1 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7 2006-09-10 Richard Sandiford <richard@codesourcery.com>
10 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
11 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
12 returned by mode_for_size, rather than the mode of src itself,
13 to choose between 32-bit and 64-bit patterns.
14 (mips_mem_fits_mode_p): New function.
15 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
16 that the size of the source matches the size of the destination.
17 (mov_<store>l, mov_<store>r): Likewise.
19 2006-09-10 Eric Christopher <echristo@apple.com>
21 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
24 2006-09-09 Eric Christopher <echristo@apple.com>
27 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
30 2006-09-09 Roger Sayle <roger@eyesopen.com>
31 Nicolas Setton <setton@adacore.com>
33 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
35 2006-09-10 Andreas Schwab <schwab@suse.de>
37 * config/m68k/m68k.md (bungt_rev): New pattern.
39 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
40 Dale Johannesen <dalej@apple.com>
43 * regclass.c (struct reg_pref): Update documentation.
44 (regclass): Set prefclass to NO_REGS if memory is the best option.
45 (record_reg_classes): Cope with a prefclass set to NO_REGS.
47 2006-09-08 Eric Christopher <echristo@apple.com>
49 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
50 * config/t-slibgcc-darwin: Support x86_64 multilib.
51 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
52 Return 1 for x86_64-darwin.
53 * config/i386/t-darwin: Add m64 multilib.
54 (LIB2_SIDITI_CONV_FUNCS): Use.
55 (LIB2FUNCS_EXTRA): Ditto.
56 * config/i386/darwin.h: Support x86_64.
57 * config/i386/i386.c (override_options): Turn on flag_pic
58 for x86_64-darwin. Disable flag_omit_pointer.
59 (get_pc_thunk_name): Assert !TARGET_64BIT.
60 (legitimate_address_p): Disable machopic addressing for
62 (legitimize_pic_address): Ditto.
63 (ix86_expand_move): Ditto.
64 (ix86_expand_call): Ditto.
65 (machopic_output_stub): Ditto.
66 * config/darwin.c (machopic_select_section): Support literal16.
67 (machopic_select_rtx_section): Ditto.
68 * config/darwin-sections.def: Ditto.
69 * config/darwin-64.c: New.
71 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
74 * c-tree.h (struct c_arg_info): Add pending_sizes.
75 * c-parser.c (c_parser_parms_declarator,
76 c_parser_parms_list_declarator): Initialize pending_sizes.
77 * c-decl.c (get_parm_info): Initialize pending_sizes.
78 (get_parm_info): Set pending_sizes.
79 (grokdeclarator): Call put_pending_sizes for parameters for
80 function definition only.
82 2006-09-07 Jason Merrill <jason@redhat.com>
85 * varasm.c (output_constant): Only strip actual no-op conversions.
88 * config/i386/i386.c (override_options): Use 128-bit
89 stack boundary if -msse.
91 2006-09-07 Eric Christopher <echristo@apple.com>
93 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
95 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
98 2006-09-07 Geoffrey Keating <geoffk@apple.com>
100 * dwarf2out.c: Remove strange characters from comment above
101 dwarf2out_frame_debug_expr.
103 2006-09-07 Eric Christopher <echristo@apple.com>
105 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
106 * config/darwin.h: ... to here.
108 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
110 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
112 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
113 (TARGET_PARTIAL_FLAG_REG_STALL): New.
115 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
116 TARGET_PARTIAL_FLAG_REG_STALL.
117 (*ashldi3_cconly_rex64): Likewise.
118 (*ashlsi3_cmp): Likewise.
119 (*ashlsi3_cconly): Likewise.
120 (*ashlsi3_cmp_zext): Likewise.
121 (*ashlhi3_cmp): Likewise.
122 (*ashlhi3_cconly): Likewise.
123 (*ashlqi3_cmp): Likewise.
124 (*ashlqi3_cconly): Likewise.
125 (*ashrdi3_cmp_rex64): Likewise.
126 (*ashrdi3_cconly_rex64): Likewise.
127 (*ashrsi3_cmp): Likewise.
128 (*ashrsi3_cconly): Likewise.
129 (*ashrsi3_cmp_zext): Likewise.
130 (*ashrhi3_cmp): Likewise.
131 (*ashrhi3_cconly): Likewise.
132 (*ashrqi3_cmp): Likewise.
133 (*ashrqi3_cconly): Likewise.
134 (*lshrdi3_cmp_rex64): Likewise.
135 (*lshrdi3_cconly_rex64): Likewise.
136 (*lshrsi3_cmp): Likewise.
137 (*lshrsi3_cconly): Likewise.
138 (*lshrsi3_cmp_zext): Likewise.
139 (*lshrhi3_cmp): Likewise.
140 (*lshrhi3_cconly): Likewise.
141 (*lshrqi2_cmp): Likewise.
142 (*lshrqi2_cconly): Likewise.
144 2006-09-07 Uros Bizjak <uros@kss-loka.si>
147 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
148 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
149 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
150 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
151 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
152 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
153 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
154 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
155 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
156 implement only CC setting effects of shift instructions.
158 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
160 * doc/contrib.texi: Add myself.
162 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
165 * stor-layout.c (relayout_decl): Don't zero the alignment if it
168 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
171 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
172 (divsi_inv_m1): Use them.
173 (UNSPEC_DIV_INV_TABLE): New constant.
175 2006-09-06 James E Wilson <wilson@specifix.com>
178 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
179 then call count_or_remove_death_notes.
181 2006-09-06 Jason Merrill <jason@redhat.com>
184 * tree-inline.c (copy_result_decl_to_var): New fn.
185 (declare_return_variable): Use it. Call declare_inline_vars here.
186 (expand_call_inline): Not here.
188 2006-09-06 Diego Novillo <dnovillo@redhat.com>
190 * doc/contrib.texi: Update my entry.
192 2006-09-06 Nick Clifton <nickc@redhat.com>
194 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
196 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
199 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
200 (canonicalize_induction_variables): Likewise.
201 (tree_unroll_loops_completely): Likewise.
202 (tree_ssa_prefetch_arrays): Likewise.
203 (remove_empty_loops): Likewise.
204 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
205 TODO_cleanup_cfg instead of directly calling
206 cleanup_tree_cfg_loop.
207 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
209 (tree_unroll_loops_completely): Likewise.
210 (remove_empty_loops): Likewise.
211 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
212 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
213 of tree_ssa_unswitch_loops.
214 (tree_ssa_loop_ivcanon): Use the return value of
215 canonicalize_induction_variables.
216 (tree_ssa_empty_loop): Use the return value of
218 (tree_complete_unroll): Use the return value of
219 tree_unroll_loops_completely.
220 (tree_ssa_loop_prefetch): Use the return value of
221 tree_ssa_prefetch_arrays.
222 * passes.c (execute_todo): Before Cleanup CFG, set
223 updating_used_alone and after cleanup CFG, call
224 recalculate_used_alone.
226 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
229 * tree-vect-transform.c (vectorizable_condition): Move the check
230 for the type after the check for simple condition.
232 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
233 Kaz Kojima <kkojima@gcc.gnu.org>
236 * mode-switching.c (optimize_mode_switching): Make the destination
237 block of an abnormal edge have no anticipatable mode. Don't
238 insert mode switching code at the end of the source block of
241 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
243 PR rtl-optimization/26847
244 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
245 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
246 (simplify_plus_minus): Count n_constants while filling ops. Replace
247 qsort with insertion sort. Before going through the array to simplify
248 pairs, sort it. Delay early exit until after the first sort, exiting
249 only if no swaps occurred. Simplify pairs in reversed order, without
250 special-casing the first iteration. Pack ops after simplifying pairs.
252 2006-09-05 Anatoly Sokolov <aesok@post.ru>
254 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
255 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
256 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
257 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
259 2006-09-05 Richard Guenther <rguenther@suse.de>
261 PR tree-optimization/28900
262 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
263 compound conditional before creating COND_EXPR condition.
265 2006-09-05 Richard Guenther <rguenther@suse.de>
267 PR tree-optimization/28905
268 * tree-vrp.c (fix_equivalence_set): Manually implement
269 !value_ranges_intersect_p to also handle symbolic ranges.
271 2006-09-05 Richard Guenther <rguenther@suse.de>
274 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
277 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
279 PR rtl-optimization/27616
280 * cse.c (table_size): New static variable.
281 (new_basic_block): Initialize it to 0.
282 (remove_from_table): Decrement it.
283 (insert): Increment it.
284 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
285 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
286 fold_rtx_mem_1 if under the cap.
287 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
288 the lookup of the equivalent expression and test for equality of the
289 first operand of the equivalent expression before in turn looking up
290 an equivalent constant for the second operand.
292 2006-09-02 Geoffrey Keating <geoffk@apple.com>
295 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
296 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
297 pointer, instead of assuming it is possible to derive the
298 correct args size from a call insn.
300 2006-09-02 Jakub Jelinek <jakub@redhat.com>
303 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
304 (fold_builtin_mempcpy): Rename to...
305 (fold_builtin_memory_op): ... this. Optimize one element copy
307 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
309 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
310 (expand_builtin_memcpy, expand_builtin_mempcpy,
311 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
312 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
313 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
314 BUILT_IN_MEM{CPY,PCPY,MOVE}.
316 2006-09-01 DJ Delorie <dj@redhat.com>
318 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
320 ("stzx_24_<mode>"): Likewise.
321 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
322 ("cmp<mode>_op"): New.
323 (cmp<mode>): Change to expander; just save operands.
325 (b<code>): Change to expander, emit compare here.
326 (s<code>_op): Change to use split and expander.
327 (s<code>_24_op): Likewise.
328 (s<code>_<mode>): New.
329 (s<code>_<mode>_24): New.
330 (movqicc_<code>_<mode): New.
331 (movhicc_<code>_<mode>): New.
334 * config/m32c/m32c.c (compare_op0, compare_op1): New.
335 (m32c_pend_compare): New.
336 (m32c_unpend_compare): New.
337 (m32c_expand_scc): New.
338 (m32c_expand_movcc): Emit the compare also.
339 * config/m32c/predicates.md (mra_nopp_operand): New.
341 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
342 Richard Guenther <rguenther@suse.de>
343 Adam Nemet <anemet@caviumnetworks.com>
346 * builtins.c (get_pointer_alignment): Handle more forms
347 of base addresses that can be used to derive more precise
348 information about alignment.
350 2006-09-01 Jason Merrill <jason@redhat.com>
353 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
356 * gimplify.c (voidify_wrapper_expr): Handle null type.
358 2006-09-01 Josh Conner <jconner@apple.com>
361 * tree-nrv.c (dest_safe_for_nrv_p): New function.
362 (execute_return_slot_opt): Use it.
364 2006-08-31 Josh Conner <jconner@apple.com>
367 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
368 returning aggregates.
370 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
372 PR tree-optimization/28839
373 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
374 blocks in that phi arguments appear.
376 2006-08-31 Roger Sayle <roger@eyesopen.com>
379 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
380 NULL, otherwise use an advance_loc4 to adjust relative to the
382 (output_cfi) <DW_CFA_set_loc>: Update the current label.
383 (dwarf2out_switch_text_section): Reset the current label to avoid
384 using advance_loc4 over section boundaries.
386 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
389 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
390 r12 + SYMBOLIC_CONST.
392 2006-08-30 Richard Guenther <rguenther@suse.de>
394 * Makefile.in (see.o): Add $(EXPR_H) dependency.
396 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
398 PR rtl-optimization/27735
399 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
400 Add new argument to keep track of whether an irreducible region
401 was affected. All callers changed.
402 (fix_irreducible_loops): Removed.
403 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
404 flags were invalidated.
406 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
408 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
409 instead of SF operands.
410 (*fop_df_comm_sse): Likewise.
411 (*fop_df_comm_i387): Likewise.
412 (*fop_df_1_mixed): Likewise.
413 (*fop_df_1_sse): Likewise.
415 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
416 J"orn Rennecke <joern.rennecke@st.com>
418 PR tree-optimization/17506
419 * tree-ssa.c (warn_uninit): If warning about a location outside of
420 the current function, note where the variable was declared.
422 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
424 PR tree-optimization/28411
425 * double-int.c (double_int_div): Use double_int_divmod.
426 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
427 double_int_mod, double_int_smod, double_int_umod): New functions.
428 * double-int.h (double_int_divmod, double_int_sdivmod,
429 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
431 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
433 (get_computation_aff, get_computation_cost_at): Handle double_int
434 return type of constant_multiple_of.
436 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
439 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
440 an implicit conversion.
442 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
444 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
446 2006-08-27 Roger Sayle <roger@eyesopen.com>
448 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
451 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
453 * config/i386/crtfastmath.c: Fix a comment typo.
455 2006-08-26 Roger Sayle <roger@eyesopen.com>
457 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
458 temporary visit flags on CASE_LABEL_EXPRs.
459 * c-common.c (match_case_to_enum): Add function comment. Avoid
460 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
461 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
462 CASE_HIGH_SEEN for enumerated types. If the switch expression is
463 a constant, only warn if that constant value isn't handled.
465 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
468 * input.h (restore_input_file_stack): Declare.
469 (INPUT_FILE_STACK_BITS): Define.
470 * toplev.c (fs_p, input_file_stack_history,
471 input_file_stack_restored, restore_input_file_stack): New.
472 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
473 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
474 (pop_srcloc): Don't free old state of stack.
476 2006-08-26 David Edelsohn <edelsohn@gnu.org>
479 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
480 (PowerPC Type Attributes): New.
482 2006-08-26 Bob Wilson <bob.wilson@acm.org>
484 * config/xtensa/xtensa.c (function_arg_boundary): New.
485 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
487 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
488 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
490 2006-08-26 Jakub Jelinek <jakub@redhat.com>
493 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
496 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
498 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
499 (verify_local_live_at_start): Likewise.
501 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
504 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
505 omp_add_variable): Treat sizes as variable whenever not
508 2006-08-26 Richard Guenther <rguenther@suse.de>
511 * fold-const.c (fold_binary): Fold temporary to correct
512 type before constructing new comparison.
514 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
517 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
518 variable again if DECL_SEEN_IN_BIND_EXPR_P.
520 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
523 * c-decl.c (start_function): Don't try to process prototype
524 information from old declaration that isn't a function.
526 2006-08-25 Jan Hubicka <jh@suse.cz>
529 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
531 2006-08-25 Alan Modra <amodra@bigpond.net.au>
534 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
537 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
539 PR tree-optimization/16876
540 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
541 exit if PARM doesn't match VALUE.
543 2006-08-25 Bob Wilson <bob.wilson@acm.org>
545 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
546 literal_prefix directive.
547 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
548 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
549 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
551 2006-08-25 David Edelsohn <edelsohn@gnu.org>
554 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
555 predicate to general_operand. Add 0->y and I->r alternatives.
557 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
559 * doc/tm.texi: Fix a typo.
560 * predict.c: Fix comment typos.
562 2006-08-25 Nick Clifton <nickc@redhat.com>
564 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
565 assertions of "cpu" and "machine".
567 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
570 * tree-ssa-operands.c (access_can_touch_variable): Don't say
571 the access through a base which has an alias set of 0 cannot
574 2006-08-24 Bill Wendling <wendling@apple.com>
576 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
578 2006-08-24 Jan Hubicka <jh@suse.cz>
580 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
582 2006-08-24 Jan Hubicka <jh@suse.cz>
585 * cgraph.c: Fix comments.
586 (cgraph_varpool_mark_needed_node): Mark only variables not already
588 * cgraphunit.c: Update comments; include gt-cgraphunit.h
589 (cgraph_varpool_assembled_nodes_queue): New static variable.
590 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
591 (cgraph_varpool_output_debug_info): New function.
592 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
593 * Makefile.in: Add gt-cgraphunit.h
595 2006-08-24 Jan Hubicka <jh@suse.cz>
597 * predict.c (probability_reliable_p): New predicate.
598 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
599 (predict_loops): Do not predict loop exit with less than 2%
601 * basic-block.h (edge_probability_reliable_p,
602 br_prob_note_reliable_p): Declare.
603 * ia64.h (ia64_print_operand): Do not disable on-chip branch
604 prediction when static predictor is not reliable.
605 * rs6000.c (output_cbranch): Likewise.
607 2006-08-23 Stuart Hastings <stuart@apple.com>
610 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
611 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
613 2006-08-21 Geoffrey Keating <geoffk@apple.com>
616 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
617 complex values, nor for generic vector values.
619 2006-08-22 Richard Guenther <rguenther@suse.de>
622 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
623 parameter. Convert arguments to arithmetic expression to the
625 (analyze_scalar_evolution_1): Adjust caller.
627 2006-08-22 Jan Hubicka <jh@suse.cz>
629 Patch by Paolo Bonzini
630 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
633 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
635 PR tree-optimization/28003
636 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
637 before grouping aliases.
639 2006-08-22 Roger Sayle <roger@eyesopen.com>
641 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
642 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
644 2006-08-21 Jason Merrill <jason@redhat.com>
647 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
648 wrapper. Loop to handle nested wrappers.
649 (gimplify_bind_expr): Remove temp parameter.
650 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
651 and STATEMENT_LIST on the rhs.
652 (gimplify_statement_list): Voidify the STATEMENT_LIST.
653 (gimplify_expr): Pass pre_p to gimplify_statement_list.
654 (gimplify_target_expr): Remove special BIND_EXPR handling.
656 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
658 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
661 2006-08-21 Olivier Hainque <hainque@adacore.com>
663 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
664 Arrange for the temporary captures of components overlapping the lhs
665 to happen before the lhs is possibly cleared.
667 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
669 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
670 necessary places to pass the correct "number of registers" values
673 2006-08-20 Jan Hubicka <jh@suse.cz>
675 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
676 (create_name_tags): Instead of quadratic checking use hashtable.
677 * bitmap.h: Include hashtab.h.
678 (bitmap_hash): Declare.
679 * bitmap.c (bitmap_hash): New function.
681 2006-08-20 Jan Hubicka <jh@suse.cz>
683 PR rtl-optimization/28071
684 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
686 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
687 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
688 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
689 cgraph_decide_inlining_incrementally): Update use of
690 cgraph_check_inline_limits.
691 * cgraph.c (edge_hash, edge_eq): New function.
692 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
693 cgraph_edge_remove_caller, cgraph_node_remove_callees,
694 cgraph_remove_node): Maintain call site hash.
695 * cgraph.h (struct cgraph_node): Add call_site_hash.
696 (cgraph_set_call_stmt): New function.
698 2006-08-20 Jan Hubicka <jh@suse.cz>
700 PR rtl-optimization/28071
701 * reload1.c (reg_has_output_reload): Turn into regset.
702 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
703 choose_reload_regs, emit_reload_insns): Update to new
704 reg_has_output_reload.
706 2006-08-20 Jan Hubicka <jh@suse.cz>
709 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
711 * cgraphunit.c (cgraph_analyze_function): Don't do so.
713 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
716 * tree.c (handle_dll_attribute): Return early if not a
717 var or function decl.
719 2006-08-18 Joseph Myers <joseph@codesourcery.com>
722 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
723 alignment of SPE vector types.
725 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
727 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
729 2006-08-17 Jakub Jelinek <jakub@redhat.com>
732 * cgraph.h (struct cgraph_node): Remove externally_visible
734 * cgraphunit.c (process_function_and_variable_attributes): Set
735 local.externally_visible rather than externally_visible.
738 * c-common.c (handle_externally_visible_attribute): First look
739 at TREE_CODE and only if it is function or var decl, check for
740 non-public objects. Don't warn for DECL_EXTERNAL.
741 * cgraphunit.c (process_function_and_variable_attributes): Warn
742 if externally_visible attribute is used on non-public object.
744 2006-08-17 Jan Hubicka <jh@suse.cz>
746 PR tree-optimization/27865
747 * reload1.c (forget_marked_reloads): New function.
748 (forget_old_reloads_1): When data are passed, just mark the registers
750 (reload_as_needed): Use the new mechanizm.
752 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
755 * reload.h (reg_equiv_alt_mem_list): New declaration.
756 * reload1.c (reg_equiv_alt_mem_list): New definition.
757 (reload): Initialize it and release it.
758 (delete_output_reload): Use it.
759 * reload.c (push_reg_equiv_alt_mem): New function.
760 (find_reloads_toplev): Call it.
761 (find_reloads_address, find_reloads_address_1): Likewise.
762 (find_reloads_subreg_address): Likewise.
764 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
766 PR rtl-optimization/28489
767 * sched-ebb.c (begin_schedule_ready): Create basic block
769 (advance_target_bb): Skip empty blocks.
770 * haifa-sched.c (bb_note): Make global.
771 * sched-int.h (bb_note): Add prototype.
773 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
775 PR tree-optimization/27865
776 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
778 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
779 fold_used_pointer, pointer_used_p): New functions.
780 (analyze_scalar_evolution_1): Use fold_used_pointer.
781 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
782 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
785 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
788 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
789 or the INTEGER_CST. Fail on a CALL_EXPR.
790 (fold_offsetof): Pass new argument to fold_offsetof_1.
791 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
792 operand into an INDIRECT_REF.
793 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
795 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
797 PR gcov/profile/26570
798 * value-prof.c (static_values): Removed.
799 (tree_find_values_to_profile): Do not set static_values.
800 (find_values_to_profile): Do not free static_values.
801 * profile.c (instrument_values): Do not free the values.
802 (branch_prob): Free the values.
804 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
806 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
808 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
811 * c-typeck.c (build_component_ref): Combine qualifiers of
812 structure or union and field.
814 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
816 PR rtl-optimization/28071
817 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
818 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
819 * tree-into-ssa.c (struct dom_dfsnum): New.
820 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
822 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
823 compute_global_livein.
824 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
825 in phi nodes in the correct blocks.
827 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
829 PR tree-optimization/28364
830 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
832 (fold_affine_expr): New function.
833 (may_eliminate_iv): Use fold_affine_expr.
835 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
838 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
841 2006-08-16 Mike Stump <mrs@apple.com>
843 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
844 * doc/cppopts.texi (-MD): Likewise.
846 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
849 * c-common.c (handle_weak_attribute): Ignore and warn if
850 not a FUNCTION_ or VAR_DECL.
852 2006-07-15 Mike Stump <mrs@apple.com>
855 * c-parser.c (c_parser_typeof_specifier): Don't use
856 c_finish_expr_stmt, open code desired semantics instead.
858 2006-08-15 Nick Clifton <nickc@redhat.com>
860 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
861 fragment to tmake_file only if threads are enabled.
862 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
863 * config/i386/t-gthr-win32: New file. ... here.
865 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
868 * c-parser.c (c_parser_compound_statement_nostart): Reset
869 parser->error after each statement.
871 2006-08-15 Jakub Jelinek <jakub@redhat.com>
874 * omp-low.c (lower_omp_parallel): Convert t to
875 receiver_decl's type.
876 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
877 source before comparison.
880 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
881 to itype in assignment to oldival2.
883 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
887 * c-typeck.c (build_compound_expr): If the second expression
888 is an error mark, then just return an error mark instead of
889 creating a COMPOUND_EXPR.
891 2006-07-14 Mike Stump <mrs@apple.com>
893 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
895 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
897 * c-decl.c, var-tracking.c: Fix comment typos.
899 2006-08-14 Richard Sandiford <richard@codesourcery.com>
901 PR rtl-optimization/28634
902 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
903 for floating-point modes unless flag_unsafe_math_optimizations.
905 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
906 Andrew Pinski <pinskia@physics.uc.edu>
909 * tree.c (build_array_type): Unify array types with
910 unspecified index_type.
911 * c-decl.c (grokdeclarator): Make sure we do not modify a
912 unified incomplete array type.
913 * c-typeck.c (store_init_value): Create distinct type before
914 filling in the index type in an initializer from a compound
917 * c-decl.c (grokdeclarator): Remove code where we copy the
920 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
922 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
923 into account for TODO_dump_cgraph.
924 (TODO_update_ssa_no_phi): Likewise.
925 (TODO_update_ssa_full_phi): Likewise.
926 (TODO_update_ssa_only_virtuals): Likewise.
927 (TODO_remove_unused_locals): Likewise.
928 (TODO_set_props): Likewise.
929 (TODO_update_stmt_usage): Likewise.
931 2006-08-13 Dirk Mueller <dmueller@suse.de>
933 * c-common.c (strict_aliasing_warning): Fix formatting.
935 2006-08-13 Matthias Klose <doko@debian.org>
937 * doc/invoke.texi: Fix spelling errors.
939 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
941 PR rtl-optimization/23454
942 * reorg.c (relax_delay_slots): Update comment.
944 2006-08-11 Richard Guenther <rguenther@suse.de>
947 * simplify-rtx.c (simplify_const_relational_operation):
948 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
951 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
953 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
954 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
956 2006-08-10 Paul Brook <paul@codesourcery.com>
958 * final.c (final_scan_insn): Clear current_insn_predicate before
959 outputting inline asm.
961 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
963 PR tree-optimization/26197
964 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
965 get_ref_base_and_extent and overlap_subvar to add only relevant
966 subvars as may-aliases.
967 (add_may_alias_for_new_tag): New function, factored out of
969 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
970 with additional argument.
971 * tree-flow.h (new_type_alias): Takes additional argument.
973 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
975 * gcov.c (no_data_file): New flag.
976 (read_count_file): Set it if data file not present. Assume counts
978 (output_lines): Don't name the data file, if there wasn't one.
980 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
982 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
983 (rs6000_generate_compare): Tweak comments.
984 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
986 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
988 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
989 (var_debug_decl): New function.
990 (var_reg_set): Follow debug decl link. Add location even if
991 reg is already known to hold some other variable.
992 (var_mem_set): Follow debug decl link.
993 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
994 decl link. Delete other known locations of the variable part
996 (var_reg_delete, var_mem_delete): Delete other known locations
997 of the variable part if requested.
998 (same_variable_part_p): New function.
999 (add_stores): Select MO_COPY when appropriate.
1000 (vt_initialize): Handle it.
1001 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1002 known locations for MO_SET and MO_CLOBBER.
1003 (find_variable_location_part): New function.
1004 (set_variable_part, delete_variable_part): Use it.
1005 (clobber_variable_part): New function.
1006 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1009 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1011 PR tree-optimization/26969
1012 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1013 with an empty list of PHIs.
1015 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1019 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1022 2006-08-06 Andreas Schwab <schwab@suse.de>
1024 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1025 string. Whitespace and comment fixup.
1027 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1030 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1034 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1037 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1039 2006-08-04 Jan Hubicka <jh@suse.cz>
1043 * reload.c (push_reload): Patch out the mismatching instruction;
1045 (find_reload): Bail out if the instruction was patched out.
1047 2006-08-04 Jan Hubicka <jh@suse.cz>
1049 PR tree-optimization/24888
1050 * tree-inline.c (expand_call_inline): Do not re-record variables.
1051 (declare_inline_vars): Add variable to unexpanded_var_list.
1053 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1054 Roger Sayle <roger@eyesopen.com>
1056 PR rtl-optimization/26244
1057 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1058 inner_const are negative or greater than or equal to the bitsize of
1059 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1060 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1061 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1062 CONST0_RTX (mode) when the new shift count is greater than or equal to
1063 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1066 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1068 * tree-cfg.c: Fix a comment typo.
1070 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1073 * varasm.c (output_constant): Give the front end another chance to
1074 expand constants, after stripping NOPs.
1076 2006-08-03 Jan Hubicka <jh@suse.cz>
1078 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1081 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1083 PR tree-optimization/27770
1084 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1085 declaration removed (moved to tree-flow.h).
1086 (vect_can_force_dr_alignment_p): Likewise.
1087 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1088 (moved from tree-vectorizer.h).
1089 (vect_can_force_dr_alignment_p): Likewise.
1090 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1091 from outside the vectorizer - in particular from cgraph stage.
1092 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1093 the alignment of global arrays when -fsection-anchors is enabled.
1094 * cgraphunit.c (cgraph_increase_alignment): New function.
1095 (cgraph_optimize): Call cgraph_increase_alignment.
1097 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1100 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1101 not reload a SPE symbol_ref into a lo_sum address.
1103 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1106 * dwarf2out.c (prune_unused_types_prune): Move call to
1107 prune_unused_types_update_strings to cover the parent DIE also.
1109 2006-08-02 Jan Hubicka <jh@suse.cz>
1111 PR gcov/profile/28480
1112 * tree-cfg.c (change_bb_for_stmt): New function.
1113 (tree_merge_blocks, tree_split_blocks): Use it.
1115 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1121 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1122 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1123 (cgraph_optimize): Likewise.
1125 2006-08-01 Stuart Hastings <stuart@apple.com>
1127 * rtl.h (UINTVAL) New.
1128 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1129 * testsuite/gcc.dg/20060801-1.c: New.
1131 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1134 * c-typeck.c (build_external_type): Mark used enum types.
1135 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1137 (gen_subprogram_die): Whitespace fix.
1139 2006-08-01 Jan Hubicka <jh@suse.cz>
1141 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1142 bitmap when not needed.
1143 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1146 2006-08-01 Dirk Mueller <dmueller@suse.de>
1148 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1150 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1152 * Makefile.in: Revert part of previous patch:
1153 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1156 2006-07-30 Eric Christopher <echristo@apple.com>
1159 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1160 (PowerPC Variable Attributes): New section.
1162 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1164 PR target/28126 (partial fix)
1165 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1167 2006-07-28 Jan Hubicka <jh@suse.cz>
1169 PR rtl-optimization/28071
1170 * cfgrtl.c (rtl_delete_block): Free regsets.
1171 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1173 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1175 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1176 and variables used in dependencies.
1178 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1180 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1181 %fs for -mcmodel=kernel.
1182 (stack_tls_protect_test_di): Likewise.
1184 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1186 * Makefile.in: Use mkinstalldirs.
1188 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1191 * opts-common.c (prune_options): Skip joined switches.
1193 2006-07-27 Jan Hubicka <jh@suse.cz>
1195 PR rtl-optimization/28071
1196 * cselib.c (cselib_process_insn): Don't remove useless values too
1197 often for very large hashtables.
1199 2006-07-27 Jan Hubicka <jh@suse.cz>
1201 PR rtl-optimization/28071
1202 * global.c (greg_obstack): New obstack.
1203 (allocate_bb_info): Use it.
1204 (free_bb_info): Likewise.
1205 (modify_reg_pav): Likewise.
1207 2006-07-27 Roger Sayle <roger@eyesopen.com>
1209 * builtins.c (fold_fixed_mathfn): When long and long long are the
1210 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1211 functions to their lceil*, lfloor*, lround* and lrint* forms.
1213 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1216 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1218 (rev_branch_insn): Likewise.
1220 2006-07-27 Jan Hubicka <jh@suse.cz>
1222 PR rtl-optimization/28071
1223 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1224 (reg_set_in_bb, max_reg_computed): New static variables.
1225 (regmove_optimize): Free the new array.
1226 (fixup_match_1): Update call of reg_is_remote_constant_p.
1228 2006-07-26 Jan Hubicka <jh@suse.cz>
1230 PR tree-optimization/27882
1231 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1233 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1235 (cgraph_analyze_compilation_unit): Likewise.
1236 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1237 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1238 (cgraph_early_inlinine): Make order garbage collected.
1239 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1241 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1243 * dbxout.c (output_types_sort): Add a comment.
1244 (output_used_types): Free the VEC.
1246 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1248 * function.c (reorder_fix_fragments): Delete.
1249 (reorder_blocks): Don't call it.
1250 (reorder_blocks_1): Put all subblocks under the origin block.
1252 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1254 PR rtl-optimization/27907
1255 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1258 2006-07-25 Roger Sayle <roger@eyesopen.com>
1261 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1262 bar(x) check that bar's result type can represent all the values of T.
1264 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1266 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1268 2006-07-25 Nick Clifton <nickc@redhat.com>
1270 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1271 size_lookup[] array.
1272 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1273 (ggc_pch_count_object): Likewise.
1274 (ggc_pch_alloc_object): Likewise.
1275 (ggc_pch_write_object): Likewise.
1276 (init_ggc): Do not attempt to initialize entries in the
1277 size_lookup[] array for objects whose size is greater than than
1278 the length of the array.
1280 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1282 * dbxout.c (output_used_types_helper): Push queued types
1284 (output_types_sort): New.
1285 (output_used_types): Collect used types on a VEC and sort them
1288 2006-07-24 Richard Guenther <rguenther@suse.de>
1291 * cgraph.c (cgraph_remove_node): Do not check if dumps
1293 * cgraphunit.c (cgraph_optimize): Likewise.
1295 2006-07-24 Jan Hubicka <jh@suse.cz>
1297 PR rtl-optimization/28071
1298 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1299 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1300 splitting before first stmt.
1302 2006-07-24 Jan Hubicka <jh@suse.cz>
1304 PR rtl-optimization/28071
1305 * ipa-inline.c (update_caller_keys): Remove edges that
1306 are no longer inline candidates.
1308 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1311 * dbxout.c (output_used_types_helper, output_used_types): New.
1312 (dbxout_symbol): Call output_used_types.
1314 2006-07-23 Jan Hubicka <jh@suse.cz>
1318 * cgraph.c (cgraph_varpool_nodes): Export.
1319 (decide_is_variable_needed): Ignored "used" attribute in
1320 unit-at-a-time mode.
1321 * cgraph.h (cgraph_varpool_nodes): Declare.
1322 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1323 unit-at-a-time mode.
1325 2006-07-23 Roger Sayle <roger@eyesopen.com>
1328 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1329 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1330 the __gthrw form of thr_keycreate.
1331 (__gthread_key_delete): Silence the unused argument warning.
1333 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1336 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1337 Cache the last found '\0' marker to avoid quadratic behavior.
1339 2006-07-23 Jan Hubicka <jh@suse.cz>
1341 * i386.md (subsi_3_zext): Fix output template.
1343 2006-07-21 Mike Stump <mrs@apple.com>
1345 * doc/invoke.texi (C++ Dialect Options): Note that
1346 -fvisibility-inlines-hidden doesn't affect explicitly
1347 instantiationed inline methods.
1349 2006-07-20 Roger Sayle <roger@eyesopen.com>
1351 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1352 if the target assembler is GNU binutils' gas.
1353 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1354 whether to pass GNU gas or native as command line options.
1356 2006-07-20 Jason Merrill <jason@redhat.com>
1358 * tree.c (remove_attribute): New fn.
1359 * tree.h: Declare it.
1361 2006-07-20 Paul Brook <paul@codesourcery.com>
1364 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1365 they are invalidated by this instruction.
1367 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1370 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1372 2006-07-20 Eric Christopher <echristo@apple.com>
1375 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1377 2006-07-19 Eric Christopher <echristo@apple.com>
1379 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1380 Rewrite dependencies for libgcc_s.1.dylib.
1382 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1384 * except.c (duplicate_eh_regions_1): Clear next_peer.
1386 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1388 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1389 -mlongcall does not guarantee all calls will be long.
1390 * doc/extend.texi (long_call/short_call): Document that longcall
1391 does not guarantee a long call will be used.
1392 (longcall/shortcall): Likewise.
1394 2006-07-18 Roger Sayle <roger@eyesopen.com>
1397 * expmed.c (expand_shift): Additionally check that the shift_cost
1398 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1399 before implementing a LSHIFT_EXPR as a sequence of additions.
1400 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1401 middle-end that DImode shifts need to be synthesized by expand.
1403 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1406 * tree-ssa-operands.c (access_can_touch_variable): Update
1408 Return true if ALIAS is .GLOBAL_VAR.
1410 2006-07-18 David Daney <ddaney@avtrex.com>
1412 * gcc.c (display_help): Fix typo in help text.
1414 2006-07-18 Olivier Hainque <hainque@adacore.com>
1416 * tree.h (categorize_ctor_elements): Adjust prototype and add
1417 descriptive comment, both in accordance with the interface change
1419 * varasm.c (constructor_static_from_elts_p): New function.
1420 Whether a constructor node is a valid static constant initializer
1421 if all its elements are.
1422 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1423 * output.h: Declare it.
1424 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1425 is a valid constant initializer instead of computing the number of
1426 non-constant elements. Use constructor_static_from_elts_p for this
1427 purpose. Replace the head comment with an indication that this is a
1428 helper for categorize_ctor_elements.
1429 (categorize_ctor_elements): Same interface change as for the _1
1430 helper. Former head comment from this helper moved here, adjusted to
1431 account for the interface changes.
1432 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1433 (all_zeros_p): Likewise.
1434 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1435 static versions of the constructor from the categorize_ctor_elements
1436 return value instead of the formerly computed number of non-constant
1439 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1441 * configure: Regenerate.
1442 * Makefile.in (build_libsubdir): New configure substitution
1443 (build_libobjdir): New variable.
1444 (BUILD_LIBIBERTY): Use it.
1446 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1449 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1451 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1454 * c-common.c (handle_weakref_attribute): Ignore attribute in
1455 the same conditions the alias attribute is ignored.
1457 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1459 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1460 (dbxout_begin_prologue): Increment scope_labelno.
1462 2006-07-17 Richard Henderson <rth@redhat.com>
1465 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1468 2006-07-17 Roger Sayle <roger@eyesopen.com>
1469 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1471 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1472 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1473 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1474 functions such as sbrk, write, etc.. Add function prototypes.
1475 Convert function declarations from K&R to ISO C. Cast pointers
1476 to "long" and "unsigned long" instead of "int" and "unsigned int".
1477 Convert tokens following #endif into comments.
1479 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1481 * invoke.texi: Remove mention of f77; Reformat table for
1482 inline parameter options correctly; mention that -malign-double
1483 is default on x86-64 targets.
1485 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1487 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1488 (convert_affine_scev, chrec_convert_aggressive): Use
1489 avoid_arithmetics_in_type_p. Do not check for the subtypes
1492 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1495 * optabs.c (expand_doubleword_shift): Wrap the call to
1496 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1498 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1501 * optabs.c (expand_binop): Pass next_methods rather than methods
1502 to expand_doubleword_shift.
1504 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1507 * tree.h (dump_addr): Declare.
1508 * print-tree.c (dump_addr): New function.
1509 (print_node_brief, print_node): Use it.
1510 * print-rtl.c (print_rtx): Likewise.
1511 * common.opt (-fdump-noaddr): New option.
1512 * doc/invoke.texi (-fdump-noaddr): Document.
1513 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1514 (ve_info_hash): Likewise.
1516 2006-07-13 Andrew Haley <aph@redhat.com>
1518 PR tree-optimization/19505
1519 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1520 edge leaving this block, make sure that the destination of this
1521 block has only one predecessor.
1523 2006-07-17 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/28238
1526 * tree-inline.c (copy_bb): Check if we produced valid
1527 gimple copying and substituting a stmt. If not, gimplify
1530 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1532 * optabs.c (maybe_encapsulate_block): New function extracted from...
1533 (emit_libcall_block): ...here. Invoke it on the block of insns to
1534 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1535 (emit_no_conflict_block): Likewise.
1537 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1539 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1541 2006-07-15 Roger Sayle <roger@eyesopen.com>
1543 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1544 a new NOP_EXPR case of the switch statement.
1546 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1549 * stor-layout.c (place_field): Take the bit field with
1550 an excessive size into account in the ms-bitfiled case.
1553 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1554 the previous bit field.
1556 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1559 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1561 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1563 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1564 signal frames correctly even when the signal was installed with
1567 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1569 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1570 (dbxout_function_end): Use local label LFBB. Remove hook
1572 (dbxout_source_line): Use local label LFBB.
1573 (dbxout_block): Likewise.
1574 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1575 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1576 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1577 and DBX_OUTPUT_NFUN.
1579 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1581 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1583 2006-07-13 Jan Hubicka <jh@suse.cz>
1585 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1587 * output.h (align_variable): Declare.
1588 * varasm.c (align_variable): Export.
1589 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1590 when basic block changed.
1592 2006-07-13 Nick Clifton <nickc@redhat.com>
1594 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1595 walking the LOG_LINKS chain.
1597 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1599 * doc/invoke.texi (C++ Dialect Options): Explain difference
1600 between -fvisibility-inlines-hidden and setting hidden
1601 visibility explicitly.
1603 2006-07-12 Eric Christopher <echristo@apple.com>
1605 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1606 (stmp-lipo): Depend on libgcc.a.
1608 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1610 * tree.c: Fix a comment typo.
1612 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1614 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1616 (umulhisi3_r): Likewise.
1618 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1621 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1622 x < 19, vs wchar_t support.
1624 2006-07-12 Nick Clifton <nickc@redhat.com>
1626 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1627 instead of -isa=sh4.
1629 2006-07-12 Mike Stump <mrs@apple.com>
1631 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1633 2006-07-10 Eric Christopher <echristo@apple.com>
1635 * config/t-slibgcc-darwin: Rewrite.
1637 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1640 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1643 2006-07-08 Matthias Klose <doko@debian.org>
1645 * doc/sourcebuild.texi: Fix typo.
1647 2006-07-07 Mike Stump <mrs@apple.com>
1649 * toplev.c (process_options): Don't give -ffunction-sections may
1650 affect debugging warning for Mach-O.
1652 2006-07-07 James E Wilson <wilson@specifix.com>
1654 * config/mips/mips.md (cpu): Add sb1a.
1655 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1656 addition to sb1. Adjust comments to clarify SB-1A differences from
1658 (ir_sb1a_load): New. Modify bypasses to use it.
1659 (ir_sb1a_simple_alu): Likewise.
1660 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1661 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1662 (mips_issue_rate): Add PROCESSOR_SB1A.
1663 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1664 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1665 (TARGET_SB1): Add PROCESSOR_SB1A check.
1666 (TUNE_SB1): Likewise.
1668 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1669 * config/mips/mips.c (mips_store_data_bypass_p): New.
1670 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1671 store_data_bypass_p.
1673 2006-07-08 Paul Brook <paul@codesourcery.com>
1676 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1678 2006-07-07 Richard Guenther <rguenther@suse.de>
1681 * tree.h (build_one_cst): Declare.
1682 * tree.c (build_one_cst): New function.
1683 * tree-ssa-math-opts.c (get_constant_one): Remove.
1684 (insert_reciprocals): Use build_one_cst.
1685 * fold-const.c (fold_plusminus_mult): Likewise.
1687 2006-07-07 Roger Sayle <roger@eyesopen.com>
1689 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1690 * cfgloopanal.c (dump_graph): Likewise.
1691 * dojump.c (discard_pending_stack_adjust): Likewise.
1692 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1694 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1695 * function.c (finalize_block_changes): Likewise.
1696 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1697 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1698 * rtl.c (dump_rtx_statistics): Likewise.
1699 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1701 * varray.c (dump_varray_statistics): Likewise.
1702 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1703 decode_decimal64, encode_decimal128, decode_decimal128,
1704 decimal_real_to_decimal): Likewise.
1706 2006-07-07 Richard Guenther <rguenther@suse.de>
1708 PR tree-optimization/28187
1709 * tree-vrp.c (vrp_operand_equal_p): New function.
1710 (vrp_bitmap_equal_p): Likewise.
1711 (update_value_range): Use them to compare old and new
1714 2006-07-06 Roger Sayle <roger@eyesopen.com>
1716 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1717 a default case to switch statement to silence compiler warnings.
1719 2006-07-06 Roger Sayle <roger@eyesopen.com>
1722 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1723 the configured assembler supports the x87's ffreep mnemonic.
1724 * configure: Regenerate.
1725 * config.in: Regenerate.
1727 * config/i386/i386.c (output_387_ffreep): New function.
1728 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1729 (output_387_reg_move): Likewise.
1731 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1733 Port to hosts whose 'sort' and 'tail' implementations
1734 treat operands with leading '+' as file names, as POSIX
1735 has required since 2001. However, make sure the code still
1736 works on pre-POSIX hosts.
1737 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1738 which says you should use "tail -c +N" rather than "tail +Nc".
1739 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1741 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1743 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1746 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1749 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1750 PRE_{INC,DEC} of TFmode.
1752 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1753 Alan Modra <amodra@bigpond.net.au>
1756 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1759 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1762 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1763 Remove duplicate gtu.
1765 2006-07-05 Jason Merrill <jason@redhat.com>
1769 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1770 * c-common.c (handle_packed_attribute): So don't copy it here.
1771 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1773 2006-07-05 Mike Stump <mrs@apple.com>
1775 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1777 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1780 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1782 2006-07-05 Richard Guenther <rguenther@suse.de>
1785 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1786 TARGET_SSE2 targets if using SSE math.
1787 (*absdf2_1): Likewise.
1789 2006-07-05 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/28162
1792 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1793 make sure to convert the operands to the correct type.
1795 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1797 PR tree-optimization/28218
1799 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1800 to calculate and free the dominator information.
1802 2006-07-04 Peter O'Gorman <peter@pogma.com>
1804 * mklibgcc.in: chmod 644 before ranlib during install.
1806 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1807 J"orn Rennecke <joern.rennecke@st.com>
1809 * configure.ac (.eh_frame data check): Use diff -b.
1811 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1814 * Makefile.in (BUILD_RTL): Add build/vec.o.
1815 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1816 (build/genextract): Delete.
1817 (build/genautomata): Likewise.
1819 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1822 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1823 128-bit IBM long doubles for ABI_V4.
1825 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1827 * tree.c (range_in_array_bounds_p): New predicate.
1828 * tree.h (range_in_array_bounds_p): Declare it.
1829 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1830 return a less conservative answer.
1831 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1832 and flag 'is_group'.
1833 (IS_ELEMENT_FOR_GROUP): New macro.
1834 (FOR_EACH_ACTUAL_CHILD): Likewise.
1835 (next_child_for_group): New helper function.
1836 (can_completely_scalarize_p): Take into account groups.
1837 (sra_hash_tree): Handle RANGE_EXPR.
1838 (sra_elt_eq): Likewise.
1839 (lookup_element): Be prepared for handling groups.
1840 (is_valid_const_index): Delete.
1841 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1842 instead of is_valid_const_index.
1843 <ARRAY_RANGE_REF>: New case.
1844 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1845 is_valid_const_index.
1846 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1847 (scan_dump): Dump info for groups too.
1848 (decide_instantiation_1): Likewise.
1849 (decide_block_copy): Assert that the element is not a group.
1850 Propagate decision to groups.
1851 (generate_one_element_ref): Handle RANGE_EXPR.
1852 (mark_no_warning): Iterate over actual childs.
1853 (generate_copy_inout): Likewise.
1854 (generate_element_copy): Likewise.
1855 (generate_element_zero): Likewise.
1856 (generate_element_init_1): Likewise.
1857 (dump_sra_elt_name): Handle RANGE_EXPR.
1859 2006-07-03 Roger Sayle <roger@eyesopen.com>
1861 PR tree-optimization/26251
1862 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1863 (thread_block): When optimizing for size refuse to thread jumps
1864 that would require duplication of blocks other than redirection
1867 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1869 * configure.ac: Fix thinko in previous check-in.
1870 * configure: Regenerate.
1872 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1875 * configure.ac (for lang...): Simplify nesting of conditionals.
1876 Test subdir_requires for non-enabled languages. Move processing
1877 of lang_opt_files and lang_tree_fiels below that test.
1878 * configure: Regenerate.
1879 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1881 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1883 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1885 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1887 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1890 2006-06-29 Jason Merrill <jason@redhat.com>
1897 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1898 * c-common.c (c_determine_visibility): Handle it here.
1899 * c-decl.c (finish_decl): Call c_determine_visibility for
1901 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1903 * varasm.c (default_assemble_visibility): Likewise.
1904 * c-common.c (handle_visibility_attribute): Complain about trying
1905 to give visibility to an already defined class, or trying to change
1906 declared visibility. Always attach the attribute.
1911 * attribs.c (decl_attributes): Ignore type-in-place attributes
1912 once the type has been defined.
1914 2006-06-29 Roger Sayle <roger@eyesopen.com>
1917 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1918 to indicate the cpplib has issued an error message for us.
1920 2006-06-29 Asher Langton <langton2@llnl.gov>
1923 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1924 insert a label at the end of an function under Mach-O.
1926 2006-06-29 Eric Christopher <echristo@apple.com>
1927 Evan Cheng <evan.cheng@apple.com>
1929 * predicates.md (vector_all_ones_operand): New.
1930 (nonimmediate_or_sse_const_operand): Ditto.
1931 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1932 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1933 (standard_sse_mode_p): Ditto.
1934 (standard_sse_constant_p): Add case for -1 vector.
1935 (ix86_expand_vector_move): Try to use.
1936 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1937 Call standard_sse_constant_opcode.
1938 (*movv4sf_internal): Ditto.
1939 (*movv2df_internal): Ditto.
1941 2006-06-29 Roger Sayle <roger@eyesopen.com>
1943 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1944 of XEXP to extract the operands of a MATCH_CODE rtx.
1946 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1948 * tree.c (tree_size): Do not waste tail padding in
1949 struct tree_string and make the size be the same as
1950 build_string will generate.
1952 2006-06-28 Jason Merrill <jason@redhat.com>
1955 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1956 may_aliases already in the tag's annotations to the bitmap.
1958 2006-06-28 Roger Sayle <roger@eyesopen.com>
1960 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1962 2006-06-28 Roger Sayle <roger@eyesopen.com>
1964 * genpreds.c (generate_switch_p): New function.
1965 (add_mode_tests): Push the new mode test down inside an AND expr
1966 if this allows the switch-suitable MATCH_CODE to be near the root.
