1 2006-09-10 Eric Christopher <echristo@apple.com>
3 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6 2006-09-09 Eric Christopher <echristo@apple.com>
9 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
12 2006-09-09 Roger Sayle <roger@eyesopen.com>
13 Nicolas Setton <setton@adacore.com>
15 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
17 2006-09-10 Andreas Schwab <schwab@suse.de>
19 * config/m68k/m68k.md (bungt_rev): New pattern.
21 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
22 Dale Johannesen <dalej@apple.com>
25 * regclass.c (struct reg_pref): Update documentation.
26 (regclass): Set prefclass to NO_REGS if memory is the best option.
27 (record_reg_classes): Cope with a prefclass set to NO_REGS.
29 2006-09-08 Eric Christopher <echristo@apple.com>
31 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
32 * config/t-slibgcc-darwin: Support x86_64 multilib.
33 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
34 Return 1 for x86_64-darwin.
35 * config/i386/t-darwin: Add m64 multilib.
36 (LIB2_SIDITI_CONV_FUNCS): Use.
37 (LIB2FUNCS_EXTRA): Ditto.
38 * config/i386/darwin.h: Support x86_64.
39 * config/i386/i386.c (override_options): Turn on flag_pic
40 for x86_64-darwin. Disable flag_omit_pointer.
41 (get_pc_thunk_name): Assert !TARGET_64BIT.
42 (legitimate_address_p): Disable machopic addressing for
44 (legitimize_pic_address): Ditto.
45 (ix86_expand_move): Ditto.
46 (ix86_expand_call): Ditto.
47 (machopic_output_stub): Ditto.
48 * config/darwin.c (machopic_select_section): Support literal16.
49 (machopic_select_rtx_section): Ditto.
50 * config/darwin-sections.def: Ditto.
51 * config/darwin-64.c: New.
53 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
56 * c-tree.h (struct c_arg_info): Add pending_sizes.
57 * c-parser.c (c_parser_parms_declarator,
58 c_parser_parms_list_declarator): Initialize pending_sizes.
59 * c-decl.c (get_parm_info): Initialize pending_sizes.
60 (get_parm_info): Set pending_sizes.
61 (grokdeclarator): Call put_pending_sizes for parameters for
62 function definition only.
64 2006-09-07 Jason Merrill <jason@redhat.com>
67 * varasm.c (output_constant): Only strip actual no-op conversions.
70 * config/i386/i386.c (override_options): Use 128-bit
71 stack boundary if -msse.
73 2006-09-07 Eric Christopher <echristo@apple.com>
75 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
77 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
80 2006-09-07 Geoffrey Keating <geoffk@apple.com>
82 * dwarf2out.c: Remove strange characters from comment above
83 dwarf2out_frame_debug_expr.
85 2006-09-07 Eric Christopher <echristo@apple.com>
87 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
88 * config/darwin.h: ... to here.
90 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
92 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
94 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
95 (TARGET_PARTIAL_FLAG_REG_STALL): New.
97 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
98 TARGET_PARTIAL_FLAG_REG_STALL.
99 (*ashldi3_cconly_rex64): Likewise.
100 (*ashlsi3_cmp): Likewise.
101 (*ashlsi3_cconly): Likewise.
102 (*ashlsi3_cmp_zext): Likewise.
103 (*ashlhi3_cmp): Likewise.
104 (*ashlhi3_cconly): Likewise.
105 (*ashlqi3_cmp): Likewise.
106 (*ashlqi3_cconly): Likewise.
107 (*ashrdi3_cmp_rex64): Likewise.
108 (*ashrdi3_cconly_rex64): Likewise.
109 (*ashrsi3_cmp): Likewise.
110 (*ashrsi3_cconly): Likewise.
111 (*ashrsi3_cmp_zext): Likewise.
112 (*ashrhi3_cmp): Likewise.
113 (*ashrhi3_cconly): Likewise.
114 (*ashrqi3_cmp): Likewise.
115 (*ashrqi3_cconly): Likewise.
116 (*lshrdi3_cmp_rex64): Likewise.
117 (*lshrdi3_cconly_rex64): Likewise.
118 (*lshrsi3_cmp): Likewise.
119 (*lshrsi3_cconly): Likewise.
120 (*lshrsi3_cmp_zext): Likewise.
121 (*lshrhi3_cmp): Likewise.
122 (*lshrhi3_cconly): Likewise.
123 (*lshrqi2_cmp): Likewise.
124 (*lshrqi2_cconly): Likewise.
126 2006-09-07 Uros Bizjak <uros@kss-loka.si>
129 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
130 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
131 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
132 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
133 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
134 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
135 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
136 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
137 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
138 implement only CC setting effects of shift instructions.
140 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
142 * doc/contrib.texi: Add myself.
144 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
147 * stor-layout.c (relayout_decl): Don't zero the alignment if it
150 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
153 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
154 (divsi_inv_m1): Use them.
155 (UNSPEC_DIV_INV_TABLE): New constant.
157 2006-09-06 James E Wilson <wilson@specifix.com>
160 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
161 then call count_or_remove_death_notes.
163 2006-09-06 Jason Merrill <jason@redhat.com>
166 * tree-inline.c (copy_result_decl_to_var): New fn.
167 (declare_return_variable): Use it. Call declare_inline_vars here.
168 (expand_call_inline): Not here.
170 2006-09-06 Diego Novillo <dnovillo@redhat.com>
172 * doc/contrib.texi: Update my entry.
174 2006-09-06 Nick Clifton <nickc@redhat.com>
176 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
178 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
181 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
182 (canonicalize_induction_variables): Likewise.
183 (tree_unroll_loops_completely): Likewise.
184 (tree_ssa_prefetch_arrays): Likewise.
185 (remove_empty_loops): Likewise.
186 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
187 TODO_cleanup_cfg instead of directly calling
188 cleanup_tree_cfg_loop.
189 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
191 (tree_unroll_loops_completely): Likewise.
192 (remove_empty_loops): Likewise.
193 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
194 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
195 of tree_ssa_unswitch_loops.
196 (tree_ssa_loop_ivcanon): Use the return value of
197 canonicalize_induction_variables.
198 (tree_ssa_empty_loop): Use the return value of
200 (tree_complete_unroll): Use the return value of
201 tree_unroll_loops_completely.
202 (tree_ssa_loop_prefetch): Use the return value of
203 tree_ssa_prefetch_arrays.
204 * passes.c (execute_todo): Before Cleanup CFG, set
205 updating_used_alone and after cleanup CFG, call
206 recalculate_used_alone.
208 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
211 * tree-vect-transform.c (vectorizable_condition): Move the check
212 for the type after the check for simple condition.
214 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
215 Kaz Kojima <kkojima@gcc.gnu.org>
218 * mode-switching.c (optimize_mode_switching): Make the destination
219 block of an abnormal edge have no anticipatable mode. Don't
220 insert mode switching code at the end of the source block of
223 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
225 PR rtl-optimization/26847
226 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
227 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
228 (simplify_plus_minus): Count n_constants while filling ops. Replace
229 qsort with insertion sort. Before going through the array to simplify
230 pairs, sort it. Delay early exit until after the first sort, exiting
231 only if no swaps occurred. Simplify pairs in reversed order, without
232 special-casing the first iteration. Pack ops after simplifying pairs.
234 2006-09-05 Anatoly Sokolov <aesok@post.ru>
236 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
237 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
238 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
239 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
241 2006-09-05 Richard Guenther <rguenther@suse.de>
243 PR tree-optimization/28900
244 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
245 compound conditional before creating COND_EXPR condition.
247 2006-09-05 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/28905
250 * tree-vrp.c (fix_equivalence_set): Manually implement
251 !value_ranges_intersect_p to also handle symbolic ranges.
253 2006-09-05 Richard Guenther <rguenther@suse.de>
256 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
259 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
261 PR rtl-optimization/27616
262 * cse.c (table_size): New static variable.
263 (new_basic_block): Initialize it to 0.
264 (remove_from_table): Decrement it.
265 (insert): Increment it.
266 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
267 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
268 fold_rtx_mem_1 if under the cap.
269 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
270 the lookup of the equivalent expression and test for equality of the
271 first operand of the equivalent expression before in turn looking up
272 an equivalent constant for the second operand.
274 2006-09-02 Geoffrey Keating <geoffk@apple.com>
277 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
278 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
279 pointer, instead of assuming it is possible to derive the
280 correct args size from a call insn.
282 2006-09-02 Jakub Jelinek <jakub@redhat.com>
285 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
286 (fold_builtin_mempcpy): Rename to...
287 (fold_builtin_memory_op): ... this. Optimize one element copy
289 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
291 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
292 (expand_builtin_memcpy, expand_builtin_mempcpy,
293 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
294 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
295 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
296 BUILT_IN_MEM{CPY,PCPY,MOVE}.
298 2006-09-01 DJ Delorie <dj@redhat.com>
300 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
302 ("stzx_24_<mode>"): Likewise.
303 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
304 ("cmp<mode>_op"): New.
305 (cmp<mode>): Change to expander; just save operands.
307 (b<code>): Change to expander, emit compare here.
308 (s<code>_op): Change to use split and expander.
309 (s<code>_24_op): Likewise.
310 (s<code>_<mode>): New.
311 (s<code>_<mode>_24): New.
312 (movqicc_<code>_<mode): New.
313 (movhicc_<code>_<mode>): New.
316 * config/m32c/m32c.c (compare_op0, compare_op1): New.
317 (m32c_pend_compare): New.
318 (m32c_unpend_compare): New.
319 (m32c_expand_scc): New.
320 (m32c_expand_movcc): Emit the compare also.
321 * config/m32c/predicates.md (mra_nopp_operand): New.
323 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
324 Richard Guenther <rguenther@suse.de>
325 Adam Nemet <anemet@caviumnetworks.com>
328 * builtins.c (get_pointer_alignment): Handle more forms
329 of base addresses that can be used to derive more precise
330 information about alignment.
332 2006-09-01 Jason Merrill <jason@redhat.com>
335 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
338 * gimplify.c (voidify_wrapper_expr): Handle null type.
340 2006-09-01 Josh Conner <jconner@apple.com>
343 * tree-nrv.c (dest_safe_for_nrv_p): New function.
344 (execute_return_slot_opt): Use it.
346 2006-08-31 Josh Conner <jconner@apple.com>
349 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
350 returning aggregates.
352 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
354 PR tree-optimization/28839
355 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
356 blocks in that phi arguments appear.
358 2006-08-31 Roger Sayle <roger@eyesopen.com>
361 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
362 NULL, otherwise use an advance_loc4 to adjust relative to the
364 (output_cfi) <DW_CFA_set_loc>: Update the current label.
365 (dwarf2out_switch_text_section): Reset the current label to avoid
366 using advance_loc4 over section boundaries.
368 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
371 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
372 r12 + SYMBOLIC_CONST.
374 2006-08-30 Richard Guenther <rguenther@suse.de>
376 * Makefile.in (see.o): Add $(EXPR_H) dependency.
378 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
380 PR rtl-optimization/27735
381 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
382 Add new argument to keep track of whether an irreducible region
383 was affected. All callers changed.
384 (fix_irreducible_loops): Removed.
385 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
386 flags were invalidated.
388 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
390 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
391 instead of SF operands.
392 (*fop_df_comm_sse): Likewise.
393 (*fop_df_comm_i387): Likewise.
394 (*fop_df_1_mixed): Likewise.
395 (*fop_df_1_sse): Likewise.
397 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
398 J"orn Rennecke <joern.rennecke@st.com>
400 PR tree-optimization/17506
401 * tree-ssa.c (warn_uninit): If warning about a location outside of
402 the current function, note where the variable was declared.
404 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
406 PR tree-optimization/28411
407 * double-int.c (double_int_div): Use double_int_divmod.
408 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
409 double_int_mod, double_int_smod, double_int_umod): New functions.
410 * double-int.h (double_int_divmod, double_int_sdivmod,
411 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
413 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
415 (get_computation_aff, get_computation_cost_at): Handle double_int
416 return type of constant_multiple_of.
418 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
421 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
422 an implicit conversion.
424 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
426 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
428 2006-08-27 Roger Sayle <roger@eyesopen.com>
430 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
433 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
435 * config/i386/crtfastmath.c: Fix a comment typo.
437 2006-08-26 Roger Sayle <roger@eyesopen.com>
439 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
440 temporary visit flags on CASE_LABEL_EXPRs.
441 * c-common.c (match_case_to_enum): Add function comment. Avoid
442 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
443 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
444 CASE_HIGH_SEEN for enumerated types. If the switch expression is
445 a constant, only warn if that constant value isn't handled.
447 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
450 * input.h (restore_input_file_stack): Declare.
451 (INPUT_FILE_STACK_BITS): Define.
452 * toplev.c (fs_p, input_file_stack_history,
453 input_file_stack_restored, restore_input_file_stack): New.
454 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
455 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
456 (pop_srcloc): Don't free old state of stack.
458 2006-08-26 David Edelsohn <edelsohn@gnu.org>
461 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
462 (PowerPC Type Attributes): New.
464 2006-08-26 Bob Wilson <bob.wilson@acm.org>
466 * config/xtensa/xtensa.c (function_arg_boundary): New.
467 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
469 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
470 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
472 2006-08-26 Jakub Jelinek <jakub@redhat.com>
475 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
478 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
480 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
481 (verify_local_live_at_start): Likewise.
483 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
486 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
487 omp_add_variable): Treat sizes as variable whenever not
490 2006-08-26 Richard Guenther <rguenther@suse.de>
493 * fold-const.c (fold_binary): Fold temporary to correct
494 type before constructing new comparison.
496 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
499 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
500 variable again if DECL_SEEN_IN_BIND_EXPR_P.
502 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
505 * c-decl.c (start_function): Don't try to process prototype
506 information from old declaration that isn't a function.
508 2006-08-25 Jan Hubicka <jh@suse.cz>
511 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
513 2006-08-25 Alan Modra <amodra@bigpond.net.au>
516 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
519 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
521 PR tree-optimization/16876
522 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
523 exit if PARM doesn't match VALUE.
525 2006-08-25 Bob Wilson <bob.wilson@acm.org>
527 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
528 literal_prefix directive.
529 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
530 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
531 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
533 2006-08-25 David Edelsohn <edelsohn@gnu.org>
536 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
537 predicate to general_operand. Add 0->y and I->r alternatives.
539 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
541 * doc/tm.texi: Fix a typo.
542 * predict.c: Fix comment typos.
544 2006-08-25 Nick Clifton <nickc@redhat.com>
546 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
547 assertions of "cpu" and "machine".
549 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
552 * tree-ssa-operands.c (access_can_touch_variable): Don't say
553 the access through a base which has an alias set of 0 cannot
556 2006-08-24 Bill Wendling <wendling@apple.com>
558 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
560 2006-08-24 Jan Hubicka <jh@suse.cz>
562 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
564 2006-08-24 Jan Hubicka <jh@suse.cz>
567 * cgraph.c: Fix comments.
568 (cgraph_varpool_mark_needed_node): Mark only variables not already
570 * cgraphunit.c: Update comments; include gt-cgraphunit.h
571 (cgraph_varpool_assembled_nodes_queue): New static variable.
572 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
573 (cgraph_varpool_output_debug_info): New function.
574 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
575 * Makefile.in: Add gt-cgraphunit.h
577 2006-08-24 Jan Hubicka <jh@suse.cz>
579 * predict.c (probability_reliable_p): New predicate.
580 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
581 (predict_loops): Do not predict loop exit with less than 2%
583 * basic-block.h (edge_probability_reliable_p,
584 br_prob_note_reliable_p): Declare.
585 * ia64.h (ia64_print_operand): Do not disable on-chip branch
586 prediction when static predictor is not reliable.
587 * rs6000.c (output_cbranch): Likewise.
589 2006-08-23 Stuart Hastings <stuart@apple.com>
592 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
593 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
595 2006-08-21 Geoffrey Keating <geoffk@apple.com>
598 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
599 complex values, nor for generic vector values.
601 2006-08-22 Richard Guenther <rguenther@suse.de>
604 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
605 parameter. Convert arguments to arithmetic expression to the
607 (analyze_scalar_evolution_1): Adjust caller.
609 2006-08-22 Jan Hubicka <jh@suse.cz>
611 Patch by Paolo Bonzini
612 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
615 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
617 PR tree-optimization/28003
618 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
619 before grouping aliases.
621 2006-08-22 Roger Sayle <roger@eyesopen.com>
623 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
624 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
626 2006-08-21 Jason Merrill <jason@redhat.com>
629 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
630 wrapper. Loop to handle nested wrappers.
631 (gimplify_bind_expr): Remove temp parameter.
632 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
633 and STATEMENT_LIST on the rhs.
634 (gimplify_statement_list): Voidify the STATEMENT_LIST.
635 (gimplify_expr): Pass pre_p to gimplify_statement_list.
636 (gimplify_target_expr): Remove special BIND_EXPR handling.
638 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
640 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
643 2006-08-21 Olivier Hainque <hainque@adacore.com>
645 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
646 Arrange for the temporary captures of components overlapping the lhs
647 to happen before the lhs is possibly cleared.
649 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
651 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
652 necessary places to pass the correct "number of registers" values
655 2006-08-20 Jan Hubicka <jh@suse.cz>
657 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
658 (create_name_tags): Instead of quadratic checking use hashtable.
659 * bitmap.h: Include hashtab.h.
660 (bitmap_hash): Declare.
661 * bitmap.c (bitmap_hash): New function.
663 2006-08-20 Jan Hubicka <jh@suse.cz>
665 PR rtl-optimization/28071
666 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
668 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
669 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
670 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
671 cgraph_decide_inlining_incrementally): Update use of
672 cgraph_check_inline_limits.
673 * cgraph.c (edge_hash, edge_eq): New function.
674 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
675 cgraph_edge_remove_caller, cgraph_node_remove_callees,
676 cgraph_remove_node): Maintain call site hash.
677 * cgraph.h (struct cgraph_node): Add call_site_hash.
678 (cgraph_set_call_stmt): New function.
680 2006-08-20 Jan Hubicka <jh@suse.cz>
682 PR rtl-optimization/28071
683 * reload1.c (reg_has_output_reload): Turn into regset.
684 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
685 choose_reload_regs, emit_reload_insns): Update to new
686 reg_has_output_reload.
688 2006-08-20 Jan Hubicka <jh@suse.cz>
691 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
693 * cgraphunit.c (cgraph_analyze_function): Don't do so.
695 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
698 * tree.c (handle_dll_attribute): Return early if not a
699 var or function decl.
701 2006-08-18 Joseph Myers <joseph@codesourcery.com>
704 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
705 alignment of SPE vector types.
707 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
709 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
711 2006-08-17 Jakub Jelinek <jakub@redhat.com>
714 * cgraph.h (struct cgraph_node): Remove externally_visible
716 * cgraphunit.c (process_function_and_variable_attributes): Set
717 local.externally_visible rather than externally_visible.
720 * c-common.c (handle_externally_visible_attribute): First look
721 at TREE_CODE and only if it is function or var decl, check for
722 non-public objects. Don't warn for DECL_EXTERNAL.
723 * cgraphunit.c (process_function_and_variable_attributes): Warn
724 if externally_visible attribute is used on non-public object.
726 2006-08-17 Jan Hubicka <jh@suse.cz>
728 PR tree-optimization/27865
729 * reload1.c (forget_marked_reloads): New function.
730 (forget_old_reloads_1): When data are passed, just mark the registers
732 (reload_as_needed): Use the new mechanizm.
734 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
737 * reload.h (reg_equiv_alt_mem_list): New declaration.
738 * reload1.c (reg_equiv_alt_mem_list): New definition.
739 (reload): Initialize it and release it.
740 (delete_output_reload): Use it.
741 * reload.c (push_reg_equiv_alt_mem): New function.
742 (find_reloads_toplev): Call it.
743 (find_reloads_address, find_reloads_address_1): Likewise.
744 (find_reloads_subreg_address): Likewise.
746 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
748 PR rtl-optimization/28489
749 * sched-ebb.c (begin_schedule_ready): Create basic block
751 (advance_target_bb): Skip empty blocks.
752 * haifa-sched.c (bb_note): Make global.
753 * sched-int.h (bb_note): Add prototype.
755 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
757 PR tree-optimization/27865
758 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
760 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
761 fold_used_pointer, pointer_used_p): New functions.
762 (analyze_scalar_evolution_1): Use fold_used_pointer.
763 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
764 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
767 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
770 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
771 or the INTEGER_CST. Fail on a CALL_EXPR.
772 (fold_offsetof): Pass new argument to fold_offsetof_1.
773 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
774 operand into an INDIRECT_REF.
775 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
777 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
779 PR gcov/profile/26570
780 * value-prof.c (static_values): Removed.
781 (tree_find_values_to_profile): Do not set static_values.
782 (find_values_to_profile): Do not free static_values.
783 * profile.c (instrument_values): Do not free the values.
784 (branch_prob): Free the values.
786 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
788 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
790 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
793 * c-typeck.c (build_component_ref): Combine qualifiers of
794 structure or union and field.
796 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
798 PR rtl-optimization/28071
799 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
800 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
801 * tree-into-ssa.c (struct dom_dfsnum): New.
802 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
804 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
805 compute_global_livein.
806 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
807 in phi nodes in the correct blocks.
809 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
811 PR tree-optimization/28364
812 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
814 (fold_affine_expr): New function.
815 (may_eliminate_iv): Use fold_affine_expr.
817 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
820 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
823 2006-08-16 Mike Stump <mrs@apple.com>
825 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
826 * doc/cppopts.texi (-MD): Likewise.
828 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
831 * c-common.c (handle_weak_attribute): Ignore and warn if
832 not a FUNCTION_ or VAR_DECL.
834 2006-07-15 Mike Stump <mrs@apple.com>
837 * c-parser.c (c_parser_typeof_specifier): Don't use
838 c_finish_expr_stmt, open code desired semantics instead.
840 2006-08-15 Nick Clifton <nickc@redhat.com>
842 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
843 fragment to tmake_file only if threads are enabled.
844 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
845 * config/i386/t-gthr-win32: New file. ... here.
847 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
850 * c-parser.c (c_parser_compound_statement_nostart): Reset
851 parser->error after each statement.
853 2006-08-15 Jakub Jelinek <jakub@redhat.com>
856 * omp-low.c (lower_omp_parallel): Convert t to
857 receiver_decl's type.
858 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
859 source before comparison.
862 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
863 to itype in assignment to oldival2.
865 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
869 * c-typeck.c (build_compound_expr): If the second expression
870 is an error mark, then just return an error mark instead of
871 creating a COMPOUND_EXPR.
873 2006-07-14 Mike Stump <mrs@apple.com>
875 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
877 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
879 * c-decl.c, var-tracking.c: Fix comment typos.
881 2006-08-14 Richard Sandiford <richard@codesourcery.com>
883 PR rtl-optimization/28634
884 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
885 for floating-point modes unless flag_unsafe_math_optimizations.
887 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
888 Andrew Pinski <pinskia@physics.uc.edu>
891 * tree.c (build_array_type): Unify array types with
892 unspecified index_type.
893 * c-decl.c (grokdeclarator): Make sure we do not modify a
894 unified incomplete array type.
895 * c-typeck.c (store_init_value): Create distinct type before
896 filling in the index type in an initializer from a compound
899 * c-decl.c (grokdeclarator): Remove code where we copy the
902 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
904 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
905 into account for TODO_dump_cgraph.
906 (TODO_update_ssa_no_phi): Likewise.
907 (TODO_update_ssa_full_phi): Likewise.
908 (TODO_update_ssa_only_virtuals): Likewise.
909 (TODO_remove_unused_locals): Likewise.
910 (TODO_set_props): Likewise.
911 (TODO_update_stmt_usage): Likewise.
913 2006-08-13 Dirk Mueller <dmueller@suse.de>
915 * c-common.c (strict_aliasing_warning): Fix formatting.
917 2006-08-13 Matthias Klose <doko@debian.org>
919 * doc/invoke.texi: Fix spelling errors.
921 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
923 PR rtl-optimization/23454
924 * reorg.c (relax_delay_slots): Update comment.
926 2006-08-11 Richard Guenther <rguenther@suse.de>
929 * simplify-rtx.c (simplify_const_relational_operation):
930 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
933 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
935 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
936 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
938 2006-08-10 Paul Brook <paul@codesourcery.com>
940 * final.c (final_scan_insn): Clear current_insn_predicate before
941 outputting inline asm.
943 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
945 PR tree-optimization/26197
946 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
947 get_ref_base_and_extent and overlap_subvar to add only relevant
948 subvars as may-aliases.
949 (add_may_alias_for_new_tag): New function, factored out of
951 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
952 with additional argument.
953 * tree-flow.h (new_type_alias): Takes additional argument.
955 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
957 * gcov.c (no_data_file): New flag.
958 (read_count_file): Set it if data file not present. Assume counts
960 (output_lines): Don't name the data file, if there wasn't one.
962 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
964 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
965 (rs6000_generate_compare): Tweak comments.
966 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
968 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
970 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
971 (var_debug_decl): New function.
972 (var_reg_set): Follow debug decl link. Add location even if
973 reg is already known to hold some other variable.
974 (var_mem_set): Follow debug decl link.
975 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
976 decl link. Delete other known locations of the variable part
978 (var_reg_delete, var_mem_delete): Delete other known locations
979 of the variable part if requested.
980 (same_variable_part_p): New function.
981 (add_stores): Select MO_COPY when appropriate.
982 (vt_initialize): Handle it.
983 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
984 known locations for MO_SET and MO_CLOBBER.
985 (find_variable_location_part): New function.
986 (set_variable_part, delete_variable_part): Use it.
987 (clobber_variable_part): New function.
988 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
991 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
993 PR tree-optimization/26969
994 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
995 with an empty list of PHIs.
997 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1001 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1004 2006-08-06 Andreas Schwab <schwab@suse.de>
1006 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1007 string. Whitespace and comment fixup.
1009 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1012 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1016 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1019 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1021 2006-08-04 Jan Hubicka <jh@suse.cz>
1025 * reload.c (push_reload): Patch out the mismatching instruction;
1027 (find_reload): Bail out if the instruction was patched out.
1029 2006-08-04 Jan Hubicka <jh@suse.cz>
1031 PR tree-optimization/24888
1032 * tree-inline.c (expand_call_inline): Do not re-record variables.
1033 (declare_inline_vars): Add variable to unexpanded_var_list.
1035 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1036 Roger Sayle <roger@eyesopen.com>
1038 PR rtl-optimization/26244
1039 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1040 inner_const are negative or greater than or equal to the bitsize of
1041 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1042 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1043 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1044 CONST0_RTX (mode) when the new shift count is greater than or equal to
1045 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1048 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1050 * tree-cfg.c: Fix a comment typo.
1052 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1055 * varasm.c (output_constant): Give the front end another chance to
1056 expand constants, after stripping NOPs.
1058 2006-08-03 Jan Hubicka <jh@suse.cz>
1060 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1063 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1065 PR tree-optimization/27770
1066 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1067 declaration removed (moved to tree-flow.h).
1068 (vect_can_force_dr_alignment_p): Likewise.
1069 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1070 (moved from tree-vectorizer.h).
1071 (vect_can_force_dr_alignment_p): Likewise.
1072 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1073 from outside the vectorizer - in particular from cgraph stage.
1074 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1075 the alignment of global arrays when -fsection-anchors is enabled.
1076 * cgraphunit.c (cgraph_increase_alignment): New function.
1077 (cgraph_optimize): Call cgraph_increase_alignment.
1079 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1082 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1083 not reload a SPE symbol_ref into a lo_sum address.
1085 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1088 * dwarf2out.c (prune_unused_types_prune): Move call to
1089 prune_unused_types_update_strings to cover the parent DIE also.
1091 2006-08-02 Jan Hubicka <jh@suse.cz>
1093 PR gcov/profile/28480
1094 * tree-cfg.c (change_bb_for_stmt): New function.
1095 (tree_merge_blocks, tree_split_blocks): Use it.
1097 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1103 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1104 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1105 (cgraph_optimize): Likewise.
1107 2006-08-01 Stuart Hastings <stuart@apple.com>
1109 * rtl.h (UINTVAL) New.
1110 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1111 * testsuite/gcc.dg/20060801-1.c: New.
1113 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1116 * c-typeck.c (build_external_type): Mark used enum types.
1117 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1119 (gen_subprogram_die): Whitespace fix.
1121 2006-08-01 Jan Hubicka <jh@suse.cz>
1123 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1124 bitmap when not needed.
1125 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1128 2006-08-01 Dirk Mueller <dmueller@suse.de>
1130 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1132 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1134 * Makefile.in: Revert part of previous patch:
1135 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1138 2006-07-30 Eric Christopher <echristo@apple.com>
1141 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1142 (PowerPC Variable Attributes): New section.
1144 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1146 PR target/28126 (partial fix)
1147 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1149 2006-07-28 Jan Hubicka <jh@suse.cz>
1151 PR rtl-optimization/28071
1152 * cfgrtl.c (rtl_delete_block): Free regsets.
1153 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1155 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1157 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1158 and variables used in dependencies.
1160 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1162 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1163 %fs for -mcmodel=kernel.
1164 (stack_tls_protect_test_di): Likewise.
1166 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1168 * Makefile.in: Use mkinstalldirs.
1170 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1173 * opts-common.c (prune_options): Skip joined switches.
1175 2006-07-27 Jan Hubicka <jh@suse.cz>
1177 PR rtl-optimization/28071
1178 * cselib.c (cselib_process_insn): Don't remove useless values too
1179 often for very large hashtables.
1181 2006-07-27 Jan Hubicka <jh@suse.cz>
1183 PR rtl-optimization/28071
1184 * global.c (greg_obstack): New obstack.
1185 (allocate_bb_info): Use it.
1186 (free_bb_info): Likewise.
1187 (modify_reg_pav): Likewise.
1189 2006-07-27 Roger Sayle <roger@eyesopen.com>
1191 * builtins.c (fold_fixed_mathfn): When long and long long are the
1192 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1193 functions to their lceil*, lfloor*, lround* and lrint* forms.
1195 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1198 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1200 (rev_branch_insn): Likewise.
1202 2006-07-27 Jan Hubicka <jh@suse.cz>
1204 PR rtl-optimization/28071
1205 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1206 (reg_set_in_bb, max_reg_computed): New static variables.
1207 (regmove_optimize): Free the new array.
1208 (fixup_match_1): Update call of reg_is_remote_constant_p.
1210 2006-07-26 Jan Hubicka <jh@suse.cz>
1212 PR tree-optimization/27882
1213 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1215 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1217 (cgraph_analyze_compilation_unit): Likewise.
1218 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1219 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1220 (cgraph_early_inlinine): Make order garbage collected.
1221 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1223 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1225 * dbxout.c (output_types_sort): Add a comment.
1226 (output_used_types): Free the VEC.
1228 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1230 * function.c (reorder_fix_fragments): Delete.
1231 (reorder_blocks): Don't call it.
1232 (reorder_blocks_1): Put all subblocks under the origin block.
1234 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1236 PR rtl-optimization/27907
1237 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1240 2006-07-25 Roger Sayle <roger@eyesopen.com>
1243 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1244 bar(x) check that bar's result type can represent all the values of T.
1246 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1248 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1250 2006-07-25 Nick Clifton <nickc@redhat.com>
1252 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1253 size_lookup[] array.
1254 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1255 (ggc_pch_count_object): Likewise.
1256 (ggc_pch_alloc_object): Likewise.
1257 (ggc_pch_write_object): Likewise.
1258 (init_ggc): Do not attempt to initialize entries in the
1259 size_lookup[] array for objects whose size is greater than than
1260 the length of the array.
1262 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1264 * dbxout.c (output_used_types_helper): Push queued types
1266 (output_types_sort): New.
1267 (output_used_types): Collect used types on a VEC and sort them
1270 2006-07-24 Richard Guenther <rguenther@suse.de>
1273 * cgraph.c (cgraph_remove_node): Do not check if dumps
1275 * cgraphunit.c (cgraph_optimize): Likewise.
1277 2006-07-24 Jan Hubicka <jh@suse.cz>
1279 PR rtl-optimization/28071
1280 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1281 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1282 splitting before first stmt.
1284 2006-07-24 Jan Hubicka <jh@suse.cz>
1286 PR rtl-optimization/28071
1287 * ipa-inline.c (update_caller_keys): Remove edges that
1288 are no longer inline candidates.
1290 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1293 * dbxout.c (output_used_types_helper, output_used_types): New.
1294 (dbxout_symbol): Call output_used_types.
1296 2006-07-23 Jan Hubicka <jh@suse.cz>
1300 * cgraph.c (cgraph_varpool_nodes): Export.
1301 (decide_is_variable_needed): Ignored "used" attribute in
1302 unit-at-a-time mode.
1303 * cgraph.h (cgraph_varpool_nodes): Declare.
1304 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1305 unit-at-a-time mode.
1307 2006-07-23 Roger Sayle <roger@eyesopen.com>
1310 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1311 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1312 the __gthrw form of thr_keycreate.
1313 (__gthread_key_delete): Silence the unused argument warning.
1315 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1318 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1319 Cache the last found '\0' marker to avoid quadratic behavior.
1321 2006-07-23 Jan Hubicka <jh@suse.cz>
1323 * i386.md (subsi_3_zext): Fix output template.
1325 2006-07-21 Mike Stump <mrs@apple.com>
1327 * doc/invoke.texi (C++ Dialect Options): Note that
1328 -fvisibility-inlines-hidden doesn't affect explicitly
1329 instantiationed inline methods.
1331 2006-07-20 Roger Sayle <roger@eyesopen.com>
1333 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1334 if the target assembler is GNU binutils' gas.
1335 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1336 whether to pass GNU gas or native as command line options.
1338 2006-07-20 Jason Merrill <jason@redhat.com>
1340 * tree.c (remove_attribute): New fn.
1341 * tree.h: Declare it.
1343 2006-07-20 Paul Brook <paul@codesourcery.com>
1346 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1347 they are invalidated by this instruction.
1349 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1352 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1354 2006-07-20 Eric Christopher <echristo@apple.com>
1357 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1359 2006-07-19 Eric Christopher <echristo@apple.com>
1361 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1362 Rewrite dependencies for libgcc_s.1.dylib.
1364 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1366 * except.c (duplicate_eh_regions_1): Clear next_peer.
1368 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1370 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1371 -mlongcall does not guarantee all calls will be long.
1372 * doc/extend.texi (long_call/short_call): Document that longcall
1373 does not guarantee a long call will be used.
1374 (longcall/shortcall): Likewise.
1376 2006-07-18 Roger Sayle <roger@eyesopen.com>
1379 * expmed.c (expand_shift): Additionally check that the shift_cost
1380 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1381 before implementing a LSHIFT_EXPR as a sequence of additions.
1382 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1383 middle-end that DImode shifts need to be synthesized by expand.
1385 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1388 * tree-ssa-operands.c (access_can_touch_variable): Update
1390 Return true if ALIAS is .GLOBAL_VAR.
1392 2006-07-18 David Daney <ddaney@avtrex.com>
1394 * gcc.c (display_help): Fix typo in help text.
1396 2006-07-18 Olivier Hainque <hainque@adacore.com>
1398 * tree.h (categorize_ctor_elements): Adjust prototype and add
1399 descriptive comment, both in accordance with the interface change
1401 * varasm.c (constructor_static_from_elts_p): New function.
1402 Whether a constructor node is a valid static constant initializer
1403 if all its elements are.
1404 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1405 * output.h: Declare it.
1406 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1407 is a valid constant initializer instead of computing the number of
1408 non-constant elements. Use constructor_static_from_elts_p for this
1409 purpose. Replace the head comment with an indication that this is a
1410 helper for categorize_ctor_elements.
1411 (categorize_ctor_elements): Same interface change as for the _1
1412 helper. Former head comment from this helper moved here, adjusted to
1413 account for the interface changes.
1414 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1415 (all_zeros_p): Likewise.
1416 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1417 static versions of the constructor from the categorize_ctor_elements
1418 return value instead of the formerly computed number of non-constant
1421 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1423 * configure: Regenerate.
1424 * Makefile.in (build_libsubdir): New configure substitution
1425 (build_libobjdir): New variable.
1426 (BUILD_LIBIBERTY): Use it.
1428 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1431 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1433 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1436 * c-common.c (handle_weakref_attribute): Ignore attribute in
1437 the same conditions the alias attribute is ignored.
1439 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1441 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1442 (dbxout_begin_prologue): Increment scope_labelno.
1444 2006-07-17 Richard Henderson <rth@redhat.com>
1447 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1450 2006-07-17 Roger Sayle <roger@eyesopen.com>
1451 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1453 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1454 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1455 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1456 functions such as sbrk, write, etc.. Add function prototypes.
1457 Convert function declarations from K&R to ISO C. Cast pointers
1458 to "long" and "unsigned long" instead of "int" and "unsigned int".
1459 Convert tokens following #endif into comments.
1461 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1463 * invoke.texi: Remove mention of f77; Reformat table for
1464 inline parameter options correctly; mention that -malign-double
1465 is default on x86-64 targets.
1467 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1469 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1470 (convert_affine_scev, chrec_convert_aggressive): Use
1471 avoid_arithmetics_in_type_p. Do not check for the subtypes
1474 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1477 * optabs.c (expand_doubleword_shift): Wrap the call to
1478 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1480 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1483 * optabs.c (expand_binop): Pass next_methods rather than methods
1484 to expand_doubleword_shift.
1486 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1489 * tree.h (dump_addr): Declare.
1490 * print-tree.c (dump_addr): New function.
1491 (print_node_brief, print_node): Use it.
1492 * print-rtl.c (print_rtx): Likewise.
1493 * common.opt (-fdump-noaddr): New option.
1494 * doc/invoke.texi (-fdump-noaddr): Document.
1495 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1496 (ve_info_hash): Likewise.
1498 2006-07-13 Andrew Haley <aph@redhat.com>
1500 PR tree-optimization/19505
1501 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1502 edge leaving this block, make sure that the destination of this
1503 block has only one predecessor.
1505 2006-07-17 Richard Guenther <rguenther@suse.de>
1507 PR tree-optimization/28238
1508 * tree-inline.c (copy_bb): Check if we produced valid
1509 gimple copying and substituting a stmt. If not, gimplify
1512 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1514 * optabs.c (maybe_encapsulate_block): New function extracted from...
1515 (emit_libcall_block): ...here. Invoke it on the block of insns to
1516 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1517 (emit_no_conflict_block): Likewise.
1519 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1521 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1523 2006-07-15 Roger Sayle <roger@eyesopen.com>
1525 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1526 a new NOP_EXPR case of the switch statement.
1528 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1531 * stor-layout.c (place_field): Take the bit field with
1532 an excessive size into account in the ms-bitfiled case.
1535 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1536 the previous bit field.
1538 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1541 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1543 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1545 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1546 signal frames correctly even when the signal was installed with
1549 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1551 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1552 (dbxout_function_end): Use local label LFBB. Remove hook
1554 (dbxout_source_line): Use local label LFBB.
1555 (dbxout_block): Likewise.
1556 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1557 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1558 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1559 and DBX_OUTPUT_NFUN.
1561 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1563 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1565 2006-07-13 Jan Hubicka <jh@suse.cz>
1567 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1569 * output.h (align_variable): Declare.
1570 * varasm.c (align_variable): Export.
1571 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1572 when basic block changed.
1574 2006-07-13 Nick Clifton <nickc@redhat.com>
1576 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1577 walking the LOG_LINKS chain.
1579 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1581 * doc/invoke.texi (C++ Dialect Options): Explain difference
1582 between -fvisibility-inlines-hidden and setting hidden
1583 visibility explicitly.
1585 2006-07-12 Eric Christopher <echristo@apple.com>
1587 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1588 (stmp-lipo): Depend on libgcc.a.
1590 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1592 * tree.c: Fix a comment typo.
1594 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1596 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1598 (umulhisi3_r): Likewise.
1600 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1603 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1604 x < 19, vs wchar_t support.
1606 2006-07-12 Nick Clifton <nickc@redhat.com>
1608 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1609 instead of -isa=sh4.
1611 2006-07-12 Mike Stump <mrs@apple.com>
1613 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1615 2006-07-10 Eric Christopher <echristo@apple.com>
1617 * config/t-slibgcc-darwin: Rewrite.
1619 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1622 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1625 2006-07-08 Matthias Klose <doko@debian.org>
1627 * doc/sourcebuild.texi: Fix typo.
1629 2006-07-07 Mike Stump <mrs@apple.com>
1631 * toplev.c (process_options): Don't give -ffunction-sections may
1632 affect debugging warning for Mach-O.
1634 2006-07-07 James E Wilson <wilson@specifix.com>
1636 * config/mips/mips.md (cpu): Add sb1a.
1637 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1638 addition to sb1. Adjust comments to clarify SB-1A differences from
1640 (ir_sb1a_load): New. Modify bypasses to use it.
1641 (ir_sb1a_simple_alu): Likewise.
1642 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1643 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1644 (mips_issue_rate): Add PROCESSOR_SB1A.
1645 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1646 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1647 (TARGET_SB1): Add PROCESSOR_SB1A check.
1648 (TUNE_SB1): Likewise.
1650 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1651 * config/mips/mips.c (mips_store_data_bypass_p): New.
1652 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1653 store_data_bypass_p.
1655 2006-07-08 Paul Brook <paul@codesourcery.com>
1658 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1660 2006-07-07 Richard Guenther <rguenther@suse.de>
1663 * tree.h (build_one_cst): Declare.
1664 * tree.c (build_one_cst): New function.
1665 * tree-ssa-math-opts.c (get_constant_one): Remove.
1666 (insert_reciprocals): Use build_one_cst.
1667 * fold-const.c (fold_plusminus_mult): Likewise.
1669 2006-07-07 Roger Sayle <roger@eyesopen.com>
1671 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1672 * cfgloopanal.c (dump_graph): Likewise.
1673 * dojump.c (discard_pending_stack_adjust): Likewise.
1674 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1676 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1677 * function.c (finalize_block_changes): Likewise.
1678 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1679 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1680 * rtl.c (dump_rtx_statistics): Likewise.
1681 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1683 * varray.c (dump_varray_statistics): Likewise.
1684 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1685 decode_decimal64, encode_decimal128, decode_decimal128,
1686 decimal_real_to_decimal): Likewise.
1688 2006-07-07 Richard Guenther <rguenther@suse.de>
1690 PR tree-optimization/28187
1691 * tree-vrp.c (vrp_operand_equal_p): New function.
1692 (vrp_bitmap_equal_p): Likewise.
1693 (update_value_range): Use them to compare old and new
1696 2006-07-06 Roger Sayle <roger@eyesopen.com>
1698 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1699 a default case to switch statement to silence compiler warnings.
1701 2006-07-06 Roger Sayle <roger@eyesopen.com>
1704 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1705 the configured assembler supports the x87's ffreep mnemonic.
1706 * configure: Regenerate.
1707 * config.in: Regenerate.
1709 * config/i386/i386.c (output_387_ffreep): New function.
1710 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1711 (output_387_reg_move): Likewise.
1713 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1715 Port to hosts whose 'sort' and 'tail' implementations
1716 treat operands with leading '+' as file names, as POSIX
1717 has required since 2001. However, make sure the code still
1718 works on pre-POSIX hosts.
1719 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1720 which says you should use "tail -c +N" rather than "tail +Nc".
1721 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1723 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1725 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1728 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1731 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1732 PRE_{INC,DEC} of TFmode.
1734 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1735 Alan Modra <amodra@bigpond.net.au>
1738 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1741 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1744 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1745 Remove duplicate gtu.
1747 2006-07-05 Jason Merrill <jason@redhat.com>
1751 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1752 * c-common.c (handle_packed_attribute): So don't copy it here.
1753 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1755 2006-07-05 Mike Stump <mrs@apple.com>
1757 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1759 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1762 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1764 2006-07-05 Richard Guenther <rguenther@suse.de>
1767 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1768 TARGET_SSE2 targets if using SSE math.
1769 (*absdf2_1): Likewise.
1771 2006-07-05 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/28162
1774 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1775 make sure to convert the operands to the correct type.
1777 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1779 PR tree-optimization/28218
1781 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1782 to calculate and free the dominator information.
1784 2006-07-04 Peter O'Gorman <peter@pogma.com>
1786 * mklibgcc.in: chmod 644 before ranlib during install.
1788 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1789 J"orn Rennecke <joern.rennecke@st.com>
1791 * configure.ac (.eh_frame data check): Use diff -b.
1793 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1796 * Makefile.in (BUILD_RTL): Add build/vec.o.
1797 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1798 (build/genextract): Delete.
1799 (build/genautomata): Likewise.
1801 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1804 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1805 128-bit IBM long doubles for ABI_V4.
1807 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1809 * tree.c (range_in_array_bounds_p): New predicate.
1810 * tree.h (range_in_array_bounds_p): Declare it.
1811 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1812 return a less conservative answer.
1813 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1814 and flag 'is_group'.
1815 (IS_ELEMENT_FOR_GROUP): New macro.
1816 (FOR_EACH_ACTUAL_CHILD): Likewise.
1817 (next_child_for_group): New helper function.
1818 (can_completely_scalarize_p): Take into account groups.
1819 (sra_hash_tree): Handle RANGE_EXPR.
1820 (sra_elt_eq): Likewise.
1821 (lookup_element): Be prepared for handling groups.
1822 (is_valid_const_index): Delete.
1823 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1824 instead of is_valid_const_index.
1825 <ARRAY_RANGE_REF>: New case.
1826 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1827 is_valid_const_index.
1828 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1829 (scan_dump): Dump info for groups too.
1830 (decide_instantiation_1): Likewise.
1831 (decide_block_copy): Assert that the element is not a group.
1832 Propagate decision to groups.
1833 (generate_one_element_ref): Handle RANGE_EXPR.
1834 (mark_no_warning): Iterate over actual childs.
1835 (generate_copy_inout): Likewise.
1836 (generate_element_copy): Likewise.
1837 (generate_element_zero): Likewise.
1838 (generate_element_init_1): Likewise.
1839 (dump_sra_elt_name): Handle RANGE_EXPR.
1841 2006-07-03 Roger Sayle <roger@eyesopen.com>
1843 PR tree-optimization/26251
1844 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1845 (thread_block): When optimizing for size refuse to thread jumps
1846 that would require duplication of blocks other than redirection
1849 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1851 * configure.ac: Fix thinko in previous check-in.
1852 * configure: Regenerate.
1854 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1857 * configure.ac (for lang...): Simplify nesting of conditionals.
1858 Test subdir_requires for non-enabled languages. Move processing
1859 of lang_opt_files and lang_tree_fiels below that test.
1860 * configure: Regenerate.
1861 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1863 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1865 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1867 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1869 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1872 2006-06-29 Jason Merrill <jason@redhat.com>
1879 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1880 * c-common.c (c_determine_visibility): Handle it here.
1881 * c-decl.c (finish_decl): Call c_determine_visibility for
1883 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1885 * varasm.c (default_assemble_visibility): Likewise.
1886 * c-common.c (handle_visibility_attribute): Complain about trying
1887 to give visibility to an already defined class, or trying to change
1888 declared visibility. Always attach the attribute.
1893 * attribs.c (decl_attributes): Ignore type-in-place attributes
1894 once the type has been defined.
1896 2006-06-29 Roger Sayle <roger@eyesopen.com>
1899 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1900 to indicate the cpplib has issued an error message for us.
1902 2006-06-29 Asher Langton <langton2@llnl.gov>
1905 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1906 insert a label at the end of an function under Mach-O.
1908 2006-06-29 Eric Christopher <echristo@apple.com>
1909 Evan Cheng <evan.cheng@apple.com>
1911 * predicates.md (vector_all_ones_operand): New.
1912 (nonimmediate_or_sse_const_operand): Ditto.
1913 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1914 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1915 (standard_sse_mode_p): Ditto.
1916 (standard_sse_constant_p): Add case for -1 vector.
1917 (ix86_expand_vector_move): Try to use.
1918 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1919 Call standard_sse_constant_opcode.
1920 (*movv4sf_internal): Ditto.
1921 (*movv2df_internal): Ditto.
1923 2006-06-29 Roger Sayle <roger@eyesopen.com>
1925 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1926 of XEXP to extract the operands of a MATCH_CODE rtx.
1928 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1930 * tree.c (tree_size): Do not waste tail padding in
1931 struct tree_string and make the size be the same as
1932 build_string will generate.
1934 2006-06-28 Jason Merrill <jason@redhat.com>
1937 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1938 may_aliases already in the tag's annotations to the bitmap.
1940 2006-06-28 Roger Sayle <roger@eyesopen.com>
1942 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1944 2006-06-28 Roger Sayle <roger@eyesopen.com>
1946 * genpreds.c (generate_switch_p): New function.
1947 (add_mode_tests): Push the new mode test down inside an AND expr
1948 if this allows the switch-suitable MATCH_CODE to be near the root.
1949 (write_match_code_switch): New function to write a MATCH_CODE as
1951 (write_predicate_stmts): New function to write a predicate RTX
1952 expression as a sequence of statements.
1953 (write_one_predicate_function): Use write_predicate_stmts.
1954 (write_tm_constrs_h): Likewise.
1956 2006-06-26 Fred Fish <fnf@specifix.com>
1958 * config/mips/t-sb1: New file.
