1 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2 David Edelsohn <edelsohn@gnu.org>
5 * config/rs6000/spe.md (frob_df_di): Remove %H.
6 (frob_di_df): Remove %H. Change evmergelo to mr.
7 (frob_di_df_2): Remove %H. Change evldd to two loads.
9 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
11 * doc/cpp.texi: Fix names of charset options.
13 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
16 * config/i386/i386.c (override_options): Use 128-bit
17 stack boundary always for 64bits.
19 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21 PR rtl-optimization/28636
22 * combine.c (force_to_mode): Test for side-effects before
24 (simplify_shift_const): Likewise for zero or other constants.
26 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
29 * builtins.c (expand_builtin_setjmp): Force next_lab to be
32 2006-09-10 Richard Sandiford <richard@codesourcery.com>
35 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
36 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
37 returned by mode_for_size, rather than the mode of src itself,
38 to choose between 32-bit and 64-bit patterns.
39 (mips_mem_fits_mode_p): New function.
40 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
41 that the size of the source matches the size of the destination.
42 (mov_<store>l, mov_<store>r): Likewise.
44 2006-09-10 Eric Christopher <echristo@apple.com>
46 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
49 2006-09-09 Eric Christopher <echristo@apple.com>
52 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
55 2006-09-09 Roger Sayle <roger@eyesopen.com>
56 Nicolas Setton <setton@adacore.com>
58 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
60 2006-09-10 Andreas Schwab <schwab@suse.de>
62 * config/m68k/m68k.md (bungt_rev): New pattern.
64 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
65 Dale Johannesen <dalej@apple.com>
68 * regclass.c (struct reg_pref): Update documentation.
69 (regclass): Set prefclass to NO_REGS if memory is the best option.
70 (record_reg_classes): Cope with a prefclass set to NO_REGS.
72 2006-09-08 Eric Christopher <echristo@apple.com>
74 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
75 * config/t-slibgcc-darwin: Support x86_64 multilib.
76 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
77 Return 1 for x86_64-darwin.
78 * config/i386/t-darwin: Add m64 multilib.
79 (LIB2_SIDITI_CONV_FUNCS): Use.
80 (LIB2FUNCS_EXTRA): Ditto.
81 * config/i386/darwin.h: Support x86_64.
82 * config/i386/i386.c (override_options): Turn on flag_pic
83 for x86_64-darwin. Disable flag_omit_pointer.
84 (get_pc_thunk_name): Assert !TARGET_64BIT.
85 (legitimate_address_p): Disable machopic addressing for
87 (legitimize_pic_address): Ditto.
88 (ix86_expand_move): Ditto.
89 (ix86_expand_call): Ditto.
90 (machopic_output_stub): Ditto.
91 * config/darwin.c (machopic_select_section): Support literal16.
92 (machopic_select_rtx_section): Ditto.
93 * config/darwin-sections.def: Ditto.
94 * config/darwin-64.c: New.
96 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
99 * c-tree.h (struct c_arg_info): Add pending_sizes.
100 * c-parser.c (c_parser_parms_declarator,
101 c_parser_parms_list_declarator): Initialize pending_sizes.
102 * c-decl.c (get_parm_info): Initialize pending_sizes.
103 (get_parm_info): Set pending_sizes.
104 (grokdeclarator): Call put_pending_sizes for parameters for
105 function definition only.
107 2006-09-07 Jason Merrill <jason@redhat.com>
110 * varasm.c (output_constant): Only strip actual no-op conversions.
113 * config/i386/i386.c (override_options): Use 128-bit
114 stack boundary if -msse.
116 2006-09-07 Eric Christopher <echristo@apple.com>
118 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
120 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
123 2006-09-07 Geoffrey Keating <geoffk@apple.com>
125 * dwarf2out.c: Remove strange characters from comment above
126 dwarf2out_frame_debug_expr.
128 2006-09-07 Eric Christopher <echristo@apple.com>
130 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
131 * config/darwin.h: ... to here.
133 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
135 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
137 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
138 (TARGET_PARTIAL_FLAG_REG_STALL): New.
140 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
141 TARGET_PARTIAL_FLAG_REG_STALL.
142 (*ashldi3_cconly_rex64): Likewise.
143 (*ashlsi3_cmp): Likewise.
144 (*ashlsi3_cconly): Likewise.
145 (*ashlsi3_cmp_zext): Likewise.
146 (*ashlhi3_cmp): Likewise.
147 (*ashlhi3_cconly): Likewise.
148 (*ashlqi3_cmp): Likewise.
149 (*ashlqi3_cconly): Likewise.
150 (*ashrdi3_cmp_rex64): Likewise.
151 (*ashrdi3_cconly_rex64): Likewise.
152 (*ashrsi3_cmp): Likewise.
153 (*ashrsi3_cconly): Likewise.
154 (*ashrsi3_cmp_zext): Likewise.
155 (*ashrhi3_cmp): Likewise.
156 (*ashrhi3_cconly): Likewise.
157 (*ashrqi3_cmp): Likewise.
158 (*ashrqi3_cconly): Likewise.
159 (*lshrdi3_cmp_rex64): Likewise.
160 (*lshrdi3_cconly_rex64): Likewise.
161 (*lshrsi3_cmp): Likewise.
162 (*lshrsi3_cconly): Likewise.
163 (*lshrsi3_cmp_zext): Likewise.
164 (*lshrhi3_cmp): Likewise.
165 (*lshrhi3_cconly): Likewise.
166 (*lshrqi2_cmp): Likewise.
167 (*lshrqi2_cconly): Likewise.
169 2006-09-07 Uros Bizjak <uros@kss-loka.si>
172 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
173 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
174 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
175 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
176 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
177 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
178 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
179 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
180 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
181 implement only CC setting effects of shift instructions.
183 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
185 * doc/contrib.texi: Add myself.
187 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
190 * stor-layout.c (relayout_decl): Don't zero the alignment if it
193 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
196 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
197 (divsi_inv_m1): Use them.
198 (UNSPEC_DIV_INV_TABLE): New constant.
200 2006-09-06 James E Wilson <wilson@specifix.com>
203 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
204 then call count_or_remove_death_notes.
206 2006-09-06 Jason Merrill <jason@redhat.com>
209 * tree-inline.c (copy_result_decl_to_var): New fn.
210 (declare_return_variable): Use it. Call declare_inline_vars here.
211 (expand_call_inline): Not here.
213 2006-09-06 Diego Novillo <dnovillo@redhat.com>
215 * doc/contrib.texi: Update my entry.
217 2006-09-06 Nick Clifton <nickc@redhat.com>
219 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
221 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
224 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
225 (canonicalize_induction_variables): Likewise.
226 (tree_unroll_loops_completely): Likewise.
227 (tree_ssa_prefetch_arrays): Likewise.
228 (remove_empty_loops): Likewise.
229 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
230 TODO_cleanup_cfg instead of directly calling
231 cleanup_tree_cfg_loop.
232 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
234 (tree_unroll_loops_completely): Likewise.
235 (remove_empty_loops): Likewise.
236 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
237 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
238 of tree_ssa_unswitch_loops.
239 (tree_ssa_loop_ivcanon): Use the return value of
240 canonicalize_induction_variables.
241 (tree_ssa_empty_loop): Use the return value of
243 (tree_complete_unroll): Use the return value of
244 tree_unroll_loops_completely.
245 (tree_ssa_loop_prefetch): Use the return value of
246 tree_ssa_prefetch_arrays.
247 * passes.c (execute_todo): Before Cleanup CFG, set
248 updating_used_alone and after cleanup CFG, call
249 recalculate_used_alone.
251 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
254 * tree-vect-transform.c (vectorizable_condition): Move the check
255 for the type after the check for simple condition.
257 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
258 Kaz Kojima <kkojima@gcc.gnu.org>
261 * mode-switching.c (optimize_mode_switching): Make the destination
262 block of an abnormal edge have no anticipatable mode. Don't
263 insert mode switching code at the end of the source block of
266 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
268 PR rtl-optimization/26847
269 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
270 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
271 (simplify_plus_minus): Count n_constants while filling ops. Replace
272 qsort with insertion sort. Before going through the array to simplify
273 pairs, sort it. Delay early exit until after the first sort, exiting
274 only if no swaps occurred. Simplify pairs in reversed order, without
275 special-casing the first iteration. Pack ops after simplifying pairs.
277 2006-09-05 Anatoly Sokolov <aesok@post.ru>
279 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
280 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
281 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
282 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
284 2006-09-05 Richard Guenther <rguenther@suse.de>
286 PR tree-optimization/28900
287 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
288 compound conditional before creating COND_EXPR condition.
290 2006-09-05 Richard Guenther <rguenther@suse.de>
292 PR tree-optimization/28905
293 * tree-vrp.c (fix_equivalence_set): Manually implement
294 !value_ranges_intersect_p to also handle symbolic ranges.
296 2006-09-05 Richard Guenther <rguenther@suse.de>
299 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
302 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
304 PR rtl-optimization/27616
305 * cse.c (table_size): New static variable.
306 (new_basic_block): Initialize it to 0.
307 (remove_from_table): Decrement it.
308 (insert): Increment it.
309 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
310 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
311 fold_rtx_mem_1 if under the cap.
312 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
313 the lookup of the equivalent expression and test for equality of the
314 first operand of the equivalent expression before in turn looking up
315 an equivalent constant for the second operand.
317 2006-09-02 Geoffrey Keating <geoffk@apple.com>
320 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
321 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
322 pointer, instead of assuming it is possible to derive the
323 correct args size from a call insn.
325 2006-09-02 Jakub Jelinek <jakub@redhat.com>
328 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
329 (fold_builtin_mempcpy): Rename to...
330 (fold_builtin_memory_op): ... this. Optimize one element copy
332 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
334 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
335 (expand_builtin_memcpy, expand_builtin_mempcpy,
336 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
337 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
338 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
339 BUILT_IN_MEM{CPY,PCPY,MOVE}.
341 2006-09-01 DJ Delorie <dj@redhat.com>
343 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
345 ("stzx_24_<mode>"): Likewise.
346 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
347 ("cmp<mode>_op"): New.
348 (cmp<mode>): Change to expander; just save operands.
350 (b<code>): Change to expander, emit compare here.
351 (s<code>_op): Change to use split and expander.
352 (s<code>_24_op): Likewise.
353 (s<code>_<mode>): New.
354 (s<code>_<mode>_24): New.
355 (movqicc_<code>_<mode): New.
356 (movhicc_<code>_<mode>): New.
359 * config/m32c/m32c.c (compare_op0, compare_op1): New.
360 (m32c_pend_compare): New.
361 (m32c_unpend_compare): New.
362 (m32c_expand_scc): New.
363 (m32c_expand_movcc): Emit the compare also.
364 * config/m32c/predicates.md (mra_nopp_operand): New.
366 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
367 Richard Guenther <rguenther@suse.de>
368 Adam Nemet <anemet@caviumnetworks.com>
371 * builtins.c (get_pointer_alignment): Handle more forms
372 of base addresses that can be used to derive more precise
373 information about alignment.
375 2006-09-01 Jason Merrill <jason@redhat.com>
378 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
381 * gimplify.c (voidify_wrapper_expr): Handle null type.
383 2006-09-01 Josh Conner <jconner@apple.com>
386 * tree-nrv.c (dest_safe_for_nrv_p): New function.
387 (execute_return_slot_opt): Use it.
389 2006-08-31 Josh Conner <jconner@apple.com>
392 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
393 returning aggregates.
395 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
397 PR tree-optimization/28839
398 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
399 blocks in that phi arguments appear.
401 2006-08-31 Roger Sayle <roger@eyesopen.com>
404 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
405 NULL, otherwise use an advance_loc4 to adjust relative to the
407 (output_cfi) <DW_CFA_set_loc>: Update the current label.
408 (dwarf2out_switch_text_section): Reset the current label to avoid
409 using advance_loc4 over section boundaries.
411 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
414 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
415 r12 + SYMBOLIC_CONST.
417 2006-08-30 Richard Guenther <rguenther@suse.de>
419 * Makefile.in (see.o): Add $(EXPR_H) dependency.
421 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
423 PR rtl-optimization/27735
424 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
425 Add new argument to keep track of whether an irreducible region
426 was affected. All callers changed.
427 (fix_irreducible_loops): Removed.
428 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
429 flags were invalidated.
431 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
433 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
434 instead of SF operands.
435 (*fop_df_comm_sse): Likewise.
436 (*fop_df_comm_i387): Likewise.
437 (*fop_df_1_mixed): Likewise.
438 (*fop_df_1_sse): Likewise.
440 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
441 J"orn Rennecke <joern.rennecke@st.com>
443 PR tree-optimization/17506
444 * tree-ssa.c (warn_uninit): If warning about a location outside of
445 the current function, note where the variable was declared.
447 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
449 PR tree-optimization/28411
450 * double-int.c (double_int_div): Use double_int_divmod.
451 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
452 double_int_mod, double_int_smod, double_int_umod): New functions.
453 * double-int.h (double_int_divmod, double_int_sdivmod,
454 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
456 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
458 (get_computation_aff, get_computation_cost_at): Handle double_int
459 return type of constant_multiple_of.
461 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
464 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
465 an implicit conversion.
467 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
469 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
471 2006-08-27 Roger Sayle <roger@eyesopen.com>
473 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
476 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
478 * config/i386/crtfastmath.c: Fix a comment typo.
480 2006-08-26 Roger Sayle <roger@eyesopen.com>
482 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
483 temporary visit flags on CASE_LABEL_EXPRs.
484 * c-common.c (match_case_to_enum): Add function comment. Avoid
485 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
486 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
487 CASE_HIGH_SEEN for enumerated types. If the switch expression is
488 a constant, only warn if that constant value isn't handled.
490 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
493 * input.h (restore_input_file_stack): Declare.
494 (INPUT_FILE_STACK_BITS): Define.
495 * toplev.c (fs_p, input_file_stack_history,
496 input_file_stack_restored, restore_input_file_stack): New.
497 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
498 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
499 (pop_srcloc): Don't free old state of stack.
501 2006-08-26 David Edelsohn <edelsohn@gnu.org>
504 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
505 (PowerPC Type Attributes): New.
507 2006-08-26 Bob Wilson <bob.wilson@acm.org>
509 * config/xtensa/xtensa.c (function_arg_boundary): New.
510 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
512 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
513 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
515 2006-08-26 Jakub Jelinek <jakub@redhat.com>
518 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
521 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
523 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
524 (verify_local_live_at_start): Likewise.
526 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
529 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
530 omp_add_variable): Treat sizes as variable whenever not
533 2006-08-26 Richard Guenther <rguenther@suse.de>
536 * fold-const.c (fold_binary): Fold temporary to correct
537 type before constructing new comparison.
539 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
542 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
543 variable again if DECL_SEEN_IN_BIND_EXPR_P.
545 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
548 * c-decl.c (start_function): Don't try to process prototype
549 information from old declaration that isn't a function.
551 2006-08-25 Jan Hubicka <jh@suse.cz>
554 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
556 2006-08-25 Alan Modra <amodra@bigpond.net.au>
559 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
562 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
564 PR tree-optimization/16876
565 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
566 exit if PARM doesn't match VALUE.
568 2006-08-25 Bob Wilson <bob.wilson@acm.org>
570 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
571 literal_prefix directive.
572 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
573 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
574 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
576 2006-08-25 David Edelsohn <edelsohn@gnu.org>
579 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
580 predicate to general_operand. Add 0->y and I->r alternatives.
582 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
584 * doc/tm.texi: Fix a typo.
585 * predict.c: Fix comment typos.
587 2006-08-25 Nick Clifton <nickc@redhat.com>
589 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
590 assertions of "cpu" and "machine".
592 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
595 * tree-ssa-operands.c (access_can_touch_variable): Don't say
596 the access through a base which has an alias set of 0 cannot
599 2006-08-24 Bill Wendling <wendling@apple.com>
601 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
603 2006-08-24 Jan Hubicka <jh@suse.cz>
605 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
607 2006-08-24 Jan Hubicka <jh@suse.cz>
610 * cgraph.c: Fix comments.
611 (cgraph_varpool_mark_needed_node): Mark only variables not already
613 * cgraphunit.c: Update comments; include gt-cgraphunit.h
614 (cgraph_varpool_assembled_nodes_queue): New static variable.
615 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
616 (cgraph_varpool_output_debug_info): New function.
617 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
618 * Makefile.in: Add gt-cgraphunit.h
620 2006-08-24 Jan Hubicka <jh@suse.cz>
622 * predict.c (probability_reliable_p): New predicate.
623 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
624 (predict_loops): Do not predict loop exit with less than 2%
626 * basic-block.h (edge_probability_reliable_p,
627 br_prob_note_reliable_p): Declare.
628 * ia64.h (ia64_print_operand): Do not disable on-chip branch
629 prediction when static predictor is not reliable.
630 * rs6000.c (output_cbranch): Likewise.
632 2006-08-23 Stuart Hastings <stuart@apple.com>
635 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
636 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
638 2006-08-21 Geoffrey Keating <geoffk@apple.com>
641 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
642 complex values, nor for generic vector values.
644 2006-08-22 Richard Guenther <rguenther@suse.de>
647 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
648 parameter. Convert arguments to arithmetic expression to the
650 (analyze_scalar_evolution_1): Adjust caller.
652 2006-08-22 Jan Hubicka <jh@suse.cz>
654 Patch by Paolo Bonzini
655 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
658 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
660 PR tree-optimization/28003
661 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
662 before grouping aliases.
664 2006-08-22 Roger Sayle <roger@eyesopen.com>
666 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
667 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
669 2006-08-21 Jason Merrill <jason@redhat.com>
672 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
673 wrapper. Loop to handle nested wrappers.
674 (gimplify_bind_expr): Remove temp parameter.
675 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
676 and STATEMENT_LIST on the rhs.
677 (gimplify_statement_list): Voidify the STATEMENT_LIST.
678 (gimplify_expr): Pass pre_p to gimplify_statement_list.
679 (gimplify_target_expr): Remove special BIND_EXPR handling.
681 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
683 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
686 2006-08-21 Olivier Hainque <hainque@adacore.com>
688 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
689 Arrange for the temporary captures of components overlapping the lhs
690 to happen before the lhs is possibly cleared.
692 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
694 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
695 necessary places to pass the correct "number of registers" values
698 2006-08-20 Jan Hubicka <jh@suse.cz>
700 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
701 (create_name_tags): Instead of quadratic checking use hashtable.
702 * bitmap.h: Include hashtab.h.
703 (bitmap_hash): Declare.
704 * bitmap.c (bitmap_hash): New function.
706 2006-08-20 Jan Hubicka <jh@suse.cz>
708 PR rtl-optimization/28071
709 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
711 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
712 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
713 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
714 cgraph_decide_inlining_incrementally): Update use of
715 cgraph_check_inline_limits.
716 * cgraph.c (edge_hash, edge_eq): New function.
717 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
718 cgraph_edge_remove_caller, cgraph_node_remove_callees,
719 cgraph_remove_node): Maintain call site hash.
720 * cgraph.h (struct cgraph_node): Add call_site_hash.
721 (cgraph_set_call_stmt): New function.
723 2006-08-20 Jan Hubicka <jh@suse.cz>
725 PR rtl-optimization/28071
726 * reload1.c (reg_has_output_reload): Turn into regset.
727 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
728 choose_reload_regs, emit_reload_insns): Update to new
729 reg_has_output_reload.
731 2006-08-20 Jan Hubicka <jh@suse.cz>
734 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
736 * cgraphunit.c (cgraph_analyze_function): Don't do so.
738 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
741 * tree.c (handle_dll_attribute): Return early if not a
742 var or function decl.
744 2006-08-18 Joseph Myers <joseph@codesourcery.com>
747 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
748 alignment of SPE vector types.
750 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
752 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
754 2006-08-17 Jakub Jelinek <jakub@redhat.com>
757 * cgraph.h (struct cgraph_node): Remove externally_visible
759 * cgraphunit.c (process_function_and_variable_attributes): Set
760 local.externally_visible rather than externally_visible.
763 * c-common.c (handle_externally_visible_attribute): First look
764 at TREE_CODE and only if it is function or var decl, check for
765 non-public objects. Don't warn for DECL_EXTERNAL.
766 * cgraphunit.c (process_function_and_variable_attributes): Warn
767 if externally_visible attribute is used on non-public object.
769 2006-08-17 Jan Hubicka <jh@suse.cz>
771 PR tree-optimization/27865
772 * reload1.c (forget_marked_reloads): New function.
773 (forget_old_reloads_1): When data are passed, just mark the registers
775 (reload_as_needed): Use the new mechanizm.
777 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
780 * reload.h (reg_equiv_alt_mem_list): New declaration.
781 * reload1.c (reg_equiv_alt_mem_list): New definition.
782 (reload): Initialize it and release it.
783 (delete_output_reload): Use it.
784 * reload.c (push_reg_equiv_alt_mem): New function.
785 (find_reloads_toplev): Call it.
786 (find_reloads_address, find_reloads_address_1): Likewise.
787 (find_reloads_subreg_address): Likewise.
789 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
791 PR rtl-optimization/28489
792 * sched-ebb.c (begin_schedule_ready): Create basic block
794 (advance_target_bb): Skip empty blocks.
795 * haifa-sched.c (bb_note): Make global.
796 * sched-int.h (bb_note): Add prototype.
798 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
800 PR tree-optimization/27865
801 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
803 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
804 fold_used_pointer, pointer_used_p): New functions.
805 (analyze_scalar_evolution_1): Use fold_used_pointer.
806 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
807 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
810 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
813 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
814 or the INTEGER_CST. Fail on a CALL_EXPR.
815 (fold_offsetof): Pass new argument to fold_offsetof_1.
816 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
817 operand into an INDIRECT_REF.
818 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
820 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
822 PR gcov/profile/26570
823 * value-prof.c (static_values): Removed.
824 (tree_find_values_to_profile): Do not set static_values.
825 (find_values_to_profile): Do not free static_values.
826 * profile.c (instrument_values): Do not free the values.
827 (branch_prob): Free the values.
829 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
831 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
833 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
836 * c-typeck.c (build_component_ref): Combine qualifiers of
837 structure or union and field.
839 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
841 PR rtl-optimization/28071
842 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
843 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
844 * tree-into-ssa.c (struct dom_dfsnum): New.
845 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
847 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
848 compute_global_livein.
849 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
850 in phi nodes in the correct blocks.
852 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
854 PR tree-optimization/28364
855 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
857 (fold_affine_expr): New function.
858 (may_eliminate_iv): Use fold_affine_expr.
860 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
863 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
866 2006-08-16 Mike Stump <mrs@apple.com>
868 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
869 * doc/cppopts.texi (-MD): Likewise.
871 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
874 * c-common.c (handle_weak_attribute): Ignore and warn if
875 not a FUNCTION_ or VAR_DECL.
877 2006-07-15 Mike Stump <mrs@apple.com>
880 * c-parser.c (c_parser_typeof_specifier): Don't use
881 c_finish_expr_stmt, open code desired semantics instead.
883 2006-08-15 Nick Clifton <nickc@redhat.com>
885 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
886 fragment to tmake_file only if threads are enabled.
887 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
888 * config/i386/t-gthr-win32: New file. ... here.
890 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
893 * c-parser.c (c_parser_compound_statement_nostart): Reset
894 parser->error after each statement.
896 2006-08-15 Jakub Jelinek <jakub@redhat.com>
899 * omp-low.c (lower_omp_parallel): Convert t to
900 receiver_decl's type.
901 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
902 source before comparison.
905 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
906 to itype in assignment to oldival2.
908 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
912 * c-typeck.c (build_compound_expr): If the second expression
913 is an error mark, then just return an error mark instead of
914 creating a COMPOUND_EXPR.
916 2006-07-14 Mike Stump <mrs@apple.com>
918 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
920 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
922 * c-decl.c, var-tracking.c: Fix comment typos.
924 2006-08-14 Richard Sandiford <richard@codesourcery.com>
926 PR rtl-optimization/28634
927 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
928 for floating-point modes unless flag_unsafe_math_optimizations.
930 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
931 Andrew Pinski <pinskia@physics.uc.edu>
934 * tree.c (build_array_type): Unify array types with
935 unspecified index_type.
936 * c-decl.c (grokdeclarator): Make sure we do not modify a
937 unified incomplete array type.
938 * c-typeck.c (store_init_value): Create distinct type before
939 filling in the index type in an initializer from a compound
942 * c-decl.c (grokdeclarator): Remove code where we copy the
945 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
947 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
948 into account for TODO_dump_cgraph.
949 (TODO_update_ssa_no_phi): Likewise.
950 (TODO_update_ssa_full_phi): Likewise.
951 (TODO_update_ssa_only_virtuals): Likewise.
952 (TODO_remove_unused_locals): Likewise.
953 (TODO_set_props): Likewise.
954 (TODO_update_stmt_usage): Likewise.
956 2006-08-13 Dirk Mueller <dmueller@suse.de>
958 * c-common.c (strict_aliasing_warning): Fix formatting.
960 2006-08-13 Matthias Klose <doko@debian.org>
962 * doc/invoke.texi: Fix spelling errors.
964 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
966 PR rtl-optimization/23454
967 * reorg.c (relax_delay_slots): Update comment.
969 2006-08-11 Richard Guenther <rguenther@suse.de>
972 * simplify-rtx.c (simplify_const_relational_operation):
973 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
976 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
978 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
979 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
981 2006-08-10 Paul Brook <paul@codesourcery.com>
983 * final.c (final_scan_insn): Clear current_insn_predicate before
984 outputting inline asm.
986 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
988 PR tree-optimization/26197
989 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
990 get_ref_base_and_extent and overlap_subvar to add only relevant
991 subvars as may-aliases.
992 (add_may_alias_for_new_tag): New function, factored out of
994 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
995 with additional argument.
996 * tree-flow.h (new_type_alias): Takes additional argument.
998 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1000 * gcov.c (no_data_file): New flag.
1001 (read_count_file): Set it if data file not present. Assume counts
1003 (output_lines): Don't name the data file, if there wasn't one.
1005 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1007 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1008 (rs6000_generate_compare): Tweak comments.
1009 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1011 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1013 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1014 (var_debug_decl): New function.
1015 (var_reg_set): Follow debug decl link. Add location even if
1016 reg is already known to hold some other variable.
1017 (var_mem_set): Follow debug decl link.
1018 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1019 decl link. Delete other known locations of the variable part
1021 (var_reg_delete, var_mem_delete): Delete other known locations
1022 of the variable part if requested.
1023 (same_variable_part_p): New function.
1024 (add_stores): Select MO_COPY when appropriate.
1025 (vt_initialize): Handle it.
1026 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1027 known locations for MO_SET and MO_CLOBBER.
1028 (find_variable_location_part): New function.
1029 (set_variable_part, delete_variable_part): Use it.
1030 (clobber_variable_part): New function.
1031 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1034 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1036 PR tree-optimization/26969
1037 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1038 with an empty list of PHIs.
1040 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1044 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1047 2006-08-06 Andreas Schwab <schwab@suse.de>
1049 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1050 string. Whitespace and comment fixup.
1052 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1055 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1059 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1062 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1064 2006-08-04 Jan Hubicka <jh@suse.cz>
1068 * reload.c (push_reload): Patch out the mismatching instruction;
1070 (find_reload): Bail out if the instruction was patched out.
1072 2006-08-04 Jan Hubicka <jh@suse.cz>
1074 PR tree-optimization/24888
1075 * tree-inline.c (expand_call_inline): Do not re-record variables.
1076 (declare_inline_vars): Add variable to unexpanded_var_list.
1078 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1079 Roger Sayle <roger@eyesopen.com>
1081 PR rtl-optimization/26244
1082 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1083 inner_const are negative or greater than or equal to the bitsize of
1084 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1085 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1086 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1087 CONST0_RTX (mode) when the new shift count is greater than or equal to
1088 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1091 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1093 * tree-cfg.c: Fix a comment typo.
1095 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1098 * varasm.c (output_constant): Give the front end another chance to
1099 expand constants, after stripping NOPs.
1101 2006-08-03 Jan Hubicka <jh@suse.cz>
1103 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1106 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1108 PR tree-optimization/27770
1109 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1110 declaration removed (moved to tree-flow.h).
1111 (vect_can_force_dr_alignment_p): Likewise.
1112 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1113 (moved from tree-vectorizer.h).
1114 (vect_can_force_dr_alignment_p): Likewise.
1115 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1116 from outside the vectorizer - in particular from cgraph stage.
1117 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1118 the alignment of global arrays when -fsection-anchors is enabled.
1119 * cgraphunit.c (cgraph_increase_alignment): New function.
1120 (cgraph_optimize): Call cgraph_increase_alignment.
1122 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1125 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1126 not reload a SPE symbol_ref into a lo_sum address.
1128 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1131 * dwarf2out.c (prune_unused_types_prune): Move call to
1132 prune_unused_types_update_strings to cover the parent DIE also.
1134 2006-08-02 Jan Hubicka <jh@suse.cz>
1136 PR gcov/profile/28480
1137 * tree-cfg.c (change_bb_for_stmt): New function.
1138 (tree_merge_blocks, tree_split_blocks): Use it.
1140 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1146 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1147 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1148 (cgraph_optimize): Likewise.
1150 2006-08-01 Stuart Hastings <stuart@apple.com>
1152 * rtl.h (UINTVAL) New.
1153 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1154 * testsuite/gcc.dg/20060801-1.c: New.
1156 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1159 * c-typeck.c (build_external_type): Mark used enum types.
1160 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1162 (gen_subprogram_die): Whitespace fix.
1164 2006-08-01 Jan Hubicka <jh@suse.cz>
1166 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1167 bitmap when not needed.
1168 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1171 2006-08-01 Dirk Mueller <dmueller@suse.de>
1173 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1175 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1177 * Makefile.in: Revert part of previous patch:
1178 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1181 2006-07-30 Eric Christopher <echristo@apple.com>
1184 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1185 (PowerPC Variable Attributes): New section.
1187 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1189 PR target/28126 (partial fix)
1190 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1192 2006-07-28 Jan Hubicka <jh@suse.cz>
1194 PR rtl-optimization/28071
1195 * cfgrtl.c (rtl_delete_block): Free regsets.
1196 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1198 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1200 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1201 and variables used in dependencies.
1203 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1205 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1206 %fs for -mcmodel=kernel.
1207 (stack_tls_protect_test_di): Likewise.
1209 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1211 * Makefile.in: Use mkinstalldirs.
1213 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1216 * opts-common.c (prune_options): Skip joined switches.
1218 2006-07-27 Jan Hubicka <jh@suse.cz>
1220 PR rtl-optimization/28071
1221 * cselib.c (cselib_process_insn): Don't remove useless values too
1222 often for very large hashtables.
1224 2006-07-27 Jan Hubicka <jh@suse.cz>
1226 PR rtl-optimization/28071
1227 * global.c (greg_obstack): New obstack.
1228 (allocate_bb_info): Use it.
1229 (free_bb_info): Likewise.
1230 (modify_reg_pav): Likewise.
1232 2006-07-27 Roger Sayle <roger@eyesopen.com>
1234 * builtins.c (fold_fixed_mathfn): When long and long long are the
1235 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1236 functions to their lceil*, lfloor*, lround* and lrint* forms.
1238 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1241 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1243 (rev_branch_insn): Likewise.
1245 2006-07-27 Jan Hubicka <jh@suse.cz>
1247 PR rtl-optimization/28071
1248 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1249 (reg_set_in_bb, max_reg_computed): New static variables.
1250 (regmove_optimize): Free the new array.
1251 (fixup_match_1): Update call of reg_is_remote_constant_p.
1253 2006-07-26 Jan Hubicka <jh@suse.cz>
1255 PR tree-optimization/27882
1256 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1258 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1260 (cgraph_analyze_compilation_unit): Likewise.
1261 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1262 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1263 (cgraph_early_inlinine): Make order garbage collected.
1264 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1266 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1268 * dbxout.c (output_types_sort): Add a comment.
1269 (output_used_types): Free the VEC.
1271 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1273 * function.c (reorder_fix_fragments): Delete.
1274 (reorder_blocks): Don't call it.
1275 (reorder_blocks_1): Put all subblocks under the origin block.
1277 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1279 PR rtl-optimization/27907
1280 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1283 2006-07-25 Roger Sayle <roger@eyesopen.com>
1286 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1287 bar(x) check that bar's result type can represent all the values of T.
1289 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1291 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1293 2006-07-25 Nick Clifton <nickc@redhat.com>
1295 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1296 size_lookup[] array.
1297 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1298 (ggc_pch_count_object): Likewise.
1299 (ggc_pch_alloc_object): Likewise.
1300 (ggc_pch_write_object): Likewise.
1301 (init_ggc): Do not attempt to initialize entries in the
1302 size_lookup[] array for objects whose size is greater than than
1303 the length of the array.
1305 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1307 * dbxout.c (output_used_types_helper): Push queued types
1309 (output_types_sort): New.
1310 (output_used_types): Collect used types on a VEC and sort them
1313 2006-07-24 Richard Guenther <rguenther@suse.de>
1316 * cgraph.c (cgraph_remove_node): Do not check if dumps
1318 * cgraphunit.c (cgraph_optimize): Likewise.
1320 2006-07-24 Jan Hubicka <jh@suse.cz>
1322 PR rtl-optimization/28071
1323 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1324 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1325 splitting before first stmt.
1327 2006-07-24 Jan Hubicka <jh@suse.cz>
1329 PR rtl-optimization/28071
1330 * ipa-inline.c (update_caller_keys): Remove edges that
1331 are no longer inline candidates.
1333 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1336 * dbxout.c (output_used_types_helper, output_used_types): New.
1337 (dbxout_symbol): Call output_used_types.
1339 2006-07-23 Jan Hubicka <jh@suse.cz>
1343 * cgraph.c (cgraph_varpool_nodes): Export.
1344 (decide_is_variable_needed): Ignored "used" attribute in
1345 unit-at-a-time mode.
1346 * cgraph.h (cgraph_varpool_nodes): Declare.
1347 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1348 unit-at-a-time mode.
1350 2006-07-23 Roger Sayle <roger@eyesopen.com>
1353 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1354 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1355 the __gthrw form of thr_keycreate.
1356 (__gthread_key_delete): Silence the unused argument warning.
1358 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1361 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1362 Cache the last found '\0' marker to avoid quadratic behavior.
1364 2006-07-23 Jan Hubicka <jh@suse.cz>
1366 * i386.md (subsi_3_zext): Fix output template.
1368 2006-07-21 Mike Stump <mrs@apple.com>
1370 * doc/invoke.texi (C++ Dialect Options): Note that
1371 -fvisibility-inlines-hidden doesn't affect explicitly
1372 instantiationed inline methods.
1374 2006-07-20 Roger Sayle <roger@eyesopen.com>
1376 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1377 if the target assembler is GNU binutils' gas.
1378 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1379 whether to pass GNU gas or native as command line options.
1381 2006-07-20 Jason Merrill <jason@redhat.com>
1383 * tree.c (remove_attribute): New fn.
1384 * tree.h: Declare it.
1386 2006-07-20 Paul Brook <paul@codesourcery.com>
1389 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1390 they are invalidated by this instruction.
1392 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1395 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1397 2006-07-20 Eric Christopher <echristo@apple.com>
1400 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1402 2006-07-19 Eric Christopher <echristo@apple.com>
1404 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1405 Rewrite dependencies for libgcc_s.1.dylib.
1407 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1409 * except.c (duplicate_eh_regions_1): Clear next_peer.
1411 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1413 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1414 -mlongcall does not guarantee all calls will be long.
1415 * doc/extend.texi (long_call/short_call): Document that longcall
1416 does not guarantee a long call will be used.
1417 (longcall/shortcall): Likewise.
1419 2006-07-18 Roger Sayle <roger@eyesopen.com>
1422 * expmed.c (expand_shift): Additionally check that the shift_cost
1423 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1424 before implementing a LSHIFT_EXPR as a sequence of additions.
1425 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1426 middle-end that DImode shifts need to be synthesized by expand.
1428 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1431 * tree-ssa-operands.c (access_can_touch_variable): Update
1433 Return true if ALIAS is .GLOBAL_VAR.
1435 2006-07-18 David Daney <ddaney@avtrex.com>
1437 * gcc.c (display_help): Fix typo in help text.
1439 2006-07-18 Olivier Hainque <hainque@adacore.com>
1441 * tree.h (categorize_ctor_elements): Adjust prototype and add
1442 descriptive comment, both in accordance with the interface change
1444 * varasm.c (constructor_static_from_elts_p): New function.
1445 Whether a constructor node is a valid static constant initializer
1446 if all its elements are.
1447 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1448 * output.h: Declare it.
1449 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1450 is a valid constant initializer instead of computing the number of
1451 non-constant elements. Use constructor_static_from_elts_p for this
1452 purpose. Replace the head comment with an indication that this is a
1453 helper for categorize_ctor_elements.
1454 (categorize_ctor_elements): Same interface change as for the _1
1455 helper. Former head comment from this helper moved here, adjusted to
1456 account for the interface changes.
1457 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1458 (all_zeros_p): Likewise.
1459 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1460 static versions of the constructor from the categorize_ctor_elements
1461 return value instead of the formerly computed number of non-constant
1464 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1466 * configure: Regenerate.
1467 * Makefile.in (build_libsubdir): New configure substitution
1468 (build_libobjdir): New variable.
1469 (BUILD_LIBIBERTY): Use it.
1471 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1474 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1476 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1479 * c-common.c (handle_weakref_attribute): Ignore attribute in
1480 the same conditions the alias attribute is ignored.
1482 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1484 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1485 (dbxout_begin_prologue): Increment scope_labelno.
1487 2006-07-17 Richard Henderson <rth@redhat.com>
1490 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1493 2006-07-17 Roger Sayle <roger@eyesopen.com>
1494 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1496 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1497 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1498 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1499 functions such as sbrk, write, etc.. Add function prototypes.
1500 Convert function declarations from K&R to ISO C. Cast pointers
1501 to "long" and "unsigned long" instead of "int" and "unsigned int".
1502 Convert tokens following #endif into comments.
1504 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1506 * invoke.texi: Remove mention of f77; Reformat table for
1507 inline parameter options correctly; mention that -malign-double
1508 is default on x86-64 targets.
1510 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1512 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1513 (convert_affine_scev, chrec_convert_aggressive): Use
1514 avoid_arithmetics_in_type_p. Do not check for the subtypes
1517 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1520 * optabs.c (expand_doubleword_shift): Wrap the call to
1521 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1523 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1526 * optabs.c (expand_binop): Pass next_methods rather than methods
1527 to expand_doubleword_shift.
1529 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1532 * tree.h (dump_addr): Declare.
1533 * print-tree.c (dump_addr): New function.
1534 (print_node_brief, print_node): Use it.
1535 * print-rtl.c (print_rtx): Likewise.
1536 * common.opt (-fdump-noaddr): New option.
1537 * doc/invoke.texi (-fdump-noaddr): Document.
1538 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1539 (ve_info_hash): Likewise.
1541 2006-07-13 Andrew Haley <aph@redhat.com>
1543 PR tree-optimization/19505
1544 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1545 edge leaving this block, make sure that the destination of this
1546 block has only one predecessor.
1548 2006-07-17 Richard Guenther <rguenther@suse.de>
1550 PR tree-optimization/28238
1551 * tree-inline.c (copy_bb): Check if we produced valid
1552 gimple copying and substituting a stmt. If not, gimplify
1555 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1557 * optabs.c (maybe_encapsulate_block): New function extracted from...
1558 (emit_libcall_block): ...here. Invoke it on the block of insns to
1559 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1560 (emit_no_conflict_block): Likewise.
1562 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1564 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1566 2006-07-15 Roger Sayle <roger@eyesopen.com>
1568 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1569 a new NOP_EXPR case of the switch statement.
1571 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1574 * stor-layout.c (place_field): Take the bit field with
1575 an excessive size into account in the ms-bitfiled case.
1578 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1579 the previous bit field.
1581 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1584 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1586 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1588 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1589 signal frames correctly even when the signal was installed with
1592 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1594 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1595 (dbxout_function_end): Use local label LFBB. Remove hook
1597 (dbxout_source_line): Use local label LFBB.
1598 (dbxout_block): Likewise.
1599 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1600 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1601 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1602 and DBX_OUTPUT_NFUN.
1604 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1606 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1608 2006-07-13 Jan Hubicka <jh@suse.cz>
1610 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1612 * output.h (align_variable): Declare.
1613 * varasm.c (align_variable): Export.
1614 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1615 when basic block changed.
1617 2006-07-13 Nick Clifton <nickc@redhat.com>
1619 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1620 walking the LOG_LINKS chain.
1622 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1624 * doc/invoke.texi (C++ Dialect Options): Explain difference
1625 between -fvisibility-inlines-hidden and setting hidden
1626 visibility explicitly.
1628 2006-07-12 Eric Christopher <echristo@apple.com>
1630 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1631 (stmp-lipo): Depend on libgcc.a.
1633 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1635 * tree.c: Fix a comment typo.
1637 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1639 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1641 (umulhisi3_r): Likewise.
1643 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1646 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1647 x < 19, vs wchar_t support.
1649 2006-07-12 Nick Clifton <nickc@redhat.com>
1651 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1652 instead of -isa=sh4.
1654 2006-07-12 Mike Stump <mrs@apple.com>
1656 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1658 2006-07-10 Eric Christopher <echristo@apple.com>
1660 * config/t-slibgcc-darwin: Rewrite.
1662 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1665 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1668 2006-07-08 Matthias Klose <doko@debian.org>
1670 * doc/sourcebuild.texi: Fix typo.
1672 2006-07-07 Mike Stump <mrs@apple.com>
1674 * toplev.c (process_options): Don't give -ffunction-sections may
1675 affect debugging warning for Mach-O.
1677 2006-07-07 James E Wilson <wilson@specifix.com>
1679 * config/mips/mips.md (cpu): Add sb1a.
1680 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1681 addition to sb1. Adjust comments to clarify SB-1A differences from
1683 (ir_sb1a_load): New. Modify bypasses to use it.
1684 (ir_sb1a_simple_alu): Likewise.
1685 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1686 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1687 (mips_issue_rate): Add PROCESSOR_SB1A.
1688 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1689 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1690 (TARGET_SB1): Add PROCESSOR_SB1A check.
1691 (TUNE_SB1): Likewise.
1693 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1694 * config/mips/mips.c (mips_store_data_bypass_p): New.
1695 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1696 store_data_bypass_p.
1698 2006-07-08 Paul Brook <paul@codesourcery.com>
1701 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1703 2006-07-07 Richard Guenther <rguenther@suse.de>
1706 * tree.h (build_one_cst): Declare.
1707 * tree.c (build_one_cst): New function.
1708 * tree-ssa-math-opts.c (get_constant_one): Remove.
1709 (insert_reciprocals): Use build_one_cst.
1710 * fold-const.c (fold_plusminus_mult): Likewise.
1712 2006-07-07 Roger Sayle <roger@eyesopen.com>
1714 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1715 * cfgloopanal.c (dump_graph): Likewise.
1716 * dojump.c (discard_pending_stack_adjust): Likewise.
1717 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1719 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1720 * function.c (finalize_block_changes): Likewise.
1721 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1722 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1723 * rtl.c (dump_rtx_statistics): Likewise.
1724 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1726 * varray.c (dump_varray_statistics): Likewise.
1727 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1728 decode_decimal64, encode_decimal128, decode_decimal128,
1729 decimal_real_to_decimal): Likewise.
1731 2006-07-07 Richard Guenther <rguenther@suse.de>
1733 PR tree-optimization/28187
1734 * tree-vrp.c (vrp_operand_equal_p): New function.
1735 (vrp_bitmap_equal_p): Likewise.
1736 (update_value_range): Use them to compare old and new
1739 2006-07-06 Roger Sayle <roger@eyesopen.com>
1741 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1742 a default case to switch statement to silence compiler warnings.
1744 2006-07-06 Roger Sayle <roger@eyesopen.com>
1747 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1748 the configured assembler supports the x87's ffreep mnemonic.
1749 * configure: Regenerate.
1750 * config.in: Regenerate.
1752 * config/i386/i386.c (output_387_ffreep): New function.
1753 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1754 (output_387_reg_move): Likewise.
1756 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1758 Port to hosts whose 'sort' and 'tail' implementations
1759 treat operands with leading '+' as file names, as POSIX
1760 has required since 2001. However, make sure the code still
1761 works on pre-POSIX hosts.
1762 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1763 which says you should use "tail -c +N" rather than "tail +Nc".
1764 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1766 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1768 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1771 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1774 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1775 PRE_{INC,DEC} of TFmode.
1777 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1778 Alan Modra <amodra@bigpond.net.au>
1781 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1784 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1787 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1788 Remove duplicate gtu.
1790 2006-07-05 Jason Merrill <jason@redhat.com>
1794 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1795 * c-common.c (handle_packed_attribute): So don't copy it here.
1796 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1798 2006-07-05 Mike Stump <mrs@apple.com>
1800 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1802 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1805 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1807 2006-07-05 Richard Guenther <rguenther@suse.de>
1810 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1811 TARGET_SSE2 targets if using SSE math.
1812 (*absdf2_1): Likewise.
1814 2006-07-05 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/28162
1817 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1818 make sure to convert the operands to the correct type.
1820 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1822 PR tree-optimization/28218
1824 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1825 to calculate and free the dominator information.
1827 2006-07-04 Peter O'Gorman <peter@pogma.com>
1829 * mklibgcc.in: chmod 644 before ranlib during install.
1831 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1832 J"orn Rennecke <joern.rennecke@st.com>
1834 * configure.ac (.eh_frame data check): Use diff -b.
1836 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1839 * Makefile.in (BUILD_RTL): Add build/vec.o.
1840 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1841 (build/genextract): Delete.
1842 (build/genautomata): Likewise.
1844 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1847 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1848 128-bit IBM long doubles for ABI_V4.
1850 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1852 * tree.c (range_in_array_bounds_p): New predicate.
1853 * tree.h (range_in_array_bounds_p): Declare it.
1854 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1855 return a less conservative answer.
1856 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1857 and flag 'is_group'.
1858 (IS_ELEMENT_FOR_GROUP): New macro.
1859 (FOR_EACH_ACTUAL_CHILD): Likewise.
1860 (next_child_for_group): New helper function.
1861 (can_completely_scalarize_p): Take into account groups.
1862 (sra_hash_tree): Handle RANGE_EXPR.
1863 (sra_elt_eq): Likewise.
1864 (lookup_element): Be prepared for handling groups.
1865 (is_valid_const_index): Delete.
1866 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1867 instead of is_valid_const_index.
1868 <ARRAY_RANGE_REF>: New case.
1869 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1870 is_valid_const_index.
1871 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1872 (scan_dump): Dump info for groups too.
1873 (decide_instantiation_1): Likewise.
1874 (decide_block_copy): Assert that the element is not a group.
1875 Propagate decision to groups.
1876 (generate_one_element_ref): Handle RANGE_EXPR.
1877 (mark_no_warning): Iterate over actual childs.
1878 (generate_copy_inout): Likewise.
1879 (generate_element_copy): Likewise.
1880 (generate_element_zero): Likewise.
1881 (generate_element_init_1): Likewise.
1882 (dump_sra_elt_name): Handle RANGE_EXPR.
1884 2006-07-03 Roger Sayle <roger@eyesopen.com>
1886 PR tree-optimization/26251
1887 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1888 (thread_block): When optimizing for size refuse to thread jumps
1889 that would require duplication of blocks other than redirection
1892 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1894 * configure.ac: Fix thinko in previous check-in.
1895 * configure: Regenerate.
1897 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1900 * configure.ac (for lang...): Simplify nesting of conditionals.
1901 Test subdir_requires for non-enabled languages. Move processing
1902 of lang_opt_files and lang_tree_fiels below that test.
1903 * configure: Regenerate.
1904 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1906 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1908 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1910 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1912 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1915 2006-06-29 Jason Merrill <jason@redhat.com>
1922 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1923 * c-common.c (c_determine_visibility): Handle it here.
1924 * c-decl.c (finish_decl): Call c_determine_visibility for
1926 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1928 * varasm.c (default_assemble_visibility): Likewise.
1929 * c-common.c (handle_visibility_attribute): Complain about trying
1930 to give visibility to an already defined class, or trying to change
1931 declared visibility. Always attach the attribute.
1936 * attribs.c (decl_attributes): Ignore type-in-place attributes
1937 once the type has been defined.
1939 2006-06-29 Roger Sayle <roger@eyesopen.com>
1942 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1943 to indicate the cpplib has issued an error message for us.
1945 2006-06-29 Asher Langton <langton2@llnl.gov>
1948 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1949 insert a label at the end of an function under Mach-O.
1951 2006-06-29 Eric Christopher <echristo@apple.com>
1952 Evan Cheng <evan.cheng@apple.com>
1954 * predicates.md (vector_all_ones_operand): New.
1955 (nonimmediate_or_sse_const_operand): Ditto.
1956 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1957 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1958 (standard_sse_mode_p): Ditto.
1959 (standard_sse_constant_p): Add case for -1 vector.
1960 (ix86_expand_vector_move): Try to use.
1961 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1962 Call standard_sse_constant_opcode.
1963 (*movv4sf_internal): Ditto.
1964 (*movv2df_internal): Ditto.
1966 2006-06-29 Roger Sayle <roger@eyesopen.com>
1968 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1969 of XEXP to extract the operands of a MATCH_CODE rtx.
