1 2006-05-31 Roger Sayle <roger@eyesopen.com>
3 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11 * config/bfin/bfin.c (basic-block.h): Include.
12 (struct machine_function): New.
13 (bfin_init_machine_status): New.
14 (override_options): Initialize init_machine_status.
15 (bfin_hardware_loop): New.
16 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
17 (DEF_VEC_P (loop_info)): New.
18 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
19 (struct loop_info): New.
20 (loop_info): New typedef.
21 (struct loop_work): New.
22 (loop_work): New typedef.
23 (DEF_VEC_O (loop_work)): New.
24 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
25 (bfin_dump_loops): New.
26 (bfin_bb_in_loop): New.
27 (bfin_scan_loop): New.
28 (bfin_optimize_loop): New.
29 (bfin_reorg_loops): New.
30 (bfin_reorg): Use bfin_reorg_loops.
31 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
33 (I_REGNO_P): Simplify.
34 (DP_REGNO_P, DPREG_P): New macros.
35 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
36 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
37 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
38 Add LT_REGS, LC_REGS, LB_REGS.
39 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
41 (REGNO_REG_CLASS): Deal with loop registers.
42 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
44 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
45 New constants for loop registers.
46 (UNSPEC_LSETUP_END): New.
47 (seq_insns): New define_attr. Set it for appropriate insns.
48 (movsi_insn): Add alternatives for move from/to
50 (doloop_end): New define_expand.
51 (loop_end): New define_insn.
52 (define_split for bad doloop_end): New.
53 (lsetup_with_autoinit): New define_insn.
54 (lsetup_without_autoinit): New define_insn.
55 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
56 * config/bfin/predicates.md (lc_register_operand): New.
57 (lt_register_operand): New.
58 (lb_register_operand): New.
59 (nondp_register_operand): New.
60 (nondp_reg_or_memory_operand): New.
61 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
63 2006-05-31 Jie Zhang <jie.zhang@analog.com>
65 * config/bfin/bfin.c (bfin_delegitimize_address): New.
66 (TARGET_DELEGITIMIZE_ADDRESS): Define.
68 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
70 * Makefile.in (CATALOGS): Add po/ prefix.
71 * configure: Regenerated.
73 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
76 * arm.c (arm_print_operand case 'S'): Validate that the operand is
77 a shift operand before calling shift_op. Avoid redundant call of
80 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
81 DJ Delorie <dj@redhat.com>
83 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
84 we're inserting is a singlt-bit constant.
86 2006-05-30 Roger Sayle <roger@eyesopen.com>
88 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
89 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
91 2006-05-30 Roger Sayle <roger@eyesopen.com>
93 PR tree-optimization/23452
94 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
95 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
96 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
97 complex values and with -ffast-math for FP complex values.
99 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
101 * c-common.h: Remove the prototype for yyparse.
102 * rtl.h: Remove the prototype for init_loop.
104 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
106 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
109 2006-05-30 Roger Sayle <roger@eyesopen.com>
111 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
113 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
114 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
116 2006-05-30 Dirk Mueller <dmueller@suse.de>
119 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
120 for CONSTANT_CLASS_P expresisons.
122 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
125 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
127 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
129 PR tree-optimization/27779
130 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
131 initial_condition instead of CHREC_LEFT.
133 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
135 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
136 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
137 Make prototypes ISO C90.
139 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
140 Leehod Baruch <leehod.baruch@weizmann.ac.il>
142 * see.c (see_analyze_one_def): Correct check.
143 (see_get_extension_data): Check if extension is parallel.
144 (see_get_extension_reg): Likewise.
146 2006-05-30 Uros Bizjak <uros@kss-loka.si>
149 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
150 into register for (code == GTU).
152 2006-05-29 Roger Sayle <roger@eyesopen.com>
154 PR tree-optimization/24964
155 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
156 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
157 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
158 abs(x)*abs(x) as x*x for scalar floating point modes.
160 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
163 * lambda-code.c (perfect_nestify): Don't copy statements
164 in the inner loop: move them to the inner loop header.
166 2006-05-29 Diego Novillo <dnovillo@redhat.com>
169 * c-tree.texi: Document OpenMP directives and clauses.
171 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
173 * varasm.c (globalize_decl): Fix indentation.
175 2006-05-29 Diego Novillo <dnovillo@redhat.com>
178 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
179 pass_fre, pass_store_ccp, pass_copy_prop,
180 pass_store_copy_prop, pass_merge_phi, pass_nrv,
181 pass_return_slot, pass_object_size, pass_lim,
182 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
183 pass_loop_prefetch and pass_stdarg.
185 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
187 * config/bfin/bfin.opt (mfdpic): New option.
188 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
189 (EXTRA_MULTILIB_PARTS): Likewise.
190 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
191 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
193 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
194 (CRT_CALL_STATIC_FUNCTION): New.
195 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
197 (CRT_CALL_STATIC_FUNCTION): New.
198 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
200 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
201 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
202 (initialize_trampoline): Changed to handle FD-PIC code generation.
203 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
204 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
205 (override_options): Disallow -mid-shared-library -mfdpic combination.
206 Can't do unaligned ops if FD-PIC.
207 Turn off flag_pic if trying to generate non-id-shared-library
208 non-fdpic code, since it's not supported.
209 (bfin_assemble_integer): New function.
210 (TARGET_ASM_INTEGER): Define.
211 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
213 * config/bfin/crtn.s: Restore them.
214 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
216 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
217 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
218 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
219 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
220 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
222 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
223 FDPIC_REGS and FDPIC_FPTR_REGS.
224 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
225 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
226 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
227 (load_funcdescsi): New pattern.
228 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
229 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
230 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
232 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
234 * gcse.c, rtlanal.c: Remove obsolete comments associated with
237 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
239 * tree-flow.h: Remove the prototype for add_type_alias.
240 * tree-ssa-alias.c (add_type_alias): Remove.
242 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
244 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
245 config/fr30/fr30.md, config/i386/i386-interix.h,
246 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
247 config/sh/superh64.h, config/v850/v850.c, df-core.c,
248 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
249 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
250 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
251 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
252 Follow spelling conventions.
253 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
254 Follow spelling conventions.
256 2006-05-27 Richard Guenther <rguenther@suse.de>
259 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
260 to produce a constant of value 1 of generic type.
262 2006-05-27 Dirk Mueller <dmueller@suse.de>
264 * cgraphunit.c (decide_is_function_needed): Fix wrong
267 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
269 PR rtl-optimization/27661
270 * reload.c (find_reloads): When reloading a VOIDmode constant
271 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
272 use Pmode as mode of the reload register.
274 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
276 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
277 is enabled at -O and above.
279 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
282 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
285 2006-05-25 Mark Mitchell <mark@codesourcery.com>
288 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
289 for anonymous variables explicitly declared by front ends.
291 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
293 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
294 (struct alias_info): Add new field ref_all_symbol_mem_tag.
295 * tree-ssa-alias.c (compute_may_aliases): If the program contains
296 ref-all pointers, run a finalization pass for them.
297 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
298 (finalize_ref_all_pointers): New function.
299 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
300 regular pointer type to a ref-all pointer type.
301 (get_tmt_for): Return the special memory tag for ref-all pointers.
303 2006-05-25 Richard Guenther <rguenther@suse.de>
306 * fold-const.c (fold_binary): Do not look at the stripped
307 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
309 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
311 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
312 for LT and GT if the computed range is effectively empty.
314 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
317 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
318 mips_quad_format formats instead of ieee_single_format,
319 ieee_double_format and ieee_quad_format formats, respectively.
321 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
323 PR tree-optimization/27639
324 PR tree-optimization/26719
325 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
326 call to scev_probably_wraps_p.
327 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
328 used_in_pointer_arithmetic_p, convert_step): Removed.
329 (nowrap_type_p): New function.
330 (scev_probably_wraps_p): Rewritten.
331 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
332 chrec_convert if chrec_convert_aggressive might have been used.
333 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
334 scev_direction): New functions.
335 (chrec_convert): Changed to a wrapper over chrec_convert_1.
336 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
337 instead of convert_step.
338 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
339 (convert_step): Declaration removed.
340 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
342 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
344 * df-core.c: Added to header comments.
345 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
346 df_ur_bb_info, df_urec_bb_info): Added comments.
347 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
348 urec, ri problems): Fixed header comments.
349 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
350 code from df_rd_transfer_function.
352 2006-05-23 Richard Sandiford <richard@codesourcery.com>
354 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
355 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
356 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
358 2006-05-23 Joseph Myers <joseph@codesourcery.com>
360 * expr.c (undefined_operand_subword_p): New.
361 (emit_move_multi_word): Do not generate move from undefined bits
362 of a paradoxical subreg.
364 2006-05-23 Richard Sandiford <richard@codesourcery.com>
366 PR rtl-optimization/27736
367 * combine.c (replaced_rhs_value): New variable.
368 (combine_instructions): Set it.
369 (distribute_notes): When distributing a note in replaced_rhs_insn,
370 check whether the value was used in replaced_rhs_value.
372 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
375 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
376 add_referenced_var instead of add_referenced_tmp_var.
377 * tree-complex.c (create_one_component_var): Use add_referenced_var.
378 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
380 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
381 tree_optimize_tail_calls_1): Use add_referenced_var.
382 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
383 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
384 Use add_referenced_var.
385 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
386 * gimplify.c (force_gimple_operand): Use add_referenced_var.
387 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
388 Use add_referenced_var.
389 * tree-dfa.c (struct walk_state): Remove.
390 (find_referenced_vars): Remove walk state and vars_found hash table.
391 (make_rename_temp): Use add_referenced_var.
392 (find_vars_r): Pass less parameters to add_referenced_var.
393 (referenced_var_p): New. Is var in referenced_var hash table.
394 (referenced_var_insert): Assert var isn't already in hash table.
395 (add_referenced_var): Don't need walk_state parameter. Add var if it
396 isn't already in the hash table.
397 (add_referenced_tmp_var): Remove.
398 (find_new_referenced_vars_1): Use add_referenced_var.
399 * tree-ssa-pre.c (create_expression_by_pieces,
400 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
401 Use add_referenced_var.
402 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
403 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
404 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
406 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
407 vect_create_data_ref_ptr, vect_create_destination_var,
408 vect_init_vector, vect_build_loop_niters,
409 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
410 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
411 Use add_referenced_var.
412 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
413 * tree-flow.h (add_referenced_tmp_var): Remove prototype
414 (add_referenced_var): Add prototype.
415 * tree-ssa-structalias.c (get_constraint_for,
416 intra_create_variable_infos): Use add_referenced_var.
418 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
420 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
421 big-endian paradoxical subregs.
422 * var-tracking.c (struct micro_operation_def): Document that,
423 for modify micro operations, insn is the subsequent instruction.
424 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
425 (var_reg_set, var_mem_set): ... new functions.
426 (add_stores): Record subsequent insn.
427 (compute_bb_dataflow): Use new functions for MO_USE.
428 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
429 notes after the insn, and modify notes before the insn known
430 to be the subsequent one.
431 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
433 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
436 * config/i386/i386.c (ix86_expand_builtin): Use
437 gen_sse3_monitor64 for TARGET_64BIT.
439 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
441 PR rtl-optimization/26375
442 PR rtl-optimization/26855
443 * df-problems (df_ru_bb_local_compute_process_def): Removed update
445 (df_ru_bb_local_compute): Reversed statements and removed bogus
446 comment explaining why they should be in wrong order.
447 (df_ru_dump, df_rd_dump): Enhanced debug info.
448 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
450 * ddg.c (add_deps_for_def): Converted use of reaching defs to
451 reaching uses and fixed space problem.
453 2006-05-23 Jan Hubicka <jh@suse.cz>
455 * cgraphunit.c (decide_is_function_needed): Also nested functions
456 and functions declared inline can be optimized out at -O0.
458 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
460 * doc/install.texi (Configuration): Remove reference to CrossGCC
461 FAQ which was hijacked.
464 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
467 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
468 ix86_compare_emitted is non-NULL.
470 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
473 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
476 2006-05-22 Richard Sandiford <richard@codesourcery.com>
478 PR rtl-optimization/25514
479 * combine.c (replaced_rhs_insn): New variable.
480 (combine_instructions): Set replaced_rhs_insn when trying to replace
481 a SET_SRC with a REG_EQUAL note.
482 (distribute_notes): Use replaced_rhs_insn when determining the live
483 range of a REG_DEAD register.
485 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
486 Anatoly Sokolov <aesok@post.ru>
488 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
489 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
490 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
491 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
492 atmega3290, atmega649, atmega6490, atmega406, atmega640,
493 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
494 at90usb647, at90usb1286 and at90usb1287 devices.
495 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
496 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
498 2006-05-22 Richard Sandiford <richard@codesourcery.com>
500 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
502 2006-05-22 Richard Guenther <rguenther@suse.de>
505 2006-01-31 Richard Guenther <rguenther@suse.de>
506 Paolo Bonzini <bonzini@gnu.org>
508 * doc/install.texi (--disable-libgcc-math): Document.
510 2006-05-22 Richard Guenther <rguenther@suse.de>
513 2006-01-31 Richard Guenther <rguenther@suse.de>
515 * doc/invoke.texi (-msselibm): Document.
516 * target.h (expand_library_builtin): New target hook.
517 * builtins.c (expand_builtin): Use expand_library_builtin.
518 (default_expand_library_builtin): New function.
519 * gcc.c (LINK_GCC_MATH_SPEC): Define.
520 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
521 (link_gcc_math_spec): Declare.
522 (static_specs): Add link_gcc_math_spec.
523 * expr.h (default_expand_library_builtin): Declare.
524 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
525 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
526 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
527 * config/i386/i386.opt (msselibm): New target option.
528 * config/i386/i386.c (ix86_builtin_function_variants): New array.
529 (ix86_init_sse_abi_builtins): New function.
530 (ix86_expand_library_builtin): Likewise.
531 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
532 (override_options): Handle error conditions wrt -msselibm.
533 (ix86_builtins): Add function codes for SSE2 ABI builtins.
534 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
535 * doc/extend.texi (__builtin_sse2_*): Document new target specific
538 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
541 * c-common.c (self_promoting_args_p): Skip erroneous args.
544 * c-decl.c (finish_struct): Skip erroneous fields.
546 2006-05-22 Nick Clifton <nickc@redhat.com>
548 * config/cris/cris.opt (march): Remove VarExists attribute.
549 (max-stackframe=): Likewise.
551 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
553 * doc/rtl.texi: Fix a typo.
554 * see.c: Fix comment typos.
556 * tree-ssa-structalias.h (alias_info): Remove num_references.
558 2006-05-21 Mike Stump <mrs@apple.com>
560 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
562 (darwin_pragma_options): Use BAD instead.
563 (darwin_pragma_unused): Likewise.
564 (darwin_pragma_ms_struct): Likewise.
566 2006-05-21 David Edelsohn <edelsohn@gnu.org>
568 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
570 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
572 PR rtl-optimization/27671
573 * simplify-rtx.c (simplify_relational_operation_1): Fix
574 simplifications of (eq/ne (xor x y) y) and
577 PR tree-optimization/26622.
578 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
581 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
583 * tree-cfg.c: Prune whitespace.
584 (debug_tree_cfg): Point to correct header containing the
587 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
590 * cgraphunit.c (verify_cgraph_node): Typo in error message.
592 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
595 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
596 or sorry count is non zero.
598 2006-05-20 Andreas Schwab <schwab@suse.de>
600 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
602 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
603 Kenneth Zadeck <zadeck@naturalbridge.com>
605 PR rtl-optimization/26855
607 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
609 (df_scan_alloc): Added code to properly handle multiword hard
610 registers and add all_blocks parameter.
611 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
612 code to properly handle multiword hard registers.
613 (df_rescan_blocks): Added code to remove deleted blocks from
615 (df_ref_create_structure, df_ref_record): Added code to properly
617 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
618 and set DF_REF_PARTIAL.
619 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
620 (df_uses_record): Added DF_REF_PARTIAL for subreg.
621 (df_scan_add_problem): Added flags parameter.
622 (df_ref_create_structure): Changed switching structure.
623 (df_bb_refs_record): Fixed case where duplicate artificial refs
624 were created. Changed location of flags.
625 (df_record_entry_block_defs): Added code to make stack pointer
626 live in entry block. Refined cases where frame pointer is needed.
627 Changed location of flags.
628 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
629 (df_set_state): Removed function.
630 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
631 df_insn_create_insn_record, df_insn_refs_delete,
632 df_ref_create_structure): Formatting changes.
633 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
634 df_delete_basic_block): New function.
635 (df_init): Changed location of flags.
636 (df_add_problem): Added flags parameter and the way flags are
638 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
639 debug_df_chain): Improved debugging output.
640 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
641 (df_refs_chain_dump): Removed df parameter.
642 (df_iterative_dataflow): Added consistency check.
643 (df_prune_to_subcfg): Made public.
644 (df_analyze_problem): Added blocks_to_init parameter and made
646 (df_ref_record, df_bb_refs_record, df_mark_reg,
647 df_record_exit_block_uses): Whitespace changes.
648 (df_dump): Whitespace changes.
649 * df.h: Some reordering to remove forward references.
650 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
651 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
652 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
653 (dataflow.flags): New field.
654 (df.flag): Deleted field.
655 (df_alloc_function): Added additional bitmap parameter.
656 (df_dependent_problem_function): New type.
657 (df_problem.changeable_flags): New field.
658 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
659 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
660 (df_mw_hardreg): New struct.
661 (DF_INSN_UID_MWS): New macro.
662 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
664 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
665 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
666 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
667 (df_set_state): Removed function.
668 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
669 * df-problems.c (df_chain_dump): Removed df parameter.
670 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
671 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
673 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
674 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
675 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
676 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
677 DF_REF_MUST_CLOBBER cases.
678 (df_ru_bb_local_compute_process_def,
679 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
680 df_lr_bb_local_compute, df_ur_bb_local_compute,
681 df_chain_create_bb): Made subreg aware.
682 (df_ru_bb_local_compute, df_rd_bb_local_compute,
683 df_lr_bb_local_compute, df_lr_bb_local_compute,
684 df_chain_create_bb): Cleanup to use proper macros.
685 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
686 code to fixup bitvectors.
687 (df_ri_alloc): Cleared lifetime.
688 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
689 df_create_unused_note): New function.
690 (df_ri_bb_compute, df_ri_compute): Added code to create/update
691 REG_DEAD and REG_UNUSED notes as well as register information.
692 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
693 df_chains_dump): Fixed crash if problem was never run.
694 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
695 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
696 df_ri_add_problem): Processes flags in uniform manner.
697 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
698 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
699 df_rd_dump, df_urec_free_bb_info): Formatting changes.
700 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
701 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
702 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
703 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
704 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
705 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
706 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
707 * see.c (see_initialize_data): Ditto.
708 * final.c (rest_of_clean_state) Added regstack_completed.
709 * rtl.h (regstack_completed): Ditto.
710 * reg-stack.c (regstack_completed): Ditto.
712 2006-05-19 Mike Stump <mrs@apple.com>
714 * c-tree.h (default_conversion): Remove.
715 * c-common.h (default_conversion): Add.
717 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
719 * tree-vrp.c (valid_value_p): New function.
720 (adjust_range_with_scev): Fail if the value of bound is not
723 2006-05-19 Richard Sandiford <richard@codesourcery.com>
725 * config/mips/linux-unwind.h: Include <asm/unistd.h>
726 (mips_fallback_frame_state): Use syscall numbers to determine
727 the appropriate li instruction for the current ABI. Only use
728 __NR_sigreturn for o32.
730 2006-05-19 Nicolas Setton <setton@adacore.com>
732 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
733 * langhooks.c (lhd_dwarf_name): New function.
734 * langhooks-def.h (lhd_dwarf_name): Declare.
735 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
736 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
737 * ada/misc.c (gnat_dwarf_name): New function.
738 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
740 2006-05-19 Richard Sandiford <richard@codesourcery.com>
742 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
744 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
745 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
746 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
747 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
748 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
749 determine the size of Wtype, etc.
750 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
751 (swfloatfuncs): New variable.
752 (dwfloatfuncs): Likewise.
753 (lib2funcs): Remove floating-point conversion functions from
754 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
755 the set of conversion routines needed. Allow entries to specify
756 an object name, filename and word size. Update users accordingly.
757 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
758 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
762 2006-02-08 Roger Sayle <roger@eyesopen.com>
765 * config/fixtfdi.c: New libgcc source file.
766 * config/fixunstfdi.c: New source file.
767 * config/floatditf.c: New source file.
768 * config/floatunditf.c: New souce file.
769 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
770 files above instead of config/mips/_tilib.c.
771 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
773 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
775 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
776 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
778 2006-05-18 Mike Stump <mrs@apple.com>
780 Fix up vla, vm and [*] sematics.
786 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
787 (c_vla_unspec_p): Add.
789 * c-decl.c (struct c_scope): Add had_vla_unspec.
790 (build_array_declarator): Add support for [*].
791 (grokdeclarator): Likewise.
792 (grokparms): Likewise.
793 (get_parm_info): Likewise.
794 * c-objc-common.c (c_vla_unspec_p): Likewise.
795 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
796 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
797 typeof when argument is a variably modified type not inside sizeof or alignof.
798 (c_parser_direct_declarator_inner): Propagate errors.
799 (c_parser_sizeof_expression): Add support for [*].
800 (c_parser_parms_declarator): Initialize had_vla_unspec.
801 (c_parser_parms_list_declarator): Likewise.
802 * c-typeck.c (c_vla_type_p): Add.
803 (composite_type): Add support for vla compositing.
804 (comptypes_internal): Add support for vla compatibility.
805 (c_expr_sizeof_expr): Evaluate vla arguments.
806 * tree.c (variably_modified_type_p): Update comment for [*].
808 2006-05-18 Michael Matz <matz@suse.de>
811 * config.host: Make assignments to host_xmake_file cumulative.
812 * config.host (*-darwin*): Test $host, not $target.
814 2006-05-12 Stuart Hastings <stuart@apple.com>
816 * config/i386/i386.opt (-mstackrealign): New flag.
817 * config/i386/i386.c (force_align_arg_pointer): New attribute.
818 (ix86_handle_cconv_attribute): Emit error when
819 force_align_arg_pointer attribute collides with too many regparms.
820 (ix86_function_regparm): Limit regparms when used with
821 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
822 Support stack-realigning prologue in non-main functions. Emit
823 warning for nested functions under -mstackrealign, emit error for
824 nested functions with force_align_arg_pointer attribute.
825 * doc/extend.texi (force_align_arg_pointer): Document it.
826 * doc/invoke.texi (-mstackrealign): Document it.
828 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
830 PR rtl-optimization/27477
831 * combine.c (try_combine): Don't split a parallel consisting
832 of two sets into two individual sets if both sets reference
835 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
837 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
838 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
840 * doc/options.texi (VarExists): Updated.
842 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
844 * unwind-dw2.c: Add declarations for uw_update_context and
846 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
847 detected, advance frame state and context once to skip over stub.
849 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
853 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
854 Call rewrite_into_loop_closed_ssa only when something changed.
855 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
856 * lambda-code.c (can_convert_to_perfect_nest): Declared.
857 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
858 Test for perfect_nest_p here. Fix formating.
859 (replace_uses_equiv_to_x_with_y): Fix formating.
860 (stmt_uses_op): Removed.
861 (can_convert_to_perfect_nest): Removed loopivs parameter.
862 Complete the test by checking the scalar dependences.
863 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
866 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
869 From Dan Kegel <dank@kegel.com>:
870 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
872 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
874 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
875 if the element type is variably modified without recursing.
877 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
880 * tree-loop-linear.c (try_interchange_loops): Test for
883 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
885 PR tree-optimization/27548
886 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
887 range of ssa names that appear on abnormal edges.
888 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
889 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
891 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
894 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
896 2006-05-17 Jakub Jelinek <jakub@redhat.com>
899 * tree.h (OMP_PARALLEL_COMBINED): Define.
900 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
901 (new_omp_context): Add is_combined_parallel argument.
902 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
903 new_omp_context caller.
904 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
905 Adjust gimplify_scan_omp_clauses callers.
906 (omp_is_private): Issue errors if iteration variable is firstprivate
907 or reduction in the current context.
908 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
909 on combined parallel workshare constructs.
911 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
913 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
914 (gcc-options.o): New rule.
916 * optc-gen.awk: Protect variables for gcc-options.o with
917 #ifdef GCC_DRIVER/#endif.
919 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
921 Fix PR tree-optimization/27373
922 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
923 (forward_propagate_addr_expr): Update call.
925 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
927 * doc/options.texi: Move the Negative option.
929 2006-05-16 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/22303
932 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
934 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
935 ccp_fold did not simplify the statement.
937 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
940 * Makefile.in (GCC_OBJS): New.
941 (OBJS-common): Add opts-common.o.
942 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
943 (cpp$(exeext)): Likewise.
944 (gcc.o): Also depend on opts.h.
945 (opts-common.o): New.
947 * common.opt (gcoff): Add Negative(gdwarf-2).
948 (gdwarf-2): Add Negative(gstabs).
949 (gstabs): Add Negative(gstabs+).
950 (gstabs+): Add Negative(gvms).
951 (gvms): Add Negative(gxcoff).
952 (gxcoff): Add Negative(gxcoff+).
953 (gxcoff+): Add Negative(gcoff).
954 * config/i386/i386.opt (m32): Add Negative(m64).
955 (m64): Add Negative(m32).
957 * doc/options.texi: Document the Negative option.
959 * gcc.c: Include "opts.h".
960 (main): Call prune_options after expandargv.
962 * optc-gen.awk: Generate common declarations for all flag
963 variables in options.c. Output the neg_index field.
965 * opts.c (find_opt): Moved to ...
966 * opts-common.c: Here. New file.
968 * opts.h (cl_option): Add a neg_index field.
970 (prune_options): Likewise.
972 2006-05-16 Jakub Jelinek <jakub@redhat.com>
975 * omp-low.c (expand_omp_parallel): Don't assert
976 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
977 instead search for it.
980 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
983 2006-05-16 Andreas Schwab <schwab@suse.de>
985 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
988 2006-05-15 Roger Sayle <roger@eyesopen.com>
991 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
992 integer constants other than zero are only legitimate on TARGET_64BIT.
993 <CONST_VECTOR> Only zero vectors are legitimate.
994 (ix86_cannot_force_const_mem): Integral and vector constants can
995 always be put in the constant pool.
997 2006-05-16 DJ Delorie <dj@redhat.com>
999 * crtstuff.c (__dso_handle): Set section from
1000 TARGET_LBIGCC_SDATA_SECTION if defined.
1001 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1002 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1004 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1007 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1010 2006-05-16 Ben Elliston <bje@au.ibm.com>
1012 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1014 2006-05-15 Per Bothner <per@bothner.com>
1016 * tree.c: (last_annotated_node): Use sources_locus typedef.
1017 This permits bootstrapping with --enable-mapped-location.
1019 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1021 PR tree-optimization/26830
1022 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1023 (info_for_ssa_name, current_info_for_ssa_name_age,
1024 blocks_to_update): New variables.
1025 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1026 (clear_ssa_name_info, initialize_flags_in_bb,
1027 mark_block_for_update): New functions.
1028 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1029 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1030 prepare_def_site_for): Use mark_block_for_update.
1031 (mark_def_interesting): Assert that the processed block is marked in
1032 blocks_to_update. Do not take blocks argument.
1033 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1035 (rewrite_update_init_block, rewrite_update_stmt): Only process
1036 blocks with statements to rewrite.
1037 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1038 (update_ssa): Initialize and free blocks_to_update. Do not
1039 clear flags on statements. Do not use blocks bitmap.
1040 * tree.h (SSA_NAME_AUX): Removed.
1041 (struct tree_ssa_name): Removed aux field.
1042 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1044 2006-05-15 Richard Guenther <rguenther@suse.de>
1046 PR tree-optimization/27603
1047 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1048 Do computations in original type.
1050 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1052 * see.c: Code style changes such as redundant paranthesis,
1053 redundant intialization of local variables etc.
1054 (see_main): Declared now as static.
1055 * doc/invoke.texi: Update that -fsee is not enabled by
1058 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1060 * omp-low.c (check_omp_nesting_restrictions): New function.
1061 (scan_omp_1): Call it.
1064 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1065 construct, return *VAR.
1067 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1069 PR rtl-optimization/27406
1070 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1073 2006-05-14 Roger Sayle <roger@eyesopen.com>
1075 PR rtl-optimization/27538
1076 * combine.c (expand_compound_operation): Call gen_lowpart
1077 before calling simplify_shift_const.
1079 2006-05-14 Roger Sayle <roger@eyesopen.com>
1081 PR rtl-optimization/22563
1082 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1083 a fixed width bitfield, always force the intermediates into psuedos.
1085 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1088 * mkconfig.sh: Use operator = instead of == for test.
1090 2006-05-13 Nick Clifton <nickc@redhat.com>
1092 * dwarf2out.c (dbx_reg_number): Check return value from
1093 LEAF_REG_REMAP and only use it if it is valid.
1094 (multiple_reg_loc_descriptor): Likewise.
1096 2006-05-13 Richard Guenther <rguenther@suse.de>
1098 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1101 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1103 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1104 information attached to non-INSNs such as NOTEs.
1105 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1107 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1109 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1111 * config/s390/s390.md: Adjust comment describing On constraint.
1113 2006-05-11 Jan Hubicka <jh@suse.cz>
1115 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1116 to be output at -O0.
1118 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1121 * fold-const.c (size_binop): Move sanity check for arguments to
1122 the beginning of the function.
1125 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1128 2006-05-11 Richard Guenther <rguenther@suse.de>
1131 * fold-const.c (fold_unary): Handle intermediate conversion
1132 to a pointer type like intermediate conversion to an integer
1133 type in folding of (T1)(T2)var to var.
1134 Match the code to the comment in the final conversion for
1135 (T1)(T2)var to (T1)var regarding to type precision. Rather
1136 than disallow T1 being of pointer type, assert that both T1
1137 and var are of pointer type or not. Make sure not to fall
1138 over the frontends lazyness wrt array to pointer decay though.
1140 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1142 * arm.c (arm_struct_value_rtx): Delete.
1143 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1144 (arm_init_cumulative_args): Always initialize nregs to zero.
1146 2006-05-10 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/27532
1149 * tree-object-size.c (plus_expr_object_size): Fix typo.
1151 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1154 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1155 ashrdi_const, ashrdi3): Use a scratch register.
1157 2006-05-10 Richard Guenther <rguenther@suse.de>
1159 PR tree-optimization/27302
1160 * fold-const.c (operand_equal_p): For two comparisons,
1161 try comparison of one comparison code swapped if that yields
1164 2006-05-10 Ben Elliston <bje@au.ibm.com>
1166 * tree-pretty-print.c (pretty_print_string): No need to handle
1167 '\0' as a special character.
1169 * tree.h: Include "hashtab.h".
1170 (iterative_hash_expr): Use hashval_t in its prototype.
1171 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1173 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1176 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1177 (hppa*64*-*-hpux11*): Ditto.
1178 (hppa[12]*-*-hpux11*): Ditto.
1180 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1183 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1185 2006-05-09 Michael Matz <matz@suse.de>
1187 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1188 host_extra_gcc_objs and host_xmake_file.
1189 (<*-*-linux*>): Don't overwrite host_xmake_file.
1190 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1191 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1192 (host_detect_local_cpu): Declare.
1193 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1194 * config/i386/i386.c (override_options): Handle -mtune=native
1196 * config/i386/x-i386: New file.
1197 * config/i386/driver-i386.c: New file.
1198 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1201 2006-05-09 Dirk Mueller <dmueller@suse.de>
1202 Richard Guenther <rguenther@suse.de>
1205 * fold-const.c (fold_read_from_constant_string): Relax check
1206 for matching types to matching modes.
1208 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1210 PR rtl-optimization/27335
1211 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1214 2006-05-08 Chao-ying Fu <fu@mips.com>
1215 Richard Sandiford <richard@codesourcery.com>
1217 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1218 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1219 * config/mips/mips.md (UNSPEC_SCC): New constant.
1220 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1221 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1222 (mips_emit_compare): Use it.
1223 (mips_expand_vcondv2sf): New function.
1225 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1227 Fix PR tree-optimization/27093
1228 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1229 renaming when they become not-used_alone.
1231 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1233 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1234 relocation and relocation stubs.
1236 2006-05-08 Eric Christopher <echristo@apple.com>
1238 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1241 2006-05-08 Jan Hubicka <jh@suse.cz>
1244 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1245 unused static functions are needed.
1247 2006-05-08 Roger Sayle <roger@eyesopen.com>
1250 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1251 of a reg_equiv_constant if the result is a legitimate constant.
1253 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1256 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1257 standard 80387 constants, raise the cost to prevent
1258 compress_float_constant() to generate load from memory.
1260 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1262 * config/arm/constraints.md (c): Fix a typo.
1264 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1267 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1270 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1272 (_mm_mwait): Likewise.
1274 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1276 (sse3_monitor): Make it 32bit only.
1277 (sse3_monitor64): New. 64bit monitor.
1279 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1282 * config/i386/i386.c (classify_argument): Skip fields with invalid
1285 2006-05-07 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/27409
1288 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1289 Do not try to find zero-sized subvars.
1291 2006-05-07 Richard Guenther <rguenther@suse.de>
1293 PR tree-optimization/27136
1294 * tree-ssa-loop-niter.c (get_val_for): Correct function
1295 comment, assert requirements.
1296 (loop_niter_by_eval): Stop processing if the iterated
1297 value did not simplify.
1299 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1301 * opts.c (flag_see): remove its setting at -O3.
1303 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1305 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1306 * arm/constraints.md: New file.
1307 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1308 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1309 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1310 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1311 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1312 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1313 * arm.md: Include constraints.md.
1314 (thumb_movsi_insn): Use satisfies_constraint_J.
1315 (movhi, movqi): Use satisfies_constraint_I.
1317 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1319 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1320 for atmeg a645 device.
1322 2006-05-06 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/27151
1325 * tree-vect-transform.c (vectorizable_condition): Punt on
1326 values that have a different type than the condition.
1328 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1331 * c-parser.c (c_parser_cast_expression): Only insert casts into
1332 hash table if pointer.
1333 * function.c (used_types_insert_helper): Rename from
1335 (used_types_insert): Call used_types_insert_helper.
1336 * function.h (used_types_insert): Accept only one argument.
1338 2006-05-05 David Edelsohn <edesohn@gnu.org>
1340 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1341 scratch with output modifier.
1343 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1346 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1347 with output modifier.
1349 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1352 * config/mips/mips.c (mips_symbolic_address_p): Return true
1353 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1354 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1356 2006-05-04 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/14287
1359 PR tree-optimization/14844
1360 PR tree-optimization/19792
1361 PR tree-optimization/21608
1362 PR tree-optimization/27090
1363 * tree-ssa-pre.c (try_combine_conversion): New function.
1364 (compute_avail): After constructing the value-handle
1365 expression, use try_combine_conversion to combine NOP_EXPRs
1366 with previous value-handle expressions and use the result if it
1369 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1371 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1373 2006-05-04 Jan Hubicka <jh@suse.cz>
1376 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1378 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1380 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1381 that this only matches CONST_INTs. All users changed to VOIDmode
1384 * config/bfin/bfin.c: Include "optabs.h".
1385 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1387 (enum bfin_builtins): Add a number of fractional and vector builtins.
1388 (bfin_init_builtins): Likewise.
1389 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1390 (safe_vector_operand, bfin_expand_binop_builtin,
1391 bfin_expand_unop_builtin): New functions.
1392 (bfin_expand_builtin): Handle the new builtins.
1393 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1396 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1399 * Makefile.in (OBJS-common): Add see.o.
1400 (see.o): Add dependencies.
1401 * common.opt (fsee): New flag for the see optimization was added.
1402 * opts.c (flag_see): Initialized.
1403 * passes.c (init_optimization_passes, pass_see): New pass.
1404 * rtl.h (see_main): Declaration as extern.
1405 * timevar.def (TV_SEE): New.
1406 * tree-pass.h (pass_see): Declaration as extern.
1407 * invoke.texi (-fsee): Document.
1408 * recog.c (validate_simplify_insn): New function.
1409 * recog.h (validate_simplify_insn): Declaration as extern.
1410 * df-problems.c (df_chain_dump): Check for NULL.
1412 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1413 Daniel Berlin <dberlin@dberlin.org>
1415 * cfgrtl.c (insert_insn_bb_end_new): New function.
1416 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1418 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1420 * df.h (struct web_entry): Moved from web.c.
1421 (union_defs): Declaration as extern.
1422 (unionfind_root): Likewise.
1423 (unionfind_union): Likewise.
1424 * web.c (struct web_entry): Moved to df.h.
1425 (unionfind_root): Remove static declaration.
1426 (unionfind_union): Likewise.
1427 (union_defs): Likewise and generalize to use callback function.
1428 (web_main): Update arguments for union_defs function call.
1430 2006-05-04 Richard Guenther <rguenther@suse.de>
1432 PR tree-optimization/26447
1433 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1434 produce SSA_NAME copies before the store stmt to avoid
1435 breaking exception handling.
1437 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1440 * gimplify.c (omp_is_private): If var is shared in some outer context,
1441 return false instead of true. Stop searching on parallel context
1444 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1447 * coverage.c: Use get_gcov_unsigned_t() instead of
1448 unsigned_type_node all over.
1450 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1452 PR tree-optimization/27381
1453 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1454 maintain the same immediate_use links.
1455 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1456 node rather than segfaulting.
1458 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1461 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1462 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1463 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1465 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1467 Fix PR tree-optimization/26626
1468 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1470 * tree-ssa-operands.c (access_can_touch_variable): Allow
1471 typecasting through union pointers.
1473 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1476 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1477 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1478 to find if var will be a global variable even in the nested context.
1479 (omp_copy_decl): Only check for global variable at the end, it might
1480 be overridden in outer contexts.
1481 (scan_sharing_clauses): For global variables don't create a field.
1482 (lower_rec_input_clauses): Do nothing for global shared variables.
1483 Emit a barrier at the end of ILIST if there were any decls in both
1484 firstprivate and lastprivate clauses.
1485 (lower_send_clauses): Do nothing for global variables except for
1488 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1490 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1491 of the correct signedness is returned.
1493 2006-05-02 Jeff Law <law@redhat.com>
1495 PR tree-optimization/27364
1496 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1497 multiply expressions.
1499 2006-05-02 Tom Tromey <tromey@redhat.com>
1501 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1503 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1506 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1507 -mthumb -fPIC are used.
1509 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1510 Joshua Kinard <kumba@gentoo.org>
1513 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1514 with 64-bit pointers.
1516 2006-05-02 Paul Brook <paul@codesourcery.com>
1518 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1520 (create_fix_barrier): Check that a suitable barrier location is
1522 (arm_reorg): Include ftmp->address in allowable range of addresses.
1524 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1527 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1530 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1533 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1534 around RESULT_DECL for result passed by reference.
1535 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1536 * omp-low.c (use_pointer_for_field): Don't look at
1537 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1538 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1539 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1540 time or var for passing by reference for
1541 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1542 TREE_ADDRESSABLE variables when passing by reference.
1544 * omp-low.c (dump_omp_region): Fix output formatting.
1547 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1548 (expand_omp_parallel): Likewise.
1549 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1552 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1553 on statement list containing also constructors and destructors.
1554 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1557 * except.c (duplicate_eh_regions): Fix clearing of
1558 cfun->eh->region_array entries.
1560 2006-05-01 DJ Delorie <dj@redhat.com>
1562 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1564 (gcc_cv_objdump): Likewise.
1565 * configure: Regenerated.
1567 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1570 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1571 templates for case 3 and 4.
