1 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4 (ANTIC_SAFE_LOADS): New macro.
5 (find_or_generate_expression): Add prototype.
6 (set_contains_value): Allow null set for sake of not always having
7 to allocate ANTIC_SAFE_LOADS.
8 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9 Allow COMPONENT_REF too.
10 (valid_in_set): Allow COMPONENT_REF.
11 Check ANTIC_SAFE_LOADS too.
12 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15 (can_PRE_operation): Add COMPONENT_REF.
16 (create_component_ref_by_pieces): New function.
17 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18 (insert_aux): Move AGGREGATE_TYPE_P check here.
19 (compute_avail): Set bb local stmt uids.
20 (pass_pre): Use TODO_update_ssa_only_virtuals.
22 2006-02-06 Ben Elliston <bje@au.ibm.com>
24 * configure.ac: Unconditionally disable decimal float by default.
25 * configure: Regenerate.
27 2006-02-06 Ben Elliston <bje@au.ibm.com>
29 * read-rtl.c (read_name): Terminate reading on EOF.
31 2006-02-06 Ben Elliston <bje@au.ibm.com>
33 * dfp.c (decimal_real_arithmetic): Change second argument type
34 from int to enum tree_code. Do not always return true, but now
35 return result of any call to decimal_do helper functions.
36 * dfp.h (decimal_real_arithmetic): Update prototype.
38 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
40 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
42 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
45 * tree-cfg.c (cleanup_dead_labels): Also don't remove
48 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
50 * tree-vrp.c (cfg_loops): Removed.
51 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
52 Use current_loops instead of cfg_loops. Pass flags to
54 * cfgloopmanip.c (fix_loop_structure): Update only available
56 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
58 * modulo-sched.c (build_loops_structure): Removed.
59 (sms_schedule): Use loop_optimizer_init.
60 * loop-init.c (loop_optimizer_init): Use flags to determine
61 which properties of loops to prepare.
62 (rtl_loop_init): Pass flags to loop_optimizer_init.
63 * tree-ssa-sink.c (execute_sink_code): Ditto.
64 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
65 * tree-ssa-pre.c (init_pre): Ditto.
66 * cfgloop.h (LOOPS_NORMAL): New.
67 (loop_optimizer_init): Declaration changed.
69 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
71 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
72 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
74 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
76 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
78 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
79 * pa/t-pa64: Delete quadlib.c rule.
80 * pa/x-ada: Revert last change.
81 * pa/t-pa: Revert last change. Delete quadlib.c rule.
83 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
85 PR rtl-optimization/26087
86 * rtlanal.c (canonicalize_condition): Do not cross basic block
89 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
92 * config/ia64/ia64.c: Include debug.h.
93 (MAX_ARTIFICIAL_LABEL_BYTES): New.
94 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
95 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
96 (process_epilogue, process_set, process_for_unwind_directive):
97 Output unwind info only if requested. Add CFA info if requested.
98 Add new arguments as needed. Adjust callers.
99 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
101 (DWARF2_FRAME_INFO): Define to zero.
102 * config/ia64/unwind-ia64.c: Remove code that compensated for
103 the CFA offset error fixed above.
104 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
105 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
106 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
107 -funwind-tables and -fexceptions to enable frame info.
108 (dwarf2out_frame_init): Define initial CFA even if
109 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
110 DWARF2_UNWIND_INFO is nonzero, not just defined.
111 (dwarf2out_frame_finish): Output non-EH call frame info only
112 if DWARF2_FRAME_INFO is nonzero.
113 (convert_cfa_to_loc_list,
114 compute_frame_pointer_to_cfa_displacement): Define even if
115 unwind info is not supported.
116 (gen_subprogram_die): Use the above unconditionally. Remove
117 legacy alternate code.
118 * toplev.c (compile_file): Compile in call to
119 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
120 (lang_dependent_init): Ditto for dwarf2out_frame_init.
122 2006-02-04 David Edelsohn <edelsohn@gnu.org>
123 Jakub Jelinek <jakub@redhat.com>
125 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
126 IBM extended float format long double as "g" on powerpc*-linux.
128 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
131 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
132 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
134 2006-02-03 Jason Merrill <jason@redhat.com>
137 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
140 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
141 on the return slot if it's an NRV.
143 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
145 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
146 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
147 rewrite_use): Do not handle USE_OUTER.
148 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
149 add_iv_outer_candidates, may_replace_final_value,
150 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
151 (find_interesting_uses_op): Functionality of
152 find_interesting_uses_outer_or_nonlin moved here.
153 (find_interesting_uses_outside): Use find_interesting_uses_op.
155 2006-02-03 Alan Modra <amodra@bigpond.net.au>
158 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
160 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
161 Ulrich Weigand <uweigand@de.ibm.com>
164 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
165 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
166 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
167 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
169 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
170 (s390_rtx_costs): Use the new fields to calculate rtx costs.
171 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
172 Define secondary reloads for TFmode moves.
173 (constant_modes): Add TFmode.
174 (NR_C_MODES): Set to 8.
175 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
177 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
178 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
179 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
180 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
181 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
182 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
183 (FPR mode macro): Add TFmode.
184 (DSF mode macro): New.
185 (<de>, <dee> mode attributes): Removed.
186 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
187 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
188 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
189 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
190 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
191 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
192 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
193 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
194 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
195 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
196 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
197 "*negabs<mode>2", "sqrt<mode>2"):
198 Changed <de> to <xde>. R constraint replaced by <Rf>.
199 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
201 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
202 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
203 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
205 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
206 "extenddftf2", "extendsftf2"): New expanders.
207 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
208 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
209 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
210 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
212 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
213 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
214 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
215 __floatditf): Add a GCC_4.1.0 symbol version tag.
216 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
219 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
222 * config/i386/i386.c (ix86_function_ok_for_sibcall):
223 Use targetm.binds_local_p instead of TREE_PUBLIC.
225 2006-02-02 Roger Sayle <roger@eyesopen.com>
227 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
228 on INTEGER_TYPEs to indicate that it denotes a character type.
229 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
230 signed_char_type_node, unsigned_char_type_node and char_type_node.
231 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
232 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
233 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
235 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
236 Daniel Berlin <dberlin@dberlin.org>
238 * tree-tailcall.c (arg_needs_copy_p): New function.
239 (eliminate_tail_call): Use arg_needs_copy_p.
240 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
241 (add_virtual_phis): New function.
243 2006-02-02 Jakub Jelinek <jakub@redhat.com>
245 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
246 #ignore instead of #scratch for %g7 .register directive.
248 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
250 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
253 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
255 * flow.c (calculate_global_regs_live): Assert that there aren't any
258 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
260 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
262 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
263 bsi_after_labels iterator.
264 * tree-if-conv.c (find_phi_replacement_condition,
265 replace_phi_with_cond_modify_expr): Likewise.
266 * tree-scalar-evolution.c (scev_const_prop): Likewise.
267 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
269 2006-02-02 Diego Novillo <dnovillo@redhat.com>
271 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
273 2006-02-02 Diego Novillo <dnovillo@redhat.com>
276 * tree-cfg.c (move_block_to_fn): Clear out the basic block
277 array after growing it.
279 2006-02-01 Steve Ellcey <sje@cup.hp.com>
282 * fold-const.c (fold_checksum_tree): Change type of buf.
284 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
286 * reload.c (push_secondary_reload): Initialize t_icode.
288 2006-02-01 Jakub Jelinek <jakub@redhat.com>
290 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
291 -msoft-float -mlong-double-128 only issue a warning, but don't
292 swich to DFmode long double.
294 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
296 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
297 has a constant equivalent, iterate over equivalents for arg0,
298 calling simplify_relational_operation and if there's a result
299 cheaper than X, apply fold_rtx and return the result.
301 2006-02-01 Jan Hubicka <jh@suse.cz>
303 * opts.c (no_unit_at_a_time_default): New global variable.
304 (decode_options): Use it.
305 * opts.h (no_unit_at_a_time_default): Declare.
307 2006-02-01 Paul Brook <paul@codesourcery.com>
309 * function.c (assign_parm_setup_reg): Use function argument promotion
311 * expr.c (expand_expr_real_1): Use function argument promotion rules
314 2006-02-01 Steve Ellcey <sje@cup.hp.com>
316 * gcc.c (process_command): Change j to 'unsigned int'.
318 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
321 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
322 Use the corrected index for the character
323 out of the string constant.
325 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
327 * mode-switching.c (optimize_mode_switching): Fix size
328 allocated for bb_info[n_entities].
330 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
332 * gcc.c (main): Correct type that is allocated for
335 2006-01-31 Jakub Jelinek <jakub@redhat.com>
337 * config/s390/s390.c (init_alignment_context): Set
338 ALIAS_SET_MEMORY_BARRIER on the MEM.
339 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
341 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
344 * loop-unroll.c (unroll_loop_runtime_iterations): Free
346 * tree-ssa-live.c (type_var_init): Allocate bitmap after
349 2006-01-31 Marcin Dalecki <martin@dalecki.de>
351 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
352 * regrename.c: Ditto.
353 * tree-ssa-loop-im.c: Ditto.
354 * tree-dump.c: Ditto.
355 * tree-complex.c: Ditto.
357 * tree-ssa-threadupdate.c: Ditto.
359 * java/class.c: Ditto.
360 * java/jcf-parse.c: Ditto.
361 * java/resource.c: Ditto.
362 * java/except.c: Ditto.
363 * java/jvspec.c: Ditto.
364 * java/jcf-write.c: Ditto.
365 * java/jcf-path.c: Ditto.
366 * java/gjavah.c: Ditto.
367 * java/zextract.c: Ditto.
368 * java/jcf-io.c: Ditto.
370 * java/buffer.c: Ditto.
371 * java/lang.c: Ditto.
372 * java/parse-scan.y: Ditto.
375 * cfgloopmanip.c: Ditto.
376 * postreload-gcse.c: Ditto.
377 * tree-ssa-loop-manip.c: Ditto.
378 * postreload.c: Ditto.
379 * tree-ssa-loop-ch.c: Ditto.
383 * diagnostic.c: Ditto.
385 * genoutput.c: Ditto.
388 * cfgloopanal.c: Ditto.
389 * objc/objc-act.c: Ditto.
391 * genextract.c: Ditto.
392 * genautomata.c: Ditto.
393 * pretty-print.c: Ditto.
395 * cgraphunit.c: Ditto.
398 * haifa-sched.c: Ditto.
399 * dominance.c: Ditto.
401 * tree-ssa-loop-ivopts.c: Ditto.
403 * mode-switching.c: Ditto.
404 * modulo-sched.c: Ditto.
406 * ipa-pure-const.c: Ditto.
408 * fix-header.c: Ditto.
410 * tree-stdarg.c: Ditto.
411 * ipa-utils.c: Ditto.
412 * loop-init.c: Ditto.
413 * ipa-inline.c: Ditto.
416 * alloc-pool.c: Ditto.
417 * dwarf2out.c: Ditto.
419 * genattrtab.c: Ditto.
420 * tree-ssa-loop-ivcanon.c: Ditto.
424 * fortran/gfortranspec.c: Ditto.
426 * local-alloc.c: Ditto.
427 * langhooks.c: Ditto.
429 * tree-vectorizer.c: Ditto.
431 * ipa-type-escape.c: Ditto.
433 * tree-if-conv.c: Ditto.
436 * tree-data-ref.c: Ditto.
437 * loop-unroll.c: Ditto.
438 * treelang/treetree.c: Ditto.
441 * ggc-common.c: Ditto.
445 * tree-cfgcleanup.c: Ditto.
446 * tree-ssa-pre.c: Ditto.
447 * cfgcleanup.c: Ditto.
448 * loop-invariant.c: Ditto.
451 * print-tree.c: Ditto.
454 * sched-deps.c: Ditto.
456 * tree-object-size.c: Ditto.
458 * bb-reorder.c: Ditto.
460 * var-tracking.c: Ditto.
462 * df-problems.c: Ditto.
463 * reg-stack.c: Ditto.
466 * sched-rgn.c: Ditto.
467 * tree-ssa-structalias.c: Ditto.
468 * tree-ssa-reassoc.c: Ditto.
469 * config/darwin-c.c: Ditto.
470 * config/darwin.c: Ditto.
471 * config/arm/arm.c: Ditto.
476 2006-01-31 Nicolas Pitre <nico@cam.org>
478 * arm.md (smaxsi3): Make aware of smax_m1.
481 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
483 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
485 2006-01-31 Richard Guenther <rguenther@suse.de>
487 * doc/invoke.texi (-msselibm): Document.
488 * target.h (expand_library_builtin): New target hook.
489 * builtins.c (expand_builtin): Use expand_library_builtin.
490 (default_expand_library_builtin): New function.
491 * gcc.c (LINK_GCC_MATH_SPEC): Define.
492 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
493 (link_gcc_math_spec): Declare.
494 (static_specs): Add link_gcc_math_spec.
495 * expr.h (default_expand_library_builtin): Declare.
496 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
497 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
498 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
499 * config/i386/i386.opt (msselibm): New target option.
500 * config/i386/i386.c (ix86_builtin_function_variants): New array.
501 (ix86_init_sse_abi_builtins): New function.
502 (ix86_expand_library_builtin): Likewise.
503 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
504 (override_options): Handle error conditions wrt -msselibm.
505 (ix86_builtins): Add function codes for SSE2 ABI builtins.
506 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
507 * doc/extend.texi (__builtin_sse2_*): Document new target specific
510 2006-01-31 Richard Guenther <rguenther@suse.de>
511 Paolo Bonzini <bonzini@gnu.org>
513 * doc/install.texi (--disable-libgcc-math): Document.
515 2006-01-30 Marcin Dalecki <martin@dalecki.de>
517 * expr.h (expand_normal): new inline function.
518 * builtins.c: use it, use EXPAND_NORMAL explicitely.
520 * dwarf2out.c: use it.
525 * config/sparc/sparc.c: use it.
526 * config/i386/i386.c: use it.
527 * config/rs6000/rs6000.c: use it.
528 * config/arm/arm.c: use it.
529 * config/mips/mips.c: use it.
530 * stmt.c: use it, use EXPAND_NORMAL explicitely.
532 2006-01-30 Roger Sayle <roger@eyesopen.com>
534 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
535 argv to the appropriate type.
537 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
539 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
542 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
545 * config/s390/s390.c (struct machine_function): New flag
546 decomposed_literal_pool_addresses_ok_p.
547 (s390_reorg): Set it before final stage of literal pool transforms.
548 (s390_decompose_address): Only accept displacements of the form
549 (minus (label_ref ...) (label_ref ...)) if that flag is set.
