1 2006-02-06 Ben Elliston <bje@au.ibm.com>
3 * read-rtl.c (read_name): Terminate reading on EOF.
5 2006-02-06 Ben Elliston <bje@au.ibm.com>
7 * dfp.c (decimal_real_arithmetic): Change second argument type
8 from int to enum tree_code. Do not always return true, but now
9 return result of any call to decimal_do helper functions.
10 * dfp.h (decimal_real_arithmetic): Update prototype.
12 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19 * tree-cfg.c (cleanup_dead_labels): Also don't remove
22 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
24 * tree-vrp.c (cfg_loops): Removed.
25 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
26 Use current_loops instead of cfg_loops. Pass flags to
28 * cfgloopmanip.c (fix_loop_structure): Update only available
30 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
32 * modulo-sched.c (build_loops_structure): Removed.
33 (sms_schedule): Use loop_optimizer_init.
34 * loop-init.c (loop_optimizer_init): Use flags to determine
35 which properties of loops to prepare.
36 (rtl_loop_init): Pass flags to loop_optimizer_init.
37 * tree-ssa-sink.c (execute_sink_code): Ditto.
38 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
39 * tree-ssa-pre.c (init_pre): Ditto.
40 * cfgloop.h (LOOPS_NORMAL): New.
41 (loop_optimizer_init): Declaration changed.
43 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
45 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
46 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
48 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
50 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
52 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
53 * pa/t-pa64: Delete quadlib.c rule.
54 * pa/x-ada: Revert last change.
55 * pa/t-pa: Revert last change. Delete quadlib.c rule.
57 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
59 PR rtl-optimization/26087
60 * rtlanal.c (canonicalize_condition): Do not cross basic block
63 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
66 * config/ia64/ia64.c: Include debug.h.
67 (MAX_ARTIFICIAL_LABEL_BYTES): New.
68 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
69 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
70 (process_epilogue, process_set, process_for_unwind_directive):
71 Output unwind info only if requested. Add CFA info if requested.
72 Add new arguments as needed. Adjust callers.
73 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
75 (DWARF2_FRAME_INFO): Define to zero.
76 * config/ia64/unwind-ia64.c: Remove code that compensated for
77 the CFA offset error fixed above.
78 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
79 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
80 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
81 -funwind-tables and -fexceptions to enable frame info.
82 (dwarf2out_frame_init): Define initial CFA even if
83 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
84 DWARF2_UNWIND_INFO is nonzero, not just defined.
85 (dwarf2out_frame_finish): Output non-EH call frame info only
86 if DWARF2_FRAME_INFO is nonzero.
87 (convert_cfa_to_loc_list,
88 compute_frame_pointer_to_cfa_displacement): Define even if
89 unwind info is not supported.
90 (gen_subprogram_die): Use the above unconditionally. Remove
91 legacy alternate code.
92 * toplev.c (compile_file): Compile in call to
93 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
94 (lang_dependent_init): Ditto for dwarf2out_frame_init.
96 2006-02-04 David Edelsohn <edelsohn@gnu.org>
97 Jakub Jelinek <jakub@redhat.com>
99 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
100 IBM extended float format long double as "g" on powerpc*-linux.
102 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
105 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
106 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
108 2006-02-03 Jason Merrill <jason@redhat.com>
111 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
114 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
115 on the return slot if it's an NRV.
117 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
119 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
120 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
121 rewrite_use): Do not handle USE_OUTER.
122 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
123 add_iv_outer_candidates, may_replace_final_value,
124 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
125 (find_interesting_uses_op): Functionality of
126 find_interesting_uses_outer_or_nonlin moved here.
127 (find_interesting_uses_outside): Use find_interesting_uses_op.
129 2006-02-03 Alan Modra <amodra@bigpond.net.au>
132 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
134 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
135 Ulrich Weigand <uweigand@de.ibm.com>
138 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
139 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
140 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
141 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
143 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
144 (s390_rtx_costs): Use the new fields to calculate rtx costs.
145 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
146 Define secondary reloads for TFmode moves.
147 (constant_modes): Add TFmode.
148 (NR_C_MODES): Set to 8.
149 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
151 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
152 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
153 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
154 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
155 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
156 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
157 (FPR mode macro): Add TFmode.
158 (DSF mode macro): New.
159 (<de>, <dee> mode attributes): Removed.
160 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
161 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
162 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
163 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
164 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
165 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
166 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
167 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
168 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
169 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
170 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
171 "*negabs<mode>2", "sqrt<mode>2"):
172 Changed <de> to <xde>. R constraint replaced by <Rf>.
173 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
175 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
176 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
177 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
179 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
180 "extenddftf2", "extendsftf2"): New expanders.
181 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
182 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
183 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
184 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
186 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
187 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
188 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
189 __floatditf): Add a GCC_4.1.0 symbol version tag.
190 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
193 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
196 * config/i386/i386.c (ix86_function_ok_for_sibcall):
197 Use targetm.binds_local_p instead of TREE_PUBLIC.
199 2006-02-02 Roger Sayle <roger@eyesopen.com>
201 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
202 on INTEGER_TYPEs to indicate that it denotes a character type.
203 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
204 signed_char_type_node, unsigned_char_type_node and char_type_node.
205 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
206 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
207 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
209 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
210 Daniel Berlin <dberlin@dberlin.org>
212 * tree-tailcall.c (arg_needs_copy_p): New function.
213 (eliminate_tail_call): Use arg_needs_copy_p.
214 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
215 (add_virtual_phis): New function.
217 2006-02-02 Jakub Jelinek <jakub@redhat.com>
219 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
220 #ignore instead of #scratch for %g7 .register directive.
222 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
224 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
227 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
229 * flow.c (calculate_global_regs_live): Assert that there aren't any
232 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
234 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
236 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
237 bsi_after_labels iterator.
238 * tree-if-conv.c (find_phi_replacement_condition,
239 replace_phi_with_cond_modify_expr): Likewise.
240 * tree-scalar-evolution.c (scev_const_prop): Likewise.
241 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
243 2006-02-02 Diego Novillo <dnovillo@redhat.com>
245 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
247 2006-02-02 Diego Novillo <dnovillo@redhat.com>
250 * tree-cfg.c (move_block_to_fn): Clear out the basic block
251 array after growing it.
253 2006-02-01 Steve Ellcey <sje@cup.hp.com>
256 * fold-const.c (fold_checksum_tree): Change type of buf.
258 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
260 * reload.c (push_secondary_reload): Initialize t_icode.
262 2006-02-01 Jakub Jelinek <jakub@redhat.com>
264 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
265 -msoft-float -mlong-double-128 only issue a warning, but don't
266 swich to DFmode long double.
268 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
270 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
271 has a constant equivalent, iterate over equivalents for arg0,
272 calling simplify_relational_operation and if there's a result
273 cheaper than X, apply fold_rtx and return the result.
275 2006-02-01 Jan Hubicka <jh@suse.cz>
277 * opts.c (no_unit_at_a_time_default): New global variable.
278 (decode_options): Use it.
279 * opts.h (no_unit_at_a_time_default): Declare.
281 2006-02-01 Paul Brook <paul@codesourcery.com>
283 * function.c (assign_parm_setup_reg): Use function argument promotion
285 * expr.c (expand_expr_real_1): Use function argument promotion rules
288 2006-02-01 Steve Ellcey <sje@cup.hp.com>
290 * gcc.c (process_command): Change j to 'unsigned int'.
292 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
295 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
296 Use the corrected index for the character
297 out of the string constant.
299 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
301 * mode-switching.c (optimize_mode_switching): Fix size
302 allocated for bb_info[n_entities].
304 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
306 * gcc.c (main): Correct type that is allocated for
309 2006-01-31 Jakub Jelinek <jakub@redhat.com>
311 * config/s390/s390.c (init_alignment_context): Set
312 ALIAS_SET_MEMORY_BARRIER on the MEM.
313 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
315 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
318 * loop-unroll.c (unroll_loop_runtime_iterations): Free
320 * tree-ssa-live.c (type_var_init): Allocate bitmap after
323 2006-01-31 Marcin Dalecki <martin@dalecki.de>
325 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
326 * regrename.c: Ditto.
327 * tree-ssa-loop-im.c: Ditto.
328 * tree-dump.c: Ditto.
329 * tree-complex.c: Ditto.
331 * tree-ssa-threadupdate.c: Ditto.
333 * java/class.c: Ditto.
334 * java/jcf-parse.c: Ditto.
335 * java/resource.c: Ditto.
336 * java/except.c: Ditto.
337 * java/jvspec.c: Ditto.
338 * java/jcf-write.c: Ditto.
339 * java/jcf-path.c: Ditto.
340 * java/gjavah.c: Ditto.
341 * java/zextract.c: Ditto.
342 * java/jcf-io.c: Ditto.
344 * java/buffer.c: Ditto.
345 * java/lang.c: Ditto.
346 * java/parse-scan.y: Ditto.
349 * cfgloopmanip.c: Ditto.
350 * postreload-gcse.c: Ditto.
351 * tree-ssa-loop-manip.c: Ditto.
352 * postreload.c: Ditto.
353 * tree-ssa-loop-ch.c: Ditto.
357 * diagnostic.c: Ditto.
359 * genoutput.c: Ditto.
362 * cfgloopanal.c: Ditto.
363 * objc/objc-act.c: Ditto.
365 * genextract.c: Ditto.
366 * genautomata.c: Ditto.
367 * pretty-print.c: Ditto.
369 * cgraphunit.c: Ditto.
372 * haifa-sched.c: Ditto.
373 * dominance.c: Ditto.
375 * tree-ssa-loop-ivopts.c: Ditto.
377 * mode-switching.c: Ditto.
378 * modulo-sched.c: Ditto.
380 * ipa-pure-const.c: Ditto.
382 * fix-header.c: Ditto.
384 * tree-stdarg.c: Ditto.
385 * ipa-utils.c: Ditto.
386 * loop-init.c: Ditto.
387 * ipa-inline.c: Ditto.
390 * alloc-pool.c: Ditto.
391 * dwarf2out.c: Ditto.
393 * genattrtab.c: Ditto.
394 * tree-ssa-loop-ivcanon.c: Ditto.
398 * fortran/gfortranspec.c: Ditto.
400 * local-alloc.c: Ditto.
401 * langhooks.c: Ditto.
403 * tree-vectorizer.c: Ditto.
405 * ipa-type-escape.c: Ditto.
407 * tree-if-conv.c: Ditto.
410 * tree-data-ref.c: Ditto.
411 * loop-unroll.c: Ditto.
412 * treelang/treetree.c: Ditto.
415 * ggc-common.c: Ditto.
419 * tree-cfgcleanup.c: Ditto.
420 * tree-ssa-pre.c: Ditto.
421 * cfgcleanup.c: Ditto.
422 * loop-invariant.c: Ditto.
425 * print-tree.c: Ditto.
428 * sched-deps.c: Ditto.
430 * tree-object-size.c: Ditto.
432 * bb-reorder.c: Ditto.
434 * var-tracking.c: Ditto.
436 * df-problems.c: Ditto.
437 * reg-stack.c: Ditto.
440 * sched-rgn.c: Ditto.
441 * tree-ssa-structalias.c: Ditto.
442 * tree-ssa-reassoc.c: Ditto.
443 * config/darwin-c.c: Ditto.
444 * config/darwin.c: Ditto.
445 * config/arm/arm.c: Ditto.
450 2006-01-31 Nicolas Pitre <nico@cam.org>
452 * arm.md (smaxsi3): Make aware of smax_m1.
455 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
457 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
459 2006-01-31 Richard Guenther <rguenther@suse.de>
461 * doc/invoke.texi (-msselibm): Document.
462 * target.h (expand_library_builtin): New target hook.
463 * builtins.c (expand_builtin): Use expand_library_builtin.
464 (default_expand_library_builtin): New function.
465 * gcc.c (LINK_GCC_MATH_SPEC): Define.
466 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
467 (link_gcc_math_spec): Declare.
468 (static_specs): Add link_gcc_math_spec.
469 * expr.h (default_expand_library_builtin): Declare.
470 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
471 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
472 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
473 * config/i386/i386.opt (msselibm): New target option.
474 * config/i386/i386.c (ix86_builtin_function_variants): New array.
475 (ix86_init_sse_abi_builtins): New function.
476 (ix86_expand_library_builtin): Likewise.
477 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
478 (override_options): Handle error conditions wrt -msselibm.
479 (ix86_builtins): Add function codes for SSE2 ABI builtins.
480 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
481 * doc/extend.texi (__builtin_sse2_*): Document new target specific
484 2006-01-31 Richard Guenther <rguenther@suse.de>
485 Paolo Bonzini <bonzini@gnu.org>
487 * doc/install.texi (--disable-libgcc-math): Document.
489 2006-01-30 Marcin Dalecki <martin@dalecki.de>
491 * expr.h (expand_normal): new inline function.
492 * builtins.c: use it, use EXPAND_NORMAL explicitely.
494 * dwarf2out.c: use it.
499 * config/sparc/sparc.c: use it.
500 * config/i386/i386.c: use it.
501 * config/rs6000/rs6000.c: use it.
502 * config/arm/arm.c: use it.
503 * config/mips/mips.c: use it.
504 * stmt.c: use it, use EXPAND_NORMAL explicitely.
506 2006-01-30 Roger Sayle <roger@eyesopen.com>
508 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
509 argv to the appropriate type.
511 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
513 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
516 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
519 * config/s390/s390.c (struct machine_function): New flag
520 decomposed_literal_pool_addresses_ok_p.
521 (s390_reorg): Set it before final stage of literal pool transforms.
522 (s390_decompose_address): Only accept displacements of the form
523 (minus (label_ref ...) (label_ref ...)) if that flag is set.
525 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
527 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
528 the comparison routine return.
530 2006-01-30 Michael Matz <matz@suse.de>
532 * global.c (find_reg): Only evict for global regs.
533 Take n_refs into account and dump more info.
535 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
538 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
539 (pragma_trap, pragma_nosave_low_regs): Likewise.
540 (current_function_anonymous_args): Likewise.
541 (sh_deferred_function_attributes): New variable.
542 (sh_deferred_function_attributes_tail): Likewise.
543 (print_operand): For '@', look up trap_exit attribute.
544 (calc_live_regs): Look up trapa_handler attribute. For trapa
545 handlers, save/restore fpscr, but don't do any other
546 interrupt-specific saves.
547 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
548 Fix check for partially saved registers to check for SHmedia.
549 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
550 (sh_output_function_epilogue): Don't clear any of the removed
552 (sh_insert_attributes): Don't check pragma_interrupt.
