1 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6 bsi_after_labels iterator.
7 * tree-if-conv.c (find_phi_replacement_condition,
8 replace_phi_with_cond_modify_expr): Likewise.
9 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19 * tree-cfg.c (move_block_to_fn): Clear out the basic block
20 array after growing it.
22 2006-02-01 Steve Ellcey <sje@cup.hp.com>
25 * fold-const.c (fold_checksum_tree): Change type of buf.
27 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
29 * reload.c (push_secondary_reload): Initialize t_icode.
31 2006-02-01 Jakub Jelinek <jakub@redhat.com>
33 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
34 -msoft-float -mlong-double-128 only issue a warning, but don't
35 swich to DFmode long double.
37 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
39 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
40 has a constant equivalent, iterate over equivalents for arg0,
41 calling simplify_relational_operation and if there's a result
42 cheaper than X, apply fold_rtx and return the result.
44 2006-02-01 Jan Hubicka <jh@suse.cz>
46 * opts.c (no_unit_at_a_time_default): New global variable.
47 (decode_options): Use it.
48 * opts.h (no_unit_at_a_time_default): Declare.
50 2006-02-01 Paul Brook <paul@codesourcery.com>
52 * function.c (assign_parm_setup_reg): Use function argument promotion
54 * expr.c (expand_expr_real_1): Use function argument promotion rules
57 2006-02-01 Steve Ellcey <sje@cup.hp.com>
59 * gcc.c (process_command): Change j to 'unsigned int'.
61 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
64 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
65 Use the corrected index for the character
66 out of the string constant.
68 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
70 * mode-switching.c (optimize_mode_switching): Fix size
71 allocated for bb_info[n_entities].
73 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
75 * gcc.c (main): Correct type that is allocated for
78 2006-01-31 Jakub Jelinek <jakub@redhat.com>
80 * config/s390/s390.c (init_alignment_context): Set
81 ALIAS_SET_MEMORY_BARRIER on the MEM.
82 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
84 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
87 * loop-unroll.c (unroll_loop_runtime_iterations): Free
89 * tree-ssa-live.c (type_var_init): Allocate bitmap after
92 2006-01-31 Marcin Dalecki <martin@dalecki.de>
94 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
96 * tree-ssa-loop-im.c: Ditto.
98 * tree-complex.c: Ditto.
100 * tree-ssa-threadupdate.c: Ditto.
102 * java/class.c: Ditto.
103 * java/jcf-parse.c: Ditto.
104 * java/resource.c: Ditto.
105 * java/except.c: Ditto.
106 * java/jvspec.c: Ditto.
107 * java/jcf-write.c: Ditto.
108 * java/jcf-path.c: Ditto.
109 * java/gjavah.c: Ditto.
110 * java/zextract.c: Ditto.
111 * java/jcf-io.c: Ditto.
113 * java/buffer.c: Ditto.
114 * java/lang.c: Ditto.
115 * java/parse-scan.y: Ditto.
118 * cfgloopmanip.c: Ditto.
119 * postreload-gcse.c: Ditto.
120 * tree-ssa-loop-manip.c: Ditto.
121 * postreload.c: Ditto.
122 * tree-ssa-loop-ch.c: Ditto.
126 * diagnostic.c: Ditto.
128 * genoutput.c: Ditto.
131 * cfgloopanal.c: Ditto.
132 * objc/objc-act.c: Ditto.
134 * genextract.c: Ditto.
135 * genautomata.c: Ditto.
136 * pretty-print.c: Ditto.
138 * cgraphunit.c: Ditto.
141 * haifa-sched.c: Ditto.
142 * dominance.c: Ditto.
144 * tree-ssa-loop-ivopts.c: Ditto.
146 * mode-switching.c: Ditto.
147 * modulo-sched.c: Ditto.
149 * ipa-pure-const.c: Ditto.
151 * fix-header.c: Ditto.
153 * tree-stdarg.c: Ditto.
154 * ipa-utils.c: Ditto.
155 * loop-init.c: Ditto.
156 * ipa-inline.c: Ditto.
159 * alloc-pool.c: Ditto.
160 * dwarf2out.c: Ditto.
162 * genattrtab.c: Ditto.
163 * tree-ssa-loop-ivcanon.c: Ditto.
167 * fortran/gfortranspec.c: Ditto.
169 * local-alloc.c: Ditto.
170 * langhooks.c: Ditto.
172 * tree-vectorizer.c: Ditto.
174 * ipa-type-escape.c: Ditto.
176 * tree-if-conv.c: Ditto.
179 * tree-data-ref.c: Ditto.
180 * loop-unroll.c: Ditto.
181 * treelang/treetree.c: Ditto.
184 * ggc-common.c: Ditto.
188 * tree-cfgcleanup.c: Ditto.
189 * tree-ssa-pre.c: Ditto.
190 * cfgcleanup.c: Ditto.
191 * loop-invariant.c: Ditto.
194 * print-tree.c: Ditto.
197 * sched-deps.c: Ditto.
199 * tree-object-size.c: Ditto.
201 * bb-reorder.c: Ditto.
203 * var-tracking.c: Ditto.
205 * df-problems.c: Ditto.
206 * reg-stack.c: Ditto.
209 * sched-rgn.c: Ditto.
210 * tree-ssa-structalias.c: Ditto.
211 * tree-ssa-reassoc.c: Ditto.
212 * config/darwin-c.c: Ditto.
213 * config/darwin.c: Ditto.
214 * config/arm/arm.c: Ditto.
219 2006-01-31 Nicolas Pitre <nico@cam.org>
221 * arm.md (smaxsi3): Make aware of smax_m1.
224 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
226 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
228 2006-01-31 Richard Guenther <rguenther@suse.de>
230 * doc/invoke.texi (-msselibm): Document.
231 * target.h (expand_library_builtin): New target hook.
232 * builtins.c (expand_builtin): Use expand_library_builtin.
233 (default_expand_library_builtin): New function.
234 * gcc.c (LINK_GCC_MATH_SPEC): Define.
235 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
236 (link_gcc_math_spec): Declare.
237 (static_specs): Add link_gcc_math_spec.
238 * expr.h (default_expand_library_builtin): Declare.
239 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
240 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
241 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
242 * config/i386/i386.opt (msselibm): New target option.
243 * config/i386/i386.c (ix86_builtin_function_variants): New array.
244 (ix86_init_sse_abi_builtins): New function.
245 (ix86_expand_library_builtin): Likewise.
246 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
247 (override_options): Handle error conditions wrt -msselibm.
248 (ix86_builtins): Add function codes for SSE2 ABI builtins.
249 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
250 * doc/extend.texi (__builtin_sse2_*): Document new target specific
253 2006-01-31 Richard Guenther <rguenther@suse.de>
254 Paolo Bonzini <bonzini@gnu.org>
256 * doc/install.texi (--disable-libgcc-math): Document.
258 2006-01-30 Marcin Dalecki <martin@dalecki.de>
260 * expr.h (expand_normal): new inline function.
261 * builtins.c: use it, use EXPAND_NORMAL explicitely.
263 * dwarf2out.c: use it.
268 * config/sparc/sparc.c: use it.
269 * config/i386/i386.c: use it.
270 * config/rs6000/rs6000.c: use it.
271 * config/arm/arm.c: use it.
272 * config/mips/mips.c: use it.
273 * stmt.c: use it, use EXPAND_NORMAL explicitely.
275 2006-01-30 Roger Sayle <roger@eyesopen.com>
277 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
278 argv to the appropriate type.
280 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
282 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
285 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
288 * config/s390/s390.c (struct machine_function): New flag
289 decomposed_literal_pool_addresses_ok_p.
290 (s390_reorg): Set it before final stage of literal pool transforms.
291 (s390_decompose_address): Only accept displacements of the form
292 (minus (label_ref ...) (label_ref ...)) if that flag is set.
294 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
296 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
297 the comparison routine return.
299 2006-01-30 Michael Matz <matz@suse.de>
301 * global.c (find_reg): Only evict for global regs.
302 Take n_refs into account and dump more info.
304 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
307 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
308 (pragma_trap, pragma_nosave_low_regs): Likewise.
309 (current_function_anonymous_args): Likewise.
310 (sh_deferred_function_attributes): New variable.
311 (sh_deferred_function_attributes_tail): Likewise.
312 (print_operand): For '@', look up trap_exit attribute.
313 (calc_live_regs): Look up trapa_handler attribute. For trapa
314 handlers, save/restore fpscr, but don't do any other
315 interrupt-specific saves.
316 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
317 Fix check for partially saved registers to check for SHmedia.
318 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
319 (sh_output_function_epilogue): Don't clear any of the removed
321 (sh_insert_attributes): Don't check pragma_interrupt.
322 Insert deferred attributes. Check that interrupt attribute is
323 present for other attributes that require its presence.
324 (sh_attribute_table): Add new attributes trapa_handler and
326 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
327 Don't check for pragma_interrupt. Don't store argument.
328 * sh.h (pragma_interrupt, sp_switch): Don't declare.
329 (sh_deferred_function_attributes): Declare.
330 (sh_deferred_function_attributes_tail): Likewise.
331 * sh.md (sp_switch_1): Add operand. Change generator caller.
332 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
333 (*return_i): Don't use when trap_exit attribute is in effect.
334 (*return_trapa): New insn pattern.
336 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
337 setting c_target_objs and cxx_target_objs.
338 * t-sh: Add rule for sh-c.o.
340 2006-01-30 Richard Guenther <rguenther@suse.de>
343 * gimplify.c (gimplify_target_expr): Handle easy cases
344 without creating a temporary.
346 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
348 * vec.h (safe_grow): Remove duplicated line.
350 2006-01-29 Diego Novillo <dnovillo@redhat.com>
353 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
354 (expand_omp): ... here.
355 (expand_omp_parallel): Only remove barriers for combined
356 parallel+workshare constructs.
358 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
362 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
363 * tree.c (build_qualified_type): Chain the new type to the original
364 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
365 a POINTER_TYPE or a REFERENCE_TYPE respectively.
366 (build_pointer_type_for_mode): Only return unqualified types.
367 (build_reference_type_for_mode): Likewise.
369 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
371 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
372 * Makefile.in (CXX_COMPAT_WARN): Define.
373 * configure: Regenerate.
375 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
378 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
381 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
383 * toplev.c: Fix thinko.
385 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
386 Marcin Dalecki <martin@dalecki.de>
388 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
389 (push_srcloc): Use XNEW.
390 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
392 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
394 * df-core.c (df_set_blocks): Deleted all variable.
396 2006-01-28 Ian Lance Taylor <ian@airs.com>
398 * cgraphunit.c (cgraph_assemble_pending_functions): Call
399 cgraph_output_pending_asms.
401 2006-01-28 Zack Weinberg <zackw@panix.com>
403 * c.opt: Add -W(no-)overlength-strings.
404 * doc/invoke.texi: Document it.
405 * c-opts.c (c_common_handle_option): -pedantic implies
406 -Woverlength-strings, if not explicitly disabled already.
407 (c_common_post_options): -Woverlength-strings defaults to off, and
408 is always off for C++.
409 * c-common.c (fix_string_type): Issue warning about strings longer
410 than is portable only if warn_overlength_strings. Rearrange code
411 a little for clarity.
412 * configure.in: Check for -Wno-overlength-strings as well before
413 enabling -pedantic in stage 1.
414 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
415 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
417 * genconditions.c (write_header, write_one_condition)
418 (write_conditions, write_writer): Consolidate very long strings
419 that were broken up to fit in C89 portable limit. Don't use
420 printf when fputs will do.
422 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
424 * combine.c (simplify_comparison <AND>): Check
425 TRULY_NOOP_TRUNCATION before start using a subreg.
427 * config/mips/mips.md (*branch_zero<mode>,
428 *branch_zero<mode>_inverted, *branch_equality<mode>,
429 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
430 Remove mode check from comparisons.
432 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
434 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
436 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
438 * expmed.c (const_mult_add_overflow_p): Remove.
439 * expr.h: Remove the prototype for const_mult_add_overflow_p.
441 * recog.c (validate_replace_rtx_subexp): Remove.
442 * recog.h: Remove the prototype for
443 validate_replace_rtx_subexp.
445 * integrate.h: Remove the prototype for
446 copy_decl_for_inlining.
447 * rtl.h: Remove the prototype for mark_constant_function.
448 * tree-vectorizer.h: Remove the prototype for
449 vect_strip_conversion.
451 * modulo-sched.c (create_partial_schedule,
452 free_partial_schedule, reset_partial_schedule): Make them
455 * hooks.c (hook_bool_rtx_int_false): Remove.
456 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
458 2006-01-28 David Edelsohn <edelsohn@gnu.org>
460 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
461 and -mlong-double-128 are incompatible.
462 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
463 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
464 (TARGET_LIBGCC2_CFLAGS): Define.
465 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
466 (TARGET_LIBGCC2_CFLAGS): Same.
467 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
469 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
472 * c-typeck.c (build_binary_op): Perform implicit casts of
473 operands before shortening them.
475 * cfgloopmanip.c (split_loop_bb): Remove.
476 * cfgloop.h: Remove the prototype for split_loop_bb.
478 * cfgloop.c (flow_loop_outside_edge_p): Remove.
479 * cfgloop.h: Remove the prototype for
480 flow_loop_outside_edge_p.
482 * emit-rtl.c (init_virtual_regs): Make it static.
483 * function.h: Remove the prototype for init_virtual_regs.
485 * recog.c (peephole2_optimize): Make it static.
486 * recog.h: Remove the prototype for peephole2_optimize.
488 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
490 * df-scan.c (df_record_entry_block_defs): Check if
491 INCOMING_RETURN_ADDR_RTX is defined.
493 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
494 Kenneth Zadeck <zadeck@naturalbridge.com>
496 PR rtl-optimization/24762
497 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
498 * targhooks.c (hook_void_bitmap): New hook prototype.