551 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
553 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
554 the comparison routine return.
556 2006-01-30 Michael Matz <matz@suse.de>
558 * global.c (find_reg): Only evict for global regs.
559 Take n_refs into account and dump more info.
561 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
564 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
565 (pragma_trap, pragma_nosave_low_regs): Likewise.
566 (current_function_anonymous_args): Likewise.
567 (sh_deferred_function_attributes): New variable.
568 (sh_deferred_function_attributes_tail): Likewise.
569 (print_operand): For '@', look up trap_exit attribute.
570 (calc_live_regs): Look up trapa_handler attribute. For trapa
571 handlers, save/restore fpscr, but don't do any other
572 interrupt-specific saves.
573 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
574 Fix check for partially saved registers to check for SHmedia.
575 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
576 (sh_output_function_epilogue): Don't clear any of the removed
578 (sh_insert_attributes): Don't check pragma_interrupt.
579 Insert deferred attributes. Check that interrupt attribute is
580 present for other attributes that require its presence.
581 (sh_attribute_table): Add new attributes trapa_handler and
583 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
584 Don't check for pragma_interrupt. Don't store argument.
585 * sh.h (pragma_interrupt, sp_switch): Don't declare.
586 (sh_deferred_function_attributes): Declare.
587 (sh_deferred_function_attributes_tail): Likewise.
588 * sh.md (sp_switch_1): Add operand. Change generator caller.
589 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
590 (*return_i): Don't use when trap_exit attribute is in effect.
591 (*return_trapa): New insn pattern.
593 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
594 setting c_target_objs and cxx_target_objs.
595 * t-sh: Add rule for sh-c.o.
597 2006-01-30 Richard Guenther <rguenther@suse.de>
600 * gimplify.c (gimplify_target_expr): Handle easy cases
601 without creating a temporary.
603 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
605 * vec.h (safe_grow): Remove duplicated line.
607 2006-01-29 Diego Novillo <dnovillo@redhat.com>
610 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
611 (expand_omp): ... here.
612 (expand_omp_parallel): Only remove barriers for combined
613 parallel+workshare constructs.
615 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
619 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
620 * tree.c (build_qualified_type): Chain the new type to the original
621 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
622 a POINTER_TYPE or a REFERENCE_TYPE respectively.
623 (build_pointer_type_for_mode): Only return unqualified types.
624 (build_reference_type_for_mode): Likewise.
626 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
628 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
629 * Makefile.in (CXX_COMPAT_WARN): Define.
630 * configure: Regenerate.
632 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
635 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
638 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
640 * toplev.c: Fix thinko.
642 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
643 Marcin Dalecki <martin@dalecki.de>
645 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
646 (push_srcloc): Use XNEW.
647 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
649 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
651 * df-core.c (df_set_blocks): Deleted all variable.
653 2006-01-28 Ian Lance Taylor <ian@airs.com>
655 * cgraphunit.c (cgraph_assemble_pending_functions): Call
656 cgraph_output_pending_asms.
658 2006-01-28 Zack Weinberg <zackw@panix.com>
660 * c.opt: Add -W(no-)overlength-strings.
661 * doc/invoke.texi: Document it.
662 * c-opts.c (c_common_handle_option): -pedantic implies
663 -Woverlength-strings, if not explicitly disabled already.
664 (c_common_post_options): -Woverlength-strings defaults to off, and
665 is always off for C++.
666 * c-common.c (fix_string_type): Issue warning about strings longer
667 than is portable only if warn_overlength_strings. Rearrange code
668 a little for clarity.
669 * configure.in: Check for -Wno-overlength-strings as well before
670 enabling -pedantic in stage 1.
671 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
672 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
674 * genconditions.c (write_header, write_one_condition)
675 (write_conditions, write_writer): Consolidate very long strings
676 that were broken up to fit in C89 portable limit. Don't use
677 printf when fputs will do.
679 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
681 * combine.c (simplify_comparison <AND>): Check
682 TRULY_NOOP_TRUNCATION before start using a subreg.
684 * config/mips/mips.md (*branch_zero<mode>,
685 *branch_zero<mode>_inverted, *branch_equality<mode>,
686 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
687 Remove mode check from comparisons.
689 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
691 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
693 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
695 * expmed.c (const_mult_add_overflow_p): Remove.
696 * expr.h: Remove the prototype for const_mult_add_overflow_p.
698 * recog.c (validate_replace_rtx_subexp): Remove.
699 * recog.h: Remove the prototype for
700 validate_replace_rtx_subexp.
702 * integrate.h: Remove the prototype for
703 copy_decl_for_inlining.
704 * rtl.h: Remove the prototype for mark_constant_function.
705 * tree-vectorizer.h: Remove the prototype for
706 vect_strip_conversion.
708 * modulo-sched.c (create_partial_schedule,
709 free_partial_schedule, reset_partial_schedule): Make them
712 * hooks.c (hook_bool_rtx_int_false): Remove.
713 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
715 2006-01-28 David Edelsohn <edelsohn@gnu.org>
717 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
718 and -mlong-double-128 are incompatible.
719 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
720 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
721 (TARGET_LIBGCC2_CFLAGS): Define.
722 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
723 (TARGET_LIBGCC2_CFLAGS): Same.
724 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
726 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
729 * c-typeck.c (build_binary_op): Perform implicit casts of
730 operands before shortening them.
732 * cfgloopmanip.c (split_loop_bb): Remove.
733 * cfgloop.h: Remove the prototype for split_loop_bb.
735 * cfgloop.c (flow_loop_outside_edge_p): Remove.
736 * cfgloop.h: Remove the prototype for
737 flow_loop_outside_edge_p.
739 * emit-rtl.c (init_virtual_regs): Make it static.
740 * function.h: Remove the prototype for init_virtual_regs.
742 * recog.c (peephole2_optimize): Make it static.
743 * recog.h: Remove the prototype for peephole2_optimize.
745 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
747 * df-scan.c (df_record_entry_block_defs): Check if
748 INCOMING_RETURN_ADDR_RTX is defined.
750 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
751 Kenneth Zadeck <zadeck@naturalbridge.com>
753 PR rtl-optimization/24762
754 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
755 * targhooks.c (hook_void_bitmap): New hook prototype.
756 * targhoohs.h (hook_void_bitmap): Ditto.
757 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
758 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
759 * target.h (live_on_entry): New function pointer.
760 * df-scan.c (df_all_hard_regs): Removed.
761 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
762 (df_scan_free_internal): Added df->entry_block_defs.
763 (df_scan_alloc): Ditto.
764 (df_scan_dump): Ditto.
765 (df_uses_record): Plumbed flag field properly thru calls.
766 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
767 This part fixes PR24762.
768 (df_bb_refs_record): Added code to make the frame and arg
769 pointers live in EH blocks.
770 (df_refs_record): Added call to df_record_entry_block_defs.
771 (df_record_entry_block_defs): New function.
772 * df-core.c: Added comments to describe new artifical defs.
773 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
774 (entry_block_defs): New field in struct df.
775 (df_all_hard_regs): Deleted.
776 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
777 * df-problems.c (df_ru_bb_local_compute_process_def):
778 Added code to handle artifical defs in the entry to a function.
779 (df_ru_bb_local_compute): Ditto.
780 (df_rd_bb_local_compute_process_def): Ditto.
781 (df_rd_bb_local_compute): Ditto.
782 (df_lr_bb_local_compute): Ditto.
783 (df_ur_bb_local_compute): Ditto.
784 (df_urec_bb_local_compute): Ditto.
785 (df_chain_create_bb): Ditto.
786 (df_ur_local_finalize): Removed entry.
787 (df_urec_init): Ditto.
788 (df_urec_local_finalize): Ditto.
789 (df_ri_bb_compute): Added detection of last use of pseudos.
790 * Makefile.in (df-scan.o): Updated dependencies.
791 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
792 * config/mips/mips.c (mips_set_live_on_entry): Added.
793 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
795 * dce.c (marked_insn_p): Added code to handle artifical defs.
797 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
799 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
801 (_mm_cvtsi128_si64): Likewise.
802 (_mm_cvtsd_si64): Likewise.
803 (_mm_cvttsd_si64): Likewise.
804 (_mm_cvtsi64_sd): Likewise.
805 (_mm_cvtsi64_si128): Likewise.
806 * config/i386/mmintrin.h (_m_from_int64): Likewise.
807 (_mm_cvtsi64_m64): Likewise.
808 (_m_to_int64): Likewise.
809 (_mm_cvtm64_si64): Likewise.
810 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
811 (_mm_cvttss_si64): Likewise.
812 (_mm_cvtsi64_ss): Likewise.
813 (_mm_cvtss_f32): Likewise.
815 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
817 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
818 for pragma redefine_extname.
820 2006-01-27 Jakub Jelinek <jakub@redhat.com>
823 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
824 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
825 -mno-minimal-toc to previous content.
826 (bispecs): Remove goal.
827 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
828 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
829 compatibility aliases on powerpc-*-*gnu*.
830 * config/rs6000/libgcc-ppc-glibc.ver: New file.
831 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
832 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
833 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
834 (ldblspecs): New goal.
835 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
836 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
838 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
839 L_sf_to_tf or L_df_to_tf is defined.
841 2006-01-27 David Edelsohn <edelsohn@gnu.org>
842 Alan Modra <amodra@bigpond.net.au>
845 * config/rs6000/linux.h (POWERPC_LINUX): Define.
846 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
847 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
848 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
849 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
850 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
851 (rs6000_override_options): Initialize rs6000_ieeequad.
852 Initialize TFmode format to ibm_extended_format if not
854 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
856 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
857 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
858 (function_arg_advance): IBM long double passed in two FPRs, not
860 (function_arg): IBM long double passed in FPRs.
861 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
862 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
863 Only multireg GPR aligned.
864 (rs6000_init_libfuncs): Enable IBM long double functions if not
866 (rs6000_generate_compare): Use IBM long double compare if not
868 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
869 (TARGET_IEEEQUAD): Define.
870 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
872 * config/rs6000/rs6000.md: Enable TFmode patterns if
874 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
875 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
876 and -mlong-double-128 are incompatible.
877 * doc/invoke.texi (-mabi): Collect options together. Add
878 ibmlongdouble and ieeelongdouble.
880 2006-01-27 Richard Sandiford <richard@codesourcery.com>
882 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
884 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
885 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
886 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
887 * rtl.h (rtunion_def): Remove rt_ptr.
889 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
890 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
891 * config/i386/winnt.c (i386_pe_mark_dllexport)
892 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
894 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
896 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
898 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
902 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
903 pthread_key_delete. From John David Anglin. gthrw-ify
904 pthread_getunique_np only if it it's not a macro. Delete
906 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
907 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
908 __gthread_objc_condition_signal, __gthread_key_delete): Add
909 "__attribute__ ((__unused__))" to unused arguments.
910 (__gthread_recursive_mutex_init_function): Add missing return.
911 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
912 gthr-posix95.h: Use macro-based approach for name redirection
913 on targets missing weakref.
915 2006-01-26 Zack Weinberg <zackw@panix.com>
917 * genconditions.c (write_header): In generated code, #ifdef out
918 all includes and fake declarations, except includes of bconfig.h
919 and system.h, unless GCC_VERSION >= 3001. Do not include
920 gensupport.h in any case.
921 (write_conditions): Generate a definition of struct c_test. Add
922 a comment to the generated #endif.
923 (write_one_condition): Escape backslashes in string too.
924 (write_writer): Generated code must escape backslashes and quote
925 marks (but not newlines) in the strings it writes.
926 * Makefile.in (build/gencondmd.o): Update dependencies.
928 2006-01-26 Steve Ellcey <sje@cup.hp.com>
931 * Makefile.in (insn-automata.o): Add header file dependencies.
932 * genautomata.c: Add includes.
934 2006-01-26 Steve Ellcey <sje@cup.hp.com>
937 * Makefile.in (insn-automata.o): Add -Wno-error flag.
939 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
941 * configure.ac: Expect target tools paths to be passed from the toplevel
942 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
944 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
946 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
949 * c.opt (Wpointer-sign): Init to -1.
950 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
951 OPT_pedantic, to 0 otherwise.
952 * doc/invoke.texi: Update.
954 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
956 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
957 constants provided by 80387 instructions in the destination mode.
959 2006-01-26 Richard Guenther <rguenther@suse.de>
960 Andrew Pinski <pinskia@physics.uc.edu>
963 partial PR tree-opt/17064
964 * tree-ssa-structalias.c (intra_create_variable_infos):
965 Create heap variables for incoming parameters if
966 flag_argument_noalias > 1.
967 (find_what_p_points_to): Look through default defs of
970 2006-01-26 Jeff Law <law@redhat.com>
973 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
974 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
975 within the VR_RANGE, use the VR_RANGE as the result, not the
977 (adjust_range_with_scev): Reject ranges from SCEV which are out of
980 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
982 * tree-ssa-alias.c (maybe_create_global_var): Change
983 subvar walking to an assertion that we don't have subvar'd variables.
985 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
988 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
989 Use a new variable, inner. PARM_DECLs are always non-weak.
991 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
993 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
996 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
998 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1000 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1002 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1003 (smax_insn, smin_insn, smax_0, smin_0): New.
1005 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1008 * config/cris/cris.c (cris_order_for_addsi3): New function.
1009 * config/cris/cris-protos.h: Prototype it.
1010 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1011 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1012 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1013 (split for "op.S1 [rx=rx+i],ry (swapped)")
1014 (split for "op(s|u).S1 [rx=rx+i],ry")
1015 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1016 Apply cris_order_for_addsi3 when generating addsi3 insns.
1018 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1020 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1021 (TREE_BLOCK): Add call to EXPR_CHECK.
1023 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1026 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1027 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1028 (dump_omp_clauses): ... here.
1029 (dump_generic_node): Handle OMP_CLAUSE.
1030 * tree.c (omp_clause_num_ops): New.
1031 (omp_clause_code_name): New.
1032 (tree_code_size): Handle OMP_CLAUSE.
1033 (tree_size): Likewise.
1034 (make_node): Document handling of OMP_CLAUSE.
1035 (tree_node_structure): Handle OMP_CLAUSE.
1036 (omp_clause_check_failed): New.
1037 (omp_clause_range_check_failed): New.
1038 (omp_clause_operand_check_failed): New.
1039 (build_omp_clause): New.
1040 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1041 * tree.h (enum omp_clause_code): Declare.
1042 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1043 (OMP_CLAUSE_RANGE_CHECK): Define.
1044 (OMP_CLAUSE_ELT_CHECK): Define.
1045 (omp_clause_check_failed): Declare.
1046 (omp_clause_operand_check_failed): Declare.
