1 2006-02-01 Jan Hubicka <jh@suse.cz>
3 * opts.c (no_unit_at_a_time_default): New global variable.
4 (decode_options): Use it.
5 * opts.h (no_unit_at_a_time_default): Declare.
7 2006-02-01 Paul Brook <paul@codesourcery.com>
9 * function.c (assign_parm_setup_reg): Use function argument promotion
11 * expr.c (expand_expr_real_1): Use function argument promotion rules
14 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16 * gcc.c (process_command): Change j to 'unsigned int'.
18 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
21 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
22 Use the corrected index for the character
23 out of the string constant.
25 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
27 * mode-switching.c (optimize_mode_switching): Fix size
28 allocated for bb_info[n_entities].
30 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
32 * gcc.c (main): Correct type that is allocated for
35 2006-01-31 Jakub Jelinek <jakub@redhat.com>
37 * config/s390/s390.c (init_alignment_context): Set
38 ALIAS_SET_MEMORY_BARRIER on the MEM.
39 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
41 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
44 * loop-unroll.c (unroll_loop_runtime_iterations): Free
46 * tree-ssa-live.c (type_var_init): Allocate bitmap after
49 2006-01-31 Marcin Dalecki <martin@dalecki.de>
51 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
53 * tree-ssa-loop-im.c: Ditto.
55 * tree-complex.c: Ditto.
57 * tree-ssa-threadupdate.c: Ditto.
59 * java/class.c: Ditto.
60 * java/jcf-parse.c: Ditto.
61 * java/resource.c: Ditto.
62 * java/except.c: Ditto.
63 * java/jvspec.c: Ditto.
64 * java/jcf-write.c: Ditto.
65 * java/jcf-path.c: Ditto.
66 * java/gjavah.c: Ditto.
67 * java/zextract.c: Ditto.
68 * java/jcf-io.c: Ditto.
70 * java/buffer.c: Ditto.
72 * java/parse-scan.y: Ditto.
75 * cfgloopmanip.c: Ditto.
76 * postreload-gcse.c: Ditto.
77 * tree-ssa-loop-manip.c: Ditto.
78 * postreload.c: Ditto.
79 * tree-ssa-loop-ch.c: Ditto.
83 * diagnostic.c: Ditto.
88 * cfgloopanal.c: Ditto.
89 * objc/objc-act.c: Ditto.
91 * genextract.c: Ditto.
92 * genautomata.c: Ditto.
93 * pretty-print.c: Ditto.
95 * cgraphunit.c: Ditto.
98 * haifa-sched.c: Ditto.
101 * tree-ssa-loop-ivopts.c: Ditto.
103 * mode-switching.c: Ditto.
104 * modulo-sched.c: Ditto.
106 * ipa-pure-const.c: Ditto.
108 * fix-header.c: Ditto.
110 * tree-stdarg.c: Ditto.
111 * ipa-utils.c: Ditto.
112 * loop-init.c: Ditto.
113 * ipa-inline.c: Ditto.
116 * alloc-pool.c: Ditto.
117 * dwarf2out.c: Ditto.
119 * genattrtab.c: Ditto.
120 * tree-ssa-loop-ivcanon.c: Ditto.
124 * fortran/gfortranspec.c: Ditto.
126 * local-alloc.c: Ditto.
127 * langhooks.c: Ditto.
129 * tree-vectorizer.c: Ditto.
131 * ipa-type-escape.c: Ditto.
133 * tree-if-conv.c: Ditto.
136 * tree-data-ref.c: Ditto.
137 * loop-unroll.c: Ditto.
138 * treelang/treetree.c: Ditto.
141 * ggc-common.c: Ditto.
145 * tree-cfgcleanup.c: Ditto.
146 * tree-ssa-pre.c: Ditto.
147 * cfgcleanup.c: Ditto.
148 * loop-invariant.c: Ditto.
151 * print-tree.c: Ditto.
154 * sched-deps.c: Ditto.
156 * tree-object-size.c: Ditto.
158 * bb-reorder.c: Ditto.
160 * var-tracking.c: Ditto.
162 * df-problems.c: Ditto.
163 * reg-stack.c: Ditto.
166 * sched-rgn.c: Ditto.
167 * tree-ssa-structalias.c: Ditto.
168 * tree-ssa-reassoc.c: Ditto.
169 * config/darwin-c.c: Ditto.
170 * config/darwin.c: Ditto.
171 * config/arm/arm.c: Ditto.
176 2006-01-31 Nicolas Pitre <nico@cam.org>
178 * arm.md (smaxsi3): Make aware of smax_m1.
181 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
183 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
185 2006-01-31 Richard Guenther <rguenther@suse.de>
187 * doc/invoke.texi (-msselibm): Document.
188 * target.h (expand_library_builtin): New target hook.
189 * builtins.c (expand_builtin): Use expand_library_builtin.
190 (default_expand_library_builtin): New function.
191 * gcc.c (LINK_GCC_MATH_SPEC): Define.
192 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
193 (link_gcc_math_spec): Declare.
194 (static_specs): Add link_gcc_math_spec.
195 * expr.h (default_expand_library_builtin): Declare.
196 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
197 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
198 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
199 * config/i386/i386.opt (msselibm): New target option.
200 * config/i386/i386.c (ix86_builtin_function_variants): New array.
201 (ix86_init_sse_abi_builtins): New function.
202 (ix86_expand_library_builtin): Likewise.
203 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
204 (override_options): Handle error conditions wrt -msselibm.
205 (ix86_builtins): Add function codes for SSE2 ABI builtins.
206 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
207 * doc/extend.texi (__builtin_sse2_*): Document new target specific
210 2006-01-31 Richard Guenther <rguenther@suse.de>
211 Paolo Bonzini <bonzini@gnu.org>
213 * doc/install.texi (--disable-libgcc-math): Document.
215 2006-01-30 Marcin Dalecki <martin@dalecki.de>
217 * expr.h (expand_normal): new inline function.
218 * builtins.c: use it, use EXPAND_NORMAL explicitely.
220 * dwarf2out.c: use it.
225 * config/sparc/sparc.c: use it.
226 * config/i386/i386.c: use it.
227 * config/rs6000/rs6000.c: use it.
228 * config/arm/arm.c: use it.
229 * config/mips/mips.c: use it.
230 * stmt.c: use it, use EXPAND_NORMAL explicitely.
232 2006-01-30 Roger Sayle <roger@eyesopen.com>
234 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
235 argv to the appropriate type.
237 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
239 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
242 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
245 * config/s390/s390.c (struct machine_function): New flag
246 decomposed_literal_pool_addresses_ok_p.
247 (s390_reorg): Set it before final stage of literal pool transforms.
248 (s390_decompose_address): Only accept displacements of the form
249 (minus (label_ref ...) (label_ref ...)) if that flag is set.
251 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
253 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
254 the comparison routine return.
256 2006-01-30 Michael Matz <matz@suse.de>
258 * global.c (find_reg): Only evict for global regs.
259 Take n_refs into account and dump more info.
261 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
264 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
265 (pragma_trap, pragma_nosave_low_regs): Likewise.
266 (current_function_anonymous_args): Likewise.
267 (sh_deferred_function_attributes): New variable.
268 (sh_deferred_function_attributes_tail): Likewise.
269 (print_operand): For '@', look up trap_exit attribute.
270 (calc_live_regs): Look up trapa_handler attribute. For trapa
271 handlers, save/restore fpscr, but don't do any other
272 interrupt-specific saves.
273 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
274 Fix check for partially saved registers to check for SHmedia.
275 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
276 (sh_output_function_epilogue): Don't clear any of the removed
278 (sh_insert_attributes): Don't check pragma_interrupt.
279 Insert deferred attributes. Check that interrupt attribute is
280 present for other attributes that require its presence.
281 (sh_attribute_table): Add new attributes trapa_handler and
283 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
284 Don't check for pragma_interrupt. Don't store argument.
285 * sh.h (pragma_interrupt, sp_switch): Don't declare.
286 (sh_deferred_function_attributes): Declare.
287 (sh_deferred_function_attributes_tail): Likewise.
288 * sh.md (sp_switch_1): Add operand. Change generator caller.
289 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
290 (*return_i): Don't use when trap_exit attribute is in effect.
291 (*return_trapa): New insn pattern.
293 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
294 setting c_target_objs and cxx_target_objs.
295 * t-sh: Add rule for sh-c.o.
297 2006-01-30 Richard Guenther <rguenther@suse.de>
300 * gimplify.c (gimplify_target_expr): Handle easy cases
301 without creating a temporary.
303 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
305 * vec.h (safe_grow): Remove duplicated line.
307 2006-01-29 Diego Novillo <dnovillo@redhat.com>
310 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
311 (expand_omp): ... here.
312 (expand_omp_parallel): Only remove barriers for combined
313 parallel+workshare constructs.
315 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
319 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
320 * tree.c (build_qualified_type): Chain the new type to the original
321 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
322 a POINTER_TYPE or a REFERENCE_TYPE respectively.
323 (build_pointer_type_for_mode): Only return unqualified types.
324 (build_reference_type_for_mode): Likewise.
326 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
328 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
329 * Makefile.in (CXX_COMPAT_WARN): Define.
330 * configure: Regenerate.
332 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
335 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
338 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
340 * toplev.c: Fix thinko.
342 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
343 Marcin Dalecki <martin@dalecki.de>
345 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
346 (push_srcloc): Use XNEW.
347 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
349 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
351 * df-core.c (df_set_blocks): Deleted all variable.
353 2006-01-28 Ian Lance Taylor <ian@airs.com>
355 * cgraphunit.c (cgraph_assemble_pending_functions): Call
356 cgraph_output_pending_asms.
358 2006-01-28 Zack Weinberg <zackw@panix.com>
360 * c.opt: Add -W(no-)overlength-strings.
361 * doc/invoke.texi: Document it.
362 * c-opts.c (c_common_handle_option): -pedantic implies
363 -Woverlength-strings, if not explicitly disabled already.
364 (c_common_post_options): -Woverlength-strings defaults to off, and
365 is always off for C++.
366 * c-common.c (fix_string_type): Issue warning about strings longer
367 than is portable only if warn_overlength_strings. Rearrange code
368 a little for clarity.
369 * configure.in: Check for -Wno-overlength-strings as well before
370 enabling -pedantic in stage 1.
371 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
372 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
374 * genconditions.c (write_header, write_one_condition)
375 (write_conditions, write_writer): Consolidate very long strings
376 that were broken up to fit in C89 portable limit. Don't use
377 printf when fputs will do.
379 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
381 * combine.c (simplify_comparison <AND>): Check
382 TRULY_NOOP_TRUNCATION before start using a subreg.
384 * config/mips/mips.md (*branch_zero<mode>,
385 *branch_zero<mode>_inverted, *branch_equality<mode>,
386 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
387 Remove mode check from comparisons.
389 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
391 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
393 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
395 * expmed.c (const_mult_add_overflow_p): Remove.
396 * expr.h: Remove the prototype for const_mult_add_overflow_p.
398 * recog.c (validate_replace_rtx_subexp): Remove.
399 * recog.h: Remove the prototype for
400 validate_replace_rtx_subexp.
402 * integrate.h: Remove the prototype for
403 copy_decl_for_inlining.
404 * rtl.h: Remove the prototype for mark_constant_function.
405 * tree-vectorizer.h: Remove the prototype for
406 vect_strip_conversion.
408 * modulo-sched.c (create_partial_schedule,
409 free_partial_schedule, reset_partial_schedule): Make them
412 * hooks.c (hook_bool_rtx_int_false): Remove.
413 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
415 2006-01-28 David Edelsohn <edelsohn@gnu.org>
417 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
418 and -mlong-double-128 are incompatible.
419 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
420 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
421 (TARGET_LIBGCC2_CFLAGS): Define.
422 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
423 (TARGET_LIBGCC2_CFLAGS): Same.
424 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
426 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
429 * c-typeck.c (build_binary_op): Perform implicit casts of
430 operands before shortening them.
432 * cfgloopmanip.c (split_loop_bb): Remove.
433 * cfgloop.h: Remove the prototype for split_loop_bb.
435 * cfgloop.c (flow_loop_outside_edge_p): Remove.
436 * cfgloop.h: Remove the prototype for
437 flow_loop_outside_edge_p.
439 * emit-rtl.c (init_virtual_regs): Make it static.
440 * function.h: Remove the prototype for init_virtual_regs.
442 * recog.c (peephole2_optimize): Make it static.
443 * recog.h: Remove the prototype for peephole2_optimize.
445 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
447 * df-scan.c (df_record_entry_block_defs): Check if
448 INCOMING_RETURN_ADDR_RTX is defined.
450 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
451 Kenneth Zadeck <zadeck@naturalbridge.com>
453 PR rtl-optimization/24762
454 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
455 * targhooks.c (hook_void_bitmap): New hook prototype.
456 * targhoohs.h (hook_void_bitmap): Ditto.
457 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
458 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
459 * target.h (live_on_entry): New function pointer.
460 * df-scan.c (df_all_hard_regs): Removed.
461 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
462 (df_scan_free_internal): Added df->entry_block_defs.
463 (df_scan_alloc): Ditto.
464 (df_scan_dump): Ditto.
465 (df_uses_record): Plumbed flag field properly thru calls.
466 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
467 This part fixes PR24762.
468 (df_bb_refs_record): Added code to make the frame and arg
469 pointers live in EH blocks.
470 (df_refs_record): Added call to df_record_entry_block_defs.
471 (df_record_entry_block_defs): New function.
472 * df-core.c: Added comments to describe new artifical defs.
473 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
474 (entry_block_defs): New field in struct df.
475 (df_all_hard_regs): Deleted.