1967 (write_match_code_switch): New function to write a MATCH_CODE as
1969 (write_predicate_stmts): New function to write a predicate RTX
1970 expression as a sequence of statements.
1971 (write_one_predicate_function): Use write_predicate_stmts.
1972 (write_tm_constrs_h): Likewise.
1974 2006-06-26 Fred Fish <fnf@specifix.com>
1976 * config/mips/t-sb1: New file.
1977 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1980 2006-06-26 DJ Delorie <dj@redhat.com>
1982 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1984 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1985 Jayant Sonar <jayants@kpitcummins.com>
1986 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1988 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1989 (subsi3, subsi3_1, subsi3_2): New.
1990 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1991 * config/m32c/mov.md (SI mov peephole): New.
1992 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1993 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1995 2006-06-26 Olivier Hainque <hainque@adacore.com>
1997 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1998 a CALL_EXPR target function declaration.
2000 2006-06-26 Richard Guenther <rguenther@suse.de>
2002 * tree.c (build_string): Do not waste tail padding in
2005 2006-06-26 Richard Guenther <rguenther@suse.de>
2007 * ggc-page.c (init_ggc): Add missing element to size_lookup
2011 2006-06-23 Richard Guenther <rguenther@suse.de>
2013 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2014 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2015 alignment requests instead. Add verification code.
2016 Add struct tree_function_decl and struct tree_binfo size to
2017 extra_order_size_table. Add missing element to size_lookup
2020 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2023 * fold-const.c (const_binop): Be prepared for self returning zero.
2024 Simplify code handling complex values.
2026 2006-06-24 Olivier Hainque <hainque@adacore.com>
2028 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2029 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2032 2006-06-24 Olivier Hainque <hainque@adacore.com>
2034 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2035 ARRAY_REF, so have the callback called for the low bound expression.
2037 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2039 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2040 * c-typeck.c (c_common_type): Disallow operations on decimal float
2041 types and other float types.
2042 * convert.c (convert_to_real): Don't ignore conversions involving
2043 decimal float types.
2045 2006-06-23 Olivier Hainque <hainque@adacore.com>
2047 * tree.c (max_int_size_in_bytes): New function, inspired from
2048 code in function.c:assign_temp.
2049 * tree.h (max_int_size_in_bytes): Declare.
2050 * function.c (assign_temp): Use it.
2051 * gimplify.c (create_tmp_var): Relax the assertions on the type
2052 properties, not mandating constant size any more.
2053 (force_constant_size): New static function.
2054 (gimple_add_tmp_var): Use it, forcing variable size to a
2055 constant upper bound if it is not constant on entry.
2057 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2060 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2061 for initialization and setting of one_only flag to ...
2062 (i386_pe_encode_section_info): ...here.
2063 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2064 Recheck that the symbol has not been defined.
2066 2006-06-23 Richard Guenther <rguenther@suse.de>
2068 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2069 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2070 alignment requests instead. Add verification code.
2071 Add struct tree_function_decl and struct tree_binfo size to
2072 extra_order_size_table. Add missing element to size_lookup
2075 2006-06-22 Roger Sayle <roger@eyesopen.com>
2076 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2079 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2080 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2082 2006-06-23 Ben Elliston <bje@au.ibm.com>
2084 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2085 negate dn -- manipulate it directly.
2087 2006-06-22 Roger Sayle <roger@eyesopen.com>
2088 Steven Bosscher <stevenb.gcc@gmail.com>
2091 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2092 generated by gen_move_insn to add REG_LABEL notes if necessary.
2094 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2096 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2097 (leaf_entry): Remove use of MIN_ESA.
2099 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2101 PR rtl-optimization/28121
2102 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2105 2006-06-21 DJ Delorie <dj@redhat.com>
2107 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2109 (mulhisi3_r): Likewise.
2111 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2114 * coverage.c (coverage_counter_alloc): Leave the index type
2116 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2119 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2121 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2122 section from the "Options for Code Generation Conventions".
2124 2006-06-21 Richard Henderson <rth@redhat.com>
2128 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2130 (global_symbolic_operand): Allow weak symbols, even if local_p.
2132 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2134 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2135 (find_interesting_uses_address): Punt if above function returns true.
2137 2006-06-21 Richard Guenther <rguenther@suse.de>
2139 * configure: Regenerated.
2141 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2143 * config/mips/mips.c (function_arg): Where one part of a
2144 complex argument is in registers and the other part in the stack,
2145 return a REG not a PARALLEL.
2147 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2149 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2150 when cross-compiling. Do not substitute libstdcxx_incdir.
2151 * configure: Regenerated.
2153 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2155 * varasm.c (mergeable_string_section): Check for embedded NULs and
2156 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2157 rather than TREE_STRING_LENGTH bytes.
2159 2006-06-21 Richard Guenther <rguenther@suse.de>
2161 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2162 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2165 2006-06-21 Richrad Guenther <rguenther@suse.de>
2167 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2168 Limit iteration over the dominators.
2170 2006-06-20 Roger Sayle <roger@eyesopen.com>
2172 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2173 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2175 2006-06-20 Richard Guenther <rguenther@suse.de>
2176 Michael Matz <matz@suse.de>
2178 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2180 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2181 * et-forest.h (et_free_pools): Prototype new function.
2182 * et-forest.c (et_free_tree_force): Free parent occurrence.
2183 (et_free_pools): New function.
2184 * dominance.c (free_dominance_info): Free et-forest alloc
2187 2006-06-20 Roger Sayle <roger@eyesopen.com>
2189 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2190 integer modes, attempt to directly construct an integer constant.
2192 * fold-const.c (native_encode_vector): Determine the size of each
2193 element from the vector type instead of the first vector element.
2195 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2196 if all of its elements/components are constant.
2197 (build_constructor_from_list): Likewise.
2199 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2201 PR tree-optimization/27331
2202 * tree-data-ref.c (free_data_ref): New function.
2203 (create_data_ref): Fail if the data reference has unknown access
2205 (free_data_refs): Use free_data_ref.
2207 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2210 * tree-inline.c (setup_one_parameter): Strip useless
2211 type conversion before adding it to the IR.
2212 (declare_return_variable): Likewise.
2214 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2217 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2219 2006-06-19 Mike Stump <mrs@apple.com>
2221 * tree.c (variably_modified_type_p): VM arguments don't make the
2224 2006-06-19 Richard Guenther <rguenther@suse.de>
2226 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2227 type conversions after folding.
2229 2006-06-19 Richard Guenther <rguenther@suse.de>
2231 * ggc-page.c (extra_order_size_tab): Add entries with
2232 size of struct function and basic_block.
2233 (size_lookup): Extend to cover sizes up to 511.
2234 (ggc_alloc_stat): Adjust user.
2235 (ggc_pch_count_object): Likewise.
2236 (ggc_pch_alloc_object): Likewise.
2237 (ggc_pch_write_object): Likewise.
2239 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2241 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2242 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2245 2006-06-19 Denis Chertykov <denisc@overta.ru>
2247 * config/avr/libgcc.S : Correct my wrong previous commit.
2249 2006-06-19 Roger Sayle <roger@eyesopen.com>
2252 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2253 have stripped a SUBREG from the shift count, so we may need to
2254 convert_to_mode back to the type's mode before calling make_tree.
2255 Use new_amount instead of amount to avoid expanding a tree twice.
2257 2006-06-19 Richard Guenther <rguenther@suse.de>
2260 * fold-const.c (operand_equal_p): Check if the argument types
2261 have the same precision before stripping NOPs.
2263 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2265 Fix PR tree-optimization/27341
2266 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2268 * tree-complex.c (pass_lower_complex): Update SMT usage.
2270 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2272 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2273 Add a new alternative to the constraint strings. Add move of
2274 operand 1 to 3 to the splitter definition.
2275 ("doloop_si_long"): Second contraint alternative removed.
2277 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2279 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2280 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2282 (AVR_HAVE_MOVW) Define.
2283 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2284 (ASM_SPEC): Add avr25.
2285 (LINK_SPEC): Add avr25.
2286 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2287 (base_arch_s): Add new member 'have_movw_lpmx'.
2288 (avr_arch_types): Init 'have_movw_lpmx'.
2289 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2290 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2291 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2292 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2293 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2295 (avr_file_start): Do not output '.arh' derective.
2296 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2297 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2298 * config/avr/avr.md (mcu_enhanced): Delete.
2299 (mcu_have_movw): Define.
2300 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2301 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2302 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2303 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2304 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2305 attiny861 and at86rf401 devices.
2307 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2309 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2312 2006-06-17 Karl Berry <karl@gnu.org>
2314 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2315 doc/gccint.texi, doc/install.texi (@dircategory): Use
2316 "Software development" instead of "Programming", following
2317 the Free Software Directory.
2319 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2321 * config/i386/i386.c (legitimate_tls_address)
2322 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2323 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2324 (*tls_dynamic_gnu2_combine_64): Likewise.
2326 2006-06-16 Richard Guenther <rguenther@suse.de>
2329 * fold-const.c (negate_expr_p): Do not introduce undefined
2330 overflow in negating INTEGER_CSTs.
2331 (fold_negate_expr): Rename from negate_expr. Revert last
2332 change for folding BIT_NOT_EXPR. Change semantics to
2333 return NULL_TREE for non-simplified negations. Do not
2334 strip type conversions and unify type handling.
2335 (negate_expr): New function, wrap around fold_negate_expr
2336 but ensure building a tree always. Strip type conversions
2337 here, fold to result type.
2338 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2340 2006-06-16 Roger Sayle <roger@eyesopen.com>
2343 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2344 that (would) return their results in stack registers.
2346 2006-06-16 Michael Matz <matz@suse.de>
2347 Richard Guenther <rguenther@suse.de>
2349 * fold-const.c (fold_truthop): Only return new tree node if
2350 we canonicalized something.
2352 2006-06-16 Richard Guenther <rguenther@suse.de>
2354 * function.h (enum function_frequency): Move declaration
2355 out of struct function.
2356 (struct function): Move bool fields and the enum to the bitfield
2357 section. Reorder elements to avoid padding. Remove unused
2358 fields left over from the RTL inliner removal.
2359 * function.c (free_after_compilation): Do not zero removed fields.
2360 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2361 (ipa-type-escape.o): Likewise.
2363 2006-06-16 Richard Guenther <rguenther@suse.de>
2365 * cgraph.h (struct cgraph_local_info): Turn bool elements
2367 (struct cgraph_node): Likewise.
2368 (struct cgraph_varpool_node): Likewise.
2370 2006-06-15 Richard Guenther <rguenther@suse.de>
2372 * fold-const.c (fold_truth_not_expr): Rename from
2373 invert_truthvalue. Give it fold_* semantics to avoid
2375 (invert_truthvalue): New function. Wrapper around
2376 fold_truth_not_expr.
2377 (optimize_minmax_comparison): Avoid creating garbage.
2378 (fold_unary): Use fold_truth_not_expr for folding
2380 (fold_ternary): Replace uses of invert_truthvalue with
2381 fold_truth_not_expr where applicable.
2382 * tree.h (fold_truth_not_expr): Prototype.
2384 2006-06-16 Richard Guenther <rguenther@suse.de>
2386 PR tree-optimization/27781
2387 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2388 * ipa-pure-const.c (target.h): Include.
2389 (analyze_function): Do not analyze functions that do not
2392 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2395 * tree-dfa.c (referenced_vars_dup_list): Remove.
2396 (find_referenced_vars): Remove assert.
2397 (referenced_var_check_and_insert): Replace dup list with assert.
2398 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2399 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2401 2006-06-15 Richard Guenther <rguenther@suse.de>
2403 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2404 extra unused identifiers if not dumping.
2405 (create_variable_info_for): Likewise.
2407 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2409 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2410 (derive_constant_upper_bound): Derive more precise upper bound in
2411 common cases. Return type changed to double_int.
2412 (record_estimate): Reflect the changed return type of
2413 derive_constant_upper_bound.
2414 * double-int.c (double_int_zext, double_int_sext): Fix.
2416 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2418 * configure.ac (CFLAGS): Get them from the toplevel or from the
2419 configure invocation.
2420 * configure: Regenerate.
2421 * Makefile.in (CFLAGS): Substitute value provided by configure.
2423 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2426 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2427 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2428 rather than calling add_stmt on it.
2429 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2431 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2434 * reload1.c (reload): Remove registers returned by update_eliminables
2435 from used_spill_regs.
2437 2006-06-13 DJ Delorie <dj@redhat.com>
2439 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2441 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2443 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2444 html__strip_dir, html__mkdir_p. Enhance install-html target.
2445 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2446 * configure: Regenerate.
2448 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2450 * fold-const.c (fold_cond_expr_with_comparison): Check for
2451 Objective-C++ as language in deciding COND_EXPR transformation.
2453 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2456 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2457 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2458 * config/sh/lib1funcs.h (SL, SL1): Define.
2459 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2460 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2461 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2462 (OBJS_Os_4_200): New variable.
2463 ($(T)libgcc-Os-4-200.a): Use it.
2464 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2465 when dividing 1 and/or by 0.
2467 2006-06-13 Roger Sayle <roger@eyesopen.com>
2469 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2470 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2471 * configure: Regenerate.
2473 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2475 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2476 for real instruction.
2478 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2481 * haifa-sched.c (check_cfg): Handle special case.
2483 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2486 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2487 Add debug_info parameter. Chain the vars to the BLOCK instead
2488 of the BIND_EXPR if debug info are requested for them.
2489 (pop_gimplify_context): Adjust for above change.
2490 (gimple_add_tmp_var): Likewise.
2491 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2493 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2494 (convert_local_reference): Likewise.
2495 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2496 (finalize_nesting_tree_1): Request that debug info be emitted
2497 for debug_var_chain.
2499 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2501 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2502 for PR target/27863.
2504 2006-06-13 Richard Guenther <rguenther@suse.de>
2507 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2509 2006-06-13 Richard Guenther <rguenther@suse.de>
2511 PR tree-optimization/27830
2512 * tree-inline.c (copy_body_r): For copying the operand
2513 of an ADDR_EXPR make sure to fold &* afterwards.
2515 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2517 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2518 lvalues in the fb_none case with side-effects.
2520 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2522 * tree-flow.h: Remove the prototype for
2523 compute_phi_arg_on_exit.
2524 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2525 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2528 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2530 * builtins.c (expand_builtin_return_addr): Only use
2531 frame_pointer_rtx when count == 0 and we are expanding
2532 __builtin_return_address.
2534 2006-06-12 Fred Fish <fnf@specifix.com>
2536 * config/mips/mips.c (mips_file_start): Create special section
2537 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2539 2006-06-11 Eric Christopher <echristo@apple.com>
2542 * stor-layout.c (place_field): Remove check for
2543 remaining_in_alignment when aligning at the end of a run.
2545 2006-06-11 Eric Christopher <echristo@apple.com>
2548 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2551 2006-06-11 Roger Sayle <roger@eyesopen.com>
2554 Revert incorrect fix for PR target/27158
2555 2006-05-08 Roger Sayle <roger@eyesopen.com>
2556 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2557 of a reg_equiv_constant if the result is a legitimate constant.
2559 2006-06-11 Roger Sayle <roger@eyesopen.com>
2562 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2563 extract a CONST_VECTOR element and interpret it as an integer.
2564 (vspltis_constant): Use const_vector_elt_as_int instead of the
2565 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2566 * config/rs6000/predicates.md (easy_vector_const): Consider
2567 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2569 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2572 * stor-layout.c (update_alignment_for_field): Don't add extra
2573 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2576 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2578 * config/mips/t-rtems: Add EL/EB multilib variants.
2580 2006-06-09 Mike Stump <mrs@apple.com>
2582 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2584 2006-06-09 David Daney <ddaney@avtrex.com>
2586 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2588 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2590 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2592 2006-06-09 Richard Guenther <rguenther@suse.de>
2594 PR tree-optimization/26998
2595 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2596 of signed types, only TYPE_MIN_VALUE is special, but for both,
2597 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2598 in this case, as is -fwrapv.
2600 2006-06-08 Mike Stump <mrs@apple.com>
2603 * config/darwin.c (darwin_asm_output_anchor): Disable
2604 -fsection-anchors on darwin for now.
2605 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2606 * rs6000/rs6000.c (optimization_options): Likewise.
2608 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2611 * config/i386/i386.c (classify_argument): Skip fields with invalid
2614 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2616 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2617 (cse_insn): Likewise for the stack_pointer_rtx.
2619 2006-06-08 Roger Sayle <roger@eyesopen.com>
2621 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2622 conditions from floating point comparisons.
2624 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2627 * expmed.c (struct alg_hash_entry): Fix type of field T
2628 to match synth_mult argument.
2629 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2631 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2634 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2637 2006-06-08 Richard Guenther <rguenther@suse.de>
2640 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2641 only, if overflow is defined and not trapping.
2642 (negate_expr): Likewise.
2644 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2646 PR tree-optimization/27872
2647 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2648 flag on the new exit edge of the unrolled loop.
2650 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2652 PR rtl-optimization/26449
2653 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2655 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2658 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2659 referenced_variables with matching DECL_UID's.
2660 (find_referenced_vars): Make sure duplicate list is empty to start.
2661 (referenced_var_p): Remove.
2662 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2663 Check if var is in the list, and add if needed. Update the duplicate
2664 list if a different var is in the list with the same DECL_UID.
2665 (add_referenced_var): Call routine to check and insert.
2666 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2667 * tree-flow.h (referenced_vars_dup_list): External declaration.
2669 2006-06-07 Fred Fish <fnf@specifix.com>
2671 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2674 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2677 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2678 the imaginary and real parts of a clobbered register.
2679 Emit insn to set the imaginary part.
2681 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2683 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2684 in lieu of unwind-dw2-fde.c.
2686 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2688 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2690 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2693 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2694 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2695 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2696 V4SImode temporaries and operations instead.
2698 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2700 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2703 2006-06-06 Mike Stump <mrs@apple.com>
2705 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2706 installing during build.
2708 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2710 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2712 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2713 * config/ia64/ia64.c (params.h): New header.
2714 (ia64_optimization_options): New function to adjust parameters.
2715 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2716 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2717 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2719 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2721 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2723 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2726 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2728 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2729 Victor Kaplansky <victork@il.ibm.com>
2731 PR tree-optimization/26360
2732 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2735 2006-06-04 Roger Sayle <roger@eyesopen.com>
2736 Andrew Pinski <pinskia@physics.uc.edu>
2739 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2740 for LABEL_DECL before calling DECL_WEAK.
2743 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2744 LABEL_DECL and PARM_DECL.
2746 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2750 * c-decl.c (grokdeclarator): Disallow variably modified types at
2751 file scope. Avoid marking shared array type of constant size as
2754 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2757 * c-common.c (fold_offsetof_1): Handle static members.
2759 2006-06-04 Eric Christopher <echristo@apple.com>
2761 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2762 (debug_rli): Output value for remaining_in_alignment.
2763 (update_alignment_for_field): Unconditionalize
2764 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2765 extra alignment code.
2766 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2767 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2768 * tree.h (record_layout_info_s): Remove prev_packed.
2769 * doc/extend.texi (ms_struct): Add documentation of format.
2771 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2773 * tree.h: Declare folding_initializer.
2774 * builtins.c (fold_builtin_constant_p): Give definite answer
2775 if folding inside an initializer.
2776 * fold-const.c: Define folding_initializer.
2777 (START_FOLD_INIT): Save and then set folding_initializer.
2778 (END_FOLD_INIT): Restore folding_initializer.
2780 2006-06-04 Richard Guenther <rguenther@suse.de>
2782 PR tree-optimization/27039
2783 * fold-const.c (fold_comparison): Handle pointer comparison
2784 again for all comparison codes. Compare offsets in signed
2786 (fold_binary): Move code from here.
2788 2006-06-03 Roger Sayle <roger@eyesopen.com>
2791 * config/i386/i386.c (construct_container): Split static issued_error
2792 flag into issued_sse_arg_error, issued_sse_ret_error and
2793 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2794 requires the use of x87 registers and the user explicitly
2795 specified the -mno-80387 command line option.
2797 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2799 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2800 HAVE_DECL_SIGALTSTACK.
2802 (segv_handler): Use MC_FLD.
2803 * configure.ac: Check for a sigaltstack declaration.
2804 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2805 * configure: Regenerate.
2806 * config.in: Regenerate.
2808 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2811 * Makefile.in (stmp-fixinc): Fix typo.
2813 2006-06-02 Roger Sayle <roger@eyesopen.com>
2815 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2816 are type correct. Clean-up.
2817 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2818 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2820 2006-06-01 DJ Delorie <dj@redhat.com>
2822 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2823 shift, as we've disabled the "switch" insn that needs it.
2825 2006-06-01 Per Bothner <bothner@bothner.com>
2827 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2828 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2829 * c-ppoutput.c (cb_define): Don't increment line 0.
2831 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2833 * doc/invoke.texi: Add cpu_type power6.
2834 * config.gcc: Add cpu_type power6.
2835 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2836 to power5+ with Altivec.
2837 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2838 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2840 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2842 * config/avr/avr.h (SET_ASM_OP): Define.
2844 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2846 * config/bfin/bfin.c: Fix comment typos.
2848 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2851 * doc/install.texi: Document --enable-bootstrap and
2852 --disable-bootstrap.
2854 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2856 * doc/install.texi: Document that InfoZIP can replace jar.
2858 2006-05-31 Roger Sayle <roger@eyesopen.com>
2860 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2861 isn't available, directly generate the simpler x87 patterns without
2862 the (use (const_int 0)).
2863 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2864 implementation isn't available.
2865 (*negdf2_1): Likewise.
2866 (*negxf2_1): XF mode negation is always done using the x87.
2867 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2869 2006-05-31 Roger Sayle <roger@eyesopen.com>
2871 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2872 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2874 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2876 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2878 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2879 * config/bfin/bfin.c (basic-block.h): Include.
2880 (struct machine_function): New.
2881 (bfin_init_machine_status): New.
2882 (override_options): Initialize init_machine_status.
2883 (bfin_hardware_loop): New.
2884 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2885 (DEF_VEC_P (loop_info)): New.
2886 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2887 (struct loop_info): New.
2888 (loop_info): New typedef.
2889 (struct loop_work): New.
2890 (loop_work): New typedef.
2891 (DEF_VEC_O (loop_work)): New.
2892 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2893 (bfin_dump_loops): New.
2894 (bfin_bb_in_loop): New.
2895 (bfin_scan_loop): New.
2896 (bfin_optimize_loop): New.
2897 (bfin_reorg_loops): New.
2898 (bfin_reorg): Use bfin_reorg_loops.
2899 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2901 (I_REGNO_P): Simplify.
2902 (DP_REGNO_P, DPREG_P): New macros.
2903 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2904 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2905 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2906 Add LT_REGS, LC_REGS, LB_REGS.
2907 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2909 (REGNO_REG_CLASS): Deal with loop registers.
2910 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2912 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2913 New constants for loop registers.
2914 (UNSPEC_LSETUP_END): New.
2915 (seq_insns): New define_attr. Set it for appropriate insns.
2916 (movsi_insn): Add alternatives for move from/to
2917 loop count registers.
2918 (doloop_end): New define_expand.
2919 (loop_end): New define_insn.
2920 (define_split for bad doloop_end): New.
2921 (lsetup_with_autoinit): New define_insn.
2922 (lsetup_without_autoinit): New define_insn.
2923 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2924 * config/bfin/predicates.md (lc_register_operand): New.
2925 (lt_register_operand): New.
2926 (lb_register_operand): New.
2927 (nondp_register_operand): New.
2928 (nondp_reg_or_memory_operand): New.
2929 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2931 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2933 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2934 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2936 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2938 * Makefile.in (CATALOGS): Add po/ prefix.
2939 * configure: Regenerated.
2941 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2944 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2945 a shift operand before calling shift_op. Avoid redundant call of
2948 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2949 DJ Delorie <dj@redhat.com>
2951 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2952 we're inserting is a singlt-bit constant.
2954 2006-05-30 Roger Sayle <roger@eyesopen.com>
2956 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2957 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2959 2006-05-30 Roger Sayle <roger@eyesopen.com>
2961 PR tree-optimization/23452
2962 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2963 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2964 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2965 complex values and with -ffast-math for FP complex values.
2967 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2969 * c-common.h: Remove the prototype for yyparse.
2970 * rtl.h: Remove the prototype for init_loop.
2972 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2974 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2977 2006-05-30 Roger Sayle <roger@eyesopen.com>
2979 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2981 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2982 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2984 2006-05-30 Dirk Mueller <dmueller@suse.de>
2987 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2988 for CONSTANT_CLASS_P expresisons.
2990 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2993 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2995 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2997 PR tree-optimization/27779
2998 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2999 initial_condition instead of CHREC_LEFT.
3001 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3003 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3004 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3005 Make prototypes ISO C90.
3007 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3008 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3010 * see.c (see_analyze_one_def): Correct check.
3011 (see_get_extension_data): Check if extension is parallel.
3012 (see_get_extension_reg): Likewise.
3014 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3017 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3018 into register for (code == GTU).
3020 2006-05-29 Roger Sayle <roger@eyesopen.com>
3022 PR tree-optimization/24964
3023 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3024 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3025 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3026 abs(x)*abs(x) as x*x for scalar floating point modes.
3028 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3031 * lambda-code.c (perfect_nestify): Don't copy statements
3032 in the inner loop: move them to the inner loop header.
3034 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3037 * c-tree.texi: Document OpenMP directives and clauses.
3039 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3041 * varasm.c (globalize_decl): Fix indentation.
3043 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3046 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3047 pass_fre, pass_store_ccp, pass_copy_prop,
3048 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3049 pass_return_slot, pass_object_size, pass_lim,
3050 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3051 pass_loop_prefetch and pass_stdarg.
3053 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3055 * config/bfin/bfin.opt (mfdpic): New option.
3056 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3057 (EXTRA_MULTILIB_PARTS): Likewise.
3058 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3059 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3061 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3062 (CRT_CALL_STATIC_FUNCTION): New.
3063 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3065 (CRT_CALL_STATIC_FUNCTION): New.
3066 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3068 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3069 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3070 (initialize_trampoline): Changed to handle FD-PIC code generation.
3071 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3072 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3073 (override_options): Disallow -mid-shared-library -mfdpic combination.
3074 Can't do unaligned ops if FD-PIC.
3075 Turn off flag_pic if trying to generate non-id-shared-library
3076 non-fdpic code, since it's not supported.
3077 (bfin_assemble_integer): New function.
3078 (TARGET_ASM_INTEGER): Define.
3079 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3081 * config/bfin/crtn.s: Restore them.
3082 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3084 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3085 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3086 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3087 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3088 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3090 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3091 FDPIC_REGS and FDPIC_FPTR_REGS.
3092 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3093 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3094 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3095 (load_funcdescsi): New pattern.
3096 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3097 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3098 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3100 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3102 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3105 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3107 * tree-flow.h: Remove the prototype for add_type_alias.
3108 * tree-ssa-alias.c (add_type_alias): Remove.
3110 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3112 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3113 config/fr30/fr30.md, config/i386/i386-interix.h,
3114 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3115 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3116 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3117 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3118 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3119 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3120 Follow spelling conventions.
3121 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3122 Follow spelling conventions.
3124 2006-05-27 Richard Guenther <rguenther@suse.de>
3127 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3128 to produce a constant of value 1 of generic type.
3130 2006-05-27 Dirk Mueller <dmueller@suse.de>
3132 * cgraphunit.c (decide_is_function_needed): Fix wrong
3135 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3137 PR rtl-optimization/27661
3138 * reload.c (find_reloads): When reloading a VOIDmode constant
3139 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3140 use Pmode as mode of the reload register.
3142 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3144 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3145 is enabled at -O and above.
3147 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3150 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3153 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3156 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3157 for anonymous variables explicitly declared by front ends.
3159 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3161 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3162 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3163 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3164 ref-all pointers, run a finalization pass for them.
3165 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3166 (finalize_ref_all_pointers): New function.
3167 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3168 regular pointer type to a ref-all pointer type.
3169 (get_tmt_for): Return the special memory tag for ref-all pointers.
3171 2006-05-25 Richard Guenther <rguenther@suse.de>
3174 * fold-const.c (fold_binary): Do not look at the stripped
3175 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3177 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3179 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3180 for LT and GT if the computed range is effectively empty.
3182 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3185 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3186 mips_quad_format formats instead of ieee_single_format,
3187 ieee_double_format and ieee_quad_format formats, respectively.
3189 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3191 PR tree-optimization/27639
3192 PR tree-optimization/26719
3193 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3194 call to scev_probably_wraps_p.
3195 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3196 used_in_pointer_arithmetic_p, convert_step): Removed.
3197 (nowrap_type_p): New function.
3198 (scev_probably_wraps_p): Rewritten.
3199 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3200 chrec_convert if chrec_convert_aggressive might have been used.
3201 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3202 scev_direction): New functions.
3203 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3204 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3205 instead of convert_step.
3206 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3207 (convert_step): Declaration removed.
3208 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3210 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3212 * df-core.c: Added to header comments.
3213 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3214 df_ur_bb_info, df_urec_bb_info): Added comments.
3215 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3216 urec, ri problems): Fixed header comments.
3217 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3218 code from df_rd_transfer_function.
3220 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3222 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3223 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3224 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3226 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3228 * expr.c (undefined_operand_subword_p): New.
3229 (emit_move_multi_word): Do not generate move from undefined bits
3230 of a paradoxical subreg.
3232 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3234 PR rtl-optimization/27736
3235 * combine.c (replaced_rhs_value): New variable.
3236 (combine_instructions): Set it.
3237 (distribute_notes): When distributing a note in replaced_rhs_insn,
3238 check whether the value was used in replaced_rhs_value.
3240 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3243 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3244 add_referenced_var instead of add_referenced_tmp_var.
3245 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3246 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3248 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3249 tree_optimize_tail_calls_1): Use add_referenced_var.
3250 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3251 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3252 Use add_referenced_var.
3253 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3254 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3255 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3256 Use add_referenced_var.
3257 * tree-dfa.c (struct walk_state): Remove.
3258 (find_referenced_vars): Remove walk state and vars_found hash table.
3259 (make_rename_temp): Use add_referenced_var.
3260 (find_vars_r): Pass less parameters to add_referenced_var.
3261 (referenced_var_p): New. Is var in referenced_var hash table.
3262 (referenced_var_insert): Assert var isn't already in hash table.
3263 (add_referenced_var): Don't need walk_state parameter. Add var if it
3264 isn't already in the hash table.
3265 (add_referenced_tmp_var): Remove.
3266 (find_new_referenced_vars_1): Use add_referenced_var.
3267 * tree-ssa-pre.c (create_expression_by_pieces,
3268 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3269 Use add_referenced_var.
3270 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3271 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3272 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3274 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3275 vect_create_data_ref_ptr, vect_create_destination_var,
3276 vect_init_vector, vect_build_loop_niters,
3277 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3278 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3279 Use add_referenced_var.
3280 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3281 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3282 (add_referenced_var): Add prototype.
3283 * tree-ssa-structalias.c (get_constraint_for,
3284 intra_create_variable_infos): Use add_referenced_var.
3286 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3288 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3289 big-endian paradoxical subregs.
3290 * var-tracking.c (struct micro_operation_def): Document that,
3291 for modify micro operations, insn is the subsequent instruction.
3292 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3293 (var_reg_set, var_mem_set): ... new functions.
3294 (add_stores): Record subsequent insn.
3295 (compute_bb_dataflow): Use new functions for MO_USE.
3296 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3297 notes after the insn, and modify notes before the insn known
3298 to be the subsequent one.
3299 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3301 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3304 * config/i386/i386.c (ix86_expand_builtin): Use
3305 gen_sse3_monitor64 for TARGET_64BIT.
3307 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3309 PR rtl-optimization/26375
3310 PR rtl-optimization/26855
3311 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3313 (df_ru_bb_local_compute): Reversed statements and removed bogus
3314 comment explaining why they should be in wrong order.
3315 (df_ru_dump, df_rd_dump): Enhanced debug info.
3316 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3318 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3319 reaching uses and fixed space problem.
3321 2006-05-23 Jan Hubicka <jh@suse.cz>
3323 * cgraphunit.c (decide_is_function_needed): Also nested functions
3324 and functions declared inline can be optimized out at -O0.
3326 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3328 * doc/install.texi (Configuration): Remove reference to CrossGCC
3332 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3335 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3336 ix86_compare_emitted is non-NULL.
3338 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3341 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3344 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3346 PR rtl-optimization/25514
3347 * combine.c (replaced_rhs_insn): New variable.
3348 (combine_instructions): Set replaced_rhs_insn when trying to replace
3349 a SET_SRC with a REG_EQUAL note.
3350 (distribute_notes): Use replaced_rhs_insn when determining the live
3351 range of a REG_DEAD register.
3353 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3354 Anatoly Sokolov <aesok@post.ru>
3356 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3357 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3358 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3359 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3360 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3361 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3362 at90usb647, at90usb1286 and at90usb1287 devices.
3363 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3364 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3366 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3368 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3370 2006-05-22 Richard Guenther <rguenther@suse.de>
3373 2006-01-31 Richard Guenther <rguenther@suse.de>
3374 Paolo Bonzini <bonzini@gnu.org>
3376 * doc/install.texi (--disable-libgcc-math): Document.
3378 2006-05-22 Richard Guenther <rguenther@suse.de>
3381 2006-01-31 Richard Guenther <rguenther@suse.de>
3383 * doc/invoke.texi (-msselibm): Document.
3384 * target.h (expand_library_builtin): New target hook.
3385 * builtins.c (expand_builtin): Use expand_library_builtin.
3386 (default_expand_library_builtin): New function.
3387 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3388 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3389 (link_gcc_math_spec): Declare.
3390 (static_specs): Add link_gcc_math_spec.
3391 * expr.h (default_expand_library_builtin): Declare.
3392 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3393 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3394 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3395 * config/i386/i386.opt (msselibm): New target option.
3396 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3397 (ix86_init_sse_abi_builtins): New function.
3398 (ix86_expand_library_builtin): Likewise.
3399 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3400 (override_options): Handle error conditions wrt -msselibm.
3401 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3402 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3403 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3406 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3409 * c-common.c (self_promoting_args_p): Skip erroneous args.
3412 * c-decl.c (finish_struct): Skip erroneous fields.
3414 2006-05-22 Nick Clifton <nickc@redhat.com>
3416 * config/cris/cris.opt (march): Remove VarExists attribute.
3417 (max-stackframe=): Likewise.
3419 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3421 * doc/rtl.texi: Fix a typo.
3422 * see.c: Fix comment typos.
3424 * tree-ssa-structalias.h (alias_info): Remove num_references.
3426 2006-05-21 Mike Stump <mrs@apple.com>
3428 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3430 (darwin_pragma_options): Use BAD instead.
3431 (darwin_pragma_unused): Likewise.
3432 (darwin_pragma_ms_struct): Likewise.
3434 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3436 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3438 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3440 PR rtl-optimization/27671
3441 * simplify-rtx.c (simplify_relational_operation_1): Fix
3442 simplifications of (eq/ne (xor x y) y) and
3443 (eq/ne (xor x y) x).
3445 PR tree-optimization/26622.
3446 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3449 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3451 * tree-cfg.c: Prune whitespace.
3452 (debug_tree_cfg): Point to correct header containing the
3455 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3458 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3460 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3463 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3464 or sorry count is non zero.
3466 2006-05-20 Andreas Schwab <schwab@suse.de>
3468 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3470 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3471 Kenneth Zadeck <zadeck@naturalbridge.com>
3473 PR rtl-optimization/26855
3475 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3477 (df_scan_alloc): Added code to properly handle multiword hard
3478 registers and add all_blocks parameter.
3479 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3480 code to properly handle multiword hard registers.
3481 (df_rescan_blocks): Added code to remove deleted blocks from
3483 (df_ref_create_structure, df_ref_record): Added code to properly
3485 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3486 and set DF_REF_PARTIAL.
3487 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3488 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3489 (df_scan_add_problem): Added flags parameter.
3490 (df_ref_create_structure): Changed switching structure.
3491 (df_bb_refs_record): Fixed case where duplicate artificial refs
3492 were created. Changed location of flags.
3493 (df_record_entry_block_defs): Added code to make stack pointer
3494 live in entry block. Refined cases where frame pointer is needed.
3495 Changed location of flags.
3496 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3497 (df_set_state): Removed function.
3498 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3499 df_insn_create_insn_record, df_insn_refs_delete,
3500 df_ref_create_structure): Formatting changes.
3501 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3502 df_delete_basic_block): New function.
3503 (df_init): Changed location of flags.
3504 (df_add_problem): Added flags parameter and the way flags are
3506 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3507 debug_df_chain): Improved debugging output.
3508 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3509 (df_refs_chain_dump): Removed df parameter.
3510 (df_iterative_dataflow): Added consistency check.
3511 (df_prune_to_subcfg): Made public.
3512 (df_analyze_problem): Added blocks_to_init parameter and made
3514 (df_ref_record, df_bb_refs_record, df_mark_reg,
3515 df_record_exit_block_uses): Whitespace changes.
3516 (df_dump): Whitespace changes.
3517 * df.h: Some reordering to remove forward references.
3518 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3519 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3520 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3521 (dataflow.flags): New field.
3522 (df.flag): Deleted field.
3523 (df_alloc_function): Added additional bitmap parameter.
3524 (df_dependent_problem_function): New type.
3525 (df_problem.changeable_flags): New field.
3526 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3527 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3528 (df_mw_hardreg): New struct.
3529 (DF_INSN_UID_MWS): New macro.
3530 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3532 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3533 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3534 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3535 (df_set_state): Removed function.
3536 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3537 * df-problems.c (df_chain_dump): Removed df parameter.
3538 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3539 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3541 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3542 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3543 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3544 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3545 DF_REF_MUST_CLOBBER cases.
3546 (df_ru_bb_local_compute_process_def,
3547 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3548 df_lr_bb_local_compute, df_ur_bb_local_compute,
3549 df_chain_create_bb): Made subreg aware.
3550 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3551 df_lr_bb_local_compute, df_lr_bb_local_compute,
3552 df_chain_create_bb): Cleanup to use proper macros.
3553 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3554 code to fixup bitvectors.
3555 (df_ri_alloc): Cleared lifetime.
3556 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3557 df_create_unused_note): New function.
3558 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3559 REG_DEAD and REG_UNUSED notes as well as register information.
3560 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3561 df_chains_dump): Fixed crash if problem was never run.
3562 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3563 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3564 df_ri_add_problem): Processes flags in uniform manner.
3565 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3566 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3567 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3568 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3569 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3570 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3571 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3572 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3573 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3574 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3575 * see.c (see_initialize_data): Ditto.
3576 * final.c (rest_of_clean_state) Added regstack_completed.
3577 * rtl.h (regstack_completed): Ditto.
3578 * reg-stack.c (regstack_completed): Ditto.
3580 2006-05-19 Mike Stump <mrs@apple.com>
3582 * c-tree.h (default_conversion): Remove.
3583 * c-common.h (default_conversion): Add.
3585 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3587 * tree-vrp.c (valid_value_p): New function.
3588 (adjust_range_with_scev): Fail if the value of bound is not
3591 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3593 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3594 (mips_fallback_frame_state): Use syscall numbers to determine
3595 the appropriate li instruction for the current ABI. Only use
3596 __NR_sigreturn for o32.
3598 2006-05-19 Nicolas Setton <setton@adacore.com>
3600 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3601 * langhooks.c (lhd_dwarf_name): New function.
3602 * langhooks-def.h (lhd_dwarf_name): Declare.
3603 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3604 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3605 * ada/misc.c (gnat_dwarf_name): New function.
3606 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3608 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3610 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3612 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3613 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3614 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3615 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3616 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3617 determine the size of Wtype, etc.
3618 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3619 (swfloatfuncs): New variable.
3620 (dwfloatfuncs): Likewise.
3621 (lib2funcs): Remove floating-point conversion functions from
3622 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3623 the set of conversion routines needed. Allow entries to specify
3624 an object name, filename and word size. Update users accordingly.
3625 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3626 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3630 2006-02-08 Roger Sayle <roger@eyesopen.com>
3633 * config/fixtfdi.c: New libgcc source file.
3634 * config/fixunstfdi.c: New source file.
3635 * config/floatditf.c: New source file.
3636 * config/floatunditf.c: New souce file.
3637 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3638 files above instead of config/mips/_tilib.c.
3639 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3641 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3643 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3644 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3646 2006-05-18 Mike Stump <mrs@apple.com>
3648 Fix up vla, vm and [*] sematics.
3654 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3655 (c_vla_unspec_p): Add.
3656 (c_vla_type_p): Add.
3657 * c-decl.c (struct c_scope): Add had_vla_unspec.
3658 (build_array_declarator): Add support for [*].
3659 (grokdeclarator): Likewise.
3660 (grokparms): Likewise.
3661 (get_parm_info): Likewise.
3662 * c-objc-common.c (c_vla_unspec_p): Likewise.
3663 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3664 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3665 typeof when argument is a variably modified type not inside sizeof or alignof.
3666 (c_parser_direct_declarator_inner): Propagate errors.
3667 (c_parser_sizeof_expression): Add support for [*].
3668 (c_parser_parms_declarator): Initialize had_vla_unspec.
3669 (c_parser_parms_list_declarator): Likewise.
3670 * c-typeck.c (c_vla_type_p): Add.
3671 (composite_type): Add support for vla compositing.
3672 (comptypes_internal): Add support for vla compatibility.
3673 (c_expr_sizeof_expr): Evaluate vla arguments.
3674 * tree.c (variably_modified_type_p): Update comment for [*].
3676 2006-05-18 Michael Matz <matz@suse.de>
3679 * config.host: Make assignments to host_xmake_file cumulative.
3680 * config.host (*-darwin*): Test $host, not $target.
3682 2006-05-12 Stuart Hastings <stuart@apple.com>
3684 * config/i386/i386.opt (-mstackrealign): New flag.
3685 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3686 (ix86_handle_cconv_attribute): Emit error when
3687 force_align_arg_pointer attribute collides with too many regparms.
3688 (ix86_function_regparm): Limit regparms when used with
3689 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3690 Support stack-realigning prologue in non-main functions. Emit
3691 warning for nested functions under -mstackrealign, emit error for
3692 nested functions with force_align_arg_pointer attribute.
3693 * doc/extend.texi (force_align_arg_pointer): Document it.
3694 * doc/invoke.texi (-mstackrealign): Document it.
3696 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3698 PR rtl-optimization/27477
3699 * combine.c (try_combine): Don't split a parallel consisting
3700 of two sets into two individual sets if both sets reference
3703 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3705 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3706 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3708 * doc/options.texi (VarExists): Updated.
3710 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3712 * unwind-dw2.c: Add declarations for uw_update_context and
3714 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3715 detected, advance frame state and context once to skip over stub.
3717 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3721 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3722 Call rewrite_into_loop_closed_ssa only when something changed.
3723 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3724 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3725 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3726 Test for perfect_nest_p here. Fix formating.
3727 (replace_uses_equiv_to_x_with_y): Fix formating.
3728 (stmt_uses_op): Removed.
3729 (can_convert_to_perfect_nest): Removed loopivs parameter.
3730 Complete the test by checking the scalar dependences.
3731 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3734 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3737 From Dan Kegel <dank@kegel.com>:
3738 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3740 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3742 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3743 if the element type is variably modified without recursing.
3745 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3748 * tree-loop-linear.c (try_interchange_loops): Test for
3749 no data dependences.
3751 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3753 PR tree-optimization/27548
3754 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3755 range of ssa names that appear on abnormal edges.
3756 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3757 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3759 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3762 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3764 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3767 * tree.h (OMP_PARALLEL_COMBINED): Define.
3768 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3769 (new_omp_context): Add is_combined_parallel argument.
3770 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3771 new_omp_context caller.
3772 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3773 Adjust gimplify_scan_omp_clauses callers.
3774 (omp_is_private): Issue errors if iteration variable is firstprivate
3775 or reduction in the current context.
3776 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3777 on combined parallel workshare constructs.
3779 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3781 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3782 (gcc-options.o): New rule.
3784 * optc-gen.awk: Protect variables for gcc-options.o with
3785 #ifdef GCC_DRIVER/#endif.
3787 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3789 Fix PR tree-optimization/27373
3790 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3791 (forward_propagate_addr_expr): Update call.
3793 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3795 * doc/options.texi: Move the Negative option.
3797 2006-05-16 Richard Guenther <rguenther@suse.de>
3799 PR tree-optimization/22303
3800 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3802 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3803 ccp_fold did not simplify the statement.
3805 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3808 * Makefile.in (GCC_OBJS): New.
3809 (OBJS-common): Add opts-common.o.
3810 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3811 (cpp$(exeext)): Likewise.
3812 (gcc.o): Also depend on opts.h.
3813 (opts-common.o): New.
3815 * common.opt (gcoff): Add Negative(gdwarf-2).
3816 (gdwarf-2): Add Negative(gstabs).
3817 (gstabs): Add Negative(gstabs+).
3818 (gstabs+): Add Negative(gvms).
3819 (gvms): Add Negative(gxcoff).
3820 (gxcoff): Add Negative(gxcoff+).
3821 (gxcoff+): Add Negative(gcoff).
3822 * config/i386/i386.opt (m32): Add Negative(m64).
3823 (m64): Add Negative(m32).
3825 * doc/options.texi: Document the Negative option.
3827 * gcc.c: Include "opts.h".
3828 (main): Call prune_options after expandargv.
3830 * optc-gen.awk: Generate common declarations for all flag
3831 variables in options.c. Output the neg_index field.
3833 * opts.c (find_opt): Moved to ...
3834 * opts-common.c: Here. New file.
3836 * opts.h (cl_option): Add a neg_index field.
3838 (prune_options): Likewise.
3840 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3843 * omp-low.c (expand_omp_parallel): Don't assert
3844 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3845 instead search for it.
3848 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3851 2006-05-16 Andreas Schwab <schwab@suse.de>
3853 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3856 2006-05-15 Roger Sayle <roger@eyesopen.com>
3859 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3860 integer constants other than zero are only legitimate on TARGET_64BIT.
3861 <CONST_VECTOR> Only zero vectors are legitimate.
3862 (ix86_cannot_force_const_mem): Integral and vector constants can
3863 always be put in the constant pool.
3865 2006-05-16 DJ Delorie <dj@redhat.com>
3867 * crtstuff.c (__dso_handle): Set section from
3868 TARGET_LBIGCC_SDATA_SECTION if defined.
3869 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3870 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3872 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3875 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3878 2006-05-16 Ben Elliston <bje@au.ibm.com>
3880 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3882 2006-05-15 Per Bothner <per@bothner.com>
3884 * tree.c: (last_annotated_node): Use source_locus typedef.
3885 This permits bootstrapping with --enable-mapped-location.
3887 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3889 PR tree-optimization/26830
3890 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3891 (info_for_ssa_name, current_info_for_ssa_name_age,
3892 blocks_to_update): New variables.
3893 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3894 (clear_ssa_name_info, initialize_flags_in_bb,
3895 mark_block_for_update): New functions.
3896 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3897 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3898 prepare_def_site_for): Use mark_block_for_update.
3899 (mark_def_interesting): Assert that the processed block is marked in
3900 blocks_to_update. Do not take blocks argument.
3901 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3903 (rewrite_update_init_block, rewrite_update_stmt): Only process
3904 blocks with statements to rewrite.
3905 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3906 (update_ssa): Initialize and free blocks_to_update. Do not
3907 clear flags on statements. Do not use blocks bitmap.
3908 * tree.h (SSA_NAME_AUX): Removed.
3909 (struct tree_ssa_name): Removed aux field.
3910 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3912 2006-05-15 Richard Guenther <rguenther@suse.de>
3914 PR tree-optimization/27603
3915 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3916 Do computations in original type.
3918 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3920 * see.c: Code style changes such as redundant paranthesis,
3921 redundant intialization of local variables etc.
3922 (see_main): Declared now as static.
3923 * doc/invoke.texi: Update that -fsee is not enabled by
3926 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3928 * omp-low.c (check_omp_nesting_restrictions): New function.
3929 (scan_omp_1): Call it.
3932 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3933 construct, return *VAR.
3935 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3937 PR rtl-optimization/27406
3938 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3941 2006-05-14 Roger Sayle <roger@eyesopen.com>
3943 PR rtl-optimization/27538
3944 * combine.c (expand_compound_operation): Call gen_lowpart
3945 before calling simplify_shift_const.
3947 2006-05-14 Roger Sayle <roger@eyesopen.com>
3949 PR rtl-optimization/22563
3950 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3951 a fixed width bitfield, always force the intermediates into psuedos.
3953 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3956 * mkconfig.sh: Use operator = instead of == for test.
3958 2006-05-13 Nick Clifton <nickc@redhat.com>
3960 * dwarf2out.c (dbx_reg_number): Check return value from
3961 LEAF_REG_REMAP and only use it if it is valid.
3962 (multiple_reg_loc_descriptor): Likewise.
3964 2006-05-13 Richard Guenther <rguenther@suse.de>
3966 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3969 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3971 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3972 information attached to non-INSNs such as NOTEs.
3973 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3975 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3977 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3979 * config/s390/s390.md: Adjust comment describing On constraint.
3981 2006-05-11 Jan Hubicka <jh@suse.cz>
3983 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3984 to be output at -O0.
3986 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3989 * fold-const.c (size_binop): Move sanity check for arguments to
3990 the beginning of the function.