553 Insert deferred attributes. Check that interrupt attribute is
554 present for other attributes that require its presence.
555 (sh_attribute_table): Add new attributes trapa_handler and
557 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
558 Don't check for pragma_interrupt. Don't store argument.
559 * sh.h (pragma_interrupt, sp_switch): Don't declare.
560 (sh_deferred_function_attributes): Declare.
561 (sh_deferred_function_attributes_tail): Likewise.
562 * sh.md (sp_switch_1): Add operand. Change generator caller.
563 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
564 (*return_i): Don't use when trap_exit attribute is in effect.
565 (*return_trapa): New insn pattern.
567 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
568 setting c_target_objs and cxx_target_objs.
569 * t-sh: Add rule for sh-c.o.
571 2006-01-30 Richard Guenther <rguenther@suse.de>
574 * gimplify.c (gimplify_target_expr): Handle easy cases
575 without creating a temporary.
577 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
579 * vec.h (safe_grow): Remove duplicated line.
581 2006-01-29 Diego Novillo <dnovillo@redhat.com>
584 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
585 (expand_omp): ... here.
586 (expand_omp_parallel): Only remove barriers for combined
587 parallel+workshare constructs.
589 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
593 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
594 * tree.c (build_qualified_type): Chain the new type to the original
595 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
596 a POINTER_TYPE or a REFERENCE_TYPE respectively.
597 (build_pointer_type_for_mode): Only return unqualified types.
598 (build_reference_type_for_mode): Likewise.
600 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
602 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
603 * Makefile.in (CXX_COMPAT_WARN): Define.
604 * configure: Regenerate.
606 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
609 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
612 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
614 * toplev.c: Fix thinko.
616 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
617 Marcin Dalecki <martin@dalecki.de>
619 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
620 (push_srcloc): Use XNEW.
621 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
623 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
625 * df-core.c (df_set_blocks): Deleted all variable.
627 2006-01-28 Ian Lance Taylor <ian@airs.com>
629 * cgraphunit.c (cgraph_assemble_pending_functions): Call
630 cgraph_output_pending_asms.
632 2006-01-28 Zack Weinberg <zackw@panix.com>
634 * c.opt: Add -W(no-)overlength-strings.
635 * doc/invoke.texi: Document it.
636 * c-opts.c (c_common_handle_option): -pedantic implies
637 -Woverlength-strings, if not explicitly disabled already.
638 (c_common_post_options): -Woverlength-strings defaults to off, and
639 is always off for C++.
640 * c-common.c (fix_string_type): Issue warning about strings longer
641 than is portable only if warn_overlength_strings. Rearrange code
642 a little for clarity.
643 * configure.in: Check for -Wno-overlength-strings as well before
644 enabling -pedantic in stage 1.
645 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
646 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
648 * genconditions.c (write_header, write_one_condition)
649 (write_conditions, write_writer): Consolidate very long strings
650 that were broken up to fit in C89 portable limit. Don't use
651 printf when fputs will do.
653 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
655 * combine.c (simplify_comparison <AND>): Check
656 TRULY_NOOP_TRUNCATION before start using a subreg.
658 * config/mips/mips.md (*branch_zero<mode>,
659 *branch_zero<mode>_inverted, *branch_equality<mode>,
660 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
661 Remove mode check from comparisons.
663 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
665 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
667 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
669 * expmed.c (const_mult_add_overflow_p): Remove.
670 * expr.h: Remove the prototype for const_mult_add_overflow_p.
672 * recog.c (validate_replace_rtx_subexp): Remove.
673 * recog.h: Remove the prototype for
674 validate_replace_rtx_subexp.
676 * integrate.h: Remove the prototype for
677 copy_decl_for_inlining.
678 * rtl.h: Remove the prototype for mark_constant_function.
679 * tree-vectorizer.h: Remove the prototype for
680 vect_strip_conversion.
682 * modulo-sched.c (create_partial_schedule,
683 free_partial_schedule, reset_partial_schedule): Make them
686 * hooks.c (hook_bool_rtx_int_false): Remove.
687 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
689 2006-01-28 David Edelsohn <edelsohn@gnu.org>
691 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
692 and -mlong-double-128 are incompatible.
693 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
694 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
695 (TARGET_LIBGCC2_CFLAGS): Define.
696 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
697 (TARGET_LIBGCC2_CFLAGS): Same.
698 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
700 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
703 * c-typeck.c (build_binary_op): Perform implicit casts of
704 operands before shortening them.
706 * cfgloopmanip.c (split_loop_bb): Remove.
707 * cfgloop.h: Remove the prototype for split_loop_bb.
709 * cfgloop.c (flow_loop_outside_edge_p): Remove.
710 * cfgloop.h: Remove the prototype for
711 flow_loop_outside_edge_p.
713 * emit-rtl.c (init_virtual_regs): Make it static.
714 * function.h: Remove the prototype for init_virtual_regs.
716 * recog.c (peephole2_optimize): Make it static.
717 * recog.h: Remove the prototype for peephole2_optimize.
719 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
721 * df-scan.c (df_record_entry_block_defs): Check if
722 INCOMING_RETURN_ADDR_RTX is defined.
724 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
725 Kenneth Zadeck <zadeck@naturalbridge.com>
727 PR rtl-optimization/24762
728 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
729 * targhooks.c (hook_void_bitmap): New hook prototype.
730 * targhoohs.h (hook_void_bitmap): Ditto.
731 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
732 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
733 * target.h (live_on_entry): New function pointer.
734 * df-scan.c (df_all_hard_regs): Removed.
735 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
736 (df_scan_free_internal): Added df->entry_block_defs.
737 (df_scan_alloc): Ditto.
738 (df_scan_dump): Ditto.
739 (df_uses_record): Plumbed flag field properly thru calls.
740 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
741 This part fixes PR24762.
742 (df_bb_refs_record): Added code to make the frame and arg
743 pointers live in EH blocks.
744 (df_refs_record): Added call to df_record_entry_block_defs.
745 (df_record_entry_block_defs): New function.
746 * df-core.c: Added comments to describe new artifical defs.
747 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
748 (entry_block_defs): New field in struct df.
749 (df_all_hard_regs): Deleted.
750 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
751 * df-problems.c (df_ru_bb_local_compute_process_def):
752 Added code to handle artifical defs in the entry to a function.
753 (df_ru_bb_local_compute): Ditto.
754 (df_rd_bb_local_compute_process_def): Ditto.
755 (df_rd_bb_local_compute): Ditto.
756 (df_lr_bb_local_compute): Ditto.
757 (df_ur_bb_local_compute): Ditto.
758 (df_urec_bb_local_compute): Ditto.
759 (df_chain_create_bb): Ditto.
760 (df_ur_local_finalize): Removed entry.
761 (df_urec_init): Ditto.
762 (df_urec_local_finalize): Ditto.
763 (df_ri_bb_compute): Added detection of last use of pseudos.
764 * Makefile.in (df-scan.o): Updated dependencies.
765 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
766 * config/mips/mips.c (mips_set_live_on_entry): Added.
767 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
769 * dce.c (marked_insn_p): Added code to handle artifical defs.
771 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
773 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
775 (_mm_cvtsi128_si64): Likewise.
776 (_mm_cvtsd_si64): Likewise.
777 (_mm_cvttsd_si64): Likewise.
778 (_mm_cvtsi64_sd): Likewise.
779 (_mm_cvtsi64_si128): Likewise.
780 * config/i386/mmintrin.h (_m_from_int64): Likewise.
781 (_mm_cvtsi64_m64): Likewise.
782 (_m_to_int64): Likewise.
783 (_mm_cvtm64_si64): Likewise.
784 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
785 (_mm_cvttss_si64): Likewise.
786 (_mm_cvtsi64_ss): Likewise.
787 (_mm_cvtss_f32): Likewise.
789 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
791 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
792 for pragma redefine_extname.
794 2006-01-27 Jakub Jelinek <jakub@redhat.com>
797 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
798 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
799 -mno-minimal-toc to previous content.
800 (bispecs): Remove goal.
801 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
802 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
803 compatibility aliases on powerpc-*-*gnu*.
804 * config/rs6000/libgcc-ppc-glibc.ver: New file.
805 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
806 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
807 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
808 (ldblspecs): New goal.
809 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
810 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
812 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
813 L_sf_to_tf or L_df_to_tf is defined.
815 2006-01-27 David Edelsohn <edelsohn@gnu.org>
816 Alan Modra <amodra@bigpond.net.au>
819 * config/rs6000/linux.h (POWERPC_LINUX): Define.
820 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
821 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
822 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
823 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
824 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
825 (rs6000_override_options): Initialize rs6000_ieeequad.
826 Initialize TFmode format to ibm_extended_format if not
828 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
830 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
831 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
832 (function_arg_advance): IBM long double passed in two FPRs, not
834 (function_arg): IBM long double passed in FPRs.
835 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
836 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
837 Only multireg GPR aligned.
838 (rs6000_init_libfuncs): Enable IBM long double functions if not
840 (rs6000_generate_compare): Use IBM long double compare if not
842 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
843 (TARGET_IEEEQUAD): Define.
844 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
846 * config/rs6000/rs6000.md: Enable TFmode patterns if
848 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
849 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
850 and -mlong-double-128 are incompatible.
851 * doc/invoke.texi (-mabi): Collect options together. Add
852 ibmlongdouble and ieeelongdouble.
854 2006-01-27 Richard Sandiford <richard@codesourcery.com>
856 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
858 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
859 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
860 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
861 * rtl.h (rtunion_def): Remove rt_ptr.
863 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
864 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
865 * config/i386/winnt.c (i386_pe_mark_dllexport)
866 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
868 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
870 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
872 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
876 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
877 pthread_key_delete. From John David Anglin. gthrw-ify
878 pthread_getunique_np only if it it's not a macro. Delete
880 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
881 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
882 __gthread_objc_condition_signal, __gthread_key_delete): Add
883 "__attribute__ ((__unused__))" to unused arguments.
884 (__gthread_recursive_mutex_init_function): Add missing return.
885 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
886 gthr-posix95.h: Use macro-based approach for name redirection
887 on targets missing weakref.
889 2006-01-26 Zack Weinberg <zackw@panix.com>
891 * genconditions.c (write_header): In generated code, #ifdef out
892 all includes and fake declarations, except includes of bconfig.h
893 and system.h, unless GCC_VERSION >= 3001. Do not include
894 gensupport.h in any case.
895 (write_conditions): Generate a definition of struct c_test. Add
896 a comment to the generated #endif.
897 (write_one_condition): Escape backslashes in string too.
898 (write_writer): Generated code must escape backslashes and quote
899 marks (but not newlines) in the strings it writes.
900 * Makefile.in (build/gencondmd.o): Update dependencies.
902 2006-01-26 Steve Ellcey <sje@cup.hp.com>
905 * Makefile.in (insn-automata.o): Add header file dependencies.
906 * genautomata.c: Add includes.
908 2006-01-26 Steve Ellcey <sje@cup.hp.com>
911 * Makefile.in (insn-automata.o): Add -Wno-error flag.
913 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
915 * configure.ac: Expect target tools paths to be passed from the toplevel
916 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
918 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
920 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
923 * c.opt (Wpointer-sign): Init to -1.
924 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
925 OPT_pedantic, to 0 otherwise.
926 * doc/invoke.texi: Update.
928 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
930 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
931 constants provided by 80387 instructions in the destination mode.
933 2006-01-26 Richard Guenther <rguenther@suse.de>
934 Andrew Pinski <pinskia@physics.uc.edu>
937 partial PR tree-opt/17064
938 * tree-ssa-structalias.c (intra_create_variable_infos):
939 Create heap variables for incoming parameters if
940 flag_argument_noalias > 1.
941 (find_what_p_points_to): Look through default defs of
944 2006-01-26 Jeff Law <law@redhat.com>
947 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
948 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
949 within the VR_RANGE, use the VR_RANGE as the result, not the
951 (adjust_range_with_scev): Reject ranges from SCEV which are out of
954 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
956 * tree-ssa-alias.c (maybe_create_global_var): Change
957 subvar walking to an assertion that we don't have subvar'd variables.
959 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
962 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
963 Use a new variable, inner. PARM_DECLs are always non-weak.
965 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
967 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
970 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
972 * config/mips/mips.md (*clear_upper32): New combiner pattern.
974 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
976 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
977 (smax_insn, smin_insn, smax_0, smin_0): New.
979 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
982 * config/cris/cris.c (cris_order_for_addsi3): New function.
983 * config/cris/cris-protos.h: Prototype it.
984 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
985 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
986 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
987 (split for "op.S1 [rx=rx+i],ry (swapped)")
988 (split for "op(s|u).S1 [rx=rx+i],ry")
989 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
990 Apply cris_order_for_addsi3 when generating addsi3 insns.
992 2006-01-25 Diego Novillo <dnovillo@redhat.com>
994 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
995 (TREE_BLOCK): Add call to EXPR_CHECK.
997 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1000 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1001 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1002 (dump_omp_clauses): ... here.
1003 (dump_generic_node): Handle OMP_CLAUSE.
1004 * tree.c (omp_clause_num_ops): New.
1005 (omp_clause_code_name): New.
1006 (tree_code_size): Handle OMP_CLAUSE.
1007 (tree_size): Likewise.
1008 (make_node): Document handling of OMP_CLAUSE.
1009 (tree_node_structure): Handle OMP_CLAUSE.
1010 (omp_clause_check_failed): New.
1011 (omp_clause_range_check_failed): New.
1012 (omp_clause_operand_check_failed): New.
1013 (build_omp_clause): New.
1014 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1015 * tree.h (enum omp_clause_code): Declare.
1016 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1017 (OMP_CLAUSE_RANGE_CHECK): Define.
1018 (OMP_CLAUSE_ELT_CHECK): Define.
1019 (omp_clause_check_failed): Declare.
1020 (omp_clause_operand_check_failed): Declare.
1021 (omp_clause_range_check_failed): Declare.
1022 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1023 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1024 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1025 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1026 (OMP_CLAUSE_IF_EXPR): Likewise.
1027 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1028 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1029 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1030 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1031 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1032 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1033 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1034 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1035 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1036 (OMP_CLAUSE_CODE): Define.
1037 (OMP_CLAUSE_SET_CODE): Define.
1038 (OMP_CLAUSE_CODE): Define.
1039 (OMP_CLAUSE_OPERAND): Define.
1040 (struct tree_omp_clause): Declare.
1041 (union tree_node): Add field 'omp_clause'.