499 * targhoohs.h (hook_void_bitmap): Ditto.
500 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
501 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
502 * target.h (live_on_entry): New function pointer.
503 * df-scan.c (df_all_hard_regs): Removed.
504 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
505 (df_scan_free_internal): Added df->entry_block_defs.
506 (df_scan_alloc): Ditto.
507 (df_scan_dump): Ditto.
508 (df_uses_record): Plumbed flag field properly thru calls.
509 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
510 This part fixes PR24762.
511 (df_bb_refs_record): Added code to make the frame and arg
512 pointers live in EH blocks.
513 (df_refs_record): Added call to df_record_entry_block_defs.
514 (df_record_entry_block_defs): New function.
515 * df-core.c: Added comments to describe new artifical defs.
516 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
517 (entry_block_defs): New field in struct df.
518 (df_all_hard_regs): Deleted.
519 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
520 * df-problems.c (df_ru_bb_local_compute_process_def):
521 Added code to handle artifical defs in the entry to a function.
522 (df_ru_bb_local_compute): Ditto.
523 (df_rd_bb_local_compute_process_def): Ditto.
524 (df_rd_bb_local_compute): Ditto.
525 (df_lr_bb_local_compute): Ditto.
526 (df_ur_bb_local_compute): Ditto.
527 (df_urec_bb_local_compute): Ditto.
528 (df_chain_create_bb): Ditto.
529 (df_ur_local_finalize): Removed entry.
530 (df_urec_init): Ditto.
531 (df_urec_local_finalize): Ditto.
532 (df_ri_bb_compute): Added detection of last use of pseudos.
533 * Makefile.in (df-scan.o): Updated dependencies.
534 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
535 * config/mips/mips.c (mips_set_live_on_entry): Added.
536 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
538 * dce.c (marked_insn_p): Added code to handle artifical defs.
540 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
542 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
544 (_mm_cvtsi128_si64): Likewise.
545 (_mm_cvtsd_si64): Likewise.
546 (_mm_cvttsd_si64): Likewise.
547 (_mm_cvtsi64_sd): Likewise.
548 (_mm_cvtsi64_si128): Likewise.
549 * config/i386/mmintrin.h (_m_from_int64): Likewise.
550 (_mm_cvtsi64_m64): Likewise.
551 (_m_to_int64): Likewise.
552 (_mm_cvtm64_si64): Likewise.
553 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
554 (_mm_cvttss_si64): Likewise.
555 (_mm_cvtsi64_ss): Likewise.
556 (_mm_cvtss_f32): Likewise.
558 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
560 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
561 for pragma redefine_extname.
563 2006-01-27 Jakub Jelinek <jakub@redhat.com>
566 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
567 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
568 -mno-minimal-toc to previous content.
569 (bispecs): Remove goal.
570 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
571 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
572 compatibility aliases on powerpc-*-*gnu*.
573 * config/rs6000/libgcc-ppc-glibc.ver: New file.
574 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
575 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
576 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
577 (ldblspecs): New goal.
578 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
579 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
581 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
582 L_sf_to_tf or L_df_to_tf is defined.
584 2006-01-27 David Edelsohn <edelsohn@gnu.org>
585 Alan Modra <amodra@bigpond.net.au>
588 * config/rs6000/linux.h (POWERPC_LINUX): Define.
589 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
590 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
591 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
592 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
593 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
594 (rs6000_override_options): Initialize rs6000_ieeequad.
595 Initialize TFmode format to ibm_extended_format if not
597 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
599 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
600 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
601 (function_arg_advance): IBM long double passed in two FPRs, not
603 (function_arg): IBM long double passed in FPRs.
604 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
605 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
606 Only multireg GPR aligned.
607 (rs6000_init_libfuncs): Enable IBM long double functions if not
609 (rs6000_generate_compare): Use IBM long double compare if not
611 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
612 (TARGET_IEEEQUAD): Define.
613 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
615 * config/rs6000/rs6000.md: Enable TFmode patterns if
617 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
618 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
619 and -mlong-double-128 are incompatible.
620 * doc/invoke.texi (-mabi): Collect options together. Add
621 ibmlongdouble and ieeelongdouble.
623 2006-01-27 Richard Sandiford <richard@codesourcery.com>
625 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
627 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
628 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
629 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
630 * rtl.h (rtunion_def): Remove rt_ptr.
632 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
633 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
634 * config/i386/winnt.c (i386_pe_mark_dllexport)
635 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
637 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
639 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
641 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
645 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
646 pthread_key_delete. From John David Anglin. gthrw-ify
647 pthread_getunique_np only if it it's not a macro. Delete
649 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
650 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
651 __gthread_objc_condition_signal, __gthread_key_delete): Add
652 "__attribute__ ((__unused__))" to unused arguments.
653 (__gthread_recursive_mutex_init_function): Add missing return.
654 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
655 gthr-posix95.h: Use macro-based approach for name redirection
656 on targets missing weakref.
658 2006-01-26 Zack Weinberg <zackw@panix.com>
660 * genconditions.c (write_header): In generated code, #ifdef out
661 all includes and fake declarations, except includes of bconfig.h
662 and system.h, unless GCC_VERSION >= 3001. Do not include
663 gensupport.h in any case.
664 (write_conditions): Generate a definition of struct c_test. Add
665 a comment to the generated #endif.
666 (write_one_condition): Escape backslashes in string too.
667 (write_writer): Generated code must escape backslashes and quote
668 marks (but not newlines) in the strings it writes.
669 * Makefile.in (build/gencondmd.o): Update dependencies.
671 2006-01-26 Steve Ellcey <sje@cup.hp.com>
674 * Makefile.in (insn-automata.o): Add header file dependencies.
675 * genautomata.c: Add includes.
677 2006-01-26 Steve Ellcey <sje@cup.hp.com>
680 * Makefile.in (insn-automata.o): Add -Wno-error flag.
682 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
684 * configure.ac: Expect target tools paths to be passed from the toplevel
685 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
687 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
689 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
692 * c.opt (Wpointer-sign): Init to -1.
693 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
694 OPT_pedantic, to 0 otherwise.
695 * doc/invoke.texi: Update.
697 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
699 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
700 constants provided by 80387 instructions in the destination mode.
702 2006-01-26 Richard Guenther <rguenther@suse.de>
703 Andrew Pinski <pinskia@physics.uc.edu>
706 partial PR tree-opt/17064
707 * tree-ssa-structalias.c (intra_create_variable_infos):
708 Create heap variables for incoming parameters if
709 flag_argument_noalias > 1.
710 (find_what_p_points_to): Look through default defs of
713 2006-01-26 Jeff Law <law@redhat.com>
716 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
717 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
718 within the VR_RANGE, use the VR_RANGE as the result, not the
720 (adjust_range_with_scev): Reject ranges from SCEV which are out
721 of bounds for the type.
723 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
725 * tree-ssa-alias.c (maybe_create_global_var): Change
726 subvar walking to an assertion that we don't have subvar'd variables.
728 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
731 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
732 Use a new variable, inner. PARM_DECLs are always non-weak.
734 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
736 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
739 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
741 * config/mips/mips.md (*clear_upper32): New combiner pattern.
743 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
745 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
746 (smax_insn, smin_insn, smax_0, smin_0): New.
748 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
751 * config/cris/cris.c (cris_order_for_addsi3): New function.
752 * config/cris/cris-protos.h: Prototype it.
753 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
754 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
755 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
756 (split for "op.S1 [rx=rx+i],ry (swapped)")
757 (split for "op(s|u).S1 [rx=rx+i],ry")
758 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
759 Apply cris_order_for_addsi3 when generating addsi3 insns.
761 2006-01-25 Diego Novillo <dnovillo@redhat.com>
763 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
764 (TREE_BLOCK): Add call to EXPR_CHECK.
766 2006-01-25 Diego Novillo <dnovillo@redhat.com>
769 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
770 * tree-pretty-print.c (dump_omp_clause): Extract from ...
771 (dump_omp_clauses): ... here.
772 (dump_generic_node): Handle OMP_CLAUSE.
773 * tree.c (omp_clause_num_ops): New.
774 (omp_clause_code_name): New.
775 (tree_code_size): Handle OMP_CLAUSE.
776 (tree_size): Likewise.
777 (make_node): Document handling of OMP_CLAUSE.
778 (tree_node_structure): Handle OMP_CLAUSE.
779 (omp_clause_check_failed): New.
780 (omp_clause_range_check_failed): New.
781 (omp_clause_operand_check_failed): New.
782 (build_omp_clause): New.
783 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
784 * tree.h (enum omp_clause_code): Declare.
785 (OMP_CLAUSE_SUBCODE_CHECK): Define.
786 (OMP_CLAUSE_RANGE_CHECK): Define.
787 (OMP_CLAUSE_ELT_CHECK): Define.
788 (omp_clause_check_failed): Declare.
789 (omp_clause_operand_check_failed): Declare.
790 (omp_clause_range_check_failed): Declare.
791 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
792 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
793 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
794 (OMP_CLAUSE_LASTPRIVATE): Likewise.
795 (OMP_CLAUSE_IF_EXPR): Likewise.
796 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
797 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
798 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
799 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
800 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
801 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
802 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
803 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
804 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
805 (OMP_CLAUSE_CODE): Define.
806 (OMP_CLAUSE_SET_CODE): Define.
807 (OMP_CLAUSE_CODE): Define.
808 (OMP_CLAUSE_OPERAND): Define.
809 (struct tree_omp_clause): Declare.
810 (union tree_node): Add field 'omp_clause'.
811 * treestruct.def (TS_OMP_CLAUSE): Define.
812 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
813 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
814 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
815 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
816 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
817 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
818 (OMP_CLAUSE): Define.
819 * print-tree.c (print_node): Handle OMP_CLAUSE.
820 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
821 * c-typeck.c: Likewise.
822 * gimplify.c: Likewise.
824 * tree-nested.c: Likewise.
825 * tree-inline.c: Likewise.
826 * c-parser.c: Likewise.
827 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
830 2006-01-25 Roger Sayle <roger@eyesopen.com>
832 PR rtl-optimization/25703
833 * combine.c (try_combine): Handle zero_extract and strict_low_part
834 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
836 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
838 * global.c: Fix comment typos.
840 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
843 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
844 Use output_addr_const instead of assemble_name.
846 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
848 * Makefile.in (sched-vis.o): Update dependencies.
849 * haifa-sched.c (sched_finish): Clear current_sched_info.
850 * cfg.c (dump_bb_info): New, split from dump_flow_info.
851 (dump_flow_info): Call it.
852 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
854 * basic-block.h (dump_bb_info): Declare.
855 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
856 option, and apply options only for dump files whose TDF_RTL,
857 TDF_TREE, or TDF_IPA bits match.
858 * rtl.h: Declare new functions exported from sched-vis.c.
859 * sched-vis.c: Enable also if scheduling is not used.
860 (print_value): Print the mode of registers if not inside scheduling.
861 (print_insn): Make it work outside the scheduler. Beautify the output
863 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
865 2006-01-25 Richard Sandiford <richard@codesourcery.com>
867 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
868 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
869 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
870 depending on the value of CONSTANT_POOL_ADDRESS_P.
871 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
873 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
874 rather than SYMBOL_REF_DECL.
875 (rtx_constant_pool): Remove const_rtx_sym_htab.
876 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
877 (init_varasm_status): Don't initialize const_rtx_sym_htab.
878 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
879 Remove handling of const_rtx_sym_htab.
880 (find_pool_constant): Delete.
881 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
882 rather than find_pool_constant.
883 (get_pool_constant_for_function): Delete.
884 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
886 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
887 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
888 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
889 (SYMBOL_REF_CONSTANT): New macro.
890 (get_pool_constant_for_function): Delete.
891 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
892 rather than SYMBOL_REF_DECL.
893 (i386_pe_mark_dllimport): Likewise.
894 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
895 rather than SYMBOL_REF_DECL.
896 * config/darwin.c (machopic_indirect_data_reference): Likewise.
897 (machopic_indirect_call_target): Likewise.
899 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
901 * flow.c (delete_noop_moves): Add missing EOL to dump message.
903 2006-01-25 Richard Sandiford <richard@codesourcery.com>
905 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
907 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
909 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
911 2006-01-24 David Daney <ddaney@avtrex.com>
914 * configure.ac (enable_tls): New enable option.
915 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
916 * configure: Regenerate.
917 * doc/install.texi (--enable-tls): Document new option.
918 (--disable-tls): Ditto.
920 2006-01-24 Richard Henderson <rth@redehat.com>
922 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
923 * alias.c (true_dependence): Respect it.
924 (canon_true_dependence, write_dependence_p): Likewise.
925 * builtins.c (get_builtin_sync_mem): Set it.
927 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
929 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
932 2006-01-24 DJ Delorie <dj@redhat.com>
934 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
935 for storing constants in single-bit bitfields.
937 2006-01-25 Ben Elliston <bje@au.ibm.com>
939 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
941 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
944 * tree-ssa-pre.c (phi_translate): Return NULL
945 for AGGREGATE_TYPE's.
947 2006-01-24 Zack Weinberg <zackw@panix.com>
949 * genautomata.c (process_state_for_insn_equiv_partition):
950 Use xcalloc for insn_arcs_array.
951 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
952 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
954 2006-01-24 Richard Henderson <rth@redhat.com>
956 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
959 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
961 PR rtl-optimization/25890
962 PR rtl-optimization/25905
963 * combine.c (expand_compound_operation, expand_field_assignment):
964 Fail if the bitfield's final position is out of bounds.
966 2006-01-24 Ian Lance Taylor <ian@airs.com>
969 * cgraphunit.c (cgraph_output_in_order): Don't clear
970 cgraph_asm_nodes until after asm strings have been output.
972 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
974 * fix-header.c (read_scan_file): Add new parameter imultilib when
975 calling register_include_chains.
