1 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4 (s390x-*-linux*): Likewise.
5 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6 * config/s390/t-linux: New file.
8 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16 (ANTIC_SAFE_LOADS): New macro.
17 (find_or_generate_expression): Add prototype.
18 (set_contains_value): Allow null set for sake of not always having
19 to allocate ANTIC_SAFE_LOADS.
20 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
21 Allow COMPONENT_REF too.
22 (valid_in_set): Allow COMPONENT_REF.
23 Check ANTIC_SAFE_LOADS too.
24 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
25 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
27 (can_PRE_operation): Add COMPONENT_REF.
28 (create_component_ref_by_pieces): New function.
29 (create_expression_by_pieces): Use create_component_ref_by_pieces.
30 (insert_aux): Move AGGREGATE_TYPE_P check here.
31 (compute_avail): Set bb local stmt uids.
32 (pass_pre): Use TODO_update_ssa_only_virtuals.
34 2006-02-06 Ben Elliston <bje@au.ibm.com>
36 * configure.ac: Unconditionally disable decimal float by default.
37 * configure: Regenerate.
39 2006-02-06 Ben Elliston <bje@au.ibm.com>
41 * read-rtl.c (read_name): Terminate reading on EOF.
43 2006-02-06 Ben Elliston <bje@au.ibm.com>
45 * dfp.c (decimal_real_arithmetic): Change second argument type
46 from int to enum tree_code. Do not always return true, but now
47 return result of any call to decimal_do helper functions.
48 * dfp.h (decimal_real_arithmetic): Update prototype.
50 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
52 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
54 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
57 * tree-cfg.c (cleanup_dead_labels): Also don't remove
60 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
62 * tree-vrp.c (cfg_loops): Removed.
63 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
64 Use current_loops instead of cfg_loops. Pass flags to
66 * cfgloopmanip.c (fix_loop_structure): Update only available
68 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
70 * modulo-sched.c (build_loops_structure): Removed.
71 (sms_schedule): Use loop_optimizer_init.
72 * loop-init.c (loop_optimizer_init): Use flags to determine
73 which properties of loops to prepare.
74 (rtl_loop_init): Pass flags to loop_optimizer_init.
75 * tree-ssa-sink.c (execute_sink_code): Ditto.
76 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
77 * tree-ssa-pre.c (init_pre): Ditto.
78 * cfgloop.h (LOOPS_NORMAL): New.
79 (loop_optimizer_init): Declaration changed.
81 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
83 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
84 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
86 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
88 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
90 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
91 * pa/t-pa64: Delete quadlib.c rule.
92 * pa/x-ada: Revert last change.
93 * pa/t-pa: Revert last change. Delete quadlib.c rule.
95 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
97 PR rtl-optimization/26087
98 * rtlanal.c (canonicalize_condition): Do not cross basic block
101 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
104 * config/ia64/ia64.c: Include debug.h.
105 (MAX_ARTIFICIAL_LABEL_BYTES): New.
106 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
107 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
108 (process_epilogue, process_set, process_for_unwind_directive):
109 Output unwind info only if requested. Add CFA info if requested.
110 Add new arguments as needed. Adjust callers.
111 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
113 (DWARF2_FRAME_INFO): Define to zero.
114 * config/ia64/unwind-ia64.c: Remove code that compensated for
115 the CFA offset error fixed above.
116 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
117 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
118 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
119 -funwind-tables and -fexceptions to enable frame info.
120 (dwarf2out_frame_init): Define initial CFA even if
121 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
122 DWARF2_UNWIND_INFO is nonzero, not just defined.
123 (dwarf2out_frame_finish): Output non-EH call frame info only
124 if DWARF2_FRAME_INFO is nonzero.
125 (convert_cfa_to_loc_list,
126 compute_frame_pointer_to_cfa_displacement): Define even if
127 unwind info is not supported.
128 (gen_subprogram_die): Use the above unconditionally. Remove
129 legacy alternate code.
130 * toplev.c (compile_file): Compile in call to
131 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
132 (lang_dependent_init): Ditto for dwarf2out_frame_init.
134 2006-02-04 David Edelsohn <edelsohn@gnu.org>
135 Jakub Jelinek <jakub@redhat.com>
137 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
138 IBM extended float format long double as "g" on powerpc*-linux.
140 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
143 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
144 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
146 2006-02-03 Jason Merrill <jason@redhat.com>
149 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
152 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
153 on the return slot if it's an NRV.
155 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
157 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
158 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
159 rewrite_use): Do not handle USE_OUTER.
160 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
161 add_iv_outer_candidates, may_replace_final_value,
162 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
163 (find_interesting_uses_op): Functionality of
164 find_interesting_uses_outer_or_nonlin moved here.
165 (find_interesting_uses_outside): Use find_interesting_uses_op.
167 2006-02-03 Alan Modra <amodra@bigpond.net.au>
170 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
172 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
173 Ulrich Weigand <uweigand@de.ibm.com>
176 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
177 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
178 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
179 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
181 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
182 (s390_rtx_costs): Use the new fields to calculate rtx costs.
183 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
184 Define secondary reloads for TFmode moves.
185 (constant_modes): Add TFmode.
186 (NR_C_MODES): Set to 8.
187 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
189 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
190 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
191 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
192 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
193 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
194 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
195 (FPR mode macro): Add TFmode.
196 (DSF mode macro): New.
197 (<de>, <dee> mode attributes): Removed.
198 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
199 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
200 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
201 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
202 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
203 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
204 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
205 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
206 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
207 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
208 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
209 "*negabs<mode>2", "sqrt<mode>2"):
210 Changed <de> to <xde>. R constraint replaced by <Rf>.
211 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
213 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
214 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
215 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
217 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
218 "extenddftf2", "extendsftf2"): New expanders.
219 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
220 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
221 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
222 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
224 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
225 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
226 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
227 __floatditf): Add a GCC_4.1.0 symbol version tag.
228 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
231 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
234 * config/i386/i386.c (ix86_function_ok_for_sibcall):
235 Use targetm.binds_local_p instead of TREE_PUBLIC.
237 2006-02-02 Roger Sayle <roger@eyesopen.com>
239 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
240 on INTEGER_TYPEs to indicate that it denotes a character type.
241 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
242 signed_char_type_node, unsigned_char_type_node and char_type_node.
243 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
244 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
245 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
247 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
248 Daniel Berlin <dberlin@dberlin.org>
250 * tree-tailcall.c (arg_needs_copy_p): New function.
251 (eliminate_tail_call): Use arg_needs_copy_p.
252 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
253 (add_virtual_phis): New function.
255 2006-02-02 Jakub Jelinek <jakub@redhat.com>
257 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
258 #ignore instead of #scratch for %g7 .register directive.
260 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
262 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
265 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
267 * flow.c (calculate_global_regs_live): Assert that there aren't any
270 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
272 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
274 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
275 bsi_after_labels iterator.
276 * tree-if-conv.c (find_phi_replacement_condition,
277 replace_phi_with_cond_modify_expr): Likewise.
278 * tree-scalar-evolution.c (scev_const_prop): Likewise.
279 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
281 2006-02-02 Diego Novillo <dnovillo@redhat.com>
283 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
285 2006-02-02 Diego Novillo <dnovillo@redhat.com>
288 * tree-cfg.c (move_block_to_fn): Clear out the basic block
289 array after growing it.
291 2006-02-01 Steve Ellcey <sje@cup.hp.com>
294 * fold-const.c (fold_checksum_tree): Change type of buf.
296 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
298 * reload.c (push_secondary_reload): Initialize t_icode.
300 2006-02-01 Jakub Jelinek <jakub@redhat.com>
302 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
303 -msoft-float -mlong-double-128 only issue a warning, but don't
304 swich to DFmode long double.
306 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
308 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
309 has a constant equivalent, iterate over equivalents for arg0,
310 calling simplify_relational_operation and if there's a result
311 cheaper than X, apply fold_rtx and return the result.
313 2006-02-01 Jan Hubicka <jh@suse.cz>
315 * opts.c (no_unit_at_a_time_default): New global variable.
316 (decode_options): Use it.
317 * opts.h (no_unit_at_a_time_default): Declare.
319 2006-02-01 Paul Brook <paul@codesourcery.com>
321 * function.c (assign_parm_setup_reg): Use function argument promotion
323 * expr.c (expand_expr_real_1): Use function argument promotion rules
326 2006-02-01 Steve Ellcey <sje@cup.hp.com>
328 * gcc.c (process_command): Change j to 'unsigned int'.
330 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
333 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
334 Use the corrected index for the character
335 out of the string constant.
337 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
339 * mode-switching.c (optimize_mode_switching): Fix size
340 allocated for bb_info[n_entities].
342 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
344 * gcc.c (main): Correct type that is allocated for
347 2006-01-31 Jakub Jelinek <jakub@redhat.com>
349 * config/s390/s390.c (init_alignment_context): Set
350 ALIAS_SET_MEMORY_BARRIER on the MEM.
351 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
353 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
356 * loop-unroll.c (unroll_loop_runtime_iterations): Free
358 * tree-ssa-live.c (type_var_init): Allocate bitmap after
361 2006-01-31 Marcin Dalecki <martin@dalecki.de>
363 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
364 * regrename.c: Ditto.
365 * tree-ssa-loop-im.c: Ditto.
366 * tree-dump.c: Ditto.
367 * tree-complex.c: Ditto.
369 * tree-ssa-threadupdate.c: Ditto.
371 * java/class.c: Ditto.
372 * java/jcf-parse.c: Ditto.
373 * java/resource.c: Ditto.
374 * java/except.c: Ditto.
375 * java/jvspec.c: Ditto.
376 * java/jcf-write.c: Ditto.
377 * java/jcf-path.c: Ditto.
378 * java/gjavah.c: Ditto.
379 * java/zextract.c: Ditto.
380 * java/jcf-io.c: Ditto.
382 * java/buffer.c: Ditto.
383 * java/lang.c: Ditto.
384 * java/parse-scan.y: Ditto.
387 * cfgloopmanip.c: Ditto.
388 * postreload-gcse.c: Ditto.
389 * tree-ssa-loop-manip.c: Ditto.
390 * postreload.c: Ditto.
391 * tree-ssa-loop-ch.c: Ditto.
395 * diagnostic.c: Ditto.
397 * genoutput.c: Ditto.
400 * cfgloopanal.c: Ditto.
401 * objc/objc-act.c: Ditto.
403 * genextract.c: Ditto.
404 * genautomata.c: Ditto.
405 * pretty-print.c: Ditto.
407 * cgraphunit.c: Ditto.
410 * haifa-sched.c: Ditto.
411 * dominance.c: Ditto.
413 * tree-ssa-loop-ivopts.c: Ditto.
415 * mode-switching.c: Ditto.
416 * modulo-sched.c: Ditto.
418 * ipa-pure-const.c: Ditto.
420 * fix-header.c: Ditto.
422 * tree-stdarg.c: Ditto.
423 * ipa-utils.c: Ditto.
424 * loop-init.c: Ditto.
425 * ipa-inline.c: Ditto.
428 * alloc-pool.c: Ditto.
429 * dwarf2out.c: Ditto.
431 * genattrtab.c: Ditto.
432 * tree-ssa-loop-ivcanon.c: Ditto.
436 * fortran/gfortranspec.c: Ditto.
438 * local-alloc.c: Ditto.
439 * langhooks.c: Ditto.
441 * tree-vectorizer.c: Ditto.
443 * ipa-type-escape.c: Ditto.
445 * tree-if-conv.c: Ditto.
448 * tree-data-ref.c: Ditto.
449 * loop-unroll.c: Ditto.
450 * treelang/treetree.c: Ditto.
453 * ggc-common.c: Ditto.
457 * tree-cfgcleanup.c: Ditto.
458 * tree-ssa-pre.c: Ditto.
459 * cfgcleanup.c: Ditto.
460 * loop-invariant.c: Ditto.
463 * print-tree.c: Ditto.
466 * sched-deps.c: Ditto.
468 * tree-object-size.c: Ditto.
470 * bb-reorder.c: Ditto.
472 * var-tracking.c: Ditto.
474 * df-problems.c: Ditto.
475 * reg-stack.c: Ditto.
478 * sched-rgn.c: Ditto.
479 * tree-ssa-structalias.c: Ditto.
480 * tree-ssa-reassoc.c: Ditto.
481 * config/darwin-c.c: Ditto.
482 * config/darwin.c: Ditto.
483 * config/arm/arm.c: Ditto.
488 2006-01-31 Nicolas Pitre <nico@cam.org>
490 * arm.md (smaxsi3): Make aware of smax_m1.
493 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
495 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
497 2006-01-31 Richard Guenther <rguenther@suse.de>
499 * doc/invoke.texi (-msselibm): Document.
500 * target.h (expand_library_builtin): New target hook.
501 * builtins.c (expand_builtin): Use expand_library_builtin.
502 (default_expand_library_builtin): New function.
503 * gcc.c (LINK_GCC_MATH_SPEC): Define.
504 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
505 (link_gcc_math_spec): Declare.
506 (static_specs): Add link_gcc_math_spec.
507 * expr.h (default_expand_library_builtin): Declare.
508 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
509 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
510 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
511 * config/i386/i386.opt (msselibm): New target option.
512 * config/i386/i386.c (ix86_builtin_function_variants): New array.
513 (ix86_init_sse_abi_builtins): New function.
514 (ix86_expand_library_builtin): Likewise.
515 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
516 (override_options): Handle error conditions wrt -msselibm.
517 (ix86_builtins): Add function codes for SSE2 ABI builtins.
518 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
519 * doc/extend.texi (__builtin_sse2_*): Document new target specific
522 2006-01-31 Richard Guenther <rguenther@suse.de>
523 Paolo Bonzini <bonzini@gnu.org>
525 * doc/install.texi (--disable-libgcc-math): Document.
527 2006-01-30 Marcin Dalecki <martin@dalecki.de>
529 * expr.h (expand_normal): new inline function.
530 * builtins.c: use it, use EXPAND_NORMAL explicitely.
532 * dwarf2out.c: use it.
537 * config/sparc/sparc.c: use it.
538 * config/i386/i386.c: use it.
539 * config/rs6000/rs6000.c: use it.
540 * config/arm/arm.c: use it.
541 * config/mips/mips.c: use it.
542 * stmt.c: use it, use EXPAND_NORMAL explicitely.
544 2006-01-30 Roger Sayle <roger@eyesopen.com>
546 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
547 argv to the appropriate type.
549 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
551 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
554 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
557 * config/s390/s390.c (struct machine_function): New flag
558 decomposed_literal_pool_addresses_ok_p.
559 (s390_reorg): Set it before final stage of literal pool transforms.
