1 2006-06-26 DJ Delorie <dj@redhat.com>
3 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6 Jayant Sonar <jayants@kpitcummins.com>
7 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10 (subsi3, subsi3_1, subsi3_2): New.
11 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
12 * config/m32c/mov.md (SI mov peephole): New.
13 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
14 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
16 2006-06-26 Olivier Hainque <hainque@adacore.com>
18 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
19 a CALL_EXPR target function declaration.
21 2006-06-26 Richard Guenther <rguenther@suse.de>
23 * tree.c (build_string): Do not waste tail padding in
26 2006-06-26 Richard Guenther <rguenther@suse.de>
28 * ggc-page.c (init_ggc): Add missing element to size_lookup
32 2006-06-23 Richard Guenther <rguenther@suse.de>
34 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
35 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
36 alignment requests instead. Add verification code.
37 Add struct tree_function_decl and struct tree_binfo size to
38 extra_order_size_table. Add missing element to size_lookup
41 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
44 * fold-const.c (const_binop): Be prepared for self returning zero.
45 Simplify code handling complex values.
47 2006-06-24 Olivier Hainque <hainque@adacore.com>
49 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
50 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
53 2006-06-24 Olivier Hainque <hainque@adacore.com>
55 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
56 ARRAY_REF, so have the callback called for the low bound expression.
58 2006-06-23 Janis Johnson <janis187@us.ibm.com>
60 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
61 * c-typeck.c (c_common_type): Disallow operations on decimal float
62 types and other float types.
63 * convert.c (convert_to_real): Don't ignore conversions involving
66 2006-06-23 Olivier Hainque <hainque@adacore.com>
68 * tree.c (max_int_size_in_bytes): New function, inspired from
69 code in function.c:assign_temp.
70 * tree.h (max_int_size_in_bytes): Declare.
71 * function.c (assign_temp): Use it.
72 * gimplify.c (create_tmp_var): Relax the assertions on the type
73 properties, not mandating constant size any more.
74 (force_constant_size): New static function.
75 (gimple_add_tmp_var): Use it, forcing variable size to a
76 constant upper bound if it is not constant on entry.
78 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
81 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
82 for initialization and setting of one_only flag to ...
83 (i386_pe_encode_section_info): ...here.
84 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
85 Recheck that the symbol has not been defined.
87 2006-06-23 Richard Guenther <rguenther@suse.de>
89 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
90 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
91 alignment requests instead. Add verification code.
92 Add struct tree_function_decl and struct tree_binfo size to
93 extra_order_size_table. Add missing element to size_lookup
96 2006-06-22 Roger Sayle <roger@eyesopen.com>
97 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
100 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
101 call to lang_hooks.types.type_for_mode returned NULL_TREE.
103 2006-06-23 Ben Elliston <bje@au.ibm.com>
105 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
106 negate dn -- manipulate it directly.
108 2006-06-22 Roger Sayle <roger@eyesopen.com>
109 Steven Bosscher <stevenb.gcc@gmail.com>
112 * reload1.c (gen_reload): Call mark_jump_label on the new insns
113 generated by gen_move_insn to add REG_LABEL notes if necessary.
115 2006-06-22 Bob Wilson <bob.wilson@acm.org>
117 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
118 (leaf_entry): Remove use of MIN_ESA.
120 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
122 PR rtl-optimization/28121
123 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
126 2006-06-21 DJ Delorie <dj@redhat.com>
128 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
130 (mulhisi3_r): Likewise.
132 2006-06-21 Richard Sandiford <richard@codesourcery.com>
135 * coverage.c (coverage_counter_alloc): Leave the index type
137 (coverage_counter_alloc): Use null arguments for operands 2 and 3
140 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
142 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
143 section from the "Options for Code Generation Conventions".
145 2006-06-21 Richard Henderson <rth@redhat.com>
149 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
151 (global_symbolic_operand): Allow weak symbols, even if local_p.
153 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
155 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
156 (find_interesting_uses_address): Punt if above function returns true.
158 2006-06-21 Richard Guenther <rguenther@suse.de>
160 * configure: Regenerated.
162 2006-06-21 Joseph Myers <joseph@codesourcery.com>
164 * config/mips/mips.c (function_arg): Where one part of a
165 complex argument is in registers and the other part in the stack,
166 return a REG not a PARALLEL.
168 2006-06-21 Mark Mitchell <mark@codesourcery.com>
170 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
171 when cross-compiling. Do not substitute libstdcxx_incdir.
172 * configure: Regenerated.
174 2006-06-21 Jakub Jelinek <jakub@redhat.com>
176 * varasm.c (mergeable_string_section): Check for embedded NULs and
177 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
178 rather than TREE_STRING_LENGTH bytes.
180 2006-06-21 Richard Guenther <rguenther@suse.de>
182 * ggc-page.c (extra_order_size_table): Add var_ann_d,
183 tree_ssa_name, bitmap_element and phi_node with 4 arguments
186 2006-06-21 Richrad Guenther <rguenther@suse.de>
188 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
189 Limit iteration over the dominators.
191 2006-06-20 Roger Sayle <roger@eyesopen.com>
193 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
194 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
196 2006-06-20 Richard Guenther <rguenther@suse.de>
197 Michael Matz <matz@suse.de>
199 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
201 * alloc-pool.c (free_alloc_pool_if_empty): New function.
202 * et-forest.h (et_free_pools): Prototype new function.
203 * et-forest.c (et_free_tree_force): Free parent occurrence.
204 (et_free_pools): New function.
205 * dominance.c (free_dominance_info): Free et-forest alloc
208 2006-06-20 Roger Sayle <roger@eyesopen.com>
210 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
211 integer modes, attempt to directly construct an integer constant.
213 * fold-const.c (native_encode_vector): Determine the size of each
214 element from the vector type instead of the first vector element.
216 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
217 if all of its elements/components are constant.
218 (build_constructor_from_list): Likewise.
220 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
222 PR tree-optimization/27331
223 * tree-data-ref.c (free_data_ref): New function.
224 (create_data_ref): Fail if the data reference has unknown access
226 (free_data_refs): Use free_data_ref.
228 2006-06-19 Andrew Pinski <pinskia@gmail.com>
231 * tree-inline.c (setup_one_parameter): Strip useless
232 type conversion before adding it to the IR.
233 (declare_return_variable): Likewise.
235 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
238 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
240 2006-06-19 Mike Stump <mrs@apple.com>
242 * tree.c (variably_modified_type_p): VM arguments don't make the
245 2006-06-19 Richard Guenther <rguenther@suse.de>
247 * tree-ssa-pre.c (try_combine_conversion): Strip useless
248 type conversions after folding.
250 2006-06-19 Richard Guenther <rguenther@suse.de>
252 * ggc-page.c (extra_order_size_tab): Add entries with
253 size of struct function and basic_block.
254 (size_lookup): Extend to cover sizes up to 511.
255 (ggc_alloc_stat): Adjust user.
256 (ggc_pch_count_object): Likewise.
257 (ggc_pch_alloc_object): Likewise.
258 (ggc_pch_write_object): Likewise.
260 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
262 * tree-ssa-loop-niter.c (implies_ge_p): New function.
263 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
266 2006-06-19 Denis Chertykov <denisc@overta.ru>
268 * config/avr/libgcc.S : Correct my wrong previous commit.
270 2006-06-19 Roger Sayle <roger@eyesopen.com>
273 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
274 have stripped a SUBREG from the shift count, so we may need to
275 convert_to_mode back to the type's mode before calling make_tree.
276 Use new_amount instead of amount to avoid expanding a tree twice.
278 2006-06-19 Richard Guenther <rguenther@suse.de>
281 * fold-const.c (operand_equal_p): Check if the argument types
282 have the same precision before stripping NOPs.
284 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
286 Fix PR tree-optimization/27341
287 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
289 * tree-complex.c (pass_lower_complex): Update SMT usage.
291 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
293 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
294 Add a new alternative to the constraint strings. Add move of
295 operand 1 to 3 to the splitter definition.
296 ("doloop_si_long"): Second contraint alternative removed.
298 2006-06-08 Anatoly Sokolov <aesok@post.ru>
300 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
301 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
303 (AVR_HAVE_MOVW) Define.
304 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
305 (ASM_SPEC): Add avr25.
306 (LINK_SPEC): Add avr25.
307 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
308 (base_arch_s): Add new member 'have_movw_lpmx'.
309 (avr_arch_types): Init 'have_movw_lpmx'.
310 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
311 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
312 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
313 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
314 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
316 (avr_file_start): Do not output '.arh' derective.
317 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
318 (__do_copy_data): Use __AVR_HAVE_LPMX__.
319 * config/avr/avr.md (mcu_enhanced): Delete.
320 (mcu_have_movw): Define.
321 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
322 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
323 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
324 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
325 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
326 attiny861 and at86rf401 devices.
328 2006-06-18 Jie Zhang <jie.zhang@analog.com>
330 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
333 2006-06-17 Karl Berry <karl@gnu.org>
335 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
336 doc/gccint.texi, doc/install.texi (@dircategory): Use
337 "Software development" instead of "Programming", following
338 the Free Software Directory.
340 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
342 * config/i386/i386.c (legitimate_tls_address)
343 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
344 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
345 (*tls_dynamic_gnu2_combine_64): Likewise.
347 2006-06-16 Richard Guenther <rguenther@suse.de>
350 * fold-const.c (negate_expr_p): Do not introduce undefined
351 overflow in negating INTEGER_CSTs.
352 (fold_negate_expr): Rename from negate_expr. Revert last
353 change for folding BIT_NOT_EXPR. Change semantics to
354 return NULL_TREE for non-simplified negations. Do not
355 strip type conversions and unify type handling.
356 (negate_expr): New function, wrap around fold_negate_expr
357 but ensure building a tree always. Strip type conversions
358 here, fold to result type.
359 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
361 2006-06-16 Roger Sayle <roger@eyesopen.com>
364 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
365 that (would) return their results in stack registers.
367 2006-06-16 Michael Matz <matz@suse.de>
368 Richard Guenther <rguenther@suse.de>
370 * fold-const.c (fold_truthop): Only return new tree node if
371 we canonicalized something.
373 2006-06-16 Richard Guenther <rguenther@suse.de>
375 * function.h (enum function_frequency): Move declaration
376 out of struct function.
377 (struct function): Move bool fields and the enum to the bitfield
378 section. Reorder elements to avoid padding. Remove unused
379 fields left over from the RTL inliner removal.
380 * function.c (free_after_compilation): Do not zero removed fields.
381 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
382 (ipa-type-escape.o): Likewise.
384 2006-06-16 Richard Guenther <rguenther@suse.de>
386 * cgraph.h (struct cgraph_local_info): Turn bool elements
388 (struct cgraph_node): Likewise.
389 (struct cgraph_varpool_node): Likewise.
391 2006-06-15 Richard Guenther <rguenther@suse.de>
393 * fold-const.c (fold_truth_not_expr): Rename from
394 invert_truthvalue. Give it fold_* semantics to avoid
396 (invert_truthvalue): New function. Wrapper around
398 (optimize_minmax_comparison): Avoid creating garbage.
399 (fold_unary): Use fold_truth_not_expr for folding
401 (fold_ternary): Replace uses of invert_truthvalue with
402 fold_truth_not_expr where applicable.
403 * tree.h (fold_truth_not_expr): Prototype.
405 2006-06-16 Richard Guenther <rguenther@suse.de>
407 PR tree-optimization/27781
408 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
409 * ipa-pure-const.c (target.h): Include.
410 (analyze_function): Do not analyze functions that do not
413 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
416 * tree-dfa.c (referenced_vars_dup_list): Remove.
417 (find_referenced_vars): Remove assert.
418 (referenced_var_check_and_insert): Replace dup list with assert.
419 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
420 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
422 2006-06-15 Richard Guenther <rguenther@suse.de>
424 * tree-ssa-structalias.c (alias_get_name): Avoid creating
425 extra unused identifiers if not dumping.
426 (create_variable_info_for): Likewise.
428 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
430 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
431 (derive_constant_upper_bound): Derive more precise upper bound in
432 common cases. Return type changed to double_int.
433 (record_estimate): Reflect the changed return type of
434 derive_constant_upper_bound.
435 * double-int.c (double_int_zext, double_int_sext): Fix.
437 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
439 * configure.ac (CFLAGS): Get them from the toplevel or from the
440 configure invocation.
441 * configure: Regenerate.
442 * Makefile.in (CFLAGS): Substitute value provided by configure.
444 2006-06-14 Mark Mitchell <mark@codesourcery.com>
447 * c-common.h (c_finish_omp_atomic): Adjust declaration.
448 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
449 rather than calling add_stmt on it.
450 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
452 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
455 * reload1.c (reload): Remove registers returned by update_eliminables
456 from used_spill_regs.
458 2006-06-13 DJ Delorie <dj@redhat.com>
460 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
462 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
464 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
465 html__strip_dir, html__mkdir_p. Enhance install-html target.
466 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
467 * configure: Regenerate.
469 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
471 * fold-const.c (fold_cond_expr_with_comparison): Check for
472 Objective-C++ as language in deciding COND_EXPR transformation.
474 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
477 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
478 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
479 * config/sh/lib1funcs.h (SL, SL1): Define.
480 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
481 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
482 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
483 (OBJS_Os_4_200): New variable.
484 ($(T)libgcc-Os-4-200.a): Use it.
485 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
486 when dividing 1 and/or by 0.
488 2006-06-13 Roger Sayle <roger@eyesopen.com>
490 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
491 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
492 * configure: Regenerate.
494 2006-06-13 Jie Zhang <jie.zhang@analog.com>
496 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
497 for real instruction.
499 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
502 * haifa-sched.c (check_cfg): Handle special case.
504 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
507 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
508 Add debug_info parameter. Chain the vars to the BLOCK instead
509 of the BIND_EXPR if debug info are requested for them.
510 (pop_gimplify_context): Adjust for above change.
511 (gimple_add_tmp_var): Likewise.
512 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
514 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
515 (convert_local_reference): Likewise.
516 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
517 (finalize_nesting_tree_1): Request that debug info be emitted
520 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
522 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
525 2006-06-13 Richard Guenther <rguenther@suse.de>
528 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
530 2006-06-13 Richard Guenther <rguenther@suse.de>
532 PR tree-optimization/27830
533 * tree-inline.c (copy_body_r): For copying the operand
534 of an ADDR_EXPR make sure to fold &* afterwards.
536 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
538 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
539 lvalues in the fb_none case with side-effects.
541 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
543 * tree-flow.h: Remove the prototype for
544 compute_phi_arg_on_exit.
545 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
546 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
549 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
551 * builtins.c (expand_builtin_return_addr): Only use
552 frame_pointer_rtx when count == 0 and we are expanding
553 __builtin_return_address.
555 2006-06-12 Fred Fish <fnf@specifix.com>
557 * config/mips/mips.c (mips_file_start): Create special section
558 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
560 2006-06-11 Eric Christopher <echristo@apple.com>
563 * stor-layout.c (place_field): Remove check for
564 remaining_in_alignment when aligning at the end of a run.
566 2006-06-11 Eric Christopher <echristo@apple.com>
569 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
572 2006-06-11 Roger Sayle <roger@eyesopen.com>
575 Revert incorrect fix for PR target/27158
576 2006-05-08 Roger Sayle <roger@eyesopen.com>
577 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
578 of a reg_equiv_constant if the result is a legitimate constant.
580 2006-06-11 Roger Sayle <roger@eyesopen.com>
583 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
584 extract a CONST_VECTOR element and interpret it as an integer.
585 (vspltis_constant): Use const_vector_elt_as_int instead of the
586 macro CONST_VECTOR_ELT in order to handle FP vector modes.
587 * config/rs6000/predicates.md (easy_vector_const): Consider
588 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
590 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
593 * stor-layout.c (update_alignment_for_field): Don't add extra
594 alignment for packed non-bitfield fields in ms_bitfield_layout_p
597 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
599 * config/mips/t-rtems: Add EL/EB multilib variants.
601 2006-06-09 Mike Stump <mrs@apple.com>
603 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
605 2006-06-09 David Daney <ddaney@avtrex.com>
607 * doc/install.texi: Add binutils version recommendation for mips-*-*.
609 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
611 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
613 2006-06-09 Richard Guenther <rguenther@suse.de>
615 PR tree-optimization/26998
616 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
617 of signed types, only TYPE_MIN_VALUE is special, but for both,
618 minimum and maximum value. Likewise VR_ANTI_RANGE is special
619 in this case, as is -fwrapv.
621 2006-06-08 Mike Stump <mrs@apple.com>
624 * config/darwin.c (darwin_asm_output_anchor): Disable
625 -fsection-anchors on darwin for now.
626 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
627 * rs6000/rs6000.c (optimization_options): Likewise.
629 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
632 * config/i386/i386.c (classify_argument): Skip fields with invalid
635 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
637 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
638 (cse_insn): Likewise for the stack_pointer_rtx.
640 2006-06-08 Roger Sayle <roger@eyesopen.com>
642 * tree-ssa-dom.c (record_conditions): Only record "unordered"
643 conditions from floating point comparisons.
645 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
648 * expmed.c (struct alg_hash_entry): Fix type of field T
649 to match synth_mult argument.
650 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
652 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
655 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
658 2006-06-08 Richard Guenther <rguenther@suse.de>
661 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
662 only, if overflow is defined and not trapping.
663 (negate_expr): Likewise.
665 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
667 PR tree-optimization/27872
668 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
669 flag on the new exit edge of the unrolled loop.
671 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
673 PR rtl-optimization/26449
674 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
676 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
679 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
680 referenced_variables with matching DECL_UID's.
681 (find_referenced_vars): Make sure duplicate list is empty to start.
682 (referenced_var_p): Remove.
683 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
684 Check if var is in the list, and add if needed. Update the duplicate
685 list if a different var is in the list with the same DECL_UID.
686 (add_referenced_var): Call routine to check and insert.
687 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
688 * tree-flow.h (referenced_vars_dup_list): External declaration.
690 2006-06-07 Fred Fish <fnf@specifix.com>
692 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
695 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
698 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
699 the imaginary and real parts of a clobbered register.
700 Emit insn to set the imaginary part.
702 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
704 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
705 in lieu of unwind-dw2-fde.c.
707 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
709 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
711 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
714 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
715 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
716 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
717 V4SImode temporaries and operations instead.
719 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
721 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
724 2006-06-06 Mike Stump <mrs@apple.com>
726 * Makefile.in: Rename to htmldir to build_htmldir to avoid
727 installing during build.
729 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
731 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
733 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
734 * config/ia64/ia64.c (params.h): New header.
735 (ia64_optimization_options): New function to adjust parameters.
736 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
737 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
738 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
740 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
742 * stor-layout.c (debug_rli): Fix a typo in a debug message.
744 2006-06-05 Steve Ellcey <sje@cup.hp.com>
747 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
749 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
750 Victor Kaplansky <victork@il.ibm.com>
752 PR tree-optimization/26360
753 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
756 2006-06-04 Roger Sayle <roger@eyesopen.com>
757 Andrew Pinski <pinskia@physics.uc.edu>
760 * c-common.c (c_common_truthvalue_conversion): Explicitly check
761 for LABEL_DECL before calling DECL_WEAK.
764 * c-typeck.c (build_binary_op): Likewise, explicitly check for
765 LABEL_DECL and PARM_DECL.
767 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
771 * c-decl.c (grokdeclarator): Disallow variably modified types at
772 file scope. Avoid marking shared array type of constant size as
775 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
778 * c-common.c (fold_offsetof_1): Handle static members.
780 2006-06-04 Eric Christopher <echristo@apple.com>
782 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
783 (debug_rli): Output value for remaining_in_alignment.
784 (update_alignment_for_field): Unconditionalize
785 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
786 extra alignment code.
787 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
788 ms_bitfield_layout_p code. Rewrite handling of structure fields.
789 * tree.h (record_layout_info_s): Remove prev_packed.
790 * doc/extend.texi (ms_struct): Add documentation of format.
792 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
794 * tree.h: Declare folding_initializer.
795 * builtins.c (fold_builtin_constant_p): Give definite answer
796 if folding inside an initializer.
797 * fold-const.c: Define folding_initializer.
798 (START_FOLD_INIT): Save and then set folding_initializer.
799 (END_FOLD_INIT): Restore folding_initializer.
801 2006-06-04 Richard Guenther <rguenther@suse.de>
803 PR tree-optimization/27039
804 * fold-const.c (fold_comparison): Handle pointer comparison
805 again for all comparison codes. Compare offsets in signed
807 (fold_binary): Move code from here.
809 2006-06-03 Roger Sayle <roger@eyesopen.com>
812 * config/i386/i386.c (construct_container): Split static issued_error
813 flag into issued_sse_arg_error, issued_sse_ret_error and
814 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
815 requires the use of x87 registers and the user explicitly
816 specified the -mno-80387 command line option.
818 2006-06-02 Geoffrey Keating <geoffk@apple.com>
820 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
821 HAVE_DECL_SIGALTSTACK.
823 (segv_handler): Use MC_FLD.
824 * configure.ac: Check for a sigaltstack declaration.
825 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
826 * configure: Regenerate.
827 * config.in: Regenerate.
829 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
832 * Makefile.in (stmp-fixinc): Fix typo.
834 2006-06-02 Roger Sayle <roger@eyesopen.com>
836 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
837 are type correct. Clean-up.
838 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
839 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
841 2006-06-01 DJ Delorie <dj@redhat.com>
843 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
844 shift, as we've disabled the "switch" insn that needs it.
846 2006-06-01 Per Bothner <bothner@bothner.com>
848 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
849 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
850 * c-ppoutput.c (cb_define): Don't increment line 0.
852 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
854 * doc/invoke.texi: Add cpu_type power6.
855 * config.gcc: Add cpu_type power6.
856 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
857 to power5+ with Altivec.
858 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
859 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
861 2006-05-30 Anatoly Sokolov <aesok@post.ru>
863 * config/avr/avr.h (SET_ASM_OP): Define.
865 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
867 * config/bfin/bfin.c: Fix comment typos.
869 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
872 * doc/install.texi: Document --enable-bootstrap and
875 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
877 * doc/install.texi: Document that InfoZIP can replace jar.
879 2006-05-31 Roger Sayle <roger@eyesopen.com>
881 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
882 isn't available, directly generate the simpler x87 patterns without
883 the (use (const_int 0)).
884 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
885 implementation isn't available.
886 (*negdf2_1): Likewise.
887 (*negxf2_1): XF mode negation is always done using the x87.
888 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
890 2006-05-31 Roger Sayle <roger@eyesopen.com>
892 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
893 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
895 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
897 2006-05-31 Jie Zhang <jie.zhang@analog.com>
899 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
900 * config/bfin/bfin.c (basic-block.h): Include.
901 (struct machine_function): New.
902 (bfin_init_machine_status): New.
903 (override_options): Initialize init_machine_status.
904 (bfin_hardware_loop): New.
905 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
906 (DEF_VEC_P (loop_info)): New.
907 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
908 (struct loop_info): New.
909 (loop_info): New typedef.
910 (struct loop_work): New.
911 (loop_work): New typedef.
912 (DEF_VEC_O (loop_work)): New.
913 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
914 (bfin_dump_loops): New.
915 (bfin_bb_in_loop): New.
916 (bfin_scan_loop): New.
917 (bfin_optimize_loop): New.
918 (bfin_reorg_loops): New.
919 (bfin_reorg): Use bfin_reorg_loops.
920 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
922 (I_REGNO_P): Simplify.
923 (DP_REGNO_P, DPREG_P): New macros.
924 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
925 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
926 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
927 Add LT_REGS, LC_REGS, LB_REGS.
928 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
930 (REGNO_REG_CLASS): Deal with loop registers.
931 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
933 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
934 New constants for loop registers.
935 (UNSPEC_LSETUP_END): New.
936 (seq_insns): New define_attr. Set it for appropriate insns.
937 (movsi_insn): Add alternatives for move from/to
938 loop count registers.
939 (doloop_end): New define_expand.
940 (loop_end): New define_insn.
941 (define_split for bad doloop_end): New.
942 (lsetup_with_autoinit): New define_insn.
943 (lsetup_without_autoinit): New define_insn.
944 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
945 * config/bfin/predicates.md (lc_register_operand): New.
946 (lt_register_operand): New.
947 (lb_register_operand): New.
948 (nondp_register_operand): New.
949 (nondp_reg_or_memory_operand): New.
950 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
952 2006-05-31 Jie Zhang <jie.zhang@analog.com>
954 * config/bfin/bfin.c (bfin_delegitimize_address): New.
955 (TARGET_DELEGITIMIZE_ADDRESS): Define.
957 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
959 * Makefile.in (CATALOGS): Add po/ prefix.
960 * configure: Regenerated.
962 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
965 * arm.c (arm_print_operand case 'S'): Validate that the operand is
966 a shift operand before calling shift_op. Avoid redundant call of
969 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
970 DJ Delorie <dj@redhat.com>
972 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
973 we're inserting is a singlt-bit constant.
975 2006-05-30 Roger Sayle <roger@eyesopen.com>
977 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
978 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
980 2006-05-30 Roger Sayle <roger@eyesopen.com>
982 PR tree-optimization/23452
983 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
984 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
985 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
986 complex values and with -ffast-math for FP complex values.
988 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
990 * c-common.h: Remove the prototype for yyparse.
991 * rtl.h: Remove the prototype for init_loop.
993 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
995 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
998 2006-05-30 Roger Sayle <roger@eyesopen.com>
1000 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1002 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1003 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1005 2006-05-30 Dirk Mueller <dmueller@suse.de>
1008 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1009 for CONSTANT_CLASS_P expresisons.
1011 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1014 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1016 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1018 PR tree-optimization/27779
1019 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1020 initial_condition instead of CHREC_LEFT.
1022 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1024 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1025 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1026 Make prototypes ISO C90.
1028 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1029 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1031 * see.c (see_analyze_one_def): Correct check.
1032 (see_get_extension_data): Check if extension is parallel.
1033 (see_get_extension_reg): Likewise.
1035 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1038 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1039 into register for (code == GTU).
1041 2006-05-29 Roger Sayle <roger@eyesopen.com>
1043 PR tree-optimization/24964
1044 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1045 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1046 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1047 abs(x)*abs(x) as x*x for scalar floating point modes.
1049 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1052 * lambda-code.c (perfect_nestify): Don't copy statements
1053 in the inner loop: move them to the inner loop header.
1055 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1058 * c-tree.texi: Document OpenMP directives and clauses.
1060 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1062 * varasm.c (globalize_decl): Fix indentation.
1064 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1067 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1068 pass_fre, pass_store_ccp, pass_copy_prop,
1069 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1070 pass_return_slot, pass_object_size, pass_lim,
1071 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1072 pass_loop_prefetch and pass_stdarg.
1074 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1076 * config/bfin/bfin.opt (mfdpic): New option.
1077 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1078 (EXTRA_MULTILIB_PARTS): Likewise.
1079 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1080 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1082 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1083 (CRT_CALL_STATIC_FUNCTION): New.
1084 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1086 (CRT_CALL_STATIC_FUNCTION): New.
1087 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1089 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1090 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1091 (initialize_trampoline): Changed to handle FD-PIC code generation.
1092 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1093 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1094 (override_options): Disallow -mid-shared-library -mfdpic combination.
1095 Can't do unaligned ops if FD-PIC.
1096 Turn off flag_pic if trying to generate non-id-shared-library
1097 non-fdpic code, since it's not supported.
1098 (bfin_assemble_integer): New function.
1099 (TARGET_ASM_INTEGER): Define.
1100 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1102 * config/bfin/crtn.s: Restore them.
1103 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1105 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1106 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1107 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1108 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1109 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1111 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1112 FDPIC_REGS and FDPIC_FPTR_REGS.
1113 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1114 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1115 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1116 (load_funcdescsi): New pattern.
1117 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1118 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1119 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1121 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1123 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1126 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1128 * tree-flow.h: Remove the prototype for add_type_alias.
1129 * tree-ssa-alias.c (add_type_alias): Remove.
1131 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1133 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1134 config/fr30/fr30.md, config/i386/i386-interix.h,
1135 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1136 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1137 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1138 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1139 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1140 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1141 Follow spelling conventions.
1142 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1143 Follow spelling conventions.
1145 2006-05-27 Richard Guenther <rguenther@suse.de>
1148 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1149 to produce a constant of value 1 of generic type.
1151 2006-05-27 Dirk Mueller <dmueller@suse.de>
1153 * cgraphunit.c (decide_is_function_needed): Fix wrong
1156 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1158 PR rtl-optimization/27661
1159 * reload.c (find_reloads): When reloading a VOIDmode constant
1160 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1161 use Pmode as mode of the reload register.
1163 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1165 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1166 is enabled at -O and above.
1168 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1171 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1174 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1177 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1178 for anonymous variables explicitly declared by front ends.
1180 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1182 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1183 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1184 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1185 ref-all pointers, run a finalization pass for them.
1186 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1187 (finalize_ref_all_pointers): New function.
1188 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1189 regular pointer type to a ref-all pointer type.
1190 (get_tmt_for): Return the special memory tag for ref-all pointers.
1192 2006-05-25 Richard Guenther <rguenther@suse.de>
1195 * fold-const.c (fold_binary): Do not look at the stripped
1196 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1198 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1200 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1201 for LT and GT if the computed range is effectively empty.
1203 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1206 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1207 mips_quad_format formats instead of ieee_single_format,
1208 ieee_double_format and ieee_quad_format formats, respectively.
1210 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1212 PR tree-optimization/27639
1213 PR tree-optimization/26719
1214 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1215 call to scev_probably_wraps_p.
1216 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1217 used_in_pointer_arithmetic_p, convert_step): Removed.
1218 (nowrap_type_p): New function.
1219 (scev_probably_wraps_p): Rewritten.
1220 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1221 chrec_convert if chrec_convert_aggressive might have been used.
1222 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1223 scev_direction): New functions.
1224 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1225 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1226 instead of convert_step.
1227 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1228 (convert_step): Declaration removed.
1229 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1231 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1233 * df-core.c: Added to header comments.
1234 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1235 df_ur_bb_info, df_urec_bb_info): Added comments.
1236 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1237 urec, ri problems): Fixed header comments.
1238 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1239 code from df_rd_transfer_function.
1241 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1243 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1244 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1245 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1247 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1249 * expr.c (undefined_operand_subword_p): New.
1250 (emit_move_multi_word): Do not generate move from undefined bits
1251 of a paradoxical subreg.
1253 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1255 PR rtl-optimization/27736
1256 * combine.c (replaced_rhs_value): New variable.
1257 (combine_instructions): Set it.
1258 (distribute_notes): When distributing a note in replaced_rhs_insn,
1259 check whether the value was used in replaced_rhs_value.
1261 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1264 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1265 add_referenced_var instead of add_referenced_tmp_var.
1266 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1267 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1269 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1270 tree_optimize_tail_calls_1): Use add_referenced_var.
1271 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1272 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1273 Use add_referenced_var.
1274 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1275 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1276 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1277 Use add_referenced_var.
1278 * tree-dfa.c (struct walk_state): Remove.
1279 (find_referenced_vars): Remove walk state and vars_found hash table.
1280 (make_rename_temp): Use add_referenced_var.
1281 (find_vars_r): Pass less parameters to add_referenced_var.
1282 (referenced_var_p): New. Is var in referenced_var hash table.
1283 (referenced_var_insert): Assert var isn't already in hash table.
1284 (add_referenced_var): Don't need walk_state parameter. Add var if it
1285 isn't already in the hash table.
1286 (add_referenced_tmp_var): Remove.
1287 (find_new_referenced_vars_1): Use add_referenced_var.
1288 * tree-ssa-pre.c (create_expression_by_pieces,
1289 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1290 Use add_referenced_var.
1291 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1292 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1293 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1295 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1296 vect_create_data_ref_ptr, vect_create_destination_var,
1297 vect_init_vector, vect_build_loop_niters,
1298 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1299 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1300 Use add_referenced_var.
1301 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1302 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1303 (add_referenced_var): Add prototype.
1304 * tree-ssa-structalias.c (get_constraint_for,
1305 intra_create_variable_infos): Use add_referenced_var.
1307 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1309 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1310 big-endian paradoxical subregs.
1311 * var-tracking.c (struct micro_operation_def): Document that,
1312 for modify micro operations, insn is the subsequent instruction.
1313 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1314 (var_reg_set, var_mem_set): ... new functions.
1315 (add_stores): Record subsequent insn.
1316 (compute_bb_dataflow): Use new functions for MO_USE.
1317 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1318 notes after the insn, and modify notes before the insn known
1319 to be the subsequent one.
1320 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1322 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1325 * config/i386/i386.c (ix86_expand_builtin): Use
1326 gen_sse3_monitor64 for TARGET_64BIT.
1328 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1330 PR rtl-optimization/26375
1331 PR rtl-optimization/26855
1332 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1334 (df_ru_bb_local_compute): Reversed statements and removed bogus
1335 comment explaining why they should be in wrong order.
1336 (df_ru_dump, df_rd_dump): Enhanced debug info.
1337 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1339 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1340 reaching uses and fixed space problem.
1342 2006-05-23 Jan Hubicka <jh@suse.cz>
1344 * cgraphunit.c (decide_is_function_needed): Also nested functions
1345 and functions declared inline can be optimized out at -O0.
1347 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1349 * doc/install.texi (Configuration): Remove reference to CrossGCC
1353 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1356 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1357 ix86_compare_emitted is non-NULL.
1359 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1362 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1365 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1367 PR rtl-optimization/25514
1368 * combine.c (replaced_rhs_insn): New variable.
1369 (combine_instructions): Set replaced_rhs_insn when trying to replace
1370 a SET_SRC with a REG_EQUAL note.
1371 (distribute_notes): Use replaced_rhs_insn when determining the live
1372 range of a REG_DEAD register.
1374 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1375 Anatoly Sokolov <aesok@post.ru>
1377 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1378 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1379 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1380 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1381 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1382 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1383 at90usb647, at90usb1286 and at90usb1287 devices.
1384 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1385 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1387 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1389 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1391 2006-05-22 Richard Guenther <rguenther@suse.de>
1394 2006-01-31 Richard Guenther <rguenther@suse.de>
1395 Paolo Bonzini <bonzini@gnu.org>
1397 * doc/install.texi (--disable-libgcc-math): Document.
1399 2006-05-22 Richard Guenther <rguenther@suse.de>
1402 2006-01-31 Richard Guenther <rguenther@suse.de>
1404 * doc/invoke.texi (-msselibm): Document.
1405 * target.h (expand_library_builtin): New target hook.
1406 * builtins.c (expand_builtin): Use expand_library_builtin.
1407 (default_expand_library_builtin): New function.
1408 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1409 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1410 (link_gcc_math_spec): Declare.
1411 (static_specs): Add link_gcc_math_spec.
1412 * expr.h (default_expand_library_builtin): Declare.
1413 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1414 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1415 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1416 * config/i386/i386.opt (msselibm): New target option.
1417 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1418 (ix86_init_sse_abi_builtins): New function.
1419 (ix86_expand_library_builtin): Likewise.
1420 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1421 (override_options): Handle error conditions wrt -msselibm.
1422 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1423 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1424 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1427 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1430 * c-common.c (self_promoting_args_p): Skip erroneous args.
1433 * c-decl.c (finish_struct): Skip erroneous fields.
1435 2006-05-22 Nick Clifton <nickc@redhat.com>
1437 * config/cris/cris.opt (march): Remove VarExists attribute.
1438 (max-stackframe=): Likewise.
1440 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1442 * doc/rtl.texi: Fix a typo.
1443 * see.c: Fix comment typos.
1445 * tree-ssa-structalias.h (alias_info): Remove num_references.
1447 2006-05-21 Mike Stump <mrs@apple.com>
1449 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1451 (darwin_pragma_options): Use BAD instead.
1452 (darwin_pragma_unused): Likewise.
1453 (darwin_pragma_ms_struct): Likewise.
1455 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1457 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1459 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1461 PR rtl-optimization/27671
1462 * simplify-rtx.c (simplify_relational_operation_1): Fix
1463 simplifications of (eq/ne (xor x y) y) and
1464 (eq/ne (xor x y) x).
1466 PR tree-optimization/26622.
1467 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1470 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1472 * tree-cfg.c: Prune whitespace.
1473 (debug_tree_cfg): Point to correct header containing the
1476 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1479 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1481 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1484 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1485 or sorry count is non zero.
1487 2006-05-20 Andreas Schwab <schwab@suse.de>
1489 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1491 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1492 Kenneth Zadeck <zadeck@naturalbridge.com>
1494 PR rtl-optimization/26855
1496 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1498 (df_scan_alloc): Added code to properly handle multiword hard
1499 registers and add all_blocks parameter.
1500 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1501 code to properly handle multiword hard registers.
1502 (df_rescan_blocks): Added code to remove deleted blocks from
1504 (df_ref_create_structure, df_ref_record): Added code to properly
1506 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1507 and set DF_REF_PARTIAL.
1508 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1509 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1510 (df_scan_add_problem): Added flags parameter.
1511 (df_ref_create_structure): Changed switching structure.
1512 (df_bb_refs_record): Fixed case where duplicate artificial refs
1513 were created. Changed location of flags.
1514 (df_record_entry_block_defs): Added code to make stack pointer
1515 live in entry block. Refined cases where frame pointer is needed.
1516 Changed location of flags.
1517 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1518 (df_set_state): Removed function.
1519 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1520 df_insn_create_insn_record, df_insn_refs_delete,
1521 df_ref_create_structure): Formatting changes.
1522 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1523 df_delete_basic_block): New function.
1524 (df_init): Changed location of flags.
1525 (df_add_problem): Added flags parameter and the way flags are
1527 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1528 debug_df_chain): Improved debugging output.
1529 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1530 (df_refs_chain_dump): Removed df parameter.
1531 (df_iterative_dataflow): Added consistency check.
1532 (df_prune_to_subcfg): Made public.
1533 (df_analyze_problem): Added blocks_to_init parameter and made
1535 (df_ref_record, df_bb_refs_record, df_mark_reg,
1536 df_record_exit_block_uses): Whitespace changes.
1537 (df_dump): Whitespace changes.
1538 * df.h: Some reordering to remove forward references.
1539 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1540 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1541 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1542 (dataflow.flags): New field.
1543 (df.flag): Deleted field.
1544 (df_alloc_function): Added additional bitmap parameter.
1545 (df_dependent_problem_function): New type.
1546 (df_problem.changeable_flags): New field.
1547 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1548 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1549 (df_mw_hardreg): New struct.
1550 (DF_INSN_UID_MWS): New macro.
1551 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1553 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1554 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1555 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1556 (df_set_state): Removed function.
1557 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1558 * df-problems.c (df_chain_dump): Removed df parameter.
1559 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1560 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1562 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1563 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1564 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1565 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1566 DF_REF_MUST_CLOBBER cases.
1567 (df_ru_bb_local_compute_process_def,
1568 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1569 df_lr_bb_local_compute, df_ur_bb_local_compute,
1570 df_chain_create_bb): Made subreg aware.
1571 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1572 df_lr_bb_local_compute, df_lr_bb_local_compute,
1573 df_chain_create_bb): Cleanup to use proper macros.
1574 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1575 code to fixup bitvectors.
1576 (df_ri_alloc): Cleared lifetime.
1577 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1578 df_create_unused_note): New function.
1579 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1580 REG_DEAD and REG_UNUSED notes as well as register information.
1581 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1582 df_chains_dump): Fixed crash if problem was never run.
1583 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1584 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1585 df_ri_add_problem): Processes flags in uniform manner.
1586 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1587 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1588 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1589 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1590 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1591 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1592 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1593 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1594 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1595 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1596 * see.c (see_initialize_data): Ditto.
1597 * final.c (rest_of_clean_state) Added regstack_completed.
1598 * rtl.h (regstack_completed): Ditto.
1599 * reg-stack.c (regstack_completed): Ditto.
1601 2006-05-19 Mike Stump <mrs@apple.com>
1603 * c-tree.h (default_conversion): Remove.
1604 * c-common.h (default_conversion): Add.
1606 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1608 * tree-vrp.c (valid_value_p): New function.
1609 (adjust_range_with_scev): Fail if the value of bound is not
1612 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1614 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1615 (mips_fallback_frame_state): Use syscall numbers to determine
1616 the appropriate li instruction for the current ABI. Only use
1617 __NR_sigreturn for o32.
1619 2006-05-19 Nicolas Setton <setton@adacore.com>
1621 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1622 * langhooks.c (lhd_dwarf_name): New function.
1623 * langhooks-def.h (lhd_dwarf_name): Declare.
1624 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1625 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1626 * ada/misc.c (gnat_dwarf_name): New function.
1627 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1629 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1631 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1633 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1634 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1635 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1636 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1637 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1638 determine the size of Wtype, etc.
1639 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1640 (swfloatfuncs): New variable.
1641 (dwfloatfuncs): Likewise.
1642 (lib2funcs): Remove floating-point conversion functions from
1643 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1644 the set of conversion routines needed. Allow entries to specify
1645 an object name, filename and word size. Update users accordingly.
1646 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1647 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1651 2006-02-08 Roger Sayle <roger@eyesopen.com>
1654 * config/fixtfdi.c: New libgcc source file.
1655 * config/fixunstfdi.c: New source file.
1656 * config/floatditf.c: New source file.
1657 * config/floatunditf.c: New souce file.
1658 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1659 files above instead of config/mips/_tilib.c.
1660 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1662 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1664 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1665 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1667 2006-05-18 Mike Stump <mrs@apple.com>
1669 Fix up vla, vm and [*] sematics.
1675 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1676 (c_vla_unspec_p): Add.
1677 (c_vla_type_p): Add.
1678 * c-decl.c (struct c_scope): Add had_vla_unspec.
1679 (build_array_declarator): Add support for [*].
1680 (grokdeclarator): Likewise.
1681 (grokparms): Likewise.
1682 (get_parm_info): Likewise.
1683 * c-objc-common.c (c_vla_unspec_p): Likewise.
1684 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1685 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1686 typeof when argument is a variably modified type not inside sizeof or alignof.
1687 (c_parser_direct_declarator_inner): Propagate errors.
1688 (c_parser_sizeof_expression): Add support for [*].
1689 (c_parser_parms_declarator): Initialize had_vla_unspec.
1690 (c_parser_parms_list_declarator): Likewise.
1691 * c-typeck.c (c_vla_type_p): Add.
1692 (composite_type): Add support for vla compositing.
1693 (comptypes_internal): Add support for vla compatibility.
1694 (c_expr_sizeof_expr): Evaluate vla arguments.
1695 * tree.c (variably_modified_type_p): Update comment for [*].
1697 2006-05-18 Michael Matz <matz@suse.de>
1700 * config.host: Make assignments to host_xmake_file cumulative.
1701 * config.host (*-darwin*): Test $host, not $target.
1703 2006-05-12 Stuart Hastings <stuart@apple.com>
1705 * config/i386/i386.opt (-mstackrealign): New flag.
1706 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1707 (ix86_handle_cconv_attribute): Emit error when
1708 force_align_arg_pointer attribute collides with too many regparms.