1959 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1962 2006-06-26 DJ Delorie <dj@redhat.com>
1964 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1966 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1967 Jayant Sonar <jayants@kpitcummins.com>
1968 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1970 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1971 (subsi3, subsi3_1, subsi3_2): New.
1972 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1973 * config/m32c/mov.md (SI mov peephole): New.
1974 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1975 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1977 2006-06-26 Olivier Hainque <hainque@adacore.com>
1979 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1980 a CALL_EXPR target function declaration.
1982 2006-06-26 Richard Guenther <rguenther@suse.de>
1984 * tree.c (build_string): Do not waste tail padding in
1987 2006-06-26 Richard Guenther <rguenther@suse.de>
1989 * ggc-page.c (init_ggc): Add missing element to size_lookup
1993 2006-06-23 Richard Guenther <rguenther@suse.de>
1995 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1996 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1997 alignment requests instead. Add verification code.
1998 Add struct tree_function_decl and struct tree_binfo size to
1999 extra_order_size_table. Add missing element to size_lookup
2002 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2005 * fold-const.c (const_binop): Be prepared for self returning zero.
2006 Simplify code handling complex values.
2008 2006-06-24 Olivier Hainque <hainque@adacore.com>
2010 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2011 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2014 2006-06-24 Olivier Hainque <hainque@adacore.com>
2016 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2017 ARRAY_REF, so have the callback called for the low bound expression.
2019 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2021 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2022 * c-typeck.c (c_common_type): Disallow operations on decimal float
2023 types and other float types.
2024 * convert.c (convert_to_real): Don't ignore conversions involving
2025 decimal float types.
2027 2006-06-23 Olivier Hainque <hainque@adacore.com>
2029 * tree.c (max_int_size_in_bytes): New function, inspired from
2030 code in function.c:assign_temp.
2031 * tree.h (max_int_size_in_bytes): Declare.
2032 * function.c (assign_temp): Use it.
2033 * gimplify.c (create_tmp_var): Relax the assertions on the type
2034 properties, not mandating constant size any more.
2035 (force_constant_size): New static function.
2036 (gimple_add_tmp_var): Use it, forcing variable size to a
2037 constant upper bound if it is not constant on entry.
2039 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2042 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2043 for initialization and setting of one_only flag to ...
2044 (i386_pe_encode_section_info): ...here.
2045 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2046 Recheck that the symbol has not been defined.
2048 2006-06-23 Richard Guenther <rguenther@suse.de>
2050 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2051 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2052 alignment requests instead. Add verification code.
2053 Add struct tree_function_decl and struct tree_binfo size to
2054 extra_order_size_table. Add missing element to size_lookup
2057 2006-06-22 Roger Sayle <roger@eyesopen.com>
2058 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2061 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2062 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2064 2006-06-23 Ben Elliston <bje@au.ibm.com>
2066 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2067 negate dn -- manipulate it directly.
2069 2006-06-22 Roger Sayle <roger@eyesopen.com>
2070 Steven Bosscher <stevenb.gcc@gmail.com>
2073 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2074 generated by gen_move_insn to add REG_LABEL notes if necessary.
2076 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2078 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2079 (leaf_entry): Remove use of MIN_ESA.
2081 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2083 PR rtl-optimization/28121
2084 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2087 2006-06-21 DJ Delorie <dj@redhat.com>
2089 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2091 (mulhisi3_r): Likewise.
2093 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2096 * coverage.c (coverage_counter_alloc): Leave the index type
2098 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2101 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2103 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2104 section from the "Options for Code Generation Conventions".
2106 2006-06-21 Richard Henderson <rth@redhat.com>
2110 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2112 (global_symbolic_operand): Allow weak symbols, even if local_p.
2114 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2116 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2117 (find_interesting_uses_address): Punt if above function returns true.
2119 2006-06-21 Richard Guenther <rguenther@suse.de>
2121 * configure: Regenerated.
2123 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2125 * config/mips/mips.c (function_arg): Where one part of a
2126 complex argument is in registers and the other part in the stack,
2127 return a REG not a PARALLEL.
2129 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2131 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2132 when cross-compiling. Do not substitute libstdcxx_incdir.
2133 * configure: Regenerated.
2135 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2137 * varasm.c (mergeable_string_section): Check for embedded NULs and
2138 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2139 rather than TREE_STRING_LENGTH bytes.
2141 2006-06-21 Richard Guenther <rguenther@suse.de>
2143 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2144 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2147 2006-06-21 Richrad Guenther <rguenther@suse.de>
2149 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2150 Limit iteration over the dominators.
2152 2006-06-20 Roger Sayle <roger@eyesopen.com>
2154 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2155 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2157 2006-06-20 Richard Guenther <rguenther@suse.de>
2158 Michael Matz <matz@suse.de>
2160 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2162 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2163 * et-forest.h (et_free_pools): Prototype new function.
2164 * et-forest.c (et_free_tree_force): Free parent occurrence.
2165 (et_free_pools): New function.
2166 * dominance.c (free_dominance_info): Free et-forest alloc
2169 2006-06-20 Roger Sayle <roger@eyesopen.com>
2171 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2172 integer modes, attempt to directly construct an integer constant.
2174 * fold-const.c (native_encode_vector): Determine the size of each
2175 element from the vector type instead of the first vector element.
2177 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2178 if all of its elements/components are constant.
2179 (build_constructor_from_list): Likewise.
2181 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2183 PR tree-optimization/27331
2184 * tree-data-ref.c (free_data_ref): New function.
2185 (create_data_ref): Fail if the data reference has unknown access
2187 (free_data_refs): Use free_data_ref.
2189 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2192 * tree-inline.c (setup_one_parameter): Strip useless
2193 type conversion before adding it to the IR.
2194 (declare_return_variable): Likewise.
2196 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2199 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2201 2006-06-19 Mike Stump <mrs@apple.com>
2203 * tree.c (variably_modified_type_p): VM arguments don't make the
2206 2006-06-19 Richard Guenther <rguenther@suse.de>
2208 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2209 type conversions after folding.
2211 2006-06-19 Richard Guenther <rguenther@suse.de>
2213 * ggc-page.c (extra_order_size_tab): Add entries with
2214 size of struct function and basic_block.
2215 (size_lookup): Extend to cover sizes up to 511.
2216 (ggc_alloc_stat): Adjust user.
2217 (ggc_pch_count_object): Likewise.
2218 (ggc_pch_alloc_object): Likewise.
2219 (ggc_pch_write_object): Likewise.
2221 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2223 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2224 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2227 2006-06-19 Denis Chertykov <denisc@overta.ru>
2229 * config/avr/libgcc.S : Correct my wrong previous commit.
2231 2006-06-19 Roger Sayle <roger@eyesopen.com>
2234 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2235 have stripped a SUBREG from the shift count, so we may need to
2236 convert_to_mode back to the type's mode before calling make_tree.
2237 Use new_amount instead of amount to avoid expanding a tree twice.
2239 2006-06-19 Richard Guenther <rguenther@suse.de>
2242 * fold-const.c (operand_equal_p): Check if the argument types
2243 have the same precision before stripping NOPs.
2245 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2247 Fix PR tree-optimization/27341
2248 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2250 * tree-complex.c (pass_lower_complex): Update SMT usage.
2252 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2254 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2255 Add a new alternative to the constraint strings. Add move of
2256 operand 1 to 3 to the splitter definition.
2257 ("doloop_si_long"): Second contraint alternative removed.
2259 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2261 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2262 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2264 (AVR_HAVE_MOVW) Define.
2265 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2266 (ASM_SPEC): Add avr25.
2267 (LINK_SPEC): Add avr25.
2268 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2269 (base_arch_s): Add new member 'have_movw_lpmx'.
2270 (avr_arch_types): Init 'have_movw_lpmx'.
2271 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2272 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2273 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2274 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2275 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2277 (avr_file_start): Do not output '.arh' derective.
2278 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2279 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2280 * config/avr/avr.md (mcu_enhanced): Delete.
2281 (mcu_have_movw): Define.
2282 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2283 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2284 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2285 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2286 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2287 attiny861 and at86rf401 devices.
2289 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2291 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2294 2006-06-17 Karl Berry <karl@gnu.org>
2296 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2297 doc/gccint.texi, doc/install.texi (@dircategory): Use
2298 "Software development" instead of "Programming", following
2299 the Free Software Directory.
2301 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2303 * config/i386/i386.c (legitimate_tls_address)
2304 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2305 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2306 (*tls_dynamic_gnu2_combine_64): Likewise.
2308 2006-06-16 Richard Guenther <rguenther@suse.de>
2311 * fold-const.c (negate_expr_p): Do not introduce undefined
2312 overflow in negating INTEGER_CSTs.
2313 (fold_negate_expr): Rename from negate_expr. Revert last
2314 change for folding BIT_NOT_EXPR. Change semantics to
2315 return NULL_TREE for non-simplified negations. Do not
2316 strip type conversions and unify type handling.
2317 (negate_expr): New function, wrap around fold_negate_expr
2318 but ensure building a tree always. Strip type conversions
2319 here, fold to result type.
2320 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2322 2006-06-16 Roger Sayle <roger@eyesopen.com>
2325 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2326 that (would) return their results in stack registers.
2328 2006-06-16 Michael Matz <matz@suse.de>
2329 Richard Guenther <rguenther@suse.de>
2331 * fold-const.c (fold_truthop): Only return new tree node if
2332 we canonicalized something.
2334 2006-06-16 Richard Guenther <rguenther@suse.de>
2336 * function.h (enum function_frequency): Move declaration
2337 out of struct function.
2338 (struct function): Move bool fields and the enum to the bitfield
2339 section. Reorder elements to avoid padding. Remove unused
2340 fields left over from the RTL inliner removal.
2341 * function.c (free_after_compilation): Do not zero removed fields.
2342 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2343 (ipa-type-escape.o): Likewise.
2345 2006-06-16 Richard Guenther <rguenther@suse.de>
2347 * cgraph.h (struct cgraph_local_info): Turn bool elements
2349 (struct cgraph_node): Likewise.
2350 (struct cgraph_varpool_node): Likewise.
2352 2006-06-15 Richard Guenther <rguenther@suse.de>
2354 * fold-const.c (fold_truth_not_expr): Rename from
2355 invert_truthvalue. Give it fold_* semantics to avoid
2357 (invert_truthvalue): New function. Wrapper around
2358 fold_truth_not_expr.
2359 (optimize_minmax_comparison): Avoid creating garbage.
2360 (fold_unary): Use fold_truth_not_expr for folding
2362 (fold_ternary): Replace uses of invert_truthvalue with
2363 fold_truth_not_expr where applicable.
2364 * tree.h (fold_truth_not_expr): Prototype.
2366 2006-06-16 Richard Guenther <rguenther@suse.de>
2368 PR tree-optimization/27781
2369 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2370 * ipa-pure-const.c (target.h): Include.
2371 (analyze_function): Do not analyze functions that do not
2374 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2377 * tree-dfa.c (referenced_vars_dup_list): Remove.
2378 (find_referenced_vars): Remove assert.
2379 (referenced_var_check_and_insert): Replace dup list with assert.
2380 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2381 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2383 2006-06-15 Richard Guenther <rguenther@suse.de>
2385 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2386 extra unused identifiers if not dumping.
2387 (create_variable_info_for): Likewise.
2389 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2391 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2392 (derive_constant_upper_bound): Derive more precise upper bound in
2393 common cases. Return type changed to double_int.
2394 (record_estimate): Reflect the changed return type of
2395 derive_constant_upper_bound.
2396 * double-int.c (double_int_zext, double_int_sext): Fix.
2398 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2400 * configure.ac (CFLAGS): Get them from the toplevel or from the
2401 configure invocation.
2402 * configure: Regenerate.
2403 * Makefile.in (CFLAGS): Substitute value provided by configure.
2405 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2408 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2409 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2410 rather than calling add_stmt on it.
2411 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2413 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2416 * reload1.c (reload): Remove registers returned by update_eliminables
2417 from used_spill_regs.
2419 2006-06-13 DJ Delorie <dj@redhat.com>
2421 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2423 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2425 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2426 html__strip_dir, html__mkdir_p. Enhance install-html target.
2427 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2428 * configure: Regenerate.
2430 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2432 * fold-const.c (fold_cond_expr_with_comparison): Check for
2433 Objective-C++ as language in deciding COND_EXPR transformation.
2435 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2438 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2439 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2440 * config/sh/lib1funcs.h (SL, SL1): Define.
2441 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2442 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2443 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2444 (OBJS_Os_4_200): New variable.
2445 ($(T)libgcc-Os-4-200.a): Use it.
2446 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2447 when dividing 1 and/or by 0.
2449 2006-06-13 Roger Sayle <roger@eyesopen.com>
2451 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2452 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2453 * configure: Regenerate.
2455 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2457 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2458 for real instruction.
2460 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2463 * haifa-sched.c (check_cfg): Handle special case.
2465 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2468 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2469 Add debug_info parameter. Chain the vars to the BLOCK instead
2470 of the BIND_EXPR if debug info are requested for them.
2471 (pop_gimplify_context): Adjust for above change.
2472 (gimple_add_tmp_var): Likewise.
2473 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2475 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2476 (convert_local_reference): Likewise.
2477 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2478 (finalize_nesting_tree_1): Request that debug info be emitted
2479 for debug_var_chain.
2481 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2483 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2484 for PR target/27863.
2486 2006-06-13 Richard Guenther <rguenther@suse.de>
2489 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2491 2006-06-13 Richard Guenther <rguenther@suse.de>
2493 PR tree-optimization/27830
2494 * tree-inline.c (copy_body_r): For copying the operand
2495 of an ADDR_EXPR make sure to fold &* afterwards.
2497 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2499 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2500 lvalues in the fb_none case with side-effects.
2502 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2504 * tree-flow.h: Remove the prototype for
2505 compute_phi_arg_on_exit.
2506 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2507 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2510 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2512 * builtins.c (expand_builtin_return_addr): Only use
2513 frame_pointer_rtx when count == 0 and we are expanding
2514 __builtin_return_address.
2516 2006-06-12 Fred Fish <fnf@specifix.com>
2518 * config/mips/mips.c (mips_file_start): Create special section
2519 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2521 2006-06-11 Eric Christopher <echristo@apple.com>
2524 * stor-layout.c (place_field): Remove check for
2525 remaining_in_alignment when aligning at the end of a run.
2527 2006-06-11 Eric Christopher <echristo@apple.com>
2530 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2533 2006-06-11 Roger Sayle <roger@eyesopen.com>
2536 Revert incorrect fix for PR target/27158
2537 2006-05-08 Roger Sayle <roger@eyesopen.com>
2538 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2539 of a reg_equiv_constant if the result is a legitimate constant.
2541 2006-06-11 Roger Sayle <roger@eyesopen.com>
2544 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2545 extract a CONST_VECTOR element and interpret it as an integer.
2546 (vspltis_constant): Use const_vector_elt_as_int instead of the
2547 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2548 * config/rs6000/predicates.md (easy_vector_const): Consider
2549 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2551 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2554 * stor-layout.c (update_alignment_for_field): Don't add extra
2555 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2558 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2560 * config/mips/t-rtems: Add EL/EB multilib variants.
2562 2006-06-09 Mike Stump <mrs@apple.com>
2564 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2566 2006-06-09 David Daney <ddaney@avtrex.com>
2568 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2570 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2572 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2574 2006-06-09 Richard Guenther <rguenther@suse.de>
2576 PR tree-optimization/26998
2577 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2578 of signed types, only TYPE_MIN_VALUE is special, but for both,
2579 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2580 in this case, as is -fwrapv.
2582 2006-06-08 Mike Stump <mrs@apple.com>
2585 * config/darwin.c (darwin_asm_output_anchor): Disable
2586 -fsection-anchors on darwin for now.
2587 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2588 * rs6000/rs6000.c (optimization_options): Likewise.
2590 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2593 * config/i386/i386.c (classify_argument): Skip fields with invalid
2596 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2598 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2599 (cse_insn): Likewise for the stack_pointer_rtx.
2601 2006-06-08 Roger Sayle <roger@eyesopen.com>
2603 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2604 conditions from floating point comparisons.
2606 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2609 * expmed.c (struct alg_hash_entry): Fix type of field T
2610 to match synth_mult argument.
2611 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2613 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2616 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2619 2006-06-08 Richard Guenther <rguenther@suse.de>
2622 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2623 only, if overflow is defined and not trapping.
2624 (negate_expr): Likewise.
2626 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2628 PR tree-optimization/27872
2629 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2630 flag on the new exit edge of the unrolled loop.
2632 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2634 PR rtl-optimization/26449
2635 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2637 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2640 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2641 referenced_variables with matching DECL_UID's.
2642 (find_referenced_vars): Make sure duplicate list is empty to start.
2643 (referenced_var_p): Remove.
2644 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2645 Check if var is in the list, and add if needed. Update the duplicate
2646 list if a different var is in the list with the same DECL_UID.
2647 (add_referenced_var): Call routine to check and insert.
2648 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2649 * tree-flow.h (referenced_vars_dup_list): External declaration.
2651 2006-06-07 Fred Fish <fnf@specifix.com>
2653 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2656 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2659 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2660 the imaginary and real parts of a clobbered register.
2661 Emit insn to set the imaginary part.
2663 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2665 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2666 in lieu of unwind-dw2-fde.c.
2668 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2670 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2672 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2675 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2676 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2677 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2678 V4SImode temporaries and operations instead.
2680 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2682 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2685 2006-06-06 Mike Stump <mrs@apple.com>
2687 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2688 installing during build.
2690 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2692 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2694 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2695 * config/ia64/ia64.c (params.h): New header.
2696 (ia64_optimization_options): New function to adjust parameters.
2697 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2698 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2699 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2701 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2703 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2705 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2708 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2710 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2711 Victor Kaplansky <victork@il.ibm.com>
2713 PR tree-optimization/26360
2714 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2717 2006-06-04 Roger Sayle <roger@eyesopen.com>
2718 Andrew Pinski <pinskia@physics.uc.edu>
2721 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2722 for LABEL_DECL before calling DECL_WEAK.
2725 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2726 LABEL_DECL and PARM_DECL.
2728 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2732 * c-decl.c (grokdeclarator): Disallow variably modified types at
2733 file scope. Avoid marking shared array type of constant size as
2736 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2739 * c-common.c (fold_offsetof_1): Handle static members.
2741 2006-06-04 Eric Christopher <echristo@apple.com>
2743 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2744 (debug_rli): Output value for remaining_in_alignment.
2745 (update_alignment_for_field): Unconditionalize
2746 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2747 extra alignment code.
2748 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2749 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2750 * tree.h (record_layout_info_s): Remove prev_packed.
2751 * doc/extend.texi (ms_struct): Add documentation of format.
2753 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2755 * tree.h: Declare folding_initializer.
2756 * builtins.c (fold_builtin_constant_p): Give definite answer
2757 if folding inside an initializer.
2758 * fold-const.c: Define folding_initializer.
2759 (START_FOLD_INIT): Save and then set folding_initializer.
2760 (END_FOLD_INIT): Restore folding_initializer.
2762 2006-06-04 Richard Guenther <rguenther@suse.de>
2764 PR tree-optimization/27039
2765 * fold-const.c (fold_comparison): Handle pointer comparison
2766 again for all comparison codes. Compare offsets in signed
2768 (fold_binary): Move code from here.
2770 2006-06-03 Roger Sayle <roger@eyesopen.com>
2773 * config/i386/i386.c (construct_container): Split static issued_error
2774 flag into issued_sse_arg_error, issued_sse_ret_error and
2775 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2776 requires the use of x87 registers and the user explicitly
2777 specified the -mno-80387 command line option.
2779 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2781 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2782 HAVE_DECL_SIGALTSTACK.
2784 (segv_handler): Use MC_FLD.
2785 * configure.ac: Check for a sigaltstack declaration.
2786 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2787 * configure: Regenerate.
2788 * config.in: Regenerate.
2790 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2793 * Makefile.in (stmp-fixinc): Fix typo.
2795 2006-06-02 Roger Sayle <roger@eyesopen.com>
2797 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2798 are type correct. Clean-up.
2799 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2800 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2802 2006-06-01 DJ Delorie <dj@redhat.com>
2804 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2805 shift, as we've disabled the "switch" insn that needs it.
2807 2006-06-01 Per Bothner <bothner@bothner.com>
2809 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2810 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2811 * c-ppoutput.c (cb_define): Don't increment line 0.
2813 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2815 * doc/invoke.texi: Add cpu_type power6.
2816 * config.gcc: Add cpu_type power6.
2817 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2818 to power5+ with Altivec.
2819 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2820 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2822 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2824 * config/avr/avr.h (SET_ASM_OP): Define.
2826 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2828 * config/bfin/bfin.c: Fix comment typos.
2830 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2833 * doc/install.texi: Document --enable-bootstrap and
2834 --disable-bootstrap.
2836 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2838 * doc/install.texi: Document that InfoZIP can replace jar.
2840 2006-05-31 Roger Sayle <roger@eyesopen.com>
2842 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2843 isn't available, directly generate the simpler x87 patterns without
2844 the (use (const_int 0)).
2845 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2846 implementation isn't available.
2847 (*negdf2_1): Likewise.
2848 (*negxf2_1): XF mode negation is always done using the x87.
2849 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2851 2006-05-31 Roger Sayle <roger@eyesopen.com>
2853 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2854 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2856 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2858 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2860 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2861 * config/bfin/bfin.c (basic-block.h): Include.
2862 (struct machine_function): New.
2863 (bfin_init_machine_status): New.
2864 (override_options): Initialize init_machine_status.
2865 (bfin_hardware_loop): New.
2866 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2867 (DEF_VEC_P (loop_info)): New.
2868 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2869 (struct loop_info): New.
2870 (loop_info): New typedef.
2871 (struct loop_work): New.
2872 (loop_work): New typedef.
2873 (DEF_VEC_O (loop_work)): New.
2874 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2875 (bfin_dump_loops): New.
2876 (bfin_bb_in_loop): New.
2877 (bfin_scan_loop): New.
2878 (bfin_optimize_loop): New.
2879 (bfin_reorg_loops): New.
2880 (bfin_reorg): Use bfin_reorg_loops.
2881 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2883 (I_REGNO_P): Simplify.
2884 (DP_REGNO_P, DPREG_P): New macros.
2885 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2886 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2887 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2888 Add LT_REGS, LC_REGS, LB_REGS.
2889 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2891 (REGNO_REG_CLASS): Deal with loop registers.
2892 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2894 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2895 New constants for loop registers.
2896 (UNSPEC_LSETUP_END): New.
2897 (seq_insns): New define_attr. Set it for appropriate insns.
2898 (movsi_insn): Add alternatives for move from/to
2899 loop count registers.
2900 (doloop_end): New define_expand.
2901 (loop_end): New define_insn.
2902 (define_split for bad doloop_end): New.
2903 (lsetup_with_autoinit): New define_insn.
2904 (lsetup_without_autoinit): New define_insn.
2905 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2906 * config/bfin/predicates.md (lc_register_operand): New.
2907 (lt_register_operand): New.
2908 (lb_register_operand): New.
2909 (nondp_register_operand): New.
2910 (nondp_reg_or_memory_operand): New.
2911 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2913 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2915 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2916 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2918 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2920 * Makefile.in (CATALOGS): Add po/ prefix.
2921 * configure: Regenerated.
2923 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2926 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2927 a shift operand before calling shift_op. Avoid redundant call of
2930 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2931 DJ Delorie <dj@redhat.com>
2933 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2934 we're inserting is a singlt-bit constant.
2936 2006-05-30 Roger Sayle <roger@eyesopen.com>
2938 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2939 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2941 2006-05-30 Roger Sayle <roger@eyesopen.com>
2943 PR tree-optimization/23452
2944 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2945 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2946 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2947 complex values and with -ffast-math for FP complex values.
2949 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2951 * c-common.h: Remove the prototype for yyparse.
2952 * rtl.h: Remove the prototype for init_loop.
2954 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2956 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2959 2006-05-30 Roger Sayle <roger@eyesopen.com>
2961 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2963 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2964 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2966 2006-05-30 Dirk Mueller <dmueller@suse.de>
2969 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2970 for CONSTANT_CLASS_P expresisons.
2972 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2975 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2977 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2979 PR tree-optimization/27779
2980 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2981 initial_condition instead of CHREC_LEFT.
2983 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2985 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2986 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2987 Make prototypes ISO C90.
2989 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2990 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2992 * see.c (see_analyze_one_def): Correct check.
2993 (see_get_extension_data): Check if extension is parallel.
2994 (see_get_extension_reg): Likewise.
2996 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2999 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3000 into register for (code == GTU).
3002 2006-05-29 Roger Sayle <roger@eyesopen.com>
3004 PR tree-optimization/24964
3005 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3006 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3007 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3008 abs(x)*abs(x) as x*x for scalar floating point modes.
3010 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3013 * lambda-code.c (perfect_nestify): Don't copy statements
3014 in the inner loop: move them to the inner loop header.
3016 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3019 * c-tree.texi: Document OpenMP directives and clauses.
3021 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3023 * varasm.c (globalize_decl): Fix indentation.
3025 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3028 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3029 pass_fre, pass_store_ccp, pass_copy_prop,
3030 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3031 pass_return_slot, pass_object_size, pass_lim,
3032 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3033 pass_loop_prefetch and pass_stdarg.
3035 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3037 * config/bfin/bfin.opt (mfdpic): New option.
3038 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3039 (EXTRA_MULTILIB_PARTS): Likewise.
3040 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3041 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3043 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3044 (CRT_CALL_STATIC_FUNCTION): New.
3045 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3047 (CRT_CALL_STATIC_FUNCTION): New.
3048 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3050 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3051 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3052 (initialize_trampoline): Changed to handle FD-PIC code generation.
3053 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3054 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3055 (override_options): Disallow -mid-shared-library -mfdpic combination.
3056 Can't do unaligned ops if FD-PIC.
3057 Turn off flag_pic if trying to generate non-id-shared-library
3058 non-fdpic code, since it's not supported.
3059 (bfin_assemble_integer): New function.
3060 (TARGET_ASM_INTEGER): Define.
3061 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3063 * config/bfin/crtn.s: Restore them.
3064 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3066 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3067 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3068 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3069 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3070 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3072 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3073 FDPIC_REGS and FDPIC_FPTR_REGS.
3074 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3075 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3076 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3077 (load_funcdescsi): New pattern.
3078 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3079 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3080 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3082 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3084 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3087 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3089 * tree-flow.h: Remove the prototype for add_type_alias.
3090 * tree-ssa-alias.c (add_type_alias): Remove.
3092 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3094 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3095 config/fr30/fr30.md, config/i386/i386-interix.h,
3096 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3097 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3098 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3099 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3100 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3101 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3102 Follow spelling conventions.
3103 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3104 Follow spelling conventions.
3106 2006-05-27 Richard Guenther <rguenther@suse.de>
3109 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3110 to produce a constant of value 1 of generic type.
3112 2006-05-27 Dirk Mueller <dmueller@suse.de>
3114 * cgraphunit.c (decide_is_function_needed): Fix wrong
3117 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3119 PR rtl-optimization/27661
3120 * reload.c (find_reloads): When reloading a VOIDmode constant
3121 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3122 use Pmode as mode of the reload register.
3124 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3126 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3127 is enabled at -O and above.
3129 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3132 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3135 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3138 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3139 for anonymous variables explicitly declared by front ends.
3141 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3143 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3144 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3145 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3146 ref-all pointers, run a finalization pass for them.
3147 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3148 (finalize_ref_all_pointers): New function.
3149 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3150 regular pointer type to a ref-all pointer type.
3151 (get_tmt_for): Return the special memory tag for ref-all pointers.
3153 2006-05-25 Richard Guenther <rguenther@suse.de>
3156 * fold-const.c (fold_binary): Do not look at the stripped
3157 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3159 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3161 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3162 for LT and GT if the computed range is effectively empty.
3164 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3167 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3168 mips_quad_format formats instead of ieee_single_format,
3169 ieee_double_format and ieee_quad_format formats, respectively.
3171 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3173 PR tree-optimization/27639
3174 PR tree-optimization/26719
3175 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3176 call to scev_probably_wraps_p.
3177 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3178 used_in_pointer_arithmetic_p, convert_step): Removed.
3179 (nowrap_type_p): New function.
3180 (scev_probably_wraps_p): Rewritten.
3181 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3182 chrec_convert if chrec_convert_aggressive might have been used.
3183 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3184 scev_direction): New functions.
3185 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3186 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3187 instead of convert_step.
3188 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3189 (convert_step): Declaration removed.
3190 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3192 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3194 * df-core.c: Added to header comments.
3195 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3196 df_ur_bb_info, df_urec_bb_info): Added comments.
3197 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3198 urec, ri problems): Fixed header comments.
3199 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3200 code from df_rd_transfer_function.
3202 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3204 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3205 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3206 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3208 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3210 * expr.c (undefined_operand_subword_p): New.
3211 (emit_move_multi_word): Do not generate move from undefined bits
3212 of a paradoxical subreg.
3214 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3216 PR rtl-optimization/27736
3217 * combine.c (replaced_rhs_value): New variable.
3218 (combine_instructions): Set it.
3219 (distribute_notes): When distributing a note in replaced_rhs_insn,
3220 check whether the value was used in replaced_rhs_value.
3222 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3225 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3226 add_referenced_var instead of add_referenced_tmp_var.
3227 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3228 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3230 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3231 tree_optimize_tail_calls_1): Use add_referenced_var.
3232 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3233 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3234 Use add_referenced_var.
3235 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3236 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3237 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3238 Use add_referenced_var.
3239 * tree-dfa.c (struct walk_state): Remove.
3240 (find_referenced_vars): Remove walk state and vars_found hash table.
3241 (make_rename_temp): Use add_referenced_var.
3242 (find_vars_r): Pass less parameters to add_referenced_var.
3243 (referenced_var_p): New. Is var in referenced_var hash table.
3244 (referenced_var_insert): Assert var isn't already in hash table.
3245 (add_referenced_var): Don't need walk_state parameter. Add var if it
3246 isn't already in the hash table.
3247 (add_referenced_tmp_var): Remove.
3248 (find_new_referenced_vars_1): Use add_referenced_var.
3249 * tree-ssa-pre.c (create_expression_by_pieces,
3250 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3251 Use add_referenced_var.
3252 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3253 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3254 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3256 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3257 vect_create_data_ref_ptr, vect_create_destination_var,
3258 vect_init_vector, vect_build_loop_niters,
3259 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3260 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3261 Use add_referenced_var.
3262 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3263 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3264 (add_referenced_var): Add prototype.
3265 * tree-ssa-structalias.c (get_constraint_for,
3266 intra_create_variable_infos): Use add_referenced_var.
3268 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3270 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3271 big-endian paradoxical subregs.
3272 * var-tracking.c (struct micro_operation_def): Document that,
3273 for modify micro operations, insn is the subsequent instruction.
3274 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3275 (var_reg_set, var_mem_set): ... new functions.
3276 (add_stores): Record subsequent insn.
3277 (compute_bb_dataflow): Use new functions for MO_USE.
3278 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3279 notes after the insn, and modify notes before the insn known
3280 to be the subsequent one.
3281 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3283 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3286 * config/i386/i386.c (ix86_expand_builtin): Use
3287 gen_sse3_monitor64 for TARGET_64BIT.
3289 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3291 PR rtl-optimization/26375
3292 PR rtl-optimization/26855
3293 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3295 (df_ru_bb_local_compute): Reversed statements and removed bogus
3296 comment explaining why they should be in wrong order.
3297 (df_ru_dump, df_rd_dump): Enhanced debug info.
3298 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3300 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3301 reaching uses and fixed space problem.
3303 2006-05-23 Jan Hubicka <jh@suse.cz>
3305 * cgraphunit.c (decide_is_function_needed): Also nested functions
3306 and functions declared inline can be optimized out at -O0.
3308 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3310 * doc/install.texi (Configuration): Remove reference to CrossGCC
3314 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3317 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3318 ix86_compare_emitted is non-NULL.
3320 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3323 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3326 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3328 PR rtl-optimization/25514
3329 * combine.c (replaced_rhs_insn): New variable.
3330 (combine_instructions): Set replaced_rhs_insn when trying to replace
3331 a SET_SRC with a REG_EQUAL note.
3332 (distribute_notes): Use replaced_rhs_insn when determining the live
3333 range of a REG_DEAD register.
3335 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3336 Anatoly Sokolov <aesok@post.ru>
3338 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3339 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3340 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3341 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3342 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3343 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3344 at90usb647, at90usb1286 and at90usb1287 devices.
3345 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3346 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3348 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3350 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3352 2006-05-22 Richard Guenther <rguenther@suse.de>
3355 2006-01-31 Richard Guenther <rguenther@suse.de>
3356 Paolo Bonzini <bonzini@gnu.org>
3358 * doc/install.texi (--disable-libgcc-math): Document.
3360 2006-05-22 Richard Guenther <rguenther@suse.de>
3363 2006-01-31 Richard Guenther <rguenther@suse.de>
3365 * doc/invoke.texi (-msselibm): Document.
3366 * target.h (expand_library_builtin): New target hook.
3367 * builtins.c (expand_builtin): Use expand_library_builtin.
3368 (default_expand_library_builtin): New function.
3369 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3370 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3371 (link_gcc_math_spec): Declare.
3372 (static_specs): Add link_gcc_math_spec.
3373 * expr.h (default_expand_library_builtin): Declare.
3374 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3375 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3376 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3377 * config/i386/i386.opt (msselibm): New target option.
3378 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3379 (ix86_init_sse_abi_builtins): New function.
3380 (ix86_expand_library_builtin): Likewise.
3381 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3382 (override_options): Handle error conditions wrt -msselibm.
3383 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3384 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3385 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3388 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3391 * c-common.c (self_promoting_args_p): Skip erroneous args.
3394 * c-decl.c (finish_struct): Skip erroneous fields.
3396 2006-05-22 Nick Clifton <nickc@redhat.com>
3398 * config/cris/cris.opt (march): Remove VarExists attribute.
3399 (max-stackframe=): Likewise.
3401 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3403 * doc/rtl.texi: Fix a typo.
3404 * see.c: Fix comment typos.
3406 * tree-ssa-structalias.h (alias_info): Remove num_references.
3408 2006-05-21 Mike Stump <mrs@apple.com>
3410 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3412 (darwin_pragma_options): Use BAD instead.
3413 (darwin_pragma_unused): Likewise.
3414 (darwin_pragma_ms_struct): Likewise.
3416 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3418 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3420 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3422 PR rtl-optimization/27671
3423 * simplify-rtx.c (simplify_relational_operation_1): Fix
3424 simplifications of (eq/ne (xor x y) y) and
3425 (eq/ne (xor x y) x).
3427 PR tree-optimization/26622.
3428 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3431 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3433 * tree-cfg.c: Prune whitespace.
3434 (debug_tree_cfg): Point to correct header containing the
3437 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3440 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3442 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3445 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3446 or sorry count is non zero.
3448 2006-05-20 Andreas Schwab <schwab@suse.de>
3450 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3452 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3453 Kenneth Zadeck <zadeck@naturalbridge.com>
3455 PR rtl-optimization/26855
3457 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3459 (df_scan_alloc): Added code to properly handle multiword hard
3460 registers and add all_blocks parameter.
3461 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3462 code to properly handle multiword hard registers.
3463 (df_rescan_blocks): Added code to remove deleted blocks from
3465 (df_ref_create_structure, df_ref_record): Added code to properly
3467 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3468 and set DF_REF_PARTIAL.
3469 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3470 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3471 (df_scan_add_problem): Added flags parameter.
3472 (df_ref_create_structure): Changed switching structure.
3473 (df_bb_refs_record): Fixed case where duplicate artificial refs
3474 were created. Changed location of flags.
3475 (df_record_entry_block_defs): Added code to make stack pointer
3476 live in entry block. Refined cases where frame pointer is needed.
3477 Changed location of flags.
3478 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3479 (df_set_state): Removed function.
3480 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3481 df_insn_create_insn_record, df_insn_refs_delete,
3482 df_ref_create_structure): Formatting changes.
3483 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3484 df_delete_basic_block): New function.
3485 (df_init): Changed location of flags.
3486 (df_add_problem): Added flags parameter and the way flags are
3488 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3489 debug_df_chain): Improved debugging output.
3490 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3491 (df_refs_chain_dump): Removed df parameter.
3492 (df_iterative_dataflow): Added consistency check.
3493 (df_prune_to_subcfg): Made public.
3494 (df_analyze_problem): Added blocks_to_init parameter and made
3496 (df_ref_record, df_bb_refs_record, df_mark_reg,
3497 df_record_exit_block_uses): Whitespace changes.
3498 (df_dump): Whitespace changes.
3499 * df.h: Some reordering to remove forward references.
3500 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3501 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3502 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3503 (dataflow.flags): New field.
3504 (df.flag): Deleted field.
3505 (df_alloc_function): Added additional bitmap parameter.
3506 (df_dependent_problem_function): New type.
3507 (df_problem.changeable_flags): New field.
3508 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3509 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3510 (df_mw_hardreg): New struct.
3511 (DF_INSN_UID_MWS): New macro.
3512 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3514 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3515 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3516 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3517 (df_set_state): Removed function.
3518 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3519 * df-problems.c (df_chain_dump): Removed df parameter.
3520 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3521 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3523 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3524 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3525 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3526 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3527 DF_REF_MUST_CLOBBER cases.
3528 (df_ru_bb_local_compute_process_def,
3529 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3530 df_lr_bb_local_compute, df_ur_bb_local_compute,
3531 df_chain_create_bb): Made subreg aware.
3532 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3533 df_lr_bb_local_compute, df_lr_bb_local_compute,
3534 df_chain_create_bb): Cleanup to use proper macros.
3535 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3536 code to fixup bitvectors.
3537 (df_ri_alloc): Cleared lifetime.
3538 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3539 df_create_unused_note): New function.
3540 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3541 REG_DEAD and REG_UNUSED notes as well as register information.
3542 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3543 df_chains_dump): Fixed crash if problem was never run.
3544 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3545 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3546 df_ri_add_problem): Processes flags in uniform manner.
3547 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3548 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3549 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3550 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3551 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3552 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3553 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3554 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3555 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3556 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3557 * see.c (see_initialize_data): Ditto.
3558 * final.c (rest_of_clean_state) Added regstack_completed.
3559 * rtl.h (regstack_completed): Ditto.
3560 * reg-stack.c (regstack_completed): Ditto.
3562 2006-05-19 Mike Stump <mrs@apple.com>
3564 * c-tree.h (default_conversion): Remove.
3565 * c-common.h (default_conversion): Add.
3567 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3569 * tree-vrp.c (valid_value_p): New function.
3570 (adjust_range_with_scev): Fail if the value of bound is not
3573 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3575 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3576 (mips_fallback_frame_state): Use syscall numbers to determine
3577 the appropriate li instruction for the current ABI. Only use
3578 __NR_sigreturn for o32.
3580 2006-05-19 Nicolas Setton <setton@adacore.com>
3582 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3583 * langhooks.c (lhd_dwarf_name): New function.
3584 * langhooks-def.h (lhd_dwarf_name): Declare.
3585 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3586 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3587 * ada/misc.c (gnat_dwarf_name): New function.
3588 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3590 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3592 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3594 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3595 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3596 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3597 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3598 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3599 determine the size of Wtype, etc.
3600 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3601 (swfloatfuncs): New variable.
3602 (dwfloatfuncs): Likewise.
3603 (lib2funcs): Remove floating-point conversion functions from
3604 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3605 the set of conversion routines needed. Allow entries to specify
3606 an object name, filename and word size. Update users accordingly.
3607 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3608 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3612 2006-02-08 Roger Sayle <roger@eyesopen.com>
3615 * config/fixtfdi.c: New libgcc source file.
3616 * config/fixunstfdi.c: New source file.
3617 * config/floatditf.c: New source file.
3618 * config/floatunditf.c: New souce file.
3619 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3620 files above instead of config/mips/_tilib.c.
3621 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3623 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3625 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3626 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3628 2006-05-18 Mike Stump <mrs@apple.com>
3630 Fix up vla, vm and [*] sematics.
3636 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3637 (c_vla_unspec_p): Add.
3638 (c_vla_type_p): Add.
3639 * c-decl.c (struct c_scope): Add had_vla_unspec.
3640 (build_array_declarator): Add support for [*].
3641 (grokdeclarator): Likewise.
3642 (grokparms): Likewise.
3643 (get_parm_info): Likewise.
3644 * c-objc-common.c (c_vla_unspec_p): Likewise.
3645 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3646 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3647 typeof when argument is a variably modified type not inside sizeof or alignof.
3648 (c_parser_direct_declarator_inner): Propagate errors.
3649 (c_parser_sizeof_expression): Add support for [*].
3650 (c_parser_parms_declarator): Initialize had_vla_unspec.
3651 (c_parser_parms_list_declarator): Likewise.
3652 * c-typeck.c (c_vla_type_p): Add.
3653 (composite_type): Add support for vla compositing.
3654 (comptypes_internal): Add support for vla compatibility.
3655 (c_expr_sizeof_expr): Evaluate vla arguments.
3656 * tree.c (variably_modified_type_p): Update comment for [*].
3658 2006-05-18 Michael Matz <matz@suse.de>
3661 * config.host: Make assignments to host_xmake_file cumulative.
3662 * config.host (*-darwin*): Test $host, not $target.
3664 2006-05-12 Stuart Hastings <stuart@apple.com>
3666 * config/i386/i386.opt (-mstackrealign): New flag.
3667 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3668 (ix86_handle_cconv_attribute): Emit error when
3669 force_align_arg_pointer attribute collides with too many regparms.
3670 (ix86_function_regparm): Limit regparms when used with
3671 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3672 Support stack-realigning prologue in non-main functions. Emit
3673 warning for nested functions under -mstackrealign, emit error for
3674 nested functions with force_align_arg_pointer attribute.
3675 * doc/extend.texi (force_align_arg_pointer): Document it.
3676 * doc/invoke.texi (-mstackrealign): Document it.
3678 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3680 PR rtl-optimization/27477
3681 * combine.c (try_combine): Don't split a parallel consisting
3682 of two sets into two individual sets if both sets reference
3685 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3687 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3688 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3690 * doc/options.texi (VarExists): Updated.
3692 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3694 * unwind-dw2.c: Add declarations for uw_update_context and
3696 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3697 detected, advance frame state and context once to skip over stub.
3699 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3703 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3704 Call rewrite_into_loop_closed_ssa only when something changed.
3705 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3706 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3707 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3708 Test for perfect_nest_p here. Fix formating.
3709 (replace_uses_equiv_to_x_with_y): Fix formating.
3710 (stmt_uses_op): Removed.
3711 (can_convert_to_perfect_nest): Removed loopivs parameter.
3712 Complete the test by checking the scalar dependences.
3713 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3716 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3719 From Dan Kegel <dank@kegel.com>:
3720 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3722 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3724 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3725 if the element type is variably modified without recursing.
3727 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3730 * tree-loop-linear.c (try_interchange_loops): Test for
3731 no data dependences.
3733 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3735 PR tree-optimization/27548
3736 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3737 range of ssa names that appear on abnormal edges.
3738 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3739 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3741 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3744 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3746 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3749 * tree.h (OMP_PARALLEL_COMBINED): Define.
3750 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3751 (new_omp_context): Add is_combined_parallel argument.
3752 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3753 new_omp_context caller.
3754 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3755 Adjust gimplify_scan_omp_clauses callers.
3756 (omp_is_private): Issue errors if iteration variable is firstprivate
3757 or reduction in the current context.
3758 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3759 on combined parallel workshare constructs.
3761 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3763 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3764 (gcc-options.o): New rule.
3766 * optc-gen.awk: Protect variables for gcc-options.o with
3767 #ifdef GCC_DRIVER/#endif.
3769 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3771 Fix PR tree-optimization/27373
3772 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3773 (forward_propagate_addr_expr): Update call.
3775 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3777 * doc/options.texi: Move the Negative option.
3779 2006-05-16 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/22303
3782 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3784 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3785 ccp_fold did not simplify the statement.
3787 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3790 * Makefile.in (GCC_OBJS): New.
3791 (OBJS-common): Add opts-common.o.
3792 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3793 (cpp$(exeext)): Likewise.
3794 (gcc.o): Also depend on opts.h.
3795 (opts-common.o): New.
3797 * common.opt (gcoff): Add Negative(gdwarf-2).
3798 (gdwarf-2): Add Negative(gstabs).
3799 (gstabs): Add Negative(gstabs+).
3800 (gstabs+): Add Negative(gvms).
3801 (gvms): Add Negative(gxcoff).
3802 (gxcoff): Add Negative(gxcoff+).
3803 (gxcoff+): Add Negative(gcoff).
3804 * config/i386/i386.opt (m32): Add Negative(m64).
3805 (m64): Add Negative(m32).
3807 * doc/options.texi: Document the Negative option.
3809 * gcc.c: Include "opts.h".
3810 (main): Call prune_options after expandargv.
3812 * optc-gen.awk: Generate common declarations for all flag
3813 variables in options.c. Output the neg_index field.
3815 * opts.c (find_opt): Moved to ...
3816 * opts-common.c: Here. New file.
3818 * opts.h (cl_option): Add a neg_index field.
3820 (prune_options): Likewise.
3822 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3825 * omp-low.c (expand_omp_parallel): Don't assert
3826 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3827 instead search for it.
3830 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3833 2006-05-16 Andreas Schwab <schwab@suse.de>
3835 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3838 2006-05-15 Roger Sayle <roger@eyesopen.com>
3841 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3842 integer constants other than zero are only legitimate on TARGET_64BIT.
3843 <CONST_VECTOR> Only zero vectors are legitimate.
3844 (ix86_cannot_force_const_mem): Integral and vector constants can
3845 always be put in the constant pool.
3847 2006-05-16 DJ Delorie <dj@redhat.com>
3849 * crtstuff.c (__dso_handle): Set section from
3850 TARGET_LBIGCC_SDATA_SECTION if defined.
3851 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3852 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3854 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3857 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3860 2006-05-16 Ben Elliston <bje@au.ibm.com>
3862 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3864 2006-05-15 Per Bothner <per@bothner.com>
3866 * tree.c: (last_annotated_node): Use source_locus typedef.
3867 This permits bootstrapping with --enable-mapped-location.
3869 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3871 PR tree-optimization/26830
3872 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3873 (info_for_ssa_name, current_info_for_ssa_name_age,
3874 blocks_to_update): New variables.
3875 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3876 (clear_ssa_name_info, initialize_flags_in_bb,
3877 mark_block_for_update): New functions.
3878 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3879 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3880 prepare_def_site_for): Use mark_block_for_update.
3881 (mark_def_interesting): Assert that the processed block is marked in
3882 blocks_to_update. Do not take blocks argument.
3883 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3885 (rewrite_update_init_block, rewrite_update_stmt): Only process
3886 blocks with statements to rewrite.
3887 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3888 (update_ssa): Initialize and free blocks_to_update. Do not
3889 clear flags on statements. Do not use blocks bitmap.
3890 * tree.h (SSA_NAME_AUX): Removed.
3891 (struct tree_ssa_name): Removed aux field.
3892 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3894 2006-05-15 Richard Guenther <rguenther@suse.de>
3896 PR tree-optimization/27603
3897 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3898 Do computations in original type.
3900 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3902 * see.c: Code style changes such as redundant paranthesis,
3903 redundant intialization of local variables etc.
3904 (see_main): Declared now as static.
3905 * doc/invoke.texi: Update that -fsee is not enabled by
3908 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3910 * omp-low.c (check_omp_nesting_restrictions): New function.
3911 (scan_omp_1): Call it.
3914 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3915 construct, return *VAR.
3917 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3919 PR rtl-optimization/27406
3920 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3923 2006-05-14 Roger Sayle <roger@eyesopen.com>
3925 PR rtl-optimization/27538
3926 * combine.c (expand_compound_operation): Call gen_lowpart
3927 before calling simplify_shift_const.
3929 2006-05-14 Roger Sayle <roger@eyesopen.com>
3931 PR rtl-optimization/22563
3932 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3933 a fixed width bitfield, always force the intermediates into psuedos.
3935 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3938 * mkconfig.sh: Use operator = instead of == for test.
3940 2006-05-13 Nick Clifton <nickc@redhat.com>
3942 * dwarf2out.c (dbx_reg_number): Check return value from
3943 LEAF_REG_REMAP and only use it if it is valid.
3944 (multiple_reg_loc_descriptor): Likewise.
3946 2006-05-13 Richard Guenther <rguenther@suse.de>
3948 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3951 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3953 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3954 information attached to non-INSNs such as NOTEs.
3955 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3957 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3959 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3961 * config/s390/s390.md: Adjust comment describing On constraint.
3963 2006-05-11 Jan Hubicka <jh@suse.cz>
3965 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3966 to be output at -O0.
3968 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3971 * fold-const.c (size_binop): Move sanity check for arguments to
3972 the beginning of the function.
3975 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3978 2006-05-11 Richard Guenther <rguenther@suse.de>
3981 * fold-const.c (fold_unary): Handle intermediate conversion
3982 to a pointer type like intermediate conversion to an integer
3983 type in folding of (T1)(T2)var to var.