3993 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3996 2006-05-11 Richard Guenther <rguenther@suse.de>
3999 * fold-const.c (fold_unary): Handle intermediate conversion
4000 to a pointer type like intermediate conversion to an integer
4001 type in folding of (T1)(T2)var to var.
4002 Match the code to the comment in the final conversion for
4003 (T1)(T2)var to (T1)var regarding to type precision. Rather
4004 than disallow T1 being of pointer type, assert that both T1
4005 and var are of pointer type or not. Make sure not to fall
4006 over the frontends lazyness wrt array to pointer decay though.
4008 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4010 * arm.c (arm_struct_value_rtx): Delete.
4011 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4012 (arm_init_cumulative_args): Always initialize nregs to zero.
4014 2006-05-10 Richard Guenther <rguenther@suse.de>
4016 PR tree-optimization/27532
4017 * tree-object-size.c (plus_expr_object_size): Fix typo.
4019 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4022 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4023 ashrdi_const, ashrdi3): Use a scratch register.
4025 2006-05-10 Richard Guenther <rguenther@suse.de>
4027 PR tree-optimization/27302
4028 * fold-const.c (operand_equal_p): For two comparisons,
4029 try comparison of one comparison code swapped if that yields
4032 2006-05-10 Ben Elliston <bje@au.ibm.com>
4034 * tree-pretty-print.c (pretty_print_string): No need to handle
4035 '\0' as a special character.
4037 * tree.h: Include "hashtab.h".
4038 (iterative_hash_expr): Use hashval_t in its prototype.
4039 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4041 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4044 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4045 (hppa*64*-*-hpux11*): Ditto.
4046 (hppa[12]*-*-hpux11*): Ditto.
4048 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4051 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4053 2006-05-09 Michael Matz <matz@suse.de>
4055 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4056 host_extra_gcc_objs and host_xmake_file.
4057 (<*-*-linux*>): Don't overwrite host_xmake_file.
4058 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4059 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4060 (host_detect_local_cpu): Declare.
4061 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4062 * config/i386/i386.c (override_options): Handle -mtune=native
4064 * config/i386/x-i386: New file.
4065 * config/i386/driver-i386.c: New file.
4066 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4069 2006-05-09 Dirk Mueller <dmueller@suse.de>
4070 Richard Guenther <rguenther@suse.de>
4073 * fold-const.c (fold_read_from_constant_string): Relax check
4074 for matching types to matching modes.
4076 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4078 PR rtl-optimization/27335
4079 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4082 2006-05-08 Chao-ying Fu <fu@mips.com>
4083 Richard Sandiford <richard@codesourcery.com>
4085 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4086 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4087 * config/mips/mips.md (UNSPEC_SCC): New constant.
4088 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4089 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4090 (mips_emit_compare): Use it.
4091 (mips_expand_vcondv2sf): New function.
4093 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4095 Fix PR tree-optimization/27093
4096 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4097 renaming when they become not-used_alone.
4099 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4101 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4102 relocation and relocation stubs.
4104 2006-05-08 Eric Christopher <echristo@apple.com>
4106 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4109 2006-05-08 Jan Hubicka <jh@suse.cz>
4112 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4113 unused static functions are needed.
4115 2006-05-08 Roger Sayle <roger@eyesopen.com>
4118 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4119 of a reg_equiv_constant if the result is a legitimate constant.
4121 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4124 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4125 standard 80387 constants, raise the cost to prevent
4126 compress_float_constant() to generate load from memory.
4128 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4130 * config/arm/constraints.md (c): Fix a typo.
4132 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4135 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4138 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4140 (_mm_mwait): Likewise.
4142 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4144 (sse3_monitor): Make it 32bit only.
4145 (sse3_monitor64): New. 64bit monitor.
4147 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4150 * config/i386/i386.c (classify_argument): Skip fields with invalid
4153 2006-05-07 Richard Guenther <rguenther@suse.de>
4155 PR tree-optimization/27409
4156 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4157 Do not try to find zero-sized subvars.
4159 2006-05-07 Richard Guenther <rguenther@suse.de>
4161 PR tree-optimization/27136
4162 * tree-ssa-loop-niter.c (get_val_for): Correct function
4163 comment, assert requirements.
4164 (loop_niter_by_eval): Stop processing if the iterated
4165 value did not simplify.
4167 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4169 * opts.c (flag_see): remove its setting at -O3.
4171 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4173 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4174 * arm/constraints.md: New file.
4175 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4176 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4177 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4178 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4179 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4180 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4181 * arm.md: Include constraints.md.
4182 (thumb_movsi_insn): Use satisfies_constraint_J.
4183 (movhi, movqi): Use satisfies_constraint_I.
4185 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4187 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4188 for atmeg a645 device.
4190 2006-05-06 Richard Guenther <rguenther@suse.de>
4192 PR tree-optimization/27151
4193 * tree-vect-transform.c (vectorizable_condition): Punt on
4194 values that have a different type than the condition.
4196 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4199 * c-parser.c (c_parser_cast_expression): Only insert casts into
4200 hash table if pointer.
4201 * function.c (used_types_insert_helper): Rename from
4203 (used_types_insert): Call used_types_insert_helper.
4204 * function.h (used_types_insert): Accept only one argument.
4206 2006-05-05 David Edelsohn <edesohn@gnu.org>
4208 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4209 scratch with output modifier.
4211 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4214 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4215 with output modifier.
4217 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4220 * config/mips/mips.c (mips_symbolic_address_p): Return true
4221 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4222 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4224 2006-05-04 Richard Guenther <rguenther@suse.de>
4226 PR tree-optimization/14287
4227 PR tree-optimization/14844
4228 PR tree-optimization/19792
4229 PR tree-optimization/21608
4230 PR tree-optimization/27090
4231 * tree-ssa-pre.c (try_combine_conversion): New function.
4232 (compute_avail): After constructing the value-handle
4233 expression, use try_combine_conversion to combine NOP_EXPRs
4234 with previous value-handle expressions and use the result if it
4237 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4239 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4241 2006-05-04 Jan Hubicka <jh@suse.cz>
4244 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4246 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4248 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4249 that this only matches CONST_INTs. All users changed to VOIDmode
4252 * config/bfin/bfin.c: Include "optabs.h".
4253 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4255 (enum bfin_builtins): Add a number of fractional and vector builtins.
4256 (bfin_init_builtins): Likewise.
4257 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4258 (safe_vector_operand, bfin_expand_binop_builtin,
4259 bfin_expand_unop_builtin): New functions.
4260 (bfin_expand_builtin): Handle the new builtins.
4261 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4264 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4267 * Makefile.in (OBJS-common): Add see.o.
4268 (see.o): Add dependencies.
4269 * common.opt (fsee): New flag for the see optimization was added.
4270 * opts.c (flag_see): Initialized.
4271 * passes.c (init_optimization_passes, pass_see): New pass.
4272 * rtl.h (see_main): Declaration as extern.
4273 * timevar.def (TV_SEE): New.
4274 * tree-pass.h (pass_see): Declaration as extern.
4275 * invoke.texi (-fsee): Document.
4276 * recog.c (validate_simplify_insn): New function.
4277 * recog.h (validate_simplify_insn): Declaration as extern.
4278 * df-problems.c (df_chain_dump): Check for NULL.
4280 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4281 Daniel Berlin <dberlin@dberlin.org>
4283 * cfgrtl.c (insert_insn_bb_end_new): New function.
4284 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4286 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4288 * df.h (struct web_entry): Moved from web.c.
4289 (union_defs): Declaration as extern.
4290 (unionfind_root): Likewise.
4291 (unionfind_union): Likewise.
4292 * web.c (struct web_entry): Moved to df.h.
4293 (unionfind_root): Remove static declaration.
4294 (unionfind_union): Likewise.
4295 (union_defs): Likewise and generalize to use callback function.
4296 (web_main): Update arguments for union_defs function call.
4298 2006-05-04 Richard Guenther <rguenther@suse.de>
4300 PR tree-optimization/26447
4301 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4302 produce SSA_NAME copies before the store stmt to avoid
4303 breaking exception handling.
4305 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4308 * gimplify.c (omp_is_private): If var is shared in some outer context,
4309 return false instead of true. Stop searching on parallel context
4312 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4315 * coverage.c: Use get_gcov_unsigned_t() instead of
4316 unsigned_type_node all over.
4318 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4320 PR tree-optimization/27381
4321 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4322 maintain the same immediate_use links.
4323 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4324 node rather than segfaulting.
4326 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4329 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4330 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4331 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4333 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4335 Fix PR tree-optimization/26626
4336 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4338 * tree-ssa-operands.c (access_can_touch_variable): Allow
4339 typecasting through union pointers.
4341 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4344 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4345 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4346 to find if var will be a global variable even in the nested context.
4347 (omp_copy_decl): Only check for global variable at the end, it might
4348 be overridden in outer contexts.
4349 (scan_sharing_clauses): For global variables don't create a field.
4350 (lower_rec_input_clauses): Do nothing for global shared variables.
4351 Emit a barrier at the end of ILIST if there were any decls in both
4352 firstprivate and lastprivate clauses.
4353 (lower_send_clauses): Do nothing for global variables except for
4356 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4358 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4359 of the correct signedness is returned.
4361 2006-05-02 Jeff Law <law@redhat.com>
4363 PR tree-optimization/27364
4364 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4365 multiply expressions.
4367 2006-05-02 Tom Tromey <tromey@redhat.com>
4369 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4371 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4374 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4375 -mthumb -fPIC are used.
4377 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4378 Joshua Kinard <kumba@gentoo.org>
4381 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4382 with 64-bit pointers.
4384 2006-05-02 Paul Brook <paul@codesourcery.com>
4386 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4388 (create_fix_barrier): Check that a suitable barrier location is
4390 (arm_reorg): Include ftmp->address in allowable range of addresses.
4392 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4395 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4398 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4401 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4402 around RESULT_DECL for result passed by reference.
4403 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4404 * omp-low.c (use_pointer_for_field): Don't look at
4405 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4406 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4407 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4408 time or var for passing by reference for
4409 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4410 TREE_ADDRESSABLE variables when passing by reference.
4412 * omp-low.c (dump_omp_region): Fix output formatting.
4415 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4416 (expand_omp_parallel): Likewise.
4417 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4420 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4421 on statement list containing also constructors and destructors.
4422 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4425 * except.c (duplicate_eh_regions): Fix clearing of
4426 cfun->eh->region_array entries.
4428 2006-05-01 DJ Delorie <dj@redhat.com>
4430 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4432 (gcc_cv_objdump): Likewise.
4433 * configure: Regenerated.
4435 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4438 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4439 templates for case 3 and 4.
4441 2006-05-01 DJ Delorie <dj@redhat.com>
4443 * vec.c: Include bconfig.h when appropriate.
4444 * Makefile.in (build/vec.o): Adjust dependencies.
4445 * mkconfig.sh: Make sure config.h isn't used for build machine
4448 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4450 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4452 (mark_phi_for_rewrite): New function.
4453 (insert_phi_nodes_for, mark_use_interesting): Call
4454 mark_phi_for_rewrite.
4455 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4456 (update_ssa): Initialize and free phis_to_rewrite.
4458 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4460 PR rtl-optimization/27291
4461 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4462 folded to a constant.
4464 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4466 PR tree-optimization/27283
4467 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4468 not whole # of iteration descriptions.
4469 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4470 uses abnormal ssa name.
4471 (niter_for_single_dom_exit): Ditto.
4472 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4473 return just the number of iterations.
4475 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4477 PR tree-optimization/27144
4478 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4479 (record_estimate): Only record constant upper bound.
4480 (infer_loop_bounds_from_undefined): Call
4481 compute_estimated_nb_iterations just once.
4482 (proved_non_wrapping_p): Renamed to ...
4483 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4484 (convert_step_widening, scev_probably_wraps_p): Call
4485 n_of_executions_at_most instead of proved_non_wrapping_p.
4486 (substitute_in_loop_info): Do not replace values in bounds.
4487 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4490 2006-05-01 Richard Henderson <rth@redhat.com>
4493 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4494 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4497 2006-05-01 Roger Sayle <roger@eyesopen.com>
4499 * c-typeck.c (parser_build_binary_op): Don't call the function
4500 unsigned_conversion_warning to spot operand/result type overflow.
4501 (build_binary_op): Instead, call convert_and_check instead of
4502 convert to report the problem when the operands are promoted.
4503 * c-common.c (unsigned_conversion_warning): Make static.
4504 * c-common.h (unsigned_conversion_warning): Delete prototype.
4506 2006-05-01 Richard Guenther <rguenther@suse.de>
4508 PR tree-optimization/26726
4509 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4511 (find_interesting_uses_address): ... we work around here
4512 by folding INDIRECT_REFs in the substituted base.
4514 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4516 * omp-low.c (dump_omp_region): Add newlines.
4518 2006-04-30 Roger Sayle <roger@eyesopen.com>
4520 * common.opt (Woverflow): New command line option.
4521 * c-common.c (constant_expression_warning): Check warn_overflow.
4522 (overflow_waring): Pass OPT_Woverflow to warning.
4523 (unsigned_conversion_warning): Likewise.
4524 (convert_and_check): Likewise.
4525 * doc/invoke.texi: Document new command line option.
4527 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4529 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4530 TARGET_NO_FP_IN_TOC for section anchors.
4531 (optimization_options): Enable section anchors for all
4532 non-"Objective" languages.
4534 2006-04-28 Eric Christopher <echristo@apple.com>
4536 * config/darwin-c.c (darwin_ms_struct): Move this
4537 (darwin_set_default_type_attributes): and this...
4538 * config/darwin.c: ... here.
4539 * config/darwin.h (darwin_ms_struct): Declare.
4541 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4543 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4545 2006-04-28 Roger Sayle <roger@eyesopen.com>
4548 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4549 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4550 an unsigned HOST_WIDE_INT.
4551 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4553 (really_start_incremental_init): No need to call convert because
4554 bitsize_zero_node is already of type bitsizetype.
4555 (push_init_level): Extract the value of constructor_index as an
4556 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4557 (process_init_element): Likewise.
4559 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4561 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4562 value before passing to make_relative_prefix.
4564 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4567 * builtins.c (expand_builtin_memset): Expand val in original mode.
4569 2006-04-27 Eric Christopher <echristo@apple.com>
4571 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4572 with #ifndef/#endif.
4573 * config/darwin-c.c (darwin_ms_struct): New.
4574 (darwin_pragma_ms_struct): Ditto.
4575 (darwin_set_default_type_attributes): Ditto.
4576 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4577 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4578 Register ms_struct pragma.
4579 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4580 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4581 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4582 darwin_set_default_type_attributes if TARGET_MACHO.
4584 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4586 PR tree-optimization/26854
4587 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4588 * doc/tree-ssa.texi: Update immuse iterator documentation.
4589 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4590 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4591 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4592 first_safe_imm_use, next_safe_imm_use): Remove.
4593 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4594 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4595 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4596 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4597 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4598 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4599 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4600 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4601 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4602 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4603 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4604 (perfect_nestify): Use new iterator.
4605 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4607 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4608 (next_imm_name): New field in struct immediate_use_iterator_d.
4609 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4610 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4611 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4612 * tree-cfg.c (replace_uses_by): Use new iterator.
4613 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4614 * tree-ssa-operands.c (correct_use_link): Remove.
4615 (finalize_ssa_use_ops): No longer call correct_use_link.
4617 2006-04-27 Stuart Hastings <stuart@apple.com>
4619 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4620 * config/t-darwin (crt3.o): Use it.
4621 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4622 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4623 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4624 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4625 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4628 2006-04-27 Roger Sayle <roger@eyesopen.com>
4630 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4631 size, force the intermediate into a new pseudo rather instead of
4632 performing both a bitwise AND and a bitwise IOR in memory.
4634 2006-04-27 Richard Guenther <rguenther@suse.de>
4636 PR rtl-optimization/26685
4637 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4638 this one "max-flow-memory-locations".
4640 2006-04-27 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/25148
4643 * tree-vrp.c (compare_values): Remove code dealing with
4644 comparisons against type min/max value. Honour overflow
4645 and negative constants in code dealing with comparisons
4646 of plus and minus expressions.
4647 (value_inside_range): Use fold_binary with LE_EXPR and
4648 GE_EXPR rather than compare_values.
4650 2006-04-27 Dirk Mueller <dmueller@suse.de>
4652 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4655 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4657 * basic-block.h (safe_insert_insn_on_edge): Removed.
4658 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4660 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4661 Paolo Bonzini <bonzini@gnu.org>
4664 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4665 (simplify_and_const_int): Same.
4667 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4669 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4671 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4674 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4675 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4676 cgraph_global_info_ready.
4679 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4682 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4683 either decl or init is error_mark_node.
4686 * tree-flow.h (struct omp_region): Add sched_kind.
4687 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4688 instead of extracting omp for data.
4689 (expand_omp_for): Save extracted sched_kind.
4691 2006-04-25 Roger Sayle <roger@eyesopen.com>
4693 * expmed.c (store_bit_field): Also check whether the bitsize is
4694 valid for the machine's "insv" instruction before moving the
4695 target into a pseudo for use with the insv.
4696 * config/i386/predicates.md (const8_operand): New predicate.
4697 * config/i386/i386.md (extv, extzv, insv): Use the new
4698 const8_operand predicate where appropriate.
4700 2006-04-25 DJ Delorie <dj@redhat.com>
4702 * doc/install.texi (Specific): Clarify that this is not a list of
4703 supported hosts or targets.
4705 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4707 PR rtl-optimization/26725
4708 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4709 block's BB_DIRTY flag.
4711 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4713 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4716 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4717 to print an integer.
4719 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4721 * varasm.c (align_variable): New function.
4722 (get_block_for_decl): Apply align_variable to DECL before
4723 calculating section information.
4724 (assemble_variable): Split out alignment computation.
4726 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4728 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4731 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4733 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4734 MODE_PARTIAL_INT mode.
4735 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4736 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4738 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4739 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4741 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4743 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4745 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4746 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4747 MACFLAG_IH): Likewise.
4748 (movstricthi_1): Renamed from "*movstricthi".
4749 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4750 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4751 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4752 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4753 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4754 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4755 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4756 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4757 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4758 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4759 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4760 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4761 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4762 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4763 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4765 * doc/rtl.texi (ss_ashift): Improve wording.
4767 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4769 * dwarf2out.c (verify_marks_clear): New.
4770 (prune_unused_types): Call verify_marks_clear initially, not
4773 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4775 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4776 * doc/rtl.texi: Document them.
4777 * simplify-rtx.c (simplify_unary_operation,
4778 simplify_binary_operation_1): Don't abort when we see them.
4780 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4783 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4784 * configure.ac: Completely disregard languages that are not
4786 * configure: Regenerated.
4788 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4789 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/27236
4792 * tree-inline.c (copy_body_r): Make sure to copy
4793 TREE_THIS_VOLATILE flag.
4795 2006-04-24 Richard Guenther <rguenther@suse.de>
4798 * tree-complex.c (update_parameter_components): Don't handle
4799 unused parameters which have no default def.
4801 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4802 Richard Guenther <rguenther@suse.de>
4804 PR tree-optimization/27218
4805 * tree-inline.c (expand_call_inline): Strip useless type
4806 conversions for the return slot address.
4808 2006-04-24 Richard Guenther <rguenther@suse.de>
4810 * cfgloop.h (struct loops): Remove unused field array. Reorder
4812 (LOOP_PREFETCH): Remove.
4814 2006-04-24 Richard Guenther <rguenther@suse.de>
4816 PR tree-optimization/22525
4817 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4818 variable, adjust types of generated expressions.
4820 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4822 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4823 (tree-vect-patterns.o): Likewise.
4825 (cselib.o): Likewise.
4826 (loop-doloop.o): Likewise.
4827 (regclass.o): Likewise.
4828 (reload1.o): Likewise.
4829 (explow.o): Replace target.h with $(TARGET_H).
4830 (ipa-prop.o): Likewise.
4831 (ipa-cp.o): Likewise.
4832 (ipa-inline.o): Likewise.
4833 (reorg.o): Likewise.
4834 (reg-stack.o): Likewise.
4836 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4838 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4840 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4842 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4844 * configure.ac: Completely disregard languages that are not
4846 * configure: Regenerated.
4849 * c-common.h (c_build_bitfield_integer_type): Declare.
4850 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4851 * c-common.c (c_build_bitfield_integer_type): ... here.
4853 2006-04-23 Roger Sayle <roger@eyesopen.com>
4856 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4857 a SImode SUBREG of a floating point register after no_new_pseudos.
4859 2006-04-23 Roger Sayle <roger@eyesopen.com>
4861 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4862 identify potentially eliminable registers to additionally catch
4863 VIRTUAL_INCOMING_ARGS_REGNUM.
4864 (addsi3): Update the conditions on when to use addsi_small_int.
4866 2006-04-23 Roger Sayle <roger@eyesopen.com>
4869 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4870 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4871 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4873 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4875 * fold-const.c (range_predecessor): Use operand_equal_p
4876 as the predicate for equality.
4877 (range_successor): Likewise.
4879 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4882 * config/soft-fp/op-common.h: Fix a typo.
4884 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4887 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4888 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4890 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4892 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4894 * doc/tm.texi: Fix a typo.
4896 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4898 * dwarf2out.c (struct die_struct): Document that die_sib makes
4899 a circular linked list.
4900 (FOR_EACH_CHILD): New.
4901 (reverse_die_lists): Delete.
4902 (reverse_all_dies): Delete.
4903 (add_dwarf_attr): Correct documentation.
4904 (remove_child_with_prev): New.
4905 (remove_child_TAG): Update for change to die_struct, use
4906 remove_child_with_prev.
4907 (add_child_die): Update for change to die_struct.
4908 (splice_child_die): Use remove_child_with_prev and add_child_die.
4909 (print_die): Use FOR_EACH_CHILD.
4910 (die_checksum): Likewise.
4911 (assign_symbol_names): Likewise.
4912 (output_location_lists): Likewise.
4913 (build_abbrev_table): Likewise.
4914 (calc_die_sizes): Likewise.
4915 (mark_dies): Likewise.
4916 (unmark_dies): Likewise.
4917 (unmark_all_dies): Likewise.
4918 (output_die): Likewise.
4919 (prune_unused_types_mark): Likewise.
4920 (prune_unused_types_walk): Likewise.
4921 (same_die_p): Update for change to die_struct.
4922 (break_out_includes): Likewise.
4923 (prune_unused_types_prune): Likewise.
4924 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4925 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4927 (dwarf2out_finish): Don't call reverse_all_dies.
4929 2006-04-21 Eric Christopher <echristo@apple.com>
4931 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4932 in comments and function names.
4934 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4937 * c-typeck.c (digest_init): Robustify.
4939 * c-typeck.c (pop_init_level): Simplify.
4941 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4943 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4945 2006-04-21 Paul Brook <paul@codesourcery.com>
4947 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4948 hardware floating point.
4950 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4952 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4955 2006-04-21 Nick Clifton <nickc@redhat.com>
4957 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4960 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4963 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4964 C++ lang type in traceback table for Objective-C++.
4966 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4968 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4970 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4972 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4975 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4976 were errors. Remove check for erroneous objects.
4978 2006-04-20 Jeff Law <law@redhat.com>
4980 PR tree-optimization/26854
4981 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4982 checking for zero or one use.
4983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4984 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4985 * tree-ssa-reassoc.c (negate_value): Similarly.
4986 (reassociate_bb): Similarly.
4988 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4990 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4991 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4992 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4994 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4996 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4997 fp regs if the last fp arg doesn't fit in regs.
4999 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5002 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5003 that the last insn has the REG_INC note.
5005 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5006 Nathan Sidwell <nathan@codesourcery.com>
5009 * stor-layout.c (update_alignment_for_field): Do not align
5011 (place_union_field): Place union field at the start of the union.
5012 (place_field): Move ERROR_MARK check later, and use the current
5013 allocation position to maintain monotonicity.
5015 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5017 * dominance.c: Include timevar.h.
5018 (calculate_dominance_info): Use TV_DOMINANCE.
5019 * timevar.def (TV_DOMINANCE): New timevar.
5020 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5022 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5024 PR rtl-optimization/14261
5025 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5026 move would be an INSV insn.
5027 (noce_process_if_block): Don't optimize if the destination is a
5028 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5030 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5032 * config/s390/s390.md: Add comments with the instructions emitted
5033 by an insn pattern if macros are used.
5035 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5037 PR rtl-optimization/26026
5038 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5039 is a known power of two shifted left a variable amount.
5041 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5043 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5044 to hash table twice when the debug_str section has SECTION_MERGE.
5046 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5048 * config/soft-fp: New directory. From glibc.
5049 * config/soft-fp/t-softfp: New.
5050 * config/soft-fp/README: New.
5051 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5052 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5053 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5054 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5055 * config.gcc: Use rs6000/t-fprules-fpbit or
5056 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5058 * config/rs6000/sfp-machine.h: New. Based on glibc.
5059 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5061 * config/rs6000/t-fprules: Remove fp-bit rules.
5062 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5063 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5064 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5065 (softfp_wrap_start, softfp_wrap_end): New.
5067 2006-04-18 DJ Delorie <dj@redhat.com>
5069 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5071 2006-04-18 Devang Patel <dpatel@apple.com>
5073 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5075 2006-04-18 Nick Clifton <nickc@redhat.com>
5077 * config/sh/t-symbian: Add rule to build sh-c.o
5078 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5079 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5080 (sh_symbian_encode_section_info): Likewise.
5082 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5084 * builtins.c (expand_builtin_strcmp): Cover label definition of
5085 do_libcall with HAVE_cmpstrnsi.
5087 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5089 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5091 * function.h (temp_slot_p): New.
5092 (function): Change the type of x_used_temp_slots to
5093 VEC(temp_slot_p,gc) *.
5095 2006-04-18 Nick Clifton <nickc@redhat.com>
5097 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5098 flag_strength_reduce.
5100 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5102 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5106 Partial revert of revision 112637
5107 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5108 Dale Johannesen <dalej@apple.com>
5111 * regclass.c (struct reg_pref): Update documentation.
5112 (regclass): Set prefclass to NO_REGS if memory is the best option.
5113 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5115 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5117 PR tree-optimization/26821
5118 * tree-ssa-math-opts.c (get_constant_one): New.
5119 (insert_reciprocals): Use it.
5121 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5123 * dwarf2out.c (free_AT): Delete.
5124 (remove_AT): Update string ref counts.
5125 (remove_child_TAG): Don't call free_die.
5127 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5128 or DW_TAG_GNU_EINCL.
5129 (prune_unused_types_walk_attribs): Reset string refcounts.
5130 (prune_unused_types_update_strings): New.
5131 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5132 call free_die. Do call prune_unused_types_update_strings.
5133 (prune_unused_types): Empty debug_str_hash.
5135 2006-04-17 Roger Sayle <roger@eyesopen.com>
5137 * expr.c (expand_assignment): Optimize away no-op moves where the
5138 source and destination are equal and have no side-effects.
5140 2006-04-17 Richard Guenther <rguenther@suse.de>
5143 * reload.c (push_reload): Guard calls to get_secondary_mem
5146 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5148 * alias.c (reg_base_value, old_reg_base_value): Change the
5149 type to VEC(rtx,gc) *.
5150 (REG_BASE_VALUE, find_base_value, record_set,
5151 init_alias_analysis): Use VEC instead of VARRAY.
5153 * alias.c (alias_sets): Change the type to
5154 VEC(alias_set_entry,gc) *.
5155 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5156 VEC instead of VARRAY.
5157 (last_alias_set): Remove.
5159 * cgraph.h (cgraph_edge_p): New.
5160 Update the prototype of cgraph_function_versioning.
5161 * cgraphunit.c (cgraph_copy_node_for_versioning,
5162 cgraph_function_versioning): Use VEC instead of VARRAY.
5163 * ipa-cp.c (ipcp_insert_stage): Likewise.
5165 2006-04-16 Roger Sayle <roger@eyesopen.com>
5168 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5169 "A op B" or "A op C", we may need to convert A to the type of B and C.
5171 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5173 * target.h (struct gcc_target): Add mode_rep_extended.
5174 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5175 (init_num_sign_bit_copies_in_rep): Initialize it using
5177 (truncate_to_mode): Use it.
5178 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5179 * targhooks.h (default_mode_rep_extended): Declare it.
5180 * targhooks.c (default_mode_rep_extended): Define it.
5181 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5182 default_mode_rep_extended.
5183 (TARGET_INITIALIZER): Include it.
5184 * doc/tm.texi (Misc): Document it.
5185 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5186 (mips_truncated_to_mode): New function.
5188 2006-04-16 Roger Sayle <roger@eyesopen.com>
5191 * expr.c (compress_float_constant): Copy the narrow constant into
5192 a new pseudo before extending it to its final width.
5194 2006-04-16 Roger Sayle <roger@eyesopen.com>
5195 Andrew Pinski <pinskia@gcc.gnu.org>
5196 Dale Johannesen <dalej@apple.com>
5199 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5200 special case code to implement V8HImode and V16QImode with SSE2.
5202 2006-04-15 Roger Sayle <roger@eyesopen.com>
5204 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5205 trees are constructed with a suitable tree type.
5207 2006-04-15 Roger Sayle <roger@eyesopen.com>
5209 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5210 (integer_onep): Likewise.
5211 (integer_all_onesp): Likewise.
5212 (integer_pow2p): Likewise.
5213 (integer_nonzerop): Likewise.
5214 (real_zerop): Likewise.
5215 (real_onep): Likewise.
5216 (real_twop): Likewise.
5217 (real_minus_onep): Likewise.
5218 (int_size_in_bytes): Likewise.
5219 (host_integerp): Likewise.
5221 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5223 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5224 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5225 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5227 * tree-ssa-structalias.h (alias_info): Remove num_references.
5229 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5231 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5232 (output_bvb patterns): Likewise.
5233 * pa.c (output_bb): Use 'bb' insn for long branch case.
5234 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5235 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5236 1. Correct length operand for alternatives 1 and 2.
5237 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5238 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5240 2006-04-14 Roger Sayle <roger@eyesopen.com>
5242 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5243 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5244 were accidentally reverted by r112959.
5246 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5249 * except.h (eh_region_outermost): New prototype.
5250 * except.c (eh_region_outermost): New function.
5251 * tree-cfg.c (find_outermost_region_in_block): Use it.
5253 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5255 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5257 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5258 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5259 (init_reload, reload): Use VEC instead of VARRAY.
5260 * reload.h: Update the prototype for
5261 reg_equiv_memory_loc_varray.
5263 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5264 Eric Botcazou <ebotcazou@libertysurf.fr>
5266 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5269 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5272 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5273 to expand fallback builtin function call.
5275 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5278 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5279 and emit libcall here in case the builtin fails.
5280 (expand_builtin_strcmp): Always emit the libcall here on failure.
5282 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5284 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5285 * flow.c (reg_n_info): Change the type to
5286 VEC(reg_info_p,heap) *.
5287 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5289 * regs.h (reg_info_p): New.
5290 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5291 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5292 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5295 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5297 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5299 * params.h (MAX_SCHED_READY_INSNS): New macro.
5300 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5301 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5302 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5303 the ready list for 1 cycle during the first scheduling pass.
5304 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5306 2006-04-13 Richard Henderson <rth@redhat.com>
5309 * gimple-low.c (lower_omp_directive): Remove dead code.
5310 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5311 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5312 * omp-low.c (struct omp_region): Move to tree-flow.h.
5313 (root_omp_region): Export.
5314 (omp_regions, lookup_omp_region): Remove.
5315 (determine_parallel_type): Update for struct omp_region changes.
5316 (dump_omp_region): Dump regions with block numbers.
5317 (new_omp_region): Take type and block instead of stmt; malloc
5319 (free_omp_region_1, free_omp_regions): New.
5320 (expand_parallel_call): Take entry_stmt as argument; update for
5321 changes to omp_region.
5322 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5323 (remove_exit_barriers): New.
5324 (expand_omp_parallel): Update for struct omp_region changes.
5325 (expand_omp_synch): Likewise.
5326 (expand_omp): Likewise.
5327 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5328 (expand_omp_for_static_chunk): Likewise.
5329 (expand_omp_for): Likewise.
5330 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5331 (expand_omp_sections): Similarly, with GOMP_sections_end.
5332 (expand_omp_single): New.
5333 (build_omp_regions_1): Update for OMP_CONTINUE.
5334 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5335 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5336 OMP_SECTIONS_SECTIONS.
5337 (lower_omp_single_simple): Don't emit barrier here.
5338 (lower_omp_single_copy): Likewise.
5339 (lower_omp_single): Fix bindings, and lower to straightline now.
5340 (lower_omp_master, lower_omp_ordered): Likewise.
5341 (lower_omp_critical): Likewise.
5342 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5343 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5344 omp edges, free it afterward.
5345 (make_omp_sections_edges): Remove.
5346 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5347 (move_stmt_r): Handle OMP_CONTINUE.
5348 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5349 statement pointers to basic blocks. Add type member.
5350 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5351 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5352 * tree-inline.c (estimate_num_insns_1): Likewise.
5353 * tree-pretty-print.c (dump_generic_node): Likewise.
5354 * tree-ssa-operands.c (get_expr_operands): Likewise.
5355 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5356 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5357 (OMP_CONTINUE): New.
5358 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5359 (OMP_SECTIONS_SECTIONS): Remove.
5360 (OMP_SECTION_LAST): New.
5361 (OMP_RETURN_NOWAIT): New.
5363 2006-04-13 Roger Sayle <roger@eyesopen.com>
5365 * fold-const.c (native_encode_vector, native_interpret_real):
5366 Correct obvious mistakes in the previous check-in.
5368 2006-04-13 Roger Sayle <roger@eyesopen.com>
5370 * fold-const.c (native_encode_expr): New function to encode
5371 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5372 or VECTOR_CST into a specified buffer.
5373 (native_encode_int): New function.
5374 (native_encode_real): New function.
5375 (native_encode_complex): New function.
5376 (native_encode_vector): New function.
5377 (native_interpret_expr): Inverse of native_encode_expr to convert
5378 a target representation into an INTEGER_CST, REAL_CST etc...
5379 (native_interpret_int): New function.
5380 (native_interpret_real): New function.
5381 (native_interpret_complex): New function.
5382 (native_interpret_vector): New function.
5383 (fold_view_convert_expr): New function to constant fold/evaluate
5384 a VIEW_CONVERT_EXPR of a suitable constant expression.
5385 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5386 Change call of build1 to fold_build1 when constructing a
5389 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5390 Ulrich Weigand <uweigand@de.ibm.com>
5393 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5396 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5399 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5400 optimize to lo_sum for DFmode if !TARGET_FPRS.
5402 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5404 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5405 delete_alias_info, compute_flow_sensitive_aliasing,
5406 group_aliases): Use VEC instead of VARRAY.
5407 * tree-ssa-structalias.c (update_alias_info): Likewise.
5408 * tree-ssa-structalias.h (alias_info): Change the type of
5409 processed_ptrs to VEC(tree,heap) *.
5411 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5414 * config/sh/lib1funcs.h: New file, broken out of:
5415 * config/sh/lib1funcs.asm.
5416 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5418 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5419 * config/sh/lib1funcs-Os-4-200.asm: New file.
5420 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5421 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5422 (EXTRA_MULTILIB_PARTS): Include it.
5423 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5424 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5425 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5426 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5429 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5431 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5432 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5433 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5435 * tree-ssa-live.h: Include vecprim.h.
5436 (tree_partition_associator_d): Change the type of
5437 first_partition to VEC(int,heap) *.
5438 (tpa_first_partition): Use VEC instead of VARRAY.
5440 * Makefile.in (GTFILES): Move functions.h after tree.h.
5441 * function.c (reset_block_changes, record_block_change,
5442 check_block_change, free_block_changes): Use VEC instead of
5444 * function.h (function): Change the type of
5445 ib_boundaries_block to VEC(tree,gc) *.
5446 * tree-inline.c (copy_cfg_body): Initialize
5447 ib_boundaries_block to NULL instead of (varray_type) 0.
5449 2006-04-12 Roger Sayle <roger@eyesopen.com>
5451 * expr.c (emit_group_store): Correct operand order in call to
5452 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5453 a SUBREG_BYTE of zero.
5455 2006-04-12 Richard Guenther <rguenther@suse.de>
5457 * profile.c (compute_branch_probabilities): Remove code
5458 encapsulated in !ir_type (), which are remanents of the
5459 removed RTL profiling code.
5460 * rtl-profile.c: Remove.
5462 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5464 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5465 magic NULL_RTX comment.
5466 (function_arg): Store entire fp arg to mem if any part should go
5468 (rs6000_arg_partial_bytes): Adjust for above change.
5470 2006-04-11 Roger Sayle <roger@eyesopen.com>
5472 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5473 if it hasn't been initialized by dwarf2out_init.
5475 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5477 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5478 symbolic constants in branch patterns.
5480 2006-04-11 Roger Sayle <roger@eyesopen.com>
5482 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5484 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5486 PR rtl-optimization/27073
5487 * gcse.c (try_replace_reg): Revert last change. Continue to search
5488 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5491 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5493 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5494 aggregate types other than record and union types.
5495 (function_arg): Likewise.
5496 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5498 (function_value): In 64-bit mode, return objects that require it
5501 2006-04-11 Roger Sayle <roger@eyesopen.com>
5503 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5505 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5507 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5509 2006-04-03 Jeff Law <law@redhat.com>
5512 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5513 alias information too.
5515 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5517 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5519 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5522 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5523 (premark_used_types_helper): New.
5524 (premark_used_types): New.
5525 (gen_subprogram_die): Call premark_used_types.
5526 (prune_unused_types_walk): Do not prune perennial dies.
5527 * function.c (used_types_insert): New.
5528 * function.h (struct function): Add used_types_hash field.
5529 (used_types_insert): Add prototype.
5530 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5531 * c-parser.c (c_parser_cast_expression): Save casted types in used
5534 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5537 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5538 rs6000_explicit_options.float_gprs.
5540 2006-04-10 Roger Sayle <roger@eyesopen.com>
5542 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5543 from ix86_expand_vector_init_low_nonzero. Take an additional
5544 one_var argument indicating which element is non-zero. Support
5545 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5546 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5547 with one_var instead of ix86_expand_vector_init_low_nonzero.
5549 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5551 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5552 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5553 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5554 build/genextract.o): Depend on vecprim.h.
5555 * cfglayout.c, df-problems.c, function.c, genextract.c,
5556 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5557 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5561 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5563 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5564 Declare VECs of this type.
5565 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5566 (remove_children): Delete.
5567 (add_dwarf_attr): Use VEC routines.
5568 (add_AT_flag): Update for changes to add_dwarf_attr.
5569 (add_AT_int): Likewise.
5570 (add_AT_unsigned): Likewise.
5571 (add_AT_long_long): Likewise.
5572 (add_AT_vec): Likewise.
5573 (add_AT_string): Likewise.
5574 (add_AT_die_ref): Likewise.
5575 (add_AT_fde_ref): Likewise.
5576 (add_AT_loc): Likewise.
5577 (add_AT_loc_list): Likewise.
5578 (add_AT_addr): Likewise.
5579 (add_AT_lbl_id): Likewise.
5580 (add_AT_lineptr): Likewise.
5581 (add_AT_macptr): Likewise.
5582 (add_AT_offset): Likewise.
5583 (add_AT_range_list): Likewise.
5584 (get_AT): Use VEC_iterate.
5585 (remove_AT): Use VEC_ordered_remove.
5586 (free_die): Fold remove_children into here; have it use VEC_iterate.
5587 (print_die): Use VEC_iterate on attrs.
5588 (reverse_die_lists): Don't reverse attr lists.
5589 (die_checksum): Use VEC_iterate on attrs.
5590 (same_die_p): Likewise.
5591 (output_location_lists): Likewise.
5592 (build_abbrev_table): Likewise.
5593 (size_of_die): Likewise.
5594 (unmark_all_dies): Likewise.
5595 (output_abbrev_section): Likewise.
5596 (output_die): Likewise.
5597 (prune_unused_types_walk_attribs): Likewise.
5599 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5601 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5603 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5606 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5608 2006-04-09 Roger Sayle <roger@eyesopen.com>
5610 * expr.c (store_constructor): Don't bother clearing target if
5611 we're about to assign a vector to it using vec_init_optab.
5613 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5615 * tree-ssa-alias.c (lhs_may_store_to): New function.
5616 (recalculate_used_alone): Handle LHS of calls.
5618 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5622 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5623 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5624 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5625 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5626 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5627 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5628 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5629 stubs. Add ".align 8" directives before all ".dword" directives.
5630 (GTHREAD_USE_WEAK): Revise comment.
5631 (TARGET_ATTRIBUTE_WEAK): Define.
5632 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5633 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5634 * stublib.c: New file.
5639 * pa.md (cbranch patterns): Revise arguments used in calls to
5640 output_cbranch, output_bb and output_bvd. Add long branch length
5642 (fbranch patterns): Handle long branches.
5643 (jump): Revise length check. Revise arguments for output_lbranch call.
5644 Add long branch length attributes.
5645 (decrement_and_branch_until_zero): Add long branch length attributes.
5646 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5647 Likewise. Revise arguments for output_parallel_addb and
5648 output_parallel_movb calls.
5649 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5650 output_parallel_movb and output_parallel_addb): Update prototypes.
5651 * pa.c (output_cbranch): Revise arguments. Correct handling of
5652 nullification in long branches.
5653 (output_lbranch): Add new argument to control extraction of delay
5655 (output_bb): Handle long branches.
5656 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5657 output_parallel_addb): Likewise.
5659 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5661 PR rtl-optimization/27073
5662 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5665 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5667 * tree.h (tree_memory_tag): Add old_used_alone.
5668 (SMT_OLD_USED_ALONE): New macro.
5669 * tree-ssa-alias.c (recalculate_used_alone): Stop
5670 marking things for renaming unnecessarily.
5672 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5674 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5675 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5676 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5677 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5678 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5679 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5680 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5681 spelling convensions.
5682 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5683 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5684 typos. Follow spelling conventions.
5686 2006-04-07 DJ Delorie <dj@redhat.com>
5688 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5689 passed on the stack.
5690 (m32c_init_cumulative_args): When a function returns a structure,
5691 always pass the pointer to that return area on the stack.
5692 (m32c_function_arg_advance): Don't increment the parameter number
5693 if we're processing the returned structure pointer.
5694 (pushm_info): Reverse order of registers.
5696 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5698 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5699 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5700 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5701 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5703 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5704 chrec_fold_multiply): Same.
5705 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5706 force_expr_to_var_cost): Same.
5707 * tree-mudflap.c (mf_xform_derefs_1): Same.
5708 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5710 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5712 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5713 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5716 2006-04-07 Jan Hubicka <jh@suse.cz>
5718 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5720 2006-04-07 Richard Guenther <rguenther@suse.de>
5722 PR tree-optimization/26135
5723 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5724 loads for store copy-prop.
5725 (copy_prop_visit_stmt): Likewise.
5727 2006-04-05 Robert Millan <robertmh@gnu.org>
5729 * config/i386/linux.h: Add a comment to mark macros that are
5730 being overriden in config/k*bsd-gnu.h.
5731 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5733 * config/knetbsd-gnu.h: Ditto.
5735 2006-04-06 Jan Hubicka <jh@suse.cz>
5739 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5742 2006-04-06 Mike Stump <mrs@apple.com>
5744 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5745 for HAVE_nonlocal_goto to be consistent.
5746 (expand_builtin_nonlocal_goto): Likewise.
5747 (expand_builtin_strcmp): Use #ifdef instead of #if
5748 for HAVE_cmpstrnsi to be consistent.
5750 2006-04-05 DJ Delorie <dj@redhat.com>
5752 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5755 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5757 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5758 got-relative addressing for anything but SImode.
5760 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5761 even if the calling function doesn't modify them.
5763 2006-04-05 Richard Guenther <rguenther@suse.de>
5765 PR tree-optimization/26919
5766 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5767 to cgraph_estimate_size_after_inlining.
5769 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5771 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5773 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5775 PR tree-optimization/26996
5776 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5777 VECTOR_TYPE variables.
5779 2006-04-05 Richard Guenther <rguenther@suse.de>
5781 PR tree-optimization/26763
5782 * fold-const.c (fold_comparison): Move folding of
5783 PTR + CST CMP PTR + CST ...
5784 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5786 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5788 * doc/install.texi (Prerequisites): Refine some wording on
5789 bootstrapping and ksh.
5790 Move the version numbers of DejaGnu here from the testing section
5791 and fix casing of names.
5792 Fix markup and clarify wording for autogen requirements.
5793 Refer to GCJ instead of just java.
5794 Refer to SVN instead of CVS.
5795 Describe diffutils as useful instead of necessary.
5796 (Downloading the source): Refer to SVN instead of CVS.
5797 Adjust a link to our web site accordingly.
5798 (Configuration): Fix casing of Bison.
5799 (Building): Refer to SVN instead of CVS.
5800 Fix a sentence on the use of Bison and remove duplicate (and
5801 incorrect) version number of Bison requirement.
5802 Remove one redundant list of packages needed for building.
5803 (Specific): Avoid reference to CVS.
5805 2006-04-04 Eric Christopher <echristo@apple.com>
5807 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5808 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5809 (rs6000_handle_struct_attribute): New.
5810 (rs6000_ms_bitfield_layout_p): Ditto.
5812 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5814 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5815 NULL for dso parameter to atexit_common.
5817 2006-04-04 Eric Christopher <echristo@apple.com>
5819 * config/i386/i386.c (machopic_output_stub): Output \t
5820 between instructions and operands.
5822 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5824 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5825 satisfies_constraint_[IL] to explicit tests on value.
5827 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5829 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5830 set_nb_iterations_in_loop): Use build_int_cst instead of
5832 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5833 build_int_cst instead of convert.
5835 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5837 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5838 new value 2 for incoming.
5839 * function.c (expand_function_start): Call struct_value_rtx
5841 * config/sparc/sparc.md: Comment updated_return.
5842 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5843 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5844 struct return if sparc_std_struct_return and incoming is 2.
5845 (print_operand): Do not adjust return if
5846 sparc_std_struct_return.
5848 2006-04-04 Roger Sayle <roger@eyesopen.com>
5850 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5851 convert in the middle-end.
5852 * expr.c (store_expr, store_constructor, get_inner_reference,
5853 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5855 * tree.c (build_range_type): Likewise.
5857 2006-04-04 Tom Tromey <tromey@redhat.com>
5859 * doc/install.texi (Prerequisites): Mention jar.
5861 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5863 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5866 2006-04-04 Matthias Klose <doko@debian.org>
5868 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5869 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5872 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5874 * doc/extend.texi (Function Attributes): Rewrite visibility
5875 attribute documentation.
5876 * doc/invoke.texi (C++ Dialect Options): Rewrite
5877 -fvisibility-inlines-hidden documentation to describe something
5878 entirely different, although in practise compatible.
5879 (Code Gen Options): Warn about system headers in -fvisibility=
5882 * doc/extend.texi (Other Builtins): Document that
5883 __builtin_nan is a compile-time constant only when its argument
5886 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5888 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5889 trying to remove TRUNCATE check if all bits outside the new mode
5890 are identical to the sign bit.
5892 2006-04-03 Jeff Law <law@redhat.com>
5894 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5895 and operand scanning in some common cases.
5897 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5898 Dale Johannesen <dalej@apple.com>
5901 * regclass.c (struct reg_pref): Update documentation.
5902 (regclass): Set prefclass to NO_REGS if memory is the best option.
5903 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5904 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5905 into account. For non-registers, equate an empty preferred
5906 reload class to a `!' in the constraint; move the if clause to
5907 do so after those that reject the insn.
5908 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5910 (find_dummy_reload): Likewise.
5911 * doc/tm.texi (Register Classes): Document what it means
5912 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5913 * config/i386/i386.c (ix86_preferred_reload_class): Force
5914 using SSE registers (and return NO_REGS for floating-point
5915 constants) if math is done with SSE.
5916 (ix86_preferred_output_reload_class): New.
5917 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5918 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5919 * config/i386/i386.md: Remove # register preferences.
5921 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5924 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5925 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5926 the type of nb_iter.
5927 (instantiate_parameters_1): Convert the operands before calling
5928 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5929 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5931 2006-04-02 Roger Sayle <roger@eyesopen.com>
5933 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5934 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5936 * dojump.c (do_jump): Likewise.
5937 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5938 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5939 gimplify_boolean_expr): Likewise.
5940 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5941 * varasm.c (array_size_for_constructor): Likewise.
5942 * tree-object-size.c (compute_object_offset): Likewise.
5944 2006-04-02 Roger Sayle <roger@eyesopen.com>
5947 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5948 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5950 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5952 PR tree-optimization/26939
5953 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5955 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5957 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5958 at_stmt. Convert the type of operands before calling
5959 build_polynomial_chrec.
5960 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5962 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5963 (instantiate_parameters_1): Convert the type of operands before calling
5964 build_polynomial_chrec.
5965 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5966 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5967 reset_evolution_in_loop): Insert asserts to check the types of the
5969 (chrec_type): Moved...
5970 (eq_evolutions_p): Use operand_equal_p.
5971 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5972 the types of the operands.
5973 (chrec_type): ...here.
5974 * tree-data-ref.c (create_data_ref): Convert the operands before
5975 calling chrec_replace_initial_condition.