1042 * treestruct.def (TS_OMP_CLAUSE): Define.
1043 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1044 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1045 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1046 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1047 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1048 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1049 (OMP_CLAUSE): Define.
1050 * print-tree.c (print_node): Handle OMP_CLAUSE.
1051 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1052 * c-typeck.c: Likewise.
1053 * gimplify.c: Likewise.
1054 * c-omp.c: Likewise.
1055 * tree-nested.c: Likewise.
1056 * tree-inline.c: Likewise.
1057 * c-parser.c: Likewise.
1058 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1061 2006-01-25 Roger Sayle <roger@eyesopen.com>
1063 PR rtl-optimization/25703
1064 * combine.c (try_combine): Handle zero_extract and strict_low_part
1065 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1067 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1069 * global.c: Fix comment typos.
1071 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1074 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1075 Use output_addr_const instead of assemble_name.
1077 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1079 * Makefile.in (sched-vis.o): Update dependencies.
1080 * haifa-sched.c (sched_finish): Clear current_sched_info.
1081 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1082 (dump_flow_info): Call it.
1083 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1085 * basic-block.h (dump_bb_info): Declare.
1086 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1087 option, and apply options only for dump files whose TDF_RTL,
1088 TDF_TREE, or TDF_IPA bits match.
1089 * rtl.h: Declare new functions exported from sched-vis.c.
1090 * sched-vis.c: Enable also if scheduling is not used.
1091 (print_value): Print the mode of registers if not inside scheduling.
1092 (print_insn): Make it work outside the scheduler. Beautify the output
1094 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1096 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1098 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1099 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1100 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1101 depending on the value of CONSTANT_POOL_ADDRESS_P.
1102 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1104 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1105 rather than SYMBOL_REF_DECL.
1106 (rtx_constant_pool): Remove const_rtx_sym_htab.
1107 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1108 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1109 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1110 Remove handling of const_rtx_sym_htab.
1111 (find_pool_constant): Delete.
1112 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1113 rather than find_pool_constant.
1114 (get_pool_constant_for_function): Delete.
1115 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1117 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1118 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1119 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1120 (SYMBOL_REF_CONSTANT): New macro.
1121 (get_pool_constant_for_function): Delete.
1122 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1123 rather than SYMBOL_REF_DECL.
1124 (i386_pe_mark_dllimport): Likewise.
1125 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1126 rather than SYMBOL_REF_DECL.
1127 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1128 (machopic_indirect_call_target): Likewise.
1130 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1132 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1134 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1136 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1138 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1140 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1142 2006-01-24 David Daney <ddaney@avtrex.com>
1145 * configure.ac (enable_tls): New enable option.
1146 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1147 * configure: Regenerate.
1148 * doc/install.texi (--enable-tls): Document new option.
1149 (--disable-tls): Ditto.
1151 2006-01-24 Richard Henderson <rth@redehat.com>
1153 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1154 * alias.c (true_dependence): Respect it.
1155 (canon_true_dependence, write_dependence_p): Likewise.
1156 * builtins.c (get_builtin_sync_mem): Set it.
1158 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1160 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1163 2006-01-24 DJ Delorie <dj@redhat.com>
1165 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1166 for storing constants in single-bit bitfields.
1168 2006-01-25 Ben Elliston <bje@au.ibm.com>
1170 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1172 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1175 * tree-ssa-pre.c (phi_translate): Return NULL
1176 for AGGREGATE_TYPE's.
1178 2006-01-24 Zack Weinberg <zackw@panix.com>
1180 * genautomata.c (process_state_for_insn_equiv_partition):
1181 Use xcalloc for insn_arcs_array.
1182 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1183 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1185 2006-01-24 Richard Henderson <rth@redhat.com>
1187 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1190 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1192 PR rtl-optimization/25890
1193 PR rtl-optimization/25905
1194 * combine.c (expand_compound_operation, expand_field_assignment):
1195 Fail if the bitfield's final position is out of bounds.
1197 2006-01-24 Ian Lance Taylor <ian@airs.com>
1200 * cgraphunit.c (cgraph_output_in_order): Don't clear
1201 cgraph_asm_nodes until after asm strings have been output.
1203 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1205 * fix-header.c (read_scan_file): Add new parameter imultilib when
1206 calling register_include_chains.
1208 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1210 * omp-low.c: Update documentation.
1212 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1213 Daniel Berlin <dberlin@dberlin.org>
1217 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1218 return from the function.
1220 2006-01-22 Zack Weinberg <zackw@panix.com>
1222 * rtl.def (match_code): Add second argument.
1223 * genpreds.c (write_extract_subexp): New function.
1224 (write_match_code): Add path argument. Use write_extract_subexp.
1225 (write_predicate_expr): Pass path to write_match_code.
1226 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1227 not perform a mode test.
1228 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1229 a subexpression does not constrain the top-level code set.
1230 * read-rtl.c (read_rtx_variadic): New function.
1231 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1232 * doc/md.texi: Document new notation.
1233 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1234 (cmpsi_operand): ... here, using new notation.
1236 2006-01-22 Zack Weinberg <zackw@panix.com>
1238 * varray.c: Remove GENERATOR_FILE #ifdefs.
1240 2006-01-22 Zack Weinberg <zackw@panix.com>
1242 * genautomata.c (output_reserved_units_table): Emit nothing if
1243 description->query_units_num is zero. Remove extra blank line.
1244 (output_cpu_unit_reservation_p): Short circuit
1245 if description->query_units_num is zero.
1247 2006-01-22 Zack Weinberg <zackw@panix.com>
1249 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1250 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1251 nor any of the random handful of variables that used to be necessary
1252 when this program was linked with rtlanal.o. Prune set of forward
1253 function declarations.
1254 (struct attr_desc): Remove static_p field.
1255 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1256 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1257 (attr_string): Do not read the character one past the length of
1259 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1260 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1261 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1262 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1263 (make_automaton_attrs): New.
1264 (main): Do not call into genautomata. Call local gen_bypass
1265 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1266 Remove special case for insn_alts.
1267 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1268 varray.h (leftover from previous change). Prune set of forward
1269 function declarations. Remove state_alts fields from all
1270 structures. Remove state_alts_table from struct automaton.
1271 Make everything except main static. Do not maintain num_dfa_decls.
1272 Do not maintain state_alts fields of various structures.
1273 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1274 (add_arc): Remove state_alts argument. All callers updated.
1275 (output_reserved_units_table): Emit #ifdef here...
1276 (output_tables): ...not here. Don't generate state_alts tables.
1277 (expand_automata): Don't generate attributes.
1278 (write_automata): Don't generate state_alts functions.
1279 (main): New function.
1280 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1281 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1282 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1283 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1284 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1285 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1286 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1287 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1289 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1290 * genattrtab.h: Delete file.
1291 * Makefile.in (OBJS-common): Add insn-automata.o.
1292 (insn-automata.o): New rule.
1293 (simple_generated_c): Add insn-automata.c.
1294 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1295 (genprogmd): Add automata.
1296 (build/genattrtab): Needs no extra objects nor libraries.
1297 (build/genautomata): Needs build/vec.o and -lm.
1299 2006-01-22 Zack Weinberg <zackw@panix.com>
1301 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1302 (output_dfa_max_issue_rate, locked_states_num): Delete.
1303 (struct automaton): Add locked_states field.
1304 (output_dead_lock_vect): Save number of locked states in
1305 automaton->locked_states. If it is zero, don't print anything.
1306 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1307 (output_internal_dead_lock_func): Only test the dead_lock_vect
1308 for automata that have locked states.
1309 (output_statistics): Always print the number of locked states for
1310 each automaton. Calculate total number of locked states here.
1311 (write_automata): Don't call output_dfa_max_issue_rate.
1312 * genattrtab.c: Define length_unit_log as a const variable.
1313 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1314 max_insn_queue_index const.
1315 * final.c (length_unit_log): Declare const.
1316 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1318 2006-01-22 Zack Weinberg <zackw@panix.com>
1320 * genautomata.c: Include vec.h, not varray.h.
1321 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1322 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1323 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1324 VEC_* macros operating on appropriately typed vectors, or to
1325 malloced arrays when the size is known in advance. Const-ify
1326 many char* variables and function arguments. No functional changes.
1327 * Makefile.in (build/varray.o): Delete rule.
1328 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1329 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1331 2006-01-22 Zack Weinberg <zackw@panix.com>
1333 * gensupport.c: Define get_insn_name and record_insn_name here.
1334 (read_md_rtx): Call record_insn_name as appropriate.
1335 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1336 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1337 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1339 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1340 (BUILD_VARRAY): Delete.
1341 (genprognormal): Rename genprogmd. Fold in all programs from
1342 genprognoprint; also attrtab.
1343 (build/genattrtab): Just mention genautomata.o and varray.o.
1344 Reorganize a bit, add comments to make the categories clearer.
1346 2006-01-22 Zack Weinberg <zackw@panix.com>
1348 * genconditions.c (condition_table, add_condition): Delete.
1349 (write_conditions): Don't emit n_insn_conditions nor
1350 insn_elision_unavailable. Issue the gcc version #ifdef here,
1351 inside the table, with no #else clause ...
1352 (write_header): ...not here.
1353 (write_writer): New function.
1354 (main): Don't initialize condition_table. Use add_c_test.
1356 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1357 files on the command line.
1358 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1359 Return -1 if there is no entry in the table, don't abort.
1360 (add_c_test, traverse_c_tests): New functions.
1361 * gensupport.h (insn_elision_unavailable, insn_conditions)
1362 (n_insn_conditions): Delete declarations.
1363 (add_c_test, traverse_c_tests): Declare.
1364 * read-rtl.c: Include gensupport.h.
1365 (read_conditions): New function.
1366 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1367 (read_rtx_1): If we get EOF when we were looking for an initial
1368 open paren, return 0. Call read_conditions when appropriate.
1369 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1370 dummy-conditions.o. Eliminate references to insn-conditions.o,
1371 or change them to build/gencondmd.o, as appropriate. Remove
1372 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1373 from $(simple_generated_c). For all files remaining in those
1374 two lists, add insn-conditions.md to the generator command line.
1375 Give insn-constants.h/s-constants their own rules. Add rules
1376 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1377 (build/read-rtl.o): Depend on gensupport.h.
1378 (genprognormal): Include preds.
1379 (genprogearly): Rename genprognoprint; only difference is now that
1380 they don't link with $(BUILD_PRINT).
1381 * dummy-conditions.c: Delete.
1383 2006-01-22 Zack Weinberg <zackw@panix.com>
1385 * genextract.c: Don't include insn-config.h. Do include vec.h.
1386 Declare vectors of int, char, and locstr.
1387 (locstr): New typedef.
1388 (struct extraction): Make all array fields into bare pointers.
1389 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1390 (insn_code_number): Delete.
1391 (accum_extract): New struct.
1392 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1393 (gen_insn): Take insn_code_number as an argument. Use an
1394 accum_extract structure instead of loading data directly into
1395 a struct extraction, and having to know how big it might get.
1396 (walk_rtx): Operate entirely on an accum_extract structure.
1397 (print_path): Avoid unnecessary use of printf.
1398 (print_header): New function, split out of main. Distinguish
1399 more carefully between an unrecognizable insn and an insn that
1400 has the code number of a define_expand.
1401 (main): Pass insn_code_number to gen_insn. Call print_header
1402 only after parsing. Avoid unnecessary use of printf.
1403 * Makefile.in (build/vec.o): New rule.
1404 (build/genextract): Depend on build/vec.o.
1405 (build/genextract.o): Don't depend on insn-config.h.
1407 2006-01-22 Zack Weinberg <zackw@panix.com>
1409 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1410 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1411 practical. Eliminate per-generator-program link rules.
1413 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1416 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1417 with a call expr to ...
1418 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1420 2006-01-23 Richard Guenther <rguenther@suse.de>
1422 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1423 before make_edge with conditional EDGE_TRUE_VALUE.
1425 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1426 Jan Hubicka <jh@suse.cz>
1427 Richard Guenther <rguenther@suse.de>
1429 PR rtl-optimization/25654
1430 * cfgexpand.c (aggregate_contains_union_type): New function.
1431 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1432 for structure variables that contain a union type.
1434 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1436 * gengtype.c (new_structure): Return the structure.
1437 (create_option): Add an extra "next" argument.
1438 (create_field): New function.
1439 (adjust_field_rtx_def): Use create_option and create_field.
1440 Remove a now-unnecessary call to find_structure.
1441 (adjust_field_tree_def): Likewise.
1442 (note_yacc_type): Remove an unnecessary call to find_structure.
1443 * gengtype.h (new_structure): Return the structure.
1444 (create_option): Add an extra argument.
1445 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1446 (option): Adjust calls to create_option.
1448 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1450 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1452 2006-01-22 Paul Brook <paul@codesourcery.com>
1453 Peter Barada <peter@the-baradas.com>
1455 * config/m68k/m68k.md: Add Coldfire FPU support.
1456 Define FP mode macro and associated attributes.
1457 Use it for float mode patterns.
1458 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1459 (LIBCALL_VALUE): Use m68k_libcall_value.
1460 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1461 (m68k_function_value): Ditto.
1462 (emit_move_sequence): Ditto.
1463 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1464 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1465 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1466 (MULTILIB_EXCEPTIONS): Ditto.
1467 * config/m68k/m68k.opt: Add mcfv4e.
1468 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1469 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1470 (m68k_output_function_prologue): Save ColdFire FPU registers.
1471 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1472 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1473 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1474 ColdFire FPU registers.
1475 (m68k_libcall_value, m68k_function_value): New functions.
1476 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1477 (LIBCALL_VALUE): Use m68k_libcall_value.
1478 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1479 (MASK_COLDFIRE): Add MASK_CFV4E.
1480 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1481 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1482 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1483 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1484 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1485 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1486 * doc/invoke.tex: Document -mcfv4e on m68k.
1488 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1490 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1493 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1496 * c-opts.c (c_common_handle_option): Don't include
1497 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1498 * doc/invoke.texi (C++ Dialect Options): Document that
1499 -Wnon-virtual-dtor is no longer included in -Wall.
1501 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1503 * gcov.c (print_version), gcov-dump.c (print_version),
1504 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1507 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1509 * df-scan.c (problem_SCAN): Added NULL reset function.
1510 (df_scan_reset_blocks): Added code to call reset block function
1511 (df_bb_refs_delete) Fixed comment.
1512 (df_insn_refs_delete): Made tolerant of deleting non existent info
1513 for dataflow problems that need to be reset.