3984 Match the code to the comment in the final conversion for
3985 (T1)(T2)var to (T1)var regarding to type precision. Rather
3986 than disallow T1 being of pointer type, assert that both T1
3987 and var are of pointer type or not. Make sure not to fall
3988 over the frontends lazyness wrt array to pointer decay though.
3990 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3992 * arm.c (arm_struct_value_rtx): Delete.
3993 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3994 (arm_init_cumulative_args): Always initialize nregs to zero.
3996 2006-05-10 Richard Guenther <rguenther@suse.de>
3998 PR tree-optimization/27532
3999 * tree-object-size.c (plus_expr_object_size): Fix typo.
4001 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4004 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4005 ashrdi_const, ashrdi3): Use a scratch register.
4007 2006-05-10 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/27302
4010 * fold-const.c (operand_equal_p): For two comparisons,
4011 try comparison of one comparison code swapped if that yields
4014 2006-05-10 Ben Elliston <bje@au.ibm.com>
4016 * tree-pretty-print.c (pretty_print_string): No need to handle
4017 '\0' as a special character.
4019 * tree.h: Include "hashtab.h".
4020 (iterative_hash_expr): Use hashval_t in its prototype.
4021 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4023 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4026 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4027 (hppa*64*-*-hpux11*): Ditto.
4028 (hppa[12]*-*-hpux11*): Ditto.
4030 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4033 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4035 2006-05-09 Michael Matz <matz@suse.de>
4037 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4038 host_extra_gcc_objs and host_xmake_file.
4039 (<*-*-linux*>): Don't overwrite host_xmake_file.
4040 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4041 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4042 (host_detect_local_cpu): Declare.
4043 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4044 * config/i386/i386.c (override_options): Handle -mtune=native
4046 * config/i386/x-i386: New file.
4047 * config/i386/driver-i386.c: New file.
4048 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4051 2006-05-09 Dirk Mueller <dmueller@suse.de>
4052 Richard Guenther <rguenther@suse.de>
4055 * fold-const.c (fold_read_from_constant_string): Relax check
4056 for matching types to matching modes.
4058 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4060 PR rtl-optimization/27335
4061 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4064 2006-05-08 Chao-ying Fu <fu@mips.com>
4065 Richard Sandiford <richard@codesourcery.com>
4067 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4068 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4069 * config/mips/mips.md (UNSPEC_SCC): New constant.
4070 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4071 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4072 (mips_emit_compare): Use it.
4073 (mips_expand_vcondv2sf): New function.
4075 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4077 Fix PR tree-optimization/27093
4078 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4079 renaming when they become not-used_alone.
4081 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4083 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4084 relocation and relocation stubs.
4086 2006-05-08 Eric Christopher <echristo@apple.com>
4088 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4091 2006-05-08 Jan Hubicka <jh@suse.cz>
4094 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4095 unused static functions are needed.
4097 2006-05-08 Roger Sayle <roger@eyesopen.com>
4100 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4101 of a reg_equiv_constant if the result is a legitimate constant.
4103 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4106 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4107 standard 80387 constants, raise the cost to prevent
4108 compress_float_constant() to generate load from memory.
4110 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4112 * config/arm/constraints.md (c): Fix a typo.
4114 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4117 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4120 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4122 (_mm_mwait): Likewise.
4124 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4126 (sse3_monitor): Make it 32bit only.
4127 (sse3_monitor64): New. 64bit monitor.
4129 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4132 * config/i386/i386.c (classify_argument): Skip fields with invalid
4135 2006-05-07 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/27409
4138 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4139 Do not try to find zero-sized subvars.
4141 2006-05-07 Richard Guenther <rguenther@suse.de>
4143 PR tree-optimization/27136
4144 * tree-ssa-loop-niter.c (get_val_for): Correct function
4145 comment, assert requirements.
4146 (loop_niter_by_eval): Stop processing if the iterated
4147 value did not simplify.
4149 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4151 * opts.c (flag_see): remove its setting at -O3.
4153 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4155 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4156 * arm/constraints.md: New file.
4157 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4158 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4159 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4160 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4161 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4162 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4163 * arm.md: Include constraints.md.
4164 (thumb_movsi_insn): Use satisfies_constraint_J.
4165 (movhi, movqi): Use satisfies_constraint_I.
4167 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4169 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4170 for atmeg a645 device.
4172 2006-05-06 Richard Guenther <rguenther@suse.de>
4174 PR tree-optimization/27151
4175 * tree-vect-transform.c (vectorizable_condition): Punt on
4176 values that have a different type than the condition.
4178 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4181 * c-parser.c (c_parser_cast_expression): Only insert casts into
4182 hash table if pointer.
4183 * function.c (used_types_insert_helper): Rename from
4185 (used_types_insert): Call used_types_insert_helper.
4186 * function.h (used_types_insert): Accept only one argument.
4188 2006-05-05 David Edelsohn <edesohn@gnu.org>
4190 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4191 scratch with output modifier.
4193 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4196 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4197 with output modifier.
4199 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4202 * config/mips/mips.c (mips_symbolic_address_p): Return true
4203 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4204 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4206 2006-05-04 Richard Guenther <rguenther@suse.de>
4208 PR tree-optimization/14287
4209 PR tree-optimization/14844
4210 PR tree-optimization/19792
4211 PR tree-optimization/21608
4212 PR tree-optimization/27090
4213 * tree-ssa-pre.c (try_combine_conversion): New function.
4214 (compute_avail): After constructing the value-handle
4215 expression, use try_combine_conversion to combine NOP_EXPRs
4216 with previous value-handle expressions and use the result if it
4219 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4221 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4223 2006-05-04 Jan Hubicka <jh@suse.cz>
4226 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4228 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4230 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4231 that this only matches CONST_INTs. All users changed to VOIDmode
4234 * config/bfin/bfin.c: Include "optabs.h".
4235 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4237 (enum bfin_builtins): Add a number of fractional and vector builtins.
4238 (bfin_init_builtins): Likewise.
4239 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4240 (safe_vector_operand, bfin_expand_binop_builtin,
4241 bfin_expand_unop_builtin): New functions.
4242 (bfin_expand_builtin): Handle the new builtins.
4243 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4246 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4249 * Makefile.in (OBJS-common): Add see.o.
4250 (see.o): Add dependencies.
4251 * common.opt (fsee): New flag for the see optimization was added.
4252 * opts.c (flag_see): Initialized.
4253 * passes.c (init_optimization_passes, pass_see): New pass.
4254 * rtl.h (see_main): Declaration as extern.
4255 * timevar.def (TV_SEE): New.
4256 * tree-pass.h (pass_see): Declaration as extern.
4257 * invoke.texi (-fsee): Document.
4258 * recog.c (validate_simplify_insn): New function.
4259 * recog.h (validate_simplify_insn): Declaration as extern.
4260 * df-problems.c (df_chain_dump): Check for NULL.
4262 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4263 Daniel Berlin <dberlin@dberlin.org>
4265 * cfgrtl.c (insert_insn_bb_end_new): New function.
4266 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4268 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4270 * df.h (struct web_entry): Moved from web.c.
4271 (union_defs): Declaration as extern.
4272 (unionfind_root): Likewise.
4273 (unionfind_union): Likewise.
4274 * web.c (struct web_entry): Moved to df.h.
4275 (unionfind_root): Remove static declaration.
4276 (unionfind_union): Likewise.
4277 (union_defs): Likewise and generalize to use callback function.
4278 (web_main): Update arguments for union_defs function call.
4280 2006-05-04 Richard Guenther <rguenther@suse.de>
4282 PR tree-optimization/26447
4283 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4284 produce SSA_NAME copies before the store stmt to avoid
4285 breaking exception handling.
4287 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4290 * gimplify.c (omp_is_private): If var is shared in some outer context,
4291 return false instead of true. Stop searching on parallel context
4294 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4297 * coverage.c: Use get_gcov_unsigned_t() instead of
4298 unsigned_type_node all over.
4300 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4302 PR tree-optimization/27381
4303 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4304 maintain the same immediate_use links.
4305 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4306 node rather than segfaulting.
4308 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4311 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4312 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4313 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4315 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4317 Fix PR tree-optimization/26626
4318 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4320 * tree-ssa-operands.c (access_can_touch_variable): Allow
4321 typecasting through union pointers.
4323 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4326 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4327 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4328 to find if var will be a global variable even in the nested context.
4329 (omp_copy_decl): Only check for global variable at the end, it might
4330 be overridden in outer contexts.
4331 (scan_sharing_clauses): For global variables don't create a field.
4332 (lower_rec_input_clauses): Do nothing for global shared variables.
4333 Emit a barrier at the end of ILIST if there were any decls in both
4334 firstprivate and lastprivate clauses.
4335 (lower_send_clauses): Do nothing for global variables except for
4338 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4340 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4341 of the correct signedness is returned.
4343 2006-05-02 Jeff Law <law@redhat.com>
4345 PR tree-optimization/27364
4346 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4347 multiply expressions.
4349 2006-05-02 Tom Tromey <tromey@redhat.com>
4351 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4353 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4356 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4357 -mthumb -fPIC are used.
4359 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4360 Joshua Kinard <kumba@gentoo.org>
4363 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4364 with 64-bit pointers.
4366 2006-05-02 Paul Brook <paul@codesourcery.com>
4368 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4370 (create_fix_barrier): Check that a suitable barrier location is
4372 (arm_reorg): Include ftmp->address in allowable range of addresses.
4374 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4377 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4380 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4383 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4384 around RESULT_DECL for result passed by reference.
4385 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4386 * omp-low.c (use_pointer_for_field): Don't look at
4387 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4388 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4389 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4390 time or var for passing by reference for
4391 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4392 TREE_ADDRESSABLE variables when passing by reference.
4394 * omp-low.c (dump_omp_region): Fix output formatting.
4397 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4398 (expand_omp_parallel): Likewise.
4399 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4402 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4403 on statement list containing also constructors and destructors.
4404 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4407 * except.c (duplicate_eh_regions): Fix clearing of
4408 cfun->eh->region_array entries.
4410 2006-05-01 DJ Delorie <dj@redhat.com>
4412 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4414 (gcc_cv_objdump): Likewise.
4415 * configure: Regenerated.
4417 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4420 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4421 templates for case 3 and 4.
4423 2006-05-01 DJ Delorie <dj@redhat.com>
4425 * vec.c: Include bconfig.h when appropriate.
4426 * Makefile.in (build/vec.o): Adjust dependencies.
4427 * mkconfig.sh: Make sure config.h isn't used for build machine
4430 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4432 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4434 (mark_phi_for_rewrite): New function.
4435 (insert_phi_nodes_for, mark_use_interesting): Call
4436 mark_phi_for_rewrite.
4437 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4438 (update_ssa): Initialize and free phis_to_rewrite.
4440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4442 PR rtl-optimization/27291
4443 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4444 folded to a constant.
4446 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4448 PR tree-optimization/27283
4449 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4450 not whole # of iteration descriptions.
4451 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4452 uses abnormal ssa name.
4453 (niter_for_single_dom_exit): Ditto.
4454 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4455 return just the number of iterations.
4457 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4459 PR tree-optimization/27144
4460 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4461 (record_estimate): Only record constant upper bound.
4462 (infer_loop_bounds_from_undefined): Call
4463 compute_estimated_nb_iterations just once.
4464 (proved_non_wrapping_p): Renamed to ...
4465 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4466 (convert_step_widening, scev_probably_wraps_p): Call
4467 n_of_executions_at_most instead of proved_non_wrapping_p.
4468 (substitute_in_loop_info): Do not replace values in bounds.
4469 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4472 2006-05-01 Richard Henderson <rth@redhat.com>
4475 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4476 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4479 2006-05-01 Roger Sayle <roger@eyesopen.com>
4481 * c-typeck.c (parser_build_binary_op): Don't call the function
4482 unsigned_conversion_warning to spot operand/result type overflow.
4483 (build_binary_op): Instead, call convert_and_check instead of
4484 convert to report the problem when the operands are promoted.
4485 * c-common.c (unsigned_conversion_warning): Make static.
4486 * c-common.h (unsigned_conversion_warning): Delete prototype.
4488 2006-05-01 Richard Guenther <rguenther@suse.de>
4490 PR tree-optimization/26726
4491 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4493 (find_interesting_uses_address): ... we work around here
4494 by folding INDIRECT_REFs in the substituted base.
4496 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4498 * omp-low.c (dump_omp_region): Add newlines.
4500 2006-04-30 Roger Sayle <roger@eyesopen.com>
4502 * common.opt (Woverflow): New command line option.
4503 * c-common.c (constant_expression_warning): Check warn_overflow.
4504 (overflow_waring): Pass OPT_Woverflow to warning.
4505 (unsigned_conversion_warning): Likewise.
4506 (convert_and_check): Likewise.
4507 * doc/invoke.texi: Document new command line option.
4509 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4511 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4512 TARGET_NO_FP_IN_TOC for section anchors.
4513 (optimization_options): Enable section anchors for all
4514 non-"Objective" languages.
4516 2006-04-28 Eric Christopher <echristo@apple.com>
4518 * config/darwin-c.c (darwin_ms_struct): Move this
4519 (darwin_set_default_type_attributes): and this...
4520 * config/darwin.c: ... here.
4521 * config/darwin.h (darwin_ms_struct): Declare.
4523 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4527 2006-04-28 Roger Sayle <roger@eyesopen.com>
4530 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4531 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4532 an unsigned HOST_WIDE_INT.
4533 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4535 (really_start_incremental_init): No need to call convert because
4536 bitsize_zero_node is already of type bitsizetype.
4537 (push_init_level): Extract the value of constructor_index as an
4538 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4539 (process_init_element): Likewise.
4541 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4543 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4544 value before passing to make_relative_prefix.
4546 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4549 * builtins.c (expand_builtin_memset): Expand val in original mode.
4551 2006-04-27 Eric Christopher <echristo@apple.com>
4553 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4554 with #ifndef/#endif.
4555 * config/darwin-c.c (darwin_ms_struct): New.
4556 (darwin_pragma_ms_struct): Ditto.
4557 (darwin_set_default_type_attributes): Ditto.
4558 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4559 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4560 Register ms_struct pragma.
4561 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4562 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4563 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4564 darwin_set_default_type_attributes if TARGET_MACHO.
4566 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4568 PR tree-optimization/26854
4569 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4570 * doc/tree-ssa.texi: Update immuse iterator documentation.
4571 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4573 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4574 first_safe_imm_use, next_safe_imm_use): Remove.
4575 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4576 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4577 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4578 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4579 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4580 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4581 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4582 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4583 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4584 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4585 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4586 (perfect_nestify): Use new iterator.
4587 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4589 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4590 (next_imm_name): New field in struct immediate_use_iterator_d.
4591 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4592 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4593 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4594 * tree-cfg.c (replace_uses_by): Use new iterator.
4595 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4596 * tree-ssa-operands.c (correct_use_link): Remove.
4597 (finalize_ssa_use_ops): No longer call correct_use_link.
4599 2006-04-27 Stuart Hastings <stuart@apple.com>
4601 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4602 * config/t-darwin (crt3.o): Use it.
4603 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4604 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4605 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4606 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4607 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4610 2006-04-27 Roger Sayle <roger@eyesopen.com>
4612 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4613 size, force the intermediate into a new pseudo rather instead of
4614 performing both a bitwise AND and a bitwise IOR in memory.
4616 2006-04-27 Richard Guenther <rguenther@suse.de>
4618 PR rtl-optimization/26685
4619 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4620 this one "max-flow-memory-locations".
4622 2006-04-27 Richard Guenther <rguenther@suse.de>
4624 PR tree-optimization/25148
4625 * tree-vrp.c (compare_values): Remove code dealing with
4626 comparisons against type min/max value. Honour overflow
4627 and negative constants in code dealing with comparisons
4628 of plus and minus expressions.
4629 (value_inside_range): Use fold_binary with LE_EXPR and
4630 GE_EXPR rather than compare_values.
4632 2006-04-27 Dirk Mueller <dmueller@suse.de>
4634 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4637 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4639 * basic-block.h (safe_insert_insn_on_edge): Removed.
4640 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4642 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4643 Paolo Bonzini <bonzini@gnu.org>
4646 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4647 (simplify_and_const_int): Same.
4649 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4651 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4653 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4656 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4657 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4658 cgraph_global_info_ready.
4661 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4664 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4665 either decl or init is error_mark_node.
4668 * tree-flow.h (struct omp_region): Add sched_kind.
4669 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4670 instead of extracting omp for data.
4671 (expand_omp_for): Save extracted sched_kind.
4673 2006-04-25 Roger Sayle <roger@eyesopen.com>
4675 * expmed.c (store_bit_field): Also check whether the bitsize is
4676 valid for the machine's "insv" instruction before moving the
4677 target into a pseudo for use with the insv.
4678 * config/i386/predicates.md (const8_operand): New predicate.
4679 * config/i386/i386.md (extv, extzv, insv): Use the new
4680 const8_operand predicate where appropriate.
4682 2006-04-25 DJ Delorie <dj@redhat.com>
4684 * doc/install.texi (Specific): Clarify that this is not a list of
4685 supported hosts or targets.
4687 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4689 PR rtl-optimization/26725
4690 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4691 block's BB_DIRTY flag.
4693 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4695 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4698 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4699 to print an integer.
4701 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4703 * varasm.c (align_variable): New function.
4704 (get_block_for_decl): Apply align_variable to DECL before
4705 calculating section information.
4706 (assemble_variable): Split out alignment computation.
4708 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4710 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4713 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4715 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4716 MODE_PARTIAL_INT mode.
4717 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4718 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4720 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4721 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4723 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4725 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4727 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4728 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4729 MACFLAG_IH): Likewise.
4730 (movstricthi_1): Renamed from "*movstricthi".
4731 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4732 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4733 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4734 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4735 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4736 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4737 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4738 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4739 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4740 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4741 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4742 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4743 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4744 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4745 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4747 * doc/rtl.texi (ss_ashift): Improve wording.
4749 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4751 * dwarf2out.c (verify_marks_clear): New.
4752 (prune_unused_types): Call verify_marks_clear initially, not
4755 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4757 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4758 * doc/rtl.texi: Document them.
4759 * simplify-rtx.c (simplify_unary_operation,
4760 simplify_binary_operation_1): Don't abort when we see them.
4762 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4765 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4766 * configure.ac: Completely disregard languages that are not
4768 * configure: Regenerated.
4770 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4771 Richard Guenther <rguenther@suse.de>
4773 PR tree-optimization/27236
4774 * tree-inline.c (copy_body_r): Make sure to copy
4775 TREE_THIS_VOLATILE flag.
4777 2006-04-24 Richard Guenther <rguenther@suse.de>
4780 * tree-complex.c (update_parameter_components): Don't handle
4781 unused parameters which have no default def.
4783 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4784 Richard Guenther <rguenther@suse.de>
4786 PR tree-optimization/27218
4787 * tree-inline.c (expand_call_inline): Strip useless type
4788 conversions for the return slot address.
4790 2006-04-24 Richard Guenther <rguenther@suse.de>
4792 * cfgloop.h (struct loops): Remove unused field array. Reorder
4794 (LOOP_PREFETCH): Remove.
4796 2006-04-24 Richard Guenther <rguenther@suse.de>
4798 PR tree-optimization/22525
4799 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4800 variable, adjust types of generated expressions.
4802 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4804 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4805 (tree-vect-patterns.o): Likewise.
4807 (cselib.o): Likewise.
4808 (loop-doloop.o): Likewise.
4809 (regclass.o): Likewise.
4810 (reload1.o): Likewise.
4811 (explow.o): Replace target.h with $(TARGET_H).
4812 (ipa-prop.o): Likewise.
4813 (ipa-cp.o): Likewise.
4814 (ipa-inline.o): Likewise.
4815 (reorg.o): Likewise.
4816 (reg-stack.o): Likewise.
4818 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4820 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4822 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4824 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4826 * configure.ac: Completely disregard languages that are not
4828 * configure: Regenerated.
4831 * c-common.h (c_build_bitfield_integer_type): Declare.
4832 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4833 * c-common.c (c_build_bitfield_integer_type): ... here.
4835 2006-04-23 Roger Sayle <roger@eyesopen.com>
4838 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4839 a SImode SUBREG of a floating point register after no_new_pseudos.
4841 2006-04-23 Roger Sayle <roger@eyesopen.com>
4843 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4844 identify potentially eliminable registers to additionally catch
4845 VIRTUAL_INCOMING_ARGS_REGNUM.
4846 (addsi3): Update the conditions on when to use addsi_small_int.
4848 2006-04-23 Roger Sayle <roger@eyesopen.com>
4851 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4852 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4853 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4855 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4857 * fold-const.c (range_predecessor): Use operand_equal_p
4858 as the predicate for equality.
4859 (range_successor): Likewise.
4861 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4864 * config/soft-fp/op-common.h: Fix a typo.
4866 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4869 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4870 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4872 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4874 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4876 * doc/tm.texi: Fix a typo.
4878 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4880 * dwarf2out.c (struct die_struct): Document that die_sib makes
4881 a circular linked list.
4882 (FOR_EACH_CHILD): New.
4883 (reverse_die_lists): Delete.
4884 (reverse_all_dies): Delete.
4885 (add_dwarf_attr): Correct documentation.
4886 (remove_child_with_prev): New.
4887 (remove_child_TAG): Update for change to die_struct, use
4888 remove_child_with_prev.
4889 (add_child_die): Update for change to die_struct.
4890 (splice_child_die): Use remove_child_with_prev and add_child_die.
4891 (print_die): Use FOR_EACH_CHILD.
4892 (die_checksum): Likewise.
4893 (assign_symbol_names): Likewise.
4894 (output_location_lists): Likewise.
4895 (build_abbrev_table): Likewise.
4896 (calc_die_sizes): Likewise.
4897 (mark_dies): Likewise.
4898 (unmark_dies): Likewise.
4899 (unmark_all_dies): Likewise.
4900 (output_die): Likewise.
4901 (prune_unused_types_mark): Likewise.
4902 (prune_unused_types_walk): Likewise.
4903 (same_die_p): Update for change to die_struct.
4904 (break_out_includes): Likewise.
4905 (prune_unused_types_prune): Likewise.
4906 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4907 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4909 (dwarf2out_finish): Don't call reverse_all_dies.
4911 2006-04-21 Eric Christopher <echristo@apple.com>
4913 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4914 in comments and function names.
4916 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4919 * c-typeck.c (digest_init): Robustify.
4921 * c-typeck.c (pop_init_level): Simplify.
4923 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4925 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4927 2006-04-21 Paul Brook <paul@codesourcery.com>
4929 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4930 hardware floating point.
4932 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4934 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4937 2006-04-21 Nick Clifton <nickc@redhat.com>
4939 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4942 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4945 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4946 C++ lang type in traceback table for Objective-C++.
4948 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4950 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4952 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4954 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4957 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4958 were errors. Remove check for erroneous objects.
4960 2006-04-20 Jeff Law <law@redhat.com>
4962 PR tree-optimization/26854
4963 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4964 checking for zero or one use.
4965 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4966 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4967 * tree-ssa-reassoc.c (negate_value): Similarly.
4968 (reassociate_bb): Similarly.
4970 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4972 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4973 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4974 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4976 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4978 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4979 fp regs if the last fp arg doesn't fit in regs.
4981 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4984 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4985 that the last insn has the REG_INC note.
4987 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4988 Nathan Sidwell <nathan@codesourcery.com>
4991 * stor-layout.c (update_alignment_for_field): Do not align
4993 (place_union_field): Place union field at the start of the union.
4994 (place_field): Move ERROR_MARK check later, and use the current
4995 allocation position to maintain monotonicity.
4997 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4999 * dominance.c: Include timevar.h.
5000 (calculate_dominance_info): Use TV_DOMINANCE.
5001 * timevar.def (TV_DOMINANCE): New timevar.
5002 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5004 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5006 PR rtl-optimization/14261
5007 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5008 move would be an INSV insn.
5009 (noce_process_if_block): Don't optimize if the destination is a
5010 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5012 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5014 * config/s390/s390.md: Add comments with the instructions emitted
5015 by an insn pattern if macros are used.
5017 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5019 PR rtl-optimization/26026
5020 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5021 is a known power of two shifted left a variable amount.
5023 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5025 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5026 to hash table twice when the debug_str section has SECTION_MERGE.
5028 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5030 * config/soft-fp: New directory. From glibc.
5031 * config/soft-fp/t-softfp: New.
5032 * config/soft-fp/README: New.
5033 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5034 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5035 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5036 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5037 * config.gcc: Use rs6000/t-fprules-fpbit or
5038 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5040 * config/rs6000/sfp-machine.h: New. Based on glibc.
5041 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5043 * config/rs6000/t-fprules: Remove fp-bit rules.
5044 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5045 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5046 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5047 (softfp_wrap_start, softfp_wrap_end): New.
5049 2006-04-18 DJ Delorie <dj@redhat.com>
5051 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5053 2006-04-18 Devang Patel <dpatel@apple.com>
5055 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5057 2006-04-18 Nick Clifton <nickc@redhat.com>
5059 * config/sh/t-symbian: Add rule to build sh-c.o
5060 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5061 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5062 (sh_symbian_encode_section_info): Likewise.
5064 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5066 * builtins.c (expand_builtin_strcmp): Cover label definition of
5067 do_libcall with HAVE_cmpstrnsi.
5069 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5071 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5073 * function.h (temp_slot_p): New.
5074 (function): Change the type of x_used_temp_slots to
5075 VEC(temp_slot_p,gc) *.
5077 2006-04-18 Nick Clifton <nickc@redhat.com>
5079 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5080 flag_strength_reduce.
5082 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5084 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5088 Partial revert of revision 112637
5089 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5090 Dale Johannesen <dalej@apple.com>
5093 * regclass.c (struct reg_pref): Update documentation.
5094 (regclass): Set prefclass to NO_REGS if memory is the best option.
5095 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5097 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5099 PR tree-optimization/26821
5100 * tree-ssa-math-opts.c (get_constant_one): New.
5101 (insert_reciprocals): Use it.
5103 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5105 * dwarf2out.c (free_AT): Delete.
5106 (remove_AT): Update string ref counts.
5107 (remove_child_TAG): Don't call free_die.
5109 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5110 or DW_TAG_GNU_EINCL.
5111 (prune_unused_types_walk_attribs): Reset string refcounts.
5112 (prune_unused_types_update_strings): New.
5113 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5114 call free_die. Do call prune_unused_types_update_strings.
5115 (prune_unused_types): Empty debug_str_hash.
5117 2006-04-17 Roger Sayle <roger@eyesopen.com>
5119 * expr.c (expand_assignment): Optimize away no-op moves where the
5120 source and destination are equal and have no side-effects.
5122 2006-04-17 Richard Guenther <rguenther@suse.de>
5125 * reload.c (push_reload): Guard calls to get_secondary_mem
5128 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5130 * alias.c (reg_base_value, old_reg_base_value): Change the
5131 type to VEC(rtx,gc) *.
5132 (REG_BASE_VALUE, find_base_value, record_set,
5133 init_alias_analysis): Use VEC instead of VARRAY.
5135 * alias.c (alias_sets): Change the type to
5136 VEC(alias_set_entry,gc) *.
5137 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5138 VEC instead of VARRAY.
5139 (last_alias_set): Remove.
5141 * cgraph.h (cgraph_edge_p): New.
5142 Update the prototype of cgraph_function_versioning.
5143 * cgraphunit.c (cgraph_copy_node_for_versioning,
5144 cgraph_function_versioning): Use VEC instead of VARRAY.
5145 * ipa-cp.c (ipcp_insert_stage): Likewise.
5147 2006-04-16 Roger Sayle <roger@eyesopen.com>
5150 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5151 "A op B" or "A op C", we may need to convert A to the type of B and C.
5153 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5155 * target.h (struct gcc_target): Add mode_rep_extended.
5156 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5157 (init_num_sign_bit_copies_in_rep): Initialize it using
5159 (truncate_to_mode): Use it.
5160 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5161 * targhooks.h (default_mode_rep_extended): Declare it.
5162 * targhooks.c (default_mode_rep_extended): Define it.
5163 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5164 default_mode_rep_extended.
5165 (TARGET_INITIALIZER): Include it.
5166 * doc/tm.texi (Misc): Document it.
5167 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5168 (mips_truncated_to_mode): New function.
5170 2006-04-16 Roger Sayle <roger@eyesopen.com>
5173 * expr.c (compress_float_constant): Copy the narrow constant into
5174 a new pseudo before extending it to its final width.
5176 2006-04-16 Roger Sayle <roger@eyesopen.com>
5177 Andrew Pinski <pinskia@gcc.gnu.org>
5178 Dale Johannesen <dalej@apple.com>
5181 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5182 special case code to implement V8HImode and V16QImode with SSE2.
5184 2006-04-15 Roger Sayle <roger@eyesopen.com>
5186 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5187 trees are constructed with a suitable tree type.
5189 2006-04-15 Roger Sayle <roger@eyesopen.com>
5191 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5192 (integer_onep): Likewise.
5193 (integer_all_onesp): Likewise.
5194 (integer_pow2p): Likewise.
5195 (integer_nonzerop): Likewise.
5196 (real_zerop): Likewise.
5197 (real_onep): Likewise.
5198 (real_twop): Likewise.
5199 (real_minus_onep): Likewise.
5200 (int_size_in_bytes): Likewise.
5201 (host_integerp): Likewise.
5203 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5205 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5206 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5207 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5209 * tree-ssa-structalias.h (alias_info): Remove num_references.
5211 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5213 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5214 (output_bvb patterns): Likewise.
5215 * pa.c (output_bb): Use 'bb' insn for long branch case.
5216 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5217 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5218 1. Correct length operand for alternatives 1 and 2.
5219 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5220 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5222 2006-04-14 Roger Sayle <roger@eyesopen.com>
5224 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5225 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5226 were accidentally reverted by r112959.
5228 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5231 * except.h (eh_region_outermost): New prototype.
5232 * except.c (eh_region_outermost): New function.
5233 * tree-cfg.c (find_outermost_region_in_block): Use it.
5235 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5237 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5239 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5240 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5241 (init_reload, reload): Use VEC instead of VARRAY.
5242 * reload.h: Update the prototype for
5243 reg_equiv_memory_loc_varray.
5245 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5246 Eric Botcazou <ebotcazou@libertysurf.fr>
5248 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5251 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5254 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5255 to expand fallback builtin function call.
5257 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5260 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5261 and emit libcall here in case the builtin fails.
5262 (expand_builtin_strcmp): Always emit the libcall here on failure.
5264 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5266 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5267 * flow.c (reg_n_info): Change the type to
5268 VEC(reg_info_p,heap) *.
5269 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5271 * regs.h (reg_info_p): New.
5272 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5273 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5274 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5277 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5279 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5281 * params.h (MAX_SCHED_READY_INSNS): New macro.
5282 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5283 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5284 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5285 the ready list for 1 cycle during the first scheduling pass.
5286 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5288 2006-04-13 Richard Henderson <rth@redhat.com>
5291 * gimple-low.c (lower_omp_directive): Remove dead code.
5292 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5293 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5294 * omp-low.c (struct omp_region): Move to tree-flow.h.
5295 (root_omp_region): Export.
5296 (omp_regions, lookup_omp_region): Remove.
5297 (determine_parallel_type): Update for struct omp_region changes.
5298 (dump_omp_region): Dump regions with block numbers.
5299 (new_omp_region): Take type and block instead of stmt; malloc
5301 (free_omp_region_1, free_omp_regions): New.
5302 (expand_parallel_call): Take entry_stmt as argument; update for
5303 changes to omp_region.
5304 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5305 (remove_exit_barriers): New.
5306 (expand_omp_parallel): Update for struct omp_region changes.
5307 (expand_omp_synch): Likewise.
5308 (expand_omp): Likewise.
5309 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5310 (expand_omp_for_static_chunk): Likewise.
5311 (expand_omp_for): Likewise.
5312 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5313 (expand_omp_sections): Similarly, with GOMP_sections_end.
5314 (expand_omp_single): New.
5315 (build_omp_regions_1): Update for OMP_CONTINUE.
5316 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5317 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5318 OMP_SECTIONS_SECTIONS.
5319 (lower_omp_single_simple): Don't emit barrier here.
5320 (lower_omp_single_copy): Likewise.
5321 (lower_omp_single): Fix bindings, and lower to straightline now.
5322 (lower_omp_master, lower_omp_ordered): Likewise.
5323 (lower_omp_critical): Likewise.
5324 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5325 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5326 omp edges, free it afterward.
5327 (make_omp_sections_edges): Remove.
5328 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5329 (move_stmt_r): Handle OMP_CONTINUE.
5330 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5331 statement pointers to basic blocks. Add type member.
5332 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5333 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5334 * tree-inline.c (estimate_num_insns_1): Likewise.
5335 * tree-pretty-print.c (dump_generic_node): Likewise.
5336 * tree-ssa-operands.c (get_expr_operands): Likewise.
5337 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5338 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5339 (OMP_CONTINUE): New.
5340 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5341 (OMP_SECTIONS_SECTIONS): Remove.
5342 (OMP_SECTION_LAST): New.
5343 (OMP_RETURN_NOWAIT): New.
5345 2006-04-13 Roger Sayle <roger@eyesopen.com>
5347 * fold-const.c (native_encode_vector, native_interpret_real):
5348 Correct obvious mistakes in the previous check-in.
5350 2006-04-13 Roger Sayle <roger@eyesopen.com>
5352 * fold-const.c (native_encode_expr): New function to encode
5353 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5354 or VECTOR_CST into a specified buffer.
5355 (native_encode_int): New function.
5356 (native_encode_real): New function.
5357 (native_encode_complex): New function.
5358 (native_encode_vector): New function.
5359 (native_interpret_expr): Inverse of native_encode_expr to convert
5360 a target representation into an INTEGER_CST, REAL_CST etc...
5361 (native_interpret_int): New function.
5362 (native_interpret_real): New function.
5363 (native_interpret_complex): New function.
5364 (native_interpret_vector): New function.
5365 (fold_view_convert_expr): New function to constant fold/evaluate
5366 a VIEW_CONVERT_EXPR of a suitable constant expression.
5367 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5368 Change call of build1 to fold_build1 when constructing a
5371 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5372 Ulrich Weigand <uweigand@de.ibm.com>
5375 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5378 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5381 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5382 optimize to lo_sum for DFmode if !TARGET_FPRS.
5384 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5386 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5387 delete_alias_info, compute_flow_sensitive_aliasing,
5388 group_aliases): Use VEC instead of VARRAY.
5389 * tree-ssa-structalias.c (update_alias_info): Likewise.
5390 * tree-ssa-structalias.h (alias_info): Change the type of
5391 processed_ptrs to VEC(tree,heap) *.
5393 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5396 * config/sh/lib1funcs.h: New file, broken out of:
5397 * config/sh/lib1funcs.asm.
5398 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5400 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5401 * config/sh/lib1funcs-Os-4-200.asm: New file.
5402 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5403 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5404 (EXTRA_MULTILIB_PARTS): Include it.
5405 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5406 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5407 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5408 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5411 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5413 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5414 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5415 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5417 * tree-ssa-live.h: Include vecprim.h.
5418 (tree_partition_associator_d): Change the type of
5419 first_partition to VEC(int,heap) *.
5420 (tpa_first_partition): Use VEC instead of VARRAY.
5422 * Makefile.in (GTFILES): Move functions.h after tree.h.
5423 * function.c (reset_block_changes, record_block_change,
5424 check_block_change, free_block_changes): Use VEC instead of
5426 * function.h (function): Change the type of
5427 ib_boundaries_block to VEC(tree,gc) *.
5428 * tree-inline.c (copy_cfg_body): Initialize
5429 ib_boundaries_block to NULL instead of (varray_type) 0.
5431 2006-04-12 Roger Sayle <roger@eyesopen.com>
5433 * expr.c (emit_group_store): Correct operand order in call to
5434 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5435 a SUBREG_BYTE of zero.
5437 2006-04-12 Richard Guenther <rguenther@suse.de>
5439 * profile.c (compute_branch_probabilities): Remove code
5440 encapsulated in !ir_type (), which are remanents of the
5441 removed RTL profiling code.
5442 * rtl-profile.c: Remove.
5444 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5446 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5447 magic NULL_RTX comment.
5448 (function_arg): Store entire fp arg to mem if any part should go
5450 (rs6000_arg_partial_bytes): Adjust for above change.
5452 2006-04-11 Roger Sayle <roger@eyesopen.com>
5454 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5455 if it hasn't been initialized by dwarf2out_init.
5457 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5459 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5460 symbolic constants in branch patterns.
5462 2006-04-11 Roger Sayle <roger@eyesopen.com>
5464 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5466 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5468 PR rtl-optimization/27073
5469 * gcse.c (try_replace_reg): Revert last change. Continue to search
5470 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5473 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5475 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5476 aggregate types other than record and union types.
5477 (function_arg): Likewise.
5478 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5480 (function_value): In 64-bit mode, return objects that require it
5483 2006-04-11 Roger Sayle <roger@eyesopen.com>
5485 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5487 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5489 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5491 2006-04-03 Jeff Law <law@redhat.com>
5494 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5495 alias information too.
5497 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5499 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5501 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5504 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5505 (premark_used_types_helper): New.
5506 (premark_used_types): New.
5507 (gen_subprogram_die): Call premark_used_types.
5508 (prune_unused_types_walk): Do not prune perennial dies.
5509 * function.c (used_types_insert): New.
5510 * function.h (struct function): Add used_types_hash field.
5511 (used_types_insert): Add prototype.
5512 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5513 * c-parser.c (c_parser_cast_expression): Save casted types in used
5516 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5519 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5520 rs6000_explicit_options.float_gprs.
5522 2006-04-10 Roger Sayle <roger@eyesopen.com>
5524 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5525 from ix86_expand_vector_init_low_nonzero. Take an additional
5526 one_var argument indicating which element is non-zero. Support
5527 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5528 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5529 with one_var instead of ix86_expand_vector_init_low_nonzero.
5531 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5533 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5534 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5535 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5536 build/genextract.o): Depend on vecprim.h.
5537 * cfglayout.c, df-problems.c, function.c, genextract.c,
5538 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5539 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5543 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5545 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5546 Declare VECs of this type.
5547 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5548 (remove_children): Delete.
5549 (add_dwarf_attr): Use VEC routines.
5550 (add_AT_flag): Update for changes to add_dwarf_attr.
5551 (add_AT_int): Likewise.
5552 (add_AT_unsigned): Likewise.
5553 (add_AT_long_long): Likewise.
5554 (add_AT_vec): Likewise.
5555 (add_AT_string): Likewise.
5556 (add_AT_die_ref): Likewise.
5557 (add_AT_fde_ref): Likewise.
5558 (add_AT_loc): Likewise.
5559 (add_AT_loc_list): Likewise.
5560 (add_AT_addr): Likewise.
5561 (add_AT_lbl_id): Likewise.
5562 (add_AT_lineptr): Likewise.
5563 (add_AT_macptr): Likewise.
5564 (add_AT_offset): Likewise.
5565 (add_AT_range_list): Likewise.
5566 (get_AT): Use VEC_iterate.
5567 (remove_AT): Use VEC_ordered_remove.
5568 (free_die): Fold remove_children into here; have it use VEC_iterate.
5569 (print_die): Use VEC_iterate on attrs.
5570 (reverse_die_lists): Don't reverse attr lists.
5571 (die_checksum): Use VEC_iterate on attrs.
5572 (same_die_p): Likewise.
5573 (output_location_lists): Likewise.
5574 (build_abbrev_table): Likewise.
5575 (size_of_die): Likewise.
5576 (unmark_all_dies): Likewise.
5577 (output_abbrev_section): Likewise.
5578 (output_die): Likewise.
5579 (prune_unused_types_walk_attribs): Likewise.
5581 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5583 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5585 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5588 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5590 2006-04-09 Roger Sayle <roger@eyesopen.com>
5592 * expr.c (store_constructor): Don't bother clearing target if
5593 we're about to assign a vector to it using vec_init_optab.
5595 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5597 * tree-ssa-alias.c (lhs_may_store_to): New function.
5598 (recalculate_used_alone): Handle LHS of calls.
5600 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5604 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5605 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5606 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5607 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5608 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5609 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5610 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5611 stubs. Add ".align 8" directives before all ".dword" directives.
5612 (GTHREAD_USE_WEAK): Revise comment.
5613 (TARGET_ATTRIBUTE_WEAK): Define.
5614 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5615 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5616 * stublib.c: New file.
5621 * pa.md (cbranch patterns): Revise arguments used in calls to
5622 output_cbranch, output_bb and output_bvd. Add long branch length
5624 (fbranch patterns): Handle long branches.
5625 (jump): Revise length check. Revise arguments for output_lbranch call.
5626 Add long branch length attributes.
5627 (decrement_and_branch_until_zero): Add long branch length attributes.
5628 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5629 Likewise. Revise arguments for output_parallel_addb and
5630 output_parallel_movb calls.
5631 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5632 output_parallel_movb and output_parallel_addb): Update prototypes.
5633 * pa.c (output_cbranch): Revise arguments. Correct handling of
5634 nullification in long branches.
5635 (output_lbranch): Add new argument to control extraction of delay
5637 (output_bb): Handle long branches.
5638 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5639 output_parallel_addb): Likewise.
5641 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5643 PR rtl-optimization/27073
5644 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5647 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5649 * tree.h (tree_memory_tag): Add old_used_alone.
5650 (SMT_OLD_USED_ALONE): New macro.
5651 * tree-ssa-alias.c (recalculate_used_alone): Stop
5652 marking things for renaming unnecessarily.
5654 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5656 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5657 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5658 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5659 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5660 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5661 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5662 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5663 spelling convensions.
5664 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5665 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5666 typos. Follow spelling conventions.
5668 2006-04-07 DJ Delorie <dj@redhat.com>
5670 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5671 passed on the stack.
5672 (m32c_init_cumulative_args): When a function returns a structure,
5673 always pass the pointer to that return area on the stack.
5674 (m32c_function_arg_advance): Don't increment the parameter number
5675 if we're processing the returned structure pointer.
5676 (pushm_info): Reverse order of registers.
5678 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5680 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5681 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5682 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5683 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5685 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5686 chrec_fold_multiply): Same.
5687 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5688 force_expr_to_var_cost): Same.
5689 * tree-mudflap.c (mf_xform_derefs_1): Same.
5690 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5692 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5694 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5695 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5698 2006-04-07 Jan Hubicka <jh@suse.cz>
5700 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5702 2006-04-07 Richard Guenther <rguenther@suse.de>
5704 PR tree-optimization/26135
5705 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5706 loads for store copy-prop.
5707 (copy_prop_visit_stmt): Likewise.
5709 2006-04-05 Robert Millan <robertmh@gnu.org>
5711 * config/i386/linux.h: Add a comment to mark macros that are
5712 being overriden in config/k*bsd-gnu.h.
5713 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5715 * config/knetbsd-gnu.h: Ditto.
5717 2006-04-06 Jan Hubicka <jh@suse.cz>
5721 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5724 2006-04-06 Mike Stump <mrs@apple.com>
5726 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5727 for HAVE_nonlocal_goto to be consistent.
5728 (expand_builtin_nonlocal_goto): Likewise.
5729 (expand_builtin_strcmp): Use #ifdef instead of #if
5730 for HAVE_cmpstrnsi to be consistent.
5732 2006-04-05 DJ Delorie <dj@redhat.com>
5734 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5737 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5739 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5740 got-relative addressing for anything but SImode.
5742 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5743 even if the calling function doesn't modify them.
5745 2006-04-05 Richard Guenther <rguenther@suse.de>
5747 PR tree-optimization/26919
5748 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5749 to cgraph_estimate_size_after_inlining.
5751 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5753 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5755 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5757 PR tree-optimization/26996
5758 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5759 VECTOR_TYPE variables.
5761 2006-04-05 Richard Guenther <rguenther@suse.de>
5763 PR tree-optimization/26763
5764 * fold-const.c (fold_comparison): Move folding of
5765 PTR + CST CMP PTR + CST ...
5766 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5768 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5770 * doc/install.texi (Prerequisites): Refine some wording on
5771 bootstrapping and ksh.
5772 Move the version numbers of DejaGnu here from the testing section
5773 and fix casing of names.
5774 Fix markup and clarify wording for autogen requirements.
5775 Refer to GCJ instead of just java.
5776 Refer to SVN instead of CVS.
5777 Describe diffutils as useful instead of necessary.
5778 (Downloading the source): Refer to SVN instead of CVS.
5779 Adjust a link to our web site accordingly.
5780 (Configuration): Fix casing of Bison.
5781 (Building): Refer to SVN instead of CVS.
5782 Fix a sentence on the use of Bison and remove duplicate (and
5783 incorrect) version number of Bison requirement.
5784 Remove one redundant list of packages needed for building.
5785 (Specific): Avoid reference to CVS.
5787 2006-04-04 Eric Christopher <echristo@apple.com>
5789 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5790 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5791 (rs6000_handle_struct_attribute): New.
5792 (rs6000_ms_bitfield_layout_p): Ditto.
5794 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5796 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5797 NULL for dso parameter to atexit_common.
5799 2006-04-04 Eric Christopher <echristo@apple.com>
5801 * config/i386/i386.c (machopic_output_stub): Output \t
5802 between instructions and operands.
5804 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5806 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5807 satisfies_constraint_[IL] to explicit tests on value.
5809 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5811 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5812 set_nb_iterations_in_loop): Use build_int_cst instead of
5814 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5815 build_int_cst instead of convert.
5817 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5819 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5820 new value 2 for incoming.
5821 * function.c (expand_function_start): Call struct_value_rtx
5823 * config/sparc/sparc.md: Comment updated_return.
5824 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5825 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5826 struct return if sparc_std_struct_return and incoming is 2.
5827 (print_operand): Do not adjust return if
5828 sparc_std_struct_return.
5830 2006-04-04 Roger Sayle <roger@eyesopen.com>
5832 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5833 convert in the middle-end.
5834 * expr.c (store_expr, store_constructor, get_inner_reference,
5835 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5837 * tree.c (build_range_type): Likewise.
5839 2006-04-04 Tom Tromey <tromey@redhat.com>
5841 * doc/install.texi (Prerequisites): Mention jar.
5843 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5845 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5848 2006-04-04 Matthias Klose <doko@debian.org>
5850 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5851 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5854 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5856 * doc/extend.texi (Function Attributes): Rewrite visibility
5857 attribute documentation.
5858 * doc/invoke.texi (C++ Dialect Options): Rewrite
5859 -fvisibility-inlines-hidden documentation to describe something
5860 entirely different, although in practise compatible.
5861 (Code Gen Options): Warn about system headers in -fvisibility=
5864 * doc/extend.texi (Other Builtins): Document that
5865 __builtin_nan is a compile-time constant only when its argument
5868 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5870 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5871 trying to remove TRUNCATE check if all bits outside the new mode
5872 are identical to the sign bit.
5874 2006-04-03 Jeff Law <law@redhat.com>
5876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5877 and operand scanning in some common cases.
5879 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5880 Dale Johannesen <dalej@apple.com>
5883 * regclass.c (struct reg_pref): Update documentation.
5884 (regclass): Set prefclass to NO_REGS if memory is the best option.
5885 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5886 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5887 into account. For non-registers, equate an empty preferred
5888 reload class to a `!' in the constraint; move the if clause to
5889 do so after those that reject the insn.
5890 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5892 (find_dummy_reload): Likewise.
5893 * doc/tm.texi (Register Classes): Document what it means
5894 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5895 * config/i386/i386.c (ix86_preferred_reload_class): Force
5896 using SSE registers (and return NO_REGS for floating-point
5897 constants) if math is done with SSE.
5898 (ix86_preferred_output_reload_class): New.
5899 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5900 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5901 * config/i386/i386.md: Remove # register preferences.
5903 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5906 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5907 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5908 the type of nb_iter.
5909 (instantiate_parameters_1): Convert the operands before calling
5910 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5911 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5913 2006-04-02 Roger Sayle <roger@eyesopen.com>
5915 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5916 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5918 * dojump.c (do_jump): Likewise.
5919 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5920 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5921 gimplify_boolean_expr): Likewise.
5922 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5923 * varasm.c (array_size_for_constructor): Likewise.
5924 * tree-object-size.c (compute_object_offset): Likewise.
5926 2006-04-02 Roger Sayle <roger@eyesopen.com>
5929 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5930 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5932 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5934 PR tree-optimization/26939
5935 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5937 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5939 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5940 at_stmt. Convert the type of operands before calling
5941 build_polynomial_chrec.
5942 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5944 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5945 (instantiate_parameters_1): Convert the type of operands before calling
5946 build_polynomial_chrec.
5947 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5948 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5949 reset_evolution_in_loop): Insert asserts to check the types of the
5951 (chrec_type): Moved...
5952 (eq_evolutions_p): Use operand_equal_p.
5953 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5954 the types of the operands.
5955 (chrec_type): ...here.
5956 * tree-data-ref.c (create_data_ref): Convert the operands before
5957 calling chrec_replace_initial_condition.
5958 (same_access_functions, analyze_subscript_affine_affine,
5959 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5960 (compute_subscript_distance, analyze_ziv_subscript,
5961 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5962 analyze_miv_subscript): Convert the operands before calling
5963 chrec_fold_minus or chrec_fold_plus.
