const.c (fold_minmax): New static function.
2627 (fold_binary) <MIN_EXPR>: Call it.
2628 <MAX_EXPR>: Likewise.
2629 * stor-layout.c (place_field): Use DECL_SIZE consistently
2630 in the computation of the new record size.
2632 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2634 * cse.c (cse_condition_code_reg): Make it static.
2635 * rtl.h: Remove the prototype for cse_condition_code_reg.
2637 * combine.c (combine_instructions): Make it static.
2638 * rtl.h: Remove the prototype for combine_instructions.
2640 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2643 * tree.c (get_file_function_name_long): Concatenate the first global
2644 object name with a string derived from the input filename of the object
2647 2006-01-16 Ben Elliston <bje@au.ibm.com>
2649 * config/i386/winnt-stubs.c: Update FSF address.
2650 * config/xtensa/ieee754-df.S: Ditto.
2651 * config/xtensa/ieee754-sf.S: Ditto.
2653 2006-01-14 Ian Lance Taylor <ian@airs.com>
2655 * ifcvt.c (noce_init_if_info): New static function, broken out of
2656 noce_process_if_block.
2657 (noce_process_if_block): Call noce_init_if_info.
2658 (check_cond_move_block): New static function.
2659 (cond_move_process_if_block): New static function.
2660 (process_if_block): Call cond_move_process_if_block.
2662 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2664 * cselib.c (hash_table): Rename to cselib_hash_table.
2665 (cselib_clear_table, discard_useless_values,
2666 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2667 cselib_init, cselib_finish): Adjust uses of hash_table.
2669 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2671 PR tree-optimization/25485
2672 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2673 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2674 is known to be false and true, respectively.
2676 2006-01-14 Richard Guenther <rguenther@suse.de>
2678 PR tree-optimization/22548
2679 PR tree-optimization/22555
2680 PR tree-optimization/22501
2681 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2682 * params.def (salias-max-array-elements): New parameter.
2683 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2684 * doc/invoke.texi (salias-max-array-elements): Document.
2685 * tree-flow-inline.h (var_can_have_subvars): We also handle
2687 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2689 * tree-ssa-structalias.c (params.h): Include.
2690 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2691 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2692 (get_constraint_for): For ADDR_EXPR operating on something
2693 containing an ARRAY_REF, add all subvars to the solution.
2694 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2695 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2696 for creating MUST_DEFs.
2697 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2699 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2701 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2703 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2704 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2705 number_of_iterations_le): New functions.
2706 (number_of_iterations_special): Removed.
2707 (number_of_iterations_exit): Do not use number_of_iterations_special.
2708 * tree.c (unsigned_type_for): Always return integer type.
2710 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2711 Richard Guenther <rguenther@suse.de>
2713 PR rtl-optimization/24257
2714 * gcse.c (find_moveable_store): Only consider a store movable
2715 when the SET_SRC of the insn can be assigned to a register.
2717 2006-01-14 Ian Lance Taylor <ian@airs.com>
2719 * tree.c (tree_not_class_check_failed): New function.
2720 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2721 (tree_not_class_check_failed): Declare.
2723 2006-01-13 Ian Lance Taylor <ian@airs.com>
2725 * reload1.c (do_output_reload): Add assertion rejecting a
2728 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2730 * combine.c (struct reg_stat): Add new fields truncation_label and
2732 (record_value_for_reg): Reset truncated_to_mode.
2733 (record_truncated_value): New function.
2734 (check_promoted_subreg): Call it. Rename to check_conversions.
2735 (combine_instructions): Rename check_promoted_subreg to
2737 (reg_truncated_to_mode): New function.
2738 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2739 (gen_lowpart_or_truncate): New function.
2740 (force_to_mode): Use it instead of gen_lowpart.
2742 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2744 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2745 VAR is a tag, not its type tag.
2747 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2749 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2750 alternatives to match style of other entries.
2751 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2753 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2755 PR tree-optimization/25771
2756 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2759 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2762 * tree-inline.c (declare_return_variable): If the return variable
2763 was marked as a non gimple complex, set the return slot variable
2764 to be a non gimple comple variable.
2766 2006-01-13 Richard Guenther <rguenther@suse.de>
2768 * builtins.c (expand_builtin_sincos): New function.
2769 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2771 (expand_builtin): Expand sincos using expand_builtin_sincos.
