1 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4 * config/ia64/ia64.c: Include debug.h.
5 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8 (process_epilogue, process_set, process_for_unwind_directive):
9 Output unwind info only if requested. Add CFA info if requested.
10 Add new arguments as needed. Adjust callers.
11 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13 (DWARF2_FRAME_INFO): Define to zero.
14 * config/ia64/unwind-ia64.c: Remove code that compensated for
15 the CFA offset error fixed above.
16 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19 -funwind-tables and -fexceptions to enable frame info.
20 (dwarf2out_frame_init): Define initial CFA even if
21 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
22 DWARF2_UNWIND_INFO is nonzero, not just defined.
23 (dwarf2out_frame_finish): Output non-EH call frame info only
24 if DWARF2_FRAME_INFO is nonzero.
25 (convert_cfa_to_loc_list,
26 compute_frame_pointer_to_cfa_displacement): Define even if
27 unwind info is not supported.
28 (gen_subprogram_die): Use the above unconditionally. Remove
29 legacy alternate code.
30 * toplev.c (compile_file): Compile in call to
31 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
32 (lang_dependent_init): Ditto for dwarf2out_frame_init.
34 2006-02-04 David Edelsohn <edelsohn@gnu.org>
35 Jakub Jelinek <jakub@redhat.com>
37 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
38 IBM extended float format long double as "g" on powerpc*-linux.
40 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
43 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
44 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
46 2006-02-03 Jason Merrill <jason@redhat.com>
49 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
52 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
53 on the return slot if it's an NRV.
55 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
57 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
58 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
59 rewrite_use): Do not handle USE_OUTER.
60 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
61 add_iv_outer_candidates, may_replace_final_value,
62 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
63 (find_interesting_uses_op): Functionality of
64 find_interesting_uses_outer_or_nonlin moved here.
65 (find_interesting_uses_outside): Use find_interesting_uses_op.
67 2006-02-03 Alan Modra <amodra@bigpond.net.au>
70 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
72 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
73 Ulrich Weigand <uweigand@de.ibm.com>
76 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
77 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
78 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
79 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
81 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
82 (s390_rtx_costs): Use the new fields to calculate rtx costs.
83 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
84 Define secondary reloads for TFmode moves.
85 (constant_modes): Add TFmode.
86 (NR_C_MODES): Set to 8.
87 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
89 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
90 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
91 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
92 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
93 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
94 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
95 (FPR mode macro): Add TFmode.
96 (DSF mode macro): New.
97 (<de>, <dee> mode attributes): Removed.
98 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
99 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
100 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
101 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
102 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
103 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
104 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
105 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
106 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
107 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
108 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
109 "*negabs<mode>2", "sqrt<mode>2"):
110 Changed <de> to <xde>. R constraint replaced by <Rf>.
111 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
113 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
114 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
115 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
117 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
118 "extenddftf2", "extendsftf2"): New expanders.
119 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
120 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
121 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
122 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
124 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
125 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
126 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
127 __floatditf): Add a GCC_4.1.0 symbol version tag.
128 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
131 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
134 * config/i386/i386.c (ix86_function_ok_for_sibcall):
135 Use targetm.binds_local_p instead of TREE_PUBLIC.
137 2006-02-02 Roger Sayle <roger@eyesopen.com>
139 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
140 on INTEGER_TYPEs to indicate that it denotes a character type.
141 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
142 signed_char_type_node, unsigned_char_type_node and char_type_node.
143 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
144 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
145 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
147 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
148 Daniel Berlin <dberlin@dberlin.org>
150 * tree-tailcall.c (arg_needs_copy_p): New function.
151 (eliminate_tail_call): Use arg_needs_copy_p.
152 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
153 (add_virtual_phis): New function.
155 2006-02-02 Jakub Jelinek <jakub@redhat.com>
157 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
158 #ignore instead of #scratch for %g7 .register directive.
160 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
162 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
165 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
167 * flow.c (calculate_global_regs_live): Assert that there aren't any
170 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
172 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
174 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
175 bsi_after_labels iterator.
176 * tree-if-conv.c (find_phi_replacement_condition,
177 replace_phi_with_cond_modify_expr): Likewise.
178 * tree-scalar-evolution.c (scev_const_prop): Likewise.
179 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
181 2006-02-02 Diego Novillo <dnovillo@redhat.com>
183 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
185 2006-02-02 Diego Novillo <dnovillo@redhat.com>
188 * tree-cfg.c (move_block_to_fn): Clear out the basic block
189 array after growing it.
191 2006-02-01 Steve Ellcey <sje@cup.hp.com>
194 * fold-const.c (fold_checksum_tree): Change type of buf.
196 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
198 * reload.c (push_secondary_reload): Initialize t_icode.
200 2006-02-01 Jakub Jelinek <jakub@redhat.com>
202 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
203 -msoft-float -mlong-double-128 only issue a warning, but don't
204 swich to DFmode long double.
206 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
208 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
209 has a constant equivalent, iterate over equivalents for arg0,
210 calling simplify_relational_operation and if there's a result
211 cheaper than X, apply fold_rtx and return the result.
213 2006-02-01 Jan Hubicka <jh@suse.cz>
215 * opts.c (no_unit_at_a_time_default): New global variable.
216 (decode_options): Use it.
217 * opts.h (no_unit_at_a_time_default): Declare.
219 2006-02-01 Paul Brook <paul@codesourcery.com>
221 * function.c (assign_parm_setup_reg): Use function argument promotion
223 * expr.c (expand_expr_real_1): Use function argument promotion rules
226 2006-02-01 Steve Ellcey <sje@cup.hp.com>
228 * gcc.c (process_command): Change j to 'unsigned int'.
230 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
233 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
234 Use the corrected index for the character
235 out of the string constant.
237 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
239 * mode-switching.c (optimize_mode_switching): Fix size
240 allocated for bb_info[n_entities].
242 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
244 * gcc.c (main): Correct type that is allocated for
247 2006-01-31 Jakub Jelinek <jakub@redhat.com>
249 * config/s390/s390.c (init_alignment_context): Set
250 ALIAS_SET_MEMORY_BARRIER on the MEM.
251 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
253 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
256 * loop-unroll.c (unroll_loop_runtime_iterations): Free
258 * tree-ssa-live.c (type_var_init): Allocate bitmap after
261 2006-01-31 Marcin Dalecki <martin@dalecki.de>
263 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
264 * regrename.c: Ditto.
265 * tree-ssa-loop-im.c: Ditto.
266 * tree-dump.c: Ditto.
267 * tree-complex.c: Ditto.
269 * tree-ssa-threadupdate.c: Ditto.
271 * java/class.c: Ditto.
272 * java/jcf-parse.c: Ditto.
273 * java/resource.c: Ditto.
274 * java/except.c: Ditto.
275 * java/jvspec.c: Ditto.
276 * java/jcf-write.c: Ditto.
277 * java/jcf-path.c: Ditto.
278 * java/gjavah.c: Ditto.
279 * java/zextract.c: Ditto.
280 * java/jcf-io.c: Ditto.
282 * java/buffer.c: Ditto.
283 * java/lang.c: Ditto.
284 * java/parse-scan.y: Ditto.
287 * cfgloopmanip.c: Ditto.
288 * postreload-gcse.c: Ditto.
289 * tree-ssa-loop-manip.c: Ditto.
290 * postreload.c: Ditto.
291 * tree-ssa-loop-ch.c: Ditto.
295 * diagnostic.c: Ditto.
297 * genoutput.c: Ditto.
300 * cfgloopanal.c: Ditto.
301 * objc/objc-act.c: Ditto.
303 * genextract.c: Ditto.
304 * genautomata.c: Ditto.
305 * pretty-print.c: Ditto.
307 * cgraphunit.c: Ditto.
310 * haifa-sched.c: Ditto.
311 * dominance.c: Ditto.
313 * tree-ssa-loop-ivopts.c: Ditto.
315 * mode-switching.c: Ditto.
316 * modulo-sched.c: Ditto.
318 * ipa-pure-const.c: Ditto.
320 * fix-header.c: Ditto.
322 * tree-stdarg.c: Ditto.
323 * ipa-utils.c: Ditto.
324 * loop-init.c: Ditto.
325 * ipa-inline.c: Ditto.
328 * alloc-pool.c: Ditto.
329 * dwarf2out.c: Ditto.
331 * genattrtab.c: Ditto.
332 * tree-ssa-loop-ivcanon.c: Ditto.
336 * fortran/gfortranspec.c: Ditto.
338 * local-alloc.c: Ditto.
339 * langhooks.c: Ditto.
341 * tree-vectorizer.c: Ditto.
343 * ipa-type-escape.c: Ditto.
345 * tree-if-conv.c: Ditto.
348 * tree-data-ref.c: Ditto.
349 * loop-unroll.c: Ditto.
350 * treelang/treetree.c: Ditto.
353 * ggc-common.c: Ditto.
357 * tree-cfgcleanup.c: Ditto.
358 * tree-ssa-pre.c: Ditto.
359 * cfgcleanup.c: Ditto.
360 * loop-invariant.c: Ditto.
363 * print-tree.c: Ditto.
366 * sched-deps.c: Ditto.
368 * tree-object-size.c: Ditto.
370 * bb-reorder.c: Ditto.
372 * var-tracking.c: Ditto.
374 * df-problems.c: Ditto.
375 * reg-stack.c: Ditto.
378 * sched-rgn.c: Ditto.
379 * tree-ssa-structalias.c: Ditto.
380 * tree-ssa-reassoc.c: Ditto.
381 * config/darwin-c.c: Ditto.
382 * config/darwin.c: Ditto.
383 * config/arm/arm.c: Ditto.
388 2006-01-31 Nicolas Pitre <nico@cam.org>
390 * arm.md (smaxsi3): Make aware of smax_m1.
393 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
395 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
397 2006-01-31 Richard Guenther <rguenther@suse.de>
399 * doc/invoke.texi (-msselibm): Document.
400 * target.h (expand_library_builtin): New target hook.
401 * builtins.c (expand_builtin): Use expand_library_builtin.
402 (default_expand_library_builtin): New function.
403 * gcc.c (LINK_GCC_MATH_SPEC): Define.
404 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
405 (link_gcc_math_spec): Declare.
406 (static_specs): Add link_gcc_math_spec.
407 * expr.h (default_expand_library_builtin): Declare.
408 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
409 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
410 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
411 * config/i386/i386.opt (msselibm): New target option.
412 * config/i386/i386.c (ix86_builtin_function_variants): New array.
413 (ix86_init_sse_abi_builtins): New function.
414 (ix86_expand_library_builtin): Likewise.
415 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
416 (override_options): Handle error conditions wrt -msselibm.
417 (ix86_builtins): Add function codes for SSE2 ABI builtins.
418 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
419 * doc/extend.texi (__builtin_sse2_*): Document new target specific
422 2006-01-31 Richard Guenther <rguenther@suse.de>
423 Paolo Bonzini <bonzini@gnu.org>
425 * doc/install.texi (--disable-libgcc-math): Document.
427 2006-01-30 Marcin Dalecki <martin@dalecki.de>
429 * expr.h (expand_normal): new inline function.
430 * builtins.c: use it, use EXPAND_NORMAL explicitely.
432 * dwarf2out.c: use it.
437 * config/sparc/sparc.c: use it.
438 * config/i386/i386.c: use it.
439 * config/rs6000/rs6000.c: use it.
440 * config/arm/arm.c: use it.
441 * config/mips/mips.c: use it.
442 * stmt.c: use it, use EXPAND_NORMAL explicitely.
444 2006-01-30 Roger Sayle <roger@eyesopen.com>
446 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
447 argv to the appropriate type.
449 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
451 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
454 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
457 * config/s390/s390.c (struct machine_function): New flag
458 decomposed_literal_pool_addresses_ok_p.
459 (s390_reorg): Set it before final stage of literal pool transforms.
460 (s390_decompose_address): Only accept displacements of the form
461 (minus (label_ref ...) (label_ref ...)) if that flag is set.
463 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
465 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
466 the comparison routine return.
468 2006-01-30 Michael Matz <matz@suse.de>
470 * global.c (find_reg): Only evict for global regs.
471 Take n_refs into account and dump more info.
473 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
476 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
477 (pragma_trap, pragma_nosave_low_regs): Likewise.
478 (current_function_anonymous_args): Likewise.
479 (sh_deferred_function_attributes): New variable.
480 (sh_deferred_function_attributes_tail): Likewise.
481 (print_operand): For '@', look up trap_exit attribute.
482 (calc_live_regs): Look up trapa_handler attribute. For trapa
483 handlers, save/restore fpscr, but don't do any other
484 interrupt-specific saves.
485 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
486 Fix check for partially saved registers to check for SHmedia.
487 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
488 (sh_output_function_epilogue): Don't clear any of the removed
490 (sh_insert_attributes): Don't check pragma_interrupt.
491 Insert deferred attributes. Check that interrupt attribute is
492 present for other attributes that require its presence.
493 (sh_attribute_table): Add new attributes trapa_handler and
495 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
496 Don't check for pragma_interrupt. Don't store argument.
497 * sh.h (pragma_interrupt, sp_switch): Don't declare.
498 (sh_deferred_function_attributes): Declare.
499 (sh_deferred_function_attributes_tail): Likewise.
500 * sh.md (sp_switch_1): Add operand. Change generator caller.
501 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
502 (*return_i): Don't use when trap_exit attribute is in effect.
503 (*return_trapa): New insn pattern.
505 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
506 setting c_target_objs and cxx_target_objs.
507 * t-sh: Add rule for sh-c.o.
509 2006-01-30 Richard Guenther <rguenther@suse.de>
512 * gimplify.c (gimplify_target_expr): Handle easy cases
513 without creating a temporary.
515 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
517 * vec.h (safe_grow): Remove duplicated line.
519 2006-01-29 Diego Novillo <dnovillo@redhat.com>
522 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
523 (expand_omp): ... here.
524 (expand_omp_parallel): Only remove barriers for combined
525 parallel+workshare constructs.
527 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
531 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
532 * tree.c (build_qualified_type): Chain the new type to the original
533 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
534 a POINTER_TYPE or a REFERENCE_TYPE respectively.
535 (build_pointer_type_for_mode): Only return unqualified types.
536 (build_reference_type_for_mode): Likewise.
538 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
540 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
541 * Makefile.in (CXX_COMPAT_WARN): Define.