5965 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5967 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5968 the dependence_relations vector.
5969 (compute_data_dependences_for_loop): Adjust call to
5970 compute_all_dependences.
5972 2006-04-01 Roger Sayle <roger@eyesopen.com>
5973 Richard Henderson <rth@redhat.com>
5975 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5976 gimple_boolify on the condition before calling gimplify_expr.
5978 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5980 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5981 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5982 the frame size. Update to use the new macros.
5983 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5984 * config/xtensa/ieee754-df.S: Likewise.
5986 2006-03-31 Richard Henderson <rth@redhat.com>
5988 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5989 (make_edges): ... here. Control fallthru creation with a local
5990 variable. Do not play with fake edges.
5991 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5992 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5995 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5997 * dwarf2.h (DW64_CIE_ID): Define.
5998 * dwarf2out.c (DWARF_CIE_ID): Define.
5999 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6000 length header. Use DWARF_CIE_ID.
6001 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6002 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6004 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6006 * config/sh/linux-atomic.asm: New file.
6007 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6009 2006-03-31 DJ Delorie <dj@redhat.com>
6011 * config/m32c/cond.md: Set condition flags properly throughout.
6012 * config/m32c/minmax.md: Likewise.
6013 * config/m32c/prologue.md: Likewise.
6014 * config/m32c/bitops.md: Likewise.
6015 * config/m32c/muldiv.md: Likewise.
6016 * config/m32c/mov.md: Likewise.
6017 * config/m32c/addsub.md: Likewise.
6018 * config/m32c/m32c.md: Likewise.
6019 * config/m32c/jump.md: Likewise.
6020 * config/m32c/shift.md: Likewise.
6022 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6023 conditionally output the pattern for this.
6024 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6025 (m32c_compare_redundant): New.
6026 (m32c_output_compare): New.
6027 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6029 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6030 dest, not src. Allow other 4-byte modes.
6032 2006-03-30 Denis Chertykov <denisc@overta.ru>
6034 * doc/md.texi: Refer to avr/constraints.md instead of
6037 2006-03-30 Roger Sayle <roger@eyesopen.com>
6039 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6040 signed vs. unsigned comparison failures on some hosts.
6042 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6045 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6046 change to FLOAT_REGS.
6048 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6049 (rs6000_override_options): Use it.
6050 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6051 only for -mabi=spe/no-spe and -mabi=altivec.
6053 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6055 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6058 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6060 * Makefile.in: Rename docdir to gcc_docdir.
6062 2006-03-30 Roger Sayle <roger@eyesopen.com>
6065 * expr.c (emit_group_store): Optimize group stores into a pseudo
6066 register by using a paradoxical subreg to initialize the destination
6067 if the first or last member of the group specifies a "low part".
6069 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6072 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6073 * target.h (struct gcc_target.speculate_insn): Change type of the
6074 second parameter to 'int'.
6075 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6076 the second operand of the DEPS_LIST.
6077 (copy_DEPS_LIST_list): Update reference to the second operand of the
6079 * rtl.h (alloc_DEPS_LIST): Update signature.
6080 * sched-int.h (ds_t): Change typedef to 'int'.
6081 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6083 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6085 * haifa-sched.c (try_ready): Change condition to restore
6086 non-speculative pattern of the instruction.
6087 (process_insn_depend_be_in_spec): Code to keep probability of the
6088 speculative dependence non-decreasing.
6090 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6092 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6093 (single_move_for_movmem): ... this. Also change all uses.
6094 (bfin_expand_strmov): Renamed to...
6095 (bfin_expand_movmem): ... this. Also change all uses.
6096 * config/bfin/bfin.md (movstrsi): Renamed to...
6097 (movstrsi): ...this.
6099 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6101 PR tree-optimization/26830
6103 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6104 (copy_prop_visit_stmt): Remove write-only variable ann.
6105 (init_copy_prop): Check variable loop depth here. Do not simulate
6106 memory-tag and virtual operand PHIs except for store copy prop.
6108 2006-03-30 Richard Guenther <rguenther@suse.de>
6110 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6111 variants with double arguments.
6113 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6115 * genpreds.c (write_tm_constrs_h): Delete variable p.
6116 * genconditions.c (write_header): Add tm-constrs.h to included
6118 * genpeep.c (main): Add toplev.h to included headers.
6119 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6120 (build/genpeep.o): Add toplev.h dependency.
6121 * config/rs6000/constraints.md: Add "W" constraint.
6123 2006-03-29 Roger Sayle <roger@eyesopen.com>
6125 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6126 sizes by correctly testing whether the size fits a host integer.
6127 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6128 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6129 SImode range for the default sizetype and bitsizetype.
6131 2006-03-29 Roger Sayle <roger@eyesopen.com>
6133 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6134 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6135 quickly if the argument is already of the correct type.
6136 Call fold_build1 instead of build1. Tidy up blank lines.
6138 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6140 * genemit.c (main): Add tm-constrs.h to included headers.
6141 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6142 * genpeep.c (main): Add tm-constrs.h to included headers.
6143 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6144 (write_tm_constrs_h): this and write complete file.
6145 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6146 (write_insn_preds_c): Add tm-constrs.h to included headers.
6147 (gen_constrs): New variable.
6148 (parse_option): Parse "-c".
6149 (main): Invoke write_tm_constrs_h.
6150 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6151 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6152 (object_out_file): Add tm-constrs.h dependency.
6153 (insn-emit.o): Same.
6154 (insn-output.o): Same.
6155 (insn-peep.o): Same.
6156 (insn-preds.o): Same.
6157 (insn-recog.o): Same.
6158 (tm-constsr.h): New target.
6159 (s-constrs-h): New target.
6161 * config/rs6000/constraints.md: New file.
6162 * config/rs6000/rs6000.c: Include tm-constrs.h.
6163 (num_insn_constant_wide): Convert to satisfies_constraint.
6164 (rs6000_rtx_costs): Convert to satisfies_constraint.
6165 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6166 (CONST_OK_FOR_LETTER_P): Delete.
6167 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6168 (EXTRA_CONSTRAINT): Delete.
6169 (EXTRA_MEMORY_CONSTRAINT): Delete.
6170 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6171 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6172 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6173 satisfies_constraint.
6175 * config/i386/i386.c: Include tm-constrs.h.
6177 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6179 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6180 * tree-data-ref.c (find_data_references_in_loop,
6181 compute_data_dependences_for_loop): Use pointers to VEC.
6182 (analyze_all_data_dependences): Adjust calls.
6183 * tree-data-ref.h (find_data_references_in_loop,
6184 compute_data_dependences_for_loop): Adjust declarations.
6185 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6186 compute_data_dependences_for_loop.
6188 2006-03-29 Paul Brook <paul@codesourcery.com>
6190 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6193 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6195 PR tree-optimization/26859
6196 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6198 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6199 for the step after fold_convert.
6201 2006-03-29 Paul Brook <paul@codesourcery.com>
6203 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6204 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6206 2006-03-29 Paul Brook <paul@codesourcery.com>
6209 * targhooks.c (default_narrow_bitfield): New fuction.
6210 * targhooks.h (default_narrow_bitfield): add prototype.
6211 * target.h (gcc_target): Add narrow_volatile_bitfield.
6212 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6213 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6214 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6215 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6217 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6219 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6221 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6222 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6223 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6224 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6225 (s390_function_arg_float): Allow SDmode and DDmode values to be
6226 passed in floating point registers.
6227 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6228 check with SCALAR_FLOAT_MODE_P.
6229 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6231 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6233 PR tree-optimization/25985
6234 * tree-ssa-loop-niter.c (number_of_iterations_le,
6235 number_of_iterations_ne): Make comments more precise.
6236 (number_of_iterations_cond): Add only_exit argument. Use the
6237 fact that signed variables do not overflow only when only_exit
6239 (loop_only_exit_p): New.
6240 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6241 number_of_iterations_cond.
6243 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6245 PR tree-optimization/26643
6246 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6249 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6251 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6252 (divsi3_i4_int): Likewise.
6254 2006-03-28 Roger Sayle <roger@eyesopen.com>
6256 * expr.c (emit_group_store): Only create a new pseudo reg if the
6257 quantity it needs to hold isn't already a suitable pseudo.
6259 2006-03-28 Jeff Law <law@redhat.com>
6261 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6262 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6264 2006-03-28 Roger Sayle <roger@eyesopen.com>
6266 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6267 the equivalent ~X & Y, and the symmetry related transformations.
6268 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6269 ~X & Y, and symmetry related transforms.
6271 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6273 Revert my 2006-03-27 patches.
6275 2006-03-28 Roger Sayle <roger@eyesopen.com>
6277 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6278 ~(T1)X, when T1 and T2 are integer types of the same precision
6279 and (T2)X isn't an extension.
6281 2006-03-28 Jeff Law <law@redhat.com>
6283 PR tree-optimization/26796
6284 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6285 need EH edge cleanups rather than purging them immediately.
6286 (eliminate_degenerate_phis): Handle queued EH cleanups.
6288 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6290 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6293 2006-03-27 Roger Sayle <roger@eyesopen.com>
6296 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6297 cast BIT_NOT_EXPR operand to the correct type.
6299 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6301 * tree-loop-linear.c: Don't include varray.h.
6302 (gather_interchange_stats, try_interchange_loops,
6303 linear_transform_loops): Use VEC instead of VARRAY.
6304 * lambda-mat.c: Don't include varray.h.
6305 * tree-chrec.c: Same.
6306 * lambda-trans.c: Same.
6307 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6308 VEC instead of VARRAY.
6309 * tree-vectorizer.h: Idem.
6310 * tree-data-ref.c (dump_data_references,
6311 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6312 initialize_data_dependence_relation, finalize_ddr_dependent,
6313 compute_all_dependences, find_data_references_in_loop,
6314 compute_data_dependences_for_loop, analyze_all_data_dependences,
6315 free_dependence_relation, free_dependence_relations,
6316 free_data_refs): Idem.
6317 * tree-data-ref.h (data_reference_p, subscript_p): New.
6318 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6319 VEC instead of VARRAY.
6320 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6321 (find_data_references_in_loop, compute_data_dependences_for_loop,
6322 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6323 dump_data_dependence_relations, free_dependence_relations,
6324 free_data_refs): Adjust declaration.
6325 (lambda_transform_legal_p): Move declaration here...
6326 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6327 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6328 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6329 vect_analyze_data_refs): Use VEC instead of VARRAY.
6330 * lambda.h (lambda_transform_legal_p): ...from here.
6331 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6332 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6333 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6334 tree-chrec.o): Don't depend on VARRAY_H.
6336 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6338 * rtl.def (Copyright): Update date.
6339 (DEPS_LIST): Change type of the second operand to 'int'.
6340 * target.h (Copyright): Update date.
6341 (struct gcc_target.speculate_insn): Change type of the second parameter
6343 * lists.c (Copyright): Update date.
6344 (alloc_DEPS_LIST): Change signature. Update reference to the second
6345 operand of the DEPS_LIST.
6346 (copy_DEPS_LIST_list): Update reference to the second operand of the
6348 * rtl.h (Copyright): Update date.
6349 (alloc_DEPS_LIST): Update signature.
6350 * sched-int.h (Copyright): Update date.
6351 (ds_t): Change typedef to 'int'.
6352 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6354 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6356 * haifa-sched.c (Copyright): Update date.
6357 (try_ready): Change condition to restore non-speculative pattern
6359 (process_insn_depend_be_in_spec): Code to keep probability of the
6360 speculative dependence non-decreasing.
6362 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6364 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6365 shut up the compiler.
6367 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6369 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6370 to use lib prefix for target.
6371 ($(T)libic_invalidate_array_4-200.a): Likewise.
6372 ($(T)libic_invalidate_array_4a.a): Likewise.
6374 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6375 J"orn Rennecke <joern.rennecke@st.com>
6377 * superh.opt: New file.
6378 * sh.c (boardtype, osruntime): Remove.
6379 * superh.h (SUBTARGET_OPTIONS): Remove.
6380 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6382 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6383 arguments with ^ and/or [].
6385 * config.gcc (sh-*-*): Add quoting to account for quirk of
6387 Replace == with = in enable_incomplete_targets test.
6389 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6390 with MASK_LITTLE_ENDIAN.
6392 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6393 * config/sh/sh.opt: Added to some comments.
6394 * config/sh/superh.h: Removed some chaff.
6396 * config/sh/sh.opt: Add m4-[1234]00* options.
6397 * config/sh/sh.c (sh_handle_option): Likewise.
6398 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6399 (ic_invalidate_array_4-100.o): New rule.
6400 ($(T)libic_invalidate_array_4-100.a): Likewise.
6401 (ic_invalidate_array_4-200.o): Likewise.
6402 ($(T)libic_invalidate_array_4-200.a): Likewise.
6403 (ic_invalidate_array_4a.o): Likewise.
6404 ($(T)libic_invalidate_array_4a.a): Likewise.
6405 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6406 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6408 * config/sh/crt1.asm: Merged in profiling code.
6409 * config/sh/superh.h (STARTFILE_SPEC): Override.
6410 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6411 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6412 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6414 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6415 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6416 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6418 * sh.opt (mpretend-cmove): New option.
6419 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6420 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6421 (movsicc): Add TARGET_PRETEND_CMOVE code.
6423 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6425 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6426 s390_class_max_nregs): New function prototypes.
6427 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6428 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6429 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6430 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6432 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6434 * dwarf2out.c (add_location_or_const_value_attribute): Call
6435 tree_add_const_value_attribute if nothing else works.
6436 (reference_to_unused): New.
6437 (rtl_for_decl_init): Use reference_to_unused to decide whether
6438 to output an initializer.
6440 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6443 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6444 peephole removing spe frob_di_df_2.
6446 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6448 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6449 (subscript_dependence_tester_1): Declared.
6450 (print_dir_vectors, print_dist_vectors): New.
6451 (debug_data_dependence_relation): New.
6452 (dump_data_dependence_relation): Print more details.
6453 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6454 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6455 (save_dist_v, save_dir_v, add_outer_distances,
6456 build_classic_dist_vector_1): New.
6457 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6458 Don't test for lambda_vector_lexico_pos.
6459 (same_access_functions, add_multivariate_self_dist,
6460 add_other_self_distances, dir_from_dist): New.
6461 (build_classic_dir_vector): Replace implementation almost identical to
6462 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6464 (subscript_dependence_tester_1): New.
6465 (subscript_dependence_tester): Handle the lexicographically negative
6466 distance vectors by recomputing the dependence relation.
6467 (compute_affine_dependence): Remove parameter loop_nest_depth.
6468 (compute_self_dependence): Don't call compute_subscript_distance.
6469 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6470 Add a parameter for the loop_nest.
6471 (find_loop_nest_1, find_loop_nest): New.
6472 (compute_data_dependences_for_loop): Compute the loop nest, and give
6473 up if the nest is not well formed.
6474 * tree-data-ref.h (loop_p): New.
6475 (struct data_dependence_relation): Replace size_vect field with
6476 loop_nest, a vec of loops.
6477 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6478 (DDR_LOOP_NEST): New.
6479 (print_dir_vectors, print_dist_vectors,
6480 debug_data_dependence_relation): Declared.
6481 (index_in_loop_nest): New.
6482 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6483 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6486 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6488 * simplify-rtx.c (simplify_relational_operation): Call
6489 simplify_relational_operation_1 even if mode is VOIDmode.
6491 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6493 PR tree-optimization/26804
6494 * tree.h (DECL_CALL_CLOBBERED): New macro.
6495 (tree_decl_common): Add call_clobbered_flag.
6496 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6497 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6498 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6499 (mark_non_addressable): Ditto.
6500 * tree-ssa.c (verify_call_clobbered): New function.
6501 (verify_alias_info): Use it.
6502 * tree-pass.h (pass_reset_cc_flags): New prototype.
6503 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6504 (reset_cc_flags): New function.
6505 * passes.c (init_optimization_passes): Call reset_cc_flags after
6506 initializing referenced_vars.
6508 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6509 Roger Sayle <roger@eyesopen.com>
6512 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6513 to 1.0 for non-real operands. Implement A / A optimization for
6516 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6518 * config/i386/i386.c (size_cost): Correct the comment for
6519 cost of storing fp registers.
6520 (i386_cost): Likewise.
6521 (i486_cost): Likewise.
6522 (pentium_cost): Likewise.
6523 (pentiumpro_cost): Likewise.
6524 (k6_cost): Likewise.
6525 (athlon_cost): Likewise.
6526 (k8_cost): Likewise.
6527 (pentium4_cost): Likewise.
6528 (nocona_cost): Likewise.
6529 (generic64_cost): Likewise.
6530 (generic32_cost): Likewise.
6532 2006-03-24 Denis Chertykov <denisc@overta.ru>
6534 * config/avr/avr-protos.h (extra_constraint): Delete.
6535 (extra_constraint_Q): New declaration.
6536 * config/avr/constraints.md: New file.
6537 * config/avr/avr.md: Include it.
6538 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6539 (TMP_REGNO, ZERO_REGNO): Likewise.
6540 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6541 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6542 (extra_constraint): Delete.
6543 (extra_constraint_Q): Test for memory constraint 'Q'.
6544 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6545 (REG_CLASS_FROM_LETTER): Delete.
6546 (CONST_OK_FOR_LETTER_P): Delete.
6547 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6548 (EXTRA_CONSTRAINT): Delete.
6549 (TMP_REGNO): Delete.
6550 (ZERO_REGNO): Delete.
6552 2006-03-24 Jeff Law <law@redhat.com>
6554 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6555 directly. Call mark_new_vars_to_rename slightly earlier.
6557 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6559 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6561 (gen_compile_unit_die): Use new language types for Objective-C and
6563 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6564 DW_LANG_C_plus_plus.
6567 * config/t-darwin (crt3.o): Work around bug 26840.
6568 * config/darwin-crt3.c: Rewrite.
6569 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6571 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6573 * doc/invoke.texi: Document -femit-class-debug-always
6574 * common.opt: Add -femit-class-debug-always.
6576 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6578 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6579 index and base register.
6580 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6581 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6582 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6583 REGNO_OK_FOR_INDEX_P.
6584 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6586 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6587 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6588 REG_OK_FOR_BASE_P): Definitions removed.
6590 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6593 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6594 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6595 set yet or weren't marked as local yet.
6597 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6599 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6602 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6604 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6605 (rs6000_legitimate_small_data_p): Delete.
6606 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6607 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6608 and make static. Add forward declaration. Update uses.
6609 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6610 of offsettable_memref_p.
6611 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6612 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6614 2006-03-24 Jeff Law <law@redhat.com>
6616 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6617 around bug in immediate-use iterator.
6619 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6622 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6623 or __LITTLE_ENDIAN__.
6625 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6627 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6628 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6629 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6630 * config/sh/sh.opt (mdiv=): Amend description.
6631 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6632 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6633 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6634 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6635 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6636 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6637 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6638 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6639 TARGET_DIVIDE_CALL_FP.
6641 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6643 * haifa-sched.c (choose_ready): Fix type of the local variable.
6644 Move local variables. Add comment.
6645 (check_reg_live): Change signature. Make callable from debugger.
6646 * sched-int.h (check_reg_live): Update signature.
6647 * sched-ebb.c (check_reg_live): Update parameters.
6648 * sched-rgn.c (check_reg_live): Ditto.
6649 (region_head_or_leaf_p): Check pointer before dereferencing.
6650 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6651 before reload on optimization levels below 1.
6653 2006-03-23 Richard Henderson <rth@redhat.com>
6655 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6659 * config/alpha/predicates.md (local_symbolic_operand): Reject
6662 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6665 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6666 expressions which have overflowed constants.
6668 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6670 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6672 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6674 * cfgloopmanip.c (create_loop_notes): Removed.
6675 * final.c (final_scan_insn): Do not handle loop notes.
6676 * jump.c (squeeze_notes): Ditto.
6677 * cfglayout.c (skip_insns_after_block,
6678 duplicate_insn_chain): Ditto.
6679 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6681 * cfgloop.h (create_loop_notes): Declaration removed.
6683 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6685 * varasm.c (output_constant_pool): Restore fnname and fndecl
6687 (assemble_start_function): Adjust call accordingly.
6688 (assemble_end_function): Likewise.
6690 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6693 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6696 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6698 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6701 * system.h (ICE_EXIT_CODE): New macro.
6702 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6703 (diagnostic_action_after_output): Likewise.
6704 * gcc.c (fatal_ice): New function.
6705 (execute): Use it instead of fatal.
6706 (fancy_abort): Likewise.
6707 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6709 2006-03-22 Jeff Law <law@redhat.com>
6711 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6712 iv_analyze_result returning false.
6714 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6716 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6718 2006-03-22 Richard Henderson <rth@redhat.com>
6721 * except.c (duplicate_eh_regions_0): New.
6722 (duplicate_eh_region_1): Duplicate the children of the node as
6723 well as the node itself. Link them up properly.
6724 (duplicate_eh_region_2): Merge into ...
6725 (duplicate_eh_regions): ... here. Take copy_region argument, and
6726 copy only a sub-tree if asked. Simplify copying and fixup.
6727 (eh_region_outer_p): New.
6728 * except.h (duplicate_eh_regions): Update decl.
6729 (eh_region_outer_p): Declare.
6730 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6731 (lower_omp_master): Likewise.
6732 (lower_omp_ordered): Likewise.
6733 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6734 (move_stmt_r): Use it to remap labels. Handle recursion vs
6735 remap_decls_p properly.
6736 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6737 (find_outermost_region_in_block): New.
6738 (new_label_mapper): New.
6739 (move_sese_region_to_fn): Copy eh information to the new function
6741 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6743 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6746 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6748 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6749 into shared libraries.
6751 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6753 * doc/md.texi: Refer to i386/constraints.md instead of
6755 * config/i386/constraints.md: New file, extracted from...
6756 * config/i386/predicates.md: ...here.
6757 * config/i386/i386.md: Include constraints.md.
6759 2006-03-21 Jason Merrill <jason@redhat.com>
6761 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6764 * expr.c (init_block_move_fn): Force default visibility.
6765 (init_block_clear_fn): Likewise.
6766 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6767 * targhooks.c (default_external_stack_protect_fail): Likewise.
6769 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6771 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6772 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6773 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6774 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6775 (loadgp): Use mips_current_loadgp_style.
6776 (loadgp_noshared): New pattern.
6777 (sibcall_internal): Use MIPS_CALL.
6778 (sibcall_value_internal): Likewise.
6779 (sibcall_value_multiple_internal): Likewise.
6780 (call_internal): Likewise.
6781 (call_value_internal): Likewise.
6782 (call_value_multiple_internal): Likewise.
6783 (call_split): Use MIPS_CALL and add an 'S' constraint.
6784 (call_value_split): Likewise.
6785 (call_value_multiple_split): Likewise.
6786 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6787 (-mshared): New option.
6788 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6789 (mips_current_loadgp_style): Declare.
6790 * config/mips/mips.c (mips_classify_symbol): Avoid using
6791 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6792 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6793 TARGET_ABSOLUTE_ABICALLS.
6794 (override_options): Adjust comments. Improve the warning that is
6795 issued when -mabicalls and -G are used together.
6796 (mips_file_start): Remove comment.
6797 (mips_current_loadgp_style): New function.
6798 (mips_gnu_local_gp): New variable.
6799 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6801 (mips_output_function_prologue): Use mips_current_laodgp_style.
6802 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6803 the cprestore instruction.
6804 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6805 live for TARGET_ABSOLUTE_ABICALLS.
6806 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6807 (ASM_SPEC): Pass down -mshared and -mno-shared.
6808 (MIPS_CALL): New macro.
6809 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6811 * doc/invoke.texi (-mabicalls): Update documentation.
6812 (-mshared): Document.
6814 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6816 * config/ia64/unwind-hpux.c: New file.
6817 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6819 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6822 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6824 2006-03-21 Jeff Law <law@redhat.com>
6826 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6827 type conversions of a VR_VARYING source to a wider type.
6829 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6831 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6832 tm_file on Solaris 10 and later.
6833 (sparc64-*-solaris2*): Likewise.
6834 (sparc-*-solaris2*): Likewise.
6835 * config/sol26.h: Rename to config/sol2-6.h.
6836 * config/sol2-10.h: New file.
6838 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6841 * tree-ssa-pre.c (create_component_ref_by_pieces):
6844 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6847 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6848 return it immediately.
6850 2006-03-21 Michael Matz <matz@suse.de>
6852 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6854 (remove_arc, add_arc): Update num_out_arcs member.
6855 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6857 (cache_presence): New function.
6858 (compare_states_for_equiv): New function.
6859 (state_is_differed): Don't take number of outargs, adjust callers.
6860 Use new invariant for speeding up.
6861 (init_equiv_class): Create initial classes based on sorted
6863 (partition_equiv_class): Don't track out_arcs_num.
6864 (evaluate_equiv_classes): Call cache_presence on all states and
6867 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6869 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6870 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6871 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6872 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6874 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6875 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6876 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6877 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6878 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6880 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6881 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6882 (REGNO_REG_CLASS): ARGP is in PREGS.
6883 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6885 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6886 to deal with those addresses.
6887 * addresses.h: New file.
6888 * caller-save.c: Include "addresses.h".
6889 (init_caller_save): Use new base_reg_class function.
6890 * rtl-factoring.c: Include "addresses.h".
6891 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6892 * recog.c: Include "addresses.h".
6893 (preprocess_constraints): Use new base_reg_class function.
6894 * regrename.c: Include "addresses.h".
6895 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6896 functions. Keep track of a new var INDEX_CODE to compute valid
6898 (replace_oldest_value_addr): Likewise.
6899 (replace_oldest_value_mem): Use base_reg_class.
6900 * reload.c: Include "addresses.h".
6901 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6902 (find_reloads): Use new base_reg_class function.
6903 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6904 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6905 all callers and prototype changed.
6906 * reload1.c: Include "addresses.h".
6907 (maybe_fix_stack_asms): Use base_reg_class.
6908 * regclass.c: Include "addresses.h".
6909 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6910 (init_reg_autoinc): Use new base_reg_class function.
6911 (record_reg_classes): Likewise.
6912 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6913 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6914 Use new args to compute necessary class.
6916 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6917 regrename.o, rtl-factoring.o): Update dependencies.
6918 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6919 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6920 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6921 REG_OK_FOR_INDEX_P): Delete documentation.
6923 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6925 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6926 from V7 to V9 for Solaris 7 and above.
6928 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6930 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6931 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6932 argument pointers may not alias any other storage.
6933 * common.opt: Define option -fargument-noalias-anything.
6934 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6935 alias semantics is specified by flag_argument_noalias > 2.
6937 2006-03-20 Jeff Law <law@redhat.com>
6939 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6940 (pass_phi_only_cprop): Declare.
6941 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6943 * tree-ssa-dom.c (degenerate_phi_result): New function.
6944 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6945 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6946 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6947 (eliminate_degenerate_phis): Likewise.
6948 (pass_phi_only_cprop): New pass descriptor.
6949 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6950 support code. Callers updated.
6951 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6952 (store_copy_prop): Likewise.
6953 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6955 2006-03-20 Jason Merrill <jason@redhat.com>
6958 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6959 (push_visibility, pop_visibility): Likewise.
6960 * c-pragma.h: Declare them.
6962 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6964 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6966 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6967 parameter and use get_ebb_head_tail.
6968 (sh_md_init_global): Adjust uses of find_regmode_weight.
6970 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6972 * function.h (struct function) <x_tail_recursion_reentry>:
6973 Rename to x_stack_check_probe_note.
6974 (tail_recursion_reentry): Rename to stack_check_probe_note.
6975 * function.c: Replace tail_recursion_reentry with
6976 stack_check_probe_note everywhere.
6977 (expand_function_start): Only emit a note for
6978 stack_check_probe_note with -fstack-protect.
6979 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6981 * emit-rtl.c (remove_unnecessary_notes): Remove.
6982 (pass_remove_unnecessary_notes): Remove.
6983 * rtl.h (remove_unnecessary_notes): Remove prototype.
6984 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6985 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6986 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6988 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6991 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6992 (valid_in_set): Handle ARRAY_REF.
6993 Change "if min_variant or VH" to asserts.
6994 (create_component_ref_by_pieces): Handle ARRAY_REF.
6995 (create_expression_by_pieces): Likewise.
6996 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6998 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7000 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7001 is operand of switch, not str[0].
7003 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7005 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7006 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7008 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7010 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7011 end of insn_extra_address_constraint declaration.
7013 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7015 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7016 (no-sum-in-toc): Same.
7017 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7019 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7020 NO_FP_IN_TOC for -fPIC instead of mask.
7022 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7023 (BOOT_LDFLAGS): Delete.
7025 * config/rs6000/t-aix52: Same.
7027 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7028 (stmsi[345678]_power): New.
7030 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7032 * config/ia64/ia64.opt: Add empty line to end of file.
7034 2006-03-17 Richard Guenther <rguenther@suse.de>
7037 * builtins.c (get_pointer_alignment): For component style references
7038 adjust alignment to the component type alignment. Make sure
7039 to adjust alignment for component access of constants.
7041 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7043 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7046 2006-03-17 Paul Brook <paul@codesourcery.com>
7048 * doc/install.texi: Docuemnt --with-mode.
7049 * config.gcc: Add --with-mode for arm*-*-*.
7050 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7052 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7054 * sh.c (max_labelno_before_reorg): New variable.
7055 (sh_reorg): Initialize it.
7056 (find_barrier): Check max_labelno_before_reorg before using
7057 label_to_alignment. Take length of explicit alignment insns
7058 into account. When seeing a UNSPECV_CONST_END, return it.
7060 * sh.c (fixup_mova): Set mode of affected label to QImode.
7061 (untangle_mova): New function.
7062 (find_barrier): Use it. Check mode of label before decrementing
7064 (sh_reorg): Likewise.
7065 Set mode of all insns back to VOIDmode.
7067 * sh.c (MOVA_LABELREF): New macro.
7068 (mova_p, fixup_mova, sh_reorg): Use it.
7069 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7070 ADDR_DIFF_VEC matches mova.
7072 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7074 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7075 with ATTRIBUTE_UNUSED.
7077 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7079 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7080 pointer, instead of assuming it is possible to derive the
7081 correct args size from a call insn.
7083 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7085 * rtl.h (CONST_INT_P): Define.
7086 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7087 instead of GET_CODE(x) == CONST_INT.
7088 (vax_rtx_costs): Likewise.
7089 (vax_output_int_move): Likewise.
7090 (vax_output_int_add): Likewise.
7091 (legitimate_constant_address_p): Likewise.
7092 (index_term_p): Likewise.
7093 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7094 * config/vax/vax.md (and<mode>3): Likewise.
7095 (ashrsi3): Likewise.
7097 (movstricthi): Likewise.
7098 (movstrictqi): Likewise.
7099 (rotrsi3): Likewise.
7100 (five unnamed insns): Likewise.
7102 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7104 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7105 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7106 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7107 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7108 Pass to ASM_OUTPUT_DWARF_OFFSET.
7109 * dwarf2out.c (debug_frame_section): New.
7110 (output_call_frame_info): Use debug_frame_section. Pass it to
7111 dw2_asm_output_offset.
7112 (output_die): Pass appropriate section to dw2_asm_output_offset.
7113 (output_compilation_unit_header): Likewise.
7114 (output_pubnames): Likewise.
7115 (output_aranges): Likewise.
7116 (enum dw_val_class): Break dw_val_class_lbl_offset into
7117 dw_val_class_lineptr and dw_val_class_macptr.
7118 (add_AT_lbl_offset): Delete.
7119 (add_AT_lineptr): New.
7120 (add_AT_macptr): New.
7121 (AT_lbl): Expect a lineptr or macptr.
7122 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7123 (attr_checksum): Likewise.
7124 (same_dw_val_p): Likewise.
7125 (size_of_die): Likewise.
7126 (value_format): Likewise.
7127 (output_die): Likewise.
7128 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7130 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7131 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7132 * config/darwin-protos.h (darwin_file_start): New.
7133 (darwin_asm_output_dwarf_offset): New.
7134 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7135 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7137 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7138 if not EH section; simplify.
7139 (darwin_file_start): New.
7140 (darwin_asm_output_dwarf_offset): New.
7141 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7143 (DEBUG_INFO_SECTION): Likewise.
7144 (DEBUG_ABBREV_SECTION): Likewise.
7145 (DEBUG_ARANGES_SECTION): Likewise.
7146 (DEBUG_MACINFO_SECTION): Likewise.
7147 (DEBUG_LINE_SECTION): Likewise.
7148 (DEBUG_LOC_SECTION): Likewise.
7149 (DEBUG_PUBNAMES_SECTION): Likewise.
7150 (DEBUG_STR_SECTION): Likewise.
7151 (DEBUG_RANGES_SECTION): Likewise.
7152 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7153 (ASM_OUTPUT_DWARF_OFFSET): New.
7155 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7157 * config.gcc (tm_defines): Always add to previous value rather
7160 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7162 * config/mips/predicates.md (splittable_const_int_operand): New,
7163 split from move_operand.
7164 (splittable_symbolic_operand): New.
7165 (move_operand): Add commentary. Use splittable_const_int_operand.
7166 Inline mips_atomic_symbolic_constant_p.
7167 * config/mips/mips.md: Add combine splitters for handling moves
7168 of splittable_const_int_operands and splittable_symbolic_operands.
7169 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7170 (mips_split_symbol): Declare.
7171 (mips_move_integer): Declare.
7172 * config/mips/mips.c (mips_split_p): Make global.
7173 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7174 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7175 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7176 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7177 (mips_offset_within_object_p): Handle block symbols.
7178 (mips_atomic_symbolic_constant_p): Delete.
7179 (mips_cannot_force_const_mem): Return false for constants that
7180 mips_legitimize_move can handle.
7181 (mips_use_blocks_for_constant_p): New function.
7182 (mips_split_symbol): Make global.
7183 (mips_move_integer): Likewise. Add a temporary register argument.
7184 (mips_legitimize_const_move): Use splittable_const_int_operand and
7185 splittable_symbolic_operand.
7186 (mips_use_anchors_for_symbol_p): New function.
7187 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7188 (mips_split_p): Declare.
7190 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7192 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7193 (mips*-*-linux*): Likewise.
7195 2006-03-16 Roger Sayle <roger@eyesopen.com>
7196 Daniel Speyer <dspeyer@wam.umd.edu>
7199 * tree-dump.c (dump_real): New function.
7200 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7201 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7202 (tree-dump.o): Add $(REAL_H) to the dependencies.
7204 2006-03-16 Roger Sayle <roger@eyesopen.com>
7207 * real.c (real_from_string): If the mantissa is zero, don't bother
7208 parsing the exponent as the result should always be zero.
7210 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7212 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7214 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7216 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7217 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7218 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7219 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7220 ia64_sched_finish_global): New static functions to implement
7221 hooks from gcc_target.sched.
7222 (spec_check_no, max_uid, pending_data_specs): New static variables.
7223 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7224 ia64_spec_check_src_p): New static functions.
7225 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7226 (TARGET_SCHED_ADJUST_COST): Removed.
7227 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7228 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7229 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7230 TARGET_SCHED_GEN_CHECK,
7231 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7232 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7233 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7234 Fixed to handle speculation checks.
7235 (rtx_needs_barrier): Fixed to handle speculative loads and
7237 (ia64_variable_issue): Added code to count speculative loads and their
7239 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7241 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7243 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7245 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7246 (ia64_reorg): Reset stops_p to NULL after it is freed.
7247 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7248 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7249 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7251 (data_speculative, control_speculative, check_load): New attributes.
7252 (mov<mode>_advanced, mov<mode>_speculative,
7253 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7254 zero_extend<mode>di2_speculative,
7255 zero_extend<mode>di2_speculative_advanced): New patterns for
7256 data and control speculative loads.
7257 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7259 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7260 New pattern for data and control speculation checks.
7261 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7262 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7263 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7264 Auxiliary definitions for the patterns.
7265 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7266 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7268 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7270 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7271 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7272 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7273 New resource constraints.
7274 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7276 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7277 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7278 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7279 msched-in-control-spec, msched-ldc, msched-control-ldc,
7280 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7281 msched-prefer-non-control-spec-insns,
7282 msched-count-spec-in-critical-path): New flags to tune speculative
7284 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7285 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7286 msched-in-control-spec, msched-ldc, msched-control-ldc,
7287 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7288 msched-prefer-non-control-spec-insns,
7289 msched-count-spec-in-critical-path): Document new flags.
7291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7293 * target.h (struct spec_info_def): New opaque declaration.
7294 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7295 speculate_insn, needs_block_p, gen_check,
7296 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7297 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7298 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7299 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7300 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7301 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7303 (TARGET_SCHED): Use new macros.
7304 * rtl.h (copy_DEPS_LIST_list): New prototype.
7305 * sched-int.h (struct sched_info): Change signature of new_ready field,
7306 adjust all initializations. New fields: add_remove_insn,
7307 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7308 region_head_or_leaf_p.
7309 (struct spec_info_def): New structure declaration.
7310 (spec_info_t): New typedef.
7311 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7312 recovery_block, orig_pat.
7313 (glat_start, glat_end): New variables declaraions.
7314 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7316 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7317 DETACH_LIFE_INFO, USE_GLAT.
7318 (enum SPEC_SCHED_FLAGS): New enumeration.
7319 (NOTE_NOTE_BB_P): New macro.
7320 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7321 attach_life_info, debug_spec_status, check_reg_live): New functions.
7322 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7323 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7325 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7326 * ddg.c (get_block_head_tail): Adjust all uses.
7327 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7328 (sms_sched_info): Initialize new fields.
7329 (contributes_to_priority): Removed.
7330 * haifa-sched.c (params.h): New include.
7331 (get_block_head_tail): Adjust all uses.
7332 (ISSUE_POINTS): New macro.
7333 (glat_start, glat_end): New global variables.
7334 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7335 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7336 old_last_basic_block, before_recovery, current_sched_info_var,
7337 rgn_n_insns, luid): New static variables.
7338 (insn_cost1): New function. Move logic from insn_cost to here.
7339 (find_insn_reg_weight1): New function. Move logic from
7340 find_insn_reg_weight to here.
7341 (reemit_notes, move_insn, max_issue): Change signature.
7342 (move_insn1): Removed.
7343 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7344 extend_bb): New static functions to support extension of scheduler's
7346 (generate_recovery_code, process_insn_depend_be_in_spec,
7347 begin_speculative_block, add_to_speculative_block,
7348 init_before_recovery, create_recovery_block, create_check_block_twin,
7349 fix_recovery_deps): New static functions to support
7350 generation of recovery code.
7351 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7352 restore_bb_notes, move_block_after_check, move_succs): New static
7353 functions to support ebb scheduling.
7354 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7355 functions to support handling of register live information.
7356 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7357 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7358 add_jump_dependencies): New static functions.
7359 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7360 consistancy checking.
7361 (debug_spec_status): New function to call from debugger.
7362 (priority): Added code to handle speculation checks.
7363 (rank_for_schedule): Added code to distinguish speculative instructions.
7364 (schedule_insn): Added code to handle speculation checks.
7365 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7366 Fixed to handle ebbs.
7367 (move_insn): Added code to handle ebb scheduling.
7368 (max_issue): Added code to use ISSUE_POINTS of instructions.
7369 (choose_ready): Added code to choose between speculative and
7370 non-speculative instructions.
7371 (schedule_block): Added code to handle ebb scheduling and scheduling of
7372 speculative instructions.
7373 (sched_init): Initialize new variables.
7374 (sched_finish): Free new variables. Print statistics.
7375 (try_ready): Added code to handle speculative instructions.
7376 * lists.c (copy_DEPS_LIST_list): New function.
7377 * sched-deps.c (extend_dependency_caches): New function. Move logic
7378 from create_dependency_caches to here.
7379 (get_dep_weak, ds_merge): Make global.
7380 * genattr.c (main): Code to output prototype for
7381 dfa_clear_single_insn_cache.
7382 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7383 (output_dfa_clean_insn_cache_func): Code to output
7384 dfa_clear_single_insn_cache function.
7385 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7387 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7389 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7390 New static variables.
7391 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7392 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7394 (ebb_sched_info): Initialize new fields.
7395 (get_block_head_tail): Adjust all uses.
7396 (compute_jump_reg_dependencies): Fixed to use glat_start.
7397 (schedule_ebb): Code to remove unreachable last block.
7398 (schedule_ebbs): Added code to update register live information.
7399 * sched-rgn.c (region_sched_info): Initialize new fields.
7400 (get_block_head_tail): Adjust all uses.
7401 (last_was_jump): Removed. Adjust users.
7402 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7403 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7404 Implement new hooks.
7405 (check_dead_notes1): New static function.
7406 (struct region): New fields: dont_calc_deps, has_real_ebb.
7407 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7408 (BB_TO_BLOCK): Fixed to handle EBBs.
7409 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7410 (ebb_head): New static variable.
7411 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7412 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7414 (compute_dom_prob_ps): New assertion.
7415 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7416 global_live_at_start.
7417 (init_ready_list): New assertions.
7418 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7419 (new_ready): Add support for BEGIN_CONTROL speculation.
7420 (schedule_insns): Fixed code that updates register live information
7422 (schedule_region): Fixed to handle EBBs.
7423 (init_regions): Use extend_regions and check_dead_notes1.
7424 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7425 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7426 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7427 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7428 TARGET_SCHED_GEN_CHECK,
7429 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7430 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7431 * doc/invoke.texi (max-sched-insn-conflict-delay,
7432 sched-spec-prob-cutoff): Document.
7434 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7436 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7437 inter_tick, queue_index.
7438 (struct sched_info): Change signature of init_ready_list field.
7439 Adjust all initializations.
7440 (RESOLVED_DEPS): New access macro.
7441 (ready_add): Remove prototype.
7442 (try_ready): Add prototype.
7443 * sched-rgn.c (init_ready_list): Use try_ready.
7444 (schedule_region): Initialize
7445 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7446 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7447 (init_ready_list): Use try_ready.
7448 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7449 * lists.c (remove_list_elem): Remove `static'.
7450 (remove_free_INSN_LIST_elem): New function.
7451 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7452 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7453 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7455 (readyp): New variable.
7456 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7457 change_queue_index, resolve_dep): New static functions.
7458 (try_ready): New function. Adjust callers in sched-rgn.c and
7459 sched-ebb.c to use it instead of ready_add.
7460 (clock_var): Move at the begining of file.
7461 (rank_for_schedule): Fix typo.
7462 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7463 (ready_lastpos): Enforce assertion.
7464 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7466 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7467 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7468 (queue_to_ready): Use free_INSN_LIST_list.
7469 (early_queue_to_ready): Fix typo.
7470 (schedule_block): Init readyp. Move init_ready_list call after the
7471 initialization of clock_var. Fix error in rejecting insn by
7472 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7473 that previously corrected INSN_TICKs. Add code for handling
7475 (set_priorities): Fix typo.
7476 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7477 Clarify comment and code that keeps current_sched_info->next_tail
7480 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7482 * sched-rgn.c (extend_rgns): New static function.
7483 (find_rgns): Use it.
7484 (gather_region_statistics, print_region_statistics): New static
7486 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7487 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7489 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7490 Andrey Belevantsev <abel@ispras.ru>
7492 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7493 * lists.c (unused_deps_list): New variable.
7494 (free_list): Add assertions to verify the proper distinguishing
7495 between INSN_LISTs and DEPS_LISTs.
7496 (find_list_elem, remove_list_elem, remove_list_node): New static
7498 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7499 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7500 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7501 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7503 (free_INSN_LIST_node): Likewise.
7504 * modulo-sched.c (current_sched_info): Initialize flags field.
7505 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7506 * rtl.def (DEPS_LIST): Define.
7507 * rtl.h: Declare new functions from lists.c.
7508 * sched-deps.c (spec_dependency_cache): New static variable.
7509 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7510 (add_dependence): Change return type to void. Move the logic to ...
7511 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7512 (delete_all_dependences): Add comment about forward_dependency_cache.
7513 Handle spec_dependency_cache. Handle DEPS_LISTs.
7514 (fixup_sched_groups): Clarify the change of priority of output
7515 and anti dependencies.
7516 (sched_analyze_2): Adjust add_dependence calls to create data
7517 speculative dependence.
7518 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7519 Adjust all callers. Handle DEPS_LISTS.
7520 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7521 presence of speculation.
7522 (init_dependency_caches, free_dependency_caches):
7523 Handle spec_dependency_cache.
7524 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7525 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7526 New static functions.
7527 (add_or_update_back_dep, add_or_update_back_forw_dep,
7528 add_back_forw_dep, delete_back_forw_dep): New functions.
7529 * sched-int.h (ds_t, dw_t): New typedefs.
7530 (struct sched_info): Add new field flags.
7531 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7532 Prototype new sched-deps.c functions.
7533 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7534 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7535 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7536 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7537 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7538 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7540 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7542 * sched-rgn.c (current_sched_info): Initialize flags field.
7543 (schedule_insns): Initialize current_sched_info before the sched_init
7545 * sched-ebb.c (current_sched_info): Initialize flags field.
7546 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7547 Call add_or_update_back_dep instead of add_dependence.
7548 Create control speculative dependencies.
7549 (schedule_insns): Initialize current_sched_info before the sched_init
7552 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7554 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7556 (sh_fallback_frame_state): Likewise.
7558 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7560 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7561 Do switch on default_use_cxa_atexit.
7562 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7563 * config/darwin-crt3.o: New.
7564 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7565 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7566 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7568 * config/rs6000/t-darwin: Move crt2.o building to here.
7569 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7570 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7573 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7575 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7576 from '! xxx' to '!xxx' for coding-style conformance.
7577 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7578 (EXTRA_CONSTRAINT): Likewise.
7579 * config/vax/vax.md (four unnamed insns): Likewise.
7581 2006-03-15 Paul Brook <paul@codesourcery.com>
7583 * config/arm/arm.c (minipool_pad): New.
7584 (add_minipool_forward_ref): Include pool alignment padding in address
7586 (push_minipool_fix): Set minipool_pad.
7587 (minipool_pad): Ditto.
7589 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7591 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7592 instead of GET_CODE() == MEM and REG_P() instead of
7594 (print_operand_address): Likewise.
7595 (vax_address_cost): Likewise.
7596 (vax_rtx_costs): Likewise.
7597 (vax_notice_update_cc): Likewise.
7598 (vax_output_int_add): Likewise.
7599 (INDEX_REGISTER_P): Likewise.
7600 (BASE_REGISTER_P): Likewise.
7601 (nonindexed_address_p): Likewise.
7602 (vax_mode_dependent_address_p): Likewise.
7603 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7604 (PRINT_OPERAND): Likewise.
7605 * config/vax/vax.md (ashlsi3): Likewise.
7606 (ashlsi3): Likewise.
7607 (some more unnamed insns): Likewise.
7609 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7611 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7612 iterator-style macro.
7613 (mark_control_dependent_edges_necessary): Update the use of
7614 EXECUTE_IF_CONTROL_DEPENDENT.
7616 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7618 * config/sh/predicates.md (cache_address_operand): Special.
7619 (ua_address_operand): Likewise.
7621 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7623 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7625 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7627 2006-03-15 Andreas Schwab <schwab@suse.de>
7629 * gensupport.c (identify_predicable_attribute): Don't free p_false
7630 when it is still in use.
7632 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7634 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7635 the default setting here.
7637 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7639 * tree-pass.h (pass_cfg): Remove.
7640 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7641 * passes.c (pass_cfg): Don't run it.
7643 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7645 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7646 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7648 (stack_regs_mentioned): Update the uses of
7649 stack_regs_mentioned_data. Don't access the array beyond its
7651 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7652 Don't include gt-reg-stack.h.
7654 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7655 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7657 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7660 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7663 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7665 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7667 2006-03-14 Richard Guenther <rguenther@suse.de>
7669 PR tree-optimization/26672
7670 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7673 2006-03-14 Richard Guenther <rguenther@suse.de>
7675 PR tree-optimization/26667
7676 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7677 node for the callees. Always allow inlining if it will shrink
7680 2006-03-14 Richard Guenther <rguenther@suse.de>
7683 * builtins.c (get_pointer_alignment): Prefer alignment
7684 information from decls over that from types.
7686 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7689 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7691 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7693 * config/rs6000/rs6000.opt (mdlmzb): New option.
7694 (msched-prolog, msched-epilog): Use Var not Mask.
7695 * doc/invoke.texi (-mdlmzb): Document.
7696 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7698 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7699 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7701 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7703 PR rtl-optimization/25739
7704 * bt-load.c (augment_live_range): Free tos pointer.
7706 * gensupport.c (identify_predicable_attribute): Free
7708 * gcov.c (create_file_names): Free name pointer.
7710 2006-03-13 Roger Sayle <roger@eyesopen.com>
7713 * stmt.c (emit_case_nodes): Handle the case where the index is a
7714 CONST_INT, where the comparison mode is specified by the index type.
7716 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7718 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7721 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7723 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7724 (*branch_fp_inverted): Likewise.
7726 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7729 * omp-low.c (expand_omp_for_generic): Mark istart0
7730 and iend0 as addressable.
7732 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7734 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7736 2006-03-13 Jeff Law <law@redhat.com>
7738 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7739 virtual operands are interesting.
7740 (vrp_visit_stmt): Corresponding changes.