476 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
477 * df-problems.c (df_ru_bb_local_compute_process_def):
478 Added code to handle artifical defs in the entry to a function.
479 (df_ru_bb_local_compute): Ditto.
480 (df_rd_bb_local_compute_process_def): Ditto.
481 (df_rd_bb_local_compute): Ditto.
482 (df_lr_bb_local_compute): Ditto.
483 (df_ur_bb_local_compute): Ditto.
484 (df_urec_bb_local_compute): Ditto.
485 (df_chain_create_bb): Ditto.
486 (df_ur_local_finalize): Removed entry.
487 (df_urec_init): Ditto.
488 (df_urec_local_finalize): Ditto.
489 (df_ri_bb_compute): Added detection of last use of pseudos.
490 * Makefile.in (df-scan.o): Updated dependencies.
491 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
492 * config/mips/mips.c (mips_set_live_on_entry): Added.
493 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
495 * dce.c (marked_insn_p): Added code to handle artifical defs.
497 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
499 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
501 (_mm_cvtsi128_si64): Likewise.
502 (_mm_cvtsd_si64): Likewise.
503 (_mm_cvttsd_si64): Likewise.
504 (_mm_cvtsi64_sd): Likewise.
505 (_mm_cvtsi64_si128): Likewise.
506 * config/i386/mmintrin.h (_m_from_int64): Likewise.
507 (_mm_cvtsi64_m64): Likewise.
508 (_m_to_int64): Likewise.
509 (_mm_cvtm64_si64): Likewise.
510 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
511 (_mm_cvttss_si64): Likewise.
512 (_mm_cvtsi64_ss): Likewise.
513 (_mm_cvtss_f32): Likewise.
515 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
517 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
518 for pragma redefine_extname.
520 2006-01-27 Jakub Jelinek <jakub@redhat.com>
523 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
524 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
525 -mno-minimal-toc to previous content.
526 (bispecs): Remove goal.
527 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
528 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
529 compatibility aliases on powerpc-*-*gnu*.
530 * config/rs6000/libgcc-ppc-glibc.ver: New file.
531 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
532 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
533 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
534 (ldblspecs): New goal.
535 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
536 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
538 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
539 L_sf_to_tf or L_df_to_tf is defined.
541 2006-01-27 David Edelsohn <edelsohn@gnu.org>
542 Alan Modra <amodra@bigpond.net.au>
545 * config/rs6000/linux.h (POWERPC_LINUX): Define.
546 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
547 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
548 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
549 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
550 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
551 (rs6000_override_options): Initialize rs6000_ieeequad.
552 Initialize TFmode format to ibm_extended_format if not
554 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
556 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
557 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
558 (function_arg_advance): IBM long double passed in two FPRs, not
560 (function_arg): IBM long double passed in FPRs.
561 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
562 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
563 Only multireg GPR aligned.
564 (rs6000_init_libfuncs): Enable IBM long double functions if not
566 (rs6000_generate_compare): Use IBM long double compare if not
568 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
569 (TARGET_IEEEQUAD): Define.
570 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
572 * config/rs6000/rs6000.md: Enable TFmode patterns if
574 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
575 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
576 and -mlong-double-128 are incompatible.
577 * doc/invoke.texi (-mabi): Collect options together. Add
578 ibmlongdouble and ieeelongdouble.
580 2006-01-27 Richard Sandiford <richard@codesourcery.com>
582 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
584 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
585 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
586 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
587 * rtl.h (rtunion_def): Remove rt_ptr.
589 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
590 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
591 * config/i386/winnt.c (i386_pe_mark_dllexport)
592 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
594 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
596 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
598 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
602 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
603 pthread_key_delete. From John David Anglin. gthrw-ify
604 pthread_getunique_np only if it it's not a macro. Delete
606 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
607 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
608 __gthread_objc_condition_signal, __gthread_key_delete): Add
609 "__attribute__ ((__unused__))" to unused arguments.
610 (__gthread_recursive_mutex_init_function): Add missing return.
611 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
612 gthr-posix95.h: Use macro-based approach for name redirection
613 on targets missing weakref.
615 2006-01-26 Zack Weinberg <zackw@panix.com>
617 * genconditions.c (write_header): In generated code, #ifdef out
618 all includes and fake declarations, except includes of bconfig.h
619 and system.h, unless GCC_VERSION >= 3001. Do not include
620 gensupport.h in any case.
621 (write_conditions): Generate a definition of struct c_test. Add
622 a comment to the generated #endif.
623 (write_one_condition): Escape backslashes in string too.
624 (write_writer): Generated code must escape backslashes and quote
625 marks (but not newlines) in the strings it writes.
626 * Makefile.in (build/gencondmd.o): Update dependencies.
628 2006-01-26 Steve Ellcey <sje@cup.hp.com>
631 * Makefile.in (insn-automata.o): Add header file dependencies.
632 * genautomata.c: Add includes.
634 2006-01-26 Steve Ellcey <sje@cup.hp.com>
637 * Makefile.in (insn-automata.o): Add -Wno-error flag.
639 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
641 * configure.ac: Expect target tools paths to be passed from the toplevel
642 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
644 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
646 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
649 * c.opt (Wpointer-sign): Init to -1.
650 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
651 OPT_pedantic, to 0 otherwise.
652 * doc/invoke.texi: Update.
654 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
656 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
657 constants provided by 80387 instructions in the destination mode.
659 2006-01-26 Richard Guenther <rguenther@suse.de>
660 Andrew Pinski <pinskia@physics.uc.edu>
663 partial PR tree-opt/17064
664 * tree-ssa-structalias.c (intra_create_variable_infos):
665 Create heap variables for incoming parameters if
666 flag_argument_noalias > 1.
667 (find_what_p_points_to): Look through default defs of
670 2006-01-26 Jeff Law <law@redhat.com>
673 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
674 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
675 within the VR_RANGE, use the VR_RANGE as the result, not the
677 (adjust_range_with_scev): Reject ranges from SCEV which are out
678 of bounds for the type.
680 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
682 * tree-ssa-alias.c (maybe_create_global_var): Change
683 subvar walking to an assertion that we don't have subvar'd variables.
685 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
688 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
689 Use a new variable, inner. PARM_DECLs are always non-weak.
691 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
693 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
696 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
698 * config/mips/mips.md (*clear_upper32): New combiner pattern.
700 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
702 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
703 (smax_insn, smin_insn, smax_0, smin_0): New.
705 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
708 * config/cris/cris.c (cris_order_for_addsi3): New function.
709 * config/cris/cris-protos.h: Prototype it.
710 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
711 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
712 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
713 (split for "op.S1 [rx=rx+i],ry (swapped)")
714 (split for "op(s|u).S1 [rx=rx+i],ry")
715 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
716 Apply cris_order_for_addsi3 when generating addsi3 insns.
718 2006-01-25 Diego Novillo <dnovillo@redhat.com>
720 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
721 (TREE_BLOCK): Add call to EXPR_CHECK.
723 2006-01-25 Diego Novillo <dnovillo@redhat.com>
726 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
727 * tree-pretty-print.c (dump_omp_clause): Extract from ...
728 (dump_omp_clauses): ... here.
729 (dump_generic_node): Handle OMP_CLAUSE.
730 * tree.c (omp_clause_num_ops): New.
731 (omp_clause_code_name): New.
732 (tree_code_size): Handle OMP_CLAUSE.
733 (tree_size): Likewise.
734 (make_node): Document handling of OMP_CLAUSE.
735 (tree_node_structure): Handle OMP_CLAUSE.
736 (omp_clause_check_failed): New.
737 (omp_clause_range_check_failed): New.
738 (omp_clause_operand_check_failed): New.
739 (build_omp_clause): New.
740 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
741 * tree.h (enum omp_clause_code): Declare.
742 (OMP_CLAUSE_SUBCODE_CHECK): Define.
743 (OMP_CLAUSE_RANGE_CHECK): Define.
744 (OMP_CLAUSE_ELT_CHECK): Define.
745 (omp_clause_check_failed): Declare.
746 (omp_clause_operand_check_failed): Declare.
747 (omp_clause_range_check_failed): Declare.
748 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
749 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
750 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
751 (OMP_CLAUSE_LASTPRIVATE): Likewise.
752 (OMP_CLAUSE_IF_EXPR): Likewise.
753 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
754 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
755 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
756 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
757 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
758 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
759 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
760 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
761 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
762 (OMP_CLAUSE_CODE): Define.
763 (OMP_CLAUSE_SET_CODE): Define.
764 (OMP_CLAUSE_CODE): Define.
765 (OMP_CLAUSE_OPERAND): Define.
766 (struct tree_omp_clause): Declare.
767 (union tree_node): Add field 'omp_clause'.
768 * treestruct.def (TS_OMP_CLAUSE): Define.
769 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
770 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
771 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
772 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
773 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
774 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
775 (OMP_CLAUSE): Define.
776 * print-tree.c (print_node): Handle OMP_CLAUSE.
777 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
778 * c-typeck.c: Likewise.
779 * gimplify.c: Likewise.
781 * tree-nested.c: Likewise.
782 * tree-inline.c: Likewise.
783 * c-parser.c: Likewise.
784 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
787 2006-01-25 Roger Sayle <roger@eyesopen.com>
789 PR rtl-optimization/25703
790 * combine.c (try_combine): Handle zero_extract and strict_low_part
791 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
793 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
795 * global.c: Fix comment typos.
797 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
800 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
801 Use output_addr_const instead of assemble_name.
803 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
805 * Makefile.in (sched-vis.o): Update dependencies.
806 * haifa-sched.c (sched_finish): Clear current_sched_info.
807 * cfg.c (dump_bb_info): New, split from dump_flow_info.
808 (dump_flow_info): Call it.
809 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
811 * basic-block.h (dump_bb_info): Declare.
812 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
813 option, and apply options only for dump files whose TDF_RTL,
814 TDF_TREE, or TDF_IPA bits match.
815 * rtl.h: Declare new functions exported from sched-vis.c.
816 * sched-vis.c: Enable also if scheduling is not used.
817 (print_value): Print the mode of registers if not inside scheduling.
818 (print_insn): Make it work outside the scheduler. Beautify the output
820 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
822 2006-01-25 Richard Sandiford <richard@codesourcery.com>
824 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
825 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
826 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
827 depending on the value of CONSTANT_POOL_ADDRESS_P.
828 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
830 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
831 rather than SYMBOL_REF_DECL.
832 (rtx_constant_pool): Remove const_rtx_sym_htab.
833 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
834 (init_varasm_status): Don't initialize const_rtx_sym_htab.
835 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
836 Remove handling of const_rtx_sym_htab.
837 (find_pool_constant): Delete.
838 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
839 rather than find_pool_constant.
840 (get_pool_constant_for_function): Delete.
841 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
843 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
844 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
845 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
846 (SYMBOL_REF_CONSTANT): New macro.
847 (get_pool_constant_for_function): Delete.
848 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
849 rather than SYMBOL_REF_DECL.
850 (i386_pe_mark_dllimport): Likewise.
851 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
852 rather than SYMBOL_REF_DECL.
853 * config/darwin.c (machopic_indirect_data_reference): Likewise.
854 (machopic_indirect_call_target): Likewise.
856 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
858 * flow.c (delete_noop_moves): Add missing EOL to dump message.
860 2006-01-25 Richard Sandiford <richard@codesourcery.com>
862 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
864 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
866 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
868 2006-01-24 David Daney <ddaney@avtrex.com>
871 * configure.ac (enable_tls): New enable option.
872 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
873 * configure: Regenerate.
874 * doc/install.texi (--enable-tls): Document new option.
875 (--disable-tls): Ditto.
877 2006-01-24 Richard Henderson <rth@redehat.com>
879 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
880 * alias.c (true_dependence): Respect it.
881 (canon_true_dependence, write_dependence_p): Likewise.
882 * builtins.c (get_builtin_sync_mem): Set it.
884 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
886 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
889 2006-01-24 DJ Delorie <dj@redhat.com>
891 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
892 for storing constants in single-bit bitfields.
894 2006-01-25 Ben Elliston <bje@au.ibm.com>
896 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
898 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
901 * tree-ssa-pre.c (phi_translate): Return NULL
902 for AGGREGATE_TYPE's.
904 2006-01-24 Zack Weinberg <zackw@panix.com>
906 * genautomata.c (process_state_for_insn_equiv_partition):
907 Use xcalloc for insn_arcs_array.
908 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
909 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
911 2006-01-24 Richard Henderson <rth@redhat.com>
913 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
916 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
918 PR rtl-optimization/25890
919 PR rtl-optimization/25905
920 * combine.c (expand_compound_operation, expand_field_assignment):
921 Fail if the bitfield's final position is out of bounds.
923 2006-01-24 Ian Lance Taylor <ian@airs.com>
926 * cgraphunit.c (cgraph_output_in_order): Don't clear
927 cgraph_asm_nodes until after asm strings have been output.
929 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
931 * fix-header.c (read_scan_file): Add new parameter imultilib when
932 calling register_include_chains.
934 2006-01-23 Diego Novillo <dnovillo@redhat.com>
936 * omp-low.c: Update documentation.
938 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
939 Daniel Berlin <dberlin@dberlin.org>
943 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
944 return from the function.
946 2006-01-22 Zack Weinberg <zackw@panix.com>
948 * rtl.def (match_code): Add second argument.
949 * genpreds.c (write_extract_subexp): New function.
950 (write_match_code): Add path argument. Use write_extract_subexp.
951 (write_predicate_expr): Pass path to write_match_code.
952 (mark_mode_tests): MATCH_CODE applied to a subexpression does
953 not perform a mode test.
954 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
955 a subexpression does not constrain the top-level code set.
956 * read-rtl.c (read_rtx_variadic): New function.
957 (read_rtx_1): Use it; allow AND and IOR to be variadic.