1514 * df-core.c (df_set_blocks): Ditto.
1515 * df.h (struct df_problem): Added reset_fun.
1516 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1517 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1518 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1519 functions to clear out all references to def-use or use-def chains.
1521 2006-01-21 Ben Elliston <bje@au.ibm.com>
1523 * varasm.c (assemble_real): Initialise data array.
1525 2006-01-20 Paul Brook <paul@codesourcery.com>
1527 Merge from csl-arm-branch.
1528 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1529 * config/arm/arm.md (movdi): Force operands[1] to a register
1530 if we have a non-register source.
1531 (*arm_movdi, *movdf_soft_insn): Require that one of the
1532 operands be a register.
1533 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1534 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1536 2006-01-20 DJ Delorie <dj@redhat.com>
1538 * varasm.c (initialize_constant_valid_p): Allow pointers
1539 initialized from integer constants of lesser precision.
1540 (output_constant): Allow non-int-sized pointer modes to be
1541 initialized from integer constants.
1543 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1546 * cppdefault.h (struct default_include): Add multilib flag.
1547 * cppdefault.c (cpp_include_defaults): Set it.
1548 * c.opt (-imultilib): New option.
1549 * c-opts.c (imultilib): New.
1550 (c_common_handle_option): Handle -imultilib.
1551 (c_common_post_options): Likewise.
1552 * c-incpath.c (add_standard_paths, register_include_chains):
1554 * c-incpath.h (register_include_chains): Add extra parameter.
1555 * gcc.c (do_spec_1): Generate -imultilib option.
1556 (The Specs Language): Update %I description.
1557 (process_command): Update copyright notice.
1558 * doc/cppopts.texi (-imultilib): Document.
1559 * doc/invoke.texi (-imultilib): Include in option summary.
1560 (%I): Update specs documentation.
1562 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1564 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1566 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1568 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1571 2006-01-20 Richard Guenther <rguenther@suse.de>
1572 Steven Bosscher <stevenb.gcc@gmail.com>
1574 PR rtl-optimization/24626
1575 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1576 EDGE_TRUE_VALUE if in RTL mode.
1579 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1580 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1582 2006-01-20 Dirk Mueller <dmueller@suse.com>
1585 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1586 instead of a special NOP marker.
1587 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1588 NOP marker handling.
1589 * c-common.h (empty_body_warning): Add forward declaration.
1590 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1591 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1593 2006-01-20 Paul Brook <paul@codesourcery.com>
1595 * Makefile.in (lang_checks): Keep going if mkdir fails.
1597 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1599 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1600 be able to clean out basic block when not necessary.
1601 (df_scan_free): Fixed to properly delete information if df is
1602 unused before calling df_finish.
1603 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1604 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1606 (df_bb_refs_delete): New function.
1607 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1608 * df-core.c (df_set_blocks): Added code to properly clean out
1609 unused blocks if they are not part of the blocks to consider.
1610 Added additional null check.
1611 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1612 be able to clean out basic block when not necessary
1613 * df.h (df_free_bb_function): Ditto.
1614 (df_bb_refs_delete): New function.
1615 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1616 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1617 basic block parameter to be able to clean out basic block when not
1619 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1620 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1621 Fixed to properly delete information if df is unused before
1624 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1626 PR rtl-optimization/25799
1627 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1628 Corrected confluence operator to remove bits from op2 before oring
1629 with op1 rather than removing bits from op1.
1630 (df_ru_transfer_function): Corrected test on wrong bitmap which
1631 caused infinite loop. Both of these problems were introduced in
1632 the dataflow rewrite.
1634 2006-01-19 DJ Delorie <dj@redhat.com>
1636 * reload1.c (find_reload_regs): Note the details of reload
1637 failures in the dump file.
1638 (spill_failure): Likewise.
1640 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1642 * loop-iv.c: Include df.h and hashtab.h.
1643 (enum iv_grd_result): New enum.
1644 (DF_REF_IV, DF_REF_IV_SET): New macros.
1645 (struct biv_entry): New.
1646 (df, bivs): New global variables.
1647 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1648 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1650 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1651 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1652 analyzed_for_bivness_p, record_biv): New functions.
1653 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1654 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1655 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1657 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1659 (iv_number_of_iterations): Use new interface to iv analysis.
1660 * loop-unroll.c: Do not include varray.h.
1661 (analyze_iv_to_split_insn): Use new interface to iv
1663 * loop-unswitch.c (may_unswitch_on): Ditto.
1664 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1666 (df_bb_modify): Realloc tables to the new index.
1667 (df_find_use): New function.
1668 * df.h (df_find_use): Declare.
1669 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1671 * cfgloop.h (struct rtx_iv): Remove analysed field.
1672 (iv_get_reaching_def): Removed.
1673 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1674 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1675 (loop-iv.o): Add df.h and hashtab.h dependency.
1676 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1678 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1681 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1683 (__floatundisf, __floatundidf): Likewise.
1684 * libgcc2.h (IS_IBM_EXTENDED): Define.
1686 2006-01-19 DJ Delorie <dj@redhat.com>
1688 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1690 2006-01-19 Paul Brook <paul@codesourcery.com>
1692 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1693 as nothrow when unwinding tables are disabled.
1695 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1698 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1699 of bit-field" when in system header.
1701 2006-01-19 DJ Delorie <dj@redhat.com>
1703 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1704 the 16 bit shift limit of the m16c.
1706 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1709 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1710 * config/i386/i386.c (output_set_got): Output the label if we have one
1711 for the TARGET_DEEP_BRANCH_PREDICTION case.
1713 2006-01-19 Jan Hubicka <jh@suse.cz>
1714 H.J. Lu <hongjiu.lu@intel.com>
1715 Evandro Menezes <evandro.menezes@amd.com>
1717 * invoke.texi (generic): Document
1719 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1720 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1721 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1722 (x86_use_incdec, x86_pad_returns): New variables
1723 (TARGET_CPU_DEFAULT_generic): New constant
1724 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1725 (enum processor_type): Add generic32 and generic64.
1726 * i386.md (cpu attribute): Add generic32/generic64
1727 (movhi splitter): Behave sanely when both partial_reg_dependency and
1728 partial_reg_stall are set.
1729 (K8 splitters): Enable for generic as well.
1730 * predicates.md (incdec_operand): Use TARGET_INCDEC
1731 (aligned_operand): Avoid memory mismatch stalls.
1732 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1733 * ppro.md: Enable for generic32
1734 * i386.c (generic64_cost, generic32_cost): New.
1735 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1736 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1737 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1738 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1739 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1740 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1741 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1742 x86_accumulate_outgoing_args, x86_prologue_using_move,
1743 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1744 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1746 (x86_use_incdec, x86_pad_returns): New.
1747 (override_options): Add generic32 and generic64, translate "generic"
1748 to generic32/generic64 and "i686" to "generic32", refuse
1749 "generic32"/"generic64" as arch target.
1750 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1751 (ix86_reorg): Honor PAD_RETURNS.
1753 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1755 * tree-pretty-print.c (dump_generic_node): Handle
1756 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1757 * cgraph.c (cgraph_expand_queue): Rename from
1758 cgraph_analyze_queue. Update all users.
1759 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1760 cgraph_expand_queue.
1761 (cgraph_expand_all_functions): Likewise.
1762 (cgraph_finalize_pending_functions): Remove. Update callers.
1764 * tree.h (OMP_DIRECTIVE_P): Define.
1765 (OMP_PARALLEL_FN): Define.
1766 (OMP_PARALLEL_DATA_ARG): Define.
1767 (OMP_SECTIONS_SECTIONS): Define.
1768 * tree-pass.h (pass_expand_omp): Declare.
1769 * omp-low.c (struct omp_region): Declare.
1770 (struct omp_context): Remove fields 'parallel_type',
1771 'parallel_start_ix' and 'parallel_start_additional_args'.
1773 (struct omp_for_data): Rename from struct expand_omp_for_data.
1774 (omp_regions): New static variable.
1775 (root_omp_region): New static variable.
1776 (find_omp_clause): Make static.
1777 (is_in_combined_parallel_ctx): Remove.
1778 (is_combined_parallel): New.
1779 (extract_omp_for_data): Move earlier in the file.
1780 (workshare_safe_to_combine_p): New.
1781 (get_ws_args_for): New.
1782 (determine_parallel_type): Move earlier in the file.
1783 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1785 (omp_copy_decl): Likewise.
1786 (create_omp_child_function): Likewise.
1787 (lookup_omp_region): New.
1788 (dump_omp_region): New.
1789 (debug_omp_region): New.
1790 (debug_all_omp_regions): New.
1791 (new_omp_region): New.
1792 (scan_omp_parallel): If parallel_nesting_level > 1, the
1793 directive is nested within another parallel directive.
1794 Set OMP_PARALLEL_FN.
1795 (scan_omp_for): Do not try to handle combined parallel+for
1797 Remove FIXME comment.
1798 (scan_omp_nested): Remove.
1799 (scan_omp_1): Do not call scan_omp_nested when
1800 parallel_nesting_level is > 1.
1801 Do not change the DECL_CONTEXT of local variables found.
1802 (lookup_decl_in_outer_ctx): New.
1803 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1804 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1805 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1806 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1807 If CTX is nested, lookup VAR in the outer context when
1808 building copy assignment.
1809 (lower_send_clauses): Rename from expand_send_clauses.
1810 If CTX is nested, lookup VAR in the outer context when
1811 building copy assignments.
1812 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1813 If CTX is nested, lookup VAR in the outer context when
1814 building copy assignments.
1815 (expand_parallel_call): Rename from build_parallel_call.
1816 Handle combined parallel+workshare cases.
1817 Re-implement to emit code into the CFG.
1819 (expand_omp_parallel): Re-implement to emit code into the CFG.
1820 Call move_sese_region_to_fn to outline the sub-graph
1821 containing the parallel region.
1822 (expand_omp_for_1): Remove.
1823 (expand_omp_for_generic): Re-implement to emit code into the
1825 (expand_omp_for_static_nochunk): Likewise.
1826 (expand_omp_for_static_chunk): Likewise.
1827 (expand_omp_for): Likewise.
1828 (expand_omp_sections): Likewise.
1829 (remove_exit_barriers): New.
1830 (expand_omp_synch): New.
1832 (build_omp_regions_1): New.
1833 (build_omp_regions): New.
1834 (execute_expand_omp): New.
1835 (gate_expand_omp): New.
1836 (pass_expand_omp): Define.
1837 (lower_omp_sections): Rename from expand_omp_sections.
1838 Set OMP_SECTIONS_SECTIONS.
1839 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1840 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1841 (lower_omp_single): Rename from expand_omp_simple.
1842 (lower_omp_master): Rename from expand_omp_master.
1843 (lower_omp_ordered): Rename from expand_omp_ordered.
1844 (lower_omp_critical): Rename from expand_omp_critical.
1845 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1846 (lower_omp_for): Re-implement.
1847 (lower_omp_parallel): Re-implement.
1848 (lower_regimplify): Rename from expand_regimplify.
1849 (lower_omp_1): Rename from expand_omp_1.
1850 If there are syntax errors in the program, replace every
1851 OpenMP directive with NOP.
1852 Call lower_omp_* instead of expand_omp_*.
1853 (lower_omp): Rename from expand_omp.
1855 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1856 * tree-gimple.h (enum omp_parallel_type): Remove.
1857 (gimple_boolify): Declare extern.
1858 (find_omp_clause, determine_parallel_type): Remove.
1860 * gimple-low.c (lower_omp_directive): New.
1861 (lower_stmt): Call it.
1862 (record_vars_into): Move from ...
1863 (record_vars): ... here.
1864 Call record_vars_into with current_function_decl.
1866 * gimplify.c (struct gimplify_ctx): Remove fields
1867 combined_pre_p and combined_ctxp. Update users.
1868 (get_formal_tmp_var): Add documentation.
1869 (gimple_boolify): Make extern.
1870 (gimplify_expr_in_ctx): Remove. Update callers.
1871 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1872 will always be a BIND_EXPR.
1873 (gimplify_expr): Handle OMP_RETURN_EXPR.
1874 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1875 (OMP_PARALLEL): Add 3 operands.
1876 (OMP_SECTIONS): Add 1 operand.
1877 (OMP_RETURN_EXPR): Define.
1879 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1880 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1881 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1882 creating a circular free list.
1883 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1885 * tree-flow.h (move_sese_region_to_fn): Declare.
1886 (record_vars_into): Declare.
1887 * tree-cfg.c (make_omp_sections_edges): New.
1888 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1889 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1890 OMP_SECTIONS and OMP_SECTION.
1891 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1892 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1893 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1894 (gather_blocks_in_sese_region): New.
1895 (struct move_stmt_d): Declare.
1897 (move_block_to_fn): New.
1898 (move_sese_region_to_fn): New.
1900 * passes.c (init_optimization_passes): Schedule
1901 pass_expand_omp after pass_init_datastructures.
1903 * tree-ssa-operands.c (get_expr_operands): Handle
1904 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1905 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1907 2006-01-19 Jeff Law <law@redhat.com>
1909 * tree-vrp.c (extract_range_from_assert): Refine the result range
1910 if the variable referenced by the ASSERT_EXPR has a range and
1911 either the tentative result range or the previous range is a
1914 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1916 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1918 2006-01-19 Jan Hubicka <jh@suse.cz>
1920 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1922 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1924 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1925 (expand_compound_operation, expand_field_assignment): Fail if the
1926 bit lengths of an extract operation are out of range.
1927 (make_extraction): Compute wanted_inner_mode based on the position
1928 and length of the extraction. Make it extraction_mode for non-constant
1929 positions, and do not modify offset in that case. When generating a
1930 new MEM, use a mode that can hold the extraction while keeping correct
1931 alignment. Remove code that supported MEMs wrapped by USEs.
1932 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1934 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1936 * config/s390/s390.md ("Y", "y"): New mode attribute.
1937 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1938 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1939 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1940 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1941 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1942 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1943 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1944 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1945 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1946 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1947 "addsi3", "subsi3"): Insn patterns removed.
1948 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1949 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1950 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1951 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1952 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1953 "*sub<mode>3_cconly2"): New insn patterns.
1954 ("addsi3", "subsi3"): New expanders.
1956 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1958 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1959 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1960 existing STMT_VINFO_VECTYPE if available.
1961 (vect_mark_relevant): Add special handling for stmts that are
1962 marked as STMT_VINFO_IN_PATTERN_P.
1963 (vect_analyze_loop): Call vect_pattern_recog.
1964 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1965 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1967 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1968 (vect_recog_func_ptr): New function-pointer type.