560 (s390_decompose_address): Only accept displacements of the form
561 (minus (label_ref ...) (label_ref ...)) if that flag is set.
563 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
565 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
566 the comparison routine return.
568 2006-01-30 Michael Matz <matz@suse.de>
570 * global.c (find_reg): Only evict for global regs.
571 Take n_refs into account and dump more info.
573 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
576 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
577 (pragma_trap, pragma_nosave_low_regs): Likewise.
578 (current_function_anonymous_args): Likewise.
579 (sh_deferred_function_attributes): New variable.
580 (sh_deferred_function_attributes_tail): Likewise.
581 (print_operand): For '@', look up trap_exit attribute.
582 (calc_live_regs): Look up trapa_handler attribute. For trapa
583 handlers, save/restore fpscr, but don't do any other
584 interrupt-specific saves.
585 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
586 Fix check for partially saved registers to check for SHmedia.
587 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
588 (sh_output_function_epilogue): Don't clear any of the removed
590 (sh_insert_attributes): Don't check pragma_interrupt.
591 Insert deferred attributes. Check that interrupt attribute is
592 present for other attributes that require its presence.
593 (sh_attribute_table): Add new attributes trapa_handler and
595 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
596 Don't check for pragma_interrupt. Don't store argument.
597 * sh.h (pragma_interrupt, sp_switch): Don't declare.
598 (sh_deferred_function_attributes): Declare.
599 (sh_deferred_function_attributes_tail): Likewise.
600 * sh.md (sp_switch_1): Add operand. Change generator caller.
601 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
602 (*return_i): Don't use when trap_exit attribute is in effect.
603 (*return_trapa): New insn pattern.
605 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
606 setting c_target_objs and cxx_target_objs.
607 * t-sh: Add rule for sh-c.o.
609 2006-01-30 Richard Guenther <rguenther@suse.de>
612 * gimplify.c (gimplify_target_expr): Handle easy cases
613 without creating a temporary.
615 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
617 * vec.h (safe_grow): Remove duplicated line.
619 2006-01-29 Diego Novillo <dnovillo@redhat.com>
622 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
623 (expand_omp): ... here.
624 (expand_omp_parallel): Only remove barriers for combined
625 parallel+workshare constructs.
627 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
631 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
632 * tree.c (build_qualified_type): Chain the new type to the original
633 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
634 a POINTER_TYPE or a REFERENCE_TYPE respectively.
635 (build_pointer_type_for_mode): Only return unqualified types.
636 (build_reference_type_for_mode): Likewise.
638 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
640 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
641 * Makefile.in (CXX_COMPAT_WARN): Define.
642 * configure: Regenerate.
644 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
647 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
650 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
652 * toplev.c: Fix thinko.
654 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
655 Marcin Dalecki <martin@dalecki.de>
657 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
658 (push_srcloc): Use XNEW.
659 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
661 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
663 * df-core.c (df_set_blocks): Deleted all variable.
665 2006-01-28 Ian Lance Taylor <ian@airs.com>
667 * cgraphunit.c (cgraph_assemble_pending_functions): Call
668 cgraph_output_pending_asms.
670 2006-01-28 Zack Weinberg <zackw@panix.com>
672 * c.opt: Add -W(no-)overlength-strings.
673 * doc/invoke.texi: Document it.
674 * c-opts.c (c_common_handle_option): -pedantic implies
675 -Woverlength-strings, if not explicitly disabled already.
676 (c_common_post_options): -Woverlength-strings defaults to off, and
677 is always off for C++.
678 * c-common.c (fix_string_type): Issue warning about strings longer
679 than is portable only if warn_overlength_strings. Rearrange code
680 a little for clarity.
681 * configure.in: Check for -Wno-overlength-strings as well before
682 enabling -pedantic in stage 1.
683 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
684 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
686 * genconditions.c (write_header, write_one_condition)
687 (write_conditions, write_writer): Consolidate very long strings
688 that were broken up to fit in C89 portable limit. Don't use
689 printf when fputs will do.
691 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
693 * combine.c (simplify_comparison <AND>): Check
694 TRULY_NOOP_TRUNCATION before start using a subreg.
696 * config/mips/mips.md (*branch_zero<mode>,
697 *branch_zero<mode>_inverted, *branch_equality<mode>,
698 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
699 Remove mode check from comparisons.
701 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
703 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
705 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
707 * expmed.c (const_mult_add_overflow_p): Remove.
708 * expr.h: Remove the prototype for const_mult_add_overflow_p.
710 * recog.c (validate_replace_rtx_subexp): Remove.
711 * recog.h: Remove the prototype for
712 validate_replace_rtx_subexp.
714 * integrate.h: Remove the prototype for
715 copy_decl_for_inlining.
716 * rtl.h: Remove the prototype for mark_constant_function.
717 * tree-vectorizer.h: Remove the prototype for
718 vect_strip_conversion.
720 * modulo-sched.c (create_partial_schedule,
721 free_partial_schedule, reset_partial_schedule): Make them
724 * hooks.c (hook_bool_rtx_int_false): Remove.
725 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
727 2006-01-28 David Edelsohn <edelsohn@gnu.org>
729 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
730 and -mlong-double-128 are incompatible.
731 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
732 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
733 (TARGET_LIBGCC2_CFLAGS): Define.
734 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
735 (TARGET_LIBGCC2_CFLAGS): Same.
736 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
738 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
741 * c-typeck.c (build_binary_op): Perform implicit casts of
742 operands before shortening them.
744 * cfgloopmanip.c (split_loop_bb): Remove.
745 * cfgloop.h: Remove the prototype for split_loop_bb.
747 * cfgloop.c (flow_loop_outside_edge_p): Remove.
748 * cfgloop.h: Remove the prototype for
749 flow_loop_outside_edge_p.
751 * emit-rtl.c (init_virtual_regs): Make it static.
752 * function.h: Remove the prototype for init_virtual_regs.
754 * recog.c (peephole2_optimize): Make it static.
755 * recog.h: Remove the prototype for peephole2_optimize.
757 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
759 * df-scan.c (df_record_entry_block_defs): Check if
760 INCOMING_RETURN_ADDR_RTX is defined.
762 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
763 Kenneth Zadeck <zadeck@naturalbridge.com>
765 PR rtl-optimization/24762
766 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
767 * targhooks.c (hook_void_bitmap): New hook prototype.
768 * targhoohs.h (hook_void_bitmap): Ditto.
769 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
770 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
771 * target.h (live_on_entry): New function pointer.
772 * df-scan.c (df_all_hard_regs): Removed.
773 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
774 (df_scan_free_internal): Added df->entry_block_defs.
775 (df_scan_alloc): Ditto.
776 (df_scan_dump): Ditto.
777 (df_uses_record): Plumbed flag field properly thru calls.
778 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
779 This part fixes PR24762.
780 (df_bb_refs_record): Added code to make the frame and arg
781 pointers live in EH blocks.
782 (df_refs_record): Added call to df_record_entry_block_defs.
783 (df_record_entry_block_defs): New function.
784 * df-core.c: Added comments to describe new artifical defs.
785 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
786 (entry_block_defs): New field in struct df.
787 (df_all_hard_regs): Deleted.
788 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
789 * df-problems.c (df_ru_bb_local_compute_process_def):
790 Added code to handle artifical defs in the entry to a function.
791 (df_ru_bb_local_compute): Ditto.
792 (df_rd_bb_local_compute_process_def): Ditto.
793 (df_rd_bb_local_compute): Ditto.
794 (df_lr_bb_local_compute): Ditto.
795 (df_ur_bb_local_compute): Ditto.
796 (df_urec_bb_local_compute): Ditto.
797 (df_chain_create_bb): Ditto.
798 (df_ur_local_finalize): Removed entry.
799 (df_urec_init): Ditto.
800 (df_urec_local_finalize): Ditto.
801 (df_ri_bb_compute): Added detection of last use of pseudos.
802 * Makefile.in (df-scan.o): Updated dependencies.
803 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
804 * config/mips/mips.c (mips_set_live_on_entry): Added.
805 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
807 * dce.c (marked_insn_p): Added code to handle artifical defs.
809 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
811 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
813 (_mm_cvtsi128_si64): Likewise.
814 (_mm_cvtsd_si64): Likewise.
815 (_mm_cvttsd_si64): Likewise.
816 (_mm_cvtsi64_sd): Likewise.
817 (_mm_cvtsi64_si128): Likewise.
818 * config/i386/mmintrin.h (_m_from_int64): Likewise.
819 (_mm_cvtsi64_m64): Likewise.
820 (_m_to_int64): Likewise.
821 (_mm_cvtm64_si64): Likewise.
822 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
823 (_mm_cvttss_si64): Likewise.
824 (_mm_cvtsi64_ss): Likewise.
825 (_mm_cvtss_f32): Likewise.
827 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
829 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
830 for pragma redefine_extname.
832 2006-01-27 Jakub Jelinek <jakub@redhat.com>
835 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
836 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
837 -mno-minimal-toc to previous content.
838 (bispecs): Remove goal.
839 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
840 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
841 compatibility aliases on powerpc-*-*gnu*.
842 * config/rs6000/libgcc-ppc-glibc.ver: New file.
843 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
844 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
845 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
846 (ldblspecs): New goal.
847 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
848 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
850 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
851 L_sf_to_tf or L_df_to_tf is defined.
853 2006-01-27 David Edelsohn <edelsohn@gnu.org>
854 Alan Modra <amodra@bigpond.net.au>
857 * config/rs6000/linux.h (POWERPC_LINUX): Define.
858 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
859 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
860 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
861 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
862 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
863 (rs6000_override_options): Initialize rs6000_ieeequad.
864 Initialize TFmode format to ibm_extended_format if not
866 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
868 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
869 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
870 (function_arg_advance): IBM long double passed in two FPRs, not
872 (function_arg): IBM long double passed in FPRs.
873 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
874 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
875 Only multireg GPR aligned.
876 (rs6000_init_libfuncs): Enable IBM long double functions if not
878 (rs6000_generate_compare): Use IBM long double compare if not
880 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
881 (TARGET_IEEEQUAD): Define.
882 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
884 * config/rs6000/rs6000.md: Enable TFmode patterns if
886 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
887 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
888 and -mlong-double-128 are incompatible.
889 * doc/invoke.texi (-mabi): Collect options together. Add
890 ibmlongdouble and ieeelongdouble.
892 2006-01-27 Richard Sandiford <richard@codesourcery.com>
894 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
896 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
897 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
898 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
899 * rtl.h (rtunion_def): Remove rt_ptr.
901 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
902 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
903 * config/i386/winnt.c (i386_pe_mark_dllexport)
904 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
906 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
908 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
910 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
914 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
915 pthread_key_delete. From John David Anglin. gthrw-ify
916 pthread_getunique_np only if it it's not a macro. Delete
918 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
919 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
920 __gthread_objc_condition_signal, __gthread_key_delete): Add
921 "__attribute__ ((__unused__))" to unused arguments.
922 (__gthread_recursive_mutex_init_function): Add missing return.
923 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
924 gthr-posix95.h: Use macro-based approach for name redirection
925 on targets missing weakref.
927 2006-01-26 Zack Weinberg <zackw@panix.com>
929 * genconditions.c (write_header): In generated code, #ifdef out
930 all includes and fake declarations, except includes of bconfig.h
931 and system.h, unless GCC_VERSION >= 3001. Do not include
932 gensupport.h in any case.
933 (write_conditions): Generate a definition of struct c_test. Add
934 a comment to the generated #endif.
935 (write_one_condition): Escape backslashes in string too.
936 (write_writer): Generated code must escape backslashes and quote
937 marks (but not newlines) in the strings it writes.
938 * Makefile.in (build/gencondmd.o): Update dependencies.
940 2006-01-26 Steve Ellcey <sje@cup.hp.com>
943 * Makefile.in (insn-automata.o): Add header file dependencies.
944 * genautomata.c: Add includes.
946 2006-01-26 Steve Ellcey <sje@cup.hp.com>
949 * Makefile.in (insn-automata.o): Add -Wno-error flag.
951 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
953 * configure.ac: Expect target tools paths to be passed from the toplevel
954 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
956 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
958 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
961 * c.opt (Wpointer-sign): Init to -1.
962 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
963 OPT_pedantic, to 0 otherwise.
964 * doc/invoke.texi: Update.
966 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
968 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
969 constants provided by 80387 instructions in the destination mode.
971 2006-01-26 Richard Guenther <rguenther@suse.de>
972 Andrew Pinski <pinskia@physics.uc.edu>
975 partial PR tree-opt/17064
976 * tree-ssa-structalias.c (intra_create_variable_infos):
977 Create heap variables for incoming parameters if
978 flag_argument_noalias > 1.
979 (find_what_p_points_to): Look through default defs of
982 2006-01-26 Jeff Law <law@redhat.com>
985 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
986 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
987 within the VR_RANGE, use the VR_RANGE as the result, not the
989 (adjust_range_with_scev): Reject ranges from SCEV which are out of
992 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
994 * tree-ssa-alias.c (maybe_create_global_var): Change
995 subvar walking to an assertion that we don't have subvar'd variables.
997 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1000 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1001 Use a new variable, inner. PARM_DECLs are always non-weak.
1003 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1005 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1008 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1010 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1012 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1014 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1015 (smax_insn, smin_insn, smax_0, smin_0): New.
1017 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1020 * config/cris/cris.c (cris_order_for_addsi3): New function.
1021 * config/cris/cris-protos.h: Prototype it.
1022 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1023 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1024 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1025 (split for "op.S1 [rx=rx+i],ry (swapped)")
1026 (split for "op(s|u).S1 [rx=rx+i],ry")
1027 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1028 Apply cris_order_for_addsi3 when generating addsi3 insns.
1030 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1032 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1033 (TREE_BLOCK): Add call to EXPR_CHECK.
1035 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1038 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1039 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1040 (dump_omp_clauses): ... here.
1041 (dump_generic_node): Handle OMP_CLAUSE.
1042 * tree.c (omp_clause_num_ops): New.
1043 (omp_clause_code_name): New.
1044 (tree_code_size): Handle OMP_CLAUSE.
1045 (tree_size): Likewise.
1046 (make_node): Document handling of OMP_CLAUSE.
1047 (tree_node_structure): Handle OMP_CLAUSE.
1048 (omp_clause_check_failed): New.
1049 (omp_clause_range_check_failed): New.
1050 (omp_clause_operand_check_failed): New.
1051 (build_omp_clause): New.
1052 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1053 * tree.h (enum omp_clause_code): Declare.
1054 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1055 (OMP_CLAUSE_RANGE_CHECK): Define.
