1 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3 * reload.c (push_secondary_reload): Initialize t_icode.
5 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8 -msoft-float -mlong-double-128 only issue a warning, but don't
9 swich to DFmode long double.
11 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14 has a constant equivalent, iterate over equivalents for arg0,
15 calling simplify_relational_operation and if there's a result
16 cheaper than X, apply fold_rtx and return the result.
18 2006-02-01 Jan Hubicka <jh@suse.cz>
20 * opts.c (no_unit_at_a_time_default): New global variable.
21 (decode_options): Use it.
22 * opts.h (no_unit_at_a_time_default): Declare.
24 2006-02-01 Paul Brook <paul@codesourcery.com>
26 * function.c (assign_parm_setup_reg): Use function argument promotion
28 * expr.c (expand_expr_real_1): Use function argument promotion rules
31 2006-02-01 Steve Ellcey <sje@cup.hp.com>
33 * gcc.c (process_command): Change j to 'unsigned int'.
35 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
38 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
39 Use the corrected index for the character
40 out of the string constant.
42 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
44 * mode-switching.c (optimize_mode_switching): Fix size
45 allocated for bb_info[n_entities].
47 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
49 * gcc.c (main): Correct type that is allocated for
52 2006-01-31 Jakub Jelinek <jakub@redhat.com>
54 * config/s390/s390.c (init_alignment_context): Set
55 ALIAS_SET_MEMORY_BARRIER on the MEM.
56 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
58 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
61 * loop-unroll.c (unroll_loop_runtime_iterations): Free
63 * tree-ssa-live.c (type_var_init): Allocate bitmap after
66 2006-01-31 Marcin Dalecki <martin@dalecki.de>
68 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
70 * tree-ssa-loop-im.c: Ditto.
72 * tree-complex.c: Ditto.
74 * tree-ssa-threadupdate.c: Ditto.
76 * java/class.c: Ditto.
77 * java/jcf-parse.c: Ditto.
78 * java/resource.c: Ditto.
79 * java/except.c: Ditto.
80 * java/jvspec.c: Ditto.
81 * java/jcf-write.c: Ditto.
82 * java/jcf-path.c: Ditto.
83 * java/gjavah.c: Ditto.
84 * java/zextract.c: Ditto.
85 * java/jcf-io.c: Ditto.
87 * java/buffer.c: Ditto.
89 * java/parse-scan.y: Ditto.
92 * cfgloopmanip.c: Ditto.
93 * postreload-gcse.c: Ditto.
94 * tree-ssa-loop-manip.c: Ditto.
95 * postreload.c: Ditto.
96 * tree-ssa-loop-ch.c: Ditto.
100 * diagnostic.c: Ditto.
102 * genoutput.c: Ditto.
105 * cfgloopanal.c: Ditto.
106 * objc/objc-act.c: Ditto.
108 * genextract.c: Ditto.
109 * genautomata.c: Ditto.
110 * pretty-print.c: Ditto.
112 * cgraphunit.c: Ditto.
115 * haifa-sched.c: Ditto.
116 * dominance.c: Ditto.
118 * tree-ssa-loop-ivopts.c: Ditto.
120 * mode-switching.c: Ditto.
121 * modulo-sched.c: Ditto.
123 * ipa-pure-const.c: Ditto.
125 * fix-header.c: Ditto.
127 * tree-stdarg.c: Ditto.
128 * ipa-utils.c: Ditto.
129 * loop-init.c: Ditto.
130 * ipa-inline.c: Ditto.
133 * alloc-pool.c: Ditto.
134 * dwarf2out.c: Ditto.
136 * genattrtab.c: Ditto.
137 * tree-ssa-loop-ivcanon.c: Ditto.
141 * fortran/gfortranspec.c: Ditto.
143 * local-alloc.c: Ditto.
144 * langhooks.c: Ditto.
146 * tree-vectorizer.c: Ditto.
148 * ipa-type-escape.c: Ditto.
150 * tree-if-conv.c: Ditto.
153 * tree-data-ref.c: Ditto.
154 * loop-unroll.c: Ditto.
155 * treelang/treetree.c: Ditto.
158 * ggc-common.c: Ditto.
162 * tree-cfgcleanup.c: Ditto.
163 * tree-ssa-pre.c: Ditto.
164 * cfgcleanup.c: Ditto.
165 * loop-invariant.c: Ditto.
168 * print-tree.c: Ditto.
171 * sched-deps.c: Ditto.
173 * tree-object-size.c: Ditto.
175 * bb-reorder.c: Ditto.
177 * var-tracking.c: Ditto.
179 * df-problems.c: Ditto.
180 * reg-stack.c: Ditto.
183 * sched-rgn.c: Ditto.
184 * tree-ssa-structalias.c: Ditto.
185 * tree-ssa-reassoc.c: Ditto.
186 * config/darwin-c.c: Ditto.
187 * config/darwin.c: Ditto.
188 * config/arm/arm.c: Ditto.
193 2006-01-31 Nicolas Pitre <nico@cam.org>
195 * arm.md (smaxsi3): Make aware of smax_m1.
198 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
200 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
202 2006-01-31 Richard Guenther <rguenther@suse.de>
204 * doc/invoke.texi (-msselibm): Document.
205 * target.h (expand_library_builtin): New target hook.
206 * builtins.c (expand_builtin): Use expand_library_builtin.
207 (default_expand_library_builtin): New function.
208 * gcc.c (LINK_GCC_MATH_SPEC): Define.
209 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
210 (link_gcc_math_spec): Declare.
211 (static_specs): Add link_gcc_math_spec.
212 * expr.h (default_expand_library_builtin): Declare.
213 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
214 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
215 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
216 * config/i386/i386.opt (msselibm): New target option.
217 * config/i386/i386.c (ix86_builtin_function_variants): New array.
218 (ix86_init_sse_abi_builtins): New function.
219 (ix86_expand_library_builtin): Likewise.
220 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
221 (override_options): Handle error conditions wrt -msselibm.
222 (ix86_builtins): Add function codes for SSE2 ABI builtins.
223 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
224 * doc/extend.texi (__builtin_sse2_*): Document new target specific
227 2006-01-31 Richard Guenther <rguenther@suse.de>
228 Paolo Bonzini <bonzini@gnu.org>
230 * doc/install.texi (--disable-libgcc-math): Document.
232 2006-01-30 Marcin Dalecki <martin@dalecki.de>
234 * expr.h (expand_normal): new inline function.
235 * builtins.c: use it, use EXPAND_NORMAL explicitely.
237 * dwarf2out.c: use it.
242 * config/sparc/sparc.c: use it.
243 * config/i386/i386.c: use it.
244 * config/rs6000/rs6000.c: use it.
245 * config/arm/arm.c: use it.
246 * config/mips/mips.c: use it.
247 * stmt.c: use it, use EXPAND_NORMAL explicitely.
249 2006-01-30 Roger Sayle <roger@eyesopen.com>
251 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
252 argv to the appropriate type.
254 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
256 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
259 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
262 * config/s390/s390.c (struct machine_function): New flag
263 decomposed_literal_pool_addresses_ok_p.
264 (s390_reorg): Set it before final stage of literal pool transforms.
265 (s390_decompose_address): Only accept displacements of the form
266 (minus (label_ref ...) (label_ref ...)) if that flag is set.
268 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
270 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
271 the comparison routine return.
273 2006-01-30 Michael Matz <matz@suse.de>
275 * global.c (find_reg): Only evict for global regs.
276 Take n_refs into account and dump more info.
278 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
281 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
282 (pragma_trap, pragma_nosave_low_regs): Likewise.
283 (current_function_anonymous_args): Likewise.
284 (sh_deferred_function_attributes): New variable.
285 (sh_deferred_function_attributes_tail): Likewise.
286 (print_operand): For '@', look up trap_exit attribute.
287 (calc_live_regs): Look up trapa_handler attribute. For trapa
288 handlers, save/restore fpscr, but don't do any other
289 interrupt-specific saves.
290 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
291 Fix check for partially saved registers to check for SHmedia.
292 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
293 (sh_output_function_epilogue): Don't clear any of the removed
295 (sh_insert_attributes): Don't check pragma_interrupt.
296 Insert deferred attributes. Check that interrupt attribute is
297 present for other attributes that require its presence.
298 (sh_attribute_table): Add new attributes trapa_handler and
300 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
301 Don't check for pragma_interrupt. Don't store argument.
302 * sh.h (pragma_interrupt, sp_switch): Don't declare.
303 (sh_deferred_function_attributes): Declare.
304 (sh_deferred_function_attributes_tail): Likewise.
305 * sh.md (sp_switch_1): Add operand. Change generator caller.
306 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
307 (*return_i): Don't use when trap_exit attribute is in effect.
308 (*return_trapa): New insn pattern.
310 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
311 setting c_target_objs and cxx_target_objs.
312 * t-sh: Add rule for sh-c.o.
314 2006-01-30 Richard Guenther <rguenther@suse.de>
317 * gimplify.c (gimplify_target_expr): Handle easy cases
318 without creating a temporary.
320 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
322 * vec.h (safe_grow): Remove duplicated line.
324 2006-01-29 Diego Novillo <dnovillo@redhat.com>
327 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
328 (expand_omp): ... here.
329 (expand_omp_parallel): Only remove barriers for combined
330 parallel+workshare constructs.
332 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
336 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
337 * tree.c (build_qualified_type): Chain the new type to the original
338 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
339 a POINTER_TYPE or a REFERENCE_TYPE respectively.
340 (build_pointer_type_for_mode): Only return unqualified types.
341 (build_reference_type_for_mode): Likewise.
343 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
345 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
346 * Makefile.in (CXX_COMPAT_WARN): Define.
347 * configure: Regenerate.
349 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
352 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
355 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
357 * toplev.c: Fix thinko.
359 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
360 Marcin Dalecki <martin@dalecki.de>
362 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
363 (push_srcloc): Use XNEW.
364 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
366 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
368 * df-core.c (df_set_blocks): Deleted all variable.
370 2006-01-28 Ian Lance Taylor <ian@airs.com>
372 * cgraphunit.c (cgraph_assemble_pending_functions): Call
373 cgraph_output_pending_asms.
375 2006-01-28 Zack Weinberg <zackw@panix.com>
377 * c.opt: Add -W(no-)overlength-strings.
378 * doc/invoke.texi: Document it.
379 * c-opts.c (c_common_handle_option): -pedantic implies
380 -Woverlength-strings, if not explicitly disabled already.
381 (c_common_post_options): -Woverlength-strings defaults to off, and
382 is always off for C++.
383 * c-common.c (fix_string_type): Issue warning about strings longer
384 than is portable only if warn_overlength_strings. Rearrange code
385 a little for clarity.
386 * configure.in: Check for -Wno-overlength-strings as well before
387 enabling -pedantic in stage 1.
388 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
389 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
391 * genconditions.c (write_header, write_one_condition)
392 (write_conditions, write_writer): Consolidate very long strings
393 that were broken up to fit in C89 portable limit. Don't use
394 printf when fputs will do.
396 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
398 * combine.c (simplify_comparison <AND>): Check
399 TRULY_NOOP_TRUNCATION before start using a subreg.
401 * config/mips/mips.md (*branch_zero<mode>,
402 *branch_zero<mode>_inverted, *branch_equality<mode>,
403 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
404 Remove mode check from comparisons.
406 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
408 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
410 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
412 * expmed.c (const_mult_add_overflow_p): Remove.
413 * expr.h: Remove the prototype for const_mult_add_overflow_p.
415 * recog.c (validate_replace_rtx_subexp): Remove.
416 * recog.h: Remove the prototype for
417 validate_replace_rtx_subexp.
419 * integrate.h: Remove the prototype for
420 copy_decl_for_inlining.
421 * rtl.h: Remove the prototype for mark_constant_function.
422 * tree-vectorizer.h: Remove the prototype for
423 vect_strip_conversion.
425 * modulo-sched.c (create_partial_schedule,
426 free_partial_schedule, reset_partial_schedule): Make them
429 * hooks.c (hook_bool_rtx_int_false): Remove.
430 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
432 2006-01-28 David Edelsohn <edelsohn@gnu.org>
434 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
435 and -mlong-double-128 are incompatible.
436 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
437 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
438 (TARGET_LIBGCC2_CFLAGS): Define.
439 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
440 (TARGET_LIBGCC2_CFLAGS): Same.
441 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
443 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
446 * c-typeck.c (build_binary_op): Perform implicit casts of
447 operands before shortening them.
449 * cfgloopmanip.c (split_loop_bb): Remove.
450 * cfgloop.h: Remove the prototype for split_loop_bb.
452 * cfgloop.c (flow_loop_outside_edge_p): Remove.
453 * cfgloop.h: Remove the prototype for
454 flow_loop_outside_edge_p.
456 * emit-rtl.c (init_virtual_regs): Make it static.
457 * function.h: Remove the prototype for init_virtual_regs.
459 * recog.c (peephole2_optimize): Make it static.
460 * recog.h: Remove the prototype for peephole2_optimize.
462 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
464 * df-scan.c (df_record_entry_block_defs): Check if
465 INCOMING_RETURN_ADDR_RTX is defined.
467 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
468 Kenneth Zadeck <zadeck@naturalbridge.com>
470 PR rtl-optimization/24762
471 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
472 * targhooks.c (hook_void_bitmap): New hook prototype.
473 * targhoohs.h (hook_void_bitmap): Ditto.
474 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
475 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
476 * target.h (live_on_entry): New function pointer.
477 * df-scan.c (df_all_hard_regs): Removed.
478 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
479 (df_scan_free_internal): Added df->entry_block_defs.
480 (df_scan_alloc): Ditto.
481 (df_scan_dump): Ditto.
482 (df_uses_record): Plumbed flag field properly thru calls.