1969 * tree-vect-patterns.c: New file.
1970 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1971 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1972 (vect_pattern_recog_1): New functions.
1973 (vect_pattern_recog_funcs): New array of function pointers.
1975 * tree-vectorizer.h (ternary_op): New enum value.
1976 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1977 declaration. Revised documentation. Removed redundant dump prints.
1978 Removed redundant argument. Added support for reduction patterns.
1979 (vectorizable_reduction): Added support for reduction patterns.
1980 (vect_transform_stmt): Added support for patterns.
1982 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1983 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1984 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1985 (expand_widen_pattern_expr): New function.
1986 (init_optabs): Initialize new optabs udot_prod_optab,
1988 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1989 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1990 (expand_widen_pattern_expr): New function declaration.
1991 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1993 * tree-inline.c (estimate_num_insns_1): Added cases for new
1994 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1995 * tree-pretty-print.c (dump_generic_node): Likewise.
1996 (op_prio): Likewise.
1997 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1998 * tree-ssa-operands.c (get_expr_operands): Added case for
2000 * tree-vect-patterns.c (widened_name_p): New function.
2001 (vect_recog_dot_prod_pattern): Added function implementation.
2002 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2003 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2004 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2005 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2007 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2008 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2009 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2010 (init_optabs): Initialize new optabs widen_ssum_optab,
2012 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2013 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2014 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2015 use instead of type of def.
2016 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2017 function implementation.
2018 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2019 widen_ssumv8hi): New.
2021 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2024 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2027 * c-decl.c (add_flexible_array_elts_to_size): New function.
2028 (finish_decl): Use it.
2030 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2032 * diagnostic.h: Include options.h.
2033 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2034 dependancies for diagnostic.h.
2035 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2037 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2039 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2040 (ssa_ro_call_cache_valid): Ditto.
2041 * tree-ssa-alias.c (sort_tags_by_id): New function.
2042 (init_transitive_clobber_worklist): Ditto.
2043 (add_to_worklist): Ditto.
2044 (mark_aliases_call_clobbered): Ditto.
2045 (compute_tag_properties): Ditto.
2046 (set_initial_properties): Ditto.
2047 (compute_call_clobbered): Ditto.
2048 (compute_may_aliases): Call compute_call_clobbered and grouping.
2049 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2050 (compute_flow_insensitive_aliasing): Grouping now happens in our
2052 (setup_pointers_and_addressables): Remove clobbering related code.
2053 (add_may_alias): Ditto.
2054 (replace_may_alias): Ditto.
2055 (get_nmt_for): Ditto.
2056 (create_global_var):
2057 (is_escape_site): Return an escape_type enumeration.
2058 * tree-flow-inline.h (is_call_clobbered): Global var does not
2059 imply call clobbered.
2060 (mark_call_clobbered): Take a reason for marking this. Remove
2061 marking of globalness, and cache invalidation.
2062 (clear_call_clobbered): Remove cache invalidation code.
2063 * tree-dfa.c (dump_variable): If details is on, dump the reason
2065 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2067 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2068 (struct var_ann_d): Ditto.
2069 (enum escape_type): New.
2070 (mark_call_clobbered): Adjust prototype.
2071 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2072 are never call clobbered.
2073 Record reasons for escaping.
2074 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2075 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2076 (ssa_ro_call_cache_valid): Ditto.
2077 (clobbered_v_may_defs): Ditto.
2078 (clobbered_vuses): Ditto.
2079 (ro_call_vuses): Ditto.
2080 (clobber_stats): New.
2081 (init_ssa_operands): Zero out clobber stats.
2082 (fini_ssa_operands): Print out clobber stats.
2083 (get_call_expr_operands): Pass callee fndecl to
2085 (add_call_clobber_ops): Remove use of cache.
2086 Add use of PURE_CONST information.
2087 (add_call_read_ops): Remove use of cache.
2088 Add use of static not_read information.
2090 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2092 Introduce TLS descriptors for i386 and x86_64.
2093 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2094 (TARGET_ANY_GNU_TLS): New macro.
2095 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2096 (struct machine_function): Add tls_descriptor_call_expanded_p.
2097 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2098 (ix86_current_function_calls_tls_descriptor): Likewise.
2099 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2100 (override_options): Introduce gnu2 tls dialect.
2101 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2103 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2105 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2106 (ix86_init_machine_status): Initialize new field.
2107 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2108 (ix86_tls_module_base): New.
2109 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2110 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2111 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2112 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2113 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2114 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2115 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2116 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2117 * config/i386/predicates.md (tls_modbase_operand): New.
2118 (tp_or_register_operand): New.
2120 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2122 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2123 (look_for_address_of): Ditto.
2124 (ipa_init): Walk the function decls.
2125 (static_execute): Don't set readonly on FUNCTION_DECL's.
2127 2006-01-18 Roger Sayle <roger@eyesopen.com>
2129 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2130 for shifts where the source and destination registers are different.
2132 2006-01-18 Paul Brook <paul@codesourcery.com>
2134 Merge from csl-arm-branch.
2135 2005-03-14 Julian Brown <julian@codesourcery.com>
2136 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2137 (aeabi_llsl): Likewise.
2138 (ashrdi3): Likewise.
2139 (aeabi_lasr): Likewise.
2140 (lshrdi3): Likewise.
2141 (aeabi_llsr): Likewise.
2142 2005-03-10 Julian Brown <julian@codesourcery.com>
2143 * config.gcc: Disable shared libgcc for SymbianOS.
2144 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2146 2006-01-18 DJ Delorie <dj@redhat.com>
2148 * c-pragma.c (handle_pragma_diagnostic): New.
2149 (init_pragma): Register it.
2150 * doc/extend.texi: Document it.
2152 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2153 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2154 (diagnostic_context): Add classify_diagnostic[].
2155 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2156 as errors if they're overridden to DK_WARNING.
2157 (diagnostic_initialize): Initialize classify_diagnostic[].
2158 (diagnostic_set_kind_override): New.
2159 (diagnostic_report_diagnostic): Check for kind changes.
2160 * opts.c (common_handle_option): Take lang_mask. Update callers.
2162 * common.opt (Werror=): New.
2163 * doc/invoke.texi: Document -Werror=*
2165 2006-01-18 Jeff Law <law@redhat.com>
2167 * tree-vrp.c (test_for_singularity): Correct test for new
2168 min limit. Use operand_equal_p rather than pointer equality
2169 for testing if new min/max values are equal.
2171 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2172 using range information until after propagation and folding.
2174 2006-01-18 Richard Henderson <rth@redhat.com>
2175 Aldy Hernandez <aldyh@redhat.com>
2176 Jakub Jelinek <jakub@redhat.com>
2177 Diego Novillo <dnovillo@redhat.com>
2179 * omp-low.c: New file.
2180 * c-omp.c: New file.
2182 2006-01-18 Richard Henderson <rth@redhat.com>
2183 Jakub Jelinek <jakub@redhat.com>
2184 Diego Novillo <dnovillo@redhat.com>
2186 * doc/invoke.texi: Document -fopenmp.
2187 * tree-dump.h (debug_function): Declare.
2188 * hooks.c (hook_bool_tree_bool_false): New function.
2189 (hook_tree_tree_null): Remove.
2190 (hook_tree_tree_tree_null): New.
2191 * hooks.h: Update to match.
2192 * tree-pretty-print.c (debug_tree_chain): New.
2193 (print_generic_expr): Handle TDF_CHAIN.
2194 (dump_generic_node): Handle BLOCK.
2195 Do not abort with incomplete SWITCH_EXPRs.
2196 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2197 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2198 print space after directive name.
2199 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2200 Handle OMP_MASTER and OMP_ORDERED.
2201 Handle printing of OMP_BODY just in one place, goto
2202 dump_omp_body in the rest of OMP_* nodes that have
2204 Don't handle clause nodes here. Update omp statements to
2205 use dump_omp_clauses.
2206 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2207 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2208 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2209 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2210 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2211 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2212 Adjust output for GOMP_PARALLEL.
2213 (dump_omp_clauses): New.
2214 (print_declaration): Dump DECL_VALUE_EXPR.
2215 (op_symbol_1): Split out of op_symbol.
2216 (dumping_stmts): Remove. Update all users.
2217 * cgraph.c (cgraph_analyze_queue): New.
2218 (cgraph_add_new_function): New.
2219 * cgraph.h (cgraph_analyze_queue): Declare.
2220 (cgraph_add_new_function): Declare.
2221 (cgraph_lower_function): Remove.
2222 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2223 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2224 and TYPE_P nodes in its default clause.
2225 (empty_body_p): New.
2226 (tree_range_check_failed): New.
2228 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2229 OMP_CLAUSE_REDUCTION_MERGE,
2230 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2231 OMP_CLAUSE_PRIVATE_DEBUG,
2232 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2233 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2234 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2235 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2236 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2237 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2238 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2239 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2240 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2241 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2242 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2243 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2244 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2245 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2246 (TREE_RANGE_CHECK): New.
2247 (empty_body_p): Declare.
2248 (enum omp_clause_default_kind): New.
2249 (build_string_literal): Declare.
2250 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2251 (build5_stat, build5): Declare.
2252 * tree-pass.h (TDF_CHAIN): Define.
2253 * tree-pass.h (PROP_gimple_lomp): Define.
2254 (pass_lower_omp): Declare.
2255 * diagnostic.h (debug_tree_chain): Declare.
2256 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2258 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2259 * builtins.c (build_string_literal): Make extern.
2260 * gcc.c (include_spec_function): New.
2261 (static_spec_functions): Add it.
2262 (main): Move load of libgomp.spec ...
2263 (LINK_COMMAND_SPEC): ... here.
2264 (link_gomp_spec): New.
2265 (static_specs): Include it.
2266 (LINK_COMMAND_SPEC): Add link_gomp.
2267 (GOMP_SELF_SPECS): New.
2268 (driver_self_specs): Include it.
2269 (switch_matches): Don't mark inline.
2270 (main): Load libgomp.spec.
2271 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2272 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2273 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2274 * tree-gimple.h (enum omp_parallel): Declare.
2275 (determine_parallel_type): Declare.
2276 (omp_firstprivatize_variable): Declare.
2277 (omp_reduction_init): Declare.
2278 (diagnose_omp_structured_block_errors): Declare.
2279 (struct walk_stmt_info): Add want_return_expr.
2280 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2281 (find_omp_clause): Declare.
2282 (insert_field_into_struct): Declare.
2283 (struct walk_stmt_info): Move from tree-nested.c
2284 (walk_stmts): Declare.
2285 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2287 * cgraphunit.c (cgraph_lower_function): Make static.
2288 (cgraph_finalize_pending_functions): New.
2289 (cgraph_finalize_function): Call it.
2290 (cgraph_finalize_compilation_unit): Likewise.
2291 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2292 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2293 (BT_FN_UINT_UINT): New.
2294 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2295 DEF_FUNCTION_TYPE_VAR_4): Document.
2296 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2297 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2298 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2299 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2300 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2301 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2302 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2303 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2304 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2305 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2306 into separate files.
2307 (DEF_GOMP_BUILTIN): New.
2308 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2309 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2310 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2311 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2312 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2313 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2314 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2315 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2316 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2317 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2318 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2319 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2320 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2321 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2322 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2323 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2324 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2325 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2326 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2327 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2328 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2329 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2330 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2331 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2332 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2333 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2334 * sync-builtins.def: New file, moved from builtins.def.
2335 * omp-builtins.def: New file, moved from builtins.def.
2336 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2337 * gimple-low.c (lower_function_body): Clear data.
2338 (lower_stmt): Do not handle COMPOUND_EXPR.
2339 Remove call to print_node_brief.
2340 * c-tree.h (c_finish_omp_clauses): New prototype.
2341 (C_DECL_THREADPRIVATE_P): Define.
2342 (lookup_name_no_remap, c_omp_remap_private): Remove
2343 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2344 (check_for_loop_decls): Update decl.
2345 (lookup_name_no_remap, c_omp_remap_private): Declare.
2346 (build_indirect_ref, build_modify_expr, pushdecl,
2347 pushdecl_top_level): Move to c-common.h.
2348 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2349 before the switch, but just in the 2 places that need it.
2350 * c-decl.c (diagnose_mismatched_decls): Do not check for
2351 mismatched thread-local attributes when OLDDECL is marked
2352 threadprivate and NEWDECL has no thread-local attributes.
2353 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2354 (c_gimple_diagnostics_recursively): Rename from
2355 c_warn_unused_result_recursively. Invoke
2356 diagnose_omp_structured_block_errors.
2357 (check_for_loop_decls): Return a singular decl found.
2358 * langhooks.c (lhd_omp_predetermined_sharing): Return
2359 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2360 (lhd_omp_firstprivatize_type_sizes): New.
2361 (lhd_omp_assignment): New.
2362 (lhd_omp_predetermined_sharing): New.
2363 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2364 (struct lang_hooks_for_types): Add
2365 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2366 omp_predetermined_sharing, omp_disregard_value_expr,
2367 omp_private_debug_clause, omp_clause_default_ctor,
2368 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2369 (c_finish_omp_clauses): New.
2370 (c_finish_bc_stmt): Diagnose break within omp for.
2371 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2372 (build_unary_op): Return error_mark after reporting
2374 (build_modify_expr): Likewise.
2375 * gimplify.c: Include optabs.h and pointer-set.h.
2376 (enum gimplify_omp_var_data): Declare.
2377 (struct gimplify_omp_ctx): Declare.
2378 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2380 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2381 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2382 (splay_tree_compare_decl_uid): New.
2383 (new_omp_context): New.
2384 (delete_omp_context): New.
2385 (gimple_add_tmp_var): Call omp_add_variable.
2386 (gimplify_bind_expr): Likewise.
2387 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2388 true, disregard DECL_VALUE_EXPR on the decl if any.
2389 (gimplify_expr_in_ctx): New.
2390 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2391 omp_add_variable, omp_notice_variable, omp_is_private
2392 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2393 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2394 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2395 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2396 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2397 gimplify_omp_atomic): New.
2398 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2399 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2400 OMP_CRITICAL and OMP_ATOMIC.
2401 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2402 * c-pragma.h (enum pragma_kind): Add
2403 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2404 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2405 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2406 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2407 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2408 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2409 PRAGMA_OMP_THREADPRIVATE.
2410 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2411 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2412 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2413 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2414 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2415 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2416 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2417 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2418 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2419 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2420 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2421 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2422 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2424 (struct nesting_info): Add field_map,
2425 suppress_expansion, debug_var_chain.