1573 2006-05-01 DJ Delorie <dj@redhat.com>
1575 * vec.c: Include bconfig.h when appropriate.
1576 * Makefile.in (build/vec.o): Adjust dependencies.
1577 * mkconfig.sh: Make sure config.h isn't used for build machine
1580 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1582 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1584 (mark_phi_for_rewrite): New function.
1585 (insert_phi_nodes_for, mark_use_interesting): Call
1586 mark_phi_for_rewrite.
1587 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1588 (update_ssa): Initialize and free phis_to_rewrite.
1590 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1592 PR rtl-optimization/27291
1593 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1594 folded to a constant.
1596 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1598 PR tree-optimization/27283
1599 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1600 not whole # of iteration descriptions.
1601 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1602 uses abnormal ssa name.
1603 (niter_for_single_dom_exit): Ditto.
1604 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1605 return just the number of iterations.
1607 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1609 PR tree-optimization/27144
1610 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1611 (record_estimate): Only record constant upper bound.
1612 (infer_loop_bounds_from_undefined): Call
1613 compute_estimated_nb_iterations just once.
1614 (proved_non_wrapping_p): Renamed to ...
1615 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1616 (convert_step_widening, scev_probably_wraps_p): Call
1617 n_of_executions_at_most instead of proved_non_wrapping_p.
1618 (substitute_in_loop_info): Do not replace values in bounds.
1619 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1622 2006-05-01 Richard Henderson <rth@redhat.com>
1625 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1626 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1629 2006-05-01 Roger Sayle <roger@eyesopen.com>
1631 * c-typeck.c (parser_build_binary_op): Don't call the function
1632 unsigned_conversion_warning to spot operand/result type overflow.
1633 (build_binary_op): Instead, call convert_and_check instead of
1634 convert to report the problem when the operands are promoted.
1635 * c-common.c (unsigned_conversion_warning): Make static.
1636 * c-common.h (unsigned_conversion_warning): Delete prototype.
1638 2006-05-01 Richard Guenther <rguenther@suse.de>
1640 PR tree-optimization/26726
1641 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1643 (find_interesting_uses_address): ... we work around here
1644 by folding INDIRECT_REFs in the substituted base.
1646 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1648 * omp-low.c (dump_omp_region): Add newlines.
1650 2006-04-30 Roger Sayle <roger@eyesopen.com>
1652 * common.opt (Woverflow): New command line option.
1653 * c-common.c (constant_expression_warning): Check warn_overflow.
1654 (overflow_waring): Pass OPT_Woverflow to warning.
1655 (unsigned_conversion_warning): Likewise.
1656 (convert_and_check): Likewise.
1657 * doc/invoke.texi: Document new command line option.
1659 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1661 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1662 TARGET_NO_FP_IN_TOC for section anchors.
1663 (optimization_options): Enable section anchors for all
1664 non-"Objective" languages.
1666 2006-04-28 Eric Christopher <echristo@apple.com>
1668 * config/darwin-c.c (darwin_ms_struct): Move this
1669 (darwin_set_default_type_attributes): and this...
1670 * config/darwin.c: ... here.
1671 * config/darwin.h (darwin_ms_struct): Declare.
1673 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1675 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1677 2006-04-28 Roger Sayle <roger@eyesopen.com>
1680 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1681 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1682 an unsigned HOST_WIDE_INT.
1683 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1685 (really_start_incremental_init): No need to call convert because
1686 bitsize_zero_node is already of type bitsizetype.
1687 (push_init_level): Extract the value of constructor_index as an
1688 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1689 (process_init_element): Likewise.
1691 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1693 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1694 value before passing to make_relative_prefix.
1696 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1699 * builtins.c (expand_builtin_memset): Expand val in original mode.
1701 2006-04-27 Eric Christopher <echristo@apple.com>
1703 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1704 with #ifndef/#endif.
1705 * config/darwin-c.c (darwin_ms_struct): New.
1706 (darwin_pragma_ms_struct): Ditto.
1707 (darwin_set_default_type_attributes): Ditto.
1708 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1709 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1710 Register ms_struct pragma.
1711 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1712 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1713 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1714 darwin_set_default_type_attributes if TARGET_MACHO.
1716 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1718 PR tree-optimization/26854
1719 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1720 * doc/tree-ssa.texi: Update immuse iterator documentation.
1721 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1722 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1723 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1724 first_safe_imm_use, next_safe_imm_use): Remove.
1725 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1726 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1727 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1728 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1729 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1730 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1731 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1732 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1733 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1734 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1735 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1736 (perfect_nestify): Use new iterator.
1737 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1739 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1740 (next_imm_name): New field in struct immediate_use_iterator_d.
1741 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1742 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1743 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1744 * tree-cfg.c (replace_uses_by): Use new iterator.
1745 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1746 * tree-ssa-operands.c (correct_use_link): Remove.
1747 (finalize_ssa_use_ops): No longer call correct_use_link.
1749 2006-04-27 Stuart Hastings <stuart@apple.com>
1751 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1752 * config/t-darwin (crt3.o): Use it.
1753 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1754 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1755 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1756 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1757 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1760 2006-04-27 Roger Sayle <roger@eyesopen.com>
1762 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1763 size, force the intermediate into a new pseudo rather instead of
1764 performing both a bitwise AND and a bitwise IOR in memory.
1766 2006-04-27 Richard Guenther <rguenther@suse.de>
1768 PR rtl-optimization/26685
1769 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1770 this one "max-flow-memory-locations".
1772 2006-04-27 Richard Guenther <rguenther@suse.de>
1774 PR tree-optimization/25148
1775 * tree-vrp.c (compare_values): Remove code dealing with
1776 comparisons against type min/max value. Honour overflow
1777 and negative constants in code dealing with comparisons
1778 of plus and minus expressions.
1779 (value_inside_range): Use fold_binary with LE_EXPR and
1780 GE_EXPR rather than compare_values.
1782 2006-04-27 Dirk Mueller <dmueller@suse.de>
1784 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1787 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1789 * basic-block.h (safe_insert_insn_on_edge): Removed.
1790 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1792 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1793 Paolo Bonzini <bonzini@gnu.org>
1796 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1797 (simplify_and_const_int): Same.
1799 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1801 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1803 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1806 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1807 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1808 cgraph_global_info_ready.
1811 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1814 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1815 either decl or init is error_mark_node.
1818 * tree-flow.h (struct omp_region): Add sched_kind.
1819 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1820 instead of extracting omp for data.
1821 (expand_omp_for): Save extracted sched_kind.
1823 2006-04-25 Roger Sayle <roger@eyesopen.com>
1825 * expmed.c (store_bit_field): Also check whether the bitsize is
1826 valid for the machine's "insv" instruction before moving the
1827 target into a pseudo for use with the insv.
1828 * config/i386/predicates.md (const8_operand): New predicate.
1829 * config/i386/i386.md (extv, extzv, insv): Use the new
1830 const8_operand predicate where appropriate.
1832 2006-04-25 DJ Delorie <dj@redhat.com>
1834 * doc/install.texi (Specific): Clarify that this is not a list of
1835 supported hosts or targets.
1837 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1839 PR rtl-optimization/26725
1840 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1841 block's BB_DIRTY flag.
1843 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1845 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1848 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1849 to print an integer.
1851 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1853 * varasm.c (align_variable): New function.
1854 (get_block_for_decl): Apply align_variable to DECL before
1855 calculating section information.
1856 (assemble_variable): Split out alignment computation.
1858 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1860 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1863 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1865 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1866 MODE_PARTIAL_INT mode.
1867 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1868 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1870 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1871 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1873 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1875 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1877 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1878 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1879 MACFLAG_IH): Likewise.
1880 (movstricthi_1): Renamed from "*movstricthi".
1881 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1882 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1883 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1884 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1885 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1886 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1887 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1888 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1889 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1890 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1891 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1892 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1893 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1894 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1895 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1897 * doc/rtl.texi (ss_ashift): Improve wording.
1899 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1901 * dwarf2out.c (verify_marks_clear): New.
1902 (prune_unused_types): Call verify_marks_clear initially, not
1905 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1907 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1908 * doc/rtl.texi: Document them.
1909 * simplify-rtx.c (simplify_unary_operation,
1910 simplify_binary_operation_1): Don't abort when we see them.
1912 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1915 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1916 * configure.ac: Completely disregard languages that are not
1918 * configure: Regenerated.
1920 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1921 Richard Guenther <rguenther@suse.de>
1923 PR tree-optimization/27236
1924 * tree-inline.c (copy_body_r): Make sure to copy
1925 TREE_THIS_VOLATILE flag.
1927 2006-04-24 Richard Guenther <rguenther@suse.de>
1930 * tree-complex.c (update_parameter_components): Don't handle
1931 unused parameters which have no default def.
1933 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1934 Richard Guenther <rguenther@suse.de>
1936 PR tree-optimization/27218
1937 * tree-inline.c (expand_call_inline): Strip useless type
1938 conversions for the return slot address.
1940 2006-04-24 Richard Guenther <rguenther@suse.de>
1942 * cfgloop.h (struct loops): Remove unused field array. Reorder
1944 (LOOP_PREFETCH): Remove.
1946 2006-04-24 Richard Guenther <rguenther@suse.de>
1948 PR tree-optimization/22525
1949 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1950 variable, adjust types of generated expressions.
1952 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1954 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1955 (tree-vect-patterns.o): Likewise.
1957 (cselib.o): Likewise.
1958 (loop-doloop.o): Likewise.
1959 (regclass.o): Likewise.
1960 (reload1.o): Likewise.
1961 (explow.o): Replace target.h with $(TARGET_H).
1962 (ipa-prop.o): Likewise.
1963 (ipa-cp.o): Likewise.
1964 (ipa-inline.o): Likewise.
1965 (reorg.o): Likewise.
1966 (reg-stack.o): Likewise.
1968 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1970 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1972 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1974 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1976 * configure.ac: Completely disregard languages that are not
1978 * configure: Regenerated.
1981 * c-common.h (c_build_bitfield_integer_type): Declare.
1982 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1983 * c-common.c (c_build_bitfield_integer_type): ... here.
1985 2006-04-23 Roger Sayle <roger@eyesopen.com>
1988 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1989 a SImode SUBREG of a floating point register after no_new_pseudos.
1991 2006-04-23 Roger Sayle <roger@eyesopen.com>
1993 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1994 identify potentially eliminable registers to additionally catch
1995 VIRTUAL_INCOMING_ARGS_REGNUM.
1996 (addsi3): Update the conditions on when to use addsi_small_int.
1998 2006-04-23 Roger Sayle <roger@eyesopen.com>
2001 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2002 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2003 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2005 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2007 * fold-const.c (range_predecessor): Use operand_equal_p
2008 as the predicate for equality.
2009 (range_successor): Likewise.
2011 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2014 * config/soft-fp/op-common.h: Fix a typo.
2016 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2019 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2020 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2022 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2024 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2026 * doc/tm.texi: Fix a typo.
2028 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2030 * dwarf2out.c (struct die_struct): Document that die_sib makes
2031 a circular linked list.
2032 (FOR_EACH_CHILD): New.
2033 (reverse_die_lists): Delete.
2034 (reverse_all_dies): Delete.
2035 (add_dwarf_attr): Correct documentation.
2036 (remove_child_with_prev): New.
2037 (remove_child_TAG): Update for change to die_struct, use
2038 remove_child_with_prev.
2039 (add_child_die): Update for change to die_struct.
2040 (splice_child_die): Use remove_child_with_prev and add_child_die.
2041 (print_die): Use FOR_EACH_CHILD.
2042 (die_checksum): Likewise.
2043 (assign_symbol_names): Likewise.
2044 (output_location_lists): Likewise.
2045 (build_abbrev_table): Likewise.
2046 (calc_die_sizes): Likewise.
2047 (mark_dies): Likewise.
2048 (unmark_dies): Likewise.
2049 (unmark_all_dies): Likewise.
2050 (output_die): Likewise.
2051 (prune_unused_types_mark): Likewise.
2052 (prune_unused_types_walk): Likewise.
2053 (same_die_p): Update for change to die_struct.
2054 (break_out_includes): Likewise.
2055 (prune_unused_types_prune): Likewise.
2056 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2057 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2059 (dwarf2out_finish): Don't call reverse_all_dies.
2061 2006-04-21 Eric Christopher <echristo@apple.com>
2063 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2064 in comments and function names.
2066 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2069 * c-typeck.c (digest_init): Robustify.
2071 * c-typeck.c (pop_init_level): Simplify.
2073 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2075 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2077 2006-04-21 Paul Brook <paul@codesourcery.com>
2079 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2080 hardware floating point.
2082 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2084 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2087 2006-04-21 Nick Clifton <nickc@redhat.com>
2089 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2092 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2095 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2096 C++ lang type in traceback table for Objective-C++.
2098 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2100 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2102 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2104 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2107 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2108 were errors. Remove check for erroneous objects.
2110 2006-04-20 Jeff Law <law@redhat.com>
2112 PR tree-optimization/26854
2113 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2114 checking for zero or one use.
2115 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2116 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2117 * tree-ssa-reassoc.c (negate_value): Similarly.
2118 (reassociate_bb): Similarly.
2120 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2122 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2123 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2124 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2126 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2128 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2129 fp regs if the last fp arg doesn't fit in regs.
2131 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2134 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2135 that the last insn has the REG_INC note.
2137 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2138 Nathan Sidwell <nathan@codesourcery.com>
2141 * stor-layout.c (update_alignment_for_field): Do not align
2143 (place_union_field): Place union field at the start of the union.
2144 (place_field): Move ERROR_MARK check later, and use the current
2145 allocation position to maintain monotonicity.
2147 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2149 * dominance.c: Include timevar.h.
2150 (calculate_dominance_info): Use TV_DOMINANCE.
2151 * timevar.def (TV_DOMINANCE): New timevar.
2152 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2154 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2156 PR rtl-optimization/14261
2157 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2158 move would be an INSV insn.
2159 (noce_process_if_block): Don't optimize if the destination is a
2160 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2162 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2164 * config/s390/s390.md: Add comments with the instructions emitted
2165 by an insn pattern if macros are used.
2167 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2169 PR rtl-optimization/26026
2170 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2171 is a known power of two shifted left a variable amount.
2173 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2175 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2176 to hash table twice when the debug_str section has SECTION_MERGE.
2178 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2180 * config/soft-fp: New directory. From glibc.
2181 * config/soft-fp/t-softfp: New.
2182 * config/soft-fp/README: New.
2183 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2184 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2185 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2186 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2187 * config.gcc: Use rs6000/t-fprules-fpbit or
2188 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2190 * config/rs6000/sfp-machine.h: New. Based on glibc.
2191 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2193 * config/rs6000/t-fprules: Remove fp-bit rules.
2194 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2195 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2196 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2197 (softfp_wrap_start, softfp_wrap_end): New.
2199 2006-04-18 DJ Delorie <dj@redhat.com>
2201 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2203 2006-04-18 Devang Patel <dpatel@apple.com>
2205 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2207 2006-04-18 Nick Clifton <nickc@redhat.com>
2209 * config/sh/t-symbian: Add rule to build sh-c.o
2210 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2211 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2212 (sh_symbian_encode_section_info): Likewise.
2214 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2216 * builtins.c (expand_builtin_strcmp): Cover label definition of
2217 do_libcall with HAVE_cmpstrnsi.
2219 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2221 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2223 * function.h (temp_slot_p): New.
2224 (function): Change the type of x_used_temp_slots to
2225 VEC(temp_slot_p,gc) *.
2227 2006-04-18 Nick Clifton <nickc@redhat.com>
2229 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2230 flag_strength_reduce.
2232 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2234 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2238 Partial revert of revision 112637
2239 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2240 Dale Johannesen <dalej@apple.com>
2243 * regclass.c (struct reg_pref): Update documentation.
2244 (regclass): Set prefclass to NO_REGS if memory is the best option.
2245 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2247 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2249 PR tree-optimization/26821
2250 * tree-ssa-math-opts.c (get_constant_one): New.
2251 (insert_reciprocals): Use it.
2253 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2255 * dwarf2out.c (free_AT): Delete.
2256 (remove_AT): Update string ref counts.
2257 (remove_child_TAG): Don't call free_die.
2259 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2260 or DW_TAG_GNU_EINCL.
2261 (prune_unused_types_walk_attribs): Reset string refcounts.
2262 (prune_unused_types_update_strings): New.
2263 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2264 call free_die. Do call prune_unused_types_update_strings.
2265 (prune_unused_types): Empty debug_str_hash.
2267 2006-04-17 Roger Sayle <roger@eyesopen.com>
2269 * expr.c (expand_assignment): Optimize away no-op moves where the
2270 source and destination are equal and have no side-effects.
2272 2006-04-17 Richard Guenther <rguenther@suse.de>
2275 * reload.c (push_reload): Guard calls to get_secondary_mem
2278 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2280 * alias.c (reg_base_value, old_reg_base_value): Change the
2281 type to VEC(rtx,gc) *.
2282 (REG_BASE_VALUE, find_base_value, record_set,
2283 init_alias_analysis): Use VEC instead of VARRAY.
2285 * alias.c (alias_sets): Change the type to
2286 VEC(alias_set_entry,gc) *.
2287 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2288 VEC instead of VARRAY.
2289 (last_alias_set): Remove.
2291 * cgraph.h (cgraph_edge_p): New.
2292 Update the prototype of cgraph_function_versioning.
2293 * cgraphunit.c (cgraph_copy_node_for_versioning,
2294 cgraph_function_versioning): Use VEC instead of VARRAY.
2295 * ipa-cp.c (ipcp_insert_stage): Likewise.
2297 2006-04-16 Roger Sayle <roger@eyesopen.com>
2300 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2301 "A op B" or "A op C", we may need to convert A to the type of B and C.
2303 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2305 * target.h (struct gcc_target): Add mode_rep_extended.
2306 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2307 (init_num_sign_bit_copies_in_rep): Initialize it using
2309 (truncate_to_mode): Use it.
2310 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2311 * targhooks.h (default_mode_rep_extended): Declare it.
2312 * targhooks.c (default_mode_rep_extended): Define it.
2313 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2314 default_mode_rep_extended.
2315 (TARGET_INITIALIZER): Include it.
2316 * doc/tm.texi (Misc): Document it.
2317 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2318 (mips_truncated_to_mode): New function.
2320 2006-04-16 Roger Sayle <roger@eyesopen.com>
2323 * expr.c (compress_float_constant): Copy the narrow constant into
2324 a new pseudo before extending it to its final width.
2326 2006-04-16 Roger Sayle <roger@eyesopen.com>
2327 Andrew Pinski <pinskia@gcc.gnu.org>
2328 Dale Johannesen <dalej@apple.com>
2331 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2332 special case code to implement V8HImode and V16QImode with SSE2.
2334 2006-04-15 Roger Sayle <roger@eyesopen.com>
2336 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2337 trees are constructed with a suitable tree type.
2339 2006-04-15 Roger Sayle <roger@eyesopen.com>
2341 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2342 (integer_onep): Likewise.
2343 (integer_all_onesp): Likewise.
2344 (integer_pow2p): Likewise.
2345 (integer_nonzerop): Likewise.
2346 (real_zerop): Likewise.
2347 (real_onep): Likewise.
2348 (real_twop): Likewise.
2349 (real_minus_onep): Likewise.
2350 (int_size_in_bytes): Likewise.
2351 (host_integerp): Likewise.
2353 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2355 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2356 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2357 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2359 * tree-ssa-structalias.h (alias_info): Remove num_references.
2361 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2363 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2364 (output_bvb patterns): Likewise.
2365 * pa.c (output_bb): Use 'bb' insn for long branch case.
2366 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2367 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2368 1. Correct length operand for alternatives 1 and 2.
2369 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2370 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2372 2006-04-14 Roger Sayle <roger@eyesopen.com>
2374 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2375 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2376 were accidentally reverted by r112959.
2378 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2381 * except.h (eh_region_outermost): New prototype.
2382 * except.c (eh_region_outermost): New function.
2383 * tree-cfg.c (find_outermost_region_in_block): Use it.
2385 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2387 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2389 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2390 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2391 (init_reload, reload): Use VEC instead of VARRAY.
2392 * reload.h: Update the prototype for
2393 reg_equiv_memory_loc_varray.
2395 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2396 Eric Botcazou <ebotcazou@libertysurf.fr>
2398 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2401 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2404 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2405 to expand fallback builtin function call.
2407 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2410 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2411 and emit libcall here in case the builtin fails.
2412 (expand_builtin_strcmp): Always emit the libcall here on failure.
2414 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2416 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2417 * flow.c (reg_n_info): Change the type to
2418 VEC(reg_info_p,heap) *.
2419 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2421 * regs.h (reg_info_p): New.
2422 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2423 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2424 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2427 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2429 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2431 * params.h (MAX_SCHED_READY_INSNS): New macro.
2432 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2433 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2434 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2435 the ready list for 1 cycle during the first scheduling pass.
2436 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2438 2006-04-13 Richard Henderson <rth@redhat.com>
2441 * gimple-low.c (lower_omp_directive): Remove dead code.
2442 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2443 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2444 * omp-low.c (struct omp_region): Move to tree-flow.h.
2445 (root_omp_region): Export.
2446 (omp_regions, lookup_omp_region): Remove.
2447 (determine_parallel_type): Update for struct omp_region changes.
2448 (dump_omp_region): Dump regions with block numbers.
2449 (new_omp_region): Take type and block instead of stmt; malloc
2451 (free_omp_region_1, free_omp_regions): New.
2452 (expand_parallel_call): Take entry_stmt as argument; update for
2453 changes to omp_region.
2454 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2455 (remove_exit_barriers): New.
2456 (expand_omp_parallel): Update for struct omp_region changes.
2457 (expand_omp_synch): Likewise.
2458 (expand_omp): Likewise.
2459 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2460 (expand_omp_for_static_chunk): Likewise.
2461 (expand_omp_for): Likewise.
2462 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2463 (expand_omp_sections): Similarly, with GOMP_sections_end.
2464 (expand_omp_single): New.
2465 (build_omp_regions_1): Update for OMP_CONTINUE.
2466 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2467 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2468 OMP_SECTIONS_SECTIONS.
2469 (lower_omp_single_simple): Don't emit barrier here.
2470 (lower_omp_single_copy): Likewise.
2471 (lower_omp_single): Fix bindings, and lower to straightline now.
2472 (lower_omp_master, lower_omp_ordered): Likewise.
2473 (lower_omp_critical): Likewise.
2474 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2475 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2476 omp edges, free it afterward.
2477 (make_omp_sections_edges): Remove.
2478 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2479 (move_stmt_r): Handle OMP_CONTINUE.
2480 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2481 statement pointers to basic blocks. Add type member.
2482 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2483 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2484 * tree-inline.c (estimate_num_insns_1): Likewise.
2485 * tree-pretty-print.c (dump_generic_node): Likewise.
2486 * tree-ssa-operands.c (get_expr_operands): Likewise.
2487 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2488 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2489 (OMP_CONTINUE): New.
2490 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2491 (OMP_SECTIONS_SECTIONS): Remove.
2492 (OMP_SECTION_LAST): New.
2493 (OMP_RETURN_NOWAIT): New.
2495 2006-04-13 Roger Sayle <roger@eyesopen.com>
2497 * fold-const.c (native_encode_vector, native_interpret_real):
2498 Correct obvious mistakes in the previous check-in.
2500 2006-04-13 Roger Sayle <roger@eyesopen.com>
2502 * fold-const.c (native_encode_expr): New function to encode
2503 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2504 or VECTOR_CST into a specified buffer.
2505 (native_encode_int): New function.
2506 (native_encode_real): New function.
2507 (native_encode_complex): New function.
2508 (native_encode_vector): New function.
2509 (native_interpret_expr): Inverse of native_encode_expr to convert
2510 a target representation into an INTEGER_CST, REAL_CST etc...
2511 (native_interpret_int): New function.
2512 (native_interpret_real): New function.
2513 (native_interpret_complex): New function.
2514 (native_interpret_vector): New function.
2515 (fold_view_convert_expr): New function to constant fold/evaluate
2516 a VIEW_CONVERT_EXPR of a suitable constant expression.
2517 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2518 Change call of build1 to fold_build1 when constructing a
2521 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2522 Ulrich Weigand <uweigand@de.ibm.com>
2525 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2528 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2531 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2532 optimize to lo_sum for DFmode if !TARGET_FPRS.
2534 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2536 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2537 delete_alias_info, compute_flow_sensitive_aliasing,
2538 group_aliases): Use VEC instead of VARRAY.
2539 * tree-ssa-structalias.c (update_alias_info): Likewise.
2540 * tree-ssa-structalias.h (alias_info): Change the type of
2541 processed_ptrs to VEC(tree,heap) *.
2543 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2546 * config/sh/lib1funcs.h: New file, broken out of:
2547 * config/sh/lib1funcs.asm.
2548 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2550 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2551 * config/sh/lib1funcs-Os-4-200.asm: New file.
2552 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2553 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2554 (EXTRA_MULTILIB_PARTS): Include it.
2555 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2556 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2557 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2558 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2561 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2563 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2564 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2565 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2567 * tree-ssa-live.h: Include vecprim.h.
2568 (tree_partition_associator_d): Change the type of
2569 first_partition to VEC(int,heap) *.
2570 (tpa_first_partition): Use VEC instead of VARRAY.
2572 * Makefile.in (GTFILES): Move functions.h after tree.h.
2573 * function.c (reset_block_changes, record_block_change,
2574 check_block_change, free_block_changes): Use VEC instead of
2576 * function.h (function): Change the type of
2577 ib_boundaries_block to VEC(tree,gc) *.
2578 * tree-inline.c (copy_cfg_body): Initialize
2579 ib_boundaries_block to NULL instead of (varray_type) 0.
2581 2006-04-12 Roger Sayle <roger@eyesopen.com>
2583 * expr.c (emit_group_store): Correct operand order in call to
2584 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2585 a SUBREG_BYTE of zero.
2587 2006-04-12 Richard Guenther <rguenther@suse.de>
2589 * profile.c (compute_branch_probabilities): Remove code
2590 encapsulated in !ir_type (), which are remanents of the
2591 removed RTL profiling code.
2592 * rtl-profile.c: Remove.
2594 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2596 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2597 magic NULL_RTX comment.
2598 (function_arg): Store entire fp arg to mem if any part should go
2600 (rs6000_arg_partial_bytes): Adjust for above change.
2602 2006-04-11 Roger Sayle <roger@eyesopen.com>
2604 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2605 if it hasn't been initialized by dwarf2out_init.
2607 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2609 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2610 symbolic constants in branch patterns.
2612 2006-04-11 Roger Sayle <roger@eyesopen.com>
2614 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2616 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2618 PR rtl-optimization/27073
2619 * gcse.c (try_replace_reg): Revert last change. Continue to search
2620 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2623 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2625 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2626 aggregate types other than record and union types.
2627 (function_arg): Likewise.
2628 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2630 (function_value): In 64-bit mode, return objects that require it
2633 2006-04-11 Roger Sayle <roger@eyesopen.com>
2635 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2637 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2639 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2641 2006-04-03 Jeff Law <law@redhat.com>
2644 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2645 alias information too.
2647 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2649 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2651 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2654 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2655 (premark_used_types_helper): New.
2656 (premark_used_types): New.
2657 (gen_subprogram_die): Call premark_used_types.
2658 (prune_unused_types_walk): Do not prune perennial dies.
2659 * function.c (used_types_insert): New.
2660 * function.h (struct function): Add used_types_hash field.
2661 (used_types_insert): Add prototype.
2662 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2663 * c-parser.c (c_parser_cast_expression): Save casted types in used
2666 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2669 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2670 rs6000_explicit_options.float_gprs.
2672 2006-04-10 Roger Sayle <roger@eyesopen.com>
2674 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2675 from ix86_expand_vector_init_low_nonzero. Take an additional
2676 one_var argument indicating which element is non-zero. Support
2677 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2678 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2679 with one_var instead of ix86_expand_vector_init_low_nonzero.
2681 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2683 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2684 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2685 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2686 build/genextract.o): Depend on vecprim.h.
2687 * cfglayout.c, df-problems.c, function.c, genextract.c,
2688 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2689 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2693 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2695 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2696 Declare VECs of this type.
2697 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2698 (remove_children): Delete.
2699 (add_dwarf_attr): Use VEC routines.
2700 (add_AT_flag): Update for changes to add_dwarf_attr.
2701 (add_AT_int): Likewise.
2702 (add_AT_unsigned): Likewise.
2703 (add_AT_long_long): Likewise.
2704 (add_AT_vec): Likewise.
2705 (add_AT_string): Likewise.
2706 (add_AT_die_ref): Likewise.
2707 (add_AT_fde_ref): Likewise.
2708 (add_AT_loc): Likewise.
2709 (add_AT_loc_list): Likewise.
2710 (add_AT_addr): Likewise.
2711 (add_AT_lbl_id): Likewise.
2712 (add_AT_lineptr): Likewise.
2713 (add_AT_macptr): Likewise.
2714 (add_AT_offset): Likewise.
2715 (add_AT_range_list): Likewise.
2716 (get_AT): Use VEC_iterate.
2717 (remove_AT): Use VEC_ordered_remove.
2718 (free_die): Fold remove_children into here; have it use VEC_iterate.
2719 (print_die): Use VEC_iterate on attrs.
2720 (reverse_die_lists): Don't reverse attr lists.
2721 (die_checksum): Use VEC_iterate on attrs.
2722 (same_die_p): Likewise.
2723 (output_location_lists): Likewise.
2724 (build_abbrev_table): Likewise.
2725 (size_of_die): Likewise.
2726 (unmark_all_dies): Likewise.
2727 (output_abbrev_section): Likewise.
2728 (output_die): Likewise.
2729 (prune_unused_types_walk_attribs): Likewise.
2731 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2733 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2735 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2738 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2740 2006-04-09 Roger Sayle <roger@eyesopen.com>
2742 * expr.c (store_constructor): Don't bother clearing target if
2743 we're about to assign a vector to it using vec_init_optab.
2745 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2747 * tree-ssa-alias.c (lhs_may_store_to): New function.
2748 (recalculate_used_alone): Handle LHS of calls.
2750 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2754 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2755 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2756 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2757 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2758 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2759 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2760 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2761 stubs. Add ".align 8" directives before all ".dword" directives.
2762 (GTHREAD_USE_WEAK): Revise comment.
2763 (TARGET_ATTRIBUTE_WEAK): Define.
2764 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2765 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2766 * stublib.c: New file.
2771 * pa.md (cbranch patterns): Revise arguments used in calls to
2772 output_cbranch, output_bb and output_bvd. Add long branch length
2774 (fbranch patterns): Handle long branches.
2775 (jump): Revise length check. Revise arguments for output_lbranch call.
2776 Add long branch length attributes.
2777 (decrement_and_branch_until_zero): Add long branch length attributes.
2778 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2779 Likewise. Revise arguments for output_parallel_addb and
2780 output_parallel_movb calls.
2781 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2782 output_parallel_movb and output_parallel_addb): Update prototypes.
2783 * pa.c (output_cbranch): Revise arguments. Correct handling of
2784 nullification in long branches.
2785 (output_lbranch): Add new argument to control extraction of delay
2787 (output_bb): Handle long branches.
2788 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2789 output_parallel_addb): Likewise.
2791 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2793 PR rtl-optimization/27073
2794 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2797 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2799 * tree.h (tree_memory_tag): Add old_used_alone.
2800 (SMT_OLD_USED_ALONE): New macro.
2801 * tree-ssa-alias.c (recalculate_used_alone): Stop
2802 marking things for renaming unnecessarily.
2804 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2806 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2807 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2808 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2809 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2810 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2811 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2812 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2813 spelling convensions.
2814 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2815 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2816 typos. Follow spelling conventions.
2818 2006-04-07 DJ Delorie <dj@redhat.com>
2820 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2821 passed on the stack.
2822 (m32c_init_cumulative_args): When a function returns a structure,
2823 always pass the pointer to that return area on the stack.
2824 (m32c_function_arg_advance): Don't increment the parameter number
2825 if we're processing the returned structure pointer.
2826 (pushm_info): Reverse order of registers.
2828 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2830 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2831 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2832 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2833 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2835 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2836 chrec_fold_multiply): Same.
2837 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2838 force_expr_to_var_cost): Same.
2839 * tree-mudflap.c (mf_xform_derefs_1): Same.
2840 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2842 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2844 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2845 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2848 2006-04-07 Jan Hubicka <jh@suse.cz>
2850 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2852 2006-04-07 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/26135
2855 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2856 loads for store copy-prop.
2857 (copy_prop_visit_stmt): Likewise.
2859 2006-04-05 Robert Millan <robertmh@gnu.org>
2861 * config/i386/linux.h: Add a comment to mark macros that are
2862 being overriden in config/k*bsd-gnu.h.
2863 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2865 * config/knetbsd-gnu.h: Ditto.
2867 2006-04-06 Jan Hubicka <jh@suse.cz>
2871 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2874 2006-04-06 Mike Stump <mrs@apple.com>
2876 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2877 for HAVE_nonlocal_goto to be consistent.
2878 (expand_builtin_nonlocal_goto): Likewise.
2879 (expand_builtin_strcmp): Use #ifdef instead of #if
2880 for HAVE_cmpstrnsi to be consistent.
2882 2006-04-05 DJ Delorie <dj@redhat.com>
2884 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2887 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2889 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2890 got-relative addressing for anything but SImode.
2892 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2893 even if the calling function doesn't modify them.
2895 2006-04-05 Richard Guenther <rguenther@suse.de>
2897 PR tree-optimization/26919
2898 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2899 to cgraph_estimate_size_after_inlining.
2901 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2903 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2905 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2907 PR tree-optimization/26996
2908 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2909 VECTOR_TYPE variables.
2911 2006-04-05 Richard Guenther <rguenther@suse.de>
2913 PR tree-optimization/26763
2914 * fold-const.c (fold_comparison): Move folding of
2915 PTR + CST CMP PTR + CST ...
2916 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2918 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2920 * doc/install.texi (Prerequisites): Refine some wording on
2921 bootstrapping and ksh.
2922 Move the version numbers of DejaGnu here from the testing section
2923 and fix casing of names.
2924 Fix markup and clarify wording for autogen requirements.
2925 Refer to GCJ instead of just java.
2926 Refer to SVN instead of CVS.
2927 Describe diffutils as useful instead of necessary.
2928 (Downloading the source): Refer to SVN instead of CVS.
2929 Adjust a link to our web site accordingly.
2930 (Configuration): Fix casing of Bison.
2931 (Building): Refer to SVN instead of CVS.
2932 Fix a sentence on the use of Bison and remove duplicate (and
2933 incorrect) version number of Bison requirement.
2934 Remove one redundant list of packages needed for building.
2935 (Specific): Avoid reference to CVS.
2937 2006-04-04 Eric Christopher <echristo@apple.com>
2939 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2940 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2941 (rs6000_handle_struct_attribute): New.
2942 (rs6000_ms_bitfield_layout_p): Ditto.
2944 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2946 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2947 NULL for dso parameter to atexit_common.
2949 2006-04-04 Eric Christopher <echristo@apple.com>
2951 * config/i386/i386.c (machopic_output_stub): Output \t
2952 between instructions and operands.
2954 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2956 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2957 satisfies_constraint_[IL] to explicit tests on value.
2959 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2961 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2962 set_nb_iterations_in_loop): Use build_int_cst instead of
2964 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2965 build_int_cst instead of convert.
2967 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2969 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2970 new value 2 for incoming.
2971 * function.c (expand_function_start): Call struct_value_rtx
2973 * config/sparc/sparc.md: Comment updated_return.
2974 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2975 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2976 struct return if sparc_std_struct_return and incoming is 2.
2977 (print_operand): Do not adjust return if
2978 sparc_std_struct_return.
2980 2006-04-04 Roger Sayle <roger@eyesopen.com>
2982 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2983 convert in the middle-end.
2984 * expr.c (store_expr, store_constructor, get_inner_reference,
2985 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2987 * tree.c (build_range_type): Likewise.
2989 2006-04-04 Tom Tromey <tromey@redhat.com>
2991 * doc/install.texi (Prerequisites): Mention jar.
2993 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2995 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2998 2006-04-04 Matthias Klose <doko@debian.org>
3000 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3001 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3004 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3006 * doc/extend.texi (Function Attributes): Rewrite visibility
3007 attribute documentation.
3008 * doc/invoke.texi (C++ Dialect Options): Rewrite
3009 -fvisibility-inlines-hidden documentation to describe something
3010 entirely different, although in practise compatible.
3011 (Code Gen Options): Warn about system headers in -fvisibility=
3014 * doc/extend.texi (Other Builtins): Document that
3015 __builtin_nan is a compile-time constant only when its argument
3018 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3020 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3021 trying to remove TRUNCATE check if all bits outside the new mode
3022 are identical to the sign bit.
3024 2006-04-03 Jeff Law <law@redhat.com>
3026 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3027 and operand scanning in some common cases.
3029 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3030 Dale Johannesen <dalej@apple.com>
3033 * regclass.c (struct reg_pref): Update documentation.
3034 (regclass): Set prefclass to NO_REGS if memory is the best option.
3035 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3036 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3037 into account. For non-registers, equate an empty preferred
3038 reload class to a `!' in the constraint; move the if clause to
3039 do so after those that reject the insn.
3040 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3042 (find_dummy_reload): Likewise.
3043 * doc/tm.texi (Register Classes): Document what it means
3044 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3045 * config/i386/i386.c (ix86_preferred_reload_class): Force
3046 using SSE registers (and return NO_REGS for floating-point
3047 constants) if math is done with SSE.
3048 (ix86_preferred_output_reload_class): New.
3049 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3050 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3051 * config/i386/i386.md: Remove # register preferences.
3053 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3056 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3057 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3058 the type of nb_iter.
3059 (instantiate_parameters_1): Convert the operands before calling
3060 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3061 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3063 2006-04-02 Roger Sayle <roger@eyesopen.com>
3065 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3066 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3068 * dojump.c (do_jump): Likewise.
3069 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3070 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3071 gimplify_boolean_expr): Likewise.
3072 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3073 * varasm.c (array_size_for_constructor): Likewise.
3074 * tree-object-size.c (compute_object_offset): Likewise.
3076 2006-04-02 Roger Sayle <roger@eyesopen.com>
3079 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3080 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3082 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3084 PR tree-optimization/26939
3085 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3087 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3089 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3090 at_stmt. Convert the type of operands before calling
3091 build_polynomial_chrec.
3092 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3094 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3095 (instantiate_parameters_1): Convert the type of operands before calling
3096 build_polynomial_chrec.
3097 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3098 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3099 reset_evolution_in_loop): Insert asserts to check the types of the
3101 (chrec_type): Moved...
3102 (eq_evolutions_p): Use operand_equal_p.
3103 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3104 the types of the operands.
3105 (chrec_type): ...here.
3106 * tree-data-ref.c (create_data_ref): Convert the operands before
3107 calling chrec_replace_initial_condition.
3108 (same_access_functions, analyze_subscript_affine_affine,
3109 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3110 (compute_subscript_distance, analyze_ziv_subscript,
3111 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3112 analyze_miv_subscript): Convert the operands before calling
3113 chrec_fold_minus or chrec_fold_plus.
3115 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3117 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3118 the dependence_relations vector.
3119 (compute_data_dependences_for_loop): Adjust call to
3120 compute_all_dependences.
3122 2006-04-01 Roger Sayle <roger@eyesopen.com>
3123 Richard Henderson <rth@redhat.com>
3125 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3126 gimple_boolify on the condition before calling gimplify_expr.
3128 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3130 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3131 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3132 the frame size. Update to use the new macros.
3133 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3134 * config/xtensa/ieee754-df.S: Likewise.