483 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
484 This part fixes PR24762.
485 (df_bb_refs_record): Added code to make the frame and arg
486 pointers live in EH blocks.
487 (df_refs_record): Added call to df_record_entry_block_defs.
488 (df_record_entry_block_defs): New function.
489 * df-core.c: Added comments to describe new artifical defs.
490 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
491 (entry_block_defs): New field in struct df.
492 (df_all_hard_regs): Deleted.
493 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
494 * df-problems.c (df_ru_bb_local_compute_process_def):
495 Added code to handle artifical defs in the entry to a function.
496 (df_ru_bb_local_compute): Ditto.
497 (df_rd_bb_local_compute_process_def): Ditto.
498 (df_rd_bb_local_compute): Ditto.
499 (df_lr_bb_local_compute): Ditto.
500 (df_ur_bb_local_compute): Ditto.
501 (df_urec_bb_local_compute): Ditto.
502 (df_chain_create_bb): Ditto.
503 (df_ur_local_finalize): Removed entry.
504 (df_urec_init): Ditto.
505 (df_urec_local_finalize): Ditto.
506 (df_ri_bb_compute): Added detection of last use of pseudos.
507 * Makefile.in (df-scan.o): Updated dependencies.
508 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
509 * config/mips/mips.c (mips_set_live_on_entry): Added.
510 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
512 * dce.c (marked_insn_p): Added code to handle artifical defs.
514 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
516 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
518 (_mm_cvtsi128_si64): Likewise.
519 (_mm_cvtsd_si64): Likewise.
520 (_mm_cvttsd_si64): Likewise.
521 (_mm_cvtsi64_sd): Likewise.
522 (_mm_cvtsi64_si128): Likewise.
523 * config/i386/mmintrin.h (_m_from_int64): Likewise.
524 (_mm_cvtsi64_m64): Likewise.
525 (_m_to_int64): Likewise.
526 (_mm_cvtm64_si64): Likewise.
527 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
528 (_mm_cvttss_si64): Likewise.
529 (_mm_cvtsi64_ss): Likewise.
530 (_mm_cvtss_f32): Likewise.
532 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
534 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
535 for pragma redefine_extname.
537 2006-01-27 Jakub Jelinek <jakub@redhat.com>
540 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
541 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
542 -mno-minimal-toc to previous content.
543 (bispecs): Remove goal.
544 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
545 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
546 compatibility aliases on powerpc-*-*gnu*.
547 * config/rs6000/libgcc-ppc-glibc.ver: New file.
548 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
549 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
550 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
551 (ldblspecs): New goal.
552 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
553 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
555 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
556 L_sf_to_tf or L_df_to_tf is defined.
558 2006-01-27 David Edelsohn <edelsohn@gnu.org>
559 Alan Modra <amodra@bigpond.net.au>
562 * config/rs6000/linux.h (POWERPC_LINUX): Define.
563 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
564 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
565 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
566 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
567 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
568 (rs6000_override_options): Initialize rs6000_ieeequad.
569 Initialize TFmode format to ibm_extended_format if not
571 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
573 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
574 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
575 (function_arg_advance): IBM long double passed in two FPRs, not
577 (function_arg): IBM long double passed in FPRs.
578 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
579 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
580 Only multireg GPR aligned.
581 (rs6000_init_libfuncs): Enable IBM long double functions if not
583 (rs6000_generate_compare): Use IBM long double compare if not
585 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
586 (TARGET_IEEEQUAD): Define.
587 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
589 * config/rs6000/rs6000.md: Enable TFmode patterns if
591 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
592 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
593 and -mlong-double-128 are incompatible.
594 * doc/invoke.texi (-mabi): Collect options together. Add
595 ibmlongdouble and ieeelongdouble.
597 2006-01-27 Richard Sandiford <richard@codesourcery.com>
599 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
601 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
602 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
603 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
604 * rtl.h (rtunion_def): Remove rt_ptr.
606 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
607 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
608 * config/i386/winnt.c (i386_pe_mark_dllexport)
609 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
611 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
613 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
615 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
619 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
620 pthread_key_delete. From John David Anglin. gthrw-ify
621 pthread_getunique_np only if it it's not a macro. Delete
623 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
624 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
625 __gthread_objc_condition_signal, __gthread_key_delete): Add
626 "__attribute__ ((__unused__))" to unused arguments.
627 (__gthread_recursive_mutex_init_function): Add missing return.
628 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
629 gthr-posix95.h: Use macro-based approach for name redirection
630 on targets missing weakref.
632 2006-01-26 Zack Weinberg <zackw@panix.com>
634 * genconditions.c (write_header): In generated code, #ifdef out
635 all includes and fake declarations, except includes of bconfig.h
636 and system.h, unless GCC_VERSION >= 3001. Do not include
637 gensupport.h in any case.
638 (write_conditions): Generate a definition of struct c_test. Add
639 a comment to the generated #endif.
640 (write_one_condition): Escape backslashes in string too.
641 (write_writer): Generated code must escape backslashes and quote
642 marks (but not newlines) in the strings it writes.
643 * Makefile.in (build/gencondmd.o): Update dependencies.
645 2006-01-26 Steve Ellcey <sje@cup.hp.com>
648 * Makefile.in (insn-automata.o): Add header file dependencies.
649 * genautomata.c: Add includes.
651 2006-01-26 Steve Ellcey <sje@cup.hp.com>
654 * Makefile.in (insn-automata.o): Add -Wno-error flag.
656 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
658 * configure.ac: Expect target tools paths to be passed from the toplevel
659 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
661 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
663 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
666 * c.opt (Wpointer-sign): Init to -1.
667 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
668 OPT_pedantic, to 0 otherwise.
669 * doc/invoke.texi: Update.
671 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
673 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
674 constants provided by 80387 instructions in the destination mode.
676 2006-01-26 Richard Guenther <rguenther@suse.de>
677 Andrew Pinski <pinskia@physics.uc.edu>
680 partial PR tree-opt/17064
681 * tree-ssa-structalias.c (intra_create_variable_infos):
682 Create heap variables for incoming parameters if
683 flag_argument_noalias > 1.
684 (find_what_p_points_to): Look through default defs of
687 2006-01-26 Jeff Law <law@redhat.com>
690 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
691 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
692 within the VR_RANGE, use the VR_RANGE as the result, not the
694 (adjust_range_with_scev): Reject ranges from SCEV which are out
695 of bounds for the type.
697 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
699 * tree-ssa-alias.c (maybe_create_global_var): Change
700 subvar walking to an assertion that we don't have subvar'd variables.
702 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
705 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
706 Use a new variable, inner. PARM_DECLs are always non-weak.
708 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
710 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
713 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
715 * config/mips/mips.md (*clear_upper32): New combiner pattern.
717 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
719 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
720 (smax_insn, smin_insn, smax_0, smin_0): New.
722 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
725 * config/cris/cris.c (cris_order_for_addsi3): New function.
726 * config/cris/cris-protos.h: Prototype it.
727 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
728 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
729 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
730 (split for "op.S1 [rx=rx+i],ry (swapped)")
731 (split for "op(s|u).S1 [rx=rx+i],ry")
732 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
733 Apply cris_order_for_addsi3 when generating addsi3 insns.
735 2006-01-25 Diego Novillo <dnovillo@redhat.com>
737 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
738 (TREE_BLOCK): Add call to EXPR_CHECK.
740 2006-01-25 Diego Novillo <dnovillo@redhat.com>
743 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
744 * tree-pretty-print.c (dump_omp_clause): Extract from ...
745 (dump_omp_clauses): ... here.
746 (dump_generic_node): Handle OMP_CLAUSE.
747 * tree.c (omp_clause_num_ops): New.
748 (omp_clause_code_name): New.
749 (tree_code_size): Handle OMP_CLAUSE.
750 (tree_size): Likewise.
751 (make_node): Document handling of OMP_CLAUSE.
752 (tree_node_structure): Handle OMP_CLAUSE.
753 (omp_clause_check_failed): New.
754 (omp_clause_range_check_failed): New.
755 (omp_clause_operand_check_failed): New.
756 (build_omp_clause): New.
757 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
758 * tree.h (enum omp_clause_code): Declare.
759 (OMP_CLAUSE_SUBCODE_CHECK): Define.
760 (OMP_CLAUSE_RANGE_CHECK): Define.
761 (OMP_CLAUSE_ELT_CHECK): Define.
762 (omp_clause_check_failed): Declare.
763 (omp_clause_operand_check_failed): Declare.
764 (omp_clause_range_check_failed): Declare.
765 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
766 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
767 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
768 (OMP_CLAUSE_LASTPRIVATE): Likewise.
769 (OMP_CLAUSE_IF_EXPR): Likewise.
770 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
771 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
772 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
773 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
774 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
775 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
776 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
777 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
778 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
779 (OMP_CLAUSE_CODE): Define.
780 (OMP_CLAUSE_SET_CODE): Define.
781 (OMP_CLAUSE_CODE): Define.
782 (OMP_CLAUSE_OPERAND): Define.
783 (struct tree_omp_clause): Declare.
784 (union tree_node): Add field 'omp_clause'.
785 * treestruct.def (TS_OMP_CLAUSE): Define.
786 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
787 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
788 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
789 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
790 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
791 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
792 (OMP_CLAUSE): Define.
793 * print-tree.c (print_node): Handle OMP_CLAUSE.
794 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
795 * c-typeck.c: Likewise.
796 * gimplify.c: Likewise.
798 * tree-nested.c: Likewise.
799 * tree-inline.c: Likewise.
800 * c-parser.c: Likewise.
801 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
804 2006-01-25 Roger Sayle <roger@eyesopen.com>
806 PR rtl-optimization/25703
807 * combine.c (try_combine): Handle zero_extract and strict_low_part
808 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
810 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
812 * global.c: Fix comment typos.
814 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
817 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
818 Use output_addr_const instead of assemble_name.
820 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
822 * Makefile.in (sched-vis.o): Update dependencies.
823 * haifa-sched.c (sched_finish): Clear current_sched_info.
824 * cfg.c (dump_bb_info): New, split from dump_flow_info.
825 (dump_flow_info): Call it.
826 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
828 * basic-block.h (dump_bb_info): Declare.
829 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
830 option, and apply options only for dump files whose TDF_RTL,
831 TDF_TREE, or TDF_IPA bits match.
832 * rtl.h: Declare new functions exported from sched-vis.c.
833 * sched-vis.c: Enable also if scheduling is not used.
834 (print_value): Print the mode of registers if not inside scheduling.
835 (print_insn): Make it work outside the scheduler. Beautify the output
837 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
839 2006-01-25 Richard Sandiford <richard@codesourcery.com>
841 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
842 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
843 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
844 depending on the value of CONSTANT_POOL_ADDRESS_P.
845 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
847 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
848 rather than SYMBOL_REF_DECL.
849 (rtx_constant_pool): Remove const_rtx_sym_htab.
850 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
851 (init_varasm_status): Don't initialize const_rtx_sym_htab.
852 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
853 Remove handling of const_rtx_sym_htab.
854 (find_pool_constant): Delete.
855 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
856 rather than find_pool_constant.
857 (get_pool_constant_for_function): Delete.
858 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
860 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
861 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
862 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
863 (SYMBOL_REF_CONSTANT): New macro.
864 (get_pool_constant_for_function): Delete.
865 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
866 rather than SYMBOL_REF_DECL.
867 (i386_pe_mark_dllimport): Likewise.
868 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
869 rather than SYMBOL_REF_DECL.
870 * config/darwin.c (machopic_indirect_data_reference): Likewise.
871 (machopic_indirect_call_target): Likewise.
873 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
875 * flow.c (delete_noop_moves): Add missing EOL to dump message.
877 2006-01-25 Richard Sandiford <richard@codesourcery.com>
879 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
881 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
883 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
885 2006-01-24 David Daney <ddaney@avtrex.com>
888 * configure.ac (enable_tls): New enable option.
889 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
890 * configure: Regenerate.
891 * doc/install.texi (--enable-tls): Document new option.
892 (--disable-tls): Ditto.
894 2006-01-24 Richard Henderson <rth@redehat.com>
896 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
897 * alias.c (true_dependence): Respect it.
898 (canon_true_dependence, write_dependence_p): Likewise.
899 * builtins.c (get_builtin_sync_mem): Set it.
901 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
903 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
906 2006-01-24 DJ Delorie <dj@redhat.com>
908 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
909 for storing constants in single-bit bitfields.
911 2006-01-25 Ben Elliston <bje@au.ibm.com>
913 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
915 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
918 * tree-ssa-pre.c (phi_translate): Return NULL
919 for AGGREGATE_TYPE's.
921 2006-01-24 Zack Weinberg <zackw@panix.com>
923 * genautomata.c (process_state_for_insn_equiv_partition):
924 Use xcalloc for insn_arcs_array.
925 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
926 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
928 2006-01-24 Richard Henderson <rth@redhat.com>
930 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
933 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
935 PR rtl-optimization/25890
936 PR rtl-optimization/25905
937 * combine.c (expand_compound_operation, expand_field_assignment):
938 Fail if the bitfield's final position is out of bounds.
940 2006-01-24 Ian Lance Taylor <ian@airs.com>
943 * cgraphunit.c (cgraph_output_in_order): Don't clear
944 cgraph_asm_nodes until after asm strings have been output.
946 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
948 * fix-header.c (read_scan_file): Add new parameter imultilib when
949 calling register_include_chains.
951 2006-01-23 Diego Novillo <dnovillo@redhat.com>
953 * omp-low.c: Update documentation.
955 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
956 Daniel Berlin <dberlin@dberlin.org>
960 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
961 return from the function.
963 2006-01-22 Zack Weinberg <zackw@panix.com>
965 * rtl.def (match_code): Add second argument.
966 * genpreds.c (write_extract_subexp): New function.
