1 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4 (s390_mangle_fundamental_type): New.
5 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9 (alpha_mangle_fundamental_type): New.
10 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18 (sparc_mangle_fundamental_type): New.
20 2006-02-06 Jakub Jelinek <jakub@redhat.com>
22 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
23 (s390x-*-linux*): Likewise.
24 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
25 * config/s390/t-linux: New file.
27 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
29 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
30 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
32 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
34 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
35 (ANTIC_SAFE_LOADS): New macro.
36 (find_or_generate_expression): Add prototype.
37 (set_contains_value): Allow null set for sake of not always having
38 to allocate ANTIC_SAFE_LOADS.
39 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
40 Allow COMPONENT_REF too.
41 (valid_in_set): Allow COMPONENT_REF.
42 Check ANTIC_SAFE_LOADS too.
43 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
44 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
46 (can_PRE_operation): Add COMPONENT_REF.
47 (create_component_ref_by_pieces): New function.
48 (create_expression_by_pieces): Use create_component_ref_by_pieces.
49 (insert_aux): Move AGGREGATE_TYPE_P check here.
50 (compute_avail): Set bb local stmt uids.
51 (pass_pre): Use TODO_update_ssa_only_virtuals.
53 2006-02-06 Ben Elliston <bje@au.ibm.com>
55 * configure.ac: Unconditionally disable decimal float by default.
56 * configure: Regenerate.
58 2006-02-06 Ben Elliston <bje@au.ibm.com>
60 * read-rtl.c (read_name): Terminate reading on EOF.
62 2006-02-06 Ben Elliston <bje@au.ibm.com>
64 * dfp.c (decimal_real_arithmetic): Change second argument type
65 from int to enum tree_code. Do not always return true, but now
66 return result of any call to decimal_do helper functions.
67 * dfp.h (decimal_real_arithmetic): Update prototype.
69 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
71 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
73 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
76 * tree-cfg.c (cleanup_dead_labels): Also don't remove
79 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
81 * tree-vrp.c (cfg_loops): Removed.
82 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
83 Use current_loops instead of cfg_loops. Pass flags to
85 * cfgloopmanip.c (fix_loop_structure): Update only available
87 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
89 * modulo-sched.c (build_loops_structure): Removed.
90 (sms_schedule): Use loop_optimizer_init.
91 * loop-init.c (loop_optimizer_init): Use flags to determine
92 which properties of loops to prepare.
93 (rtl_loop_init): Pass flags to loop_optimizer_init.
94 * tree-ssa-sink.c (execute_sink_code): Ditto.
95 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
96 * tree-ssa-pre.c (init_pre): Ditto.
97 * cfgloop.h (LOOPS_NORMAL): New.
98 (loop_optimizer_init): Declaration changed.
100 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
102 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
103 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
105 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
107 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
109 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
110 * pa/t-pa64: Delete quadlib.c rule.
111 * pa/x-ada: Revert last change.
112 * pa/t-pa: Revert last change. Delete quadlib.c rule.
114 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
116 PR rtl-optimization/26087
117 * rtlanal.c (canonicalize_condition): Do not cross basic block
120 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
123 * config/ia64/ia64.c: Include debug.h.
124 (MAX_ARTIFICIAL_LABEL_BYTES): New.
125 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
126 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
127 (process_epilogue, process_set, process_for_unwind_directive):
128 Output unwind info only if requested. Add CFA info if requested.
129 Add new arguments as needed. Adjust callers.
130 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
132 (DWARF2_FRAME_INFO): Define to zero.
133 * config/ia64/unwind-ia64.c: Remove code that compensated for
134 the CFA offset error fixed above.
135 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
136 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
137 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
138 -funwind-tables and -fexceptions to enable frame info.
139 (dwarf2out_frame_init): Define initial CFA even if
140 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
141 DWARF2_UNWIND_INFO is nonzero, not just defined.
142 (dwarf2out_frame_finish): Output non-EH call frame info only
143 if DWARF2_FRAME_INFO is nonzero.
144 (convert_cfa_to_loc_list,
145 compute_frame_pointer_to_cfa_displacement): Define even if
146 unwind info is not supported.
147 (gen_subprogram_die): Use the above unconditionally. Remove
148 legacy alternate code.
149 * toplev.c (compile_file): Compile in call to
150 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
151 (lang_dependent_init): Ditto for dwarf2out_frame_init.
153 2006-02-04 David Edelsohn <edelsohn@gnu.org>
154 Jakub Jelinek <jakub@redhat.com>
156 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
157 IBM extended float format long double as "g" on powerpc*-linux.
159 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
162 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
163 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
165 2006-02-03 Jason Merrill <jason@redhat.com>
168 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
171 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
172 on the return slot if it's an NRV.
174 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
176 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
177 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
178 rewrite_use): Do not handle USE_OUTER.
179 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
180 add_iv_outer_candidates, may_replace_final_value,
181 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
182 (find_interesting_uses_op): Functionality of
183 find_interesting_uses_outer_or_nonlin moved here.
184 (find_interesting_uses_outside): Use find_interesting_uses_op.
186 2006-02-03 Alan Modra <amodra@bigpond.net.au>
189 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
191 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
192 Ulrich Weigand <uweigand@de.ibm.com>
195 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
196 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
197 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
198 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
200 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
201 (s390_rtx_costs): Use the new fields to calculate rtx costs.
202 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
203 Define secondary reloads for TFmode moves.
204 (constant_modes): Add TFmode.
205 (NR_C_MODES): Set to 8.
206 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
208 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
209 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
210 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
211 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
212 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
213 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
214 (FPR mode macro): Add TFmode.
215 (DSF mode macro): New.
216 (<de>, <dee> mode attributes): Removed.
217 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
218 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
219 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
220 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
221 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
222 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
223 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
224 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
225 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
226 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
227 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
228 "*negabs<mode>2", "sqrt<mode>2"):
229 Changed <de> to <xde>. R constraint replaced by <Rf>.
230 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
232 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
233 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
234 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
236 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
237 "extenddftf2", "extendsftf2"): New expanders.
238 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
239 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
240 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
241 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
243 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
244 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
245 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
246 __floatditf): Add a GCC_4.1.0 symbol version tag.
247 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
250 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
253 * config/i386/i386.c (ix86_function_ok_for_sibcall):
254 Use targetm.binds_local_p instead of TREE_PUBLIC.
256 2006-02-02 Roger Sayle <roger@eyesopen.com>
258 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
259 on INTEGER_TYPEs to indicate that it denotes a character type.
260 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
261 signed_char_type_node, unsigned_char_type_node and char_type_node.
262 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
263 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
264 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
266 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
267 Daniel Berlin <dberlin@dberlin.org>
269 * tree-tailcall.c (arg_needs_copy_p): New function.
270 (eliminate_tail_call): Use arg_needs_copy_p.
271 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
272 (add_virtual_phis): New function.
274 2006-02-02 Jakub Jelinek <jakub@redhat.com>
276 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
277 #ignore instead of #scratch for %g7 .register directive.
279 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
281 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
284 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
286 * flow.c (calculate_global_regs_live): Assert that there aren't any
289 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
291 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
293 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
294 bsi_after_labels iterator.
295 * tree-if-conv.c (find_phi_replacement_condition,
296 replace_phi_with_cond_modify_expr): Likewise.
297 * tree-scalar-evolution.c (scev_const_prop): Likewise.
298 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
300 2006-02-02 Diego Novillo <dnovillo@redhat.com>
302 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
304 2006-02-02 Diego Novillo <dnovillo@redhat.com>
307 * tree-cfg.c (move_block_to_fn): Clear out the basic block
308 array after growing it.
310 2006-02-01 Steve Ellcey <sje@cup.hp.com>
313 * fold-const.c (fold_checksum_tree): Change type of buf.
315 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
317 * reload.c (push_secondary_reload): Initialize t_icode.
319 2006-02-01 Jakub Jelinek <jakub@redhat.com>
321 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
322 -msoft-float -mlong-double-128 only issue a warning, but don't
323 swich to DFmode long double.
325 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
327 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
328 has a constant equivalent, iterate over equivalents for arg0,
329 calling simplify_relational_operation and if there's a result
330 cheaper than X, apply fold_rtx and return the result.
332 2006-02-01 Jan Hubicka <jh@suse.cz>
334 * opts.c (no_unit_at_a_time_default): New global variable.
335 (decode_options): Use it.
336 * opts.h (no_unit_at_a_time_default): Declare.
338 2006-02-01 Paul Brook <paul@codesourcery.com>
340 * function.c (assign_parm_setup_reg): Use function argument promotion
342 * expr.c (expand_expr_real_1): Use function argument promotion rules
345 2006-02-01 Steve Ellcey <sje@cup.hp.com>
347 * gcc.c (process_command): Change j to 'unsigned int'.
349 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
352 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
353 Use the corrected index for the character
354 out of the string constant.
356 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
358 * mode-switching.c (optimize_mode_switching): Fix size
359 allocated for bb_info[n_entities].
361 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
363 * gcc.c (main): Correct type that is allocated for
366 2006-01-31 Jakub Jelinek <jakub@redhat.com>
368 * config/s390/s390.c (init_alignment_context): Set
369 ALIAS_SET_MEMORY_BARRIER on the MEM.
370 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
372 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
375 * loop-unroll.c (unroll_loop_runtime_iterations): Free
377 * tree-ssa-live.c (type_var_init): Allocate bitmap after
380 2006-01-31 Marcin Dalecki <martin@dalecki.de>
382 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
383 * regrename.c: Ditto.
384 * tree-ssa-loop-im.c: Ditto.
385 * tree-dump.c: Ditto.
386 * tree-complex.c: Ditto.
388 * tree-ssa-threadupdate.c: Ditto.
390 * java/class.c: Ditto.
391 * java/jcf-parse.c: Ditto.
392 * java/resource.c: Ditto.
393 * java/except.c: Ditto.
394 * java/jvspec.c: Ditto.
395 * java/jcf-write.c: Ditto.
396 * java/jcf-path.c: Ditto.
397 * java/gjavah.c: Ditto.
398 * java/zextract.c: Ditto.
399 * java/jcf-io.c: Ditto.
401 * java/buffer.c: Ditto.
402 * java/lang.c: Ditto.
403 * java/parse-scan.y: Ditto.
406 * cfgloopmanip.c: Ditto.
407 * postreload-gcse.c: Ditto.
408 * tree-ssa-loop-manip.c: Ditto.
409 * postreload.c: Ditto.
410 * tree-ssa-loop-ch.c: Ditto.
414 * diagnostic.c: Ditto.
416 * genoutput.c: Ditto.
419 * cfgloopanal.c: Ditto.
420 * objc/objc-act.c: Ditto.
422 * genextract.c: Ditto.
423 * genautomata.c: Ditto.
424 * pretty-print.c: Ditto.
426 * cgraphunit.c: Ditto.
429 * haifa-sched.c: Ditto.
430 * dominance.c: Ditto.
432 * tree-ssa-loop-ivopts.c: Ditto.
434 * mode-switching.c: Ditto.
435 * modulo-sched.c: Ditto.
437 * ipa-pure-const.c: Ditto.
439 * fix-header.c: Ditto.
441 * tree-stdarg.c: Ditto.
442 * ipa-utils.c: Ditto.
443 * loop-init.c: Ditto.
444 * ipa-inline.c: Ditto.
447 * alloc-pool.c: Ditto.
448 * dwarf2out.c: Ditto.
450 * genattrtab.c: Ditto.
451 * tree-ssa-loop-ivcanon.c: Ditto.
455 * fortran/gfortranspec.c: Ditto.
457 * local-alloc.c: Ditto.
458 * langhooks.c: Ditto.
460 * tree-vectorizer.c: Ditto.
462 * ipa-type-escape.c: Ditto.
464 * tree-if-conv.c: Ditto.
467 * tree-data-ref.c: Ditto.
468 * loop-unroll.c: Ditto.
469 * treelang/treetree.c: Ditto.
472 * ggc-common.c: Ditto.
476 * tree-cfgcleanup.c: Ditto.
477 * tree-ssa-pre.c: Ditto.
478 * cfgcleanup.c: Ditto.
479 * loop-invariant.c: Ditto.
482 * print-tree.c: Ditto.
485 * sched-deps.c: Ditto.
487 * tree-object-size.c: Ditto.
489 * bb-reorder.c: Ditto.
491 * var-tracking.c: Ditto.
493 * df-problems.c: Ditto.
494 * reg-stack.c: Ditto.
497 * sched-rgn.c: Ditto.
498 * tree-ssa-structalias.c: Ditto.
499 * tree-ssa-reassoc.c: Ditto.
500 * config/darwin-c.c: Ditto.
501 * config/darwin.c: Ditto.
502 * config/arm/arm.c: Ditto.
507 2006-01-31 Nicolas Pitre <nico@cam.org>
509 * arm.md (smaxsi3): Make aware of smax_m1.
512 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
514 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
516 2006-01-31 Richard Guenther <rguenther@suse.de>
518 * doc/invoke.texi (-msselibm): Document.
519 * target.h (expand_library_builtin): New target hook.
520 * builtins.c (expand_builtin): Use expand_library_builtin.
521 (default_expand_library_builtin): New function.
522 * gcc.c (LINK_GCC_MATH_SPEC): Define.
523 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
524 (link_gcc_math_spec): Declare.
525 (static_specs): Add link_gcc_math_spec.
526 * expr.h (default_expand_library_builtin): Declare.
527 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
528 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
529 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
530 * config/i386/i386.opt (msselibm): New target option.
531 * config/i386/i386.c (ix86_builtin_function_variants): New array.
532 (ix86_init_sse_abi_builtins): New function.
533 (ix86_expand_library_builtin): Likewise.
534 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
535 (override_options): Handle error conditions wrt -msselibm.
536 (ix86_builtins): Add function codes for SSE2 ABI builtins.
537 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
538 * doc/extend.texi (__builtin_sse2_*): Document new target specific
541 2006-01-31 Richard Guenther <rguenther@suse.de>
542 Paolo Bonzini <bonzini@gnu.org>
544 * doc/install.texi (--disable-libgcc-math): Document.
546 2006-01-30 Marcin Dalecki <martin@dalecki.de>
548 * expr.h (expand_normal): new inline function.
549 * builtins.c: use it, use EXPAND_NORMAL explicitely.
551 * dwarf2out.c: use it.
556 * config/sparc/sparc.c: use it.
557 * config/i386/i386.c: use it.
558 * config/rs6000/rs6000.c: use it.
559 * config/arm/arm.c: use it.
560 * config/mips/mips.c: use it.
561 * stmt.c: use it, use EXPAND_NORMAL explicitely.