1056 (OMP_CLAUSE_ELT_CHECK): Define.
1057 (omp_clause_check_failed): Declare.
1058 (omp_clause_operand_check_failed): Declare.
1059 (omp_clause_range_check_failed): Declare.
1060 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1061 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1062 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1063 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1064 (OMP_CLAUSE_IF_EXPR): Likewise.
1065 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1066 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1067 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1068 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1069 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1070 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1071 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1072 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1073 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1074 (OMP_CLAUSE_CODE): Define.
1075 (OMP_CLAUSE_SET_CODE): Define.
1076 (OMP_CLAUSE_CODE): Define.
1077 (OMP_CLAUSE_OPERAND): Define.
1078 (struct tree_omp_clause): Declare.
1079 (union tree_node): Add field 'omp_clause'.
1080 * treestruct.def (TS_OMP_CLAUSE): Define.
1081 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1082 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1083 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1084 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1085 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1086 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1087 (OMP_CLAUSE): Define.
1088 * print-tree.c (print_node): Handle OMP_CLAUSE.
1089 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1090 * c-typeck.c: Likewise.
1091 * gimplify.c: Likewise.
1092 * c-omp.c: Likewise.
1093 * tree-nested.c: Likewise.
1094 * tree-inline.c: Likewise.
1095 * c-parser.c: Likewise.
1096 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1099 2006-01-25 Roger Sayle <roger@eyesopen.com>
1101 PR rtl-optimization/25703
1102 * combine.c (try_combine): Handle zero_extract and strict_low_part
1103 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1105 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1107 * global.c: Fix comment typos.
1109 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1112 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1113 Use output_addr_const instead of assemble_name.
1115 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1117 * Makefile.in (sched-vis.o): Update dependencies.
1118 * haifa-sched.c (sched_finish): Clear current_sched_info.
1119 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1120 (dump_flow_info): Call it.
1121 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1123 * basic-block.h (dump_bb_info): Declare.
1124 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1125 option, and apply options only for dump files whose TDF_RTL,
1126 TDF_TREE, or TDF_IPA bits match.
1127 * rtl.h: Declare new functions exported from sched-vis.c.
1128 * sched-vis.c: Enable also if scheduling is not used.
1129 (print_value): Print the mode of registers if not inside scheduling.
1130 (print_insn): Make it work outside the scheduler. Beautify the output
1132 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1134 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1136 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1137 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1138 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1139 depending on the value of CONSTANT_POOL_ADDRESS_P.
1140 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1142 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1143 rather than SYMBOL_REF_DECL.
1144 (rtx_constant_pool): Remove const_rtx_sym_htab.
1145 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1146 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1147 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1148 Remove handling of const_rtx_sym_htab.
1149 (find_pool_constant): Delete.
1150 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1151 rather than find_pool_constant.
1152 (get_pool_constant_for_function): Delete.
1153 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1155 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1156 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1157 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1158 (SYMBOL_REF_CONSTANT): New macro.
1159 (get_pool_constant_for_function): Delete.
1160 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1161 rather than SYMBOL_REF_DECL.
1162 (i386_pe_mark_dllimport): Likewise.
1163 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1164 rather than SYMBOL_REF_DECL.
1165 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1166 (machopic_indirect_call_target): Likewise.
1168 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1170 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1172 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1174 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1176 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1178 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1180 2006-01-24 David Daney <ddaney@avtrex.com>
1183 * configure.ac (enable_tls): New enable option.
1184 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1185 * configure: Regenerate.
1186 * doc/install.texi (--enable-tls): Document new option.
1187 (--disable-tls): Ditto.
1189 2006-01-24 Richard Henderson <rth@redehat.com>
1191 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1192 * alias.c (true_dependence): Respect it.
1193 (canon_true_dependence, write_dependence_p): Likewise.
1194 * builtins.c (get_builtin_sync_mem): Set it.
1196 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1198 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1201 2006-01-24 DJ Delorie <dj@redhat.com>
1203 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1204 for storing constants in single-bit bitfields.
1206 2006-01-25 Ben Elliston <bje@au.ibm.com>
1208 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1210 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1213 * tree-ssa-pre.c (phi_translate): Return NULL
1214 for AGGREGATE_TYPE's.
1216 2006-01-24 Zack Weinberg <zackw@panix.com>
1218 * genautomata.c (process_state_for_insn_equiv_partition):
1219 Use xcalloc for insn_arcs_array.
1220 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1221 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1223 2006-01-24 Richard Henderson <rth@redhat.com>
1225 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1228 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1230 PR rtl-optimization/25890
1231 PR rtl-optimization/25905
1232 * combine.c (expand_compound_operation, expand_field_assignment):
1233 Fail if the bitfield's final position is out of bounds.
1235 2006-01-24 Ian Lance Taylor <ian@airs.com>
1238 * cgraphunit.c (cgraph_output_in_order): Don't clear
1239 cgraph_asm_nodes until after asm strings have been output.
1241 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1243 * fix-header.c (read_scan_file): Add new parameter imultilib when
1244 calling register_include_chains.
1246 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1248 * omp-low.c: Update documentation.
1250 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1251 Daniel Berlin <dberlin@dberlin.org>
1255 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1256 return from the function.
1258 2006-01-22 Zack Weinberg <zackw@panix.com>
1260 * rtl.def (match_code): Add second argument.
1261 * genpreds.c (write_extract_subexp): New function.
1262 (write_match_code): Add path argument. Use write_extract_subexp.
1263 (write_predicate_expr): Pass path to write_match_code.
1264 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1265 not perform a mode test.
1266 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1267 a subexpression does not constrain the top-level code set.
1268 * read-rtl.c (read_rtx_variadic): New function.
1269 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1270 * doc/md.texi: Document new notation.
1271 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1272 (cmpsi_operand): ... here, using new notation.
1274 2006-01-22 Zack Weinberg <zackw@panix.com>
1276 * varray.c: Remove GENERATOR_FILE #ifdefs.
1278 2006-01-22 Zack Weinberg <zackw@panix.com>
1280 * genautomata.c (output_reserved_units_table): Emit nothing if
1281 description->query_units_num is zero. Remove extra blank line.
1282 (output_cpu_unit_reservation_p): Short circuit
1283 if description->query_units_num is zero.
1285 2006-01-22 Zack Weinberg <zackw@panix.com>
1287 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1288 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1289 nor any of the random handful of variables that used to be necessary
1290 when this program was linked with rtlanal.o. Prune set of forward
1291 function declarations.
1292 (struct attr_desc): Remove static_p field.
1293 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1294 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1295 (attr_string): Do not read the character one past the length of
1297 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1298 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1299 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1300 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1301 (make_automaton_attrs): New.
1302 (main): Do not call into genautomata. Call local gen_bypass
1303 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1304 Remove special case for insn_alts.
1305 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1306 varray.h (leftover from previous change). Prune set of forward
1307 function declarations. Remove state_alts fields from all
1308 structures. Remove state_alts_table from struct automaton.
1309 Make everything except main static. Do not maintain num_dfa_decls.
1310 Do not maintain state_alts fields of various structures.
1311 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1312 (add_arc): Remove state_alts argument. All callers updated.
1313 (output_reserved_units_table): Emit #ifdef here...
1314 (output_tables): ...not here. Don't generate state_alts tables.
1315 (expand_automata): Don't generate attributes.
1316 (write_automata): Don't generate state_alts functions.
1317 (main): New function.
1318 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1319 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1320 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1321 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1322 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1323 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1324 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1325 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1327 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1328 * genattrtab.h: Delete file.
1329 * Makefile.in (OBJS-common): Add insn-automata.o.
1330 (insn-automata.o): New rule.
1331 (simple_generated_c): Add insn-automata.c.
1332 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1333 (genprogmd): Add automata.
1334 (build/genattrtab): Needs no extra objects nor libraries.
1335 (build/genautomata): Needs build/vec.o and -lm.
1337 2006-01-22 Zack Weinberg <zackw@panix.com>
1339 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1340 (output_dfa_max_issue_rate, locked_states_num): Delete.
1341 (struct automaton): Add locked_states field.
1342 (output_dead_lock_vect): Save number of locked states in
1343 automaton->locked_states. If it is zero, don't print anything.
1344 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1345 (output_internal_dead_lock_func): Only test the dead_lock_vect
1346 for automata that have locked states.
1347 (output_statistics): Always print the number of locked states for
1348 each automaton. Calculate total number of locked states here.
1349 (write_automata): Don't call output_dfa_max_issue_rate.
1350 * genattrtab.c: Define length_unit_log as a const variable.
1351 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1352 max_insn_queue_index const.
1353 * final.c (length_unit_log): Declare const.
1354 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1356 2006-01-22 Zack Weinberg <zackw@panix.com>
1358 * genautomata.c: Include vec.h, not varray.h.
1359 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1360 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1361 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1362 VEC_* macros operating on appropriately typed vectors, or to
1363 malloced arrays when the size is known in advance. Const-ify
1364 many char* variables and function arguments. No functional changes.
1365 * Makefile.in (build/varray.o): Delete rule.
1366 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1367 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1369 2006-01-22 Zack Weinberg <zackw@panix.com>
1371 * gensupport.c: Define get_insn_name and record_insn_name here.
1372 (read_md_rtx): Call record_insn_name as appropriate.
1373 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1374 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1375 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1377 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1378 (BUILD_VARRAY): Delete.
1379 (genprognormal): Rename genprogmd. Fold in all programs from
1380 genprognoprint; also attrtab.
1381 (build/genattrtab): Just mention genautomata.o and varray.o.
1382 Reorganize a bit, add comments to make the categories clearer.
1384 2006-01-22 Zack Weinberg <zackw@panix.com>
1386 * genconditions.c (condition_table, add_condition): Delete.
1387 (write_conditions): Don't emit n_insn_conditions nor
1388 insn_elision_unavailable. Issue the gcc version #ifdef here,
1389 inside the table, with no #else clause ...
1390 (write_header): ...not here.
1391 (write_writer): New function.
1392 (main): Don't initialize condition_table. Use add_c_test.
1394 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1395 files on the command line.
1396 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1397 Return -1 if there is no entry in the table, don't abort.
1398 (add_c_test, traverse_c_tests): New functions.
1399 * gensupport.h (insn_elision_unavailable, insn_conditions)
1400 (n_insn_conditions): Delete declarations.
1401 (add_c_test, traverse_c_tests): Declare.
1402 * read-rtl.c: Include gensupport.h.
1403 (read_conditions): New function.
1404 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1405 (read_rtx_1): If we get EOF when we were looking for an initial
1406 open paren, return 0. Call read_conditions when appropriate.
1407 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1408 dummy-conditions.o. Eliminate references to insn-conditions.o,
1409 or change them to build/gencondmd.o, as appropriate. Remove
1410 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1411 from $(simple_generated_c). For all files remaining in those
1412 two lists, add insn-conditions.md to the generator command line.
1413 Give insn-constants.h/s-constants their own rules. Add rules
1414 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1415 (build/read-rtl.o): Depend on gensupport.h.
1416 (genprognormal): Include preds.
1417 (genprogearly): Rename genprognoprint; only difference is now that
1418 they don't link with $(BUILD_PRINT).
1419 * dummy-conditions.c: Delete.
1421 2006-01-22 Zack Weinberg <zackw@panix.com>
1423 * genextract.c: Don't include insn-config.h. Do include vec.h.
1424 Declare vectors of int, char, and locstr.
1425 (locstr): New typedef.
1426 (struct extraction): Make all array fields into bare pointers.
1427 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1428 (insn_code_number): Delete.
1429 (accum_extract): New struct.
1430 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1431 (gen_insn): Take insn_code_number as an argument. Use an
1432 accum_extract structure instead of loading data directly into
1433 a struct extraction, and having to know how big it might get.
1434 (walk_rtx): Operate entirely on an accum_extract structure.
1435 (print_path): Avoid unnecessary use of printf.
1436 (print_header): New function, split out of main. Distinguish
1437 more carefully between an unrecognizable insn and an insn that
1438 has the code number of a define_expand.
1439 (main): Pass insn_code_number to gen_insn. Call print_header
1440 only after parsing. Avoid unnecessary use of printf.
1441 * Makefile.in (build/vec.o): New rule.
1442 (build/genextract): Depend on build/vec.o.
1443 (build/genextract.o): Don't depend on insn-config.h.
1445 2006-01-22 Zack Weinberg <zackw@panix.com>
1447 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1448 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1449 practical. Eliminate per-generator-program link rules.
1451 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1454 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1455 with a call expr to ...
1456 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1458 2006-01-23 Richard Guenther <rguenther@suse.de>
1460 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1461 before make_edge with conditional EDGE_TRUE_VALUE.
1463 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1464 Jan Hubicka <jh@suse.cz>
1465 Richard Guenther <rguenther@suse.de>
1467 PR rtl-optimization/25654
1468 * cfgexpand.c (aggregate_contains_union_type): New function.
1469 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1470 for structure variables that contain a union type.
1472 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1474 * gengtype.c (new_structure): Return the structure.
1475 (create_option): Add an extra "next" argument.
1476 (create_field): New function.
1477 (adjust_field_rtx_def): Use create_option and create_field.
1478 Remove a now-unnecessary call to find_structure.
1479 (adjust_field_tree_def): Likewise.
1480 (note_yacc_type): Remove an unnecessary call to find_structure.
1481 * gengtype.h (new_structure): Return the structure.
1482 (create_option): Add an extra argument.
1483 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1484 (option): Adjust calls to create_option.
1486 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1488 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1490 2006-01-22 Paul Brook <paul@codesourcery.com>
1491 Peter Barada <peter@the-baradas.com>
1493 * config/m68k/m68k.md: Add Coldfire FPU support.
1494 Define FP mode macro and associated attributes.
1495 Use it for float mode patterns.
1496 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1497 (LIBCALL_VALUE): Use m68k_libcall_value.
1498 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1499 (m68k_function_value): Ditto.
1500 (emit_move_sequence): Ditto.
1501 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1502 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1503 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1504 (MULTILIB_EXCEPTIONS): Ditto.
1505 * config/m68k/m68k.opt: Add mcfv4e.
1506 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1507 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1508 (m68k_output_function_prologue): Save ColdFire FPU registers.
1509 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1510 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1511 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1512 ColdFire FPU registers.
1513 (m68k_libcall_value, m68k_function_value): New functions.
1514 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1515 (LIBCALL_VALUE): Use m68k_libcall_value.
1516 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1517 (MASK_COLDFIRE): Add MASK_CFV4E.
1518 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1519 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1520 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1521 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1522 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1523 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1524 * doc/invoke.tex: Document -mcfv4e on m68k.