967 (write_match_code): Add path argument. Use write_extract_subexp.
968 (write_predicate_expr): Pass path to write_match_code.
969 (mark_mode_tests): MATCH_CODE applied to a subexpression does
970 not perform a mode test.
971 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
972 a subexpression does not constrain the top-level code set.
973 * read-rtl.c (read_rtx_variadic): New function.
974 (read_rtx_1): Use it; allow AND and IOR to be variadic.
975 * doc/md.texi: Document new notation.
976 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
977 (cmpsi_operand): ... here, using new notation.
979 2006-01-22 Zack Weinberg <zackw@panix.com>
981 * varray.c: Remove GENERATOR_FILE #ifdefs.
983 2006-01-22 Zack Weinberg <zackw@panix.com>
985 * genautomata.c (output_reserved_units_table): Emit nothing if
986 description->query_units_num is zero. Remove extra blank line.
987 (output_cpu_unit_reservation_p): Short circuit
988 if description->query_units_num is zero.
990 2006-01-22 Zack Weinberg <zackw@panix.com>
992 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
993 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
994 nor any of the random handful of variables that used to be necessary
995 when this program was linked with rtlanal.o. Prune set of forward
996 function declarations.
997 (struct attr_desc): Remove static_p field.
998 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
999 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1000 (attr_string): Do not read the character one past the length of
1002 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1003 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1004 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1005 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1006 (make_automaton_attrs): New.
1007 (main): Do not call into genautomata. Call local gen_bypass
1008 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1009 Remove special case for insn_alts.
1010 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1011 varray.h (leftover from previous change). Prune set of forward
1012 function declarations. Remove state_alts fields from all
1013 structures. Remove state_alts_table from struct automaton.
1014 Make everything except main static. Do not maintain num_dfa_decls.
1015 Do not maintain state_alts fields of various structures.
1016 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1017 (add_arc): Remove state_alts argument. All callers updated.
1018 (output_reserved_units_table): Emit #ifdef here...
1019 (output_tables): ...not here. Don't generate state_alts tables.
1020 (expand_automata): Don't generate attributes.
1021 (write_automata): Don't generate state_alts functions.
1022 (main): New function.
1023 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1024 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1025 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1026 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1027 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1028 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1029 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1030 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1032 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1033 * genattrtab.h: Delete file.
1034 * Makefile.in (OBJS-common): Add insn-automata.o.
1035 (insn-automata.o): New rule.
1036 (simple_generated_c): Add insn-automata.c.
1037 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1038 (genprogmd): Add automata.
1039 (build/genattrtab): Needs no extra objects nor libraries.
1040 (build/genautomata): Needs build/vec.o and -lm.
1042 2006-01-22 Zack Weinberg <zackw@panix.com>
1044 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1045 (output_dfa_max_issue_rate, locked_states_num): Delete.
1046 (struct automaton): Add locked_states field.
1047 (output_dead_lock_vect): Save number of locked states in
1048 automaton->locked_states. If it is zero, don't print anything.
1049 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1050 (output_internal_dead_lock_func): Only test the dead_lock_vect
1051 for automata that have locked states.
1052 (output_statistics): Always print the number of locked states for
1053 each automaton. Calculate total number of locked states here.
1054 (write_automata): Don't call output_dfa_max_issue_rate.
1055 * genattrtab.c: Define length_unit_log as a const variable.
1056 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1057 max_insn_queue_index const.
1058 * final.c (length_unit_log): Declare const.
1059 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1061 2006-01-22 Zack Weinberg <zackw@panix.com>
1063 * genautomata.c: Include vec.h, not varray.h.
1064 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1065 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1066 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1067 VEC_* macros operating on appropriately typed vectors, or to
1068 malloced arrays when the size is known in advance. Const-ify
1069 many char* variables and function arguments. No functional changes.
1070 * Makefile.in (build/varray.o): Delete rule.
1071 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1072 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1074 2006-01-22 Zack Weinberg <zackw@panix.com>
1076 * gensupport.c: Define get_insn_name and record_insn_name here.
1077 (read_md_rtx): Call record_insn_name as appropriate.
1078 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1079 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1080 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1082 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1083 (BUILD_VARRAY): Delete.
1084 (genprognormal): Rename genprogmd. Fold in all programs from
1085 genprognoprint; also attrtab.
1086 (build/genattrtab): Just mention genautomata.o and varray.o.
1087 Reorganize a bit, add comments to make the categories clearer.
1089 2006-01-22 Zack Weinberg <zackw@panix.com>
1091 * genconditions.c (condition_table, add_condition): Delete.
1092 (write_conditions): Don't emit n_insn_conditions nor
1093 insn_elision_unavailable. Issue the gcc version #ifdef here,
1094 inside the table, with no #else clause ...
1095 (write_header): ...not here.
1096 (write_writer): New function.
1097 (main): Don't initialize condition_table. Use add_c_test.
1099 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1100 files on the command line.
1101 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1102 Return -1 if there is no entry in the table, don't abort.
1103 (add_c_test, traverse_c_tests): New functions.
1104 * gensupport.h (insn_elision_unavailable, insn_conditions)
1105 (n_insn_conditions): Delete declarations.
1106 (add_c_test, traverse_c_tests): Declare.
1107 * read-rtl.c: Include gensupport.h.
1108 (read_conditions): New function.
1109 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1110 (read_rtx_1): If we get EOF when we were looking for an initial
1111 open paren, return 0. Call read_conditions when appropriate.
1112 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1113 dummy-conditions.o. Eliminate references to insn-conditions.o,
1114 or change them to build/gencondmd.o, as appropriate. Remove
1115 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1116 from $(simple_generated_c). For all files remaining in those
1117 two lists, add insn-conditions.md to the generator command line.
1118 Give insn-constants.h/s-constants their own rules. Add rules
1119 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1120 (build/read-rtl.o): Depend on gensupport.h.
1121 (genprognormal): Include preds.
1122 (genprogearly): Rename genprognoprint; only difference is now that
1123 they don't link with $(BUILD_PRINT).
1124 * dummy-conditions.c: Delete.
1126 2006-01-22 Zack Weinberg <zackw@panix.com>
1128 * genextract.c: Don't include insn-config.h. Do include vec.h.
1129 Declare vectors of int, char, and locstr.
1130 (locstr): New typedef.
1131 (struct extraction): Make all array fields into bare pointers.
1132 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1133 (insn_code_number): Delete.
1134 (accum_extract): New struct.
1135 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1136 (gen_insn): Take insn_code_number as an argument. Use an
1137 accum_extract structure instead of loading data directly into
1138 a struct extraction, and having to know how big it might get.
1139 (walk_rtx): Operate entirely on an accum_extract structure.
1140 (print_path): Avoid unnecessary use of printf.
1141 (print_header): New function, split out of main. Distinguish
1142 more carefully between an unrecognizable insn and an insn that
1143 has the code number of a define_expand.
1144 (main): Pass insn_code_number to gen_insn. Call print_header
1145 only after parsing. Avoid unnecessary use of printf.
1146 * Makefile.in (build/vec.o): New rule.
1147 (build/genextract): Depend on build/vec.o.
1148 (build/genextract.o): Don't depend on insn-config.h.
1150 2006-01-22 Zack Weinberg <zackw@panix.com>
1152 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1153 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1154 practical. Eliminate per-generator-program link rules.
1156 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1159 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1160 with a call expr to ...
1161 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1163 2006-01-23 Richard Guenther <rguenther@suse.de>
1165 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1166 before make_edge with conditional EDGE_TRUE_VALUE.
1168 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1169 Jan Hubicka <jh@suse.cz>
1170 Richard Guenther <rguenther@suse.de>
1172 PR rtl-optimization/25654
1173 * cfgexpand.c (aggregate_contains_union_type): New function.
1174 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1175 for structure variables that contain a union type.
1177 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1179 * gengtype.c (new_structure): Return the structure.
1180 (create_option): Add an extra "next" argument.
1181 (create_field): New function.
1182 (adjust_field_rtx_def): Use create_option and create_field.
1183 Remove a now-unnecessary call to find_structure.
1184 (adjust_field_tree_def): Likewise.
1185 (note_yacc_type): Remove an unnecessary call to find_structure.
1186 * gengtype.h (new_structure): Return the structure.
1187 (create_option): Add an extra argument.
1188 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1189 (option): Adjust calls to create_option.
1191 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1193 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1195 2006-01-22 Paul Brook <paul@codesourcery.com>
1196 Peter Barada <peter@the-baradas.com>
1198 * config/m68k/m68k.md: Add Coldfire FPU support.
1199 Define FP mode macro and associated attributes.
1200 Use it for float mode patterns.
1201 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1202 (LIBCALL_VALUE): Use m68k_libcall_value.
1203 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1204 (m68k_function_value): Ditto.
1205 (emit_move_sequence): Ditto.
1206 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1207 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1208 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1209 (MULTILIB_EXCEPTIONS): Ditto.
1210 * config/m68k/m68k.opt: Add mcfv4e.
1211 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1212 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1213 (m68k_output_function_prologue): Save ColdFire FPU registers.
1214 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1215 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1216 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1217 ColdFire FPU registers.
1218 (m68k_libcall_value, m68k_function_value): New functions.
1219 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1220 (LIBCALL_VALUE): Use m68k_libcall_value.
1221 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1222 (MASK_COLDFIRE): Add MASK_CFV4E.
1223 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1224 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1225 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1226 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1227 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1228 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1229 * doc/invoke.tex: Document -mcfv4e on m68k.
1231 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1233 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1236 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1239 * c-opts.c (c_common_handle_option): Don't include
1240 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1241 * doc/invoke.texi (C++ Dialect Options): Document that
1242 -Wnon-virtual-dtor is no longer included in -Wall.
1244 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1246 * gcov.c (print_version), gcov-dump.c (print_version),
1247 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1250 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1252 * df-scan.c (problem_SCAN): Added NULL reset function.
1253 (df_scan_reset_blocks): Added code to call reset block function
1254 (df_bb_refs_delete) Fixed comment.
1255 (df_insn_refs_delete): Made tolerant of deleting non existent info
1256 for dataflow problems that need to be reset.
1257 * df-core.c (df_set_blocks): Ditto.
1258 * df.h (struct df_problem): Added reset_fun.
1259 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1260 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1261 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1262 functions to clear out all references to def-use or use-def chains.
1264 2006-01-21 Ben Elliston <bje@au.ibm.com>
1266 * varasm.c (assemble_real): Initialise data array.
1268 2006-01-20 Paul Brook <paul@codesourcery.com>
1270 Merge from csl-arm-branch.
1271 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1272 * config/arm/arm.md (movdi): Force operands[1] to a register
1273 if we have a non-register source.
1274 (*arm_movdi, *movdf_soft_insn): Require that one of the
1275 operands be a register.
1276 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1277 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1279 2006-01-20 DJ Delorie <dj@redhat.com>
1281 * varasm.c (initialize_constant_valid_p): Allow pointers
1282 initialized from integer constants of lesser precision.
1283 (output_constant): Allow non-int-sized pointer modes to be
1284 initialized from integer constants.
1286 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1289 * cppdefault.h (struct default_include): Add multilib flag.
1290 * cppdefault.c (cpp_include_defaults): Set it.
1291 * c.opt (-imultilib): New option.
1292 * c-opts.c (imultilib): New.
1293 (c_common_handle_option): Handle -imultilib.
1294 (c_common_post_options): Likewise.
1295 * c-incpath.c (add_standard_paths, register_include_chains):
1297 * c-incpath.h (register_include_chains): Add extra parameter.
1298 * gcc.c (do_spec_1): Generate -imultilib option.
1299 (The Specs Language): Update %I description.
1300 (process_command): Update copyright notice.
1301 * doc/cppopts.texi (-imultilib): Document.
1302 * doc/invoke.texi (-imultilib): Include in option summary.
1303 (%I): Update specs documentation.
1305 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1307 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1309 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1311 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1314 2006-01-20 Richard Guenther <rguenther@suse.de>
1315 Steven Bosscher <stevenb.gcc@gmail.com>
1317 PR rtl-optimization/24626
1318 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1319 EDGE_TRUE_VALUE if in RTL mode.
1322 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1323 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1325 2006-01-20 Dirk Mueller <dmueller@suse.com>
1328 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1329 instead of a special NOP marker.
1330 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1331 NOP marker handling.
1332 * c-common.h (empty_body_warning): Add forward declaration.
1333 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1334 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1336 2006-01-20 Paul Brook <paul@codesourcery.com>
1338 * Makefile.in (lang_checks): Keep going if mkdir fails.
1340 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1342 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1343 be able to clean out basic block when not necessary.
1344 (df_scan_free): Fixed to properly delete information if df is
1345 unused before calling df_finish.
1346 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1347 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1349 (df_bb_refs_delete): New function.
1350 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1351 * df-core.c (df_set_blocks): Added code to properly clean out
1352 unused blocks if they are not part of the blocks to consider.
1353 Added additional null check.
1354 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1355 be able to clean out basic block when not necessary
1356 * df.h (df_free_bb_function): Ditto.
1357 (df_bb_refs_delete): New function.
1358 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1359 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1360 basic block parameter to be able to clean out basic block when not
1362 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1363 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1364 Fixed to properly delete information if df is unused before
1367 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1369 PR rtl-optimization/25799
1370 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1371 Corrected confluence operator to remove bits from op2 before oring
1372 with op1 rather than removing bits from op1.
1373 (df_ru_transfer_function): Corrected test on wrong bitmap which
1374 caused infinite loop. Both of these problems were introduced in
1375 the dataflow rewrite.
1377 2006-01-19 DJ Delorie <dj@redhat.com>
1379 * reload1.c (find_reload_regs): Note the details of reload
1380 failures in the dump file.
1381 (spill_failure): Likewise.
1383 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1385 * loop-iv.c: Include df.h and hashtab.h.