542 * configure: Regenerate.
544 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
547 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
550 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
552 * toplev.c: Fix thinko.
554 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
555 Marcin Dalecki <martin@dalecki.de>
557 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
558 (push_srcloc): Use XNEW.
559 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
561 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
563 * df-core.c (df_set_blocks): Deleted all variable.
565 2006-01-28 Ian Lance Taylor <ian@airs.com>
567 * cgraphunit.c (cgraph_assemble_pending_functions): Call
568 cgraph_output_pending_asms.
570 2006-01-28 Zack Weinberg <zackw@panix.com>
572 * c.opt: Add -W(no-)overlength-strings.
573 * doc/invoke.texi: Document it.
574 * c-opts.c (c_common_handle_option): -pedantic implies
575 -Woverlength-strings, if not explicitly disabled already.
576 (c_common_post_options): -Woverlength-strings defaults to off, and
577 is always off for C++.
578 * c-common.c (fix_string_type): Issue warning about strings longer
579 than is portable only if warn_overlength_strings. Rearrange code
580 a little for clarity.
581 * configure.in: Check for -Wno-overlength-strings as well before
582 enabling -pedantic in stage 1.
583 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
584 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
586 * genconditions.c (write_header, write_one_condition)
587 (write_conditions, write_writer): Consolidate very long strings
588 that were broken up to fit in C89 portable limit. Don't use
589 printf when fputs will do.
591 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
593 * combine.c (simplify_comparison <AND>): Check
594 TRULY_NOOP_TRUNCATION before start using a subreg.
596 * config/mips/mips.md (*branch_zero<mode>,
597 *branch_zero<mode>_inverted, *branch_equality<mode>,
598 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
599 Remove mode check from comparisons.
601 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
603 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
605 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
607 * expmed.c (const_mult_add_overflow_p): Remove.
608 * expr.h: Remove the prototype for const_mult_add_overflow_p.
610 * recog.c (validate_replace_rtx_subexp): Remove.
611 * recog.h: Remove the prototype for
612 validate_replace_rtx_subexp.
614 * integrate.h: Remove the prototype for
615 copy_decl_for_inlining.
616 * rtl.h: Remove the prototype for mark_constant_function.
617 * tree-vectorizer.h: Remove the prototype for
618 vect_strip_conversion.
620 * modulo-sched.c (create_partial_schedule,
621 free_partial_schedule, reset_partial_schedule): Make them
624 * hooks.c (hook_bool_rtx_int_false): Remove.
625 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
627 2006-01-28 David Edelsohn <edelsohn@gnu.org>
629 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
630 and -mlong-double-128 are incompatible.
631 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
632 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
633 (TARGET_LIBGCC2_CFLAGS): Define.
634 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
635 (TARGET_LIBGCC2_CFLAGS): Same.
636 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
638 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
641 * c-typeck.c (build_binary_op): Perform implicit casts of
642 operands before shortening them.
644 * cfgloopmanip.c (split_loop_bb): Remove.
645 * cfgloop.h: Remove the prototype for split_loop_bb.
647 * cfgloop.c (flow_loop_outside_edge_p): Remove.
648 * cfgloop.h: Remove the prototype for
649 flow_loop_outside_edge_p.
651 * emit-rtl.c (init_virtual_regs): Make it static.
652 * function.h: Remove the prototype for init_virtual_regs.
654 * recog.c (peephole2_optimize): Make it static.
655 * recog.h: Remove the prototype for peephole2_optimize.
657 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
659 * df-scan.c (df_record_entry_block_defs): Check if
660 INCOMING_RETURN_ADDR_RTX is defined.
662 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
663 Kenneth Zadeck <zadeck@naturalbridge.com>
665 PR rtl-optimization/24762
666 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
667 * targhooks.c (hook_void_bitmap): New hook prototype.
668 * targhoohs.h (hook_void_bitmap): Ditto.
669 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
670 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
671 * target.h (live_on_entry): New function pointer.
672 * df-scan.c (df_all_hard_regs): Removed.
673 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
674 (df_scan_free_internal): Added df->entry_block_defs.
675 (df_scan_alloc): Ditto.
676 (df_scan_dump): Ditto.
677 (df_uses_record): Plumbed flag field properly thru calls.
678 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
679 This part fixes PR24762.
680 (df_bb_refs_record): Added code to make the frame and arg
681 pointers live in EH blocks.
682 (df_refs_record): Added call to df_record_entry_block_defs.
683 (df_record_entry_block_defs): New function.
684 * df-core.c: Added comments to describe new artifical defs.
685 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
686 (entry_block_defs): New field in struct df.
687 (df_all_hard_regs): Deleted.
688 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
689 * df-problems.c (df_ru_bb_local_compute_process_def):
690 Added code to handle artifical defs in the entry to a function.
691 (df_ru_bb_local_compute): Ditto.
692 (df_rd_bb_local_compute_process_def): Ditto.
693 (df_rd_bb_local_compute): Ditto.
694 (df_lr_bb_local_compute): Ditto.
695 (df_ur_bb_local_compute): Ditto.
696 (df_urec_bb_local_compute): Ditto.
697 (df_chain_create_bb): Ditto.
698 (df_ur_local_finalize): Removed entry.
699 (df_urec_init): Ditto.
700 (df_urec_local_finalize): Ditto.
701 (df_ri_bb_compute): Added detection of last use of pseudos.
702 * Makefile.in (df-scan.o): Updated dependencies.
703 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
704 * config/mips/mips.c (mips_set_live_on_entry): Added.
705 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
707 * dce.c (marked_insn_p): Added code to handle artifical defs.
709 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
711 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
713 (_mm_cvtsi128_si64): Likewise.
714 (_mm_cvtsd_si64): Likewise.
715 (_mm_cvttsd_si64): Likewise.
716 (_mm_cvtsi64_sd): Likewise.
717 (_mm_cvtsi64_si128): Likewise.
718 * config/i386/mmintrin.h (_m_from_int64): Likewise.
719 (_mm_cvtsi64_m64): Likewise.
720 (_m_to_int64): Likewise.
721 (_mm_cvtm64_si64): Likewise.
722 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
723 (_mm_cvttss_si64): Likewise.
724 (_mm_cvtsi64_ss): Likewise.
725 (_mm_cvtss_f32): Likewise.
727 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
729 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
730 for pragma redefine_extname.
732 2006-01-27 Jakub Jelinek <jakub@redhat.com>
735 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
736 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
737 -mno-minimal-toc to previous content.
738 (bispecs): Remove goal.
739 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
740 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
741 compatibility aliases on powerpc-*-*gnu*.
742 * config/rs6000/libgcc-ppc-glibc.ver: New file.
743 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
744 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
745 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
746 (ldblspecs): New goal.
747 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
748 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
750 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
751 L_sf_to_tf or L_df_to_tf is defined.
753 2006-01-27 David Edelsohn <edelsohn@gnu.org>
754 Alan Modra <amodra@bigpond.net.au>
757 * config/rs6000/linux.h (POWERPC_LINUX): Define.
758 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
759 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
760 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
761 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
762 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
763 (rs6000_override_options): Initialize rs6000_ieeequad.
764 Initialize TFmode format to ibm_extended_format if not
766 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
768 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
769 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
770 (function_arg_advance): IBM long double passed in two FPRs, not
772 (function_arg): IBM long double passed in FPRs.
773 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
774 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
775 Only multireg GPR aligned.
776 (rs6000_init_libfuncs): Enable IBM long double functions if not
778 (rs6000_generate_compare): Use IBM long double compare if not
780 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
781 (TARGET_IEEEQUAD): Define.
782 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
784 * config/rs6000/rs6000.md: Enable TFmode patterns if
786 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
787 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
788 and -mlong-double-128 are incompatible.
789 * doc/invoke.texi (-mabi): Collect options together. Add
790 ibmlongdouble and ieeelongdouble.
792 2006-01-27 Richard Sandiford <richard@codesourcery.com>
794 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
796 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
797 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
798 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
799 * rtl.h (rtunion_def): Remove rt_ptr.
801 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
802 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
803 * config/i386/winnt.c (i386_pe_mark_dllexport)
804 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
806 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
808 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
810 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
814 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
815 pthread_key_delete. From John David Anglin. gthrw-ify
816 pthread_getunique_np only if it it's not a macro. Delete
818 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
819 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
820 __gthread_objc_condition_signal, __gthread_key_delete): Add
821 "__attribute__ ((__unused__))" to unused arguments.
822 (__gthread_recursive_mutex_init_function): Add missing return.
823 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
824 gthr-posix95.h: Use macro-based approach for name redirection
825 on targets missing weakref.
827 2006-01-26 Zack Weinberg <zackw@panix.com>
829 * genconditions.c (write_header): In generated code, #ifdef out
830 all includes and fake declarations, except includes of bconfig.h
831 and system.h, unless GCC_VERSION >= 3001. Do not include
832 gensupport.h in any case.
833 (write_conditions): Generate a definition of struct c_test. Add
834 a comment to the generated #endif.
835 (write_one_condition): Escape backslashes in string too.
836 (write_writer): Generated code must escape backslashes and quote
837 marks (but not newlines) in the strings it writes.
838 * Makefile.in (build/gencondmd.o): Update dependencies.
840 2006-01-26 Steve Ellcey <sje@cup.hp.com>
843 * Makefile.in (insn-automata.o): Add header file dependencies.
844 * genautomata.c: Add includes.
846 2006-01-26 Steve Ellcey <sje@cup.hp.com>
849 * Makefile.in (insn-automata.o): Add -Wno-error flag.
851 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
853 * configure.ac: Expect target tools paths to be passed from the toplevel
854 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
856 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
858 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
861 * c.opt (Wpointer-sign): Init to -1.
862 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
863 OPT_pedantic, to 0 otherwise.
864 * doc/invoke.texi: Update.
866 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
868 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
869 constants provided by 80387 instructions in the destination mode.
871 2006-01-26 Richard Guenther <rguenther@suse.de>
872 Andrew Pinski <pinskia@physics.uc.edu>
875 partial PR tree-opt/17064
876 * tree-ssa-structalias.c (intra_create_variable_infos):
877 Create heap variables for incoming parameters if
878 flag_argument_noalias > 1.
879 (find_what_p_points_to): Look through default defs of
882 2006-01-26 Jeff Law <law@redhat.com>
885 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
886 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
887 within the VR_RANGE, use the VR_RANGE as the result, not the
889 (adjust_range_with_scev): Reject ranges from SCEV which are out
890 of bounds for the type.
892 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
894 * tree-ssa-alias.c (maybe_create_global_var): Change
895 subvar walking to an assertion that we don't have subvar'd variables.
897 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
900 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
901 Use a new variable, inner. PARM_DECLs are always non-weak.
903 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
905 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
908 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
910 * config/mips/mips.md (*clear_upper32): New combiner pattern.
912 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
914 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
915 (smax_insn, smin_insn, smax_0, smin_0): New.
917 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
920 * config/cris/cris.c (cris_order_for_addsi3): New function.
921 * config/cris/cris-protos.h: Prototype it.
922 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
923 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
924 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
925 (split for "op.S1 [rx=rx+i],ry (swapped)")
926 (split for "op(s|u).S1 [rx=rx+i],ry")
927 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
928 Apply cris_order_for_addsi3 when generating addsi3 insns.
930 2006-01-25 Diego Novillo <dnovillo@redhat.com>
932 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
933 (TREE_BLOCK): Add call to EXPR_CHECK.
935 2006-01-25 Diego Novillo <dnovillo@redhat.com>
938 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
939 * tree-pretty-print.c (dump_omp_clause): Extract from ...
940 (dump_omp_clauses): ... here.
941 (dump_generic_node): Handle OMP_CLAUSE.
942 * tree.c (omp_clause_num_ops): New.
943 (omp_clause_code_name): New.
944 (tree_code_size): Handle OMP_CLAUSE.
945 (tree_size): Likewise.
946 (make_node): Document handling of OMP_CLAUSE.
947 (tree_node_structure): Handle OMP_CLAUSE.
948 (omp_clause_check_failed): New.
949 (omp_clause_range_check_failed): New.
950 (omp_clause_operand_check_failed): New.
951 (build_omp_clause): New.
952 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
953 * tree.h (enum omp_clause_code): Declare.
954 (OMP_CLAUSE_SUBCODE_CHECK): Define.
955 (OMP_CLAUSE_RANGE_CHECK): Define.
956 (OMP_CLAUSE_ELT_CHECK): Define.
957 (omp_clause_check_failed): Declare.
958 (omp_clause_operand_check_failed): Declare.
959 (omp_clause_range_check_failed): Declare.
960 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
961 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
962 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
963 (OMP_CLAUSE_LASTPRIVATE): Likewise.
964 (OMP_CLAUSE_IF_EXPR): Likewise.
965 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
966 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
967 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
968 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
969 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
970 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
971 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
972 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
973 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
974 (OMP_CLAUSE_CODE): Define.
975 (OMP_CLAUSE_SET_CODE): Define.
976 (OMP_CLAUSE_CODE): Define.
977 (OMP_CLAUSE_OPERAND): Define.
978 (struct tree_omp_clause): Declare.
979 (union tree_node): Add field 'omp_clause'.
980 * treestruct.def (TS_OMP_CLAUSE): Define.
981 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
982 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
983 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
984 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
985 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
986 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
987 (OMP_CLAUSE): Define.
988 * print-tree.c (print_node): Handle OMP_CLAUSE.
989 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
990 * c-typeck.c: Likewise.
991 * gimplify.c: Likewise.
993 * tree-nested.c: Likewise.
994 * tree-inline.c: Likewise.
995 * c-parser.c: Likewise.
996 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
999 2006-01-25 Roger Sayle <roger@eyesopen.com>
1001 PR rtl-optimization/25703
1002 * combine.c (try_combine): Handle zero_extract and strict_low_part
1003 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1005 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1007 * global.c: Fix comment typos.
1009 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1012 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1013 Use output_addr_const instead of assemble_name.
1015 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1017 * Makefile.in (sched-vis.o): Update dependencies.
1018 * haifa-sched.c (sched_finish): Clear current_sched_info.
1019 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1020 (dump_flow_info): Call it.
1021 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1023 * basic-block.h (dump_bb_info): Declare.