2773 2006-01-12 DJ Delorie <dj@redhat.com>
2775 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2776 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2777 so that constant shifts can be split.
2778 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2779 (m32c_valid_pointer_mode): Make static.
2780 (shift_gen_func_for): New.
2781 (m32c_prepare_shift): Use it. Split large const shifts into
2783 * config/m32c/predicates.md (shiftcount_operand): Allow more
2785 (longshiftcount_operand): New.
2786 * doc/md.texi (Machine Constraints): Document In6.
2788 2006-01-13 Ben Elliston <bje@au.ibm.com>
2790 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2791 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2794 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2796 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2797 to try to avoid clobbering pieces of structures when we know
2798 something about the whole structure.
2799 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2801 2006-01-13 Ben Elliston <bje@au.ibm.com>
2803 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2804 return in memory, as this is no limitation is no longer present.
2806 2006-01-12 DJ Delorie <dj@redhat.com>
2808 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2809 mova with fb, and for fb+0 -> An.
2811 * config/m32c/mov.md (peephole2): Fix enabling logic.
2813 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2814 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2815 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2816 FINI_ARRAY_SECTION_ASM_OP): Define.
2818 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2820 (m32c_legitimize_reload_address): New logic to reload FB to An.
2821 (m32c_output_reg_push): Add newline.
2822 (m32c_output_reg_pop): Likewise.
2824 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2826 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2828 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2830 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2832 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2834 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2837 2006-01-11 Ben Elliston <bje@au.ibm.com>
2839 * rtlanal.c (find_reg_note): Assert insn is not null.
2841 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2843 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2846 2006-01-11 Jeff Law <law@redhat.com>
2848 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2850 (mark_threaded_blocks, register_jump_thread): New functions.
2851 (thread_through_all_blocks): Remove unwanted argument. No
2852 longer rely on e->aux to communicate thread target info.
2853 Call mark_threaded_blocks. Release the threaded_blocks
2854 bitmap and threaded_edges vector when complete.
2855 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2856 (threaded_blocks): Remove.
2857 (tree_ssa_dominator_optimize): Remove initialization and
2858 finalization of threaded_blocks. Simplify call to
2859 thread_through_all_blocks.
2860 (thread_across_edge): Call register_jump_thread rather than
2861 storing thread information into e->aux.
2862 (free_all_edge_infos): Simplify now that e->aux is no longer
2863 used to communicate with thread_through_all_blocks.
2864 * tree-flow.h (thread_through_all_blocks): Update prototype.
2865 (register_jump_thread): Prototype.
2867 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2869 * df-core.c (df_compact_blocks, df_bb_replace): Use
2870 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2872 2006-01-11 Richard Guenther <rguenther@suse.de>
2874 PR tree-optimization/25734
2875 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2876 stop propagation after successful propagation to the LHS.
2878 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2880 * basic-block.h (control_flow_graph): Change the type of
2881 x_basic_block_info to VEC(basic_block,gc) *.
2882 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2884 (SET_BASIC_BLOCK): New.
2885 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2886 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2887 * cfgbuild.c (find_basic_blocks): Likewise.
2888 * cfglayout.c (fixup_reorder_chain): Likewise.
2889 * cfgrtl.c (create_basic_block_structure,
2890 rtl_create_basic_block): Likewise.
2891 * ifcvt.c (find_if_case_1): Likewise.
2892 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2895 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2897 * Makefile.in: Removed rotted odf.c entry.
2899 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2902 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2903 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2904 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2905 output pattern modifier, not %e.
2906 * config/cris/cris.c (cris_op_str): Update comment about pattern
2908 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2909 before falling through into...
2910 <case 'E'>: Redefined from old 'e' case.
2912 2006-01-11 Jan Hubicka <jh@suse.cz>
2915 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2917 2006-01-11 Jan Hubicka <jh@suse.cz>
2919 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2920 * i386.c (x86_decompose_lea): Kill.
2921 (ix86_rtx_costs): Kill.
2923 2006-01-11 Jan Hubicka <jh@suse.cz>
2925 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2926 * cgraph.h (cgraph_node): Add inline_decl.
2927 (cgraph_insert_node_to_hashtable): Declare.
2928 (save_inline_function_body): Declare.
2929 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2931 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2932 (cgraph_function_versioning): Update call of tree_function_versioning.
2933 (save_inline_function_body): New function.
2934 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2935 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2936 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2937 (cgraph_default_inline_p): Likewise.