958 * doc/md.texi: Document new notation.
959 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
960 (cmpsi_operand): ... here, using new notation.
962 2006-01-22 Zack Weinberg <zackw@panix.com>
964 * varray.c: Remove GENERATOR_FILE #ifdefs.
966 2006-01-22 Zack Weinberg <zackw@panix.com>
968 * genautomata.c (output_reserved_units_table): Emit nothing if
969 description->query_units_num is zero. Remove extra blank line.
970 (output_cpu_unit_reservation_p): Short circuit
971 if description->query_units_num is zero.
973 2006-01-22 Zack Weinberg <zackw@panix.com>
975 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
976 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
977 nor any of the random handful of variables that used to be necessary
978 when this program was linked with rtlanal.o. Prune set of forward
979 function declarations.
980 (struct attr_desc): Remove static_p field.
981 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
982 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
983 (attr_string): Do not read the character one past the length of
985 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
986 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
987 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
988 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
989 (make_automaton_attrs): New.
990 (main): Do not call into genautomata. Call local gen_bypass
991 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
992 Remove special case for insn_alts.
993 * genautomata.c: Include gensupport.h; not genattrtab.h nor
994 varray.h (leftover from previous change). Prune set of forward
995 function declarations. Remove state_alts fields from all
996 structures. Remove state_alts_table from struct automaton.
997 Make everything except main static. Do not maintain num_dfa_decls.
998 Do not maintain state_alts fields of various structures.
999 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1000 (add_arc): Remove state_alts argument. All callers updated.
1001 (output_reserved_units_table): Emit #ifdef here...
1002 (output_tables): ...not here. Don't generate state_alts tables.
1003 (expand_automata): Don't generate attributes.
1004 (write_automata): Don't generate state_alts functions.
1005 (main): New function.
1006 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1007 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1008 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1009 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1010 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1011 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1012 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1013 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1015 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1016 * genattrtab.h: Delete file.
1017 * Makefile.in (OBJS-common): Add insn-automata.o.
1018 (insn-automata.o): New rule.
1019 (simple_generated_c): Add insn-automata.c.
1020 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1021 (genprogmd): Add automata.
1022 (build/genattrtab): Needs no extra objects nor libraries.
1023 (build/genautomata): Needs build/vec.o and -lm.
1025 2006-01-22 Zack Weinberg <zackw@panix.com>
1027 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1028 (output_dfa_max_issue_rate, locked_states_num): Delete.
1029 (struct automaton): Add locked_states field.
1030 (output_dead_lock_vect): Save number of locked states in
1031 automaton->locked_states. If it is zero, don't print anything.
1032 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1033 (output_internal_dead_lock_func): Only test the dead_lock_vect
1034 for automata that have locked states.
1035 (output_statistics): Always print the number of locked states for
1036 each automaton. Calculate total number of locked states here.
1037 (write_automata): Don't call output_dfa_max_issue_rate.
1038 * genattrtab.c: Define length_unit_log as a const variable.
1039 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1040 max_insn_queue_index const.
1041 * final.c (length_unit_log): Declare const.
1042 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1044 2006-01-22 Zack Weinberg <zackw@panix.com>
1046 * genautomata.c: Include vec.h, not varray.h.
1047 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1048 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1049 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1050 VEC_* macros operating on appropriately typed vectors, or to
1051 malloced arrays when the size is known in advance. Const-ify
1052 many char* variables and function arguments. No functional changes.
1053 * Makefile.in (build/varray.o): Delete rule.
1054 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1055 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1057 2006-01-22 Zack Weinberg <zackw@panix.com>
1059 * gensupport.c: Define get_insn_name and record_insn_name here.
1060 (read_md_rtx): Call record_insn_name as appropriate.
1061 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1062 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1063 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1065 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1066 (BUILD_VARRAY): Delete.
1067 (genprognormal): Rename genprogmd. Fold in all programs from
1068 genprognoprint; also attrtab.
1069 (build/genattrtab): Just mention genautomata.o and varray.o.
1070 Reorganize a bit, add comments to make the categories clearer.
1072 2006-01-22 Zack Weinberg <zackw@panix.com>
1074 * genconditions.c (condition_table, add_condition): Delete.
1075 (write_conditions): Don't emit n_insn_conditions nor
1076 insn_elision_unavailable. Issue the gcc version #ifdef here,
1077 inside the table, with no #else clause ...
1078 (write_header): ...not here.
1079 (write_writer): New function.
1080 (main): Don't initialize condition_table. Use add_c_test.
1082 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1083 files on the command line.
1084 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1085 Return -1 if there is no entry in the table, don't abort.
1086 (add_c_test, traverse_c_tests): New functions.
1087 * gensupport.h (insn_elision_unavailable, insn_conditions)
1088 (n_insn_conditions): Delete declarations.
1089 (add_c_test, traverse_c_tests): Declare.
1090 * read-rtl.c: Include gensupport.h.
1091 (read_conditions): New function.
1092 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1093 (read_rtx_1): If we get EOF when we were looking for an initial
1094 open paren, return 0. Call read_conditions when appropriate.
1095 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1096 dummy-conditions.o. Eliminate references to insn-conditions.o,
1097 or change them to build/gencondmd.o, as appropriate. Remove
1098 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1099 from $(simple_generated_c). For all files remaining in those
1100 two lists, add insn-conditions.md to the generator command line.
1101 Give insn-constants.h/s-constants their own rules. Add rules
1102 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1103 (build/read-rtl.o): Depend on gensupport.h.
1104 (genprognormal): Include preds.
1105 (genprogearly): Rename genprognoprint; only difference is now that
1106 they don't link with $(BUILD_PRINT).
1107 * dummy-conditions.c: Delete.
1109 2006-01-22 Zack Weinberg <zackw@panix.com>
1111 * genextract.c: Don't include insn-config.h. Do include vec.h.
1112 Declare vectors of int, char, and locstr.
1113 (locstr): New typedef.
1114 (struct extraction): Make all array fields into bare pointers.
1115 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1116 (insn_code_number): Delete.
1117 (accum_extract): New struct.
1118 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1119 (gen_insn): Take insn_code_number as an argument. Use an
1120 accum_extract structure instead of loading data directly into
1121 a struct extraction, and having to know how big it might get.
1122 (walk_rtx): Operate entirely on an accum_extract structure.
1123 (print_path): Avoid unnecessary use of printf.
1124 (print_header): New function, split out of main. Distinguish
1125 more carefully between an unrecognizable insn and an insn that
1126 has the code number of a define_expand.
1127 (main): Pass insn_code_number to gen_insn. Call print_header
1128 only after parsing. Avoid unnecessary use of printf.
1129 * Makefile.in (build/vec.o): New rule.
1130 (build/genextract): Depend on build/vec.o.
1131 (build/genextract.o): Don't depend on insn-config.h.
1133 2006-01-22 Zack Weinberg <zackw@panix.com>
1135 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1136 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1137 practical. Eliminate per-generator-program link rules.
1139 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1142 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1143 with a call expr to ...
1144 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1146 2006-01-23 Richard Guenther <rguenther@suse.de>
1148 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1149 before make_edge with conditional EDGE_TRUE_VALUE.
1151 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1152 Jan Hubicka <jh@suse.cz>
1153 Richard Guenther <rguenther@suse.de>
1155 PR rtl-optimization/25654
1156 * cfgexpand.c (aggregate_contains_union_type): New function.
1157 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1158 for structure variables that contain a union type.
1160 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1162 * gengtype.c (new_structure): Return the structure.
1163 (create_option): Add an extra "next" argument.
1164 (create_field): New function.
1165 (adjust_field_rtx_def): Use create_option and create_field.
1166 Remove a now-unnecessary call to find_structure.
1167 (adjust_field_tree_def): Likewise.
1168 (note_yacc_type): Remove an unnecessary call to find_structure.
1169 * gengtype.h (new_structure): Return the structure.
1170 (create_option): Add an extra argument.
1171 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1172 (option): Adjust calls to create_option.
1174 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1176 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1178 2006-01-22 Paul Brook <paul@codesourcery.com>
1179 Peter Barada <peter@the-baradas.com>
1181 * config/m68k/m68k.md: Add Coldfire FPU support.
1182 Define FP mode macro and associated attributes.
1183 Use it for float mode patterns.
1184 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1185 (LIBCALL_VALUE): Use m68k_libcall_value.
1186 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1187 (m68k_function_value): Ditto.
1188 (emit_move_sequence): Ditto.
1189 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1190 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1191 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1192 (MULTILIB_EXCEPTIONS): Ditto.
1193 * config/m68k/m68k.opt: Add mcfv4e.
1194 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1195 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1196 (m68k_output_function_prologue): Save ColdFire FPU registers.
1197 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1198 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1199 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1200 ColdFire FPU registers.
1201 (m68k_libcall_value, m68k_function_value): New functions.
1202 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1203 (LIBCALL_VALUE): Use m68k_libcall_value.
1204 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1205 (MASK_COLDFIRE): Add MASK_CFV4E.
1206 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1207 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1208 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1209 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1210 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1211 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1212 * doc/invoke.tex: Document -mcfv4e on m68k.
1214 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1216 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1219 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1222 * c-opts.c (c_common_handle_option): Don't include
1223 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1224 * doc/invoke.texi (C++ Dialect Options): Document that
1225 -Wnon-virtual-dtor is no longer included in -Wall.
1227 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1229 * gcov.c (print_version), gcov-dump.c (print_version),
1230 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1233 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1235 * df-scan.c (problem_SCAN): Added NULL reset function.
1236 (df_scan_reset_blocks): Added code to call reset block function
1237 (df_bb_refs_delete) Fixed comment.
1238 (df_insn_refs_delete): Made tolerant of deleting non existent info
1239 for dataflow problems that need to be reset.
1240 * df-core.c (df_set_blocks): Ditto.
1241 * df.h (struct df_problem): Added reset_fun.
1242 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1243 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1244 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1245 functions to clear out all references to def-use or use-def chains.
1247 2006-01-21 Ben Elliston <bje@au.ibm.com>
1249 * varasm.c (assemble_real): Initialise data array.
1251 2006-01-20 Paul Brook <paul@codesourcery.com>
1253 Merge from csl-arm-branch.
1254 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1255 * config/arm/arm.md (movdi): Force operands[1] to a register
1256 if we have a non-register source.
1257 (*arm_movdi, *movdf_soft_insn): Require that one of the
1258 operands be a register.
1259 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1260 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1262 2006-01-20 DJ Delorie <dj@redhat.com>
1264 * varasm.c (initialize_constant_valid_p): Allow pointers
1265 initialized from integer constants of lesser precision.
1266 (output_constant): Allow non-int-sized pointer modes to be
1267 initialized from integer constants.
1269 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1272 * cppdefault.h (struct default_include): Add multilib flag.
1273 * cppdefault.c (cpp_include_defaults): Set it.
1274 * c.opt (-imultilib): New option.
1275 * c-opts.c (imultilib): New.
1276 (c_common_handle_option): Handle -imultilib.
1277 (c_common_post_options): Likewise.
1278 * c-incpath.c (add_standard_paths, register_include_chains):
1280 * c-incpath.h (register_include_chains): Add extra parameter.
1281 * gcc.c (do_spec_1): Generate -imultilib option.
1282 (The Specs Language): Update %I description.
1283 (process_command): Update copyright notice.
1284 * doc/cppopts.texi (-imultilib): Document.
1285 * doc/invoke.texi (-imultilib): Include in option summary.
1286 (%I): Update specs documentation.
1288 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1290 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1292 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1294 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1297 2006-01-20 Richard Guenther <rguenther@suse.de>
1298 Steven Bosscher <stevenb.gcc@gmail.com>
1300 PR rtl-optimization/24626
1301 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1302 EDGE_TRUE_VALUE if in RTL mode.
1305 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1306 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1308 2006-01-20 Dirk Mueller <dmueller@suse.com>
1311 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1312 instead of a special NOP marker.
1313 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1314 NOP marker handling.
1315 * c-common.h (empty_body_warning): Add forward declaration.
1316 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1317 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1319 2006-01-20 Paul Brook <paul@codesourcery.com>
1321 * Makefile.in (lang_checks): Keep going if mkdir fails.
1323 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1325 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1326 be able to clean out basic block when not necessary.
1327 (df_scan_free): Fixed to properly delete information if df is
1328 unused before calling df_finish.
1329 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1330 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1332 (df_bb_refs_delete): New function.
1333 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1334 * df-core.c (df_set_blocks): Added code to properly clean out
1335 unused blocks if they are not part of the blocks to consider.
1336 Added additional null check.
1337 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1338 be able to clean out basic block when not necessary
1339 * df.h (df_free_bb_function): Ditto.
1340 (df_bb_refs_delete): New function.
1341 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1342 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1343 basic block parameter to be able to clean out basic block when not
1345 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1346 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1347 Fixed to properly delete information if df is unused before
1350 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1352 PR rtl-optimization/25799
1353 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1354 Corrected confluence operator to remove bits from op2 before oring
1355 with op1 rather than removing bits from op1.
1356 (df_ru_transfer_function): Corrected test on wrong bitmap which
1357 caused infinite loop. Both of these problems were introduced in
1358 the dataflow rewrite.
1360 2006-01-19 DJ Delorie <dj@redhat.com>
1362 * reload1.c (find_reload_regs): Note the details of reload
1363 failures in the dump file.
1364 (spill_failure): Likewise.
1366 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1368 * loop-iv.c: Include df.h and hashtab.h.
1369 (enum iv_grd_result): New enum.
1370 (DF_REF_IV, DF_REF_IV_SET): New macros.
1371 (struct biv_entry): New.
1372 (df, bivs): New global variables.
1373 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1374 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1376 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1377 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1378 analyzed_for_bivness_p, record_biv): New functions.