1526 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1528 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1531 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1534 * c-opts.c (c_common_handle_option): Don't include
1535 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1536 * doc/invoke.texi (C++ Dialect Options): Document that
1537 -Wnon-virtual-dtor is no longer included in -Wall.
1539 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1541 * gcov.c (print_version), gcov-dump.c (print_version),
1542 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1545 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1547 * df-scan.c (problem_SCAN): Added NULL reset function.
1548 (df_scan_reset_blocks): Added code to call reset block function
1549 (df_bb_refs_delete) Fixed comment.
1550 (df_insn_refs_delete): Made tolerant of deleting non existent info
1551 for dataflow problems that need to be reset.
1552 * df-core.c (df_set_blocks): Ditto.
1553 * df.h (struct df_problem): Added reset_fun.
1554 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1555 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1556 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1557 functions to clear out all references to def-use or use-def chains.
1559 2006-01-21 Ben Elliston <bje@au.ibm.com>
1561 * varasm.c (assemble_real): Initialise data array.
1563 2006-01-20 Paul Brook <paul@codesourcery.com>
1565 Merge from csl-arm-branch.
1566 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1567 * config/arm/arm.md (movdi): Force operands[1] to a register
1568 if we have a non-register source.
1569 (*arm_movdi, *movdf_soft_insn): Require that one of the
1570 operands be a register.
1571 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1572 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1574 2006-01-20 DJ Delorie <dj@redhat.com>
1576 * varasm.c (initialize_constant_valid_p): Allow pointers
1577 initialized from integer constants of lesser precision.
1578 (output_constant): Allow non-int-sized pointer modes to be
1579 initialized from integer constants.
1581 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1584 * cppdefault.h (struct default_include): Add multilib flag.
1585 * cppdefault.c (cpp_include_defaults): Set it.
1586 * c.opt (-imultilib): New option.
1587 * c-opts.c (imultilib): New.
1588 (c_common_handle_option): Handle -imultilib.
1589 (c_common_post_options): Likewise.
1590 * c-incpath.c (add_standard_paths, register_include_chains):
1592 * c-incpath.h (register_include_chains): Add extra parameter.
1593 * gcc.c (do_spec_1): Generate -imultilib option.
1594 (The Specs Language): Update %I description.
1595 (process_command): Update copyright notice.
1596 * doc/cppopts.texi (-imultilib): Document.
1597 * doc/invoke.texi (-imultilib): Include in option summary.
1598 (%I): Update specs documentation.
1600 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1602 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1604 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1606 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1609 2006-01-20 Richard Guenther <rguenther@suse.de>
1610 Steven Bosscher <stevenb.gcc@gmail.com>
1612 PR rtl-optimization/24626
1613 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1614 EDGE_TRUE_VALUE if in RTL mode.
1617 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1618 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1620 2006-01-20 Dirk Mueller <dmueller@suse.com>
1623 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1624 instead of a special NOP marker.
1625 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1626 NOP marker handling.
1627 * c-common.h (empty_body_warning): Add forward declaration.
1628 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1629 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1631 2006-01-20 Paul Brook <paul@codesourcery.com>
1633 * Makefile.in (lang_checks): Keep going if mkdir fails.
1635 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1637 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1638 be able to clean out basic block when not necessary.
1639 (df_scan_free): Fixed to properly delete information if df is
1640 unused before calling df_finish.
1641 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1642 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1644 (df_bb_refs_delete): New function.
1645 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1646 * df-core.c (df_set_blocks): Added code to properly clean out
1647 unused blocks if they are not part of the blocks to consider.
1648 Added additional null check.
1649 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1650 be able to clean out basic block when not necessary
1651 * df.h (df_free_bb_function): Ditto.
1652 (df_bb_refs_delete): New function.
1653 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1654 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1655 basic block parameter to be able to clean out basic block when not
1657 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1658 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1659 Fixed to properly delete information if df is unused before
1662 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1664 PR rtl-optimization/25799
1665 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1666 Corrected confluence operator to remove bits from op2 before oring
1667 with op1 rather than removing bits from op1.
1668 (df_ru_transfer_function): Corrected test on wrong bitmap which
1669 caused infinite loop. Both of these problems were introduced in
1670 the dataflow rewrite.
1672 2006-01-19 DJ Delorie <dj@redhat.com>
1674 * reload1.c (find_reload_regs): Note the details of reload
1675 failures in the dump file.
1676 (spill_failure): Likewise.
1678 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1680 * loop-iv.c: Include df.h and hashtab.h.
1681 (enum iv_grd_result): New enum.
1682 (DF_REF_IV, DF_REF_IV_SET): New macros.
1683 (struct biv_entry): New.
1684 (df, bivs): New global variables.
1685 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1686 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1688 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1689 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1690 analyzed_for_bivness_p, record_biv): New functions.
1691 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1692 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1693 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1695 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1697 (iv_number_of_iterations): Use new interface to iv analysis.
1698 * loop-unroll.c: Do not include varray.h.
1699 (analyze_iv_to_split_insn): Use new interface to iv
1701 * loop-unswitch.c (may_unswitch_on): Ditto.
1702 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1704 (df_bb_modify): Realloc tables to the new index.
1705 (df_find_use): New function.
1706 * df.h (df_find_use): Declare.
1707 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1709 * cfgloop.h (struct rtx_iv): Remove analysed field.
1710 (iv_get_reaching_def): Removed.
1711 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1712 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1713 (loop-iv.o): Add df.h and hashtab.h dependency.
1714 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1716 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1719 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1721 (__floatundisf, __floatundidf): Likewise.
1722 * libgcc2.h (IS_IBM_EXTENDED): Define.
1724 2006-01-19 DJ Delorie <dj@redhat.com>
1726 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1728 2006-01-19 Paul Brook <paul@codesourcery.com>
1730 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1731 as nothrow when unwinding tables are disabled.
1733 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1736 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1737 of bit-field" when in system header.
1739 2006-01-19 DJ Delorie <dj@redhat.com>
1741 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1742 the 16 bit shift limit of the m16c.
1744 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1747 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1748 * config/i386/i386.c (output_set_got): Output the label if we have one
1749 for the TARGET_DEEP_BRANCH_PREDICTION case.
1751 2006-01-19 Jan Hubicka <jh@suse.cz>
1752 H.J. Lu <hongjiu.lu@intel.com>
1753 Evandro Menezes <evandro.menezes@amd.com>
1755 * invoke.texi (generic): Document
1757 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1758 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1759 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1760 (x86_use_incdec, x86_pad_returns): New variables
1761 (TARGET_CPU_DEFAULT_generic): New constant
1762 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1763 (enum processor_type): Add generic32 and generic64.
1764 * i386.md (cpu attribute): Add generic32/generic64
1765 (movhi splitter): Behave sanely when both partial_reg_dependency and
1766 partial_reg_stall are set.
1767 (K8 splitters): Enable for generic as well.
1768 * predicates.md (incdec_operand): Use TARGET_INCDEC
1769 (aligned_operand): Avoid memory mismatch stalls.
1770 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1771 * ppro.md: Enable for generic32
1772 * i386.c (generic64_cost, generic32_cost): New.
1773 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1774 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1775 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1776 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1777 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1778 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1779 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1780 x86_accumulate_outgoing_args, x86_prologue_using_move,
1781 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1782 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1784 (x86_use_incdec, x86_pad_returns): New.
1785 (override_options): Add generic32 and generic64, translate "generic"
1786 to generic32/generic64 and "i686" to "generic32", refuse
1787 "generic32"/"generic64" as arch target.
1788 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1789 (ix86_reorg): Honor PAD_RETURNS.
1791 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1793 * tree-pretty-print.c (dump_generic_node): Handle
1794 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1795 * cgraph.c (cgraph_expand_queue): Rename from
1796 cgraph_analyze_queue. Update all users.
1797 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1798 cgraph_expand_queue.
1799 (cgraph_expand_all_functions): Likewise.
1800 (cgraph_finalize_pending_functions): Remove. Update callers.
1802 * tree.h (OMP_DIRECTIVE_P): Define.
1803 (OMP_PARALLEL_FN): Define.
1804 (OMP_PARALLEL_DATA_ARG): Define.
1805 (OMP_SECTIONS_SECTIONS): Define.
1806 * tree-pass.h (pass_expand_omp): Declare.
1807 * omp-low.c (struct omp_region): Declare.
1808 (struct omp_context): Remove fields 'parallel_type',
1809 'parallel_start_ix' and 'parallel_start_additional_args'.
1811 (struct omp_for_data): Rename from struct expand_omp_for_data.
1812 (omp_regions): New static variable.
1813 (root_omp_region): New static variable.
1814 (find_omp_clause): Make static.
1815 (is_in_combined_parallel_ctx): Remove.
1816 (is_combined_parallel): New.
1817 (extract_omp_for_data): Move earlier in the file.
1818 (workshare_safe_to_combine_p): New.
1819 (get_ws_args_for): New.
1820 (determine_parallel_type): Move earlier in the file.
1821 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1823 (omp_copy_decl): Likewise.
1824 (create_omp_child_function): Likewise.
1825 (lookup_omp_region): New.
1826 (dump_omp_region): New.
1827 (debug_omp_region): New.
1828 (debug_all_omp_regions): New.
1829 (new_omp_region): New.
1830 (scan_omp_parallel): If parallel_nesting_level > 1, the
1831 directive is nested within another parallel directive.
1832 Set OMP_PARALLEL_FN.
1833 (scan_omp_for): Do not try to handle combined parallel+for
1835 Remove FIXME comment.
1836 (scan_omp_nested): Remove.
1837 (scan_omp_1): Do not call scan_omp_nested when
1838 parallel_nesting_level is > 1.
1839 Do not change the DECL_CONTEXT of local variables found.
1840 (lookup_decl_in_outer_ctx): New.
1841 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1842 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1843 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1844 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1845 If CTX is nested, lookup VAR in the outer context when
1846 building copy assignment.
1847 (lower_send_clauses): Rename from expand_send_clauses.
1848 If CTX is nested, lookup VAR in the outer context when
1849 building copy assignments.
1850 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1851 If CTX is nested, lookup VAR in the outer context when
1852 building copy assignments.
1853 (expand_parallel_call): Rename from build_parallel_call.
1854 Handle combined parallel+workshare cases.
1855 Re-implement to emit code into the CFG.
1857 (expand_omp_parallel): Re-implement to emit code into the CFG.
1858 Call move_sese_region_to_fn to outline the sub-graph
1859 containing the parallel region.
1860 (expand_omp_for_1): Remove.
1861 (expand_omp_for_generic): Re-implement to emit code into the
1863 (expand_omp_for_static_nochunk): Likewise.
1864 (expand_omp_for_static_chunk): Likewise.
1865 (expand_omp_for): Likewise.
1866 (expand_omp_sections): Likewise.
1867 (remove_exit_barriers): New.
1868 (expand_omp_synch): New.
1870 (build_omp_regions_1): New.
1871 (build_omp_regions): New.
1872 (execute_expand_omp): New.
1873 (gate_expand_omp): New.
1874 (pass_expand_omp): Define.
1875 (lower_omp_sections): Rename from expand_omp_sections.
1876 Set OMP_SECTIONS_SECTIONS.
1877 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1878 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1879 (lower_omp_single): Rename from expand_omp_simple.
1880 (lower_omp_master): Rename from expand_omp_master.
1881 (lower_omp_ordered): Rename from expand_omp_ordered.
1882 (lower_omp_critical): Rename from expand_omp_critical.
1883 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1884 (lower_omp_for): Re-implement.
1885 (lower_omp_parallel): Re-implement.
1886 (lower_regimplify): Rename from expand_regimplify.
1887 (lower_omp_1): Rename from expand_omp_1.
1888 If there are syntax errors in the program, replace every
1889 OpenMP directive with NOP.
1890 Call lower_omp_* instead of expand_omp_*.
1891 (lower_omp): Rename from expand_omp.
1893 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1894 * tree-gimple.h (enum omp_parallel_type): Remove.
1895 (gimple_boolify): Declare extern.
1896 (find_omp_clause, determine_parallel_type): Remove.
1898 * gimple-low.c (lower_omp_directive): New.
1899 (lower_stmt): Call it.
1900 (record_vars_into): Move from ...
1901 (record_vars): ... here.
1902 Call record_vars_into with current_function_decl.
1904 * gimplify.c (struct gimplify_ctx): Remove fields
1905 combined_pre_p and combined_ctxp. Update users.
1906 (get_formal_tmp_var): Add documentation.
1907 (gimple_boolify): Make extern.
1908 (gimplify_expr_in_ctx): Remove. Update callers.
1909 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1910 will always be a BIND_EXPR.
1911 (gimplify_expr): Handle OMP_RETURN_EXPR.
1912 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1913 (OMP_PARALLEL): Add 3 operands.
1914 (OMP_SECTIONS): Add 1 operand.
1915 (OMP_RETURN_EXPR): Define.
1917 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1918 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1919 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1920 creating a circular free list.
1921 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1923 * tree-flow.h (move_sese_region_to_fn): Declare.
1924 (record_vars_into): Declare.
1925 * tree-cfg.c (make_omp_sections_edges): New.
1926 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1927 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1928 OMP_SECTIONS and OMP_SECTION.
1929 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1930 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1931 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1932 (gather_blocks_in_sese_region): New.
1933 (struct move_stmt_d): Declare.
1935 (move_block_to_fn): New.
1936 (move_sese_region_to_fn): New.
1938 * passes.c (init_optimization_passes): Schedule
1939 pass_expand_omp after pass_init_datastructures.
1941 * tree-ssa-operands.c (get_expr_operands): Handle
1942 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1943 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1945 2006-01-19 Jeff Law <law@redhat.com>
1947 * tree-vrp.c (extract_range_from_assert): Refine the result range
1948 if the variable referenced by the ASSERT_EXPR has a range and
1949 either the tentative result range or the previous range is a
1952 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1954 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1956 2006-01-19 Jan Hubicka <jh@suse.cz>
1958 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1960 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1962 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1963 (expand_compound_operation, expand_field_assignment): Fail if the
1964 bit lengths of an extract operation are out of range.
1965 (make_extraction): Compute wanted_inner_mode based on the position
1966 and length of the extraction. Make it extraction_mode for non-constant
1967 positions, and do not modify offset in that case. When generating a
1968 new MEM, use a mode that can hold the extraction while keeping correct
1969 alignment. Remove code that supported MEMs wrapped by USEs.
1970 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1972 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1974 * config/s390/s390.md ("Y", "y"): New mode attribute.
1975 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1976 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1977 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1978 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1979 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1980 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1981 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1982 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1983 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1984 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1985 "addsi3", "subsi3"): Insn patterns removed.