1047 (omp_clause_range_check_failed): Declare.
1048 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1049 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1050 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1051 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1052 (OMP_CLAUSE_IF_EXPR): Likewise.
1053 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1054 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1055 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1056 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1057 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1058 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1059 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1060 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1061 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1062 (OMP_CLAUSE_CODE): Define.
1063 (OMP_CLAUSE_SET_CODE): Define.
1064 (OMP_CLAUSE_CODE): Define.
1065 (OMP_CLAUSE_OPERAND): Define.
1066 (struct tree_omp_clause): Declare.
1067 (union tree_node): Add field 'omp_clause'.
1068 * treestruct.def (TS_OMP_CLAUSE): Define.
1069 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1070 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1071 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1072 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1073 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1074 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1075 (OMP_CLAUSE): Define.
1076 * print-tree.c (print_node): Handle OMP_CLAUSE.
1077 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1078 * c-typeck.c: Likewise.
1079 * gimplify.c: Likewise.
1080 * c-omp.c: Likewise.
1081 * tree-nested.c: Likewise.
1082 * tree-inline.c: Likewise.
1083 * c-parser.c: Likewise.
1084 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1087 2006-01-25 Roger Sayle <roger@eyesopen.com>
1089 PR rtl-optimization/25703
1090 * combine.c (try_combine): Handle zero_extract and strict_low_part
1091 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1093 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1095 * global.c: Fix comment typos.
1097 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1100 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1101 Use output_addr_const instead of assemble_name.
1103 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1105 * Makefile.in (sched-vis.o): Update dependencies.
1106 * haifa-sched.c (sched_finish): Clear current_sched_info.
1107 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1108 (dump_flow_info): Call it.
1109 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1111 * basic-block.h (dump_bb_info): Declare.
1112 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1113 option, and apply options only for dump files whose TDF_RTL,
1114 TDF_TREE, or TDF_IPA bits match.
1115 * rtl.h: Declare new functions exported from sched-vis.c.
1116 * sched-vis.c: Enable also if scheduling is not used.
1117 (print_value): Print the mode of registers if not inside scheduling.
1118 (print_insn): Make it work outside the scheduler. Beautify the output
1120 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1122 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1124 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1125 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1126 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1127 depending on the value of CONSTANT_POOL_ADDRESS_P.
1128 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1130 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1131 rather than SYMBOL_REF_DECL.
1132 (rtx_constant_pool): Remove const_rtx_sym_htab.
1133 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1134 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1135 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1136 Remove handling of const_rtx_sym_htab.
1137 (find_pool_constant): Delete.
1138 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1139 rather than find_pool_constant.
1140 (get_pool_constant_for_function): Delete.
1141 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1143 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1144 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1145 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1146 (SYMBOL_REF_CONSTANT): New macro.
1147 (get_pool_constant_for_function): Delete.
1148 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1149 rather than SYMBOL_REF_DECL.
1150 (i386_pe_mark_dllimport): Likewise.
1151 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1152 rather than SYMBOL_REF_DECL.
1153 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1154 (machopic_indirect_call_target): Likewise.
1156 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1158 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1160 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1162 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1164 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1166 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1168 2006-01-24 David Daney <ddaney@avtrex.com>
1171 * configure.ac (enable_tls): New enable option.
1172 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1173 * configure: Regenerate.
1174 * doc/install.texi (--enable-tls): Document new option.
1175 (--disable-tls): Ditto.
1177 2006-01-24 Richard Henderson <rth@redehat.com>
1179 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1180 * alias.c (true_dependence): Respect it.
1181 (canon_true_dependence, write_dependence_p): Likewise.
1182 * builtins.c (get_builtin_sync_mem): Set it.
1184 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1186 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1189 2006-01-24 DJ Delorie <dj@redhat.com>
1191 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1192 for storing constants in single-bit bitfields.
1194 2006-01-25 Ben Elliston <bje@au.ibm.com>
1196 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1198 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1201 * tree-ssa-pre.c (phi_translate): Return NULL
1202 for AGGREGATE_TYPE's.
1204 2006-01-24 Zack Weinberg <zackw@panix.com>
1206 * genautomata.c (process_state_for_insn_equiv_partition):
1207 Use xcalloc for insn_arcs_array.
1208 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1209 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1211 2006-01-24 Richard Henderson <rth@redhat.com>
1213 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1216 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1218 PR rtl-optimization/25890
1219 PR rtl-optimization/25905
1220 * combine.c (expand_compound_operation, expand_field_assignment):
1221 Fail if the bitfield's final position is out of bounds.
1223 2006-01-24 Ian Lance Taylor <ian@airs.com>
1226 * cgraphunit.c (cgraph_output_in_order): Don't clear
1227 cgraph_asm_nodes until after asm strings have been output.
1229 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1231 * fix-header.c (read_scan_file): Add new parameter imultilib when
1232 calling register_include_chains.
1234 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1236 * omp-low.c: Update documentation.
1238 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1239 Daniel Berlin <dberlin@dberlin.org>
1243 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1244 return from the function.
1246 2006-01-22 Zack Weinberg <zackw@panix.com>
1248 * rtl.def (match_code): Add second argument.
1249 * genpreds.c (write_extract_subexp): New function.
1250 (write_match_code): Add path argument. Use write_extract_subexp.
1251 (write_predicate_expr): Pass path to write_match_code.
1252 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1253 not perform a mode test.
1254 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1255 a subexpression does not constrain the top-level code set.
1256 * read-rtl.c (read_rtx_variadic): New function.
1257 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1258 * doc/md.texi: Document new notation.
1259 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1260 (cmpsi_operand): ... here, using new notation.
1262 2006-01-22 Zack Weinberg <zackw@panix.com>
1264 * varray.c: Remove GENERATOR_FILE #ifdefs.
1266 2006-01-22 Zack Weinberg <zackw@panix.com>
1268 * genautomata.c (output_reserved_units_table): Emit nothing if
1269 description->query_units_num is zero. Remove extra blank line.
1270 (output_cpu_unit_reservation_p): Short circuit
1271 if description->query_units_num is zero.
1273 2006-01-22 Zack Weinberg <zackw@panix.com>
1275 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1276 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1277 nor any of the random handful of variables that used to be necessary
1278 when this program was linked with rtlanal.o. Prune set of forward
1279 function declarations.
1280 (struct attr_desc): Remove static_p field.
1281 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1282 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1283 (attr_string): Do not read the character one past the length of
1285 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1286 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1287 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1288 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1289 (make_automaton_attrs): New.
1290 (main): Do not call into genautomata. Call local gen_bypass
1291 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1292 Remove special case for insn_alts.
1293 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1294 varray.h (leftover from previous change). Prune set of forward
1295 function declarations. Remove state_alts fields from all
1296 structures. Remove state_alts_table from struct automaton.
1297 Make everything except main static. Do not maintain num_dfa_decls.
1298 Do not maintain state_alts fields of various structures.
1299 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1300 (add_arc): Remove state_alts argument. All callers updated.
1301 (output_reserved_units_table): Emit #ifdef here...
1302 (output_tables): ...not here. Don't generate state_alts tables.
1303 (expand_automata): Don't generate attributes.
1304 (write_automata): Don't generate state_alts functions.
1305 (main): New function.
1306 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1307 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1308 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1309 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1310 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1311 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1312 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1313 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1315 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1316 * genattrtab.h: Delete file.
1317 * Makefile.in (OBJS-common): Add insn-automata.o.
1318 (insn-automata.o): New rule.
1319 (simple_generated_c): Add insn-automata.c.
1320 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1321 (genprogmd): Add automata.
1322 (build/genattrtab): Needs no extra objects nor libraries.
1323 (build/genautomata): Needs build/vec.o and -lm.
1325 2006-01-22 Zack Weinberg <zackw@panix.com>
1327 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1328 (output_dfa_max_issue_rate, locked_states_num): Delete.
1329 (struct automaton): Add locked_states field.
1330 (output_dead_lock_vect): Save number of locked states in
1331 automaton->locked_states. If it is zero, don't print anything.
1332 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1333 (output_internal_dead_lock_func): Only test the dead_lock_vect
1334 for automata that have locked states.
1335 (output_statistics): Always print the number of locked states for
1336 each automaton. Calculate total number of locked states here.
1337 (write_automata): Don't call output_dfa_max_issue_rate.
1338 * genattrtab.c: Define length_unit_log as a const variable.
1339 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1340 max_insn_queue_index const.
1341 * final.c (length_unit_log): Declare const.
1342 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1344 2006-01-22 Zack Weinberg <zackw@panix.com>
1346 * genautomata.c: Include vec.h, not varray.h.
1347 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1348 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1349 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1350 VEC_* macros operating on appropriately typed vectors, or to
1351 malloced arrays when the size is known in advance. Const-ify
1352 many char* variables and function arguments. No functional changes.
1353 * Makefile.in (build/varray.o): Delete rule.
1354 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1355 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1357 2006-01-22 Zack Weinberg <zackw@panix.com>
1359 * gensupport.c: Define get_insn_name and record_insn_name here.
1360 (read_md_rtx): Call record_insn_name as appropriate.
1361 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1362 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1363 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1365 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1366 (BUILD_VARRAY): Delete.
1367 (genprognormal): Rename genprogmd. Fold in all programs from
1368 genprognoprint; also attrtab.
1369 (build/genattrtab): Just mention genautomata.o and varray.o.
1370 Reorganize a bit, add comments to make the categories clearer.
1372 2006-01-22 Zack Weinberg <zackw@panix.com>
1374 * genconditions.c (condition_table, add_condition): Delete.
1375 (write_conditions): Don't emit n_insn_conditions nor
1376 insn_elision_unavailable. Issue the gcc version #ifdef here,
1377 inside the table, with no #else clause ...
1378 (write_header): ...not here.
1379 (write_writer): New function.
1380 (main): Don't initialize condition_table. Use add_c_test.
1382 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1383 files on the command line.
1384 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1385 Return -1 if there is no entry in the table, don't abort.
1386 (add_c_test, traverse_c_tests): New functions.
1387 * gensupport.h (insn_elision_unavailable, insn_conditions)
1388 (n_insn_conditions): Delete declarations.
1389 (add_c_test, traverse_c_tests): Declare.
1390 * read-rtl.c: Include gensupport.h.
1391 (read_conditions): New function.
1392 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1393 (read_rtx_1): If we get EOF when we were looking for an initial
1394 open paren, return 0. Call read_conditions when appropriate.
1395 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1396 dummy-conditions.o. Eliminate references to insn-conditions.o,
1397 or change them to build/gencondmd.o, as appropriate. Remove
1398 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1399 from $(simple_generated_c). For all files remaining in those
1400 two lists, add insn-conditions.md to the generator command line.
1401 Give insn-constants.h/s-constants their own rules. Add rules
1402 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1403 (build/read-rtl.o): Depend on gensupport.h.
1404 (genprognormal): Include preds.
1405 (genprogearly): Rename genprognoprint; only difference is now that
1406 they don't link with $(BUILD_PRINT).
1407 * dummy-conditions.c: Delete.
1409 2006-01-22 Zack Weinberg <zackw@panix.com>
1411 * genextract.c: Don't include insn-config.h. Do include vec.h.
1412 Declare vectors of int, char, and locstr.
1413 (locstr): New typedef.
1414 (struct extraction): Make all array fields into bare pointers.
1415 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1416 (insn_code_number): Delete.
1417 (accum_extract): New struct.
1418 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1419 (gen_insn): Take insn_code_number as an argument. Use an
1420 accum_extract structure instead of loading data directly into
1421 a struct extraction, and having to know how big it might get.
1422 (walk_rtx): Operate entirely on an accum_extract structure.
1423 (print_path): Avoid unnecessary use of printf.
1424 (print_header): New function, split out of main. Distinguish
1425 more carefully between an unrecognizable insn and an insn that
1426 has the code number of a define_expand.
1427 (main): Pass insn_code_number to gen_insn. Call print_header
1428 only after parsing. Avoid unnecessary use of printf.
1429 * Makefile.in (build/vec.o): New rule.
1430 (build/genextract): Depend on build/vec.o.
1431 (build/genextract.o): Don't depend on insn-config.h.
1433 2006-01-22 Zack Weinberg <zackw@panix.com>
1435 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1436 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1437 practical. Eliminate per-generator-program link rules.
1439 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1442 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1443 with a call expr to ...
1444 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1446 2006-01-23 Richard Guenther <rguenther@suse.de>
1448 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1449 before make_edge with conditional EDGE_TRUE_VALUE.
1451 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1452 Jan Hubicka <jh@suse.cz>
1453 Richard Guenther <rguenther@suse.de>
1455 PR rtl-optimization/25654
1456 * cfgexpand.c (aggregate_contains_union_type): New function.
1457 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1458 for structure variables that contain a union type.
1460 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1462 * gengtype.c (new_structure): Return the structure.
1463 (create_option): Add an extra "next" argument.
1464 (create_field): New function.
1465 (adjust_field_rtx_def): Use create_option and create_field.
1466 Remove a now-unnecessary call to find_structure.
1467 (adjust_field_tree_def): Likewise.
1468 (note_yacc_type): Remove an unnecessary call to find_structure.
1469 * gengtype.h (new_structure): Return the structure.
1470 (create_option): Add an extra argument.
1471 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1472 (option): Adjust calls to create_option.
1474 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1476 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1478 2006-01-22 Paul Brook <paul@codesourcery.com>
1479 Peter Barada <peter@the-baradas.com>
1481 * config/m68k/m68k.md: Add Coldfire FPU support.
1482 Define FP mode macro and associated attributes.
1483 Use it for float mode patterns.
1484 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1485 (LIBCALL_VALUE): Use m68k_libcall_value.
1486 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1487 (m68k_function_value): Ditto.
1488 (emit_move_sequence): Ditto.
1489 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1490 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1491 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1492 (MULTILIB_EXCEPTIONS): Ditto.
1493 * config/m68k/m68k.opt: Add mcfv4e.
1494 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1495 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1496 (m68k_output_function_prologue): Save ColdFire FPU registers.
1497 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1498 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1499 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1500 ColdFire FPU registers.
1501 (m68k_libcall_value, m68k_function_value): New functions.
1502 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1503 (LIBCALL_VALUE): Use m68k_libcall_value.
1504 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1505 (MASK_COLDFIRE): Add MASK_CFV4E.
1506 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1507 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1508 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1509 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1510 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1511 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1512 * doc/invoke.tex: Document -mcfv4e on m68k.
1514 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1516 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1519 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1522 * c-opts.c (c_common_handle_option): Don't include
1523 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1524 * doc/invoke.texi (C++ Dialect Options): Document that
1525 -Wnon-virtual-dtor is no longer included in -Wall.