977 2006-01-23 Diego Novillo <dnovillo@redhat.com>
979 * omp-low.c: Update documentation.
981 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
982 Daniel Berlin <dberlin@dberlin.org>
986 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
987 return from the function.
989 2006-01-22 Zack Weinberg <zackw@panix.com>
991 * rtl.def (match_code): Add second argument.
992 * genpreds.c (write_extract_subexp): New function.
993 (write_match_code): Add path argument. Use write_extract_subexp.
994 (write_predicate_expr): Pass path to write_match_code.
995 (mark_mode_tests): MATCH_CODE applied to a subexpression does
996 not perform a mode test.
997 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
998 a subexpression does not constrain the top-level code set.
999 * read-rtl.c (read_rtx_variadic): New function.
1000 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1001 * doc/md.texi: Document new notation.
1002 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1003 (cmpsi_operand): ... here, using new notation.
1005 2006-01-22 Zack Weinberg <zackw@panix.com>
1007 * varray.c: Remove GENERATOR_FILE #ifdefs.
1009 2006-01-22 Zack Weinberg <zackw@panix.com>
1011 * genautomata.c (output_reserved_units_table): Emit nothing if
1012 description->query_units_num is zero. Remove extra blank line.
1013 (output_cpu_unit_reservation_p): Short circuit
1014 if description->query_units_num is zero.
1016 2006-01-22 Zack Weinberg <zackw@panix.com>
1018 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1019 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1020 nor any of the random handful of variables that used to be necessary
1021 when this program was linked with rtlanal.o. Prune set of forward
1022 function declarations.
1023 (struct attr_desc): Remove static_p field.
1024 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1025 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1026 (attr_string): Do not read the character one past the length of
1028 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1029 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1030 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1031 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1032 (make_automaton_attrs): New.
1033 (main): Do not call into genautomata. Call local gen_bypass
1034 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1035 Remove special case for insn_alts.
1036 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1037 varray.h (leftover from previous change). Prune set of forward
1038 function declarations. Remove state_alts fields from all
1039 structures. Remove state_alts_table from struct automaton.
1040 Make everything except main static. Do not maintain num_dfa_decls.
1041 Do not maintain state_alts fields of various structures.
1042 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1043 (add_arc): Remove state_alts argument. All callers updated.
1044 (output_reserved_units_table): Emit #ifdef here...
1045 (output_tables): ...not here. Don't generate state_alts tables.
1046 (expand_automata): Don't generate attributes.
1047 (write_automata): Don't generate state_alts functions.
1048 (main): New function.
1049 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1050 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1051 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1052 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1053 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1054 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1055 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1056 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1058 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1059 * genattrtab.h: Delete file.
1060 * Makefile.in (OBJS-common): Add insn-automata.o.
1061 (insn-automata.o): New rule.
1062 (simple_generated_c): Add insn-automata.c.
1063 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1064 (genprogmd): Add automata.
1065 (build/genattrtab): Needs no extra objects nor libraries.
1066 (build/genautomata): Needs build/vec.o and -lm.
1068 2006-01-22 Zack Weinberg <zackw@panix.com>
1070 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1071 (output_dfa_max_issue_rate, locked_states_num): Delete.
1072 (struct automaton): Add locked_states field.
1073 (output_dead_lock_vect): Save number of locked states in
1074 automaton->locked_states. If it is zero, don't print anything.
1075 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1076 (output_internal_dead_lock_func): Only test the dead_lock_vect
1077 for automata that have locked states.
1078 (output_statistics): Always print the number of locked states for
1079 each automaton. Calculate total number of locked states here.
1080 (write_automata): Don't call output_dfa_max_issue_rate.
1081 * genattrtab.c: Define length_unit_log as a const variable.
1082 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1083 max_insn_queue_index const.
1084 * final.c (length_unit_log): Declare const.
1085 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1087 2006-01-22 Zack Weinberg <zackw@panix.com>
1089 * genautomata.c: Include vec.h, not varray.h.
1090 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1091 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1092 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1093 VEC_* macros operating on appropriately typed vectors, or to
1094 malloced arrays when the size is known in advance. Const-ify
1095 many char* variables and function arguments. No functional changes.
1096 * Makefile.in (build/varray.o): Delete rule.
1097 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1098 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1100 2006-01-22 Zack Weinberg <zackw@panix.com>
1102 * gensupport.c: Define get_insn_name and record_insn_name here.
1103 (read_md_rtx): Call record_insn_name as appropriate.
1104 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1105 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1106 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1108 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1109 (BUILD_VARRAY): Delete.
1110 (genprognormal): Rename genprogmd. Fold in all programs from
1111 genprognoprint; also attrtab.
1112 (build/genattrtab): Just mention genautomata.o and varray.o.
1113 Reorganize a bit, add comments to make the categories clearer.
1115 2006-01-22 Zack Weinberg <zackw@panix.com>
1117 * genconditions.c (condition_table, add_condition): Delete.
1118 (write_conditions): Don't emit n_insn_conditions nor
1119 insn_elision_unavailable. Issue the gcc version #ifdef here,
1120 inside the table, with no #else clause ...
1121 (write_header): ...not here.
1122 (write_writer): New function.
1123 (main): Don't initialize condition_table. Use add_c_test.
1125 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1126 files on the command line.
1127 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1128 Return -1 if there is no entry in the table, don't abort.
1129 (add_c_test, traverse_c_tests): New functions.
1130 * gensupport.h (insn_elision_unavailable, insn_conditions)
1131 (n_insn_conditions): Delete declarations.
1132 (add_c_test, traverse_c_tests): Declare.
1133 * read-rtl.c: Include gensupport.h.
1134 (read_conditions): New function.
1135 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1136 (read_rtx_1): If we get EOF when we were looking for an initial
1137 open paren, return 0. Call read_conditions when appropriate.
1138 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1139 dummy-conditions.o. Eliminate references to insn-conditions.o,
1140 or change them to build/gencondmd.o, as appropriate. Remove
1141 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1142 from $(simple_generated_c). For all files remaining in those
1143 two lists, add insn-conditions.md to the generator command line.
1144 Give insn-constants.h/s-constants their own rules. Add rules
1145 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1146 (build/read-rtl.o): Depend on gensupport.h.
1147 (genprognormal): Include preds.
1148 (genprogearly): Rename genprognoprint; only difference is now that
1149 they don't link with $(BUILD_PRINT).
1150 * dummy-conditions.c: Delete.
1152 2006-01-22 Zack Weinberg <zackw@panix.com>
1154 * genextract.c: Don't include insn-config.h. Do include vec.h.
1155 Declare vectors of int, char, and locstr.
1156 (locstr): New typedef.
1157 (struct extraction): Make all array fields into bare pointers.
1158 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1159 (insn_code_number): Delete.
1160 (accum_extract): New struct.
1161 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1162 (gen_insn): Take insn_code_number as an argument. Use an
1163 accum_extract structure instead of loading data directly into
1164 a struct extraction, and having to know how big it might get.
1165 (walk_rtx): Operate entirely on an accum_extract structure.
1166 (print_path): Avoid unnecessary use of printf.
1167 (print_header): New function, split out of main. Distinguish
1168 more carefully between an unrecognizable insn and an insn that
1169 has the code number of a define_expand.
1170 (main): Pass insn_code_number to gen_insn. Call print_header
1171 only after parsing. Avoid unnecessary use of printf.
1172 * Makefile.in (build/vec.o): New rule.
1173 (build/genextract): Depend on build/vec.o.
1174 (build/genextract.o): Don't depend on insn-config.h.
1176 2006-01-22 Zack Weinberg <zackw@panix.com>
1178 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1179 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1180 practical. Eliminate per-generator-program link rules.
1182 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1185 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1186 with a call expr to ...
1187 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1189 2006-01-23 Richard Guenther <rguenther@suse.de>
1191 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1192 before make_edge with conditional EDGE_TRUE_VALUE.
1194 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1195 Jan Hubicka <jh@suse.cz>
1196 Richard Guenther <rguenther@suse.de>
1198 PR rtl-optimization/25654
1199 * cfgexpand.c (aggregate_contains_union_type): New function.
1200 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1201 for structure variables that contain a union type.
1203 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1205 * gengtype.c (new_structure): Return the structure.
1206 (create_option): Add an extra "next" argument.
1207 (create_field): New function.
1208 (adjust_field_rtx_def): Use create_option and create_field.
1209 Remove a now-unnecessary call to find_structure.
1210 (adjust_field_tree_def): Likewise.
1211 (note_yacc_type): Remove an unnecessary call to find_structure.
1212 * gengtype.h (new_structure): Return the structure.
1213 (create_option): Add an extra argument.
1214 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1215 (option): Adjust calls to create_option.
1217 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1219 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1221 2006-01-22 Paul Brook <paul@codesourcery.com>
1222 Peter Barada <peter@the-baradas.com>
1224 * config/m68k/m68k.md: Add Coldfire FPU support.
1225 Define FP mode macro and associated attributes.
1226 Use it for float mode patterns.
1227 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1228 (LIBCALL_VALUE): Use m68k_libcall_value.
1229 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1230 (m68k_function_value): Ditto.
1231 (emit_move_sequence): Ditto.
1232 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1233 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1234 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1235 (MULTILIB_EXCEPTIONS): Ditto.
1236 * config/m68k/m68k.opt: Add mcfv4e.
1237 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1238 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1239 (m68k_output_function_prologue): Save ColdFire FPU registers.
1240 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1241 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1242 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1243 ColdFire FPU registers.
1244 (m68k_libcall_value, m68k_function_value): New functions.
1245 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1246 (LIBCALL_VALUE): Use m68k_libcall_value.
1247 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1248 (MASK_COLDFIRE): Add MASK_CFV4E.
1249 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1250 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1251 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1252 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1253 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1254 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1255 * doc/invoke.tex: Document -mcfv4e on m68k.
1257 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1259 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1262 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1265 * c-opts.c (c_common_handle_option): Don't include
1266 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1267 * doc/invoke.texi (C++ Dialect Options): Document that
1268 -Wnon-virtual-dtor is no longer included in -Wall.
1270 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1272 * gcov.c (print_version), gcov-dump.c (print_version),
1273 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1276 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1278 * df-scan.c (problem_SCAN): Added NULL reset function.
1279 (df_scan_reset_blocks): Added code to call reset block function
1280 (df_bb_refs_delete) Fixed comment.
1281 (df_insn_refs_delete): Made tolerant of deleting non existent info
1282 for dataflow problems that need to be reset.
1283 * df-core.c (df_set_blocks): Ditto.
1284 * df.h (struct df_problem): Added reset_fun.
1285 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1286 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1287 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1288 functions to clear out all references to def-use or use-def chains.
1290 2006-01-21 Ben Elliston <bje@au.ibm.com>
1292 * varasm.c (assemble_real): Initialise data array.
1294 2006-01-20 Paul Brook <paul@codesourcery.com>
1296 Merge from csl-arm-branch.
1297 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1298 * config/arm/arm.md (movdi): Force operands[1] to a register
1299 if we have a non-register source.
1300 (*arm_movdi, *movdf_soft_insn): Require that one of the
1301 operands be a register.
1302 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1303 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1305 2006-01-20 DJ Delorie <dj@redhat.com>
1307 * varasm.c (initialize_constant_valid_p): Allow pointers
1308 initialized from integer constants of lesser precision.
1309 (output_constant): Allow non-int-sized pointer modes to be
1310 initialized from integer constants.
1312 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1315 * cppdefault.h (struct default_include): Add multilib flag.
1316 * cppdefault.c (cpp_include_defaults): Set it.
1317 * c.opt (-imultilib): New option.
1318 * c-opts.c (imultilib): New.
1319 (c_common_handle_option): Handle -imultilib.
1320 (c_common_post_options): Likewise.
1321 * c-incpath.c (add_standard_paths, register_include_chains):
1323 * c-incpath.h (register_include_chains): Add extra parameter.
1324 * gcc.c (do_spec_1): Generate -imultilib option.
1325 (The Specs Language): Update %I description.
1326 (process_command): Update copyright notice.
1327 * doc/cppopts.texi (-imultilib): Document.
1328 * doc/invoke.texi (-imultilib): Include in option summary.
1329 (%I): Update specs documentation.
1331 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1333 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1335 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1337 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1340 2006-01-20 Richard Guenther <rguenther@suse.de>
1341 Steven Bosscher <stevenb.gcc@gmail.com>
1343 PR rtl-optimization/24626
1344 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1345 EDGE_TRUE_VALUE if in RTL mode.
1348 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1349 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1351 2006-01-20 Dirk Mueller <dmueller@suse.com>
1354 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1355 instead of a special NOP marker.
1356 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1357 NOP marker handling.
1358 * c-common.h (empty_body_warning): Add forward declaration.
1359 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1360 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1362 2006-01-20 Paul Brook <paul@codesourcery.com>
1364 * Makefile.in (lang_checks): Keep going if mkdir fails.
1366 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1368 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1369 be able to clean out basic block when not necessary.
1370 (df_scan_free): Fixed to properly delete information if df is
1371 unused before calling df_finish.
1372 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1373 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1375 (df_bb_refs_delete): New function.
1376 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1377 * df-core.c (df_set_blocks): Added code to properly clean out
1378 unused blocks if they are not part of the blocks to consider.
1379 Added additional null check.
1380 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1381 be able to clean out basic block when not necessary
1382 * df.h (df_free_bb_function): Ditto.
1383 (df_bb_refs_delete): New function.
1384 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1385 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1386 basic block parameter to be able to clean out basic block when not
1388 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1389 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1390 Fixed to properly delete information if df is unused before
1393 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1395 PR rtl-optimization/25799
1396 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1397 Corrected confluence operator to remove bits from op2 before oring
1398 with op1 rather than removing bits from op1.
1399 (df_ru_transfer_function): Corrected test on wrong bitmap which
1400 caused infinite loop. Both of these problems were introduced in
1401 the dataflow rewrite.