563 2006-01-30 Roger Sayle <roger@eyesopen.com>
565 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
566 argv to the appropriate type.
568 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
570 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
573 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
576 * config/s390/s390.c (struct machine_function): New flag
577 decomposed_literal_pool_addresses_ok_p.
578 (s390_reorg): Set it before final stage of literal pool transforms.
579 (s390_decompose_address): Only accept displacements of the form
580 (minus (label_ref ...) (label_ref ...)) if that flag is set.
582 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
584 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
585 the comparison routine return.
587 2006-01-30 Michael Matz <matz@suse.de>
589 * global.c (find_reg): Only evict for global regs.
590 Take n_refs into account and dump more info.
592 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
595 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
596 (pragma_trap, pragma_nosave_low_regs): Likewise.
597 (current_function_anonymous_args): Likewise.
598 (sh_deferred_function_attributes): New variable.
599 (sh_deferred_function_attributes_tail): Likewise.
600 (print_operand): For '@', look up trap_exit attribute.
601 (calc_live_regs): Look up trapa_handler attribute. For trapa
602 handlers, save/restore fpscr, but don't do any other
603 interrupt-specific saves.
604 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
605 Fix check for partially saved registers to check for SHmedia.
606 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
607 (sh_output_function_epilogue): Don't clear any of the removed
609 (sh_insert_attributes): Don't check pragma_interrupt.
610 Insert deferred attributes. Check that interrupt attribute is
611 present for other attributes that require its presence.
612 (sh_attribute_table): Add new attributes trapa_handler and
614 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
615 Don't check for pragma_interrupt. Don't store argument.
616 * sh.h (pragma_interrupt, sp_switch): Don't declare.
617 (sh_deferred_function_attributes): Declare.
618 (sh_deferred_function_attributes_tail): Likewise.
619 * sh.md (sp_switch_1): Add operand. Change generator caller.
620 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
621 (*return_i): Don't use when trap_exit attribute is in effect.
622 (*return_trapa): New insn pattern.
624 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
625 setting c_target_objs and cxx_target_objs.
626 * t-sh: Add rule for sh-c.o.
628 2006-01-30 Richard Guenther <rguenther@suse.de>
631 * gimplify.c (gimplify_target_expr): Handle easy cases
632 without creating a temporary.
634 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
636 * vec.h (safe_grow): Remove duplicated line.
638 2006-01-29 Diego Novillo <dnovillo@redhat.com>
641 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
642 (expand_omp): ... here.
643 (expand_omp_parallel): Only remove barriers for combined
644 parallel+workshare constructs.
646 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
650 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
651 * tree.c (build_qualified_type): Chain the new type to the original
652 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
653 a POINTER_TYPE or a REFERENCE_TYPE respectively.
654 (build_pointer_type_for_mode): Only return unqualified types.
655 (build_reference_type_for_mode): Likewise.
657 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
659 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
660 * Makefile.in (CXX_COMPAT_WARN): Define.
661 * configure: Regenerate.
663 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
666 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
669 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
671 * toplev.c: Fix thinko.
673 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
674 Marcin Dalecki <martin@dalecki.de>
676 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
677 (push_srcloc): Use XNEW.
678 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
680 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
682 * df-core.c (df_set_blocks): Deleted all variable.
684 2006-01-28 Ian Lance Taylor <ian@airs.com>
686 * cgraphunit.c (cgraph_assemble_pending_functions): Call
687 cgraph_output_pending_asms.
689 2006-01-28 Zack Weinberg <zackw@panix.com>
691 * c.opt: Add -W(no-)overlength-strings.
692 * doc/invoke.texi: Document it.
693 * c-opts.c (c_common_handle_option): -pedantic implies
694 -Woverlength-strings, if not explicitly disabled already.
695 (c_common_post_options): -Woverlength-strings defaults to off, and
696 is always off for C++.
697 * c-common.c (fix_string_type): Issue warning about strings longer
698 than is portable only if warn_overlength_strings. Rearrange code
699 a little for clarity.
700 * configure.in: Check for -Wno-overlength-strings as well before
701 enabling -pedantic in stage 1.
702 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
703 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
705 * genconditions.c (write_header, write_one_condition)
706 (write_conditions, write_writer): Consolidate very long strings
707 that were broken up to fit in C89 portable limit. Don't use
708 printf when fputs will do.
710 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
712 * combine.c (simplify_comparison <AND>): Check
713 TRULY_NOOP_TRUNCATION before start using a subreg.
715 * config/mips/mips.md (*branch_zero<mode>,
716 *branch_zero<mode>_inverted, *branch_equality<mode>,
717 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
718 Remove mode check from comparisons.
720 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
722 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
724 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
726 * expmed.c (const_mult_add_overflow_p): Remove.
727 * expr.h: Remove the prototype for const_mult_add_overflow_p.
729 * recog.c (validate_replace_rtx_subexp): Remove.
730 * recog.h: Remove the prototype for
731 validate_replace_rtx_subexp.
733 * integrate.h: Remove the prototype for
734 copy_decl_for_inlining.
735 * rtl.h: Remove the prototype for mark_constant_function.
736 * tree-vectorizer.h: Remove the prototype for
737 vect_strip_conversion.
739 * modulo-sched.c (create_partial_schedule,
740 free_partial_schedule, reset_partial_schedule): Make them
743 * hooks.c (hook_bool_rtx_int_false): Remove.
744 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
746 2006-01-28 David Edelsohn <edelsohn@gnu.org>
748 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
749 and -mlong-double-128 are incompatible.
750 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
751 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
752 (TARGET_LIBGCC2_CFLAGS): Define.
753 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
754 (TARGET_LIBGCC2_CFLAGS): Same.
755 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
757 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
760 * c-typeck.c (build_binary_op): Perform implicit casts of
761 operands before shortening them.
763 * cfgloopmanip.c (split_loop_bb): Remove.
764 * cfgloop.h: Remove the prototype for split_loop_bb.
766 * cfgloop.c (flow_loop_outside_edge_p): Remove.
767 * cfgloop.h: Remove the prototype for
768 flow_loop_outside_edge_p.
770 * emit-rtl.c (init_virtual_regs): Make it static.
771 * function.h: Remove the prototype for init_virtual_regs.
773 * recog.c (peephole2_optimize): Make it static.
774 * recog.h: Remove the prototype for peephole2_optimize.
776 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
778 * df-scan.c (df_record_entry_block_defs): Check if
779 INCOMING_RETURN_ADDR_RTX is defined.
781 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
782 Kenneth Zadeck <zadeck@naturalbridge.com>
784 PR rtl-optimization/24762
785 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
786 * targhooks.c (hook_void_bitmap): New hook prototype.
787 * targhoohs.h (hook_void_bitmap): Ditto.
788 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
789 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
790 * target.h (live_on_entry): New function pointer.
791 * df-scan.c (df_all_hard_regs): Removed.
792 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
793 (df_scan_free_internal): Added df->entry_block_defs.
794 (df_scan_alloc): Ditto.
795 (df_scan_dump): Ditto.
796 (df_uses_record): Plumbed flag field properly thru calls.
797 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
798 This part fixes PR24762.
799 (df_bb_refs_record): Added code to make the frame and arg
800 pointers live in EH blocks.
801 (df_refs_record): Added call to df_record_entry_block_defs.
802 (df_record_entry_block_defs): New function.
803 * df-core.c: Added comments to describe new artifical defs.
804 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
805 (entry_block_defs): New field in struct df.
806 (df_all_hard_regs): Deleted.
807 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
808 * df-problems.c (df_ru_bb_local_compute_process_def):
809 Added code to handle artifical defs in the entry to a function.
810 (df_ru_bb_local_compute): Ditto.
811 (df_rd_bb_local_compute_process_def): Ditto.
812 (df_rd_bb_local_compute): Ditto.
813 (df_lr_bb_local_compute): Ditto.
814 (df_ur_bb_local_compute): Ditto.
815 (df_urec_bb_local_compute): Ditto.
816 (df_chain_create_bb): Ditto.
817 (df_ur_local_finalize): Removed entry.
818 (df_urec_init): Ditto.
819 (df_urec_local_finalize): Ditto.
820 (df_ri_bb_compute): Added detection of last use of pseudos.
821 * Makefile.in (df-scan.o): Updated dependencies.
822 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
823 * config/mips/mips.c (mips_set_live_on_entry): Added.
824 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
826 * dce.c (marked_insn_p): Added code to handle artifical defs.
828 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
830 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
832 (_mm_cvtsi128_si64): Likewise.
833 (_mm_cvtsd_si64): Likewise.
834 (_mm_cvttsd_si64): Likewise.
835 (_mm_cvtsi64_sd): Likewise.
836 (_mm_cvtsi64_si128): Likewise.
837 * config/i386/mmintrin.h (_m_from_int64): Likewise.
838 (_mm_cvtsi64_m64): Likewise.
839 (_m_to_int64): Likewise.
840 (_mm_cvtm64_si64): Likewise.
841 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
842 (_mm_cvttss_si64): Likewise.
843 (_mm_cvtsi64_ss): Likewise.
844 (_mm_cvtss_f32): Likewise.
846 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
848 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
849 for pragma redefine_extname.
851 2006-01-27 Jakub Jelinek <jakub@redhat.com>
854 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
855 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
856 -mno-minimal-toc to previous content.
857 (bispecs): Remove goal.
858 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
859 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
860 compatibility aliases on powerpc-*-*gnu*.
861 * config/rs6000/libgcc-ppc-glibc.ver: New file.
862 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
863 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
864 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
865 (ldblspecs): New goal.
866 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
867 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
869 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
870 L_sf_to_tf or L_df_to_tf is defined.
872 2006-01-27 David Edelsohn <edelsohn@gnu.org>
873 Alan Modra <amodra@bigpond.net.au>
876 * config/rs6000/linux.h (POWERPC_LINUX): Define.
877 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
878 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
879 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
880 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
881 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
882 (rs6000_override_options): Initialize rs6000_ieeequad.
883 Initialize TFmode format to ibm_extended_format if not
885 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
887 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
888 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
889 (function_arg_advance): IBM long double passed in two FPRs, not
891 (function_arg): IBM long double passed in FPRs.
892 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
893 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
894 Only multireg GPR aligned.
895 (rs6000_init_libfuncs): Enable IBM long double functions if not
897 (rs6000_generate_compare): Use IBM long double compare if not
899 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
900 (TARGET_IEEEQUAD): Define.
901 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
903 * config/rs6000/rs6000.md: Enable TFmode patterns if
905 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
906 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
907 and -mlong-double-128 are incompatible.
908 * doc/invoke.texi (-mabi): Collect options together. Add
909 ibmlongdouble and ieeelongdouble.
911 2006-01-27 Richard Sandiford <richard@codesourcery.com>
913 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
915 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
916 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
917 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
918 * rtl.h (rtunion_def): Remove rt_ptr.
920 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
921 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
922 * config/i386/winnt.c (i386_pe_mark_dllexport)
923 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
925 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
927 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
929 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
933 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
934 pthread_key_delete. From John David Anglin. gthrw-ify
935 pthread_getunique_np only if it it's not a macro. Delete
937 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
938 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
939 __gthread_objc_condition_signal, __gthread_key_delete): Add
940 "__attribute__ ((__unused__))" to unused arguments.
941 (__gthread_recursive_mutex_init_function): Add missing return.
942 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
943 gthr-posix95.h: Use macro-based approach for name redirection
944 on targets missing weakref.
946 2006-01-26 Zack Weinberg <zackw@panix.com>
948 * genconditions.c (write_header): In generated code, #ifdef out
949 all includes and fake declarations, except includes of bconfig.h
950 and system.h, unless GCC_VERSION >= 3001. Do not include
951 gensupport.h in any case.
952 (write_conditions): Generate a definition of struct c_test. Add
953 a comment to the generated #endif.
954 (write_one_condition): Escape backslashes in string too.
955 (write_writer): Generated code must escape backslashes and quote
956 marks (but not newlines) in the strings it writes.
957 * Makefile.in (build/gencondmd.o): Update dependencies.
959 2006-01-26 Steve Ellcey <sje@cup.hp.com>
962 * Makefile.in (insn-automata.o): Add header file dependencies.
963 * genautomata.c: Add includes.
965 2006-01-26 Steve Ellcey <sje@cup.hp.com>
968 * Makefile.in (insn-automata.o): Add -Wno-error flag.
970 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
972 * configure.ac: Expect target tools paths to be passed from the toplevel
973 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
975 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
977 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
980 * c.opt (Wpointer-sign): Init to -1.
981 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
982 OPT_pedantic, to 0 otherwise.
983 * doc/invoke.texi: Update.
985 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
987 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
988 constants provided by 80387 instructions in the destination mode.
990 2006-01-26 Richard Guenther <rguenther@suse.de>
991 Andrew Pinski <pinskia@physics.uc.edu>
994 partial PR tree-opt/17064
995 * tree-ssa-structalias.c (intra_create_variable_infos):
996 Create heap variables for incoming parameters if
997 flag_argument_noalias > 1.
998 (find_what_p_points_to): Look through default defs of
1001 2006-01-26 Jeff Law <law@redhat.com>
1004 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1005 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1006 within the VR_RANGE, use the VR_RANGE as the result, not the
1008 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1009 bounds for the type.
1011 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1013 * tree-ssa-alias.c (maybe_create_global_var): Change
1014 subvar walking to an assertion that we don't have subvar'd variables.
1016 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1019 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1020 Use a new variable, inner. PARM_DECLs are always non-weak.
1022 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1024 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1027 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1029 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1031 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1033 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1034 (smax_insn, smin_insn, smax_0, smin_0): New.
1036 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1039 * config/cris/cris.c (cris_order_for_addsi3): New function.
1040 * config/cris/cris-protos.h: Prototype it.
1041 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1042 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1043 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1044 (split for "op.S1 [rx=rx+i],ry (swapped)")
1045 (split for "op(s|u).S1 [rx=rx+i],ry")
1046 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1047 Apply cris_order_for_addsi3 when generating addsi3 insns.
1049 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1051 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1052 (TREE_BLOCK): Add call to EXPR_CHECK.
1054 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1057 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1058 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1059 (dump_omp_clauses): ... here.
1060 (dump_generic_node): Handle OMP_CLAUSE.
1061 * tree.c (omp_clause_num_ops): New.
1062 (omp_clause_code_name): New.
1063 (tree_code_size): Handle OMP_CLAUSE.
1064 (tree_size): Likewise.
1065 (make_node): Document handling of OMP_CLAUSE.
1066 (tree_node_structure): Handle OMP_CLAUSE.
1067 (omp_clause_check_failed): New.
1068 (omp_clause_range_check_failed): New.
1069 (omp_clause_operand_check_failed): New.