1527 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1529 * gcov.c (print_version), gcov-dump.c (print_version),
1530 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1533 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1535 * df-scan.c (problem_SCAN): Added NULL reset function.
1536 (df_scan_reset_blocks): Added code to call reset block function
1537 (df_bb_refs_delete) Fixed comment.
1538 (df_insn_refs_delete): Made tolerant of deleting non existent info
1539 for dataflow problems that need to be reset.
1540 * df-core.c (df_set_blocks): Ditto.
1541 * df.h (struct df_problem): Added reset_fun.
1542 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1543 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1544 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1545 functions to clear out all references to def-use or use-def chains.
1547 2006-01-21 Ben Elliston <bje@au.ibm.com>
1549 * varasm.c (assemble_real): Initialise data array.
1551 2006-01-20 Paul Brook <paul@codesourcery.com>
1553 Merge from csl-arm-branch.
1554 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1555 * config/arm/arm.md (movdi): Force operands[1] to a register
1556 if we have a non-register source.
1557 (*arm_movdi, *movdf_soft_insn): Require that one of the
1558 operands be a register.
1559 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1560 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1562 2006-01-20 DJ Delorie <dj@redhat.com>
1564 * varasm.c (initialize_constant_valid_p): Allow pointers
1565 initialized from integer constants of lesser precision.
1566 (output_constant): Allow non-int-sized pointer modes to be
1567 initialized from integer constants.
1569 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1572 * cppdefault.h (struct default_include): Add multilib flag.
1573 * cppdefault.c (cpp_include_defaults): Set it.
1574 * c.opt (-imultilib): New option.
1575 * c-opts.c (imultilib): New.
1576 (c_common_handle_option): Handle -imultilib.
1577 (c_common_post_options): Likewise.
1578 * c-incpath.c (add_standard_paths, register_include_chains):
1580 * c-incpath.h (register_include_chains): Add extra parameter.
1581 * gcc.c (do_spec_1): Generate -imultilib option.
1582 (The Specs Language): Update %I description.
1583 (process_command): Update copyright notice.
1584 * doc/cppopts.texi (-imultilib): Document.
1585 * doc/invoke.texi (-imultilib): Include in option summary.
1586 (%I): Update specs documentation.
1588 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1590 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1592 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1594 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1597 2006-01-20 Richard Guenther <rguenther@suse.de>
1598 Steven Bosscher <stevenb.gcc@gmail.com>
1600 PR rtl-optimization/24626
1601 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1602 EDGE_TRUE_VALUE if in RTL mode.
1605 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1606 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1608 2006-01-20 Dirk Mueller <dmueller@suse.com>
1611 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1612 instead of a special NOP marker.
1613 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1614 NOP marker handling.
1615 * c-common.h (empty_body_warning): Add forward declaration.
1616 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1617 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1619 2006-01-20 Paul Brook <paul@codesourcery.com>
1621 * Makefile.in (lang_checks): Keep going if mkdir fails.
1623 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1625 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1626 be able to clean out basic block when not necessary.
1627 (df_scan_free): Fixed to properly delete information if df is
1628 unused before calling df_finish.
1629 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1630 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1632 (df_bb_refs_delete): New function.
1633 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1634 * df-core.c (df_set_blocks): Added code to properly clean out
1635 unused blocks if they are not part of the blocks to consider.
1636 Added additional null check.
1637 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1638 be able to clean out basic block when not necessary
1639 * df.h (df_free_bb_function): Ditto.
1640 (df_bb_refs_delete): New function.
1641 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1642 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1643 basic block parameter to be able to clean out basic block when not
1645 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1646 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1647 Fixed to properly delete information if df is unused before
1650 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1652 PR rtl-optimization/25799
1653 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1654 Corrected confluence operator to remove bits from op2 before oring
1655 with op1 rather than removing bits from op1.
1656 (df_ru_transfer_function): Corrected test on wrong bitmap which
1657 caused infinite loop. Both of these problems were introduced in
1658 the dataflow rewrite.
1660 2006-01-19 DJ Delorie <dj@redhat.com>
1662 * reload1.c (find_reload_regs): Note the details of reload
1663 failures in the dump file.
1664 (spill_failure): Likewise.
1666 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1668 * loop-iv.c: Include df.h and hashtab.h.
1669 (enum iv_grd_result): New enum.
1670 (DF_REF_IV, DF_REF_IV_SET): New macros.
1671 (struct biv_entry): New.
1672 (df, bivs): New global variables.
1673 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1674 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1676 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1677 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1678 analyzed_for_bivness_p, record_biv): New functions.
1679 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1680 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1681 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1683 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1685 (iv_number_of_iterations): Use new interface to iv analysis.
1686 * loop-unroll.c: Do not include varray.h.
1687 (analyze_iv_to_split_insn): Use new interface to iv
1689 * loop-unswitch.c (may_unswitch_on): Ditto.
1690 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1692 (df_bb_modify): Realloc tables to the new index.
1693 (df_find_use): New function.
1694 * df.h (df_find_use): Declare.
1695 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1697 * cfgloop.h (struct rtx_iv): Remove analysed field.
1698 (iv_get_reaching_def): Removed.
1699 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1700 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1701 (loop-iv.o): Add df.h and hashtab.h dependency.
1702 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1704 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1707 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1709 (__floatundisf, __floatundidf): Likewise.
1710 * libgcc2.h (IS_IBM_EXTENDED): Define.
1712 2006-01-19 DJ Delorie <dj@redhat.com>
1714 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1716 2006-01-19 Paul Brook <paul@codesourcery.com>
1718 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1719 as nothrow when unwinding tables are disabled.
1721 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1724 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1725 of bit-field" when in system header.
1727 2006-01-19 DJ Delorie <dj@redhat.com>
1729 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1730 the 16 bit shift limit of the m16c.
1732 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1735 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1736 * config/i386/i386.c (output_set_got): Output the label if we have one
1737 for the TARGET_DEEP_BRANCH_PREDICTION case.
1739 2006-01-19 Jan Hubicka <jh@suse.cz>
1740 H.J. Lu <hongjiu.lu@intel.com>
1741 Evandro Menezes <evandro.menezes@amd.com>
1743 * invoke.texi (generic): Document
1745 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1746 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1747 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1748 (x86_use_incdec, x86_pad_returns): New variables
1749 (TARGET_CPU_DEFAULT_generic): New constant
1750 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1751 (enum processor_type): Add generic32 and generic64.
1752 * i386.md (cpu attribute): Add generic32/generic64
1753 (movhi splitter): Behave sanely when both partial_reg_dependency and
1754 partial_reg_stall are set.
1755 (K8 splitters): Enable for generic as well.
1756 * predicates.md (incdec_operand): Use TARGET_INCDEC
1757 (aligned_operand): Avoid memory mismatch stalls.
1758 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1759 * ppro.md: Enable for generic32
1760 * i386.c (generic64_cost, generic32_cost): New.
1761 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1762 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1763 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1764 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1765 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1766 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1767 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1768 x86_accumulate_outgoing_args, x86_prologue_using_move,
1769 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1770 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1772 (x86_use_incdec, x86_pad_returns): New.
1773 (override_options): Add generic32 and generic64, translate "generic"
1774 to generic32/generic64 and "i686" to "generic32", refuse
1775 "generic32"/"generic64" as arch target.
1776 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1777 (ix86_reorg): Honor PAD_RETURNS.
1779 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1781 * tree-pretty-print.c (dump_generic_node): Handle
1782 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1783 * cgraph.c (cgraph_expand_queue): Rename from
1784 cgraph_analyze_queue. Update all users.
1785 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1786 cgraph_expand_queue.
1787 (cgraph_expand_all_functions): Likewise.
1788 (cgraph_finalize_pending_functions): Remove. Update callers.
1790 * tree.h (OMP_DIRECTIVE_P): Define.
1791 (OMP_PARALLEL_FN): Define.
1792 (OMP_PARALLEL_DATA_ARG): Define.
1793 (OMP_SECTIONS_SECTIONS): Define.
1794 * tree-pass.h (pass_expand_omp): Declare.
1795 * omp-low.c (struct omp_region): Declare.
1796 (struct omp_context): Remove fields 'parallel_type',
1797 'parallel_start_ix' and 'parallel_start_additional_args'.
1799 (struct omp_for_data): Rename from struct expand_omp_for_data.
1800 (omp_regions): New static variable.
1801 (root_omp_region): New static variable.
1802 (find_omp_clause): Make static.
1803 (is_in_combined_parallel_ctx): Remove.
1804 (is_combined_parallel): New.
1805 (extract_omp_for_data): Move earlier in the file.
1806 (workshare_safe_to_combine_p): New.
1807 (get_ws_args_for): New.
1808 (determine_parallel_type): Move earlier in the file.
1809 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1811 (omp_copy_decl): Likewise.
1812 (create_omp_child_function): Likewise.
1813 (lookup_omp_region): New.
1814 (dump_omp_region): New.
1815 (debug_omp_region): New.
1816 (debug_all_omp_regions): New.
1817 (new_omp_region): New.
1818 (scan_omp_parallel): If parallel_nesting_level > 1, the
1819 directive is nested within another parallel directive.
1820 Set OMP_PARALLEL_FN.
1821 (scan_omp_for): Do not try to handle combined parallel+for
1823 Remove FIXME comment.
1824 (scan_omp_nested): Remove.
1825 (scan_omp_1): Do not call scan_omp_nested when
1826 parallel_nesting_level is > 1.
1827 Do not change the DECL_CONTEXT of local variables found.
1828 (lookup_decl_in_outer_ctx): New.
1829 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1830 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1831 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1832 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1833 If CTX is nested, lookup VAR in the outer context when
1834 building copy assignment.
1835 (lower_send_clauses): Rename from expand_send_clauses.
1836 If CTX is nested, lookup VAR in the outer context when
1837 building copy assignments.
1838 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1839 If CTX is nested, lookup VAR in the outer context when
1840 building copy assignments.
1841 (expand_parallel_call): Rename from build_parallel_call.
1842 Handle combined parallel+workshare cases.
1843 Re-implement to emit code into the CFG.
1845 (expand_omp_parallel): Re-implement to emit code into the CFG.
1846 Call move_sese_region_to_fn to outline the sub-graph
1847 containing the parallel region.
1848 (expand_omp_for_1): Remove.
1849 (expand_omp_for_generic): Re-implement to emit code into the
1851 (expand_omp_for_static_nochunk): Likewise.
1852 (expand_omp_for_static_chunk): Likewise.
1853 (expand_omp_for): Likewise.
1854 (expand_omp_sections): Likewise.
1855 (remove_exit_barriers): New.
1856 (expand_omp_synch): New.
1858 (build_omp_regions_1): New.
1859 (build_omp_regions): New.
1860 (execute_expand_omp): New.
1861 (gate_expand_omp): New.
1862 (pass_expand_omp): Define.
1863 (lower_omp_sections): Rename from expand_omp_sections.
1864 Set OMP_SECTIONS_SECTIONS.
1865 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1866 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1867 (lower_omp_single): Rename from expand_omp_simple.
1868 (lower_omp_master): Rename from expand_omp_master.
1869 (lower_omp_ordered): Rename from expand_omp_ordered.
1870 (lower_omp_critical): Rename from expand_omp_critical.
1871 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1872 (lower_omp_for): Re-implement.
1873 (lower_omp_parallel): Re-implement.
1874 (lower_regimplify): Rename from expand_regimplify.
1875 (lower_omp_1): Rename from expand_omp_1.
1876 If there are syntax errors in the program, replace every
1877 OpenMP directive with NOP.
1878 Call lower_omp_* instead of expand_omp_*.
1879 (lower_omp): Rename from expand_omp.
1881 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1882 * tree-gimple.h (enum omp_parallel_type): Remove.
1883 (gimple_boolify): Declare extern.
1884 (find_omp_clause, determine_parallel_type): Remove.
1886 * gimple-low.c (lower_omp_directive): New.
1887 (lower_stmt): Call it.
1888 (record_vars_into): Move from ...
1889 (record_vars): ... here.
1890 Call record_vars_into with current_function_decl.
1892 * gimplify.c (struct gimplify_ctx): Remove fields
1893 combined_pre_p and combined_ctxp. Update users.
1894 (get_formal_tmp_var): Add documentation.
1895 (gimple_boolify): Make extern.
1896 (gimplify_expr_in_ctx): Remove. Update callers.
1897 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1898 will always be a BIND_EXPR.
1899 (gimplify_expr): Handle OMP_RETURN_EXPR.
1900 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1901 (OMP_PARALLEL): Add 3 operands.
1902 (OMP_SECTIONS): Add 1 operand.
1903 (OMP_RETURN_EXPR): Define.
1905 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1906 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1907 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1908 creating a circular free list.
1909 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1911 * tree-flow.h (move_sese_region_to_fn): Declare.
1912 (record_vars_into): Declare.
1913 * tree-cfg.c (make_omp_sections_edges): New.
1914 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1915 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1916 OMP_SECTIONS and OMP_SECTION.
1917 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1918 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1919 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1920 (gather_blocks_in_sese_region): New.
1921 (struct move_stmt_d): Declare.
1923 (move_block_to_fn): New.
1924 (move_sese_region_to_fn): New.
1926 * passes.c (init_optimization_passes): Schedule
1927 pass_expand_omp after pass_init_datastructures.
1929 * tree-ssa-operands.c (get_expr_operands): Handle
1930 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1931 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1933 2006-01-19 Jeff Law <law@redhat.com>
1935 * tree-vrp.c (extract_range_from_assert): Refine the result range
1936 if the variable referenced by the ASSERT_EXPR has a range and
1937 either the tentative result range or the previous range is a
1940 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1942 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1944 2006-01-19 Jan Hubicka <jh@suse.cz>
1946 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1948 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1950 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1951 (expand_compound_operation, expand_field_assignment): Fail if the
1952 bit lengths of an extract operation are out of range.
1953 (make_extraction): Compute wanted_inner_mode based on the position
1954 and length of the extraction. Make it extraction_mode for non-constant
1955 positions, and do not modify offset in that case. When generating a
1956 new MEM, use a mode that can hold the extraction while keeping correct
1957 alignment. Remove code that supported MEMs wrapped by USEs.
1958 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1960 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1962 * config/s390/s390.md ("Y", "y"): New mode attribute.
1963 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1964 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1965 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1966 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1967 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1968 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1969 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1970 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1971 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1972 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1973 "addsi3", "subsi3"): Insn patterns removed.
1974 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1975 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1976 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1977 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1978 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1979 "*sub<mode>3_cconly2"): New insn patterns.