1403 2006-01-19 DJ Delorie <dj@redhat.com>
1405 * reload1.c (find_reload_regs): Note the details of reload
1406 failures in the dump file.
1407 (spill_failure): Likewise.
1409 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1411 * loop-iv.c: Include df.h and hashtab.h.
1412 (enum iv_grd_result): New enum.
1413 (DF_REF_IV, DF_REF_IV_SET): New macros.
1414 (struct biv_entry): New.
1415 (df, bivs): New global variables.
1416 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1417 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1419 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1420 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1421 analyzed_for_bivness_p, record_biv): New functions.
1422 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1423 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1424 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1426 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1428 (iv_number_of_iterations): Use new interface to iv analysis.
1429 * loop-unroll.c: Do not include varray.h.
1430 (analyze_iv_to_split_insn): Use new interface to iv
1432 * loop-unswitch.c (may_unswitch_on): Ditto.
1433 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1435 (df_bb_modify): Realloc tables to the new index.
1436 (df_find_use): New function.
1437 * df.h (df_find_use): Declare.
1438 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1440 * cfgloop.h (struct rtx_iv): Remove analysed field.
1441 (iv_get_reaching_def): Removed.
1442 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1443 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1444 (loop-iv.o): Add df.h and hashtab.h dependency.
1445 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1447 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1449 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1451 (__floatundisf, __floatundidf): Likewise.
1452 * libgcc2.h (IS_IBM_EXTENDED): Define.
1454 2006-01-19 DJ Delorie <dj@redhat.com>
1456 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1458 2006-01-19 Paul Brook <paul@codesourcery.com>
1460 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1461 as nothrow when unwinding tables are disabled.
1463 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1466 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1467 of bit-field" when in system header.
1469 2006-01-19 DJ Delorie <dj@redhat.com>
1471 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1472 the 16 bit shift limit of the m16c.
1474 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1477 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1478 * config/i386/i386.c (output_set_got): Output the label if we have one
1479 for the TARGET_DEEP_BRANCH_PREDICTION case.
1481 2006-01-19 Jan Hubicka <jh@suse.cz>
1482 H.J. Lu <hongjiu.lu@intel.com>
1483 Evandro Menezes <evandro.menezes@amd.com>
1485 * invoke.texi (generic): Document
1487 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1488 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1489 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1490 (x86_use_incdec, x86_pad_returns): New variables
1491 (TARGET_CPU_DEFAULT_generic): New constant
1492 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1493 (enum processor_type): Add generic32 and generic64.
1494 * i386.md (cpu attribute): Add generic32/generic64
1495 (movhi splitter): Behave sanely when both partial_reg_dependency and
1496 partial_reg_stall are set.
1497 (K8 splitters): Enable for generic as well.
1498 * predicates.md (incdec_operand): Use TARGET_INCDEC
1499 (aligned_operand): Avoid memory mismatch stalls.
1500 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1501 * ppro.md: Enable for generic32
1502 * i386.c (generic64_cost, generic32_cost): New.
1503 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1504 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1505 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1506 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1507 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1508 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1509 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1510 x86_accumulate_outgoing_args, x86_prologue_using_move,
1511 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1512 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1514 (x86_use_incdec, x86_pad_returns): New.
1515 (override_options): Add generic32 and generic64, translate "generic"
1516 to generic32/generic64 and "i686" to "generic32", refuse
1517 "generic32"/"generic64" as arch target.
1518 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1519 (ix86_reorg): Honor PAD_RETURNS.
1521 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1523 * tree-pretty-print.c (dump_generic_node): Handle
1524 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1525 * cgraph.c (cgraph_expand_queue): Rename from
1526 cgraph_analyze_queue. Update all users.
1527 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1528 cgraph_expand_queue.
1529 (cgraph_expand_all_functions): Likewise.
1530 (cgraph_finalize_pending_functions): Remove. Update callers.
1532 * tree.h (OMP_DIRECTIVE_P): Define.
1533 (OMP_PARALLEL_FN): Define.
1534 (OMP_PARALLEL_DATA_ARG): Define.
1535 (OMP_SECTIONS_SECTIONS): Define.
1536 * tree-pass.h (pass_expand_omp): Declare.
1537 * omp-low.c (struct omp_region): Declare.
1538 (struct omp_context): Remove fields 'parallel_type',
1539 'parallel_start_ix' and 'parallel_start_additional_args'.
1541 (struct omp_for_data): Rename from struct expand_omp_for_data.
1542 (omp_regions): New static variable.
1543 (root_omp_region): New static variable.
1544 (find_omp_clause): Make static.
1545 (is_in_combined_parallel_ctx): Remove.
1546 (is_combined_parallel): New.
1547 (extract_omp_for_data): Move earlier in the file.
1548 (workshare_safe_to_combine_p): New.
1549 (get_ws_args_for): New.
1550 (determine_parallel_type): Move earlier in the file.
1551 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1553 (omp_copy_decl): Likewise.
1554 (create_omp_child_function): Likewise.
1555 (lookup_omp_region): New.
1556 (dump_omp_region): New.
1557 (debug_omp_region): New.
1558 (debug_all_omp_regions): New.
1559 (new_omp_region): New.
1560 (scan_omp_parallel): If parallel_nesting_level > 1, the
1561 directive is nested within another parallel directive.
1562 Set OMP_PARALLEL_FN.
1563 (scan_omp_for): Do not try to handle combined parallel+for
1565 Remove FIXME comment.
1566 (scan_omp_nested): Remove.
1567 (scan_omp_1): Do not call scan_omp_nested when
1568 parallel_nesting_level is > 1.
1569 Do not change the DECL_CONTEXT of local variables found.
1570 (lookup_decl_in_outer_ctx): New.
1571 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1572 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1573 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1574 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1575 If CTX is nested, lookup VAR in the outer context when
1576 building copy assignment.
1577 (lower_send_clauses): Rename from expand_send_clauses.
1578 If CTX is nested, lookup VAR in the outer context when
1579 building copy assignments.
1580 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1581 If CTX is nested, lookup VAR in the outer context when
1582 building copy assignments.
1583 (expand_parallel_call): Rename from build_parallel_call.
1584 Handle combined parallel+workshare cases.
1585 Re-implement to emit code into the CFG.
1587 (expand_omp_parallel): Re-implement to emit code into the CFG.
1588 Call move_sese_region_to_fn to outline the sub-graph
1589 containing the parallel region.
1590 (expand_omp_for_1): Remove.
1591 (expand_omp_for_generic): Re-implement to emit code into the
1593 (expand_omp_for_static_nochunk): Likewise.
1594 (expand_omp_for_static_chunk): Likewise.
1595 (expand_omp_for): Likewise.
1596 (expand_omp_sections): Likewise.
1597 (remove_exit_barriers): New.
1598 (expand_omp_synch): New.
1600 (build_omp_regions_1): New.
1601 (build_omp_regions): New.
1602 (execute_expand_omp): New.
1603 (gate_expand_omp): New.
1604 (pass_expand_omp): Define.
1605 (lower_omp_sections): Rename from expand_omp_sections.
1606 Set OMP_SECTIONS_SECTIONS.
1607 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1608 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1609 (lower_omp_single): Rename from expand_omp_simple.
1610 (lower_omp_master): Rename from expand_omp_master.
1611 (lower_omp_ordered): Rename from expand_omp_ordered.
1612 (lower_omp_critical): Rename from expand_omp_critical.
1613 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1614 (lower_omp_for): Re-implement.
1615 (lower_omp_parallel): Re-implement.
1616 (lower_regimplify): Rename from expand_regimplify.
1617 (lower_omp_1): Rename from expand_omp_1.
1618 If there are syntax errors in the program, replace every
1619 OpenMP directive with NOP.
1620 Call lower_omp_* instead of expand_omp_*.
1621 (lower_omp): Rename from expand_omp.
1623 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1624 * tree-gimple.h (enum omp_parallel_type): Remove.
1625 (gimple_boolify): Declare extern.
1626 (find_omp_clause, determine_parallel_type): Remove.
1628 * gimple-low.c (lower_omp_directive): New.
1629 (lower_stmt): Call it.
1630 (record_vars_into): Move from ...
1631 (record_vars): ... here.
1632 Call record_vars_into with current_function_decl.
1634 * gimplify.c (struct gimplify_ctx): Remove fields
1635 combined_pre_p and combined_ctxp. Update users.
1636 (get_formal_tmp_var): Add documentation.
1637 (gimple_boolify): Make extern.
1638 (gimplify_expr_in_ctx): Remove. Update callers.
1639 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1640 will always be a BIND_EXPR.
1641 (gimplify_expr): Handle OMP_RETURN_EXPR.
1642 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1643 (OMP_PARALLEL): Add 3 operands.
1644 (OMP_SECTIONS): Add 1 operand.
1645 (OMP_RETURN_EXPR): Define.
1647 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1648 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1649 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1650 creating a circular free list.
1651 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1653 * tree-flow.h (move_sese_region_to_fn): Declare.
1654 (record_vars_into): Declare.
1655 * tree-cfg.c (make_omp_sections_edges): New.
1656 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1657 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1658 OMP_SECTIONS and OMP_SECTION.
1659 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1660 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1661 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1662 (gather_blocks_in_sese_region): New.
1663 (struct move_stmt_d): Declare.
1665 (move_block_to_fn): New.
1666 (move_sese_region_to_fn): New.
1668 * passes.c (init_optimization_passes): Schedule
1669 pass_expand_omp after pass_init_datastructures.
1671 * tree-ssa-operands.c (get_expr_operands): Handle
1672 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1673 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1675 2006-01-19 Jeff Law <law@redhat.com>
1677 * tree-vrp.c (extract_range_from_assert): Refine the result range
1678 if the variable referenced by the ASSERT_EXPR has a range and
1679 either the tentative result range or the previous range is a
1682 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1684 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1686 2006-01-19 Jan Hubicka <jh@suse.cz>
1688 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1690 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1692 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1693 (expand_compound_operation, expand_field_assignment): Fail if the
1694 bit lengths of an extract operation are out of range.
1695 (make_extraction): Compute wanted_inner_mode based on the position
1696 and length of the extraction. Make it extraction_mode for non-constant
1697 positions, and do not modify offset in that case. When generating a
1698 new MEM, use a mode that can hold the extraction while keeping correct
1699 alignment. Remove code that supported MEMs wrapped by USEs.
1700 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1702 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1704 * config/s390/s390.md ("Y", "y"): New mode attribute.
1705 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1706 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1707 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1708 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1709 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1710 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1711 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1712 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1713 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1714 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1715 "addsi3", "subsi3"): Insn patterns removed.
1716 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1717 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1718 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1719 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1720 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1721 "*sub<mode>3_cconly2"): New insn patterns.
1722 ("addsi3", "subsi3"): New expanders.
1724 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1726 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1727 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1728 existing STMT_VINFO_VECTYPE if available.
1729 (vect_mark_relevant): Add special handling for stmts that are
1730 marked as STMT_VINFO_IN_PATTERN_P.
1731 (vect_analyze_loop): Call vect_pattern_recog.
1732 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1733 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1735 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1736 (vect_recog_func_ptr): New function-pointer type.
1737 * tree-vect-patterns.c: New file.
1738 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1739 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1740 (vect_pattern_recog_1): New functions.
1741 (vect_pattern_recog_funcs): New array of function pointers.
1743 * tree-vectorizer.h (ternary_op): New enum value.
1744 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1745 declaration. Revised documentation. Removed redundant dump prints.
1746 Removed redundant argument. Added support for reduction patterns.
1747 (vectorizable_reduction): Added support for reduction patterns.
1748 (vect_transform_stmt): Added support for patterns.
1750 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1751 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1752 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1753 (expand_widen_pattern_expr): New function.
1754 (init_optabs): Initialize new optabs udot_prod_optab,
1756 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1757 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1758 (expand_widen_pattern_expr): New function declaration.
1759 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1761 * tree-inline.c (estimate_num_insns_1): Added cases for new
1762 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1763 * tree-pretty-print.c (dump_generic_node): Likewise.
1764 (op_prio): Likewise.
1765 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1766 * tree-ssa-operands.c (get_expr_operands): Added case for
1768 * tree-vect-patterns.c (widened_name_p): New function.
1769 (vect_recog_dot_prod_pattern): Added function implementation.
1770 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1771 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1772 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1773 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1775 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1776 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1777 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1778 (init_optabs): Initialize new optabs widen_ssum_optab,
1780 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1781 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1782 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1783 use instead of type of def.
1784 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1785 function implementation.
1786 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1787 widen_ssumv8hi): New.
1789 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1792 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1795 * c-decl.c (add_flexible_array_elts_to_size): New function.
1796 (finish_decl): Use it.
1798 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1800 * diagnostic.h: Include options.h.
1801 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1802 dependancies for diagnostic.h.
1803 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1805 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1807 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1808 (ssa_ro_call_cache_valid): Ditto.
1809 * tree-ssa-alias.c (sort_tags_by_id): New function.
1810 (init_transitive_clobber_worklist): Ditto.
1811 (add_to_worklist): Ditto.
1812 (mark_aliases_call_clobbered): Ditto.
1813 (compute_tag_properties): Ditto.
1814 (set_initial_properties): Ditto.
1815 (compute_call_clobbered): Ditto.
1816 (compute_may_aliases): Call compute_call_clobbered and grouping.
1817 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1818 (compute_flow_insensitive_aliasing): Grouping now happens in our
1820 (setup_pointers_and_addressables): Remove clobbering related code.
1821 (add_may_alias): Ditto.
1822 (replace_may_alias): Ditto.
1823 (get_nmt_for): Ditto.
1824 (create_global_var):
1825 (is_escape_site): Return an escape_type enumeration.
1826 * tree-flow-inline.h (is_call_clobbered): Global var does not
1827 imply call clobbered.