1070 (build_omp_clause): New.
1071 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1072 * tree.h (enum omp_clause_code): Declare.
1073 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1074 (OMP_CLAUSE_RANGE_CHECK): Define.
1075 (OMP_CLAUSE_ELT_CHECK): Define.
1076 (omp_clause_check_failed): Declare.
1077 (omp_clause_operand_check_failed): Declare.
1078 (omp_clause_range_check_failed): Declare.
1079 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1080 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1081 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1082 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1083 (OMP_CLAUSE_IF_EXPR): Likewise.
1084 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1085 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1086 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1087 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1088 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1089 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1090 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1091 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1092 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1093 (OMP_CLAUSE_CODE): Define.
1094 (OMP_CLAUSE_SET_CODE): Define.
1095 (OMP_CLAUSE_CODE): Define.
1096 (OMP_CLAUSE_OPERAND): Define.
1097 (struct tree_omp_clause): Declare.
1098 (union tree_node): Add field 'omp_clause'.
1099 * treestruct.def (TS_OMP_CLAUSE): Define.
1100 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1101 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1102 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1103 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1104 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1105 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1106 (OMP_CLAUSE): Define.
1107 * print-tree.c (print_node): Handle OMP_CLAUSE.
1108 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1109 * c-typeck.c: Likewise.
1110 * gimplify.c: Likewise.
1111 * c-omp.c: Likewise.
1112 * tree-nested.c: Likewise.
1113 * tree-inline.c: Likewise.
1114 * c-parser.c: Likewise.
1115 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1118 2006-01-25 Roger Sayle <roger@eyesopen.com>
1120 PR rtl-optimization/25703
1121 * combine.c (try_combine): Handle zero_extract and strict_low_part
1122 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1124 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1126 * global.c: Fix comment typos.
1128 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1131 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1132 Use output_addr_const instead of assemble_name.
1134 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1136 * Makefile.in (sched-vis.o): Update dependencies.
1137 * haifa-sched.c (sched_finish): Clear current_sched_info.
1138 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1139 (dump_flow_info): Call it.
1140 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1142 * basic-block.h (dump_bb_info): Declare.
1143 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1144 option, and apply options only for dump files whose TDF_RTL,
1145 TDF_TREE, or TDF_IPA bits match.
1146 * rtl.h: Declare new functions exported from sched-vis.c.
1147 * sched-vis.c: Enable also if scheduling is not used.
1148 (print_value): Print the mode of registers if not inside scheduling.
1149 (print_insn): Make it work outside the scheduler. Beautify the output
1151 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1153 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1155 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1156 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1157 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1158 depending on the value of CONSTANT_POOL_ADDRESS_P.
1159 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1161 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1162 rather than SYMBOL_REF_DECL.
1163 (rtx_constant_pool): Remove const_rtx_sym_htab.
1164 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1165 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1166 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1167 Remove handling of const_rtx_sym_htab.
1168 (find_pool_constant): Delete.
1169 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1170 rather than find_pool_constant.
1171 (get_pool_constant_for_function): Delete.
1172 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1174 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1175 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1176 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1177 (SYMBOL_REF_CONSTANT): New macro.
1178 (get_pool_constant_for_function): Delete.
1179 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1180 rather than SYMBOL_REF_DECL.
1181 (i386_pe_mark_dllimport): Likewise.
1182 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1183 rather than SYMBOL_REF_DECL.
1184 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1185 (machopic_indirect_call_target): Likewise.
1187 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1189 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1191 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1193 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1195 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1197 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1199 2006-01-24 David Daney <ddaney@avtrex.com>
1202 * configure.ac (enable_tls): New enable option.
1203 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1204 * configure: Regenerate.
1205 * doc/install.texi (--enable-tls): Document new option.
1206 (--disable-tls): Ditto.
1208 2006-01-24 Richard Henderson <rth@redehat.com>
1210 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1211 * alias.c (true_dependence): Respect it.
1212 (canon_true_dependence, write_dependence_p): Likewise.
1213 * builtins.c (get_builtin_sync_mem): Set it.
1215 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1217 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1220 2006-01-24 DJ Delorie <dj@redhat.com>
1222 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1223 for storing constants in single-bit bitfields.
1225 2006-01-25 Ben Elliston <bje@au.ibm.com>
1227 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1229 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1232 * tree-ssa-pre.c (phi_translate): Return NULL
1233 for AGGREGATE_TYPE's.
1235 2006-01-24 Zack Weinberg <zackw@panix.com>
1237 * genautomata.c (process_state_for_insn_equiv_partition):
1238 Use xcalloc for insn_arcs_array.
1239 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1240 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1242 2006-01-24 Richard Henderson <rth@redhat.com>
1244 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1247 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1249 PR rtl-optimization/25890
1250 PR rtl-optimization/25905
1251 * combine.c (expand_compound_operation, expand_field_assignment):
1252 Fail if the bitfield's final position is out of bounds.
1254 2006-01-24 Ian Lance Taylor <ian@airs.com>
1257 * cgraphunit.c (cgraph_output_in_order): Don't clear
1258 cgraph_asm_nodes until after asm strings have been output.
1260 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1262 * fix-header.c (read_scan_file): Add new parameter imultilib when
1263 calling register_include_chains.
1265 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1267 * omp-low.c: Update documentation.
1269 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1270 Daniel Berlin <dberlin@dberlin.org>
1274 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1275 return from the function.
1277 2006-01-22 Zack Weinberg <zackw@panix.com>
1279 * rtl.def (match_code): Add second argument.
1280 * genpreds.c (write_extract_subexp): New function.
1281 (write_match_code): Add path argument. Use write_extract_subexp.
1282 (write_predicate_expr): Pass path to write_match_code.
1283 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1284 not perform a mode test.
1285 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1286 a subexpression does not constrain the top-level code set.
1287 * read-rtl.c (read_rtx_variadic): New function.
1288 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1289 * doc/md.texi: Document new notation.
1290 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1291 (cmpsi_operand): ... here, using new notation.
1293 2006-01-22 Zack Weinberg <zackw@panix.com>
1295 * varray.c: Remove GENERATOR_FILE #ifdefs.
1297 2006-01-22 Zack Weinberg <zackw@panix.com>
1299 * genautomata.c (output_reserved_units_table): Emit nothing if
1300 description->query_units_num is zero. Remove extra blank line.
1301 (output_cpu_unit_reservation_p): Short circuit
1302 if description->query_units_num is zero.
1304 2006-01-22 Zack Weinberg <zackw@panix.com>
1306 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1307 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1308 nor any of the random handful of variables that used to be necessary
1309 when this program was linked with rtlanal.o. Prune set of forward
1310 function declarations.
1311 (struct attr_desc): Remove static_p field.
1312 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1313 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1314 (attr_string): Do not read the character one past the length of
1316 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1317 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1318 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1319 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1320 (make_automaton_attrs): New.
1321 (main): Do not call into genautomata. Call local gen_bypass
1322 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1323 Remove special case for insn_alts.
1324 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1325 varray.h (leftover from previous change). Prune set of forward
1326 function declarations. Remove state_alts fields from all
1327 structures. Remove state_alts_table from struct automaton.
1328 Make everything except main static. Do not maintain num_dfa_decls.
1329 Do not maintain state_alts fields of various structures.
1330 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1331 (add_arc): Remove state_alts argument. All callers updated.
1332 (output_reserved_units_table): Emit #ifdef here...
1333 (output_tables): ...not here. Don't generate state_alts tables.
1334 (expand_automata): Don't generate attributes.
1335 (write_automata): Don't generate state_alts functions.
1336 (main): New function.
1337 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1338 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1339 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1340 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1341 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1342 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1343 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1344 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1346 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1347 * genattrtab.h: Delete file.
1348 * Makefile.in (OBJS-common): Add insn-automata.o.
1349 (insn-automata.o): New rule.
1350 (simple_generated_c): Add insn-automata.c.
1351 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1352 (genprogmd): Add automata.
1353 (build/genattrtab): Needs no extra objects nor libraries.
1354 (build/genautomata): Needs build/vec.o and -lm.
1356 2006-01-22 Zack Weinberg <zackw@panix.com>
1358 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1359 (output_dfa_max_issue_rate, locked_states_num): Delete.
1360 (struct automaton): Add locked_states field.
1361 (output_dead_lock_vect): Save number of locked states in
1362 automaton->locked_states. If it is zero, don't print anything.
1363 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1364 (output_internal_dead_lock_func): Only test the dead_lock_vect
1365 for automata that have locked states.
1366 (output_statistics): Always print the number of locked states for
1367 each automaton. Calculate total number of locked states here.
1368 (write_automata): Don't call output_dfa_max_issue_rate.
1369 * genattrtab.c: Define length_unit_log as a const variable.
1370 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1371 max_insn_queue_index const.
1372 * final.c (length_unit_log): Declare const.
1373 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1375 2006-01-22 Zack Weinberg <zackw@panix.com>
1377 * genautomata.c: Include vec.h, not varray.h.
1378 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1379 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1380 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1381 VEC_* macros operating on appropriately typed vectors, or to
1382 malloced arrays when the size is known in advance. Const-ify
1383 many char* variables and function arguments. No functional changes.
1384 * Makefile.in (build/varray.o): Delete rule.
1385 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1386 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1388 2006-01-22 Zack Weinberg <zackw@panix.com>
1390 * gensupport.c: Define get_insn_name and record_insn_name here.
1391 (read_md_rtx): Call record_insn_name as appropriate.
1392 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1393 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1394 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1396 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1397 (BUILD_VARRAY): Delete.
1398 (genprognormal): Rename genprogmd. Fold in all programs from
1399 genprognoprint; also attrtab.
1400 (build/genattrtab): Just mention genautomata.o and varray.o.
1401 Reorganize a bit, add comments to make the categories clearer.
1403 2006-01-22 Zack Weinberg <zackw@panix.com>
1405 * genconditions.c (condition_table, add_condition): Delete.
1406 (write_conditions): Don't emit n_insn_conditions nor
1407 insn_elision_unavailable. Issue the gcc version #ifdef here,
1408 inside the table, with no #else clause ...
1409 (write_header): ...not here.
1410 (write_writer): New function.
1411 (main): Don't initialize condition_table. Use add_c_test.
1413 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1414 files on the command line.
1415 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1416 Return -1 if there is no entry in the table, don't abort.
1417 (add_c_test, traverse_c_tests): New functions.
1418 * gensupport.h (insn_elision_unavailable, insn_conditions)
1419 (n_insn_conditions): Delete declarations.
1420 (add_c_test, traverse_c_tests): Declare.
1421 * read-rtl.c: Include gensupport.h.
1422 (read_conditions): New function.
1423 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1424 (read_rtx_1): If we get EOF when we were looking for an initial
1425 open paren, return 0. Call read_conditions when appropriate.
1426 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1427 dummy-conditions.o. Eliminate references to insn-conditions.o,
1428 or change them to build/gencondmd.o, as appropriate. Remove
1429 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1430 from $(simple_generated_c). For all files remaining in those
1431 two lists, add insn-conditions.md to the generator command line.
1432 Give insn-constants.h/s-constants their own rules. Add rules
1433 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1434 (build/read-rtl.o): Depend on gensupport.h.
1435 (genprognormal): Include preds.
1436 (genprogearly): Rename genprognoprint; only difference is now that
1437 they don't link with $(BUILD_PRINT).
1438 * dummy-conditions.c: Delete.
1440 2006-01-22 Zack Weinberg <zackw@panix.com>
1442 * genextract.c: Don't include insn-config.h. Do include vec.h.
1443 Declare vectors of int, char, and locstr.
1444 (locstr): New typedef.
1445 (struct extraction): Make all array fields into bare pointers.
1446 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1447 (insn_code_number): Delete.
1448 (accum_extract): New struct.
1449 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1450 (gen_insn): Take insn_code_number as an argument. Use an
1451 accum_extract structure instead of loading data directly into
1452 a struct extraction, and having to know how big it might get.
1453 (walk_rtx): Operate entirely on an accum_extract structure.
1454 (print_path): Avoid unnecessary use of printf.
1455 (print_header): New function, split out of main. Distinguish
1456 more carefully between an unrecognizable insn and an insn that
1457 has the code number of a define_expand.
1458 (main): Pass insn_code_number to gen_insn. Call print_header
1459 only after parsing. Avoid unnecessary use of printf.
1460 * Makefile.in (build/vec.o): New rule.
1461 (build/genextract): Depend on build/vec.o.
1462 (build/genextract.o): Don't depend on insn-config.h.
1464 2006-01-22 Zack Weinberg <zackw@panix.com>
1466 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1467 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1468 practical. Eliminate per-generator-program link rules.
1470 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1473 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1474 with a call expr to ...
1475 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1477 2006-01-23 Richard Guenther <rguenther@suse.de>
1479 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1480 before make_edge with conditional EDGE_TRUE_VALUE.
1482 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1483 Jan Hubicka <jh@suse.cz>
1484 Richard Guenther <rguenther@suse.de>
1486 PR rtl-optimization/25654
1487 * cfgexpand.c (aggregate_contains_union_type): New function.
1488 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1489 for structure variables that contain a union type.
1491 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1493 * gengtype.c (new_structure): Return the structure.
1494 (create_option): Add an extra "next" argument.
1495 (create_field): New function.
1496 (adjust_field_rtx_def): Use create_option and create_field.
1497 Remove a now-unnecessary call to find_structure.
1498 (adjust_field_tree_def): Likewise.
1499 (note_yacc_type): Remove an unnecessary call to find_structure.
1500 * gengtype.h (new_structure): Return the structure.
1501 (create_option): Add an extra argument.
1502 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1503 (option): Adjust calls to create_option.
1505 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1507 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1509 2006-01-22 Paul Brook <paul@codesourcery.com>
1510 Peter Barada <peter@the-baradas.com>
1512 * config/m68k/m68k.md: Add Coldfire FPU support.
1513 Define FP mode macro and associated attributes.
1514 Use it for float mode patterns.
1515 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1516 (LIBCALL_VALUE): Use m68k_libcall_value.
1517 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1518 (m68k_function_value): Ditto.
1519 (emit_move_sequence): Ditto.
1520 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1521 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1522 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1523 (MULTILIB_EXCEPTIONS): Ditto.
1524 * config/m68k/m68k.opt: Add mcfv4e.
1525 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1526 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1527 (m68k_output_function_prologue): Save ColdFire FPU registers.
1528 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1529 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1530 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1531 ColdFire FPU registers.
1532 (m68k_libcall_value, m68k_function_value): New functions.
1533 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1534 (LIBCALL_VALUE): Use m68k_libcall_value.
1535 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1536 (MASK_COLDFIRE): Add MASK_CFV4E.