1379 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1380 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1381 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1383 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1385 (iv_number_of_iterations): Use new interface to iv analysis.
1386 * loop-unroll.c: Do not include varray.h.
1387 (analyze_iv_to_split_insn): Use new interface to iv
1389 * loop-unswitch.c (may_unswitch_on): Ditto.
1390 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1392 (df_bb_modify): Realloc tables to the new index.
1393 (df_find_use): New function.
1394 * df.h (df_find_use): Declare.
1395 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1397 * cfgloop.h (struct rtx_iv): Remove analysed field.
1398 (iv_get_reaching_def): Removed.
1399 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1400 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1401 (loop-iv.o): Add df.h and hashtab.h dependency.
1402 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1404 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1406 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1408 (__floatundisf, __floatundidf): Likewise.
1409 * libgcc2.h (IS_IBM_EXTENDED): Define.
1411 2006-01-19 DJ Delorie <dj@redhat.com>
1413 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1415 2006-01-19 Paul Brook <paul@codesourcery.com>
1417 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1418 as nothrow when unwinding tables are disabled.
1420 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1423 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1424 of bit-field" when in system header.
1426 2006-01-19 DJ Delorie <dj@redhat.com>
1428 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1429 the 16 bit shift limit of the m16c.
1431 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1434 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1435 * config/i386/i386.c (output_set_got): Output the label if we have one
1436 for the TARGET_DEEP_BRANCH_PREDICTION case.
1438 2006-01-19 Jan Hubicka <jh@suse.cz>
1439 H.J. Lu <hongjiu.lu@intel.com>
1440 Evandro Menezes <evandro.menezes@amd.com>
1442 * invoke.texi (generic): Document
1444 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1445 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1446 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1447 (x86_use_incdec, x86_pad_returns): New variables
1448 (TARGET_CPU_DEFAULT_generic): New constant
1449 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1450 (enum processor_type): Add generic32 and generic64.
1451 * i386.md (cpu attribute): Add generic32/generic64
1452 (movhi splitter): Behave sanely when both partial_reg_dependency and
1453 partial_reg_stall are set.
1454 (K8 splitters): Enable for generic as well.
1455 * predicates.md (incdec_operand): Use TARGET_INCDEC
1456 (aligned_operand): Avoid memory mismatch stalls.
1457 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1458 * ppro.md: Enable for generic32
1459 * i386.c (generic64_cost, generic32_cost): New.
1460 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1461 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1462 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1463 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1464 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1465 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1466 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1467 x86_accumulate_outgoing_args, x86_prologue_using_move,
1468 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1469 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1471 (x86_use_incdec, x86_pad_returns): New.
1472 (override_options): Add generic32 and generic64, translate "generic"
1473 to generic32/generic64 and "i686" to "generic32", refuse
1474 "generic32"/"generic64" as arch target.
1475 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1476 (ix86_reorg): Honor PAD_RETURNS.
1478 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1480 * tree-pretty-print.c (dump_generic_node): Handle
1481 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1482 * cgraph.c (cgraph_expand_queue): Rename from
1483 cgraph_analyze_queue. Update all users.
1484 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1485 cgraph_expand_queue.
1486 (cgraph_expand_all_functions): Likewise.
1487 (cgraph_finalize_pending_functions): Remove. Update callers.
1489 * tree.h (OMP_DIRECTIVE_P): Define.
1490 (OMP_PARALLEL_FN): Define.
1491 (OMP_PARALLEL_DATA_ARG): Define.
1492 (OMP_SECTIONS_SECTIONS): Define.
1493 * tree-pass.h (pass_expand_omp): Declare.
1494 * omp-low.c (struct omp_region): Declare.
1495 (struct omp_context): Remove fields 'parallel_type',
1496 'parallel_start_ix' and 'parallel_start_additional_args'.
1498 (struct omp_for_data): Rename from struct expand_omp_for_data.
1499 (omp_regions): New static variable.
1500 (root_omp_region): New static variable.
1501 (find_omp_clause): Make static.
1502 (is_in_combined_parallel_ctx): Remove.
1503 (is_combined_parallel): New.
1504 (extract_omp_for_data): Move earlier in the file.
1505 (workshare_safe_to_combine_p): New.
1506 (get_ws_args_for): New.
1507 (determine_parallel_type): Move earlier in the file.
1508 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1510 (omp_copy_decl): Likewise.
1511 (create_omp_child_function): Likewise.
1512 (lookup_omp_region): New.
1513 (dump_omp_region): New.
1514 (debug_omp_region): New.
1515 (debug_all_omp_regions): New.
1516 (new_omp_region): New.
1517 (scan_omp_parallel): If parallel_nesting_level > 1, the
1518 directive is nested within another parallel directive.
1519 Set OMP_PARALLEL_FN.
1520 (scan_omp_for): Do not try to handle combined parallel+for
1522 Remove FIXME comment.
1523 (scan_omp_nested): Remove.
1524 (scan_omp_1): Do not call scan_omp_nested when
1525 parallel_nesting_level is > 1.
1526 Do not change the DECL_CONTEXT of local variables found.
1527 (lookup_decl_in_outer_ctx): New.
1528 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1529 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1530 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1531 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1532 If CTX is nested, lookup VAR in the outer context when
1533 building copy assignment.
1534 (lower_send_clauses): Rename from expand_send_clauses.
1535 If CTX is nested, lookup VAR in the outer context when
1536 building copy assignments.
1537 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1538 If CTX is nested, lookup VAR in the outer context when
1539 building copy assignments.
1540 (expand_parallel_call): Rename from build_parallel_call.
1541 Handle combined parallel+workshare cases.
1542 Re-implement to emit code into the CFG.
1544 (expand_omp_parallel): Re-implement to emit code into the CFG.
1545 Call move_sese_region_to_fn to outline the sub-graph
1546 containing the parallel region.
1547 (expand_omp_for_1): Remove.
1548 (expand_omp_for_generic): Re-implement to emit code into the
1550 (expand_omp_for_static_nochunk): Likewise.
1551 (expand_omp_for_static_chunk): Likewise.
1552 (expand_omp_for): Likewise.
1553 (expand_omp_sections): Likewise.
1554 (remove_exit_barriers): New.
1555 (expand_omp_synch): New.
1557 (build_omp_regions_1): New.
1558 (build_omp_regions): New.
1559 (execute_expand_omp): New.
1560 (gate_expand_omp): New.
1561 (pass_expand_omp): Define.
1562 (lower_omp_sections): Rename from expand_omp_sections.
1563 Set OMP_SECTIONS_SECTIONS.
1564 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1565 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1566 (lower_omp_single): Rename from expand_omp_simple.
1567 (lower_omp_master): Rename from expand_omp_master.
1568 (lower_omp_ordered): Rename from expand_omp_ordered.
1569 (lower_omp_critical): Rename from expand_omp_critical.
1570 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1571 (lower_omp_for): Re-implement.
1572 (lower_omp_parallel): Re-implement.
1573 (lower_regimplify): Rename from expand_regimplify.
1574 (lower_omp_1): Rename from expand_omp_1.
1575 If there are syntax errors in the program, replace every
1576 OpenMP directive with NOP.
1577 Call lower_omp_* instead of expand_omp_*.
1578 (lower_omp): Rename from expand_omp.
1580 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1581 * tree-gimple.h (enum omp_parallel_type): Remove.
1582 (gimple_boolify): Declare extern.
1583 (find_omp_clause, determine_parallel_type): Remove.
1585 * gimple-low.c (lower_omp_directive): New.
1586 (lower_stmt): Call it.
1587 (record_vars_into): Move from ...
1588 (record_vars): ... here.
1589 Call record_vars_into with current_function_decl.
1591 * gimplify.c (struct gimplify_ctx): Remove fields
1592 combined_pre_p and combined_ctxp. Update users.
1593 (get_formal_tmp_var): Add documentation.
1594 (gimple_boolify): Make extern.
1595 (gimplify_expr_in_ctx): Remove. Update callers.
1596 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1597 will always be a BIND_EXPR.
1598 (gimplify_expr): Handle OMP_RETURN_EXPR.
1599 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1600 (OMP_PARALLEL): Add 3 operands.
1601 (OMP_SECTIONS): Add 1 operand.
1602 (OMP_RETURN_EXPR): Define.
1604 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1605 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1606 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1607 creating a circular free list.
1608 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1610 * tree-flow.h (move_sese_region_to_fn): Declare.
1611 (record_vars_into): Declare.
1612 * tree-cfg.c (make_omp_sections_edges): New.
1613 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1614 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1615 OMP_SECTIONS and OMP_SECTION.
1616 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1617 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1618 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1619 (gather_blocks_in_sese_region): New.
1620 (struct move_stmt_d): Declare.
1622 (move_block_to_fn): New.
1623 (move_sese_region_to_fn): New.
1625 * passes.c (init_optimization_passes): Schedule
1626 pass_expand_omp after pass_init_datastructures.
1628 * tree-ssa-operands.c (get_expr_operands): Handle
1629 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1630 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1632 2006-01-19 Jeff Law <law@redhat.com>
1634 * tree-vrp.c (extract_range_from_assert): Refine the result range
1635 if the variable referenced by the ASSERT_EXPR has a range and
1636 either the tentative result range or the previous range is a
1639 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1641 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1643 2006-01-19 Jan Hubicka <jh@suse.cz>
1645 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1647 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1649 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1650 (expand_compound_operation, expand_field_assignment): Fail if the
1651 bit lengths of an extract operation are out of range.
1652 (make_extraction): Compute wanted_inner_mode based on the position
1653 and length of the extraction. Make it extraction_mode for non-constant
1654 positions, and do not modify offset in that case. When generating a
1655 new MEM, use a mode that can hold the extraction while keeping correct
1656 alignment. Remove code that supported MEMs wrapped by USEs.
1657 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1659 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1661 * config/s390/s390.md ("Y", "y"): New mode attribute.
1662 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1663 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1664 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1665 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1666 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1667 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1668 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1669 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1670 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1671 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1672 "addsi3", "subsi3"): Insn patterns removed.
1673 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1674 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1675 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1676 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1677 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1678 "*sub<mode>3_cconly2"): New insn patterns.
1679 ("addsi3", "subsi3"): New expanders.
1681 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1683 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1684 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1685 existing STMT_VINFO_VECTYPE if available.
1686 (vect_mark_relevant): Add special handling for stmts that are
1687 marked as STMT_VINFO_IN_PATTERN_P.
1688 (vect_analyze_loop): Call vect_pattern_recog.
1689 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1690 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1692 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1693 (vect_recog_func_ptr): New function-pointer type.
1694 * tree-vect-patterns.c: New file.
1695 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1696 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1697 (vect_pattern_recog_1): New functions.
1698 (vect_pattern_recog_funcs): New array of function pointers.
1700 * tree-vectorizer.h (ternary_op): New enum value.
1701 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1702 declaration. Revised documentation. Removed redundant dump prints.
1703 Removed redundant argument. Added support for reduction patterns.
1704 (vectorizable_reduction): Added support for reduction patterns.
1705 (vect_transform_stmt): Added support for patterns.
1707 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1708 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1709 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1710 (expand_widen_pattern_expr): New function.
1711 (init_optabs): Initialize new optabs udot_prod_optab,
1713 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1714 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1715 (expand_widen_pattern_expr): New function declaration.
1716 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1718 * tree-inline.c (estimate_num_insns_1): Added cases for new
1719 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1720 * tree-pretty-print.c (dump_generic_node): Likewise.
1721 (op_prio): Likewise.
1722 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1723 * tree-ssa-operands.c (get_expr_operands): Added case for
1725 * tree-vect-patterns.c (widened_name_p): New function.
1726 (vect_recog_dot_prod_pattern): Added function implementation.
1727 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1728 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1729 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1730 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1732 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1733 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1734 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1735 (init_optabs): Initialize new optabs widen_ssum_optab,
1737 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1738 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1739 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1740 use instead of type of def.
1741 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1742 function implementation.
1743 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1744 widen_ssumv8hi): New.
1746 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1749 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1752 * c-decl.c (add_flexible_array_elts_to_size): New function.
1753 (finish_decl): Use it.
1755 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1757 * diagnostic.h: Include options.h.
1758 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1759 dependancies for diagnostic.h.
1760 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1762 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1764 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1765 (ssa_ro_call_cache_valid): Ditto.
1766 * tree-ssa-alias.c (sort_tags_by_id): New function.
1767 (init_transitive_clobber_worklist): Ditto.
1768 (add_to_worklist): Ditto.
1769 (mark_aliases_call_clobbered): Ditto.
1770 (compute_tag_properties): Ditto.
1771 (set_initial_properties): Ditto.
1772 (compute_call_clobbered): Ditto.
1773 (compute_may_aliases): Call compute_call_clobbered and grouping.
1774 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1775 (compute_flow_insensitive_aliasing): Grouping now happens in our
1777 (setup_pointers_and_addressables): Remove clobbering related code.
1778 (add_may_alias): Ditto.
1779 (replace_may_alias): Ditto.
1780 (get_nmt_for): Ditto.
1781 (create_global_var):
1782 (is_escape_site): Return an escape_type enumeration.
1783 * tree-flow-inline.h (is_call_clobbered): Global var does not
1784 imply call clobbered.
1785 (mark_call_clobbered): Take a reason for marking this. Remove
1786 marking of globalness, and cache invalidation.
1787 (clear_call_clobbered): Remove cache invalidation code.
1788 * tree-dfa.c (dump_variable): If details is on, dump the reason
1790 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1792 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1793 (struct var_ann_d): Ditto.
1794 (enum escape_type): New.
1795 (mark_call_clobbered): Adjust prototype.
1796 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1797 are never call clobbered.