1986 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1987 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1988 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1989 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1990 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1991 "*sub<mode>3_cconly2"): New insn patterns.
1992 ("addsi3", "subsi3"): New expanders.
1994 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1996 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1997 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1998 existing STMT_VINFO_VECTYPE if available.
1999 (vect_mark_relevant): Add special handling for stmts that are
2000 marked as STMT_VINFO_IN_PATTERN_P.
2001 (vect_analyze_loop): Call vect_pattern_recog.
2002 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2003 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2005 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2006 (vect_recog_func_ptr): New function-pointer type.
2007 * tree-vect-patterns.c: New file.
2008 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2009 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2010 (vect_pattern_recog_1): New functions.
2011 (vect_pattern_recog_funcs): New array of function pointers.
2013 * tree-vectorizer.h (ternary_op): New enum value.
2014 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2015 declaration. Revised documentation. Removed redundant dump prints.
2016 Removed redundant argument. Added support for reduction patterns.
2017 (vectorizable_reduction): Added support for reduction patterns.
2018 (vect_transform_stmt): Added support for patterns.
2020 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2021 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2022 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2023 (expand_widen_pattern_expr): New function.
2024 (init_optabs): Initialize new optabs udot_prod_optab,
2026 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2027 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2028 (expand_widen_pattern_expr): New function declaration.
2029 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2031 * tree-inline.c (estimate_num_insns_1): Added cases for new
2032 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2033 * tree-pretty-print.c (dump_generic_node): Likewise.
2034 (op_prio): Likewise.
2035 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2036 * tree-ssa-operands.c (get_expr_operands): Added case for
2038 * tree-vect-patterns.c (widened_name_p): New function.
2039 (vect_recog_dot_prod_pattern): Added function implementation.
2040 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2041 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2042 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2043 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2045 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2046 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2047 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2048 (init_optabs): Initialize new optabs widen_ssum_optab,
2050 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2051 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2052 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2053 use instead of type of def.
2054 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2055 function implementation.
2056 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2057 widen_ssumv8hi): New.
2059 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2062 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2065 * c-decl.c (add_flexible_array_elts_to_size): New function.
2066 (finish_decl): Use it.
2068 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2070 * diagnostic.h: Include options.h.
2071 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2072 dependancies for diagnostic.h.
2073 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2075 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2077 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2078 (ssa_ro_call_cache_valid): Ditto.
2079 * tree-ssa-alias.c (sort_tags_by_id): New function.
2080 (init_transitive_clobber_worklist): Ditto.
2081 (add_to_worklist): Ditto.
2082 (mark_aliases_call_clobbered): Ditto.
2083 (compute_tag_properties): Ditto.
2084 (set_initial_properties): Ditto.
2085 (compute_call_clobbered): Ditto.
2086 (compute_may_aliases): Call compute_call_clobbered and grouping.
2087 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2088 (compute_flow_insensitive_aliasing): Grouping now happens in our
2090 (setup_pointers_and_addressables): Remove clobbering related code.
2091 (add_may_alias): Ditto.
2092 (replace_may_alias): Ditto.
2093 (get_nmt_for): Ditto.
2094 (create_global_var):
2095 (is_escape_site): Return an escape_type enumeration.
2096 * tree-flow-inline.h (is_call_clobbered): Global var does not
2097 imply call clobbered.
2098 (mark_call_clobbered): Take a reason for marking this. Remove
2099 marking of globalness, and cache invalidation.
2100 (clear_call_clobbered): Remove cache invalidation code.
2101 * tree-dfa.c (dump_variable): If details is on, dump the reason
2103 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2105 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2106 (struct var_ann_d): Ditto.
2107 (enum escape_type): New.
2108 (mark_call_clobbered): Adjust prototype.
2109 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2110 are never call clobbered.
2111 Record reasons for escaping.
2112 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2113 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2114 (ssa_ro_call_cache_valid): Ditto.
2115 (clobbered_v_may_defs): Ditto.
2116 (clobbered_vuses): Ditto.
2117 (ro_call_vuses): Ditto.
2118 (clobber_stats): New.
2119 (init_ssa_operands): Zero out clobber stats.
2120 (fini_ssa_operands): Print out clobber stats.
2121 (get_call_expr_operands): Pass callee fndecl to
2123 (add_call_clobber_ops): Remove use of cache.
2124 Add use of PURE_CONST information.
2125 (add_call_read_ops): Remove use of cache.
2126 Add use of static not_read information.
2128 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2130 Introduce TLS descriptors for i386 and x86_64.
2131 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2132 (TARGET_ANY_GNU_TLS): New macro.
2133 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2134 (struct machine_function): Add tls_descriptor_call_expanded_p.
2135 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2136 (ix86_current_function_calls_tls_descriptor): Likewise.
2137 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2138 (override_options): Introduce gnu2 tls dialect.
2139 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2141 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2143 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2144 (ix86_init_machine_status): Initialize new field.
2145 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2146 (ix86_tls_module_base): New.
2147 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2148 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2149 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2150 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2151 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2152 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2153 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2154 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2155 * config/i386/predicates.md (tls_modbase_operand): New.
2156 (tp_or_register_operand): New.
2158 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2160 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2161 (look_for_address_of): Ditto.
2162 (ipa_init): Walk the function decls.
2163 (static_execute): Don't set readonly on FUNCTION_DECL's.
2165 2006-01-18 Roger Sayle <roger@eyesopen.com>
2167 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2168 for shifts where the source and destination registers are different.
2170 2006-01-18 Paul Brook <paul@codesourcery.com>
2172 Merge from csl-arm-branch.
2173 2005-03-14 Julian Brown <julian@codesourcery.com>
2174 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2175 (aeabi_llsl): Likewise.
2176 (ashrdi3): Likewise.
2177 (aeabi_lasr): Likewise.
2178 (lshrdi3): Likewise.
2179 (aeabi_llsr): Likewise.
2180 2005-03-10 Julian Brown <julian@codesourcery.com>
2181 * config.gcc: Disable shared libgcc for SymbianOS.
2182 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2184 2006-01-18 DJ Delorie <dj@redhat.com>
2186 * c-pragma.c (handle_pragma_diagnostic): New.
2187 (init_pragma): Register it.
2188 * doc/extend.texi: Document it.
2190 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2191 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2192 (diagnostic_context): Add classify_diagnostic[].
2193 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2194 as errors if they're overridden to DK_WARNING.
2195 (diagnostic_initialize): Initialize classify_diagnostic[].
2196 (diagnostic_set_kind_override): New.
2197 (diagnostic_report_diagnostic): Check for kind changes.
2198 * opts.c (common_handle_option): Take lang_mask. Update callers.
2200 * common.opt (Werror=): New.
2201 * doc/invoke.texi: Document -Werror=*
2203 2006-01-18 Jeff Law <law@redhat.com>
2205 * tree-vrp.c (test_for_singularity): Correct test for new
2206 min limit. Use operand_equal_p rather than pointer equality
2207 for testing if new min/max values are equal.
2209 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2210 using range information until after propagation and folding.
2212 2006-01-18 Richard Henderson <rth@redhat.com>
2213 Aldy Hernandez <aldyh@redhat.com>
2214 Jakub Jelinek <jakub@redhat.com>
2215 Diego Novillo <dnovillo@redhat.com>
2217 * omp-low.c: New file.
2218 * c-omp.c: New file.
2220 2006-01-18 Richard Henderson <rth@redhat.com>
2221 Jakub Jelinek <jakub@redhat.com>
2222 Diego Novillo <dnovillo@redhat.com>
2224 * doc/invoke.texi: Document -fopenmp.
2225 * tree-dump.h (debug_function): Declare.
2226 * hooks.c (hook_bool_tree_bool_false): New function.
2227 (hook_tree_tree_null): Remove.
2228 (hook_tree_tree_tree_null): New.
2229 * hooks.h: Update to match.
2230 * tree-pretty-print.c (debug_tree_chain): New.
2231 (print_generic_expr): Handle TDF_CHAIN.
2232 (dump_generic_node): Handle BLOCK.
2233 Do not abort with incomplete SWITCH_EXPRs.
2234 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2235 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2236 print space after directive name.
2237 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2238 Handle OMP_MASTER and OMP_ORDERED.
2239 Handle printing of OMP_BODY just in one place, goto
2240 dump_omp_body in the rest of OMP_* nodes that have
2242 Don't handle clause nodes here. Update omp statements to
2243 use dump_omp_clauses.
2244 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2245 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2246 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2247 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2248 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2249 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2250 Adjust output for GOMP_PARALLEL.
2251 (dump_omp_clauses): New.
2252 (print_declaration): Dump DECL_VALUE_EXPR.
2253 (op_symbol_1): Split out of op_symbol.
2254 (dumping_stmts): Remove. Update all users.
2255 * cgraph.c (cgraph_analyze_queue): New.
2256 (cgraph_add_new_function): New.
2257 * cgraph.h (cgraph_analyze_queue): Declare.
2258 (cgraph_add_new_function): Declare.
2259 (cgraph_lower_function): Remove.
2260 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2261 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2262 and TYPE_P nodes in its default clause.
2263 (empty_body_p): New.
2264 (tree_range_check_failed): New.
2266 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2267 OMP_CLAUSE_REDUCTION_MERGE,
2268 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2269 OMP_CLAUSE_PRIVATE_DEBUG,
2270 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2271 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2272 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2273 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2274 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2275 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2276 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2277 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2278 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2279 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2280 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2281 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2282 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2283 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2284 (TREE_RANGE_CHECK): New.
2285 (empty_body_p): Declare.
2286 (enum omp_clause_default_kind): New.
2287 (build_string_literal): Declare.
2288 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2289 (build5_stat, build5): Declare.
2290 * tree-pass.h (TDF_CHAIN): Define.
2291 * tree-pass.h (PROP_gimple_lomp): Define.
2292 (pass_lower_omp): Declare.
2293 * diagnostic.h (debug_tree_chain): Declare.
2294 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2296 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2297 * builtins.c (build_string_literal): Make extern.
2298 * gcc.c (include_spec_function): New.
2299 (static_spec_functions): Add it.
2300 (main): Move load of libgomp.spec ...
2301 (LINK_COMMAND_SPEC): ... here.
2302 (link_gomp_spec): New.
2303 (static_specs): Include it.
2304 (LINK_COMMAND_SPEC): Add link_gomp.
2305 (GOMP_SELF_SPECS): New.
2306 (driver_self_specs): Include it.
2307 (switch_matches): Don't mark inline.
2308 (main): Load libgomp.spec.
2309 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2310 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2311 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2312 * tree-gimple.h (enum omp_parallel): Declare.
2313 (determine_parallel_type): Declare.
2314 (omp_firstprivatize_variable): Declare.
2315 (omp_reduction_init): Declare.
2316 (diagnose_omp_structured_block_errors): Declare.
2317 (struct walk_stmt_info): Add want_return_expr.
2318 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2319 (find_omp_clause): Declare.
2320 (insert_field_into_struct): Declare.
2321 (struct walk_stmt_info): Move from tree-nested.c
2322 (walk_stmts): Declare.
2323 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2325 * cgraphunit.c (cgraph_lower_function): Make static.
2326 (cgraph_finalize_pending_functions): New.
2327 (cgraph_finalize_function): Call it.
2328 (cgraph_finalize_compilation_unit): Likewise.
2329 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2330 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2331 (BT_FN_UINT_UINT): New.
2332 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2333 DEF_FUNCTION_TYPE_VAR_4): Document.
2334 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2335 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2336 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2337 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2338 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2339 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2340 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2341 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2342 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2343 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2344 into separate files.
2345 (DEF_GOMP_BUILTIN): New.
2346 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2347 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2348 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2349 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2350 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2351 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2352 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2353 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2354 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2355 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2356 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2357 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2358 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2359 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2360 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2361 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2362 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2363 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2364 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2365 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2366 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2367 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2368 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2369 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2370 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2371 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2372 * sync-builtins.def: New file, moved from builtins.def.
2373 * omp-builtins.def: New file, moved from builtins.def.
2374 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2375 * gimple-low.c (lower_function_body): Clear data.
2376 (lower_stmt): Do not handle COMPOUND_EXPR.
2377 Remove call to print_node_brief.
2378 * c-tree.h (c_finish_omp_clauses): New prototype.
2379 (C_DECL_THREADPRIVATE_P): Define.
2380 (lookup_name_no_remap, c_omp_remap_private): Remove
2381 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2382 (check_for_loop_decls): Update decl.
2383 (lookup_name_no_remap, c_omp_remap_private): Declare.
2384 (build_indirect_ref, build_modify_expr, pushdecl,
2385 pushdecl_top_level): Move to c-common.h.
2386 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2387 before the switch, but just in the 2 places that need it.
2388 * c-decl.c (diagnose_mismatched_decls): Do not check for
2389 mismatched thread-local attributes when OLDDECL is marked
2390 threadprivate and NEWDECL has no thread-local attributes.
2391 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2392 (c_gimple_diagnostics_recursively): Rename from
2393 c_warn_unused_result_recursively. Invoke
2394 diagnose_omp_structured_block_errors.
2395 (check_for_loop_decls): Return a singular decl found.
2396 * langhooks.c (lhd_omp_predetermined_sharing): Return
2397 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2398 (lhd_omp_firstprivatize_type_sizes): New.
2399 (lhd_omp_assignment): New.
2400 (lhd_omp_predetermined_sharing): New.
2401 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2402 (struct lang_hooks_for_types): Add
2403 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2404 omp_predetermined_sharing, omp_disregard_value_expr,
2405 omp_private_debug_clause, omp_clause_default_ctor,
2406 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2407 (c_finish_omp_clauses): New.
2408 (c_finish_bc_stmt): Diagnose break within omp for.
2409 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2410 (build_unary_op): Return error_mark after reporting
2412 (build_modify_expr): Likewise.
2413 * gimplify.c: Include optabs.h and pointer-set.h.
2414 (enum gimplify_omp_var_data): Declare.
2415 (struct gimplify_omp_ctx): Declare.
2416 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2418 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2419 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2420 (splay_tree_compare_decl_uid): New.
2421 (new_omp_context): New.
2422 (delete_omp_context): New.
2423 (gimple_add_tmp_var): Call omp_add_variable.
2424 (gimplify_bind_expr): Likewise.
2425 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2426 true, disregard DECL_VALUE_EXPR on the decl if any.
2427 (gimplify_expr_in_ctx): New.
2428 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2429 omp_add_variable, omp_notice_variable, omp_is_private
2430 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2431 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2432 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2433 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2434 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2435 gimplify_omp_atomic): New.
2436 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2437 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2438 OMP_CRITICAL and OMP_ATOMIC.