1537 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1538 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1539 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1540 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1541 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1542 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1543 * doc/invoke.tex: Document -mcfv4e on m68k.
1545 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1547 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1550 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1553 * c-opts.c (c_common_handle_option): Don't include
1554 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1555 * doc/invoke.texi (C++ Dialect Options): Document that
1556 -Wnon-virtual-dtor is no longer included in -Wall.
1558 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1560 * gcov.c (print_version), gcov-dump.c (print_version),
1561 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1564 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1566 * df-scan.c (problem_SCAN): Added NULL reset function.
1567 (df_scan_reset_blocks): Added code to call reset block function
1568 (df_bb_refs_delete) Fixed comment.
1569 (df_insn_refs_delete): Made tolerant of deleting non existent info
1570 for dataflow problems that need to be reset.
1571 * df-core.c (df_set_blocks): Ditto.
1572 * df.h (struct df_problem): Added reset_fun.
1573 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1574 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1575 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1576 functions to clear out all references to def-use or use-def chains.
1578 2006-01-21 Ben Elliston <bje@au.ibm.com>
1580 * varasm.c (assemble_real): Initialise data array.
1582 2006-01-20 Paul Brook <paul@codesourcery.com>
1584 Merge from csl-arm-branch.
1585 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1586 * config/arm/arm.md (movdi): Force operands[1] to a register
1587 if we have a non-register source.
1588 (*arm_movdi, *movdf_soft_insn): Require that one of the
1589 operands be a register.
1590 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1591 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1593 2006-01-20 DJ Delorie <dj@redhat.com>
1595 * varasm.c (initialize_constant_valid_p): Allow pointers
1596 initialized from integer constants of lesser precision.
1597 (output_constant): Allow non-int-sized pointer modes to be
1598 initialized from integer constants.
1600 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1603 * cppdefault.h (struct default_include): Add multilib flag.
1604 * cppdefault.c (cpp_include_defaults): Set it.
1605 * c.opt (-imultilib): New option.
1606 * c-opts.c (imultilib): New.
1607 (c_common_handle_option): Handle -imultilib.
1608 (c_common_post_options): Likewise.
1609 * c-incpath.c (add_standard_paths, register_include_chains):
1611 * c-incpath.h (register_include_chains): Add extra parameter.
1612 * gcc.c (do_spec_1): Generate -imultilib option.
1613 (The Specs Language): Update %I description.
1614 (process_command): Update copyright notice.
1615 * doc/cppopts.texi (-imultilib): Document.
1616 * doc/invoke.texi (-imultilib): Include in option summary.
1617 (%I): Update specs documentation.
1619 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1621 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1623 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1625 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1628 2006-01-20 Richard Guenther <rguenther@suse.de>
1629 Steven Bosscher <stevenb.gcc@gmail.com>
1631 PR rtl-optimization/24626
1632 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1633 EDGE_TRUE_VALUE if in RTL mode.
1636 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1637 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1639 2006-01-20 Dirk Mueller <dmueller@suse.com>
1642 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1643 instead of a special NOP marker.
1644 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1645 NOP marker handling.
1646 * c-common.h (empty_body_warning): Add forward declaration.
1647 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1648 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1650 2006-01-20 Paul Brook <paul@codesourcery.com>
1652 * Makefile.in (lang_checks): Keep going if mkdir fails.
1654 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1656 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1657 be able to clean out basic block when not necessary.
1658 (df_scan_free): Fixed to properly delete information if df is
1659 unused before calling df_finish.
1660 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1661 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1663 (df_bb_refs_delete): New function.
1664 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1665 * df-core.c (df_set_blocks): Added code to properly clean out
1666 unused blocks if they are not part of the blocks to consider.
1667 Added additional null check.
1668 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1669 be able to clean out basic block when not necessary
1670 * df.h (df_free_bb_function): Ditto.
1671 (df_bb_refs_delete): New function.
1672 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1673 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1674 basic block parameter to be able to clean out basic block when not
1676 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1677 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1678 Fixed to properly delete information if df is unused before
1681 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1683 PR rtl-optimization/25799
1684 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1685 Corrected confluence operator to remove bits from op2 before oring
1686 with op1 rather than removing bits from op1.
1687 (df_ru_transfer_function): Corrected test on wrong bitmap which
1688 caused infinite loop. Both of these problems were introduced in
1689 the dataflow rewrite.
1691 2006-01-19 DJ Delorie <dj@redhat.com>
1693 * reload1.c (find_reload_regs): Note the details of reload
1694 failures in the dump file.
1695 (spill_failure): Likewise.
1697 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1699 * loop-iv.c: Include df.h and hashtab.h.
1700 (enum iv_grd_result): New enum.
1701 (DF_REF_IV, DF_REF_IV_SET): New macros.
1702 (struct biv_entry): New.
1703 (df, bivs): New global variables.
1704 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1705 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1707 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1708 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1709 analyzed_for_bivness_p, record_biv): New functions.
1710 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1711 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1712 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1714 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1716 (iv_number_of_iterations): Use new interface to iv analysis.
1717 * loop-unroll.c: Do not include varray.h.
1718 (analyze_iv_to_split_insn): Use new interface to iv
1720 * loop-unswitch.c (may_unswitch_on): Ditto.
1721 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1723 (df_bb_modify): Realloc tables to the new index.
1724 (df_find_use): New function.
1725 * df.h (df_find_use): Declare.
1726 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1728 * cfgloop.h (struct rtx_iv): Remove analysed field.
1729 (iv_get_reaching_def): Removed.
1730 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1731 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1732 (loop-iv.o): Add df.h and hashtab.h dependency.
1733 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1735 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1738 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1740 (__floatundisf, __floatundidf): Likewise.
1741 * libgcc2.h (IS_IBM_EXTENDED): Define.
1743 2006-01-19 DJ Delorie <dj@redhat.com>
1745 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1747 2006-01-19 Paul Brook <paul@codesourcery.com>
1749 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1750 as nothrow when unwinding tables are disabled.
1752 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1755 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1756 of bit-field" when in system header.
1758 2006-01-19 DJ Delorie <dj@redhat.com>
1760 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1761 the 16 bit shift limit of the m16c.
1763 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1766 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1767 * config/i386/i386.c (output_set_got): Output the label if we have one
1768 for the TARGET_DEEP_BRANCH_PREDICTION case.
1770 2006-01-19 Jan Hubicka <jh@suse.cz>
1771 H.J. Lu <hongjiu.lu@intel.com>
1772 Evandro Menezes <evandro.menezes@amd.com>
1774 * invoke.texi (generic): Document
1776 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1777 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1778 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1779 (x86_use_incdec, x86_pad_returns): New variables
1780 (TARGET_CPU_DEFAULT_generic): New constant
1781 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1782 (enum processor_type): Add generic32 and generic64.
1783 * i386.md (cpu attribute): Add generic32/generic64
1784 (movhi splitter): Behave sanely when both partial_reg_dependency and
1785 partial_reg_stall are set.
1786 (K8 splitters): Enable for generic as well.
1787 * predicates.md (incdec_operand): Use TARGET_INCDEC
1788 (aligned_operand): Avoid memory mismatch stalls.
1789 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1790 * ppro.md: Enable for generic32
1791 * i386.c (generic64_cost, generic32_cost): New.
1792 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1793 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1794 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1795 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1796 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1797 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1798 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1799 x86_accumulate_outgoing_args, x86_prologue_using_move,
1800 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1801 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1803 (x86_use_incdec, x86_pad_returns): New.
1804 (override_options): Add generic32 and generic64, translate "generic"
1805 to generic32/generic64 and "i686" to "generic32", refuse
1806 "generic32"/"generic64" as arch target.
1807 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1808 (ix86_reorg): Honor PAD_RETURNS.
1810 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1812 * tree-pretty-print.c (dump_generic_node): Handle
1813 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1814 * cgraph.c (cgraph_expand_queue): Rename from
1815 cgraph_analyze_queue. Update all users.
1816 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1817 cgraph_expand_queue.
1818 (cgraph_expand_all_functions): Likewise.
1819 (cgraph_finalize_pending_functions): Remove. Update callers.
1821 * tree.h (OMP_DIRECTIVE_P): Define.
1822 (OMP_PARALLEL_FN): Define.
1823 (OMP_PARALLEL_DATA_ARG): Define.
1824 (OMP_SECTIONS_SECTIONS): Define.
1825 * tree-pass.h (pass_expand_omp): Declare.
1826 * omp-low.c (struct omp_region): Declare.
1827 (struct omp_context): Remove fields 'parallel_type',
1828 'parallel_start_ix' and 'parallel_start_additional_args'.
1830 (struct omp_for_data): Rename from struct expand_omp_for_data.
1831 (omp_regions): New static variable.
1832 (root_omp_region): New static variable.
1833 (find_omp_clause): Make static.
1834 (is_in_combined_parallel_ctx): Remove.
1835 (is_combined_parallel): New.
1836 (extract_omp_for_data): Move earlier in the file.
1837 (workshare_safe_to_combine_p): New.
1838 (get_ws_args_for): New.
1839 (determine_parallel_type): Move earlier in the file.
1840 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1842 (omp_copy_decl): Likewise.
1843 (create_omp_child_function): Likewise.
1844 (lookup_omp_region): New.
1845 (dump_omp_region): New.
1846 (debug_omp_region): New.
1847 (debug_all_omp_regions): New.
1848 (new_omp_region): New.
1849 (scan_omp_parallel): If parallel_nesting_level > 1, the
1850 directive is nested within another parallel directive.
1851 Set OMP_PARALLEL_FN.
1852 (scan_omp_for): Do not try to handle combined parallel+for
1854 Remove FIXME comment.
1855 (scan_omp_nested): Remove.
1856 (scan_omp_1): Do not call scan_omp_nested when
1857 parallel_nesting_level is > 1.
1858 Do not change the DECL_CONTEXT of local variables found.
1859 (lookup_decl_in_outer_ctx): New.
1860 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1861 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1862 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1863 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1864 If CTX is nested, lookup VAR in the outer context when
1865 building copy assignment.
1866 (lower_send_clauses): Rename from expand_send_clauses.
1867 If CTX is nested, lookup VAR in the outer context when
1868 building copy assignments.
1869 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1870 If CTX is nested, lookup VAR in the outer context when
1871 building copy assignments.
1872 (expand_parallel_call): Rename from build_parallel_call.
1873 Handle combined parallel+workshare cases.
1874 Re-implement to emit code into the CFG.
1876 (expand_omp_parallel): Re-implement to emit code into the CFG.
1877 Call move_sese_region_to_fn to outline the sub-graph
1878 containing the parallel region.
1879 (expand_omp_for_1): Remove.
1880 (expand_omp_for_generic): Re-implement to emit code into the
1882 (expand_omp_for_static_nochunk): Likewise.
1883 (expand_omp_for_static_chunk): Likewise.
1884 (expand_omp_for): Likewise.
1885 (expand_omp_sections): Likewise.
1886 (remove_exit_barriers): New.
1887 (expand_omp_synch): New.
1889 (build_omp_regions_1): New.
1890 (build_omp_regions): New.
1891 (execute_expand_omp): New.
1892 (gate_expand_omp): New.
1893 (pass_expand_omp): Define.
1894 (lower_omp_sections): Rename from expand_omp_sections.
1895 Set OMP_SECTIONS_SECTIONS.
1896 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1897 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1898 (lower_omp_single): Rename from expand_omp_simple.
1899 (lower_omp_master): Rename from expand_omp_master.
1900 (lower_omp_ordered): Rename from expand_omp_ordered.
1901 (lower_omp_critical): Rename from expand_omp_critical.
1902 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1903 (lower_omp_for): Re-implement.
1904 (lower_omp_parallel): Re-implement.
1905 (lower_regimplify): Rename from expand_regimplify.
1906 (lower_omp_1): Rename from expand_omp_1.
1907 If there are syntax errors in the program, replace every
1908 OpenMP directive with NOP.
1909 Call lower_omp_* instead of expand_omp_*.
1910 (lower_omp): Rename from expand_omp.
1912 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1913 * tree-gimple.h (enum omp_parallel_type): Remove.
1914 (gimple_boolify): Declare extern.
1915 (find_omp_clause, determine_parallel_type): Remove.
1917 * gimple-low.c (lower_omp_directive): New.
1918 (lower_stmt): Call it.
1919 (record_vars_into): Move from ...
1920 (record_vars): ... here.
1921 Call record_vars_into with current_function_decl.
1923 * gimplify.c (struct gimplify_ctx): Remove fields
1924 combined_pre_p and combined_ctxp. Update users.
1925 (get_formal_tmp_var): Add documentation.
1926 (gimple_boolify): Make extern.
1927 (gimplify_expr_in_ctx): Remove. Update callers.
1928 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1929 will always be a BIND_EXPR.
1930 (gimplify_expr): Handle OMP_RETURN_EXPR.
1931 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1932 (OMP_PARALLEL): Add 3 operands.
1933 (OMP_SECTIONS): Add 1 operand.
1934 (OMP_RETURN_EXPR): Define.
1936 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1937 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1938 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1939 creating a circular free list.
1940 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1942 * tree-flow.h (move_sese_region_to_fn): Declare.
1943 (record_vars_into): Declare.
1944 * tree-cfg.c (make_omp_sections_edges): New.
1945 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1946 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1947 OMP_SECTIONS and OMP_SECTION.
1948 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1949 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1950 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1951 (gather_blocks_in_sese_region): New.
1952 (struct move_stmt_d): Declare.
1954 (move_block_to_fn): New.
1955 (move_sese_region_to_fn): New.
1957 * passes.c (init_optimization_passes): Schedule
1958 pass_expand_omp after pass_init_datastructures.
1960 * tree-ssa-operands.c (get_expr_operands): Handle
1961 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1962 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1964 2006-01-19 Jeff Law <law@redhat.com>
1966 * tree-vrp.c (extract_range_from_assert): Refine the result range
1967 if the variable referenced by the ASSERT_EXPR has a range and
1968 either the tentative result range or the previous range is a
1971 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1973 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1975 2006-01-19 Jan Hubicka <jh@suse.cz>
1977 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1979 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1981 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1982 (expand_compound_operation, expand_field_assignment): Fail if the
1983 bit lengths of an extract operation are out of range.
1984 (make_extraction): Compute wanted_inner_mode based on the position
1985 and length of the extraction. Make it extraction_mode for non-constant
1986 positions, and do not modify offset in that case. When generating a
1987 new MEM, use a mode that can hold the extraction while keeping correct
1988 alignment. Remove code that supported MEMs wrapped by USEs.
1989 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1991 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1993 * config/s390/s390.md ("Y", "y"): New mode attribute.
