1 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4 * config/bfin/bfin.c (basic-block.h): Include.
5 (struct machine_function): New.
6 (bfin_init_machine_status): New.
7 (override_options): Initialize init_machine_status.
8 (bfin_hardware_loop): New.
9 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10 (DEF_VEC_P (loop_info)): New.
11 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
12 (struct loop_info): New.
13 (loop_info): New typedef.
14 (struct loop_work): New.
15 (loop_work): New typedef.
16 (DEF_VEC_O (loop_work)): New.
17 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
18 (bfin_dump_loops): New.
19 (bfin_bb_in_loop): New.
20 (bfin_scan_loop): New.
21 (bfin_optimize_loop): New.
22 (bfin_reorg_loops): New.
23 (bfin_reorg): Use bfin_reorg_loops.
24 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
26 (I_REGNO_P): Simplify.
27 (DP_REGNO_P, DPREG_P): New macros.
28 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
29 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
30 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
31 Add LT_REGS, LC_REGS, LB_REGS.
32 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
34 (REGNO_REG_CLASS): Deal with loop registers.
35 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
37 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
38 New constants for loop registers.
39 (UNSPEC_LSETUP_END): New.
40 (seq_insns): New define_attr. Set it for appropriate insns.
41 (movsi_insn): Add alternatives for move from/to
43 (doloop_end): New define_expand.
44 (loop_end): New define_insn.
45 (define_split for bad doloop_end): New.
46 (lsetup_with_autoinit): New define_insn.
47 (lsetup_without_autoinit): New define_insn.
48 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
49 * config/bfin/predicates.md (lc_register_operand): New.
50 (lt_register_operand): New.
51 (lb_register_operand): New.
52 (nondp_register_operand): New.
53 (nondp_reg_or_memory_operand): New.
54 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
56 2006-05-31 Jie Zhang <jie.zhang@analog.com>
58 * config/bfin/bfin.c (bfin_delegitimize_address): New.
59 (TARGET_DELEGITIMIZE_ADDRESS): Define.
61 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
63 * Makefile.in (CATALOGS): Add po/ prefix.
64 * configure: Regenerated.
66 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
69 * arm.c (arm_print_operand case 'S'): Validate that the operand is
70 a shift operand before calling shift_op. Avoid redundant call of
73 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
74 DJ Delorie <dj@redhat.com>
76 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
77 we're inserting is a singlt-bit constant.
79 2006-05-30 Roger Sayle <roger@eyesopen.com>
81 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
82 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
84 2006-05-30 Roger Sayle <roger@eyesopen.com>
86 PR tree-optimization/23452
87 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
88 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
89 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
90 complex values and with -ffast-math for FP complex values.
92 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
94 * c-common.h: Remove the prototype for yyparse.
95 * rtl.h: Remove the prototype for init_loop.
97 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
99 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
102 2006-05-30 Roger Sayle <roger@eyesopen.com>
104 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
106 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
107 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
109 2006-05-30 Dirk Mueller <dmueller@suse.de>
112 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
113 for CONSTANT_CLASS_P expresisons.
115 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
118 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
120 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
122 PR tree-optimization/27779
123 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
124 initial_condition instead of CHREC_LEFT.
126 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
128 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
129 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
130 Make prototypes ISO C90.
132 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
133 Leehod Baruch <leehod.baruch@weizmann.ac.il>
135 * see.c (see_analyze_one_def): Correct check.
136 (see_get_extension_data): Check if extension is parallel.
137 (see_get_extension_reg): Likewise.
139 2006-05-30 Uros Bizjak <uros@kss-loka.si>
142 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
143 into register for (code == GTU).
145 2006-05-29 Roger Sayle <roger@eyesopen.com>
147 PR tree-optimization/24964
148 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
149 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
150 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
151 abs(x)*abs(x) as x*x for scalar floating point modes.
153 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
156 * lambda-code.c (perfect_nestify): Don't copy statements
157 in the inner loop: move them to the inner loop header.
159 2006-05-29 Diego Novillo <dnovillo@redhat.com>
162 * c-tree.texi: Document OpenMP directives and clauses.
164 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
166 * varasm.c (globalize_decl): Fix indentation.
168 2006-05-29 Diego Novillo <dnovillo@redhat.com>
171 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
172 pass_fre, pass_store_ccp, pass_copy_prop,
173 pass_store_copy_prop, pass_merge_phi, pass_nrv,
174 pass_return_slot, pass_object_size, pass_lim,
175 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
176 pass_loop_prefetch and pass_stdarg.
178 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
180 * config/bfin/bfin.opt (mfdpic): New option.
181 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
182 (EXTRA_MULTILIB_PARTS): Likewise.
183 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
184 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
186 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
187 (CRT_CALL_STATIC_FUNCTION): New.
188 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
190 (CRT_CALL_STATIC_FUNCTION): New.
191 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
193 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
194 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
195 (initialize_trampoline): Changed to handle FD-PIC code generation.
196 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
197 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
198 (override_options): Disallow -mid-shared-library -mfdpic combination.
199 Can't do unaligned ops if FD-PIC.
200 Turn off flag_pic if trying to generate non-id-shared-library
201 non-fdpic code, since it's not supported.
202 (bfin_assemble_integer): New function.
203 (TARGET_ASM_INTEGER): Define.
204 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
206 * config/bfin/crtn.s: Restore them.
207 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
209 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
210 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
211 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
212 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
213 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
215 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
216 FDPIC_REGS and FDPIC_FPTR_REGS.
217 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
218 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
219 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
220 (load_funcdescsi): New pattern.
221 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
222 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
223 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
225 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
227 * gcse.c, rtlanal.c: Remove obsolete comments associated with
230 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
232 * tree-flow.h: Remove the prototype for add_type_alias.
233 * tree-ssa-alias.c (add_type_alias): Remove.
235 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
237 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
238 config/fr30/fr30.md, config/i386/i386-interix.h,
239 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
240 config/sh/superh64.h, config/v850/v850.c, df-core.c,
241 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
242 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
243 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
244 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
245 Follow spelling conventions.
246 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
247 Follow spelling conventions.
249 2006-05-27 Richard Guenther <rguenther@suse.de>
252 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
253 to produce a constant of value 1 of generic type.
255 2006-05-27 Dirk Mueller <dmueller@suse.de>
257 * cgraphunit.c (decide_is_function_needed): Fix wrong
260 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
262 PR rtl-optimization/27661
263 * reload.c (find_reloads): When reloading a VOIDmode constant
264 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
265 use Pmode as mode of the reload register.
267 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
269 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
270 is enabled at -O and above.
272 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
275 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
278 2006-05-25 Mark Mitchell <mark@codesourcery.com>
281 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
282 for anonymous variables explicitly declared by front ends.
284 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
286 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
287 (struct alias_info): Add new field ref_all_symbol_mem_tag.
288 * tree-ssa-alias.c (compute_may_aliases): If the program contains
289 ref-all pointers, run a finalization pass for them.
290 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
291 (finalize_ref_all_pointers): New function.
292 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
293 regular pointer type to a ref-all pointer type.
294 (get_tmt_for): Return the special memory tag for ref-all pointers.
296 2006-05-25 Richard Guenther <rguenther@suse.de>
299 * fold-const.c (fold_binary): Do not look at the stripped
300 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
302 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
304 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
305 for LT and GT if the computed range is effectively empty.
307 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
310 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
311 mips_quad_format formats instead of ieee_single_format,
312 ieee_double_format and ieee_quad_format formats, respectively.
314 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
316 PR tree-optimization/27639
317 PR tree-optimization/26719
318 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
319 call to scev_probably_wraps_p.
320 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
321 used_in_pointer_arithmetic_p, convert_step): Removed.
322 (nowrap_type_p): New function.
323 (scev_probably_wraps_p): Rewritten.
324 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
325 chrec_convert if chrec_convert_aggressive might have been used.
326 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
327 scev_direction): New functions.
328 (chrec_convert): Changed to a wrapper over chrec_convert_1.
329 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
330 instead of convert_step.
331 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
332 (convert_step): Declaration removed.
333 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
335 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
337 * df-core.c: Added to header comments.
338 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
339 df_ur_bb_info, df_urec_bb_info): Added comments.
340 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
341 urec, ri problems): Fixed header comments.
342 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
343 code from df_rd_transfer_function.
345 2006-05-23 Richard Sandiford <richard@codesourcery.com>
347 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
348 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
349 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
351 2006-05-23 Joseph Myers <joseph@codesourcery.com>
353 * expr.c (undefined_operand_subword_p): New.
354 (emit_move_multi_word): Do not generate move from undefined bits
355 of a paradoxical subreg.
357 2006-05-23 Richard Sandiford <richard@codesourcery.com>
359 PR rtl-optimization/27736
360 * combine.c (replaced_rhs_value): New variable.
361 (combine_instructions): Set it.
362 (distribute_notes): When distributing a note in replaced_rhs_insn,
363 check whether the value was used in replaced_rhs_value.
365 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
368 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
369 add_referenced_var instead of add_referenced_tmp_var.
370 * tree-complex.c (create_one_component_var): Use add_referenced_var.
371 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
373 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
374 tree_optimize_tail_calls_1): Use add_referenced_var.
375 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
376 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
377 Use add_referenced_var.
378 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
379 * gimplify.c (force_gimple_operand): Use add_referenced_var.
380 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
381 Use add_referenced_var.
382 * tree-dfa.c (struct walk_state): Remove.
383 (find_referenced_vars): Remove walk state and vars_found hash table.
384 (make_rename_temp): Use add_referenced_var.
385 (find_vars_r): Pass less parameters to add_referenced_var.
386 (referenced_var_p): New. Is var in referenced_var hash table.
387 (referenced_var_insert): Assert var isn't already in hash table.
388 (add_referenced_var): Don't need walk_state parameter. Add var if it
389 isn't already in the hash table.
390 (add_referenced_tmp_var): Remove.
391 (find_new_referenced_vars_1): Use add_referenced_var.
392 * tree-ssa-pre.c (create_expression_by_pieces,
393 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
394 Use add_referenced_var.
395 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
396 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
397 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
399 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
400 vect_create_data_ref_ptr, vect_create_destination_var,
401 vect_init_vector, vect_build_loop_niters,
402 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
403 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
404 Use add_referenced_var.
405 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
406 * tree-flow.h (add_referenced_tmp_var): Remove prototype
407 (add_referenced_var): Add prototype.
408 * tree-ssa-structalias.c (get_constraint_for,
409 intra_create_variable_infos): Use add_referenced_var.
411 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
413 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
414 big-endian paradoxical subregs.
415 * var-tracking.c (struct micro_operation_def): Document that,
416 for modify micro operations, insn is the subsequent instruction.
417 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
418 (var_reg_set, var_mem_set): ... new functions.
419 (add_stores): Record subsequent insn.
420 (compute_bb_dataflow): Use new functions for MO_USE.
421 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
422 notes after the insn, and modify notes before the insn known
423 to be the subsequent one.
424 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
426 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
429 * config/i386/i386.c (ix86_expand_builtin): Use
430 gen_sse3_monitor64 for TARGET_64BIT.
432 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
434 PR rtl-optimization/26375
435 PR rtl-optimization/26855
436 * df-problems (df_ru_bb_local_compute_process_def): Removed update
438 (df_ru_bb_local_compute): Reversed statements and removed bogus
439 comment explaining why they should be in wrong order.
440 (df_ru_dump, df_rd_dump): Enhanced debug info.
441 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
443 * ddg.c (add_deps_for_def): Converted use of reaching defs to
444 reaching uses and fixed space problem.
446 2006-05-23 Jan Hubicka <jh@suse.cz>
448 * cgraphunit.c (decide_is_function_needed): Also nested functions
449 and functions declared inline can be optimized out at -O0.
451 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
453 * doc/install.texi (Configuration): Remove reference to CrossGCC
454 FAQ which was hijacked.
457 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
460 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
461 ix86_compare_emitted is non-NULL.
463 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
466 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
469 2006-05-22 Richard Sandiford <richard@codesourcery.com>
471 PR rtl-optimization/25514
472 * combine.c (replaced_rhs_insn): New variable.
473 (combine_instructions): Set replaced_rhs_insn when trying to replace
474 a SET_SRC with a REG_EQUAL note.
475 (distribute_notes): Use replaced_rhs_insn when determining the live
476 range of a REG_DEAD register.
478 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
479 Anatoly Sokolov <aesok@post.ru>
481 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
482 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
483 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
484 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
485 atmega3290, atmega649, atmega6490, atmega406, atmega640,
486 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
487 at90usb647, at90usb1286 and at90usb1287 devices.
488 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
489 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
491 2006-05-22 Richard Sandiford <richard@codesourcery.com>
493 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
495 2006-05-22 Richard Guenther <rguenther@suse.de>
498 2006-01-31 Richard Guenther <rguenther@suse.de>
499 Paolo Bonzini <bonzini@gnu.org>
501 * doc/install.texi (--disable-libgcc-math): Document.
503 2006-05-22 Richard Guenther <rguenther@suse.de>
506 2006-01-31 Richard Guenther <rguenther@suse.de>
508 * doc/invoke.texi (-msselibm): Document.
509 * target.h (expand_library_builtin): New target hook.
510 * builtins.c (expand_builtin): Use expand_library_builtin.
511 (default_expand_library_builtin): New function.
512 * gcc.c (LINK_GCC_MATH_SPEC): Define.
513 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
514 (link_gcc_math_spec): Declare.
515 (static_specs): Add link_gcc_math_spec.
516 * expr.h (default_expand_library_builtin): Declare.
517 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
518 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
519 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
520 * config/i386/i386.opt (msselibm): New target option.
521 * config/i386/i386.c (ix86_builtin_function_variants): New array.
522 (ix86_init_sse_abi_builtins): New function.
523 (ix86_expand_library_builtin): Likewise.
524 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
525 (override_options): Handle error conditions wrt -msselibm.
526 (ix86_builtins): Add function codes for SSE2 ABI builtins.
527 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
528 * doc/extend.texi (__builtin_sse2_*): Document new target specific
531 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
534 * c-common.c (self_promoting_args_p): Skip erroneous args.
537 * c-decl.c (finish_struct): Skip erroneous fields.
539 2006-05-22 Nick Clifton <nickc@redhat.com>
541 * config/cris/cris.opt (march): Remove VarExists attribute.
542 (max-stackframe=): Likewise.
544 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
546 * doc/rtl.texi: Fix a typo.
547 * see.c: Fix comment typos.
549 * tree-ssa-structalias.h (alias_info): Remove num_references.
551 2006-05-21 Mike Stump <mrs@apple.com>
553 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
555 (darwin_pragma_options): Use BAD instead.
556 (darwin_pragma_unused): Likewise.
557 (darwin_pragma_ms_struct): Likewise.
559 2006-05-21 David Edelsohn <edelsohn@gnu.org>
561 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
563 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
565 PR rtl-optimization/27671
566 * simplify-rtx.c (simplify_relational_operation_1): Fix
567 simplifications of (eq/ne (xor x y) y) and
570 PR tree-optimization/26622.
571 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
574 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
576 * tree-cfg.c: Prune whitespace.
577 (debug_tree_cfg): Point to correct header containing the
580 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
583 * cgraphunit.c (verify_cgraph_node): Typo in error message.
585 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
588 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
589 or sorry count is non zero.
591 2006-05-20 Andreas Schwab <schwab@suse.de>
593 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
595 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
596 Kenneth Zadeck <zadeck@naturalbridge.com>
598 PR rtl-optimization/26855
600 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
602 (df_scan_alloc): Added code to properly handle multiword hard
603 registers and add all_blocks parameter.
604 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
605 code to properly handle multiword hard registers.
606 (df_rescan_blocks): Added code to remove deleted blocks from
608 (df_ref_create_structure, df_ref_record): Added code to properly
610 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
611 and set DF_REF_PARTIAL.
612 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
613 (df_uses_record): Added DF_REF_PARTIAL for subreg.
614 (df_scan_add_problem): Added flags parameter.
615 (df_ref_create_structure): Changed switching structure.
616 (df_bb_refs_record): Fixed case where duplicate artificial refs
617 were created. Changed location of flags.
618 (df_record_entry_block_defs): Added code to make stack pointer
619 live in entry block. Refined cases where frame pointer is needed.
620 Changed location of flags.
621 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
622 (df_set_state): Removed function.
623 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
624 df_insn_create_insn_record, df_insn_refs_delete,
625 df_ref_create_structure): Formatting changes.
626 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
627 df_delete_basic_block): New function.
628 (df_init): Changed location of flags.
629 (df_add_problem): Added flags parameter and the way flags are
631 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
632 debug_df_chain): Improved debugging output.
633 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
634 (df_refs_chain_dump): Removed df parameter.
635 (df_iterative_dataflow): Added consistency check.
636 (df_prune_to_subcfg): Made public.
637 (df_analyze_problem): Added blocks_to_init parameter and made
639 (df_ref_record, df_bb_refs_record, df_mark_reg,
640 df_record_exit_block_uses): Whitespace changes.
641 (df_dump): Whitespace changes.
642 * df.h: Some reordering to remove forward references.
643 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
644 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
645 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
646 (dataflow.flags): New field.
647 (df.flag): Deleted field.
648 (df_alloc_function): Added additional bitmap parameter.
649 (df_dependent_problem_function): New type.
650 (df_problem.changeable_flags): New field.
651 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
652 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
653 (df_mw_hardreg): New struct.
654 (DF_INSN_UID_MWS): New macro.
655 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
657 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
658 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
659 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
660 (df_set_state): Removed function.
661 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
662 * df-problems.c (df_chain_dump): Removed df parameter.
663 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
664 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
666 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
667 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
668 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
669 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
670 DF_REF_MUST_CLOBBER cases.
671 (df_ru_bb_local_compute_process_def,
672 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
673 df_lr_bb_local_compute, df_ur_bb_local_compute,
674 df_chain_create_bb): Made subreg aware.
675 (df_ru_bb_local_compute, df_rd_bb_local_compute,
676 df_lr_bb_local_compute, df_lr_bb_local_compute,
677 df_chain_create_bb): Cleanup to use proper macros.
678 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
679 code to fixup bitvectors.
680 (df_ri_alloc): Cleared lifetime.
681 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
682 df_create_unused_note): New function.
683 (df_ri_bb_compute, df_ri_compute): Added code to create/update
684 REG_DEAD and REG_UNUSED notes as well as register information.
685 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
686 df_chains_dump): Fixed crash if problem was never run.
687 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
688 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
689 df_ri_add_problem): Processes flags in uniform manner.
690 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
691 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
692 df_rd_dump, df_urec_free_bb_info): Formatting changes.
693 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
694 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
695 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
696 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
697 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
698 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
699 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
700 * see.c (see_initialize_data): Ditto.
701 * final.c (rest_of_clean_state) Added regstack_completed.
702 * rtl.h (regstack_completed): Ditto.
703 * reg-stack.c (regstack_completed): Ditto.
705 2006-05-19 Mike Stump <mrs@apple.com>
707 * c-tree.h (default_conversion): Remove.
708 * c-common.h (default_conversion): Add.
710 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
712 * tree-vrp.c (valid_value_p): New function.
713 (adjust_range_with_scev): Fail if the value of bound is not
716 2006-05-19 Richard Sandiford <richard@codesourcery.com>
718 * config/mips/linux-unwind.h: Include <asm/unistd.h>
719 (mips_fallback_frame_state): Use syscall numbers to determine
720 the appropriate li instruction for the current ABI. Only use
721 __NR_sigreturn for o32.
723 2006-05-19 Nicolas Setton <setton@adacore.com>
725 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
726 * langhooks.c (lhd_dwarf_name): New function.
727 * langhooks-def.h (lhd_dwarf_name): Declare.
728 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
729 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
730 * ada/misc.c (gnat_dwarf_name): New function.
731 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
733 2006-05-19 Richard Sandiford <richard@codesourcery.com>
735 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
737 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
738 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
739 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
740 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
741 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
742 determine the size of Wtype, etc.
743 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
744 (swfloatfuncs): New variable.
745 (dwfloatfuncs): Likewise.
746 (lib2funcs): Remove floating-point conversion functions from
747 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
748 the set of conversion routines needed. Allow entries to specify
749 an object name, filename and word size. Update users accordingly.
750 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
751 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
755 2006-02-08 Roger Sayle <roger@eyesopen.com>
758 * config/fixtfdi.c: New libgcc source file.
759 * config/fixunstfdi.c: New source file.
760 * config/floatditf.c: New source file.
761 * config/floatunditf.c: New souce file.
762 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
763 files above instead of config/mips/_tilib.c.
764 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
766 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
768 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
769 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
771 2006-05-18 Mike Stump <mrs@apple.com>
773 Fix up vla, vm and [*] sematics.
779 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
780 (c_vla_unspec_p): Add.
782 * c-decl.c (struct c_scope): Add had_vla_unspec.
783 (build_array_declarator): Add support for [*].
784 (grokdeclarator): Likewise.
785 (grokparms): Likewise.
786 (get_parm_info): Likewise.
787 * c-objc-common.c (c_vla_unspec_p): Likewise.
788 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
789 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
790 typeof when argument is a variably modified type not inside sizeof or alignof.
791 (c_parser_direct_declarator_inner): Propagate errors.
792 (c_parser_sizeof_expression): Add support for [*].
793 (c_parser_parms_declarator): Initialize had_vla_unspec.
794 (c_parser_parms_list_declarator): Likewise.
795 * c-typeck.c (c_vla_type_p): Add.
796 (composite_type): Add support for vla compositing.
797 (comptypes_internal): Add support for vla compatibility.
798 (c_expr_sizeof_expr): Evaluate vla arguments.
799 * tree.c (variably_modified_type_p): Update comment for [*].
801 2006-05-18 Michael Matz <matz@suse.de>
804 * config.host: Make assignments to host_xmake_file cumulative.
805 * config.host (*-darwin*): Test $host, not $target.
807 2006-05-12 Stuart Hastings <stuart@apple.com>
809 * config/i386/i386.opt (-mstackrealign): New flag.
810 * config/i386/i386.c (force_align_arg_pointer): New attribute.
811 (ix86_handle_cconv_attribute): Emit error when
812 force_align_arg_pointer attribute collides with too many regparms.
813 (ix86_function_regparm): Limit regparms when used with
814 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
815 Support stack-realigning prologue in non-main functions. Emit
816 warning for nested functions under -mstackrealign, emit error for
817 nested functions with force_align_arg_pointer attribute.
818 * doc/extend.texi (force_align_arg_pointer): Document it.
819 * doc/invoke.texi (-mstackrealign): Document it.
821 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
823 PR rtl-optimization/27477
824 * combine.c (try_combine): Don't split a parallel consisting
825 of two sets into two individual sets if both sets reference
828 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
830 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
831 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
833 * doc/options.texi (VarExists): Updated.
835 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
837 * unwind-dw2.c: Add declarations for uw_update_context and
839 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
840 detected, advance frame state and context once to skip over stub.
842 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
846 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
847 Call rewrite_into_loop_closed_ssa only when something changed.
848 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
849 * lambda-code.c (can_convert_to_perfect_nest): Declared.
850 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
851 Test for perfect_nest_p here. Fix formating.
852 (replace_uses_equiv_to_x_with_y): Fix formating.
853 (stmt_uses_op): Removed.
854 (can_convert_to_perfect_nest): Removed loopivs parameter.
855 Complete the test by checking the scalar dependences.
856 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
859 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
862 From Dan Kegel <dank@kegel.com>:
863 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
865 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
867 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
868 if the element type is variably modified without recursing.
870 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
873 * tree-loop-linear.c (try_interchange_loops): Test for
876 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
878 PR tree-optimization/27548
879 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
880 range of ssa names that appear on abnormal edges.
881 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
882 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
884 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
887 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
889 2006-05-17 Jakub Jelinek <jakub@redhat.com>
892 * tree.h (OMP_PARALLEL_COMBINED): Define.
893 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
894 (new_omp_context): Add is_combined_parallel argument.
895 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
896 new_omp_context caller.
897 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
898 Adjust gimplify_scan_omp_clauses callers.
899 (omp_is_private): Issue errors if iteration variable is firstprivate
900 or reduction in the current context.
901 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
902 on combined parallel workshare constructs.
904 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
906 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
907 (gcc-options.o): New rule.
909 * optc-gen.awk: Protect variables for gcc-options.o with
910 #ifdef GCC_DRIVER/#endif.
912 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
914 Fix PR tree-optimization/27373
915 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
916 (forward_propagate_addr_expr): Update call.
918 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
920 * doc/options.texi: Move the Negative option.
922 2006-05-16 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/22303
925 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
927 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
928 ccp_fold did not simplify the statement.
930 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
933 * Makefile.in (GCC_OBJS): New.
934 (OBJS-common): Add opts-common.o.
935 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
936 (cpp$(exeext)): Likewise.
937 (gcc.o): Also depend on opts.h.
938 (opts-common.o): New.
940 * common.opt (gcoff): Add Negative(gdwarf-2).
941 (gdwarf-2): Add Negative(gstabs).
942 (gstabs): Add Negative(gstabs+).
943 (gstabs+): Add Negative(gvms).
944 (gvms): Add Negative(gxcoff).
945 (gxcoff): Add Negative(gxcoff+).
946 (gxcoff+): Add Negative(gcoff).
947 * config/i386/i386.opt (m32): Add Negative(m64).
948 (m64): Add Negative(m32).
950 * doc/options.texi: Document the Negative option.
952 * gcc.c: Include "opts.h".
953 (main): Call prune_options after expandargv.
955 * optc-gen.awk: Generate common declarations for all flag
956 variables in options.c. Output the neg_index field.
958 * opts.c (find_opt): Moved to ...
959 * opts-common.c: Here. New file.
961 * opts.h (cl_option): Add a neg_index field.
963 (prune_options): Likewise.
965 2006-05-16 Jakub Jelinek <jakub@redhat.com>
968 * omp-low.c (expand_omp_parallel): Don't assert
969 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
970 instead search for it.
973 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
976 2006-05-16 Andreas Schwab <schwab@suse.de>
978 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
981 2006-05-15 Roger Sayle <roger@eyesopen.com>
984 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
985 integer constants other than zero are only legitimate on TARGET_64BIT.
986 <CONST_VECTOR> Only zero vectors are legitimate.
987 (ix86_cannot_force_const_mem): Integral and vector constants can
988 always be put in the constant pool.
990 2006-05-16 DJ Delorie <dj@redhat.com>
992 * crtstuff.c (__dso_handle): Set section from
993 TARGET_LBIGCC_SDATA_SECTION if defined.
994 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
995 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
997 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1000 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1003 2006-05-16 Ben Elliston <bje@au.ibm.com>
1005 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1007 2006-05-15 Per Bothner <per@bothner.com>
1009 * tree.c: (last_annotated_node): Use sources_locus typedef.
1010 This permits bootstrapping with --enable-mapped-location.
1012 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1014 PR tree-optimization/26830
1015 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1016 (info_for_ssa_name, current_info_for_ssa_name_age,
1017 blocks_to_update): New variables.
1018 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1019 (clear_ssa_name_info, initialize_flags_in_bb,
1020 mark_block_for_update): New functions.
1021 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1022 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1023 prepare_def_site_for): Use mark_block_for_update.
1024 (mark_def_interesting): Assert that the processed block is marked in
1025 blocks_to_update. Do not take blocks argument.
1026 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1028 (rewrite_update_init_block, rewrite_update_stmt): Only process
1029 blocks with statements to rewrite.
1030 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1031 (update_ssa): Initialize and free blocks_to_update. Do not
1032 clear flags on statements. Do not use blocks bitmap.
1033 * tree.h (SSA_NAME_AUX): Removed.
1034 (struct tree_ssa_name): Removed aux field.
1035 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1037 2006-05-15 Richard Guenther <rguenther@suse.de>
1039 PR tree-optimization/27603
1040 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1041 Do computations in original type.
1043 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1045 * see.c: Code style changes such as redundant paranthesis,
1046 redundant intialization of local variables etc.
1047 (see_main): Declared now as static.
1048 * doc/invoke.texi: Update that -fsee is not enabled by
1051 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1053 * omp-low.c (check_omp_nesting_restrictions): New function.
1054 (scan_omp_1): Call it.
1057 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1058 construct, return *VAR.
1060 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1062 PR rtl-optimization/27406
1063 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1066 2006-05-14 Roger Sayle <roger@eyesopen.com>
1068 PR rtl-optimization/27538
1069 * combine.c (expand_compound_operation): Call gen_lowpart
1070 before calling simplify_shift_const.
1072 2006-05-14 Roger Sayle <roger@eyesopen.com>
1074 PR rtl-optimization/22563
1075 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1076 a fixed width bitfield, always force the intermediates into psuedos.
1078 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1081 * mkconfig.sh: Use operator = instead of == for test.
1083 2006-05-13 Nick Clifton <nickc@redhat.com>
1085 * dwarf2out.c (dbx_reg_number): Check return value from
1086 LEAF_REG_REMAP and only use it if it is valid.
1087 (multiple_reg_loc_descriptor): Likewise.
1089 2006-05-13 Richard Guenther <rguenther@suse.de>
1091 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1094 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1096 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1097 information attached to non-INSNs such as NOTEs.
1098 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1100 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1102 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1104 * config/s390/s390.md: Adjust comment describing On constraint.
1106 2006-05-11 Jan Hubicka <jh@suse.cz>
1108 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1109 to be output at -O0.
1111 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1114 * fold-const.c (size_binop): Move sanity check for arguments to
1115 the beginning of the function.
1118 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1121 2006-05-11 Richard Guenther <rguenther@suse.de>
1124 * fold-const.c (fold_unary): Handle intermediate conversion
1125 to a pointer type like intermediate conversion to an integer
1126 type in folding of (T1)(T2)var to var.
1127 Match the code to the comment in the final conversion for
1128 (T1)(T2)var to (T1)var regarding to type precision. Rather
1129 than disallow T1 being of pointer type, assert that both T1
1130 and var are of pointer type or not. Make sure not to fall
1131 over the frontends lazyness wrt array to pointer decay though.
1133 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1135 * arm.c (arm_struct_value_rtx): Delete.
1136 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1137 (arm_init_cumulative_args): Always initialize nregs to zero.
1139 2006-05-10 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/27532
1142 * tree-object-size.c (plus_expr_object_size): Fix typo.
1144 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1147 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1148 ashrdi_const, ashrdi3): Use a scratch register.
1150 2006-05-10 Richard Guenther <rguenther@suse.de>
1152 PR tree-optimization/27302
1153 * fold-const.c (operand_equal_p): For two comparisons,
1154 try comparison of one comparison code swapped if that yields
1157 2006-05-10 Ben Elliston <bje@au.ibm.com>
1159 * tree-pretty-print.c (pretty_print_string): No need to handle
1160 '\0' as a special character.
1162 * tree.h: Include "hashtab.h".
1163 (iterative_hash_expr): Use hashval_t in its prototype.
1164 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1166 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1169 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1170 (hppa*64*-*-hpux11*): Ditto.
1171 (hppa[12]*-*-hpux11*): Ditto.
1173 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1176 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1178 2006-05-09 Michael Matz <matz@suse.de>
1180 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1181 host_extra_gcc_objs and host_xmake_file.
1182 (<*-*-linux*>): Don't overwrite host_xmake_file.
1183 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1184 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1185 (host_detect_local_cpu): Declare.
1186 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1187 * config/i386/i386.c (override_options): Handle -mtune=native
1189 * config/i386/x-i386: New file.
1190 * config/i386/driver-i386.c: New file.
1191 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1194 2006-05-09 Dirk Mueller <dmueller@suse.de>
1195 Richard Guenther <rguenther@suse.de>
1198 * fold-const.c (fold_read_from_constant_string): Relax check
1199 for matching types to matching modes.
1201 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1203 PR rtl-optimization/27335
1204 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1207 2006-05-08 Chao-ying Fu <fu@mips.com>
1208 Richard Sandiford <richard@codesourcery.com>
1210 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1211 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1212 * config/mips/mips.md (UNSPEC_SCC): New constant.
1213 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1214 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1215 (mips_emit_compare): Use it.
1216 (mips_expand_vcondv2sf): New function.
1218 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1220 Fix PR tree-optimization/27093
1221 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1222 renaming when they become not-used_alone.
1224 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1226 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1227 relocation and relocation stubs.
1229 2006-05-08 Eric Christopher <echristo@apple.com>
1231 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1234 2006-05-08 Jan Hubicka <jh@suse.cz>
1237 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1238 unused static functions are needed.
1240 2006-05-08 Roger Sayle <roger@eyesopen.com>
1243 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1244 of a reg_equiv_constant if the result is a legitimate constant.
1246 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1249 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1250 standard 80387 constants, raise the cost to prevent
1251 compress_float_constant() to generate load from memory.
1253 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1255 * config/arm/constraints.md (c): Fix a typo.
1257 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1260 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1263 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1265 (_mm_mwait): Likewise.
1267 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1269 (sse3_monitor): Make it 32bit only.
1270 (sse3_monitor64): New. 64bit monitor.
1272 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1275 * config/i386/i386.c (classify_argument): Skip fields with invalid
1278 2006-05-07 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/27409
1281 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1282 Do not try to find zero-sized subvars.
1284 2006-05-07 Richard Guenther <rguenther@suse.de>
1286 PR tree-optimization/27136
1287 * tree-ssa-loop-niter.c (get_val_for): Correct function
1288 comment, assert requirements.
1289 (loop_niter_by_eval): Stop processing if the iterated
1290 value did not simplify.
1292 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1294 * opts.c (flag_see): remove its setting at -O3.
1296 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1298 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1299 * arm/constraints.md: New file.
1300 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1301 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1302 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1303 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1304 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1305 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1306 * arm.md: Include constraints.md.
1307 (thumb_movsi_insn): Use satisfies_constraint_J.
1308 (movhi, movqi): Use satisfies_constraint_I.
1310 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1312 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1313 for atmeg a645 device.
1315 2006-05-06 Richard Guenther <rguenther@suse.de>
1317 PR tree-optimization/27151
1318 * tree-vect-transform.c (vectorizable_condition): Punt on
1319 values that have a different type than the condition.
1321 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1324 * c-parser.c (c_parser_cast_expression): Only insert casts into
1325 hash table if pointer.
1326 * function.c (used_types_insert_helper): Rename from
1328 (used_types_insert): Call used_types_insert_helper.
1329 * function.h (used_types_insert): Accept only one argument.
1331 2006-05-05 David Edelsohn <edesohn@gnu.org>
1333 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1334 scratch with output modifier.
1336 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1339 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1340 with output modifier.
1342 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1345 * config/mips/mips.c (mips_symbolic_address_p): Return true
1346 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1347 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1349 2006-05-04 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/14287
1352 PR tree-optimization/14844
1353 PR tree-optimization/19792
1354 PR tree-optimization/21608
1355 PR tree-optimization/27090
1356 * tree-ssa-pre.c (try_combine_conversion): New function.
1357 (compute_avail): After constructing the value-handle
1358 expression, use try_combine_conversion to combine NOP_EXPRs
1359 with previous value-handle expressions and use the result if it
1362 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1364 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1366 2006-05-04 Jan Hubicka <jh@suse.cz>
1369 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1371 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1373 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1374 that this only matches CONST_INTs. All users changed to VOIDmode
1377 * config/bfin/bfin.c: Include "optabs.h".
1378 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1380 (enum bfin_builtins): Add a number of fractional and vector builtins.
1381 (bfin_init_builtins): Likewise.
1382 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1383 (safe_vector_operand, bfin_expand_binop_builtin,
1384 bfin_expand_unop_builtin): New functions.
1385 (bfin_expand_builtin): Handle the new builtins.
1386 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1389 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1392 * Makefile.in (OBJS-common): Add see.o.
1393 (see.o): Add dependencies.
1394 * common.opt (fsee): New flag for the see optimization was added.
1395 * opts.c (flag_see): Initialized.
1396 * passes.c (init_optimization_passes, pass_see): New pass.
1397 * rtl.h (see_main): Declaration as extern.
1398 * timevar.def (TV_SEE): New.
1399 * tree-pass.h (pass_see): Declaration as extern.
1400 * invoke.texi (-fsee): Document.
1401 * recog.c (validate_simplify_insn): New function.
1402 * recog.h (validate_simplify_insn): Declaration as extern.
1403 * df-problems.c (df_chain_dump): Check for NULL.
1405 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1406 Daniel Berlin <dberlin@dberlin.org>
1408 * cfgrtl.c (insert_insn_bb_end_new): New function.
1409 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1411 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1413 * df.h (struct web_entry): Moved from web.c.
1414 (union_defs): Declaration as extern.
1415 (unionfind_root): Likewise.
1416 (unionfind_union): Likewise.
1417 * web.c (struct web_entry): Moved to df.h.
1418 (unionfind_root): Remove static declaration.
1419 (unionfind_union): Likewise.
1420 (union_defs): Likewise and generalize to use callback function.
1421 (web_main): Update arguments for union_defs function call.
1423 2006-05-04 Richard Guenther <rguenther@suse.de>
1425 PR tree-optimization/26447
1426 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1427 produce SSA_NAME copies before the store stmt to avoid
1428 breaking exception handling.
1430 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1433 * gimplify.c (omp_is_private): If var is shared in some outer context,
1434 return false instead of true. Stop searching on parallel context
1437 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1440 * coverage.c: Use get_gcov_unsigned_t() instead of
1441 unsigned_type_node all over.
1443 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1445 PR tree-optimization/27381
1446 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1447 maintain the same immediate_use links.
1448 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1449 node rather than segfaulting.
1451 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1454 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1455 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1456 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1458 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1460 Fix PR tree-optimization/26626
1461 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1463 * tree-ssa-operands.c (access_can_touch_variable): Allow
1464 typecasting through union pointers.
1466 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1469 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1470 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1471 to find if var will be a global variable even in the nested context.
1472 (omp_copy_decl): Only check for global variable at the end, it might
1473 be overridden in outer contexts.
1474 (scan_sharing_clauses): For global variables don't create a field.
1475 (lower_rec_input_clauses): Do nothing for global shared variables.
1476 Emit a barrier at the end of ILIST if there were any decls in both
1477 firstprivate and lastprivate clauses.
1478 (lower_send_clauses): Do nothing for global variables except for
1481 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1483 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1484 of the correct signedness is returned.
1486 2006-05-02 Jeff Law <law@redhat.com>
1488 PR tree-optimization/27364
1489 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1490 multiply expressions.
1492 2006-05-02 Tom Tromey <tromey@redhat.com>
1494 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1496 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1499 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1500 -mthumb -fPIC are used.
1502 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1503 Joshua Kinard <kumba@gentoo.org>
1506 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1507 with 64-bit pointers.
1509 2006-05-02 Paul Brook <paul@codesourcery.com>
1511 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1513 (create_fix_barrier): Check that a suitable barrier location is
1515 (arm_reorg): Include ftmp->address in allowable range of addresses.
1517 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1520 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1523 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1526 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1527 around RESULT_DECL for result passed by reference.
1528 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1529 * omp-low.c (use_pointer_for_field): Don't look at
1530 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1531 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1532 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1533 time or var for passing by reference for
1534 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1535 TREE_ADDRESSABLE variables when passing by reference.
1537 * omp-low.c (dump_omp_region): Fix output formatting.
1540 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1541 (expand_omp_parallel): Likewise.
1542 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1545 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1546 on statement list containing also constructors and destructors.
1547 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1550 * except.c (duplicate_eh_regions): Fix clearing of
1551 cfun->eh->region_array entries.
1553 2006-05-01 DJ Delorie <dj@redhat.com>
1555 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1557 (gcc_cv_objdump): Likewise.
1558 * configure: Regenerated.
1560 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1563 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1564 templates for case 3 and 4.
1566 2006-05-01 DJ Delorie <dj@redhat.com>
1568 * vec.c: Include bconfig.h when appropriate.
1569 * Makefile.in (build/vec.o): Adjust dependencies.
1570 * mkconfig.sh: Make sure config.h isn't used for build machine
1573 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1575 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1577 (mark_phi_for_rewrite): New function.
1578 (insert_phi_nodes_for, mark_use_interesting): Call
1579 mark_phi_for_rewrite.
1580 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1581 (update_ssa): Initialize and free phis_to_rewrite.
1583 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1585 PR rtl-optimization/27291
1586 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1587 folded to a constant.
1589 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1591 PR tree-optimization/27283
1592 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1593 not whole # of iteration descriptions.
1594 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1595 uses abnormal ssa name.
1596 (niter_for_single_dom_exit): Ditto.
1597 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1598 return just the number of iterations.