2938 (cgraph_decide_inlining_incrementally): Likewise.
2939 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2940 (copy_bb): Kill saving; do updating of clones.
2941 (copy_cfg_body): Kill saving.
2942 (initialize_inlined-parameters): Likewise.
2943 (expand_call_inline): Likewise.
2945 (tree_function_versioning): New parameter "update_clones".
2946 (inlining_p): Kill saving.
2947 * tree-inline.h (tree_function_versioning): Update prototype.
2948 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2951 2006-01-11 Ian Lance Taylor <ian@airs.com>
2953 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2954 Allow undoing set of machine mode.
2955 (do_SUBST): Use enums instead of is_int.
2956 (do_SUBST_MODE): New function.
2957 (SUBST_MODE): New macro.
2958 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2959 reg and trying to replace reg_regno_rtx with a new register.
2960 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2961 (simplify_set): Use SUBST_MODE.
2962 (distribute_notes): Remove code that tried to update reg notes
2963 for regno_reg_rtx changes.
2965 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2967 PR tree-optimization/23109
2968 PR tree-optimization/23948
2969 PR tree-optimization/24123
2971 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2972 * tree-cfg.c (single_noncomplex_succ): New.
2973 * tree-flow.h (single_noncomplex_succ): Declare it.
2974 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2975 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2976 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2977 insert_bb, register_division_in, insert_reciprocals,
2978 replace_reciprocal, free_bb): New.
2979 (execute_cse_reciprocals_1): Rewritten.
2980 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2981 Do not commit any edge insertion. Always compute dominators and
2982 create the allocation pool.
2983 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2984 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2985 * targhooks.c (default_min_divistions_for_recip_mul): New.
2986 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2987 * passes.c (init_optimization_passes): Run recip after tree loop
2989 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2991 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2992 Kenneth Zadeck <zadeck@naturalbridge.com>
2994 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2995 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2996 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2997 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2998 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2999 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3000 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3001 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3002 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3003 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3004 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3005 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3006 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3007 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3008 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3009 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3010 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3011 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3012 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3013 DF_SCAN_POST_ALLOC): New macros.
3014 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3015 df_free_bb_function, df_local_compute_function, df_init_function,
3016 df_dataflow_function, df_confluence_function_0,
3017 df_confluence_function_n, df_transfer_function,
3018 df_finalizer_function, df_free_function, df_dump_problem_function,
3019 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3020 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3021 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3022 df_urec_bb_info, ) New types.
3023 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3025 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3026 df_analyze_simple_change_some_blocks,
3027 df_analyze_simple_change_one_block, df_compact_blocks,
3028 df_bb_replace, df_bb_regno_last_use_find,
3029 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3030 df_insn_regno_def_p, df_find_def, df_find_use,
3031 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3032 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3033 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3034 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3035 debug_df_chain, df_get_dependent_problem, df_chain_create,
3036 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3037 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3038 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3039 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3040 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3041 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3042 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3043 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3044 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3045 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3046 df_reorganize_refs, df_set_state, df_hard_reg_init,
3047 df_read_modify_subreg_p) New public functions.
3048 * df-core.c: The core dataflow solver and glue routines for rtl
3050 (df_init, df_add_problem, df_set_blocks, df_finish,
3051 df_hybrid_search_forward, df_hybrid_search_backward,
3052 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3053 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3054 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3055 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3056 df_reg_defined, df_find_use, df_reg_used, df_dump,
3057 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3058 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3059 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3060 debug_df_useno, reset_df_after_reload): New functions.
3061 * df-scan.c: The scanning fuctions, once in df.c, completely
3062 rewritten so that they now fully model the functionality of
3063 register usage at the backend.
3064 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3065 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3066 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3067 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3068 df_get_artificial_defs, df_get_artificial_uses,
3069 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3070 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3071 df_refs_delete, df_reorganize_refs, df_set_state,
3072 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3073 df_def_record_1, df_defs_record, df_uses_record,
3074 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3075 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3076 df_record_exit_block_uses, df_hard_reg_init): New functions.
3078 * df-problems.c: Seven concrete dataflow problems that use the
3079 scanning in df-scan.c and are solved by the engine in df-core.c.