1994 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1995 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1996 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1997 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1998 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1999 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2000 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2001 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2002 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2003 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2004 "addsi3", "subsi3"): Insn patterns removed.
2005 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2006 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2007 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2008 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2009 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2010 "*sub<mode>3_cconly2"): New insn patterns.
2011 ("addsi3", "subsi3"): New expanders.
2013 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2015 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2016 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2017 existing STMT_VINFO_VECTYPE if available.
2018 (vect_mark_relevant): Add special handling for stmts that are
2019 marked as STMT_VINFO_IN_PATTERN_P.
2020 (vect_analyze_loop): Call vect_pattern_recog.
2021 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2022 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2024 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2025 (vect_recog_func_ptr): New function-pointer type.
2026 * tree-vect-patterns.c: New file.
2027 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2028 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2029 (vect_pattern_recog_1): New functions.
2030 (vect_pattern_recog_funcs): New array of function pointers.
2032 * tree-vectorizer.h (ternary_op): New enum value.
2033 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2034 declaration. Revised documentation. Removed redundant dump prints.
2035 Removed redundant argument. Added support for reduction patterns.
2036 (vectorizable_reduction): Added support for reduction patterns.
2037 (vect_transform_stmt): Added support for patterns.
2039 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2040 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2041 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2042 (expand_widen_pattern_expr): New function.
2043 (init_optabs): Initialize new optabs udot_prod_optab,
2045 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2046 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2047 (expand_widen_pattern_expr): New function declaration.
2048 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2050 * tree-inline.c (estimate_num_insns_1): Added cases for new
2051 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2052 * tree-pretty-print.c (dump_generic_node): Likewise.
2053 (op_prio): Likewise.
2054 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2055 * tree-ssa-operands.c (get_expr_operands): Added case for
2057 * tree-vect-patterns.c (widened_name_p): New function.
2058 (vect_recog_dot_prod_pattern): Added function implementation.
2059 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2060 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2061 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2062 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2064 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2065 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2066 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2067 (init_optabs): Initialize new optabs widen_ssum_optab,
2069 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2070 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2071 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2072 use instead of type of def.
2073 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2074 function implementation.
2075 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2076 widen_ssumv8hi): New.
2078 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2081 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2084 * c-decl.c (add_flexible_array_elts_to_size): New function.
2085 (finish_decl): Use it.
2087 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2089 * diagnostic.h: Include options.h.
2090 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2091 dependancies for diagnostic.h.
2092 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2094 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2096 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2097 (ssa_ro_call_cache_valid): Ditto.
2098 * tree-ssa-alias.c (sort_tags_by_id): New function.
2099 (init_transitive_clobber_worklist): Ditto.
2100 (add_to_worklist): Ditto.
2101 (mark_aliases_call_clobbered): Ditto.
2102 (compute_tag_properties): Ditto.
2103 (set_initial_properties): Ditto.
2104 (compute_call_clobbered): Ditto.
2105 (compute_may_aliases): Call compute_call_clobbered and grouping.
2106 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2107 (compute_flow_insensitive_aliasing): Grouping now happens in our
2109 (setup_pointers_and_addressables): Remove clobbering related code.
2110 (add_may_alias): Ditto.
2111 (replace_may_alias): Ditto.
2112 (get_nmt_for): Ditto.
2113 (create_global_var):
2114 (is_escape_site): Return an escape_type enumeration.
2115 * tree-flow-inline.h (is_call_clobbered): Global var does not
2116 imply call clobbered.
2117 (mark_call_clobbered): Take a reason for marking this. Remove
2118 marking of globalness, and cache invalidation.
2119 (clear_call_clobbered): Remove cache invalidation code.
2120 * tree-dfa.c (dump_variable): If details is on, dump the reason
2122 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2124 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2125 (struct var_ann_d): Ditto.
2126 (enum escape_type): New.
2127 (mark_call_clobbered): Adjust prototype.
2128 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2129 are never call clobbered.
2130 Record reasons for escaping.
2131 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2132 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2133 (ssa_ro_call_cache_valid): Ditto.
2134 (clobbered_v_may_defs): Ditto.
2135 (clobbered_vuses): Ditto.
2136 (ro_call_vuses): Ditto.
2137 (clobber_stats): New.
2138 (init_ssa_operands): Zero out clobber stats.
2139 (fini_ssa_operands): Print out clobber stats.
2140 (get_call_expr_operands): Pass callee fndecl to
2142 (add_call_clobber_ops): Remove use of cache.
2143 Add use of PURE_CONST information.
2144 (add_call_read_ops): Remove use of cache.
2145 Add use of static not_read information.
2147 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2149 Introduce TLS descriptors for i386 and x86_64.
2150 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2151 (TARGET_ANY_GNU_TLS): New macro.
2152 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2153 (struct machine_function): Add tls_descriptor_call_expanded_p.
2154 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2155 (ix86_current_function_calls_tls_descriptor): Likewise.
2156 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2157 (override_options): Introduce gnu2 tls dialect.
2158 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2160 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2162 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2163 (ix86_init_machine_status): Initialize new field.
2164 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2165 (ix86_tls_module_base): New.
2166 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2167 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2168 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2169 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2170 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2171 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2172 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2173 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2174 * config/i386/predicates.md (tls_modbase_operand): New.
2175 (tp_or_register_operand): New.
2177 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2179 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2180 (look_for_address_of): Ditto.
2181 (ipa_init): Walk the function decls.
2182 (static_execute): Don't set readonly on FUNCTION_DECL's.
2184 2006-01-18 Roger Sayle <roger@eyesopen.com>
2186 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2187 for shifts where the source and destination registers are different.
2189 2006-01-18 Paul Brook <paul@codesourcery.com>
2191 Merge from csl-arm-branch.
2192 2005-03-14 Julian Brown <julian@codesourcery.com>
2193 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2194 (aeabi_llsl): Likewise.
2195 (ashrdi3): Likewise.
2196 (aeabi_lasr): Likewise.
2197 (lshrdi3): Likewise.
2198 (aeabi_llsr): Likewise.
2199 2005-03-10 Julian Brown <julian@codesourcery.com>
2200 * config.gcc: Disable shared libgcc for SymbianOS.
2201 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2203 2006-01-18 DJ Delorie <dj@redhat.com>
2205 * c-pragma.c (handle_pragma_diagnostic): New.
2206 (init_pragma): Register it.
2207 * doc/extend.texi: Document it.
2209 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2210 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2211 (diagnostic_context): Add classify_diagnostic[].
2212 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2213 as errors if they're overridden to DK_WARNING.
2214 (diagnostic_initialize): Initialize classify_diagnostic[].
2215 (diagnostic_set_kind_override): New.
2216 (diagnostic_report_diagnostic): Check for kind changes.
2217 * opts.c (common_handle_option): Take lang_mask. Update callers.
2219 * common.opt (Werror=): New.
2220 * doc/invoke.texi: Document -Werror=*
2222 2006-01-18 Jeff Law <law@redhat.com>
2224 * tree-vrp.c (test_for_singularity): Correct test for new
2225 min limit. Use operand_equal_p rather than pointer equality
2226 for testing if new min/max values are equal.
2228 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2229 using range information until after propagation and folding.
2231 2006-01-18 Richard Henderson <rth@redhat.com>
2232 Aldy Hernandez <aldyh@redhat.com>
2233 Jakub Jelinek <jakub@redhat.com>
2234 Diego Novillo <dnovillo@redhat.com>
2236 * omp-low.c: New file.
2237 * c-omp.c: New file.
2239 2006-01-18 Richard Henderson <rth@redhat.com>
2240 Jakub Jelinek <jakub@redhat.com>
2241 Diego Novillo <dnovillo@redhat.com>
2243 * doc/invoke.texi: Document -fopenmp.
2244 * tree-dump.h (debug_function): Declare.
2245 * hooks.c (hook_bool_tree_bool_false): New function.
2246 (hook_tree_tree_null): Remove.
2247 (hook_tree_tree_tree_null): New.
2248 * hooks.h: Update to match.
2249 * tree-pretty-print.c (debug_tree_chain): New.
2250 (print_generic_expr): Handle TDF_CHAIN.
2251 (dump_generic_node): Handle BLOCK.
2252 Do not abort with incomplete SWITCH_EXPRs.
2253 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2254 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2255 print space after directive name.
2256 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2257 Handle OMP_MASTER and OMP_ORDERED.
2258 Handle printing of OMP_BODY just in one place, goto
2259 dump_omp_body in the rest of OMP_* nodes that have
2261 Don't handle clause nodes here. Update omp statements to
2262 use dump_omp_clauses.
2263 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2264 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2265 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2266 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2267 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2268 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2269 Adjust output for GOMP_PARALLEL.
2270 (dump_omp_clauses): New.
2271 (print_declaration): Dump DECL_VALUE_EXPR.
2272 (op_symbol_1): Split out of op_symbol.
2273 (dumping_stmts): Remove. Update all users.
2274 * cgraph.c (cgraph_analyze_queue): New.
2275 (cgraph_add_new_function): New.
2276 * cgraph.h (cgraph_analyze_queue): Declare.
2277 (cgraph_add_new_function): Declare.
2278 (cgraph_lower_function): Remove.
2279 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2280 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2281 and TYPE_P nodes in its default clause.
2282 (empty_body_p): New.
2283 (tree_range_check_failed): New.
2285 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2286 OMP_CLAUSE_REDUCTION_MERGE,
2287 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2288 OMP_CLAUSE_PRIVATE_DEBUG,
2289 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2290 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2291 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2292 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2293 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2294 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2295 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2296 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2297 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2298 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2299 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2300 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2301 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2302 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2303 (TREE_RANGE_CHECK): New.
2304 (empty_body_p): Declare.
2305 (enum omp_clause_default_kind): New.
2306 (build_string_literal): Declare.
2307 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2308 (build5_stat, build5): Declare.
2309 * tree-pass.h (TDF_CHAIN): Define.
2310 * tree-pass.h (PROP_gimple_lomp): Define.
2311 (pass_lower_omp): Declare.
2312 * diagnostic.h (debug_tree_chain): Declare.
2313 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2315 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2316 * builtins.c (build_string_literal): Make extern.
2317 * gcc.c (include_spec_function): New.
2318 (static_spec_functions): Add it.
2319 (main): Move load of libgomp.spec ...
2320 (LINK_COMMAND_SPEC): ... here.
2321 (link_gomp_spec): New.
2322 (static_specs): Include it.
2323 (LINK_COMMAND_SPEC): Add link_gomp.
2324 (GOMP_SELF_SPECS): New.
2325 (driver_self_specs): Include it.
2326 (switch_matches): Don't mark inline.
2327 (main): Load libgomp.spec.
2328 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2329 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2330 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2331 * tree-gimple.h (enum omp_parallel): Declare.
2332 (determine_parallel_type): Declare.
2333 (omp_firstprivatize_variable): Declare.
2334 (omp_reduction_init): Declare.
2335 (diagnose_omp_structured_block_errors): Declare.
2336 (struct walk_stmt_info): Add want_return_expr.
2337 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2338 (find_omp_clause): Declare.
2339 (insert_field_into_struct): Declare.
2340 (struct walk_stmt_info): Move from tree-nested.c
2341 (walk_stmts): Declare.
2342 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2344 * cgraphunit.c (cgraph_lower_function): Make static.
2345 (cgraph_finalize_pending_functions): New.
2346 (cgraph_finalize_function): Call it.
2347 (cgraph_finalize_compilation_unit): Likewise.
2348 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2349 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2350 (BT_FN_UINT_UINT): New.
2351 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2352 DEF_FUNCTION_TYPE_VAR_4): Document.
2353 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2354 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2355 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2356 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2357 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2358 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2359 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2360 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2361 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2362 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2363 into separate files.
2364 (DEF_GOMP_BUILTIN): New.
2365 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2366 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2367 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2368 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2369 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2370 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2371 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2372 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2373 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2374 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2375 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2376 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2377 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2378 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2379 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2380 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2381 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2382 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2383 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2384 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2385 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2386 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2387 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2388 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2389 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2390 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2391 * sync-builtins.def: New file, moved from builtins.def.
2392 * omp-builtins.def: New file, moved from builtins.def.
2393 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2394 * gimple-low.c (lower_function_body): Clear data.
2395 (lower_stmt): Do not handle COMPOUND_EXPR.
2396 Remove call to print_node_brief.
2397 * c-tree.h (c_finish_omp_clauses): New prototype.
2398 (C_DECL_THREADPRIVATE_P): Define.
2399 (lookup_name_no_remap, c_omp_remap_private): Remove
2400 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2401 (check_for_loop_decls): Update decl.
2402 (lookup_name_no_remap, c_omp_remap_private): Declare.
2403 (build_indirect_ref, build_modify_expr, pushdecl,
2404 pushdecl_top_level): Move to c-common.h.
2405 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2406 before the switch, but just in the 2 places that need it.
2407 * c-decl.c (diagnose_mismatched_decls): Do not check for
2408 mismatched thread-local attributes when OLDDECL is marked
2409 threadprivate and NEWDECL has no thread-local attributes.
2410 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2411 (c_gimple_diagnostics_recursively): Rename from
2412 c_warn_unused_result_recursively. Invoke
2413 diagnose_omp_structured_block_errors.
2414 (check_for_loop_decls): Return a singular decl found.
2415 * langhooks.c (lhd_omp_predetermined_sharing): Return
2416 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2417 (lhd_omp_firstprivatize_type_sizes): New.
2418 (lhd_omp_assignment): New.
2419 (lhd_omp_predetermined_sharing): New.
2420 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2421 (struct lang_hooks_for_types): Add
2422 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2423 omp_predetermined_sharing, omp_disregard_value_expr,
2424 omp_private_debug_clause, omp_clause_default_ctor,
2425 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2426 (c_finish_omp_clauses): New.
2427 (c_finish_bc_stmt): Diagnose break within omp for.
2428 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2429 (build_unary_op): Return error_mark after reporting
2431 (build_modify_expr): Likewise.
2432 * gimplify.c: Include optabs.h and pointer-set.h.
2433 (enum gimplify_omp_var_data): Declare.
2434 (struct gimplify_omp_ctx): Declare.
2435 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2437 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2438 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2439 (splay_tree_compare_decl_uid): New.
2440 (new_omp_context): New.
2441 (delete_omp_context): New.
2442 (gimple_add_tmp_var): Call omp_add_variable.
2443 (gimplify_bind_expr): Likewise.
2444 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2445 true, disregard DECL_VALUE_EXPR on the decl if any.
2446 (gimplify_expr_in_ctx): New.
2447 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2448 omp_add_variable, omp_notice_variable, omp_is_private
2449 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2450 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2451 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2452 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2453 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2454 gimplify_omp_atomic): New.