1828 (mark_call_clobbered): Take a reason for marking this. Remove
1829 marking of globalness, and cache invalidation.
1830 (clear_call_clobbered): Remove cache invalidation code.
1831 * tree-dfa.c (dump_variable): If details is on, dump the reason
1833 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1835 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1836 (struct var_ann_d): Ditto.
1837 (enum escape_type): New.
1838 (mark_call_clobbered): Adjust prototype.
1839 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1840 are never call clobbered.
1841 Record reasons for escaping.
1842 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1843 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1844 (ssa_ro_call_cache_valid): Ditto.
1845 (clobbered_v_may_defs): Ditto.
1846 (clobbered_vuses): Ditto.
1847 (ro_call_vuses): Ditto.
1848 (clobber_stats): New.
1849 (init_ssa_operands): Zero out clobber stats.
1850 (fini_ssa_operands): Print out clobber stats.
1851 (get_call_expr_operands): Pass callee fndecl to
1853 (add_call_clobber_ops): Remove use of cache.
1854 Add use of PURE_CONST information.
1855 (add_call_read_ops): Remove use of cache.
1856 Add use of static not_read information.
1858 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1860 Introduce TLS descriptors for i386 and x86_64.
1861 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1862 (TARGET_ANY_GNU_TLS): New macro.
1863 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1864 (struct machine_function): Add tls_descriptor_call_expanded_p.
1865 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1866 (ix86_current_function_calls_tls_descriptor): Likewise.
1867 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1868 (override_options): Introduce gnu2 tls dialect.
1869 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1871 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1873 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1874 (ix86_init_machine_status): Initialize new field.
1875 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1876 (ix86_tls_module_base): New.
1877 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1878 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1879 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1880 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1881 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1882 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1883 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1884 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1885 * config/i386/predicates.md (tls_modbase_operand): New.
1886 (tp_or_register_operand): New.
1888 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1890 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1891 (look_for_address_of): Ditto.
1892 (ipa_init): Walk the function decls.
1893 (static_execute): Don't set readonly on FUNCTION_DECL's.
1895 2006-01-18 Roger Sayle <roger@eyesopen.com>
1897 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1898 for shifts where the source and destination registers are different.
1900 2006-01-18 Paul Brook <paul@codesourcery.com>
1902 Merge from csl-arm-branch.
1903 2005-03-14 Julian Brown <julian@codesourcery.com>
1904 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1905 (aeabi_llsl): Likewise.
1906 (ashrdi3): Likewise.
1907 (aeabi_lasr): Likewise.
1908 (lshrdi3): Likewise.
1909 (aeabi_llsr): Likewise.
1910 2005-03-10 Julian Brown <julian@codesourcery.com>
1911 * config.gcc: Disable shared libgcc for SymbianOS.
1912 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1914 2006-01-18 DJ Delorie <dj@redhat.com>
1916 * c-pragma.c (handle_pragma_diagnostic): New.
1917 (init_pragma): Register it.
1918 * doc/extend.texi: Document it.
1920 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1921 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1922 (diagnostic_context): Add classify_diagnostic[].
1923 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1924 as errors if they're overridden to DK_WARNING.
1925 (diagnostic_initialize): Initialize classify_diagnostic[].
1926 (diagnostic_set_kind_override): New.
1927 (diagnostic_report_diagnostic): Check for kind changes.
1928 * opts.c (common_handle_option): Take lang_mask. Update callers.
1930 * common.opt (Werror=): New.
1931 * doc/invoke.texi: Document -Werror=*
1933 2006-01-18 Jeff Law <law@redhat.com>
1935 * tree-vrp.c (test_for_singularity): Correct test for new
1936 min limit. Use operand_equal_p rather than pointer equality
1937 for testing if new min/max values are equal.
1939 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1940 using range information until after propagation and folding.
1942 2006-01-18 Richard Henderson <rth@redhat.com>
1943 Aldy Hernandez <aldyh@redhat.com>
1944 Jakub Jelinek <jakub@redhat.com>
1945 Diego Novillo <dnovillo@redhat.com>
1947 * omp-low.c: New file.
1948 * c-omp.c: New file.
1950 2006-01-18 Richard Henderson <rth@redhat.com>
1951 Jakub Jelinek <jakub@redhat.com>
1952 Diego Novillo <dnovillo@redhat.com>
1954 * doc/invoke.texi: Document -fopenmp.
1955 * tree-dump.h (debug_function): Declare.
1956 * hooks.c (hook_bool_tree_bool_false): New function.
1957 (hook_tree_tree_null): Remove.
1958 (hook_tree_tree_tree_null): New.
1959 * hooks.h: Update to match.
1960 * tree-pretty-print.c (debug_tree_chain): New.
1961 (print_generic_expr): Handle TDF_CHAIN.
1962 (dump_generic_node): Handle BLOCK.
1963 Do not abort with incomplete SWITCH_EXPRs.
1964 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1965 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1966 print space after directive name.
1967 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1968 Handle OMP_MASTER and OMP_ORDERED.
1969 Handle printing of OMP_BODY just in one place, goto
1970 dump_omp_body in the rest of OMP_* nodes that have
1972 Don't handle clause nodes here. Update omp statements to
1973 use dump_omp_clauses.
1974 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1975 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1976 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1977 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1978 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1979 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1980 Adjust output for GOMP_PARALLEL.
1981 (dump_omp_clauses): New.
1982 (print_declaration): Dump DECL_VALUE_EXPR.
1983 (op_symbol_1): Split out of op_symbol.
1984 (dumping_stmts): Remove. Update all users.
1985 * cgraph.c (cgraph_analyze_queue): New.
1986 (cgraph_add_new_function): New.
1987 * cgraph.h (cgraph_analyze_queue): Declare.
1988 (cgraph_add_new_function): Declare.
1989 (cgraph_lower_function): Remove.
1990 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1991 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1992 and TYPE_P nodes in its default clause.
1993 (empty_body_p): New.
1994 (tree_range_check_failed): New.
1996 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1997 OMP_CLAUSE_REDUCTION_MERGE,
1998 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1999 OMP_CLAUSE_PRIVATE_DEBUG,
2000 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2001 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2002 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2003 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2004 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2005 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2006 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2007 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2008 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2009 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2010 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2011 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2012 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2013 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2014 (TREE_RANGE_CHECK): New.
2015 (empty_body_p): Declare.
2016 (enum omp_clause_default_kind): New.
2017 (build_string_literal): Declare.
2018 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2019 (build5_stat, build5): Declare.
2020 * tree-pass.h (TDF_CHAIN): Define.
2021 * tree-pass.h (PROP_gimple_lomp): Define.
2022 (pass_lower_omp): Declare.
2023 * diagnostic.h (debug_tree_chain): Declare.
2024 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2026 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2027 * builtins.c (build_string_literal): Make extern.
2028 * gcc.c (include_spec_function): New.
2029 (static_spec_functions): Add it.
2030 (main): Move load of libgomp.spec ...
2031 (LINK_COMMAND_SPEC): ... here.
2032 (link_gomp_spec): New.
2033 (static_specs): Include it.
2034 (LINK_COMMAND_SPEC): Add link_gomp.
2035 (GOMP_SELF_SPECS): New.
2036 (driver_self_specs): Include it.
2037 (switch_matches): Don't mark inline.
2038 (main): Load libgomp.spec.
2039 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2040 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2041 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2042 * tree-gimple.h (enum omp_parallel): Declare.
2043 (determine_parallel_type): Declare.
2044 (omp_firstprivatize_variable): Declare.
2045 (omp_reduction_init): Declare.
2046 (diagnose_omp_structured_block_errors): Declare.
2047 (struct walk_stmt_info): Add want_return_expr.
2048 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2049 (find_omp_clause): Declare.
2050 (insert_field_into_struct): Declare.
2051 (struct walk_stmt_info): Move from tree-nested.c
2052 (walk_stmts): Declare.
2053 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2055 * cgraphunit.c (cgraph_lower_function): Make static.
2056 (cgraph_finalize_pending_functions): New.
2057 (cgraph_finalize_function): Call it.
2058 (cgraph_finalize_compilation_unit): Likewise.
2059 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2060 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2061 (BT_FN_UINT_UINT): New.
2062 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2063 DEF_FUNCTION_TYPE_VAR_4): Document.
2064 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2065 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2066 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2067 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2068 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2069 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2070 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2071 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2072 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2073 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2074 into separate files.
2075 (DEF_GOMP_BUILTIN): New.
2076 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2077 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2078 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2079 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2080 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2081 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2082 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2083 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2084 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2085 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2086 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2087 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2088 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2089 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2090 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2091 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2092 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2093 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2094 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2095 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2096 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2097 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2098 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2099 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2100 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2101 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2102 * sync-builtins.def: New file, moved from builtins.def.
2103 * omp-builtins.def: New file, moved from builtins.def.
2104 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2105 * gimple-low.c (lower_function_body): Clear data.
2106 (lower_stmt): Do not handle COMPOUND_EXPR.
2107 Remove call to print_node_brief.
2108 * c-tree.h (c_finish_omp_clauses): New prototype.
2109 (C_DECL_THREADPRIVATE_P): Define.
2110 (lookup_name_no_remap, c_omp_remap_private): Remove
2111 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2112 (check_for_loop_decls): Update decl.
2113 (lookup_name_no_remap, c_omp_remap_private): Declare.
2114 (build_indirect_ref, build_modify_expr, pushdecl,
2115 pushdecl_top_level): Move to c-common.h.
2116 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2117 before the switch, but just in the 2 places that need it.
2118 * c-decl.c (diagnose_mismatched_decls): Do not check for
2119 mismatched thread-local attributes when OLDDECL is marked
2120 threadprivate and NEWDECL has no thread-local attributes.
2121 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2122 (c_gimple_diagnostics_recursively): Rename from
2123 c_warn_unused_result_recursively. Invoke
2124 diagnose_omp_structured_block_errors.
2125 (check_for_loop_decls): Return a singular decl found.
2126 * langhooks.c (lhd_omp_predetermined_sharing): Return
2127 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2128 (lhd_omp_firstprivatize_type_sizes): New.
2129 (lhd_omp_assignment): New.
2130 (lhd_omp_predetermined_sharing): New.
2131 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2132 (struct lang_hooks_for_types): Add
2133 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2134 omp_predetermined_sharing, omp_disregard_value_expr,
2135 omp_private_debug_clause, omp_clause_default_ctor,
2136 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2137 (c_finish_omp_clauses): New.
2138 (c_finish_bc_stmt): Diagnose break within omp for.
2139 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2140 (build_unary_op): Return error_mark after reporting
2142 (build_modify_expr): Likewise.
2143 * gimplify.c: Include optabs.h and pointer-set.h.
2144 (enum gimplify_omp_var_data): Declare.
2145 (struct gimplify_omp_ctx): Declare.
2146 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2148 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2149 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2150 (splay_tree_compare_decl_uid): New.
2151 (new_omp_context): New.
2152 (delete_omp_context): New.
2153 (gimple_add_tmp_var): Call omp_add_variable.
2154 (gimplify_bind_expr): Likewise.
2155 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2156 true, disregard DECL_VALUE_EXPR on the decl if any.
2157 (gimplify_expr_in_ctx): New.
2158 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2159 omp_add_variable, omp_notice_variable, omp_is_private
2160 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2161 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2162 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2163 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2164 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2165 gimplify_omp_atomic): New.
2166 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2167 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2168 OMP_CRITICAL and OMP_ATOMIC.
2169 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2170 * c-pragma.h (enum pragma_kind): Add
2171 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2172 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2173 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2174 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2175 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2176 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2177 PRAGMA_OMP_THREADPRIVATE.
2178 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2179 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2180 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2181 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2182 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2183 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2184 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2185 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2186 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2187 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2188 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2189 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2190 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2192 (struct nesting_info): Add field_map,
2193 suppress_expansion, debug_var_chain.
2194 (create_nesting_tree): Initialize them.
2195 (lookup_field_for_decl): Use field_map.
2196 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2197 (convert_local_omp_clauses): New.
2198 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2199 (walk_body): Split out of walk_function.
2200 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2201 (convert_nonlocal_reference): Handle omp statements.
2202 (convert_local_reference): Likewise.
2203 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2204 (unnest_nesting_tree): New.
2205 (lower_nested_functions): Call it.
2206 (insert_field_into_struct): Make extern.
2207 (struct walk_stmt_info): Move to tree-gimple.h.
2208 (walk_stmts): Make extern.
2209 * omp-builtins.def: New file.
2210 * tree-iterator.c (expr_only): Clarify comment.
2211 * c-common.h (pushdecl_top_level, pushdecl,
2212 build_modify_expr, build_indirect_ref,
2213 c_finish_omp_master, c_finish_omp_critical,
2214 c_finish_omp_ordered, c_finish_omp_barrier,
2215 c_finish_omp_atomic, c_finish_omp_flush,
2216 c_finish_omp_for, c_split_parallel_clauses,
2217 omp_clause_default_kind, c_omp_sharing_predetermined,
2218 c_omp_remap_decl): Declare.
2219 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2220 (OBJS-common): Add omp-low.o.
2221 (c-omp.o, omp-low.o): Add.
2222 (gimplify.o): Add dependency on $(OPTABS_H).
2223 (GTFILES): Add omp-low.c.
2224 (gt-stringpool.h): Add.
2225 * tree-cfg.c (set_bb_for_stmt): Do not update the
2226 block-to-labels map if we are currently expanding to RTL.
2227 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2229 Handle IDENTIFIER_NODE.
2230 (tree_verify_flow_info): Do not ICE when emitting error
2231 messages about invalid labels.
2232 (dump_function_to_file): Reset CFUN before emitting the body
2234 (debug_function): New.