3080 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3081 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3082 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3083 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3084 df_ru_free_bb_info, df_ru_alloc,
3085 df_ru_bb_local_compute_process_def,
3086 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3087 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3088 df_ru_transfer_function, df_ru_free, df_ru_dump,
3089 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3090 df_rd_free_bb_info, df_rd_alloc,
3091 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3092 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3093 df_rd_transfer_function, df_rd_free, df_rd_dump,
3094 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3095 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3096 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3097 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3098 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3099 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3100 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3101 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3102 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3103 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3104 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3105 df_urec_mark_reg_use_for_earlyclobber,
3106 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3107 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3108 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3109 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3110 df_chain_create_bb_process_use, df_chain_create_bb,
3111 df_chain_finalize, df_chain_free, df_chains_dump,
3112 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3113 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3114 df_reg_lifetime): New functions.
3115 * df.c: Deleted file.
3116 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3117 consistent with new df api.
3118 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3119 rest_of_handle_sms): Ditto.
3120 * web.c (unionfind_union, union_defs, entry_register, web_main):
3122 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3123 invariant_expr_equal_p, find_defs, check_dependencies,
3124 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3125 free_inv_motion_data, move_loop_invariants): Ditto.
3126 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3127 Update dependencies.
3128 (odf.c): Added defective entry that was deleted later in day.
3129 * sched-deps.c (sched_analyze_1): Ditto.
3131 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3133 * tree-ssa-operands.c (get_expr_operands): Record addressable
3134 variables directly. Do not call add_stmt_operands for CONST_DECLs
3136 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3137 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3139 2006-01-11 Ben Elliston <bje@au.ibm.com>
3141 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3142 function returns true in the positive case.
3144 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3147 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3148 for SI, DI, SF and DF modes. Add alternatives to copy between
3149 general and floating point registers to the 32-bit patterns.
3150 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3151 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3152 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3153 generating 64-bit code.
3154 * config/pa/pa.c (output_move_double): Handle copies between general
3155 and floating registers.
3157 2006-01-10 Stuart Hastings <stuart@apple.com>
3159 * config/i386/i386.md (set_got): Update.
3160 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3161 (builtin_setjmp_receiver): Mach-O support.
3162 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3163 (GOT_SYMBOL_NAME): Define.
3164 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3165 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3166 * config/i386/i386.c (override_options): Revise for Darwin.
3167 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3168 support. (darwin_x86_file_end): New. (output_set_got): Add label
3169 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3170 * config/i386/i386-protos.h (output_set_got): Likewise.
3171 * config/darwin.c (machopic_legitimize_pic_address): Update
3174 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3176 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3177 when MODE isn't BLKmode.
3179 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3181 PR rtl-optimization/25367
3182 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3184 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3187 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3188 for a negative bound.
3190 2006-01-10 Richard Guenther <rguenther@suse.de>
3192 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3193 Never override with anything constraint.
3195 2006-01-10 Jan Beulich <jbeulich@novell.com>
3197 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3198 256 bits when optimize_size.
3200 2006-01-10 Jan Beulich <jbeulich@novell.com>
3202 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3204 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3205 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3208 2006-01-10 Ben Elliston <bje@au.ibm.com>
3210 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3212 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3213 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3214 (USE_FP_FOR_ARG): Reject decimal float modes.
3215 (function_arg_advance): Likewise.
3216 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3217 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3218 point types in AltiVec vectors.
3219 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3220 (rs6000_libcall_value): Likewise.
3222 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3224 * config/xtensa/ieee754-df.S: New file.
3225 * config/xtensa/ieee754-sf.S: New file.
3226 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3227 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3228 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3230 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3232 * config/sh/predicates.md (binary_float_operator,
3233 binary_logical_operator, commutative_float_operator,
3234 equality_comparison_operator, greater_comparison_operator,
3235 less_comparison_operator, logical_operator,
3236 noncommutative_float_operator, shift_operator,
3237 symbol_ref_operand, unary_float_operator): Remove redundant
3240 2006-01-09 Jeff Law <law@redhat.com>
3242 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3243 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3244 now unused arguments. Callers updated.
3245 (eliminate_redundant_computations): Remove now unused arguments,
3247 (local_fold): Remove, no longer used.
3248 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3250 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3251 (simplify_cond): New function.
3252 (forward_propagate_into_cond): Call simplify_cond.
3254 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3256 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3257 (*vec_extractv2di_1_sse): New.