1798 Record reasons for escaping.
1799 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1800 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1801 (ssa_ro_call_cache_valid): Ditto.
1802 (clobbered_v_may_defs): Ditto.
1803 (clobbered_vuses): Ditto.
1804 (ro_call_vuses): Ditto.
1805 (clobber_stats): New.
1806 (init_ssa_operands): Zero out clobber stats.
1807 (fini_ssa_operands): Print out clobber stats.
1808 (get_call_expr_operands): Pass callee fndecl to
1810 (add_call_clobber_ops): Remove use of cache.
1811 Add use of PURE_CONST information.
1812 (add_call_read_ops): Remove use of cache.
1813 Add use of static not_read information.
1815 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1817 Introduce TLS descriptors for i386 and x86_64.
1818 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1819 (TARGET_ANY_GNU_TLS): New macro.
1820 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1821 (struct machine_function): Add tls_descriptor_call_expanded_p.
1822 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1823 (ix86_current_function_calls_tls_descriptor): Likewise.
1824 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1825 (override_options): Introduce gnu2 tls dialect.
1826 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1828 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1830 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1831 (ix86_init_machine_status): Initialize new field.
1832 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1833 (ix86_tls_module_base): New.
1834 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1835 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1836 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1837 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1838 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1839 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1840 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1841 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1842 * config/i386/predicates.md (tls_modbase_operand): New.
1843 (tp_or_register_operand): New.
1845 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1847 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1848 (look_for_address_of): Ditto.
1849 (ipa_init): Walk the function decls.
1850 (static_execute): Don't set readonly on FUNCTION_DECL's.
1852 2006-01-18 Roger Sayle <roger@eyesopen.com>
1854 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1855 for shifts where the source and destination registers are different.
1857 2006-01-18 Paul Brook <paul@codesourcery.com>
1859 Merge from csl-arm-branch.
1860 2005-03-14 Julian Brown <julian@codesourcery.com>
1861 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1862 (aeabi_llsl): Likewise.
1863 (ashrdi3): Likewise.
1864 (aeabi_lasr): Likewise.
1865 (lshrdi3): Likewise.
1866 (aeabi_llsr): Likewise.
1867 2005-03-10 Julian Brown <julian@codesourcery.com>
1868 * config.gcc: Disable shared libgcc for SymbianOS.
1869 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1871 2006-01-18 DJ Delorie <dj@redhat.com>
1873 * c-pragma.c (handle_pragma_diagnostic): New.
1874 (init_pragma): Register it.
1875 * doc/extend.texi: Document it.
1877 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1878 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1879 (diagnostic_context): Add classify_diagnostic[].
1880 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1881 as errors if they're overridden to DK_WARNING.
1882 (diagnostic_initialize): Initialize classify_diagnostic[].
1883 (diagnostic_set_kind_override): New.
1884 (diagnostic_report_diagnostic): Check for kind changes.
1885 * opts.c (common_handle_option): Take lang_mask. Update callers.
1887 * common.opt (Werror=): New.
1888 * doc/invoke.texi: Document -Werror=*
1890 2006-01-18 Jeff Law <law@redhat.com>
1892 * tree-vrp.c (test_for_singularity): Correct test for new
1893 min limit. Use operand_equal_p rather than pointer equality
1894 for testing if new min/max values are equal.
1896 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1897 using range information until after propagation and folding.
1899 2006-01-18 Richard Henderson <rth@redhat.com>
1900 Aldy Hernandez <aldyh@redhat.com>
1901 Jakub Jelinek <jakub@redhat.com>
1902 Diego Novillo <dnovillo@redhat.com>
1904 * omp-low.c: New file.
1905 * c-omp.c: New file.
1907 2006-01-18 Richard Henderson <rth@redhat.com>
1908 Jakub Jelinek <jakub@redhat.com>
1909 Diego Novillo <dnovillo@redhat.com>
1911 * doc/invoke.texi: Document -fopenmp.
1912 * tree-dump.h (debug_function): Declare.
1913 * hooks.c (hook_bool_tree_bool_false): New function.
1914 (hook_tree_tree_null): Remove.
1915 (hook_tree_tree_tree_null): New.
1916 * hooks.h: Update to match.
1917 * tree-pretty-print.c (debug_tree_chain): New.
1918 (print_generic_expr): Handle TDF_CHAIN.
1919 (dump_generic_node): Handle BLOCK.
1920 Do not abort with incomplete SWITCH_EXPRs.
1921 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1922 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1923 print space after directive name.
1924 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1925 Handle OMP_MASTER and OMP_ORDERED.
1926 Handle printing of OMP_BODY just in one place, goto
1927 dump_omp_body in the rest of OMP_* nodes that have
1929 Don't handle clause nodes here. Update omp statements to
1930 use dump_omp_clauses.
1931 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1932 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1933 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1934 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1935 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1936 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1937 Adjust output for GOMP_PARALLEL.
1938 (dump_omp_clauses): New.
1939 (print_declaration): Dump DECL_VALUE_EXPR.
1940 (op_symbol_1): Split out of op_symbol.
1941 (dumping_stmts): Remove. Update all users.
1942 * cgraph.c (cgraph_analyze_queue): New.
1943 (cgraph_add_new_function): New.
1944 * cgraph.h (cgraph_analyze_queue): Declare.
1945 (cgraph_add_new_function): Declare.
1946 (cgraph_lower_function): Remove.
1947 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1948 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1949 and TYPE_P nodes in its default clause.
1950 (empty_body_p): New.
1951 (tree_range_check_failed): New.
1953 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1954 OMP_CLAUSE_REDUCTION_MERGE,
1955 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1956 OMP_CLAUSE_PRIVATE_DEBUG,
1957 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1958 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1959 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1960 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1961 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1962 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1963 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1964 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1965 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1966 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1967 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1968 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1969 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1970 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1971 (TREE_RANGE_CHECK): New.
1972 (empty_body_p): Declare.
1973 (enum omp_clause_default_kind): New.
1974 (build_string_literal): Declare.
1975 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1976 (build5_stat, build5): Declare.
1977 * tree-pass.h (TDF_CHAIN): Define.
1978 * tree-pass.h (PROP_gimple_lomp): Define.
1979 (pass_lower_omp): Declare.
1980 * diagnostic.h (debug_tree_chain): Declare.
1981 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1983 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1984 * builtins.c (build_string_literal): Make extern.
1985 * gcc.c (include_spec_function): New.
1986 (static_spec_functions): Add it.
1987 (main): Move load of libgomp.spec ...
1988 (LINK_COMMAND_SPEC): ... here.
1989 (link_gomp_spec): New.
1990 (static_specs): Include it.
1991 (LINK_COMMAND_SPEC): Add link_gomp.
1992 (GOMP_SELF_SPECS): New.
1993 (driver_self_specs): Include it.
1994 (switch_matches): Don't mark inline.
1995 (main): Load libgomp.spec.
1996 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1997 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1998 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1999 * tree-gimple.h (enum omp_parallel): Declare.
2000 (determine_parallel_type): Declare.
2001 (omp_firstprivatize_variable): Declare.
2002 (omp_reduction_init): Declare.
2003 (diagnose_omp_structured_block_errors): Declare.
2004 (struct walk_stmt_info): Add want_return_expr.
2005 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2006 (find_omp_clause): Declare.
2007 (insert_field_into_struct): Declare.
2008 (struct walk_stmt_info): Move from tree-nested.c
2009 (walk_stmts): Declare.
2010 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2012 * cgraphunit.c (cgraph_lower_function): Make static.
2013 (cgraph_finalize_pending_functions): New.
2014 (cgraph_finalize_function): Call it.
2015 (cgraph_finalize_compilation_unit): Likewise.
2016 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2017 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2018 (BT_FN_UINT_UINT): New.
2019 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2020 DEF_FUNCTION_TYPE_VAR_4): Document.
2021 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2022 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2023 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2024 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2025 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2026 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2027 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2028 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2029 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2030 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2031 into separate files.
2032 (DEF_GOMP_BUILTIN): New.
2033 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2034 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2035 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2036 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2037 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2038 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2039 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2040 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2041 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2042 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2043 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2044 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2045 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2046 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2047 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2048 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2049 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2050 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2051 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2052 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2053 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2054 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2055 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2056 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2057 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2058 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2059 * sync-builtins.def: New file, moved from builtins.def.
2060 * omp-builtins.def: New file, moved from builtins.def.
2061 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2062 * gimple-low.c (lower_function_body): Clear data.
2063 (lower_stmt): Do not handle COMPOUND_EXPR.
2064 Remove call to print_node_brief.
2065 * c-tree.h (c_finish_omp_clauses): New prototype.
2066 (C_DECL_THREADPRIVATE_P): Define.
2067 (lookup_name_no_remap, c_omp_remap_private): Remove
2068 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2069 (check_for_loop_decls): Update decl.
2070 (lookup_name_no_remap, c_omp_remap_private): Declare.
2071 (build_indirect_ref, build_modify_expr, pushdecl,
2072 pushdecl_top_level): Move to c-common.h.
2073 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2074 before the switch, but just in the 2 places that need it.
2075 * c-decl.c (diagnose_mismatched_decls): Do not check for
2076 mismatched thread-local attributes when OLDDECL is marked
2077 threadprivate and NEWDECL has no thread-local attributes.
2078 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2079 (c_gimple_diagnostics_recursively): Rename from
2080 c_warn_unused_result_recursively. Invoke
2081 diagnose_omp_structured_block_errors.
2082 (check_for_loop_decls): Return a singular decl found.
2083 * langhooks.c (lhd_omp_predetermined_sharing): Return
2084 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2085 (lhd_omp_firstprivatize_type_sizes): New.
2086 (lhd_omp_assignment): New.
2087 (lhd_omp_predetermined_sharing): New.
2088 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2089 (struct lang_hooks_for_types): Add
2090 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2091 omp_predetermined_sharing, omp_disregard_value_expr,
2092 omp_private_debug_clause, omp_clause_default_ctor,
2093 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2094 (c_finish_omp_clauses): New.
2095 (c_finish_bc_stmt): Diagnose break within omp for.
2096 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2097 (build_unary_op): Return error_mark after reporting
2099 (build_modify_expr): Likewise.
2100 * gimplify.c: Include optabs.h and pointer-set.h.
2101 (enum gimplify_omp_var_data): Declare.
2102 (struct gimplify_omp_ctx): Declare.
2103 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2105 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2106 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2107 (splay_tree_compare_decl_uid): New.
2108 (new_omp_context): New.
2109 (delete_omp_context): New.
2110 (gimple_add_tmp_var): Call omp_add_variable.
2111 (gimplify_bind_expr): Likewise.
2112 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2113 true, disregard DECL_VALUE_EXPR on the decl if any.
2114 (gimplify_expr_in_ctx): New.
2115 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2116 omp_add_variable, omp_notice_variable, omp_is_private
2117 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2118 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2119 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2120 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2121 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2122 gimplify_omp_atomic): New.
2123 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2124 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2125 OMP_CRITICAL and OMP_ATOMIC.
2126 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2127 * c-pragma.h (enum pragma_kind): Add
2128 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2129 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2130 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2131 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2132 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2133 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2134 PRAGMA_OMP_THREADPRIVATE.
2135 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2136 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2137 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2138 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2139 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2140 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2141 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2142 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2143 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2144 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2145 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2146 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2147 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2149 (struct nesting_info): Add field_map,
2150 suppress_expansion, debug_var_chain.
2151 (create_nesting_tree): Initialize them.
2152 (lookup_field_for_decl): Use field_map.
2153 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2154 (convert_local_omp_clauses): New.
2155 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2156 (walk_body): Split out of walk_function.
2157 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2158 (convert_nonlocal_reference): Handle omp statements.
2159 (convert_local_reference): Likewise.
2160 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2161 (unnest_nesting_tree): New.
2162 (lower_nested_functions): Call it.
2163 (insert_field_into_struct): Make extern.
2164 (struct walk_stmt_info): Move to tree-gimple.h.
2165 (walk_stmts): Make extern.
2166 * omp-builtins.def: New file.
2167 * tree-iterator.c (expr_only): Clarify comment.
2168 * c-common.h (pushdecl_top_level, pushdecl,
2169 build_modify_expr, build_indirect_ref,
2170 c_finish_omp_master, c_finish_omp_critical,
2171 c_finish_omp_ordered, c_finish_omp_barrier,
2172 c_finish_omp_atomic, c_finish_omp_flush,
2173 c_finish_omp_for, c_split_parallel_clauses,
2174 omp_clause_default_kind, c_omp_sharing_predetermined,
2175 c_omp_remap_decl): Declare.
2176 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2177 (OBJS-common): Add omp-low.o.
2178 (c-omp.o, omp-low.o): Add.
2179 (gimplify.o): Add dependency on $(OPTABS_H).
2180 (GTFILES): Add omp-low.c.
2181 (gt-stringpool.h): Add.
2182 * tree-cfg.c (set_bb_for_stmt): Do not update the
2183 block-to-labels map if we are currently expanding to RTL.
2184 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2186 Handle IDENTIFIER_NODE.
2187 (tree_verify_flow_info): Do not ICE when emitting error
2188 messages about invalid labels.
2189 (dump_function_to_file): Reset CFUN before emitting the body
2191 (debug_function): New.
2192 * passes.c (init_optimization_passes): Schedule
2194 * langhooks-def.h (lhd_omp_predetermined_sharing,
2195 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2197 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2198 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2199 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2200 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2201 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2202 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2203 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2204 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2205 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2206 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2207 (LANG_HOOK_DECLS): Use them.
2209 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2210 Richard Henderson <rth@redhat.com>
2211 Jakub Jelinek <jakub@redhat.com>
2212 Diego Novillo <dnovillo@redhat.com>
2214 * c-parser.c (pragma_omp_clause): Define.