1971 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1973 * tree.c (tree_size): Do not waste tail padding in
1974 struct tree_string and make the size be the same as
1975 build_string will generate.
1977 2006-06-28 Jason Merrill <jason@redhat.com>
1980 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1981 may_aliases already in the tag's annotations to the bitmap.
1983 2006-06-28 Roger Sayle <roger@eyesopen.com>
1985 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1987 2006-06-28 Roger Sayle <roger@eyesopen.com>
1989 * genpreds.c (generate_switch_p): New function.
1990 (add_mode_tests): Push the new mode test down inside an AND expr
1991 if this allows the switch-suitable MATCH_CODE to be near the root.
1992 (write_match_code_switch): New function to write a MATCH_CODE as
1994 (write_predicate_stmts): New function to write a predicate RTX
1995 expression as a sequence of statements.
1996 (write_one_predicate_function): Use write_predicate_stmts.
1997 (write_tm_constrs_h): Likewise.
1999 2006-06-26 Fred Fish <fnf@specifix.com>
2001 * config/mips/t-sb1: New file.
2002 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2005 2006-06-26 DJ Delorie <dj@redhat.com>
2007 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2009 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2010 Jayant Sonar <jayants@kpitcummins.com>
2011 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2013 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2014 (subsi3, subsi3_1, subsi3_2): New.
2015 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2016 * config/m32c/mov.md (SI mov peephole): New.
2017 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2018 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2020 2006-06-26 Olivier Hainque <hainque@adacore.com>
2022 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2023 a CALL_EXPR target function declaration.
2025 2006-06-26 Richard Guenther <rguenther@suse.de>
2027 * tree.c (build_string): Do not waste tail padding in
2030 2006-06-26 Richard Guenther <rguenther@suse.de>
2032 * ggc-page.c (init_ggc): Add missing element to size_lookup
2036 2006-06-23 Richard Guenther <rguenther@suse.de>
2038 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2039 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2040 alignment requests instead. Add verification code.
2041 Add struct tree_function_decl and struct tree_binfo size to
2042 extra_order_size_table. Add missing element to size_lookup
2045 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2048 * fold-const.c (const_binop): Be prepared for self returning zero.
2049 Simplify code handling complex values.
2051 2006-06-24 Olivier Hainque <hainque@adacore.com>
2053 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2054 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2057 2006-06-24 Olivier Hainque <hainque@adacore.com>
2059 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2060 ARRAY_REF, so have the callback called for the low bound expression.
2062 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2064 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2065 * c-typeck.c (c_common_type): Disallow operations on decimal float
2066 types and other float types.
2067 * convert.c (convert_to_real): Don't ignore conversions involving
2068 decimal float types.
2070 2006-06-23 Olivier Hainque <hainque@adacore.com>
2072 * tree.c (max_int_size_in_bytes): New function, inspired from
2073 code in function.c:assign_temp.
2074 * tree.h (max_int_size_in_bytes): Declare.
2075 * function.c (assign_temp): Use it.
2076 * gimplify.c (create_tmp_var): Relax the assertions on the type
2077 properties, not mandating constant size any more.
2078 (force_constant_size): New static function.
2079 (gimple_add_tmp_var): Use it, forcing variable size to a
2080 constant upper bound if it is not constant on entry.
2082 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2085 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2086 for initialization and setting of one_only flag to ...
2087 (i386_pe_encode_section_info): ...here.
2088 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2089 Recheck that the symbol has not been defined.
2091 2006-06-23 Richard Guenther <rguenther@suse.de>
2093 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2094 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2095 alignment requests instead. Add verification code.
2096 Add struct tree_function_decl and struct tree_binfo size to
2097 extra_order_size_table. Add missing element to size_lookup
2100 2006-06-22 Roger Sayle <roger@eyesopen.com>
2101 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2104 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2105 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2107 2006-06-23 Ben Elliston <bje@au.ibm.com>
2109 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2110 negate dn -- manipulate it directly.
2112 2006-06-22 Roger Sayle <roger@eyesopen.com>
2113 Steven Bosscher <stevenb.gcc@gmail.com>
2116 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2117 generated by gen_move_insn to add REG_LABEL notes if necessary.
2119 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2121 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2122 (leaf_entry): Remove use of MIN_ESA.
2124 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2126 PR rtl-optimization/28121
2127 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2130 2006-06-21 DJ Delorie <dj@redhat.com>
2132 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2134 (mulhisi3_r): Likewise.
2136 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2139 * coverage.c (coverage_counter_alloc): Leave the index type
2141 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2144 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2146 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2147 section from the "Options for Code Generation Conventions".
2149 2006-06-21 Richard Henderson <rth@redhat.com>
2153 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2155 (global_symbolic_operand): Allow weak symbols, even if local_p.
2157 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2159 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2160 (find_interesting_uses_address): Punt if above function returns true.
2162 2006-06-21 Richard Guenther <rguenther@suse.de>
2164 * configure: Regenerated.
2166 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2168 * config/mips/mips.c (function_arg): Where one part of a
2169 complex argument is in registers and the other part in the stack,
2170 return a REG not a PARALLEL.
2172 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2174 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2175 when cross-compiling. Do not substitute libstdcxx_incdir.
2176 * configure: Regenerated.
2178 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2180 * varasm.c (mergeable_string_section): Check for embedded NULs and
2181 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2182 rather than TREE_STRING_LENGTH bytes.
2184 2006-06-21 Richard Guenther <rguenther@suse.de>
2186 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2187 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2190 2006-06-21 Richrad Guenther <rguenther@suse.de>
2192 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2193 Limit iteration over the dominators.
2195 2006-06-20 Roger Sayle <roger@eyesopen.com>
2197 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2198 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2200 2006-06-20 Richard Guenther <rguenther@suse.de>
2201 Michael Matz <matz@suse.de>
2203 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2205 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2206 * et-forest.h (et_free_pools): Prototype new function.
2207 * et-forest.c (et_free_tree_force): Free parent occurrence.
2208 (et_free_pools): New function.
2209 * dominance.c (free_dominance_info): Free et-forest alloc
2212 2006-06-20 Roger Sayle <roger@eyesopen.com>
2214 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2215 integer modes, attempt to directly construct an integer constant.
2217 * fold-const.c (native_encode_vector): Determine the size of each
2218 element from the vector type instead of the first vector element.
2220 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2221 if all of its elements/components are constant.
2222 (build_constructor_from_list): Likewise.
2224 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2226 PR tree-optimization/27331
2227 * tree-data-ref.c (free_data_ref): New function.
2228 (create_data_ref): Fail if the data reference has unknown access
2230 (free_data_refs): Use free_data_ref.
2232 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2235 * tree-inline.c (setup_one_parameter): Strip useless
2236 type conversion before adding it to the IR.
2237 (declare_return_variable): Likewise.
2239 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2242 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2244 2006-06-19 Mike Stump <mrs@apple.com>
2246 * tree.c (variably_modified_type_p): VM arguments don't make the
2249 2006-06-19 Richard Guenther <rguenther@suse.de>
2251 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2252 type conversions after folding.
2254 2006-06-19 Richard Guenther <rguenther@suse.de>
2256 * ggc-page.c (extra_order_size_tab): Add entries with
2257 size of struct function and basic_block.
2258 (size_lookup): Extend to cover sizes up to 511.
2259 (ggc_alloc_stat): Adjust user.
2260 (ggc_pch_count_object): Likewise.
2261 (ggc_pch_alloc_object): Likewise.
2262 (ggc_pch_write_object): Likewise.
2264 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2266 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2267 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2270 2006-06-19 Denis Chertykov <denisc@overta.ru>
2272 * config/avr/libgcc.S : Correct my wrong previous commit.
2274 2006-06-19 Roger Sayle <roger@eyesopen.com>
2277 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2278 have stripped a SUBREG from the shift count, so we may need to
2279 convert_to_mode back to the type's mode before calling make_tree.
2280 Use new_amount instead of amount to avoid expanding a tree twice.
2282 2006-06-19 Richard Guenther <rguenther@suse.de>
2285 * fold-const.c (operand_equal_p): Check if the argument types
2286 have the same precision before stripping NOPs.
2288 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2290 Fix PR tree-optimization/27341
2291 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2293 * tree-complex.c (pass_lower_complex): Update SMT usage.
2295 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2297 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2298 Add a new alternative to the constraint strings. Add move of
2299 operand 1 to 3 to the splitter definition.
2300 ("doloop_si_long"): Second contraint alternative removed.
2302 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2304 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2305 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2307 (AVR_HAVE_MOVW) Define.
2308 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2309 (ASM_SPEC): Add avr25.
2310 (LINK_SPEC): Add avr25.
2311 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2312 (base_arch_s): Add new member 'have_movw_lpmx'.
2313 (avr_arch_types): Init 'have_movw_lpmx'.
2314 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2315 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2316 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2317 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2318 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2320 (avr_file_start): Do not output '.arh' derective.
2321 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2322 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2323 * config/avr/avr.md (mcu_enhanced): Delete.
2324 (mcu_have_movw): Define.
2325 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2326 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2327 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2328 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2329 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2330 attiny861 and at86rf401 devices.
2332 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2334 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2337 2006-06-17 Karl Berry <karl@gnu.org>
2339 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2340 doc/gccint.texi, doc/install.texi (@dircategory): Use
2341 "Software development" instead of "Programming", following
2342 the Free Software Directory.
2344 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2346 * config/i386/i386.c (legitimate_tls_address)
2347 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2348 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2349 (*tls_dynamic_gnu2_combine_64): Likewise.
2351 2006-06-16 Richard Guenther <rguenther@suse.de>
2354 * fold-const.c (negate_expr_p): Do not introduce undefined
2355 overflow in negating INTEGER_CSTs.
2356 (fold_negate_expr): Rename from negate_expr. Revert last
2357 change for folding BIT_NOT_EXPR. Change semantics to
2358 return NULL_TREE for non-simplified negations. Do not
2359 strip type conversions and unify type handling.
2360 (negate_expr): New function, wrap around fold_negate_expr
2361 but ensure building a tree always. Strip type conversions
2362 here, fold to result type.
2363 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2365 2006-06-16 Roger Sayle <roger@eyesopen.com>
2368 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2369 that (would) return their results in stack registers.
2371 2006-06-16 Michael Matz <matz@suse.de>
2372 Richard Guenther <rguenther@suse.de>
2374 * fold-const.c (fold_truthop): Only return new tree node if
2375 we canonicalized something.
2377 2006-06-16 Richard Guenther <rguenther@suse.de>
2379 * function.h (enum function_frequency): Move declaration
2380 out of struct function.
2381 (struct function): Move bool fields and the enum to the bitfield
2382 section. Reorder elements to avoid padding. Remove unused
2383 fields left over from the RTL inliner removal.
2384 * function.c (free_after_compilation): Do not zero removed fields.
2385 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2386 (ipa-type-escape.o): Likewise.
2388 2006-06-16 Richard Guenther <rguenther@suse.de>
2390 * cgraph.h (struct cgraph_local_info): Turn bool elements
2392 (struct cgraph_node): Likewise.
2393 (struct cgraph_varpool_node): Likewise.
2395 2006-06-15 Richard Guenther <rguenther@suse.de>
2397 * fold-const.c (fold_truth_not_expr): Rename from
2398 invert_truthvalue. Give it fold_* semantics to avoid
2400 (invert_truthvalue): New function. Wrapper around
2401 fold_truth_not_expr.
2402 (optimize_minmax_comparison): Avoid creating garbage.
2403 (fold_unary): Use fold_truth_not_expr for folding
2405 (fold_ternary): Replace uses of invert_truthvalue with
2406 fold_truth_not_expr where applicable.
2407 * tree.h (fold_truth_not_expr): Prototype.
2409 2006-06-16 Richard Guenther <rguenther@suse.de>
2411 PR tree-optimization/27781
2412 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2413 * ipa-pure-const.c (target.h): Include.
2414 (analyze_function): Do not analyze functions that do not
2417 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2420 * tree-dfa.c (referenced_vars_dup_list): Remove.
2421 (find_referenced_vars): Remove assert.
2422 (referenced_var_check_and_insert): Replace dup list with assert.
2423 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2424 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2426 2006-06-15 Richard Guenther <rguenther@suse.de>
2428 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2429 extra unused identifiers if not dumping.
2430 (create_variable_info_for): Likewise.
2432 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2434 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2435 (derive_constant_upper_bound): Derive more precise upper bound in
2436 common cases. Return type changed to double_int.
2437 (record_estimate): Reflect the changed return type of
2438 derive_constant_upper_bound.
2439 * double-int.c (double_int_zext, double_int_sext): Fix.
2441 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2443 * configure.ac (CFLAGS): Get them from the toplevel or from the
2444 configure invocation.
2445 * configure: Regenerate.
2446 * Makefile.in (CFLAGS): Substitute value provided by configure.
2448 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2451 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2452 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2453 rather than calling add_stmt on it.
2454 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2456 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2459 * reload1.c (reload): Remove registers returned by update_eliminables
2460 from used_spill_regs.
2462 2006-06-13 DJ Delorie <dj@redhat.com>
2464 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2466 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2468 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2469 html__strip_dir, html__mkdir_p. Enhance install-html target.
2470 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2471 * configure: Regenerate.
2473 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2475 * fold-const.c (fold_cond_expr_with_comparison): Check for
2476 Objective-C++ as language in deciding COND_EXPR transformation.
2478 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2481 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2482 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2483 * config/sh/lib1funcs.h (SL, SL1): Define.
2484 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2485 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2486 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2487 (OBJS_Os_4_200): New variable.
2488 ($(T)libgcc-Os-4-200.a): Use it.
2489 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2490 when dividing 1 and/or by 0.
2492 2006-06-13 Roger Sayle <roger@eyesopen.com>
2494 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2495 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2496 * configure: Regenerate.
2498 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2500 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2501 for real instruction.
2503 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2506 * haifa-sched.c (check_cfg): Handle special case.
2508 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2511 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2512 Add debug_info parameter. Chain the vars to the BLOCK instead
2513 of the BIND_EXPR if debug info are requested for them.
2514 (pop_gimplify_context): Adjust for above change.
2515 (gimple_add_tmp_var): Likewise.
2516 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2518 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2519 (convert_local_reference): Likewise.
2520 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2521 (finalize_nesting_tree_1): Request that debug info be emitted
2522 for debug_var_chain.
2524 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2526 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2527 for PR target/27863.
2529 2006-06-13 Richard Guenther <rguenther@suse.de>
2532 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2534 2006-06-13 Richard Guenther <rguenther@suse.de>
2536 PR tree-optimization/27830
2537 * tree-inline.c (copy_body_r): For copying the operand
2538 of an ADDR_EXPR make sure to fold &* afterwards.
2540 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2542 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2543 lvalues in the fb_none case with side-effects.
2545 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2547 * tree-flow.h: Remove the prototype for
2548 compute_phi_arg_on_exit.
2549 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2550 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2553 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2555 * builtins.c (expand_builtin_return_addr): Only use
2556 frame_pointer_rtx when count == 0 and we are expanding
2557 __builtin_return_address.
2559 2006-06-12 Fred Fish <fnf@specifix.com>
2561 * config/mips/mips.c (mips_file_start): Create special section
2562 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2564 2006-06-11 Eric Christopher <echristo@apple.com>
2567 * stor-layout.c (place_field): Remove check for
2568 remaining_in_alignment when aligning at the end of a run.
2570 2006-06-11 Eric Christopher <echristo@apple.com>
2573 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2576 2006-06-11 Roger Sayle <roger@eyesopen.com>
2579 Revert incorrect fix for PR target/27158
2580 2006-05-08 Roger Sayle <roger@eyesopen.com>
2581 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2582 of a reg_equiv_constant if the result is a legitimate constant.
2584 2006-06-11 Roger Sayle <roger@eyesopen.com>
2587 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2588 extract a CONST_VECTOR element and interpret it as an integer.
2589 (vspltis_constant): Use const_vector_elt_as_int instead of the
2590 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2591 * config/rs6000/predicates.md (easy_vector_const): Consider
2592 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2594 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2597 * stor-layout.c (update_alignment_for_field): Don't add extra
2598 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2601 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2603 * config/mips/t-rtems: Add EL/EB multilib variants.
2605 2006-06-09 Mike Stump <mrs@apple.com>
2607 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2609 2006-06-09 David Daney <ddaney@avtrex.com>
2611 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2613 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2615 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2617 2006-06-09 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/26998
2620 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2621 of signed types, only TYPE_MIN_VALUE is special, but for both,
2622 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2623 in this case, as is -fwrapv.
2625 2006-06-08 Mike Stump <mrs@apple.com>
2628 * config/darwin.c (darwin_asm_output_anchor): Disable
2629 -fsection-anchors on darwin for now.
2630 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2631 * rs6000/rs6000.c (optimization_options): Likewise.
2633 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2636 * config/i386/i386.c (classify_argument): Skip fields with invalid
2639 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2641 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2642 (cse_insn): Likewise for the stack_pointer_rtx.
2644 2006-06-08 Roger Sayle <roger@eyesopen.com>
2646 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2647 conditions from floating point comparisons.
2649 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2652 * expmed.c (struct alg_hash_entry): Fix type of field T
2653 to match synth_mult argument.
2654 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2656 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2659 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2662 2006-06-08 Richard Guenther <rguenther@suse.de>
2665 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2666 only, if overflow is defined and not trapping.
2667 (negate_expr): Likewise.
2669 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2671 PR tree-optimization/27872
2672 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2673 flag on the new exit edge of the unrolled loop.
2675 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2677 PR rtl-optimization/26449
2678 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2680 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2683 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2684 referenced_variables with matching DECL_UID's.
2685 (find_referenced_vars): Make sure duplicate list is empty to start.
2686 (referenced_var_p): Remove.
2687 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2688 Check if var is in the list, and add if needed. Update the duplicate
2689 list if a different var is in the list with the same DECL_UID.
2690 (add_referenced_var): Call routine to check and insert.
2691 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2692 * tree-flow.h (referenced_vars_dup_list): External declaration.
2694 2006-06-07 Fred Fish <fnf@specifix.com>
2696 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2699 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2702 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2703 the imaginary and real parts of a clobbered register.
2704 Emit insn to set the imaginary part.
2706 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2708 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2709 in lieu of unwind-dw2-fde.c.
2711 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2713 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2715 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2718 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2719 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2720 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2721 V4SImode temporaries and operations instead.
2723 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2725 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2728 2006-06-06 Mike Stump <mrs@apple.com>
2730 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2731 installing during build.
2733 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2735 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2737 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2738 * config/ia64/ia64.c (params.h): New header.
2739 (ia64_optimization_options): New function to adjust parameters.
2740 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2741 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2742 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2744 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2746 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2748 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2751 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2753 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2754 Victor Kaplansky <victork@il.ibm.com>
2756 PR tree-optimization/26360
2757 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2760 2006-06-04 Roger Sayle <roger@eyesopen.com>
2761 Andrew Pinski <pinskia@physics.uc.edu>
2764 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2765 for LABEL_DECL before calling DECL_WEAK.
2768 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2769 LABEL_DECL and PARM_DECL.
2771 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2775 * c-decl.c (grokdeclarator): Disallow variably modified types at
2776 file scope. Avoid marking shared array type of constant size as
2779 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2782 * c-common.c (fold_offsetof_1): Handle static members.
2784 2006-06-04 Eric Christopher <echristo@apple.com>
2786 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2787 (debug_rli): Output value for remaining_in_alignment.
2788 (update_alignment_for_field): Unconditionalize
2789 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2790 extra alignment code.
2791 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2792 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2793 * tree.h (record_layout_info_s): Remove prev_packed.
2794 * doc/extend.texi (ms_struct): Add documentation of format.
2796 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2798 * tree.h: Declare folding_initializer.
2799 * builtins.c (fold_builtin_constant_p): Give definite answer
2800 if folding inside an initializer.
2801 * fold-const.c: Define folding_initializer.
2802 (START_FOLD_INIT): Save and then set folding_initializer.
2803 (END_FOLD_INIT): Restore folding_initializer.
2805 2006-06-04 Richard Guenther <rguenther@suse.de>
2807 PR tree-optimization/27039
2808 * fold-const.c (fold_comparison): Handle pointer comparison
2809 again for all comparison codes. Compare offsets in signed
2811 (fold_binary): Move code from here.
2813 2006-06-03 Roger Sayle <roger@eyesopen.com>
2816 * config/i386/i386.c (construct_container): Split static issued_error
2817 flag into issued_sse_arg_error, issued_sse_ret_error and
2818 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2819 requires the use of x87 registers and the user explicitly
2820 specified the -mno-80387 command line option.
2822 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2824 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2825 HAVE_DECL_SIGALTSTACK.
2827 (segv_handler): Use MC_FLD.
2828 * configure.ac: Check for a sigaltstack declaration.
2829 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2830 * configure: Regenerate.
2831 * config.in: Regenerate.
2833 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2836 * Makefile.in (stmp-fixinc): Fix typo.
2838 2006-06-02 Roger Sayle <roger@eyesopen.com>
2840 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2841 are type correct. Clean-up.
2842 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2843 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2845 2006-06-01 DJ Delorie <dj@redhat.com>
2847 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2848 shift, as we've disabled the "switch" insn that needs it.
2850 2006-06-01 Per Bothner <bothner@bothner.com>
2852 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2853 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2854 * c-ppoutput.c (cb_define): Don't increment line 0.
2856 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2858 * doc/invoke.texi: Add cpu_type power6.
2859 * config.gcc: Add cpu_type power6.
2860 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2861 to power5+ with Altivec.
2862 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2863 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2865 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2867 * config/avr/avr.h (SET_ASM_OP): Define.
2869 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2871 * config/bfin/bfin.c: Fix comment typos.
2873 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2876 * doc/install.texi: Document --enable-bootstrap and
2877 --disable-bootstrap.
2879 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2881 * doc/install.texi: Document that InfoZIP can replace jar.
2883 2006-05-31 Roger Sayle <roger@eyesopen.com>
2885 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2886 isn't available, directly generate the simpler x87 patterns without
2887 the (use (const_int 0)).
2888 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2889 implementation isn't available.
2890 (*negdf2_1): Likewise.
2891 (*negxf2_1): XF mode negation is always done using the x87.
2892 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2894 2006-05-31 Roger Sayle <roger@eyesopen.com>
2896 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2897 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2899 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2901 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2903 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2904 * config/bfin/bfin.c (basic-block.h): Include.
2905 (struct machine_function): New.
2906 (bfin_init_machine_status): New.
2907 (override_options): Initialize init_machine_status.
2908 (bfin_hardware_loop): New.
2909 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2910 (DEF_VEC_P (loop_info)): New.
2911 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2912 (struct loop_info): New.
2913 (loop_info): New typedef.
2914 (struct loop_work): New.
2915 (loop_work): New typedef.
2916 (DEF_VEC_O (loop_work)): New.
2917 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2918 (bfin_dump_loops): New.
2919 (bfin_bb_in_loop): New.
2920 (bfin_scan_loop): New.
2921 (bfin_optimize_loop): New.
2922 (bfin_reorg_loops): New.
2923 (bfin_reorg): Use bfin_reorg_loops.
2924 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2926 (I_REGNO_P): Simplify.
2927 (DP_REGNO_P, DPREG_P): New macros.
2928 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2929 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2930 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2931 Add LT_REGS, LC_REGS, LB_REGS.
2932 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2934 (REGNO_REG_CLASS): Deal with loop registers.
2935 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2937 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2938 New constants for loop registers.
2939 (UNSPEC_LSETUP_END): New.
2940 (seq_insns): New define_attr. Set it for appropriate insns.
2941 (movsi_insn): Add alternatives for move from/to
2942 loop count registers.
2943 (doloop_end): New define_expand.
2944 (loop_end): New define_insn.
2945 (define_split for bad doloop_end): New.
2946 (lsetup_with_autoinit): New define_insn.
2947 (lsetup_without_autoinit): New define_insn.
2948 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2949 * config/bfin/predicates.md (lc_register_operand): New.
2950 (lt_register_operand): New.
2951 (lb_register_operand): New.
2952 (nondp_register_operand): New.
2953 (nondp_reg_or_memory_operand): New.
2954 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2956 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2958 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2959 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2961 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2963 * Makefile.in (CATALOGS): Add po/ prefix.
2964 * configure: Regenerated.
2966 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2969 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2970 a shift operand before calling shift_op. Avoid redundant call of
2973 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2974 DJ Delorie <dj@redhat.com>
2976 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2977 we're inserting is a singlt-bit constant.
2979 2006-05-30 Roger Sayle <roger@eyesopen.com>
2981 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2982 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2984 2006-05-30 Roger Sayle <roger@eyesopen.com>
2986 PR tree-optimization/23452
2987 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2988 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2989 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2990 complex values and with -ffast-math for FP complex values.
2992 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2994 * c-common.h: Remove the prototype for yyparse.
2995 * rtl.h: Remove the prototype for init_loop.
2997 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2999 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3002 2006-05-30 Roger Sayle <roger@eyesopen.com>
3004 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3006 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3007 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3009 2006-05-30 Dirk Mueller <dmueller@suse.de>
3012 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3013 for CONSTANT_CLASS_P expresisons.
3015 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3018 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3020 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3022 PR tree-optimization/27779
3023 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3024 initial_condition instead of CHREC_LEFT.
3026 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3028 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3029 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3030 Make prototypes ISO C90.
3032 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3033 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3035 * see.c (see_analyze_one_def): Correct check.
3036 (see_get_extension_data): Check if extension is parallel.
3037 (see_get_extension_reg): Likewise.
3039 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3042 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3043 into register for (code == GTU).
3045 2006-05-29 Roger Sayle <roger@eyesopen.com>
3047 PR tree-optimization/24964
3048 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3049 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3050 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3051 abs(x)*abs(x) as x*x for scalar floating point modes.
3053 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3056 * lambda-code.c (perfect_nestify): Don't copy statements
3057 in the inner loop: move them to the inner loop header.
3059 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3062 * c-tree.texi: Document OpenMP directives and clauses.
3064 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3066 * varasm.c (globalize_decl): Fix indentation.
3068 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3071 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3072 pass_fre, pass_store_ccp, pass_copy_prop,
3073 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3074 pass_return_slot, pass_object_size, pass_lim,
3075 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3076 pass_loop_prefetch and pass_stdarg.
3078 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3080 * config/bfin/bfin.opt (mfdpic): New option.
3081 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3082 (EXTRA_MULTILIB_PARTS): Likewise.
3083 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3084 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3086 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3087 (CRT_CALL_STATIC_FUNCTION): New.
3088 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3090 (CRT_CALL_STATIC_FUNCTION): New.
3091 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3093 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3094 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3095 (initialize_trampoline): Changed to handle FD-PIC code generation.
3096 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3097 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3098 (override_options): Disallow -mid-shared-library -mfdpic combination.
3099 Can't do unaligned ops if FD-PIC.
3100 Turn off flag_pic if trying to generate non-id-shared-library
3101 non-fdpic code, since it's not supported.
3102 (bfin_assemble_integer): New function.
3103 (TARGET_ASM_INTEGER): Define.
3104 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3106 * config/bfin/crtn.s: Restore them.
3107 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3109 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3110 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3111 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3112 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3113 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3115 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3116 FDPIC_REGS and FDPIC_FPTR_REGS.
3117 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3118 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3119 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3120 (load_funcdescsi): New pattern.
3121 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3122 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3123 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3125 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3127 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3130 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3132 * tree-flow.h: Remove the prototype for add_type_alias.
3133 * tree-ssa-alias.c (add_type_alias): Remove.
3135 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3137 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3138 config/fr30/fr30.md, config/i386/i386-interix.h,
3139 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3140 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3141 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3142 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3143 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3144 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3145 Follow spelling conventions.
3146 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3147 Follow spelling conventions.
3149 2006-05-27 Richard Guenther <rguenther@suse.de>
3152 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3153 to produce a constant of value 1 of generic type.
3155 2006-05-27 Dirk Mueller <dmueller@suse.de>
3157 * cgraphunit.c (decide_is_function_needed): Fix wrong
3160 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3162 PR rtl-optimization/27661
3163 * reload.c (find_reloads): When reloading a VOIDmode constant
3164 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3165 use Pmode as mode of the reload register.
3167 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3169 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3170 is enabled at -O and above.
3172 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3175 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3178 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3181 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3182 for anonymous variables explicitly declared by front ends.
3184 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3186 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3187 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3188 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3189 ref-all pointers, run a finalization pass for them.
3190 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3191 (finalize_ref_all_pointers): New function.
3192 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3193 regular pointer type to a ref-all pointer type.
3194 (get_tmt_for): Return the special memory tag for ref-all pointers.
3196 2006-05-25 Richard Guenther <rguenther@suse.de>
3199 * fold-const.c (fold_binary): Do not look at the stripped
3200 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3202 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3204 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3205 for LT and GT if the computed range is effectively empty.
3207 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3210 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3211 mips_quad_format formats instead of ieee_single_format,
3212 ieee_double_format and ieee_quad_format formats, respectively.
3214 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3216 PR tree-optimization/27639
3217 PR tree-optimization/26719
3218 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3219 call to scev_probably_wraps_p.
3220 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3221 used_in_pointer_arithmetic_p, convert_step): Removed.
3222 (nowrap_type_p): New function.
3223 (scev_probably_wraps_p): Rewritten.
3224 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3225 chrec_convert if chrec_convert_aggressive might have been used.
3226 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3227 scev_direction): New functions.
3228 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3229 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3230 instead of convert_step.
3231 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3232 (convert_step): Declaration removed.
3233 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3235 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3237 * df-core.c: Added to header comments.
3238 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3239 df_ur_bb_info, df_urec_bb_info): Added comments.
3240 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3241 urec, ri problems): Fixed header comments.
3242 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3243 code from df_rd_transfer_function.
3245 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3247 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3248 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3249 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3251 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3253 * expr.c (undefined_operand_subword_p): New.
3254 (emit_move_multi_word): Do not generate move from undefined bits
3255 of a paradoxical subreg.
3257 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3259 PR rtl-optimization/27736
3260 * combine.c (replaced_rhs_value): New variable.
3261 (combine_instructions): Set it.
3262 (distribute_notes): When distributing a note in replaced_rhs_insn,
3263 check whether the value was used in replaced_rhs_value.
3265 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3268 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3269 add_referenced_var instead of add_referenced_tmp_var.
3270 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3271 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3273 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3274 tree_optimize_tail_calls_1): Use add_referenced_var.
3275 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3276 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3277 Use add_referenced_var.
3278 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3279 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3280 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3281 Use add_referenced_var.
3282 * tree-dfa.c (struct walk_state): Remove.
3283 (find_referenced_vars): Remove walk state and vars_found hash table.
3284 (make_rename_temp): Use add_referenced_var.
3285 (find_vars_r): Pass less parameters to add_referenced_var.
3286 (referenced_var_p): New. Is var in referenced_var hash table.
3287 (referenced_var_insert): Assert var isn't already in hash table.
3288 (add_referenced_var): Don't need walk_state parameter. Add var if it
3289 isn't already in the hash table.
3290 (add_referenced_tmp_var): Remove.
3291 (find_new_referenced_vars_1): Use add_referenced_var.
3292 * tree-ssa-pre.c (create_expression_by_pieces,
3293 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3294 Use add_referenced_var.
3295 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3296 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3297 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3299 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3300 vect_create_data_ref_ptr, vect_create_destination_var,
3301 vect_init_vector, vect_build_loop_niters,
3302 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3303 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3304 Use add_referenced_var.
3305 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3306 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3307 (add_referenced_var): Add prototype.
3308 * tree-ssa-structalias.c (get_constraint_for,
3309 intra_create_variable_infos): Use add_referenced_var.
3311 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3313 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3314 big-endian paradoxical subregs.
3315 * var-tracking.c (struct micro_operation_def): Document that,
3316 for modify micro operations, insn is the subsequent instruction.
3317 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3318 (var_reg_set, var_mem_set): ... new functions.
3319 (add_stores): Record subsequent insn.
3320 (compute_bb_dataflow): Use new functions for MO_USE.
3321 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3322 notes after the insn, and modify notes before the insn known
3323 to be the subsequent one.
3324 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3326 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3329 * config/i386/i386.c (ix86_expand_builtin): Use
3330 gen_sse3_monitor64 for TARGET_64BIT.
3332 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3334 PR rtl-optimization/26375
3335 PR rtl-optimization/26855
3336 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3338 (df_ru_bb_local_compute): Reversed statements and removed bogus
3339 comment explaining why they should be in wrong order.
3340 (df_ru_dump, df_rd_dump): Enhanced debug info.
3341 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3343 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3344 reaching uses and fixed space problem.
3346 2006-05-23 Jan Hubicka <jh@suse.cz>
3348 * cgraphunit.c (decide_is_function_needed): Also nested functions
3349 and functions declared inline can be optimized out at -O0.
3351 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3353 * doc/install.texi (Configuration): Remove reference to CrossGCC
3357 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3360 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3361 ix86_compare_emitted is non-NULL.
3363 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3366 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3369 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3371 PR rtl-optimization/25514
3372 * combine.c (replaced_rhs_insn): New variable.
3373 (combine_instructions): Set replaced_rhs_insn when trying to replace
3374 a SET_SRC with a REG_EQUAL note.
3375 (distribute_notes): Use replaced_rhs_insn when determining the live
3376 range of a REG_DEAD register.
3378 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3379 Anatoly Sokolov <aesok@post.ru>
3381 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3382 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3383 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3384 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3385 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3386 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3387 at90usb647, at90usb1286 and at90usb1287 devices.
3388 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3389 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3391 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3393 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3395 2006-05-22 Richard Guenther <rguenther@suse.de>
3398 2006-01-31 Richard Guenther <rguenther@suse.de>
3399 Paolo Bonzini <bonzini@gnu.org>
3401 * doc/install.texi (--disable-libgcc-math): Document.
3403 2006-05-22 Richard Guenther <rguenther@suse.de>
3406 2006-01-31 Richard Guenther <rguenther@suse.de>
3408 * doc/invoke.texi (-msselibm): Document.
3409 * target.h (expand_library_builtin): New target hook.
3410 * builtins.c (expand_builtin): Use expand_library_builtin.
3411 (default_expand_library_builtin): New function.
3412 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3413 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3414 (link_gcc_math_spec): Declare.
3415 (static_specs): Add link_gcc_math_spec.
3416 * expr.h (default_expand_library_builtin): Declare.
3417 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3418 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3419 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3420 * config/i386/i386.opt (msselibm): New target option.
3421 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3422 (ix86_init_sse_abi_builtins): New function.
3423 (ix86_expand_library_builtin): Likewise.
3424 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3425 (override_options): Handle error conditions wrt -msselibm.
3426 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3427 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3428 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3431 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3434 * c-common.c (self_promoting_args_p): Skip erroneous args.
3437 * c-decl.c (finish_struct): Skip erroneous fields.
3439 2006-05-22 Nick Clifton <nickc@redhat.com>
3441 * config/cris/cris.opt (march): Remove VarExists attribute.
3442 (max-stackframe=): Likewise.
3444 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3446 * doc/rtl.texi: Fix a typo.
3447 * see.c: Fix comment typos.
3449 * tree-ssa-structalias.h (alias_info): Remove num_references.
3451 2006-05-21 Mike Stump <mrs@apple.com>
3453 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3455 (darwin_pragma_options): Use BAD instead.
3456 (darwin_pragma_unused): Likewise.
3457 (darwin_pragma_ms_struct): Likewise.
3459 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3461 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3463 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3465 PR rtl-optimization/27671
3466 * simplify-rtx.c (simplify_relational_operation_1): Fix
3467 simplifications of (eq/ne (xor x y) y) and
3468 (eq/ne (xor x y) x).
3470 PR tree-optimization/26622.
3471 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3474 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3476 * tree-cfg.c: Prune whitespace.
3477 (debug_tree_cfg): Point to correct header containing the
3480 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3483 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3485 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3488 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3489 or sorry count is non zero.
3491 2006-05-20 Andreas Schwab <schwab@suse.de>
3493 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3495 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3496 Kenneth Zadeck <zadeck@naturalbridge.com>
3498 PR rtl-optimization/26855
3500 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3502 (df_scan_alloc): Added code to properly handle multiword hard
3503 registers and add all_blocks parameter.
3504 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3505 code to properly handle multiword hard registers.
3506 (df_rescan_blocks): Added code to remove deleted blocks from
3508 (df_ref_create_structure, df_ref_record): Added code to properly
3510 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3511 and set DF_REF_PARTIAL.
3512 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3513 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3514 (df_scan_add_problem): Added flags parameter.
3515 (df_ref_create_structure): Changed switching structure.
3516 (df_bb_refs_record): Fixed case where duplicate artificial refs
3517 were created. Changed location of flags.
3518 (df_record_entry_block_defs): Added code to make stack pointer
3519 live in entry block. Refined cases where frame pointer is needed.
3520 Changed location of flags.
3521 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3522 (df_set_state): Removed function.
3523 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3524 df_insn_create_insn_record, df_insn_refs_delete,
3525 df_ref_create_structure): Formatting changes.
3526 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3527 df_delete_basic_block): New function.
3528 (df_init): Changed location of flags.
3529 (df_add_problem): Added flags parameter and the way flags are
3531 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3532 debug_df_chain): Improved debugging output.
3533 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3534 (df_refs_chain_dump): Removed df parameter.
3535 (df_iterative_dataflow): Added consistency check.
3536 (df_prune_to_subcfg): Made public.
3537 (df_analyze_problem): Added blocks_to_init parameter and made
3539 (df_ref_record, df_bb_refs_record, df_mark_reg,
3540 df_record_exit_block_uses): Whitespace changes.
3541 (df_dump): Whitespace changes.
3542 * df.h: Some reordering to remove forward references.
3543 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3544 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3545 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3546 (dataflow.flags): New field.
3547 (df.flag): Deleted field.
3548 (df_alloc_function): Added additional bitmap parameter.
3549 (df_dependent_problem_function): New type.
3550 (df_problem.changeable_flags): New field.
3551 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3552 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3553 (df_mw_hardreg): New struct.
3554 (DF_INSN_UID_MWS): New macro.
3555 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3557 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3558 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3559 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3560 (df_set_state): Removed function.
3561 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3562 * df-problems.c (df_chain_dump): Removed df parameter.
3563 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3564 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3566 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3567 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3568 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3569 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3570 DF_REF_MUST_CLOBBER cases.
3571 (df_ru_bb_local_compute_process_def,
3572 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3573 df_lr_bb_local_compute, df_ur_bb_local_compute,
3574 df_chain_create_bb): Made subreg aware.
3575 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3576 df_lr_bb_local_compute, df_lr_bb_local_compute,
3577 df_chain_create_bb): Cleanup to use proper macros.
3578 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3579 code to fixup bitvectors.
3580 (df_ri_alloc): Cleared lifetime.
3581 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3582 df_create_unused_note): New function.
3583 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3584 REG_DEAD and REG_UNUSED notes as well as register information.
3585 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3586 df_chains_dump): Fixed crash if problem was never run.
3587 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3588 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3589 df_ri_add_problem): Processes flags in uniform manner.
3590 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3591 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3592 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3593 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3594 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3595 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3596 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3597 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3598 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3599 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3600 * see.c (see_initialize_data): Ditto.
3601 * final.c (rest_of_clean_state) Added regstack_completed.
3602 * rtl.h (regstack_completed): Ditto.
3603 * reg-stack.c (regstack_completed): Ditto.
3605 2006-05-19 Mike Stump <mrs@apple.com>
3607 * c-tree.h (default_conversion): Remove.
3608 * c-common.h (default_conversion): Add.
3610 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3612 * tree-vrp.c (valid_value_p): New function.
3613 (adjust_range_with_scev): Fail if the value of bound is not
3616 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3618 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3619 (mips_fallback_frame_state): Use syscall numbers to determine
3620 the appropriate li instruction for the current ABI. Only use
3621 __NR_sigreturn for o32.
3623 2006-05-19 Nicolas Setton <setton@adacore.com>
3625 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3626 * langhooks.c (lhd_dwarf_name): New function.
3627 * langhooks-def.h (lhd_dwarf_name): Declare.
3628 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3629 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3630 * ada/misc.c (gnat_dwarf_name): New function.
3631 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3633 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3635 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3637 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3638 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3639 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3640 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3641 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3642 determine the size of Wtype, etc.
3643 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3644 (swfloatfuncs): New variable.
3645 (dwfloatfuncs): Likewise.
3646 (lib2funcs): Remove floating-point conversion functions from
3647 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3648 the set of conversion routines needed. Allow entries to specify
3649 an object name, filename and word size. Update users accordingly.
3650 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3651 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3655 2006-02-08 Roger Sayle <roger@eyesopen.com>
3658 * config/fixtfdi.c: New libgcc source file.
3659 * config/fixunstfdi.c: New source file.
3660 * config/floatditf.c: New source file.
3661 * config/floatunditf.c: New souce file.
3662 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3663 files above instead of config/mips/_tilib.c.
3664 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3666 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3668 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3669 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3671 2006-05-18 Mike Stump <mrs@apple.com>
3673 Fix up vla, vm and [*] sematics.
3679 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3680 (c_vla_unspec_p): Add.
3681 (c_vla_type_p): Add.
3682 * c-decl.c (struct c_scope): Add had_vla_unspec.
3683 (build_array_declarator): Add support for [*].
3684 (grokdeclarator): Likewise.
3685 (grokparms): Likewise.
3686 (get_parm_info): Likewise.
3687 * c-objc-common.c (c_vla_unspec_p): Likewise.
3688 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3689 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3690 typeof when argument is a variably modified type not inside sizeof or alignof.
3691 (c_parser_direct_declarator_inner): Propagate errors.
3692 (c_parser_sizeof_expression): Add support for [*].
3693 (c_parser_parms_declarator): Initialize had_vla_unspec.
3694 (c_parser_parms_list_declarator): Likewise.
3695 * c-typeck.c (c_vla_type_p): Add.
3696 (composite_type): Add support for vla compositing.
3697 (comptypes_internal): Add support for vla compatibility.
3698 (c_expr_sizeof_expr): Evaluate vla arguments.
3699 * tree.c (variably_modified_type_p): Update comment for [*].
3701 2006-05-18 Michael Matz <matz@suse.de>
3704 * config.host: Make assignments to host_xmake_file cumulative.
3705 * config.host (*-darwin*): Test $host, not $target.
3707 2006-05-12 Stuart Hastings <stuart@apple.com>
3709 * config/i386/i386.opt (-mstackrealign): New flag.
3710 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3711 (ix86_handle_cconv_attribute): Emit error when
3712 force_align_arg_pointer attribute collides with too many regparms.
3713 (ix86_function_regparm): Limit regparms when used with
3714 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3715 Support stack-realigning prologue in non-main functions. Emit
3716 warning for nested functions under -mstackrealign, emit error for
3717 nested functions with force_align_arg_pointer attribute.
3718 * doc/extend.texi (force_align_arg_pointer): Document it.
3719 * doc/invoke.texi (-mstackrealign): Document it.
3721 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3723 PR rtl-optimization/27477
3724 * combine.c (try_combine): Don't split a parallel consisting
3725 of two sets into two individual sets if both sets reference
3728 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3730 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3731 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3733 * doc/options.texi (VarExists): Updated.
3735 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3737 * unwind-dw2.c: Add declarations for uw_update_context and
3739 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3740 detected, advance frame state and context once to skip over stub.
3742 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3746 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3747 Call rewrite_into_loop_closed_ssa only when something changed.
3748 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3749 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3750 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3751 Test for perfect_nest_p here. Fix formating.
3752 (replace_uses_equiv_to_x_with_y): Fix formating.
3753 (stmt_uses_op): Removed.
3754 (can_convert_to_perfect_nest): Removed loopivs parameter.
3755 Complete the test by checking the scalar dependences.
3756 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3759 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3762 From Dan Kegel <dank@kegel.com>:
3763 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3765 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3767 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3768 if the element type is variably modified without recursing.
3770 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3773 * tree-loop-linear.c (try_interchange_loops): Test for
3774 no data dependences.
3776 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3778 PR tree-optimization/27548
3779 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3780 range of ssa names that appear on abnormal edges.
3781 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3782 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3784 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3787 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3789 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3792 * tree.h (OMP_PARALLEL_COMBINED): Define.
3793 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3794 (new_omp_context): Add is_combined_parallel argument.
3795 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3796 new_omp_context caller.
3797 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3798 Adjust gimplify_scan_omp_clauses callers.
3799 (omp_is_private): Issue errors if iteration variable is firstprivate
3800 or reduction in the current context.
3801 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3802 on combined parallel workshare constructs.
3804 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3806 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3807 (gcc-options.o): New rule.
3809 * optc-gen.awk: Protect variables for gcc-options.o with
3810 #ifdef GCC_DRIVER/#endif.
3812 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3814 Fix PR tree-optimization/27373
3815 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3816 (forward_propagate_addr_expr): Update call.
3818 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3820 * doc/options.texi: Move the Negative option.
3822 2006-05-16 Richard Guenther <rguenther@suse.de>
3824 PR tree-optimization/22303
3825 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3827 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3828 ccp_fold did not simplify the statement.
3830 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3833 * Makefile.in (GCC_OBJS): New.
3834 (OBJS-common): Add opts-common.o.
3835 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3836 (cpp$(exeext)): Likewise.
3837 (gcc.o): Also depend on opts.h.
3838 (opts-common.o): New.
3840 * common.opt (gcoff): Add Negative(gdwarf-2).
3841 (gdwarf-2): Add Negative(gstabs).
3842 (gstabs): Add Negative(gstabs+).
3843 (gstabs+): Add Negative(gvms).
3844 (gvms): Add Negative(gxcoff).
3845 (gxcoff): Add Negative(gxcoff+).
3846 (gxcoff+): Add Negative(gcoff).
3847 * config/i386/i386.opt (m32): Add Negative(m64).
3848 (m64): Add Negative(m32).
3850 * doc/options.texi: Document the Negative option.
3852 * gcc.c: Include "opts.h".
3853 (main): Call prune_options after expandargv.
3855 * optc-gen.awk: Generate common declarations for all flag
3856 variables in options.c. Output the neg_index field.
3858 * opts.c (find_opt): Moved to ...
3859 * opts-common.c: Here. New file.
3861 * opts.h (cl_option): Add a neg_index field.
3863 (prune_options): Likewise.
3865 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3868 * omp-low.c (expand_omp_parallel): Don't assert
3869 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3870 instead search for it.
3873 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3876 2006-05-16 Andreas Schwab <schwab@suse.de>
3878 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3881 2006-05-15 Roger Sayle <roger@eyesopen.com>
3884 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3885 integer constants other than zero are only legitimate on TARGET_64BIT.
3886 <CONST_VECTOR> Only zero vectors are legitimate.
3887 (ix86_cannot_force_const_mem): Integral and vector constants can
3888 always be put in the constant pool.
3890 2006-05-16 DJ Delorie <dj@redhat.com>
3892 * crtstuff.c (__dso_handle): Set section from
3893 TARGET_LBIGCC_SDATA_SECTION if defined.
3894 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3895 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3897 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3900 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3903 2006-05-16 Ben Elliston <bje@au.ibm.com>
3905 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3907 2006-05-15 Per Bothner <per@bothner.com>
3909 * tree.c: (last_annotated_node): Use source_locus typedef.
3910 This permits bootstrapping with --enable-mapped-location.
3912 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3914 PR tree-optimization/26830
3915 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3916 (info_for_ssa_name, current_info_for_ssa_name_age,
3917 blocks_to_update): New variables.
3918 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3919 (clear_ssa_name_info, initialize_flags_in_bb,
3920 mark_block_for_update): New functions.
3921 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3922 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3923 prepare_def_site_for): Use mark_block_for_update.
3924 (mark_def_interesting): Assert that the processed block is marked in
3925 blocks_to_update. Do not take blocks argument.
3926 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3928 (rewrite_update_init_block, rewrite_update_stmt): Only process
3929 blocks with statements to rewrite.
3930 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3931 (update_ssa): Initialize and free blocks_to_update. Do not
3932 clear flags on statements. Do not use blocks bitmap.
3933 * tree.h (SSA_NAME_AUX): Removed.
3934 (struct tree_ssa_name): Removed aux field.
3935 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3937 2006-05-15 Richard Guenther <rguenther@suse.de>
3939 PR tree-optimization/27603
3940 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3941 Do computations in original type.
3943 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3945 * see.c: Code style changes such as redundant paranthesis,
3946 redundant intialization of local variables etc.
3947 (see_main): Declared now as static.
3948 * doc/invoke.texi: Update that -fsee is not enabled by
3951 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3953 * omp-low.c (check_omp_nesting_restrictions): New function.
3954 (scan_omp_1): Call it.
3957 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3958 construct, return *VAR.
3960 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3962 PR rtl-optimization/27406
3963 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3966 2006-05-14 Roger Sayle <roger@eyesopen.com>
3968 PR rtl-optimization/27538
3969 * combine.c (expand_compound_operation): Call gen_lowpart
3970 before calling simplify_shift_const.
3972 2006-05-14 Roger Sayle <roger@eyesopen.com>
3974 PR rtl-optimization/22563
3975 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3976 a fixed width bitfield, always force the intermediates into psuedos.
3978 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3981 * mkconfig.sh: Use operator = instead of == for test.
3983 2006-05-13 Nick Clifton <nickc@redhat.com>
3985 * dwarf2out.c (dbx_reg_number): Check return value from
3986 LEAF_REG_REMAP and only use it if it is valid.
3987 (multiple_reg_loc_descriptor): Likewise.