7742 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7744 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7746 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7747 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7748 * config/bfin/crti.S: Use it instead of __PIC__.
7749 * config/bfin/crtn.S: Likewise.
7751 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7752 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7754 Lose 'G' modifier for call operand.
7755 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7756 recognize 'G' modifier.
7758 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7761 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7762 * stmt.c (expand_case): Likewise.
7764 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7766 PR rtl-optimization/26254
7767 * loop-invariant.c (seq_insns_valid_p): New function.
7768 (move_invariant_reg): Only emit new code if it is valid.
7770 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7772 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7774 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7775 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7776 (commit_one_edge_insertion): Do not look for loop notes.
7778 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7780 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7781 flag_test_coverage out of loop.
7783 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7785 * final.c (shorten_branches): Remove outdated comment, and turn
7786 the if branch that guards it to continue.
7788 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7790 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7791 * cfgloop.h (struct loop): Remove unused fields.
7793 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7795 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7796 (-dL, -fdump-rtl-loop2): Update the dump file names
7798 * doc/invoke.texi: Update dump file names.
7800 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7802 * predict.c (estimate_probability): Remove.
7803 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7804 * basic-block.h (estimate_probability): Remove prototype.
7805 * passes.c (finish_optimization_passes): Dump branch prediction or
7806 profiling heuristics to the .profile tree dump.
7807 (init_optimization_passes): Unqueue pass_branch_prob.
7809 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7811 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7813 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7814 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7816 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7818 * function.h (frame_offset_overflow): Declare.
7819 * function.c (frame_offset_overflow): New function.
7820 (assign_stack_local_1): Call it to detect that the offset overflows.
7821 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7823 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7825 * config/sh/sh.c: Include alloc-pool.h.
7826 (label_ref_list_pool): New alloc pool.
7827 (label_ref_list_t): New type for lists of labels.
7828 (struct pool_node): Make wend a label_ref_list_t.
7829 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7831 (dump_table): Likewise.
7832 (sh_reorg): Set up the alloc pool before using add_constant and
7833 dump_table, and destroy it when finishing.
7835 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7837 * config/mips/mips.c: Remove redundant comment.
7839 2006-03-10 Jason Merrill <jason@redhat.com>
7842 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7843 the target was declared 'register'.
7845 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7847 * genpreds.c (write_insn_constraint_len): Change definition of
7848 insn_constraint_len to return size_t to match the declaration.
7850 2006-03-10 DJ Delorie <dj@redhat.com>
7852 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7854 (m32c_expand_insv): Fix test for an AND mask.
7856 2006-03-10 Richard Guenther <rguenther@suse.de>
7859 * builtins.c (get_pointer_alignment): Handle component
7860 references for field alignment.
7862 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7864 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7865 when building with libgloss.
7866 (sh*elf): Implement --without-fp option.
7867 (sh64-superh-linux*): Don't multilib.
7869 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7871 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7873 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7875 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7876 Set it when one of the replacement functions returned true.
7877 Return TODO_cleanup_cfg if cfgchanged is true.
7878 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7880 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7882 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7883 instead of gen_lowpart.
7885 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7887 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7889 (mips_output_order_conditional_branch): Declare.
7890 * config/mips/mips.h (MIPS_BRANCH): New macro.
7891 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7892 for the comparison. Use gen_condjump.
7893 (mips_output_conditional_branch): Rework interface to take the
7894 asm templates for a direct branch and the inverse of a direct branch.
7895 (mips_output_order_conditional_branch): New function.
7896 (mips_builtin_branch_and_move): New function.
7897 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7898 branch condition. Use gen_single_cc as the condition for
7899 __builtin_mips_upper_* or __builtin_mips_lower_*.
7900 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7901 Use VOIDmode for the branch condition.
7902 * config/mips/predicates.md (order_operator): New predicate.
7903 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7904 (branch_fp): Rename to...
7905 (*branch_fp): ...this. Remove mode from comparison operator.
7906 Use new mips_output_conditional_branch interface.
7907 (branch_fp_inverted): Rename to...
7908 (*branch_fp_inverted): ...this and update as for *branch_fp.
7909 (*branch_zero<mode>): Rename to...
7910 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7911 Use mips_output_order_conditional_branch. Only accept ordered
7913 (*branch_zero<mode>_inverted): Rename to...
7914 (*branch_order<mode>_inverted): ...this and update as for
7915 *branch_order<mode>.
7916 (*branch_equality<mode>): Accept zero as the second operand to
7917 the equality operator. Use the new mips_output_conditional_branch
7919 (*branch_equality<mode>_inverted): Likewise.
7920 (condjump): New expander.
7921 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7923 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7924 (bc1any2t, bc1any2f): Likewise.
7925 (single_cc): New expander.
7926 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7928 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7930 * doc/md.texi: Update documentation of MIPS constraints.
7931 * config/mips/constraints.md: New file.
7932 * config/mips/mips.md: Include it.
7933 * config/mips/mips.c (mips_char_to_class): Delete.
7934 (override_options): Don't initialize mips_char_to_class.
7935 * config/mips/mips.h (mips_char_to_class): Delete.
7936 (REG_CLASS_FROM_LETTER): Delete.
7937 (CONST_OK_FOR_LETTER_P): Delete.
7938 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7939 (EXTRA_CONSTRAINT_Y): Delete.
7940 (EXTRA_CONSTRAINT_STR): Delete.
7941 (CONSTRAINT_LEN): Delete.
7942 (EXTRA_MEMORY_CONSTRAINT): Delete.
7944 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7946 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7947 original fn's eh regions.
7949 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7951 * fold-const.c (build_range_check): Make sure to use a valid type to
7952 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7955 (range_predecessor): New static function.
7956 (range_successor): Likewise.
7957 (merge_ranges): Use them to compute predecessors and successors of
7960 2006-03-09 Roger Sayle <roger@eyesopen.com>
7963 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7964 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7966 2006-03-08 DJ Delorie <dj@redhat.com>
7968 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7969 (addpsi3): Expand to include memory operands. Remove
7970 reload-specific splits.
7971 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7972 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7973 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7974 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7975 (shift1_qi, shift1_hi, insv): New.
7976 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7977 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7978 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7980 * config/m32c/m32c-protos.h: Update as needed.
7981 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7982 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7983 Fail for unrecognized R* constraints.
7984 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7985 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7986 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7988 (m32c_init_libfuncs): New.
7989 (m32c_legitimate_address_p): Add debug wrapper.
7990 (m32c_rtx_costs): New.
7991 (m32c_address_cost): New.
7992 (conversions): Add 'B' prefix.
7993 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7994 operands, or word regnames for QI operands. 'B' prints bit
7996 (m32c_expand_setmemhi): New.
7997 (m32c_expand_movmemhi): New.
7998 (m32c_expand_movstr): New.
7999 (m32c_expand_cmpstr): New.
8000 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8001 (m32c_expand_neg_mulpsi3): Handle non-ints.
8002 (m32c_cmp_flg_0): New.
8003 (m32c_expand_movcc): New.
8004 (m32c_expand_insv): New.
8005 (m32c_scc_pattern): New.
8006 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8007 a0/a1 out of SIregs.
8008 (STORE_FLAG_VALUE): New.
8009 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8012 * config/m32c/mov.md: Make constraints more liberal.
8013 (zero_extendqihi2): Optimize r0/r1 case.
8014 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8015 * config/m32c/predicates.md (m32c_any_operand): New.
8016 (m32c_nonimmediate_operand): New.
8017 (m32c_hl_operand): New.
8018 (m32c_r3_operand): New.
8021 (memsym_operand): New.
8022 (memimmed_operand): New.
8023 (a_qi_operand): New.
8024 (m32c_eqne_operator): New.
8025 (m32c_1bit8_operand): New.
8026 (m32c_1bit16_operand): New.
8027 (m32c_1mask8_operand): New.
8028 (m32c_1mask16_operand): New.
8029 * config/m32c/blkmov.md: New file.
8030 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8032 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8034 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8035 unsigned to fix signed/unsigned comparison issue in
8036 DWARF2_FRAME_REG_OUT.
8037 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8038 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8040 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8041 of ptr into the ENABLE_CHECKING section.
8043 2006-03-08 Jeff Law <law@redhat.com>
8045 * tree-vrp.c (infer_value_range): Only count pointer uses
8046 and dereferences if -fdelete-null-pointer-checks is enabled.
8048 * tree-vrp.c (find_assert_locations): Infer value ranges for
8049 single use pointers, but do not create ASSERT_EXPRs for them.
8050 When a non-null range is inferred for a pointer, backwards
8051 propagate that range to other equivalent pointers through the
8054 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8057 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8058 language hook targets.
8059 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8060 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8061 if language hook targets were missing.
8063 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8065 * tree-ssa-opfinalize.h: Removed.
8066 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8068 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8069 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8070 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8071 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8072 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8073 finalize_ssa_v_must_def_ops): New.
8075 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8077 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8080 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8082 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8084 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8085 addresses with offsets; reorganize.
8087 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8088 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8089 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8091 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8094 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8096 2006-03-08 Ben Elliston <bje@au.ibm.com>
8098 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8100 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8103 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8106 2006-03-07 Richard Guenther <rguenther@suse.de>
8108 PR tree-optimization/26587
8109 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8111 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8113 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8115 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8117 * hooks.c (hook_bool_mode_rtx_true): New function.
8118 * hooks.h (hook_bool_mode_rtx_true): Declare.
8119 * toplev.c (compile_file): Call output_shared_constant_pool.
8120 * varasm.c (shared_constant_pool): New variable.
8121 (assemble_start_function, assemble_end_function): Remove arguments
8122 from call to output_constant_pool.
8123 (create_constant_pool): New function, split out from...
8124 (init_varasm_status): ...here.
8125 (force_const_mem): Choose between the shared and per-function constant
8126 pools. Set current_function_uses_const_pool when reusing old entries
8127 as well as when creating new ones.
8128 (mark_constant): Ignore data argument.
8129 (mark_constants): Remove pool argument.
8130 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8131 to decide whether the function uses a constant pool.
8132 (output_constant_pool_contents): New function, split out from...
8133 (output_constant_pool): ...here.
8134 (output_shared_constant_pool): New function.
8135 (init_varasm_once): Initialize shared_constant_pool.
8136 * output.h (output_constant_pool): Delete.
8137 (output_shared_constant_pool): Declare.
8138 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8139 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8141 2006-03-06 Nick Clifton <nickc@redhat.com>
8143 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8144 flag_strength_reduce.
8146 2006-03-06 Ben Elliston <bje@au.ibm.com>
8148 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8149 x86_64-*-linux* configurations.
8151 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8152 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8154 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8156 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8158 * basic-block.h: Remove the extern for
8159 rediscover_loops_after_threading.
8161 * cfgloop.c (cancel_loop): Make it static.
8162 * cfgloop.h: Remove the prototype for cancel_loop.
8164 * flow.c (recompute_reg_usage): Make it static.
8165 * rtl.h: Remove the prototype for recompute_reg_usage.
8167 * function.c (use_return_register): Make it static.
8168 * function.h: Remove the prototype.
8170 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8172 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8174 * recog.h: Remove the prototype for
8175 validate_change_maybe_volatile.
8177 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8179 * rtlanal.c (replace_reg): Remove.
8180 * rtl.h: Remove the prototype for replace_reg.
8182 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8184 * regclass.c (reg_scan_update): Remove.
8185 (reg_scan_mark_refs): Remove the last argument.
8186 * rtl.h: Remove the prototype for reg_scan_update.
8188 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8190 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8191 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8192 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8193 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8194 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8195 loop-invariant.c, omp-low.c, opts.c, passes.c,
8196 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8197 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8198 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8199 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8200 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8201 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8203 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8205 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8206 * dwarf2out.h: Remove the prototype for
8207 dwarf2out_add_library_unit_info.
8209 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8211 * tree.c (add_var_to_bind_expr): Remove.
8212 * tree.h: Remove the prototype for add_var_to_bind_expr.
8214 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8216 * regclass.c (n_non_fixed_regs): Remove.
8217 (init_reg_sets_1, globalize_reg): Remove all uses of
8219 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8221 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8223 * rtlanal.c (insns_safe_to_move_p): Remove.
8224 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8226 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8228 * expmed.c (expand_mult_add): Remove.
8229 * expr.h: Remove the prototype for expand_mult_add.
8231 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8233 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8234 and REG_SAVED_VAL_EXP constants.
8235 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8236 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8237 Handle regs stored by value.
8238 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8239 (execute_cfa_program): Handle DW_CFA_val_offset,
8240 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8241 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8242 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8243 (uw_install_context_1): Handle target regs stored by value.
8245 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8247 * tree-sra.c (tree_sra): Return todoflags;
8248 (generate_one_element): Set TODO_update_smt_usage if needed.
8249 (pass_sra): Remove TODO_update_smt_usage.
8250 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8252 (tree_ssa_forward_propagate_single_use_vars): Return
8253 TODO_update_smt_usage if we need to update SMT usage.
8254 (pass_forwprop): Remove TODO_update_smt_usage.
8256 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8258 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8259 (correct_use_link): Remove reference to get_stmt_operands.
8260 (update_stmt_operands): Likewise.
8261 (get_modify_expr_operands): New function factored out of
8262 parse_ssa_operands and get_expr_operands.
8263 Try to create V_MUST_DEFs for LHS by default.
8264 (get_expr_operands) <case MODIFY_EXPR>: Call
8265 get_modify_expr_operands.
8266 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8267 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8268 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8269 get_modify_expr_operands.
8271 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8273 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8274 * tree-flow.h: Remove the prototype for
8275 referenced_var_lookup_if_exists.
8277 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8279 PR rtl-optimization/26345
8281 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8283 2006-03-03 Roger Sayle <roger@eyesopen.com>
8285 PR tree-optimization/26524
8286 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8287 fold_convert to create a constant of the appropriate type.
8289 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8291 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8292 SYMBOL_REF_IN_BLOCK_P.
8293 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8294 of SYMBOL_FLAG_IN_BLOCK.
8295 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8296 instead of SYMBOL_REF_IN_BLOCK_P.
8297 * explow.c (use_anchored_address): Likewise.
8298 * rtl.c (rtx_size): Likewise.
8299 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8300 instead of SYMBOL_FLAG_IN_BLOCK.
8301 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8302 SYMBOL_REF_IN_BLOCK_P.
8303 (assemble_variable): Likewise.
8304 (output_constant_def_contents): Likewise.
8305 (output_constant_pool): Likewise.
8306 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8307 instead of SYMBOL_FLAG_IN_BLOCK.
8308 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8309 SYMBOL_REF_IN_BLOCK_P.
8310 (SYMBOL_REF_BLOCK): Likewise.
8311 (SYMBOL_REF_OFFSET): Likewise.
8312 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8313 SYMBOL_REF_IN_BLOCK_P.
8314 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8315 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8316 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8317 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8319 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8321 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8323 2006-03-02 Roger Sayle <roger@eyesopen.com>
8325 * simplify-rtx.c (simplify_unary_operation): When simplifying
8326 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8327 that we perform the right shift in the appropriate mode, and
8328 then extend or truncate the result to requested mode.
8330 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8332 * gengtype.c (main): Handle double_int type.
8333 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8334 * double-int.c: New file.
8335 * double-int.h: New file.
8336 * system.h: Include doubleint.h.
8337 * Makefile.in (SYSTEM_H): Include double-int.h.
8338 (double-int.o): Add.
8340 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8343 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8346 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8348 * tree-vrp.c (remove_range_assertions): Do not update statements
8351 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8353 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8355 * gcse.c (rest_of_handle_gcse): Ditto.
8356 * except.c (gate_handle_eh): Ditto.
8357 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8358 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8360 2006-03-02 Eric Christopher <echristo@apple.com>
8362 * config/i386/i386.c (machopic_output_stub): Add indirection to
8365 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8369 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8371 Sun Niagara specific optimizations.
8372 * config.gcc: Recognize niagara as target.
8373 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8374 (TARGET_CPU_niagara): Define.
8375 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8376 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8377 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8378 (ASM_CPU_SPEC): Likewise.
8379 (PROCESSOR_NIAGARA): New enum entry.
8380 (REGISTER_MOVE_COST): Handle Niagara.
8381 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8382 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8383 (sparc_override_options): Recognize "niagara", set appropriate
8384 default MASK_* values for it, and align functions to 32-bytes
8385 by default just like ULTRASPARC/ULTRASPARC3.
8386 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8387 (sparc64_initialize_trampoline): Likewise.
8388 (sparc_use_sched_lookahead): Use zero for niagara.
8389 (sparc_issue_rate): Use one for niagara.
8390 * config/sparc/niagara.md: New file.
8391 * config/sparc/sparc.md: Include it.
8392 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8393 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8394 when default cpu is niagara.
8395 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8396 (ASM_CPU_SPEC): Likewise.
8397 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8398 when default cpu is niagara.
8399 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8400 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8401 just like v9/ultrasparc/ultrasparc3.
8402 * doc/invoke.texi: Add documentation for "niagara" and improve
8403 existing documentation for ultrasparc variants.
8405 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8407 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8409 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8411 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8412 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8413 and say that only one is needed.
8414 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8415 * target.h (have_switchable_bss_sections): New hook.
8416 * explow.c (use_anchored_address): Check that the symbol is in a block.
8417 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8418 (bss_noswitch_section): New variables.
8419 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8420 (get_noswitch_section): New function.
8421 (get_block_for_section): Allow SECT to be null.
8422 (unlikely_text_section_p): Use SECTION_STYLE.
8423 (bss_initializer_p): New function.
8424 (get_variable_section): Move earlier in file. Take a new argument,
8425 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8426 Return one of the new *_sections in such cases.
8427 (get_block_for_decl): New function, extracting some logic from
8428 use_blocks_for_decl_p.
8429 (change_symbol_section): Remove in favor of...
8430 (change_symbol_block): ...this new function.
8431 (use_blocks_for_decl_p): Remove checks now performed by
8433 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8434 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8435 (emit_local, emit_bss, emit_common): ...these new functions.
8436 Return true if the alignment was honored.
8437 (emit_tls_common): New function.
8438 (asm_emit_uninitialised): Delete.
8439 (assemble_variable_noswitch): New function, split out from...
8440 (assemble_variable): ...here. Don't make decisions about common
8441 variables here. Globalize all public decls that go into non-common
8442 sections. Check whether SYMBOL_REF_BLOCK is null.
8443 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8444 (output_constant_pool): Likewise.
8445 (init_varasm_once): Initialize the new section variables.
8446 (have_global_bss_p): New function.
8447 (categorize_decl_for_section): Use bss_initializer_p.
8448 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8449 (place_block_symbol): Assert that the symbol must be in a block.
8450 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8451 (TARGET_INITIALIZER): Include it.
8452 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8453 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8454 (SECTION_MACH_DEP): Bump by two.
8455 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8456 (unnamed_section): Mention SECTION_UNNAMED in comment.
8457 (named_section): Likewise SECTION_NAMED.
8458 (noswitch_section_callback): New type.
8459 (noswitch_section): New structure.
8460 (section): Add a noswitch_section alternative.
8461 (SECTION_STYLE): New macro.
8462 (tls_comm_section, comm_section, lcomm_section): Declare.
8463 (bss_noswitch_section, have_global_bss_p): Declare.
8464 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8465 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8467 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8468 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8471 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8473 * tree-vrp.c (execute_vrp): Return value.
8474 * regrename.c (rest_of_handle_regrename): Ditto.
8475 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8476 * tree-complex.c (tree_lower_complex): Ditto.
8477 (tree_lower_complex_O0): Ditto.
8478 * tracer.c (rest_of_handle_tracer): Ditto.
8479 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8480 * postreload.c (rest_of_handle_postreload): Ditto.
8481 * tree-tailcall.c (execute_tail_recursion): Ditto.
8482 (execute_tail_calls): Ditto.
8483 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8484 * tree.h (init_function_for_compilation): Ditto.
8485 * ipa-cp.c (ipcp_driver): Ditto.
8486 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8487 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8488 * final.c (compute_alignments): Ditto.
8489 (rest_of_handle_final): Ditto.
8490 (rest_of_handle_shorten_branches): Ditto.
8491 (rest_of_clean_state): Ditto.
8492 * omp-low.c (execute_expand_omp): Ditto.
8493 (execute_lower_omp): Ditto.
8494 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8495 * ipa-reference.c (static_execute): Ditto.
8496 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8497 * reorg.c (rest_of_handle_delay_slots): Ditto.
8498 (rest_of_handle_machine_reorg): Ditto.
8499 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8500 * flow.c (recompute_reg_usage): Ditto.
8501 (rest_of_handle_remove_death_notes): Ditto.
8502 (rest_of_handle_life): Ditto.
8503 (rest_of_handle_flow2): Ditto.
8504 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8505 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8506 (do_ssa_store_ccp): Ditto.
8507 (execute_fold_all_builtins): Ditto.
8508 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8509 * modulo-sched.c (rest_of_handle_sms): Ditto.
8510 * ipa-pure-const.c (static_execute): Ditto.
8511 * cse.c (rest_of_handle_cse): Ditto.
8512 (rest_of_handle_cse2): Ditto.
8513 * web.c (rest_of_handle_web): Ditto.
8514 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8515 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8516 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8517 * tree-nrv.c (tree_nrv): Ditto.
8518 (execute_return_slot_opt): Ditto.
8519 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8520 (create_structure_vars): Ditto.
8521 * loop-init.c (rtl_loop_init): Ditto.
8522 (rtl_loop_done): Ditto.
8523 (rtl_move_loop_invariants): Ditto.
8524 (rtl_unswitch): Ditto.
8525 (rtl_unroll_and_peel_loops): Ditto.
8526 (rtl_doloop): Ditto.
8527 * gimple-low.c (lower_function_body): Ditto.
8528 (mark_used_blocks): Ditto.
8529 * tree-ssa-sink.c (execute_sink_code): Ditto.
8530 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8531 (cgraph_early_inlining): Ditto.
8532 * global.c (rest_of_handle_global_alloc): Ditto.
8533 * jump.c (cleanup_barriers): Ditto.
8534 (purge_line_number_notes): Ditto.
8535 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8536 (rest_of_handle_if_after_reload): Ditto.
8537 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8538 (tree_ssa_loop_im): Ditto.
8539 (tree_ssa_loop_unswitch): Ditto.
8540 (tree_vectorize): Ditto.
8541 (tree_linear_transform): Ditto.
8542 (tree_ssa_loop_ivcanon): Ditto.
8543 (tree_ssa_empty_loop): Ditto.
8544 (tree_ssa_loop_bounds): Ditto.
8545 (tree_complete_unroll): Ditto.
8546 (tree_ssa_loop_prefetch): Ditto.
8547 (tree_ssa_loop_ivopts): Ditto.
8548 (tree_ssa_loop_done): Ditto.
8549 * predict.c (tree_estimate_probability): Ditto.
8550 * recog.c (split_all_insns_noflow): Ditto.
8551 (rest_of_handle_peephole2): Ditto.
8552 (rest_of_handle_split_all_insns): Ditto.
8553 * tree-eh.c (lower_eh_constructs): Ditto.
8554 * regmove.c (rest_of_handle_regmove): Ditto.
8555 (rest_of_handle_stack_adjustments): Ditto.
8556 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8557 * function.c (instantiate_virtual_regs): Ditto.
8558 (init_function_for_compilation): Ditto.
8559 (rest_of_handle_check_leaf_regs): Ditto.
8560 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8561 (rest_of_handle_gcse): Ditto.
8562 * ipa-type-escape.c (type_escape_execute): Ditto.
8563 * alias.c (rest_of_handle_cfg): Ditto.
8564 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8565 * profile.c (rest_of_handle_branch_prob): Ditto.
8566 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8567 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8568 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8569 * tree-dfa.c (find_referenced_vars): Ditto.
8570 * except.c (set_nothrow_function_flags): Ditto.
8571 (convert_to_eh_region_ranges): Ditto.
8572 (rest_of_handle_eh): Ditto.
8573 * emit-rtl.c (unshare_all_rtl): Ditto.
8574 (remove_unnecessary_notes): Ditto.
8575 * except.h (set_nothrow_function_flags): Ditto.
8576 (convert_to_eh_region_ranges): Ditto.
8577 * cfgexpand.c (tree_expand_cfg): Ditto.
8578 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8579 * tree-ssa-pre.c (do_pre): Ditto.
8580 (execute_fre): Ditto.
8581 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8582 (rest_of_handle_jump2): Ditto.
8583 * tree-sra.c (tree_sra): Ditto.
8584 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8585 (execute_mudflap_function_decls): Ditto.
8586 * tree-ssa-copy.c (do_copy_prop): Ditto.
8587 (do_store_copy_prop): Ditto.
8588 * ipa-prop.h (ipcp_driver): Ditto.
8589 * cfglayout.c (insn_locators_initialize): Ditto.
8590 * tree-ssa-forwprop.c
8591 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8592 * cfglayout.h (insn_locators_initialize): Ditto.
8593 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8594 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8595 (execute_late_warn_uninitialized): Ditto.
8596 * rtl.h (cleanup_barriers): Ditto.
8597 (split_all_insns_noflow): Ditto.
8598 (purge_line_number_notes): Ditto.
8599 (unshare_all_rtl): Ditto.
8600 (remove_unnecessary_notes): Ditto.
8601 (recompute_reg_usage): Ditto.
8602 (variable_tracking_main): Ditto.
8603 * integrate.c (emit_initial_value_sets): Ditto.
8604 * integrate.h (emit_initial_value_sets): Ditto.
8605 * tree-optimize.c (execute_free_datastructures): Ditto
8606 (execute_free_cfg_annotations): Ditto.
8607 (execute_fixup_cfg): Ditto.
8608 (execute_cleanup_cfg_pre_ipa): Ditto.
8609 (execute_cleanup_cfg_post_optimizing): Ditto.
8610 (execute_init_datastructures): Ditto.
8611 * tree-object-size.c (compute_object_sizes): Ditto.
8612 * combine.c (rest_of_handle_combine): Ditto.
8613 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8614 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8615 (rest_of_handle_reorder_blocks): Ditto.
8616 (rest_of_handle_partition_blocks): Ditto.
8617 * var-tracking.c (variable_tracking_main): Ditto.
8618 * tree-profile.c (tree_profiling): Ditto.
8619 * tree-vect-generic.c (expand_vector_operations): Ditto.
8620 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8621 * sched-rgn.c (rest_of_handle_sched): Ditto.
8622 (rest_of_handle_sched2): Ditto.
8623 * basic-block.h (free_bb_insn): Ditto.
8624 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8625 * tree-cfg.c (execute_build_cfg): Ditto.
8626 (remove_useless_stmts): Ditto.
8627 (split_critical_edges): Ditto.
8628 (execute_warn_function_return): Ditto.
8629 (execute_warn_function_noreturn): Ditto.
8630 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8631 * cfgrtl.c (free_bb_for_insn): Ditto.
8632 * passes.c (execute_one_pass): Run additional
8633 todos returned by execute function.
8634 * tree-pass.h (struct tree_opt_pass): Make execute
8637 2006-03-02 Richard Guenther <rguenther@suse.de>
8639 * tree-ssa-alias.c (find_used_portions): Consider taking
8640 the address as making the variable not write-only.
8642 2006-03-02 Nick Clifton <nickc@redhat.com>
8644 * config.gcc (default_use_cxa_atexit): Extend the description of
8645 this configure variable. Set its default value to "yes" for
8646 Linux, NetBSD and ELF targets on the assumption that they will
8647 use C libraries with the __cxa_atexit function.
8649 2006-03-02 Ben Elliston <bje@au.ibm.com>
8651 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8652 parameter as unused to suppress a build warning.
8654 2006-03-02 Ben Elliston <bje@au.ibm.com>
8656 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8659 2006-03-01 Roger Sayle <roger@eyesopen.com>
8662 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8663 declared name, the weak reference name, and the typeof name.
8664 (__gthrw): Avoid expanding the declared name suffix.
8665 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8667 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8669 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8671 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8672 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8673 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8674 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8675 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8676 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8677 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8678 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8679 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8680 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8681 (DW_END_default, DW_END_big, DW_END_little): New.
8682 (DW_END_lo_user, DW_END_hi_user): Define.
8683 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8684 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8685 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8688 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8690 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8692 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8694 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8696 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8698 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8699 to 'symbol_mem_tag'.
8701 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8704 2006-03-01 Roger Sayle <roger@eyesopen.com>
8706 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8708 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8711 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8712 MACHO_DYNAMIC_NO_PIC_P.
8713 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8715 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8718 * config/darwin-protos.h (darwin_asm_output_anchor):
8720 * config/darwin-sections.def (cstring_section):
8721 Add SECTION_MERGE to the flags.
8722 (literal4_section): Likewise.
8723 (literal8_section): Likewise.
8724 (objc_selector_refs_section): Likewise.
8725 (objc_cls_refs_section): Likewise.
8726 * config/darwin.c (darwin_asm_output_anchor): New
8728 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8730 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8732 Fix PR tree-optimization/26443
8733 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8734 to todo and PROP_tmt_usage to properties_destroyed.
8735 * tree-ssa-ccp.c (pass_ccp): Ditto.
8736 (pass_store_ccp): Ditto.
8737 * tree-ssa-dom.c (pass_dominator): Ditto.
8739 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8741 * tree-ssa-operands.c: Cleanup whitespace.
8742 (get_asm_expr_operands): Move before first invocation.
8743 (get_indirect_ref_operands): Likewise.
8744 (get_tmr_operands): Likewise.
8745 (get_call_expr_operands): Likewise.
8746 (append_def): Likewise.
8747 (append_use): Likewise.
8748 (append_v_may_def): Likewise.
8749 (append_v_must_def): Likewise.
8750 (add_call_clobber_ops): Likewise.
8751 (add_call_read_ops): Likewise.
8752 (add_stmt_operand): Likewise.
8753 (add_virtual_operand): Likewise.
8754 (build_ssa_operands): Likewise.
8756 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8761 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8762 with a call expr to ...
8763 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8765 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8767 * tree-vrp.c (extract_range_from_assert): Remove special
8768 handling for types with super-types.
8770 2006-03-01 Ben Elliston <bje@au.ibm.com>
8772 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8773 and powerpc64-*-linux* configurations.
8774 * config/t-dfprules: New file.
8776 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8777 Compile dfp-bit.c from the source directory using -DWIDTH and
8778 $DFP_CFLAGS to control the compilation of that file, rather than
8779 generating width-specific versions in the build directory.
8780 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8781 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8783 2006-02-28 Zack Weinberg <zackw@panix.com>
8785 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8788 2006-02-28 Eric Christopher <echristo@apple.com>
8790 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8791 Set up IN_LIBGCC definition of TARGET_64BIT.
8792 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8794 2006-02-28 Roger Sayle <roger@eyesopen.com>
8797 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8798 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8799 cases via the construction of "expr != 0".
8801 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8803 * alias.c (alias_invariant, alias_invariant_size): Remove.
8804 (record_base_value): Remove.
8805 (memrefs_conflict_p): Don't look at alias_invariant.
8806 (end_alias_analysis): Don't free it.
8807 * alias.h (record_base_value): Remove prototype.
8809 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8810 Adam Nemet <anemet@caviumnetworks.com>
8812 * rtl.h (truncated_to_mode): Declare it.
8813 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8814 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8815 (RTL_HOOKS_INITIALIZER): Include it.
8816 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8817 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8818 reg_truncated_to_mode.
8819 * rtlanal.c (truncated_to_mode): Define it.
8820 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8822 2006-02-28 Jeff Law <law@redhat.com>
8824 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8825 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8826 the range allowed by TYPE_PRECISION.
8828 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8830 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8832 PR tree-optimization/26419
8833 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8836 2006-02-27 Zack Weinberg <zackw@panix.com>
8838 * doc/md.texi: Fix typo in previous change.
8840 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8844 2006-02-27 Zack Weinberg <zackw@panix.com>
8846 * rtl.def (define_constraint, define_register_constraint)
8847 (define_memory_constraint, define_address_constraint): New MD forms.
8848 * gensupport.c (process_rtx): Put define_constraint etc on the
8850 * genpreds.c (process_define_predicate): Adjust comment. Validate
8851 the name, and call validate_exp to validate the expression.
8852 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8853 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8854 all callers changed.
8855 (validate_exp, needs_variable, struct constraint_data)
8856 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8857 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8858 (const_dbl_constraints, constraint_max_namelen)
8859 (have_register_constraints, have_memory_constraints)
8860 (have_address_constraints, have_address_constraints)
8861 (have_extra_constraints, have_const_int_constraints)
8862 (have_const_dbl_constraints, mangle, add_constraint)
8863 (process_define_constraint, process_define_register_constraint)
8864 (write_enum_constraint_num, write_lookup_constraint)
8865 (write_insn_constraint_len, write_regclass_for_constraint)
8866 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8867 (write_insn_extra_memory_constraint)
8868 (write_insn_extra_address_constraint)
8869 (write_satisfies_constraint_fns): New.
8870 (write_tm_preds_h): If we have new-style constraint definitions,
8871 prototype the functions generated from them, and define the
8872 old constraint interface (still used by generic code) in terms of
8874 (write_insn_preds_c): If we have new-style constraint definitions,
8875 generate all relevant functions from those definitions.
8876 (main): Handle define_constraint etc.
8877 * genoutput.c (struct constraint_data, indep_constraints)
8878 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8879 (mdep_constraint_len): New data structures and functions, defined
8880 #ifdef USE_MD_CONSTRAINTS.
8881 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8882 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8883 use new logic to validate operand constraints against constraint
8885 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8887 * defaults.h: If none of the old-style constraint macros are
8888 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8889 old-style macros; and poison REG_CLASS_FROM_LETTER,
8890 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8892 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8893 * doc/md.texi: Document new constraint-definition mechanism and the
8894 C interface it provides. Remove references to old mechanism
8895 elsewhere in the document.
8896 (Machine Constraints): Use pathnames relative to gcc directory,
8897 i.e. config/ARCH/FILE. Change i386 section to refer to
8898 config/i386/predicates.md; update that section to match docstrings.
8899 * doc/tm.texi: Move all documentation of the old constraint-
8900 definition macros to their own section, clearly mark as obsolete.
8902 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8903 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8905 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8906 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8907 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8909 (splits and peepholes): Use satisfies_constraint_*.
8910 * config/i386/i386.c (memory_address_length)
8911 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8913 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8915 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8916 scalar operation to be put back into the loop.
8918 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8921 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8922 (extract_cie_info): Handle S flag in augmentation string.
8923 (execute_cfa_program): If context->signal_frame, execute also
8924 fs->pc == context->ra instructions.
8925 (uw_frame_state_for): If context->signal_frame, don't subtract one
8926 from context->ra to find FDE.
8927 (uw_update_context_1): Set context->signal_frame to
8929 (_Unwind_GetIPInfo): New function.
8930 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8931 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8933 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8934 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8935 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8936 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8937 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8938 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8939 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8940 x86_64_fallback_frame_state): Set fs->signal_frame.
8941 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8942 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8943 (frob_update_context): Likewise. Workaround missing S flag in
8944 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8945 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8946 Remove the psw_addr + 1 hack.
8948 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8950 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8951 with aggregates here.
8952 (find_func_aliases): Remove code for &<aggregate> from here.
8954 2006-02-26 Roger Sayle <roger@eyesopen.com>
8956 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8957 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8958 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8961 2006-02-26 Roger Sayle <roger@eyesopen.com>
8964 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8966 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8968 * opts.c (decode_options): Do not handle flag_strength_reduce.
8969 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8970 and OPT_fstrength_reduce.
8971 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8972 flag_prefetch_loop_arrays for being nonzero.
8973 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8975 (fprefetch-loop-arrays-rtl): Removed.
8976 (flag_prefetch_loop_arrays): Do not specify the value.
8978 * doc/passes.texi: Update documentation of loop optimizer
8980 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8981 -frerun-loop-opt): Remove.
8983 2006-02-26 Richard Guenther <rguenther@suse.de>
8985 PR tree-optimization/26421
8986 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8987 in function calls that are ADDR_EXPRs as using the whole structure.
8989 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8991 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8992 * tree-pass.h (pass_loop_optimize): Remove.
8993 * passes.c (pass_loop_optimize): Never run it.
8994 * toplev.c (backend_init): Don't call init_loop.
8995 * opts.c (flag_loop_optimize_set): Remove.
8996 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8997 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8998 the old RTL loop optimizer when profiling enabled.
8999 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9000 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9001 pre-headers for the sake of the old RTL loop optimizer.
9002 * Makefile.in: Remove all references to loop.o.
9004 * doc/invoke.texi: Remove all references to -floop-optimize
9005 and -frerun-loop-opt.
9007 2006-02-26 Zack Weinberg <zackw@panix.com>
9009 * doc/md.texi (Machine Constraints): Refer to all files with paths
9010 relative to gcc directory (i.e. config/CPU/file). Add missing
9011 @table @code ... @end table to M32C subsection.
9013 2006-02-26 Roger Sayle <roger@eyesopen.com>
9015 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9017 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9019 2006-02-26 Roger Sayle <roger@eyesopen.com>
9020 James A. Morrison <phython@gcc.gnu.org>
9023 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9024 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9025 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9026 signedness of the shift operation.
9028 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9030 PR tree-optimization/26359
9031 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9033 2006-02-25 Roger Sayle <roger@eyesopen.com>
9035 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9036 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9037 as X == 0, and some symmetry related transformations.
9038 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9040 2006-02-25 Roger Sayle <roger@eyesopen.com>
9043 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9044 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9045 symmetry related transformations. Fold (X^C1) == C2 as
9048 2006-02-25 Juergen Weigert <jw@suse.de>
9049 Richard Guenther <rguenther@suse.de>
9051 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9053 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9055 * combine.c (gen_lowpart_or_truncate): Call
9056 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9058 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9060 * doc/invoke.texi: Move -fopenmp description to "Options for
9062 Remove reference to -lgomp.
9064 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9066 * doc/install.texi: Require GNU tar version 1.14.
9068 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9070 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9071 * doc/invoke.texi (C++ Dialect Options): Document
9072 -fno-use-cxa-get-exception-ptr.
9073 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9074 * configure: Regenerate.
9075 * c.opt (fuse-cxa-get-exception-ptr): New.
9076 * c-opts.c (c_common_handle_option): Handle
9077 OPT_fuse_cxa_get_exception_ptr.
9078 * c-common.c (flag_use_cxa_atexit): Update documentation.
9079 (flag_use_cxa_get_exception_ptr): New.
9080 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9081 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9083 (C_COMMON_OVERRIDE_OPTIONS): New.
9085 2006-02-24 Roger Sayle <roger@eyesopen.com>
9088 * combine.c (try_combine): Explicitly check whether GET_CODE is
9089 a SET or a CLOBBER, instead on checking that it isn't a USE.
9091 2006-02-24 Roger Sayle <roger@eyesopen.com>
9093 * fold-const.c (fold_comparison): New subroutine of fold_binary
9094 containing transformations common to both the equality and
9095 ordering relational operators, factored out of fold_binary.
9096 (fold_binary): Separate out the equality operators (EQ_EXPR
9097 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9098 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9099 transformations common to both.
9100 (fold_div_compare): Fix latent bugs in the previously unreachable
9101 LT_EXPR and GE_EXPR cases.
9103 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9105 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9106 decl libname for clog to __clog on AIX.
9108 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9110 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9113 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9114 output traceback table for thunks. Localise rs6000_stack_info call.
9116 2006-02-23 Roger Sayle <roger@eyesopen.com>
9117 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9119 * gthr-posix.h (__gthrw): Fix typo in comment.
9121 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9123 * doc/cpp.texi (Character sets): Document that we do support
9124 input files to be in any character set.
9126 2006-02-23 Jeff Law <law@redhat.com>
9128 * tree.h (PHI_ARG_NONZERO): Remove.
9129 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9130 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9131 node to the new node.
9133 PR tree-optimization/26425
9134 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9135 min/max, then assume its varying.
9137 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9139 PR rtl-optimization/26316
9140 * rtlanal.c (enum may_trap_p_flags): New.
9141 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9142 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9143 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9144 (may_trap_after_code_motion_p): New function.
9145 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9146 (find_invariant_insn): Use may_trap_after_code_motion_p.
9147 * rtl.h (may_trap_after_code_motion_p): Declare.
9149 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9151 * emit-rtl.c (immed_double_const): Cleanup.
9153 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9155 Fix PR tree-optimization/26376
9156 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9159 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9162 * gimplify.c (omp_add_variable): Guard variable size decl test with
9163 DECL_SIZE (decl) check.
9165 2006-02-23 Richard Guenther <rguenther@suse.de>
9168 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9169 like aggregate types.
9171 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9173 * configure.ac: Add --with{,out}-long-double-128 configure option.
9174 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9175 * configure: Rebuilt.
9176 * config.in: Rebuilt.
9177 * doc/install.texi (Options specification): Document
9178 --with-long-double-128.
9180 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9181 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9182 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9183 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9185 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9187 * config/s390/s390.c (override_options): Handle
9188 TARGET_DEFAULT_LONG_DOUBLE_128.
9190 * config/alpha/alpha.c (override_options): Handle
9191 TARGET_DEFAULT_LONG_DOUBLE_128.
9193 * config/sparc/sparc.c (sparc_override_options): Handle
9194 TARGET_DEFAULT_LONG_DOUBLE_128.
9196 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9198 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9199 (real-install-headers-tar, real-install-headers-cpio)
9200 (real-install-headers-cp): New targets.
9202 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9204 * tree.h (variable_section): Delete.
9205 * varasm.c (variable_section): Delete.
9207 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9209 * install.texi: Add notes on install.texi2html.
9210 (Building in parallel): Do not use footnotes.
9212 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9215 * doc/install.texi (Configuration): Document --disable-libgomp.
9217 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9219 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9221 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9223 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9224 (vec_extractv2df_0_sse): New.
9226 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9228 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9229 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9230 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9231 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9232 to the result of the expression.
9233 (def_cfa_1): Adjust.
9234 (frame_pointer_cfa_offset): Rename to...
9235 (frame_pointer_fb_offset): ... this. Adjust all uses.
9236 (convert_cfa_to_loc_list): Rename to...
9237 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9238 Pass it on to build_cfa_loc.
9239 (compute_frame_pointer_to_cfa_displacement): Rename to...
9240 (compute_frame_pointer_to_fb_displacement): ... this. New
9241 offset parameter. Use it in computation.
9242 (gen_subprogram_die): Compute cfa_fb_offset with the new
9243 macro, and use it to compute the fb loc list and the
9246 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9248 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9249 replaced with register_operand.
9250 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9251 non-DREG is expensive.
9252 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9253 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9256 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9258 * doc/install.texi2html: Use set -e.
9260 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9262 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9263 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9264 * doc/invoke.texi (-fshared-data): Delete.
9265 * common.opt (fshared-data): Delete.
9266 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9267 (assemble_static_space): Remove #if 0 code.
9268 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9269 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9270 * config/cris/cris.h: Remove FIXME.
9272 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9274 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9277 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9280 * combine.c (simplify_shift_const_1): Disable nested shifts
9281 optimization for vector shifts.
9283 2006-02-20 Roger Sayle <roger@eyesopen.com>
9285 PR tree-optimization/26361
9286 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9287 of unsigned integer types.
9289 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9291 * tree-chrec.c (eq_evolutions_p): New.
9292 * tree-chrec.h (eq_evolutions_p): Declared.
9293 * tree-data-ref.c: Fix formatting.
9294 (datadep_stats, dependence_stats): New.
9296 (print_direction_vector): New.
9297 (dump_data_dependence_relation): Use print_direction_vector.
9298 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9299 (compute_subscript_distance): Static.
9300 (initialize_data_dependence_relation): Static. Get the number
9301 of loops surrounding the references from the callers, and initialize
9302 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9303 base_object_differ_p analyzers.
9304 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9305 compute_overlap_steps_for_affine_1_2,
9306 analyze_subscript_affine_affine): Count the classified dependences.
9307 Print a message when a test failed.
9308 (can_use_analyze_subscript_affine_affine): New.
9309 (analyze_siv_subscript): Compute the data dependences on symbolic
9310 scevs that verify can_use_analyze_subscript_affine_affine.
9311 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9312 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9313 Handle symbolic scevs.
9314 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9316 (subscript_dependence_tester): Moved...
9317 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9318 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9319 DDR_SIZE_VECT instead of getting it in parameter.
9320 (subscript_dependence_tester): ... here. Take as a parameter
9321 loop_nest_depth. Call build_classic_dist_vector and
9322 build_classic_dir_vector.
9323 (compute_affine_dependence): Update subscript_dependence_tester
9324 parameters. Update datadep_stats counters. Call
9325 compute_subscript_distance.
9326 (compute_self_dependence): Save the dist and dir vectors. Call
9327 compute_subscript_distance.
9328 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9329 (compute_all_dependences): Reorder parameters as they were before
9330 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9331 compute_subscript_distance. Update the use of
9332 compute_affine_dependence and initialize_data_dependence_relation.
9333 (find_data_references_in_loop): Handle COMPONENT_REF.
9334 (compute_data_dependences_for_loop): Initialize dependence_stats.
9335 Don't call build_classic_dist_vector and build_classic_dir_vector.
9336 Update the parameters of initialize_data_dependence_relation and
9337 compute_all_dependences. Print the statistics from datadep_stats.
9338 (analyze_all_data_dependences): Static. Not used until the pass for
9339 checking the data dependences is contributed.
9340 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9341 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9342 (initialize_data_dependence_relation, compute_affine_dependence,
9343 analyze_all_data_dependences, compute_subscript_distance): Removed.
9344 (print_direction_vector): New.
9345 * lambda.h (gcd): ... here.
9346 (lambda_vector_gcd): Moved here from gcd_vector.
9347 * lambda-code.c (gcd, gcd_vector): Removed.
9348 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9349 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9351 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9353 * ipa-type-escape.c: Tidy some comments and white space.
9354 * tree-ssa-operands.c: Likewise.
9356 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9359 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9360 (dump_decl_name): Do not walk the decl tree chains.
9361 * tree-pass.h (TDF_CHAIN): Remove.
9363 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9365 * Makefile.in (C): Remove
9367 (.PHONY): Remove C and PROTO
9369 2006-02-20 Roger Sayle <roger@eyesopen.com>
9372 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9373 deprecated CHAR_TYPE tree code.
9375 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9377 * configure.ac (target_list): Add install-info, dvi, html.
9378 * configure: Regenerate.
9380 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9381 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9382 treelang/Make-lang.in: Do not use double-colon rules.
9384 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9386 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9387 (TMT_USED_ALONE): New macro.
9388 * tree-pass.h (PROP_tmt_usage): New property.
9389 (TODO_update_tmt_usage): New todo.
9390 * tree-ssa-alias.c (updating_used_alone): New variable.
9391 (recalculate_used_alone): New function.
9392 (compute_may_aliases): Set updating_used_alone, call
9393 recalculate_used_alone.
9394 * tree-sra.c (pass_sra): Note that this pass destroys
9395 PROP_tmt_usage, and add TODO_update_tmt_usage.
9396 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9397 * tree-flow.h (updating_used_alone): Prototype.
9398 (recalculate_used_alone): Ditto.
9399 * passes.c (execute_todo): Add code to set updating_used_alone,
9400 and call recalculate.
9401 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9402 for clobber if used alone, and add assert to verify used_alone
9405 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9407 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9408 for non tls symbols added.
9409 (legitimize_address): Do nothing for PLUS expressions if one of the
9410 addends is a tls symbol reference.
9412 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9416 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9418 * Makefile.in (BOOTSTRAPPING): New.
9419 (quickstrap): New definition if BOOTSTRAPPING=yes.
9421 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9422 * configure.ac: Substitute all_selected_languages with the languages
9423 that were configured. For all the other variables except
9424 lang_specs_files, include all the languages in the tree.
9425 * configure: Regenerate.
9427 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9428 if there is one. Run the commands to run fixincludes in the same
9431 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9432 * doc/install.texi: Document exact conventions for searching target tools.
9433 Document --with-build-time-tools. Document toplevel bootstrap. Document
9434 something more about building an Ada cross-compiler. Don't list GNU Make
9435 requirements which affect all platforms.
9437 2006-02-19 Roger Sayle <roger@eyesopen.com>
9440 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9441 only equivalent if the have both the same mode and precision.
9443 2006-02-20 Ben Elliston <bje@au.ibm.com>
9445 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9447 2006-02-19 Roger Sayle <roger@eyesopen.com>
9448 Steven Bosscher <stevenb.gcc@gmail.com>
9450 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9451 constant pool references to identify stack mode constants.
9452 * rtlanal.c (constant_pool_constant_p): New predicate to check
9453 whether operand is a floating point constant in the pool.
9454 * rtl.h (constant_pool_constant_p): Prototype here.
9455 * loop.c (scan_loop): Avoid hoisting constants from the constant
9456 pool on STACK_REGS targets.
9457 (load_mems): Likewise.
9458 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9459 loads into x87 registers expensive in terms of register pressure.
9461 2006-02-19 Roger Sayle <roger@eyesopen.com>
9463 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9464 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9466 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9468 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9469 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9471 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9473 * doc/invoke.texi: Document -fipa-pta.
9474 * common.opt: Add ipa-pta option.
9475 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9476 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9477 (do_ds_constraint): Ditto.