1709 (ix86_function_regparm): Limit regparms when used with
1710 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1711 Support stack-realigning prologue in non-main functions. Emit
1712 warning for nested functions under -mstackrealign, emit error for
1713 nested functions with force_align_arg_pointer attribute.
1714 * doc/extend.texi (force_align_arg_pointer): Document it.
1715 * doc/invoke.texi (-mstackrealign): Document it.
1717 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1719 PR rtl-optimization/27477
1720 * combine.c (try_combine): Don't split a parallel consisting
1721 of two sets into two individual sets if both sets reference
1724 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1726 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1727 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1729 * doc/options.texi (VarExists): Updated.
1731 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1733 * unwind-dw2.c: Add declarations for uw_update_context and
1735 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1736 detected, advance frame state and context once to skip over stub.
1738 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1742 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1743 Call rewrite_into_loop_closed_ssa only when something changed.
1744 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1745 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1746 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1747 Test for perfect_nest_p here. Fix formating.
1748 (replace_uses_equiv_to_x_with_y): Fix formating.
1749 (stmt_uses_op): Removed.
1750 (can_convert_to_perfect_nest): Removed loopivs parameter.
1751 Complete the test by checking the scalar dependences.
1752 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1755 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1758 From Dan Kegel <dank@kegel.com>:
1759 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1761 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1763 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1764 if the element type is variably modified without recursing.
1766 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1769 * tree-loop-linear.c (try_interchange_loops): Test for
1770 no data dependences.
1772 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1774 PR tree-optimization/27548
1775 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1776 range of ssa names that appear on abnormal edges.
1777 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1778 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1780 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1783 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1785 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1788 * tree.h (OMP_PARALLEL_COMBINED): Define.
1789 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1790 (new_omp_context): Add is_combined_parallel argument.
1791 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1792 new_omp_context caller.
1793 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1794 Adjust gimplify_scan_omp_clauses callers.
1795 (omp_is_private): Issue errors if iteration variable is firstprivate
1796 or reduction in the current context.
1797 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1798 on combined parallel workshare constructs.
1800 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1802 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1803 (gcc-options.o): New rule.
1805 * optc-gen.awk: Protect variables for gcc-options.o with
1806 #ifdef GCC_DRIVER/#endif.
1808 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1810 Fix PR tree-optimization/27373
1811 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1812 (forward_propagate_addr_expr): Update call.
1814 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1816 * doc/options.texi: Move the Negative option.
1818 2006-05-16 Richard Guenther <rguenther@suse.de>
1820 PR tree-optimization/22303
1821 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1823 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1824 ccp_fold did not simplify the statement.
1826 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1829 * Makefile.in (GCC_OBJS): New.
1830 (OBJS-common): Add opts-common.o.
1831 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1832 (cpp$(exeext)): Likewise.
1833 (gcc.o): Also depend on opts.h.
1834 (opts-common.o): New.
1836 * common.opt (gcoff): Add Negative(gdwarf-2).
1837 (gdwarf-2): Add Negative(gstabs).
1838 (gstabs): Add Negative(gstabs+).
1839 (gstabs+): Add Negative(gvms).
1840 (gvms): Add Negative(gxcoff).
1841 (gxcoff): Add Negative(gxcoff+).
1842 (gxcoff+): Add Negative(gcoff).
1843 * config/i386/i386.opt (m32): Add Negative(m64).
1844 (m64): Add Negative(m32).
1846 * doc/options.texi: Document the Negative option.
1848 * gcc.c: Include "opts.h".
1849 (main): Call prune_options after expandargv.
1851 * optc-gen.awk: Generate common declarations for all flag
1852 variables in options.c. Output the neg_index field.
1854 * opts.c (find_opt): Moved to ...
1855 * opts-common.c: Here. New file.
1857 * opts.h (cl_option): Add a neg_index field.
1859 (prune_options): Likewise.
1861 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1864 * omp-low.c (expand_omp_parallel): Don't assert
1865 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1866 instead search for it.
1869 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1872 2006-05-16 Andreas Schwab <schwab@suse.de>
1874 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1877 2006-05-15 Roger Sayle <roger@eyesopen.com>
1880 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1881 integer constants other than zero are only legitimate on TARGET_64BIT.
1882 <CONST_VECTOR> Only zero vectors are legitimate.
1883 (ix86_cannot_force_const_mem): Integral and vector constants can
1884 always be put in the constant pool.
1886 2006-05-16 DJ Delorie <dj@redhat.com>
1888 * crtstuff.c (__dso_handle): Set section from
1889 TARGET_LBIGCC_SDATA_SECTION if defined.
1890 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1891 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1893 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1896 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1899 2006-05-16 Ben Elliston <bje@au.ibm.com>
1901 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1903 2006-05-15 Per Bothner <per@bothner.com>
1905 * tree.c: (last_annotated_node): Use source_locus typedef.
1906 This permits bootstrapping with --enable-mapped-location.
1908 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1910 PR tree-optimization/26830
1911 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1912 (info_for_ssa_name, current_info_for_ssa_name_age,
1913 blocks_to_update): New variables.
1914 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1915 (clear_ssa_name_info, initialize_flags_in_bb,
1916 mark_block_for_update): New functions.
1917 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1918 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1919 prepare_def_site_for): Use mark_block_for_update.
1920 (mark_def_interesting): Assert that the processed block is marked in
1921 blocks_to_update. Do not take blocks argument.
1922 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1924 (rewrite_update_init_block, rewrite_update_stmt): Only process
1925 blocks with statements to rewrite.
1926 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1927 (update_ssa): Initialize and free blocks_to_update. Do not
1928 clear flags on statements. Do not use blocks bitmap.
1929 * tree.h (SSA_NAME_AUX): Removed.
1930 (struct tree_ssa_name): Removed aux field.
1931 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1933 2006-05-15 Richard Guenther <rguenther@suse.de>
1935 PR tree-optimization/27603
1936 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1937 Do computations in original type.
1939 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1941 * see.c: Code style changes such as redundant paranthesis,
1942 redundant intialization of local variables etc.
1943 (see_main): Declared now as static.
1944 * doc/invoke.texi: Update that -fsee is not enabled by
1947 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1949 * omp-low.c (check_omp_nesting_restrictions): New function.
1950 (scan_omp_1): Call it.
1953 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1954 construct, return *VAR.
1956 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1958 PR rtl-optimization/27406
1959 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1962 2006-05-14 Roger Sayle <roger@eyesopen.com>
1964 PR rtl-optimization/27538
1965 * combine.c (expand_compound_operation): Call gen_lowpart
1966 before calling simplify_shift_const.
1968 2006-05-14 Roger Sayle <roger@eyesopen.com>
1970 PR rtl-optimization/22563
1971 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1972 a fixed width bitfield, always force the intermediates into psuedos.
1974 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1977 * mkconfig.sh: Use operator = instead of == for test.
1979 2006-05-13 Nick Clifton <nickc@redhat.com>
1981 * dwarf2out.c (dbx_reg_number): Check return value from
1982 LEAF_REG_REMAP and only use it if it is valid.
1983 (multiple_reg_loc_descriptor): Likewise.
1985 2006-05-13 Richard Guenther <rguenther@suse.de>
1987 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1990 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1992 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1993 information attached to non-INSNs such as NOTEs.
1994 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1996 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1998 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2000 * config/s390/s390.md: Adjust comment describing On constraint.
2002 2006-05-11 Jan Hubicka <jh@suse.cz>
2004 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2005 to be output at -O0.
2007 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2010 * fold-const.c (size_binop): Move sanity check for arguments to
2011 the beginning of the function.
2014 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2017 2006-05-11 Richard Guenther <rguenther@suse.de>
2020 * fold-const.c (fold_unary): Handle intermediate conversion
2021 to a pointer type like intermediate conversion to an integer
2022 type in folding of (T1)(T2)var to var.
2023 Match the code to the comment in the final conversion for
2024 (T1)(T2)var to (T1)var regarding to type precision. Rather
2025 than disallow T1 being of pointer type, assert that both T1
2026 and var are of pointer type or not. Make sure not to fall
2027 over the frontends lazyness wrt array to pointer decay though.
2029 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2031 * arm.c (arm_struct_value_rtx): Delete.
2032 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2033 (arm_init_cumulative_args): Always initialize nregs to zero.
2035 2006-05-10 Richard Guenther <rguenther@suse.de>
2037 PR tree-optimization/27532
2038 * tree-object-size.c (plus_expr_object_size): Fix typo.
2040 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2043 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2044 ashrdi_const, ashrdi3): Use a scratch register.
2046 2006-05-10 Richard Guenther <rguenther@suse.de>
2048 PR tree-optimization/27302
2049 * fold-const.c (operand_equal_p): For two comparisons,
2050 try comparison of one comparison code swapped if that yields
2053 2006-05-10 Ben Elliston <bje@au.ibm.com>
2055 * tree-pretty-print.c (pretty_print_string): No need to handle
2056 '\0' as a special character.
2058 * tree.h: Include "hashtab.h".
2059 (iterative_hash_expr): Use hashval_t in its prototype.
2060 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2062 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2065 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2066 (hppa*64*-*-hpux11*): Ditto.
2067 (hppa[12]*-*-hpux11*): Ditto.
2069 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2072 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2074 2006-05-09 Michael Matz <matz@suse.de>
2076 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2077 host_extra_gcc_objs and host_xmake_file.
2078 (<*-*-linux*>): Don't overwrite host_xmake_file.
2079 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2080 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2081 (host_detect_local_cpu): Declare.
2082 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2083 * config/i386/i386.c (override_options): Handle -mtune=native
2085 * config/i386/x-i386: New file.
2086 * config/i386/driver-i386.c: New file.
2087 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2090 2006-05-09 Dirk Mueller <dmueller@suse.de>
2091 Richard Guenther <rguenther@suse.de>
2094 * fold-const.c (fold_read_from_constant_string): Relax check
2095 for matching types to matching modes.
2097 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2099 PR rtl-optimization/27335
2100 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2103 2006-05-08 Chao-ying Fu <fu@mips.com>
2104 Richard Sandiford <richard@codesourcery.com>
2106 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2107 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2108 * config/mips/mips.md (UNSPEC_SCC): New constant.
2109 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2110 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2111 (mips_emit_compare): Use it.
2112 (mips_expand_vcondv2sf): New function.
2114 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2116 Fix PR tree-optimization/27093
2117 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2118 renaming when they become not-used_alone.
2120 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2122 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2123 relocation and relocation stubs.
2125 2006-05-08 Eric Christopher <echristo@apple.com>
2127 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2130 2006-05-08 Jan Hubicka <jh@suse.cz>
2133 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2134 unused static functions are needed.
2136 2006-05-08 Roger Sayle <roger@eyesopen.com>
2139 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2140 of a reg_equiv_constant if the result is a legitimate constant.
2142 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2145 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2146 standard 80387 constants, raise the cost to prevent
2147 compress_float_constant() to generate load from memory.
2149 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2151 * config/arm/constraints.md (c): Fix a typo.
2153 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2156 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2159 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2161 (_mm_mwait): Likewise.
2163 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2165 (sse3_monitor): Make it 32bit only.
2166 (sse3_monitor64): New. 64bit monitor.
2168 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2171 * config/i386/i386.c (classify_argument): Skip fields with invalid
2174 2006-05-07 Richard Guenther <rguenther@suse.de>
2176 PR tree-optimization/27409
2177 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2178 Do not try to find zero-sized subvars.
2180 2006-05-07 Richard Guenther <rguenther@suse.de>
2182 PR tree-optimization/27136
2183 * tree-ssa-loop-niter.c (get_val_for): Correct function
2184 comment, assert requirements.
2185 (loop_niter_by_eval): Stop processing if the iterated
2186 value did not simplify.
2188 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2190 * opts.c (flag_see): remove its setting at -O3.
2192 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2194 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2195 * arm/constraints.md: New file.
2196 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2197 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2198 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2199 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2200 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2201 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2202 * arm.md: Include constraints.md.
2203 (thumb_movsi_insn): Use satisfies_constraint_J.
2204 (movhi, movqi): Use satisfies_constraint_I.
2206 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2208 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2209 for atmeg a645 device.
2211 2006-05-06 Richard Guenther <rguenther@suse.de>
2213 PR tree-optimization/27151
2214 * tree-vect-transform.c (vectorizable_condition): Punt on
2215 values that have a different type than the condition.
2217 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2220 * c-parser.c (c_parser_cast_expression): Only insert casts into
2221 hash table if pointer.
2222 * function.c (used_types_insert_helper): Rename from
2224 (used_types_insert): Call used_types_insert_helper.
2225 * function.h (used_types_insert): Accept only one argument.
2227 2006-05-05 David Edelsohn <edesohn@gnu.org>
2229 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2230 scratch with output modifier.
2232 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2235 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2236 with output modifier.
2238 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2241 * config/mips/mips.c (mips_symbolic_address_p): Return true
2242 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2243 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2245 2006-05-04 Richard Guenther <rguenther@suse.de>
2247 PR tree-optimization/14287
2248 PR tree-optimization/14844
2249 PR tree-optimization/19792
2250 PR tree-optimization/21608
2251 PR tree-optimization/27090
2252 * tree-ssa-pre.c (try_combine_conversion): New function.
2253 (compute_avail): After constructing the value-handle
2254 expression, use try_combine_conversion to combine NOP_EXPRs
2255 with previous value-handle expressions and use the result if it
2258 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2260 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2262 2006-05-04 Jan Hubicka <jh@suse.cz>
2265 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2267 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2269 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2270 that this only matches CONST_INTs. All users changed to VOIDmode
2273 * config/bfin/bfin.c: Include "optabs.h".
2274 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2276 (enum bfin_builtins): Add a number of fractional and vector builtins.
2277 (bfin_init_builtins): Likewise.
2278 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2279 (safe_vector_operand, bfin_expand_binop_builtin,
2280 bfin_expand_unop_builtin): New functions.
2281 (bfin_expand_builtin): Handle the new builtins.
2282 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2285 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2288 * Makefile.in (OBJS-common): Add see.o.
2289 (see.o): Add dependencies.
2290 * common.opt (fsee): New flag for the see optimization was added.
2291 * opts.c (flag_see): Initialized.
2292 * passes.c (init_optimization_passes, pass_see): New pass.
2293 * rtl.h (see_main): Declaration as extern.
2294 * timevar.def (TV_SEE): New.
2295 * tree-pass.h (pass_see): Declaration as extern.
2296 * invoke.texi (-fsee): Document.
2297 * recog.c (validate_simplify_insn): New function.
2298 * recog.h (validate_simplify_insn): Declaration as extern.
2299 * df-problems.c (df_chain_dump): Check for NULL.
2301 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2302 Daniel Berlin <dberlin@dberlin.org>
2304 * cfgrtl.c (insert_insn_bb_end_new): New function.
2305 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2307 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2309 * df.h (struct web_entry): Moved from web.c.
2310 (union_defs): Declaration as extern.
2311 (unionfind_root): Likewise.
2312 (unionfind_union): Likewise.
2313 * web.c (struct web_entry): Moved to df.h.
2314 (unionfind_root): Remove static declaration.
2315 (unionfind_union): Likewise.
2316 (union_defs): Likewise and generalize to use callback function.
2317 (web_main): Update arguments for union_defs function call.
2319 2006-05-04 Richard Guenther <rguenther@suse.de>
2321 PR tree-optimization/26447
2322 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2323 produce SSA_NAME copies before the store stmt to avoid
2324 breaking exception handling.
2326 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2329 * gimplify.c (omp_is_private): If var is shared in some outer context,
2330 return false instead of true. Stop searching on parallel context
2333 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2336 * coverage.c: Use get_gcov_unsigned_t() instead of
2337 unsigned_type_node all over.
2339 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2341 PR tree-optimization/27381
2342 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2343 maintain the same immediate_use links.
2344 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2345 node rather than segfaulting.
2347 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2350 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2351 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2352 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2354 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2356 Fix PR tree-optimization/26626
2357 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2359 * tree-ssa-operands.c (access_can_touch_variable): Allow
2360 typecasting through union pointers.
2362 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2365 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2366 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2367 to find if var will be a global variable even in the nested context.
2368 (omp_copy_decl): Only check for global variable at the end, it might
2369 be overridden in outer contexts.
2370 (scan_sharing_clauses): For global variables don't create a field.
2371 (lower_rec_input_clauses): Do nothing for global shared variables.
2372 Emit a barrier at the end of ILIST if there were any decls in both
2373 firstprivate and lastprivate clauses.
2374 (lower_send_clauses): Do nothing for global variables except for
2377 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2379 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2380 of the correct signedness is returned.
2382 2006-05-02 Jeff Law <law@redhat.com>
2384 PR tree-optimization/27364
2385 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2386 multiply expressions.
2388 2006-05-02 Tom Tromey <tromey@redhat.com>
2390 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2392 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2395 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2396 -mthumb -fPIC are used.
2398 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2399 Joshua Kinard <kumba@gentoo.org>
2402 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2403 with 64-bit pointers.
2405 2006-05-02 Paul Brook <paul@codesourcery.com>
2407 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2409 (create_fix_barrier): Check that a suitable barrier location is
2411 (arm_reorg): Include ftmp->address in allowable range of addresses.
2413 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2416 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2419 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2422 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2423 around RESULT_DECL for result passed by reference.
2424 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2425 * omp-low.c (use_pointer_for_field): Don't look at
2426 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2427 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2428 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2429 time or var for passing by reference for
2430 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2431 TREE_ADDRESSABLE variables when passing by reference.
2433 * omp-low.c (dump_omp_region): Fix output formatting.
2436 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2437 (expand_omp_parallel): Likewise.
2438 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2441 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2442 on statement list containing also constructors and destructors.
2443 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2446 * except.c (duplicate_eh_regions): Fix clearing of
2447 cfun->eh->region_array entries.
2449 2006-05-01 DJ Delorie <dj@redhat.com>
2451 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2453 (gcc_cv_objdump): Likewise.
2454 * configure: Regenerated.
2456 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2459 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2460 templates for case 3 and 4.
2462 2006-05-01 DJ Delorie <dj@redhat.com>
2464 * vec.c: Include bconfig.h when appropriate.
2465 * Makefile.in (build/vec.o): Adjust dependencies.
2466 * mkconfig.sh: Make sure config.h isn't used for build machine
2469 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2471 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2473 (mark_phi_for_rewrite): New function.
2474 (insert_phi_nodes_for, mark_use_interesting): Call
2475 mark_phi_for_rewrite.
2476 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2477 (update_ssa): Initialize and free phis_to_rewrite.
2479 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2481 PR rtl-optimization/27291
2482 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2483 folded to a constant.
2485 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2487 PR tree-optimization/27283
2488 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2489 not whole # of iteration descriptions.
2490 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2491 uses abnormal ssa name.
2492 (niter_for_single_dom_exit): Ditto.
2493 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2494 return just the number of iterations.
2496 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2498 PR tree-optimization/27144
2499 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2500 (record_estimate): Only record constant upper bound.
2501 (infer_loop_bounds_from_undefined): Call
2502 compute_estimated_nb_iterations just once.
2503 (proved_non_wrapping_p): Renamed to ...
2504 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2505 (convert_step_widening, scev_probably_wraps_p): Call
2506 n_of_executions_at_most instead of proved_non_wrapping_p.
2507 (substitute_in_loop_info): Do not replace values in bounds.
2508 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2511 2006-05-01 Richard Henderson <rth@redhat.com>
2514 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2515 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2518 2006-05-01 Roger Sayle <roger@eyesopen.com>
2520 * c-typeck.c (parser_build_binary_op): Don't call the function
2521 unsigned_conversion_warning to spot operand/result type overflow.
2522 (build_binary_op): Instead, call convert_and_check instead of
2523 convert to report the problem when the operands are promoted.
2524 * c-common.c (unsigned_conversion_warning): Make static.
2525 * c-common.h (unsigned_conversion_warning): Delete prototype.
2527 2006-05-01 Richard Guenther <rguenther@suse.de>
2529 PR tree-optimization/26726
2530 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2532 (find_interesting_uses_address): ... we work around here
2533 by folding INDIRECT_REFs in the substituted base.
2535 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2537 * omp-low.c (dump_omp_region): Add newlines.
2539 2006-04-30 Roger Sayle <roger@eyesopen.com>
2541 * common.opt (Woverflow): New command line option.
2542 * c-common.c (constant_expression_warning): Check warn_overflow.
2543 (overflow_waring): Pass OPT_Woverflow to warning.
2544 (unsigned_conversion_warning): Likewise.
2545 (convert_and_check): Likewise.
2546 * doc/invoke.texi: Document new command line option.
2548 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2550 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2551 TARGET_NO_FP_IN_TOC for section anchors.
2552 (optimization_options): Enable section anchors for all
2553 non-"Objective" languages.
2555 2006-04-28 Eric Christopher <echristo@apple.com>
2557 * config/darwin-c.c (darwin_ms_struct): Move this
2558 (darwin_set_default_type_attributes): and this...
2559 * config/darwin.c: ... here.
2560 * config/darwin.h (darwin_ms_struct): Declare.
2562 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2564 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2566 2006-04-28 Roger Sayle <roger@eyesopen.com>
2569 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2570 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2571 an unsigned HOST_WIDE_INT.
2572 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2574 (really_start_incremental_init): No need to call convert because
2575 bitsize_zero_node is already of type bitsizetype.
2576 (push_init_level): Extract the value of constructor_index as an
2577 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2578 (process_init_element): Likewise.
2580 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2582 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2583 value before passing to make_relative_prefix.
2585 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2588 * builtins.c (expand_builtin_memset): Expand val in original mode.
2590 2006-04-27 Eric Christopher <echristo@apple.com>
2592 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2593 with #ifndef/#endif.
2594 * config/darwin-c.c (darwin_ms_struct): New.
2595 (darwin_pragma_ms_struct): Ditto.
2596 (darwin_set_default_type_attributes): Ditto.
2597 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2598 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2599 Register ms_struct pragma.
2600 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2601 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2602 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2603 darwin_set_default_type_attributes if TARGET_MACHO.
2605 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2607 PR tree-optimization/26854
2608 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2609 * doc/tree-ssa.texi: Update immuse iterator documentation.
2610 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2611 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2612 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2613 first_safe_imm_use, next_safe_imm_use): Remove.
2614 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2615 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2616 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2617 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2618 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2619 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2620 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2621 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2622 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2623 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2624 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2625 (perfect_nestify): Use new iterator.
2626 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2628 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2629 (next_imm_name): New field in struct immediate_use_iterator_d.
2630 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2631 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2632 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2633 * tree-cfg.c (replace_uses_by): Use new iterator.
2634 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2635 * tree-ssa-operands.c (correct_use_link): Remove.
2636 (finalize_ssa_use_ops): No longer call correct_use_link.
2638 2006-04-27 Stuart Hastings <stuart@apple.com>
2640 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2641 * config/t-darwin (crt3.o): Use it.
2642 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2643 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2644 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2645 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2646 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2649 2006-04-27 Roger Sayle <roger@eyesopen.com>
2651 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2652 size, force the intermediate into a new pseudo rather instead of
2653 performing both a bitwise AND and a bitwise IOR in memory.
2655 2006-04-27 Richard Guenther <rguenther@suse.de>
2657 PR rtl-optimization/26685
2658 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2659 this one "max-flow-memory-locations".
2661 2006-04-27 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/25148
2664 * tree-vrp.c (compare_values): Remove code dealing with
2665 comparisons against type min/max value. Honour overflow
2666 and negative constants in code dealing with comparisons
2667 of plus and minus expressions.
2668 (value_inside_range): Use fold_binary with LE_EXPR and
2669 GE_EXPR rather than compare_values.
2671 2006-04-27 Dirk Mueller <dmueller@suse.de>
2673 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2676 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2678 * basic-block.h (safe_insert_insn_on_edge): Removed.
2679 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2681 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2682 Paolo Bonzini <bonzini@gnu.org>
2685 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2686 (simplify_and_const_int): Same.
2688 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2690 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2692 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2695 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2696 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2697 cgraph_global_info_ready.
2700 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2703 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2704 either decl or init is error_mark_node.
2707 * tree-flow.h (struct omp_region): Add sched_kind.
2708 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2709 instead of extracting omp for data.
2710 (expand_omp_for): Save extracted sched_kind.
2712 2006-04-25 Roger Sayle <roger@eyesopen.com>
2714 * expmed.c (store_bit_field): Also check whether the bitsize is
2715 valid for the machine's "insv" instruction before moving the
2716 target into a pseudo for use with the insv.
2717 * config/i386/predicates.md (const8_operand): New predicate.
2718 * config/i386/i386.md (extv, extzv, insv): Use the new
2719 const8_operand predicate where appropriate.
2721 2006-04-25 DJ Delorie <dj@redhat.com>
2723 * doc/install.texi (Specific): Clarify that this is not a list of
2724 supported hosts or targets.
2726 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2728 PR rtl-optimization/26725
2729 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2730 block's BB_DIRTY flag.
2732 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2734 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2737 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2738 to print an integer.
2740 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2742 * varasm.c (align_variable): New function.
2743 (get_block_for_decl): Apply align_variable to DECL before
2744 calculating section information.
2745 (assemble_variable): Split out alignment computation.
2747 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2749 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2752 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2754 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2755 MODE_PARTIAL_INT mode.
2756 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2757 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2759 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2760 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2762 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2764 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2766 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2767 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2768 MACFLAG_IH): Likewise.
2769 (movstricthi_1): Renamed from "*movstricthi".
2770 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2771 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2772 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2773 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2774 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2775 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2776 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2777 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2778 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2779 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2780 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2781 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2782 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2783 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2784 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2786 * doc/rtl.texi (ss_ashift): Improve wording.
2788 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2790 * dwarf2out.c (verify_marks_clear): New.
2791 (prune_unused_types): Call verify_marks_clear initially, not
2794 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2796 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2797 * doc/rtl.texi: Document them.
2798 * simplify-rtx.c (simplify_unary_operation,
2799 simplify_binary_operation_1): Don't abort when we see them.
2801 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2804 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2805 * configure.ac: Completely disregard languages that are not
2807 * configure: Regenerated.
2809 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2810 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/27236
2813 * tree-inline.c (copy_body_r): Make sure to copy
2814 TREE_THIS_VOLATILE flag.
2816 2006-04-24 Richard Guenther <rguenther@suse.de>
2819 * tree-complex.c (update_parameter_components): Don't handle
2820 unused parameters which have no default def.
2822 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2823 Richard Guenther <rguenther@suse.de>
2825 PR tree-optimization/27218
2826 * tree-inline.c (expand_call_inline): Strip useless type
2827 conversions for the return slot address.
2829 2006-04-24 Richard Guenther <rguenther@suse.de>
2831 * cfgloop.h (struct loops): Remove unused field array. Reorder
2833 (LOOP_PREFETCH): Remove.
2835 2006-04-24 Richard Guenther <rguenther@suse.de>
2837 PR tree-optimization/22525
2838 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2839 variable, adjust types of generated expressions.
2841 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2843 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2844 (tree-vect-patterns.o): Likewise.
2846 (cselib.o): Likewise.
2847 (loop-doloop.o): Likewise.
2848 (regclass.o): Likewise.
2849 (reload1.o): Likewise.
2850 (explow.o): Replace target.h with $(TARGET_H).
2851 (ipa-prop.o): Likewise.
2852 (ipa-cp.o): Likewise.
2853 (ipa-inline.o): Likewise.
2854 (reorg.o): Likewise.
2855 (reg-stack.o): Likewise.
2857 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2859 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2861 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2863 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2865 * configure.ac: Completely disregard languages that are not
2867 * configure: Regenerated.
2870 * c-common.h (c_build_bitfield_integer_type): Declare.
2871 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2872 * c-common.c (c_build_bitfield_integer_type): ... here.
2874 2006-04-23 Roger Sayle <roger@eyesopen.com>
2877 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2878 a SImode SUBREG of a floating point register after no_new_pseudos.
2880 2006-04-23 Roger Sayle <roger@eyesopen.com>
2882 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2883 identify potentially eliminable registers to additionally catch
2884 VIRTUAL_INCOMING_ARGS_REGNUM.
2885 (addsi3): Update the conditions on when to use addsi_small_int.
2887 2006-04-23 Roger Sayle <roger@eyesopen.com>
2890 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2891 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2892 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2894 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2896 * fold-const.c (range_predecessor): Use operand_equal_p
2897 as the predicate for equality.
2898 (range_successor): Likewise.
2900 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2903 * config/soft-fp/op-common.h: Fix a typo.
2905 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2908 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2909 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2911 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2913 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2915 * doc/tm.texi: Fix a typo.
2917 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2919 * dwarf2out.c (struct die_struct): Document that die_sib makes
2920 a circular linked list.
2921 (FOR_EACH_CHILD): New.
2922 (reverse_die_lists): Delete.
2923 (reverse_all_dies): Delete.
2924 (add_dwarf_attr): Correct documentation.
2925 (remove_child_with_prev): New.
2926 (remove_child_TAG): Update for change to die_struct, use
2927 remove_child_with_prev.
2928 (add_child_die): Update for change to die_struct.
2929 (splice_child_die): Use remove_child_with_prev and add_child_die.
2930 (print_die): Use FOR_EACH_CHILD.
2931 (die_checksum): Likewise.
2932 (assign_symbol_names): Likewise.
2933 (output_location_lists): Likewise.
2934 (build_abbrev_table): Likewise.
2935 (calc_die_sizes): Likewise.
2936 (mark_dies): Likewise.
2937 (unmark_dies): Likewise.
2938 (unmark_all_dies): Likewise.
2939 (output_die): Likewise.
2940 (prune_unused_types_mark): Likewise.
2941 (prune_unused_types_walk): Likewise.
2942 (same_die_p): Update for change to die_struct.
2943 (break_out_includes): Likewise.
2944 (prune_unused_types_prune): Likewise.
2945 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2946 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2948 (dwarf2out_finish): Don't call reverse_all_dies.
2950 2006-04-21 Eric Christopher <echristo@apple.com>
2952 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2953 in comments and function names.
2955 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2958 * c-typeck.c (digest_init): Robustify.
2960 * c-typeck.c (pop_init_level): Simplify.
2962 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2964 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2966 2006-04-21 Paul Brook <paul@codesourcery.com>
2968 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2969 hardware floating point.
2971 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2973 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2976 2006-04-21 Nick Clifton <nickc@redhat.com>
2978 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2981 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2984 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2985 C++ lang type in traceback table for Objective-C++.
2987 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2989 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2991 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2993 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2996 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2997 were errors. Remove check for erroneous objects.
2999 2006-04-20 Jeff Law <law@redhat.com>
3001 PR tree-optimization/26854
3002 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3003 checking for zero or one use.
3004 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3005 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3006 * tree-ssa-reassoc.c (negate_value): Similarly.
3007 (reassociate_bb): Similarly.
3009 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3011 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3012 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3013 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3015 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3017 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3018 fp regs if the last fp arg doesn't fit in regs.
3020 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3023 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3024 that the last insn has the REG_INC note.
3026 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3027 Nathan Sidwell <nathan@codesourcery.com>
3030 * stor-layout.c (update_alignment_for_field): Do not align
3032 (place_union_field): Place union field at the start of the union.
3033 (place_field): Move ERROR_MARK check later, and use the current
3034 allocation position to maintain monotonicity.
3036 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3038 * dominance.c: Include timevar.h.
3039 (calculate_dominance_info): Use TV_DOMINANCE.
3040 * timevar.def (TV_DOMINANCE): New timevar.
3041 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3043 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3045 PR rtl-optimization/14261
3046 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3047 move would be an INSV insn.
3048 (noce_process_if_block): Don't optimize if the destination is a
3049 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3051 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3053 * config/s390/s390.md: Add comments with the instructions emitted
3054 by an insn pattern if macros are used.
3056 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3058 PR rtl-optimization/26026
3059 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3060 is a known power of two shifted left a variable amount.
3062 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3064 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3065 to hash table twice when the debug_str section has SECTION_MERGE.
3067 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3069 * config/soft-fp: New directory. From glibc.
3070 * config/soft-fp/t-softfp: New.
3071 * config/soft-fp/README: New.
3072 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3073 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3074 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3075 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3076 * config.gcc: Use rs6000/t-fprules-fpbit or
3077 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3079 * config/rs6000/sfp-machine.h: New. Based on glibc.
3080 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3082 * config/rs6000/t-fprules: Remove fp-bit rules.
3083 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3084 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3085 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3086 (softfp_wrap_start, softfp_wrap_end): New.
3088 2006-04-18 DJ Delorie <dj@redhat.com>
3090 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3092 2006-04-18 Devang Patel <dpatel@apple.com>
3094 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3096 2006-04-18 Nick Clifton <nickc@redhat.com>
3098 * config/sh/t-symbian: Add rule to build sh-c.o
3099 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3100 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3101 (sh_symbian_encode_section_info): Likewise.
3103 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3105 * builtins.c (expand_builtin_strcmp): Cover label definition of
3106 do_libcall with HAVE_cmpstrnsi.
3108 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3110 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3112 * function.h (temp_slot_p): New.
3113 (function): Change the type of x_used_temp_slots to
3114 VEC(temp_slot_p,gc) *.
3116 2006-04-18 Nick Clifton <nickc@redhat.com>
3118 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3119 flag_strength_reduce.
3121 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3123 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3127 Partial revert of revision 112637
3128 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3129 Dale Johannesen <dalej@apple.com>
3132 * regclass.c (struct reg_pref): Update documentation.
3133 (regclass): Set prefclass to NO_REGS if memory is the best option.
3134 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3136 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3138 PR tree-optimization/26821
3139 * tree-ssa-math-opts.c (get_constant_one): New.
3140 (insert_reciprocals): Use it.
3142 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3144 * dwarf2out.c (free_AT): Delete.
3145 (remove_AT): Update string ref counts.
3146 (remove_child_TAG): Don't call free_die.
3148 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3149 or DW_TAG_GNU_EINCL.
3150 (prune_unused_types_walk_attribs): Reset string refcounts.
3151 (prune_unused_types_update_strings): New.
3152 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3153 call free_die. Do call prune_unused_types_update_strings.
3154 (prune_unused_types): Empty debug_str_hash.
3156 2006-04-17 Roger Sayle <roger@eyesopen.com>
3158 * expr.c (expand_assignment): Optimize away no-op moves where the
3159 source and destination are equal and have no side-effects.
3161 2006-04-17 Richard Guenther <rguenther@suse.de>
3164 * reload.c (push_reload): Guard calls to get_secondary_mem
3167 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3169 * alias.c (reg_base_value, old_reg_base_value): Change the
3170 type to VEC(rtx,gc) *.
3171 (REG_BASE_VALUE, find_base_value, record_set,
3172 init_alias_analysis): Use VEC instead of VARRAY.
3174 * alias.c (alias_sets): Change the type to
3175 VEC(alias_set_entry,gc) *.
3176 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3177 VEC instead of VARRAY.
3178 (last_alias_set): Remove.
3180 * cgraph.h (cgraph_edge_p): New.
3181 Update the prototype of cgraph_function_versioning.
3182 * cgraphunit.c (cgraph_copy_node_for_versioning,
3183 cgraph_function_versioning): Use VEC instead of VARRAY.
3184 * ipa-cp.c (ipcp_insert_stage): Likewise.
3186 2006-04-16 Roger Sayle <roger@eyesopen.com>
3189 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3190 "A op B" or "A op C", we may need to convert A to the type of B and C.
3192 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3194 * target.h (struct gcc_target): Add mode_rep_extended.
3195 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3196 (init_num_sign_bit_copies_in_rep): Initialize it using
3198 (truncate_to_mode): Use it.
3199 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3200 * targhooks.h (default_mode_rep_extended): Declare it.
3201 * targhooks.c (default_mode_rep_extended): Define it.
3202 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3203 default_mode_rep_extended.
3204 (TARGET_INITIALIZER): Include it.
3205 * doc/tm.texi (Misc): Document it.
3206 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3207 (mips_truncated_to_mode): New function.
3209 2006-04-16 Roger Sayle <roger@eyesopen.com>
3212 * expr.c (compress_float_constant): Copy the narrow constant into
3213 a new pseudo before extending it to its final width.
3215 2006-04-16 Roger Sayle <roger@eyesopen.com>
3216 Andrew Pinski <pinskia@gcc.gnu.org>
3217 Dale Johannesen <dalej@apple.com>
3220 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3221 special case code to implement V8HImode and V16QImode with SSE2.
3223 2006-04-15 Roger Sayle <roger@eyesopen.com>
3225 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3226 trees are constructed with a suitable tree type.
3228 2006-04-15 Roger Sayle <roger@eyesopen.com>
3230 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3231 (integer_onep): Likewise.
3232 (integer_all_onesp): Likewise.
3233 (integer_pow2p): Likewise.
3234 (integer_nonzerop): Likewise.
3235 (real_zerop): Likewise.
3236 (real_onep): Likewise.
3237 (real_twop): Likewise.
3238 (real_minus_onep): Likewise.
3239 (int_size_in_bytes): Likewise.
3240 (host_integerp): Likewise.
3242 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3244 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3245 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3246 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3248 * tree-ssa-structalias.h (alias_info): Remove num_references.
3250 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3252 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3253 (output_bvb patterns): Likewise.
3254 * pa.c (output_bb): Use 'bb' insn for long branch case.
3255 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3256 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3257 1. Correct length operand for alternatives 1 and 2.
3258 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3259 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3261 2006-04-14 Roger Sayle <roger@eyesopen.com>
3263 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3264 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3265 were accidentally reverted by r112959.
3267 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3270 * except.h (eh_region_outermost): New prototype.
3271 * except.c (eh_region_outermost): New function.
3272 * tree-cfg.c (find_outermost_region_in_block): Use it.
3274 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3276 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3278 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3279 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3280 (init_reload, reload): Use VEC instead of VARRAY.
3281 * reload.h: Update the prototype for
3282 reg_equiv_memory_loc_varray.
3284 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3285 Eric Botcazou <ebotcazou@libertysurf.fr>
3287 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3290 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3293 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3294 to expand fallback builtin function call.
3296 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3299 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3300 and emit libcall here in case the builtin fails.
3301 (expand_builtin_strcmp): Always emit the libcall here on failure.
3303 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3305 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3306 * flow.c (reg_n_info): Change the type to
3307 VEC(reg_info_p,heap) *.
3308 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3310 * regs.h (reg_info_p): New.
3311 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3312 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3313 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3316 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3318 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3320 * params.h (MAX_SCHED_READY_INSNS): New macro.
3321 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3322 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3323 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3324 the ready list for 1 cycle during the first scheduling pass.
3325 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3327 2006-04-13 Richard Henderson <rth@redhat.com>
3330 * gimple-low.c (lower_omp_directive): Remove dead code.
3331 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3332 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3333 * omp-low.c (struct omp_region): Move to tree-flow.h.
3334 (root_omp_region): Export.
3335 (omp_regions, lookup_omp_region): Remove.
3336 (determine_parallel_type): Update for struct omp_region changes.
3337 (dump_omp_region): Dump regions with block numbers.
3338 (new_omp_region): Take type and block instead of stmt; malloc
3340 (free_omp_region_1, free_omp_regions): New.
3341 (expand_parallel_call): Take entry_stmt as argument; update for
3342 changes to omp_region.
3343 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3344 (remove_exit_barriers): New.
3345 (expand_omp_parallel): Update for struct omp_region changes.
3346 (expand_omp_synch): Likewise.
3347 (expand_omp): Likewise.
3348 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3349 (expand_omp_for_static_chunk): Likewise.
3350 (expand_omp_for): Likewise.
3351 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3352 (expand_omp_sections): Similarly, with GOMP_sections_end.
3353 (expand_omp_single): New.
3354 (build_omp_regions_1): Update for OMP_CONTINUE.
3355 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3356 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3357 OMP_SECTIONS_SECTIONS.
3358 (lower_omp_single_simple): Don't emit barrier here.
3359 (lower_omp_single_copy): Likewise.
3360 (lower_omp_single): Fix bindings, and lower to straightline now.
3361 (lower_omp_master, lower_omp_ordered): Likewise.
3362 (lower_omp_critical): Likewise.
3363 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3364 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3365 omp edges, free it afterward.
3366 (make_omp_sections_edges): Remove.
3367 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3368 (move_stmt_r): Handle OMP_CONTINUE.
3369 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3370 statement pointers to basic blocks. Add type member.
3371 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3372 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3373 * tree-inline.c (estimate_num_insns_1): Likewise.
3374 * tree-pretty-print.c (dump_generic_node): Likewise.
3375 * tree-ssa-operands.c (get_expr_operands): Likewise.
3376 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3377 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3378 (OMP_CONTINUE): New.
3379 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3380 (OMP_SECTIONS_SECTIONS): Remove.
3381 (OMP_SECTION_LAST): New.
3382 (OMP_RETURN_NOWAIT): New.
3384 2006-04-13 Roger Sayle <roger@eyesopen.com>
3386 * fold-const.c (native_encode_vector, native_interpret_real):
3387 Correct obvious mistakes in the previous check-in.
3389 2006-04-13 Roger Sayle <roger@eyesopen.com>
3391 * fold-const.c (native_encode_expr): New function to encode
3392 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3393 or VECTOR_CST into a specified buffer.
3394 (native_encode_int): New function.
3395 (native_encode_real): New function.
3396 (native_encode_complex): New function.
3397 (native_encode_vector): New function.
3398 (native_interpret_expr): Inverse of native_encode_expr to convert
3399 a target representation into an INTEGER_CST, REAL_CST etc...
3400 (native_interpret_int): New function.
3401 (native_interpret_real): New function.
3402 (native_interpret_complex): New function.
3403 (native_interpret_vector): New function.
3404 (fold_view_convert_expr): New function to constant fold/evaluate
3405 a VIEW_CONVERT_EXPR of a suitable constant expression.
3406 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3407 Change call of build1 to fold_build1 when constructing a
3410 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3411 Ulrich Weigand <uweigand@de.ibm.com>
3414 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3417 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3420 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3421 optimize to lo_sum for DFmode if !TARGET_FPRS.
3423 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3425 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3426 delete_alias_info, compute_flow_sensitive_aliasing,
3427 group_aliases): Use VEC instead of VARRAY.
3428 * tree-ssa-structalias.c (update_alias_info): Likewise.
3429 * tree-ssa-structalias.h (alias_info): Change the type of
3430 processed_ptrs to VEC(tree,heap) *.
3432 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3435 * config/sh/lib1funcs.h: New file, broken out of:
3436 * config/sh/lib1funcs.asm.
3437 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3439 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3440 * config/sh/lib1funcs-Os-4-200.asm: New file.
3441 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3442 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3443 (EXTRA_MULTILIB_PARTS): Include it.
3444 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3445 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3446 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3447 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3450 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3452 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3453 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3454 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3456 * tree-ssa-live.h: Include vecprim.h.
3457 (tree_partition_associator_d): Change the type of
3458 first_partition to VEC(int,heap) *.
3459 (tpa_first_partition): Use VEC instead of VARRAY.
3461 * Makefile.in (GTFILES): Move functions.h after tree.h.
3462 * function.c (reset_block_changes, record_block_change,
3463 check_block_change, free_block_changes): Use VEC instead of
3465 * function.h (function): Change the type of
3466 ib_boundaries_block to VEC(tree,gc) *.