1600 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1602 PR tree-optimization/27144
1603 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1604 (record_estimate): Only record constant upper bound.
1605 (infer_loop_bounds_from_undefined): Call
1606 compute_estimated_nb_iterations just once.
1607 (proved_non_wrapping_p): Renamed to ...
1608 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1609 (convert_step_widening, scev_probably_wraps_p): Call
1610 n_of_executions_at_most instead of proved_non_wrapping_p.
1611 (substitute_in_loop_info): Do not replace values in bounds.
1612 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1615 2006-05-01 Richard Henderson <rth@redhat.com>
1618 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1619 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1622 2006-05-01 Roger Sayle <roger@eyesopen.com>
1624 * c-typeck.c (parser_build_binary_op): Don't call the function
1625 unsigned_conversion_warning to spot operand/result type overflow.
1626 (build_binary_op): Instead, call convert_and_check instead of
1627 convert to report the problem when the operands are promoted.
1628 * c-common.c (unsigned_conversion_warning): Make static.
1629 * c-common.h (unsigned_conversion_warning): Delete prototype.
1631 2006-05-01 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/26726
1634 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1636 (find_interesting_uses_address): ... we work around here
1637 by folding INDIRECT_REFs in the substituted base.
1639 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1641 * omp-low.c (dump_omp_region): Add newlines.
1643 2006-04-30 Roger Sayle <roger@eyesopen.com>
1645 * common.opt (Woverflow): New command line option.
1646 * c-common.c (constant_expression_warning): Check warn_overflow.
1647 (overflow_waring): Pass OPT_Woverflow to warning.
1648 (unsigned_conversion_warning): Likewise.
1649 (convert_and_check): Likewise.
1650 * doc/invoke.texi: Document new command line option.
1652 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1654 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1655 TARGET_NO_FP_IN_TOC for section anchors.
1656 (optimization_options): Enable section anchors for all
1657 non-"Objective" languages.
1659 2006-04-28 Eric Christopher <echristo@apple.com>
1661 * config/darwin-c.c (darwin_ms_struct): Move this
1662 (darwin_set_default_type_attributes): and this...
1663 * config/darwin.c: ... here.
1664 * config/darwin.h (darwin_ms_struct): Declare.
1666 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1668 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1670 2006-04-28 Roger Sayle <roger@eyesopen.com>
1673 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1674 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1675 an unsigned HOST_WIDE_INT.
1676 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1678 (really_start_incremental_init): No need to call convert because
1679 bitsize_zero_node is already of type bitsizetype.
1680 (push_init_level): Extract the value of constructor_index as an
1681 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1682 (process_init_element): Likewise.
1684 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1686 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1687 value before passing to make_relative_prefix.
1689 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1692 * builtins.c (expand_builtin_memset): Expand val in original mode.
1694 2006-04-27 Eric Christopher <echristo@apple.com>
1696 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1697 with #ifndef/#endif.
1698 * config/darwin-c.c (darwin_ms_struct): New.
1699 (darwin_pragma_ms_struct): Ditto.
1700 (darwin_set_default_type_attributes): Ditto.
1701 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1702 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1703 Register ms_struct pragma.
1704 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1705 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1706 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1707 darwin_set_default_type_attributes if TARGET_MACHO.
1709 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1711 PR tree-optimization/26854
1712 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1713 * doc/tree-ssa.texi: Update immuse iterator documentation.
1714 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1715 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1716 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1717 first_safe_imm_use, next_safe_imm_use): Remove.
1718 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1719 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1720 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1721 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1722 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1723 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1724 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1725 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1726 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1727 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1728 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1729 (perfect_nestify): Use new iterator.
1730 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1732 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1733 (next_imm_name): New field in struct immediate_use_iterator_d.
1734 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1735 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1736 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1737 * tree-cfg.c (replace_uses_by): Use new iterator.
1738 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1739 * tree-ssa-operands.c (correct_use_link): Remove.
1740 (finalize_ssa_use_ops): No longer call correct_use_link.
1742 2006-04-27 Stuart Hastings <stuart@apple.com>
1744 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1745 * config/t-darwin (crt3.o): Use it.
1746 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1747 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1748 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1749 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1750 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1753 2006-04-27 Roger Sayle <roger@eyesopen.com>
1755 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1756 size, force the intermediate into a new pseudo rather instead of
1757 performing both a bitwise AND and a bitwise IOR in memory.
1759 2006-04-27 Richard Guenther <rguenther@suse.de>
1761 PR rtl-optimization/26685
1762 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1763 this one "max-flow-memory-locations".
1765 2006-04-27 Richard Guenther <rguenther@suse.de>
1767 PR tree-optimization/25148
1768 * tree-vrp.c (compare_values): Remove code dealing with
1769 comparisons against type min/max value. Honour overflow
1770 and negative constants in code dealing with comparisons
1771 of plus and minus expressions.
1772 (value_inside_range): Use fold_binary with LE_EXPR and
1773 GE_EXPR rather than compare_values.
1775 2006-04-27 Dirk Mueller <dmueller@suse.de>
1777 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1780 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1782 * basic-block.h (safe_insert_insn_on_edge): Removed.
1783 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1785 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1786 Paolo Bonzini <bonzini@gnu.org>
1789 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1790 (simplify_and_const_int): Same.
1792 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1794 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1796 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1799 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1800 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1801 cgraph_global_info_ready.
1804 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1807 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1808 either decl or init is error_mark_node.
1811 * tree-flow.h (struct omp_region): Add sched_kind.
1812 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1813 instead of extracting omp for data.
1814 (expand_omp_for): Save extracted sched_kind.
1816 2006-04-25 Roger Sayle <roger@eyesopen.com>
1818 * expmed.c (store_bit_field): Also check whether the bitsize is
1819 valid for the machine's "insv" instruction before moving the
1820 target into a pseudo for use with the insv.
1821 * config/i386/predicates.md (const8_operand): New predicate.
1822 * config/i386/i386.md (extv, extzv, insv): Use the new
1823 const8_operand predicate where appropriate.
1825 2006-04-25 DJ Delorie <dj@redhat.com>
1827 * doc/install.texi (Specific): Clarify that this is not a list of
1828 supported hosts or targets.
1830 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1832 PR rtl-optimization/26725
1833 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1834 block's BB_DIRTY flag.
1836 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1838 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1841 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1842 to print an integer.
1844 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1846 * varasm.c (align_variable): New function.
1847 (get_block_for_decl): Apply align_variable to DECL before
1848 calculating section information.
1849 (assemble_variable): Split out alignment computation.
1851 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1853 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1856 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1858 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1859 MODE_PARTIAL_INT mode.
1860 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1861 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1863 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1864 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1866 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1868 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1870 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1871 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1872 MACFLAG_IH): Likewise.
1873 (movstricthi_1): Renamed from "*movstricthi".
1874 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1875 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1876 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1877 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1878 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1879 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1880 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1881 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1882 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1883 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1884 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1885 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1886 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1887 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1888 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1890 * doc/rtl.texi (ss_ashift): Improve wording.
1892 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1894 * dwarf2out.c (verify_marks_clear): New.
1895 (prune_unused_types): Call verify_marks_clear initially, not
1898 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1900 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1901 * doc/rtl.texi: Document them.
1902 * simplify-rtx.c (simplify_unary_operation,
1903 simplify_binary_operation_1): Don't abort when we see them.
1905 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1908 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1909 * configure.ac: Completely disregard languages that are not
1911 * configure: Regenerated.
1913 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1914 Richard Guenther <rguenther@suse.de>
1916 PR tree-optimization/27236
1917 * tree-inline.c (copy_body_r): Make sure to copy
1918 TREE_THIS_VOLATILE flag.
1920 2006-04-24 Richard Guenther <rguenther@suse.de>
1923 * tree-complex.c (update_parameter_components): Don't handle
1924 unused parameters which have no default def.
1926 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1927 Richard Guenther <rguenther@suse.de>
1929 PR tree-optimization/27218
1930 * tree-inline.c (expand_call_inline): Strip useless type
1931 conversions for the return slot address.
1933 2006-04-24 Richard Guenther <rguenther@suse.de>
1935 * cfgloop.h (struct loops): Remove unused field array. Reorder
1937 (LOOP_PREFETCH): Remove.
1939 2006-04-24 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/22525
1942 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1943 variable, adjust types of generated expressions.
1945 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1947 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1948 (tree-vect-patterns.o): Likewise.
1950 (cselib.o): Likewise.
1951 (loop-doloop.o): Likewise.
1952 (regclass.o): Likewise.
1953 (reload1.o): Likewise.
1954 (explow.o): Replace target.h with $(TARGET_H).
1955 (ipa-prop.o): Likewise.
1956 (ipa-cp.o): Likewise.
1957 (ipa-inline.o): Likewise.
1958 (reorg.o): Likewise.
1959 (reg-stack.o): Likewise.
1961 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1963 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1965 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1967 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1969 * configure.ac: Completely disregard languages that are not
1971 * configure: Regenerated.
1974 * c-common.h (c_build_bitfield_integer_type): Declare.
1975 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1976 * c-common.c (c_build_bitfield_integer_type): ... here.
1978 2006-04-23 Roger Sayle <roger@eyesopen.com>
1981 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1982 a SImode SUBREG of a floating point register after no_new_pseudos.
1984 2006-04-23 Roger Sayle <roger@eyesopen.com>
1986 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1987 identify potentially eliminable registers to additionally catch
1988 VIRTUAL_INCOMING_ARGS_REGNUM.
1989 (addsi3): Update the conditions on when to use addsi_small_int.
1991 2006-04-23 Roger Sayle <roger@eyesopen.com>
1994 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1995 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1996 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1998 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2000 * fold-const.c (range_predecessor): Use operand_equal_p
2001 as the predicate for equality.
2002 (range_successor): Likewise.
2004 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2007 * config/soft-fp/op-common.h: Fix a typo.
2009 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2012 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2013 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2015 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2017 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2019 * doc/tm.texi: Fix a typo.
2021 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2023 * dwarf2out.c (struct die_struct): Document that die_sib makes
2024 a circular linked list.
2025 (FOR_EACH_CHILD): New.
2026 (reverse_die_lists): Delete.
2027 (reverse_all_dies): Delete.
2028 (add_dwarf_attr): Correct documentation.
2029 (remove_child_with_prev): New.
2030 (remove_child_TAG): Update for change to die_struct, use
2031 remove_child_with_prev.
2032 (add_child_die): Update for change to die_struct.
2033 (splice_child_die): Use remove_child_with_prev and add_child_die.
2034 (print_die): Use FOR_EACH_CHILD.
2035 (die_checksum): Likewise.
2036 (assign_symbol_names): Likewise.
2037 (output_location_lists): Likewise.
2038 (build_abbrev_table): Likewise.
2039 (calc_die_sizes): Likewise.
2040 (mark_dies): Likewise.
2041 (unmark_dies): Likewise.
2042 (unmark_all_dies): Likewise.
2043 (output_die): Likewise.
2044 (prune_unused_types_mark): Likewise.
2045 (prune_unused_types_walk): Likewise.
2046 (same_die_p): Update for change to die_struct.
2047 (break_out_includes): Likewise.
2048 (prune_unused_types_prune): Likewise.
2049 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2050 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2052 (dwarf2out_finish): Don't call reverse_all_dies.
2054 2006-04-21 Eric Christopher <echristo@apple.com>
2056 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2057 in comments and function names.
2059 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2062 * c-typeck.c (digest_init): Robustify.
2064 * c-typeck.c (pop_init_level): Simplify.
2066 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2068 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2070 2006-04-21 Paul Brook <paul@codesourcery.com>
2072 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2073 hardware floating point.
2075 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2077 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2080 2006-04-21 Nick Clifton <nickc@redhat.com>
2082 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2085 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2088 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2089 C++ lang type in traceback table for Objective-C++.
2091 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2093 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2095 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2097 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2100 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2101 were errors. Remove check for erroneous objects.
2103 2006-04-20 Jeff Law <law@redhat.com>
2105 PR tree-optimization/26854
2106 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2107 checking for zero or one use.
2108 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2109 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2110 * tree-ssa-reassoc.c (negate_value): Similarly.
2111 (reassociate_bb): Similarly.
2113 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2115 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2116 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2117 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2119 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2121 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2122 fp regs if the last fp arg doesn't fit in regs.
2124 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2127 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2128 that the last insn has the REG_INC note.
2130 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2131 Nathan Sidwell <nathan@codesourcery.com>
2134 * stor-layout.c (update_alignment_for_field): Do not align
2136 (place_union_field): Place union field at the start of the union.
2137 (place_field): Move ERROR_MARK check later, and use the current
2138 allocation position to maintain monotonicity.
2140 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2142 * dominance.c: Include timevar.h.
2143 (calculate_dominance_info): Use TV_DOMINANCE.
2144 * timevar.def (TV_DOMINANCE): New timevar.
2145 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2147 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2149 PR rtl-optimization/14261
2150 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2151 move would be an INSV insn.
2152 (noce_process_if_block): Don't optimize if the destination is a
2153 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2155 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2157 * config/s390/s390.md: Add comments with the instructions emitted
2158 by an insn pattern if macros are used.
2160 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2162 PR rtl-optimization/26026
2163 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2164 is a known power of two shifted left a variable amount.
2166 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2168 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2169 to hash table twice when the debug_str section has SECTION_MERGE.
2171 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2173 * config/soft-fp: New directory. From glibc.
2174 * config/soft-fp/t-softfp: New.
2175 * config/soft-fp/README: New.
2176 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2177 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2178 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2179 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2180 * config.gcc: Use rs6000/t-fprules-fpbit or
2181 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2183 * config/rs6000/sfp-machine.h: New. Based on glibc.
2184 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2186 * config/rs6000/t-fprules: Remove fp-bit rules.
2187 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2188 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2189 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2190 (softfp_wrap_start, softfp_wrap_end): New.
2192 2006-04-18 DJ Delorie <dj@redhat.com>
2194 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2196 2006-04-18 Devang Patel <dpatel@apple.com>
2198 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2200 2006-04-18 Nick Clifton <nickc@redhat.com>
2202 * config/sh/t-symbian: Add rule to build sh-c.o
2203 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2204 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2205 (sh_symbian_encode_section_info): Likewise.
2207 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2209 * builtins.c (expand_builtin_strcmp): Cover label definition of
2210 do_libcall with HAVE_cmpstrnsi.
2212 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2214 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2216 * function.h (temp_slot_p): New.
2217 (function): Change the type of x_used_temp_slots to
2218 VEC(temp_slot_p,gc) *.
2220 2006-04-18 Nick Clifton <nickc@redhat.com>
2222 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2223 flag_strength_reduce.
2225 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2227 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2231 Partial revert of revision 112637
2232 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2233 Dale Johannesen <dalej@apple.com>
2236 * regclass.c (struct reg_pref): Update documentation.
2237 (regclass): Set prefclass to NO_REGS if memory is the best option.
2238 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2240 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2242 PR tree-optimization/26821
2243 * tree-ssa-math-opts.c (get_constant_one): New.
2244 (insert_reciprocals): Use it.
2246 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2248 * dwarf2out.c (free_AT): Delete.
2249 (remove_AT): Update string ref counts.
2250 (remove_child_TAG): Don't call free_die.
2252 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2253 or DW_TAG_GNU_EINCL.
2254 (prune_unused_types_walk_attribs): Reset string refcounts.
2255 (prune_unused_types_update_strings): New.
2256 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2257 call free_die. Do call prune_unused_types_update_strings.
2258 (prune_unused_types): Empty debug_str_hash.
2260 2006-04-17 Roger Sayle <roger@eyesopen.com>
2262 * expr.c (expand_assignment): Optimize away no-op moves where the
2263 source and destination are equal and have no side-effects.
2265 2006-04-17 Richard Guenther <rguenther@suse.de>
2268 * reload.c (push_reload): Guard calls to get_secondary_mem
2271 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2273 * alias.c (reg_base_value, old_reg_base_value): Change the
2274 type to VEC(rtx,gc) *.
2275 (REG_BASE_VALUE, find_base_value, record_set,
2276 init_alias_analysis): Use VEC instead of VARRAY.
2278 * alias.c (alias_sets): Change the type to
2279 VEC(alias_set_entry,gc) *.
2280 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2281 VEC instead of VARRAY.
2282 (last_alias_set): Remove.
2284 * cgraph.h (cgraph_edge_p): New.
2285 Update the prototype of cgraph_function_versioning.
2286 * cgraphunit.c (cgraph_copy_node_for_versioning,
2287 cgraph_function_versioning): Use VEC instead of VARRAY.
2288 * ipa-cp.c (ipcp_insert_stage): Likewise.
2290 2006-04-16 Roger Sayle <roger@eyesopen.com>
2293 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2294 "A op B" or "A op C", we may need to convert A to the type of B and C.
2296 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2298 * target.h (struct gcc_target): Add mode_rep_extended.
2299 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2300 (init_num_sign_bit_copies_in_rep): Initialize it using
2302 (truncate_to_mode): Use it.
2303 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2304 * targhooks.h (default_mode_rep_extended): Declare it.
2305 * targhooks.c (default_mode_rep_extended): Define it.
2306 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2307 default_mode_rep_extended.
2308 (TARGET_INITIALIZER): Include it.
2309 * doc/tm.texi (Misc): Document it.
2310 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2311 (mips_truncated_to_mode): New function.
2313 2006-04-16 Roger Sayle <roger@eyesopen.com>
2316 * expr.c (compress_float_constant): Copy the narrow constant into
2317 a new pseudo before extending it to its final width.
2319 2006-04-16 Roger Sayle <roger@eyesopen.com>
2320 Andrew Pinski <pinskia@gcc.gnu.org>
2321 Dale Johannesen <dalej@apple.com>
2324 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2325 special case code to implement V8HImode and V16QImode with SSE2.
2327 2006-04-15 Roger Sayle <roger@eyesopen.com>
2329 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2330 trees are constructed with a suitable tree type.
2332 2006-04-15 Roger Sayle <roger@eyesopen.com>
2334 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2335 (integer_onep): Likewise.
2336 (integer_all_onesp): Likewise.
2337 (integer_pow2p): Likewise.
2338 (integer_nonzerop): Likewise.
2339 (real_zerop): Likewise.
2340 (real_onep): Likewise.
2341 (real_twop): Likewise.
2342 (real_minus_onep): Likewise.
2343 (int_size_in_bytes): Likewise.
2344 (host_integerp): Likewise.
2346 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2348 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2349 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2350 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2352 * tree-ssa-structalias.h (alias_info): Remove num_references.
2354 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2356 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2357 (output_bvb patterns): Likewise.
2358 * pa.c (output_bb): Use 'bb' insn for long branch case.
2359 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2360 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2361 1. Correct length operand for alternatives 1 and 2.
2362 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2363 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2365 2006-04-14 Roger Sayle <roger@eyesopen.com>
2367 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2368 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2369 were accidentally reverted by r112959.
2371 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2374 * except.h (eh_region_outermost): New prototype.
2375 * except.c (eh_region_outermost): New function.
2376 * tree-cfg.c (find_outermost_region_in_block): Use it.
2378 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2380 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2382 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2383 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2384 (init_reload, reload): Use VEC instead of VARRAY.
2385 * reload.h: Update the prototype for
2386 reg_equiv_memory_loc_varray.
2388 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2389 Eric Botcazou <ebotcazou@libertysurf.fr>
2391 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2394 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2397 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2398 to expand fallback builtin function call.
2400 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2403 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2404 and emit libcall here in case the builtin fails.
2405 (expand_builtin_strcmp): Always emit the libcall here on failure.
2407 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2409 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2410 * flow.c (reg_n_info): Change the type to
2411 VEC(reg_info_p,heap) *.
2412 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2414 * regs.h (reg_info_p): New.
2415 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2416 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2417 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2420 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2422 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2424 * params.h (MAX_SCHED_READY_INSNS): New macro.
2425 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2426 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2427 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2428 the ready list for 1 cycle during the first scheduling pass.
2429 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2431 2006-04-13 Richard Henderson <rth@redhat.com>
2434 * gimple-low.c (lower_omp_directive): Remove dead code.
2435 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2436 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2437 * omp-low.c (struct omp_region): Move to tree-flow.h.
2438 (root_omp_region): Export.
2439 (omp_regions, lookup_omp_region): Remove.
2440 (determine_parallel_type): Update for struct omp_region changes.
2441 (dump_omp_region): Dump regions with block numbers.
2442 (new_omp_region): Take type and block instead of stmt; malloc
2444 (free_omp_region_1, free_omp_regions): New.
2445 (expand_parallel_call): Take entry_stmt as argument; update for
2446 changes to omp_region.
2447 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2448 (remove_exit_barriers): New.
2449 (expand_omp_parallel): Update for struct omp_region changes.
2450 (expand_omp_synch): Likewise.
2451 (expand_omp): Likewise.
2452 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2453 (expand_omp_for_static_chunk): Likewise.
2454 (expand_omp_for): Likewise.
2455 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2456 (expand_omp_sections): Similarly, with GOMP_sections_end.
2457 (expand_omp_single): New.
2458 (build_omp_regions_1): Update for OMP_CONTINUE.
2459 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2460 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2461 OMP_SECTIONS_SECTIONS.
2462 (lower_omp_single_simple): Don't emit barrier here.
2463 (lower_omp_single_copy): Likewise.
2464 (lower_omp_single): Fix bindings, and lower to straightline now.
2465 (lower_omp_master, lower_omp_ordered): Likewise.
2466 (lower_omp_critical): Likewise.
2467 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2468 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2469 omp edges, free it afterward.
2470 (make_omp_sections_edges): Remove.
2471 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2472 (move_stmt_r): Handle OMP_CONTINUE.
2473 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2474 statement pointers to basic blocks. Add type member.
2475 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2476 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2477 * tree-inline.c (estimate_num_insns_1): Likewise.
2478 * tree-pretty-print.c (dump_generic_node): Likewise.
2479 * tree-ssa-operands.c (get_expr_operands): Likewise.
2480 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2481 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2482 (OMP_CONTINUE): New.
2483 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2484 (OMP_SECTIONS_SECTIONS): Remove.
2485 (OMP_SECTION_LAST): New.
2486 (OMP_RETURN_NOWAIT): New.
2488 2006-04-13 Roger Sayle <roger@eyesopen.com>
2490 * fold-const.c (native_encode_vector, native_interpret_real):
2491 Correct obvious mistakes in the previous check-in.
2493 2006-04-13 Roger Sayle <roger@eyesopen.com>
2495 * fold-const.c (native_encode_expr): New function to encode
2496 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2497 or VECTOR_CST into a specified buffer.
2498 (native_encode_int): New function.
2499 (native_encode_real): New function.
2500 (native_encode_complex): New function.
2501 (native_encode_vector): New function.
2502 (native_interpret_expr): Inverse of native_encode_expr to convert
2503 a target representation into an INTEGER_CST, REAL_CST etc...
2504 (native_interpret_int): New function.
2505 (native_interpret_real): New function.
2506 (native_interpret_complex): New function.
2507 (native_interpret_vector): New function.
2508 (fold_view_convert_expr): New function to constant fold/evaluate
2509 a VIEW_CONVERT_EXPR of a suitable constant expression.
2510 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2511 Change call of build1 to fold_build1 when constructing a
2514 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2515 Ulrich Weigand <uweigand@de.ibm.com>
2518 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2521 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2524 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2525 optimize to lo_sum for DFmode if !TARGET_FPRS.
2527 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2529 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2530 delete_alias_info, compute_flow_sensitive_aliasing,
2531 group_aliases): Use VEC instead of VARRAY.
2532 * tree-ssa-structalias.c (update_alias_info): Likewise.
2533 * tree-ssa-structalias.h (alias_info): Change the type of
2534 processed_ptrs to VEC(tree,heap) *.
2536 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2539 * config/sh/lib1funcs.h: New file, broken out of:
2540 * config/sh/lib1funcs.asm.
2541 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2543 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2544 * config/sh/lib1funcs-Os-4-200.asm: New file.
2545 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2546 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2547 (EXTRA_MULTILIB_PARTS): Include it.
2548 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2549 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2550 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2551 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2554 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2556 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2557 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2558 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2560 * tree-ssa-live.h: Include vecprim.h.
2561 (tree_partition_associator_d): Change the type of
2562 first_partition to VEC(int,heap) *.
2563 (tpa_first_partition): Use VEC instead of VARRAY.
2565 * Makefile.in (GTFILES): Move functions.h after tree.h.
2566 * function.c (reset_block_changes, record_block_change,
2567 check_block_change, free_block_changes): Use VEC instead of
2569 * function.h (function): Change the type of
2570 ib_boundaries_block to VEC(tree,gc) *.
2571 * tree-inline.c (copy_cfg_body): Initialize
2572 ib_boundaries_block to NULL instead of (varray_type) 0.
2574 2006-04-12 Roger Sayle <roger@eyesopen.com>
2576 * expr.c (emit_group_store): Correct operand order in call to
2577 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2578 a SUBREG_BYTE of zero.
2580 2006-04-12 Richard Guenther <rguenther@suse.de>
2582 * profile.c (compute_branch_probabilities): Remove code
2583 encapsulated in !ir_type (), which are remanents of the
2584 removed RTL profiling code.
2585 * rtl-profile.c: Remove.
2587 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2589 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2590 magic NULL_RTX comment.
2591 (function_arg): Store entire fp arg to mem if any part should go
2593 (rs6000_arg_partial_bytes): Adjust for above change.
2595 2006-04-11 Roger Sayle <roger@eyesopen.com>
2597 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2598 if it hasn't been initialized by dwarf2out_init.
2600 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2602 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2603 symbolic constants in branch patterns.
2605 2006-04-11 Roger Sayle <roger@eyesopen.com>
2607 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2609 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2611 PR rtl-optimization/27073
2612 * gcse.c (try_replace_reg): Revert last change. Continue to search
2613 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2616 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2618 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2619 aggregate types other than record and union types.
2620 (function_arg): Likewise.
2621 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2623 (function_value): In 64-bit mode, return objects that require it
2626 2006-04-11 Roger Sayle <roger@eyesopen.com>
2628 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2630 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2632 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2634 2006-04-03 Jeff Law <law@redhat.com>
2637 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2638 alias information too.
2640 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2642 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2644 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2647 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2648 (premark_used_types_helper): New.
2649 (premark_used_types): New.
2650 (gen_subprogram_die): Call premark_used_types.
2651 (prune_unused_types_walk): Do not prune perennial dies.
2652 * function.c (used_types_insert): New.
2653 * function.h (struct function): Add used_types_hash field.
2654 (used_types_insert): Add prototype.
2655 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2656 * c-parser.c (c_parser_cast_expression): Save casted types in used
2659 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2662 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2663 rs6000_explicit_options.float_gprs.
2665 2006-04-10 Roger Sayle <roger@eyesopen.com>
2667 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2668 from ix86_expand_vector_init_low_nonzero. Take an additional
2669 one_var argument indicating which element is non-zero. Support
2670 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2671 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2672 with one_var instead of ix86_expand_vector_init_low_nonzero.
2674 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2676 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2677 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2678 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2679 build/genextract.o): Depend on vecprim.h.
2680 * cfglayout.c, df-problems.c, function.c, genextract.c,
2681 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2682 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2686 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2688 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2689 Declare VECs of this type.
2690 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2691 (remove_children): Delete.
2692 (add_dwarf_attr): Use VEC routines.
2693 (add_AT_flag): Update for changes to add_dwarf_attr.
2694 (add_AT_int): Likewise.
2695 (add_AT_unsigned): Likewise.
2696 (add_AT_long_long): Likewise.
2697 (add_AT_vec): Likewise.
2698 (add_AT_string): Likewise.
2699 (add_AT_die_ref): Likewise.
2700 (add_AT_fde_ref): Likewise.
2701 (add_AT_loc): Likewise.
2702 (add_AT_loc_list): Likewise.
2703 (add_AT_addr): Likewise.
2704 (add_AT_lbl_id): Likewise.
2705 (add_AT_lineptr): Likewise.
2706 (add_AT_macptr): Likewise.
2707 (add_AT_offset): Likewise.
2708 (add_AT_range_list): Likewise.
2709 (get_AT): Use VEC_iterate.
2710 (remove_AT): Use VEC_ordered_remove.
2711 (free_die): Fold remove_children into here; have it use VEC_iterate.
2712 (print_die): Use VEC_iterate on attrs.
2713 (reverse_die_lists): Don't reverse attr lists.
2714 (die_checksum): Use VEC_iterate on attrs.
2715 (same_die_p): Likewise.
2716 (output_location_lists): Likewise.
2717 (build_abbrev_table): Likewise.
2718 (size_of_die): Likewise.
2719 (unmark_all_dies): Likewise.
2720 (output_abbrev_section): Likewise.
2721 (output_die): Likewise.
2722 (prune_unused_types_walk_attribs): Likewise.
2724 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2726 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2728 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2731 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2733 2006-04-09 Roger Sayle <roger@eyesopen.com>
2735 * expr.c (store_constructor): Don't bother clearing target if
2736 we're about to assign a vector to it using vec_init_optab.
2738 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2740 * tree-ssa-alias.c (lhs_may_store_to): New function.
2741 (recalculate_used_alone): Handle LHS of calls.
2743 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2747 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2748 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2749 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2750 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2751 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2752 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2753 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2754 stubs. Add ".align 8" directives before all ".dword" directives.
2755 (GTHREAD_USE_WEAK): Revise comment.
2756 (TARGET_ATTRIBUTE_WEAK): Define.
2757 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2758 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2759 * stublib.c: New file.
2764 * pa.md (cbranch patterns): Revise arguments used in calls to
2765 output_cbranch, output_bb and output_bvd. Add long branch length
2767 (fbranch patterns): Handle long branches.
2768 (jump): Revise length check. Revise arguments for output_lbranch call.
2769 Add long branch length attributes.
2770 (decrement_and_branch_until_zero): Add long branch length attributes.
2771 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2772 Likewise. Revise arguments for output_parallel_addb and
2773 output_parallel_movb calls.
2774 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2775 output_parallel_movb and output_parallel_addb): Update prototypes.
2776 * pa.c (output_cbranch): Revise arguments. Correct handling of
2777 nullification in long branches.
2778 (output_lbranch): Add new argument to control extraction of delay
2780 (output_bb): Handle long branches.
2781 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2782 output_parallel_addb): Likewise.
2784 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2786 PR rtl-optimization/27073
2787 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2790 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2792 * tree.h (tree_memory_tag): Add old_used_alone.
2793 (SMT_OLD_USED_ALONE): New macro.
2794 * tree-ssa-alias.c (recalculate_used_alone): Stop
2795 marking things for renaming unnecessarily.
2797 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2799 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2800 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2801 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2802 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2803 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2804 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2805 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2806 spelling convensions.
2807 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2808 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2809 typos. Follow spelling conventions.
2811 2006-04-07 DJ Delorie <dj@redhat.com>
2813 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2814 passed on the stack.
2815 (m32c_init_cumulative_args): When a function returns a structure,
2816 always pass the pointer to that return area on the stack.
2817 (m32c_function_arg_advance): Don't increment the parameter number
2818 if we're processing the returned structure pointer.
2819 (pushm_info): Reverse order of registers.
2821 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2823 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2824 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2825 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2826 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2828 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2829 chrec_fold_multiply): Same.
2830 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2831 force_expr_to_var_cost): Same.
2832 * tree-mudflap.c (mf_xform_derefs_1): Same.
2833 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2835 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2837 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2838 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2841 2006-04-07 Jan Hubicka <jh@suse.cz>
2843 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2845 2006-04-07 Richard Guenther <rguenther@suse.de>
2847 PR tree-optimization/26135
2848 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2849 loads for store copy-prop.
2850 (copy_prop_visit_stmt): Likewise.
2852 2006-04-05 Robert Millan <robertmh@gnu.org>
2854 * config/i386/linux.h: Add a comment to mark macros that are
2855 being overriden in config/k*bsd-gnu.h.
2856 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2858 * config/knetbsd-gnu.h: Ditto.
2860 2006-04-06 Jan Hubicka <jh@suse.cz>
2864 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2867 2006-04-06 Mike Stump <mrs@apple.com>
2869 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2870 for HAVE_nonlocal_goto to be consistent.
2871 (expand_builtin_nonlocal_goto): Likewise.
2872 (expand_builtin_strcmp): Use #ifdef instead of #if
2873 for HAVE_cmpstrnsi to be consistent.
2875 2006-04-05 DJ Delorie <dj@redhat.com>
2877 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2880 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2882 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2883 got-relative addressing for anything but SImode.
2885 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2886 even if the calling function doesn't modify them.
2888 2006-04-05 Richard Guenther <rguenther@suse.de>
2890 PR tree-optimization/26919
2891 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2892 to cgraph_estimate_size_after_inlining.
2894 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2896 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2898 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2900 PR tree-optimization/26996
2901 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2902 VECTOR_TYPE variables.
2904 2006-04-05 Richard Guenther <rguenther@suse.de>
2906 PR tree-optimization/26763
2907 * fold-const.c (fold_comparison): Move folding of
2908 PTR + CST CMP PTR + CST ...
2909 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2911 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2913 * doc/install.texi (Prerequisites): Refine some wording on
2914 bootstrapping and ksh.
2915 Move the version numbers of DejaGnu here from the testing section
2916 and fix casing of names.
2917 Fix markup and clarify wording for autogen requirements.
2918 Refer to GCJ instead of just java.
2919 Refer to SVN instead of CVS.
2920 Describe diffutils as useful instead of necessary.
2921 (Downloading the source): Refer to SVN instead of CVS.
2922 Adjust a link to our web site accordingly.
2923 (Configuration): Fix casing of Bison.
2924 (Building): Refer to SVN instead of CVS.
2925 Fix a sentence on the use of Bison and remove duplicate (and
2926 incorrect) version number of Bison requirement.
2927 Remove one redundant list of packages needed for building.
2928 (Specific): Avoid reference to CVS.
2930 2006-04-04 Eric Christopher <echristo@apple.com>
2932 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2933 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2934 (rs6000_handle_struct_attribute): New.
2935 (rs6000_ms_bitfield_layout_p): Ditto.
2937 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2939 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2940 NULL for dso parameter to atexit_common.
2942 2006-04-04 Eric Christopher <echristo@apple.com>
2944 * config/i386/i386.c (machopic_output_stub): Output \t
2945 between instructions and operands.
2947 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2949 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2950 satisfies_constraint_[IL] to explicit tests on value.
2952 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2954 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2955 set_nb_iterations_in_loop): Use build_int_cst instead of
2957 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2958 build_int_cst instead of convert.
2960 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2962 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2963 new value 2 for incoming.
2964 * function.c (expand_function_start): Call struct_value_rtx
2966 * config/sparc/sparc.md: Comment updated_return.
2967 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2968 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2969 struct return if sparc_std_struct_return and incoming is 2.
2970 (print_operand): Do not adjust return if
2971 sparc_std_struct_return.
2973 2006-04-04 Roger Sayle <roger@eyesopen.com>
2975 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2976 convert in the middle-end.
2977 * expr.c (store_expr, store_constructor, get_inner_reference,
2978 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2980 * tree.c (build_range_type): Likewise.
2982 2006-04-04 Tom Tromey <tromey@redhat.com>
2984 * doc/install.texi (Prerequisites): Mention jar.
2986 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2988 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2991 2006-04-04 Matthias Klose <doko@debian.org>
2993 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2994 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2997 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2999 * doc/extend.texi (Function Attributes): Rewrite visibility
3000 attribute documentation.
3001 * doc/invoke.texi (C++ Dialect Options): Rewrite
3002 -fvisibility-inlines-hidden documentation to describe something
3003 entirely different, although in practise compatible.
3004 (Code Gen Options): Warn about system headers in -fvisibility=
3007 * doc/extend.texi (Other Builtins): Document that
3008 __builtin_nan is a compile-time constant only when its argument
3011 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3013 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3014 trying to remove TRUNCATE check if all bits outside the new mode
3015 are identical to the sign bit.
3017 2006-04-03 Jeff Law <law@redhat.com>
3019 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3020 and operand scanning in some common cases.
3022 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3023 Dale Johannesen <dalej@apple.com>
3026 * regclass.c (struct reg_pref): Update documentation.
3027 (regclass): Set prefclass to NO_REGS if memory is the best option.
3028 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3029 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3030 into account. For non-registers, equate an empty preferred
3031 reload class to a `!' in the constraint; move the if clause to
3032 do so after those that reject the insn.
3033 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3035 (find_dummy_reload): Likewise.
3036 * doc/tm.texi (Register Classes): Document what it means
3037 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3038 * config/i386/i386.c (ix86_preferred_reload_class): Force
3039 using SSE registers (and return NO_REGS for floating-point
3040 constants) if math is done with SSE.
3041 (ix86_preferred_output_reload_class): New.
3042 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3043 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3044 * config/i386/i386.md: Remove # register preferences.
3046 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3049 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3050 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3051 the type of nb_iter.
3052 (instantiate_parameters_1): Convert the operands before calling
3053 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3054 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3056 2006-04-02 Roger Sayle <roger@eyesopen.com>
3058 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3059 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3061 * dojump.c (do_jump): Likewise.
3062 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3063 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3064 gimplify_boolean_expr): Likewise.
3065 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3066 * varasm.c (array_size_for_constructor): Likewise.
3067 * tree-object-size.c (compute_object_offset): Likewise.
3069 2006-04-02 Roger Sayle <roger@eyesopen.com>
3072 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3073 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3075 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3077 PR tree-optimization/26939
3078 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3080 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3082 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3083 at_stmt. Convert the type of operands before calling
3084 build_polynomial_chrec.
3085 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3087 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3088 (instantiate_parameters_1): Convert the type of operands before calling
3089 build_polynomial_chrec.
3090 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3091 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3092 reset_evolution_in_loop): Insert asserts to check the types of the
3094 (chrec_type): Moved...
3095 (eq_evolutions_p): Use operand_equal_p.
3096 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3097 the types of the operands.
3098 (chrec_type): ...here.
3099 * tree-data-ref.c (create_data_ref): Convert the operands before
3100 calling chrec_replace_initial_condition.
3101 (same_access_functions, analyze_subscript_affine_affine,
3102 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3103 (compute_subscript_distance, analyze_ziv_subscript,
3104 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3105 analyze_miv_subscript): Convert the operands before calling
3106 chrec_fold_minus or chrec_fold_plus.
3108 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3110 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3111 the dependence_relations vector.
3112 (compute_data_dependences_for_loop): Adjust call to
3113 compute_all_dependences.
3115 2006-04-01 Roger Sayle <roger@eyesopen.com>
3116 Richard Henderson <rth@redhat.com>
3118 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3119 gimple_boolify on the condition before calling gimplify_expr.
3121 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3123 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3124 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3125 the frame size. Update to use the new macros.
3126 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3127 * config/xtensa/ieee754-df.S: Likewise.
3129 2006-03-31 Richard Henderson <rth@redhat.com>
3131 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3132 (make_edges): ... here. Control fallthru creation with a local
3133 variable. Do not play with fake edges.
3134 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3135 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3138 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3140 * dwarf2.h (DW64_CIE_ID): Define.
3141 * dwarf2out.c (DWARF_CIE_ID): Define.
3142 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3143 length header. Use DWARF_CIE_ID.
3144 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3145 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3147 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3149 * config/sh/linux-atomic.asm: New file.
3150 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3152 2006-03-31 DJ Delorie <dj@redhat.com>
3154 * config/m32c/cond.md: Set condition flags properly throughout.
3155 * config/m32c/minmax.md: Likewise.
3156 * config/m32c/prologue.md: Likewise.
3157 * config/m32c/bitops.md: Likewise.
3158 * config/m32c/muldiv.md: Likewise.
3159 * config/m32c/mov.md: Likewise.
3160 * config/m32c/addsub.md: Likewise.
3161 * config/m32c/m32c.md: Likewise.
3162 * config/m32c/jump.md: Likewise.
3163 * config/m32c/shift.md: Likewise.
3165 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3166 conditionally output the pattern for this.
3167 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3168 (m32c_compare_redundant): New.
3169 (m32c_output_compare): New.
3170 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3172 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3173 dest, not src. Allow other 4-byte modes.
3175 2006-03-30 Denis Chertykov <denisc@overta.ru>
3177 * doc/md.texi: Refer to avr/constraints.md instead of
3180 2006-03-30 Roger Sayle <roger@eyesopen.com>
3182 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3183 signed vs. unsigned comparison failures on some hosts.
3185 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3188 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3189 change to FLOAT_REGS.