3989 2006-05-13 Richard Guenther <rguenther@suse.de>
3991 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3994 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3996 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3997 information attached to non-INSNs such as NOTEs.
3998 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4000 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4002 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4004 * config/s390/s390.md: Adjust comment describing On constraint.
4006 2006-05-11 Jan Hubicka <jh@suse.cz>
4008 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4009 to be output at -O0.
4011 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4014 * fold-const.c (size_binop): Move sanity check for arguments to
4015 the beginning of the function.
4018 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4021 2006-05-11 Richard Guenther <rguenther@suse.de>
4024 * fold-const.c (fold_unary): Handle intermediate conversion
4025 to a pointer type like intermediate conversion to an integer
4026 type in folding of (T1)(T2)var to var.
4027 Match the code to the comment in the final conversion for
4028 (T1)(T2)var to (T1)var regarding to type precision. Rather
4029 than disallow T1 being of pointer type, assert that both T1
4030 and var are of pointer type or not. Make sure not to fall
4031 over the frontends lazyness wrt array to pointer decay though.
4033 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4035 * arm.c (arm_struct_value_rtx): Delete.
4036 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4037 (arm_init_cumulative_args): Always initialize nregs to zero.
4039 2006-05-10 Richard Guenther <rguenther@suse.de>
4041 PR tree-optimization/27532
4042 * tree-object-size.c (plus_expr_object_size): Fix typo.
4044 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4047 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4048 ashrdi_const, ashrdi3): Use a scratch register.
4050 2006-05-10 Richard Guenther <rguenther@suse.de>
4052 PR tree-optimization/27302
4053 * fold-const.c (operand_equal_p): For two comparisons,
4054 try comparison of one comparison code swapped if that yields
4057 2006-05-10 Ben Elliston <bje@au.ibm.com>
4059 * tree-pretty-print.c (pretty_print_string): No need to handle
4060 '\0' as a special character.
4062 * tree.h: Include "hashtab.h".
4063 (iterative_hash_expr): Use hashval_t in its prototype.
4064 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4066 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4069 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4070 (hppa*64*-*-hpux11*): Ditto.
4071 (hppa[12]*-*-hpux11*): Ditto.
4073 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4076 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4078 2006-05-09 Michael Matz <matz@suse.de>
4080 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4081 host_extra_gcc_objs and host_xmake_file.
4082 (<*-*-linux*>): Don't overwrite host_xmake_file.
4083 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4084 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4085 (host_detect_local_cpu): Declare.
4086 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4087 * config/i386/i386.c (override_options): Handle -mtune=native
4089 * config/i386/x-i386: New file.
4090 * config/i386/driver-i386.c: New file.
4091 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4094 2006-05-09 Dirk Mueller <dmueller@suse.de>
4095 Richard Guenther <rguenther@suse.de>
4098 * fold-const.c (fold_read_from_constant_string): Relax check
4099 for matching types to matching modes.
4101 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4103 PR rtl-optimization/27335
4104 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4107 2006-05-08 Chao-ying Fu <fu@mips.com>
4108 Richard Sandiford <richard@codesourcery.com>
4110 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4111 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4112 * config/mips/mips.md (UNSPEC_SCC): New constant.
4113 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4114 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4115 (mips_emit_compare): Use it.
4116 (mips_expand_vcondv2sf): New function.
4118 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4120 Fix PR tree-optimization/27093
4121 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4122 renaming when they become not-used_alone.
4124 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4126 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4127 relocation and relocation stubs.
4129 2006-05-08 Eric Christopher <echristo@apple.com>
4131 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4134 2006-05-08 Jan Hubicka <jh@suse.cz>
4137 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4138 unused static functions are needed.
4140 2006-05-08 Roger Sayle <roger@eyesopen.com>
4143 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4144 of a reg_equiv_constant if the result is a legitimate constant.
4146 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4149 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4150 standard 80387 constants, raise the cost to prevent
4151 compress_float_constant() to generate load from memory.
4153 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4155 * config/arm/constraints.md (c): Fix a typo.
4157 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4160 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4163 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4165 (_mm_mwait): Likewise.
4167 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4169 (sse3_monitor): Make it 32bit only.
4170 (sse3_monitor64): New. 64bit monitor.
4172 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4175 * config/i386/i386.c (classify_argument): Skip fields with invalid
4178 2006-05-07 Richard Guenther <rguenther@suse.de>
4180 PR tree-optimization/27409
4181 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4182 Do not try to find zero-sized subvars.
4184 2006-05-07 Richard Guenther <rguenther@suse.de>
4186 PR tree-optimization/27136
4187 * tree-ssa-loop-niter.c (get_val_for): Correct function
4188 comment, assert requirements.
4189 (loop_niter_by_eval): Stop processing if the iterated
4190 value did not simplify.
4192 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4194 * opts.c (flag_see): remove its setting at -O3.
4196 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4198 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4199 * arm/constraints.md: New file.
4200 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4201 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4202 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4203 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4204 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4205 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4206 * arm.md: Include constraints.md.
4207 (thumb_movsi_insn): Use satisfies_constraint_J.
4208 (movhi, movqi): Use satisfies_constraint_I.
4210 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4212 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4213 for atmeg a645 device.
4215 2006-05-06 Richard Guenther <rguenther@suse.de>
4217 PR tree-optimization/27151
4218 * tree-vect-transform.c (vectorizable_condition): Punt on
4219 values that have a different type than the condition.
4221 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4224 * c-parser.c (c_parser_cast_expression): Only insert casts into
4225 hash table if pointer.
4226 * function.c (used_types_insert_helper): Rename from
4228 (used_types_insert): Call used_types_insert_helper.
4229 * function.h (used_types_insert): Accept only one argument.
4231 2006-05-05 David Edelsohn <edesohn@gnu.org>
4233 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4234 scratch with output modifier.
4236 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4239 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4240 with output modifier.
4242 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4245 * config/mips/mips.c (mips_symbolic_address_p): Return true
4246 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4247 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4249 2006-05-04 Richard Guenther <rguenther@suse.de>
4251 PR tree-optimization/14287
4252 PR tree-optimization/14844
4253 PR tree-optimization/19792
4254 PR tree-optimization/21608
4255 PR tree-optimization/27090
4256 * tree-ssa-pre.c (try_combine_conversion): New function.
4257 (compute_avail): After constructing the value-handle
4258 expression, use try_combine_conversion to combine NOP_EXPRs
4259 with previous value-handle expressions and use the result if it
4262 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4264 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4266 2006-05-04 Jan Hubicka <jh@suse.cz>
4269 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4271 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4273 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4274 that this only matches CONST_INTs. All users changed to VOIDmode
4277 * config/bfin/bfin.c: Include "optabs.h".
4278 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4280 (enum bfin_builtins): Add a number of fractional and vector builtins.
4281 (bfin_init_builtins): Likewise.
4282 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4283 (safe_vector_operand, bfin_expand_binop_builtin,
4284 bfin_expand_unop_builtin): New functions.
4285 (bfin_expand_builtin): Handle the new builtins.
4286 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4289 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4292 * Makefile.in (OBJS-common): Add see.o.
4293 (see.o): Add dependencies.
4294 * common.opt (fsee): New flag for the see optimization was added.
4295 * opts.c (flag_see): Initialized.
4296 * passes.c (init_optimization_passes, pass_see): New pass.
4297 * rtl.h (see_main): Declaration as extern.
4298 * timevar.def (TV_SEE): New.
4299 * tree-pass.h (pass_see): Declaration as extern.
4300 * invoke.texi (-fsee): Document.
4301 * recog.c (validate_simplify_insn): New function.
4302 * recog.h (validate_simplify_insn): Declaration as extern.
4303 * df-problems.c (df_chain_dump): Check for NULL.
4305 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4306 Daniel Berlin <dberlin@dberlin.org>
4308 * cfgrtl.c (insert_insn_bb_end_new): New function.
4309 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4311 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4313 * df.h (struct web_entry): Moved from web.c.
4314 (union_defs): Declaration as extern.
4315 (unionfind_root): Likewise.
4316 (unionfind_union): Likewise.
4317 * web.c (struct web_entry): Moved to df.h.
4318 (unionfind_root): Remove static declaration.
4319 (unionfind_union): Likewise.
4320 (union_defs): Likewise and generalize to use callback function.
4321 (web_main): Update arguments for union_defs function call.
4323 2006-05-04 Richard Guenther <rguenther@suse.de>
4325 PR tree-optimization/26447
4326 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4327 produce SSA_NAME copies before the store stmt to avoid
4328 breaking exception handling.
4330 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4333 * gimplify.c (omp_is_private): If var is shared in some outer context,
4334 return false instead of true. Stop searching on parallel context
4337 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4340 * coverage.c: Use get_gcov_unsigned_t() instead of
4341 unsigned_type_node all over.
4343 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4345 PR tree-optimization/27381
4346 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4347 maintain the same immediate_use links.
4348 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4349 node rather than segfaulting.
4351 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4354 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4355 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4356 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4358 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4360 Fix PR tree-optimization/26626
4361 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4363 * tree-ssa-operands.c (access_can_touch_variable): Allow
4364 typecasting through union pointers.
4366 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4369 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4370 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4371 to find if var will be a global variable even in the nested context.
4372 (omp_copy_decl): Only check for global variable at the end, it might
4373 be overridden in outer contexts.
4374 (scan_sharing_clauses): For global variables don't create a field.
4375 (lower_rec_input_clauses): Do nothing for global shared variables.
4376 Emit a barrier at the end of ILIST if there were any decls in both
4377 firstprivate and lastprivate clauses.
4378 (lower_send_clauses): Do nothing for global variables except for
4381 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4383 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4384 of the correct signedness is returned.
4386 2006-05-02 Jeff Law <law@redhat.com>
4388 PR tree-optimization/27364
4389 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4390 multiply expressions.
4392 2006-05-02 Tom Tromey <tromey@redhat.com>
4394 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4396 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4399 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4400 -mthumb -fPIC are used.
4402 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4403 Joshua Kinard <kumba@gentoo.org>
4406 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4407 with 64-bit pointers.
4409 2006-05-02 Paul Brook <paul@codesourcery.com>
4411 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4413 (create_fix_barrier): Check that a suitable barrier location is
4415 (arm_reorg): Include ftmp->address in allowable range of addresses.
4417 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4420 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4423 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4426 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4427 around RESULT_DECL for result passed by reference.
4428 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4429 * omp-low.c (use_pointer_for_field): Don't look at
4430 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4431 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4432 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4433 time or var for passing by reference for
4434 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4435 TREE_ADDRESSABLE variables when passing by reference.
4437 * omp-low.c (dump_omp_region): Fix output formatting.
4440 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4441 (expand_omp_parallel): Likewise.
4442 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4445 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4446 on statement list containing also constructors and destructors.
4447 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4450 * except.c (duplicate_eh_regions): Fix clearing of
4451 cfun->eh->region_array entries.
4453 2006-05-01 DJ Delorie <dj@redhat.com>
4455 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4457 (gcc_cv_objdump): Likewise.
4458 * configure: Regenerated.
4460 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4463 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4464 templates for case 3 and 4.
4466 2006-05-01 DJ Delorie <dj@redhat.com>
4468 * vec.c: Include bconfig.h when appropriate.
4469 * Makefile.in (build/vec.o): Adjust dependencies.
4470 * mkconfig.sh: Make sure config.h isn't used for build machine
4473 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4475 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4477 (mark_phi_for_rewrite): New function.
4478 (insert_phi_nodes_for, mark_use_interesting): Call
4479 mark_phi_for_rewrite.
4480 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4481 (update_ssa): Initialize and free phis_to_rewrite.
4483 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4485 PR rtl-optimization/27291
4486 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4487 folded to a constant.
4489 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4491 PR tree-optimization/27283
4492 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4493 not whole # of iteration descriptions.
4494 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4495 uses abnormal ssa name.
4496 (niter_for_single_dom_exit): Ditto.
4497 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4498 return just the number of iterations.
4500 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4502 PR tree-optimization/27144
4503 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4504 (record_estimate): Only record constant upper bound.
4505 (infer_loop_bounds_from_undefined): Call
4506 compute_estimated_nb_iterations just once.
4507 (proved_non_wrapping_p): Renamed to ...
4508 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4509 (convert_step_widening, scev_probably_wraps_p): Call
4510 n_of_executions_at_most instead of proved_non_wrapping_p.
4511 (substitute_in_loop_info): Do not replace values in bounds.
4512 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4515 2006-05-01 Richard Henderson <rth@redhat.com>
4518 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4519 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4522 2006-05-01 Roger Sayle <roger@eyesopen.com>
4524 * c-typeck.c (parser_build_binary_op): Don't call the function
4525 unsigned_conversion_warning to spot operand/result type overflow.
4526 (build_binary_op): Instead, call convert_and_check instead of
4527 convert to report the problem when the operands are promoted.
4528 * c-common.c (unsigned_conversion_warning): Make static.
4529 * c-common.h (unsigned_conversion_warning): Delete prototype.
4531 2006-05-01 Richard Guenther <rguenther@suse.de>
4533 PR tree-optimization/26726
4534 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4536 (find_interesting_uses_address): ... we work around here
4537 by folding INDIRECT_REFs in the substituted base.
4539 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4541 * omp-low.c (dump_omp_region): Add newlines.
4543 2006-04-30 Roger Sayle <roger@eyesopen.com>
4545 * common.opt (Woverflow): New command line option.
4546 * c-common.c (constant_expression_warning): Check warn_overflow.
4547 (overflow_waring): Pass OPT_Woverflow to warning.
4548 (unsigned_conversion_warning): Likewise.
4549 (convert_and_check): Likewise.
4550 * doc/invoke.texi: Document new command line option.
4552 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4554 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4555 TARGET_NO_FP_IN_TOC for section anchors.
4556 (optimization_options): Enable section anchors for all
4557 non-"Objective" languages.
4559 2006-04-28 Eric Christopher <echristo@apple.com>
4561 * config/darwin-c.c (darwin_ms_struct): Move this
4562 (darwin_set_default_type_attributes): and this...
4563 * config/darwin.c: ... here.
4564 * config/darwin.h (darwin_ms_struct): Declare.
4566 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4568 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4570 2006-04-28 Roger Sayle <roger@eyesopen.com>
4573 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4574 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4575 an unsigned HOST_WIDE_INT.
4576 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4578 (really_start_incremental_init): No need to call convert because
4579 bitsize_zero_node is already of type bitsizetype.
4580 (push_init_level): Extract the value of constructor_index as an
4581 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4582 (process_init_element): Likewise.
4584 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4586 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4587 value before passing to make_relative_prefix.
4589 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4592 * builtins.c (expand_builtin_memset): Expand val in original mode.
4594 2006-04-27 Eric Christopher <echristo@apple.com>
4596 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4597 with #ifndef/#endif.
4598 * config/darwin-c.c (darwin_ms_struct): New.
4599 (darwin_pragma_ms_struct): Ditto.
4600 (darwin_set_default_type_attributes): Ditto.
4601 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4602 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4603 Register ms_struct pragma.
4604 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4605 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4606 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4607 darwin_set_default_type_attributes if TARGET_MACHO.
4609 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4611 PR tree-optimization/26854
4612 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4613 * doc/tree-ssa.texi: Update immuse iterator documentation.
4614 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4615 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4616 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4617 first_safe_imm_use, next_safe_imm_use): Remove.
4618 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4619 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4620 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4621 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4622 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4623 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4624 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4625 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4626 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4627 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4628 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4629 (perfect_nestify): Use new iterator.
4630 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4632 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4633 (next_imm_name): New field in struct immediate_use_iterator_d.
4634 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4635 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4636 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4637 * tree-cfg.c (replace_uses_by): Use new iterator.
4638 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4639 * tree-ssa-operands.c (correct_use_link): Remove.
4640 (finalize_ssa_use_ops): No longer call correct_use_link.
4642 2006-04-27 Stuart Hastings <stuart@apple.com>
4644 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4645 * config/t-darwin (crt3.o): Use it.
4646 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4647 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4648 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4649 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4650 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4653 2006-04-27 Roger Sayle <roger@eyesopen.com>
4655 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4656 size, force the intermediate into a new pseudo rather instead of
4657 performing both a bitwise AND and a bitwise IOR in memory.
4659 2006-04-27 Richard Guenther <rguenther@suse.de>
4661 PR rtl-optimization/26685
4662 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4663 this one "max-flow-memory-locations".
4665 2006-04-27 Richard Guenther <rguenther@suse.de>
4667 PR tree-optimization/25148
4668 * tree-vrp.c (compare_values): Remove code dealing with
4669 comparisons against type min/max value. Honour overflow
4670 and negative constants in code dealing with comparisons
4671 of plus and minus expressions.
4672 (value_inside_range): Use fold_binary with LE_EXPR and
4673 GE_EXPR rather than compare_values.
4675 2006-04-27 Dirk Mueller <dmueller@suse.de>
4677 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4680 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4682 * basic-block.h (safe_insert_insn_on_edge): Removed.
4683 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4685 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4686 Paolo Bonzini <bonzini@gnu.org>
4689 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4690 (simplify_and_const_int): Same.
4692 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4694 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4696 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4699 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4700 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4701 cgraph_global_info_ready.
4704 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4707 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4708 either decl or init is error_mark_node.
4711 * tree-flow.h (struct omp_region): Add sched_kind.
4712 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4713 instead of extracting omp for data.
4714 (expand_omp_for): Save extracted sched_kind.
4716 2006-04-25 Roger Sayle <roger@eyesopen.com>
4718 * expmed.c (store_bit_field): Also check whether the bitsize is
4719 valid for the machine's "insv" instruction before moving the
4720 target into a pseudo for use with the insv.
4721 * config/i386/predicates.md (const8_operand): New predicate.
4722 * config/i386/i386.md (extv, extzv, insv): Use the new
4723 const8_operand predicate where appropriate.
4725 2006-04-25 DJ Delorie <dj@redhat.com>
4727 * doc/install.texi (Specific): Clarify that this is not a list of
4728 supported hosts or targets.
4730 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4732 PR rtl-optimization/26725
4733 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4734 block's BB_DIRTY flag.
4736 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4738 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4741 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4742 to print an integer.
4744 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4746 * varasm.c (align_variable): New function.
4747 (get_block_for_decl): Apply align_variable to DECL before
4748 calculating section information.
4749 (assemble_variable): Split out alignment computation.
4751 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4753 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4756 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4758 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4759 MODE_PARTIAL_INT mode.
4760 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4761 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4763 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4764 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4766 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4768 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4770 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4771 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4772 MACFLAG_IH): Likewise.
4773 (movstricthi_1): Renamed from "*movstricthi".
4774 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4775 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4776 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4777 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4778 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4779 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4780 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4781 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4782 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4783 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4784 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4785 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4786 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4787 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4788 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4790 * doc/rtl.texi (ss_ashift): Improve wording.
4792 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4794 * dwarf2out.c (verify_marks_clear): New.
4795 (prune_unused_types): Call verify_marks_clear initially, not
4798 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4800 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4801 * doc/rtl.texi: Document them.
4802 * simplify-rtx.c (simplify_unary_operation,
4803 simplify_binary_operation_1): Don't abort when we see them.
4805 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4808 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4809 * configure.ac: Completely disregard languages that are not
4811 * configure: Regenerated.
4813 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4814 Richard Guenther <rguenther@suse.de>
4816 PR tree-optimization/27236
4817 * tree-inline.c (copy_body_r): Make sure to copy
4818 TREE_THIS_VOLATILE flag.
4820 2006-04-24 Richard Guenther <rguenther@suse.de>
4823 * tree-complex.c (update_parameter_components): Don't handle
4824 unused parameters which have no default def.
4826 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4827 Richard Guenther <rguenther@suse.de>
4829 PR tree-optimization/27218
4830 * tree-inline.c (expand_call_inline): Strip useless type
4831 conversions for the return slot address.
4833 2006-04-24 Richard Guenther <rguenther@suse.de>
4835 * cfgloop.h (struct loops): Remove unused field array. Reorder
4837 (LOOP_PREFETCH): Remove.
4839 2006-04-24 Richard Guenther <rguenther@suse.de>
4841 PR tree-optimization/22525
4842 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4843 variable, adjust types of generated expressions.
4845 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4847 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4848 (tree-vect-patterns.o): Likewise.
4850 (cselib.o): Likewise.
4851 (loop-doloop.o): Likewise.
4852 (regclass.o): Likewise.
4853 (reload1.o): Likewise.
4854 (explow.o): Replace target.h with $(TARGET_H).
4855 (ipa-prop.o): Likewise.
4856 (ipa-cp.o): Likewise.
4857 (ipa-inline.o): Likewise.
4858 (reorg.o): Likewise.
4859 (reg-stack.o): Likewise.
4861 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4863 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4865 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4867 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4869 * configure.ac: Completely disregard languages that are not
4871 * configure: Regenerated.
4874 * c-common.h (c_build_bitfield_integer_type): Declare.
4875 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4876 * c-common.c (c_build_bitfield_integer_type): ... here.
4878 2006-04-23 Roger Sayle <roger@eyesopen.com>
4881 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4882 a SImode SUBREG of a floating point register after no_new_pseudos.
4884 2006-04-23 Roger Sayle <roger@eyesopen.com>
4886 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4887 identify potentially eliminable registers to additionally catch
4888 VIRTUAL_INCOMING_ARGS_REGNUM.
4889 (addsi3): Update the conditions on when to use addsi_small_int.
4891 2006-04-23 Roger Sayle <roger@eyesopen.com>
4894 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4895 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4896 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4898 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4900 * fold-const.c (range_predecessor): Use operand_equal_p
4901 as the predicate for equality.
4902 (range_successor): Likewise.
4904 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4907 * config/soft-fp/op-common.h: Fix a typo.
4909 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4912 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4913 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4915 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4917 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4919 * doc/tm.texi: Fix a typo.
4921 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4923 * dwarf2out.c (struct die_struct): Document that die_sib makes
4924 a circular linked list.
4925 (FOR_EACH_CHILD): New.
4926 (reverse_die_lists): Delete.
4927 (reverse_all_dies): Delete.
4928 (add_dwarf_attr): Correct documentation.
4929 (remove_child_with_prev): New.
4930 (remove_child_TAG): Update for change to die_struct, use
4931 remove_child_with_prev.
4932 (add_child_die): Update for change to die_struct.
4933 (splice_child_die): Use remove_child_with_prev and add_child_die.
4934 (print_die): Use FOR_EACH_CHILD.
4935 (die_checksum): Likewise.
4936 (assign_symbol_names): Likewise.
4937 (output_location_lists): Likewise.
4938 (build_abbrev_table): Likewise.
4939 (calc_die_sizes): Likewise.
4940 (mark_dies): Likewise.
4941 (unmark_dies): Likewise.
4942 (unmark_all_dies): Likewise.
4943 (output_die): Likewise.
4944 (prune_unused_types_mark): Likewise.
4945 (prune_unused_types_walk): Likewise.
4946 (same_die_p): Update for change to die_struct.
4947 (break_out_includes): Likewise.
4948 (prune_unused_types_prune): Likewise.
4949 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4950 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4952 (dwarf2out_finish): Don't call reverse_all_dies.
4954 2006-04-21 Eric Christopher <echristo@apple.com>
4956 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4957 in comments and function names.
4959 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4962 * c-typeck.c (digest_init): Robustify.
4964 * c-typeck.c (pop_init_level): Simplify.
4966 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4968 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4970 2006-04-21 Paul Brook <paul@codesourcery.com>
4972 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4973 hardware floating point.
4975 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4977 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4980 2006-04-21 Nick Clifton <nickc@redhat.com>
4982 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4985 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4988 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4989 C++ lang type in traceback table for Objective-C++.
4991 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4993 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4995 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4997 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5000 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5001 were errors. Remove check for erroneous objects.
5003 2006-04-20 Jeff Law <law@redhat.com>
5005 PR tree-optimization/26854
5006 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5007 checking for zero or one use.
5008 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5009 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5010 * tree-ssa-reassoc.c (negate_value): Similarly.
5011 (reassociate_bb): Similarly.
5013 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5015 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5016 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5017 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5019 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5021 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5022 fp regs if the last fp arg doesn't fit in regs.
5024 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5027 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5028 that the last insn has the REG_INC note.
5030 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5031 Nathan Sidwell <nathan@codesourcery.com>
5034 * stor-layout.c (update_alignment_for_field): Do not align
5036 (place_union_field): Place union field at the start of the union.
5037 (place_field): Move ERROR_MARK check later, and use the current
5038 allocation position to maintain monotonicity.
5040 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5042 * dominance.c: Include timevar.h.
5043 (calculate_dominance_info): Use TV_DOMINANCE.
5044 * timevar.def (TV_DOMINANCE): New timevar.
5045 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5047 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5049 PR rtl-optimization/14261
5050 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5051 move would be an INSV insn.
5052 (noce_process_if_block): Don't optimize if the destination is a
5053 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5055 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5057 * config/s390/s390.md: Add comments with the instructions emitted
5058 by an insn pattern if macros are used.
5060 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5062 PR rtl-optimization/26026
5063 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5064 is a known power of two shifted left a variable amount.
5066 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5068 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5069 to hash table twice when the debug_str section has SECTION_MERGE.
5071 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5073 * config/soft-fp: New directory. From glibc.
5074 * config/soft-fp/t-softfp: New.
5075 * config/soft-fp/README: New.
5076 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5077 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5078 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5079 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5080 * config.gcc: Use rs6000/t-fprules-fpbit or
5081 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5083 * config/rs6000/sfp-machine.h: New. Based on glibc.
5084 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5086 * config/rs6000/t-fprules: Remove fp-bit rules.
5087 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5088 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5089 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5090 (softfp_wrap_start, softfp_wrap_end): New.
5092 2006-04-18 DJ Delorie <dj@redhat.com>
5094 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5096 2006-04-18 Devang Patel <dpatel@apple.com>
5098 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5100 2006-04-18 Nick Clifton <nickc@redhat.com>
5102 * config/sh/t-symbian: Add rule to build sh-c.o
5103 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5104 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5105 (sh_symbian_encode_section_info): Likewise.
5107 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5109 * builtins.c (expand_builtin_strcmp): Cover label definition of
5110 do_libcall with HAVE_cmpstrnsi.
5112 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5114 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5116 * function.h (temp_slot_p): New.
5117 (function): Change the type of x_used_temp_slots to
5118 VEC(temp_slot_p,gc) *.
5120 2006-04-18 Nick Clifton <nickc@redhat.com>
5122 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5123 flag_strength_reduce.
5125 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5127 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5131 Partial revert of revision 112637
5132 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5133 Dale Johannesen <dalej@apple.com>
5136 * regclass.c (struct reg_pref): Update documentation.
5137 (regclass): Set prefclass to NO_REGS if memory is the best option.
5138 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5140 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5142 PR tree-optimization/26821
5143 * tree-ssa-math-opts.c (get_constant_one): New.
5144 (insert_reciprocals): Use it.
5146 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5148 * dwarf2out.c (free_AT): Delete.
5149 (remove_AT): Update string ref counts.
5150 (remove_child_TAG): Don't call free_die.
5152 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5153 or DW_TAG_GNU_EINCL.
5154 (prune_unused_types_walk_attribs): Reset string refcounts.
5155 (prune_unused_types_update_strings): New.
5156 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5157 call free_die. Do call prune_unused_types_update_strings.
5158 (prune_unused_types): Empty debug_str_hash.
5160 2006-04-17 Roger Sayle <roger@eyesopen.com>
5162 * expr.c (expand_assignment): Optimize away no-op moves where the
5163 source and destination are equal and have no side-effects.
5165 2006-04-17 Richard Guenther <rguenther@suse.de>
5168 * reload.c (push_reload): Guard calls to get_secondary_mem
5171 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5173 * alias.c (reg_base_value, old_reg_base_value): Change the
5174 type to VEC(rtx,gc) *.
5175 (REG_BASE_VALUE, find_base_value, record_set,
5176 init_alias_analysis): Use VEC instead of VARRAY.
5178 * alias.c (alias_sets): Change the type to
5179 VEC(alias_set_entry,gc) *.
5180 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5181 VEC instead of VARRAY.
5182 (last_alias_set): Remove.
5184 * cgraph.h (cgraph_edge_p): New.
5185 Update the prototype of cgraph_function_versioning.
5186 * cgraphunit.c (cgraph_copy_node_for_versioning,
5187 cgraph_function_versioning): Use VEC instead of VARRAY.
5188 * ipa-cp.c (ipcp_insert_stage): Likewise.
5190 2006-04-16 Roger Sayle <roger@eyesopen.com>
5193 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5194 "A op B" or "A op C", we may need to convert A to the type of B and C.
5196 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5198 * target.h (struct gcc_target): Add mode_rep_extended.
5199 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5200 (init_num_sign_bit_copies_in_rep): Initialize it using
5202 (truncate_to_mode): Use it.
5203 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5204 * targhooks.h (default_mode_rep_extended): Declare it.
5205 * targhooks.c (default_mode_rep_extended): Define it.
5206 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5207 default_mode_rep_extended.
5208 (TARGET_INITIALIZER): Include it.
5209 * doc/tm.texi (Misc): Document it.
5210 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5211 (mips_truncated_to_mode): New function.
5213 2006-04-16 Roger Sayle <roger@eyesopen.com>
5216 * expr.c (compress_float_constant): Copy the narrow constant into
5217 a new pseudo before extending it to its final width.
5219 2006-04-16 Roger Sayle <roger@eyesopen.com>
5220 Andrew Pinski <pinskia@gcc.gnu.org>
5221 Dale Johannesen <dalej@apple.com>
5224 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5225 special case code to implement V8HImode and V16QImode with SSE2.
5227 2006-04-15 Roger Sayle <roger@eyesopen.com>
5229 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5230 trees are constructed with a suitable tree type.
5232 2006-04-15 Roger Sayle <roger@eyesopen.com>
5234 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5235 (integer_onep): Likewise.
5236 (integer_all_onesp): Likewise.
5237 (integer_pow2p): Likewise.
5238 (integer_nonzerop): Likewise.
5239 (real_zerop): Likewise.
5240 (real_onep): Likewise.
5241 (real_twop): Likewise.
5242 (real_minus_onep): Likewise.
5243 (int_size_in_bytes): Likewise.
5244 (host_integerp): Likewise.
5246 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5248 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5249 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5250 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5252 * tree-ssa-structalias.h (alias_info): Remove num_references.
5254 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5256 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5257 (output_bvb patterns): Likewise.
5258 * pa.c (output_bb): Use 'bb' insn for long branch case.
5259 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5260 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5261 1. Correct length operand for alternatives 1 and 2.
5262 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5263 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5265 2006-04-14 Roger Sayle <roger@eyesopen.com>
5267 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5268 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5269 were accidentally reverted by r112959.
5271 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5274 * except.h (eh_region_outermost): New prototype.
5275 * except.c (eh_region_outermost): New function.
5276 * tree-cfg.c (find_outermost_region_in_block): Use it.
5278 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5280 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5282 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5283 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5284 (init_reload, reload): Use VEC instead of VARRAY.
5285 * reload.h: Update the prototype for
5286 reg_equiv_memory_loc_varray.
5288 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5289 Eric Botcazou <ebotcazou@libertysurf.fr>
5291 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5294 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5297 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5298 to expand fallback builtin function call.
5300 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5303 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5304 and emit libcall here in case the builtin fails.
5305 (expand_builtin_strcmp): Always emit the libcall here on failure.
5307 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5309 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5310 * flow.c (reg_n_info): Change the type to
5311 VEC(reg_info_p,heap) *.
5312 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5314 * regs.h (reg_info_p): New.
5315 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5316 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5317 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5320 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5322 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5324 * params.h (MAX_SCHED_READY_INSNS): New macro.
5325 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5326 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5327 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5328 the ready list for 1 cycle during the first scheduling pass.
5329 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5331 2006-04-13 Richard Henderson <rth@redhat.com>
5334 * gimple-low.c (lower_omp_directive): Remove dead code.
5335 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5336 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5337 * omp-low.c (struct omp_region): Move to tree-flow.h.
5338 (root_omp_region): Export.
5339 (omp_regions, lookup_omp_region): Remove.
5340 (determine_parallel_type): Update for struct omp_region changes.
5341 (dump_omp_region): Dump regions with block numbers.
5342 (new_omp_region): Take type and block instead of stmt; malloc
5344 (free_omp_region_1, free_omp_regions): New.
5345 (expand_parallel_call): Take entry_stmt as argument; update for
5346 changes to omp_region.
5347 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5348 (remove_exit_barriers): New.
5349 (expand_omp_parallel): Update for struct omp_region changes.
5350 (expand_omp_synch): Likewise.
5351 (expand_omp): Likewise.
5352 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5353 (expand_omp_for_static_chunk): Likewise.
5354 (expand_omp_for): Likewise.
5355 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5356 (expand_omp_sections): Similarly, with GOMP_sections_end.
5357 (expand_omp_single): New.
5358 (build_omp_regions_1): Update for OMP_CONTINUE.
5359 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5360 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5361 OMP_SECTIONS_SECTIONS.
5362 (lower_omp_single_simple): Don't emit barrier here.
5363 (lower_omp_single_copy): Likewise.
5364 (lower_omp_single): Fix bindings, and lower to straightline now.
5365 (lower_omp_master, lower_omp_ordered): Likewise.
5366 (lower_omp_critical): Likewise.
5367 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5368 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5369 omp edges, free it afterward.
5370 (make_omp_sections_edges): Remove.
5371 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5372 (move_stmt_r): Handle OMP_CONTINUE.
5373 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5374 statement pointers to basic blocks. Add type member.
5375 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5376 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5377 * tree-inline.c (estimate_num_insns_1): Likewise.
5378 * tree-pretty-print.c (dump_generic_node): Likewise.
5379 * tree-ssa-operands.c (get_expr_operands): Likewise.
5380 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5381 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5382 (OMP_CONTINUE): New.
5383 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5384 (OMP_SECTIONS_SECTIONS): Remove.
5385 (OMP_SECTION_LAST): New.
5386 (OMP_RETURN_NOWAIT): New.
5388 2006-04-13 Roger Sayle <roger@eyesopen.com>
5390 * fold-const.c (native_encode_vector, native_interpret_real):
5391 Correct obvious mistakes in the previous check-in.
5393 2006-04-13 Roger Sayle <roger@eyesopen.com>
5395 * fold-const.c (native_encode_expr): New function to encode
5396 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5397 or VECTOR_CST into a specified buffer.
5398 (native_encode_int): New function.
5399 (native_encode_real): New function.
5400 (native_encode_complex): New function.
5401 (native_encode_vector): New function.
5402 (native_interpret_expr): Inverse of native_encode_expr to convert
5403 a target representation into an INTEGER_CST, REAL_CST etc...
5404 (native_interpret_int): New function.
5405 (native_interpret_real): New function.
5406 (native_interpret_complex): New function.
5407 (native_interpret_vector): New function.
5408 (fold_view_convert_expr): New function to constant fold/evaluate
5409 a VIEW_CONVERT_EXPR of a suitable constant expression.
5410 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5411 Change call of build1 to fold_build1 when constructing a
5414 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5415 Ulrich Weigand <uweigand@de.ibm.com>
5418 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5421 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5424 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5425 optimize to lo_sum for DFmode if !TARGET_FPRS.
5427 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5429 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5430 delete_alias_info, compute_flow_sensitive_aliasing,
5431 group_aliases): Use VEC instead of VARRAY.
5432 * tree-ssa-structalias.c (update_alias_info): Likewise.
5433 * tree-ssa-structalias.h (alias_info): Change the type of
5434 processed_ptrs to VEC(tree,heap) *.
5436 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5439 * config/sh/lib1funcs.h: New file, broken out of:
5440 * config/sh/lib1funcs.asm.
5441 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5443 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5444 * config/sh/lib1funcs-Os-4-200.asm: New file.
5445 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5446 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5447 (EXTRA_MULTILIB_PARTS): Include it.
5448 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5449 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5450 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5451 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5454 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5456 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5457 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5458 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5460 * tree-ssa-live.h: Include vecprim.h.
5461 (tree_partition_associator_d): Change the type of
5462 first_partition to VEC(int,heap) *.
5463 (tpa_first_partition): Use VEC instead of VARRAY.
5465 * Makefile.in (GTFILES): Move functions.h after tree.h.
5466 * function.c (reset_block_changes, record_block_change,
5467 check_block_change, free_block_changes): Use VEC instead of
5469 * function.h (function): Change the type of
5470 ib_boundaries_block to VEC(tree,gc) *.
5471 * tree-inline.c (copy_cfg_body): Initialize
5472 ib_boundaries_block to NULL instead of (varray_type) 0.
5474 2006-04-12 Roger Sayle <roger@eyesopen.com>
5476 * expr.c (emit_group_store): Correct operand order in call to
5477 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5478 a SUBREG_BYTE of zero.
5480 2006-04-12 Richard Guenther <rguenther@suse.de>
5482 * profile.c (compute_branch_probabilities): Remove code
5483 encapsulated in !ir_type (), which are remanents of the
5484 removed RTL profiling code.
5485 * rtl-profile.c: Remove.
5487 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5489 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5490 magic NULL_RTX comment.
5491 (function_arg): Store entire fp arg to mem if any part should go
5493 (rs6000_arg_partial_bytes): Adjust for above change.
5495 2006-04-11 Roger Sayle <roger@eyesopen.com>
5497 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5498 if it hasn't been initialized by dwarf2out_init.
5500 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5502 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5503 symbolic constants in branch patterns.
5505 2006-04-11 Roger Sayle <roger@eyesopen.com>
5507 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5509 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5511 PR rtl-optimization/27073
5512 * gcse.c (try_replace_reg): Revert last change. Continue to search
5513 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5516 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5518 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5519 aggregate types other than record and union types.
5520 (function_arg): Likewise.
5521 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5523 (function_value): In 64-bit mode, return objects that require it
5526 2006-04-11 Roger Sayle <roger@eyesopen.com>
5528 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5530 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5532 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5534 2006-04-03 Jeff Law <law@redhat.com>
5537 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5538 alias information too.
5540 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5542 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5544 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5547 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5548 (premark_used_types_helper): New.
5549 (premark_used_types): New.
5550 (gen_subprogram_die): Call premark_used_types.
5551 (prune_unused_types_walk): Do not prune perennial dies.
5552 * function.c (used_types_insert): New.
5553 * function.h (struct function): Add used_types_hash field.
5554 (used_types_insert): Add prototype.
5555 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5556 * c-parser.c (c_parser_cast_expression): Save casted types in used
5559 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5562 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5563 rs6000_explicit_options.float_gprs.
5565 2006-04-10 Roger Sayle <roger@eyesopen.com>
5567 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5568 from ix86_expand_vector_init_low_nonzero. Take an additional
5569 one_var argument indicating which element is non-zero. Support
5570 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5571 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5572 with one_var instead of ix86_expand_vector_init_low_nonzero.
5574 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5576 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5577 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5578 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5579 build/genextract.o): Depend on vecprim.h.
5580 * cfglayout.c, df-problems.c, function.c, genextract.c,
5581 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5582 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5586 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5588 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5589 Declare VECs of this type.
5590 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5591 (remove_children): Delete.
5592 (add_dwarf_attr): Use VEC routines.
5593 (add_AT_flag): Update for changes to add_dwarf_attr.
5594 (add_AT_int): Likewise.
5595 (add_AT_unsigned): Likewise.
5596 (add_AT_long_long): Likewise.
5597 (add_AT_vec): Likewise.
5598 (add_AT_string): Likewise.
5599 (add_AT_die_ref): Likewise.
5600 (add_AT_fde_ref): Likewise.
5601 (add_AT_loc): Likewise.
5602 (add_AT_loc_list): Likewise.
5603 (add_AT_addr): Likewise.
5604 (add_AT_lbl_id): Likewise.
5605 (add_AT_lineptr): Likewise.
5606 (add_AT_macptr): Likewise.
5607 (add_AT_offset): Likewise.
5608 (add_AT_range_list): Likewise.
5609 (get_AT): Use VEC_iterate.
5610 (remove_AT): Use VEC_ordered_remove.
5611 (free_die): Fold remove_children into here; have it use VEC_iterate.
5612 (print_die): Use VEC_iterate on attrs.
5613 (reverse_die_lists): Don't reverse attr lists.
5614 (die_checksum): Use VEC_iterate on attrs.
5615 (same_die_p): Likewise.
5616 (output_location_lists): Likewise.
5617 (build_abbrev_table): Likewise.
5618 (size_of_die): Likewise.
5619 (unmark_all_dies): Likewise.
5620 (output_abbrev_section): Likewise.
5621 (output_die): Likewise.
5622 (prune_unused_types_walk_attribs): Likewise.
5624 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5626 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5628 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5631 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5633 2006-04-09 Roger Sayle <roger@eyesopen.com>
5635 * expr.c (store_constructor): Don't bother clearing target if
5636 we're about to assign a vector to it using vec_init_optab.
5638 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5640 * tree-ssa-alias.c (lhs_may_store_to): New function.
5641 (recalculate_used_alone): Handle LHS of calls.
5643 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5647 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5648 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5649 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5650 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5651 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5652 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5653 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5654 stubs. Add ".align 8" directives before all ".dword" directives.
5655 (GTHREAD_USE_WEAK): Revise comment.
5656 (TARGET_ATTRIBUTE_WEAK): Define.
5657 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5658 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5659 * stublib.c: New file.
5664 * pa.md (cbranch patterns): Revise arguments used in calls to
5665 output_cbranch, output_bb and output_bvd. Add long branch length
5667 (fbranch patterns): Handle long branches.
5668 (jump): Revise length check. Revise arguments for output_lbranch call.
5669 Add long branch length attributes.
5670 (decrement_and_branch_until_zero): Add long branch length attributes.
5671 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5672 Likewise. Revise arguments for output_parallel_addb and
5673 output_parallel_movb calls.
5674 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5675 output_parallel_movb and output_parallel_addb): Update prototypes.
5676 * pa.c (output_cbranch): Revise arguments. Correct handling of
5677 nullification in long branches.
5678 (output_lbranch): Add new argument to control extraction of delay
5680 (output_bb): Handle long branches.
5681 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5682 output_parallel_addb): Likewise.
5684 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5686 PR rtl-optimization/27073
5687 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5690 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5692 * tree.h (tree_memory_tag): Add old_used_alone.
5693 (SMT_OLD_USED_ALONE): New macro.
5694 * tree-ssa-alias.c (recalculate_used_alone): Stop
5695 marking things for renaming unnecessarily.
5697 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5699 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5700 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5701 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5702 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5703 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5704 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5705 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5706 spelling convensions.
5707 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5708 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5709 typos. Follow spelling conventions.
5711 2006-04-07 DJ Delorie <dj@redhat.com>
5713 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5714 passed on the stack.
5715 (m32c_init_cumulative_args): When a function returns a structure,
5716 always pass the pointer to that return area on the stack.
5717 (m32c_function_arg_advance): Don't increment the parameter number
5718 if we're processing the returned structure pointer.
5719 (pushm_info): Reverse order of registers.
5721 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5723 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5724 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5725 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5726 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5728 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5729 chrec_fold_multiply): Same.
5730 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5731 force_expr_to_var_cost): Same.
5732 * tree-mudflap.c (mf_xform_derefs_1): Same.
5733 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5735 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5737 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5738 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5741 2006-04-07 Jan Hubicka <jh@suse.cz>
5743 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5745 2006-04-07 Richard Guenther <rguenther@suse.de>
5747 PR tree-optimization/26135
5748 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5749 loads for store copy-prop.
5750 (copy_prop_visit_stmt): Likewise.
5752 2006-04-05 Robert Millan <robertmh@gnu.org>
5754 * config/i386/linux.h: Add a comment to mark macros that are
5755 being overriden in config/k*bsd-gnu.h.
5756 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5758 * config/knetbsd-gnu.h: Ditto.
5760 2006-04-06 Jan Hubicka <jh@suse.cz>
5764 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5767 2006-04-06 Mike Stump <mrs@apple.com>
5769 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5770 for HAVE_nonlocal_goto to be consistent.
5771 (expand_builtin_nonlocal_goto): Likewise.
5772 (expand_builtin_strcmp): Use #ifdef instead of #if
5773 for HAVE_cmpstrnsi to be consistent.
5775 2006-04-05 DJ Delorie <dj@redhat.com>
5777 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5780 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5782 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5783 got-relative addressing for anything but SImode.
5785 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5786 even if the calling function doesn't modify them.
5788 2006-04-05 Richard Guenther <rguenther@suse.de>
5790 PR tree-optimization/26919
5791 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5792 to cgraph_estimate_size_after_inlining.
5794 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5796 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5798 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5800 PR tree-optimization/26996
5801 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5802 VECTOR_TYPE variables.
5804 2006-04-05 Richard Guenther <rguenther@suse.de>
5806 PR tree-optimization/26763
5807 * fold-const.c (fold_comparison): Move folding of
5808 PTR + CST CMP PTR + CST ...
5809 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5811 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5813 * doc/install.texi (Prerequisites): Refine some wording on
5814 bootstrapping and ksh.
5815 Move the version numbers of DejaGnu here from the testing section
5816 and fix casing of names.
5817 Fix markup and clarify wording for autogen requirements.
5818 Refer to GCJ instead of just java.
5819 Refer to SVN instead of CVS.
5820 Describe diffutils as useful instead of necessary.
5821 (Downloading the source): Refer to SVN instead of CVS.
5822 Adjust a link to our web site accordingly.
5823 (Configuration): Fix casing of Bison.
5824 (Building): Refer to SVN instead of CVS.
5825 Fix a sentence on the use of Bison and remove duplicate (and
5826 incorrect) version number of Bison requirement.
5827 Remove one redundant list of packages needed for building.
5828 (Specific): Avoid reference to CVS.
5830 2006-04-04 Eric Christopher <echristo@apple.com>
5832 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5833 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5834 (rs6000_handle_struct_attribute): New.
5835 (rs6000_ms_bitfield_layout_p): Ditto.
5837 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5839 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5840 NULL for dso parameter to atexit_common.
5842 2006-04-04 Eric Christopher <echristo@apple.com>
5844 * config/i386/i386.c (machopic_output_stub): Output \t
5845 between instructions and operands.
5847 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5849 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5850 satisfies_constraint_[IL] to explicit tests on value.
5852 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5854 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5855 set_nb_iterations_in_loop): Use build_int_cst instead of
5857 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5858 build_int_cst instead of convert.
5860 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5862 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5863 new value 2 for incoming.
5864 * function.c (expand_function_start): Call struct_value_rtx
5866 * config/sparc/sparc.md: Comment updated_return.
5867 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5868 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5869 struct return if sparc_std_struct_return and incoming is 2.
5870 (print_operand): Do not adjust return if
5871 sparc_std_struct_return.
5873 2006-04-04 Roger Sayle <roger@eyesopen.com>
5875 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5876 convert in the middle-end.
5877 * expr.c (store_expr, store_constructor, get_inner_reference,
5878 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5880 * tree.c (build_range_type): Likewise.
5882 2006-04-04 Tom Tromey <tromey@redhat.com>
5884 * doc/install.texi (Prerequisites): Mention jar.
5886 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5888 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5891 2006-04-04 Matthias Klose <doko@debian.org>
5893 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5894 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5897 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5899 * doc/extend.texi (Function Attributes): Rewrite visibility
5900 attribute documentation.
5901 * doc/invoke.texi (C++ Dialect Options): Rewrite
5902 -fvisibility-inlines-hidden documentation to describe something
5903 entirely different, although in practise compatible.
5904 (Code Gen Options): Warn about system headers in -fvisibility=
5907 * doc/extend.texi (Other Builtins): Document that
5908 __builtin_nan is a compile-time constant only when its argument
5911 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5913 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5914 trying to remove TRUNCATE check if all bits outside the new mode
5915 are identical to the sign bit.
5917 2006-04-03 Jeff Law <law@redhat.com>
5919 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5920 and operand scanning in some common cases.
5922 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5923 Dale Johannesen <dalej@apple.com>
5926 * regclass.c (struct reg_pref): Update documentation.
5927 (regclass): Set prefclass to NO_REGS if memory is the best option.
5928 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5929 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5930 into account. For non-registers, equate an empty preferred
5931 reload class to a `!' in the constraint; move the if clause to
5932 do so after those that reject the insn.
5933 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5935 (find_dummy_reload): Likewise.
5936 * doc/tm.texi (Register Classes): Document what it means
5937 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5938 * config/i386/i386.c (ix86_preferred_reload_class): Force
5939 using SSE registers (and return NO_REGS for floating-point
5940 constants) if math is done with SSE.
5941 (ix86_preferred_output_reload_class): New.
5942 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5943 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5944 * config/i386/i386.md: Remove # register preferences.
5946 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5949 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5950 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5951 the type of nb_iter.
5952 (instantiate_parameters_1): Convert the operands before calling
5953 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5954 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5956 2006-04-02 Roger Sayle <roger@eyesopen.com>
5958 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5959 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5961 * dojump.c (do_jump): Likewise.
5962 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5963 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5964 gimplify_boolean_expr): Likewise.
5965 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5966 * varasm.c (array_size_for_constructor): Likewise.
5967 * tree-object-size.c (compute_object_offset): Likewise.
5969 2006-04-02 Roger Sayle <roger@eyesopen.com>
5972 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5973 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5975 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5977 PR tree-optimization/26939
5978 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5980 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5982 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5983 at_stmt. Convert the type of operands before calling
5984 build_polynomial_chrec.