3467 * tree-inline.c (copy_cfg_body): Initialize
3468 ib_boundaries_block to NULL instead of (varray_type) 0.
3470 2006-04-12 Roger Sayle <roger@eyesopen.com>
3472 * expr.c (emit_group_store): Correct operand order in call to
3473 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3474 a SUBREG_BYTE of zero.
3476 2006-04-12 Richard Guenther <rguenther@suse.de>
3478 * profile.c (compute_branch_probabilities): Remove code
3479 encapsulated in !ir_type (), which are remanents of the
3480 removed RTL profiling code.
3481 * rtl-profile.c: Remove.
3483 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3485 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3486 magic NULL_RTX comment.
3487 (function_arg): Store entire fp arg to mem if any part should go
3489 (rs6000_arg_partial_bytes): Adjust for above change.
3491 2006-04-11 Roger Sayle <roger@eyesopen.com>
3493 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3494 if it hasn't been initialized by dwarf2out_init.
3496 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3498 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3499 symbolic constants in branch patterns.
3501 2006-04-11 Roger Sayle <roger@eyesopen.com>
3503 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3505 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3507 PR rtl-optimization/27073
3508 * gcse.c (try_replace_reg): Revert last change. Continue to search
3509 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3512 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3514 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3515 aggregate types other than record and union types.
3516 (function_arg): Likewise.
3517 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3519 (function_value): In 64-bit mode, return objects that require it
3522 2006-04-11 Roger Sayle <roger@eyesopen.com>
3524 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3526 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3528 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3530 2006-04-03 Jeff Law <law@redhat.com>
3533 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3534 alias information too.
3536 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3538 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3540 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3543 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3544 (premark_used_types_helper): New.
3545 (premark_used_types): New.
3546 (gen_subprogram_die): Call premark_used_types.
3547 (prune_unused_types_walk): Do not prune perennial dies.
3548 * function.c (used_types_insert): New.
3549 * function.h (struct function): Add used_types_hash field.
3550 (used_types_insert): Add prototype.
3551 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3552 * c-parser.c (c_parser_cast_expression): Save casted types in used
3555 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3558 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3559 rs6000_explicit_options.float_gprs.
3561 2006-04-10 Roger Sayle <roger@eyesopen.com>
3563 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3564 from ix86_expand_vector_init_low_nonzero. Take an additional
3565 one_var argument indicating which element is non-zero. Support
3566 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3567 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3568 with one_var instead of ix86_expand_vector_init_low_nonzero.
3570 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3572 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3573 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3574 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3575 build/genextract.o): Depend on vecprim.h.
3576 * cfglayout.c, df-problems.c, function.c, genextract.c,
3577 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3578 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3582 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3584 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3585 Declare VECs of this type.
3586 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3587 (remove_children): Delete.
3588 (add_dwarf_attr): Use VEC routines.
3589 (add_AT_flag): Update for changes to add_dwarf_attr.
3590 (add_AT_int): Likewise.
3591 (add_AT_unsigned): Likewise.
3592 (add_AT_long_long): Likewise.
3593 (add_AT_vec): Likewise.
3594 (add_AT_string): Likewise.
3595 (add_AT_die_ref): Likewise.
3596 (add_AT_fde_ref): Likewise.
3597 (add_AT_loc): Likewise.
3598 (add_AT_loc_list): Likewise.
3599 (add_AT_addr): Likewise.
3600 (add_AT_lbl_id): Likewise.
3601 (add_AT_lineptr): Likewise.
3602 (add_AT_macptr): Likewise.
3603 (add_AT_offset): Likewise.
3604 (add_AT_range_list): Likewise.
3605 (get_AT): Use VEC_iterate.
3606 (remove_AT): Use VEC_ordered_remove.
3607 (free_die): Fold remove_children into here; have it use VEC_iterate.
3608 (print_die): Use VEC_iterate on attrs.
3609 (reverse_die_lists): Don't reverse attr lists.
3610 (die_checksum): Use VEC_iterate on attrs.
3611 (same_die_p): Likewise.
3612 (output_location_lists): Likewise.
3613 (build_abbrev_table): Likewise.
3614 (size_of_die): Likewise.
3615 (unmark_all_dies): Likewise.
3616 (output_abbrev_section): Likewise.
3617 (output_die): Likewise.
3618 (prune_unused_types_walk_attribs): Likewise.
3620 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3622 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3624 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3627 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3629 2006-04-09 Roger Sayle <roger@eyesopen.com>
3631 * expr.c (store_constructor): Don't bother clearing target if
3632 we're about to assign a vector to it using vec_init_optab.
3634 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3636 * tree-ssa-alias.c (lhs_may_store_to): New function.
3637 (recalculate_used_alone): Handle LHS of calls.
3639 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3643 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3644 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3645 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3646 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3647 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3648 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3649 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3650 stubs. Add ".align 8" directives before all ".dword" directives.
3651 (GTHREAD_USE_WEAK): Revise comment.
3652 (TARGET_ATTRIBUTE_WEAK): Define.
3653 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3654 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3655 * stublib.c: New file.
3660 * pa.md (cbranch patterns): Revise arguments used in calls to
3661 output_cbranch, output_bb and output_bvd. Add long branch length
3663 (fbranch patterns): Handle long branches.
3664 (jump): Revise length check. Revise arguments for output_lbranch call.
3665 Add long branch length attributes.
3666 (decrement_and_branch_until_zero): Add long branch length attributes.
3667 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3668 Likewise. Revise arguments for output_parallel_addb and
3669 output_parallel_movb calls.
3670 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3671 output_parallel_movb and output_parallel_addb): Update prototypes.
3672 * pa.c (output_cbranch): Revise arguments. Correct handling of
3673 nullification in long branches.
3674 (output_lbranch): Add new argument to control extraction of delay
3676 (output_bb): Handle long branches.
3677 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3678 output_parallel_addb): Likewise.
3680 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3682 PR rtl-optimization/27073
3683 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3686 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3688 * tree.h (tree_memory_tag): Add old_used_alone.
3689 (SMT_OLD_USED_ALONE): New macro.
3690 * tree-ssa-alias.c (recalculate_used_alone): Stop
3691 marking things for renaming unnecessarily.
3693 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3695 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3696 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3697 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3698 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3699 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3700 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3701 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3702 spelling convensions.
3703 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3704 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3705 typos. Follow spelling conventions.
3707 2006-04-07 DJ Delorie <dj@redhat.com>
3709 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3710 passed on the stack.
3711 (m32c_init_cumulative_args): When a function returns a structure,
3712 always pass the pointer to that return area on the stack.
3713 (m32c_function_arg_advance): Don't increment the parameter number
3714 if we're processing the returned structure pointer.
3715 (pushm_info): Reverse order of registers.
3717 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3719 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3720 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3721 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3722 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3724 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3725 chrec_fold_multiply): Same.
3726 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3727 force_expr_to_var_cost): Same.
3728 * tree-mudflap.c (mf_xform_derefs_1): Same.
3729 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3731 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3733 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3734 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3737 2006-04-07 Jan Hubicka <jh@suse.cz>
3739 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3741 2006-04-07 Richard Guenther <rguenther@suse.de>
3743 PR tree-optimization/26135
3744 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3745 loads for store copy-prop.
3746 (copy_prop_visit_stmt): Likewise.
3748 2006-04-05 Robert Millan <robertmh@gnu.org>
3750 * config/i386/linux.h: Add a comment to mark macros that are
3751 being overriden in config/k*bsd-gnu.h.
3752 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3754 * config/knetbsd-gnu.h: Ditto.
3756 2006-04-06 Jan Hubicka <jh@suse.cz>
3760 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3763 2006-04-06 Mike Stump <mrs@apple.com>
3765 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3766 for HAVE_nonlocal_goto to be consistent.
3767 (expand_builtin_nonlocal_goto): Likewise.
3768 (expand_builtin_strcmp): Use #ifdef instead of #if
3769 for HAVE_cmpstrnsi to be consistent.
3771 2006-04-05 DJ Delorie <dj@redhat.com>
3773 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3776 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3778 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3779 got-relative addressing for anything but SImode.
3781 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3782 even if the calling function doesn't modify them.
3784 2006-04-05 Richard Guenther <rguenther@suse.de>
3786 PR tree-optimization/26919
3787 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3788 to cgraph_estimate_size_after_inlining.
3790 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3792 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3794 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3796 PR tree-optimization/26996
3797 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3798 VECTOR_TYPE variables.
3800 2006-04-05 Richard Guenther <rguenther@suse.de>
3802 PR tree-optimization/26763
3803 * fold-const.c (fold_comparison): Move folding of
3804 PTR + CST CMP PTR + CST ...
3805 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3807 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3809 * doc/install.texi (Prerequisites): Refine some wording on
3810 bootstrapping and ksh.
3811 Move the version numbers of DejaGnu here from the testing section
3812 and fix casing of names.
3813 Fix markup and clarify wording for autogen requirements.
3814 Refer to GCJ instead of just java.
3815 Refer to SVN instead of CVS.
3816 Describe diffutils as useful instead of necessary.
3817 (Downloading the source): Refer to SVN instead of CVS.
3818 Adjust a link to our web site accordingly.
3819 (Configuration): Fix casing of Bison.
3820 (Building): Refer to SVN instead of CVS.
3821 Fix a sentence on the use of Bison and remove duplicate (and
3822 incorrect) version number of Bison requirement.
3823 Remove one redundant list of packages needed for building.
3824 (Specific): Avoid reference to CVS.
3826 2006-04-04 Eric Christopher <echristo@apple.com>
3828 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3829 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3830 (rs6000_handle_struct_attribute): New.
3831 (rs6000_ms_bitfield_layout_p): Ditto.
3833 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3835 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3836 NULL for dso parameter to atexit_common.
3838 2006-04-04 Eric Christopher <echristo@apple.com>
3840 * config/i386/i386.c (machopic_output_stub): Output \t
3841 between instructions and operands.
3843 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3845 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3846 satisfies_constraint_[IL] to explicit tests on value.
3848 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3850 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3851 set_nb_iterations_in_loop): Use build_int_cst instead of
3853 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3854 build_int_cst instead of convert.
3856 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3858 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3859 new value 2 for incoming.
3860 * function.c (expand_function_start): Call struct_value_rtx
3862 * config/sparc/sparc.md: Comment updated_return.
3863 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3864 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3865 struct return if sparc_std_struct_return and incoming is 2.
3866 (print_operand): Do not adjust return if
3867 sparc_std_struct_return.
3869 2006-04-04 Roger Sayle <roger@eyesopen.com>
3871 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3872 convert in the middle-end.
3873 * expr.c (store_expr, store_constructor, get_inner_reference,
3874 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3876 * tree.c (build_range_type): Likewise.
3878 2006-04-04 Tom Tromey <tromey@redhat.com>
3880 * doc/install.texi (Prerequisites): Mention jar.
3882 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3884 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3887 2006-04-04 Matthias Klose <doko@debian.org>
3889 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3890 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3893 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3895 * doc/extend.texi (Function Attributes): Rewrite visibility
3896 attribute documentation.
3897 * doc/invoke.texi (C++ Dialect Options): Rewrite
3898 -fvisibility-inlines-hidden documentation to describe something
3899 entirely different, although in practise compatible.
3900 (Code Gen Options): Warn about system headers in -fvisibility=
3903 * doc/extend.texi (Other Builtins): Document that
3904 __builtin_nan is a compile-time constant only when its argument
3907 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3909 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3910 trying to remove TRUNCATE check if all bits outside the new mode
3911 are identical to the sign bit.
3913 2006-04-03 Jeff Law <law@redhat.com>
3915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3916 and operand scanning in some common cases.
3918 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3919 Dale Johannesen <dalej@apple.com>
3922 * regclass.c (struct reg_pref): Update documentation.
3923 (regclass): Set prefclass to NO_REGS if memory is the best option.
3924 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3925 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3926 into account. For non-registers, equate an empty preferred
3927 reload class to a `!' in the constraint; move the if clause to
3928 do so after those that reject the insn.
3929 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3931 (find_dummy_reload): Likewise.
3932 * doc/tm.texi (Register Classes): Document what it means
3933 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3934 * config/i386/i386.c (ix86_preferred_reload_class): Force
3935 using SSE registers (and return NO_REGS for floating-point
3936 constants) if math is done with SSE.
3937 (ix86_preferred_output_reload_class): New.
3938 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3939 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3940 * config/i386/i386.md: Remove # register preferences.
3942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3945 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3946 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3947 the type of nb_iter.
3948 (instantiate_parameters_1): Convert the operands before calling
3949 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3950 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3952 2006-04-02 Roger Sayle <roger@eyesopen.com>
3954 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3955 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3957 * dojump.c (do_jump): Likewise.
3958 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3959 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3960 gimplify_boolean_expr): Likewise.
3961 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3962 * varasm.c (array_size_for_constructor): Likewise.
3963 * tree-object-size.c (compute_object_offset): Likewise.
3965 2006-04-02 Roger Sayle <roger@eyesopen.com>
3968 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3969 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3971 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3973 PR tree-optimization/26939
3974 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3976 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3978 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3979 at_stmt. Convert the type of operands before calling
3980 build_polynomial_chrec.
3981 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3983 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3984 (instantiate_parameters_1): Convert the type of operands before calling
3985 build_polynomial_chrec.
3986 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3987 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3988 reset_evolution_in_loop): Insert asserts to check the types of the
3990 (chrec_type): Moved...
3991 (eq_evolutions_p): Use operand_equal_p.
3992 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3993 the types of the operands.
3994 (chrec_type): ...here.
3995 * tree-data-ref.c (create_data_ref): Convert the operands before
3996 calling chrec_replace_initial_condition.
3997 (same_access_functions, analyze_subscript_affine_affine,
3998 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3999 (compute_subscript_distance, analyze_ziv_subscript,
4000 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4001 analyze_miv_subscript): Convert the operands before calling
4002 chrec_fold_minus or chrec_fold_plus.
4004 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4006 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4007 the dependence_relations vector.
4008 (compute_data_dependences_for_loop): Adjust call to
4009 compute_all_dependences.
4011 2006-04-01 Roger Sayle <roger@eyesopen.com>
4012 Richard Henderson <rth@redhat.com>
4014 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4015 gimple_boolify on the condition before calling gimplify_expr.
4017 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4019 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4020 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4021 the frame size. Update to use the new macros.
4022 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4023 * config/xtensa/ieee754-df.S: Likewise.
4025 2006-03-31 Richard Henderson <rth@redhat.com>
4027 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4028 (make_edges): ... here. Control fallthru creation with a local
4029 variable. Do not play with fake edges.
4030 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4031 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4034 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4036 * dwarf2.h (DW64_CIE_ID): Define.
4037 * dwarf2out.c (DWARF_CIE_ID): Define.
4038 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4039 length header. Use DWARF_CIE_ID.
4040 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4041 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4043 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4045 * config/sh/linux-atomic.asm: New file.
4046 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4048 2006-03-31 DJ Delorie <dj@redhat.com>
4050 * config/m32c/cond.md: Set condition flags properly throughout.
4051 * config/m32c/minmax.md: Likewise.
4052 * config/m32c/prologue.md: Likewise.
4053 * config/m32c/bitops.md: Likewise.
4054 * config/m32c/muldiv.md: Likewise.
4055 * config/m32c/mov.md: Likewise.
4056 * config/m32c/addsub.md: Likewise.
4057 * config/m32c/m32c.md: Likewise.
4058 * config/m32c/jump.md: Likewise.
4059 * config/m32c/shift.md: Likewise.
4061 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4062 conditionally output the pattern for this.
4063 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4064 (m32c_compare_redundant): New.
4065 (m32c_output_compare): New.
4066 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4068 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4069 dest, not src. Allow other 4-byte modes.
4071 2006-03-30 Denis Chertykov <denisc@overta.ru>
4073 * doc/md.texi: Refer to avr/constraints.md instead of
4076 2006-03-30 Roger Sayle <roger@eyesopen.com>
4078 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4079 signed vs. unsigned comparison failures on some hosts.
4081 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4084 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4085 change to FLOAT_REGS.
4087 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4088 (rs6000_override_options): Use it.
4089 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4090 only for -mabi=spe/no-spe and -mabi=altivec.
4092 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4094 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4097 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4099 * Makefile.in: Rename docdir to gcc_docdir.
4101 2006-03-30 Roger Sayle <roger@eyesopen.com>
4104 * expr.c (emit_group_store): Optimize group stores into a pseudo
4105 register by using a paradoxical subreg to initialize the destination
4106 if the first or last member of the group specifies a "low part".
4108 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4111 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4112 * target.h (struct gcc_target.speculate_insn): Change type of the
4113 second parameter to 'int'.
4114 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4115 the second operand of the DEPS_LIST.
4116 (copy_DEPS_LIST_list): Update reference to the second operand of the
4118 * rtl.h (alloc_DEPS_LIST): Update signature.
4119 * sched-int.h (ds_t): Change typedef to 'int'.
4120 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4122 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4124 * haifa-sched.c (try_ready): Change condition to restore
4125 non-speculative pattern of the instruction.
4126 (process_insn_depend_be_in_spec): Code to keep probability of the
4127 speculative dependence non-decreasing.
4129 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4131 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4132 (single_move_for_movmem): ... this. Also change all uses.
4133 (bfin_expand_strmov): Renamed to...
4134 (bfin_expand_movmem): ... this. Also change all uses.
4135 * config/bfin/bfin.md (movstrsi): Renamed to...
4136 (movstrsi): ...this.
4138 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4140 PR tree-optimization/26830
4142 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4143 (copy_prop_visit_stmt): Remove write-only variable ann.
4144 (init_copy_prop): Check variable loop depth here. Do not simulate
4145 memory-tag and virtual operand PHIs except for store copy prop.
4147 2006-03-30 Richard Guenther <rguenther@suse.de>
4149 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4150 variants with double arguments.
4152 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4154 * genpreds.c (write_tm_constrs_h): Delete variable p.
4155 * genconditions.c (write_header): Add tm-constrs.h to included
4157 * genpeep.c (main): Add toplev.h to included headers.
4158 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4159 (build/genpeep.o): Add toplev.h dependency.
4160 * config/rs6000/constraints.md: Add "W" constraint.
4162 2006-03-29 Roger Sayle <roger@eyesopen.com>
4164 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4165 sizes by correctly testing whether the size fits a host integer.
4166 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4167 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4168 SImode range for the default sizetype and bitsizetype.
4170 2006-03-29 Roger Sayle <roger@eyesopen.com>
4172 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4173 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4174 quickly if the argument is already of the correct type.
4175 Call fold_build1 instead of build1. Tidy up blank lines.
4177 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4179 * genemit.c (main): Add tm-constrs.h to included headers.
4180 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4181 * genpeep.c (main): Add tm-constrs.h to included headers.
4182 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4183 (write_tm_constrs_h): this and write complete file.
4184 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4185 (write_insn_preds_c): Add tm-constrs.h to included headers.
4186 (gen_constrs): New variable.
4187 (parse_option): Parse "-c".
4188 (main): Invoke write_tm_constrs_h.
4189 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4190 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4191 (object_out_file): Add tm-constrs.h dependency.
4192 (insn-emit.o): Same.
4193 (insn-output.o): Same.
4194 (insn-peep.o): Same.
4195 (insn-preds.o): Same.
4196 (insn-recog.o): Same.
4197 (tm-constsr.h): New target.
4198 (s-constrs-h): New target.
4200 * config/rs6000/constraints.md: New file.
4201 * config/rs6000/rs6000.c: Include tm-constrs.h.
4202 (num_insn_constant_wide): Convert to satisfies_constraint.
4203 (rs6000_rtx_costs): Convert to satisfies_constraint.
4204 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4205 (CONST_OK_FOR_LETTER_P): Delete.
4206 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4207 (EXTRA_CONSTRAINT): Delete.
4208 (EXTRA_MEMORY_CONSTRAINT): Delete.
4209 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4210 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4211 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4212 satisfies_constraint.
4214 * config/i386/i386.c: Include tm-constrs.h.
4216 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4218 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4219 * tree-data-ref.c (find_data_references_in_loop,
4220 compute_data_dependences_for_loop): Use pointers to VEC.
4221 (analyze_all_data_dependences): Adjust calls.
4222 * tree-data-ref.h (find_data_references_in_loop,
4223 compute_data_dependences_for_loop): Adjust declarations.
4224 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4225 compute_data_dependences_for_loop.
4227 2006-03-29 Paul Brook <paul@codesourcery.com>
4229 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4232 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4234 PR tree-optimization/26859
4235 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4237 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4238 for the step after fold_convert.
4240 2006-03-29 Paul Brook <paul@codesourcery.com>
4242 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4243 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4245 2006-03-29 Paul Brook <paul@codesourcery.com>
4248 * targhooks.c (default_narrow_bitfield): New fuction.
4249 * targhooks.h (default_narrow_bitfield): add prototype.
4250 * target.h (gcc_target): Add narrow_volatile_bitfield.
4251 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4252 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4253 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4254 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4256 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4258 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4260 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4261 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4262 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4263 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4264 (s390_function_arg_float): Allow SDmode and DDmode values to be
4265 passed in floating point registers.
4266 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4267 check with SCALAR_FLOAT_MODE_P.
4268 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4270 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4272 PR tree-optimization/25985
4273 * tree-ssa-loop-niter.c (number_of_iterations_le,
4274 number_of_iterations_ne): Make comments more precise.
4275 (number_of_iterations_cond): Add only_exit argument. Use the
4276 fact that signed variables do not overflow only when only_exit
4278 (loop_only_exit_p): New.
4279 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4280 number_of_iterations_cond.
4282 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4284 PR tree-optimization/26643
4285 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4288 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4290 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4291 (divsi3_i4_int): Likewise.
4293 2006-03-28 Roger Sayle <roger@eyesopen.com>
4295 * expr.c (emit_group_store): Only create a new pseudo reg if the
4296 quantity it needs to hold isn't already a suitable pseudo.
4298 2006-03-28 Jeff Law <law@redhat.com>
4300 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4301 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4303 2006-03-28 Roger Sayle <roger@eyesopen.com>
4305 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4306 the equivalent ~X & Y, and the symmetry related transformations.
4307 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4308 ~X & Y, and symmetry related transforms.
4310 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4312 Revert my 2006-03-27 patches.
4314 2006-03-28 Roger Sayle <roger@eyesopen.com>
4316 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4317 ~(T1)X, when T1 and T2 are integer types of the same precision
4318 and (T2)X isn't an extension.
4320 2006-03-28 Jeff Law <law@redhat.com>
4322 PR tree-optimization/26796
4323 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4324 need EH edge cleanups rather than purging them immediately.
4325 (eliminate_degenerate_phis): Handle queued EH cleanups.
4327 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4329 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4332 2006-03-27 Roger Sayle <roger@eyesopen.com>
4335 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4336 cast BIT_NOT_EXPR operand to the correct type.
4338 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4340 * tree-loop-linear.c: Don't include varray.h.
4341 (gather_interchange_stats, try_interchange_loops,
4342 linear_transform_loops): Use VEC instead of VARRAY.
4343 * lambda-mat.c: Don't include varray.h.
4344 * tree-chrec.c: Same.
4345 * lambda-trans.c: Same.
4346 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4347 VEC instead of VARRAY.
4348 * tree-vectorizer.h: Idem.
4349 * tree-data-ref.c (dump_data_references,
4350 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4351 initialize_data_dependence_relation, finalize_ddr_dependent,
4352 compute_all_dependences, find_data_references_in_loop,
4353 compute_data_dependences_for_loop, analyze_all_data_dependences,
4354 free_dependence_relation, free_dependence_relations,
4355 free_data_refs): Idem.
4356 * tree-data-ref.h (data_reference_p, subscript_p): New.
4357 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4358 VEC instead of VARRAY.
4359 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4360 (find_data_references_in_loop, compute_data_dependences_for_loop,
4361 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4362 dump_data_dependence_relations, free_dependence_relations,
4363 free_data_refs): Adjust declaration.
4364 (lambda_transform_legal_p): Move declaration here...
4365 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4366 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4367 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4368 vect_analyze_data_refs): Use VEC instead of VARRAY.
4369 * lambda.h (lambda_transform_legal_p): ...from here.
4370 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4371 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4372 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4373 tree-chrec.o): Don't depend on VARRAY_H.
4375 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4377 * rtl.def (Copyright): Update date.
4378 (DEPS_LIST): Change type of the second operand to 'int'.
4379 * target.h (Copyright): Update date.
4380 (struct gcc_target.speculate_insn): Change type of the second parameter
4382 * lists.c (Copyright): Update date.
4383 (alloc_DEPS_LIST): Change signature. Update reference to the second
4384 operand of the DEPS_LIST.
4385 (copy_DEPS_LIST_list): Update reference to the second operand of the
4387 * rtl.h (Copyright): Update date.
4388 (alloc_DEPS_LIST): Update signature.
4389 * sched-int.h (Copyright): Update date.
4390 (ds_t): Change typedef to 'int'.
4391 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4393 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4395 * haifa-sched.c (Copyright): Update date.
4396 (try_ready): Change condition to restore non-speculative pattern
4398 (process_insn_depend_be_in_spec): Code to keep probability of the
4399 speculative dependence non-decreasing.
4401 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4403 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4404 shut up the compiler.
4406 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4408 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4409 to use lib prefix for target.
4410 ($(T)libic_invalidate_array_4-200.a): Likewise.
4411 ($(T)libic_invalidate_array_4a.a): Likewise.
4413 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4414 J"orn Rennecke <joern.rennecke@st.com>
4416 * superh.opt: New file.
4417 * sh.c (boardtype, osruntime): Remove.
4418 * superh.h (SUBTARGET_OPTIONS): Remove.
4419 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4421 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4422 arguments with ^ and/or [].
4424 * config.gcc (sh-*-*): Add quoting to account for quirk of
4426 Replace == with = in enable_incomplete_targets test.
4428 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4429 with MASK_LITTLE_ENDIAN.
4431 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4432 * config/sh/sh.opt: Added to some comments.
4433 * config/sh/superh.h: Removed some chaff.
4435 * config/sh/sh.opt: Add m4-[1234]00* options.
4436 * config/sh/sh.c (sh_handle_option): Likewise.
4437 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4438 (ic_invalidate_array_4-100.o): New rule.
4439 ($(T)libic_invalidate_array_4-100.a): Likewise.
4440 (ic_invalidate_array_4-200.o): Likewise.
4441 ($(T)libic_invalidate_array_4-200.a): Likewise.
4442 (ic_invalidate_array_4a.o): Likewise.
4443 ($(T)libic_invalidate_array_4a.a): Likewise.
4444 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4445 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4447 * config/sh/crt1.asm: Merged in profiling code.
4448 * config/sh/superh.h (STARTFILE_SPEC): Override.
4449 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4450 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4451 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4453 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4454 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4455 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4457 * sh.opt (mpretend-cmove): New option.
4458 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4459 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4460 (movsicc): Add TARGET_PRETEND_CMOVE code.
4462 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4464 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4465 s390_class_max_nregs): New function prototypes.
4466 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4467 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4468 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4469 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4471 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4473 * dwarf2out.c (add_location_or_const_value_attribute): Call
4474 tree_add_const_value_attribute if nothing else works.
4475 (reference_to_unused): New.
4476 (rtl_for_decl_init): Use reference_to_unused to decide whether
4477 to output an initializer.
4479 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4482 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4483 peephole removing spe frob_di_df_2.
4485 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4487 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4488 (subscript_dependence_tester_1): Declared.
4489 (print_dir_vectors, print_dist_vectors): New.
4490 (debug_data_dependence_relation): New.
4491 (dump_data_dependence_relation): Print more details.
4492 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4493 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4494 (save_dist_v, save_dir_v, add_outer_distances,
4495 build_classic_dist_vector_1): New.
4496 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4497 Don't test for lambda_vector_lexico_pos.
4498 (same_access_functions, add_multivariate_self_dist,
4499 add_other_self_distances, dir_from_dist): New.
4500 (build_classic_dir_vector): Replace implementation almost identical to
4501 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4503 (subscript_dependence_tester_1): New.
4504 (subscript_dependence_tester): Handle the lexicographically negative
4505 distance vectors by recomputing the dependence relation.
4506 (compute_affine_dependence): Remove parameter loop_nest_depth.
4507 (compute_self_dependence): Don't call compute_subscript_distance.
4508 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4509 Add a parameter for the loop_nest.
4510 (find_loop_nest_1, find_loop_nest): New.
4511 (compute_data_dependences_for_loop): Compute the loop nest, and give
4512 up if the nest is not well formed.
4513 * tree-data-ref.h (loop_p): New.
4514 (struct data_dependence_relation): Replace size_vect field with
4515 loop_nest, a vec of loops.
4516 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4517 (DDR_LOOP_NEST): New.
4518 (print_dir_vectors, print_dist_vectors,
4519 debug_data_dependence_relation): Declared.
4520 (index_in_loop_nest): New.
4521 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4522 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4525 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4527 * simplify-rtx.c (simplify_relational_operation): Call
4528 simplify_relational_operation_1 even if mode is VOIDmode.
4530 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4532 PR tree-optimization/26804
4533 * tree.h (DECL_CALL_CLOBBERED): New macro.
4534 (tree_decl_common): Add call_clobbered_flag.
4535 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4536 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4537 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4538 (mark_non_addressable): Ditto.
4539 * tree-ssa.c (verify_call_clobbered): New function.
4540 (verify_alias_info): Use it.
4541 * tree-pass.h (pass_reset_cc_flags): New prototype.
4542 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4543 (reset_cc_flags): New function.
4544 * passes.c (init_optimization_passes): Call reset_cc_flags after
4545 initializing referenced_vars.
4547 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4548 Roger Sayle <roger@eyesopen.com>
4551 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4552 to 1.0 for non-real operands. Implement A / A optimization for
4555 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4557 * config/i386/i386.c (size_cost): Correct the comment for
4558 cost of storing fp registers.
4559 (i386_cost): Likewise.
4560 (i486_cost): Likewise.
4561 (pentium_cost): Likewise.
4562 (pentiumpro_cost): Likewise.
4563 (k6_cost): Likewise.
4564 (athlon_cost): Likewise.
4565 (k8_cost): Likewise.
4566 (pentium4_cost): Likewise.
4567 (nocona_cost): Likewise.
4568 (generic64_cost): Likewise.
4569 (generic32_cost): Likewise.
4571 2006-03-24 Denis Chertykov <denisc@overta.ru>
4573 * config/avr/avr-protos.h (extra_constraint): Delete.
4574 (extra_constraint_Q): New declaration.
4575 * config/avr/constraints.md: New file.
4576 * config/avr/avr.md: Include it.
4577 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4578 (TMP_REGNO, ZERO_REGNO): Likewise.
4579 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4580 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4581 (extra_constraint): Delete.
4582 (extra_constraint_Q): Test for memory constraint 'Q'.
4583 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4584 (REG_CLASS_FROM_LETTER): Delete.
4585 (CONST_OK_FOR_LETTER_P): Delete.
4586 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4587 (EXTRA_CONSTRAINT): Delete.
4588 (TMP_REGNO): Delete.
4589 (ZERO_REGNO): Delete.
4591 2006-03-24 Jeff Law <law@redhat.com>
4593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4594 directly. Call mark_new_vars_to_rename slightly earlier.
4596 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4598 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4600 (gen_compile_unit_die): Use new language types for Objective-C and
4602 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4603 DW_LANG_C_plus_plus.
4606 * config/t-darwin (crt3.o): Work around bug 26840.
4607 * config/darwin-crt3.c: Rewrite.
4608 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4610 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4612 * doc/invoke.texi: Document -femit-class-debug-always
4613 * common.opt: Add -femit-class-debug-always.
4615 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4617 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4618 index and base register.
4619 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4620 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4621 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4622 REGNO_OK_FOR_INDEX_P.
4623 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4625 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4626 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4627 REG_OK_FOR_BASE_P): Definitions removed.
4629 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4632 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4633 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4634 set yet or weren't marked as local yet.
4636 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4638 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4641 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4643 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4644 (rs6000_legitimate_small_data_p): Delete.
4645 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4646 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4647 and make static. Add forward declaration. Update uses.
4648 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4649 of offsettable_memref_p.
4650 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4651 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4653 2006-03-24 Jeff Law <law@redhat.com>
4655 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4656 around bug in immediate-use iterator.
4658 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4661 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4662 or __LITTLE_ENDIAN__.
4664 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4666 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4667 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4668 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4669 * config/sh/sh.opt (mdiv=): Amend description.
4670 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4671 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4672 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4673 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4674 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4675 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4676 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4677 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4678 TARGET_DIVIDE_CALL_FP.
4680 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4682 * haifa-sched.c (choose_ready): Fix type of the local variable.
4683 Move local variables. Add comment.
4684 (check_reg_live): Change signature. Make callable from debugger.
4685 * sched-int.h (check_reg_live): Update signature.
4686 * sched-ebb.c (check_reg_live): Update parameters.
4687 * sched-rgn.c (check_reg_live): Ditto.
4688 (region_head_or_leaf_p): Check pointer before dereferencing.
4689 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4690 before reload on optimization levels below 1.
4692 2006-03-23 Richard Henderson <rth@redhat.com>
4694 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4698 * config/alpha/predicates.md (local_symbolic_operand): Reject
4701 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4704 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4705 expressions which have overflowed constants.
4707 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4709 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4711 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4713 * cfgloopmanip.c (create_loop_notes): Removed.
4714 * final.c (final_scan_insn): Do not handle loop notes.
4715 * jump.c (squeeze_notes): Ditto.
4716 * cfglayout.c (skip_insns_after_block,
4717 duplicate_insn_chain): Ditto.
4718 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4720 * cfgloop.h (create_loop_notes): Declaration removed.
4722 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4724 * varasm.c (output_constant_pool): Restore fnname and fndecl
4726 (assemble_start_function): Adjust call accordingly.
4727 (assemble_end_function): Likewise.
4729 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4732 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4735 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4737 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4740 * system.h (ICE_EXIT_CODE): New macro.
4741 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4742 (diagnostic_action_after_output): Likewise.
4743 * gcc.c (fatal_ice): New function.
4744 (execute): Use it instead of fatal.
4745 (fancy_abort): Likewise.
4746 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4748 2006-03-22 Jeff Law <law@redhat.com>
4750 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4751 iv_analyze_result returning false.
4753 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4755 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4757 2006-03-22 Richard Henderson <rth@redhat.com>
4760 * except.c (duplicate_eh_regions_0): New.
4761 (duplicate_eh_region_1): Duplicate the children of the node as
4762 well as the node itself. Link them up properly.
4763 (duplicate_eh_region_2): Merge into ...
4764 (duplicate_eh_regions): ... here. Take copy_region argument, and
4765 copy only a sub-tree if asked. Simplify copying and fixup.
4766 (eh_region_outer_p): New.
4767 * except.h (duplicate_eh_regions): Update decl.
4768 (eh_region_outer_p): Declare.
4769 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4770 (lower_omp_master): Likewise.
4771 (lower_omp_ordered): Likewise.
4772 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4773 (move_stmt_r): Use it to remap labels. Handle recursion vs
4774 remap_decls_p properly.
4775 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4776 (find_outermost_region_in_block): New.
4777 (new_label_mapper): New.
4778 (move_sese_region_to_fn): Copy eh information to the new function
4780 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4782 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4785 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4787 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4788 into shared libraries.
4790 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4792 * doc/md.texi: Refer to i386/constraints.md instead of
4794 * config/i386/constraints.md: New file, extracted from...
4795 * config/i386/predicates.md: ...here.
4796 * config/i386/i386.md: Include constraints.md.
4798 2006-03-21 Jason Merrill <jason@redhat.com>
4800 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4803 * expr.c (init_block_move_fn): Force default visibility.
4804 (init_block_clear_fn): Likewise.
4805 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4806 * targhooks.c (default_external_stack_protect_fail): Likewise.
4808 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4810 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4811 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4812 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4813 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4814 (loadgp): Use mips_current_loadgp_style.
4815 (loadgp_noshared): New pattern.
4816 (sibcall_internal): Use MIPS_CALL.
4817 (sibcall_value_internal): Likewise.
4818 (sibcall_value_multiple_internal): Likewise.
4819 (call_internal): Likewise.
4820 (call_value_internal): Likewise.
4821 (call_value_multiple_internal): Likewise.
4822 (call_split): Use MIPS_CALL and add an 'S' constraint.
4823 (call_value_split): Likewise.
4824 (call_value_multiple_split): Likewise.
4825 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4826 (-mshared): New option.
4827 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4828 (mips_current_loadgp_style): Declare.
4829 * config/mips/mips.c (mips_classify_symbol): Avoid using
4830 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4831 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4832 TARGET_ABSOLUTE_ABICALLS.
4833 (override_options): Adjust comments. Improve the warning that is
4834 issued when -mabicalls and -G are used together.
4835 (mips_file_start): Remove comment.
4836 (mips_current_loadgp_style): New function.
4837 (mips_gnu_local_gp): New variable.
4838 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4840 (mips_output_function_prologue): Use mips_current_laodgp_style.
4841 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4842 the cprestore instruction.
4843 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4844 live for TARGET_ABSOLUTE_ABICALLS.
4845 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4846 (ASM_SPEC): Pass down -mshared and -mno-shared.
4847 (MIPS_CALL): New macro.
4848 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4850 * doc/invoke.texi (-mabicalls): Update documentation.
4851 (-mshared): Document.
4853 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4855 * config/ia64/unwind-hpux.c: New file.
4856 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4858 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4861 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4863 2006-03-21 Jeff Law <law@redhat.com>
4865 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4866 type conversions of a VR_VARYING source to a wider type.
4868 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4870 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4871 tm_file on Solaris 10 and later.
4872 (sparc64-*-solaris2*): Likewise.
4873 (sparc-*-solaris2*): Likewise.
4874 * config/sol26.h: Rename to config/sol2-6.h.
4875 * config/sol2-10.h: New file.
4877 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4880 * tree-ssa-pre.c (create_component_ref_by_pieces):
4883 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4886 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4887 return it immediately.
4889 2006-03-21 Michael Matz <matz@suse.de>
4891 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4893 (remove_arc, add_arc): Update num_out_arcs member.
4894 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4896 (cache_presence): New function.
4897 (compare_states_for_equiv): New function.
4898 (state_is_differed): Don't take number of outargs, adjust callers.
4899 Use new invariant for speeding up.
4900 (init_equiv_class): Create initial classes based on sorted
4902 (partition_equiv_class): Don't track out_arcs_num.
4903 (evaluate_equiv_classes): Call cache_presence on all states and
4906 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4908 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4909 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4910 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4911 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4913 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4914 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4915 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4916 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4917 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4919 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4920 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4921 (REGNO_REG_CLASS): ARGP is in PREGS.
4922 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4924 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4925 to deal with those addresses.
4926 * addresses.h: New file.
4927 * caller-save.c: Include "addresses.h".
4928 (init_caller_save): Use new base_reg_class function.
4929 * rtl-factoring.c: Include "addresses.h".
4930 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4931 * recog.c: Include "addresses.h".
4932 (preprocess_constraints): Use new base_reg_class function.
4933 * regrename.c: Include "addresses.h".
4934 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4935 functions. Keep track of a new var INDEX_CODE to compute valid
4937 (replace_oldest_value_addr): Likewise.
4938 (replace_oldest_value_mem): Use base_reg_class.
4939 * reload.c: Include "addresses.h".
4940 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4941 (find_reloads): Use new base_reg_class function.
4942 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4943 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4944 all callers and prototype changed.
4945 * reload1.c: Include "addresses.h".
4946 (maybe_fix_stack_asms): Use base_reg_class.
4947 * regclass.c: Include "addresses.h".
4948 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4949 (init_reg_autoinc): Use new base_reg_class function.
4950 (record_reg_classes): Likewise.
4951 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4952 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4953 Use new args to compute necessary class.
4955 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4956 regrename.o, rtl-factoring.o): Update dependencies.
4957 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4958 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4959 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4960 REG_OK_FOR_INDEX_P): Delete documentation.
4962 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4964 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4965 from V7 to V9 for Solaris 7 and above.
4967 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4969 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4970 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4971 argument pointers may not alias any other storage.
4972 * common.opt: Define option -fargument-noalias-anything.
4973 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4974 alias semantics is specified by flag_argument_noalias > 2.
4976 2006-03-20 Jeff Law <law@redhat.com>
4978 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4979 (pass_phi_only_cprop): Declare.
4980 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4982 * tree-ssa-dom.c (degenerate_phi_result): New function.
4983 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4984 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4985 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4986 (eliminate_degenerate_phis): Likewise.
4987 (pass_phi_only_cprop): New pass descriptor.
4988 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4989 support code. Callers updated.
4990 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4991 (store_copy_prop): Likewise.
4992 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4994 2006-03-20 Jason Merrill <jason@redhat.com>
4997 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4998 (push_visibility, pop_visibility): Likewise.
4999 * c-pragma.h: Declare them.
5001 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5003 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5005 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5006 parameter and use get_ebb_head_tail.
5007 (sh_md_init_global): Adjust uses of find_regmode_weight.
5009 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5011 * function.h (struct function) <x_tail_recursion_reentry>:
5012 Rename to x_stack_check_probe_note.
5013 (tail_recursion_reentry): Rename to stack_check_probe_note.
5014 * function.c: Replace tail_recursion_reentry with
5015 stack_check_probe_note everywhere.
5016 (expand_function_start): Only emit a note for
5017 stack_check_probe_note with -fstack-protect.
5018 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5020 * emit-rtl.c (remove_unnecessary_notes): Remove.
5021 (pass_remove_unnecessary_notes): Remove.
5022 * rtl.h (remove_unnecessary_notes): Remove prototype.
5023 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5024 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5025 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5027 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5030 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5031 (valid_in_set): Handle ARRAY_REF.
5032 Change "if min_variant or VH" to asserts.
5033 (create_component_ref_by_pieces): Handle ARRAY_REF.
5034 (create_expression_by_pieces): Likewise.
5035 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5037 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5039 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5040 is operand of switch, not str[0].
5042 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5044 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5045 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5047 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5049 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5050 end of insn_extra_address_constraint declaration.
5052 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5054 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5055 (no-sum-in-toc): Same.
5056 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5058 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5059 NO_FP_IN_TOC for -fPIC instead of mask.
5061 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5062 (BOOT_LDFLAGS): Delete.
5064 * config/rs6000/t-aix52: Same.
5066 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5067 (stmsi[345678]_power): New.
5069 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5071 * config/ia64/ia64.opt: Add empty line to end of file.
5073 2006-03-17 Richard Guenther <rguenther@suse.de>
5076 * builtins.c (get_pointer_alignment): For component style references
5077 adjust alignment to the component type alignment. Make sure
5078 to adjust alignment for component access of constants.
5080 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5082 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5085 2006-03-17 Paul Brook <paul@codesourcery.com>
5087 * doc/install.texi: Docuemnt --with-mode.
5088 * config.gcc: Add --with-mode for arm*-*-*.
5089 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5091 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5093 * sh.c (max_labelno_before_reorg): New variable.
5094 (sh_reorg): Initialize it.
5095 (find_barrier): Check max_labelno_before_reorg before using
5096 label_to_alignment. Take length of explicit alignment insns
5097 into account. When seeing a UNSPECV_CONST_END, return it.