3191 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3192 (rs6000_override_options): Use it.
3193 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3194 only for -mabi=spe/no-spe and -mabi=altivec.
3196 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3198 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3201 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3203 * Makefile.in: Rename docdir to gcc_docdir.
3205 2006-03-30 Roger Sayle <roger@eyesopen.com>
3208 * expr.c (emit_group_store): Optimize group stores into a pseudo
3209 register by using a paradoxical subreg to initialize the destination
3210 if the first or last member of the group specifies a "low part".
3212 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3215 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3216 * target.h (struct gcc_target.speculate_insn): Change type of the
3217 second parameter to 'int'.
3218 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3219 the second operand of the DEPS_LIST.
3220 (copy_DEPS_LIST_list): Update reference to the second operand of the
3222 * rtl.h (alloc_DEPS_LIST): Update signature.
3223 * sched-int.h (ds_t): Change typedef to 'int'.
3224 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3226 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3228 * haifa-sched.c (try_ready): Change condition to restore
3229 non-speculative pattern of the instruction.
3230 (process_insn_depend_be_in_spec): Code to keep probability of the
3231 speculative dependence non-decreasing.
3233 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3235 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3236 (single_move_for_movmem): ... this. Also change all uses.
3237 (bfin_expand_strmov): Renamed to...
3238 (bfin_expand_movmem): ... this. Also change all uses.
3239 * config/bfin/bfin.md (movstrsi): Renamed to...
3240 (movstrsi): ...this.
3242 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3244 PR tree-optimization/26830
3246 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3247 (copy_prop_visit_stmt): Remove write-only variable ann.
3248 (init_copy_prop): Check variable loop depth here. Do not simulate
3249 memory-tag and virtual operand PHIs except for store copy prop.
3251 2006-03-30 Richard Guenther <rguenther@suse.de>
3253 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3254 variants with double arguments.
3256 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3258 * genpreds.c (write_tm_constrs_h): Delete variable p.
3259 * genconditions.c (write_header): Add tm-constrs.h to included
3261 * genpeep.c (main): Add toplev.h to included headers.
3262 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3263 (build/genpeep.o): Add toplev.h dependency.
3264 * config/rs6000/constraints.md: Add "W" constraint.
3266 2006-03-29 Roger Sayle <roger@eyesopen.com>
3268 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3269 sizes by correctly testing whether the size fits a host integer.
3270 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3271 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3272 SImode range for the default sizetype and bitsizetype.
3274 2006-03-29 Roger Sayle <roger@eyesopen.com>
3276 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3277 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3278 quickly if the argument is already of the correct type.
3279 Call fold_build1 instead of build1. Tidy up blank lines.
3281 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3283 * genemit.c (main): Add tm-constrs.h to included headers.
3284 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3285 * genpeep.c (main): Add tm-constrs.h to included headers.
3286 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3287 (write_tm_constrs_h): this and write complete file.
3288 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3289 (write_insn_preds_c): Add tm-constrs.h to included headers.
3290 (gen_constrs): New variable.
3291 (parse_option): Parse "-c".
3292 (main): Invoke write_tm_constrs_h.
3293 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3294 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3295 (object_out_file): Add tm-constrs.h dependency.
3296 (insn-emit.o): Same.
3297 (insn-output.o): Same.
3298 (insn-peep.o): Same.
3299 (insn-preds.o): Same.
3300 (insn-recog.o): Same.
3301 (tm-constsr.h): New target.
3302 (s-constrs-h): New target.
3304 * config/rs6000/constraints.md: New file.
3305 * config/rs6000/rs6000.c: Include tm-constrs.h.
3306 (num_insn_constant_wide): Convert to satisfies_constraint.
3307 (rs6000_rtx_costs): Convert to satisfies_constraint.
3308 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3309 (CONST_OK_FOR_LETTER_P): Delete.
3310 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3311 (EXTRA_CONSTRAINT): Delete.
3312 (EXTRA_MEMORY_CONSTRAINT): Delete.
3313 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3314 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3315 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3316 satisfies_constraint.
3318 * config/i386/i386.c: Include tm-constrs.h.
3320 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3322 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3323 * tree-data-ref.c (find_data_references_in_loop,
3324 compute_data_dependences_for_loop): Use pointers to VEC.
3325 (analyze_all_data_dependences): Adjust calls.
3326 * tree-data-ref.h (find_data_references_in_loop,
3327 compute_data_dependences_for_loop): Adjust declarations.
3328 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3329 compute_data_dependences_for_loop.
3331 2006-03-29 Paul Brook <paul@codesourcery.com>
3333 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3336 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3338 PR tree-optimization/26859
3339 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3341 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3342 for the step after fold_convert.
3344 2006-03-29 Paul Brook <paul@codesourcery.com>
3346 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3347 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3349 2006-03-29 Paul Brook <paul@codesourcery.com>
3352 * targhooks.c (default_narrow_bitfield): New fuction.
3353 * targhooks.h (default_narrow_bitfield): add prototype.
3354 * target.h (gcc_target): Add narrow_volatile_bitfield.
3355 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3356 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3357 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3358 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3360 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3362 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3364 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3365 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3366 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3367 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3368 (s390_function_arg_float): Allow SDmode and DDmode values to be
3369 passed in floating point registers.
3370 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3371 check with SCALAR_FLOAT_MODE_P.
3372 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3374 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3376 PR tree-optimization/25985
3377 * tree-ssa-loop-niter.c (number_of_iterations_le,
3378 number_of_iterations_ne): Make comments more precise.
3379 (number_of_iterations_cond): Add only_exit argument. Use the
3380 fact that signed variables do not overflow only when only_exit
3382 (loop_only_exit_p): New.
3383 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3384 number_of_iterations_cond.
3386 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3388 PR tree-optimization/26643
3389 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3392 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3394 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3395 (divsi3_i4_int): Likewise.
3397 2006-03-28 Roger Sayle <roger@eyesopen.com>
3399 * expr.c (emit_group_store): Only create a new pseudo reg if the
3400 quantity it needs to hold isn't already a suitable pseudo.
3402 2006-03-28 Jeff Law <law@redhat.com>
3404 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3405 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3407 2006-03-28 Roger Sayle <roger@eyesopen.com>
3409 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3410 the equivalent ~X & Y, and the symmetry related transformations.
3411 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3412 ~X & Y, and symmetry related transforms.
3414 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3416 Revert my 2006-03-27 patches.
3418 2006-03-28 Roger Sayle <roger@eyesopen.com>
3420 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3421 ~(T1)X, when T1 and T2 are integer types of the same precision
3422 and (T2)X isn't an extension.
3424 2006-03-28 Jeff Law <law@redhat.com>
3426 PR tree-optimization/26796
3427 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3428 need EH edge cleanups rather than purging them immediately.
3429 (eliminate_degenerate_phis): Handle queued EH cleanups.
3431 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3433 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3436 2006-03-27 Roger Sayle <roger@eyesopen.com>
3439 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3440 cast BIT_NOT_EXPR operand to the correct type.
3442 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3444 * tree-loop-linear.c: Don't include varray.h.
3445 (gather_interchange_stats, try_interchange_loops,
3446 linear_transform_loops): Use VEC instead of VARRAY.
3447 * lambda-mat.c: Don't include varray.h.
3448 * tree-chrec.c: Same.
3449 * lambda-trans.c: Same.
3450 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3451 VEC instead of VARRAY.
3452 * tree-vectorizer.h: Idem.
3453 * tree-data-ref.c (dump_data_references,
3454 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3455 initialize_data_dependence_relation, finalize_ddr_dependent,
3456 compute_all_dependences, find_data_references_in_loop,
3457 compute_data_dependences_for_loop, analyze_all_data_dependences,
3458 free_dependence_relation, free_dependence_relations,
3459 free_data_refs): Idem.
3460 * tree-data-ref.h (data_reference_p, subscript_p): New.
3461 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3462 VEC instead of VARRAY.
3463 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3464 (find_data_references_in_loop, compute_data_dependences_for_loop,
3465 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3466 dump_data_dependence_relations, free_dependence_relations,
3467 free_data_refs): Adjust declaration.
3468 (lambda_transform_legal_p): Move declaration here...
3469 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3470 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3471 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3472 vect_analyze_data_refs): Use VEC instead of VARRAY.
3473 * lambda.h (lambda_transform_legal_p): ...from here.
3474 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3475 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3476 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3477 tree-chrec.o): Don't depend on VARRAY_H.
3479 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3481 * rtl.def (Copyright): Update date.
3482 (DEPS_LIST): Change type of the second operand to 'int'.
3483 * target.h (Copyright): Update date.
3484 (struct gcc_target.speculate_insn): Change type of the second parameter
3486 * lists.c (Copyright): Update date.
3487 (alloc_DEPS_LIST): Change signature. Update reference to the second
3488 operand of the DEPS_LIST.
3489 (copy_DEPS_LIST_list): Update reference to the second operand of the
3491 * rtl.h (Copyright): Update date.
3492 (alloc_DEPS_LIST): Update signature.
3493 * sched-int.h (Copyright): Update date.
3494 (ds_t): Change typedef to 'int'.
3495 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3497 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3499 * haifa-sched.c (Copyright): Update date.
3500 (try_ready): Change condition to restore non-speculative pattern
3502 (process_insn_depend_be_in_spec): Code to keep probability of the
3503 speculative dependence non-decreasing.
3505 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3507 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3508 shut up the compiler.
3510 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3512 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3513 to use lib prefix for target.
3514 ($(T)libic_invalidate_array_4-200.a): Likewise.
3515 ($(T)libic_invalidate_array_4a.a): Likewise.
3517 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3518 J"orn Rennecke <joern.rennecke@st.com>
3520 * superh.opt: New file.
3521 * sh.c (boardtype, osruntime): Remove.
3522 * superh.h (SUBTARGET_OPTIONS): Remove.
3523 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3525 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3526 arguments with ^ and/or [].
3528 * config.gcc (sh-*-*): Add quoting to account for quirk of
3530 Replace == with = in enable_incomplete_targets test.
3532 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3533 with MASK_LITTLE_ENDIAN.
3535 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3536 * config/sh/sh.opt: Added to some comments.
3537 * config/sh/superh.h: Removed some chaff.
3539 * config/sh/sh.opt: Add m4-[1234]00* options.
3540 * config/sh/sh.c (sh_handle_option): Likewise.
3541 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3542 (ic_invalidate_array_4-100.o): New rule.
3543 ($(T)libic_invalidate_array_4-100.a): Likewise.
3544 (ic_invalidate_array_4-200.o): Likewise.
3545 ($(T)libic_invalidate_array_4-200.a): Likewise.
3546 (ic_invalidate_array_4a.o): Likewise.
3547 ($(T)libic_invalidate_array_4a.a): Likewise.
3548 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3549 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3551 * config/sh/crt1.asm: Merged in profiling code.
3552 * config/sh/superh.h (STARTFILE_SPEC): Override.
3553 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3554 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3555 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3557 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3558 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3559 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3561 * sh.opt (mpretend-cmove): New option.
3562 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3563 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3564 (movsicc): Add TARGET_PRETEND_CMOVE code.
3566 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3568 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3569 s390_class_max_nregs): New function prototypes.
3570 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3571 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3572 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3573 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3575 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3577 * dwarf2out.c (add_location_or_const_value_attribute): Call
3578 tree_add_const_value_attribute if nothing else works.
3579 (reference_to_unused): New.
3580 (rtl_for_decl_init): Use reference_to_unused to decide whether
3581 to output an initializer.
3583 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3586 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3587 peephole removing spe frob_di_df_2.
3589 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3591 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3592 (subscript_dependence_tester_1): Declared.
3593 (print_dir_vectors, print_dist_vectors): New.
3594 (debug_data_dependence_relation): New.
3595 (dump_data_dependence_relation): Print more details.
3596 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3597 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3598 (save_dist_v, save_dir_v, add_outer_distances,
3599 build_classic_dist_vector_1): New.
3600 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3601 Don't test for lambda_vector_lexico_pos.
3602 (same_access_functions, add_multivariate_self_dist,
3603 add_other_self_distances, dir_from_dist): New.
3604 (build_classic_dir_vector): Replace implementation almost identical to
3605 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3607 (subscript_dependence_tester_1): New.
3608 (subscript_dependence_tester): Handle the lexicographically negative
3609 distance vectors by recomputing the dependence relation.
3610 (compute_affine_dependence): Remove parameter loop_nest_depth.
3611 (compute_self_dependence): Don't call compute_subscript_distance.
3612 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3613 Add a parameter for the loop_nest.
3614 (find_loop_nest_1, find_loop_nest): New.
3615 (compute_data_dependences_for_loop): Compute the loop nest, and give
3616 up if the nest is not well formed.
3617 * tree-data-ref.h (loop_p): New.
3618 (struct data_dependence_relation): Replace size_vect field with
3619 loop_nest, a vec of loops.
3620 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3621 (DDR_LOOP_NEST): New.
3622 (print_dir_vectors, print_dist_vectors,
3623 debug_data_dependence_relation): Declared.
3624 (index_in_loop_nest): New.
3625 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3626 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3629 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3631 * simplify-rtx.c (simplify_relational_operation): Call
3632 simplify_relational_operation_1 even if mode is VOIDmode.
3634 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3636 PR tree-optimization/26804
3637 * tree.h (DECL_CALL_CLOBBERED): New macro.
3638 (tree_decl_common): Add call_clobbered_flag.
3639 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3640 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3641 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3642 (mark_non_addressable): Ditto.
3643 * tree-ssa.c (verify_call_clobbered): New function.
3644 (verify_alias_info): Use it.
3645 * tree-pass.h (pass_reset_cc_flags): New prototype.
3646 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3647 (reset_cc_flags): New function.
3648 * passes.c (init_optimization_passes): Call reset_cc_flags after
3649 initializing referenced_vars.
3651 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3652 Roger Sayle <roger@eyesopen.com>
3655 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3656 to 1.0 for non-real operands. Implement A / A optimization for
3659 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3661 * config/i386/i386.c (size_cost): Correct the comment for
3662 cost of storing fp registers.
3663 (i386_cost): Likewise.
3664 (i486_cost): Likewise.
3665 (pentium_cost): Likewise.
3666 (pentiumpro_cost): Likewise.
3667 (k6_cost): Likewise.
3668 (athlon_cost): Likewise.
3669 (k8_cost): Likewise.
3670 (pentium4_cost): Likewise.
3671 (nocona_cost): Likewise.
3672 (generic64_cost): Likewise.
3673 (generic32_cost): Likewise.
3675 2006-03-24 Denis Chertykov <denisc@overta.ru>
3677 * config/avr/avr-protos.h (extra_constraint): Delete.
3678 (extra_constraint_Q): New declaration.
3679 * config/avr/constraints.md: New file.
3680 * config/avr/avr.md: Include it.
3681 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3682 (TMP_REGNO, ZERO_REGNO): Likewise.
3683 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3684 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3685 (extra_constraint): Delete.
3686 (extra_constraint_Q): Test for memory constraint 'Q'.
3687 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3688 (REG_CLASS_FROM_LETTER): Delete.
3689 (CONST_OK_FOR_LETTER_P): Delete.
3690 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3691 (EXTRA_CONSTRAINT): Delete.
3692 (TMP_REGNO): Delete.
3693 (ZERO_REGNO): Delete.
3695 2006-03-24 Jeff Law <law@redhat.com>
3697 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3698 directly. Call mark_new_vars_to_rename slightly earlier.
3700 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3702 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3704 (gen_compile_unit_die): Use new language types for Objective-C and
3706 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3707 DW_LANG_C_plus_plus.
3710 * config/t-darwin (crt3.o): Work around bug 26840.
3711 * config/darwin-crt3.c: Rewrite.
3712 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3714 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3716 * doc/invoke.texi: Document -femit-class-debug-always
3717 * common.opt: Add -femit-class-debug-always.
3719 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3721 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3722 index and base register.
3723 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3724 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3725 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3726 REGNO_OK_FOR_INDEX_P.
3727 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3729 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3730 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3731 REG_OK_FOR_BASE_P): Definitions removed.
3733 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3736 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3737 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3738 set yet or weren't marked as local yet.
3740 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3742 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3745 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3747 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3748 (rs6000_legitimate_small_data_p): Delete.
3749 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3750 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3751 and make static. Add forward declaration. Update uses.
3752 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3753 of offsettable_memref_p.
3754 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3755 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3757 2006-03-24 Jeff Law <law@redhat.com>
3759 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3760 around bug in immediate-use iterator.
3762 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3765 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3766 or __LITTLE_ENDIAN__.
3768 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3770 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3771 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3772 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3773 * config/sh/sh.opt (mdiv=): Amend description.
3774 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3775 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3776 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3777 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3778 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3779 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3780 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3781 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3782 TARGET_DIVIDE_CALL_FP.
3784 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3786 * haifa-sched.c (choose_ready): Fix type of the local variable.
3787 Move local variables. Add comment.
3788 (check_reg_live): Change signature. Make callable from debugger.
3789 * sched-int.h (check_reg_live): Update signature.
3790 * sched-ebb.c (check_reg_live): Update parameters.
3791 * sched-rgn.c (check_reg_live): Ditto.
3792 (region_head_or_leaf_p): Check pointer before dereferencing.
3793 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3794 before reload on optimization levels below 1.
3796 2006-03-23 Richard Henderson <rth@redhat.com>
3798 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3802 * config/alpha/predicates.md (local_symbolic_operand): Reject
3805 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3808 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3809 expressions which have overflowed constants.
3811 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3813 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3815 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3817 * cfgloopmanip.c (create_loop_notes): Removed.
3818 * final.c (final_scan_insn): Do not handle loop notes.
3819 * jump.c (squeeze_notes): Ditto.
3820 * cfglayout.c (skip_insns_after_block,
3821 duplicate_insn_chain): Ditto.
3822 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3824 * cfgloop.h (create_loop_notes): Declaration removed.
3826 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3828 * varasm.c (output_constant_pool): Restore fnname and fndecl
3830 (assemble_start_function): Adjust call accordingly.
3831 (assemble_end_function): Likewise.
3833 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3836 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3839 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3841 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3844 * system.h (ICE_EXIT_CODE): New macro.
3845 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3846 (diagnostic_action_after_output): Likewise.
3847 * gcc.c (fatal_ice): New function.
3848 (execute): Use it instead of fatal.
3849 (fancy_abort): Likewise.
3850 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3852 2006-03-22 Jeff Law <law@redhat.com>
3854 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3855 iv_analyze_result returning false.
3857 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3859 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3861 2006-03-22 Richard Henderson <rth@redhat.com>
3864 * except.c (duplicate_eh_regions_0): New.
3865 (duplicate_eh_region_1): Duplicate the children of the node as
3866 well as the node itself. Link them up properly.
3867 (duplicate_eh_region_2): Merge into ...
3868 (duplicate_eh_regions): ... here. Take copy_region argument, and
3869 copy only a sub-tree if asked. Simplify copying and fixup.
3870 (eh_region_outer_p): New.
3871 * except.h (duplicate_eh_regions): Update decl.
3872 (eh_region_outer_p): Declare.
3873 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3874 (lower_omp_master): Likewise.
3875 (lower_omp_ordered): Likewise.
3876 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3877 (move_stmt_r): Use it to remap labels. Handle recursion vs
3878 remap_decls_p properly.
3879 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3880 (find_outermost_region_in_block): New.
3881 (new_label_mapper): New.
3882 (move_sese_region_to_fn): Copy eh information to the new function
3884 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3886 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3889 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3891 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3892 into shared libraries.
3894 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3896 * doc/md.texi: Refer to i386/constraints.md instead of
3898 * config/i386/constraints.md: New file, extracted from...
3899 * config/i386/predicates.md: ...here.
3900 * config/i386/i386.md: Include constraints.md.
3902 2006-03-21 Jason Merrill <jason@redhat.com>
3904 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3907 * expr.c (init_block_move_fn): Force default visibility.
3908 (init_block_clear_fn): Likewise.
3909 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3910 * targhooks.c (default_external_stack_protect_fail): Likewise.
3912 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3914 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3915 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3916 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3917 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3918 (loadgp): Use mips_current_loadgp_style.
3919 (loadgp_noshared): New pattern.
3920 (sibcall_internal): Use MIPS_CALL.
3921 (sibcall_value_internal): Likewise.
3922 (sibcall_value_multiple_internal): Likewise.
3923 (call_internal): Likewise.
3924 (call_value_internal): Likewise.
3925 (call_value_multiple_internal): Likewise.
3926 (call_split): Use MIPS_CALL and add an 'S' constraint.
3927 (call_value_split): Likewise.
3928 (call_value_multiple_split): Likewise.
3929 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3930 (-mshared): New option.
3931 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3932 (mips_current_loadgp_style): Declare.
3933 * config/mips/mips.c (mips_classify_symbol): Avoid using
3934 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3935 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3936 TARGET_ABSOLUTE_ABICALLS.
3937 (override_options): Adjust comments. Improve the warning that is
3938 issued when -mabicalls and -G are used together.
3939 (mips_file_start): Remove comment.
3940 (mips_current_loadgp_style): New function.
3941 (mips_gnu_local_gp): New variable.
3942 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3944 (mips_output_function_prologue): Use mips_current_laodgp_style.
3945 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3946 the cprestore instruction.
3947 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3948 live for TARGET_ABSOLUTE_ABICALLS.
3949 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3950 (ASM_SPEC): Pass down -mshared and -mno-shared.
3951 (MIPS_CALL): New macro.
3952 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3954 * doc/invoke.texi (-mabicalls): Update documentation.
3955 (-mshared): Document.
3957 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3959 * config/ia64/unwind-hpux.c: New file.
3960 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3962 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3965 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3967 2006-03-21 Jeff Law <law@redhat.com>
3969 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3970 type conversions of a VR_VARYING source to a wider type.
3972 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3974 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3975 tm_file on Solaris 10 and later.
3976 (sparc64-*-solaris2*): Likewise.
3977 (sparc-*-solaris2*): Likewise.
3978 * config/sol26.h: Rename to config/sol2-6.h.
3979 * config/sol2-10.h: New file.
3981 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3984 * tree-ssa-pre.c (create_component_ref_by_pieces):
3987 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3990 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3991 return it immediately.
3993 2006-03-21 Michael Matz <matz@suse.de>
3995 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3997 (remove_arc, add_arc): Update num_out_arcs member.
3998 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4000 (cache_presence): New function.
4001 (compare_states_for_equiv): New function.
4002 (state_is_differed): Don't take number of outargs, adjust callers.
4003 Use new invariant for speeding up.
4004 (init_equiv_class): Create initial classes based on sorted
4006 (partition_equiv_class): Don't track out_arcs_num.
4007 (evaluate_equiv_classes): Call cache_presence on all states and
4010 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4012 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4013 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4014 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4015 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4017 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4018 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4019 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4020 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4021 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4023 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4024 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4025 (REGNO_REG_CLASS): ARGP is in PREGS.
4026 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4028 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4029 to deal with those addresses.
4030 * addresses.h: New file.
4031 * caller-save.c: Include "addresses.h".
4032 (init_caller_save): Use new base_reg_class function.
4033 * rtl-factoring.c: Include "addresses.h".
4034 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4035 * recog.c: Include "addresses.h".
4036 (preprocess_constraints): Use new base_reg_class function.
4037 * regrename.c: Include "addresses.h".
4038 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4039 functions. Keep track of a new var INDEX_CODE to compute valid
4041 (replace_oldest_value_addr): Likewise.
4042 (replace_oldest_value_mem): Use base_reg_class.
4043 * reload.c: Include "addresses.h".
4044 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4045 (find_reloads): Use new base_reg_class function.
4046 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4047 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4048 all callers and prototype changed.
4049 * reload1.c: Include "addresses.h".
4050 (maybe_fix_stack_asms): Use base_reg_class.
4051 * regclass.c: Include "addresses.h".
4052 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4053 (init_reg_autoinc): Use new base_reg_class function.
4054 (record_reg_classes): Likewise.
4055 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4056 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4057 Use new args to compute necessary class.
4059 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4060 regrename.o, rtl-factoring.o): Update dependencies.
4061 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4062 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4063 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4064 REG_OK_FOR_INDEX_P): Delete documentation.
4066 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4068 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4069 from V7 to V9 for Solaris 7 and above.
4071 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4073 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4074 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4075 argument pointers may not alias any other storage.
4076 * common.opt: Define option -fargument-noalias-anything.
4077 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4078 alias semantics is specified by flag_argument_noalias > 2.
4080 2006-03-20 Jeff Law <law@redhat.com>
4082 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4083 (pass_phi_only_cprop): Declare.
4084 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4086 * tree-ssa-dom.c (degenerate_phi_result): New function.
4087 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4088 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4089 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4090 (eliminate_degenerate_phis): Likewise.
4091 (pass_phi_only_cprop): New pass descriptor.
4092 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4093 support code. Callers updated.
4094 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4095 (store_copy_prop): Likewise.
4096 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4098 2006-03-20 Jason Merrill <jason@redhat.com>
4101 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4102 (push_visibility, pop_visibility): Likewise.
4103 * c-pragma.h: Declare them.
4105 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4107 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4109 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4110 parameter and use get_ebb_head_tail.
4111 (sh_md_init_global): Adjust uses of find_regmode_weight.
4113 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4115 * function.h (struct function) <x_tail_recursion_reentry>:
4116 Rename to x_stack_check_probe_note.
4117 (tail_recursion_reentry): Rename to stack_check_probe_note.
4118 * function.c: Replace tail_recursion_reentry with
4119 stack_check_probe_note everywhere.
4120 (expand_function_start): Only emit a note for
4121 stack_check_probe_note with -fstack-protect.
4122 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4124 * emit-rtl.c (remove_unnecessary_notes): Remove.
4125 (pass_remove_unnecessary_notes): Remove.
4126 * rtl.h (remove_unnecessary_notes): Remove prototype.
4127 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4128 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4129 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4131 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4134 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4135 (valid_in_set): Handle ARRAY_REF.
4136 Change "if min_variant or VH" to asserts.
4137 (create_component_ref_by_pieces): Handle ARRAY_REF.
4138 (create_expression_by_pieces): Likewise.
4139 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4141 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4143 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4144 is operand of switch, not str[0].
4146 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4148 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4149 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4151 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4153 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4154 end of insn_extra_address_constraint declaration.
4156 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4158 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4159 (no-sum-in-toc): Same.
4160 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4162 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4163 NO_FP_IN_TOC for -fPIC instead of mask.
4165 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4166 (BOOT_LDFLAGS): Delete.
4168 * config/rs6000/t-aix52: Same.
4170 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4171 (stmsi[345678]_power): New.
4173 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4175 * config/ia64/ia64.opt: Add empty line to end of file.
4177 2006-03-17 Richard Guenther <rguenther@suse.de>
4180 * builtins.c (get_pointer_alignment): For component style references
4181 adjust alignment to the component type alignment. Make sure
4182 to adjust alignment for component access of constants.
4184 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4186 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4189 2006-03-17 Paul Brook <paul@codesourcery.com>
4191 * doc/install.texi: Docuemnt --with-mode.
4192 * config.gcc: Add --with-mode for arm*-*-*.
4193 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4195 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4197 * sh.c (max_labelno_before_reorg): New variable.
4198 (sh_reorg): Initialize it.
4199 (find_barrier): Check max_labelno_before_reorg before using
4200 label_to_alignment. Take length of explicit alignment insns
4201 into account. When seeing a UNSPECV_CONST_END, return it.
4203 * sh.c (fixup_mova): Set mode of affected label to QImode.
4204 (untangle_mova): New function.
4205 (find_barrier): Use it. Check mode of label before decrementing
4207 (sh_reorg): Likewise.
4208 Set mode of all insns back to VOIDmode.
4210 * sh.c (MOVA_LABELREF): New macro.
4211 (mova_p, fixup_mova, sh_reorg): Use it.
4212 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4213 ADDR_DIFF_VEC matches mova.
4215 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4217 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4218 with ATTRIBUTE_UNUSED.
4220 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4222 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4223 pointer, instead of assuming it is possible to derive the
4224 correct args size from a call insn.
4226 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4228 * rtl.h (CONST_INT_P): Define.
4229 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4230 instead of GET_CODE(x) == CONST_INT.
4231 (vax_rtx_costs): Likewise.
4232 (vax_output_int_move): Likewise.
4233 (vax_output_int_add): Likewise.
4234 (legitimate_constant_address_p): Likewise.
4235 (index_term_p): Likewise.
4236 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4237 * config/vax/vax.md (and<mode>3): Likewise.
4238 (ashrsi3): Likewise.
4240 (movstricthi): Likewise.
4241 (movstrictqi): Likewise.
4242 (rotrsi3): Likewise.
4243 (five unnamed insns): Likewise.
4245 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4247 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4248 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4249 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4250 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4251 Pass to ASM_OUTPUT_DWARF_OFFSET.
4252 * dwarf2out.c (debug_frame_section): New.
4253 (output_call_frame_info): Use debug_frame_section. Pass it to
4254 dw2_asm_output_offset.
4255 (output_die): Pass appropriate section to dw2_asm_output_offset.
4256 (output_compilation_unit_header): Likewise.
4257 (output_pubnames): Likewise.
4258 (output_aranges): Likewise.
4259 (enum dw_val_class): Break dw_val_class_lbl_offset into
4260 dw_val_class_lineptr and dw_val_class_macptr.
4261 (add_AT_lbl_offset): Delete.
4262 (add_AT_lineptr): New.
4263 (add_AT_macptr): New.
4264 (AT_lbl): Expect a lineptr or macptr.
4265 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4266 (attr_checksum): Likewise.
4267 (same_dw_val_p): Likewise.
4268 (size_of_die): Likewise.
4269 (value_format): Likewise.
4270 (output_die): Likewise.
4271 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4273 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4274 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4275 * config/darwin-protos.h (darwin_file_start): New.
4276 (darwin_asm_output_dwarf_offset): New.
4277 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4278 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4280 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4281 if not EH section; simplify.
4282 (darwin_file_start): New.
4283 (darwin_asm_output_dwarf_offset): New.
4284 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4286 (DEBUG_INFO_SECTION): Likewise.
4287 (DEBUG_ABBREV_SECTION): Likewise.
4288 (DEBUG_ARANGES_SECTION): Likewise.
4289 (DEBUG_MACINFO_SECTION): Likewise.
4290 (DEBUG_LINE_SECTION): Likewise.
4291 (DEBUG_LOC_SECTION): Likewise.
4292 (DEBUG_PUBNAMES_SECTION): Likewise.
4293 (DEBUG_STR_SECTION): Likewise.
4294 (DEBUG_RANGES_SECTION): Likewise.
4295 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4296 (ASM_OUTPUT_DWARF_OFFSET): New.
4298 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4300 * config.gcc (tm_defines): Always add to previous value rather
4303 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4305 * config/mips/predicates.md (splittable_const_int_operand): New,
4306 split from move_operand.
4307 (splittable_symbolic_operand): New.
4308 (move_operand): Add commentary. Use splittable_const_int_operand.
4309 Inline mips_atomic_symbolic_constant_p.
4310 * config/mips/mips.md: Add combine splitters for handling moves
4311 of splittable_const_int_operands and splittable_symbolic_operands.
4312 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4313 (mips_split_symbol): Declare.
4314 (mips_move_integer): Declare.
4315 * config/mips/mips.c (mips_split_p): Make global.
4316 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4317 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4318 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4319 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4320 (mips_offset_within_object_p): Handle block symbols.
4321 (mips_atomic_symbolic_constant_p): Delete.
4322 (mips_cannot_force_const_mem): Return false for constants that
4323 mips_legitimize_move can handle.
4324 (mips_use_blocks_for_constant_p): New function.
4325 (mips_split_symbol): Make global.
4326 (mips_move_integer): Likewise. Add a temporary register argument.
4327 (mips_legitimize_const_move): Use splittable_const_int_operand and
4328 splittable_symbolic_operand.
4329 (mips_use_anchors_for_symbol_p): New function.
4330 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4331 (mips_split_p): Declare.
4333 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4335 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4336 (mips*-*-linux*): Likewise.
4338 2006-03-16 Roger Sayle <roger@eyesopen.com>
4339 Daniel Speyer <dspeyer@wam.umd.edu>
4342 * tree-dump.c (dump_real): New function.
4343 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4344 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4345 (tree-dump.o): Add $(REAL_H) to the dependencies.
4347 2006-03-16 Roger Sayle <roger@eyesopen.com>
4350 * real.c (real_from_string): If the mantissa is zero, don't bother
4351 parsing the exponent as the result should always be zero.
4353 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4355 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4357 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4359 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4360 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4361 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4362 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4363 ia64_sched_finish_global): New static functions to implement
4364 hooks from gcc_target.sched.
4365 (spec_check_no, max_uid, pending_data_specs): New static variables.
4366 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4367 ia64_spec_check_src_p): New static functions.
4368 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4369 (TARGET_SCHED_ADJUST_COST): Removed.
4370 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4371 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4372 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4373 TARGET_SCHED_GEN_CHECK,
4374 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4375 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4376 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4377 Fixed to handle speculation checks.
4378 (rtx_needs_barrier): Fixed to handle speculative loads and
4380 (ia64_variable_issue): Added code to count speculative loads and their
4382 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4384 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4386 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4388 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4389 (ia64_reorg): Reset stops_p to NULL after it is freed.
4390 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4391 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4392 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4394 (data_speculative, control_speculative, check_load): New attributes.
4395 (mov<mode>_advanced, mov<mode>_speculative,
4396 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4397 zero_extend<mode>di2_speculative,
4398 zero_extend<mode>di2_speculative_advanced): New patterns for
4399 data and control speculative loads.
4400 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4402 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4403 New pattern for data and control speculation checks.
4404 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4405 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4406 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4407 Auxiliary definitions for the patterns.
4408 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4409 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4411 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4413 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4414 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4415 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4416 New resource constraints.
4417 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4419 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4420 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4421 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4422 msched-in-control-spec, msched-ldc, msched-control-ldc,
4423 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4424 msched-prefer-non-control-spec-insns,
4425 msched-count-spec-in-critical-path): New flags to tune speculative
4427 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4428 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4429 msched-in-control-spec, msched-ldc, msched-control-ldc,
4430 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4431 msched-prefer-non-control-spec-insns,
4432 msched-count-spec-in-critical-path): Document new flags.
4434 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4436 * target.h (struct spec_info_def): New opaque declaration.
4437 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4438 speculate_insn, needs_block_p, gen_check,
4439 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4440 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4441 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4442 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4443 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4444 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4446 (TARGET_SCHED): Use new macros.
4447 * rtl.h (copy_DEPS_LIST_list): New prototype.
4448 * sched-int.h (struct sched_info): Change signature of new_ready field,
4449 adjust all initializations. New fields: add_remove_insn,
4450 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4451 region_head_or_leaf_p.
4452 (struct spec_info_def): New structure declaration.
4453 (spec_info_t): New typedef.
4454 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4455 recovery_block, orig_pat.
4456 (glat_start, glat_end): New variables declaraions.
4457 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4459 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4460 DETACH_LIFE_INFO, USE_GLAT.
4461 (enum SPEC_SCHED_FLAGS): New enumeration.
4462 (NOTE_NOTE_BB_P): New macro.
4463 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4464 attach_life_info, debug_spec_status, check_reg_live): New functions.
4465 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4466 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4468 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4469 * ddg.c (get_block_head_tail): Adjust all uses.
4470 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4471 (sms_sched_info): Initialize new fields.
4472 (contributes_to_priority): Removed.
4473 * haifa-sched.c (params.h): New include.
4474 (get_block_head_tail): Adjust all uses.
4475 (ISSUE_POINTS): New macro.
4476 (glat_start, glat_end): New global variables.
4477 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4478 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4479 old_last_basic_block, before_recovery, current_sched_info_var,
4480 rgn_n_insns, luid): New static variables.
4481 (insn_cost1): New function. Move logic from insn_cost to here.
4482 (find_insn_reg_weight1): New function. Move logic from
4483 find_insn_reg_weight to here.
4484 (reemit_notes, move_insn, max_issue): Change signature.
4485 (move_insn1): Removed.
4486 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4487 extend_bb): New static functions to support extension of scheduler's
4489 (generate_recovery_code, process_insn_depend_be_in_spec,
4490 begin_speculative_block, add_to_speculative_block,
4491 init_before_recovery, create_recovery_block, create_check_block_twin,
4492 fix_recovery_deps): New static functions to support
4493 generation of recovery code.
4494 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4495 restore_bb_notes, move_block_after_check, move_succs): New static
4496 functions to support ebb scheduling.
4497 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4498 functions to support handling of register live information.
4499 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4500 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4501 add_jump_dependencies): New static functions.
4502 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4503 consistancy checking.
4504 (debug_spec_status): New function to call from debugger.
4505 (priority): Added code to handle speculation checks.
4506 (rank_for_schedule): Added code to distinguish speculative instructions.
4507 (schedule_insn): Added code to handle speculation checks.
4508 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4509 Fixed to handle ebbs.
4510 (move_insn): Added code to handle ebb scheduling.
4511 (max_issue): Added code to use ISSUE_POINTS of instructions.
4512 (choose_ready): Added code to choose between speculative and
4513 non-speculative instructions.
4514 (schedule_block): Added code to handle ebb scheduling and scheduling of
4515 speculative instructions.
4516 (sched_init): Initialize new variables.
4517 (sched_finish): Free new variables. Print statistics.
4518 (try_ready): Added code to handle speculative instructions.
4519 * lists.c (copy_DEPS_LIST_list): New function.
4520 * sched-deps.c (extend_dependency_caches): New function. Move logic
4521 from create_dependency_caches to here.
4522 (get_dep_weak, ds_merge): Make global.
4523 * genattr.c (main): Code to output prototype for
4524 dfa_clear_single_insn_cache.
4525 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4526 (output_dfa_clean_insn_cache_func): Code to output
4527 dfa_clear_single_insn_cache function.
4528 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4530 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4532 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4533 New static variables.
4534 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4535 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4537 (ebb_sched_info): Initialize new fields.
4538 (get_block_head_tail): Adjust all uses.
4539 (compute_jump_reg_dependencies): Fixed to use glat_start.
4540 (schedule_ebb): Code to remove unreachable last block.
4541 (schedule_ebbs): Added code to update register live information.
4542 * sched-rgn.c (region_sched_info): Initialize new fields.
4543 (get_block_head_tail): Adjust all uses.
4544 (last_was_jump): Removed. Adjust users.
4545 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4546 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4547 Implement new hooks.
4548 (check_dead_notes1): New static function.
4549 (struct region): New fields: dont_calc_deps, has_real_ebb.
4550 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4551 (BB_TO_BLOCK): Fixed to handle EBBs.
4552 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4553 (ebb_head): New static variable.
4554 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4555 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4557 (compute_dom_prob_ps): New assertion.
4558 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4559 global_live_at_start.
4560 (init_ready_list): New assertions.
4561 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4562 (new_ready): Add support for BEGIN_CONTROL speculation.
4563 (schedule_insns): Fixed code that updates register live information
4565 (schedule_region): Fixed to handle EBBs.
4566 (init_regions): Use extend_regions and check_dead_notes1.
4567 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4568 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4569 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4570 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4571 TARGET_SCHED_GEN_CHECK,
4572 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4573 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4574 * doc/invoke.texi (max-sched-insn-conflict-delay,
4575 sched-spec-prob-cutoff): Document.
4577 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4579 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4580 inter_tick, queue_index.
4581 (struct sched_info): Change signature of init_ready_list field.
4582 Adjust all initializations.
4583 (RESOLVED_DEPS): New access macro.
4584 (ready_add): Remove prototype.
4585 (try_ready): Add prototype.
4586 * sched-rgn.c (init_ready_list): Use try_ready.
4587 (schedule_region): Initialize
4588 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4589 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4590 (init_ready_list): Use try_ready.
4591 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4592 * lists.c (remove_list_elem): Remove `static'.
4593 (remove_free_INSN_LIST_elem): New function.
4594 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4595 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4596 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4598 (readyp): New variable.
4599 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4600 change_queue_index, resolve_dep): New static functions.
4601 (try_ready): New function. Adjust callers in sched-rgn.c and
4602 sched-ebb.c to use it instead of ready_add.
4603 (clock_var): Move at the begining of file.
4604 (rank_for_schedule): Fix typo.
4605 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4606 (ready_lastpos): Enforce assertion.
4607 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4609 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4610 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4611 (queue_to_ready): Use free_INSN_LIST_list.
4612 (early_queue_to_ready): Fix typo.