3136 2006-03-31 Richard Henderson <rth@redhat.com>
3138 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3139 (make_edges): ... here. Control fallthru creation with a local
3140 variable. Do not play with fake edges.
3141 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3142 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3145 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3147 * dwarf2.h (DW64_CIE_ID): Define.
3148 * dwarf2out.c (DWARF_CIE_ID): Define.
3149 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3150 length header. Use DWARF_CIE_ID.
3151 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3152 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3154 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3156 * config/sh/linux-atomic.asm: New file.
3157 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3159 2006-03-31 DJ Delorie <dj@redhat.com>
3161 * config/m32c/cond.md: Set condition flags properly throughout.
3162 * config/m32c/minmax.md: Likewise.
3163 * config/m32c/prologue.md: Likewise.
3164 * config/m32c/bitops.md: Likewise.
3165 * config/m32c/muldiv.md: Likewise.
3166 * config/m32c/mov.md: Likewise.
3167 * config/m32c/addsub.md: Likewise.
3168 * config/m32c/m32c.md: Likewise.
3169 * config/m32c/jump.md: Likewise.
3170 * config/m32c/shift.md: Likewise.
3172 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3173 conditionally output the pattern for this.
3174 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3175 (m32c_compare_redundant): New.
3176 (m32c_output_compare): New.
3177 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3179 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3180 dest, not src. Allow other 4-byte modes.
3182 2006-03-30 Denis Chertykov <denisc@overta.ru>
3184 * doc/md.texi: Refer to avr/constraints.md instead of
3187 2006-03-30 Roger Sayle <roger@eyesopen.com>
3189 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3190 signed vs. unsigned comparison failures on some hosts.
3192 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3195 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3196 change to FLOAT_REGS.
3198 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3199 (rs6000_override_options): Use it.
3200 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3201 only for -mabi=spe/no-spe and -mabi=altivec.
3203 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3205 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3208 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3210 * Makefile.in: Rename docdir to gcc_docdir.
3212 2006-03-30 Roger Sayle <roger@eyesopen.com>
3215 * expr.c (emit_group_store): Optimize group stores into a pseudo
3216 register by using a paradoxical subreg to initialize the destination
3217 if the first or last member of the group specifies a "low part".
3219 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3222 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3223 * target.h (struct gcc_target.speculate_insn): Change type of the
3224 second parameter to 'int'.
3225 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3226 the second operand of the DEPS_LIST.
3227 (copy_DEPS_LIST_list): Update reference to the second operand of the
3229 * rtl.h (alloc_DEPS_LIST): Update signature.
3230 * sched-int.h (ds_t): Change typedef to 'int'.
3231 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3233 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3235 * haifa-sched.c (try_ready): Change condition to restore
3236 non-speculative pattern of the instruction.
3237 (process_insn_depend_be_in_spec): Code to keep probability of the
3238 speculative dependence non-decreasing.
3240 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3242 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3243 (single_move_for_movmem): ... this. Also change all uses.
3244 (bfin_expand_strmov): Renamed to...
3245 (bfin_expand_movmem): ... this. Also change all uses.
3246 * config/bfin/bfin.md (movstrsi): Renamed to...
3247 (movstrsi): ...this.
3249 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3251 PR tree-optimization/26830
3253 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3254 (copy_prop_visit_stmt): Remove write-only variable ann.
3255 (init_copy_prop): Check variable loop depth here. Do not simulate
3256 memory-tag and virtual operand PHIs except for store copy prop.
3258 2006-03-30 Richard Guenther <rguenther@suse.de>
3260 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3261 variants with double arguments.
3263 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3265 * genpreds.c (write_tm_constrs_h): Delete variable p.
3266 * genconditions.c (write_header): Add tm-constrs.h to included
3268 * genpeep.c (main): Add toplev.h to included headers.
3269 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3270 (build/genpeep.o): Add toplev.h dependency.
3271 * config/rs6000/constraints.md: Add "W" constraint.
3273 2006-03-29 Roger Sayle <roger@eyesopen.com>
3275 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3276 sizes by correctly testing whether the size fits a host integer.
3277 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3278 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3279 SImode range for the default sizetype and bitsizetype.
3281 2006-03-29 Roger Sayle <roger@eyesopen.com>
3283 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3284 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3285 quickly if the argument is already of the correct type.
3286 Call fold_build1 instead of build1. Tidy up blank lines.
3288 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3290 * genemit.c (main): Add tm-constrs.h to included headers.
3291 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3292 * genpeep.c (main): Add tm-constrs.h to included headers.
3293 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3294 (write_tm_constrs_h): this and write complete file.
3295 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3296 (write_insn_preds_c): Add tm-constrs.h to included headers.
3297 (gen_constrs): New variable.
3298 (parse_option): Parse "-c".
3299 (main): Invoke write_tm_constrs_h.
3300 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3301 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3302 (object_out_file): Add tm-constrs.h dependency.
3303 (insn-emit.o): Same.
3304 (insn-output.o): Same.
3305 (insn-peep.o): Same.
3306 (insn-preds.o): Same.
3307 (insn-recog.o): Same.
3308 (tm-constsr.h): New target.
3309 (s-constrs-h): New target.
3311 * config/rs6000/constraints.md: New file.
3312 * config/rs6000/rs6000.c: Include tm-constrs.h.
3313 (num_insn_constant_wide): Convert to satisfies_constraint.
3314 (rs6000_rtx_costs): Convert to satisfies_constraint.
3315 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3316 (CONST_OK_FOR_LETTER_P): Delete.
3317 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3318 (EXTRA_CONSTRAINT): Delete.
3319 (EXTRA_MEMORY_CONSTRAINT): Delete.
3320 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3321 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3322 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3323 satisfies_constraint.
3325 * config/i386/i386.c: Include tm-constrs.h.
3327 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3329 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3330 * tree-data-ref.c (find_data_references_in_loop,
3331 compute_data_dependences_for_loop): Use pointers to VEC.
3332 (analyze_all_data_dependences): Adjust calls.
3333 * tree-data-ref.h (find_data_references_in_loop,
3334 compute_data_dependences_for_loop): Adjust declarations.
3335 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3336 compute_data_dependences_for_loop.
3338 2006-03-29 Paul Brook <paul@codesourcery.com>
3340 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3343 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3345 PR tree-optimization/26859
3346 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3348 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3349 for the step after fold_convert.
3351 2006-03-29 Paul Brook <paul@codesourcery.com>
3353 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3354 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3356 2006-03-29 Paul Brook <paul@codesourcery.com>
3359 * targhooks.c (default_narrow_bitfield): New fuction.
3360 * targhooks.h (default_narrow_bitfield): add prototype.
3361 * target.h (gcc_target): Add narrow_volatile_bitfield.
3362 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3363 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3364 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3365 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3367 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3369 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3371 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3372 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3373 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3374 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3375 (s390_function_arg_float): Allow SDmode and DDmode values to be
3376 passed in floating point registers.
3377 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3378 check with SCALAR_FLOAT_MODE_P.
3379 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3381 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3383 PR tree-optimization/25985
3384 * tree-ssa-loop-niter.c (number_of_iterations_le,
3385 number_of_iterations_ne): Make comments more precise.
3386 (number_of_iterations_cond): Add only_exit argument. Use the
3387 fact that signed variables do not overflow only when only_exit
3389 (loop_only_exit_p): New.
3390 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3391 number_of_iterations_cond.
3393 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3395 PR tree-optimization/26643
3396 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3399 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3401 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3402 (divsi3_i4_int): Likewise.
3404 2006-03-28 Roger Sayle <roger@eyesopen.com>
3406 * expr.c (emit_group_store): Only create a new pseudo reg if the
3407 quantity it needs to hold isn't already a suitable pseudo.
3409 2006-03-28 Jeff Law <law@redhat.com>
3411 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3412 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3414 2006-03-28 Roger Sayle <roger@eyesopen.com>
3416 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3417 the equivalent ~X & Y, and the symmetry related transformations.
3418 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3419 ~X & Y, and symmetry related transforms.
3421 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3423 Revert my 2006-03-27 patches.
3425 2006-03-28 Roger Sayle <roger@eyesopen.com>
3427 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3428 ~(T1)X, when T1 and T2 are integer types of the same precision
3429 and (T2)X isn't an extension.
3431 2006-03-28 Jeff Law <law@redhat.com>
3433 PR tree-optimization/26796
3434 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3435 need EH edge cleanups rather than purging them immediately.
3436 (eliminate_degenerate_phis): Handle queued EH cleanups.
3438 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3440 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3443 2006-03-27 Roger Sayle <roger@eyesopen.com>
3446 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3447 cast BIT_NOT_EXPR operand to the correct type.
3449 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3451 * tree-loop-linear.c: Don't include varray.h.
3452 (gather_interchange_stats, try_interchange_loops,
3453 linear_transform_loops): Use VEC instead of VARRAY.
3454 * lambda-mat.c: Don't include varray.h.
3455 * tree-chrec.c: Same.
3456 * lambda-trans.c: Same.
3457 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3458 VEC instead of VARRAY.
3459 * tree-vectorizer.h: Idem.
3460 * tree-data-ref.c (dump_data_references,
3461 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3462 initialize_data_dependence_relation, finalize_ddr_dependent,
3463 compute_all_dependences, find_data_references_in_loop,
3464 compute_data_dependences_for_loop, analyze_all_data_dependences,
3465 free_dependence_relation, free_dependence_relations,
3466 free_data_refs): Idem.
3467 * tree-data-ref.h (data_reference_p, subscript_p): New.
3468 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3469 VEC instead of VARRAY.
3470 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3471 (find_data_references_in_loop, compute_data_dependences_for_loop,
3472 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3473 dump_data_dependence_relations, free_dependence_relations,
3474 free_data_refs): Adjust declaration.
3475 (lambda_transform_legal_p): Move declaration here...
3476 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3477 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3478 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3479 vect_analyze_data_refs): Use VEC instead of VARRAY.
3480 * lambda.h (lambda_transform_legal_p): ...from here.
3481 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3482 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3483 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3484 tree-chrec.o): Don't depend on VARRAY_H.
3486 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3488 * rtl.def (Copyright): Update date.
3489 (DEPS_LIST): Change type of the second operand to 'int'.
3490 * target.h (Copyright): Update date.
3491 (struct gcc_target.speculate_insn): Change type of the second parameter
3493 * lists.c (Copyright): Update date.
3494 (alloc_DEPS_LIST): Change signature. Update reference to the second
3495 operand of the DEPS_LIST.
3496 (copy_DEPS_LIST_list): Update reference to the second operand of the
3498 * rtl.h (Copyright): Update date.
3499 (alloc_DEPS_LIST): Update signature.
3500 * sched-int.h (Copyright): Update date.
3501 (ds_t): Change typedef to 'int'.
3502 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3504 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3506 * haifa-sched.c (Copyright): Update date.
3507 (try_ready): Change condition to restore non-speculative pattern
3509 (process_insn_depend_be_in_spec): Code to keep probability of the
3510 speculative dependence non-decreasing.
3512 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3514 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3515 shut up the compiler.
3517 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3519 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3520 to use lib prefix for target.
3521 ($(T)libic_invalidate_array_4-200.a): Likewise.
3522 ($(T)libic_invalidate_array_4a.a): Likewise.
3524 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3525 J"orn Rennecke <joern.rennecke@st.com>
3527 * superh.opt: New file.
3528 * sh.c (boardtype, osruntime): Remove.
3529 * superh.h (SUBTARGET_OPTIONS): Remove.
3530 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3532 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3533 arguments with ^ and/or [].
3535 * config.gcc (sh-*-*): Add quoting to account for quirk of
3537 Replace == with = in enable_incomplete_targets test.
3539 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3540 with MASK_LITTLE_ENDIAN.
3542 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3543 * config/sh/sh.opt: Added to some comments.
3544 * config/sh/superh.h: Removed some chaff.
3546 * config/sh/sh.opt: Add m4-[1234]00* options.
3547 * config/sh/sh.c (sh_handle_option): Likewise.
3548 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3549 (ic_invalidate_array_4-100.o): New rule.
3550 ($(T)libic_invalidate_array_4-100.a): Likewise.
3551 (ic_invalidate_array_4-200.o): Likewise.
3552 ($(T)libic_invalidate_array_4-200.a): Likewise.
3553 (ic_invalidate_array_4a.o): Likewise.
3554 ($(T)libic_invalidate_array_4a.a): Likewise.
3555 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3556 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3558 * config/sh/crt1.asm: Merged in profiling code.
3559 * config/sh/superh.h (STARTFILE_SPEC): Override.
3560 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3561 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3562 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3564 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3565 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3566 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3568 * sh.opt (mpretend-cmove): New option.
3569 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3570 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3571 (movsicc): Add TARGET_PRETEND_CMOVE code.
3573 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3575 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3576 s390_class_max_nregs): New function prototypes.
3577 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3578 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3579 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3580 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3582 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3584 * dwarf2out.c (add_location_or_const_value_attribute): Call
3585 tree_add_const_value_attribute if nothing else works.
3586 (reference_to_unused): New.
3587 (rtl_for_decl_init): Use reference_to_unused to decide whether
3588 to output an initializer.
3590 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3593 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3594 peephole removing spe frob_di_df_2.
3596 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3598 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3599 (subscript_dependence_tester_1): Declared.
3600 (print_dir_vectors, print_dist_vectors): New.
3601 (debug_data_dependence_relation): New.
3602 (dump_data_dependence_relation): Print more details.
3603 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3604 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3605 (save_dist_v, save_dir_v, add_outer_distances,
3606 build_classic_dist_vector_1): New.
3607 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3608 Don't test for lambda_vector_lexico_pos.
3609 (same_access_functions, add_multivariate_self_dist,
3610 add_other_self_distances, dir_from_dist): New.
3611 (build_classic_dir_vector): Replace implementation almost identical to
3612 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3614 (subscript_dependence_tester_1): New.
3615 (subscript_dependence_tester): Handle the lexicographically negative
3616 distance vectors by recomputing the dependence relation.
3617 (compute_affine_dependence): Remove parameter loop_nest_depth.
3618 (compute_self_dependence): Don't call compute_subscript_distance.
3619 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3620 Add a parameter for the loop_nest.
3621 (find_loop_nest_1, find_loop_nest): New.
3622 (compute_data_dependences_for_loop): Compute the loop nest, and give
3623 up if the nest is not well formed.
3624 * tree-data-ref.h (loop_p): New.
3625 (struct data_dependence_relation): Replace size_vect field with
3626 loop_nest, a vec of loops.
3627 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3628 (DDR_LOOP_NEST): New.
3629 (print_dir_vectors, print_dist_vectors,
3630 debug_data_dependence_relation): Declared.
3631 (index_in_loop_nest): New.
3632 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3633 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3636 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3638 * simplify-rtx.c (simplify_relational_operation): Call
3639 simplify_relational_operation_1 even if mode is VOIDmode.
3641 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3643 PR tree-optimization/26804
3644 * tree.h (DECL_CALL_CLOBBERED): New macro.
3645 (tree_decl_common): Add call_clobbered_flag.
3646 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3647 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3648 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3649 (mark_non_addressable): Ditto.
3650 * tree-ssa.c (verify_call_clobbered): New function.
3651 (verify_alias_info): Use it.
3652 * tree-pass.h (pass_reset_cc_flags): New prototype.
3653 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3654 (reset_cc_flags): New function.
3655 * passes.c (init_optimization_passes): Call reset_cc_flags after
3656 initializing referenced_vars.
3658 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3659 Roger Sayle <roger@eyesopen.com>
3662 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3663 to 1.0 for non-real operands. Implement A / A optimization for
3666 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3668 * config/i386/i386.c (size_cost): Correct the comment for
3669 cost of storing fp registers.
3670 (i386_cost): Likewise.
3671 (i486_cost): Likewise.
3672 (pentium_cost): Likewise.
3673 (pentiumpro_cost): Likewise.
3674 (k6_cost): Likewise.
3675 (athlon_cost): Likewise.
3676 (k8_cost): Likewise.
3677 (pentium4_cost): Likewise.
3678 (nocona_cost): Likewise.
3679 (generic64_cost): Likewise.
3680 (generic32_cost): Likewise.
3682 2006-03-24 Denis Chertykov <denisc@overta.ru>
3684 * config/avr/avr-protos.h (extra_constraint): Delete.
3685 (extra_constraint_Q): New declaration.
3686 * config/avr/constraints.md: New file.
3687 * config/avr/avr.md: Include it.
3688 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3689 (TMP_REGNO, ZERO_REGNO): Likewise.
3690 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3691 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3692 (extra_constraint): Delete.
3693 (extra_constraint_Q): Test for memory constraint 'Q'.
3694 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3695 (REG_CLASS_FROM_LETTER): Delete.
3696 (CONST_OK_FOR_LETTER_P): Delete.
3697 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3698 (EXTRA_CONSTRAINT): Delete.
3699 (TMP_REGNO): Delete.
3700 (ZERO_REGNO): Delete.
3702 2006-03-24 Jeff Law <law@redhat.com>
3704 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3705 directly. Call mark_new_vars_to_rename slightly earlier.
3707 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3709 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3711 (gen_compile_unit_die): Use new language types for Objective-C and
3713 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3714 DW_LANG_C_plus_plus.
3717 * config/t-darwin (crt3.o): Work around bug 26840.
3718 * config/darwin-crt3.c: Rewrite.
3719 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3721 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3723 * doc/invoke.texi: Document -femit-class-debug-always
3724 * common.opt: Add -femit-class-debug-always.
3726 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3728 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3729 index and base register.
3730 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3731 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3732 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3733 REGNO_OK_FOR_INDEX_P.
3734 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3736 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3737 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3738 REG_OK_FOR_BASE_P): Definitions removed.
3740 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3743 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3744 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3745 set yet or weren't marked as local yet.
3747 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3749 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3752 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3754 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3755 (rs6000_legitimate_small_data_p): Delete.
3756 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3757 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3758 and make static. Add forward declaration. Update uses.
3759 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3760 of offsettable_memref_p.
3761 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3762 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3764 2006-03-24 Jeff Law <law@redhat.com>
3766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3767 around bug in immediate-use iterator.
3769 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3772 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3773 or __LITTLE_ENDIAN__.
3775 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3777 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3778 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3779 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3780 * config/sh/sh.opt (mdiv=): Amend description.
3781 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3782 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3783 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3784 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3785 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3786 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3787 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3788 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3789 TARGET_DIVIDE_CALL_FP.
3791 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3793 * haifa-sched.c (choose_ready): Fix type of the local variable.
3794 Move local variables. Add comment.
3795 (check_reg_live): Change signature. Make callable from debugger.
3796 * sched-int.h (check_reg_live): Update signature.
3797 * sched-ebb.c (check_reg_live): Update parameters.
3798 * sched-rgn.c (check_reg_live): Ditto.
3799 (region_head_or_leaf_p): Check pointer before dereferencing.
3800 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3801 before reload on optimization levels below 1.
3803 2006-03-23 Richard Henderson <rth@redhat.com>
3805 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3809 * config/alpha/predicates.md (local_symbolic_operand): Reject
3812 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3815 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3816 expressions which have overflowed constants.
3818 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3820 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3822 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3824 * cfgloopmanip.c (create_loop_notes): Removed.
3825 * final.c (final_scan_insn): Do not handle loop notes.
3826 * jump.c (squeeze_notes): Ditto.
3827 * cfglayout.c (skip_insns_after_block,
3828 duplicate_insn_chain): Ditto.
3829 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3831 * cfgloop.h (create_loop_notes): Declaration removed.
3833 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3835 * varasm.c (output_constant_pool): Restore fnname and fndecl
3837 (assemble_start_function): Adjust call accordingly.
3838 (assemble_end_function): Likewise.
3840 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3843 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3846 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3848 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3851 * system.h (ICE_EXIT_CODE): New macro.
3852 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3853 (diagnostic_action_after_output): Likewise.
3854 * gcc.c (fatal_ice): New function.
3855 (execute): Use it instead of fatal.
3856 (fancy_abort): Likewise.
3857 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3859 2006-03-22 Jeff Law <law@redhat.com>
3861 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3862 iv_analyze_result returning false.
3864 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3866 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3868 2006-03-22 Richard Henderson <rth@redhat.com>
3871 * except.c (duplicate_eh_regions_0): New.
3872 (duplicate_eh_region_1): Duplicate the children of the node as
3873 well as the node itself. Link them up properly.
3874 (duplicate_eh_region_2): Merge into ...
3875 (duplicate_eh_regions): ... here. Take copy_region argument, and
3876 copy only a sub-tree if asked. Simplify copying and fixup.
3877 (eh_region_outer_p): New.
3878 * except.h (duplicate_eh_regions): Update decl.
3879 (eh_region_outer_p): Declare.
3880 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3881 (lower_omp_master): Likewise.
3882 (lower_omp_ordered): Likewise.
3883 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3884 (move_stmt_r): Use it to remap labels. Handle recursion vs
3885 remap_decls_p properly.
3886 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3887 (find_outermost_region_in_block): New.
3888 (new_label_mapper): New.
3889 (move_sese_region_to_fn): Copy eh information to the new function
3891 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3893 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3896 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3898 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3899 into shared libraries.
3901 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3903 * doc/md.texi: Refer to i386/constraints.md instead of
3905 * config/i386/constraints.md: New file, extracted from...
3906 * config/i386/predicates.md: ...here.
3907 * config/i386/i386.md: Include constraints.md.
3909 2006-03-21 Jason Merrill <jason@redhat.com>
3911 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3914 * expr.c (init_block_move_fn): Force default visibility.
3915 (init_block_clear_fn): Likewise.
3916 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3917 * targhooks.c (default_external_stack_protect_fail): Likewise.
3919 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3921 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3922 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3923 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3924 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3925 (loadgp): Use mips_current_loadgp_style.
3926 (loadgp_noshared): New pattern.
3927 (sibcall_internal): Use MIPS_CALL.
3928 (sibcall_value_internal): Likewise.
3929 (sibcall_value_multiple_internal): Likewise.
3930 (call_internal): Likewise.
3931 (call_value_internal): Likewise.
3932 (call_value_multiple_internal): Likewise.
3933 (call_split): Use MIPS_CALL and add an 'S' constraint.
3934 (call_value_split): Likewise.
3935 (call_value_multiple_split): Likewise.
3936 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3937 (-mshared): New option.
3938 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3939 (mips_current_loadgp_style): Declare.
3940 * config/mips/mips.c (mips_classify_symbol): Avoid using
3941 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3942 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3943 TARGET_ABSOLUTE_ABICALLS.
3944 (override_options): Adjust comments. Improve the warning that is
3945 issued when -mabicalls and -G are used together.
3946 (mips_file_start): Remove comment.
3947 (mips_current_loadgp_style): New function.
3948 (mips_gnu_local_gp): New variable.
3949 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3951 (mips_output_function_prologue): Use mips_current_laodgp_style.
3952 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3953 the cprestore instruction.
3954 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3955 live for TARGET_ABSOLUTE_ABICALLS.
3956 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3957 (ASM_SPEC): Pass down -mshared and -mno-shared.
3958 (MIPS_CALL): New macro.
3959 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3961 * doc/invoke.texi (-mabicalls): Update documentation.
3962 (-mshared): Document.
3964 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3966 * config/ia64/unwind-hpux.c: New file.
3967 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3969 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3972 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3974 2006-03-21 Jeff Law <law@redhat.com>
3976 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3977 type conversions of a VR_VARYING source to a wider type.
3979 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3981 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3982 tm_file on Solaris 10 and later.
3983 (sparc64-*-solaris2*): Likewise.
3984 (sparc-*-solaris2*): Likewise.
3985 * config/sol26.h: Rename to config/sol2-6.h.
3986 * config/sol2-10.h: New file.
3988 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3991 * tree-ssa-pre.c (create_component_ref_by_pieces):
3994 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3997 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3998 return it immediately.
4000 2006-03-21 Michael Matz <matz@suse.de>
4002 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4004 (remove_arc, add_arc): Update num_out_arcs member.
4005 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4007 (cache_presence): New function.
4008 (compare_states_for_equiv): New function.
4009 (state_is_differed): Don't take number of outargs, adjust callers.
4010 Use new invariant for speeding up.
4011 (init_equiv_class): Create initial classes based on sorted
4013 (partition_equiv_class): Don't track out_arcs_num.
4014 (evaluate_equiv_classes): Call cache_presence on all states and
4017 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4019 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4020 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4021 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4022 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4024 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4025 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4026 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4027 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4028 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4030 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4031 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4032 (REGNO_REG_CLASS): ARGP is in PREGS.
4033 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4035 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4036 to deal with those addresses.
4037 * addresses.h: New file.
4038 * caller-save.c: Include "addresses.h".
4039 (init_caller_save): Use new base_reg_class function.
4040 * rtl-factoring.c: Include "addresses.h".
4041 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4042 * recog.c: Include "addresses.h".
4043 (preprocess_constraints): Use new base_reg_class function.
4044 * regrename.c: Include "addresses.h".
4045 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4046 functions. Keep track of a new var INDEX_CODE to compute valid
4048 (replace_oldest_value_addr): Likewise.
4049 (replace_oldest_value_mem): Use base_reg_class.
4050 * reload.c: Include "addresses.h".
4051 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4052 (find_reloads): Use new base_reg_class function.
4053 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4054 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4055 all callers and prototype changed.
4056 * reload1.c: Include "addresses.h".
4057 (maybe_fix_stack_asms): Use base_reg_class.
4058 * regclass.c: Include "addresses.h".
4059 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4060 (init_reg_autoinc): Use new base_reg_class function.
4061 (record_reg_classes): Likewise.
4062 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4063 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4064 Use new args to compute necessary class.
4066 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4067 regrename.o, rtl-factoring.o): Update dependencies.
4068 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4069 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4070 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4071 REG_OK_FOR_INDEX_P): Delete documentation.
4073 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4075 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4076 from V7 to V9 for Solaris 7 and above.
4078 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4080 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4081 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4082 argument pointers may not alias any other storage.
4083 * common.opt: Define option -fargument-noalias-anything.
4084 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4085 alias semantics is specified by flag_argument_noalias > 2.
4087 2006-03-20 Jeff Law <law@redhat.com>
4089 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4090 (pass_phi_only_cprop): Declare.
4091 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4093 * tree-ssa-dom.c (degenerate_phi_result): New function.
4094 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4095 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4096 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4097 (eliminate_degenerate_phis): Likewise.
4098 (pass_phi_only_cprop): New pass descriptor.
4099 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4100 support code. Callers updated.
4101 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4102 (store_copy_prop): Likewise.
4103 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4105 2006-03-20 Jason Merrill <jason@redhat.com>
4108 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4109 (push_visibility, pop_visibility): Likewise.
4110 * c-pragma.h: Declare them.
4112 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4114 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4116 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4117 parameter and use get_ebb_head_tail.
4118 (sh_md_init_global): Adjust uses of find_regmode_weight.
4120 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4122 * function.h (struct function) <x_tail_recursion_reentry>:
4123 Rename to x_stack_check_probe_note.
4124 (tail_recursion_reentry): Rename to stack_check_probe_note.
4125 * function.c: Replace tail_recursion_reentry with
4126 stack_check_probe_note everywhere.
4127 (expand_function_start): Only emit a note for
4128 stack_check_probe_note with -fstack-protect.
4129 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4131 * emit-rtl.c (remove_unnecessary_notes): Remove.
4132 (pass_remove_unnecessary_notes): Remove.
4133 * rtl.h (remove_unnecessary_notes): Remove prototype.
4134 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4135 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4136 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4138 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4141 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4142 (valid_in_set): Handle ARRAY_REF.
4143 Change "if min_variant or VH" to asserts.
4144 (create_component_ref_by_pieces): Handle ARRAY_REF.
4145 (create_expression_by_pieces): Likewise.
4146 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4148 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4150 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4151 is operand of switch, not str[0].
4153 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4155 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4156 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4158 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4160 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4161 end of insn_extra_address_constraint declaration.
4163 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4165 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4166 (no-sum-in-toc): Same.
4167 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4169 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4170 NO_FP_IN_TOC for -fPIC instead of mask.
4172 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4173 (BOOT_LDFLAGS): Delete.
4175 * config/rs6000/t-aix52: Same.
4177 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4178 (stmsi[345678]_power): New.
4180 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4182 * config/ia64/ia64.opt: Add empty line to end of file.
4184 2006-03-17 Richard Guenther <rguenther@suse.de>
4187 * builtins.c (get_pointer_alignment): For component style references
4188 adjust alignment to the component type alignment. Make sure
4189 to adjust alignment for component access of constants.
4191 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4193 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4196 2006-03-17 Paul Brook <paul@codesourcery.com>
4198 * doc/install.texi: Docuemnt --with-mode.
4199 * config.gcc: Add --with-mode for arm*-*-*.
4200 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4202 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4204 * sh.c (max_labelno_before_reorg): New variable.
4205 (sh_reorg): Initialize it.
4206 (find_barrier): Check max_labelno_before_reorg before using
4207 label_to_alignment. Take length of explicit alignment insns
4208 into account. When seeing a UNSPECV_CONST_END, return it.
4210 * sh.c (fixup_mova): Set mode of affected label to QImode.
4211 (untangle_mova): New function.
4212 (find_barrier): Use it. Check mode of label before decrementing
4214 (sh_reorg): Likewise.
4215 Set mode of all insns back to VOIDmode.
4217 * sh.c (MOVA_LABELREF): New macro.
4218 (mova_p, fixup_mova, sh_reorg): Use it.
4219 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4220 ADDR_DIFF_VEC matches mova.
4222 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4224 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4225 with ATTRIBUTE_UNUSED.
4227 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4229 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4230 pointer, instead of assuming it is possible to derive the
4231 correct args size from a call insn.
4233 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4235 * rtl.h (CONST_INT_P): Define.
4236 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4237 instead of GET_CODE(x) == CONST_INT.
4238 (vax_rtx_costs): Likewise.
4239 (vax_output_int_move): Likewise.
4240 (vax_output_int_add): Likewise.
4241 (legitimate_constant_address_p): Likewise.
4242 (index_term_p): Likewise.
4243 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4244 * config/vax/vax.md (and<mode>3): Likewise.
4245 (ashrsi3): Likewise.
4247 (movstricthi): Likewise.
4248 (movstrictqi): Likewise.
4249 (rotrsi3): Likewise.
4250 (five unnamed insns): Likewise.
4252 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4254 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4255 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4256 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4257 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4258 Pass to ASM_OUTPUT_DWARF_OFFSET.
4259 * dwarf2out.c (debug_frame_section): New.
4260 (output_call_frame_info): Use debug_frame_section. Pass it to
4261 dw2_asm_output_offset.
4262 (output_die): Pass appropriate section to dw2_asm_output_offset.
4263 (output_compilation_unit_header): Likewise.
4264 (output_pubnames): Likewise.
4265 (output_aranges): Likewise.
4266 (enum dw_val_class): Break dw_val_class_lbl_offset into
4267 dw_val_class_lineptr and dw_val_class_macptr.
4268 (add_AT_lbl_offset): Delete.
4269 (add_AT_lineptr): New.
4270 (add_AT_macptr): New.
4271 (AT_lbl): Expect a lineptr or macptr.
4272 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4273 (attr_checksum): Likewise.
4274 (same_dw_val_p): Likewise.
4275 (size_of_die): Likewise.
4276 (value_format): Likewise.
4277 (output_die): Likewise.
4278 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4280 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4281 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4282 * config/darwin-protos.h (darwin_file_start): New.
4283 (darwin_asm_output_dwarf_offset): New.
4284 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4285 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4287 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4288 if not EH section; simplify.
4289 (darwin_file_start): New.
4290 (darwin_asm_output_dwarf_offset): New.
4291 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4293 (DEBUG_INFO_SECTION): Likewise.
4294 (DEBUG_ABBREV_SECTION): Likewise.
4295 (DEBUG_ARANGES_SECTION): Likewise.
4296 (DEBUG_MACINFO_SECTION): Likewise.
4297 (DEBUG_LINE_SECTION): Likewise.
4298 (DEBUG_LOC_SECTION): Likewise.
4299 (DEBUG_PUBNAMES_SECTION): Likewise.
4300 (DEBUG_STR_SECTION): Likewise.
4301 (DEBUG_RANGES_SECTION): Likewise.
4302 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4303 (ASM_OUTPUT_DWARF_OFFSET): New.
4305 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4307 * config.gcc (tm_defines): Always add to previous value rather
4310 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4312 * config/mips/predicates.md (splittable_const_int_operand): New,
4313 split from move_operand.
4314 (splittable_symbolic_operand): New.
4315 (move_operand): Add commentary. Use splittable_const_int_operand.
4316 Inline mips_atomic_symbolic_constant_p.
4317 * config/mips/mips.md: Add combine splitters for handling moves
4318 of splittable_const_int_operands and splittable_symbolic_operands.
4319 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4320 (mips_split_symbol): Declare.
4321 (mips_move_integer): Declare.
4322 * config/mips/mips.c (mips_split_p): Make global.
4323 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4324 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4325 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4326 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4327 (mips_offset_within_object_p): Handle block symbols.
4328 (mips_atomic_symbolic_constant_p): Delete.
4329 (mips_cannot_force_const_mem): Return false for constants that
4330 mips_legitimize_move can handle.
4331 (mips_use_blocks_for_constant_p): New function.
4332 (mips_split_symbol): Make global.
4333 (mips_move_integer): Likewise. Add a temporary register argument.
4334 (mips_legitimize_const_move): Use splittable_const_int_operand and
4335 splittable_symbolic_operand.
4336 (mips_use_anchors_for_symbol_p): New function.
4337 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4338 (mips_split_p): Declare.
4340 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4342 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4343 (mips*-*-linux*): Likewise.
4345 2006-03-16 Roger Sayle <roger@eyesopen.com>
4346 Daniel Speyer <dspeyer@wam.umd.edu>
4349 * tree-dump.c (dump_real): New function.
4350 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4351 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4352 (tree-dump.o): Add $(REAL_H) to the dependencies.
4354 2006-03-16 Roger Sayle <roger@eyesopen.com>
4357 * real.c (real_from_string): If the mantissa is zero, don't bother
4358 parsing the exponent as the result should always be zero.
4360 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4362 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4364 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4366 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4367 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4368 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4369 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4370 ia64_sched_finish_global): New static functions to implement
4371 hooks from gcc_target.sched.
4372 (spec_check_no, max_uid, pending_data_specs): New static variables.
4373 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4374 ia64_spec_check_src_p): New static functions.
4375 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4376 (TARGET_SCHED_ADJUST_COST): Removed.
4377 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4378 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4379 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4380 TARGET_SCHED_GEN_CHECK,
4381 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4382 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4383 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4384 Fixed to handle speculation checks.
4385 (rtx_needs_barrier): Fixed to handle speculative loads and
4387 (ia64_variable_issue): Added code to count speculative loads and their
4389 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4391 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4393 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4395 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4396 (ia64_reorg): Reset stops_p to NULL after it is freed.
4397 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4398 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4399 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4401 (data_speculative, control_speculative, check_load): New attributes.
4402 (mov<mode>_advanced, mov<mode>_speculative,
4403 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4404 zero_extend<mode>di2_speculative,
4405 zero_extend<mode>di2_speculative_advanced): New patterns for
4406 data and control speculative loads.
4407 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4409 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4410 New pattern for data and control speculation checks.
4411 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4412 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4413 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4414 Auxiliary definitions for the patterns.
4415 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4416 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4418 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4420 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4421 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4422 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4423 New resource constraints.
4424 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4426 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4427 * config/ia64/ia64.opt (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): New flags to tune speculative
4434 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4435 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4436 msched-in-control-spec, msched-ldc, msched-control-ldc,
4437 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4438 msched-prefer-non-control-spec-insns,
4439 msched-count-spec-in-critical-path): Document new flags.
4441 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4443 * target.h (struct spec_info_def): New opaque declaration.
4444 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4445 speculate_insn, needs_block_p, gen_check,
4446 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4447 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4448 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4449 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4450 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4451 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4453 (TARGET_SCHED): Use new macros.
4454 * rtl.h (copy_DEPS_LIST_list): New prototype.
4455 * sched-int.h (struct sched_info): Change signature of new_ready field,
4456 adjust all initializations. New fields: add_remove_insn,
4457 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4458 region_head_or_leaf_p.
4459 (struct spec_info_def): New structure declaration.
4460 (spec_info_t): New typedef.
4461 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4462 recovery_block, orig_pat.
4463 (glat_start, glat_end): New variables declaraions.
4464 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4466 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4467 DETACH_LIFE_INFO, USE_GLAT.
4468 (enum SPEC_SCHED_FLAGS): New enumeration.
4469 (NOTE_NOTE_BB_P): New macro.
4470 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4471 attach_life_info, debug_spec_status, check_reg_live): New functions.
4472 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4473 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4475 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4476 * ddg.c (get_block_head_tail): Adjust all uses.
4477 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4478 (sms_sched_info): Initialize new fields.
4479 (contributes_to_priority): Removed.
4480 * haifa-sched.c (params.h): New include.
4481 (get_block_head_tail): Adjust all uses.
4482 (ISSUE_POINTS): New macro.
4483 (glat_start, glat_end): New global variables.
4484 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4485 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4486 old_last_basic_block, before_recovery, current_sched_info_var,
4487 rgn_n_insns, luid): New static variables.
4488 (insn_cost1): New function. Move logic from insn_cost to here.
4489 (find_insn_reg_weight1): New function. Move logic from
4490 find_insn_reg_weight to here.
4491 (reemit_notes, move_insn, max_issue): Change signature.
4492 (move_insn1): Removed.
4493 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4494 extend_bb): New static functions to support extension of scheduler's
4496 (generate_recovery_code, process_insn_depend_be_in_spec,
4497 begin_speculative_block, add_to_speculative_block,
4498 init_before_recovery, create_recovery_block, create_check_block_twin,
4499 fix_recovery_deps): New static functions to support
4500 generation of recovery code.
4501 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4502 restore_bb_notes, move_block_after_check, move_succs): New static
4503 functions to support ebb scheduling.
4504 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4505 functions to support handling of register live information.
4506 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4507 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4508 add_jump_dependencies): New static functions.
4509 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4510 consistancy checking.
4511 (debug_spec_status): New function to call from debugger.
4512 (priority): Added code to handle speculation checks.
4513 (rank_for_schedule): Added code to distinguish speculative instructions.
4514 (schedule_insn): Added code to handle speculation checks.
4515 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4516 Fixed to handle ebbs.
4517 (move_insn): Added code to handle ebb scheduling.
4518 (max_issue): Added code to use ISSUE_POINTS of instructions.
4519 (choose_ready): Added code to choose between speculative and
4520 non-speculative instructions.
4521 (schedule_block): Added code to handle ebb scheduling and scheduling of
4522 speculative instructions.
4523 (sched_init): Initialize new variables.
4524 (sched_finish): Free new variables. Print statistics.
4525 (try_ready): Added code to handle speculative instructions.
4526 * lists.c (copy_DEPS_LIST_list): New function.
4527 * sched-deps.c (extend_dependency_caches): New function. Move logic
4528 from create_dependency_caches to here.
4529 (get_dep_weak, ds_merge): Make global.
4530 * genattr.c (main): Code to output prototype for
4531 dfa_clear_single_insn_cache.
4532 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4533 (output_dfa_clean_insn_cache_func): Code to output
4534 dfa_clear_single_insn_cache function.
4535 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4537 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4539 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4540 New static variables.
4541 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4542 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4544 (ebb_sched_info): Initialize new fields.
4545 (get_block_head_tail): Adjust all uses.
4546 (compute_jump_reg_dependencies): Fixed to use glat_start.
4547 (schedule_ebb): Code to remove unreachable last block.
4548 (schedule_ebbs): Added code to update register live information.
4549 * sched-rgn.c (region_sched_info): Initialize new fields.