5099 * sh.c (fixup_mova): Set mode of affected label to QImode.
5100 (untangle_mova): New function.
5101 (find_barrier): Use it. Check mode of label before decrementing
5103 (sh_reorg): Likewise.
5104 Set mode of all insns back to VOIDmode.
5106 * sh.c (MOVA_LABELREF): New macro.
5107 (mova_p, fixup_mova, sh_reorg): Use it.
5108 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5109 ADDR_DIFF_VEC matches mova.
5111 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5113 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5114 with ATTRIBUTE_UNUSED.
5116 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5118 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5119 pointer, instead of assuming it is possible to derive the
5120 correct args size from a call insn.
5122 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5124 * rtl.h (CONST_INT_P): Define.
5125 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5126 instead of GET_CODE(x) == CONST_INT.
5127 (vax_rtx_costs): Likewise.
5128 (vax_output_int_move): Likewise.
5129 (vax_output_int_add): Likewise.
5130 (legitimate_constant_address_p): Likewise.
5131 (index_term_p): Likewise.
5132 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5133 * config/vax/vax.md (and<mode>3): Likewise.
5134 (ashrsi3): Likewise.
5136 (movstricthi): Likewise.
5137 (movstrictqi): Likewise.
5138 (rotrsi3): Likewise.
5139 (five unnamed insns): Likewise.
5141 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5143 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5144 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5145 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5146 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5147 Pass to ASM_OUTPUT_DWARF_OFFSET.
5148 * dwarf2out.c (debug_frame_section): New.
5149 (output_call_frame_info): Use debug_frame_section. Pass it to
5150 dw2_asm_output_offset.
5151 (output_die): Pass appropriate section to dw2_asm_output_offset.
5152 (output_compilation_unit_header): Likewise.
5153 (output_pubnames): Likewise.
5154 (output_aranges): Likewise.
5155 (enum dw_val_class): Break dw_val_class_lbl_offset into
5156 dw_val_class_lineptr and dw_val_class_macptr.
5157 (add_AT_lbl_offset): Delete.
5158 (add_AT_lineptr): New.
5159 (add_AT_macptr): New.
5160 (AT_lbl): Expect a lineptr or macptr.
5161 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5162 (attr_checksum): Likewise.
5163 (same_dw_val_p): Likewise.
5164 (size_of_die): Likewise.
5165 (value_format): Likewise.
5166 (output_die): Likewise.
5167 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5169 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5170 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5171 * config/darwin-protos.h (darwin_file_start): New.
5172 (darwin_asm_output_dwarf_offset): New.
5173 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5174 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5176 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5177 if not EH section; simplify.
5178 (darwin_file_start): New.
5179 (darwin_asm_output_dwarf_offset): New.
5180 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5182 (DEBUG_INFO_SECTION): Likewise.
5183 (DEBUG_ABBREV_SECTION): Likewise.
5184 (DEBUG_ARANGES_SECTION): Likewise.
5185 (DEBUG_MACINFO_SECTION): Likewise.
5186 (DEBUG_LINE_SECTION): Likewise.
5187 (DEBUG_LOC_SECTION): Likewise.
5188 (DEBUG_PUBNAMES_SECTION): Likewise.
5189 (DEBUG_STR_SECTION): Likewise.
5190 (DEBUG_RANGES_SECTION): Likewise.
5191 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5192 (ASM_OUTPUT_DWARF_OFFSET): New.
5194 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5196 * config.gcc (tm_defines): Always add to previous value rather
5199 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5201 * config/mips/predicates.md (splittable_const_int_operand): New,
5202 split from move_operand.
5203 (splittable_symbolic_operand): New.
5204 (move_operand): Add commentary. Use splittable_const_int_operand.
5205 Inline mips_atomic_symbolic_constant_p.
5206 * config/mips/mips.md: Add combine splitters for handling moves
5207 of splittable_const_int_operands and splittable_symbolic_operands.
5208 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5209 (mips_split_symbol): Declare.
5210 (mips_move_integer): Declare.
5211 * config/mips/mips.c (mips_split_p): Make global.
5212 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5213 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5214 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5215 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5216 (mips_offset_within_object_p): Handle block symbols.
5217 (mips_atomic_symbolic_constant_p): Delete.
5218 (mips_cannot_force_const_mem): Return false for constants that
5219 mips_legitimize_move can handle.
5220 (mips_use_blocks_for_constant_p): New function.
5221 (mips_split_symbol): Make global.
5222 (mips_move_integer): Likewise. Add a temporary register argument.
5223 (mips_legitimize_const_move): Use splittable_const_int_operand and
5224 splittable_symbolic_operand.
5225 (mips_use_anchors_for_symbol_p): New function.
5226 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5227 (mips_split_p): Declare.
5229 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5231 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5232 (mips*-*-linux*): Likewise.
5234 2006-03-16 Roger Sayle <roger@eyesopen.com>
5235 Daniel Speyer <dspeyer@wam.umd.edu>
5238 * tree-dump.c (dump_real): New function.
5239 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5240 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5241 (tree-dump.o): Add $(REAL_H) to the dependencies.
5243 2006-03-16 Roger Sayle <roger@eyesopen.com>
5246 * real.c (real_from_string): If the mantissa is zero, don't bother
5247 parsing the exponent as the result should always be zero.
5249 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5251 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5253 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5255 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5256 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5257 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5258 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5259 ia64_sched_finish_global): New static functions to implement
5260 hooks from gcc_target.sched.
5261 (spec_check_no, max_uid, pending_data_specs): New static variables.
5262 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5263 ia64_spec_check_src_p): New static functions.
5264 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5265 (TARGET_SCHED_ADJUST_COST): Removed.
5266 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5267 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5268 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5269 TARGET_SCHED_GEN_CHECK,
5270 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5271 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5272 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5273 Fixed to handle speculation checks.
5274 (rtx_needs_barrier): Fixed to handle speculative loads and
5276 (ia64_variable_issue): Added code to count speculative loads and their
5278 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5280 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5282 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5284 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5285 (ia64_reorg): Reset stops_p to NULL after it is freed.
5286 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5287 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5288 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5290 (data_speculative, control_speculative, check_load): New attributes.
5291 (mov<mode>_advanced, mov<mode>_speculative,
5292 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5293 zero_extend<mode>di2_speculative,
5294 zero_extend<mode>di2_speculative_advanced): New patterns for
5295 data and control speculative loads.
5296 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5298 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5299 New pattern for data and control speculation checks.
5300 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5301 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5302 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5303 Auxiliary definitions for the patterns.
5304 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5305 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5307 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5309 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5310 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5311 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5312 New resource constraints.
5313 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5315 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5316 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5317 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5318 msched-in-control-spec, msched-ldc, msched-control-ldc,
5319 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5320 msched-prefer-non-control-spec-insns,
5321 msched-count-spec-in-critical-path): New flags to tune speculative
5323 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5324 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5325 msched-in-control-spec, msched-ldc, msched-control-ldc,
5326 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5327 msched-prefer-non-control-spec-insns,
5328 msched-count-spec-in-critical-path): Document new flags.
5330 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5332 * target.h (struct spec_info_def): New opaque declaration.
5333 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5334 speculate_insn, needs_block_p, gen_check,
5335 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5336 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5337 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5338 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5339 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5340 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5342 (TARGET_SCHED): Use new macros.
5343 * rtl.h (copy_DEPS_LIST_list): New prototype.
5344 * sched-int.h (struct sched_info): Change signature of new_ready field,
5345 adjust all initializations. New fields: add_remove_insn,
5346 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5347 region_head_or_leaf_p.
5348 (struct spec_info_def): New structure declaration.
5349 (spec_info_t): New typedef.
5350 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5351 recovery_block, orig_pat.
5352 (glat_start, glat_end): New variables declaraions.
5353 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5355 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5356 DETACH_LIFE_INFO, USE_GLAT.
5357 (enum SPEC_SCHED_FLAGS): New enumeration.
5358 (NOTE_NOTE_BB_P): New macro.
5359 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5360 attach_life_info, debug_spec_status, check_reg_live): New functions.
5361 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5362 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5364 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5365 * ddg.c (get_block_head_tail): Adjust all uses.
5366 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5367 (sms_sched_info): Initialize new fields.
5368 (contributes_to_priority): Removed.
5369 * haifa-sched.c (params.h): New include.
5370 (get_block_head_tail): Adjust all uses.
5371 (ISSUE_POINTS): New macro.
5372 (glat_start, glat_end): New global variables.
5373 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5374 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5375 old_last_basic_block, before_recovery, current_sched_info_var,
5376 rgn_n_insns, luid): New static variables.
5377 (insn_cost1): New function. Move logic from insn_cost to here.
5378 (find_insn_reg_weight1): New function. Move logic from
5379 find_insn_reg_weight to here.
5380 (reemit_notes, move_insn, max_issue): Change signature.
5381 (move_insn1): Removed.
5382 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5383 extend_bb): New static functions to support extension of scheduler's
5385 (generate_recovery_code, process_insn_depend_be_in_spec,
5386 begin_speculative_block, add_to_speculative_block,
5387 init_before_recovery, create_recovery_block, create_check_block_twin,
5388 fix_recovery_deps): New static functions to support
5389 generation of recovery code.
5390 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5391 restore_bb_notes, move_block_after_check, move_succs): New static
5392 functions to support ebb scheduling.
5393 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5394 functions to support handling of register live information.
5395 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5396 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5397 add_jump_dependencies): New static functions.
5398 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5399 consistancy checking.
5400 (debug_spec_status): New function to call from debugger.
5401 (priority): Added code to handle speculation checks.
5402 (rank_for_schedule): Added code to distinguish speculative instructions.
5403 (schedule_insn): Added code to handle speculation checks.
5404 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5405 Fixed to handle ebbs.
5406 (move_insn): Added code to handle ebb scheduling.
5407 (max_issue): Added code to use ISSUE_POINTS of instructions.
5408 (choose_ready): Added code to choose between speculative and
5409 non-speculative instructions.
5410 (schedule_block): Added code to handle ebb scheduling and scheduling of
5411 speculative instructions.
5412 (sched_init): Initialize new variables.
5413 (sched_finish): Free new variables. Print statistics.
5414 (try_ready): Added code to handle speculative instructions.
5415 * lists.c (copy_DEPS_LIST_list): New function.
5416 * sched-deps.c (extend_dependency_caches): New function. Move logic
5417 from create_dependency_caches to here.
5418 (get_dep_weak, ds_merge): Make global.
5419 * genattr.c (main): Code to output prototype for
5420 dfa_clear_single_insn_cache.
5421 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5422 (output_dfa_clean_insn_cache_func): Code to output
5423 dfa_clear_single_insn_cache function.
5424 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5426 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5428 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5429 New static variables.
5430 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5431 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5433 (ebb_sched_info): Initialize new fields.
5434 (get_block_head_tail): Adjust all uses.
5435 (compute_jump_reg_dependencies): Fixed to use glat_start.
5436 (schedule_ebb): Code to remove unreachable last block.
5437 (schedule_ebbs): Added code to update register live information.
5438 * sched-rgn.c (region_sched_info): Initialize new fields.
5439 (get_block_head_tail): Adjust all uses.
5440 (last_was_jump): Removed. Adjust users.
5441 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5442 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5443 Implement new hooks.
5444 (check_dead_notes1): New static function.
5445 (struct region): New fields: dont_calc_deps, has_real_ebb.
5446 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5447 (BB_TO_BLOCK): Fixed to handle EBBs.
5448 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5449 (ebb_head): New static variable.
5450 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5451 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5453 (compute_dom_prob_ps): New assertion.
5454 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5455 global_live_at_start.
5456 (init_ready_list): New assertions.
5457 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5458 (new_ready): Add support for BEGIN_CONTROL speculation.
5459 (schedule_insns): Fixed code that updates register live information
5461 (schedule_region): Fixed to handle EBBs.
5462 (init_regions): Use extend_regions and check_dead_notes1.
5463 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5464 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5465 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5466 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5467 TARGET_SCHED_GEN_CHECK,
5468 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5469 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5470 * doc/invoke.texi (max-sched-insn-conflict-delay,
5471 sched-spec-prob-cutoff): Document.
5473 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5475 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5476 inter_tick, queue_index.
5477 (struct sched_info): Change signature of init_ready_list field.
5478 Adjust all initializations.
5479 (RESOLVED_DEPS): New access macro.
5480 (ready_add): Remove prototype.
5481 (try_ready): Add prototype.
5482 * sched-rgn.c (init_ready_list): Use try_ready.
5483 (schedule_region): Initialize
5484 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5485 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5486 (init_ready_list): Use try_ready.
5487 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5488 * lists.c (remove_list_elem): Remove `static'.
5489 (remove_free_INSN_LIST_elem): New function.
5490 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5491 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5492 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5494 (readyp): New variable.
5495 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5496 change_queue_index, resolve_dep): New static functions.
5497 (try_ready): New function. Adjust callers in sched-rgn.c and
5498 sched-ebb.c to use it instead of ready_add.
5499 (clock_var): Move at the begining of file.
5500 (rank_for_schedule): Fix typo.
5501 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5502 (ready_lastpos): Enforce assertion.
5503 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5505 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5506 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5507 (queue_to_ready): Use free_INSN_LIST_list.
5508 (early_queue_to_ready): Fix typo.
5509 (schedule_block): Init readyp. Move init_ready_list call after the
5510 initialization of clock_var. Fix error in rejecting insn by
5511 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5512 that previously corrected INSN_TICKs. Add code for handling
5514 (set_priorities): Fix typo.
5515 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5516 Clarify comment and code that keeps current_sched_info->next_tail
5519 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5521 * sched-rgn.c (extend_rgns): New static function.
5522 (find_rgns): Use it.
5523 (gather_region_statistics, print_region_statistics): New static
5525 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5526 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5528 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5529 Andrey Belevantsev <abel@ispras.ru>
5531 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5532 * lists.c (unused_deps_list): New variable.
5533 (free_list): Add assertions to verify the proper distinguishing
5534 between INSN_LISTs and DEPS_LISTs.
5535 (find_list_elem, remove_list_elem, remove_list_node): New static
5537 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5538 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5539 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5540 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5542 (free_INSN_LIST_node): Likewise.
5543 * modulo-sched.c (current_sched_info): Initialize flags field.
5544 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5545 * rtl.def (DEPS_LIST): Define.
5546 * rtl.h: Declare new functions from lists.c.
5547 * sched-deps.c (spec_dependency_cache): New static variable.
5548 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5549 (add_dependence): Change return type to void. Move the logic to ...
5550 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5551 (delete_all_dependences): Add comment about forward_dependency_cache.
5552 Handle spec_dependency_cache. Handle DEPS_LISTs.
5553 (fixup_sched_groups): Clarify the change of priority of output
5554 and anti dependencies.
5555 (sched_analyze_2): Adjust add_dependence calls to create data
5556 speculative dependence.
5557 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5558 Adjust all callers. Handle DEPS_LISTS.
5559 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5560 presence of speculation.
5561 (init_dependency_caches, free_dependency_caches):
5562 Handle spec_dependency_cache.
5563 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5564 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5565 New static functions.
5566 (add_or_update_back_dep, add_or_update_back_forw_dep,
5567 add_back_forw_dep, delete_back_forw_dep): New functions.
5568 * sched-int.h (ds_t, dw_t): New typedefs.
5569 (struct sched_info): Add new field flags.
5570 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5571 Prototype new sched-deps.c functions.
5572 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5573 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5574 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5575 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5576 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5577 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5579 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5581 * sched-rgn.c (current_sched_info): Initialize flags field.
5582 (schedule_insns): Initialize current_sched_info before the sched_init
5584 * sched-ebb.c (current_sched_info): Initialize flags field.
5585 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5586 Call add_or_update_back_dep instead of add_dependence.
5587 Create control speculative dependencies.
5588 (schedule_insns): Initialize current_sched_info before the sched_init
5591 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5593 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5595 (sh_fallback_frame_state): Likewise.
5597 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5599 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5600 Do switch on default_use_cxa_atexit.
5601 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5602 * config/darwin-crt3.o: New.
5603 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5604 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5605 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5607 * config/rs6000/t-darwin: Move crt2.o building to here.
5608 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5609 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5612 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5614 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5615 from '! xxx' to '!xxx' for coding-style conformance.
5616 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5617 (EXTRA_CONSTRAINT): Likewise.
5618 * config/vax/vax.md (four unnamed insns): Likewise.
5620 2006-03-15 Paul Brook <paul@codesourcery.com>
5622 * config/arm/arm.c (minipool_pad): New.
5623 (add_minipool_forward_ref): Include pool alignment padding in address
5625 (push_minipool_fix): Set minipool_pad.
5626 (minipool_pad): Ditto.
5628 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5630 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5631 instead of GET_CODE() == MEM and REG_P() instead of
5633 (print_operand_address): Likewise.
5634 (vax_address_cost): Likewise.
5635 (vax_rtx_costs): Likewise.
5636 (vax_notice_update_cc): Likewise.
5637 (vax_output_int_add): Likewise.
5638 (INDEX_REGISTER_P): Likewise.
5639 (BASE_REGISTER_P): Likewise.
5640 (nonindexed_address_p): Likewise.
5641 (vax_mode_dependent_address_p): Likewise.
5642 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5643 (PRINT_OPERAND): Likewise.
5644 * config/vax/vax.md (ashlsi3): Likewise.
5645 (ashlsi3): Likewise.
5646 (some more unnamed insns): Likewise.
5648 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5650 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5651 iterator-style macro.
5652 (mark_control_dependent_edges_necessary): Update the use of
5653 EXECUTE_IF_CONTROL_DEPENDENT.
5655 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5657 * config/sh/predicates.md (cache_address_operand): Special.
5658 (ua_address_operand): Likewise.
5660 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5662 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5664 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5666 2006-03-15 Andreas Schwab <schwab@suse.de>
5668 * gensupport.c (identify_predicable_attribute): Don't free p_false
5669 when it is still in use.
5671 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5673 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5674 the default setting here.
5676 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5678 * tree-pass.h (pass_cfg): Remove.
5679 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5680 * passes.c (pass_cfg): Don't run it.
5682 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5684 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5685 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5687 (stack_regs_mentioned): Update the uses of
5688 stack_regs_mentioned_data. Don't access the array beyond its
5690 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5691 Don't include gt-reg-stack.h.
5693 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5694 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5696 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5699 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5702 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5704 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5706 2006-03-14 Richard Guenther <rguenther@suse.de>
5708 PR tree-optimization/26672
5709 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5712 2006-03-14 Richard Guenther <rguenther@suse.de>
5714 PR tree-optimization/26667
5715 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5716 node for the callees. Always allow inlining if it will shrink
5719 2006-03-14 Richard Guenther <rguenther@suse.de>
5722 * builtins.c (get_pointer_alignment): Prefer alignment
5723 information from decls over that from types.
5725 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5728 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5730 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5732 * config/rs6000/rs6000.opt (mdlmzb): New option.
5733 (msched-prolog, msched-epilog): Use Var not Mask.
5734 * doc/invoke.texi (-mdlmzb): Document.
5735 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5737 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5738 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5740 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5742 PR rtl-optimization/25739
5743 * bt-load.c (augment_live_range): Free tos pointer.
5745 * gensupport.c (identify_predicable_attribute): Free
5747 * gcov.c (create_file_names): Free name pointer.
5749 2006-03-13 Roger Sayle <roger@eyesopen.com>
5752 * stmt.c (emit_case_nodes): Handle the case where the index is a
5753 CONST_INT, where the comparison mode is specified by the index type.
5755 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5757 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5760 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5762 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5763 (*branch_fp_inverted): Likewise.
5765 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5768 * omp-low.c (expand_omp_for_generic): Mark istart0
5769 and iend0 as addressable.
5771 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5773 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5775 2006-03-13 Jeff Law <law@redhat.com>
5777 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5778 virtual operands are interesting.
5779 (vrp_visit_stmt): Corresponding changes.
5781 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5783 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5785 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5786 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5787 * config/bfin/crti.S: Use it instead of __PIC__.
5788 * config/bfin/crtn.S: Likewise.
5790 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5791 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5793 Lose 'G' modifier for call operand.
5794 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5795 recognize 'G' modifier.
5797 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5800 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5801 * stmt.c (expand_case): Likewise.
5803 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5805 PR rtl-optimization/26254
5806 * loop-invariant.c (seq_insns_valid_p): New function.
5807 (move_invariant_reg): Only emit new code if it is valid.
5809 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5811 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5813 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5814 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5815 (commit_one_edge_insertion): Do not look for loop notes.
5817 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5819 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5820 flag_test_coverage out of loop.
5822 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5824 * final.c (shorten_branches): Remove outdated comment, and turn
5825 the if branch that guards it to continue.
5827 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5829 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5830 * cfgloop.h (struct loop): Remove unused fields.
5832 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5834 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5835 (-dL, -fdump-rtl-loop2): Update the dump file names
5837 * doc/invoke.texi: Update dump file names.
5839 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5841 * predict.c (estimate_probability): Remove.
5842 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5843 * basic-block.h (estimate_probability): Remove prototype.
5844 * passes.c (finish_optimization_passes): Dump branch prediction or
5845 profiling heuristics to the .profile tree dump.
5846 (init_optimization_passes): Unqueue pass_branch_prob.
5848 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5850 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5852 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5853 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5855 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5857 * function.h (frame_offset_overflow): Declare.
5858 * function.c (frame_offset_overflow): New function.
5859 (assign_stack_local_1): Call it to detect that the offset overflows.
5860 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5862 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5864 * config/sh/sh.c: Include alloc-pool.h.
5865 (label_ref_list_pool): New alloc pool.
5866 (label_ref_list_t): New type for lists of labels.
5867 (struct pool_node): Make wend a label_ref_list_t.
5868 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5870 (dump_table): Likewise.
5871 (sh_reorg): Set up the alloc pool before using add_constant and
5872 dump_table, and destroy it when finishing.
5874 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5876 * config/mips/mips.c: Remove redundant comment.
5878 2006-03-10 Jason Merrill <jason@redhat.com>
5881 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5882 the target was declared 'register'.
5884 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5886 * genpreds.c (write_insn_constraint_len): Change definition of
5887 insn_constraint_len to return size_t to match the declaration.
5889 2006-03-10 DJ Delorie <dj@redhat.com>
5891 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5893 (m32c_expand_insv): Fix test for an AND mask.
5895 2006-03-10 Richard Guenther <rguenther@suse.de>
5898 * builtins.c (get_pointer_alignment): Handle component
5899 references for field alignment.
5901 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5903 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5904 when building with libgloss.
5905 (sh*elf): Implement --without-fp option.
5906 (sh64-superh-linux*): Don't multilib.
5908 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5910 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5912 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5914 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5915 Set it when one of the replacement functions returned true.
5916 Return TODO_cleanup_cfg if cfgchanged is true.
5917 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5919 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5921 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5922 instead of gen_lowpart.
5924 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5926 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5928 (mips_output_order_conditional_branch): Declare.
5929 * config/mips/mips.h (MIPS_BRANCH): New macro.
5930 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5931 for the comparison. Use gen_condjump.
5932 (mips_output_conditional_branch): Rework interface to take the
5933 asm templates for a direct branch and the inverse of a direct branch.
5934 (mips_output_order_conditional_branch): New function.
5935 (mips_builtin_branch_and_move): New function.
5936 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5937 branch condition. Use gen_single_cc as the condition for
5938 __builtin_mips_upper_* or __builtin_mips_lower_*.
5939 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5940 Use VOIDmode for the branch condition.
5941 * config/mips/predicates.md (order_operator): New predicate.
5942 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5943 (branch_fp): Rename to...
5944 (*branch_fp): ...this. Remove mode from comparison operator.
5945 Use new mips_output_conditional_branch interface.
5946 (branch_fp_inverted): Rename to...
5947 (*branch_fp_inverted): ...this and update as for *branch_fp.
5948 (*branch_zero<mode>): Rename to...
5949 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5950 Use mips_output_order_conditional_branch. Only accept ordered
5952 (*branch_zero<mode>_inverted): Rename to...
5953 (*branch_order<mode>_inverted): ...this and update as for
5954 *branch_order<mode>.
5955 (*branch_equality<mode>): Accept zero as the second operand to
5956 the equality operator. Use the new mips_output_conditional_branch
5958 (*branch_equality<mode>_inverted): Likewise.
5959 (condjump): New expander.
5960 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5962 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5963 (bc1any2t, bc1any2f): Likewise.
5964 (single_cc): New expander.
5965 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5967 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5969 * doc/md.texi: Update documentation of MIPS constraints.
5970 * config/mips/constraints.md: New file.
5971 * config/mips/mips.md: Include it.
5972 * config/mips/mips.c (mips_char_to_class): Delete.
5973 (override_options): Don't initialize mips_char_to_class.
5974 * config/mips/mips.h (mips_char_to_class): Delete.
5975 (REG_CLASS_FROM_LETTER): Delete.
5976 (CONST_OK_FOR_LETTER_P): Delete.
5977 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5978 (EXTRA_CONSTRAINT_Y): Delete.
5979 (EXTRA_CONSTRAINT_STR): Delete.
5980 (CONSTRAINT_LEN): Delete.
5981 (EXTRA_MEMORY_CONSTRAINT): Delete.
5983 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5985 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5986 original fn's eh regions.
5988 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5990 * fold-const.c (build_range_check): Make sure to use a valid type to
5991 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5994 (range_predecessor): New static function.
5995 (range_successor): Likewise.
5996 (merge_ranges): Use them to compute predecessors and successors of
5999 2006-03-09 Roger Sayle <roger@eyesopen.com>
6002 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6003 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6005 2006-03-08 DJ Delorie <dj@redhat.com>
6007 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6008 (addpsi3): Expand to include memory operands. Remove
6009 reload-specific splits.
6010 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6011 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6012 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6013 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6014 (shift1_qi, shift1_hi, insv): New.
6015 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6016 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6017 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6019 * config/m32c/m32c-protos.h: Update as needed.
6020 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6021 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6022 Fail for unrecognized R* constraints.
6023 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6024 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6025 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6027 (m32c_init_libfuncs): New.
6028 (m32c_legitimate_address_p): Add debug wrapper.
6029 (m32c_rtx_costs): New.
6030 (m32c_address_cost): New.
6031 (conversions): Add 'B' prefix.
6032 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6033 operands, or word regnames for QI operands. 'B' prints bit
6035 (m32c_expand_setmemhi): New.
6036 (m32c_expand_movmemhi): New.
6037 (m32c_expand_movstr): New.
6038 (m32c_expand_cmpstr): New.
6039 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6040 (m32c_expand_neg_mulpsi3): Handle non-ints.
6041 (m32c_cmp_flg_0): New.
6042 (m32c_expand_movcc): New.
6043 (m32c_expand_insv): New.
6044 (m32c_scc_pattern): New.
6045 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6046 a0/a1 out of SIregs.
6047 (STORE_FLAG_VALUE): New.
6048 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6051 * config/m32c/mov.md: Make constraints more liberal.
6052 (zero_extendqihi2): Optimize r0/r1 case.
6053 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6054 * config/m32c/predicates.md (m32c_any_operand): New.
6055 (m32c_nonimmediate_operand): New.
6056 (m32c_hl_operand): New.
6057 (m32c_r3_operand): New.
6060 (memsym_operand): New.
6061 (memimmed_operand): New.
6062 (a_qi_operand): New.
6063 (m32c_eqne_operator): New.
6064 (m32c_1bit8_operand): New.
6065 (m32c_1bit16_operand): New.
6066 (m32c_1mask8_operand): New.
6067 (m32c_1mask16_operand): New.
6068 * config/m32c/blkmov.md: New file.
6069 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6071 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6073 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6074 unsigned to fix signed/unsigned comparison issue in
6075 DWARF2_FRAME_REG_OUT.
6076 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6077 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6079 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6080 of ptr into the ENABLE_CHECKING section.
6082 2006-03-08 Jeff Law <law@redhat.com>
6084 * tree-vrp.c (infer_value_range): Only count pointer uses
6085 and dereferences if -fdelete-null-pointer-checks is enabled.
6087 * tree-vrp.c (find_assert_locations): Infer value ranges for
6088 single use pointers, but do not create ASSERT_EXPRs for them.
6089 When a non-null range is inferred for a pointer, backwards
6090 propagate that range to other equivalent pointers through the
6093 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6096 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6097 language hook targets.
6098 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6099 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6100 if language hook targets were missing.
6102 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6104 * tree-ssa-opfinalize.h: Removed.
6105 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6107 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6108 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6109 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6110 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6111 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6112 finalize_ssa_v_must_def_ops): New.
6114 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6116 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6119 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6121 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6123 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6124 addresses with offsets; reorganize.
6126 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6127 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6128 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6130 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6133 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6135 2006-03-08 Ben Elliston <bje@au.ibm.com>
6137 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6139 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6142 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6145 2006-03-07 Richard Guenther <rguenther@suse.de>
6147 PR tree-optimization/26587
6148 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6150 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6152 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6154 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6156 * hooks.c (hook_bool_mode_rtx_true): New function.
6157 * hooks.h (hook_bool_mode_rtx_true): Declare.
6158 * toplev.c (compile_file): Call output_shared_constant_pool.
6159 * varasm.c (shared_constant_pool): New variable.
6160 (assemble_start_function, assemble_end_function): Remove arguments
6161 from call to output_constant_pool.
6162 (create_constant_pool): New function, split out from...
6163 (init_varasm_status): ...here.
6164 (force_const_mem): Choose between the shared and per-function constant
6165 pools. Set current_function_uses_const_pool when reusing old entries
6166 as well as when creating new ones.
6167 (mark_constant): Ignore data argument.
6168 (mark_constants): Remove pool argument.
6169 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6170 to decide whether the function uses a constant pool.
6171 (output_constant_pool_contents): New function, split out from...
6172 (output_constant_pool): ...here.
6173 (output_shared_constant_pool): New function.
6174 (init_varasm_once): Initialize shared_constant_pool.
6175 * output.h (output_constant_pool): Delete.
6176 (output_shared_constant_pool): Declare.
6177 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6178 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6180 2006-03-06 Nick Clifton <nickc@redhat.com>
6182 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6183 flag_strength_reduce.
6185 2006-03-06 Ben Elliston <bje@au.ibm.com>
6187 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6188 x86_64-*-linux* configurations.
6190 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6191 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6193 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6195 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6197 * basic-block.h: Remove the extern for
6198 rediscover_loops_after_threading.
6200 * cfgloop.c (cancel_loop): Make it static.
6201 * cfgloop.h: Remove the prototype for cancel_loop.
6203 * flow.c (recompute_reg_usage): Make it static.
6204 * rtl.h: Remove the prototype for recompute_reg_usage.
6206 * function.c (use_return_register): Make it static.
6207 * function.h: Remove the prototype.
6209 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6211 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6213 * recog.h: Remove the prototype for
6214 validate_change_maybe_volatile.
6216 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6218 * rtlanal.c (replace_reg): Remove.
6219 * rtl.h: Remove the prototype for replace_reg.
6221 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6223 * regclass.c (reg_scan_update): Remove.
6224 (reg_scan_mark_refs): Remove the last argument.
6225 * rtl.h: Remove the prototype for reg_scan_update.
6227 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6229 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6230 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6231 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6232 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6233 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6234 loop-invariant.c, omp-low.c, opts.c, passes.c,
6235 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6236 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6237 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6238 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6239 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6240 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6242 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6244 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6245 * dwarf2out.h: Remove the prototype for
6246 dwarf2out_add_library_unit_info.
6248 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6250 * tree.c (add_var_to_bind_expr): Remove.
6251 * tree.h: Remove the prototype for add_var_to_bind_expr.
6253 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6255 * regclass.c (n_non_fixed_regs): Remove.
6256 (init_reg_sets_1, globalize_reg): Remove all uses of
6258 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6260 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6262 * rtlanal.c (insns_safe_to_move_p): Remove.
6263 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6265 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6267 * expmed.c (expand_mult_add): Remove.
6268 * expr.h: Remove the prototype for expand_mult_add.
6270 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6272 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6273 and REG_SAVED_VAL_EXP constants.
6274 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6275 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6276 Handle regs stored by value.
6277 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6278 (execute_cfa_program): Handle DW_CFA_val_offset,
6279 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6280 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6281 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6282 (uw_install_context_1): Handle target regs stored by value.
6284 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6286 * tree-sra.c (tree_sra): Return todoflags;
6287 (generate_one_element): Set TODO_update_smt_usage if needed.
6288 (pass_sra): Remove TODO_update_smt_usage.
6289 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6291 (tree_ssa_forward_propagate_single_use_vars): Return
6292 TODO_update_smt_usage if we need to update SMT usage.
6293 (pass_forwprop): Remove TODO_update_smt_usage.
6295 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6297 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6298 (correct_use_link): Remove reference to get_stmt_operands.
6299 (update_stmt_operands): Likewise.
6300 (get_modify_expr_operands): New function factored out of
6301 parse_ssa_operands and get_expr_operands.
6302 Try to create V_MUST_DEFs for LHS by default.
6303 (get_expr_operands) <case MODIFY_EXPR>: Call
6304 get_modify_expr_operands.
6305 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6306 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6307 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6308 get_modify_expr_operands.
6310 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6312 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6313 * tree-flow.h: Remove the prototype for
6314 referenced_var_lookup_if_exists.
6316 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6318 PR rtl-optimization/26345
6320 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6322 2006-03-03 Roger Sayle <roger@eyesopen.com>
6324 PR tree-optimization/26524
6325 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6326 fold_convert to create a constant of the appropriate type.
6328 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6330 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6331 SYMBOL_REF_IN_BLOCK_P.
6332 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6333 of SYMBOL_FLAG_IN_BLOCK.
6334 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6335 instead of SYMBOL_REF_IN_BLOCK_P.
6336 * explow.c (use_anchored_address): Likewise.
6337 * rtl.c (rtx_size): Likewise.
6338 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6339 instead of SYMBOL_FLAG_IN_BLOCK.
6340 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6341 SYMBOL_REF_IN_BLOCK_P.
6342 (assemble_variable): Likewise.
6343 (output_constant_def_contents): Likewise.
6344 (output_constant_pool): Likewise.
6345 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6346 instead of SYMBOL_FLAG_IN_BLOCK.
6347 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6348 SYMBOL_REF_IN_BLOCK_P.
6349 (SYMBOL_REF_BLOCK): Likewise.
6350 (SYMBOL_REF_OFFSET): Likewise.
6351 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6352 SYMBOL_REF_IN_BLOCK_P.
6353 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6354 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6355 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6356 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6358 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6360 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6362 2006-03-02 Roger Sayle <roger@eyesopen.com>
6364 * simplify-rtx.c (simplify_unary_operation): When simplifying
6365 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6366 that we perform the right shift in the appropriate mode, and
6367 then extend or truncate the result to requested mode.
6369 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6371 * gengtype.c (main): Handle double_int type.
6372 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6373 * double-int.c: New file.
6374 * double-int.h: New file.
6375 * system.h: Include doubleint.h.
6376 * Makefile.in (SYSTEM_H): Include double-int.h.
6377 (double-int.o): Add.
6379 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6382 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6385 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6387 * tree-vrp.c (remove_range_assertions): Do not update statements
6390 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6392 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6394 * gcse.c (rest_of_handle_gcse): Ditto.
6395 * except.c (gate_handle_eh): Ditto.
6396 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6397 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6399 2006-03-02 Eric Christopher <echristo@apple.com>
6401 * config/i386/i386.c (machopic_output_stub): Add indirection to
6404 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6408 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6410 Sun Niagara specific optimizations.
6411 * config.gcc: Recognize niagara as target.
6412 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6413 (TARGET_CPU_niagara): Define.
6414 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6415 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6416 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6417 (ASM_CPU_SPEC): Likewise.
6418 (PROCESSOR_NIAGARA): New enum entry.
6419 (REGISTER_MOVE_COST): Handle Niagara.
6420 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6421 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6422 (sparc_override_options): Recognize "niagara", set appropriate
6423 default MASK_* values for it, and align functions to 32-bytes
6424 by default just like ULTRASPARC/ULTRASPARC3.
6425 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6426 (sparc64_initialize_trampoline): Likewise.
6427 (sparc_use_sched_lookahead): Use zero for niagara.
6428 (sparc_issue_rate): Use one for niagara.
6429 * config/sparc/niagara.md: New file.
6430 * config/sparc/sparc.md: Include it.
6431 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6432 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6433 when default cpu is niagara.
6434 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6435 (ASM_CPU_SPEC): Likewise.
6436 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6437 when default cpu is niagara.
6438 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6439 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6440 just like v9/ultrasparc/ultrasparc3.
6441 * doc/invoke.texi: Add documentation for "niagara" and improve
6442 existing documentation for ultrasparc variants.
6444 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6446 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6448 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6450 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6451 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6452 and say that only one is needed.
6453 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6454 * target.h (have_switchable_bss_sections): New hook.
6455 * explow.c (use_anchored_address): Check that the symbol is in a block.
6456 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6457 (bss_noswitch_section): New variables.
6458 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6459 (get_noswitch_section): New function.
6460 (get_block_for_section): Allow SECT to be null.
6461 (unlikely_text_section_p): Use SECTION_STYLE.
6462 (bss_initializer_p): New function.
6463 (get_variable_section): Move earlier in file. Take a new argument,
6464 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6465 Return one of the new *_sections in such cases.
6466 (get_block_for_decl): New function, extracting some logic from
6467 use_blocks_for_decl_p.
6468 (change_symbol_section): Remove in favor of...
6469 (change_symbol_block): ...this new function.
6470 (use_blocks_for_decl_p): Remove checks now performed by
6472 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6473 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6474 (emit_local, emit_bss, emit_common): ...these new functions.
6475 Return true if the alignment was honored.
6476 (emit_tls_common): New function.
6477 (asm_emit_uninitialised): Delete.
6478 (assemble_variable_noswitch): New function, split out from...
6479 (assemble_variable): ...here. Don't make decisions about common
6480 variables here. Globalize all public decls that go into non-common
6481 sections. Check whether SYMBOL_REF_BLOCK is null.
6482 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6483 (output_constant_pool): Likewise.
6484 (init_varasm_once): Initialize the new section variables.
6485 (have_global_bss_p): New function.
6486 (categorize_decl_for_section): Use bss_initializer_p.
6487 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6488 (place_block_symbol): Assert that the symbol must be in a block.
6489 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6490 (TARGET_INITIALIZER): Include it.
6491 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6492 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6493 (SECTION_MACH_DEP): Bump by two.
6494 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6495 (unnamed_section): Mention SECTION_UNNAMED in comment.
6496 (named_section): Likewise SECTION_NAMED.
6497 (noswitch_section_callback): New type.
6498 (noswitch_section): New structure.
6499 (section): Add a noswitch_section alternative.
6500 (SECTION_STYLE): New macro.
6501 (tls_comm_section, comm_section, lcomm_section): Declare.
6502 (bss_noswitch_section, have_global_bss_p): Declare.
6503 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6504 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6506 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6507 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6510 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6512 * tree-vrp.c (execute_vrp): Return value.
6513 * regrename.c (rest_of_handle_regrename): Ditto.
6514 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6515 * tree-complex.c (tree_lower_complex): Ditto.
6516 (tree_lower_complex_O0): Ditto.
6517 * tracer.c (rest_of_handle_tracer): Ditto.
6518 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6519 * postreload.c (rest_of_handle_postreload): Ditto.
6520 * tree-tailcall.c (execute_tail_recursion): Ditto.
6521 (execute_tail_calls): Ditto.
6522 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6523 * tree.h (init_function_for_compilation): Ditto.
6524 * ipa-cp.c (ipcp_driver): Ditto.
6525 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6526 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6527 * final.c (compute_alignments): Ditto.
6528 (rest_of_handle_final): Ditto.
6529 (rest_of_handle_shorten_branches): Ditto.
6530 (rest_of_clean_state): Ditto.
6531 * omp-low.c (execute_expand_omp): Ditto.
6532 (execute_lower_omp): Ditto.
6533 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6534 * ipa-reference.c (static_execute): Ditto.
6535 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6536 * reorg.c (rest_of_handle_delay_slots): Ditto.
6537 (rest_of_handle_machine_reorg): Ditto.
6538 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6539 * flow.c (recompute_reg_usage): Ditto.
6540 (rest_of_handle_remove_death_notes): Ditto.
6541 (rest_of_handle_life): Ditto.
6542 (rest_of_handle_flow2): Ditto.
6543 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6544 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6545 (do_ssa_store_ccp): Ditto.
6546 (execute_fold_all_builtins): Ditto.
6547 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6548 * modulo-sched.c (rest_of_handle_sms): Ditto.
6549 * ipa-pure-const.c (static_execute): Ditto.
6550 * cse.c (rest_of_handle_cse): Ditto.
6551 (rest_of_handle_cse2): Ditto.
6552 * web.c (rest_of_handle_web): Ditto.
6553 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6554 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6555 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6556 * tree-nrv.c (tree_nrv): Ditto.
6557 (execute_return_slot_opt): Ditto.
6558 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6559 (create_structure_vars): Ditto.
6560 * loop-init.c (rtl_loop_init): Ditto.
6561 (rtl_loop_done): Ditto.
6562 (rtl_move_loop_invariants): Ditto.
6563 (rtl_unswitch): Ditto.
6564 (rtl_unroll_and_peel_loops): Ditto.
6565 (rtl_doloop): Ditto.
6566 * gimple-low.c (lower_function_body): Ditto.
6567 (mark_used_blocks): Ditto.
6568 * tree-ssa-sink.c (execute_sink_code): Ditto.
6569 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6570 (cgraph_early_inlining): Ditto.
6571 * global.c (rest_of_handle_global_alloc): Ditto.
6572 * jump.c (cleanup_barriers): Ditto.
6573 (purge_line_number_notes): Ditto.
6574 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6575 (rest_of_handle_if_after_reload): Ditto.
6576 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6577 (tree_ssa_loop_im): Ditto.
6578 (tree_ssa_loop_unswitch): Ditto.
6579 (tree_vectorize): Ditto.
6580 (tree_linear_transform): Ditto.
6581 (tree_ssa_loop_ivcanon): Ditto.
6582 (tree_ssa_empty_loop): Ditto.
6583 (tree_ssa_loop_bounds): Ditto.
6584 (tree_complete_unroll): Ditto.
6585 (tree_ssa_loop_prefetch): Ditto.
6586 (tree_ssa_loop_ivopts): Ditto.
6587 (tree_ssa_loop_done): Ditto.
6588 * predict.c (tree_estimate_probability): Ditto.
6589 * recog.c (split_all_insns_noflow): Ditto.
6590 (rest_of_handle_peephole2): Ditto.
6591 (rest_of_handle_split_all_insns): Ditto.
6592 * tree-eh.c (lower_eh_constructs): Ditto.
6593 * regmove.c (rest_of_handle_regmove): Ditto.
6594 (rest_of_handle_stack_adjustments): Ditto.
6595 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6596 * function.c (instantiate_virtual_regs): Ditto.
6597 (init_function_for_compilation): Ditto.
6598 (rest_of_handle_check_leaf_regs): Ditto.