2439 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2440 * c-pragma.h (enum pragma_kind): Add
2441 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2442 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2443 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2444 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2445 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2446 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2447 PRAGMA_OMP_THREADPRIVATE.
2448 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2449 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2450 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2451 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2452 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2453 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2454 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2455 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2456 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2457 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2458 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2459 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2460 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2462 (struct nesting_info): Add field_map,
2463 suppress_expansion, debug_var_chain.
2464 (create_nesting_tree): Initialize them.
2465 (lookup_field_for_decl): Use field_map.
2466 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2467 (convert_local_omp_clauses): New.
2468 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2469 (walk_body): Split out of walk_function.
2470 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2471 (convert_nonlocal_reference): Handle omp statements.
2472 (convert_local_reference): Likewise.
2473 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2474 (unnest_nesting_tree): New.
2475 (lower_nested_functions): Call it.
2476 (insert_field_into_struct): Make extern.
2477 (struct walk_stmt_info): Move to tree-gimple.h.
2478 (walk_stmts): Make extern.
2479 * omp-builtins.def: New file.
2480 * tree-iterator.c (expr_only): Clarify comment.
2481 * c-common.h (pushdecl_top_level, pushdecl,
2482 build_modify_expr, build_indirect_ref,
2483 c_finish_omp_master, c_finish_omp_critical,
2484 c_finish_omp_ordered, c_finish_omp_barrier,
2485 c_finish_omp_atomic, c_finish_omp_flush,
2486 c_finish_omp_for, c_split_parallel_clauses,
2487 omp_clause_default_kind, c_omp_sharing_predetermined,
2488 c_omp_remap_decl): Declare.
2489 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2490 (OBJS-common): Add omp-low.o.
2491 (c-omp.o, omp-low.o): Add.
2492 (gimplify.o): Add dependency on $(OPTABS_H).
2493 (GTFILES): Add omp-low.c.
2494 (gt-stringpool.h): Add.
2495 * tree-cfg.c (set_bb_for_stmt): Do not update the
2496 block-to-labels map if we are currently expanding to RTL.
2497 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2499 Handle IDENTIFIER_NODE.
2500 (tree_verify_flow_info): Do not ICE when emitting error
2501 messages about invalid labels.
2502 (dump_function_to_file): Reset CFUN before emitting the body
2504 (debug_function): New.
2505 * passes.c (init_optimization_passes): Schedule
2507 * langhooks-def.h (lhd_omp_predetermined_sharing,
2508 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2510 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2511 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2512 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2513 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2514 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2515 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2516 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2517 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2518 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2519 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2520 (LANG_HOOK_DECLS): Use them.
2522 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2523 Richard Henderson <rth@redhat.com>
2524 Jakub Jelinek <jakub@redhat.com>
2525 Diego Novillo <dnovillo@redhat.com>
2527 * c-parser.c (pragma_omp_clause): Define.
2528 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2529 (c_parser_compound_statement): Likewise.
2530 (c_parser_statement): Likewise.
2531 (c_parser_pragma): Handle omp pragmas.
2532 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2533 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2534 (c_parser_omp_clause_name, check_no_duplicate_clause,
2535 c_parser_omp_variable_list,
2536 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2537 c_parser_omp_clause_copyprivate,
2538 c_parser_omp_clause_default,
2539 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2540 c_parser_omp_clause_lastprivate,
2541 c_parser_omp_clause_nowait,
2542 c_parser_omp_clause_num_threads,
2543 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2544 c_parser_omp_clause_reduction,
2545 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2546 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2547 c_parser_omp_atomic, c_parser_omp_barrier,
2548 c_parser_omp_critical, c_parser_omp_flush,
2549 c_parser_omp_for_loop, c_parser_omp_for,
2550 c_parser_omp_master, c_parser_omp_ordered,
2551 c_parser_omp_sections_scope, c_parser_omp_sections,
2552 c_parser_omp_parallel, c_parser_omp_single,
2553 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2554 * c-pragma.c (init_pragma): Do omp pragma registration here.
2555 * c.opt (fopenmp): New flag.
2557 2006-01-18 Eric Christopher <echristo@apple.com>
2559 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2560 * config/darwin.h (GOMP_SELF_SPECS): Define.
2562 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2564 * rtl.h: Remove the prototype for reg_alloc.
2566 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2569 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2570 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2571 sjlj and dwarf2 exception handling.
2572 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2573 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2574 * pa/pa.c (function_value): Treat complex and vector types as
2576 (function_arg): Likewise. Only pass scalar floats in the floating
2577 point argument registers.
2578 * pa/t-slibgcc-dwarf-ver: New file.
2579 * pa/t-slibgcc-sjlj-ver: New file.
2580 * pa/t-slibgcc-elf-ver: Delete file.
2582 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2584 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2585 unlikely_test_section_p test.
2587 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2589 * mode-switching.c (optimize_mode_switching): Make it static.
2590 * basic-block.h: Remove the prototype for
2591 optimize_mode_switching.
2593 * modulo-sched.c (sms_schedule): Make it static.
2594 * rtl.h: Remove the prototype for sms_schedule.
2596 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2597 * rtl.h: Remove the prototype for gcse_after_reload_main.
2599 * reg-stack.c (reg_to_stack): Make it static.
2600 * rtl.h: Remove the prototype for reg_to_stack.
2602 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2604 * rtl.h: Remove the prototypes for regrename_optimize and
2605 copyprop_hardreg_forward.
2607 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2609 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2610 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2611 Test against the appropriate null constant for the mode.
2612 If 'fixup_overlap' is true, swap the operands if they overlap.
2613 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2614 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2615 alpha_split_tmode_pair and adjust for above change.
2616 * config/alpha/alpha.md (movtf_internal): Adjust call to
2617 alpha_split_tfmode_pair and rely on it to swap the operands.
2618 (movti_internal): New insn and post-reload splitter.
2619 (movti): New expander.
2621 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2623 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2626 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2628 * rtlanal.c (global_reg_mentioned_p_1,
2629 global_reg_mentioned_p): Remove.
2630 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2632 * flow.c (initialize_uninitialized_subregs): Make it static.
2633 * rtl.h: Remove the prototype for
2634 initialize_uninitialized_subregs.
2636 * function.c (instantiate_virtual_regs): Make it static.
2637 * function.h: Remove the prototype for
2638 instantiate_virtual_regs.
2640 * regmove.c (regmove_optimize, combine_stack_adjustments):
2642 * rtl.h: Remove the prototypes for regmove_optimize and
2643 combine_stack_adjustments.
2645 2006-01-17 Roger Sayle <roger@eyesopen.com>
2647 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2648 (size_cost): Encode costs in bytes so that a reg-reg addition is
2649 equivalent to COSTS_N_INSNS(1).
2650 (override_options): Use the size_cost.branch_cost as the default
2651 ix86_branch_cost when optimizing for size.
2653 2006-01-18 Ben Elliston <bje@au.ibm.com>
2655 * Makefile.in (D32PBIT_FUNCS): New.
2656 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2657 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2658 D64PBIT_FUNCS and D128PBIT_FUNCS.
2659 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2660 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2662 (decnumber_dep): Define.
2663 * doc/libgcc.texi (Decimal float library routines): New node.
2664 * config/dfp-bit.h, config/dfp-bit.c: New files.
2666 2006-01-18 Ben Elliston <bje@au.ibm.com>
2668 * expr.c (emit_move_change_mode): Always adjust addresses, not
2669 just during reload. Copy replacements only during reload.
2670 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2671 emit_move_via_integer.
2673 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2675 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2676 instead of $(srcdir) and ${srcdir}.
2678 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2682 * arm.h (struct machine_function): Add pic_reg.
2683 * arm.c (arm_pic_register): Make unsigned.
2684 (arm_override_options): Only set arm_pic_register if
2685 TARGET_SINGLE_PIC_BASE.
2686 (use_return_insn): Only test for a pic register if it is fixed.
2687 (arm_compute_save_reg0_reg12_mask): Likewise.
2688 (thumb_compute_save_reg_mask): Likewise.
2689 (legitimate_pic_operand): Factor out some known invariants.
2690 (legitimize_pic_address): If we don't have a fixed pic register,
2691 then set up a pseudo in the function entry sequence. Handle the
2692 pic base being in a pseudo.
2693 (arm_load_pic_register): Handle the pic register being in a pseudo.
2694 (arm_expand_prologue): Only set up the pic register if it is fixed.
2695 (thumb_expand_prologue): Likewise.
2696 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2697 (pic_load_addr_based_insn): Likewise.
2698 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2701 2006-01-18 Ben Elliston <bje@au.ibm.com>
2703 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2704 decimal float modes for all floating point registers.
2706 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2707 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2709 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2712 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2713 even when the pointer is not NULL.
2715 2006-01-16 Ian Lance Taylor <ian@airs.com>
2717 * common.opt (ftoplevel-reorder): New option.
2718 * cgraph.c (cgraph_asm_nodes): New global variable.
2719 (cgraph_asm_last_node): New static variable.
2720 (cgraph_order): New global variable.
2721 (cgraph_create_node): Set new order field.
2722 (cgraph_varpool_node): Likewise.
2723 (decide_is_variable_needed): Return true if not
2724 flag_toplevel_reorder.
2725 (cgraph_add_asm_node): New function.
2726 * cgraph.h (struct cgraph_node): Add order field.
2727 (struct cgraph_varpool_node): Add order field.
2728 (struct cgraph_asm_node): Define.
2729 (cgraph_asm_nodes, cgraph_order): Declare.
2730 (cgraph_add_asm_node): Declare.
2731 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2733 (cgraph_varpool_assemble_pending_decls): Call it.
2734 (cgraph_output_pending_asms): New static function.
2735 (cgraph_finalize_compilation_unit): Call it.
2736 (struct cgraph_order_sort): Define.
2737 (cgraph_output_in_order): New static function.
2738 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2739 !flag_toplevel_reorder case.
2740 * c-parser.c: Include "cgraph.h".
2741 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2743 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2744 than -fno-unit-at-a-time.
2745 * doc/invoke.texi (Option Summary): Mention
2746 -fno-toplevel-reorder.
2747 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2748 -funit-at-a-time documentation.
2750 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2751 Kazu Hirata <kazu@codesourcery.com>
2753 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2755 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2757 * Makefile.in (FUNCTION_H): New. Use it instead of
2758 function.h throughout the file.
2759 * function.h: Include tree.h.
2761 2006-01-17 Ben Elliston <bje@au.ibm.com>
2763 * recog.c: Separate some functions with whitespace.
2765 2006-01-16 Richard Henderson <rth@redhat.com>
2767 Merge from gomp branch:
2768 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2769 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2770 and rename from struct inline_data. Rename callee* to dst*;
2771 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2772 transform_new_cfg, transform_return_to_modify, and
2773 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2775 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2776 (copy_decl_for_dup): Remove.
2777 * tree-inline.c (struct inline_data): Move to header.
2778 (insert_decl_map): Export.
2779 (remap_decl): Update for member name changes. Use copy_decl hook.
2780 Allow for replacement to be a non-decl. Remove dead code.
2781 (remap_type_1): Check for existing mapping.
2782 (remap_type): Export.
2783 (remap_decls): Update for member name changes.
2784 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2785 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2786 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2787 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2788 (tree_function_versioning, build_duplicate_type): Likewise.
2789 (copy_body_r): Likewise. Export.
2790 (copy_decl_for_dup): Split into ...
2791 (copy_decl_for_dup_finish, copy_decl_to_var,
2792 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2793 (replace_ref_tree, inlining_p): Remove.
2795 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2797 * ifcvt.c (if_convert): Make it static.
2798 * rtl.h: Remove the prototype for if_convert.
2800 * local-alloc.c (local_alloc): Make it static.
2801 * rtl.h: Remove the prototype for local_alloc.
2803 * loop.c (loop_optimize): Make it static.
2804 * cfgloop.h: Remove the prototype for loop_optimize.
2807 2006-01-16 DJ Delorie <dj@redhat.com>
2809 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2812 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2814 * pa.md: Disparage copies between general and floating-point registers
2815 in 32-bit move patterns.
2817 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2820 * Makefile.in (check-%): Depend on site.exp instead of
2821 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2824 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2826 * global.c (global_alloc): Make it static.
2827 * rtl.h: Remove the prototype for global_alloc.
2829 2006-01-16 Richard Guenther <rguenther@suse.de>
2831 * tree-ssa-alias.c (struct used_part): Add write_only field.
2832 (get_or_create_used_part_for): Initialize it to true.
2833 (create_overlap_variables_for): Don't create structure variables
2834 for structures that only are written to.
2835 (find_used_portions): Handle MODIFY_EXPR to track whether a
2836 structure is only written to.
2838 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2840 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2842 * basic-block.h: Remove the prototype for
2843 partition_hot_cold_basic_blocks.
2845 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2847 * cppspec.c (lang_specific_spec_functions): Remove.
2848 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2849 * gcc.h (lang_specific_spec_functions): Remove.
2850 * gccspec.c (lang_specific_spec_functions): Remove.
2852 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2854 * combine.c (record_value_for_reg): Invalidate registers
2856 (record_dead_and_set_regs_1): Likewise, by passing them to
2857 record_value_for_reg.
2858 (record_dead_and_set_regs): Invalidate stores made by a
2859 call. We do not combine across a call, but we still
2860 relied on equivalences.
2862 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2864 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2865 vrp_int_const_binop returning non-constant nodes.
2867 2006-01-16 Paul Brook <paul@codesourcery.com>
2869 * config/m68k/m68k.c (output_move_const_into_data_reg):
2870 Output correct mnemonic for mvz and mvs.
2872 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2874 * rtl-factoring.c: Add sequence abstraction algorithm.
2875 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2876 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2878 (block_has_preserve_label): New function.
2879 * common.opt: Register new pass.
2880 * Makefile.in: Ditto.
2882 * timevar.def: Ditto.
2883 * tree-pass.h: Ditto.
2884 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2885 * rtl.h (make_jump_insn_raw): Add forward decl.
2886 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2888 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2889 Roger Sayle <roger@eyesopen.com>
2891 * fold-const.c (fold_minmax): New static function.
2892 (fold_binary) <MIN_EXPR>: Call it.
2893 <MAX_EXPR>: Likewise.
2894 * stor-layout.c (place_field): Use DECL_SIZE consistently
2895 in the computation of the new record size.
2897 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2899 * cse.c (cse_condition_code_reg): Make it static.
2900 * rtl.h: Remove the prototype for cse_condition_code_reg.
2902 * combine.c (combine_instructions): Make it static.
2903 * rtl.h: Remove the prototype for combine_instructions.