4613 (schedule_block): Init readyp. Move init_ready_list call after the
4614 initialization of clock_var. Fix error in rejecting insn by
4615 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4616 that previously corrected INSN_TICKs. Add code for handling
4618 (set_priorities): Fix typo.
4619 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4620 Clarify comment and code that keeps current_sched_info->next_tail
4623 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4625 * sched-rgn.c (extend_rgns): New static function.
4626 (find_rgns): Use it.
4627 (gather_region_statistics, print_region_statistics): New static
4629 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4630 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4632 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4633 Andrey Belevantsev <abel@ispras.ru>
4635 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4636 * lists.c (unused_deps_list): New variable.
4637 (free_list): Add assertions to verify the proper distinguishing
4638 between INSN_LISTs and DEPS_LISTs.
4639 (find_list_elem, remove_list_elem, remove_list_node): New static
4641 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4642 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4643 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4644 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4646 (free_INSN_LIST_node): Likewise.
4647 * modulo-sched.c (current_sched_info): Initialize flags field.
4648 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4649 * rtl.def (DEPS_LIST): Define.
4650 * rtl.h: Declare new functions from lists.c.
4651 * sched-deps.c (spec_dependency_cache): New static variable.
4652 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4653 (add_dependence): Change return type to void. Move the logic to ...
4654 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4655 (delete_all_dependences): Add comment about forward_dependency_cache.
4656 Handle spec_dependency_cache. Handle DEPS_LISTs.
4657 (fixup_sched_groups): Clarify the change of priority of output
4658 and anti dependencies.
4659 (sched_analyze_2): Adjust add_dependence calls to create data
4660 speculative dependence.
4661 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4662 Adjust all callers. Handle DEPS_LISTS.
4663 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4664 presence of speculation.
4665 (init_dependency_caches, free_dependency_caches):
4666 Handle spec_dependency_cache.
4667 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4668 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4669 New static functions.
4670 (add_or_update_back_dep, add_or_update_back_forw_dep,
4671 add_back_forw_dep, delete_back_forw_dep): New functions.
4672 * sched-int.h (ds_t, dw_t): New typedefs.
4673 (struct sched_info): Add new field flags.
4674 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4675 Prototype new sched-deps.c functions.
4676 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4677 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4678 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4679 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4680 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4681 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4683 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4685 * sched-rgn.c (current_sched_info): Initialize flags field.
4686 (schedule_insns): Initialize current_sched_info before the sched_init
4688 * sched-ebb.c (current_sched_info): Initialize flags field.
4689 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4690 Call add_or_update_back_dep instead of add_dependence.
4691 Create control speculative dependencies.
4692 (schedule_insns): Initialize current_sched_info before the sched_init
4695 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4697 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4699 (sh_fallback_frame_state): Likewise.
4701 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4703 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4704 Do switch on default_use_cxa_atexit.
4705 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4706 * config/darwin-crt3.o: New.
4707 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4708 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4709 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4711 * config/rs6000/t-darwin: Move crt2.o building to here.
4712 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4713 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4716 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4718 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4719 from '! xxx' to '!xxx' for coding-style conformance.
4720 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4721 (EXTRA_CONSTRAINT): Likewise.
4722 * config/vax/vax.md (four unnamed insns): Likewise.
4724 2006-03-15 Paul Brook <paul@codesourcery.com>
4726 * config/arm/arm.c (minipool_pad): New.
4727 (add_minipool_forward_ref): Include pool alignment padding in address
4729 (push_minipool_fix): Set minipool_pad.
4730 (minipool_pad): Ditto.
4732 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4734 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4735 instead of GET_CODE() == MEM and REG_P() instead of
4737 (print_operand_address): Likewise.
4738 (vax_address_cost): Likewise.
4739 (vax_rtx_costs): Likewise.
4740 (vax_notice_update_cc): Likewise.
4741 (vax_output_int_add): Likewise.
4742 (INDEX_REGISTER_P): Likewise.
4743 (BASE_REGISTER_P): Likewise.
4744 (nonindexed_address_p): Likewise.
4745 (vax_mode_dependent_address_p): Likewise.
4746 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4747 (PRINT_OPERAND): Likewise.
4748 * config/vax/vax.md (ashlsi3): Likewise.
4749 (ashlsi3): Likewise.
4750 (some more unnamed insns): Likewise.
4752 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4754 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4755 iterator-style macro.
4756 (mark_control_dependent_edges_necessary): Update the use of
4757 EXECUTE_IF_CONTROL_DEPENDENT.
4759 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4761 * config/sh/predicates.md (cache_address_operand): Special.
4762 (ua_address_operand): Likewise.
4764 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4766 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4768 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4770 2006-03-15 Andreas Schwab <schwab@suse.de>
4772 * gensupport.c (identify_predicable_attribute): Don't free p_false
4773 when it is still in use.
4775 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4777 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4778 the default setting here.
4780 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4782 * tree-pass.h (pass_cfg): Remove.
4783 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4784 * passes.c (pass_cfg): Don't run it.
4786 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4788 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4789 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4791 (stack_regs_mentioned): Update the uses of
4792 stack_regs_mentioned_data. Don't access the array beyond its
4794 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4795 Don't include gt-reg-stack.h.
4797 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4798 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4800 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4803 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4806 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4808 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4810 2006-03-14 Richard Guenther <rguenther@suse.de>
4812 PR tree-optimization/26672
4813 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4816 2006-03-14 Richard Guenther <rguenther@suse.de>
4818 PR tree-optimization/26667
4819 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4820 node for the callees. Always allow inlining if it will shrink
4823 2006-03-14 Richard Guenther <rguenther@suse.de>
4826 * builtins.c (get_pointer_alignment): Prefer alignment
4827 information from decls over that from types.
4829 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4832 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4834 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4836 * config/rs6000/rs6000.opt (mdlmzb): New option.
4837 (msched-prolog, msched-epilog): Use Var not Mask.
4838 * doc/invoke.texi (-mdlmzb): Document.
4839 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4841 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4842 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4844 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4846 PR rtl-optimization/25739
4847 * bt-load.c (augment_live_range): Free tos pointer.
4849 * gensupport.c (identify_predicable_attribute): Free
4851 * gcov.c (create_file_names): Free name pointer.
4853 2006-03-13 Roger Sayle <roger@eyesopen.com>
4856 * stmt.c (emit_case_nodes): Handle the case where the index is a
4857 CONST_INT, where the comparison mode is specified by the index type.
4859 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4861 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4864 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4866 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4867 (*branch_fp_inverted): Likewise.
4869 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4872 * omp-low.c (expand_omp_for_generic): Mark istart0
4873 and iend0 as addressable.
4875 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4877 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4879 2006-03-13 Jeff Law <law@redhat.com>
4881 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4882 virtual operands are interesting.
4883 (vrp_visit_stmt): Corresponding changes.
4885 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4887 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4889 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4890 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4891 * config/bfin/crti.S: Use it instead of __PIC__.
4892 * config/bfin/crtn.S: Likewise.
4894 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4895 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4897 Lose 'G' modifier for call operand.
4898 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4899 recognize 'G' modifier.
4901 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4904 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4905 * stmt.c (expand_case): Likewise.
4907 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4909 PR rtl-optimization/26254
4910 * loop-invariant.c (seq_insns_valid_p): New function.
4911 (move_invariant_reg): Only emit new code if it is valid.
4913 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4915 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4917 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4918 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4919 (commit_one_edge_insertion): Do not look for loop notes.
4921 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4923 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4924 flag_test_coverage out of loop.
4926 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4928 * final.c (shorten_branches): Remove outdated comment, and turn
4929 the if branch that guards it to continue.
4931 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4933 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4934 * cfgloop.h (struct loop): Remove unused fields.
4936 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4938 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4939 (-dL, -fdump-rtl-loop2): Update the dump file names
4941 * doc/invoke.texi: Update dump file names.
4943 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4945 * predict.c (estimate_probability): Remove.
4946 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4947 * basic-block.h (estimate_probability): Remove prototype.
4948 * passes.c (finish_optimization_passes): Dump branch prediction or
4949 profiling heuristics to the .profile tree dump.
4950 (init_optimization_passes): Unqueue pass_branch_prob.
4952 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4954 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4956 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4957 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4959 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4961 * function.h (frame_offset_overflow): Declare.
4962 * function.c (frame_offset_overflow): New function.
4963 (assign_stack_local_1): Call it to detect that the offset overflows.
4964 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4966 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4968 * config/sh/sh.c: Include alloc-pool.h.
4969 (label_ref_list_pool): New alloc pool.
4970 (label_ref_list_t): New type for lists of labels.
4971 (struct pool_node): Make wend a label_ref_list_t.
4972 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4974 (dump_table): Likewise.
4975 (sh_reorg): Set up the alloc pool before using add_constant and
4976 dump_table, and destroy it when finishing.
4978 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4980 * config/mips/mips.c: Remove redundant comment.
4982 2006-03-10 Jason Merrill <jason@redhat.com>
4985 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4986 the target was declared 'register'.
4988 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4990 * genpreds.c (write_insn_constraint_len): Change definition of
4991 insn_constraint_len to return size_t to match the declaration.
4993 2006-03-10 DJ Delorie <dj@redhat.com>
4995 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4997 (m32c_expand_insv): Fix test for an AND mask.
4999 2006-03-10 Richard Guenther <rguenther@suse.de>
5002 * builtins.c (get_pointer_alignment): Handle component
5003 references for field alignment.
5005 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5007 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5008 when building with libgloss.
5009 (sh*elf): Implement --without-fp option.
5010 (sh64-superh-linux*): Don't multilib.
5012 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5014 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5016 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5018 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5019 Set it when one of the replacement functions returned true.
5020 Return TODO_cleanup_cfg if cfgchanged is true.
5021 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5023 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5025 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5026 instead of gen_lowpart.
5028 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5030 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5032 (mips_output_order_conditional_branch): Declare.
5033 * config/mips/mips.h (MIPS_BRANCH): New macro.
5034 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5035 for the comparison. Use gen_condjump.
5036 (mips_output_conditional_branch): Rework interface to take the
5037 asm templates for a direct branch and the inverse of a direct branch.
5038 (mips_output_order_conditional_branch): New function.
5039 (mips_builtin_branch_and_move): New function.
5040 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5041 branch condition. Use gen_single_cc as the condition for
5042 __builtin_mips_upper_* or __builtin_mips_lower_*.
5043 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5044 Use VOIDmode for the branch condition.
5045 * config/mips/predicates.md (order_operator): New predicate.
5046 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5047 (branch_fp): Rename to...
5048 (*branch_fp): ...this. Remove mode from comparison operator.
5049 Use new mips_output_conditional_branch interface.
5050 (branch_fp_inverted): Rename to...
5051 (*branch_fp_inverted): ...this and update as for *branch_fp.
5052 (*branch_zero<mode>): Rename to...
5053 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5054 Use mips_output_order_conditional_branch. Only accept ordered
5056 (*branch_zero<mode>_inverted): Rename to...
5057 (*branch_order<mode>_inverted): ...this and update as for
5058 *branch_order<mode>.
5059 (*branch_equality<mode>): Accept zero as the second operand to
5060 the equality operator. Use the new mips_output_conditional_branch
5062 (*branch_equality<mode>_inverted): Likewise.
5063 (condjump): New expander.
5064 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5066 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5067 (bc1any2t, bc1any2f): Likewise.
5068 (single_cc): New expander.
5069 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5071 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5073 * doc/md.texi: Update documentation of MIPS constraints.
5074 * config/mips/constraints.md: New file.
5075 * config/mips/mips.md: Include it.
5076 * config/mips/mips.c (mips_char_to_class): Delete.
5077 (override_options): Don't initialize mips_char_to_class.
5078 * config/mips/mips.h (mips_char_to_class): Delete.
5079 (REG_CLASS_FROM_LETTER): Delete.
5080 (CONST_OK_FOR_LETTER_P): Delete.
5081 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5082 (EXTRA_CONSTRAINT_Y): Delete.
5083 (EXTRA_CONSTRAINT_STR): Delete.
5084 (CONSTRAINT_LEN): Delete.
5085 (EXTRA_MEMORY_CONSTRAINT): Delete.
5087 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5089 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5090 original fn's eh regions.
5092 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5094 * fold-const.c (build_range_check): Make sure to use a valid type to
5095 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5098 (range_predecessor): New static function.
5099 (range_successor): Likewise.
5100 (merge_ranges): Use them to compute predecessors and successors of
5103 2006-03-09 Roger Sayle <roger@eyesopen.com>
5106 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5107 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5109 2006-03-08 DJ Delorie <dj@redhat.com>
5111 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5112 (addpsi3): Expand to include memory operands. Remove
5113 reload-specific splits.
5114 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5115 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5116 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5117 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5118 (shift1_qi, shift1_hi, insv): New.
5119 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5120 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5121 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5123 * config/m32c/m32c-protos.h: Update as needed.
5124 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5125 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5126 Fail for unrecognized R* constraints.
5127 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5128 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5129 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5131 (m32c_init_libfuncs): New.
5132 (m32c_legitimate_address_p): Add debug wrapper.
5133 (m32c_rtx_costs): New.
5134 (m32c_address_cost): New.
5135 (conversions): Add 'B' prefix.
5136 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5137 operands, or word regnames for QI operands. 'B' prints bit
5139 (m32c_expand_setmemhi): New.
5140 (m32c_expand_movmemhi): New.
5141 (m32c_expand_movstr): New.
5142 (m32c_expand_cmpstr): New.
5143 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5144 (m32c_expand_neg_mulpsi3): Handle non-ints.
5145 (m32c_cmp_flg_0): New.
5146 (m32c_expand_movcc): New.
5147 (m32c_expand_insv): New.
5148 (m32c_scc_pattern): New.
5149 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5150 a0/a1 out of SIregs.
5151 (STORE_FLAG_VALUE): New.
5152 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5155 * config/m32c/mov.md: Make constraints more liberal.
5156 (zero_extendqihi2): Optimize r0/r1 case.
5157 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5158 * config/m32c/predicates.md (m32c_any_operand): New.
5159 (m32c_nonimmediate_operand): New.
5160 (m32c_hl_operand): New.
5161 (m32c_r3_operand): New.
5164 (memsym_operand): New.
5165 (memimmed_operand): New.
5166 (a_qi_operand): New.
5167 (m32c_eqne_operator): New.
5168 (m32c_1bit8_operand): New.
5169 (m32c_1bit16_operand): New.
5170 (m32c_1mask8_operand): New.
5171 (m32c_1mask16_operand): New.
5172 * config/m32c/blkmov.md: New file.
5173 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5175 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5177 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5178 unsigned to fix signed/unsigned comparison issue in
5179 DWARF2_FRAME_REG_OUT.
5180 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5181 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5183 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5184 of ptr into the ENABLE_CHECKING section.
5186 2006-03-08 Jeff Law <law@redhat.com>
5188 * tree-vrp.c (infer_value_range): Only count pointer uses
5189 and dereferences if -fdelete-null-pointer-checks is enabled.
5191 * tree-vrp.c (find_assert_locations): Infer value ranges for
5192 single use pointers, but do not create ASSERT_EXPRs for them.
5193 When a non-null range is inferred for a pointer, backwards
5194 propagate that range to other equivalent pointers through the
5197 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5200 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5201 language hook targets.
5202 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5203 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5204 if language hook targets were missing.
5206 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5208 * tree-ssa-opfinalize.h: Removed.
5209 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5211 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5212 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5213 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5214 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5215 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5216 finalize_ssa_v_must_def_ops): New.
5218 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5220 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5223 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5225 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5227 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5228 addresses with offsets; reorganize.
5230 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5231 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5232 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5234 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5237 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5239 2006-03-08 Ben Elliston <bje@au.ibm.com>
5241 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5243 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5246 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5249 2006-03-07 Richard Guenther <rguenther@suse.de>
5251 PR tree-optimization/26587
5252 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5254 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5256 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5258 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5260 * hooks.c (hook_bool_mode_rtx_true): New function.
5261 * hooks.h (hook_bool_mode_rtx_true): Declare.
5262 * toplev.c (compile_file): Call output_shared_constant_pool.
5263 * varasm.c (shared_constant_pool): New variable.
5264 (assemble_start_function, assemble_end_function): Remove arguments
5265 from call to output_constant_pool.
5266 (create_constant_pool): New function, split out from...
5267 (init_varasm_status): ...here.
5268 (force_const_mem): Choose between the shared and per-function constant
5269 pools. Set current_function_uses_const_pool when reusing old entries
5270 as well as when creating new ones.
5271 (mark_constant): Ignore data argument.
5272 (mark_constants): Remove pool argument.
5273 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5274 to decide whether the function uses a constant pool.
5275 (output_constant_pool_contents): New function, split out from...
5276 (output_constant_pool): ...here.
5277 (output_shared_constant_pool): New function.
5278 (init_varasm_once): Initialize shared_constant_pool.
5279 * output.h (output_constant_pool): Delete.
5280 (output_shared_constant_pool): Declare.
5281 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5282 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5284 2006-03-06 Nick Clifton <nickc@redhat.com>
5286 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5287 flag_strength_reduce.
5289 2006-03-06 Ben Elliston <bje@au.ibm.com>
5291 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5292 x86_64-*-linux* configurations.
5294 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5295 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5297 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5299 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5301 * basic-block.h: Remove the extern for
5302 rediscover_loops_after_threading.
5304 * cfgloop.c (cancel_loop): Make it static.
5305 * cfgloop.h: Remove the prototype for cancel_loop.
5307 * flow.c (recompute_reg_usage): Make it static.
5308 * rtl.h: Remove the prototype for recompute_reg_usage.
5310 * function.c (use_return_register): Make it static.
5311 * function.h: Remove the prototype.
5313 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5315 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5317 * recog.h: Remove the prototype for
5318 validate_change_maybe_volatile.
5320 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5322 * rtlanal.c (replace_reg): Remove.
5323 * rtl.h: Remove the prototype for replace_reg.
5325 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5327 * regclass.c (reg_scan_update): Remove.
5328 (reg_scan_mark_refs): Remove the last argument.
5329 * rtl.h: Remove the prototype for reg_scan_update.
5331 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5333 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5334 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5335 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5336 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5337 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5338 loop-invariant.c, omp-low.c, opts.c, passes.c,
5339 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5340 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5341 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5342 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5343 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5344 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5346 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5348 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5349 * dwarf2out.h: Remove the prototype for
5350 dwarf2out_add_library_unit_info.
5352 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5354 * tree.c (add_var_to_bind_expr): Remove.
5355 * tree.h: Remove the prototype for add_var_to_bind_expr.
5357 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5359 * regclass.c (n_non_fixed_regs): Remove.
5360 (init_reg_sets_1, globalize_reg): Remove all uses of
5362 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5366 * rtlanal.c (insns_safe_to_move_p): Remove.
5367 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5369 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5371 * expmed.c (expand_mult_add): Remove.
5372 * expr.h: Remove the prototype for expand_mult_add.
5374 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5376 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5377 and REG_SAVED_VAL_EXP constants.
5378 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5379 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5380 Handle regs stored by value.
5381 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5382 (execute_cfa_program): Handle DW_CFA_val_offset,
5383 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5384 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5385 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5386 (uw_install_context_1): Handle target regs stored by value.
5388 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5390 * tree-sra.c (tree_sra): Return todoflags;
5391 (generate_one_element): Set TODO_update_smt_usage if needed.
5392 (pass_sra): Remove TODO_update_smt_usage.
5393 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5395 (tree_ssa_forward_propagate_single_use_vars): Return
5396 TODO_update_smt_usage if we need to update SMT usage.
5397 (pass_forwprop): Remove TODO_update_smt_usage.
5399 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5401 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5402 (correct_use_link): Remove reference to get_stmt_operands.
5403 (update_stmt_operands): Likewise.
5404 (get_modify_expr_operands): New function factored out of
5405 parse_ssa_operands and get_expr_operands.
5406 Try to create V_MUST_DEFs for LHS by default.
5407 (get_expr_operands) <case MODIFY_EXPR>: Call
5408 get_modify_expr_operands.
5409 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5410 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5411 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5412 get_modify_expr_operands.
5414 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5416 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5417 * tree-flow.h: Remove the prototype for
5418 referenced_var_lookup_if_exists.
5420 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5422 PR rtl-optimization/26345
5424 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5426 2006-03-03 Roger Sayle <roger@eyesopen.com>
5428 PR tree-optimization/26524
5429 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5430 fold_convert to create a constant of the appropriate type.
5432 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5434 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5435 SYMBOL_REF_IN_BLOCK_P.
5436 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5437 of SYMBOL_FLAG_IN_BLOCK.
5438 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5439 instead of SYMBOL_REF_IN_BLOCK_P.
5440 * explow.c (use_anchored_address): Likewise.
5441 * rtl.c (rtx_size): Likewise.
5442 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5443 instead of SYMBOL_FLAG_IN_BLOCK.
5444 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5445 SYMBOL_REF_IN_BLOCK_P.
5446 (assemble_variable): Likewise.
5447 (output_constant_def_contents): Likewise.
5448 (output_constant_pool): Likewise.
5449 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5450 instead of SYMBOL_FLAG_IN_BLOCK.
5451 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5452 SYMBOL_REF_IN_BLOCK_P.
5453 (SYMBOL_REF_BLOCK): Likewise.
5454 (SYMBOL_REF_OFFSET): Likewise.
5455 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5456 SYMBOL_REF_IN_BLOCK_P.
5457 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5458 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5459 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5460 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5462 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5464 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5466 2006-03-02 Roger Sayle <roger@eyesopen.com>
5468 * simplify-rtx.c (simplify_unary_operation): When simplifying
5469 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5470 that we perform the right shift in the appropriate mode, and
5471 then extend or truncate the result to requested mode.
5473 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5475 * gengtype.c (main): Handle double_int type.
5476 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5477 * double-int.c: New file.
5478 * double-int.h: New file.
5479 * system.h: Include doubleint.h.
5480 * Makefile.in (SYSTEM_H): Include double-int.h.
5481 (double-int.o): Add.
5483 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5486 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5489 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5491 * tree-vrp.c (remove_range_assertions): Do not update statements
5494 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5496 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5498 * gcse.c (rest_of_handle_gcse): Ditto.
5499 * except.c (gate_handle_eh): Ditto.
5500 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5501 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5503 2006-03-02 Eric Christopher <echristo@apple.com>
5505 * config/i386/i386.c (machopic_output_stub): Add indirection to
5508 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5512 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5514 Sun Niagara specific optimizations.
5515 * config.gcc: Recognize niagara as target.
5516 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5517 (TARGET_CPU_niagara): Define.
5518 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5519 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5520 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5521 (ASM_CPU_SPEC): Likewise.
5522 (PROCESSOR_NIAGARA): New enum entry.
5523 (REGISTER_MOVE_COST): Handle Niagara.
5524 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5525 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5526 (sparc_override_options): Recognize "niagara", set appropriate
5527 default MASK_* values for it, and align functions to 32-bytes
5528 by default just like ULTRASPARC/ULTRASPARC3.
5529 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5530 (sparc64_initialize_trampoline): Likewise.
5531 (sparc_use_sched_lookahead): Use zero for niagara.
5532 (sparc_issue_rate): Use one for niagara.
5533 * config/sparc/niagara.md: New file.
5534 * config/sparc/sparc.md: Include it.
5535 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5536 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5537 when default cpu is niagara.
5538 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5539 (ASM_CPU_SPEC): Likewise.
5540 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5541 when default cpu is niagara.
5542 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5543 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5544 just like v9/ultrasparc/ultrasparc3.
5545 * doc/invoke.texi: Add documentation for "niagara" and improve
5546 existing documentation for ultrasparc variants.
5548 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5550 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5552 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5554 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5555 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5556 and say that only one is needed.
5557 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5558 * target.h (have_switchable_bss_sections): New hook.
5559 * explow.c (use_anchored_address): Check that the symbol is in a block.
5560 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5561 (bss_noswitch_section): New variables.
5562 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5563 (get_noswitch_section): New function.
5564 (get_block_for_section): Allow SECT to be null.
5565 (unlikely_text_section_p): Use SECTION_STYLE.
5566 (bss_initializer_p): New function.
5567 (get_variable_section): Move earlier in file. Take a new argument,
5568 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5569 Return one of the new *_sections in such cases.
5570 (get_block_for_decl): New function, extracting some logic from
5571 use_blocks_for_decl_p.
5572 (change_symbol_section): Remove in favor of...
5573 (change_symbol_block): ...this new function.
5574 (use_blocks_for_decl_p): Remove checks now performed by
5576 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5577 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5578 (emit_local, emit_bss, emit_common): ...these new functions.
5579 Return true if the alignment was honored.
5580 (emit_tls_common): New function.
5581 (asm_emit_uninitialised): Delete.
5582 (assemble_variable_noswitch): New function, split out from...
5583 (assemble_variable): ...here. Don't make decisions about common
5584 variables here. Globalize all public decls that go into non-common
5585 sections. Check whether SYMBOL_REF_BLOCK is null.
5586 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5587 (output_constant_pool): Likewise.
5588 (init_varasm_once): Initialize the new section variables.
5589 (have_global_bss_p): New function.
5590 (categorize_decl_for_section): Use bss_initializer_p.
5591 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5592 (place_block_symbol): Assert that the symbol must be in a block.
5593 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5594 (TARGET_INITIALIZER): Include it.
5595 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5596 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5597 (SECTION_MACH_DEP): Bump by two.
5598 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5599 (unnamed_section): Mention SECTION_UNNAMED in comment.
5600 (named_section): Likewise SECTION_NAMED.
5601 (noswitch_section_callback): New type.
5602 (noswitch_section): New structure.
5603 (section): Add a noswitch_section alternative.
5604 (SECTION_STYLE): New macro.
5605 (tls_comm_section, comm_section, lcomm_section): Declare.
5606 (bss_noswitch_section, have_global_bss_p): Declare.
5607 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5608 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5610 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5611 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5614 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5616 * tree-vrp.c (execute_vrp): Return value.
5617 * regrename.c (rest_of_handle_regrename): Ditto.
5618 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5619 * tree-complex.c (tree_lower_complex): Ditto.
5620 (tree_lower_complex_O0): Ditto.
5621 * tracer.c (rest_of_handle_tracer): Ditto.
5622 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5623 * postreload.c (rest_of_handle_postreload): Ditto.
5624 * tree-tailcall.c (execute_tail_recursion): Ditto.
5625 (execute_tail_calls): Ditto.
5626 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5627 * tree.h (init_function_for_compilation): Ditto.
5628 * ipa-cp.c (ipcp_driver): Ditto.
5629 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5630 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5631 * final.c (compute_alignments): Ditto.
5632 (rest_of_handle_final): Ditto.
5633 (rest_of_handle_shorten_branches): Ditto.
5634 (rest_of_clean_state): Ditto.
5635 * omp-low.c (execute_expand_omp): Ditto.
5636 (execute_lower_omp): Ditto.
5637 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5638 * ipa-reference.c (static_execute): Ditto.
5639 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5640 * reorg.c (rest_of_handle_delay_slots): Ditto.
5641 (rest_of_handle_machine_reorg): Ditto.
5642 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5643 * flow.c (recompute_reg_usage): Ditto.
5644 (rest_of_handle_remove_death_notes): Ditto.
5645 (rest_of_handle_life): Ditto.
5646 (rest_of_handle_flow2): Ditto.
5647 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5648 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5649 (do_ssa_store_ccp): Ditto.
5650 (execute_fold_all_builtins): Ditto.
5651 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5652 * modulo-sched.c (rest_of_handle_sms): Ditto.
5653 * ipa-pure-const.c (static_execute): Ditto.
5654 * cse.c (rest_of_handle_cse): Ditto.
5655 (rest_of_handle_cse2): Ditto.
5656 * web.c (rest_of_handle_web): Ditto.
5657 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5658 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5659 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5660 * tree-nrv.c (tree_nrv): Ditto.
5661 (execute_return_slot_opt): Ditto.
5662 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5663 (create_structure_vars): Ditto.
5664 * loop-init.c (rtl_loop_init): Ditto.
5665 (rtl_loop_done): Ditto.
5666 (rtl_move_loop_invariants): Ditto.
5667 (rtl_unswitch): Ditto.
5668 (rtl_unroll_and_peel_loops): Ditto.
5669 (rtl_doloop): Ditto.
5670 * gimple-low.c (lower_function_body): Ditto.
5671 (mark_used_blocks): Ditto.
5672 * tree-ssa-sink.c (execute_sink_code): Ditto.
5673 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5674 (cgraph_early_inlining): Ditto.
5675 * global.c (rest_of_handle_global_alloc): Ditto.
5676 * jump.c (cleanup_barriers): Ditto.
5677 (purge_line_number_notes): Ditto.
5678 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5679 (rest_of_handle_if_after_reload): Ditto.
5680 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5681 (tree_ssa_loop_im): Ditto.
5682 (tree_ssa_loop_unswitch): Ditto.
5683 (tree_vectorize): Ditto.
5684 (tree_linear_transform): Ditto.
5685 (tree_ssa_loop_ivcanon): Ditto.
5686 (tree_ssa_empty_loop): Ditto.
5687 (tree_ssa_loop_bounds): Ditto.
5688 (tree_complete_unroll): Ditto.
5689 (tree_ssa_loop_prefetch): Ditto.
5690 (tree_ssa_loop_ivopts): Ditto.
5691 (tree_ssa_loop_done): Ditto.
5692 * predict.c (tree_estimate_probability): Ditto.
5693 * recog.c (split_all_insns_noflow): Ditto.
5694 (rest_of_handle_peephole2): Ditto.
5695 (rest_of_handle_split_all_insns): Ditto.
5696 * tree-eh.c (lower_eh_constructs): Ditto.
5697 * regmove.c (rest_of_handle_regmove): Ditto.
5698 (rest_of_handle_stack_adjustments): Ditto.
5699 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5700 * function.c (instantiate_virtual_regs): Ditto.
5701 (init_function_for_compilation): Ditto.
5702 (rest_of_handle_check_leaf_regs): Ditto.
5703 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5704 (rest_of_handle_gcse): Ditto.
5705 * ipa-type-escape.c (type_escape_execute): Ditto.
5706 * alias.c (rest_of_handle_cfg): Ditto.
5707 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5708 * profile.c (rest_of_handle_branch_prob): Ditto.
5709 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5710 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5711 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5712 * tree-dfa.c (find_referenced_vars): Ditto.
5713 * except.c (set_nothrow_function_flags): Ditto.
5714 (convert_to_eh_region_ranges): Ditto.
5715 (rest_of_handle_eh): Ditto.
5716 * emit-rtl.c (unshare_all_rtl): Ditto.
5717 (remove_unnecessary_notes): Ditto.
5718 * except.h (set_nothrow_function_flags): Ditto.
5719 (convert_to_eh_region_ranges): Ditto.
5720 * cfgexpand.c (tree_expand_cfg): Ditto.
5721 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5722 * tree-ssa-pre.c (do_pre): Ditto.
5723 (execute_fre): Ditto.
5724 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5725 (rest_of_handle_jump2): Ditto.
5726 * tree-sra.c (tree_sra): Ditto.
5727 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5728 (execute_mudflap_function_decls): Ditto.
5729 * tree-ssa-copy.c (do_copy_prop): Ditto.
5730 (do_store_copy_prop): Ditto.
5731 * ipa-prop.h (ipcp_driver): Ditto.
5732 * cfglayout.c (insn_locators_initialize): Ditto.
5733 * tree-ssa-forwprop.c
5734 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5735 * cfglayout.h (insn_locators_initialize): Ditto.
5736 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5737 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5738 (execute_late_warn_uninitialized): Ditto.
5739 * rtl.h (cleanup_barriers): Ditto.
5740 (split_all_insns_noflow): Ditto.
5741 (purge_line_number_notes): Ditto.
5742 (unshare_all_rtl): Ditto.
5743 (remove_unnecessary_notes): Ditto.
5744 (recompute_reg_usage): Ditto.
5745 (variable_tracking_main): Ditto.
5746 * integrate.c (emit_initial_value_sets): Ditto.
5747 * integrate.h (emit_initial_value_sets): Ditto.
5748 * tree-optimize.c (execute_free_datastructures): Ditto
5749 (execute_free_cfg_annotations): Ditto.
5750 (execute_fixup_cfg): Ditto.
5751 (execute_cleanup_cfg_pre_ipa): Ditto.
5752 (execute_cleanup_cfg_post_optimizing): Ditto.
5753 (execute_init_datastructures): Ditto.
5754 * tree-object-size.c (compute_object_sizes): Ditto.
5755 * combine.c (rest_of_handle_combine): Ditto.
5756 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5757 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5758 (rest_of_handle_reorder_blocks): Ditto.
5759 (rest_of_handle_partition_blocks): Ditto.
5760 * var-tracking.c (variable_tracking_main): Ditto.
5761 * tree-profile.c (tree_profiling): Ditto.
5762 * tree-vect-generic.c (expand_vector_operations): Ditto.
5763 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5764 * sched-rgn.c (rest_of_handle_sched): Ditto.
5765 (rest_of_handle_sched2): Ditto.
5766 * basic-block.h (free_bb_insn): Ditto.
5767 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5768 * tree-cfg.c (execute_build_cfg): Ditto.
5769 (remove_useless_stmts): Ditto.
5770 (split_critical_edges): Ditto.
5771 (execute_warn_function_return): Ditto.
5772 (execute_warn_function_noreturn): Ditto.
5773 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5774 * cfgrtl.c (free_bb_for_insn): Ditto.
5775 * passes.c (execute_one_pass): Run additional
5776 todos returned by execute function.
5777 * tree-pass.h (struct tree_opt_pass): Make execute
5780 2006-03-02 Richard Guenther <rguenther@suse.de>
5782 * tree-ssa-alias.c (find_used_portions): Consider taking
5783 the address as making the variable not write-only.
5785 2006-03-02 Nick Clifton <nickc@redhat.com>
5787 * config.gcc (default_use_cxa_atexit): Extend the description of
5788 this configure variable. Set its default value to "yes" for
5789 Linux, NetBSD and ELF targets on the assumption that they will
5790 use C libraries with the __cxa_atexit function.
5792 2006-03-02 Ben Elliston <bje@au.ibm.com>
5794 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5795 parameter as unused to suppress a build warning.
5797 2006-03-02 Ben Elliston <bje@au.ibm.com>
5799 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5802 2006-03-01 Roger Sayle <roger@eyesopen.com>
5805 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5806 declared name, the weak reference name, and the typeof name.
5807 (__gthrw): Avoid expanding the declared name suffix.
5808 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5810 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5812 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5814 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5815 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5816 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5817 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5818 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5819 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5820 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5821 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5822 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5823 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5824 (DW_END_default, DW_END_big, DW_END_little): New.
5825 (DW_END_lo_user, DW_END_hi_user): Define.
5826 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5827 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5828 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5831 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5833 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5835 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5837 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5839 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5841 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5842 to 'symbol_mem_tag'.
5844 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5847 2006-03-01 Roger Sayle <roger@eyesopen.com>
5849 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5851 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5854 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5855 MACHO_DYNAMIC_NO_PIC_P.
5856 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5858 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5861 * config/darwin-protos.h (darwin_asm_output_anchor):
5863 * config/darwin-sections.def (cstring_section):
5864 Add SECTION_MERGE to the flags.
5865 (literal4_section): Likewise.
5866 (literal8_section): Likewise.
5867 (objc_selector_refs_section): Likewise.
5868 (objc_cls_refs_section): Likewise.
5869 * config/darwin.c (darwin_asm_output_anchor): New
5871 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5873 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5875 Fix PR tree-optimization/26443
5876 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5877 to todo and PROP_tmt_usage to properties_destroyed.
5878 * tree-ssa-ccp.c (pass_ccp): Ditto.
5879 (pass_store_ccp): Ditto.
5880 * tree-ssa-dom.c (pass_dominator): Ditto.
5882 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5884 * tree-ssa-operands.c: Cleanup whitespace.
5885 (get_asm_expr_operands): Move before first invocation.
5886 (get_indirect_ref_operands): Likewise.
5887 (get_tmr_operands): Likewise.
5888 (get_call_expr_operands): Likewise.
5889 (append_def): Likewise.
5890 (append_use): Likewise.
5891 (append_v_may_def): Likewise.
5892 (append_v_must_def): Likewise.
5893 (add_call_clobber_ops): Likewise.
5894 (add_call_read_ops): Likewise.
5895 (add_stmt_operand): Likewise.
5896 (add_virtual_operand): Likewise.
5897 (build_ssa_operands): Likewise.
5899 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5904 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5905 with a call expr to ...
5906 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5908 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5910 * tree-vrp.c (extract_range_from_assert): Remove special
5911 handling for types with super-types.
5913 2006-03-01 Ben Elliston <bje@au.ibm.com>
5915 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5916 and powerpc64-*-linux* configurations.
5917 * config/t-dfprules: New file.
5919 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5920 Compile dfp-bit.c from the source directory using -DWIDTH and
5921 $DFP_CFLAGS to control the compilation of that file, rather than
5922 generating width-specific versions in the build directory.
5923 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5924 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5926 2006-02-28 Zack Weinberg <zackw@panix.com>
5928 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5931 2006-02-28 Eric Christopher <echristo@apple.com>
5933 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5934 Set up IN_LIBGCC definition of TARGET_64BIT.
5935 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5937 2006-02-28 Roger Sayle <roger@eyesopen.com>
5940 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5941 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5942 cases via the construction of "expr != 0".
5944 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5946 * alias.c (alias_invariant, alias_invariant_size): Remove.
5947 (record_base_value): Remove.
5948 (memrefs_conflict_p): Don't look at alias_invariant.
5949 (end_alias_analysis): Don't free it.
5950 * alias.h (record_base_value): Remove prototype.
5952 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5953 Adam Nemet <anemet@caviumnetworks.com>
5955 * rtl.h (truncated_to_mode): Declare it.
5956 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5957 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5958 (RTL_HOOKS_INITIALIZER): Include it.
5959 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5960 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5961 reg_truncated_to_mode.
5962 * rtlanal.c (truncated_to_mode): Define it.
5963 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5965 2006-02-28 Jeff Law <law@redhat.com>
5967 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5968 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5969 the range allowed by TYPE_PRECISION.
5971 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5973 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5975 PR tree-optimization/26419
5976 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5979 2006-02-27 Zack Weinberg <zackw@panix.com>
5981 * doc/md.texi: Fix typo in previous change.
5983 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5987 2006-02-27 Zack Weinberg <zackw@panix.com>
5989 * rtl.def (define_constraint, define_register_constraint)
5990 (define_memory_constraint, define_address_constraint): New MD forms.
5991 * gensupport.c (process_rtx): Put define_constraint etc on the
5993 * genpreds.c (process_define_predicate): Adjust comment. Validate
5994 the name, and call validate_exp to validate the expression.
5995 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5996 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5997 all callers changed.
5998 (validate_exp, needs_variable, struct constraint_data)
5999 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6000 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6001 (const_dbl_constraints, constraint_max_namelen)
6002 (have_register_constraints, have_memory_constraints)
6003 (have_address_constraints, have_address_constraints)
6004 (have_extra_constraints, have_const_int_constraints)
6005 (have_const_dbl_constraints, mangle, add_constraint)
6006 (process_define_constraint, process_define_register_constraint)
6007 (write_enum_constraint_num, write_lookup_constraint)
6008 (write_insn_constraint_len, write_regclass_for_constraint)
6009 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6010 (write_insn_extra_memory_constraint)
6011 (write_insn_extra_address_constraint)
6012 (write_satisfies_constraint_fns): New.
6013 (write_tm_preds_h): If we have new-style constraint definitions,
6014 prototype the functions generated from them, and define the
6015 old constraint interface (still used by generic code) in terms of
6017 (write_insn_preds_c): If we have new-style constraint definitions,
6018 generate all relevant functions from those definitions.
6019 (main): Handle define_constraint etc.
6020 * genoutput.c (struct constraint_data, indep_constraints)
6021 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6022 (mdep_constraint_len): New data structures and functions, defined
6023 #ifdef USE_MD_CONSTRAINTS.
6024 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6025 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6026 use new logic to validate operand constraints against constraint
6028 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6030 * defaults.h: If none of the old-style constraint macros are
6031 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6032 old-style macros; and poison REG_CLASS_FROM_LETTER,
6033 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6035 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6036 * doc/md.texi: Document new constraint-definition mechanism and the
6037 C interface it provides. Remove references to old mechanism
6038 elsewhere in the document.