2455 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2456 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2457 OMP_CRITICAL and OMP_ATOMIC.
2458 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2459 * c-pragma.h (enum pragma_kind): Add
2460 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2461 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2462 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2463 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2464 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2465 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2466 PRAGMA_OMP_THREADPRIVATE.
2467 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2468 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2469 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2470 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2471 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2472 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2473 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2474 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2475 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2476 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2477 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2478 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2479 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2481 (struct nesting_info): Add field_map,
2482 suppress_expansion, debug_var_chain.
2483 (create_nesting_tree): Initialize them.
2484 (lookup_field_for_decl): Use field_map.
2485 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2486 (convert_local_omp_clauses): New.
2487 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2488 (walk_body): Split out of walk_function.
2489 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2490 (convert_nonlocal_reference): Handle omp statements.
2491 (convert_local_reference): Likewise.
2492 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2493 (unnest_nesting_tree): New.
2494 (lower_nested_functions): Call it.
2495 (insert_field_into_struct): Make extern.
2496 (struct walk_stmt_info): Move to tree-gimple.h.
2497 (walk_stmts): Make extern.
2498 * omp-builtins.def: New file.
2499 * tree-iterator.c (expr_only): Clarify comment.
2500 * c-common.h (pushdecl_top_level, pushdecl,
2501 build_modify_expr, build_indirect_ref,
2502 c_finish_omp_master, c_finish_omp_critical,
2503 c_finish_omp_ordered, c_finish_omp_barrier,
2504 c_finish_omp_atomic, c_finish_omp_flush,
2505 c_finish_omp_for, c_split_parallel_clauses,
2506 omp_clause_default_kind, c_omp_sharing_predetermined,
2507 c_omp_remap_decl): Declare.
2508 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2509 (OBJS-common): Add omp-low.o.
2510 (c-omp.o, omp-low.o): Add.
2511 (gimplify.o): Add dependency on $(OPTABS_H).
2512 (GTFILES): Add omp-low.c.
2513 (gt-stringpool.h): Add.
2514 * tree-cfg.c (set_bb_for_stmt): Do not update the
2515 block-to-labels map if we are currently expanding to RTL.
2516 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2518 Handle IDENTIFIER_NODE.
2519 (tree_verify_flow_info): Do not ICE when emitting error
2520 messages about invalid labels.
2521 (dump_function_to_file): Reset CFUN before emitting the body
2523 (debug_function): New.
2524 * passes.c (init_optimization_passes): Schedule
2526 * langhooks-def.h (lhd_omp_predetermined_sharing,
2527 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2529 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2530 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2531 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2532 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2533 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2534 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2535 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2536 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2537 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2538 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2539 (LANG_HOOK_DECLS): Use them.
2541 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2542 Richard Henderson <rth@redhat.com>
2543 Jakub Jelinek <jakub@redhat.com>
2544 Diego Novillo <dnovillo@redhat.com>
2546 * c-parser.c (pragma_omp_clause): Define.
2547 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2548 (c_parser_compound_statement): Likewise.
2549 (c_parser_statement): Likewise.
2550 (c_parser_pragma): Handle omp pragmas.
2551 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2552 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2553 (c_parser_omp_clause_name, check_no_duplicate_clause,
2554 c_parser_omp_variable_list,
2555 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2556 c_parser_omp_clause_copyprivate,
2557 c_parser_omp_clause_default,
2558 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2559 c_parser_omp_clause_lastprivate,
2560 c_parser_omp_clause_nowait,
2561 c_parser_omp_clause_num_threads,
2562 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2563 c_parser_omp_clause_reduction,
2564 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2565 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2566 c_parser_omp_atomic, c_parser_omp_barrier,
2567 c_parser_omp_critical, c_parser_omp_flush,
2568 c_parser_omp_for_loop, c_parser_omp_for,
2569 c_parser_omp_master, c_parser_omp_ordered,
2570 c_parser_omp_sections_scope, c_parser_omp_sections,
2571 c_parser_omp_parallel, c_parser_omp_single,
2572 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2573 * c-pragma.c (init_pragma): Do omp pragma registration here.
2574 * c.opt (fopenmp): New flag.
2576 2006-01-18 Eric Christopher <echristo@apple.com>
2578 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2579 * config/darwin.h (GOMP_SELF_SPECS): Define.
2581 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2583 * rtl.h: Remove the prototype for reg_alloc.
2585 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2588 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2589 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2590 sjlj and dwarf2 exception handling.
2591 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2592 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2593 * pa/pa.c (function_value): Treat complex and vector types as
2595 (function_arg): Likewise. Only pass scalar floats in the floating
2596 point argument registers.
2597 * pa/t-slibgcc-dwarf-ver: New file.
2598 * pa/t-slibgcc-sjlj-ver: New file.
2599 * pa/t-slibgcc-elf-ver: Delete file.
2601 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2603 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2604 unlikely_test_section_p test.
2606 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2608 * mode-switching.c (optimize_mode_switching): Make it static.
2609 * basic-block.h: Remove the prototype for
2610 optimize_mode_switching.
2612 * modulo-sched.c (sms_schedule): Make it static.
2613 * rtl.h: Remove the prototype for sms_schedule.
2615 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2616 * rtl.h: Remove the prototype for gcse_after_reload_main.
2618 * reg-stack.c (reg_to_stack): Make it static.
2619 * rtl.h: Remove the prototype for reg_to_stack.
2621 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2623 * rtl.h: Remove the prototypes for regrename_optimize and
2624 copyprop_hardreg_forward.
2626 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2628 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2629 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2630 Test against the appropriate null constant for the mode.
2631 If 'fixup_overlap' is true, swap the operands if they overlap.
2632 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2633 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2634 alpha_split_tmode_pair and adjust for above change.
2635 * config/alpha/alpha.md (movtf_internal): Adjust call to
2636 alpha_split_tfmode_pair and rely on it to swap the operands.
2637 (movti_internal): New insn and post-reload splitter.
2638 (movti): New expander.
2640 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2642 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2645 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2647 * rtlanal.c (global_reg_mentioned_p_1,
2648 global_reg_mentioned_p): Remove.
2649 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2651 * flow.c (initialize_uninitialized_subregs): Make it static.
2652 * rtl.h: Remove the prototype for
2653 initialize_uninitialized_subregs.
2655 * function.c (instantiate_virtual_regs): Make it static.
2656 * function.h: Remove the prototype for
2657 instantiate_virtual_regs.
2659 * regmove.c (regmove_optimize, combine_stack_adjustments):
2661 * rtl.h: Remove the prototypes for regmove_optimize and
2662 combine_stack_adjustments.
2664 2006-01-17 Roger Sayle <roger@eyesopen.com>
2666 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2667 (size_cost): Encode costs in bytes so that a reg-reg addition is
2668 equivalent to COSTS_N_INSNS(1).
2669 (override_options): Use the size_cost.branch_cost as the default
2670 ix86_branch_cost when optimizing for size.
2672 2006-01-18 Ben Elliston <bje@au.ibm.com>
2674 * Makefile.in (D32PBIT_FUNCS): New.
2675 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2676 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2677 D64PBIT_FUNCS and D128PBIT_FUNCS.
2678 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2679 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2681 (decnumber_dep): Define.
2682 * doc/libgcc.texi (Decimal float library routines): New node.
2683 * config/dfp-bit.h, config/dfp-bit.c: New files.
2685 2006-01-18 Ben Elliston <bje@au.ibm.com>
2687 * expr.c (emit_move_change_mode): Always adjust addresses, not
2688 just during reload. Copy replacements only during reload.
2689 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2690 emit_move_via_integer.
2692 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2694 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2695 instead of $(srcdir) and ${srcdir}.
2697 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2701 * arm.h (struct machine_function): Add pic_reg.
2702 * arm.c (arm_pic_register): Make unsigned.
2703 (arm_override_options): Only set arm_pic_register if
2704 TARGET_SINGLE_PIC_BASE.
2705 (use_return_insn): Only test for a pic register if it is fixed.
2706 (arm_compute_save_reg0_reg12_mask): Likewise.
2707 (thumb_compute_save_reg_mask): Likewise.
2708 (legitimate_pic_operand): Factor out some known invariants.
2709 (legitimize_pic_address): If we don't have a fixed pic register,
2710 then set up a pseudo in the function entry sequence. Handle the
2711 pic base being in a pseudo.
2712 (arm_load_pic_register): Handle the pic register being in a pseudo.
2713 (arm_expand_prologue): Only set up the pic register if it is fixed.
2714 (thumb_expand_prologue): Likewise.
2715 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2716 (pic_load_addr_based_insn): Likewise.
2717 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2720 2006-01-18 Ben Elliston <bje@au.ibm.com>
2722 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2723 decimal float modes for all floating point registers.
2725 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2726 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2728 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2731 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2732 even when the pointer is not NULL.
2734 2006-01-16 Ian Lance Taylor <ian@airs.com>
2736 * common.opt (ftoplevel-reorder): New option.
2737 * cgraph.c (cgraph_asm_nodes): New global variable.
2738 (cgraph_asm_last_node): New static variable.
2739 (cgraph_order): New global variable.
2740 (cgraph_create_node): Set new order field.
2741 (cgraph_varpool_node): Likewise.
2742 (decide_is_variable_needed): Return true if not
2743 flag_toplevel_reorder.
2744 (cgraph_add_asm_node): New function.
2745 * cgraph.h (struct cgraph_node): Add order field.
2746 (struct cgraph_varpool_node): Add order field.
2747 (struct cgraph_asm_node): Define.
2748 (cgraph_asm_nodes, cgraph_order): Declare.
2749 (cgraph_add_asm_node): Declare.
2750 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2752 (cgraph_varpool_assemble_pending_decls): Call it.
2753 (cgraph_output_pending_asms): New static function.
2754 (cgraph_finalize_compilation_unit): Call it.
2755 (struct cgraph_order_sort): Define.
2756 (cgraph_output_in_order): New static function.
2757 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2758 !flag_toplevel_reorder case.
2759 * c-parser.c: Include "cgraph.h".
2760 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2762 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2763 than -fno-unit-at-a-time.
2764 * doc/invoke.texi (Option Summary): Mention
2765 -fno-toplevel-reorder.
2766 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2767 -funit-at-a-time documentation.
2769 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2770 Kazu Hirata <kazu@codesourcery.com>
2772 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2774 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2776 * Makefile.in (FUNCTION_H): New. Use it instead of
2777 function.h throughout the file.
2778 * function.h: Include tree.h.
2780 2006-01-17 Ben Elliston <bje@au.ibm.com>
2782 * recog.c: Separate some functions with whitespace.
2784 2006-01-16 Richard Henderson <rth@redhat.com>
2786 Merge from gomp branch:
2787 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2788 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2789 and rename from struct inline_data. Rename callee* to dst*;
2790 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2791 transform_new_cfg, transform_return_to_modify, and
2792 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2794 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2795 (copy_decl_for_dup): Remove.
2796 * tree-inline.c (struct inline_data): Move to header.
2797 (insert_decl_map): Export.
2798 (remap_decl): Update for member name changes. Use copy_decl hook.
2799 Allow for replacement to be a non-decl. Remove dead code.
2800 (remap_type_1): Check for existing mapping.
2801 (remap_type): Export.
2802 (remap_decls): Update for member name changes.
2803 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2804 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2805 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2806 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2807 (tree_function_versioning, build_duplicate_type): Likewise.
2808 (copy_body_r): Likewise. Export.
2809 (copy_decl_for_dup): Split into ...
2810 (copy_decl_for_dup_finish, copy_decl_to_var,
2811 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2812 (replace_ref_tree, inlining_p): Remove.
2814 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2816 * ifcvt.c (if_convert): Make it static.
2817 * rtl.h: Remove the prototype for if_convert.
2819 * local-alloc.c (local_alloc): Make it static.
2820 * rtl.h: Remove the prototype for local_alloc.
2822 * loop.c (loop_optimize): Make it static.
2823 * cfgloop.h: Remove the prototype for loop_optimize.
2826 2006-01-16 DJ Delorie <dj@redhat.com>
2828 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2831 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2833 * pa.md: Disparage copies between general and floating-point registers
2834 in 32-bit move patterns.
2836 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2839 * Makefile.in (check-%): Depend on site.exp instead of
2840 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2843 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2845 * global.c (global_alloc): Make it static.
2846 * rtl.h: Remove the prototype for global_alloc.
2848 2006-01-16 Richard Guenther <rguenther@suse.de>
2850 * tree-ssa-alias.c (struct used_part): Add write_only field.
2851 (get_or_create_used_part_for): Initialize it to true.
2852 (create_overlap_variables_for): Don't create structure variables
2853 for structures that only are written to.
2854 (find_used_portions): Handle MODIFY_EXPR to track whether a
2855 structure is only written to.
2857 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2859 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2861 * basic-block.h: Remove the prototype for
2862 partition_hot_cold_basic_blocks.
2864 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2866 * cppspec.c (lang_specific_spec_functions): Remove.
2867 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2868 * gcc.h (lang_specific_spec_functions): Remove.
2869 * gccspec.c (lang_specific_spec_functions): Remove.
2871 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2873 * combine.c (record_value_for_reg): Invalidate registers
2875 (record_dead_and_set_regs_1): Likewise, by passing them to
2876 record_value_for_reg.
2877 (record_dead_and_set_regs): Invalidate stores made by a
2878 call. We do not combine across a call, but we still
2879 relied on equivalences.
2881 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2883 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2884 vrp_int_const_binop returning non-constant nodes.
2886 2006-01-16 Paul Brook <paul@codesourcery.com>
2888 * config/m68k/m68k.c (output_move_const_into_data_reg):
2889 Output correct mnemonic for mvz and mvs.
2891 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2893 * rtl-factoring.c: Add sequence abstraction algorithm.
2894 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2895 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2897 (block_has_preserve_label): New function.
2898 * common.opt: Register new pass.
2899 * Makefile.in: Ditto.
2901 * timevar.def: Ditto.
2902 * tree-pass.h: Ditto.
2903 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2904 * rtl.h (make_jump_insn_raw): Add forward decl.
2905 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2907 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2908 Roger Sayle <roger@eyesopen.com>
2910 * fold-const.c (fold_minmax): New static function.
2911 (fold_binary) <MIN_EXPR>: Call it.
2912 <MAX_EXPR>: Likewise.
2913 * stor-layout.c (place_field): Use DECL_SIZE consistently
2914 in the computation of the new record size.
2916 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2918 * cse.c (cse_condition_code_reg): Make it static.
2919 * rtl.h: Remove the prototype for cse_condition_code_reg.
2921 * combine.c (combine_instructions): Make it static.
2922 * rtl.h: Remove the prototype for combine_instructions.