2235 * passes.c (init_optimization_passes): Schedule
2237 * langhooks-def.h (lhd_omp_predetermined_sharing,
2238 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2240 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2241 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2242 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2243 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2244 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2245 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2246 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2247 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2248 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2249 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2250 (LANG_HOOK_DECLS): Use them.
2252 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2253 Richard Henderson <rth@redhat.com>
2254 Jakub Jelinek <jakub@redhat.com>
2255 Diego Novillo <dnovillo@redhat.com>
2257 * c-parser.c (pragma_omp_clause): Define.
2258 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2259 (c_parser_compound_statement): Likewise.
2260 (c_parser_statement): Likewise.
2261 (c_parser_pragma): Handle omp pragmas.
2262 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2263 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2264 (c_parser_omp_clause_name, check_no_duplicate_clause,
2265 c_parser_omp_variable_list,
2266 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2267 c_parser_omp_clause_copyprivate,
2268 c_parser_omp_clause_default,
2269 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2270 c_parser_omp_clause_lastprivate,
2271 c_parser_omp_clause_nowait,
2272 c_parser_omp_clause_num_threads,
2273 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2274 c_parser_omp_clause_reduction,
2275 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2276 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2277 c_parser_omp_atomic, c_parser_omp_barrier,
2278 c_parser_omp_critical, c_parser_omp_flush,
2279 c_parser_omp_for_loop, c_parser_omp_for,
2280 c_parser_omp_master, c_parser_omp_ordered,
2281 c_parser_omp_sections_scope, c_parser_omp_sections,
2282 c_parser_omp_parallel, c_parser_omp_single,
2283 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2284 * c-pragma.c (init_pragma): Do omp pragma registration here.
2285 * c.opt (fopenmp): New flag.
2287 2006-01-18 Eric Christopher <echristo@apple.com>
2289 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2290 * config/darwin.h (GOMP_SELF_SPECS): Define.
2292 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2294 * rtl.h: Remove the prototype for reg_alloc.
2296 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2299 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2300 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2301 sjlj and dwarf2 exception handling.
2302 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2303 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2304 * pa/pa.c (function_value): Treat complex and vector types as
2306 (function_arg): Likewise. Only pass scalar floats in the floating
2307 point argument registers.
2308 * pa/t-slibgcc-dwarf-ver: New file.
2309 * pa/t-slibgcc-sjlj-ver: New file.
2310 * pa/t-slibgcc-elf-ver: Delete file.
2312 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2314 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2315 unlikely_test_section_p test.
2317 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2319 * mode-switching.c (optimize_mode_switching): Make it static.
2320 * basic-block.h: Remove the prototype for
2321 optimize_mode_switching.
2323 * modulo-sched.c (sms_schedule): Make it static.
2324 * rtl.h: Remove the prototype for sms_schedule.
2326 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2327 * rtl.h: Remove the prototype for gcse_after_reload_main.
2329 * reg-stack.c (reg_to_stack): Make it static.
2330 * rtl.h: Remove the prototype for reg_to_stack.
2332 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2334 * rtl.h: Remove the prototypes for regrename_optimize and
2335 copyprop_hardreg_forward.
2337 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2339 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2340 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2341 Test against the appropriate null constant for the mode.
2342 If 'fixup_overlap' is true, swap the operands if they overlap.
2343 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2344 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2345 alpha_split_tmode_pair and adjust for above change.
2346 * config/alpha/alpha.md (movtf_internal): Adjust call to
2347 alpha_split_tfmode_pair and rely on it to swap the operands.
2348 (movti_internal): New insn and post-reload splitter.
2349 (movti): New expander.
2351 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2353 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2356 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2358 * rtlanal.c (global_reg_mentioned_p_1,
2359 global_reg_mentioned_p): Remove.
2360 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2362 * flow.c (initialize_uninitialized_subregs): Make it static.
2363 * rtl.h: Remove the prototype for
2364 initialize_uninitialized_subregs.
2366 * function.c (instantiate_virtual_regs): Make it static.
2367 * function.h: Remove the prototype for
2368 instantiate_virtual_regs.
2370 * regmove.c (regmove_optimize, combine_stack_adjustments):
2372 * rtl.h: Remove the prototypes for regmove_optimize and
2373 combine_stack_adjustments.
2375 2006-01-17 Roger Sayle <roger@eyesopen.com>
2377 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2378 (size_cost): Encode costs in bytes so that a reg-reg addition is
2379 equivalent to COSTS_N_INSNS(1).
2380 (override_options): Use the size_cost.branch_cost as the default
2381 ix86_branch_cost when optimizing for size.
2383 2006-01-18 Ben Elliston <bje@au.ibm.com>
2385 * Makefile.in (D32PBIT_FUNCS): New.
2386 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2387 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2388 D64PBIT_FUNCS and D128PBIT_FUNCS.
2389 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2390 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2392 (decnumber_dep): Define.
2393 * doc/libgcc.texi (Decimal float library routines): New node.
2394 * config/dfp-bit.h, config/dfp-bit.c: New files.
2396 2006-01-18 Ben Elliston <bje@au.ibm.com>
2398 * expr.c (emit_move_change_mode): Always adjust addresses, not
2399 just during reload. Copy replacements only during reload.
2400 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2401 emit_move_via_integer.
2403 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2405 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2406 instead of $(srcdir) and ${srcdir}.
2408 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2412 * arm.h (struct machine_function): Add pic_reg.
2413 * arm.c (arm_pic_register): Make unsigned.
2414 (arm_override_options): Only set arm_pic_register if
2415 TARGET_SINGLE_PIC_BASE.
2416 (use_return_insn): Only test for a pic register if it is fixed.
2417 (arm_compute_save_reg0_reg12_mask): Likewise.
2418 (thumb_compute_save_reg_mask): Likewise.
2419 (legitimate_pic_operand): Factor out some known invariants.
2420 (legitimize_pic_address): If we don't have a fixed pic register,
2421 then set up a pseudo in the function entry sequence. Handle the
2422 pic base being in a pseudo.
2423 (arm_load_pic_register): Handle the pic register being in a pseudo.
2424 (arm_expand_prologue): Only set up the pic register if it is fixed.
2425 (thumb_expand_prologue): Likewise.
2426 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2427 (pic_load_addr_based_insn): Likewise.
2428 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2431 2006-01-18 Ben Elliston <bje@au.ibm.com>
2433 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2434 decimal float modes for all floating point registers.
2436 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2437 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2439 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2442 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2443 even when the pointer is not NULL.
2445 2006-01-16 Ian Lance Taylor <ian@airs.com>
2447 * common.opt (ftoplevel-reorder): New option.
2448 * cgraph.c (cgraph_asm_nodes): New global variable.
2449 (cgraph_asm_last_node): New static variable.
2450 (cgraph_order): New global variable.
2451 (cgraph_create_node): Set new order field.
2452 (cgraph_varpool_node): Likewise.
2453 (decide_is_variable_needed): Return true if not
2454 flag_toplevel_reorder.
2455 (cgraph_add_asm_node): New function.
2456 * cgraph.h (struct cgraph_node): Add order field.
2457 (struct cgraph_varpool_node): Add order field.
2458 (struct cgraph_asm_node): Define.
2459 (cgraph_asm_nodes, cgraph_order): Declare.
2460 (cgraph_add_asm_node): Declare.
2461 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2463 (cgraph_varpool_assemble_pending_decls): Call it.
2464 (cgraph_output_pending_asms): New static function.
2465 (cgraph_finalize_compilation_unit): Call it.
2466 (struct cgraph_order_sort): Define.
2467 (cgraph_output_in_order): New static function.
2468 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2469 !flag_toplevel_reorder case.
2470 * c-parser.c: Include "cgraph.h".
2471 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2473 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2474 than -fno-unit-at-a-time.
2475 * doc/invoke.texi (Option Summary): Mention
2476 -fno-toplevel-reorder.
2477 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2478 -funit-at-a-time documentation.
2480 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2481 Kazu Hirata <kazu@codesourcery.com>
2483 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2485 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2487 * Makefile.in (FUNCTION_H): New. Use it instead of
2488 function.h throughout the file.
2489 * function.h: Include tree.h.
2491 2006-01-17 Ben Elliston <bje@au.ibm.com>
2493 * recog.c: Separate some functions with whitespace.
2495 2006-01-16 Richard Henderson <rth@redhat.com>
2497 Merge from gomp branch:
2498 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2499 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2500 and rename from struct inline_data. Rename callee* to dst*;
2501 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2502 transform_new_cfg, transform_return_to_modify, and
2503 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2505 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2506 (copy_decl_for_dup): Remove.
2507 * tree-inline.c (struct inline_data): Move to header.
2508 (insert_decl_map): Export.
2509 (remap_decl): Update for member name changes. Use copy_decl hook.
2510 Allow for replacement to be a non-decl. Remove dead code.
2511 (remap_type_1): Check for existing mapping.
2512 (remap_type): Export.
2513 (remap_decls): Update for member name changes.
2514 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2515 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2516 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2517 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2518 (tree_function_versioning, build_duplicate_type): Likewise.
2519 (copy_body_r): Likewise. Export.
2520 (copy_decl_for_dup): Split into ...
2521 (copy_decl_for_dup_finish, copy_decl_to_var,
2522 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2523 (replace_ref_tree, inlining_p): Remove.
2525 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2527 * ifcvt.c (if_convert): Make it static.
2528 * rtl.h: Remove the prototype for if_convert.
2530 * local-alloc.c (local_alloc): Make it static.
2531 * rtl.h: Remove the prototype for local_alloc.
2533 * loop.c (loop_optimize): Make it static.
2534 * cfgloop.h: Remove the prototype for loop_optimize.
2537 2006-01-16 DJ Delorie <dj@redhat.com>
2539 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2542 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2544 * pa.md: Disparage copies between general and floating-point registers
2545 in 32-bit move patterns.
2547 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2550 * Makefile.in (check-%): Depend on site.exp instead of
2551 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2554 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2556 * global.c (global_alloc): Make it static.
2557 * rtl.h: Remove the prototype for global_alloc.
2559 2006-01-16 Richard Guenther <rguenther@suse.de>
2561 * tree-ssa-alias.c (struct used_part): Add write_only field.
2562 (get_or_create_used_part_for): Initialize it to true.
2563 (create_overlap_variables_for): Don't create structure variables
2564 for structures that only are written to.
2565 (find_used_portions): Handle MODIFY_EXPR to track whether a
2566 structure is only written to.
2568 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2570 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2572 * basic-block.h: Remove the prototype for
2573 partition_hot_cold_basic_blocks.
2575 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2577 * cppspec.c (lang_specific_spec_functions): Remove.
2578 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2579 * gcc.h (lang_specific_spec_functions): Remove.
2580 * gccspec.c (lang_specific_spec_functions): Remove.
2582 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2584 * combine.c (record_value_for_reg): Invalidate registers
2586 (record_dead_and_set_regs_1): Likewise, by passing them to
2587 record_value_for_reg.
2588 (record_dead_and_set_regs): Invalidate stores made by a
2589 call. We do not combine across a call, but we still
2590 relied on equivalences.
2592 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2594 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2595 vrp_int_const_binop returning non-constant nodes.
2597 2006-01-16 Paul Brook <paul@codesourcery.com>
2599 * config/m68k/m68k.c (output_move_const_into_data_reg):
2600 Output correct mnemonic for mvz and mvs.
2602 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2604 * rtl-factoring.c: Add sequence abstraction algorithm.
2605 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2606 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2608 (block_has_preserve_label): New function.
2609 * common.opt: Register new pass.
2610 * Makefile.in: Ditto.
2612 * timevar.def: Ditto.
2613 * tree-pass.h: Ditto.
2614 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2615 * rtl.h (make_jump_insn_raw): Add forward decl.
2616 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2618 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2619 Roger Sayle <roger@eyesopen.com>
2621 * fold-const.c (fold_minmax): New static function.
2622 (fold_binary) <MIN_EXPR>: Call it.
2623 <MAX_EXPR>: Likewise.
2624 * stor-layout.c (place_field): Use DECL_SIZE consistently
2625 in the computation of the new record size.
2627 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2629 * cse.c (cse_condition_code_reg): Make it static.
2630 * rtl.h: Remove the prototype for cse_condition_code_reg.
2632 * combine.c (combine_instructions): Make it static.
2633 * rtl.h: Remove the prototype for combine_instructions.
2635 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2638 * tree.c (get_file_function_name_long): Concatenate the first global
2639 object name with a string derived from the input filename of the object
2642 2006-01-16 Ben Elliston <bje@au.ibm.com>
2644 * config/i386/winnt-stubs.c: Update FSF address.
2645 * config/xtensa/ieee754-df.S: Ditto.
2646 * config/xtensa/ieee754-sf.S: Ditto.
2648 2006-01-14 Ian Lance Taylor <ian@airs.com>
2650 * ifcvt.c (noce_init_if_info): New static function, broken out of
2651 noce_process_if_block.
2652 (noce_process_if_block): Call noce_init_if_info.
2653 (check_cond_move_block): New static function.
2654 (cond_move_process_if_block): New static function.
2655 (process_if_block): Call cond_move_process_if_block.
2657 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2659 * cselib.c (hash_table): Rename to cselib_hash_table.
2660 (cselib_clear_table, discard_useless_values,
2661 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2662 cselib_init, cselib_finish): Adjust uses of hash_table.
2664 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2666 PR tree-optimization/25485
2667 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2668 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2669 is known to be false and true, respectively.
2671 2006-01-14 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/22548
2674 PR tree-optimization/22555
2675 PR tree-optimization/22501
2676 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2677 * params.def (salias-max-array-elements): New parameter.
2678 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2679 * doc/invoke.texi (salias-max-array-elements): Document.
2680 * tree-flow-inline.h (var_can_have_subvars): We also handle
2682 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2684 * tree-ssa-structalias.c (params.h): Include.
2685 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2686 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2687 (get_constraint_for): For ADDR_EXPR operating on something
2688 containing an ARRAY_REF, add all subvars to the solution.