1386 (enum iv_grd_result): New enum.
1387 (DF_REF_IV, DF_REF_IV_SET): New macros.
1388 (struct biv_entry): New.
1389 (df, bivs): New global variables.
1390 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1391 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1393 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1394 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1395 analyzed_for_bivness_p, record_biv): New functions.
1396 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1397 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1398 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1400 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1402 (iv_number_of_iterations): Use new interface to iv analysis.
1403 * loop-unroll.c: Do not include varray.h.
1404 (analyze_iv_to_split_insn): Use new interface to iv
1406 * loop-unswitch.c (may_unswitch_on): Ditto.
1407 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1409 (df_bb_modify): Realloc tables to the new index.
1410 (df_find_use): New function.
1411 * df.h (df_find_use): Declare.
1412 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1414 * cfgloop.h (struct rtx_iv): Remove analysed field.
1415 (iv_get_reaching_def): Removed.
1416 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1417 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1418 (loop-iv.o): Add df.h and hashtab.h dependency.
1419 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1421 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1423 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1425 (__floatundisf, __floatundidf): Likewise.
1426 * libgcc2.h (IS_IBM_EXTENDED): Define.
1428 2006-01-19 DJ Delorie <dj@redhat.com>
1430 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1432 2006-01-19 Paul Brook <paul@codesourcery.com>
1434 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1435 as nothrow when unwinding tables are disabled.
1437 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1440 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1441 of bit-field" when in system header.
1443 2006-01-19 DJ Delorie <dj@redhat.com>
1445 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1446 the 16 bit shift limit of the m16c.
1448 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1451 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1452 * config/i386/i386.c (output_set_got): Output the label if we have one
1453 for the TARGET_DEEP_BRANCH_PREDICTION case.
1455 2006-01-19 Jan Hubicka <jh@suse.cz>
1456 H.J. Lu <hongjiu.lu@intel.com>
1457 Evandro Menezes <evandro.menezes@amd.com>
1459 * invoke.texi (generic): Document
1461 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1462 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1463 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1464 (x86_use_incdec, x86_pad_returns): New variables
1465 (TARGET_CPU_DEFAULT_generic): New constant
1466 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1467 (enum processor_type): Add generic32 and generic64.
1468 * i386.md (cpu attribute): Add generic32/generic64
1469 (movhi splitter): Behave sanely when both partial_reg_dependency and
1470 partial_reg_stall are set.
1471 (K8 splitters): Enable for generic as well.
1472 * predicates.md (incdec_operand): Use TARGET_INCDEC
1473 (aligned_operand): Avoid memory mismatch stalls.
1474 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1475 * ppro.md: Enable for generic32
1476 * i386.c (generic64_cost, generic32_cost): New.
1477 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1478 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1479 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1480 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1481 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1482 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1483 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1484 x86_accumulate_outgoing_args, x86_prologue_using_move,
1485 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1486 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1488 (x86_use_incdec, x86_pad_returns): New.
1489 (override_options): Add generic32 and generic64, translate "generic"
1490 to generic32/generic64 and "i686" to "generic32", refuse
1491 "generic32"/"generic64" as arch target.
1492 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1493 (ix86_reorg): Honor PAD_RETURNS.
1495 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1497 * tree-pretty-print.c (dump_generic_node): Handle
1498 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1499 * cgraph.c (cgraph_expand_queue): Rename from
1500 cgraph_analyze_queue. Update all users.
1501 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1502 cgraph_expand_queue.
1503 (cgraph_expand_all_functions): Likewise.
1504 (cgraph_finalize_pending_functions): Remove. Update callers.
1506 * tree.h (OMP_DIRECTIVE_P): Define.
1507 (OMP_PARALLEL_FN): Define.
1508 (OMP_PARALLEL_DATA_ARG): Define.
1509 (OMP_SECTIONS_SECTIONS): Define.
1510 * tree-pass.h (pass_expand_omp): Declare.
1511 * omp-low.c (struct omp_region): Declare.
1512 (struct omp_context): Remove fields 'parallel_type',
1513 'parallel_start_ix' and 'parallel_start_additional_args'.
1515 (struct omp_for_data): Rename from struct expand_omp_for_data.
1516 (omp_regions): New static variable.
1517 (root_omp_region): New static variable.
1518 (find_omp_clause): Make static.
1519 (is_in_combined_parallel_ctx): Remove.
1520 (is_combined_parallel): New.
1521 (extract_omp_for_data): Move earlier in the file.
1522 (workshare_safe_to_combine_p): New.
1523 (get_ws_args_for): New.
1524 (determine_parallel_type): Move earlier in the file.
1525 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1527 (omp_copy_decl): Likewise.
1528 (create_omp_child_function): Likewise.
1529 (lookup_omp_region): New.
1530 (dump_omp_region): New.
1531 (debug_omp_region): New.
1532 (debug_all_omp_regions): New.
1533 (new_omp_region): New.
1534 (scan_omp_parallel): If parallel_nesting_level > 1, the
1535 directive is nested within another parallel directive.
1536 Set OMP_PARALLEL_FN.
1537 (scan_omp_for): Do not try to handle combined parallel+for
1539 Remove FIXME comment.
1540 (scan_omp_nested): Remove.
1541 (scan_omp_1): Do not call scan_omp_nested when
1542 parallel_nesting_level is > 1.
1543 Do not change the DECL_CONTEXT of local variables found.
1544 (lookup_decl_in_outer_ctx): New.
1545 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1546 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1547 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1548 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1549 If CTX is nested, lookup VAR in the outer context when
1550 building copy assignment.
1551 (lower_send_clauses): Rename from expand_send_clauses.
1552 If CTX is nested, lookup VAR in the outer context when
1553 building copy assignments.
1554 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1555 If CTX is nested, lookup VAR in the outer context when
1556 building copy assignments.
1557 (expand_parallel_call): Rename from build_parallel_call.
1558 Handle combined parallel+workshare cases.
1559 Re-implement to emit code into the CFG.
1561 (expand_omp_parallel): Re-implement to emit code into the CFG.
1562 Call move_sese_region_to_fn to outline the sub-graph
1563 containing the parallel region.
1564 (expand_omp_for_1): Remove.
1565 (expand_omp_for_generic): Re-implement to emit code into the
1567 (expand_omp_for_static_nochunk): Likewise.
1568 (expand_omp_for_static_chunk): Likewise.
1569 (expand_omp_for): Likewise.
1570 (expand_omp_sections): Likewise.
1571 (remove_exit_barriers): New.
1572 (expand_omp_synch): New.
1574 (build_omp_regions_1): New.
1575 (build_omp_regions): New.
1576 (execute_expand_omp): New.
1577 (gate_expand_omp): New.
1578 (pass_expand_omp): Define.
1579 (lower_omp_sections): Rename from expand_omp_sections.
1580 Set OMP_SECTIONS_SECTIONS.
1581 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1582 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1583 (lower_omp_single): Rename from expand_omp_simple.
1584 (lower_omp_master): Rename from expand_omp_master.
1585 (lower_omp_ordered): Rename from expand_omp_ordered.
1586 (lower_omp_critical): Rename from expand_omp_critical.
1587 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1588 (lower_omp_for): Re-implement.
1589 (lower_omp_parallel): Re-implement.
1590 (lower_regimplify): Rename from expand_regimplify.
1591 (lower_omp_1): Rename from expand_omp_1.
1592 If there are syntax errors in the program, replace every
1593 OpenMP directive with NOP.
1594 Call lower_omp_* instead of expand_omp_*.
1595 (lower_omp): Rename from expand_omp.
1597 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1598 * tree-gimple.h (enum omp_parallel_type): Remove.
1599 (gimple_boolify): Declare extern.
1600 (find_omp_clause, determine_parallel_type): Remove.
1602 * gimple-low.c (lower_omp_directive): New.
1603 (lower_stmt): Call it.
1604 (record_vars_into): Move from ...
1605 (record_vars): ... here.
1606 Call record_vars_into with current_function_decl.
1608 * gimplify.c (struct gimplify_ctx): Remove fields
1609 combined_pre_p and combined_ctxp. Update users.
1610 (get_formal_tmp_var): Add documentation.
1611 (gimple_boolify): Make extern.
1612 (gimplify_expr_in_ctx): Remove. Update callers.
1613 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1614 will always be a BIND_EXPR.
1615 (gimplify_expr): Handle OMP_RETURN_EXPR.
1616 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1617 (OMP_PARALLEL): Add 3 operands.
1618 (OMP_SECTIONS): Add 1 operand.
1619 (OMP_RETURN_EXPR): Define.
1621 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1622 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1623 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1624 creating a circular free list.
1625 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1627 * tree-flow.h (move_sese_region_to_fn): Declare.
1628 (record_vars_into): Declare.
1629 * tree-cfg.c (make_omp_sections_edges): New.
1630 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1631 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1632 OMP_SECTIONS and OMP_SECTION.
1633 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1634 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1635 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1636 (gather_blocks_in_sese_region): New.
1637 (struct move_stmt_d): Declare.
1639 (move_block_to_fn): New.
1640 (move_sese_region_to_fn): New.
1642 * passes.c (init_optimization_passes): Schedule
1643 pass_expand_omp after pass_init_datastructures.
1645 * tree-ssa-operands.c (get_expr_operands): Handle
1646 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1647 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1649 2006-01-19 Jeff Law <law@redhat.com>
1651 * tree-vrp.c (extract_range_from_assert): Refine the result range
1652 if the variable referenced by the ASSERT_EXPR has a range and
1653 either the tentative result range or the previous range is a
1656 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1658 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1660 2006-01-19 Jan Hubicka <jh@suse.cz>
1662 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1664 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1666 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1667 (expand_compound_operation, expand_field_assignment): Fail if the
1668 bit lengths of an extract operation are out of range.
1669 (make_extraction): Compute wanted_inner_mode based on the position
1670 and length of the extraction. Make it extraction_mode for non-constant
1671 positions, and do not modify offset in that case. When generating a
1672 new MEM, use a mode that can hold the extraction while keeping correct
1673 alignment. Remove code that supported MEMs wrapped by USEs.
1674 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1676 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1678 * config/s390/s390.md ("Y", "y"): New mode attribute.
1679 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1680 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1681 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1682 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1683 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1684 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1685 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1686 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1687 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1688 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1689 "addsi3", "subsi3"): Insn patterns removed.
1690 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1691 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1692 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1693 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1694 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1695 "*sub<mode>3_cconly2"): New insn patterns.
1696 ("addsi3", "subsi3"): New expanders.
1698 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1700 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1701 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1702 existing STMT_VINFO_VECTYPE if available.
1703 (vect_mark_relevant): Add special handling for stmts that are
1704 marked as STMT_VINFO_IN_PATTERN_P.
1705 (vect_analyze_loop): Call vect_pattern_recog.
1706 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1707 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1709 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1710 (vect_recog_func_ptr): New function-pointer type.
1711 * tree-vect-patterns.c: New file.
1712 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1713 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1714 (vect_pattern_recog_1): New functions.
1715 (vect_pattern_recog_funcs): New array of function pointers.
1717 * tree-vectorizer.h (ternary_op): New enum value.
1718 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1719 declaration. Revised documentation. Removed redundant dump prints.
1720 Removed redundant argument. Added support for reduction patterns.
1721 (vectorizable_reduction): Added support for reduction patterns.
1722 (vect_transform_stmt): Added support for patterns.
1724 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1725 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1726 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1727 (expand_widen_pattern_expr): New function.
1728 (init_optabs): Initialize new optabs udot_prod_optab,
1730 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1731 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1732 (expand_widen_pattern_expr): New function declaration.
1733 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1735 * tree-inline.c (estimate_num_insns_1): Added cases for new
1736 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1737 * tree-pretty-print.c (dump_generic_node): Likewise.
1738 (op_prio): Likewise.
1739 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1740 * tree-ssa-operands.c (get_expr_operands): Added case for
1742 * tree-vect-patterns.c (widened_name_p): New function.
1743 (vect_recog_dot_prod_pattern): Added function implementation.
1744 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1745 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1746 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1747 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1749 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1750 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1751 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1752 (init_optabs): Initialize new optabs widen_ssum_optab,
1754 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1755 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1756 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1757 use instead of type of def.
1758 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1759 function implementation.
1760 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1761 widen_ssumv8hi): New.
1763 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1766 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1769 * c-decl.c (add_flexible_array_elts_to_size): New function.
1770 (finish_decl): Use it.
1772 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1774 * diagnostic.h: Include options.h.
1775 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1776 dependancies for diagnostic.h.
1777 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1779 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1781 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1782 (ssa_ro_call_cache_valid): Ditto.
1783 * tree-ssa-alias.c (sort_tags_by_id): New function.
1784 (init_transitive_clobber_worklist): Ditto.
1785 (add_to_worklist): Ditto.
1786 (mark_aliases_call_clobbered): Ditto.
1787 (compute_tag_properties): Ditto.
1788 (set_initial_properties): Ditto.
1789 (compute_call_clobbered): Ditto.
1790 (compute_may_aliases): Call compute_call_clobbered and grouping.
1791 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1792 (compute_flow_insensitive_aliasing): Grouping now happens in our
1794 (setup_pointers_and_addressables): Remove clobbering related code.
1795 (add_may_alias): Ditto.
1796 (replace_may_alias): Ditto.
1797 (get_nmt_for): Ditto.
1798 (create_global_var):
1799 (is_escape_site): Return an escape_type enumeration.
1800 * tree-flow-inline.h (is_call_clobbered): Global var does not
1801 imply call clobbered.
1802 (mark_call_clobbered): Take a reason for marking this. Remove
1803 marking of globalness, and cache invalidation.
1804 (clear_call_clobbered): Remove cache invalidation code.