6039 (Machine Constraints): Use pathnames relative to gcc directory,
6040 i.e. config/ARCH/FILE. Change i386 section to refer to
6041 config/i386/predicates.md; update that section to match docstrings.
6042 * doc/tm.texi: Move all documentation of the old constraint-
6043 definition macros to their own section, clearly mark as obsolete.
6045 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6046 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6048 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6049 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6050 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6052 (splits and peepholes): Use satisfies_constraint_*.
6053 * config/i386/i386.c (memory_address_length)
6054 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6056 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6058 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6059 scalar operation to be put back into the loop.
6061 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6064 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6065 (extract_cie_info): Handle S flag in augmentation string.
6066 (execute_cfa_program): If context->signal_frame, execute also
6067 fs->pc == context->ra instructions.
6068 (uw_frame_state_for): If context->signal_frame, don't subtract one
6069 from context->ra to find FDE.
6070 (uw_update_context_1): Set context->signal_frame to
6072 (_Unwind_GetIPInfo): New function.
6073 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6074 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6076 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6077 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6078 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6079 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6080 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6081 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6082 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6083 x86_64_fallback_frame_state): Set fs->signal_frame.
6084 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6085 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6086 (frob_update_context): Likewise. Workaround missing S flag in
6087 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6088 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6089 Remove the psw_addr + 1 hack.
6091 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6093 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6094 with aggregates here.
6095 (find_func_aliases): Remove code for &<aggregate> from here.
6097 2006-02-26 Roger Sayle <roger@eyesopen.com>
6099 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6100 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6101 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6104 2006-02-26 Roger Sayle <roger@eyesopen.com>
6107 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6109 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6111 * opts.c (decode_options): Do not handle flag_strength_reduce.
6112 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6113 and OPT_fstrength_reduce.
6114 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6115 flag_prefetch_loop_arrays for being nonzero.
6116 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6118 (fprefetch-loop-arrays-rtl): Removed.
6119 (flag_prefetch_loop_arrays): Do not specify the value.
6121 * doc/passes.texi: Update documentation of loop optimizer
6123 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6124 -frerun-loop-opt): Remove.
6126 2006-02-26 Richard Guenther <rguenther@suse.de>
6128 PR tree-optimization/26421
6129 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6130 in function calls that are ADDR_EXPRs as using the whole structure.
6132 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6134 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6135 * tree-pass.h (pass_loop_optimize): Remove.
6136 * passes.c (pass_loop_optimize): Never run it.
6137 * toplev.c (backend_init): Don't call init_loop.
6138 * opts.c (flag_loop_optimize_set): Remove.
6139 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6140 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6141 the old RTL loop optimizer when profiling enabled.
6142 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6143 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6144 pre-headers for the sake of the old RTL loop optimizer.
6145 * Makefile.in: Remove all references to loop.o.
6147 * doc/invoke.texi: Remove all references to -floop-optimize
6148 and -frerun-loop-opt.
6150 2006-02-26 Zack Weinberg <zackw@panix.com>
6152 * doc/md.texi (Machine Constraints): Refer to all files with paths
6153 relative to gcc directory (i.e. config/CPU/file). Add missing
6154 @table @code ... @end table to M32C subsection.
6156 2006-02-26 Roger Sayle <roger@eyesopen.com>
6158 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6160 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6162 2006-02-26 Roger Sayle <roger@eyesopen.com>
6163 James A. Morrison <phython@gcc.gnu.org>
6166 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6167 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6168 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6169 signedness of the shift operation.
6171 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6173 PR tree-optimization/26359
6174 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6176 2006-02-25 Roger Sayle <roger@eyesopen.com>
6178 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6179 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6180 as X == 0, and some symmetry related transformations.
6181 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6183 2006-02-25 Roger Sayle <roger@eyesopen.com>
6186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6187 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6188 symmetry related transformations. Fold (X^C1) == C2 as
6191 2006-02-25 Juergen Weigert <jw@suse.de>
6192 Richard Guenther <rguenther@suse.de>
6194 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6196 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6198 * combine.c (gen_lowpart_or_truncate): Call
6199 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6201 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6203 * doc/invoke.texi: Move -fopenmp description to "Options for
6205 Remove reference to -lgomp.
6207 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6209 * doc/install.texi: Require GNU tar version 1.14.
6211 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6213 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6214 * doc/invoke.texi (C++ Dialect Options): Document
6215 -fno-use-cxa-get-exception-ptr.
6216 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6217 * configure: Regenerate.
6218 * c.opt (fuse-cxa-get-exception-ptr): New.
6219 * c-opts.c (c_common_handle_option): Handle
6220 OPT_fuse_cxa_get_exception_ptr.
6221 * c-common.c (flag_use_cxa_atexit): Update documentation.
6222 (flag_use_cxa_get_exception_ptr): New.
6223 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6224 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6226 (C_COMMON_OVERRIDE_OPTIONS): New.
6228 2006-02-24 Roger Sayle <roger@eyesopen.com>
6231 * combine.c (try_combine): Explicitly check whether GET_CODE is
6232 a SET or a CLOBBER, instead on checking that it isn't a USE.
6234 2006-02-24 Roger Sayle <roger@eyesopen.com>
6236 * fold-const.c (fold_comparison): New subroutine of fold_binary
6237 containing transformations common to both the equality and
6238 ordering relational operators, factored out of fold_binary.
6239 (fold_binary): Separate out the equality operators (EQ_EXPR
6240 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6241 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6242 transformations common to both.
6243 (fold_div_compare): Fix latent bugs in the previously unreachable
6244 LT_EXPR and GE_EXPR cases.
6246 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6248 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6249 decl libname for clog to __clog on AIX.
6251 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6253 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6256 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6257 output traceback table for thunks. Localise rs6000_stack_info call.
6259 2006-02-23 Roger Sayle <roger@eyesopen.com>
6260 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6262 * gthr-posix.h (__gthrw): Fix typo in comment.
6264 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6266 * doc/cpp.texi (Character sets): Document that we do support
6267 input files to be in any character set.
6269 2006-02-23 Jeff Law <law@redhat.com>
6271 * tree.h (PHI_ARG_NONZERO): Remove.
6272 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6273 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6274 node to the new node.
6276 PR tree-optimization/26425
6277 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6278 min/max, then assume its varying.
6280 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6282 PR rtl-optimization/26316
6283 * rtlanal.c (enum may_trap_p_flags): New.
6284 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6285 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6286 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6287 (may_trap_after_code_motion_p): New function.
6288 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6289 (find_invariant_insn): Use may_trap_after_code_motion_p.
6290 * rtl.h (may_trap_after_code_motion_p): Declare.
6292 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6294 * emit-rtl.c (immed_double_const): Cleanup.
6296 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6298 Fix PR tree-optimization/26376
6299 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6302 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6305 * gimplify.c (omp_add_variable): Guard variable size decl test with
6306 DECL_SIZE (decl) check.
6308 2006-02-23 Richard Guenther <rguenther@suse.de>
6311 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6312 like aggregate types.
6314 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6316 * configure.ac: Add --with{,out}-long-double-128 configure option.
6317 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6318 * configure: Rebuilt.
6319 * config.in: Rebuilt.
6320 * doc/install.texi (Options specification): Document
6321 --with-long-double-128.
6323 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6324 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6325 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6326 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6328 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6330 * config/s390/s390.c (override_options): Handle
6331 TARGET_DEFAULT_LONG_DOUBLE_128.
6333 * config/alpha/alpha.c (override_options): Handle
6334 TARGET_DEFAULT_LONG_DOUBLE_128.
6336 * config/sparc/sparc.c (sparc_override_options): Handle
6337 TARGET_DEFAULT_LONG_DOUBLE_128.
6339 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6341 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6342 (real-install-headers-tar, real-install-headers-cpio)
6343 (real-install-headers-cp): New targets.
6345 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6347 * tree.h (variable_section): Delete.
6348 * varasm.c (variable_section): Delete.
6350 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6352 * install.texi: Add notes on install.texi2html.
6353 (Building in parallel): Do not use footnotes.
6355 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6358 * doc/install.texi (Configuration): Document --disable-libgomp.
6360 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6362 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6364 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6366 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6367 (vec_extractv2df_0_sse): New.
6369 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6371 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6372 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6373 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6374 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6375 to the result of the expression.
6376 (def_cfa_1): Adjust.
6377 (frame_pointer_cfa_offset): Rename to...
6378 (frame_pointer_fb_offset): ... this. Adjust all uses.
6379 (convert_cfa_to_loc_list): Rename to...
6380 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6381 Pass it on to build_cfa_loc.
6382 (compute_frame_pointer_to_cfa_displacement): Rename to...
6383 (compute_frame_pointer_to_fb_displacement): ... this. New
6384 offset parameter. Use it in computation.
6385 (gen_subprogram_die): Compute cfa_fb_offset with the new
6386 macro, and use it to compute the fb loc list and the
6389 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6391 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6392 replaced with register_operand.
6393 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6394 non-DREG is expensive.
6395 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6396 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6399 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6401 * doc/install.texi2html: Use set -e.
6403 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6405 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6406 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6407 * doc/invoke.texi (-fshared-data): Delete.
6408 * common.opt (fshared-data): Delete.
6409 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6410 (assemble_static_space): Remove #if 0 code.
6411 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6412 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6413 * config/cris/cris.h: Remove FIXME.
6415 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6417 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6420 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6423 * combine.c (simplify_shift_const_1): Disable nested shifts
6424 optimization for vector shifts.
6426 2006-02-20 Roger Sayle <roger@eyesopen.com>
6428 PR tree-optimization/26361
6429 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6430 of unsigned integer types.
6432 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6434 * tree-chrec.c (eq_evolutions_p): New.
6435 * tree-chrec.h (eq_evolutions_p): Declared.
6436 * tree-data-ref.c: Fix formatting.
6437 (datadep_stats, dependence_stats): New.
6439 (print_direction_vector): New.
6440 (dump_data_dependence_relation): Use print_direction_vector.
6441 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6442 (compute_subscript_distance): Static.
6443 (initialize_data_dependence_relation): Static. Get the number
6444 of loops surrounding the references from the callers, and initialize
6445 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6446 base_object_differ_p analyzers.
6447 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6448 compute_overlap_steps_for_affine_1_2,
6449 analyze_subscript_affine_affine): Count the classified dependences.
6450 Print a message when a test failed.
6451 (can_use_analyze_subscript_affine_affine): New.
6452 (analyze_siv_subscript): Compute the data dependences on symbolic
6453 scevs that verify can_use_analyze_subscript_affine_affine.
6454 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6455 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6456 Handle symbolic scevs.
6457 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6459 (subscript_dependence_tester): Moved...
6460 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6461 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6462 DDR_SIZE_VECT instead of getting it in parameter.
6463 (subscript_dependence_tester): ... here. Take as a parameter
6464 loop_nest_depth. Call build_classic_dist_vector and
6465 build_classic_dir_vector.
6466 (compute_affine_dependence): Update subscript_dependence_tester
6467 parameters. Update datadep_stats counters. Call
6468 compute_subscript_distance.
6469 (compute_self_dependence): Save the dist and dir vectors. Call
6470 compute_subscript_distance.
6471 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6472 (compute_all_dependences): Reorder parameters as they were before
6473 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6474 compute_subscript_distance. Update the use of
6475 compute_affine_dependence and initialize_data_dependence_relation.
6476 (find_data_references_in_loop): Handle COMPONENT_REF.
6477 (compute_data_dependences_for_loop): Initialize dependence_stats.
6478 Don't call build_classic_dist_vector and build_classic_dir_vector.
6479 Update the parameters of initialize_data_dependence_relation and
6480 compute_all_dependences. Print the statistics from datadep_stats.
6481 (analyze_all_data_dependences): Static. Not used until the pass for
6482 checking the data dependences is contributed.
6483 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6484 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6485 (initialize_data_dependence_relation, compute_affine_dependence,
6486 analyze_all_data_dependences, compute_subscript_distance): Removed.
6487 (print_direction_vector): New.
6488 * lambda.h (gcd): ... here.
6489 (lambda_vector_gcd): Moved here from gcd_vector.
6490 * lambda-code.c (gcd, gcd_vector): Removed.
6491 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6492 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6494 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6496 * ipa-type-escape.c: Tidy some comments and white space.
6497 * tree-ssa-operands.c: Likewise.
6499 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6502 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6503 (dump_decl_name): Do not walk the decl tree chains.
6504 * tree-pass.h (TDF_CHAIN): Remove.
6506 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6508 * Makefile.in (C): Remove
6510 (.PHONY): Remove C and PROTO
6512 2006-02-20 Roger Sayle <roger@eyesopen.com>
6515 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6516 deprecated CHAR_TYPE tree code.
6518 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6520 * configure.ac (target_list): Add install-info, dvi, html.
6521 * configure: Regenerate.
6523 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6524 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6525 treelang/Make-lang.in: Do not use double-colon rules.
6527 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6529 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6530 (TMT_USED_ALONE): New macro.
6531 * tree-pass.h (PROP_tmt_usage): New property.
6532 (TODO_update_tmt_usage): New todo.
6533 * tree-ssa-alias.c (updating_used_alone): New variable.
6534 (recalculate_used_alone): New function.
6535 (compute_may_aliases): Set updating_used_alone, call
6536 recalculate_used_alone.
6537 * tree-sra.c (pass_sra): Note that this pass destroys
6538 PROP_tmt_usage, and add TODO_update_tmt_usage.
6539 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6540 * tree-flow.h (updating_used_alone): Prototype.
6541 (recalculate_used_alone): Ditto.
6542 * passes.c (execute_todo): Add code to set updating_used_alone,
6543 and call recalculate.
6544 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6545 for clobber if used alone, and add assert to verify used_alone
6548 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6550 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6551 for non tls symbols added.
6552 (legitimize_address): Do nothing for PLUS expressions if one of the
6553 addends is a tls symbol reference.
6555 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6559 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6561 * Makefile.in (BOOTSTRAPPING): New.
6562 (quickstrap): New definition if BOOTSTRAPPING=yes.
6564 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6565 * configure.ac: Substitute all_selected_languages with the languages
6566 that were configured. For all the other variables except
6567 lang_specs_files, include all the languages in the tree.
6568 * configure: Regenerate.
6570 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6571 if there is one. Run the commands to run fixincludes in the same
6574 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6575 * doc/install.texi: Document exact conventions for searching target tools.
6576 Document --with-build-time-tools. Document toplevel bootstrap. Document
6577 something more about building an Ada cross-compiler. Don't list GNU Make
6578 requirements which affect all platforms.
6580 2006-02-19 Roger Sayle <roger@eyesopen.com>
6583 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6584 only equivalent if the have both the same mode and precision.
6586 2006-02-20 Ben Elliston <bje@au.ibm.com>
6588 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6590 2006-02-19 Roger Sayle <roger@eyesopen.com>
6591 Steven Bosscher <stevenb.gcc@gmail.com>
6593 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6594 constant pool references to identify stack mode constants.
6595 * rtlanal.c (constant_pool_constant_p): New predicate to check
6596 whether operand is a floating point constant in the pool.
6597 * rtl.h (constant_pool_constant_p): Prototype here.
6598 * loop.c (scan_loop): Avoid hoisting constants from the constant
6599 pool on STACK_REGS targets.
6600 (load_mems): Likewise.
6601 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6602 loads into x87 registers expensive in terms of register pressure.
6604 2006-02-19 Roger Sayle <roger@eyesopen.com>
6606 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6607 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6609 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6611 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6612 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6614 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6616 * doc/invoke.texi: Document -fipa-pta.
6617 * common.opt: Add ipa-pta option.
6618 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6619 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6620 (do_ds_constraint): Ditto.
6621 (get_constraint_for): Only add to referenced_vars if
6622 referenced_vars exists.
6623 (insert_into_field_list): Rewrite to do this unsorted.
6624 (insert_into_field_list_sorted): Rename old insert_into_field_list
6626 (create_function_info_for): Use insert_into_field_list_sorted.
6627 (create_variable_info_for): Rewrite so it uses unsorted version,
6628 since the field list is sorted.
6629 (intra_create_variable_infos): Only add to referenced_vars if
6630 referenced_vars exists.
6631 (ipa_pta_execute): Init heapvars, and delete when done.
6632 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6634 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6636 * doc/install.texi: Add missing `@samp'.
6638 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6640 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6643 2006-02-18 Mark Wielaard <mark@klomp.org>
6645 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6646 who added new 4.1 features, bug fixes and integration support.
6648 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6651 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6654 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6656 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6657 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6658 (copy_insn_1): Likewise. Don't copy each field individually.
6660 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6662 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6663 * rtl.c (rtx_size): Rename variable to...
6664 (rtx_code_size): ...this.
6665 (rtx_size): New function.
6666 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6667 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6669 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6670 * rtl.h (rtx_code_size): New variable.
6671 (rtx_size): Change from a variable to a function.
6672 (RTX_SIZE): Rename to...
6673 (RTX_CODE_SIZE): ...this.
6676 PR tree-optimization/17106
6677 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6678 (Anchored Addresses): New section.
6679 * doc/invoke.texi (-fsection-anchors): Document.
6680 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6681 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6682 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6683 * hooks.c (hook_bool_mode_rtx_false): New function.
6684 * hooks.h (hook_bool_mode_rtx_false): Declare.
6685 * gengtype.c (create_optional_field): New function.
6686 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6687 SYMBOL_REF_IN_BLOCK_P is true.
6688 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6689 (min_anchor_offset, max_anchor_offset): Likewise.
6690 (use_anchors_for_symbol_p): New hook.
6691 * toplev.c (compile_file): Call output_object_blocks.
6692 (target_supports_section_anchors_p): New function.
6693 (process_options): Check that -fsection-anchors is only used on
6694 targets that support it and when -funit-at-a-time is in effect.
6695 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6696 if the decl doesn't have one.
6697 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6698 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6699 of force_const_mem through use_anchored_address.
6700 (expand_expr_constant): New function.
6701 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6702 calling expand_expr for INDIRECT_REF.
6703 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6704 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6705 * expr.h (use_anchored_address): Declare.
6706 * loop-unroll.c: Don't declare rtx vectors here.
6707 * explow.c: Include output.h.
6708 (validize_mem): Call use_anchored_address.
6709 (use_anchored_address): New function.
6710 * common.opt (-fsection-anchors): New switch.
6711 * varasm.c (object_block_htab, anchor_labelno): New variables.
6712 (hash_section, object_block_entry_eq, object_block_entry_hash)
6713 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6714 (use_blocks_for_decl_p, change_symbol_section): New functions.
6715 (get_variable_section): New function, split out from assemble_variable.
6716 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6717 use_blocks_for_decl_p say so. Use change_symbol_section if the
6718 symbol has already been created.
6719 (assemble_variable_contents): New function, split out from...
6720 (assemble_variable): ...here. Don't output any code for
6721 block symbols; just pass them to place_block_symbol.
6722 Use get_variable_section and assemble_variable_contents.
6723 (get_constant_alignment, get_constant_section, get_constant_size): New
6724 functions, split from output_constant_def_contents.
6725 (build_constant_desc): Create a block symbol if use_object_blocks_p
6726 says so. Or into SYMBOL_REF_FLAGS.
6727 (assemble_constant_contents): New function, split from...
6728 (output_constant_def_contents): ...here. Don't output any code
6729 for block symbols; just pass them to place_section_symbol.
6730 Use get_constant_section and get_constant_alignment.
6731 (force_const_mem): Create a block symbol if use_object_blocks_p and
6732 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6733 (output_constant_pool_1): Add an explicit alignment argument.
6734 Don't switch sections here.
6735 (output_constant_pool): Adjust call to output_constant_pool_1.
6736 Switch sections here instead. Don't output anything for block symbols;
6737 just pass them to place_block_symbol.
6738 (init_varasm_once): Initialize object_block_htab.
6739 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6740 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6741 (place_block_symbol, get_section_anchor, output_object_block)
6742 (output_object_block_htab, output_object_blocks): New functions.
6743 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6744 (TARGET_ASM_OUT): Include it.
6745 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6746 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6747 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6748 (TARGET_INITIALIZER): Include them.
6749 * rtl.c (rtl_check_failed_block_symbol): New function.
6750 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6751 (block_symbol, object_block): New structures.
6752 (rtx_def): Add a block_symbol field to the union.
6753 (BLOCK_SYMBOL_CHECK): New macro.
6754 (rtl_check_failed_block_symbol): Declare.
6755 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6756 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6757 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6758 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6759 * output.h (output_section_symbols): Declare.
6760 (object_block): Name structure.
6761 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6762 (default_use_anchors_for_symbol_p): Declare.
6763 * Makefile.in (RTL_BASE_H): Add vec.h.
6764 (explow.o): Depend on output.h.
6765 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6766 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6767 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6768 (rs6000_use_blocks_for_constant_p): New function.
6770 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6772 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6774 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6777 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6780 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6782 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6786 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6789 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6790 instead of DECL_REGISTER.
6792 2006-02-18 Olivier Hainque <hainque@adacore.com>
6795 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6797 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6800 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6801 * opth-gen.awk: Handle Var and InverseMask together.
6802 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6803 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6804 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6805 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6807 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6808 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6809 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6810 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6811 LINUX_DYNAMIC_LINKER): Define.
6812 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6813 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6815 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6816 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6817 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6818 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6819 (TARGET_C99_FUNCTIONS): Don't define.
6820 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6821 GLIBC_DYNAMIC_LINKER.
6822 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6823 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6824 GLIBC_DYNAMIC_LINKER64): Define.
6825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6826 LINUX_DYNAMIC_LINKER64.
6827 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6828 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6829 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6831 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6833 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6834 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6835 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6837 and LINUX_DYNAMIC_LINKER32.
6838 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6840 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6842 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6844 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6845 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6846 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6847 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6848 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6849 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6850 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6851 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6852 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6853 LINUX_DYNAMIC_LINKER): Define.
6854 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6855 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6856 GLIBC_DYNAMIC_LINKER64): Define.
6857 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6858 LINUX_DYNAMIC_LINKER64.
6859 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6860 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6861 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6862 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6863 LINUX_DYNAMIC_LINKER): Define.
6864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6865 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6866 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6867 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6868 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6869 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6870 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6871 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6872 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6873 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6875 * doc/invoke.texi (-muclibc): Remove caveat about supported
6878 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6880 * doc/cpp.texi (__TIMESTAMP__): Document.
6882 2006-02-17 Roger Sayle <roger@eyesopen.com>
6885 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6886 C is one less than the width of X (and related transformations).
6887 * simplify-rtx.c (simplify_unary_operation_1): Transform
6888 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6889 depending on STORE_FLAG_VALUE, were C is one less then the
6892 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6894 Fix PR tree-optimization/26341
6895 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6896 about NAME_MEMORY_TAG's.
6898 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6901 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6902 with hardware float support, and software float support. Add fcpy
6903 alternative to hardware patterns. Add alternatives to copy between
6904 general and floating-point registers to the 32-bit pattern.
6905 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6906 secondary reload to load a QI or HI mode constant into a floating
6908 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6909 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6911 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6914 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6916 (load_macho_picbase_di): Likewise.
6918 2006-02-16 Jeff Law <law@redhat.com>
6920 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6921 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6922 (ssa_name_nonzero_p): Likewise.
6923 (get_value_range): Return NULL if VRP is not running.
6924 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6925 VRP routines do not discover a range.
6926 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6927 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6928 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6929 (tree_expr_nonnegative_p): Similarly.
6930 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6931 (restore_nonzero_vars_to_original_value): Remove.
6932 (unsafe_associative_fp_binop): Remove.
6933 (tree_ssa_dominator_optimize): Remove initialization and
6934 finalization of nonzero_vars and nonzero_vars_stack.
6935 (dom_opt_initialize_block): No longer push marker on
6937 (dom_opt_finalize_block): No longer call
6938 restore_nonzero_vars_to_original_value.
6939 (record_equivalences_from_phis): No longer look for
6940 nonzero PHI arguments.
6941 (cprop_into_successor_phis): No longer propagate nonzero
6942 property into PHI arguments. Lose unused argument. Caller
6944 (record_equivalences_from_stmt): No longer record nonzero
6945 values for SSA_NAMEs.
6946 (lookup_avail_expr): No longer use nonzero_vars.
6948 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6949 for sizetype when sizetype is unsigned.
6951 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6953 PR rtl-optimization/25603
6954 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6955 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6956 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6957 with new meaning of SETS.
6959 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6964 * config/linux.opt: New file.
6965 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6966 LINUX_DYNAMIC_LINKER): Define.
6967 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6968 * config.gcc (*-*-linux*): Define extra_options.
6969 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6970 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6971 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6972 GLIBC_DYNAMIC_LINKER.
6973 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6974 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6975 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6976 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6977 * doc/invoke.texi (GNU/Linux Options): New section.
6979 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6981 * config/sparc/sparc.md (setjmp): Rewrite.
6982 (setjmp_32): Delete.
6983 (setjmp_64): Likewise.
6985 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6987 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6990 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6992 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6995 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6997 PR rtl-optimization/26296
6998 * Makefile.in (loop-invariant.c): Add except.h dependency.
6999 * loop-invariant.c: Include except.h.
7000 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7002 2005-02-16 Paul Brook <paul@codesourcery.com>
7004 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7007 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7009 PR rtl-optimization/25636
7010 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7011 when deciding whether an insn is an initializing insn.
7013 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7015 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7016 (tree_code_size): Ditto.
7017 * tree.h (struct tree_memory_tag): Remove parent_var.
7018 (struct tree_struct_field_tag): New.
7021 (union tree_node): Add sft member.
7022 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7024 (create_sft): Add size and offset argument, set SFT_OFFSET and
7026 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7027 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7028 * tree-flow-inline.h (get_subvar_at): Update for
7029 SFT_OFFSET/SFT_SIZE.
7030 (var_can_have_subvars): Ditto.
7031 (overlap_subvar): Ditto.
7032 * print-tree.c (print_node): Print out interesting things for
7034 * tree-flow.h (struct subvar): Remove offset and size members.
7035 * tree-ssa-operands.c (get_expr_operands): Update for
7036 get_indirect_ref_operands changes.
7037 (get_indirect_ref_operands): Call add_virtual_operand instead of
7038 add_stmt_operand. Only recurse on base var if requested.
7039 (access_can_touch_variable): New function.
7040 (add_stmt_operand): Split virtual operand handling into ...
7041 (add_virtual_operand): Here. Add offset, size, and for_clobber
7042 arguments. Prune alias sets.
7043 (add_call_clobber_ops): Call add_virtual_operand.
7045 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7048 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7050 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7051 than TREE_CODE as index into omp_clause_num_ops array.
7053 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7055 PR rtl-optimization/26184
7056 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7058 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7059 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7060 must_precede, must_follow and tobe_scheduled.
7063 * opts.c (common_handle_option): Free new_option pointer.
7064 * df-core.c (df_analyze): Free postorder pointer.
7066 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7068 * Makefile.in: Fix the examples about the use of stamps
7070 2006-02-15 Michael Matz <matz@suse.de>
7074 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7075 influenced by maximum_field_alignment or DECL_PACKED.
7076 (update_alignment_for_field): Ditto.
7077 (place_field): Ditto.
7078 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7081 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7083 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7084 (debug_flow_info): Pass it.
7085 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7086 * bb-reorder.c (reorder_basic_blocks): Likewise.
7087 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7088 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7089 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7090 * gcse.c (gcse_main, bypass_jumps): Likewise.
7091 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7092 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7093 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7094 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7095 * rtl.h (dump_flow_info): Adjust prototype.
7096 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7097 * var-tracking.c (variable_tracking_main): Likewise.
7098 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7099 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7102 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7104 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7107 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7109 PR tree-optimization/26209
7110 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7111 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7113 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7115 2006-02-14 Roger Sayle <roger@eyesopen.com>
7118 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7119 (X,Y) and the corresponding symmetry related transformations.
7120 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7121 (X,Y) and its symmetry related transformations.
7123 2006-02-14 Roger Sayle <roger@eyesopen.com>
7125 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7128 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7130 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7132 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7135 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7136 support COMDAT group.
7137 * configure: Regenerate.
7139 2006-02-14 Roger Sayle <roger@eyesopen.com>
7144 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7146 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7148 Fix PR tree-optimization/26260
7150 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7152 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7153 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7154 * tree-ssa-structalias.c (create_variable_info_for): Use
7155 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7157 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7159 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7161 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7162 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7163 of the ending condition.
7164 * tree-ssa-loop-manip.c: Include params.h.
7165 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7166 tree_unroll_loop): New functions.
7167 * tree-pass.h (pass_loop_prefetch): Declare.
7168 * loop.c (rest_of_handle_loop_optimize): Test for
7169 -fprefetch-loop-arrays-rtl.
7170 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7171 * timevar.def (TV_TREE_PREFETCH): New timevar.
7172 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7173 pass_loop_prefetch): New.
7174 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7175 (cleanup_tree_cfg_loop): Call scev_reset.
7176 * common.opt (fprefetch-loop-arrays-rtl): Add.
7177 * tree-ssa-loop-prefetch.c: New file.
7178 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7179 (new_temp_expr_table): Initialize expr_vars.
7180 (free_temp_expr_table): Cleanup expr_vars.
7181 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7182 expressions from being merged into one.
7183 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7184 (struct tree_niter_desc): Add control, bound and cmp fields.
7185 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7187 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7188 (tree-cfgcleanup.o): Add SCEV_H dependency.
7189 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7190 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7192 2006-02-14 Richard Guenther <rguenther@suse.de>
7194 PR tree-optimization/26258
7195 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7196 in PHI argument processing.
7198 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7200 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7201 new expression in the requested machine mode.
7203 2006-02-13 Roger Sayle <roger@eyesopen.com>
7205 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7206 directly, instead let do_compare_rtx_and_jump handle this for us.
7207 * expr.c (expand_expr_real_1): Likewise.
7208 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7209 before do_jump_by_parts_greater.
7210 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7211 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7213 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7215 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7217 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7219 PR rtl-optimization/26235
7220 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7221 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7224 2006-02-13 Jeff Law <law@redhat.com>
7226 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7229 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7232 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7233 twice if decl is a builtin. When trying again, call get_callee_fndecl
7234 first to verify it is still a builtin.
7236 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7238 * dwarf2out.c (base_type_die): Don't add AT_name here.
7239 (subrange_type_die): Don't add AT_name here.
7240 (modified_type_die): Rearrange code flow. Do add AT_name here.
7242 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7244 PR rtl-optimization/26247
7245 PR rtl-optimization/26248
7246 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7248 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7250 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7251 * config/fixtfdi.c: Likewise.
7252 * config/fixunstfdi.c: Likewise.
7253 * config/floatditf.c: Likewise.
7255 2006-02-13 Roger Sayle <roger@eyesopen.com>
7258 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7259 into (X,C2) if C1 is a subset of the bits of C2. Transform
7260 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7262 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7264 2006-02-13 Josh Conner <jconner@apple.com>
7267 * varasm.c (function_section): Check for section name before
7268 calling select_section on targets that define
7269 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7270 unlikely_text_section instead of hot_function_section if
7271 first_function_block_is_cold.
7273 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7276 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7278 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7280 PR rtl-optimization/26222
7281 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7282 after tree->rtl expansion.
7283 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7284 before passing it to emit_move_insn.
7286 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7288 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7290 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7291 Clarify documentation.
7292 * c-common.h (warn_write_strings): Remove.
7293 * c-common.c (warn_write_strings): Likewise.
7294 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7297 2006-02-12 Roger Sayle <roger@eyesopen.com>
7300 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7301 (do_jump_parts_zero_rtx): New function renamed from
7302 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7303 (do_jump_parts_equality_rtx): New function split out from
7304 do_jump_parts_equality. Old implementation renamed as above.
7305 Call do_jump_parts_zero_rtx if either operand is zero.
7306 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7307 do all of the heavy lifting.
7308 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7309 calling either do_jump_by_parts_greater_rtx or
7310 do_jump_by_parts_equality_rtx.
7311 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7312 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7313 moved to do_compare_rtx_and_jump, call it directly.
7314 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7315 mode argument. Call do_compare_rtx_and_jump.
7316 (emit_case_nodes): Update calls to do_jump_if_equal.
7318 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7320 PR rtl-optimization/26225
7321 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7323 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7325 PR rtl-optimization/26232
7326 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7328 2006-02-11 Jason Merrill <jason@redhat.com>
7331 * tree-inline.c (declare_return_variable): Just don't use the
7332 modify target if it's a gimple complex reg and the return slot
7335 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7337 * doc/contrib.texi: Update my entry.
7339 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7341 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7343 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7345 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7348 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7350 * doc/invoke.texi (-floop-optimize2): Removed.
7351 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7352 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7353 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7354 * common.opt (floop-optimize2): Removed.
7355 (fmove-loop-invariants): Enabled by default.
7357 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7359 * tree-if-conv.c (combine_blocks): Free the result of
7360 get_loop_exit_edges.
7362 2006-02-10 Jeff Law <law@redhat.com>
7364 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7366 PR tree-optimization/26213
7367 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7368 loop trying to follow SSA_NAME_VALUE chains.
7370 2006-02-10 Richard Guenther <rguenther@suse.de>
7372 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7373 deal with structures that end in implicitly variable sized arrays.
7375 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7377 PR rtl-optimization/24762
7378 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7381 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7383 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7384 (struct ivopts_data): Add regs_used field.
7385 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7386 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7387 instead of loop_data->regs_used;
7388 (free_loop_data): Do not free aux fields for loops.
7389 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7390 and tree_ssa_iv_optimize_finalize.
7392 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7394 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7396 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7399 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7400 computing the effective result type.
7402 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7405 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7406 (tree_overlaps_hard_reg_set): Declare.
7407 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7408 type and signature to match function type expected by walk_tree.
7409 (tree_overlaps_hard_reg_set): New function.
7410 (decl_conflicts_with_clobbers_p): Rename to:
7411 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7412 Use tree_overlaps_hard_reg_set. Changed caller.
7413 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7414 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7415 * cris.c (cris_md_asm_clobbers): Likewise.
7417 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7419 * reload1.c (emit_input_reload_insns): Delete code that tries to
7420 inherit using find_equiv_reg.
7422 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7424 * c-common.h (flag_const_strings): Don't declare.
7425 * c-common.c (flag_const_strings): Remove.
7426 * c.opt (fconst_strings): Remove.
7427 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7428 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7429 (c_common_init_options): Don't set flag_const_strings.
7430 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7432 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7434 * arm.md (tlobits_cbranch): New pattern.
7435 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7436 testing a single bit.
7438 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7441 * tree-ssa-pre.c (create_component_ref_by_pieces):
7442 Handle RETURN_DECL like VAR_DECL.
7444 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7447 * fold-const.c (fold_indirect_ref_1): Fold
7448 "*(foo *)&complexfoo" to "__real__ complexfoo"
7449 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7451 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7453 * tree-flow-inline.h (var_can_have_subvars):
7454 Volatile variables should not have subvariables.
7456 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7459 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7460 multiplying unsigned values.
7463 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7465 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7467 2006-02-08 Jason Merrill <jason@redhat.com>
7470 * tree.def: Elaborate on difference from MODIFY_EXPR.
7471 * doc/c-tree.texi (INIT_EXPR): Likewise.
7472 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7473 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7474 (gimplify_target_expr): Likewise.
7475 (gimplify_cond_expr): Remove target handling.
7476 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7477 (gimplify_expr): Clobber it here.
7478 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7479 Do return slot optimization if we have an INIT_EXPR.
7482 * tree-inline.c (declare_return_variable): Also clear
7483 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7486 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7489 * gimplify.c (gimplify_one_sizepos): Fix typo.
7491 2006-02-08 Jeff Law <law@redhat.com>
7493 PR tree-optimization/21417
7494 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7495 across a backedge if the control statement at the end of the
7496 block is data dependent on other statements in the same block.
7497 (record_temporary_equivalences_from_stmts): Remove over-conservative
7498 test for threading across backedges.
7500 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7501 control statement, handle all three special cases in the same
7502 manner as they all have the same desired solution. No longer
7503 special case edge flag updating when the post dominator is
7506 2006-02-08 Roger Sayle <roger@eyesopen.com>
7508 * tree.def (CHAR_TYPE): Remove.
7509 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7510 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7511 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7512 (gen_string_type_die): Delete unreachable function.
7514 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7515 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7516 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7517 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7518 * builtins.c (type_to_class): Likewise.
7519 * fold-const.c (fold_convert, build_range_check,
7520 merge_ranges): Likewise.
7521 * expr.c (count_type_elements): Likewise.
7522 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7523 * stor-layout.c (layout_type): Likewise.
7524 * ipa-type-escape.c (type_to_consider): Likewise.
7525 * gimplify.c (omp_firstprivatize_type_sizes,
7526 gimplify_type_sizes): Likewise.
7527 * explow.c (promote_mode): Likewise.
7528 * tree-sra.c (is_sra_scalar_type): Likewise.
7529 * varasm.c (output_constant): Likewise.
7530 * tree-inline.c (remap_type_1): Likewise.
7531 * convert.c (convert_to_pointer, convert_to_real,
7532 convert_to_integer, convert_to_complex): Likewise.
7534 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7536 * df-scan.c (df_def_record_1): A set destination may
7537 be a parallel regardless of mode.
7539 2006-02-08 Roger Sayle <roger@eyesopen.com>
7542 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7543 * config/mips/_tilib.c: Remove.
7544 * config/fixtfdi.c: New libgcc source file.
7545 * config/fixunstfdi.c: New source file.
7546 * config/floatditf.c: New source file.
7547 * config/floatunditf.c: New souce file.
7548 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7549 files above instead of config/mips/_tilib.c.
7550 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7552 2006-02-08 Jeff Law <law@redhat.com>
7554 PR tree-optimization/26169
7555 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7558 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7560 * df.h (DF_REG_SIZE): Return the length of the initialized
7563 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7565 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7566 __muldf3): Return a correctly signed zero.
7568 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7570 * passes.c (register_one_dump_file): Accept the current properties
7571 instead of pass number. Adjust call to dump_register. Remove
7573 (register_dump_files): Now a wrapper around...
7574 (register_dump_files_1): ... this one. Do not modify the pass
7576 (next_pass_1): Cosmetic fix.
7577 (execute_todo): Keep second parameter only. Use curr_properties
7578 instead of fetching it from the pass structure. Check and set
7580 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7581 instead of fetching it from the pass structure. Fix calls to
7582 execute_todo. Update curr_properties and initialize .vcg RTL dump
7583 after running the pass. Reset last_verified.
7584 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7586 (FIRST_AUTO_NUMBERED_DUMP): New.
7587 (dump_register): Remove "num" parameter, assign it within the
7589 (get_dump_file_name): Modify template for dumps.
7590 * tree-dump.h (dump_register): Adjust prototype.
7591 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7592 (PROP_trees): Add PROP_gimple_lomp.
7593 (TODO_set_props): New.
7594 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7595 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7596 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7598 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7600 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7601 (sparc64-*-linux*): Likewise.
7602 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7603 * config/sparc/t-linux: New file.
7604 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7605 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7606 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7607 -m32 -mlong-double-128.
7609 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7610 * config/alpha/t-linux: New file.
7611 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7613 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7614 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7615 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7616 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7617 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7618 (CPP_ARCH32_SPEC): Remove.
7620 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7622 PR tree-optimization/26145
7623 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7626 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7629 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7630 >= 240000 when generating code for SOM runtime.
7631 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7632 to $$dyncall when generating code for SOM runtime..
7634 2006-02-07 Dirk Mueller <dmueller@suse.com>
7637 * doc/invoke.texi (-Wsequence-point): Update documentation
7638 that -Wsequence-point is implemented for C++ as well.
7640 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7642 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7643 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7644 (LIB_SPEC): Likewise.
7645 * doc/invoke.texi (SPARC options): Document -pthread.
7647 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7649 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7652 2006-02-07 Roger Sayle <roger@eyesopen.com>
7654 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7655 Correct comment describing BOOLEAN_TYPE.
7657 2006-02-07 Dirk Mueller <dmueller@suse.com>
7659 * c.opt: C++ frontend supports -Wdiv-by-zero.
7660 * c-opts.c (c_common_handle_option): Remove dead case.
7662 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7664 * configure.ac (TLS assembler check): Do not enable TLS by
7665 default on SPARC/Solaris before version 10.
7666 * configure: Regenerate.
7668 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7670 * doc/invoke.texi (xl-compat): Document conversion and support
7673 2006-02-07 Jeff Law <law@redhat.com>
7675 * tree-vrp.c (find_conditional_asserts): Update comments.
7676 (simplify_stmt_for_jump_threading): New.