3259 2006-01-09 Ben Elliston <bje@au.ibm.com>
3261 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3263 2006-01-08 Richard Guenther <rguenther@suse.de>
3265 * tree-ssa-structalias.c (get_constraint_for): Remove
3267 (get_constraint_for_component_ref): Likewise.
3268 (do_deref): Likewise.
3269 (get_constraint_for): Likewise.
3270 (do_structure_copy): Likewise.
3271 (handle_ptr_arith): Likewise.
3272 (find_func_aliases): Likewise. Remove unused need_anyoffset
3275 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3276 Kaz Kojima <kkojima@gcc.gnu.org>
3278 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3279 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3280 (EXTRA_CONSTRAINT_C16): Remove.
3281 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3282 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3283 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3284 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3285 constants of SHmedia. Handle nested constant expressions of
3287 (andcosts): Fix the costs for SHmedia constants.
3288 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3289 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3290 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3291 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3292 (movv4hi_i, movv2si_i): Likewise.
3293 (movsi_const): Adjust the second operand of ior so to match with
3295 (movdi_const, movdi_const_32bit): Likewise.
3296 (movdi_const_16bit+1): Don't sign-extend LOW.
3297 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3299 (*double_shori): Fix the split condition. Use GEN_INT instead
3300 of get_int_mode calls. Mask lower 16-bit of the argument of
3302 (sym2GOTPLT): Remove.
3303 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3305 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3306 instead of EXTRA_CONSTRAINT_C16.
3308 2006-01-07 Ian Lance Taylor <ian@airs.com>
3309 David Edelsohn <edelsohn@gnu.org>
3311 PR rtl-optimization/25662
3312 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3313 for constant operands instead of simplify_gen_binary.
3314 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3315 after trying simplify_binary_operation
3317 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3319 * tree.c (iterative_hash_expr): Hash decls based on UID.
3321 2006-01-06 Eric Christopher <echristo@apple.com>
3323 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3324 (TARGET_UNWIND_EMIT): Fix spelling.
3325 * target.h (gcc_target): Add except_table_label.
3326 * except.c (output_function_exception_table): Use.
3327 * varasm.c (default_emit_except_table_label): New.
3328 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3330 (asm_out): Add here.
3331 * output.h (default_emit_except_table_label): Prototype.
3332 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3333 * config/darwin.c (darwin_emit_except_table_label): Define.
3334 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3336 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3338 PR tree-optimization/18527
3339 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3340 number_of_iterations_special, number_of_iterations_exit):
3341 Move base and step of an iv to a single structure. Add
3342 no_overflow flag, and use it in # of iterations analysis.
3343 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3344 folded_casts argument.
3345 (simple_iv): Pass base and step in a structure. Set no_overflow
3347 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3348 Evaluate expensiveness of computing # of iterations instead of
3349 the final expression.
3350 * tree-scalar-evolution.h (affine_iv): New structure.
3351 (simple_iv): Declaration changed.
3352 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3353 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3354 find_givs_in_stmt): Changed due to simple_iv change.
3356 2006-01-06 Jeff Law <law@redhat.com>
3359 * tree-cfg.c (bsi_replace): Rename final argument from
3360 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3361 change (stmt -> orig_stmt).
3362 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3363 (bsi_remove): Add new argument. Remove EH information
3365 (verify_eh_throw_table_statements): New function.
3366 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3368 * tree-optimize.c (execute_free_cfg_annotations): Verify
3369 the EH throw statement table after removing annotations.
3370 * except.h (verify_eh_throw_table_statements): Prototype.
3371 * tree-flow.h (bsi_remove): Update prototype.
3372 * tree-vrp.c (remove_range_assertions): Add new argument to
3374 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3375 * tree-complex.c (expand_complex_div_wide): Likewise.
3376 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3377 * tree-tailcall.c (eliminate_tailcall): Likewise.
3378 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3379 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3380 * tree-nrv.c (tree_nrv): Likewise.
3381 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3382 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3383 (combine_blocks): Likewise.
3384 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3385 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3386 (cleanup_control_flow): Likewise.
3387 (remove_forwarder_block): Likewise.
3388 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3389 * tree-sra.c (sra_replace): Likewise.
3390 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3391 (forward_propagate_single_use_vars): Likewise.
3392 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3393 * tree-inline.c (expand_call_inline): Likewise.
3394 * tree-vect-transform.c (vect_transform_loop): Likewise.
3395 * tree-outof-ssa.c (rewrite_trees): Likewise.