1805 * tree-dfa.c (dump_variable): If details is on, dump the reason
1807 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1809 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1810 (struct var_ann_d): Ditto.
1811 (enum escape_type): New.
1812 (mark_call_clobbered): Adjust prototype.
1813 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1814 are never call clobbered.
1815 Record reasons for escaping.
1816 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1817 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1818 (ssa_ro_call_cache_valid): Ditto.
1819 (clobbered_v_may_defs): Ditto.
1820 (clobbered_vuses): Ditto.
1821 (ro_call_vuses): Ditto.
1822 (clobber_stats): New.
1823 (init_ssa_operands): Zero out clobber stats.
1824 (fini_ssa_operands): Print out clobber stats.
1825 (get_call_expr_operands): Pass callee fndecl to
1827 (add_call_clobber_ops): Remove use of cache.
1828 Add use of PURE_CONST information.
1829 (add_call_read_ops): Remove use of cache.
1830 Add use of static not_read information.
1832 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1834 Introduce TLS descriptors for i386 and x86_64.
1835 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1836 (TARGET_ANY_GNU_TLS): New macro.
1837 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1838 (struct machine_function): Add tls_descriptor_call_expanded_p.
1839 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1840 (ix86_current_function_calls_tls_descriptor): Likewise.
1841 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1842 (override_options): Introduce gnu2 tls dialect.
1843 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1845 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1847 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1848 (ix86_init_machine_status): Initialize new field.
1849 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1850 (ix86_tls_module_base): New.
1851 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1852 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1853 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1854 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1855 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1856 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1857 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1858 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1859 * config/i386/predicates.md (tls_modbase_operand): New.
1860 (tp_or_register_operand): New.
1862 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1864 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1865 (look_for_address_of): Ditto.
1866 (ipa_init): Walk the function decls.
1867 (static_execute): Don't set readonly on FUNCTION_DECL's.
1869 2006-01-18 Roger Sayle <roger@eyesopen.com>
1871 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1872 for shifts where the source and destination registers are different.
1874 2006-01-18 Paul Brook <paul@codesourcery.com>
1876 Merge from csl-arm-branch.
1877 2005-03-14 Julian Brown <julian@codesourcery.com>
1878 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1879 (aeabi_llsl): Likewise.
1880 (ashrdi3): Likewise.
1881 (aeabi_lasr): Likewise.
1882 (lshrdi3): Likewise.
1883 (aeabi_llsr): Likewise.
1884 2005-03-10 Julian Brown <julian@codesourcery.com>
1885 * config.gcc: Disable shared libgcc for SymbianOS.
1886 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1888 2006-01-18 DJ Delorie <dj@redhat.com>
1890 * c-pragma.c (handle_pragma_diagnostic): New.
1891 (init_pragma): Register it.
1892 * doc/extend.texi: Document it.
1894 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1895 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1896 (diagnostic_context): Add classify_diagnostic[].
1897 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1898 as errors if they're overridden to DK_WARNING.
1899 (diagnostic_initialize): Initialize classify_diagnostic[].
1900 (diagnostic_set_kind_override): New.
1901 (diagnostic_report_diagnostic): Check for kind changes.
1902 * opts.c (common_handle_option): Take lang_mask. Update callers.
1904 * common.opt (Werror=): New.
1905 * doc/invoke.texi: Document -Werror=*
1907 2006-01-18 Jeff Law <law@redhat.com>
1909 * tree-vrp.c (test_for_singularity): Correct test for new
1910 min limit. Use operand_equal_p rather than pointer equality
1911 for testing if new min/max values are equal.
1913 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1914 using range information until after propagation and folding.
1916 2006-01-18 Richard Henderson <rth@redhat.com>
1917 Aldy Hernandez <aldyh@redhat.com>
1918 Jakub Jelinek <jakub@redhat.com>
1919 Diego Novillo <dnovillo@redhat.com>
1921 * omp-low.c: New file.
1922 * c-omp.c: New file.
1924 2006-01-18 Richard Henderson <rth@redhat.com>
1925 Jakub Jelinek <jakub@redhat.com>
1926 Diego Novillo <dnovillo@redhat.com>
1928 * doc/invoke.texi: Document -fopenmp.
1929 * tree-dump.h (debug_function): Declare.
1930 * hooks.c (hook_bool_tree_bool_false): New function.
1931 (hook_tree_tree_null): Remove.
1932 (hook_tree_tree_tree_null): New.
1933 * hooks.h: Update to match.
1934 * tree-pretty-print.c (debug_tree_chain): New.
1935 (print_generic_expr): Handle TDF_CHAIN.
1936 (dump_generic_node): Handle BLOCK.
1937 Do not abort with incomplete SWITCH_EXPRs.
1938 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1939 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1940 print space after directive name.
1941 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1942 Handle OMP_MASTER and OMP_ORDERED.
1943 Handle printing of OMP_BODY just in one place, goto
1944 dump_omp_body in the rest of OMP_* nodes that have
1946 Don't handle clause nodes here. Update omp statements to
1947 use dump_omp_clauses.
1948 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1949 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1950 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1951 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1952 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1953 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1954 Adjust output for GOMP_PARALLEL.
1955 (dump_omp_clauses): New.
1956 (print_declaration): Dump DECL_VALUE_EXPR.
1957 (op_symbol_1): Split out of op_symbol.
1958 (dumping_stmts): Remove. Update all users.
1959 * cgraph.c (cgraph_analyze_queue): New.
1960 (cgraph_add_new_function): New.
1961 * cgraph.h (cgraph_analyze_queue): Declare.
1962 (cgraph_add_new_function): Declare.
1963 (cgraph_lower_function): Remove.
1964 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1965 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1966 and TYPE_P nodes in its default clause.
1967 (empty_body_p): New.
1968 (tree_range_check_failed): New.
1970 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1971 OMP_CLAUSE_REDUCTION_MERGE,
1972 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1973 OMP_CLAUSE_PRIVATE_DEBUG,
1974 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1975 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1976 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1977 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1978 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1979 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1980 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1981 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1982 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1983 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1984 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1985 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1986 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1987 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1988 (TREE_RANGE_CHECK): New.
1989 (empty_body_p): Declare.
1990 (enum omp_clause_default_kind): New.
1991 (build_string_literal): Declare.
1992 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1993 (build5_stat, build5): Declare.
1994 * tree-pass.h (TDF_CHAIN): Define.
1995 * tree-pass.h (PROP_gimple_lomp): Define.
1996 (pass_lower_omp): Declare.
1997 * diagnostic.h (debug_tree_chain): Declare.
1998 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2000 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2001 * builtins.c (build_string_literal): Make extern.
2002 * gcc.c (include_spec_function): New.
2003 (static_spec_functions): Add it.
2004 (main): Move load of libgomp.spec ...
2005 (LINK_COMMAND_SPEC): ... here.
2006 (link_gomp_spec): New.
2007 (static_specs): Include it.
2008 (LINK_COMMAND_SPEC): Add link_gomp.
2009 (GOMP_SELF_SPECS): New.
2010 (driver_self_specs): Include it.
2011 (switch_matches): Don't mark inline.
2012 (main): Load libgomp.spec.
2013 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2014 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2015 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2016 * tree-gimple.h (enum omp_parallel): Declare.
2017 (determine_parallel_type): Declare.
2018 (omp_firstprivatize_variable): Declare.
2019 (omp_reduction_init): Declare.
2020 (diagnose_omp_structured_block_errors): Declare.
2021 (struct walk_stmt_info): Add want_return_expr.
2022 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2023 (find_omp_clause): Declare.
2024 (insert_field_into_struct): Declare.
2025 (struct walk_stmt_info): Move from tree-nested.c
2026 (walk_stmts): Declare.
2027 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2029 * cgraphunit.c (cgraph_lower_function): Make static.
2030 (cgraph_finalize_pending_functions): New.
2031 (cgraph_finalize_function): Call it.
2032 (cgraph_finalize_compilation_unit): Likewise.
2033 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2034 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2035 (BT_FN_UINT_UINT): New.
2036 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2037 DEF_FUNCTION_TYPE_VAR_4): Document.
2038 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2039 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2040 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2041 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2042 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2043 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2044 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2045 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2046 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2047 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2048 into separate files.
2049 (DEF_GOMP_BUILTIN): New.
2050 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2051 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2052 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2053 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2054 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2055 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2056 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2057 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2058 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2059 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2060 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2061 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2062 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2063 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2064 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2065 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2066 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2067 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2068 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2069 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2070 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2071 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2072 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2073 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2074 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2075 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2076 * sync-builtins.def: New file, moved from builtins.def.
2077 * omp-builtins.def: New file, moved from builtins.def.
2078 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2079 * gimple-low.c (lower_function_body): Clear data.
2080 (lower_stmt): Do not handle COMPOUND_EXPR.
2081 Remove call to print_node_brief.
2082 * c-tree.h (c_finish_omp_clauses): New prototype.
2083 (C_DECL_THREADPRIVATE_P): Define.
2084 (lookup_name_no_remap, c_omp_remap_private): Remove
2085 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2086 (check_for_loop_decls): Update decl.
2087 (lookup_name_no_remap, c_omp_remap_private): Declare.
2088 (build_indirect_ref, build_modify_expr, pushdecl,
2089 pushdecl_top_level): Move to c-common.h.
2090 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2091 before the switch, but just in the 2 places that need it.
2092 * c-decl.c (diagnose_mismatched_decls): Do not check for
2093 mismatched thread-local attributes when OLDDECL is marked
2094 threadprivate and NEWDECL has no thread-local attributes.
2095 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2096 (c_gimple_diagnostics_recursively): Rename from
2097 c_warn_unused_result_recursively. Invoke
2098 diagnose_omp_structured_block_errors.
2099 (check_for_loop_decls): Return a singular decl found.
2100 * langhooks.c (lhd_omp_predetermined_sharing): Return
2101 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2102 (lhd_omp_firstprivatize_type_sizes): New.
2103 (lhd_omp_assignment): New.
2104 (lhd_omp_predetermined_sharing): New.
2105 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2106 (struct lang_hooks_for_types): Add
2107 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2108 omp_predetermined_sharing, omp_disregard_value_expr,
2109 omp_private_debug_clause, omp_clause_default_ctor,
2110 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2111 (c_finish_omp_clauses): New.
2112 (c_finish_bc_stmt): Diagnose break within omp for.
2113 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2114 (build_unary_op): Return error_mark after reporting
2116 (build_modify_expr): Likewise.
2117 * gimplify.c: Include optabs.h and pointer-set.h.
2118 (enum gimplify_omp_var_data): Declare.
2119 (struct gimplify_omp_ctx): Declare.
2120 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2122 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2123 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2124 (splay_tree_compare_decl_uid): New.
2125 (new_omp_context): New.
2126 (delete_omp_context): New.
2127 (gimple_add_tmp_var): Call omp_add_variable.
2128 (gimplify_bind_expr): Likewise.
2129 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2130 true, disregard DECL_VALUE_EXPR on the decl if any.
2131 (gimplify_expr_in_ctx): New.
2132 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2133 omp_add_variable, omp_notice_variable, omp_is_private
2134 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2135 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2136 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2137 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2138 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2139 gimplify_omp_atomic): New.
2140 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2141 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2142 OMP_CRITICAL and OMP_ATOMIC.
2143 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2144 * c-pragma.h (enum pragma_kind): Add
2145 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2146 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2147 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2148 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2149 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2150 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2151 PRAGMA_OMP_THREADPRIVATE.
2152 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2153 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2154 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2155 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2156 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2157 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2158 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2159 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2160 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2161 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2162 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2163 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2164 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2166 (struct nesting_info): Add field_map,
2167 suppress_expansion, debug_var_chain.
2168 (create_nesting_tree): Initialize them.
2169 (lookup_field_for_decl): Use field_map.
2170 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2171 (convert_local_omp_clauses): New.
2172 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2173 (walk_body): Split out of walk_function.
2174 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2175 (convert_nonlocal_reference): Handle omp statements.
2176 (convert_local_reference): Likewise.
2177 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2178 (unnest_nesting_tree): New.
2179 (lower_nested_functions): Call it.
2180 (insert_field_into_struct): Make extern.
2181 (struct walk_stmt_info): Move to tree-gimple.h.
2182 (walk_stmts): Make extern.
2183 * omp-builtins.def: New file.
2184 * tree-iterator.c (expr_only): Clarify comment.
2185 * c-common.h (pushdecl_top_level, pushdecl,
2186 build_modify_expr, build_indirect_ref,
2187 c_finish_omp_master, c_finish_omp_critical,
2188 c_finish_omp_ordered, c_finish_omp_barrier,
2189 c_finish_omp_atomic, c_finish_omp_flush,
2190 c_finish_omp_for, c_split_parallel_clauses,
2191 omp_clause_default_kind, c_omp_sharing_predetermined,
2192 c_omp_remap_decl): Declare.
2193 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2194 (OBJS-common): Add omp-low.o.
2195 (c-omp.o, omp-low.o): Add.
2196 (gimplify.o): Add dependency on $(OPTABS_H).
2197 (GTFILES): Add omp-low.c.
2198 (gt-stringpool.h): Add.
2199 * tree-cfg.c (set_bb_for_stmt): Do not update the
2200 block-to-labels map if we are currently expanding to RTL.
2201 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2203 Handle IDENTIFIER_NODE.
2204 (tree_verify_flow_info): Do not ICE when emitting error
2205 messages about invalid labels.
2206 (dump_function_to_file): Reset CFUN before emitting the body
2208 (debug_function): New.
2209 * passes.c (init_optimization_passes): Schedule
2211 * langhooks-def.h (lhd_omp_predetermined_sharing,
2212 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2214 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2215 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2216 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2217 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2218 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2219 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2220 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2221 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2222 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2223 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2224 (LANG_HOOK_DECLS): Use them.