9478 (get_constraint_for): Only add to referenced_vars if
9479 referenced_vars exists.
9480 (insert_into_field_list): Rewrite to do this unsorted.
9481 (insert_into_field_list_sorted): Rename old insert_into_field_list
9483 (create_function_info_for): Use insert_into_field_list_sorted.
9484 (create_variable_info_for): Rewrite so it uses unsorted version,
9485 since the field list is sorted.
9486 (intra_create_variable_infos): Only add to referenced_vars if
9487 referenced_vars exists.
9488 (ipa_pta_execute): Init heapvars, and delete when done.
9489 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9491 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9493 * doc/install.texi: Add missing `@samp'.
9495 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9497 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9500 2006-02-18 Mark Wielaard <mark@klomp.org>
9502 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9503 who added new 4.1 features, bug fixes and integration support.
9505 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9508 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9511 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9513 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9514 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9515 (copy_insn_1): Likewise. Don't copy each field individually.
9517 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9519 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9520 * rtl.c (rtx_size): Rename variable to...
9521 (rtx_code_size): ...this.
9522 (rtx_size): New function.
9523 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9524 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9526 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9527 * rtl.h (rtx_code_size): New variable.
9528 (rtx_size): Change from a variable to a function.
9529 (RTX_SIZE): Rename to...
9530 (RTX_CODE_SIZE): ...this.
9533 PR tree-optimization/17106
9534 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9535 (Anchored Addresses): New section.
9536 * doc/invoke.texi (-fsection-anchors): Document.
9537 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9538 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9539 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9540 * hooks.c (hook_bool_mode_rtx_false): New function.
9541 * hooks.h (hook_bool_mode_rtx_false): Declare.
9542 * gengtype.c (create_optional_field): New function.
9543 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9544 SYMBOL_REF_IN_BLOCK_P is true.
9545 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9546 (min_anchor_offset, max_anchor_offset): Likewise.
9547 (use_anchors_for_symbol_p): New hook.
9548 * toplev.c (compile_file): Call output_object_blocks.
9549 (target_supports_section_anchors_p): New function.
9550 (process_options): Check that -fsection-anchors is only used on
9551 targets that support it and when -funit-at-a-time is in effect.
9552 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9553 if the decl doesn't have one.
9554 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9555 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9556 of force_const_mem through use_anchored_address.
9557 (expand_expr_constant): New function.
9558 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9559 calling expand_expr for INDIRECT_REF.
9560 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9561 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9562 * expr.h (use_anchored_address): Declare.
9563 * loop-unroll.c: Don't declare rtx vectors here.
9564 * explow.c: Include output.h.
9565 (validize_mem): Call use_anchored_address.
9566 (use_anchored_address): New function.
9567 * common.opt (-fsection-anchors): New switch.
9568 * varasm.c (object_block_htab, anchor_labelno): New variables.
9569 (hash_section, object_block_entry_eq, object_block_entry_hash)
9570 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9571 (use_blocks_for_decl_p, change_symbol_section): New functions.
9572 (get_variable_section): New function, split out from assemble_variable.
9573 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9574 use_blocks_for_decl_p say so. Use change_symbol_section if the
9575 symbol has already been created.
9576 (assemble_variable_contents): New function, split out from...
9577 (assemble_variable): ...here. Don't output any code for
9578 block symbols; just pass them to place_block_symbol.
9579 Use get_variable_section and assemble_variable_contents.
9580 (get_constant_alignment, get_constant_section, get_constant_size): New
9581 functions, split from output_constant_def_contents.
9582 (build_constant_desc): Create a block symbol if use_object_blocks_p
9583 says so. Or into SYMBOL_REF_FLAGS.
9584 (assemble_constant_contents): New function, split from...
9585 (output_constant_def_contents): ...here. Don't output any code
9586 for block symbols; just pass them to place_section_symbol.
9587 Use get_constant_section and get_constant_alignment.
9588 (force_const_mem): Create a block symbol if use_object_blocks_p and
9589 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9590 (output_constant_pool_1): Add an explicit alignment argument.
9591 Don't switch sections here.
9592 (output_constant_pool): Adjust call to output_constant_pool_1.
9593 Switch sections here instead. Don't output anything for block symbols;
9594 just pass them to place_block_symbol.
9595 (init_varasm_once): Initialize object_block_htab.
9596 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9597 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9598 (place_block_symbol, get_section_anchor, output_object_block)
9599 (output_object_block_htab, output_object_blocks): New functions.
9600 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9601 (TARGET_ASM_OUT): Include it.
9602 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9603 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9604 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9605 (TARGET_INITIALIZER): Include them.
9606 * rtl.c (rtl_check_failed_block_symbol): New function.
9607 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9608 (block_symbol, object_block): New structures.
9609 (rtx_def): Add a block_symbol field to the union.
9610 (BLOCK_SYMBOL_CHECK): New macro.
9611 (rtl_check_failed_block_symbol): Declare.
9612 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9613 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9614 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9615 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9616 * output.h (output_section_symbols): Declare.
9617 (object_block): Name structure.
9618 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9619 (default_use_anchors_for_symbol_p): Declare.
9620 * Makefile.in (RTL_BASE_H): Add vec.h.
9621 (explow.o): Depend on output.h.
9622 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9623 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9624 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9625 (rs6000_use_blocks_for_constant_p): New function.
9627 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9629 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9631 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9634 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9637 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9639 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9643 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9646 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9647 instead of DECL_REGISTER.
9649 2006-02-18 Olivier Hainque <hainque@adacore.com>
9652 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9654 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9657 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9658 * opth-gen.awk: Handle Var and InverseMask together.
9659 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9660 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9661 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9662 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9664 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9665 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9666 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9667 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9668 LINUX_DYNAMIC_LINKER): Define.
9669 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9670 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9672 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9673 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9674 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9676 (TARGET_C99_FUNCTIONS): Don't define.
9677 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9678 GLIBC_DYNAMIC_LINKER.
9679 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9680 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9681 GLIBC_DYNAMIC_LINKER64): Define.
9682 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9683 LINUX_DYNAMIC_LINKER64.
9684 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9686 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9688 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9689 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9690 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9691 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9692 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9694 and LINUX_DYNAMIC_LINKER32.
9695 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9696 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9697 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9698 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9699 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9701 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9702 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9703 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9704 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9705 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9706 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9707 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9708 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9709 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9710 LINUX_DYNAMIC_LINKER): Define.
9711 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9712 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9713 GLIBC_DYNAMIC_LINKER64): Define.
9714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9715 LINUX_DYNAMIC_LINKER64.
9716 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9717 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9718 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9719 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9720 LINUX_DYNAMIC_LINKER): Define.
9721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9722 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9723 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9724 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9725 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9726 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9727 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9728 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9729 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9730 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9732 * doc/invoke.texi (-muclibc): Remove caveat about supported
9735 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9737 * doc/cpp.texi (__TIMESTAMP__): Document.
9739 2006-02-17 Roger Sayle <roger@eyesopen.com>
9742 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9743 C is one less than the width of X (and related transformations).
9744 * simplify-rtx.c (simplify_unary_operation_1): Transform
9745 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9746 depending on STORE_FLAG_VALUE, were C is one less then the
9749 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9751 Fix PR tree-optimization/26341
9752 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9753 about NAME_MEMORY_TAG's.
9755 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9758 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9759 with hardware float support, and software float support. Add fcpy
9760 alternative to hardware patterns. Add alternatives to copy between
9761 general and floating-point registers to the 32-bit pattern.
9762 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9763 secondary reload to load a QI or HI mode constant into a floating
9765 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9766 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9768 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9771 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9773 (load_macho_picbase_di): Likewise.
9775 2006-02-16 Jeff Law <law@redhat.com>
9777 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9778 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9779 (ssa_name_nonzero_p): Likewise.
9780 (get_value_range): Return NULL if VRP is not running.
9781 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9782 VRP routines do not discover a range.
9783 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9784 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9785 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9786 (tree_expr_nonnegative_p): Similarly.
9787 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9788 (restore_nonzero_vars_to_original_value): Remove.
9789 (unsafe_associative_fp_binop): Remove.
9790 (tree_ssa_dominator_optimize): Remove initialization and
9791 finalization of nonzero_vars and nonzero_vars_stack.
9792 (dom_opt_initialize_block): No longer push marker on
9794 (dom_opt_finalize_block): No longer call
9795 restore_nonzero_vars_to_original_value.
9796 (record_equivalences_from_phis): No longer look for
9797 nonzero PHI arguments.
9798 (cprop_into_successor_phis): No longer propagate nonzero
9799 property into PHI arguments. Lose unused argument. Caller
9801 (record_equivalences_from_stmt): No longer record nonzero
9802 values for SSA_NAMEs.
9803 (lookup_avail_expr): No longer use nonzero_vars.
9805 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9806 for sizetype when sizetype is unsigned.
9808 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9810 PR rtl-optimization/25603
9811 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9812 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9813 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9814 with new meaning of SETS.
9816 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9821 * config/linux.opt: New file.
9822 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9823 LINUX_DYNAMIC_LINKER): Define.
9824 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9825 * config.gcc (*-*-linux*): Define extra_options.
9826 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9827 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9828 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9829 GLIBC_DYNAMIC_LINKER.
9830 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9831 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9832 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9834 * doc/invoke.texi (GNU/Linux Options): New section.
9836 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9838 * config/sparc/sparc.md (setjmp): Rewrite.
9839 (setjmp_32): Delete.
9840 (setjmp_64): Likewise.
9842 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9844 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9847 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9849 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9852 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9854 PR rtl-optimization/26296
9855 * Makefile.in (loop-invariant.c): Add except.h dependency.
9856 * loop-invariant.c: Include except.h.
9857 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9859 2005-02-16 Paul Brook <paul@codesourcery.com>
9861 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9864 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9866 PR rtl-optimization/25636
9867 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9868 when deciding whether an insn is an initializing insn.
9870 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9872 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9873 (tree_code_size): Ditto.
9874 * tree.h (struct tree_memory_tag): Remove parent_var.
9875 (struct tree_struct_field_tag): New.
9878 (union tree_node): Add sft member.
9879 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9881 (create_sft): Add size and offset argument, set SFT_OFFSET and
9883 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9884 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9885 * tree-flow-inline.h (get_subvar_at): Update for
9886 SFT_OFFSET/SFT_SIZE.
9887 (var_can_have_subvars): Ditto.
9888 (overlap_subvar): Ditto.
9889 * print-tree.c (print_node): Print out interesting things for
9891 * tree-flow.h (struct subvar): Remove offset and size members.
9892 * tree-ssa-operands.c (get_expr_operands): Update for
9893 get_indirect_ref_operands changes.
9894 (get_indirect_ref_operands): Call add_virtual_operand instead of
9895 add_stmt_operand. Only recurse on base var if requested.
9896 (access_can_touch_variable): New function.
9897 (add_stmt_operand): Split virtual operand handling into ...
9898 (add_virtual_operand): Here. Add offset, size, and for_clobber
9899 arguments. Prune alias sets.
9900 (add_call_clobber_ops): Call add_virtual_operand.
9902 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9905 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9907 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9908 than TREE_CODE as index into omp_clause_num_ops array.
9910 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9912 PR rtl-optimization/26184
9913 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9915 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9916 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9917 must_precede, must_follow and tobe_scheduled.
9920 * opts.c (common_handle_option): Free new_option pointer.
9921 * df-core.c (df_analyze): Free postorder pointer.
9923 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9925 * Makefile.in: Fix the examples about the use of stamps
9927 2006-02-15 Michael Matz <matz@suse.de>
9931 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9932 influenced by maximum_field_alignment or DECL_PACKED.
9933 (update_alignment_for_field): Ditto.
9934 (place_field): Ditto.
9935 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9938 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9940 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9941 (debug_flow_info): Pass it.
9942 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9943 * bb-reorder.c (reorder_basic_blocks): Likewise.
9944 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9945 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9946 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9947 * gcse.c (gcse_main, bypass_jumps): Likewise.
9948 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9949 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9950 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9951 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9952 * rtl.h (dump_flow_info): Adjust prototype.
9953 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9954 * var-tracking.c (variable_tracking_main): Likewise.
9955 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9956 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9959 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9961 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9964 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9966 PR tree-optimization/26209
9967 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9968 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9970 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9972 2006-02-14 Roger Sayle <roger@eyesopen.com>
9975 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9976 (X,Y) and the corresponding symmetry related transformations.
9977 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9978 (X,Y) and its symmetry related transformations.
9980 2006-02-14 Roger Sayle <roger@eyesopen.com>
9982 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9985 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9987 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9989 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9992 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9993 support COMDAT group.
9994 * configure: Regenerate.
9996 2006-02-14 Roger Sayle <roger@eyesopen.com>
10000 PR middle-end/26283
10001 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10003 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10005 Fix PR tree-optimization/26260
10007 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10009 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10010 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10011 * tree-ssa-structalias.c (create_variable_info_for): Use
10012 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10014 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10016 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10018 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10019 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10020 of the ending condition.
10021 * tree-ssa-loop-manip.c: Include params.h.
10022 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10023 tree_unroll_loop): New functions.
10024 * tree-pass.h (pass_loop_prefetch): Declare.
10025 * loop.c (rest_of_handle_loop_optimize): Test for
10026 -fprefetch-loop-arrays-rtl.
10027 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10028 * timevar.def (TV_TREE_PREFETCH): New timevar.
10029 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10030 pass_loop_prefetch): New.
10031 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10032 (cleanup_tree_cfg_loop): Call scev_reset.
10033 * common.opt (fprefetch-loop-arrays-rtl): Add.
10034 * tree-ssa-loop-prefetch.c: New file.
10035 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10036 (new_temp_expr_table): Initialize expr_vars.
10037 (free_temp_expr_table): Cleanup expr_vars.
10038 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10039 expressions from being merged into one.
10040 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10041 (struct tree_niter_desc): Add control, bound and cmp fields.
10042 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10044 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10045 (tree-cfgcleanup.o): Add SCEV_H dependency.
10046 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10047 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10049 2006-02-14 Richard Guenther <rguenther@suse.de>
10051 PR tree-optimization/26258
10052 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10053 in PHI argument processing.
10055 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10057 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10058 new expression in the requested machine mode.
10060 2006-02-13 Roger Sayle <roger@eyesopen.com>
10062 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10063 directly, instead let do_compare_rtx_and_jump handle this for us.
10064 * expr.c (expand_expr_real_1): Likewise.
10065 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10066 before do_jump_by_parts_greater.
10067 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10068 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10070 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10072 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10074 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10076 PR rtl-optimization/26235
10077 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10078 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10081 2006-02-13 Jeff Law <law@redhat.com>
10083 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10086 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10088 PR middle-end/26092
10089 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10090 twice if decl is a builtin. When trying again, call get_callee_fndecl
10091 first to verify it is still a builtin.
10093 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10095 * dwarf2out.c (base_type_die): Don't add AT_name here.
10096 (subrange_type_die): Don't add AT_name here.
10097 (modified_type_die): Rearrange code flow. Do add AT_name here.
10099 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10101 PR rtl-optimization/26247
10102 PR rtl-optimization/26248
10103 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10105 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10107 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10108 * config/fixtfdi.c: Likewise.
10109 * config/fixunstfdi.c: Likewise.
10110 * config/floatditf.c: Likewise.
10112 2006-02-13 Roger Sayle <roger@eyesopen.com>
10114 PR middle-end/24427
10115 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10116 into (X,C2) if C1 is a subset of the bits of C2. Transform
10117 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10119 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10121 2006-02-13 Josh Conner <jconner@apple.com>
10124 * varasm.c (function_section): Check for section name before
10125 calling select_section on targets that define
10126 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10127 unlikely_text_section instead of hot_function_section if
10128 first_function_block_is_cold.
10130 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10132 PR middle-end/25335
10133 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10135 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10137 PR rtl-optimization/26222
10138 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10139 after tree->rtl expansion.
10140 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10141 before passing it to emit_move_insn.
10143 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10145 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10147 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10148 Clarify documentation.
10149 * c-common.h (warn_write_strings): Remove.
10150 * c-common.c (warn_write_strings): Likewise.
10151 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10154 2006-02-12 Roger Sayle <roger@eyesopen.com>
10156 PR middle-end/25724
10157 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10158 (do_jump_parts_zero_rtx): New function renamed from
10159 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10160 (do_jump_parts_equality_rtx): New function split out from
10161 do_jump_parts_equality. Old implementation renamed as above.
10162 Call do_jump_parts_zero_rtx if either operand is zero.
10163 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10164 do all of the heavy lifting.
10165 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10166 calling either do_jump_by_parts_greater_rtx or
10167 do_jump_by_parts_equality_rtx.
10168 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10169 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10170 moved to do_compare_rtx_and_jump, call it directly.
10171 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10172 mode argument. Call do_compare_rtx_and_jump.
10173 (emit_case_nodes): Update calls to do_jump_if_equal.
10175 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10177 PR rtl-optimization/26225
10178 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10180 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10182 PR rtl-optimization/26232
10183 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10185 2006-02-11 Jason Merrill <jason@redhat.com>
10188 * tree-inline.c (declare_return_variable): Just don't use the
10189 modify target if it's a gimple complex reg and the return slot
10192 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10194 * doc/contrib.texi: Update my entry.
10196 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10198 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10200 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10202 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10205 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10207 * doc/invoke.texi (-floop-optimize2): Removed.
10208 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10209 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10210 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10211 * common.opt (floop-optimize2): Removed.
10212 (fmove-loop-invariants): Enabled by default.
10214 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10216 * tree-if-conv.c (combine_blocks): Free the result of
10217 get_loop_exit_edges.
10219 2006-02-10 Jeff Law <law@redhat.com>
10221 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10223 PR tree-optimization/26213
10224 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10225 loop trying to follow SSA_NAME_VALUE chains.
10227 2006-02-10 Richard Guenther <rguenther@suse.de>
10229 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10230 deal with structures that end in implicitly variable sized arrays.
10232 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10234 PR rtl-optimization/24762
10235 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10238 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10240 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10241 (struct ivopts_data): Add regs_used field.
10242 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10243 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10244 instead of loop_data->regs_used;
10245 (free_loop_data): Do not free aux fields for loops.
10246 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10247 and tree_ssa_iv_optimize_finalize.
10249 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10251 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10253 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10256 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10257 computing the effective result type.
10259 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10261 PR inline-asm/16194
10262 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10263 (tree_overlaps_hard_reg_set): Declare.
10264 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10265 type and signature to match function type expected by walk_tree.
10266 (tree_overlaps_hard_reg_set): New function.
10267 (decl_conflicts_with_clobbers_p): Rename to:
10268 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10269 Use tree_overlaps_hard_reg_set. Changed caller.
10270 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10271 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10272 * cris.c (cris_md_asm_clobbers): Likewise.
10274 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10276 * reload1.c (emit_input_reload_insns): Delete code that tries to
10277 inherit using find_equiv_reg.
10279 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10281 * c-common.h (flag_const_strings): Don't declare.
10282 * c-common.c (flag_const_strings): Remove.
10283 * c.opt (fconst_strings): Remove.
10284 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10285 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10286 (c_common_init_options): Don't set flag_const_strings.
10287 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10289 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10291 * arm.md (tlobits_cbranch): New pattern.
10292 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10293 testing a single bit.
10295 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10298 * tree-ssa-pre.c (create_component_ref_by_pieces):
10299 Handle RETURN_DECL like VAR_DECL.
10301 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10303 PR middle-end/26134
10304 * fold-const.c (fold_indirect_ref_1): Fold
10305 "*(foo *)&complexfoo" to "__real__ complexfoo"
10306 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10308 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10310 * tree-flow-inline.h (var_can_have_subvars):
10311 Volatile variables should not have subvariables.
10313 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10316 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10317 multiplying unsigned values.
10320 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10322 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10324 2006-02-08 Jason Merrill <jason@redhat.com>
10327 * tree.def: Elaborate on difference from MODIFY_EXPR.
10328 * doc/c-tree.texi (INIT_EXPR): Likewise.
10329 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10330 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10331 (gimplify_target_expr): Likewise.
10332 (gimplify_cond_expr): Remove target handling.
10333 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10334 (gimplify_expr): Clobber it here.
10335 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10336 Do return slot optimization if we have an INIT_EXPR.
10339 * tree-inline.c (declare_return_variable): Also clear
10340 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10343 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10345 PR middle-end/22439
10346 * gimplify.c (gimplify_one_sizepos): Fix typo.
10348 2006-02-08 Jeff Law <law@redhat.com>
10350 PR tree-optimization/21417
10351 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10352 across a backedge if the control statement at the end of the
10353 block is data dependent on other statements in the same block.
10354 (record_temporary_equivalences_from_stmts): Remove over-conservative
10355 test for threading across backedges.
10357 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10358 control statement, handle all three special cases in the same
10359 manner as they all have the same desired solution. No longer
10360 special case edge flag updating when the post dominator is
10363 2006-02-08 Roger Sayle <roger@eyesopen.com>
10365 * tree.def (CHAR_TYPE): Remove.
10366 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10367 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10368 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10369 (gen_string_type_die): Delete unreachable function.
10371 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10372 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10373 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10374 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10375 * builtins.c (type_to_class): Likewise.
10376 * fold-const.c (fold_convert, build_range_check,
10377 merge_ranges): Likewise.
10378 * expr.c (count_type_elements): Likewise.
10379 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10380 * stor-layout.c (layout_type): Likewise.
10381 * ipa-type-escape.c (type_to_consider): Likewise.
10382 * gimplify.c (omp_firstprivatize_type_sizes,
10383 gimplify_type_sizes): Likewise.
10384 * explow.c (promote_mode): Likewise.
10385 * tree-sra.c (is_sra_scalar_type): Likewise.
10386 * varasm.c (output_constant): Likewise.
10387 * tree-inline.c (remap_type_1): Likewise.
10388 * convert.c (convert_to_pointer, convert_to_real,
10389 convert_to_integer, convert_to_complex): Likewise.
10391 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10393 * df-scan.c (df_def_record_1): A set destination may
10394 be a parallel regardless of mode.
10396 2006-02-08 Roger Sayle <roger@eyesopen.com>
10399 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10400 * config/mips/_tilib.c: Remove.
10401 * config/fixtfdi.c: New libgcc source file.
10402 * config/fixunstfdi.c: New source file.
10403 * config/floatditf.c: New source file.
10404 * config/floatunditf.c: New souce file.
10405 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10406 files above instead of config/mips/_tilib.c.
10407 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10409 2006-02-08 Jeff Law <law@redhat.com>
10411 PR tree-optimization/26169
10412 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10415 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10417 * df.h (DF_REG_SIZE): Return the length of the initialized
10420 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10422 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10423 __muldf3): Return a correctly signed zero.
10425 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10427 * passes.c (register_one_dump_file): Accept the current properties
10428 instead of pass number. Adjust call to dump_register. Remove
10430 (register_dump_files): Now a wrapper around...
10431 (register_dump_files_1): ... this one. Do not modify the pass
10433 (next_pass_1): Cosmetic fix.
10434 (execute_todo): Keep second parameter only. Use curr_properties
10435 instead of fetching it from the pass structure. Check and set
10437 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10438 instead of fetching it from the pass structure. Fix calls to
10439 execute_todo. Update curr_properties and initialize .vcg RTL dump
10440 after running the pass. Reset last_verified.
10441 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10443 (FIRST_AUTO_NUMBERED_DUMP): New.
10444 (dump_register): Remove "num" parameter, assign it within the
10446 (get_dump_file_name): Modify template for dumps.
10447 * tree-dump.h (dump_register): Adjust prototype.
10448 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10449 (PROP_trees): Add PROP_gimple_lomp.
10450 (TODO_set_props): New.
10451 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10452 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10453 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10455 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10457 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10458 (sparc64-*-linux*): Likewise.
10459 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10460 * config/sparc/t-linux: New file.
10461 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10462 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10463 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10464 -m32 -mlong-double-128.
10466 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10467 * config/alpha/t-linux: New file.
10468 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10470 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10471 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10472 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10473 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10474 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10475 (CPP_ARCH32_SPEC): Remove.
10477 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10479 PR tree-optimization/26145
10480 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10483 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10486 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10487 >= 240000 when generating code for SOM runtime.
10488 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10489 to $$dyncall when generating code for SOM runtime..
10491 2006-02-07 Dirk Mueller <dmueller@suse.com>
10494 * doc/invoke.texi (-Wsequence-point): Update documentation
10495 that -Wsequence-point is implemented for C++ as well.
10497 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10499 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10500 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10501 (LIB_SPEC): Likewise.
10502 * doc/invoke.texi (SPARC options): Document -pthread.
10504 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10506 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10509 2006-02-07 Roger Sayle <roger@eyesopen.com>
10511 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10512 Correct comment describing BOOLEAN_TYPE.
10514 2006-02-07 Dirk Mueller <dmueller@suse.com>
10516 * c.opt: C++ frontend supports -Wdiv-by-zero.
10517 * c-opts.c (c_common_handle_option): Remove dead case.
10519 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10521 * configure.ac (TLS assembler check): Do not enable TLS by
10522 default on SPARC/Solaris before version 10.
10523 * configure: Regenerate.
10525 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10527 * doc/invoke.texi (xl-compat): Document conversion and support
10530 2006-02-07 Jeff Law <law@redhat.com>
10532 * tree-vrp.c (find_conditional_asserts): Update comments.
10533 (simplify_stmt_for_jump_threading): New.
10534 (identify_jump_threads, finalize_jump_threads): New.
10535 (vrp_finalize): Call identify_jump_threads.
10536 (execute_vrp): Call finalize_jump_threads.
10537 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10538 (vrp_element, vrp_data, vrp_element_p): Remove.
10539 (vrp_hash_elt, vrp_variables_stack): Remove.
10540 (vrp_hash, vrp_eq, record_range): Remove.
10541 (simplify_cond_and_lookup_avail_expr): Remove.
10542 (extract_range_from_cond): Remove.
10543 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10544 (simplify_stmt_for_jump_threading): New.
10545 (dom_thread_across_edge): New wrapper.
10546 (tree_ssa_dominator_optimize): No longer initialize or
10547 finalize any of the VRP datastructures. Remove iteration
10548 step and simplify as a result of removal of iteration step.
10549 (pass_dominator): Perform a cfg cleanup after DOM.
10550 (dom_opt_finalize_block): Use the new common routines
10551 for threading jumps. Simplify stack management slightly.
10552 No longer need to unwind VRP state.
10553 (record_equivalences_from_incoming_edge): No longer record
10555 (eliminate_redundant_computations): No longer call
10556 simplify_cond_and_lookup_avail_expr.
10557 * tree-flow.h (potentially_threadable_block): Prototype.
10558 (thread_across_edge): Likewise.
10559 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10560 (tree-ssa-threadedge.o): Add dependencies.
10561 * tree-ssa-threadedge.c: New file.
10562 * passes.c (init_optimization_passes): Merge PHIs before
10563 calling VRP. Run VRP again late in the SSA optimization pipeline.
10565 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10567 * df-core.c (df_set_blocks): Do not dereference function pointers.
10568 (df_finish1): Likewise.
10569 (df_hybrid_search_forward): Likewise.
10570 (df_hybrid_search_backward): Likewise.
10571 (df_iterative_dataflow): Likewise.
10572 (df_analyze_problem): Likewise.
10573 (df_compact_blocks): Likewise.
10574 (df_dump): Likewise.
10575 * df-scan.c (df_rescan_blocks): Likewise.
10576 (df_record_entry_block_defs): Likewise.
10578 * genconditions.c (write_conditions): Guard the definition of
10579 'insn_conditions' with the check on GCC version.
10580 (write_writer): Guard the traversal 'insn_conditions' with
10581 the check on GCC version.
10583 2006-02-07 Richard Guenther <rguenther@suse.de>
10587 2006-01-30 Richard Guenther <rguenther@suse.de>
10589 * gimplify.c (gimplify_target_expr): Handle easy cases
10590 without creating a temporary.
10592 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10594 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10595 use of float in probability computations. Use edge probabilities
10596 in place of statically computed probabilities.
10597 (min_spec_prob): New static variable.
10598 (schedule_insns): Initialize it.
10599 (GET_SRC_PROB): Removed.
10600 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10602 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10605 * config/ia64/unwind-ia64.c: Revert last change.
10606 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10607 (INCOMING_FRAME_SP_OFFSET): Define.
10609 2006-02-06 Roger Sayle <roger@eyesopen.com>
10611 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10613 2006-02-07 Ben Elliston <bje@au.ibm.com>
10615 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10616 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10617 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10618 (ix86_return_in_memory): Handle TDmode.
10619 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10620 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10622 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10624 * reorg.c (dbr_schedule): Use dump_file instead of file.
10626 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10629 * config/ia64/predicates.md (extr_len_operand): New predicate.
10630 * config/ia64/ia64.md (extv): Tighten constraints.
10632 (*tbit_and_2): Ditto.
10633 (*tbit_and_3): Ditto.
10634 (*tbit_or_2): Ditto.
10635 (*tbit_or_3): Ditto.
10636 (*bit_zero): Ditto.
10639 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10642 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10644 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10646 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10647 loop_optimizer_init and loop_optimizer_finalize
10648 * tree-ssa-sink.c (execute_sink_code): Ditto.
10649 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10650 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10651 tree_ssa_loop_done): Ditto.
10652 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10653 * sched-ebb.c: Include output.h.
10654 (schedule_ebbs): Do not use dump argument.
10655 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10656 * loop.c (loop_dump_stream): Removed.
10657 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10659 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10660 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10661 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10662 loop_iterations, strength_reduce, record_biv, record_giv,
10663 final_giv_value, check_final_value, check_ext_dependent_givs,
10664 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10665 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10666 dump_file instead of loop_dump_stream.
10667 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10668 argument dump_file.
10669 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10671 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10672 * haifa-sched.c: Include output.h
10673 (schedule_insns, sched_init): Do not use dump argument.
10674 * mode-switching.c (optimize_mode_switching): Ditto.
10675 * modulo-sched.c (stats_file): Removed.
10676 (print_node_sched_params): Do not call argument dump_file.
10677 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10678 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10680 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10682 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10683 rtl_loop_init, rtl_loop_done): Ditto.
10684 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10685 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10687 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10688 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10689 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10690 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10691 * emit-rtl.c (renumber_insns): Ditto.
10692 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10693 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10694 * regclass.c (regclass): Ditto.
10695 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10696 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10697 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10698 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10700 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10701 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10703 * gcse.c (gcse_file, debug_stderr): Removed.
10704 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10705 rest_of_handle_gcse): Do not use dump argument.
10706 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10707 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10708 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10709 compute_code_hoist_vbeinout, compute_code_hoist_data,
10710 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10711 compute_store_table, build_store_vectors, insert_insn_start_bb,
10712 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10713 store_motion): Use dump_file instead of gcse_file.
10714 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10715 * profile.c (profile_dump_file): Removed.
10716 (branch_prob): Use dump_file instead of profile_dump_file.
10717 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10719 * tree-ssa-copy.c (dump_copy_of): Ditto.
10720 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10721 dump file to life_analysis.
10722 * bt-load.c (branch_target_load_optimize): Ditto.
10723 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10725 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10726 regclass, dbr_schedule): Declaration changed.
10727 * sched-int.h (sched_init): Declaration changed.
10728 * tree-profile.c (tree_profile_dump_file): Removed.
10729 (tree_profile_hooks): Removed profile_dump_file hook.
10730 * rtl-profile (rtl_profile_dump_file): Removed.
10731 (rtl_profile_hooks): emoved profile_dump_file hook.
10732 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10734 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10735 * tree-cfg.c (build_tree_cfg): Ditto.
10736 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10737 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10738 Declaration changed.
10739 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10740 life_analysis and schedule_insns.
10741 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10743 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10745 * config/mips/mips.c (mips_reorg): Ditto.
10746 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10749 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10751 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10752 (s390_mangle_fundamental_type): New.
10753 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10756 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10757 (alpha_mangle_fundamental_type): New.
10758 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10761 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10763 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10765 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10766 (sparc_mangle_fundamental_type): New.
10768 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10770 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10771 (s390x-*-linux*): Likewise.
10772 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10773 * config/s390/t-linux: New file.
10775 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10777 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10778 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10780 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10782 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10783 (ANTIC_SAFE_LOADS): New macro.
10784 (find_or_generate_expression): Add prototype.
10785 (set_contains_value): Allow null set for sake of not always having
10786 to allocate ANTIC_SAFE_LOADS.
10787 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10788 Allow COMPONENT_REF too.
10789 (valid_in_set): Allow COMPONENT_REF.
10790 Check ANTIC_SAFE_LOADS too.
10791 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10792 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10794 (can_PRE_operation): Add COMPONENT_REF.
10795 (create_component_ref_by_pieces): New function.
10796 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10797 (insert_aux): Move AGGREGATE_TYPE_P check here.
10798 (compute_avail): Set bb local stmt uids.
10799 (pass_pre): Use TODO_update_ssa_only_virtuals.
10801 2006-02-06 Ben Elliston <bje@au.ibm.com>
10803 * configure.ac: Unconditionally disable decimal float by default.
10804 * configure: Regenerate.
10806 2006-02-06 Ben Elliston <bje@au.ibm.com>
10808 * read-rtl.c (read_name): Terminate reading on EOF.
10810 2006-02-06 Ben Elliston <bje@au.ibm.com>
10812 * dfp.c (decimal_real_arithmetic): Change second argument type
10813 from int to enum tree_code. Do not always return true, but now
10814 return result of any call to decimal_do helper functions.
10815 * dfp.h (decimal_real_arithmetic): Update prototype.
10817 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10819 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10821 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10824 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10827 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10829 * tree-vrp.c (cfg_loops): Removed.
10830 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10831 Use current_loops instead of cfg_loops. Pass flags to
10832 loop_optimizer_init.
10833 * cfgloopmanip.c (fix_loop_structure): Update only available
10835 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10836 loop_optimizer_init.
10837 * modulo-sched.c (build_loops_structure): Removed.
10838 (sms_schedule): Use loop_optimizer_init.
10839 * loop-init.c (loop_optimizer_init): Use flags to determine
10840 which properties of loops to prepare.
10841 (rtl_loop_init): Pass flags to loop_optimizer_init.
10842 * tree-ssa-sink.c (execute_sink_code): Ditto.
10843 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10844 * tree-ssa-pre.c (init_pre): Ditto.
10845 * cfgloop.h (LOOPS_NORMAL): New.
10846 (loop_optimizer_init): Declaration changed.
10848 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10850 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10851 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10853 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10855 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10857 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10858 * pa/t-pa64: Delete quadlib.c rule.
10859 * pa/x-ada: Revert last change.
10860 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10862 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10864 PR rtl-optimization/26087
10865 * rtlanal.c (canonicalize_condition): Do not cross basic block
10868 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10871 * config/ia64/ia64.c: Include debug.h.
10872 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10873 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10874 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10875 (process_epilogue, process_set, process_for_unwind_directive):
10876 Output unwind info only if requested. Add CFA info if requested.
10877 Add new arguments as needed. Adjust callers.
10878 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10880 (DWARF2_FRAME_INFO): Define to zero.
10881 * config/ia64/unwind-ia64.c: Remove code that compensated for
10882 the CFA offset error fixed above.
10883 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10884 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10885 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10886 -funwind-tables and -fexceptions to enable frame info.
10887 (dwarf2out_frame_init): Define initial CFA even if
10888 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10889 DWARF2_UNWIND_INFO is nonzero, not just defined.
10890 (dwarf2out_frame_finish): Output non-EH call frame info only
10891 if DWARF2_FRAME_INFO is nonzero.
10892 (convert_cfa_to_loc_list,
10893 compute_frame_pointer_to_cfa_displacement): Define even if
10894 unwind info is not supported.
10895 (gen_subprogram_die): Use the above unconditionally. Remove
10896 legacy alternate code.
10897 * toplev.c (compile_file): Compile in call to
10898 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10899 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10901 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10902 Jakub Jelinek <jakub@redhat.com>
10904 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10905 IBM extended float format long double as "g" on powerpc*-linux.
10907 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10910 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10911 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10913 2006-02-03 Jason Merrill <jason@redhat.com>
10916 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10918 PR middle-end/25977
10919 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10920 on the return slot if it's an NRV.
10922 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10924 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10925 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10926 rewrite_use): Do not handle USE_OUTER.
10927 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10928 add_iv_outer_candidates, may_replace_final_value,
10929 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10930 (find_interesting_uses_op): Functionality of
10931 find_interesting_uses_outer_or_nonlin moved here.
10932 (find_interesting_uses_outside): Use find_interesting_uses_op.
10934 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10937 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10939 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10940 Ulrich Weigand <uweigand@de.ibm.com>
10943 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10944 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10945 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10946 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10948 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10949 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10950 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10951 Define secondary reloads for TFmode moves.
10952 (constant_modes): Add TFmode.
10953 (NR_C_MODES): Set to 8.
10954 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10956 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10957 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10958 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10959 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10960 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10961 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10962 (FPR mode macro): Add TFmode.
10963 (DSF mode macro): New.
10964 (<de>, <dee> mode attributes): Removed.
10965 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10966 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10967 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10968 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10969 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10970 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10971 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10972 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10973 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10974 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10975 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10976 "*negabs<mode>2", "sqrt<mode>2"):
10977 Changed <de> to <xde>. R constraint replaced by <Rf>.
10978 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10980 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10981 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10982 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10984 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10985 "extenddftf2", "extendsftf2"): New expanders.
10986 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10987 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10988 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10989 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10991 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10992 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10993 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10994 __floatditf): Add a GCC_4.1.0 symbol version tag.
10995 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10998 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11001 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11002 Use targetm.binds_local_p instead of TREE_PUBLIC.
11004 2006-02-02 Roger Sayle <roger@eyesopen.com>
11006 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11007 on INTEGER_TYPEs to indicate that it denotes a character type.
11008 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11009 signed_char_type_node, unsigned_char_type_node and char_type_node.
11010 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11011 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11012 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11014 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11015 Daniel Berlin <dberlin@dberlin.org>
11017 * tree-tailcall.c (arg_needs_copy_p): New function.
11018 (eliminate_tail_call): Use arg_needs_copy_p.
11019 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11020 (add_virtual_phis): New function.
11022 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11024 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11025 #ignore instead of #scratch for %g7 .register directive.
11027 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11029 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11032 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11034 * flow.c (calculate_global_regs_live): Assert that there aren't any
11037 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11039 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11040 what its name says.
11041 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11042 bsi_after_labels iterator.
11043 * tree-if-conv.c (find_phi_replacement_condition,
11044 replace_phi_with_cond_modify_expr): Likewise.
11045 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11046 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11048 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11050 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11052 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11055 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11056 array after growing it.
11058 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11060 PR middle-end/24901
11061 * fold-const.c (fold_checksum_tree): Change type of buf.
11063 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11065 * reload.c (push_secondary_reload): Initialize t_icode.
11067 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11069 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11070 -msoft-float -mlong-double-128 only issue a warning, but don't
11071 swich to DFmode long double.
11073 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11075 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11076 has a constant equivalent, iterate over equivalents for arg0,
11077 calling simplify_relational_operation and if there's a result
11078 cheaper than X, apply fold_rtx and return the result.
11080 2006-02-01 Jan Hubicka <jh@suse.cz>
11082 * opts.c (no_unit_at_a_time_default): New global variable.
11083 (decode_options): Use it.
11084 * opts.h (no_unit_at_a_time_default): Declare.
11086 2006-02-01 Paul Brook <paul@codesourcery.com>
11088 * function.c (assign_parm_setup_reg): Use function argument promotion
11090 * expr.c (expand_expr_real_1): Use function argument promotion rules
11093 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11095 * gcc.c (process_command): Change j to 'unsigned int'.
11097 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11099 PR middle-end/26001
11100 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11101 Use the corrected index for the character
11102 out of the string constant.
11104 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11106 * mode-switching.c (optimize_mode_switching): Fix size
11107 allocated for bb_info[n_entities].
11109 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11111 * gcc.c (main): Correct type that is allocated for
11112 explicit_link_files.
11114 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11116 * config/s390/s390.c (init_alignment_context): Set
11117 ALIAS_SET_MEMORY_BARRIER on the MEM.
11118 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11120 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11122 PR middle-end/25933
11123 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11125 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11128 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11130 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11131 * regrename.c: Ditto.
11132 * tree-ssa-loop-im.c: Ditto.
11133 * tree-dump.c: Ditto.
11134 * tree-complex.c: Ditto.
11135 * genrecog.c: Ditto.
11136 * tree-ssa-threadupdate.c: Ditto.
11138 * java/class.c: Ditto.
11139 * java/jcf-parse.c: Ditto.
11140 * java/resource.c: Ditto.
11141 * java/except.c: Ditto.
11142 * java/jvspec.c: Ditto.
11143 * java/jcf-write.c: Ditto.
11144 * java/jcf-path.c: Ditto.
11145 * java/gjavah.c: Ditto.
11146 * java/zextract.c: Ditto.
11147 * java/jcf-io.c: Ditto.
11148 * java/jcf.h: Ditto.
11149 * java/buffer.c: Ditto.
11150 * java/lang.c: Ditto.
11151 * java/parse-scan.y: Ditto.
11152 * java/lex.c: Ditto.
11153 * java/lex.h: Ditto.
11154 * cfgloopmanip.c: Ditto.
11155 * postreload-gcse.c: Ditto.
11156 * tree-ssa-loop-manip.c: Ditto.
11157 * postreload.c: Ditto.
11158 * tree-ssa-loop-ch.c: Ditto.
11161 * cppspec.c: Ditto.
11162 * diagnostic.c: Ditto.
11164 * genoutput.c: Ditto.
11166 * cfghooks.c: Ditto.
11167 * cfgloopanal.c: Ditto.
11168 * objc/objc-act.c: Ditto.
11170 * genextract.c: Ditto.
11171 * genautomata.c: Ditto.
11172 * pretty-print.c: Ditto.
11173 * genemit.c: Ditto.
11174 * cgraphunit.c: Ditto.
11176 * df-scan.c: Ditto.
11177 * haifa-sched.c: Ditto.
11178 * dominance.c: Ditto.
11180 * tree-ssa-loop-ivopts.c: Ditto.
11181 * df-core.c: Ditto.
11182 * mode-switching.c: Ditto.
11183 * modulo-sched.c: Ditto.
11185 * ipa-pure-const.c: Ditto.
11187 * fix-header.c: Ditto.
11189 * tree-stdarg.c: Ditto.
11190 * ipa-utils.c: Ditto.
11191 * loop-init.c: Ditto.
11192 * ipa-inline.c: Ditto.
11193 * cfganal.c: Ditto.
11195 * alloc-pool.c: Ditto.
11196 * dwarf2out.c: Ditto.
11198 * genattrtab.c: Ditto.
11199 * tree-ssa-loop-ivcanon.c: Ditto.
11200 * predict.c: Ditto.
11201 * timevar.c: Ditto.
11203 * fortran/gfortranspec.c: Ditto.
11204 * regmove.c: Ditto.
11205 * local-alloc.c: Ditto.
11206 * langhooks.c: Ditto.
11207 * function.c: Ditto.
11208 * tree-vectorizer.c: Ditto.
11210 * ipa-type-escape.c: Ditto.
11212 * tree-if-conv.c: Ditto.
11213 * profile.c: Ditto.
11215 * tree-data-ref.c: Ditto.
11216 * loop-unroll.c: Ditto.
11217 * treelang/treetree.c: Ditto.
11219 * bt-load.c: Ditto.
11220 * ggc-common.c: Ditto.
11222 * coverage.c: Ditto.
11224 * tree-cfgcleanup.c: Ditto.
11225 * tree-ssa-pre.c: Ditto.
11226 * cfgcleanup.c: Ditto.
11227 * loop-invariant.c: Ditto.
11228 * loop-iv.c: Ditto.
11229 * ipa-prop.c: Ditto.
11230 * print-tree.c: Ditto.
11231 * conflict.c: Ditto.
11232 * ggc-page.c: Ditto.
11233 * sched-deps.c: Ditto.
11234 * regclass.c: Ditto.
11235 * tree-object-size.c: Ditto.
11236 * combine.c: Ditto.
11237 * bb-reorder.c: Ditto.
11238 * resource.c: Ditto.
11239 * var-tracking.c: Ditto.
11240 * cfgloop.c: Ditto.
11241 * df-problems.c: Ditto.
11242 * reg-stack.c: Ditto.
11244 * gccspec.c: Ditto.
11245 * sched-rgn.c: Ditto.
11246 * tree-ssa-structalias.c: Ditto.
11247 * tree-ssa-reassoc.c: Ditto.
11248 * config/darwin-c.c: Ditto.
11249 * config/darwin.c: Ditto.
11250 * config/arm/arm.c: Ditto.
11252 * collect2.c: Ditto.
11253 * reload1.c: Ditto.
11255 2006-01-31 Nicolas Pitre <nico@cam.org>
11257 * arm.md (smaxsi3): Make aware of smax_m1.
11260 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11262 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11264 2006-01-31 Richard Guenther <rguenther@suse.de>
11266 * doc/invoke.texi (-msselibm): Document.
11267 * target.h (expand_library_builtin): New target hook.
11268 * builtins.c (expand_builtin): Use expand_library_builtin.
11269 (default_expand_library_builtin): New function.
11270 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11271 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11272 (link_gcc_math_spec): Declare.
11273 (static_specs): Add link_gcc_math_spec.
11274 * expr.h (default_expand_library_builtin): Declare.
11275 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11276 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11277 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11278 * config/i386/i386.opt (msselibm): New target option.
11279 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11280 (ix86_init_sse_abi_builtins): New function.
11281 (ix86_expand_library_builtin): Likewise.
11282 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11283 (override_options): Handle error conditions wrt -msselibm.
11284 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11285 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11286 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11289 2006-01-31 Richard Guenther <rguenther@suse.de>
11290 Paolo Bonzini <bonzini@gnu.org>
11292 * doc/install.texi (--disable-libgcc-math): Document.
11294 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11296 * expr.h (expand_normal): new inline function.
11297 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11298 * dojump.c: use it.
11299 * dwarf2out.c: use it.
11302 * expmed.c: use it.
11303 * except.c: use it.
11304 * config/sparc/sparc.c: use it.
11305 * config/i386/i386.c: use it.
11306 * config/rs6000/rs6000.c: use it.
11307 * config/arm/arm.c: use it.
11308 * config/mips/mips.c: use it.
11309 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11311 2006-01-30 Roger Sayle <roger@eyesopen.com>
11313 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11314 argv to the appropriate type.
11316 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11318 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11321 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11324 * config/s390/s390.c (struct machine_function): New flag
11325 decomposed_literal_pool_addresses_ok_p.
11326 (s390_reorg): Set it before final stage of literal pool transforms.
11327 (s390_decompose_address): Only accept displacements of the form
11328 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11330 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11332 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11333 the comparison routine return.
11335 2006-01-30 Michael Matz <matz@suse.de>
11337 * global.c (find_reg): Only evict for global regs.
11338 Take n_refs into account and dump more info.
11340 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11343 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11344 (pragma_trap, pragma_nosave_low_regs): Likewise.
11345 (current_function_anonymous_args): Likewise.
11346 (sh_deferred_function_attributes): New variable.
11347 (sh_deferred_function_attributes_tail): Likewise.
11348 (print_operand): For '@', look up trap_exit attribute.
11349 (calc_live_regs): Look up trapa_handler attribute. For trapa
11350 handlers, save/restore fpscr, but don't do any other
11351 interrupt-specific saves.
11352 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11353 Fix check for partially saved registers to check for SHmedia.
11354 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11355 (sh_output_function_epilogue): Don't clear any of the removed
11357 (sh_insert_attributes): Don't check pragma_interrupt.
11358 Insert deferred attributes. Check that interrupt attribute is
11359 present for other attributes that require its presence.
11360 (sh_attribute_table): Add new attributes trapa_handler and
11362 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11363 Don't check for pragma_interrupt. Don't store argument.
11364 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11365 (sh_deferred_function_attributes): Declare.
11366 (sh_deferred_function_attributes_tail): Likewise.
11367 * sh.md (sp_switch_1): Add operand. Change generator caller.
11368 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11369 (*return_i): Don't use when trap_exit attribute is in effect.
11370 (*return_trapa): New insn pattern.
11371 * sh-c.c: New file.
11372 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11373 setting c_target_objs and cxx_target_objs.
11374 * t-sh: Add rule for sh-c.o.
11376 2006-01-30 Richard Guenther <rguenther@suse.de>
11379 * gimplify.c (gimplify_target_expr): Handle easy cases
11380 without creating a temporary.
11382 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11384 * vec.h (safe_grow): Remove duplicated line.
11386 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11389 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11390 (expand_omp): ... here.
11391 (expand_omp_parallel): Only remove barriers for combined
11392 parallel+workshare constructs.
11394 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11398 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11399 * tree.c (build_qualified_type): Chain the new type to the original
11400 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11401 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11402 (build_pointer_type_for_mode): Only return unqualified types.
11403 (build_reference_type_for_mode): Likewise.
11405 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11407 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11408 * Makefile.in (CXX_COMPAT_WARN): Define.
11409 * configure: Regenerate.
11411 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11414 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11417 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11419 * toplev.c: Fix thinko.
11421 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11422 Marcin Dalecki <martin@dalecki.de>
11424 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11425 (push_srcloc): Use XNEW.