3396 * tree-cfg.c (make_goto_expr_edges): Likewise.
3397 (cleanup_dead_labels): Likewise.
3398 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3399 (bsi_move_before, bsi_move_after): Likewise.
3400 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3401 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3403 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3406 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3408 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3409 on non gimple variables. Also add checks at the top for decls and
3411 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3413 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3414 and IMAGPART_EXPR for creating MUST_DEFs.
3415 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3416 and NAME_MEMORY_TAG separately from the DECLs.
3418 2006-01-06 Richard Guenther <rguenther@suse.de>
3420 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3421 annotation, if necessary.
3422 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3423 redundant calls to update_stmt.
3424 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3427 2006-01-05 Richard Henderson <rth@redhat.com>
3429 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3431 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3433 * c-typeck.c: Update copyright date.
3435 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3437 * c-typeck.c (build_c_cast): Always warn when casting
3438 from a pointer to an integer of different size, even if
3439 the node was constant.
3441 2006-01-05 Richard Guenther <rguenther@suse.de>
3443 PR tree-optimization/22555
3444 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3445 if one structure field is an array.
3446 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3447 operands even if we found a subvar, but ignore VOPs in this
3449 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3451 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3453 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3456 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3458 2006-01-05 Richard Guenther <rguenther@suse.de>
3459 Diego Novillo <dnovillo@redhat.com>
3461 * tree-pass.h (TODO_remove_unused_locals): Define.
3462 * gimple-low.c (expand_var_p, remove_useless_vars,
3463 pass_remove_useless_vars): Remove. Update all users.
3464 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3465 (remove_unused_locals): New function.
3466 * tree-flow.h (remove_unused_locals): Declare.
3467 * passes.c (execute_todo): Call remove_unused_locals if
3468 TODO_remove_unused_locals is set.
3469 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3470 * tree-ssa-dce.c (pass_dce): Likewise.
3471 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3473 2006-01-05 Richard Guenther <rguenther@suse.de>
3475 * tree-flow.h (struct fieldoff): Decompose field to
3476 type, size and decl.
3477 * tree-ssa-alias.c (create_sft): Take type as parameter.
3478 (create_overlap_variables_for): Store type, size and decl
3479 in the fieldoff structure.
3480 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3482 (push_fields_onto_fieldstack): Likewise.
3483 (create_variable_info_for): Likewise. Use offset for the
3484 SFT name if the decl is not available.
3486 2006-01-04 Paul Brook <paul@codesourcery.com>
3488 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3490 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3492 * lambda-code.c (can_put_in_inner_loop): Relax
3494 (can_put_after_inner_loop): New function.
3495 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3496 (perfect_nestify): Change to make copies and modify uses.
3498 2006-01-04 Richard Henderson <rth@redhat.com>
3500 Merge from gomp branch:
3501 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3502 via integer constant.
3503 (pragma_lex): Remove.
3504 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3505 rather than parsing it.
3506 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3507 handle_pragma_extern_prefix): Add %< %> quotes.
3508 (registered_pragmas): New.
3509 (c_register_pragma_1): New.
3510 (c_register_pragma): Use it.
3511 (c_register_pragma_with_expansion): Likewise.
3512 (c_invoke_pragma_handler): New.
3513 (init_pragma): Use cpp_register_deferred_pragma directly for
3515 * c-pragma.h (enum pragma_kind): New.
3516 (pragma_handler): New.
3517 (c_invoke_pragma_handler): Declare.
3518 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3520 * c-common.h (c_common_pch_pragma): Update decl.
3521 * Makefile.in (c-parser.o): Update dependencies.
3522 (GTFILES): Add c-pragma.h.
3523 * c-parser.c (struct c_token): Add pragma_kind.
3524 (struct c_parser): Add in_pragma.
3525 (c_lex_one_token): Always initialize keyword and pragma_kind.
3526 Extract data for CPP_PRAGMA.
3527 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3528 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3529 Don't allow CPP_PRAGMA_EOL if in_pragma.
3530 (c_parser_consume_pragma): New.
3531 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3532 (c_parser_skip_to_end_of_parameter): Likewise.
3533 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3534 (c_parser_skip_to_pragma_eol): New.
3535 (c_parser_external_declaration): Handle CPP_PRAGMA.
3536 (c_parser_compound_statement_nostart): Likewise.
3537 (c_parser_statement_after_labels): Likewise.
3538 (c_parser_pragma): New.