2226 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2227 Richard Henderson <rth@redhat.com>
2228 Jakub Jelinek <jakub@redhat.com>
2229 Diego Novillo <dnovillo@redhat.com>
2231 * c-parser.c (pragma_omp_clause): Define.
2232 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2233 (c_parser_compound_statement): Likewise.
2234 (c_parser_statement): Likewise.
2235 (c_parser_pragma): Handle omp pragmas.
2236 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2237 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2238 (c_parser_omp_clause_name, check_no_duplicate_clause,
2239 c_parser_omp_variable_list,
2240 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2241 c_parser_omp_clause_copyprivate,
2242 c_parser_omp_clause_default,
2243 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2244 c_parser_omp_clause_lastprivate,
2245 c_parser_omp_clause_nowait,
2246 c_parser_omp_clause_num_threads,
2247 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2248 c_parser_omp_clause_reduction,
2249 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2250 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2251 c_parser_omp_atomic, c_parser_omp_barrier,
2252 c_parser_omp_critical, c_parser_omp_flush,
2253 c_parser_omp_for_loop, c_parser_omp_for,
2254 c_parser_omp_master, c_parser_omp_ordered,
2255 c_parser_omp_sections_scope, c_parser_omp_sections,
2256 c_parser_omp_parallel, c_parser_omp_single,
2257 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2258 * c-pragma.c (init_pragma): Do omp pragma registration here.
2259 * c.opt (fopenmp): New flag.
2261 2006-01-18 Eric Christopher <echristo@apple.com>
2263 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2264 * config/darwin.h (GOMP_SELF_SPECS): Define.
2266 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2268 * rtl.h: Remove the prototype for reg_alloc.
2270 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2273 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2274 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2275 sjlj and dwarf2 exception handling.
2276 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2277 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2278 * pa/pa.c (function_value): Treat complex and vector types as
2280 (function_arg): Likewise. Only pass scalar floats in the floating
2281 point argument registers.
2282 * pa/t-slibgcc-dwarf-ver: New file.
2283 * pa/t-slibgcc-sjlj-ver: New file.
2284 * pa/t-slibgcc-elf-ver: Delete file.
2286 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2288 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2289 unlikely_test_section_p test.
2291 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2293 * mode-switching.c (optimize_mode_switching): Make it static.
2294 * basic-block.h: Remove the prototype for
2295 optimize_mode_switching.
2297 * modulo-sched.c (sms_schedule): Make it static.
2298 * rtl.h: Remove the prototype for sms_schedule.
2300 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2301 * rtl.h: Remove the prototype for gcse_after_reload_main.
2303 * reg-stack.c (reg_to_stack): Make it static.
2304 * rtl.h: Remove the prototype for reg_to_stack.
2306 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2308 * rtl.h: Remove the prototypes for regrename_optimize and
2309 copyprop_hardreg_forward.
2311 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2313 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2314 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2315 Test against the appropriate null constant for the mode.
2316 If 'fixup_overlap' is true, swap the operands if they overlap.
2317 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2318 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2319 alpha_split_tmode_pair and adjust for above change.
2320 * config/alpha/alpha.md (movtf_internal): Adjust call to
2321 alpha_split_tfmode_pair and rely on it to swap the operands.
2322 (movti_internal): New insn and post-reload splitter.
2323 (movti): New expander.
2325 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2327 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2330 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2332 * rtlanal.c (global_reg_mentioned_p_1,
2333 global_reg_mentioned_p): Remove.
2334 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2336 * flow.c (initialize_uninitialized_subregs): Make it static.
2337 * rtl.h: Remove the prototype for
2338 initialize_uninitialized_subregs.
2340 * function.c (instantiate_virtual_regs): Make it static.
2341 * function.h: Remove the prototype for
2342 instantiate_virtual_regs.
2344 * regmove.c (regmove_optimize, combine_stack_adjustments):
2346 * rtl.h: Remove the prototypes for regmove_optimize and
2347 combine_stack_adjustments.
2349 2006-01-17 Roger Sayle <roger@eyesopen.com>
2351 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2352 (size_cost): Encode costs in bytes so that a reg-reg addition is
2353 equivalent to COSTS_N_INSNS(1).
2354 (override_options): Use the size_cost.branch_cost as the default
2355 ix86_branch_cost when optimizing for size.
2357 2006-01-18 Ben Elliston <bje@au.ibm.com>
2359 * Makefile.in (D32PBIT_FUNCS): New.
2360 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2361 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2362 D64PBIT_FUNCS and D128PBIT_FUNCS.
2363 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2364 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2366 (decnumber_dep): Define.
2367 * doc/libgcc.texi (Decimal float library routines): New node.
2368 * config/dfp-bit.h, config/dfp-bit.c: New files.
2370 2006-01-18 Ben Elliston <bje@au.ibm.com>
2372 * expr.c (emit_move_change_mode): Always adjust addresses, not
2373 just during reload. Copy replacements only during reload.
2374 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2375 emit_move_via_integer.
2377 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2379 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2380 instead of $(srcdir) and ${srcdir}.
2382 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2386 * arm.h (struct machine_function): Add pic_reg.
2387 * arm.c (arm_pic_register): Make unsigned.
2388 (arm_override_options): Only set arm_pic_register if
2389 TARGET_SINGLE_PIC_BASE.
2390 (use_return_insn): Only test for a pic register if it is fixed.
2391 (arm_compute_save_reg0_reg12_mask): Likewise.
2392 (thumb_compute_save_reg_mask): Likewise.
2393 (legitimate_pic_operand): Factor out some known invariants.
2394 (legitimize_pic_address): If we don't have a fixed pic register,
2395 then set up a pseudo in the function entry sequence. Handle the
2396 pic base being in a pseudo.
2397 (arm_load_pic_register): Handle the pic register being in a pseudo.
2398 (arm_expand_prologue): Only set up the pic register if it is fixed.
2399 (thumb_expand_prologue): Likewise.
2400 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2401 (pic_load_addr_based_insn): Likewise.
2402 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2405 2006-01-18 Ben Elliston <bje@au.ibm.com>
2407 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2408 decimal float modes for all floating point registers.
2410 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2411 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2413 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2416 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2417 even when the pointer is not NULL.
2419 2006-01-16 Ian Lance Taylor <ian@airs.com>
2421 * common.opt (ftoplevel-reorder): New option.
2422 * cgraph.c (cgraph_asm_nodes): New global variable.
2423 (cgraph_asm_last_node): New static variable.
2424 (cgraph_order): New global variable.
2425 (cgraph_create_node): Set new order field.
2426 (cgraph_varpool_node): Likewise.
2427 (decide_is_variable_needed): Return true if not
2428 flag_toplevel_reorder.
2429 (cgraph_add_asm_node): New function.
2430 * cgraph.h (struct cgraph_node): Add order field.
2431 (struct cgraph_varpool_node): Add order field.
2432 (struct cgraph_asm_node): Define.
2433 (cgraph_asm_nodes, cgraph_order): Declare.
2434 (cgraph_add_asm_node): Declare.
2435 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2437 (cgraph_varpool_assemble_pending_decls): Call it.
2438 (cgraph_output_pending_asms): New static function.
2439 (cgraph_finalize_compilation_unit): Call it.
2440 (struct cgraph_order_sort): Define.
2441 (cgraph_output_in_order): New static function.
2442 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2443 !flag_toplevel_reorder case.
2444 * c-parser.c: Include "cgraph.h".
2445 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2447 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2448 than -fno-unit-at-a-time.
2449 * doc/invoke.texi (Option Summary): Mention
2450 -fno-toplevel-reorder.
2451 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2452 -funit-at-a-time documentation.
2454 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2455 Kazu Hirata <kazu@codesourcery.com>
2457 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2459 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2461 * Makefile.in (FUNCTION_H): New. Use it instead of
2462 function.h throughout the file.
2463 * function.h: Include tree.h.
2465 2006-01-17 Ben Elliston <bje@au.ibm.com>
2467 * recog.c: Separate some functions with whitespace.
2469 2006-01-16 Richard Henderson <rth@redhat.com>
2471 Merge from gomp branch:
2472 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2473 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2474 and rename from struct inline_data. Rename callee* to dst*;
2475 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2476 transform_new_cfg, transform_return_to_modify, and
2477 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2479 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2480 (copy_decl_for_dup): Remove.
2481 * tree-inline.c (struct inline_data): Move to header.
2482 (insert_decl_map): Export.
2483 (remap_decl): Update for member name changes. Use copy_decl hook.
2484 Allow for replacement to be a non-decl. Remove dead code.
2485 (remap_type_1): Check for existing mapping.
2486 (remap_type): Export.
2487 (remap_decls): Update for member name changes.
2488 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2489 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2490 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2491 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2492 (tree_function_versioning, build_duplicate_type): Likewise.
2493 (copy_body_r): Likewise. Export.
2494 (copy_decl_for_dup): Split into ...
2495 (copy_decl_for_dup_finish, copy_decl_to_var,
2496 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2497 (replace_ref_tree, inlining_p): Remove.
2499 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2501 * ifcvt.c (if_convert): Make it static.
2502 * rtl.h: Remove the prototype for if_convert.
2504 * local-alloc.c (local_alloc): Make it static.
2505 * rtl.h: Remove the prototype for local_alloc.
2507 * loop.c (loop_optimize): Make it static.
2508 * cfgloop.h: Remove the prototype for loop_optimize.
2511 2006-01-16 DJ Delorie <dj@redhat.com>
2513 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2516 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2518 * pa.md: Disparage copies between general and floating-point registers
2519 in 32-bit move patterns.
2521 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2524 * Makefile.in (check-%): Depend on site.exp instead of
2525 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2528 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2530 * global.c (global_alloc): Make it static.
2531 * rtl.h: Remove the prototype for global_alloc.
2533 2006-01-16 Richard Guenther <rguenther@suse.de>
2535 * tree-ssa-alias.c (struct used_part): Add write_only field.
2536 (get_or_create_used_part_for): Initialize it to true.
2537 (create_overlap_variables_for): Don't create structure variables
2538 for structures that only are written to.
2539 (find_used_portions): Handle MODIFY_EXPR to track whether a
2540 structure is only written to.
2542 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2544 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2546 * basic-block.h: Remove the prototype for
2547 partition_hot_cold_basic_blocks.
2549 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2551 * cppspec.c (lang_specific_spec_functions): Remove.
2552 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2553 * gcc.h (lang_specific_spec_functions): Remove.
2554 * gccspec.c (lang_specific_spec_functions): Remove.
2556 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2558 * combine.c (record_value_for_reg): Invalidate registers
2560 (record_dead_and_set_regs_1): Likewise, by passing them to
2561 record_value_for_reg.
2562 (record_dead_and_set_regs): Invalidate stores made by a
2563 call. We do not combine across a call, but we still
2564 relied on equivalences.
2566 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2568 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2569 vrp_int_const_binop returning non-constant nodes.
2571 2006-01-16 Paul Brook <paul@codesourcery.com>
2573 * config/m68k/m68k.c (output_move_const_into_data_reg):
2574 Output correct mnemonic for mvz and mvs.
2576 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2578 * rtl-factoring.c: Add sequence abstraction algorithm.
2579 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2580 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2582 (block_has_preserve_label): New function.
2583 * common.opt: Register new pass.
2584 * Makefile.in: Ditto.
2586 * timevar.def: Ditto.
2587 * tree-pass.h: Ditto.
2588 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2589 * rtl.h (make_jump_insn_raw): Add forward decl.
2590 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2592 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2593 Roger Sayle <roger@eyesopen.com>
2595 * fold-const.c (fold_minmax): New static function.
2596 (fold_binary) <MIN_EXPR>: Call it.
2597 <MAX_EXPR>: Likewise.
2598 * stor-layout.c (place_field): Use DECL_SIZE consistently
2599 in the computation of the new record size.
2601 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2603 * cse.c (cse_condition_code_reg): Make it static.
2604 * rtl.h: Remove the prototype for cse_condition_code_reg.
2606 * combine.c (combine_instructions): Make it static.
2607 * rtl.h: Remove the prototype for combine_instructions.
2609 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2612 * tree.c (get_file_function_name_long): Concatenate the first global
2613 object name with a string derived from the input filename of the object
2616 2006-01-16 Ben Elliston <bje@au.ibm.com>
2618 * config/i386/winnt-stubs.c: Update FSF address.
2619 * config/xtensa/ieee754-df.S: Ditto.
2620 * config/xtensa/ieee754-sf.S: Ditto.
2622 2006-01-14 Ian Lance Taylor <ian@airs.com>
2624 * ifcvt.c (noce_init_if_info): New static function, broken out of
2625 noce_process_if_block.
2626 (noce_process_if_block): Call noce_init_if_info.
2627 (check_cond_move_block): New static function.
2628 (cond_move_process_if_block): New static function.
2629 (process_if_block): Call cond_move_process_if_block.
2631 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2633 * cselib.c (hash_table): Rename to cselib_hash_table.
2634 (cselib_clear_table, discard_useless_values,
2635 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2636 cselib_init, cselib_finish): Adjust uses of hash_table.
2638 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2640 PR tree-optimization/25485
2641 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2642 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2643 is known to be false and true, respectively.
2645 2006-01-14 Richard Guenther <rguenther@suse.de>
2647 PR tree-optimization/22548
2648 PR tree-optimization/22555
2649 PR tree-optimization/22501
2650 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2651 * params.def (salias-max-array-elements): New parameter.
2652 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2653 * doc/invoke.texi (salias-max-array-elements): Document.
2654 * tree-flow-inline.h (var_can_have_subvars): We also handle
2656 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2658 * tree-ssa-structalias.c (params.h): Include.
2659 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2660 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2661 (get_constraint_for): For ADDR_EXPR operating on something
2662 containing an ARRAY_REF, add all subvars to the solution.