2426 (create_nesting_tree): Initialize them.
2427 (lookup_field_for_decl): Use field_map.
2428 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2429 (convert_local_omp_clauses): New.
2430 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2431 (walk_body): Split out of walk_function.
2432 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2433 (convert_nonlocal_reference): Handle omp statements.
2434 (convert_local_reference): Likewise.
2435 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2436 (unnest_nesting_tree): New.
2437 (lower_nested_functions): Call it.
2438 (insert_field_into_struct): Make extern.
2439 (struct walk_stmt_info): Move to tree-gimple.h.
2440 (walk_stmts): Make extern.
2441 * omp-builtins.def: New file.
2442 * tree-iterator.c (expr_only): Clarify comment.
2443 * c-common.h (pushdecl_top_level, pushdecl,
2444 build_modify_expr, build_indirect_ref,
2445 c_finish_omp_master, c_finish_omp_critical,
2446 c_finish_omp_ordered, c_finish_omp_barrier,
2447 c_finish_omp_atomic, c_finish_omp_flush,
2448 c_finish_omp_for, c_split_parallel_clauses,
2449 omp_clause_default_kind, c_omp_sharing_predetermined,
2450 c_omp_remap_decl): Declare.
2451 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2452 (OBJS-common): Add omp-low.o.
2453 (c-omp.o, omp-low.o): Add.
2454 (gimplify.o): Add dependency on $(OPTABS_H).
2455 (GTFILES): Add omp-low.c.
2456 (gt-stringpool.h): Add.
2457 * tree-cfg.c (set_bb_for_stmt): Do not update the
2458 block-to-labels map if we are currently expanding to RTL.
2459 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2461 Handle IDENTIFIER_NODE.
2462 (tree_verify_flow_info): Do not ICE when emitting error
2463 messages about invalid labels.
2464 (dump_function_to_file): Reset CFUN before emitting the body
2466 (debug_function): New.
2467 * passes.c (init_optimization_passes): Schedule
2469 * langhooks-def.h (lhd_omp_predetermined_sharing,
2470 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2472 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2473 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2474 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2475 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2476 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2477 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2478 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2479 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2480 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2481 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2482 (LANG_HOOK_DECLS): Use them.
2484 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2485 Richard Henderson <rth@redhat.com>
2486 Jakub Jelinek <jakub@redhat.com>
2487 Diego Novillo <dnovillo@redhat.com>
2489 * c-parser.c (pragma_omp_clause): Define.
2490 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2491 (c_parser_compound_statement): Likewise.
2492 (c_parser_statement): Likewise.
2493 (c_parser_pragma): Handle omp pragmas.
2494 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2495 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2496 (c_parser_omp_clause_name, check_no_duplicate_clause,
2497 c_parser_omp_variable_list,
2498 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2499 c_parser_omp_clause_copyprivate,
2500 c_parser_omp_clause_default,
2501 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2502 c_parser_omp_clause_lastprivate,
2503 c_parser_omp_clause_nowait,
2504 c_parser_omp_clause_num_threads,
2505 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2506 c_parser_omp_clause_reduction,
2507 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2508 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2509 c_parser_omp_atomic, c_parser_omp_barrier,
2510 c_parser_omp_critical, c_parser_omp_flush,
2511 c_parser_omp_for_loop, c_parser_omp_for,
2512 c_parser_omp_master, c_parser_omp_ordered,
2513 c_parser_omp_sections_scope, c_parser_omp_sections,
2514 c_parser_omp_parallel, c_parser_omp_single,
2515 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2516 * c-pragma.c (init_pragma): Do omp pragma registration here.
2517 * c.opt (fopenmp): New flag.
2519 2006-01-18 Eric Christopher <echristo@apple.com>
2521 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2522 * config/darwin.h (GOMP_SELF_SPECS): Define.
2524 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2526 * rtl.h: Remove the prototype for reg_alloc.
2528 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2531 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2532 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2533 sjlj and dwarf2 exception handling.
2534 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2535 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2536 * pa/pa.c (function_value): Treat complex and vector types as
2538 (function_arg): Likewise. Only pass scalar floats in the floating
2539 point argument registers.
2540 * pa/t-slibgcc-dwarf-ver: New file.
2541 * pa/t-slibgcc-sjlj-ver: New file.
2542 * pa/t-slibgcc-elf-ver: Delete file.
2544 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2546 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2547 unlikely_test_section_p test.
2549 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2551 * mode-switching.c (optimize_mode_switching): Make it static.
2552 * basic-block.h: Remove the prototype for
2553 optimize_mode_switching.
2555 * modulo-sched.c (sms_schedule): Make it static.
2556 * rtl.h: Remove the prototype for sms_schedule.
2558 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2559 * rtl.h: Remove the prototype for gcse_after_reload_main.
2561 * reg-stack.c (reg_to_stack): Make it static.
2562 * rtl.h: Remove the prototype for reg_to_stack.
2564 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2566 * rtl.h: Remove the prototypes for regrename_optimize and
2567 copyprop_hardreg_forward.
2569 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2571 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2572 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2573 Test against the appropriate null constant for the mode.
2574 If 'fixup_overlap' is true, swap the operands if they overlap.
2575 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2576 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2577 alpha_split_tmode_pair and adjust for above change.
2578 * config/alpha/alpha.md (movtf_internal): Adjust call to
2579 alpha_split_tfmode_pair and rely on it to swap the operands.
2580 (movti_internal): New insn and post-reload splitter.
2581 (movti): New expander.
2583 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2585 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2588 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2590 * rtlanal.c (global_reg_mentioned_p_1,
2591 global_reg_mentioned_p): Remove.
2592 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2594 * flow.c (initialize_uninitialized_subregs): Make it static.
2595 * rtl.h: Remove the prototype for
2596 initialize_uninitialized_subregs.
2598 * function.c (instantiate_virtual_regs): Make it static.
2599 * function.h: Remove the prototype for
2600 instantiate_virtual_regs.
2602 * regmove.c (regmove_optimize, combine_stack_adjustments):
2604 * rtl.h: Remove the prototypes for regmove_optimize and
2605 combine_stack_adjustments.
2607 2006-01-17 Roger Sayle <roger@eyesopen.com>
2609 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2610 (size_cost): Encode costs in bytes so that a reg-reg addition is
2611 equivalent to COSTS_N_INSNS(1).
2612 (override_options): Use the size_cost.branch_cost as the default
2613 ix86_branch_cost when optimizing for size.
2615 2006-01-18 Ben Elliston <bje@au.ibm.com>
2617 * Makefile.in (D32PBIT_FUNCS): New.
2618 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2619 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2620 D64PBIT_FUNCS and D128PBIT_FUNCS.
2621 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2622 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2624 (decnumber_dep): Define.
2625 * doc/libgcc.texi (Decimal float library routines): New node.
2626 * config/dfp-bit.h, config/dfp-bit.c: New files.
2628 2006-01-18 Ben Elliston <bje@au.ibm.com>
2630 * expr.c (emit_move_change_mode): Always adjust addresses, not
2631 just during reload. Copy replacements only during reload.
2632 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2633 emit_move_via_integer.
2635 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2637 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2638 instead of $(srcdir) and ${srcdir}.
2640 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2644 * arm.h (struct machine_function): Add pic_reg.
2645 * arm.c (arm_pic_register): Make unsigned.
2646 (arm_override_options): Only set arm_pic_register if
2647 TARGET_SINGLE_PIC_BASE.
2648 (use_return_insn): Only test for a pic register if it is fixed.
2649 (arm_compute_save_reg0_reg12_mask): Likewise.
2650 (thumb_compute_save_reg_mask): Likewise.
2651 (legitimate_pic_operand): Factor out some known invariants.
2652 (legitimize_pic_address): If we don't have a fixed pic register,
2653 then set up a pseudo in the function entry sequence. Handle the
2654 pic base being in a pseudo.
2655 (arm_load_pic_register): Handle the pic register being in a pseudo.
2656 (arm_expand_prologue): Only set up the pic register if it is fixed.
2657 (thumb_expand_prologue): Likewise.
2658 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2659 (pic_load_addr_based_insn): Likewise.
2660 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2663 2006-01-18 Ben Elliston <bje@au.ibm.com>
2665 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2666 decimal float modes for all floating point registers.
2668 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2669 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2671 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2674 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2675 even when the pointer is not NULL.
2677 2006-01-16 Ian Lance Taylor <ian@airs.com>
2679 * common.opt (ftoplevel-reorder): New option.
2680 * cgraph.c (cgraph_asm_nodes): New global variable.
2681 (cgraph_asm_last_node): New static variable.
2682 (cgraph_order): New global variable.
2683 (cgraph_create_node): Set new order field.
2684 (cgraph_varpool_node): Likewise.
2685 (decide_is_variable_needed): Return true if not
2686 flag_toplevel_reorder.
2687 (cgraph_add_asm_node): New function.
2688 * cgraph.h (struct cgraph_node): Add order field.
2689 (struct cgraph_varpool_node): Add order field.
2690 (struct cgraph_asm_node): Define.
2691 (cgraph_asm_nodes, cgraph_order): Declare.
2692 (cgraph_add_asm_node): Declare.
2693 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2695 (cgraph_varpool_assemble_pending_decls): Call it.
2696 (cgraph_output_pending_asms): New static function.
2697 (cgraph_finalize_compilation_unit): Call it.
2698 (struct cgraph_order_sort): Define.
2699 (cgraph_output_in_order): New static function.
2700 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2701 !flag_toplevel_reorder case.
2702 * c-parser.c: Include "cgraph.h".
2703 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2705 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2706 than -fno-unit-at-a-time.
2707 * doc/invoke.texi (Option Summary): Mention
2708 -fno-toplevel-reorder.
2709 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2710 -funit-at-a-time documentation.
2712 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2713 Kazu Hirata <kazu@codesourcery.com>
2715 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2717 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2719 * Makefile.in (FUNCTION_H): New. Use it instead of
2720 function.h throughout the file.
2721 * function.h: Include tree.h.
2723 2006-01-17 Ben Elliston <bje@au.ibm.com>
2725 * recog.c: Separate some functions with whitespace.
2727 2006-01-16 Richard Henderson <rth@redhat.com>
2729 Merge from gomp branch:
2730 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2731 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2732 and rename from struct inline_data. Rename callee* to dst*;
2733 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2734 transform_new_cfg, transform_return_to_modify, and
2735 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2737 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2738 (copy_decl_for_dup): Remove.
2739 * tree-inline.c (struct inline_data): Move to header.
2740 (insert_decl_map): Export.
2741 (remap_decl): Update for member name changes. Use copy_decl hook.
2742 Allow for replacement to be a non-decl. Remove dead code.
2743 (remap_type_1): Check for existing mapping.
2744 (remap_type): Export.
2745 (remap_decls): Update for member name changes.
2746 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2747 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2748 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2749 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2750 (tree_function_versioning, build_duplicate_type): Likewise.
2751 (copy_body_r): Likewise. Export.
2752 (copy_decl_for_dup): Split into ...
2753 (copy_decl_for_dup_finish, copy_decl_to_var,
2754 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2755 (replace_ref_tree, inlining_p): Remove.
2757 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2759 * ifcvt.c (if_convert): Make it static.
2760 * rtl.h: Remove the prototype for if_convert.
2762 * local-alloc.c (local_alloc): Make it static.
2763 * rtl.h: Remove the prototype for local_alloc.
2765 * loop.c (loop_optimize): Make it static.
2766 * cfgloop.h: Remove the prototype for loop_optimize.
2769 2006-01-16 DJ Delorie <dj@redhat.com>
2771 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2774 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2776 * pa.md: Disparage copies between general and floating-point registers
2777 in 32-bit move patterns.
2779 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2782 * Makefile.in (check-%): Depend on site.exp instead of
2783 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2786 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2788 * global.c (global_alloc): Make it static.
2789 * rtl.h: Remove the prototype for global_alloc.
2791 2006-01-16 Richard Guenther <rguenther@suse.de>
2793 * tree-ssa-alias.c (struct used_part): Add write_only field.
2794 (get_or_create_used_part_for): Initialize it to true.
2795 (create_overlap_variables_for): Don't create structure variables
2796 for structures that only are written to.
2797 (find_used_portions): Handle MODIFY_EXPR to track whether a
2798 structure is only written to.
2800 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2802 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2804 * basic-block.h: Remove the prototype for
2805 partition_hot_cold_basic_blocks.
2807 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2809 * cppspec.c (lang_specific_spec_functions): Remove.
2810 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2811 * gcc.h (lang_specific_spec_functions): Remove.
2812 * gccspec.c (lang_specific_spec_functions): Remove.
2814 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2816 * combine.c (record_value_for_reg): Invalidate registers
2818 (record_dead_and_set_regs_1): Likewise, by passing them to
2819 record_value_for_reg.
2820 (record_dead_and_set_regs): Invalidate stores made by a
2821 call. We do not combine across a call, but we still
2822 relied on equivalences.
2824 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2826 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2827 vrp_int_const_binop returning non-constant nodes.
2829 2006-01-16 Paul Brook <paul@codesourcery.com>
2831 * config/m68k/m68k.c (output_move_const_into_data_reg):
2832 Output correct mnemonic for mvz and mvs.
2834 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2836 * rtl-factoring.c: Add sequence abstraction algorithm.
2837 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2838 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2840 (block_has_preserve_label): New function.
2841 * common.opt: Register new pass.
2842 * Makefile.in: Ditto.
2844 * timevar.def: Ditto.
2845 * tree-pass.h: Ditto.
2846 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2847 * rtl.h (make_jump_insn_raw): Add forward decl.
2848 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2850 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2851 Roger Sayle <roger@eyesopen.com>
2853 * fold-const.c (fold_minmax): New static function.
2854 (fold_binary) <MIN_EXPR>: Call it.
2855 <MAX_EXPR>: Likewise.
2856 * stor-layout.c (place_field): Use DECL_SIZE consistently
2857 in the computation of the new record size.
2859 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2861 * cse.c (cse_condition_code_reg): Make it static.
2862 * rtl.h: Remove the prototype for cse_condition_code_reg.
2864 * combine.c (combine_instructions): Make it static.
2865 * rtl.h: Remove the prototype for combine_instructions.
2867 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2870 * tree.c (get_file_function_name_long): Concatenate the first global
2871 object name with a string derived from the input filename of the object
2874 2006-01-16 Ben Elliston <bje@au.ibm.com>
2876 * config/i386/winnt-stubs.c: Update FSF address.
2877 * config/xtensa/ieee754-df.S: Ditto.