4550 (get_block_head_tail): Adjust all uses.
4551 (last_was_jump): Removed. Adjust users.
4552 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4553 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4554 Implement new hooks.
4555 (check_dead_notes1): New static function.
4556 (struct region): New fields: dont_calc_deps, has_real_ebb.
4557 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4558 (BB_TO_BLOCK): Fixed to handle EBBs.
4559 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4560 (ebb_head): New static variable.
4561 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4562 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4564 (compute_dom_prob_ps): New assertion.
4565 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4566 global_live_at_start.
4567 (init_ready_list): New assertions.
4568 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4569 (new_ready): Add support for BEGIN_CONTROL speculation.
4570 (schedule_insns): Fixed code that updates register live information
4572 (schedule_region): Fixed to handle EBBs.
4573 (init_regions): Use extend_regions and check_dead_notes1.
4574 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4575 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4576 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4577 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4578 TARGET_SCHED_GEN_CHECK,
4579 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4580 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4581 * doc/invoke.texi (max-sched-insn-conflict-delay,
4582 sched-spec-prob-cutoff): Document.
4584 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4586 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4587 inter_tick, queue_index.
4588 (struct sched_info): Change signature of init_ready_list field.
4589 Adjust all initializations.
4590 (RESOLVED_DEPS): New access macro.
4591 (ready_add): Remove prototype.
4592 (try_ready): Add prototype.
4593 * sched-rgn.c (init_ready_list): Use try_ready.
4594 (schedule_region): Initialize
4595 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4596 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4597 (init_ready_list): Use try_ready.
4598 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4599 * lists.c (remove_list_elem): Remove `static'.
4600 (remove_free_INSN_LIST_elem): New function.
4601 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4602 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4603 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4605 (readyp): New variable.
4606 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4607 change_queue_index, resolve_dep): New static functions.
4608 (try_ready): New function. Adjust callers in sched-rgn.c and
4609 sched-ebb.c to use it instead of ready_add.
4610 (clock_var): Move at the begining of file.
4611 (rank_for_schedule): Fix typo.
4612 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4613 (ready_lastpos): Enforce assertion.
4614 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4616 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4617 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4618 (queue_to_ready): Use free_INSN_LIST_list.
4619 (early_queue_to_ready): Fix typo.
4620 (schedule_block): Init readyp. Move init_ready_list call after the
4621 initialization of clock_var. Fix error in rejecting insn by
4622 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4623 that previously corrected INSN_TICKs. Add code for handling
4625 (set_priorities): Fix typo.
4626 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4627 Clarify comment and code that keeps current_sched_info->next_tail
4630 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4632 * sched-rgn.c (extend_rgns): New static function.
4633 (find_rgns): Use it.
4634 (gather_region_statistics, print_region_statistics): New static
4636 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4637 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4640 Andrey Belevantsev <abel@ispras.ru>
4642 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4643 * lists.c (unused_deps_list): New variable.
4644 (free_list): Add assertions to verify the proper distinguishing
4645 between INSN_LISTs and DEPS_LISTs.
4646 (find_list_elem, remove_list_elem, remove_list_node): New static
4648 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4649 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4650 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4651 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4653 (free_INSN_LIST_node): Likewise.
4654 * modulo-sched.c (current_sched_info): Initialize flags field.
4655 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4656 * rtl.def (DEPS_LIST): Define.
4657 * rtl.h: Declare new functions from lists.c.
4658 * sched-deps.c (spec_dependency_cache): New static variable.
4659 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4660 (add_dependence): Change return type to void. Move the logic to ...
4661 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4662 (delete_all_dependences): Add comment about forward_dependency_cache.
4663 Handle spec_dependency_cache. Handle DEPS_LISTs.
4664 (fixup_sched_groups): Clarify the change of priority of output
4665 and anti dependencies.
4666 (sched_analyze_2): Adjust add_dependence calls to create data
4667 speculative dependence.
4668 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4669 Adjust all callers. Handle DEPS_LISTS.
4670 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4671 presence of speculation.
4672 (init_dependency_caches, free_dependency_caches):
4673 Handle spec_dependency_cache.
4674 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4675 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4676 New static functions.
4677 (add_or_update_back_dep, add_or_update_back_forw_dep,
4678 add_back_forw_dep, delete_back_forw_dep): New functions.
4679 * sched-int.h (ds_t, dw_t): New typedefs.
4680 (struct sched_info): Add new field flags.
4681 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4682 Prototype new sched-deps.c functions.
4683 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4684 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4685 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4686 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4687 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4688 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4690 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4692 * sched-rgn.c (current_sched_info): Initialize flags field.
4693 (schedule_insns): Initialize current_sched_info before the sched_init
4695 * sched-ebb.c (current_sched_info): Initialize flags field.
4696 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4697 Call add_or_update_back_dep instead of add_dependence.
4698 Create control speculative dependencies.
4699 (schedule_insns): Initialize current_sched_info before the sched_init
4702 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4704 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4706 (sh_fallback_frame_state): Likewise.
4708 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4710 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4711 Do switch on default_use_cxa_atexit.
4712 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4713 * config/darwin-crt3.o: New.
4714 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4715 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4716 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4718 * config/rs6000/t-darwin: Move crt2.o building to here.
4719 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4720 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4723 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4725 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4726 from '! xxx' to '!xxx' for coding-style conformance.
4727 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4728 (EXTRA_CONSTRAINT): Likewise.
4729 * config/vax/vax.md (four unnamed insns): Likewise.
4731 2006-03-15 Paul Brook <paul@codesourcery.com>
4733 * config/arm/arm.c (minipool_pad): New.
4734 (add_minipool_forward_ref): Include pool alignment padding in address
4736 (push_minipool_fix): Set minipool_pad.
4737 (minipool_pad): Ditto.
4739 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4741 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4742 instead of GET_CODE() == MEM and REG_P() instead of
4744 (print_operand_address): Likewise.
4745 (vax_address_cost): Likewise.
4746 (vax_rtx_costs): Likewise.
4747 (vax_notice_update_cc): Likewise.
4748 (vax_output_int_add): Likewise.
4749 (INDEX_REGISTER_P): Likewise.
4750 (BASE_REGISTER_P): Likewise.
4751 (nonindexed_address_p): Likewise.
4752 (vax_mode_dependent_address_p): Likewise.
4753 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4754 (PRINT_OPERAND): Likewise.
4755 * config/vax/vax.md (ashlsi3): Likewise.
4756 (ashlsi3): Likewise.
4757 (some more unnamed insns): Likewise.
4759 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4761 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4762 iterator-style macro.
4763 (mark_control_dependent_edges_necessary): Update the use of
4764 EXECUTE_IF_CONTROL_DEPENDENT.
4766 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4768 * config/sh/predicates.md (cache_address_operand): Special.
4769 (ua_address_operand): Likewise.
4771 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4773 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4775 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4777 2006-03-15 Andreas Schwab <schwab@suse.de>
4779 * gensupport.c (identify_predicable_attribute): Don't free p_false
4780 when it is still in use.
4782 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4784 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4785 the default setting here.
4787 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4789 * tree-pass.h (pass_cfg): Remove.
4790 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4791 * passes.c (pass_cfg): Don't run it.
4793 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4795 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4796 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4798 (stack_regs_mentioned): Update the uses of
4799 stack_regs_mentioned_data. Don't access the array beyond its
4801 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4802 Don't include gt-reg-stack.h.
4804 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4805 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4807 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4810 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4813 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4815 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4817 2006-03-14 Richard Guenther <rguenther@suse.de>
4819 PR tree-optimization/26672
4820 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4823 2006-03-14 Richard Guenther <rguenther@suse.de>
4825 PR tree-optimization/26667
4826 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4827 node for the callees. Always allow inlining if it will shrink
4830 2006-03-14 Richard Guenther <rguenther@suse.de>
4833 * builtins.c (get_pointer_alignment): Prefer alignment
4834 information from decls over that from types.
4836 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4839 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4841 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4843 * config/rs6000/rs6000.opt (mdlmzb): New option.
4844 (msched-prolog, msched-epilog): Use Var not Mask.
4845 * doc/invoke.texi (-mdlmzb): Document.
4846 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4848 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4849 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4851 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4853 PR rtl-optimization/25739
4854 * bt-load.c (augment_live_range): Free tos pointer.
4856 * gensupport.c (identify_predicable_attribute): Free
4858 * gcov.c (create_file_names): Free name pointer.
4860 2006-03-13 Roger Sayle <roger@eyesopen.com>
4863 * stmt.c (emit_case_nodes): Handle the case where the index is a
4864 CONST_INT, where the comparison mode is specified by the index type.
4866 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4868 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4871 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4873 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4874 (*branch_fp_inverted): Likewise.
4876 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4879 * omp-low.c (expand_omp_for_generic): Mark istart0
4880 and iend0 as addressable.
4882 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4884 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4886 2006-03-13 Jeff Law <law@redhat.com>
4888 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4889 virtual operands are interesting.
4890 (vrp_visit_stmt): Corresponding changes.
4892 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4894 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4896 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4897 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4898 * config/bfin/crti.S: Use it instead of __PIC__.
4899 * config/bfin/crtn.S: Likewise.
4901 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4902 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4904 Lose 'G' modifier for call operand.
4905 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4906 recognize 'G' modifier.
4908 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4911 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4912 * stmt.c (expand_case): Likewise.
4914 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4916 PR rtl-optimization/26254
4917 * loop-invariant.c (seq_insns_valid_p): New function.
4918 (move_invariant_reg): Only emit new code if it is valid.
4920 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4922 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4924 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4925 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4926 (commit_one_edge_insertion): Do not look for loop notes.
4928 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4930 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4931 flag_test_coverage out of loop.
4933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4935 * final.c (shorten_branches): Remove outdated comment, and turn
4936 the if branch that guards it to continue.
4938 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4940 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4941 * cfgloop.h (struct loop): Remove unused fields.
4943 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4945 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4946 (-dL, -fdump-rtl-loop2): Update the dump file names
4948 * doc/invoke.texi: Update dump file names.
4950 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4952 * predict.c (estimate_probability): Remove.
4953 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4954 * basic-block.h (estimate_probability): Remove prototype.
4955 * passes.c (finish_optimization_passes): Dump branch prediction or
4956 profiling heuristics to the .profile tree dump.
4957 (init_optimization_passes): Unqueue pass_branch_prob.
4959 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4961 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4963 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4964 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4966 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4968 * function.h (frame_offset_overflow): Declare.
4969 * function.c (frame_offset_overflow): New function.
4970 (assign_stack_local_1): Call it to detect that the offset overflows.
4971 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4973 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4975 * config/sh/sh.c: Include alloc-pool.h.
4976 (label_ref_list_pool): New alloc pool.
4977 (label_ref_list_t): New type for lists of labels.
4978 (struct pool_node): Make wend a label_ref_list_t.
4979 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4981 (dump_table): Likewise.
4982 (sh_reorg): Set up the alloc pool before using add_constant and
4983 dump_table, and destroy it when finishing.
4985 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4987 * config/mips/mips.c: Remove redundant comment.
4989 2006-03-10 Jason Merrill <jason@redhat.com>
4992 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4993 the target was declared 'register'.
4995 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4997 * genpreds.c (write_insn_constraint_len): Change definition of
4998 insn_constraint_len to return size_t to match the declaration.
5000 2006-03-10 DJ Delorie <dj@redhat.com>
5002 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5004 (m32c_expand_insv): Fix test for an AND mask.
5006 2006-03-10 Richard Guenther <rguenther@suse.de>
5009 * builtins.c (get_pointer_alignment): Handle component
5010 references for field alignment.
5012 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5014 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5015 when building with libgloss.
5016 (sh*elf): Implement --without-fp option.
5017 (sh64-superh-linux*): Don't multilib.
5019 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5021 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5023 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5025 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5026 Set it when one of the replacement functions returned true.
5027 Return TODO_cleanup_cfg if cfgchanged is true.
5028 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5030 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5032 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5033 instead of gen_lowpart.
5035 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5037 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5039 (mips_output_order_conditional_branch): Declare.
5040 * config/mips/mips.h (MIPS_BRANCH): New macro.
5041 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5042 for the comparison. Use gen_condjump.
5043 (mips_output_conditional_branch): Rework interface to take the
5044 asm templates for a direct branch and the inverse of a direct branch.
5045 (mips_output_order_conditional_branch): New function.
5046 (mips_builtin_branch_and_move): New function.
5047 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5048 branch condition. Use gen_single_cc as the condition for
5049 __builtin_mips_upper_* or __builtin_mips_lower_*.
5050 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5051 Use VOIDmode for the branch condition.
5052 * config/mips/predicates.md (order_operator): New predicate.
5053 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5054 (branch_fp): Rename to...
5055 (*branch_fp): ...this. Remove mode from comparison operator.
5056 Use new mips_output_conditional_branch interface.
5057 (branch_fp_inverted): Rename to...
5058 (*branch_fp_inverted): ...this and update as for *branch_fp.
5059 (*branch_zero<mode>): Rename to...
5060 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5061 Use mips_output_order_conditional_branch. Only accept ordered
5063 (*branch_zero<mode>_inverted): Rename to...
5064 (*branch_order<mode>_inverted): ...this and update as for
5065 *branch_order<mode>.
5066 (*branch_equality<mode>): Accept zero as the second operand to
5067 the equality operator. Use the new mips_output_conditional_branch
5069 (*branch_equality<mode>_inverted): Likewise.
5070 (condjump): New expander.
5071 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5073 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5074 (bc1any2t, bc1any2f): Likewise.
5075 (single_cc): New expander.
5076 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5078 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5080 * doc/md.texi: Update documentation of MIPS constraints.
5081 * config/mips/constraints.md: New file.
5082 * config/mips/mips.md: Include it.
5083 * config/mips/mips.c (mips_char_to_class): Delete.
5084 (override_options): Don't initialize mips_char_to_class.
5085 * config/mips/mips.h (mips_char_to_class): Delete.
5086 (REG_CLASS_FROM_LETTER): Delete.
5087 (CONST_OK_FOR_LETTER_P): Delete.
5088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5089 (EXTRA_CONSTRAINT_Y): Delete.
5090 (EXTRA_CONSTRAINT_STR): Delete.
5091 (CONSTRAINT_LEN): Delete.
5092 (EXTRA_MEMORY_CONSTRAINT): Delete.
5094 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5096 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5097 original fn's eh regions.
5099 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5101 * fold-const.c (build_range_check): Make sure to use a valid type to
5102 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5105 (range_predecessor): New static function.
5106 (range_successor): Likewise.
5107 (merge_ranges): Use them to compute predecessors and successors of
5110 2006-03-09 Roger Sayle <roger@eyesopen.com>
5113 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5114 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5116 2006-03-08 DJ Delorie <dj@redhat.com>
5118 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5119 (addpsi3): Expand to include memory operands. Remove
5120 reload-specific splits.
5121 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5122 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5123 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5124 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5125 (shift1_qi, shift1_hi, insv): New.
5126 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5127 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5128 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5130 * config/m32c/m32c-protos.h: Update as needed.
5131 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5132 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5133 Fail for unrecognized R* constraints.
5134 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5135 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5136 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5138 (m32c_init_libfuncs): New.
5139 (m32c_legitimate_address_p): Add debug wrapper.
5140 (m32c_rtx_costs): New.
5141 (m32c_address_cost): New.
5142 (conversions): Add 'B' prefix.
5143 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5144 operands, or word regnames for QI operands. 'B' prints bit
5146 (m32c_expand_setmemhi): New.
5147 (m32c_expand_movmemhi): New.
5148 (m32c_expand_movstr): New.
5149 (m32c_expand_cmpstr): New.
5150 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5151 (m32c_expand_neg_mulpsi3): Handle non-ints.
5152 (m32c_cmp_flg_0): New.
5153 (m32c_expand_movcc): New.
5154 (m32c_expand_insv): New.
5155 (m32c_scc_pattern): New.
5156 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5157 a0/a1 out of SIregs.
5158 (STORE_FLAG_VALUE): New.
5159 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5162 * config/m32c/mov.md: Make constraints more liberal.
5163 (zero_extendqihi2): Optimize r0/r1 case.
5164 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5165 * config/m32c/predicates.md (m32c_any_operand): New.
5166 (m32c_nonimmediate_operand): New.
5167 (m32c_hl_operand): New.
5168 (m32c_r3_operand): New.
5171 (memsym_operand): New.
5172 (memimmed_operand): New.
5173 (a_qi_operand): New.
5174 (m32c_eqne_operator): New.
5175 (m32c_1bit8_operand): New.
5176 (m32c_1bit16_operand): New.
5177 (m32c_1mask8_operand): New.
5178 (m32c_1mask16_operand): New.
5179 * config/m32c/blkmov.md: New file.
5180 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5182 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5184 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5185 unsigned to fix signed/unsigned comparison issue in
5186 DWARF2_FRAME_REG_OUT.
5187 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5188 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5190 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5191 of ptr into the ENABLE_CHECKING section.
5193 2006-03-08 Jeff Law <law@redhat.com>
5195 * tree-vrp.c (infer_value_range): Only count pointer uses
5196 and dereferences if -fdelete-null-pointer-checks is enabled.
5198 * tree-vrp.c (find_assert_locations): Infer value ranges for
5199 single use pointers, but do not create ASSERT_EXPRs for them.
5200 When a non-null range is inferred for a pointer, backwards
5201 propagate that range to other equivalent pointers through the
5204 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5207 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5208 language hook targets.
5209 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5210 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5211 if language hook targets were missing.
5213 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5215 * tree-ssa-opfinalize.h: Removed.
5216 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5218 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5219 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5220 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5221 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5222 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5223 finalize_ssa_v_must_def_ops): New.
5225 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5227 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5230 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5232 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5234 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5235 addresses with offsets; reorganize.
5237 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5238 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5239 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5241 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5244 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5246 2006-03-08 Ben Elliston <bje@au.ibm.com>
5248 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5250 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5253 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5256 2006-03-07 Richard Guenther <rguenther@suse.de>
5258 PR tree-optimization/26587
5259 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5261 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5263 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5265 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5267 * hooks.c (hook_bool_mode_rtx_true): New function.
5268 * hooks.h (hook_bool_mode_rtx_true): Declare.
5269 * toplev.c (compile_file): Call output_shared_constant_pool.
5270 * varasm.c (shared_constant_pool): New variable.
5271 (assemble_start_function, assemble_end_function): Remove arguments
5272 from call to output_constant_pool.
5273 (create_constant_pool): New function, split out from...
5274 (init_varasm_status): ...here.
5275 (force_const_mem): Choose between the shared and per-function constant
5276 pools. Set current_function_uses_const_pool when reusing old entries
5277 as well as when creating new ones.
5278 (mark_constant): Ignore data argument.
5279 (mark_constants): Remove pool argument.
5280 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5281 to decide whether the function uses a constant pool.
5282 (output_constant_pool_contents): New function, split out from...
5283 (output_constant_pool): ...here.
5284 (output_shared_constant_pool): New function.
5285 (init_varasm_once): Initialize shared_constant_pool.
5286 * output.h (output_constant_pool): Delete.
5287 (output_shared_constant_pool): Declare.
5288 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5289 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5291 2006-03-06 Nick Clifton <nickc@redhat.com>
5293 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5294 flag_strength_reduce.
5296 2006-03-06 Ben Elliston <bje@au.ibm.com>
5298 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5299 x86_64-*-linux* configurations.
5301 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5302 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5304 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5306 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5308 * basic-block.h: Remove the extern for
5309 rediscover_loops_after_threading.
5311 * cfgloop.c (cancel_loop): Make it static.
5312 * cfgloop.h: Remove the prototype for cancel_loop.
5314 * flow.c (recompute_reg_usage): Make it static.
5315 * rtl.h: Remove the prototype for recompute_reg_usage.
5317 * function.c (use_return_register): Make it static.
5318 * function.h: Remove the prototype.
5320 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5322 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5324 * recog.h: Remove the prototype for
5325 validate_change_maybe_volatile.
5327 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5329 * rtlanal.c (replace_reg): Remove.
5330 * rtl.h: Remove the prototype for replace_reg.
5332 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5334 * regclass.c (reg_scan_update): Remove.
5335 (reg_scan_mark_refs): Remove the last argument.
5336 * rtl.h: Remove the prototype for reg_scan_update.
5338 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5340 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5341 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5342 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5343 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5344 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5345 loop-invariant.c, omp-low.c, opts.c, passes.c,
5346 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5347 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5348 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5349 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5350 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5351 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5353 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5355 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5356 * dwarf2out.h: Remove the prototype for
5357 dwarf2out_add_library_unit_info.
5359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5361 * tree.c (add_var_to_bind_expr): Remove.
5362 * tree.h: Remove the prototype for add_var_to_bind_expr.
5364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5366 * regclass.c (n_non_fixed_regs): Remove.
5367 (init_reg_sets_1, globalize_reg): Remove all uses of
5369 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5371 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5373 * rtlanal.c (insns_safe_to_move_p): Remove.
5374 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5376 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5378 * expmed.c (expand_mult_add): Remove.
5379 * expr.h: Remove the prototype for expand_mult_add.
5381 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5383 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5384 and REG_SAVED_VAL_EXP constants.
5385 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5386 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5387 Handle regs stored by value.
5388 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5389 (execute_cfa_program): Handle DW_CFA_val_offset,
5390 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5391 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5392 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5393 (uw_install_context_1): Handle target regs stored by value.
5395 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5397 * tree-sra.c (tree_sra): Return todoflags;
5398 (generate_one_element): Set TODO_update_smt_usage if needed.
5399 (pass_sra): Remove TODO_update_smt_usage.
5400 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5402 (tree_ssa_forward_propagate_single_use_vars): Return
5403 TODO_update_smt_usage if we need to update SMT usage.
5404 (pass_forwprop): Remove TODO_update_smt_usage.
5406 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5408 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5409 (correct_use_link): Remove reference to get_stmt_operands.
5410 (update_stmt_operands): Likewise.
5411 (get_modify_expr_operands): New function factored out of
5412 parse_ssa_operands and get_expr_operands.
5413 Try to create V_MUST_DEFs for LHS by default.
5414 (get_expr_operands) <case MODIFY_EXPR>: Call
5415 get_modify_expr_operands.
5416 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5417 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5418 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5419 get_modify_expr_operands.
5421 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5423 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5424 * tree-flow.h: Remove the prototype for
5425 referenced_var_lookup_if_exists.
5427 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5429 PR rtl-optimization/26345
5431 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5433 2006-03-03 Roger Sayle <roger@eyesopen.com>
5435 PR tree-optimization/26524
5436 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5437 fold_convert to create a constant of the appropriate type.
5439 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5441 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5442 SYMBOL_REF_IN_BLOCK_P.
5443 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5444 of SYMBOL_FLAG_IN_BLOCK.
5445 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5446 instead of SYMBOL_REF_IN_BLOCK_P.
5447 * explow.c (use_anchored_address): Likewise.
5448 * rtl.c (rtx_size): Likewise.
5449 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5450 instead of SYMBOL_FLAG_IN_BLOCK.
5451 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5452 SYMBOL_REF_IN_BLOCK_P.
5453 (assemble_variable): Likewise.
5454 (output_constant_def_contents): Likewise.
5455 (output_constant_pool): Likewise.
5456 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5457 instead of SYMBOL_FLAG_IN_BLOCK.
5458 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5459 SYMBOL_REF_IN_BLOCK_P.
5460 (SYMBOL_REF_BLOCK): Likewise.
5461 (SYMBOL_REF_OFFSET): Likewise.
5462 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5463 SYMBOL_REF_IN_BLOCK_P.
5464 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5465 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5466 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5467 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5469 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5471 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5473 2006-03-02 Roger Sayle <roger@eyesopen.com>
5475 * simplify-rtx.c (simplify_unary_operation): When simplifying
5476 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5477 that we perform the right shift in the appropriate mode, and
5478 then extend or truncate the result to requested mode.
5480 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5482 * gengtype.c (main): Handle double_int type.
5483 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5484 * double-int.c: New file.
5485 * double-int.h: New file.
5486 * system.h: Include doubleint.h.
5487 * Makefile.in (SYSTEM_H): Include double-int.h.
5488 (double-int.o): Add.
5490 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5493 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5496 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5498 * tree-vrp.c (remove_range_assertions): Do not update statements
5501 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5503 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5505 * gcse.c (rest_of_handle_gcse): Ditto.
5506 * except.c (gate_handle_eh): Ditto.
5507 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5508 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5510 2006-03-02 Eric Christopher <echristo@apple.com>
5512 * config/i386/i386.c (machopic_output_stub): Add indirection to
5515 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5519 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5521 Sun Niagara specific optimizations.
5522 * config.gcc: Recognize niagara as target.
5523 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5524 (TARGET_CPU_niagara): Define.
5525 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5526 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5527 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5528 (ASM_CPU_SPEC): Likewise.
5529 (PROCESSOR_NIAGARA): New enum entry.
5530 (REGISTER_MOVE_COST): Handle Niagara.
5531 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5532 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5533 (sparc_override_options): Recognize "niagara", set appropriate
5534 default MASK_* values for it, and align functions to 32-bytes
5535 by default just like ULTRASPARC/ULTRASPARC3.
5536 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5537 (sparc64_initialize_trampoline): Likewise.
5538 (sparc_use_sched_lookahead): Use zero for niagara.
5539 (sparc_issue_rate): Use one for niagara.
5540 * config/sparc/niagara.md: New file.
5541 * config/sparc/sparc.md: Include it.
5542 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5543 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5544 when default cpu is niagara.
5545 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5546 (ASM_CPU_SPEC): Likewise.
5547 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5548 when default cpu is niagara.
5549 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5550 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5551 just like v9/ultrasparc/ultrasparc3.
5552 * doc/invoke.texi: Add documentation for "niagara" and improve
5553 existing documentation for ultrasparc variants.
5555 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5557 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5559 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5561 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5562 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5563 and say that only one is needed.
5564 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5565 * target.h (have_switchable_bss_sections): New hook.
5566 * explow.c (use_anchored_address): Check that the symbol is in a block.
5567 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5568 (bss_noswitch_section): New variables.
5569 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5570 (get_noswitch_section): New function.
5571 (get_block_for_section): Allow SECT to be null.
5572 (unlikely_text_section_p): Use SECTION_STYLE.
5573 (bss_initializer_p): New function.
5574 (get_variable_section): Move earlier in file. Take a new argument,
5575 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5576 Return one of the new *_sections in such cases.
5577 (get_block_for_decl): New function, extracting some logic from
5578 use_blocks_for_decl_p.
5579 (change_symbol_section): Remove in favor of...
5580 (change_symbol_block): ...this new function.
5581 (use_blocks_for_decl_p): Remove checks now performed by
5583 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5584 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5585 (emit_local, emit_bss, emit_common): ...these new functions.
5586 Return true if the alignment was honored.
5587 (emit_tls_common): New function.
5588 (asm_emit_uninitialised): Delete.
5589 (assemble_variable_noswitch): New function, split out from...
5590 (assemble_variable): ...here. Don't make decisions about common
5591 variables here. Globalize all public decls that go into non-common
5592 sections. Check whether SYMBOL_REF_BLOCK is null.
5593 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5594 (output_constant_pool): Likewise.
5595 (init_varasm_once): Initialize the new section variables.
5596 (have_global_bss_p): New function.
5597 (categorize_decl_for_section): Use bss_initializer_p.
5598 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5599 (place_block_symbol): Assert that the symbol must be in a block.
5600 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5601 (TARGET_INITIALIZER): Include it.
5602 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5603 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5604 (SECTION_MACH_DEP): Bump by two.
5605 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5606 (unnamed_section): Mention SECTION_UNNAMED in comment.
5607 (named_section): Likewise SECTION_NAMED.
5608 (noswitch_section_callback): New type.
5609 (noswitch_section): New structure.
5610 (section): Add a noswitch_section alternative.
5611 (SECTION_STYLE): New macro.
5612 (tls_comm_section, comm_section, lcomm_section): Declare.
5613 (bss_noswitch_section, have_global_bss_p): Declare.
5614 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5615 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5617 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5618 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5621 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5623 * tree-vrp.c (execute_vrp): Return value.
5624 * regrename.c (rest_of_handle_regrename): Ditto.
5625 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5626 * tree-complex.c (tree_lower_complex): Ditto.
5627 (tree_lower_complex_O0): Ditto.
5628 * tracer.c (rest_of_handle_tracer): Ditto.
5629 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5630 * postreload.c (rest_of_handle_postreload): Ditto.
5631 * tree-tailcall.c (execute_tail_recursion): Ditto.
5632 (execute_tail_calls): Ditto.
5633 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5634 * tree.h (init_function_for_compilation): Ditto.
5635 * ipa-cp.c (ipcp_driver): Ditto.
5636 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5637 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5638 * final.c (compute_alignments): Ditto.
5639 (rest_of_handle_final): Ditto.
5640 (rest_of_handle_shorten_branches): Ditto.
5641 (rest_of_clean_state): Ditto.
5642 * omp-low.c (execute_expand_omp): Ditto.
5643 (execute_lower_omp): Ditto.
5644 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5645 * ipa-reference.c (static_execute): Ditto.
5646 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5647 * reorg.c (rest_of_handle_delay_slots): Ditto.
5648 (rest_of_handle_machine_reorg): Ditto.
5649 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5650 * flow.c (recompute_reg_usage): Ditto.
5651 (rest_of_handle_remove_death_notes): Ditto.
5652 (rest_of_handle_life): Ditto.
5653 (rest_of_handle_flow2): Ditto.
5654 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5655 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5656 (do_ssa_store_ccp): Ditto.
5657 (execute_fold_all_builtins): Ditto.
5658 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5659 * modulo-sched.c (rest_of_handle_sms): Ditto.
5660 * ipa-pure-const.c (static_execute): Ditto.
5661 * cse.c (rest_of_handle_cse): Ditto.
5662 (rest_of_handle_cse2): Ditto.
5663 * web.c (rest_of_handle_web): Ditto.
5664 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5665 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5666 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5667 * tree-nrv.c (tree_nrv): Ditto.
5668 (execute_return_slot_opt): Ditto.
5669 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5670 (create_structure_vars): Ditto.
5671 * loop-init.c (rtl_loop_init): Ditto.
5672 (rtl_loop_done): Ditto.
5673 (rtl_move_loop_invariants): Ditto.
5674 (rtl_unswitch): Ditto.
5675 (rtl_unroll_and_peel_loops): Ditto.
5676 (rtl_doloop): Ditto.
5677 * gimple-low.c (lower_function_body): Ditto.
5678 (mark_used_blocks): Ditto.
5679 * tree-ssa-sink.c (execute_sink_code): Ditto.
5680 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5681 (cgraph_early_inlining): Ditto.
5682 * global.c (rest_of_handle_global_alloc): Ditto.
5683 * jump.c (cleanup_barriers): Ditto.
5684 (purge_line_number_notes): Ditto.
5685 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5686 (rest_of_handle_if_after_reload): Ditto.
5687 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5688 (tree_ssa_loop_im): Ditto.
5689 (tree_ssa_loop_unswitch): Ditto.
5690 (tree_vectorize): Ditto.
5691 (tree_linear_transform): Ditto.
5692 (tree_ssa_loop_ivcanon): Ditto.
5693 (tree_ssa_empty_loop): Ditto.
5694 (tree_ssa_loop_bounds): Ditto.
5695 (tree_complete_unroll): Ditto.
5696 (tree_ssa_loop_prefetch): Ditto.
5697 (tree_ssa_loop_ivopts): Ditto.
5698 (tree_ssa_loop_done): Ditto.
5699 * predict.c (tree_estimate_probability): Ditto.
5700 * recog.c (split_all_insns_noflow): Ditto.
5701 (rest_of_handle_peephole2): Ditto.
5702 (rest_of_handle_split_all_insns): Ditto.
5703 * tree-eh.c (lower_eh_constructs): Ditto.
5704 * regmove.c (rest_of_handle_regmove): Ditto.
5705 (rest_of_handle_stack_adjustments): Ditto.
5706 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5707 * function.c (instantiate_virtual_regs): Ditto.
5708 (init_function_for_compilation): Ditto.
5709 (rest_of_handle_check_leaf_regs): Ditto.
5710 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5711 (rest_of_handle_gcse): Ditto.
5712 * ipa-type-escape.c (type_escape_execute): Ditto.
5713 * alias.c (rest_of_handle_cfg): Ditto.
5714 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5715 * profile.c (rest_of_handle_branch_prob): Ditto.
5716 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5717 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5718 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5719 * tree-dfa.c (find_referenced_vars): Ditto.
5720 * except.c (set_nothrow_function_flags): Ditto.
5721 (convert_to_eh_region_ranges): Ditto.
5722 (rest_of_handle_eh): Ditto.
5723 * emit-rtl.c (unshare_all_rtl): Ditto.
5724 (remove_unnecessary_notes): Ditto.
5725 * except.h (set_nothrow_function_flags): Ditto.
5726 (convert_to_eh_region_ranges): Ditto.
5727 * cfgexpand.c (tree_expand_cfg): Ditto.
5728 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5729 * tree-ssa-pre.c (do_pre): Ditto.
5730 (execute_fre): Ditto.
5731 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5732 (rest_of_handle_jump2): Ditto.
5733 * tree-sra.c (tree_sra): Ditto.
5734 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5735 (execute_mudflap_function_decls): Ditto.
5736 * tree-ssa-copy.c (do_copy_prop): Ditto.
5737 (do_store_copy_prop): Ditto.
5738 * ipa-prop.h (ipcp_driver): Ditto.
5739 * cfglayout.c (insn_locators_initialize): Ditto.
5740 * tree-ssa-forwprop.c
5741 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5742 * cfglayout.h (insn_locators_initialize): Ditto.
5743 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5744 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5745 (execute_late_warn_uninitialized): Ditto.
5746 * rtl.h (cleanup_barriers): Ditto.
5747 (split_all_insns_noflow): Ditto.
5748 (purge_line_number_notes): Ditto.
5749 (unshare_all_rtl): Ditto.
5750 (remove_unnecessary_notes): Ditto.
5751 (recompute_reg_usage): Ditto.
5752 (variable_tracking_main): Ditto.
5753 * integrate.c (emit_initial_value_sets): Ditto.
5754 * integrate.h (emit_initial_value_sets): Ditto.
5755 * tree-optimize.c (execute_free_datastructures): Ditto
5756 (execute_free_cfg_annotations): Ditto.
5757 (execute_fixup_cfg): Ditto.
5758 (execute_cleanup_cfg_pre_ipa): Ditto.
5759 (execute_cleanup_cfg_post_optimizing): Ditto.
5760 (execute_init_datastructures): Ditto.
5761 * tree-object-size.c (compute_object_sizes): Ditto.
5762 * combine.c (rest_of_handle_combine): Ditto.
5763 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5764 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5765 (rest_of_handle_reorder_blocks): Ditto.
5766 (rest_of_handle_partition_blocks): Ditto.
5767 * var-tracking.c (variable_tracking_main): Ditto.
5768 * tree-profile.c (tree_profiling): Ditto.
5769 * tree-vect-generic.c (expand_vector_operations): Ditto.
5770 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5771 * sched-rgn.c (rest_of_handle_sched): Ditto.
5772 (rest_of_handle_sched2): Ditto.
5773 * basic-block.h (free_bb_insn): Ditto.
5774 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5775 * tree-cfg.c (execute_build_cfg): Ditto.
5776 (remove_useless_stmts): Ditto.
5777 (split_critical_edges): Ditto.
5778 (execute_warn_function_return): Ditto.
5779 (execute_warn_function_noreturn): Ditto.
5780 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5781 * cfgrtl.c (free_bb_for_insn): Ditto.
5782 * passes.c (execute_one_pass): Run additional
5783 todos returned by execute function.
5784 * tree-pass.h (struct tree_opt_pass): Make execute
5787 2006-03-02 Richard Guenther <rguenther@suse.de>
5789 * tree-ssa-alias.c (find_used_portions): Consider taking
5790 the address as making the variable not write-only.
5792 2006-03-02 Nick Clifton <nickc@redhat.com>
5794 * config.gcc (default_use_cxa_atexit): Extend the description of
5795 this configure variable. Set its default value to "yes" for
5796 Linux, NetBSD and ELF targets on the assumption that they will
5797 use C libraries with the __cxa_atexit function.
5799 2006-03-02 Ben Elliston <bje@au.ibm.com>
5801 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5802 parameter as unused to suppress a build warning.
5804 2006-03-02 Ben Elliston <bje@au.ibm.com>
5806 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5809 2006-03-01 Roger Sayle <roger@eyesopen.com>
5812 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5813 declared name, the weak reference name, and the typeof name.
5814 (__gthrw): Avoid expanding the declared name suffix.
5815 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5817 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5819 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5821 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5822 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5823 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5824 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5825 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5826 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5827 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5828 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5829 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5830 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5831 (DW_END_default, DW_END_big, DW_END_little): New.
5832 (DW_END_lo_user, DW_END_hi_user): Define.
5833 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5834 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5835 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5838 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5840 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5842 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5844 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5846 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5848 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5849 to 'symbol_mem_tag'.
5851 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5854 2006-03-01 Roger Sayle <roger@eyesopen.com>
5856 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5858 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5861 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5862 MACHO_DYNAMIC_NO_PIC_P.
5863 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5865 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5868 * config/darwin-protos.h (darwin_asm_output_anchor):
5870 * config/darwin-sections.def (cstring_section):
5871 Add SECTION_MERGE to the flags.
5872 (literal4_section): Likewise.
5873 (literal8_section): Likewise.
5874 (objc_selector_refs_section): Likewise.
5875 (objc_cls_refs_section): Likewise.
5876 * config/darwin.c (darwin_asm_output_anchor): New
5878 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5880 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5882 Fix PR tree-optimization/26443
5883 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5884 to todo and PROP_tmt_usage to properties_destroyed.
5885 * tree-ssa-ccp.c (pass_ccp): Ditto.
5886 (pass_store_ccp): Ditto.
5887 * tree-ssa-dom.c (pass_dominator): Ditto.
5889 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5891 * tree-ssa-operands.c: Cleanup whitespace.
5892 (get_asm_expr_operands): Move before first invocation.
5893 (get_indirect_ref_operands): Likewise.
5894 (get_tmr_operands): Likewise.
5895 (get_call_expr_operands): Likewise.
5896 (append_def): Likewise.
5897 (append_use): Likewise.
5898 (append_v_may_def): Likewise.
5899 (append_v_must_def): Likewise.
5900 (add_call_clobber_ops): Likewise.
5901 (add_call_read_ops): Likewise.
5902 (add_stmt_operand): Likewise.
5903 (add_virtual_operand): Likewise.
5904 (build_ssa_operands): Likewise.
5906 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5911 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5912 with a call expr to ...
5913 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5915 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5917 * tree-vrp.c (extract_range_from_assert): Remove special
5918 handling for types with super-types.
5920 2006-03-01 Ben Elliston <bje@au.ibm.com>
5922 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5923 and powerpc64-*-linux* configurations.
5924 * config/t-dfprules: New file.
5926 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5927 Compile dfp-bit.c from the source directory using -DWIDTH and
5928 $DFP_CFLAGS to control the compilation of that file, rather than
5929 generating width-specific versions in the build directory.
5930 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5931 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5933 2006-02-28 Zack Weinberg <zackw@panix.com>
5935 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5938 2006-02-28 Eric Christopher <echristo@apple.com>
5940 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5941 Set up IN_LIBGCC definition of TARGET_64BIT.
5942 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5944 2006-02-28 Roger Sayle <roger@eyesopen.com>
5947 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5948 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5949 cases via the construction of "expr != 0".
5951 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5953 * alias.c (alias_invariant, alias_invariant_size): Remove.
5954 (record_base_value): Remove.