1980 ("addsi3", "subsi3"): New expanders.
1982 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1984 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1985 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1986 existing STMT_VINFO_VECTYPE if available.
1987 (vect_mark_relevant): Add special handling for stmts that are
1988 marked as STMT_VINFO_IN_PATTERN_P.
1989 (vect_analyze_loop): Call vect_pattern_recog.
1990 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1991 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1993 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1994 (vect_recog_func_ptr): New function-pointer type.
1995 * tree-vect-patterns.c: New file.
1996 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1997 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1998 (vect_pattern_recog_1): New functions.
1999 (vect_pattern_recog_funcs): New array of function pointers.
2001 * tree-vectorizer.h (ternary_op): New enum value.
2002 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2003 declaration. Revised documentation. Removed redundant dump prints.
2004 Removed redundant argument. Added support for reduction patterns.
2005 (vectorizable_reduction): Added support for reduction patterns.
2006 (vect_transform_stmt): Added support for patterns.
2008 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2009 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2010 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2011 (expand_widen_pattern_expr): New function.
2012 (init_optabs): Initialize new optabs udot_prod_optab,
2014 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2015 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2016 (expand_widen_pattern_expr): New function declaration.
2017 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2019 * tree-inline.c (estimate_num_insns_1): Added cases for new
2020 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2021 * tree-pretty-print.c (dump_generic_node): Likewise.
2022 (op_prio): Likewise.
2023 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2024 * tree-ssa-operands.c (get_expr_operands): Added case for
2026 * tree-vect-patterns.c (widened_name_p): New function.
2027 (vect_recog_dot_prod_pattern): Added function implementation.
2028 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2029 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2030 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2031 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2033 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2034 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2035 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2036 (init_optabs): Initialize new optabs widen_ssum_optab,
2038 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2039 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2040 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2041 use instead of type of def.
2042 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2043 function implementation.
2044 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2045 widen_ssumv8hi): New.
2047 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2050 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2053 * c-decl.c (add_flexible_array_elts_to_size): New function.
2054 (finish_decl): Use it.
2056 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2058 * diagnostic.h: Include options.h.
2059 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2060 dependancies for diagnostic.h.
2061 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2063 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2065 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2066 (ssa_ro_call_cache_valid): Ditto.
2067 * tree-ssa-alias.c (sort_tags_by_id): New function.
2068 (init_transitive_clobber_worklist): Ditto.
2069 (add_to_worklist): Ditto.
2070 (mark_aliases_call_clobbered): Ditto.
2071 (compute_tag_properties): Ditto.
2072 (set_initial_properties): Ditto.
2073 (compute_call_clobbered): Ditto.
2074 (compute_may_aliases): Call compute_call_clobbered and grouping.
2075 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2076 (compute_flow_insensitive_aliasing): Grouping now happens in our
2078 (setup_pointers_and_addressables): Remove clobbering related code.
2079 (add_may_alias): Ditto.
2080 (replace_may_alias): Ditto.
2081 (get_nmt_for): Ditto.
2082 (create_global_var):
2083 (is_escape_site): Return an escape_type enumeration.
2084 * tree-flow-inline.h (is_call_clobbered): Global var does not
2085 imply call clobbered.
2086 (mark_call_clobbered): Take a reason for marking this. Remove
2087 marking of globalness, and cache invalidation.
2088 (clear_call_clobbered): Remove cache invalidation code.
2089 * tree-dfa.c (dump_variable): If details is on, dump the reason
2091 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2093 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2094 (struct var_ann_d): Ditto.
2095 (enum escape_type): New.
2096 (mark_call_clobbered): Adjust prototype.
2097 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2098 are never call clobbered.
2099 Record reasons for escaping.
2100 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2101 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2102 (ssa_ro_call_cache_valid): Ditto.
2103 (clobbered_v_may_defs): Ditto.
2104 (clobbered_vuses): Ditto.
2105 (ro_call_vuses): Ditto.
2106 (clobber_stats): New.
2107 (init_ssa_operands): Zero out clobber stats.
2108 (fini_ssa_operands): Print out clobber stats.
2109 (get_call_expr_operands): Pass callee fndecl to
2111 (add_call_clobber_ops): Remove use of cache.
2112 Add use of PURE_CONST information.
2113 (add_call_read_ops): Remove use of cache.
2114 Add use of static not_read information.
2116 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2118 Introduce TLS descriptors for i386 and x86_64.
2119 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2120 (TARGET_ANY_GNU_TLS): New macro.
2121 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2122 (struct machine_function): Add tls_descriptor_call_expanded_p.
2123 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2124 (ix86_current_function_calls_tls_descriptor): Likewise.
2125 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2126 (override_options): Introduce gnu2 tls dialect.
2127 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2129 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2131 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2132 (ix86_init_machine_status): Initialize new field.
2133 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2134 (ix86_tls_module_base): New.
2135 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2136 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2137 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2138 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2139 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2140 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2141 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2142 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2143 * config/i386/predicates.md (tls_modbase_operand): New.
2144 (tp_or_register_operand): New.
2146 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2148 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2149 (look_for_address_of): Ditto.
2150 (ipa_init): Walk the function decls.
2151 (static_execute): Don't set readonly on FUNCTION_DECL's.
2153 2006-01-18 Roger Sayle <roger@eyesopen.com>
2155 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2156 for shifts where the source and destination registers are different.
2158 2006-01-18 Paul Brook <paul@codesourcery.com>
2160 Merge from csl-arm-branch.
2161 2005-03-14 Julian Brown <julian@codesourcery.com>
2162 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2163 (aeabi_llsl): Likewise.
2164 (ashrdi3): Likewise.
2165 (aeabi_lasr): Likewise.
2166 (lshrdi3): Likewise.
2167 (aeabi_llsr): Likewise.
2168 2005-03-10 Julian Brown <julian@codesourcery.com>
2169 * config.gcc: Disable shared libgcc for SymbianOS.
2170 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2172 2006-01-18 DJ Delorie <dj@redhat.com>
2174 * c-pragma.c (handle_pragma_diagnostic): New.
2175 (init_pragma): Register it.
2176 * doc/extend.texi: Document it.
2178 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2179 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2180 (diagnostic_context): Add classify_diagnostic[].
2181 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2182 as errors if they're overridden to DK_WARNING.
2183 (diagnostic_initialize): Initialize classify_diagnostic[].
2184 (diagnostic_set_kind_override): New.
2185 (diagnostic_report_diagnostic): Check for kind changes.
2186 * opts.c (common_handle_option): Take lang_mask. Update callers.
2188 * common.opt (Werror=): New.
2189 * doc/invoke.texi: Document -Werror=*
2191 2006-01-18 Jeff Law <law@redhat.com>
2193 * tree-vrp.c (test_for_singularity): Correct test for new
2194 min limit. Use operand_equal_p rather than pointer equality
2195 for testing if new min/max values are equal.
2197 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2198 using range information until after propagation and folding.
2200 2006-01-18 Richard Henderson <rth@redhat.com>
2201 Aldy Hernandez <aldyh@redhat.com>
2202 Jakub Jelinek <jakub@redhat.com>
2203 Diego Novillo <dnovillo@redhat.com>
2205 * omp-low.c: New file.
2206 * c-omp.c: New file.
2208 2006-01-18 Richard Henderson <rth@redhat.com>
2209 Jakub Jelinek <jakub@redhat.com>
2210 Diego Novillo <dnovillo@redhat.com>
2212 * doc/invoke.texi: Document -fopenmp.
2213 * tree-dump.h (debug_function): Declare.
2214 * hooks.c (hook_bool_tree_bool_false): New function.
2215 (hook_tree_tree_null): Remove.
2216 (hook_tree_tree_tree_null): New.
2217 * hooks.h: Update to match.
2218 * tree-pretty-print.c (debug_tree_chain): New.
2219 (print_generic_expr): Handle TDF_CHAIN.
2220 (dump_generic_node): Handle BLOCK.
2221 Do not abort with incomplete SWITCH_EXPRs.
2222 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2223 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2224 print space after directive name.
2225 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2226 Handle OMP_MASTER and OMP_ORDERED.
2227 Handle printing of OMP_BODY just in one place, goto
2228 dump_omp_body in the rest of OMP_* nodes that have
2230 Don't handle clause nodes here. Update omp statements to
2231 use dump_omp_clauses.
2232 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2233 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2234 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2235 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2236 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2237 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2238 Adjust output for GOMP_PARALLEL.
2239 (dump_omp_clauses): New.
2240 (print_declaration): Dump DECL_VALUE_EXPR.
2241 (op_symbol_1): Split out of op_symbol.
2242 (dumping_stmts): Remove. Update all users.
2243 * cgraph.c (cgraph_analyze_queue): New.
2244 (cgraph_add_new_function): New.
2245 * cgraph.h (cgraph_analyze_queue): Declare.
2246 (cgraph_add_new_function): Declare.
2247 (cgraph_lower_function): Remove.
2248 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2249 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2250 and TYPE_P nodes in its default clause.
2251 (empty_body_p): New.
2252 (tree_range_check_failed): New.
2254 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2255 OMP_CLAUSE_REDUCTION_MERGE,
2256 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2257 OMP_CLAUSE_PRIVATE_DEBUG,
2258 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2259 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2260 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2261 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2262 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2263 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2264 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2265 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2266 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2267 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2268 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2269 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2270 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2271 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2272 (TREE_RANGE_CHECK): New.
2273 (empty_body_p): Declare.
2274 (enum omp_clause_default_kind): New.
2275 (build_string_literal): Declare.
2276 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2277 (build5_stat, build5): Declare.
2278 * tree-pass.h (TDF_CHAIN): Define.
2279 * tree-pass.h (PROP_gimple_lomp): Define.
2280 (pass_lower_omp): Declare.
2281 * diagnostic.h (debug_tree_chain): Declare.
2282 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2284 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2285 * builtins.c (build_string_literal): Make extern.
2286 * gcc.c (include_spec_function): New.
2287 (static_spec_functions): Add it.
2288 (main): Move load of libgomp.spec ...
2289 (LINK_COMMAND_SPEC): ... here.
2290 (link_gomp_spec): New.
2291 (static_specs): Include it.
2292 (LINK_COMMAND_SPEC): Add link_gomp.
2293 (GOMP_SELF_SPECS): New.
2294 (driver_self_specs): Include it.
2295 (switch_matches): Don't mark inline.
2296 (main): Load libgomp.spec.
2297 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2298 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2299 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2300 * tree-gimple.h (enum omp_parallel): Declare.
2301 (determine_parallel_type): Declare.
2302 (omp_firstprivatize_variable): Declare.
2303 (omp_reduction_init): Declare.
2304 (diagnose_omp_structured_block_errors): Declare.
2305 (struct walk_stmt_info): Add want_return_expr.
2306 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2307 (find_omp_clause): Declare.
2308 (insert_field_into_struct): Declare.
2309 (struct walk_stmt_info): Move from tree-nested.c
2310 (walk_stmts): Declare.
2311 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2313 * cgraphunit.c (cgraph_lower_function): Make static.
2314 (cgraph_finalize_pending_functions): New.
2315 (cgraph_finalize_function): Call it.
2316 (cgraph_finalize_compilation_unit): Likewise.
2317 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2318 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2319 (BT_FN_UINT_UINT): New.
2320 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2321 DEF_FUNCTION_TYPE_VAR_4): Document.
2322 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2323 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2324 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2325 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2326 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2327 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2328 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2329 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2330 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2331 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2332 into separate files.
2333 (DEF_GOMP_BUILTIN): New.
2334 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2335 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2336 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2337 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2338 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2339 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2340 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2341 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2342 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2343 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2344 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2345 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2346 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2347 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2348 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2349 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2350 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2351 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2352 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2353 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2354 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2355 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2356 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2357 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2358 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2359 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2360 * sync-builtins.def: New file, moved from builtins.def.
2361 * omp-builtins.def: New file, moved from builtins.def.
2362 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2363 * gimple-low.c (lower_function_body): Clear data.
2364 (lower_stmt): Do not handle COMPOUND_EXPR.
2365 Remove call to print_node_brief.
2366 * c-tree.h (c_finish_omp_clauses): New prototype.
2367 (C_DECL_THREADPRIVATE_P): Define.
2368 (lookup_name_no_remap, c_omp_remap_private): Remove
2369 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2370 (check_for_loop_decls): Update decl.
2371 (lookup_name_no_remap, c_omp_remap_private): Declare.
2372 (build_indirect_ref, build_modify_expr, pushdecl,
2373 pushdecl_top_level): Move to c-common.h.
2374 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2375 before the switch, but just in the 2 places that need it.
2376 * c-decl.c (diagnose_mismatched_decls): Do not check for
2377 mismatched thread-local attributes when OLDDECL is marked
2378 threadprivate and NEWDECL has no thread-local attributes.
2379 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2380 (c_gimple_diagnostics_recursively): Rename from
2381 c_warn_unused_result_recursively. Invoke
2382 diagnose_omp_structured_block_errors.
2383 (check_for_loop_decls): Return a singular decl found.
2384 * langhooks.c (lhd_omp_predetermined_sharing): Return
2385 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2386 (lhd_omp_firstprivatize_type_sizes): New.
2387 (lhd_omp_assignment): New.
2388 (lhd_omp_predetermined_sharing): New.
2389 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2390 (struct lang_hooks_for_types): Add
2391 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2392 omp_predetermined_sharing, omp_disregard_value_expr,
2393 omp_private_debug_clause, omp_clause_default_ctor,
2394 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2395 (c_finish_omp_clauses): New.
2396 (c_finish_bc_stmt): Diagnose break within omp for.
2397 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2398 (build_unary_op): Return error_mark after reporting
2400 (build_modify_expr): Likewise.
2401 * gimplify.c: Include optabs.h and pointer-set.h.
2402 (enum gimplify_omp_var_data): Declare.
2403 (struct gimplify_omp_ctx): Declare.
2404 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2406 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2407 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2408 (splay_tree_compare_decl_uid): New.
2409 (new_omp_context): New.
2410 (delete_omp_context): New.
2411 (gimple_add_tmp_var): Call omp_add_variable.
2412 (gimplify_bind_expr): Likewise.
2413 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2414 true, disregard DECL_VALUE_EXPR on the decl if any.
2415 (gimplify_expr_in_ctx): New.
2416 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2417 omp_add_variable, omp_notice_variable, omp_is_private
2418 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2419 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2420 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2421 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2422 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2423 gimplify_omp_atomic): New.
2424 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2425 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2426 OMP_CRITICAL and OMP_ATOMIC.