7677 (identify_jump_threads, finalize_jump_threads): New.
7678 (vrp_finalize): Call identify_jump_threads.
7679 (execute_vrp): Call finalize_jump_threads.
7680 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7681 (vrp_element, vrp_data, vrp_element_p): Remove.
7682 (vrp_hash_elt, vrp_variables_stack): Remove.
7683 (vrp_hash, vrp_eq, record_range): Remove.
7684 (simplify_cond_and_lookup_avail_expr): Remove.
7685 (extract_range_from_cond): Remove.
7686 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7687 (simplify_stmt_for_jump_threading): New.
7688 (dom_thread_across_edge): New wrapper.
7689 (tree_ssa_dominator_optimize): No longer initialize or
7690 finalize any of the VRP datastructures. Remove iteration
7691 step and simplify as a result of removal of iteration step.
7692 (pass_dominator): Perform a cfg cleanup after DOM.
7693 (dom_opt_finalize_block): Use the new common routines
7694 for threading jumps. Simplify stack management slightly.
7695 No longer need to unwind VRP state.
7696 (record_equivalences_from_incoming_edge): No longer record
7698 (eliminate_redundant_computations): No longer call
7699 simplify_cond_and_lookup_avail_expr.
7700 * tree-flow.h (potentially_threadable_block): Prototype.
7701 (thread_across_edge): Likewise.
7702 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7703 (tree-ssa-threadedge.o): Add dependencies.
7704 * tree-ssa-threadedge.c: New file.
7705 * passes.c (init_optimization_passes): Merge PHIs before
7706 calling VRP. Run VRP again late in the SSA optimization pipeline.
7708 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7710 * df-core.c (df_set_blocks): Do not dereference function pointers.
7711 (df_finish1): Likewise.
7712 (df_hybrid_search_forward): Likewise.
7713 (df_hybrid_search_backward): Likewise.
7714 (df_iterative_dataflow): Likewise.
7715 (df_analyze_problem): Likewise.
7716 (df_compact_blocks): Likewise.
7717 (df_dump): Likewise.
7718 * df-scan.c (df_rescan_blocks): Likewise.
7719 (df_record_entry_block_defs): Likewise.
7721 * genconditions.c (write_conditions): Guard the definition of
7722 'insn_conditions' with the check on GCC version.
7723 (write_writer): Guard the traversal 'insn_conditions' with
7724 the check on GCC version.
7726 2006-02-07 Richard Guenther <rguenther@suse.de>
7730 2006-01-30 Richard Guenther <rguenther@suse.de>
7732 * gimplify.c (gimplify_target_expr): Handle easy cases
7733 without creating a temporary.
7735 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7737 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7738 use of float in probability computations. Use edge probabilities
7739 in place of statically computed probabilities.
7740 (min_spec_prob): New static variable.
7741 (schedule_insns): Initialize it.
7742 (GET_SRC_PROB): Removed.
7743 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7745 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7748 * config/ia64/unwind-ia64.c: Revert last change.
7749 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7750 (INCOMING_FRAME_SP_OFFSET): Define.
7752 2006-02-06 Roger Sayle <roger@eyesopen.com>
7754 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7756 2006-02-07 Ben Elliston <bje@au.ibm.com>
7758 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7759 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7760 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7761 (ix86_return_in_memory): Handle TDmode.
7762 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7763 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7765 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7767 * reorg.c (dbr_schedule): Use dump_file instead of file.
7769 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7772 * config/ia64/predicates.md (extr_len_operand): New predicate.
7773 * config/ia64/ia64.md (extv): Tighten constraints.
7775 (*tbit_and_2): Ditto.
7776 (*tbit_and_3): Ditto.
7777 (*tbit_or_2): Ditto.
7778 (*tbit_or_3): Ditto.
7782 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7785 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7787 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7789 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7790 loop_optimizer_init and loop_optimizer_finalize
7791 * tree-ssa-sink.c (execute_sink_code): Ditto.
7792 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7793 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7794 tree_ssa_loop_done): Ditto.
7795 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7796 * sched-ebb.c: Include output.h.
7797 (schedule_ebbs): Do not use dump argument.
7798 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7799 * loop.c (loop_dump_stream): Removed.
7800 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7802 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7803 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7804 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7805 loop_iterations, strength_reduce, record_biv, record_giv,
7806 final_giv_value, check_final_value, check_ext_dependent_givs,
7807 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7808 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7809 dump_file instead of loop_dump_stream.
7810 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7812 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7814 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7815 * haifa-sched.c: Include output.h
7816 (schedule_insns, sched_init): Do not use dump argument.
7817 * mode-switching.c (optimize_mode_switching): Ditto.
7818 * modulo-sched.c (stats_file): Removed.
7819 (print_node_sched_params): Do not call argument dump_file.
7820 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7821 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7823 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7825 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7826 rtl_loop_init, rtl_loop_done): Ditto.
7827 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7828 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7830 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7831 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7832 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7833 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7834 * emit-rtl.c (renumber_insns): Ditto.
7835 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7836 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7837 * regclass.c (regclass): Ditto.
7838 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7839 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7840 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7841 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7843 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7844 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7846 * gcse.c (gcse_file, debug_stderr): Removed.
7847 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7848 rest_of_handle_gcse): Do not use dump argument.
7849 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7850 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7851 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7852 compute_code_hoist_vbeinout, compute_code_hoist_data,
7853 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7854 compute_store_table, build_store_vectors, insert_insn_start_bb,
7855 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7856 store_motion): Use dump_file instead of gcse_file.
7857 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7858 * profile.c (profile_dump_file): Removed.
7859 (branch_prob): Use dump_file instead of profile_dump_file.
7860 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7862 * tree-ssa-copy.c (dump_copy_of): Ditto.
7863 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7864 dump file to life_analysis.
7865 * bt-load.c (branch_target_load_optimize): Ditto.
7866 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7868 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7869 regclass, dbr_schedule): Declaration changed.
7870 * sched-int.h (sched_init): Declaration changed.
7871 * tree-profile.c (tree_profile_dump_file): Removed.
7872 (tree_profile_hooks): Removed profile_dump_file hook.
7873 * rtl-profile (rtl_profile_dump_file): Removed.
7874 (rtl_profile_hooks): emoved profile_dump_file hook.
7875 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7877 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7878 * tree-cfg.c (build_tree_cfg): Ditto.
7879 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7880 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7881 Declaration changed.
7882 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7883 life_analysis and schedule_insns.
7884 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7886 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7888 * config/mips/mips.c (mips_reorg): Ditto.
7889 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7892 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7894 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7895 (s390_mangle_fundamental_type): New.
7896 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7899 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7900 (alpha_mangle_fundamental_type): New.
7901 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7904 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7906 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7908 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7909 (sparc_mangle_fundamental_type): New.
7911 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7913 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7914 (s390x-*-linux*): Likewise.
7915 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7916 * config/s390/t-linux: New file.
7918 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7920 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7921 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7923 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7925 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7926 (ANTIC_SAFE_LOADS): New macro.
7927 (find_or_generate_expression): Add prototype.
7928 (set_contains_value): Allow null set for sake of not always having
7929 to allocate ANTIC_SAFE_LOADS.
7930 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7931 Allow COMPONENT_REF too.
7932 (valid_in_set): Allow COMPONENT_REF.
7933 Check ANTIC_SAFE_LOADS too.
7934 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7935 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7937 (can_PRE_operation): Add COMPONENT_REF.
7938 (create_component_ref_by_pieces): New function.
7939 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7940 (insert_aux): Move AGGREGATE_TYPE_P check here.
7941 (compute_avail): Set bb local stmt uids.
7942 (pass_pre): Use TODO_update_ssa_only_virtuals.
7944 2006-02-06 Ben Elliston <bje@au.ibm.com>
7946 * configure.ac: Unconditionally disable decimal float by default.
7947 * configure: Regenerate.
7949 2006-02-06 Ben Elliston <bje@au.ibm.com>
7951 * read-rtl.c (read_name): Terminate reading on EOF.
7953 2006-02-06 Ben Elliston <bje@au.ibm.com>
7955 * dfp.c (decimal_real_arithmetic): Change second argument type
7956 from int to enum tree_code. Do not always return true, but now
7957 return result of any call to decimal_do helper functions.
7958 * dfp.h (decimal_real_arithmetic): Update prototype.
7960 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7962 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7964 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7967 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7970 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7972 * tree-vrp.c (cfg_loops): Removed.
7973 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7974 Use current_loops instead of cfg_loops. Pass flags to
7975 loop_optimizer_init.
7976 * cfgloopmanip.c (fix_loop_structure): Update only available
7978 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7979 loop_optimizer_init.
7980 * modulo-sched.c (build_loops_structure): Removed.
7981 (sms_schedule): Use loop_optimizer_init.
7982 * loop-init.c (loop_optimizer_init): Use flags to determine
7983 which properties of loops to prepare.
7984 (rtl_loop_init): Pass flags to loop_optimizer_init.
7985 * tree-ssa-sink.c (execute_sink_code): Ditto.
7986 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7987 * tree-ssa-pre.c (init_pre): Ditto.
7988 * cfgloop.h (LOOPS_NORMAL): New.
7989 (loop_optimizer_init): Declaration changed.
7991 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7993 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7994 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7996 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7998 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8000 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8001 * pa/t-pa64: Delete quadlib.c rule.
8002 * pa/x-ada: Revert last change.
8003 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8005 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8007 PR rtl-optimization/26087
8008 * rtlanal.c (canonicalize_condition): Do not cross basic block
8011 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8014 * config/ia64/ia64.c: Include debug.h.
8015 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8016 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8017 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8018 (process_epilogue, process_set, process_for_unwind_directive):
8019 Output unwind info only if requested. Add CFA info if requested.
8020 Add new arguments as needed. Adjust callers.
8021 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8023 (DWARF2_FRAME_INFO): Define to zero.
8024 * config/ia64/unwind-ia64.c: Remove code that compensated for
8025 the CFA offset error fixed above.
8026 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8027 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8028 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8029 -funwind-tables and -fexceptions to enable frame info.
8030 (dwarf2out_frame_init): Define initial CFA even if
8031 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8032 DWARF2_UNWIND_INFO is nonzero, not just defined.
8033 (dwarf2out_frame_finish): Output non-EH call frame info only
8034 if DWARF2_FRAME_INFO is nonzero.
8035 (convert_cfa_to_loc_list,
8036 compute_frame_pointer_to_cfa_displacement): Define even if
8037 unwind info is not supported.
8038 (gen_subprogram_die): Use the above unconditionally. Remove
8039 legacy alternate code.
8040 * toplev.c (compile_file): Compile in call to
8041 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8042 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8044 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8045 Jakub Jelinek <jakub@redhat.com>
8047 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8048 IBM extended float format long double as "g" on powerpc*-linux.
8050 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8053 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8054 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8056 2006-02-03 Jason Merrill <jason@redhat.com>
8059 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8062 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8063 on the return slot if it's an NRV.
8065 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8067 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8068 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8069 rewrite_use): Do not handle USE_OUTER.
8070 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8071 add_iv_outer_candidates, may_replace_final_value,
8072 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8073 (find_interesting_uses_op): Functionality of
8074 find_interesting_uses_outer_or_nonlin moved here.
8075 (find_interesting_uses_outside): Use find_interesting_uses_op.
8077 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8080 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8082 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8083 Ulrich Weigand <uweigand@de.ibm.com>
8086 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8087 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8088 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8089 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8091 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8092 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8093 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8094 Define secondary reloads for TFmode moves.
8095 (constant_modes): Add TFmode.
8096 (NR_C_MODES): Set to 8.
8097 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8099 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8100 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8101 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8102 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8103 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8104 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8105 (FPR mode macro): Add TFmode.
8106 (DSF mode macro): New.
8107 (<de>, <dee> mode attributes): Removed.
8108 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8109 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8110 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8111 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8112 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8113 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8114 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8115 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8116 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8117 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8118 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8119 "*negabs<mode>2", "sqrt<mode>2"):
8120 Changed <de> to <xde>. R constraint replaced by <Rf>.
8121 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8123 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8124 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8125 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8127 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8128 "extenddftf2", "extendsftf2"): New expanders.
8129 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8130 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8131 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8132 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8134 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8135 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8136 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8137 __floatditf): Add a GCC_4.1.0 symbol version tag.
8138 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8141 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8144 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8145 Use targetm.binds_local_p instead of TREE_PUBLIC.
8147 2006-02-02 Roger Sayle <roger@eyesopen.com>
8149 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8150 on INTEGER_TYPEs to indicate that it denotes a character type.
8151 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8152 signed_char_type_node, unsigned_char_type_node and char_type_node.
8153 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8154 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8155 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8157 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8158 Daniel Berlin <dberlin@dberlin.org>
8160 * tree-tailcall.c (arg_needs_copy_p): New function.
8161 (eliminate_tail_call): Use arg_needs_copy_p.
8162 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8163 (add_virtual_phis): New function.
8165 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8167 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8168 #ignore instead of #scratch for %g7 .register directive.
8170 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8172 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8175 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8177 * flow.c (calculate_global_regs_live): Assert that there aren't any
8180 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8182 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8184 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8185 bsi_after_labels iterator.
8186 * tree-if-conv.c (find_phi_replacement_condition,
8187 replace_phi_with_cond_modify_expr): Likewise.
8188 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8189 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8191 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8193 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8195 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8198 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8199 array after growing it.
8201 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8204 * fold-const.c (fold_checksum_tree): Change type of buf.
8206 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8208 * reload.c (push_secondary_reload): Initialize t_icode.
8210 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8212 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8213 -msoft-float -mlong-double-128 only issue a warning, but don't
8214 swich to DFmode long double.
8216 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8218 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8219 has a constant equivalent, iterate over equivalents for arg0,
8220 calling simplify_relational_operation and if there's a result
8221 cheaper than X, apply fold_rtx and return the result.
8223 2006-02-01 Jan Hubicka <jh@suse.cz>
8225 * opts.c (no_unit_at_a_time_default): New global variable.
8226 (decode_options): Use it.
8227 * opts.h (no_unit_at_a_time_default): Declare.
8229 2006-02-01 Paul Brook <paul@codesourcery.com>
8231 * function.c (assign_parm_setup_reg): Use function argument promotion
8233 * expr.c (expand_expr_real_1): Use function argument promotion rules
8236 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8238 * gcc.c (process_command): Change j to 'unsigned int'.
8240 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8243 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8244 Use the corrected index for the character
8245 out of the string constant.
8247 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8249 * mode-switching.c (optimize_mode_switching): Fix size
8250 allocated for bb_info[n_entities].
8252 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8254 * gcc.c (main): Correct type that is allocated for
8255 explicit_link_files.
8257 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8259 * config/s390/s390.c (init_alignment_context): Set
8260 ALIAS_SET_MEMORY_BARRIER on the MEM.
8261 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8263 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8266 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8268 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8271 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8273 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8274 * regrename.c: Ditto.
8275 * tree-ssa-loop-im.c: Ditto.
8276 * tree-dump.c: Ditto.
8277 * tree-complex.c: Ditto.
8278 * genrecog.c: Ditto.
8279 * tree-ssa-threadupdate.c: Ditto.
8281 * java/class.c: Ditto.
8282 * java/jcf-parse.c: Ditto.
8283 * java/resource.c: Ditto.
8284 * java/except.c: Ditto.
8285 * java/jvspec.c: Ditto.
8286 * java/jcf-write.c: Ditto.
8287 * java/jcf-path.c: Ditto.
8288 * java/gjavah.c: Ditto.
8289 * java/zextract.c: Ditto.
8290 * java/jcf-io.c: Ditto.
8291 * java/jcf.h: Ditto.
8292 * java/buffer.c: Ditto.
8293 * java/lang.c: Ditto.
8294 * java/parse-scan.y: Ditto.
8295 * java/lex.c: Ditto.
8296 * java/lex.h: Ditto.
8297 * cfgloopmanip.c: Ditto.
8298 * postreload-gcse.c: Ditto.
8299 * tree-ssa-loop-manip.c: Ditto.
8300 * postreload.c: Ditto.
8301 * tree-ssa-loop-ch.c: Ditto.
8305 * diagnostic.c: Ditto.
8307 * genoutput.c: Ditto.
8309 * cfghooks.c: Ditto.
8310 * cfgloopanal.c: Ditto.
8311 * objc/objc-act.c: Ditto.
8313 * genextract.c: Ditto.
8314 * genautomata.c: Ditto.
8315 * pretty-print.c: Ditto.
8317 * cgraphunit.c: Ditto.
8320 * haifa-sched.c: Ditto.
8321 * dominance.c: Ditto.
8323 * tree-ssa-loop-ivopts.c: Ditto.
8325 * mode-switching.c: Ditto.
8326 * modulo-sched.c: Ditto.
8328 * ipa-pure-const.c: Ditto.
8330 * fix-header.c: Ditto.
8332 * tree-stdarg.c: Ditto.
8333 * ipa-utils.c: Ditto.
8334 * loop-init.c: Ditto.
8335 * ipa-inline.c: Ditto.
8338 * alloc-pool.c: Ditto.
8339 * dwarf2out.c: Ditto.
8341 * genattrtab.c: Ditto.
8342 * tree-ssa-loop-ivcanon.c: Ditto.
8346 * fortran/gfortranspec.c: Ditto.
8348 * local-alloc.c: Ditto.
8349 * langhooks.c: Ditto.
8350 * function.c: Ditto.
8351 * tree-vectorizer.c: Ditto.
8353 * ipa-type-escape.c: Ditto.
8355 * tree-if-conv.c: Ditto.
8358 * tree-data-ref.c: Ditto.
8359 * loop-unroll.c: Ditto.
8360 * treelang/treetree.c: Ditto.
8363 * ggc-common.c: Ditto.
8365 * coverage.c: Ditto.
8367 * tree-cfgcleanup.c: Ditto.
8368 * tree-ssa-pre.c: Ditto.
8369 * cfgcleanup.c: Ditto.
8370 * loop-invariant.c: Ditto.
8372 * ipa-prop.c: Ditto.
8373 * print-tree.c: Ditto.
8374 * conflict.c: Ditto.
8375 * ggc-page.c: Ditto.
8376 * sched-deps.c: Ditto.
8377 * regclass.c: Ditto.
8378 * tree-object-size.c: Ditto.
8380 * bb-reorder.c: Ditto.
8381 * resource.c: Ditto.
8382 * var-tracking.c: Ditto.
8384 * df-problems.c: Ditto.
8385 * reg-stack.c: Ditto.
8388 * sched-rgn.c: Ditto.
8389 * tree-ssa-structalias.c: Ditto.
8390 * tree-ssa-reassoc.c: Ditto.
8391 * config/darwin-c.c: Ditto.
8392 * config/darwin.c: Ditto.
8393 * config/arm/arm.c: Ditto.
8395 * collect2.c: Ditto.
8398 2006-01-31 Nicolas Pitre <nico@cam.org>
8400 * arm.md (smaxsi3): Make aware of smax_m1.
8403 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8405 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8407 2006-01-31 Richard Guenther <rguenther@suse.de>
8409 * doc/invoke.texi (-msselibm): Document.
8410 * target.h (expand_library_builtin): New target hook.
8411 * builtins.c (expand_builtin): Use expand_library_builtin.
8412 (default_expand_library_builtin): New function.
8413 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8414 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8415 (link_gcc_math_spec): Declare.
8416 (static_specs): Add link_gcc_math_spec.
8417 * expr.h (default_expand_library_builtin): Declare.
8418 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8419 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8420 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8421 * config/i386/i386.opt (msselibm): New target option.
8422 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8423 (ix86_init_sse_abi_builtins): New function.
8424 (ix86_expand_library_builtin): Likewise.
8425 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8426 (override_options): Handle error conditions wrt -msselibm.
8427 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8428 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8429 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8432 2006-01-31 Richard Guenther <rguenther@suse.de>
8433 Paolo Bonzini <bonzini@gnu.org>
8435 * doc/install.texi (--disable-libgcc-math): Document.
8437 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8439 * expr.h (expand_normal): new inline function.
8440 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8442 * dwarf2out.c: use it.
8447 * config/sparc/sparc.c: use it.
8448 * config/i386/i386.c: use it.
8449 * config/rs6000/rs6000.c: use it.
8450 * config/arm/arm.c: use it.
8451 * config/mips/mips.c: use it.
8452 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8454 2006-01-30 Roger Sayle <roger@eyesopen.com>
8456 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8457 argv to the appropriate type.
8459 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8461 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8464 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8467 * config/s390/s390.c (struct machine_function): New flag
8468 decomposed_literal_pool_addresses_ok_p.
8469 (s390_reorg): Set it before final stage of literal pool transforms.
8470 (s390_decompose_address): Only accept displacements of the form
8471 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8473 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8475 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8476 the comparison routine return.
8478 2006-01-30 Michael Matz <matz@suse.de>
8480 * global.c (find_reg): Only evict for global regs.
8481 Take n_refs into account and dump more info.
8483 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8486 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8487 (pragma_trap, pragma_nosave_low_regs): Likewise.
8488 (current_function_anonymous_args): Likewise.
8489 (sh_deferred_function_attributes): New variable.
8490 (sh_deferred_function_attributes_tail): Likewise.
8491 (print_operand): For '@', look up trap_exit attribute.
8492 (calc_live_regs): Look up trapa_handler attribute. For trapa
8493 handlers, save/restore fpscr, but don't do any other
8494 interrupt-specific saves.
8495 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8496 Fix check for partially saved registers to check for SHmedia.
8497 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8498 (sh_output_function_epilogue): Don't clear any of the removed
8500 (sh_insert_attributes): Don't check pragma_interrupt.
8501 Insert deferred attributes. Check that interrupt attribute is
8502 present for other attributes that require its presence.
8503 (sh_attribute_table): Add new attributes trapa_handler and
8505 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8506 Don't check for pragma_interrupt. Don't store argument.
8507 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8508 (sh_deferred_function_attributes): Declare.
8509 (sh_deferred_function_attributes_tail): Likewise.
8510 * sh.md (sp_switch_1): Add operand. Change generator caller.
8511 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8512 (*return_i): Don't use when trap_exit attribute is in effect.
8513 (*return_trapa): New insn pattern.
8515 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8516 setting c_target_objs and cxx_target_objs.
8517 * t-sh: Add rule for sh-c.o.
8519 2006-01-30 Richard Guenther <rguenther@suse.de>
8522 * gimplify.c (gimplify_target_expr): Handle easy cases
8523 without creating a temporary.
8525 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8527 * vec.h (safe_grow): Remove duplicated line.
8529 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8532 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8533 (expand_omp): ... here.
8534 (expand_omp_parallel): Only remove barriers for combined
8535 parallel+workshare constructs.
8537 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8541 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8542 * tree.c (build_qualified_type): Chain the new type to the original
8543 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8544 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8545 (build_pointer_type_for_mode): Only return unqualified types.
8546 (build_reference_type_for_mode): Likewise.
8548 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8550 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8551 * Makefile.in (CXX_COMPAT_WARN): Define.
8552 * configure: Regenerate.
8554 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8557 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8560 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8562 * toplev.c: Fix thinko.
8564 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8565 Marcin Dalecki <martin@dalecki.de>
8567 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8568 (push_srcloc): Use XNEW.
8569 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8571 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8573 * df-core.c (df_set_blocks): Deleted all variable.
8575 2006-01-28 Ian Lance Taylor <ian@airs.com>
8577 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8578 cgraph_output_pending_asms.
8580 2006-01-28 Zack Weinberg <zackw@panix.com>
8582 * c.opt: Add -W(no-)overlength-strings.
8583 * doc/invoke.texi: Document it.
8584 * c-opts.c (c_common_handle_option): -pedantic implies
8585 -Woverlength-strings, if not explicitly disabled already.
8586 (c_common_post_options): -Woverlength-strings defaults to off, and
8587 is always off for C++.
8588 * c-common.c (fix_string_type): Issue warning about strings longer
8589 than is portable only if warn_overlength_strings. Rearrange code
8590 a little for clarity.
8591 * configure.in: Check for -Wno-overlength-strings as well before
8592 enabling -pedantic in stage 1.
8593 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8594 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8596 * genconditions.c (write_header, write_one_condition)
8597 (write_conditions, write_writer): Consolidate very long strings
8598 that were broken up to fit in C89 portable limit. Don't use
8599 printf when fputs will do.
8601 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8603 * combine.c (simplify_comparison <AND>): Check
8604 TRULY_NOOP_TRUNCATION before start using a subreg.
8606 * config/mips/mips.md (*branch_zero<mode>,
8607 *branch_zero<mode>_inverted, *branch_equality<mode>,
8608 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8609 Remove mode check from comparisons.
8611 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8613 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8615 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8617 * expmed.c (const_mult_add_overflow_p): Remove.
8618 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8620 * recog.c (validate_replace_rtx_subexp): Remove.
8621 * recog.h: Remove the prototype for
8622 validate_replace_rtx_subexp.
8624 * integrate.h: Remove the prototype for
8625 copy_decl_for_inlining.
8626 * rtl.h: Remove the prototype for mark_constant_function.
8627 * tree-vectorizer.h: Remove the prototype for
8628 vect_strip_conversion.
8630 * modulo-sched.c (create_partial_schedule,
8631 free_partial_schedule, reset_partial_schedule): Make them
8634 * hooks.c (hook_bool_rtx_int_false): Remove.
8635 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8637 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8639 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8640 and -mlong-double-128 are incompatible.
8641 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8642 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8643 (TARGET_LIBGCC2_CFLAGS): Define.
8644 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8645 (TARGET_LIBGCC2_CFLAGS): Same.
8646 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8648 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8651 * c-typeck.c (build_binary_op): Perform implicit casts of
8652 operands before shortening them.
8654 * cfgloopmanip.c (split_loop_bb): Remove.
8655 * cfgloop.h: Remove the prototype for split_loop_bb.
8657 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8658 * cfgloop.h: Remove the prototype for
8659 flow_loop_outside_edge_p.
8661 * emit-rtl.c (init_virtual_regs): Make it static.
8662 * function.h: Remove the prototype for init_virtual_regs.
8664 * recog.c (peephole2_optimize): Make it static.
8665 * recog.h: Remove the prototype for peephole2_optimize.
8667 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8669 * df-scan.c (df_record_entry_block_defs): Check if
8670 INCOMING_RETURN_ADDR_RTX is defined.
8672 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8673 Kenneth Zadeck <zadeck@naturalbridge.com>
8675 PR rtl-optimization/24762
8676 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8677 * targhooks.c (hook_void_bitmap): New hook prototype.
8678 * targhoohs.h (hook_void_bitmap): Ditto.
8679 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8680 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8681 * target.h (live_on_entry): New function pointer.
8682 * df-scan.c (df_all_hard_regs): Removed.
8683 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8684 (df_scan_free_internal): Added df->entry_block_defs.
8685 (df_scan_alloc): Ditto.
8686 (df_scan_dump): Ditto.
8687 (df_uses_record): Plumbed flag field properly thru calls.
8688 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8689 This part fixes PR24762.
8690 (df_bb_refs_record): Added code to make the frame and arg
8691 pointers live in EH blocks.
8692 (df_refs_record): Added call to df_record_entry_block_defs.
8693 (df_record_entry_block_defs): New function.
8694 * df-core.c: Added comments to describe new artifical defs.
8695 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8696 (entry_block_defs): New field in struct df.
8697 (df_all_hard_regs): Deleted.
8698 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8699 * df-problems.c (df_ru_bb_local_compute_process_def):
8700 Added code to handle artifical defs in the entry to a function.
8701 (df_ru_bb_local_compute): Ditto.
8702 (df_rd_bb_local_compute_process_def): Ditto.
8703 (df_rd_bb_local_compute): Ditto.
8704 (df_lr_bb_local_compute): Ditto.
8705 (df_ur_bb_local_compute): Ditto.
8706 (df_urec_bb_local_compute): Ditto.
8707 (df_chain_create_bb): Ditto.
8708 (df_ur_local_finalize): Removed entry.
8709 (df_urec_init): Ditto.
8710 (df_urec_local_finalize): Ditto.
8711 (df_ri_bb_compute): Added detection of last use of pseudos.
8712 * Makefile.in (df-scan.o): Updated dependencies.
8713 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8714 * config/mips/mips.c (mips_set_live_on_entry): Added.
8715 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8717 * dce.c (marked_insn_p): Added code to handle artifical defs.
8719 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8721 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8723 (_mm_cvtsi128_si64): Likewise.
8724 (_mm_cvtsd_si64): Likewise.
8725 (_mm_cvttsd_si64): Likewise.
8726 (_mm_cvtsi64_sd): Likewise.
8727 (_mm_cvtsi64_si128): Likewise.
8728 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8729 (_mm_cvtsi64_m64): Likewise.
8730 (_m_to_int64): Likewise.
8731 (_mm_cvtm64_si64): Likewise.
8732 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8733 (_mm_cvttss_si64): Likewise.
8734 (_mm_cvtsi64_ss): Likewise.
8735 (_mm_cvtss_f32): Likewise.
8737 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8739 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8740 for pragma redefine_extname.
8742 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8745 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8746 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8747 -mno-minimal-toc to previous content.
8748 (bispecs): Remove goal.
8749 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8750 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8751 compatibility aliases on powerpc-*-*gnu*.
8752 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8753 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8754 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8755 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8756 (ldblspecs): New goal.
8757 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8758 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8760 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8761 L_sf_to_tf or L_df_to_tf is defined.
8763 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8764 Alan Modra <amodra@bigpond.net.au>
8767 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8768 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8769 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8770 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8771 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8772 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8773 (rs6000_override_options): Initialize rs6000_ieeequad.
8774 Initialize TFmode format to ibm_extended_format if not
8776 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8778 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8779 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8780 (function_arg_advance): IBM long double passed in two FPRs, not
8782 (function_arg): IBM long double passed in FPRs.
8783 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8784 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8785 Only multireg GPR aligned.
8786 (rs6000_init_libfuncs): Enable IBM long double functions if not
8788 (rs6000_generate_compare): Use IBM long double compare if not
8790 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8791 (TARGET_IEEEQUAD): Define.
8792 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8793 not TARGET_IEEEQUAD.
8794 * config/rs6000/rs6000.md: Enable TFmode patterns if
8796 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8797 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8798 and -mlong-double-128 are incompatible.
8799 * doc/invoke.texi (-mabi): Collect options together. Add
8800 ibmlongdouble and ieeelongdouble.
8802 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8804 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8806 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8807 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8808 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8809 * rtl.h (rtunion_def): Remove rt_ptr.
8811 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8812 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8813 * config/i386/winnt.c (i386_pe_mark_dllexport)
8814 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8816 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8818 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8820 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8824 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8825 pthread_key_delete. From John David Anglin. gthrw-ify
8826 pthread_getunique_np only if it it's not a macro. Delete
8828 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8829 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8830 __gthread_objc_condition_signal, __gthread_key_delete): Add
8831 "__attribute__ ((__unused__))" to unused arguments.
8832 (__gthread_recursive_mutex_init_function): Add missing return.
8833 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8834 gthr-posix95.h: Use macro-based approach for name redirection
8835 on targets missing weakref.
8837 2006-01-26 Zack Weinberg <zackw@panix.com>
8839 * genconditions.c (write_header): In generated code, #ifdef out
8840 all includes and fake declarations, except includes of bconfig.h
8841 and system.h, unless GCC_VERSION >= 3001. Do not include
8842 gensupport.h in any case.
8843 (write_conditions): Generate a definition of struct c_test. Add
8844 a comment to the generated #endif.
8845 (write_one_condition): Escape backslashes in string too.
8846 (write_writer): Generated code must escape backslashes and quote
8847 marks (but not newlines) in the strings it writes.
8848 * Makefile.in (build/gencondmd.o): Update dependencies.
8850 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8853 * Makefile.in (insn-automata.o): Add header file dependencies.
8854 * genautomata.c: Add includes.
8856 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8859 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8861 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8863 * configure.ac: Expect target tools paths to be passed from the toplevel
8864 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8866 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8868 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8871 * c.opt (Wpointer-sign): Init to -1.
8872 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8873 OPT_pedantic, to 0 otherwise.
8874 * doc/invoke.texi: Update.
8876 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8878 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8879 constants provided by 80387 instructions in the destination mode.
8881 2006-01-26 Richard Guenther <rguenther@suse.de>
8882 Andrew Pinski <pinskia@physics.uc.edu>
8885 partial PR tree-opt/17064
8886 * tree-ssa-structalias.c (intra_create_variable_infos):
8887 Create heap variables for incoming parameters if
8888 flag_argument_noalias > 1.
8889 (find_what_p_points_to): Look through default defs of
8892 2006-01-26 Jeff Law <law@redhat.com>
8895 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8896 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8897 within the VR_RANGE, use the VR_RANGE as the result, not the
8899 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8900 bounds for the type.
8902 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8904 * tree-ssa-alias.c (maybe_create_global_var): Change
8905 subvar walking to an assertion that we don't have subvar'd variables.
8907 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8910 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8911 Use a new variable, inner. PARM_DECLs are always non-weak.
8913 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8915 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8918 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8920 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8922 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8924 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8925 (smax_insn, smin_insn, smax_0, smin_0): New.
8927 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8930 * config/cris/cris.c (cris_order_for_addsi3): New function.
8931 * config/cris/cris-protos.h: Prototype it.
8932 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8933 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8934 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8935 (split for "op.S1 [rx=rx+i],ry (swapped)")
8936 (split for "op(s|u).S1 [rx=rx+i],ry")
8937 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8938 Apply cris_order_for_addsi3 when generating addsi3 insns.
8940 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8942 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8943 (TREE_BLOCK): Add call to EXPR_CHECK.
8945 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8948 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8949 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8950 (dump_omp_clauses): ... here.
8951 (dump_generic_node): Handle OMP_CLAUSE.
8952 * tree.c (omp_clause_num_ops): New.
8953 (omp_clause_code_name): New.
8954 (tree_code_size): Handle OMP_CLAUSE.
8955 (tree_size): Likewise.
8956 (make_node): Document handling of OMP_CLAUSE.
8957 (tree_node_structure): Handle OMP_CLAUSE.
8958 (omp_clause_check_failed): New.
8959 (omp_clause_range_check_failed): New.
8960 (omp_clause_operand_check_failed): New.
8961 (build_omp_clause): New.
8962 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8963 * tree.h (enum omp_clause_code): Declare.
8964 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8965 (OMP_CLAUSE_RANGE_CHECK): Define.
8966 (OMP_CLAUSE_ELT_CHECK): Define.
8967 (omp_clause_check_failed): Declare.
8968 (omp_clause_operand_check_failed): Declare.
8969 (omp_clause_range_check_failed): Declare.
8970 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8971 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8972 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8973 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8974 (OMP_CLAUSE_IF_EXPR): Likewise.
8975 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8976 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8977 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8978 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8979 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8980 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8981 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8982 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8983 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8984 (OMP_CLAUSE_CODE): Define.
8985 (OMP_CLAUSE_SET_CODE): Define.
8986 (OMP_CLAUSE_CODE): Define.
8987 (OMP_CLAUSE_OPERAND): Define.
8988 (struct tree_omp_clause): Declare.
8989 (union tree_node): Add field 'omp_clause'.
8990 * treestruct.def (TS_OMP_CLAUSE): Define.
8991 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8992 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8993 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8994 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8995 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8996 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8997 (OMP_CLAUSE): Define.
8998 * print-tree.c (print_node): Handle OMP_CLAUSE.
8999 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9000 * c-typeck.c: Likewise.
9001 * gimplify.c: Likewise.
9002 * c-omp.c: Likewise.
9003 * tree-nested.c: Likewise.
9004 * tree-inline.c: Likewise.
9005 * c-parser.c: Likewise.
9006 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9009 2006-01-25 Roger Sayle <roger@eyesopen.com>
9011 PR rtl-optimization/25703
9012 * combine.c (try_combine): Handle zero_extract and strict_low_part
9013 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9015 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9017 * global.c: Fix comment typos.
9019 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9022 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9023 Use output_addr_const instead of assemble_name.
9025 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9027 * Makefile.in (sched-vis.o): Update dependencies.
9028 * haifa-sched.c (sched_finish): Clear current_sched_info.
9029 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9030 (dump_flow_info): Call it.
9031 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9033 * basic-block.h (dump_bb_info): Declare.
9034 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9035 option, and apply options only for dump files whose TDF_RTL,
9036 TDF_TREE, or TDF_IPA bits match.
9037 * rtl.h: Declare new functions exported from sched-vis.c.
9038 * sched-vis.c: Enable also if scheduling is not used.
9039 (print_value): Print the mode of registers if not inside scheduling.
9040 (print_insn): Make it work outside the scheduler. Beautify the output
9042 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9044 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9046 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9047 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9048 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9049 depending on the value of CONSTANT_POOL_ADDRESS_P.
9050 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9052 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9053 rather than SYMBOL_REF_DECL.
9054 (rtx_constant_pool): Remove const_rtx_sym_htab.
9055 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9056 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9057 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9058 Remove handling of const_rtx_sym_htab.
9059 (find_pool_constant): Delete.
9060 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9061 rather than find_pool_constant.
9062 (get_pool_constant_for_function): Delete.
9063 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9065 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9066 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9067 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9068 (SYMBOL_REF_CONSTANT): New macro.
9069 (get_pool_constant_for_function): Delete.
9070 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9071 rather than SYMBOL_REF_DECL.
9072 (i386_pe_mark_dllimport): Likewise.
9073 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9074 rather than SYMBOL_REF_DECL.
9075 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9076 (machopic_indirect_call_target): Likewise.
9078 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9080 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9082 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9084 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9086 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9088 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9090 2006-01-24 David Daney <ddaney@avtrex.com>
9093 * configure.ac (enable_tls): New enable option.
9094 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9095 * configure: Regenerate.
9096 * doc/install.texi (--enable-tls): Document new option.
9097 (--disable-tls): Ditto.
9099 2006-01-24 Richard Henderson <rth@redehat.com>
9101 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9102 * alias.c (true_dependence): Respect it.
9103 (canon_true_dependence, write_dependence_p): Likewise.
9104 * builtins.c (get_builtin_sync_mem): Set it.
9106 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9108 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9111 2006-01-24 DJ Delorie <dj@redhat.com>
9113 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9114 for storing constants in single-bit bitfields.
9116 2006-01-25 Ben Elliston <bje@au.ibm.com>
9118 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9120 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9123 * tree-ssa-pre.c (phi_translate): Return NULL
9124 for AGGREGATE_TYPE's.
9126 2006-01-24 Zack Weinberg <zackw@panix.com>
9128 * genautomata.c (process_state_for_insn_equiv_partition):
9129 Use xcalloc for insn_arcs_array.
9130 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9131 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9133 2006-01-24 Richard Henderson <rth@redhat.com>
9135 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9138 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9140 PR rtl-optimization/25890
9141 PR rtl-optimization/25905
9142 * combine.c (expand_compound_operation, expand_field_assignment):
9143 Fail if the bitfield's final position is out of bounds.
9145 2006-01-24 Ian Lance Taylor <ian@airs.com>
9148 * cgraphunit.c (cgraph_output_in_order): Don't clear
9149 cgraph_asm_nodes until after asm strings have been output.
9151 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9153 * fix-header.c (read_scan_file): Add new parameter imultilib when
9154 calling register_include_chains.
9156 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9158 * omp-low.c: Update documentation.
9160 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9161 Daniel Berlin <dberlin@dberlin.org>
9165 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9166 return from the function.
9168 2006-01-22 Zack Weinberg <zackw@panix.com>
9170 * rtl.def (match_code): Add second argument.
9171 * genpreds.c (write_extract_subexp): New function.
9172 (write_match_code): Add path argument. Use write_extract_subexp.
9173 (write_predicate_expr): Pass path to write_match_code.
9174 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9175 not perform a mode test.
9176 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9177 a subexpression does not constrain the top-level code set.
9178 * read-rtl.c (read_rtx_variadic): New function.
9179 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9180 * doc/md.texi: Document new notation.
9181 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9182 (cmpsi_operand): ... here, using new notation.
9184 2006-01-22 Zack Weinberg <zackw@panix.com>
9186 * varray.c: Remove GENERATOR_FILE #ifdefs.
9188 2006-01-22 Zack Weinberg <zackw@panix.com>
9190 * genautomata.c (output_reserved_units_table): Emit nothing if
9191 description->query_units_num is zero. Remove extra blank line.
9192 (output_cpu_unit_reservation_p): Short circuit
9193 if description->query_units_num is zero.