1024 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1025 option, and apply options only for dump files whose TDF_RTL,
1026 TDF_TREE, or TDF_IPA bits match.
1027 * rtl.h: Declare new functions exported from sched-vis.c.
1028 * sched-vis.c: Enable also if scheduling is not used.
1029 (print_value): Print the mode of registers if not inside scheduling.
1030 (print_insn): Make it work outside the scheduler. Beautify the output
1032 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1034 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1036 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1037 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1038 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1039 depending on the value of CONSTANT_POOL_ADDRESS_P.
1040 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1042 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1043 rather than SYMBOL_REF_DECL.
1044 (rtx_constant_pool): Remove const_rtx_sym_htab.
1045 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1046 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1047 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1048 Remove handling of const_rtx_sym_htab.
1049 (find_pool_constant): Delete.
1050 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1051 rather than find_pool_constant.
1052 (get_pool_constant_for_function): Delete.
1053 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1055 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1056 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1057 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1058 (SYMBOL_REF_CONSTANT): New macro.
1059 (get_pool_constant_for_function): Delete.
1060 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1061 rather than SYMBOL_REF_DECL.
1062 (i386_pe_mark_dllimport): Likewise.
1063 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1064 rather than SYMBOL_REF_DECL.
1065 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1066 (machopic_indirect_call_target): Likewise.
1068 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1070 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1072 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1074 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1076 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1078 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1080 2006-01-24 David Daney <ddaney@avtrex.com>
1083 * configure.ac (enable_tls): New enable option.
1084 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1085 * configure: Regenerate.
1086 * doc/install.texi (--enable-tls): Document new option.
1087 (--disable-tls): Ditto.
1089 2006-01-24 Richard Henderson <rth@redehat.com>
1091 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1092 * alias.c (true_dependence): Respect it.
1093 (canon_true_dependence, write_dependence_p): Likewise.
1094 * builtins.c (get_builtin_sync_mem): Set it.
1096 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1098 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1101 2006-01-24 DJ Delorie <dj@redhat.com>
1103 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1104 for storing constants in single-bit bitfields.
1106 2006-01-25 Ben Elliston <bje@au.ibm.com>
1108 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1110 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1113 * tree-ssa-pre.c (phi_translate): Return NULL
1114 for AGGREGATE_TYPE's.
1116 2006-01-24 Zack Weinberg <zackw@panix.com>
1118 * genautomata.c (process_state_for_insn_equiv_partition):
1119 Use xcalloc for insn_arcs_array.
1120 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1121 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1123 2006-01-24 Richard Henderson <rth@redhat.com>
1125 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1128 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1130 PR rtl-optimization/25890
1131 PR rtl-optimization/25905
1132 * combine.c (expand_compound_operation, expand_field_assignment):
1133 Fail if the bitfield's final position is out of bounds.
1135 2006-01-24 Ian Lance Taylor <ian@airs.com>
1138 * cgraphunit.c (cgraph_output_in_order): Don't clear
1139 cgraph_asm_nodes until after asm strings have been output.
1141 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1143 * fix-header.c (read_scan_file): Add new parameter imultilib when
1144 calling register_include_chains.
1146 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1148 * omp-low.c: Update documentation.
1150 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1151 Daniel Berlin <dberlin@dberlin.org>
1155 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1156 return from the function.
1158 2006-01-22 Zack Weinberg <zackw@panix.com>
1160 * rtl.def (match_code): Add second argument.
1161 * genpreds.c (write_extract_subexp): New function.
1162 (write_match_code): Add path argument. Use write_extract_subexp.
1163 (write_predicate_expr): Pass path to write_match_code.
1164 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1165 not perform a mode test.
1166 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1167 a subexpression does not constrain the top-level code set.
1168 * read-rtl.c (read_rtx_variadic): New function.
1169 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1170 * doc/md.texi: Document new notation.
1171 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1172 (cmpsi_operand): ... here, using new notation.
1174 2006-01-22 Zack Weinberg <zackw@panix.com>
1176 * varray.c: Remove GENERATOR_FILE #ifdefs.
1178 2006-01-22 Zack Weinberg <zackw@panix.com>
1180 * genautomata.c (output_reserved_units_table): Emit nothing if
1181 description->query_units_num is zero. Remove extra blank line.
1182 (output_cpu_unit_reservation_p): Short circuit
1183 if description->query_units_num is zero.
1185 2006-01-22 Zack Weinberg <zackw@panix.com>
1187 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1188 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1189 nor any of the random handful of variables that used to be necessary
1190 when this program was linked with rtlanal.o. Prune set of forward
1191 function declarations.
1192 (struct attr_desc): Remove static_p field.
1193 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1194 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1195 (attr_string): Do not read the character one past the length of
1197 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1198 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1199 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1200 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1201 (make_automaton_attrs): New.
1202 (main): Do not call into genautomata. Call local gen_bypass
1203 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1204 Remove special case for insn_alts.
1205 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1206 varray.h (leftover from previous change). Prune set of forward
1207 function declarations. Remove state_alts fields from all
1208 structures. Remove state_alts_table from struct automaton.
1209 Make everything except main static. Do not maintain num_dfa_decls.
1210 Do not maintain state_alts fields of various structures.
1211 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1212 (add_arc): Remove state_alts argument. All callers updated.
1213 (output_reserved_units_table): Emit #ifdef here...
1214 (output_tables): ...not here. Don't generate state_alts tables.
1215 (expand_automata): Don't generate attributes.
1216 (write_automata): Don't generate state_alts functions.
1217 (main): New function.
1218 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1219 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1220 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1221 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1222 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1223 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1224 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1225 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1227 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1228 * genattrtab.h: Delete file.
1229 * Makefile.in (OBJS-common): Add insn-automata.o.
1230 (insn-automata.o): New rule.
1231 (simple_generated_c): Add insn-automata.c.
1232 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1233 (genprogmd): Add automata.
1234 (build/genattrtab): Needs no extra objects nor libraries.
1235 (build/genautomata): Needs build/vec.o and -lm.
1237 2006-01-22 Zack Weinberg <zackw@panix.com>
1239 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1240 (output_dfa_max_issue_rate, locked_states_num): Delete.
1241 (struct automaton): Add locked_states field.
1242 (output_dead_lock_vect): Save number of locked states in
1243 automaton->locked_states. If it is zero, don't print anything.
1244 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1245 (output_internal_dead_lock_func): Only test the dead_lock_vect
1246 for automata that have locked states.
1247 (output_statistics): Always print the number of locked states for
1248 each automaton. Calculate total number of locked states here.
1249 (write_automata): Don't call output_dfa_max_issue_rate.
1250 * genattrtab.c: Define length_unit_log as a const variable.
1251 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1252 max_insn_queue_index const.
1253 * final.c (length_unit_log): Declare const.
1254 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1256 2006-01-22 Zack Weinberg <zackw@panix.com>
1258 * genautomata.c: Include vec.h, not varray.h.
1259 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1260 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1261 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1262 VEC_* macros operating on appropriately typed vectors, or to
1263 malloced arrays when the size is known in advance. Const-ify
1264 many char* variables and function arguments. No functional changes.
1265 * Makefile.in (build/varray.o): Delete rule.
1266 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1267 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1269 2006-01-22 Zack Weinberg <zackw@panix.com>
1271 * gensupport.c: Define get_insn_name and record_insn_name here.
1272 (read_md_rtx): Call record_insn_name as appropriate.
1273 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1274 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1275 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1277 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1278 (BUILD_VARRAY): Delete.
1279 (genprognormal): Rename genprogmd. Fold in all programs from
1280 genprognoprint; also attrtab.
1281 (build/genattrtab): Just mention genautomata.o and varray.o.
1282 Reorganize a bit, add comments to make the categories clearer.
1284 2006-01-22 Zack Weinberg <zackw@panix.com>
1286 * genconditions.c (condition_table, add_condition): Delete.
1287 (write_conditions): Don't emit n_insn_conditions nor
1288 insn_elision_unavailable. Issue the gcc version #ifdef here,
1289 inside the table, with no #else clause ...
1290 (write_header): ...not here.
1291 (write_writer): New function.
1292 (main): Don't initialize condition_table. Use add_c_test.
1294 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1295 files on the command line.
1296 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1297 Return -1 if there is no entry in the table, don't abort.
1298 (add_c_test, traverse_c_tests): New functions.
1299 * gensupport.h (insn_elision_unavailable, insn_conditions)
1300 (n_insn_conditions): Delete declarations.
1301 (add_c_test, traverse_c_tests): Declare.
1302 * read-rtl.c: Include gensupport.h.
1303 (read_conditions): New function.
1304 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1305 (read_rtx_1): If we get EOF when we were looking for an initial
1306 open paren, return 0. Call read_conditions when appropriate.
1307 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1308 dummy-conditions.o. Eliminate references to insn-conditions.o,
1309 or change them to build/gencondmd.o, as appropriate. Remove
1310 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1311 from $(simple_generated_c). For all files remaining in those
1312 two lists, add insn-conditions.md to the generator command line.
1313 Give insn-constants.h/s-constants their own rules. Add rules
1314 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1315 (build/read-rtl.o): Depend on gensupport.h.
1316 (genprognormal): Include preds.
1317 (genprogearly): Rename genprognoprint; only difference is now that
1318 they don't link with $(BUILD_PRINT).
1319 * dummy-conditions.c: Delete.
1321 2006-01-22 Zack Weinberg <zackw@panix.com>
1323 * genextract.c: Don't include insn-config.h. Do include vec.h.
1324 Declare vectors of int, char, and locstr.
1325 (locstr): New typedef.
1326 (struct extraction): Make all array fields into bare pointers.
1327 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1328 (insn_code_number): Delete.
1329 (accum_extract): New struct.
1330 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1331 (gen_insn): Take insn_code_number as an argument. Use an
1332 accum_extract structure instead of loading data directly into
1333 a struct extraction, and having to know how big it might get.
1334 (walk_rtx): Operate entirely on an accum_extract structure.
1335 (print_path): Avoid unnecessary use of printf.
1336 (print_header): New function, split out of main. Distinguish
1337 more carefully between an unrecognizable insn and an insn that
1338 has the code number of a define_expand.
1339 (main): Pass insn_code_number to gen_insn. Call print_header
1340 only after parsing. Avoid unnecessary use of printf.
1341 * Makefile.in (build/vec.o): New rule.
1342 (build/genextract): Depend on build/vec.o.
1343 (build/genextract.o): Don't depend on insn-config.h.
1345 2006-01-22 Zack Weinberg <zackw@panix.com>
1347 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1348 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1349 practical. Eliminate per-generator-program link rules.
1351 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1354 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1355 with a call expr to ...
1356 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1358 2006-01-23 Richard Guenther <rguenther@suse.de>
1360 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1361 before make_edge with conditional EDGE_TRUE_VALUE.
1363 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1364 Jan Hubicka <jh@suse.cz>
1365 Richard Guenther <rguenther@suse.de>
1367 PR rtl-optimization/25654
1368 * cfgexpand.c (aggregate_contains_union_type): New function.
1369 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1370 for structure variables that contain a union type.
1372 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1374 * gengtype.c (new_structure): Return the structure.
1375 (create_option): Add an extra "next" argument.
1376 (create_field): New function.
1377 (adjust_field_rtx_def): Use create_option and create_field.
1378 Remove a now-unnecessary call to find_structure.
1379 (adjust_field_tree_def): Likewise.
1380 (note_yacc_type): Remove an unnecessary call to find_structure.
1381 * gengtype.h (new_structure): Return the structure.
1382 (create_option): Add an extra argument.
1383 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1384 (option): Adjust calls to create_option.
1386 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1388 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1390 2006-01-22 Paul Brook <paul@codesourcery.com>
1391 Peter Barada <peter@the-baradas.com>
1393 * config/m68k/m68k.md: Add Coldfire FPU support.
1394 Define FP mode macro and associated attributes.
1395 Use it for float mode patterns.
1396 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1397 (LIBCALL_VALUE): Use m68k_libcall_value.
1398 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1399 (m68k_function_value): Ditto.
1400 (emit_move_sequence): Ditto.
1401 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1402 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1403 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1404 (MULTILIB_EXCEPTIONS): Ditto.
1405 * config/m68k/m68k.opt: Add mcfv4e.
1406 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1407 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1408 (m68k_output_function_prologue): Save ColdFire FPU registers.
1409 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1410 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1411 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1412 ColdFire FPU registers.
1413 (m68k_libcall_value, m68k_function_value): New functions.
1414 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1415 (LIBCALL_VALUE): Use m68k_libcall_value.
1416 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1417 (MASK_COLDFIRE): Add MASK_CFV4E.
1418 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1419 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1420 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1421 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1422 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1423 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1424 * doc/invoke.tex: Document -mcfv4e on m68k.
1426 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1428 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1431 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1434 * c-opts.c (c_common_handle_option): Don't include
1435 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1436 * doc/invoke.texi (C++ Dialect Options): Document that
1437 -Wnon-virtual-dtor is no longer included in -Wall.
1439 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1441 * gcov.c (print_version), gcov-dump.c (print_version),
1442 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1445 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1447 * df-scan.c (problem_SCAN): Added NULL reset function.
1448 (df_scan_reset_blocks): Added code to call reset block function
1449 (df_bb_refs_delete) Fixed comment.
1450 (df_insn_refs_delete): Made tolerant of deleting non existent info
1451 for dataflow problems that need to be reset.
1452 * df-core.c (df_set_blocks): Ditto.
1453 * df.h (struct df_problem): Added reset_fun.
1454 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1455 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1456 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1457 functions to clear out all references to def-use or use-def chains.
1459 2006-01-21 Ben Elliston <bje@au.ibm.com>
1461 * varasm.c (assemble_real): Initialise data array.
1463 2006-01-20 Paul Brook <paul@codesourcery.com>
1465 Merge from csl-arm-branch.
1466 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1467 * config/arm/arm.md (movdi): Force operands[1] to a register
1468 if we have a non-register source.
1469 (*arm_movdi, *movdf_soft_insn): Require that one of the
1470 operands be a register.
1471 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1472 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1474 2006-01-20 DJ Delorie <dj@redhat.com>
1476 * varasm.c (initialize_constant_valid_p): Allow pointers
1477 initialized from integer constants of lesser precision.
1478 (output_constant): Allow non-int-sized pointer modes to be
1479 initialized from integer constants.