2215 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2216 (c_parser_compound_statement): Likewise.
2217 (c_parser_statement): Likewise.
2218 (c_parser_pragma): Handle omp pragmas.
2219 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2220 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2221 (c_parser_omp_clause_name, check_no_duplicate_clause,
2222 c_parser_omp_variable_list,
2223 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2224 c_parser_omp_clause_copyprivate,
2225 c_parser_omp_clause_default,
2226 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2227 c_parser_omp_clause_lastprivate,
2228 c_parser_omp_clause_nowait,
2229 c_parser_omp_clause_num_threads,
2230 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2231 c_parser_omp_clause_reduction,
2232 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2233 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2234 c_parser_omp_atomic, c_parser_omp_barrier,
2235 c_parser_omp_critical, c_parser_omp_flush,
2236 c_parser_omp_for_loop, c_parser_omp_for,
2237 c_parser_omp_master, c_parser_omp_ordered,
2238 c_parser_omp_sections_scope, c_parser_omp_sections,
2239 c_parser_omp_parallel, c_parser_omp_single,
2240 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2241 * c-pragma.c (init_pragma): Do omp pragma registration here.
2242 * c.opt (fopenmp): New flag.
2244 2006-01-18 Eric Christopher <echristo@apple.com>
2246 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2247 * config/darwin.h (GOMP_SELF_SPECS): Define.
2249 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2251 * rtl.h: Remove the prototype for reg_alloc.
2253 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2256 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2257 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2258 sjlj and dwarf2 exception handling.
2259 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2260 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2261 * pa/pa.c (function_value): Treat complex and vector types as
2263 (function_arg): Likewise. Only pass scalar floats in the floating
2264 point argument registers.
2265 * pa/t-slibgcc-dwarf-ver: New file.
2266 * pa/t-slibgcc-sjlj-ver: New file.
2267 * pa/t-slibgcc-elf-ver: Delete file.
2269 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2271 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2272 unlikely_test_section_p test.
2274 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2276 * mode-switching.c (optimize_mode_switching): Make it static.
2277 * basic-block.h: Remove the prototype for
2278 optimize_mode_switching.
2280 * modulo-sched.c (sms_schedule): Make it static.
2281 * rtl.h: Remove the prototype for sms_schedule.
2283 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2284 * rtl.h: Remove the prototype for gcse_after_reload_main.
2286 * reg-stack.c (reg_to_stack): Make it static.
2287 * rtl.h: Remove the prototype for reg_to_stack.
2289 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2291 * rtl.h: Remove the prototypes for regrename_optimize and
2292 copyprop_hardreg_forward.
2294 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2296 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2297 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2298 Test against the appropriate null constant for the mode.
2299 If 'fixup_overlap' is true, swap the operands if they overlap.
2300 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2301 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2302 alpha_split_tmode_pair and adjust for above change.
2303 * config/alpha/alpha.md (movtf_internal): Adjust call to
2304 alpha_split_tfmode_pair and rely on it to swap the operands.
2305 (movti_internal): New insn and post-reload splitter.
2306 (movti): New expander.
2308 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2310 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2313 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2315 * rtlanal.c (global_reg_mentioned_p_1,
2316 global_reg_mentioned_p): Remove.
2317 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2319 * flow.c (initialize_uninitialized_subregs): Make it static.
2320 * rtl.h: Remove the prototype for
2321 initialize_uninitialized_subregs.
2323 * function.c (instantiate_virtual_regs): Make it static.
2324 * function.h: Remove the prototype for
2325 instantiate_virtual_regs.
2327 * regmove.c (regmove_optimize, combine_stack_adjustments):
2329 * rtl.h: Remove the prototypes for regmove_optimize and
2330 combine_stack_adjustments.
2332 2006-01-17 Roger Sayle <roger@eyesopen.com>
2334 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2335 (size_cost): Encode costs in bytes so that a reg-reg addition is
2336 equivalent to COSTS_N_INSNS(1).
2337 (override_options): Use the size_cost.branch_cost as the default
2338 ix86_branch_cost when optimizing for size.
2340 2006-01-18 Ben Elliston <bje@au.ibm.com>
2342 * Makefile.in (D32PBIT_FUNCS): New.
2343 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2344 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2345 D64PBIT_FUNCS and D128PBIT_FUNCS.
2346 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2347 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2349 (decnumber_dep): Define.
2350 * doc/libgcc.texi (Decimal float library routines): New node.
2351 * config/dfp-bit.h, config/dfp-bit.c: New files.
2353 2006-01-18 Ben Elliston <bje@au.ibm.com>
2355 * expr.c (emit_move_change_mode): Always adjust addresses, not
2356 just during reload. Copy replacements only during reload.
2357 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2358 emit_move_via_integer.
2360 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2362 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2363 instead of $(srcdir) and ${srcdir}.
2365 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2369 * arm.h (struct machine_function): Add pic_reg.
2370 * arm.c (arm_pic_register): Make unsigned.
2371 (arm_override_options): Only set arm_pic_register if
2372 TARGET_SINGLE_PIC_BASE.
2373 (use_return_insn): Only test for a pic register if it is fixed.
2374 (arm_compute_save_reg0_reg12_mask): Likewise.
2375 (thumb_compute_save_reg_mask): Likewise.
2376 (legitimate_pic_operand): Factor out some known invariants.
2377 (legitimize_pic_address): If we don't have a fixed pic register,
2378 then set up a pseudo in the function entry sequence. Handle the
2379 pic base being in a pseudo.
2380 (arm_load_pic_register): Handle the pic register being in a pseudo.
2381 (arm_expand_prologue): Only set up the pic register if it is fixed.
2382 (thumb_expand_prologue): Likewise.
2383 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2384 (pic_load_addr_based_insn): Likewise.
2385 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2388 2006-01-18 Ben Elliston <bje@au.ibm.com>
2390 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2391 decimal float modes for all floating point registers.
2393 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2394 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2396 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2399 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2400 even when the pointer is not NULL.
2402 2006-01-16 Ian Lance Taylor <ian@airs.com>
2404 * common.opt (ftoplevel-reorder): New option.
2405 * cgraph.c (cgraph_asm_nodes): New global variable.
2406 (cgraph_asm_last_node): New static variable.
2407 (cgraph_order): New global variable.
2408 (cgraph_create_node): Set new order field.
2409 (cgraph_varpool_node): Likewise.
2410 (decide_is_variable_needed): Return true if not
2411 flag_toplevel_reorder.
2412 (cgraph_add_asm_node): New function.
2413 * cgraph.h (struct cgraph_node): Add order field.
2414 (struct cgraph_varpool_node): Add order field.
2415 (struct cgraph_asm_node): Define.
2416 (cgraph_asm_nodes, cgraph_order): Declare.
2417 (cgraph_add_asm_node): Declare.
2418 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2420 (cgraph_varpool_assemble_pending_decls): Call it.
2421 (cgraph_output_pending_asms): New static function.
2422 (cgraph_finalize_compilation_unit): Call it.
2423 (struct cgraph_order_sort): Define.
2424 (cgraph_output_in_order): New static function.
2425 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2426 !flag_toplevel_reorder case.
2427 * c-parser.c: Include "cgraph.h".
2428 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2430 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2431 than -fno-unit-at-a-time.
2432 * doc/invoke.texi (Option Summary): Mention
2433 -fno-toplevel-reorder.
2434 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2435 -funit-at-a-time documentation.
2437 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2438 Kazu Hirata <kazu@codesourcery.com>
2440 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2442 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2444 * Makefile.in (FUNCTION_H): New. Use it instead of
2445 function.h throughout the file.
2446 * function.h: Include tree.h.
2448 2006-01-17 Ben Elliston <bje@au.ibm.com>
2450 * recog.c: Separate some functions with whitespace.
2452 2006-01-16 Richard Henderson <rth@redhat.com>
2454 Merge from gomp branch:
2455 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2456 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2457 and rename from struct inline_data. Rename callee* to dst*;
2458 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2459 transform_new_cfg, transform_return_to_modify, and
2460 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2462 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2463 (copy_decl_for_dup): Remove.
2464 * tree-inline.c (struct inline_data): Move to header.
2465 (insert_decl_map): Export.
2466 (remap_decl): Update for member name changes. Use copy_decl hook.
2467 Allow for replacement to be a non-decl. Remove dead code.
2468 (remap_type_1): Check for existing mapping.
2469 (remap_type): Export.
2470 (remap_decls): Update for member name changes.
2471 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2472 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2473 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2474 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2475 (tree_function_versioning, build_duplicate_type): Likewise.
2476 (copy_body_r): Likewise. Export.
2477 (copy_decl_for_dup): Split into ...
2478 (copy_decl_for_dup_finish, copy_decl_to_var,
2479 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2480 (replace_ref_tree, inlining_p): Remove.
2482 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2484 * ifcvt.c (if_convert): Make it static.
2485 * rtl.h: Remove the prototype for if_convert.
2487 * local-alloc.c (local_alloc): Make it static.
2488 * rtl.h: Remove the prototype for local_alloc.
2490 * loop.c (loop_optimize): Make it static.
2491 * cfgloop.h: Remove the prototype for loop_optimize.
2494 2006-01-16 DJ Delorie <dj@redhat.com>
2496 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2499 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2501 * pa.md: Disparage copies between general and floating-point registers
2502 in 32-bit move patterns.
2504 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2507 * Makefile.in (check-%): Depend on site.exp instead of
2508 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2511 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2513 * global.c (global_alloc): Make it static.
2514 * rtl.h: Remove the prototype for global_alloc.
2516 2006-01-16 Richard Guenther <rguenther@suse.de>
2518 * tree-ssa-alias.c (struct used_part): Add write_only field.
2519 (get_or_create_used_part_for): Initialize it to true.
2520 (create_overlap_variables_for): Don't create structure variables
2521 for structures that only are written to.
2522 (find_used_portions): Handle MODIFY_EXPR to track whether a
2523 structure is only written to.
2525 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2527 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2529 * basic-block.h: Remove the prototype for
2530 partition_hot_cold_basic_blocks.
2532 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2534 * cppspec.c (lang_specific_spec_functions): Remove.
2535 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2536 * gcc.h (lang_specific_spec_functions): Remove.
2537 * gccspec.c (lang_specific_spec_functions): Remove.
2539 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2541 * combine.c (record_value_for_reg): Invalidate registers
2543 (record_dead_and_set_regs_1): Likewise, by passing them to
2544 record_value_for_reg.
2545 (record_dead_and_set_regs): Invalidate stores made by a
2546 call. We do not combine across a call, but we still
2547 relied on equivalences.
2549 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2551 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2552 vrp_int_const_binop returning non-constant nodes.
2554 2006-01-16 Paul Brook <paul@codesourcery.com>
2556 * config/m68k/m68k.c (output_move_const_into_data_reg):
2557 Output correct mnemonic for mvz and mvs.
2559 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2561 * rtl-factoring.c: Add sequence abstraction algorithm.
2562 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2563 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2565 (block_has_preserve_label): New function.
2566 * common.opt: Register new pass.
2567 * Makefile.in: Ditto.
2569 * timevar.def: Ditto.
2570 * tree-pass.h: Ditto.
2571 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2572 * rtl.h (make_jump_insn_raw): Add forward decl.
2573 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2575 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2576 Roger Sayle <roger@eyesopen.com>
2578 * fold-const.c (fold_minmax): New static function.
2579 (fold_binary) <MIN_EXPR>: Call it.
2580 <MAX_EXPR>: Likewise.
2581 * stor-layout.c (place_field): Use DECL_SIZE consistently
2582 in the computation of the new record size.
2584 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2586 * cse.c (cse_condition_code_reg): Make it static.
2587 * rtl.h: Remove the prototype for cse_condition_code_reg.
2589 * combine.c (combine_instructions): Make it static.
2590 * rtl.h: Remove the prototype for combine_instructions.
2592 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2595 * tree.c (get_file_function_name_long): Concatenate the first global
2596 object name with a string derived from the input filename of the object
2599 2006-01-16 Ben Elliston <bje@au.ibm.com>
2601 * config/i386/winnt-stubs.c: Update FSF address.
2602 * config/xtensa/ieee754-df.S: Ditto.
2603 * config/xtensa/ieee754-sf.S: Ditto.
2605 2006-01-14 Ian Lance Taylor <ian@airs.com>
2607 * ifcvt.c (noce_init_if_info): New static function, broken out of
2608 noce_process_if_block.
2609 (noce_process_if_block): Call noce_init_if_info.
2610 (check_cond_move_block): New static function.
2611 (cond_move_process_if_block): New static function.
2612 (process_if_block): Call cond_move_process_if_block.
2614 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2616 * cselib.c (hash_table): Rename to cselib_hash_table.
2617 (cselib_clear_table, discard_useless_values,
2618 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2619 cselib_init, cselib_finish): Adjust uses of hash_table.
2621 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2623 PR tree-optimization/25485
2624 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2625 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2626 is known to be false and true, respectively.
2628 2006-01-14 Richard Guenther <rguenther@suse.de>
2630 PR tree-optimization/22548
2631 PR tree-optimization/22555
2632 PR tree-optimization/22501
2633 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2634 * params.def (salias-max-array-elements): New parameter.
2635 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2636 * doc/invoke.texi (salias-max-array-elements): Document.
2637 * tree-flow-inline.h (var_can_have_subvars): We also handle
2639 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2641 * tree-ssa-structalias.c (params.h): Include.
2642 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2643 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2644 (get_constraint_for): For ADDR_EXPR operating on something
2645 containing an ARRAY_REF, add all subvars to the solution.
2646 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2647 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2648 for creating MUST_DEFs.
2649 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2651 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2653 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2655 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2656 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2657 number_of_iterations_le): New functions.
2658 (number_of_iterations_special): Removed.