5985 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5987 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5988 (instantiate_parameters_1): Convert the type of operands before calling
5989 build_polynomial_chrec.
5990 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5991 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5992 reset_evolution_in_loop): Insert asserts to check the types of the
5994 (chrec_type): Moved...
5995 (eq_evolutions_p): Use operand_equal_p.
5996 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5997 the types of the operands.
5998 (chrec_type): ...here.
5999 * tree-data-ref.c (create_data_ref): Convert the operands before
6000 calling chrec_replace_initial_condition.
6001 (same_access_functions, analyze_subscript_affine_affine,
6002 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6003 (compute_subscript_distance, analyze_ziv_subscript,
6004 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6005 analyze_miv_subscript): Convert the operands before calling
6006 chrec_fold_minus or chrec_fold_plus.
6008 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6010 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6011 the dependence_relations vector.
6012 (compute_data_dependences_for_loop): Adjust call to
6013 compute_all_dependences.
6015 2006-04-01 Roger Sayle <roger@eyesopen.com>
6016 Richard Henderson <rth@redhat.com>
6018 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6019 gimple_boolify on the condition before calling gimplify_expr.
6021 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6023 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6024 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6025 the frame size. Update to use the new macros.
6026 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6027 * config/xtensa/ieee754-df.S: Likewise.
6029 2006-03-31 Richard Henderson <rth@redhat.com>
6031 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6032 (make_edges): ... here. Control fallthru creation with a local
6033 variable. Do not play with fake edges.
6034 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6035 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6038 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6040 * dwarf2.h (DW64_CIE_ID): Define.
6041 * dwarf2out.c (DWARF_CIE_ID): Define.
6042 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6043 length header. Use DWARF_CIE_ID.
6044 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6045 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6047 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6049 * config/sh/linux-atomic.asm: New file.
6050 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6052 2006-03-31 DJ Delorie <dj@redhat.com>
6054 * config/m32c/cond.md: Set condition flags properly throughout.
6055 * config/m32c/minmax.md: Likewise.
6056 * config/m32c/prologue.md: Likewise.
6057 * config/m32c/bitops.md: Likewise.
6058 * config/m32c/muldiv.md: Likewise.
6059 * config/m32c/mov.md: Likewise.
6060 * config/m32c/addsub.md: Likewise.
6061 * config/m32c/m32c.md: Likewise.
6062 * config/m32c/jump.md: Likewise.
6063 * config/m32c/shift.md: Likewise.
6065 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6066 conditionally output the pattern for this.
6067 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6068 (m32c_compare_redundant): New.
6069 (m32c_output_compare): New.
6070 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6072 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6073 dest, not src. Allow other 4-byte modes.
6075 2006-03-30 Denis Chertykov <denisc@overta.ru>
6077 * doc/md.texi: Refer to avr/constraints.md instead of
6080 2006-03-30 Roger Sayle <roger@eyesopen.com>
6082 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6083 signed vs. unsigned comparison failures on some hosts.
6085 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6088 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6089 change to FLOAT_REGS.
6091 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6092 (rs6000_override_options): Use it.
6093 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6094 only for -mabi=spe/no-spe and -mabi=altivec.
6096 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6098 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6101 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6103 * Makefile.in: Rename docdir to gcc_docdir.
6105 2006-03-30 Roger Sayle <roger@eyesopen.com>
6108 * expr.c (emit_group_store): Optimize group stores into a pseudo
6109 register by using a paradoxical subreg to initialize the destination
6110 if the first or last member of the group specifies a "low part".
6112 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6115 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6116 * target.h (struct gcc_target.speculate_insn): Change type of the
6117 second parameter to 'int'.
6118 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6119 the second operand of the DEPS_LIST.
6120 (copy_DEPS_LIST_list): Update reference to the second operand of the
6122 * rtl.h (alloc_DEPS_LIST): Update signature.
6123 * sched-int.h (ds_t): Change typedef to 'int'.
6124 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6126 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6128 * haifa-sched.c (try_ready): Change condition to restore
6129 non-speculative pattern of the instruction.
6130 (process_insn_depend_be_in_spec): Code to keep probability of the
6131 speculative dependence non-decreasing.
6133 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6135 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6136 (single_move_for_movmem): ... this. Also change all uses.
6137 (bfin_expand_strmov): Renamed to...
6138 (bfin_expand_movmem): ... this. Also change all uses.
6139 * config/bfin/bfin.md (movstrsi): Renamed to...
6140 (movstrsi): ...this.
6142 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6144 PR tree-optimization/26830
6146 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6147 (copy_prop_visit_stmt): Remove write-only variable ann.
6148 (init_copy_prop): Check variable loop depth here. Do not simulate
6149 memory-tag and virtual operand PHIs except for store copy prop.
6151 2006-03-30 Richard Guenther <rguenther@suse.de>
6153 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6154 variants with double arguments.
6156 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6158 * genpreds.c (write_tm_constrs_h): Delete variable p.
6159 * genconditions.c (write_header): Add tm-constrs.h to included
6161 * genpeep.c (main): Add toplev.h to included headers.
6162 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6163 (build/genpeep.o): Add toplev.h dependency.
6164 * config/rs6000/constraints.md: Add "W" constraint.
6166 2006-03-29 Roger Sayle <roger@eyesopen.com>
6168 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6169 sizes by correctly testing whether the size fits a host integer.
6170 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6171 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6172 SImode range for the default sizetype and bitsizetype.
6174 2006-03-29 Roger Sayle <roger@eyesopen.com>
6176 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6177 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6178 quickly if the argument is already of the correct type.
6179 Call fold_build1 instead of build1. Tidy up blank lines.
6181 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6183 * genemit.c (main): Add tm-constrs.h to included headers.
6184 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6185 * genpeep.c (main): Add tm-constrs.h to included headers.
6186 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6187 (write_tm_constrs_h): this and write complete file.
6188 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6189 (write_insn_preds_c): Add tm-constrs.h to included headers.
6190 (gen_constrs): New variable.
6191 (parse_option): Parse "-c".
6192 (main): Invoke write_tm_constrs_h.
6193 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6194 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6195 (object_out_file): Add tm-constrs.h dependency.
6196 (insn-emit.o): Same.
6197 (insn-output.o): Same.
6198 (insn-peep.o): Same.
6199 (insn-preds.o): Same.
6200 (insn-recog.o): Same.
6201 (tm-constsr.h): New target.
6202 (s-constrs-h): New target.
6204 * config/rs6000/constraints.md: New file.
6205 * config/rs6000/rs6000.c: Include tm-constrs.h.
6206 (num_insn_constant_wide): Convert to satisfies_constraint.
6207 (rs6000_rtx_costs): Convert to satisfies_constraint.
6208 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6209 (CONST_OK_FOR_LETTER_P): Delete.
6210 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6211 (EXTRA_CONSTRAINT): Delete.
6212 (EXTRA_MEMORY_CONSTRAINT): Delete.
6213 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6214 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6215 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6216 satisfies_constraint.
6218 * config/i386/i386.c: Include tm-constrs.h.
6220 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6222 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6223 * tree-data-ref.c (find_data_references_in_loop,
6224 compute_data_dependences_for_loop): Use pointers to VEC.
6225 (analyze_all_data_dependences): Adjust calls.
6226 * tree-data-ref.h (find_data_references_in_loop,
6227 compute_data_dependences_for_loop): Adjust declarations.
6228 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6229 compute_data_dependences_for_loop.
6231 2006-03-29 Paul Brook <paul@codesourcery.com>
6233 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6236 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6238 PR tree-optimization/26859
6239 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6241 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6242 for the step after fold_convert.
6244 2006-03-29 Paul Brook <paul@codesourcery.com>
6246 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6247 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6249 2006-03-29 Paul Brook <paul@codesourcery.com>
6252 * targhooks.c (default_narrow_bitfield): New fuction.
6253 * targhooks.h (default_narrow_bitfield): add prototype.
6254 * target.h (gcc_target): Add narrow_volatile_bitfield.
6255 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6256 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6257 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6258 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6260 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6262 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6264 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6265 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6266 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6267 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6268 (s390_function_arg_float): Allow SDmode and DDmode values to be
6269 passed in floating point registers.
6270 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6271 check with SCALAR_FLOAT_MODE_P.
6272 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6274 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6276 PR tree-optimization/25985
6277 * tree-ssa-loop-niter.c (number_of_iterations_le,
6278 number_of_iterations_ne): Make comments more precise.
6279 (number_of_iterations_cond): Add only_exit argument. Use the
6280 fact that signed variables do not overflow only when only_exit
6282 (loop_only_exit_p): New.
6283 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6284 number_of_iterations_cond.
6286 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6288 PR tree-optimization/26643
6289 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6292 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6294 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6295 (divsi3_i4_int): Likewise.
6297 2006-03-28 Roger Sayle <roger@eyesopen.com>
6299 * expr.c (emit_group_store): Only create a new pseudo reg if the
6300 quantity it needs to hold isn't already a suitable pseudo.
6302 2006-03-28 Jeff Law <law@redhat.com>
6304 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6305 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6307 2006-03-28 Roger Sayle <roger@eyesopen.com>
6309 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6310 the equivalent ~X & Y, and the symmetry related transformations.
6311 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6312 ~X & Y, and symmetry related transforms.
6314 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6316 Revert my 2006-03-27 patches.
6318 2006-03-28 Roger Sayle <roger@eyesopen.com>
6320 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6321 ~(T1)X, when T1 and T2 are integer types of the same precision
6322 and (T2)X isn't an extension.
6324 2006-03-28 Jeff Law <law@redhat.com>
6326 PR tree-optimization/26796
6327 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6328 need EH edge cleanups rather than purging them immediately.
6329 (eliminate_degenerate_phis): Handle queued EH cleanups.
6331 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6333 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6336 2006-03-27 Roger Sayle <roger@eyesopen.com>
6339 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6340 cast BIT_NOT_EXPR operand to the correct type.
6342 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6344 * tree-loop-linear.c: Don't include varray.h.
6345 (gather_interchange_stats, try_interchange_loops,
6346 linear_transform_loops): Use VEC instead of VARRAY.
6347 * lambda-mat.c: Don't include varray.h.
6348 * tree-chrec.c: Same.
6349 * lambda-trans.c: Same.
6350 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6351 VEC instead of VARRAY.
6352 * tree-vectorizer.h: Idem.
6353 * tree-data-ref.c (dump_data_references,
6354 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6355 initialize_data_dependence_relation, finalize_ddr_dependent,
6356 compute_all_dependences, find_data_references_in_loop,
6357 compute_data_dependences_for_loop, analyze_all_data_dependences,
6358 free_dependence_relation, free_dependence_relations,
6359 free_data_refs): Idem.
6360 * tree-data-ref.h (data_reference_p, subscript_p): New.
6361 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6362 VEC instead of VARRAY.
6363 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6364 (find_data_references_in_loop, compute_data_dependences_for_loop,
6365 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6366 dump_data_dependence_relations, free_dependence_relations,
6367 free_data_refs): Adjust declaration.
6368 (lambda_transform_legal_p): Move declaration here...
6369 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6370 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6371 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6372 vect_analyze_data_refs): Use VEC instead of VARRAY.
6373 * lambda.h (lambda_transform_legal_p): ...from here.
6374 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6375 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6376 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6377 tree-chrec.o): Don't depend on VARRAY_H.
6379 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6381 * rtl.def (Copyright): Update date.
6382 (DEPS_LIST): Change type of the second operand to 'int'.
6383 * target.h (Copyright): Update date.
6384 (struct gcc_target.speculate_insn): Change type of the second parameter
6386 * lists.c (Copyright): Update date.
6387 (alloc_DEPS_LIST): Change signature. Update reference to the second
6388 operand of the DEPS_LIST.
6389 (copy_DEPS_LIST_list): Update reference to the second operand of the
6391 * rtl.h (Copyright): Update date.
6392 (alloc_DEPS_LIST): Update signature.
6393 * sched-int.h (Copyright): Update date.
6394 (ds_t): Change typedef to 'int'.
6395 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6397 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6399 * haifa-sched.c (Copyright): Update date.
6400 (try_ready): Change condition to restore non-speculative pattern
6402 (process_insn_depend_be_in_spec): Code to keep probability of the
6403 speculative dependence non-decreasing.
6405 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6407 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6408 shut up the compiler.
6410 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6412 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6413 to use lib prefix for target.
6414 ($(T)libic_invalidate_array_4-200.a): Likewise.
6415 ($(T)libic_invalidate_array_4a.a): Likewise.
6417 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6418 J"orn Rennecke <joern.rennecke@st.com>
6420 * superh.opt: New file.
6421 * sh.c (boardtype, osruntime): Remove.
6422 * superh.h (SUBTARGET_OPTIONS): Remove.
6423 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6425 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6426 arguments with ^ and/or [].
6428 * config.gcc (sh-*-*): Add quoting to account for quirk of
6430 Replace == with = in enable_incomplete_targets test.
6432 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6433 with MASK_LITTLE_ENDIAN.
6435 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6436 * config/sh/sh.opt: Added to some comments.
6437 * config/sh/superh.h: Removed some chaff.
6439 * config/sh/sh.opt: Add m4-[1234]00* options.
6440 * config/sh/sh.c (sh_handle_option): Likewise.
6441 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6442 (ic_invalidate_array_4-100.o): New rule.
6443 ($(T)libic_invalidate_array_4-100.a): Likewise.
6444 (ic_invalidate_array_4-200.o): Likewise.
6445 ($(T)libic_invalidate_array_4-200.a): Likewise.
6446 (ic_invalidate_array_4a.o): Likewise.
6447 ($(T)libic_invalidate_array_4a.a): Likewise.
6448 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6449 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6451 * config/sh/crt1.asm: Merged in profiling code.
6452 * config/sh/superh.h (STARTFILE_SPEC): Override.
6453 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6454 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6455 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6457 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6458 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6459 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6461 * sh.opt (mpretend-cmove): New option.
6462 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6463 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6464 (movsicc): Add TARGET_PRETEND_CMOVE code.
6466 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6468 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6469 s390_class_max_nregs): New function prototypes.
6470 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6471 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6472 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6473 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6475 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6477 * dwarf2out.c (add_location_or_const_value_attribute): Call
6478 tree_add_const_value_attribute if nothing else works.
6479 (reference_to_unused): New.
6480 (rtl_for_decl_init): Use reference_to_unused to decide whether
6481 to output an initializer.
6483 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6486 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6487 peephole removing spe frob_di_df_2.
6489 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6491 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6492 (subscript_dependence_tester_1): Declared.
6493 (print_dir_vectors, print_dist_vectors): New.
6494 (debug_data_dependence_relation): New.
6495 (dump_data_dependence_relation): Print more details.
6496 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6497 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6498 (save_dist_v, save_dir_v, add_outer_distances,
6499 build_classic_dist_vector_1): New.
6500 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6501 Don't test for lambda_vector_lexico_pos.
6502 (same_access_functions, add_multivariate_self_dist,
6503 add_other_self_distances, dir_from_dist): New.
6504 (build_classic_dir_vector): Replace implementation almost identical to
6505 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6507 (subscript_dependence_tester_1): New.
6508 (subscript_dependence_tester): Handle the lexicographically negative
6509 distance vectors by recomputing the dependence relation.
6510 (compute_affine_dependence): Remove parameter loop_nest_depth.
6511 (compute_self_dependence): Don't call compute_subscript_distance.
6512 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6513 Add a parameter for the loop_nest.
6514 (find_loop_nest_1, find_loop_nest): New.
6515 (compute_data_dependences_for_loop): Compute the loop nest, and give
6516 up if the nest is not well formed.
6517 * tree-data-ref.h (loop_p): New.
6518 (struct data_dependence_relation): Replace size_vect field with
6519 loop_nest, a vec of loops.
6520 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6521 (DDR_LOOP_NEST): New.
6522 (print_dir_vectors, print_dist_vectors,
6523 debug_data_dependence_relation): Declared.
6524 (index_in_loop_nest): New.
6525 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6526 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6529 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6531 * simplify-rtx.c (simplify_relational_operation): Call
6532 simplify_relational_operation_1 even if mode is VOIDmode.
6534 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6536 PR tree-optimization/26804
6537 * tree.h (DECL_CALL_CLOBBERED): New macro.
6538 (tree_decl_common): Add call_clobbered_flag.
6539 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6540 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6541 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6542 (mark_non_addressable): Ditto.
6543 * tree-ssa.c (verify_call_clobbered): New function.
6544 (verify_alias_info): Use it.
6545 * tree-pass.h (pass_reset_cc_flags): New prototype.
6546 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6547 (reset_cc_flags): New function.
6548 * passes.c (init_optimization_passes): Call reset_cc_flags after
6549 initializing referenced_vars.
6551 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6552 Roger Sayle <roger@eyesopen.com>
6555 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6556 to 1.0 for non-real operands. Implement A / A optimization for
6559 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6561 * config/i386/i386.c (size_cost): Correct the comment for
6562 cost of storing fp registers.
6563 (i386_cost): Likewise.
6564 (i486_cost): Likewise.
6565 (pentium_cost): Likewise.
6566 (pentiumpro_cost): Likewise.
6567 (k6_cost): Likewise.
6568 (athlon_cost): Likewise.
6569 (k8_cost): Likewise.
6570 (pentium4_cost): Likewise.
6571 (nocona_cost): Likewise.
6572 (generic64_cost): Likewise.
6573 (generic32_cost): Likewise.
6575 2006-03-24 Denis Chertykov <denisc@overta.ru>
6577 * config/avr/avr-protos.h (extra_constraint): Delete.
6578 (extra_constraint_Q): New declaration.
6579 * config/avr/constraints.md: New file.
6580 * config/avr/avr.md: Include it.
6581 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6582 (TMP_REGNO, ZERO_REGNO): Likewise.
6583 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6584 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6585 (extra_constraint): Delete.
6586 (extra_constraint_Q): Test for memory constraint 'Q'.
6587 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6588 (REG_CLASS_FROM_LETTER): Delete.
6589 (CONST_OK_FOR_LETTER_P): Delete.
6590 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6591 (EXTRA_CONSTRAINT): Delete.
6592 (TMP_REGNO): Delete.
6593 (ZERO_REGNO): Delete.
6595 2006-03-24 Jeff Law <law@redhat.com>
6597 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6598 directly. Call mark_new_vars_to_rename slightly earlier.
6600 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6602 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6604 (gen_compile_unit_die): Use new language types for Objective-C and
6606 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6607 DW_LANG_C_plus_plus.
6610 * config/t-darwin (crt3.o): Work around bug 26840.
6611 * config/darwin-crt3.c: Rewrite.
6612 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6614 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6616 * doc/invoke.texi: Document -femit-class-debug-always
6617 * common.opt: Add -femit-class-debug-always.
6619 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6621 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6622 index and base register.
6623 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6624 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6625 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6626 REGNO_OK_FOR_INDEX_P.
6627 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6629 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6630 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6631 REG_OK_FOR_BASE_P): Definitions removed.
6633 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6636 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6637 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6638 set yet or weren't marked as local yet.
6640 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6642 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6645 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6647 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6648 (rs6000_legitimate_small_data_p): Delete.
6649 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6650 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6651 and make static. Add forward declaration. Update uses.
6652 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6653 of offsettable_memref_p.
6654 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6655 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6657 2006-03-24 Jeff Law <law@redhat.com>
6659 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6660 around bug in immediate-use iterator.
6662 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6665 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6666 or __LITTLE_ENDIAN__.
6668 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6670 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6671 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6672 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6673 * config/sh/sh.opt (mdiv=): Amend description.
6674 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6675 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6676 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6677 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6678 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6679 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6680 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6681 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6682 TARGET_DIVIDE_CALL_FP.
6684 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6686 * haifa-sched.c (choose_ready): Fix type of the local variable.
6687 Move local variables. Add comment.
6688 (check_reg_live): Change signature. Make callable from debugger.
6689 * sched-int.h (check_reg_live): Update signature.
6690 * sched-ebb.c (check_reg_live): Update parameters.
6691 * sched-rgn.c (check_reg_live): Ditto.
6692 (region_head_or_leaf_p): Check pointer before dereferencing.
6693 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6694 before reload on optimization levels below 1.
6696 2006-03-23 Richard Henderson <rth@redhat.com>
6698 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6702 * config/alpha/predicates.md (local_symbolic_operand): Reject
6705 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6708 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6709 expressions which have overflowed constants.
6711 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6713 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6715 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6717 * cfgloopmanip.c (create_loop_notes): Removed.
6718 * final.c (final_scan_insn): Do not handle loop notes.
6719 * jump.c (squeeze_notes): Ditto.
6720 * cfglayout.c (skip_insns_after_block,
6721 duplicate_insn_chain): Ditto.
6722 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6724 * cfgloop.h (create_loop_notes): Declaration removed.
6726 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6728 * varasm.c (output_constant_pool): Restore fnname and fndecl
6730 (assemble_start_function): Adjust call accordingly.
6731 (assemble_end_function): Likewise.
6733 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6736 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6739 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6741 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6744 * system.h (ICE_EXIT_CODE): New macro.
6745 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6746 (diagnostic_action_after_output): Likewise.
6747 * gcc.c (fatal_ice): New function.
6748 (execute): Use it instead of fatal.
6749 (fancy_abort): Likewise.
6750 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6752 2006-03-22 Jeff Law <law@redhat.com>
6754 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6755 iv_analyze_result returning false.
6757 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6759 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6761 2006-03-22 Richard Henderson <rth@redhat.com>
6764 * except.c (duplicate_eh_regions_0): New.
6765 (duplicate_eh_region_1): Duplicate the children of the node as
6766 well as the node itself. Link them up properly.
6767 (duplicate_eh_region_2): Merge into ...
6768 (duplicate_eh_regions): ... here. Take copy_region argument, and
6769 copy only a sub-tree if asked. Simplify copying and fixup.
6770 (eh_region_outer_p): New.
6771 * except.h (duplicate_eh_regions): Update decl.
6772 (eh_region_outer_p): Declare.
6773 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6774 (lower_omp_master): Likewise.
6775 (lower_omp_ordered): Likewise.
6776 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6777 (move_stmt_r): Use it to remap labels. Handle recursion vs
6778 remap_decls_p properly.
6779 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6780 (find_outermost_region_in_block): New.
6781 (new_label_mapper): New.
6782 (move_sese_region_to_fn): Copy eh information to the new function
6784 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6786 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6789 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6791 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6792 into shared libraries.
6794 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6796 * doc/md.texi: Refer to i386/constraints.md instead of
6798 * config/i386/constraints.md: New file, extracted from...
6799 * config/i386/predicates.md: ...here.
6800 * config/i386/i386.md: Include constraints.md.
6802 2006-03-21 Jason Merrill <jason@redhat.com>
6804 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6807 * expr.c (init_block_move_fn): Force default visibility.
6808 (init_block_clear_fn): Likewise.
6809 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6810 * targhooks.c (default_external_stack_protect_fail): Likewise.
6812 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6814 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6815 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6816 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6817 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6818 (loadgp): Use mips_current_loadgp_style.
6819 (loadgp_noshared): New pattern.
6820 (sibcall_internal): Use MIPS_CALL.
6821 (sibcall_value_internal): Likewise.
6822 (sibcall_value_multiple_internal): Likewise.
6823 (call_internal): Likewise.
6824 (call_value_internal): Likewise.
6825 (call_value_multiple_internal): Likewise.
6826 (call_split): Use MIPS_CALL and add an 'S' constraint.
6827 (call_value_split): Likewise.
6828 (call_value_multiple_split): Likewise.
6829 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6830 (-mshared): New option.
6831 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6832 (mips_current_loadgp_style): Declare.
6833 * config/mips/mips.c (mips_classify_symbol): Avoid using
6834 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6835 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6836 TARGET_ABSOLUTE_ABICALLS.
6837 (override_options): Adjust comments. Improve the warning that is
6838 issued when -mabicalls and -G are used together.
6839 (mips_file_start): Remove comment.
6840 (mips_current_loadgp_style): New function.
6841 (mips_gnu_local_gp): New variable.
6842 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6844 (mips_output_function_prologue): Use mips_current_laodgp_style.
6845 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6846 the cprestore instruction.
6847 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6848 live for TARGET_ABSOLUTE_ABICALLS.
6849 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6850 (ASM_SPEC): Pass down -mshared and -mno-shared.
6851 (MIPS_CALL): New macro.
6852 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6854 * doc/invoke.texi (-mabicalls): Update documentation.
6855 (-mshared): Document.
6857 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6859 * config/ia64/unwind-hpux.c: New file.
6860 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6862 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6865 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6867 2006-03-21 Jeff Law <law@redhat.com>
6869 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6870 type conversions of a VR_VARYING source to a wider type.
6872 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6874 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6875 tm_file on Solaris 10 and later.
6876 (sparc64-*-solaris2*): Likewise.
6877 (sparc-*-solaris2*): Likewise.
6878 * config/sol26.h: Rename to config/sol2-6.h.
6879 * config/sol2-10.h: New file.
6881 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6884 * tree-ssa-pre.c (create_component_ref_by_pieces):
6887 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6890 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6891 return it immediately.
6893 2006-03-21 Michael Matz <matz@suse.de>
6895 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6897 (remove_arc, add_arc): Update num_out_arcs member.
6898 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6900 (cache_presence): New function.
6901 (compare_states_for_equiv): New function.
6902 (state_is_differed): Don't take number of outargs, adjust callers.
6903 Use new invariant for speeding up.
6904 (init_equiv_class): Create initial classes based on sorted
6906 (partition_equiv_class): Don't track out_arcs_num.
6907 (evaluate_equiv_classes): Call cache_presence on all states and
6910 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6912 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6913 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6914 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6915 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6917 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6918 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6919 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6920 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6921 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6923 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6924 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6925 (REGNO_REG_CLASS): ARGP is in PREGS.
6926 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6928 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6929 to deal with those addresses.
6930 * addresses.h: New file.
6931 * caller-save.c: Include "addresses.h".
6932 (init_caller_save): Use new base_reg_class function.
6933 * rtl-factoring.c: Include "addresses.h".
6934 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6935 * recog.c: Include "addresses.h".
6936 (preprocess_constraints): Use new base_reg_class function.
6937 * regrename.c: Include "addresses.h".
6938 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6939 functions. Keep track of a new var INDEX_CODE to compute valid
6941 (replace_oldest_value_addr): Likewise.
6942 (replace_oldest_value_mem): Use base_reg_class.
6943 * reload.c: Include "addresses.h".
6944 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6945 (find_reloads): Use new base_reg_class function.
6946 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6947 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6948 all callers and prototype changed.
6949 * reload1.c: Include "addresses.h".
6950 (maybe_fix_stack_asms): Use base_reg_class.
6951 * regclass.c: Include "addresses.h".
6952 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6953 (init_reg_autoinc): Use new base_reg_class function.
6954 (record_reg_classes): Likewise.
6955 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6956 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6957 Use new args to compute necessary class.
6959 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6960 regrename.o, rtl-factoring.o): Update dependencies.
6961 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6962 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6963 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6964 REG_OK_FOR_INDEX_P): Delete documentation.
6966 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6968 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6969 from V7 to V9 for Solaris 7 and above.
6971 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6973 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6974 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6975 argument pointers may not alias any other storage.
6976 * common.opt: Define option -fargument-noalias-anything.
6977 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6978 alias semantics is specified by flag_argument_noalias > 2.
6980 2006-03-20 Jeff Law <law@redhat.com>
6982 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6983 (pass_phi_only_cprop): Declare.
6984 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6986 * tree-ssa-dom.c (degenerate_phi_result): New function.
6987 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6988 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6989 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6990 (eliminate_degenerate_phis): Likewise.
6991 (pass_phi_only_cprop): New pass descriptor.
6992 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6993 support code. Callers updated.
6994 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6995 (store_copy_prop): Likewise.
6996 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6998 2006-03-20 Jason Merrill <jason@redhat.com>
7001 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7002 (push_visibility, pop_visibility): Likewise.
7003 * c-pragma.h: Declare them.
7005 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7007 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7009 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7010 parameter and use get_ebb_head_tail.
7011 (sh_md_init_global): Adjust uses of find_regmode_weight.
7013 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7015 * function.h (struct function) <x_tail_recursion_reentry>:
7016 Rename to x_stack_check_probe_note.
7017 (tail_recursion_reentry): Rename to stack_check_probe_note.
7018 * function.c: Replace tail_recursion_reentry with
7019 stack_check_probe_note everywhere.
7020 (expand_function_start): Only emit a note for
7021 stack_check_probe_note with -fstack-protect.
7022 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7024 * emit-rtl.c (remove_unnecessary_notes): Remove.
7025 (pass_remove_unnecessary_notes): Remove.
7026 * rtl.h (remove_unnecessary_notes): Remove prototype.
7027 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7028 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7029 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7031 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7034 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7035 (valid_in_set): Handle ARRAY_REF.
7036 Change "if min_variant or VH" to asserts.
7037 (create_component_ref_by_pieces): Handle ARRAY_REF.
7038 (create_expression_by_pieces): Likewise.
7039 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7041 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7043 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7044 is operand of switch, not str[0].
7046 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7048 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7049 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7051 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7053 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7054 end of insn_extra_address_constraint declaration.
7056 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7058 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7059 (no-sum-in-toc): Same.
7060 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7062 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7063 NO_FP_IN_TOC for -fPIC instead of mask.
7065 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7066 (BOOT_LDFLAGS): Delete.
7068 * config/rs6000/t-aix52: Same.
7070 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7071 (stmsi[345678]_power): New.
7073 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7075 * config/ia64/ia64.opt: Add empty line to end of file.
7077 2006-03-17 Richard Guenther <rguenther@suse.de>
7080 * builtins.c (get_pointer_alignment): For component style references
7081 adjust alignment to the component type alignment. Make sure
7082 to adjust alignment for component access of constants.
7084 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7086 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7089 2006-03-17 Paul Brook <paul@codesourcery.com>
7091 * doc/install.texi: Docuemnt --with-mode.
7092 * config.gcc: Add --with-mode for arm*-*-*.
7093 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7095 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7097 * sh.c (max_labelno_before_reorg): New variable.
7098 (sh_reorg): Initialize it.
7099 (find_barrier): Check max_labelno_before_reorg before using
7100 label_to_alignment. Take length of explicit alignment insns
7101 into account. When seeing a UNSPECV_CONST_END, return it.
7103 * sh.c (fixup_mova): Set mode of affected label to QImode.
7104 (untangle_mova): New function.
7105 (find_barrier): Use it. Check mode of label before decrementing
7107 (sh_reorg): Likewise.
7108 Set mode of all insns back to VOIDmode.
7110 * sh.c (MOVA_LABELREF): New macro.
7111 (mova_p, fixup_mova, sh_reorg): Use it.
7112 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7113 ADDR_DIFF_VEC matches mova.
7115 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7117 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7118 with ATTRIBUTE_UNUSED.
7120 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7122 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7123 pointer, instead of assuming it is possible to derive the
7124 correct args size from a call insn.
7126 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7128 * rtl.h (CONST_INT_P): Define.
7129 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7130 instead of GET_CODE(x) == CONST_INT.
7131 (vax_rtx_costs): Likewise.
7132 (vax_output_int_move): Likewise.
7133 (vax_output_int_add): Likewise.
7134 (legitimate_constant_address_p): Likewise.
7135 (index_term_p): Likewise.
7136 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7137 * config/vax/vax.md (and<mode>3): Likewise.
7138 (ashrsi3): Likewise.
7140 (movstricthi): Likewise.
7141 (movstrictqi): Likewise.
7142 (rotrsi3): Likewise.
7143 (five unnamed insns): Likewise.
7145 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7147 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7148 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7149 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7150 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7151 Pass to ASM_OUTPUT_DWARF_OFFSET.
7152 * dwarf2out.c (debug_frame_section): New.
7153 (output_call_frame_info): Use debug_frame_section. Pass it to
7154 dw2_asm_output_offset.
7155 (output_die): Pass appropriate section to dw2_asm_output_offset.
7156 (output_compilation_unit_header): Likewise.
7157 (output_pubnames): Likewise.
7158 (output_aranges): Likewise.
7159 (enum dw_val_class): Break dw_val_class_lbl_offset into
7160 dw_val_class_lineptr and dw_val_class_macptr.
7161 (add_AT_lbl_offset): Delete.
7162 (add_AT_lineptr): New.
7163 (add_AT_macptr): New.
7164 (AT_lbl): Expect a lineptr or macptr.
7165 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7166 (attr_checksum): Likewise.
7167 (same_dw_val_p): Likewise.
7168 (size_of_die): Likewise.
7169 (value_format): Likewise.
7170 (output_die): Likewise.
7171 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7173 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7174 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7175 * config/darwin-protos.h (darwin_file_start): New.
7176 (darwin_asm_output_dwarf_offset): New.
7177 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7178 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7180 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7181 if not EH section; simplify.
7182 (darwin_file_start): New.
7183 (darwin_asm_output_dwarf_offset): New.
7184 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7186 (DEBUG_INFO_SECTION): Likewise.
7187 (DEBUG_ABBREV_SECTION): Likewise.
7188 (DEBUG_ARANGES_SECTION): Likewise.
7189 (DEBUG_MACINFO_SECTION): Likewise.
7190 (DEBUG_LINE_SECTION): Likewise.
7191 (DEBUG_LOC_SECTION): Likewise.
7192 (DEBUG_PUBNAMES_SECTION): Likewise.
7193 (DEBUG_STR_SECTION): Likewise.
7194 (DEBUG_RANGES_SECTION): Likewise.
7195 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7196 (ASM_OUTPUT_DWARF_OFFSET): New.
7198 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7200 * config.gcc (tm_defines): Always add to previous value rather
7203 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7205 * config/mips/predicates.md (splittable_const_int_operand): New,
7206 split from move_operand.
7207 (splittable_symbolic_operand): New.
7208 (move_operand): Add commentary. Use splittable_const_int_operand.
7209 Inline mips_atomic_symbolic_constant_p.
7210 * config/mips/mips.md: Add combine splitters for handling moves
7211 of splittable_const_int_operands and splittable_symbolic_operands.
7212 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7213 (mips_split_symbol): Declare.
7214 (mips_move_integer): Declare.
7215 * config/mips/mips.c (mips_split_p): Make global.
7216 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7217 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7218 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7219 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7220 (mips_offset_within_object_p): Handle block symbols.
7221 (mips_atomic_symbolic_constant_p): Delete.
7222 (mips_cannot_force_const_mem): Return false for constants that
7223 mips_legitimize_move can handle.
7224 (mips_use_blocks_for_constant_p): New function.
7225 (mips_split_symbol): Make global.
7226 (mips_move_integer): Likewise. Add a temporary register argument.
7227 (mips_legitimize_const_move): Use splittable_const_int_operand and
7228 splittable_symbolic_operand.
7229 (mips_use_anchors_for_symbol_p): New function.
7230 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7231 (mips_split_p): Declare.
7233 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7235 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7236 (mips*-*-linux*): Likewise.
7238 2006-03-16 Roger Sayle <roger@eyesopen.com>
7239 Daniel Speyer <dspeyer@wam.umd.edu>
7242 * tree-dump.c (dump_real): New function.
7243 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7244 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7245 (tree-dump.o): Add $(REAL_H) to the dependencies.
7247 2006-03-16 Roger Sayle <roger@eyesopen.com>
7250 * real.c (real_from_string): If the mantissa is zero, don't bother
7251 parsing the exponent as the result should always be zero.
7253 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7255 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7257 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7259 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7260 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7261 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7262 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7263 ia64_sched_finish_global): New static functions to implement
7264 hooks from gcc_target.sched.
7265 (spec_check_no, max_uid, pending_data_specs): New static variables.
7266 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7267 ia64_spec_check_src_p): New static functions.
7268 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7269 (TARGET_SCHED_ADJUST_COST): Removed.
7270 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7271 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7272 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7273 TARGET_SCHED_GEN_CHECK,
7274 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7275 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7276 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7277 Fixed to handle speculation checks.
7278 (rtx_needs_barrier): Fixed to handle speculative loads and
7280 (ia64_variable_issue): Added code to count speculative loads and their
7282 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7284 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7286 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7288 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7289 (ia64_reorg): Reset stops_p to NULL after it is freed.
7290 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7291 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7292 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7294 (data_speculative, control_speculative, check_load): New attributes.
7295 (mov<mode>_advanced, mov<mode>_speculative,
7296 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7297 zero_extend<mode>di2_speculative,
7298 zero_extend<mode>di2_speculative_advanced): New patterns for
7299 data and control speculative loads.
7300 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7302 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7303 New pattern for data and control speculation checks.
7304 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7305 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7306 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7307 Auxiliary definitions for the patterns.
7308 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7309 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7311 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7313 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7314 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7315 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7316 New resource constraints.
7317 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7319 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7320 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7321 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7322 msched-in-control-spec, msched-ldc, msched-control-ldc,
7323 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7324 msched-prefer-non-control-spec-insns,
7325 msched-count-spec-in-critical-path): New flags to tune speculative
7327 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7328 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7329 msched-in-control-spec, msched-ldc, msched-control-ldc,
7330 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7331 msched-prefer-non-control-spec-insns,
7332 msched-count-spec-in-critical-path): Document new flags.
7334 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7336 * target.h (struct spec_info_def): New opaque declaration.
7337 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7338 speculate_insn, needs_block_p, gen_check,
7339 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7340 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7341 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7342 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7343 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7344 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7346 (TARGET_SCHED): Use new macros.
7347 * rtl.h (copy_DEPS_LIST_list): New prototype.
7348 * sched-int.h (struct sched_info): Change signature of new_ready field,
7349 adjust all initializations. New fields: add_remove_insn,
7350 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7351 region_head_or_leaf_p.
7352 (struct spec_info_def): New structure declaration.
7353 (spec_info_t): New typedef.
7354 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7355 recovery_block, orig_pat.
7356 (glat_start, glat_end): New variables declaraions.
7357 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7359 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7360 DETACH_LIFE_INFO, USE_GLAT.
7361 (enum SPEC_SCHED_FLAGS): New enumeration.
7362 (NOTE_NOTE_BB_P): New macro.
7363 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7364 attach_life_info, debug_spec_status, check_reg_live): New functions.
7365 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7366 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7368 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7369 * ddg.c (get_block_head_tail): Adjust all uses.
7370 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7371 (sms_sched_info): Initialize new fields.
7372 (contributes_to_priority): Removed.
7373 * haifa-sched.c (params.h): New include.
7374 (get_block_head_tail): Adjust all uses.
7375 (ISSUE_POINTS): New macro.
7376 (glat_start, glat_end): New global variables.
7377 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7378 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7379 old_last_basic_block, before_recovery, current_sched_info_var,
7380 rgn_n_insns, luid): New static variables.
7381 (insn_cost1): New function. Move logic from insn_cost to here.
7382 (find_insn_reg_weight1): New function. Move logic from
7383 find_insn_reg_weight to here.
7384 (reemit_notes, move_insn, max_issue): Change signature.
7385 (move_insn1): Removed.
7386 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7387 extend_bb): New static functions to support extension of scheduler's
7389 (generate_recovery_code, process_insn_depend_be_in_spec,
7390 begin_speculative_block, add_to_speculative_block,
7391 init_before_recovery, create_recovery_block, create_check_block_twin,
7392 fix_recovery_deps): New static functions to support
7393 generation of recovery code.
7394 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7395 restore_bb_notes, move_block_after_check, move_succs): New static
7396 functions to support ebb scheduling.
7397 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7398 functions to support handling of register live information.
7399 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7400 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7401 add_jump_dependencies): New static functions.
7402 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7403 consistancy checking.
7404 (debug_spec_status): New function to call from debugger.
7405 (priority): Added code to handle speculation checks.
7406 (rank_for_schedule): Added code to distinguish speculative instructions.
7407 (schedule_insn): Added code to handle speculation checks.
7408 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7409 Fixed to handle ebbs.
7410 (move_insn): Added code to handle ebb scheduling.
7411 (max_issue): Added code to use ISSUE_POINTS of instructions.
7412 (choose_ready): Added code to choose between speculative and
7413 non-speculative instructions.
7414 (schedule_block): Added code to handle ebb scheduling and scheduling of
7415 speculative instructions.
7416 (sched_init): Initialize new variables.
7417 (sched_finish): Free new variables. Print statistics.
7418 (try_ready): Added code to handle speculative instructions.
7419 * lists.c (copy_DEPS_LIST_list): New function.
7420 * sched-deps.c (extend_dependency_caches): New function. Move logic
7421 from create_dependency_caches to here.
7422 (get_dep_weak, ds_merge): Make global.
7423 * genattr.c (main): Code to output prototype for
7424 dfa_clear_single_insn_cache.
7425 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7426 (output_dfa_clean_insn_cache_func): Code to output
7427 dfa_clear_single_insn_cache function.
7428 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7430 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7432 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7433 New static variables.
7434 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7435 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7437 (ebb_sched_info): Initialize new fields.
7438 (get_block_head_tail): Adjust all uses.
7439 (compute_jump_reg_dependencies): Fixed to use glat_start.
7440 (schedule_ebb): Code to remove unreachable last block.
7441 (schedule_ebbs): Added code to update register live information.
7442 * sched-rgn.c (region_sched_info): Initialize new fields.
7443 (get_block_head_tail): Adjust all uses.
7444 (last_was_jump): Removed. Adjust users.
7445 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7446 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7447 Implement new hooks.
7448 (check_dead_notes1): New static function.
7449 (struct region): New fields: dont_calc_deps, has_real_ebb.
7450 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7451 (BB_TO_BLOCK): Fixed to handle EBBs.
7452 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7453 (ebb_head): New static variable.
7454 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7455 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7457 (compute_dom_prob_ps): New assertion.
7458 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7459 global_live_at_start.
7460 (init_ready_list): New assertions.
7461 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7462 (new_ready): Add support for BEGIN_CONTROL speculation.
7463 (schedule_insns): Fixed code that updates register live information
7465 (schedule_region): Fixed to handle EBBs.
7466 (init_regions): Use extend_regions and check_dead_notes1.
7467 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7468 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7469 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7470 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7471 TARGET_SCHED_GEN_CHECK,
7472 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7473 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7474 * doc/invoke.texi (max-sched-insn-conflict-delay,
7475 sched-spec-prob-cutoff): Document.
7477 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7479 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7480 inter_tick, queue_index.
7481 (struct sched_info): Change signature of init_ready_list field.
7482 Adjust all initializations.
7483 (RESOLVED_DEPS): New access macro.
7484 (ready_add): Remove prototype.
7485 (try_ready): Add prototype.
7486 * sched-rgn.c (init_ready_list): Use try_ready.
7487 (schedule_region): Initialize
7488 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7489 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7490 (init_ready_list): Use try_ready.
7491 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7492 * lists.c (remove_list_elem): Remove `static'.
7493 (remove_free_INSN_LIST_elem): New function.
7494 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7495 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7496 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7498 (readyp): New variable.
7499 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7500 change_queue_index, resolve_dep): New static functions.
7501 (try_ready): New function. Adjust callers in sched-rgn.c and
7502 sched-ebb.c to use it instead of ready_add.
7503 (clock_var): Move at the begining of file.
7504 (rank_for_schedule): Fix typo.
7505 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7506 (ready_lastpos): Enforce assertion.
7507 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7509 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7510 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7511 (queue_to_ready): Use free_INSN_LIST_list.
7512 (early_queue_to_ready): Fix typo.
7513 (schedule_block): Init readyp. Move init_ready_list call after the
7514 initialization of clock_var. Fix error in rejecting insn by
7515 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7516 that previously corrected INSN_TICKs. Add code for handling
7518 (set_priorities): Fix typo.
7519 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7520 Clarify comment and code that keeps current_sched_info->next_tail
7523 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7525 * sched-rgn.c (extend_rgns): New static function.
7526 (find_rgns): Use it.
7527 (gather_region_statistics, print_region_statistics): New static
7529 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7530 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7532 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7533 Andrey Belevantsev <abel@ispras.ru>
7535 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7536 * lists.c (unused_deps_list): New variable.
7537 (free_list): Add assertions to verify the proper distinguishing
7538 between INSN_LISTs and DEPS_LISTs.
7539 (find_list_elem, remove_list_elem, remove_list_node): New static
7541 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7542 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7543 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7544 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7546 (free_INSN_LIST_node): Likewise.
7547 * modulo-sched.c (current_sched_info): Initialize flags field.
7548 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7549 * rtl.def (DEPS_LIST): Define.
7550 * rtl.h: Declare new functions from lists.c.
7551 * sched-deps.c (spec_dependency_cache): New static variable.
7552 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7553 (add_dependence): Change return type to void. Move the logic to ...
7554 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7555 (delete_all_dependences): Add comment about forward_dependency_cache.
7556 Handle spec_dependency_cache. Handle DEPS_LISTs.
7557 (fixup_sched_groups): Clarify the change of priority of output
7558 and anti dependencies.
7559 (sched_analyze_2): Adjust add_dependence calls to create data
7560 speculative dependence.
7561 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7562 Adjust all callers. Handle DEPS_LISTS.
7563 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7564 presence of speculation.
7565 (init_dependency_caches, free_dependency_caches):
7566 Handle spec_dependency_cache.
7567 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7568 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7569 New static functions.
7570 (add_or_update_back_dep, add_or_update_back_forw_dep,
7571 add_back_forw_dep, delete_back_forw_dep): New functions.
7572 * sched-int.h (ds_t, dw_t): New typedefs.
7573 (struct sched_info): Add new field flags.
7574 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7575 Prototype new sched-deps.c functions.
7576 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7577 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7578 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7579 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7580 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7581 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7583 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7585 * sched-rgn.c (current_sched_info): Initialize flags field.
7586 (schedule_insns): Initialize current_sched_info before the sched_init
7588 * sched-ebb.c (current_sched_info): Initialize flags field.
7589 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7590 Call add_or_update_back_dep instead of add_dependence.
7591 Create control speculative dependencies.
7592 (schedule_insns): Initialize current_sched_info before the sched_init
7595 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7597 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7599 (sh_fallback_frame_state): Likewise.
7601 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7603 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7604 Do switch on default_use_cxa_atexit.
7605 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7606 * config/darwin-crt3.o: New.
7607 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7608 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7609 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7611 * config/rs6000/t-darwin: Move crt2.o building to here.
7612 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7613 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7616 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7618 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7619 from '! xxx' to '!xxx' for coding-style conformance.
7620 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7621 (EXTRA_CONSTRAINT): Likewise.
7622 * config/vax/vax.md (four unnamed insns): Likewise.
7624 2006-03-15 Paul Brook <paul@codesourcery.com>
7626 * config/arm/arm.c (minipool_pad): New.
7627 (add_minipool_forward_ref): Include pool alignment padding in address
7629 (push_minipool_fix): Set minipool_pad.
7630 (minipool_pad): Ditto.
7632 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7634 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7635 instead of GET_CODE() == MEM and REG_P() instead of
7637 (print_operand_address): Likewise.
7638 (vax_address_cost): Likewise.
7639 (vax_rtx_costs): Likewise.
7640 (vax_notice_update_cc): Likewise.
7641 (vax_output_int_add): Likewise.
7642 (INDEX_REGISTER_P): Likewise.
7643 (BASE_REGISTER_P): Likewise.
7644 (nonindexed_address_p): Likewise.
7645 (vax_mode_dependent_address_p): Likewise.
7646 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7647 (PRINT_OPERAND): Likewise.
7648 * config/vax/vax.md (ashlsi3): Likewise.
7649 (ashlsi3): Likewise.
7650 (some more unnamed insns): Likewise.
7652 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7654 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7655 iterator-style macro.
7656 (mark_control_dependent_edges_necessary): Update the use of
7657 EXECUTE_IF_CONTROL_DEPENDENT.
7659 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7661 * config/sh/predicates.md (cache_address_operand): Special.
7662 (ua_address_operand): Likewise.
7664 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7666 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7668 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7670 2006-03-15 Andreas Schwab <schwab@suse.de>
7672 * gensupport.c (identify_predicable_attribute): Don't free p_false
7673 when it is still in use.
7675 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7677 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7678 the default setting here.
7680 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7682 * tree-pass.h (pass_cfg): Remove.
7683 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7684 * passes.c (pass_cfg): Don't run it.
7686 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7688 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7689 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7691 (stack_regs_mentioned): Update the uses of
7692 stack_regs_mentioned_data. Don't access the array beyond its
7694 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7695 Don't include gt-reg-stack.h.
7697 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7698 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7700 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7703 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7706 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7708 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7710 2006-03-14 Richard Guenther <rguenther@suse.de>
7712 PR tree-optimization/26672
7713 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7716 2006-03-14 Richard Guenther <rguenther@suse.de>
7718 PR tree-optimization/26667
7719 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7720 node for the callees. Always allow inlining if it will shrink
7723 2006-03-14 Richard Guenther <rguenther@suse.de>
7726 * builtins.c (get_pointer_alignment): Prefer alignment
7727 information from decls over that from types.
7729 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7732 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7734 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7736 * config/rs6000/rs6000.opt (mdlmzb): New option.
7737 (msched-prolog, msched-epilog): Use Var not Mask.
7738 * doc/invoke.texi (-mdlmzb): Document.
7739 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7741 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7742 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7744 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7746 PR rtl-optimization/25739
7747 * bt-load.c (augment_live_range): Free tos pointer.
7749 * gensupport.c (identify_predicable_attribute): Free
7751 * gcov.c (create_file_names): Free name pointer.