1481 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1484 * cppdefault.h (struct default_include): Add multilib flag.
1485 * cppdefault.c (cpp_include_defaults): Set it.
1486 * c.opt (-imultilib): New option.
1487 * c-opts.c (imultilib): New.
1488 (c_common_handle_option): Handle -imultilib.
1489 (c_common_post_options): Likewise.
1490 * c-incpath.c (add_standard_paths, register_include_chains):
1492 * c-incpath.h (register_include_chains): Add extra parameter.
1493 * gcc.c (do_spec_1): Generate -imultilib option.
1494 (The Specs Language): Update %I description.
1495 (process_command): Update copyright notice.
1496 * doc/cppopts.texi (-imultilib): Document.
1497 * doc/invoke.texi (-imultilib): Include in option summary.
1498 (%I): Update specs documentation.
1500 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1502 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1504 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1506 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1509 2006-01-20 Richard Guenther <rguenther@suse.de>
1510 Steven Bosscher <stevenb.gcc@gmail.com>
1512 PR rtl-optimization/24626
1513 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1514 EDGE_TRUE_VALUE if in RTL mode.
1517 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1518 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1520 2006-01-20 Dirk Mueller <dmueller@suse.com>
1523 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1524 instead of a special NOP marker.
1525 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1526 NOP marker handling.
1527 * c-common.h (empty_body_warning): Add forward declaration.
1528 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1529 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1531 2006-01-20 Paul Brook <paul@codesourcery.com>
1533 * Makefile.in (lang_checks): Keep going if mkdir fails.
1535 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1537 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1538 be able to clean out basic block when not necessary.
1539 (df_scan_free): Fixed to properly delete information if df is
1540 unused before calling df_finish.
1541 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1542 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1544 (df_bb_refs_delete): New function.
1545 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1546 * df-core.c (df_set_blocks): Added code to properly clean out
1547 unused blocks if they are not part of the blocks to consider.
1548 Added additional null check.
1549 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1550 be able to clean out basic block when not necessary
1551 * df.h (df_free_bb_function): Ditto.
1552 (df_bb_refs_delete): New function.
1553 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1554 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1555 basic block parameter to be able to clean out basic block when not
1557 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1558 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1559 Fixed to properly delete information if df is unused before
1562 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1564 PR rtl-optimization/25799
1565 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1566 Corrected confluence operator to remove bits from op2 before oring
1567 with op1 rather than removing bits from op1.
1568 (df_ru_transfer_function): Corrected test on wrong bitmap which
1569 caused infinite loop. Both of these problems were introduced in
1570 the dataflow rewrite.
1572 2006-01-19 DJ Delorie <dj@redhat.com>
1574 * reload1.c (find_reload_regs): Note the details of reload
1575 failures in the dump file.
1576 (spill_failure): Likewise.
1578 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1580 * loop-iv.c: Include df.h and hashtab.h.
1581 (enum iv_grd_result): New enum.
1582 (DF_REF_IV, DF_REF_IV_SET): New macros.
1583 (struct biv_entry): New.
1584 (df, bivs): New global variables.
1585 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1586 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1588 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1589 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1590 analyzed_for_bivness_p, record_biv): New functions.
1591 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1592 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1593 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1595 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1597 (iv_number_of_iterations): Use new interface to iv analysis.
1598 * loop-unroll.c: Do not include varray.h.
1599 (analyze_iv_to_split_insn): Use new interface to iv
1601 * loop-unswitch.c (may_unswitch_on): Ditto.
1602 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1604 (df_bb_modify): Realloc tables to the new index.
1605 (df_find_use): New function.
1606 * df.h (df_find_use): Declare.
1607 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1609 * cfgloop.h (struct rtx_iv): Remove analysed field.
1610 (iv_get_reaching_def): Removed.
1611 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1612 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1613 (loop-iv.o): Add df.h and hashtab.h dependency.
1614 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1616 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1619 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1621 (__floatundisf, __floatundidf): Likewise.
1622 * libgcc2.h (IS_IBM_EXTENDED): Define.
1624 2006-01-19 DJ Delorie <dj@redhat.com>
1626 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1628 2006-01-19 Paul Brook <paul@codesourcery.com>
1630 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1631 as nothrow when unwinding tables are disabled.
1633 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1636 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1637 of bit-field" when in system header.
1639 2006-01-19 DJ Delorie <dj@redhat.com>
1641 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1642 the 16 bit shift limit of the m16c.
1644 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1647 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1648 * config/i386/i386.c (output_set_got): Output the label if we have one
1649 for the TARGET_DEEP_BRANCH_PREDICTION case.
1651 2006-01-19 Jan Hubicka <jh@suse.cz>
1652 H.J. Lu <hongjiu.lu@intel.com>
1653 Evandro Menezes <evandro.menezes@amd.com>
1655 * invoke.texi (generic): Document
1657 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1658 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1659 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1660 (x86_use_incdec, x86_pad_returns): New variables
1661 (TARGET_CPU_DEFAULT_generic): New constant
1662 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1663 (enum processor_type): Add generic32 and generic64.
1664 * i386.md (cpu attribute): Add generic32/generic64
1665 (movhi splitter): Behave sanely when both partial_reg_dependency and
1666 partial_reg_stall are set.
1667 (K8 splitters): Enable for generic as well.
1668 * predicates.md (incdec_operand): Use TARGET_INCDEC
1669 (aligned_operand): Avoid memory mismatch stalls.
1670 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1671 * ppro.md: Enable for generic32
1672 * i386.c (generic64_cost, generic32_cost): New.
1673 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1674 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1675 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1676 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1677 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1678 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1679 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1680 x86_accumulate_outgoing_args, x86_prologue_using_move,
1681 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1682 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1684 (x86_use_incdec, x86_pad_returns): New.
1685 (override_options): Add generic32 and generic64, translate "generic"
1686 to generic32/generic64 and "i686" to "generic32", refuse
1687 "generic32"/"generic64" as arch target.
1688 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1689 (ix86_reorg): Honor PAD_RETURNS.
1691 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1693 * tree-pretty-print.c (dump_generic_node): Handle
1694 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1695 * cgraph.c (cgraph_expand_queue): Rename from
1696 cgraph_analyze_queue. Update all users.
1697 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1698 cgraph_expand_queue.
1699 (cgraph_expand_all_functions): Likewise.
1700 (cgraph_finalize_pending_functions): Remove. Update callers.
1702 * tree.h (OMP_DIRECTIVE_P): Define.
1703 (OMP_PARALLEL_FN): Define.
1704 (OMP_PARALLEL_DATA_ARG): Define.
1705 (OMP_SECTIONS_SECTIONS): Define.
1706 * tree-pass.h (pass_expand_omp): Declare.
1707 * omp-low.c (struct omp_region): Declare.
1708 (struct omp_context): Remove fields 'parallel_type',
1709 'parallel_start_ix' and 'parallel_start_additional_args'.
1711 (struct omp_for_data): Rename from struct expand_omp_for_data.
1712 (omp_regions): New static variable.
1713 (root_omp_region): New static variable.
1714 (find_omp_clause): Make static.
1715 (is_in_combined_parallel_ctx): Remove.
1716 (is_combined_parallel): New.
1717 (extract_omp_for_data): Move earlier in the file.
1718 (workshare_safe_to_combine_p): New.
1719 (get_ws_args_for): New.
1720 (determine_parallel_type): Move earlier in the file.
1721 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1723 (omp_copy_decl): Likewise.
1724 (create_omp_child_function): Likewise.
1725 (lookup_omp_region): New.
1726 (dump_omp_region): New.
1727 (debug_omp_region): New.
1728 (debug_all_omp_regions): New.
1729 (new_omp_region): New.
1730 (scan_omp_parallel): If parallel_nesting_level > 1, the
1731 directive is nested within another parallel directive.
1732 Set OMP_PARALLEL_FN.
1733 (scan_omp_for): Do not try to handle combined parallel+for
1735 Remove FIXME comment.
1736 (scan_omp_nested): Remove.
1737 (scan_omp_1): Do not call scan_omp_nested when
1738 parallel_nesting_level is > 1.
1739 Do not change the DECL_CONTEXT of local variables found.
1740 (lookup_decl_in_outer_ctx): New.
1741 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1742 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1743 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1744 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1745 If CTX is nested, lookup VAR in the outer context when
1746 building copy assignment.
1747 (lower_send_clauses): Rename from expand_send_clauses.
1748 If CTX is nested, lookup VAR in the outer context when
1749 building copy assignments.
1750 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1751 If CTX is nested, lookup VAR in the outer context when
1752 building copy assignments.
1753 (expand_parallel_call): Rename from build_parallel_call.
1754 Handle combined parallel+workshare cases.
1755 Re-implement to emit code into the CFG.
1757 (expand_omp_parallel): Re-implement to emit code into the CFG.
1758 Call move_sese_region_to_fn to outline the sub-graph
1759 containing the parallel region.
1760 (expand_omp_for_1): Remove.
1761 (expand_omp_for_generic): Re-implement to emit code into the
1763 (expand_omp_for_static_nochunk): Likewise.
1764 (expand_omp_for_static_chunk): Likewise.
1765 (expand_omp_for): Likewise.
1766 (expand_omp_sections): Likewise.
1767 (remove_exit_barriers): New.
1768 (expand_omp_synch): New.
1770 (build_omp_regions_1): New.
1771 (build_omp_regions): New.
1772 (execute_expand_omp): New.
1773 (gate_expand_omp): New.
1774 (pass_expand_omp): Define.
1775 (lower_omp_sections): Rename from expand_omp_sections.
1776 Set OMP_SECTIONS_SECTIONS.
1777 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1778 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1779 (lower_omp_single): Rename from expand_omp_simple.
1780 (lower_omp_master): Rename from expand_omp_master.
1781 (lower_omp_ordered): Rename from expand_omp_ordered.
1782 (lower_omp_critical): Rename from expand_omp_critical.
1783 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1784 (lower_omp_for): Re-implement.
1785 (lower_omp_parallel): Re-implement.
1786 (lower_regimplify): Rename from expand_regimplify.
1787 (lower_omp_1): Rename from expand_omp_1.
1788 If there are syntax errors in the program, replace every
1789 OpenMP directive with NOP.
1790 Call lower_omp_* instead of expand_omp_*.
1791 (lower_omp): Rename from expand_omp.
1793 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1794 * tree-gimple.h (enum omp_parallel_type): Remove.
1795 (gimple_boolify): Declare extern.
1796 (find_omp_clause, determine_parallel_type): Remove.
1798 * gimple-low.c (lower_omp_directive): New.
1799 (lower_stmt): Call it.
1800 (record_vars_into): Move from ...
1801 (record_vars): ... here.
1802 Call record_vars_into with current_function_decl.
1804 * gimplify.c (struct gimplify_ctx): Remove fields
1805 combined_pre_p and combined_ctxp. Update users.
1806 (get_formal_tmp_var): Add documentation.
1807 (gimple_boolify): Make extern.
1808 (gimplify_expr_in_ctx): Remove. Update callers.
1809 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1810 will always be a BIND_EXPR.
1811 (gimplify_expr): Handle OMP_RETURN_EXPR.
1812 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1813 (OMP_PARALLEL): Add 3 operands.
1814 (OMP_SECTIONS): Add 1 operand.
1815 (OMP_RETURN_EXPR): Define.
1817 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1818 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1819 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1820 creating a circular free list.
1821 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1823 * tree-flow.h (move_sese_region_to_fn): Declare.
1824 (record_vars_into): Declare.
1825 * tree-cfg.c (make_omp_sections_edges): New.
1826 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1827 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1828 OMP_SECTIONS and OMP_SECTION.
1829 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1830 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1831 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1832 (gather_blocks_in_sese_region): New.
1833 (struct move_stmt_d): Declare.
1835 (move_block_to_fn): New.
1836 (move_sese_region_to_fn): New.
1838 * passes.c (init_optimization_passes): Schedule
1839 pass_expand_omp after pass_init_datastructures.
1841 * tree-ssa-operands.c (get_expr_operands): Handle
1842 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1843 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1845 2006-01-19 Jeff Law <law@redhat.com>
1847 * tree-vrp.c (extract_range_from_assert): Refine the result range
1848 if the variable referenced by the ASSERT_EXPR has a range and
1849 either the tentative result range or the previous range is a
1852 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1854 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1856 2006-01-19 Jan Hubicka <jh@suse.cz>
1858 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1860 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1862 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1863 (expand_compound_operation, expand_field_assignment): Fail if the
1864 bit lengths of an extract operation are out of range.
1865 (make_extraction): Compute wanted_inner_mode based on the position
1866 and length of the extraction. Make it extraction_mode for non-constant
1867 positions, and do not modify offset in that case. When generating a
1868 new MEM, use a mode that can hold the extraction while keeping correct
1869 alignment. Remove code that supported MEMs wrapped by USEs.
1870 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1872 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1874 * config/s390/s390.md ("Y", "y"): New mode attribute.
1875 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1876 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1877 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1878 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1879 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1880 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1881 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1882 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1883 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1884 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1885 "addsi3", "subsi3"): Insn patterns removed.
1886 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1887 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1888 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1889 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1890 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1891 "*sub<mode>3_cconly2"): New insn patterns.
1892 ("addsi3", "subsi3"): New expanders.
1894 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1896 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1897 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1898 existing STMT_VINFO_VECTYPE if available.
1899 (vect_mark_relevant): Add special handling for stmts that are
1900 marked as STMT_VINFO_IN_PATTERN_P.
1901 (vect_analyze_loop): Call vect_pattern_recog.
1902 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1903 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1905 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1906 (vect_recog_func_ptr): New function-pointer type.
1907 * tree-vect-patterns.c: New file.
1908 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1909 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1910 (vect_pattern_recog_1): New functions.
1911 (vect_pattern_recog_funcs): New array of function pointers.
1913 * tree-vectorizer.h (ternary_op): New enum value.
1914 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1915 declaration. Revised documentation. Removed redundant dump prints.
1916 Removed redundant argument. Added support for reduction patterns.
1917 (vectorizable_reduction): Added support for reduction patterns.
1918 (vect_transform_stmt): Added support for patterns.
1920 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1921 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1922 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1923 (expand_widen_pattern_expr): New function.
1924 (init_optabs): Initialize new optabs udot_prod_optab,
1926 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1927 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1928 (expand_widen_pattern_expr): New function declaration.