2663 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2664 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2665 for creating MUST_DEFs.
2666 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2668 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2670 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2672 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2673 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2674 number_of_iterations_le): New functions.
2675 (number_of_iterations_special): Removed.
2676 (number_of_iterations_exit): Do not use number_of_iterations_special.
2677 * tree.c (unsigned_type_for): Always return integer type.
2679 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2680 Richard Guenther <rguenther@suse.de>
2682 PR rtl-optimization/24257
2683 * gcse.c (find_moveable_store): Only consider a store movable
2684 when the SET_SRC of the insn can be assigned to a register.
2686 2006-01-14 Ian Lance Taylor <ian@airs.com>
2688 * tree.c (tree_not_class_check_failed): New function.
2689 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2690 (tree_not_class_check_failed): Declare.
2692 2006-01-13 Ian Lance Taylor <ian@airs.com>
2694 * reload1.c (do_output_reload): Add assertion rejecting a
2697 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2699 * combine.c (struct reg_stat): Add new fields truncation_label and
2701 (record_value_for_reg): Reset truncated_to_mode.
2702 (record_truncated_value): New function.
2703 (check_promoted_subreg): Call it. Rename to check_conversions.
2704 (combine_instructions): Rename check_promoted_subreg to
2706 (reg_truncated_to_mode): New function.
2707 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2708 (gen_lowpart_or_truncate): New function.
2709 (force_to_mode): Use it instead of gen_lowpart.
2711 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2713 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2714 VAR is a tag, not its type tag.
2716 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2718 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2719 alternatives to match style of other entries.
2720 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2722 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2724 PR tree-optimization/25771
2725 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2728 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2731 * tree-inline.c (declare_return_variable): If the return variable
2732 was marked as a non gimple complex, set the return slot variable
2733 to be a non gimple comple variable.
2735 2006-01-13 Richard Guenther <rguenther@suse.de>
2737 * builtins.c (expand_builtin_sincos): New function.
2738 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2740 (expand_builtin): Expand sincos using expand_builtin_sincos.
2742 2006-01-12 DJ Delorie <dj@redhat.com>
2744 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2745 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2746 so that constant shifts can be split.
2747 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2748 (m32c_valid_pointer_mode): Make static.
2749 (shift_gen_func_for): New.
2750 (m32c_prepare_shift): Use it. Split large const shifts into
2752 * config/m32c/predicates.md (shiftcount_operand): Allow more
2754 (longshiftcount_operand): New.
2755 * doc/md.texi (Machine Constraints): Document In6.
2757 2006-01-13 Ben Elliston <bje@au.ibm.com>
2759 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2760 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2763 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2765 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2766 to try to avoid clobbering pieces of structures when we know
2767 something about the whole structure.
2768 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2770 2006-01-13 Ben Elliston <bje@au.ibm.com>
2772 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2773 return in memory, as this is no limitation is no longer present.
2775 2006-01-12 DJ Delorie <dj@redhat.com>
2777 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2778 mova with fb, and for fb+0 -> An.
2780 * config/m32c/mov.md (peephole2): Fix enabling logic.
2782 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2783 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2784 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2785 FINI_ARRAY_SECTION_ASM_OP): Define.
2787 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2789 (m32c_legitimize_reload_address): New logic to reload FB to An.
2790 (m32c_output_reg_push): Add newline.
2791 (m32c_output_reg_pop): Likewise.
2793 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2795 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2797 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2799 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2801 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2803 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2806 2006-01-11 Ben Elliston <bje@au.ibm.com>
2808 * rtlanal.c (find_reg_note): Assert insn is not null.
2810 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2812 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2815 2006-01-11 Jeff Law <law@redhat.com>
2817 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2819 (mark_threaded_blocks, register_jump_thread): New functions.
2820 (thread_through_all_blocks): Remove unwanted argument. No
2821 longer rely on e->aux to communicate thread target info.
2822 Call mark_threaded_blocks. Release the threaded_blocks
2823 bitmap and threaded_edges vector when complete.
2824 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2825 (threaded_blocks): Remove.
2826 (tree_ssa_dominator_optimize): Remove initialization and
2827 finalization of threaded_blocks. Simplify call to
2828 thread_through_all_blocks.
2829 (thread_across_edge): Call register_jump_thread rather than
2830 storing thread information into e->aux.
2831 (free_all_edge_infos): Simplify now that e->aux is no longer
2832 used to communicate with thread_through_all_blocks.
2833 * tree-flow.h (thread_through_all_blocks): Update prototype.
2834 (register_jump_thread): Prototype.
2836 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2838 * df-core.c (df_compact_blocks, df_bb_replace): Use
2839 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2841 2006-01-11 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/25734
2844 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2845 stop propagation after successful propagation to the LHS.
2847 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2849 * basic-block.h (control_flow_graph): Change the type of
2850 x_basic_block_info to VEC(basic_block,gc) *.
2851 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2853 (SET_BASIC_BLOCK): New.
2854 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2855 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2856 * cfgbuild.c (find_basic_blocks): Likewise.
2857 * cfglayout.c (fixup_reorder_chain): Likewise.
2858 * cfgrtl.c (create_basic_block_structure,
2859 rtl_create_basic_block): Likewise.
2860 * ifcvt.c (find_if_case_1): Likewise.
2861 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2864 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2866 * Makefile.in: Removed rotted odf.c entry.
2868 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2871 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2872 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2873 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2874 output pattern modifier, not %e.
2875 * config/cris/cris.c (cris_op_str): Update comment about pattern
2877 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2878 before falling through into...
2879 <case 'E'>: Redefined from old 'e' case.
2881 2006-01-11 Jan Hubicka <jh@suse.cz>
2884 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2886 2006-01-11 Jan Hubicka <jh@suse.cz>
2888 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2889 * i386.c (x86_decompose_lea): Kill.
2890 (ix86_rtx_costs): Kill.
2892 2006-01-11 Jan Hubicka <jh@suse.cz>
2894 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2895 * cgraph.h (cgraph_node): Add inline_decl.
2896 (cgraph_insert_node_to_hashtable): Declare.
2897 (save_inline_function_body): Declare.
2898 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2900 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2901 (cgraph_function_versioning): Update call of tree_function_versioning.
2902 (save_inline_function_body): New function.
2903 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2904 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2905 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2906 (cgraph_default_inline_p): Likewise.
2907 (cgraph_decide_inlining_incrementally): Likewise.
2908 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2909 (copy_bb): Kill saving; do updating of clones.
2910 (copy_cfg_body): Kill saving.
2911 (initialize_inlined-parameters): Likewise.
2912 (expand_call_inline): Likewise.
2914 (tree_function_versioning): New parameter "update_clones".
2915 (inlining_p): Kill saving.
2916 * tree-inline.h (tree_function_versioning): Update prototype.
2917 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2920 2006-01-11 Ian Lance Taylor <ian@airs.com>
2922 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2923 Allow undoing set of machine mode.
2924 (do_SUBST): Use enums instead of is_int.
2925 (do_SUBST_MODE): New function.
2926 (SUBST_MODE): New macro.
2927 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2928 reg and trying to replace reg_regno_rtx with a new register.
2929 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2930 (simplify_set): Use SUBST_MODE.
2931 (distribute_notes): Remove code that tried to update reg notes
2932 for regno_reg_rtx changes.
2934 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2936 PR tree-optimization/23109
2937 PR tree-optimization/23948
2938 PR tree-optimization/24123
2940 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2941 * tree-cfg.c (single_noncomplex_succ): New.
2942 * tree-flow.h (single_noncomplex_succ): Declare it.
2943 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2944 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2945 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2946 insert_bb, register_division_in, insert_reciprocals,
2947 replace_reciprocal, free_bb): New.
2948 (execute_cse_reciprocals_1): Rewritten.
2949 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2950 Do not commit any edge insertion. Always compute dominators and
2951 create the allocation pool.
2952 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2953 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2954 * targhooks.c (default_min_divistions_for_recip_mul): New.
2955 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2956 * passes.c (init_optimization_passes): Run recip after tree loop
2958 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2960 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2961 Kenneth Zadeck <zadeck@naturalbridge.com>
2963 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2964 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2965 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2966 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2967 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2968 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2969 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2970 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2971 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2972 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2973 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2974 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2975 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2976 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2977 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2978 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2979 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2980 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2981 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2982 DF_SCAN_POST_ALLOC): New macros.
2983 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2984 df_free_bb_function, df_local_compute_function, df_init_function,
2985 df_dataflow_function, df_confluence_function_0,
2986 df_confluence_function_n, df_transfer_function,
2987 df_finalizer_function, df_free_function, df_dump_problem_function,
2988 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2989 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2990 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2991 df_urec_bb_info, ) New types.
2992 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2994 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2995 df_analyze_simple_change_some_blocks,
2996 df_analyze_simple_change_one_block, df_compact_blocks,
2997 df_bb_replace, df_bb_regno_last_use_find,
2998 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2999 df_insn_regno_def_p, df_find_def, df_find_use,
3000 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3001 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3002 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3003 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3004 debug_df_chain, df_get_dependent_problem, df_chain_create,
3005 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3006 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3007 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3008 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3009 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3010 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3011 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3012 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3013 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3014 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3015 df_reorganize_refs, df_set_state, df_hard_reg_init,
3016 df_read_modify_subreg_p) New public functions.
3017 * df-core.c: The core dataflow solver and glue routines for rtl
3019 (df_init, df_add_problem, df_set_blocks, df_finish,
3020 df_hybrid_search_forward, df_hybrid_search_backward,
3021 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3022 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3023 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3024 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3025 df_reg_defined, df_find_use, df_reg_used, df_dump,
3026 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3027 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3028 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3029 debug_df_useno, reset_df_after_reload): New functions.
3030 * df-scan.c: The scanning fuctions, once in df.c, completely
3031 rewritten so that they now fully model the functionality of
3032 register usage at the backend.
3033 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3034 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3035 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3036 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3037 df_get_artificial_defs, df_get_artificial_uses,
3038 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3039 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3040 df_refs_delete, df_reorganize_refs, df_set_state,
3041 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3042 df_def_record_1, df_defs_record, df_uses_record,
3043 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3044 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3045 df_record_exit_block_uses, df_hard_reg_init): New functions.
3047 * df-problems.c: Seven concrete dataflow problems that use the
3048 scanning in df-scan.c and are solved by the engine in df-core.c.
3049 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3050 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3051 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3052 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3053 df_ru_free_bb_info, df_ru_alloc,
3054 df_ru_bb_local_compute_process_def,
3055 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3056 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3057 df_ru_transfer_function, df_ru_free, df_ru_dump,
3058 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3059 df_rd_free_bb_info, df_rd_alloc,
3060 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3061 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3062 df_rd_transfer_function, df_rd_free, df_rd_dump,
3063 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3064 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3065 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3066 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3067 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3068 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3069 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3070 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3071 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3072 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3073 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3074 df_urec_mark_reg_use_for_earlyclobber,
3075 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3076 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3077 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3078 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3079 df_chain_create_bb_process_use, df_chain_create_bb,
3080 df_chain_finalize, df_chain_free, df_chains_dump,
3081 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3082 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3083 df_reg_lifetime): New functions.
3084 * df.c: Deleted file.
3085 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3086 consistent with new df api.
3087 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3088 rest_of_handle_sms): Ditto.
3089 * web.c (unionfind_union, union_defs, entry_register, web_main):
3091 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3092 invariant_expr_equal_p, find_defs, check_dependencies,
3093 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3094 free_inv_motion_data, move_loop_invariants): Ditto.
3095 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3096 Update dependencies.
3097 (odf.c): Added defective entry that was deleted later in day.
3098 * sched-deps.c (sched_analyze_1): Ditto.
3100 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3102 * tree-ssa-operands.c (get_expr_operands): Record addressable
3103 variables directly. Do not call add_stmt_operands for CONST_DECLs
3105 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3106 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3108 2006-01-11 Ben Elliston <bje@au.ibm.com>
3110 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3111 function returns true in the positive case.
3113 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3116 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3117 for SI, DI, SF and DF modes. Add alternatives to copy between
3118 general and floating point registers to the 32-bit patterns.
3119 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3120 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3121 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3122 generating 64-bit code.
3123 * config/pa/pa.c (output_move_double): Handle copies between general
3124 and floating registers.
3126 2006-01-10 Stuart Hastings <stuart@apple.com>
3128 * config/i386/i386.md (set_got): Update.
3129 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3130 (builtin_setjmp_receiver): Mach-O support.
3131 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3132 (GOT_SYMBOL_NAME): Define.
3133 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3134 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3135 * config/i386/i386.c (override_options): Revise for Darwin.
3136 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3137 support. (darwin_x86_file_end): New. (output_set_got): Add label
3138 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3139 * config/i386/i386-protos.h (output_set_got): Likewise.
3140 * config/darwin.c (machopic_legitimize_pic_address): Update
3143 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3145 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3146 when MODE isn't BLKmode.
3148 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3150 PR rtl-optimization/25367
3151 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3153 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3156 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3157 for a negative bound.
3159 2006-01-10 Richard Guenther <rguenther@suse.de>
3161 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3162 Never override with anything constraint.
3164 2006-01-10 Jan Beulich <jbeulich@novell.com>
3166 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3167 256 bits when optimize_size.
3169 2006-01-10 Jan Beulich <jbeulich@novell.com>
3171 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3173 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3174 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3177 2006-01-10 Ben Elliston <bje@au.ibm.com>
3179 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3181 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3182 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3183 (USE_FP_FOR_ARG): Reject decimal float modes.
3184 (function_arg_advance): Likewise.
3185 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3186 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3187 point types in AltiVec vectors.
3188 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3189 (rs6000_libcall_value): Likewise.
3191 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3193 * config/xtensa/ieee754-df.S: New file.
3194 * config/xtensa/ieee754-sf.S: New file.