3539 (pragma_lex): Likewise.
3540 (c_parser_pragma_pch_preprocess): New.
3541 (c_parser_new): Merge into ...
3542 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3544 2006-01-04 Jeff Law <law@redhat.com>
3547 * tree-cfg.c (bsi_replace): Remove the original statement
3548 from the EH throw statement table.
3550 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3552 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3553 make the prototype extern "C" and add throw ().
3556 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3557 and pos non-negative and pos + len <= 32.
3558 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3559 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3560 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3563 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3564 as well as sizes not multiple of component size.
3567 * function.c (instantiate_expr): New function.
3568 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3569 walk its DECL_VALUE_EXPR with instantiate_expr.
3571 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3572 DW_OP_deref{,_size} if address isn't going to be added.
3574 2006-01-04 Ben Elliston <bje@au.ibm.com>
3576 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3577 * config/fp-bit.c: Likewise.
3579 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3581 * dominance.c: Add comment about why we use DFS numbering
3584 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3585 Richard Henderson <rth@redhat.com>
3587 Merge from gomp-branch:
3588 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3589 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3591 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3593 PR rtl-optimization/25578
3594 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3595 pass a parameter to simplify_shift_const if changing ASHIFTRT
3598 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3600 * builtins.c (get_builtin_sync_mem): New function.
3601 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3602 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3603 Call get_builtin_sync_mem to generate mem rtx.
3605 2006-01-03 Richard Guenther <rguenther@suse.de>
3608 * stmt.c (add_case_node): Make sure to clear overflow flags
3611 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3613 Merge from gomp-branch.
3614 * config/sparc/sync.md: New file.
3615 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3616 UNSPECV_LDSTUB): New constants.
3617 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3618 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3619 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3622 2006-01-03 Roger Sayle <roger@eyesopen.com>
3624 * combine.c (reg_subword_p): New predicate to test whether the
3625 destination of a set refers to a subword/piece of a register.
3626 (try_combine): Generalize the code to merge the setting of a
3627 pseudo to a constant followed by a set of a subword of that
3628 register to a constant.
3630 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3632 * basic-block.h (control_flow_graph): Change the type of
3633 x_label_to_block_map to VEC(basic_block,gc) *.
3634 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3635 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3637 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3638 VEC(basic_block,heap) *.
3639 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3640 ssa_prop_fini): Adjust the uses of cfg_blocks.
3642 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3644 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3646 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3647 hashing trees instead of a pointer hash.
3648 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3649 compare for MEM_EXPR.
3651 PR rtl-optimization/25130
3652 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3653 when comparing MEMs for GCSE
3655 2006-01-03 Ben Elliston <bje@au.ibm.com>
3657 * targhooks.h (default_decimal_float_supported_p): Declare.
3658 * targhooks.c (default_decimal_float_supported_p): Define.
3659 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3660 `default_decimal_float_supported_p'.
3661 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3663 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3665 * combine.c (apply_distributive_law <SUBREG>): Check
3666 TRULY_NOOP_TRUNCATION.
3668 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3670 * dwarf2out.c (have_switched_text_section): Delete.
3671 (have_multiple_function_sections): New.
3672 (have_location_lists): Make 'bool'.
3673 (add_AT_loc_list): Use 'true' not '1'.
3674 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3675 (output_loc_list): Use have_multiple_function_sections.
3676 (output_ranges): Likewise.
3677 (dwarf2out_begin_function): Set have_multiple_function_sections if
3679 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3680 Check function_section rather than DECL_SECTION_NAME.
3681 (dwarf2out_finish): Use have_multiple_function_sections.
3682 Don't clear have_location_lists.
3684 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3685 Jan Hubicka <jh@suse.cz>
3687 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3688 case of conditional jump jumping to the next instruction.
3689 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3690 cases of conditional jump jumping to the next instruction.
3692 2006-01-02 Jan Hubicka <jh@suse.cz>
3694 * i386.c (*_cost): Add COSTS_N_INSNS.
3695 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3697 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3700 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3702 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3704 * config/arm/arm.c (all_fpus): Fix comment typo.
3705 * config/darwin.c: Likewise.
3706 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3707 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3708 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3710 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3712 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3713 (rs6000_split_compare_and_swapqhi): New.
3714 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3715 (sync_compare_and_swapqhi_internal): New.
3716 * config/rs6000/rs6000-protos.h: Declare.