11426 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11428 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11430 * df-core.c (df_set_blocks): Deleted all variable.
11432 2006-01-28 Ian Lance Taylor <ian@airs.com>
11434 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11435 cgraph_output_pending_asms.
11437 2006-01-28 Zack Weinberg <zackw@panix.com>
11439 * c.opt: Add -W(no-)overlength-strings.
11440 * doc/invoke.texi: Document it.
11441 * c-opts.c (c_common_handle_option): -pedantic implies
11442 -Woverlength-strings, if not explicitly disabled already.
11443 (c_common_post_options): -Woverlength-strings defaults to off, and
11444 is always off for C++.
11445 * c-common.c (fix_string_type): Issue warning about strings longer
11446 than is portable only if warn_overlength_strings. Rearrange code
11447 a little for clarity.
11448 * configure.in: Check for -Wno-overlength-strings as well before
11449 enabling -pedantic in stage 1.
11450 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11451 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11453 * genconditions.c (write_header, write_one_condition)
11454 (write_conditions, write_writer): Consolidate very long strings
11455 that were broken up to fit in C89 portable limit. Don't use
11456 printf when fputs will do.
11458 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11460 * combine.c (simplify_comparison <AND>): Check
11461 TRULY_NOOP_TRUNCATION before start using a subreg.
11463 * config/mips/mips.md (*branch_zero<mode>,
11464 *branch_zero<mode>_inverted, *branch_equality<mode>,
11465 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11466 Remove mode check from comparisons.
11468 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11470 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11472 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11474 * expmed.c (const_mult_add_overflow_p): Remove.
11475 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11477 * recog.c (validate_replace_rtx_subexp): Remove.
11478 * recog.h: Remove the prototype for
11479 validate_replace_rtx_subexp.
11481 * integrate.h: Remove the prototype for
11482 copy_decl_for_inlining.
11483 * rtl.h: Remove the prototype for mark_constant_function.
11484 * tree-vectorizer.h: Remove the prototype for
11485 vect_strip_conversion.
11487 * modulo-sched.c (create_partial_schedule,
11488 free_partial_schedule, reset_partial_schedule): Make them
11491 * hooks.c (hook_bool_rtx_int_false): Remove.
11492 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11494 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11496 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11497 and -mlong-double-128 are incompatible.
11498 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11499 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11500 (TARGET_LIBGCC2_CFLAGS): Define.
11501 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11502 (TARGET_LIBGCC2_CFLAGS): Same.
11503 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11505 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11508 * c-typeck.c (build_binary_op): Perform implicit casts of
11509 operands before shortening them.
11511 * cfgloopmanip.c (split_loop_bb): Remove.
11512 * cfgloop.h: Remove the prototype for split_loop_bb.
11514 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11515 * cfgloop.h: Remove the prototype for
11516 flow_loop_outside_edge_p.
11518 * emit-rtl.c (init_virtual_regs): Make it static.
11519 * function.h: Remove the prototype for init_virtual_regs.
11521 * recog.c (peephole2_optimize): Make it static.
11522 * recog.h: Remove the prototype for peephole2_optimize.
11524 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11526 * df-scan.c (df_record_entry_block_defs): Check if
11527 INCOMING_RETURN_ADDR_RTX is defined.
11529 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11530 Kenneth Zadeck <zadeck@naturalbridge.com>
11532 PR rtl-optimization/24762
11533 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11534 * targhooks.c (hook_void_bitmap): New hook prototype.
11535 * targhoohs.h (hook_void_bitmap): Ditto.
11536 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11537 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11538 * target.h (live_on_entry): New function pointer.
11539 * df-scan.c (df_all_hard_regs): Removed.
11540 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11541 (df_scan_free_internal): Added df->entry_block_defs.
11542 (df_scan_alloc): Ditto.
11543 (df_scan_dump): Ditto.
11544 (df_uses_record): Plumbed flag field properly thru calls.
11545 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11546 This part fixes PR24762.
11547 (df_bb_refs_record): Added code to make the frame and arg
11548 pointers live in EH blocks.
11549 (df_refs_record): Added call to df_record_entry_block_defs.
11550 (df_record_entry_block_defs): New function.
11551 * df-core.c: Added comments to describe new artifical defs.
11552 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11553 (entry_block_defs): New field in struct df.
11554 (df_all_hard_regs): Deleted.
11555 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11556 * df-problems.c (df_ru_bb_local_compute_process_def):
11557 Added code to handle artifical defs in the entry to a function.
11558 (df_ru_bb_local_compute): Ditto.
11559 (df_rd_bb_local_compute_process_def): Ditto.
11560 (df_rd_bb_local_compute): Ditto.
11561 (df_lr_bb_local_compute): Ditto.
11562 (df_ur_bb_local_compute): Ditto.
11563 (df_urec_bb_local_compute): Ditto.
11564 (df_chain_create_bb): Ditto.
11565 (df_ur_local_finalize): Removed entry.
11566 (df_urec_init): Ditto.
11567 (df_urec_local_finalize): Ditto.
11568 (df_ri_bb_compute): Added detection of last use of pseudos.
11569 * Makefile.in (df-scan.o): Updated dependencies.
11570 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11571 * config/mips/mips.c (mips_set_live_on_entry): Added.
11572 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11574 * dce.c (marked_insn_p): Added code to handle artifical defs.
11576 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11578 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11580 (_mm_cvtsi128_si64): Likewise.
11581 (_mm_cvtsd_si64): Likewise.
11582 (_mm_cvttsd_si64): Likewise.
11583 (_mm_cvtsi64_sd): Likewise.
11584 (_mm_cvtsi64_si128): Likewise.
11585 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11586 (_mm_cvtsi64_m64): Likewise.
11587 (_m_to_int64): Likewise.
11588 (_mm_cvtm64_si64): Likewise.
11589 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11590 (_mm_cvttss_si64): Likewise.
11591 (_mm_cvtsi64_ss): Likewise.
11592 (_mm_cvtss_f32): Likewise.
11594 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11596 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11597 for pragma redefine_extname.
11599 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11602 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11603 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11604 -mno-minimal-toc to previous content.
11605 (bispecs): Remove goal.
11606 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11607 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11608 compatibility aliases on powerpc-*-*gnu*.
11609 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11610 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11611 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11612 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11613 (ldblspecs): New goal.
11614 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11615 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11617 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11618 L_sf_to_tf or L_df_to_tf is defined.
11620 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11621 Alan Modra <amodra@bigpond.net.au>
11624 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11625 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11626 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11627 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11628 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11629 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11630 (rs6000_override_options): Initialize rs6000_ieeequad.
11631 Initialize TFmode format to ibm_extended_format if not
11633 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11635 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11636 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11637 (function_arg_advance): IBM long double passed in two FPRs, not
11639 (function_arg): IBM long double passed in FPRs.
11640 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11641 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11642 Only multireg GPR aligned.
11643 (rs6000_init_libfuncs): Enable IBM long double functions if not
11645 (rs6000_generate_compare): Use IBM long double compare if not
11647 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11648 (TARGET_IEEEQUAD): Define.
11649 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11650 not TARGET_IEEEQUAD.
11651 * config/rs6000/rs6000.md: Enable TFmode patterns if
11653 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11654 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11655 and -mlong-double-128 are incompatible.
11656 * doc/invoke.texi (-mabi): Collect options together. Add
11657 ibmlongdouble and ieeelongdouble.
11659 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11661 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11663 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11664 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11665 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11666 * rtl.h (rtunion_def): Remove rt_ptr.
11668 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11669 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11670 * config/i386/winnt.c (i386_pe_mark_dllexport)
11671 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11673 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11675 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11677 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11681 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11682 pthread_key_delete. From John David Anglin. gthrw-ify
11683 pthread_getunique_np only if it it's not a macro. Delete
11685 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11686 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11687 __gthread_objc_condition_signal, __gthread_key_delete): Add
11688 "__attribute__ ((__unused__))" to unused arguments.
11689 (__gthread_recursive_mutex_init_function): Add missing return.
11690 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11691 gthr-posix95.h: Use macro-based approach for name redirection
11692 on targets missing weakref.
11694 2006-01-26 Zack Weinberg <zackw@panix.com>
11696 * genconditions.c (write_header): In generated code, #ifdef out
11697 all includes and fake declarations, except includes of bconfig.h
11698 and system.h, unless GCC_VERSION >= 3001. Do not include
11699 gensupport.h in any case.
11700 (write_conditions): Generate a definition of struct c_test. Add
11701 a comment to the generated #endif.
11702 (write_one_condition): Escape backslashes in string too.
11703 (write_writer): Generated code must escape backslashes and quote
11704 marks (but not newlines) in the strings it writes.
11705 * Makefile.in (build/gencondmd.o): Update dependencies.
11707 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11710 * Makefile.in (insn-automata.o): Add header file dependencies.
11711 * genautomata.c: Add includes.
11713 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11716 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11718 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11720 * configure.ac: Expect target tools paths to be passed from the toplevel
11721 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11723 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11725 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11728 * c.opt (Wpointer-sign): Init to -1.
11729 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11730 OPT_pedantic, to 0 otherwise.
11731 * doc/invoke.texi: Update.
11733 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11735 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11736 constants provided by 80387 instructions in the destination mode.
11738 2006-01-26 Richard Guenther <rguenther@suse.de>
11739 Andrew Pinski <pinskia@physics.uc.edu>
11742 partial PR tree-opt/17064
11743 * tree-ssa-structalias.c (intra_create_variable_infos):
11744 Create heap variables for incoming parameters if
11745 flag_argument_noalias > 1.
11746 (find_what_p_points_to): Look through default defs of
11749 2006-01-26 Jeff Law <law@redhat.com>
11752 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11753 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11754 within the VR_RANGE, use the VR_RANGE as the result, not the
11756 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11757 bounds for the type.
11759 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11761 * tree-ssa-alias.c (maybe_create_global_var): Change
11762 subvar walking to an assertion that we don't have subvar'd variables.
11764 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11767 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11768 Use a new variable, inner. PARM_DECLs are always non-weak.
11770 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11772 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11773 --disable-checking.
11775 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11777 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11779 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11781 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11782 (smax_insn, smin_insn, smax_0, smin_0): New.
11784 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11787 * config/cris/cris.c (cris_order_for_addsi3): New function.
11788 * config/cris/cris-protos.h: Prototype it.
11789 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11790 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11791 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11792 (split for "op.S1 [rx=rx+i],ry (swapped)")
11793 (split for "op(s|u).S1 [rx=rx+i],ry")
11794 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11795 Apply cris_order_for_addsi3 when generating addsi3 insns.
11797 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11799 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11800 (TREE_BLOCK): Add call to EXPR_CHECK.
11802 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11805 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11806 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11807 (dump_omp_clauses): ... here.
11808 (dump_generic_node): Handle OMP_CLAUSE.
11809 * tree.c (omp_clause_num_ops): New.
11810 (omp_clause_code_name): New.
11811 (tree_code_size): Handle OMP_CLAUSE.
11812 (tree_size): Likewise.
11813 (make_node): Document handling of OMP_CLAUSE.
11814 (tree_node_structure): Handle OMP_CLAUSE.
11815 (omp_clause_check_failed): New.
11816 (omp_clause_range_check_failed): New.
11817 (omp_clause_operand_check_failed): New.
11818 (build_omp_clause): New.
11819 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11820 * tree.h (enum omp_clause_code): Declare.
11821 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11822 (OMP_CLAUSE_RANGE_CHECK): Define.
11823 (OMP_CLAUSE_ELT_CHECK): Define.
11824 (omp_clause_check_failed): Declare.
11825 (omp_clause_operand_check_failed): Declare.
11826 (omp_clause_range_check_failed): Declare.
11827 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11828 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11829 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11830 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11831 (OMP_CLAUSE_IF_EXPR): Likewise.
11832 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11833 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11834 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11835 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11836 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11837 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11838 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11839 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11840 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11841 (OMP_CLAUSE_CODE): Define.
11842 (OMP_CLAUSE_SET_CODE): Define.
11843 (OMP_CLAUSE_CODE): Define.
11844 (OMP_CLAUSE_OPERAND): Define.
11845 (struct tree_omp_clause): Declare.
11846 (union tree_node): Add field 'omp_clause'.
11847 * treestruct.def (TS_OMP_CLAUSE): Define.
11848 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11849 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11850 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11851 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11852 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11853 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11854 (OMP_CLAUSE): Define.
11855 * print-tree.c (print_node): Handle OMP_CLAUSE.
11856 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11857 * c-typeck.c: Likewise.
11858 * gimplify.c: Likewise.
11859 * c-omp.c: Likewise.
11860 * tree-nested.c: Likewise.
11861 * tree-inline.c: Likewise.
11862 * c-parser.c: Likewise.
11863 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11866 2006-01-25 Roger Sayle <roger@eyesopen.com>
11868 PR rtl-optimization/25703
11869 * combine.c (try_combine): Handle zero_extract and strict_low_part
11870 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11872 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11874 * global.c: Fix comment typos.
11876 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11879 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11880 Use output_addr_const instead of assemble_name.
11882 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11884 * Makefile.in (sched-vis.o): Update dependencies.
11885 * haifa-sched.c (sched_finish): Clear current_sched_info.
11886 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11887 (dump_flow_info): Call it.
11888 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11890 * basic-block.h (dump_bb_info): Declare.
11891 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11892 option, and apply options only for dump files whose TDF_RTL,
11893 TDF_TREE, or TDF_IPA bits match.
11894 * rtl.h: Declare new functions exported from sched-vis.c.
11895 * sched-vis.c: Enable also if scheduling is not used.
11896 (print_value): Print the mode of registers if not inside scheduling.
11897 (print_insn): Make it work outside the scheduler. Beautify the output
11899 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11901 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11903 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11904 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11905 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11906 depending on the value of CONSTANT_POOL_ADDRESS_P.
11907 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11909 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11910 rather than SYMBOL_REF_DECL.
11911 (rtx_constant_pool): Remove const_rtx_sym_htab.
11912 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11913 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11914 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11915 Remove handling of const_rtx_sym_htab.
11916 (find_pool_constant): Delete.
11917 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11918 rather than find_pool_constant.
11919 (get_pool_constant_for_function): Delete.
11920 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11921 find_pool_constant.
11922 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11923 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11924 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11925 (SYMBOL_REF_CONSTANT): New macro.
11926 (get_pool_constant_for_function): Delete.
11927 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11928 rather than SYMBOL_REF_DECL.
11929 (i386_pe_mark_dllimport): Likewise.
11930 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11931 rather than SYMBOL_REF_DECL.
11932 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11933 (machopic_indirect_call_target): Likewise.
11935 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11937 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11939 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11941 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11943 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11945 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11947 2006-01-24 David Daney <ddaney@avtrex.com>
11950 * configure.ac (enable_tls): New enable option.
11951 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11952 * configure: Regenerate.
11953 * doc/install.texi (--enable-tls): Document new option.
11954 (--disable-tls): Ditto.
11956 2006-01-24 Richard Henderson <rth@redehat.com>
11958 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11959 * alias.c (true_dependence): Respect it.
11960 (canon_true_dependence, write_dependence_p): Likewise.
11961 * builtins.c (get_builtin_sync_mem): Set it.
11963 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11965 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11968 2006-01-24 DJ Delorie <dj@redhat.com>
11970 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11971 for storing constants in single-bit bitfields.
11973 2006-01-25 Ben Elliston <bje@au.ibm.com>
11975 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11977 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11980 * tree-ssa-pre.c (phi_translate): Return NULL
11981 for AGGREGATE_TYPE's.
11983 2006-01-24 Zack Weinberg <zackw@panix.com>
11985 * genautomata.c (process_state_for_insn_equiv_partition):
11986 Use xcalloc for insn_arcs_array.
11987 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11988 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11990 2006-01-24 Richard Henderson <rth@redhat.com>
11992 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11993 update all callers.
11995 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11997 PR rtl-optimization/25890
11998 PR rtl-optimization/25905
11999 * combine.c (expand_compound_operation, expand_field_assignment):
12000 Fail if the bitfield's final position is out of bounds.
12002 2006-01-24 Ian Lance Taylor <ian@airs.com>
12004 PR middle-end/25930
12005 * cgraphunit.c (cgraph_output_in_order): Don't clear
12006 cgraph_asm_nodes until after asm strings have been output.
12008 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12010 * fix-header.c (read_scan_file): Add new parameter imultilib when
12011 calling register_include_chains.
12013 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12015 * omp-low.c: Update documentation.
12017 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12018 Daniel Berlin <dberlin@dberlin.org>
12022 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12023 return from the function.
12025 2006-01-22 Zack Weinberg <zackw@panix.com>
12027 * rtl.def (match_code): Add second argument.
12028 * genpreds.c (write_extract_subexp): New function.
12029 (write_match_code): Add path argument. Use write_extract_subexp.
12030 (write_predicate_expr): Pass path to write_match_code.
12031 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12032 not perform a mode test.
12033 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12034 a subexpression does not constrain the top-level code set.
12035 * read-rtl.c (read_rtx_variadic): New function.
12036 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12037 * doc/md.texi: Document new notation.
12038 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12039 (cmpsi_operand): ... here, using new notation.
12041 2006-01-22 Zack Weinberg <zackw@panix.com>
12043 * varray.c: Remove GENERATOR_FILE #ifdefs.
12045 2006-01-22 Zack Weinberg <zackw@panix.com>
12047 * genautomata.c (output_reserved_units_table): Emit nothing if
12048 description->query_units_num is zero. Remove extra blank line.
12049 (output_cpu_unit_reservation_p): Short circuit
12050 if description->query_units_num is zero.
12052 2006-01-22 Zack Weinberg <zackw@panix.com>
12054 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12055 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12056 nor any of the random handful of variables that used to be necessary
12057 when this program was linked with rtlanal.o. Prune set of forward
12058 function declarations.
12059 (struct attr_desc): Remove static_p field.
12060 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12061 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12062 (attr_string): Do not read the character one past the length of
12064 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12065 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12066 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12067 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12068 (make_automaton_attrs): New.
12069 (main): Do not call into genautomata. Call local gen_bypass
12070 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12071 Remove special case for insn_alts.
12072 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12073 varray.h (leftover from previous change). Prune set of forward
12074 function declarations. Remove state_alts fields from all
12075 structures. Remove state_alts_table from struct automaton.
12076 Make everything except main static. Do not maintain num_dfa_decls.
12077 Do not maintain state_alts fields of various structures.
12078 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12079 (add_arc): Remove state_alts argument. All callers updated.
12080 (output_reserved_units_table): Emit #ifdef here...
12081 (output_tables): ...not here. Don't generate state_alts tables.
12082 (expand_automata): Don't generate attributes.
12083 (write_automata): Don't generate state_alts functions.
12084 (main): New function.
12085 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12086 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12087 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12088 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12089 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12090 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12091 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12092 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12094 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12095 * genattrtab.h: Delete file.
12096 * Makefile.in (OBJS-common): Add insn-automata.o.
12097 (insn-automata.o): New rule.
12098 (simple_generated_c): Add insn-automata.c.
12099 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12100 (genprogmd): Add automata.
12101 (build/genattrtab): Needs no extra objects nor libraries.
12102 (build/genautomata): Needs build/vec.o and -lm.
12104 2006-01-22 Zack Weinberg <zackw@panix.com>
12106 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12107 (output_dfa_max_issue_rate, locked_states_num): Delete.
12108 (struct automaton): Add locked_states field.
12109 (output_dead_lock_vect): Save number of locked states in
12110 automaton->locked_states. If it is zero, don't print anything.
12111 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12112 (output_internal_dead_lock_func): Only test the dead_lock_vect
12113 for automata that have locked states.
12114 (output_statistics): Always print the number of locked states for
12115 each automaton. Calculate total number of locked states here.
12116 (write_automata): Don't call output_dfa_max_issue_rate.
12117 * genattrtab.c: Define length_unit_log as a const variable.
12118 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12119 max_insn_queue_index const.
12120 * final.c (length_unit_log): Declare const.
12121 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12123 2006-01-22 Zack Weinberg <zackw@panix.com>
12125 * genautomata.c: Include vec.h, not varray.h.
12126 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12127 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12128 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12129 VEC_* macros operating on appropriately typed vectors, or to
12130 malloced arrays when the size is known in advance. Const-ify
12131 many char* variables and function arguments. No functional changes.
12132 * Makefile.in (build/varray.o): Delete rule.
12133 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12134 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12136 2006-01-22 Zack Weinberg <zackw@panix.com>
12138 * gensupport.c: Define get_insn_name and record_insn_name here.
12139 (read_md_rtx): Call record_insn_name as appropriate.
12140 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12141 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12142 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12144 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12145 (BUILD_VARRAY): Delete.
12146 (genprognormal): Rename genprogmd. Fold in all programs from
12147 genprognoprint; also attrtab.
12148 (build/genattrtab): Just mention genautomata.o and varray.o.
12149 Reorganize a bit, add comments to make the categories clearer.
12151 2006-01-22 Zack Weinberg <zackw@panix.com>
12153 * genconditions.c (condition_table, add_condition): Delete.
12154 (write_conditions): Don't emit n_insn_conditions nor
12155 insn_elision_unavailable. Issue the gcc version #ifdef here,
12156 inside the table, with no #else clause ...
12157 (write_header): ...not here.
12158 (write_writer): New function.
12159 (main): Don't initialize condition_table. Use add_c_test.
12161 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12162 files on the command line.
12163 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12164 Return -1 if there is no entry in the table, don't abort.
12165 (add_c_test, traverse_c_tests): New functions.
12166 * gensupport.h (insn_elision_unavailable, insn_conditions)
12167 (n_insn_conditions): Delete declarations.
12168 (add_c_test, traverse_c_tests): Declare.
12169 * read-rtl.c: Include gensupport.h.
12170 (read_conditions): New function.
12171 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12172 (read_rtx_1): If we get EOF when we were looking for an initial
12173 open paren, return 0. Call read_conditions when appropriate.
12174 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12175 dummy-conditions.o. Eliminate references to insn-conditions.o,
12176 or change them to build/gencondmd.o, as appropriate. Remove
12177 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12178 from $(simple_generated_c). For all files remaining in those
12179 two lists, add insn-conditions.md to the generator command line.
12180 Give insn-constants.h/s-constants their own rules. Add rules
12181 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12182 (build/read-rtl.o): Depend on gensupport.h.
12183 (genprognormal): Include preds.
12184 (genprogearly): Rename genprognoprint; only difference is now that
12185 they don't link with $(BUILD_PRINT).
12186 * dummy-conditions.c: Delete.
12188 2006-01-22 Zack Weinberg <zackw@panix.com>
12190 * genextract.c: Don't include insn-config.h. Do include vec.h.
12191 Declare vectors of int, char, and locstr.
12192 (locstr): New typedef.
12193 (struct extraction): Make all array fields into bare pointers.
12194 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12195 (insn_code_number): Delete.
12196 (accum_extract): New struct.
12197 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12198 (gen_insn): Take insn_code_number as an argument. Use an
12199 accum_extract structure instead of loading data directly into
12200 a struct extraction, and having to know how big it might get.
12201 (walk_rtx): Operate entirely on an accum_extract structure.
12202 (print_path): Avoid unnecessary use of printf.
12203 (print_header): New function, split out of main. Distinguish
12204 more carefully between an unrecognizable insn and an insn that
12205 has the code number of a define_expand.
12206 (main): Pass insn_code_number to gen_insn. Call print_header
12207 only after parsing. Avoid unnecessary use of printf.
12208 * Makefile.in (build/vec.o): New rule.
12209 (build/genextract): Depend on build/vec.o.
12210 (build/genextract.o): Don't depend on insn-config.h.
12212 2006-01-22 Zack Weinberg <zackw@panix.com>
12214 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12215 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12216 practical. Eliminate per-generator-program link rules.
12218 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12220 PR middle-end/24437
12221 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12222 with a call expr to ...
12223 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12225 2006-01-23 Richard Guenther <rguenther@suse.de>
12227 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12228 before make_edge with conditional EDGE_TRUE_VALUE.
12230 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12231 Jan Hubicka <jh@suse.cz>
12232 Richard Guenther <rguenther@suse.de>
12234 PR rtl-optimization/25654
12235 * cfgexpand.c (aggregate_contains_union_type): New function.
12236 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12237 for structure variables that contain a union type.
12239 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12241 * gengtype.c (new_structure): Return the structure.
12242 (create_option): Add an extra "next" argument.
12243 (create_field): New function.
12244 (adjust_field_rtx_def): Use create_option and create_field.
12245 Remove a now-unnecessary call to find_structure.
12246 (adjust_field_tree_def): Likewise.
12247 (note_yacc_type): Remove an unnecessary call to find_structure.
12248 * gengtype.h (new_structure): Return the structure.
12249 (create_option): Add an extra argument.
12250 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12251 (option): Adjust calls to create_option.
12253 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12255 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12257 2006-01-22 Paul Brook <paul@codesourcery.com>
12258 Peter Barada <peter@the-baradas.com>
12260 * config/m68k/m68k.md: Add Coldfire FPU support.
12261 Define FP mode macro and associated attributes.
12262 Use it for float mode patterns.
12263 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12264 (LIBCALL_VALUE): Use m68k_libcall_value.
12265 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12266 (m68k_function_value): Ditto.
12267 (emit_move_sequence): Ditto.
12268 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12269 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12270 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12271 (MULTILIB_EXCEPTIONS): Ditto.
12272 * config/m68k/m68k.opt: Add mcfv4e.
12273 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12274 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12275 (m68k_output_function_prologue): Save ColdFire FPU registers.
12276 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12277 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12278 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12279 ColdFire FPU registers.
12280 (m68k_libcall_value, m68k_function_value): New functions.
12281 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12282 (LIBCALL_VALUE): Use m68k_libcall_value.
12283 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12284 (MASK_COLDFIRE): Add MASK_CFV4E.
12285 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12286 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12287 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12288 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12289 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12290 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12291 * doc/invoke.tex: Document -mcfv4e on m68k.
12293 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12295 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12298 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12301 * c-opts.c (c_common_handle_option): Don't include
12302 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12303 * doc/invoke.texi (C++ Dialect Options): Document that
12304 -Wnon-virtual-dtor is no longer included in -Wall.
12306 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12308 * gcov.c (print_version), gcov-dump.c (print_version),
12309 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12312 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12314 * df-scan.c (problem_SCAN): Added NULL reset function.
12315 (df_scan_reset_blocks): Added code to call reset block function
12316 (df_bb_refs_delete) Fixed comment.
12317 (df_insn_refs_delete): Made tolerant of deleting non existent info
12318 for dataflow problems that need to be reset.
12319 * df-core.c (df_set_blocks): Ditto.
12320 * df.h (struct df_problem): Added reset_fun.
12321 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12322 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12323 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12324 functions to clear out all references to def-use or use-def chains.
12326 2006-01-21 Ben Elliston <bje@au.ibm.com>
12328 * varasm.c (assemble_real): Initialise data array.
12330 2006-01-20 Paul Brook <paul@codesourcery.com>
12332 Merge from csl-arm-branch.
12333 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12334 * config/arm/arm.md (movdi): Force operands[1] to a register
12335 if we have a non-register source.
12336 (*arm_movdi, *movdf_soft_insn): Require that one of the
12337 operands be a register.
12338 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12339 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12341 2006-01-20 DJ Delorie <dj@redhat.com>
12343 * varasm.c (initializer_constant_valid_p): Allow pointers
12344 initialized from integer constants of lesser precision.
12345 (output_constant): Allow non-int-sized pointer modes to be
12346 initialized from integer constants.
12348 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12351 * cppdefault.h (struct default_include): Add multilib flag.
12352 * cppdefault.c (cpp_include_defaults): Set it.
12353 * c.opt (-imultilib): New option.
12354 * c-opts.c (imultilib): New.
12355 (c_common_handle_option): Handle -imultilib.
12356 (c_common_post_options): Likewise.
12357 * c-incpath.c (add_standard_paths, register_include_chains):
12359 * c-incpath.h (register_include_chains): Add extra parameter.
12360 * gcc.c (do_spec_1): Generate -imultilib option.
12361 (The Specs Language): Update %I description.
12362 (process_command): Update copyright notice.
12363 * doc/cppopts.texi (-imultilib): Document.
12364 * doc/invoke.texi (-imultilib): Include in option summary.
12365 (%I): Update specs documentation.
12367 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12369 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12371 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12373 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12376 2006-01-20 Richard Guenther <rguenther@suse.de>
12377 Steven Bosscher <stevenb.gcc@gmail.com>
12379 PR rtl-optimization/24626
12380 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12381 EDGE_TRUE_VALUE if in RTL mode.
12384 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12385 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12387 2006-01-20 Dirk Mueller <dmueller@suse.com>
12390 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12391 instead of a special NOP marker.
12392 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12393 NOP marker handling.
12394 * c-common.h (empty_body_warning): Add forward declaration.
12395 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12396 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12398 2006-01-20 Paul Brook <paul@codesourcery.com>
12400 * Makefile.in (lang_checks): Keep going if mkdir fails.
12402 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12404 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12405 be able to clean out basic block when not necessary.
12406 (df_scan_free): Fixed to properly delete information if df is
12407 unused before calling df_finish.
12408 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12409 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12411 (df_bb_refs_delete): New function.
12412 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12413 * df-core.c (df_set_blocks): Added code to properly clean out
12414 unused blocks if they are not part of the blocks to consider.
12415 Added additional null check.
12416 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12417 be able to clean out basic block when not necessary
12418 * df.h (df_free_bb_function): Ditto.
12419 (df_bb_refs_delete): New function.
12420 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12421 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12422 basic block parameter to be able to clean out basic block when not
12424 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12425 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12426 Fixed to properly delete information if df is unused before
12429 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12431 PR rtl-optimization/25799
12432 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12433 Corrected confluence operator to remove bits from op2 before oring
12434 with op1 rather than removing bits from op1.
12435 (df_ru_transfer_function): Corrected test on wrong bitmap which
12436 caused infinite loop. Both of these problems were introduced in
12437 the dataflow rewrite.
12439 2006-01-19 DJ Delorie <dj@redhat.com>
12441 * reload1.c (find_reload_regs): Note the details of reload
12442 failures in the dump file.
12443 (spill_failure): Likewise.
12445 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12447 * loop-iv.c: Include df.h and hashtab.h.
12448 (enum iv_grd_result): New enum.
12449 (DF_REF_IV, DF_REF_IV_SET): New macros.
12450 (struct biv_entry): New.
12451 (df, bivs): New global variables.
12452 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12453 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12455 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12456 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12457 analyzed_for_bivness_p, record_biv): New functions.
12458 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12459 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12460 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12462 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12464 (iv_number_of_iterations): Use new interface to iv analysis.
12465 * loop-unroll.c: Do not include varray.h.
12466 (analyze_iv_to_split_insn): Use new interface to iv
12468 * loop-unswitch.c (may_unswitch_on): Ditto.
12469 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12471 (df_bb_modify): Realloc tables to the new index.
12472 (df_find_use): New function.
12473 * df.h (df_find_use): Declare.
12474 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12476 * cfgloop.h (struct rtx_iv): Remove analysed field.
12477 (iv_get_reaching_def): Removed.
12478 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12479 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12480 (loop-iv.o): Add df.h and hashtab.h dependency.
12481 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12483 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12486 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12488 (__floatundisf, __floatundidf): Likewise.
12489 * libgcc2.h (IS_IBM_EXTENDED): Define.
12491 2006-01-19 DJ Delorie <dj@redhat.com>
12493 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12495 2006-01-19 Paul Brook <paul@codesourcery.com>
12497 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12498 as nothrow when unwinding tables are disabled.
12500 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12503 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12504 of bit-field" when in system header.
12506 2006-01-19 DJ Delorie <dj@redhat.com>
12508 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12509 the 16 bit shift limit of the m16c.
12511 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12514 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12515 * config/i386/i386.c (output_set_got): Output the label if we have one
12516 for the TARGET_DEEP_BRANCH_PREDICTION case.
12518 2006-01-19 Jan Hubicka <jh@suse.cz>
12519 H.J. Lu <hongjiu.lu@intel.com>
12520 Evandro Menezes <evandro.menezes@amd.com>
12522 * invoke.texi (generic): Document
12524 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12525 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12526 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12527 (x86_use_incdec, x86_pad_returns): New variables
12528 (TARGET_CPU_DEFAULT_generic): New constant
12529 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12530 (enum processor_type): Add generic32 and generic64.
12531 * i386.md (cpu attribute): Add generic32/generic64
12532 (movhi splitter): Behave sanely when both partial_reg_dependency and
12533 partial_reg_stall are set.
12534 (K8 splitters): Enable for generic as well.
12535 * predicates.md (incdec_operand): Use TARGET_INCDEC
12536 (aligned_operand): Avoid memory mismatch stalls.
12537 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12538 * ppro.md: Enable for generic32
12539 * i386.c (generic64_cost, generic32_cost): New.
12540 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12541 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12542 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12543 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12544 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12545 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12546 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12547 x86_accumulate_outgoing_args, x86_prologue_using_move,
12548 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12549 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12550 Enable for generic.
12551 (x86_use_incdec, x86_pad_returns): New.
12552 (override_options): Add generic32 and generic64, translate "generic"
12553 to generic32/generic64 and "i686" to "generic32", refuse
12554 "generic32"/"generic64" as arch target.
12555 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12556 (ix86_reorg): Honor PAD_RETURNS.
12558 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12560 * tree-pretty-print.c (dump_generic_node): Handle
12561 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12562 * cgraph.c (cgraph_expand_queue): Rename from
12563 cgraph_analyze_queue. Update all users.
12564 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12565 cgraph_expand_queue.
12566 (cgraph_expand_all_functions): Likewise.
12567 (cgraph_finalize_pending_functions): Remove. Update callers.
12569 * tree.h (OMP_DIRECTIVE_P): Define.
12570 (OMP_PARALLEL_FN): Define.
12571 (OMP_PARALLEL_DATA_ARG): Define.
12572 (OMP_SECTIONS_SECTIONS): Define.
12573 * tree-pass.h (pass_expand_omp): Declare.
12574 * omp-low.c (struct omp_region): Declare.
12575 (struct omp_context): Remove fields 'parallel_type',
12576 'parallel_start_ix' and 'parallel_start_additional_args'.
12578 (struct omp_for_data): Rename from struct expand_omp_for_data.
12579 (omp_regions): New static variable.
12580 (root_omp_region): New static variable.
12581 (find_omp_clause): Make static.
12582 (is_in_combined_parallel_ctx): Remove.
12583 (is_combined_parallel): New.
12584 (extract_omp_for_data): Move earlier in the file.
12585 (workshare_safe_to_combine_p): New.
12586 (get_ws_args_for): New.
12587 (determine_parallel_type): Move earlier in the file.
12588 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12590 (omp_copy_decl): Likewise.
12591 (create_omp_child_function): Likewise.
12592 (lookup_omp_region): New.
12593 (dump_omp_region): New.
12594 (debug_omp_region): New.
12595 (debug_all_omp_regions): New.
12596 (new_omp_region): New.
12597 (scan_omp_parallel): If parallel_nesting_level > 1, the
12598 directive is nested within another parallel directive.
12599 Set OMP_PARALLEL_FN.
12600 (scan_omp_for): Do not try to handle combined parallel+for
12602 Remove FIXME comment.
12603 (scan_omp_nested): Remove.
12604 (scan_omp_1): Do not call scan_omp_nested when
12605 parallel_nesting_level is > 1.
12606 Do not change the DECL_CONTEXT of local variables found.
12607 (lookup_decl_in_outer_ctx): New.
12608 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12609 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12610 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12611 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12612 If CTX is nested, lookup VAR in the outer context when
12613 building copy assignment.
12614 (lower_send_clauses): Rename from expand_send_clauses.
12615 If CTX is nested, lookup VAR in the outer context when
12616 building copy assignments.
12617 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12618 If CTX is nested, lookup VAR in the outer context when
12619 building copy assignments.
12620 (expand_parallel_call): Rename from build_parallel_call.
12621 Handle combined parallel+workshare cases.
12622 Re-implement to emit code into the CFG.
12624 (expand_omp_parallel): Re-implement to emit code into the CFG.
12625 Call move_sese_region_to_fn to outline the sub-graph
12626 containing the parallel region.
12627 (expand_omp_for_1): Remove.
12628 (expand_omp_for_generic): Re-implement to emit code into the
12630 (expand_omp_for_static_nochunk): Likewise.
12631 (expand_omp_for_static_chunk): Likewise.
12632 (expand_omp_for): Likewise.
12633 (expand_omp_sections): Likewise.
12634 (remove_exit_barriers): New.
12635 (expand_omp_synch): New.
12637 (build_omp_regions_1): New.
12638 (build_omp_regions): New.
12639 (execute_expand_omp): New.
12640 (gate_expand_omp): New.
12641 (pass_expand_omp): Define.
12642 (lower_omp_sections): Rename from expand_omp_sections.
12643 Set OMP_SECTIONS_SECTIONS.
12644 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12645 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12646 (lower_omp_single): Rename from expand_omp_simple.
12647 (lower_omp_master): Rename from expand_omp_master.
12648 (lower_omp_ordered): Rename from expand_omp_ordered.
12649 (lower_omp_critical): Rename from expand_omp_critical.
12650 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12651 (lower_omp_for): Re-implement.
12652 (lower_omp_parallel): Re-implement.
12653 (lower_regimplify): Rename from expand_regimplify.
12654 (lower_omp_1): Rename from expand_omp_1.
12655 If there are syntax errors in the program, replace every
12656 OpenMP directive with NOP.
12657 Call lower_omp_* instead of expand_omp_*.
12658 (lower_omp): Rename from expand_omp.
12660 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12661 * tree-gimple.h (enum omp_parallel_type): Remove.
12662 (gimple_boolify): Declare extern.
12663 (find_omp_clause, determine_parallel_type): Remove.
12665 * gimple-low.c (lower_omp_directive): New.
12666 (lower_stmt): Call it.
12667 (record_vars_into): Move from ...
12668 (record_vars): ... here.
12669 Call record_vars_into with current_function_decl.
12671 * gimplify.c (struct gimplify_ctx): Remove fields
12672 combined_pre_p and combined_ctxp. Update users.
12673 (get_formal_tmp_var): Add documentation.
12674 (gimple_boolify): Make extern.
12675 (gimplify_expr_in_ctx): Remove. Update callers.
12676 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12677 will always be a BIND_EXPR.
12678 (gimplify_expr): Handle OMP_RETURN_EXPR.
12679 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12680 (OMP_PARALLEL): Add 3 operands.
12681 (OMP_SECTIONS): Add 1 operand.
12682 (OMP_RETURN_EXPR): Define.
12684 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12685 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12686 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12687 creating a circular free list.
12688 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12690 * tree-flow.h (move_sese_region_to_fn): Declare.
12691 (record_vars_into): Declare.
12692 * tree-cfg.c (make_omp_sections_edges): New.
12693 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12694 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12695 OMP_SECTIONS and OMP_SECTION.
12696 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12697 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12698 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12699 (gather_blocks_in_sese_region): New.
12700 (struct move_stmt_d): Declare.
12701 (move_stmt_r): New.
12702 (move_block_to_fn): New.
12703 (move_sese_region_to_fn): New.
12705 * passes.c (init_optimization_passes): Schedule
12706 pass_expand_omp after pass_init_datastructures.
12708 * tree-ssa-operands.c (get_expr_operands): Handle
12709 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12710 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12712 2006-01-19 Jeff Law <law@redhat.com>
12714 * tree-vrp.c (extract_range_from_assert): Refine the result range
12715 if the variable referenced by the ASSERT_EXPR has a range and
12716 either the tentative result range or the previous range is a
12719 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12721 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12723 2006-01-19 Jan Hubicka <jh@suse.cz>
12725 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12727 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12729 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12730 (expand_compound_operation, expand_field_assignment): Fail if the
12731 bit lengths of an extract operation are out of range.
12732 (make_extraction): Compute wanted_inner_mode based on the position
12733 and length of the extraction. Make it extraction_mode for non-constant
12734 positions, and do not modify offset in that case. When generating a
12735 new MEM, use a mode that can hold the extraction while keeping correct
12736 alignment. Remove code that supported MEMs wrapped by USEs.
12737 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12739 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12741 * config/s390/s390.md ("Y", "y"): New mode attribute.
12742 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12743 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12744 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12745 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12746 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12747 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12748 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12749 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12750 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12751 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12752 "addsi3", "subsi3"): Insn patterns removed.
12753 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12754 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12755 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12756 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12757 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12758 "*sub<mode>3_cconly2"): New insn patterns.
12759 ("addsi3", "subsi3"): New expanders.
12761 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12763 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12764 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12765 existing STMT_VINFO_VECTYPE if available.
12766 (vect_mark_relevant): Add special handling for stmts that are
12767 marked as STMT_VINFO_IN_PATTERN_P.
12768 (vect_analyze_loop): Call vect_pattern_recog.
12769 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12770 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12772 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12773 (vect_recog_func_ptr): New function-pointer type.
12774 * tree-vect-patterns.c: New file.
12775 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12776 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12777 (vect_pattern_recog_1): New functions.
12778 (vect_pattern_recog_funcs): New array of function pointers.
12780 * tree-vectorizer.h (ternary_op): New enum value.
12781 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12782 declaration. Revised documentation. Removed redundant dump prints.
12783 Removed redundant argument. Added support for reduction patterns.
12784 (vectorizable_reduction): Added support for reduction patterns.
12785 (vect_transform_stmt): Added support for patterns.
12787 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12788 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12789 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12790 (expand_widen_pattern_expr): New function.
12791 (init_optabs): Initialize new optabs udot_prod_optab,
12793 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12794 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12795 (expand_widen_pattern_expr): New function declaration.
12796 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12798 * tree-inline.c (estimate_num_insns_1): Added cases for new
12799 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12800 * tree-pretty-print.c (dump_generic_node): Likewise.
12801 (op_prio): Likewise.
12802 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12803 * tree-ssa-operands.c (get_expr_operands): Added case for
12805 * tree-vect-patterns.c (widened_name_p): New function.
12806 (vect_recog_dot_prod_pattern): Added function implementation.
12807 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12808 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12809 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12810 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12812 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12813 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12814 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12815 (init_optabs): Initialize new optabs widen_ssum_optab,
12817 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12818 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12819 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12820 use instead of type of def.
12821 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12822 function implementation.
12823 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12824 widen_ssumv8hi): New.
12826 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12829 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12832 * c-decl.c (add_flexible_array_elts_to_size): New function.
12833 (finish_decl): Use it.
12835 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12837 * diagnostic.h: Include options.h.
12838 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12839 dependancies for diagnostic.h.
12840 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12842 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12844 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12845 (ssa_ro_call_cache_valid): Ditto.
12846 * tree-ssa-alias.c (sort_tags_by_id): New function.
12847 (init_transitive_clobber_worklist): Ditto.
12848 (add_to_worklist): Ditto.
12849 (mark_aliases_call_clobbered): Ditto.
12850 (compute_tag_properties): Ditto.
12851 (set_initial_properties): Ditto.
12852 (compute_call_clobbered): Ditto.
12853 (compute_may_aliases): Call compute_call_clobbered and grouping.
12854 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12855 (compute_flow_insensitive_aliasing): Grouping now happens in our
12857 (setup_pointers_and_addressables): Remove clobbering related code.
12858 (add_may_alias): Ditto.
12859 (replace_may_alias): Ditto.
12860 (get_nmt_for): Ditto.
12861 (create_global_var):
12862 (is_escape_site): Return an escape_type enumeration.
12863 * tree-flow-inline.h (is_call_clobbered): Global var does not
12864 imply call clobbered.
12865 (mark_call_clobbered): Take a reason for marking this. Remove
12866 marking of globalness, and cache invalidation.
12867 (clear_call_clobbered): Remove cache invalidation code.
12868 * tree-dfa.c (dump_variable): If details is on, dump the reason
12870 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12872 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12873 (struct var_ann_d): Ditto.
12874 (enum escape_type): New.
12875 (mark_call_clobbered): Adjust prototype.
12876 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12877 are never call clobbered.
12878 Record reasons for escaping.
12879 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12880 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12881 (ssa_ro_call_cache_valid): Ditto.
12882 (clobbered_v_may_defs): Ditto.
12883 (clobbered_vuses): Ditto.
12884 (ro_call_vuses): Ditto.
12885 (clobber_stats): New.
12886 (init_ssa_operands): Zero out clobber stats.
12887 (fini_ssa_operands): Print out clobber stats.
12888 (get_call_expr_operands): Pass callee fndecl to
12889 add_call_read_ops).
12890 (add_call_clobber_ops): Remove use of cache.
12891 Add use of PURE_CONST information.
12892 (add_call_read_ops): Remove use of cache.
12893 Add use of static not_read information.
12895 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12897 Introduce TLS descriptors for i386 and x86_64.
12898 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12899 (TARGET_ANY_GNU_TLS): New macro.
12900 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12901 (struct machine_function): Add tls_descriptor_call_expanded_p.
12902 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12903 (ix86_current_function_calls_tls_descriptor): Likewise.
12904 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12905 (override_options): Introduce gnu2 tls dialect.
12906 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12908 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12910 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12911 (ix86_init_machine_status): Initialize new field.
12912 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12913 (ix86_tls_module_base): New.
12914 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12915 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12916 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12917 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12918 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12919 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12920 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12921 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12922 * config/i386/predicates.md (tls_modbase_operand): New.
12923 (tp_or_register_operand): New.
12925 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12927 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12928 (look_for_address_of): Ditto.
12929 (ipa_init): Walk the function decls.
12930 (static_execute): Don't set readonly on FUNCTION_DECL's.
12932 2006-01-18 Roger Sayle <roger@eyesopen.com>
12934 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12935 for shifts where the source and destination registers are different.
12937 2006-01-18 Paul Brook <paul@codesourcery.com>
12939 Merge from csl-arm-branch.
12940 2005-03-14 Julian Brown <julian@codesourcery.com>
12941 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12942 (aeabi_llsl): Likewise.
12943 (ashrdi3): Likewise.
12944 (aeabi_lasr): Likewise.
12945 (lshrdi3): Likewise.
12946 (aeabi_llsr): Likewise.
12947 2005-03-10 Julian Brown <julian@codesourcery.com>
12948 * config.gcc: Disable shared libgcc for SymbianOS.
12949 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12951 2006-01-18 DJ Delorie <dj@redhat.com>
12953 * c-pragma.c (handle_pragma_diagnostic): New.
12954 (init_pragma): Register it.
12955 * doc/extend.texi: Document it.
12957 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12958 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12959 (diagnostic_context): Add classify_diagnostic[].
12960 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12961 as errors if they're overridden to DK_WARNING.
12962 (diagnostic_initialize): Initialize classify_diagnostic[].
12963 (diagnostic_set_kind_override): New.
12964 (diagnostic_report_diagnostic): Check for kind changes.
12965 * opts.c (common_handle_option): Take lang_mask. Update callers.
12966 Handle OPT_Werror_.
12967 * common.opt (Werror=): New.
12968 * doc/invoke.texi: Document -Werror=*
12970 2006-01-18 Jeff Law <law@redhat.com>
12972 * tree-vrp.c (test_for_singularity): Correct test for new
12973 min limit. Use operand_equal_p rather than pointer equality
12974 for testing if new min/max values are equal.
12976 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12977 using range information until after propagation and folding.
12979 2006-01-18 Richard Henderson <rth@redhat.com>
12980 Aldy Hernandez <aldyh@redhat.com>
12981 Jakub Jelinek <jakub@redhat.com>
12982 Diego Novillo <dnovillo@redhat.com>
12984 * omp-low.c: New file.
12985 * c-omp.c: New file.
12987 2006-01-18 Richard Henderson <rth@redhat.com>
12988 Jakub Jelinek <jakub@redhat.com>
12989 Diego Novillo <dnovillo@redhat.com>
12991 * doc/invoke.texi: Document -fopenmp.
12992 * tree-dump.h (debug_function): Declare.
12993 * hooks.c (hook_bool_tree_bool_false): New function.
12994 (hook_tree_tree_null): Remove.
12995 (hook_tree_tree_tree_null): New.
12996 * hooks.h: Update to match.
12997 * tree-pretty-print.c (debug_tree_chain): New.
12998 (print_generic_expr): Handle TDF_CHAIN.
12999 (dump_generic_node): Handle BLOCK.
13000 Do not abort with incomplete SWITCH_EXPRs.
13001 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13002 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13003 print space after directive name.
13004 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13005 Handle OMP_MASTER and OMP_ORDERED.
13006 Handle printing of OMP_BODY just in one place, goto
13007 dump_omp_body in the rest of OMP_* nodes that have
13009 Don't handle clause nodes here. Update omp statements to
13010 use dump_omp_clauses.
13011 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13012 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13013 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13014 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13015 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13016 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13017 Adjust output for GOMP_PARALLEL.
13018 (dump_omp_clauses): New.
13019 (print_declaration): Dump DECL_VALUE_EXPR.
13020 (op_symbol_1): Split out of op_symbol.
13021 (dumping_stmts): Remove. Update all users.
13022 * cgraph.c (cgraph_analyze_queue): New.
13023 (cgraph_add_new_function): New.
13024 * cgraph.h (cgraph_analyze_queue): Declare.
13025 (cgraph_add_new_function): Declare.