1929 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1931 * tree-inline.c (estimate_num_insns_1): Added cases for new
1932 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1933 * tree-pretty-print.c (dump_generic_node): Likewise.
1934 (op_prio): Likewise.
1935 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1936 * tree-ssa-operands.c (get_expr_operands): Added case for
1938 * tree-vect-patterns.c (widened_name_p): New function.
1939 (vect_recog_dot_prod_pattern): Added function implementation.
1940 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1941 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1942 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1943 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1945 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1946 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1947 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1948 (init_optabs): Initialize new optabs widen_ssum_optab,
1950 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1951 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1952 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1953 use instead of type of def.
1954 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1955 function implementation.
1956 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1957 widen_ssumv8hi): New.
1959 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1962 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1965 * c-decl.c (add_flexible_array_elts_to_size): New function.
1966 (finish_decl): Use it.
1968 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1970 * diagnostic.h: Include options.h.
1971 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1972 dependancies for diagnostic.h.
1973 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1975 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1977 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1978 (ssa_ro_call_cache_valid): Ditto.
1979 * tree-ssa-alias.c (sort_tags_by_id): New function.
1980 (init_transitive_clobber_worklist): Ditto.
1981 (add_to_worklist): Ditto.
1982 (mark_aliases_call_clobbered): Ditto.
1983 (compute_tag_properties): Ditto.
1984 (set_initial_properties): Ditto.
1985 (compute_call_clobbered): Ditto.
1986 (compute_may_aliases): Call compute_call_clobbered and grouping.
1987 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1988 (compute_flow_insensitive_aliasing): Grouping now happens in our
1990 (setup_pointers_and_addressables): Remove clobbering related code.
1991 (add_may_alias): Ditto.
1992 (replace_may_alias): Ditto.
1993 (get_nmt_for): Ditto.
1994 (create_global_var):
1995 (is_escape_site): Return an escape_type enumeration.
1996 * tree-flow-inline.h (is_call_clobbered): Global var does not
1997 imply call clobbered.
1998 (mark_call_clobbered): Take a reason for marking this. Remove
1999 marking of globalness, and cache invalidation.
2000 (clear_call_clobbered): Remove cache invalidation code.
2001 * tree-dfa.c (dump_variable): If details is on, dump the reason
2003 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2005 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2006 (struct var_ann_d): Ditto.
2007 (enum escape_type): New.
2008 (mark_call_clobbered): Adjust prototype.
2009 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2010 are never call clobbered.
2011 Record reasons for escaping.
2012 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2013 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2014 (ssa_ro_call_cache_valid): Ditto.
2015 (clobbered_v_may_defs): Ditto.
2016 (clobbered_vuses): Ditto.
2017 (ro_call_vuses): Ditto.
2018 (clobber_stats): New.
2019 (init_ssa_operands): Zero out clobber stats.
2020 (fini_ssa_operands): Print out clobber stats.
2021 (get_call_expr_operands): Pass callee fndecl to
2023 (add_call_clobber_ops): Remove use of cache.
2024 Add use of PURE_CONST information.
2025 (add_call_read_ops): Remove use of cache.
2026 Add use of static not_read information.
2028 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2030 Introduce TLS descriptors for i386 and x86_64.
2031 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2032 (TARGET_ANY_GNU_TLS): New macro.
2033 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2034 (struct machine_function): Add tls_descriptor_call_expanded_p.
2035 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2036 (ix86_current_function_calls_tls_descriptor): Likewise.
2037 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2038 (override_options): Introduce gnu2 tls dialect.
2039 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2041 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2043 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2044 (ix86_init_machine_status): Initialize new field.
2045 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2046 (ix86_tls_module_base): New.
2047 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2048 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2049 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2050 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2051 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2052 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2053 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2054 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2055 * config/i386/predicates.md (tls_modbase_operand): New.
2056 (tp_or_register_operand): New.
2058 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2060 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2061 (look_for_address_of): Ditto.
2062 (ipa_init): Walk the function decls.
2063 (static_execute): Don't set readonly on FUNCTION_DECL's.
2065 2006-01-18 Roger Sayle <roger@eyesopen.com>
2067 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2068 for shifts where the source and destination registers are different.
2070 2006-01-18 Paul Brook <paul@codesourcery.com>
2072 Merge from csl-arm-branch.
2073 2005-03-14 Julian Brown <julian@codesourcery.com>
2074 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2075 (aeabi_llsl): Likewise.
2076 (ashrdi3): Likewise.
2077 (aeabi_lasr): Likewise.
2078 (lshrdi3): Likewise.
2079 (aeabi_llsr): Likewise.
2080 2005-03-10 Julian Brown <julian@codesourcery.com>
2081 * config.gcc: Disable shared libgcc for SymbianOS.
2082 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2084 2006-01-18 DJ Delorie <dj@redhat.com>
2086 * c-pragma.c (handle_pragma_diagnostic): New.
2087 (init_pragma): Register it.
2088 * doc/extend.texi: Document it.
2090 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2091 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2092 (diagnostic_context): Add classify_diagnostic[].
2093 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2094 as errors if they're overridden to DK_WARNING.
2095 (diagnostic_initialize): Initialize classify_diagnostic[].
2096 (diagnostic_set_kind_override): New.
2097 (diagnostic_report_diagnostic): Check for kind changes.
2098 * opts.c (common_handle_option): Take lang_mask. Update callers.
2100 * common.opt (Werror=): New.
2101 * doc/invoke.texi: Document -Werror=*
2103 2006-01-18 Jeff Law <law@redhat.com>
2105 * tree-vrp.c (test_for_singularity): Correct test for new
2106 min limit. Use operand_equal_p rather than pointer equality
2107 for testing if new min/max values are equal.
2109 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2110 using range information until after propagation and folding.
2112 2006-01-18 Richard Henderson <rth@redhat.com>
2113 Aldy Hernandez <aldyh@redhat.com>
2114 Jakub Jelinek <jakub@redhat.com>
2115 Diego Novillo <dnovillo@redhat.com>
2117 * omp-low.c: New file.
2118 * c-omp.c: New file.
2120 2006-01-18 Richard Henderson <rth@redhat.com>
2121 Jakub Jelinek <jakub@redhat.com>
2122 Diego Novillo <dnovillo@redhat.com>
2124 * doc/invoke.texi: Document -fopenmp.
2125 * tree-dump.h (debug_function): Declare.
2126 * hooks.c (hook_bool_tree_bool_false): New function.
2127 (hook_tree_tree_null): Remove.
2128 (hook_tree_tree_tree_null): New.
2129 * hooks.h: Update to match.
2130 * tree-pretty-print.c (debug_tree_chain): New.
2131 (print_generic_expr): Handle TDF_CHAIN.
2132 (dump_generic_node): Handle BLOCK.
2133 Do not abort with incomplete SWITCH_EXPRs.
2134 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2135 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2136 print space after directive name.
2137 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2138 Handle OMP_MASTER and OMP_ORDERED.
2139 Handle printing of OMP_BODY just in one place, goto
2140 dump_omp_body in the rest of OMP_* nodes that have
2142 Don't handle clause nodes here. Update omp statements to
2143 use dump_omp_clauses.
2144 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2145 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2146 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2147 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2148 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2149 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2150 Adjust output for GOMP_PARALLEL.
2151 (dump_omp_clauses): New.
2152 (print_declaration): Dump DECL_VALUE_EXPR.
2153 (op_symbol_1): Split out of op_symbol.
2154 (dumping_stmts): Remove. Update all users.
2155 * cgraph.c (cgraph_analyze_queue): New.
2156 (cgraph_add_new_function): New.
2157 * cgraph.h (cgraph_analyze_queue): Declare.
2158 (cgraph_add_new_function): Declare.
2159 (cgraph_lower_function): Remove.
2160 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2161 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2162 and TYPE_P nodes in its default clause.
2163 (empty_body_p): New.
2164 (tree_range_check_failed): New.
2166 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2167 OMP_CLAUSE_REDUCTION_MERGE,
2168 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2169 OMP_CLAUSE_PRIVATE_DEBUG,
2170 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2171 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2172 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2173 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2174 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2175 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2176 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2177 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2178 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2179 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2180 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2181 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2182 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2183 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2184 (TREE_RANGE_CHECK): New.
2185 (empty_body_p): Declare.
2186 (enum omp_clause_default_kind): New.
2187 (build_string_literal): Declare.
2188 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2189 (build5_stat, build5): Declare.
2190 * tree-pass.h (TDF_CHAIN): Define.
2191 * tree-pass.h (PROP_gimple_lomp): Define.
2192 (pass_lower_omp): Declare.
2193 * diagnostic.h (debug_tree_chain): Declare.
2194 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2196 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2197 * builtins.c (build_string_literal): Make extern.
2198 * gcc.c (include_spec_function): New.
2199 (static_spec_functions): Add it.
2200 (main): Move load of libgomp.spec ...
2201 (LINK_COMMAND_SPEC): ... here.
2202 (link_gomp_spec): New.
2203 (static_specs): Include it.
2204 (LINK_COMMAND_SPEC): Add link_gomp.
2205 (GOMP_SELF_SPECS): New.
2206 (driver_self_specs): Include it.
2207 (switch_matches): Don't mark inline.
2208 (main): Load libgomp.spec.
2209 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2210 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2211 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2212 * tree-gimple.h (enum omp_parallel): Declare.
2213 (determine_parallel_type): Declare.
2214 (omp_firstprivatize_variable): Declare.
2215 (omp_reduction_init): Declare.
2216 (diagnose_omp_structured_block_errors): Declare.
2217 (struct walk_stmt_info): Add want_return_expr.
2218 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2219 (find_omp_clause): Declare.
2220 (insert_field_into_struct): Declare.
2221 (struct walk_stmt_info): Move from tree-nested.c
2222 (walk_stmts): Declare.
2223 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2225 * cgraphunit.c (cgraph_lower_function): Make static.
2226 (cgraph_finalize_pending_functions): New.
2227 (cgraph_finalize_function): Call it.
2228 (cgraph_finalize_compilation_unit): Likewise.
2229 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2230 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2231 (BT_FN_UINT_UINT): New.
2232 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2233 DEF_FUNCTION_TYPE_VAR_4): Document.
2234 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2235 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2236 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2237 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2238 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2239 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2240 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2241 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2242 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2243 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2244 into separate files.
2245 (DEF_GOMP_BUILTIN): New.
2246 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2247 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2248 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2249 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2250 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2251 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2252 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2253 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2254 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2255 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2256 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2257 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2258 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2259 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2260 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2261 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2262 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2263 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2264 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2265 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2266 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2267 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2268 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2269 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2270 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2271 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2272 * sync-builtins.def: New file, moved from builtins.def.
2273 * omp-builtins.def: New file, moved from builtins.def.
2274 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2275 * gimple-low.c (lower_function_body): Clear data.
2276 (lower_stmt): Do not handle COMPOUND_EXPR.
2277 Remove call to print_node_brief.
2278 * c-tree.h (c_finish_omp_clauses): New prototype.
2279 (C_DECL_THREADPRIVATE_P): Define.
2280 (lookup_name_no_remap, c_omp_remap_private): Remove
2281 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2282 (check_for_loop_decls): Update decl.
2283 (lookup_name_no_remap, c_omp_remap_private): Declare.
2284 (build_indirect_ref, build_modify_expr, pushdecl,
2285 pushdecl_top_level): Move to c-common.h.
2286 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2287 before the switch, but just in the 2 places that need it.
2288 * c-decl.c (diagnose_mismatched_decls): Do not check for
2289 mismatched thread-local attributes when OLDDECL is marked
2290 threadprivate and NEWDECL has no thread-local attributes.
2291 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2292 (c_gimple_diagnostics_recursively): Rename from
2293 c_warn_unused_result_recursively. Invoke
2294 diagnose_omp_structured_block_errors.
2295 (check_for_loop_decls): Return a singular decl found.
2296 * langhooks.c (lhd_omp_predetermined_sharing): Return
2297 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2298 (lhd_omp_firstprivatize_type_sizes): New.
2299 (lhd_omp_assignment): New.
2300 (lhd_omp_predetermined_sharing): New.
2301 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2302 (struct lang_hooks_for_types): Add
2303 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2304 omp_predetermined_sharing, omp_disregard_value_expr,
2305 omp_private_debug_clause, omp_clause_default_ctor,
2306 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2307 (c_finish_omp_clauses): New.
2308 (c_finish_bc_stmt): Diagnose break within omp for.
2309 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2310 (build_unary_op): Return error_mark after reporting
2312 (build_modify_expr): Likewise.
2313 * gimplify.c: Include optabs.h and pointer-set.h.
2314 (enum gimplify_omp_var_data): Declare.
2315 (struct gimplify_omp_ctx): Declare.
2316 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2318 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2319 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2320 (splay_tree_compare_decl_uid): New.
2321 (new_omp_context): New.
2322 (delete_omp_context): New.
2323 (gimple_add_tmp_var): Call omp_add_variable.
2324 (gimplify_bind_expr): Likewise.
2325 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2326 true, disregard DECL_VALUE_EXPR on the decl if any.
2327 (gimplify_expr_in_ctx): New.
2328 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2329 omp_add_variable, omp_notice_variable, omp_is_private
2330 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2331 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2332 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2333 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2334 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2335 gimplify_omp_atomic): New.
2336 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2337 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2338 OMP_CRITICAL and OMP_ATOMIC.
2339 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2340 * c-pragma.h (enum pragma_kind): Add
2341 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2342 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2343 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2344 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2345 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2346 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2347 PRAGMA_OMP_THREADPRIVATE.
2348 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2349 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2350 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2351 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2352 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2353 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2354 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2355 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2356 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2357 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2358 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2359 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2360 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2362 (struct nesting_info): Add field_map,
2363 suppress_expansion, debug_var_chain.
2364 (create_nesting_tree): Initialize them.
2365 (lookup_field_for_decl): Use field_map.
2366 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2367 (convert_local_omp_clauses): New.
2368 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2369 (walk_body): Split out of walk_function.
2370 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2371 (convert_nonlocal_reference): Handle omp statements.
2372 (convert_local_reference): Likewise.
2373 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2374 (unnest_nesting_tree): New.
2375 (lower_nested_functions): Call it.
2376 (insert_field_into_struct): Make extern.
2377 (struct walk_stmt_info): Move to tree-gimple.h.