2924 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2927 * tree.c (get_file_function_name_long): Concatenate the first global
2928 object name with a string derived from the input filename of the object
2931 2006-01-16 Ben Elliston <bje@au.ibm.com>
2933 * config/i386/winnt-stubs.c: Update FSF address.
2934 * config/xtensa/ieee754-df.S: Ditto.
2935 * config/xtensa/ieee754-sf.S: Ditto.
2937 2006-01-14 Ian Lance Taylor <ian@airs.com>
2939 * ifcvt.c (noce_init_if_info): New static function, broken out of
2940 noce_process_if_block.
2941 (noce_process_if_block): Call noce_init_if_info.
2942 (check_cond_move_block): New static function.
2943 (cond_move_process_if_block): New static function.
2944 (process_if_block): Call cond_move_process_if_block.
2946 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2948 * cselib.c (hash_table): Rename to cselib_hash_table.
2949 (cselib_clear_table, discard_useless_values,
2950 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2951 cselib_init, cselib_finish): Adjust uses of hash_table.
2953 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2955 PR tree-optimization/25485
2956 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2957 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2958 is known to be false and true, respectively.
2960 2006-01-14 Richard Guenther <rguenther@suse.de>
2962 PR tree-optimization/22548
2963 PR tree-optimization/22555
2964 PR tree-optimization/22501
2965 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2966 * params.def (salias-max-array-elements): New parameter.
2967 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2968 * doc/invoke.texi (salias-max-array-elements): Document.
2969 * tree-flow-inline.h (var_can_have_subvars): We also handle
2971 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2973 * tree-ssa-structalias.c (params.h): Include.
2974 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2975 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2976 (get_constraint_for): For ADDR_EXPR operating on something
2977 containing an ARRAY_REF, add all subvars to the solution.
2978 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2979 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2980 for creating MUST_DEFs.
2981 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2983 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2985 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2987 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2988 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2989 number_of_iterations_le): New functions.
2990 (number_of_iterations_special): Removed.
2991 (number_of_iterations_exit): Do not use number_of_iterations_special.
2992 * tree.c (unsigned_type_for): Always return integer type.
2994 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2995 Richard Guenther <rguenther@suse.de>
2997 PR rtl-optimization/24257
2998 * gcse.c (find_moveable_store): Only consider a store movable
2999 when the SET_SRC of the insn can be assigned to a register.
3001 2006-01-14 Ian Lance Taylor <ian@airs.com>
3003 * tree.c (tree_not_class_check_failed): New function.
3004 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3005 (tree_not_class_check_failed): Declare.
3007 2006-01-13 Ian Lance Taylor <ian@airs.com>
3009 * reload1.c (do_output_reload): Add assertion rejecting a
3012 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3014 * combine.c (struct reg_stat): Add new fields truncation_label and
3016 (record_value_for_reg): Reset truncated_to_mode.
3017 (record_truncated_value): New function.
3018 (check_promoted_subreg): Call it. Rename to check_conversions.
3019 (combine_instructions): Rename check_promoted_subreg to
3021 (reg_truncated_to_mode): New function.
3022 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3023 (gen_lowpart_or_truncate): New function.
3024 (force_to_mode): Use it instead of gen_lowpart.
3026 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3028 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3029 VAR is a tag, not its type tag.
3031 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3033 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3034 alternatives to match style of other entries.
3035 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3037 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3039 PR tree-optimization/25771
3040 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3043 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3046 * tree-inline.c (declare_return_variable): If the return variable
3047 was marked as a non gimple complex, set the return slot variable
3048 to be a non gimple comple variable.
3050 2006-01-13 Richard Guenther <rguenther@suse.de>
3052 * builtins.c (expand_builtin_sincos): New function.
3053 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3055 (expand_builtin): Expand sincos using expand_builtin_sincos.
3057 2006-01-12 DJ Delorie <dj@redhat.com>
3059 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3060 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3061 so that constant shifts can be split.
3062 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3063 (m32c_valid_pointer_mode): Make static.
3064 (shift_gen_func_for): New.
3065 (m32c_prepare_shift): Use it. Split large const shifts into
3067 * config/m32c/predicates.md (shiftcount_operand): Allow more
3069 (longshiftcount_operand): New.
3070 * doc/md.texi (Machine Constraints): Document In6.
3072 2006-01-13 Ben Elliston <bje@au.ibm.com>
3074 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3075 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3078 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3080 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3081 to try to avoid clobbering pieces of structures when we know
3082 something about the whole structure.
3083 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3085 2006-01-13 Ben Elliston <bje@au.ibm.com>
3087 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3088 return in memory, as this is no limitation is no longer present.
3090 2006-01-12 DJ Delorie <dj@redhat.com>
3092 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3093 mova with fb, and for fb+0 -> An.
3095 * config/m32c/mov.md (peephole2): Fix enabling logic.
3097 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3098 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3099 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3100 FINI_ARRAY_SECTION_ASM_OP): Define.
3102 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3104 (m32c_legitimize_reload_address): New logic to reload FB to An.
3105 (m32c_output_reg_push): Add newline.
3106 (m32c_output_reg_pop): Likewise.
3108 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3110 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3112 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3114 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3116 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3118 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3121 2006-01-11 Ben Elliston <bje@au.ibm.com>
3123 * rtlanal.c (find_reg_note): Assert insn is not null.
3125 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3127 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3130 2006-01-11 Jeff Law <law@redhat.com>
3132 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3134 (mark_threaded_blocks, register_jump_thread): New functions.
3135 (thread_through_all_blocks): Remove unwanted argument. No
3136 longer rely on e->aux to communicate thread target info.
3137 Call mark_threaded_blocks. Release the threaded_blocks
3138 bitmap and threaded_edges vector when complete.
3139 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3140 (threaded_blocks): Remove.
3141 (tree_ssa_dominator_optimize): Remove initialization and
3142 finalization of threaded_blocks. Simplify call to
3143 thread_through_all_blocks.
3144 (thread_across_edge): Call register_jump_thread rather than
3145 storing thread information into e->aux.
3146 (free_all_edge_infos): Simplify now that e->aux is no longer
3147 used to communicate with thread_through_all_blocks.
3148 * tree-flow.h (thread_through_all_blocks): Update prototype.
3149 (register_jump_thread): Prototype.
3151 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3153 * df-core.c (df_compact_blocks, df_bb_replace): Use
3154 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3156 2006-01-11 Richard Guenther <rguenther@suse.de>
3158 PR tree-optimization/25734
3159 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3160 stop propagation after successful propagation to the LHS.
3162 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3164 * basic-block.h (control_flow_graph): Change the type of
3165 x_basic_block_info to VEC(basic_block,gc) *.
3166 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3168 (SET_BASIC_BLOCK): New.
3169 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3170 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3171 * cfgbuild.c (find_basic_blocks): Likewise.
3172 * cfglayout.c (fixup_reorder_chain): Likewise.
3173 * cfgrtl.c (create_basic_block_structure,
3174 rtl_create_basic_block): Likewise.
3175 * ifcvt.c (find_if_case_1): Likewise.
3176 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3179 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3181 * Makefile.in: Removed rotted odf.c entry.
3183 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3186 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3187 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3188 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3189 output pattern modifier, not %e.
3190 * config/cris/cris.c (cris_op_str): Update comment about pattern
3192 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3193 before falling through into...
3194 <case 'E'>: Redefined from old 'e' case.
3196 2006-01-11 Jan Hubicka <jh@suse.cz>
3199 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3201 2006-01-11 Jan Hubicka <jh@suse.cz>
3203 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3204 * i386.c (x86_decompose_lea): Kill.
3205 (ix86_rtx_costs): Kill.
3207 2006-01-11 Jan Hubicka <jh@suse.cz>
3209 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3210 * cgraph.h (cgraph_node): Add inline_decl.
3211 (cgraph_insert_node_to_hashtable): Declare.
3212 (save_inline_function_body): Declare.
3213 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3215 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3216 (cgraph_function_versioning): Update call of tree_function_versioning.
3217 (save_inline_function_body): New function.
3218 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3219 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3220 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3221 (cgraph_default_inline_p): Likewise.
3222 (cgraph_decide_inlining_incrementally): Likewise.
3223 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3224 (copy_bb): Kill saving; do updating of clones.
3225 (copy_cfg_body): Kill saving.
3226 (initialize_inlined-parameters): Likewise.
3227 (expand_call_inline): Likewise.
3229 (tree_function_versioning): New parameter "update_clones".
3230 (inlining_p): Kill saving.
3231 * tree-inline.h (tree_function_versioning): Update prototype.
3232 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3235 2006-01-11 Ian Lance Taylor <ian@airs.com>
3237 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3238 Allow undoing set of machine mode.
3239 (do_SUBST): Use enums instead of is_int.
3240 (do_SUBST_MODE): New function.
3241 (SUBST_MODE): New macro.
3242 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3243 reg and trying to replace reg_regno_rtx with a new register.
3244 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3245 (simplify_set): Use SUBST_MODE.
3246 (distribute_notes): Remove code that tried to update reg notes
3247 for regno_reg_rtx changes.
3249 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3251 PR tree-optimization/23109
3252 PR tree-optimization/23948
3253 PR tree-optimization/24123
3255 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3256 * tree-cfg.c (single_noncomplex_succ): New.
3257 * tree-flow.h (single_noncomplex_succ): Declare it.
3258 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3259 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3260 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3261 insert_bb, register_division_in, insert_reciprocals,
3262 replace_reciprocal, free_bb): New.
3263 (execute_cse_reciprocals_1): Rewritten.
3264 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3265 Do not commit any edge insertion. Always compute dominators and
3266 create the allocation pool.
3267 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3268 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3269 * targhooks.c (default_min_divistions_for_recip_mul): New.
3270 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3271 * passes.c (init_optimization_passes): Run recip after tree loop
3273 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3275 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3276 Kenneth Zadeck <zadeck@naturalbridge.com>
3278 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3279 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3280 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3281 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3282 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3283 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3284 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3285 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3286 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3287 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3288 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3289 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3290 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3291 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3292 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3293 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3294 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3295 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3296 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3297 DF_SCAN_POST_ALLOC): New macros.
3298 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3299 df_free_bb_function, df_local_compute_function, df_init_function,
3300 df_dataflow_function, df_confluence_function_0,
3301 df_confluence_function_n, df_transfer_function,
3302 df_finalizer_function, df_free_function, df_dump_problem_function,
3303 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3304 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3305 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3306 df_urec_bb_info, ) New types.
3307 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3309 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3310 df_analyze_simple_change_some_blocks,
3311 df_analyze_simple_change_one_block, df_compact_blocks,
3312 df_bb_replace, df_bb_regno_last_use_find,
3313 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3314 df_insn_regno_def_p, df_find_def, df_find_use,
3315 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3316 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3317 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3318 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3319 debug_df_chain, df_get_dependent_problem, df_chain_create,
3320 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3321 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3322 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3323 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3324 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3325 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3326 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3327 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3328 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3329 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3330 df_reorganize_refs, df_set_state, df_hard_reg_init,
3331 df_read_modify_subreg_p) New public functions.
3332 * df-core.c: The core dataflow solver and glue routines for rtl
3334 (df_init, df_add_problem, df_set_blocks, df_finish,
3335 df_hybrid_search_forward, df_hybrid_search_backward,
3336 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3337 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3338 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3339 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3340 df_reg_defined, df_find_use, df_reg_used, df_dump,
3341 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3342 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3343 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3344 debug_df_useno, reset_df_after_reload): New functions.
3345 * df-scan.c: The scanning fuctions, once in df.c, completely
3346 rewritten so that they now fully model the functionality of
3347 register usage at the backend.
3348 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3349 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3350 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3351 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3352 df_get_artificial_defs, df_get_artificial_uses,
3353 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3354 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3355 df_refs_delete, df_reorganize_refs, df_set_state,
3356 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3357 df_def_record_1, df_defs_record, df_uses_record,
3358 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3359 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3360 df_record_exit_block_uses, df_hard_reg_init): New functions.
3362 * df-problems.c: Seven concrete dataflow problems that use the
3363 scanning in df-scan.c and are solved by the engine in df-core.c.
3364 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3365 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3366 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3367 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3368 df_ru_free_bb_info, df_ru_alloc,
3369 df_ru_bb_local_compute_process_def,
3370 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3371 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3372 df_ru_transfer_function, df_ru_free, df_ru_dump,
3373 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3374 df_rd_free_bb_info, df_rd_alloc,
3375 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3376 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3377 df_rd_transfer_function, df_rd_free, df_rd_dump,
3378 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3379 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3380 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3381 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3382 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3383 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3384 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3385 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3386 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3387 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3388 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3389 df_urec_mark_reg_use_for_earlyclobber,
3390 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3391 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3392 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3393 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3394 df_chain_create_bb_process_use, df_chain_create_bb,
3395 df_chain_finalize, df_chain_free, df_chains_dump,
3396 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3397 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3398 df_reg_lifetime): New functions.
3399 * df.c: Deleted file.
3400 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3401 consistent with new df api.
3402 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3403 rest_of_handle_sms): Ditto.
3404 * web.c (unionfind_union, union_defs, entry_register, web_main):
3406 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3407 invariant_expr_equal_p, find_defs, check_dependencies,
3408 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3409 free_inv_motion_data, move_loop_invariants): Ditto.
3410 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3411 Update dependencies.
3412 (odf.c): Added defective entry that was deleted later in day.
3413 * sched-deps.c (sched_analyze_1): Ditto.
3415 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3417 * tree-ssa-operands.c (get_expr_operands): Record addressable
3418 variables directly. Do not call add_stmt_operands for CONST_DECLs
3420 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3421 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3423 2006-01-11 Ben Elliston <bje@au.ibm.com>
3425 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3426 function returns true in the positive case.
3428 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3431 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3432 for SI, DI, SF and DF modes. Add alternatives to copy between
3433 general and floating point registers to the 32-bit patterns.
3434 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3435 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3436 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3437 generating 64-bit code.
3438 * config/pa/pa.c (output_move_double): Handle copies between general
3439 and floating registers.
3441 2006-01-10 Stuart Hastings <stuart@apple.com>
3443 * config/i386/i386.md (set_got): Update.
3444 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3445 (builtin_setjmp_receiver): Mach-O support.
3446 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3447 (GOT_SYMBOL_NAME): Define.
3448 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3449 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3450 * config/i386/i386.c (override_options): Revise for Darwin.
3451 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3452 support. (darwin_x86_file_end): New. (output_set_got): Add label
3453 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3454 * config/i386/i386-protos.h (output_set_got): Likewise.
3455 * config/darwin.c (machopic_legitimize_pic_address): Update
3458 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3460 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3461 when MODE isn't BLKmode.