7753 2006-03-13 Roger Sayle <roger@eyesopen.com>
7756 * stmt.c (emit_case_nodes): Handle the case where the index is a
7757 CONST_INT, where the comparison mode is specified by the index type.
7759 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7761 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7764 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7766 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7767 (*branch_fp_inverted): Likewise.
7769 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7772 * omp-low.c (expand_omp_for_generic): Mark istart0
7773 and iend0 as addressable.
7775 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7777 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7779 2006-03-13 Jeff Law <law@redhat.com>
7781 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7782 virtual operands are interesting.
7783 (vrp_visit_stmt): Corresponding changes.
7785 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7787 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7789 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7790 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7791 * config/bfin/crti.S: Use it instead of __PIC__.
7792 * config/bfin/crtn.S: Likewise.
7794 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7795 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7797 Lose 'G' modifier for call operand.
7798 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7799 recognize 'G' modifier.
7801 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7804 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7805 * stmt.c (expand_case): Likewise.
7807 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7809 PR rtl-optimization/26254
7810 * loop-invariant.c (seq_insns_valid_p): New function.
7811 (move_invariant_reg): Only emit new code if it is valid.
7813 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7815 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7817 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7818 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7819 (commit_one_edge_insertion): Do not look for loop notes.
7821 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7823 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7824 flag_test_coverage out of loop.
7826 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7828 * final.c (shorten_branches): Remove outdated comment, and turn
7829 the if branch that guards it to continue.
7831 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7833 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7834 * cfgloop.h (struct loop): Remove unused fields.
7836 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7838 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7839 (-dL, -fdump-rtl-loop2): Update the dump file names
7841 * doc/invoke.texi: Update dump file names.
7843 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7845 * predict.c (estimate_probability): Remove.
7846 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7847 * basic-block.h (estimate_probability): Remove prototype.
7848 * passes.c (finish_optimization_passes): Dump branch prediction or
7849 profiling heuristics to the .profile tree dump.
7850 (init_optimization_passes): Unqueue pass_branch_prob.
7852 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7854 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7856 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7857 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7859 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7861 * function.h (frame_offset_overflow): Declare.
7862 * function.c (frame_offset_overflow): New function.
7863 (assign_stack_local_1): Call it to detect that the offset overflows.
7864 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7866 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7868 * config/sh/sh.c: Include alloc-pool.h.
7869 (label_ref_list_pool): New alloc pool.
7870 (label_ref_list_t): New type for lists of labels.
7871 (struct pool_node): Make wend a label_ref_list_t.
7872 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7874 (dump_table): Likewise.
7875 (sh_reorg): Set up the alloc pool before using add_constant and
7876 dump_table, and destroy it when finishing.
7878 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7880 * config/mips/mips.c: Remove redundant comment.
7882 2006-03-10 Jason Merrill <jason@redhat.com>
7885 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7886 the target was declared 'register'.
7888 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7890 * genpreds.c (write_insn_constraint_len): Change definition of
7891 insn_constraint_len to return size_t to match the declaration.
7893 2006-03-10 DJ Delorie <dj@redhat.com>
7895 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7897 (m32c_expand_insv): Fix test for an AND mask.
7899 2006-03-10 Richard Guenther <rguenther@suse.de>
7902 * builtins.c (get_pointer_alignment): Handle component
7903 references for field alignment.
7905 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7907 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7908 when building with libgloss.
7909 (sh*elf): Implement --without-fp option.
7910 (sh64-superh-linux*): Don't multilib.
7912 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7914 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7916 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7918 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7919 Set it when one of the replacement functions returned true.
7920 Return TODO_cleanup_cfg if cfgchanged is true.
7921 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7923 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7925 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7926 instead of gen_lowpart.
7928 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7930 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7932 (mips_output_order_conditional_branch): Declare.
7933 * config/mips/mips.h (MIPS_BRANCH): New macro.
7934 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7935 for the comparison. Use gen_condjump.
7936 (mips_output_conditional_branch): Rework interface to take the
7937 asm templates for a direct branch and the inverse of a direct branch.
7938 (mips_output_order_conditional_branch): New function.
7939 (mips_builtin_branch_and_move): New function.
7940 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7941 branch condition. Use gen_single_cc as the condition for
7942 __builtin_mips_upper_* or __builtin_mips_lower_*.
7943 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7944 Use VOIDmode for the branch condition.
7945 * config/mips/predicates.md (order_operator): New predicate.
7946 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7947 (branch_fp): Rename to...
7948 (*branch_fp): ...this. Remove mode from comparison operator.
7949 Use new mips_output_conditional_branch interface.
7950 (branch_fp_inverted): Rename to...
7951 (*branch_fp_inverted): ...this and update as for *branch_fp.
7952 (*branch_zero<mode>): Rename to...
7953 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7954 Use mips_output_order_conditional_branch. Only accept ordered
7956 (*branch_zero<mode>_inverted): Rename to...
7957 (*branch_order<mode>_inverted): ...this and update as for
7958 *branch_order<mode>.
7959 (*branch_equality<mode>): Accept zero as the second operand to
7960 the equality operator. Use the new mips_output_conditional_branch
7962 (*branch_equality<mode>_inverted): Likewise.
7963 (condjump): New expander.
7964 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7966 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7967 (bc1any2t, bc1any2f): Likewise.
7968 (single_cc): New expander.
7969 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7971 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7973 * doc/md.texi: Update documentation of MIPS constraints.
7974 * config/mips/constraints.md: New file.
7975 * config/mips/mips.md: Include it.
7976 * config/mips/mips.c (mips_char_to_class): Delete.
7977 (override_options): Don't initialize mips_char_to_class.
7978 * config/mips/mips.h (mips_char_to_class): Delete.
7979 (REG_CLASS_FROM_LETTER): Delete.
7980 (CONST_OK_FOR_LETTER_P): Delete.
7981 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7982 (EXTRA_CONSTRAINT_Y): Delete.
7983 (EXTRA_CONSTRAINT_STR): Delete.
7984 (CONSTRAINT_LEN): Delete.
7985 (EXTRA_MEMORY_CONSTRAINT): Delete.
7987 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7989 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7990 original fn's eh regions.
7992 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7994 * fold-const.c (build_range_check): Make sure to use a valid type to
7995 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7998 (range_predecessor): New static function.
7999 (range_successor): Likewise.
8000 (merge_ranges): Use them to compute predecessors and successors of
8003 2006-03-09 Roger Sayle <roger@eyesopen.com>
8006 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8007 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8009 2006-03-08 DJ Delorie <dj@redhat.com>
8011 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8012 (addpsi3): Expand to include memory operands. Remove
8013 reload-specific splits.
8014 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8015 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8016 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8017 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8018 (shift1_qi, shift1_hi, insv): New.
8019 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8020 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8021 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8023 * config/m32c/m32c-protos.h: Update as needed.
8024 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8025 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8026 Fail for unrecognized R* constraints.
8027 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8028 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8029 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8031 (m32c_init_libfuncs): New.
8032 (m32c_legitimate_address_p): Add debug wrapper.
8033 (m32c_rtx_costs): New.
8034 (m32c_address_cost): New.
8035 (conversions): Add 'B' prefix.
8036 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8037 operands, or word regnames for QI operands. 'B' prints bit
8039 (m32c_expand_setmemhi): New.
8040 (m32c_expand_movmemhi): New.
8041 (m32c_expand_movstr): New.
8042 (m32c_expand_cmpstr): New.
8043 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8044 (m32c_expand_neg_mulpsi3): Handle non-ints.
8045 (m32c_cmp_flg_0): New.
8046 (m32c_expand_movcc): New.
8047 (m32c_expand_insv): New.
8048 (m32c_scc_pattern): New.
8049 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8050 a0/a1 out of SIregs.
8051 (STORE_FLAG_VALUE): New.
8052 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8055 * config/m32c/mov.md: Make constraints more liberal.
8056 (zero_extendqihi2): Optimize r0/r1 case.
8057 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8058 * config/m32c/predicates.md (m32c_any_operand): New.
8059 (m32c_nonimmediate_operand): New.
8060 (m32c_hl_operand): New.
8061 (m32c_r3_operand): New.
8064 (memsym_operand): New.
8065 (memimmed_operand): New.
8066 (a_qi_operand): New.
8067 (m32c_eqne_operator): New.
8068 (m32c_1bit8_operand): New.
8069 (m32c_1bit16_operand): New.
8070 (m32c_1mask8_operand): New.
8071 (m32c_1mask16_operand): New.
8072 * config/m32c/blkmov.md: New file.
8073 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8075 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8077 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8078 unsigned to fix signed/unsigned comparison issue in
8079 DWARF2_FRAME_REG_OUT.
8080 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8081 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8083 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8084 of ptr into the ENABLE_CHECKING section.
8086 2006-03-08 Jeff Law <law@redhat.com>
8088 * tree-vrp.c (infer_value_range): Only count pointer uses
8089 and dereferences if -fdelete-null-pointer-checks is enabled.
8091 * tree-vrp.c (find_assert_locations): Infer value ranges for
8092 single use pointers, but do not create ASSERT_EXPRs for them.
8093 When a non-null range is inferred for a pointer, backwards
8094 propagate that range to other equivalent pointers through the
8097 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8100 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8101 language hook targets.
8102 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8103 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8104 if language hook targets were missing.
8106 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8108 * tree-ssa-opfinalize.h: Removed.
8109 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8111 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8112 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8113 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8114 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8115 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8116 finalize_ssa_v_must_def_ops): New.
8118 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8120 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8123 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8125 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8127 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8128 addresses with offsets; reorganize.
8130 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8131 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8132 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8134 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8137 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8139 2006-03-08 Ben Elliston <bje@au.ibm.com>
8141 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8143 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8146 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8149 2006-03-07 Richard Guenther <rguenther@suse.de>
8151 PR tree-optimization/26587
8152 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8154 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8156 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8158 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8160 * hooks.c (hook_bool_mode_rtx_true): New function.
8161 * hooks.h (hook_bool_mode_rtx_true): Declare.
8162 * toplev.c (compile_file): Call output_shared_constant_pool.
8163 * varasm.c (shared_constant_pool): New variable.
8164 (assemble_start_function, assemble_end_function): Remove arguments
8165 from call to output_constant_pool.
8166 (create_constant_pool): New function, split out from...
8167 (init_varasm_status): ...here.
8168 (force_const_mem): Choose between the shared and per-function constant
8169 pools. Set current_function_uses_const_pool when reusing old entries
8170 as well as when creating new ones.
8171 (mark_constant): Ignore data argument.
8172 (mark_constants): Remove pool argument.
8173 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8174 to decide whether the function uses a constant pool.
8175 (output_constant_pool_contents): New function, split out from...
8176 (output_constant_pool): ...here.
8177 (output_shared_constant_pool): New function.
8178 (init_varasm_once): Initialize shared_constant_pool.
8179 * output.h (output_constant_pool): Delete.
8180 (output_shared_constant_pool): Declare.
8181 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8182 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8184 2006-03-06 Nick Clifton <nickc@redhat.com>
8186 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8187 flag_strength_reduce.
8189 2006-03-06 Ben Elliston <bje@au.ibm.com>
8191 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8192 x86_64-*-linux* configurations.
8194 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8195 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8197 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8199 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8201 * basic-block.h: Remove the extern for
8202 rediscover_loops_after_threading.
8204 * cfgloop.c (cancel_loop): Make it static.
8205 * cfgloop.h: Remove the prototype for cancel_loop.
8207 * flow.c (recompute_reg_usage): Make it static.
8208 * rtl.h: Remove the prototype for recompute_reg_usage.
8210 * function.c (use_return_register): Make it static.
8211 * function.h: Remove the prototype.
8213 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8215 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8217 * recog.h: Remove the prototype for
8218 validate_change_maybe_volatile.
8220 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8222 * rtlanal.c (replace_reg): Remove.
8223 * rtl.h: Remove the prototype for replace_reg.
8225 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8227 * regclass.c (reg_scan_update): Remove.
8228 (reg_scan_mark_refs): Remove the last argument.
8229 * rtl.h: Remove the prototype for reg_scan_update.
8231 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8233 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8234 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8235 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8236 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8237 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8238 loop-invariant.c, omp-low.c, opts.c, passes.c,
8239 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8240 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8241 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8242 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8243 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8244 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8246 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8248 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8249 * dwarf2out.h: Remove the prototype for
8250 dwarf2out_add_library_unit_info.
8252 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8254 * tree.c (add_var_to_bind_expr): Remove.
8255 * tree.h: Remove the prototype for add_var_to_bind_expr.
8257 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8259 * regclass.c (n_non_fixed_regs): Remove.
8260 (init_reg_sets_1, globalize_reg): Remove all uses of
8262 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8264 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8266 * rtlanal.c (insns_safe_to_move_p): Remove.
8267 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8269 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8271 * expmed.c (expand_mult_add): Remove.
8272 * expr.h: Remove the prototype for expand_mult_add.
8274 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8276 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8277 and REG_SAVED_VAL_EXP constants.
8278 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8279 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8280 Handle regs stored by value.
8281 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8282 (execute_cfa_program): Handle DW_CFA_val_offset,
8283 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8284 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8285 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8286 (uw_install_context_1): Handle target regs stored by value.
8288 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8290 * tree-sra.c (tree_sra): Return todoflags;
8291 (generate_one_element): Set TODO_update_smt_usage if needed.
8292 (pass_sra): Remove TODO_update_smt_usage.
8293 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8295 (tree_ssa_forward_propagate_single_use_vars): Return
8296 TODO_update_smt_usage if we need to update SMT usage.
8297 (pass_forwprop): Remove TODO_update_smt_usage.
8299 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8301 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8302 (correct_use_link): Remove reference to get_stmt_operands.
8303 (update_stmt_operands): Likewise.
8304 (get_modify_expr_operands): New function factored out of
8305 parse_ssa_operands and get_expr_operands.
8306 Try to create V_MUST_DEFs for LHS by default.
8307 (get_expr_operands) <case MODIFY_EXPR>: Call
8308 get_modify_expr_operands.
8309 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8310 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8311 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8312 get_modify_expr_operands.
8314 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8316 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8317 * tree-flow.h: Remove the prototype for
8318 referenced_var_lookup_if_exists.
8320 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8322 PR rtl-optimization/26345
8324 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8326 2006-03-03 Roger Sayle <roger@eyesopen.com>
8328 PR tree-optimization/26524
8329 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8330 fold_convert to create a constant of the appropriate type.
8332 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8334 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8335 SYMBOL_REF_IN_BLOCK_P.
8336 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8337 of SYMBOL_FLAG_IN_BLOCK.
8338 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8339 instead of SYMBOL_REF_IN_BLOCK_P.
8340 * explow.c (use_anchored_address): Likewise.
8341 * rtl.c (rtx_size): Likewise.
8342 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8343 instead of SYMBOL_FLAG_IN_BLOCK.
8344 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8345 SYMBOL_REF_IN_BLOCK_P.
8346 (assemble_variable): Likewise.
8347 (output_constant_def_contents): Likewise.
8348 (output_constant_pool): Likewise.
8349 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8350 instead of SYMBOL_FLAG_IN_BLOCK.
8351 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8352 SYMBOL_REF_IN_BLOCK_P.
8353 (SYMBOL_REF_BLOCK): Likewise.
8354 (SYMBOL_REF_OFFSET): Likewise.
8355 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8356 SYMBOL_REF_IN_BLOCK_P.
8357 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8358 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8359 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8360 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8362 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8364 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8366 2006-03-02 Roger Sayle <roger@eyesopen.com>
8368 * simplify-rtx.c (simplify_unary_operation): When simplifying
8369 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8370 that we perform the right shift in the appropriate mode, and
8371 then extend or truncate the result to requested mode.
8373 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8375 * gengtype.c (main): Handle double_int type.
8376 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8377 * double-int.c: New file.
8378 * double-int.h: New file.
8379 * system.h: Include doubleint.h.
8380 * Makefile.in (SYSTEM_H): Include double-int.h.
8381 (double-int.o): Add.
8383 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8386 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8389 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8391 * tree-vrp.c (remove_range_assertions): Do not update statements
8394 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8396 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8398 * gcse.c (rest_of_handle_gcse): Ditto.
8399 * except.c (gate_handle_eh): Ditto.
8400 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8401 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8403 2006-03-02 Eric Christopher <echristo@apple.com>
8405 * config/i386/i386.c (machopic_output_stub): Add indirection to
8408 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8412 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8414 Sun Niagara specific optimizations.
8415 * config.gcc: Recognize niagara as target.
8416 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8417 (TARGET_CPU_niagara): Define.
8418 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8419 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8420 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8421 (ASM_CPU_SPEC): Likewise.
8422 (PROCESSOR_NIAGARA): New enum entry.
8423 (REGISTER_MOVE_COST): Handle Niagara.
8424 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8425 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8426 (sparc_override_options): Recognize "niagara", set appropriate
8427 default MASK_* values for it, and align functions to 32-bytes
8428 by default just like ULTRASPARC/ULTRASPARC3.
8429 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8430 (sparc64_initialize_trampoline): Likewise.
8431 (sparc_use_sched_lookahead): Use zero for niagara.
8432 (sparc_issue_rate): Use one for niagara.
8433 * config/sparc/niagara.md: New file.
8434 * config/sparc/sparc.md: Include it.
8435 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8436 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8437 when default cpu is niagara.
8438 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8439 (ASM_CPU_SPEC): Likewise.
8440 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8441 when default cpu is niagara.
8442 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8443 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8444 just like v9/ultrasparc/ultrasparc3.
8445 * doc/invoke.texi: Add documentation for "niagara" and improve
8446 existing documentation for ultrasparc variants.
8448 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8450 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8452 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8454 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8455 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8456 and say that only one is needed.
8457 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8458 * target.h (have_switchable_bss_sections): New hook.
8459 * explow.c (use_anchored_address): Check that the symbol is in a block.
8460 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8461 (bss_noswitch_section): New variables.
8462 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8463 (get_noswitch_section): New function.
8464 (get_block_for_section): Allow SECT to be null.
8465 (unlikely_text_section_p): Use SECTION_STYLE.
8466 (bss_initializer_p): New function.
8467 (get_variable_section): Move earlier in file. Take a new argument,
8468 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8469 Return one of the new *_sections in such cases.
8470 (get_block_for_decl): New function, extracting some logic from
8471 use_blocks_for_decl_p.
8472 (change_symbol_section): Remove in favor of...
8473 (change_symbol_block): ...this new function.
8474 (use_blocks_for_decl_p): Remove checks now performed by
8476 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8477 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8478 (emit_local, emit_bss, emit_common): ...these new functions.
8479 Return true if the alignment was honored.
8480 (emit_tls_common): New function.
8481 (asm_emit_uninitialised): Delete.
8482 (assemble_variable_noswitch): New function, split out from...
8483 (assemble_variable): ...here. Don't make decisions about common
8484 variables here. Globalize all public decls that go into non-common
8485 sections. Check whether SYMBOL_REF_BLOCK is null.
8486 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8487 (output_constant_pool): Likewise.
8488 (init_varasm_once): Initialize the new section variables.
8489 (have_global_bss_p): New function.
8490 (categorize_decl_for_section): Use bss_initializer_p.
8491 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8492 (place_block_symbol): Assert that the symbol must be in a block.
8493 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8494 (TARGET_INITIALIZER): Include it.
8495 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8496 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8497 (SECTION_MACH_DEP): Bump by two.
8498 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8499 (unnamed_section): Mention SECTION_UNNAMED in comment.
8500 (named_section): Likewise SECTION_NAMED.
8501 (noswitch_section_callback): New type.
8502 (noswitch_section): New structure.
8503 (section): Add a noswitch_section alternative.
8504 (SECTION_STYLE): New macro.
8505 (tls_comm_section, comm_section, lcomm_section): Declare.
8506 (bss_noswitch_section, have_global_bss_p): Declare.
8507 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8508 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8510 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8511 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8514 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8516 * tree-vrp.c (execute_vrp): Return value.
8517 * regrename.c (rest_of_handle_regrename): Ditto.
8518 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8519 * tree-complex.c (tree_lower_complex): Ditto.
8520 (tree_lower_complex_O0): Ditto.
8521 * tracer.c (rest_of_handle_tracer): Ditto.
8522 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8523 * postreload.c (rest_of_handle_postreload): Ditto.
8524 * tree-tailcall.c (execute_tail_recursion): Ditto.
8525 (execute_tail_calls): Ditto.
8526 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8527 * tree.h (init_function_for_compilation): Ditto.
8528 * ipa-cp.c (ipcp_driver): Ditto.
8529 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8530 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8531 * final.c (compute_alignments): Ditto.
8532 (rest_of_handle_final): Ditto.
8533 (rest_of_handle_shorten_branches): Ditto.
8534 (rest_of_clean_state): Ditto.
8535 * omp-low.c (execute_expand_omp): Ditto.
8536 (execute_lower_omp): Ditto.
8537 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8538 * ipa-reference.c (static_execute): Ditto.
8539 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8540 * reorg.c (rest_of_handle_delay_slots): Ditto.
8541 (rest_of_handle_machine_reorg): Ditto.
8542 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8543 * flow.c (recompute_reg_usage): Ditto.
8544 (rest_of_handle_remove_death_notes): Ditto.
8545 (rest_of_handle_life): Ditto.
8546 (rest_of_handle_flow2): Ditto.
8547 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8548 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8549 (do_ssa_store_ccp): Ditto.
8550 (execute_fold_all_builtins): Ditto.
8551 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8552 * modulo-sched.c (rest_of_handle_sms): Ditto.
8553 * ipa-pure-const.c (static_execute): Ditto.
8554 * cse.c (rest_of_handle_cse): Ditto.
8555 (rest_of_handle_cse2): Ditto.
8556 * web.c (rest_of_handle_web): Ditto.
8557 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8558 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8559 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8560 * tree-nrv.c (tree_nrv): Ditto.
8561 (execute_return_slot_opt): Ditto.
8562 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8563 (create_structure_vars): Ditto.
8564 * loop-init.c (rtl_loop_init): Ditto.
8565 (rtl_loop_done): Ditto.
8566 (rtl_move_loop_invariants): Ditto.
8567 (rtl_unswitch): Ditto.
8568 (rtl_unroll_and_peel_loops): Ditto.
8569 (rtl_doloop): Ditto.
8570 * gimple-low.c (lower_function_body): Ditto.
8571 (mark_used_blocks): Ditto.
8572 * tree-ssa-sink.c (execute_sink_code): Ditto.
8573 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8574 (cgraph_early_inlining): Ditto.
8575 * global.c (rest_of_handle_global_alloc): Ditto.
8576 * jump.c (cleanup_barriers): Ditto.
8577 (purge_line_number_notes): Ditto.
8578 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8579 (rest_of_handle_if_after_reload): Ditto.
8580 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8581 (tree_ssa_loop_im): Ditto.
8582 (tree_ssa_loop_unswitch): Ditto.
8583 (tree_vectorize): Ditto.
8584 (tree_linear_transform): Ditto.
8585 (tree_ssa_loop_ivcanon): Ditto.
8586 (tree_ssa_empty_loop): Ditto.
8587 (tree_ssa_loop_bounds): Ditto.
8588 (tree_complete_unroll): Ditto.
8589 (tree_ssa_loop_prefetch): Ditto.
8590 (tree_ssa_loop_ivopts): Ditto.
8591 (tree_ssa_loop_done): Ditto.
8592 * predict.c (tree_estimate_probability): Ditto.
8593 * recog.c (split_all_insns_noflow): Ditto.
8594 (rest_of_handle_peephole2): Ditto.
8595 (rest_of_handle_split_all_insns): Ditto.
8596 * tree-eh.c (lower_eh_constructs): Ditto.
8597 * regmove.c (rest_of_handle_regmove): Ditto.
8598 (rest_of_handle_stack_adjustments): Ditto.
8599 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8600 * function.c (instantiate_virtual_regs): Ditto.
8601 (init_function_for_compilation): Ditto.
8602 (rest_of_handle_check_leaf_regs): Ditto.
8603 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8604 (rest_of_handle_gcse): Ditto.
8605 * ipa-type-escape.c (type_escape_execute): Ditto.
8606 * alias.c (rest_of_handle_cfg): Ditto.
8607 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8608 * profile.c (rest_of_handle_branch_prob): Ditto.
8609 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8610 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8611 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8612 * tree-dfa.c (find_referenced_vars): Ditto.
8613 * except.c (set_nothrow_function_flags): Ditto.
8614 (convert_to_eh_region_ranges): Ditto.
8615 (rest_of_handle_eh): Ditto.
8616 * emit-rtl.c (unshare_all_rtl): Ditto.
8617 (remove_unnecessary_notes): Ditto.
8618 * except.h (set_nothrow_function_flags): Ditto.
8619 (convert_to_eh_region_ranges): Ditto.
8620 * cfgexpand.c (tree_expand_cfg): Ditto.
8621 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8622 * tree-ssa-pre.c (do_pre): Ditto.
8623 (execute_fre): Ditto.
8624 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8625 (rest_of_handle_jump2): Ditto.
8626 * tree-sra.c (tree_sra): Ditto.
8627 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8628 (execute_mudflap_function_decls): Ditto.
8629 * tree-ssa-copy.c (do_copy_prop): Ditto.
8630 (do_store_copy_prop): Ditto.
8631 * ipa-prop.h (ipcp_driver): Ditto.
8632 * cfglayout.c (insn_locators_initialize): Ditto.
8633 * tree-ssa-forwprop.c
8634 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8635 * cfglayout.h (insn_locators_initialize): Ditto.
8636 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8637 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8638 (execute_late_warn_uninitialized): Ditto.
8639 * rtl.h (cleanup_barriers): Ditto.
8640 (split_all_insns_noflow): Ditto.
8641 (purge_line_number_notes): Ditto.
8642 (unshare_all_rtl): Ditto.
8643 (remove_unnecessary_notes): Ditto.
8644 (recompute_reg_usage): Ditto.
8645 (variable_tracking_main): Ditto.
8646 * integrate.c (emit_initial_value_sets): Ditto.
8647 * integrate.h (emit_initial_value_sets): Ditto.
8648 * tree-optimize.c (execute_free_datastructures): Ditto
8649 (execute_free_cfg_annotations): Ditto.
8650 (execute_fixup_cfg): Ditto.
8651 (execute_cleanup_cfg_pre_ipa): Ditto.
8652 (execute_cleanup_cfg_post_optimizing): Ditto.
8653 (execute_init_datastructures): Ditto.
8654 * tree-object-size.c (compute_object_sizes): Ditto.
8655 * combine.c (rest_of_handle_combine): Ditto.
8656 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8657 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8658 (rest_of_handle_reorder_blocks): Ditto.
8659 (rest_of_handle_partition_blocks): Ditto.
8660 * var-tracking.c (variable_tracking_main): Ditto.
8661 * tree-profile.c (tree_profiling): Ditto.
8662 * tree-vect-generic.c (expand_vector_operations): Ditto.
8663 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8664 * sched-rgn.c (rest_of_handle_sched): Ditto.
8665 (rest_of_handle_sched2): Ditto.
8666 * basic-block.h (free_bb_insn): Ditto.
8667 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8668 * tree-cfg.c (execute_build_cfg): Ditto.
8669 (remove_useless_stmts): Ditto.
8670 (split_critical_edges): Ditto.
8671 (execute_warn_function_return): Ditto.
8672 (execute_warn_function_noreturn): Ditto.
8673 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8674 * cfgrtl.c (free_bb_for_insn): Ditto.
8675 * passes.c (execute_one_pass): Run additional
8676 todos returned by execute function.
8677 * tree-pass.h (struct tree_opt_pass): Make execute
8680 2006-03-02 Richard Guenther <rguenther@suse.de>
8682 * tree-ssa-alias.c (find_used_portions): Consider taking
8683 the address as making the variable not write-only.
8685 2006-03-02 Nick Clifton <nickc@redhat.com>
8687 * config.gcc (default_use_cxa_atexit): Extend the description of
8688 this configure variable. Set its default value to "yes" for
8689 Linux, NetBSD and ELF targets on the assumption that they will
8690 use C libraries with the __cxa_atexit function.
8692 2006-03-02 Ben Elliston <bje@au.ibm.com>
8694 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8695 parameter as unused to suppress a build warning.
8697 2006-03-02 Ben Elliston <bje@au.ibm.com>
8699 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8702 2006-03-01 Roger Sayle <roger@eyesopen.com>
8705 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8706 declared name, the weak reference name, and the typeof name.
8707 (__gthrw): Avoid expanding the declared name suffix.
8708 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8710 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8712 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8714 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8715 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8716 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8717 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8718 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8719 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8720 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8721 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8722 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8723 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8724 (DW_END_default, DW_END_big, DW_END_little): New.
8725 (DW_END_lo_user, DW_END_hi_user): Define.
8726 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8727 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8728 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8731 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8733 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8735 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8737 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8739 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8741 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8742 to 'symbol_mem_tag'.
8744 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8747 2006-03-01 Roger Sayle <roger@eyesopen.com>
8749 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8751 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8754 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8755 MACHO_DYNAMIC_NO_PIC_P.
8756 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8758 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8761 * config/darwin-protos.h (darwin_asm_output_anchor):
8763 * config/darwin-sections.def (cstring_section):
8764 Add SECTION_MERGE to the flags.
8765 (literal4_section): Likewise.
8766 (literal8_section): Likewise.
8767 (objc_selector_refs_section): Likewise.
8768 (objc_cls_refs_section): Likewise.
8769 * config/darwin.c (darwin_asm_output_anchor): New
8771 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8773 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8775 Fix PR tree-optimization/26443
8776 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8777 to todo and PROP_tmt_usage to properties_destroyed.
8778 * tree-ssa-ccp.c (pass_ccp): Ditto.
8779 (pass_store_ccp): Ditto.
8780 * tree-ssa-dom.c (pass_dominator): Ditto.
8782 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8784 * tree-ssa-operands.c: Cleanup whitespace.
8785 (get_asm_expr_operands): Move before first invocation.
8786 (get_indirect_ref_operands): Likewise.
8787 (get_tmr_operands): Likewise.
8788 (get_call_expr_operands): Likewise.
8789 (append_def): Likewise.
8790 (append_use): Likewise.
8791 (append_v_may_def): Likewise.
8792 (append_v_must_def): Likewise.
8793 (add_call_clobber_ops): Likewise.
8794 (add_call_read_ops): Likewise.
8795 (add_stmt_operand): Likewise.
8796 (add_virtual_operand): Likewise.
8797 (build_ssa_operands): Likewise.
8799 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8804 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8805 with a call expr to ...
8806 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8808 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8810 * tree-vrp.c (extract_range_from_assert): Remove special
8811 handling for types with super-types.
8813 2006-03-01 Ben Elliston <bje@au.ibm.com>
8815 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8816 and powerpc64-*-linux* configurations.
8817 * config/t-dfprules: New file.
8819 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8820 Compile dfp-bit.c from the source directory using -DWIDTH and
8821 $DFP_CFLAGS to control the compilation of that file, rather than
8822 generating width-specific versions in the build directory.
8823 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8824 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8826 2006-02-28 Zack Weinberg <zackw@panix.com>
8828 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8831 2006-02-28 Eric Christopher <echristo@apple.com>
8833 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8834 Set up IN_LIBGCC definition of TARGET_64BIT.
8835 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8837 2006-02-28 Roger Sayle <roger@eyesopen.com>
8840 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8841 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8842 cases via the construction of "expr != 0".
8844 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8846 * alias.c (alias_invariant, alias_invariant_size): Remove.
8847 (record_base_value): Remove.
8848 (memrefs_conflict_p): Don't look at alias_invariant.
8849 (end_alias_analysis): Don't free it.
8850 * alias.h (record_base_value): Remove prototype.
8852 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8853 Adam Nemet <anemet@caviumnetworks.com>
8855 * rtl.h (truncated_to_mode): Declare it.
8856 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8857 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8858 (RTL_HOOKS_INITIALIZER): Include it.
8859 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8860 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8861 reg_truncated_to_mode.
8862 * rtlanal.c (truncated_to_mode): Define it.
8863 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8865 2006-02-28 Jeff Law <law@redhat.com>
8867 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8868 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8869 the range allowed by TYPE_PRECISION.
8871 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8873 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8875 PR tree-optimization/26419
8876 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8879 2006-02-27 Zack Weinberg <zackw@panix.com>
8881 * doc/md.texi: Fix typo in previous change.
8883 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8887 2006-02-27 Zack Weinberg <zackw@panix.com>
8889 * rtl.def (define_constraint, define_register_constraint)
8890 (define_memory_constraint, define_address_constraint): New MD forms.
8891 * gensupport.c (process_rtx): Put define_constraint etc on the
8893 * genpreds.c (process_define_predicate): Adjust comment. Validate
8894 the name, and call validate_exp to validate the expression.
8895 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8896 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8897 all callers changed.
8898 (validate_exp, needs_variable, struct constraint_data)
8899 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8900 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8901 (const_dbl_constraints, constraint_max_namelen)
8902 (have_register_constraints, have_memory_constraints)
8903 (have_address_constraints, have_address_constraints)
8904 (have_extra_constraints, have_const_int_constraints)
8905 (have_const_dbl_constraints, mangle, add_constraint)
8906 (process_define_constraint, process_define_register_constraint)
8907 (write_enum_constraint_num, write_lookup_constraint)
8908 (write_insn_constraint_len, write_regclass_for_constraint)
8909 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8910 (write_insn_extra_memory_constraint)
8911 (write_insn_extra_address_constraint)
8912 (write_satisfies_constraint_fns): New.
8913 (write_tm_preds_h): If we have new-style constraint definitions,
8914 prototype the functions generated from them, and define the
8915 old constraint interface (still used by generic code) in terms of
8917 (write_insn_preds_c): If we have new-style constraint definitions,
8918 generate all relevant functions from those definitions.
8919 (main): Handle define_constraint etc.
8920 * genoutput.c (struct constraint_data, indep_constraints)
8921 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8922 (mdep_constraint_len): New data structures and functions, defined
8923 #ifdef USE_MD_CONSTRAINTS.
8924 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8925 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8926 use new logic to validate operand constraints against constraint
8928 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8930 * defaults.h: If none of the old-style constraint macros are
8931 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8932 old-style macros; and poison REG_CLASS_FROM_LETTER,
8933 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8935 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8936 * doc/md.texi: Document new constraint-definition mechanism and the
8937 C interface it provides. Remove references to old mechanism
8938 elsewhere in the document.
8939 (Machine Constraints): Use pathnames relative to gcc directory,
8940 i.e. config/ARCH/FILE. Change i386 section to refer to
8941 config/i386/predicates.md; update that section to match docstrings.
8942 * doc/tm.texi: Move all documentation of the old constraint-
8943 definition macros to their own section, clearly mark as obsolete.
8945 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8946 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8948 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8949 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8950 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8952 (splits and peepholes): Use satisfies_constraint_*.
8953 * config/i386/i386.c (memory_address_length)
8954 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8956 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8958 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8959 scalar operation to be put back into the loop.
8961 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8964 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8965 (extract_cie_info): Handle S flag in augmentation string.
8966 (execute_cfa_program): If context->signal_frame, execute also
8967 fs->pc == context->ra instructions.
8968 (uw_frame_state_for): If context->signal_frame, don't subtract one
8969 from context->ra to find FDE.
8970 (uw_update_context_1): Set context->signal_frame to
8972 (_Unwind_GetIPInfo): New function.
8973 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8974 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8976 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8977 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8978 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8979 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8980 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8981 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8982 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8983 x86_64_fallback_frame_state): Set fs->signal_frame.
8984 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8985 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8986 (frob_update_context): Likewise. Workaround missing S flag in
8987 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8988 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8989 Remove the psw_addr + 1 hack.
8991 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8993 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8994 with aggregates here.
8995 (find_func_aliases): Remove code for &<aggregate> from here.
8997 2006-02-26 Roger Sayle <roger@eyesopen.com>
8999 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9000 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9001 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9004 2006-02-26 Roger Sayle <roger@eyesopen.com>
9007 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9009 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9011 * opts.c (decode_options): Do not handle flag_strength_reduce.
9012 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9013 and OPT_fstrength_reduce.
9014 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9015 flag_prefetch_loop_arrays for being nonzero.
9016 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9018 (fprefetch-loop-arrays-rtl): Removed.
9019 (flag_prefetch_loop_arrays): Do not specify the value.
9021 * doc/passes.texi: Update documentation of loop optimizer
9023 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9024 -frerun-loop-opt): Remove.
9026 2006-02-26 Richard Guenther <rguenther@suse.de>
9028 PR tree-optimization/26421
9029 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9030 in function calls that are ADDR_EXPRs as using the whole structure.
9032 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9034 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9035 * tree-pass.h (pass_loop_optimize): Remove.
9036 * passes.c (pass_loop_optimize): Never run it.
9037 * toplev.c (backend_init): Don't call init_loop.
9038 * opts.c (flag_loop_optimize_set): Remove.
9039 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9040 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9041 the old RTL loop optimizer when profiling enabled.
9042 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9043 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9044 pre-headers for the sake of the old RTL loop optimizer.
9045 * Makefile.in: Remove all references to loop.o.
9047 * doc/invoke.texi: Remove all references to -floop-optimize
9048 and -frerun-loop-opt.
9050 2006-02-26 Zack Weinberg <zackw@panix.com>
9052 * doc/md.texi (Machine Constraints): Refer to all files with paths
9053 relative to gcc directory (i.e. config/CPU/file). Add missing
9054 @table @code ... @end table to M32C subsection.
9056 2006-02-26 Roger Sayle <roger@eyesopen.com>
9058 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9060 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9062 2006-02-26 Roger Sayle <roger@eyesopen.com>
9063 James A. Morrison <phython@gcc.gnu.org>
9066 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9067 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9068 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9069 signedness of the shift operation.
9071 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9073 PR tree-optimization/26359
9074 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9076 2006-02-25 Roger Sayle <roger@eyesopen.com>
9078 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9079 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9080 as X == 0, and some symmetry related transformations.
9081 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9083 2006-02-25 Roger Sayle <roger@eyesopen.com>
9086 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9087 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9088 symmetry related transformations. Fold (X^C1) == C2 as
9091 2006-02-25 Juergen Weigert <jw@suse.de>
9092 Richard Guenther <rguenther@suse.de>
9094 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9096 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9098 * combine.c (gen_lowpart_or_truncate): Call
9099 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9101 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9103 * doc/invoke.texi: Move -fopenmp description to "Options for
9105 Remove reference to -lgomp.
9107 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9109 * doc/install.texi: Require GNU tar version 1.14.
9111 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9113 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9114 * doc/invoke.texi (C++ Dialect Options): Document
9115 -fno-use-cxa-get-exception-ptr.
9116 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9117 * configure: Regenerate.
9118 * c.opt (fuse-cxa-get-exception-ptr): New.
9119 * c-opts.c (c_common_handle_option): Handle
9120 OPT_fuse_cxa_get_exception_ptr.
9121 * c-common.c (flag_use_cxa_atexit): Update documentation.
9122 (flag_use_cxa_get_exception_ptr): New.
9123 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9124 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9126 (C_COMMON_OVERRIDE_OPTIONS): New.
9128 2006-02-24 Roger Sayle <roger@eyesopen.com>
9131 * combine.c (try_combine): Explicitly check whether GET_CODE is
9132 a SET or a CLOBBER, instead on checking that it isn't a USE.
9134 2006-02-24 Roger Sayle <roger@eyesopen.com>
9136 * fold-const.c (fold_comparison): New subroutine of fold_binary
9137 containing transformations common to both the equality and
9138 ordering relational operators, factored out of fold_binary.
9139 (fold_binary): Separate out the equality operators (EQ_EXPR
9140 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9141 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9142 transformations common to both.
9143 (fold_div_compare): Fix latent bugs in the previously unreachable
9144 LT_EXPR and GE_EXPR cases.
9146 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9148 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9149 decl libname for clog to __clog on AIX.
9151 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9153 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9156 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9157 output traceback table for thunks. Localise rs6000_stack_info call.
9159 2006-02-23 Roger Sayle <roger@eyesopen.com>
9160 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9162 * gthr-posix.h (__gthrw): Fix typo in comment.
9164 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9166 * doc/cpp.texi (Character sets): Document that we do support
9167 input files to be in any character set.
9169 2006-02-23 Jeff Law <law@redhat.com>
9171 * tree.h (PHI_ARG_NONZERO): Remove.
9172 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9173 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9174 node to the new node.
9176 PR tree-optimization/26425
9177 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9178 min/max, then assume its varying.
9180 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9182 PR rtl-optimization/26316
9183 * rtlanal.c (enum may_trap_p_flags): New.
9184 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9185 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9186 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9187 (may_trap_after_code_motion_p): New function.
9188 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9189 (find_invariant_insn): Use may_trap_after_code_motion_p.
9190 * rtl.h (may_trap_after_code_motion_p): Declare.
9192 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9194 * emit-rtl.c (immed_double_const): Cleanup.
9196 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9198 Fix PR tree-optimization/26376
9199 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9202 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9205 * gimplify.c (omp_add_variable): Guard variable size decl test with
9206 DECL_SIZE (decl) check.
9208 2006-02-23 Richard Guenther <rguenther@suse.de>
9211 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9212 like aggregate types.
9214 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9216 * configure.ac: Add --with{,out}-long-double-128 configure option.
9217 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9218 * configure: Rebuilt.
9219 * config.in: Rebuilt.
9220 * doc/install.texi (Options specification): Document
9221 --with-long-double-128.
9223 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9224 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9225 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9226 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9228 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9230 * config/s390/s390.c (override_options): Handle
9231 TARGET_DEFAULT_LONG_DOUBLE_128.
9233 * config/alpha/alpha.c (override_options): Handle
9234 TARGET_DEFAULT_LONG_DOUBLE_128.
9236 * config/sparc/sparc.c (sparc_override_options): Handle
9237 TARGET_DEFAULT_LONG_DOUBLE_128.
9239 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9241 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9242 (real-install-headers-tar, real-install-headers-cpio)
9243 (real-install-headers-cp): New targets.
9245 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9247 * tree.h (variable_section): Delete.
9248 * varasm.c (variable_section): Delete.
9250 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9252 * install.texi: Add notes on install.texi2html.
9253 (Building in parallel): Do not use footnotes.
9255 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9258 * doc/install.texi (Configuration): Document --disable-libgomp.
9260 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9262 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9264 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9266 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9267 (vec_extractv2df_0_sse): New.
9269 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9271 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9272 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9273 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9274 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9275 to the result of the expression.
9276 (def_cfa_1): Adjust.
9277 (frame_pointer_cfa_offset): Rename to...
9278 (frame_pointer_fb_offset): ... this. Adjust all uses.
9279 (convert_cfa_to_loc_list): Rename to...
9280 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9281 Pass it on to build_cfa_loc.
9282 (compute_frame_pointer_to_cfa_displacement): Rename to...
9283 (compute_frame_pointer_to_fb_displacement): ... this. New
9284 offset parameter. Use it in computation.
9285 (gen_subprogram_die): Compute cfa_fb_offset with the new
9286 macro, and use it to compute the fb loc list and the
9289 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9291 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9292 replaced with register_operand.
9293 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9294 non-DREG is expensive.
9295 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9296 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9299 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9301 * doc/install.texi2html: Use set -e.
9303 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9305 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9306 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9307 * doc/invoke.texi (-fshared-data): Delete.
9308 * common.opt (fshared-data): Delete.
9309 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9310 (assemble_static_space): Remove #if 0 code.
9311 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9312 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9313 * config/cris/cris.h: Remove FIXME.
9315 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9317 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9320 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9323 * combine.c (simplify_shift_const_1): Disable nested shifts
9324 optimization for vector shifts.
9326 2006-02-20 Roger Sayle <roger@eyesopen.com>
9328 PR tree-optimization/26361
9329 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9330 of unsigned integer types.
9332 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9334 * tree-chrec.c (eq_evolutions_p): New.
9335 * tree-chrec.h (eq_evolutions_p): Declared.
9336 * tree-data-ref.c: Fix formatting.
9337 (datadep_stats, dependence_stats): New.
9339 (print_direction_vector): New.
9340 (dump_data_dependence_relation): Use print_direction_vector.
9341 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9342 (compute_subscript_distance): Static.
9343 (initialize_data_dependence_relation): Static. Get the number
9344 of loops surrounding the references from the callers, and initialize
9345 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9346 base_object_differ_p analyzers.
9347 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9348 compute_overlap_steps_for_affine_1_2,
9349 analyze_subscript_affine_affine): Count the classified dependences.
9350 Print a message when a test failed.
9351 (can_use_analyze_subscript_affine_affine): New.
9352 (analyze_siv_subscript): Compute the data dependences on symbolic
9353 scevs that verify can_use_analyze_subscript_affine_affine.
9354 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9355 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9356 Handle symbolic scevs.
9357 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9359 (subscript_dependence_tester): Moved...
9360 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9361 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9362 DDR_SIZE_VECT instead of getting it in parameter.
9363 (subscript_dependence_tester): ... here. Take as a parameter
9364 loop_nest_depth. Call build_classic_dist_vector and
9365 build_classic_dir_vector.
9366 (compute_affine_dependence): Update subscript_dependence_tester
9367 parameters. Update datadep_stats counters. Call
9368 compute_subscript_distance.
9369 (compute_self_dependence): Save the dist and dir vectors. Call
9370 compute_subscript_distance.
9371 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9372 (compute_all_dependences): Reorder parameters as they were before
9373 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9374 compute_subscript_distance. Update the use of
9375 compute_affine_dependence and initialize_data_dependence_relation.
9376 (find_data_references_in_loop): Handle COMPONENT_REF.
9377 (compute_data_dependences_for_loop): Initialize dependence_stats.
9378 Don't call build_classic_dist_vector and build_classic_dir_vector.
9379 Update the parameters of initialize_data_dependence_relation and
9380 compute_all_dependences. Print the statistics from datadep_stats.
9381 (analyze_all_data_dependences): Static. Not used until the pass for
9382 checking the data dependences is contributed.
9383 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9384 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9385 (initialize_data_dependence_relation, compute_affine_dependence,
9386 analyze_all_data_dependences, compute_subscript_distance): Removed.
9387 (print_direction_vector): New.
9388 * lambda.h (gcd): ... here.
9389 (lambda_vector_gcd): Moved here from gcd_vector.
9390 * lambda-code.c (gcd, gcd_vector): Removed.
9391 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9392 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9394 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9396 * ipa-type-escape.c: Tidy some comments and white space.
9397 * tree-ssa-operands.c: Likewise.
9399 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9402 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9403 (dump_decl_name): Do not walk the decl tree chains.
9404 * tree-pass.h (TDF_CHAIN): Remove.
9406 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9408 * Makefile.in (C): Remove
9410 (.PHONY): Remove C and PROTO
9412 2006-02-20 Roger Sayle <roger@eyesopen.com>
9415 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9416 deprecated CHAR_TYPE tree code.
9418 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9420 * configure.ac (target_list): Add install-info, dvi, html.
9421 * configure: Regenerate.
9423 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9424 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9425 treelang/Make-lang.in: Do not use double-colon rules.
9427 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9429 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9430 (TMT_USED_ALONE): New macro.
9431 * tree-pass.h (PROP_tmt_usage): New property.
9432 (TODO_update_tmt_usage): New todo.
9433 * tree-ssa-alias.c (updating_used_alone): New variable.
9434 (recalculate_used_alone): New function.
9435 (compute_may_aliases): Set updating_used_alone, call
9436 recalculate_used_alone.
9437 * tree-sra.c (pass_sra): Note that this pass destroys
9438 PROP_tmt_usage, and add TODO_update_tmt_usage.
9439 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9440 * tree-flow.h (updating_used_alone): Prototype.
9441 (recalculate_used_alone): Ditto.
9442 * passes.c (execute_todo): Add code to set updating_used_alone,
9443 and call recalculate.
9444 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9445 for clobber if used alone, and add assert to verify used_alone
9448 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9450 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9451 for non tls symbols added.
9452 (legitimize_address): Do nothing for PLUS expressions if one of the
9453 addends is a tls symbol reference.
9455 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9459 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9461 * Makefile.in (BOOTSTRAPPING): New.
9462 (quickstrap): New definition if BOOTSTRAPPING=yes.
9464 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9465 * configure.ac: Substitute all_selected_languages with the languages
9466 that were configured. For all the other variables except
9467 lang_specs_files, include all the languages in the tree.
9468 * configure: Regenerate.
9470 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9471 if there is one. Run the commands to run fixincludes in the same
9474 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9475 * doc/install.texi: Document exact conventions for searching target tools.
9476 Document --with-build-time-tools. Document toplevel bootstrap. Document
9477 something more about building an Ada cross-compiler. Don't list GNU Make
9478 requirements which affect all platforms.
9480 2006-02-19 Roger Sayle <roger@eyesopen.com>
9483 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9484 only equivalent if the have both the same mode and precision.
9486 2006-02-20 Ben Elliston <bje@au.ibm.com>
9488 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9490 2006-02-19 Roger Sayle <roger@eyesopen.com>
9491 Steven Bosscher <stevenb.gcc@gmail.com>
9493 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9494 constant pool references to identify stack mode constants.
9495 * rtlanal.c (constant_pool_constant_p): New predicate to check
9496 whether operand is a floating point constant in the pool.
9497 * rtl.h (constant_pool_constant_p): Prototype here.
9498 * loop.c (scan_loop): Avoid hoisting constants from the constant
9499 pool on STACK_REGS targets.