2378 (walk_stmts): Make extern.
2379 * omp-builtins.def: New file.
2380 * tree-iterator.c (expr_only): Clarify comment.
2381 * c-common.h (pushdecl_top_level, pushdecl,
2382 build_modify_expr, build_indirect_ref,
2383 c_finish_omp_master, c_finish_omp_critical,
2384 c_finish_omp_ordered, c_finish_omp_barrier,
2385 c_finish_omp_atomic, c_finish_omp_flush,
2386 c_finish_omp_for, c_split_parallel_clauses,
2387 omp_clause_default_kind, c_omp_sharing_predetermined,
2388 c_omp_remap_decl): Declare.
2389 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2390 (OBJS-common): Add omp-low.o.
2391 (c-omp.o, omp-low.o): Add.
2392 (gimplify.o): Add dependency on $(OPTABS_H).
2393 (GTFILES): Add omp-low.c.
2394 (gt-stringpool.h): Add.
2395 * tree-cfg.c (set_bb_for_stmt): Do not update the
2396 block-to-labels map if we are currently expanding to RTL.
2397 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2399 Handle IDENTIFIER_NODE.
2400 (tree_verify_flow_info): Do not ICE when emitting error
2401 messages about invalid labels.
2402 (dump_function_to_file): Reset CFUN before emitting the body
2404 (debug_function): New.
2405 * passes.c (init_optimization_passes): Schedule
2407 * langhooks-def.h (lhd_omp_predetermined_sharing,
2408 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2410 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2411 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2412 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2413 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2414 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2415 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2416 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2417 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2418 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2419 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2420 (LANG_HOOK_DECLS): Use them.
2422 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2423 Richard Henderson <rth@redhat.com>
2424 Jakub Jelinek <jakub@redhat.com>
2425 Diego Novillo <dnovillo@redhat.com>
2427 * c-parser.c (pragma_omp_clause): Define.
2428 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2429 (c_parser_compound_statement): Likewise.
2430 (c_parser_statement): Likewise.
2431 (c_parser_pragma): Handle omp pragmas.
2432 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2433 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2434 (c_parser_omp_clause_name, check_no_duplicate_clause,
2435 c_parser_omp_variable_list,
2436 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2437 c_parser_omp_clause_copyprivate,
2438 c_parser_omp_clause_default,
2439 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2440 c_parser_omp_clause_lastprivate,
2441 c_parser_omp_clause_nowait,
2442 c_parser_omp_clause_num_threads,
2443 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2444 c_parser_omp_clause_reduction,
2445 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2446 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2447 c_parser_omp_atomic, c_parser_omp_barrier,
2448 c_parser_omp_critical, c_parser_omp_flush,
2449 c_parser_omp_for_loop, c_parser_omp_for,
2450 c_parser_omp_master, c_parser_omp_ordered,
2451 c_parser_omp_sections_scope, c_parser_omp_sections,
2452 c_parser_omp_parallel, c_parser_omp_single,
2453 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2454 * c-pragma.c (init_pragma): Do omp pragma registration here.
2455 * c.opt (fopenmp): New flag.
2457 2006-01-18 Eric Christopher <echristo@apple.com>
2459 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2460 * config/darwin.h (GOMP_SELF_SPECS): Define.
2462 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2464 * rtl.h: Remove the prototype for reg_alloc.
2466 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2469 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2470 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2471 sjlj and dwarf2 exception handling.
2472 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2473 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2474 * pa/pa.c (function_value): Treat complex and vector types as
2476 (function_arg): Likewise. Only pass scalar floats in the floating
2477 point argument registers.
2478 * pa/t-slibgcc-dwarf-ver: New file.
2479 * pa/t-slibgcc-sjlj-ver: New file.
2480 * pa/t-slibgcc-elf-ver: Delete file.
2482 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2484 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2485 unlikely_test_section_p test.
2487 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2489 * mode-switching.c (optimize_mode_switching): Make it static.
2490 * basic-block.h: Remove the prototype for
2491 optimize_mode_switching.
2493 * modulo-sched.c (sms_schedule): Make it static.
2494 * rtl.h: Remove the prototype for sms_schedule.
2496 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2497 * rtl.h: Remove the prototype for gcse_after_reload_main.
2499 * reg-stack.c (reg_to_stack): Make it static.
2500 * rtl.h: Remove the prototype for reg_to_stack.
2502 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2504 * rtl.h: Remove the prototypes for regrename_optimize and
2505 copyprop_hardreg_forward.
2507 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2509 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2510 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2511 Test against the appropriate null constant for the mode.
2512 If 'fixup_overlap' is true, swap the operands if they overlap.
2513 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2514 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2515 alpha_split_tmode_pair and adjust for above change.
2516 * config/alpha/alpha.md (movtf_internal): Adjust call to
2517 alpha_split_tfmode_pair and rely on it to swap the operands.
2518 (movti_internal): New insn and post-reload splitter.
2519 (movti): New expander.
2521 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2523 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2526 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2528 * rtlanal.c (global_reg_mentioned_p_1,
2529 global_reg_mentioned_p): Remove.
2530 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2532 * flow.c (initialize_uninitialized_subregs): Make it static.
2533 * rtl.h: Remove the prototype for
2534 initialize_uninitialized_subregs.
2536 * function.c (instantiate_virtual_regs): Make it static.
2537 * function.h: Remove the prototype for
2538 instantiate_virtual_regs.
2540 * regmove.c (regmove_optimize, combine_stack_adjustments):
2542 * rtl.h: Remove the prototypes for regmove_optimize and
2543 combine_stack_adjustments.
2545 2006-01-17 Roger Sayle <roger@eyesopen.com>
2547 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2548 (size_cost): Encode costs in bytes so that a reg-reg addition is
2549 equivalent to COSTS_N_INSNS(1).
2550 (override_options): Use the size_cost.branch_cost as the default
2551 ix86_branch_cost when optimizing for size.
2553 2006-01-18 Ben Elliston <bje@au.ibm.com>
2555 * Makefile.in (D32PBIT_FUNCS): New.
2556 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2557 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2558 D64PBIT_FUNCS and D128PBIT_FUNCS.
2559 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2560 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2562 (decnumber_dep): Define.
2563 * doc/libgcc.texi (Decimal float library routines): New node.
2564 * config/dfp-bit.h, config/dfp-bit.c: New files.
2566 2006-01-18 Ben Elliston <bje@au.ibm.com>
2568 * expr.c (emit_move_change_mode): Always adjust addresses, not
2569 just during reload. Copy replacements only during reload.
2570 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2571 emit_move_via_integer.
2573 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2575 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2576 instead of $(srcdir) and ${srcdir}.
2578 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2582 * arm.h (struct machine_function): Add pic_reg.
2583 * arm.c (arm_pic_register): Make unsigned.
2584 (arm_override_options): Only set arm_pic_register if
2585 TARGET_SINGLE_PIC_BASE.
2586 (use_return_insn): Only test for a pic register if it is fixed.
2587 (arm_compute_save_reg0_reg12_mask): Likewise.
2588 (thumb_compute_save_reg_mask): Likewise.
2589 (legitimate_pic_operand): Factor out some known invariants.
2590 (legitimize_pic_address): If we don't have a fixed pic register,
2591 then set up a pseudo in the function entry sequence. Handle the
2592 pic base being in a pseudo.
2593 (arm_load_pic_register): Handle the pic register being in a pseudo.
2594 (arm_expand_prologue): Only set up the pic register if it is fixed.
2595 (thumb_expand_prologue): Likewise.
2596 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2597 (pic_load_addr_based_insn): Likewise.
2598 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2601 2006-01-18 Ben Elliston <bje@au.ibm.com>
2603 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2604 decimal float modes for all floating point registers.
2606 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2607 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2609 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2612 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2613 even when the pointer is not NULL.
2615 2006-01-16 Ian Lance Taylor <ian@airs.com>
2617 * common.opt (ftoplevel-reorder): New option.
2618 * cgraph.c (cgraph_asm_nodes): New global variable.
2619 (cgraph_asm_last_node): New static variable.
2620 (cgraph_order): New global variable.
2621 (cgraph_create_node): Set new order field.
2622 (cgraph_varpool_node): Likewise.
2623 (decide_is_variable_needed): Return true if not
2624 flag_toplevel_reorder.
2625 (cgraph_add_asm_node): New function.
2626 * cgraph.h (struct cgraph_node): Add order field.
2627 (struct cgraph_varpool_node): Add order field.
2628 (struct cgraph_asm_node): Define.
2629 (cgraph_asm_nodes, cgraph_order): Declare.
2630 (cgraph_add_asm_node): Declare.
2631 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2633 (cgraph_varpool_assemble_pending_decls): Call it.
2634 (cgraph_output_pending_asms): New static function.
2635 (cgraph_finalize_compilation_unit): Call it.
2636 (struct cgraph_order_sort): Define.
2637 (cgraph_output_in_order): New static function.
2638 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2639 !flag_toplevel_reorder case.
2640 * c-parser.c: Include "cgraph.h".
2641 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2643 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2644 than -fno-unit-at-a-time.
2645 * doc/invoke.texi (Option Summary): Mention
2646 -fno-toplevel-reorder.
2647 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2648 -funit-at-a-time documentation.
2650 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2651 Kazu Hirata <kazu@codesourcery.com>
2653 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2655 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2657 * Makefile.in (FUNCTION_H): New. Use it instead of
2658 function.h throughout the file.
2659 * function.h: Include tree.h.
2661 2006-01-17 Ben Elliston <bje@au.ibm.com>
2663 * recog.c: Separate some functions with whitespace.
2665 2006-01-16 Richard Henderson <rth@redhat.com>
2667 Merge from gomp branch:
2668 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2669 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2670 and rename from struct inline_data. Rename callee* to dst*;
2671 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2672 transform_new_cfg, transform_return_to_modify, and
2673 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2675 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2676 (copy_decl_for_dup): Remove.
2677 * tree-inline.c (struct inline_data): Move to header.
2678 (insert_decl_map): Export.
2679 (remap_decl): Update for member name changes. Use copy_decl hook.
2680 Allow for replacement to be a non-decl. Remove dead code.
2681 (remap_type_1): Check for existing mapping.
2682 (remap_type): Export.
2683 (remap_decls): Update for member name changes.
2684 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2685 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2686 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2687 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2688 (tree_function_versioning, build_duplicate_type): Likewise.
2689 (copy_body_r): Likewise. Export.
2690 (copy_decl_for_dup): Split into ...
2691 (copy_decl_for_dup_finish, copy_decl_to_var,
2692 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2693 (replace_ref_tree, inlining_p): Remove.
2695 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2697 * ifcvt.c (if_convert): Make it static.
2698 * rtl.h: Remove the prototype for if_convert.
2700 * local-alloc.c (local_alloc): Make it static.
2701 * rtl.h: Remove the prototype for local_alloc.
2703 * loop.c (loop_optimize): Make it static.
2704 * cfgloop.h: Remove the prototype for loop_optimize.
2707 2006-01-16 DJ Delorie <dj@redhat.com>
2709 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2712 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2714 * pa.md: Disparage copies between general and floating-point registers
2715 in 32-bit move patterns.
2717 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2720 * Makefile.in (check-%): Depend on site.exp instead of
2721 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2724 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2726 * global.c (global_alloc): Make it static.
2727 * rtl.h: Remove the prototype for global_alloc.
2729 2006-01-16 Richard Guenther <rguenther@suse.de>
2731 * tree-ssa-alias.c (struct used_part): Add write_only field.
2732 (get_or_create_used_part_for): Initialize it to true.
2733 (create_overlap_variables_for): Don't create structure variables
2734 for structures that only are written to.
2735 (find_used_portions): Handle MODIFY_EXPR to track whether a
2736 structure is only written to.
2738 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2740 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2742 * basic-block.h: Remove the prototype for
2743 partition_hot_cold_basic_blocks.
2745 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2747 * cppspec.c (lang_specific_spec_functions): Remove.
2748 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2749 * gcc.h (lang_specific_spec_functions): Remove.
2750 * gccspec.c (lang_specific_spec_functions): Remove.
2752 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2754 * combine.c (record_value_for_reg): Invalidate registers
2756 (record_dead_and_set_regs_1): Likewise, by passing them to
2757 record_value_for_reg.
2758 (record_dead_and_set_regs): Invalidate stores made by a
2759 call. We do not combine across a call, but we still
2760 relied on equivalences.
2762 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2764 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2765 vrp_int_const_binop returning non-constant nodes.
2767 2006-01-16 Paul Brook <paul@codesourcery.com>
2769 * config/m68k/m68k.c (output_move_const_into_data_reg):
2770 Output correct mnemonic for mvz and mvs.
2772 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2774 * rtl-factoring.c: Add sequence abstraction algorithm.
2775 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2776 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2778 (block_has_preserve_label): New function.
2779 * common.opt: Register new pass.
2780 * Makefile.in: Ditto.
2782 * timevar.def: Ditto.
2783 * tree-pass.h: Ditto.
2784 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2785 * rtl.h (make_jump_insn_raw): Add forward decl.
2786 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2788 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2789 Roger Sayle <roger@eyesopen.com>
2791 * fold-const.c (fold_minmax): New static function.
2792 (fold_binary) <MIN_EXPR>: Call it.
2793 <MAX_EXPR>: Likewise.
2794 * stor-layout.c (place_field): Use DECL_SIZE consistently
2795 in the computation of the new record size.
2797 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2799 * cse.c (cse_condition_code_reg): Make it static.
2800 * rtl.h: Remove the prototype for cse_condition_code_reg.
2802 * combine.c (combine_instructions): Make it static.
2803 * rtl.h: Remove the prototype for combine_instructions.
2805 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2808 * tree.c (get_file_function_name_long): Concatenate the first global
2809 object name with a string derived from the input filename of the object
2812 2006-01-16 Ben Elliston <bje@au.ibm.com>
2814 * config/i386/winnt-stubs.c: Update FSF address.
2815 * config/xtensa/ieee754-df.S: Ditto.
2816 * config/xtensa/ieee754-sf.S: Ditto.
2818 2006-01-14 Ian Lance Taylor <ian@airs.com>
2820 * ifcvt.c (noce_init_if_info): New static function, broken out of
2821 noce_process_if_block.
2822 (noce_process_if_block): Call noce_init_if_info.