2659 (number_of_iterations_exit): Do not use number_of_iterations_special.
2660 * tree.c (unsigned_type_for): Always return integer type.
2662 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2663 Richard Guenther <rguenther@suse.de>
2665 PR rtl-optimization/24257
2666 * gcse.c (find_moveable_store): Only consider a store movable
2667 when the SET_SRC of the insn can be assigned to a register.
2669 2006-01-14 Ian Lance Taylor <ian@airs.com>
2671 * tree.c (tree_not_class_check_failed): New function.
2672 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2673 (tree_not_class_check_failed): Declare.
2675 2006-01-13 Ian Lance Taylor <ian@airs.com>
2677 * reload1.c (do_output_reload): Add assertion rejecting a
2680 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2682 * combine.c (struct reg_stat): Add new fields truncation_label and
2684 (record_value_for_reg): Reset truncated_to_mode.
2685 (record_truncated_value): New function.
2686 (check_promoted_subreg): Call it. Rename to check_conversions.
2687 (combine_instructions): Rename check_promoted_subreg to
2689 (reg_truncated_to_mode): New function.
2690 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2691 (gen_lowpart_or_truncate): New function.
2692 (force_to_mode): Use it instead of gen_lowpart.
2694 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2696 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2697 VAR is a tag, not its type tag.
2699 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2701 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2702 alternatives to match style of other entries.
2703 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2705 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2707 PR tree-optimization/25771
2708 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2711 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2714 * tree-inline.c (declare_return_variable): If the return variable
2715 was marked as a non gimple complex, set the return slot variable
2716 to be a non gimple comple variable.
2718 2006-01-13 Richard Guenther <rguenther@suse.de>
2720 * builtins.c (expand_builtin_sincos): New function.
2721 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2723 (expand_builtin): Expand sincos using expand_builtin_sincos.
2725 2006-01-12 DJ Delorie <dj@redhat.com>
2727 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2728 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2729 so that constant shifts can be split.
2730 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2731 (m32c_valid_pointer_mode): Make static.
2732 (shift_gen_func_for): New.
2733 (m32c_prepare_shift): Use it. Split large const shifts into
2735 * config/m32c/predicates.md (shiftcount_operand): Allow more
2737 (longshiftcount_operand): New.
2738 * doc/md.texi (Machine Constraints): Document In6.
2740 2006-01-13 Ben Elliston <bje@au.ibm.com>
2742 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2743 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2746 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2748 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2749 to try to avoid clobbering pieces of structures when we know
2750 something about the whole structure.
2751 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2753 2006-01-13 Ben Elliston <bje@au.ibm.com>
2755 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2756 return in memory, as this is no limitation is no longer present.
2758 2006-01-12 DJ Delorie <dj@redhat.com>
2760 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2761 mova with fb, and for fb+0 -> An.
2763 * config/m32c/mov.md (peephole2): Fix enabling logic.
2765 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2766 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2767 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2768 FINI_ARRAY_SECTION_ASM_OP): Define.
2770 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2772 (m32c_legitimize_reload_address): New logic to reload FB to An.
2773 (m32c_output_reg_push): Add newline.
2774 (m32c_output_reg_pop): Likewise.
2776 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2778 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2780 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2782 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2784 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2786 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2789 2006-01-11 Ben Elliston <bje@au.ibm.com>
2791 * rtlanal.c (find_reg_note): Assert insn is not null.
2793 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2795 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2798 2006-01-11 Jeff Law <law@redhat.com>
2800 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2802 (mark_threaded_blocks, register_jump_thread): New functions.
2803 (thread_through_all_blocks): Remove unwanted argument. No
2804 longer rely on e->aux to communicate thread target info.
2805 Call mark_threaded_blocks. Release the threaded_blocks
2806 bitmap and threaded_edges vector when complete.
2807 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2808 (threaded_blocks): Remove.
2809 (tree_ssa_dominator_optimize): Remove initialization and
2810 finalization of threaded_blocks. Simplify call to
2811 thread_through_all_blocks.
2812 (thread_across_edge): Call register_jump_thread rather than
2813 storing thread information into e->aux.
2814 (free_all_edge_infos): Simplify now that e->aux is no longer
2815 used to communicate with thread_through_all_blocks.
2816 * tree-flow.h (thread_through_all_blocks): Update prototype.
2817 (register_jump_thread): Prototype.
2819 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2821 * df-core.c (df_compact_blocks, df_bb_replace): Use
2822 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2824 2006-01-11 Richard Guenther <rguenther@suse.de>
2826 PR tree-optimization/25734
2827 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2828 stop propagation after successful propagation to the LHS.
2830 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2832 * basic-block.h (control_flow_graph): Change the type of
2833 x_basic_block_info to VEC(basic_block,gc) *.
2834 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2836 (SET_BASIC_BLOCK): New.
2837 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2838 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2839 * cfgbuild.c (find_basic_blocks): Likewise.
2840 * cfglayout.c (fixup_reorder_chain): Likewise.
2841 * cfgrtl.c (create_basic_block_structure,
2842 rtl_create_basic_block): Likewise.
2843 * ifcvt.c (find_if_case_1): Likewise.
2844 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2847 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2849 * Makefile.in: Removed rotted odf.c entry.
2851 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2854 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2855 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2856 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2857 output pattern modifier, not %e.
2858 * config/cris/cris.c (cris_op_str): Update comment about pattern
2860 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2861 before falling through into...
2862 <case 'E'>: Redefined from old 'e' case.
2864 2006-01-11 Jan Hubicka <jh@suse.cz>
2867 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2869 2006-01-11 Jan Hubicka <jh@suse.cz>
2871 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2872 * i386.c (x86_decompose_lea): Kill.
2873 (ix86_rtx_costs): Kill.
2875 2006-01-11 Jan Hubicka <jh@suse.cz>
2877 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2878 * cgraph.h (cgraph_node): Add inline_decl.
2879 (cgraph_insert_node_to_hashtable): Declare.
2880 (save_inline_function_body): Declare.
2881 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2883 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2884 (cgraph_function_versioning): Update call of tree_function_versioning.
2885 (save_inline_function_body): New function.
2886 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2887 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2888 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2889 (cgraph_default_inline_p): Likewise.
2890 (cgraph_decide_inlining_incrementally): Likewise.
2891 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2892 (copy_bb): Kill saving; do updating of clones.
2893 (copy_cfg_body): Kill saving.
2894 (initialize_inlined-parameters): Likewise.
2895 (expand_call_inline): Likewise.
2897 (tree_function_versioning): New parameter "update_clones".
2898 (inlining_p): Kill saving.
2899 * tree-inline.h (tree_function_versioning): Update prototype.
2900 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2903 2006-01-11 Ian Lance Taylor <ian@airs.com>
2905 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2906 Allow undoing set of machine mode.
2907 (do_SUBST): Use enums instead of is_int.
2908 (do_SUBST_MODE): New function.
2909 (SUBST_MODE): New macro.
2910 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2911 reg and trying to replace reg_regno_rtx with a new register.
2912 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2913 (simplify_set): Use SUBST_MODE.
2914 (distribute_notes): Remove code that tried to update reg notes
2915 for regno_reg_rtx changes.
2917 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2919 PR tree-optimization/23109
2920 PR tree-optimization/23948
2921 PR tree-optimization/24123
2923 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2924 * tree-cfg.c (single_noncomplex_succ): New.
2925 * tree-flow.h (single_noncomplex_succ): Declare it.
2926 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2927 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2928 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2929 insert_bb, register_division_in, insert_reciprocals,
2930 replace_reciprocal, free_bb): New.
2931 (execute_cse_reciprocals_1): Rewritten.
2932 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2933 Do not commit any edge insertion. Always compute dominators and
2934 create the allocation pool.
2935 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2936 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2937 * targhooks.c (default_min_divistions_for_recip_mul): New.
2938 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2939 * passes.c (init_optimization_passes): Run recip after tree loop
2941 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2943 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2944 Kenneth Zadeck <zadeck@naturalbridge.com>
2946 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2947 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2948 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2949 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2950 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2951 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2952 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2953 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2954 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2955 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2956 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2957 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2958 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2959 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2960 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2961 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2962 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2963 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2964 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2965 DF_SCAN_POST_ALLOC): New macros.
2966 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2967 df_free_bb_function, df_local_compute_function, df_init_function,
2968 df_dataflow_function, df_confluence_function_0,
2969 df_confluence_function_n, df_transfer_function,
2970 df_finalizer_function, df_free_function, df_dump_problem_function,
2971 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2972 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2973 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2974 df_urec_bb_info, ) New types.
2975 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2977 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2978 df_analyze_simple_change_some_blocks,
2979 df_analyze_simple_change_one_block, df_compact_blocks,
2980 df_bb_replace, df_bb_regno_last_use_find,
2981 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2982 df_insn_regno_def_p, df_find_def, df_find_use,
2983 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2984 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2985 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2986 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2987 debug_df_chain, df_get_dependent_problem, df_chain_create,
2988 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2989 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2990 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2991 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2992 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2993 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2994 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2995 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2996 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2997 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2998 df_reorganize_refs, df_set_state, df_hard_reg_init,
2999 df_read_modify_subreg_p) New public functions.
3000 * df-core.c: The core dataflow solver and glue routines for rtl
3002 (df_init, df_add_problem, df_set_blocks, df_finish,
3003 df_hybrid_search_forward, df_hybrid_search_backward,
3004 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3005 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3006 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3007 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3008 df_reg_defined, df_find_use, df_reg_used, df_dump,
3009 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3010 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3011 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3012 debug_df_useno, reset_df_after_reload): New functions.
3013 * df-scan.c: The scanning fuctions, once in df.c, completely
3014 rewritten so that they now fully model the functionality of
3015 register usage at the backend.
3016 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3017 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3018 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3019 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3020 df_get_artificial_defs, df_get_artificial_uses,
3021 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3022 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3023 df_refs_delete, df_reorganize_refs, df_set_state,
3024 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3025 df_def_record_1, df_defs_record, df_uses_record,
3026 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3027 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3028 df_record_exit_block_uses, df_hard_reg_init): New functions.
3030 * df-problems.c: Seven concrete dataflow problems that use the
3031 scanning in df-scan.c and are solved by the engine in df-core.c.
3032 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3033 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3034 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3035 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3036 df_ru_free_bb_info, df_ru_alloc,
3037 df_ru_bb_local_compute_process_def,
3038 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3039 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3040 df_ru_transfer_function, df_ru_free, df_ru_dump,
3041 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3042 df_rd_free_bb_info, df_rd_alloc,
3043 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3044 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3045 df_rd_transfer_function, df_rd_free, df_rd_dump,
3046 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3047 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3048 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3049 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3050 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3051 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3052 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3053 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3054 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3055 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3056 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3057 df_urec_mark_reg_use_for_earlyclobber,
3058 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3059 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3060 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3061 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3062 df_chain_create_bb_process_use, df_chain_create_bb,
3063 df_chain_finalize, df_chain_free, df_chains_dump,
3064 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3065 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3066 df_reg_lifetime): New functions.
3067 * df.c: Deleted file.
3068 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3069 consistent with new df api.
3070 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3071 rest_of_handle_sms): Ditto.
3072 * web.c (unionfind_union, union_defs, entry_register, web_main):
3074 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3075 invariant_expr_equal_p, find_defs, check_dependencies,
3076 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3077 free_inv_motion_data, move_loop_invariants): Ditto.
3078 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3079 Update dependencies.
3080 (odf.c): Added defective entry that was deleted later in day.
3081 * sched-deps.c (sched_analyze_1): Ditto.
3083 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3085 * tree-ssa-operands.c (get_expr_operands): Record addressable
3086 variables directly. Do not call add_stmt_operands for CONST_DECLs
3088 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3089 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3091 2006-01-11 Ben Elliston <bje@au.ibm.com>
3093 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3094 function returns true in the positive case.
3096 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3099 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3100 for SI, DI, SF and DF modes. Add alternatives to copy between
3101 general and floating point registers to the 32-bit patterns.
3102 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3103 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3104 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3105 generating 64-bit code.
3106 * config/pa/pa.c (output_move_double): Handle copies between general
3107 and floating registers.
3109 2006-01-10 Stuart Hastings <stuart@apple.com>
3111 * config/i386/i386.md (set_got): Update.
3112 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3113 (builtin_setjmp_receiver): Mach-O support.
3114 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3115 (GOT_SYMBOL_NAME): Define.
3116 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3117 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3118 * config/i386/i386.c (override_options): Revise for Darwin.
3119 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3120 support. (darwin_x86_file_end): New. (output_set_got): Add label
3121 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3122 * config/i386/i386-protos.h (output_set_got): Likewise.
3123 * config/darwin.c (machopic_legitimize_pic_address): Update
3126 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3128 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3129 when MODE isn't BLKmode.
3131 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3133 PR rtl-optimization/25367
3134 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3136 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3139 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3140 for a negative bound.
3142 2006-01-10 Richard Guenther <rguenther@suse.de>
3144 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3145 Never override with anything constraint.
3147 2006-01-10 Jan Beulich <jbeulich@novell.com>
3149 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3150 256 bits when optimize_size.
3152 2006-01-10 Jan Beulich <jbeulich@novell.com>
3154 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3156 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3157 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3160 2006-01-10 Ben Elliston <bje@au.ibm.com>
3162 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3164 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3165 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3166 (USE_FP_FOR_ARG): Reject decimal float modes.
3167 (function_arg_advance): Likewise.
3168 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3169 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3170 point types in AltiVec vectors.
3171 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3172 (rs6000_libcall_value): Likewise.
3174 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3176 * config/xtensa/ieee754-df.S: New file.
3177 * config/xtensa/ieee754-sf.S: New file.