6599 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6600 (rest_of_handle_gcse): Ditto.
6601 * ipa-type-escape.c (type_escape_execute): Ditto.
6602 * alias.c (rest_of_handle_cfg): Ditto.
6603 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6604 * profile.c (rest_of_handle_branch_prob): Ditto.
6605 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6606 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6607 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6608 * tree-dfa.c (find_referenced_vars): Ditto.
6609 * except.c (set_nothrow_function_flags): Ditto.
6610 (convert_to_eh_region_ranges): Ditto.
6611 (rest_of_handle_eh): Ditto.
6612 * emit-rtl.c (unshare_all_rtl): Ditto.
6613 (remove_unnecessary_notes): Ditto.
6614 * except.h (set_nothrow_function_flags): Ditto.
6615 (convert_to_eh_region_ranges): Ditto.
6616 * cfgexpand.c (tree_expand_cfg): Ditto.
6617 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6618 * tree-ssa-pre.c (do_pre): Ditto.
6619 (execute_fre): Ditto.
6620 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6621 (rest_of_handle_jump2): Ditto.
6622 * tree-sra.c (tree_sra): Ditto.
6623 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6624 (execute_mudflap_function_decls): Ditto.
6625 * tree-ssa-copy.c (do_copy_prop): Ditto.
6626 (do_store_copy_prop): Ditto.
6627 * ipa-prop.h (ipcp_driver): Ditto.
6628 * cfglayout.c (insn_locators_initialize): Ditto.
6629 * tree-ssa-forwprop.c
6630 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6631 * cfglayout.h (insn_locators_initialize): Ditto.
6632 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6633 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6634 (execute_late_warn_uninitialized): Ditto.
6635 * rtl.h (cleanup_barriers): Ditto.
6636 (split_all_insns_noflow): Ditto.
6637 (purge_line_number_notes): Ditto.
6638 (unshare_all_rtl): Ditto.
6639 (remove_unnecessary_notes): Ditto.
6640 (recompute_reg_usage): Ditto.
6641 (variable_tracking_main): Ditto.
6642 * integrate.c (emit_initial_value_sets): Ditto.
6643 * integrate.h (emit_initial_value_sets): Ditto.
6644 * tree-optimize.c (execute_free_datastructures): Ditto
6645 (execute_free_cfg_annotations): Ditto.
6646 (execute_fixup_cfg): Ditto.
6647 (execute_cleanup_cfg_pre_ipa): Ditto.
6648 (execute_cleanup_cfg_post_optimizing): Ditto.
6649 (execute_init_datastructures): Ditto.
6650 * tree-object-size.c (compute_object_sizes): Ditto.
6651 * combine.c (rest_of_handle_combine): Ditto.
6652 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6653 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6654 (rest_of_handle_reorder_blocks): Ditto.
6655 (rest_of_handle_partition_blocks): Ditto.
6656 * var-tracking.c (variable_tracking_main): Ditto.
6657 * tree-profile.c (tree_profiling): Ditto.
6658 * tree-vect-generic.c (expand_vector_operations): Ditto.
6659 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6660 * sched-rgn.c (rest_of_handle_sched): Ditto.
6661 (rest_of_handle_sched2): Ditto.
6662 * basic-block.h (free_bb_insn): Ditto.
6663 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6664 * tree-cfg.c (execute_build_cfg): Ditto.
6665 (remove_useless_stmts): Ditto.
6666 (split_critical_edges): Ditto.
6667 (execute_warn_function_return): Ditto.
6668 (execute_warn_function_noreturn): Ditto.
6669 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6670 * cfgrtl.c (free_bb_for_insn): Ditto.
6671 * passes.c (execute_one_pass): Run additional
6672 todos returned by execute function.
6673 * tree-pass.h (struct tree_opt_pass): Make execute
6676 2006-03-02 Richard Guenther <rguenther@suse.de>
6678 * tree-ssa-alias.c (find_used_portions): Consider taking
6679 the address as making the variable not write-only.
6681 2006-03-02 Nick Clifton <nickc@redhat.com>
6683 * config.gcc (default_use_cxa_atexit): Extend the description of
6684 this configure variable. Set its default value to "yes" for
6685 Linux, NetBSD and ELF targets on the assumption that they will
6686 use C libraries with the __cxa_atexit function.
6688 2006-03-02 Ben Elliston <bje@au.ibm.com>
6690 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6691 parameter as unused to suppress a build warning.
6693 2006-03-02 Ben Elliston <bje@au.ibm.com>
6695 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6698 2006-03-01 Roger Sayle <roger@eyesopen.com>
6701 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6702 declared name, the weak reference name, and the typeof name.
6703 (__gthrw): Avoid expanding the declared name suffix.
6704 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6706 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6708 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6710 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6711 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6712 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6713 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6714 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6715 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6716 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6717 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6718 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6719 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6720 (DW_END_default, DW_END_big, DW_END_little): New.
6721 (DW_END_lo_user, DW_END_hi_user): Define.
6722 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6723 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6724 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6727 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6729 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6731 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6733 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6735 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6737 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6738 to 'symbol_mem_tag'.
6740 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6743 2006-03-01 Roger Sayle <roger@eyesopen.com>
6745 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6747 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6750 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6751 MACHO_DYNAMIC_NO_PIC_P.
6752 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6754 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6757 * config/darwin-protos.h (darwin_asm_output_anchor):
6759 * config/darwin-sections.def (cstring_section):
6760 Add SECTION_MERGE to the flags.
6761 (literal4_section): Likewise.
6762 (literal8_section): Likewise.
6763 (objc_selector_refs_section): Likewise.
6764 (objc_cls_refs_section): Likewise.
6765 * config/darwin.c (darwin_asm_output_anchor): New
6767 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6769 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6771 Fix PR tree-optimization/26443
6772 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6773 to todo and PROP_tmt_usage to properties_destroyed.
6774 * tree-ssa-ccp.c (pass_ccp): Ditto.
6775 (pass_store_ccp): Ditto.
6776 * tree-ssa-dom.c (pass_dominator): Ditto.
6778 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6780 * tree-ssa-operands.c: Cleanup whitespace.
6781 (get_asm_expr_operands): Move before first invocation.
6782 (get_indirect_ref_operands): Likewise.
6783 (get_tmr_operands): Likewise.
6784 (get_call_expr_operands): Likewise.
6785 (append_def): Likewise.
6786 (append_use): Likewise.
6787 (append_v_may_def): Likewise.
6788 (append_v_must_def): Likewise.
6789 (add_call_clobber_ops): Likewise.
6790 (add_call_read_ops): Likewise.
6791 (add_stmt_operand): Likewise.
6792 (add_virtual_operand): Likewise.
6793 (build_ssa_operands): Likewise.
6795 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6800 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6801 with a call expr to ...
6802 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6804 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6806 * tree-vrp.c (extract_range_from_assert): Remove special
6807 handling for types with super-types.
6809 2006-03-01 Ben Elliston <bje@au.ibm.com>
6811 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6812 and powerpc64-*-linux* configurations.
6813 * config/t-dfprules: New file.
6815 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6816 Compile dfp-bit.c from the source directory using -DWIDTH and
6817 $DFP_CFLAGS to control the compilation of that file, rather than
6818 generating width-specific versions in the build directory.
6819 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6820 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6822 2006-02-28 Zack Weinberg <zackw@panix.com>
6824 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6827 2006-02-28 Eric Christopher <echristo@apple.com>
6829 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6830 Set up IN_LIBGCC definition of TARGET_64BIT.
6831 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6833 2006-02-28 Roger Sayle <roger@eyesopen.com>
6836 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6837 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6838 cases via the construction of "expr != 0".
6840 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6842 * alias.c (alias_invariant, alias_invariant_size): Remove.
6843 (record_base_value): Remove.
6844 (memrefs_conflict_p): Don't look at alias_invariant.
6845 (end_alias_analysis): Don't free it.
6846 * alias.h (record_base_value): Remove prototype.
6848 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6849 Adam Nemet <anemet@caviumnetworks.com>
6851 * rtl.h (truncated_to_mode): Declare it.
6852 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6853 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6854 (RTL_HOOKS_INITIALIZER): Include it.
6855 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6856 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6857 reg_truncated_to_mode.
6858 * rtlanal.c (truncated_to_mode): Define it.
6859 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6861 2006-02-28 Jeff Law <law@redhat.com>
6863 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6864 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6865 the range allowed by TYPE_PRECISION.
6867 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6869 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6871 PR tree-optimization/26419
6872 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6875 2006-02-27 Zack Weinberg <zackw@panix.com>
6877 * doc/md.texi: Fix typo in previous change.
6879 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6883 2006-02-27 Zack Weinberg <zackw@panix.com>
6885 * rtl.def (define_constraint, define_register_constraint)
6886 (define_memory_constraint, define_address_constraint): New MD forms.
6887 * gensupport.c (process_rtx): Put define_constraint etc on the
6889 * genpreds.c (process_define_predicate): Adjust comment. Validate
6890 the name, and call validate_exp to validate the expression.
6891 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6892 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6893 all callers changed.
6894 (validate_exp, needs_variable, struct constraint_data)
6895 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6896 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6897 (const_dbl_constraints, constraint_max_namelen)
6898 (have_register_constraints, have_memory_constraints)
6899 (have_address_constraints, have_address_constraints)
6900 (have_extra_constraints, have_const_int_constraints)
6901 (have_const_dbl_constraints, mangle, add_constraint)
6902 (process_define_constraint, process_define_register_constraint)
6903 (write_enum_constraint_num, write_lookup_constraint)
6904 (write_insn_constraint_len, write_regclass_for_constraint)
6905 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6906 (write_insn_extra_memory_constraint)
6907 (write_insn_extra_address_constraint)
6908 (write_satisfies_constraint_fns): New.
6909 (write_tm_preds_h): If we have new-style constraint definitions,
6910 prototype the functions generated from them, and define the
6911 old constraint interface (still used by generic code) in terms of
6913 (write_insn_preds_c): If we have new-style constraint definitions,
6914 generate all relevant functions from those definitions.
6915 (main): Handle define_constraint etc.
6916 * genoutput.c (struct constraint_data, indep_constraints)
6917 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6918 (mdep_constraint_len): New data structures and functions, defined
6919 #ifdef USE_MD_CONSTRAINTS.
6920 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6921 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6922 use new logic to validate operand constraints against constraint
6924 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6926 * defaults.h: If none of the old-style constraint macros are
6927 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6928 old-style macros; and poison REG_CLASS_FROM_LETTER,
6929 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6931 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6932 * doc/md.texi: Document new constraint-definition mechanism and the
6933 C interface it provides. Remove references to old mechanism
6934 elsewhere in the document.
6935 (Machine Constraints): Use pathnames relative to gcc directory,
6936 i.e. config/ARCH/FILE. Change i386 section to refer to
6937 config/i386/predicates.md; update that section to match docstrings.
6938 * doc/tm.texi: Move all documentation of the old constraint-
6939 definition macros to their own section, clearly mark as obsolete.
6941 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6942 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6944 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6945 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6946 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6948 (splits and peepholes): Use satisfies_constraint_*.
6949 * config/i386/i386.c (memory_address_length)
6950 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6952 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6954 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6955 scalar operation to be put back into the loop.
6957 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6960 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6961 (extract_cie_info): Handle S flag in augmentation string.
6962 (execute_cfa_program): If context->signal_frame, execute also
6963 fs->pc == context->ra instructions.
6964 (uw_frame_state_for): If context->signal_frame, don't subtract one
6965 from context->ra to find FDE.
6966 (uw_update_context_1): Set context->signal_frame to
6968 (_Unwind_GetIPInfo): New function.
6969 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6970 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6972 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6973 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6974 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6975 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6976 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6977 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6978 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6979 x86_64_fallback_frame_state): Set fs->signal_frame.
6980 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6981 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6982 (frob_update_context): Likewise. Workaround missing S flag in
6983 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6984 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6985 Remove the psw_addr + 1 hack.
6987 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6989 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6990 with aggregates here.
6991 (find_func_aliases): Remove code for &<aggregate> from here.
6993 2006-02-26 Roger Sayle <roger@eyesopen.com>
6995 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6996 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6997 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7000 2006-02-26 Roger Sayle <roger@eyesopen.com>
7003 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7005 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7007 * opts.c (decode_options): Do not handle flag_strength_reduce.
7008 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7009 and OPT_fstrength_reduce.
7010 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7011 flag_prefetch_loop_arrays for being nonzero.
7012 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7014 (fprefetch-loop-arrays-rtl): Removed.
7015 (flag_prefetch_loop_arrays): Do not specify the value.
7017 * doc/passes.texi: Update documentation of loop optimizer
7019 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7020 -frerun-loop-opt): Remove.
7022 2006-02-26 Richard Guenther <rguenther@suse.de>
7024 PR tree-optimization/26421
7025 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7026 in function calls that are ADDR_EXPRs as using the whole structure.
7028 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7030 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7031 * tree-pass.h (pass_loop_optimize): Remove.
7032 * passes.c (pass_loop_optimize): Never run it.
7033 * toplev.c (backend_init): Don't call init_loop.
7034 * opts.c (flag_loop_optimize_set): Remove.
7035 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7036 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7037 the old RTL loop optimizer when profiling enabled.
7038 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7039 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7040 pre-headers for the sake of the old RTL loop optimizer.
7041 * Makefile.in: Remove all references to loop.o.
7043 * doc/invoke.texi: Remove all references to -floop-optimize
7044 and -frerun-loop-opt.
7046 2006-02-26 Zack Weinberg <zackw@panix.com>
7048 * doc/md.texi (Machine Constraints): Refer to all files with paths
7049 relative to gcc directory (i.e. config/CPU/file). Add missing
7050 @table @code ... @end table to M32C subsection.
7052 2006-02-26 Roger Sayle <roger@eyesopen.com>
7054 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7056 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7058 2006-02-26 Roger Sayle <roger@eyesopen.com>
7059 James A. Morrison <phython@gcc.gnu.org>
7062 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7063 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7064 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7065 signedness of the shift operation.
7067 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7069 PR tree-optimization/26359
7070 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7072 2006-02-25 Roger Sayle <roger@eyesopen.com>
7074 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7075 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7076 as X == 0, and some symmetry related transformations.
7077 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7079 2006-02-25 Roger Sayle <roger@eyesopen.com>
7082 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7083 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7084 symmetry related transformations. Fold (X^C1) == C2 as
7087 2006-02-25 Juergen Weigert <jw@suse.de>
7088 Richard Guenther <rguenther@suse.de>
7090 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7092 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7094 * combine.c (gen_lowpart_or_truncate): Call
7095 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7097 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7099 * doc/invoke.texi: Move -fopenmp description to "Options for
7101 Remove reference to -lgomp.
7103 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7105 * doc/install.texi: Require GNU tar version 1.14.
7107 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7109 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7110 * doc/invoke.texi (C++ Dialect Options): Document
7111 -fno-use-cxa-get-exception-ptr.
7112 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7113 * configure: Regenerate.
7114 * c.opt (fuse-cxa-get-exception-ptr): New.
7115 * c-opts.c (c_common_handle_option): Handle
7116 OPT_fuse_cxa_get_exception_ptr.
7117 * c-common.c (flag_use_cxa_atexit): Update documentation.
7118 (flag_use_cxa_get_exception_ptr): New.
7119 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7120 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7122 (C_COMMON_OVERRIDE_OPTIONS): New.
7124 2006-02-24 Roger Sayle <roger@eyesopen.com>
7127 * combine.c (try_combine): Explicitly check whether GET_CODE is
7128 a SET or a CLOBBER, instead on checking that it isn't a USE.
7130 2006-02-24 Roger Sayle <roger@eyesopen.com>
7132 * fold-const.c (fold_comparison): New subroutine of fold_binary
7133 containing transformations common to both the equality and
7134 ordering relational operators, factored out of fold_binary.
7135 (fold_binary): Separate out the equality operators (EQ_EXPR
7136 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7137 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7138 transformations common to both.
7139 (fold_div_compare): Fix latent bugs in the previously unreachable
7140 LT_EXPR and GE_EXPR cases.
7142 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7144 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7145 decl libname for clog to __clog on AIX.
7147 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7149 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7152 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7153 output traceback table for thunks. Localise rs6000_stack_info call.
7155 2006-02-23 Roger Sayle <roger@eyesopen.com>
7156 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7158 * gthr-posix.h (__gthrw): Fix typo in comment.
7160 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7162 * doc/cpp.texi (Character sets): Document that we do support
7163 input files to be in any character set.
7165 2006-02-23 Jeff Law <law@redhat.com>
7167 * tree.h (PHI_ARG_NONZERO): Remove.
7168 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7169 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7170 node to the new node.
7172 PR tree-optimization/26425
7173 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7174 min/max, then assume its varying.
7176 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7178 PR rtl-optimization/26316
7179 * rtlanal.c (enum may_trap_p_flags): New.
7180 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7181 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7182 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7183 (may_trap_after_code_motion_p): New function.
7184 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7185 (find_invariant_insn): Use may_trap_after_code_motion_p.
7186 * rtl.h (may_trap_after_code_motion_p): Declare.
7188 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7190 * emit-rtl.c (immed_double_const): Cleanup.
7192 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7194 Fix PR tree-optimization/26376
7195 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7198 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7201 * gimplify.c (omp_add_variable): Guard variable size decl test with
7202 DECL_SIZE (decl) check.
7204 2006-02-23 Richard Guenther <rguenther@suse.de>
7207 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7208 like aggregate types.
7210 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7212 * configure.ac: Add --with{,out}-long-double-128 configure option.
7213 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7214 * configure: Rebuilt.
7215 * config.in: Rebuilt.
7216 * doc/install.texi (Options specification): Document
7217 --with-long-double-128.
7219 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7220 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7221 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7222 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7224 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7226 * config/s390/s390.c (override_options): Handle
7227 TARGET_DEFAULT_LONG_DOUBLE_128.
7229 * config/alpha/alpha.c (override_options): Handle
7230 TARGET_DEFAULT_LONG_DOUBLE_128.
7232 * config/sparc/sparc.c (sparc_override_options): Handle
7233 TARGET_DEFAULT_LONG_DOUBLE_128.
7235 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7237 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7238 (real-install-headers-tar, real-install-headers-cpio)
7239 (real-install-headers-cp): New targets.
7241 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7243 * tree.h (variable_section): Delete.
7244 * varasm.c (variable_section): Delete.
7246 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7248 * install.texi: Add notes on install.texi2html.
7249 (Building in parallel): Do not use footnotes.
7251 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7254 * doc/install.texi (Configuration): Document --disable-libgomp.
7256 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7258 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7260 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7262 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7263 (vec_extractv2df_0_sse): New.
7265 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7267 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7268 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7269 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7270 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7271 to the result of the expression.
7272 (def_cfa_1): Adjust.
7273 (frame_pointer_cfa_offset): Rename to...
7274 (frame_pointer_fb_offset): ... this. Adjust all uses.
7275 (convert_cfa_to_loc_list): Rename to...
7276 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7277 Pass it on to build_cfa_loc.
7278 (compute_frame_pointer_to_cfa_displacement): Rename to...
7279 (compute_frame_pointer_to_fb_displacement): ... this. New
7280 offset parameter. Use it in computation.
7281 (gen_subprogram_die): Compute cfa_fb_offset with the new
7282 macro, and use it to compute the fb loc list and the
7285 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7287 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7288 replaced with register_operand.
7289 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7290 non-DREG is expensive.
7291 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7292 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7295 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7297 * doc/install.texi2html: Use set -e.
7299 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7301 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7302 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7303 * doc/invoke.texi (-fshared-data): Delete.
7304 * common.opt (fshared-data): Delete.
7305 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7306 (assemble_static_space): Remove #if 0 code.
7307 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7308 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7309 * config/cris/cris.h: Remove FIXME.
7311 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7313 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7316 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7319 * combine.c (simplify_shift_const_1): Disable nested shifts
7320 optimization for vector shifts.
7322 2006-02-20 Roger Sayle <roger@eyesopen.com>
7324 PR tree-optimization/26361
7325 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7326 of unsigned integer types.
7328 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7330 * tree-chrec.c (eq_evolutions_p): New.
7331 * tree-chrec.h (eq_evolutions_p): Declared.
7332 * tree-data-ref.c: Fix formatting.
7333 (datadep_stats, dependence_stats): New.
7335 (print_direction_vector): New.
7336 (dump_data_dependence_relation): Use print_direction_vector.
7337 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7338 (compute_subscript_distance): Static.
7339 (initialize_data_dependence_relation): Static. Get the number
7340 of loops surrounding the references from the callers, and initialize
7341 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7342 base_object_differ_p analyzers.
7343 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7344 compute_overlap_steps_for_affine_1_2,
7345 analyze_subscript_affine_affine): Count the classified dependences.
7346 Print a message when a test failed.
7347 (can_use_analyze_subscript_affine_affine): New.
7348 (analyze_siv_subscript): Compute the data dependences on symbolic
7349 scevs that verify can_use_analyze_subscript_affine_affine.
7350 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7351 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7352 Handle symbolic scevs.
7353 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7355 (subscript_dependence_tester): Moved...
7356 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7357 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7358 DDR_SIZE_VECT instead of getting it in parameter.
7359 (subscript_dependence_tester): ... here. Take as a parameter
7360 loop_nest_depth. Call build_classic_dist_vector and
7361 build_classic_dir_vector.
7362 (compute_affine_dependence): Update subscript_dependence_tester
7363 parameters. Update datadep_stats counters. Call
7364 compute_subscript_distance.
7365 (compute_self_dependence): Save the dist and dir vectors. Call
7366 compute_subscript_distance.
7367 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7368 (compute_all_dependences): Reorder parameters as they were before
7369 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7370 compute_subscript_distance. Update the use of
7371 compute_affine_dependence and initialize_data_dependence_relation.
7372 (find_data_references_in_loop): Handle COMPONENT_REF.
7373 (compute_data_dependences_for_loop): Initialize dependence_stats.
7374 Don't call build_classic_dist_vector and build_classic_dir_vector.
7375 Update the parameters of initialize_data_dependence_relation and
7376 compute_all_dependences. Print the statistics from datadep_stats.
7377 (analyze_all_data_dependences): Static. Not used until the pass for
7378 checking the data dependences is contributed.
7379 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7380 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7381 (initialize_data_dependence_relation, compute_affine_dependence,
7382 analyze_all_data_dependences, compute_subscript_distance): Removed.
7383 (print_direction_vector): New.
7384 * lambda.h (gcd): ... here.
7385 (lambda_vector_gcd): Moved here from gcd_vector.
7386 * lambda-code.c (gcd, gcd_vector): Removed.
7387 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7388 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7390 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7392 * ipa-type-escape.c: Tidy some comments and white space.
7393 * tree-ssa-operands.c: Likewise.
7395 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7398 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7399 (dump_decl_name): Do not walk the decl tree chains.
7400 * tree-pass.h (TDF_CHAIN): Remove.
7402 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7404 * Makefile.in (C): Remove
7406 (.PHONY): Remove C and PROTO
7408 2006-02-20 Roger Sayle <roger@eyesopen.com>
7411 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7412 deprecated CHAR_TYPE tree code.
7414 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7416 * configure.ac (target_list): Add install-info, dvi, html.
7417 * configure: Regenerate.
7419 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7420 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7421 treelang/Make-lang.in: Do not use double-colon rules.
7423 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7425 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7426 (TMT_USED_ALONE): New macro.
7427 * tree-pass.h (PROP_tmt_usage): New property.
7428 (TODO_update_tmt_usage): New todo.
7429 * tree-ssa-alias.c (updating_used_alone): New variable.
7430 (recalculate_used_alone): New function.
7431 (compute_may_aliases): Set updating_used_alone, call
7432 recalculate_used_alone.
7433 * tree-sra.c (pass_sra): Note that this pass destroys
7434 PROP_tmt_usage, and add TODO_update_tmt_usage.
7435 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7436 * tree-flow.h (updating_used_alone): Prototype.
7437 (recalculate_used_alone): Ditto.
7438 * passes.c (execute_todo): Add code to set updating_used_alone,
7439 and call recalculate.
7440 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7441 for clobber if used alone, and add assert to verify used_alone
7444 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7446 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7447 for non tls symbols added.
7448 (legitimize_address): Do nothing for PLUS expressions if one of the
7449 addends is a tls symbol reference.
7451 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7455 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7457 * Makefile.in (BOOTSTRAPPING): New.
7458 (quickstrap): New definition if BOOTSTRAPPING=yes.
7460 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7461 * configure.ac: Substitute all_selected_languages with the languages
7462 that were configured. For all the other variables except
7463 lang_specs_files, include all the languages in the tree.
7464 * configure: Regenerate.
7466 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7467 if there is one. Run the commands to run fixincludes in the same
7470 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7471 * doc/install.texi: Document exact conventions for searching target tools.
7472 Document --with-build-time-tools. Document toplevel bootstrap. Document
7473 something more about building an Ada cross-compiler. Don't list GNU Make
7474 requirements which affect all platforms.
7476 2006-02-19 Roger Sayle <roger@eyesopen.com>
7479 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7480 only equivalent if the have both the same mode and precision.
7482 2006-02-20 Ben Elliston <bje@au.ibm.com>
7484 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7486 2006-02-19 Roger Sayle <roger@eyesopen.com>
7487 Steven Bosscher <stevenb.gcc@gmail.com>
7489 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7490 constant pool references to identify stack mode constants.
7491 * rtlanal.c (constant_pool_constant_p): New predicate to check
7492 whether operand is a floating point constant in the pool.
7493 * rtl.h (constant_pool_constant_p): Prototype here.
7494 * loop.c (scan_loop): Avoid hoisting constants from the constant
7495 pool on STACK_REGS targets.
7496 (load_mems): Likewise.
7497 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7498 loads into x87 registers expensive in terms of register pressure.
7500 2006-02-19 Roger Sayle <roger@eyesopen.com>
7502 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7503 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7505 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7507 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7508 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7510 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7512 * doc/invoke.texi: Document -fipa-pta.
7513 * common.opt: Add ipa-pta option.
7514 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7515 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7516 (do_ds_constraint): Ditto.
7517 (get_constraint_for): Only add to referenced_vars if
7518 referenced_vars exists.
7519 (insert_into_field_list): Rewrite to do this unsorted.
7520 (insert_into_field_list_sorted): Rename old insert_into_field_list
7522 (create_function_info_for): Use insert_into_field_list_sorted.
7523 (create_variable_info_for): Rewrite so it uses unsorted version,
7524 since the field list is sorted.
7525 (intra_create_variable_infos): Only add to referenced_vars if
7526 referenced_vars exists.
7527 (ipa_pta_execute): Init heapvars, and delete when done.
7528 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7530 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7532 * doc/install.texi: Add missing `@samp'.
7534 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7536 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7539 2006-02-18 Mark Wielaard <mark@klomp.org>
7541 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7542 who added new 4.1 features, bug fixes and integration support.
7544 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7547 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7550 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7552 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7553 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7554 (copy_insn_1): Likewise. Don't copy each field individually.
7556 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7558 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7559 * rtl.c (rtx_size): Rename variable to...
7560 (rtx_code_size): ...this.
7561 (rtx_size): New function.
7562 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7563 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7565 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7566 * rtl.h (rtx_code_size): New variable.
7567 (rtx_size): Change from a variable to a function.
7568 (RTX_SIZE): Rename to...
7569 (RTX_CODE_SIZE): ...this.
7572 PR tree-optimization/17106
7573 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7574 (Anchored Addresses): New section.
7575 * doc/invoke.texi (-fsection-anchors): Document.
7576 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7577 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7578 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7579 * hooks.c (hook_bool_mode_rtx_false): New function.
7580 * hooks.h (hook_bool_mode_rtx_false): Declare.
7581 * gengtype.c (create_optional_field): New function.
7582 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7583 SYMBOL_REF_IN_BLOCK_P is true.
7584 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7585 (min_anchor_offset, max_anchor_offset): Likewise.
7586 (use_anchors_for_symbol_p): New hook.
7587 * toplev.c (compile_file): Call output_object_blocks.
7588 (target_supports_section_anchors_p): New function.
7589 (process_options): Check that -fsection-anchors is only used on
7590 targets that support it and when -funit-at-a-time is in effect.
7591 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7592 if the decl doesn't have one.
7593 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7594 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7595 of force_const_mem through use_anchored_address.
7596 (expand_expr_constant): New function.
7597 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7598 calling expand_expr for INDIRECT_REF.
7599 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7600 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7601 * expr.h (use_anchored_address): Declare.
7602 * loop-unroll.c: Don't declare rtx vectors here.
7603 * explow.c: Include output.h.
7604 (validize_mem): Call use_anchored_address.
7605 (use_anchored_address): New function.
7606 * common.opt (-fsection-anchors): New switch.
7607 * varasm.c (object_block_htab, anchor_labelno): New variables.
7608 (hash_section, object_block_entry_eq, object_block_entry_hash)
7609 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7610 (use_blocks_for_decl_p, change_symbol_section): New functions.
7611 (get_variable_section): New function, split out from assemble_variable.
7612 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7613 use_blocks_for_decl_p say so. Use change_symbol_section if the
7614 symbol has already been created.
7615 (assemble_variable_contents): New function, split out from...
7616 (assemble_variable): ...here. Don't output any code for
7617 block symbols; just pass them to place_block_symbol.
7618 Use get_variable_section and assemble_variable_contents.
7619 (get_constant_alignment, get_constant_section, get_constant_size): New
7620 functions, split from output_constant_def_contents.
7621 (build_constant_desc): Create a block symbol if use_object_blocks_p
7622 says so. Or into SYMBOL_REF_FLAGS.
7623 (assemble_constant_contents): New function, split from...
7624 (output_constant_def_contents): ...here. Don't output any code
7625 for block symbols; just pass them to place_section_symbol.
7626 Use get_constant_section and get_constant_alignment.
7627 (force_const_mem): Create a block symbol if use_object_blocks_p and
7628 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7629 (output_constant_pool_1): Add an explicit alignment argument.
7630 Don't switch sections here.
7631 (output_constant_pool): Adjust call to output_constant_pool_1.
7632 Switch sections here instead. Don't output anything for block symbols;
7633 just pass them to place_block_symbol.
7634 (init_varasm_once): Initialize object_block_htab.
7635 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7636 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7637 (place_block_symbol, get_section_anchor, output_object_block)
7638 (output_object_block_htab, output_object_blocks): New functions.
7639 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7640 (TARGET_ASM_OUT): Include it.
7641 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7642 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7643 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7644 (TARGET_INITIALIZER): Include them.
7645 * rtl.c (rtl_check_failed_block_symbol): New function.
7646 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7647 (block_symbol, object_block): New structures.
7648 (rtx_def): Add a block_symbol field to the union.
7649 (BLOCK_SYMBOL_CHECK): New macro.
7650 (rtl_check_failed_block_symbol): Declare.
7651 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7652 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7653 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7654 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7655 * output.h (output_section_symbols): Declare.
7656 (object_block): Name structure.
7657 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7658 (default_use_anchors_for_symbol_p): Declare.
7659 * Makefile.in (RTL_BASE_H): Add vec.h.
7660 (explow.o): Depend on output.h.
7661 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7662 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7663 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7664 (rs6000_use_blocks_for_constant_p): New function.
7666 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7668 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7670 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7673 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7676 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7678 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7682 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7685 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7686 instead of DECL_REGISTER.
7688 2006-02-18 Olivier Hainque <hainque@adacore.com>
7691 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7693 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7696 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7697 * opth-gen.awk: Handle Var and InverseMask together.
7698 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7699 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7700 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7701 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7703 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7704 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7705 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7706 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7707 LINUX_DYNAMIC_LINKER): Define.
7708 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7709 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7711 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7712 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7713 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7715 (TARGET_C99_FUNCTIONS): Don't define.
7716 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7717 GLIBC_DYNAMIC_LINKER.
7718 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7719 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7720 GLIBC_DYNAMIC_LINKER64): Define.
7721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7722 LINUX_DYNAMIC_LINKER64.
7723 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7724 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7725 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7727 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7729 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7730 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7731 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7732 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7733 and LINUX_DYNAMIC_LINKER32.
7734 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7735 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7736 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7738 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7740 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7741 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7742 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7743 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7744 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7745 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7746 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7747 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7748 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7749 LINUX_DYNAMIC_LINKER): Define.
7750 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7751 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7752 GLIBC_DYNAMIC_LINKER64): Define.
7753 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7754 LINUX_DYNAMIC_LINKER64.
7755 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7756 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7757 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7758 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7759 LINUX_DYNAMIC_LINKER): Define.
7760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7761 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7762 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7763 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7764 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7765 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7766 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7767 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7768 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7769 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7771 * doc/invoke.texi (-muclibc): Remove caveat about supported
7774 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7776 * doc/cpp.texi (__TIMESTAMP__): Document.
7778 2006-02-17 Roger Sayle <roger@eyesopen.com>
7781 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7782 C is one less than the width of X (and related transformations).
7783 * simplify-rtx.c (simplify_unary_operation_1): Transform
7784 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7785 depending on STORE_FLAG_VALUE, were C is one less then the
7788 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7790 Fix PR tree-optimization/26341
7791 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7792 about NAME_MEMORY_TAG's.
7794 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7797 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7798 with hardware float support, and software float support. Add fcpy
7799 alternative to hardware patterns. Add alternatives to copy between
7800 general and floating-point registers to the 32-bit pattern.
7801 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7802 secondary reload to load a QI or HI mode constant into a floating
7804 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7805 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7807 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7810 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7812 (load_macho_picbase_di): Likewise.
7814 2006-02-16 Jeff Law <law@redhat.com>
7816 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7817 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7818 (ssa_name_nonzero_p): Likewise.
7819 (get_value_range): Return NULL if VRP is not running.
7820 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7821 VRP routines do not discover a range.
7822 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7823 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7824 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7825 (tree_expr_nonnegative_p): Similarly.
7826 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7827 (restore_nonzero_vars_to_original_value): Remove.
7828 (unsafe_associative_fp_binop): Remove.
7829 (tree_ssa_dominator_optimize): Remove initialization and
7830 finalization of nonzero_vars and nonzero_vars_stack.
7831 (dom_opt_initialize_block): No longer push marker on
7833 (dom_opt_finalize_block): No longer call
7834 restore_nonzero_vars_to_original_value.
7835 (record_equivalences_from_phis): No longer look for
7836 nonzero PHI arguments.
7837 (cprop_into_successor_phis): No longer propagate nonzero
7838 property into PHI arguments. Lose unused argument. Caller
7840 (record_equivalences_from_stmt): No longer record nonzero
7841 values for SSA_NAMEs.
7842 (lookup_avail_expr): No longer use nonzero_vars.
7844 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7845 for sizetype when sizetype is unsigned.
7847 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7849 PR rtl-optimization/25603
7850 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7851 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7852 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7853 with new meaning of SETS.
7855 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7860 * config/linux.opt: New file.
7861 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7862 LINUX_DYNAMIC_LINKER): Define.
7863 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7864 * config.gcc (*-*-linux*): Define extra_options.
7865 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7866 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7867 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7868 GLIBC_DYNAMIC_LINKER.
7869 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7870 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7871 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7873 * doc/invoke.texi (GNU/Linux Options): New section.
7875 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7877 * config/sparc/sparc.md (setjmp): Rewrite.
7878 (setjmp_32): Delete.
7879 (setjmp_64): Likewise.
7881 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7883 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7886 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7888 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7891 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7893 PR rtl-optimization/26296
7894 * Makefile.in (loop-invariant.c): Add except.h dependency.
7895 * loop-invariant.c: Include except.h.
7896 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7898 2005-02-16 Paul Brook <paul@codesourcery.com>
7900 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7903 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7905 PR rtl-optimization/25636
7906 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7907 when deciding whether an insn is an initializing insn.
7909 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7911 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7912 (tree_code_size): Ditto.
7913 * tree.h (struct tree_memory_tag): Remove parent_var.
7914 (struct tree_struct_field_tag): New.
7917 (union tree_node): Add sft member.
7918 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7920 (create_sft): Add size and offset argument, set SFT_OFFSET and
7922 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7923 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7924 * tree-flow-inline.h (get_subvar_at): Update for
7925 SFT_OFFSET/SFT_SIZE.
7926 (var_can_have_subvars): Ditto.
7927 (overlap_subvar): Ditto.
7928 * print-tree.c (print_node): Print out interesting things for
7930 * tree-flow.h (struct subvar): Remove offset and size members.
7931 * tree-ssa-operands.c (get_expr_operands): Update for
7932 get_indirect_ref_operands changes.
7933 (get_indirect_ref_operands): Call add_virtual_operand instead of
7934 add_stmt_operand. Only recurse on base var if requested.
7935 (access_can_touch_variable): New function.
7936 (add_stmt_operand): Split virtual operand handling into ...
7937 (add_virtual_operand): Here. Add offset, size, and for_clobber
7938 arguments. Prune alias sets.
7939 (add_call_clobber_ops): Call add_virtual_operand.
7941 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7944 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7946 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7947 than TREE_CODE as index into omp_clause_num_ops array.
7949 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7951 PR rtl-optimization/26184
7952 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7954 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7955 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7956 must_precede, must_follow and tobe_scheduled.
7959 * opts.c (common_handle_option): Free new_option pointer.
7960 * df-core.c (df_analyze): Free postorder pointer.
7962 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7964 * Makefile.in: Fix the examples about the use of stamps
7966 2006-02-15 Michael Matz <matz@suse.de>
7970 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7971 influenced by maximum_field_alignment or DECL_PACKED.
7972 (update_alignment_for_field): Ditto.
7973 (place_field): Ditto.
7974 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7977 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7979 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7980 (debug_flow_info): Pass it.
7981 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7982 * bb-reorder.c (reorder_basic_blocks): Likewise.
7983 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7984 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7985 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7986 * gcse.c (gcse_main, bypass_jumps): Likewise.
7987 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7988 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7989 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7990 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7991 * rtl.h (dump_flow_info): Adjust prototype.
7992 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7993 * var-tracking.c (variable_tracking_main): Likewise.
7994 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7995 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7998 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8000 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8003 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8005 PR tree-optimization/26209
8006 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8007 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8009 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8011 2006-02-14 Roger Sayle <roger@eyesopen.com>
8014 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8015 (X,Y) and the corresponding symmetry related transformations.
8016 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8017 (X,Y) and its symmetry related transformations.
8019 2006-02-14 Roger Sayle <roger@eyesopen.com>
8021 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8024 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8026 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8028 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8031 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8032 support COMDAT group.
8033 * configure: Regenerate.
8035 2006-02-14 Roger Sayle <roger@eyesopen.com>
8040 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8042 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8044 Fix PR tree-optimization/26260
8046 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8048 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8049 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8050 * tree-ssa-structalias.c (create_variable_info_for): Use
8051 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8053 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8055 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8057 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8058 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8059 of the ending condition.
8060 * tree-ssa-loop-manip.c: Include params.h.
8061 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8062 tree_unroll_loop): New functions.
8063 * tree-pass.h (pass_loop_prefetch): Declare.
8064 * loop.c (rest_of_handle_loop_optimize): Test for
8065 -fprefetch-loop-arrays-rtl.
8066 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8067 * timevar.def (TV_TREE_PREFETCH): New timevar.
8068 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8069 pass_loop_prefetch): New.
8070 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8071 (cleanup_tree_cfg_loop): Call scev_reset.
8072 * common.opt (fprefetch-loop-arrays-rtl): Add.
8073 * tree-ssa-loop-prefetch.c: New file.
8074 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8075 (new_temp_expr_table): Initialize expr_vars.
8076 (free_temp_expr_table): Cleanup expr_vars.
8077 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8078 expressions from being merged into one.
8079 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8080 (struct tree_niter_desc): Add control, bound and cmp fields.
8081 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8083 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8084 (tree-cfgcleanup.o): Add SCEV_H dependency.
8085 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8086 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8088 2006-02-14 Richard Guenther <rguenther@suse.de>
8090 PR tree-optimization/26258
8091 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8092 in PHI argument processing.
8094 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8096 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8097 new expression in the requested machine mode.
8099 2006-02-13 Roger Sayle <roger@eyesopen.com>
8101 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8102 directly, instead let do_compare_rtx_and_jump handle this for us.
8103 * expr.c (expand_expr_real_1): Likewise.
8104 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8105 before do_jump_by_parts_greater.
8106 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8107 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8109 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8111 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8113 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8115 PR rtl-optimization/26235
8116 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8117 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8120 2006-02-13 Jeff Law <law@redhat.com>
8122 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8125 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8128 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8129 twice if decl is a builtin. When trying again, call get_callee_fndecl
8130 first to verify it is still a builtin.
8132 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8134 * dwarf2out.c (base_type_die): Don't add AT_name here.
8135 (subrange_type_die): Don't add AT_name here.
8136 (modified_type_die): Rearrange code flow. Do add AT_name here.
8138 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8140 PR rtl-optimization/26247
8141 PR rtl-optimization/26248
8142 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8144 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8146 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8147 * config/fixtfdi.c: Likewise.
8148 * config/fixunstfdi.c: Likewise.
8149 * config/floatditf.c: Likewise.
8151 2006-02-13 Roger Sayle <roger@eyesopen.com>
8154 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8155 into (X,C2) if C1 is a subset of the bits of C2. Transform
8156 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8158 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8160 2006-02-13 Josh Conner <jconner@apple.com>
8163 * varasm.c (function_section): Check for section name before
8164 calling select_section on targets that define
8165 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8166 unlikely_text_section instead of hot_function_section if
8167 first_function_block_is_cold.
8169 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8172 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8174 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8176 PR rtl-optimization/26222
8177 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8178 after tree->rtl expansion.
8179 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8180 before passing it to emit_move_insn.
8182 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8184 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8186 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8187 Clarify documentation.
8188 * c-common.h (warn_write_strings): Remove.
8189 * c-common.c (warn_write_strings): Likewise.
8190 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8193 2006-02-12 Roger Sayle <roger@eyesopen.com>
8196 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8197 (do_jump_parts_zero_rtx): New function renamed from
8198 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8199 (do_jump_parts_equality_rtx): New function split out from
8200 do_jump_parts_equality. Old implementation renamed as above.
8201 Call do_jump_parts_zero_rtx if either operand is zero.
8202 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8203 do all of the heavy lifting.
8204 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8205 calling either do_jump_by_parts_greater_rtx or
8206 do_jump_by_parts_equality_rtx.
8207 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8208 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8209 moved to do_compare_rtx_and_jump, call it directly.
8210 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8211 mode argument. Call do_compare_rtx_and_jump.
8212 (emit_case_nodes): Update calls to do_jump_if_equal.
8214 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8216 PR rtl-optimization/26225
8217 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8219 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8221 PR rtl-optimization/26232
8222 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8224 2006-02-11 Jason Merrill <jason@redhat.com>
8227 * tree-inline.c (declare_return_variable): Just don't use the
8228 modify target if it's a gimple complex reg and the return slot
8231 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8233 * doc/contrib.texi: Update my entry.
8235 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8237 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8239 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8241 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8244 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8246 * doc/invoke.texi (-floop-optimize2): Removed.
8247 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8248 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8249 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8250 * common.opt (floop-optimize2): Removed.
8251 (fmove-loop-invariants): Enabled by default.