3195 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3196 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3197 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3199 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3201 * config/sh/predicates.md (binary_float_operator,
3202 binary_logical_operator, commutative_float_operator,
3203 equality_comparison_operator, greater_comparison_operator,
3204 less_comparison_operator, logical_operator,
3205 noncommutative_float_operator, shift_operator,
3206 symbol_ref_operand, unary_float_operator): Remove redundant
3209 2006-01-09 Jeff Law <law@redhat.com>
3211 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3212 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3213 now unused arguments. Callers updated.
3214 (eliminate_redundant_computations): Remove now unused arguments,
3216 (local_fold): Remove, no longer used.
3217 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3219 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3220 (simplify_cond): New function.
3221 (forward_propagate_into_cond): Call simplify_cond.
3223 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3225 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3226 (*vec_extractv2di_1_sse): New.
3228 2006-01-09 Ben Elliston <bje@au.ibm.com>
3230 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3232 2006-01-08 Richard Guenther <rguenther@suse.de>
3234 * tree-ssa-structalias.c (get_constraint_for): Remove
3236 (get_constraint_for_component_ref): Likewise.
3237 (do_deref): Likewise.
3238 (get_constraint_for): Likewise.
3239 (do_structure_copy): Likewise.
3240 (handle_ptr_arith): Likewise.
3241 (find_func_aliases): Likewise. Remove unused need_anyoffset
3244 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3245 Kaz Kojima <kkojima@gcc.gnu.org>
3247 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3248 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3249 (EXTRA_CONSTRAINT_C16): Remove.
3250 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3251 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3252 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3253 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3254 constants of SHmedia. Handle nested constant expressions of
3256 (andcosts): Fix the costs for SHmedia constants.
3257 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3258 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3259 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3260 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3261 (movv4hi_i, movv2si_i): Likewise.
3262 (movsi_const): Adjust the second operand of ior so to match with
3264 (movdi_const, movdi_const_32bit): Likewise.
3265 (movdi_const_16bit+1): Don't sign-extend LOW.
3266 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3268 (*double_shori): Fix the split condition. Use GEN_INT instead
3269 of get_int_mode calls. Mask lower 16-bit of the argument of
3271 (sym2GOTPLT): Remove.
3272 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3274 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3275 instead of EXTRA_CONSTRAINT_C16.
3277 2006-01-07 Ian Lance Taylor <ian@airs.com>
3278 David Edelsohn <edelsohn@gnu.org>
3280 PR rtl-optimization/25662
3281 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3282 for constant operands instead of simplify_gen_binary.
3283 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3284 after trying simplify_binary_operation
3286 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3288 * tree.c (iterative_hash_expr): Hash decls based on UID.
3290 2006-01-06 Eric Christopher <echristo@apple.com>
3292 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3293 (TARGET_UNWIND_EMIT): Fix spelling.
3294 * target.h (gcc_target): Add except_table_label.
3295 * except.c (output_function_exception_table): Use.
3296 * varasm.c (default_emit_except_table_label): New.
3297 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3299 (asm_out): Add here.
3300 * output.h (default_emit_except_table_label): Prototype.
3301 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3302 * config/darwin.c (darwin_emit_except_table_label): Define.
3303 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3305 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3307 PR tree-optimization/18527
3308 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3309 number_of_iterations_special, number_of_iterations_exit):
3310 Move base and step of an iv to a single structure. Add
3311 no_overflow flag, and use it in # of iterations analysis.
3312 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3313 folded_casts argument.
3314 (simple_iv): Pass base and step in a structure. Set no_overflow
3316 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3317 Evaluate expensiveness of computing # of iterations instead of
3318 the final expression.
3319 * tree-scalar-evolution.h (affine_iv): New structure.
3320 (simple_iv): Declaration changed.
3321 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3322 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3323 find_givs_in_stmt): Changed due to simple_iv change.
3325 2006-01-06 Jeff Law <law@redhat.com>
3328 * tree-cfg.c (bsi_replace): Rename final argument from
3329 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3330 change (stmt -> orig_stmt).
3331 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3332 (bsi_remove): Add new argument. Remove EH information
3334 (verify_eh_throw_table_statements): New function.
3335 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3337 * tree-optimize.c (execute_free_cfg_annotations): Verify
3338 the EH throw statement table after removing annotations.
3339 * except.h (verify_eh_throw_table_statements): Prototype.
3340 * tree-flow.h (bsi_remove): Update prototype.
3341 * tree-vrp.c (remove_range_assertions): Add new argument to
3343 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3344 * tree-complex.c (expand_complex_div_wide): Likewise.
3345 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3346 * tree-tailcall.c (eliminate_tailcall): Likewise.
3347 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3348 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3349 * tree-nrv.c (tree_nrv): Likewise.
3350 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3351 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3352 (combine_blocks): Likewise.
3353 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3354 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3355 (cleanup_control_flow): Likewise.
3356 (remove_forwarder_block): Likewise.
3357 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3358 * tree-sra.c (sra_replace): Likewise.
3359 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3360 (forward_propagate_single_use_vars): Likewise.
3361 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3362 * tree-inline.c (expand_call_inline): Likewise.
3363 * tree-vect-transform.c (vect_transform_loop): Likewise.
3364 * tree-outof-ssa.c (rewrite_trees): Likewise.
3365 * tree-cfg.c (make_goto_expr_edges): Likewise.
3366 (cleanup_dead_labels): Likewise.
3367 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3368 (bsi_move_before, bsi_move_after): Likewise.
3369 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3370 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3372 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3375 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3377 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3378 on non gimple variables. Also add checks at the top for decls and
3380 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3382 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3383 and IMAGPART_EXPR for creating MUST_DEFs.
3384 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3385 and NAME_MEMORY_TAG separately from the DECLs.
3387 2006-01-06 Richard Guenther <rguenther@suse.de>
3389 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3390 annotation, if necessary.
3391 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3392 redundant calls to update_stmt.
3393 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3396 2006-01-05 Richard Henderson <rth@redhat.com>
3398 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3400 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3402 * c-typeck.c: Update copyright date.
3404 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3406 * c-typeck.c (build_c_cast): Always warn when casting
3407 from a pointer to an integer of different size, even if
3408 the node was constant.
3410 2006-01-05 Richard Guenther <rguenther@suse.de>
3412 PR tree-optimization/22555
3413 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3414 if one structure field is an array.
3415 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3416 operands even if we found a subvar, but ignore VOPs in this
3418 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3420 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3422 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3425 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3427 2006-01-05 Richard Guenther <rguenther@suse.de>
3428 Diego Novillo <dnovillo@redhat.com>
3430 * tree-pass.h (TODO_remove_unused_locals): Define.
3431 * gimple-low.c (expand_var_p, remove_useless_vars,
3432 pass_remove_useless_vars): Remove. Update all users.
3433 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3434 (remove_unused_locals): New function.
3435 * tree-flow.h (remove_unused_locals): Declare.
3436 * passes.c (execute_todo): Call remove_unused_locals if
3437 TODO_remove_unused_locals is set.
3438 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3439 * tree-ssa-dce.c (pass_dce): Likewise.
3440 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3442 2006-01-05 Richard Guenther <rguenther@suse.de>
3444 * tree-flow.h (struct fieldoff): Decompose field to
3445 type, size and decl.
3446 * tree-ssa-alias.c (create_sft): Take type as parameter.
3447 (create_overlap_variables_for): Store type, size and decl
3448 in the fieldoff structure.
3449 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3451 (push_fields_onto_fieldstack): Likewise.
3452 (create_variable_info_for): Likewise. Use offset for the
3453 SFT name if the decl is not available.
3455 2006-01-04 Paul Brook <paul@codesourcery.com>
3457 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3459 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3461 * lambda-code.c (can_put_in_inner_loop): Relax
3463 (can_put_after_inner_loop): New function.
3464 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3465 (perfect_nestify): Change to make copies and modify uses.
3467 2006-01-04 Richard Henderson <rth@redhat.com>
3469 Merge from gomp branch:
3470 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3471 via integer constant.
3472 (pragma_lex): Remove.
3473 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3474 rather than parsing it.
3475 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3476 handle_pragma_extern_prefix): Add %< %> quotes.
3477 (registered_pragmas): New.
3478 (c_register_pragma_1): New.
3479 (c_register_pragma): Use it.
3480 (c_register_pragma_with_expansion): Likewise.
3481 (c_invoke_pragma_handler): New.
3482 (init_pragma): Use cpp_register_deferred_pragma directly for
3484 * c-pragma.h (enum pragma_kind): New.
3485 (pragma_handler): New.
3486 (c_invoke_pragma_handler): Declare.
3487 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3489 * c-common.h (c_common_pch_pragma): Update decl.
3490 * Makefile.in (c-parser.o): Update dependencies.
3491 (GTFILES): Add c-pragma.h.
3492 * c-parser.c (struct c_token): Add pragma_kind.
3493 (struct c_parser): Add in_pragma.
3494 (c_lex_one_token): Always initialize keyword and pragma_kind.
3495 Extract data for CPP_PRAGMA.
3496 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3497 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3498 Don't allow CPP_PRAGMA_EOL if in_pragma.
3499 (c_parser_consume_pragma): New.
3500 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3501 (c_parser_skip_to_end_of_parameter): Likewise.
3502 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3503 (c_parser_skip_to_pragma_eol): New.
3504 (c_parser_external_declaration): Handle CPP_PRAGMA.
3505 (c_parser_compound_statement_nostart): Likewise.
3506 (c_parser_statement_after_labels): Likewise.
3507 (c_parser_pragma): New.
3508 (pragma_lex): Likewise.
3509 (c_parser_pragma_pch_preprocess): New.
3510 (c_parser_new): Merge into ...
3511 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3513 2006-01-04 Jeff Law <law@redhat.com>
3516 * tree-cfg.c (bsi_replace): Remove the original statement
3517 from the EH throw statement table.
3519 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3521 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3522 make the prototype extern "C" and add throw ().
3525 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3526 and pos non-negative and pos + len <= 32.
3527 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3528 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3529 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3532 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3533 as well as sizes not multiple of component size.
3536 * function.c (instantiate_expr): New function.
3537 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3538 walk its DECL_VALUE_EXPR with instantiate_expr.
3540 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3541 DW_OP_deref{,_size} if address isn't going to be added.
3543 2006-01-04 Ben Elliston <bje@au.ibm.com>
3545 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3546 * config/fp-bit.c: Likewise.
3548 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3550 * dominance.c: Add comment about why we use DFS numbering
3553 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3554 Richard Henderson <rth@redhat.com>
3556 Merge from gomp-branch:
3557 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3558 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3560 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3562 PR rtl-optimization/25578
3563 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3564 pass a parameter to simplify_shift_const if changing ASHIFTRT
3567 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3569 * builtins.c (get_builtin_sync_mem): New function.
3570 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3571 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3572 Call get_builtin_sync_mem to generate mem rtx.
3574 2006-01-03 Richard Guenther <rguenther@suse.de>
3577 * stmt.c (add_case_node): Make sure to clear overflow flags
3580 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3582 Merge from gomp-branch.
3583 * config/sparc/sync.md: New file.
3584 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3585 UNSPECV_LDSTUB): New constants.
3586 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3587 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3588 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3591 2006-01-03 Roger Sayle <roger@eyesopen.com>
3593 * combine.c (reg_subword_p): New predicate to test whether the
3594 destination of a set refers to a subword/piece of a register.
3595 (try_combine): Generalize the code to merge the setting of a
3596 pseudo to a constant followed by a set of a subword of that
3597 register to a constant.
3599 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3601 * basic-block.h (control_flow_graph): Change the type of
3602 x_label_to_block_map to VEC(basic_block,gc) *.
3603 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3604 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3606 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3607 VEC(basic_block,heap) *.
3608 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3609 ssa_prop_fini): Adjust the uses of cfg_blocks.
3611 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3613 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3615 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3616 hashing trees instead of a pointer hash.
3617 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3618 compare for MEM_EXPR.
3620 PR rtl-optimization/25130
3621 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3622 when comparing MEMs for GCSE
3624 2006-01-03 Ben Elliston <bje@au.ibm.com>
3626 * targhooks.h (default_decimal_float_supported_p): Declare.
3627 * targhooks.c (default_decimal_float_supported_p): Define.
3628 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3629 `default_decimal_float_supported_p'.
3630 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3632 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3634 * combine.c (apply_distributive_law <SUBREG>): Check
3635 TRULY_NOOP_TRUNCATION.
3637 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3639 * dwarf2out.c (have_switched_text_section): Delete.
3640 (have_multiple_function_sections): New.
3641 (have_location_lists): Make 'bool'.
3642 (add_AT_loc_list): Use 'true' not '1'.
3643 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3644 (output_loc_list): Use have_multiple_function_sections.
3645 (output_ranges): Likewise.
3646 (dwarf2out_begin_function): Set have_multiple_function_sections if
3648 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3649 Check function_section rather than DECL_SECTION_NAME.
3650 (dwarf2out_finish): Use have_multiple_function_sections.
3651 Don't clear have_location_lists.
3653 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3654 Jan Hubicka <jh@suse.cz>
3656 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3657 case of conditional jump jumping to the next instruction.
3658 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3659 cases of conditional jump jumping to the next instruction.
3661 2006-01-02 Jan Hubicka <jh@suse.cz>
3663 * i386.c (*_cost): Add COSTS_N_INSNS.
3664 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3666 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3669 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3671 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3673 * config/arm/arm.c (all_fpus): Fix comment typo.
3674 * config/darwin.c: Likewise.
3675 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3676 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3677 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3679 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3681 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3682 (rs6000_split_compare_and_swapqhi): New.
3683 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3684 (sync_compare_and_swapqhi_internal): New.
3685 * config/rs6000/rs6000-protos.h: Declare.