5955 (memrefs_conflict_p): Don't look at alias_invariant.
5956 (end_alias_analysis): Don't free it.
5957 * alias.h (record_base_value): Remove prototype.
5959 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5960 Adam Nemet <anemet@caviumnetworks.com>
5962 * rtl.h (truncated_to_mode): Declare it.
5963 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5964 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5965 (RTL_HOOKS_INITIALIZER): Include it.
5966 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5967 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5968 reg_truncated_to_mode.
5969 * rtlanal.c (truncated_to_mode): Define it.
5970 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5972 2006-02-28 Jeff Law <law@redhat.com>
5974 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5975 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5976 the range allowed by TYPE_PRECISION.
5978 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5980 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5982 PR tree-optimization/26419
5983 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5986 2006-02-27 Zack Weinberg <zackw@panix.com>
5988 * doc/md.texi: Fix typo in previous change.
5990 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5994 2006-02-27 Zack Weinberg <zackw@panix.com>
5996 * rtl.def (define_constraint, define_register_constraint)
5997 (define_memory_constraint, define_address_constraint): New MD forms.
5998 * gensupport.c (process_rtx): Put define_constraint etc on the
6000 * genpreds.c (process_define_predicate): Adjust comment. Validate
6001 the name, and call validate_exp to validate the expression.
6002 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6003 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6004 all callers changed.
6005 (validate_exp, needs_variable, struct constraint_data)
6006 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6007 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6008 (const_dbl_constraints, constraint_max_namelen)
6009 (have_register_constraints, have_memory_constraints)
6010 (have_address_constraints, have_address_constraints)
6011 (have_extra_constraints, have_const_int_constraints)
6012 (have_const_dbl_constraints, mangle, add_constraint)
6013 (process_define_constraint, process_define_register_constraint)
6014 (write_enum_constraint_num, write_lookup_constraint)
6015 (write_insn_constraint_len, write_regclass_for_constraint)
6016 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6017 (write_insn_extra_memory_constraint)
6018 (write_insn_extra_address_constraint)
6019 (write_satisfies_constraint_fns): New.
6020 (write_tm_preds_h): If we have new-style constraint definitions,
6021 prototype the functions generated from them, and define the
6022 old constraint interface (still used by generic code) in terms of
6024 (write_insn_preds_c): If we have new-style constraint definitions,
6025 generate all relevant functions from those definitions.
6026 (main): Handle define_constraint etc.
6027 * genoutput.c (struct constraint_data, indep_constraints)
6028 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6029 (mdep_constraint_len): New data structures and functions, defined
6030 #ifdef USE_MD_CONSTRAINTS.
6031 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6032 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6033 use new logic to validate operand constraints against constraint
6035 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6037 * defaults.h: If none of the old-style constraint macros are
6038 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6039 old-style macros; and poison REG_CLASS_FROM_LETTER,
6040 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6042 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6043 * doc/md.texi: Document new constraint-definition mechanism and the
6044 C interface it provides. Remove references to old mechanism
6045 elsewhere in the document.
6046 (Machine Constraints): Use pathnames relative to gcc directory,
6047 i.e. config/ARCH/FILE. Change i386 section to refer to
6048 config/i386/predicates.md; update that section to match docstrings.
6049 * doc/tm.texi: Move all documentation of the old constraint-
6050 definition macros to their own section, clearly mark as obsolete.
6052 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6053 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6055 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6056 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6057 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6059 (splits and peepholes): Use satisfies_constraint_*.
6060 * config/i386/i386.c (memory_address_length)
6061 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6063 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6065 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6066 scalar operation to be put back into the loop.
6068 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6071 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6072 (extract_cie_info): Handle S flag in augmentation string.
6073 (execute_cfa_program): If context->signal_frame, execute also
6074 fs->pc == context->ra instructions.
6075 (uw_frame_state_for): If context->signal_frame, don't subtract one
6076 from context->ra to find FDE.
6077 (uw_update_context_1): Set context->signal_frame to
6079 (_Unwind_GetIPInfo): New function.
6080 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6081 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6083 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6084 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6085 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6086 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6087 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6088 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6089 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6090 x86_64_fallback_frame_state): Set fs->signal_frame.
6091 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6092 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6093 (frob_update_context): Likewise. Workaround missing S flag in
6094 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6095 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6096 Remove the psw_addr + 1 hack.
6098 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6100 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6101 with aggregates here.
6102 (find_func_aliases): Remove code for &<aggregate> from here.
6104 2006-02-26 Roger Sayle <roger@eyesopen.com>
6106 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6107 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6108 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6111 2006-02-26 Roger Sayle <roger@eyesopen.com>
6114 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6116 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6118 * opts.c (decode_options): Do not handle flag_strength_reduce.
6119 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6120 and OPT_fstrength_reduce.
6121 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6122 flag_prefetch_loop_arrays for being nonzero.
6123 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6125 (fprefetch-loop-arrays-rtl): Removed.
6126 (flag_prefetch_loop_arrays): Do not specify the value.
6128 * doc/passes.texi: Update documentation of loop optimizer
6130 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6131 -frerun-loop-opt): Remove.
6133 2006-02-26 Richard Guenther <rguenther@suse.de>
6135 PR tree-optimization/26421
6136 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6137 in function calls that are ADDR_EXPRs as using the whole structure.
6139 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6141 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6142 * tree-pass.h (pass_loop_optimize): Remove.
6143 * passes.c (pass_loop_optimize): Never run it.
6144 * toplev.c (backend_init): Don't call init_loop.
6145 * opts.c (flag_loop_optimize_set): Remove.
6146 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6147 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6148 the old RTL loop optimizer when profiling enabled.
6149 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6150 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6151 pre-headers for the sake of the old RTL loop optimizer.
6152 * Makefile.in: Remove all references to loop.o.
6154 * doc/invoke.texi: Remove all references to -floop-optimize
6155 and -frerun-loop-opt.
6157 2006-02-26 Zack Weinberg <zackw@panix.com>
6159 * doc/md.texi (Machine Constraints): Refer to all files with paths
6160 relative to gcc directory (i.e. config/CPU/file). Add missing
6161 @table @code ... @end table to M32C subsection.
6163 2006-02-26 Roger Sayle <roger@eyesopen.com>
6165 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6167 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6169 2006-02-26 Roger Sayle <roger@eyesopen.com>
6170 James A. Morrison <phython@gcc.gnu.org>
6173 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6174 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6175 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6176 signedness of the shift operation.
6178 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6180 PR tree-optimization/26359
6181 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6183 2006-02-25 Roger Sayle <roger@eyesopen.com>
6185 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6186 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6187 as X == 0, and some symmetry related transformations.
6188 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6190 2006-02-25 Roger Sayle <roger@eyesopen.com>
6193 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6194 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6195 symmetry related transformations. Fold (X^C1) == C2 as
6198 2006-02-25 Juergen Weigert <jw@suse.de>
6199 Richard Guenther <rguenther@suse.de>
6201 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6203 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6205 * combine.c (gen_lowpart_or_truncate): Call
6206 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6208 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6210 * doc/invoke.texi: Move -fopenmp description to "Options for
6212 Remove reference to -lgomp.
6214 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6216 * doc/install.texi: Require GNU tar version 1.14.
6218 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6220 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6221 * doc/invoke.texi (C++ Dialect Options): Document
6222 -fno-use-cxa-get-exception-ptr.
6223 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6224 * configure: Regenerate.
6225 * c.opt (fuse-cxa-get-exception-ptr): New.
6226 * c-opts.c (c_common_handle_option): Handle
6227 OPT_fuse_cxa_get_exception_ptr.
6228 * c-common.c (flag_use_cxa_atexit): Update documentation.
6229 (flag_use_cxa_get_exception_ptr): New.
6230 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6231 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6233 (C_COMMON_OVERRIDE_OPTIONS): New.
6235 2006-02-24 Roger Sayle <roger@eyesopen.com>
6238 * combine.c (try_combine): Explicitly check whether GET_CODE is
6239 a SET or a CLOBBER, instead on checking that it isn't a USE.
6241 2006-02-24 Roger Sayle <roger@eyesopen.com>
6243 * fold-const.c (fold_comparison): New subroutine of fold_binary
6244 containing transformations common to both the equality and
6245 ordering relational operators, factored out of fold_binary.
6246 (fold_binary): Separate out the equality operators (EQ_EXPR
6247 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6248 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6249 transformations common to both.
6250 (fold_div_compare): Fix latent bugs in the previously unreachable
6251 LT_EXPR and GE_EXPR cases.
6253 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6255 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6256 decl libname for clog to __clog on AIX.
6258 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6260 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6263 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6264 output traceback table for thunks. Localise rs6000_stack_info call.
6266 2006-02-23 Roger Sayle <roger@eyesopen.com>
6267 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6269 * gthr-posix.h (__gthrw): Fix typo in comment.
6271 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6273 * doc/cpp.texi (Character sets): Document that we do support
6274 input files to be in any character set.
6276 2006-02-23 Jeff Law <law@redhat.com>
6278 * tree.h (PHI_ARG_NONZERO): Remove.
6279 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6280 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6281 node to the new node.
6283 PR tree-optimization/26425
6284 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6285 min/max, then assume its varying.
6287 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6289 PR rtl-optimization/26316
6290 * rtlanal.c (enum may_trap_p_flags): New.
6291 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6292 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6293 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6294 (may_trap_after_code_motion_p): New function.
6295 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6296 (find_invariant_insn): Use may_trap_after_code_motion_p.
6297 * rtl.h (may_trap_after_code_motion_p): Declare.
6299 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6301 * emit-rtl.c (immed_double_const): Cleanup.
6303 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6305 Fix PR tree-optimization/26376
6306 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6309 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6312 * gimplify.c (omp_add_variable): Guard variable size decl test with
6313 DECL_SIZE (decl) check.
6315 2006-02-23 Richard Guenther <rguenther@suse.de>
6318 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6319 like aggregate types.
6321 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6323 * configure.ac: Add --with{,out}-long-double-128 configure option.
6324 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6325 * configure: Rebuilt.
6326 * config.in: Rebuilt.
6327 * doc/install.texi (Options specification): Document
6328 --with-long-double-128.
6330 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6331 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6332 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6333 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6335 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6337 * config/s390/s390.c (override_options): Handle
6338 TARGET_DEFAULT_LONG_DOUBLE_128.
6340 * config/alpha/alpha.c (override_options): Handle
6341 TARGET_DEFAULT_LONG_DOUBLE_128.
6343 * config/sparc/sparc.c (sparc_override_options): Handle
6344 TARGET_DEFAULT_LONG_DOUBLE_128.
6346 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6348 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6349 (real-install-headers-tar, real-install-headers-cpio)
6350 (real-install-headers-cp): New targets.
6352 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6354 * tree.h (variable_section): Delete.
6355 * varasm.c (variable_section): Delete.
6357 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6359 * install.texi: Add notes on install.texi2html.
6360 (Building in parallel): Do not use footnotes.
6362 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6365 * doc/install.texi (Configuration): Document --disable-libgomp.
6367 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6369 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6371 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6373 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6374 (vec_extractv2df_0_sse): New.
6376 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6378 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6379 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6380 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6381 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6382 to the result of the expression.
6383 (def_cfa_1): Adjust.
6384 (frame_pointer_cfa_offset): Rename to...
6385 (frame_pointer_fb_offset): ... this. Adjust all uses.
6386 (convert_cfa_to_loc_list): Rename to...
6387 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6388 Pass it on to build_cfa_loc.
6389 (compute_frame_pointer_to_cfa_displacement): Rename to...
6390 (compute_frame_pointer_to_fb_displacement): ... this. New
6391 offset parameter. Use it in computation.
6392 (gen_subprogram_die): Compute cfa_fb_offset with the new
6393 macro, and use it to compute the fb loc list and the
6396 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6398 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6399 replaced with register_operand.
6400 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6401 non-DREG is expensive.
6402 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6403 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6406 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6408 * doc/install.texi2html: Use set -e.
6410 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6412 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6413 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6414 * doc/invoke.texi (-fshared-data): Delete.
6415 * common.opt (fshared-data): Delete.
6416 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6417 (assemble_static_space): Remove #if 0 code.
6418 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6419 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6420 * config/cris/cris.h: Remove FIXME.
6422 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6424 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6427 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6430 * combine.c (simplify_shift_const_1): Disable nested shifts
6431 optimization for vector shifts.
6433 2006-02-20 Roger Sayle <roger@eyesopen.com>
6435 PR tree-optimization/26361
6436 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6437 of unsigned integer types.
6439 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6441 * tree-chrec.c (eq_evolutions_p): New.
6442 * tree-chrec.h (eq_evolutions_p): Declared.
6443 * tree-data-ref.c: Fix formatting.
6444 (datadep_stats, dependence_stats): New.
6446 (print_direction_vector): New.
6447 (dump_data_dependence_relation): Use print_direction_vector.
6448 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6449 (compute_subscript_distance): Static.
6450 (initialize_data_dependence_relation): Static. Get the number
6451 of loops surrounding the references from the callers, and initialize
6452 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6453 base_object_differ_p analyzers.
6454 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6455 compute_overlap_steps_for_affine_1_2,
6456 analyze_subscript_affine_affine): Count the classified dependences.
6457 Print a message when a test failed.
6458 (can_use_analyze_subscript_affine_affine): New.
6459 (analyze_siv_subscript): Compute the data dependences on symbolic
6460 scevs that verify can_use_analyze_subscript_affine_affine.
6461 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6462 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6463 Handle symbolic scevs.
6464 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6466 (subscript_dependence_tester): Moved...
6467 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6468 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6469 DDR_SIZE_VECT instead of getting it in parameter.
6470 (subscript_dependence_tester): ... here. Take as a parameter
6471 loop_nest_depth. Call build_classic_dist_vector and
6472 build_classic_dir_vector.
6473 (compute_affine_dependence): Update subscript_dependence_tester
6474 parameters. Update datadep_stats counters. Call
6475 compute_subscript_distance.
6476 (compute_self_dependence): Save the dist and dir vectors. Call
6477 compute_subscript_distance.
6478 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6479 (compute_all_dependences): Reorder parameters as they were before
6480 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6481 compute_subscript_distance. Update the use of
6482 compute_affine_dependence and initialize_data_dependence_relation.
6483 (find_data_references_in_loop): Handle COMPONENT_REF.
6484 (compute_data_dependences_for_loop): Initialize dependence_stats.
6485 Don't call build_classic_dist_vector and build_classic_dir_vector.
6486 Update the parameters of initialize_data_dependence_relation and
6487 compute_all_dependences. Print the statistics from datadep_stats.
6488 (analyze_all_data_dependences): Static. Not used until the pass for
6489 checking the data dependences is contributed.
6490 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6491 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6492 (initialize_data_dependence_relation, compute_affine_dependence,
6493 analyze_all_data_dependences, compute_subscript_distance): Removed.
6494 (print_direction_vector): New.
6495 * lambda.h (gcd): ... here.
6496 (lambda_vector_gcd): Moved here from gcd_vector.
6497 * lambda-code.c (gcd, gcd_vector): Removed.
6498 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6499 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6501 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6503 * ipa-type-escape.c: Tidy some comments and white space.
6504 * tree-ssa-operands.c: Likewise.
6506 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6509 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6510 (dump_decl_name): Do not walk the decl tree chains.
6511 * tree-pass.h (TDF_CHAIN): Remove.
6513 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6515 * Makefile.in (C): Remove
6517 (.PHONY): Remove C and PROTO
6519 2006-02-20 Roger Sayle <roger@eyesopen.com>
6522 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6523 deprecated CHAR_TYPE tree code.
6525 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6527 * configure.ac (target_list): Add install-info, dvi, html.
6528 * configure: Regenerate.
6530 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6531 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6532 treelang/Make-lang.in: Do not use double-colon rules.
6534 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6536 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6537 (TMT_USED_ALONE): New macro.
6538 * tree-pass.h (PROP_tmt_usage): New property.
6539 (TODO_update_tmt_usage): New todo.
6540 * tree-ssa-alias.c (updating_used_alone): New variable.
6541 (recalculate_used_alone): New function.
6542 (compute_may_aliases): Set updating_used_alone, call
6543 recalculate_used_alone.
6544 * tree-sra.c (pass_sra): Note that this pass destroys
6545 PROP_tmt_usage, and add TODO_update_tmt_usage.
6546 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6547 * tree-flow.h (updating_used_alone): Prototype.
6548 (recalculate_used_alone): Ditto.
6549 * passes.c (execute_todo): Add code to set updating_used_alone,
6550 and call recalculate.
6551 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6552 for clobber if used alone, and add assert to verify used_alone
6555 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6557 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6558 for non tls symbols added.
6559 (legitimize_address): Do nothing for PLUS expressions if one of the
6560 addends is a tls symbol reference.
6562 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6566 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6568 * Makefile.in (BOOTSTRAPPING): New.
6569 (quickstrap): New definition if BOOTSTRAPPING=yes.
6571 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6572 * configure.ac: Substitute all_selected_languages with the languages
6573 that were configured. For all the other variables except
6574 lang_specs_files, include all the languages in the tree.
6575 * configure: Regenerate.
6577 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6578 if there is one. Run the commands to run fixincludes in the same
6581 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6582 * doc/install.texi: Document exact conventions for searching target tools.
6583 Document --with-build-time-tools. Document toplevel bootstrap. Document
6584 something more about building an Ada cross-compiler. Don't list GNU Make
6585 requirements which affect all platforms.
6587 2006-02-19 Roger Sayle <roger@eyesopen.com>
6590 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6591 only equivalent if the have both the same mode and precision.
6593 2006-02-20 Ben Elliston <bje@au.ibm.com>
6595 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6597 2006-02-19 Roger Sayle <roger@eyesopen.com>
6598 Steven Bosscher <stevenb.gcc@gmail.com>
6600 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6601 constant pool references to identify stack mode constants.
6602 * rtlanal.c (constant_pool_constant_p): New predicate to check
6603 whether operand is a floating point constant in the pool.
6604 * rtl.h (constant_pool_constant_p): Prototype here.
6605 * loop.c (scan_loop): Avoid hoisting constants from the constant
6606 pool on STACK_REGS targets.
6607 (load_mems): Likewise.
6608 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6609 loads into x87 registers expensive in terms of register pressure.
6611 2006-02-19 Roger Sayle <roger@eyesopen.com>
6613 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6614 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6616 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6618 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6619 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6621 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6623 * doc/invoke.texi: Document -fipa-pta.
6624 * common.opt: Add ipa-pta option.
6625 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6626 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6627 (do_ds_constraint): Ditto.
6628 (get_constraint_for): Only add to referenced_vars if
6629 referenced_vars exists.
6630 (insert_into_field_list): Rewrite to do this unsorted.
6631 (insert_into_field_list_sorted): Rename old insert_into_field_list
6633 (create_function_info_for): Use insert_into_field_list_sorted.
6634 (create_variable_info_for): Rewrite so it uses unsorted version,
6635 since the field list is sorted.
6636 (intra_create_variable_infos): Only add to referenced_vars if
6637 referenced_vars exists.
6638 (ipa_pta_execute): Init heapvars, and delete when done.
6639 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6641 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6643 * doc/install.texi: Add missing `@samp'.
6645 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6647 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6650 2006-02-18 Mark Wielaard <mark@klomp.org>
6652 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6653 who added new 4.1 features, bug fixes and integration support.
6655 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6658 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6661 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6663 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6664 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6665 (copy_insn_1): Likewise. Don't copy each field individually.
6667 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6669 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6670 * rtl.c (rtx_size): Rename variable to...
6671 (rtx_code_size): ...this.
6672 (rtx_size): New function.
6673 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6674 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6676 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6677 * rtl.h (rtx_code_size): New variable.
6678 (rtx_size): Change from a variable to a function.
6679 (RTX_SIZE): Rename to...
6680 (RTX_CODE_SIZE): ...this.
6683 PR tree-optimization/17106
6684 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6685 (Anchored Addresses): New section.
6686 * doc/invoke.texi (-fsection-anchors): Document.
6687 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6688 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6689 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6690 * hooks.c (hook_bool_mode_rtx_false): New function.
6691 * hooks.h (hook_bool_mode_rtx_false): Declare.
6692 * gengtype.c (create_optional_field): New function.
6693 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6694 SYMBOL_REF_IN_BLOCK_P is true.
6695 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6696 (min_anchor_offset, max_anchor_offset): Likewise.
6697 (use_anchors_for_symbol_p): New hook.
6698 * toplev.c (compile_file): Call output_object_blocks.
6699 (target_supports_section_anchors_p): New function.
6700 (process_options): Check that -fsection-anchors is only used on
6701 targets that support it and when -funit-at-a-time is in effect.
6702 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6703 if the decl doesn't have one.
6704 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6705 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6706 of force_const_mem through use_anchored_address.
6707 (expand_expr_constant): New function.
6708 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6709 calling expand_expr for INDIRECT_REF.
6710 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6711 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6712 * expr.h (use_anchored_address): Declare.
6713 * loop-unroll.c: Don't declare rtx vectors here.
6714 * explow.c: Include output.h.
6715 (validize_mem): Call use_anchored_address.
6716 (use_anchored_address): New function.
6717 * common.opt (-fsection-anchors): New switch.
6718 * varasm.c (object_block_htab, anchor_labelno): New variables.
6719 (hash_section, object_block_entry_eq, object_block_entry_hash)
6720 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6721 (use_blocks_for_decl_p, change_symbol_section): New functions.
6722 (get_variable_section): New function, split out from assemble_variable.
6723 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6724 use_blocks_for_decl_p say so. Use change_symbol_section if the
6725 symbol has already been created.
6726 (assemble_variable_contents): New function, split out from...
6727 (assemble_variable): ...here. Don't output any code for
6728 block symbols; just pass them to place_block_symbol.
6729 Use get_variable_section and assemble_variable_contents.
6730 (get_constant_alignment, get_constant_section, get_constant_size): New
6731 functions, split from output_constant_def_contents.
6732 (build_constant_desc): Create a block symbol if use_object_blocks_p
6733 says so. Or into SYMBOL_REF_FLAGS.
6734 (assemble_constant_contents): New function, split from...
6735 (output_constant_def_contents): ...here. Don't output any code
6736 for block symbols; just pass them to place_section_symbol.
6737 Use get_constant_section and get_constant_alignment.
6738 (force_const_mem): Create a block symbol if use_object_blocks_p and
6739 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6740 (output_constant_pool_1): Add an explicit alignment argument.
6741 Don't switch sections here.
6742 (output_constant_pool): Adjust call to output_constant_pool_1.
6743 Switch sections here instead. Don't output anything for block symbols;
6744 just pass them to place_block_symbol.
6745 (init_varasm_once): Initialize object_block_htab.
6746 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6747 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6748 (place_block_symbol, get_section_anchor, output_object_block)
6749 (output_object_block_htab, output_object_blocks): New functions.
6750 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6751 (TARGET_ASM_OUT): Include it.
6752 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6753 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6754 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6755 (TARGET_INITIALIZER): Include them.
6756 * rtl.c (rtl_check_failed_block_symbol): New function.
6757 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6758 (block_symbol, object_block): New structures.
6759 (rtx_def): Add a block_symbol field to the union.
6760 (BLOCK_SYMBOL_CHECK): New macro.
6761 (rtl_check_failed_block_symbol): Declare.
6762 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6763 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6764 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6765 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6766 * output.h (output_section_symbols): Declare.
6767 (object_block): Name structure.
6768 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6769 (default_use_anchors_for_symbol_p): Declare.
6770 * Makefile.in (RTL_BASE_H): Add vec.h.
6771 (explow.o): Depend on output.h.
6772 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6773 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6774 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6775 (rs6000_use_blocks_for_constant_p): New function.
6777 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6779 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6781 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6784 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6787 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6789 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6793 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6796 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6797 instead of DECL_REGISTER.
6799 2006-02-18 Olivier Hainque <hainque@adacore.com>
6802 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6804 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6807 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6808 * opth-gen.awk: Handle Var and InverseMask together.
6809 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6810 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6811 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6812 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6814 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6815 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6816 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6817 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6818 LINUX_DYNAMIC_LINKER): Define.
6819 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6820 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6822 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6823 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6824 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6826 (TARGET_C99_FUNCTIONS): Don't define.
6827 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6828 GLIBC_DYNAMIC_LINKER.
6829 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6830 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6831 GLIBC_DYNAMIC_LINKER64): Define.
6832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6833 LINUX_DYNAMIC_LINKER64.
6834 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6836 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6838 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6840 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6841 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6842 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6844 and LINUX_DYNAMIC_LINKER32.
6845 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6846 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6847 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6849 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6851 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6852 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6853 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6854 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6855 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6856 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6857 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6858 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6859 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6860 LINUX_DYNAMIC_LINKER): Define.
6861 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6862 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6863 GLIBC_DYNAMIC_LINKER64): Define.
6864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6865 LINUX_DYNAMIC_LINKER64.
6866 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6867 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6868 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6869 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6870 LINUX_DYNAMIC_LINKER): Define.
6871 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6872 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6873 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6874 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6875 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6876 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6877 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6878 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6879 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6880 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6882 * doc/invoke.texi (-muclibc): Remove caveat about supported
6885 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6887 * doc/cpp.texi (__TIMESTAMP__): Document.
6889 2006-02-17 Roger Sayle <roger@eyesopen.com>
6892 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6893 C is one less than the width of X (and related transformations).
6894 * simplify-rtx.c (simplify_unary_operation_1): Transform
6895 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6896 depending on STORE_FLAG_VALUE, were C is one less then the
6899 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6901 Fix PR tree-optimization/26341
6902 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6903 about NAME_MEMORY_TAG's.
6905 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6908 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6909 with hardware float support, and software float support. Add fcpy
6910 alternative to hardware patterns. Add alternatives to copy between
6911 general and floating-point registers to the 32-bit pattern.
6912 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6913 secondary reload to load a QI or HI mode constant into a floating
6915 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6916 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6918 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6921 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6923 (load_macho_picbase_di): Likewise.
6925 2006-02-16 Jeff Law <law@redhat.com>
6927 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6928 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6929 (ssa_name_nonzero_p): Likewise.
6930 (get_value_range): Return NULL if VRP is not running.
6931 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6932 VRP routines do not discover a range.
6933 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6934 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6935 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6936 (tree_expr_nonnegative_p): Similarly.
6937 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6938 (restore_nonzero_vars_to_original_value): Remove.
6939 (unsafe_associative_fp_binop): Remove.
6940 (tree_ssa_dominator_optimize): Remove initialization and
6941 finalization of nonzero_vars and nonzero_vars_stack.
6942 (dom_opt_initialize_block): No longer push marker on
6944 (dom_opt_finalize_block): No longer call
6945 restore_nonzero_vars_to_original_value.
6946 (record_equivalences_from_phis): No longer look for
6947 nonzero PHI arguments.
6948 (cprop_into_successor_phis): No longer propagate nonzero
6949 property into PHI arguments. Lose unused argument. Caller
6951 (record_equivalences_from_stmt): No longer record nonzero
6952 values for SSA_NAMEs.
6953 (lookup_avail_expr): No longer use nonzero_vars.
6955 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6956 for sizetype when sizetype is unsigned.
6958 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6960 PR rtl-optimization/25603
6961 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6962 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6963 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6964 with new meaning of SETS.
6966 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6971 * config/linux.opt: New file.
6972 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6973 LINUX_DYNAMIC_LINKER): Define.
6974 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6975 * config.gcc (*-*-linux*): Define extra_options.
6976 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6977 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6978 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6979 GLIBC_DYNAMIC_LINKER.
6980 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6981 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6982 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6984 * doc/invoke.texi (GNU/Linux Options): New section.
6986 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6988 * config/sparc/sparc.md (setjmp): Rewrite.
6989 (setjmp_32): Delete.
6990 (setjmp_64): Likewise.
6992 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6994 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6997 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6999 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7002 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7004 PR rtl-optimization/26296
7005 * Makefile.in (loop-invariant.c): Add except.h dependency.
7006 * loop-invariant.c: Include except.h.
7007 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7009 2005-02-16 Paul Brook <paul@codesourcery.com>
7011 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7014 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7016 PR rtl-optimization/25636
7017 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7018 when deciding whether an insn is an initializing insn.
7020 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7022 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7023 (tree_code_size): Ditto.
7024 * tree.h (struct tree_memory_tag): Remove parent_var.
7025 (struct tree_struct_field_tag): New.
7028 (union tree_node): Add sft member.
7029 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7031 (create_sft): Add size and offset argument, set SFT_OFFSET and
7033 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7034 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7035 * tree-flow-inline.h (get_subvar_at): Update for
7036 SFT_OFFSET/SFT_SIZE.
7037 (var_can_have_subvars): Ditto.
7038 (overlap_subvar): Ditto.
7039 * print-tree.c (print_node): Print out interesting things for
7041 * tree-flow.h (struct subvar): Remove offset and size members.
7042 * tree-ssa-operands.c (get_expr_operands): Update for
7043 get_indirect_ref_operands changes.
7044 (get_indirect_ref_operands): Call add_virtual_operand instead of
7045 add_stmt_operand. Only recurse on base var if requested.
7046 (access_can_touch_variable): New function.
7047 (add_stmt_operand): Split virtual operand handling into ...
7048 (add_virtual_operand): Here. Add offset, size, and for_clobber
7049 arguments. Prune alias sets.
7050 (add_call_clobber_ops): Call add_virtual_operand.
7052 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7055 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7057 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7058 than TREE_CODE as index into omp_clause_num_ops array.
7060 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7062 PR rtl-optimization/26184
7063 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7065 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7066 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7067 must_precede, must_follow and tobe_scheduled.
7070 * opts.c (common_handle_option): Free new_option pointer.
7071 * df-core.c (df_analyze): Free postorder pointer.
7073 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7075 * Makefile.in: Fix the examples about the use of stamps
7077 2006-02-15 Michael Matz <matz@suse.de>
7081 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7082 influenced by maximum_field_alignment or DECL_PACKED.
7083 (update_alignment_for_field): Ditto.
7084 (place_field): Ditto.
7085 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7088 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7090 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7091 (debug_flow_info): Pass it.
7092 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7093 * bb-reorder.c (reorder_basic_blocks): Likewise.
7094 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7095 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7096 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7097 * gcse.c (gcse_main, bypass_jumps): Likewise.
7098 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7099 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7100 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7101 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7102 * rtl.h (dump_flow_info): Adjust prototype.
7103 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7104 * var-tracking.c (variable_tracking_main): Likewise.
7105 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7106 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7109 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7111 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7114 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7116 PR tree-optimization/26209
7117 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7118 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7120 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7122 2006-02-14 Roger Sayle <roger@eyesopen.com>
7125 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7126 (X,Y) and the corresponding symmetry related transformations.
7127 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7128 (X,Y) and its symmetry related transformations.
7130 2006-02-14 Roger Sayle <roger@eyesopen.com>
7132 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7135 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7137 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7139 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7142 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7143 support COMDAT group.
7144 * configure: Regenerate.
7146 2006-02-14 Roger Sayle <roger@eyesopen.com>
7151 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7153 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7155 Fix PR tree-optimization/26260
7157 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7159 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7160 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7161 * tree-ssa-structalias.c (create_variable_info_for): Use
7162 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7164 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7166 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7168 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7169 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7170 of the ending condition.
7171 * tree-ssa-loop-manip.c: Include params.h.
7172 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7173 tree_unroll_loop): New functions.
7174 * tree-pass.h (pass_loop_prefetch): Declare.
7175 * loop.c (rest_of_handle_loop_optimize): Test for
7176 -fprefetch-loop-arrays-rtl.
7177 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7178 * timevar.def (TV_TREE_PREFETCH): New timevar.
7179 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7180 pass_loop_prefetch): New.
7181 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7182 (cleanup_tree_cfg_loop): Call scev_reset.
7183 * common.opt (fprefetch-loop-arrays-rtl): Add.
7184 * tree-ssa-loop-prefetch.c: New file.
7185 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7186 (new_temp_expr_table): Initialize expr_vars.
7187 (free_temp_expr_table): Cleanup expr_vars.
7188 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7189 expressions from being merged into one.
7190 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7191 (struct tree_niter_desc): Add control, bound and cmp fields.
7192 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7194 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7195 (tree-cfgcleanup.o): Add SCEV_H dependency.
7196 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7197 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7199 2006-02-14 Richard Guenther <rguenther@suse.de>
7201 PR tree-optimization/26258
7202 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7203 in PHI argument processing.
7205 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7207 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7208 new expression in the requested machine mode.
7210 2006-02-13 Roger Sayle <roger@eyesopen.com>
7212 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7213 directly, instead let do_compare_rtx_and_jump handle this for us.
7214 * expr.c (expand_expr_real_1): Likewise.
7215 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7216 before do_jump_by_parts_greater.
7217 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7218 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7220 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7222 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7224 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7226 PR rtl-optimization/26235
7227 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7228 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7231 2006-02-13 Jeff Law <law@redhat.com>
7233 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7236 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7239 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7240 twice if decl is a builtin. When trying again, call get_callee_fndecl
7241 first to verify it is still a builtin.
7243 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7245 * dwarf2out.c (base_type_die): Don't add AT_name here.
7246 (subrange_type_die): Don't add AT_name here.
7247 (modified_type_die): Rearrange code flow. Do add AT_name here.
7249 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7251 PR rtl-optimization/26247
7252 PR rtl-optimization/26248
7253 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7255 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7257 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7258 * config/fixtfdi.c: Likewise.
7259 * config/fixunstfdi.c: Likewise.
7260 * config/floatditf.c: Likewise.
7262 2006-02-13 Roger Sayle <roger@eyesopen.com>
7265 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7266 into (X,C2) if C1 is a subset of the bits of C2. Transform
7267 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7269 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7271 2006-02-13 Josh Conner <jconner@apple.com>
7274 * varasm.c (function_section): Check for section name before
7275 calling select_section on targets that define
7276 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7277 unlikely_text_section instead of hot_function_section if
7278 first_function_block_is_cold.
7280 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7283 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7285 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7287 PR rtl-optimization/26222
7288 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7289 after tree->rtl expansion.
7290 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7291 before passing it to emit_move_insn.
7293 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7295 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7297 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7298 Clarify documentation.
7299 * c-common.h (warn_write_strings): Remove.
7300 * c-common.c (warn_write_strings): Likewise.
7301 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7304 2006-02-12 Roger Sayle <roger@eyesopen.com>
7307 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7308 (do_jump_parts_zero_rtx): New function renamed from
7309 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7310 (do_jump_parts_equality_rtx): New function split out from
7311 do_jump_parts_equality. Old implementation renamed as above.
7312 Call do_jump_parts_zero_rtx if either operand is zero.
7313 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7314 do all of the heavy lifting.
7315 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7316 calling either do_jump_by_parts_greater_rtx or
7317 do_jump_by_parts_equality_rtx.
7318 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7319 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7320 moved to do_compare_rtx_and_jump, call it directly.
7321 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7322 mode argument. Call do_compare_rtx_and_jump.
7323 (emit_case_nodes): Update calls to do_jump_if_equal.
7325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7327 PR rtl-optimization/26225
7328 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7330 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7332 PR rtl-optimization/26232
7333 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7335 2006-02-11 Jason Merrill <jason@redhat.com>
7338 * tree-inline.c (declare_return_variable): Just don't use the
7339 modify target if it's a gimple complex reg and the return slot
7342 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7344 * doc/contrib.texi: Update my entry.
7346 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7348 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7350 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7352 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7355 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7357 * doc/invoke.texi (-floop-optimize2): Removed.
7358 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7359 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7360 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7361 * common.opt (floop-optimize2): Removed.
7362 (fmove-loop-invariants): Enabled by default.
7364 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7366 * tree-if-conv.c (combine_blocks): Free the result of
7367 get_loop_exit_edges.
7369 2006-02-10 Jeff Law <law@redhat.com>
7371 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7373 PR tree-optimization/26213
7374 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7375 loop trying to follow SSA_NAME_VALUE chains.
7377 2006-02-10 Richard Guenther <rguenther@suse.de>
7379 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7380 deal with structures that end in implicitly variable sized arrays.
7382 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7384 PR rtl-optimization/24762
7385 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7388 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7390 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7391 (struct ivopts_data): Add regs_used field.
7392 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7393 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7394 instead of loop_data->regs_used;
7395 (free_loop_data): Do not free aux fields for loops.
7396 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7397 and tree_ssa_iv_optimize_finalize.
7399 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7401 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7403 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7406 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7407 computing the effective result type.
7409 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7412 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7413 (tree_overlaps_hard_reg_set): Declare.
7414 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7415 type and signature to match function type expected by walk_tree.
7416 (tree_overlaps_hard_reg_set): New function.
7417 (decl_conflicts_with_clobbers_p): Rename to:
7418 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7419 Use tree_overlaps_hard_reg_set. Changed caller.
7420 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7421 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7422 * cris.c (cris_md_asm_clobbers): Likewise.
7424 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7426 * reload1.c (emit_input_reload_insns): Delete code that tries to
7427 inherit using find_equiv_reg.
7429 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7431 * c-common.h (flag_const_strings): Don't declare.
7432 * c-common.c (flag_const_strings): Remove.
7433 * c.opt (fconst_strings): Remove.
7434 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7435 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7436 (c_common_init_options): Don't set flag_const_strings.
7437 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7439 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7441 * arm.md (tlobits_cbranch): New pattern.
7442 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7443 testing a single bit.
7445 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7448 * tree-ssa-pre.c (create_component_ref_by_pieces):
7449 Handle RETURN_DECL like VAR_DECL.
7451 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7454 * fold-const.c (fold_indirect_ref_1): Fold
7455 "*(foo *)&complexfoo" to "__real__ complexfoo"
7456 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7458 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7460 * tree-flow-inline.h (var_can_have_subvars):
7461 Volatile variables should not have subvariables.
7463 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7466 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7467 multiplying unsigned values.
7470 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7472 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7474 2006-02-08 Jason Merrill <jason@redhat.com>
7477 * tree.def: Elaborate on difference from MODIFY_EXPR.
7478 * doc/c-tree.texi (INIT_EXPR): Likewise.
7479 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7480 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7481 (gimplify_target_expr): Likewise.
7482 (gimplify_cond_expr): Remove target handling.
7483 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7484 (gimplify_expr): Clobber it here.
7485 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7486 Do return slot optimization if we have an INIT_EXPR.
7489 * tree-inline.c (declare_return_variable): Also clear
7490 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7493 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7496 * gimplify.c (gimplify_one_sizepos): Fix typo.
7498 2006-02-08 Jeff Law <law@redhat.com>
7500 PR tree-optimization/21417
7501 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7502 across a backedge if the control statement at the end of the
7503 block is data dependent on other statements in the same block.
7504 (record_temporary_equivalences_from_stmts): Remove over-conservative
7505 test for threading across backedges.
7507 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7508 control statement, handle all three special cases in the same
7509 manner as they all have the same desired solution. No longer
7510 special case edge flag updating when the post dominator is
7513 2006-02-08 Roger Sayle <roger@eyesopen.com>
7515 * tree.def (CHAR_TYPE): Remove.
7516 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7517 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7518 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7519 (gen_string_type_die): Delete unreachable function.
7521 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7522 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7523 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7524 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7525 * builtins.c (type_to_class): Likewise.
7526 * fold-const.c (fold_convert, build_range_check,
7527 merge_ranges): Likewise.
7528 * expr.c (count_type_elements): Likewise.
7529 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7530 * stor-layout.c (layout_type): Likewise.
7531 * ipa-type-escape.c (type_to_consider): Likewise.
7532 * gimplify.c (omp_firstprivatize_type_sizes,
7533 gimplify_type_sizes): Likewise.
7534 * explow.c (promote_mode): Likewise.
7535 * tree-sra.c (is_sra_scalar_type): Likewise.