9500 (load_mems): Likewise.
9501 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9502 loads into x87 registers expensive in terms of register pressure.
9504 2006-02-19 Roger Sayle <roger@eyesopen.com>
9506 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9507 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9509 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9511 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9512 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9514 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9516 * doc/invoke.texi: Document -fipa-pta.
9517 * common.opt: Add ipa-pta option.
9518 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9519 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9520 (do_ds_constraint): Ditto.
9521 (get_constraint_for): Only add to referenced_vars if
9522 referenced_vars exists.
9523 (insert_into_field_list): Rewrite to do this unsorted.
9524 (insert_into_field_list_sorted): Rename old insert_into_field_list
9526 (create_function_info_for): Use insert_into_field_list_sorted.
9527 (create_variable_info_for): Rewrite so it uses unsorted version,
9528 since the field list is sorted.
9529 (intra_create_variable_infos): Only add to referenced_vars if
9530 referenced_vars exists.
9531 (ipa_pta_execute): Init heapvars, and delete when done.
9532 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9534 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9536 * doc/install.texi: Add missing `@samp'.
9538 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9540 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9543 2006-02-18 Mark Wielaard <mark@klomp.org>
9545 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9546 who added new 4.1 features, bug fixes and integration support.
9548 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9551 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9554 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9556 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9557 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9558 (copy_insn_1): Likewise. Don't copy each field individually.
9560 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9562 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9563 * rtl.c (rtx_size): Rename variable to...
9564 (rtx_code_size): ...this.
9565 (rtx_size): New function.
9566 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9567 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9569 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9570 * rtl.h (rtx_code_size): New variable.
9571 (rtx_size): Change from a variable to a function.
9572 (RTX_SIZE): Rename to...
9573 (RTX_CODE_SIZE): ...this.
9576 PR tree-optimization/17106
9577 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9578 (Anchored Addresses): New section.
9579 * doc/invoke.texi (-fsection-anchors): Document.
9580 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9581 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9582 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9583 * hooks.c (hook_bool_mode_rtx_false): New function.
9584 * hooks.h (hook_bool_mode_rtx_false): Declare.
9585 * gengtype.c (create_optional_field): New function.
9586 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9587 SYMBOL_REF_IN_BLOCK_P is true.
9588 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9589 (min_anchor_offset, max_anchor_offset): Likewise.
9590 (use_anchors_for_symbol_p): New hook.
9591 * toplev.c (compile_file): Call output_object_blocks.
9592 (target_supports_section_anchors_p): New function.
9593 (process_options): Check that -fsection-anchors is only used on
9594 targets that support it and when -funit-at-a-time is in effect.
9595 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9596 if the decl doesn't have one.
9597 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9598 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9599 of force_const_mem through use_anchored_address.
9600 (expand_expr_constant): New function.
9601 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9602 calling expand_expr for INDIRECT_REF.
9603 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9604 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9605 * expr.h (use_anchored_address): Declare.
9606 * loop-unroll.c: Don't declare rtx vectors here.
9607 * explow.c: Include output.h.
9608 (validize_mem): Call use_anchored_address.
9609 (use_anchored_address): New function.
9610 * common.opt (-fsection-anchors): New switch.
9611 * varasm.c (object_block_htab, anchor_labelno): New variables.
9612 (hash_section, object_block_entry_eq, object_block_entry_hash)
9613 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9614 (use_blocks_for_decl_p, change_symbol_section): New functions.
9615 (get_variable_section): New function, split out from assemble_variable.
9616 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9617 use_blocks_for_decl_p say so. Use change_symbol_section if the
9618 symbol has already been created.
9619 (assemble_variable_contents): New function, split out from...
9620 (assemble_variable): ...here. Don't output any code for
9621 block symbols; just pass them to place_block_symbol.
9622 Use get_variable_section and assemble_variable_contents.
9623 (get_constant_alignment, get_constant_section, get_constant_size): New
9624 functions, split from output_constant_def_contents.
9625 (build_constant_desc): Create a block symbol if use_object_blocks_p
9626 says so. Or into SYMBOL_REF_FLAGS.
9627 (assemble_constant_contents): New function, split from...
9628 (output_constant_def_contents): ...here. Don't output any code
9629 for block symbols; just pass them to place_section_symbol.
9630 Use get_constant_section and get_constant_alignment.
9631 (force_const_mem): Create a block symbol if use_object_blocks_p and
9632 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9633 (output_constant_pool_1): Add an explicit alignment argument.
9634 Don't switch sections here.
9635 (output_constant_pool): Adjust call to output_constant_pool_1.
9636 Switch sections here instead. Don't output anything for block symbols;
9637 just pass them to place_block_symbol.
9638 (init_varasm_once): Initialize object_block_htab.
9639 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9640 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9641 (place_block_symbol, get_section_anchor, output_object_block)
9642 (output_object_block_htab, output_object_blocks): New functions.
9643 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9644 (TARGET_ASM_OUT): Include it.
9645 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9646 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9647 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9648 (TARGET_INITIALIZER): Include them.
9649 * rtl.c (rtl_check_failed_block_symbol): New function.
9650 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9651 (block_symbol, object_block): New structures.
9652 (rtx_def): Add a block_symbol field to the union.
9653 (BLOCK_SYMBOL_CHECK): New macro.
9654 (rtl_check_failed_block_symbol): Declare.
9655 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9656 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9657 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9658 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9659 * output.h (output_section_symbols): Declare.
9660 (object_block): Name structure.
9661 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9662 (default_use_anchors_for_symbol_p): Declare.
9663 * Makefile.in (RTL_BASE_H): Add vec.h.
9664 (explow.o): Depend on output.h.
9665 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9666 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9667 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9668 (rs6000_use_blocks_for_constant_p): New function.
9670 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9672 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9674 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9677 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9680 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9682 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9686 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9689 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9690 instead of DECL_REGISTER.
9692 2006-02-18 Olivier Hainque <hainque@adacore.com>
9695 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9697 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9700 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9701 * opth-gen.awk: Handle Var and InverseMask together.
9702 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9703 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9704 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9705 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9707 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9708 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9709 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9710 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9711 LINUX_DYNAMIC_LINKER): Define.
9712 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9713 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9715 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9716 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9717 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9719 (TARGET_C99_FUNCTIONS): Don't define.
9720 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9721 GLIBC_DYNAMIC_LINKER.
9722 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9723 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9724 GLIBC_DYNAMIC_LINKER64): Define.
9725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9726 LINUX_DYNAMIC_LINKER64.
9727 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9729 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9730 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9731 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9732 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9733 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9734 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9735 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9736 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9737 and LINUX_DYNAMIC_LINKER32.
9738 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9740 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9741 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9742 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9744 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9745 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9746 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9747 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9748 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9749 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9750 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9751 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9752 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9753 LINUX_DYNAMIC_LINKER): Define.
9754 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9755 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9756 GLIBC_DYNAMIC_LINKER64): Define.
9757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9758 LINUX_DYNAMIC_LINKER64.
9759 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9760 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9761 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9762 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9763 LINUX_DYNAMIC_LINKER): Define.
9764 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9765 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9766 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9767 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9768 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9769 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9770 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9771 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9772 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9773 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9774 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9775 * doc/invoke.texi (-muclibc): Remove caveat about supported
9778 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9780 * doc/cpp.texi (__TIMESTAMP__): Document.
9782 2006-02-17 Roger Sayle <roger@eyesopen.com>
9785 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9786 C is one less than the width of X (and related transformations).
9787 * simplify-rtx.c (simplify_unary_operation_1): Transform
9788 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9789 depending on STORE_FLAG_VALUE, were C is one less then the
9792 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9794 Fix PR tree-optimization/26341
9795 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9796 about NAME_MEMORY_TAG's.
9798 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9801 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9802 with hardware float support, and software float support. Add fcpy
9803 alternative to hardware patterns. Add alternatives to copy between
9804 general and floating-point registers to the 32-bit pattern.
9805 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9806 secondary reload to load a QI or HI mode constant into a floating
9808 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9809 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9811 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9814 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9816 (load_macho_picbase_di): Likewise.
9818 2006-02-16 Jeff Law <law@redhat.com>
9820 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9821 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9822 (ssa_name_nonzero_p): Likewise.
9823 (get_value_range): Return NULL if VRP is not running.
9824 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9825 VRP routines do not discover a range.
9826 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9827 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9828 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9829 (tree_expr_nonnegative_p): Similarly.
9830 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9831 (restore_nonzero_vars_to_original_value): Remove.
9832 (unsafe_associative_fp_binop): Remove.
9833 (tree_ssa_dominator_optimize): Remove initialization and
9834 finalization of nonzero_vars and nonzero_vars_stack.
9835 (dom_opt_initialize_block): No longer push marker on
9837 (dom_opt_finalize_block): No longer call
9838 restore_nonzero_vars_to_original_value.
9839 (record_equivalences_from_phis): No longer look for
9840 nonzero PHI arguments.
9841 (cprop_into_successor_phis): No longer propagate nonzero
9842 property into PHI arguments. Lose unused argument. Caller
9844 (record_equivalences_from_stmt): No longer record nonzero
9845 values for SSA_NAMEs.
9846 (lookup_avail_expr): No longer use nonzero_vars.
9848 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9849 for sizetype when sizetype is unsigned.
9851 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9853 PR rtl-optimization/25603
9854 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9855 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9856 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9857 with new meaning of SETS.
9859 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9864 * config/linux.opt: New file.
9865 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9866 LINUX_DYNAMIC_LINKER): Define.
9867 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9868 * config.gcc (*-*-linux*): Define extra_options.
9869 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9870 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9871 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9872 GLIBC_DYNAMIC_LINKER.
9873 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9874 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9875 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9876 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9877 * doc/invoke.texi (GNU/Linux Options): New section.
9879 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9881 * config/sparc/sparc.md (setjmp): Rewrite.
9882 (setjmp_32): Delete.
9883 (setjmp_64): Likewise.
9885 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9887 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9890 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9892 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9895 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9897 PR rtl-optimization/26296
9898 * Makefile.in (loop-invariant.c): Add except.h dependency.
9899 * loop-invariant.c: Include except.h.
9900 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9902 2005-02-16 Paul Brook <paul@codesourcery.com>
9904 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9907 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9909 PR rtl-optimization/25636
9910 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9911 when deciding whether an insn is an initializing insn.
9913 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9915 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9916 (tree_code_size): Ditto.
9917 * tree.h (struct tree_memory_tag): Remove parent_var.
9918 (struct tree_struct_field_tag): New.
9921 (union tree_node): Add sft member.
9922 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9924 (create_sft): Add size and offset argument, set SFT_OFFSET and
9926 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9927 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9928 * tree-flow-inline.h (get_subvar_at): Update for
9929 SFT_OFFSET/SFT_SIZE.
9930 (var_can_have_subvars): Ditto.
9931 (overlap_subvar): Ditto.
9932 * print-tree.c (print_node): Print out interesting things for
9934 * tree-flow.h (struct subvar): Remove offset and size members.
9935 * tree-ssa-operands.c (get_expr_operands): Update for
9936 get_indirect_ref_operands changes.
9937 (get_indirect_ref_operands): Call add_virtual_operand instead of
9938 add_stmt_operand. Only recurse on base var if requested.
9939 (access_can_touch_variable): New function.
9940 (add_stmt_operand): Split virtual operand handling into ...
9941 (add_virtual_operand): Here. Add offset, size, and for_clobber
9942 arguments. Prune alias sets.
9943 (add_call_clobber_ops): Call add_virtual_operand.
9945 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9948 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9950 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9951 than TREE_CODE as index into omp_clause_num_ops array.
9953 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9955 PR rtl-optimization/26184
9956 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9958 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9959 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9960 must_precede, must_follow and tobe_scheduled.
9963 * opts.c (common_handle_option): Free new_option pointer.
9964 * df-core.c (df_analyze): Free postorder pointer.
9966 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9968 * Makefile.in: Fix the examples about the use of stamps
9970 2006-02-15 Michael Matz <matz@suse.de>
9974 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9975 influenced by maximum_field_alignment or DECL_PACKED.
9976 (update_alignment_for_field): Ditto.
9977 (place_field): Ditto.
9978 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9981 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9983 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9984 (debug_flow_info): Pass it.
9985 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9986 * bb-reorder.c (reorder_basic_blocks): Likewise.
9987 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9988 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9989 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9990 * gcse.c (gcse_main, bypass_jumps): Likewise.
9991 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9992 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9993 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9994 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9995 * rtl.h (dump_flow_info): Adjust prototype.
9996 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9997 * var-tracking.c (variable_tracking_main): Likewise.
9998 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9999 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10002 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10004 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10007 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10009 PR tree-optimization/26209
10010 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10011 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10013 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10015 2006-02-14 Roger Sayle <roger@eyesopen.com>
10017 PR middle-end/23670
10018 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10019 (X,Y) and the corresponding symmetry related transformations.
10020 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10021 (X,Y) and its symmetry related transformations.
10023 2006-02-14 Roger Sayle <roger@eyesopen.com>
10025 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10028 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10030 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10032 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10035 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10036 support COMDAT group.
10037 * configure: Regenerate.
10039 2006-02-14 Roger Sayle <roger@eyesopen.com>
10041 PR middle-end/26279
10042 PR middle-end/26280
10043 PR middle-end/26283
10044 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10046 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10048 Fix PR tree-optimization/26260
10050 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10052 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10053 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10054 * tree-ssa-structalias.c (create_variable_info_for): Use
10055 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10057 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10059 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10061 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10062 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10063 of the ending condition.
10064 * tree-ssa-loop-manip.c: Include params.h.
10065 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10066 tree_unroll_loop): New functions.
10067 * tree-pass.h (pass_loop_prefetch): Declare.
10068 * loop.c (rest_of_handle_loop_optimize): Test for
10069 -fprefetch-loop-arrays-rtl.
10070 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10071 * timevar.def (TV_TREE_PREFETCH): New timevar.
10072 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10073 pass_loop_prefetch): New.
10074 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10075 (cleanup_tree_cfg_loop): Call scev_reset.
10076 * common.opt (fprefetch-loop-arrays-rtl): Add.
10077 * tree-ssa-loop-prefetch.c: New file.
10078 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10079 (new_temp_expr_table): Initialize expr_vars.
10080 (free_temp_expr_table): Cleanup expr_vars.
10081 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10082 expressions from being merged into one.
10083 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10084 (struct tree_niter_desc): Add control, bound and cmp fields.
10085 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10087 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10088 (tree-cfgcleanup.o): Add SCEV_H dependency.
10089 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10090 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10092 2006-02-14 Richard Guenther <rguenther@suse.de>
10094 PR tree-optimization/26258
10095 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10096 in PHI argument processing.
10098 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10100 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10101 new expression in the requested machine mode.
10103 2006-02-13 Roger Sayle <roger@eyesopen.com>
10105 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10106 directly, instead let do_compare_rtx_and_jump handle this for us.
10107 * expr.c (expand_expr_real_1): Likewise.
10108 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10109 before do_jump_by_parts_greater.
10110 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10111 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10113 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10115 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10117 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10119 PR rtl-optimization/26235
10120 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10121 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10124 2006-02-13 Jeff Law <law@redhat.com>
10126 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10129 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10131 PR middle-end/26092
10132 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10133 twice if decl is a builtin. When trying again, call get_callee_fndecl
10134 first to verify it is still a builtin.
10136 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10138 * dwarf2out.c (base_type_die): Don't add AT_name here.
10139 (subrange_type_die): Don't add AT_name here.
10140 (modified_type_die): Rearrange code flow. Do add AT_name here.
10142 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10144 PR rtl-optimization/26247
10145 PR rtl-optimization/26248
10146 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10148 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10150 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10151 * config/fixtfdi.c: Likewise.
10152 * config/fixunstfdi.c: Likewise.
10153 * config/floatditf.c: Likewise.
10155 2006-02-13 Roger Sayle <roger@eyesopen.com>
10157 PR middle-end/24427
10158 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10159 into (X,C2) if C1 is a subset of the bits of C2. Transform
10160 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10162 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10164 2006-02-13 Josh Conner <jconner@apple.com>
10167 * varasm.c (function_section): Check for section name before
10168 calling select_section on targets that define
10169 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10170 unlikely_text_section instead of hot_function_section if
10171 first_function_block_is_cold.
10173 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10175 PR middle-end/25335
10176 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10178 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10180 PR rtl-optimization/26222
10181 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10182 after tree->rtl expansion.
10183 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10184 before passing it to emit_move_insn.
10186 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10188 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10190 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10191 Clarify documentation.
10192 * c-common.h (warn_write_strings): Remove.
10193 * c-common.c (warn_write_strings): Likewise.
10194 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10197 2006-02-12 Roger Sayle <roger@eyesopen.com>
10199 PR middle-end/25724
10200 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10201 (do_jump_parts_zero_rtx): New function renamed from
10202 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10203 (do_jump_parts_equality_rtx): New function split out from
10204 do_jump_parts_equality. Old implementation renamed as above.
10205 Call do_jump_parts_zero_rtx if either operand is zero.
10206 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10207 do all of the heavy lifting.
10208 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10209 calling either do_jump_by_parts_greater_rtx or
10210 do_jump_by_parts_equality_rtx.
10211 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10212 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10213 moved to do_compare_rtx_and_jump, call it directly.
10214 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10215 mode argument. Call do_compare_rtx_and_jump.
10216 (emit_case_nodes): Update calls to do_jump_if_equal.
10218 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10220 PR rtl-optimization/26225
10221 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10223 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10225 PR rtl-optimization/26232
10226 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10228 2006-02-11 Jason Merrill <jason@redhat.com>
10231 * tree-inline.c (declare_return_variable): Just don't use the
10232 modify target if it's a gimple complex reg and the return slot
10235 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10237 * doc/contrib.texi: Update my entry.
10239 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10241 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10243 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10245 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10248 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10250 * doc/invoke.texi (-floop-optimize2): Removed.
10251 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10252 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10253 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10254 * common.opt (floop-optimize2): Removed.
10255 (fmove-loop-invariants): Enabled by default.
10257 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10259 * tree-if-conv.c (combine_blocks): Free the result of
10260 get_loop_exit_edges.
10262 2006-02-10 Jeff Law <law@redhat.com>
10264 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10266 PR tree-optimization/26213
10267 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10268 loop trying to follow SSA_NAME_VALUE chains.
10270 2006-02-10 Richard Guenther <rguenther@suse.de>
10272 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10273 deal with structures that end in implicitly variable sized arrays.
10275 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10277 PR rtl-optimization/24762
10278 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10281 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10283 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10284 (struct ivopts_data): Add regs_used field.
10285 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10286 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10287 instead of loop_data->regs_used;
10288 (free_loop_data): Do not free aux fields for loops.
10289 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10290 and tree_ssa_iv_optimize_finalize.
10292 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10294 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10296 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10299 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10300 computing the effective result type.
10302 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10304 PR inline-asm/16194
10305 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10306 (tree_overlaps_hard_reg_set): Declare.
10307 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10308 type and signature to match function type expected by walk_tree.
10309 (tree_overlaps_hard_reg_set): New function.
10310 (decl_conflicts_with_clobbers_p): Rename to:
10311 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10312 Use tree_overlaps_hard_reg_set. Changed caller.
10313 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10314 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10315 * cris.c (cris_md_asm_clobbers): Likewise.
10317 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10319 * reload1.c (emit_input_reload_insns): Delete code that tries to
10320 inherit using find_equiv_reg.
10322 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10324 * c-common.h (flag_const_strings): Don't declare.
10325 * c-common.c (flag_const_strings): Remove.
10326 * c.opt (fconst_strings): Remove.
10327 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10328 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10329 (c_common_init_options): Don't set flag_const_strings.
10330 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10332 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10334 * arm.md (tlobits_cbranch): New pattern.
10335 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10336 testing a single bit.
10338 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10341 * tree-ssa-pre.c (create_component_ref_by_pieces):
10342 Handle RETURN_DECL like VAR_DECL.
10344 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10346 PR middle-end/26134
10347 * fold-const.c (fold_indirect_ref_1): Fold
10348 "*(foo *)&complexfoo" to "__real__ complexfoo"
10349 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10351 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10353 * tree-flow-inline.h (var_can_have_subvars):
10354 Volatile variables should not have subvariables.
10356 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10359 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10360 multiplying unsigned values.
10363 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10365 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10367 2006-02-08 Jason Merrill <jason@redhat.com>
10370 * tree.def: Elaborate on difference from MODIFY_EXPR.
10371 * doc/c-tree.texi (INIT_EXPR): Likewise.
10372 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10373 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10374 (gimplify_target_expr): Likewise.
10375 (gimplify_cond_expr): Remove target handling.
10376 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10377 (gimplify_expr): Clobber it here.
10378 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10379 Do return slot optimization if we have an INIT_EXPR.
10382 * tree-inline.c (declare_return_variable): Also clear
10383 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10386 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10388 PR middle-end/22439
10389 * gimplify.c (gimplify_one_sizepos): Fix typo.
10391 2006-02-08 Jeff Law <law@redhat.com>
10393 PR tree-optimization/21417
10394 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10395 across a backedge if the control statement at the end of the
10396 block is data dependent on other statements in the same block.
10397 (record_temporary_equivalences_from_stmts): Remove over-conservative
10398 test for threading across backedges.
10400 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10401 control statement, handle all three special cases in the same
10402 manner as they all have the same desired solution. No longer
10403 special case edge flag updating when the post dominator is
10406 2006-02-08 Roger Sayle <roger@eyesopen.com>
10408 * tree.def (CHAR_TYPE): Remove.
10409 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10410 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10411 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10412 (gen_string_type_die): Delete unreachable function.
10414 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10415 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10416 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10417 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10418 * builtins.c (type_to_class): Likewise.
10419 * fold-const.c (fold_convert, build_range_check,
10420 merge_ranges): Likewise.
10421 * expr.c (count_type_elements): Likewise.
10422 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10423 * stor-layout.c (layout_type): Likewise.
10424 * ipa-type-escape.c (type_to_consider): Likewise.
10425 * gimplify.c (omp_firstprivatize_type_sizes,
10426 gimplify_type_sizes): Likewise.
10427 * explow.c (promote_mode): Likewise.
10428 * tree-sra.c (is_sra_scalar_type): Likewise.
10429 * varasm.c (output_constant): Likewise.
10430 * tree-inline.c (remap_type_1): Likewise.
10431 * convert.c (convert_to_pointer, convert_to_real,
10432 convert_to_integer, convert_to_complex): Likewise.
10434 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10436 * df-scan.c (df_def_record_1): A set destination may
10437 be a parallel regardless of mode.
10439 2006-02-08 Roger Sayle <roger@eyesopen.com>
10442 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10443 * config/mips/_tilib.c: Remove.
10444 * config/fixtfdi.c: New libgcc source file.
10445 * config/fixunstfdi.c: New source file.
10446 * config/floatditf.c: New source file.
10447 * config/floatunditf.c: New souce file.
10448 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10449 files above instead of config/mips/_tilib.c.
10450 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10452 2006-02-08 Jeff Law <law@redhat.com>
10454 PR tree-optimization/26169
10455 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10458 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10460 * df.h (DF_REG_SIZE): Return the length of the initialized
10463 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10465 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10466 __muldf3): Return a correctly signed zero.
10468 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10470 * passes.c (register_one_dump_file): Accept the current properties
10471 instead of pass number. Adjust call to dump_register. Remove
10473 (register_dump_files): Now a wrapper around...
10474 (register_dump_files_1): ... this one. Do not modify the pass
10476 (next_pass_1): Cosmetic fix.
10477 (execute_todo): Keep second parameter only. Use curr_properties
10478 instead of fetching it from the pass structure. Check and set
10480 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10481 instead of fetching it from the pass structure. Fix calls to
10482 execute_todo. Update curr_properties and initialize .vcg RTL dump
10483 after running the pass. Reset last_verified.
10484 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10486 (FIRST_AUTO_NUMBERED_DUMP): New.
10487 (dump_register): Remove "num" parameter, assign it within the
10489 (get_dump_file_name): Modify template for dumps.
10490 * tree-dump.h (dump_register): Adjust prototype.
10491 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10492 (PROP_trees): Add PROP_gimple_lomp.
10493 (TODO_set_props): New.
10494 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10495 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10496 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10498 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10500 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10501 (sparc64-*-linux*): Likewise.
10502 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10503 * config/sparc/t-linux: New file.
10504 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10505 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10506 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10507 -m32 -mlong-double-128.
10509 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10510 * config/alpha/t-linux: New file.
10511 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10513 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10514 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10515 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10516 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10517 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10518 (CPP_ARCH32_SPEC): Remove.
10520 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10522 PR tree-optimization/26145
10523 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10526 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10529 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10530 >= 240000 when generating code for SOM runtime.
10531 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10532 to $$dyncall when generating code for SOM runtime..
10534 2006-02-07 Dirk Mueller <dmueller@suse.com>
10537 * doc/invoke.texi (-Wsequence-point): Update documentation
10538 that -Wsequence-point is implemented for C++ as well.
10540 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10542 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10543 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10544 (LIB_SPEC): Likewise.
10545 * doc/invoke.texi (SPARC options): Document -pthread.
10547 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10549 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10552 2006-02-07 Roger Sayle <roger@eyesopen.com>
10554 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10555 Correct comment describing BOOLEAN_TYPE.
10557 2006-02-07 Dirk Mueller <dmueller@suse.com>
10559 * c.opt: C++ frontend supports -Wdiv-by-zero.
10560 * c-opts.c (c_common_handle_option): Remove dead case.
10562 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10564 * configure.ac (TLS assembler check): Do not enable TLS by
10565 default on SPARC/Solaris before version 10.
10566 * configure: Regenerate.
10568 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10570 * doc/invoke.texi (xl-compat): Document conversion and support
10573 2006-02-07 Jeff Law <law@redhat.com>
10575 * tree-vrp.c (find_conditional_asserts): Update comments.
10576 (simplify_stmt_for_jump_threading): New.
10577 (identify_jump_threads, finalize_jump_threads): New.
10578 (vrp_finalize): Call identify_jump_threads.
10579 (execute_vrp): Call finalize_jump_threads.
10580 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10581 (vrp_element, vrp_data, vrp_element_p): Remove.
10582 (vrp_hash_elt, vrp_variables_stack): Remove.
10583 (vrp_hash, vrp_eq, record_range): Remove.
10584 (simplify_cond_and_lookup_avail_expr): Remove.
10585 (extract_range_from_cond): Remove.
10586 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10587 (simplify_stmt_for_jump_threading): New.
10588 (dom_thread_across_edge): New wrapper.
10589 (tree_ssa_dominator_optimize): No longer initialize or
10590 finalize any of the VRP datastructures. Remove iteration
10591 step and simplify as a result of removal of iteration step.
10592 (pass_dominator): Perform a cfg cleanup after DOM.
10593 (dom_opt_finalize_block): Use the new common routines
10594 for threading jumps. Simplify stack management slightly.
10595 No longer need to unwind VRP state.
10596 (record_equivalences_from_incoming_edge): No longer record
10598 (eliminate_redundant_computations): No longer call
10599 simplify_cond_and_lookup_avail_expr.
10600 * tree-flow.h (potentially_threadable_block): Prototype.
10601 (thread_across_edge): Likewise.
10602 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10603 (tree-ssa-threadedge.o): Add dependencies.
10604 * tree-ssa-threadedge.c: New file.
10605 * passes.c (init_optimization_passes): Merge PHIs before
10606 calling VRP. Run VRP again late in the SSA optimization pipeline.
10608 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10610 * df-core.c (df_set_blocks): Do not dereference function pointers.
10611 (df_finish1): Likewise.
10612 (df_hybrid_search_forward): Likewise.
10613 (df_hybrid_search_backward): Likewise.
10614 (df_iterative_dataflow): Likewise.
10615 (df_analyze_problem): Likewise.
10616 (df_compact_blocks): Likewise.
10617 (df_dump): Likewise.
10618 * df-scan.c (df_rescan_blocks): Likewise.
10619 (df_record_entry_block_defs): Likewise.
10621 * genconditions.c (write_conditions): Guard the definition of
10622 'insn_conditions' with the check on GCC version.
10623 (write_writer): Guard the traversal 'insn_conditions' with
10624 the check on GCC version.
10626 2006-02-07 Richard Guenther <rguenther@suse.de>
10630 2006-01-30 Richard Guenther <rguenther@suse.de>
10632 * gimplify.c (gimplify_target_expr): Handle easy cases
10633 without creating a temporary.
10635 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10637 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10638 use of float in probability computations. Use edge probabilities
10639 in place of statically computed probabilities.
10640 (min_spec_prob): New static variable.
10641 (schedule_insns): Initialize it.
10642 (GET_SRC_PROB): Removed.
10643 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10645 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10648 * config/ia64/unwind-ia64.c: Revert last change.
10649 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10650 (INCOMING_FRAME_SP_OFFSET): Define.
10652 2006-02-06 Roger Sayle <roger@eyesopen.com>
10654 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10656 2006-02-07 Ben Elliston <bje@au.ibm.com>
10658 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10659 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10660 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10661 (ix86_return_in_memory): Handle TDmode.
10662 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10663 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10665 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10667 * reorg.c (dbr_schedule): Use dump_file instead of file.
10669 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10672 * config/ia64/predicates.md (extr_len_operand): New predicate.
10673 * config/ia64/ia64.md (extv): Tighten constraints.
10675 (*tbit_and_2): Ditto.
10676 (*tbit_and_3): Ditto.
10677 (*tbit_or_2): Ditto.
10678 (*tbit_or_3): Ditto.
10679 (*bit_zero): Ditto.
10682 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10685 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10687 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10689 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10690 loop_optimizer_init and loop_optimizer_finalize
10691 * tree-ssa-sink.c (execute_sink_code): Ditto.
10692 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10693 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10694 tree_ssa_loop_done): Ditto.
10695 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10696 * sched-ebb.c: Include output.h.
10697 (schedule_ebbs): Do not use dump argument.
10698 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10699 * loop.c (loop_dump_stream): Removed.
10700 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10702 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10703 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10704 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10705 loop_iterations, strength_reduce, record_biv, record_giv,
10706 final_giv_value, check_final_value, check_ext_dependent_givs,
10707 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10708 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10709 dump_file instead of loop_dump_stream.
10710 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10711 argument dump_file.
10712 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10714 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10715 * haifa-sched.c: Include output.h
10716 (schedule_insns, sched_init): Do not use dump argument.
10717 * mode-switching.c (optimize_mode_switching): Ditto.
10718 * modulo-sched.c (stats_file): Removed.
10719 (print_node_sched_params): Do not call argument dump_file.
10720 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10721 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10723 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10725 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10726 rtl_loop_init, rtl_loop_done): Ditto.
10727 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10728 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10730 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10731 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10732 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10733 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10734 * emit-rtl.c (renumber_insns): Ditto.
10735 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10736 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10737 * regclass.c (regclass): Ditto.
10738 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10739 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10740 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10741 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10743 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10744 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10746 * gcse.c (gcse_file, debug_stderr): Removed.
10747 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10748 rest_of_handle_gcse): Do not use dump argument.
10749 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10750 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10751 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10752 compute_code_hoist_vbeinout, compute_code_hoist_data,
10753 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10754 compute_store_table, build_store_vectors, insert_insn_start_bb,
10755 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10756 store_motion): Use dump_file instead of gcse_file.
10757 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10758 * profile.c (profile_dump_file): Removed.
10759 (branch_prob): Use dump_file instead of profile_dump_file.
10760 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10762 * tree-ssa-copy.c (dump_copy_of): Ditto.
10763 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10764 dump file to life_analysis.
10765 * bt-load.c (branch_target_load_optimize): Ditto.
10766 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10768 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10769 regclass, dbr_schedule): Declaration changed.
10770 * sched-int.h (sched_init): Declaration changed.
10771 * tree-profile.c (tree_profile_dump_file): Removed.
10772 (tree_profile_hooks): Removed profile_dump_file hook.
10773 * rtl-profile (rtl_profile_dump_file): Removed.
10774 (rtl_profile_hooks): emoved profile_dump_file hook.
10775 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10777 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10778 * tree-cfg.c (build_tree_cfg): Ditto.
10779 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10780 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10781 Declaration changed.
10782 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10783 life_analysis and schedule_insns.
10784 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10786 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10788 * config/mips/mips.c (mips_reorg): Ditto.
10789 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10792 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10794 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10795 (s390_mangle_fundamental_type): New.
10796 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10799 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10800 (alpha_mangle_fundamental_type): New.
10801 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10804 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10806 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10808 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10809 (sparc_mangle_fundamental_type): New.
10811 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10813 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10814 (s390x-*-linux*): Likewise.
10815 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10816 * config/s390/t-linux: New file.
10818 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10820 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10821 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10823 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10825 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10826 (ANTIC_SAFE_LOADS): New macro.
10827 (find_or_generate_expression): Add prototype.
10828 (set_contains_value): Allow null set for sake of not always having
10829 to allocate ANTIC_SAFE_LOADS.
10830 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10831 Allow COMPONENT_REF too.
10832 (valid_in_set): Allow COMPONENT_REF.
10833 Check ANTIC_SAFE_LOADS too.
10834 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10835 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10837 (can_PRE_operation): Add COMPONENT_REF.
10838 (create_component_ref_by_pieces): New function.
10839 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10840 (insert_aux): Move AGGREGATE_TYPE_P check here.
10841 (compute_avail): Set bb local stmt uids.
10842 (pass_pre): Use TODO_update_ssa_only_virtuals.
10844 2006-02-06 Ben Elliston <bje@au.ibm.com>
10846 * configure.ac: Unconditionally disable decimal float by default.
10847 * configure: Regenerate.
10849 2006-02-06 Ben Elliston <bje@au.ibm.com>
10851 * read-rtl.c (read_name): Terminate reading on EOF.
10853 2006-02-06 Ben Elliston <bje@au.ibm.com>
10855 * dfp.c (decimal_real_arithmetic): Change second argument type
10856 from int to enum tree_code. Do not always return true, but now
10857 return result of any call to decimal_do helper functions.
10858 * dfp.h (decimal_real_arithmetic): Update prototype.
10860 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10862 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10864 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10867 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10870 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10872 * tree-vrp.c (cfg_loops): Removed.
10873 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10874 Use current_loops instead of cfg_loops. Pass flags to
10875 loop_optimizer_init.
10876 * cfgloopmanip.c (fix_loop_structure): Update only available
10878 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10879 loop_optimizer_init.
10880 * modulo-sched.c (build_loops_structure): Removed.
10881 (sms_schedule): Use loop_optimizer_init.
10882 * loop-init.c (loop_optimizer_init): Use flags to determine
10883 which properties of loops to prepare.
10884 (rtl_loop_init): Pass flags to loop_optimizer_init.
10885 * tree-ssa-sink.c (execute_sink_code): Ditto.
10886 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10887 * tree-ssa-pre.c (init_pre): Ditto.
10888 * cfgloop.h (LOOPS_NORMAL): New.
10889 (loop_optimizer_init): Declaration changed.
10891 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10893 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10894 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10896 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10898 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10900 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10901 * pa/t-pa64: Delete quadlib.c rule.
10902 * pa/x-ada: Revert last change.
10903 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10905 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10907 PR rtl-optimization/26087
10908 * rtlanal.c (canonicalize_condition): Do not cross basic block
10911 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10914 * config/ia64/ia64.c: Include debug.h.
10915 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10916 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10917 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10918 (process_epilogue, process_set, process_for_unwind_directive):
10919 Output unwind info only if requested. Add CFA info if requested.
10920 Add new arguments as needed. Adjust callers.
10921 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10923 (DWARF2_FRAME_INFO): Define to zero.
10924 * config/ia64/unwind-ia64.c: Remove code that compensated for
10925 the CFA offset error fixed above.
10926 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10927 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10928 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10929 -funwind-tables and -fexceptions to enable frame info.
10930 (dwarf2out_frame_init): Define initial CFA even if
10931 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10932 DWARF2_UNWIND_INFO is nonzero, not just defined.
10933 (dwarf2out_frame_finish): Output non-EH call frame info only
10934 if DWARF2_FRAME_INFO is nonzero.
10935 (convert_cfa_to_loc_list,
10936 compute_frame_pointer_to_cfa_displacement): Define even if
10937 unwind info is not supported.
10938 (gen_subprogram_die): Use the above unconditionally. Remove
10939 legacy alternate code.
10940 * toplev.c (compile_file): Compile in call to
10941 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10942 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10944 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10945 Jakub Jelinek <jakub@redhat.com>
10947 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10948 IBM extended float format long double as "g" on powerpc*-linux.
10950 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10953 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10954 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10956 2006-02-03 Jason Merrill <jason@redhat.com>
10959 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10961 PR middle-end/25977
10962 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10963 on the return slot if it's an NRV.
10965 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10967 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10968 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10969 rewrite_use): Do not handle USE_OUTER.
10970 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10971 add_iv_outer_candidates, may_replace_final_value,
10972 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10973 (find_interesting_uses_op): Functionality of
10974 find_interesting_uses_outer_or_nonlin moved here.
10975 (find_interesting_uses_outside): Use find_interesting_uses_op.
10977 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10980 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10982 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10983 Ulrich Weigand <uweigand@de.ibm.com>
10986 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10987 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10988 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10989 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10991 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10992 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10993 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10994 Define secondary reloads for TFmode moves.
10995 (constant_modes): Add TFmode.
10996 (NR_C_MODES): Set to 8.
10997 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10999 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11000 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11001 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11002 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11003 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11004 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11005 (FPR mode macro): Add TFmode.
11006 (DSF mode macro): New.
11007 (<de>, <dee> mode attributes): Removed.
11008 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11009 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11010 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11011 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11012 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11013 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11014 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11015 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11016 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11017 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11018 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11019 "*negabs<mode>2", "sqrt<mode>2"):
11020 Changed <de> to <xde>. R constraint replaced by <Rf>.
11021 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11023 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11024 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11025 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11027 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11028 "extenddftf2", "extendsftf2"): New expanders.
11029 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11030 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11031 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11032 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11034 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11035 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11036 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11037 __floatditf): Add a GCC_4.1.0 symbol version tag.
11038 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11041 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11044 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11045 Use targetm.binds_local_p instead of TREE_PUBLIC.
11047 2006-02-02 Roger Sayle <roger@eyesopen.com>
11049 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11050 on INTEGER_TYPEs to indicate that it denotes a character type.
11051 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11052 signed_char_type_node, unsigned_char_type_node and char_type_node.
11053 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11054 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11055 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11057 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11058 Daniel Berlin <dberlin@dberlin.org>
11060 * tree-tailcall.c (arg_needs_copy_p): New function.
11061 (eliminate_tail_call): Use arg_needs_copy_p.
11062 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11063 (add_virtual_phis): New function.
11065 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11067 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11068 #ignore instead of #scratch for %g7 .register directive.
11070 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11072 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11075 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11077 * flow.c (calculate_global_regs_live): Assert that there aren't any
11080 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11082 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11083 what its name says.
11084 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11085 bsi_after_labels iterator.
11086 * tree-if-conv.c (find_phi_replacement_condition,
11087 replace_phi_with_cond_modify_expr): Likewise.
11088 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11089 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11091 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11093 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11095 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11098 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11099 array after growing it.
11101 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11103 PR middle-end/24901
11104 * fold-const.c (fold_checksum_tree): Change type of buf.
11106 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11108 * reload.c (push_secondary_reload): Initialize t_icode.
11110 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11112 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11113 -msoft-float -mlong-double-128 only issue a warning, but don't
11114 swich to DFmode long double.
11116 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11118 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11119 has a constant equivalent, iterate over equivalents for arg0,
11120 calling simplify_relational_operation and if there's a result
11121 cheaper than X, apply fold_rtx and return the result.
11123 2006-02-01 Jan Hubicka <jh@suse.cz>
11125 * opts.c (no_unit_at_a_time_default): New global variable.
11126 (decode_options): Use it.
11127 * opts.h (no_unit_at_a_time_default): Declare.
11129 2006-02-01 Paul Brook <paul@codesourcery.com>
11131 * function.c (assign_parm_setup_reg): Use function argument promotion
11133 * expr.c (expand_expr_real_1): Use function argument promotion rules
11136 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11138 * gcc.c (process_command): Change j to 'unsigned int'.
11140 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11142 PR middle-end/26001
11143 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11144 Use the corrected index for the character
11145 out of the string constant.
11147 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11149 * mode-switching.c (optimize_mode_switching): Fix size
11150 allocated for bb_info[n_entities].
11152 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11154 * gcc.c (main): Correct type that is allocated for
11155 explicit_link_files.
11157 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11159 * config/s390/s390.c (init_alignment_context): Set
11160 ALIAS_SET_MEMORY_BARRIER on the MEM.
11161 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11163 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11165 PR middle-end/25933
11166 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11168 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11171 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11173 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11174 * regrename.c: Ditto.
11175 * tree-ssa-loop-im.c: Ditto.
11176 * tree-dump.c: Ditto.
11177 * tree-complex.c: Ditto.
11178 * genrecog.c: Ditto.
11179 * tree-ssa-threadupdate.c: Ditto.
11181 * java/class.c: Ditto.
11182 * java/jcf-parse.c: Ditto.
11183 * java/resource.c: Ditto.
11184 * java/except.c: Ditto.
11185 * java/jvspec.c: Ditto.
11186 * java/jcf-write.c: Ditto.
11187 * java/jcf-path.c: Ditto.
11188 * java/gjavah.c: Ditto.
11189 * java/zextract.c: Ditto.
11190 * java/jcf-io.c: Ditto.
11191 * java/jcf.h: Ditto.
11192 * java/buffer.c: Ditto.
11193 * java/lang.c: Ditto.
11194 * java/parse-scan.y: Ditto.
11195 * java/lex.c: Ditto.
11196 * java/lex.h: Ditto.
11197 * cfgloopmanip.c: Ditto.
11198 * postreload-gcse.c: Ditto.
11199 * tree-ssa-loop-manip.c: Ditto.
11200 * postreload.c: Ditto.
11201 * tree-ssa-loop-ch.c: Ditto.
11204 * cppspec.c: Ditto.
11205 * diagnostic.c: Ditto.
11207 * genoutput.c: Ditto.
11209 * cfghooks.c: Ditto.
11210 * cfgloopanal.c: Ditto.
11211 * objc/objc-act.c: Ditto.
11213 * genextract.c: Ditto.
11214 * genautomata.c: Ditto.
11215 * pretty-print.c: Ditto.
11216 * genemit.c: Ditto.
11217 * cgraphunit.c: Ditto.
11219 * df-scan.c: Ditto.
11220 * haifa-sched.c: Ditto.
11221 * dominance.c: Ditto.
11223 * tree-ssa-loop-ivopts.c: Ditto.
11224 * df-core.c: Ditto.
11225 * mode-switching.c: Ditto.
11226 * modulo-sched.c: Ditto.
11228 * ipa-pure-const.c: Ditto.
11230 * fix-header.c: Ditto.
11232 * tree-stdarg.c: Ditto.
11233 * ipa-utils.c: Ditto.
11234 * loop-init.c: Ditto.
11235 * ipa-inline.c: Ditto.
11236 * cfganal.c: Ditto.
11238 * alloc-pool.c: Ditto.
11239 * dwarf2out.c: Ditto.
11241 * genattrtab.c: Ditto.
11242 * tree-ssa-loop-ivcanon.c: Ditto.
11243 * predict.c: Ditto.
11244 * timevar.c: Ditto.
11246 * fortran/gfortranspec.c: Ditto.
11247 * regmove.c: Ditto.
11248 * local-alloc.c: Ditto.
11249 * langhooks.c: Ditto.
11250 * function.c: Ditto.
11251 * tree-vectorizer.c: Ditto.
11253 * ipa-type-escape.c: Ditto.
11255 * tree-if-conv.c: Ditto.
11256 * profile.c: Ditto.
11258 * tree-data-ref.c: Ditto.
11259 * loop-unroll.c: Ditto.
11260 * treelang/treetree.c: Ditto.
11262 * bt-load.c: Ditto.
11263 * ggc-common.c: Ditto.
11265 * coverage.c: Ditto.
11267 * tree-cfgcleanup.c: Ditto.
11268 * tree-ssa-pre.c: Ditto.
11269 * cfgcleanup.c: Ditto.
11270 * loop-invariant.c: Ditto.
11271 * loop-iv.c: Ditto.
11272 * ipa-prop.c: Ditto.
11273 * print-tree.c: Ditto.
11274 * conflict.c: Ditto.
11275 * ggc-page.c: Ditto.
11276 * sched-deps.c: Ditto.
11277 * regclass.c: Ditto.
11278 * tree-object-size.c: Ditto.
11279 * combine.c: Ditto.
11280 * bb-reorder.c: Ditto.
11281 * resource.c: Ditto.
11282 * var-tracking.c: Ditto.
11283 * cfgloop.c: Ditto.
11284 * df-problems.c: Ditto.
11285 * reg-stack.c: Ditto.
11287 * gccspec.c: Ditto.
11288 * sched-rgn.c: Ditto.
11289 * tree-ssa-structalias.c: Ditto.
11290 * tree-ssa-reassoc.c: Ditto.
11291 * config/darwin-c.c: Ditto.
11292 * config/darwin.c: Ditto.
11293 * config/arm/arm.c: Ditto.
11295 * collect2.c: Ditto.
11296 * reload1.c: Ditto.
11298 2006-01-31 Nicolas Pitre <nico@cam.org>
11300 * arm.md (smaxsi3): Make aware of smax_m1.
11303 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11305 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11307 2006-01-31 Richard Guenther <rguenther@suse.de>
11309 * doc/invoke.texi (-msselibm): Document.
11310 * target.h (expand_library_builtin): New target hook.
11311 * builtins.c (expand_builtin): Use expand_library_builtin.
11312 (default_expand_library_builtin): New function.
11313 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11314 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11315 (link_gcc_math_spec): Declare.
11316 (static_specs): Add link_gcc_math_spec.
11317 * expr.h (default_expand_library_builtin): Declare.
11318 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11319 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11320 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11321 * config/i386/i386.opt (msselibm): New target option.
11322 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11323 (ix86_init_sse_abi_builtins): New function.
11324 (ix86_expand_library_builtin): Likewise.
11325 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11326 (override_options): Handle error conditions wrt -msselibm.
11327 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11328 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11329 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11332 2006-01-31 Richard Guenther <rguenther@suse.de>
11333 Paolo Bonzini <bonzini@gnu.org>
11335 * doc/install.texi (--disable-libgcc-math): Document.
11337 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11339 * expr.h (expand_normal): new inline function.
11340 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11341 * dojump.c: use it.
11342 * dwarf2out.c: use it.
11345 * expmed.c: use it.
11346 * except.c: use it.
11347 * config/sparc/sparc.c: use it.
11348 * config/i386/i386.c: use it.
11349 * config/rs6000/rs6000.c: use it.
11350 * config/arm/arm.c: use it.
11351 * config/mips/mips.c: use it.
11352 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11354 2006-01-30 Roger Sayle <roger@eyesopen.com>
11356 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11357 argv to the appropriate type.
11359 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11361 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11364 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11367 * config/s390/s390.c (struct machine_function): New flag
11368 decomposed_literal_pool_addresses_ok_p.
11369 (s390_reorg): Set it before final stage of literal pool transforms.
11370 (s390_decompose_address): Only accept displacements of the form
11371 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11373 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11375 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11376 the comparison routine return.
11378 2006-01-30 Michael Matz <matz@suse.de>
11380 * global.c (find_reg): Only evict for global regs.
11381 Take n_refs into account and dump more info.
11383 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11386 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11387 (pragma_trap, pragma_nosave_low_regs): Likewise.
11388 (current_function_anonymous_args): Likewise.
11389 (sh_deferred_function_attributes): New variable.
11390 (sh_deferred_function_attributes_tail): Likewise.
11391 (print_operand): For '@', look up trap_exit attribute.
11392 (calc_live_regs): Look up trapa_handler attribute. For trapa
11393 handlers, save/restore fpscr, but don't do any other
11394 interrupt-specific saves.
11395 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11396 Fix check for partially saved registers to check for SHmedia.
11397 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11398 (sh_output_function_epilogue): Don't clear any of the removed
11400 (sh_insert_attributes): Don't check pragma_interrupt.
11401 Insert deferred attributes. Check that interrupt attribute is
11402 present for other attributes that require its presence.
11403 (sh_attribute_table): Add new attributes trapa_handler and
11405 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11406 Don't check for pragma_interrupt. Don't store argument.
11407 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11408 (sh_deferred_function_attributes): Declare.
11409 (sh_deferred_function_attributes_tail): Likewise.
11410 * sh.md (sp_switch_1): Add operand. Change generator caller.
11411 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11412 (*return_i): Don't use when trap_exit attribute is in effect.
11413 (*return_trapa): New insn pattern.
11414 * sh-c.c: New file.
11415 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11416 setting c_target_objs and cxx_target_objs.
11417 * t-sh: Add rule for sh-c.o.
11419 2006-01-30 Richard Guenther <rguenther@suse.de>
11422 * gimplify.c (gimplify_target_expr): Handle easy cases
11423 without creating a temporary.
11425 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11427 * vec.h (safe_grow): Remove duplicated line.
11429 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11432 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11433 (expand_omp): ... here.
11434 (expand_omp_parallel): Only remove barriers for combined
11435 parallel+workshare constructs.
11437 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11441 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11442 * tree.c (build_qualified_type): Chain the new type to the original
11443 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11444 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11445 (build_pointer_type_for_mode): Only return unqualified types.