2878 * config/xtensa/ieee754-sf.S: Ditto.
2880 2006-01-14 Ian Lance Taylor <ian@airs.com>
2882 * ifcvt.c (noce_init_if_info): New static function, broken out of
2883 noce_process_if_block.
2884 (noce_process_if_block): Call noce_init_if_info.
2885 (check_cond_move_block): New static function.
2886 (cond_move_process_if_block): New static function.
2887 (process_if_block): Call cond_move_process_if_block.
2889 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2891 * cselib.c (hash_table): Rename to cselib_hash_table.
2892 (cselib_clear_table, discard_useless_values,
2893 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2894 cselib_init, cselib_finish): Adjust uses of hash_table.
2896 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2898 PR tree-optimization/25485
2899 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2900 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2901 is known to be false and true, respectively.
2903 2006-01-14 Richard Guenther <rguenther@suse.de>
2905 PR tree-optimization/22548
2906 PR tree-optimization/22555
2907 PR tree-optimization/22501
2908 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2909 * params.def (salias-max-array-elements): New parameter.
2910 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2911 * doc/invoke.texi (salias-max-array-elements): Document.
2912 * tree-flow-inline.h (var_can_have_subvars): We also handle
2914 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2916 * tree-ssa-structalias.c (params.h): Include.
2917 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2918 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2919 (get_constraint_for): For ADDR_EXPR operating on something
2920 containing an ARRAY_REF, add all subvars to the solution.
2921 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2922 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2923 for creating MUST_DEFs.
2924 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2926 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2928 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2930 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2931 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2932 number_of_iterations_le): New functions.
2933 (number_of_iterations_special): Removed.
2934 (number_of_iterations_exit): Do not use number_of_iterations_special.
2935 * tree.c (unsigned_type_for): Always return integer type.
2937 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2938 Richard Guenther <rguenther@suse.de>
2940 PR rtl-optimization/24257
2941 * gcse.c (find_moveable_store): Only consider a store movable
2942 when the SET_SRC of the insn can be assigned to a register.
2944 2006-01-14 Ian Lance Taylor <ian@airs.com>
2946 * tree.c (tree_not_class_check_failed): New function.
2947 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2948 (tree_not_class_check_failed): Declare.
2950 2006-01-13 Ian Lance Taylor <ian@airs.com>
2952 * reload1.c (do_output_reload): Add assertion rejecting a
2955 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2957 * combine.c (struct reg_stat): Add new fields truncation_label and
2959 (record_value_for_reg): Reset truncated_to_mode.
2960 (record_truncated_value): New function.
2961 (check_promoted_subreg): Call it. Rename to check_conversions.
2962 (combine_instructions): Rename check_promoted_subreg to
2964 (reg_truncated_to_mode): New function.
2965 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2966 (gen_lowpart_or_truncate): New function.
2967 (force_to_mode): Use it instead of gen_lowpart.
2969 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2971 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2972 VAR is a tag, not its type tag.
2974 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2976 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2977 alternatives to match style of other entries.
2978 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2980 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2982 PR tree-optimization/25771
2983 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2986 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2989 * tree-inline.c (declare_return_variable): If the return variable
2990 was marked as a non gimple complex, set the return slot variable
2991 to be a non gimple comple variable.
2993 2006-01-13 Richard Guenther <rguenther@suse.de>
2995 * builtins.c (expand_builtin_sincos): New function.
2996 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2998 (expand_builtin): Expand sincos using expand_builtin_sincos.
3000 2006-01-12 DJ Delorie <dj@redhat.com>
3002 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3003 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3004 so that constant shifts can be split.
3005 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3006 (m32c_valid_pointer_mode): Make static.
3007 (shift_gen_func_for): New.
3008 (m32c_prepare_shift): Use it. Split large const shifts into
3010 * config/m32c/predicates.md (shiftcount_operand): Allow more
3012 (longshiftcount_operand): New.
3013 * doc/md.texi (Machine Constraints): Document In6.
3015 2006-01-13 Ben Elliston <bje@au.ibm.com>
3017 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3018 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3021 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3023 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3024 to try to avoid clobbering pieces of structures when we know
3025 something about the whole structure.
3026 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3028 2006-01-13 Ben Elliston <bje@au.ibm.com>
3030 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3031 return in memory, as this is no limitation is no longer present.
3033 2006-01-12 DJ Delorie <dj@redhat.com>
3035 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3036 mova with fb, and for fb+0 -> An.
3038 * config/m32c/mov.md (peephole2): Fix enabling logic.
3040 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3041 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3042 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3043 FINI_ARRAY_SECTION_ASM_OP): Define.
3045 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3047 (m32c_legitimize_reload_address): New logic to reload FB to An.
3048 (m32c_output_reg_push): Add newline.
3049 (m32c_output_reg_pop): Likewise.
3051 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3053 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3055 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3057 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3059 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3061 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3064 2006-01-11 Ben Elliston <bje@au.ibm.com>
3066 * rtlanal.c (find_reg_note): Assert insn is not null.
3068 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3070 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3073 2006-01-11 Jeff Law <law@redhat.com>
3075 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3077 (mark_threaded_blocks, register_jump_thread): New functions.
3078 (thread_through_all_blocks): Remove unwanted argument. No
3079 longer rely on e->aux to communicate thread target info.
3080 Call mark_threaded_blocks. Release the threaded_blocks
3081 bitmap and threaded_edges vector when complete.
3082 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3083 (threaded_blocks): Remove.
3084 (tree_ssa_dominator_optimize): Remove initialization and
3085 finalization of threaded_blocks. Simplify call to
3086 thread_through_all_blocks.
3087 (thread_across_edge): Call register_jump_thread rather than
3088 storing thread information into e->aux.
3089 (free_all_edge_infos): Simplify now that e->aux is no longer
3090 used to communicate with thread_through_all_blocks.
3091 * tree-flow.h (thread_through_all_blocks): Update prototype.
3092 (register_jump_thread): Prototype.
3094 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3096 * df-core.c (df_compact_blocks, df_bb_replace): Use
3097 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3099 2006-01-11 Richard Guenther <rguenther@suse.de>
3101 PR tree-optimization/25734
3102 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3103 stop propagation after successful propagation to the LHS.
3105 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3107 * basic-block.h (control_flow_graph): Change the type of
3108 x_basic_block_info to VEC(basic_block,gc) *.
3109 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3111 (SET_BASIC_BLOCK): New.
3112 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3113 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3114 * cfgbuild.c (find_basic_blocks): Likewise.
3115 * cfglayout.c (fixup_reorder_chain): Likewise.
3116 * cfgrtl.c (create_basic_block_structure,
3117 rtl_create_basic_block): Likewise.
3118 * ifcvt.c (find_if_case_1): Likewise.
3119 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3122 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3124 * Makefile.in: Removed rotted odf.c entry.
3126 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3129 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3130 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3131 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3132 output pattern modifier, not %e.
3133 * config/cris/cris.c (cris_op_str): Update comment about pattern
3135 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3136 before falling through into...
3137 <case 'E'>: Redefined from old 'e' case.
3139 2006-01-11 Jan Hubicka <jh@suse.cz>
3142 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3144 2006-01-11 Jan Hubicka <jh@suse.cz>
3146 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3147 * i386.c (x86_decompose_lea): Kill.
3148 (ix86_rtx_costs): Kill.
3150 2006-01-11 Jan Hubicka <jh@suse.cz>
3152 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3153 * cgraph.h (cgraph_node): Add inline_decl.
3154 (cgraph_insert_node_to_hashtable): Declare.
3155 (save_inline_function_body): Declare.
3156 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3158 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3159 (cgraph_function_versioning): Update call of tree_function_versioning.
3160 (save_inline_function_body): New function.
3161 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3162 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3163 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3164 (cgraph_default_inline_p): Likewise.
3165 (cgraph_decide_inlining_incrementally): Likewise.
3166 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3167 (copy_bb): Kill saving; do updating of clones.
3168 (copy_cfg_body): Kill saving.
3169 (initialize_inlined-parameters): Likewise.
3170 (expand_call_inline): Likewise.
3172 (tree_function_versioning): New parameter "update_clones".
3173 (inlining_p): Kill saving.
3174 * tree-inline.h (tree_function_versioning): Update prototype.
3175 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3178 2006-01-11 Ian Lance Taylor <ian@airs.com>
3180 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3181 Allow undoing set of machine mode.
3182 (do_SUBST): Use enums instead of is_int.
3183 (do_SUBST_MODE): New function.
3184 (SUBST_MODE): New macro.
3185 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3186 reg and trying to replace reg_regno_rtx with a new register.
3187 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3188 (simplify_set): Use SUBST_MODE.
3189 (distribute_notes): Remove code that tried to update reg notes
3190 for regno_reg_rtx changes.
3192 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3194 PR tree-optimization/23109
3195 PR tree-optimization/23948
3196 PR tree-optimization/24123
3198 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3199 * tree-cfg.c (single_noncomplex_succ): New.
3200 * tree-flow.h (single_noncomplex_succ): Declare it.
3201 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3202 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3203 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3204 insert_bb, register_division_in, insert_reciprocals,
3205 replace_reciprocal, free_bb): New.
3206 (execute_cse_reciprocals_1): Rewritten.
3207 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3208 Do not commit any edge insertion. Always compute dominators and
3209 create the allocation pool.
3210 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3211 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3212 * targhooks.c (default_min_divistions_for_recip_mul): New.
3213 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3214 * passes.c (init_optimization_passes): Run recip after tree loop
3216 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3218 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3219 Kenneth Zadeck <zadeck@naturalbridge.com>
3221 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3222 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3223 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3224 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3225 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3226 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3227 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3228 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3229 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3230 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3231 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3232 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3233 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3234 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3235 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3236 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3237 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3238 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3239 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3240 DF_SCAN_POST_ALLOC): New macros.
3241 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3242 df_free_bb_function, df_local_compute_function, df_init_function,
3243 df_dataflow_function, df_confluence_function_0,
3244 df_confluence_function_n, df_transfer_function,
3245 df_finalizer_function, df_free_function, df_dump_problem_function,
3246 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3247 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3248 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3249 df_urec_bb_info, ) New types.
3250 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3252 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3253 df_analyze_simple_change_some_blocks,
3254 df_analyze_simple_change_one_block, df_compact_blocks,
3255 df_bb_replace, df_bb_regno_last_use_find,
3256 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3257 df_insn_regno_def_p, df_find_def, df_find_use,
3258 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3259 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3260 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3261 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3262 debug_df_chain, df_get_dependent_problem, df_chain_create,
3263 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3264 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3265 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3266 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3267 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3268 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3269 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3270 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3271 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3272 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3273 df_reorganize_refs, df_set_state, df_hard_reg_init,
3274 df_read_modify_subreg_p) New public functions.
3275 * df-core.c: The core dataflow solver and glue routines for rtl
3277 (df_init, df_add_problem, df_set_blocks, df_finish,
3278 df_hybrid_search_forward, df_hybrid_search_backward,
3279 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3280 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3281 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3282 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3283 df_reg_defined, df_find_use, df_reg_used, df_dump,
3284 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3285 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3286 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3287 debug_df_useno, reset_df_after_reload): New functions.
3288 * df-scan.c: The scanning fuctions, once in df.c, completely
3289 rewritten so that they now fully model the functionality of
3290 register usage at the backend.
3291 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3292 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3293 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3294 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3295 df_get_artificial_defs, df_get_artificial_uses,
3296 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3297 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3298 df_refs_delete, df_reorganize_refs, df_set_state,
3299 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3300 df_def_record_1, df_defs_record, df_uses_record,
3301 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3302 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3303 df_record_exit_block_uses, df_hard_reg_init): New functions.
3305 * df-problems.c: Seven concrete dataflow problems that use the
3306 scanning in df-scan.c and are solved by the engine in df-core.c.
3307 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3308 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3309 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3310 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3311 df_ru_free_bb_info, df_ru_alloc,
3312 df_ru_bb_local_compute_process_def,
3313 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3314 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3315 df_ru_transfer_function, df_ru_free, df_ru_dump,
3316 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3317 df_rd_free_bb_info, df_rd_alloc,
3318 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3319 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3320 df_rd_transfer_function, df_rd_free, df_rd_dump,
3321 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3322 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3323 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3324 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3325 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3326 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3327 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3328 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3329 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3330 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3331 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3332 df_urec_mark_reg_use_for_earlyclobber,
3333 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3334 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3335 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3336 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3337 df_chain_create_bb_process_use, df_chain_create_bb,
3338 df_chain_finalize, df_chain_free, df_chains_dump,
3339 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3340 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3341 df_reg_lifetime): New functions.
3342 * df.c: Deleted file.
3343 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3344 consistent with new df api.
3345 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3346 rest_of_handle_sms): Ditto.
3347 * web.c (unionfind_union, union_defs, entry_register, web_main):
3349 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3350 invariant_expr_equal_p, find_defs, check_dependencies,
3351 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3352 free_inv_motion_data, move_loop_invariants): Ditto.
3353 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3354 Update dependencies.
3355 (odf.c): Added defective entry that was deleted later in day.
3356 * sched-deps.c (sched_analyze_1): Ditto.
3358 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3360 * tree-ssa-operands.c (get_expr_operands): Record addressable
3361 variables directly. Do not call add_stmt_operands for CONST_DECLs
3363 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3364 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3366 2006-01-11 Ben Elliston <bje@au.ibm.com>
3368 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3369 function returns true in the positive case.
3371 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3374 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3375 for SI, DI, SF and DF modes. Add alternatives to copy between
3376 general and floating point registers to the 32-bit patterns.
3377 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3378 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3379 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3380 generating 64-bit code.
3381 * config/pa/pa.c (output_move_double): Handle copies between general
3382 and floating registers.
3384 2006-01-10 Stuart Hastings <stuart@apple.com>
3386 * config/i386/i386.md (set_got): Update.
3387 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3388 (builtin_setjmp_receiver): Mach-O support.
3389 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3390 (GOT_SYMBOL_NAME): Define.
3391 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3392 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3393 * config/i386/i386.c (override_options): Revise for Darwin.
3394 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3395 support. (darwin_x86_file_end): New. (output_set_got): Add label
3396 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3397 * config/i386/i386-protos.h (output_set_got): Likewise.
3398 * config/darwin.c (machopic_legitimize_pic_address): Update
3401 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3403 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3404 when MODE isn't BLKmode.
3406 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3408 PR rtl-optimization/25367
3409 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3411 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3414 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3415 for a negative bound.