2823 (check_cond_move_block): New static function.
2824 (cond_move_process_if_block): New static function.
2825 (process_if_block): Call cond_move_process_if_block.
2827 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2829 * cselib.c (hash_table): Rename to cselib_hash_table.
2830 (cselib_clear_table, discard_useless_values,
2831 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2832 cselib_init, cselib_finish): Adjust uses of hash_table.
2834 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2836 PR tree-optimization/25485
2837 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2838 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2839 is known to be false and true, respectively.
2841 2006-01-14 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/22548
2844 PR tree-optimization/22555
2845 PR tree-optimization/22501
2846 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2847 * params.def (salias-max-array-elements): New parameter.
2848 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2849 * doc/invoke.texi (salias-max-array-elements): Document.
2850 * tree-flow-inline.h (var_can_have_subvars): We also handle
2852 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2854 * tree-ssa-structalias.c (params.h): Include.
2855 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2856 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2857 (get_constraint_for): For ADDR_EXPR operating on something
2858 containing an ARRAY_REF, add all subvars to the solution.
2859 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2860 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2861 for creating MUST_DEFs.
2862 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2864 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2866 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2868 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2869 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2870 number_of_iterations_le): New functions.
2871 (number_of_iterations_special): Removed.
2872 (number_of_iterations_exit): Do not use number_of_iterations_special.
2873 * tree.c (unsigned_type_for): Always return integer type.
2875 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2876 Richard Guenther <rguenther@suse.de>
2878 PR rtl-optimization/24257
2879 * gcse.c (find_moveable_store): Only consider a store movable
2880 when the SET_SRC of the insn can be assigned to a register.
2882 2006-01-14 Ian Lance Taylor <ian@airs.com>
2884 * tree.c (tree_not_class_check_failed): New function.
2885 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2886 (tree_not_class_check_failed): Declare.
2888 2006-01-13 Ian Lance Taylor <ian@airs.com>
2890 * reload1.c (do_output_reload): Add assertion rejecting a
2893 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2895 * combine.c (struct reg_stat): Add new fields truncation_label and
2897 (record_value_for_reg): Reset truncated_to_mode.
2898 (record_truncated_value): New function.
2899 (check_promoted_subreg): Call it. Rename to check_conversions.
2900 (combine_instructions): Rename check_promoted_subreg to
2902 (reg_truncated_to_mode): New function.
2903 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2904 (gen_lowpart_or_truncate): New function.
2905 (force_to_mode): Use it instead of gen_lowpart.
2907 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2909 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2910 VAR is a tag, not its type tag.
2912 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2914 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2915 alternatives to match style of other entries.
2916 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2918 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2920 PR tree-optimization/25771
2921 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2924 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2927 * tree-inline.c (declare_return_variable): If the return variable
2928 was marked as a non gimple complex, set the return slot variable
2929 to be a non gimple comple variable.
2931 2006-01-13 Richard Guenther <rguenther@suse.de>
2933 * builtins.c (expand_builtin_sincos): New function.
2934 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2936 (expand_builtin): Expand sincos using expand_builtin_sincos.
2938 2006-01-12 DJ Delorie <dj@redhat.com>
2940 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2941 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2942 so that constant shifts can be split.
2943 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2944 (m32c_valid_pointer_mode): Make static.
2945 (shift_gen_func_for): New.
2946 (m32c_prepare_shift): Use it. Split large const shifts into
2948 * config/m32c/predicates.md (shiftcount_operand): Allow more
2950 (longshiftcount_operand): New.
2951 * doc/md.texi (Machine Constraints): Document In6.
2953 2006-01-13 Ben Elliston <bje@au.ibm.com>
2955 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2956 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2959 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2961 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2962 to try to avoid clobbering pieces of structures when we know
2963 something about the whole structure.
2964 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2966 2006-01-13 Ben Elliston <bje@au.ibm.com>
2968 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2969 return in memory, as this is no limitation is no longer present.
2971 2006-01-12 DJ Delorie <dj@redhat.com>
2973 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2974 mova with fb, and for fb+0 -> An.
2976 * config/m32c/mov.md (peephole2): Fix enabling logic.
2978 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2979 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2980 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2981 FINI_ARRAY_SECTION_ASM_OP): Define.
2983 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2985 (m32c_legitimize_reload_address): New logic to reload FB to An.
2986 (m32c_output_reg_push): Add newline.
2987 (m32c_output_reg_pop): Likewise.
2989 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2991 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2993 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2995 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2997 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2999 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3002 2006-01-11 Ben Elliston <bje@au.ibm.com>
3004 * rtlanal.c (find_reg_note): Assert insn is not null.
3006 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3008 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3011 2006-01-11 Jeff Law <law@redhat.com>
3013 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3015 (mark_threaded_blocks, register_jump_thread): New functions.
3016 (thread_through_all_blocks): Remove unwanted argument. No
3017 longer rely on e->aux to communicate thread target info.
3018 Call mark_threaded_blocks. Release the threaded_blocks
3019 bitmap and threaded_edges vector when complete.
3020 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3021 (threaded_blocks): Remove.
3022 (tree_ssa_dominator_optimize): Remove initialization and
3023 finalization of threaded_blocks. Simplify call to
3024 thread_through_all_blocks.
3025 (thread_across_edge): Call register_jump_thread rather than
3026 storing thread information into e->aux.
3027 (free_all_edge_infos): Simplify now that e->aux is no longer
3028 used to communicate with thread_through_all_blocks.
3029 * tree-flow.h (thread_through_all_blocks): Update prototype.
3030 (register_jump_thread): Prototype.
3032 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3034 * df-core.c (df_compact_blocks, df_bb_replace): Use
3035 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3037 2006-01-11 Richard Guenther <rguenther@suse.de>
3039 PR tree-optimization/25734
3040 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3041 stop propagation after successful propagation to the LHS.
3043 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3045 * basic-block.h (control_flow_graph): Change the type of
3046 x_basic_block_info to VEC(basic_block,gc) *.
3047 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3049 (SET_BASIC_BLOCK): New.
3050 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3051 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3052 * cfgbuild.c (find_basic_blocks): Likewise.
3053 * cfglayout.c (fixup_reorder_chain): Likewise.
3054 * cfgrtl.c (create_basic_block_structure,
3055 rtl_create_basic_block): Likewise.
3056 * ifcvt.c (find_if_case_1): Likewise.
3057 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3060 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3062 * Makefile.in: Removed rotted odf.c entry.
3064 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3067 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3068 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3069 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3070 output pattern modifier, not %e.
3071 * config/cris/cris.c (cris_op_str): Update comment about pattern
3073 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3074 before falling through into...
3075 <case 'E'>: Redefined from old 'e' case.
3077 2006-01-11 Jan Hubicka <jh@suse.cz>
3080 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3082 2006-01-11 Jan Hubicka <jh@suse.cz>
3084 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3085 * i386.c (x86_decompose_lea): Kill.
3086 (ix86_rtx_costs): Kill.
3088 2006-01-11 Jan Hubicka <jh@suse.cz>
3090 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3091 * cgraph.h (cgraph_node): Add inline_decl.
3092 (cgraph_insert_node_to_hashtable): Declare.
3093 (save_inline_function_body): Declare.
3094 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3096 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3097 (cgraph_function_versioning): Update call of tree_function_versioning.
3098 (save_inline_function_body): New function.
3099 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3100 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3101 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3102 (cgraph_default_inline_p): Likewise.
3103 (cgraph_decide_inlining_incrementally): Likewise.
3104 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3105 (copy_bb): Kill saving; do updating of clones.
3106 (copy_cfg_body): Kill saving.
3107 (initialize_inlined-parameters): Likewise.
3108 (expand_call_inline): Likewise.
3110 (tree_function_versioning): New parameter "update_clones".
3111 (inlining_p): Kill saving.
3112 * tree-inline.h (tree_function_versioning): Update prototype.
3113 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3116 2006-01-11 Ian Lance Taylor <ian@airs.com>
3118 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3119 Allow undoing set of machine mode.
3120 (do_SUBST): Use enums instead of is_int.
3121 (do_SUBST_MODE): New function.
3122 (SUBST_MODE): New macro.
3123 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3124 reg and trying to replace reg_regno_rtx with a new register.
3125 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3126 (simplify_set): Use SUBST_MODE.
3127 (distribute_notes): Remove code that tried to update reg notes
3128 for regno_reg_rtx changes.
3130 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3132 PR tree-optimization/23109
3133 PR tree-optimization/23948
3134 PR tree-optimization/24123
3136 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3137 * tree-cfg.c (single_noncomplex_succ): New.
3138 * tree-flow.h (single_noncomplex_succ): Declare it.
3139 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3140 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3141 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3142 insert_bb, register_division_in, insert_reciprocals,
3143 replace_reciprocal, free_bb): New.
3144 (execute_cse_reciprocals_1): Rewritten.
3145 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3146 Do not commit any edge insertion. Always compute dominators and
3147 create the allocation pool.
3148 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3149 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3150 * targhooks.c (default_min_divistions_for_recip_mul): New.
3151 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3152 * passes.c (init_optimization_passes): Run recip after tree loop
3154 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3156 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3157 Kenneth Zadeck <zadeck@naturalbridge.com>
3159 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3160 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3161 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3162 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3163 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3164 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3165 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3166 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3167 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3168 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3169 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3170 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3171 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3172 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3173 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3174 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3175 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3176 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3177 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3178 DF_SCAN_POST_ALLOC): New macros.
3179 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3180 df_free_bb_function, df_local_compute_function, df_init_function,
3181 df_dataflow_function, df_confluence_function_0,
3182 df_confluence_function_n, df_transfer_function,
3183 df_finalizer_function, df_free_function, df_dump_problem_function,
3184 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3185 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3186 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3187 df_urec_bb_info, ) New types.
3188 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3190 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3191 df_analyze_simple_change_some_blocks,
3192 df_analyze_simple_change_one_block, df_compact_blocks,
3193 df_bb_replace, df_bb_regno_last_use_find,
3194 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3195 df_insn_regno_def_p, df_find_def, df_find_use,
3196 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3197 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3198 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3199 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3200 debug_df_chain, df_get_dependent_problem, df_chain_create,
3201 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3202 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3203 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3204 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3205 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3206 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3207 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3208 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3209 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3210 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3211 df_reorganize_refs, df_set_state, df_hard_reg_init,
3212 df_read_modify_subreg_p) New public functions.
3213 * df-core.c: The core dataflow solver and glue routines for rtl
3215 (df_init, df_add_problem, df_set_blocks, df_finish,
3216 df_hybrid_search_forward, df_hybrid_search_backward,
3217 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3218 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3219 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3220 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3221 df_reg_defined, df_find_use, df_reg_used, df_dump,
3222 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3223 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3224 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3225 debug_df_useno, reset_df_after_reload): New functions.
3226 * df-scan.c: The scanning fuctions, once in df.c, completely
3227 rewritten so that they now fully model the functionality of
3228 register usage at the backend.
3229 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3230 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3231 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3232 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3233 df_get_artificial_defs, df_get_artificial_uses,
3234 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3235 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3236 df_refs_delete, df_reorganize_refs, df_set_state,
3237 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3238 df_def_record_1, df_defs_record, df_uses_record,
3239 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3240 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3241 df_record_exit_block_uses, df_hard_reg_init): New functions.
3243 * df-problems.c: Seven concrete dataflow problems that use the
3244 scanning in df-scan.c and are solved by the engine in df-core.c.
3245 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3246 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3247 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3248 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3249 df_ru_free_bb_info, df_ru_alloc,
3250 df_ru_bb_local_compute_process_def,
3251 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3252 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3253 df_ru_transfer_function, df_ru_free, df_ru_dump,
3254 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3255 df_rd_free_bb_info, df_rd_alloc,
3256 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3257 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3258 df_rd_transfer_function, df_rd_free, df_rd_dump,
3259 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3260 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3261 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3262 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3263 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3264 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3265 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3266 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3267 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3268 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3269 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3270 df_urec_mark_reg_use_for_earlyclobber,
3271 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3272 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3273 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3274 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3275 df_chain_create_bb_process_use, df_chain_create_bb,
3276 df_chain_finalize, df_chain_free, df_chains_dump,
3277 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3278 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3279 df_reg_lifetime): New functions.
3280 * df.c: Deleted file.
3281 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3282 consistent with new df api.
3283 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3284 rest_of_handle_sms): Ditto.
3285 * web.c (unionfind_union, union_defs, entry_register, web_main):
3287 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3288 invariant_expr_equal_p, find_defs, check_dependencies,
3289 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3290 free_inv_motion_data, move_loop_invariants): Ditto.
3291 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3292 Update dependencies.
3293 (odf.c): Added defective entry that was deleted later in day.
3294 * sched-deps.c (sched_analyze_1): Ditto.
3296 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3298 * tree-ssa-operands.c (get_expr_operands): Record addressable
3299 variables directly. Do not call add_stmt_operands for CONST_DECLs
3301 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3302 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3304 2006-01-11 Ben Elliston <bje@au.ibm.com>
3306 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3307 function returns true in the positive case.
3309 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3312 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3313 for SI, DI, SF and DF modes. Add alternatives to copy between
3314 general and floating point registers to the 32-bit patterns.
3315 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3316 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3317 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3318 generating 64-bit code.
3319 * config/pa/pa.c (output_move_double): Handle copies between general
3320 and floating registers.
3322 2006-01-10 Stuart Hastings <stuart@apple.com>
3324 * config/i386/i386.md (set_got): Update.
3325 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3326 (builtin_setjmp_receiver): Mach-O support.
3327 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3328 (GOT_SYMBOL_NAME): Define.
3329 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3330 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3331 * config/i386/i386.c (override_options): Revise for Darwin.
3332 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3333 support. (darwin_x86_file_end): New. (output_set_got): Add label
3334 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3335 * config/i386/i386-protos.h (output_set_got): Likewise.
3336 * config/darwin.c (machopic_legitimize_pic_address): Update
3339 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3341 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3342 when MODE isn't BLKmode.
3344 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3346 PR rtl-optimization/25367
3347 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3349 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3352 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3353 for a negative bound.
3355 2006-01-10 Richard Guenther <rguenther@suse.de>
3357 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3358 Never override with anything constraint.
3360 2006-01-10 Jan Beulich <jbeulich@novell.com>
3362 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3363 256 bits when optimize_size.