2905 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2908 * tree.c (get_file_function_name_long): Concatenate the first global
2909 object name with a string derived from the input filename of the object
2912 2006-01-16 Ben Elliston <bje@au.ibm.com>
2914 * config/i386/winnt-stubs.c: Update FSF address.
2915 * config/xtensa/ieee754-df.S: Ditto.
2916 * config/xtensa/ieee754-sf.S: Ditto.
2918 2006-01-14 Ian Lance Taylor <ian@airs.com>
2920 * ifcvt.c (noce_init_if_info): New static function, broken out of
2921 noce_process_if_block.
2922 (noce_process_if_block): Call noce_init_if_info.
2923 (check_cond_move_block): New static function.
2924 (cond_move_process_if_block): New static function.
2925 (process_if_block): Call cond_move_process_if_block.
2927 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2929 * cselib.c (hash_table): Rename to cselib_hash_table.
2930 (cselib_clear_table, discard_useless_values,
2931 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2932 cselib_init, cselib_finish): Adjust uses of hash_table.
2934 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2936 PR tree-optimization/25485
2937 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2938 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2939 is known to be false and true, respectively.
2941 2006-01-14 Richard Guenther <rguenther@suse.de>
2943 PR tree-optimization/22548
2944 PR tree-optimization/22555
2945 PR tree-optimization/22501
2946 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2947 * params.def (salias-max-array-elements): New parameter.
2948 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2949 * doc/invoke.texi (salias-max-array-elements): Document.
2950 * tree-flow-inline.h (var_can_have_subvars): We also handle
2952 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2954 * tree-ssa-structalias.c (params.h): Include.
2955 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2956 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2957 (get_constraint_for): For ADDR_EXPR operating on something
2958 containing an ARRAY_REF, add all subvars to the solution.
2959 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2960 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2961 for creating MUST_DEFs.
2962 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2964 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2966 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2968 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2969 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2970 number_of_iterations_le): New functions.
2971 (number_of_iterations_special): Removed.
2972 (number_of_iterations_exit): Do not use number_of_iterations_special.
2973 * tree.c (unsigned_type_for): Always return integer type.
2975 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2976 Richard Guenther <rguenther@suse.de>
2978 PR rtl-optimization/24257
2979 * gcse.c (find_moveable_store): Only consider a store movable
2980 when the SET_SRC of the insn can be assigned to a register.
2982 2006-01-14 Ian Lance Taylor <ian@airs.com>
2984 * tree.c (tree_not_class_check_failed): New function.
2985 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2986 (tree_not_class_check_failed): Declare.
2988 2006-01-13 Ian Lance Taylor <ian@airs.com>
2990 * reload1.c (do_output_reload): Add assertion rejecting a
2993 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2995 * combine.c (struct reg_stat): Add new fields truncation_label and
2997 (record_value_for_reg): Reset truncated_to_mode.
2998 (record_truncated_value): New function.
2999 (check_promoted_subreg): Call it. Rename to check_conversions.
3000 (combine_instructions): Rename check_promoted_subreg to
3002 (reg_truncated_to_mode): New function.
3003 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3004 (gen_lowpart_or_truncate): New function.
3005 (force_to_mode): Use it instead of gen_lowpart.
3007 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3009 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3010 VAR is a tag, not its type tag.
3012 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3014 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3015 alternatives to match style of other entries.
3016 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3018 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3020 PR tree-optimization/25771
3021 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3024 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3027 * tree-inline.c (declare_return_variable): If the return variable
3028 was marked as a non gimple complex, set the return slot variable
3029 to be a non gimple comple variable.
3031 2006-01-13 Richard Guenther <rguenther@suse.de>
3033 * builtins.c (expand_builtin_sincos): New function.
3034 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3036 (expand_builtin): Expand sincos using expand_builtin_sincos.
3038 2006-01-12 DJ Delorie <dj@redhat.com>
3040 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3041 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3042 so that constant shifts can be split.
3043 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3044 (m32c_valid_pointer_mode): Make static.
3045 (shift_gen_func_for): New.
3046 (m32c_prepare_shift): Use it. Split large const shifts into
3048 * config/m32c/predicates.md (shiftcount_operand): Allow more
3050 (longshiftcount_operand): New.
3051 * doc/md.texi (Machine Constraints): Document In6.
3053 2006-01-13 Ben Elliston <bje@au.ibm.com>
3055 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3056 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3059 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3061 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3062 to try to avoid clobbering pieces of structures when we know
3063 something about the whole structure.
3064 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3066 2006-01-13 Ben Elliston <bje@au.ibm.com>
3068 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3069 return in memory, as this is no limitation is no longer present.
3071 2006-01-12 DJ Delorie <dj@redhat.com>
3073 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3074 mova with fb, and for fb+0 -> An.
3076 * config/m32c/mov.md (peephole2): Fix enabling logic.
3078 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3079 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3080 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3081 FINI_ARRAY_SECTION_ASM_OP): Define.
3083 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3085 (m32c_legitimize_reload_address): New logic to reload FB to An.
3086 (m32c_output_reg_push): Add newline.
3087 (m32c_output_reg_pop): Likewise.
3089 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3091 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3093 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3095 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3097 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3099 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3102 2006-01-11 Ben Elliston <bje@au.ibm.com>
3104 * rtlanal.c (find_reg_note): Assert insn is not null.
3106 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3108 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3111 2006-01-11 Jeff Law <law@redhat.com>
3113 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3115 (mark_threaded_blocks, register_jump_thread): New functions.
3116 (thread_through_all_blocks): Remove unwanted argument. No
3117 longer rely on e->aux to communicate thread target info.
3118 Call mark_threaded_blocks. Release the threaded_blocks
3119 bitmap and threaded_edges vector when complete.
3120 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3121 (threaded_blocks): Remove.
3122 (tree_ssa_dominator_optimize): Remove initialization and
3123 finalization of threaded_blocks. Simplify call to
3124 thread_through_all_blocks.
3125 (thread_across_edge): Call register_jump_thread rather than
3126 storing thread information into e->aux.
3127 (free_all_edge_infos): Simplify now that e->aux is no longer
3128 used to communicate with thread_through_all_blocks.
3129 * tree-flow.h (thread_through_all_blocks): Update prototype.
3130 (register_jump_thread): Prototype.
3132 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3134 * df-core.c (df_compact_blocks, df_bb_replace): Use
3135 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3137 2006-01-11 Richard Guenther <rguenther@suse.de>
3139 PR tree-optimization/25734
3140 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3141 stop propagation after successful propagation to the LHS.
3143 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3145 * basic-block.h (control_flow_graph): Change the type of
3146 x_basic_block_info to VEC(basic_block,gc) *.
3147 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3149 (SET_BASIC_BLOCK): New.
3150 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3151 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3152 * cfgbuild.c (find_basic_blocks): Likewise.
3153 * cfglayout.c (fixup_reorder_chain): Likewise.
3154 * cfgrtl.c (create_basic_block_structure,
3155 rtl_create_basic_block): Likewise.
3156 * ifcvt.c (find_if_case_1): Likewise.
3157 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3160 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3162 * Makefile.in: Removed rotted odf.c entry.
3164 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3167 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3168 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3169 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3170 output pattern modifier, not %e.
3171 * config/cris/cris.c (cris_op_str): Update comment about pattern
3173 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3174 before falling through into...
3175 <case 'E'>: Redefined from old 'e' case.
3177 2006-01-11 Jan Hubicka <jh@suse.cz>
3180 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3182 2006-01-11 Jan Hubicka <jh@suse.cz>
3184 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3185 * i386.c (x86_decompose_lea): Kill.
3186 (ix86_rtx_costs): Kill.
3188 2006-01-11 Jan Hubicka <jh@suse.cz>
3190 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3191 * cgraph.h (cgraph_node): Add inline_decl.
3192 (cgraph_insert_node_to_hashtable): Declare.
3193 (save_inline_function_body): Declare.
3194 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3196 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3197 (cgraph_function_versioning): Update call of tree_function_versioning.
3198 (save_inline_function_body): New function.
3199 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3200 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3201 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3202 (cgraph_default_inline_p): Likewise.
3203 (cgraph_decide_inlining_incrementally): Likewise.
3204 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3205 (copy_bb): Kill saving; do updating of clones.
3206 (copy_cfg_body): Kill saving.
3207 (initialize_inlined-parameters): Likewise.
3208 (expand_call_inline): Likewise.
3210 (tree_function_versioning): New parameter "update_clones".
3211 (inlining_p): Kill saving.
3212 * tree-inline.h (tree_function_versioning): Update prototype.
3213 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3216 2006-01-11 Ian Lance Taylor <ian@airs.com>
3218 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3219 Allow undoing set of machine mode.
3220 (do_SUBST): Use enums instead of is_int.
3221 (do_SUBST_MODE): New function.
3222 (SUBST_MODE): New macro.
3223 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3224 reg and trying to replace reg_regno_rtx with a new register.
3225 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3226 (simplify_set): Use SUBST_MODE.
3227 (distribute_notes): Remove code that tried to update reg notes
3228 for regno_reg_rtx changes.
3230 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3232 PR tree-optimization/23109
3233 PR tree-optimization/23948
3234 PR tree-optimization/24123
3236 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3237 * tree-cfg.c (single_noncomplex_succ): New.
3238 * tree-flow.h (single_noncomplex_succ): Declare it.
3239 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3240 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3241 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3242 insert_bb, register_division_in, insert_reciprocals,
3243 replace_reciprocal, free_bb): New.
3244 (execute_cse_reciprocals_1): Rewritten.
3245 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3246 Do not commit any edge insertion. Always compute dominators and
3247 create the allocation pool.
3248 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3249 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3250 * targhooks.c (default_min_divistions_for_recip_mul): New.
3251 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3252 * passes.c (init_optimization_passes): Run recip after tree loop
3254 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3256 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3257 Kenneth Zadeck <zadeck@naturalbridge.com>
3259 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3260 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3261 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3262 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3263 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3264 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3265 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3266 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3267 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3268 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3269 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3270 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3271 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3272 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3273 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3274 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3275 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3276 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3277 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3278 DF_SCAN_POST_ALLOC): New macros.
3279 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3280 df_free_bb_function, df_local_compute_function, df_init_function,
3281 df_dataflow_function, df_confluence_function_0,
3282 df_confluence_function_n, df_transfer_function,
3283 df_finalizer_function, df_free_function, df_dump_problem_function,
3284 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3285 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3286 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3287 df_urec_bb_info, ) New types.
3288 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3290 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3291 df_analyze_simple_change_some_blocks,
3292 df_analyze_simple_change_one_block, df_compact_blocks,
3293 df_bb_replace, df_bb_regno_last_use_find,
3294 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3295 df_insn_regno_def_p, df_find_def, df_find_use,
3296 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3297 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3298 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3299 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3300 debug_df_chain, df_get_dependent_problem, df_chain_create,
3301 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3302 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3303 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3304 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3305 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3306 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3307 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3308 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3309 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3310 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3311 df_reorganize_refs, df_set_state, df_hard_reg_init,
3312 df_read_modify_subreg_p) New public functions.
3313 * df-core.c: The core dataflow solver and glue routines for rtl
3315 (df_init, df_add_problem, df_set_blocks, df_finish,
3316 df_hybrid_search_forward, df_hybrid_search_backward,
3317 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3318 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3319 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3320 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3321 df_reg_defined, df_find_use, df_reg_used, df_dump,
3322 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3323 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3324 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3325 debug_df_useno, reset_df_after_reload): New functions.
3326 * df-scan.c: The scanning fuctions, once in df.c, completely
3327 rewritten so that they now fully model the functionality of
3328 register usage at the backend.
3329 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3330 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3331 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3332 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3333 df_get_artificial_defs, df_get_artificial_uses,
3334 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3335 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3336 df_refs_delete, df_reorganize_refs, df_set_state,
3337 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3338 df_def_record_1, df_defs_record, df_uses_record,
3339 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3340 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3341 df_record_exit_block_uses, df_hard_reg_init): New functions.
3343 * df-problems.c: Seven concrete dataflow problems that use the
3344 scanning in df-scan.c and are solved by the engine in df-core.c.
3345 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3346 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3347 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3348 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3349 df_ru_free_bb_info, df_ru_alloc,
3350 df_ru_bb_local_compute_process_def,
3351 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3352 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3353 df_ru_transfer_function, df_ru_free, df_ru_dump,
3354 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3355 df_rd_free_bb_info, df_rd_alloc,
3356 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3357 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3358 df_rd_transfer_function, df_rd_free, df_rd_dump,
3359 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3360 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3361 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3362 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3363 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3364 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3365 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3366 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3367 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3368 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3369 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3370 df_urec_mark_reg_use_for_earlyclobber,
3371 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3372 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3373 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3374 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3375 df_chain_create_bb_process_use, df_chain_create_bb,
3376 df_chain_finalize, df_chain_free, df_chains_dump,
3377 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3378 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3379 df_reg_lifetime): New functions.
3380 * df.c: Deleted file.
3381 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3382 consistent with new df api.
3383 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3384 rest_of_handle_sms): Ditto.
3385 * web.c (unionfind_union, union_defs, entry_register, web_main):
3387 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3388 invariant_expr_equal_p, find_defs, check_dependencies,
3389 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3390 free_inv_motion_data, move_loop_invariants): Ditto.
3391 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3392 Update dependencies.
3393 (odf.c): Added defective entry that was deleted later in day.
3394 * sched-deps.c (sched_analyze_1): Ditto.
3396 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3398 * tree-ssa-operands.c (get_expr_operands): Record addressable
3399 variables directly. Do not call add_stmt_operands for CONST_DECLs
3401 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3402 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3404 2006-01-11 Ben Elliston <bje@au.ibm.com>
3406 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3407 function returns true in the positive case.
3409 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3412 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3413 for SI, DI, SF and DF modes. Add alternatives to copy between
3414 general and floating point registers to the 32-bit patterns.
3415 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3416 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3417 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3418 generating 64-bit code.
3419 * config/pa/pa.c (output_move_double): Handle copies between general
3420 and floating registers.
3422 2006-01-10 Stuart Hastings <stuart@apple.com>
3424 * config/i386/i386.md (set_got): Update.
3425 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3426 (builtin_setjmp_receiver): Mach-O support.
3427 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3428 (GOT_SYMBOL_NAME): Define.
3429 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3430 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3431 * config/i386/i386.c (override_options): Revise for Darwin.
3432 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3433 support. (darwin_x86_file_end): New. (output_set_got): Add label
3434 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3435 * config/i386/i386-protos.h (output_set_got): Likewise.
3436 * config/darwin.c (machopic_legitimize_pic_address): Update
3439 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3441 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3442 when MODE isn't BLKmode.