8253 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8255 * tree-if-conv.c (combine_blocks): Free the result of
8256 get_loop_exit_edges.
8258 2006-02-10 Jeff Law <law@redhat.com>
8260 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8262 PR tree-optimization/26213
8263 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8264 loop trying to follow SSA_NAME_VALUE chains.
8266 2006-02-10 Richard Guenther <rguenther@suse.de>
8268 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8269 deal with structures that end in implicitly variable sized arrays.
8271 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8273 PR rtl-optimization/24762
8274 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8277 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8279 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8280 (struct ivopts_data): Add regs_used field.
8281 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8282 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8283 instead of loop_data->regs_used;
8284 (free_loop_data): Do not free aux fields for loops.
8285 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8286 and tree_ssa_iv_optimize_finalize.
8288 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8290 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8292 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8295 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8296 computing the effective result type.
8298 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8301 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8302 (tree_overlaps_hard_reg_set): Declare.
8303 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8304 type and signature to match function type expected by walk_tree.
8305 (tree_overlaps_hard_reg_set): New function.
8306 (decl_conflicts_with_clobbers_p): Rename to:
8307 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8308 Use tree_overlaps_hard_reg_set. Changed caller.
8309 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8310 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8311 * cris.c (cris_md_asm_clobbers): Likewise.
8313 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8315 * reload1.c (emit_input_reload_insns): Delete code that tries to
8316 inherit using find_equiv_reg.
8318 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8320 * c-common.h (flag_const_strings): Don't declare.
8321 * c-common.c (flag_const_strings): Remove.
8322 * c.opt (fconst_strings): Remove.
8323 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8324 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8325 (c_common_init_options): Don't set flag_const_strings.
8326 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8328 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8330 * arm.md (tlobits_cbranch): New pattern.
8331 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8332 testing a single bit.
8334 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8337 * tree-ssa-pre.c (create_component_ref_by_pieces):
8338 Handle RETURN_DECL like VAR_DECL.
8340 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8343 * fold-const.c (fold_indirect_ref_1): Fold
8344 "*(foo *)&complexfoo" to "__real__ complexfoo"
8345 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8347 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8349 * tree-flow-inline.h (var_can_have_subvars):
8350 Volatile variables should not have subvariables.
8352 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8355 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8356 multiplying unsigned values.
8359 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8361 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8363 2006-02-08 Jason Merrill <jason@redhat.com>
8366 * tree.def: Elaborate on difference from MODIFY_EXPR.
8367 * doc/c-tree.texi (INIT_EXPR): Likewise.
8368 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8369 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8370 (gimplify_target_expr): Likewise.
8371 (gimplify_cond_expr): Remove target handling.
8372 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8373 (gimplify_expr): Clobber it here.
8374 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8375 Do return slot optimization if we have an INIT_EXPR.
8378 * tree-inline.c (declare_return_variable): Also clear
8379 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8382 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8385 * gimplify.c (gimplify_one_sizepos): Fix typo.
8387 2006-02-08 Jeff Law <law@redhat.com>
8389 PR tree-optimization/21417
8390 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8391 across a backedge if the control statement at the end of the
8392 block is data dependent on other statements in the same block.
8393 (record_temporary_equivalences_from_stmts): Remove over-conservative
8394 test for threading across backedges.
8396 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8397 control statement, handle all three special cases in the same
8398 manner as they all have the same desired solution. No longer
8399 special case edge flag updating when the post dominator is
8402 2006-02-08 Roger Sayle <roger@eyesopen.com>
8404 * tree.def (CHAR_TYPE): Remove.
8405 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8406 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8407 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8408 (gen_string_type_die): Delete unreachable function.
8410 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8411 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8412 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8413 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8414 * builtins.c (type_to_class): Likewise.
8415 * fold-const.c (fold_convert, build_range_check,
8416 merge_ranges): Likewise.
8417 * expr.c (count_type_elements): Likewise.
8418 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8419 * stor-layout.c (layout_type): Likewise.
8420 * ipa-type-escape.c (type_to_consider): Likewise.
8421 * gimplify.c (omp_firstprivatize_type_sizes,
8422 gimplify_type_sizes): Likewise.
8423 * explow.c (promote_mode): Likewise.
8424 * tree-sra.c (is_sra_scalar_type): Likewise.
8425 * varasm.c (output_constant): Likewise.
8426 * tree-inline.c (remap_type_1): Likewise.
8427 * convert.c (convert_to_pointer, convert_to_real,
8428 convert_to_integer, convert_to_complex): Likewise.
8430 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8432 * df-scan.c (df_def_record_1): A set destination may
8433 be a parallel regardless of mode.
8435 2006-02-08 Roger Sayle <roger@eyesopen.com>
8438 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8439 * config/mips/_tilib.c: Remove.
8440 * config/fixtfdi.c: New libgcc source file.
8441 * config/fixunstfdi.c: New source file.
8442 * config/floatditf.c: New source file.
8443 * config/floatunditf.c: New souce file.
8444 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8445 files above instead of config/mips/_tilib.c.
8446 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8448 2006-02-08 Jeff Law <law@redhat.com>
8450 PR tree-optimization/26169
8451 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8454 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8456 * df.h (DF_REG_SIZE): Return the length of the initialized
8459 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8461 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8462 __muldf3): Return a correctly signed zero.
8464 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8466 * passes.c (register_one_dump_file): Accept the current properties
8467 instead of pass number. Adjust call to dump_register. Remove
8469 (register_dump_files): Now a wrapper around...
8470 (register_dump_files_1): ... this one. Do not modify the pass
8472 (next_pass_1): Cosmetic fix.
8473 (execute_todo): Keep second parameter only. Use curr_properties
8474 instead of fetching it from the pass structure. Check and set
8476 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8477 instead of fetching it from the pass structure. Fix calls to
8478 execute_todo. Update curr_properties and initialize .vcg RTL dump
8479 after running the pass. Reset last_verified.
8480 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8482 (FIRST_AUTO_NUMBERED_DUMP): New.
8483 (dump_register): Remove "num" parameter, assign it within the
8485 (get_dump_file_name): Modify template for dumps.
8486 * tree-dump.h (dump_register): Adjust prototype.
8487 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8488 (PROP_trees): Add PROP_gimple_lomp.
8489 (TODO_set_props): New.
8490 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8491 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8492 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8494 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8496 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8497 (sparc64-*-linux*): Likewise.
8498 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8499 * config/sparc/t-linux: New file.
8500 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8501 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8502 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8503 -m32 -mlong-double-128.
8505 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8506 * config/alpha/t-linux: New file.
8507 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8509 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8510 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8511 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8512 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8513 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8514 (CPP_ARCH32_SPEC): Remove.
8516 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8518 PR tree-optimization/26145
8519 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8522 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8525 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8526 >= 240000 when generating code for SOM runtime.
8527 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8528 to $$dyncall when generating code for SOM runtime..
8530 2006-02-07 Dirk Mueller <dmueller@suse.com>
8533 * doc/invoke.texi (-Wsequence-point): Update documentation
8534 that -Wsequence-point is implemented for C++ as well.
8536 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8538 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8539 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8540 (LIB_SPEC): Likewise.
8541 * doc/invoke.texi (SPARC options): Document -pthread.
8543 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8545 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8548 2006-02-07 Roger Sayle <roger@eyesopen.com>
8550 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8551 Correct comment describing BOOLEAN_TYPE.
8553 2006-02-07 Dirk Mueller <dmueller@suse.com>
8555 * c.opt: C++ frontend supports -Wdiv-by-zero.
8556 * c-opts.c (c_common_handle_option): Remove dead case.
8558 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8560 * configure.ac (TLS assembler check): Do not enable TLS by
8561 default on SPARC/Solaris before version 10.
8562 * configure: Regenerate.
8564 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8566 * doc/invoke.texi (xl-compat): Document conversion and support
8569 2006-02-07 Jeff Law <law@redhat.com>
8571 * tree-vrp.c (find_conditional_asserts): Update comments.
8572 (simplify_stmt_for_jump_threading): New.
8573 (identify_jump_threads, finalize_jump_threads): New.
8574 (vrp_finalize): Call identify_jump_threads.
8575 (execute_vrp): Call finalize_jump_threads.
8576 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8577 (vrp_element, vrp_data, vrp_element_p): Remove.
8578 (vrp_hash_elt, vrp_variables_stack): Remove.
8579 (vrp_hash, vrp_eq, record_range): Remove.
8580 (simplify_cond_and_lookup_avail_expr): Remove.
8581 (extract_range_from_cond): Remove.
8582 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8583 (simplify_stmt_for_jump_threading): New.
8584 (dom_thread_across_edge): New wrapper.
8585 (tree_ssa_dominator_optimize): No longer initialize or
8586 finalize any of the VRP datastructures. Remove iteration
8587 step and simplify as a result of removal of iteration step.
8588 (pass_dominator): Perform a cfg cleanup after DOM.
8589 (dom_opt_finalize_block): Use the new common routines
8590 for threading jumps. Simplify stack management slightly.
8591 No longer need to unwind VRP state.
8592 (record_equivalences_from_incoming_edge): No longer record
8594 (eliminate_redundant_computations): No longer call
8595 simplify_cond_and_lookup_avail_expr.
8596 * tree-flow.h (potentially_threadable_block): Prototype.
8597 (thread_across_edge): Likewise.
8598 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8599 (tree-ssa-threadedge.o): Add dependencies.
8600 * tree-ssa-threadedge.c: New file.
8601 * passes.c (init_optimization_passes): Merge PHIs before
8602 calling VRP. Run VRP again late in the SSA optimization pipeline.
8604 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8606 * df-core.c (df_set_blocks): Do not dereference function pointers.
8607 (df_finish1): Likewise.
8608 (df_hybrid_search_forward): Likewise.
8609 (df_hybrid_search_backward): Likewise.
8610 (df_iterative_dataflow): Likewise.
8611 (df_analyze_problem): Likewise.
8612 (df_compact_blocks): Likewise.
8613 (df_dump): Likewise.
8614 * df-scan.c (df_rescan_blocks): Likewise.
8615 (df_record_entry_block_defs): Likewise.
8617 * genconditions.c (write_conditions): Guard the definition of
8618 'insn_conditions' with the check on GCC version.
8619 (write_writer): Guard the traversal 'insn_conditions' with
8620 the check on GCC version.
8622 2006-02-07 Richard Guenther <rguenther@suse.de>
8626 2006-01-30 Richard Guenther <rguenther@suse.de>
8628 * gimplify.c (gimplify_target_expr): Handle easy cases
8629 without creating a temporary.
8631 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8633 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8634 use of float in probability computations. Use edge probabilities
8635 in place of statically computed probabilities.
8636 (min_spec_prob): New static variable.
8637 (schedule_insns): Initialize it.
8638 (GET_SRC_PROB): Removed.
8639 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8641 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8644 * config/ia64/unwind-ia64.c: Revert last change.
8645 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8646 (INCOMING_FRAME_SP_OFFSET): Define.
8648 2006-02-06 Roger Sayle <roger@eyesopen.com>
8650 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8652 2006-02-07 Ben Elliston <bje@au.ibm.com>
8654 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8655 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8656 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8657 (ix86_return_in_memory): Handle TDmode.
8658 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8659 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8661 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8663 * reorg.c (dbr_schedule): Use dump_file instead of file.
8665 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8668 * config/ia64/predicates.md (extr_len_operand): New predicate.
8669 * config/ia64/ia64.md (extv): Tighten constraints.
8671 (*tbit_and_2): Ditto.
8672 (*tbit_and_3): Ditto.
8673 (*tbit_or_2): Ditto.
8674 (*tbit_or_3): Ditto.
8678 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8681 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8683 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8685 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8686 loop_optimizer_init and loop_optimizer_finalize
8687 * tree-ssa-sink.c (execute_sink_code): Ditto.
8688 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8689 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8690 tree_ssa_loop_done): Ditto.
8691 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8692 * sched-ebb.c: Include output.h.
8693 (schedule_ebbs): Do not use dump argument.
8694 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8695 * loop.c (loop_dump_stream): Removed.
8696 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8698 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8699 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8700 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8701 loop_iterations, strength_reduce, record_biv, record_giv,
8702 final_giv_value, check_final_value, check_ext_dependent_givs,
8703 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8704 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8705 dump_file instead of loop_dump_stream.
8706 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8708 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8710 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8711 * haifa-sched.c: Include output.h
8712 (schedule_insns, sched_init): Do not use dump argument.
8713 * mode-switching.c (optimize_mode_switching): Ditto.
8714 * modulo-sched.c (stats_file): Removed.
8715 (print_node_sched_params): Do not call argument dump_file.
8716 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8717 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8719 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8721 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8722 rtl_loop_init, rtl_loop_done): Ditto.
8723 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8724 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8726 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8727 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8728 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8729 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8730 * emit-rtl.c (renumber_insns): Ditto.
8731 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8732 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8733 * regclass.c (regclass): Ditto.
8734 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8735 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8736 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8737 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8739 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8740 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8742 * gcse.c (gcse_file, debug_stderr): Removed.
8743 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8744 rest_of_handle_gcse): Do not use dump argument.
8745 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8746 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8747 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8748 compute_code_hoist_vbeinout, compute_code_hoist_data,
8749 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8750 compute_store_table, build_store_vectors, insert_insn_start_bb,
8751 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8752 store_motion): Use dump_file instead of gcse_file.
8753 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8754 * profile.c (profile_dump_file): Removed.
8755 (branch_prob): Use dump_file instead of profile_dump_file.
8756 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8758 * tree-ssa-copy.c (dump_copy_of): Ditto.
8759 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8760 dump file to life_analysis.
8761 * bt-load.c (branch_target_load_optimize): Ditto.
8762 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8764 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8765 regclass, dbr_schedule): Declaration changed.
8766 * sched-int.h (sched_init): Declaration changed.
8767 * tree-profile.c (tree_profile_dump_file): Removed.
8768 (tree_profile_hooks): Removed profile_dump_file hook.
8769 * rtl-profile (rtl_profile_dump_file): Removed.
8770 (rtl_profile_hooks): emoved profile_dump_file hook.
8771 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8773 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8774 * tree-cfg.c (build_tree_cfg): Ditto.
8775 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8776 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8777 Declaration changed.
8778 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8779 life_analysis and schedule_insns.
8780 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8782 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8784 * config/mips/mips.c (mips_reorg): Ditto.
8785 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8788 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8790 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8791 (s390_mangle_fundamental_type): New.
8792 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8795 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8796 (alpha_mangle_fundamental_type): New.
8797 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8800 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8802 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8804 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8805 (sparc_mangle_fundamental_type): New.
8807 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8809 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8810 (s390x-*-linux*): Likewise.
8811 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8812 * config/s390/t-linux: New file.
8814 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8816 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8817 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8819 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8821 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8822 (ANTIC_SAFE_LOADS): New macro.
8823 (find_or_generate_expression): Add prototype.
8824 (set_contains_value): Allow null set for sake of not always having
8825 to allocate ANTIC_SAFE_LOADS.
8826 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8827 Allow COMPONENT_REF too.
8828 (valid_in_set): Allow COMPONENT_REF.
8829 Check ANTIC_SAFE_LOADS too.
8830 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8831 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8833 (can_PRE_operation): Add COMPONENT_REF.
8834 (create_component_ref_by_pieces): New function.
8835 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8836 (insert_aux): Move AGGREGATE_TYPE_P check here.
8837 (compute_avail): Set bb local stmt uids.
8838 (pass_pre): Use TODO_update_ssa_only_virtuals.
8840 2006-02-06 Ben Elliston <bje@au.ibm.com>
8842 * configure.ac: Unconditionally disable decimal float by default.
8843 * configure: Regenerate.
8845 2006-02-06 Ben Elliston <bje@au.ibm.com>
8847 * read-rtl.c (read_name): Terminate reading on EOF.
8849 2006-02-06 Ben Elliston <bje@au.ibm.com>
8851 * dfp.c (decimal_real_arithmetic): Change second argument type
8852 from int to enum tree_code. Do not always return true, but now
8853 return result of any call to decimal_do helper functions.
8854 * dfp.h (decimal_real_arithmetic): Update prototype.
8856 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8858 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8860 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8863 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8866 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8868 * tree-vrp.c (cfg_loops): Removed.
8869 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8870 Use current_loops instead of cfg_loops. Pass flags to
8871 loop_optimizer_init.
8872 * cfgloopmanip.c (fix_loop_structure): Update only available
8874 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8875 loop_optimizer_init.
8876 * modulo-sched.c (build_loops_structure): Removed.
8877 (sms_schedule): Use loop_optimizer_init.
8878 * loop-init.c (loop_optimizer_init): Use flags to determine
8879 which properties of loops to prepare.
8880 (rtl_loop_init): Pass flags to loop_optimizer_init.
8881 * tree-ssa-sink.c (execute_sink_code): Ditto.
8882 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8883 * tree-ssa-pre.c (init_pre): Ditto.
8884 * cfgloop.h (LOOPS_NORMAL): New.
8885 (loop_optimizer_init): Declaration changed.
8887 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8889 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8890 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8892 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8894 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8896 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8897 * pa/t-pa64: Delete quadlib.c rule.
8898 * pa/x-ada: Revert last change.
8899 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8901 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8903 PR rtl-optimization/26087
8904 * rtlanal.c (canonicalize_condition): Do not cross basic block
8907 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8910 * config/ia64/ia64.c: Include debug.h.
8911 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8912 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8913 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8914 (process_epilogue, process_set, process_for_unwind_directive):
8915 Output unwind info only if requested. Add CFA info if requested.
8916 Add new arguments as needed. Adjust callers.
8917 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8919 (DWARF2_FRAME_INFO): Define to zero.
8920 * config/ia64/unwind-ia64.c: Remove code that compensated for
8921 the CFA offset error fixed above.
8922 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8923 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8924 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8925 -funwind-tables and -fexceptions to enable frame info.
8926 (dwarf2out_frame_init): Define initial CFA even if
8927 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8928 DWARF2_UNWIND_INFO is nonzero, not just defined.
8929 (dwarf2out_frame_finish): Output non-EH call frame info only
8930 if DWARF2_FRAME_INFO is nonzero.
8931 (convert_cfa_to_loc_list,
8932 compute_frame_pointer_to_cfa_displacement): Define even if
8933 unwind info is not supported.
8934 (gen_subprogram_die): Use the above unconditionally. Remove
8935 legacy alternate code.
8936 * toplev.c (compile_file): Compile in call to
8937 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8938 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8940 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8941 Jakub Jelinek <jakub@redhat.com>
8943 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8944 IBM extended float format long double as "g" on powerpc*-linux.
8946 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8949 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8950 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8952 2006-02-03 Jason Merrill <jason@redhat.com>
8955 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8958 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8959 on the return slot if it's an NRV.
8961 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8963 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8964 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8965 rewrite_use): Do not handle USE_OUTER.
8966 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8967 add_iv_outer_candidates, may_replace_final_value,
8968 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8969 (find_interesting_uses_op): Functionality of
8970 find_interesting_uses_outer_or_nonlin moved here.
8971 (find_interesting_uses_outside): Use find_interesting_uses_op.
8973 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8976 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8978 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8979 Ulrich Weigand <uweigand@de.ibm.com>
8982 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8983 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8984 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8985 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8987 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8988 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8989 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8990 Define secondary reloads for TFmode moves.
8991 (constant_modes): Add TFmode.
8992 (NR_C_MODES): Set to 8.
8993 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8995 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8996 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8997 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8998 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8999 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9000 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9001 (FPR mode macro): Add TFmode.
9002 (DSF mode macro): New.
9003 (<de>, <dee> mode attributes): Removed.
9004 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9005 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9006 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9007 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9008 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9009 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9010 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9011 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9012 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9013 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9014 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9015 "*negabs<mode>2", "sqrt<mode>2"):
9016 Changed <de> to <xde>. R constraint replaced by <Rf>.
9017 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9019 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9020 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9021 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9023 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9024 "extenddftf2", "extendsftf2"): New expanders.
9025 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9026 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9027 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9028 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9030 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9031 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9032 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9033 __floatditf): Add a GCC_4.1.0 symbol version tag.
9034 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9037 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9040 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9041 Use targetm.binds_local_p instead of TREE_PUBLIC.
9043 2006-02-02 Roger Sayle <roger@eyesopen.com>
9045 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9046 on INTEGER_TYPEs to indicate that it denotes a character type.
9047 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9048 signed_char_type_node, unsigned_char_type_node and char_type_node.
9049 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9050 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9051 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9053 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9054 Daniel Berlin <dberlin@dberlin.org>
9056 * tree-tailcall.c (arg_needs_copy_p): New function.
9057 (eliminate_tail_call): Use arg_needs_copy_p.
9058 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9059 (add_virtual_phis): New function.
9061 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9063 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9064 #ignore instead of #scratch for %g7 .register directive.
9066 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9068 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9071 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9073 * flow.c (calculate_global_regs_live): Assert that there aren't any
9076 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9078 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9080 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9081 bsi_after_labels iterator.
9082 * tree-if-conv.c (find_phi_replacement_condition,
9083 replace_phi_with_cond_modify_expr): Likewise.
9084 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9085 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9087 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9089 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9091 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9094 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9095 array after growing it.
9097 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9100 * fold-const.c (fold_checksum_tree): Change type of buf.
9102 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9104 * reload.c (push_secondary_reload): Initialize t_icode.
9106 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9108 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9109 -msoft-float -mlong-double-128 only issue a warning, but don't
9110 swich to DFmode long double.
9112 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9114 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9115 has a constant equivalent, iterate over equivalents for arg0,
9116 calling simplify_relational_operation and if there's a result
9117 cheaper than X, apply fold_rtx and return the result.
9119 2006-02-01 Jan Hubicka <jh@suse.cz>
9121 * opts.c (no_unit_at_a_time_default): New global variable.
9122 (decode_options): Use it.
9123 * opts.h (no_unit_at_a_time_default): Declare.
9125 2006-02-01 Paul Brook <paul@codesourcery.com>
9127 * function.c (assign_parm_setup_reg): Use function argument promotion
9129 * expr.c (expand_expr_real_1): Use function argument promotion rules
9132 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9134 * gcc.c (process_command): Change j to 'unsigned int'.
9136 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9139 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9140 Use the corrected index for the character
9141 out of the string constant.
9143 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9145 * mode-switching.c (optimize_mode_switching): Fix size
9146 allocated for bb_info[n_entities].
9148 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9150 * gcc.c (main): Correct type that is allocated for
9151 explicit_link_files.
9153 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9155 * config/s390/s390.c (init_alignment_context): Set
9156 ALIAS_SET_MEMORY_BARRIER on the MEM.
9157 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9159 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9162 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9164 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9167 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9169 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9170 * regrename.c: Ditto.
9171 * tree-ssa-loop-im.c: Ditto.
9172 * tree-dump.c: Ditto.
9173 * tree-complex.c: Ditto.
9174 * genrecog.c: Ditto.
9175 * tree-ssa-threadupdate.c: Ditto.
9177 * java/class.c: Ditto.
9178 * java/jcf-parse.c: Ditto.
9179 * java/resource.c: Ditto.
9180 * java/except.c: Ditto.
9181 * java/jvspec.c: Ditto.
9182 * java/jcf-write.c: Ditto.
9183 * java/jcf-path.c: Ditto.
9184 * java/gjavah.c: Ditto.
9185 * java/zextract.c: Ditto.
9186 * java/jcf-io.c: Ditto.
9187 * java/jcf.h: Ditto.
9188 * java/buffer.c: Ditto.
9189 * java/lang.c: Ditto.
9190 * java/parse-scan.y: Ditto.
9191 * java/lex.c: Ditto.
9192 * java/lex.h: Ditto.
9193 * cfgloopmanip.c: Ditto.
9194 * postreload-gcse.c: Ditto.
9195 * tree-ssa-loop-manip.c: Ditto.
9196 * postreload.c: Ditto.
9197 * tree-ssa-loop-ch.c: Ditto.
9201 * diagnostic.c: Ditto.
9203 * genoutput.c: Ditto.
9205 * cfghooks.c: Ditto.
9206 * cfgloopanal.c: Ditto.
9207 * objc/objc-act.c: Ditto.
9209 * genextract.c: Ditto.
9210 * genautomata.c: Ditto.
9211 * pretty-print.c: Ditto.
9213 * cgraphunit.c: Ditto.
9216 * haifa-sched.c: Ditto.
9217 * dominance.c: Ditto.
9219 * tree-ssa-loop-ivopts.c: Ditto.
9221 * mode-switching.c: Ditto.
9222 * modulo-sched.c: Ditto.
9224 * ipa-pure-const.c: Ditto.
9226 * fix-header.c: Ditto.
9228 * tree-stdarg.c: Ditto.
9229 * ipa-utils.c: Ditto.
9230 * loop-init.c: Ditto.
9231 * ipa-inline.c: Ditto.
9234 * alloc-pool.c: Ditto.
9235 * dwarf2out.c: Ditto.
9237 * genattrtab.c: Ditto.
9238 * tree-ssa-loop-ivcanon.c: Ditto.
9242 * fortran/gfortranspec.c: Ditto.
9244 * local-alloc.c: Ditto.
9245 * langhooks.c: Ditto.
9246 * function.c: Ditto.
9247 * tree-vectorizer.c: Ditto.
9249 * ipa-type-escape.c: Ditto.
9251 * tree-if-conv.c: Ditto.
9254 * tree-data-ref.c: Ditto.
9255 * loop-unroll.c: Ditto.
9256 * treelang/treetree.c: Ditto.
9259 * ggc-common.c: Ditto.
9261 * coverage.c: Ditto.
9263 * tree-cfgcleanup.c: Ditto.
9264 * tree-ssa-pre.c: Ditto.
9265 * cfgcleanup.c: Ditto.
9266 * loop-invariant.c: Ditto.
9268 * ipa-prop.c: Ditto.
9269 * print-tree.c: Ditto.
9270 * conflict.c: Ditto.
9271 * ggc-page.c: Ditto.
9272 * sched-deps.c: Ditto.
9273 * regclass.c: Ditto.
9274 * tree-object-size.c: Ditto.
9276 * bb-reorder.c: Ditto.
9277 * resource.c: Ditto.
9278 * var-tracking.c: Ditto.
9280 * df-problems.c: Ditto.
9281 * reg-stack.c: Ditto.
9284 * sched-rgn.c: Ditto.
9285 * tree-ssa-structalias.c: Ditto.
9286 * tree-ssa-reassoc.c: Ditto.
9287 * config/darwin-c.c: Ditto.
9288 * config/darwin.c: Ditto.
9289 * config/arm/arm.c: Ditto.
9291 * collect2.c: Ditto.
9294 2006-01-31 Nicolas Pitre <nico@cam.org>
9296 * arm.md (smaxsi3): Make aware of smax_m1.
9299 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9301 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9303 2006-01-31 Richard Guenther <rguenther@suse.de>
9305 * doc/invoke.texi (-msselibm): Document.
9306 * target.h (expand_library_builtin): New target hook.
9307 * builtins.c (expand_builtin): Use expand_library_builtin.
9308 (default_expand_library_builtin): New function.
9309 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9310 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9311 (link_gcc_math_spec): Declare.
9312 (static_specs): Add link_gcc_math_spec.
9313 * expr.h (default_expand_library_builtin): Declare.
9314 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9315 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9316 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9317 * config/i386/i386.opt (msselibm): New target option.
9318 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9319 (ix86_init_sse_abi_builtins): New function.
9320 (ix86_expand_library_builtin): Likewise.
9321 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9322 (override_options): Handle error conditions wrt -msselibm.
9323 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9324 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9325 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9328 2006-01-31 Richard Guenther <rguenther@suse.de>
9329 Paolo Bonzini <bonzini@gnu.org>
9331 * doc/install.texi (--disable-libgcc-math): Document.
9333 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9335 * expr.h (expand_normal): new inline function.
9336 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9338 * dwarf2out.c: use it.
9343 * config/sparc/sparc.c: use it.
9344 * config/i386/i386.c: use it.
9345 * config/rs6000/rs6000.c: use it.
9346 * config/arm/arm.c: use it.
9347 * config/mips/mips.c: use it.
9348 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9350 2006-01-30 Roger Sayle <roger@eyesopen.com>
9352 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9353 argv to the appropriate type.
9355 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9357 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9360 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9363 * config/s390/s390.c (struct machine_function): New flag
9364 decomposed_literal_pool_addresses_ok_p.
9365 (s390_reorg): Set it before final stage of literal pool transforms.
9366 (s390_decompose_address): Only accept displacements of the form
9367 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9369 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9371 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9372 the comparison routine return.
9374 2006-01-30 Michael Matz <matz@suse.de>
9376 * global.c (find_reg): Only evict for global regs.
9377 Take n_refs into account and dump more info.
9379 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9382 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9383 (pragma_trap, pragma_nosave_low_regs): Likewise.
9384 (current_function_anonymous_args): Likewise.
9385 (sh_deferred_function_attributes): New variable.
9386 (sh_deferred_function_attributes_tail): Likewise.
9387 (print_operand): For '@', look up trap_exit attribute.
9388 (calc_live_regs): Look up trapa_handler attribute. For trapa
9389 handlers, save/restore fpscr, but don't do any other
9390 interrupt-specific saves.
9391 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9392 Fix check for partially saved registers to check for SHmedia.
9393 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9394 (sh_output_function_epilogue): Don't clear any of the removed
9396 (sh_insert_attributes): Don't check pragma_interrupt.
9397 Insert deferred attributes. Check that interrupt attribute is
9398 present for other attributes that require its presence.
9399 (sh_attribute_table): Add new attributes trapa_handler and
9401 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9402 Don't check for pragma_interrupt. Don't store argument.
9403 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9404 (sh_deferred_function_attributes): Declare.
9405 (sh_deferred_function_attributes_tail): Likewise.
9406 * sh.md (sp_switch_1): Add operand. Change generator caller.
9407 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9408 (*return_i): Don't use when trap_exit attribute is in effect.
9409 (*return_trapa): New insn pattern.
9411 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9412 setting c_target_objs and cxx_target_objs.
9413 * t-sh: Add rule for sh-c.o.
9415 2006-01-30 Richard Guenther <rguenther@suse.de>
9418 * gimplify.c (gimplify_target_expr): Handle easy cases
9419 without creating a temporary.
9421 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9423 * vec.h (safe_grow): Remove duplicated line.
9425 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9428 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9429 (expand_omp): ... here.
9430 (expand_omp_parallel): Only remove barriers for combined
9431 parallel+workshare constructs.
9433 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9437 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9438 * tree.c (build_qualified_type): Chain the new type to the original
9439 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9440 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9441 (build_pointer_type_for_mode): Only return unqualified types.
9442 (build_reference_type_for_mode): Likewise.
9444 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9446 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9447 * Makefile.in (CXX_COMPAT_WARN): Define.
9448 * configure: Regenerate.
9450 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9453 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9456 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9458 * toplev.c: Fix thinko.
9460 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9461 Marcin Dalecki <martin@dalecki.de>
9463 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9464 (push_srcloc): Use XNEW.
9465 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9467 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9469 * df-core.c (df_set_blocks): Deleted all variable.
9471 2006-01-28 Ian Lance Taylor <ian@airs.com>
9473 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9474 cgraph_output_pending_asms.
9476 2006-01-28 Zack Weinberg <zackw@panix.com>
9478 * c.opt: Add -W(no-)overlength-strings.
9479 * doc/invoke.texi: Document it.
9480 * c-opts.c (c_common_handle_option): -pedantic implies
9481 -Woverlength-strings, if not explicitly disabled already.
9482 (c_common_post_options): -Woverlength-strings defaults to off, and
9483 is always off for C++.
9484 * c-common.c (fix_string_type): Issue warning about strings longer
9485 than is portable only if warn_overlength_strings. Rearrange code
9486 a little for clarity.
9487 * configure.in: Check for -Wno-overlength-strings as well before
9488 enabling -pedantic in stage 1.
9489 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9490 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9492 * genconditions.c (write_header, write_one_condition)
9493 (write_conditions, write_writer): Consolidate very long strings
9494 that were broken up to fit in C89 portable limit. Don't use
9495 printf when fputs will do.
9497 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9499 * combine.c (simplify_comparison <AND>): Check
9500 TRULY_NOOP_TRUNCATION before start using a subreg.
9502 * config/mips/mips.md (*branch_zero<mode>,
9503 *branch_zero<mode>_inverted, *branch_equality<mode>,
9504 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9505 Remove mode check from comparisons.
9507 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9509 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9511 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9513 * expmed.c (const_mult_add_overflow_p): Remove.
9514 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9516 * recog.c (validate_replace_rtx_subexp): Remove.
9517 * recog.h: Remove the prototype for
9518 validate_replace_rtx_subexp.
9520 * integrate.h: Remove the prototype for
9521 copy_decl_for_inlining.
9522 * rtl.h: Remove the prototype for mark_constant_function.
9523 * tree-vectorizer.h: Remove the prototype for
9524 vect_strip_conversion.
9526 * modulo-sched.c (create_partial_schedule,
9527 free_partial_schedule, reset_partial_schedule): Make them
9530 * hooks.c (hook_bool_rtx_int_false): Remove.
9531 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9533 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9535 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9536 and -mlong-double-128 are incompatible.
9537 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9538 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9539 (TARGET_LIBGCC2_CFLAGS): Define.
9540 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9541 (TARGET_LIBGCC2_CFLAGS): Same.
9542 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9544 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9547 * c-typeck.c (build_binary_op): Perform implicit casts of
9548 operands before shortening them.
9550 * cfgloopmanip.c (split_loop_bb): Remove.
9551 * cfgloop.h: Remove the prototype for split_loop_bb.
9553 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9554 * cfgloop.h: Remove the prototype for
9555 flow_loop_outside_edge_p.
9557 * emit-rtl.c (init_virtual_regs): Make it static.
9558 * function.h: Remove the prototype for init_virtual_regs.
9560 * recog.c (peephole2_optimize): Make it static.
9561 * recog.h: Remove the prototype for peephole2_optimize.
9563 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9565 * df-scan.c (df_record_entry_block_defs): Check if
9566 INCOMING_RETURN_ADDR_RTX is defined.
9568 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9569 Kenneth Zadeck <zadeck@naturalbridge.com>
9571 PR rtl-optimization/24762
9572 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9573 * targhooks.c (hook_void_bitmap): New hook prototype.
9574 * targhoohs.h (hook_void_bitmap): Ditto.
9575 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9576 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9577 * target.h (live_on_entry): New function pointer.
9578 * df-scan.c (df_all_hard_regs): Removed.
9579 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9580 (df_scan_free_internal): Added df->entry_block_defs.
9581 (df_scan_alloc): Ditto.
9582 (df_scan_dump): Ditto.
9583 (df_uses_record): Plumbed flag field properly thru calls.
9584 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9585 This part fixes PR24762.
9586 (df_bb_refs_record): Added code to make the frame and arg
9587 pointers live in EH blocks.
9588 (df_refs_record): Added call to df_record_entry_block_defs.
9589 (df_record_entry_block_defs): New function.
9590 * df-core.c: Added comments to describe new artifical defs.
9591 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9592 (entry_block_defs): New field in struct df.
9593 (df_all_hard_regs): Deleted.
9594 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9595 * df-problems.c (df_ru_bb_local_compute_process_def):
9596 Added code to handle artifical defs in the entry to a function.
9597 (df_ru_bb_local_compute): Ditto.
9598 (df_rd_bb_local_compute_process_def): Ditto.
9599 (df_rd_bb_local_compute): Ditto.
9600 (df_lr_bb_local_compute): Ditto.
9601 (df_ur_bb_local_compute): Ditto.
9602 (df_urec_bb_local_compute): Ditto.
9603 (df_chain_create_bb): Ditto.
9604 (df_ur_local_finalize): Removed entry.
9605 (df_urec_init): Ditto.
9606 (df_urec_local_finalize): Ditto.
9607 (df_ri_bb_compute): Added detection of last use of pseudos.
9608 * Makefile.in (df-scan.o): Updated dependencies.
9609 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9610 * config/mips/mips.c (mips_set_live_on_entry): Added.
9611 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9613 * dce.c (marked_insn_p): Added code to handle artifical defs.
9615 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9617 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9619 (_mm_cvtsi128_si64): Likewise.
9620 (_mm_cvtsd_si64): Likewise.
9621 (_mm_cvttsd_si64): Likewise.
9622 (_mm_cvtsi64_sd): Likewise.
9623 (_mm_cvtsi64_si128): Likewise.
9624 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9625 (_mm_cvtsi64_m64): Likewise.
9626 (_m_to_int64): Likewise.
9627 (_mm_cvtm64_si64): Likewise.
9628 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9629 (_mm_cvttss_si64): Likewise.
9630 (_mm_cvtsi64_ss): Likewise.
9631 (_mm_cvtss_f32): Likewise.
9633 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9635 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9636 for pragma redefine_extname.
9638 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9641 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9642 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9643 -mno-minimal-toc to previous content.
9644 (bispecs): Remove goal.
9645 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9646 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9647 compatibility aliases on powerpc-*-*gnu*.
9648 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9649 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9650 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9651 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9652 (ldblspecs): New goal.
9653 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9654 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9656 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9657 L_sf_to_tf or L_df_to_tf is defined.
9659 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9660 Alan Modra <amodra@bigpond.net.au>
9663 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9664 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9665 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9666 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9667 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9668 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9669 (rs6000_override_options): Initialize rs6000_ieeequad.
9670 Initialize TFmode format to ibm_extended_format if not
9672 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9674 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9675 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9676 (function_arg_advance): IBM long double passed in two FPRs, not
9678 (function_arg): IBM long double passed in FPRs.
9679 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9680 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9681 Only multireg GPR aligned.
9682 (rs6000_init_libfuncs): Enable IBM long double functions if not
9684 (rs6000_generate_compare): Use IBM long double compare if not
9686 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9687 (TARGET_IEEEQUAD): Define.
9688 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9689 not TARGET_IEEEQUAD.
9690 * config/rs6000/rs6000.md: Enable TFmode patterns if
9692 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9693 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9694 and -mlong-double-128 are incompatible.
9695 * doc/invoke.texi (-mabi): Collect options together. Add
9696 ibmlongdouble and ieeelongdouble.
9698 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9700 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9702 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9703 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9704 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9705 * rtl.h (rtunion_def): Remove rt_ptr.
9707 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9708 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9709 * config/i386/winnt.c (i386_pe_mark_dllexport)
9710 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9712 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9714 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9716 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9720 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9721 pthread_key_delete. From John David Anglin. gthrw-ify
9722 pthread_getunique_np only if it it's not a macro. Delete
9724 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9725 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9726 __gthread_objc_condition_signal, __gthread_key_delete): Add
9727 "__attribute__ ((__unused__))" to unused arguments.
9728 (__gthread_recursive_mutex_init_function): Add missing return.
9729 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9730 gthr-posix95.h: Use macro-based approach for name redirection
9731 on targets missing weakref.
9733 2006-01-26 Zack Weinberg <zackw@panix.com>
9735 * genconditions.c (write_header): In generated code, #ifdef out
9736 all includes and fake declarations, except includes of bconfig.h
9737 and system.h, unless GCC_VERSION >= 3001. Do not include
9738 gensupport.h in any case.
9739 (write_conditions): Generate a definition of struct c_test. Add
9740 a comment to the generated #endif.
9741 (write_one_condition): Escape backslashes in string too.
9742 (write_writer): Generated code must escape backslashes and quote
9743 marks (but not newlines) in the strings it writes.
9744 * Makefile.in (build/gencondmd.o): Update dependencies.
9746 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9749 * Makefile.in (insn-automata.o): Add header file dependencies.
9750 * genautomata.c: Add includes.
9752 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9755 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9757 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9759 * configure.ac: Expect target tools paths to be passed from the toplevel
9760 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9762 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9764 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9767 * c.opt (Wpointer-sign): Init to -1.
9768 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9769 OPT_pedantic, to 0 otherwise.
9770 * doc/invoke.texi: Update.
9772 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9774 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9775 constants provided by 80387 instructions in the destination mode.
9777 2006-01-26 Richard Guenther <rguenther@suse.de>
9778 Andrew Pinski <pinskia@physics.uc.edu>
9781 partial PR tree-opt/17064
9782 * tree-ssa-structalias.c (intra_create_variable_infos):
9783 Create heap variables for incoming parameters if
9784 flag_argument_noalias > 1.
9785 (find_what_p_points_to): Look through default defs of
9788 2006-01-26 Jeff Law <law@redhat.com>
9791 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9792 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9793 within the VR_RANGE, use the VR_RANGE as the result, not the
9795 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9796 bounds for the type.
9798 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9800 * tree-ssa-alias.c (maybe_create_global_var): Change
9801 subvar walking to an assertion that we don't have subvar'd variables.
9803 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9806 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9807 Use a new variable, inner. PARM_DECLs are always non-weak.
9809 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9811 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9814 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9816 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9818 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9820 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9821 (smax_insn, smin_insn, smax_0, smin_0): New.
9823 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9826 * config/cris/cris.c (cris_order_for_addsi3): New function.
9827 * config/cris/cris-protos.h: Prototype it.
9828 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9829 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9830 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9831 (split for "op.S1 [rx=rx+i],ry (swapped)")
9832 (split for "op(s|u).S1 [rx=rx+i],ry")
9833 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9834 Apply cris_order_for_addsi3 when generating addsi3 insns.
9836 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9838 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9839 (TREE_BLOCK): Add call to EXPR_CHECK.
9841 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9844 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9845 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9846 (dump_omp_clauses): ... here.
9847 (dump_generic_node): Handle OMP_CLAUSE.
9848 * tree.c (omp_clause_num_ops): New.
9849 (omp_clause_code_name): New.
9850 (tree_code_size): Handle OMP_CLAUSE.
9851 (tree_size): Likewise.
9852 (make_node): Document handling of OMP_CLAUSE.
9853 (tree_node_structure): Handle OMP_CLAUSE.
9854 (omp_clause_check_failed): New.
9855 (omp_clause_range_check_failed): New.
9856 (omp_clause_operand_check_failed): New.
9857 (build_omp_clause): New.
9858 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9859 * tree.h (enum omp_clause_code): Declare.
9860 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9861 (OMP_CLAUSE_RANGE_CHECK): Define.
9862 (OMP_CLAUSE_ELT_CHECK): Define.
9863 (omp_clause_check_failed): Declare.
9864 (omp_clause_operand_check_failed): Declare.
9865 (omp_clause_range_check_failed): Declare.
9866 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9867 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9868 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9869 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9870 (OMP_CLAUSE_IF_EXPR): Likewise.
9871 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9872 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9873 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9874 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9875 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9876 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9877 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9878 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9879 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9880 (OMP_CLAUSE_CODE): Define.
9881 (OMP_CLAUSE_SET_CODE): Define.
9882 (OMP_CLAUSE_CODE): Define.
9883 (OMP_CLAUSE_OPERAND): Define.
9884 (struct tree_omp_clause): Declare.
9885 (union tree_node): Add field 'omp_clause'.
9886 * treestruct.def (TS_OMP_CLAUSE): Define.
9887 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9888 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9889 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9890 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9891 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9892 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9893 (OMP_CLAUSE): Define.