2689 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2690 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2691 for creating MUST_DEFs.
2692 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2694 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2696 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2698 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2699 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2700 number_of_iterations_le): New functions.
2701 (number_of_iterations_special): Removed.
2702 (number_of_iterations_exit): Do not use number_of_iterations_special.
2703 * tree.c (unsigned_type_for): Always return integer type.
2705 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2706 Richard Guenther <rguenther@suse.de>
2708 PR rtl-optimization/24257
2709 * gcse.c (find_moveable_store): Only consider a store movable
2710 when the SET_SRC of the insn can be assigned to a register.
2712 2006-01-14 Ian Lance Taylor <ian@airs.com>
2714 * tree.c (tree_not_class_check_failed): New function.
2715 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2716 (tree_not_class_check_failed): Declare.
2718 2006-01-13 Ian Lance Taylor <ian@airs.com>
2720 * reload1.c (do_output_reload): Add assertion rejecting a
2723 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2725 * combine.c (struct reg_stat): Add new fields truncation_label and
2727 (record_value_for_reg): Reset truncated_to_mode.
2728 (record_truncated_value): New function.
2729 (check_promoted_subreg): Call it. Rename to check_conversions.
2730 (combine_instructions): Rename check_promoted_subreg to
2732 (reg_truncated_to_mode): New function.
2733 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2734 (gen_lowpart_or_truncate): New function.
2735 (force_to_mode): Use it instead of gen_lowpart.
2737 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2739 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2740 VAR is a tag, not its type tag.
2742 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2744 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2745 alternatives to match style of other entries.
2746 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2748 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2750 PR tree-optimization/25771
2751 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2754 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2757 * tree-inline.c (declare_return_variable): If the return variable
2758 was marked as a non gimple complex, set the return slot variable
2759 to be a non gimple comple variable.
2761 2006-01-13 Richard Guenther <rguenther@suse.de>
2763 * builtins.c (expand_builtin_sincos): New function.
2764 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2766 (expand_builtin): Expand sincos using expand_builtin_sincos.
2768 2006-01-12 DJ Delorie <dj@redhat.com>
2770 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2771 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2772 so that constant shifts can be split.
2773 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2774 (m32c_valid_pointer_mode): Make static.
2775 (shift_gen_func_for): New.
2776 (m32c_prepare_shift): Use it. Split large const shifts into
2778 * config/m32c/predicates.md (shiftcount_operand): Allow more
2780 (longshiftcount_operand): New.
2781 * doc/md.texi (Machine Constraints): Document In6.
2783 2006-01-13 Ben Elliston <bje@au.ibm.com>
2785 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2786 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2789 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2791 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2792 to try to avoid clobbering pieces of structures when we know
2793 something about the whole structure.
2794 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2796 2006-01-13 Ben Elliston <bje@au.ibm.com>
2798 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2799 return in memory, as this is no limitation is no longer present.
2801 2006-01-12 DJ Delorie <dj@redhat.com>
2803 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2804 mova with fb, and for fb+0 -> An.
2806 * config/m32c/mov.md (peephole2): Fix enabling logic.
2808 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2809 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2810 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2811 FINI_ARRAY_SECTION_ASM_OP): Define.
2813 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2815 (m32c_legitimize_reload_address): New logic to reload FB to An.
2816 (m32c_output_reg_push): Add newline.
2817 (m32c_output_reg_pop): Likewise.
2819 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2821 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2823 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2825 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2827 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2829 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2832 2006-01-11 Ben Elliston <bje@au.ibm.com>
2834 * rtlanal.c (find_reg_note): Assert insn is not null.
2836 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2838 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2841 2006-01-11 Jeff Law <law@redhat.com>
2843 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2845 (mark_threaded_blocks, register_jump_thread): New functions.
2846 (thread_through_all_blocks): Remove unwanted argument. No
2847 longer rely on e->aux to communicate thread target info.
2848 Call mark_threaded_blocks. Release the threaded_blocks
2849 bitmap and threaded_edges vector when complete.
2850 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2851 (threaded_blocks): Remove.
2852 (tree_ssa_dominator_optimize): Remove initialization and
2853 finalization of threaded_blocks. Simplify call to
2854 thread_through_all_blocks.
2855 (thread_across_edge): Call register_jump_thread rather than
2856 storing thread information into e->aux.
2857 (free_all_edge_infos): Simplify now that e->aux is no longer
2858 used to communicate with thread_through_all_blocks.
2859 * tree-flow.h (thread_through_all_blocks): Update prototype.
2860 (register_jump_thread): Prototype.
2862 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2864 * df-core.c (df_compact_blocks, df_bb_replace): Use
2865 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2867 2006-01-11 Richard Guenther <rguenther@suse.de>
2869 PR tree-optimization/25734
2870 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2871 stop propagation after successful propagation to the LHS.
2873 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2875 * basic-block.h (control_flow_graph): Change the type of
2876 x_basic_block_info to VEC(basic_block,gc) *.
2877 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2879 (SET_BASIC_BLOCK): New.
2880 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2881 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2882 * cfgbuild.c (find_basic_blocks): Likewise.
2883 * cfglayout.c (fixup_reorder_chain): Likewise.
2884 * cfgrtl.c (create_basic_block_structure,
2885 rtl_create_basic_block): Likewise.
2886 * ifcvt.c (find_if_case_1): Likewise.
2887 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2890 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2892 * Makefile.in: Removed rotted odf.c entry.
2894 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2897 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2898 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2899 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2900 output pattern modifier, not %e.
2901 * config/cris/cris.c (cris_op_str): Update comment about pattern
2903 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2904 before falling through into...
2905 <case 'E'>: Redefined from old 'e' case.
2907 2006-01-11 Jan Hubicka <jh@suse.cz>
2910 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2912 2006-01-11 Jan Hubicka <jh@suse.cz>
2914 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2915 * i386.c (x86_decompose_lea): Kill.
2916 (ix86_rtx_costs): Kill.
2918 2006-01-11 Jan Hubicka <jh@suse.cz>
2920 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2921 * cgraph.h (cgraph_node): Add inline_decl.
2922 (cgraph_insert_node_to_hashtable): Declare.
2923 (save_inline_function_body): Declare.
2924 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2926 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2927 (cgraph_function_versioning): Update call of tree_function_versioning.
2928 (save_inline_function_body): New function.
2929 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2930 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2931 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2932 (cgraph_default_inline_p): Likewise.
2933 (cgraph_decide_inlining_incrementally): Likewise.
2934 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2935 (copy_bb): Kill saving; do updating of clones.
2936 (copy_cfg_body): Kill saving.
2937 (initialize_inlined-parameters): Likewise.
2938 (expand_call_inline): Likewise.
2940 (tree_function_versioning): New parameter "update_clones".
2941 (inlining_p): Kill saving.
2942 * tree-inline.h (tree_function_versioning): Update prototype.
2943 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2946 2006-01-11 Ian Lance Taylor <ian@airs.com>
2948 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2949 Allow undoing set of machine mode.
2950 (do_SUBST): Use enums instead of is_int.
2951 (do_SUBST_MODE): New function.
2952 (SUBST_MODE): New macro.
2953 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2954 reg and trying to replace reg_regno_rtx with a new register.
2955 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2956 (simplify_set): Use SUBST_MODE.
2957 (distribute_notes): Remove code that tried to update reg notes
2958 for regno_reg_rtx changes.
2960 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2962 PR tree-optimization/23109
2963 PR tree-optimization/23948
2964 PR tree-optimization/24123
2966 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2967 * tree-cfg.c (single_noncomplex_succ): New.
2968 * tree-flow.h (single_noncomplex_succ): Declare it.
2969 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2970 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2971 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2972 insert_bb, register_division_in, insert_reciprocals,
2973 replace_reciprocal, free_bb): New.
2974 (execute_cse_reciprocals_1): Rewritten.
2975 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2976 Do not commit any edge insertion. Always compute dominators and
2977 create the allocation pool.
2978 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2979 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2980 * targhooks.c (default_min_divistions_for_recip_mul): New.
2981 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2982 * passes.c (init_optimization_passes): Run recip after tree loop
2984 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2986 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2987 Kenneth Zadeck <zadeck@naturalbridge.com>
2989 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2990 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2991 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2992 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2993 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2994 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2995 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2996 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2997 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2998 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2999 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3000 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3001 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3002 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3003 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3004 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3005 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3006 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3007 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3008 DF_SCAN_POST_ALLOC): New macros.
3009 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3010 df_free_bb_function, df_local_compute_function, df_init_function,
3011 df_dataflow_function, df_confluence_function_0,
3012 df_confluence_function_n, df_transfer_function,
3013 df_finalizer_function, df_free_function, df_dump_problem_function,
3014 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3015 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3016 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3017 df_urec_bb_info, ) New types.
3018 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3020 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3021 df_analyze_simple_change_some_blocks,
3022 df_analyze_simple_change_one_block, df_compact_blocks,
3023 df_bb_replace, df_bb_regno_last_use_find,
3024 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3025 df_insn_regno_def_p, df_find_def, df_find_use,
3026 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3027 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3028 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3029 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3030 debug_df_chain, df_get_dependent_problem, df_chain_create,
3031 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3032 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3033 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3034 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3035 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3036 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3037 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3038 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3039 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3040 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3041 df_reorganize_refs, df_set_state, df_hard_reg_init,
3042 df_read_modify_subreg_p) New public functions.
3043 * df-core.c: The core dataflow solver and glue routines for rtl
3045 (df_init, df_add_problem, df_set_blocks, df_finish,
3046 df_hybrid_search_forward, df_hybrid_search_backward,
3047 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3048 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3049 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3050 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3051 df_reg_defined, df_find_use, df_reg_used, df_dump,
3052 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3053 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3054 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3055 debug_df_useno, reset_df_after_reload): New functions.
3056 * df-scan.c: The scanning fuctions, once in df.c, completely
3057 rewritten so that they now fully model the functionality of
3058 register usage at the backend.
3059 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3060 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3061 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3062 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3063 df_get_artificial_defs, df_get_artificial_uses,
3064 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3065 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3066 df_refs_delete, df_reorganize_refs, df_set_state,
3067 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3068 df_def_record_1, df_defs_record, df_uses_record,
3069 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3070 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3071 df_record_exit_block_uses, df_hard_reg_init): New functions.
3073 * df-problems.c: Seven concrete dataflow problems that use the
3074 scanning in df-scan.c and are solved by the engine in df-core.c.
3075 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3076 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3077 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3078 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3079 df_ru_free_bb_info, df_ru_alloc,
3080 df_ru_bb_local_compute_process_def,
3081 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3082 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3083 df_ru_transfer_function, df_ru_free, df_ru_dump,
3084 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3085 df_rd_free_bb_info, df_rd_alloc,
3086 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3087 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3088 df_rd_transfer_function, df_rd_free, df_rd_dump,
3089 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3090 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3091 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3092 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3093 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3094 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3095 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3096 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3097 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3098 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3099 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3100 df_urec_mark_reg_use_for_earlyclobber,
3101 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3102 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3103 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3104 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3105 df_chain_create_bb_process_use, df_chain_create_bb,
3106 df_chain_finalize, df_chain_free, df_chains_dump,
3107 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3108 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3109 df_reg_lifetime): New functions.
3110 * df.c: Deleted file.
3111 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3112 consistent with new df api.
3113 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3114 rest_of_handle_sms): Ditto.
3115 * web.c (unionfind_union, union_defs, entry_register, web_main):
3117 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3118 invariant_expr_equal_p, find_defs, check_dependencies,
3119 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3120 free_inv_motion_data, move_loop_invariants): Ditto.
3121 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3122 Update dependencies.
3123 (odf.c): Added defective entry that was deleted later in day.
3124 * sched-deps.c (sched_analyze_1): Ditto.
3126 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3128 * tree-ssa-operands.c (get_expr_operands): Record addressable
3129 variables directly. Do not call add_stmt_operands for CONST_DECLs
3131 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3132 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3134 2006-01-11 Ben Elliston <bje@au.ibm.com>
3136 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3137 function returns true in the positive case.
3139 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3142 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3143 for SI, DI, SF and DF modes. Add alternatives to copy between
3144 general and floating point registers to the 32-bit patterns.
3145 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3146 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3147 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3148 generating 64-bit code.
3149 * config/pa/pa.c (output_move_double): Handle copies between general
3150 and floating registers.
3152 2006-01-10 Stuart Hastings <stuart@apple.com>
3154 * config/i386/i386.md (set_got): Update.
3155 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3156 (builtin_setjmp_receiver): Mach-O support.
3157 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3158 (GOT_SYMBOL_NAME): Define.
3159 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3160 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3161 * config/i386/i386.c (override_options): Revise for Darwin.
3162 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3163 support. (darwin_x86_file_end): New. (output_set_got): Add label
3164 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3165 * config/i386/i386-protos.h (output_set_got): Likewise.
3166 * config/darwin.c (machopic_legitimize_pic_address): Update
3169 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3171 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3172 when MODE isn't BLKmode.
3174 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3176 PR rtl-optimization/25367
3177 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3179 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3182 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3183 for a negative bound.
3185 2006-01-10 Richard Guenther <rguenther@suse.de>
3187 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3188 Never override with anything constraint.
3190 2006-01-10 Jan Beulich <jbeulich@novell.com>
3192 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3193 256 bits when optimize_size.
3195 2006-01-10 Jan Beulich <jbeulich@novell.com>
3197 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3199 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3200 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3203 2006-01-10 Ben Elliston <bje@au.ibm.com>
3205 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3207 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3208 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3209 (USE_FP_FOR_ARG): Reject decimal float modes.
3210 (function_arg_advance): Likewise.
3211 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3212 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3213 point types in AltiVec vectors.
3214 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3215 (rs6000_libcall_value): Likewise.
3217 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3219 * config/xtensa/ieee754-df.S: New file.