3444 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3446 PR rtl-optimization/25367
3447 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3449 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3452 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3453 for a negative bound.
3455 2006-01-10 Richard Guenther <rguenther@suse.de>
3457 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3458 Never override with anything constraint.
3460 2006-01-10 Jan Beulich <jbeulich@novell.com>
3462 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3463 256 bits when optimize_size.
3465 2006-01-10 Jan Beulich <jbeulich@novell.com>
3467 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3469 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3470 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3473 2006-01-10 Ben Elliston <bje@au.ibm.com>
3475 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3477 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3478 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3479 (USE_FP_FOR_ARG): Reject decimal float modes.
3480 (function_arg_advance): Likewise.
3481 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3482 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3483 point types in AltiVec vectors.
3484 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3485 (rs6000_libcall_value): Likewise.
3487 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3489 * config/xtensa/ieee754-df.S: New file.
3490 * config/xtensa/ieee754-sf.S: New file.
3491 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3492 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3493 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3495 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3497 * config/sh/predicates.md (binary_float_operator,
3498 binary_logical_operator, commutative_float_operator,
3499 equality_comparison_operator, greater_comparison_operator,
3500 less_comparison_operator, logical_operator,
3501 noncommutative_float_operator, shift_operator,
3502 symbol_ref_operand, unary_float_operator): Remove redundant
3505 2006-01-09 Jeff Law <law@redhat.com>
3507 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3508 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3509 now unused arguments. Callers updated.
3510 (eliminate_redundant_computations): Remove now unused arguments,
3512 (local_fold): Remove, no longer used.
3513 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3515 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3516 (simplify_cond): New function.
3517 (forward_propagate_into_cond): Call simplify_cond.
3519 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3521 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3522 (*vec_extractv2di_1_sse): New.
3524 2006-01-09 Ben Elliston <bje@au.ibm.com>
3526 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3528 2006-01-08 Richard Guenther <rguenther@suse.de>
3530 * tree-ssa-structalias.c (get_constraint_for): Remove
3532 (get_constraint_for_component_ref): Likewise.
3533 (do_deref): Likewise.
3534 (get_constraint_for): Likewise.
3535 (do_structure_copy): Likewise.
3536 (handle_ptr_arith): Likewise.
3537 (find_func_aliases): Likewise. Remove unused need_anyoffset
3540 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3541 Kaz Kojima <kkojima@gcc.gnu.org>
3543 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3544 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3545 (EXTRA_CONSTRAINT_C16): Remove.
3546 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3547 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3548 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3549 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3550 constants of SHmedia. Handle nested constant expressions of
3552 (andcosts): Fix the costs for SHmedia constants.
3553 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3554 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3555 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3556 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3557 (movv4hi_i, movv2si_i): Likewise.
3558 (movsi_const): Adjust the second operand of ior so to match with
3560 (movdi_const, movdi_const_32bit): Likewise.
3561 (movdi_const_16bit+1): Don't sign-extend LOW.
3562 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3564 (*double_shori): Fix the split condition. Use GEN_INT instead
3565 of get_int_mode calls. Mask lower 16-bit of the argument of
3567 (sym2GOTPLT): Remove.
3568 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3570 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3571 instead of EXTRA_CONSTRAINT_C16.
3573 2006-01-07 Ian Lance Taylor <ian@airs.com>
3574 David Edelsohn <edelsohn@gnu.org>
3576 PR rtl-optimization/25662
3577 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3578 for constant operands instead of simplify_gen_binary.
3579 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3580 after trying simplify_binary_operation
3582 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3584 * tree.c (iterative_hash_expr): Hash decls based on UID.
3586 2006-01-06 Eric Christopher <echristo@apple.com>
3588 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3589 (TARGET_UNWIND_EMIT): Fix spelling.
3590 * target.h (gcc_target): Add except_table_label.
3591 * except.c (output_function_exception_table): Use.
3592 * varasm.c (default_emit_except_table_label): New.
3593 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3595 (asm_out): Add here.
3596 * output.h (default_emit_except_table_label): Prototype.
3597 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3598 * config/darwin.c (darwin_emit_except_table_label): Define.
3599 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3601 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3603 PR tree-optimization/18527
3604 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3605 number_of_iterations_special, number_of_iterations_exit):
3606 Move base and step of an iv to a single structure. Add
3607 no_overflow flag, and use it in # of iterations analysis.
3608 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3609 folded_casts argument.
3610 (simple_iv): Pass base and step in a structure. Set no_overflow
3612 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3613 Evaluate expensiveness of computing # of iterations instead of
3614 the final expression.
3615 * tree-scalar-evolution.h (affine_iv): New structure.
3616 (simple_iv): Declaration changed.
3617 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3618 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3619 find_givs_in_stmt): Changed due to simple_iv change.
3621 2006-01-06 Jeff Law <law@redhat.com>
3624 * tree-cfg.c (bsi_replace): Rename final argument from
3625 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3626 change (stmt -> orig_stmt).
3627 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3628 (bsi_remove): Add new argument. Remove EH information
3630 (verify_eh_throw_table_statements): New function.
3631 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3633 * tree-optimize.c (execute_free_cfg_annotations): Verify
3634 the EH throw statement table after removing annotations.
3635 * except.h (verify_eh_throw_table_statements): Prototype.
3636 * tree-flow.h (bsi_remove): Update prototype.
3637 * tree-vrp.c (remove_range_assertions): Add new argument to
3639 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3640 * tree-complex.c (expand_complex_div_wide): Likewise.
3641 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3642 * tree-tailcall.c (eliminate_tailcall): Likewise.
3643 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3644 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3645 * tree-nrv.c (tree_nrv): Likewise.
3646 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3647 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3648 (combine_blocks): Likewise.
3649 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3650 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3651 (cleanup_control_flow): Likewise.
3652 (remove_forwarder_block): Likewise.
3653 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3654 * tree-sra.c (sra_replace): Likewise.
3655 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3656 (forward_propagate_single_use_vars): Likewise.
3657 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3658 * tree-inline.c (expand_call_inline): Likewise.
3659 * tree-vect-transform.c (vect_transform_loop): Likewise.
3660 * tree-outof-ssa.c (rewrite_trees): Likewise.
3661 * tree-cfg.c (make_goto_expr_edges): Likewise.
3662 (cleanup_dead_labels): Likewise.
3663 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3664 (bsi_move_before, bsi_move_after): Likewise.
3665 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3666 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3668 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3671 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3673 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3674 on non gimple variables. Also add checks at the top for decls and
3676 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3678 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3679 and IMAGPART_EXPR for creating MUST_DEFs.
3680 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3681 and NAME_MEMORY_TAG separately from the DECLs.
3683 2006-01-06 Richard Guenther <rguenther@suse.de>
3685 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3686 annotation, if necessary.
3687 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3688 redundant calls to update_stmt.
3689 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3692 2006-01-05 Richard Henderson <rth@redhat.com>
3694 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3696 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3698 * c-typeck.c: Update copyright date.
3700 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3702 * c-typeck.c (build_c_cast): Always warn when casting
3703 from a pointer to an integer of different size, even if
3704 the node was constant.
3706 2006-01-05 Richard Guenther <rguenther@suse.de>
3708 PR tree-optimization/22555
3709 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3710 if one structure field is an array.
3711 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3712 operands even if we found a subvar, but ignore VOPs in this
3714 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3716 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3718 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3721 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3723 2006-01-05 Richard Guenther <rguenther@suse.de>
3724 Diego Novillo <dnovillo@redhat.com>
3726 * tree-pass.h (TODO_remove_unused_locals): Define.
3727 * gimple-low.c (expand_var_p, remove_useless_vars,
3728 pass_remove_useless_vars): Remove. Update all users.
3729 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3730 (remove_unused_locals): New function.
3731 * tree-flow.h (remove_unused_locals): Declare.
3732 * passes.c (execute_todo): Call remove_unused_locals if
3733 TODO_remove_unused_locals is set.
3734 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3735 * tree-ssa-dce.c (pass_dce): Likewise.
3736 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3738 2006-01-05 Richard Guenther <rguenther@suse.de>
3740 * tree-flow.h (struct fieldoff): Decompose field to
3741 type, size and decl.
3742 * tree-ssa-alias.c (create_sft): Take type as parameter.
3743 (create_overlap_variables_for): Store type, size and decl
3744 in the fieldoff structure.
3745 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3747 (push_fields_onto_fieldstack): Likewise.
3748 (create_variable_info_for): Likewise. Use offset for the
3749 SFT name if the decl is not available.
3751 2006-01-04 Paul Brook <paul@codesourcery.com>
3753 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3755 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3757 * lambda-code.c (can_put_in_inner_loop): Relax
3759 (can_put_after_inner_loop): New function.
3760 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3761 (perfect_nestify): Change to make copies and modify uses.
3763 2006-01-04 Richard Henderson <rth@redhat.com>
3765 Merge from gomp branch:
3766 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3767 via integer constant.
3768 (pragma_lex): Remove.
3769 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3770 rather than parsing it.
3771 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3772 handle_pragma_extern_prefix): Add %< %> quotes.
3773 (registered_pragmas): New.
3774 (c_register_pragma_1): New.
3775 (c_register_pragma): Use it.
3776 (c_register_pragma_with_expansion): Likewise.
3777 (c_invoke_pragma_handler): New.
3778 (init_pragma): Use cpp_register_deferred_pragma directly for
3780 * c-pragma.h (enum pragma_kind): New.
3781 (pragma_handler): New.
3782 (c_invoke_pragma_handler): Declare.
3783 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3785 * c-common.h (c_common_pch_pragma): Update decl.
3786 * Makefile.in (c-parser.o): Update dependencies.
3787 (GTFILES): Add c-pragma.h.
3788 * c-parser.c (struct c_token): Add pragma_kind.
3789 (struct c_parser): Add in_pragma.
3790 (c_lex_one_token): Always initialize keyword and pragma_kind.
3791 Extract data for CPP_PRAGMA.
3792 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3793 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3794 Don't allow CPP_PRAGMA_EOL if in_pragma.
3795 (c_parser_consume_pragma): New.
3796 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3797 (c_parser_skip_to_end_of_parameter): Likewise.
3798 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3799 (c_parser_skip_to_pragma_eol): New.
3800 (c_parser_external_declaration): Handle CPP_PRAGMA.
3801 (c_parser_compound_statement_nostart): Likewise.
3802 (c_parser_statement_after_labels): Likewise.
3803 (c_parser_pragma): New.
3804 (pragma_lex): Likewise.
3805 (c_parser_pragma_pch_preprocess): New.
3806 (c_parser_new): Merge into ...
3807 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3809 2006-01-04 Jeff Law <law@redhat.com>
3812 * tree-cfg.c (bsi_replace): Remove the original statement
3813 from the EH throw statement table.
3815 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3817 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3818 make the prototype extern "C" and add throw ().
3821 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3822 and pos non-negative and pos + len <= 32.
3823 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3824 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3825 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3828 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3829 as well as sizes not multiple of component size.
3832 * function.c (instantiate_expr): New function.
3833 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3834 walk its DECL_VALUE_EXPR with instantiate_expr.
3836 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3837 DW_OP_deref{,_size} if address isn't going to be added.
3839 2006-01-04 Ben Elliston <bje@au.ibm.com>
3841 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3842 * config/fp-bit.c: Likewise.
3844 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3846 * dominance.c: Add comment about why we use DFS numbering
3849 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3850 Richard Henderson <rth@redhat.com>
3852 Merge from gomp-branch:
3853 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3854 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3856 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3858 PR rtl-optimization/25578
3859 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3860 pass a parameter to simplify_shift_const if changing ASHIFTRT
3863 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3865 * builtins.c (get_builtin_sync_mem): New function.
3866 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3867 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3868 Call get_builtin_sync_mem to generate mem rtx.
3870 2006-01-03 Richard Guenther <rguenther@suse.de>
3873 * stmt.c (add_case_node): Make sure to clear overflow flags
3876 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3878 Merge from gomp-branch.
3879 * config/sparc/sync.md: New file.
3880 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3881 UNSPECV_LDSTUB): New constants.
3882 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3883 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3884 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3887 2006-01-03 Roger Sayle <roger@eyesopen.com>
3889 * combine.c (reg_subword_p): New predicate to test whether the
3890 destination of a set refers to a subword/piece of a register.
3891 (try_combine): Generalize the code to merge the setting of a
3892 pseudo to a constant followed by a set of a subword of that
3893 register to a constant.
3895 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3897 * basic-block.h (control_flow_graph): Change the type of
3898 x_label_to_block_map to VEC(basic_block,gc) *.
3899 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3900 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3902 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3903 VEC(basic_block,heap) *.
3904 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3905 ssa_prop_fini): Adjust the uses of cfg_blocks.
3907 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3909 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3911 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3912 hashing trees instead of a pointer hash.
3913 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3914 compare for MEM_EXPR.
3916 PR rtl-optimization/25130
3917 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3918 when comparing MEMs for GCSE
3920 2006-01-03 Ben Elliston <bje@au.ibm.com>
3922 * targhooks.h (default_decimal_float_supported_p): Declare.
3923 * targhooks.c (default_decimal_float_supported_p): Define.
3924 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3925 `default_decimal_float_supported_p'.
3926 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3928 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3930 * combine.c (apply_distributive_law <SUBREG>): Check
3931 TRULY_NOOP_TRUNCATION.
3933 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3935 * dwarf2out.c (have_switched_text_section): Delete.
3936 (have_multiple_function_sections): New.
3937 (have_location_lists): Make 'bool'.
3938 (add_AT_loc_list): Use 'true' not '1'.
3939 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3940 (output_loc_list): Use have_multiple_function_sections.
3941 (output_ranges): Likewise.
3942 (dwarf2out_begin_function): Set have_multiple_function_sections if
3944 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3945 Check function_section rather than DECL_SECTION_NAME.
3946 (dwarf2out_finish): Use have_multiple_function_sections.
3947 Don't clear have_location_lists.
3949 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3950 Jan Hubicka <jh@suse.cz>
3952 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3953 case of conditional jump jumping to the next instruction.
3954 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3955 cases of conditional jump jumping to the next instruction.
3957 2006-01-02 Jan Hubicka <jh@suse.cz>
3959 * i386.c (*_cost): Add COSTS_N_INSNS.
3960 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3962 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3965 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3967 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3969 * config/arm/arm.c (all_fpus): Fix comment typo.
3970 * config/darwin.c: Likewise.
3971 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3972 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3973 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3975 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3977 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3978 (rs6000_split_compare_and_swapqhi): New.
3979 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3980 (sync_compare_and_swapqhi_internal): New.
3981 * config/rs6000/rs6000-protos.h: Declare.