5976 (same_access_functions, analyze_subscript_affine_affine,
5977 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5978 (compute_subscript_distance, analyze_ziv_subscript,
5979 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5980 analyze_miv_subscript): Convert the operands before calling
5981 chrec_fold_minus or chrec_fold_plus.
5983 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5985 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5986 the dependence_relations vector.
5987 (compute_data_dependences_for_loop): Adjust call to
5988 compute_all_dependences.
5990 2006-04-01 Roger Sayle <roger@eyesopen.com>
5991 Richard Henderson <rth@redhat.com>
5993 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5994 gimple_boolify on the condition before calling gimplify_expr.
5996 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5998 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5999 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6000 the frame size. Update to use the new macros.
6001 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6002 * config/xtensa/ieee754-df.S: Likewise.
6004 2006-03-31 Richard Henderson <rth@redhat.com>
6006 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6007 (make_edges): ... here. Control fallthru creation with a local
6008 variable. Do not play with fake edges.
6009 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6010 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6013 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6015 * dwarf2.h (DW64_CIE_ID): Define.
6016 * dwarf2out.c (DWARF_CIE_ID): Define.
6017 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6018 length header. Use DWARF_CIE_ID.
6019 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6020 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6022 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6024 * config/sh/linux-atomic.asm: New file.
6025 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6027 2006-03-31 DJ Delorie <dj@redhat.com>
6029 * config/m32c/cond.md: Set condition flags properly throughout.
6030 * config/m32c/minmax.md: Likewise.
6031 * config/m32c/prologue.md: Likewise.
6032 * config/m32c/bitops.md: Likewise.
6033 * config/m32c/muldiv.md: Likewise.
6034 * config/m32c/mov.md: Likewise.
6035 * config/m32c/addsub.md: Likewise.
6036 * config/m32c/m32c.md: Likewise.
6037 * config/m32c/jump.md: Likewise.
6038 * config/m32c/shift.md: Likewise.
6040 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6041 conditionally output the pattern for this.
6042 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6043 (m32c_compare_redundant): New.
6044 (m32c_output_compare): New.
6045 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6047 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6048 dest, not src. Allow other 4-byte modes.
6050 2006-03-30 Denis Chertykov <denisc@overta.ru>
6052 * doc/md.texi: Refer to avr/constraints.md instead of
6055 2006-03-30 Roger Sayle <roger@eyesopen.com>
6057 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6058 signed vs. unsigned comparison failures on some hosts.
6060 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6063 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6064 change to FLOAT_REGS.
6066 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6067 (rs6000_override_options): Use it.
6068 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6069 only for -mabi=spe/no-spe and -mabi=altivec.
6071 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6073 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6076 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6078 * Makefile.in: Rename docdir to gcc_docdir.
6080 2006-03-30 Roger Sayle <roger@eyesopen.com>
6083 * expr.c (emit_group_store): Optimize group stores into a pseudo
6084 register by using a paradoxical subreg to initialize the destination
6085 if the first or last member of the group specifies a "low part".
6087 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6090 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6091 * target.h (struct gcc_target.speculate_insn): Change type of the
6092 second parameter to 'int'.
6093 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6094 the second operand of the DEPS_LIST.
6095 (copy_DEPS_LIST_list): Update reference to the second operand of the
6097 * rtl.h (alloc_DEPS_LIST): Update signature.
6098 * sched-int.h (ds_t): Change typedef to 'int'.
6099 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6101 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6103 * haifa-sched.c (try_ready): Change condition to restore
6104 non-speculative pattern of the instruction.
6105 (process_insn_depend_be_in_spec): Code to keep probability of the
6106 speculative dependence non-decreasing.
6108 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6110 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6111 (single_move_for_movmem): ... this. Also change all uses.
6112 (bfin_expand_strmov): Renamed to...
6113 (bfin_expand_movmem): ... this. Also change all uses.
6114 * config/bfin/bfin.md (movstrsi): Renamed to...
6115 (movstrsi): ...this.
6117 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6119 PR tree-optimization/26830
6121 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6122 (copy_prop_visit_stmt): Remove write-only variable ann.
6123 (init_copy_prop): Check variable loop depth here. Do not simulate
6124 memory-tag and virtual operand PHIs except for store copy prop.
6126 2006-03-30 Richard Guenther <rguenther@suse.de>
6128 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6129 variants with double arguments.
6131 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6133 * genpreds.c (write_tm_constrs_h): Delete variable p.
6134 * genconditions.c (write_header): Add tm-constrs.h to included
6136 * genpeep.c (main): Add toplev.h to included headers.
6137 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6138 (build/genpeep.o): Add toplev.h dependency.
6139 * config/rs6000/constraints.md: Add "W" constraint.
6141 2006-03-29 Roger Sayle <roger@eyesopen.com>
6143 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6144 sizes by correctly testing whether the size fits a host integer.
6145 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6146 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6147 SImode range for the default sizetype and bitsizetype.
6149 2006-03-29 Roger Sayle <roger@eyesopen.com>
6151 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6152 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6153 quickly if the argument is already of the correct type.
6154 Call fold_build1 instead of build1. Tidy up blank lines.
6156 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6158 * genemit.c (main): Add tm-constrs.h to included headers.
6159 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6160 * genpeep.c (main): Add tm-constrs.h to included headers.
6161 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6162 (write_tm_constrs_h): this and write complete file.
6163 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6164 (write_insn_preds_c): Add tm-constrs.h to included headers.
6165 (gen_constrs): New variable.
6166 (parse_option): Parse "-c".
6167 (main): Invoke write_tm_constrs_h.
6168 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6169 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6170 (object_out_file): Add tm-constrs.h dependency.
6171 (insn-emit.o): Same.
6172 (insn-output.o): Same.
6173 (insn-peep.o): Same.
6174 (insn-preds.o): Same.
6175 (insn-recog.o): Same.
6176 (tm-constsr.h): New target.
6177 (s-constrs-h): New target.
6179 * config/rs6000/constraints.md: New file.
6180 * config/rs6000/rs6000.c: Include tm-constrs.h.
6181 (num_insn_constant_wide): Convert to satisfies_constraint.
6182 (rs6000_rtx_costs): Convert to satisfies_constraint.
6183 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6184 (CONST_OK_FOR_LETTER_P): Delete.
6185 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6186 (EXTRA_CONSTRAINT): Delete.
6187 (EXTRA_MEMORY_CONSTRAINT): Delete.
6188 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6189 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6190 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6191 satisfies_constraint.
6193 * config/i386/i386.c: Include tm-constrs.h.
6195 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6197 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6198 * tree-data-ref.c (find_data_references_in_loop,
6199 compute_data_dependences_for_loop): Use pointers to VEC.
6200 (analyze_all_data_dependences): Adjust calls.
6201 * tree-data-ref.h (find_data_references_in_loop,
6202 compute_data_dependences_for_loop): Adjust declarations.
6203 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6204 compute_data_dependences_for_loop.
6206 2006-03-29 Paul Brook <paul@codesourcery.com>
6208 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6211 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6213 PR tree-optimization/26859
6214 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6216 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6217 for the step after fold_convert.
6219 2006-03-29 Paul Brook <paul@codesourcery.com>
6221 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6222 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6224 2006-03-29 Paul Brook <paul@codesourcery.com>
6227 * targhooks.c (default_narrow_bitfield): New fuction.
6228 * targhooks.h (default_narrow_bitfield): add prototype.
6229 * target.h (gcc_target): Add narrow_volatile_bitfield.
6230 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6231 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6232 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6233 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6235 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6237 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6239 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6240 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6241 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6242 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6243 (s390_function_arg_float): Allow SDmode and DDmode values to be
6244 passed in floating point registers.
6245 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6246 check with SCALAR_FLOAT_MODE_P.
6247 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6249 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6251 PR tree-optimization/25985
6252 * tree-ssa-loop-niter.c (number_of_iterations_le,
6253 number_of_iterations_ne): Make comments more precise.
6254 (number_of_iterations_cond): Add only_exit argument. Use the
6255 fact that signed variables do not overflow only when only_exit
6257 (loop_only_exit_p): New.
6258 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6259 number_of_iterations_cond.
6261 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6263 PR tree-optimization/26643
6264 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6267 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6269 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6270 (divsi3_i4_int): Likewise.
6272 2006-03-28 Roger Sayle <roger@eyesopen.com>
6274 * expr.c (emit_group_store): Only create a new pseudo reg if the
6275 quantity it needs to hold isn't already a suitable pseudo.
6277 2006-03-28 Jeff Law <law@redhat.com>
6279 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6280 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6282 2006-03-28 Roger Sayle <roger@eyesopen.com>
6284 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6285 the equivalent ~X & Y, and the symmetry related transformations.
6286 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6287 ~X & Y, and symmetry related transforms.
6289 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6291 Revert my 2006-03-27 patches.
6293 2006-03-28 Roger Sayle <roger@eyesopen.com>
6295 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6296 ~(T1)X, when T1 and T2 are integer types of the same precision
6297 and (T2)X isn't an extension.
6299 2006-03-28 Jeff Law <law@redhat.com>
6301 PR tree-optimization/26796
6302 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6303 need EH edge cleanups rather than purging them immediately.
6304 (eliminate_degenerate_phis): Handle queued EH cleanups.
6306 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6308 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6311 2006-03-27 Roger Sayle <roger@eyesopen.com>
6314 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6315 cast BIT_NOT_EXPR operand to the correct type.
6317 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6319 * tree-loop-linear.c: Don't include varray.h.
6320 (gather_interchange_stats, try_interchange_loops,
6321 linear_transform_loops): Use VEC instead of VARRAY.
6322 * lambda-mat.c: Don't include varray.h.
6323 * tree-chrec.c: Same.
6324 * lambda-trans.c: Same.
6325 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6326 VEC instead of VARRAY.
6327 * tree-vectorizer.h: Idem.
6328 * tree-data-ref.c (dump_data_references,
6329 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6330 initialize_data_dependence_relation, finalize_ddr_dependent,
6331 compute_all_dependences, find_data_references_in_loop,
6332 compute_data_dependences_for_loop, analyze_all_data_dependences,
6333 free_dependence_relation, free_dependence_relations,
6334 free_data_refs): Idem.
6335 * tree-data-ref.h (data_reference_p, subscript_p): New.
6336 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6337 VEC instead of VARRAY.
6338 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6339 (find_data_references_in_loop, compute_data_dependences_for_loop,
6340 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6341 dump_data_dependence_relations, free_dependence_relations,
6342 free_data_refs): Adjust declaration.
6343 (lambda_transform_legal_p): Move declaration here...
6344 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6345 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6346 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6347 vect_analyze_data_refs): Use VEC instead of VARRAY.
6348 * lambda.h (lambda_transform_legal_p): ...from here.
6349 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6350 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6351 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6352 tree-chrec.o): Don't depend on VARRAY_H.
6354 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6356 * rtl.def (Copyright): Update date.
6357 (DEPS_LIST): Change type of the second operand to 'int'.
6358 * target.h (Copyright): Update date.
6359 (struct gcc_target.speculate_insn): Change type of the second parameter
6361 * lists.c (Copyright): Update date.
6362 (alloc_DEPS_LIST): Change signature. Update reference to the second
6363 operand of the DEPS_LIST.
6364 (copy_DEPS_LIST_list): Update reference to the second operand of the
6366 * rtl.h (Copyright): Update date.
6367 (alloc_DEPS_LIST): Update signature.
6368 * sched-int.h (Copyright): Update date.
6369 (ds_t): Change typedef to 'int'.
6370 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6372 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6374 * haifa-sched.c (Copyright): Update date.
6375 (try_ready): Change condition to restore non-speculative pattern
6377 (process_insn_depend_be_in_spec): Code to keep probability of the
6378 speculative dependence non-decreasing.
6380 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6382 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6383 shut up the compiler.
6385 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6387 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6388 to use lib prefix for target.
6389 ($(T)libic_invalidate_array_4-200.a): Likewise.
6390 ($(T)libic_invalidate_array_4a.a): Likewise.
6392 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6393 J"orn Rennecke <joern.rennecke@st.com>
6395 * superh.opt: New file.
6396 * sh.c (boardtype, osruntime): Remove.
6397 * superh.h (SUBTARGET_OPTIONS): Remove.
6398 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6400 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6401 arguments with ^ and/or [].
6403 * config.gcc (sh-*-*): Add quoting to account for quirk of
6405 Replace == with = in enable_incomplete_targets test.
6407 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6408 with MASK_LITTLE_ENDIAN.
6410 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6411 * config/sh/sh.opt: Added to some comments.
6412 * config/sh/superh.h: Removed some chaff.
6414 * config/sh/sh.opt: Add m4-[1234]00* options.
6415 * config/sh/sh.c (sh_handle_option): Likewise.
6416 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6417 (ic_invalidate_array_4-100.o): New rule.
6418 ($(T)libic_invalidate_array_4-100.a): Likewise.
6419 (ic_invalidate_array_4-200.o): Likewise.
6420 ($(T)libic_invalidate_array_4-200.a): Likewise.
6421 (ic_invalidate_array_4a.o): Likewise.
6422 ($(T)libic_invalidate_array_4a.a): Likewise.
6423 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6424 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6426 * config/sh/crt1.asm: Merged in profiling code.
6427 * config/sh/superh.h (STARTFILE_SPEC): Override.
6428 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6429 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6430 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6432 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6433 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6434 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6436 * sh.opt (mpretend-cmove): New option.
6437 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6438 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6439 (movsicc): Add TARGET_PRETEND_CMOVE code.
6441 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6443 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6444 s390_class_max_nregs): New function prototypes.
6445 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6446 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6447 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6448 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6450 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6452 * dwarf2out.c (add_location_or_const_value_attribute): Call
6453 tree_add_const_value_attribute if nothing else works.
6454 (reference_to_unused): New.
6455 (rtl_for_decl_init): Use reference_to_unused to decide whether
6456 to output an initializer.
6458 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6461 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6462 peephole removing spe frob_di_df_2.
6464 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6466 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6467 (subscript_dependence_tester_1): Declared.
6468 (print_dir_vectors, print_dist_vectors): New.
6469 (debug_data_dependence_relation): New.
6470 (dump_data_dependence_relation): Print more details.
6471 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6472 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6473 (save_dist_v, save_dir_v, add_outer_distances,
6474 build_classic_dist_vector_1): New.
6475 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6476 Don't test for lambda_vector_lexico_pos.
6477 (same_access_functions, add_multivariate_self_dist,
6478 add_other_self_distances, dir_from_dist): New.
6479 (build_classic_dir_vector): Replace implementation almost identical to
6480 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6482 (subscript_dependence_tester_1): New.
6483 (subscript_dependence_tester): Handle the lexicographically negative
6484 distance vectors by recomputing the dependence relation.
6485 (compute_affine_dependence): Remove parameter loop_nest_depth.
6486 (compute_self_dependence): Don't call compute_subscript_distance.
6487 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6488 Add a parameter for the loop_nest.
6489 (find_loop_nest_1, find_loop_nest): New.
6490 (compute_data_dependences_for_loop): Compute the loop nest, and give
6491 up if the nest is not well formed.
6492 * tree-data-ref.h (loop_p): New.
6493 (struct data_dependence_relation): Replace size_vect field with
6494 loop_nest, a vec of loops.
6495 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6496 (DDR_LOOP_NEST): New.
6497 (print_dir_vectors, print_dist_vectors,
6498 debug_data_dependence_relation): Declared.
6499 (index_in_loop_nest): New.
6500 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6501 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6504 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6506 * simplify-rtx.c (simplify_relational_operation): Call
6507 simplify_relational_operation_1 even if mode is VOIDmode.
6509 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6511 PR tree-optimization/26804
6512 * tree.h (DECL_CALL_CLOBBERED): New macro.
6513 (tree_decl_common): Add call_clobbered_flag.
6514 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6515 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6516 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6517 (mark_non_addressable): Ditto.
6518 * tree-ssa.c (verify_call_clobbered): New function.
6519 (verify_alias_info): Use it.
6520 * tree-pass.h (pass_reset_cc_flags): New prototype.
6521 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6522 (reset_cc_flags): New function.
6523 * passes.c (init_optimization_passes): Call reset_cc_flags after
6524 initializing referenced_vars.
6526 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6527 Roger Sayle <roger@eyesopen.com>
6530 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6531 to 1.0 for non-real operands. Implement A / A optimization for
6534 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6536 * config/i386/i386.c (size_cost): Correct the comment for
6537 cost of storing fp registers.
6538 (i386_cost): Likewise.
6539 (i486_cost): Likewise.
6540 (pentium_cost): Likewise.
6541 (pentiumpro_cost): Likewise.
6542 (k6_cost): Likewise.
6543 (athlon_cost): Likewise.
6544 (k8_cost): Likewise.
6545 (pentium4_cost): Likewise.
6546 (nocona_cost): Likewise.
6547 (generic64_cost): Likewise.
6548 (generic32_cost): Likewise.
6550 2006-03-24 Denis Chertykov <denisc@overta.ru>
6552 * config/avr/avr-protos.h (extra_constraint): Delete.
6553 (extra_constraint_Q): New declaration.
6554 * config/avr/constraints.md: New file.
6555 * config/avr/avr.md: Include it.
6556 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6557 (TMP_REGNO, ZERO_REGNO): Likewise.
6558 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6559 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6560 (extra_constraint): Delete.
6561 (extra_constraint_Q): Test for memory constraint 'Q'.
6562 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6563 (REG_CLASS_FROM_LETTER): Delete.
6564 (CONST_OK_FOR_LETTER_P): Delete.
6565 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6566 (EXTRA_CONSTRAINT): Delete.
6567 (TMP_REGNO): Delete.
6568 (ZERO_REGNO): Delete.
6570 2006-03-24 Jeff Law <law@redhat.com>
6572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6573 directly. Call mark_new_vars_to_rename slightly earlier.
6575 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6577 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6579 (gen_compile_unit_die): Use new language types for Objective-C and
6581 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6582 DW_LANG_C_plus_plus.
6585 * config/t-darwin (crt3.o): Work around bug 26840.
6586 * config/darwin-crt3.c: Rewrite.
6587 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6589 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6591 * doc/invoke.texi: Document -femit-class-debug-always
6592 * common.opt: Add -femit-class-debug-always.
6594 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6596 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6597 index and base register.
6598 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6599 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6600 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6601 REGNO_OK_FOR_INDEX_P.
6602 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6604 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6605 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6606 REG_OK_FOR_BASE_P): Definitions removed.
6608 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6611 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6612 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6613 set yet or weren't marked as local yet.
6615 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6617 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6620 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6622 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6623 (rs6000_legitimate_small_data_p): Delete.
6624 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6625 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6626 and make static. Add forward declaration. Update uses.
6627 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6628 of offsettable_memref_p.
6629 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6630 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6632 2006-03-24 Jeff Law <law@redhat.com>
6634 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6635 around bug in immediate-use iterator.
6637 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6640 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6641 or __LITTLE_ENDIAN__.
6643 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6645 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6646 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6647 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6648 * config/sh/sh.opt (mdiv=): Amend description.
6649 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6650 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6651 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6652 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6653 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6654 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6655 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6656 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6657 TARGET_DIVIDE_CALL_FP.
6659 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6661 * haifa-sched.c (choose_ready): Fix type of the local variable.
6662 Move local variables. Add comment.
6663 (check_reg_live): Change signature. Make callable from debugger.
6664 * sched-int.h (check_reg_live): Update signature.
6665 * sched-ebb.c (check_reg_live): Update parameters.
6666 * sched-rgn.c (check_reg_live): Ditto.
6667 (region_head_or_leaf_p): Check pointer before dereferencing.
6668 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6669 before reload on optimization levels below 1.
6671 2006-03-23 Richard Henderson <rth@redhat.com>
6673 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6677 * config/alpha/predicates.md (local_symbolic_operand): Reject
6680 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6683 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6684 expressions which have overflowed constants.
6686 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6688 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6690 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6692 * cfgloopmanip.c (create_loop_notes): Removed.
6693 * final.c (final_scan_insn): Do not handle loop notes.
6694 * jump.c (squeeze_notes): Ditto.
6695 * cfglayout.c (skip_insns_after_block,
6696 duplicate_insn_chain): Ditto.
6697 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6699 * cfgloop.h (create_loop_notes): Declaration removed.
6701 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6703 * varasm.c (output_constant_pool): Restore fnname and fndecl
6705 (assemble_start_function): Adjust call accordingly.
6706 (assemble_end_function): Likewise.
6708 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6711 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6714 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6716 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6719 * system.h (ICE_EXIT_CODE): New macro.
6720 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6721 (diagnostic_action_after_output): Likewise.
6722 * gcc.c (fatal_ice): New function.
6723 (execute): Use it instead of fatal.
6724 (fancy_abort): Likewise.
6725 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6727 2006-03-22 Jeff Law <law@redhat.com>
6729 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6730 iv_analyze_result returning false.
6732 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6734 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6736 2006-03-22 Richard Henderson <rth@redhat.com>
6739 * except.c (duplicate_eh_regions_0): New.
6740 (duplicate_eh_region_1): Duplicate the children of the node as
6741 well as the node itself. Link them up properly.
6742 (duplicate_eh_region_2): Merge into ...
6743 (duplicate_eh_regions): ... here. Take copy_region argument, and
6744 copy only a sub-tree if asked. Simplify copying and fixup.
6745 (eh_region_outer_p): New.
6746 * except.h (duplicate_eh_regions): Update decl.
6747 (eh_region_outer_p): Declare.
6748 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6749 (lower_omp_master): Likewise.
6750 (lower_omp_ordered): Likewise.
6751 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6752 (move_stmt_r): Use it to remap labels. Handle recursion vs
6753 remap_decls_p properly.
6754 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6755 (find_outermost_region_in_block): New.
6756 (new_label_mapper): New.
6757 (move_sese_region_to_fn): Copy eh information to the new function
6759 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6761 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6764 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6766 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6767 into shared libraries.
6769 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6771 * doc/md.texi: Refer to i386/constraints.md instead of
6773 * config/i386/constraints.md: New file, extracted from...
6774 * config/i386/predicates.md: ...here.
6775 * config/i386/i386.md: Include constraints.md.
6777 2006-03-21 Jason Merrill <jason@redhat.com>
6779 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6782 * expr.c (init_block_move_fn): Force default visibility.
6783 (init_block_clear_fn): Likewise.
6784 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6785 * targhooks.c (default_external_stack_protect_fail): Likewise.
6787 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6789 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6790 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6791 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6792 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6793 (loadgp): Use mips_current_loadgp_style.
6794 (loadgp_noshared): New pattern.
6795 (sibcall_internal): Use MIPS_CALL.
6796 (sibcall_value_internal): Likewise.
6797 (sibcall_value_multiple_internal): Likewise.
6798 (call_internal): Likewise.
6799 (call_value_internal): Likewise.
6800 (call_value_multiple_internal): Likewise.
6801 (call_split): Use MIPS_CALL and add an 'S' constraint.
6802 (call_value_split): Likewise.
6803 (call_value_multiple_split): Likewise.
6804 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6805 (-mshared): New option.
6806 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6807 (mips_current_loadgp_style): Declare.
6808 * config/mips/mips.c (mips_classify_symbol): Avoid using
6809 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6810 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6811 TARGET_ABSOLUTE_ABICALLS.
6812 (override_options): Adjust comments. Improve the warning that is
6813 issued when -mabicalls and -G are used together.
6814 (mips_file_start): Remove comment.
6815 (mips_current_loadgp_style): New function.
6816 (mips_gnu_local_gp): New variable.
6817 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6819 (mips_output_function_prologue): Use mips_current_laodgp_style.
6820 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6821 the cprestore instruction.
6822 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6823 live for TARGET_ABSOLUTE_ABICALLS.
6824 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6825 (ASM_SPEC): Pass down -mshared and -mno-shared.
6826 (MIPS_CALL): New macro.
6827 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6829 * doc/invoke.texi (-mabicalls): Update documentation.
6830 (-mshared): Document.
6832 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6834 * config/ia64/unwind-hpux.c: New file.
6835 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6837 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6840 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6842 2006-03-21 Jeff Law <law@redhat.com>
6844 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6845 type conversions of a VR_VARYING source to a wider type.
6847 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6849 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6850 tm_file on Solaris 10 and later.
6851 (sparc64-*-solaris2*): Likewise.
6852 (sparc-*-solaris2*): Likewise.
6853 * config/sol26.h: Rename to config/sol2-6.h.
6854 * config/sol2-10.h: New file.
6856 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6859 * tree-ssa-pre.c (create_component_ref_by_pieces):
6862 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6865 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6866 return it immediately.
6868 2006-03-21 Michael Matz <matz@suse.de>
6870 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6872 (remove_arc, add_arc): Update num_out_arcs member.
6873 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6875 (cache_presence): New function.
6876 (compare_states_for_equiv): New function.
6877 (state_is_differed): Don't take number of outargs, adjust callers.
6878 Use new invariant for speeding up.
6879 (init_equiv_class): Create initial classes based on sorted
6881 (partition_equiv_class): Don't track out_arcs_num.
6882 (evaluate_equiv_classes): Call cache_presence on all states and
6885 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6887 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6888 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6889 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6890 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6892 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6893 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6894 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6895 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6896 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6898 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6899 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6900 (REGNO_REG_CLASS): ARGP is in PREGS.
6901 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6903 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6904 to deal with those addresses.
6905 * addresses.h: New file.
6906 * caller-save.c: Include "addresses.h".
6907 (init_caller_save): Use new base_reg_class function.
6908 * rtl-factoring.c: Include "addresses.h".
6909 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6910 * recog.c: Include "addresses.h".
6911 (preprocess_constraints): Use new base_reg_class function.
6912 * regrename.c: Include "addresses.h".
6913 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6914 functions. Keep track of a new var INDEX_CODE to compute valid
6916 (replace_oldest_value_addr): Likewise.
6917 (replace_oldest_value_mem): Use base_reg_class.
6918 * reload.c: Include "addresses.h".
6919 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6920 (find_reloads): Use new base_reg_class function.
6921 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6922 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6923 all callers and prototype changed.
6924 * reload1.c: Include "addresses.h".
6925 (maybe_fix_stack_asms): Use base_reg_class.
6926 * regclass.c: Include "addresses.h".
6927 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6928 (init_reg_autoinc): Use new base_reg_class function.
6929 (record_reg_classes): Likewise.
6930 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6931 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6932 Use new args to compute necessary class.
6934 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6935 regrename.o, rtl-factoring.o): Update dependencies.
6936 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6937 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6938 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6939 REG_OK_FOR_INDEX_P): Delete documentation.
6941 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6943 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6944 from V7 to V9 for Solaris 7 and above.
6946 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6948 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6949 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6950 argument pointers may not alias any other storage.
6951 * common.opt: Define option -fargument-noalias-anything.
6952 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6953 alias semantics is specified by flag_argument_noalias > 2.
6955 2006-03-20 Jeff Law <law@redhat.com>
6957 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6958 (pass_phi_only_cprop): Declare.
6959 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6961 * tree-ssa-dom.c (degenerate_phi_result): New function.
6962 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6963 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6964 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6965 (eliminate_degenerate_phis): Likewise.
6966 (pass_phi_only_cprop): New pass descriptor.
6967 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6968 support code. Callers updated.
6969 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6970 (store_copy_prop): Likewise.
6971 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6973 2006-03-20 Jason Merrill <jason@redhat.com>
6976 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6977 (push_visibility, pop_visibility): Likewise.
6978 * c-pragma.h: Declare them.
6980 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6982 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6984 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6985 parameter and use get_ebb_head_tail.
6986 (sh_md_init_global): Adjust uses of find_regmode_weight.
6988 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6990 * function.h (struct function) <x_tail_recursion_reentry>:
6991 Rename to x_stack_check_probe_note.
6992 (tail_recursion_reentry): Rename to stack_check_probe_note.
6993 * function.c: Replace tail_recursion_reentry with
6994 stack_check_probe_note everywhere.
6995 (expand_function_start): Only emit a note for
6996 stack_check_probe_note with -fstack-protect.
6997 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6999 * emit-rtl.c (remove_unnecessary_notes): Remove.
7000 (pass_remove_unnecessary_notes): Remove.
7001 * rtl.h (remove_unnecessary_notes): Remove prototype.
7002 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7003 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7004 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7006 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7009 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7010 (valid_in_set): Handle ARRAY_REF.
7011 Change "if min_variant or VH" to asserts.
7012 (create_component_ref_by_pieces): Handle ARRAY_REF.
7013 (create_expression_by_pieces): Likewise.
7014 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7016 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7018 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7019 is operand of switch, not str[0].
7021 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7023 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7024 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7026 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7028 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7029 end of insn_extra_address_constraint declaration.
7031 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7033 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7034 (no-sum-in-toc): Same.
7035 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7037 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7038 NO_FP_IN_TOC for -fPIC instead of mask.
7040 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7041 (BOOT_LDFLAGS): Delete.
7043 * config/rs6000/t-aix52: Same.
7045 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7046 (stmsi[345678]_power): New.
7048 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7050 * config/ia64/ia64.opt: Add empty line to end of file.
7052 2006-03-17 Richard Guenther <rguenther@suse.de>
7055 * builtins.c (get_pointer_alignment): For component style references
7056 adjust alignment to the component type alignment. Make sure
7057 to adjust alignment for component access of constants.
7059 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7061 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7064 2006-03-17 Paul Brook <paul@codesourcery.com>
7066 * doc/install.texi: Docuemnt --with-mode.
7067 * config.gcc: Add --with-mode for arm*-*-*.
7068 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7070 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7072 * sh.c (max_labelno_before_reorg): New variable.
7073 (sh_reorg): Initialize it.
7074 (find_barrier): Check max_labelno_before_reorg before using
7075 label_to_alignment. Take length of explicit alignment insns
7076 into account. When seeing a UNSPECV_CONST_END, return it.
7078 * sh.c (fixup_mova): Set mode of affected label to QImode.
7079 (untangle_mova): New function.
7080 (find_barrier): Use it. Check mode of label before decrementing
7082 (sh_reorg): Likewise.
7083 Set mode of all insns back to VOIDmode.
7085 * sh.c (MOVA_LABELREF): New macro.
7086 (mova_p, fixup_mova, sh_reorg): Use it.
7087 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7088 ADDR_DIFF_VEC matches mova.
7090 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7092 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7093 with ATTRIBUTE_UNUSED.
7095 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7097 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7098 pointer, instead of assuming it is possible to derive the
7099 correct args size from a call insn.
7101 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7103 * rtl.h (CONST_INT_P): Define.
7104 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7105 instead of GET_CODE(x) == CONST_INT.
7106 (vax_rtx_costs): Likewise.
7107 (vax_output_int_move): Likewise.
7108 (vax_output_int_add): Likewise.
7109 (legitimate_constant_address_p): Likewise.
7110 (index_term_p): Likewise.
7111 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7112 * config/vax/vax.md (and<mode>3): Likewise.
7113 (ashrsi3): Likewise.
7115 (movstricthi): Likewise.
7116 (movstrictqi): Likewise.
7117 (rotrsi3): Likewise.
7118 (five unnamed insns): Likewise.
7120 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7122 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7123 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7124 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7125 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7126 Pass to ASM_OUTPUT_DWARF_OFFSET.
7127 * dwarf2out.c (debug_frame_section): New.
7128 (output_call_frame_info): Use debug_frame_section. Pass it to
7129 dw2_asm_output_offset.
7130 (output_die): Pass appropriate section to dw2_asm_output_offset.
7131 (output_compilation_unit_header): Likewise.
7132 (output_pubnames): Likewise.
7133 (output_aranges): Likewise.
7134 (enum dw_val_class): Break dw_val_class_lbl_offset into
7135 dw_val_class_lineptr and dw_val_class_macptr.
7136 (add_AT_lbl_offset): Delete.
7137 (add_AT_lineptr): New.
7138 (add_AT_macptr): New.
7139 (AT_lbl): Expect a lineptr or macptr.
7140 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7141 (attr_checksum): Likewise.
7142 (same_dw_val_p): Likewise.
7143 (size_of_die): Likewise.
7144 (value_format): Likewise.
7145 (output_die): Likewise.
7146 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7148 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7149 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7150 * config/darwin-protos.h (darwin_file_start): New.
7151 (darwin_asm_output_dwarf_offset): New.
7152 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7153 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7155 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7156 if not EH section; simplify.
7157 (darwin_file_start): New.
7158 (darwin_asm_output_dwarf_offset): New.
7159 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7161 (DEBUG_INFO_SECTION): Likewise.
7162 (DEBUG_ABBREV_SECTION): Likewise.
7163 (DEBUG_ARANGES_SECTION): Likewise.
7164 (DEBUG_MACINFO_SECTION): Likewise.
7165 (DEBUG_LINE_SECTION): Likewise.
7166 (DEBUG_LOC_SECTION): Likewise.
7167 (DEBUG_PUBNAMES_SECTION): Likewise.
7168 (DEBUG_STR_SECTION): Likewise.
7169 (DEBUG_RANGES_SECTION): Likewise.
7170 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7171 (ASM_OUTPUT_DWARF_OFFSET): New.
7173 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7175 * config.gcc (tm_defines): Always add to previous value rather
7178 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7180 * config/mips/predicates.md (splittable_const_int_operand): New,
7181 split from move_operand.
7182 (splittable_symbolic_operand): New.
7183 (move_operand): Add commentary. Use splittable_const_int_operand.
7184 Inline mips_atomic_symbolic_constant_p.
7185 * config/mips/mips.md: Add combine splitters for handling moves
7186 of splittable_const_int_operands and splittable_symbolic_operands.
7187 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7188 (mips_split_symbol): Declare.
7189 (mips_move_integer): Declare.
7190 * config/mips/mips.c (mips_split_p): Make global.
7191 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7192 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7193 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7194 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7195 (mips_offset_within_object_p): Handle block symbols.
7196 (mips_atomic_symbolic_constant_p): Delete.
7197 (mips_cannot_force_const_mem): Return false for constants that
7198 mips_legitimize_move can handle.
7199 (mips_use_blocks_for_constant_p): New function.
7200 (mips_split_symbol): Make global.
7201 (mips_move_integer): Likewise. Add a temporary register argument.
7202 (mips_legitimize_const_move): Use splittable_const_int_operand and
7203 splittable_symbolic_operand.
7204 (mips_use_anchors_for_symbol_p): New function.
7205 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7206 (mips_split_p): Declare.
7208 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7210 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7211 (mips*-*-linux*): Likewise.
7213 2006-03-16 Roger Sayle <roger@eyesopen.com>
7214 Daniel Speyer <dspeyer@wam.umd.edu>
7217 * tree-dump.c (dump_real): New function.
7218 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7219 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7220 (tree-dump.o): Add $(REAL_H) to the dependencies.
7222 2006-03-16 Roger Sayle <roger@eyesopen.com>
7225 * real.c (real_from_string): If the mantissa is zero, don't bother
7226 parsing the exponent as the result should always be zero.
7228 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7230 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7232 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7234 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7235 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7236 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7237 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7238 ia64_sched_finish_global): New static functions to implement
7239 hooks from gcc_target.sched.
7240 (spec_check_no, max_uid, pending_data_specs): New static variables.
7241 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7242 ia64_spec_check_src_p): New static functions.
7243 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7244 (TARGET_SCHED_ADJUST_COST): Removed.
7245 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7246 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7247 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7248 TARGET_SCHED_GEN_CHECK,
7249 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7250 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7251 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7252 Fixed to handle speculation checks.
7253 (rtx_needs_barrier): Fixed to handle speculative loads and
7255 (ia64_variable_issue): Added code to count speculative loads and their
7257 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7259 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7261 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7263 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7264 (ia64_reorg): Reset stops_p to NULL after it is freed.
7265 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7266 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7267 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7269 (data_speculative, control_speculative, check_load): New attributes.
7270 (mov<mode>_advanced, mov<mode>_speculative,
7271 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7272 zero_extend<mode>di2_speculative,
7273 zero_extend<mode>di2_speculative_advanced): New patterns for
7274 data and control speculative loads.
7275 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7277 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7278 New pattern for data and control speculation checks.
7279 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7280 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7281 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7282 Auxiliary definitions for the patterns.
7283 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7284 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7286 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7288 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7289 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7290 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7291 New resource constraints.
7292 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7294 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7295 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7296 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7297 msched-in-control-spec, msched-ldc, msched-control-ldc,
7298 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7299 msched-prefer-non-control-spec-insns,
7300 msched-count-spec-in-critical-path): New flags to tune speculative
7302 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7303 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7304 msched-in-control-spec, msched-ldc, msched-control-ldc,
7305 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7306 msched-prefer-non-control-spec-insns,
7307 msched-count-spec-in-critical-path): Document new flags.
7309 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7311 * target.h (struct spec_info_def): New opaque declaration.
7312 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7313 speculate_insn, needs_block_p, gen_check,
7314 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7315 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7316 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7317 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7318 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7319 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7321 (TARGET_SCHED): Use new macros.
7322 * rtl.h (copy_DEPS_LIST_list): New prototype.
7323 * sched-int.h (struct sched_info): Change signature of new_ready field,
7324 adjust all initializations. New fields: add_remove_insn,
7325 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7326 region_head_or_leaf_p.
7327 (struct spec_info_def): New structure declaration.
7328 (spec_info_t): New typedef.
7329 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7330 recovery_block, orig_pat.
7331 (glat_start, glat_end): New variables declaraions.
7332 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7334 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7335 DETACH_LIFE_INFO, USE_GLAT.
7336 (enum SPEC_SCHED_FLAGS): New enumeration.
7337 (NOTE_NOTE_BB_P): New macro.
7338 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7339 attach_life_info, debug_spec_status, check_reg_live): New functions.
7340 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7341 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7343 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7344 * ddg.c (get_block_head_tail): Adjust all uses.
7345 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7346 (sms_sched_info): Initialize new fields.
7347 (contributes_to_priority): Removed.
7348 * haifa-sched.c (params.h): New include.
7349 (get_block_head_tail): Adjust all uses.
7350 (ISSUE_POINTS): New macro.
7351 (glat_start, glat_end): New global variables.
7352 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7353 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7354 old_last_basic_block, before_recovery, current_sched_info_var,
7355 rgn_n_insns, luid): New static variables.
7356 (insn_cost1): New function. Move logic from insn_cost to here.
7357 (find_insn_reg_weight1): New function. Move logic from
7358 find_insn_reg_weight to here.
7359 (reemit_notes, move_insn, max_issue): Change signature.
7360 (move_insn1): Removed.
7361 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7362 extend_bb): New static functions to support extension of scheduler's
7364 (generate_recovery_code, process_insn_depend_be_in_spec,
7365 begin_speculative_block, add_to_speculative_block,
7366 init_before_recovery, create_recovery_block, create_check_block_twin,
7367 fix_recovery_deps): New static functions to support
7368 generation of recovery code.
7369 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7370 restore_bb_notes, move_block_after_check, move_succs): New static
7371 functions to support ebb scheduling.
7372 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7373 functions to support handling of register live information.
7374 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7375 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7376 add_jump_dependencies): New static functions.
7377 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7378 consistancy checking.
7379 (debug_spec_status): New function to call from debugger.
7380 (priority): Added code to handle speculation checks.
7381 (rank_for_schedule): Added code to distinguish speculative instructions.
7382 (schedule_insn): Added code to handle speculation checks.
7383 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7384 Fixed to handle ebbs.
7385 (move_insn): Added code to handle ebb scheduling.
7386 (max_issue): Added code to use ISSUE_POINTS of instructions.
7387 (choose_ready): Added code to choose between speculative and
7388 non-speculative instructions.
7389 (schedule_block): Added code to handle ebb scheduling and scheduling of
7390 speculative instructions.
7391 (sched_init): Initialize new variables.
7392 (sched_finish): Free new variables. Print statistics.
7393 (try_ready): Added code to handle speculative instructions.
7394 * lists.c (copy_DEPS_LIST_list): New function.
7395 * sched-deps.c (extend_dependency_caches): New function. Move logic
7396 from create_dependency_caches to here.
7397 (get_dep_weak, ds_merge): Make global.
7398 * genattr.c (main): Code to output prototype for
7399 dfa_clear_single_insn_cache.
7400 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7401 (output_dfa_clean_insn_cache_func): Code to output
7402 dfa_clear_single_insn_cache function.
7403 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7405 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7407 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7408 New static variables.
7409 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7410 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7412 (ebb_sched_info): Initialize new fields.
7413 (get_block_head_tail): Adjust all uses.
7414 (compute_jump_reg_dependencies): Fixed to use glat_start.
7415 (schedule_ebb): Code to remove unreachable last block.
7416 (schedule_ebbs): Added code to update register live information.
7417 * sched-rgn.c (region_sched_info): Initialize new fields.
7418 (get_block_head_tail): Adjust all uses.
7419 (last_was_jump): Removed. Adjust users.
7420 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7421 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7422 Implement new hooks.
7423 (check_dead_notes1): New static function.
7424 (struct region): New fields: dont_calc_deps, has_real_ebb.
7425 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7426 (BB_TO_BLOCK): Fixed to handle EBBs.
7427 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7428 (ebb_head): New static variable.
7429 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7430 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7432 (compute_dom_prob_ps): New assertion.
7433 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7434 global_live_at_start.
7435 (init_ready_list): New assertions.
7436 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7437 (new_ready): Add support for BEGIN_CONTROL speculation.
7438 (schedule_insns): Fixed code that updates register live information
7440 (schedule_region): Fixed to handle EBBs.
7441 (init_regions): Use extend_regions and check_dead_notes1.
7442 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7443 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7444 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7445 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7446 TARGET_SCHED_GEN_CHECK,
7447 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7448 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7449 * doc/invoke.texi (max-sched-insn-conflict-delay,
7450 sched-spec-prob-cutoff): Document.
7452 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7454 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7455 inter_tick, queue_index.
7456 (struct sched_info): Change signature of init_ready_list field.
7457 Adjust all initializations.
7458 (RESOLVED_DEPS): New access macro.
7459 (ready_add): Remove prototype.
7460 (try_ready): Add prototype.
7461 * sched-rgn.c (init_ready_list): Use try_ready.
7462 (schedule_region): Initialize
7463 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7464 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7465 (init_ready_list): Use try_ready.
7466 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7467 * lists.c (remove_list_elem): Remove `static'.
7468 (remove_free_INSN_LIST_elem): New function.
7469 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7470 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7471 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7473 (readyp): New variable.
7474 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7475 change_queue_index, resolve_dep): New static functions.
7476 (try_ready): New function. Adjust callers in sched-rgn.c and
7477 sched-ebb.c to use it instead of ready_add.
7478 (clock_var): Move at the begining of file.
7479 (rank_for_schedule): Fix typo.
7480 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7481 (ready_lastpos): Enforce assertion.
7482 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7484 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7485 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7486 (queue_to_ready): Use free_INSN_LIST_list.
7487 (early_queue_to_ready): Fix typo.
7488 (schedule_block): Init readyp. Move init_ready_list call after the
7489 initialization of clock_var. Fix error in rejecting insn by
7490 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7491 that previously corrected INSN_TICKs. Add code for handling
7493 (set_priorities): Fix typo.
7494 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7495 Clarify comment and code that keeps current_sched_info->next_tail
7498 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7500 * sched-rgn.c (extend_rgns): New static function.
7501 (find_rgns): Use it.
7502 (gather_region_statistics, print_region_statistics): New static
7504 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7505 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7507 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7508 Andrey Belevantsev <abel@ispras.ru>
7510 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7511 * lists.c (unused_deps_list): New variable.
7512 (free_list): Add assertions to verify the proper distinguishing
7513 between INSN_LISTs and DEPS_LISTs.
7514 (find_list_elem, remove_list_elem, remove_list_node): New static
7516 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7517 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7518 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7519 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7521 (free_INSN_LIST_node): Likewise.
7522 * modulo-sched.c (current_sched_info): Initialize flags field.
7523 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7524 * rtl.def (DEPS_LIST): Define.
7525 * rtl.h: Declare new functions from lists.c.
7526 * sched-deps.c (spec_dependency_cache): New static variable.
7527 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7528 (add_dependence): Change return type to void. Move the logic to ...
7529 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7530 (delete_all_dependences): Add comment about forward_dependency_cache.
7531 Handle spec_dependency_cache. Handle DEPS_LISTs.
7532 (fixup_sched_groups): Clarify the change of priority of output
7533 and anti dependencies.
7534 (sched_analyze_2): Adjust add_dependence calls to create data
7535 speculative dependence.
7536 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7537 Adjust all callers. Handle DEPS_LISTS.
7538 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7539 presence of speculation.
7540 (init_dependency_caches, free_dependency_caches):
7541 Handle spec_dependency_cache.
7542 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7543 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7544 New static functions.
7545 (add_or_update_back_dep, add_or_update_back_forw_dep,
7546 add_back_forw_dep, delete_back_forw_dep): New functions.
7547 * sched-int.h (ds_t, dw_t): New typedefs.
7548 (struct sched_info): Add new field flags.
7549 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7550 Prototype new sched-deps.c functions.
7551 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7552 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7553 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7554 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7555 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7556 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7558 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7560 * sched-rgn.c (current_sched_info): Initialize flags field.
7561 (schedule_insns): Initialize current_sched_info before the sched_init
7563 * sched-ebb.c (current_sched_info): Initialize flags field.
7564 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7565 Call add_or_update_back_dep instead of add_dependence.
7566 Create control speculative dependencies.
7567 (schedule_insns): Initialize current_sched_info before the sched_init
7570 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7572 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7574 (sh_fallback_frame_state): Likewise.
7576 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7578 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7579 Do switch on default_use_cxa_atexit.
7580 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7581 * config/darwin-crt3.o: New.
7582 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7583 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7584 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7586 * config/rs6000/t-darwin: Move crt2.o building to here.
7587 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7588 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7591 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7593 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7594 from '! xxx' to '!xxx' for coding-style conformance.
7595 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7596 (EXTRA_CONSTRAINT): Likewise.
7597 * config/vax/vax.md (four unnamed insns): Likewise.
7599 2006-03-15 Paul Brook <paul@codesourcery.com>
7601 * config/arm/arm.c (minipool_pad): New.
7602 (add_minipool_forward_ref): Include pool alignment padding in address
7604 (push_minipool_fix): Set minipool_pad.
7605 (minipool_pad): Ditto.
7607 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7609 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7610 instead of GET_CODE() == MEM and REG_P() instead of
7612 (print_operand_address): Likewise.
7613 (vax_address_cost): Likewise.
7614 (vax_rtx_costs): Likewise.
7615 (vax_notice_update_cc): Likewise.
7616 (vax_output_int_add): Likewise.
7617 (INDEX_REGISTER_P): Likewise.
7618 (BASE_REGISTER_P): Likewise.
7619 (nonindexed_address_p): Likewise.
7620 (vax_mode_dependent_address_p): Likewise.
7621 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7622 (PRINT_OPERAND): Likewise.
7623 * config/vax/vax.md (ashlsi3): Likewise.
7624 (ashlsi3): Likewise.
7625 (some more unnamed insns): Likewise.
7627 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7629 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7630 iterator-style macro.
7631 (mark_control_dependent_edges_necessary): Update the use of
7632 EXECUTE_IF_CONTROL_DEPENDENT.
7634 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7636 * config/sh/predicates.md (cache_address_operand): Special.
7637 (ua_address_operand): Likewise.
7639 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7641 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7643 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7645 2006-03-15 Andreas Schwab <schwab@suse.de>
7647 * gensupport.c (identify_predicable_attribute): Don't free p_false
7648 when it is still in use.
7650 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7652 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7653 the default setting here.
7655 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7657 * tree-pass.h (pass_cfg): Remove.
7658 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7659 * passes.c (pass_cfg): Don't run it.
7661 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7663 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7664 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7666 (stack_regs_mentioned): Update the uses of
7667 stack_regs_mentioned_data. Don't access the array beyond its
7669 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7670 Don't include gt-reg-stack.h.
7672 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7673 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7675 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7678 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7681 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7683 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7685 2006-03-14 Richard Guenther <rguenther@suse.de>
7687 PR tree-optimization/26672
7688 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7691 2006-03-14 Richard Guenther <rguenther@suse.de>
7693 PR tree-optimization/26667
7694 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7695 node for the callees. Always allow inlining if it will shrink
7698 2006-03-14 Richard Guenther <rguenther@suse.de>
7701 * builtins.c (get_pointer_alignment): Prefer alignment
7702 information from decls over that from types.
7704 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7707 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7709 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7711 * config/rs6000/rs6000.opt (mdlmzb): New option.
7712 (msched-prolog, msched-epilog): Use Var not Mask.
7713 * doc/invoke.texi (-mdlmzb): Document.
7714 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7716 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7717 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7719 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7721 PR rtl-optimization/25739
7722 * bt-load.c (augment_live_range): Free tos pointer.
7724 * gensupport.c (identify_predicable_attribute): Free
7726 * gcov.c (create_file_names): Free name pointer.
7728 2006-03-13 Roger Sayle <roger@eyesopen.com>
7731 * stmt.c (emit_case_nodes): Handle the case where the index is a
7732 CONST_INT, where the comparison mode is specified by the index type.
7734 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7736 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7739 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7741 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7742 (*branch_fp_inverted): Likewise.
7744 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7747 * omp-low.c (expand_omp_for_generic): Mark istart0
7748 and iend0 as addressable.