7536 * varasm.c (output_constant): Likewise.
7537 * tree-inline.c (remap_type_1): Likewise.
7538 * convert.c (convert_to_pointer, convert_to_real,
7539 convert_to_integer, convert_to_complex): Likewise.
7541 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7543 * df-scan.c (df_def_record_1): A set destination may
7544 be a parallel regardless of mode.
7546 2006-02-08 Roger Sayle <roger@eyesopen.com>
7549 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7550 * config/mips/_tilib.c: Remove.
7551 * config/fixtfdi.c: New libgcc source file.
7552 * config/fixunstfdi.c: New source file.
7553 * config/floatditf.c: New source file.
7554 * config/floatunditf.c: New souce file.
7555 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7556 files above instead of config/mips/_tilib.c.
7557 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7559 2006-02-08 Jeff Law <law@redhat.com>
7561 PR tree-optimization/26169
7562 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7565 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7567 * df.h (DF_REG_SIZE): Return the length of the initialized
7570 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7572 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7573 __muldf3): Return a correctly signed zero.
7575 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7577 * passes.c (register_one_dump_file): Accept the current properties
7578 instead of pass number. Adjust call to dump_register. Remove
7580 (register_dump_files): Now a wrapper around...
7581 (register_dump_files_1): ... this one. Do not modify the pass
7583 (next_pass_1): Cosmetic fix.
7584 (execute_todo): Keep second parameter only. Use curr_properties
7585 instead of fetching it from the pass structure. Check and set
7587 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7588 instead of fetching it from the pass structure. Fix calls to
7589 execute_todo. Update curr_properties and initialize .vcg RTL dump
7590 after running the pass. Reset last_verified.
7591 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7593 (FIRST_AUTO_NUMBERED_DUMP): New.
7594 (dump_register): Remove "num" parameter, assign it within the
7596 (get_dump_file_name): Modify template for dumps.
7597 * tree-dump.h (dump_register): Adjust prototype.
7598 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7599 (PROP_trees): Add PROP_gimple_lomp.
7600 (TODO_set_props): New.
7601 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7602 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7603 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7605 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7607 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7608 (sparc64-*-linux*): Likewise.
7609 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7610 * config/sparc/t-linux: New file.
7611 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7612 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7613 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7614 -m32 -mlong-double-128.
7616 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7617 * config/alpha/t-linux: New file.
7618 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7620 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7621 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7622 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7623 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7624 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7625 (CPP_ARCH32_SPEC): Remove.
7627 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7629 PR tree-optimization/26145
7630 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7633 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7636 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7637 >= 240000 when generating code for SOM runtime.
7638 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7639 to $$dyncall when generating code for SOM runtime..
7641 2006-02-07 Dirk Mueller <dmueller@suse.com>
7644 * doc/invoke.texi (-Wsequence-point): Update documentation
7645 that -Wsequence-point is implemented for C++ as well.
7647 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7649 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7650 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7651 (LIB_SPEC): Likewise.
7652 * doc/invoke.texi (SPARC options): Document -pthread.
7654 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7656 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7659 2006-02-07 Roger Sayle <roger@eyesopen.com>
7661 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7662 Correct comment describing BOOLEAN_TYPE.
7664 2006-02-07 Dirk Mueller <dmueller@suse.com>
7666 * c.opt: C++ frontend supports -Wdiv-by-zero.
7667 * c-opts.c (c_common_handle_option): Remove dead case.
7669 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7671 * configure.ac (TLS assembler check): Do not enable TLS by
7672 default on SPARC/Solaris before version 10.
7673 * configure: Regenerate.
7675 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7677 * doc/invoke.texi (xl-compat): Document conversion and support
7680 2006-02-07 Jeff Law <law@redhat.com>
7682 * tree-vrp.c (find_conditional_asserts): Update comments.
7683 (simplify_stmt_for_jump_threading): New.
7684 (identify_jump_threads, finalize_jump_threads): New.
7685 (vrp_finalize): Call identify_jump_threads.
7686 (execute_vrp): Call finalize_jump_threads.
7687 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7688 (vrp_element, vrp_data, vrp_element_p): Remove.
7689 (vrp_hash_elt, vrp_variables_stack): Remove.
7690 (vrp_hash, vrp_eq, record_range): Remove.
7691 (simplify_cond_and_lookup_avail_expr): Remove.
7692 (extract_range_from_cond): Remove.
7693 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7694 (simplify_stmt_for_jump_threading): New.
7695 (dom_thread_across_edge): New wrapper.
7696 (tree_ssa_dominator_optimize): No longer initialize or
7697 finalize any of the VRP datastructures. Remove iteration
7698 step and simplify as a result of removal of iteration step.
7699 (pass_dominator): Perform a cfg cleanup after DOM.
7700 (dom_opt_finalize_block): Use the new common routines
7701 for threading jumps. Simplify stack management slightly.
7702 No longer need to unwind VRP state.
7703 (record_equivalences_from_incoming_edge): No longer record
7705 (eliminate_redundant_computations): No longer call
7706 simplify_cond_and_lookup_avail_expr.
7707 * tree-flow.h (potentially_threadable_block): Prototype.
7708 (thread_across_edge): Likewise.
7709 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7710 (tree-ssa-threadedge.o): Add dependencies.
7711 * tree-ssa-threadedge.c: New file.
7712 * passes.c (init_optimization_passes): Merge PHIs before
7713 calling VRP. Run VRP again late in the SSA optimization pipeline.
7715 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7717 * df-core.c (df_set_blocks): Do not dereference function pointers.
7718 (df_finish1): Likewise.
7719 (df_hybrid_search_forward): Likewise.
7720 (df_hybrid_search_backward): Likewise.
7721 (df_iterative_dataflow): Likewise.
7722 (df_analyze_problem): Likewise.
7723 (df_compact_blocks): Likewise.
7724 (df_dump): Likewise.
7725 * df-scan.c (df_rescan_blocks): Likewise.
7726 (df_record_entry_block_defs): Likewise.
7728 * genconditions.c (write_conditions): Guard the definition of
7729 'insn_conditions' with the check on GCC version.
7730 (write_writer): Guard the traversal 'insn_conditions' with
7731 the check on GCC version.
7733 2006-02-07 Richard Guenther <rguenther@suse.de>
7737 2006-01-30 Richard Guenther <rguenther@suse.de>
7739 * gimplify.c (gimplify_target_expr): Handle easy cases
7740 without creating a temporary.
7742 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7744 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7745 use of float in probability computations. Use edge probabilities
7746 in place of statically computed probabilities.
7747 (min_spec_prob): New static variable.
7748 (schedule_insns): Initialize it.
7749 (GET_SRC_PROB): Removed.
7750 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7752 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7755 * config/ia64/unwind-ia64.c: Revert last change.
7756 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7757 (INCOMING_FRAME_SP_OFFSET): Define.
7759 2006-02-06 Roger Sayle <roger@eyesopen.com>
7761 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7763 2006-02-07 Ben Elliston <bje@au.ibm.com>
7765 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7766 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7767 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7768 (ix86_return_in_memory): Handle TDmode.
7769 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7770 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7772 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7774 * reorg.c (dbr_schedule): Use dump_file instead of file.
7776 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7779 * config/ia64/predicates.md (extr_len_operand): New predicate.
7780 * config/ia64/ia64.md (extv): Tighten constraints.
7782 (*tbit_and_2): Ditto.
7783 (*tbit_and_3): Ditto.
7784 (*tbit_or_2): Ditto.
7785 (*tbit_or_3): Ditto.
7789 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7792 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7794 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7796 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7797 loop_optimizer_init and loop_optimizer_finalize
7798 * tree-ssa-sink.c (execute_sink_code): Ditto.
7799 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7800 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7801 tree_ssa_loop_done): Ditto.
7802 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7803 * sched-ebb.c: Include output.h.
7804 (schedule_ebbs): Do not use dump argument.
7805 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7806 * loop.c (loop_dump_stream): Removed.
7807 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7809 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7810 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7811 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7812 loop_iterations, strength_reduce, record_biv, record_giv,
7813 final_giv_value, check_final_value, check_ext_dependent_givs,
7814 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7815 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7816 dump_file instead of loop_dump_stream.
7817 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7819 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7821 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7822 * haifa-sched.c: Include output.h
7823 (schedule_insns, sched_init): Do not use dump argument.
7824 * mode-switching.c (optimize_mode_switching): Ditto.
7825 * modulo-sched.c (stats_file): Removed.
7826 (print_node_sched_params): Do not call argument dump_file.
7827 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7828 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7830 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7832 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7833 rtl_loop_init, rtl_loop_done): Ditto.
7834 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7835 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7837 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7838 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7839 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7840 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7841 * emit-rtl.c (renumber_insns): Ditto.
7842 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7843 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7844 * regclass.c (regclass): Ditto.
7845 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7846 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7847 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7848 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7850 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7851 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7853 * gcse.c (gcse_file, debug_stderr): Removed.
7854 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7855 rest_of_handle_gcse): Do not use dump argument.
7856 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7857 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7858 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7859 compute_code_hoist_vbeinout, compute_code_hoist_data,
7860 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7861 compute_store_table, build_store_vectors, insert_insn_start_bb,
7862 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7863 store_motion): Use dump_file instead of gcse_file.
7864 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7865 * profile.c (profile_dump_file): Removed.
7866 (branch_prob): Use dump_file instead of profile_dump_file.
7867 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7869 * tree-ssa-copy.c (dump_copy_of): Ditto.
7870 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7871 dump file to life_analysis.
7872 * bt-load.c (branch_target_load_optimize): Ditto.
7873 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7875 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7876 regclass, dbr_schedule): Declaration changed.
7877 * sched-int.h (sched_init): Declaration changed.
7878 * tree-profile.c (tree_profile_dump_file): Removed.
7879 (tree_profile_hooks): Removed profile_dump_file hook.
7880 * rtl-profile (rtl_profile_dump_file): Removed.
7881 (rtl_profile_hooks): emoved profile_dump_file hook.
7882 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7884 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7885 * tree-cfg.c (build_tree_cfg): Ditto.
7886 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7887 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7888 Declaration changed.
7889 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7890 life_analysis and schedule_insns.
7891 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7893 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7895 * config/mips/mips.c (mips_reorg): Ditto.
7896 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7899 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7901 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7902 (s390_mangle_fundamental_type): New.
7903 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7906 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7907 (alpha_mangle_fundamental_type): New.
7908 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7911 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7913 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7915 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7916 (sparc_mangle_fundamental_type): New.
7918 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7920 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7921 (s390x-*-linux*): Likewise.
7922 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7923 * config/s390/t-linux: New file.
7925 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7927 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7928 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7930 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7932 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7933 (ANTIC_SAFE_LOADS): New macro.
7934 (find_or_generate_expression): Add prototype.
7935 (set_contains_value): Allow null set for sake of not always having
7936 to allocate ANTIC_SAFE_LOADS.
7937 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7938 Allow COMPONENT_REF too.
7939 (valid_in_set): Allow COMPONENT_REF.
7940 Check ANTIC_SAFE_LOADS too.
7941 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7942 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7944 (can_PRE_operation): Add COMPONENT_REF.
7945 (create_component_ref_by_pieces): New function.
7946 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7947 (insert_aux): Move AGGREGATE_TYPE_P check here.
7948 (compute_avail): Set bb local stmt uids.
7949 (pass_pre): Use TODO_update_ssa_only_virtuals.
7951 2006-02-06 Ben Elliston <bje@au.ibm.com>
7953 * configure.ac: Unconditionally disable decimal float by default.
7954 * configure: Regenerate.
7956 2006-02-06 Ben Elliston <bje@au.ibm.com>
7958 * read-rtl.c (read_name): Terminate reading on EOF.
7960 2006-02-06 Ben Elliston <bje@au.ibm.com>
7962 * dfp.c (decimal_real_arithmetic): Change second argument type
7963 from int to enum tree_code. Do not always return true, but now
7964 return result of any call to decimal_do helper functions.
7965 * dfp.h (decimal_real_arithmetic): Update prototype.
7967 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7969 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7971 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7974 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7977 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7979 * tree-vrp.c (cfg_loops): Removed.
7980 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7981 Use current_loops instead of cfg_loops. Pass flags to
7982 loop_optimizer_init.
7983 * cfgloopmanip.c (fix_loop_structure): Update only available
7985 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7986 loop_optimizer_init.
7987 * modulo-sched.c (build_loops_structure): Removed.
7988 (sms_schedule): Use loop_optimizer_init.
7989 * loop-init.c (loop_optimizer_init): Use flags to determine
7990 which properties of loops to prepare.
7991 (rtl_loop_init): Pass flags to loop_optimizer_init.
7992 * tree-ssa-sink.c (execute_sink_code): Ditto.
7993 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7994 * tree-ssa-pre.c (init_pre): Ditto.
7995 * cfgloop.h (LOOPS_NORMAL): New.
7996 (loop_optimizer_init): Declaration changed.
7998 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8000 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8001 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8003 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8005 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8007 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8008 * pa/t-pa64: Delete quadlib.c rule.
8009 * pa/x-ada: Revert last change.
8010 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8012 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8014 PR rtl-optimization/26087
8015 * rtlanal.c (canonicalize_condition): Do not cross basic block
8018 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8021 * config/ia64/ia64.c: Include debug.h.
8022 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8023 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8024 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8025 (process_epilogue, process_set, process_for_unwind_directive):
8026 Output unwind info only if requested. Add CFA info if requested.
8027 Add new arguments as needed. Adjust callers.
8028 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8030 (DWARF2_FRAME_INFO): Define to zero.
8031 * config/ia64/unwind-ia64.c: Remove code that compensated for
8032 the CFA offset error fixed above.
8033 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8034 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8035 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8036 -funwind-tables and -fexceptions to enable frame info.
8037 (dwarf2out_frame_init): Define initial CFA even if
8038 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8039 DWARF2_UNWIND_INFO is nonzero, not just defined.
8040 (dwarf2out_frame_finish): Output non-EH call frame info only
8041 if DWARF2_FRAME_INFO is nonzero.
8042 (convert_cfa_to_loc_list,
8043 compute_frame_pointer_to_cfa_displacement): Define even if
8044 unwind info is not supported.
8045 (gen_subprogram_die): Use the above unconditionally. Remove
8046 legacy alternate code.
8047 * toplev.c (compile_file): Compile in call to
8048 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8049 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8051 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8052 Jakub Jelinek <jakub@redhat.com>
8054 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8055 IBM extended float format long double as "g" on powerpc*-linux.
8057 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8060 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8061 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8063 2006-02-03 Jason Merrill <jason@redhat.com>
8066 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8069 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8070 on the return slot if it's an NRV.
8072 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8074 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8075 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8076 rewrite_use): Do not handle USE_OUTER.
8077 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8078 add_iv_outer_candidates, may_replace_final_value,
8079 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8080 (find_interesting_uses_op): Functionality of
8081 find_interesting_uses_outer_or_nonlin moved here.
8082 (find_interesting_uses_outside): Use find_interesting_uses_op.
8084 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8087 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8089 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8090 Ulrich Weigand <uweigand@de.ibm.com>
8093 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8094 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8095 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8096 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8098 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8099 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8100 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8101 Define secondary reloads for TFmode moves.
8102 (constant_modes): Add TFmode.
8103 (NR_C_MODES): Set to 8.
8104 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8106 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8107 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8108 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8109 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8110 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8111 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8112 (FPR mode macro): Add TFmode.
8113 (DSF mode macro): New.
8114 (<de>, <dee> mode attributes): Removed.
8115 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8116 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8117 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8118 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8119 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8120 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8121 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8122 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8123 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8124 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8125 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8126 "*negabs<mode>2", "sqrt<mode>2"):
8127 Changed <de> to <xde>. R constraint replaced by <Rf>.
8128 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8130 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8131 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8132 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8134 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8135 "extenddftf2", "extendsftf2"): New expanders.
8136 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8137 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8138 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8139 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8141 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8142 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8143 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8144 __floatditf): Add a GCC_4.1.0 symbol version tag.
8145 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8148 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8151 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8152 Use targetm.binds_local_p instead of TREE_PUBLIC.
8154 2006-02-02 Roger Sayle <roger@eyesopen.com>
8156 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8157 on INTEGER_TYPEs to indicate that it denotes a character type.
8158 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8159 signed_char_type_node, unsigned_char_type_node and char_type_node.
8160 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8161 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8162 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8164 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8165 Daniel Berlin <dberlin@dberlin.org>
8167 * tree-tailcall.c (arg_needs_copy_p): New function.
8168 (eliminate_tail_call): Use arg_needs_copy_p.
8169 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8170 (add_virtual_phis): New function.
8172 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8174 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8175 #ignore instead of #scratch for %g7 .register directive.
8177 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8179 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8182 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8184 * flow.c (calculate_global_regs_live): Assert that there aren't any
8187 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8189 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8191 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8192 bsi_after_labels iterator.
8193 * tree-if-conv.c (find_phi_replacement_condition,
8194 replace_phi_with_cond_modify_expr): Likewise.
8195 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8196 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8198 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8200 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8202 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8205 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8206 array after growing it.
8208 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8211 * fold-const.c (fold_checksum_tree): Change type of buf.
8213 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8215 * reload.c (push_secondary_reload): Initialize t_icode.
8217 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8219 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8220 -msoft-float -mlong-double-128 only issue a warning, but don't
8221 swich to DFmode long double.
8223 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8225 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8226 has a constant equivalent, iterate over equivalents for arg0,
8227 calling simplify_relational_operation and if there's a result
8228 cheaper than X, apply fold_rtx and return the result.
8230 2006-02-01 Jan Hubicka <jh@suse.cz>
8232 * opts.c (no_unit_at_a_time_default): New global variable.
8233 (decode_options): Use it.
8234 * opts.h (no_unit_at_a_time_default): Declare.
8236 2006-02-01 Paul Brook <paul@codesourcery.com>
8238 * function.c (assign_parm_setup_reg): Use function argument promotion
8240 * expr.c (expand_expr_real_1): Use function argument promotion rules
8243 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8245 * gcc.c (process_command): Change j to 'unsigned int'.
8247 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8250 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8251 Use the corrected index for the character
8252 out of the string constant.
8254 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8256 * mode-switching.c (optimize_mode_switching): Fix size
8257 allocated for bb_info[n_entities].
8259 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8261 * gcc.c (main): Correct type that is allocated for
8262 explicit_link_files.
8264 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8266 * config/s390/s390.c (init_alignment_context): Set
8267 ALIAS_SET_MEMORY_BARRIER on the MEM.
8268 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8270 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8273 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8275 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8278 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8280 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8281 * regrename.c: Ditto.
8282 * tree-ssa-loop-im.c: Ditto.
8283 * tree-dump.c: Ditto.
8284 * tree-complex.c: Ditto.
8285 * genrecog.c: Ditto.
8286 * tree-ssa-threadupdate.c: Ditto.
8288 * java/class.c: Ditto.
8289 * java/jcf-parse.c: Ditto.
8290 * java/resource.c: Ditto.
8291 * java/except.c: Ditto.
8292 * java/jvspec.c: Ditto.
8293 * java/jcf-write.c: Ditto.
8294 * java/jcf-path.c: Ditto.
8295 * java/gjavah.c: Ditto.
8296 * java/zextract.c: Ditto.
8297 * java/jcf-io.c: Ditto.
8298 * java/jcf.h: Ditto.
8299 * java/buffer.c: Ditto.
8300 * java/lang.c: Ditto.
8301 * java/parse-scan.y: Ditto.
8302 * java/lex.c: Ditto.
8303 * java/lex.h: Ditto.
8304 * cfgloopmanip.c: Ditto.
8305 * postreload-gcse.c: Ditto.
8306 * tree-ssa-loop-manip.c: Ditto.
8307 * postreload.c: Ditto.
8308 * tree-ssa-loop-ch.c: Ditto.
8312 * diagnostic.c: Ditto.
8314 * genoutput.c: Ditto.
8316 * cfghooks.c: Ditto.
8317 * cfgloopanal.c: Ditto.
8318 * objc/objc-act.c: Ditto.
8320 * genextract.c: Ditto.
8321 * genautomata.c: Ditto.
8322 * pretty-print.c: Ditto.
8324 * cgraphunit.c: Ditto.
8327 * haifa-sched.c: Ditto.
8328 * dominance.c: Ditto.
8330 * tree-ssa-loop-ivopts.c: Ditto.
8332 * mode-switching.c: Ditto.
8333 * modulo-sched.c: Ditto.
8335 * ipa-pure-const.c: Ditto.
8337 * fix-header.c: Ditto.
8339 * tree-stdarg.c: Ditto.
8340 * ipa-utils.c: Ditto.
8341 * loop-init.c: Ditto.
8342 * ipa-inline.c: Ditto.
8345 * alloc-pool.c: Ditto.
8346 * dwarf2out.c: Ditto.
8348 * genattrtab.c: Ditto.
8349 * tree-ssa-loop-ivcanon.c: Ditto.
8353 * fortran/gfortranspec.c: Ditto.
8355 * local-alloc.c: Ditto.
8356 * langhooks.c: Ditto.
8357 * function.c: Ditto.
8358 * tree-vectorizer.c: Ditto.
8360 * ipa-type-escape.c: Ditto.
8362 * tree-if-conv.c: Ditto.
8365 * tree-data-ref.c: Ditto.
8366 * loop-unroll.c: Ditto.
8367 * treelang/treetree.c: Ditto.
8370 * ggc-common.c: Ditto.
8372 * coverage.c: Ditto.
8374 * tree-cfgcleanup.c: Ditto.
8375 * tree-ssa-pre.c: Ditto.
8376 * cfgcleanup.c: Ditto.
8377 * loop-invariant.c: Ditto.
8379 * ipa-prop.c: Ditto.
8380 * print-tree.c: Ditto.
8381 * conflict.c: Ditto.
8382 * ggc-page.c: Ditto.
8383 * sched-deps.c: Ditto.
8384 * regclass.c: Ditto.
8385 * tree-object-size.c: Ditto.
8387 * bb-reorder.c: Ditto.
8388 * resource.c: Ditto.
8389 * var-tracking.c: Ditto.
8391 * df-problems.c: Ditto.
8392 * reg-stack.c: Ditto.
8395 * sched-rgn.c: Ditto.
8396 * tree-ssa-structalias.c: Ditto.
8397 * tree-ssa-reassoc.c: Ditto.
8398 * config/darwin-c.c: Ditto.
8399 * config/darwin.c: Ditto.
8400 * config/arm/arm.c: Ditto.
8402 * collect2.c: Ditto.
8405 2006-01-31 Nicolas Pitre <nico@cam.org>
8407 * arm.md (smaxsi3): Make aware of smax_m1.
8410 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8412 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8414 2006-01-31 Richard Guenther <rguenther@suse.de>
8416 * doc/invoke.texi (-msselibm): Document.
8417 * target.h (expand_library_builtin): New target hook.
8418 * builtins.c (expand_builtin): Use expand_library_builtin.
8419 (default_expand_library_builtin): New function.
8420 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8421 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8422 (link_gcc_math_spec): Declare.
8423 (static_specs): Add link_gcc_math_spec.
8424 * expr.h (default_expand_library_builtin): Declare.
8425 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8426 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8427 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8428 * config/i386/i386.opt (msselibm): New target option.
8429 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8430 (ix86_init_sse_abi_builtins): New function.
8431 (ix86_expand_library_builtin): Likewise.
8432 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8433 (override_options): Handle error conditions wrt -msselibm.
8434 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8435 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8436 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8439 2006-01-31 Richard Guenther <rguenther@suse.de>
8440 Paolo Bonzini <bonzini@gnu.org>
8442 * doc/install.texi (--disable-libgcc-math): Document.
8444 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8446 * expr.h (expand_normal): new inline function.
8447 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8449 * dwarf2out.c: use it.
8454 * config/sparc/sparc.c: use it.
8455 * config/i386/i386.c: use it.
8456 * config/rs6000/rs6000.c: use it.
8457 * config/arm/arm.c: use it.
8458 * config/mips/mips.c: use it.
8459 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8461 2006-01-30 Roger Sayle <roger@eyesopen.com>
8463 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8464 argv to the appropriate type.
8466 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8468 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8471 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8474 * config/s390/s390.c (struct machine_function): New flag
8475 decomposed_literal_pool_addresses_ok_p.
8476 (s390_reorg): Set it before final stage of literal pool transforms.
8477 (s390_decompose_address): Only accept displacements of the form
8478 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8480 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8482 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8483 the comparison routine return.
8485 2006-01-30 Michael Matz <matz@suse.de>
8487 * global.c (find_reg): Only evict for global regs.
8488 Take n_refs into account and dump more info.
8490 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8493 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8494 (pragma_trap, pragma_nosave_low_regs): Likewise.
8495 (current_function_anonymous_args): Likewise.
8496 (sh_deferred_function_attributes): New variable.
8497 (sh_deferred_function_attributes_tail): Likewise.
8498 (print_operand): For '@', look up trap_exit attribute.
8499 (calc_live_regs): Look up trapa_handler attribute. For trapa
8500 handlers, save/restore fpscr, but don't do any other
8501 interrupt-specific saves.
8502 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8503 Fix check for partially saved registers to check for SHmedia.
8504 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8505 (sh_output_function_epilogue): Don't clear any of the removed
8507 (sh_insert_attributes): Don't check pragma_interrupt.
8508 Insert deferred attributes. Check that interrupt attribute is
8509 present for other attributes that require its presence.
8510 (sh_attribute_table): Add new attributes trapa_handler and
8512 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8513 Don't check for pragma_interrupt. Don't store argument.
8514 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8515 (sh_deferred_function_attributes): Declare.
8516 (sh_deferred_function_attributes_tail): Likewise.
8517 * sh.md (sp_switch_1): Add operand. Change generator caller.
8518 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8519 (*return_i): Don't use when trap_exit attribute is in effect.
8520 (*return_trapa): New insn pattern.
8522 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8523 setting c_target_objs and cxx_target_objs.
8524 * t-sh: Add rule for sh-c.o.
8526 2006-01-30 Richard Guenther <rguenther@suse.de>
8529 * gimplify.c (gimplify_target_expr): Handle easy cases
8530 without creating a temporary.
8532 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8534 * vec.h (safe_grow): Remove duplicated line.
8536 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8539 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8540 (expand_omp): ... here.
8541 (expand_omp_parallel): Only remove barriers for combined
8542 parallel+workshare constructs.
8544 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8548 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8549 * tree.c (build_qualified_type): Chain the new type to the original
8550 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8551 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8552 (build_pointer_type_for_mode): Only return unqualified types.
8553 (build_reference_type_for_mode): Likewise.
8555 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8557 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8558 * Makefile.in (CXX_COMPAT_WARN): Define.
8559 * configure: Regenerate.
8561 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8564 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8567 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8569 * toplev.c: Fix thinko.
8571 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8572 Marcin Dalecki <martin@dalecki.de>
8574 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8575 (push_srcloc): Use XNEW.
8576 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8578 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8580 * df-core.c (df_set_blocks): Deleted all variable.
8582 2006-01-28 Ian Lance Taylor <ian@airs.com>
8584 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8585 cgraph_output_pending_asms.
8587 2006-01-28 Zack Weinberg <zackw@panix.com>
8589 * c.opt: Add -W(no-)overlength-strings.
8590 * doc/invoke.texi: Document it.
8591 * c-opts.c (c_common_handle_option): -pedantic implies
8592 -Woverlength-strings, if not explicitly disabled already.
8593 (c_common_post_options): -Woverlength-strings defaults to off, and
8594 is always off for C++.
8595 * c-common.c (fix_string_type): Issue warning about strings longer
8596 than is portable only if warn_overlength_strings. Rearrange code
8597 a little for clarity.
8598 * configure.in: Check for -Wno-overlength-strings as well before
8599 enabling -pedantic in stage 1.
8600 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8601 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8603 * genconditions.c (write_header, write_one_condition)
8604 (write_conditions, write_writer): Consolidate very long strings
8605 that were broken up to fit in C89 portable limit. Don't use
8606 printf when fputs will do.
8608 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8610 * combine.c (simplify_comparison <AND>): Check
8611 TRULY_NOOP_TRUNCATION before start using a subreg.
8613 * config/mips/mips.md (*branch_zero<mode>,
8614 *branch_zero<mode>_inverted, *branch_equality<mode>,
8615 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8616 Remove mode check from comparisons.
8618 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8620 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8622 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8624 * expmed.c (const_mult_add_overflow_p): Remove.
8625 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8627 * recog.c (validate_replace_rtx_subexp): Remove.
8628 * recog.h: Remove the prototype for
8629 validate_replace_rtx_subexp.
8631 * integrate.h: Remove the prototype for
8632 copy_decl_for_inlining.
8633 * rtl.h: Remove the prototype for mark_constant_function.
8634 * tree-vectorizer.h: Remove the prototype for
8635 vect_strip_conversion.
8637 * modulo-sched.c (create_partial_schedule,
8638 free_partial_schedule, reset_partial_schedule): Make them
8641 * hooks.c (hook_bool_rtx_int_false): Remove.
8642 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8644 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8646 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8647 and -mlong-double-128 are incompatible.
8648 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8649 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8650 (TARGET_LIBGCC2_CFLAGS): Define.
8651 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8652 (TARGET_LIBGCC2_CFLAGS): Same.
8653 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8655 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8658 * c-typeck.c (build_binary_op): Perform implicit casts of
8659 operands before shortening them.
8661 * cfgloopmanip.c (split_loop_bb): Remove.
8662 * cfgloop.h: Remove the prototype for split_loop_bb.
8664 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8665 * cfgloop.h: Remove the prototype for
8666 flow_loop_outside_edge_p.
8668 * emit-rtl.c (init_virtual_regs): Make it static.
8669 * function.h: Remove the prototype for init_virtual_regs.
8671 * recog.c (peephole2_optimize): Make it static.
8672 * recog.h: Remove the prototype for peephole2_optimize.
8674 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8676 * df-scan.c (df_record_entry_block_defs): Check if
8677 INCOMING_RETURN_ADDR_RTX is defined.
8679 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8680 Kenneth Zadeck <zadeck@naturalbridge.com>
8682 PR rtl-optimization/24762
8683 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8684 * targhooks.c (hook_void_bitmap): New hook prototype.
8685 * targhoohs.h (hook_void_bitmap): Ditto.
8686 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8687 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8688 * target.h (live_on_entry): New function pointer.
8689 * df-scan.c (df_all_hard_regs): Removed.
8690 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8691 (df_scan_free_internal): Added df->entry_block_defs.
8692 (df_scan_alloc): Ditto.
8693 (df_scan_dump): Ditto.
8694 (df_uses_record): Plumbed flag field properly thru calls.
8695 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8696 This part fixes PR24762.
8697 (df_bb_refs_record): Added code to make the frame and arg
8698 pointers live in EH blocks.
8699 (df_refs_record): Added call to df_record_entry_block_defs.
8700 (df_record_entry_block_defs): New function.
8701 * df-core.c: Added comments to describe new artifical defs.
8702 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8703 (entry_block_defs): New field in struct df.
8704 (df_all_hard_regs): Deleted.
8705 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8706 * df-problems.c (df_ru_bb_local_compute_process_def):
8707 Added code to handle artifical defs in the entry to a function.
8708 (df_ru_bb_local_compute): Ditto.
8709 (df_rd_bb_local_compute_process_def): Ditto.
8710 (df_rd_bb_local_compute): Ditto.
8711 (df_lr_bb_local_compute): Ditto.
8712 (df_ur_bb_local_compute): Ditto.
8713 (df_urec_bb_local_compute): Ditto.
8714 (df_chain_create_bb): Ditto.
8715 (df_ur_local_finalize): Removed entry.
8716 (df_urec_init): Ditto.
8717 (df_urec_local_finalize): Ditto.
8718 (df_ri_bb_compute): Added detection of last use of pseudos.
8719 * Makefile.in (df-scan.o): Updated dependencies.
8720 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8721 * config/mips/mips.c (mips_set_live_on_entry): Added.
8722 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8724 * dce.c (marked_insn_p): Added code to handle artifical defs.
8726 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8728 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8730 (_mm_cvtsi128_si64): Likewise.
8731 (_mm_cvtsd_si64): Likewise.
8732 (_mm_cvttsd_si64): Likewise.
8733 (_mm_cvtsi64_sd): Likewise.
8734 (_mm_cvtsi64_si128): Likewise.
8735 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8736 (_mm_cvtsi64_m64): Likewise.
8737 (_m_to_int64): Likewise.
8738 (_mm_cvtm64_si64): Likewise.
8739 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8740 (_mm_cvttss_si64): Likewise.
8741 (_mm_cvtsi64_ss): Likewise.
8742 (_mm_cvtss_f32): Likewise.
8744 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8746 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8747 for pragma redefine_extname.
8749 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8752 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8753 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8754 -mno-minimal-toc to previous content.
8755 (bispecs): Remove goal.
8756 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8757 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8758 compatibility aliases on powerpc-*-*gnu*.
8759 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8760 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8761 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8762 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8763 (ldblspecs): New goal.
8764 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8765 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8767 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8768 L_sf_to_tf or L_df_to_tf is defined.
8770 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8771 Alan Modra <amodra@bigpond.net.au>
8774 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8775 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8776 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8777 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8778 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8779 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8780 (rs6000_override_options): Initialize rs6000_ieeequad.
8781 Initialize TFmode format to ibm_extended_format if not
8783 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8785 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8786 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8787 (function_arg_advance): IBM long double passed in two FPRs, not
8789 (function_arg): IBM long double passed in FPRs.
8790 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8791 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8792 Only multireg GPR aligned.
8793 (rs6000_init_libfuncs): Enable IBM long double functions if not
8795 (rs6000_generate_compare): Use IBM long double compare if not
8797 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8798 (TARGET_IEEEQUAD): Define.
8799 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8800 not TARGET_IEEEQUAD.
8801 * config/rs6000/rs6000.md: Enable TFmode patterns if
8803 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8804 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8805 and -mlong-double-128 are incompatible.
8806 * doc/invoke.texi (-mabi): Collect options together. Add
8807 ibmlongdouble and ieeelongdouble.
8809 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8811 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8813 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8814 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8815 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8816 * rtl.h (rtunion_def): Remove rt_ptr.
8818 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8819 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8820 * config/i386/winnt.c (i386_pe_mark_dllexport)
8821 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8823 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8825 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8827 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8831 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8832 pthread_key_delete. From John David Anglin. gthrw-ify
8833 pthread_getunique_np only if it it's not a macro. Delete
8835 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8836 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8837 __gthread_objc_condition_signal, __gthread_key_delete): Add
8838 "__attribute__ ((__unused__))" to unused arguments.
8839 (__gthread_recursive_mutex_init_function): Add missing return.
8840 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8841 gthr-posix95.h: Use macro-based approach for name redirection
8842 on targets missing weakref.
8844 2006-01-26 Zack Weinberg <zackw@panix.com>
8846 * genconditions.c (write_header): In generated code, #ifdef out
8847 all includes and fake declarations, except includes of bconfig.h
8848 and system.h, unless GCC_VERSION >= 3001. Do not include
8849 gensupport.h in any case.
8850 (write_conditions): Generate a definition of struct c_test. Add
8851 a comment to the generated #endif.
8852 (write_one_condition): Escape backslashes in string too.
8853 (write_writer): Generated code must escape backslashes and quote
8854 marks (but not newlines) in the strings it writes.
8855 * Makefile.in (build/gencondmd.o): Update dependencies.
8857 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8860 * Makefile.in (insn-automata.o): Add header file dependencies.
8861 * genautomata.c: Add includes.
8863 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8866 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8868 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8870 * configure.ac: Expect target tools paths to be passed from the toplevel
8871 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8873 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8875 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8878 * c.opt (Wpointer-sign): Init to -1.
8879 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8880 OPT_pedantic, to 0 otherwise.
8881 * doc/invoke.texi: Update.
8883 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8885 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8886 constants provided by 80387 instructions in the destination mode.
8888 2006-01-26 Richard Guenther <rguenther@suse.de>
8889 Andrew Pinski <pinskia@physics.uc.edu>
8892 partial PR tree-opt/17064
8893 * tree-ssa-structalias.c (intra_create_variable_infos):
8894 Create heap variables for incoming parameters if
8895 flag_argument_noalias > 1.
8896 (find_what_p_points_to): Look through default defs of
8899 2006-01-26 Jeff Law <law@redhat.com>
8902 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8903 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8904 within the VR_RANGE, use the VR_RANGE as the result, not the
8906 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8907 bounds for the type.
8909 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8911 * tree-ssa-alias.c (maybe_create_global_var): Change
8912 subvar walking to an assertion that we don't have subvar'd variables.
8914 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8917 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8918 Use a new variable, inner. PARM_DECLs are always non-weak.
8920 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8922 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8925 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8927 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8929 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8931 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8932 (smax_insn, smin_insn, smax_0, smin_0): New.
8934 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8937 * config/cris/cris.c (cris_order_for_addsi3): New function.
8938 * config/cris/cris-protos.h: Prototype it.
8939 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8940 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8941 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8942 (split for "op.S1 [rx=rx+i],ry (swapped)")
8943 (split for "op(s|u).S1 [rx=rx+i],ry")
8944 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8945 Apply cris_order_for_addsi3 when generating addsi3 insns.
8947 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8949 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8950 (TREE_BLOCK): Add call to EXPR_CHECK.
8952 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8955 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8956 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8957 (dump_omp_clauses): ... here.
8958 (dump_generic_node): Handle OMP_CLAUSE.
8959 * tree.c (omp_clause_num_ops): New.
8960 (omp_clause_code_name): New.
8961 (tree_code_size): Handle OMP_CLAUSE.
8962 (tree_size): Likewise.
8963 (make_node): Document handling of OMP_CLAUSE.
8964 (tree_node_structure): Handle OMP_CLAUSE.
8965 (omp_clause_check_failed): New.
8966 (omp_clause_range_check_failed): New.
8967 (omp_clause_operand_check_failed): New.
8968 (build_omp_clause): New.
8969 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8970 * tree.h (enum omp_clause_code): Declare.
8971 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8972 (OMP_CLAUSE_RANGE_CHECK): Define.
8973 (OMP_CLAUSE_ELT_CHECK): Define.
8974 (omp_clause_check_failed): Declare.
8975 (omp_clause_operand_check_failed): Declare.
8976 (omp_clause_range_check_failed): Declare.
8977 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8978 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8979 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8980 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8981 (OMP_CLAUSE_IF_EXPR): Likewise.
8982 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8983 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8984 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8985 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8986 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8987 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8988 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8989 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8990 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8991 (OMP_CLAUSE_CODE): Define.
8992 (OMP_CLAUSE_SET_CODE): Define.
8993 (OMP_CLAUSE_CODE): Define.
8994 (OMP_CLAUSE_OPERAND): Define.
8995 (struct tree_omp_clause): Declare.
8996 (union tree_node): Add field 'omp_clause'.
8997 * treestruct.def (TS_OMP_CLAUSE): Define.
8998 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8999 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9000 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9001 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9002 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9003 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9004 (OMP_CLAUSE): Define.
9005 * print-tree.c (print_node): Handle OMP_CLAUSE.
9006 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9007 * c-typeck.c: Likewise.
9008 * gimplify.c: Likewise.
9009 * c-omp.c: Likewise.
9010 * tree-nested.c: Likewise.
9011 * tree-inline.c: Likewise.
9012 * c-parser.c: Likewise.
9013 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9016 2006-01-25 Roger Sayle <roger@eyesopen.com>
9018 PR rtl-optimization/25703
9019 * combine.c (try_combine): Handle zero_extract and strict_low_part
9020 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9022 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9024 * global.c: Fix comment typos.
9026 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9029 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9030 Use output_addr_const instead of assemble_name.
9032 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9034 * Makefile.in (sched-vis.o): Update dependencies.