2427 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2428 * c-pragma.h (enum pragma_kind): Add
2429 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2430 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2431 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2432 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2433 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2434 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2435 PRAGMA_OMP_THREADPRIVATE.
2436 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2437 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2438 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2439 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2440 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2441 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2442 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2443 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2444 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2445 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2446 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2447 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2448 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2450 (struct nesting_info): Add field_map,
2451 suppress_expansion, debug_var_chain.
2452 (create_nesting_tree): Initialize them.
2453 (lookup_field_for_decl): Use field_map.
2454 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2455 (convert_local_omp_clauses): New.
2456 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2457 (walk_body): Split out of walk_function.
2458 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2459 (convert_nonlocal_reference): Handle omp statements.
2460 (convert_local_reference): Likewise.
2461 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2462 (unnest_nesting_tree): New.
2463 (lower_nested_functions): Call it.
2464 (insert_field_into_struct): Make extern.
2465 (struct walk_stmt_info): Move to tree-gimple.h.
2466 (walk_stmts): Make extern.
2467 * omp-builtins.def: New file.
2468 * tree-iterator.c (expr_only): Clarify comment.
2469 * c-common.h (pushdecl_top_level, pushdecl,
2470 build_modify_expr, build_indirect_ref,
2471 c_finish_omp_master, c_finish_omp_critical,
2472 c_finish_omp_ordered, c_finish_omp_barrier,
2473 c_finish_omp_atomic, c_finish_omp_flush,
2474 c_finish_omp_for, c_split_parallel_clauses,
2475 omp_clause_default_kind, c_omp_sharing_predetermined,
2476 c_omp_remap_decl): Declare.
2477 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2478 (OBJS-common): Add omp-low.o.
2479 (c-omp.o, omp-low.o): Add.
2480 (gimplify.o): Add dependency on $(OPTABS_H).
2481 (GTFILES): Add omp-low.c.
2482 (gt-stringpool.h): Add.
2483 * tree-cfg.c (set_bb_for_stmt): Do not update the
2484 block-to-labels map if we are currently expanding to RTL.
2485 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2487 Handle IDENTIFIER_NODE.
2488 (tree_verify_flow_info): Do not ICE when emitting error
2489 messages about invalid labels.
2490 (dump_function_to_file): Reset CFUN before emitting the body
2492 (debug_function): New.
2493 * passes.c (init_optimization_passes): Schedule
2495 * langhooks-def.h (lhd_omp_predetermined_sharing,
2496 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2498 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2499 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2500 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2501 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2502 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2503 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2504 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2505 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2506 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2507 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2508 (LANG_HOOK_DECLS): Use them.
2510 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2511 Richard Henderson <rth@redhat.com>
2512 Jakub Jelinek <jakub@redhat.com>
2513 Diego Novillo <dnovillo@redhat.com>
2515 * c-parser.c (pragma_omp_clause): Define.
2516 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2517 (c_parser_compound_statement): Likewise.
2518 (c_parser_statement): Likewise.
2519 (c_parser_pragma): Handle omp pragmas.
2520 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2521 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2522 (c_parser_omp_clause_name, check_no_duplicate_clause,
2523 c_parser_omp_variable_list,
2524 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2525 c_parser_omp_clause_copyprivate,
2526 c_parser_omp_clause_default,
2527 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2528 c_parser_omp_clause_lastprivate,
2529 c_parser_omp_clause_nowait,
2530 c_parser_omp_clause_num_threads,
2531 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2532 c_parser_omp_clause_reduction,
2533 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2534 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2535 c_parser_omp_atomic, c_parser_omp_barrier,
2536 c_parser_omp_critical, c_parser_omp_flush,
2537 c_parser_omp_for_loop, c_parser_omp_for,
2538 c_parser_omp_master, c_parser_omp_ordered,
2539 c_parser_omp_sections_scope, c_parser_omp_sections,
2540 c_parser_omp_parallel, c_parser_omp_single,
2541 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2542 * c-pragma.c (init_pragma): Do omp pragma registration here.
2543 * c.opt (fopenmp): New flag.
2545 2006-01-18 Eric Christopher <echristo@apple.com>
2547 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2548 * config/darwin.h (GOMP_SELF_SPECS): Define.
2550 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2552 * rtl.h: Remove the prototype for reg_alloc.
2554 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2557 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2558 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2559 sjlj and dwarf2 exception handling.
2560 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2561 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2562 * pa/pa.c (function_value): Treat complex and vector types as
2564 (function_arg): Likewise. Only pass scalar floats in the floating
2565 point argument registers.
2566 * pa/t-slibgcc-dwarf-ver: New file.
2567 * pa/t-slibgcc-sjlj-ver: New file.
2568 * pa/t-slibgcc-elf-ver: Delete file.
2570 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2572 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2573 unlikely_test_section_p test.
2575 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2577 * mode-switching.c (optimize_mode_switching): Make it static.
2578 * basic-block.h: Remove the prototype for
2579 optimize_mode_switching.
2581 * modulo-sched.c (sms_schedule): Make it static.
2582 * rtl.h: Remove the prototype for sms_schedule.
2584 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2585 * rtl.h: Remove the prototype for gcse_after_reload_main.
2587 * reg-stack.c (reg_to_stack): Make it static.
2588 * rtl.h: Remove the prototype for reg_to_stack.
2590 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2592 * rtl.h: Remove the prototypes for regrename_optimize and
2593 copyprop_hardreg_forward.
2595 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2597 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2598 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2599 Test against the appropriate null constant for the mode.
2600 If 'fixup_overlap' is true, swap the operands if they overlap.
2601 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2602 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2603 alpha_split_tmode_pair and adjust for above change.
2604 * config/alpha/alpha.md (movtf_internal): Adjust call to
2605 alpha_split_tfmode_pair and rely on it to swap the operands.
2606 (movti_internal): New insn and post-reload splitter.
2607 (movti): New expander.
2609 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2611 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2614 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2616 * rtlanal.c (global_reg_mentioned_p_1,
2617 global_reg_mentioned_p): Remove.
2618 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2620 * flow.c (initialize_uninitialized_subregs): Make it static.
2621 * rtl.h: Remove the prototype for
2622 initialize_uninitialized_subregs.
2624 * function.c (instantiate_virtual_regs): Make it static.
2625 * function.h: Remove the prototype for
2626 instantiate_virtual_regs.
2628 * regmove.c (regmove_optimize, combine_stack_adjustments):
2630 * rtl.h: Remove the prototypes for regmove_optimize and
2631 combine_stack_adjustments.
2633 2006-01-17 Roger Sayle <roger@eyesopen.com>
2635 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2636 (size_cost): Encode costs in bytes so that a reg-reg addition is
2637 equivalent to COSTS_N_INSNS(1).
2638 (override_options): Use the size_cost.branch_cost as the default
2639 ix86_branch_cost when optimizing for size.
2641 2006-01-18 Ben Elliston <bje@au.ibm.com>
2643 * Makefile.in (D32PBIT_FUNCS): New.
2644 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2645 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2646 D64PBIT_FUNCS and D128PBIT_FUNCS.
2647 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2648 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2650 (decnumber_dep): Define.
2651 * doc/libgcc.texi (Decimal float library routines): New node.
2652 * config/dfp-bit.h, config/dfp-bit.c: New files.
2654 2006-01-18 Ben Elliston <bje@au.ibm.com>
2656 * expr.c (emit_move_change_mode): Always adjust addresses, not
2657 just during reload. Copy replacements only during reload.
2658 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2659 emit_move_via_integer.
2661 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2663 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2664 instead of $(srcdir) and ${srcdir}.
2666 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2670 * arm.h (struct machine_function): Add pic_reg.
2671 * arm.c (arm_pic_register): Make unsigned.
2672 (arm_override_options): Only set arm_pic_register if
2673 TARGET_SINGLE_PIC_BASE.
2674 (use_return_insn): Only test for a pic register if it is fixed.
2675 (arm_compute_save_reg0_reg12_mask): Likewise.
2676 (thumb_compute_save_reg_mask): Likewise.
2677 (legitimate_pic_operand): Factor out some known invariants.
2678 (legitimize_pic_address): If we don't have a fixed pic register,
2679 then set up a pseudo in the function entry sequence. Handle the
2680 pic base being in a pseudo.
2681 (arm_load_pic_register): Handle the pic register being in a pseudo.
2682 (arm_expand_prologue): Only set up the pic register if it is fixed.
2683 (thumb_expand_prologue): Likewise.
2684 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2685 (pic_load_addr_based_insn): Likewise.
2686 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2689 2006-01-18 Ben Elliston <bje@au.ibm.com>
2691 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2692 decimal float modes for all floating point registers.
2694 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2695 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2697 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2700 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2701 even when the pointer is not NULL.
2703 2006-01-16 Ian Lance Taylor <ian@airs.com>
2705 * common.opt (ftoplevel-reorder): New option.
2706 * cgraph.c (cgraph_asm_nodes): New global variable.
2707 (cgraph_asm_last_node): New static variable.
2708 (cgraph_order): New global variable.
2709 (cgraph_create_node): Set new order field.
2710 (cgraph_varpool_node): Likewise.
2711 (decide_is_variable_needed): Return true if not
2712 flag_toplevel_reorder.
2713 (cgraph_add_asm_node): New function.
2714 * cgraph.h (struct cgraph_node): Add order field.
2715 (struct cgraph_varpool_node): Add order field.
2716 (struct cgraph_asm_node): Define.
2717 (cgraph_asm_nodes, cgraph_order): Declare.
2718 (cgraph_add_asm_node): Declare.
2719 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2721 (cgraph_varpool_assemble_pending_decls): Call it.
2722 (cgraph_output_pending_asms): New static function.
2723 (cgraph_finalize_compilation_unit): Call it.
2724 (struct cgraph_order_sort): Define.
2725 (cgraph_output_in_order): New static function.
2726 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2727 !flag_toplevel_reorder case.
2728 * c-parser.c: Include "cgraph.h".
2729 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2731 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2732 than -fno-unit-at-a-time.
2733 * doc/invoke.texi (Option Summary): Mention
2734 -fno-toplevel-reorder.
2735 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2736 -funit-at-a-time documentation.
2738 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2739 Kazu Hirata <kazu@codesourcery.com>
2741 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2743 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2745 * Makefile.in (FUNCTION_H): New. Use it instead of
2746 function.h throughout the file.
2747 * function.h: Include tree.h.
2749 2006-01-17 Ben Elliston <bje@au.ibm.com>
2751 * recog.c: Separate some functions with whitespace.
2753 2006-01-16 Richard Henderson <rth@redhat.com>
2755 Merge from gomp branch:
2756 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2757 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2758 and rename from struct inline_data. Rename callee* to dst*;
2759 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2760 transform_new_cfg, transform_return_to_modify, and
2761 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2763 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2764 (copy_decl_for_dup): Remove.
2765 * tree-inline.c (struct inline_data): Move to header.
2766 (insert_decl_map): Export.
2767 (remap_decl): Update for member name changes. Use copy_decl hook.
2768 Allow for replacement to be a non-decl. Remove dead code.
2769 (remap_type_1): Check for existing mapping.
2770 (remap_type): Export.
2771 (remap_decls): Update for member name changes.
2772 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2773 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2774 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2775 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2776 (tree_function_versioning, build_duplicate_type): Likewise.
2777 (copy_body_r): Likewise. Export.
2778 (copy_decl_for_dup): Split into ...
2779 (copy_decl_for_dup_finish, copy_decl_to_var,
2780 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2781 (replace_ref_tree, inlining_p): Remove.
2783 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2785 * ifcvt.c (if_convert): Make it static.
2786 * rtl.h: Remove the prototype for if_convert.
2788 * local-alloc.c (local_alloc): Make it static.
2789 * rtl.h: Remove the prototype for local_alloc.
2791 * loop.c (loop_optimize): Make it static.
2792 * cfgloop.h: Remove the prototype for loop_optimize.
2795 2006-01-16 DJ Delorie <dj@redhat.com>
2797 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2800 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2802 * pa.md: Disparage copies between general and floating-point registers
2803 in 32-bit move patterns.
2805 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2808 * Makefile.in (check-%): Depend on site.exp instead of
2809 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2812 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2814 * global.c (global_alloc): Make it static.
2815 * rtl.h: Remove the prototype for global_alloc.
2817 2006-01-16 Richard Guenther <rguenther@suse.de>
2819 * tree-ssa-alias.c (struct used_part): Add write_only field.
2820 (get_or_create_used_part_for): Initialize it to true.
2821 (create_overlap_variables_for): Don't create structure variables
2822 for structures that only are written to.
2823 (find_used_portions): Handle MODIFY_EXPR to track whether a
2824 structure is only written to.
2826 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2828 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2830 * basic-block.h: Remove the prototype for
2831 partition_hot_cold_basic_blocks.
2833 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2835 * cppspec.c (lang_specific_spec_functions): Remove.
2836 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2837 * gcc.h (lang_specific_spec_functions): Remove.
2838 * gccspec.c (lang_specific_spec_functions): Remove.
2840 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2842 * combine.c (record_value_for_reg): Invalidate registers
2844 (record_dead_and_set_regs_1): Likewise, by passing them to
2845 record_value_for_reg.
2846 (record_dead_and_set_regs): Invalidate stores made by a
2847 call. We do not combine across a call, but we still
2848 relied on equivalences.
2850 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2852 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2853 vrp_int_const_binop returning non-constant nodes.
2855 2006-01-16 Paul Brook <paul@codesourcery.com>
2857 * config/m68k/m68k.c (output_move_const_into_data_reg):
2858 Output correct mnemonic for mvz and mvs.
2860 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2862 * rtl-factoring.c: Add sequence abstraction algorithm.
2863 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2864 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2866 (block_has_preserve_label): New function.
2867 * common.opt: Register new pass.
2868 * Makefile.in: Ditto.
2870 * timevar.def: Ditto.
2871 * tree-pass.h: Ditto.
2872 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2873 * rtl.h (make_jump_insn_raw): Add forward decl.
2874 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2876 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2877 Roger Sayle <roger@eyesopen.com>
2879 * fold-const.c (fold_minmax): New static function.
2880 (fold_binary) <MIN_EXPR>: Call it.
2881 <MAX_EXPR>: Likewise.
2882 * stor-layout.c (place_field): Use DECL_SIZE consistently
2883 in the computation of the new record size.
2885 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2887 * cse.c (cse_condition_code_reg): Make it static.
2888 * rtl.h: Remove the prototype for cse_condition_code_reg.
2890 * combine.c (combine_instructions): Make it static.
2891 * rtl.h: Remove the prototype for combine_instructions.