9894 * print-tree.c (print_node): Handle OMP_CLAUSE.
9895 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9896 * c-typeck.c: Likewise.
9897 * gimplify.c: Likewise.
9898 * c-omp.c: Likewise.
9899 * tree-nested.c: Likewise.
9900 * tree-inline.c: Likewise.
9901 * c-parser.c: Likewise.
9902 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9905 2006-01-25 Roger Sayle <roger@eyesopen.com>
9907 PR rtl-optimization/25703
9908 * combine.c (try_combine): Handle zero_extract and strict_low_part
9909 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9911 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9913 * global.c: Fix comment typos.
9915 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9918 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9919 Use output_addr_const instead of assemble_name.
9921 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9923 * Makefile.in (sched-vis.o): Update dependencies.
9924 * haifa-sched.c (sched_finish): Clear current_sched_info.
9925 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9926 (dump_flow_info): Call it.
9927 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9929 * basic-block.h (dump_bb_info): Declare.
9930 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9931 option, and apply options only for dump files whose TDF_RTL,
9932 TDF_TREE, or TDF_IPA bits match.
9933 * rtl.h: Declare new functions exported from sched-vis.c.
9934 * sched-vis.c: Enable also if scheduling is not used.
9935 (print_value): Print the mode of registers if not inside scheduling.
9936 (print_insn): Make it work outside the scheduler. Beautify the output
9938 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9940 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9942 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9943 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9944 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9945 depending on the value of CONSTANT_POOL_ADDRESS_P.
9946 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9948 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9949 rather than SYMBOL_REF_DECL.
9950 (rtx_constant_pool): Remove const_rtx_sym_htab.
9951 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9952 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9953 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9954 Remove handling of const_rtx_sym_htab.
9955 (find_pool_constant): Delete.
9956 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9957 rather than find_pool_constant.
9958 (get_pool_constant_for_function): Delete.
9959 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9961 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9962 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9963 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9964 (SYMBOL_REF_CONSTANT): New macro.
9965 (get_pool_constant_for_function): Delete.
9966 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9967 rather than SYMBOL_REF_DECL.
9968 (i386_pe_mark_dllimport): Likewise.
9969 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9970 rather than SYMBOL_REF_DECL.
9971 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9972 (machopic_indirect_call_target): Likewise.
9974 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9976 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9978 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9980 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9982 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9984 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9986 2006-01-24 David Daney <ddaney@avtrex.com>
9989 * configure.ac (enable_tls): New enable option.
9990 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9991 * configure: Regenerate.
9992 * doc/install.texi (--enable-tls): Document new option.
9993 (--disable-tls): Ditto.
9995 2006-01-24 Richard Henderson <rth@redehat.com>
9997 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9998 * alias.c (true_dependence): Respect it.
9999 (canon_true_dependence, write_dependence_p): Likewise.
10000 * builtins.c (get_builtin_sync_mem): Set it.
10002 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10004 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10007 2006-01-24 DJ Delorie <dj@redhat.com>
10009 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10010 for storing constants in single-bit bitfields.
10012 2006-01-25 Ben Elliston <bje@au.ibm.com>
10014 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10016 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10019 * tree-ssa-pre.c (phi_translate): Return NULL
10020 for AGGREGATE_TYPE's.
10022 2006-01-24 Zack Weinberg <zackw@panix.com>
10024 * genautomata.c (process_state_for_insn_equiv_partition):
10025 Use xcalloc for insn_arcs_array.
10026 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10027 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10029 2006-01-24 Richard Henderson <rth@redhat.com>
10031 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10032 update all callers.
10034 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10036 PR rtl-optimization/25890
10037 PR rtl-optimization/25905
10038 * combine.c (expand_compound_operation, expand_field_assignment):
10039 Fail if the bitfield's final position is out of bounds.
10041 2006-01-24 Ian Lance Taylor <ian@airs.com>
10043 PR middle-end/25930
10044 * cgraphunit.c (cgraph_output_in_order): Don't clear
10045 cgraph_asm_nodes until after asm strings have been output.
10047 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10049 * fix-header.c (read_scan_file): Add new parameter imultilib when
10050 calling register_include_chains.
10052 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10054 * omp-low.c: Update documentation.
10056 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10057 Daniel Berlin <dberlin@dberlin.org>
10061 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10062 return from the function.
10064 2006-01-22 Zack Weinberg <zackw@panix.com>
10066 * rtl.def (match_code): Add second argument.
10067 * genpreds.c (write_extract_subexp): New function.
10068 (write_match_code): Add path argument. Use write_extract_subexp.
10069 (write_predicate_expr): Pass path to write_match_code.
10070 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10071 not perform a mode test.
10072 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10073 a subexpression does not constrain the top-level code set.
10074 * read-rtl.c (read_rtx_variadic): New function.
10075 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10076 * doc/md.texi: Document new notation.
10077 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10078 (cmpsi_operand): ... here, using new notation.
10080 2006-01-22 Zack Weinberg <zackw@panix.com>
10082 * varray.c: Remove GENERATOR_FILE #ifdefs.
10084 2006-01-22 Zack Weinberg <zackw@panix.com>
10086 * genautomata.c (output_reserved_units_table): Emit nothing if
10087 description->query_units_num is zero. Remove extra blank line.
10088 (output_cpu_unit_reservation_p): Short circuit
10089 if description->query_units_num is zero.
10091 2006-01-22 Zack Weinberg <zackw@panix.com>
10093 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10094 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10095 nor any of the random handful of variables that used to be necessary
10096 when this program was linked with rtlanal.o. Prune set of forward
10097 function declarations.
10098 (struct attr_desc): Remove static_p field.
10099 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10100 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10101 (attr_string): Do not read the character one past the length of
10103 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10104 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10105 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10106 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10107 (make_automaton_attrs): New.
10108 (main): Do not call into genautomata. Call local gen_bypass
10109 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10110 Remove special case for insn_alts.
10111 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10112 varray.h (leftover from previous change). Prune set of forward
10113 function declarations. Remove state_alts fields from all
10114 structures. Remove state_alts_table from struct automaton.
10115 Make everything except main static. Do not maintain num_dfa_decls.
10116 Do not maintain state_alts fields of various structures.
10117 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10118 (add_arc): Remove state_alts argument. All callers updated.
10119 (output_reserved_units_table): Emit #ifdef here...
10120 (output_tables): ...not here. Don't generate state_alts tables.
10121 (expand_automata): Don't generate attributes.
10122 (write_automata): Don't generate state_alts functions.
10123 (main): New function.
10124 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10125 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10126 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10127 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10128 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10129 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10130 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10131 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10133 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10134 * genattrtab.h: Delete file.
10135 * Makefile.in (OBJS-common): Add insn-automata.o.
10136 (insn-automata.o): New rule.
10137 (simple_generated_c): Add insn-automata.c.
10138 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10139 (genprogmd): Add automata.
10140 (build/genattrtab): Needs no extra objects nor libraries.
10141 (build/genautomata): Needs build/vec.o and -lm.
10143 2006-01-22 Zack Weinberg <zackw@panix.com>
10145 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10146 (output_dfa_max_issue_rate, locked_states_num): Delete.
10147 (struct automaton): Add locked_states field.
10148 (output_dead_lock_vect): Save number of locked states in
10149 automaton->locked_states. If it is zero, don't print anything.
10150 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10151 (output_internal_dead_lock_func): Only test the dead_lock_vect
10152 for automata that have locked states.
10153 (output_statistics): Always print the number of locked states for
10154 each automaton. Calculate total number of locked states here.
10155 (write_automata): Don't call output_dfa_max_issue_rate.
10156 * genattrtab.c: Define length_unit_log as a const variable.
10157 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10158 max_insn_queue_index const.
10159 * final.c (length_unit_log): Declare const.
10160 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10162 2006-01-22 Zack Weinberg <zackw@panix.com>
10164 * genautomata.c: Include vec.h, not varray.h.
10165 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10166 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10167 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10168 VEC_* macros operating on appropriately typed vectors, or to
10169 malloced arrays when the size is known in advance. Const-ify
10170 many char* variables and function arguments. No functional changes.
10171 * Makefile.in (build/varray.o): Delete rule.
10172 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10173 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10175 2006-01-22 Zack Weinberg <zackw@panix.com>
10177 * gensupport.c: Define get_insn_name and record_insn_name here.
10178 (read_md_rtx): Call record_insn_name as appropriate.
10179 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10180 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10181 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10183 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10184 (BUILD_VARRAY): Delete.
10185 (genprognormal): Rename genprogmd. Fold in all programs from
10186 genprognoprint; also attrtab.
10187 (build/genattrtab): Just mention genautomata.o and varray.o.
10188 Reorganize a bit, add comments to make the categories clearer.
10190 2006-01-22 Zack Weinberg <zackw@panix.com>
10192 * genconditions.c (condition_table, add_condition): Delete.
10193 (write_conditions): Don't emit n_insn_conditions nor
10194 insn_elision_unavailable. Issue the gcc version #ifdef here,
10195 inside the table, with no #else clause ...
10196 (write_header): ...not here.
10197 (write_writer): New function.
10198 (main): Don't initialize condition_table. Use add_c_test.
10200 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10201 files on the command line.
10202 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10203 Return -1 if there is no entry in the table, don't abort.
10204 (add_c_test, traverse_c_tests): New functions.
10205 * gensupport.h (insn_elision_unavailable, insn_conditions)
10206 (n_insn_conditions): Delete declarations.
10207 (add_c_test, traverse_c_tests): Declare.
10208 * read-rtl.c: Include gensupport.h.
10209 (read_conditions): New function.
10210 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10211 (read_rtx_1): If we get EOF when we were looking for an initial
10212 open paren, return 0. Call read_conditions when appropriate.
10213 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10214 dummy-conditions.o. Eliminate references to insn-conditions.o,
10215 or change them to build/gencondmd.o, as appropriate. Remove
10216 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10217 from $(simple_generated_c). For all files remaining in those
10218 two lists, add insn-conditions.md to the generator command line.
10219 Give insn-constants.h/s-constants their own rules. Add rules
10220 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10221 (build/read-rtl.o): Depend on gensupport.h.
10222 (genprognormal): Include preds.
10223 (genprogearly): Rename genprognoprint; only difference is now that
10224 they don't link with $(BUILD_PRINT).
10225 * dummy-conditions.c: Delete.
10227 2006-01-22 Zack Weinberg <zackw@panix.com>
10229 * genextract.c: Don't include insn-config.h. Do include vec.h.
10230 Declare vectors of int, char, and locstr.
10231 (locstr): New typedef.
10232 (struct extraction): Make all array fields into bare pointers.
10233 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10234 (insn_code_number): Delete.
10235 (accum_extract): New struct.
10236 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10237 (gen_insn): Take insn_code_number as an argument. Use an
10238 accum_extract structure instead of loading data directly into
10239 a struct extraction, and having to know how big it might get.
10240 (walk_rtx): Operate entirely on an accum_extract structure.
10241 (print_path): Avoid unnecessary use of printf.
10242 (print_header): New function, split out of main. Distinguish
10243 more carefully between an unrecognizable insn and an insn that
10244 has the code number of a define_expand.
10245 (main): Pass insn_code_number to gen_insn. Call print_header
10246 only after parsing. Avoid unnecessary use of printf.
10247 * Makefile.in (build/vec.o): New rule.
10248 (build/genextract): Depend on build/vec.o.
10249 (build/genextract.o): Don't depend on insn-config.h.
10251 2006-01-22 Zack Weinberg <zackw@panix.com>
10253 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10254 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10255 practical. Eliminate per-generator-program link rules.
10257 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10259 PR middle-end/24437
10260 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10261 with a call expr to ...
10262 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10264 2006-01-23 Richard Guenther <rguenther@suse.de>
10266 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10267 before make_edge with conditional EDGE_TRUE_VALUE.
10269 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10270 Jan Hubicka <jh@suse.cz>
10271 Richard Guenther <rguenther@suse.de>
10273 PR rtl-optimization/25654
10274 * cfgexpand.c (aggregate_contains_union_type): New function.
10275 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10276 for structure variables that contain a union type.
10278 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10280 * gengtype.c (new_structure): Return the structure.
10281 (create_option): Add an extra "next" argument.
10282 (create_field): New function.
10283 (adjust_field_rtx_def): Use create_option and create_field.
10284 Remove a now-unnecessary call to find_structure.
10285 (adjust_field_tree_def): Likewise.
10286 (note_yacc_type): Remove an unnecessary call to find_structure.
10287 * gengtype.h (new_structure): Return the structure.
10288 (create_option): Add an extra argument.
10289 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10290 (option): Adjust calls to create_option.
10292 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10294 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10296 2006-01-22 Paul Brook <paul@codesourcery.com>
10297 Peter Barada <peter@the-baradas.com>
10299 * config/m68k/m68k.md: Add Coldfire FPU support.
10300 Define FP mode macro and associated attributes.
10301 Use it for float mode patterns.
10302 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10303 (LIBCALL_VALUE): Use m68k_libcall_value.
10304 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10305 (m68k_function_value): Ditto.
10306 (emit_move_sequence): Ditto.
10307 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10308 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10309 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10310 (MULTILIB_EXCEPTIONS): Ditto.
10311 * config/m68k/m68k.opt: Add mcfv4e.
10312 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10313 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10314 (m68k_output_function_prologue): Save ColdFire FPU registers.
10315 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10316 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10317 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10318 ColdFire FPU registers.
10319 (m68k_libcall_value, m68k_function_value): New functions.
10320 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10321 (LIBCALL_VALUE): Use m68k_libcall_value.
10322 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10323 (MASK_COLDFIRE): Add MASK_CFV4E.
10324 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10325 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10326 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10327 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10328 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10329 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10330 * doc/invoke.tex: Document -mcfv4e on m68k.
10332 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10334 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10337 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10340 * c-opts.c (c_common_handle_option): Don't include
10341 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10342 * doc/invoke.texi (C++ Dialect Options): Document that
10343 -Wnon-virtual-dtor is no longer included in -Wall.
10345 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10347 * gcov.c (print_version), gcov-dump.c (print_version),
10348 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10351 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10353 * df-scan.c (problem_SCAN): Added NULL reset function.
10354 (df_scan_reset_blocks): Added code to call reset block function
10355 (df_bb_refs_delete) Fixed comment.
10356 (df_insn_refs_delete): Made tolerant of deleting non existent info
10357 for dataflow problems that need to be reset.
10358 * df-core.c (df_set_blocks): Ditto.
10359 * df.h (struct df_problem): Added reset_fun.
10360 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10361 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10362 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10363 functions to clear out all references to def-use or use-def chains.
10365 2006-01-21 Ben Elliston <bje@au.ibm.com>
10367 * varasm.c (assemble_real): Initialise data array.
10369 2006-01-20 Paul Brook <paul@codesourcery.com>
10371 Merge from csl-arm-branch.
10372 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10373 * config/arm/arm.md (movdi): Force operands[1] to a register
10374 if we have a non-register source.
10375 (*arm_movdi, *movdf_soft_insn): Require that one of the
10376 operands be a register.
10377 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10378 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10380 2006-01-20 DJ Delorie <dj@redhat.com>
10382 * varasm.c (initializer_constant_valid_p): Allow pointers
10383 initialized from integer constants of lesser precision.
10384 (output_constant): Allow non-int-sized pointer modes to be
10385 initialized from integer constants.
10387 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10390 * cppdefault.h (struct default_include): Add multilib flag.
10391 * cppdefault.c (cpp_include_defaults): Set it.
10392 * c.opt (-imultilib): New option.
10393 * c-opts.c (imultilib): New.
10394 (c_common_handle_option): Handle -imultilib.
10395 (c_common_post_options): Likewise.
10396 * c-incpath.c (add_standard_paths, register_include_chains):
10398 * c-incpath.h (register_include_chains): Add extra parameter.
10399 * gcc.c (do_spec_1): Generate -imultilib option.
10400 (The Specs Language): Update %I description.
10401 (process_command): Update copyright notice.
10402 * doc/cppopts.texi (-imultilib): Document.
10403 * doc/invoke.texi (-imultilib): Include in option summary.
10404 (%I): Update specs documentation.
10406 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10408 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10410 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10412 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10415 2006-01-20 Richard Guenther <rguenther@suse.de>
10416 Steven Bosscher <stevenb.gcc@gmail.com>
10418 PR rtl-optimization/24626
10419 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10420 EDGE_TRUE_VALUE if in RTL mode.
10423 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10424 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10426 2006-01-20 Dirk Mueller <dmueller@suse.com>
10429 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10430 instead of a special NOP marker.
10431 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10432 NOP marker handling.
10433 * c-common.h (empty_body_warning): Add forward declaration.
10434 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10435 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10437 2006-01-20 Paul Brook <paul@codesourcery.com>
10439 * Makefile.in (lang_checks): Keep going if mkdir fails.
10441 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10443 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10444 be able to clean out basic block when not necessary.
10445 (df_scan_free): Fixed to properly delete information if df is
10446 unused before calling df_finish.
10447 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10448 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10450 (df_bb_refs_delete): New function.
10451 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10452 * df-core.c (df_set_blocks): Added code to properly clean out
10453 unused blocks if they are not part of the blocks to consider.
10454 Added additional null check.
10455 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10456 be able to clean out basic block when not necessary
10457 * df.h (df_free_bb_function): Ditto.
10458 (df_bb_refs_delete): New function.
10459 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10460 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10461 basic block parameter to be able to clean out basic block when not
10463 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10464 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10465 Fixed to properly delete information if df is unused before
10468 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10470 PR rtl-optimization/25799
10471 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10472 Corrected confluence operator to remove bits from op2 before oring
10473 with op1 rather than removing bits from op1.
10474 (df_ru_transfer_function): Corrected test on wrong bitmap which
10475 caused infinite loop. Both of these problems were introduced in
10476 the dataflow rewrite.
10478 2006-01-19 DJ Delorie <dj@redhat.com>
10480 * reload1.c (find_reload_regs): Note the details of reload
10481 failures in the dump file.
10482 (spill_failure): Likewise.
10484 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10486 * loop-iv.c: Include df.h and hashtab.h.
10487 (enum iv_grd_result): New enum.
10488 (DF_REF_IV, DF_REF_IV_SET): New macros.
10489 (struct biv_entry): New.
10490 (df, bivs): New global variables.
10491 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10492 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10494 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10495 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10496 analyzed_for_bivness_p, record_biv): New functions.
10497 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10498 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10499 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10501 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10503 (iv_number_of_iterations): Use new interface to iv analysis.
10504 * loop-unroll.c: Do not include varray.h.
10505 (analyze_iv_to_split_insn): Use new interface to iv
10507 * loop-unswitch.c (may_unswitch_on): Ditto.
10508 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10510 (df_bb_modify): Realloc tables to the new index.
10511 (df_find_use): New function.
10512 * df.h (df_find_use): Declare.
10513 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10515 * cfgloop.h (struct rtx_iv): Remove analysed field.
10516 (iv_get_reaching_def): Removed.
10517 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10518 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10519 (loop-iv.o): Add df.h and hashtab.h dependency.
10520 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10522 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10525 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10527 (__floatundisf, __floatundidf): Likewise.
10528 * libgcc2.h (IS_IBM_EXTENDED): Define.
10530 2006-01-19 DJ Delorie <dj@redhat.com>
10532 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10534 2006-01-19 Paul Brook <paul@codesourcery.com>
10536 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10537 as nothrow when unwinding tables are disabled.
10539 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10542 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10543 of bit-field" when in system header.
10545 2006-01-19 DJ Delorie <dj@redhat.com>
10547 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10548 the 16 bit shift limit of the m16c.
10550 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10553 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10554 * config/i386/i386.c (output_set_got): Output the label if we have one
10555 for the TARGET_DEEP_BRANCH_PREDICTION case.
10557 2006-01-19 Jan Hubicka <jh@suse.cz>
10558 H.J. Lu <hongjiu.lu@intel.com>
10559 Evandro Menezes <evandro.menezes@amd.com>
10561 * invoke.texi (generic): Document
10563 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10564 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10565 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10566 (x86_use_incdec, x86_pad_returns): New variables
10567 (TARGET_CPU_DEFAULT_generic): New constant
10568 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10569 (enum processor_type): Add generic32 and generic64.
10570 * i386.md (cpu attribute): Add generic32/generic64
10571 (movhi splitter): Behave sanely when both partial_reg_dependency and
10572 partial_reg_stall are set.
10573 (K8 splitters): Enable for generic as well.
10574 * predicates.md (incdec_operand): Use TARGET_INCDEC
10575 (aligned_operand): Avoid memory mismatch stalls.
10576 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10577 * ppro.md: Enable for generic32
10578 * i386.c (generic64_cost, generic32_cost): New.
10579 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10580 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10581 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10582 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10583 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10584 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10585 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10586 x86_accumulate_outgoing_args, x86_prologue_using_move,
10587 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10588 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10589 Enable for generic.
10590 (x86_use_incdec, x86_pad_returns): New.
10591 (override_options): Add generic32 and generic64, translate "generic"
10592 to generic32/generic64 and "i686" to "generic32", refuse
10593 "generic32"/"generic64" as arch target.
10594 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10595 (ix86_reorg): Honor PAD_RETURNS.
10597 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10599 * tree-pretty-print.c (dump_generic_node): Handle
10600 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10601 * cgraph.c (cgraph_expand_queue): Rename from
10602 cgraph_analyze_queue. Update all users.
10603 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10604 cgraph_expand_queue.
10605 (cgraph_expand_all_functions): Likewise.
10606 (cgraph_finalize_pending_functions): Remove. Update callers.
10608 * tree.h (OMP_DIRECTIVE_P): Define.
10609 (OMP_PARALLEL_FN): Define.
10610 (OMP_PARALLEL_DATA_ARG): Define.
10611 (OMP_SECTIONS_SECTIONS): Define.
10612 * tree-pass.h (pass_expand_omp): Declare.
10613 * omp-low.c (struct omp_region): Declare.
10614 (struct omp_context): Remove fields 'parallel_type',
10615 'parallel_start_ix' and 'parallel_start_additional_args'.
10617 (struct omp_for_data): Rename from struct expand_omp_for_data.
10618 (omp_regions): New static variable.
10619 (root_omp_region): New static variable.
10620 (find_omp_clause): Make static.
10621 (is_in_combined_parallel_ctx): Remove.
10622 (is_combined_parallel): New.
10623 (extract_omp_for_data): Move earlier in the file.
10624 (workshare_safe_to_combine_p): New.
10625 (get_ws_args_for): New.
10626 (determine_parallel_type): Move earlier in the file.
10627 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10629 (omp_copy_decl): Likewise.
10630 (create_omp_child_function): Likewise.
10631 (lookup_omp_region): New.
10632 (dump_omp_region): New.
10633 (debug_omp_region): New.
10634 (debug_all_omp_regions): New.
10635 (new_omp_region): New.
10636 (scan_omp_parallel): If parallel_nesting_level > 1, the
10637 directive is nested within another parallel directive.
10638 Set OMP_PARALLEL_FN.
10639 (scan_omp_for): Do not try to handle combined parallel+for
10641 Remove FIXME comment.
10642 (scan_omp_nested): Remove.
10643 (scan_omp_1): Do not call scan_omp_nested when
10644 parallel_nesting_level is > 1.
10645 Do not change the DECL_CONTEXT of local variables found.
10646 (lookup_decl_in_outer_ctx): New.
10647 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10648 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10649 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10650 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10651 If CTX is nested, lookup VAR in the outer context when
10652 building copy assignment.
10653 (lower_send_clauses): Rename from expand_send_clauses.
10654 If CTX is nested, lookup VAR in the outer context when
10655 building copy assignments.
10656 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10657 If CTX is nested, lookup VAR in the outer context when
10658 building copy assignments.
10659 (expand_parallel_call): Rename from build_parallel_call.
10660 Handle combined parallel+workshare cases.
10661 Re-implement to emit code into the CFG.
10663 (expand_omp_parallel): Re-implement to emit code into the CFG.
10664 Call move_sese_region_to_fn to outline the sub-graph
10665 containing the parallel region.
10666 (expand_omp_for_1): Remove.
10667 (expand_omp_for_generic): Re-implement to emit code into the
10669 (expand_omp_for_static_nochunk): Likewise.
10670 (expand_omp_for_static_chunk): Likewise.
10671 (expand_omp_for): Likewise.
10672 (expand_omp_sections): Likewise.
10673 (remove_exit_barriers): New.
10674 (expand_omp_synch): New.
10676 (build_omp_regions_1): New.
10677 (build_omp_regions): New.
10678 (execute_expand_omp): New.
10679 (gate_expand_omp): New.
10680 (pass_expand_omp): Define.
10681 (lower_omp_sections): Rename from expand_omp_sections.
10682 Set OMP_SECTIONS_SECTIONS.
10683 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10684 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10685 (lower_omp_single): Rename from expand_omp_simple.
10686 (lower_omp_master): Rename from expand_omp_master.
10687 (lower_omp_ordered): Rename from expand_omp_ordered.
10688 (lower_omp_critical): Rename from expand_omp_critical.
10689 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10690 (lower_omp_for): Re-implement.
10691 (lower_omp_parallel): Re-implement.
10692 (lower_regimplify): Rename from expand_regimplify.
10693 (lower_omp_1): Rename from expand_omp_1.
10694 If there are syntax errors in the program, replace every
10695 OpenMP directive with NOP.
10696 Call lower_omp_* instead of expand_omp_*.
10697 (lower_omp): Rename from expand_omp.
10699 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10700 * tree-gimple.h (enum omp_parallel_type): Remove.
10701 (gimple_boolify): Declare extern.
10702 (find_omp_clause, determine_parallel_type): Remove.
10704 * gimple-low.c (lower_omp_directive): New.
10705 (lower_stmt): Call it.
10706 (record_vars_into): Move from ...
10707 (record_vars): ... here.
10708 Call record_vars_into with current_function_decl.
10710 * gimplify.c (struct gimplify_ctx): Remove fields
10711 combined_pre_p and combined_ctxp. Update users.
10712 (get_formal_tmp_var): Add documentation.
10713 (gimple_boolify): Make extern.
10714 (gimplify_expr_in_ctx): Remove. Update callers.
10715 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10716 will always be a BIND_EXPR.
10717 (gimplify_expr): Handle OMP_RETURN_EXPR.
10718 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10719 (OMP_PARALLEL): Add 3 operands.
10720 (OMP_SECTIONS): Add 1 operand.
10721 (OMP_RETURN_EXPR): Define.
10723 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10724 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10725 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10726 creating a circular free list.
10727 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10729 * tree-flow.h (move_sese_region_to_fn): Declare.
10730 (record_vars_into): Declare.
10731 * tree-cfg.c (make_omp_sections_edges): New.
10732 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10733 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10734 OMP_SECTIONS and OMP_SECTION.
10735 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10736 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10737 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10738 (gather_blocks_in_sese_region): New.
10739 (struct move_stmt_d): Declare.
10740 (move_stmt_r): New.
10741 (move_block_to_fn): New.
10742 (move_sese_region_to_fn): New.
10744 * passes.c (init_optimization_passes): Schedule
10745 pass_expand_omp after pass_init_datastructures.
10747 * tree-ssa-operands.c (get_expr_operands): Handle
10748 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10749 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10751 2006-01-19 Jeff Law <law@redhat.com>
10753 * tree-vrp.c (extract_range_from_assert): Refine the result range
10754 if the variable referenced by the ASSERT_EXPR has a range and
10755 either the tentative result range or the previous range is a
10758 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10760 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10762 2006-01-19 Jan Hubicka <jh@suse.cz>
10764 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10766 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10768 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10769 (expand_compound_operation, expand_field_assignment): Fail if the
10770 bit lengths of an extract operation are out of range.
10771 (make_extraction): Compute wanted_inner_mode based on the position
10772 and length of the extraction. Make it extraction_mode for non-constant
10773 positions, and do not modify offset in that case. When generating a
10774 new MEM, use a mode that can hold the extraction while keeping correct
10775 alignment. Remove code that supported MEMs wrapped by USEs.
10776 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10778 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10780 * config/s390/s390.md ("Y", "y"): New mode attribute.
10781 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10782 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10783 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10784 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10785 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10786 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10787 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10788 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10789 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10790 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10791 "addsi3", "subsi3"): Insn patterns removed.
10792 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10793 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10794 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10795 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10796 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10797 "*sub<mode>3_cconly2"): New insn patterns.
10798 ("addsi3", "subsi3"): New expanders.
10800 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10802 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10803 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10804 existing STMT_VINFO_VECTYPE if available.
10805 (vect_mark_relevant): Add special handling for stmts that are
10806 marked as STMT_VINFO_IN_PATTERN_P.
10807 (vect_analyze_loop): Call vect_pattern_recog.
10808 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10809 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10811 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10812 (vect_recog_func_ptr): New function-pointer type.
10813 * tree-vect-patterns.c: New file.
10814 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10815 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10816 (vect_pattern_recog_1): New functions.
10817 (vect_pattern_recog_funcs): New array of function pointers.
10819 * tree-vectorizer.h (ternary_op): New enum value.
10820 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10821 declaration. Revised documentation. Removed redundant dump prints.
10822 Removed redundant argument. Added support for reduction patterns.
10823 (vectorizable_reduction): Added support for reduction patterns.
10824 (vect_transform_stmt): Added support for patterns.
10826 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10827 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10828 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10829 (expand_widen_pattern_expr): New function.
10830 (init_optabs): Initialize new optabs udot_prod_optab,
10832 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10833 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10834 (expand_widen_pattern_expr): New function declaration.
10835 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10837 * tree-inline.c (estimate_num_insns_1): Added cases for new
10838 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10839 * tree-pretty-print.c (dump_generic_node): Likewise.
10840 (op_prio): Likewise.
10841 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10842 * tree-ssa-operands.c (get_expr_operands): Added case for
10844 * tree-vect-patterns.c (widened_name_p): New function.
10845 (vect_recog_dot_prod_pattern): Added function implementation.
10846 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10847 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10848 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10849 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10851 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10852 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10853 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10854 (init_optabs): Initialize new optabs widen_ssum_optab,
10856 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10857 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10858 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10859 use instead of type of def.
10860 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10861 function implementation.
10862 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10863 widen_ssumv8hi): New.
10865 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10868 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10871 * c-decl.c (add_flexible_array_elts_to_size): New function.
10872 (finish_decl): Use it.
10874 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10876 * diagnostic.h: Include options.h.
10877 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10878 dependancies for diagnostic.h.
10879 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10881 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10883 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10884 (ssa_ro_call_cache_valid): Ditto.
10885 * tree-ssa-alias.c (sort_tags_by_id): New function.
10886 (init_transitive_clobber_worklist): Ditto.
10887 (add_to_worklist): Ditto.
10888 (mark_aliases_call_clobbered): Ditto.
10889 (compute_tag_properties): Ditto.
10890 (set_initial_properties): Ditto.
10891 (compute_call_clobbered): Ditto.
10892 (compute_may_aliases): Call compute_call_clobbered and grouping.
10893 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10894 (compute_flow_insensitive_aliasing): Grouping now happens in our
10896 (setup_pointers_and_addressables): Remove clobbering related code.
10897 (add_may_alias): Ditto.
10898 (replace_may_alias): Ditto.
10899 (get_nmt_for): Ditto.
10900 (create_global_var):
10901 (is_escape_site): Return an escape_type enumeration.
10902 * tree-flow-inline.h (is_call_clobbered): Global var does not
10903 imply call clobbered.
10904 (mark_call_clobbered): Take a reason for marking this. Remove
10905 marking of globalness, and cache invalidation.
10906 (clear_call_clobbered): Remove cache invalidation code.
10907 * tree-dfa.c (dump_variable): If details is on, dump the reason
10909 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10911 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10912 (struct var_ann_d): Ditto.
10913 (enum escape_type): New.
10914 (mark_call_clobbered): Adjust prototype.
10915 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10916 are never call clobbered.
10917 Record reasons for escaping.
10918 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10919 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10920 (ssa_ro_call_cache_valid): Ditto.
10921 (clobbered_v_may_defs): Ditto.
10922 (clobbered_vuses): Ditto.
10923 (ro_call_vuses): Ditto.
10924 (clobber_stats): New.
10925 (init_ssa_operands): Zero out clobber stats.
10926 (fini_ssa_operands): Print out clobber stats.
10927 (get_call_expr_operands): Pass callee fndecl to
10928 add_call_read_ops).
10929 (add_call_clobber_ops): Remove use of cache.
10930 Add use of PURE_CONST information.
10931 (add_call_read_ops): Remove use of cache.
10932 Add use of static not_read information.
10934 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10936 Introduce TLS descriptors for i386 and x86_64.
10937 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10938 (TARGET_ANY_GNU_TLS): New macro.
10939 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10940 (struct machine_function): Add tls_descriptor_call_expanded_p.
10941 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10942 (ix86_current_function_calls_tls_descriptor): Likewise.
10943 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10944 (override_options): Introduce gnu2 tls dialect.
10945 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10947 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10949 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10950 (ix86_init_machine_status): Initialize new field.
10951 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10952 (ix86_tls_module_base): New.
10953 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10954 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10955 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10956 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10957 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10958 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10959 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10960 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10961 * config/i386/predicates.md (tls_modbase_operand): New.
10962 (tp_or_register_operand): New.
10964 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10966 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10967 (look_for_address_of): Ditto.
10968 (ipa_init): Walk the function decls.
10969 (static_execute): Don't set readonly on FUNCTION_DECL's.
10971 2006-01-18 Roger Sayle <roger@eyesopen.com>
10973 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10974 for shifts where the source and destination registers are different.
10976 2006-01-18 Paul Brook <paul@codesourcery.com>
10978 Merge from csl-arm-branch.
10979 2005-03-14 Julian Brown <julian@codesourcery.com>
10980 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10981 (aeabi_llsl): Likewise.
10982 (ashrdi3): Likewise.
10983 (aeabi_lasr): Likewise.
10984 (lshrdi3): Likewise.
10985 (aeabi_llsr): Likewise.
10986 2005-03-10 Julian Brown <julian@codesourcery.com>
10987 * config.gcc: Disable shared libgcc for SymbianOS.
10988 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10990 2006-01-18 DJ Delorie <dj@redhat.com>
10992 * c-pragma.c (handle_pragma_diagnostic): New.
10993 (init_pragma): Register it.
10994 * doc/extend.texi: Document it.
10996 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10997 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10998 (diagnostic_context): Add classify_diagnostic[].
10999 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11000 as errors if they're overridden to DK_WARNING.
11001 (diagnostic_initialize): Initialize classify_diagnostic[].
11002 (diagnostic_set_kind_override): New.
11003 (diagnostic_report_diagnostic): Check for kind changes.
11004 * opts.c (common_handle_option): Take lang_mask. Update callers.
11005 Handle OPT_Werror_.
11006 * common.opt (Werror=): New.
11007 * doc/invoke.texi: Document -Werror=*
11009 2006-01-18 Jeff Law <law@redhat.com>
11011 * tree-vrp.c (test_for_singularity): Correct test for new
11012 min limit. Use operand_equal_p rather than pointer equality
11013 for testing if new min/max values are equal.
11015 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11016 using range information until after propagation and folding.
11018 2006-01-18 Richard Henderson <rth@redhat.com>
11019 Aldy Hernandez <aldyh@redhat.com>
11020 Jakub Jelinek <jakub@redhat.com>
11021 Diego Novillo <dnovillo@redhat.com>
11023 * omp-low.c: New file.
11024 * c-omp.c: New file.
11026 2006-01-18 Richard Henderson <rth@redhat.com>
11027 Jakub Jelinek <jakub@redhat.com>
11028 Diego Novillo <dnovillo@redhat.com>
11030 * doc/invoke.texi: Document -fopenmp.
11031 * tree-dump.h (debug_function): Declare.
11032 * hooks.c (hook_bool_tree_bool_false): New function.
11033 (hook_tree_tree_null): Remove.
11034 (hook_tree_tree_tree_null): New.
11035 * hooks.h: Update to match.
11036 * tree-pretty-print.c (debug_tree_chain): New.
11037 (print_generic_expr): Handle TDF_CHAIN.
11038 (dump_generic_node): Handle BLOCK.
11039 Do not abort with incomplete SWITCH_EXPRs.
11040 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11041 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11042 print space after directive name.
11043 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11044 Handle OMP_MASTER and OMP_ORDERED.
11045 Handle printing of OMP_BODY just in one place, goto
11046 dump_omp_body in the rest of OMP_* nodes that have
11048 Don't handle clause nodes here. Update omp statements to
11049 use dump_omp_clauses.
11050 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11051 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11052 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11053 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11054 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11055 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11056 Adjust output for GOMP_PARALLEL.
11057 (dump_omp_clauses): New.
11058 (print_declaration): Dump DECL_VALUE_EXPR.
11059 (op_symbol_1): Split out of op_symbol.
11060 (dumping_stmts): Remove. Update all users.
11061 * cgraph.c (cgraph_analyze_queue): New.
11062 (cgraph_add_new_function): New.
11063 * cgraph.h (cgraph_analyze_queue): Declare.
11064 (cgraph_add_new_function): Declare.
11065 (cgraph_lower_function): Remove.
11066 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11067 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11068 and TYPE_P nodes in its default clause.
11069 (empty_body_p): New.
11070 (tree_range_check_failed): New.
11071 (build5_stat): New.
11072 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11073 OMP_CLAUSE_REDUCTION_MERGE,
11074 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11075 OMP_CLAUSE_PRIVATE_DEBUG,
11076 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11077 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11078 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11079 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11080 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11081 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11082 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11083 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11084 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11085 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11086 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11087 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11088 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11089 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11090 (TREE_RANGE_CHECK): New.
11091 (empty_body_p): Declare.
11092 (enum omp_clause_default_kind): New.
11093 (build_string_literal): Declare.
11094 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11095 (build5_stat, build5): Declare.
11096 * tree-pass.h (TDF_CHAIN): Define.
11097 * tree-pass.h (PROP_gimple_lomp): Define.
11098 (pass_lower_omp): Declare.
11099 * diagnostic.h (debug_tree_chain): Declare.
11100 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11102 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11103 * builtins.c (build_string_literal): Make extern.
11104 * gcc.c (include_spec_function): New.
11105 (static_spec_functions): Add it.
11106 (main): Move load of libgomp.spec ...
11107 (LINK_COMMAND_SPEC): ... here.
11108 (link_gomp_spec): New.
11109 (static_specs): Include it.
11110 (LINK_COMMAND_SPEC): Add link_gomp.
11111 (GOMP_SELF_SPECS): New.
11112 (driver_self_specs): Include it.
11113 (switch_matches): Don't mark inline.
11114 (main): Load libgomp.spec.
11115 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11116 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11117 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11118 * tree-gimple.h (enum omp_parallel): Declare.
11119 (determine_parallel_type): Declare.
11120 (omp_firstprivatize_variable): Declare.
11121 (omp_reduction_init): Declare.
11122 (diagnose_omp_structured_block_errors): Declare.
11123 (struct walk_stmt_info): Add want_return_expr.
11124 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11125 (find_omp_clause): Declare.
11126 (insert_field_into_struct): Declare.
11127 (struct walk_stmt_info): Move from tree-nested.c
11128 (walk_stmts): Declare.
11129 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11131 * cgraphunit.c (cgraph_lower_function): Make static.
11132 (cgraph_finalize_pending_functions): New.
11133 (cgraph_finalize_function): Call it.
11134 (cgraph_finalize_compilation_unit): Likewise.
11135 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11136 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11137 (BT_FN_UINT_UINT): New.
11138 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11139 DEF_FUNCTION_TYPE_VAR_4): Document.
11140 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11141 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11142 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11143 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11144 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11145 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11146 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11147 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11148 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11149 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11150 into separate files.
11151 (DEF_GOMP_BUILTIN): New.
11152 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11153 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11154 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11155 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11156 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11157 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11158 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11159 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11160 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11161 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11162 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11163 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11164 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11165 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11166 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11167 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11168 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11169 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11170 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11171 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11172 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11173 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11174 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11175 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11176 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11177 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11178 * sync-builtins.def: New file, moved from builtins.def.
11179 * omp-builtins.def: New file, moved from builtins.def.
11180 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11181 * gimple-low.c (lower_function_body): Clear data.
11182 (lower_stmt): Do not handle COMPOUND_EXPR.
11183 Remove call to print_node_brief.
11184 * c-tree.h (c_finish_omp_clauses): New prototype.
11185 (C_DECL_THREADPRIVATE_P): Define.
11186 (lookup_name_no_remap, c_omp_remap_private): Remove
11187 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11188 (check_for_loop_decls): Update decl.
11189 (lookup_name_no_remap, c_omp_remap_private): Declare.
11190 (build_indirect_ref, build_modify_expr, pushdecl,
11191 pushdecl_top_level): Move to c-common.h.
11192 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11193 before the switch, but just in the 2 places that need it.
11194 * c-decl.c (diagnose_mismatched_decls): Do not check for
11195 mismatched thread-local attributes when OLDDECL is marked
11196 threadprivate and NEWDECL has no thread-local attributes.
11197 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11198 (c_gimple_diagnostics_recursively): Rename from
11199 c_warn_unused_result_recursively. Invoke
11200 diagnose_omp_structured_block_errors.
11201 (check_for_loop_decls): Return a singular decl found.
11202 * langhooks.c (lhd_omp_predetermined_sharing): Return
11203 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11204 (lhd_omp_firstprivatize_type_sizes): New.
11205 (lhd_omp_assignment): New.
11206 (lhd_omp_predetermined_sharing): New.
11207 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11208 (struct lang_hooks_for_types): Add
11209 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11210 omp_predetermined_sharing, omp_disregard_value_expr,
11211 omp_private_debug_clause, omp_clause_default_ctor,
11212 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11213 (c_finish_omp_clauses): New.
11214 (c_finish_bc_stmt): Diagnose break within omp for.
11215 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11216 (build_unary_op): Return error_mark after reporting
11218 (build_modify_expr): Likewise.
11219 * gimplify.c: Include optabs.h and pointer-set.h.
11220 (enum gimplify_omp_var_data): Declare.
11221 (struct gimplify_omp_ctx): Declare.
11222 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11224 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11225 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11226 (splay_tree_compare_decl_uid): New.
11227 (new_omp_context): New.
11228 (delete_omp_context): New.
11229 (gimple_add_tmp_var): Call omp_add_variable.
11230 (gimplify_bind_expr): Likewise.
11231 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11232 true, disregard DECL_VALUE_EXPR on the decl if any.
11233 (gimplify_expr_in_ctx): New.
11234 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11235 omp_add_variable, omp_notice_variable, omp_is_private
11236 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11237 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11238 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11239 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11240 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11241 gimplify_omp_atomic): New.
11242 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11243 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11244 OMP_CRITICAL and OMP_ATOMIC.
11245 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11246 * c-pragma.h (enum pragma_kind): Add
11247 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11248 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11249 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11250 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11251 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11252 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11253 PRAGMA_OMP_THREADPRIVATE.
11254 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11255 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11256 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11257 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11258 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11259 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11260 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11261 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11262 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11263 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11264 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11265 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11266 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11268 (struct nesting_info): Add field_map,
11269 suppress_expansion, debug_var_chain.