9035 * haifa-sched.c (sched_finish): Clear current_sched_info.
9036 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9037 (dump_flow_info): Call it.
9038 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9040 * basic-block.h (dump_bb_info): Declare.
9041 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9042 option, and apply options only for dump files whose TDF_RTL,
9043 TDF_TREE, or TDF_IPA bits match.
9044 * rtl.h: Declare new functions exported from sched-vis.c.
9045 * sched-vis.c: Enable also if scheduling is not used.
9046 (print_value): Print the mode of registers if not inside scheduling.
9047 (print_insn): Make it work outside the scheduler. Beautify the output
9049 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9051 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9053 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9054 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9055 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9056 depending on the value of CONSTANT_POOL_ADDRESS_P.
9057 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9059 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9060 rather than SYMBOL_REF_DECL.
9061 (rtx_constant_pool): Remove const_rtx_sym_htab.
9062 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9063 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9064 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9065 Remove handling of const_rtx_sym_htab.
9066 (find_pool_constant): Delete.
9067 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9068 rather than find_pool_constant.
9069 (get_pool_constant_for_function): Delete.
9070 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9072 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9073 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9074 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9075 (SYMBOL_REF_CONSTANT): New macro.
9076 (get_pool_constant_for_function): Delete.
9077 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9078 rather than SYMBOL_REF_DECL.
9079 (i386_pe_mark_dllimport): Likewise.
9080 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9081 rather than SYMBOL_REF_DECL.
9082 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9083 (machopic_indirect_call_target): Likewise.
9085 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9087 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9089 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9091 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9093 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9095 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9097 2006-01-24 David Daney <ddaney@avtrex.com>
9100 * configure.ac (enable_tls): New enable option.
9101 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9102 * configure: Regenerate.
9103 * doc/install.texi (--enable-tls): Document new option.
9104 (--disable-tls): Ditto.
9106 2006-01-24 Richard Henderson <rth@redehat.com>
9108 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9109 * alias.c (true_dependence): Respect it.
9110 (canon_true_dependence, write_dependence_p): Likewise.
9111 * builtins.c (get_builtin_sync_mem): Set it.
9113 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9115 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9118 2006-01-24 DJ Delorie <dj@redhat.com>
9120 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9121 for storing constants in single-bit bitfields.
9123 2006-01-25 Ben Elliston <bje@au.ibm.com>
9125 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9127 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9130 * tree-ssa-pre.c (phi_translate): Return NULL
9131 for AGGREGATE_TYPE's.
9133 2006-01-24 Zack Weinberg <zackw@panix.com>
9135 * genautomata.c (process_state_for_insn_equiv_partition):
9136 Use xcalloc for insn_arcs_array.
9137 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9138 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9140 2006-01-24 Richard Henderson <rth@redhat.com>
9142 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9145 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9147 PR rtl-optimization/25890
9148 PR rtl-optimization/25905
9149 * combine.c (expand_compound_operation, expand_field_assignment):
9150 Fail if the bitfield's final position is out of bounds.
9152 2006-01-24 Ian Lance Taylor <ian@airs.com>
9155 * cgraphunit.c (cgraph_output_in_order): Don't clear
9156 cgraph_asm_nodes until after asm strings have been output.
9158 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9160 * fix-header.c (read_scan_file): Add new parameter imultilib when
9161 calling register_include_chains.
9163 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9165 * omp-low.c: Update documentation.
9167 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9168 Daniel Berlin <dberlin@dberlin.org>
9172 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9173 return from the function.
9175 2006-01-22 Zack Weinberg <zackw@panix.com>
9177 * rtl.def (match_code): Add second argument.
9178 * genpreds.c (write_extract_subexp): New function.
9179 (write_match_code): Add path argument. Use write_extract_subexp.
9180 (write_predicate_expr): Pass path to write_match_code.
9181 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9182 not perform a mode test.
9183 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9184 a subexpression does not constrain the top-level code set.
9185 * read-rtl.c (read_rtx_variadic): New function.
9186 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9187 * doc/md.texi: Document new notation.
9188 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9189 (cmpsi_operand): ... here, using new notation.
9191 2006-01-22 Zack Weinberg <zackw@panix.com>
9193 * varray.c: Remove GENERATOR_FILE #ifdefs.
9195 2006-01-22 Zack Weinberg <zackw@panix.com>
9197 * genautomata.c (output_reserved_units_table): Emit nothing if
9198 description->query_units_num is zero. Remove extra blank line.
9199 (output_cpu_unit_reservation_p): Short circuit
9200 if description->query_units_num is zero.
9202 2006-01-22 Zack Weinberg <zackw@panix.com>
9204 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9205 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9206 nor any of the random handful of variables that used to be necessary
9207 when this program was linked with rtlanal.o. Prune set of forward
9208 function declarations.
9209 (struct attr_desc): Remove static_p field.
9210 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9211 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9212 (attr_string): Do not read the character one past the length of
9214 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9215 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9216 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9217 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9218 (make_automaton_attrs): New.
9219 (main): Do not call into genautomata. Call local gen_bypass
9220 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9221 Remove special case for insn_alts.
9222 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9223 varray.h (leftover from previous change). Prune set of forward
9224 function declarations. Remove state_alts fields from all
9225 structures. Remove state_alts_table from struct automaton.
9226 Make everything except main static. Do not maintain num_dfa_decls.
9227 Do not maintain state_alts fields of various structures.
9228 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9229 (add_arc): Remove state_alts argument. All callers updated.
9230 (output_reserved_units_table): Emit #ifdef here...
9231 (output_tables): ...not here. Don't generate state_alts tables.
9232 (expand_automata): Don't generate attributes.
9233 (write_automata): Don't generate state_alts functions.
9234 (main): New function.
9235 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9236 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9237 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9238 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9239 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9240 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9241 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9242 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9244 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9245 * genattrtab.h: Delete file.
9246 * Makefile.in (OBJS-common): Add insn-automata.o.
9247 (insn-automata.o): New rule.
9248 (simple_generated_c): Add insn-automata.c.
9249 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9250 (genprogmd): Add automata.
9251 (build/genattrtab): Needs no extra objects nor libraries.
9252 (build/genautomata): Needs build/vec.o and -lm.
9254 2006-01-22 Zack Weinberg <zackw@panix.com>
9256 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9257 (output_dfa_max_issue_rate, locked_states_num): Delete.
9258 (struct automaton): Add locked_states field.
9259 (output_dead_lock_vect): Save number of locked states in
9260 automaton->locked_states. If it is zero, don't print anything.
9261 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9262 (output_internal_dead_lock_func): Only test the dead_lock_vect
9263 for automata that have locked states.
9264 (output_statistics): Always print the number of locked states for
9265 each automaton. Calculate total number of locked states here.
9266 (write_automata): Don't call output_dfa_max_issue_rate.
9267 * genattrtab.c: Define length_unit_log as a const variable.
9268 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9269 max_insn_queue_index const.
9270 * final.c (length_unit_log): Declare const.
9271 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9273 2006-01-22 Zack Weinberg <zackw@panix.com>
9275 * genautomata.c: Include vec.h, not varray.h.
9276 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9277 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9278 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9279 VEC_* macros operating on appropriately typed vectors, or to
9280 malloced arrays when the size is known in advance. Const-ify
9281 many char* variables and function arguments. No functional changes.
9282 * Makefile.in (build/varray.o): Delete rule.
9283 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9284 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9286 2006-01-22 Zack Weinberg <zackw@panix.com>
9288 * gensupport.c: Define get_insn_name and record_insn_name here.
9289 (read_md_rtx): Call record_insn_name as appropriate.
9290 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9291 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9292 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9294 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9295 (BUILD_VARRAY): Delete.
9296 (genprognormal): Rename genprogmd. Fold in all programs from
9297 genprognoprint; also attrtab.
9298 (build/genattrtab): Just mention genautomata.o and varray.o.
9299 Reorganize a bit, add comments to make the categories clearer.
9301 2006-01-22 Zack Weinberg <zackw@panix.com>
9303 * genconditions.c (condition_table, add_condition): Delete.
9304 (write_conditions): Don't emit n_insn_conditions nor
9305 insn_elision_unavailable. Issue the gcc version #ifdef here,
9306 inside the table, with no #else clause ...
9307 (write_header): ...not here.
9308 (write_writer): New function.
9309 (main): Don't initialize condition_table. Use add_c_test.
9311 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9312 files on the command line.
9313 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9314 Return -1 if there is no entry in the table, don't abort.
9315 (add_c_test, traverse_c_tests): New functions.
9316 * gensupport.h (insn_elision_unavailable, insn_conditions)
9317 (n_insn_conditions): Delete declarations.
9318 (add_c_test, traverse_c_tests): Declare.
9319 * read-rtl.c: Include gensupport.h.
9320 (read_conditions): New function.
9321 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9322 (read_rtx_1): If we get EOF when we were looking for an initial
9323 open paren, return 0. Call read_conditions when appropriate.
9324 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9325 dummy-conditions.o. Eliminate references to insn-conditions.o,
9326 or change them to build/gencondmd.o, as appropriate. Remove
9327 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9328 from $(simple_generated_c). For all files remaining in those
9329 two lists, add insn-conditions.md to the generator command line.
9330 Give insn-constants.h/s-constants their own rules. Add rules
9331 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9332 (build/read-rtl.o): Depend on gensupport.h.
9333 (genprognormal): Include preds.
9334 (genprogearly): Rename genprognoprint; only difference is now that
9335 they don't link with $(BUILD_PRINT).
9336 * dummy-conditions.c: Delete.
9338 2006-01-22 Zack Weinberg <zackw@panix.com>
9340 * genextract.c: Don't include insn-config.h. Do include vec.h.
9341 Declare vectors of int, char, and locstr.
9342 (locstr): New typedef.
9343 (struct extraction): Make all array fields into bare pointers.
9344 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9345 (insn_code_number): Delete.
9346 (accum_extract): New struct.
9347 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9348 (gen_insn): Take insn_code_number as an argument. Use an
9349 accum_extract structure instead of loading data directly into
9350 a struct extraction, and having to know how big it might get.
9351 (walk_rtx): Operate entirely on an accum_extract structure.
9352 (print_path): Avoid unnecessary use of printf.
9353 (print_header): New function, split out of main. Distinguish
9354 more carefully between an unrecognizable insn and an insn that
9355 has the code number of a define_expand.
9356 (main): Pass insn_code_number to gen_insn. Call print_header
9357 only after parsing. Avoid unnecessary use of printf.
9358 * Makefile.in (build/vec.o): New rule.
9359 (build/genextract): Depend on build/vec.o.
9360 (build/genextract.o): Don't depend on insn-config.h.
9362 2006-01-22 Zack Weinberg <zackw@panix.com>
9364 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9365 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9366 practical. Eliminate per-generator-program link rules.
9368 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9371 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9372 with a call expr to ...
9373 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9375 2006-01-23 Richard Guenther <rguenther@suse.de>
9377 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9378 before make_edge with conditional EDGE_TRUE_VALUE.
9380 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9381 Jan Hubicka <jh@suse.cz>
9382 Richard Guenther <rguenther@suse.de>
9384 PR rtl-optimization/25654
9385 * cfgexpand.c (aggregate_contains_union_type): New function.
9386 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9387 for structure variables that contain a union type.
9389 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9391 * gengtype.c (new_structure): Return the structure.
9392 (create_option): Add an extra "next" argument.
9393 (create_field): New function.
9394 (adjust_field_rtx_def): Use create_option and create_field.
9395 Remove a now-unnecessary call to find_structure.
9396 (adjust_field_tree_def): Likewise.
9397 (note_yacc_type): Remove an unnecessary call to find_structure.
9398 * gengtype.h (new_structure): Return the structure.
9399 (create_option): Add an extra argument.
9400 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9401 (option): Adjust calls to create_option.
9403 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9405 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9407 2006-01-22 Paul Brook <paul@codesourcery.com>
9408 Peter Barada <peter@the-baradas.com>
9410 * config/m68k/m68k.md: Add Coldfire FPU support.
9411 Define FP mode macro and associated attributes.
9412 Use it for float mode patterns.
9413 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9414 (LIBCALL_VALUE): Use m68k_libcall_value.
9415 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9416 (m68k_function_value): Ditto.
9417 (emit_move_sequence): Ditto.
9418 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9419 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9420 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9421 (MULTILIB_EXCEPTIONS): Ditto.
9422 * config/m68k/m68k.opt: Add mcfv4e.
9423 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9424 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9425 (m68k_output_function_prologue): Save ColdFire FPU registers.
9426 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9427 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9428 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9429 ColdFire FPU registers.
9430 (m68k_libcall_value, m68k_function_value): New functions.
9431 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9432 (LIBCALL_VALUE): Use m68k_libcall_value.
9433 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9434 (MASK_COLDFIRE): Add MASK_CFV4E.
9435 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9436 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9437 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9438 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9439 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9440 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9441 * doc/invoke.tex: Document -mcfv4e on m68k.
9443 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9445 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9448 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9451 * c-opts.c (c_common_handle_option): Don't include
9452 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9453 * doc/invoke.texi (C++ Dialect Options): Document that
9454 -Wnon-virtual-dtor is no longer included in -Wall.
9456 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9458 * gcov.c (print_version), gcov-dump.c (print_version),
9459 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9462 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9464 * df-scan.c (problem_SCAN): Added NULL reset function.
9465 (df_scan_reset_blocks): Added code to call reset block function
9466 (df_bb_refs_delete) Fixed comment.
9467 (df_insn_refs_delete): Made tolerant of deleting non existent info
9468 for dataflow problems that need to be reset.
9469 * df-core.c (df_set_blocks): Ditto.
9470 * df.h (struct df_problem): Added reset_fun.
9471 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9472 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9473 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9474 functions to clear out all references to def-use or use-def chains.
9476 2006-01-21 Ben Elliston <bje@au.ibm.com>
9478 * varasm.c (assemble_real): Initialise data array.
9480 2006-01-20 Paul Brook <paul@codesourcery.com>
9482 Merge from csl-arm-branch.
9483 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9484 * config/arm/arm.md (movdi): Force operands[1] to a register
9485 if we have a non-register source.
9486 (*arm_movdi, *movdf_soft_insn): Require that one of the
9487 operands be a register.
9488 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9489 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9491 2006-01-20 DJ Delorie <dj@redhat.com>
9493 * varasm.c (initialize_constant_valid_p): Allow pointers
9494 initialized from integer constants of lesser precision.
9495 (output_constant): Allow non-int-sized pointer modes to be
9496 initialized from integer constants.
9498 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9501 * cppdefault.h (struct default_include): Add multilib flag.
9502 * cppdefault.c (cpp_include_defaults): Set it.
9503 * c.opt (-imultilib): New option.
9504 * c-opts.c (imultilib): New.
9505 (c_common_handle_option): Handle -imultilib.
9506 (c_common_post_options): Likewise.
9507 * c-incpath.c (add_standard_paths, register_include_chains):
9509 * c-incpath.h (register_include_chains): Add extra parameter.
9510 * gcc.c (do_spec_1): Generate -imultilib option.
9511 (The Specs Language): Update %I description.
9512 (process_command): Update copyright notice.
9513 * doc/cppopts.texi (-imultilib): Document.
9514 * doc/invoke.texi (-imultilib): Include in option summary.
9515 (%I): Update specs documentation.
9517 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9519 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9521 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9523 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9526 2006-01-20 Richard Guenther <rguenther@suse.de>
9527 Steven Bosscher <stevenb.gcc@gmail.com>
9529 PR rtl-optimization/24626
9530 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9531 EDGE_TRUE_VALUE if in RTL mode.
9534 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9535 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9537 2006-01-20 Dirk Mueller <dmueller@suse.com>
9540 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9541 instead of a special NOP marker.
9542 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9543 NOP marker handling.
9544 * c-common.h (empty_body_warning): Add forward declaration.
9545 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9546 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9548 2006-01-20 Paul Brook <paul@codesourcery.com>
9550 * Makefile.in (lang_checks): Keep going if mkdir fails.
9552 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9554 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9555 be able to clean out basic block when not necessary.
9556 (df_scan_free): Fixed to properly delete information if df is
9557 unused before calling df_finish.
9558 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9559 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9561 (df_bb_refs_delete): New function.
9562 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9563 * df-core.c (df_set_blocks): Added code to properly clean out
9564 unused blocks if they are not part of the blocks to consider.
9565 Added additional null check.
9566 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9567 be able to clean out basic block when not necessary
9568 * df.h (df_free_bb_function): Ditto.
9569 (df_bb_refs_delete): New function.
9570 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9571 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9572 basic block parameter to be able to clean out basic block when not
9574 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9575 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9576 Fixed to properly delete information if df is unused before
9579 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9581 PR rtl-optimization/25799
9582 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9583 Corrected confluence operator to remove bits from op2 before oring
9584 with op1 rather than removing bits from op1.
9585 (df_ru_transfer_function): Corrected test on wrong bitmap which
9586 caused infinite loop. Both of these problems were introduced in
9587 the dataflow rewrite.
9589 2006-01-19 DJ Delorie <dj@redhat.com>
9591 * reload1.c (find_reload_regs): Note the details of reload
9592 failures in the dump file.
9593 (spill_failure): Likewise.
9595 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9597 * loop-iv.c: Include df.h and hashtab.h.
9598 (enum iv_grd_result): New enum.
9599 (DF_REF_IV, DF_REF_IV_SET): New macros.
9600 (struct biv_entry): New.
9601 (df, bivs): New global variables.
9602 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9603 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9605 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9606 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9607 analyzed_for_bivness_p, record_biv): New functions.
9608 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9609 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9610 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9612 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9614 (iv_number_of_iterations): Use new interface to iv analysis.
9615 * loop-unroll.c: Do not include varray.h.
9616 (analyze_iv_to_split_insn): Use new interface to iv
9618 * loop-unswitch.c (may_unswitch_on): Ditto.
9619 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9621 (df_bb_modify): Realloc tables to the new index.
9622 (df_find_use): New function.
9623 * df.h (df_find_use): Declare.
9624 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9626 * cfgloop.h (struct rtx_iv): Remove analysed field.
9627 (iv_get_reaching_def): Removed.
9628 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9629 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9630 (loop-iv.o): Add df.h and hashtab.h dependency.
9631 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9633 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9636 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9638 (__floatundisf, __floatundidf): Likewise.
9639 * libgcc2.h (IS_IBM_EXTENDED): Define.
9641 2006-01-19 DJ Delorie <dj@redhat.com>
9643 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9645 2006-01-19 Paul Brook <paul@codesourcery.com>
9647 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9648 as nothrow when unwinding tables are disabled.
9650 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9653 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9654 of bit-field" when in system header.
9656 2006-01-19 DJ Delorie <dj@redhat.com>
9658 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9659 the 16 bit shift limit of the m16c.
9661 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9664 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9665 * config/i386/i386.c (output_set_got): Output the label if we have one
9666 for the TARGET_DEEP_BRANCH_PREDICTION case.
9668 2006-01-19 Jan Hubicka <jh@suse.cz>
9669 H.J. Lu <hongjiu.lu@intel.com>
9670 Evandro Menezes <evandro.menezes@amd.com>
9672 * invoke.texi (generic): Document
9674 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9675 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9676 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9677 (x86_use_incdec, x86_pad_returns): New variables
9678 (TARGET_CPU_DEFAULT_generic): New constant
9679 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9680 (enum processor_type): Add generic32 and generic64.
9681 * i386.md (cpu attribute): Add generic32/generic64
9682 (movhi splitter): Behave sanely when both partial_reg_dependency and
9683 partial_reg_stall are set.
9684 (K8 splitters): Enable for generic as well.
9685 * predicates.md (incdec_operand): Use TARGET_INCDEC
9686 (aligned_operand): Avoid memory mismatch stalls.
9687 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9688 * ppro.md: Enable for generic32
9689 * i386.c (generic64_cost, generic32_cost): New.
9690 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9691 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9692 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9693 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9694 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9695 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9696 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9697 x86_accumulate_outgoing_args, x86_prologue_using_move,
9698 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9699 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9701 (x86_use_incdec, x86_pad_returns): New.
9702 (override_options): Add generic32 and generic64, translate "generic"
9703 to generic32/generic64 and "i686" to "generic32", refuse
9704 "generic32"/"generic64" as arch target.
9705 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9706 (ix86_reorg): Honor PAD_RETURNS.
9708 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9710 * tree-pretty-print.c (dump_generic_node): Handle
9711 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9712 * cgraph.c (cgraph_expand_queue): Rename from
9713 cgraph_analyze_queue. Update all users.
9714 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9715 cgraph_expand_queue.
9716 (cgraph_expand_all_functions): Likewise.
9717 (cgraph_finalize_pending_functions): Remove. Update callers.
9719 * tree.h (OMP_DIRECTIVE_P): Define.
9720 (OMP_PARALLEL_FN): Define.
9721 (OMP_PARALLEL_DATA_ARG): Define.
9722 (OMP_SECTIONS_SECTIONS): Define.
9723 * tree-pass.h (pass_expand_omp): Declare.
9724 * omp-low.c (struct omp_region): Declare.
9725 (struct omp_context): Remove fields 'parallel_type',
9726 'parallel_start_ix' and 'parallel_start_additional_args'.
9728 (struct omp_for_data): Rename from struct expand_omp_for_data.
9729 (omp_regions): New static variable.
9730 (root_omp_region): New static variable.
9731 (find_omp_clause): Make static.
9732 (is_in_combined_parallel_ctx): Remove.
9733 (is_combined_parallel): New.
9734 (extract_omp_for_data): Move earlier in the file.
9735 (workshare_safe_to_combine_p): New.
9736 (get_ws_args_for): New.
9737 (determine_parallel_type): Move earlier in the file.
9738 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9740 (omp_copy_decl): Likewise.
9741 (create_omp_child_function): Likewise.
9742 (lookup_omp_region): New.
9743 (dump_omp_region): New.
9744 (debug_omp_region): New.
9745 (debug_all_omp_regions): New.
9746 (new_omp_region): New.
9747 (scan_omp_parallel): If parallel_nesting_level > 1, the
9748 directive is nested within another parallel directive.
9749 Set OMP_PARALLEL_FN.
9750 (scan_omp_for): Do not try to handle combined parallel+for
9752 Remove FIXME comment.
9753 (scan_omp_nested): Remove.
9754 (scan_omp_1): Do not call scan_omp_nested when
9755 parallel_nesting_level is > 1.
9756 Do not change the DECL_CONTEXT of local variables found.
9757 (lookup_decl_in_outer_ctx): New.
9758 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9759 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9760 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9761 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9762 If CTX is nested, lookup VAR in the outer context when
9763 building copy assignment.
9764 (lower_send_clauses): Rename from expand_send_clauses.
9765 If CTX is nested, lookup VAR in the outer context when
9766 building copy assignments.
9767 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9768 If CTX is nested, lookup VAR in the outer context when
9769 building copy assignments.
9770 (expand_parallel_call): Rename from build_parallel_call.
9771 Handle combined parallel+workshare cases.
9772 Re-implement to emit code into the CFG.
9774 (expand_omp_parallel): Re-implement to emit code into the CFG.
9775 Call move_sese_region_to_fn to outline the sub-graph
9776 containing the parallel region.
9777 (expand_omp_for_1): Remove.
9778 (expand_omp_for_generic): Re-implement to emit code into the
9780 (expand_omp_for_static_nochunk): Likewise.
9781 (expand_omp_for_static_chunk): Likewise.
9782 (expand_omp_for): Likewise.
9783 (expand_omp_sections): Likewise.
9784 (remove_exit_barriers): New.
9785 (expand_omp_synch): New.
9787 (build_omp_regions_1): New.
9788 (build_omp_regions): New.
9789 (execute_expand_omp): New.
9790 (gate_expand_omp): New.
9791 (pass_expand_omp): Define.
9792 (lower_omp_sections): Rename from expand_omp_sections.
9793 Set OMP_SECTIONS_SECTIONS.
9794 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9795 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9796 (lower_omp_single): Rename from expand_omp_simple.
9797 (lower_omp_master): Rename from expand_omp_master.
9798 (lower_omp_ordered): Rename from expand_omp_ordered.
9799 (lower_omp_critical): Rename from expand_omp_critical.
9800 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9801 (lower_omp_for): Re-implement.
9802 (lower_omp_parallel): Re-implement.
9803 (lower_regimplify): Rename from expand_regimplify.
9804 (lower_omp_1): Rename from expand_omp_1.
9805 If there are syntax errors in the program, replace every
9806 OpenMP directive with NOP.
9807 Call lower_omp_* instead of expand_omp_*.
9808 (lower_omp): Rename from expand_omp.
9810 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9811 * tree-gimple.h (enum omp_parallel_type): Remove.
9812 (gimple_boolify): Declare extern.
9813 (find_omp_clause, determine_parallel_type): Remove.
9815 * gimple-low.c (lower_omp_directive): New.
9816 (lower_stmt): Call it.
9817 (record_vars_into): Move from ...
9818 (record_vars): ... here.
9819 Call record_vars_into with current_function_decl.
9821 * gimplify.c (struct gimplify_ctx): Remove fields
9822 combined_pre_p and combined_ctxp. Update users.
9823 (get_formal_tmp_var): Add documentation.
9824 (gimple_boolify): Make extern.
9825 (gimplify_expr_in_ctx): Remove. Update callers.
9826 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9827 will always be a BIND_EXPR.
9828 (gimplify_expr): Handle OMP_RETURN_EXPR.
9829 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9830 (OMP_PARALLEL): Add 3 operands.
9831 (OMP_SECTIONS): Add 1 operand.
9832 (OMP_RETURN_EXPR): Define.
9834 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9835 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9836 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9837 creating a circular free list.
9838 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9840 * tree-flow.h (move_sese_region_to_fn): Declare.
9841 (record_vars_into): Declare.
9842 * tree-cfg.c (make_omp_sections_edges): New.
9843 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9844 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9845 OMP_SECTIONS and OMP_SECTION.
9846 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9847 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9848 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9849 (gather_blocks_in_sese_region): New.
9850 (struct move_stmt_d): Declare.
9852 (move_block_to_fn): New.
9853 (move_sese_region_to_fn): New.
9855 * passes.c (init_optimization_passes): Schedule
9856 pass_expand_omp after pass_init_datastructures.
9858 * tree-ssa-operands.c (get_expr_operands): Handle
9859 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9860 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9862 2006-01-19 Jeff Law <law@redhat.com>
9864 * tree-vrp.c (extract_range_from_assert): Refine the result range
9865 if the variable referenced by the ASSERT_EXPR has a range and
9866 either the tentative result range or the previous range is a
9869 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9871 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9873 2006-01-19 Jan Hubicka <jh@suse.cz>
9875 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9877 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9879 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9880 (expand_compound_operation, expand_field_assignment): Fail if the
9881 bit lengths of an extract operation are out of range.
9882 (make_extraction): Compute wanted_inner_mode based on the position
9883 and length of the extraction. Make it extraction_mode for non-constant
9884 positions, and do not modify offset in that case. When generating a
9885 new MEM, use a mode that can hold the extraction while keeping correct
9886 alignment. Remove code that supported MEMs wrapped by USEs.
9887 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9889 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9891 * config/s390/s390.md ("Y", "y"): New mode attribute.
9892 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9893 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9894 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9895 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9896 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9897 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9898 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9899 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9900 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9901 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9902 "addsi3", "subsi3"): Insn patterns removed.
9903 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9904 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9905 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9906 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9907 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9908 "*sub<mode>3_cconly2"): New insn patterns.
9909 ("addsi3", "subsi3"): New expanders.
9911 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9913 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9914 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9915 existing STMT_VINFO_VECTYPE if available.
9916 (vect_mark_relevant): Add special handling for stmts that are
9917 marked as STMT_VINFO_IN_PATTERN_P.
9918 (vect_analyze_loop): Call vect_pattern_recog.
9919 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9920 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9922 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9923 (vect_recog_func_ptr): New function-pointer type.
9924 * tree-vect-patterns.c: New file.
9925 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9926 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9927 (vect_pattern_recog_1): New functions.
9928 (vect_pattern_recog_funcs): New array of function pointers.
9930 * tree-vectorizer.h (ternary_op): New enum value.
9931 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9932 declaration. Revised documentation. Removed redundant dump prints.
9933 Removed redundant argument. Added support for reduction patterns.
9934 (vectorizable_reduction): Added support for reduction patterns.
9935 (vect_transform_stmt): Added support for patterns.
9937 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9938 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9939 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9940 (expand_widen_pattern_expr): New function.
9941 (init_optabs): Initialize new optabs udot_prod_optab,
9943 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9944 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9945 (expand_widen_pattern_expr): New function declaration.
9946 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9948 * tree-inline.c (estimate_num_insns_1): Added cases for new
9949 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9950 * tree-pretty-print.c (dump_generic_node): Likewise.
9951 (op_prio): Likewise.
9952 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9953 * tree-ssa-operands.c (get_expr_operands): Added case for
9955 * tree-vect-patterns.c (widened_name_p): New function.
9956 (vect_recog_dot_prod_pattern): Added function implementation.
9957 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9958 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9959 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9960 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9962 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9963 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9964 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9965 (init_optabs): Initialize new optabs widen_ssum_optab,
9967 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9968 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9969 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9970 use instead of type of def.
9971 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9972 function implementation.
9973 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9974 widen_ssumv8hi): New.
9976 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9979 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9982 * c-decl.c (add_flexible_array_elts_to_size): New function.
9983 (finish_decl): Use it.
9985 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9987 * diagnostic.h: Include options.h.
9988 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9989 dependancies for diagnostic.h.
9990 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9992 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9994 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9995 (ssa_ro_call_cache_valid): Ditto.
9996 * tree-ssa-alias.c (sort_tags_by_id): New function.
9997 (init_transitive_clobber_worklist): Ditto.
9998 (add_to_worklist): Ditto.
9999 (mark_aliases_call_clobbered): Ditto.
10000 (compute_tag_properties): Ditto.
10001 (set_initial_properties): Ditto.
10002 (compute_call_clobbered): Ditto.
10003 (compute_may_aliases): Call compute_call_clobbered and grouping.
10004 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10005 (compute_flow_insensitive_aliasing): Grouping now happens in our
10007 (setup_pointers_and_addressables): Remove clobbering related code.
10008 (add_may_alias): Ditto.
10009 (replace_may_alias): Ditto.
10010 (get_nmt_for): Ditto.
10011 (create_global_var):
10012 (is_escape_site): Return an escape_type enumeration.
10013 * tree-flow-inline.h (is_call_clobbered): Global var does not
10014 imply call clobbered.
10015 (mark_call_clobbered): Take a reason for marking this. Remove
10016 marking of globalness, and cache invalidation.
10017 (clear_call_clobbered): Remove cache invalidation code.
10018 * tree-dfa.c (dump_variable): If details is on, dump the reason
10020 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10022 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10023 (struct var_ann_d): Ditto.
10024 (enum escape_type): New.
10025 (mark_call_clobbered): Adjust prototype.
10026 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10027 are never call clobbered.
10028 Record reasons for escaping.
10029 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10030 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10031 (ssa_ro_call_cache_valid): Ditto.
10032 (clobbered_v_may_defs): Ditto.
10033 (clobbered_vuses): Ditto.
10034 (ro_call_vuses): Ditto.
10035 (clobber_stats): New.
10036 (init_ssa_operands): Zero out clobber stats.
10037 (fini_ssa_operands): Print out clobber stats.
10038 (get_call_expr_operands): Pass callee fndecl to
10039 add_call_read_ops).
10040 (add_call_clobber_ops): Remove use of cache.
10041 Add use of PURE_CONST information.
10042 (add_call_read_ops): Remove use of cache.
10043 Add use of static not_read information.
10045 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10047 Introduce TLS descriptors for i386 and x86_64.
10048 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10049 (TARGET_ANY_GNU_TLS): New macro.
10050 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10051 (struct machine_function): Add tls_descriptor_call_expanded_p.
10052 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10053 (ix86_current_function_calls_tls_descriptor): Likewise.
10054 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10055 (override_options): Introduce gnu2 tls dialect.
10056 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10058 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10060 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10061 (ix86_init_machine_status): Initialize new field.
10062 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10063 (ix86_tls_module_base): New.
10064 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10065 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10066 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10067 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10068 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10069 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10070 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10071 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10072 * config/i386/predicates.md (tls_modbase_operand): New.
10073 (tp_or_register_operand): New.
10075 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10077 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10078 (look_for_address_of): Ditto.
10079 (ipa_init): Walk the function decls.
10080 (static_execute): Don't set readonly on FUNCTION_DECL's.
10082 2006-01-18 Roger Sayle <roger@eyesopen.com>
10084 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10085 for shifts where the source and destination registers are different.
10087 2006-01-18 Paul Brook <paul@codesourcery.com>
10089 Merge from csl-arm-branch.
10090 2005-03-14 Julian Brown <julian@codesourcery.com>
10091 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10092 (aeabi_llsl): Likewise.
10093 (ashrdi3): Likewise.
10094 (aeabi_lasr): Likewise.
10095 (lshrdi3): Likewise.
10096 (aeabi_llsr): Likewise.
10097 2005-03-10 Julian Brown <julian@codesourcery.com>
10098 * config.gcc: Disable shared libgcc for SymbianOS.
10099 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10101 2006-01-18 DJ Delorie <dj@redhat.com>
10103 * c-pragma.c (handle_pragma_diagnostic): New.
10104 (init_pragma): Register it.
10105 * doc/extend.texi: Document it.
10107 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10108 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10109 (diagnostic_context): Add classify_diagnostic[].
10110 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10111 as errors if they're overridden to DK_WARNING.
10112 (diagnostic_initialize): Initialize classify_diagnostic[].
10113 (diagnostic_set_kind_override): New.
10114 (diagnostic_report_diagnostic): Check for kind changes.
10115 * opts.c (common_handle_option): Take lang_mask. Update callers.
10116 Handle OPT_Werror_.
10117 * common.opt (Werror=): New.
10118 * doc/invoke.texi: Document -Werror=*
10120 2006-01-18 Jeff Law <law@redhat.com>
10122 * tree-vrp.c (test_for_singularity): Correct test for new
10123 min limit. Use operand_equal_p rather than pointer equality
10124 for testing if new min/max values are equal.
10126 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10127 using range information until after propagation and folding.
10129 2006-01-18 Richard Henderson <rth@redhat.com>
10130 Aldy Hernandez <aldyh@redhat.com>
10131 Jakub Jelinek <jakub@redhat.com>
10132 Diego Novillo <dnovillo@redhat.com>
10134 * omp-low.c: New file.
10135 * c-omp.c: New file.
10137 2006-01-18 Richard Henderson <rth@redhat.com>
10138 Jakub Jelinek <jakub@redhat.com>
10139 Diego Novillo <dnovillo@redhat.com>
10141 * doc/invoke.texi: Document -fopenmp.
10142 * tree-dump.h (debug_function): Declare.
10143 * hooks.c (hook_bool_tree_bool_false): New function.
10144 (hook_tree_tree_null): Remove.
10145 (hook_tree_tree_tree_null): New.
10146 * hooks.h: Update to match.
10147 * tree-pretty-print.c (debug_tree_chain): New.
10148 (print_generic_expr): Handle TDF_CHAIN.
10149 (dump_generic_node): Handle BLOCK.
10150 Do not abort with incomplete SWITCH_EXPRs.
10151 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10152 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10153 print space after directive name.
10154 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10155 Handle OMP_MASTER and OMP_ORDERED.
10156 Handle printing of OMP_BODY just in one place, goto
10157 dump_omp_body in the rest of OMP_* nodes that have
10159 Don't handle clause nodes here. Update omp statements to
10160 use dump_omp_clauses.
10161 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10162 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10163 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10164 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10165 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10166 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10167 Adjust output for GOMP_PARALLEL.
10168 (dump_omp_clauses): New.
10169 (print_declaration): Dump DECL_VALUE_EXPR.
10170 (op_symbol_1): Split out of op_symbol.
10171 (dumping_stmts): Remove. Update all users.
10172 * cgraph.c (cgraph_analyze_queue): New.
10173 (cgraph_add_new_function): New.
10174 * cgraph.h (cgraph_analyze_queue): Declare.
10175 (cgraph_add_new_function): Declare.
10176 (cgraph_lower_function): Remove.
10177 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10178 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10179 and TYPE_P nodes in its default clause.
10180 (empty_body_p): New.
10181 (tree_range_check_failed): New.
10182 (build5_stat): New.
10183 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10184 OMP_CLAUSE_REDUCTION_MERGE,
10185 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10186 OMP_CLAUSE_PRIVATE_DEBUG,
10187 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10188 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10189 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10190 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10191 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10192 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10193 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10194 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10195 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10196 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10197 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10198 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10199 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10200 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10201 (TREE_RANGE_CHECK): New.
10202 (empty_body_p): Declare.
10203 (enum omp_clause_default_kind): New.
10204 (build_string_literal): Declare.
10205 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10206 (build5_stat, build5): Declare.
10207 * tree-pass.h (TDF_CHAIN): Define.
10208 * tree-pass.h (PROP_gimple_lomp): Define.
10209 (pass_lower_omp): Declare.
10210 * diagnostic.h (debug_tree_chain): Declare.
10211 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10213 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10214 * builtins.c (build_string_literal): Make extern.
10215 * gcc.c (include_spec_function): New.
10216 (static_spec_functions): Add it.
10217 (main): Move load of libgomp.spec ...
10218 (LINK_COMMAND_SPEC): ... here.
10219 (link_gomp_spec): New.
10220 (static_specs): Include it.
10221 (LINK_COMMAND_SPEC): Add link_gomp.
10222 (GOMP_SELF_SPECS): New.
10223 (driver_self_specs): Include it.
10224 (switch_matches): Don't mark inline.
10225 (main): Load libgomp.spec.
10226 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10227 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10228 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10229 * tree-gimple.h (enum omp_parallel): Declare.
10230 (determine_parallel_type): Declare.
10231 (omp_firstprivatize_variable): Declare.
10232 (omp_reduction_init): Declare.
10233 (diagnose_omp_structured_block_errors): Declare.
10234 (struct walk_stmt_info): Add want_return_expr.
10235 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10236 (find_omp_clause): Declare.
10237 (insert_field_into_struct): Declare.
10238 (struct walk_stmt_info): Move from tree-nested.c
10239 (walk_stmts): Declare.
10240 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10242 * cgraphunit.c (cgraph_lower_function): Make static.
10243 (cgraph_finalize_pending_functions): New.
10244 (cgraph_finalize_function): Call it.
10245 (cgraph_finalize_compilation_unit): Likewise.
10246 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10247 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10248 (BT_FN_UINT_UINT): New.
10249 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10250 DEF_FUNCTION_TYPE_VAR_4): Document.
10251 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10252 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10253 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10254 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10255 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10256 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10257 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10258 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10259 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10260 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10261 into separate files.
10262 (DEF_GOMP_BUILTIN): New.
10263 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10264 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10265 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10266 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10267 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10268 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10269 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10270 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10271 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10272 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10273 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10274 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10275 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10276 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10277 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10278 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10279 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10280 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10281 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10282 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10283 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10284 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10285 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10286 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10287 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10288 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10289 * sync-builtins.def: New file, moved from builtins.def.
10290 * omp-builtins.def: New file, moved from builtins.def.
10291 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10292 * gimple-low.c (lower_function_body): Clear data.
10293 (lower_stmt): Do not handle COMPOUND_EXPR.
10294 Remove call to print_node_brief.
10295 * c-tree.h (c_finish_omp_clauses): New prototype.
10296 (C_DECL_THREADPRIVATE_P): Define.
10297 (lookup_name_no_remap, c_omp_remap_private): Remove
10298 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10299 (check_for_loop_decls): Update decl.