13026 (cgraph_lower_function): Remove.
13027 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13028 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13029 and TYPE_P nodes in its default clause.
13030 (empty_body_p): New.
13031 (tree_range_check_failed): New.
13032 (build5_stat): New.
13033 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13034 OMP_CLAUSE_REDUCTION_MERGE,
13035 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13036 OMP_CLAUSE_PRIVATE_DEBUG,
13037 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13038 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13039 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13040 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13041 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13042 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13043 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13044 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13045 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13046 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13047 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13048 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13049 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13050 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13051 (TREE_RANGE_CHECK): New.
13052 (empty_body_p): Declare.
13053 (enum omp_clause_default_kind): New.
13054 (build_string_literal): Declare.
13055 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13056 (build5_stat, build5): Declare.
13057 * tree-pass.h (TDF_CHAIN): Define.
13058 * tree-pass.h (PROP_gimple_lomp): Define.
13059 (pass_lower_omp): Declare.
13060 * diagnostic.h (debug_tree_chain): Declare.
13061 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13063 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13064 * builtins.c (build_string_literal): Make extern.
13065 * gcc.c (include_spec_function): New.
13066 (static_spec_functions): Add it.
13067 (main): Move load of libgomp.spec ...
13068 (LINK_COMMAND_SPEC): ... here.
13069 (link_gomp_spec): New.
13070 (static_specs): Include it.
13071 (LINK_COMMAND_SPEC): Add link_gomp.
13072 (GOMP_SELF_SPECS): New.
13073 (driver_self_specs): Include it.
13074 (switch_matches): Don't mark inline.
13075 (main): Load libgomp.spec.
13076 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13077 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13078 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13079 * tree-gimple.h (enum omp_parallel): Declare.
13080 (determine_parallel_type): Declare.
13081 (omp_firstprivatize_variable): Declare.
13082 (omp_reduction_init): Declare.
13083 (diagnose_omp_structured_block_errors): Declare.
13084 (struct walk_stmt_info): Add want_return_expr.
13085 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13086 (find_omp_clause): Declare.
13087 (insert_field_into_struct): Declare.
13088 (struct walk_stmt_info): Move from tree-nested.c
13089 (walk_stmts): Declare.
13090 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13092 * cgraphunit.c (cgraph_lower_function): Make static.
13093 (cgraph_finalize_pending_functions): New.
13094 (cgraph_finalize_function): Call it.
13095 (cgraph_finalize_compilation_unit): Likewise.
13096 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13097 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13098 (BT_FN_UINT_UINT): New.
13099 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13100 DEF_FUNCTION_TYPE_VAR_4): Document.
13101 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13102 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13103 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13104 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13105 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13106 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13107 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13108 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13109 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13110 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13111 into separate files.
13112 (DEF_GOMP_BUILTIN): New.
13113 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13114 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13115 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13116 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13117 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13118 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13119 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13120 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13121 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13122 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13123 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13124 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13125 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13126 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13127 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13128 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13129 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13130 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13131 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13132 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13133 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13134 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13135 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13136 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13137 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13138 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13139 * sync-builtins.def: New file, moved from builtins.def.
13140 * omp-builtins.def: New file, moved from builtins.def.
13141 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13142 * gimple-low.c (lower_function_body): Clear data.
13143 (lower_stmt): Do not handle COMPOUND_EXPR.
13144 Remove call to print_node_brief.
13145 * c-tree.h (c_finish_omp_clauses): New prototype.
13146 (C_DECL_THREADPRIVATE_P): Define.
13147 (lookup_name_no_remap, c_omp_remap_private): Remove
13148 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13149 (check_for_loop_decls): Update decl.
13150 (lookup_name_no_remap, c_omp_remap_private): Declare.
13151 (build_indirect_ref, build_modify_expr, pushdecl,
13152 pushdecl_top_level): Move to c-common.h.
13153 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13154 before the switch, but just in the 2 places that need it.
13155 * c-decl.c (diagnose_mismatched_decls): Do not check for
13156 mismatched thread-local attributes when OLDDECL is marked
13157 threadprivate and NEWDECL has no thread-local attributes.
13158 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13159 (c_gimple_diagnostics_recursively): Rename from
13160 c_warn_unused_result_recursively. Invoke
13161 diagnose_omp_structured_block_errors.
13162 (check_for_loop_decls): Return a singular decl found.
13163 * langhooks.c (lhd_omp_predetermined_sharing): Return
13164 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13165 (lhd_omp_firstprivatize_type_sizes): New.
13166 (lhd_omp_assignment): New.
13167 (lhd_omp_predetermined_sharing): New.
13168 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13169 (struct lang_hooks_for_types): Add
13170 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13171 omp_predetermined_sharing, omp_disregard_value_expr,
13172 omp_private_debug_clause, omp_clause_default_ctor,
13173 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13174 (c_finish_omp_clauses): New.
13175 (c_finish_bc_stmt): Diagnose break within omp for.
13176 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13177 (build_unary_op): Return error_mark after reporting
13179 (build_modify_expr): Likewise.
13180 * gimplify.c: Include optabs.h and pointer-set.h.
13181 (enum gimplify_omp_var_data): Declare.
13182 (struct gimplify_omp_ctx): Declare.
13183 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13185 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13186 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13187 (splay_tree_compare_decl_uid): New.
13188 (new_omp_context): New.
13189 (delete_omp_context): New.
13190 (gimple_add_tmp_var): Call omp_add_variable.
13191 (gimplify_bind_expr): Likewise.
13192 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13193 true, disregard DECL_VALUE_EXPR on the decl if any.
13194 (gimplify_expr_in_ctx): New.
13195 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13196 omp_add_variable, omp_notice_variable, omp_is_private
13197 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13198 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13199 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13200 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13201 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13202 gimplify_omp_atomic): New.
13203 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13204 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13205 OMP_CRITICAL and OMP_ATOMIC.
13206 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13207 * c-pragma.h (enum pragma_kind): Add
13208 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13209 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13210 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13211 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13212 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13213 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13214 PRAGMA_OMP_THREADPRIVATE.
13215 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13216 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13217 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13218 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13219 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13220 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13221 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13222 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13223 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13224 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13225 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13226 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13227 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13229 (struct nesting_info): Add field_map,
13230 suppress_expansion, debug_var_chain.
13231 (create_nesting_tree): Initialize them.
13232 (lookup_field_for_decl): Use field_map.
13233 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13234 (convert_local_omp_clauses): New.
13235 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13236 (walk_body): Split out of walk_function.
13237 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13238 (convert_nonlocal_reference): Handle omp statements.
13239 (convert_local_reference): Likewise.
13240 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13241 (unnest_nesting_tree): New.
13242 (lower_nested_functions): Call it.
13243 (insert_field_into_struct): Make extern.
13244 (struct walk_stmt_info): Move to tree-gimple.h.
13245 (walk_stmts): Make extern.
13246 * omp-builtins.def: New file.
13247 * tree-iterator.c (expr_only): Clarify comment.
13248 * c-common.h (pushdecl_top_level, pushdecl,
13249 build_modify_expr, build_indirect_ref,
13250 c_finish_omp_master, c_finish_omp_critical,
13251 c_finish_omp_ordered, c_finish_omp_barrier,
13252 c_finish_omp_atomic, c_finish_omp_flush,
13253 c_finish_omp_for, c_split_parallel_clauses,
13254 omp_clause_default_kind, c_omp_sharing_predetermined,
13255 c_omp_remap_decl): Declare.
13256 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13257 (OBJS-common): Add omp-low.o.
13258 (c-omp.o, omp-low.o): Add.
13259 (gimplify.o): Add dependency on $(OPTABS_H).
13260 (GTFILES): Add omp-low.c.
13261 (gt-stringpool.h): Add.
13262 * tree-cfg.c (set_bb_for_stmt): Do not update the
13263 block-to-labels map if we are currently expanding to RTL.
13264 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13266 Handle IDENTIFIER_NODE.
13267 (tree_verify_flow_info): Do not ICE when emitting error
13268 messages about invalid labels.
13269 (dump_function_to_file): Reset CFUN before emitting the body
13271 (debug_function): New.
13272 * passes.c (init_optimization_passes): Schedule
13274 * langhooks-def.h (lhd_omp_predetermined_sharing,
13275 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13277 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13278 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13279 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13280 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13281 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13282 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13283 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13284 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13285 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13286 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13287 (LANG_HOOK_DECLS): Use them.
13289 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13290 Richard Henderson <rth@redhat.com>
13291 Jakub Jelinek <jakub@redhat.com>
13292 Diego Novillo <dnovillo@redhat.com>
13294 * c-parser.c (pragma_omp_clause): Define.
13295 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13296 (c_parser_compound_statement): Likewise.
13297 (c_parser_statement): Likewise.
13298 (c_parser_pragma): Handle omp pragmas.
13299 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13300 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13301 (c_parser_omp_clause_name, check_no_duplicate_clause,
13302 c_parser_omp_variable_list,
13303 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13304 c_parser_omp_clause_copyprivate,
13305 c_parser_omp_clause_default,
13306 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13307 c_parser_omp_clause_lastprivate,
13308 c_parser_omp_clause_nowait,
13309 c_parser_omp_clause_num_threads,
13310 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13311 c_parser_omp_clause_reduction,
13312 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13313 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13314 c_parser_omp_atomic, c_parser_omp_barrier,
13315 c_parser_omp_critical, c_parser_omp_flush,
13316 c_parser_omp_for_loop, c_parser_omp_for,
13317 c_parser_omp_master, c_parser_omp_ordered,
13318 c_parser_omp_sections_scope, c_parser_omp_sections,
13319 c_parser_omp_parallel, c_parser_omp_single,
13320 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13321 * c-pragma.c (init_pragma): Do omp pragma registration here.
13322 * c.opt (fopenmp): New flag.
13324 2006-01-18 Eric Christopher <echristo@apple.com>
13326 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13327 * config/darwin.h (GOMP_SELF_SPECS): Define.
13329 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13331 * rtl.h: Remove the prototype for reg_alloc.
13333 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13336 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13337 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13338 sjlj and dwarf2 exception handling.
13339 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13340 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13341 * pa/pa.c (function_value): Treat complex and vector types as
13343 (function_arg): Likewise. Only pass scalar floats in the floating
13344 point argument registers.
13345 * pa/t-slibgcc-dwarf-ver: New file.
13346 * pa/t-slibgcc-sjlj-ver: New file.
13347 * pa/t-slibgcc-elf-ver: Delete file.
13349 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13351 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13352 unlikely_test_section_p test.
13354 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13356 * mode-switching.c (optimize_mode_switching): Make it static.
13357 * basic-block.h: Remove the prototype for
13358 optimize_mode_switching.
13360 * modulo-sched.c (sms_schedule): Make it static.
13361 * rtl.h: Remove the prototype for sms_schedule.
13363 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13364 * rtl.h: Remove the prototype for gcse_after_reload_main.
13366 * reg-stack.c (reg_to_stack): Make it static.
13367 * rtl.h: Remove the prototype for reg_to_stack.
13369 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13371 * rtl.h: Remove the prototypes for regrename_optimize and
13372 copyprop_hardreg_forward.
13374 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13376 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13377 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13378 Test against the appropriate null constant for the mode.
13379 If 'fixup_overlap' is true, swap the operands if they overlap.
13380 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13381 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13382 alpha_split_tmode_pair and adjust for above change.
13383 * config/alpha/alpha.md (movtf_internal): Adjust call to
13384 alpha_split_tfmode_pair and rely on it to swap the operands.
13385 (movti_internal): New insn and post-reload splitter.
13386 (movti): New expander.
13388 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13390 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13393 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13395 * rtlanal.c (global_reg_mentioned_p_1,
13396 global_reg_mentioned_p): Remove.
13397 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13399 * flow.c (initialize_uninitialized_subregs): Make it static.
13400 * rtl.h: Remove the prototype for
13401 initialize_uninitialized_subregs.
13403 * function.c (instantiate_virtual_regs): Make it static.
13404 * function.h: Remove the prototype for
13405 instantiate_virtual_regs.
13407 * regmove.c (regmove_optimize, combine_stack_adjustments):
13409 * rtl.h: Remove the prototypes for regmove_optimize and
13410 combine_stack_adjustments.
13412 2006-01-17 Roger Sayle <roger@eyesopen.com>
13414 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13415 (size_cost): Encode costs in bytes so that a reg-reg addition is
13416 equivalent to COSTS_N_INSNS(1).
13417 (override_options): Use the size_cost.branch_cost as the default
13418 ix86_branch_cost when optimizing for size.
13420 2006-01-18 Ben Elliston <bje@au.ibm.com>
13422 * Makefile.in (D32PBIT_FUNCS): New.
13423 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13424 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13425 D64PBIT_FUNCS and D128PBIT_FUNCS.
13426 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13427 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13429 (decnumber_dep): Define.
13430 * doc/libgcc.texi (Decimal float library routines): New node.
13431 * config/dfp-bit.h, config/dfp-bit.c: New files.
13433 2006-01-18 Ben Elliston <bje@au.ibm.com>
13435 * expr.c (emit_move_change_mode): Always adjust addresses, not
13436 just during reload. Copy replacements only during reload.
13437 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13438 emit_move_via_integer.
13440 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13442 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13443 instead of $(srcdir) and ${srcdir}.
13445 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13448 PR middle-end/11135
13449 * arm.h (struct machine_function): Add pic_reg.
13450 * arm.c (arm_pic_register): Make unsigned.
13451 (arm_override_options): Only set arm_pic_register if
13452 TARGET_SINGLE_PIC_BASE.
13453 (use_return_insn): Only test for a pic register if it is fixed.
13454 (arm_compute_save_reg0_reg12_mask): Likewise.
13455 (thumb_compute_save_reg_mask): Likewise.
13456 (legitimate_pic_operand): Factor out some known invariants.
13457 (legitimize_pic_address): If we don't have a fixed pic register,
13458 then set up a pseudo in the function entry sequence. Handle the
13459 pic base being in a pseudo.
13460 (arm_load_pic_register): Handle the pic register being in a pseudo.
13461 (arm_expand_prologue): Only set up the pic register if it is fixed.
13462 (thumb_expand_prologue): Likewise.
13463 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13464 (pic_load_addr_based_insn): Likewise.
13465 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13468 2006-01-18 Ben Elliston <bje@au.ibm.com>
13470 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13471 decimal float modes for all floating point registers.
13473 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13474 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13476 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13479 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13480 even when the pointer is not NULL.
13482 2006-01-16 Ian Lance Taylor <ian@airs.com>
13484 * common.opt (ftoplevel-reorder): New option.
13485 * cgraph.c (cgraph_asm_nodes): New global variable.
13486 (cgraph_asm_last_node): New static variable.
13487 (cgraph_order): New global variable.
13488 (cgraph_create_node): Set new order field.
13489 (cgraph_varpool_node): Likewise.
13490 (decide_is_variable_needed): Return true if not
13491 flag_toplevel_reorder.
13492 (cgraph_add_asm_node): New function.
13493 * cgraph.h (struct cgraph_node): Add order field.
13494 (struct cgraph_varpool_node): Add order field.
13495 (struct cgraph_asm_node): Define.
13496 (cgraph_asm_nodes, cgraph_order): Declare.
13497 (cgraph_add_asm_node): Declare.
13498 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13500 (cgraph_varpool_assemble_pending_decls): Call it.
13501 (cgraph_output_pending_asms): New static function.
13502 (cgraph_finalize_compilation_unit): Call it.
13503 (struct cgraph_order_sort): Define.
13504 (cgraph_output_in_order): New static function.
13505 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13506 !flag_toplevel_reorder case.
13507 * c-parser.c: Include "cgraph.h".
13508 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13510 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13511 than -fno-unit-at-a-time.
13512 * doc/invoke.texi (Option Summary): Mention
13513 -fno-toplevel-reorder.
13514 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13515 -funit-at-a-time documentation.
13517 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13518 Kazu Hirata <kazu@codesourcery.com>
13520 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13522 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13524 * Makefile.in (FUNCTION_H): New. Use it instead of
13525 function.h throughout the file.
13526 * function.h: Include tree.h.
13528 2006-01-17 Ben Elliston <bje@au.ibm.com>
13530 * recog.c: Separate some functions with whitespace.
13532 2006-01-16 Richard Henderson <rth@redhat.com>
13534 Merge from gomp branch:
13535 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13536 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13537 and rename from struct inline_data. Rename callee* to dst*;
13538 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13539 transform_new_cfg, transform_return_to_modify, and
13540 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13542 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13543 (copy_decl_for_dup): Remove.
13544 * tree-inline.c (struct inline_data): Move to header.
13545 (insert_decl_map): Export.
13546 (remap_decl): Update for member name changes. Use copy_decl hook.
13547 Allow for replacement to be a non-decl. Remove dead code.
13548 (remap_type_1): Check for existing mapping.
13549 (remap_type): Export.
13550 (remap_decls): Update for member name changes.
13551 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13552 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13553 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13554 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13555 (tree_function_versioning, build_duplicate_type): Likewise.
13556 (copy_body_r): Likewise. Export.
13557 (copy_decl_for_dup): Split into ...
13558 (copy_decl_for_dup_finish, copy_decl_to_var,
13559 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13560 (replace_ref_tree, inlining_p): Remove.
13562 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13564 * ifcvt.c (if_convert): Make it static.
13565 * rtl.h: Remove the prototype for if_convert.
13567 * local-alloc.c (local_alloc): Make it static.
13568 * rtl.h: Remove the prototype for local_alloc.
13570 * loop.c (loop_optimize): Make it static.
13571 * cfgloop.h: Remove the prototype for loop_optimize.
13574 2006-01-16 DJ Delorie <dj@redhat.com>
13576 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13579 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13581 * pa.md: Disparage copies between general and floating-point registers
13582 in 32-bit move patterns.
13584 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13587 * Makefile.in (check-%): Depend on site.exp instead of
13588 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13593 * global.c (global_alloc): Make it static.
13594 * rtl.h: Remove the prototype for global_alloc.
13596 2006-01-16 Richard Guenther <rguenther@suse.de>
13598 * tree-ssa-alias.c (struct used_part): Add write_only field.
13599 (get_or_create_used_part_for): Initialize it to true.
13600 (create_overlap_variables_for): Don't create structure variables
13601 for structures that only are written to.
13602 (find_used_portions): Handle MODIFY_EXPR to track whether a
13603 structure is only written to.
13605 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13607 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13609 * basic-block.h: Remove the prototype for
13610 partition_hot_cold_basic_blocks.
13612 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13614 * cppspec.c (lang_specific_spec_functions): Remove.
13615 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13616 * gcc.h (lang_specific_spec_functions): Remove.
13617 * gccspec.c (lang_specific_spec_functions): Remove.
13619 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13621 * combine.c (record_value_for_reg): Invalidate registers
13623 (record_dead_and_set_regs_1): Likewise, by passing them to
13624 record_value_for_reg.
13625 (record_dead_and_set_regs): Invalidate stores made by a
13626 call. We do not combine across a call, but we still
13627 relied on equivalences.
13629 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13631 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13632 vrp_int_const_binop returning non-constant nodes.
13634 2006-01-16 Paul Brook <paul@codesourcery.com>
13636 * config/m68k/m68k.c (output_move_const_into_data_reg):
13637 Output correct mnemonic for mvz and mvs.
13639 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13641 * rtl-factoring.c: Add sequence abstraction algorithm.
13642 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13643 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13645 (block_has_preserve_label): New function.
13646 * common.opt: Register new pass.
13647 * Makefile.in: Ditto.
13649 * timevar.def: Ditto.
13650 * tree-pass.h: Ditto.
13651 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13652 * rtl.h (make_jump_insn_raw): Add forward decl.
13653 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13655 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13656 Roger Sayle <roger@eyesopen.com>
13658 * fold-const.c (fold_minmax): New static function.
13659 (fold_binary) <MIN_EXPR>: Call it.
13660 <MAX_EXPR>: Likewise.
13661 * stor-layout.c (place_field): Use DECL_SIZE consistently
13662 in the computation of the new record size.
13664 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13666 * cse.c (cse_condition_code_reg): Make it static.
13667 * rtl.h: Remove the prototype for cse_condition_code_reg.
13669 * combine.c (combine_instructions): Make it static.
13670 * rtl.h: Remove the prototype for combine_instructions.
13672 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13675 * tree.c (get_file_function_name_long): Concatenate the first global
13676 object name with a string derived from the input filename of the object
13679 2006-01-16 Ben Elliston <bje@au.ibm.com>
13681 * config/i386/winnt-stubs.c: Update FSF address.
13682 * config/xtensa/ieee754-df.S: Ditto.
13683 * config/xtensa/ieee754-sf.S: Ditto.
13685 2006-01-14 Ian Lance Taylor <ian@airs.com>
13687 * ifcvt.c (noce_init_if_info): New static function, broken out of
13688 noce_process_if_block.
13689 (noce_process_if_block): Call noce_init_if_info.
13690 (check_cond_move_block): New static function.
13691 (cond_move_process_if_block): New static function.
13692 (process_if_block): Call cond_move_process_if_block.
13694 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13696 * cselib.c (hash_table): Rename to cselib_hash_table.
13697 (cselib_clear_table, discard_useless_values,
13698 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13699 cselib_init, cselib_finish): Adjust uses of hash_table.
13701 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13703 PR tree-optimization/25485
13704 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13705 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13706 is known to be false and true, respectively.
13708 2006-01-14 Richard Guenther <rguenther@suse.de>
13710 PR tree-optimization/22548
13711 PR tree-optimization/22555
13712 PR tree-optimization/22501
13713 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13714 * params.def (salias-max-array-elements): New parameter.
13715 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13716 * doc/invoke.texi (salias-max-array-elements): Document.
13717 * tree-flow-inline.h (var_can_have_subvars): We also handle
13719 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13721 * tree-ssa-structalias.c (params.h): Include.
13722 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13723 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13724 (get_constraint_for): For ADDR_EXPR operating on something
13725 containing an ARRAY_REF, add all subvars to the solution.
13726 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13727 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13728 for creating MUST_DEFs.
13729 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13731 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13733 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13735 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13736 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13737 number_of_iterations_le): New functions.
13738 (number_of_iterations_special): Removed.
13739 (number_of_iterations_exit): Do not use number_of_iterations_special.
13740 * tree.c (unsigned_type_for): Always return integer type.
13742 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13743 Richard Guenther <rguenther@suse.de>
13745 PR rtl-optimization/24257
13746 * gcse.c (find_moveable_store): Only consider a store movable
13747 when the SET_SRC of the insn can be assigned to a register.
13749 2006-01-14 Ian Lance Taylor <ian@airs.com>
13751 * tree.c (tree_not_class_check_failed): New function.
13752 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13753 (tree_not_class_check_failed): Declare.
13755 2006-01-13 Ian Lance Taylor <ian@airs.com>
13757 * reload1.c (do_output_reload): Add assertion rejecting a
13760 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13762 * combine.c (struct reg_stat): Add new fields truncation_label and
13764 (record_value_for_reg): Reset truncated_to_mode.
13765 (record_truncated_value): New function.
13766 (check_promoted_subreg): Call it. Rename to check_conversions.
13767 (combine_instructions): Rename check_promoted_subreg to
13769 (reg_truncated_to_mode): New function.
13770 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13771 (gen_lowpart_or_truncate): New function.
13772 (force_to_mode): Use it instead of gen_lowpart.
13774 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13776 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13777 VAR is a tag, not its type tag.
13779 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13781 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13782 alternatives to match style of other entries.
13783 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13785 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13787 PR tree-optimization/25771
13788 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13791 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13794 * tree-inline.c (declare_return_variable): If the return variable
13795 was marked as a non gimple complex, set the return slot variable
13796 to be a non gimple comple variable.
13798 2006-01-13 Richard Guenther <rguenther@suse.de>
13800 * builtins.c (expand_builtin_sincos): New function.
13801 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13803 (expand_builtin): Expand sincos using expand_builtin_sincos.
13805 2006-01-12 DJ Delorie <dj@redhat.com>
13807 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13808 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13809 so that constant shifts can be split.
13810 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13811 (m32c_valid_pointer_mode): Make static.
13812 (shift_gen_func_for): New.
13813 (m32c_prepare_shift): Use it. Split large const shifts into
13815 * config/m32c/predicates.md (shiftcount_operand): Allow more
13817 (longshiftcount_operand): New.
13818 * doc/md.texi (Machine Constraints): Document In6.
13820 2006-01-13 Ben Elliston <bje@au.ibm.com>
13822 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13823 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13826 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13828 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13829 to try to avoid clobbering pieces of structures when we know
13830 something about the whole structure.
13831 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13833 2006-01-13 Ben Elliston <bje@au.ibm.com>
13835 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13836 return in memory, as this is no limitation is no longer present.
13838 2006-01-12 DJ Delorie <dj@redhat.com>
13840 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13841 mova with fb, and for fb+0 -> An.
13843 * config/m32c/mov.md (peephole2): Fix enabling logic.
13845 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13846 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13847 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13848 FINI_ARRAY_SECTION_ASM_OP): Define.
13850 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13852 (m32c_legitimize_reload_address): New logic to reload FB to An.
13853 (m32c_output_reg_push): Add newline.
13854 (m32c_output_reg_pop): Likewise.
13856 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13858 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13860 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13862 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13864 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13866 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13869 2006-01-11 Ben Elliston <bje@au.ibm.com>
13871 * rtlanal.c (find_reg_note): Assert insn is not null.
13873 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13875 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13878 2006-01-11 Jeff Law <law@redhat.com>
13880 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13882 (mark_threaded_blocks, register_jump_thread): New functions.
13883 (thread_through_all_blocks): Remove unwanted argument. No
13884 longer rely on e->aux to communicate thread target info.
13885 Call mark_threaded_blocks. Release the threaded_blocks
13886 bitmap and threaded_edges vector when complete.
13887 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13888 (threaded_blocks): Remove.
13889 (tree_ssa_dominator_optimize): Remove initialization and
13890 finalization of threaded_blocks. Simplify call to
13891 thread_through_all_blocks.
13892 (thread_across_edge): Call register_jump_thread rather than
13893 storing thread information into e->aux.
13894 (free_all_edge_infos): Simplify now that e->aux is no longer
13895 used to communicate with thread_through_all_blocks.
13896 * tree-flow.h (thread_through_all_blocks): Update prototype.
13897 (register_jump_thread): Prototype.
13899 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13901 * df-core.c (df_compact_blocks, df_bb_replace): Use
13902 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13904 2006-01-11 Richard Guenther <rguenther@suse.de>
13906 PR tree-optimization/25734
13907 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13908 stop propagation after successful propagation to the LHS.
13910 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13912 * basic-block.h (control_flow_graph): Change the type of
13913 x_basic_block_info to VEC(basic_block,gc) *.
13914 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13916 (SET_BASIC_BLOCK): New.
13917 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13918 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13919 * cfgbuild.c (find_basic_blocks): Likewise.
13920 * cfglayout.c (fixup_reorder_chain): Likewise.
13921 * cfgrtl.c (create_basic_block_structure,
13922 rtl_create_basic_block): Likewise.
13923 * ifcvt.c (find_if_case_1): Likewise.
13924 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13927 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13929 * Makefile.in: Removed rotted odf.c entry.
13931 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13934 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13935 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13936 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13937 output pattern modifier, not %e.
13938 * config/cris/cris.c (cris_op_str): Update comment about pattern
13940 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13941 before falling through into...
13942 <case 'E'>: Redefined from old 'e' case.
13944 2006-01-11 Jan Hubicka <jh@suse.cz>
13947 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13949 2006-01-11 Jan Hubicka <jh@suse.cz>
13951 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13952 * i386.c (x86_decompose_lea): Kill.
13953 (ix86_rtx_costs): Kill.
13955 2006-01-11 Jan Hubicka <jh@suse.cz>
13957 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13958 * cgraph.h (cgraph_node): Add inline_decl.
13959 (cgraph_insert_node_to_hashtable): Declare.
13960 (save_inline_function_body): Declare.
13961 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13963 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13964 (cgraph_function_versioning): Update call of tree_function_versioning.
13965 (save_inline_function_body): New function.
13966 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13967 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13968 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13969 (cgraph_default_inline_p): Likewise.
13970 (cgraph_decide_inlining_incrementally): Likewise.
13971 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13972 (copy_bb): Kill saving; do updating of clones.
13973 (copy_cfg_body): Kill saving.
13974 (initialize_inlined-parameters): Likewise.
13975 (expand_call_inline): Likewise.
13977 (tree_function_versioning): New parameter "update_clones".
13978 (inlining_p): Kill saving.
13979 * tree-inline.h (tree_function_versioning): Update prototype.
13980 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13983 2006-01-11 Ian Lance Taylor <ian@airs.com>
13985 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13986 Allow undoing set of machine mode.
13987 (do_SUBST): Use enums instead of is_int.
13988 (do_SUBST_MODE): New function.
13989 (SUBST_MODE): New macro.
13990 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13991 reg and trying to replace reg_regno_rtx with a new register.
13992 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13993 (simplify_set): Use SUBST_MODE.
13994 (distribute_notes): Remove code that tried to update reg notes
13995 for regno_reg_rtx changes.
13997 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13999 PR tree-optimization/23109
14000 PR tree-optimization/23948
14001 PR tree-optimization/24123
14003 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14004 * tree-cfg.c (single_noncomplex_succ): New.
14005 * tree-flow.h (single_noncomplex_succ): Declare it.
14006 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14007 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14008 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14009 insert_bb, register_division_in, insert_reciprocals,
14010 replace_reciprocal, free_bb): New.
14011 (execute_cse_reciprocals_1): Rewritten.
14012 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14013 Do not commit any edge insertion. Always compute dominators and
14014 create the allocation pool.
14015 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14016 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14017 * targhooks.c (default_min_divistions_for_recip_mul): New.
14018 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14019 * passes.c (init_optimization_passes): Run recip after tree loop
14021 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14023 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14024 Kenneth Zadeck <zadeck@naturalbridge.com>
14026 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14027 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14028 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14029 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14030 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14031 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14032 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14033 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14034 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14035 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14036 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14037 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14038 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14039 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14040 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14041 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14042 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14043 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14044 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14045 DF_SCAN_POST_ALLOC): New macros.
14046 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14047 df_free_bb_function, df_local_compute_function, df_init_function,
14048 df_dataflow_function, df_confluence_function_0,
14049 df_confluence_function_n, df_transfer_function,
14050 df_finalizer_function, df_free_function, df_dump_problem_function,
14051 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14052 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14053 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14054 df_urec_bb_info, ) New types.
14055 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14057 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14058 df_analyze_simple_change_some_blocks,
14059 df_analyze_simple_change_one_block, df_compact_blocks,
14060 df_bb_replace, df_bb_regno_last_use_find,
14061 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14062 df_insn_regno_def_p, df_find_def, df_find_use,
14063 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14064 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14065 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14066 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14067 debug_df_chain, df_get_dependent_problem, df_chain_create,
14068 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14069 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14070 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14071 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14072 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14073 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14074 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14075 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14076 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14077 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14078 df_reorganize_refs, df_set_state, df_hard_reg_init,
14079 df_read_modify_subreg_p) New public functions.
14080 * df-core.c: The core dataflow solver and glue routines for rtl
14082 (df_init, df_add_problem, df_set_blocks, df_finish,
14083 df_hybrid_search_forward, df_hybrid_search_backward,
14084 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14085 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14086 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14087 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14088 df_reg_defined, df_find_use, df_reg_used, df_dump,
14089 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14090 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14091 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14092 debug_df_useno, reset_df_after_reload): New functions.
14093 * df-scan.c: The scanning fuctions, once in df.c, completely
14094 rewritten so that they now fully model the functionality of
14095 register usage at the backend.
14096 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14097 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14098 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14099 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14100 df_get_artificial_defs, df_get_artificial_uses,
14101 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14102 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14103 df_refs_delete, df_reorganize_refs, df_set_state,
14104 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14105 df_def_record_1, df_defs_record, df_uses_record,
14106 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14107 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14108 df_record_exit_block_uses, df_hard_reg_init): New functions.
14110 * df-problems.c: Seven concrete dataflow problems that use the
14111 scanning in df-scan.c and are solved by the engine in df-core.c.
14112 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14113 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14114 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14115 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14116 df_ru_free_bb_info, df_ru_alloc,
14117 df_ru_bb_local_compute_process_def,
14118 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14119 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14120 df_ru_transfer_function, df_ru_free, df_ru_dump,
14121 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14122 df_rd_free_bb_info, df_rd_alloc,
14123 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14124 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14125 df_rd_transfer_function, df_rd_free, df_rd_dump,
14126 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14127 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14128 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14129 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14130 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14131 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14132 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14133 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14134 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14135 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14136 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14137 df_urec_mark_reg_use_for_earlyclobber,
14138 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14139 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14140 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14141 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14142 df_chain_create_bb_process_use, df_chain_create_bb,
14143 df_chain_finalize, df_chain_free, df_chains_dump,
14144 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14145 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14146 df_reg_lifetime): New functions.
14147 * df.c: Deleted file.
14148 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14149 consistent with new df api.
14150 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14151 rest_of_handle_sms): Ditto.
14152 * web.c (unionfind_union, union_defs, entry_register, web_main):
14154 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14155 invariant_expr_equal_p, find_defs, check_dependencies,
14156 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14157 free_inv_motion_data, move_loop_invariants): Ditto.
14158 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14159 Update dependencies.
14160 (odf.c): Added defective entry that was deleted later in day.
14161 * sched-deps.c (sched_analyze_1): Ditto.
14163 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14165 * tree-ssa-operands.c (get_expr_operands): Record addressable
14166 variables directly. Do not call add_stmt_operands for CONST_DECLs
14168 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14169 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14171 2006-01-11 Ben Elliston <bje@au.ibm.com>
14173 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14174 function returns true in the positive case.
14176 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14179 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14180 for SI, DI, SF and DF modes. Add alternatives to copy between
14181 general and floating point registers to the 32-bit patterns.
14182 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14183 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14184 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14185 generating 64-bit code.
14186 * config/pa/pa.c (output_move_double): Handle copies between general
14187 and floating registers.
14189 2006-01-10 Stuart Hastings <stuart@apple.com>
14191 * config/i386/i386.md (set_got): Update.
14192 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14193 (builtin_setjmp_receiver): Mach-O support.
14194 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14195 (GOT_SYMBOL_NAME): Define.
14196 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14197 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14198 * config/i386/i386.c (override_options): Revise for Darwin.
14199 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14200 support. (darwin_x86_file_end): New. (output_set_got): Add label
14201 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14202 * config/i386/i386-protos.h (output_set_got): Likewise.
14203 * config/darwin.c (machopic_legitimize_pic_address): Update
14206 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14208 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14209 when MODE isn't BLKmode.
14211 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14213 PR rtl-optimization/25367
14214 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14216 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14219 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14220 for a negative bound.
14222 2006-01-10 Richard Guenther <rguenther@suse.de>
14224 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14225 Never override with anything constraint.
14227 2006-01-10 Jan Beulich <jbeulich@novell.com>
14229 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14230 256 bits when optimize_size.
14232 2006-01-10 Jan Beulich <jbeulich@novell.com>
14234 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14236 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14237 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14240 2006-01-10 Ben Elliston <bje@au.ibm.com>
14242 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14244 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14245 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14246 (USE_FP_FOR_ARG): Reject decimal float modes.
14247 (function_arg_advance): Likewise.
14248 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14249 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14250 point types in AltiVec vectors.
14251 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14252 (rs6000_libcall_value): Likewise.
14254 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14256 * config/xtensa/ieee754-df.S: New file.
14257 * config/xtensa/ieee754-sf.S: New file.
14258 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14259 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14260 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14262 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14264 * config/sh/predicates.md (binary_float_operator,
14265 binary_logical_operator, commutative_float_operator,
14266 equality_comparison_operator, greater_comparison_operator,
14267 less_comparison_operator, logical_operator,
14268 noncommutative_float_operator, shift_operator,
14269 symbol_ref_operand, unary_float_operator): Remove redundant
14272 2006-01-09 Jeff Law <law@redhat.com>
14274 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14275 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14276 now unused arguments. Callers updated.
14277 (eliminate_redundant_computations): Remove now unused arguments,
14279 (local_fold): Remove, no longer used.
14280 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14282 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14283 (simplify_cond): New function.
14284 (forward_propagate_into_cond): Call simplify_cond.
14286 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14288 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14289 (*vec_extractv2di_1_sse): New.
14291 2006-01-09 Ben Elliston <bje@au.ibm.com>
14293 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14295 2006-01-08 Richard Guenther <rguenther@suse.de>
14297 * tree-ssa-structalias.c (get_constraint_for): Remove
14298 anyoffset argument.
14299 (get_constraint_for_component_ref): Likewise.
14300 (do_deref): Likewise.
14301 (get_constraint_for): Likewise.
14302 (do_structure_copy): Likewise.
14303 (handle_ptr_arith): Likewise.
14304 (find_func_aliases): Likewise. Remove unused need_anyoffset
14307 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14308 Kaz Kojima <kkojima@gcc.gnu.org>
14310 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14311 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14312 (EXTRA_CONSTRAINT_C16): Remove.
14313 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14314 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14315 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14316 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14317 constants of SHmedia. Handle nested constant expressions of
14319 (andcosts): Fix the costs for SHmedia constants.
14320 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14321 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14322 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14323 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14324 (movv4hi_i, movv2si_i): Likewise.
14325 (movsi_const): Adjust the second operand of ior so to match with
14326 the Csu constraint.
14327 (movdi_const, movdi_const_32bit): Likewise.
14328 (movdi_const_16bit+1): Don't sign-extend LOW.
14329 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14331 (*double_shori): Fix the split condition. Use GEN_INT instead
14332 of get_int_mode calls. Mask lower 16-bit of the argument of
14334 (sym2GOTPLT): Remove.
14335 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14337 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14338 instead of EXTRA_CONSTRAINT_C16.
14340 2006-01-07 Ian Lance Taylor <ian@airs.com>
14341 David Edelsohn <edelsohn@gnu.org>
14343 PR rtl-optimization/25662
14344 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14345 for constant operands instead of simplify_gen_binary.
14346 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14347 after trying simplify_binary_operation
14349 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14351 * tree.c (iterative_hash_expr): Hash decls based on UID.
14353 2006-01-06 Eric Christopher <echristo@apple.com>
14355 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14356 (TARGET_UNWIND_EMIT): Fix spelling.
14357 * target.h (gcc_target): Add except_table_label.
14358 * except.c (output_function_exception_table): Use.
14359 * varasm.c (default_emit_except_table_label): New.
14360 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14362 (asm_out): Add here.
14363 * output.h (default_emit_except_table_label): Prototype.
14364 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14365 * config/darwin.c (darwin_emit_except_table_label): Define.
14366 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14368 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14370 PR tree-optimization/18527
14371 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14372 number_of_iterations_special, number_of_iterations_exit):
14373 Move base and step of an iv to a single structure. Add
14374 no_overflow flag, and use it in # of iterations analysis.
14375 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14376 folded_casts argument.
14377 (simple_iv): Pass base and step in a structure. Set no_overflow
14379 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14380 Evaluate expensiveness of computing # of iterations instead of
14381 the final expression.
14382 * tree-scalar-evolution.h (affine_iv): New structure.
14383 (simple_iv): Declaration changed.
14384 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14385 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14386 find_givs_in_stmt): Changed due to simple_iv change.
14388 2006-01-06 Jeff Law <law@redhat.com>
14391 * tree-cfg.c (bsi_replace): Rename final argument from
14392 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14393 change (stmt -> orig_stmt).
14394 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14395 (bsi_remove): Add new argument. Remove EH information
14397 (verify_eh_throw_table_statements): New function.
14398 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14400 * tree-optimize.c (execute_free_cfg_annotations): Verify
14401 the EH throw statement table after removing annotations.
14402 * except.h (verify_eh_throw_table_statements): Prototype.
14403 * tree-flow.h (bsi_remove): Update prototype.
14404 * tree-vrp.c (remove_range_assertions): Add new argument to
14406 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14407 * tree-complex.c (expand_complex_div_wide): Likewise.
14408 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14409 * tree-tailcall.c (eliminate_tailcall): Likewise.
14410 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14411 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14412 * tree-nrv.c (tree_nrv): Likewise.
14413 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14414 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14415 (combine_blocks): Likewise.
14416 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14417 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14418 (cleanup_control_flow): Likewise.
14419 (remove_forwarder_block): Likewise.
14420 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14421 * tree-sra.c (sra_replace): Likewise.
14422 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14423 (forward_propagate_single_use_vars): Likewise.
14424 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14425 * tree-inline.c (expand_call_inline): Likewise.
14426 * tree-vect-transform.c (vect_transform_loop): Likewise.
14427 * tree-outof-ssa.c (rewrite_trees): Likewise.
14428 * tree-cfg.c (make_goto_expr_edges): Likewise.
14429 (cleanup_dead_labels): Likewise.
14430 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14431 (bsi_move_before, bsi_move_after): Likewise.
14432 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14433 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14435 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14438 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14440 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14441 on non gimple variables. Also add checks at the top for decls and
14443 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14445 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14446 and IMAGPART_EXPR for creating MUST_DEFs.
14447 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14448 and NAME_MEMORY_TAG separately from the DECLs.
14450 2006-01-06 Richard Guenther <rguenther@suse.de>
14452 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14453 annotation, if necessary.
14454 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14455 redundant calls to update_stmt.
14456 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14459 2006-01-05 Richard Henderson <rth@redhat.com>
14461 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14463 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14465 * c-typeck.c: Update copyright date.
14467 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14469 * c-typeck.c (build_c_cast): Always warn when casting
14470 from a pointer to an integer of different size, even if
14471 the node was constant.
14473 2006-01-05 Richard Guenther <rguenther@suse.de>
14475 PR tree-optimization/22555
14476 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14477 if one structure field is an array.
14478 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14479 operands even if we found a subvar, but ignore VOPs in this
14481 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14483 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14485 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14487 PR middle-end/24998
14488 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14490 2006-01-05 Richard Guenther <rguenther@suse.de>
14491 Diego Novillo <dnovillo@redhat.com>
14493 * tree-pass.h (TODO_remove_unused_locals): Define.
14494 * gimple-low.c (expand_var_p, remove_useless_vars,
14495 pass_remove_useless_vars): Remove. Update all users.
14496 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14497 (remove_unused_locals): New function.
14498 * tree-flow.h (remove_unused_locals): Declare.
14499 * passes.c (execute_todo): Call remove_unused_locals if
14500 TODO_remove_unused_locals is set.
14501 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14502 * tree-ssa-dce.c (pass_dce): Likewise.
14503 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14505 2006-01-05 Richard Guenther <rguenther@suse.de>
14507 * tree-flow.h (struct fieldoff): Decompose field to
14508 type, size and decl.
14509 * tree-ssa-alias.c (create_sft): Take type as parameter.
14510 (create_overlap_variables_for): Store type, size and decl
14511 in the fieldoff structure.
14512 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14513 of struct fieldoff.
14514 (push_fields_onto_fieldstack): Likewise.
14515 (create_variable_info_for): Likewise. Use offset for the
14516 SFT name if the decl is not available.
14518 2006-01-04 Paul Brook <paul@codesourcery.com>
14520 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14522 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14524 * lambda-code.c (can_put_in_inner_loop): Relax
14526 (can_put_after_inner_loop): New function.
14527 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14528 (perfect_nestify): Change to make copies and modify uses.
14530 2006-01-04 Richard Henderson <rth@redhat.com>
14532 Merge from gomp branch:
14533 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14534 via integer constant.
14535 (pragma_lex): Remove.
14536 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14537 rather than parsing it.
14538 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14539 handle_pragma_extern_prefix): Add %< %> quotes.
14540 (registered_pragmas): New.
14541 (c_register_pragma_1): New.
14542 (c_register_pragma): Use it.
14543 (c_register_pragma_with_expansion): Likewise.
14544 (c_invoke_pragma_handler): New.
14545 (init_pragma): Use cpp_register_deferred_pragma directly for
14547 * c-pragma.h (enum pragma_kind): New.
14548 (pragma_handler): New.
14549 (c_invoke_pragma_handler): Declare.
14550 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14552 * c-common.h (c_common_pch_pragma): Update decl.
14553 * Makefile.in (c-parser.o): Update dependencies.
14554 (GTFILES): Add c-pragma.h.
14555 * c-parser.c (struct c_token): Add pragma_kind.
14556 (struct c_parser): Add in_pragma.
14557 (c_lex_one_token): Always initialize keyword and pragma_kind.
14558 Extract data for CPP_PRAGMA.
14559 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14560 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14561 Don't allow CPP_PRAGMA_EOL if in_pragma.
14562 (c_parser_consume_pragma): New.
14563 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14564 (c_parser_skip_to_end_of_parameter): Likewise.
14565 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14566 (c_parser_skip_to_pragma_eol): New.
14567 (c_parser_external_declaration): Handle CPP_PRAGMA.
14568 (c_parser_compound_statement_nostart): Likewise.
14569 (c_parser_statement_after_labels): Likewise.
14570 (c_parser_pragma): New.
14571 (pragma_lex): Likewise.
14572 (c_parser_pragma_pch_preprocess): New.
14573 (c_parser_new): Merge into ...
14574 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14576 2006-01-04 Jeff Law <law@redhat.com>
14579 * tree-cfg.c (bsi_replace): Remove the original statement
14580 from the EH throw statement table.
14582 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14584 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14585 make the prototype extern "C" and add throw ().
14588 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14589 and pos non-negative and pos + len <= 32.
14590 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14591 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14592 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14595 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14596 as well as sizes not multiple of component size.
14599 * function.c (instantiate_expr): New function.
14600 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14601 walk its DECL_VALUE_EXPR with instantiate_expr.
14603 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14604 DW_OP_deref{,_size} if address isn't going to be added.
14606 2006-01-04 Ben Elliston <bje@au.ibm.com>
14608 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14609 * config/fp-bit.c: Likewise.
14611 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14613 * dominance.c: Add comment about why we use DFS numbering
14616 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14617 Richard Henderson <rth@redhat.com>
14619 Merge from gomp-branch:
14620 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14621 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14623 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14625 PR rtl-optimization/25578
14626 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14627 pass a parameter to simplify_shift_const if changing ASHIFTRT
14630 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14632 * builtins.c (get_builtin_sync_mem): New function.
14633 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14634 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14635 Call get_builtin_sync_mem to generate mem rtx.
14637 2006-01-03 Richard Guenther <rguenther@suse.de>
14640 * stmt.c (add_case_node): Make sure to clear overflow flags
14643 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14645 Merge from gomp-branch.
14646 * config/sparc/sync.md: New file.
14647 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14648 UNSPECV_LDSTUB): New constants.
14649 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14650 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14651 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14654 2006-01-03 Roger Sayle <roger@eyesopen.com>
14656 * combine.c (reg_subword_p): New predicate to test whether the
14657 destination of a set refers to a subword/piece of a register.
14658 (try_combine): Generalize the code to merge the setting of a
14659 pseudo to a constant followed by a set of a subword of that
14660 register to a constant.
14662 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14664 * basic-block.h (control_flow_graph): Change the type of
14665 x_label_to_block_map to VEC(basic_block,gc) *.
14666 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14667 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14669 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14670 VEC(basic_block,heap) *.
14671 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14672 ssa_prop_fini): Adjust the uses of cfg_blocks.
14674 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14676 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14678 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14679 hashing trees instead of a pointer hash.
14680 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14681 compare for MEM_EXPR.
14683 PR rtl-optimization/25130
14684 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14685 when comparing MEMs for GCSE
14687 2006-01-03 Ben Elliston <bje@au.ibm.com>
14689 * targhooks.h (default_decimal_float_supported_p): Declare.
14690 * targhooks.c (default_decimal_float_supported_p): Define.
14691 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14692 `default_decimal_float_supported_p'.
14693 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14695 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14697 * combine.c (apply_distributive_law <SUBREG>): Check
14698 TRULY_NOOP_TRUNCATION.
14700 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14702 * dwarf2out.c (have_switched_text_section): Delete.
14703 (have_multiple_function_sections): New.
14704 (have_location_lists): Make 'bool'.
14705 (add_AT_loc_list): Use 'true' not '1'.
14706 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14707 (output_loc_list): Use have_multiple_function_sections.
14708 (output_ranges): Likewise.
14709 (dwarf2out_begin_function): Set have_multiple_function_sections if
14711 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14712 Check function_section rather than DECL_SECTION_NAME.
14713 (dwarf2out_finish): Use have_multiple_function_sections.
14714 Don't clear have_location_lists.
14716 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14717 Jan Hubicka <jh@suse.cz>
14719 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14720 case of conditional jump jumping to the next instruction.
14721 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14722 cases of conditional jump jumping to the next instruction.
14724 2006-01-02 Jan Hubicka <jh@suse.cz>
14726 * i386.c (*_cost): Add COSTS_N_INSNS.
14727 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14729 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14732 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14734 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14736 * config/arm/arm.c (all_fpus): Fix comment typo.
14737 * config/darwin.c: Likewise.
14738 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14739 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14740 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14742 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14744 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14745 (rs6000_split_compare_and_swapqhi): New.
14746 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14747 (sync_compare_and_swapqhi_internal): New.
14748 * config/rs6000/rs6000-protos.h: Declare.