3463 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3465 PR rtl-optimization/25367
3466 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3468 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3471 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3472 for a negative bound.
3474 2006-01-10 Richard Guenther <rguenther@suse.de>
3476 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3477 Never override with anything constraint.
3479 2006-01-10 Jan Beulich <jbeulich@novell.com>
3481 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3482 256 bits when optimize_size.
3484 2006-01-10 Jan Beulich <jbeulich@novell.com>
3486 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3488 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3489 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3492 2006-01-10 Ben Elliston <bje@au.ibm.com>
3494 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3496 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3497 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3498 (USE_FP_FOR_ARG): Reject decimal float modes.
3499 (function_arg_advance): Likewise.
3500 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3501 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3502 point types in AltiVec vectors.
3503 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3504 (rs6000_libcall_value): Likewise.
3506 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3508 * config/xtensa/ieee754-df.S: New file.
3509 * config/xtensa/ieee754-sf.S: New file.
3510 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3511 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3512 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3514 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3516 * config/sh/predicates.md (binary_float_operator,
3517 binary_logical_operator, commutative_float_operator,
3518 equality_comparison_operator, greater_comparison_operator,
3519 less_comparison_operator, logical_operator,
3520 noncommutative_float_operator, shift_operator,
3521 symbol_ref_operand, unary_float_operator): Remove redundant
3524 2006-01-09 Jeff Law <law@redhat.com>
3526 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3527 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3528 now unused arguments. Callers updated.
3529 (eliminate_redundant_computations): Remove now unused arguments,
3531 (local_fold): Remove, no longer used.
3532 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3534 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3535 (simplify_cond): New function.
3536 (forward_propagate_into_cond): Call simplify_cond.
3538 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3540 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3541 (*vec_extractv2di_1_sse): New.
3543 2006-01-09 Ben Elliston <bje@au.ibm.com>
3545 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3547 2006-01-08 Richard Guenther <rguenther@suse.de>
3549 * tree-ssa-structalias.c (get_constraint_for): Remove
3551 (get_constraint_for_component_ref): Likewise.
3552 (do_deref): Likewise.
3553 (get_constraint_for): Likewise.
3554 (do_structure_copy): Likewise.
3555 (handle_ptr_arith): Likewise.
3556 (find_func_aliases): Likewise. Remove unused need_anyoffset
3559 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3560 Kaz Kojima <kkojima@gcc.gnu.org>
3562 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3563 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3564 (EXTRA_CONSTRAINT_C16): Remove.
3565 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3566 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3567 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3568 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3569 constants of SHmedia. Handle nested constant expressions of
3571 (andcosts): Fix the costs for SHmedia constants.
3572 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3573 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3574 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3575 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3576 (movv4hi_i, movv2si_i): Likewise.
3577 (movsi_const): Adjust the second operand of ior so to match with
3579 (movdi_const, movdi_const_32bit): Likewise.
3580 (movdi_const_16bit+1): Don't sign-extend LOW.
3581 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3583 (*double_shori): Fix the split condition. Use GEN_INT instead
3584 of get_int_mode calls. Mask lower 16-bit of the argument of
3586 (sym2GOTPLT): Remove.
3587 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3589 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3590 instead of EXTRA_CONSTRAINT_C16.
3592 2006-01-07 Ian Lance Taylor <ian@airs.com>
3593 David Edelsohn <edelsohn@gnu.org>
3595 PR rtl-optimization/25662
3596 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3597 for constant operands instead of simplify_gen_binary.
3598 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3599 after trying simplify_binary_operation
3601 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3603 * tree.c (iterative_hash_expr): Hash decls based on UID.
3605 2006-01-06 Eric Christopher <echristo@apple.com>
3607 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3608 (TARGET_UNWIND_EMIT): Fix spelling.
3609 * target.h (gcc_target): Add except_table_label.
3610 * except.c (output_function_exception_table): Use.
3611 * varasm.c (default_emit_except_table_label): New.
3612 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3614 (asm_out): Add here.
3615 * output.h (default_emit_except_table_label): Prototype.
3616 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3617 * config/darwin.c (darwin_emit_except_table_label): Define.
3618 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3620 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3622 PR tree-optimization/18527
3623 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3624 number_of_iterations_special, number_of_iterations_exit):
3625 Move base and step of an iv to a single structure. Add
3626 no_overflow flag, and use it in # of iterations analysis.
3627 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3628 folded_casts argument.
3629 (simple_iv): Pass base and step in a structure. Set no_overflow
3631 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3632 Evaluate expensiveness of computing # of iterations instead of
3633 the final expression.
3634 * tree-scalar-evolution.h (affine_iv): New structure.
3635 (simple_iv): Declaration changed.
3636 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3637 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3638 find_givs_in_stmt): Changed due to simple_iv change.
3640 2006-01-06 Jeff Law <law@redhat.com>
3643 * tree-cfg.c (bsi_replace): Rename final argument from
3644 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3645 change (stmt -> orig_stmt).
3646 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3647 (bsi_remove): Add new argument. Remove EH information
3649 (verify_eh_throw_table_statements): New function.
3650 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3652 * tree-optimize.c (execute_free_cfg_annotations): Verify
3653 the EH throw statement table after removing annotations.
3654 * except.h (verify_eh_throw_table_statements): Prototype.
3655 * tree-flow.h (bsi_remove): Update prototype.
3656 * tree-vrp.c (remove_range_assertions): Add new argument to
3658 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3659 * tree-complex.c (expand_complex_div_wide): Likewise.
3660 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3661 * tree-tailcall.c (eliminate_tailcall): Likewise.
3662 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3663 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3664 * tree-nrv.c (tree_nrv): Likewise.
3665 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3666 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3667 (combine_blocks): Likewise.
3668 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3669 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3670 (cleanup_control_flow): Likewise.
3671 (remove_forwarder_block): Likewise.
3672 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3673 * tree-sra.c (sra_replace): Likewise.
3674 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3675 (forward_propagate_single_use_vars): Likewise.
3676 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3677 * tree-inline.c (expand_call_inline): Likewise.
3678 * tree-vect-transform.c (vect_transform_loop): Likewise.
3679 * tree-outof-ssa.c (rewrite_trees): Likewise.
3680 * tree-cfg.c (make_goto_expr_edges): Likewise.
3681 (cleanup_dead_labels): Likewise.
3682 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3683 (bsi_move_before, bsi_move_after): Likewise.
3684 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3685 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3687 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3690 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3692 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3693 on non gimple variables. Also add checks at the top for decls and
3695 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3697 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3698 and IMAGPART_EXPR for creating MUST_DEFs.
3699 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3700 and NAME_MEMORY_TAG separately from the DECLs.
3702 2006-01-06 Richard Guenther <rguenther@suse.de>
3704 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3705 annotation, if necessary.
3706 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3707 redundant calls to update_stmt.
3708 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3711 2006-01-05 Richard Henderson <rth@redhat.com>
3713 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3715 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3717 * c-typeck.c: Update copyright date.
3719 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3721 * c-typeck.c (build_c_cast): Always warn when casting
3722 from a pointer to an integer of different size, even if
3723 the node was constant.
3725 2006-01-05 Richard Guenther <rguenther@suse.de>
3727 PR tree-optimization/22555
3728 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3729 if one structure field is an array.
3730 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3731 operands even if we found a subvar, but ignore VOPs in this
3733 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3735 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3737 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3740 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3742 2006-01-05 Richard Guenther <rguenther@suse.de>
3743 Diego Novillo <dnovillo@redhat.com>
3745 * tree-pass.h (TODO_remove_unused_locals): Define.
3746 * gimple-low.c (expand_var_p, remove_useless_vars,
3747 pass_remove_useless_vars): Remove. Update all users.
3748 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3749 (remove_unused_locals): New function.
3750 * tree-flow.h (remove_unused_locals): Declare.
3751 * passes.c (execute_todo): Call remove_unused_locals if
3752 TODO_remove_unused_locals is set.
3753 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3754 * tree-ssa-dce.c (pass_dce): Likewise.
3755 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3757 2006-01-05 Richard Guenther <rguenther@suse.de>
3759 * tree-flow.h (struct fieldoff): Decompose field to
3760 type, size and decl.
3761 * tree-ssa-alias.c (create_sft): Take type as parameter.
3762 (create_overlap_variables_for): Store type, size and decl
3763 in the fieldoff structure.
3764 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3766 (push_fields_onto_fieldstack): Likewise.
3767 (create_variable_info_for): Likewise. Use offset for the
3768 SFT name if the decl is not available.
3770 2006-01-04 Paul Brook <paul@codesourcery.com>
3772 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3774 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3776 * lambda-code.c (can_put_in_inner_loop): Relax
3778 (can_put_after_inner_loop): New function.
3779 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3780 (perfect_nestify): Change to make copies and modify uses.
3782 2006-01-04 Richard Henderson <rth@redhat.com>
3784 Merge from gomp branch:
3785 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3786 via integer constant.
3787 (pragma_lex): Remove.
3788 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3789 rather than parsing it.
3790 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3791 handle_pragma_extern_prefix): Add %< %> quotes.
3792 (registered_pragmas): New.
3793 (c_register_pragma_1): New.
3794 (c_register_pragma): Use it.
3795 (c_register_pragma_with_expansion): Likewise.
3796 (c_invoke_pragma_handler): New.
3797 (init_pragma): Use cpp_register_deferred_pragma directly for
3799 * c-pragma.h (enum pragma_kind): New.
3800 (pragma_handler): New.
3801 (c_invoke_pragma_handler): Declare.
3802 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3804 * c-common.h (c_common_pch_pragma): Update decl.
3805 * Makefile.in (c-parser.o): Update dependencies.
3806 (GTFILES): Add c-pragma.h.
3807 * c-parser.c (struct c_token): Add pragma_kind.
3808 (struct c_parser): Add in_pragma.
3809 (c_lex_one_token): Always initialize keyword and pragma_kind.
3810 Extract data for CPP_PRAGMA.
3811 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3812 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3813 Don't allow CPP_PRAGMA_EOL if in_pragma.
3814 (c_parser_consume_pragma): New.
3815 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3816 (c_parser_skip_to_end_of_parameter): Likewise.
3817 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3818 (c_parser_skip_to_pragma_eol): New.
3819 (c_parser_external_declaration): Handle CPP_PRAGMA.
3820 (c_parser_compound_statement_nostart): Likewise.
3821 (c_parser_statement_after_labels): Likewise.
3822 (c_parser_pragma): New.
3823 (pragma_lex): Likewise.
3824 (c_parser_pragma_pch_preprocess): New.
3825 (c_parser_new): Merge into ...
3826 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3828 2006-01-04 Jeff Law <law@redhat.com>
3831 * tree-cfg.c (bsi_replace): Remove the original statement
3832 from the EH throw statement table.
3834 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3836 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3837 make the prototype extern "C" and add throw ().
3840 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3841 and pos non-negative and pos + len <= 32.
3842 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3843 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3844 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3847 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3848 as well as sizes not multiple of component size.
3851 * function.c (instantiate_expr): New function.
3852 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3853 walk its DECL_VALUE_EXPR with instantiate_expr.
3855 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3856 DW_OP_deref{,_size} if address isn't going to be added.
3858 2006-01-04 Ben Elliston <bje@au.ibm.com>
3860 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3861 * config/fp-bit.c: Likewise.
3863 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3865 * dominance.c: Add comment about why we use DFS numbering
3868 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3869 Richard Henderson <rth@redhat.com>
3871 Merge from gomp-branch:
3872 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3873 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3875 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3877 PR rtl-optimization/25578
3878 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3879 pass a parameter to simplify_shift_const if changing ASHIFTRT
3882 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3884 * builtins.c (get_builtin_sync_mem): New function.
3885 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3886 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3887 Call get_builtin_sync_mem to generate mem rtx.
3889 2006-01-03 Richard Guenther <rguenther@suse.de>
3892 * stmt.c (add_case_node): Make sure to clear overflow flags
3895 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3897 Merge from gomp-branch.
3898 * config/sparc/sync.md: New file.
3899 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3900 UNSPECV_LDSTUB): New constants.
3901 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3902 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3903 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3906 2006-01-03 Roger Sayle <roger@eyesopen.com>
3908 * combine.c (reg_subword_p): New predicate to test whether the
3909 destination of a set refers to a subword/piece of a register.
3910 (try_combine): Generalize the code to merge the setting of a
3911 pseudo to a constant followed by a set of a subword of that
3912 register to a constant.
3914 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3916 * basic-block.h (control_flow_graph): Change the type of
3917 x_label_to_block_map to VEC(basic_block,gc) *.
3918 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3919 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3921 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3922 VEC(basic_block,heap) *.
3923 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3924 ssa_prop_fini): Adjust the uses of cfg_blocks.
3926 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3928 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3930 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3931 hashing trees instead of a pointer hash.
3932 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3933 compare for MEM_EXPR.
3935 PR rtl-optimization/25130
3936 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3937 when comparing MEMs for GCSE
3939 2006-01-03 Ben Elliston <bje@au.ibm.com>
3941 * targhooks.h (default_decimal_float_supported_p): Declare.
3942 * targhooks.c (default_decimal_float_supported_p): Define.
3943 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3944 `default_decimal_float_supported_p'.
3945 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3947 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3949 * combine.c (apply_distributive_law <SUBREG>): Check
3950 TRULY_NOOP_TRUNCATION.
3952 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3954 * dwarf2out.c (have_switched_text_section): Delete.
3955 (have_multiple_function_sections): New.
3956 (have_location_lists): Make 'bool'.
3957 (add_AT_loc_list): Use 'true' not '1'.
3958 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3959 (output_loc_list): Use have_multiple_function_sections.
3960 (output_ranges): Likewise.
3961 (dwarf2out_begin_function): Set have_multiple_function_sections if
3963 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3964 Check function_section rather than DECL_SECTION_NAME.
3965 (dwarf2out_finish): Use have_multiple_function_sections.
3966 Don't clear have_location_lists.
3968 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3969 Jan Hubicka <jh@suse.cz>
3971 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3972 case of conditional jump jumping to the next instruction.
3973 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3974 cases of conditional jump jumping to the next instruction.
3976 2006-01-02 Jan Hubicka <jh@suse.cz>
3978 * i386.c (*_cost): Add COSTS_N_INSNS.
3979 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3981 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3984 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3986 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3988 * config/arm/arm.c (all_fpus): Fix comment typo.
3989 * config/darwin.c: Likewise.
3990 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3991 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3992 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3994 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3996 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3997 (rs6000_split_compare_and_swapqhi): New.
3998 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3999 (sync_compare_and_swapqhi_internal): New.
4000 * config/rs6000/rs6000-protos.h: Declare.