9195 2006-01-22 Zack Weinberg <zackw@panix.com>
9197 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9198 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9199 nor any of the random handful of variables that used to be necessary
9200 when this program was linked with rtlanal.o. Prune set of forward
9201 function declarations.
9202 (struct attr_desc): Remove static_p field.
9203 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9204 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9205 (attr_string): Do not read the character one past the length of
9207 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9208 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9209 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9210 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9211 (make_automaton_attrs): New.
9212 (main): Do not call into genautomata. Call local gen_bypass
9213 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9214 Remove special case for insn_alts.
9215 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9216 varray.h (leftover from previous change). Prune set of forward
9217 function declarations. Remove state_alts fields from all
9218 structures. Remove state_alts_table from struct automaton.
9219 Make everything except main static. Do not maintain num_dfa_decls.
9220 Do not maintain state_alts fields of various structures.
9221 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9222 (add_arc): Remove state_alts argument. All callers updated.
9223 (output_reserved_units_table): Emit #ifdef here...
9224 (output_tables): ...not here. Don't generate state_alts tables.
9225 (expand_automata): Don't generate attributes.
9226 (write_automata): Don't generate state_alts functions.
9227 (main): New function.
9228 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9229 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9230 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9231 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9232 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9233 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9234 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9235 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9237 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9238 * genattrtab.h: Delete file.
9239 * Makefile.in (OBJS-common): Add insn-automata.o.
9240 (insn-automata.o): New rule.
9241 (simple_generated_c): Add insn-automata.c.
9242 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9243 (genprogmd): Add automata.
9244 (build/genattrtab): Needs no extra objects nor libraries.
9245 (build/genautomata): Needs build/vec.o and -lm.
9247 2006-01-22 Zack Weinberg <zackw@panix.com>
9249 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9250 (output_dfa_max_issue_rate, locked_states_num): Delete.
9251 (struct automaton): Add locked_states field.
9252 (output_dead_lock_vect): Save number of locked states in
9253 automaton->locked_states. If it is zero, don't print anything.
9254 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9255 (output_internal_dead_lock_func): Only test the dead_lock_vect
9256 for automata that have locked states.
9257 (output_statistics): Always print the number of locked states for
9258 each automaton. Calculate total number of locked states here.
9259 (write_automata): Don't call output_dfa_max_issue_rate.
9260 * genattrtab.c: Define length_unit_log as a const variable.
9261 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9262 max_insn_queue_index const.
9263 * final.c (length_unit_log): Declare const.
9264 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9266 2006-01-22 Zack Weinberg <zackw@panix.com>
9268 * genautomata.c: Include vec.h, not varray.h.
9269 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9270 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9271 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9272 VEC_* macros operating on appropriately typed vectors, or to
9273 malloced arrays when the size is known in advance. Const-ify
9274 many char* variables and function arguments. No functional changes.
9275 * Makefile.in (build/varray.o): Delete rule.
9276 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9277 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9279 2006-01-22 Zack Weinberg <zackw@panix.com>
9281 * gensupport.c: Define get_insn_name and record_insn_name here.
9282 (read_md_rtx): Call record_insn_name as appropriate.
9283 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9284 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9285 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9287 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9288 (BUILD_VARRAY): Delete.
9289 (genprognormal): Rename genprogmd. Fold in all programs from
9290 genprognoprint; also attrtab.
9291 (build/genattrtab): Just mention genautomata.o and varray.o.
9292 Reorganize a bit, add comments to make the categories clearer.
9294 2006-01-22 Zack Weinberg <zackw@panix.com>
9296 * genconditions.c (condition_table, add_condition): Delete.
9297 (write_conditions): Don't emit n_insn_conditions nor
9298 insn_elision_unavailable. Issue the gcc version #ifdef here,
9299 inside the table, with no #else clause ...
9300 (write_header): ...not here.
9301 (write_writer): New function.
9302 (main): Don't initialize condition_table. Use add_c_test.
9304 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9305 files on the command line.
9306 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9307 Return -1 if there is no entry in the table, don't abort.
9308 (add_c_test, traverse_c_tests): New functions.
9309 * gensupport.h (insn_elision_unavailable, insn_conditions)
9310 (n_insn_conditions): Delete declarations.
9311 (add_c_test, traverse_c_tests): Declare.
9312 * read-rtl.c: Include gensupport.h.
9313 (read_conditions): New function.
9314 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9315 (read_rtx_1): If we get EOF when we were looking for an initial
9316 open paren, return 0. Call read_conditions when appropriate.
9317 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9318 dummy-conditions.o. Eliminate references to insn-conditions.o,
9319 or change them to build/gencondmd.o, as appropriate. Remove
9320 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9321 from $(simple_generated_c). For all files remaining in those
9322 two lists, add insn-conditions.md to the generator command line.
9323 Give insn-constants.h/s-constants their own rules. Add rules
9324 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9325 (build/read-rtl.o): Depend on gensupport.h.
9326 (genprognormal): Include preds.
9327 (genprogearly): Rename genprognoprint; only difference is now that
9328 they don't link with $(BUILD_PRINT).
9329 * dummy-conditions.c: Delete.
9331 2006-01-22 Zack Weinberg <zackw@panix.com>
9333 * genextract.c: Don't include insn-config.h. Do include vec.h.
9334 Declare vectors of int, char, and locstr.
9335 (locstr): New typedef.
9336 (struct extraction): Make all array fields into bare pointers.
9337 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9338 (insn_code_number): Delete.
9339 (accum_extract): New struct.
9340 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9341 (gen_insn): Take insn_code_number as an argument. Use an
9342 accum_extract structure instead of loading data directly into
9343 a struct extraction, and having to know how big it might get.
9344 (walk_rtx): Operate entirely on an accum_extract structure.
9345 (print_path): Avoid unnecessary use of printf.
9346 (print_header): New function, split out of main. Distinguish
9347 more carefully between an unrecognizable insn and an insn that
9348 has the code number of a define_expand.
9349 (main): Pass insn_code_number to gen_insn. Call print_header
9350 only after parsing. Avoid unnecessary use of printf.
9351 * Makefile.in (build/vec.o): New rule.
9352 (build/genextract): Depend on build/vec.o.
9353 (build/genextract.o): Don't depend on insn-config.h.
9355 2006-01-22 Zack Weinberg <zackw@panix.com>
9357 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9358 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9359 practical. Eliminate per-generator-program link rules.
9361 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9364 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9365 with a call expr to ...
9366 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9368 2006-01-23 Richard Guenther <rguenther@suse.de>
9370 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9371 before make_edge with conditional EDGE_TRUE_VALUE.
9373 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9374 Jan Hubicka <jh@suse.cz>
9375 Richard Guenther <rguenther@suse.de>
9377 PR rtl-optimization/25654
9378 * cfgexpand.c (aggregate_contains_union_type): New function.
9379 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9380 for structure variables that contain a union type.
9382 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9384 * gengtype.c (new_structure): Return the structure.
9385 (create_option): Add an extra "next" argument.
9386 (create_field): New function.
9387 (adjust_field_rtx_def): Use create_option and create_field.
9388 Remove a now-unnecessary call to find_structure.
9389 (adjust_field_tree_def): Likewise.
9390 (note_yacc_type): Remove an unnecessary call to find_structure.
9391 * gengtype.h (new_structure): Return the structure.
9392 (create_option): Add an extra argument.
9393 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9394 (option): Adjust calls to create_option.
9396 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9398 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9400 2006-01-22 Paul Brook <paul@codesourcery.com>
9401 Peter Barada <peter@the-baradas.com>
9403 * config/m68k/m68k.md: Add Coldfire FPU support.
9404 Define FP mode macro and associated attributes.
9405 Use it for float mode patterns.
9406 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9407 (LIBCALL_VALUE): Use m68k_libcall_value.
9408 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9409 (m68k_function_value): Ditto.
9410 (emit_move_sequence): Ditto.
9411 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9412 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9413 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9414 (MULTILIB_EXCEPTIONS): Ditto.
9415 * config/m68k/m68k.opt: Add mcfv4e.
9416 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9417 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9418 (m68k_output_function_prologue): Save ColdFire FPU registers.
9419 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9420 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9421 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9422 ColdFire FPU registers.
9423 (m68k_libcall_value, m68k_function_value): New functions.
9424 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9425 (LIBCALL_VALUE): Use m68k_libcall_value.
9426 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9427 (MASK_COLDFIRE): Add MASK_CFV4E.
9428 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9429 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9430 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9431 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9432 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9433 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9434 * doc/invoke.tex: Document -mcfv4e on m68k.
9436 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9438 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9441 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9444 * c-opts.c (c_common_handle_option): Don't include
9445 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9446 * doc/invoke.texi (C++ Dialect Options): Document that
9447 -Wnon-virtual-dtor is no longer included in -Wall.
9449 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9451 * gcov.c (print_version), gcov-dump.c (print_version),
9452 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9455 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9457 * df-scan.c (problem_SCAN): Added NULL reset function.
9458 (df_scan_reset_blocks): Added code to call reset block function
9459 (df_bb_refs_delete) Fixed comment.
9460 (df_insn_refs_delete): Made tolerant of deleting non existent info
9461 for dataflow problems that need to be reset.
9462 * df-core.c (df_set_blocks): Ditto.
9463 * df.h (struct df_problem): Added reset_fun.
9464 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9465 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9466 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9467 functions to clear out all references to def-use or use-def chains.
9469 2006-01-21 Ben Elliston <bje@au.ibm.com>
9471 * varasm.c (assemble_real): Initialise data array.
9473 2006-01-20 Paul Brook <paul@codesourcery.com>
9475 Merge from csl-arm-branch.
9476 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9477 * config/arm/arm.md (movdi): Force operands[1] to a register
9478 if we have a non-register source.
9479 (*arm_movdi, *movdf_soft_insn): Require that one of the
9480 operands be a register.
9481 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9482 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9484 2006-01-20 DJ Delorie <dj@redhat.com>
9486 * varasm.c (initialize_constant_valid_p): Allow pointers
9487 initialized from integer constants of lesser precision.
9488 (output_constant): Allow non-int-sized pointer modes to be
9489 initialized from integer constants.
9491 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9494 * cppdefault.h (struct default_include): Add multilib flag.
9495 * cppdefault.c (cpp_include_defaults): Set it.
9496 * c.opt (-imultilib): New option.
9497 * c-opts.c (imultilib): New.
9498 (c_common_handle_option): Handle -imultilib.
9499 (c_common_post_options): Likewise.
9500 * c-incpath.c (add_standard_paths, register_include_chains):
9502 * c-incpath.h (register_include_chains): Add extra parameter.
9503 * gcc.c (do_spec_1): Generate -imultilib option.
9504 (The Specs Language): Update %I description.
9505 (process_command): Update copyright notice.
9506 * doc/cppopts.texi (-imultilib): Document.
9507 * doc/invoke.texi (-imultilib): Include in option summary.
9508 (%I): Update specs documentation.
9510 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9512 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9514 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9516 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9519 2006-01-20 Richard Guenther <rguenther@suse.de>
9520 Steven Bosscher <stevenb.gcc@gmail.com>
9522 PR rtl-optimization/24626
9523 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9524 EDGE_TRUE_VALUE if in RTL mode.
9527 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9528 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9530 2006-01-20 Dirk Mueller <dmueller@suse.com>
9533 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9534 instead of a special NOP marker.
9535 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9536 NOP marker handling.
9537 * c-common.h (empty_body_warning): Add forward declaration.
9538 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9539 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9541 2006-01-20 Paul Brook <paul@codesourcery.com>
9543 * Makefile.in (lang_checks): Keep going if mkdir fails.
9545 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9547 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9548 be able to clean out basic block when not necessary.
9549 (df_scan_free): Fixed to properly delete information if df is
9550 unused before calling df_finish.
9551 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9552 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9554 (df_bb_refs_delete): New function.
9555 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9556 * df-core.c (df_set_blocks): Added code to properly clean out
9557 unused blocks if they are not part of the blocks to consider.
9558 Added additional null check.
9559 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9560 be able to clean out basic block when not necessary
9561 * df.h (df_free_bb_function): Ditto.
9562 (df_bb_refs_delete): New function.
9563 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9564 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9565 basic block parameter to be able to clean out basic block when not
9567 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9568 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9569 Fixed to properly delete information if df is unused before
9572 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9574 PR rtl-optimization/25799
9575 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9576 Corrected confluence operator to remove bits from op2 before oring
9577 with op1 rather than removing bits from op1.
9578 (df_ru_transfer_function): Corrected test on wrong bitmap which
9579 caused infinite loop. Both of these problems were introduced in
9580 the dataflow rewrite.
9582 2006-01-19 DJ Delorie <dj@redhat.com>
9584 * reload1.c (find_reload_regs): Note the details of reload
9585 failures in the dump file.
9586 (spill_failure): Likewise.
9588 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9590 * loop-iv.c: Include df.h and hashtab.h.
9591 (enum iv_grd_result): New enum.
9592 (DF_REF_IV, DF_REF_IV_SET): New macros.
9593 (struct biv_entry): New.
9594 (df, bivs): New global variables.
9595 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9596 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9598 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9599 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9600 analyzed_for_bivness_p, record_biv): New functions.
9601 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9602 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9603 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9605 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9607 (iv_number_of_iterations): Use new interface to iv analysis.
9608 * loop-unroll.c: Do not include varray.h.
9609 (analyze_iv_to_split_insn): Use new interface to iv
9611 * loop-unswitch.c (may_unswitch_on): Ditto.
9612 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9614 (df_bb_modify): Realloc tables to the new index.
9615 (df_find_use): New function.
9616 * df.h (df_find_use): Declare.
9617 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9619 * cfgloop.h (struct rtx_iv): Remove analysed field.
9620 (iv_get_reaching_def): Removed.
9621 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9622 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9623 (loop-iv.o): Add df.h and hashtab.h dependency.
9624 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9626 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9629 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9631 (__floatundisf, __floatundidf): Likewise.
9632 * libgcc2.h (IS_IBM_EXTENDED): Define.
9634 2006-01-19 DJ Delorie <dj@redhat.com>
9636 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9638 2006-01-19 Paul Brook <paul@codesourcery.com>
9640 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9641 as nothrow when unwinding tables are disabled.
9643 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9646 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9647 of bit-field" when in system header.
9649 2006-01-19 DJ Delorie <dj@redhat.com>
9651 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9652 the 16 bit shift limit of the m16c.
9654 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9657 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9658 * config/i386/i386.c (output_set_got): Output the label if we have one
9659 for the TARGET_DEEP_BRANCH_PREDICTION case.
9661 2006-01-19 Jan Hubicka <jh@suse.cz>
9662 H.J. Lu <hongjiu.lu@intel.com>
9663 Evandro Menezes <evandro.menezes@amd.com>
9665 * invoke.texi (generic): Document
9667 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9668 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9669 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9670 (x86_use_incdec, x86_pad_returns): New variables
9671 (TARGET_CPU_DEFAULT_generic): New constant
9672 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9673 (enum processor_type): Add generic32 and generic64.
9674 * i386.md (cpu attribute): Add generic32/generic64
9675 (movhi splitter): Behave sanely when both partial_reg_dependency and
9676 partial_reg_stall are set.
9677 (K8 splitters): Enable for generic as well.
9678 * predicates.md (incdec_operand): Use TARGET_INCDEC
9679 (aligned_operand): Avoid memory mismatch stalls.
9680 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9681 * ppro.md: Enable for generic32
9682 * i386.c (generic64_cost, generic32_cost): New.
9683 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9684 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9685 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9686 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9687 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9688 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9689 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9690 x86_accumulate_outgoing_args, x86_prologue_using_move,
9691 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9692 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9694 (x86_use_incdec, x86_pad_returns): New.
9695 (override_options): Add generic32 and generic64, translate "generic"
9696 to generic32/generic64 and "i686" to "generic32", refuse
9697 "generic32"/"generic64" as arch target.
9698 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9699 (ix86_reorg): Honor PAD_RETURNS.
9701 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9703 * tree-pretty-print.c (dump_generic_node): Handle
9704 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9705 * cgraph.c (cgraph_expand_queue): Rename from
9706 cgraph_analyze_queue. Update all users.
9707 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9708 cgraph_expand_queue.
9709 (cgraph_expand_all_functions): Likewise.
9710 (cgraph_finalize_pending_functions): Remove. Update callers.
9712 * tree.h (OMP_DIRECTIVE_P): Define.
9713 (OMP_PARALLEL_FN): Define.
9714 (OMP_PARALLEL_DATA_ARG): Define.
9715 (OMP_SECTIONS_SECTIONS): Define.
9716 * tree-pass.h (pass_expand_omp): Declare.
9717 * omp-low.c (struct omp_region): Declare.
9718 (struct omp_context): Remove fields 'parallel_type',
9719 'parallel_start_ix' and 'parallel_start_additional_args'.
9721 (struct omp_for_data): Rename from struct expand_omp_for_data.
9722 (omp_regions): New static variable.
9723 (root_omp_region): New static variable.
9724 (find_omp_clause): Make static.
9725 (is_in_combined_parallel_ctx): Remove.
9726 (is_combined_parallel): New.
9727 (extract_omp_for_data): Move earlier in the file.
9728 (workshare_safe_to_combine_p): New.
9729 (get_ws_args_for): New.
9730 (determine_parallel_type): Move earlier in the file.
9731 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9733 (omp_copy_decl): Likewise.
9734 (create_omp_child_function): Likewise.
9735 (lookup_omp_region): New.
9736 (dump_omp_region): New.
9737 (debug_omp_region): New.
9738 (debug_all_omp_regions): New.
9739 (new_omp_region): New.
9740 (scan_omp_parallel): If parallel_nesting_level > 1, the
9741 directive is nested within another parallel directive.
9742 Set OMP_PARALLEL_FN.
9743 (scan_omp_for): Do not try to handle combined parallel+for
9745 Remove FIXME comment.
9746 (scan_omp_nested): Remove.
9747 (scan_omp_1): Do not call scan_omp_nested when
9748 parallel_nesting_level is > 1.
9749 Do not change the DECL_CONTEXT of local variables found.
9750 (lookup_decl_in_outer_ctx): New.
9751 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9752 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9753 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9754 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9755 If CTX is nested, lookup VAR in the outer context when
9756 building copy assignment.
9757 (lower_send_clauses): Rename from expand_send_clauses.
9758 If CTX is nested, lookup VAR in the outer context when
9759 building copy assignments.
9760 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9761 If CTX is nested, lookup VAR in the outer context when
9762 building copy assignments.
9763 (expand_parallel_call): Rename from build_parallel_call.
9764 Handle combined parallel+workshare cases.
9765 Re-implement to emit code into the CFG.
9767 (expand_omp_parallel): Re-implement to emit code into the CFG.
9768 Call move_sese_region_to_fn to outline the sub-graph
9769 containing the parallel region.
9770 (expand_omp_for_1): Remove.
9771 (expand_omp_for_generic): Re-implement to emit code into the
9773 (expand_omp_for_static_nochunk): Likewise.
9774 (expand_omp_for_static_chunk): Likewise.
9775 (expand_omp_for): Likewise.
9776 (expand_omp_sections): Likewise.
9777 (remove_exit_barriers): New.
9778 (expand_omp_synch): New.
9780 (build_omp_regions_1): New.
9781 (build_omp_regions): New.
9782 (execute_expand_omp): New.
9783 (gate_expand_omp): New.
9784 (pass_expand_omp): Define.
9785 (lower_omp_sections): Rename from expand_omp_sections.
9786 Set OMP_SECTIONS_SECTIONS.
9787 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9788 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9789 (lower_omp_single): Rename from expand_omp_simple.
9790 (lower_omp_master): Rename from expand_omp_master.
9791 (lower_omp_ordered): Rename from expand_omp_ordered.
9792 (lower_omp_critical): Rename from expand_omp_critical.
9793 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9794 (lower_omp_for): Re-implement.
9795 (lower_omp_parallel): Re-implement.
9796 (lower_regimplify): Rename from expand_regimplify.
9797 (lower_omp_1): Rename from expand_omp_1.
9798 If there are syntax errors in the program, replace every
9799 OpenMP directive with NOP.
9800 Call lower_omp_* instead of expand_omp_*.
9801 (lower_omp): Rename from expand_omp.
9803 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9804 * tree-gimple.h (enum omp_parallel_type): Remove.
9805 (gimple_boolify): Declare extern.
9806 (find_omp_clause, determine_parallel_type): Remove.
9808 * gimple-low.c (lower_omp_directive): New.
9809 (lower_stmt): Call it.
9810 (record_vars_into): Move from ...
9811 (record_vars): ... here.
9812 Call record_vars_into with current_function_decl.
9814 * gimplify.c (struct gimplify_ctx): Remove fields
9815 combined_pre_p and combined_ctxp. Update users.
9816 (get_formal_tmp_var): Add documentation.
9817 (gimple_boolify): Make extern.
9818 (gimplify_expr_in_ctx): Remove. Update callers.
9819 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9820 will always be a BIND_EXPR.
9821 (gimplify_expr): Handle OMP_RETURN_EXPR.
9822 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9823 (OMP_PARALLEL): Add 3 operands.
9824 (OMP_SECTIONS): Add 1 operand.
9825 (OMP_RETURN_EXPR): Define.
9827 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9828 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9829 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9830 creating a circular free list.
9831 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9833 * tree-flow.h (move_sese_region_to_fn): Declare.
9834 (record_vars_into): Declare.
9835 * tree-cfg.c (make_omp_sections_edges): New.
9836 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9837 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9838 OMP_SECTIONS and OMP_SECTION.
9839 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9840 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9841 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9842 (gather_blocks_in_sese_region): New.
9843 (struct move_stmt_d): Declare.
9845 (move_block_to_fn): New.
9846 (move_sese_region_to_fn): New.
9848 * passes.c (init_optimization_passes): Schedule
9849 pass_expand_omp after pass_init_datastructures.
9851 * tree-ssa-operands.c (get_expr_operands): Handle
9852 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9853 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9855 2006-01-19 Jeff Law <law@redhat.com>
9857 * tree-vrp.c (extract_range_from_assert): Refine the result range
9858 if the variable referenced by the ASSERT_EXPR has a range and
9859 either the tentative result range or the previous range is a
9862 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9864 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9866 2006-01-19 Jan Hubicka <jh@suse.cz>
9868 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9870 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9872 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9873 (expand_compound_operation, expand_field_assignment): Fail if the
9874 bit lengths of an extract operation are out of range.
9875 (make_extraction): Compute wanted_inner_mode based on the position
9876 and length of the extraction. Make it extraction_mode for non-constant
9877 positions, and do not modify offset in that case. When generating a
9878 new MEM, use a mode that can hold the extraction while keeping correct
9879 alignment. Remove code that supported MEMs wrapped by USEs.
9880 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9882 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9884 * config/s390/s390.md ("Y", "y"): New mode attribute.
9885 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9886 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9887 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9888 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9889 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9890 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9891 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9892 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9893 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9894 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9895 "addsi3", "subsi3"): Insn patterns removed.
9896 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9897 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9898 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9899 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9900 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9901 "*sub<mode>3_cconly2"): New insn patterns.
9902 ("addsi3", "subsi3"): New expanders.
9904 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9906 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9907 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9908 existing STMT_VINFO_VECTYPE if available.
9909 (vect_mark_relevant): Add special handling for stmts that are
9910 marked as STMT_VINFO_IN_PATTERN_P.
9911 (vect_analyze_loop): Call vect_pattern_recog.
9912 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9913 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9915 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9916 (vect_recog_func_ptr): New function-pointer type.
9917 * tree-vect-patterns.c: New file.
9918 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9919 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9920 (vect_pattern_recog_1): New functions.
9921 (vect_pattern_recog_funcs): New array of function pointers.
9923 * tree-vectorizer.h (ternary_op): New enum value.
9924 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9925 declaration. Revised documentation. Removed redundant dump prints.
9926 Removed redundant argument. Added support for reduction patterns.
9927 (vectorizable_reduction): Added support for reduction patterns.
9928 (vect_transform_stmt): Added support for patterns.
9930 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9931 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9932 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9933 (expand_widen_pattern_expr): New function.
9934 (init_optabs): Initialize new optabs udot_prod_optab,
9936 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9937 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9938 (expand_widen_pattern_expr): New function declaration.
9939 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9941 * tree-inline.c (estimate_num_insns_1): Added cases for new
9942 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9943 * tree-pretty-print.c (dump_generic_node): Likewise.
9944 (op_prio): Likewise.
9945 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9946 * tree-ssa-operands.c (get_expr_operands): Added case for
9948 * tree-vect-patterns.c (widened_name_p): New function.
9949 (vect_recog_dot_prod_pattern): Added function implementation.
9950 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9951 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9952 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9953 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9955 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9956 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9957 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9958 (init_optabs): Initialize new optabs widen_ssum_optab,
9960 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9961 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9962 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9963 use instead of type of def.
9964 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9965 function implementation.
9966 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9967 widen_ssumv8hi): New.
9969 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9972 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9975 * c-decl.c (add_flexible_array_elts_to_size): New function.
9976 (finish_decl): Use it.
9978 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9980 * diagnostic.h: Include options.h.
9981 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9982 dependancies for diagnostic.h.
9983 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9985 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9987 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9988 (ssa_ro_call_cache_valid): Ditto.
9989 * tree-ssa-alias.c (sort_tags_by_id): New function.
9990 (init_transitive_clobber_worklist): Ditto.
9991 (add_to_worklist): Ditto.
9992 (mark_aliases_call_clobbered): Ditto.
9993 (compute_tag_properties): Ditto.
9994 (set_initial_properties): Ditto.
9995 (compute_call_clobbered): Ditto.
9996 (compute_may_aliases): Call compute_call_clobbered and grouping.
9997 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9998 (compute_flow_insensitive_aliasing): Grouping now happens in our
10000 (setup_pointers_and_addressables): Remove clobbering related code.
10001 (add_may_alias): Ditto.
10002 (replace_may_alias): Ditto.
10003 (get_nmt_for): Ditto.
10004 (create_global_var):
10005 (is_escape_site): Return an escape_type enumeration.
10006 * tree-flow-inline.h (is_call_clobbered): Global var does not
10007 imply call clobbered.
10008 (mark_call_clobbered): Take a reason for marking this. Remove
10009 marking of globalness, and cache invalidation.
10010 (clear_call_clobbered): Remove cache invalidation code.
10011 * tree-dfa.c (dump_variable): If details is on, dump the reason
10013 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10015 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10016 (struct var_ann_d): Ditto.
10017 (enum escape_type): New.
10018 (mark_call_clobbered): Adjust prototype.
10019 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10020 are never call clobbered.
10021 Record reasons for escaping.
10022 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10023 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10024 (ssa_ro_call_cache_valid): Ditto.
10025 (clobbered_v_may_defs): Ditto.
10026 (clobbered_vuses): Ditto.
10027 (ro_call_vuses): Ditto.
10028 (clobber_stats): New.
10029 (init_ssa_operands): Zero out clobber stats.
10030 (fini_ssa_operands): Print out clobber stats.
10031 (get_call_expr_operands): Pass callee fndecl to
10032 add_call_read_ops).
10033 (add_call_clobber_ops): Remove use of cache.
10034 Add use of PURE_CONST information.
10035 (add_call_read_ops): Remove use of cache.
10036 Add use of static not_read information.
10038 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10040 Introduce TLS descriptors for i386 and x86_64.
10041 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10042 (TARGET_ANY_GNU_TLS): New macro.
10043 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10044 (struct machine_function): Add tls_descriptor_call_expanded_p.
10045 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10046 (ix86_current_function_calls_tls_descriptor): Likewise.
10047 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10048 (override_options): Introduce gnu2 tls dialect.
10049 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10051 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10053 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10054 (ix86_init_machine_status): Initialize new field.
10055 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10056 (ix86_tls_module_base): New.
10057 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10058 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10059 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10060 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10061 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10062 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10063 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10064 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10065 * config/i386/predicates.md (tls_modbase_operand): New.
10066 (tp_or_register_operand): New.
10068 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10070 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10071 (look_for_address_of): Ditto.
10072 (ipa_init): Walk the function decls.
10073 (static_execute): Don't set readonly on FUNCTION_DECL's.
10075 2006-01-18 Roger Sayle <roger@eyesopen.com>
10077 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10078 for shifts where the source and destination registers are different.
10080 2006-01-18 Paul Brook <paul@codesourcery.com>
10082 Merge from csl-arm-branch.
10083 2005-03-14 Julian Brown <julian@codesourcery.com>
10084 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10085 (aeabi_llsl): Likewise.
10086 (ashrdi3): Likewise.
10087 (aeabi_lasr): Likewise.
10088 (lshrdi3): Likewise.
10089 (aeabi_llsr): Likewise.
10090 2005-03-10 Julian Brown <julian@codesourcery.com>
10091 * config.gcc: Disable shared libgcc for SymbianOS.
10092 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10094 2006-01-18 DJ Delorie <dj@redhat.com>
10096 * c-pragma.c (handle_pragma_diagnostic): New.
10097 (init_pragma): Register it.
10098 * doc/extend.texi: Document it.
10100 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10101 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10102 (diagnostic_context): Add classify_diagnostic[].
10103 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10104 as errors if they're overridden to DK_WARNING.
10105 (diagnostic_initialize): Initialize classify_diagnostic[].
10106 (diagnostic_set_kind_override): New.
10107 (diagnostic_report_diagnostic): Check for kind changes.
10108 * opts.c (common_handle_option): Take lang_mask. Update callers.
10109 Handle OPT_Werror_.
10110 * common.opt (Werror=): New.
10111 * doc/invoke.texi: Document -Werror=*
10113 2006-01-18 Jeff Law <law@redhat.com>
10115 * tree-vrp.c (test_for_singularity): Correct test for new
10116 min limit. Use operand_equal_p rather than pointer equality
10117 for testing if new min/max values are equal.
10119 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10120 using range information until after propagation and folding.
10122 2006-01-18 Richard Henderson <rth@redhat.com>
10123 Aldy Hernandez <aldyh@redhat.com>
10124 Jakub Jelinek <jakub@redhat.com>
10125 Diego Novillo <dnovillo@redhat.com>
10127 * omp-low.c: New file.
10128 * c-omp.c: New file.
10130 2006-01-18 Richard Henderson <rth@redhat.com>
10131 Jakub Jelinek <jakub@redhat.com>
10132 Diego Novillo <dnovillo@redhat.com>
10134 * doc/invoke.texi: Document -fopenmp.
10135 * tree-dump.h (debug_function): Declare.
10136 * hooks.c (hook_bool_tree_bool_false): New function.
10137 (hook_tree_tree_null): Remove.
10138 (hook_tree_tree_tree_null): New.
10139 * hooks.h: Update to match.
10140 * tree-pretty-print.c (debug_tree_chain): New.
10141 (print_generic_expr): Handle TDF_CHAIN.
10142 (dump_generic_node): Handle BLOCK.
10143 Do not abort with incomplete SWITCH_EXPRs.
10144 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10145 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10146 print space after directive name.
10147 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10148 Handle OMP_MASTER and OMP_ORDERED.
10149 Handle printing of OMP_BODY just in one place, goto
10150 dump_omp_body in the rest of OMP_* nodes that have
10152 Don't handle clause nodes here. Update omp statements to
10153 use dump_omp_clauses.
10154 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10155 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10156 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10157 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10158 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10159 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10160 Adjust output for GOMP_PARALLEL.
10161 (dump_omp_clauses): New.
10162 (print_declaration): Dump DECL_VALUE_EXPR.
10163 (op_symbol_1): Split out of op_symbol.
10164 (dumping_stmts): Remove. Update all users.
10165 * cgraph.c (cgraph_analyze_queue): New.
10166 (cgraph_add_new_function): New.
10167 * cgraph.h (cgraph_analyze_queue): Declare.
10168 (cgraph_add_new_function): Declare.
10169 (cgraph_lower_function): Remove.
10170 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10171 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10172 and TYPE_P nodes in its default clause.
10173 (empty_body_p): New.
10174 (tree_range_check_failed): New.
10175 (build5_stat): New.
10176 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10177 OMP_CLAUSE_REDUCTION_MERGE,
10178 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10179 OMP_CLAUSE_PRIVATE_DEBUG,
10180 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10181 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10182 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10183 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10184 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10185 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10186 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10187 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10188 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10189 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10190 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10191 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10192 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10193 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10194 (TREE_RANGE_CHECK): New.
10195 (empty_body_p): Declare.
10196 (enum omp_clause_default_kind): New.
10197 (build_string_literal): Declare.
10198 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10199 (build5_stat, build5): Declare.
10200 * tree-pass.h (TDF_CHAIN): Define.
10201 * tree-pass.h (PROP_gimple_lomp): Define.
10202 (pass_lower_omp): Declare.
10203 * diagnostic.h (debug_tree_chain): Declare.
10204 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10206 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10207 * builtins.c (build_string_literal): Make extern.
10208 * gcc.c (include_spec_function): New.
10209 (static_spec_functions): Add it.
10210 (main): Move load of libgomp.spec ...
10211 (LINK_COMMAND_SPEC): ... here.
10212 (link_gomp_spec): New.
10213 (static_specs): Include it.
10214 (LINK_COMMAND_SPEC): Add link_gomp.
10215 (GOMP_SELF_SPECS): New.
10216 (driver_self_specs): Include it.
10217 (switch_matches): Don't mark inline.
10218 (main): Load libgomp.spec.
10219 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10220 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10221 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10222 * tree-gimple.h (enum omp_parallel): Declare.
10223 (determine_parallel_type): Declare.
10224 (omp_firstprivatize_variable): Declare.
10225 (omp_reduction_init): Declare.
10226 (diagnose_omp_structured_block_errors): Declare.
10227 (struct walk_stmt_info): Add want_return_expr.
10228 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10229 (find_omp_clause): Declare.
10230 (insert_field_into_struct): Declare.
10231 (struct walk_stmt_info): Move from tree-nested.c
10232 (walk_stmts): Declare.
10233 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10235 * cgraphunit.c (cgraph_lower_function): Make static.
10236 (cgraph_finalize_pending_functions): New.
10237 (cgraph_finalize_function): Call it.
10238 (cgraph_finalize_compilation_unit): Likewise.
10239 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10240 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10241 (BT_FN_UINT_UINT): New.
10242 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10243 DEF_FUNCTION_TYPE_VAR_4): Document.
10244 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10245 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10246 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10247 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10248 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10249 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10250 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10251 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10252 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10253 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10254 into separate files.
10255 (DEF_GOMP_BUILTIN): New.
10256 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10257 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10258 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10259 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10260 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10261 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10262 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10263 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10264 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10265 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10266 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10267 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10268 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10269 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10270 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10271 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10272 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10273 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10274 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10275 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10276 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10277 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10278 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10279 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10280 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10281 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10282 * sync-builtins.def: New file, moved from builtins.def.
10283 * omp-builtins.def: New file, moved from builtins.def.
10284 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10285 * gimple-low.c (lower_function_body): Clear data.
10286 (lower_stmt): Do not handle COMPOUND_EXPR.
10287 Remove call to print_node_brief.
10288 * c-tree.h (c_finish_omp_clauses): New prototype.
10289 (C_DECL_THREADPRIVATE_P): Define.
10290 (lookup_name_no_remap, c_omp_remap_private): Remove
10291 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10292 (check_for_loop_decls): Update decl.
10293 (lookup_name_no_remap, c_omp_remap_private): Declare.
10294 (build_indirect_ref, build_modify_expr, pushdecl,
10295 pushdecl_top_level): Move to c-common.h.
10296 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10297 before the switch, but just in the 2 places that need it.
10298 * c-decl.c (diagnose_mismatched_decls): Do not check for
10299 mismatched thread-local attributes when OLDDECL is marked
10300 threadprivate and NEWDECL has no thread-local attributes.
10301 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10302 (c_gimple_diagnostics_recursively): Rename from
10303 c_warn_unused_result_recursively. Invoke
10304 diagnose_omp_structured_block_errors.
10305 (check_for_loop_decls): Return a singular decl found.
10306 * langhooks.c (lhd_omp_predetermined_sharing): Return
10307 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10308 (lhd_omp_firstprivatize_type_sizes): New.
10309 (lhd_omp_assignment): New.
10310 (lhd_omp_predetermined_sharing): New.
10311 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10312 (struct lang_hooks_for_types): Add
10313 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10314 omp_predetermined_sharing, omp_disregard_value_expr,
10315 omp_private_debug_clause, omp_clause_default_ctor,
10316 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10317 (c_finish_omp_clauses): New.
10318 (c_finish_bc_stmt): Diagnose break within omp for.
10319 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10320 (build_unary_op): Return error_mark after reporting
10322 (build_modify_expr): Likewise.
10323 * gimplify.c: Include optabs.h and pointer-set.h.
10324 (enum gimplify_omp_var_data): Declare.
10325 (struct gimplify_omp_ctx): Declare.
10326 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10328 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10329 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10330 (splay_tree_compare_decl_uid): New.
10331 (new_omp_context): New.
10332 (delete_omp_context): New.
10333 (gimple_add_tmp_var): Call omp_add_variable.
10334 (gimplify_bind_expr): Likewise.
10335 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10336 true, disregard DECL_VALUE_EXPR on the decl if any.
10337 (gimplify_expr_in_ctx): New.
10338 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10339 omp_add_variable, omp_notice_variable, omp_is_private
10340 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10341 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10342 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10343 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10344 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10345 gimplify_omp_atomic): New.
10346 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10347 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10348 OMP_CRITICAL and OMP_ATOMIC.
10349 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10350 * c-pragma.h (enum pragma_kind): Add
10351 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10352 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10353 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10354 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10355 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10356 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10357 PRAGMA_OMP_THREADPRIVATE.
10358 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10359 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10360 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10361 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10362 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10363 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10364 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10365 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10366 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10367 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10368 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10369 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10370 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10372 (struct nesting_info): Add field_map,
10373 suppress_expansion, debug_var_chain.
10374 (create_nesting_tree): Initialize them.
10375 (lookup_field_for_decl): Use field_map.
10376 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10377 (convert_local_omp_clauses): New.
10378 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10379 (walk_body): Split out of walk_function.
10380 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10381 (convert_nonlocal_reference): Handle omp statements.
10382 (convert_local_reference): Likewise.
10383 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10384 (unnest_nesting_tree): New.
10385 (lower_nested_functions): Call it.
10386 (insert_field_into_struct): Make extern.
10387 (struct walk_stmt_info): Move to tree-gimple.h.
10388 (walk_stmts): Make extern.
10389 * omp-builtins.def: New file.
10390 * tree-iterator.c (expr_only): Clarify comment.
10391 * c-common.h (pushdecl_top_level, pushdecl,
10392 build_modify_expr, build_indirect_ref,
10393 c_finish_omp_master, c_finish_omp_critical,
10394 c_finish_omp_ordered, c_finish_omp_barrier,
10395 c_finish_omp_atomic, c_finish_omp_flush,
10396 c_finish_omp_for, c_split_parallel_clauses,
10397 omp_clause_default_kind, c_omp_sharing_predetermined,
10398 c_omp_remap_decl): Declare.
10399 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10400 (OBJS-common): Add omp-low.o.
10401 (c-omp.o, omp-low.o): Add.
10402 (gimplify.o): Add dependency on $(OPTABS_H).
10403 (GTFILES): Add omp-low.c.
10404 (gt-stringpool.h): Add.
10405 * tree-cfg.c (set_bb_for_stmt): Do not update the
10406 block-to-labels map if we are currently expanding to RTL.
10407 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10409 Handle IDENTIFIER_NODE.
10410 (tree_verify_flow_info): Do not ICE when emitting error
10411 messages about invalid labels.
10412 (dump_function_to_file): Reset CFUN before emitting the body
10414 (debug_function): New.
10415 * passes.c (init_optimization_passes): Schedule
10417 * langhooks-def.h (lhd_omp_predetermined_sharing,
10418 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10420 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10421 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10422 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10423 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10424 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10425 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10426 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10427 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10428 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10429 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10430 (LANG_HOOK_DECLS): Use them.
10432 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10433 Richard Henderson <rth@redhat.com>
10434 Jakub Jelinek <jakub@redhat.com>
10435 Diego Novillo <dnovillo@redhat.com>
10437 * c-parser.c (pragma_omp_clause): Define.
10438 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10439 (c_parser_compound_statement): Likewise.
10440 (c_parser_statement): Likewise.
10441 (c_parser_pragma): Handle omp pragmas.