11270 (create_nesting_tree): Initialize them.
11271 (lookup_field_for_decl): Use field_map.
11272 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11273 (convert_local_omp_clauses): New.
11274 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11275 (walk_body): Split out of walk_function.
11276 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11277 (convert_nonlocal_reference): Handle omp statements.
11278 (convert_local_reference): Likewise.
11279 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11280 (unnest_nesting_tree): New.
11281 (lower_nested_functions): Call it.
11282 (insert_field_into_struct): Make extern.
11283 (struct walk_stmt_info): Move to tree-gimple.h.
11284 (walk_stmts): Make extern.
11285 * omp-builtins.def: New file.
11286 * tree-iterator.c (expr_only): Clarify comment.
11287 * c-common.h (pushdecl_top_level, pushdecl,
11288 build_modify_expr, build_indirect_ref,
11289 c_finish_omp_master, c_finish_omp_critical,
11290 c_finish_omp_ordered, c_finish_omp_barrier,
11291 c_finish_omp_atomic, c_finish_omp_flush,
11292 c_finish_omp_for, c_split_parallel_clauses,
11293 omp_clause_default_kind, c_omp_sharing_predetermined,
11294 c_omp_remap_decl): Declare.
11295 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11296 (OBJS-common): Add omp-low.o.
11297 (c-omp.o, omp-low.o): Add.
11298 (gimplify.o): Add dependency on $(OPTABS_H).
11299 (GTFILES): Add omp-low.c.
11300 (gt-stringpool.h): Add.
11301 * tree-cfg.c (set_bb_for_stmt): Do not update the
11302 block-to-labels map if we are currently expanding to RTL.
11303 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11305 Handle IDENTIFIER_NODE.
11306 (tree_verify_flow_info): Do not ICE when emitting error
11307 messages about invalid labels.
11308 (dump_function_to_file): Reset CFUN before emitting the body
11310 (debug_function): New.
11311 * passes.c (init_optimization_passes): Schedule
11313 * langhooks-def.h (lhd_omp_predetermined_sharing,
11314 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11316 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11317 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11318 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11319 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11320 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11321 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11322 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11323 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11324 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11325 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11326 (LANG_HOOK_DECLS): Use them.
11328 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11329 Richard Henderson <rth@redhat.com>
11330 Jakub Jelinek <jakub@redhat.com>
11331 Diego Novillo <dnovillo@redhat.com>
11333 * c-parser.c (pragma_omp_clause): Define.
11334 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11335 (c_parser_compound_statement): Likewise.
11336 (c_parser_statement): Likewise.
11337 (c_parser_pragma): Handle omp pragmas.
11338 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11339 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11340 (c_parser_omp_clause_name, check_no_duplicate_clause,
11341 c_parser_omp_variable_list,
11342 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11343 c_parser_omp_clause_copyprivate,
11344 c_parser_omp_clause_default,
11345 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11346 c_parser_omp_clause_lastprivate,
11347 c_parser_omp_clause_nowait,
11348 c_parser_omp_clause_num_threads,
11349 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11350 c_parser_omp_clause_reduction,
11351 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11352 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11353 c_parser_omp_atomic, c_parser_omp_barrier,
11354 c_parser_omp_critical, c_parser_omp_flush,
11355 c_parser_omp_for_loop, c_parser_omp_for,
11356 c_parser_omp_master, c_parser_omp_ordered,
11357 c_parser_omp_sections_scope, c_parser_omp_sections,
11358 c_parser_omp_parallel, c_parser_omp_single,
11359 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11360 * c-pragma.c (init_pragma): Do omp pragma registration here.
11361 * c.opt (fopenmp): New flag.
11363 2006-01-18 Eric Christopher <echristo@apple.com>
11365 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11366 * config/darwin.h (GOMP_SELF_SPECS): Define.
11368 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11370 * rtl.h: Remove the prototype for reg_alloc.
11372 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11375 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11376 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11377 sjlj and dwarf2 exception handling.
11378 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11379 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11380 * pa/pa.c (function_value): Treat complex and vector types as
11382 (function_arg): Likewise. Only pass scalar floats in the floating
11383 point argument registers.
11384 * pa/t-slibgcc-dwarf-ver: New file.
11385 * pa/t-slibgcc-sjlj-ver: New file.
11386 * pa/t-slibgcc-elf-ver: Delete file.
11388 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11390 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11391 unlikely_test_section_p test.
11393 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11395 * mode-switching.c (optimize_mode_switching): Make it static.
11396 * basic-block.h: Remove the prototype for
11397 optimize_mode_switching.
11399 * modulo-sched.c (sms_schedule): Make it static.
11400 * rtl.h: Remove the prototype for sms_schedule.
11402 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11403 * rtl.h: Remove the prototype for gcse_after_reload_main.
11405 * reg-stack.c (reg_to_stack): Make it static.
11406 * rtl.h: Remove the prototype for reg_to_stack.
11408 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11410 * rtl.h: Remove the prototypes for regrename_optimize and
11411 copyprop_hardreg_forward.
11413 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11415 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11416 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11417 Test against the appropriate null constant for the mode.
11418 If 'fixup_overlap' is true, swap the operands if they overlap.
11419 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11420 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11421 alpha_split_tmode_pair and adjust for above change.
11422 * config/alpha/alpha.md (movtf_internal): Adjust call to
11423 alpha_split_tfmode_pair and rely on it to swap the operands.
11424 (movti_internal): New insn and post-reload splitter.
11425 (movti): New expander.
11427 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11429 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11432 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11434 * rtlanal.c (global_reg_mentioned_p_1,
11435 global_reg_mentioned_p): Remove.
11436 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11438 * flow.c (initialize_uninitialized_subregs): Make it static.
11439 * rtl.h: Remove the prototype for
11440 initialize_uninitialized_subregs.
11442 * function.c (instantiate_virtual_regs): Make it static.
11443 * function.h: Remove the prototype for
11444 instantiate_virtual_regs.
11446 * regmove.c (regmove_optimize, combine_stack_adjustments):
11448 * rtl.h: Remove the prototypes for regmove_optimize and
11449 combine_stack_adjustments.
11451 2006-01-17 Roger Sayle <roger@eyesopen.com>
11453 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11454 (size_cost): Encode costs in bytes so that a reg-reg addition is
11455 equivalent to COSTS_N_INSNS(1).
11456 (override_options): Use the size_cost.branch_cost as the default
11457 ix86_branch_cost when optimizing for size.
11459 2006-01-18 Ben Elliston <bje@au.ibm.com>
11461 * Makefile.in (D32PBIT_FUNCS): New.
11462 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11463 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11464 D64PBIT_FUNCS and D128PBIT_FUNCS.
11465 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11466 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11468 (decnumber_dep): Define.
11469 * doc/libgcc.texi (Decimal float library routines): New node.
11470 * config/dfp-bit.h, config/dfp-bit.c: New files.
11472 2006-01-18 Ben Elliston <bje@au.ibm.com>
11474 * expr.c (emit_move_change_mode): Always adjust addresses, not
11475 just during reload. Copy replacements only during reload.
11476 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11477 emit_move_via_integer.
11479 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11481 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11482 instead of $(srcdir) and ${srcdir}.
11484 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11487 PR middle-end/11135
11488 * arm.h (struct machine_function): Add pic_reg.
11489 * arm.c (arm_pic_register): Make unsigned.
11490 (arm_override_options): Only set arm_pic_register if
11491 TARGET_SINGLE_PIC_BASE.
11492 (use_return_insn): Only test for a pic register if it is fixed.
11493 (arm_compute_save_reg0_reg12_mask): Likewise.
11494 (thumb_compute_save_reg_mask): Likewise.
11495 (legitimate_pic_operand): Factor out some known invariants.
11496 (legitimize_pic_address): If we don't have a fixed pic register,
11497 then set up a pseudo in the function entry sequence. Handle the
11498 pic base being in a pseudo.
11499 (arm_load_pic_register): Handle the pic register being in a pseudo.
11500 (arm_expand_prologue): Only set up the pic register if it is fixed.
11501 (thumb_expand_prologue): Likewise.
11502 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11503 (pic_load_addr_based_insn): Likewise.
11504 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11507 2006-01-18 Ben Elliston <bje@au.ibm.com>
11509 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11510 decimal float modes for all floating point registers.
11512 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11513 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11515 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11518 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11519 even when the pointer is not NULL.
11521 2006-01-16 Ian Lance Taylor <ian@airs.com>
11523 * common.opt (ftoplevel-reorder): New option.
11524 * cgraph.c (cgraph_asm_nodes): New global variable.
11525 (cgraph_asm_last_node): New static variable.
11526 (cgraph_order): New global variable.
11527 (cgraph_create_node): Set new order field.
11528 (cgraph_varpool_node): Likewise.
11529 (decide_is_variable_needed): Return true if not
11530 flag_toplevel_reorder.
11531 (cgraph_add_asm_node): New function.
11532 * cgraph.h (struct cgraph_node): Add order field.
11533 (struct cgraph_varpool_node): Add order field.
11534 (struct cgraph_asm_node): Define.
11535 (cgraph_asm_nodes, cgraph_order): Declare.
11536 (cgraph_add_asm_node): Declare.
11537 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11539 (cgraph_varpool_assemble_pending_decls): Call it.
11540 (cgraph_output_pending_asms): New static function.
11541 (cgraph_finalize_compilation_unit): Call it.
11542 (struct cgraph_order_sort): Define.
11543 (cgraph_output_in_order): New static function.
11544 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11545 !flag_toplevel_reorder case.
11546 * c-parser.c: Include "cgraph.h".
11547 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11549 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11550 than -fno-unit-at-a-time.
11551 * doc/invoke.texi (Option Summary): Mention
11552 -fno-toplevel-reorder.
11553 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11554 -funit-at-a-time documentation.
11556 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11557 Kazu Hirata <kazu@codesourcery.com>
11559 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11561 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11563 * Makefile.in (FUNCTION_H): New. Use it instead of
11564 function.h throughout the file.
11565 * function.h: Include tree.h.
11567 2006-01-17 Ben Elliston <bje@au.ibm.com>
11569 * recog.c: Separate some functions with whitespace.
11571 2006-01-16 Richard Henderson <rth@redhat.com>
11573 Merge from gomp branch:
11574 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11575 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11576 and rename from struct inline_data. Rename callee* to dst*;
11577 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11578 transform_new_cfg, transform_return_to_modify, and
11579 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11581 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11582 (copy_decl_for_dup): Remove.
11583 * tree-inline.c (struct inline_data): Move to header.
11584 (insert_decl_map): Export.
11585 (remap_decl): Update for member name changes. Use copy_decl hook.
11586 Allow for replacement to be a non-decl. Remove dead code.
11587 (remap_type_1): Check for existing mapping.
11588 (remap_type): Export.
11589 (remap_decls): Update for member name changes.
11590 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11591 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11592 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11593 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11594 (tree_function_versioning, build_duplicate_type): Likewise.
11595 (copy_body_r): Likewise. Export.
11596 (copy_decl_for_dup): Split into ...
11597 (copy_decl_for_dup_finish, copy_decl_to_var,
11598 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11599 (replace_ref_tree, inlining_p): Remove.
11601 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11603 * ifcvt.c (if_convert): Make it static.
11604 * rtl.h: Remove the prototype for if_convert.
11606 * local-alloc.c (local_alloc): Make it static.
11607 * rtl.h: Remove the prototype for local_alloc.
11609 * loop.c (loop_optimize): Make it static.
11610 * cfgloop.h: Remove the prototype for loop_optimize.
11613 2006-01-16 DJ Delorie <dj@redhat.com>
11615 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11618 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11620 * pa.md: Disparage copies between general and floating-point registers
11621 in 32-bit move patterns.
11623 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11626 * Makefile.in (check-%): Depend on site.exp instead of
11627 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11630 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11632 * global.c (global_alloc): Make it static.
11633 * rtl.h: Remove the prototype for global_alloc.
11635 2006-01-16 Richard Guenther <rguenther@suse.de>
11637 * tree-ssa-alias.c (struct used_part): Add write_only field.
11638 (get_or_create_used_part_for): Initialize it to true.
11639 (create_overlap_variables_for): Don't create structure variables
11640 for structures that only are written to.
11641 (find_used_portions): Handle MODIFY_EXPR to track whether a
11642 structure is only written to.
11644 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11646 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11648 * basic-block.h: Remove the prototype for
11649 partition_hot_cold_basic_blocks.
11651 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11653 * cppspec.c (lang_specific_spec_functions): Remove.
11654 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11655 * gcc.h (lang_specific_spec_functions): Remove.
11656 * gccspec.c (lang_specific_spec_functions): Remove.
11658 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11660 * combine.c (record_value_for_reg): Invalidate registers
11662 (record_dead_and_set_regs_1): Likewise, by passing them to
11663 record_value_for_reg.
11664 (record_dead_and_set_regs): Invalidate stores made by a
11665 call. We do not combine across a call, but we still
11666 relied on equivalences.
11668 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11670 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11671 vrp_int_const_binop returning non-constant nodes.
11673 2006-01-16 Paul Brook <paul@codesourcery.com>
11675 * config/m68k/m68k.c (output_move_const_into_data_reg):
11676 Output correct mnemonic for mvz and mvs.
11678 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11680 * rtl-factoring.c: Add sequence abstraction algorithm.
11681 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11682 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11684 (block_has_preserve_label): New function.
11685 * common.opt: Register new pass.
11686 * Makefile.in: Ditto.
11688 * timevar.def: Ditto.
11689 * tree-pass.h: Ditto.
11690 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11691 * rtl.h (make_jump_insn_raw): Add forward decl.
11692 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11694 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11695 Roger Sayle <roger@eyesopen.com>
11697 * fold-const.c (fold_minmax): New static function.
11698 (fold_binary) <MIN_EXPR>: Call it.
11699 <MAX_EXPR>: Likewise.
11700 * stor-layout.c (place_field): Use DECL_SIZE consistently
11701 in the computation of the new record size.
11703 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11705 * cse.c (cse_condition_code_reg): Make it static.
11706 * rtl.h: Remove the prototype for cse_condition_code_reg.
11708 * combine.c (combine_instructions): Make it static.
11709 * rtl.h: Remove the prototype for combine_instructions.
11711 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11714 * tree.c (get_file_function_name_long): Concatenate the first global
11715 object name with a string derived from the input filename of the object
11718 2006-01-16 Ben Elliston <bje@au.ibm.com>
11720 * config/i386/winnt-stubs.c: Update FSF address.
11721 * config/xtensa/ieee754-df.S: Ditto.
11722 * config/xtensa/ieee754-sf.S: Ditto.
11724 2006-01-14 Ian Lance Taylor <ian@airs.com>
11726 * ifcvt.c (noce_init_if_info): New static function, broken out of
11727 noce_process_if_block.
11728 (noce_process_if_block): Call noce_init_if_info.
11729 (check_cond_move_block): New static function.
11730 (cond_move_process_if_block): New static function.
11731 (process_if_block): Call cond_move_process_if_block.
11733 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11735 * cselib.c (hash_table): Rename to cselib_hash_table.
11736 (cselib_clear_table, discard_useless_values,
11737 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11738 cselib_init, cselib_finish): Adjust uses of hash_table.
11740 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11742 PR tree-optimization/25485
11743 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11744 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11745 is known to be false and true, respectively.
11747 2006-01-14 Richard Guenther <rguenther@suse.de>
11749 PR tree-optimization/22548
11750 PR tree-optimization/22555
11751 PR tree-optimization/22501
11752 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11753 * params.def (salias-max-array-elements): New parameter.
11754 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11755 * doc/invoke.texi (salias-max-array-elements): Document.
11756 * tree-flow-inline.h (var_can_have_subvars): We also handle
11758 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11760 * tree-ssa-structalias.c (params.h): Include.
11761 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11762 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11763 (get_constraint_for): For ADDR_EXPR operating on something
11764 containing an ARRAY_REF, add all subvars to the solution.
11765 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11766 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11767 for creating MUST_DEFs.
11768 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11770 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11772 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11774 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11775 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11776 number_of_iterations_le): New functions.
11777 (number_of_iterations_special): Removed.
11778 (number_of_iterations_exit): Do not use number_of_iterations_special.
11779 * tree.c (unsigned_type_for): Always return integer type.
11781 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11782 Richard Guenther <rguenther@suse.de>
11784 PR rtl-optimization/24257
11785 * gcse.c (find_moveable_store): Only consider a store movable
11786 when the SET_SRC of the insn can be assigned to a register.
11788 2006-01-14 Ian Lance Taylor <ian@airs.com>
11790 * tree.c (tree_not_class_check_failed): New function.
11791 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11792 (tree_not_class_check_failed): Declare.
11794 2006-01-13 Ian Lance Taylor <ian@airs.com>
11796 * reload1.c (do_output_reload): Add assertion rejecting a
11799 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11801 * combine.c (struct reg_stat): Add new fields truncation_label and
11803 (record_value_for_reg): Reset truncated_to_mode.
11804 (record_truncated_value): New function.
11805 (check_promoted_subreg): Call it. Rename to check_conversions.
11806 (combine_instructions): Rename check_promoted_subreg to
11808 (reg_truncated_to_mode): New function.
11809 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11810 (gen_lowpart_or_truncate): New function.
11811 (force_to_mode): Use it instead of gen_lowpart.
11813 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11815 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11816 VAR is a tag, not its type tag.
11818 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11820 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11821 alternatives to match style of other entries.
11822 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11824 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11826 PR tree-optimization/25771
11827 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11830 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11833 * tree-inline.c (declare_return_variable): If the return variable
11834 was marked as a non gimple complex, set the return slot variable
11835 to be a non gimple comple variable.
11837 2006-01-13 Richard Guenther <rguenther@suse.de>
11839 * builtins.c (expand_builtin_sincos): New function.
11840 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11842 (expand_builtin): Expand sincos using expand_builtin_sincos.
11844 2006-01-12 DJ Delorie <dj@redhat.com>
11846 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11847 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11848 so that constant shifts can be split.
11849 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11850 (m32c_valid_pointer_mode): Make static.
11851 (shift_gen_func_for): New.
11852 (m32c_prepare_shift): Use it. Split large const shifts into
11854 * config/m32c/predicates.md (shiftcount_operand): Allow more
11856 (longshiftcount_operand): New.
11857 * doc/md.texi (Machine Constraints): Document In6.
11859 2006-01-13 Ben Elliston <bje@au.ibm.com>
11861 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11862 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11865 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11867 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11868 to try to avoid clobbering pieces of structures when we know
11869 something about the whole structure.
11870 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11872 2006-01-13 Ben Elliston <bje@au.ibm.com>
11874 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11875 return in memory, as this is no limitation is no longer present.
11877 2006-01-12 DJ Delorie <dj@redhat.com>
11879 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11880 mova with fb, and for fb+0 -> An.
11882 * config/m32c/mov.md (peephole2): Fix enabling logic.
11884 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11885 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11886 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11887 FINI_ARRAY_SECTION_ASM_OP): Define.
11889 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11891 (m32c_legitimize_reload_address): New logic to reload FB to An.
11892 (m32c_output_reg_push): Add newline.
11893 (m32c_output_reg_pop): Likewise.
11895 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11897 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11899 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11901 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11903 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11905 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11908 2006-01-11 Ben Elliston <bje@au.ibm.com>
11910 * rtlanal.c (find_reg_note): Assert insn is not null.
11912 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11914 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11917 2006-01-11 Jeff Law <law@redhat.com>
11919 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11921 (mark_threaded_blocks, register_jump_thread): New functions.
11922 (thread_through_all_blocks): Remove unwanted argument. No
11923 longer rely on e->aux to communicate thread target info.
11924 Call mark_threaded_blocks. Release the threaded_blocks
11925 bitmap and threaded_edges vector when complete.
11926 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11927 (threaded_blocks): Remove.
11928 (tree_ssa_dominator_optimize): Remove initialization and
11929 finalization of threaded_blocks. Simplify call to
11930 thread_through_all_blocks.
11931 (thread_across_edge): Call register_jump_thread rather than
11932 storing thread information into e->aux.
11933 (free_all_edge_infos): Simplify now that e->aux is no longer
11934 used to communicate with thread_through_all_blocks.
11935 * tree-flow.h (thread_through_all_blocks): Update prototype.
11936 (register_jump_thread): Prototype.
11938 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11940 * df-core.c (df_compact_blocks, df_bb_replace): Use
11941 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11943 2006-01-11 Richard Guenther <rguenther@suse.de>
11945 PR tree-optimization/25734
11946 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11947 stop propagation after successful propagation to the LHS.
11949 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11951 * basic-block.h (control_flow_graph): Change the type of
11952 x_basic_block_info to VEC(basic_block,gc) *.
11953 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11955 (SET_BASIC_BLOCK): New.
11956 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11957 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11958 * cfgbuild.c (find_basic_blocks): Likewise.
11959 * cfglayout.c (fixup_reorder_chain): Likewise.
11960 * cfgrtl.c (create_basic_block_structure,
11961 rtl_create_basic_block): Likewise.
11962 * ifcvt.c (find_if_case_1): Likewise.
11963 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11966 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11968 * Makefile.in: Removed rotted odf.c entry.
11970 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11973 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11974 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11975 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11976 output pattern modifier, not %e.
11977 * config/cris/cris.c (cris_op_str): Update comment about pattern
11979 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11980 before falling through into...
11981 <case 'E'>: Redefined from old 'e' case.
11983 2006-01-11 Jan Hubicka <jh@suse.cz>
11986 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11988 2006-01-11 Jan Hubicka <jh@suse.cz>
11990 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11991 * i386.c (x86_decompose_lea): Kill.
11992 (ix86_rtx_costs): Kill.
11994 2006-01-11 Jan Hubicka <jh@suse.cz>
11996 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11997 * cgraph.h (cgraph_node): Add inline_decl.
11998 (cgraph_insert_node_to_hashtable): Declare.
11999 (save_inline_function_body): Declare.
12000 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12002 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12003 (cgraph_function_versioning): Update call of tree_function_versioning.
12004 (save_inline_function_body): New function.
12005 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12006 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12007 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12008 (cgraph_default_inline_p): Likewise.
12009 (cgraph_decide_inlining_incrementally): Likewise.
12010 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12011 (copy_bb): Kill saving; do updating of clones.
12012 (copy_cfg_body): Kill saving.
12013 (initialize_inlined-parameters): Likewise.
12014 (expand_call_inline): Likewise.
12016 (tree_function_versioning): New parameter "update_clones".
12017 (inlining_p): Kill saving.
12018 * tree-inline.h (tree_function_versioning): Update prototype.
12019 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12022 2006-01-11 Ian Lance Taylor <ian@airs.com>
12024 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12025 Allow undoing set of machine mode.
12026 (do_SUBST): Use enums instead of is_int.
12027 (do_SUBST_MODE): New function.
12028 (SUBST_MODE): New macro.
12029 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12030 reg and trying to replace reg_regno_rtx with a new register.
12031 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12032 (simplify_set): Use SUBST_MODE.
12033 (distribute_notes): Remove code that tried to update reg notes
12034 for regno_reg_rtx changes.
12036 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12038 PR tree-optimization/23109
12039 PR tree-optimization/23948
12040 PR tree-optimization/24123
12042 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12043 * tree-cfg.c (single_noncomplex_succ): New.
12044 * tree-flow.h (single_noncomplex_succ): Declare it.
12045 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12046 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12047 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12048 insert_bb, register_division_in, insert_reciprocals,
12049 replace_reciprocal, free_bb): New.
12050 (execute_cse_reciprocals_1): Rewritten.
12051 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12052 Do not commit any edge insertion. Always compute dominators and
12053 create the allocation pool.
12054 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12055 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12056 * targhooks.c (default_min_divistions_for_recip_mul): New.
12057 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12058 * passes.c (init_optimization_passes): Run recip after tree loop
12060 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12062 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12063 Kenneth Zadeck <zadeck@naturalbridge.com>
12065 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12066 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12067 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12068 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12069 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12070 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12071 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12072 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12073 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12074 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12075 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12076 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12077 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12078 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12079 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12080 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12081 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12082 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12083 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12084 DF_SCAN_POST_ALLOC): New macros.
12085 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12086 df_free_bb_function, df_local_compute_function, df_init_function,
12087 df_dataflow_function, df_confluence_function_0,
12088 df_confluence_function_n, df_transfer_function,
12089 df_finalizer_function, df_free_function, df_dump_problem_function,
12090 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12091 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12092 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12093 df_urec_bb_info, ) New types.
12094 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12096 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12097 df_analyze_simple_change_some_blocks,
12098 df_analyze_simple_change_one_block, df_compact_blocks,
12099 df_bb_replace, df_bb_regno_last_use_find,
12100 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12101 df_insn_regno_def_p, df_find_def, df_find_use,
12102 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12103 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12104 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12105 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12106 debug_df_chain, df_get_dependent_problem, df_chain_create,
12107 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12108 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12109 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12110 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12111 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12112 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12113 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12114 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12115 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12116 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12117 df_reorganize_refs, df_set_state, df_hard_reg_init,
12118 df_read_modify_subreg_p) New public functions.
12119 * df-core.c: The core dataflow solver and glue routines for rtl
12121 (df_init, df_add_problem, df_set_blocks, df_finish,
12122 df_hybrid_search_forward, df_hybrid_search_backward,
12123 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12124 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12125 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12126 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12127 df_reg_defined, df_find_use, df_reg_used, df_dump,
12128 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12129 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12130 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12131 debug_df_useno, reset_df_after_reload): New functions.
12132 * df-scan.c: The scanning fuctions, once in df.c, completely
12133 rewritten so that they now fully model the functionality of
12134 register usage at the backend.
12135 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12136 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12137 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12138 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12139 df_get_artificial_defs, df_get_artificial_uses,
12140 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12141 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12142 df_refs_delete, df_reorganize_refs, df_set_state,
12143 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12144 df_def_record_1, df_defs_record, df_uses_record,
12145 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12146 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12147 df_record_exit_block_uses, df_hard_reg_init): New functions.
12149 * df-problems.c: Seven concrete dataflow problems that use the
12150 scanning in df-scan.c and are solved by the engine in df-core.c.
12151 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12152 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12153 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12154 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12155 df_ru_free_bb_info, df_ru_alloc,
12156 df_ru_bb_local_compute_process_def,
12157 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12158 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12159 df_ru_transfer_function, df_ru_free, df_ru_dump,
12160 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12161 df_rd_free_bb_info, df_rd_alloc,
12162 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12163 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12164 df_rd_transfer_function, df_rd_free, df_rd_dump,
12165 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12166 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12167 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12168 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12169 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12170 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12171 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12172 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12173 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12174 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12175 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12176 df_urec_mark_reg_use_for_earlyclobber,
12177 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12178 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12179 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12180 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12181 df_chain_create_bb_process_use, df_chain_create_bb,
12182 df_chain_finalize, df_chain_free, df_chains_dump,
12183 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12184 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12185 df_reg_lifetime): New functions.
12186 * df.c: Deleted file.
12187 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12188 consistent with new df api.
12189 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12190 rest_of_handle_sms): Ditto.
12191 * web.c (unionfind_union, union_defs, entry_register, web_main):
12193 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12194 invariant_expr_equal_p, find_defs, check_dependencies,
12195 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12196 free_inv_motion_data, move_loop_invariants): Ditto.
12197 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12198 Update dependencies.
12199 (odf.c): Added defective entry that was deleted later in day.
12200 * sched-deps.c (sched_analyze_1): Ditto.
12202 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12204 * tree-ssa-operands.c (get_expr_operands): Record addressable
12205 variables directly. Do not call add_stmt_operands for CONST_DECLs
12207 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12208 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12210 2006-01-11 Ben Elliston <bje@au.ibm.com>
12212 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12213 function returns true in the positive case.
12215 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12218 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12219 for SI, DI, SF and DF modes. Add alternatives to copy between
12220 general and floating point registers to the 32-bit patterns.
12221 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12222 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12223 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12224 generating 64-bit code.
12225 * config/pa/pa.c (output_move_double): Handle copies between general
12226 and floating registers.
12228 2006-01-10 Stuart Hastings <stuart@apple.com>
12230 * config/i386/i386.md (set_got): Update.
12231 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12232 (builtin_setjmp_receiver): Mach-O support.
12233 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12234 (GOT_SYMBOL_NAME): Define.
12235 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12236 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12237 * config/i386/i386.c (override_options): Revise for Darwin.
12238 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12239 support. (darwin_x86_file_end): New. (output_set_got): Add label
12240 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12241 * config/i386/i386-protos.h (output_set_got): Likewise.
12242 * config/darwin.c (machopic_legitimize_pic_address): Update
12245 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12247 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12248 when MODE isn't BLKmode.
12250 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12252 PR rtl-optimization/25367
12253 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12255 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12258 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12259 for a negative bound.
12261 2006-01-10 Richard Guenther <rguenther@suse.de>
12263 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12264 Never override with anything constraint.
12266 2006-01-10 Jan Beulich <jbeulich@novell.com>
12268 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12269 256 bits when optimize_size.
12271 2006-01-10 Jan Beulich <jbeulich@novell.com>
12273 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12275 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12276 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12279 2006-01-10 Ben Elliston <bje@au.ibm.com>
12281 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12283 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12284 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12285 (USE_FP_FOR_ARG): Reject decimal float modes.
12286 (function_arg_advance): Likewise.
12287 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12288 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12289 point types in AltiVec vectors.
12290 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12291 (rs6000_libcall_value): Likewise.
12293 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12295 * config/xtensa/ieee754-df.S: New file.
12296 * config/xtensa/ieee754-sf.S: New file.
12297 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12298 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12299 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12301 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12303 * config/sh/predicates.md (binary_float_operator,
12304 binary_logical_operator, commutative_float_operator,
12305 equality_comparison_operator, greater_comparison_operator,
12306 less_comparison_operator, logical_operator,
12307 noncommutative_float_operator, shift_operator,
12308 symbol_ref_operand, unary_float_operator): Remove redundant
12311 2006-01-09 Jeff Law <law@redhat.com>
12313 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12314 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12315 now unused arguments. Callers updated.
12316 (eliminate_redundant_computations): Remove now unused arguments,
12318 (local_fold): Remove, no longer used.
12319 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12321 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12322 (simplify_cond): New function.
12323 (forward_propagate_into_cond): Call simplify_cond.
12325 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12327 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12328 (*vec_extractv2di_1_sse): New.
12330 2006-01-09 Ben Elliston <bje@au.ibm.com>
12332 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12334 2006-01-08 Richard Guenther <rguenther@suse.de>
12336 * tree-ssa-structalias.c (get_constraint_for): Remove
12337 anyoffset argument.
12338 (get_constraint_for_component_ref): Likewise.
12339 (do_deref): Likewise.
12340 (get_constraint_for): Likewise.
12341 (do_structure_copy): Likewise.
12342 (handle_ptr_arith): Likewise.
12343 (find_func_aliases): Likewise. Remove unused need_anyoffset
12346 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12347 Kaz Kojima <kkojima@gcc.gnu.org>
12349 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12350 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12351 (EXTRA_CONSTRAINT_C16): Remove.
12352 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12353 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12354 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12355 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12356 constants of SHmedia. Handle nested constant expressions of
12358 (andcosts): Fix the costs for SHmedia constants.
12359 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12360 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12361 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12362 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12363 (movv4hi_i, movv2si_i): Likewise.
12364 (movsi_const): Adjust the second operand of ior so to match with
12365 the Csu constraint.
12366 (movdi_const, movdi_const_32bit): Likewise.
12367 (movdi_const_16bit+1): Don't sign-extend LOW.
12368 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12370 (*double_shori): Fix the split condition. Use GEN_INT instead
12371 of get_int_mode calls. Mask lower 16-bit of the argument of
12373 (sym2GOTPLT): Remove.
12374 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12376 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12377 instead of EXTRA_CONSTRAINT_C16.
12379 2006-01-07 Ian Lance Taylor <ian@airs.com>
12380 David Edelsohn <edelsohn@gnu.org>
12382 PR rtl-optimization/25662
12383 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12384 for constant operands instead of simplify_gen_binary.
12385 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12386 after trying simplify_binary_operation
12388 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12390 * tree.c (iterative_hash_expr): Hash decls based on UID.
12392 2006-01-06 Eric Christopher <echristo@apple.com>
12394 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12395 (TARGET_UNWIND_EMIT): Fix spelling.
12396 * target.h (gcc_target): Add except_table_label.
12397 * except.c (output_function_exception_table): Use.
12398 * varasm.c (default_emit_except_table_label): New.
12399 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12401 (asm_out): Add here.
12402 * output.h (default_emit_except_table_label): Prototype.
12403 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12404 * config/darwin.c (darwin_emit_except_table_label): Define.
12405 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12407 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12409 PR tree-optimization/18527
12410 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12411 number_of_iterations_special, number_of_iterations_exit):
12412 Move base and step of an iv to a single structure. Add
12413 no_overflow flag, and use it in # of iterations analysis.
12414 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12415 folded_casts argument.
12416 (simple_iv): Pass base and step in a structure. Set no_overflow
12418 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12419 Evaluate expensiveness of computing # of iterations instead of
12420 the final expression.
12421 * tree-scalar-evolution.h (affine_iv): New structure.
12422 (simple_iv): Declaration changed.
12423 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12424 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12425 find_givs_in_stmt): Changed due to simple_iv change.
12427 2006-01-06 Jeff Law <law@redhat.com>
12430 * tree-cfg.c (bsi_replace): Rename final argument from
12431 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12432 change (stmt -> orig_stmt).
12433 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12434 (bsi_remove): Add new argument. Remove EH information
12436 (verify_eh_throw_table_statements): New function.
12437 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12439 * tree-optimize.c (execute_free_cfg_annotations): Verify
12440 the EH throw statement table after removing annotations.
12441 * except.h (verify_eh_throw_table_statements): Prototype.
12442 * tree-flow.h (bsi_remove): Update prototype.
12443 * tree-vrp.c (remove_range_assertions): Add new argument to
12445 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12446 * tree-complex.c (expand_complex_div_wide): Likewise.
12447 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12448 * tree-tailcall.c (eliminate_tailcall): Likewise.
12449 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12450 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12451 * tree-nrv.c (tree_nrv): Likewise.
12452 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12453 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12454 (combine_blocks): Likewise.
12455 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12456 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12457 (cleanup_control_flow): Likewise.
12458 (remove_forwarder_block): Likewise.
12459 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12460 * tree-sra.c (sra_replace): Likewise.
12461 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12462 (forward_propagate_single_use_vars): Likewise.
12463 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12464 * tree-inline.c (expand_call_inline): Likewise.
12465 * tree-vect-transform.c (vect_transform_loop): Likewise.
12466 * tree-outof-ssa.c (rewrite_trees): Likewise.
12467 * tree-cfg.c (make_goto_expr_edges): Likewise.
12468 (cleanup_dead_labels): Likewise.
12469 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12470 (bsi_move_before, bsi_move_after): Likewise.
12471 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12472 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12474 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12477 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12479 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12480 on non gimple variables. Also add checks at the top for decls and
12482 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12484 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12485 and IMAGPART_EXPR for creating MUST_DEFs.
12486 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12487 and NAME_MEMORY_TAG separately from the DECLs.
12489 2006-01-06 Richard Guenther <rguenther@suse.de>
12491 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12492 annotation, if necessary.
12493 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12494 redundant calls to update_stmt.
12495 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12498 2006-01-05 Richard Henderson <rth@redhat.com>
12500 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12502 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12504 * c-typeck.c: Update copyright date.
12506 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12508 * c-typeck.c (build_c_cast): Always warn when casting
12509 from a pointer to an integer of different size, even if
12510 the node was constant.
12512 2006-01-05 Richard Guenther <rguenther@suse.de>
12514 PR tree-optimization/22555
12515 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12516 if one structure field is an array.
12517 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12518 operands even if we found a subvar, but ignore VOPs in this
12520 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12522 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12524 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12526 PR middle-end/24998
12527 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12529 2006-01-05 Richard Guenther <rguenther@suse.de>
12530 Diego Novillo <dnovillo@redhat.com>
12532 * tree-pass.h (TODO_remove_unused_locals): Define.
12533 * gimple-low.c (expand_var_p, remove_useless_vars,
12534 pass_remove_useless_vars): Remove. Update all users.
12535 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12536 (remove_unused_locals): New function.
12537 * tree-flow.h (remove_unused_locals): Declare.
12538 * passes.c (execute_todo): Call remove_unused_locals if
12539 TODO_remove_unused_locals is set.
12540 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12541 * tree-ssa-dce.c (pass_dce): Likewise.
12542 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12544 2006-01-05 Richard Guenther <rguenther@suse.de>
12546 * tree-flow.h (struct fieldoff): Decompose field to
12547 type, size and decl.
12548 * tree-ssa-alias.c (create_sft): Take type as parameter.
12549 (create_overlap_variables_for): Store type, size and decl
12550 in the fieldoff structure.
12551 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12552 of struct fieldoff.
12553 (push_fields_onto_fieldstack): Likewise.
12554 (create_variable_info_for): Likewise. Use offset for the
12555 SFT name if the decl is not available.
12557 2006-01-04 Paul Brook <paul@codesourcery.com>
12559 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12561 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12563 * lambda-code.c (can_put_in_inner_loop): Relax
12565 (can_put_after_inner_loop): New function.
12566 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12567 (perfect_nestify): Change to make copies and modify uses.
12569 2006-01-04 Richard Henderson <rth@redhat.com>
12571 Merge from gomp branch:
12572 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12573 via integer constant.
12574 (pragma_lex): Remove.
12575 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12576 rather than parsing it.
12577 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12578 handle_pragma_extern_prefix): Add %< %> quotes.
12579 (registered_pragmas): New.
12580 (c_register_pragma_1): New.
12581 (c_register_pragma): Use it.
12582 (c_register_pragma_with_expansion): Likewise.
12583 (c_invoke_pragma_handler): New.
12584 (init_pragma): Use cpp_register_deferred_pragma directly for
12586 * c-pragma.h (enum pragma_kind): New.
12587 (pragma_handler): New.
12588 (c_invoke_pragma_handler): Declare.
12589 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12591 * c-common.h (c_common_pch_pragma): Update decl.
12592 * Makefile.in (c-parser.o): Update dependencies.
12593 (GTFILES): Add c-pragma.h.
12594 * c-parser.c (struct c_token): Add pragma_kind.
12595 (struct c_parser): Add in_pragma.
12596 (c_lex_one_token): Always initialize keyword and pragma_kind.
12597 Extract data for CPP_PRAGMA.
12598 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12599 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12600 Don't allow CPP_PRAGMA_EOL if in_pragma.
12601 (c_parser_consume_pragma): New.
12602 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12603 (c_parser_skip_to_end_of_parameter): Likewise.
12604 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12605 (c_parser_skip_to_pragma_eol): New.
12606 (c_parser_external_declaration): Handle CPP_PRAGMA.
12607 (c_parser_compound_statement_nostart): Likewise.
12608 (c_parser_statement_after_labels): Likewise.
12609 (c_parser_pragma): New.
12610 (pragma_lex): Likewise.
12611 (c_parser_pragma_pch_preprocess): New.
12612 (c_parser_new): Merge into ...
12613 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12615 2006-01-04 Jeff Law <law@redhat.com>
12618 * tree-cfg.c (bsi_replace): Remove the original statement
12619 from the EH throw statement table.
12621 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12623 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12624 make the prototype extern "C" and add throw ().
12627 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12628 and pos non-negative and pos + len <= 32.
12629 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12630 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12631 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12634 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12635 as well as sizes not multiple of component size.
12638 * function.c (instantiate_expr): New function.
12639 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12640 walk its DECL_VALUE_EXPR with instantiate_expr.
12642 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12643 DW_OP_deref{,_size} if address isn't going to be added.
12645 2006-01-04 Ben Elliston <bje@au.ibm.com>
12647 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12648 * config/fp-bit.c: Likewise.
12650 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12652 * dominance.c: Add comment about why we use DFS numbering
12655 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12656 Richard Henderson <rth@redhat.com>
12658 Merge from gomp-branch:
12659 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12660 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12662 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12664 PR rtl-optimization/25578
12665 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12666 pass a parameter to simplify_shift_const if changing ASHIFTRT
12669 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12671 * builtins.c (get_builtin_sync_mem): New function.
12672 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12673 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12674 Call get_builtin_sync_mem to generate mem rtx.
12676 2006-01-03 Richard Guenther <rguenther@suse.de>
12679 * stmt.c (add_case_node): Make sure to clear overflow flags
12682 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12684 Merge from gomp-branch.
12685 * config/sparc/sync.md: New file.
12686 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12687 UNSPECV_LDSTUB): New constants.
12688 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12689 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12690 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12693 2006-01-03 Roger Sayle <roger@eyesopen.com>
12695 * combine.c (reg_subword_p): New predicate to test whether the
12696 destination of a set refers to a subword/piece of a register.
12697 (try_combine): Generalize the code to merge the setting of a
12698 pseudo to a constant followed by a set of a subword of that
12699 register to a constant.
12701 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12703 * basic-block.h (control_flow_graph): Change the type of
12704 x_label_to_block_map to VEC(basic_block,gc) *.
12705 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12706 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12708 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12709 VEC(basic_block,heap) *.
12710 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12711 ssa_prop_fini): Adjust the uses of cfg_blocks.
12713 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12715 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12717 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12718 hashing trees instead of a pointer hash.
12719 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12720 compare for MEM_EXPR.
12722 PR rtl-optimization/25130
12723 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12724 when comparing MEMs for GCSE
12726 2006-01-03 Ben Elliston <bje@au.ibm.com>
12728 * targhooks.h (default_decimal_float_supported_p): Declare.
12729 * targhooks.c (default_decimal_float_supported_p): Define.
12730 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12731 `default_decimal_float_supported_p'.
12732 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12734 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12736 * combine.c (apply_distributive_law <SUBREG>): Check
12737 TRULY_NOOP_TRUNCATION.
12739 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12741 * dwarf2out.c (have_switched_text_section): Delete.
12742 (have_multiple_function_sections): New.
12743 (have_location_lists): Make 'bool'.
12744 (add_AT_loc_list): Use 'true' not '1'.
12745 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12746 (output_loc_list): Use have_multiple_function_sections.
12747 (output_ranges): Likewise.
12748 (dwarf2out_begin_function): Set have_multiple_function_sections if
12750 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12751 Check function_section rather than DECL_SECTION_NAME.
12752 (dwarf2out_finish): Use have_multiple_function_sections.
12753 Don't clear have_location_lists.
12755 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12756 Jan Hubicka <jh@suse.cz>
12758 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12759 case of conditional jump jumping to the next instruction.
12760 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12761 cases of conditional jump jumping to the next instruction.
12763 2006-01-02 Jan Hubicka <jh@suse.cz>
12765 * i386.c (*_cost): Add COSTS_N_INSNS.
12766 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12768 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12771 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12773 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12775 * config/arm/arm.c (all_fpus): Fix comment typo.
12776 * config/darwin.c: Likewise.
12777 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12778 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12779 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12781 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12783 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12784 (rs6000_split_compare_and_swapqhi): New.
12785 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12786 (sync_compare_and_swapqhi_internal): New.
12787 * config/rs6000/rs6000-protos.h: Declare.