3178 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3179 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3180 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3182 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3184 * config/sh/predicates.md (binary_float_operator,
3185 binary_logical_operator, commutative_float_operator,
3186 equality_comparison_operator, greater_comparison_operator,
3187 less_comparison_operator, logical_operator,
3188 noncommutative_float_operator, shift_operator,
3189 symbol_ref_operand, unary_float_operator): Remove redundant
3192 2006-01-09 Jeff Law <law@redhat.com>
3194 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3195 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3196 now unused arguments. Callers updated.
3197 (eliminate_redundant_computations): Remove now unused arguments,
3199 (local_fold): Remove, no longer used.
3200 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3202 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3203 (simplify_cond): New function.
3204 (forward_propagate_into_cond): Call simplify_cond.
3206 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3208 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3209 (*vec_extractv2di_1_sse): New.
3211 2006-01-09 Ben Elliston <bje@au.ibm.com>
3213 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3215 2006-01-08 Richard Guenther <rguenther@suse.de>
3217 * tree-ssa-structalias.c (get_constraint_for): Remove
3219 (get_constraint_for_component_ref): Likewise.
3220 (do_deref): Likewise.
3221 (get_constraint_for): Likewise.
3222 (do_structure_copy): Likewise.
3223 (handle_ptr_arith): Likewise.
3224 (find_func_aliases): Likewise. Remove unused need_anyoffset
3227 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3228 Kaz Kojima <kkojima@gcc.gnu.org>
3230 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3231 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3232 (EXTRA_CONSTRAINT_C16): Remove.
3233 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3234 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3235 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3236 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3237 constants of SHmedia. Handle nested constant expressions of
3239 (andcosts): Fix the costs for SHmedia constants.
3240 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3241 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3242 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3243 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3244 (movv4hi_i, movv2si_i): Likewise.
3245 (movsi_const): Adjust the second operand of ior so to match with
3247 (movdi_const, movdi_const_32bit): Likewise.
3248 (movdi_const_16bit+1): Don't sign-extend LOW.
3249 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3251 (*double_shori): Fix the split condition. Use GEN_INT instead
3252 of get_int_mode calls. Mask lower 16-bit of the argument of
3254 (sym2GOTPLT): Remove.
3255 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3257 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3258 instead of EXTRA_CONSTRAINT_C16.
3260 2006-01-07 Ian Lance Taylor <ian@airs.com>
3261 David Edelsohn <edelsohn@gnu.org>
3263 PR rtl-optimization/25662
3264 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3265 for constant operands instead of simplify_gen_binary.
3266 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3267 after trying simplify_binary_operation
3269 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3271 * tree.c (iterative_hash_expr): Hash decls based on UID.
3273 2006-01-06 Eric Christopher <echristo@apple.com>
3275 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3276 (TARGET_UNWIND_EMIT): Fix spelling.
3277 * target.h (gcc_target): Add except_table_label.
3278 * except.c (output_function_exception_table): Use.
3279 * varasm.c (default_emit_except_table_label): New.
3280 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3282 (asm_out): Add here.
3283 * output.h (default_emit_except_table_label): Prototype.
3284 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3285 * config/darwin.c (darwin_emit_except_table_label): Define.
3286 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3288 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3290 PR tree-optimization/18527
3291 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3292 number_of_iterations_special, number_of_iterations_exit):
3293 Move base and step of an iv to a single structure. Add
3294 no_overflow flag, and use it in # of iterations analysis.
3295 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3296 folded_casts argument.
3297 (simple_iv): Pass base and step in a structure. Set no_overflow
3299 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3300 Evaluate expensiveness of computing # of iterations instead of
3301 the final expression.
3302 * tree-scalar-evolution.h (affine_iv): New structure.
3303 (simple_iv): Declaration changed.
3304 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3305 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3306 find_givs_in_stmt): Changed due to simple_iv change.
3308 2006-01-06 Jeff Law <law@redhat.com>
3311 * tree-cfg.c (bsi_replace): Rename final argument from
3312 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3313 change (stmt -> orig_stmt).
3314 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3315 (bsi_remove): Add new argument. Remove EH information
3317 (verify_eh_throw_table_statements): New function.
3318 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3320 * tree-optimize.c (execute_free_cfg_annotations): Verify
3321 the EH throw statement table after removing annotations.
3322 * except.h (verify_eh_throw_table_statements): Prototype.
3323 * tree-flow.h (bsi_remove): Update prototype.
3324 * tree-vrp.c (remove_range_assertions): Add new argument to
3326 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3327 * tree-complex.c (expand_complex_div_wide): Likewise.
3328 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3329 * tree-tailcall.c (eliminate_tailcall): Likewise.
3330 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3331 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3332 * tree-nrv.c (tree_nrv): Likewise.
3333 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3334 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3335 (combine_blocks): Likewise.
3336 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3337 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3338 (cleanup_control_flow): Likewise.
3339 (remove_forwarder_block): Likewise.
3340 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3341 * tree-sra.c (sra_replace): Likewise.
3342 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3343 (forward_propagate_single_use_vars): Likewise.
3344 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3345 * tree-inline.c (expand_call_inline): Likewise.
3346 * tree-vect-transform.c (vect_transform_loop): Likewise.
3347 * tree-outof-ssa.c (rewrite_trees): Likewise.
3348 * tree-cfg.c (make_goto_expr_edges): Likewise.
3349 (cleanup_dead_labels): Likewise.
3350 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3351 (bsi_move_before, bsi_move_after): Likewise.
3352 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3353 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3355 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3358 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3360 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3361 on non gimple variables. Also add checks at the top for decls and
3363 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3365 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3366 and IMAGPART_EXPR for creating MUST_DEFs.
3367 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3368 and NAME_MEMORY_TAG separately from the DECLs.
3370 2006-01-06 Richard Guenther <rguenther@suse.de>
3372 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3373 annotation, if necessary.
3374 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3375 redundant calls to update_stmt.
3376 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3379 2006-01-05 Richard Henderson <rth@redhat.com>
3381 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3383 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3385 * c-typeck.c: Update copyright date.
3387 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3389 * c-typeck.c (build_c_cast): Always warn when casting
3390 from a pointer to an integer of different size, even if
3391 the node was constant.
3393 2006-01-05 Richard Guenther <rguenther@suse.de>
3395 PR tree-optimization/22555
3396 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3397 if one structure field is an array.
3398 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3399 operands even if we found a subvar, but ignore VOPs in this
3401 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3403 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3405 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3408 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3410 2006-01-05 Richard Guenther <rguenther@suse.de>
3411 Diego Novillo <dnovillo@redhat.com>
3413 * tree-pass.h (TODO_remove_unused_locals): Define.
3414 * gimple-low.c (expand_var_p, remove_useless_vars,
3415 pass_remove_useless_vars): Remove. Update all users.
3416 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3417 (remove_unused_locals): New function.
3418 * tree-flow.h (remove_unused_locals): Declare.
3419 * passes.c (execute_todo): Call remove_unused_locals if
3420 TODO_remove_unused_locals is set.
3421 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3422 * tree-ssa-dce.c (pass_dce): Likewise.
3423 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3425 2006-01-05 Richard Guenther <rguenther@suse.de>
3427 * tree-flow.h (struct fieldoff): Decompose field to
3428 type, size and decl.
3429 * tree-ssa-alias.c (create_sft): Take type as parameter.
3430 (create_overlap_variables_for): Store type, size and decl
3431 in the fieldoff structure.
3432 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3434 (push_fields_onto_fieldstack): Likewise.
3435 (create_variable_info_for): Likewise. Use offset for the
3436 SFT name if the decl is not available.
3438 2006-01-04 Paul Brook <paul@codesourcery.com>
3440 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3442 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3444 * lambda-code.c (can_put_in_inner_loop): Relax
3446 (can_put_after_inner_loop): New function.
3447 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3448 (perfect_nestify): Change to make copies and modify uses.
3450 2006-01-04 Richard Henderson <rth@redhat.com>
3452 Merge from gomp branch:
3453 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3454 via integer constant.
3455 (pragma_lex): Remove.
3456 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3457 rather than parsing it.
3458 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3459 handle_pragma_extern_prefix): Add %< %> quotes.
3460 (registered_pragmas): New.
3461 (c_register_pragma_1): New.
3462 (c_register_pragma): Use it.
3463 (c_register_pragma_with_expansion): Likewise.
3464 (c_invoke_pragma_handler): New.
3465 (init_pragma): Use cpp_register_deferred_pragma directly for
3467 * c-pragma.h (enum pragma_kind): New.
3468 (pragma_handler): New.
3469 (c_invoke_pragma_handler): Declare.
3470 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3472 * c-common.h (c_common_pch_pragma): Update decl.
3473 * Makefile.in (c-parser.o): Update dependencies.
3474 (GTFILES): Add c-pragma.h.
3475 * c-parser.c (struct c_token): Add pragma_kind.
3476 (struct c_parser): Add in_pragma.
3477 (c_lex_one_token): Always initialize keyword and pragma_kind.
3478 Extract data for CPP_PRAGMA.
3479 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3480 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3481 Don't allow CPP_PRAGMA_EOL if in_pragma.
3482 (c_parser_consume_pragma): New.
3483 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3484 (c_parser_skip_to_end_of_parameter): Likewise.
3485 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3486 (c_parser_skip_to_pragma_eol): New.
3487 (c_parser_external_declaration): Handle CPP_PRAGMA.
3488 (c_parser_compound_statement_nostart): Likewise.
3489 (c_parser_statement_after_labels): Likewise.
3490 (c_parser_pragma): New.
3491 (pragma_lex): Likewise.
3492 (c_parser_pragma_pch_preprocess): New.
3493 (c_parser_new): Merge into ...
3494 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3496 2006-01-04 Jeff Law <law@redhat.com>
3499 * tree-cfg.c (bsi_replace): Remove the original statement
3500 from the EH throw statement table.
3502 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3504 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3505 make the prototype extern "C" and add throw ().
3508 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3509 and pos non-negative and pos + len <= 32.
3510 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3511 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3512 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3515 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3516 as well as sizes not multiple of component size.
3519 * function.c (instantiate_expr): New function.
3520 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3521 walk its DECL_VALUE_EXPR with instantiate_expr.
3523 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3524 DW_OP_deref{,_size} if address isn't going to be added.
3526 2006-01-04 Ben Elliston <bje@au.ibm.com>
3528 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3529 * config/fp-bit.c: Likewise.
3531 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3533 * dominance.c: Add comment about why we use DFS numbering
3536 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3537 Richard Henderson <rth@redhat.com>
3539 Merge from gomp-branch:
3540 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3541 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3543 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3545 PR rtl-optimization/25578
3546 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3547 pass a parameter to simplify_shift_const if changing ASHIFTRT
3550 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3552 * builtins.c (get_builtin_sync_mem): New function.
3553 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3554 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3555 Call get_builtin_sync_mem to generate mem rtx.
3557 2006-01-03 Richard Guenther <rguenther@suse.de>
3560 * stmt.c (add_case_node): Make sure to clear overflow flags
3563 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3565 Merge from gomp-branch.
3566 * config/sparc/sync.md: New file.
3567 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3568 UNSPECV_LDSTUB): New constants.
3569 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3570 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3571 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3574 2006-01-03 Roger Sayle <roger@eyesopen.com>
3576 * combine.c (reg_subword_p): New predicate to test whether the
3577 destination of a set refers to a subword/piece of a register.
3578 (try_combine): Generalize the code to merge the setting of a
3579 pseudo to a constant followed by a set of a subword of that
3580 register to a constant.
3582 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3584 * basic-block.h (control_flow_graph): Change the type of
3585 x_label_to_block_map to VEC(basic_block,gc) *.
3586 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3587 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3589 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3590 VEC(basic_block,heap) *.
3591 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3592 ssa_prop_fini): Adjust the uses of cfg_blocks.
3594 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3596 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3598 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3599 hashing trees instead of a pointer hash.
3600 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3601 compare for MEM_EXPR.
3603 PR rtl-optimization/25130
3604 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3605 when comparing MEMs for GCSE
3607 2006-01-03 Ben Elliston <bje@au.ibm.com>
3609 * targhooks.h (default_decimal_float_supported_p): Declare.
3610 * targhooks.c (default_decimal_float_supported_p): Define.
3611 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3612 `default_decimal_float_supported_p'.
3613 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3615 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3617 * combine.c (apply_distributive_law <SUBREG>): Check
3618 TRULY_NOOP_TRUNCATION.
3620 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3622 * dwarf2out.c (have_switched_text_section): Delete.
3623 (have_multiple_function_sections): New.
3624 (have_location_lists): Make 'bool'.
3625 (add_AT_loc_list): Use 'true' not '1'.
3626 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3627 (output_loc_list): Use have_multiple_function_sections.
3628 (output_ranges): Likewise.
3629 (dwarf2out_begin_function): Set have_multiple_function_sections if
3631 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3632 Check function_section rather than DECL_SECTION_NAME.
3633 (dwarf2out_finish): Use have_multiple_function_sections.
3634 Don't clear have_location_lists.
3636 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3637 Jan Hubicka <jh@suse.cz>
3639 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3640 case of conditional jump jumping to the next instruction.
3641 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3642 cases of conditional jump jumping to the next instruction.
3644 2006-01-02 Jan Hubicka <jh@suse.cz>
3646 * i386.c (*_cost): Add COSTS_N_INSNS.
3647 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3649 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3652 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3654 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3656 * config/arm/arm.c (all_fpus): Fix comment typo.
3657 * config/darwin.c: Likewise.
3658 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3659 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3660 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3662 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3664 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3665 (rs6000_split_compare_and_swapqhi): New.
3666 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3667 (sync_compare_and_swapqhi_internal): New.
3668 * config/rs6000/rs6000-protos.h: Declare.