10442 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10443 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10444 (c_parser_omp_clause_name, check_no_duplicate_clause,
10445 c_parser_omp_variable_list,
10446 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10447 c_parser_omp_clause_copyprivate,
10448 c_parser_omp_clause_default,
10449 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10450 c_parser_omp_clause_lastprivate,
10451 c_parser_omp_clause_nowait,
10452 c_parser_omp_clause_num_threads,
10453 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10454 c_parser_omp_clause_reduction,
10455 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10456 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10457 c_parser_omp_atomic, c_parser_omp_barrier,
10458 c_parser_omp_critical, c_parser_omp_flush,
10459 c_parser_omp_for_loop, c_parser_omp_for,
10460 c_parser_omp_master, c_parser_omp_ordered,
10461 c_parser_omp_sections_scope, c_parser_omp_sections,
10462 c_parser_omp_parallel, c_parser_omp_single,
10463 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10464 * c-pragma.c (init_pragma): Do omp pragma registration here.
10465 * c.opt (fopenmp): New flag.
10467 2006-01-18 Eric Christopher <echristo@apple.com>
10469 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10470 * config/darwin.h (GOMP_SELF_SPECS): Define.
10472 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10474 * rtl.h: Remove the prototype for reg_alloc.
10476 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10479 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10480 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10481 sjlj and dwarf2 exception handling.
10482 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10483 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10484 * pa/pa.c (function_value): Treat complex and vector types as
10486 (function_arg): Likewise. Only pass scalar floats in the floating
10487 point argument registers.
10488 * pa/t-slibgcc-dwarf-ver: New file.
10489 * pa/t-slibgcc-sjlj-ver: New file.
10490 * pa/t-slibgcc-elf-ver: Delete file.
10492 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10494 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10495 unlikely_test_section_p test.
10497 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10499 * mode-switching.c (optimize_mode_switching): Make it static.
10500 * basic-block.h: Remove the prototype for
10501 optimize_mode_switching.
10503 * modulo-sched.c (sms_schedule): Make it static.
10504 * rtl.h: Remove the prototype for sms_schedule.
10506 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10507 * rtl.h: Remove the prototype for gcse_after_reload_main.
10509 * reg-stack.c (reg_to_stack): Make it static.
10510 * rtl.h: Remove the prototype for reg_to_stack.
10512 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10514 * rtl.h: Remove the prototypes for regrename_optimize and
10515 copyprop_hardreg_forward.
10517 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10519 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10520 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10521 Test against the appropriate null constant for the mode.
10522 If 'fixup_overlap' is true, swap the operands if they overlap.
10523 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10524 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10525 alpha_split_tmode_pair and adjust for above change.
10526 * config/alpha/alpha.md (movtf_internal): Adjust call to
10527 alpha_split_tfmode_pair and rely on it to swap the operands.
10528 (movti_internal): New insn and post-reload splitter.
10529 (movti): New expander.
10531 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10533 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10536 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10538 * rtlanal.c (global_reg_mentioned_p_1,
10539 global_reg_mentioned_p): Remove.
10540 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10542 * flow.c (initialize_uninitialized_subregs): Make it static.
10543 * rtl.h: Remove the prototype for
10544 initialize_uninitialized_subregs.
10546 * function.c (instantiate_virtual_regs): Make it static.
10547 * function.h: Remove the prototype for
10548 instantiate_virtual_regs.
10550 * regmove.c (regmove_optimize, combine_stack_adjustments):
10552 * rtl.h: Remove the prototypes for regmove_optimize and
10553 combine_stack_adjustments.
10555 2006-01-17 Roger Sayle <roger@eyesopen.com>
10557 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10558 (size_cost): Encode costs in bytes so that a reg-reg addition is
10559 equivalent to COSTS_N_INSNS(1).
10560 (override_options): Use the size_cost.branch_cost as the default
10561 ix86_branch_cost when optimizing for size.
10563 2006-01-18 Ben Elliston <bje@au.ibm.com>
10565 * Makefile.in (D32PBIT_FUNCS): New.
10566 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10567 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10568 D64PBIT_FUNCS and D128PBIT_FUNCS.
10569 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10570 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10572 (decnumber_dep): Define.
10573 * doc/libgcc.texi (Decimal float library routines): New node.
10574 * config/dfp-bit.h, config/dfp-bit.c: New files.
10576 2006-01-18 Ben Elliston <bje@au.ibm.com>
10578 * expr.c (emit_move_change_mode): Always adjust addresses, not
10579 just during reload. Copy replacements only during reload.
10580 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10581 emit_move_via_integer.
10583 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10585 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10586 instead of $(srcdir) and ${srcdir}.
10588 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10591 PR middle-end/11135
10592 * arm.h (struct machine_function): Add pic_reg.
10593 * arm.c (arm_pic_register): Make unsigned.
10594 (arm_override_options): Only set arm_pic_register if
10595 TARGET_SINGLE_PIC_BASE.
10596 (use_return_insn): Only test for a pic register if it is fixed.
10597 (arm_compute_save_reg0_reg12_mask): Likewise.
10598 (thumb_compute_save_reg_mask): Likewise.
10599 (legitimate_pic_operand): Factor out some known invariants.
10600 (legitimize_pic_address): If we don't have a fixed pic register,
10601 then set up a pseudo in the function entry sequence. Handle the
10602 pic base being in a pseudo.
10603 (arm_load_pic_register): Handle the pic register being in a pseudo.
10604 (arm_expand_prologue): Only set up the pic register if it is fixed.
10605 (thumb_expand_prologue): Likewise.
10606 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10607 (pic_load_addr_based_insn): Likewise.
10608 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10611 2006-01-18 Ben Elliston <bje@au.ibm.com>
10613 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10614 decimal float modes for all floating point registers.
10616 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10617 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10619 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10622 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10623 even when the pointer is not NULL.
10625 2006-01-16 Ian Lance Taylor <ian@airs.com>
10627 * common.opt (ftoplevel-reorder): New option.
10628 * cgraph.c (cgraph_asm_nodes): New global variable.
10629 (cgraph_asm_last_node): New static variable.
10630 (cgraph_order): New global variable.
10631 (cgraph_create_node): Set new order field.
10632 (cgraph_varpool_node): Likewise.
10633 (decide_is_variable_needed): Return true if not
10634 flag_toplevel_reorder.
10635 (cgraph_add_asm_node): New function.
10636 * cgraph.h (struct cgraph_node): Add order field.
10637 (struct cgraph_varpool_node): Add order field.
10638 (struct cgraph_asm_node): Define.
10639 (cgraph_asm_nodes, cgraph_order): Declare.
10640 (cgraph_add_asm_node): Declare.
10641 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10643 (cgraph_varpool_assemble_pending_decls): Call it.
10644 (cgraph_output_pending_asms): New static function.
10645 (cgraph_finalize_compilation_unit): Call it.
10646 (struct cgraph_order_sort): Define.
10647 (cgraph_output_in_order): New static function.
10648 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10649 !flag_toplevel_reorder case.
10650 * c-parser.c: Include "cgraph.h".
10651 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10653 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10654 than -fno-unit-at-a-time.
10655 * doc/invoke.texi (Option Summary): Mention
10656 -fno-toplevel-reorder.
10657 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10658 -funit-at-a-time documentation.
10660 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10661 Kazu Hirata <kazu@codesourcery.com>
10663 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10665 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10667 * Makefile.in (FUNCTION_H): New. Use it instead of
10668 function.h throughout the file.
10669 * function.h: Include tree.h.
10671 2006-01-17 Ben Elliston <bje@au.ibm.com>
10673 * recog.c: Separate some functions with whitespace.
10675 2006-01-16 Richard Henderson <rth@redhat.com>
10677 Merge from gomp branch:
10678 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10679 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10680 and rename from struct inline_data. Rename callee* to dst*;
10681 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10682 transform_new_cfg, transform_return_to_modify, and
10683 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10685 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10686 (copy_decl_for_dup): Remove.
10687 * tree-inline.c (struct inline_data): Move to header.
10688 (insert_decl_map): Export.
10689 (remap_decl): Update for member name changes. Use copy_decl hook.
10690 Allow for replacement to be a non-decl. Remove dead code.
10691 (remap_type_1): Check for existing mapping.
10692 (remap_type): Export.
10693 (remap_decls): Update for member name changes.
10694 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10695 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10696 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10697 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10698 (tree_function_versioning, build_duplicate_type): Likewise.
10699 (copy_body_r): Likewise. Export.
10700 (copy_decl_for_dup): Split into ...
10701 (copy_decl_for_dup_finish, copy_decl_to_var,
10702 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10703 (replace_ref_tree, inlining_p): Remove.
10705 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10707 * ifcvt.c (if_convert): Make it static.
10708 * rtl.h: Remove the prototype for if_convert.
10710 * local-alloc.c (local_alloc): Make it static.
10711 * rtl.h: Remove the prototype for local_alloc.
10713 * loop.c (loop_optimize): Make it static.
10714 * cfgloop.h: Remove the prototype for loop_optimize.
10717 2006-01-16 DJ Delorie <dj@redhat.com>
10719 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10722 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10724 * pa.md: Disparage copies between general and floating-point registers
10725 in 32-bit move patterns.
10727 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10730 * Makefile.in (check-%): Depend on site.exp instead of
10731 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10734 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10736 * global.c (global_alloc): Make it static.
10737 * rtl.h: Remove the prototype for global_alloc.
10739 2006-01-16 Richard Guenther <rguenther@suse.de>
10741 * tree-ssa-alias.c (struct used_part): Add write_only field.
10742 (get_or_create_used_part_for): Initialize it to true.
10743 (create_overlap_variables_for): Don't create structure variables
10744 for structures that only are written to.
10745 (find_used_portions): Handle MODIFY_EXPR to track whether a
10746 structure is only written to.
10748 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10750 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10752 * basic-block.h: Remove the prototype for
10753 partition_hot_cold_basic_blocks.
10755 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10757 * cppspec.c (lang_specific_spec_functions): Remove.
10758 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10759 * gcc.h (lang_specific_spec_functions): Remove.
10760 * gccspec.c (lang_specific_spec_functions): Remove.
10762 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10764 * combine.c (record_value_for_reg): Invalidate registers
10766 (record_dead_and_set_regs_1): Likewise, by passing them to
10767 record_value_for_reg.
10768 (record_dead_and_set_regs): Invalidate stores made by a
10769 call. We do not combine across a call, but we still
10770 relied on equivalences.
10772 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10774 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10775 vrp_int_const_binop returning non-constant nodes.
10777 2006-01-16 Paul Brook <paul@codesourcery.com>
10779 * config/m68k/m68k.c (output_move_const_into_data_reg):
10780 Output correct mnemonic for mvz and mvs.
10782 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10784 * rtl-factoring.c: Add sequence abstraction algorithm.
10785 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10786 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10788 (block_has_preserve_label): New function.
10789 * common.opt: Register new pass.
10790 * Makefile.in: Ditto.
10792 * timevar.def: Ditto.
10793 * tree-pass.h: Ditto.
10794 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10795 * rtl.h (make_jump_insn_raw): Add forward decl.
10796 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10798 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10799 Roger Sayle <roger@eyesopen.com>
10801 * fold-const.c (fold_minmax): New static function.
10802 (fold_binary) <MIN_EXPR>: Call it.
10803 <MAX_EXPR>: Likewise.
10804 * stor-layout.c (place_field): Use DECL_SIZE consistently
10805 in the computation of the new record size.
10807 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10809 * cse.c (cse_condition_code_reg): Make it static.
10810 * rtl.h: Remove the prototype for cse_condition_code_reg.
10812 * combine.c (combine_instructions): Make it static.
10813 * rtl.h: Remove the prototype for combine_instructions.
10815 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10818 * tree.c (get_file_function_name_long): Concatenate the first global
10819 object name with a string derived from the input filename of the object
10822 2006-01-16 Ben Elliston <bje@au.ibm.com>
10824 * config/i386/winnt-stubs.c: Update FSF address.
10825 * config/xtensa/ieee754-df.S: Ditto.
10826 * config/xtensa/ieee754-sf.S: Ditto.
10828 2006-01-14 Ian Lance Taylor <ian@airs.com>
10830 * ifcvt.c (noce_init_if_info): New static function, broken out of
10831 noce_process_if_block.
10832 (noce_process_if_block): Call noce_init_if_info.
10833 (check_cond_move_block): New static function.
10834 (cond_move_process_if_block): New static function.
10835 (process_if_block): Call cond_move_process_if_block.
10837 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10839 * cselib.c (hash_table): Rename to cselib_hash_table.
10840 (cselib_clear_table, discard_useless_values,
10841 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10842 cselib_init, cselib_finish): Adjust uses of hash_table.
10844 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10846 PR tree-optimization/25485
10847 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10848 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10849 is known to be false and true, respectively.
10851 2006-01-14 Richard Guenther <rguenther@suse.de>
10853 PR tree-optimization/22548
10854 PR tree-optimization/22555
10855 PR tree-optimization/22501
10856 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10857 * params.def (salias-max-array-elements): New parameter.
10858 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10859 * doc/invoke.texi (salias-max-array-elements): Document.
10860 * tree-flow-inline.h (var_can_have_subvars): We also handle
10862 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10864 * tree-ssa-structalias.c (params.h): Include.
10865 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10866 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10867 (get_constraint_for): For ADDR_EXPR operating on something
10868 containing an ARRAY_REF, add all subvars to the solution.
10869 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10870 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10871 for creating MUST_DEFs.
10872 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10874 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10876 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10878 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10879 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10880 number_of_iterations_le): New functions.
10881 (number_of_iterations_special): Removed.
10882 (number_of_iterations_exit): Do not use number_of_iterations_special.
10883 * tree.c (unsigned_type_for): Always return integer type.
10885 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10886 Richard Guenther <rguenther@suse.de>
10888 PR rtl-optimization/24257
10889 * gcse.c (find_moveable_store): Only consider a store movable
10890 when the SET_SRC of the insn can be assigned to a register.
10892 2006-01-14 Ian Lance Taylor <ian@airs.com>
10894 * tree.c (tree_not_class_check_failed): New function.
10895 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10896 (tree_not_class_check_failed): Declare.
10898 2006-01-13 Ian Lance Taylor <ian@airs.com>
10900 * reload1.c (do_output_reload): Add assertion rejecting a
10903 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10905 * combine.c (struct reg_stat): Add new fields truncation_label and
10907 (record_value_for_reg): Reset truncated_to_mode.
10908 (record_truncated_value): New function.
10909 (check_promoted_subreg): Call it. Rename to check_conversions.
10910 (combine_instructions): Rename check_promoted_subreg to
10912 (reg_truncated_to_mode): New function.
10913 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10914 (gen_lowpart_or_truncate): New function.
10915 (force_to_mode): Use it instead of gen_lowpart.
10917 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10919 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10920 VAR is a tag, not its type tag.
10922 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10924 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10925 alternatives to match style of other entries.
10926 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10928 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10930 PR tree-optimization/25771
10931 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10934 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10937 * tree-inline.c (declare_return_variable): If the return variable
10938 was marked as a non gimple complex, set the return slot variable
10939 to be a non gimple comple variable.
10941 2006-01-13 Richard Guenther <rguenther@suse.de>
10943 * builtins.c (expand_builtin_sincos): New function.
10944 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10946 (expand_builtin): Expand sincos using expand_builtin_sincos.
10948 2006-01-12 DJ Delorie <dj@redhat.com>
10950 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10951 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10952 so that constant shifts can be split.
10953 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10954 (m32c_valid_pointer_mode): Make static.
10955 (shift_gen_func_for): New.
10956 (m32c_prepare_shift): Use it. Split large const shifts into
10958 * config/m32c/predicates.md (shiftcount_operand): Allow more
10960 (longshiftcount_operand): New.
10961 * doc/md.texi (Machine Constraints): Document In6.
10963 2006-01-13 Ben Elliston <bje@au.ibm.com>
10965 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10966 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10969 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10971 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10972 to try to avoid clobbering pieces of structures when we know
10973 something about the whole structure.
10974 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10976 2006-01-13 Ben Elliston <bje@au.ibm.com>
10978 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10979 return in memory, as this is no limitation is no longer present.
10981 2006-01-12 DJ Delorie <dj@redhat.com>
10983 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10984 mova with fb, and for fb+0 -> An.
10986 * config/m32c/mov.md (peephole2): Fix enabling logic.
10988 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10989 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10990 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10991 FINI_ARRAY_SECTION_ASM_OP): Define.
10993 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10995 (m32c_legitimize_reload_address): New logic to reload FB to An.
10996 (m32c_output_reg_push): Add newline.
10997 (m32c_output_reg_pop): Likewise.
10999 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11001 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11003 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11005 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11007 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11009 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11012 2006-01-11 Ben Elliston <bje@au.ibm.com>
11014 * rtlanal.c (find_reg_note): Assert insn is not null.
11016 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11018 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11021 2006-01-11 Jeff Law <law@redhat.com>
11023 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11025 (mark_threaded_blocks, register_jump_thread): New functions.
11026 (thread_through_all_blocks): Remove unwanted argument. No
11027 longer rely on e->aux to communicate thread target info.
11028 Call mark_threaded_blocks. Release the threaded_blocks
11029 bitmap and threaded_edges vector when complete.
11030 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11031 (threaded_blocks): Remove.
11032 (tree_ssa_dominator_optimize): Remove initialization and
11033 finalization of threaded_blocks. Simplify call to
11034 thread_through_all_blocks.
11035 (thread_across_edge): Call register_jump_thread rather than
11036 storing thread information into e->aux.
11037 (free_all_edge_infos): Simplify now that e->aux is no longer
11038 used to communicate with thread_through_all_blocks.
11039 * tree-flow.h (thread_through_all_blocks): Update prototype.
11040 (register_jump_thread): Prototype.
11042 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11044 * df-core.c (df_compact_blocks, df_bb_replace): Use
11045 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11047 2006-01-11 Richard Guenther <rguenther@suse.de>
11049 PR tree-optimization/25734
11050 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11051 stop propagation after successful propagation to the LHS.
11053 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11055 * basic-block.h (control_flow_graph): Change the type of
11056 x_basic_block_info to VEC(basic_block,gc) *.
11057 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11059 (SET_BASIC_BLOCK): New.
11060 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11061 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11062 * cfgbuild.c (find_basic_blocks): Likewise.
11063 * cfglayout.c (fixup_reorder_chain): Likewise.
11064 * cfgrtl.c (create_basic_block_structure,
11065 rtl_create_basic_block): Likewise.
11066 * ifcvt.c (find_if_case_1): Likewise.
11067 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11070 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11072 * Makefile.in: Removed rotted odf.c entry.
11074 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11077 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11078 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11079 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11080 output pattern modifier, not %e.
11081 * config/cris/cris.c (cris_op_str): Update comment about pattern
11083 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11084 before falling through into...
11085 <case 'E'>: Redefined from old 'e' case.
11087 2006-01-11 Jan Hubicka <jh@suse.cz>
11090 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11092 2006-01-11 Jan Hubicka <jh@suse.cz>
11094 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11095 * i386.c (x86_decompose_lea): Kill.
11096 (ix86_rtx_costs): Kill.
11098 2006-01-11 Jan Hubicka <jh@suse.cz>
11100 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11101 * cgraph.h (cgraph_node): Add inline_decl.
11102 (cgraph_insert_node_to_hashtable): Declare.
11103 (save_inline_function_body): Declare.
11104 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11106 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11107 (cgraph_function_versioning): Update call of tree_function_versioning.
11108 (save_inline_function_body): New function.
11109 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11110 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11111 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11112 (cgraph_default_inline_p): Likewise.
11113 (cgraph_decide_inlining_incrementally): Likewise.
11114 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11115 (copy_bb): Kill saving; do updating of clones.
11116 (copy_cfg_body): Kill saving.
11117 (initialize_inlined-parameters): Likewise.
11118 (expand_call_inline): Likewise.
11120 (tree_function_versioning): New parameter "update_clones".
11121 (inlining_p): Kill saving.
11122 * tree-inline.h (tree_function_versioning): Update prototype.
11123 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11126 2006-01-11 Ian Lance Taylor <ian@airs.com>
11128 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11129 Allow undoing set of machine mode.
11130 (do_SUBST): Use enums instead of is_int.
11131 (do_SUBST_MODE): New function.
11132 (SUBST_MODE): New macro.
11133 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11134 reg and trying to replace reg_regno_rtx with a new register.
11135 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11136 (simplify_set): Use SUBST_MODE.
11137 (distribute_notes): Remove code that tried to update reg notes
11138 for regno_reg_rtx changes.
11140 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11142 PR tree-optimization/23109
11143 PR tree-optimization/23948
11144 PR tree-optimization/24123
11146 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11147 * tree-cfg.c (single_noncomplex_succ): New.
11148 * tree-flow.h (single_noncomplex_succ): Declare it.
11149 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11150 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11151 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11152 insert_bb, register_division_in, insert_reciprocals,
11153 replace_reciprocal, free_bb): New.
11154 (execute_cse_reciprocals_1): Rewritten.
11155 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11156 Do not commit any edge insertion. Always compute dominators and
11157 create the allocation pool.
11158 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11159 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11160 * targhooks.c (default_min_divistions_for_recip_mul): New.
11161 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11162 * passes.c (init_optimization_passes): Run recip after tree loop
11164 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11166 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11167 Kenneth Zadeck <zadeck@naturalbridge.com>
11169 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11170 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11171 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11172 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11173 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11174 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11175 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11176 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11177 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11178 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11179 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11180 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11181 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11182 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11183 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11184 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11185 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11186 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11187 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11188 DF_SCAN_POST_ALLOC): New macros.
11189 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11190 df_free_bb_function, df_local_compute_function, df_init_function,
11191 df_dataflow_function, df_confluence_function_0,
11192 df_confluence_function_n, df_transfer_function,
11193 df_finalizer_function, df_free_function, df_dump_problem_function,
11194 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11195 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11196 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11197 df_urec_bb_info, ) New types.
11198 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11200 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11201 df_analyze_simple_change_some_blocks,
11202 df_analyze_simple_change_one_block, df_compact_blocks,
11203 df_bb_replace, df_bb_regno_last_use_find,
11204 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11205 df_insn_regno_def_p, df_find_def, df_find_use,
11206 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11207 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11208 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11209 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11210 debug_df_chain, df_get_dependent_problem, df_chain_create,
11211 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11212 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11213 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11214 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11215 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11216 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11217 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11218 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11219 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11220 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11221 df_reorganize_refs, df_set_state, df_hard_reg_init,
11222 df_read_modify_subreg_p) New public functions.
11223 * df-core.c: The core dataflow solver and glue routines for rtl
11225 (df_init, df_add_problem, df_set_blocks, df_finish,
11226 df_hybrid_search_forward, df_hybrid_search_backward,
11227 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11228 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11229 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11230 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11231 df_reg_defined, df_find_use, df_reg_used, df_dump,
11232 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11233 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11234 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11235 debug_df_useno, reset_df_after_reload): New functions.
11236 * df-scan.c: The scanning fuctions, once in df.c, completely
11237 rewritten so that they now fully model the functionality of
11238 register usage at the backend.
11239 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11240 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11241 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11242 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11243 df_get_artificial_defs, df_get_artificial_uses,
11244 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11245 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11246 df_refs_delete, df_reorganize_refs, df_set_state,
11247 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11248 df_def_record_1, df_defs_record, df_uses_record,
11249 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11250 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11251 df_record_exit_block_uses, df_hard_reg_init): New functions.
11253 * df-problems.c: Seven concrete dataflow problems that use the
11254 scanning in df-scan.c and are solved by the engine in df-core.c.
11255 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11256 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11257 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11258 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11259 df_ru_free_bb_info, df_ru_alloc,
11260 df_ru_bb_local_compute_process_def,
11261 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11262 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11263 df_ru_transfer_function, df_ru_free, df_ru_dump,
11264 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11265 df_rd_free_bb_info, df_rd_alloc,
11266 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11267 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11268 df_rd_transfer_function, df_rd_free, df_rd_dump,
11269 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11270 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11271 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11272 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11273 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11274 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11275 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11276 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11277 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11278 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11279 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11280 df_urec_mark_reg_use_for_earlyclobber,
11281 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11282 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11283 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11284 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11285 df_chain_create_bb_process_use, df_chain_create_bb,
11286 df_chain_finalize, df_chain_free, df_chains_dump,
11287 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11288 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11289 df_reg_lifetime): New functions.
11290 * df.c: Deleted file.
11291 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11292 consistent with new df api.
11293 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11294 rest_of_handle_sms): Ditto.
11295 * web.c (unionfind_union, union_defs, entry_register, web_main):
11297 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11298 invariant_expr_equal_p, find_defs, check_dependencies,
11299 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11300 free_inv_motion_data, move_loop_invariants): Ditto.
11301 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11302 Update dependencies.
11303 (odf.c): Added defective entry that was deleted later in day.
11304 * sched-deps.c (sched_analyze_1): Ditto.
11306 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11308 * tree-ssa-operands.c (get_expr_operands): Record addressable
11309 variables directly. Do not call add_stmt_operands for CONST_DECLs
11311 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11312 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11314 2006-01-11 Ben Elliston <bje@au.ibm.com>
11316 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11317 function returns true in the positive case.
11319 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11322 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11323 for SI, DI, SF and DF modes. Add alternatives to copy between
11324 general and floating point registers to the 32-bit patterns.
11325 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11326 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11327 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11328 generating 64-bit code.
11329 * config/pa/pa.c (output_move_double): Handle copies between general
11330 and floating registers.
11332 2006-01-10 Stuart Hastings <stuart@apple.com>
11334 * config/i386/i386.md (set_got): Update.
11335 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11336 (builtin_setjmp_receiver): Mach-O support.
11337 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11338 (GOT_SYMBOL_NAME): Define.
11339 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11340 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11341 * config/i386/i386.c (override_options): Revise for Darwin.
11342 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11343 support. (darwin_x86_file_end): New. (output_set_got): Add label
11344 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11345 * config/i386/i386-protos.h (output_set_got): Likewise.
11346 * config/darwin.c (machopic_legitimize_pic_address): Update
11349 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11351 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11352 when MODE isn't BLKmode.
11354 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11356 PR rtl-optimization/25367
11357 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11359 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11362 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11363 for a negative bound.
11365 2006-01-10 Richard Guenther <rguenther@suse.de>
11367 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11368 Never override with anything constraint.
11370 2006-01-10 Jan Beulich <jbeulich@novell.com>
11372 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11373 256 bits when optimize_size.
11375 2006-01-10 Jan Beulich <jbeulich@novell.com>
11377 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11379 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11380 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11383 2006-01-10 Ben Elliston <bje@au.ibm.com>
11385 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11387 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11388 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11389 (USE_FP_FOR_ARG): Reject decimal float modes.
11390 (function_arg_advance): Likewise.
11391 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11392 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11393 point types in AltiVec vectors.
11394 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11395 (rs6000_libcall_value): Likewise.
11397 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11399 * config/xtensa/ieee754-df.S: New file.
11400 * config/xtensa/ieee754-sf.S: New file.
11401 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11402 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11403 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11405 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11407 * config/sh/predicates.md (binary_float_operator,
11408 binary_logical_operator, commutative_float_operator,
11409 equality_comparison_operator, greater_comparison_operator,
11410 less_comparison_operator, logical_operator,
11411 noncommutative_float_operator, shift_operator,
11412 symbol_ref_operand, unary_float_operator): Remove redundant
11415 2006-01-09 Jeff Law <law@redhat.com>
11417 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11418 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11419 now unused arguments. Callers updated.
11420 (eliminate_redundant_computations): Remove now unused arguments,
11422 (local_fold): Remove, no longer used.
11423 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11425 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11426 (simplify_cond): New function.
11427 (forward_propagate_into_cond): Call simplify_cond.
11429 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11431 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11432 (*vec_extractv2di_1_sse): New.
11434 2006-01-09 Ben Elliston <bje@au.ibm.com>
11436 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11438 2006-01-08 Richard Guenther <rguenther@suse.de>
11440 * tree-ssa-structalias.c (get_constraint_for): Remove
11441 anyoffset argument.
11442 (get_constraint_for_component_ref): Likewise.
11443 (do_deref): Likewise.
11444 (get_constraint_for): Likewise.
11445 (do_structure_copy): Likewise.
11446 (handle_ptr_arith): Likewise.
11447 (find_func_aliases): Likewise. Remove unused need_anyoffset
11450 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11451 Kaz Kojima <kkojima@gcc.gnu.org>
11453 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11454 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11455 (EXTRA_CONSTRAINT_C16): Remove.
11456 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11457 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11458 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11459 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11460 constants of SHmedia. Handle nested constant expressions of
11462 (andcosts): Fix the costs for SHmedia constants.
11463 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11464 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11465 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11466 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11467 (movv4hi_i, movv2si_i): Likewise.
11468 (movsi_const): Adjust the second operand of ior so to match with
11469 the Csu constraint.
11470 (movdi_const, movdi_const_32bit): Likewise.
11471 (movdi_const_16bit+1): Don't sign-extend LOW.
11472 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11474 (*double_shori): Fix the split condition. Use GEN_INT instead
11475 of get_int_mode calls. Mask lower 16-bit of the argument of
11477 (sym2GOTPLT): Remove.
11478 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11480 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11481 instead of EXTRA_CONSTRAINT_C16.
11483 2006-01-07 Ian Lance Taylor <ian@airs.com>
11484 David Edelsohn <edelsohn@gnu.org>
11486 PR rtl-optimization/25662
11487 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11488 for constant operands instead of simplify_gen_binary.
11489 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11490 after trying simplify_binary_operation
11492 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11494 * tree.c (iterative_hash_expr): Hash decls based on UID.
11496 2006-01-06 Eric Christopher <echristo@apple.com>
11498 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11499 (TARGET_UNWIND_EMIT): Fix spelling.
11500 * target.h (gcc_target): Add except_table_label.
11501 * except.c (output_function_exception_table): Use.
11502 * varasm.c (default_emit_except_table_label): New.
11503 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11505 (asm_out): Add here.
11506 * output.h (default_emit_except_table_label): Prototype.
11507 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11508 * config/darwin.c (darwin_emit_except_table_label): Define.
11509 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11511 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11513 PR tree-optimization/18527
11514 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11515 number_of_iterations_special, number_of_iterations_exit):
11516 Move base and step of an iv to a single structure. Add
11517 no_overflow flag, and use it in # of iterations analysis.
11518 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11519 folded_casts argument.
11520 (simple_iv): Pass base and step in a structure. Set no_overflow
11522 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11523 Evaluate expensiveness of computing # of iterations instead of
11524 the final expression.
11525 * tree-scalar-evolution.h (affine_iv): New structure.
11526 (simple_iv): Declaration changed.
11527 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11528 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11529 find_givs_in_stmt): Changed due to simple_iv change.
11531 2006-01-06 Jeff Law <law@redhat.com>
11534 * tree-cfg.c (bsi_replace): Rename final argument from
11535 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11536 change (stmt -> orig_stmt).
11537 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11538 (bsi_remove): Add new argument. Remove EH information
11540 (verify_eh_throw_table_statements): New function.
11541 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11543 * tree-optimize.c (execute_free_cfg_annotations): Verify
11544 the EH throw statement table after removing annotations.
11545 * except.h (verify_eh_throw_table_statements): Prototype.
11546 * tree-flow.h (bsi_remove): Update prototype.
11547 * tree-vrp.c (remove_range_assertions): Add new argument to
11549 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11550 * tree-complex.c (expand_complex_div_wide): Likewise.
11551 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11552 * tree-tailcall.c (eliminate_tailcall): Likewise.
11553 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11554 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11555 * tree-nrv.c (tree_nrv): Likewise.
11556 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11557 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11558 (combine_blocks): Likewise.
11559 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11560 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11561 (cleanup_control_flow): Likewise.
11562 (remove_forwarder_block): Likewise.
11563 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11564 * tree-sra.c (sra_replace): Likewise.
11565 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11566 (forward_propagate_single_use_vars): Likewise.
11567 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11568 * tree-inline.c (expand_call_inline): Likewise.
11569 * tree-vect-transform.c (vect_transform_loop): Likewise.
11570 * tree-outof-ssa.c (rewrite_trees): Likewise.
11571 * tree-cfg.c (make_goto_expr_edges): Likewise.
11572 (cleanup_dead_labels): Likewise.
11573 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11574 (bsi_move_before, bsi_move_after): Likewise.
11575 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11576 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11578 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11581 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11583 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11584 on non gimple variables. Also add checks at the top for decls and
11586 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11588 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11589 and IMAGPART_EXPR for creating MUST_DEFs.
11590 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11591 and NAME_MEMORY_TAG separately from the DECLs.
11593 2006-01-06 Richard Guenther <rguenther@suse.de>
11595 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11596 annotation, if necessary.
11597 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11598 redundant calls to update_stmt.
11599 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11602 2006-01-05 Richard Henderson <rth@redhat.com>
11604 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11606 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11608 * c-typeck.c: Update copyright date.
11610 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11612 * c-typeck.c (build_c_cast): Always warn when casting
11613 from a pointer to an integer of different size, even if
11614 the node was constant.
11616 2006-01-05 Richard Guenther <rguenther@suse.de>
11618 PR tree-optimization/22555
11619 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11620 if one structure field is an array.
11621 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11622 operands even if we found a subvar, but ignore VOPs in this
11624 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11626 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11628 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11630 PR middle-end/24998
11631 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11633 2006-01-05 Richard Guenther <rguenther@suse.de>
11634 Diego Novillo <dnovillo@redhat.com>
11636 * tree-pass.h (TODO_remove_unused_locals): Define.
11637 * gimple-low.c (expand_var_p, remove_useless_vars,
11638 pass_remove_useless_vars): Remove. Update all users.
11639 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11640 (remove_unused_locals): New function.
11641 * tree-flow.h (remove_unused_locals): Declare.
11642 * passes.c (execute_todo): Call remove_unused_locals if
11643 TODO_remove_unused_locals is set.
11644 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11645 * tree-ssa-dce.c (pass_dce): Likewise.
11646 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11648 2006-01-05 Richard Guenther <rguenther@suse.de>
11650 * tree-flow.h (struct fieldoff): Decompose field to
11651 type, size and decl.
11652 * tree-ssa-alias.c (create_sft): Take type as parameter.
11653 (create_overlap_variables_for): Store type, size and decl
11654 in the fieldoff structure.
11655 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11656 of struct fieldoff.
11657 (push_fields_onto_fieldstack): Likewise.
11658 (create_variable_info_for): Likewise. Use offset for the
11659 SFT name if the decl is not available.
11661 2006-01-04 Paul Brook <paul@codesourcery.com>
11663 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11665 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11667 * lambda-code.c (can_put_in_inner_loop): Relax
11669 (can_put_after_inner_loop): New function.
11670 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11671 (perfect_nestify): Change to make copies and modify uses.
11673 2006-01-04 Richard Henderson <rth@redhat.com>
11675 Merge from gomp branch:
11676 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11677 via integer constant.
11678 (pragma_lex): Remove.
11679 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11680 rather than parsing it.
11681 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11682 handle_pragma_extern_prefix): Add %< %> quotes.
11683 (registered_pragmas): New.
11684 (c_register_pragma_1): New.
11685 (c_register_pragma): Use it.
11686 (c_register_pragma_with_expansion): Likewise.
11687 (c_invoke_pragma_handler): New.
11688 (init_pragma): Use cpp_register_deferred_pragma directly for
11690 * c-pragma.h (enum pragma_kind): New.
11691 (pragma_handler): New.
11692 (c_invoke_pragma_handler): Declare.
11693 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11695 * c-common.h (c_common_pch_pragma): Update decl.
11696 * Makefile.in (c-parser.o): Update dependencies.
11697 (GTFILES): Add c-pragma.h.
11698 * c-parser.c (struct c_token): Add pragma_kind.
11699 (struct c_parser): Add in_pragma.
11700 (c_lex_one_token): Always initialize keyword and pragma_kind.
11701 Extract data for CPP_PRAGMA.
11702 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11703 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11704 Don't allow CPP_PRAGMA_EOL if in_pragma.
11705 (c_parser_consume_pragma): New.
11706 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11707 (c_parser_skip_to_end_of_parameter): Likewise.
11708 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11709 (c_parser_skip_to_pragma_eol): New.
11710 (c_parser_external_declaration): Handle CPP_PRAGMA.
11711 (c_parser_compound_statement_nostart): Likewise.
11712 (c_parser_statement_after_labels): Likewise.
11713 (c_parser_pragma): New.
11714 (pragma_lex): Likewise.
11715 (c_parser_pragma_pch_preprocess): New.
11716 (c_parser_new): Merge into ...
11717 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11719 2006-01-04 Jeff Law <law@redhat.com>
11722 * tree-cfg.c (bsi_replace): Remove the original statement
11723 from the EH throw statement table.
11725 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11727 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11728 make the prototype extern "C" and add throw ().
11731 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11732 and pos non-negative and pos + len <= 32.
11733 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11734 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11735 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11738 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11739 as well as sizes not multiple of component size.
11742 * function.c (instantiate_expr): New function.
11743 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11744 walk its DECL_VALUE_EXPR with instantiate_expr.
11746 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11747 DW_OP_deref{,_size} if address isn't going to be added.
11749 2006-01-04 Ben Elliston <bje@au.ibm.com>
11751 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11752 * config/fp-bit.c: Likewise.
11754 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11756 * dominance.c: Add comment about why we use DFS numbering
11759 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11760 Richard Henderson <rth@redhat.com>
11762 Merge from gomp-branch:
11763 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11764 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11766 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11768 PR rtl-optimization/25578
11769 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11770 pass a parameter to simplify_shift_const if changing ASHIFTRT
11773 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11775 * builtins.c (get_builtin_sync_mem): New function.
11776 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11777 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11778 Call get_builtin_sync_mem to generate mem rtx.
11780 2006-01-03 Richard Guenther <rguenther@suse.de>
11783 * stmt.c (add_case_node): Make sure to clear overflow flags
11786 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11788 Merge from gomp-branch.
11789 * config/sparc/sync.md: New file.
11790 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11791 UNSPECV_LDSTUB): New constants.
11792 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11793 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11794 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11797 2006-01-03 Roger Sayle <roger@eyesopen.com>
11799 * combine.c (reg_subword_p): New predicate to test whether the
11800 destination of a set refers to a subword/piece of a register.
11801 (try_combine): Generalize the code to merge the setting of a
11802 pseudo to a constant followed by a set of a subword of that
11803 register to a constant.
11805 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11807 * basic-block.h (control_flow_graph): Change the type of
11808 x_label_to_block_map to VEC(basic_block,gc) *.
11809 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11810 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11812 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11813 VEC(basic_block,heap) *.
11814 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11815 ssa_prop_fini): Adjust the uses of cfg_blocks.
11817 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11819 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11821 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11822 hashing trees instead of a pointer hash.
11823 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11824 compare for MEM_EXPR.
11826 PR rtl-optimization/25130
11827 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11828 when comparing MEMs for GCSE
11830 2006-01-03 Ben Elliston <bje@au.ibm.com>
11832 * targhooks.h (default_decimal_float_supported_p): Declare.
11833 * targhooks.c (default_decimal_float_supported_p): Define.
11834 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11835 `default_decimal_float_supported_p'.
11836 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11838 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11840 * combine.c (apply_distributive_law <SUBREG>): Check
11841 TRULY_NOOP_TRUNCATION.
11843 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11845 * dwarf2out.c (have_switched_text_section): Delete.
11846 (have_multiple_function_sections): New.
11847 (have_location_lists): Make 'bool'.
11848 (add_AT_loc_list): Use 'true' not '1'.
11849 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11850 (output_loc_list): Use have_multiple_function_sections.
11851 (output_ranges): Likewise.
11852 (dwarf2out_begin_function): Set have_multiple_function_sections if
11854 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11855 Check function_section rather than DECL_SECTION_NAME.
11856 (dwarf2out_finish): Use have_multiple_function_sections.
11857 Don't clear have_location_lists.
11859 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11860 Jan Hubicka <jh@suse.cz>
11862 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11863 case of conditional jump jumping to the next instruction.
11864 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11865 cases of conditional jump jumping to the next instruction.
11867 2006-01-02 Jan Hubicka <jh@suse.cz>
11869 * i386.c (*_cost): Add COSTS_N_INSNS.
11870 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11872 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11875 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11877 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11879 * config/arm/arm.c (all_fpus): Fix comment typo.
11880 * config/darwin.c: Likewise.
11881 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11882 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11883 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11885 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11887 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11888 (rs6000_split_compare_and_swapqhi): New.
11889 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11890 (sync_compare_and_swapqhi_internal): New.
11891 * config/rs6000/rs6000-protos.h: Declare.