3220 * config/xtensa/ieee754-sf.S: New file.
3221 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3222 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3223 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3225 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3227 * config/sh/predicates.md (binary_float_operator,
3228 binary_logical_operator, commutative_float_operator,
3229 equality_comparison_operator, greater_comparison_operator,
3230 less_comparison_operator, logical_operator,
3231 noncommutative_float_operator, shift_operator,
3232 symbol_ref_operand, unary_float_operator): Remove redundant
3235 2006-01-09 Jeff Law <law@redhat.com>
3237 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3238 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3239 now unused arguments. Callers updated.
3240 (eliminate_redundant_computations): Remove now unused arguments,
3242 (local_fold): Remove, no longer used.
3243 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3245 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3246 (simplify_cond): New function.
3247 (forward_propagate_into_cond): Call simplify_cond.
3249 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3251 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3252 (*vec_extractv2di_1_sse): New.
3254 2006-01-09 Ben Elliston <bje@au.ibm.com>
3256 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3258 2006-01-08 Richard Guenther <rguenther@suse.de>
3260 * tree-ssa-structalias.c (get_constraint_for): Remove
3262 (get_constraint_for_component_ref): Likewise.
3263 (do_deref): Likewise.
3264 (get_constraint_for): Likewise.
3265 (do_structure_copy): Likewise.
3266 (handle_ptr_arith): Likewise.
3267 (find_func_aliases): Likewise. Remove unused need_anyoffset
3270 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3271 Kaz Kojima <kkojima@gcc.gnu.org>
3273 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3274 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3275 (EXTRA_CONSTRAINT_C16): Remove.
3276 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3277 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3278 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3279 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3280 constants of SHmedia. Handle nested constant expressions of
3282 (andcosts): Fix the costs for SHmedia constants.
3283 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3284 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3285 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3286 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3287 (movv4hi_i, movv2si_i): Likewise.
3288 (movsi_const): Adjust the second operand of ior so to match with
3290 (movdi_const, movdi_const_32bit): Likewise.
3291 (movdi_const_16bit+1): Don't sign-extend LOW.
3292 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3294 (*double_shori): Fix the split condition. Use GEN_INT instead
3295 of get_int_mode calls. Mask lower 16-bit of the argument of
3297 (sym2GOTPLT): Remove.
3298 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3300 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3301 instead of EXTRA_CONSTRAINT_C16.
3303 2006-01-07 Ian Lance Taylor <ian@airs.com>
3304 David Edelsohn <edelsohn@gnu.org>
3306 PR rtl-optimization/25662
3307 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3308 for constant operands instead of simplify_gen_binary.
3309 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3310 after trying simplify_binary_operation
3312 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3314 * tree.c (iterative_hash_expr): Hash decls based on UID.
3316 2006-01-06 Eric Christopher <echristo@apple.com>
3318 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3319 (TARGET_UNWIND_EMIT): Fix spelling.
3320 * target.h (gcc_target): Add except_table_label.
3321 * except.c (output_function_exception_table): Use.
3322 * varasm.c (default_emit_except_table_label): New.
3323 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3325 (asm_out): Add here.
3326 * output.h (default_emit_except_table_label): Prototype.
3327 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3328 * config/darwin.c (darwin_emit_except_table_label): Define.
3329 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3331 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3333 PR tree-optimization/18527
3334 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3335 number_of_iterations_special, number_of_iterations_exit):
3336 Move base and step of an iv to a single structure. Add
3337 no_overflow flag, and use it in # of iterations analysis.
3338 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3339 folded_casts argument.
3340 (simple_iv): Pass base and step in a structure. Set no_overflow
3342 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3343 Evaluate expensiveness of computing # of iterations instead of
3344 the final expression.
3345 * tree-scalar-evolution.h (affine_iv): New structure.
3346 (simple_iv): Declaration changed.
3347 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3348 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3349 find_givs_in_stmt): Changed due to simple_iv change.
3351 2006-01-06 Jeff Law <law@redhat.com>
3354 * tree-cfg.c (bsi_replace): Rename final argument from
3355 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3356 change (stmt -> orig_stmt).
3357 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3358 (bsi_remove): Add new argument. Remove EH information
3360 (verify_eh_throw_table_statements): New function.
3361 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3363 * tree-optimize.c (execute_free_cfg_annotations): Verify
3364 the EH throw statement table after removing annotations.
3365 * except.h (verify_eh_throw_table_statements): Prototype.
3366 * tree-flow.h (bsi_remove): Update prototype.
3367 * tree-vrp.c (remove_range_assertions): Add new argument to
3369 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3370 * tree-complex.c (expand_complex_div_wide): Likewise.
3371 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3372 * tree-tailcall.c (eliminate_tailcall): Likewise.
3373 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3374 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3375 * tree-nrv.c (tree_nrv): Likewise.
3376 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3377 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3378 (combine_blocks): Likewise.
3379 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3380 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3381 (cleanup_control_flow): Likewise.
3382 (remove_forwarder_block): Likewise.
3383 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3384 * tree-sra.c (sra_replace): Likewise.
3385 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3386 (forward_propagate_single_use_vars): Likewise.
3387 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3388 * tree-inline.c (expand_call_inline): Likewise.
3389 * tree-vect-transform.c (vect_transform_loop): Likewise.
3390 * tree-outof-ssa.c (rewrite_trees): Likewise.
3391 * tree-cfg.c (make_goto_expr_edges): Likewise.
3392 (cleanup_dead_labels): Likewise.
3393 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3394 (bsi_move_before, bsi_move_after): Likewise.
3395 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3396 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3398 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3401 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3403 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3404 on non gimple variables. Also add checks at the top for decls and
3406 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3408 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3409 and IMAGPART_EXPR for creating MUST_DEFs.
3410 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3411 and NAME_MEMORY_TAG separately from the DECLs.
3413 2006-01-06 Richard Guenther <rguenther@suse.de>
3415 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3416 annotation, if necessary.
3417 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3418 redundant calls to update_stmt.
3419 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3422 2006-01-05 Richard Henderson <rth@redhat.com>
3424 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3426 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3428 * c-typeck.c: Update copyright date.
3430 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3432 * c-typeck.c (build_c_cast): Always warn when casting
3433 from a pointer to an integer of different size, even if
3434 the node was constant.
3436 2006-01-05 Richard Guenther <rguenther@suse.de>
3438 PR tree-optimization/22555
3439 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3440 if one structure field is an array.
3441 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3442 operands even if we found a subvar, but ignore VOPs in this
3444 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3446 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3448 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3451 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3453 2006-01-05 Richard Guenther <rguenther@suse.de>
3454 Diego Novillo <dnovillo@redhat.com>
3456 * tree-pass.h (TODO_remove_unused_locals): Define.
3457 * gimple-low.c (expand_var_p, remove_useless_vars,
3458 pass_remove_useless_vars): Remove. Update all users.
3459 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3460 (remove_unused_locals): New function.
3461 * tree-flow.h (remove_unused_locals): Declare.
3462 * passes.c (execute_todo): Call remove_unused_locals if
3463 TODO_remove_unused_locals is set.
3464 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3465 * tree-ssa-dce.c (pass_dce): Likewise.
3466 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3468 2006-01-05 Richard Guenther <rguenther@suse.de>
3470 * tree-flow.h (struct fieldoff): Decompose field to
3471 type, size and decl.
3472 * tree-ssa-alias.c (create_sft): Take type as parameter.
3473 (create_overlap_variables_for): Store type, size and decl
3474 in the fieldoff structure.
3475 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3477 (push_fields_onto_fieldstack): Likewise.
3478 (create_variable_info_for): Likewise. Use offset for the
3479 SFT name if the decl is not available.
3481 2006-01-04 Paul Brook <paul@codesourcery.com>
3483 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3485 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3487 * lambda-code.c (can_put_in_inner_loop): Relax
3489 (can_put_after_inner_loop): New function.
3490 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3491 (perfect_nestify): Change to make copies and modify uses.
3493 2006-01-04 Richard Henderson <rth@redhat.com>
3495 Merge from gomp branch:
3496 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3497 via integer constant.
3498 (pragma_lex): Remove.
3499 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3500 rather than parsing it.
3501 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3502 handle_pragma_extern_prefix): Add %< %> quotes.
3503 (registered_pragmas): New.
3504 (c_register_pragma_1): New.
3505 (c_register_pragma): Use it.
3506 (c_register_pragma_with_expansion): Likewise.
3507 (c_invoke_pragma_handler): New.
3508 (init_pragma): Use cpp_register_deferred_pragma directly for
3510 * c-pragma.h (enum pragma_kind): New.
3511 (pragma_handler): New.
3512 (c_invoke_pragma_handler): Declare.
3513 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3515 * c-common.h (c_common_pch_pragma): Update decl.
3516 * Makefile.in (c-parser.o): Update dependencies.
3517 (GTFILES): Add c-pragma.h.
3518 * c-parser.c (struct c_token): Add pragma_kind.
3519 (struct c_parser): Add in_pragma.
3520 (c_lex_one_token): Always initialize keyword and pragma_kind.
3521 Extract data for CPP_PRAGMA.
3522 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3523 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3524 Don't allow CPP_PRAGMA_EOL if in_pragma.
3525 (c_parser_consume_pragma): New.
3526 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3527 (c_parser_skip_to_end_of_parameter): Likewise.
3528 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3529 (c_parser_skip_to_pragma_eol): New.
3530 (c_parser_external_declaration): Handle CPP_PRAGMA.
3531 (c_parser_compound_statement_nostart): Likewise.
3532 (c_parser_statement_after_labels): Likewise.
3533 (c_parser_pragma): New.
3534 (pragma_lex): Likewise.
3535 (c_parser_pragma_pch_preprocess): New.
3536 (c_parser_new): Merge into ...
3537 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3539 2006-01-04 Jeff Law <law@redhat.com>
3542 * tree-cfg.c (bsi_replace): Remove the original statement
3543 from the EH throw statement table.
3545 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3547 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3548 make the prototype extern "C" and add throw ().
3551 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3552 and pos non-negative and pos + len <= 32.
3553 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3554 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3555 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3558 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3559 as well as sizes not multiple of component size.
3562 * function.c (instantiate_expr): New function.
3563 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3564 walk its DECL_VALUE_EXPR with instantiate_expr.
3566 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3567 DW_OP_deref{,_size} if address isn't going to be added.
3569 2006-01-04 Ben Elliston <bje@au.ibm.com>
3571 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3572 * config/fp-bit.c: Likewise.
3574 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3576 * dominance.c: Add comment about why we use DFS numbering
3579 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3580 Richard Henderson <rth@redhat.com>
3582 Merge from gomp-branch:
3583 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3584 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3586 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3588 PR rtl-optimization/25578
3589 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3590 pass a parameter to simplify_shift_const if changing ASHIFTRT
3593 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3595 * builtins.c (get_builtin_sync_mem): New function.
3596 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3597 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3598 Call get_builtin_sync_mem to generate mem rtx.
3600 2006-01-03 Richard Guenther <rguenther@suse.de>
3603 * stmt.c (add_case_node): Make sure to clear overflow flags
3606 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3608 Merge from gomp-branch.
3609 * config/sparc/sync.md: New file.
3610 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3611 UNSPECV_LDSTUB): New constants.
3612 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3613 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3614 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3617 2006-01-03 Roger Sayle <roger@eyesopen.com>
3619 * combine.c (reg_subword_p): New predicate to test whether the
3620 destination of a set refers to a subword/piece of a register.
3621 (try_combine): Generalize the code to merge the setting of a
3622 pseudo to a constant followed by a set of a subword of that
3623 register to a constant.
3625 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3627 * basic-block.h (control_flow_graph): Change the type of
3628 x_label_to_block_map to VEC(basic_block,gc) *.
3629 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3630 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3632 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3633 VEC(basic_block,heap) *.
3634 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3635 ssa_prop_fini): Adjust the uses of cfg_blocks.
3637 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3639 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3641 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3642 hashing trees instead of a pointer hash.
3643 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3644 compare for MEM_EXPR.
3646 PR rtl-optimization/25130
3647 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3648 when comparing MEMs for GCSE
3650 2006-01-03 Ben Elliston <bje@au.ibm.com>
3652 * targhooks.h (default_decimal_float_supported_p): Declare.
3653 * targhooks.c (default_decimal_float_supported_p): Define.
3654 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3655 `default_decimal_float_supported_p'.
3656 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3658 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3660 * combine.c (apply_distributive_law <SUBREG>): Check
3661 TRULY_NOOP_TRUNCATION.
3663 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3665 * dwarf2out.c (have_switched_text_section): Delete.
3666 (have_multiple_function_sections): New.
3667 (have_location_lists): Make 'bool'.
3668 (add_AT_loc_list): Use 'true' not '1'.
3669 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3670 (output_loc_list): Use have_multiple_function_sections.
3671 (output_ranges): Likewise.
3672 (dwarf2out_begin_function): Set have_multiple_function_sections if
3674 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3675 Check function_section rather than DECL_SECTION_NAME.
3676 (dwarf2out_finish): Use have_multiple_function_sections.
3677 Don't clear have_location_lists.
3679 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3680 Jan Hubicka <jh@suse.cz>
3682 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3683 case of conditional jump jumping to the next instruction.
3684 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3685 cases of conditional jump jumping to the next instruction.
3687 2006-01-02 Jan Hubicka <jh@suse.cz>
3689 * i386.c (*_cost): Add COSTS_N_INSNS.
3690 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3692 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3695 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3697 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3699 * config/arm/arm.c (all_fpus): Fix comment typo.
3700 * config/darwin.c: Likewise.
3701 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3702 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3703 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3705 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3707 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3708 (rs6000_split_compare_and_swapqhi): New.
3709 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3710 (sync_compare_and_swapqhi_internal): New.
3711 * config/rs6000/rs6000-protos.h: Declare.