2893 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2896 * tree.c (get_file_function_name_long): Concatenate the first global
2897 object name with a string derived from the input filename of the object
2900 2006-01-16 Ben Elliston <bje@au.ibm.com>
2902 * config/i386/winnt-stubs.c: Update FSF address.
2903 * config/xtensa/ieee754-df.S: Ditto.
2904 * config/xtensa/ieee754-sf.S: Ditto.
2906 2006-01-14 Ian Lance Taylor <ian@airs.com>
2908 * ifcvt.c (noce_init_if_info): New static function, broken out of
2909 noce_process_if_block.
2910 (noce_process_if_block): Call noce_init_if_info.
2911 (check_cond_move_block): New static function.
2912 (cond_move_process_if_block): New static function.
2913 (process_if_block): Call cond_move_process_if_block.
2915 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2917 * cselib.c (hash_table): Rename to cselib_hash_table.
2918 (cselib_clear_table, discard_useless_values,
2919 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2920 cselib_init, cselib_finish): Adjust uses of hash_table.
2922 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2924 PR tree-optimization/25485
2925 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2926 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2927 is known to be false and true, respectively.
2929 2006-01-14 Richard Guenther <rguenther@suse.de>
2931 PR tree-optimization/22548
2932 PR tree-optimization/22555
2933 PR tree-optimization/22501
2934 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2935 * params.def (salias-max-array-elements): New parameter.
2936 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2937 * doc/invoke.texi (salias-max-array-elements): Document.
2938 * tree-flow-inline.h (var_can_have_subvars): We also handle
2940 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2942 * tree-ssa-structalias.c (params.h): Include.
2943 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2944 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2945 (get_constraint_for): For ADDR_EXPR operating on something
2946 containing an ARRAY_REF, add all subvars to the solution.
2947 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2948 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2949 for creating MUST_DEFs.
2950 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2952 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2954 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2956 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2957 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2958 number_of_iterations_le): New functions.
2959 (number_of_iterations_special): Removed.
2960 (number_of_iterations_exit): Do not use number_of_iterations_special.
2961 * tree.c (unsigned_type_for): Always return integer type.
2963 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2964 Richard Guenther <rguenther@suse.de>
2966 PR rtl-optimization/24257
2967 * gcse.c (find_moveable_store): Only consider a store movable
2968 when the SET_SRC of the insn can be assigned to a register.
2970 2006-01-14 Ian Lance Taylor <ian@airs.com>
2972 * tree.c (tree_not_class_check_failed): New function.
2973 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2974 (tree_not_class_check_failed): Declare.
2976 2006-01-13 Ian Lance Taylor <ian@airs.com>
2978 * reload1.c (do_output_reload): Add assertion rejecting a
2981 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2983 * combine.c (struct reg_stat): Add new fields truncation_label and
2985 (record_value_for_reg): Reset truncated_to_mode.
2986 (record_truncated_value): New function.
2987 (check_promoted_subreg): Call it. Rename to check_conversions.
2988 (combine_instructions): Rename check_promoted_subreg to
2990 (reg_truncated_to_mode): New function.
2991 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2992 (gen_lowpart_or_truncate): New function.
2993 (force_to_mode): Use it instead of gen_lowpart.
2995 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2997 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2998 VAR is a tag, not its type tag.
3000 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3002 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3003 alternatives to match style of other entries.
3004 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3006 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3008 PR tree-optimization/25771
3009 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3012 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3015 * tree-inline.c (declare_return_variable): If the return variable
3016 was marked as a non gimple complex, set the return slot variable
3017 to be a non gimple comple variable.
3019 2006-01-13 Richard Guenther <rguenther@suse.de>
3021 * builtins.c (expand_builtin_sincos): New function.
3022 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3024 (expand_builtin): Expand sincos using expand_builtin_sincos.
3026 2006-01-12 DJ Delorie <dj@redhat.com>
3028 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3029 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3030 so that constant shifts can be split.
3031 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3032 (m32c_valid_pointer_mode): Make static.
3033 (shift_gen_func_for): New.
3034 (m32c_prepare_shift): Use it. Split large const shifts into
3036 * config/m32c/predicates.md (shiftcount_operand): Allow more
3038 (longshiftcount_operand): New.
3039 * doc/md.texi (Machine Constraints): Document In6.
3041 2006-01-13 Ben Elliston <bje@au.ibm.com>
3043 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3044 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3047 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3049 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3050 to try to avoid clobbering pieces of structures when we know
3051 something about the whole structure.
3052 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3054 2006-01-13 Ben Elliston <bje@au.ibm.com>
3056 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3057 return in memory, as this is no limitation is no longer present.
3059 2006-01-12 DJ Delorie <dj@redhat.com>
3061 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3062 mova with fb, and for fb+0 -> An.
3064 * config/m32c/mov.md (peephole2): Fix enabling logic.
3066 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3067 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3068 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3069 FINI_ARRAY_SECTION_ASM_OP): Define.
3071 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3073 (m32c_legitimize_reload_address): New logic to reload FB to An.
3074 (m32c_output_reg_push): Add newline.
3075 (m32c_output_reg_pop): Likewise.
3077 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3079 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3081 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3083 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3085 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3087 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3090 2006-01-11 Ben Elliston <bje@au.ibm.com>
3092 * rtlanal.c (find_reg_note): Assert insn is not null.
3094 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3096 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3099 2006-01-11 Jeff Law <law@redhat.com>
3101 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3103 (mark_threaded_blocks, register_jump_thread): New functions.
3104 (thread_through_all_blocks): Remove unwanted argument. No
3105 longer rely on e->aux to communicate thread target info.
3106 Call mark_threaded_blocks. Release the threaded_blocks
3107 bitmap and threaded_edges vector when complete.
3108 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3109 (threaded_blocks): Remove.
3110 (tree_ssa_dominator_optimize): Remove initialization and
3111 finalization of threaded_blocks. Simplify call to
3112 thread_through_all_blocks.
3113 (thread_across_edge): Call register_jump_thread rather than
3114 storing thread information into e->aux.
3115 (free_all_edge_infos): Simplify now that e->aux is no longer
3116 used to communicate with thread_through_all_blocks.
3117 * tree-flow.h (thread_through_all_blocks): Update prototype.
3118 (register_jump_thread): Prototype.
3120 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3122 * df-core.c (df_compact_blocks, df_bb_replace): Use
3123 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3125 2006-01-11 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/25734
3128 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3129 stop propagation after successful propagation to the LHS.
3131 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3133 * basic-block.h (control_flow_graph): Change the type of
3134 x_basic_block_info to VEC(basic_block,gc) *.
3135 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3137 (SET_BASIC_BLOCK): New.
3138 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3139 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3140 * cfgbuild.c (find_basic_blocks): Likewise.
3141 * cfglayout.c (fixup_reorder_chain): Likewise.
3142 * cfgrtl.c (create_basic_block_structure,
3143 rtl_create_basic_block): Likewise.
3144 * ifcvt.c (find_if_case_1): Likewise.
3145 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3148 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3150 * Makefile.in: Removed rotted odf.c entry.
3152 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3155 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3156 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3157 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3158 output pattern modifier, not %e.
3159 * config/cris/cris.c (cris_op_str): Update comment about pattern
3161 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3162 before falling through into...
3163 <case 'E'>: Redefined from old 'e' case.
3165 2006-01-11 Jan Hubicka <jh@suse.cz>
3168 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3170 2006-01-11 Jan Hubicka <jh@suse.cz>
3172 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3173 * i386.c (x86_decompose_lea): Kill.
3174 (ix86_rtx_costs): Kill.
3176 2006-01-11 Jan Hubicka <jh@suse.cz>
3178 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3179 * cgraph.h (cgraph_node): Add inline_decl.
3180 (cgraph_insert_node_to_hashtable): Declare.
3181 (save_inline_function_body): Declare.
3182 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3184 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3185 (cgraph_function_versioning): Update call of tree_function_versioning.
3186 (save_inline_function_body): New function.
3187 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3188 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3189 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3190 (cgraph_default_inline_p): Likewise.
3191 (cgraph_decide_inlining_incrementally): Likewise.
3192 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3193 (copy_bb): Kill saving; do updating of clones.
3194 (copy_cfg_body): Kill saving.
3195 (initialize_inlined-parameters): Likewise.
3196 (expand_call_inline): Likewise.
3198 (tree_function_versioning): New parameter "update_clones".
3199 (inlining_p): Kill saving.
3200 * tree-inline.h (tree_function_versioning): Update prototype.
3201 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3204 2006-01-11 Ian Lance Taylor <ian@airs.com>
3206 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3207 Allow undoing set of machine mode.
3208 (do_SUBST): Use enums instead of is_int.
3209 (do_SUBST_MODE): New function.
3210 (SUBST_MODE): New macro.
3211 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3212 reg and trying to replace reg_regno_rtx with a new register.
3213 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3214 (simplify_set): Use SUBST_MODE.
3215 (distribute_notes): Remove code that tried to update reg notes
3216 for regno_reg_rtx changes.
3218 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3220 PR tree-optimization/23109
3221 PR tree-optimization/23948
3222 PR tree-optimization/24123
3224 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3225 * tree-cfg.c (single_noncomplex_succ): New.
3226 * tree-flow.h (single_noncomplex_succ): Declare it.
3227 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3228 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3229 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3230 insert_bb, register_division_in, insert_reciprocals,
3231 replace_reciprocal, free_bb): New.
3232 (execute_cse_reciprocals_1): Rewritten.
3233 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3234 Do not commit any edge insertion. Always compute dominators and
3235 create the allocation pool.
3236 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3237 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3238 * targhooks.c (default_min_divistions_for_recip_mul): New.
3239 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3240 * passes.c (init_optimization_passes): Run recip after tree loop
3242 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3244 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3245 Kenneth Zadeck <zadeck@naturalbridge.com>
3247 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3248 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3249 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3250 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3251 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3252 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3253 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3254 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3255 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3256 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3257 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3258 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3259 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3260 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3261 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3262 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3263 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3264 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3265 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3266 DF_SCAN_POST_ALLOC): New macros.
3267 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3268 df_free_bb_function, df_local_compute_function, df_init_function,
3269 df_dataflow_function, df_confluence_function_0,
3270 df_confluence_function_n, df_transfer_function,
3271 df_finalizer_function, df_free_function, df_dump_problem_function,
3272 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3273 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3274 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3275 df_urec_bb_info, ) New types.
3276 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3278 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3279 df_analyze_simple_change_some_blocks,
3280 df_analyze_simple_change_one_block, df_compact_blocks,
3281 df_bb_replace, df_bb_regno_last_use_find,
3282 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3283 df_insn_regno_def_p, df_find_def, df_find_use,
3284 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3285 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3286 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3287 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3288 debug_df_chain, df_get_dependent_problem, df_chain_create,
3289 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3290 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3291 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3292 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3293 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3294 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3295 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3296 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3297 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3298 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3299 df_reorganize_refs, df_set_state, df_hard_reg_init,
3300 df_read_modify_subreg_p) New public functions.
3301 * df-core.c: The core dataflow solver and glue routines for rtl
3303 (df_init, df_add_problem, df_set_blocks, df_finish,
3304 df_hybrid_search_forward, df_hybrid_search_backward,
3305 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3306 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3307 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3308 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3309 df_reg_defined, df_find_use, df_reg_used, df_dump,
3310 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3311 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3312 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3313 debug_df_useno, reset_df_after_reload): New functions.
3314 * df-scan.c: The scanning fuctions, once in df.c, completely
3315 rewritten so that they now fully model the functionality of
3316 register usage at the backend.
3317 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3318 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3319 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3320 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3321 df_get_artificial_defs, df_get_artificial_uses,
3322 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3323 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3324 df_refs_delete, df_reorganize_refs, df_set_state,
3325 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3326 df_def_record_1, df_defs_record, df_uses_record,
3327 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3328 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3329 df_record_exit_block_uses, df_hard_reg_init): New functions.
3331 * df-problems.c: Seven concrete dataflow problems that use the
3332 scanning in df-scan.c and are solved by the engine in df-core.c.
3333 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3334 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3335 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3336 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3337 df_ru_free_bb_info, df_ru_alloc,
3338 df_ru_bb_local_compute_process_def,
3339 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3340 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3341 df_ru_transfer_function, df_ru_free, df_ru_dump,
3342 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3343 df_rd_free_bb_info, df_rd_alloc,
3344 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3345 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3346 df_rd_transfer_function, df_rd_free, df_rd_dump,
3347 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3348 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3349 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3350 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3351 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3352 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3353 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3354 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3355 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3356 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3357 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3358 df_urec_mark_reg_use_for_earlyclobber,
3359 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3360 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3361 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3362 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3363 df_chain_create_bb_process_use, df_chain_create_bb,
3364 df_chain_finalize, df_chain_free, df_chains_dump,
3365 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3366 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3367 df_reg_lifetime): New functions.
3368 * df.c: Deleted file.
3369 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3370 consistent with new df api.
3371 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3372 rest_of_handle_sms): Ditto.
3373 * web.c (unionfind_union, union_defs, entry_register, web_main):
3375 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3376 invariant_expr_equal_p, find_defs, check_dependencies,
3377 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3378 free_inv_motion_data, move_loop_invariants): Ditto.
3379 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3380 Update dependencies.
3381 (odf.c): Added defective entry that was deleted later in day.
3382 * sched-deps.c (sched_analyze_1): Ditto.
3384 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3386 * tree-ssa-operands.c (get_expr_operands): Record addressable
3387 variables directly. Do not call add_stmt_operands for CONST_DECLs
3389 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3390 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3392 2006-01-11 Ben Elliston <bje@au.ibm.com>
3394 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3395 function returns true in the positive case.
3397 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3400 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3401 for SI, DI, SF and DF modes. Add alternatives to copy between
3402 general and floating point registers to the 32-bit patterns.
3403 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3404 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3405 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3406 generating 64-bit code.
3407 * config/pa/pa.c (output_move_double): Handle copies between general
3408 and floating registers.
3410 2006-01-10 Stuart Hastings <stuart@apple.com>
3412 * config/i386/i386.md (set_got): Update.
3413 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3414 (builtin_setjmp_receiver): Mach-O support.
3415 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3416 (GOT_SYMBOL_NAME): Define.
3417 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3418 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3419 * config/i386/i386.c (override_options): Revise for Darwin.
3420 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3421 support. (darwin_x86_file_end): New. (output_set_got): Add label
3422 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3423 * config/i386/i386-protos.h (output_set_got): Likewise.
3424 * config/darwin.c (machopic_legitimize_pic_address): Update
3427 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3429 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3430 when MODE isn't BLKmode.