11446 (build_reference_type_for_mode): Likewise.
11448 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11450 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11451 * Makefile.in (CXX_COMPAT_WARN): Define.
11452 * configure: Regenerate.
11454 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11457 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11460 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11462 * toplev.c: Fix thinko.
11464 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11465 Marcin Dalecki <martin@dalecki.de>
11467 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11468 (push_srcloc): Use XNEW.
11469 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11471 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11473 * df-core.c (df_set_blocks): Deleted all variable.
11475 2006-01-28 Ian Lance Taylor <ian@airs.com>
11477 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11478 cgraph_output_pending_asms.
11480 2006-01-28 Zack Weinberg <zackw@panix.com>
11482 * c.opt: Add -W(no-)overlength-strings.
11483 * doc/invoke.texi: Document it.
11484 * c-opts.c (c_common_handle_option): -pedantic implies
11485 -Woverlength-strings, if not explicitly disabled already.
11486 (c_common_post_options): -Woverlength-strings defaults to off, and
11487 is always off for C++.
11488 * c-common.c (fix_string_type): Issue warning about strings longer
11489 than is portable only if warn_overlength_strings. Rearrange code
11490 a little for clarity.
11491 * configure.in: Check for -Wno-overlength-strings as well before
11492 enabling -pedantic in stage 1.
11493 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11494 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11496 * genconditions.c (write_header, write_one_condition)
11497 (write_conditions, write_writer): Consolidate very long strings
11498 that were broken up to fit in C89 portable limit. Don't use
11499 printf when fputs will do.
11501 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11503 * combine.c (simplify_comparison <AND>): Check
11504 TRULY_NOOP_TRUNCATION before start using a subreg.
11506 * config/mips/mips.md (*branch_zero<mode>,
11507 *branch_zero<mode>_inverted, *branch_equality<mode>,
11508 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11509 Remove mode check from comparisons.
11511 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11513 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11515 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11517 * expmed.c (const_mult_add_overflow_p): Remove.
11518 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11520 * recog.c (validate_replace_rtx_subexp): Remove.
11521 * recog.h: Remove the prototype for
11522 validate_replace_rtx_subexp.
11524 * integrate.h: Remove the prototype for
11525 copy_decl_for_inlining.
11526 * rtl.h: Remove the prototype for mark_constant_function.
11527 * tree-vectorizer.h: Remove the prototype for
11528 vect_strip_conversion.
11530 * modulo-sched.c (create_partial_schedule,
11531 free_partial_schedule, reset_partial_schedule): Make them
11534 * hooks.c (hook_bool_rtx_int_false): Remove.
11535 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11537 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11539 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11540 and -mlong-double-128 are incompatible.
11541 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11542 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11543 (TARGET_LIBGCC2_CFLAGS): Define.
11544 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11545 (TARGET_LIBGCC2_CFLAGS): Same.
11546 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11548 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11551 * c-typeck.c (build_binary_op): Perform implicit casts of
11552 operands before shortening them.
11554 * cfgloopmanip.c (split_loop_bb): Remove.
11555 * cfgloop.h: Remove the prototype for split_loop_bb.
11557 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11558 * cfgloop.h: Remove the prototype for
11559 flow_loop_outside_edge_p.
11561 * emit-rtl.c (init_virtual_regs): Make it static.
11562 * function.h: Remove the prototype for init_virtual_regs.
11564 * recog.c (peephole2_optimize): Make it static.
11565 * recog.h: Remove the prototype for peephole2_optimize.
11567 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11569 * df-scan.c (df_record_entry_block_defs): Check if
11570 INCOMING_RETURN_ADDR_RTX is defined.
11572 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11573 Kenneth Zadeck <zadeck@naturalbridge.com>
11575 PR rtl-optimization/24762
11576 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11577 * targhooks.c (hook_void_bitmap): New hook prototype.
11578 * targhoohs.h (hook_void_bitmap): Ditto.
11579 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11580 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11581 * target.h (live_on_entry): New function pointer.
11582 * df-scan.c (df_all_hard_regs): Removed.
11583 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11584 (df_scan_free_internal): Added df->entry_block_defs.
11585 (df_scan_alloc): Ditto.
11586 (df_scan_dump): Ditto.
11587 (df_uses_record): Plumbed flag field properly thru calls.
11588 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11589 This part fixes PR24762.
11590 (df_bb_refs_record): Added code to make the frame and arg
11591 pointers live in EH blocks.
11592 (df_refs_record): Added call to df_record_entry_block_defs.
11593 (df_record_entry_block_defs): New function.
11594 * df-core.c: Added comments to describe new artifical defs.
11595 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11596 (entry_block_defs): New field in struct df.
11597 (df_all_hard_regs): Deleted.
11598 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11599 * df-problems.c (df_ru_bb_local_compute_process_def):
11600 Added code to handle artifical defs in the entry to a function.
11601 (df_ru_bb_local_compute): Ditto.
11602 (df_rd_bb_local_compute_process_def): Ditto.
11603 (df_rd_bb_local_compute): Ditto.
11604 (df_lr_bb_local_compute): Ditto.
11605 (df_ur_bb_local_compute): Ditto.
11606 (df_urec_bb_local_compute): Ditto.
11607 (df_chain_create_bb): Ditto.
11608 (df_ur_local_finalize): Removed entry.
11609 (df_urec_init): Ditto.
11610 (df_urec_local_finalize): Ditto.
11611 (df_ri_bb_compute): Added detection of last use of pseudos.
11612 * Makefile.in (df-scan.o): Updated dependencies.
11613 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11614 * config/mips/mips.c (mips_set_live_on_entry): Added.
11615 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11617 * dce.c (marked_insn_p): Added code to handle artifical defs.
11619 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11621 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11623 (_mm_cvtsi128_si64): Likewise.
11624 (_mm_cvtsd_si64): Likewise.
11625 (_mm_cvttsd_si64): Likewise.
11626 (_mm_cvtsi64_sd): Likewise.
11627 (_mm_cvtsi64_si128): Likewise.
11628 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11629 (_mm_cvtsi64_m64): Likewise.
11630 (_m_to_int64): Likewise.
11631 (_mm_cvtm64_si64): Likewise.
11632 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11633 (_mm_cvttss_si64): Likewise.
11634 (_mm_cvtsi64_ss): Likewise.
11635 (_mm_cvtss_f32): Likewise.
11637 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11639 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11640 for pragma redefine_extname.
11642 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11645 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11646 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11647 -mno-minimal-toc to previous content.
11648 (bispecs): Remove goal.
11649 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11650 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11651 compatibility aliases on powerpc-*-*gnu*.
11652 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11653 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11654 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11655 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11656 (ldblspecs): New goal.
11657 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11658 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11660 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11661 L_sf_to_tf or L_df_to_tf is defined.
11663 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11664 Alan Modra <amodra@bigpond.net.au>
11667 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11668 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11669 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11670 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11671 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11672 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11673 (rs6000_override_options): Initialize rs6000_ieeequad.
11674 Initialize TFmode format to ibm_extended_format if not
11676 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11678 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11679 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11680 (function_arg_advance): IBM long double passed in two FPRs, not
11682 (function_arg): IBM long double passed in FPRs.
11683 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11684 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11685 Only multireg GPR aligned.
11686 (rs6000_init_libfuncs): Enable IBM long double functions if not
11688 (rs6000_generate_compare): Use IBM long double compare if not
11690 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11691 (TARGET_IEEEQUAD): Define.
11692 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11693 not TARGET_IEEEQUAD.
11694 * config/rs6000/rs6000.md: Enable TFmode patterns if
11696 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11697 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11698 and -mlong-double-128 are incompatible.
11699 * doc/invoke.texi (-mabi): Collect options together. Add
11700 ibmlongdouble and ieeelongdouble.
11702 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11704 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11706 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11707 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11708 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11709 * rtl.h (rtunion_def): Remove rt_ptr.
11711 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11712 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11713 * config/i386/winnt.c (i386_pe_mark_dllexport)
11714 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11716 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11718 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11720 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11724 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11725 pthread_key_delete. From John David Anglin. gthrw-ify
11726 pthread_getunique_np only if it it's not a macro. Delete
11728 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11729 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11730 __gthread_objc_condition_signal, __gthread_key_delete): Add
11731 "__attribute__ ((__unused__))" to unused arguments.
11732 (__gthread_recursive_mutex_init_function): Add missing return.
11733 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11734 gthr-posix95.h: Use macro-based approach for name redirection
11735 on targets missing weakref.
11737 2006-01-26 Zack Weinberg <zackw@panix.com>
11739 * genconditions.c (write_header): In generated code, #ifdef out
11740 all includes and fake declarations, except includes of bconfig.h
11741 and system.h, unless GCC_VERSION >= 3001. Do not include
11742 gensupport.h in any case.
11743 (write_conditions): Generate a definition of struct c_test. Add
11744 a comment to the generated #endif.
11745 (write_one_condition): Escape backslashes in string too.
11746 (write_writer): Generated code must escape backslashes and quote
11747 marks (but not newlines) in the strings it writes.
11748 * Makefile.in (build/gencondmd.o): Update dependencies.
11750 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11753 * Makefile.in (insn-automata.o): Add header file dependencies.
11754 * genautomata.c: Add includes.
11756 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11759 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11761 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11763 * configure.ac: Expect target tools paths to be passed from the toplevel
11764 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11766 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11768 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11771 * c.opt (Wpointer-sign): Init to -1.
11772 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11773 OPT_pedantic, to 0 otherwise.
11774 * doc/invoke.texi: Update.
11776 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11778 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11779 constants provided by 80387 instructions in the destination mode.
11781 2006-01-26 Richard Guenther <rguenther@suse.de>
11782 Andrew Pinski <pinskia@physics.uc.edu>
11785 partial PR tree-opt/17064
11786 * tree-ssa-structalias.c (intra_create_variable_infos):
11787 Create heap variables for incoming parameters if
11788 flag_argument_noalias > 1.
11789 (find_what_p_points_to): Look through default defs of
11792 2006-01-26 Jeff Law <law@redhat.com>
11795 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11796 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11797 within the VR_RANGE, use the VR_RANGE as the result, not the
11799 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11800 bounds for the type.
11802 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11804 * tree-ssa-alias.c (maybe_create_global_var): Change
11805 subvar walking to an assertion that we don't have subvar'd variables.
11807 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11810 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11811 Use a new variable, inner. PARM_DECLs are always non-weak.
11813 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11815 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11816 --disable-checking.
11818 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11820 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11822 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11824 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11825 (smax_insn, smin_insn, smax_0, smin_0): New.
11827 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11830 * config/cris/cris.c (cris_order_for_addsi3): New function.
11831 * config/cris/cris-protos.h: Prototype it.
11832 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11833 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11834 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11835 (split for "op.S1 [rx=rx+i],ry (swapped)")
11836 (split for "op(s|u).S1 [rx=rx+i],ry")
11837 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11838 Apply cris_order_for_addsi3 when generating addsi3 insns.
11840 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11842 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11843 (TREE_BLOCK): Add call to EXPR_CHECK.
11845 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11848 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11849 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11850 (dump_omp_clauses): ... here.
11851 (dump_generic_node): Handle OMP_CLAUSE.
11852 * tree.c (omp_clause_num_ops): New.
11853 (omp_clause_code_name): New.
11854 (tree_code_size): Handle OMP_CLAUSE.
11855 (tree_size): Likewise.
11856 (make_node): Document handling of OMP_CLAUSE.
11857 (tree_node_structure): Handle OMP_CLAUSE.
11858 (omp_clause_check_failed): New.
11859 (omp_clause_range_check_failed): New.
11860 (omp_clause_operand_check_failed): New.
11861 (build_omp_clause): New.
11862 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11863 * tree.h (enum omp_clause_code): Declare.
11864 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11865 (OMP_CLAUSE_RANGE_CHECK): Define.
11866 (OMP_CLAUSE_ELT_CHECK): Define.
11867 (omp_clause_check_failed): Declare.
11868 (omp_clause_operand_check_failed): Declare.
11869 (omp_clause_range_check_failed): Declare.
11870 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11871 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11872 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11873 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11874 (OMP_CLAUSE_IF_EXPR): Likewise.
11875 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11876 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11877 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11878 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11879 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11880 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11881 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11882 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11883 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11884 (OMP_CLAUSE_CODE): Define.
11885 (OMP_CLAUSE_SET_CODE): Define.
11886 (OMP_CLAUSE_CODE): Define.
11887 (OMP_CLAUSE_OPERAND): Define.
11888 (struct tree_omp_clause): Declare.
11889 (union tree_node): Add field 'omp_clause'.
11890 * treestruct.def (TS_OMP_CLAUSE): Define.
11891 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11892 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11893 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11894 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11895 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11896 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11897 (OMP_CLAUSE): Define.
11898 * print-tree.c (print_node): Handle OMP_CLAUSE.
11899 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11900 * c-typeck.c: Likewise.
11901 * gimplify.c: Likewise.
11902 * c-omp.c: Likewise.
11903 * tree-nested.c: Likewise.
11904 * tree-inline.c: Likewise.
11905 * c-parser.c: Likewise.
11906 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11909 2006-01-25 Roger Sayle <roger@eyesopen.com>
11911 PR rtl-optimization/25703
11912 * combine.c (try_combine): Handle zero_extract and strict_low_part
11913 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11915 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11917 * global.c: Fix comment typos.
11919 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11922 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11923 Use output_addr_const instead of assemble_name.
11925 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11927 * Makefile.in (sched-vis.o): Update dependencies.
11928 * haifa-sched.c (sched_finish): Clear current_sched_info.
11929 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11930 (dump_flow_info): Call it.
11931 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11933 * basic-block.h (dump_bb_info): Declare.
11934 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11935 option, and apply options only for dump files whose TDF_RTL,
11936 TDF_TREE, or TDF_IPA bits match.
11937 * rtl.h: Declare new functions exported from sched-vis.c.
11938 * sched-vis.c: Enable also if scheduling is not used.
11939 (print_value): Print the mode of registers if not inside scheduling.
11940 (print_insn): Make it work outside the scheduler. Beautify the output
11942 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11944 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11946 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11947 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11948 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11949 depending on the value of CONSTANT_POOL_ADDRESS_P.
11950 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11952 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11953 rather than SYMBOL_REF_DECL.
11954 (rtx_constant_pool): Remove const_rtx_sym_htab.
11955 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11956 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11957 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11958 Remove handling of const_rtx_sym_htab.
11959 (find_pool_constant): Delete.
11960 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11961 rather than find_pool_constant.
11962 (get_pool_constant_for_function): Delete.
11963 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11964 find_pool_constant.
11965 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11966 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11967 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11968 (SYMBOL_REF_CONSTANT): New macro.
11969 (get_pool_constant_for_function): Delete.
11970 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11971 rather than SYMBOL_REF_DECL.
11972 (i386_pe_mark_dllimport): Likewise.
11973 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11974 rather than SYMBOL_REF_DECL.
11975 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11976 (machopic_indirect_call_target): Likewise.
11978 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11980 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11982 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11984 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11986 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11988 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11990 2006-01-24 David Daney <ddaney@avtrex.com>
11993 * configure.ac (enable_tls): New enable option.
11994 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11995 * configure: Regenerate.
11996 * doc/install.texi (--enable-tls): Document new option.
11997 (--disable-tls): Ditto.
11999 2006-01-24 Richard Henderson <rth@redehat.com>
12001 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12002 * alias.c (true_dependence): Respect it.
12003 (canon_true_dependence, write_dependence_p): Likewise.
12004 * builtins.c (get_builtin_sync_mem): Set it.
12006 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12008 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12011 2006-01-24 DJ Delorie <dj@redhat.com>
12013 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12014 for storing constants in single-bit bitfields.
12016 2006-01-25 Ben Elliston <bje@au.ibm.com>
12018 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12020 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12023 * tree-ssa-pre.c (phi_translate): Return NULL
12024 for AGGREGATE_TYPE's.
12026 2006-01-24 Zack Weinberg <zackw@panix.com>
12028 * genautomata.c (process_state_for_insn_equiv_partition):
12029 Use xcalloc for insn_arcs_array.
12030 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12031 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12033 2006-01-24 Richard Henderson <rth@redhat.com>
12035 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12036 update all callers.
12038 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12040 PR rtl-optimization/25890
12041 PR rtl-optimization/25905
12042 * combine.c (expand_compound_operation, expand_field_assignment):
12043 Fail if the bitfield's final position is out of bounds.
12045 2006-01-24 Ian Lance Taylor <ian@airs.com>
12047 PR middle-end/25930
12048 * cgraphunit.c (cgraph_output_in_order): Don't clear
12049 cgraph_asm_nodes until after asm strings have been output.
12051 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12053 * fix-header.c (read_scan_file): Add new parameter imultilib when
12054 calling register_include_chains.
12056 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12058 * omp-low.c: Update documentation.
12060 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12061 Daniel Berlin <dberlin@dberlin.org>
12065 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12066 return from the function.
12068 2006-01-22 Zack Weinberg <zackw@panix.com>
12070 * rtl.def (match_code): Add second argument.
12071 * genpreds.c (write_extract_subexp): New function.
12072 (write_match_code): Add path argument. Use write_extract_subexp.
12073 (write_predicate_expr): Pass path to write_match_code.
12074 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12075 not perform a mode test.
12076 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12077 a subexpression does not constrain the top-level code set.
12078 * read-rtl.c (read_rtx_variadic): New function.
12079 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12080 * doc/md.texi: Document new notation.
12081 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12082 (cmpsi_operand): ... here, using new notation.
12084 2006-01-22 Zack Weinberg <zackw@panix.com>
12086 * varray.c: Remove GENERATOR_FILE #ifdefs.
12088 2006-01-22 Zack Weinberg <zackw@panix.com>
12090 * genautomata.c (output_reserved_units_table): Emit nothing if
12091 description->query_units_num is zero. Remove extra blank line.
12092 (output_cpu_unit_reservation_p): Short circuit
12093 if description->query_units_num is zero.
12095 2006-01-22 Zack Weinberg <zackw@panix.com>
12097 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12098 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12099 nor any of the random handful of variables that used to be necessary
12100 when this program was linked with rtlanal.o. Prune set of forward
12101 function declarations.
12102 (struct attr_desc): Remove static_p field.
12103 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12104 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12105 (attr_string): Do not read the character one past the length of
12107 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12108 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12109 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12110 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12111 (make_automaton_attrs): New.
12112 (main): Do not call into genautomata. Call local gen_bypass
12113 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12114 Remove special case for insn_alts.
12115 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12116 varray.h (leftover from previous change). Prune set of forward
12117 function declarations. Remove state_alts fields from all
12118 structures. Remove state_alts_table from struct automaton.
12119 Make everything except main static. Do not maintain num_dfa_decls.
12120 Do not maintain state_alts fields of various structures.
12121 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12122 (add_arc): Remove state_alts argument. All callers updated.
12123 (output_reserved_units_table): Emit #ifdef here...
12124 (output_tables): ...not here. Don't generate state_alts tables.
12125 (expand_automata): Don't generate attributes.
12126 (write_automata): Don't generate state_alts functions.
12127 (main): New function.
12128 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12129 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12130 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12131 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12132 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12133 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12134 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12135 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12137 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12138 * genattrtab.h: Delete file.
12139 * Makefile.in (OBJS-common): Add insn-automata.o.
12140 (insn-automata.o): New rule.
12141 (simple_generated_c): Add insn-automata.c.
12142 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12143 (genprogmd): Add automata.
12144 (build/genattrtab): Needs no extra objects nor libraries.
12145 (build/genautomata): Needs build/vec.o and -lm.
12147 2006-01-22 Zack Weinberg <zackw@panix.com>
12149 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12150 (output_dfa_max_issue_rate, locked_states_num): Delete.
12151 (struct automaton): Add locked_states field.
12152 (output_dead_lock_vect): Save number of locked states in
12153 automaton->locked_states. If it is zero, don't print anything.
12154 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12155 (output_internal_dead_lock_func): Only test the dead_lock_vect
12156 for automata that have locked states.
12157 (output_statistics): Always print the number of locked states for
12158 each automaton. Calculate total number of locked states here.
12159 (write_automata): Don't call output_dfa_max_issue_rate.
12160 * genattrtab.c: Define length_unit_log as a const variable.
12161 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12162 max_insn_queue_index const.
12163 * final.c (length_unit_log): Declare const.
12164 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12166 2006-01-22 Zack Weinberg <zackw@panix.com>
12168 * genautomata.c: Include vec.h, not varray.h.
12169 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12170 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12171 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12172 VEC_* macros operating on appropriately typed vectors, or to
12173 malloced arrays when the size is known in advance. Const-ify
12174 many char* variables and function arguments. No functional changes.
12175 * Makefile.in (build/varray.o): Delete rule.
12176 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12177 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12179 2006-01-22 Zack Weinberg <zackw@panix.com>
12181 * gensupport.c: Define get_insn_name and record_insn_name here.
12182 (read_md_rtx): Call record_insn_name as appropriate.
12183 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12184 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12185 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12187 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12188 (BUILD_VARRAY): Delete.
12189 (genprognormal): Rename genprogmd. Fold in all programs from
12190 genprognoprint; also attrtab.
12191 (build/genattrtab): Just mention genautomata.o and varray.o.
12192 Reorganize a bit, add comments to make the categories clearer.
12194 2006-01-22 Zack Weinberg <zackw@panix.com>
12196 * genconditions.c (condition_table, add_condition): Delete.
12197 (write_conditions): Don't emit n_insn_conditions nor
12198 insn_elision_unavailable. Issue the gcc version #ifdef here,
12199 inside the table, with no #else clause ...
12200 (write_header): ...not here.
12201 (write_writer): New function.
12202 (main): Don't initialize condition_table. Use add_c_test.
12204 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12205 files on the command line.
12206 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12207 Return -1 if there is no entry in the table, don't abort.
12208 (add_c_test, traverse_c_tests): New functions.
12209 * gensupport.h (insn_elision_unavailable, insn_conditions)
12210 (n_insn_conditions): Delete declarations.
12211 (add_c_test, traverse_c_tests): Declare.
12212 * read-rtl.c: Include gensupport.h.
12213 (read_conditions): New function.
12214 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12215 (read_rtx_1): If we get EOF when we were looking for an initial
12216 open paren, return 0. Call read_conditions when appropriate.
12217 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12218 dummy-conditions.o. Eliminate references to insn-conditions.o,
12219 or change them to build/gencondmd.o, as appropriate. Remove
12220 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12221 from $(simple_generated_c). For all files remaining in those
12222 two lists, add insn-conditions.md to the generator command line.
12223 Give insn-constants.h/s-constants their own rules. Add rules
12224 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12225 (build/read-rtl.o): Depend on gensupport.h.
12226 (genprognormal): Include preds.
12227 (genprogearly): Rename genprognoprint; only difference is now that
12228 they don't link with $(BUILD_PRINT).
12229 * dummy-conditions.c: Delete.
12231 2006-01-22 Zack Weinberg <zackw@panix.com>
12233 * genextract.c: Don't include insn-config.h. Do include vec.h.
12234 Declare vectors of int, char, and locstr.
12235 (locstr): New typedef.
12236 (struct extraction): Make all array fields into bare pointers.
12237 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12238 (insn_code_number): Delete.
12239 (accum_extract): New struct.
12240 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12241 (gen_insn): Take insn_code_number as an argument. Use an
12242 accum_extract structure instead of loading data directly into
12243 a struct extraction, and having to know how big it might get.
12244 (walk_rtx): Operate entirely on an accum_extract structure.
12245 (print_path): Avoid unnecessary use of printf.
12246 (print_header): New function, split out of main. Distinguish
12247 more carefully between an unrecognizable insn and an insn that
12248 has the code number of a define_expand.
12249 (main): Pass insn_code_number to gen_insn. Call print_header
12250 only after parsing. Avoid unnecessary use of printf.
12251 * Makefile.in (build/vec.o): New rule.
12252 (build/genextract): Depend on build/vec.o.
12253 (build/genextract.o): Don't depend on insn-config.h.
12255 2006-01-22 Zack Weinberg <zackw@panix.com>
12257 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12258 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12259 practical. Eliminate per-generator-program link rules.
12261 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12263 PR middle-end/24437
12264 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12265 with a call expr to ...
12266 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12268 2006-01-23 Richard Guenther <rguenther@suse.de>
12270 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12271 before make_edge with conditional EDGE_TRUE_VALUE.
12273 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12274 Jan Hubicka <jh@suse.cz>
12275 Richard Guenther <rguenther@suse.de>
12277 PR rtl-optimization/25654
12278 * cfgexpand.c (aggregate_contains_union_type): New function.
12279 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12280 for structure variables that contain a union type.
12282 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12284 * gengtype.c (new_structure): Return the structure.
12285 (create_option): Add an extra "next" argument.
12286 (create_field): New function.
12287 (adjust_field_rtx_def): Use create_option and create_field.
12288 Remove a now-unnecessary call to find_structure.
12289 (adjust_field_tree_def): Likewise.
12290 (note_yacc_type): Remove an unnecessary call to find_structure.
12291 * gengtype.h (new_structure): Return the structure.
12292 (create_option): Add an extra argument.
12293 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12294 (option): Adjust calls to create_option.
12296 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12298 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12300 2006-01-22 Paul Brook <paul@codesourcery.com>
12301 Peter Barada <peter@the-baradas.com>
12303 * config/m68k/m68k.md: Add Coldfire FPU support.
12304 Define FP mode macro and associated attributes.
12305 Use it for float mode patterns.
12306 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12307 (LIBCALL_VALUE): Use m68k_libcall_value.
12308 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12309 (m68k_function_value): Ditto.
12310 (emit_move_sequence): Ditto.
12311 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12312 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12313 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12314 (MULTILIB_EXCEPTIONS): Ditto.
12315 * config/m68k/m68k.opt: Add mcfv4e.
12316 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12317 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12318 (m68k_output_function_prologue): Save ColdFire FPU registers.
12319 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12320 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12321 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12322 ColdFire FPU registers.
12323 (m68k_libcall_value, m68k_function_value): New functions.
12324 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12325 (LIBCALL_VALUE): Use m68k_libcall_value.
12326 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12327 (MASK_COLDFIRE): Add MASK_CFV4E.
12328 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12329 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12330 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12331 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12332 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12333 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12334 * doc/invoke.tex: Document -mcfv4e on m68k.
12336 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12338 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12341 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12344 * c-opts.c (c_common_handle_option): Don't include
12345 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12346 * doc/invoke.texi (C++ Dialect Options): Document that
12347 -Wnon-virtual-dtor is no longer included in -Wall.
12349 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12351 * gcov.c (print_version), gcov-dump.c (print_version),
12352 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12355 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12357 * df-scan.c (problem_SCAN): Added NULL reset function.
12358 (df_scan_reset_blocks): Added code to call reset block function
12359 (df_bb_refs_delete) Fixed comment.
12360 (df_insn_refs_delete): Made tolerant of deleting non existent info
12361 for dataflow problems that need to be reset.
12362 * df-core.c (df_set_blocks): Ditto.
12363 * df.h (struct df_problem): Added reset_fun.
12364 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12365 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12366 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12367 functions to clear out all references to def-use or use-def chains.
12369 2006-01-21 Ben Elliston <bje@au.ibm.com>
12371 * varasm.c (assemble_real): Initialise data array.
12373 2006-01-20 Paul Brook <paul@codesourcery.com>
12375 Merge from csl-arm-branch.
12376 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12377 * config/arm/arm.md (movdi): Force operands[1] to a register
12378 if we have a non-register source.
12379 (*arm_movdi, *movdf_soft_insn): Require that one of the
12380 operands be a register.
12381 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12382 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12384 2006-01-20 DJ Delorie <dj@redhat.com>
12386 * varasm.c (initializer_constant_valid_p): Allow pointers
12387 initialized from integer constants of lesser precision.
12388 (output_constant): Allow non-int-sized pointer modes to be
12389 initialized from integer constants.
12391 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12394 * cppdefault.h (struct default_include): Add multilib flag.
12395 * cppdefault.c (cpp_include_defaults): Set it.
12396 * c.opt (-imultilib): New option.
12397 * c-opts.c (imultilib): New.
12398 (c_common_handle_option): Handle -imultilib.
12399 (c_common_post_options): Likewise.
12400 * c-incpath.c (add_standard_paths, register_include_chains):
12402 * c-incpath.h (register_include_chains): Add extra parameter.
12403 * gcc.c (do_spec_1): Generate -imultilib option.
12404 (The Specs Language): Update %I description.
12405 (process_command): Update copyright notice.
12406 * doc/cppopts.texi (-imultilib): Document.
12407 * doc/invoke.texi (-imultilib): Include in option summary.
12408 (%I): Update specs documentation.
12410 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12412 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12414 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12416 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12419 2006-01-20 Richard Guenther <rguenther@suse.de>
12420 Steven Bosscher <stevenb.gcc@gmail.com>
12422 PR rtl-optimization/24626
12423 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12424 EDGE_TRUE_VALUE if in RTL mode.
12427 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12428 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12430 2006-01-20 Dirk Mueller <dmueller@suse.com>
12433 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12434 instead of a special NOP marker.
12435 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12436 NOP marker handling.
12437 * c-common.h (empty_body_warning): Add forward declaration.
12438 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12439 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12441 2006-01-20 Paul Brook <paul@codesourcery.com>
12443 * Makefile.in (lang_checks): Keep going if mkdir fails.
12445 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12447 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12448 be able to clean out basic block when not necessary.
12449 (df_scan_free): Fixed to properly delete information if df is
12450 unused before calling df_finish.
12451 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12452 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12454 (df_bb_refs_delete): New function.
12455 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12456 * df-core.c (df_set_blocks): Added code to properly clean out
12457 unused blocks if they are not part of the blocks to consider.
12458 Added additional null check.
12459 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12460 be able to clean out basic block when not necessary
12461 * df.h (df_free_bb_function): Ditto.
12462 (df_bb_refs_delete): New function.
12463 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12464 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12465 basic block parameter to be able to clean out basic block when not
12467 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12468 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12469 Fixed to properly delete information if df is unused before
12472 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12474 PR rtl-optimization/25799
12475 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12476 Corrected confluence operator to remove bits from op2 before oring
12477 with op1 rather than removing bits from op1.
12478 (df_ru_transfer_function): Corrected test on wrong bitmap which
12479 caused infinite loop. Both of these problems were introduced in
12480 the dataflow rewrite.
12482 2006-01-19 DJ Delorie <dj@redhat.com>
12484 * reload1.c (find_reload_regs): Note the details of reload
12485 failures in the dump file.
12486 (spill_failure): Likewise.
12488 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12490 * loop-iv.c: Include df.h and hashtab.h.
12491 (enum iv_grd_result): New enum.
12492 (DF_REF_IV, DF_REF_IV_SET): New macros.
12493 (struct biv_entry): New.
12494 (df, bivs): New global variables.
12495 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12496 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12498 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12499 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12500 analyzed_for_bivness_p, record_biv): New functions.
12501 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12502 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12503 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12505 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12507 (iv_number_of_iterations): Use new interface to iv analysis.
12508 * loop-unroll.c: Do not include varray.h.
12509 (analyze_iv_to_split_insn): Use new interface to iv
12511 * loop-unswitch.c (may_unswitch_on): Ditto.
12512 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12514 (df_bb_modify): Realloc tables to the new index.
12515 (df_find_use): New function.
12516 * df.h (df_find_use): Declare.
12517 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12519 * cfgloop.h (struct rtx_iv): Remove analysed field.
12520 (iv_get_reaching_def): Removed.
12521 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12522 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12523 (loop-iv.o): Add df.h and hashtab.h dependency.
12524 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12526 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12529 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12531 (__floatundisf, __floatundidf): Likewise.
12532 * libgcc2.h (IS_IBM_EXTENDED): Define.
12534 2006-01-19 DJ Delorie <dj@redhat.com>
12536 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12538 2006-01-19 Paul Brook <paul@codesourcery.com>
12540 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12541 as nothrow when unwinding tables are disabled.
12543 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12546 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12547 of bit-field" when in system header.
12549 2006-01-19 DJ Delorie <dj@redhat.com>
12551 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12552 the 16 bit shift limit of the m16c.
12554 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12557 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12558 * config/i386/i386.c (output_set_got): Output the label if we have one
12559 for the TARGET_DEEP_BRANCH_PREDICTION case.
12561 2006-01-19 Jan Hubicka <jh@suse.cz>
12562 H.J. Lu <hongjiu.lu@intel.com>
12563 Evandro Menezes <evandro.menezes@amd.com>
12565 * invoke.texi (generic): Document
12567 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12568 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12569 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12570 (x86_use_incdec, x86_pad_returns): New variables
12571 (TARGET_CPU_DEFAULT_generic): New constant
12572 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12573 (enum processor_type): Add generic32 and generic64.
12574 * i386.md (cpu attribute): Add generic32/generic64
12575 (movhi splitter): Behave sanely when both partial_reg_dependency and
12576 partial_reg_stall are set.
12577 (K8 splitters): Enable for generic as well.
12578 * predicates.md (incdec_operand): Use TARGET_INCDEC
12579 (aligned_operand): Avoid memory mismatch stalls.
12580 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12581 * ppro.md: Enable for generic32
12582 * i386.c (generic64_cost, generic32_cost): New.
12583 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12584 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12585 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12586 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12587 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12588 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12589 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12590 x86_accumulate_outgoing_args, x86_prologue_using_move,
12591 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12592 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12593 Enable for generic.
12594 (x86_use_incdec, x86_pad_returns): New.
12595 (override_options): Add generic32 and generic64, translate "generic"
12596 to generic32/generic64 and "i686" to "generic32", refuse
12597 "generic32"/"generic64" as arch target.
12598 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12599 (ix86_reorg): Honor PAD_RETURNS.
12601 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12603 * tree-pretty-print.c (dump_generic_node): Handle
12604 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12605 * cgraph.c (cgraph_expand_queue): Rename from
12606 cgraph_analyze_queue. Update all users.
12607 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12608 cgraph_expand_queue.
12609 (cgraph_expand_all_functions): Likewise.
12610 (cgraph_finalize_pending_functions): Remove. Update callers.
12612 * tree.h (OMP_DIRECTIVE_P): Define.
12613 (OMP_PARALLEL_FN): Define.
12614 (OMP_PARALLEL_DATA_ARG): Define.
12615 (OMP_SECTIONS_SECTIONS): Define.
12616 * tree-pass.h (pass_expand_omp): Declare.
12617 * omp-low.c (struct omp_region): Declare.
12618 (struct omp_context): Remove fields 'parallel_type',
12619 'parallel_start_ix' and 'parallel_start_additional_args'.
12621 (struct omp_for_data): Rename from struct expand_omp_for_data.
12622 (omp_regions): New static variable.
12623 (root_omp_region): New static variable.
12624 (find_omp_clause): Make static.
12625 (is_in_combined_parallel_ctx): Remove.
12626 (is_combined_parallel): New.
12627 (extract_omp_for_data): Move earlier in the file.
12628 (workshare_safe_to_combine_p): New.
12629 (get_ws_args_for): New.
12630 (determine_parallel_type): Move earlier in the file.
12631 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12633 (omp_copy_decl): Likewise.
12634 (create_omp_child_function): Likewise.
12635 (lookup_omp_region): New.
12636 (dump_omp_region): New.
12637 (debug_omp_region): New.
12638 (debug_all_omp_regions): New.
12639 (new_omp_region): New.
12640 (scan_omp_parallel): If parallel_nesting_level > 1, the
12641 directive is nested within another parallel directive.
12642 Set OMP_PARALLEL_FN.
12643 (scan_omp_for): Do not try to handle combined parallel+for
12645 Remove FIXME comment.
12646 (scan_omp_nested): Remove.
12647 (scan_omp_1): Do not call scan_omp_nested when
12648 parallel_nesting_level is > 1.
12649 Do not change the DECL_CONTEXT of local variables found.
12650 (lookup_decl_in_outer_ctx): New.
12651 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12652 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12653 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12654 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12655 If CTX is nested, lookup VAR in the outer context when
12656 building copy assignment.
12657 (lower_send_clauses): Rename from expand_send_clauses.
12658 If CTX is nested, lookup VAR in the outer context when
12659 building copy assignments.
12660 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12661 If CTX is nested, lookup VAR in the outer context when
12662 building copy assignments.
12663 (expand_parallel_call): Rename from build_parallel_call.
12664 Handle combined parallel+workshare cases.
12665 Re-implement to emit code into the CFG.
12667 (expand_omp_parallel): Re-implement to emit code into the CFG.
12668 Call move_sese_region_to_fn to outline the sub-graph
12669 containing the parallel region.
12670 (expand_omp_for_1): Remove.
12671 (expand_omp_for_generic): Re-implement to emit code into the
12673 (expand_omp_for_static_nochunk): Likewise.
12674 (expand_omp_for_static_chunk): Likewise.
12675 (expand_omp_for): Likewise.
12676 (expand_omp_sections): Likewise.
12677 (remove_exit_barriers): New.
12678 (expand_omp_synch): New.
12680 (build_omp_regions_1): New.
12681 (build_omp_regions): New.
12682 (execute_expand_omp): New.
12683 (gate_expand_omp): New.
12684 (pass_expand_omp): Define.
12685 (lower_omp_sections): Rename from expand_omp_sections.
12686 Set OMP_SECTIONS_SECTIONS.
12687 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12688 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12689 (lower_omp_single): Rename from expand_omp_simple.
12690 (lower_omp_master): Rename from expand_omp_master.
12691 (lower_omp_ordered): Rename from expand_omp_ordered.
12692 (lower_omp_critical): Rename from expand_omp_critical.
12693 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12694 (lower_omp_for): Re-implement.
12695 (lower_omp_parallel): Re-implement.
12696 (lower_regimplify): Rename from expand_regimplify.
12697 (lower_omp_1): Rename from expand_omp_1.
12698 If there are syntax errors in the program, replace every
12699 OpenMP directive with NOP.
12700 Call lower_omp_* instead of expand_omp_*.
12701 (lower_omp): Rename from expand_omp.
12703 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12704 * tree-gimple.h (enum omp_parallel_type): Remove.
12705 (gimple_boolify): Declare extern.
12706 (find_omp_clause, determine_parallel_type): Remove.
12708 * gimple-low.c (lower_omp_directive): New.
12709 (lower_stmt): Call it.
12710 (record_vars_into): Move from ...
12711 (record_vars): ... here.
12712 Call record_vars_into with current_function_decl.
12714 * gimplify.c (struct gimplify_ctx): Remove fields
12715 combined_pre_p and combined_ctxp. Update users.
12716 (get_formal_tmp_var): Add documentation.
12717 (gimple_boolify): Make extern.
12718 (gimplify_expr_in_ctx): Remove. Update callers.
12719 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12720 will always be a BIND_EXPR.
12721 (gimplify_expr): Handle OMP_RETURN_EXPR.
12722 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12723 (OMP_PARALLEL): Add 3 operands.
12724 (OMP_SECTIONS): Add 1 operand.
12725 (OMP_RETURN_EXPR): Define.
12727 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12728 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12729 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12730 creating a circular free list.
12731 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12733 * tree-flow.h (move_sese_region_to_fn): Declare.
12734 (record_vars_into): Declare.
12735 * tree-cfg.c (make_omp_sections_edges): New.
12736 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12737 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12738 OMP_SECTIONS and OMP_SECTION.
12739 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12740 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12741 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12742 (gather_blocks_in_sese_region): New.
12743 (struct move_stmt_d): Declare.
12744 (move_stmt_r): New.
12745 (move_block_to_fn): New.
12746 (move_sese_region_to_fn): New.
12748 * passes.c (init_optimization_passes): Schedule
12749 pass_expand_omp after pass_init_datastructures.
12751 * tree-ssa-operands.c (get_expr_operands): Handle
12752 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12753 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12755 2006-01-19 Jeff Law <law@redhat.com>
12757 * tree-vrp.c (extract_range_from_assert): Refine the result range
12758 if the variable referenced by the ASSERT_EXPR has a range and
12759 either the tentative result range or the previous range is a
12762 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12764 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12766 2006-01-19 Jan Hubicka <jh@suse.cz>
12768 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12770 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12772 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12773 (expand_compound_operation, expand_field_assignment): Fail if the
12774 bit lengths of an extract operation are out of range.
12775 (make_extraction): Compute wanted_inner_mode based on the position
12776 and length of the extraction. Make it extraction_mode for non-constant
12777 positions, and do not modify offset in that case. When generating a
12778 new MEM, use a mode that can hold the extraction while keeping correct
12779 alignment. Remove code that supported MEMs wrapped by USEs.
12780 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12782 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12784 * config/s390/s390.md ("Y", "y"): New mode attribute.
12785 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12786 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12787 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12788 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12789 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12790 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12791 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12792 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12793 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12794 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12795 "addsi3", "subsi3"): Insn patterns removed.
12796 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12797 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12798 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12799 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12800 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12801 "*sub<mode>3_cconly2"): New insn patterns.
12802 ("addsi3", "subsi3"): New expanders.
12804 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12806 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12807 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12808 existing STMT_VINFO_VECTYPE if available.
12809 (vect_mark_relevant): Add special handling for stmts that are
12810 marked as STMT_VINFO_IN_PATTERN_P.
12811 (vect_analyze_loop): Call vect_pattern_recog.
12812 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12813 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12815 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12816 (vect_recog_func_ptr): New function-pointer type.
12817 * tree-vect-patterns.c: New file.
12818 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12819 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12820 (vect_pattern_recog_1): New functions.
12821 (vect_pattern_recog_funcs): New array of function pointers.
12823 * tree-vectorizer.h (ternary_op): New enum value.
12824 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12825 declaration. Revised documentation. Removed redundant dump prints.
12826 Removed redundant argument. Added support for reduction patterns.
12827 (vectorizable_reduction): Added support for reduction patterns.
12828 (vect_transform_stmt): Added support for patterns.
12830 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12831 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12832 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12833 (expand_widen_pattern_expr): New function.
12834 (init_optabs): Initialize new optabs udot_prod_optab,
12836 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12837 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12838 (expand_widen_pattern_expr): New function declaration.
12839 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12841 * tree-inline.c (estimate_num_insns_1): Added cases for new
12842 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12843 * tree-pretty-print.c (dump_generic_node): Likewise.
12844 (op_prio): Likewise.
12845 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12846 * tree-ssa-operands.c (get_expr_operands): Added case for
12848 * tree-vect-patterns.c (widened_name_p): New function.
12849 (vect_recog_dot_prod_pattern): Added function implementation.
12850 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12851 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12852 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12853 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12855 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12856 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12857 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12858 (init_optabs): Initialize new optabs widen_ssum_optab,
12860 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12861 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12862 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12863 use instead of type of def.
12864 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12865 function implementation.
12866 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12867 widen_ssumv8hi): New.
12869 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12872 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12875 * c-decl.c (add_flexible_array_elts_to_size): New function.
12876 (finish_decl): Use it.
12878 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12880 * diagnostic.h: Include options.h.
12881 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12882 dependancies for diagnostic.h.
12883 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12885 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12887 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12888 (ssa_ro_call_cache_valid): Ditto.
12889 * tree-ssa-alias.c (sort_tags_by_id): New function.
12890 (init_transitive_clobber_worklist): Ditto.
12891 (add_to_worklist): Ditto.
12892 (mark_aliases_call_clobbered): Ditto.
12893 (compute_tag_properties): Ditto.
12894 (set_initial_properties): Ditto.
12895 (compute_call_clobbered): Ditto.
12896 (compute_may_aliases): Call compute_call_clobbered and grouping.
12897 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12898 (compute_flow_insensitive_aliasing): Grouping now happens in our
12900 (setup_pointers_and_addressables): Remove clobbering related code.
12901 (add_may_alias): Ditto.
12902 (replace_may_alias): Ditto.
12903 (get_nmt_for): Ditto.
12904 (create_global_var):
12905 (is_escape_site): Return an escape_type enumeration.
12906 * tree-flow-inline.h (is_call_clobbered): Global var does not
12907 imply call clobbered.
12908 (mark_call_clobbered): Take a reason for marking this. Remove
12909 marking of globalness, and cache invalidation.
12910 (clear_call_clobbered): Remove cache invalidation code.
12911 * tree-dfa.c (dump_variable): If details is on, dump the reason
12913 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12915 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12916 (struct var_ann_d): Ditto.
12917 (enum escape_type): New.
12918 (mark_call_clobbered): Adjust prototype.
12919 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12920 are never call clobbered.
12921 Record reasons for escaping.
12922 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12923 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12924 (ssa_ro_call_cache_valid): Ditto.
12925 (clobbered_v_may_defs): Ditto.
12926 (clobbered_vuses): Ditto.
12927 (ro_call_vuses): Ditto.
12928 (clobber_stats): New.
12929 (init_ssa_operands): Zero out clobber stats.
12930 (fini_ssa_operands): Print out clobber stats.
12931 (get_call_expr_operands): Pass callee fndecl to
12932 add_call_read_ops).
12933 (add_call_clobber_ops): Remove use of cache.
12934 Add use of PURE_CONST information.
12935 (add_call_read_ops): Remove use of cache.
12936 Add use of static not_read information.
12938 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12940 Introduce TLS descriptors for i386 and x86_64.
12941 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12942 (TARGET_ANY_GNU_TLS): New macro.
12943 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12944 (struct machine_function): Add tls_descriptor_call_expanded_p.
12945 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12946 (ix86_current_function_calls_tls_descriptor): Likewise.
12947 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12948 (override_options): Introduce gnu2 tls dialect.
12949 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12951 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12953 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12954 (ix86_init_machine_status): Initialize new field.
12955 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12956 (ix86_tls_module_base): New.
12957 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12958 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12959 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12960 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12961 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12962 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12963 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12964 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12965 * config/i386/predicates.md (tls_modbase_operand): New.
12966 (tp_or_register_operand): New.
12968 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12970 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12971 (look_for_address_of): Ditto.
12972 (ipa_init): Walk the function decls.
12973 (static_execute): Don't set readonly on FUNCTION_DECL's.
12975 2006-01-18 Roger Sayle <roger@eyesopen.com>
12977 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12978 for shifts where the source and destination registers are different.
12980 2006-01-18 Paul Brook <paul@codesourcery.com>
12982 Merge from csl-arm-branch.
12983 2005-03-14 Julian Brown <julian@codesourcery.com>
12984 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12985 (aeabi_llsl): Likewise.
12986 (ashrdi3): Likewise.
12987 (aeabi_lasr): Likewise.
12988 (lshrdi3): Likewise.
12989 (aeabi_llsr): Likewise.
12990 2005-03-10 Julian Brown <julian@codesourcery.com>
12991 * config.gcc: Disable shared libgcc for SymbianOS.
12992 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12994 2006-01-18 DJ Delorie <dj@redhat.com>
12996 * c-pragma.c (handle_pragma_diagnostic): New.
12997 (init_pragma): Register it.
12998 * doc/extend.texi: Document it.
13000 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13001 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13002 (diagnostic_context): Add classify_diagnostic[].
13003 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13004 as errors if they're overridden to DK_WARNING.
13005 (diagnostic_initialize): Initialize classify_diagnostic[].
13006 (diagnostic_set_kind_override): New.
13007 (diagnostic_report_diagnostic): Check for kind changes.
13008 * opts.c (common_handle_option): Take lang_mask. Update callers.
13009 Handle OPT_Werror_.
13010 * common.opt (Werror=): New.
13011 * doc/invoke.texi: Document -Werror=*
13013 2006-01-18 Jeff Law <law@redhat.com>
13015 * tree-vrp.c (test_for_singularity): Correct test for new
13016 min limit. Use operand_equal_p rather than pointer equality
13017 for testing if new min/max values are equal.
13019 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13020 using range information until after propagation and folding.
13022 2006-01-18 Richard Henderson <rth@redhat.com>
13023 Aldy Hernandez <aldyh@redhat.com>
13024 Jakub Jelinek <jakub@redhat.com>
13025 Diego Novillo <dnovillo@redhat.com>
13027 * omp-low.c: New file.
13028 * c-omp.c: New file.
13030 2006-01-18 Richard Henderson <rth@redhat.com>
13031 Jakub Jelinek <jakub@redhat.com>
13032 Diego Novillo <dnovillo@redhat.com>
13034 * doc/invoke.texi: Document -fopenmp.
13035 * tree-dump.h (debug_function): Declare.
13036 * hooks.c (hook_bool_tree_bool_false): New function.
13037 (hook_tree_tree_null): Remove.
13038 (hook_tree_tree_tree_null): New.
13039 * hooks.h: Update to match.
13040 * tree-pretty-print.c (debug_tree_chain): New.
13041 (print_generic_expr): Handle TDF_CHAIN.
13042 (dump_generic_node): Handle BLOCK.
13043 Do not abort with incomplete SWITCH_EXPRs.
13044 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13045 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13046 print space after directive name.
13047 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13048 Handle OMP_MASTER and OMP_ORDERED.
13049 Handle printing of OMP_BODY just in one place, goto
13050 dump_omp_body in the rest of OMP_* nodes that have
13052 Don't handle clause nodes here. Update omp statements to
13053 use dump_omp_clauses.
13054 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13055 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13056 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13057 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13058 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13059 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13060 Adjust output for GOMP_PARALLEL.
13061 (dump_omp_clauses): New.
13062 (print_declaration): Dump DECL_VALUE_EXPR.
13063 (op_symbol_1): Split out of op_symbol.
13064 (dumping_stmts): Remove. Update all users.