3365 2006-01-10 Jan Beulich <jbeulich@novell.com>
3367 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3369 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3370 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3373 2006-01-10 Ben Elliston <bje@au.ibm.com>
3375 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3377 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3378 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3379 (USE_FP_FOR_ARG): Reject decimal float modes.
3380 (function_arg_advance): Likewise.
3381 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3382 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3383 point types in AltiVec vectors.
3384 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3385 (rs6000_libcall_value): Likewise.
3387 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3389 * config/xtensa/ieee754-df.S: New file.
3390 * config/xtensa/ieee754-sf.S: New file.
3391 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3392 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3393 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3395 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3397 * config/sh/predicates.md (binary_float_operator,
3398 binary_logical_operator, commutative_float_operator,
3399 equality_comparison_operator, greater_comparison_operator,
3400 less_comparison_operator, logical_operator,
3401 noncommutative_float_operator, shift_operator,
3402 symbol_ref_operand, unary_float_operator): Remove redundant
3405 2006-01-09 Jeff Law <law@redhat.com>
3407 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3408 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3409 now unused arguments. Callers updated.
3410 (eliminate_redundant_computations): Remove now unused arguments,
3412 (local_fold): Remove, no longer used.
3413 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3415 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3416 (simplify_cond): New function.
3417 (forward_propagate_into_cond): Call simplify_cond.
3419 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3421 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3422 (*vec_extractv2di_1_sse): New.
3424 2006-01-09 Ben Elliston <bje@au.ibm.com>
3426 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3428 2006-01-08 Richard Guenther <rguenther@suse.de>
3430 * tree-ssa-structalias.c (get_constraint_for): Remove
3432 (get_constraint_for_component_ref): Likewise.
3433 (do_deref): Likewise.
3434 (get_constraint_for): Likewise.
3435 (do_structure_copy): Likewise.
3436 (handle_ptr_arith): Likewise.
3437 (find_func_aliases): Likewise. Remove unused need_anyoffset
3440 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3441 Kaz Kojima <kkojima@gcc.gnu.org>
3443 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3444 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3445 (EXTRA_CONSTRAINT_C16): Remove.
3446 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3447 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3448 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3449 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3450 constants of SHmedia. Handle nested constant expressions of
3452 (andcosts): Fix the costs for SHmedia constants.
3453 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3454 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3455 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3456 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3457 (movv4hi_i, movv2si_i): Likewise.
3458 (movsi_const): Adjust the second operand of ior so to match with
3460 (movdi_const, movdi_const_32bit): Likewise.
3461 (movdi_const_16bit+1): Don't sign-extend LOW.
3462 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3464 (*double_shori): Fix the split condition. Use GEN_INT instead
3465 of get_int_mode calls. Mask lower 16-bit of the argument of
3467 (sym2GOTPLT): Remove.
3468 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3470 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3471 instead of EXTRA_CONSTRAINT_C16.
3473 2006-01-07 Ian Lance Taylor <ian@airs.com>
3474 David Edelsohn <edelsohn@gnu.org>
3476 PR rtl-optimization/25662
3477 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3478 for constant operands instead of simplify_gen_binary.
3479 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3480 after trying simplify_binary_operation
3482 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3484 * tree.c (iterative_hash_expr): Hash decls based on UID.
3486 2006-01-06 Eric Christopher <echristo@apple.com>
3488 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3489 (TARGET_UNWIND_EMIT): Fix spelling.
3490 * target.h (gcc_target): Add except_table_label.
3491 * except.c (output_function_exception_table): Use.
3492 * varasm.c (default_emit_except_table_label): New.
3493 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3495 (asm_out): Add here.
3496 * output.h (default_emit_except_table_label): Prototype.
3497 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3498 * config/darwin.c (darwin_emit_except_table_label): Define.
3499 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3501 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3503 PR tree-optimization/18527
3504 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3505 number_of_iterations_special, number_of_iterations_exit):
3506 Move base and step of an iv to a single structure. Add
3507 no_overflow flag, and use it in # of iterations analysis.
3508 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3509 folded_casts argument.
3510 (simple_iv): Pass base and step in a structure. Set no_overflow
3512 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3513 Evaluate expensiveness of computing # of iterations instead of
3514 the final expression.
3515 * tree-scalar-evolution.h (affine_iv): New structure.
3516 (simple_iv): Declaration changed.
3517 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3518 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3519 find_givs_in_stmt): Changed due to simple_iv change.
3521 2006-01-06 Jeff Law <law@redhat.com>
3524 * tree-cfg.c (bsi_replace): Rename final argument from
3525 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3526 change (stmt -> orig_stmt).
3527 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3528 (bsi_remove): Add new argument. Remove EH information
3530 (verify_eh_throw_table_statements): New function.
3531 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3533 * tree-optimize.c (execute_free_cfg_annotations): Verify
3534 the EH throw statement table after removing annotations.
3535 * except.h (verify_eh_throw_table_statements): Prototype.
3536 * tree-flow.h (bsi_remove): Update prototype.
3537 * tree-vrp.c (remove_range_assertions): Add new argument to
3539 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3540 * tree-complex.c (expand_complex_div_wide): Likewise.
3541 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3542 * tree-tailcall.c (eliminate_tailcall): Likewise.
3543 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3544 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3545 * tree-nrv.c (tree_nrv): Likewise.
3546 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3547 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3548 (combine_blocks): Likewise.
3549 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3550 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3551 (cleanup_control_flow): Likewise.
3552 (remove_forwarder_block): Likewise.
3553 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3554 * tree-sra.c (sra_replace): Likewise.
3555 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3556 (forward_propagate_single_use_vars): Likewise.
3557 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3558 * tree-inline.c (expand_call_inline): Likewise.
3559 * tree-vect-transform.c (vect_transform_loop): Likewise.
3560 * tree-outof-ssa.c (rewrite_trees): Likewise.
3561 * tree-cfg.c (make_goto_expr_edges): Likewise.
3562 (cleanup_dead_labels): Likewise.
3563 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3564 (bsi_move_before, bsi_move_after): Likewise.
3565 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3566 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3568 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3571 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3573 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3574 on non gimple variables. Also add checks at the top for decls and
3576 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3578 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3579 and IMAGPART_EXPR for creating MUST_DEFs.
3580 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3581 and NAME_MEMORY_TAG separately from the DECLs.
3583 2006-01-06 Richard Guenther <rguenther@suse.de>
3585 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3586 annotation, if necessary.
3587 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3588 redundant calls to update_stmt.
3589 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3592 2006-01-05 Richard Henderson <rth@redhat.com>
3594 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3596 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3598 * c-typeck.c: Update copyright date.
3600 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3602 * c-typeck.c (build_c_cast): Always warn when casting
3603 from a pointer to an integer of different size, even if
3604 the node was constant.
3606 2006-01-05 Richard Guenther <rguenther@suse.de>
3608 PR tree-optimization/22555
3609 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3610 if one structure field is an array.
3611 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3612 operands even if we found a subvar, but ignore VOPs in this
3614 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3616 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3618 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3621 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3623 2006-01-05 Richard Guenther <rguenther@suse.de>
3624 Diego Novillo <dnovillo@redhat.com>
3626 * tree-pass.h (TODO_remove_unused_locals): Define.
3627 * gimple-low.c (expand_var_p, remove_useless_vars,
3628 pass_remove_useless_vars): Remove. Update all users.
3629 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3630 (remove_unused_locals): New function.
3631 * tree-flow.h (remove_unused_locals): Declare.
3632 * passes.c (execute_todo): Call remove_unused_locals if
3633 TODO_remove_unused_locals is set.
3634 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3635 * tree-ssa-dce.c (pass_dce): Likewise.
3636 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3638 2006-01-05 Richard Guenther <rguenther@suse.de>
3640 * tree-flow.h (struct fieldoff): Decompose field to
3641 type, size and decl.
3642 * tree-ssa-alias.c (create_sft): Take type as parameter.
3643 (create_overlap_variables_for): Store type, size and decl
3644 in the fieldoff structure.
3645 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3647 (push_fields_onto_fieldstack): Likewise.
3648 (create_variable_info_for): Likewise. Use offset for the
3649 SFT name if the decl is not available.
3651 2006-01-04 Paul Brook <paul@codesourcery.com>
3653 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3655 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3657 * lambda-code.c (can_put_in_inner_loop): Relax
3659 (can_put_after_inner_loop): New function.
3660 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3661 (perfect_nestify): Change to make copies and modify uses.
3663 2006-01-04 Richard Henderson <rth@redhat.com>
3665 Merge from gomp branch:
3666 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3667 via integer constant.
3668 (pragma_lex): Remove.
3669 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3670 rather than parsing it.
3671 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3672 handle_pragma_extern_prefix): Add %< %> quotes.
3673 (registered_pragmas): New.
3674 (c_register_pragma_1): New.
3675 (c_register_pragma): Use it.
3676 (c_register_pragma_with_expansion): Likewise.
3677 (c_invoke_pragma_handler): New.
3678 (init_pragma): Use cpp_register_deferred_pragma directly for
3680 * c-pragma.h (enum pragma_kind): New.
3681 (pragma_handler): New.
3682 (c_invoke_pragma_handler): Declare.
3683 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3685 * c-common.h (c_common_pch_pragma): Update decl.
3686 * Makefile.in (c-parser.o): Update dependencies.
3687 (GTFILES): Add c-pragma.h.
3688 * c-parser.c (struct c_token): Add pragma_kind.
3689 (struct c_parser): Add in_pragma.
3690 (c_lex_one_token): Always initialize keyword and pragma_kind.
3691 Extract data for CPP_PRAGMA.
3692 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3693 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3694 Don't allow CPP_PRAGMA_EOL if in_pragma.
3695 (c_parser_consume_pragma): New.
3696 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3697 (c_parser_skip_to_end_of_parameter): Likewise.
3698 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3699 (c_parser_skip_to_pragma_eol): New.
3700 (c_parser_external_declaration): Handle CPP_PRAGMA.
3701 (c_parser_compound_statement_nostart): Likewise.
3702 (c_parser_statement_after_labels): Likewise.
3703 (c_parser_pragma): New.
3704 (pragma_lex): Likewise.
3705 (c_parser_pragma_pch_preprocess): New.
3706 (c_parser_new): Merge into ...
3707 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3709 2006-01-04 Jeff Law <law@redhat.com>
3712 * tree-cfg.c (bsi_replace): Remove the original statement
3713 from the EH throw statement table.
3715 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3717 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3718 make the prototype extern "C" and add throw ().
3721 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3722 and pos non-negative and pos + len <= 32.
3723 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3724 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3725 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3728 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3729 as well as sizes not multiple of component size.
3732 * function.c (instantiate_expr): New function.
3733 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3734 walk its DECL_VALUE_EXPR with instantiate_expr.
3736 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3737 DW_OP_deref{,_size} if address isn't going to be added.
3739 2006-01-04 Ben Elliston <bje@au.ibm.com>
3741 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3742 * config/fp-bit.c: Likewise.
3744 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3746 * dominance.c: Add comment about why we use DFS numbering
3749 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3750 Richard Henderson <rth@redhat.com>
3752 Merge from gomp-branch:
3753 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3754 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3756 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3758 PR rtl-optimization/25578
3759 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3760 pass a parameter to simplify_shift_const if changing ASHIFTRT
3763 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3765 * builtins.c (get_builtin_sync_mem): New function.
3766 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3767 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3768 Call get_builtin_sync_mem to generate mem rtx.
3770 2006-01-03 Richard Guenther <rguenther@suse.de>
3773 * stmt.c (add_case_node): Make sure to clear overflow flags
3776 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3778 Merge from gomp-branch.
3779 * config/sparc/sync.md: New file.
3780 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3781 UNSPECV_LDSTUB): New constants.
3782 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3783 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3784 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3787 2006-01-03 Roger Sayle <roger@eyesopen.com>
3789 * combine.c (reg_subword_p): New predicate to test whether the
3790 destination of a set refers to a subword/piece of a register.
3791 (try_combine): Generalize the code to merge the setting of a
3792 pseudo to a constant followed by a set of a subword of that
3793 register to a constant.
3795 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3797 * basic-block.h (control_flow_graph): Change the type of
3798 x_label_to_block_map to VEC(basic_block,gc) *.
3799 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3800 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3802 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3803 VEC(basic_block,heap) *.
3804 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3805 ssa_prop_fini): Adjust the uses of cfg_blocks.
3807 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3809 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3811 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3812 hashing trees instead of a pointer hash.
3813 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3814 compare for MEM_EXPR.
3816 PR rtl-optimization/25130
3817 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3818 when comparing MEMs for GCSE
3820 2006-01-03 Ben Elliston <bje@au.ibm.com>
3822 * targhooks.h (default_decimal_float_supported_p): Declare.
3823 * targhooks.c (default_decimal_float_supported_p): Define.
3824 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3825 `default_decimal_float_supported_p'.
3826 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3828 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3830 * combine.c (apply_distributive_law <SUBREG>): Check
3831 TRULY_NOOP_TRUNCATION.
3833 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3835 * dwarf2out.c (have_switched_text_section): Delete.
3836 (have_multiple_function_sections): New.
3837 (have_location_lists): Make 'bool'.
3838 (add_AT_loc_list): Use 'true' not '1'.
3839 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3840 (output_loc_list): Use have_multiple_function_sections.
3841 (output_ranges): Likewise.
3842 (dwarf2out_begin_function): Set have_multiple_function_sections if
3844 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3845 Check function_section rather than DECL_SECTION_NAME.
3846 (dwarf2out_finish): Use have_multiple_function_sections.
3847 Don't clear have_location_lists.
3849 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3850 Jan Hubicka <jh@suse.cz>
3852 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3853 case of conditional jump jumping to the next instruction.
3854 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3855 cases of conditional jump jumping to the next instruction.
3857 2006-01-02 Jan Hubicka <jh@suse.cz>
3859 * i386.c (*_cost): Add COSTS_N_INSNS.
3860 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3862 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3865 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3867 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3869 * config/arm/arm.c (all_fpus): Fix comment typo.
3870 * config/darwin.c: Likewise.
3871 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3872 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3873 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3875 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3877 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3878 (rs6000_split_compare_and_swapqhi): New.
3879 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3880 (sync_compare_and_swapqhi_internal): New.
3881 * config/rs6000/rs6000-protos.h: Declare.
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