3432 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3434 PR rtl-optimization/25367
3435 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3437 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3440 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3441 for a negative bound.
3443 2006-01-10 Richard Guenther <rguenther@suse.de>
3445 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3446 Never override with anything constraint.
3448 2006-01-10 Jan Beulich <jbeulich@novell.com>
3450 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3451 256 bits when optimize_size.
3453 2006-01-10 Jan Beulich <jbeulich@novell.com>
3455 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3457 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3458 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3461 2006-01-10 Ben Elliston <bje@au.ibm.com>
3463 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3465 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3466 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3467 (USE_FP_FOR_ARG): Reject decimal float modes.
3468 (function_arg_advance): Likewise.
3469 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3470 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3471 point types in AltiVec vectors.
3472 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3473 (rs6000_libcall_value): Likewise.
3475 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3477 * config/xtensa/ieee754-df.S: New file.
3478 * config/xtensa/ieee754-sf.S: New file.
3479 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3480 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3481 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3483 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3485 * config/sh/predicates.md (binary_float_operator,
3486 binary_logical_operator, commutative_float_operator,
3487 equality_comparison_operator, greater_comparison_operator,
3488 less_comparison_operator, logical_operator,
3489 noncommutative_float_operator, shift_operator,
3490 symbol_ref_operand, unary_float_operator): Remove redundant
3493 2006-01-09 Jeff Law <law@redhat.com>
3495 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3496 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3497 now unused arguments. Callers updated.
3498 (eliminate_redundant_computations): Remove now unused arguments,
3500 (local_fold): Remove, no longer used.
3501 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3503 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3504 (simplify_cond): New function.
3505 (forward_propagate_into_cond): Call simplify_cond.
3507 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3509 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3510 (*vec_extractv2di_1_sse): New.
3512 2006-01-09 Ben Elliston <bje@au.ibm.com>
3514 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3516 2006-01-08 Richard Guenther <rguenther@suse.de>
3518 * tree-ssa-structalias.c (get_constraint_for): Remove
3520 (get_constraint_for_component_ref): Likewise.
3521 (do_deref): Likewise.
3522 (get_constraint_for): Likewise.
3523 (do_structure_copy): Likewise.
3524 (handle_ptr_arith): Likewise.
3525 (find_func_aliases): Likewise. Remove unused need_anyoffset
3528 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3529 Kaz Kojima <kkojima@gcc.gnu.org>
3531 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3532 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3533 (EXTRA_CONSTRAINT_C16): Remove.
3534 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3535 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3536 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3537 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3538 constants of SHmedia. Handle nested constant expressions of
3540 (andcosts): Fix the costs for SHmedia constants.
3541 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3542 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3543 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3544 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3545 (movv4hi_i, movv2si_i): Likewise.
3546 (movsi_const): Adjust the second operand of ior so to match with
3548 (movdi_const, movdi_const_32bit): Likewise.
3549 (movdi_const_16bit+1): Don't sign-extend LOW.
3550 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3552 (*double_shori): Fix the split condition. Use GEN_INT instead
3553 of get_int_mode calls. Mask lower 16-bit of the argument of
3555 (sym2GOTPLT): Remove.
3556 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3558 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3559 instead of EXTRA_CONSTRAINT_C16.
3561 2006-01-07 Ian Lance Taylor <ian@airs.com>
3562 David Edelsohn <edelsohn@gnu.org>
3564 PR rtl-optimization/25662
3565 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3566 for constant operands instead of simplify_gen_binary.
3567 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3568 after trying simplify_binary_operation
3570 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3572 * tree.c (iterative_hash_expr): Hash decls based on UID.
3574 2006-01-06 Eric Christopher <echristo@apple.com>
3576 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3577 (TARGET_UNWIND_EMIT): Fix spelling.
3578 * target.h (gcc_target): Add except_table_label.
3579 * except.c (output_function_exception_table): Use.
3580 * varasm.c (default_emit_except_table_label): New.
3581 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3583 (asm_out): Add here.
3584 * output.h (default_emit_except_table_label): Prototype.
3585 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3586 * config/darwin.c (darwin_emit_except_table_label): Define.
3587 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3589 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3591 PR tree-optimization/18527
3592 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3593 number_of_iterations_special, number_of_iterations_exit):
3594 Move base and step of an iv to a single structure. Add
3595 no_overflow flag, and use it in # of iterations analysis.
3596 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3597 folded_casts argument.
3598 (simple_iv): Pass base and step in a structure. Set no_overflow
3600 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3601 Evaluate expensiveness of computing # of iterations instead of
3602 the final expression.
3603 * tree-scalar-evolution.h (affine_iv): New structure.
3604 (simple_iv): Declaration changed.
3605 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3606 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3607 find_givs_in_stmt): Changed due to simple_iv change.
3609 2006-01-06 Jeff Law <law@redhat.com>
3612 * tree-cfg.c (bsi_replace): Rename final argument from
3613 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3614 change (stmt -> orig_stmt).
3615 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3616 (bsi_remove): Add new argument. Remove EH information
3618 (verify_eh_throw_table_statements): New function.
3619 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3621 * tree-optimize.c (execute_free_cfg_annotations): Verify
3622 the EH throw statement table after removing annotations.
3623 * except.h (verify_eh_throw_table_statements): Prototype.
3624 * tree-flow.h (bsi_remove): Update prototype.
3625 * tree-vrp.c (remove_range_assertions): Add new argument to
3627 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3628 * tree-complex.c (expand_complex_div_wide): Likewise.
3629 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3630 * tree-tailcall.c (eliminate_tailcall): Likewise.
3631 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3632 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3633 * tree-nrv.c (tree_nrv): Likewise.
3634 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3635 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3636 (combine_blocks): Likewise.
3637 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3638 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3639 (cleanup_control_flow): Likewise.
3640 (remove_forwarder_block): Likewise.
3641 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3642 * tree-sra.c (sra_replace): Likewise.
3643 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3644 (forward_propagate_single_use_vars): Likewise.
3645 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3646 * tree-inline.c (expand_call_inline): Likewise.
3647 * tree-vect-transform.c (vect_transform_loop): Likewise.
3648 * tree-outof-ssa.c (rewrite_trees): Likewise.
3649 * tree-cfg.c (make_goto_expr_edges): Likewise.
3650 (cleanup_dead_labels): Likewise.
3651 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3652 (bsi_move_before, bsi_move_after): Likewise.
3653 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3654 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3656 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3659 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3661 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3662 on non gimple variables. Also add checks at the top for decls and
3664 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3666 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3667 and IMAGPART_EXPR for creating MUST_DEFs.
3668 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3669 and NAME_MEMORY_TAG separately from the DECLs.
3671 2006-01-06 Richard Guenther <rguenther@suse.de>
3673 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3674 annotation, if necessary.
3675 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3676 redundant calls to update_stmt.
3677 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3680 2006-01-05 Richard Henderson <rth@redhat.com>
3682 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3684 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3686 * c-typeck.c: Update copyright date.
3688 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3690 * c-typeck.c (build_c_cast): Always warn when casting
3691 from a pointer to an integer of different size, even if
3692 the node was constant.
3694 2006-01-05 Richard Guenther <rguenther@suse.de>
3696 PR tree-optimization/22555
3697 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3698 if one structure field is an array.
3699 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3700 operands even if we found a subvar, but ignore VOPs in this
3702 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3704 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3706 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3709 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3711 2006-01-05 Richard Guenther <rguenther@suse.de>
3712 Diego Novillo <dnovillo@redhat.com>
3714 * tree-pass.h (TODO_remove_unused_locals): Define.
3715 * gimple-low.c (expand_var_p, remove_useless_vars,
3716 pass_remove_useless_vars): Remove. Update all users.
3717 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3718 (remove_unused_locals): New function.
3719 * tree-flow.h (remove_unused_locals): Declare.
3720 * passes.c (execute_todo): Call remove_unused_locals if
3721 TODO_remove_unused_locals is set.
3722 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3723 * tree-ssa-dce.c (pass_dce): Likewise.
3724 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3726 2006-01-05 Richard Guenther <rguenther@suse.de>
3728 * tree-flow.h (struct fieldoff): Decompose field to
3729 type, size and decl.
3730 * tree-ssa-alias.c (create_sft): Take type as parameter.
3731 (create_overlap_variables_for): Store type, size and decl
3732 in the fieldoff structure.
3733 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3735 (push_fields_onto_fieldstack): Likewise.
3736 (create_variable_info_for): Likewise. Use offset for the
3737 SFT name if the decl is not available.
3739 2006-01-04 Paul Brook <paul@codesourcery.com>
3741 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3743 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3745 * lambda-code.c (can_put_in_inner_loop): Relax
3747 (can_put_after_inner_loop): New function.
3748 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3749 (perfect_nestify): Change to make copies and modify uses.
3751 2006-01-04 Richard Henderson <rth@redhat.com>
3753 Merge from gomp branch:
3754 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3755 via integer constant.
3756 (pragma_lex): Remove.
3757 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3758 rather than parsing it.
3759 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3760 handle_pragma_extern_prefix): Add %< %> quotes.
3761 (registered_pragmas): New.
3762 (c_register_pragma_1): New.
3763 (c_register_pragma): Use it.
3764 (c_register_pragma_with_expansion): Likewise.
3765 (c_invoke_pragma_handler): New.
3766 (init_pragma): Use cpp_register_deferred_pragma directly for
3768 * c-pragma.h (enum pragma_kind): New.
3769 (pragma_handler): New.
3770 (c_invoke_pragma_handler): Declare.
3771 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3773 * c-common.h (c_common_pch_pragma): Update decl.
3774 * Makefile.in (c-parser.o): Update dependencies.
3775 (GTFILES): Add c-pragma.h.
3776 * c-parser.c (struct c_token): Add pragma_kind.
3777 (struct c_parser): Add in_pragma.
3778 (c_lex_one_token): Always initialize keyword and pragma_kind.
3779 Extract data for CPP_PRAGMA.
3780 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3781 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3782 Don't allow CPP_PRAGMA_EOL if in_pragma.
3783 (c_parser_consume_pragma): New.
3784 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3785 (c_parser_skip_to_end_of_parameter): Likewise.
3786 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3787 (c_parser_skip_to_pragma_eol): New.
3788 (c_parser_external_declaration): Handle CPP_PRAGMA.
3789 (c_parser_compound_statement_nostart): Likewise.
3790 (c_parser_statement_after_labels): Likewise.
3791 (c_parser_pragma): New.
3792 (pragma_lex): Likewise.
3793 (c_parser_pragma_pch_preprocess): New.
3794 (c_parser_new): Merge into ...
3795 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3797 2006-01-04 Jeff Law <law@redhat.com>
3800 * tree-cfg.c (bsi_replace): Remove the original statement
3801 from the EH throw statement table.
3803 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3805 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3806 make the prototype extern "C" and add throw ().
3809 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3810 and pos non-negative and pos + len <= 32.
3811 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3812 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3813 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3816 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3817 as well as sizes not multiple of component size.
3820 * function.c (instantiate_expr): New function.
3821 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3822 walk its DECL_VALUE_EXPR with instantiate_expr.
3824 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3825 DW_OP_deref{,_size} if address isn't going to be added.
3827 2006-01-04 Ben Elliston <bje@au.ibm.com>
3829 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3830 * config/fp-bit.c: Likewise.
3832 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3834 * dominance.c: Add comment about why we use DFS numbering
3837 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3838 Richard Henderson <rth@redhat.com>
3840 Merge from gomp-branch:
3841 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3842 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3844 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3846 PR rtl-optimization/25578
3847 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3848 pass a parameter to simplify_shift_const if changing ASHIFTRT
3851 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3853 * builtins.c (get_builtin_sync_mem): New function.
3854 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3855 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3856 Call get_builtin_sync_mem to generate mem rtx.
3858 2006-01-03 Richard Guenther <rguenther@suse.de>
3861 * stmt.c (add_case_node): Make sure to clear overflow flags
3864 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3866 Merge from gomp-branch.
3867 * config/sparc/sync.md: New file.
3868 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3869 UNSPECV_LDSTUB): New constants.
3870 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3871 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3872 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3875 2006-01-03 Roger Sayle <roger@eyesopen.com>
3877 * combine.c (reg_subword_p): New predicate to test whether the
3878 destination of a set refers to a subword/piece of a register.
3879 (try_combine): Generalize the code to merge the setting of a
3880 pseudo to a constant followed by a set of a subword of that
3881 register to a constant.
3883 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3885 * basic-block.h (control_flow_graph): Change the type of
3886 x_label_to_block_map to VEC(basic_block,gc) *.
3887 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3888 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3890 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3891 VEC(basic_block,heap) *.
3892 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3893 ssa_prop_fini): Adjust the uses of cfg_blocks.
3895 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3897 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3899 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3900 hashing trees instead of a pointer hash.
3901 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3902 compare for MEM_EXPR.
3904 PR rtl-optimization/25130
3905 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3906 when comparing MEMs for GCSE
3908 2006-01-03 Ben Elliston <bje@au.ibm.com>
3910 * targhooks.h (default_decimal_float_supported_p): Declare.
3911 * targhooks.c (default_decimal_float_supported_p): Define.
3912 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3913 `default_decimal_float_supported_p'.
3914 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3916 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3918 * combine.c (apply_distributive_law <SUBREG>): Check
3919 TRULY_NOOP_TRUNCATION.
3921 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3923 * dwarf2out.c (have_switched_text_section): Delete.
3924 (have_multiple_function_sections): New.
3925 (have_location_lists): Make 'bool'.
3926 (add_AT_loc_list): Use 'true' not '1'.
3927 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3928 (output_loc_list): Use have_multiple_function_sections.
3929 (output_ranges): Likewise.
3930 (dwarf2out_begin_function): Set have_multiple_function_sections if
3932 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3933 Check function_section rather than DECL_SECTION_NAME.
3934 (dwarf2out_finish): Use have_multiple_function_sections.
3935 Don't clear have_location_lists.
3937 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3938 Jan Hubicka <jh@suse.cz>
3940 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3941 case of conditional jump jumping to the next instruction.
3942 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3943 cases of conditional jump jumping to the next instruction.
3945 2006-01-02 Jan Hubicka <jh@suse.cz>
3947 * i386.c (*_cost): Add COSTS_N_INSNS.
3948 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3950 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3953 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3955 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3957 * config/arm/arm.c (all_fpus): Fix comment typo.
3958 * config/darwin.c: Likewise.
3959 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3960 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3961 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3963 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3965 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3966 (rs6000_split_compare_and_swapqhi): New.
3967 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3968 (sync_compare_and_swapqhi_internal): New.
3969 * config/rs6000/rs6000-protos.h: Declare.
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