13065 * cgraph.c (cgraph_analyze_queue): New.
13066 (cgraph_add_new_function): New.
13067 * cgraph.h (cgraph_analyze_queue): Declare.
13068 (cgraph_add_new_function): Declare.
13069 (cgraph_lower_function): Remove.
13070 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13071 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13072 and TYPE_P nodes in its default clause.
13073 (empty_body_p): New.
13074 (tree_range_check_failed): New.
13075 (build5_stat): New.
13076 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13077 OMP_CLAUSE_REDUCTION_MERGE,
13078 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13079 OMP_CLAUSE_PRIVATE_DEBUG,
13080 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13081 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13082 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13083 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13084 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13085 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13086 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13087 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13088 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13089 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13090 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13091 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13092 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13093 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13094 (TREE_RANGE_CHECK): New.
13095 (empty_body_p): Declare.
13096 (enum omp_clause_default_kind): New.
13097 (build_string_literal): Declare.
13098 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13099 (build5_stat, build5): Declare.
13100 * tree-pass.h (TDF_CHAIN): Define.
13101 * tree-pass.h (PROP_gimple_lomp): Define.
13102 (pass_lower_omp): Declare.
13103 * diagnostic.h (debug_tree_chain): Declare.
13104 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13106 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13107 * builtins.c (build_string_literal): Make extern.
13108 * gcc.c (include_spec_function): New.
13109 (static_spec_functions): Add it.
13110 (main): Move load of libgomp.spec ...
13111 (LINK_COMMAND_SPEC): ... here.
13112 (link_gomp_spec): New.
13113 (static_specs): Include it.
13114 (LINK_COMMAND_SPEC): Add link_gomp.
13115 (GOMP_SELF_SPECS): New.
13116 (driver_self_specs): Include it.
13117 (switch_matches): Don't mark inline.
13118 (main): Load libgomp.spec.
13119 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13120 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13121 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13122 * tree-gimple.h (enum omp_parallel): Declare.
13123 (determine_parallel_type): Declare.
13124 (omp_firstprivatize_variable): Declare.
13125 (omp_reduction_init): Declare.
13126 (diagnose_omp_structured_block_errors): Declare.
13127 (struct walk_stmt_info): Add want_return_expr.
13128 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13129 (find_omp_clause): Declare.
13130 (insert_field_into_struct): Declare.
13131 (struct walk_stmt_info): Move from tree-nested.c
13132 (walk_stmts): Declare.
13133 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13135 * cgraphunit.c (cgraph_lower_function): Make static.
13136 (cgraph_finalize_pending_functions): New.
13137 (cgraph_finalize_function): Call it.
13138 (cgraph_finalize_compilation_unit): Likewise.
13139 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13140 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13141 (BT_FN_UINT_UINT): New.
13142 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13143 DEF_FUNCTION_TYPE_VAR_4): Document.
13144 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13145 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13146 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13147 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13148 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13149 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13150 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13151 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13152 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13153 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13154 into separate files.
13155 (DEF_GOMP_BUILTIN): New.
13156 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13157 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13158 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13159 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13160 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13161 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13162 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13163 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13164 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13165 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13166 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13167 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13168 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13169 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13170 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13171 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13172 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13173 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13174 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13175 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13176 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13177 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13178 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13179 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13180 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13181 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13182 * sync-builtins.def: New file, moved from builtins.def.
13183 * omp-builtins.def: New file, moved from builtins.def.
13184 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13185 * gimple-low.c (lower_function_body): Clear data.
13186 (lower_stmt): Do not handle COMPOUND_EXPR.
13187 Remove call to print_node_brief.
13188 * c-tree.h (c_finish_omp_clauses): New prototype.
13189 (C_DECL_THREADPRIVATE_P): Define.
13190 (lookup_name_no_remap, c_omp_remap_private): Remove
13191 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13192 (check_for_loop_decls): Update decl.
13193 (lookup_name_no_remap, c_omp_remap_private): Declare.
13194 (build_indirect_ref, build_modify_expr, pushdecl,
13195 pushdecl_top_level): Move to c-common.h.
13196 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13197 before the switch, but just in the 2 places that need it.
13198 * c-decl.c (diagnose_mismatched_decls): Do not check for
13199 mismatched thread-local attributes when OLDDECL is marked
13200 threadprivate and NEWDECL has no thread-local attributes.
13201 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13202 (c_gimple_diagnostics_recursively): Rename from
13203 c_warn_unused_result_recursively. Invoke
13204 diagnose_omp_structured_block_errors.
13205 (check_for_loop_decls): Return a singular decl found.
13206 * langhooks.c (lhd_omp_predetermined_sharing): Return
13207 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13208 (lhd_omp_firstprivatize_type_sizes): New.
13209 (lhd_omp_assignment): New.
13210 (lhd_omp_predetermined_sharing): New.
13211 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13212 (struct lang_hooks_for_types): Add
13213 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13214 omp_predetermined_sharing, omp_disregard_value_expr,
13215 omp_private_debug_clause, omp_clause_default_ctor,
13216 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13217 (c_finish_omp_clauses): New.
13218 (c_finish_bc_stmt): Diagnose break within omp for.
13219 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13220 (build_unary_op): Return error_mark after reporting
13222 (build_modify_expr): Likewise.
13223 * gimplify.c: Include optabs.h and pointer-set.h.
13224 (enum gimplify_omp_var_data): Declare.
13225 (struct gimplify_omp_ctx): Declare.
13226 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13228 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13229 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13230 (splay_tree_compare_decl_uid): New.
13231 (new_omp_context): New.
13232 (delete_omp_context): New.
13233 (gimple_add_tmp_var): Call omp_add_variable.
13234 (gimplify_bind_expr): Likewise.
13235 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13236 true, disregard DECL_VALUE_EXPR on the decl if any.
13237 (gimplify_expr_in_ctx): New.
13238 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13239 omp_add_variable, omp_notice_variable, omp_is_private
13240 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13241 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13242 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13243 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13244 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13245 gimplify_omp_atomic): New.
13246 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13247 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13248 OMP_CRITICAL and OMP_ATOMIC.
13249 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13250 * c-pragma.h (enum pragma_kind): Add
13251 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13252 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13253 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13254 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13255 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13256 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13257 PRAGMA_OMP_THREADPRIVATE.
13258 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13259 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13260 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13261 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13262 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13263 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13264 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13265 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13266 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13267 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13268 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13269 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13270 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13272 (struct nesting_info): Add field_map,
13273 suppress_expansion, debug_var_chain.
13274 (create_nesting_tree): Initialize them.
13275 (lookup_field_for_decl): Use field_map.
13276 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13277 (convert_local_omp_clauses): New.
13278 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13279 (walk_body): Split out of walk_function.
13280 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13281 (convert_nonlocal_reference): Handle omp statements.
13282 (convert_local_reference): Likewise.
13283 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13284 (unnest_nesting_tree): New.
13285 (lower_nested_functions): Call it.
13286 (insert_field_into_struct): Make extern.
13287 (struct walk_stmt_info): Move to tree-gimple.h.
13288 (walk_stmts): Make extern.
13289 * omp-builtins.def: New file.
13290 * tree-iterator.c (expr_only): Clarify comment.
13291 * c-common.h (pushdecl_top_level, pushdecl,
13292 build_modify_expr, build_indirect_ref,
13293 c_finish_omp_master, c_finish_omp_critical,
13294 c_finish_omp_ordered, c_finish_omp_barrier,
13295 c_finish_omp_atomic, c_finish_omp_flush,
13296 c_finish_omp_for, c_split_parallel_clauses,
13297 omp_clause_default_kind, c_omp_sharing_predetermined,
13298 c_omp_remap_decl): Declare.
13299 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13300 (OBJS-common): Add omp-low.o.
13301 (c-omp.o, omp-low.o): Add.
13302 (gimplify.o): Add dependency on $(OPTABS_H).
13303 (GTFILES): Add omp-low.c.
13304 (gt-stringpool.h): Add.
13305 * tree-cfg.c (set_bb_for_stmt): Do not update the
13306 block-to-labels map if we are currently expanding to RTL.
13307 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13309 Handle IDENTIFIER_NODE.
13310 (tree_verify_flow_info): Do not ICE when emitting error
13311 messages about invalid labels.
13312 (dump_function_to_file): Reset CFUN before emitting the body
13314 (debug_function): New.
13315 * passes.c (init_optimization_passes): Schedule
13317 * langhooks-def.h (lhd_omp_predetermined_sharing,
13318 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13320 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13321 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13322 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13323 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13324 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13325 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13326 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13327 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13328 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13329 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13330 (LANG_HOOK_DECLS): Use them.
13332 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13333 Richard Henderson <rth@redhat.com>
13334 Jakub Jelinek <jakub@redhat.com>
13335 Diego Novillo <dnovillo@redhat.com>
13337 * c-parser.c (pragma_omp_clause): Define.
13338 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13339 (c_parser_compound_statement): Likewise.
13340 (c_parser_statement): Likewise.
13341 (c_parser_pragma): Handle omp pragmas.
13342 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13343 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13344 (c_parser_omp_clause_name, check_no_duplicate_clause,
13345 c_parser_omp_variable_list,
13346 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13347 c_parser_omp_clause_copyprivate,
13348 c_parser_omp_clause_default,
13349 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13350 c_parser_omp_clause_lastprivate,
13351 c_parser_omp_clause_nowait,
13352 c_parser_omp_clause_num_threads,
13353 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13354 c_parser_omp_clause_reduction,
13355 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13356 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13357 c_parser_omp_atomic, c_parser_omp_barrier,
13358 c_parser_omp_critical, c_parser_omp_flush,
13359 c_parser_omp_for_loop, c_parser_omp_for,
13360 c_parser_omp_master, c_parser_omp_ordered,
13361 c_parser_omp_sections_scope, c_parser_omp_sections,
13362 c_parser_omp_parallel, c_parser_omp_single,
13363 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13364 * c-pragma.c (init_pragma): Do omp pragma registration here.
13365 * c.opt (fopenmp): New flag.
13367 2006-01-18 Eric Christopher <echristo@apple.com>
13369 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13370 * config/darwin.h (GOMP_SELF_SPECS): Define.
13372 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13374 * rtl.h: Remove the prototype for reg_alloc.
13376 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13379 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13380 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13381 sjlj and dwarf2 exception handling.
13382 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13383 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13384 * pa/pa.c (function_value): Treat complex and vector types as
13386 (function_arg): Likewise. Only pass scalar floats in the floating
13387 point argument registers.
13388 * pa/t-slibgcc-dwarf-ver: New file.
13389 * pa/t-slibgcc-sjlj-ver: New file.
13390 * pa/t-slibgcc-elf-ver: Delete file.
13392 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13394 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13395 unlikely_test_section_p test.
13397 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13399 * mode-switching.c (optimize_mode_switching): Make it static.
13400 * basic-block.h: Remove the prototype for
13401 optimize_mode_switching.
13403 * modulo-sched.c (sms_schedule): Make it static.
13404 * rtl.h: Remove the prototype for sms_schedule.
13406 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13407 * rtl.h: Remove the prototype for gcse_after_reload_main.
13409 * reg-stack.c (reg_to_stack): Make it static.
13410 * rtl.h: Remove the prototype for reg_to_stack.
13412 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13414 * rtl.h: Remove the prototypes for regrename_optimize and
13415 copyprop_hardreg_forward.
13417 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13419 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13420 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13421 Test against the appropriate null constant for the mode.
13422 If 'fixup_overlap' is true, swap the operands if they overlap.
13423 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13424 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13425 alpha_split_tmode_pair and adjust for above change.
13426 * config/alpha/alpha.md (movtf_internal): Adjust call to
13427 alpha_split_tfmode_pair and rely on it to swap the operands.
13428 (movti_internal): New insn and post-reload splitter.
13429 (movti): New expander.
13431 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13433 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13436 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13438 * rtlanal.c (global_reg_mentioned_p_1,
13439 global_reg_mentioned_p): Remove.
13440 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13442 * flow.c (initialize_uninitialized_subregs): Make it static.
13443 * rtl.h: Remove the prototype for
13444 initialize_uninitialized_subregs.
13446 * function.c (instantiate_virtual_regs): Make it static.
13447 * function.h: Remove the prototype for
13448 instantiate_virtual_regs.
13450 * regmove.c (regmove_optimize, combine_stack_adjustments):
13452 * rtl.h: Remove the prototypes for regmove_optimize and
13453 combine_stack_adjustments.
13455 2006-01-17 Roger Sayle <roger@eyesopen.com>
13457 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13458 (size_cost): Encode costs in bytes so that a reg-reg addition is
13459 equivalent to COSTS_N_INSNS(1).
13460 (override_options): Use the size_cost.branch_cost as the default
13461 ix86_branch_cost when optimizing for size.
13463 2006-01-18 Ben Elliston <bje@au.ibm.com>
13465 * Makefile.in (D32PBIT_FUNCS): New.
13466 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13467 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13468 D64PBIT_FUNCS and D128PBIT_FUNCS.
13469 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13470 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13472 (decnumber_dep): Define.
13473 * doc/libgcc.texi (Decimal float library routines): New node.
13474 * config/dfp-bit.h, config/dfp-bit.c: New files.
13476 2006-01-18 Ben Elliston <bje@au.ibm.com>
13478 * expr.c (emit_move_change_mode): Always adjust addresses, not
13479 just during reload. Copy replacements only during reload.
13480 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13481 emit_move_via_integer.
13483 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13485 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13486 instead of $(srcdir) and ${srcdir}.
13488 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13491 PR middle-end/11135
13492 * arm.h (struct machine_function): Add pic_reg.
13493 * arm.c (arm_pic_register): Make unsigned.
13494 (arm_override_options): Only set arm_pic_register if
13495 TARGET_SINGLE_PIC_BASE.
13496 (use_return_insn): Only test for a pic register if it is fixed.
13497 (arm_compute_save_reg0_reg12_mask): Likewise.
13498 (thumb_compute_save_reg_mask): Likewise.
13499 (legitimate_pic_operand): Factor out some known invariants.
13500 (legitimize_pic_address): If we don't have a fixed pic register,
13501 then set up a pseudo in the function entry sequence. Handle the
13502 pic base being in a pseudo.
13503 (arm_load_pic_register): Handle the pic register being in a pseudo.
13504 (arm_expand_prologue): Only set up the pic register if it is fixed.
13505 (thumb_expand_prologue): Likewise.
13506 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13507 (pic_load_addr_based_insn): Likewise.
13508 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13511 2006-01-18 Ben Elliston <bje@au.ibm.com>
13513 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13514 decimal float modes for all floating point registers.
13516 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13517 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13519 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13522 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13523 even when the pointer is not NULL.
13525 2006-01-16 Ian Lance Taylor <ian@airs.com>
13527 * common.opt (ftoplevel-reorder): New option.
13528 * cgraph.c (cgraph_asm_nodes): New global variable.
13529 (cgraph_asm_last_node): New static variable.
13530 (cgraph_order): New global variable.
13531 (cgraph_create_node): Set new order field.
13532 (cgraph_varpool_node): Likewise.
13533 (decide_is_variable_needed): Return true if not
13534 flag_toplevel_reorder.
13535 (cgraph_add_asm_node): New function.
13536 * cgraph.h (struct cgraph_node): Add order field.
13537 (struct cgraph_varpool_node): Add order field.
13538 (struct cgraph_asm_node): Define.
13539 (cgraph_asm_nodes, cgraph_order): Declare.
13540 (cgraph_add_asm_node): Declare.
13541 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13543 (cgraph_varpool_assemble_pending_decls): Call it.
13544 (cgraph_output_pending_asms): New static function.
13545 (cgraph_finalize_compilation_unit): Call it.
13546 (struct cgraph_order_sort): Define.
13547 (cgraph_output_in_order): New static function.
13548 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13549 !flag_toplevel_reorder case.
13550 * c-parser.c: Include "cgraph.h".
13551 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13553 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13554 than -fno-unit-at-a-time.
13555 * doc/invoke.texi (Option Summary): Mention
13556 -fno-toplevel-reorder.
13557 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13558 -funit-at-a-time documentation.
13560 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13561 Kazu Hirata <kazu@codesourcery.com>
13563 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13565 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13567 * Makefile.in (FUNCTION_H): New. Use it instead of
13568 function.h throughout the file.
13569 * function.h: Include tree.h.
13571 2006-01-17 Ben Elliston <bje@au.ibm.com>
13573 * recog.c: Separate some functions with whitespace.
13575 2006-01-16 Richard Henderson <rth@redhat.com>
13577 Merge from gomp branch:
13578 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13579 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13580 and rename from struct inline_data. Rename callee* to dst*;
13581 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13582 transform_new_cfg, transform_return_to_modify, and
13583 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13585 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13586 (copy_decl_for_dup): Remove.
13587 * tree-inline.c (struct inline_data): Move to header.
13588 (insert_decl_map): Export.
13589 (remap_decl): Update for member name changes. Use copy_decl hook.
13590 Allow for replacement to be a non-decl. Remove dead code.
13591 (remap_type_1): Check for existing mapping.
13592 (remap_type): Export.
13593 (remap_decls): Update for member name changes.
13594 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13595 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13596 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13597 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13598 (tree_function_versioning, build_duplicate_type): Likewise.
13599 (copy_body_r): Likewise. Export.
13600 (copy_decl_for_dup): Split into ...
13601 (copy_decl_for_dup_finish, copy_decl_to_var,
13602 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13603 (replace_ref_tree, inlining_p): Remove.
13605 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13607 * ifcvt.c (if_convert): Make it static.
13608 * rtl.h: Remove the prototype for if_convert.
13610 * local-alloc.c (local_alloc): Make it static.
13611 * rtl.h: Remove the prototype for local_alloc.
13613 * loop.c (loop_optimize): Make it static.
13614 * cfgloop.h: Remove the prototype for loop_optimize.
13617 2006-01-16 DJ Delorie <dj@redhat.com>
13619 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13622 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13624 * pa.md: Disparage copies between general and floating-point registers
13625 in 32-bit move patterns.
13627 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13630 * Makefile.in (check-%): Depend on site.exp instead of
13631 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13634 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13636 * global.c (global_alloc): Make it static.
13637 * rtl.h: Remove the prototype for global_alloc.
13639 2006-01-16 Richard Guenther <rguenther@suse.de>
13641 * tree-ssa-alias.c (struct used_part): Add write_only field.
13642 (get_or_create_used_part_for): Initialize it to true.
13643 (create_overlap_variables_for): Don't create structure variables
13644 for structures that only are written to.
13645 (find_used_portions): Handle MODIFY_EXPR to track whether a
13646 structure is only written to.
13648 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13650 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13652 * basic-block.h: Remove the prototype for
13653 partition_hot_cold_basic_blocks.
13655 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13657 * cppspec.c (lang_specific_spec_functions): Remove.
13658 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13659 * gcc.h (lang_specific_spec_functions): Remove.
13660 * gccspec.c (lang_specific_spec_functions): Remove.
13662 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13664 * combine.c (record_value_for_reg): Invalidate registers
13666 (record_dead_and_set_regs_1): Likewise, by passing them to
13667 record_value_for_reg.
13668 (record_dead_and_set_regs): Invalidate stores made by a
13669 call. We do not combine across a call, but we still
13670 relied on equivalences.
13672 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13674 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13675 vrp_int_const_binop returning non-constant nodes.
13677 2006-01-16 Paul Brook <paul@codesourcery.com>
13679 * config/m68k/m68k.c (output_move_const_into_data_reg):
13680 Output correct mnemonic for mvz and mvs.
13682 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13684 * rtl-factoring.c: Add sequence abstraction algorithm.
13685 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13686 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13688 (block_has_preserve_label): New function.
13689 * common.opt: Register new pass.
13690 * Makefile.in: Ditto.
13692 * timevar.def: Ditto.
13693 * tree-pass.h: Ditto.
13694 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13695 * rtl.h (make_jump_insn_raw): Add forward decl.
13696 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13698 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13699 Roger Sayle <roger@eyesopen.com>
13701 * fold-const.c (fold_minmax): New static function.
13702 (fold_binary) <MIN_EXPR>: Call it.
13703 <MAX_EXPR>: Likewise.
13704 * stor-layout.c (place_field): Use DECL_SIZE consistently
13705 in the computation of the new record size.
13707 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13709 * cse.c (cse_condition_code_reg): Make it static.
13710 * rtl.h: Remove the prototype for cse_condition_code_reg.
13712 * combine.c (combine_instructions): Make it static.
13713 * rtl.h: Remove the prototype for combine_instructions.
13715 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13718 * tree.c (get_file_function_name_long): Concatenate the first global
13719 object name with a string derived from the input filename of the object
13722 2006-01-16 Ben Elliston <bje@au.ibm.com>
13724 * config/i386/winnt-stubs.c: Update FSF address.
13725 * config/xtensa/ieee754-df.S: Ditto.
13726 * config/xtensa/ieee754-sf.S: Ditto.
13728 2006-01-14 Ian Lance Taylor <ian@airs.com>
13730 * ifcvt.c (noce_init_if_info): New static function, broken out of
13731 noce_process_if_block.
13732 (noce_process_if_block): Call noce_init_if_info.
13733 (check_cond_move_block): New static function.
13734 (cond_move_process_if_block): New static function.
13735 (process_if_block): Call cond_move_process_if_block.
13737 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13739 * cselib.c (hash_table): Rename to cselib_hash_table.
13740 (cselib_clear_table, discard_useless_values,
13741 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13742 cselib_init, cselib_finish): Adjust uses of hash_table.
13744 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13746 PR tree-optimization/25485
13747 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13748 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13749 is known to be false and true, respectively.
13751 2006-01-14 Richard Guenther <rguenther@suse.de>
13753 PR tree-optimization/22548
13754 PR tree-optimization/22555
13755 PR tree-optimization/22501
13756 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13757 * params.def (salias-max-array-elements): New parameter.
13758 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13759 * doc/invoke.texi (salias-max-array-elements): Document.
13760 * tree-flow-inline.h (var_can_have_subvars): We also handle
13762 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13764 * tree-ssa-structalias.c (params.h): Include.
13765 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13766 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13767 (get_constraint_for): For ADDR_EXPR operating on something
13768 containing an ARRAY_REF, add all subvars to the solution.
13769 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13770 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13771 for creating MUST_DEFs.
13772 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13774 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13776 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13778 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13779 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13780 number_of_iterations_le): New functions.
13781 (number_of_iterations_special): Removed.
13782 (number_of_iterations_exit): Do not use number_of_iterations_special.
13783 * tree.c (unsigned_type_for): Always return integer type.
13785 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13786 Richard Guenther <rguenther@suse.de>
13788 PR rtl-optimization/24257
13789 * gcse.c (find_moveable_store): Only consider a store movable
13790 when the SET_SRC of the insn can be assigned to a register.
13792 2006-01-14 Ian Lance Taylor <ian@airs.com>
13794 * tree.c (tree_not_class_check_failed): New function.
13795 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13796 (tree_not_class_check_failed): Declare.
13798 2006-01-13 Ian Lance Taylor <ian@airs.com>
13800 * reload1.c (do_output_reload): Add assertion rejecting a
13803 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13805 * combine.c (struct reg_stat): Add new fields truncation_label and
13807 (record_value_for_reg): Reset truncated_to_mode.
13808 (record_truncated_value): New function.
13809 (check_promoted_subreg): Call it. Rename to check_conversions.
13810 (combine_instructions): Rename check_promoted_subreg to
13812 (reg_truncated_to_mode): New function.
13813 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13814 (gen_lowpart_or_truncate): New function.
13815 (force_to_mode): Use it instead of gen_lowpart.
13817 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13819 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13820 VAR is a tag, not its type tag.
13822 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13824 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13825 alternatives to match style of other entries.
13826 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13828 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13830 PR tree-optimization/25771
13831 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13834 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13837 * tree-inline.c (declare_return_variable): If the return variable
13838 was marked as a non gimple complex, set the return slot variable
13839 to be a non gimple comple variable.
13841 2006-01-13 Richard Guenther <rguenther@suse.de>
13843 * builtins.c (expand_builtin_sincos): New function.
13844 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13846 (expand_builtin): Expand sincos using expand_builtin_sincos.
13848 2006-01-12 DJ Delorie <dj@redhat.com>
13850 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13851 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13852 so that constant shifts can be split.
13853 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13854 (m32c_valid_pointer_mode): Make static.
13855 (shift_gen_func_for): New.
13856 (m32c_prepare_shift): Use it. Split large const shifts into
13858 * config/m32c/predicates.md (shiftcount_operand): Allow more
13860 (longshiftcount_operand): New.
13861 * doc/md.texi (Machine Constraints): Document In6.
13863 2006-01-13 Ben Elliston <bje@au.ibm.com>
13865 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13866 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13869 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13871 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13872 to try to avoid clobbering pieces of structures when we know
13873 something about the whole structure.
13874 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13876 2006-01-13 Ben Elliston <bje@au.ibm.com>
13878 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13879 return in memory, as this is no limitation is no longer present.
13881 2006-01-12 DJ Delorie <dj@redhat.com>
13883 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13884 mova with fb, and for fb+0 -> An.
13886 * config/m32c/mov.md (peephole2): Fix enabling logic.
13888 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13889 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13890 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13891 FINI_ARRAY_SECTION_ASM_OP): Define.
13893 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13895 (m32c_legitimize_reload_address): New logic to reload FB to An.
13896 (m32c_output_reg_push): Add newline.
13897 (m32c_output_reg_pop): Likewise.
13899 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13901 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13903 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13905 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13907 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13909 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13912 2006-01-11 Ben Elliston <bje@au.ibm.com>
13914 * rtlanal.c (find_reg_note): Assert insn is not null.
13916 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13918 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13921 2006-01-11 Jeff Law <law@redhat.com>
13923 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13925 (mark_threaded_blocks, register_jump_thread): New functions.
13926 (thread_through_all_blocks): Remove unwanted argument. No
13927 longer rely on e->aux to communicate thread target info.
13928 Call mark_threaded_blocks. Release the threaded_blocks
13929 bitmap and threaded_edges vector when complete.
13930 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13931 (threaded_blocks): Remove.
13932 (tree_ssa_dominator_optimize): Remove initialization and
13933 finalization of threaded_blocks. Simplify call to
13934 thread_through_all_blocks.
13935 (thread_across_edge): Call register_jump_thread rather than
13936 storing thread information into e->aux.
13937 (free_all_edge_infos): Simplify now that e->aux is no longer
13938 used to communicate with thread_through_all_blocks.
13939 * tree-flow.h (thread_through_all_blocks): Update prototype.
13940 (register_jump_thread): Prototype.
13942 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13944 * df-core.c (df_compact_blocks, df_bb_replace): Use
13945 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13947 2006-01-11 Richard Guenther <rguenther@suse.de>
13949 PR tree-optimization/25734
13950 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13951 stop propagation after successful propagation to the LHS.
13953 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13955 * basic-block.h (control_flow_graph): Change the type of
13956 x_basic_block_info to VEC(basic_block,gc) *.
13957 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13959 (SET_BASIC_BLOCK): New.
13960 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13961 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13962 * cfgbuild.c (find_basic_blocks): Likewise.
13963 * cfglayout.c (fixup_reorder_chain): Likewise.
13964 * cfgrtl.c (create_basic_block_structure,
13965 rtl_create_basic_block): Likewise.
13966 * ifcvt.c (find_if_case_1): Likewise.
13967 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13970 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13972 * Makefile.in: Removed rotted odf.c entry.
13974 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13977 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13978 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13979 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13980 output pattern modifier, not %e.
13981 * config/cris/cris.c (cris_op_str): Update comment about pattern
13983 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13984 before falling through into...
13985 <case 'E'>: Redefined from old 'e' case.
13987 2006-01-11 Jan Hubicka <jh@suse.cz>
13990 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13992 2006-01-11 Jan Hubicka <jh@suse.cz>
13994 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13995 * i386.c (x86_decompose_lea): Kill.
13996 (ix86_rtx_costs): Kill.
13998 2006-01-11 Jan Hubicka <jh@suse.cz>
14000 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14001 * cgraph.h (cgraph_node): Add inline_decl.
14002 (cgraph_insert_node_to_hashtable): Declare.
14003 (save_inline_function_body): Declare.
14004 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14006 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14007 (cgraph_function_versioning): Update call of tree_function_versioning.
14008 (save_inline_function_body): New function.
14009 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14010 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14011 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14012 (cgraph_default_inline_p): Likewise.
14013 (cgraph_decide_inlining_incrementally): Likewise.
14014 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14015 (copy_bb): Kill saving; do updating of clones.
14016 (copy_cfg_body): Kill saving.
14017 (initialize_inlined-parameters): Likewise.
14018 (expand_call_inline): Likewise.
14020 (tree_function_versioning): New parameter "update_clones".
14021 (inlining_p): Kill saving.
14022 * tree-inline.h (tree_function_versioning): Update prototype.
14023 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14026 2006-01-11 Ian Lance Taylor <ian@airs.com>
14028 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14029 Allow undoing set of machine mode.
14030 (do_SUBST): Use enums instead of is_int.
14031 (do_SUBST_MODE): New function.
14032 (SUBST_MODE): New macro.
14033 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14034 reg and trying to replace reg_regno_rtx with a new register.
14035 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14036 (simplify_set): Use SUBST_MODE.
14037 (distribute_notes): Remove code that tried to update reg notes
14038 for regno_reg_rtx changes.
14040 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14042 PR tree-optimization/23109
14043 PR tree-optimization/23948
14044 PR tree-optimization/24123
14046 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14047 * tree-cfg.c (single_noncomplex_succ): New.
14048 * tree-flow.h (single_noncomplex_succ): Declare it.
14049 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14050 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14051 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14052 insert_bb, register_division_in, insert_reciprocals,
14053 replace_reciprocal, free_bb): New.
14054 (execute_cse_reciprocals_1): Rewritten.
14055 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14056 Do not commit any edge insertion. Always compute dominators and
14057 create the allocation pool.
14058 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14059 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14060 * targhooks.c (default_min_divistions_for_recip_mul): New.
14061 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14062 * passes.c (init_optimization_passes): Run recip after tree loop
14064 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14066 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14067 Kenneth Zadeck <zadeck@naturalbridge.com>
14069 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14070 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14071 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14072 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14073 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14074 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14075 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14076 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14077 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14078 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14079 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14080 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14081 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14082 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14083 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14084 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14085 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14086 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14087 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14088 DF_SCAN_POST_ALLOC): New macros.
14089 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14090 df_free_bb_function, df_local_compute_function, df_init_function,
14091 df_dataflow_function, df_confluence_function_0,
14092 df_confluence_function_n, df_transfer_function,
14093 df_finalizer_function, df_free_function, df_dump_problem_function,
14094 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14095 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14096 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14097 df_urec_bb_info, ) New types.
14098 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14100 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14101 df_analyze_simple_change_some_blocks,
14102 df_analyze_simple_change_one_block, df_compact_blocks,
14103 df_bb_replace, df_bb_regno_last_use_find,
14104 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14105 df_insn_regno_def_p, df_find_def, df_find_use,
14106 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14107 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14108 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14109 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14110 debug_df_chain, df_get_dependent_problem, df_chain_create,
14111 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14112 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14113 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14114 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14115 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14116 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14117 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14118 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14119 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14120 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14121 df_reorganize_refs, df_set_state, df_hard_reg_init,
14122 df_read_modify_subreg_p) New public functions.
14123 * df-core.c: The core dataflow solver and glue routines for rtl
14125 (df_init, df_add_problem, df_set_blocks, df_finish,
14126 df_hybrid_search_forward, df_hybrid_search_backward,
14127 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14128 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14129 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14130 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14131 df_reg_defined, df_find_use, df_reg_used, df_dump,
14132 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14133 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14134 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14135 debug_df_useno, reset_df_after_reload): New functions.
14136 * df-scan.c: The scanning fuctions, once in df.c, completely
14137 rewritten so that they now fully model the functionality of
14138 register usage at the backend.
14139 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14140 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14141 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14142 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14143 df_get_artificial_defs, df_get_artificial_uses,
14144 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14145 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14146 df_refs_delete, df_reorganize_refs, df_set_state,
14147 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14148 df_def_record_1, df_defs_record, df_uses_record,
14149 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14150 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14151 df_record_exit_block_uses, df_hard_reg_init): New functions.
14153 * df-problems.c: Seven concrete dataflow problems that use the
14154 scanning in df-scan.c and are solved by the engine in df-core.c.
14155 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14156 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14157 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14158 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14159 df_ru_free_bb_info, df_ru_alloc,
14160 df_ru_bb_local_compute_process_def,
14161 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14162 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14163 df_ru_transfer_function, df_ru_free, df_ru_dump,
14164 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14165 df_rd_free_bb_info, df_rd_alloc,
14166 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14167 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14168 df_rd_transfer_function, df_rd_free, df_rd_dump,
14169 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14170 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14171 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14172 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14173 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14174 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14175 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14176 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14177 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14178 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14179 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14180 df_urec_mark_reg_use_for_earlyclobber,
14181 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14182 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14183 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14184 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14185 df_chain_create_bb_process_use, df_chain_create_bb,
14186 df_chain_finalize, df_chain_free, df_chains_dump,
14187 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14188 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14189 df_reg_lifetime): New functions.
14190 * df.c: Deleted file.
14191 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14192 consistent with new df api.
14193 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14194 rest_of_handle_sms): Ditto.
14195 * web.c (unionfind_union, union_defs, entry_register, web_main):
14197 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14198 invariant_expr_equal_p, find_defs, check_dependencies,
14199 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14200 free_inv_motion_data, move_loop_invariants): Ditto.
14201 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14202 Update dependencies.
14203 (odf.c): Added defective entry that was deleted later in day.
14204 * sched-deps.c (sched_analyze_1): Ditto.
14206 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14208 * tree-ssa-operands.c (get_expr_operands): Record addressable
14209 variables directly. Do not call add_stmt_operands for CONST_DECLs
14211 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14212 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14214 2006-01-11 Ben Elliston <bje@au.ibm.com>
14216 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14217 function returns true in the positive case.
14219 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14222 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14223 for SI, DI, SF and DF modes. Add alternatives to copy between
14224 general and floating point registers to the 32-bit patterns.
14225 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14226 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14227 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14228 generating 64-bit code.
14229 * config/pa/pa.c (output_move_double): Handle copies between general
14230 and floating registers.
14232 2006-01-10 Stuart Hastings <stuart@apple.com>
14234 * config/i386/i386.md (set_got): Update.
14235 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14236 (builtin_setjmp_receiver): Mach-O support.
14237 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14238 (GOT_SYMBOL_NAME): Define.
14239 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14240 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14241 * config/i386/i386.c (override_options): Revise for Darwin.
14242 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14243 support. (darwin_x86_file_end): New. (output_set_got): Add label
14244 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14245 * config/i386/i386-protos.h (output_set_got): Likewise.
14246 * config/darwin.c (machopic_legitimize_pic_address): Update
14249 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14251 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14252 when MODE isn't BLKmode.
14254 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14256 PR rtl-optimization/25367
14257 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14259 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14262 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14263 for a negative bound.
14265 2006-01-10 Richard Guenther <rguenther@suse.de>
14267 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14268 Never override with anything constraint.
14270 2006-01-10 Jan Beulich <jbeulich@novell.com>
14272 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14273 256 bits when optimize_size.
14275 2006-01-10 Jan Beulich <jbeulich@novell.com>
14277 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14279 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14280 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14283 2006-01-10 Ben Elliston <bje@au.ibm.com>
14285 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14287 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14288 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14289 (USE_FP_FOR_ARG): Reject decimal float modes.
14290 (function_arg_advance): Likewise.
14291 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14292 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14293 point types in AltiVec vectors.
14294 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14295 (rs6000_libcall_value): Likewise.
14297 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14299 * config/xtensa/ieee754-df.S: New file.
14300 * config/xtensa/ieee754-sf.S: New file.
14301 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14302 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14303 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14305 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14307 * config/sh/predicates.md (binary_float_operator,
14308 binary_logical_operator, commutative_float_operator,
14309 equality_comparison_operator, greater_comparison_operator,
14310 less_comparison_operator, logical_operator,
14311 noncommutative_float_operator, shift_operator,
14312 symbol_ref_operand, unary_float_operator): Remove redundant
14315 2006-01-09 Jeff Law <law@redhat.com>
14317 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14318 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14319 now unused arguments. Callers updated.
14320 (eliminate_redundant_computations): Remove now unused arguments,
14322 (local_fold): Remove, no longer used.
14323 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14325 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14326 (simplify_cond): New function.
14327 (forward_propagate_into_cond): Call simplify_cond.
14329 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14331 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14332 (*vec_extractv2di_1_sse): New.
14334 2006-01-09 Ben Elliston <bje@au.ibm.com>
14336 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14338 2006-01-08 Richard Guenther <rguenther@suse.de>
14340 * tree-ssa-structalias.c (get_constraint_for): Remove
14341 anyoffset argument.
14342 (get_constraint_for_component_ref): Likewise.
14343 (do_deref): Likewise.
14344 (get_constraint_for): Likewise.
14345 (do_structure_copy): Likewise.
14346 (handle_ptr_arith): Likewise.
14347 (find_func_aliases): Likewise. Remove unused need_anyoffset
14350 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14351 Kaz Kojima <kkojima@gcc.gnu.org>
14353 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14354 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14355 (EXTRA_CONSTRAINT_C16): Remove.
14356 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14357 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14358 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14359 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14360 constants of SHmedia. Handle nested constant expressions of
14362 (andcosts): Fix the costs for SHmedia constants.
14363 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14364 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14365 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14366 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14367 (movv4hi_i, movv2si_i): Likewise.
14368 (movsi_const): Adjust the second operand of ior so to match with
14369 the Csu constraint.
14370 (movdi_const, movdi_const_32bit): Likewise.
14371 (movdi_const_16bit+1): Don't sign-extend LOW.
14372 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14374 (*double_shori): Fix the split condition. Use GEN_INT instead
14375 of get_int_mode calls. Mask lower 16-bit of the argument of
14377 (sym2GOTPLT): Remove.
14378 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14380 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14381 instead of EXTRA_CONSTRAINT_C16.
14383 2006-01-07 Ian Lance Taylor <ian@airs.com>
14384 David Edelsohn <edelsohn@gnu.org>
14386 PR rtl-optimization/25662
14387 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14388 for constant operands instead of simplify_gen_binary.
14389 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14390 after trying simplify_binary_operation
14392 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14394 * tree.c (iterative_hash_expr): Hash decls based on UID.
14396 2006-01-06 Eric Christopher <echristo@apple.com>
14398 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14399 (TARGET_UNWIND_EMIT): Fix spelling.
14400 * target.h (gcc_target): Add except_table_label.
14401 * except.c (output_function_exception_table): Use.
14402 * varasm.c (default_emit_except_table_label): New.
14403 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14405 (asm_out): Add here.
14406 * output.h (default_emit_except_table_label): Prototype.
14407 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14408 * config/darwin.c (darwin_emit_except_table_label): Define.
14409 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14411 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14413 PR tree-optimization/18527
14414 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14415 number_of_iterations_special, number_of_iterations_exit):
14416 Move base and step of an iv to a single structure. Add
14417 no_overflow flag, and use it in # of iterations analysis.
14418 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14419 folded_casts argument.
14420 (simple_iv): Pass base and step in a structure. Set no_overflow
14422 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14423 Evaluate expensiveness of computing # of iterations instead of
14424 the final expression.
14425 * tree-scalar-evolution.h (affine_iv): New structure.
14426 (simple_iv): Declaration changed.
14427 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14428 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14429 find_givs_in_stmt): Changed due to simple_iv change.
14431 2006-01-06 Jeff Law <law@redhat.com>
14434 * tree-cfg.c (bsi_replace): Rename final argument from
14435 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14436 change (stmt -> orig_stmt).
14437 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14438 (bsi_remove): Add new argument. Remove EH information
14440 (verify_eh_throw_table_statements): New function.
14441 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14443 * tree-optimize.c (execute_free_cfg_annotations): Verify
14444 the EH throw statement table after removing annotations.
14445 * except.h (verify_eh_throw_table_statements): Prototype.
14446 * tree-flow.h (bsi_remove): Update prototype.
14447 * tree-vrp.c (remove_range_assertions): Add new argument to
14449 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14450 * tree-complex.c (expand_complex_div_wide): Likewise.
14451 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14452 * tree-tailcall.c (eliminate_tailcall): Likewise.
14453 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14454 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14455 * tree-nrv.c (tree_nrv): Likewise.
14456 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14457 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14458 (combine_blocks): Likewise.
14459 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14460 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14461 (cleanup_control_flow): Likewise.
14462 (remove_forwarder_block): Likewise.
14463 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14464 * tree-sra.c (sra_replace): Likewise.
14465 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14466 (forward_propagate_single_use_vars): Likewise.
14467 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14468 * tree-inline.c (expand_call_inline): Likewise.
14469 * tree-vect-transform.c (vect_transform_loop): Likewise.
14470 * tree-outof-ssa.c (rewrite_trees): Likewise.
14471 * tree-cfg.c (make_goto_expr_edges): Likewise.
14472 (cleanup_dead_labels): Likewise.
14473 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14474 (bsi_move_before, bsi_move_after): Likewise.
14475 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14476 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14478 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14481 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14483 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14484 on non gimple variables. Also add checks at the top for decls and
14486 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14488 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14489 and IMAGPART_EXPR for creating MUST_DEFs.
14490 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14491 and NAME_MEMORY_TAG separately from the DECLs.
14493 2006-01-06 Richard Guenther <rguenther@suse.de>
14495 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14496 annotation, if necessary.
14497 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14498 redundant calls to update_stmt.
14499 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14502 2006-01-05 Richard Henderson <rth@redhat.com>
14504 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14506 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14508 * c-typeck.c: Update copyright date.
14510 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14512 * c-typeck.c (build_c_cast): Always warn when casting
14513 from a pointer to an integer of different size, even if
14514 the node was constant.
14516 2006-01-05 Richard Guenther <rguenther@suse.de>
14518 PR tree-optimization/22555
14519 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14520 if one structure field is an array.
14521 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14522 operands even if we found a subvar, but ignore VOPs in this
14524 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14526 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14528 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14530 PR middle-end/24998
14531 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14533 2006-01-05 Richard Guenther <rguenther@suse.de>
14534 Diego Novillo <dnovillo@redhat.com>
14536 * tree-pass.h (TODO_remove_unused_locals): Define.
14537 * gimple-low.c (expand_var_p, remove_useless_vars,
14538 pass_remove_useless_vars): Remove. Update all users.
14539 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14540 (remove_unused_locals): New function.
14541 * tree-flow.h (remove_unused_locals): Declare.
14542 * passes.c (execute_todo): Call remove_unused_locals if
14543 TODO_remove_unused_locals is set.
14544 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14545 * tree-ssa-dce.c (pass_dce): Likewise.
14546 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14548 2006-01-05 Richard Guenther <rguenther@suse.de>
14550 * tree-flow.h (struct fieldoff): Decompose field to
14551 type, size and decl.
14552 * tree-ssa-alias.c (create_sft): Take type as parameter.
14553 (create_overlap_variables_for): Store type, size and decl
14554 in the fieldoff structure.
14555 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14556 of struct fieldoff.
14557 (push_fields_onto_fieldstack): Likewise.
14558 (create_variable_info_for): Likewise. Use offset for the
14559 SFT name if the decl is not available.
14561 2006-01-04 Paul Brook <paul@codesourcery.com>
14563 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14565 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14567 * lambda-code.c (can_put_in_inner_loop): Relax
14569 (can_put_after_inner_loop): New function.
14570 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14571 (perfect_nestify): Change to make copies and modify uses.
14573 2006-01-04 Richard Henderson <rth@redhat.com>
14575 Merge from gomp branch:
14576 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14577 via integer constant.
14578 (pragma_lex): Remove.
14579 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14580 rather than parsing it.
14581 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14582 handle_pragma_extern_prefix): Add %< %> quotes.
14583 (registered_pragmas): New.
14584 (c_register_pragma_1): New.
14585 (c_register_pragma): Use it.
14586 (c_register_pragma_with_expansion): Likewise.
14587 (c_invoke_pragma_handler): New.
14588 (init_pragma): Use cpp_register_deferred_pragma directly for
14590 * c-pragma.h (enum pragma_kind): New.
14591 (pragma_handler): New.
14592 (c_invoke_pragma_handler): Declare.
14593 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14595 * c-common.h (c_common_pch_pragma): Update decl.
14596 * Makefile.in (c-parser.o): Update dependencies.
14597 (GTFILES): Add c-pragma.h.
14598 * c-parser.c (struct c_token): Add pragma_kind.
14599 (struct c_parser): Add in_pragma.
14600 (c_lex_one_token): Always initialize keyword and pragma_kind.
14601 Extract data for CPP_PRAGMA.
14602 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14603 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14604 Don't allow CPP_PRAGMA_EOL if in_pragma.
14605 (c_parser_consume_pragma): New.
14606 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14607 (c_parser_skip_to_end_of_parameter): Likewise.
14608 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14609 (c_parser_skip_to_pragma_eol): New.
14610 (c_parser_external_declaration): Handle CPP_PRAGMA.
14611 (c_parser_compound_statement_nostart): Likewise.
14612 (c_parser_statement_after_labels): Likewise.
14613 (c_parser_pragma): New.
14614 (pragma_lex): Likewise.
14615 (c_parser_pragma_pch_preprocess): New.
14616 (c_parser_new): Merge into ...
14617 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14619 2006-01-04 Jeff Law <law@redhat.com>
14622 * tree-cfg.c (bsi_replace): Remove the original statement
14623 from the EH throw statement table.
14625 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14627 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14628 make the prototype extern "C" and add throw ().
14631 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14632 and pos non-negative and pos + len <= 32.
14633 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14634 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14635 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14638 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14639 as well as sizes not multiple of component size.
14642 * function.c (instantiate_expr): New function.
14643 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14644 walk its DECL_VALUE_EXPR with instantiate_expr.
14646 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14647 DW_OP_deref{,_size} if address isn't going to be added.
14649 2006-01-04 Ben Elliston <bje@au.ibm.com>
14651 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14652 * config/fp-bit.c: Likewise.
14654 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14656 * dominance.c: Add comment about why we use DFS numbering
14659 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14660 Richard Henderson <rth@redhat.com>
14662 Merge from gomp-branch:
14663 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14664 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14666 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14668 PR rtl-optimization/25578
14669 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14670 pass a parameter to simplify_shift_const if changing ASHIFTRT
14673 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14675 * builtins.c (get_builtin_sync_mem): New function.
14676 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14677 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14678 Call get_builtin_sync_mem to generate mem rtx.
14680 2006-01-03 Richard Guenther <rguenther@suse.de>
14683 * stmt.c (add_case_node): Make sure to clear overflow flags
14686 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14688 Merge from gomp-branch.
14689 * config/sparc/sync.md: New file.
14690 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14691 UNSPECV_LDSTUB): New constants.
14692 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14693 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14694 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14697 2006-01-03 Roger Sayle <roger@eyesopen.com>
14699 * combine.c (reg_subword_p): New predicate to test whether the
14700 destination of a set refers to a subword/piece of a register.
14701 (try_combine): Generalize the code to merge the setting of a
14702 pseudo to a constant followed by a set of a subword of that
14703 register to a constant.
14705 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14707 * basic-block.h (control_flow_graph): Change the type of
14708 x_label_to_block_map to VEC(basic_block,gc) *.
14709 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14710 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14712 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14713 VEC(basic_block,heap) *.
14714 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14715 ssa_prop_fini): Adjust the uses of cfg_blocks.
14717 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14719 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14721 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14722 hashing trees instead of a pointer hash.
14723 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14724 compare for MEM_EXPR.
14726 PR rtl-optimization/25130
14727 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14728 when comparing MEMs for GCSE
14730 2006-01-03 Ben Elliston <bje@au.ibm.com>
14732 * targhooks.h (default_decimal_float_supported_p): Declare.
14733 * targhooks.c (default_decimal_float_supported_p): Define.
14734 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14735 `default_decimal_float_supported_p'.
14736 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14738 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14740 * combine.c (apply_distributive_law <SUBREG>): Check
14741 TRULY_NOOP_TRUNCATION.
14743 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14745 * dwarf2out.c (have_switched_text_section): Delete.
14746 (have_multiple_function_sections): New.
14747 (have_location_lists): Make 'bool'.
14748 (add_AT_loc_list): Use 'true' not '1'.
14749 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14750 (output_loc_list): Use have_multiple_function_sections.
14751 (output_ranges): Likewise.
14752 (dwarf2out_begin_function): Set have_multiple_function_sections if
14754 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14755 Check function_section rather than DECL_SECTION_NAME.
14756 (dwarf2out_finish): Use have_multiple_function_sections.
14757 Don't clear have_location_lists.
14759 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14760 Jan Hubicka <jh@suse.cz>
14762 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14763 case of conditional jump jumping to the next instruction.
14764 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14765 cases of conditional jump jumping to the next instruction.
14767 2006-01-02 Jan Hubicka <jh@suse.cz>
14769 * i386.c (*_cost): Add COSTS_N_INSNS.
14770 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14772 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14775 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14777 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14779 * config/arm/arm.c (all_fpus): Fix comment typo.
14780 * config/darwin.c: Likewise.
14781 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14782 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14783 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14785 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14787 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14788 (rs6000_split_compare_and_swapqhi): New.
14789 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14790 (sync_compare_and_swapqhi_internal): New.
14791 * config/rs6000/rs6000-protos.h: Declare.