7750 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7752 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7754 2006-03-13 Jeff Law <law@redhat.com>
7756 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7757 virtual operands are interesting.
7758 (vrp_visit_stmt): Corresponding changes.
7760 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7762 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7764 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7765 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7766 * config/bfin/crti.S: Use it instead of __PIC__.
7767 * config/bfin/crtn.S: Likewise.
7769 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7770 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7772 Lose 'G' modifier for call operand.
7773 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7774 recognize 'G' modifier.
7776 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7779 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7780 * stmt.c (expand_case): Likewise.
7782 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7784 PR rtl-optimization/26254
7785 * loop-invariant.c (seq_insns_valid_p): New function.
7786 (move_invariant_reg): Only emit new code if it is valid.
7788 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7790 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7792 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7793 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7794 (commit_one_edge_insertion): Do not look for loop notes.
7796 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7798 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7799 flag_test_coverage out of loop.
7801 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7803 * final.c (shorten_branches): Remove outdated comment, and turn
7804 the if branch that guards it to continue.
7806 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7808 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7809 * cfgloop.h (struct loop): Remove unused fields.
7811 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7813 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7814 (-dL, -fdump-rtl-loop2): Update the dump file names
7816 * doc/invoke.texi: Update dump file names.
7818 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7820 * predict.c (estimate_probability): Remove.
7821 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7822 * basic-block.h (estimate_probability): Remove prototype.
7823 * passes.c (finish_optimization_passes): Dump branch prediction or
7824 profiling heuristics to the .profile tree dump.
7825 (init_optimization_passes): Unqueue pass_branch_prob.
7827 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7829 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7831 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7832 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7834 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7836 * function.h (frame_offset_overflow): Declare.
7837 * function.c (frame_offset_overflow): New function.
7838 (assign_stack_local_1): Call it to detect that the offset overflows.
7839 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7841 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7843 * config/sh/sh.c: Include alloc-pool.h.
7844 (label_ref_list_pool): New alloc pool.
7845 (label_ref_list_t): New type for lists of labels.
7846 (struct pool_node): Make wend a label_ref_list_t.
7847 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7849 (dump_table): Likewise.
7850 (sh_reorg): Set up the alloc pool before using add_constant and
7851 dump_table, and destroy it when finishing.
7853 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7855 * config/mips/mips.c: Remove redundant comment.
7857 2006-03-10 Jason Merrill <jason@redhat.com>
7860 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7861 the target was declared 'register'.
7863 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7865 * genpreds.c (write_insn_constraint_len): Change definition of
7866 insn_constraint_len to return size_t to match the declaration.
7868 2006-03-10 DJ Delorie <dj@redhat.com>
7870 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7872 (m32c_expand_insv): Fix test for an AND mask.
7874 2006-03-10 Richard Guenther <rguenther@suse.de>
7877 * builtins.c (get_pointer_alignment): Handle component
7878 references for field alignment.
7880 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7882 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7883 when building with libgloss.
7884 (sh*elf): Implement --without-fp option.
7885 (sh64-superh-linux*): Don't multilib.
7887 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7889 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7891 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7893 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7894 Set it when one of the replacement functions returned true.
7895 Return TODO_cleanup_cfg if cfgchanged is true.
7896 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7898 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7900 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7901 instead of gen_lowpart.
7903 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7905 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7907 (mips_output_order_conditional_branch): Declare.
7908 * config/mips/mips.h (MIPS_BRANCH): New macro.
7909 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7910 for the comparison. Use gen_condjump.
7911 (mips_output_conditional_branch): Rework interface to take the
7912 asm templates for a direct branch and the inverse of a direct branch.
7913 (mips_output_order_conditional_branch): New function.
7914 (mips_builtin_branch_and_move): New function.
7915 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7916 branch condition. Use gen_single_cc as the condition for
7917 __builtin_mips_upper_* or __builtin_mips_lower_*.
7918 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7919 Use VOIDmode for the branch condition.
7920 * config/mips/predicates.md (order_operator): New predicate.
7921 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7922 (branch_fp): Rename to...
7923 (*branch_fp): ...this. Remove mode from comparison operator.
7924 Use new mips_output_conditional_branch interface.
7925 (branch_fp_inverted): Rename to...
7926 (*branch_fp_inverted): ...this and update as for *branch_fp.
7927 (*branch_zero<mode>): Rename to...
7928 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7929 Use mips_output_order_conditional_branch. Only accept ordered
7931 (*branch_zero<mode>_inverted): Rename to...
7932 (*branch_order<mode>_inverted): ...this and update as for
7933 *branch_order<mode>.
7934 (*branch_equality<mode>): Accept zero as the second operand to
7935 the equality operator. Use the new mips_output_conditional_branch
7937 (*branch_equality<mode>_inverted): Likewise.
7938 (condjump): New expander.
7939 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7941 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7942 (bc1any2t, bc1any2f): Likewise.
7943 (single_cc): New expander.
7944 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7946 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7948 * doc/md.texi: Update documentation of MIPS constraints.
7949 * config/mips/constraints.md: New file.
7950 * config/mips/mips.md: Include it.
7951 * config/mips/mips.c (mips_char_to_class): Delete.
7952 (override_options): Don't initialize mips_char_to_class.
7953 * config/mips/mips.h (mips_char_to_class): Delete.
7954 (REG_CLASS_FROM_LETTER): Delete.
7955 (CONST_OK_FOR_LETTER_P): Delete.
7956 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7957 (EXTRA_CONSTRAINT_Y): Delete.
7958 (EXTRA_CONSTRAINT_STR): Delete.
7959 (CONSTRAINT_LEN): Delete.
7960 (EXTRA_MEMORY_CONSTRAINT): Delete.
7962 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7964 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7965 original fn's eh regions.
7967 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7969 * fold-const.c (build_range_check): Make sure to use a valid type to
7970 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7973 (range_predecessor): New static function.
7974 (range_successor): Likewise.
7975 (merge_ranges): Use them to compute predecessors and successors of
7978 2006-03-09 Roger Sayle <roger@eyesopen.com>
7981 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7982 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7984 2006-03-08 DJ Delorie <dj@redhat.com>
7986 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7987 (addpsi3): Expand to include memory operands. Remove
7988 reload-specific splits.
7989 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7990 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7991 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7992 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7993 (shift1_qi, shift1_hi, insv): New.
7994 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7995 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7996 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7998 * config/m32c/m32c-protos.h: Update as needed.
7999 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8000 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8001 Fail for unrecognized R* constraints.
8002 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8003 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8004 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8006 (m32c_init_libfuncs): New.
8007 (m32c_legitimate_address_p): Add debug wrapper.
8008 (m32c_rtx_costs): New.
8009 (m32c_address_cost): New.
8010 (conversions): Add 'B' prefix.
8011 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8012 operands, or word regnames for QI operands. 'B' prints bit
8014 (m32c_expand_setmemhi): New.
8015 (m32c_expand_movmemhi): New.
8016 (m32c_expand_movstr): New.
8017 (m32c_expand_cmpstr): New.
8018 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8019 (m32c_expand_neg_mulpsi3): Handle non-ints.
8020 (m32c_cmp_flg_0): New.
8021 (m32c_expand_movcc): New.
8022 (m32c_expand_insv): New.
8023 (m32c_scc_pattern): New.
8024 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8025 a0/a1 out of SIregs.
8026 (STORE_FLAG_VALUE): New.
8027 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8030 * config/m32c/mov.md: Make constraints more liberal.
8031 (zero_extendqihi2): Optimize r0/r1 case.
8032 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8033 * config/m32c/predicates.md (m32c_any_operand): New.
8034 (m32c_nonimmediate_operand): New.
8035 (m32c_hl_operand): New.
8036 (m32c_r3_operand): New.
8039 (memsym_operand): New.
8040 (memimmed_operand): New.
8041 (a_qi_operand): New.
8042 (m32c_eqne_operator): New.
8043 (m32c_1bit8_operand): New.
8044 (m32c_1bit16_operand): New.
8045 (m32c_1mask8_operand): New.
8046 (m32c_1mask16_operand): New.
8047 * config/m32c/blkmov.md: New file.
8048 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8050 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8052 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8053 unsigned to fix signed/unsigned comparison issue in
8054 DWARF2_FRAME_REG_OUT.
8055 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8056 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8058 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8059 of ptr into the ENABLE_CHECKING section.
8061 2006-03-08 Jeff Law <law@redhat.com>
8063 * tree-vrp.c (infer_value_range): Only count pointer uses
8064 and dereferences if -fdelete-null-pointer-checks is enabled.
8066 * tree-vrp.c (find_assert_locations): Infer value ranges for
8067 single use pointers, but do not create ASSERT_EXPRs for them.
8068 When a non-null range is inferred for a pointer, backwards
8069 propagate that range to other equivalent pointers through the
8072 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8075 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8076 language hook targets.
8077 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8078 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8079 if language hook targets were missing.
8081 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8083 * tree-ssa-opfinalize.h: Removed.
8084 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8086 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8087 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8088 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8089 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8090 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8091 finalize_ssa_v_must_def_ops): New.
8093 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8095 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8098 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8100 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8102 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8103 addresses with offsets; reorganize.
8105 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8106 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8107 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8109 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8112 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8114 2006-03-08 Ben Elliston <bje@au.ibm.com>
8116 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8118 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8121 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8124 2006-03-07 Richard Guenther <rguenther@suse.de>
8126 PR tree-optimization/26587
8127 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8129 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8131 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8133 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8135 * hooks.c (hook_bool_mode_rtx_true): New function.
8136 * hooks.h (hook_bool_mode_rtx_true): Declare.
8137 * toplev.c (compile_file): Call output_shared_constant_pool.
8138 * varasm.c (shared_constant_pool): New variable.
8139 (assemble_start_function, assemble_end_function): Remove arguments
8140 from call to output_constant_pool.
8141 (create_constant_pool): New function, split out from...
8142 (init_varasm_status): ...here.
8143 (force_const_mem): Choose between the shared and per-function constant
8144 pools. Set current_function_uses_const_pool when reusing old entries
8145 as well as when creating new ones.
8146 (mark_constant): Ignore data argument.
8147 (mark_constants): Remove pool argument.
8148 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8149 to decide whether the function uses a constant pool.
8150 (output_constant_pool_contents): New function, split out from...
8151 (output_constant_pool): ...here.
8152 (output_shared_constant_pool): New function.
8153 (init_varasm_once): Initialize shared_constant_pool.
8154 * output.h (output_constant_pool): Delete.
8155 (output_shared_constant_pool): Declare.
8156 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8157 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8159 2006-03-06 Nick Clifton <nickc@redhat.com>
8161 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8162 flag_strength_reduce.
8164 2006-03-06 Ben Elliston <bje@au.ibm.com>
8166 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8167 x86_64-*-linux* configurations.
8169 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8170 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8172 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8174 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8176 * basic-block.h: Remove the extern for
8177 rediscover_loops_after_threading.
8179 * cfgloop.c (cancel_loop): Make it static.
8180 * cfgloop.h: Remove the prototype for cancel_loop.
8182 * flow.c (recompute_reg_usage): Make it static.
8183 * rtl.h: Remove the prototype for recompute_reg_usage.
8185 * function.c (use_return_register): Make it static.
8186 * function.h: Remove the prototype.
8188 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8190 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8192 * recog.h: Remove the prototype for
8193 validate_change_maybe_volatile.
8195 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8197 * rtlanal.c (replace_reg): Remove.
8198 * rtl.h: Remove the prototype for replace_reg.
8200 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8202 * regclass.c (reg_scan_update): Remove.
8203 (reg_scan_mark_refs): Remove the last argument.
8204 * rtl.h: Remove the prototype for reg_scan_update.
8206 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8208 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8209 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8210 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8211 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8212 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8213 loop-invariant.c, omp-low.c, opts.c, passes.c,
8214 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8215 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8216 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8217 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8218 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8219 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8221 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8223 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8224 * dwarf2out.h: Remove the prototype for
8225 dwarf2out_add_library_unit_info.
8227 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8229 * tree.c (add_var_to_bind_expr): Remove.
8230 * tree.h: Remove the prototype for add_var_to_bind_expr.
8232 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8234 * regclass.c (n_non_fixed_regs): Remove.
8235 (init_reg_sets_1, globalize_reg): Remove all uses of
8237 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8239 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8241 * rtlanal.c (insns_safe_to_move_p): Remove.
8242 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8244 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8246 * expmed.c (expand_mult_add): Remove.
8247 * expr.h: Remove the prototype for expand_mult_add.
8249 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8251 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8252 and REG_SAVED_VAL_EXP constants.
8253 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8254 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8255 Handle regs stored by value.
8256 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8257 (execute_cfa_program): Handle DW_CFA_val_offset,
8258 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8259 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8260 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8261 (uw_install_context_1): Handle target regs stored by value.
8263 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8265 * tree-sra.c (tree_sra): Return todoflags;
8266 (generate_one_element): Set TODO_update_smt_usage if needed.
8267 (pass_sra): Remove TODO_update_smt_usage.
8268 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8270 (tree_ssa_forward_propagate_single_use_vars): Return
8271 TODO_update_smt_usage if we need to update SMT usage.
8272 (pass_forwprop): Remove TODO_update_smt_usage.
8274 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8276 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8277 (correct_use_link): Remove reference to get_stmt_operands.
8278 (update_stmt_operands): Likewise.
8279 (get_modify_expr_operands): New function factored out of
8280 parse_ssa_operands and get_expr_operands.
8281 Try to create V_MUST_DEFs for LHS by default.
8282 (get_expr_operands) <case MODIFY_EXPR>: Call
8283 get_modify_expr_operands.
8284 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8285 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8286 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8287 get_modify_expr_operands.
8289 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8291 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8292 * tree-flow.h: Remove the prototype for
8293 referenced_var_lookup_if_exists.
8295 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8297 PR rtl-optimization/26345
8299 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8301 2006-03-03 Roger Sayle <roger@eyesopen.com>
8303 PR tree-optimization/26524
8304 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8305 fold_convert to create a constant of the appropriate type.
8307 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8309 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8310 SYMBOL_REF_IN_BLOCK_P.
8311 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8312 of SYMBOL_FLAG_IN_BLOCK.
8313 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8314 instead of SYMBOL_REF_IN_BLOCK_P.
8315 * explow.c (use_anchored_address): Likewise.
8316 * rtl.c (rtx_size): Likewise.
8317 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8318 instead of SYMBOL_FLAG_IN_BLOCK.
8319 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8320 SYMBOL_REF_IN_BLOCK_P.
8321 (assemble_variable): Likewise.
8322 (output_constant_def_contents): Likewise.
8323 (output_constant_pool): Likewise.
8324 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8325 instead of SYMBOL_FLAG_IN_BLOCK.
8326 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8327 SYMBOL_REF_IN_BLOCK_P.
8328 (SYMBOL_REF_BLOCK): Likewise.
8329 (SYMBOL_REF_OFFSET): Likewise.
8330 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8331 SYMBOL_REF_IN_BLOCK_P.
8332 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8333 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8334 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8335 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8337 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8339 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8341 2006-03-02 Roger Sayle <roger@eyesopen.com>
8343 * simplify-rtx.c (simplify_unary_operation): When simplifying
8344 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8345 that we perform the right shift in the appropriate mode, and
8346 then extend or truncate the result to requested mode.
8348 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8350 * gengtype.c (main): Handle double_int type.
8351 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8352 * double-int.c: New file.
8353 * double-int.h: New file.
8354 * system.h: Include doubleint.h.
8355 * Makefile.in (SYSTEM_H): Include double-int.h.
8356 (double-int.o): Add.
8358 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8361 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8364 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8366 * tree-vrp.c (remove_range_assertions): Do not update statements
8369 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8371 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8373 * gcse.c (rest_of_handle_gcse): Ditto.
8374 * except.c (gate_handle_eh): Ditto.
8375 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8376 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8378 2006-03-02 Eric Christopher <echristo@apple.com>
8380 * config/i386/i386.c (machopic_output_stub): Add indirection to
8383 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8387 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8389 Sun Niagara specific optimizations.
8390 * config.gcc: Recognize niagara as target.
8391 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8392 (TARGET_CPU_niagara): Define.
8393 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8394 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8395 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8396 (ASM_CPU_SPEC): Likewise.
8397 (PROCESSOR_NIAGARA): New enum entry.
8398 (REGISTER_MOVE_COST): Handle Niagara.
8399 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8400 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8401 (sparc_override_options): Recognize "niagara", set appropriate
8402 default MASK_* values for it, and align functions to 32-bytes
8403 by default just like ULTRASPARC/ULTRASPARC3.
8404 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8405 (sparc64_initialize_trampoline): Likewise.
8406 (sparc_use_sched_lookahead): Use zero for niagara.
8407 (sparc_issue_rate): Use one for niagara.
8408 * config/sparc/niagara.md: New file.
8409 * config/sparc/sparc.md: Include it.
8410 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8411 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8412 when default cpu is niagara.
8413 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8414 (ASM_CPU_SPEC): Likewise.
8415 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8416 when default cpu is niagara.
8417 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8418 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8419 just like v9/ultrasparc/ultrasparc3.
8420 * doc/invoke.texi: Add documentation for "niagara" and improve
8421 existing documentation for ultrasparc variants.
8423 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8425 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8427 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8429 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8430 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8431 and say that only one is needed.
8432 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8433 * target.h (have_switchable_bss_sections): New hook.
8434 * explow.c (use_anchored_address): Check that the symbol is in a block.
8435 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8436 (bss_noswitch_section): New variables.
8437 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8438 (get_noswitch_section): New function.
8439 (get_block_for_section): Allow SECT to be null.
8440 (unlikely_text_section_p): Use SECTION_STYLE.
8441 (bss_initializer_p): New function.
8442 (get_variable_section): Move earlier in file. Take a new argument,
8443 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8444 Return one of the new *_sections in such cases.
8445 (get_block_for_decl): New function, extracting some logic from
8446 use_blocks_for_decl_p.
8447 (change_symbol_section): Remove in favor of...
8448 (change_symbol_block): ...this new function.
8449 (use_blocks_for_decl_p): Remove checks now performed by
8451 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8452 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8453 (emit_local, emit_bss, emit_common): ...these new functions.
8454 Return true if the alignment was honored.
8455 (emit_tls_common): New function.
8456 (asm_emit_uninitialised): Delete.
8457 (assemble_variable_noswitch): New function, split out from...
8458 (assemble_variable): ...here. Don't make decisions about common
8459 variables here. Globalize all public decls that go into non-common
8460 sections. Check whether SYMBOL_REF_BLOCK is null.
8461 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8462 (output_constant_pool): Likewise.
8463 (init_varasm_once): Initialize the new section variables.
8464 (have_global_bss_p): New function.
8465 (categorize_decl_for_section): Use bss_initializer_p.
8466 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8467 (place_block_symbol): Assert that the symbol must be in a block.
8468 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8469 (TARGET_INITIALIZER): Include it.
8470 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8471 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8472 (SECTION_MACH_DEP): Bump by two.
8473 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8474 (unnamed_section): Mention SECTION_UNNAMED in comment.
8475 (named_section): Likewise SECTION_NAMED.
8476 (noswitch_section_callback): New type.
8477 (noswitch_section): New structure.
8478 (section): Add a noswitch_section alternative.
8479 (SECTION_STYLE): New macro.
8480 (tls_comm_section, comm_section, lcomm_section): Declare.
8481 (bss_noswitch_section, have_global_bss_p): Declare.
8482 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8483 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8485 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8486 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8489 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8491 * tree-vrp.c (execute_vrp): Return value.
8492 * regrename.c (rest_of_handle_regrename): Ditto.
8493 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8494 * tree-complex.c (tree_lower_complex): Ditto.
8495 (tree_lower_complex_O0): Ditto.
8496 * tracer.c (rest_of_handle_tracer): Ditto.
8497 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8498 * postreload.c (rest_of_handle_postreload): Ditto.
8499 * tree-tailcall.c (execute_tail_recursion): Ditto.
8500 (execute_tail_calls): Ditto.
8501 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8502 * tree.h (init_function_for_compilation): Ditto.
8503 * ipa-cp.c (ipcp_driver): Ditto.
8504 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8505 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8506 * final.c (compute_alignments): Ditto.
8507 (rest_of_handle_final): Ditto.
8508 (rest_of_handle_shorten_branches): Ditto.
8509 (rest_of_clean_state): Ditto.
8510 * omp-low.c (execute_expand_omp): Ditto.
8511 (execute_lower_omp): Ditto.
8512 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8513 * ipa-reference.c (static_execute): Ditto.
8514 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8515 * reorg.c (rest_of_handle_delay_slots): Ditto.
8516 (rest_of_handle_machine_reorg): Ditto.
8517 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8518 * flow.c (recompute_reg_usage): Ditto.
8519 (rest_of_handle_remove_death_notes): Ditto.
8520 (rest_of_handle_life): Ditto.
8521 (rest_of_handle_flow2): Ditto.
8522 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8523 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8524 (do_ssa_store_ccp): Ditto.
8525 (execute_fold_all_builtins): Ditto.
8526 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8527 * modulo-sched.c (rest_of_handle_sms): Ditto.
8528 * ipa-pure-const.c (static_execute): Ditto.
8529 * cse.c (rest_of_handle_cse): Ditto.
8530 (rest_of_handle_cse2): Ditto.
8531 * web.c (rest_of_handle_web): Ditto.
8532 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8533 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8534 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8535 * tree-nrv.c (tree_nrv): Ditto.
8536 (execute_return_slot_opt): Ditto.
8537 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8538 (create_structure_vars): Ditto.
8539 * loop-init.c (rtl_loop_init): Ditto.
8540 (rtl_loop_done): Ditto.
8541 (rtl_move_loop_invariants): Ditto.
8542 (rtl_unswitch): Ditto.
8543 (rtl_unroll_and_peel_loops): Ditto.
8544 (rtl_doloop): Ditto.
8545 * gimple-low.c (lower_function_body): Ditto.
8546 (mark_used_blocks): Ditto.
8547 * tree-ssa-sink.c (execute_sink_code): Ditto.
8548 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8549 (cgraph_early_inlining): Ditto.
8550 * global.c (rest_of_handle_global_alloc): Ditto.
8551 * jump.c (cleanup_barriers): Ditto.
8552 (purge_line_number_notes): Ditto.
8553 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8554 (rest_of_handle_if_after_reload): Ditto.
8555 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8556 (tree_ssa_loop_im): Ditto.
8557 (tree_ssa_loop_unswitch): Ditto.
8558 (tree_vectorize): Ditto.
8559 (tree_linear_transform): Ditto.
8560 (tree_ssa_loop_ivcanon): Ditto.
8561 (tree_ssa_empty_loop): Ditto.
8562 (tree_ssa_loop_bounds): Ditto.
8563 (tree_complete_unroll): Ditto.
8564 (tree_ssa_loop_prefetch): Ditto.
8565 (tree_ssa_loop_ivopts): Ditto.
8566 (tree_ssa_loop_done): Ditto.
8567 * predict.c (tree_estimate_probability): Ditto.
8568 * recog.c (split_all_insns_noflow): Ditto.
8569 (rest_of_handle_peephole2): Ditto.
8570 (rest_of_handle_split_all_insns): Ditto.
8571 * tree-eh.c (lower_eh_constructs): Ditto.
8572 * regmove.c (rest_of_handle_regmove): Ditto.
8573 (rest_of_handle_stack_adjustments): Ditto.
8574 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8575 * function.c (instantiate_virtual_regs): Ditto.
8576 (init_function_for_compilation): Ditto.
8577 (rest_of_handle_check_leaf_regs): Ditto.
8578 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8579 (rest_of_handle_gcse): Ditto.
8580 * ipa-type-escape.c (type_escape_execute): Ditto.
8581 * alias.c (rest_of_handle_cfg): Ditto.
8582 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8583 * profile.c (rest_of_handle_branch_prob): Ditto.
8584 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8585 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8586 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8587 * tree-dfa.c (find_referenced_vars): Ditto.
8588 * except.c (set_nothrow_function_flags): Ditto.
8589 (convert_to_eh_region_ranges): Ditto.
8590 (rest_of_handle_eh): Ditto.
8591 * emit-rtl.c (unshare_all_rtl): Ditto.
8592 (remove_unnecessary_notes): Ditto.
8593 * except.h (set_nothrow_function_flags): Ditto.
8594 (convert_to_eh_region_ranges): Ditto.
8595 * cfgexpand.c (tree_expand_cfg): Ditto.
8596 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8597 * tree-ssa-pre.c (do_pre): Ditto.
8598 (execute_fre): Ditto.
8599 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8600 (rest_of_handle_jump2): Ditto.
8601 * tree-sra.c (tree_sra): Ditto.
8602 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8603 (execute_mudflap_function_decls): Ditto.
8604 * tree-ssa-copy.c (do_copy_prop): Ditto.
8605 (do_store_copy_prop): Ditto.
8606 * ipa-prop.h (ipcp_driver): Ditto.
8607 * cfglayout.c (insn_locators_initialize): Ditto.
8608 * tree-ssa-forwprop.c
8609 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8610 * cfglayout.h (insn_locators_initialize): Ditto.
8611 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8612 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8613 (execute_late_warn_uninitialized): Ditto.
8614 * rtl.h (cleanup_barriers): Ditto.
8615 (split_all_insns_noflow): Ditto.
8616 (purge_line_number_notes): Ditto.
8617 (unshare_all_rtl): Ditto.
8618 (remove_unnecessary_notes): Ditto.
8619 (recompute_reg_usage): Ditto.
8620 (variable_tracking_main): Ditto.
8621 * integrate.c (emit_initial_value_sets): Ditto.
8622 * integrate.h (emit_initial_value_sets): Ditto.
8623 * tree-optimize.c (execute_free_datastructures): Ditto
8624 (execute_free_cfg_annotations): Ditto.
8625 (execute_fixup_cfg): Ditto.
8626 (execute_cleanup_cfg_pre_ipa): Ditto.
8627 (execute_cleanup_cfg_post_optimizing): Ditto.
8628 (execute_init_datastructures): Ditto.
8629 * tree-object-size.c (compute_object_sizes): Ditto.
8630 * combine.c (rest_of_handle_combine): Ditto.
8631 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8632 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8633 (rest_of_handle_reorder_blocks): Ditto.
8634 (rest_of_handle_partition_blocks): Ditto.
8635 * var-tracking.c (variable_tracking_main): Ditto.
8636 * tree-profile.c (tree_profiling): Ditto.
8637 * tree-vect-generic.c (expand_vector_operations): Ditto.
8638 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8639 * sched-rgn.c (rest_of_handle_sched): Ditto.
8640 (rest_of_handle_sched2): Ditto.
8641 * basic-block.h (free_bb_insn): Ditto.
8642 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8643 * tree-cfg.c (execute_build_cfg): Ditto.
8644 (remove_useless_stmts): Ditto.
8645 (split_critical_edges): Ditto.
8646 (execute_warn_function_return): Ditto.
8647 (execute_warn_function_noreturn): Ditto.
8648 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8649 * cfgrtl.c (free_bb_for_insn): Ditto.
8650 * passes.c (execute_one_pass): Run additional
8651 todos returned by execute function.
8652 * tree-pass.h (struct tree_opt_pass): Make execute
8655 2006-03-02 Richard Guenther <rguenther@suse.de>
8657 * tree-ssa-alias.c (find_used_portions): Consider taking
8658 the address as making the variable not write-only.
8660 2006-03-02 Nick Clifton <nickc@redhat.com>
8662 * config.gcc (default_use_cxa_atexit): Extend the description of
8663 this configure variable. Set its default value to "yes" for
8664 Linux, NetBSD and ELF targets on the assumption that they will
8665 use C libraries with the __cxa_atexit function.
8667 2006-03-02 Ben Elliston <bje@au.ibm.com>
8669 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8670 parameter as unused to suppress a build warning.
8672 2006-03-02 Ben Elliston <bje@au.ibm.com>
8674 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8677 2006-03-01 Roger Sayle <roger@eyesopen.com>
8680 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8681 declared name, the weak reference name, and the typeof name.
8682 (__gthrw): Avoid expanding the declared name suffix.
8683 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8685 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8687 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8689 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8690 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8691 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8692 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8693 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8694 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8695 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8696 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8697 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8698 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8699 (DW_END_default, DW_END_big, DW_END_little): New.
8700 (DW_END_lo_user, DW_END_hi_user): Define.
8701 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8702 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8703 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8706 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8708 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8710 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8712 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8714 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8716 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8717 to 'symbol_mem_tag'.
8719 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8722 2006-03-01 Roger Sayle <roger@eyesopen.com>
8724 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8726 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8729 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8730 MACHO_DYNAMIC_NO_PIC_P.
8731 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8733 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8736 * config/darwin-protos.h (darwin_asm_output_anchor):
8738 * config/darwin-sections.def (cstring_section):
8739 Add SECTION_MERGE to the flags.
8740 (literal4_section): Likewise.
8741 (literal8_section): Likewise.
8742 (objc_selector_refs_section): Likewise.
8743 (objc_cls_refs_section): Likewise.
8744 * config/darwin.c (darwin_asm_output_anchor): New
8746 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8748 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8750 Fix PR tree-optimization/26443
8751 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8752 to todo and PROP_tmt_usage to properties_destroyed.
8753 * tree-ssa-ccp.c (pass_ccp): Ditto.
8754 (pass_store_ccp): Ditto.
8755 * tree-ssa-dom.c (pass_dominator): Ditto.
8757 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8759 * tree-ssa-operands.c: Cleanup whitespace.
8760 (get_asm_expr_operands): Move before first invocation.
8761 (get_indirect_ref_operands): Likewise.
8762 (get_tmr_operands): Likewise.
8763 (get_call_expr_operands): Likewise.
8764 (append_def): Likewise.
8765 (append_use): Likewise.
8766 (append_v_may_def): Likewise.
8767 (append_v_must_def): Likewise.
8768 (add_call_clobber_ops): Likewise.
8769 (add_call_read_ops): Likewise.
8770 (add_stmt_operand): Likewise.
8771 (add_virtual_operand): Likewise.
8772 (build_ssa_operands): Likewise.
8774 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8779 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8780 with a call expr to ...
8781 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8783 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8785 * tree-vrp.c (extract_range_from_assert): Remove special
8786 handling for types with super-types.
8788 2006-03-01 Ben Elliston <bje@au.ibm.com>
8790 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8791 and powerpc64-*-linux* configurations.
8792 * config/t-dfprules: New file.
8794 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8795 Compile dfp-bit.c from the source directory using -DWIDTH and
8796 $DFP_CFLAGS to control the compilation of that file, rather than
8797 generating width-specific versions in the build directory.
8798 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8799 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8801 2006-02-28 Zack Weinberg <zackw@panix.com>
8803 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8806 2006-02-28 Eric Christopher <echristo@apple.com>
8808 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8809 Set up IN_LIBGCC definition of TARGET_64BIT.
8810 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8812 2006-02-28 Roger Sayle <roger@eyesopen.com>
8815 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8816 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8817 cases via the construction of "expr != 0".
8819 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8821 * alias.c (alias_invariant, alias_invariant_size): Remove.
8822 (record_base_value): Remove.
8823 (memrefs_conflict_p): Don't look at alias_invariant.
8824 (end_alias_analysis): Don't free it.
8825 * alias.h (record_base_value): Remove prototype.
8827 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8828 Adam Nemet <anemet@caviumnetworks.com>
8830 * rtl.h (truncated_to_mode): Declare it.
8831 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8832 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8833 (RTL_HOOKS_INITIALIZER): Include it.
8834 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8835 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8836 reg_truncated_to_mode.
8837 * rtlanal.c (truncated_to_mode): Define it.
8838 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8840 2006-02-28 Jeff Law <law@redhat.com>
8842 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8843 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8844 the range allowed by TYPE_PRECISION.
8846 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8848 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8850 PR tree-optimization/26419
8851 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8854 2006-02-27 Zack Weinberg <zackw@panix.com>
8856 * doc/md.texi: Fix typo in previous change.
8858 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8862 2006-02-27 Zack Weinberg <zackw@panix.com>
8864 * rtl.def (define_constraint, define_register_constraint)
8865 (define_memory_constraint, define_address_constraint): New MD forms.
8866 * gensupport.c (process_rtx): Put define_constraint etc on the
8868 * genpreds.c (process_define_predicate): Adjust comment. Validate
8869 the name, and call validate_exp to validate the expression.
8870 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8871 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8872 all callers changed.
8873 (validate_exp, needs_variable, struct constraint_data)
8874 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8875 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8876 (const_dbl_constraints, constraint_max_namelen)
8877 (have_register_constraints, have_memory_constraints)
8878 (have_address_constraints, have_address_constraints)
8879 (have_extra_constraints, have_const_int_constraints)
8880 (have_const_dbl_constraints, mangle, add_constraint)
8881 (process_define_constraint, process_define_register_constraint)
8882 (write_enum_constraint_num, write_lookup_constraint)
8883 (write_insn_constraint_len, write_regclass_for_constraint)
8884 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8885 (write_insn_extra_memory_constraint)
8886 (write_insn_extra_address_constraint)
8887 (write_satisfies_constraint_fns): New.
8888 (write_tm_preds_h): If we have new-style constraint definitions,
8889 prototype the functions generated from them, and define the
8890 old constraint interface (still used by generic code) in terms of
8892 (write_insn_preds_c): If we have new-style constraint definitions,
8893 generate all relevant functions from those definitions.
8894 (main): Handle define_constraint etc.
8895 * genoutput.c (struct constraint_data, indep_constraints)
8896 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8897 (mdep_constraint_len): New data structures and functions, defined
8898 #ifdef USE_MD_CONSTRAINTS.
8899 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8900 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8901 use new logic to validate operand constraints against constraint
8903 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8905 * defaults.h: If none of the old-style constraint macros are
8906 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8907 old-style macros; and poison REG_CLASS_FROM_LETTER,
8908 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8910 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8911 * doc/md.texi: Document new constraint-definition mechanism and the
8912 C interface it provides. Remove references to old mechanism
8913 elsewhere in the document.
8914 (Machine Constraints): Use pathnames relative to gcc directory,
8915 i.e. config/ARCH/FILE. Change i386 section to refer to
8916 config/i386/predicates.md; update that section to match docstrings.
8917 * doc/tm.texi: Move all documentation of the old constraint-
8918 definition macros to their own section, clearly mark as obsolete.
8920 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8921 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8923 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8924 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8925 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8927 (splits and peepholes): Use satisfies_constraint_*.
8928 * config/i386/i386.c (memory_address_length)
8929 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8931 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8933 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8934 scalar operation to be put back into the loop.
8936 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8939 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8940 (extract_cie_info): Handle S flag in augmentation string.
8941 (execute_cfa_program): If context->signal_frame, execute also
8942 fs->pc == context->ra instructions.
8943 (uw_frame_state_for): If context->signal_frame, don't subtract one
8944 from context->ra to find FDE.
8945 (uw_update_context_1): Set context->signal_frame to
8947 (_Unwind_GetIPInfo): New function.
8948 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8949 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8951 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8952 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8953 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8954 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8955 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8956 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8957 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8958 x86_64_fallback_frame_state): Set fs->signal_frame.
8959 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8960 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8961 (frob_update_context): Likewise. Workaround missing S flag in
8962 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8963 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8964 Remove the psw_addr + 1 hack.
8966 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8968 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8969 with aggregates here.
8970 (find_func_aliases): Remove code for &<aggregate> from here.
8972 2006-02-26 Roger Sayle <roger@eyesopen.com>
8974 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8975 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8976 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8979 2006-02-26 Roger Sayle <roger@eyesopen.com>
8982 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8984 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8986 * opts.c (decode_options): Do not handle flag_strength_reduce.
8987 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8988 and OPT_fstrength_reduce.
8989 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8990 flag_prefetch_loop_arrays for being nonzero.
8991 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8993 (fprefetch-loop-arrays-rtl): Removed.
8994 (flag_prefetch_loop_arrays): Do not specify the value.
8996 * doc/passes.texi: Update documentation of loop optimizer
8998 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8999 -frerun-loop-opt): Remove.
9001 2006-02-26 Richard Guenther <rguenther@suse.de>
9003 PR tree-optimization/26421
9004 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9005 in function calls that are ADDR_EXPRs as using the whole structure.
9007 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9009 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9010 * tree-pass.h (pass_loop_optimize): Remove.
9011 * passes.c (pass_loop_optimize): Never run it.
9012 * toplev.c (backend_init): Don't call init_loop.
9013 * opts.c (flag_loop_optimize_set): Remove.
9014 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9015 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9016 the old RTL loop optimizer when profiling enabled.
9017 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9018 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9019 pre-headers for the sake of the old RTL loop optimizer.
9020 * Makefile.in: Remove all references to loop.o.
9022 * doc/invoke.texi: Remove all references to -floop-optimize
9023 and -frerun-loop-opt.
9025 2006-02-26 Zack Weinberg <zackw@panix.com>
9027 * doc/md.texi (Machine Constraints): Refer to all files with paths
9028 relative to gcc directory (i.e. config/CPU/file). Add missing
9029 @table @code ... @end table to M32C subsection.
9031 2006-02-26 Roger Sayle <roger@eyesopen.com>
9033 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9035 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9037 2006-02-26 Roger Sayle <roger@eyesopen.com>
9038 James A. Morrison <phython@gcc.gnu.org>
9041 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9042 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9043 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9044 signedness of the shift operation.
9046 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9048 PR tree-optimization/26359
9049 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9051 2006-02-25 Roger Sayle <roger@eyesopen.com>
9053 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9054 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9055 as X == 0, and some symmetry related transformations.
9056 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9058 2006-02-25 Roger Sayle <roger@eyesopen.com>
9061 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9062 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9063 symmetry related transformations. Fold (X^C1) == C2 as
9066 2006-02-25 Juergen Weigert <jw@suse.de>
9067 Richard Guenther <rguenther@suse.de>
9069 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9071 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9073 * combine.c (gen_lowpart_or_truncate): Call
9074 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9076 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9078 * doc/invoke.texi: Move -fopenmp description to "Options for
9080 Remove reference to -lgomp.
9082 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9084 * doc/install.texi: Require GNU tar version 1.14.
9086 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9088 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9089 * doc/invoke.texi (C++ Dialect Options): Document
9090 -fno-use-cxa-get-exception-ptr.
9091 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9092 * configure: Regenerate.
9093 * c.opt (fuse-cxa-get-exception-ptr): New.
9094 * c-opts.c (c_common_handle_option): Handle
9095 OPT_fuse_cxa_get_exception_ptr.
9096 * c-common.c (flag_use_cxa_atexit): Update documentation.
9097 (flag_use_cxa_get_exception_ptr): New.
9098 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9099 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9101 (C_COMMON_OVERRIDE_OPTIONS): New.
9103 2006-02-24 Roger Sayle <roger@eyesopen.com>
9106 * combine.c (try_combine): Explicitly check whether GET_CODE is
9107 a SET or a CLOBBER, instead on checking that it isn't a USE.
9109 2006-02-24 Roger Sayle <roger@eyesopen.com>
9111 * fold-const.c (fold_comparison): New subroutine of fold_binary
9112 containing transformations common to both the equality and
9113 ordering relational operators, factored out of fold_binary.
9114 (fold_binary): Separate out the equality operators (EQ_EXPR
9115 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9116 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9117 transformations common to both.
9118 (fold_div_compare): Fix latent bugs in the previously unreachable
9119 LT_EXPR and GE_EXPR cases.
9121 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9123 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9124 decl libname for clog to __clog on AIX.
9126 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9128 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9131 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9132 output traceback table for thunks. Localise rs6000_stack_info call.
9134 2006-02-23 Roger Sayle <roger@eyesopen.com>
9135 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9137 * gthr-posix.h (__gthrw): Fix typo in comment.
9139 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9141 * doc/cpp.texi (Character sets): Document that we do support
9142 input files to be in any character set.
9144 2006-02-23 Jeff Law <law@redhat.com>
9146 * tree.h (PHI_ARG_NONZERO): Remove.
9147 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9148 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9149 node to the new node.
9151 PR tree-optimization/26425
9152 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9153 min/max, then assume its varying.
9155 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9157 PR rtl-optimization/26316
9158 * rtlanal.c (enum may_trap_p_flags): New.
9159 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9160 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9161 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9162 (may_trap_after_code_motion_p): New function.
9163 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9164 (find_invariant_insn): Use may_trap_after_code_motion_p.
9165 * rtl.h (may_trap_after_code_motion_p): Declare.
9167 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9169 * emit-rtl.c (immed_double_const): Cleanup.
9171 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9173 Fix PR tree-optimization/26376
9174 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9177 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9180 * gimplify.c (omp_add_variable): Guard variable size decl test with
9181 DECL_SIZE (decl) check.
9183 2006-02-23 Richard Guenther <rguenther@suse.de>
9186 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9187 like aggregate types.
9189 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9191 * configure.ac: Add --with{,out}-long-double-128 configure option.
9192 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9193 * configure: Rebuilt.
9194 * config.in: Rebuilt.
9195 * doc/install.texi (Options specification): Document
9196 --with-long-double-128.
9198 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9199 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9200 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9201 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9203 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9205 * config/s390/s390.c (override_options): Handle
9206 TARGET_DEFAULT_LONG_DOUBLE_128.
9208 * config/alpha/alpha.c (override_options): Handle
9209 TARGET_DEFAULT_LONG_DOUBLE_128.
9211 * config/sparc/sparc.c (sparc_override_options): Handle
9212 TARGET_DEFAULT_LONG_DOUBLE_128.
9214 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9216 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9217 (real-install-headers-tar, real-install-headers-cpio)
9218 (real-install-headers-cp): New targets.
9220 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9222 * tree.h (variable_section): Delete.
9223 * varasm.c (variable_section): Delete.
9225 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9227 * install.texi: Add notes on install.texi2html.
9228 (Building in parallel): Do not use footnotes.
9230 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9233 * doc/install.texi (Configuration): Document --disable-libgomp.
9235 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9237 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9239 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9241 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9242 (vec_extractv2df_0_sse): New.
9244 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9246 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9247 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9248 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9249 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9250 to the result of the expression.
9251 (def_cfa_1): Adjust.
9252 (frame_pointer_cfa_offset): Rename to...
9253 (frame_pointer_fb_offset): ... this. Adjust all uses.
9254 (convert_cfa_to_loc_list): Rename to...
9255 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9256 Pass it on to build_cfa_loc.
9257 (compute_frame_pointer_to_cfa_displacement): Rename to...
9258 (compute_frame_pointer_to_fb_displacement): ... this. New
9259 offset parameter. Use it in computation.
9260 (gen_subprogram_die): Compute cfa_fb_offset with the new
9261 macro, and use it to compute the fb loc list and the
9264 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9266 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9267 replaced with register_operand.
9268 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9269 non-DREG is expensive.
9270 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9271 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9274 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9276 * doc/install.texi2html: Use set -e.
9278 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9280 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9281 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9282 * doc/invoke.texi (-fshared-data): Delete.
9283 * common.opt (fshared-data): Delete.
9284 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9285 (assemble_static_space): Remove #if 0 code.
9286 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9287 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9288 * config/cris/cris.h: Remove FIXME.
9290 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9292 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9295 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9298 * combine.c (simplify_shift_const_1): Disable nested shifts
9299 optimization for vector shifts.
9301 2006-02-20 Roger Sayle <roger@eyesopen.com>
9303 PR tree-optimization/26361
9304 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9305 of unsigned integer types.
9307 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9309 * tree-chrec.c (eq_evolutions_p): New.
9310 * tree-chrec.h (eq_evolutions_p): Declared.
9311 * tree-data-ref.c: Fix formatting.
9312 (datadep_stats, dependence_stats): New.
9314 (print_direction_vector): New.
9315 (dump_data_dependence_relation): Use print_direction_vector.
9316 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9317 (compute_subscript_distance): Static.
9318 (initialize_data_dependence_relation): Static. Get the number
9319 of loops surrounding the references from the callers, and initialize
9320 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9321 base_object_differ_p analyzers.
9322 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9323 compute_overlap_steps_for_affine_1_2,
9324 analyze_subscript_affine_affine): Count the classified dependences.
9325 Print a message when a test failed.
9326 (can_use_analyze_subscript_affine_affine): New.
9327 (analyze_siv_subscript): Compute the data dependences on symbolic
9328 scevs that verify can_use_analyze_subscript_affine_affine.
9329 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9330 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9331 Handle symbolic scevs.
9332 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9334 (subscript_dependence_tester): Moved...
9335 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9336 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9337 DDR_SIZE_VECT instead of getting it in parameter.
9338 (subscript_dependence_tester): ... here. Take as a parameter
9339 loop_nest_depth. Call build_classic_dist_vector and
9340 build_classic_dir_vector.
9341 (compute_affine_dependence): Update subscript_dependence_tester
9342 parameters. Update datadep_stats counters. Call
9343 compute_subscript_distance.
9344 (compute_self_dependence): Save the dist and dir vectors. Call
9345 compute_subscript_distance.
9346 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9347 (compute_all_dependences): Reorder parameters as they were before
9348 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9349 compute_subscript_distance. Update the use of
9350 compute_affine_dependence and initialize_data_dependence_relation.
9351 (find_data_references_in_loop): Handle COMPONENT_REF.
9352 (compute_data_dependences_for_loop): Initialize dependence_stats.
9353 Don't call build_classic_dist_vector and build_classic_dir_vector.
9354 Update the parameters of initialize_data_dependence_relation and
9355 compute_all_dependences. Print the statistics from datadep_stats.
9356 (analyze_all_data_dependences): Static. Not used until the pass for
9357 checking the data dependences is contributed.
9358 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9359 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9360 (initialize_data_dependence_relation, compute_affine_dependence,
9361 analyze_all_data_dependences, compute_subscript_distance): Removed.
9362 (print_direction_vector): New.
9363 * lambda.h (gcd): ... here.
9364 (lambda_vector_gcd): Moved here from gcd_vector.
9365 * lambda-code.c (gcd, gcd_vector): Removed.
9366 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9367 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9369 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9371 * ipa-type-escape.c: Tidy some comments and white space.
9372 * tree-ssa-operands.c: Likewise.
9374 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9377 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9378 (dump_decl_name): Do not walk the decl tree chains.
9379 * tree-pass.h (TDF_CHAIN): Remove.
9381 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9383 * Makefile.in (C): Remove
9385 (.PHONY): Remove C and PROTO
9387 2006-02-20 Roger Sayle <roger@eyesopen.com>
9390 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9391 deprecated CHAR_TYPE tree code.
9393 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9395 * configure.ac (target_list): Add install-info, dvi, html.
9396 * configure: Regenerate.
9398 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9399 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9400 treelang/Make-lang.in: Do not use double-colon rules.
9402 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9404 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9405 (TMT_USED_ALONE): New macro.
9406 * tree-pass.h (PROP_tmt_usage): New property.
9407 (TODO_update_tmt_usage): New todo.
9408 * tree-ssa-alias.c (updating_used_alone): New variable.
9409 (recalculate_used_alone): New function.
9410 (compute_may_aliases): Set updating_used_alone, call
9411 recalculate_used_alone.
9412 * tree-sra.c (pass_sra): Note that this pass destroys
9413 PROP_tmt_usage, and add TODO_update_tmt_usage.
9414 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9415 * tree-flow.h (updating_used_alone): Prototype.
9416 (recalculate_used_alone): Ditto.
9417 * passes.c (execute_todo): Add code to set updating_used_alone,
9418 and call recalculate.
9419 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9420 for clobber if used alone, and add assert to verify used_alone
9423 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9425 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9426 for non tls symbols added.
9427 (legitimize_address): Do nothing for PLUS expressions if one of the
9428 addends is a tls symbol reference.
9430 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9434 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9436 * Makefile.in (BOOTSTRAPPING): New.
9437 (quickstrap): New definition if BOOTSTRAPPING=yes.
9439 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9440 * configure.ac: Substitute all_selected_languages with the languages
9441 that were configured. For all the other variables except
9442 lang_specs_files, include all the languages in the tree.
9443 * configure: Regenerate.
9445 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9446 if there is one. Run the commands to run fixincludes in the same
9449 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9450 * doc/install.texi: Document exact conventions for searching target tools.
9451 Document --with-build-time-tools. Document toplevel bootstrap. Document
9452 something more about building an Ada cross-compiler. Don't list GNU Make
9453 requirements which affect all platforms.
9455 2006-02-19 Roger Sayle <roger@eyesopen.com>
9458 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9459 only equivalent if the have both the same mode and precision.
9461 2006-02-20 Ben Elliston <bje@au.ibm.com>
9463 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9465 2006-02-19 Roger Sayle <roger@eyesopen.com>
9466 Steven Bosscher <stevenb.gcc@gmail.com>
9468 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9469 constant pool references to identify stack mode constants.
9470 * rtlanal.c (constant_pool_constant_p): New predicate to check
9471 whether operand is a floating point constant in the pool.
9472 * rtl.h (constant_pool_constant_p): Prototype here.
9473 * loop.c (scan_loop): Avoid hoisting constants from the constant
9474 pool on STACK_REGS targets.
9475 (load_mems): Likewise.
9476 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9477 loads into x87 registers expensive in terms of register pressure.
9479 2006-02-19 Roger Sayle <roger@eyesopen.com>
9481 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9482 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9484 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9486 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9487 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9489 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9491 * doc/invoke.texi: Document -fipa-pta.