3417 2006-01-10 Richard Guenther <rguenther@suse.de>
3419 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3420 Never override with anything constraint.
3422 2006-01-10 Jan Beulich <jbeulich@novell.com>
3424 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3425 256 bits when optimize_size.
3427 2006-01-10 Jan Beulich <jbeulich@novell.com>
3429 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3431 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3432 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3435 2006-01-10 Ben Elliston <bje@au.ibm.com>
3437 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3439 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3440 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3441 (USE_FP_FOR_ARG): Reject decimal float modes.
3442 (function_arg_advance): Likewise.
3443 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3444 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3445 point types in AltiVec vectors.
3446 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3447 (rs6000_libcall_value): Likewise.
3449 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3451 * config/xtensa/ieee754-df.S: New file.
3452 * config/xtensa/ieee754-sf.S: New file.
3453 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3454 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3455 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3457 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3459 * config/sh/predicates.md (binary_float_operator,
3460 binary_logical_operator, commutative_float_operator,
3461 equality_comparison_operator, greater_comparison_operator,
3462 less_comparison_operator, logical_operator,
3463 noncommutative_float_operator, shift_operator,
3464 symbol_ref_operand, unary_float_operator): Remove redundant
3467 2006-01-09 Jeff Law <law@redhat.com>
3469 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3470 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3471 now unused arguments. Callers updated.
3472 (eliminate_redundant_computations): Remove now unused arguments,
3474 (local_fold): Remove, no longer used.
3475 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3477 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3478 (simplify_cond): New function.
3479 (forward_propagate_into_cond): Call simplify_cond.
3481 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3483 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3484 (*vec_extractv2di_1_sse): New.
3486 2006-01-09 Ben Elliston <bje@au.ibm.com>
3488 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3490 2006-01-08 Richard Guenther <rguenther@suse.de>
3492 * tree-ssa-structalias.c (get_constraint_for): Remove
3494 (get_constraint_for_component_ref): Likewise.
3495 (do_deref): Likewise.
3496 (get_constraint_for): Likewise.
3497 (do_structure_copy): Likewise.
3498 (handle_ptr_arith): Likewise.
3499 (find_func_aliases): Likewise. Remove unused need_anyoffset
3502 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3503 Kaz Kojima <kkojima@gcc.gnu.org>
3505 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3506 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3507 (EXTRA_CONSTRAINT_C16): Remove.
3508 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3509 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3510 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3511 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3512 constants of SHmedia. Handle nested constant expressions of
3514 (andcosts): Fix the costs for SHmedia constants.
3515 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3516 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3517 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3518 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3519 (movv4hi_i, movv2si_i): Likewise.
3520 (movsi_const): Adjust the second operand of ior so to match with
3522 (movdi_const, movdi_const_32bit): Likewise.
3523 (movdi_const_16bit+1): Don't sign-extend LOW.
3524 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3526 (*double_shori): Fix the split condition. Use GEN_INT instead
3527 of get_int_mode calls. Mask lower 16-bit of the argument of
3529 (sym2GOTPLT): Remove.
3530 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3532 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3533 instead of EXTRA_CONSTRAINT_C16.
3535 2006-01-07 Ian Lance Taylor <ian@airs.com>
3536 David Edelsohn <edelsohn@gnu.org>
3538 PR rtl-optimization/25662
3539 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3540 for constant operands instead of simplify_gen_binary.
3541 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3542 after trying simplify_binary_operation
3544 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3546 * tree.c (iterative_hash_expr): Hash decls based on UID.
3548 2006-01-06 Eric Christopher <echristo@apple.com>
3550 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3551 (TARGET_UNWIND_EMIT): Fix spelling.
3552 * target.h (gcc_target): Add except_table_label.
3553 * except.c (output_function_exception_table): Use.
3554 * varasm.c (default_emit_except_table_label): New.
3555 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3557 (asm_out): Add here.
3558 * output.h (default_emit_except_table_label): Prototype.
3559 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3560 * config/darwin.c (darwin_emit_except_table_label): Define.
3561 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3563 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3565 PR tree-optimization/18527
3566 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3567 number_of_iterations_special, number_of_iterations_exit):
3568 Move base and step of an iv to a single structure. Add
3569 no_overflow flag, and use it in # of iterations analysis.
3570 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3571 folded_casts argument.
3572 (simple_iv): Pass base and step in a structure. Set no_overflow
3574 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3575 Evaluate expensiveness of computing # of iterations instead of
3576 the final expression.
3577 * tree-scalar-evolution.h (affine_iv): New structure.
3578 (simple_iv): Declaration changed.
3579 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3580 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3581 find_givs_in_stmt): Changed due to simple_iv change.
3583 2006-01-06 Jeff Law <law@redhat.com>
3586 * tree-cfg.c (bsi_replace): Rename final argument from
3587 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3588 change (stmt -> orig_stmt).
3589 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3590 (bsi_remove): Add new argument. Remove EH information
3592 (verify_eh_throw_table_statements): New function.
3593 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3595 * tree-optimize.c (execute_free_cfg_annotations): Verify
3596 the EH throw statement table after removing annotations.
3597 * except.h (verify_eh_throw_table_statements): Prototype.
3598 * tree-flow.h (bsi_remove): Update prototype.
3599 * tree-vrp.c (remove_range_assertions): Add new argument to
3601 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3602 * tree-complex.c (expand_complex_div_wide): Likewise.
3603 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3604 * tree-tailcall.c (eliminate_tailcall): Likewise.
3605 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3606 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3607 * tree-nrv.c (tree_nrv): Likewise.
3608 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3609 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3610 (combine_blocks): Likewise.
3611 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3612 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3613 (cleanup_control_flow): Likewise.
3614 (remove_forwarder_block): Likewise.
3615 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3616 * tree-sra.c (sra_replace): Likewise.
3617 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3618 (forward_propagate_single_use_vars): Likewise.
3619 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3620 * tree-inline.c (expand_call_inline): Likewise.
3621 * tree-vect-transform.c (vect_transform_loop): Likewise.
3622 * tree-outof-ssa.c (rewrite_trees): Likewise.
3623 * tree-cfg.c (make_goto_expr_edges): Likewise.
3624 (cleanup_dead_labels): Likewise.
3625 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3626 (bsi_move_before, bsi_move_after): Likewise.
3627 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3628 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3630 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3633 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3635 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3636 on non gimple variables. Also add checks at the top for decls and
3638 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3640 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3641 and IMAGPART_EXPR for creating MUST_DEFs.
3642 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3643 and NAME_MEMORY_TAG separately from the DECLs.
3645 2006-01-06 Richard Guenther <rguenther@suse.de>
3647 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3648 annotation, if necessary.
3649 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3650 redundant calls to update_stmt.
3651 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3654 2006-01-05 Richard Henderson <rth@redhat.com>
3656 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3658 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3660 * c-typeck.c: Update copyright date.
3662 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3664 * c-typeck.c (build_c_cast): Always warn when casting
3665 from a pointer to an integer of different size, even if
3666 the node was constant.
3668 2006-01-05 Richard Guenther <rguenther@suse.de>
3670 PR tree-optimization/22555
3671 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3672 if one structure field is an array.
3673 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3674 operands even if we found a subvar, but ignore VOPs in this
3676 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3678 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3680 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3683 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3685 2006-01-05 Richard Guenther <rguenther@suse.de>
3686 Diego Novillo <dnovillo@redhat.com>
3688 * tree-pass.h (TODO_remove_unused_locals): Define.
3689 * gimple-low.c (expand_var_p, remove_useless_vars,
3690 pass_remove_useless_vars): Remove. Update all users.
3691 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3692 (remove_unused_locals): New function.
3693 * tree-flow.h (remove_unused_locals): Declare.
3694 * passes.c (execute_todo): Call remove_unused_locals if
3695 TODO_remove_unused_locals is set.
3696 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3697 * tree-ssa-dce.c (pass_dce): Likewise.
3698 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3700 2006-01-05 Richard Guenther <rguenther@suse.de>
3702 * tree-flow.h (struct fieldoff): Decompose field to
3703 type, size and decl.
3704 * tree-ssa-alias.c (create_sft): Take type as parameter.
3705 (create_overlap_variables_for): Store type, size and decl
3706 in the fieldoff structure.
3707 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3709 (push_fields_onto_fieldstack): Likewise.
3710 (create_variable_info_for): Likewise. Use offset for the
3711 SFT name if the decl is not available.
3713 2006-01-04 Paul Brook <paul@codesourcery.com>
3715 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3717 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3719 * lambda-code.c (can_put_in_inner_loop): Relax
3721 (can_put_after_inner_loop): New function.
3722 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3723 (perfect_nestify): Change to make copies and modify uses.
3725 2006-01-04 Richard Henderson <rth@redhat.com>
3727 Merge from gomp branch:
3728 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3729 via integer constant.
3730 (pragma_lex): Remove.
3731 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3732 rather than parsing it.
3733 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3734 handle_pragma_extern_prefix): Add %< %> quotes.
3735 (registered_pragmas): New.
3736 (c_register_pragma_1): New.
3737 (c_register_pragma): Use it.
3738 (c_register_pragma_with_expansion): Likewise.
3739 (c_invoke_pragma_handler): New.
3740 (init_pragma): Use cpp_register_deferred_pragma directly for
3742 * c-pragma.h (enum pragma_kind): New.
3743 (pragma_handler): New.
3744 (c_invoke_pragma_handler): Declare.
3745 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3747 * c-common.h (c_common_pch_pragma): Update decl.
3748 * Makefile.in (c-parser.o): Update dependencies.
3749 (GTFILES): Add c-pragma.h.
3750 * c-parser.c (struct c_token): Add pragma_kind.
3751 (struct c_parser): Add in_pragma.
3752 (c_lex_one_token): Always initialize keyword and pragma_kind.
3753 Extract data for CPP_PRAGMA.
3754 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3755 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3756 Don't allow CPP_PRAGMA_EOL if in_pragma.
3757 (c_parser_consume_pragma): New.
3758 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3759 (c_parser_skip_to_end_of_parameter): Likewise.
3760 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3761 (c_parser_skip_to_pragma_eol): New.
3762 (c_parser_external_declaration): Handle CPP_PRAGMA.
3763 (c_parser_compound_statement_nostart): Likewise.
3764 (c_parser_statement_after_labels): Likewise.
3765 (c_parser_pragma): New.
3766 (pragma_lex): Likewise.
3767 (c_parser_pragma_pch_preprocess): New.
3768 (c_parser_new): Merge into ...
3769 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3771 2006-01-04 Jeff Law <law@redhat.com>
3774 * tree-cfg.c (bsi_replace): Remove the original statement
3775 from the EH throw statement table.
3777 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3779 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3780 make the prototype extern "C" and add throw ().
3783 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3784 and pos non-negative and pos + len <= 32.
3785 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3786 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3787 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3790 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3791 as well as sizes not multiple of component size.
3794 * function.c (instantiate_expr): New function.
3795 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3796 walk its DECL_VALUE_EXPR with instantiate_expr.
3798 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3799 DW_OP_deref{,_size} if address isn't going to be added.
3801 2006-01-04 Ben Elliston <bje@au.ibm.com>
3803 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3804 * config/fp-bit.c: Likewise.
3806 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3808 * dominance.c: Add comment about why we use DFS numbering
3811 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3812 Richard Henderson <rth@redhat.com>
3814 Merge from gomp-branch:
3815 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3816 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3818 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3820 PR rtl-optimization/25578
3821 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3822 pass a parameter to simplify_shift_const if changing ASHIFTRT
3825 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3827 * builtins.c (get_builtin_sync_mem): New function.
3828 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3829 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3830 Call get_builtin_sync_mem to generate mem rtx.
3832 2006-01-03 Richard Guenther <rguenther@suse.de>
3835 * stmt.c (add_case_node): Make sure to clear overflow flags
3838 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3840 Merge from gomp-branch.
3841 * config/sparc/sync.md: New file.
3842 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3843 UNSPECV_LDSTUB): New constants.
3844 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3845 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3846 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3849 2006-01-03 Roger Sayle <roger@eyesopen.com>
3851 * combine.c (reg_subword_p): New predicate to test whether the
3852 destination of a set refers to a subword/piece of a register.
3853 (try_combine): Generalize the code to merge the setting of a
3854 pseudo to a constant followed by a set of a subword of that
3855 register to a constant.
3857 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3859 * basic-block.h (control_flow_graph): Change the type of
3860 x_label_to_block_map to VEC(basic_block,gc) *.
3861 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3862 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3864 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3865 VEC(basic_block,heap) *.
3866 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3867 ssa_prop_fini): Adjust the uses of cfg_blocks.
3869 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3871 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3873 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3874 hashing trees instead of a pointer hash.
3875 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3876 compare for MEM_EXPR.
3878 PR rtl-optimization/25130
3879 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3880 when comparing MEMs for GCSE
3882 2006-01-03 Ben Elliston <bje@au.ibm.com>
3884 * targhooks.h (default_decimal_float_supported_p): Declare.
3885 * targhooks.c (default_decimal_float_supported_p): Define.
3886 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3887 `default_decimal_float_supported_p'.
3888 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3890 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3892 * combine.c (apply_distributive_law <SUBREG>): Check
3893 TRULY_NOOP_TRUNCATION.
3895 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3897 * dwarf2out.c (have_switched_text_section): Delete.
3898 (have_multiple_function_sections): New.
3899 (have_location_lists): Make 'bool'.
3900 (add_AT_loc_list): Use 'true' not '1'.
3901 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3902 (output_loc_list): Use have_multiple_function_sections.
3903 (output_ranges): Likewise.
3904 (dwarf2out_begin_function): Set have_multiple_function_sections if
3906 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3907 Check function_section rather than DECL_SECTION_NAME.
3908 (dwarf2out_finish): Use have_multiple_function_sections.
3909 Don't clear have_location_lists.
3911 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3912 Jan Hubicka <jh@suse.cz>
3914 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3915 case of conditional jump jumping to the next instruction.
3916 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3917 cases of conditional jump jumping to the next instruction.
3919 2006-01-02 Jan Hubicka <jh@suse.cz>
3921 * i386.c (*_cost): Add COSTS_N_INSNS.
3922 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3924 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3927 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3929 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3931 * config/arm/arm.c (all_fpus): Fix comment typo.
3932 * config/darwin.c: Likewise.
3933 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3934 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3935 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3937 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3939 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3940 (rs6000_split_compare_and_swapqhi): New.
3941 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3942 (sync_compare_and_swapqhi_internal): New.
3943 * config/rs6000/rs6000-protos.h: Declare.