9492 * common.opt: Add ipa-pta option.
9493 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9494 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9495 (do_ds_constraint): Ditto.
9496 (get_constraint_for): Only add to referenced_vars if
9497 referenced_vars exists.
9498 (insert_into_field_list): Rewrite to do this unsorted.
9499 (insert_into_field_list_sorted): Rename old insert_into_field_list
9501 (create_function_info_for): Use insert_into_field_list_sorted.
9502 (create_variable_info_for): Rewrite so it uses unsorted version,
9503 since the field list is sorted.
9504 (intra_create_variable_infos): Only add to referenced_vars if
9505 referenced_vars exists.
9506 (ipa_pta_execute): Init heapvars, and delete when done.
9507 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9509 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9511 * doc/install.texi: Add missing `@samp'.
9513 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9515 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9518 2006-02-18 Mark Wielaard <mark@klomp.org>
9520 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9521 who added new 4.1 features, bug fixes and integration support.
9523 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9526 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9529 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9531 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9532 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9533 (copy_insn_1): Likewise. Don't copy each field individually.
9535 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9537 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9538 * rtl.c (rtx_size): Rename variable to...
9539 (rtx_code_size): ...this.
9540 (rtx_size): New function.
9541 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9542 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9544 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9545 * rtl.h (rtx_code_size): New variable.
9546 (rtx_size): Change from a variable to a function.
9547 (RTX_SIZE): Rename to...
9548 (RTX_CODE_SIZE): ...this.
9551 PR tree-optimization/17106
9552 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9553 (Anchored Addresses): New section.
9554 * doc/invoke.texi (-fsection-anchors): Document.
9555 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9556 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9557 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9558 * hooks.c (hook_bool_mode_rtx_false): New function.
9559 * hooks.h (hook_bool_mode_rtx_false): Declare.
9560 * gengtype.c (create_optional_field): New function.
9561 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9562 SYMBOL_REF_IN_BLOCK_P is true.
9563 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9564 (min_anchor_offset, max_anchor_offset): Likewise.
9565 (use_anchors_for_symbol_p): New hook.
9566 * toplev.c (compile_file): Call output_object_blocks.
9567 (target_supports_section_anchors_p): New function.
9568 (process_options): Check that -fsection-anchors is only used on
9569 targets that support it and when -funit-at-a-time is in effect.
9570 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9571 if the decl doesn't have one.
9572 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9573 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9574 of force_const_mem through use_anchored_address.
9575 (expand_expr_constant): New function.
9576 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9577 calling expand_expr for INDIRECT_REF.
9578 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9579 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9580 * expr.h (use_anchored_address): Declare.
9581 * loop-unroll.c: Don't declare rtx vectors here.
9582 * explow.c: Include output.h.
9583 (validize_mem): Call use_anchored_address.
9584 (use_anchored_address): New function.
9585 * common.opt (-fsection-anchors): New switch.
9586 * varasm.c (object_block_htab, anchor_labelno): New variables.
9587 (hash_section, object_block_entry_eq, object_block_entry_hash)
9588 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9589 (use_blocks_for_decl_p, change_symbol_section): New functions.
9590 (get_variable_section): New function, split out from assemble_variable.
9591 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9592 use_blocks_for_decl_p say so. Use change_symbol_section if the
9593 symbol has already been created.
9594 (assemble_variable_contents): New function, split out from...
9595 (assemble_variable): ...here. Don't output any code for
9596 block symbols; just pass them to place_block_symbol.
9597 Use get_variable_section and assemble_variable_contents.
9598 (get_constant_alignment, get_constant_section, get_constant_size): New
9599 functions, split from output_constant_def_contents.
9600 (build_constant_desc): Create a block symbol if use_object_blocks_p
9601 says so. Or into SYMBOL_REF_FLAGS.
9602 (assemble_constant_contents): New function, split from...
9603 (output_constant_def_contents): ...here. Don't output any code
9604 for block symbols; just pass them to place_section_symbol.
9605 Use get_constant_section and get_constant_alignment.
9606 (force_const_mem): Create a block symbol if use_object_blocks_p and
9607 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9608 (output_constant_pool_1): Add an explicit alignment argument.
9609 Don't switch sections here.
9610 (output_constant_pool): Adjust call to output_constant_pool_1.
9611 Switch sections here instead. Don't output anything for block symbols;
9612 just pass them to place_block_symbol.
9613 (init_varasm_once): Initialize object_block_htab.
9614 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9615 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9616 (place_block_symbol, get_section_anchor, output_object_block)
9617 (output_object_block_htab, output_object_blocks): New functions.
9618 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9619 (TARGET_ASM_OUT): Include it.
9620 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9621 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9622 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9623 (TARGET_INITIALIZER): Include them.
9624 * rtl.c (rtl_check_failed_block_symbol): New function.
9625 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9626 (block_symbol, object_block): New structures.
9627 (rtx_def): Add a block_symbol field to the union.
9628 (BLOCK_SYMBOL_CHECK): New macro.
9629 (rtl_check_failed_block_symbol): Declare.
9630 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9631 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9632 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9633 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9634 * output.h (output_section_symbols): Declare.
9635 (object_block): Name structure.
9636 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9637 (default_use_anchors_for_symbol_p): Declare.
9638 * Makefile.in (RTL_BASE_H): Add vec.h.
9639 (explow.o): Depend on output.h.
9640 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9641 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9642 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9643 (rs6000_use_blocks_for_constant_p): New function.
9645 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9647 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9649 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9652 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9655 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9657 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9661 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9664 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9665 instead of DECL_REGISTER.
9667 2006-02-18 Olivier Hainque <hainque@adacore.com>
9670 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9672 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9675 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9676 * opth-gen.awk: Handle Var and InverseMask together.
9677 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9678 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9679 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9680 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9682 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9683 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9684 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9685 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9686 LINUX_DYNAMIC_LINKER): Define.
9687 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9688 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9690 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9691 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9692 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9694 (TARGET_C99_FUNCTIONS): Don't define.
9695 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9696 GLIBC_DYNAMIC_LINKER.
9697 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9698 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9699 GLIBC_DYNAMIC_LINKER64): Define.
9700 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9701 LINUX_DYNAMIC_LINKER64.
9702 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9704 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9705 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9706 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9707 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9708 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9709 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9710 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9712 and LINUX_DYNAMIC_LINKER32.
9713 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9715 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9717 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9719 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9720 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9721 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9722 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9723 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9724 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9725 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9726 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9727 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9728 LINUX_DYNAMIC_LINKER): Define.
9729 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9730 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9731 GLIBC_DYNAMIC_LINKER64): Define.
9732 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9733 LINUX_DYNAMIC_LINKER64.
9734 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9735 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9736 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9737 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9738 LINUX_DYNAMIC_LINKER): Define.
9739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9740 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9741 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9742 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9743 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9744 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9745 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9746 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9747 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9748 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9750 * doc/invoke.texi (-muclibc): Remove caveat about supported
9753 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9755 * doc/cpp.texi (__TIMESTAMP__): Document.
9757 2006-02-17 Roger Sayle <roger@eyesopen.com>
9760 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9761 C is one less than the width of X (and related transformations).
9762 * simplify-rtx.c (simplify_unary_operation_1): Transform
9763 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9764 depending on STORE_FLAG_VALUE, were C is one less then the
9767 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9769 Fix PR tree-optimization/26341
9770 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9771 about NAME_MEMORY_TAG's.
9773 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9776 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9777 with hardware float support, and software float support. Add fcpy
9778 alternative to hardware patterns. Add alternatives to copy between
9779 general and floating-point registers to the 32-bit pattern.
9780 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9781 secondary reload to load a QI or HI mode constant into a floating
9783 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9784 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9786 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9789 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9791 (load_macho_picbase_di): Likewise.
9793 2006-02-16 Jeff Law <law@redhat.com>
9795 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9796 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9797 (ssa_name_nonzero_p): Likewise.
9798 (get_value_range): Return NULL if VRP is not running.
9799 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9800 VRP routines do not discover a range.
9801 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9802 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9803 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9804 (tree_expr_nonnegative_p): Similarly.
9805 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9806 (restore_nonzero_vars_to_original_value): Remove.
9807 (unsafe_associative_fp_binop): Remove.
9808 (tree_ssa_dominator_optimize): Remove initialization and
9809 finalization of nonzero_vars and nonzero_vars_stack.
9810 (dom_opt_initialize_block): No longer push marker on
9812 (dom_opt_finalize_block): No longer call
9813 restore_nonzero_vars_to_original_value.
9814 (record_equivalences_from_phis): No longer look for
9815 nonzero PHI arguments.
9816 (cprop_into_successor_phis): No longer propagate nonzero
9817 property into PHI arguments. Lose unused argument. Caller
9819 (record_equivalences_from_stmt): No longer record nonzero
9820 values for SSA_NAMEs.
9821 (lookup_avail_expr): No longer use nonzero_vars.
9823 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9824 for sizetype when sizetype is unsigned.
9826 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9828 PR rtl-optimization/25603
9829 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9830 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9831 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9832 with new meaning of SETS.
9834 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9839 * config/linux.opt: New file.
9840 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9841 LINUX_DYNAMIC_LINKER): Define.
9842 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9843 * config.gcc (*-*-linux*): Define extra_options.
9844 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9845 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9846 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9847 GLIBC_DYNAMIC_LINKER.
9848 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9849 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9850 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9851 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9852 * doc/invoke.texi (GNU/Linux Options): New section.
9854 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9856 * config/sparc/sparc.md (setjmp): Rewrite.
9857 (setjmp_32): Delete.
9858 (setjmp_64): Likewise.
9860 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9862 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9865 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9867 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9870 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9872 PR rtl-optimization/26296
9873 * Makefile.in (loop-invariant.c): Add except.h dependency.
9874 * loop-invariant.c: Include except.h.
9875 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9877 2005-02-16 Paul Brook <paul@codesourcery.com>
9879 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9882 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9884 PR rtl-optimization/25636
9885 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9886 when deciding whether an insn is an initializing insn.
9888 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9890 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9891 (tree_code_size): Ditto.
9892 * tree.h (struct tree_memory_tag): Remove parent_var.
9893 (struct tree_struct_field_tag): New.
9896 (union tree_node): Add sft member.
9897 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9899 (create_sft): Add size and offset argument, set SFT_OFFSET and
9901 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9902 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9903 * tree-flow-inline.h (get_subvar_at): Update for
9904 SFT_OFFSET/SFT_SIZE.
9905 (var_can_have_subvars): Ditto.
9906 (overlap_subvar): Ditto.
9907 * print-tree.c (print_node): Print out interesting things for
9909 * tree-flow.h (struct subvar): Remove offset and size members.
9910 * tree-ssa-operands.c (get_expr_operands): Update for
9911 get_indirect_ref_operands changes.
9912 (get_indirect_ref_operands): Call add_virtual_operand instead of
9913 add_stmt_operand. Only recurse on base var if requested.
9914 (access_can_touch_variable): New function.
9915 (add_stmt_operand): Split virtual operand handling into ...
9916 (add_virtual_operand): Here. Add offset, size, and for_clobber
9917 arguments. Prune alias sets.
9918 (add_call_clobber_ops): Call add_virtual_operand.
9920 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9923 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9925 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9926 than TREE_CODE as index into omp_clause_num_ops array.
9928 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9930 PR rtl-optimization/26184
9931 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9933 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9934 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9935 must_precede, must_follow and tobe_scheduled.
9938 * opts.c (common_handle_option): Free new_option pointer.
9939 * df-core.c (df_analyze): Free postorder pointer.
9941 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9943 * Makefile.in: Fix the examples about the use of stamps
9945 2006-02-15 Michael Matz <matz@suse.de>
9949 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9950 influenced by maximum_field_alignment or DECL_PACKED.
9951 (update_alignment_for_field): Ditto.
9952 (place_field): Ditto.
9953 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9956 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9958 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9959 (debug_flow_info): Pass it.
9960 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9961 * bb-reorder.c (reorder_basic_blocks): Likewise.
9962 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9963 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9964 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9965 * gcse.c (gcse_main, bypass_jumps): Likewise.
9966 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9967 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9968 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9969 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9970 * rtl.h (dump_flow_info): Adjust prototype.
9971 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9972 * var-tracking.c (variable_tracking_main): Likewise.
9973 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9974 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9977 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9979 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9982 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9984 PR tree-optimization/26209
9985 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9986 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9988 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9990 2006-02-14 Roger Sayle <roger@eyesopen.com>
9993 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9994 (X,Y) and the corresponding symmetry related transformations.
9995 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9996 (X,Y) and its symmetry related transformations.
9998 2006-02-14 Roger Sayle <roger@eyesopen.com>
10000 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10003 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10005 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10007 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10010 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10011 support COMDAT group.
10012 * configure: Regenerate.
10014 2006-02-14 Roger Sayle <roger@eyesopen.com>
10016 PR middle-end/26279
10017 PR middle-end/26280
10018 PR middle-end/26283
10019 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10021 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10023 Fix PR tree-optimization/26260
10025 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10027 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10028 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10029 * tree-ssa-structalias.c (create_variable_info_for): Use
10030 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10032 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10034 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10036 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10037 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10038 of the ending condition.
10039 * tree-ssa-loop-manip.c: Include params.h.
10040 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10041 tree_unroll_loop): New functions.
10042 * tree-pass.h (pass_loop_prefetch): Declare.
10043 * loop.c (rest_of_handle_loop_optimize): Test for
10044 -fprefetch-loop-arrays-rtl.
10045 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10046 * timevar.def (TV_TREE_PREFETCH): New timevar.
10047 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10048 pass_loop_prefetch): New.
10049 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10050 (cleanup_tree_cfg_loop): Call scev_reset.
10051 * common.opt (fprefetch-loop-arrays-rtl): Add.
10052 * tree-ssa-loop-prefetch.c: New file.
10053 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10054 (new_temp_expr_table): Initialize expr_vars.
10055 (free_temp_expr_table): Cleanup expr_vars.
10056 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10057 expressions from being merged into one.
10058 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10059 (struct tree_niter_desc): Add control, bound and cmp fields.
10060 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10062 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10063 (tree-cfgcleanup.o): Add SCEV_H dependency.
10064 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10065 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10067 2006-02-14 Richard Guenther <rguenther@suse.de>
10069 PR tree-optimization/26258
10070 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10071 in PHI argument processing.
10073 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10075 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10076 new expression in the requested machine mode.
10078 2006-02-13 Roger Sayle <roger@eyesopen.com>
10080 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10081 directly, instead let do_compare_rtx_and_jump handle this for us.
10082 * expr.c (expand_expr_real_1): Likewise.
10083 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10084 before do_jump_by_parts_greater.
10085 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10086 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10088 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10090 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10092 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10094 PR rtl-optimization/26235
10095 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10096 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10099 2006-02-13 Jeff Law <law@redhat.com>
10101 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10104 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10106 PR middle-end/26092
10107 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10108 twice if decl is a builtin. When trying again, call get_callee_fndecl
10109 first to verify it is still a builtin.
10111 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10113 * dwarf2out.c (base_type_die): Don't add AT_name here.
10114 (subrange_type_die): Don't add AT_name here.
10115 (modified_type_die): Rearrange code flow. Do add AT_name here.
10117 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10119 PR rtl-optimization/26247
10120 PR rtl-optimization/26248
10121 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10123 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10125 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10126 * config/fixtfdi.c: Likewise.
10127 * config/fixunstfdi.c: Likewise.
10128 * config/floatditf.c: Likewise.
10130 2006-02-13 Roger Sayle <roger@eyesopen.com>
10132 PR middle-end/24427
10133 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10134 into (X,C2) if C1 is a subset of the bits of C2. Transform
10135 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10137 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10139 2006-02-13 Josh Conner <jconner@apple.com>
10142 * varasm.c (function_section): Check for section name before
10143 calling select_section on targets that define
10144 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10145 unlikely_text_section instead of hot_function_section if
10146 first_function_block_is_cold.
10148 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10150 PR middle-end/25335
10151 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10153 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10155 PR rtl-optimization/26222
10156 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10157 after tree->rtl expansion.
10158 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10159 before passing it to emit_move_insn.
10161 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10163 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10165 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10166 Clarify documentation.
10167 * c-common.h (warn_write_strings): Remove.
10168 * c-common.c (warn_write_strings): Likewise.
10169 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10172 2006-02-12 Roger Sayle <roger@eyesopen.com>
10174 PR middle-end/25724
10175 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10176 (do_jump_parts_zero_rtx): New function renamed from
10177 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10178 (do_jump_parts_equality_rtx): New function split out from
10179 do_jump_parts_equality. Old implementation renamed as above.
10180 Call do_jump_parts_zero_rtx if either operand is zero.
10181 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10182 do all of the heavy lifting.
10183 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10184 calling either do_jump_by_parts_greater_rtx or
10185 do_jump_by_parts_equality_rtx.
10186 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10187 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10188 moved to do_compare_rtx_and_jump, call it directly.
10189 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10190 mode argument. Call do_compare_rtx_and_jump.
10191 (emit_case_nodes): Update calls to do_jump_if_equal.
10193 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10195 PR rtl-optimization/26225
10196 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10198 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10200 PR rtl-optimization/26232
10201 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10203 2006-02-11 Jason Merrill <jason@redhat.com>
10206 * tree-inline.c (declare_return_variable): Just don't use the
10207 modify target if it's a gimple complex reg and the return slot
10210 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10212 * doc/contrib.texi: Update my entry.
10214 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10216 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10218 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10220 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10223 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10225 * doc/invoke.texi (-floop-optimize2): Removed.
10226 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10227 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10228 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10229 * common.opt (floop-optimize2): Removed.
10230 (fmove-loop-invariants): Enabled by default.
10232 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10234 * tree-if-conv.c (combine_blocks): Free the result of
10235 get_loop_exit_edges.
10237 2006-02-10 Jeff Law <law@redhat.com>
10239 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10241 PR tree-optimization/26213
10242 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10243 loop trying to follow SSA_NAME_VALUE chains.
10245 2006-02-10 Richard Guenther <rguenther@suse.de>
10247 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10248 deal with structures that end in implicitly variable sized arrays.
10250 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10252 PR rtl-optimization/24762
10253 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10256 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10258 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10259 (struct ivopts_data): Add regs_used field.
10260 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10261 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10262 instead of loop_data->regs_used;
10263 (free_loop_data): Do not free aux fields for loops.
10264 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10265 and tree_ssa_iv_optimize_finalize.
10267 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10269 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10271 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10274 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10275 computing the effective result type.
10277 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10279 PR inline-asm/16194
10280 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10281 (tree_overlaps_hard_reg_set): Declare.
10282 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10283 type and signature to match function type expected by walk_tree.
10284 (tree_overlaps_hard_reg_set): New function.
10285 (decl_conflicts_with_clobbers_p): Rename to:
10286 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10287 Use tree_overlaps_hard_reg_set. Changed caller.
10288 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10289 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10290 * cris.c (cris_md_asm_clobbers): Likewise.
10292 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10294 * reload1.c (emit_input_reload_insns): Delete code that tries to
10295 inherit using find_equiv_reg.
10297 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10299 * c-common.h (flag_const_strings): Don't declare.
10300 * c-common.c (flag_const_strings): Remove.
10301 * c.opt (fconst_strings): Remove.
10302 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10303 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10304 (c_common_init_options): Don't set flag_const_strings.
10305 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10307 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10309 * arm.md (tlobits_cbranch): New pattern.
10310 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10311 testing a single bit.
10313 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10316 * tree-ssa-pre.c (create_component_ref_by_pieces):
10317 Handle RETURN_DECL like VAR_DECL.
10319 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10321 PR middle-end/26134
10322 * fold-const.c (fold_indirect_ref_1): Fold
10323 "*(foo *)&complexfoo" to "__real__ complexfoo"
10324 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10326 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10328 * tree-flow-inline.h (var_can_have_subvars):
10329 Volatile variables should not have subvariables.
10331 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10334 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10335 multiplying unsigned values.
10338 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10340 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10342 2006-02-08 Jason Merrill <jason@redhat.com>
10345 * tree.def: Elaborate on difference from MODIFY_EXPR.
10346 * doc/c-tree.texi (INIT_EXPR): Likewise.
10347 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10348 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10349 (gimplify_target_expr): Likewise.
10350 (gimplify_cond_expr): Remove target handling.
10351 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10352 (gimplify_expr): Clobber it here.
10353 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10354 Do return slot optimization if we have an INIT_EXPR.
10357 * tree-inline.c (declare_return_variable): Also clear
10358 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10361 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10363 PR middle-end/22439
10364 * gimplify.c (gimplify_one_sizepos): Fix typo.
10366 2006-02-08 Jeff Law <law@redhat.com>
10368 PR tree-optimization/21417
10369 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10370 across a backedge if the control statement at the end of the
10371 block is data dependent on other statements in the same block.
10372 (record_temporary_equivalences_from_stmts): Remove over-conservative
10373 test for threading across backedges.
10375 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10376 control statement, handle all three special cases in the same
10377 manner as they all have the same desired solution. No longer
10378 special case edge flag updating when the post dominator is
10381 2006-02-08 Roger Sayle <roger@eyesopen.com>
10383 * tree.def (CHAR_TYPE): Remove.
10384 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10385 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10386 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10387 (gen_string_type_die): Delete unreachable function.
10389 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10390 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10391 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10392 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10393 * builtins.c (type_to_class): Likewise.
10394 * fold-const.c (fold_convert, build_range_check,
10395 merge_ranges): Likewise.
10396 * expr.c (count_type_elements): Likewise.
10397 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10398 * stor-layout.c (layout_type): Likewise.
10399 * ipa-type-escape.c (type_to_consider): Likewise.
10400 * gimplify.c (omp_firstprivatize_type_sizes,
10401 gimplify_type_sizes): Likewise.
10402 * explow.c (promote_mode): Likewise.
10403 * tree-sra.c (is_sra_scalar_type): Likewise.
10404 * varasm.c (output_constant): Likewise.
10405 * tree-inline.c (remap_type_1): Likewise.
10406 * convert.c (convert_to_pointer, convert_to_real,
10407 convert_to_integer, convert_to_complex): Likewise.
10409 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10411 * df-scan.c (df_def_record_1): A set destination may
10412 be a parallel regardless of mode.
10414 2006-02-08 Roger Sayle <roger@eyesopen.com>
10417 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10418 * config/mips/_tilib.c: Remove.
10419 * config/fixtfdi.c: New libgcc source file.
10420 * config/fixunstfdi.c: New source file.
10421 * config/floatditf.c: New source file.
10422 * config/floatunditf.c: New souce file.
10423 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10424 files above instead of config/mips/_tilib.c.
10425 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10427 2006-02-08 Jeff Law <law@redhat.com>
10429 PR tree-optimization/26169
10430 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10433 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10435 * df.h (DF_REG_SIZE): Return the length of the initialized
10438 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10440 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10441 __muldf3): Return a correctly signed zero.
10443 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10445 * passes.c (register_one_dump_file): Accept the current properties
10446 instead of pass number. Adjust call to dump_register. Remove
10448 (register_dump_files): Now a wrapper around...
10449 (register_dump_files_1): ... this one. Do not modify the pass
10451 (next_pass_1): Cosmetic fix.
10452 (execute_todo): Keep second parameter only. Use curr_properties
10453 instead of fetching it from the pass structure. Check and set
10455 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10456 instead of fetching it from the pass structure. Fix calls to
10457 execute_todo. Update curr_properties and initialize .vcg RTL dump
10458 after running the pass. Reset last_verified.
10459 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10461 (FIRST_AUTO_NUMBERED_DUMP): New.
10462 (dump_register): Remove "num" parameter, assign it within the
10464 (get_dump_file_name): Modify template for dumps.
10465 * tree-dump.h (dump_register): Adjust prototype.
10466 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10467 (PROP_trees): Add PROP_gimple_lomp.
10468 (TODO_set_props): New.
10469 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10470 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10471 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10473 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10475 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10476 (sparc64-*-linux*): Likewise.
10477 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10478 * config/sparc/t-linux: New file.
10479 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10480 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10481 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10482 -m32 -mlong-double-128.
10484 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10485 * config/alpha/t-linux: New file.
10486 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10488 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10489 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10490 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10491 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10492 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10493 (CPP_ARCH32_SPEC): Remove.
10495 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10497 PR tree-optimization/26145
10498 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10501 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10504 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10505 >= 240000 when generating code for SOM runtime.
10506 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10507 to $$dyncall when generating code for SOM runtime..
10509 2006-02-07 Dirk Mueller <dmueller@suse.com>
10512 * doc/invoke.texi (-Wsequence-point): Update documentation
10513 that -Wsequence-point is implemented for C++ as well.
10515 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10517 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10518 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10519 (LIB_SPEC): Likewise.
10520 * doc/invoke.texi (SPARC options): Document -pthread.
10522 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10524 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10527 2006-02-07 Roger Sayle <roger@eyesopen.com>
10529 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10530 Correct comment describing BOOLEAN_TYPE.
10532 2006-02-07 Dirk Mueller <dmueller@suse.com>
10534 * c.opt: C++ frontend supports -Wdiv-by-zero.
10535 * c-opts.c (c_common_handle_option): Remove dead case.
10537 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10539 * configure.ac (TLS assembler check): Do not enable TLS by
10540 default on SPARC/Solaris before version 10.
10541 * configure: Regenerate.
10543 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10545 * doc/invoke.texi (xl-compat): Document conversion and support
10548 2006-02-07 Jeff Law <law@redhat.com>
10550 * tree-vrp.c (find_conditional_asserts): Update comments.
10551 (simplify_stmt_for_jump_threading): New.
10552 (identify_jump_threads, finalize_jump_threads): New.
10553 (vrp_finalize): Call identify_jump_threads.
10554 (execute_vrp): Call finalize_jump_threads.
10555 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10556 (vrp_element, vrp_data, vrp_element_p): Remove.
10557 (vrp_hash_elt, vrp_variables_stack): Remove.
10558 (vrp_hash, vrp_eq, record_range): Remove.
10559 (simplify_cond_and_lookup_avail_expr): Remove.
10560 (extract_range_from_cond): Remove.
10561 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10562 (simplify_stmt_for_jump_threading): New.
10563 (dom_thread_across_edge): New wrapper.
10564 (tree_ssa_dominator_optimize): No longer initialize or
10565 finalize any of the VRP datastructures. Remove iteration
10566 step and simplify as a result of removal of iteration step.
10567 (pass_dominator): Perform a cfg cleanup after DOM.
10568 (dom_opt_finalize_block): Use the new common routines
10569 for threading jumps. Simplify stack management slightly.
10570 No longer need to unwind VRP state.
10571 (record_equivalences_from_incoming_edge): No longer record
10573 (eliminate_redundant_computations): No longer call
10574 simplify_cond_and_lookup_avail_expr.
10575 * tree-flow.h (potentially_threadable_block): Prototype.
10576 (thread_across_edge): Likewise.
10577 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10578 (tree-ssa-threadedge.o): Add dependencies.
10579 * tree-ssa-threadedge.c: New file.
10580 * passes.c (init_optimization_passes): Merge PHIs before
10581 calling VRP. Run VRP again late in the SSA optimization pipeline.
10583 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10585 * df-core.c (df_set_blocks): Do not dereference function pointers.
10586 (df_finish1): Likewise.
10587 (df_hybrid_search_forward): Likewise.
10588 (df_hybrid_search_backward): Likewise.
10589 (df_iterative_dataflow): Likewise.
10590 (df_analyze_problem): Likewise.
10591 (df_compact_blocks): Likewise.
10592 (df_dump): Likewise.
10593 * df-scan.c (df_rescan_blocks): Likewise.
10594 (df_record_entry_block_defs): Likewise.
10596 * genconditions.c (write_conditions): Guard the definition of
10597 'insn_conditions' with the check on GCC version.
10598 (write_writer): Guard the traversal 'insn_conditions' with
10599 the check on GCC version.
10601 2006-02-07 Richard Guenther <rguenther@suse.de>
10605 2006-01-30 Richard Guenther <rguenther@suse.de>
10607 * gimplify.c (gimplify_target_expr): Handle easy cases
10608 without creating a temporary.
10610 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10612 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10613 use of float in probability computations. Use edge probabilities
10614 in place of statically computed probabilities.
10615 (min_spec_prob): New static variable.
10616 (schedule_insns): Initialize it.
10617 (GET_SRC_PROB): Removed.
10618 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10620 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10623 * config/ia64/unwind-ia64.c: Revert last change.
10624 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10625 (INCOMING_FRAME_SP_OFFSET): Define.
10627 2006-02-06 Roger Sayle <roger@eyesopen.com>
10629 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10631 2006-02-07 Ben Elliston <bje@au.ibm.com>
10633 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10634 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10635 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10636 (ix86_return_in_memory): Handle TDmode.
10637 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10638 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10640 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10642 * reorg.c (dbr_schedule): Use dump_file instead of file.
10644 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10647 * config/ia64/predicates.md (extr_len_operand): New predicate.
10648 * config/ia64/ia64.md (extv): Tighten constraints.
10650 (*tbit_and_2): Ditto.
10651 (*tbit_and_3): Ditto.
10652 (*tbit_or_2): Ditto.
10653 (*tbit_or_3): Ditto.
10654 (*bit_zero): Ditto.
10657 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10660 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10662 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10664 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10665 loop_optimizer_init and loop_optimizer_finalize
10666 * tree-ssa-sink.c (execute_sink_code): Ditto.
10667 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10668 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10669 tree_ssa_loop_done): Ditto.
10670 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10671 * sched-ebb.c: Include output.h.
10672 (schedule_ebbs): Do not use dump argument.
10673 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10674 * loop.c (loop_dump_stream): Removed.
10675 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10677 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10678 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10679 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10680 loop_iterations, strength_reduce, record_biv, record_giv,
10681 final_giv_value, check_final_value, check_ext_dependent_givs,
10682 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10683 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10684 dump_file instead of loop_dump_stream.
10685 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10686 argument dump_file.
10687 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10689 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10690 * haifa-sched.c: Include output.h
10691 (schedule_insns, sched_init): Do not use dump argument.
10692 * mode-switching.c (optimize_mode_switching): Ditto.
10693 * modulo-sched.c (stats_file): Removed.
10694 (print_node_sched_params): Do not call argument dump_file.
10695 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10696 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10698 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10700 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10701 rtl_loop_init, rtl_loop_done): Ditto.
10702 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10703 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10705 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10706 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10707 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10708 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10709 * emit-rtl.c (renumber_insns): Ditto.
10710 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10711 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10712 * regclass.c (regclass): Ditto.
10713 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10714 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10715 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10716 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10718 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10719 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10721 * gcse.c (gcse_file, debug_stderr): Removed.
10722 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10723 rest_of_handle_gcse): Do not use dump argument.
10724 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10725 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10726 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10727 compute_code_hoist_vbeinout, compute_code_hoist_data,
10728 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10729 compute_store_table, build_store_vectors, insert_insn_start_bb,
10730 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10731 store_motion): Use dump_file instead of gcse_file.
10732 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10733 * profile.c (profile_dump_file): Removed.
10734 (branch_prob): Use dump_file instead of profile_dump_file.
10735 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10737 * tree-ssa-copy.c (dump_copy_of): Ditto.
10738 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10739 dump file to life_analysis.
10740 * bt-load.c (branch_target_load_optimize): Ditto.
10741 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10743 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10744 regclass, dbr_schedule): Declaration changed.
10745 * sched-int.h (sched_init): Declaration changed.
10746 * tree-profile.c (tree_profile_dump_file): Removed.
10747 (tree_profile_hooks): Removed profile_dump_file hook.
10748 * rtl-profile (rtl_profile_dump_file): Removed.
10749 (rtl_profile_hooks): emoved profile_dump_file hook.
10750 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10752 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10753 * tree-cfg.c (build_tree_cfg): Ditto.
10754 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10755 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10756 Declaration changed.
10757 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10758 life_analysis and schedule_insns.
10759 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10761 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10763 * config/mips/mips.c (mips_reorg): Ditto.
10764 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10767 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10769 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10770 (s390_mangle_fundamental_type): New.
10771 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10774 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10775 (alpha_mangle_fundamental_type): New.
10776 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10779 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10781 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10783 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10784 (sparc_mangle_fundamental_type): New.
10786 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10788 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10789 (s390x-*-linux*): Likewise.
10790 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10791 * config/s390/t-linux: New file.
10793 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10795 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10796 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10798 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10800 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10801 (ANTIC_SAFE_LOADS): New macro.
10802 (find_or_generate_expression): Add prototype.
10803 (set_contains_value): Allow null set for sake of not always having
10804 to allocate ANTIC_SAFE_LOADS.
10805 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10806 Allow COMPONENT_REF too.
10807 (valid_in_set): Allow COMPONENT_REF.
10808 Check ANTIC_SAFE_LOADS too.
10809 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10810 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10812 (can_PRE_operation): Add COMPONENT_REF.
10813 (create_component_ref_by_pieces): New function.
10814 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10815 (insert_aux): Move AGGREGATE_TYPE_P check here.
10816 (compute_avail): Set bb local stmt uids.
10817 (pass_pre): Use TODO_update_ssa_only_virtuals.
10819 2006-02-06 Ben Elliston <bje@au.ibm.com>
10821 * configure.ac: Unconditionally disable decimal float by default.
10822 * configure: Regenerate.
10824 2006-02-06 Ben Elliston <bje@au.ibm.com>
10826 * read-rtl.c (read_name): Terminate reading on EOF.
10828 2006-02-06 Ben Elliston <bje@au.ibm.com>
10830 * dfp.c (decimal_real_arithmetic): Change second argument type
10831 from int to enum tree_code. Do not always return true, but now
10832 return result of any call to decimal_do helper functions.
10833 * dfp.h (decimal_real_arithmetic): Update prototype.
10835 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10837 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10839 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10842 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10845 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10847 * tree-vrp.c (cfg_loops): Removed.
10848 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10849 Use current_loops instead of cfg_loops. Pass flags to
10850 loop_optimizer_init.
10851 * cfgloopmanip.c (fix_loop_structure): Update only available
10853 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10854 loop_optimizer_init.
10855 * modulo-sched.c (build_loops_structure): Removed.
10856 (sms_schedule): Use loop_optimizer_init.
10857 * loop-init.c (loop_optimizer_init): Use flags to determine
10858 which properties of loops to prepare.
10859 (rtl_loop_init): Pass flags to loop_optimizer_init.
10860 * tree-ssa-sink.c (execute_sink_code): Ditto.
10861 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10862 * tree-ssa-pre.c (init_pre): Ditto.
10863 * cfgloop.h (LOOPS_NORMAL): New.
10864 (loop_optimizer_init): Declaration changed.
10866 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10868 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10869 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10871 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10873 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10875 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10876 * pa/t-pa64: Delete quadlib.c rule.
10877 * pa/x-ada: Revert last change.
10878 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10880 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10882 PR rtl-optimization/26087
10883 * rtlanal.c (canonicalize_condition): Do not cross basic block
10886 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10889 * config/ia64/ia64.c: Include debug.h.
10890 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10891 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10892 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10893 (process_epilogue, process_set, process_for_unwind_directive):
10894 Output unwind info only if requested. Add CFA info if requested.
10895 Add new arguments as needed. Adjust callers.
10896 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10898 (DWARF2_FRAME_INFO): Define to zero.
10899 * config/ia64/unwind-ia64.c: Remove code that compensated for
10900 the CFA offset error fixed above.
10901 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10902 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10903 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10904 -funwind-tables and -fexceptions to enable frame info.
10905 (dwarf2out_frame_init): Define initial CFA even if
10906 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10907 DWARF2_UNWIND_INFO is nonzero, not just defined.
10908 (dwarf2out_frame_finish): Output non-EH call frame info only
10909 if DWARF2_FRAME_INFO is nonzero.
10910 (convert_cfa_to_loc_list,
10911 compute_frame_pointer_to_cfa_displacement): Define even if
10912 unwind info is not supported.
10913 (gen_subprogram_die): Use the above unconditionally. Remove
10914 legacy alternate code.
10915 * toplev.c (compile_file): Compile in call to
10916 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10917 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10919 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10920 Jakub Jelinek <jakub@redhat.com>
10922 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10923 IBM extended float format long double as "g" on powerpc*-linux.
10925 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10928 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10929 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10931 2006-02-03 Jason Merrill <jason@redhat.com>
10934 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10936 PR middle-end/25977
10937 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10938 on the return slot if it's an NRV.
10940 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10942 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10943 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10944 rewrite_use): Do not handle USE_OUTER.
10945 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10946 add_iv_outer_candidates, may_replace_final_value,
10947 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10948 (find_interesting_uses_op): Functionality of
10949 find_interesting_uses_outer_or_nonlin moved here.
10950 (find_interesting_uses_outside): Use find_interesting_uses_op.
10952 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10955 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10957 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10958 Ulrich Weigand <uweigand@de.ibm.com>
10961 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10962 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10963 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10964 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10966 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10967 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10968 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10969 Define secondary reloads for TFmode moves.
10970 (constant_modes): Add TFmode.
10971 (NR_C_MODES): Set to 8.
10972 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10974 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10975 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10976 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10977 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10978 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10979 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10980 (FPR mode macro): Add TFmode.
10981 (DSF mode macro): New.
10982 (<de>, <dee> mode attributes): Removed.
10983 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10984 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10985 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10986 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10987 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10988 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10989 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10990 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10991 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10992 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10993 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10994 "*negabs<mode>2", "sqrt<mode>2"):
10995 Changed <de> to <xde>. R constraint replaced by <Rf>.
10996 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10998 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10999 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11000 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11002 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11003 "extenddftf2", "extendsftf2"): New expanders.
11004 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11005 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11006 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11007 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11009 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11010 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11011 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11012 __floatditf): Add a GCC_4.1.0 symbol version tag.
11013 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11016 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11019 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11020 Use targetm.binds_local_p instead of TREE_PUBLIC.
11022 2006-02-02 Roger Sayle <roger@eyesopen.com>
11024 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11025 on INTEGER_TYPEs to indicate that it denotes a character type.
11026 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11027 signed_char_type_node, unsigned_char_type_node and char_type_node.
11028 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11029 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11030 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11032 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11033 Daniel Berlin <dberlin@dberlin.org>
11035 * tree-tailcall.c (arg_needs_copy_p): New function.
11036 (eliminate_tail_call): Use arg_needs_copy_p.
11037 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11038 (add_virtual_phis): New function.
11040 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11042 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11043 #ignore instead of #scratch for %g7 .register directive.
11045 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11047 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11050 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11052 * flow.c (calculate_global_regs_live): Assert that there aren't any
11055 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11057 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11058 what its name says.
11059 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11060 bsi_after_labels iterator.
11061 * tree-if-conv.c (find_phi_replacement_condition,
11062 replace_phi_with_cond_modify_expr): Likewise.
11063 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11064 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11066 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11068 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11070 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11073 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11074 array after growing it.
11076 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11078 PR middle-end/24901
11079 * fold-const.c (fold_checksum_tree): Change type of buf.
11081 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11083 * reload.c (push_secondary_reload): Initialize t_icode.
11085 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11087 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11088 -msoft-float -mlong-double-128 only issue a warning, but don't
11089 swich to DFmode long double.
11091 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11093 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11094 has a constant equivalent, iterate over equivalents for arg0,
11095 calling simplify_relational_operation and if there's a result
11096 cheaper than X, apply fold_rtx and return the result.
11098 2006-02-01 Jan Hubicka <jh@suse.cz>
11100 * opts.c (no_unit_at_a_time_default): New global variable.
11101 (decode_options): Use it.
11102 * opts.h (no_unit_at_a_time_default): Declare.
11104 2006-02-01 Paul Brook <paul@codesourcery.com>
11106 * function.c (assign_parm_setup_reg): Use function argument promotion
11108 * expr.c (expand_expr_real_1): Use function argument promotion rules
11111 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11113 * gcc.c (process_command): Change j to 'unsigned int'.
11115 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11117 PR middle-end/26001
11118 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11119 Use the corrected index for the character
11120 out of the string constant.
11122 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11124 * mode-switching.c (optimize_mode_switching): Fix size
11125 allocated for bb_info[n_entities].
11127 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11129 * gcc.c (main): Correct type that is allocated for
11130 explicit_link_files.
11132 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11134 * config/s390/s390.c (init_alignment_context): Set
11135 ALIAS_SET_MEMORY_BARRIER on the MEM.
11136 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11138 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11140 PR middle-end/25933
11141 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11143 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11146 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11148 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11149 * regrename.c: Ditto.
11150 * tree-ssa-loop-im.c: Ditto.
11151 * tree-dump.c: Ditto.
11152 * tree-complex.c: Ditto.
11153 * genrecog.c: Ditto.
11154 * tree-ssa-threadupdate.c: Ditto.
11156 * java/class.c: Ditto.
11157 * java/jcf-parse.c: Ditto.
11158 * java/resource.c: Ditto.
11159 * java/except.c: Ditto.
11160 * java/jvspec.c: Ditto.
11161 * java/jcf-write.c: Ditto.
11162 * java/jcf-path.c: Ditto.
11163 * java/gjavah.c: Ditto.
11164 * java/zextract.c: Ditto.
11165 * java/jcf-io.c: Ditto.
11166 * java/jcf.h: Ditto.
11167 * java/buffer.c: Ditto.
11168 * java/lang.c: Ditto.
11169 * java/parse-scan.y: Ditto.
11170 * java/lex.c: Ditto.
11171 * java/lex.h: Ditto.
11172 * cfgloopmanip.c: Ditto.
11173 * postreload-gcse.c: Ditto.
11174 * tree-ssa-loop-manip.c: Ditto.
11175 * postreload.c: Ditto.
11176 * tree-ssa-loop-ch.c: Ditto.
11179 * cppspec.c: Ditto.
11180 * diagnostic.c: Ditto.
11182 * genoutput.c: Ditto.
11184 * cfghooks.c: Ditto.
11185 * cfgloopanal.c: Ditto.
11186 * objc/objc-act.c: Ditto.
11188 * genextract.c: Ditto.
11189 * genautomata.c: Ditto.
11190 * pretty-print.c: Ditto.
11191 * genemit.c: Ditto.
11192 * cgraphunit.c: Ditto.
11194 * df-scan.c: Ditto.
11195 * haifa-sched.c: Ditto.
11196 * dominance.c: Ditto.
11198 * tree-ssa-loop-ivopts.c: Ditto.
11199 * df-core.c: Ditto.
11200 * mode-switching.c: Ditto.
11201 * modulo-sched.c: Ditto.
11203 * ipa-pure-const.c: Ditto.
11205 * fix-header.c: Ditto.
11207 * tree-stdarg.c: Ditto.
11208 * ipa-utils.c: Ditto.
11209 * loop-init.c: Ditto.
11210 * ipa-inline.c: Ditto.
11211 * cfganal.c: Ditto.
11213 * alloc-pool.c: Ditto.
11214 * dwarf2out.c: Ditto.
11216 * genattrtab.c: Ditto.
11217 * tree-ssa-loop-ivcanon.c: Ditto.
11218 * predict.c: Ditto.
11219 * timevar.c: Ditto.
11221 * fortran/gfortranspec.c: Ditto.
11222 * regmove.c: Ditto.
11223 * local-alloc.c: Ditto.
11224 * langhooks.c: Ditto.
11225 * function.c: Ditto.
11226 * tree-vectorizer.c: Ditto.
11228 * ipa-type-escape.c: Ditto.
11230 * tree-if-conv.c: Ditto.
11231 * profile.c: Ditto.
11233 * tree-data-ref.c: Ditto.
11234 * loop-unroll.c: Ditto.
11235 * treelang/treetree.c: Ditto.
11237 * bt-load.c: Ditto.
11238 * ggc-common.c: Ditto.
11240 * coverage.c: Ditto.
11242 * tree-cfgcleanup.c: Ditto.
11243 * tree-ssa-pre.c: Ditto.
11244 * cfgcleanup.c: Ditto.
11245 * loop-invariant.c: Ditto.
11246 * loop-iv.c: Ditto.
11247 * ipa-prop.c: Ditto.
11248 * print-tree.c: Ditto.
11249 * conflict.c: Ditto.
11250 * ggc-page.c: Ditto.
11251 * sched-deps.c: Ditto.
11252 * regclass.c: Ditto.
11253 * tree-object-size.c: Ditto.
11254 * combine.c: Ditto.
11255 * bb-reorder.c: Ditto.
11256 * resource.c: Ditto.
11257 * var-tracking.c: Ditto.
11258 * cfgloop.c: Ditto.
11259 * df-problems.c: Ditto.
11260 * reg-stack.c: Ditto.
11262 * gccspec.c: Ditto.
11263 * sched-rgn.c: Ditto.
11264 * tree-ssa-structalias.c: Ditto.
11265 * tree-ssa-reassoc.c: Ditto.
11266 * config/darwin-c.c: Ditto.
11267 * config/darwin.c: Ditto.
11268 * config/arm/arm.c: Ditto.
11270 * collect2.c: Ditto.
11271 * reload1.c: Ditto.
11273 2006-01-31 Nicolas Pitre <nico@cam.org>
11275 * arm.md (smaxsi3): Make aware of smax_m1.
11278 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11280 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11282 2006-01-31 Richard Guenther <rguenther@suse.de>
11284 * doc/invoke.texi (-msselibm): Document.
11285 * target.h (expand_library_builtin): New target hook.
11286 * builtins.c (expand_builtin): Use expand_library_builtin.
11287 (default_expand_library_builtin): New function.
11288 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11289 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11290 (link_gcc_math_spec): Declare.
11291 (static_specs): Add link_gcc_math_spec.
11292 * expr.h (default_expand_library_builtin): Declare.
11293 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11294 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11295 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11296 * config/i386/i386.opt (msselibm): New target option.
11297 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11298 (ix86_init_sse_abi_builtins): New function.
11299 (ix86_expand_library_builtin): Likewise.
11300 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11301 (override_options): Handle error conditions wrt -msselibm.
11302 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11303 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11304 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11307 2006-01-31 Richard Guenther <rguenther@suse.de>
11308 Paolo Bonzini <bonzini@gnu.org>
11310 * doc/install.texi (--disable-libgcc-math): Document.
11312 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11314 * expr.h (expand_normal): new inline function.
11315 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11316 * dojump.c: use it.
11317 * dwarf2out.c: use it.
11320 * expmed.c: use it.
11321 * except.c: use it.
11322 * config/sparc/sparc.c: use it.
11323 * config/i386/i386.c: use it.
11324 * config/rs6000/rs6000.c: use it.
11325 * config/arm/arm.c: use it.
11326 * config/mips/mips.c: use it.
11327 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11329 2006-01-30 Roger Sayle <roger@eyesopen.com>
11331 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11332 argv to the appropriate type.
11334 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11336 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11339 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11342 * config/s390/s390.c (struct machine_function): New flag
11343 decomposed_literal_pool_addresses_ok_p.
11344 (s390_reorg): Set it before final stage of literal pool transforms.
11345 (s390_decompose_address): Only accept displacements of the form
11346 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11348 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11350 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11351 the comparison routine return.
11353 2006-01-30 Michael Matz <matz@suse.de>
11355 * global.c (find_reg): Only evict for global regs.
11356 Take n_refs into account and dump more info.
11358 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11361 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11362 (pragma_trap, pragma_nosave_low_regs): Likewise.
11363 (current_function_anonymous_args): Likewise.
11364 (sh_deferred_function_attributes): New variable.
11365 (sh_deferred_function_attributes_tail): Likewise.
11366 (print_operand): For '@', look up trap_exit attribute.
11367 (calc_live_regs): Look up trapa_handler attribute. For trapa
11368 handlers, save/restore fpscr, but don't do any other
11369 interrupt-specific saves.
11370 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11371 Fix check for partially saved registers to check for SHmedia.
11372 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11373 (sh_output_function_epilogue): Don't clear any of the removed
11375 (sh_insert_attributes): Don't check pragma_interrupt.
11376 Insert deferred attributes. Check that interrupt attribute is
11377 present for other attributes that require its presence.
11378 (sh_attribute_table): Add new attributes trapa_handler and
11380 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11381 Don't check for pragma_interrupt. Don't store argument.
11382 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11383 (sh_deferred_function_attributes): Declare.
11384 (sh_deferred_function_attributes_tail): Likewise.
11385 * sh.md (sp_switch_1): Add operand. Change generator caller.
11386 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11387 (*return_i): Don't use when trap_exit attribute is in effect.
11388 (*return_trapa): New insn pattern.
11389 * sh-c.c: New file.
11390 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11391 setting c_target_objs and cxx_target_objs.
11392 * t-sh: Add rule for sh-c.o.
11394 2006-01-30 Richard Guenther <rguenther@suse.de>
11397 * gimplify.c (gimplify_target_expr): Handle easy cases
11398 without creating a temporary.
11400 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11402 * vec.h (safe_grow): Remove duplicated line.
11404 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11407 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11408 (expand_omp): ... here.
11409 (expand_omp_parallel): Only remove barriers for combined
11410 parallel+workshare constructs.
11412 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11416 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11417 * tree.c (build_qualified_type): Chain the new type to the original
11418 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11419 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11420 (build_pointer_type_for_mode): Only return unqualified types.
11421 (build_reference_type_for_mode): Likewise.
11423 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11425 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11426 * Makefile.in (CXX_COMPAT_WARN): Define.
11427 * configure: Regenerate.
11429 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11432 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11435 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11437 * toplev.c: Fix thinko.
11439 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11440 Marcin Dalecki <martin@dalecki.de>
11442 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11443 (push_srcloc): Use XNEW.
11444 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11446 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11448 * df-core.c (df_set_blocks): Deleted all variable.
11450 2006-01-28 Ian Lance Taylor <ian@airs.com>
11452 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11453 cgraph_output_pending_asms.
11455 2006-01-28 Zack Weinberg <zackw@panix.com>
11457 * c.opt: Add -W(no-)overlength-strings.
11458 * doc/invoke.texi: Document it.
11459 * c-opts.c (c_common_handle_option): -pedantic implies
11460 -Woverlength-strings, if not explicitly disabled already.
11461 (c_common_post_options): -Woverlength-strings defaults to off, and
11462 is always off for C++.
11463 * c-common.c (fix_string_type): Issue warning about strings longer
11464 than is portable only if warn_overlength_strings. Rearrange code
11465 a little for clarity.
11466 * configure.in: Check for -Wno-overlength-strings as well before
11467 enabling -pedantic in stage 1.
11468 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11469 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11471 * genconditions.c (write_header, write_one_condition)
11472 (write_conditions, write_writer): Consolidate very long strings
11473 that were broken up to fit in C89 portable limit. Don't use
11474 printf when fputs will do.
11476 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11478 * combine.c (simplify_comparison <AND>): Check
11479 TRULY_NOOP_TRUNCATION before start using a subreg.
11481 * config/mips/mips.md (*branch_zero<mode>,
11482 *branch_zero<mode>_inverted, *branch_equality<mode>,
11483 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11484 Remove mode check from comparisons.
11486 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11488 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11490 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11492 * expmed.c (const_mult_add_overflow_p): Remove.
11493 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11495 * recog.c (validate_replace_rtx_subexp): Remove.
11496 * recog.h: Remove the prototype for
11497 validate_replace_rtx_subexp.
11499 * integrate.h: Remove the prototype for
11500 copy_decl_for_inlining.
11501 * rtl.h: Remove the prototype for mark_constant_function.
11502 * tree-vectorizer.h: Remove the prototype for
11503 vect_strip_conversion.
11505 * modulo-sched.c (create_partial_schedule,
11506 free_partial_schedule, reset_partial_schedule): Make them
11509 * hooks.c (hook_bool_rtx_int_false): Remove.
11510 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11512 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11514 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11515 and -mlong-double-128 are incompatible.
11516 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11517 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11518 (TARGET_LIBGCC2_CFLAGS): Define.
11519 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11520 (TARGET_LIBGCC2_CFLAGS): Same.
11521 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11523 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11526 * c-typeck.c (build_binary_op): Perform implicit casts of
11527 operands before shortening them.
11529 * cfgloopmanip.c (split_loop_bb): Remove.
11530 * cfgloop.h: Remove the prototype for split_loop_bb.
11532 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11533 * cfgloop.h: Remove the prototype for
11534 flow_loop_outside_edge_p.
11536 * emit-rtl.c (init_virtual_regs): Make it static.
11537 * function.h: Remove the prototype for init_virtual_regs.
11539 * recog.c (peephole2_optimize): Make it static.
11540 * recog.h: Remove the prototype for peephole2_optimize.
11542 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11544 * df-scan.c (df_record_entry_block_defs): Check if
11545 INCOMING_RETURN_ADDR_RTX is defined.
11547 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11548 Kenneth Zadeck <zadeck@naturalbridge.com>
11550 PR rtl-optimization/24762
11551 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11552 * targhooks.c (hook_void_bitmap): New hook prototype.
11553 * targhoohs.h (hook_void_bitmap): Ditto.
11554 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11555 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11556 * target.h (live_on_entry): New function pointer.
11557 * df-scan.c (df_all_hard_regs): Removed.
11558 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11559 (df_scan_free_internal): Added df->entry_block_defs.
11560 (df_scan_alloc): Ditto.
11561 (df_scan_dump): Ditto.
11562 (df_uses_record): Plumbed flag field properly thru calls.
11563 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11564 This part fixes PR24762.
11565 (df_bb_refs_record): Added code to make the frame and arg
11566 pointers live in EH blocks.
11567 (df_refs_record): Added call to df_record_entry_block_defs.
11568 (df_record_entry_block_defs): New function.
11569 * df-core.c: Added comments to describe new artifical defs.
11570 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11571 (entry_block_defs): New field in struct df.
11572 (df_all_hard_regs): Deleted.
11573 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11574 * df-problems.c (df_ru_bb_local_compute_process_def):
11575 Added code to handle artifical defs in the entry to a function.
11576 (df_ru_bb_local_compute): Ditto.
11577 (df_rd_bb_local_compute_process_def): Ditto.
11578 (df_rd_bb_local_compute): Ditto.
11579 (df_lr_bb_local_compute): Ditto.
11580 (df_ur_bb_local_compute): Ditto.
11581 (df_urec_bb_local_compute): Ditto.
11582 (df_chain_create_bb): Ditto.
11583 (df_ur_local_finalize): Removed entry.
11584 (df_urec_init): Ditto.
11585 (df_urec_local_finalize): Ditto.
11586 (df_ri_bb_compute): Added detection of last use of pseudos.
11587 * Makefile.in (df-scan.o): Updated dependencies.
11588 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11589 * config/mips/mips.c (mips_set_live_on_entry): Added.
11590 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11592 * dce.c (marked_insn_p): Added code to handle artifical defs.
11594 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11596 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11598 (_mm_cvtsi128_si64): Likewise.
11599 (_mm_cvtsd_si64): Likewise.
11600 (_mm_cvttsd_si64): Likewise.
11601 (_mm_cvtsi64_sd): Likewise.
11602 (_mm_cvtsi64_si128): Likewise.
11603 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11604 (_mm_cvtsi64_m64): Likewise.
11605 (_m_to_int64): Likewise.
11606 (_mm_cvtm64_si64): Likewise.
11607 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11608 (_mm_cvttss_si64): Likewise.
11609 (_mm_cvtsi64_ss): Likewise.
11610 (_mm_cvtss_f32): Likewise.
11612 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11614 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11615 for pragma redefine_extname.
11617 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11620 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11621 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11622 -mno-minimal-toc to previous content.
11623 (bispecs): Remove goal.
11624 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11625 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11626 compatibility aliases on powerpc-*-*gnu*.
11627 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11628 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11629 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11630 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11631 (ldblspecs): New goal.
11632 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11633 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11635 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11636 L_sf_to_tf or L_df_to_tf is defined.
11638 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11639 Alan Modra <amodra@bigpond.net.au>
11642 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11643 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11644 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11645 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11646 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11647 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11648 (rs6000_override_options): Initialize rs6000_ieeequad.
11649 Initialize TFmode format to ibm_extended_format if not
11651 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11653 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11654 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11655 (function_arg_advance): IBM long double passed in two FPRs, not
11657 (function_arg): IBM long double passed in FPRs.
11658 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11659 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11660 Only multireg GPR aligned.
11661 (rs6000_init_libfuncs): Enable IBM long double functions if not
11663 (rs6000_generate_compare): Use IBM long double compare if not
11665 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11666 (TARGET_IEEEQUAD): Define.
11667 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11668 not TARGET_IEEEQUAD.
11669 * config/rs6000/rs6000.md: Enable TFmode patterns if
11671 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11672 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11673 and -mlong-double-128 are incompatible.
11674 * doc/invoke.texi (-mabi): Collect options together. Add
11675 ibmlongdouble and ieeelongdouble.
11677 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11679 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11681 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11682 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11683 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11684 * rtl.h (rtunion_def): Remove rt_ptr.
11686 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11687 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11688 * config/i386/winnt.c (i386_pe_mark_dllexport)
11689 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11691 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11693 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11695 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11699 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11700 pthread_key_delete. From John David Anglin. gthrw-ify
11701 pthread_getunique_np only if it it's not a macro. Delete
11703 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11704 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11705 __gthread_objc_condition_signal, __gthread_key_delete): Add
11706 "__attribute__ ((__unused__))" to unused arguments.
11707 (__gthread_recursive_mutex_init_function): Add missing return.
11708 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11709 gthr-posix95.h: Use macro-based approach for name redirection
11710 on targets missing weakref.
11712 2006-01-26 Zack Weinberg <zackw@panix.com>
11714 * genconditions.c (write_header): In generated code, #ifdef out
11715 all includes and fake declarations, except includes of bconfig.h
11716 and system.h, unless GCC_VERSION >= 3001. Do not include
11717 gensupport.h in any case.
11718 (write_conditions): Generate a definition of struct c_test. Add
11719 a comment to the generated #endif.
11720 (write_one_condition): Escape backslashes in string too.
11721 (write_writer): Generated code must escape backslashes and quote
11722 marks (but not newlines) in the strings it writes.
11723 * Makefile.in (build/gencondmd.o): Update dependencies.
11725 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11728 * Makefile.in (insn-automata.o): Add header file dependencies.
11729 * genautomata.c: Add includes.
11731 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11734 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11736 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11738 * configure.ac: Expect target tools paths to be passed from the toplevel
11739 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11741 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11743 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11746 * c.opt (Wpointer-sign): Init to -1.
11747 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11748 OPT_pedantic, to 0 otherwise.
11749 * doc/invoke.texi: Update.
11751 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11753 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11754 constants provided by 80387 instructions in the destination mode.
11756 2006-01-26 Richard Guenther <rguenther@suse.de>
11757 Andrew Pinski <pinskia@physics.uc.edu>
11760 partial PR tree-opt/17064
11761 * tree-ssa-structalias.c (intra_create_variable_infos):
11762 Create heap variables for incoming parameters if
11763 flag_argument_noalias > 1.
11764 (find_what_p_points_to): Look through default defs of
11767 2006-01-26 Jeff Law <law@redhat.com>
11770 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11771 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11772 within the VR_RANGE, use the VR_RANGE as the result, not the
11774 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11775 bounds for the type.
11777 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11779 * tree-ssa-alias.c (maybe_create_global_var): Change
11780 subvar walking to an assertion that we don't have subvar'd variables.
11782 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11785 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11786 Use a new variable, inner. PARM_DECLs are always non-weak.
11788 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11790 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11791 --disable-checking.
11793 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11795 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11797 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11799 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11800 (smax_insn, smin_insn, smax_0, smin_0): New.
11802 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11805 * config/cris/cris.c (cris_order_for_addsi3): New function.
11806 * config/cris/cris-protos.h: Prototype it.
11807 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11808 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11809 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11810 (split for "op.S1 [rx=rx+i],ry (swapped)")
11811 (split for "op(s|u).S1 [rx=rx+i],ry")
11812 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11813 Apply cris_order_for_addsi3 when generating addsi3 insns.
11815 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11817 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11818 (TREE_BLOCK): Add call to EXPR_CHECK.
11820 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11823 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11824 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11825 (dump_omp_clauses): ... here.
11826 (dump_generic_node): Handle OMP_CLAUSE.
11827 * tree.c (omp_clause_num_ops): New.
11828 (omp_clause_code_name): New.
11829 (tree_code_size): Handle OMP_CLAUSE.
11830 (tree_size): Likewise.
11831 (make_node): Document handling of OMP_CLAUSE.
11832 (tree_node_structure): Handle OMP_CLAUSE.
11833 (omp_clause_check_failed): New.
11834 (omp_clause_range_check_failed): New.
11835 (omp_clause_operand_check_failed): New.
11836 (build_omp_clause): New.
11837 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11838 * tree.h (enum omp_clause_code): Declare.
11839 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11840 (OMP_CLAUSE_RANGE_CHECK): Define.
11841 (OMP_CLAUSE_ELT_CHECK): Define.
11842 (omp_clause_check_failed): Declare.
11843 (omp_clause_operand_check_failed): Declare.
11844 (omp_clause_range_check_failed): Declare.
11845 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11846 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11847 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11848 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11849 (OMP_CLAUSE_IF_EXPR): Likewise.
11850 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11851 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11852 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11853 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11854 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11855 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11856 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11857 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11858 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11859 (OMP_CLAUSE_CODE): Define.
11860 (OMP_CLAUSE_SET_CODE): Define.
11861 (OMP_CLAUSE_CODE): Define.
11862 (OMP_CLAUSE_OPERAND): Define.
11863 (struct tree_omp_clause): Declare.
11864 (union tree_node): Add field 'omp_clause'.
11865 * treestruct.def (TS_OMP_CLAUSE): Define.
11866 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11867 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11868 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11869 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11870 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11871 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11872 (OMP_CLAUSE): Define.
11873 * print-tree.c (print_node): Handle OMP_CLAUSE.
11874 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11875 * c-typeck.c: Likewise.
11876 * gimplify.c: Likewise.
11877 * c-omp.c: Likewise.
11878 * tree-nested.c: Likewise.
11879 * tree-inline.c: Likewise.
11880 * c-parser.c: Likewise.
11881 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11884 2006-01-25 Roger Sayle <roger@eyesopen.com>
11886 PR rtl-optimization/25703
11887 * combine.c (try_combine): Handle zero_extract and strict_low_part
11888 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11890 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11892 * global.c: Fix comment typos.
11894 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11897 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11898 Use output_addr_const instead of assemble_name.
11900 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11902 * Makefile.in (sched-vis.o): Update dependencies.
11903 * haifa-sched.c (sched_finish): Clear current_sched_info.
11904 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11905 (dump_flow_info): Call it.
11906 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11908 * basic-block.h (dump_bb_info): Declare.
11909 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11910 option, and apply options only for dump files whose TDF_RTL,
11911 TDF_TREE, or TDF_IPA bits match.
11912 * rtl.h: Declare new functions exported from sched-vis.c.
11913 * sched-vis.c: Enable also if scheduling is not used.
11914 (print_value): Print the mode of registers if not inside scheduling.
11915 (print_insn): Make it work outside the scheduler. Beautify the output
11917 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11919 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11921 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11922 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11923 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11924 depending on the value of CONSTANT_POOL_ADDRESS_P.
11925 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11927 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11928 rather than SYMBOL_REF_DECL.
11929 (rtx_constant_pool): Remove const_rtx_sym_htab.
11930 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11931 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11932 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11933 Remove handling of const_rtx_sym_htab.
11934 (find_pool_constant): Delete.
11935 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11936 rather than find_pool_constant.
11937 (get_pool_constant_for_function): Delete.
11938 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11939 find_pool_constant.
11940 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11941 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11942 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11943 (SYMBOL_REF_CONSTANT): New macro.
11944 (get_pool_constant_for_function): Delete.
11945 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11946 rather than SYMBOL_REF_DECL.
11947 (i386_pe_mark_dllimport): Likewise.
11948 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11949 rather than SYMBOL_REF_DECL.
11950 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11951 (machopic_indirect_call_target): Likewise.
11953 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11955 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11957 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11959 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11961 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11963 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11965 2006-01-24 David Daney <ddaney@avtrex.com>
11968 * configure.ac (enable_tls): New enable option.
11969 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11970 * configure: Regenerate.
11971 * doc/install.texi (--enable-tls): Document new option.
11972 (--disable-tls): Ditto.
11974 2006-01-24 Richard Henderson <rth@redehat.com>
11976 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11977 * alias.c (true_dependence): Respect it.
11978 (canon_true_dependence, write_dependence_p): Likewise.
11979 * builtins.c (get_builtin_sync_mem): Set it.
11981 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11983 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11986 2006-01-24 DJ Delorie <dj@redhat.com>
11988 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11989 for storing constants in single-bit bitfields.
11991 2006-01-25 Ben Elliston <bje@au.ibm.com>
11993 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11995 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11998 * tree-ssa-pre.c (phi_translate): Return NULL
11999 for AGGREGATE_TYPE's.
12001 2006-01-24 Zack Weinberg <zackw@panix.com>
12003 * genautomata.c (process_state_for_insn_equiv_partition):
12004 Use xcalloc for insn_arcs_array.
12005 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12006 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12008 2006-01-24 Richard Henderson <rth@redhat.com>
12010 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12011 update all callers.
12013 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12015 PR rtl-optimization/25890
12016 PR rtl-optimization/25905
12017 * combine.c (expand_compound_operation, expand_field_assignment):
12018 Fail if the bitfield's final position is out of bounds.
12020 2006-01-24 Ian Lance Taylor <ian@airs.com>
12022 PR middle-end/25930
12023 * cgraphunit.c (cgraph_output_in_order): Don't clear
12024 cgraph_asm_nodes until after asm strings have been output.
12026 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12028 * fix-header.c (read_scan_file): Add new parameter imultilib when
12029 calling register_include_chains.
12031 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12033 * omp-low.c: Update documentation.
12035 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12036 Daniel Berlin <dberlin@dberlin.org>
12040 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12041 return from the function.
12043 2006-01-22 Zack Weinberg <zackw@panix.com>
12045 * rtl.def (match_code): Add second argument.
12046 * genpreds.c (write_extract_subexp): New function.
12047 (write_match_code): Add path argument. Use write_extract_subexp.
12048 (write_predicate_expr): Pass path to write_match_code.
12049 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12050 not perform a mode test.
12051 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12052 a subexpression does not constrain the top-level code set.
12053 * read-rtl.c (read_rtx_variadic): New function.
12054 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12055 * doc/md.texi: Document new notation.
12056 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12057 (cmpsi_operand): ... here, using new notation.
12059 2006-01-22 Zack Weinberg <zackw@panix.com>
12061 * varray.c: Remove GENERATOR_FILE #ifdefs.
12063 2006-01-22 Zack Weinberg <zackw@panix.com>
12065 * genautomata.c (output_reserved_units_table): Emit nothing if
12066 description->query_units_num is zero. Remove extra blank line.
12067 (output_cpu_unit_reservation_p): Short circuit
12068 if description->query_units_num is zero.
12070 2006-01-22 Zack Weinberg <zackw@panix.com>
12072 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12073 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12074 nor any of the random handful of variables that used to be necessary
12075 when this program was linked with rtlanal.o. Prune set of forward
12076 function declarations.
12077 (struct attr_desc): Remove static_p field.
12078 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12079 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12080 (attr_string): Do not read the character one past the length of
12082 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12083 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12084 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12085 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12086 (make_automaton_attrs): New.
12087 (main): Do not call into genautomata. Call local gen_bypass
12088 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12089 Remove special case for insn_alts.
12090 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12091 varray.h (leftover from previous change). Prune set of forward
12092 function declarations. Remove state_alts fields from all
12093 structures. Remove state_alts_table from struct automaton.
12094 Make everything except main static. Do not maintain num_dfa_decls.
12095 Do not maintain state_alts fields of various structures.
12096 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12097 (add_arc): Remove state_alts argument. All callers updated.
12098 (output_reserved_units_table): Emit #ifdef here...
12099 (output_tables): ...not here. Don't generate state_alts tables.
12100 (expand_automata): Don't generate attributes.
12101 (write_automata): Don't generate state_alts functions.
12102 (main): New function.
12103 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12104 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12105 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12106 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12107 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12108 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12109 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12110 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12112 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12113 * genattrtab.h: Delete file.
12114 * Makefile.in (OBJS-common): Add insn-automata.o.
12115 (insn-automata.o): New rule.
12116 (simple_generated_c): Add insn-automata.c.
12117 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12118 (genprogmd): Add automata.
12119 (build/genattrtab): Needs no extra objects nor libraries.
12120 (build/genautomata): Needs build/vec.o and -lm.
12122 2006-01-22 Zack Weinberg <zackw@panix.com>
12124 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12125 (output_dfa_max_issue_rate, locked_states_num): Delete.
12126 (struct automaton): Add locked_states field.
12127 (output_dead_lock_vect): Save number of locked states in
12128 automaton->locked_states. If it is zero, don't print anything.
12129 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12130 (output_internal_dead_lock_func): Only test the dead_lock_vect
12131 for automata that have locked states.
12132 (output_statistics): Always print the number of locked states for
12133 each automaton. Calculate total number of locked states here.
12134 (write_automata): Don't call output_dfa_max_issue_rate.
12135 * genattrtab.c: Define length_unit_log as a const variable.
12136 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12137 max_insn_queue_index const.
12138 * final.c (length_unit_log): Declare const.
12139 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12141 2006-01-22 Zack Weinberg <zackw@panix.com>
12143 * genautomata.c: Include vec.h, not varray.h.
12144 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12145 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12146 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12147 VEC_* macros operating on appropriately typed vectors, or to
12148 malloced arrays when the size is known in advance. Const-ify
12149 many char* variables and function arguments. No functional changes.
12150 * Makefile.in (build/varray.o): Delete rule.
12151 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12152 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12154 2006-01-22 Zack Weinberg <zackw@panix.com>
12156 * gensupport.c: Define get_insn_name and record_insn_name here.
12157 (read_md_rtx): Call record_insn_name as appropriate.
12158 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12159 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12160 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12162 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12163 (BUILD_VARRAY): Delete.
12164 (genprognormal): Rename genprogmd. Fold in all programs from
12165 genprognoprint; also attrtab.
12166 (build/genattrtab): Just mention genautomata.o and varray.o.
12167 Reorganize a bit, add comments to make the categories clearer.
12169 2006-01-22 Zack Weinberg <zackw@panix.com>
12171 * genconditions.c (condition_table, add_condition): Delete.
12172 (write_conditions): Don't emit n_insn_conditions nor
12173 insn_elision_unavailable. Issue the gcc version #ifdef here,
12174 inside the table, with no #else clause ...
12175 (write_header): ...not here.
12176 (write_writer): New function.
12177 (main): Don't initialize condition_table. Use add_c_test.
12179 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12180 files on the command line.
12181 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12182 Return -1 if there is no entry in the table, don't abort.
12183 (add_c_test, traverse_c_tests): New functions.
12184 * gensupport.h (insn_elision_unavailable, insn_conditions)
12185 (n_insn_conditions): Delete declarations.
12186 (add_c_test, traverse_c_tests): Declare.
12187 * read-rtl.c: Include gensupport.h.
12188 (read_conditions): New function.
12189 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12190 (read_rtx_1): If we get EOF when we were looking for an initial
12191 open paren, return 0. Call read_conditions when appropriate.
12192 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12193 dummy-conditions.o. Eliminate references to insn-conditions.o,
12194 or change them to build/gencondmd.o, as appropriate. Remove
12195 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12196 from $(simple_generated_c). For all files remaining in those
12197 two lists, add insn-conditions.md to the generator command line.
12198 Give insn-constants.h/s-constants their own rules. Add rules
12199 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12200 (build/read-rtl.o): Depend on gensupport.h.
12201 (genprognormal): Include preds.
12202 (genprogearly): Rename genprognoprint; only difference is now that
12203 they don't link with $(BUILD_PRINT).
12204 * dummy-conditions.c: Delete.
12206 2006-01-22 Zack Weinberg <zackw@panix.com>
12208 * genextract.c: Don't include insn-config.h. Do include vec.h.
12209 Declare vectors of int, char, and locstr.
12210 (locstr): New typedef.
12211 (struct extraction): Make all array fields into bare pointers.
12212 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12213 (insn_code_number): Delete.
12214 (accum_extract): New struct.
12215 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12216 (gen_insn): Take insn_code_number as an argument. Use an
12217 accum_extract structure instead of loading data directly into
12218 a struct extraction, and having to know how big it might get.
12219 (walk_rtx): Operate entirely on an accum_extract structure.
12220 (print_path): Avoid unnecessary use of printf.
12221 (print_header): New function, split out of main. Distinguish
12222 more carefully between an unrecognizable insn and an insn that
12223 has the code number of a define_expand.
12224 (main): Pass insn_code_number to gen_insn. Call print_header
12225 only after parsing. Avoid unnecessary use of printf.
12226 * Makefile.in (build/vec.o): New rule.
12227 (build/genextract): Depend on build/vec.o.
12228 (build/genextract.o): Don't depend on insn-config.h.
12230 2006-01-22 Zack Weinberg <zackw@panix.com>
12232 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12233 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12234 practical. Eliminate per-generator-program link rules.
12236 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12238 PR middle-end/24437
12239 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12240 with a call expr to ...
12241 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12243 2006-01-23 Richard Guenther <rguenther@suse.de>
12245 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12246 before make_edge with conditional EDGE_TRUE_VALUE.
12248 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12249 Jan Hubicka <jh@suse.cz>
12250 Richard Guenther <rguenther@suse.de>
12252 PR rtl-optimization/25654
12253 * cfgexpand.c (aggregate_contains_union_type): New function.
12254 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12255 for structure variables that contain a union type.
12257 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12259 * gengtype.c (new_structure): Return the structure.
12260 (create_option): Add an extra "next" argument.
12261 (create_field): New function.
12262 (adjust_field_rtx_def): Use create_option and create_field.
12263 Remove a now-unnecessary call to find_structure.
12264 (adjust_field_tree_def): Likewise.
12265 (note_yacc_type): Remove an unnecessary call to find_structure.
12266 * gengtype.h (new_structure): Return the structure.
12267 (create_option): Add an extra argument.
12268 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12269 (option): Adjust calls to create_option.
12271 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12273 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12275 2006-01-22 Paul Brook <paul@codesourcery.com>
12276 Peter Barada <peter@the-baradas.com>
12278 * config/m68k/m68k.md: Add Coldfire FPU support.
12279 Define FP mode macro and associated attributes.
12280 Use it for float mode patterns.
12281 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12282 (LIBCALL_VALUE): Use m68k_libcall_value.
12283 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12284 (m68k_function_value): Ditto.
12285 (emit_move_sequence): Ditto.
12286 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12287 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12288 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12289 (MULTILIB_EXCEPTIONS): Ditto.
12290 * config/m68k/m68k.opt: Add mcfv4e.
12291 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12292 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12293 (m68k_output_function_prologue): Save ColdFire FPU registers.
12294 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12295 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12296 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12297 ColdFire FPU registers.
12298 (m68k_libcall_value, m68k_function_value): New functions.
12299 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12300 (LIBCALL_VALUE): Use m68k_libcall_value.
12301 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12302 (MASK_COLDFIRE): Add MASK_CFV4E.
12303 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12304 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12305 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12306 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12307 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12308 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12309 * doc/invoke.tex: Document -mcfv4e on m68k.
12311 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12313 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12316 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12319 * c-opts.c (c_common_handle_option): Don't include
12320 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12321 * doc/invoke.texi (C++ Dialect Options): Document that
12322 -Wnon-virtual-dtor is no longer included in -Wall.
12324 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12326 * gcov.c (print_version), gcov-dump.c (print_version),
12327 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12330 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12332 * df-scan.c (problem_SCAN): Added NULL reset function.
12333 (df_scan_reset_blocks): Added code to call reset block function
12334 (df_bb_refs_delete) Fixed comment.
12335 (df_insn_refs_delete): Made tolerant of deleting non existent info
12336 for dataflow problems that need to be reset.
12337 * df-core.c (df_set_blocks): Ditto.
12338 * df.h (struct df_problem): Added reset_fun.
12339 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12340 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12341 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12342 functions to clear out all references to def-use or use-def chains.
12344 2006-01-21 Ben Elliston <bje@au.ibm.com>
12346 * varasm.c (assemble_real): Initialise data array.
12348 2006-01-20 Paul Brook <paul@codesourcery.com>
12350 Merge from csl-arm-branch.
12351 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12352 * config/arm/arm.md (movdi): Force operands[1] to a register
12353 if we have a non-register source.
12354 (*arm_movdi, *movdf_soft_insn): Require that one of the
12355 operands be a register.
12356 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12357 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12359 2006-01-20 DJ Delorie <dj@redhat.com>
12361 * varasm.c (initializer_constant_valid_p): Allow pointers
12362 initialized from integer constants of lesser precision.
12363 (output_constant): Allow non-int-sized pointer modes to be
12364 initialized from integer constants.
12366 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12369 * cppdefault.h (struct default_include): Add multilib flag.
12370 * cppdefault.c (cpp_include_defaults): Set it.
12371 * c.opt (-imultilib): New option.
12372 * c-opts.c (imultilib): New.
12373 (c_common_handle_option): Handle -imultilib.
12374 (c_common_post_options): Likewise.
12375 * c-incpath.c (add_standard_paths, register_include_chains):
12377 * c-incpath.h (register_include_chains): Add extra parameter.
12378 * gcc.c (do_spec_1): Generate -imultilib option.
12379 (The Specs Language): Update %I description.
12380 (process_command): Update copyright notice.
12381 * doc/cppopts.texi (-imultilib): Document.
12382 * doc/invoke.texi (-imultilib): Include in option summary.
12383 (%I): Update specs documentation.
12385 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12387 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12389 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12391 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12394 2006-01-20 Richard Guenther <rguenther@suse.de>
12395 Steven Bosscher <stevenb.gcc@gmail.com>
12397 PR rtl-optimization/24626
12398 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12399 EDGE_TRUE_VALUE if in RTL mode.
12402 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12403 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12405 2006-01-20 Dirk Mueller <dmueller@suse.com>
12408 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12409 instead of a special NOP marker.
12410 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12411 NOP marker handling.
12412 * c-common.h (empty_body_warning): Add forward declaration.
12413 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12414 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12416 2006-01-20 Paul Brook <paul@codesourcery.com>
12418 * Makefile.in (lang_checks): Keep going if mkdir fails.
12420 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12422 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12423 be able to clean out basic block when not necessary.
12424 (df_scan_free): Fixed to properly delete information if df is
12425 unused before calling df_finish.
12426 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12427 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12429 (df_bb_refs_delete): New function.
12430 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12431 * df-core.c (df_set_blocks): Added code to properly clean out
12432 unused blocks if they are not part of the blocks to consider.
12433 Added additional null check.
12434 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12435 be able to clean out basic block when not necessary
12436 * df.h (df_free_bb_function): Ditto.
12437 (df_bb_refs_delete): New function.
12438 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12439 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12440 basic block parameter to be able to clean out basic block when not
12442 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12443 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12444 Fixed to properly delete information if df is unused before
12447 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12449 PR rtl-optimization/25799
12450 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12451 Corrected confluence operator to remove bits from op2 before oring
12452 with op1 rather than removing bits from op1.
12453 (df_ru_transfer_function): Corrected test on wrong bitmap which
12454 caused infinite loop. Both of these problems were introduced in
12455 the dataflow rewrite.
12457 2006-01-19 DJ Delorie <dj@redhat.com>
12459 * reload1.c (find_reload_regs): Note the details of reload
12460 failures in the dump file.
12461 (spill_failure): Likewise.
12463 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12465 * loop-iv.c: Include df.h and hashtab.h.
12466 (enum iv_grd_result): New enum.
12467 (DF_REF_IV, DF_REF_IV_SET): New macros.
12468 (struct biv_entry): New.
12469 (df, bivs): New global variables.
12470 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12471 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12473 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12474 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12475 analyzed_for_bivness_p, record_biv): New functions.
12476 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12477 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12478 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12480 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12482 (iv_number_of_iterations): Use new interface to iv analysis.
12483 * loop-unroll.c: Do not include varray.h.
12484 (analyze_iv_to_split_insn): Use new interface to iv
12486 * loop-unswitch.c (may_unswitch_on): Ditto.
12487 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12489 (df_bb_modify): Realloc tables to the new index.
12490 (df_find_use): New function.
12491 * df.h (df_find_use): Declare.
12492 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12494 * cfgloop.h (struct rtx_iv): Remove analysed field.
12495 (iv_get_reaching_def): Removed.
12496 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12497 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12498 (loop-iv.o): Add df.h and hashtab.h dependency.
12499 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12501 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12504 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12506 (__floatundisf, __floatundidf): Likewise.
12507 * libgcc2.h (IS_IBM_EXTENDED): Define.
12509 2006-01-19 DJ Delorie <dj@redhat.com>
12511 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12513 2006-01-19 Paul Brook <paul@codesourcery.com>
12515 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12516 as nothrow when unwinding tables are disabled.
12518 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12521 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12522 of bit-field" when in system header.
12524 2006-01-19 DJ Delorie <dj@redhat.com>
12526 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12527 the 16 bit shift limit of the m16c.
12529 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12532 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12533 * config/i386/i386.c (output_set_got): Output the label if we have one
12534 for the TARGET_DEEP_BRANCH_PREDICTION case.
12536 2006-01-19 Jan Hubicka <jh@suse.cz>
12537 H.J. Lu <hongjiu.lu@intel.com>
12538 Evandro Menezes <evandro.menezes@amd.com>
12540 * invoke.texi (generic): Document
12542 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12543 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12544 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12545 (x86_use_incdec, x86_pad_returns): New variables
12546 (TARGET_CPU_DEFAULT_generic): New constant
12547 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12548 (enum processor_type): Add generic32 and generic64.
12549 * i386.md (cpu attribute): Add generic32/generic64
12550 (movhi splitter): Behave sanely when both partial_reg_dependency and
12551 partial_reg_stall are set.
12552 (K8 splitters): Enable for generic as well.
12553 * predicates.md (incdec_operand): Use TARGET_INCDEC
12554 (aligned_operand): Avoid memory mismatch stalls.
12555 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12556 * ppro.md: Enable for generic32
12557 * i386.c (generic64_cost, generic32_cost): New.
12558 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12559 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12560 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12561 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12562 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12563 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12564 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12565 x86_accumulate_outgoing_args, x86_prologue_using_move,
12566 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12567 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12568 Enable for generic.
12569 (x86_use_incdec, x86_pad_returns): New.
12570 (override_options): Add generic32 and generic64, translate "generic"
12571 to generic32/generic64 and "i686" to "generic32", refuse
12572 "generic32"/"generic64" as arch target.
12573 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12574 (ix86_reorg): Honor PAD_RETURNS.
12576 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12578 * tree-pretty-print.c (dump_generic_node): Handle
12579 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12580 * cgraph.c (cgraph_expand_queue): Rename from
12581 cgraph_analyze_queue. Update all users.
12582 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12583 cgraph_expand_queue.
12584 (cgraph_expand_all_functions): Likewise.
12585 (cgraph_finalize_pending_functions): Remove. Update callers.
12587 * tree.h (OMP_DIRECTIVE_P): Define.
12588 (OMP_PARALLEL_FN): Define.
12589 (OMP_PARALLEL_DATA_ARG): Define.
12590 (OMP_SECTIONS_SECTIONS): Define.
12591 * tree-pass.h (pass_expand_omp): Declare.
12592 * omp-low.c (struct omp_region): Declare.
12593 (struct omp_context): Remove fields 'parallel_type',
12594 'parallel_start_ix' and 'parallel_start_additional_args'.
12596 (struct omp_for_data): Rename from struct expand_omp_for_data.
12597 (omp_regions): New static variable.
12598 (root_omp_region): New static variable.
12599 (find_omp_clause): Make static.
12600 (is_in_combined_parallel_ctx): Remove.
12601 (is_combined_parallel): New.
12602 (extract_omp_for_data): Move earlier in the file.
12603 (workshare_safe_to_combine_p): New.
12604 (get_ws_args_for): New.
12605 (determine_parallel_type): Move earlier in the file.
12606 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12608 (omp_copy_decl): Likewise.
12609 (create_omp_child_function): Likewise.
12610 (lookup_omp_region): New.
12611 (dump_omp_region): New.
12612 (debug_omp_region): New.
12613 (debug_all_omp_regions): New.
12614 (new_omp_region): New.
12615 (scan_omp_parallel): If parallel_nesting_level > 1, the
12616 directive is nested within another parallel directive.
12617 Set OMP_PARALLEL_FN.
12618 (scan_omp_for): Do not try to handle combined parallel+for
12620 Remove FIXME comment.
12621 (scan_omp_nested): Remove.
12622 (scan_omp_1): Do not call scan_omp_nested when
12623 parallel_nesting_level is > 1.
12624 Do not change the DECL_CONTEXT of local variables found.
12625 (lookup_decl_in_outer_ctx): New.
12626 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12627 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12628 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12629 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12630 If CTX is nested, lookup VAR in the outer context when
12631 building copy assignment.
12632 (lower_send_clauses): Rename from expand_send_clauses.
12633 If CTX is nested, lookup VAR in the outer context when
12634 building copy assignments.
12635 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12636 If CTX is nested, lookup VAR in the outer context when
12637 building copy assignments.
12638 (expand_parallel_call): Rename from build_parallel_call.
12639 Handle combined parallel+workshare cases.
12640 Re-implement to emit code into the CFG.
12642 (expand_omp_parallel): Re-implement to emit code into the CFG.
12643 Call move_sese_region_to_fn to outline the sub-graph
12644 containing the parallel region.
12645 (expand_omp_for_1): Remove.
12646 (expand_omp_for_generic): Re-implement to emit code into the
12648 (expand_omp_for_static_nochunk): Likewise.
12649 (expand_omp_for_static_chunk): Likewise.
12650 (expand_omp_for): Likewise.
12651 (expand_omp_sections): Likewise.
12652 (remove_exit_barriers): New.
12653 (expand_omp_synch): New.
12655 (build_omp_regions_1): New.
12656 (build_omp_regions): New.
12657 (execute_expand_omp): New.
12658 (gate_expand_omp): New.
12659 (pass_expand_omp): Define.
12660 (lower_omp_sections): Rename from expand_omp_sections.
12661 Set OMP_SECTIONS_SECTIONS.
12662 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12663 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12664 (lower_omp_single): Rename from expand_omp_simple.
12665 (lower_omp_master): Rename from expand_omp_master.
12666 (lower_omp_ordered): Rename from expand_omp_ordered.
12667 (lower_omp_critical): Rename from expand_omp_critical.
12668 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12669 (lower_omp_for): Re-implement.
12670 (lower_omp_parallel): Re-implement.
12671 (lower_regimplify): Rename from expand_regimplify.
12672 (lower_omp_1): Rename from expand_omp_1.
12673 If there are syntax errors in the program, replace every
12674 OpenMP directive with NOP.
12675 Call lower_omp_* instead of expand_omp_*.
12676 (lower_omp): Rename from expand_omp.
12678 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12679 * tree-gimple.h (enum omp_parallel_type): Remove.
12680 (gimple_boolify): Declare extern.
12681 (find_omp_clause, determine_parallel_type): Remove.
12683 * gimple-low.c (lower_omp_directive): New.
12684 (lower_stmt): Call it.
12685 (record_vars_into): Move from ...
12686 (record_vars): ... here.
12687 Call record_vars_into with current_function_decl.
12689 * gimplify.c (struct gimplify_ctx): Remove fields
12690 combined_pre_p and combined_ctxp. Update users.
12691 (get_formal_tmp_var): Add documentation.
12692 (gimple_boolify): Make extern.
12693 (gimplify_expr_in_ctx): Remove. Update callers.
12694 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12695 will always be a BIND_EXPR.
12696 (gimplify_expr): Handle OMP_RETURN_EXPR.
12697 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12698 (OMP_PARALLEL): Add 3 operands.
12699 (OMP_SECTIONS): Add 1 operand.
12700 (OMP_RETURN_EXPR): Define.
12702 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12703 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12704 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12705 creating a circular free list.
12706 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12708 * tree-flow.h (move_sese_region_to_fn): Declare.
12709 (record_vars_into): Declare.
12710 * tree-cfg.c (make_omp_sections_edges): New.
12711 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12712 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12713 OMP_SECTIONS and OMP_SECTION.
12714 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12715 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12716 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12717 (gather_blocks_in_sese_region): New.
12718 (struct move_stmt_d): Declare.
12719 (move_stmt_r): New.
12720 (move_block_to_fn): New.
12721 (move_sese_region_to_fn): New.
12723 * passes.c (init_optimization_passes): Schedule
12724 pass_expand_omp after pass_init_datastructures.
12726 * tree-ssa-operands.c (get_expr_operands): Handle
12727 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12728 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12730 2006-01-19 Jeff Law <law@redhat.com>
12732 * tree-vrp.c (extract_range_from_assert): Refine the result range
12733 if the variable referenced by the ASSERT_EXPR has a range and
12734 either the tentative result range or the previous range is a
12737 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12739 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12741 2006-01-19 Jan Hubicka <jh@suse.cz>
12743 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12745 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12747 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12748 (expand_compound_operation, expand_field_assignment): Fail if the
12749 bit lengths of an extract operation are out of range.
12750 (make_extraction): Compute wanted_inner_mode based on the position
12751 and length of the extraction. Make it extraction_mode for non-constant
12752 positions, and do not modify offset in that case. When generating a
12753 new MEM, use a mode that can hold the extraction while keeping correct
12754 alignment. Remove code that supported MEMs wrapped by USEs.
12755 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12757 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12759 * config/s390/s390.md ("Y", "y"): New mode attribute.
12760 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12761 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12762 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12763 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12764 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12765 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12766 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12767 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12768 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12769 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12770 "addsi3", "subsi3"): Insn patterns removed.
12771 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12772 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12773 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12774 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12775 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12776 "*sub<mode>3_cconly2"): New insn patterns.
12777 ("addsi3", "subsi3"): New expanders.
12779 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12781 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12782 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12783 existing STMT_VINFO_VECTYPE if available.
12784 (vect_mark_relevant): Add special handling for stmts that are
12785 marked as STMT_VINFO_IN_PATTERN_P.
12786 (vect_analyze_loop): Call vect_pattern_recog.
12787 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12788 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12790 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12791 (vect_recog_func_ptr): New function-pointer type.
12792 * tree-vect-patterns.c: New file.
12793 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12794 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12795 (vect_pattern_recog_1): New functions.
12796 (vect_pattern_recog_funcs): New array of function pointers.
12798 * tree-vectorizer.h (ternary_op): New enum value.
12799 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12800 declaration. Revised documentation. Removed redundant dump prints.
12801 Removed redundant argument. Added support for reduction patterns.
12802 (vectorizable_reduction): Added support for reduction patterns.
12803 (vect_transform_stmt): Added support for patterns.
12805 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12806 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12807 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12808 (expand_widen_pattern_expr): New function.
12809 (init_optabs): Initialize new optabs udot_prod_optab,
12811 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12812 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12813 (expand_widen_pattern_expr): New function declaration.
12814 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12816 * tree-inline.c (estimate_num_insns_1): Added cases for new
12817 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12818 * tree-pretty-print.c (dump_generic_node): Likewise.
12819 (op_prio): Likewise.
12820 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12821 * tree-ssa-operands.c (get_expr_operands): Added case for
12823 * tree-vect-patterns.c (widened_name_p): New function.
12824 (vect_recog_dot_prod_pattern): Added function implementation.
12825 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12826 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12827 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12828 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12830 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12831 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12832 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12833 (init_optabs): Initialize new optabs widen_ssum_optab,
12835 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12836 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12837 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12838 use instead of type of def.
12839 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12840 function implementation.
12841 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12842 widen_ssumv8hi): New.
12844 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12847 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12850 * c-decl.c (add_flexible_array_elts_to_size): New function.
12851 (finish_decl): Use it.
12853 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12855 * diagnostic.h: Include options.h.
12856 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12857 dependancies for diagnostic.h.
12858 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12860 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12862 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12863 (ssa_ro_call_cache_valid): Ditto.
12864 * tree-ssa-alias.c (sort_tags_by_id): New function.
12865 (init_transitive_clobber_worklist): Ditto.
12866 (add_to_worklist): Ditto.
12867 (mark_aliases_call_clobbered): Ditto.
12868 (compute_tag_properties): Ditto.
12869 (set_initial_properties): Ditto.
12870 (compute_call_clobbered): Ditto.
12871 (compute_may_aliases): Call compute_call_clobbered and grouping.
12872 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12873 (compute_flow_insensitive_aliasing): Grouping now happens in our
12875 (setup_pointers_and_addressables): Remove clobbering related code.
12876 (add_may_alias): Ditto.
12877 (replace_may_alias): Ditto.
12878 (get_nmt_for): Ditto.
12879 (create_global_var):
12880 (is_escape_site): Return an escape_type enumeration.
12881 * tree-flow-inline.h (is_call_clobbered): Global var does not
12882 imply call clobbered.
12883 (mark_call_clobbered): Take a reason for marking this. Remove
12884 marking of globalness, and cache invalidation.
12885 (clear_call_clobbered): Remove cache invalidation code.
12886 * tree-dfa.c (dump_variable): If details is on, dump the reason
12888 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12890 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12891 (struct var_ann_d): Ditto.
12892 (enum escape_type): New.
12893 (mark_call_clobbered): Adjust prototype.
12894 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12895 are never call clobbered.
12896 Record reasons for escaping.
12897 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12898 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12899 (ssa_ro_call_cache_valid): Ditto.
12900 (clobbered_v_may_defs): Ditto.
12901 (clobbered_vuses): Ditto.
12902 (ro_call_vuses): Ditto.
12903 (clobber_stats): New.
12904 (init_ssa_operands): Zero out clobber stats.
12905 (fini_ssa_operands): Print out clobber stats.
12906 (get_call_expr_operands): Pass callee fndecl to
12907 add_call_read_ops).
12908 (add_call_clobber_ops): Remove use of cache.
12909 Add use of PURE_CONST information.
12910 (add_call_read_ops): Remove use of cache.
12911 Add use of static not_read information.
12913 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12915 Introduce TLS descriptors for i386 and x86_64.
12916 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12917 (TARGET_ANY_GNU_TLS): New macro.
12918 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12919 (struct machine_function): Add tls_descriptor_call_expanded_p.
12920 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12921 (ix86_current_function_calls_tls_descriptor): Likewise.
12922 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12923 (override_options): Introduce gnu2 tls dialect.
12924 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12926 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12928 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12929 (ix86_init_machine_status): Initialize new field.
12930 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12931 (ix86_tls_module_base): New.
12932 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12933 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12934 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12935 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12936 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12937 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12938 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12939 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12940 * config/i386/predicates.md (tls_modbase_operand): New.
12941 (tp_or_register_operand): New.
12943 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12945 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12946 (look_for_address_of): Ditto.
12947 (ipa_init): Walk the function decls.
12948 (static_execute): Don't set readonly on FUNCTION_DECL's.
12950 2006-01-18 Roger Sayle <roger@eyesopen.com>
12952 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12953 for shifts where the source and destination registers are different.
12955 2006-01-18 Paul Brook <paul@codesourcery.com>
12957 Merge from csl-arm-branch.
12958 2005-03-14 Julian Brown <julian@codesourcery.com>
12959 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12960 (aeabi_llsl): Likewise.
12961 (ashrdi3): Likewise.
12962 (aeabi_lasr): Likewise.
12963 (lshrdi3): Likewise.
12964 (aeabi_llsr): Likewise.
12965 2005-03-10 Julian Brown <julian@codesourcery.com>
12966 * config.gcc: Disable shared libgcc for SymbianOS.
12967 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12969 2006-01-18 DJ Delorie <dj@redhat.com>
12971 * c-pragma.c (handle_pragma_diagnostic): New.
12972 (init_pragma): Register it.
12973 * doc/extend.texi: Document it.
12975 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12976 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12977 (diagnostic_context): Add classify_diagnostic[].
12978 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12979 as errors if they're overridden to DK_WARNING.
12980 (diagnostic_initialize): Initialize classify_diagnostic[].
12981 (diagnostic_set_kind_override): New.
12982 (diagnostic_report_diagnostic): Check for kind changes.
12983 * opts.c (common_handle_option): Take lang_mask. Update callers.
12984 Handle OPT_Werror_.
12985 * common.opt (Werror=): New.
12986 * doc/invoke.texi: Document -Werror=*
12988 2006-01-18 Jeff Law <law@redhat.com>
12990 * tree-vrp.c (test_for_singularity): Correct test for new
12991 min limit. Use operand_equal_p rather than pointer equality
12992 for testing if new min/max values are equal.
12994 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12995 using range information until after propagation and folding.
12997 2006-01-18 Richard Henderson <rth@redhat.com>
12998 Aldy Hernandez <aldyh@redhat.com>
12999 Jakub Jelinek <jakub@redhat.com>
13000 Diego Novillo <dnovillo@redhat.com>
13002 * omp-low.c: New file.
13003 * c-omp.c: New file.
13005 2006-01-18 Richard Henderson <rth@redhat.com>
13006 Jakub Jelinek <jakub@redhat.com>
13007 Diego Novillo <dnovillo@redhat.com>
13009 * doc/invoke.texi: Document -fopenmp.
13010 * tree-dump.h (debug_function): Declare.
13011 * hooks.c (hook_bool_tree_bool_false): New function.
13012 (hook_tree_tree_null): Remove.
13013 (hook_tree_tree_tree_null): New.
13014 * hooks.h: Update to match.
13015 * tree-pretty-print.c (debug_tree_chain): New.
13016 (print_generic_expr): Handle TDF_CHAIN.
13017 (dump_generic_node): Handle BLOCK.
13018 Do not abort with incomplete SWITCH_EXPRs.
13019 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13020 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13021 print space after directive name.
13022 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13023 Handle OMP_MASTER and OMP_ORDERED.
13024 Handle printing of OMP_BODY just in one place, goto
13025 dump_omp_body in the rest of OMP_* nodes that have
13027 Don't handle clause nodes here. Update omp statements to
13028 use dump_omp_clauses.
13029 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13030 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13031 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13032 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13033 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13034 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13035 Adjust output for GOMP_PARALLEL.
13036 (dump_omp_clauses): New.
13037 (print_declaration): Dump DECL_VALUE_EXPR.
13038 (op_symbol_1): Split out of op_symbol.
13039 (dumping_stmts): Remove. Update all users.
13040 * cgraph.c (cgraph_analyze_queue): New.
13041 (cgraph_add_new_function): New.
13042 * cgraph.h (cgraph_analyze_queue): Declare.
13043 (cgraph_add_new_function): Declare.
13044 (cgraph_lower_function): Remove.
13045 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13046 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13047 and TYPE_P nodes in its default clause.
13048 (empty_body_p): New.
13049 (tree_range_check_failed): New.
13050 (build5_stat): New.
13051 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13052 OMP_CLAUSE_REDUCTION_MERGE,
13053 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13054 OMP_CLAUSE_PRIVATE_DEBUG,
13055 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13056 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13057 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13058 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13059 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13060 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13061 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13062 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13063 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13064 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13065 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13066 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13067 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13068 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13069 (TREE_RANGE_CHECK): New.
13070 (empty_body_p): Declare.
13071 (enum omp_clause_default_kind): New.
13072 (build_string_literal): Declare.
13073 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13074 (build5_stat, build5): Declare.
13075 * tree-pass.h (TDF_CHAIN): Define.
13076 * tree-pass.h (PROP_gimple_lomp): Define.
13077 (pass_lower_omp): Declare.
13078 * diagnostic.h (debug_tree_chain): Declare.
13079 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13081 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13082 * builtins.c (build_string_literal): Make extern.
13083 * gcc.c (include_spec_function): New.
13084 (static_spec_functions): Add it.
13085 (main): Move load of libgomp.spec ...
13086 (LINK_COMMAND_SPEC): ... here.
13087 (link_gomp_spec): New.
13088 (static_specs): Include it.
13089 (LINK_COMMAND_SPEC): Add link_gomp.
13090 (GOMP_SELF_SPECS): New.
13091 (driver_self_specs): Include it.
13092 (switch_matches): Don't mark inline.
13093 (main): Load libgomp.spec.
13094 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13095 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13096 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13097 * tree-gimple.h (enum omp_parallel): Declare.
13098 (determine_parallel_type): Declare.
13099 (omp_firstprivatize_variable): Declare.
13100 (omp_reduction_init): Declare.
13101 (diagnose_omp_structured_block_errors): Declare.
13102 (struct walk_stmt_info): Add want_return_expr.
13103 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13104 (find_omp_clause): Declare.
13105 (insert_field_into_struct): Declare.
13106 (struct walk_stmt_info): Move from tree-nested.c
13107 (walk_stmts): Declare.
13108 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13110 * cgraphunit.c (cgraph_lower_function): Make static.
13111 (cgraph_finalize_pending_functions): New.
13112 (cgraph_finalize_function): Call it.
13113 (cgraph_finalize_compilation_unit): Likewise.
13114 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13115 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13116 (BT_FN_UINT_UINT): New.
13117 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13118 DEF_FUNCTION_TYPE_VAR_4): Document.
13119 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13120 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13121 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13122 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13123 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13124 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13125 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13126 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13127 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13128 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13129 into separate files.
13130 (DEF_GOMP_BUILTIN): New.
13131 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13132 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13133 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13134 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13135 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13136 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13137 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13138 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13139 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13140 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13141 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13142 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13143 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13144 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13145 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13146 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13147 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13148 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13149 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13150 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13151 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13152 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13153 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13154 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13155 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13156 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13157 * sync-builtins.def: New file, moved from builtins.def.
13158 * omp-builtins.def: New file, moved from builtins.def.
13159 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13160 * gimple-low.c (lower_function_body): Clear data.
13161 (lower_stmt): Do not handle COMPOUND_EXPR.
13162 Remove call to print_node_brief.
13163 * c-tree.h (c_finish_omp_clauses): New prototype.
13164 (C_DECL_THREADPRIVATE_P): Define.
13165 (lookup_name_no_remap, c_omp_remap_private): Remove
13166 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13167 (check_for_loop_decls): Update decl.
13168 (lookup_name_no_remap, c_omp_remap_private): Declare.
13169 (build_indirect_ref, build_modify_expr, pushdecl,
13170 pushdecl_top_level): Move to c-common.h.
13171 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13172 before the switch, but just in the 2 places that need it.
13173 * c-decl.c (diagnose_mismatched_decls): Do not check for
13174 mismatched thread-local attributes when OLDDECL is marked
13175 threadprivate and NEWDECL has no thread-local attributes.
13176 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13177 (c_gimple_diagnostics_recursively): Rename from
13178 c_warn_unused_result_recursively. Invoke
13179 diagnose_omp_structured_block_errors.
13180 (check_for_loop_decls): Return a singular decl found.
13181 * langhooks.c (lhd_omp_predetermined_sharing): Return
13182 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13183 (lhd_omp_firstprivatize_type_sizes): New.
13184 (lhd_omp_assignment): New.
13185 (lhd_omp_predetermined_sharing): New.
13186 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13187 (struct lang_hooks_for_types): Add
13188 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13189 omp_predetermined_sharing, omp_disregard_value_expr,
13190 omp_private_debug_clause, omp_clause_default_ctor,
13191 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13192 (c_finish_omp_clauses): New.
13193 (c_finish_bc_stmt): Diagnose break within omp for.
13194 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13195 (build_unary_op): Return error_mark after reporting
13197 (build_modify_expr): Likewise.
13198 * gimplify.c: Include optabs.h and pointer-set.h.
13199 (enum gimplify_omp_var_data): Declare.
13200 (struct gimplify_omp_ctx): Declare.
13201 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13203 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13204 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13205 (splay_tree_compare_decl_uid): New.
13206 (new_omp_context): New.
13207 (delete_omp_context): New.
13208 (gimple_add_tmp_var): Call omp_add_variable.
13209 (gimplify_bind_expr): Likewise.
13210 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13211 true, disregard DECL_VALUE_EXPR on the decl if any.
13212 (gimplify_expr_in_ctx): New.
13213 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13214 omp_add_variable, omp_notice_variable, omp_is_private
13215 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13216 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13217 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13218 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13219 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13220 gimplify_omp_atomic): New.
13221 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13222 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13223 OMP_CRITICAL and OMP_ATOMIC.
13224 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13225 * c-pragma.h (enum pragma_kind): Add
13226 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13227 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13228 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13229 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13230 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13231 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13232 PRAGMA_OMP_THREADPRIVATE.
13233 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13234 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13235 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13236 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13237 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13238 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13239 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13240 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13241 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13242 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13243 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13244 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13245 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13247 (struct nesting_info): Add field_map,
13248 suppress_expansion, debug_var_chain.
13249 (create_nesting_tree): Initialize them.
13250 (lookup_field_for_decl): Use field_map.
13251 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13252 (convert_local_omp_clauses): New.
13253 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13254 (walk_body): Split out of walk_function.
13255 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13256 (convert_nonlocal_reference): Handle omp statements.
13257 (convert_local_reference): Likewise.
13258 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13259 (unnest_nesting_tree): New.
13260 (lower_nested_functions): Call it.
13261 (insert_field_into_struct): Make extern.
13262 (struct walk_stmt_info): Move to tree-gimple.h.
13263 (walk_stmts): Make extern.
13264 * omp-builtins.def: New file.
13265 * tree-iterator.c (expr_only): Clarify comment.
13266 * c-common.h (pushdecl_top_level, pushdecl,
13267 build_modify_expr, build_indirect_ref,
13268 c_finish_omp_master, c_finish_omp_critical,
13269 c_finish_omp_ordered, c_finish_omp_barrier,
13270 c_finish_omp_atomic, c_finish_omp_flush,
13271 c_finish_omp_for, c_split_parallel_clauses,
13272 omp_clause_default_kind, c_omp_sharing_predetermined,
13273 c_omp_remap_decl): Declare.
13274 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13275 (OBJS-common): Add omp-low.o.
13276 (c-omp.o, omp-low.o): Add.
13277 (gimplify.o): Add dependency on $(OPTABS_H).
13278 (GTFILES): Add omp-low.c.
13279 (gt-stringpool.h): Add.
13280 * tree-cfg.c (set_bb_for_stmt): Do not update the
13281 block-to-labels map if we are currently expanding to RTL.
13282 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13284 Handle IDENTIFIER_NODE.
13285 (tree_verify_flow_info): Do not ICE when emitting error
13286 messages about invalid labels.
13287 (dump_function_to_file): Reset CFUN before emitting the body
13289 (debug_function): New.
13290 * passes.c (init_optimization_passes): Schedule
13292 * langhooks-def.h (lhd_omp_predetermined_sharing,
13293 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13295 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13296 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13297 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13298 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13299 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13300 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13301 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13302 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13303 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13304 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13305 (LANG_HOOK_DECLS): Use them.
13307 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13308 Richard Henderson <rth@redhat.com>
13309 Jakub Jelinek <jakub@redhat.com>
13310 Diego Novillo <dnovillo@redhat.com>
13312 * c-parser.c (pragma_omp_clause): Define.
13313 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13314 (c_parser_compound_statement): Likewise.
13315 (c_parser_statement): Likewise.
13316 (c_parser_pragma): Handle omp pragmas.
13317 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13318 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13319 (c_parser_omp_clause_name, check_no_duplicate_clause,
13320 c_parser_omp_variable_list,
13321 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13322 c_parser_omp_clause_copyprivate,
13323 c_parser_omp_clause_default,
13324 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13325 c_parser_omp_clause_lastprivate,
13326 c_parser_omp_clause_nowait,
13327 c_parser_omp_clause_num_threads,
13328 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13329 c_parser_omp_clause_reduction,
13330 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13331 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13332 c_parser_omp_atomic, c_parser_omp_barrier,
13333 c_parser_omp_critical, c_parser_omp_flush,
13334 c_parser_omp_for_loop, c_parser_omp_for,
13335 c_parser_omp_master, c_parser_omp_ordered,
13336 c_parser_omp_sections_scope, c_parser_omp_sections,
13337 c_parser_omp_parallel, c_parser_omp_single,
13338 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13339 * c-pragma.c (init_pragma): Do omp pragma registration here.
13340 * c.opt (fopenmp): New flag.
13342 2006-01-18 Eric Christopher <echristo@apple.com>
13344 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13345 * config/darwin.h (GOMP_SELF_SPECS): Define.
13347 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13349 * rtl.h: Remove the prototype for reg_alloc.
13351 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13354 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13355 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13356 sjlj and dwarf2 exception handling.
13357 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13358 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13359 * pa/pa.c (function_value): Treat complex and vector types as
13361 (function_arg): Likewise. Only pass scalar floats in the floating
13362 point argument registers.
13363 * pa/t-slibgcc-dwarf-ver: New file.
13364 * pa/t-slibgcc-sjlj-ver: New file.
13365 * pa/t-slibgcc-elf-ver: Delete file.
13367 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13369 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13370 unlikely_test_section_p test.
13372 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13374 * mode-switching.c (optimize_mode_switching): Make it static.
13375 * basic-block.h: Remove the prototype for
13376 optimize_mode_switching.
13378 * modulo-sched.c (sms_schedule): Make it static.
13379 * rtl.h: Remove the prototype for sms_schedule.
13381 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13382 * rtl.h: Remove the prototype for gcse_after_reload_main.
13384 * reg-stack.c (reg_to_stack): Make it static.
13385 * rtl.h: Remove the prototype for reg_to_stack.
13387 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13389 * rtl.h: Remove the prototypes for regrename_optimize and
13390 copyprop_hardreg_forward.
13392 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13394 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13395 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13396 Test against the appropriate null constant for the mode.
13397 If 'fixup_overlap' is true, swap the operands if they overlap.
13398 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13399 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13400 alpha_split_tmode_pair and adjust for above change.
13401 * config/alpha/alpha.md (movtf_internal): Adjust call to
13402 alpha_split_tfmode_pair and rely on it to swap the operands.
13403 (movti_internal): New insn and post-reload splitter.
13404 (movti): New expander.
13406 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13408 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13411 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13413 * rtlanal.c (global_reg_mentioned_p_1,
13414 global_reg_mentioned_p): Remove.
13415 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13417 * flow.c (initialize_uninitialized_subregs): Make it static.
13418 * rtl.h: Remove the prototype for
13419 initialize_uninitialized_subregs.
13421 * function.c (instantiate_virtual_regs): Make it static.
13422 * function.h: Remove the prototype for
13423 instantiate_virtual_regs.
13425 * regmove.c (regmove_optimize, combine_stack_adjustments):
13427 * rtl.h: Remove the prototypes for regmove_optimize and
13428 combine_stack_adjustments.
13430 2006-01-17 Roger Sayle <roger@eyesopen.com>
13432 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13433 (size_cost): Encode costs in bytes so that a reg-reg addition is
13434 equivalent to COSTS_N_INSNS(1).
13435 (override_options): Use the size_cost.branch_cost as the default
13436 ix86_branch_cost when optimizing for size.
13438 2006-01-18 Ben Elliston <bje@au.ibm.com>
13440 * Makefile.in (D32PBIT_FUNCS): New.
13441 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13442 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13443 D64PBIT_FUNCS and D128PBIT_FUNCS.
13444 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13445 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13447 (decnumber_dep): Define.
13448 * doc/libgcc.texi (Decimal float library routines): New node.
13449 * config/dfp-bit.h, config/dfp-bit.c: New files.
13451 2006-01-18 Ben Elliston <bje@au.ibm.com>
13453 * expr.c (emit_move_change_mode): Always adjust addresses, not
13454 just during reload. Copy replacements only during reload.
13455 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13456 emit_move_via_integer.
13458 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13460 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13461 instead of $(srcdir) and ${srcdir}.
13463 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13466 PR middle-end/11135
13467 * arm.h (struct machine_function): Add pic_reg.
13468 * arm.c (arm_pic_register): Make unsigned.
13469 (arm_override_options): Only set arm_pic_register if
13470 TARGET_SINGLE_PIC_BASE.
13471 (use_return_insn): Only test for a pic register if it is fixed.
13472 (arm_compute_save_reg0_reg12_mask): Likewise.
13473 (thumb_compute_save_reg_mask): Likewise.
13474 (legitimate_pic_operand): Factor out some known invariants.
13475 (legitimize_pic_address): If we don't have a fixed pic register,
13476 then set up a pseudo in the function entry sequence. Handle the
13477 pic base being in a pseudo.
13478 (arm_load_pic_register): Handle the pic register being in a pseudo.
13479 (arm_expand_prologue): Only set up the pic register if it is fixed.
13480 (thumb_expand_prologue): Likewise.
13481 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13482 (pic_load_addr_based_insn): Likewise.
13483 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13486 2006-01-18 Ben Elliston <bje@au.ibm.com>
13488 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13489 decimal float modes for all floating point registers.
13491 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13492 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13494 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13497 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13498 even when the pointer is not NULL.
13500 2006-01-16 Ian Lance Taylor <ian@airs.com>
13502 * common.opt (ftoplevel-reorder): New option.
13503 * cgraph.c (cgraph_asm_nodes): New global variable.
13504 (cgraph_asm_last_node): New static variable.
13505 (cgraph_order): New global variable.
13506 (cgraph_create_node): Set new order field.
13507 (cgraph_varpool_node): Likewise.
13508 (decide_is_variable_needed): Return true if not
13509 flag_toplevel_reorder.
13510 (cgraph_add_asm_node): New function.
13511 * cgraph.h (struct cgraph_node): Add order field.
13512 (struct cgraph_varpool_node): Add order field.
13513 (struct cgraph_asm_node): Define.
13514 (cgraph_asm_nodes, cgraph_order): Declare.
13515 (cgraph_add_asm_node): Declare.
13516 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13518 (cgraph_varpool_assemble_pending_decls): Call it.
13519 (cgraph_output_pending_asms): New static function.
13520 (cgraph_finalize_compilation_unit): Call it.
13521 (struct cgraph_order_sort): Define.
13522 (cgraph_output_in_order): New static function.
13523 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13524 !flag_toplevel_reorder case.
13525 * c-parser.c: Include "cgraph.h".
13526 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13528 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13529 than -fno-unit-at-a-time.
13530 * doc/invoke.texi (Option Summary): Mention
13531 -fno-toplevel-reorder.
13532 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13533 -funit-at-a-time documentation.
13535 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13536 Kazu Hirata <kazu@codesourcery.com>
13538 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13540 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13542 * Makefile.in (FUNCTION_H): New. Use it instead of
13543 function.h throughout the file.
13544 * function.h: Include tree.h.
13546 2006-01-17 Ben Elliston <bje@au.ibm.com>
13548 * recog.c: Separate some functions with whitespace.
13550 2006-01-16 Richard Henderson <rth@redhat.com>
13552 Merge from gomp branch:
13553 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13554 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13555 and rename from struct inline_data. Rename callee* to dst*;
13556 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13557 transform_new_cfg, transform_return_to_modify, and
13558 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13560 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13561 (copy_decl_for_dup): Remove.
13562 * tree-inline.c (struct inline_data): Move to header.
13563 (insert_decl_map): Export.
13564 (remap_decl): Update for member name changes. Use copy_decl hook.
13565 Allow for replacement to be a non-decl. Remove dead code.
13566 (remap_type_1): Check for existing mapping.
13567 (remap_type): Export.
13568 (remap_decls): Update for member name changes.
13569 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13570 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13571 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13572 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13573 (tree_function_versioning, build_duplicate_type): Likewise.
13574 (copy_body_r): Likewise. Export.
13575 (copy_decl_for_dup): Split into ...
13576 (copy_decl_for_dup_finish, copy_decl_to_var,
13577 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13578 (replace_ref_tree, inlining_p): Remove.
13580 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13582 * ifcvt.c (if_convert): Make it static.
13583 * rtl.h: Remove the prototype for if_convert.
13585 * local-alloc.c (local_alloc): Make it static.
13586 * rtl.h: Remove the prototype for local_alloc.
13588 * loop.c (loop_optimize): Make it static.
13589 * cfgloop.h: Remove the prototype for loop_optimize.
13592 2006-01-16 DJ Delorie <dj@redhat.com>
13594 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13597 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13599 * pa.md: Disparage copies between general and floating-point registers
13600 in 32-bit move patterns.
13602 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13605 * Makefile.in (check-%): Depend on site.exp instead of
13606 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13609 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13611 * global.c (global_alloc): Make it static.
13612 * rtl.h: Remove the prototype for global_alloc.
13614 2006-01-16 Richard Guenther <rguenther@suse.de>
13616 * tree-ssa-alias.c (struct used_part): Add write_only field.
13617 (get_or_create_used_part_for): Initialize it to true.
13618 (create_overlap_variables_for): Don't create structure variables
13619 for structures that only are written to.
13620 (find_used_portions): Handle MODIFY_EXPR to track whether a
13621 structure is only written to.
13623 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13625 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13627 * basic-block.h: Remove the prototype for
13628 partition_hot_cold_basic_blocks.
13630 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13632 * cppspec.c (lang_specific_spec_functions): Remove.
13633 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13634 * gcc.h (lang_specific_spec_functions): Remove.
13635 * gccspec.c (lang_specific_spec_functions): Remove.
13637 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13639 * combine.c (record_value_for_reg): Invalidate registers
13641 (record_dead_and_set_regs_1): Likewise, by passing them to
13642 record_value_for_reg.
13643 (record_dead_and_set_regs): Invalidate stores made by a
13644 call. We do not combine across a call, but we still
13645 relied on equivalences.
13647 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13649 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13650 vrp_int_const_binop returning non-constant nodes.
13652 2006-01-16 Paul Brook <paul@codesourcery.com>
13654 * config/m68k/m68k.c (output_move_const_into_data_reg):
13655 Output correct mnemonic for mvz and mvs.
13657 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13659 * rtl-factoring.c: Add sequence abstraction algorithm.
13660 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13661 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13663 (block_has_preserve_label): New function.
13664 * common.opt: Register new pass.
13665 * Makefile.in: Ditto.
13667 * timevar.def: Ditto.
13668 * tree-pass.h: Ditto.
13669 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13670 * rtl.h (make_jump_insn_raw): Add forward decl.
13671 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13673 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13674 Roger Sayle <roger@eyesopen.com>
13676 * fold-const.c (fold_minmax): New static function.
13677 (fold_binary) <MIN_EXPR>: Call it.
13678 <MAX_EXPR>: Likewise.
13679 * stor-layout.c (place_field): Use DECL_SIZE consistently
13680 in the computation of the new record size.
13682 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13684 * cse.c (cse_condition_code_reg): Make it static.
13685 * rtl.h: Remove the prototype for cse_condition_code_reg.
13687 * combine.c (combine_instructions): Make it static.
13688 * rtl.h: Remove the prototype for combine_instructions.
13690 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13693 * tree.c (get_file_function_name_long): Concatenate the first global
13694 object name with a string derived from the input filename of the object
13697 2006-01-16 Ben Elliston <bje@au.ibm.com>
13699 * config/i386/winnt-stubs.c: Update FSF address.
13700 * config/xtensa/ieee754-df.S: Ditto.
13701 * config/xtensa/ieee754-sf.S: Ditto.
13703 2006-01-14 Ian Lance Taylor <ian@airs.com>
13705 * ifcvt.c (noce_init_if_info): New static function, broken out of
13706 noce_process_if_block.
13707 (noce_process_if_block): Call noce_init_if_info.
13708 (check_cond_move_block): New static function.
13709 (cond_move_process_if_block): New static function.
13710 (process_if_block): Call cond_move_process_if_block.
13712 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13714 * cselib.c (hash_table): Rename to cselib_hash_table.
13715 (cselib_clear_table, discard_useless_values,
13716 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13717 cselib_init, cselib_finish): Adjust uses of hash_table.
13719 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13721 PR tree-optimization/25485
13722 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13723 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13724 is known to be false and true, respectively.
13726 2006-01-14 Richard Guenther <rguenther@suse.de>
13728 PR tree-optimization/22548
13729 PR tree-optimization/22555
13730 PR tree-optimization/22501
13731 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13732 * params.def (salias-max-array-elements): New parameter.
13733 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13734 * doc/invoke.texi (salias-max-array-elements): Document.
13735 * tree-flow-inline.h (var_can_have_subvars): We also handle
13737 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13739 * tree-ssa-structalias.c (params.h): Include.
13740 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13741 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13742 (get_constraint_for): For ADDR_EXPR operating on something
13743 containing an ARRAY_REF, add all subvars to the solution.
13744 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13745 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13746 for creating MUST_DEFs.
13747 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13749 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13751 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13753 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13754 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13755 number_of_iterations_le): New functions.
13756 (number_of_iterations_special): Removed.
13757 (number_of_iterations_exit): Do not use number_of_iterations_special.
13758 * tree.c (unsigned_type_for): Always return integer type.
13760 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13761 Richard Guenther <rguenther@suse.de>
13763 PR rtl-optimization/24257
13764 * gcse.c (find_moveable_store): Only consider a store movable
13765 when the SET_SRC of the insn can be assigned to a register.
13767 2006-01-14 Ian Lance Taylor <ian@airs.com>
13769 * tree.c (tree_not_class_check_failed): New function.
13770 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13771 (tree_not_class_check_failed): Declare.
13773 2006-01-13 Ian Lance Taylor <ian@airs.com>
13775 * reload1.c (do_output_reload): Add assertion rejecting a
13778 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13780 * combine.c (struct reg_stat): Add new fields truncation_label and
13782 (record_value_for_reg): Reset truncated_to_mode.
13783 (record_truncated_value): New function.
13784 (check_promoted_subreg): Call it. Rename to check_conversions.
13785 (combine_instructions): Rename check_promoted_subreg to
13787 (reg_truncated_to_mode): New function.
13788 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13789 (gen_lowpart_or_truncate): New function.
13790 (force_to_mode): Use it instead of gen_lowpart.
13792 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13794 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13795 VAR is a tag, not its type tag.
13797 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13799 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13800 alternatives to match style of other entries.
13801 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13803 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13805 PR tree-optimization/25771
13806 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13809 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13812 * tree-inline.c (declare_return_variable): If the return variable
13813 was marked as a non gimple complex, set the return slot variable
13814 to be a non gimple comple variable.
13816 2006-01-13 Richard Guenther <rguenther@suse.de>
13818 * builtins.c (expand_builtin_sincos): New function.
13819 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13821 (expand_builtin): Expand sincos using expand_builtin_sincos.
13823 2006-01-12 DJ Delorie <dj@redhat.com>
13825 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13826 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13827 so that constant shifts can be split.
13828 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13829 (m32c_valid_pointer_mode): Make static.
13830 (shift_gen_func_for): New.
13831 (m32c_prepare_shift): Use it. Split large const shifts into
13833 * config/m32c/predicates.md (shiftcount_operand): Allow more
13835 (longshiftcount_operand): New.
13836 * doc/md.texi (Machine Constraints): Document In6.
13838 2006-01-13 Ben Elliston <bje@au.ibm.com>
13840 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13841 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13844 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13846 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13847 to try to avoid clobbering pieces of structures when we know
13848 something about the whole structure.
13849 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13851 2006-01-13 Ben Elliston <bje@au.ibm.com>
13853 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13854 return in memory, as this is no limitation is no longer present.
13856 2006-01-12 DJ Delorie <dj@redhat.com>
13858 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13859 mova with fb, and for fb+0 -> An.
13861 * config/m32c/mov.md (peephole2): Fix enabling logic.
13863 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13864 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13865 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13866 FINI_ARRAY_SECTION_ASM_OP): Define.
13868 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13870 (m32c_legitimize_reload_address): New logic to reload FB to An.
13871 (m32c_output_reg_push): Add newline.
13872 (m32c_output_reg_pop): Likewise.
13874 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13876 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13878 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13880 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13882 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13884 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13887 2006-01-11 Ben Elliston <bje@au.ibm.com>
13889 * rtlanal.c (find_reg_note): Assert insn is not null.
13891 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13893 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13896 2006-01-11 Jeff Law <law@redhat.com>
13898 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13900 (mark_threaded_blocks, register_jump_thread): New functions.
13901 (thread_through_all_blocks): Remove unwanted argument. No
13902 longer rely on e->aux to communicate thread target info.
13903 Call mark_threaded_blocks. Release the threaded_blocks
13904 bitmap and threaded_edges vector when complete.
13905 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13906 (threaded_blocks): Remove.
13907 (tree_ssa_dominator_optimize): Remove initialization and
13908 finalization of threaded_blocks. Simplify call to
13909 thread_through_all_blocks.
13910 (thread_across_edge): Call register_jump_thread rather than
13911 storing thread information into e->aux.
13912 (free_all_edge_infos): Simplify now that e->aux is no longer
13913 used to communicate with thread_through_all_blocks.
13914 * tree-flow.h (thread_through_all_blocks): Update prototype.
13915 (register_jump_thread): Prototype.
13917 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13919 * df-core.c (df_compact_blocks, df_bb_replace): Use
13920 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13922 2006-01-11 Richard Guenther <rguenther@suse.de>
13924 PR tree-optimization/25734
13925 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13926 stop propagation after successful propagation to the LHS.
13928 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13930 * basic-block.h (control_flow_graph): Change the type of
13931 x_basic_block_info to VEC(basic_block,gc) *.
13932 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13934 (SET_BASIC_BLOCK): New.
13935 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13936 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13937 * cfgbuild.c (find_basic_blocks): Likewise.
13938 * cfglayout.c (fixup_reorder_chain): Likewise.
13939 * cfgrtl.c (create_basic_block_structure,
13940 rtl_create_basic_block): Likewise.
13941 * ifcvt.c (find_if_case_1): Likewise.
13942 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13945 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13947 * Makefile.in: Removed rotted odf.c entry.
13949 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13952 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13953 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13954 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13955 output pattern modifier, not %e.
13956 * config/cris/cris.c (cris_op_str): Update comment about pattern
13958 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13959 before falling through into...
13960 <case 'E'>: Redefined from old 'e' case.
13962 2006-01-11 Jan Hubicka <jh@suse.cz>
13965 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13967 2006-01-11 Jan Hubicka <jh@suse.cz>
13969 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13970 * i386.c (x86_decompose_lea): Kill.
13971 (ix86_rtx_costs): Kill.
13973 2006-01-11 Jan Hubicka <jh@suse.cz>
13975 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13976 * cgraph.h (cgraph_node): Add inline_decl.
13977 (cgraph_insert_node_to_hashtable): Declare.
13978 (save_inline_function_body): Declare.
13979 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13981 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13982 (cgraph_function_versioning): Update call of tree_function_versioning.
13983 (save_inline_function_body): New function.
13984 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13985 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13986 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13987 (cgraph_default_inline_p): Likewise.
13988 (cgraph_decide_inlining_incrementally): Likewise.
13989 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13990 (copy_bb): Kill saving; do updating of clones.
13991 (copy_cfg_body): Kill saving.
13992 (initialize_inlined-parameters): Likewise.
13993 (expand_call_inline): Likewise.
13995 (tree_function_versioning): New parameter "update_clones".
13996 (inlining_p): Kill saving.
13997 * tree-inline.h (tree_function_versioning): Update prototype.
13998 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14001 2006-01-11 Ian Lance Taylor <ian@airs.com>
14003 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14004 Allow undoing set of machine mode.
14005 (do_SUBST): Use enums instead of is_int.
14006 (do_SUBST_MODE): New function.
14007 (SUBST_MODE): New macro.
14008 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14009 reg and trying to replace reg_regno_rtx with a new register.
14010 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14011 (simplify_set): Use SUBST_MODE.
14012 (distribute_notes): Remove code that tried to update reg notes
14013 for regno_reg_rtx changes.
14015 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14017 PR tree-optimization/23109
14018 PR tree-optimization/23948
14019 PR tree-optimization/24123
14021 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14022 * tree-cfg.c (single_noncomplex_succ): New.
14023 * tree-flow.h (single_noncomplex_succ): Declare it.
14024 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14025 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14026 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14027 insert_bb, register_division_in, insert_reciprocals,
14028 replace_reciprocal, free_bb): New.
14029 (execute_cse_reciprocals_1): Rewritten.
14030 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14031 Do not commit any edge insertion. Always compute dominators and
14032 create the allocation pool.
14033 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14034 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14035 * targhooks.c (default_min_divistions_for_recip_mul): New.
14036 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14037 * passes.c (init_optimization_passes): Run recip after tree loop
14039 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14041 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14042 Kenneth Zadeck <zadeck@naturalbridge.com>
14044 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14045 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14046 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14047 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14048 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14049 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14050 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14051 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14052 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14053 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14054 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14055 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14056 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14057 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14058 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14059 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14060 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14061 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14062 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14063 DF_SCAN_POST_ALLOC): New macros.
14064 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14065 df_free_bb_function, df_local_compute_function, df_init_function,
14066 df_dataflow_function, df_confluence_function_0,
14067 df_confluence_function_n, df_transfer_function,
14068 df_finalizer_function, df_free_function, df_dump_problem_function,
14069 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14070 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14071 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14072 df_urec_bb_info, ) New types.
14073 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14075 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14076 df_analyze_simple_change_some_blocks,
14077 df_analyze_simple_change_one_block, df_compact_blocks,
14078 df_bb_replace, df_bb_regno_last_use_find,
14079 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14080 df_insn_regno_def_p, df_find_def, df_find_use,
14081 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14082 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14083 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14084 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14085 debug_df_chain, df_get_dependent_problem, df_chain_create,
14086 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14087 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14088 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14089 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14090 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14091 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14092 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14093 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14094 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14095 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14096 df_reorganize_refs, df_set_state, df_hard_reg_init,
14097 df_read_modify_subreg_p) New public functions.
14098 * df-core.c: The core dataflow solver and glue routines for rtl
14100 (df_init, df_add_problem, df_set_blocks, df_finish,
14101 df_hybrid_search_forward, df_hybrid_search_backward,
14102 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14103 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14104 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14105 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14106 df_reg_defined, df_find_use, df_reg_used, df_dump,
14107 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14108 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14109 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14110 debug_df_useno, reset_df_after_reload): New functions.
14111 * df-scan.c: The scanning fuctions, once in df.c, completely
14112 rewritten so that they now fully model the functionality of
14113 register usage at the backend.
14114 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14115 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14116 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14117 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14118 df_get_artificial_defs, df_get_artificial_uses,
14119 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14120 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14121 df_refs_delete, df_reorganize_refs, df_set_state,
14122 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14123 df_def_record_1, df_defs_record, df_uses_record,
14124 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14125 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14126 df_record_exit_block_uses, df_hard_reg_init): New functions.
14128 * df-problems.c: Seven concrete dataflow problems that use the
14129 scanning in df-scan.c and are solved by the engine in df-core.c.
14130 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14131 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14132 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14133 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14134 df_ru_free_bb_info, df_ru_alloc,
14135 df_ru_bb_local_compute_process_def,
14136 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14137 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14138 df_ru_transfer_function, df_ru_free, df_ru_dump,
14139 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14140 df_rd_free_bb_info, df_rd_alloc,
14141 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14142 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14143 df_rd_transfer_function, df_rd_free, df_rd_dump,
14144 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14145 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14146 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14147 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14148 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14149 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14150 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14151 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14152 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14153 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14154 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14155 df_urec_mark_reg_use_for_earlyclobber,
14156 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14157 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14158 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14159 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14160 df_chain_create_bb_process_use, df_chain_create_bb,
14161 df_chain_finalize, df_chain_free, df_chains_dump,
14162 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14163 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14164 df_reg_lifetime): New functions.
14165 * df.c: Deleted file.
14166 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14167 consistent with new df api.
14168 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14169 rest_of_handle_sms): Ditto.
14170 * web.c (unionfind_union, union_defs, entry_register, web_main):
14172 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14173 invariant_expr_equal_p, find_defs, check_dependencies,
14174 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14175 free_inv_motion_data, move_loop_invariants): Ditto.
14176 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14177 Update dependencies.
14178 (odf.c): Added defective entry that was deleted later in day.
14179 * sched-deps.c (sched_analyze_1): Ditto.
14181 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14183 * tree-ssa-operands.c (get_expr_operands): Record addressable
14184 variables directly. Do not call add_stmt_operands for CONST_DECLs
14186 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14187 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14189 2006-01-11 Ben Elliston <bje@au.ibm.com>
14191 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14192 function returns true in the positive case.
14194 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14197 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14198 for SI, DI, SF and DF modes. Add alternatives to copy between
14199 general and floating point registers to the 32-bit patterns.
14200 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14201 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14202 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14203 generating 64-bit code.
14204 * config/pa/pa.c (output_move_double): Handle copies between general
14205 and floating registers.
14207 2006-01-10 Stuart Hastings <stuart@apple.com>
14209 * config/i386/i386.md (set_got): Update.
14210 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14211 (builtin_setjmp_receiver): Mach-O support.
14212 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14213 (GOT_SYMBOL_NAME): Define.
14214 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14215 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14216 * config/i386/i386.c (override_options): Revise for Darwin.
14217 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14218 support. (darwin_x86_file_end): New. (output_set_got): Add label
14219 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14220 * config/i386/i386-protos.h (output_set_got): Likewise.
14221 * config/darwin.c (machopic_legitimize_pic_address): Update
14224 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14226 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14227 when MODE isn't BLKmode.
14229 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14231 PR rtl-optimization/25367
14232 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14234 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14237 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14238 for a negative bound.
14240 2006-01-10 Richard Guenther <rguenther@suse.de>
14242 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14243 Never override with anything constraint.
14245 2006-01-10 Jan Beulich <jbeulich@novell.com>
14247 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14248 256 bits when optimize_size.
14250 2006-01-10 Jan Beulich <jbeulich@novell.com>
14252 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14254 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14255 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14258 2006-01-10 Ben Elliston <bje@au.ibm.com>
14260 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14262 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14263 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14264 (USE_FP_FOR_ARG): Reject decimal float modes.
14265 (function_arg_advance): Likewise.
14266 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14267 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14268 point types in AltiVec vectors.
14269 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14270 (rs6000_libcall_value): Likewise.
14272 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14274 * config/xtensa/ieee754-df.S: New file.
14275 * config/xtensa/ieee754-sf.S: New file.
14276 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14277 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14278 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14280 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14282 * config/sh/predicates.md (binary_float_operator,
14283 binary_logical_operator, commutative_float_operator,
14284 equality_comparison_operator, greater_comparison_operator,
14285 less_comparison_operator, logical_operator,
14286 noncommutative_float_operator, shift_operator,
14287 symbol_ref_operand, unary_float_operator): Remove redundant
14290 2006-01-09 Jeff Law <law@redhat.com>
14292 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14293 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14294 now unused arguments. Callers updated.
14295 (eliminate_redundant_computations): Remove now unused arguments,
14297 (local_fold): Remove, no longer used.
14298 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14300 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14301 (simplify_cond): New function.
14302 (forward_propagate_into_cond): Call simplify_cond.
14304 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14306 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14307 (*vec_extractv2di_1_sse): New.
14309 2006-01-09 Ben Elliston <bje@au.ibm.com>
14311 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14313 2006-01-08 Richard Guenther <rguenther@suse.de>
14315 * tree-ssa-structalias.c (get_constraint_for): Remove
14316 anyoffset argument.
14317 (get_constraint_for_component_ref): Likewise.
14318 (do_deref): Likewise.
14319 (get_constraint_for): Likewise.
14320 (do_structure_copy): Likewise.
14321 (handle_ptr_arith): Likewise.
14322 (find_func_aliases): Likewise. Remove unused need_anyoffset
14325 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14326 Kaz Kojima <kkojima@gcc.gnu.org>
14328 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14329 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14330 (EXTRA_CONSTRAINT_C16): Remove.
14331 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14332 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14333 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14334 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14335 constants of SHmedia. Handle nested constant expressions of
14337 (andcosts): Fix the costs for SHmedia constants.
14338 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14339 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14340 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14341 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14342 (movv4hi_i, movv2si_i): Likewise.
14343 (movsi_const): Adjust the second operand of ior so to match with
14344 the Csu constraint.
14345 (movdi_const, movdi_const_32bit): Likewise.
14346 (movdi_const_16bit+1): Don't sign-extend LOW.
14347 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14349 (*double_shori): Fix the split condition. Use GEN_INT instead
14350 of get_int_mode calls. Mask lower 16-bit of the argument of
14352 (sym2GOTPLT): Remove.
14353 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14355 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14356 instead of EXTRA_CONSTRAINT_C16.
14358 2006-01-07 Ian Lance Taylor <ian@airs.com>
14359 David Edelsohn <edelsohn@gnu.org>
14361 PR rtl-optimization/25662
14362 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14363 for constant operands instead of simplify_gen_binary.
14364 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14365 after trying simplify_binary_operation
14367 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14369 * tree.c (iterative_hash_expr): Hash decls based on UID.
14371 2006-01-06 Eric Christopher <echristo@apple.com>
14373 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14374 (TARGET_UNWIND_EMIT): Fix spelling.
14375 * target.h (gcc_target): Add except_table_label.
14376 * except.c (output_function_exception_table): Use.
14377 * varasm.c (default_emit_except_table_label): New.
14378 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14380 (asm_out): Add here.
14381 * output.h (default_emit_except_table_label): Prototype.
14382 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14383 * config/darwin.c (darwin_emit_except_table_label): Define.
14384 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14386 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14388 PR tree-optimization/18527
14389 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14390 number_of_iterations_special, number_of_iterations_exit):
14391 Move base and step of an iv to a single structure. Add
14392 no_overflow flag, and use it in # of iterations analysis.
14393 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14394 folded_casts argument.
14395 (simple_iv): Pass base and step in a structure. Set no_overflow
14397 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14398 Evaluate expensiveness of computing # of iterations instead of
14399 the final expression.
14400 * tree-scalar-evolution.h (affine_iv): New structure.
14401 (simple_iv): Declaration changed.
14402 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14403 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14404 find_givs_in_stmt): Changed due to simple_iv change.
14406 2006-01-06 Jeff Law <law@redhat.com>
14409 * tree-cfg.c (bsi_replace): Rename final argument from
14410 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14411 change (stmt -> orig_stmt).
14412 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14413 (bsi_remove): Add new argument. Remove EH information
14415 (verify_eh_throw_table_statements): New function.
14416 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14418 * tree-optimize.c (execute_free_cfg_annotations): Verify
14419 the EH throw statement table after removing annotations.
14420 * except.h (verify_eh_throw_table_statements): Prototype.
14421 * tree-flow.h (bsi_remove): Update prototype.
14422 * tree-vrp.c (remove_range_assertions): Add new argument to
14424 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14425 * tree-complex.c (expand_complex_div_wide): Likewise.
14426 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14427 * tree-tailcall.c (eliminate_tailcall): Likewise.
14428 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14429 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14430 * tree-nrv.c (tree_nrv): Likewise.
14431 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14432 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14433 (combine_blocks): Likewise.
14434 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14435 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14436 (cleanup_control_flow): Likewise.
14437 (remove_forwarder_block): Likewise.
14438 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14439 * tree-sra.c (sra_replace): Likewise.
14440 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14441 (forward_propagate_single_use_vars): Likewise.
14442 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14443 * tree-inline.c (expand_call_inline): Likewise.
14444 * tree-vect-transform.c (vect_transform_loop): Likewise.
14445 * tree-outof-ssa.c (rewrite_trees): Likewise.
14446 * tree-cfg.c (make_goto_expr_edges): Likewise.
14447 (cleanup_dead_labels): Likewise.
14448 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14449 (bsi_move_before, bsi_move_after): Likewise.
14450 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14451 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14453 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14456 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14458 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14459 on non gimple variables. Also add checks at the top for decls and
14461 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14463 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14464 and IMAGPART_EXPR for creating MUST_DEFs.
14465 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14466 and NAME_MEMORY_TAG separately from the DECLs.
14468 2006-01-06 Richard Guenther <rguenther@suse.de>
14470 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14471 annotation, if necessary.
14472 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14473 redundant calls to update_stmt.
14474 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14477 2006-01-05 Richard Henderson <rth@redhat.com>
14479 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14481 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14483 * c-typeck.c: Update copyright date.
14485 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14487 * c-typeck.c (build_c_cast): Always warn when casting
14488 from a pointer to an integer of different size, even if
14489 the node was constant.
14491 2006-01-05 Richard Guenther <rguenther@suse.de>
14493 PR tree-optimization/22555
14494 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14495 if one structure field is an array.
14496 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14497 operands even if we found a subvar, but ignore VOPs in this
14499 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14501 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14503 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14505 PR middle-end/24998
14506 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14508 2006-01-05 Richard Guenther <rguenther@suse.de>
14509 Diego Novillo <dnovillo@redhat.com>
14511 * tree-pass.h (TODO_remove_unused_locals): Define.
14512 * gimple-low.c (expand_var_p, remove_useless_vars,
14513 pass_remove_useless_vars): Remove. Update all users.
14514 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14515 (remove_unused_locals): New function.
14516 * tree-flow.h (remove_unused_locals): Declare.
14517 * passes.c (execute_todo): Call remove_unused_locals if
14518 TODO_remove_unused_locals is set.
14519 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14520 * tree-ssa-dce.c (pass_dce): Likewise.
14521 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14523 2006-01-05 Richard Guenther <rguenther@suse.de>
14525 * tree-flow.h (struct fieldoff): Decompose field to
14526 type, size and decl.
14527 * tree-ssa-alias.c (create_sft): Take type as parameter.
14528 (create_overlap_variables_for): Store type, size and decl
14529 in the fieldoff structure.
14530 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14531 of struct fieldoff.
14532 (push_fields_onto_fieldstack): Likewise.
14533 (create_variable_info_for): Likewise. Use offset for the
14534 SFT name if the decl is not available.
14536 2006-01-04 Paul Brook <paul@codesourcery.com>
14538 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14540 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14542 * lambda-code.c (can_put_in_inner_loop): Relax
14544 (can_put_after_inner_loop): New function.
14545 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14546 (perfect_nestify): Change to make copies and modify uses.
14548 2006-01-04 Richard Henderson <rth@redhat.com>
14550 Merge from gomp branch:
14551 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14552 via integer constant.
14553 (pragma_lex): Remove.
14554 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14555 rather than parsing it.
14556 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14557 handle_pragma_extern_prefix): Add %< %> quotes.
14558 (registered_pragmas): New.
14559 (c_register_pragma_1): New.
14560 (c_register_pragma): Use it.
14561 (c_register_pragma_with_expansion): Likewise.
14562 (c_invoke_pragma_handler): New.
14563 (init_pragma): Use cpp_register_deferred_pragma directly for
14565 * c-pragma.h (enum pragma_kind): New.
14566 (pragma_handler): New.
14567 (c_invoke_pragma_handler): Declare.
14568 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14570 * c-common.h (c_common_pch_pragma): Update decl.
14571 * Makefile.in (c-parser.o): Update dependencies.
14572 (GTFILES): Add c-pragma.h.
14573 * c-parser.c (struct c_token): Add pragma_kind.
14574 (struct c_parser): Add in_pragma.
14575 (c_lex_one_token): Always initialize keyword and pragma_kind.
14576 Extract data for CPP_PRAGMA.
14577 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14578 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14579 Don't allow CPP_PRAGMA_EOL if in_pragma.
14580 (c_parser_consume_pragma): New.
14581 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14582 (c_parser_skip_to_end_of_parameter): Likewise.
14583 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14584 (c_parser_skip_to_pragma_eol): New.
14585 (c_parser_external_declaration): Handle CPP_PRAGMA.
14586 (c_parser_compound_statement_nostart): Likewise.
14587 (c_parser_statement_after_labels): Likewise.
14588 (c_parser_pragma): New.
14589 (pragma_lex): Likewise.
14590 (c_parser_pragma_pch_preprocess): New.
14591 (c_parser_new): Merge into ...
14592 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14594 2006-01-04 Jeff Law <law@redhat.com>
14597 * tree-cfg.c (bsi_replace): Remove the original statement
14598 from the EH throw statement table.
14600 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14602 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14603 make the prototype extern "C" and add throw ().
14606 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14607 and pos non-negative and pos + len <= 32.
14608 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14609 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14610 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14613 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14614 as well as sizes not multiple of component size.
14617 * function.c (instantiate_expr): New function.
14618 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14619 walk its DECL_VALUE_EXPR with instantiate_expr.
14621 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14622 DW_OP_deref{,_size} if address isn't going to be added.
14624 2006-01-04 Ben Elliston <bje@au.ibm.com>
14626 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14627 * config/fp-bit.c: Likewise.
14629 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14631 * dominance.c: Add comment about why we use DFS numbering
14634 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14635 Richard Henderson <rth@redhat.com>
14637 Merge from gomp-branch:
14638 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14639 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14641 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14643 PR rtl-optimization/25578
14644 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14645 pass a parameter to simplify_shift_const if changing ASHIFTRT
14648 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14650 * builtins.c (get_builtin_sync_mem): New function.
14651 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14652 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14653 Call get_builtin_sync_mem to generate mem rtx.
14655 2006-01-03 Richard Guenther <rguenther@suse.de>
14658 * stmt.c (add_case_node): Make sure to clear overflow flags
14661 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14663 Merge from gomp-branch.
14664 * config/sparc/sync.md: New file.
14665 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14666 UNSPECV_LDSTUB): New constants.
14667 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14668 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14669 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14672 2006-01-03 Roger Sayle <roger@eyesopen.com>
14674 * combine.c (reg_subword_p): New predicate to test whether the
14675 destination of a set refers to a subword/piece of a register.
14676 (try_combine): Generalize the code to merge the setting of a
14677 pseudo to a constant followed by a set of a subword of that
14678 register to a constant.
14680 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14682 * basic-block.h (control_flow_graph): Change the type of
14683 x_label_to_block_map to VEC(basic_block,gc) *.
14684 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14685 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14687 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14688 VEC(basic_block,heap) *.
14689 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14690 ssa_prop_fini): Adjust the uses of cfg_blocks.
14692 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14694 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14696 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14697 hashing trees instead of a pointer hash.
14698 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14699 compare for MEM_EXPR.
14701 PR rtl-optimization/25130
14702 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14703 when comparing MEMs for GCSE
14705 2006-01-03 Ben Elliston <bje@au.ibm.com>
14707 * targhooks.h (default_decimal_float_supported_p): Declare.
14708 * targhooks.c (default_decimal_float_supported_p): Define.
14709 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14710 `default_decimal_float_supported_p'.
14711 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14713 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14715 * combine.c (apply_distributive_law <SUBREG>): Check
14716 TRULY_NOOP_TRUNCATION.
14718 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14720 * dwarf2out.c (have_switched_text_section): Delete.
14721 (have_multiple_function_sections): New.
14722 (have_location_lists): Make 'bool'.
14723 (add_AT_loc_list): Use 'true' not '1'.
14724 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14725 (output_loc_list): Use have_multiple_function_sections.
14726 (output_ranges): Likewise.
14727 (dwarf2out_begin_function): Set have_multiple_function_sections if
14729 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14730 Check function_section rather than DECL_SECTION_NAME.
14731 (dwarf2out_finish): Use have_multiple_function_sections.
14732 Don't clear have_location_lists.
14734 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14735 Jan Hubicka <jh@suse.cz>
14737 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14738 case of conditional jump jumping to the next instruction.
14739 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14740 cases of conditional jump jumping to the next instruction.
14742 2006-01-02 Jan Hubicka <jh@suse.cz>
14744 * i386.c (*_cost): Add COSTS_N_INSNS.
14745 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14747 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14750 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14752 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14754 * config/arm/arm.c (all_fpus): Fix comment typo.
14755 * config/darwin.c: Likewise.
14756 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14757 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14758 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14760 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14762 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14763 (rs6000_split_compare_and_swapqhi): New.
14764 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14765 (sync_compare_and_swapqhi_internal): New.
14766 * config/rs6000/rs6000-protos.h: Declare.