10300 (lookup_name_no_remap, c_omp_remap_private): Declare.
10301 (build_indirect_ref, build_modify_expr, pushdecl,
10302 pushdecl_top_level): Move to c-common.h.
10303 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10304 before the switch, but just in the 2 places that need it.
10305 * c-decl.c (diagnose_mismatched_decls): Do not check for
10306 mismatched thread-local attributes when OLDDECL is marked
10307 threadprivate and NEWDECL has no thread-local attributes.
10308 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10309 (c_gimple_diagnostics_recursively): Rename from
10310 c_warn_unused_result_recursively. Invoke
10311 diagnose_omp_structured_block_errors.
10312 (check_for_loop_decls): Return a singular decl found.
10313 * langhooks.c (lhd_omp_predetermined_sharing): Return
10314 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10315 (lhd_omp_firstprivatize_type_sizes): New.
10316 (lhd_omp_assignment): New.
10317 (lhd_omp_predetermined_sharing): New.
10318 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10319 (struct lang_hooks_for_types): Add
10320 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10321 omp_predetermined_sharing, omp_disregard_value_expr,
10322 omp_private_debug_clause, omp_clause_default_ctor,
10323 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10324 (c_finish_omp_clauses): New.
10325 (c_finish_bc_stmt): Diagnose break within omp for.
10326 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10327 (build_unary_op): Return error_mark after reporting
10329 (build_modify_expr): Likewise.
10330 * gimplify.c: Include optabs.h and pointer-set.h.
10331 (enum gimplify_omp_var_data): Declare.
10332 (struct gimplify_omp_ctx): Declare.
10333 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10335 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10336 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10337 (splay_tree_compare_decl_uid): New.
10338 (new_omp_context): New.
10339 (delete_omp_context): New.
10340 (gimple_add_tmp_var): Call omp_add_variable.
10341 (gimplify_bind_expr): Likewise.
10342 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10343 true, disregard DECL_VALUE_EXPR on the decl if any.
10344 (gimplify_expr_in_ctx): New.
10345 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10346 omp_add_variable, omp_notice_variable, omp_is_private
10347 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10348 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10349 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10350 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10351 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10352 gimplify_omp_atomic): New.
10353 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10354 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10355 OMP_CRITICAL and OMP_ATOMIC.
10356 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10357 * c-pragma.h (enum pragma_kind): Add
10358 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10359 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10360 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10361 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10362 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10363 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10364 PRAGMA_OMP_THREADPRIVATE.
10365 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10366 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10367 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10368 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10369 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10370 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10371 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10372 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10373 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10374 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10375 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10376 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10377 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10379 (struct nesting_info): Add field_map,
10380 suppress_expansion, debug_var_chain.
10381 (create_nesting_tree): Initialize them.
10382 (lookup_field_for_decl): Use field_map.
10383 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10384 (convert_local_omp_clauses): New.
10385 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10386 (walk_body): Split out of walk_function.
10387 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10388 (convert_nonlocal_reference): Handle omp statements.
10389 (convert_local_reference): Likewise.
10390 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10391 (unnest_nesting_tree): New.
10392 (lower_nested_functions): Call it.
10393 (insert_field_into_struct): Make extern.
10394 (struct walk_stmt_info): Move to tree-gimple.h.
10395 (walk_stmts): Make extern.
10396 * omp-builtins.def: New file.
10397 * tree-iterator.c (expr_only): Clarify comment.
10398 * c-common.h (pushdecl_top_level, pushdecl,
10399 build_modify_expr, build_indirect_ref,
10400 c_finish_omp_master, c_finish_omp_critical,
10401 c_finish_omp_ordered, c_finish_omp_barrier,
10402 c_finish_omp_atomic, c_finish_omp_flush,
10403 c_finish_omp_for, c_split_parallel_clauses,
10404 omp_clause_default_kind, c_omp_sharing_predetermined,
10405 c_omp_remap_decl): Declare.
10406 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10407 (OBJS-common): Add omp-low.o.
10408 (c-omp.o, omp-low.o): Add.
10409 (gimplify.o): Add dependency on $(OPTABS_H).
10410 (GTFILES): Add omp-low.c.
10411 (gt-stringpool.h): Add.
10412 * tree-cfg.c (set_bb_for_stmt): Do not update the
10413 block-to-labels map if we are currently expanding to RTL.
10414 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10416 Handle IDENTIFIER_NODE.
10417 (tree_verify_flow_info): Do not ICE when emitting error
10418 messages about invalid labels.
10419 (dump_function_to_file): Reset CFUN before emitting the body
10421 (debug_function): New.
10422 * passes.c (init_optimization_passes): Schedule
10424 * langhooks-def.h (lhd_omp_predetermined_sharing,
10425 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10427 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10428 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10429 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10430 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10431 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10432 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10433 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10434 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10435 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10436 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10437 (LANG_HOOK_DECLS): Use them.
10439 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10440 Richard Henderson <rth@redhat.com>
10441 Jakub Jelinek <jakub@redhat.com>
10442 Diego Novillo <dnovillo@redhat.com>
10444 * c-parser.c (pragma_omp_clause): Define.
10445 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10446 (c_parser_compound_statement): Likewise.
10447 (c_parser_statement): Likewise.
10448 (c_parser_pragma): Handle omp pragmas.
10449 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10450 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10451 (c_parser_omp_clause_name, check_no_duplicate_clause,
10452 c_parser_omp_variable_list,
10453 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10454 c_parser_omp_clause_copyprivate,
10455 c_parser_omp_clause_default,
10456 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10457 c_parser_omp_clause_lastprivate,
10458 c_parser_omp_clause_nowait,
10459 c_parser_omp_clause_num_threads,
10460 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10461 c_parser_omp_clause_reduction,
10462 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10463 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10464 c_parser_omp_atomic, c_parser_omp_barrier,
10465 c_parser_omp_critical, c_parser_omp_flush,
10466 c_parser_omp_for_loop, c_parser_omp_for,
10467 c_parser_omp_master, c_parser_omp_ordered,
10468 c_parser_omp_sections_scope, c_parser_omp_sections,
10469 c_parser_omp_parallel, c_parser_omp_single,
10470 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10471 * c-pragma.c (init_pragma): Do omp pragma registration here.
10472 * c.opt (fopenmp): New flag.
10474 2006-01-18 Eric Christopher <echristo@apple.com>
10476 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10477 * config/darwin.h (GOMP_SELF_SPECS): Define.
10479 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10481 * rtl.h: Remove the prototype for reg_alloc.
10483 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10486 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10487 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10488 sjlj and dwarf2 exception handling.
10489 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10490 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10491 * pa/pa.c (function_value): Treat complex and vector types as
10493 (function_arg): Likewise. Only pass scalar floats in the floating
10494 point argument registers.
10495 * pa/t-slibgcc-dwarf-ver: New file.
10496 * pa/t-slibgcc-sjlj-ver: New file.
10497 * pa/t-slibgcc-elf-ver: Delete file.
10499 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10501 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10502 unlikely_test_section_p test.
10504 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10506 * mode-switching.c (optimize_mode_switching): Make it static.
10507 * basic-block.h: Remove the prototype for
10508 optimize_mode_switching.
10510 * modulo-sched.c (sms_schedule): Make it static.
10511 * rtl.h: Remove the prototype for sms_schedule.
10513 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10514 * rtl.h: Remove the prototype for gcse_after_reload_main.
10516 * reg-stack.c (reg_to_stack): Make it static.
10517 * rtl.h: Remove the prototype for reg_to_stack.
10519 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10521 * rtl.h: Remove the prototypes for regrename_optimize and
10522 copyprop_hardreg_forward.
10524 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10526 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10527 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10528 Test against the appropriate null constant for the mode.
10529 If 'fixup_overlap' is true, swap the operands if they overlap.
10530 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10531 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10532 alpha_split_tmode_pair and adjust for above change.
10533 * config/alpha/alpha.md (movtf_internal): Adjust call to
10534 alpha_split_tfmode_pair and rely on it to swap the operands.
10535 (movti_internal): New insn and post-reload splitter.
10536 (movti): New expander.
10538 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10540 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10543 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10545 * rtlanal.c (global_reg_mentioned_p_1,
10546 global_reg_mentioned_p): Remove.
10547 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10549 * flow.c (initialize_uninitialized_subregs): Make it static.
10550 * rtl.h: Remove the prototype for
10551 initialize_uninitialized_subregs.
10553 * function.c (instantiate_virtual_regs): Make it static.
10554 * function.h: Remove the prototype for
10555 instantiate_virtual_regs.
10557 * regmove.c (regmove_optimize, combine_stack_adjustments):
10559 * rtl.h: Remove the prototypes for regmove_optimize and
10560 combine_stack_adjustments.
10562 2006-01-17 Roger Sayle <roger@eyesopen.com>
10564 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10565 (size_cost): Encode costs in bytes so that a reg-reg addition is
10566 equivalent to COSTS_N_INSNS(1).
10567 (override_options): Use the size_cost.branch_cost as the default
10568 ix86_branch_cost when optimizing for size.
10570 2006-01-18 Ben Elliston <bje@au.ibm.com>
10572 * Makefile.in (D32PBIT_FUNCS): New.
10573 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10574 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10575 D64PBIT_FUNCS and D128PBIT_FUNCS.
10576 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10577 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10579 (decnumber_dep): Define.
10580 * doc/libgcc.texi (Decimal float library routines): New node.
10581 * config/dfp-bit.h, config/dfp-bit.c: New files.
10583 2006-01-18 Ben Elliston <bje@au.ibm.com>
10585 * expr.c (emit_move_change_mode): Always adjust addresses, not
10586 just during reload. Copy replacements only during reload.
10587 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10588 emit_move_via_integer.
10590 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10592 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10593 instead of $(srcdir) and ${srcdir}.
10595 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10598 PR middle-end/11135
10599 * arm.h (struct machine_function): Add pic_reg.
10600 * arm.c (arm_pic_register): Make unsigned.
10601 (arm_override_options): Only set arm_pic_register if
10602 TARGET_SINGLE_PIC_BASE.
10603 (use_return_insn): Only test for a pic register if it is fixed.
10604 (arm_compute_save_reg0_reg12_mask): Likewise.
10605 (thumb_compute_save_reg_mask): Likewise.
10606 (legitimate_pic_operand): Factor out some known invariants.
10607 (legitimize_pic_address): If we don't have a fixed pic register,
10608 then set up a pseudo in the function entry sequence. Handle the
10609 pic base being in a pseudo.
10610 (arm_load_pic_register): Handle the pic register being in a pseudo.
10611 (arm_expand_prologue): Only set up the pic register if it is fixed.
10612 (thumb_expand_prologue): Likewise.
10613 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10614 (pic_load_addr_based_insn): Likewise.
10615 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10618 2006-01-18 Ben Elliston <bje@au.ibm.com>
10620 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10621 decimal float modes for all floating point registers.
10623 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10624 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10626 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10629 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10630 even when the pointer is not NULL.
10632 2006-01-16 Ian Lance Taylor <ian@airs.com>
10634 * common.opt (ftoplevel-reorder): New option.
10635 * cgraph.c (cgraph_asm_nodes): New global variable.
10636 (cgraph_asm_last_node): New static variable.
10637 (cgraph_order): New global variable.
10638 (cgraph_create_node): Set new order field.
10639 (cgraph_varpool_node): Likewise.
10640 (decide_is_variable_needed): Return true if not
10641 flag_toplevel_reorder.
10642 (cgraph_add_asm_node): New function.
10643 * cgraph.h (struct cgraph_node): Add order field.
10644 (struct cgraph_varpool_node): Add order field.
10645 (struct cgraph_asm_node): Define.
10646 (cgraph_asm_nodes, cgraph_order): Declare.
10647 (cgraph_add_asm_node): Declare.
10648 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10650 (cgraph_varpool_assemble_pending_decls): Call it.
10651 (cgraph_output_pending_asms): New static function.
10652 (cgraph_finalize_compilation_unit): Call it.
10653 (struct cgraph_order_sort): Define.
10654 (cgraph_output_in_order): New static function.
10655 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10656 !flag_toplevel_reorder case.
10657 * c-parser.c: Include "cgraph.h".
10658 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10660 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10661 than -fno-unit-at-a-time.
10662 * doc/invoke.texi (Option Summary): Mention
10663 -fno-toplevel-reorder.
10664 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10665 -funit-at-a-time documentation.
10667 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10668 Kazu Hirata <kazu@codesourcery.com>
10670 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10672 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10674 * Makefile.in (FUNCTION_H): New. Use it instead of
10675 function.h throughout the file.
10676 * function.h: Include tree.h.
10678 2006-01-17 Ben Elliston <bje@au.ibm.com>
10680 * recog.c: Separate some functions with whitespace.
10682 2006-01-16 Richard Henderson <rth@redhat.com>
10684 Merge from gomp branch:
10685 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10686 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10687 and rename from struct inline_data. Rename callee* to dst*;
10688 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10689 transform_new_cfg, transform_return_to_modify, and
10690 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10692 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10693 (copy_decl_for_dup): Remove.
10694 * tree-inline.c (struct inline_data): Move to header.
10695 (insert_decl_map): Export.
10696 (remap_decl): Update for member name changes. Use copy_decl hook.
10697 Allow for replacement to be a non-decl. Remove dead code.
10698 (remap_type_1): Check for existing mapping.
10699 (remap_type): Export.
10700 (remap_decls): Update for member name changes.
10701 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10702 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10703 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10704 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10705 (tree_function_versioning, build_duplicate_type): Likewise.
10706 (copy_body_r): Likewise. Export.
10707 (copy_decl_for_dup): Split into ...
10708 (copy_decl_for_dup_finish, copy_decl_to_var,
10709 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10710 (replace_ref_tree, inlining_p): Remove.
10712 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10714 * ifcvt.c (if_convert): Make it static.
10715 * rtl.h: Remove the prototype for if_convert.
10717 * local-alloc.c (local_alloc): Make it static.
10718 * rtl.h: Remove the prototype for local_alloc.
10720 * loop.c (loop_optimize): Make it static.
10721 * cfgloop.h: Remove the prototype for loop_optimize.
10724 2006-01-16 DJ Delorie <dj@redhat.com>
10726 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10729 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10731 * pa.md: Disparage copies between general and floating-point registers
10732 in 32-bit move patterns.
10734 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10737 * Makefile.in (check-%): Depend on site.exp instead of
10738 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10741 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10743 * global.c (global_alloc): Make it static.
10744 * rtl.h: Remove the prototype for global_alloc.
10746 2006-01-16 Richard Guenther <rguenther@suse.de>
10748 * tree-ssa-alias.c (struct used_part): Add write_only field.
10749 (get_or_create_used_part_for): Initialize it to true.
10750 (create_overlap_variables_for): Don't create structure variables
10751 for structures that only are written to.
10752 (find_used_portions): Handle MODIFY_EXPR to track whether a
10753 structure is only written to.
10755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10757 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10759 * basic-block.h: Remove the prototype for
10760 partition_hot_cold_basic_blocks.
10762 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10764 * cppspec.c (lang_specific_spec_functions): Remove.
10765 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10766 * gcc.h (lang_specific_spec_functions): Remove.
10767 * gccspec.c (lang_specific_spec_functions): Remove.
10769 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10771 * combine.c (record_value_for_reg): Invalidate registers
10773 (record_dead_and_set_regs_1): Likewise, by passing them to
10774 record_value_for_reg.
10775 (record_dead_and_set_regs): Invalidate stores made by a
10776 call. We do not combine across a call, but we still
10777 relied on equivalences.
10779 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10781 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10782 vrp_int_const_binop returning non-constant nodes.
10784 2006-01-16 Paul Brook <paul@codesourcery.com>
10786 * config/m68k/m68k.c (output_move_const_into_data_reg):
10787 Output correct mnemonic for mvz and mvs.
10789 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10791 * rtl-factoring.c: Add sequence abstraction algorithm.
10792 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10793 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10795 (block_has_preserve_label): New function.
10796 * common.opt: Register new pass.
10797 * Makefile.in: Ditto.
10799 * timevar.def: Ditto.
10800 * tree-pass.h: Ditto.
10801 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10802 * rtl.h (make_jump_insn_raw): Add forward decl.
10803 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10805 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10806 Roger Sayle <roger@eyesopen.com>
10808 * fold-const.c (fold_minmax): New static function.
10809 (fold_binary) <MIN_EXPR>: Call it.
10810 <MAX_EXPR>: Likewise.
10811 * stor-layout.c (place_field): Use DECL_SIZE consistently
10812 in the computation of the new record size.
10814 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10816 * cse.c (cse_condition_code_reg): Make it static.
10817 * rtl.h: Remove the prototype for cse_condition_code_reg.
10819 * combine.c (combine_instructions): Make it static.
10820 * rtl.h: Remove the prototype for combine_instructions.
10822 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10825 * tree.c (get_file_function_name_long): Concatenate the first global
10826 object name with a string derived from the input filename of the object
10829 2006-01-16 Ben Elliston <bje@au.ibm.com>
10831 * config/i386/winnt-stubs.c: Update FSF address.
10832 * config/xtensa/ieee754-df.S: Ditto.
10833 * config/xtensa/ieee754-sf.S: Ditto.
10835 2006-01-14 Ian Lance Taylor <ian@airs.com>
10837 * ifcvt.c (noce_init_if_info): New static function, broken out of
10838 noce_process_if_block.
10839 (noce_process_if_block): Call noce_init_if_info.
10840 (check_cond_move_block): New static function.
10841 (cond_move_process_if_block): New static function.
10842 (process_if_block): Call cond_move_process_if_block.
10844 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10846 * cselib.c (hash_table): Rename to cselib_hash_table.
10847 (cselib_clear_table, discard_useless_values,
10848 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10849 cselib_init, cselib_finish): Adjust uses of hash_table.
10851 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10853 PR tree-optimization/25485
10854 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10855 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10856 is known to be false and true, respectively.
10858 2006-01-14 Richard Guenther <rguenther@suse.de>
10860 PR tree-optimization/22548
10861 PR tree-optimization/22555
10862 PR tree-optimization/22501
10863 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10864 * params.def (salias-max-array-elements): New parameter.
10865 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10866 * doc/invoke.texi (salias-max-array-elements): Document.
10867 * tree-flow-inline.h (var_can_have_subvars): We also handle
10869 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10871 * tree-ssa-structalias.c (params.h): Include.
10872 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10873 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10874 (get_constraint_for): For ADDR_EXPR operating on something
10875 containing an ARRAY_REF, add all subvars to the solution.
10876 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10877 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10878 for creating MUST_DEFs.
10879 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10881 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10883 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10885 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10886 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10887 number_of_iterations_le): New functions.
10888 (number_of_iterations_special): Removed.
10889 (number_of_iterations_exit): Do not use number_of_iterations_special.
10890 * tree.c (unsigned_type_for): Always return integer type.
10892 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10893 Richard Guenther <rguenther@suse.de>
10895 PR rtl-optimization/24257
10896 * gcse.c (find_moveable_store): Only consider a store movable
10897 when the SET_SRC of the insn can be assigned to a register.
10899 2006-01-14 Ian Lance Taylor <ian@airs.com>
10901 * tree.c (tree_not_class_check_failed): New function.
10902 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10903 (tree_not_class_check_failed): Declare.
10905 2006-01-13 Ian Lance Taylor <ian@airs.com>
10907 * reload1.c (do_output_reload): Add assertion rejecting a
10910 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10912 * combine.c (struct reg_stat): Add new fields truncation_label and
10914 (record_value_for_reg): Reset truncated_to_mode.
10915 (record_truncated_value): New function.
10916 (check_promoted_subreg): Call it. Rename to check_conversions.
10917 (combine_instructions): Rename check_promoted_subreg to
10919 (reg_truncated_to_mode): New function.
10920 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10921 (gen_lowpart_or_truncate): New function.
10922 (force_to_mode): Use it instead of gen_lowpart.
10924 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10926 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10927 VAR is a tag, not its type tag.
10929 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10931 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10932 alternatives to match style of other entries.
10933 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10935 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10937 PR tree-optimization/25771
10938 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10941 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10944 * tree-inline.c (declare_return_variable): If the return variable
10945 was marked as a non gimple complex, set the return slot variable
10946 to be a non gimple comple variable.
10948 2006-01-13 Richard Guenther <rguenther@suse.de>
10950 * builtins.c (expand_builtin_sincos): New function.
10951 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10953 (expand_builtin): Expand sincos using expand_builtin_sincos.
10955 2006-01-12 DJ Delorie <dj@redhat.com>
10957 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10958 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10959 so that constant shifts can be split.
10960 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10961 (m32c_valid_pointer_mode): Make static.
10962 (shift_gen_func_for): New.
10963 (m32c_prepare_shift): Use it. Split large const shifts into
10965 * config/m32c/predicates.md (shiftcount_operand): Allow more
10967 (longshiftcount_operand): New.
10968 * doc/md.texi (Machine Constraints): Document In6.
10970 2006-01-13 Ben Elliston <bje@au.ibm.com>
10972 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10973 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10976 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10978 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10979 to try to avoid clobbering pieces of structures when we know
10980 something about the whole structure.
10981 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10983 2006-01-13 Ben Elliston <bje@au.ibm.com>
10985 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10986 return in memory, as this is no limitation is no longer present.
10988 2006-01-12 DJ Delorie <dj@redhat.com>
10990 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10991 mova with fb, and for fb+0 -> An.
10993 * config/m32c/mov.md (peephole2): Fix enabling logic.
10995 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10996 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10997 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10998 FINI_ARRAY_SECTION_ASM_OP): Define.
11000 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11002 (m32c_legitimize_reload_address): New logic to reload FB to An.
11003 (m32c_output_reg_push): Add newline.
11004 (m32c_output_reg_pop): Likewise.
11006 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11008 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11010 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11012 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11014 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11016 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11019 2006-01-11 Ben Elliston <bje@au.ibm.com>
11021 * rtlanal.c (find_reg_note): Assert insn is not null.
11023 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11025 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11028 2006-01-11 Jeff Law <law@redhat.com>
11030 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11032 (mark_threaded_blocks, register_jump_thread): New functions.
11033 (thread_through_all_blocks): Remove unwanted argument. No
11034 longer rely on e->aux to communicate thread target info.
11035 Call mark_threaded_blocks. Release the threaded_blocks
11036 bitmap and threaded_edges vector when complete.
11037 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11038 (threaded_blocks): Remove.
11039 (tree_ssa_dominator_optimize): Remove initialization and
11040 finalization of threaded_blocks. Simplify call to
11041 thread_through_all_blocks.
11042 (thread_across_edge): Call register_jump_thread rather than
11043 storing thread information into e->aux.
11044 (free_all_edge_infos): Simplify now that e->aux is no longer
11045 used to communicate with thread_through_all_blocks.
11046 * tree-flow.h (thread_through_all_blocks): Update prototype.
11047 (register_jump_thread): Prototype.
11049 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11051 * df-core.c (df_compact_blocks, df_bb_replace): Use
11052 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11054 2006-01-11 Richard Guenther <rguenther@suse.de>
11056 PR tree-optimization/25734
11057 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11058 stop propagation after successful propagation to the LHS.
11060 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11062 * basic-block.h (control_flow_graph): Change the type of
11063 x_basic_block_info to VEC(basic_block,gc) *.
11064 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11066 (SET_BASIC_BLOCK): New.
11067 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11068 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11069 * cfgbuild.c (find_basic_blocks): Likewise.
11070 * cfglayout.c (fixup_reorder_chain): Likewise.
11071 * cfgrtl.c (create_basic_block_structure,
11072 rtl_create_basic_block): Likewise.
11073 * ifcvt.c (find_if_case_1): Likewise.
11074 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11077 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11079 * Makefile.in: Removed rotted odf.c entry.
11081 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11084 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11085 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11086 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11087 output pattern modifier, not %e.
11088 * config/cris/cris.c (cris_op_str): Update comment about pattern
11090 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11091 before falling through into...
11092 <case 'E'>: Redefined from old 'e' case.
11094 2006-01-11 Jan Hubicka <jh@suse.cz>
11097 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11099 2006-01-11 Jan Hubicka <jh@suse.cz>
11101 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11102 * i386.c (x86_decompose_lea): Kill.
11103 (ix86_rtx_costs): Kill.
11105 2006-01-11 Jan Hubicka <jh@suse.cz>
11107 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11108 * cgraph.h (cgraph_node): Add inline_decl.
11109 (cgraph_insert_node_to_hashtable): Declare.
11110 (save_inline_function_body): Declare.
11111 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11113 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11114 (cgraph_function_versioning): Update call of tree_function_versioning.
11115 (save_inline_function_body): New function.
11116 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11117 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11118 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11119 (cgraph_default_inline_p): Likewise.
11120 (cgraph_decide_inlining_incrementally): Likewise.
11121 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11122 (copy_bb): Kill saving; do updating of clones.
11123 (copy_cfg_body): Kill saving.
11124 (initialize_inlined-parameters): Likewise.
11125 (expand_call_inline): Likewise.
11127 (tree_function_versioning): New parameter "update_clones".
11128 (inlining_p): Kill saving.
11129 * tree-inline.h (tree_function_versioning): Update prototype.
11130 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11133 2006-01-11 Ian Lance Taylor <ian@airs.com>
11135 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11136 Allow undoing set of machine mode.
11137 (do_SUBST): Use enums instead of is_int.
11138 (do_SUBST_MODE): New function.
11139 (SUBST_MODE): New macro.
11140 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11141 reg and trying to replace reg_regno_rtx with a new register.
11142 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11143 (simplify_set): Use SUBST_MODE.
11144 (distribute_notes): Remove code that tried to update reg notes
11145 for regno_reg_rtx changes.
11147 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11149 PR tree-optimization/23109
11150 PR tree-optimization/23948
11151 PR tree-optimization/24123
11153 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11154 * tree-cfg.c (single_noncomplex_succ): New.
11155 * tree-flow.h (single_noncomplex_succ): Declare it.
11156 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11157 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11158 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11159 insert_bb, register_division_in, insert_reciprocals,
11160 replace_reciprocal, free_bb): New.
11161 (execute_cse_reciprocals_1): Rewritten.
11162 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11163 Do not commit any edge insertion. Always compute dominators and
11164 create the allocation pool.
11165 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11166 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11167 * targhooks.c (default_min_divistions_for_recip_mul): New.
11168 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11169 * passes.c (init_optimization_passes): Run recip after tree loop
11171 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11173 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11174 Kenneth Zadeck <zadeck@naturalbridge.com>
11176 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11177 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11178 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11179 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11180 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11181 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11182 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11183 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11184 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11185 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11186 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11187 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11188 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11189 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11190 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11191 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11192 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11193 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11194 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11195 DF_SCAN_POST_ALLOC): New macros.
11196 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11197 df_free_bb_function, df_local_compute_function, df_init_function,
11198 df_dataflow_function, df_confluence_function_0,
11199 df_confluence_function_n, df_transfer_function,
11200 df_finalizer_function, df_free_function, df_dump_problem_function,
11201 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11202 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11203 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11204 df_urec_bb_info, ) New types.
11205 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11207 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11208 df_analyze_simple_change_some_blocks,
11209 df_analyze_simple_change_one_block, df_compact_blocks,
11210 df_bb_replace, df_bb_regno_last_use_find,
11211 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11212 df_insn_regno_def_p, df_find_def, df_find_use,
11213 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11214 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11215 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11216 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11217 debug_df_chain, df_get_dependent_problem, df_chain_create,
11218 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11219 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11220 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11221 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11222 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11223 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11224 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11225 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11226 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11227 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11228 df_reorganize_refs, df_set_state, df_hard_reg_init,
11229 df_read_modify_subreg_p) New public functions.
11230 * df-core.c: The core dataflow solver and glue routines for rtl
11232 (df_init, df_add_problem, df_set_blocks, df_finish,
11233 df_hybrid_search_forward, df_hybrid_search_backward,
11234 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11235 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11236 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11237 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11238 df_reg_defined, df_find_use, df_reg_used, df_dump,
11239 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11240 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11241 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11242 debug_df_useno, reset_df_after_reload): New functions.
11243 * df-scan.c: The scanning fuctions, once in df.c, completely
11244 rewritten so that they now fully model the functionality of
11245 register usage at the backend.
11246 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11247 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11248 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11249 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11250 df_get_artificial_defs, df_get_artificial_uses,
11251 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11252 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11253 df_refs_delete, df_reorganize_refs, df_set_state,
11254 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11255 df_def_record_1, df_defs_record, df_uses_record,
11256 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11257 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11258 df_record_exit_block_uses, df_hard_reg_init): New functions.
11260 * df-problems.c: Seven concrete dataflow problems that use the
11261 scanning in df-scan.c and are solved by the engine in df-core.c.
11262 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11263 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11264 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11265 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11266 df_ru_free_bb_info, df_ru_alloc,
11267 df_ru_bb_local_compute_process_def,
11268 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11269 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11270 df_ru_transfer_function, df_ru_free, df_ru_dump,
11271 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11272 df_rd_free_bb_info, df_rd_alloc,
11273 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11274 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11275 df_rd_transfer_function, df_rd_free, df_rd_dump,
11276 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11277 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11278 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11279 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11280 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11281 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11282 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11283 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11284 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11285 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11286 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11287 df_urec_mark_reg_use_for_earlyclobber,
11288 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11289 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11290 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11291 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11292 df_chain_create_bb_process_use, df_chain_create_bb,
11293 df_chain_finalize, df_chain_free, df_chains_dump,
11294 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11295 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11296 df_reg_lifetime): New functions.
11297 * df.c: Deleted file.
11298 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11299 consistent with new df api.
11300 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11301 rest_of_handle_sms): Ditto.
11302 * web.c (unionfind_union, union_defs, entry_register, web_main):
11304 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11305 invariant_expr_equal_p, find_defs, check_dependencies,
11306 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11307 free_inv_motion_data, move_loop_invariants): Ditto.
11308 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11309 Update dependencies.
11310 (odf.c): Added defective entry that was deleted later in day.
11311 * sched-deps.c (sched_analyze_1): Ditto.
11313 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11315 * tree-ssa-operands.c (get_expr_operands): Record addressable
11316 variables directly. Do not call add_stmt_operands for CONST_DECLs
11318 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11319 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11321 2006-01-11 Ben Elliston <bje@au.ibm.com>
11323 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11324 function returns true in the positive case.
11326 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11329 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11330 for SI, DI, SF and DF modes. Add alternatives to copy between
11331 general and floating point registers to the 32-bit patterns.
11332 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11333 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11334 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11335 generating 64-bit code.
11336 * config/pa/pa.c (output_move_double): Handle copies between general
11337 and floating registers.
11339 2006-01-10 Stuart Hastings <stuart@apple.com>
11341 * config/i386/i386.md (set_got): Update.
11342 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11343 (builtin_setjmp_receiver): Mach-O support.
11344 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11345 (GOT_SYMBOL_NAME): Define.
11346 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11347 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11348 * config/i386/i386.c (override_options): Revise for Darwin.
11349 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11350 support. (darwin_x86_file_end): New. (output_set_got): Add label
11351 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11352 * config/i386/i386-protos.h (output_set_got): Likewise.
11353 * config/darwin.c (machopic_legitimize_pic_address): Update
11356 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11358 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11359 when MODE isn't BLKmode.
11361 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11363 PR rtl-optimization/25367
11364 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11366 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11369 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11370 for a negative bound.
11372 2006-01-10 Richard Guenther <rguenther@suse.de>
11374 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11375 Never override with anything constraint.
11377 2006-01-10 Jan Beulich <jbeulich@novell.com>
11379 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11380 256 bits when optimize_size.
11382 2006-01-10 Jan Beulich <jbeulich@novell.com>
11384 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11386 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11387 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11390 2006-01-10 Ben Elliston <bje@au.ibm.com>
11392 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11394 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11395 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11396 (USE_FP_FOR_ARG): Reject decimal float modes.
11397 (function_arg_advance): Likewise.
11398 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11399 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11400 point types in AltiVec vectors.
11401 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11402 (rs6000_libcall_value): Likewise.
11404 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11406 * config/xtensa/ieee754-df.S: New file.
11407 * config/xtensa/ieee754-sf.S: New file.
11408 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11409 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11410 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11412 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11414 * config/sh/predicates.md (binary_float_operator,
11415 binary_logical_operator, commutative_float_operator,
11416 equality_comparison_operator, greater_comparison_operator,
11417 less_comparison_operator, logical_operator,
11418 noncommutative_float_operator, shift_operator,
11419 symbol_ref_operand, unary_float_operator): Remove redundant
11422 2006-01-09 Jeff Law <law@redhat.com>
11424 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11425 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11426 now unused arguments. Callers updated.
11427 (eliminate_redundant_computations): Remove now unused arguments,
11429 (local_fold): Remove, no longer used.
11430 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11432 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11433 (simplify_cond): New function.
11434 (forward_propagate_into_cond): Call simplify_cond.
11436 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11438 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11439 (*vec_extractv2di_1_sse): New.
11441 2006-01-09 Ben Elliston <bje@au.ibm.com>
11443 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11445 2006-01-08 Richard Guenther <rguenther@suse.de>
11447 * tree-ssa-structalias.c (get_constraint_for): Remove
11448 anyoffset argument.
11449 (get_constraint_for_component_ref): Likewise.
11450 (do_deref): Likewise.
11451 (get_constraint_for): Likewise.
11452 (do_structure_copy): Likewise.
11453 (handle_ptr_arith): Likewise.
11454 (find_func_aliases): Likewise. Remove unused need_anyoffset
11457 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11458 Kaz Kojima <kkojima@gcc.gnu.org>
11460 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11461 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11462 (EXTRA_CONSTRAINT_C16): Remove.
11463 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11464 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11465 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11466 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11467 constants of SHmedia. Handle nested constant expressions of
11469 (andcosts): Fix the costs for SHmedia constants.
11470 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11471 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11472 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11473 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11474 (movv4hi_i, movv2si_i): Likewise.
11475 (movsi_const): Adjust the second operand of ior so to match with
11476 the Csu constraint.
11477 (movdi_const, movdi_const_32bit): Likewise.
11478 (movdi_const_16bit+1): Don't sign-extend LOW.
11479 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11481 (*double_shori): Fix the split condition. Use GEN_INT instead
11482 of get_int_mode calls. Mask lower 16-bit of the argument of
11484 (sym2GOTPLT): Remove.
11485 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11487 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11488 instead of EXTRA_CONSTRAINT_C16.
11490 2006-01-07 Ian Lance Taylor <ian@airs.com>
11491 David Edelsohn <edelsohn@gnu.org>
11493 PR rtl-optimization/25662
11494 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11495 for constant operands instead of simplify_gen_binary.
11496 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11497 after trying simplify_binary_operation
11499 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11501 * tree.c (iterative_hash_expr): Hash decls based on UID.
11503 2006-01-06 Eric Christopher <echristo@apple.com>
11505 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11506 (TARGET_UNWIND_EMIT): Fix spelling.
11507 * target.h (gcc_target): Add except_table_label.
11508 * except.c (output_function_exception_table): Use.
11509 * varasm.c (default_emit_except_table_label): New.
11510 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11512 (asm_out): Add here.
11513 * output.h (default_emit_except_table_label): Prototype.
11514 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11515 * config/darwin.c (darwin_emit_except_table_label): Define.
11516 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11518 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11520 PR tree-optimization/18527
11521 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11522 number_of_iterations_special, number_of_iterations_exit):
11523 Move base and step of an iv to a single structure. Add
11524 no_overflow flag, and use it in # of iterations analysis.
11525 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11526 folded_casts argument.
11527 (simple_iv): Pass base and step in a structure. Set no_overflow
11529 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11530 Evaluate expensiveness of computing # of iterations instead of
11531 the final expression.
11532 * tree-scalar-evolution.h (affine_iv): New structure.
11533 (simple_iv): Declaration changed.
11534 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11535 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11536 find_givs_in_stmt): Changed due to simple_iv change.
11538 2006-01-06 Jeff Law <law@redhat.com>
11541 * tree-cfg.c (bsi_replace): Rename final argument from
11542 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11543 change (stmt -> orig_stmt).
11544 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11545 (bsi_remove): Add new argument. Remove EH information
11547 (verify_eh_throw_table_statements): New function.
11548 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11550 * tree-optimize.c (execute_free_cfg_annotations): Verify
11551 the EH throw statement table after removing annotations.
11552 * except.h (verify_eh_throw_table_statements): Prototype.
11553 * tree-flow.h (bsi_remove): Update prototype.
11554 * tree-vrp.c (remove_range_assertions): Add new argument to
11556 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11557 * tree-complex.c (expand_complex_div_wide): Likewise.
11558 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11559 * tree-tailcall.c (eliminate_tailcall): Likewise.
11560 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11561 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11562 * tree-nrv.c (tree_nrv): Likewise.
11563 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11564 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11565 (combine_blocks): Likewise.
11566 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11567 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11568 (cleanup_control_flow): Likewise.
11569 (remove_forwarder_block): Likewise.
11570 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11571 * tree-sra.c (sra_replace): Likewise.
11572 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11573 (forward_propagate_single_use_vars): Likewise.
11574 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11575 * tree-inline.c (expand_call_inline): Likewise.
11576 * tree-vect-transform.c (vect_transform_loop): Likewise.
11577 * tree-outof-ssa.c (rewrite_trees): Likewise.
11578 * tree-cfg.c (make_goto_expr_edges): Likewise.
11579 (cleanup_dead_labels): Likewise.
11580 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11581 (bsi_move_before, bsi_move_after): Likewise.
11582 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11583 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11585 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11588 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11590 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11591 on non gimple variables. Also add checks at the top for decls and
11593 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11595 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11596 and IMAGPART_EXPR for creating MUST_DEFs.
11597 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11598 and NAME_MEMORY_TAG separately from the DECLs.
11600 2006-01-06 Richard Guenther <rguenther@suse.de>
11602 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11603 annotation, if necessary.
11604 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11605 redundant calls to update_stmt.
11606 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11609 2006-01-05 Richard Henderson <rth@redhat.com>
11611 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11613 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11615 * c-typeck.c: Update copyright date.
11617 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11619 * c-typeck.c (build_c_cast): Always warn when casting
11620 from a pointer to an integer of different size, even if
11621 the node was constant.
11623 2006-01-05 Richard Guenther <rguenther@suse.de>
11625 PR tree-optimization/22555
11626 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11627 if one structure field is an array.
11628 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11629 operands even if we found a subvar, but ignore VOPs in this
11631 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11633 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11635 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11637 PR middle-end/24998
11638 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11640 2006-01-05 Richard Guenther <rguenther@suse.de>
11641 Diego Novillo <dnovillo@redhat.com>
11643 * tree-pass.h (TODO_remove_unused_locals): Define.
11644 * gimple-low.c (expand_var_p, remove_useless_vars,
11645 pass_remove_useless_vars): Remove. Update all users.
11646 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11647 (remove_unused_locals): New function.
11648 * tree-flow.h (remove_unused_locals): Declare.
11649 * passes.c (execute_todo): Call remove_unused_locals if
11650 TODO_remove_unused_locals is set.
11651 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11652 * tree-ssa-dce.c (pass_dce): Likewise.
11653 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11655 2006-01-05 Richard Guenther <rguenther@suse.de>
11657 * tree-flow.h (struct fieldoff): Decompose field to
11658 type, size and decl.
11659 * tree-ssa-alias.c (create_sft): Take type as parameter.
11660 (create_overlap_variables_for): Store type, size and decl
11661 in the fieldoff structure.
11662 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11663 of struct fieldoff.
11664 (push_fields_onto_fieldstack): Likewise.
11665 (create_variable_info_for): Likewise. Use offset for the
11666 SFT name if the decl is not available.
11668 2006-01-04 Paul Brook <paul@codesourcery.com>
11670 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11672 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11674 * lambda-code.c (can_put_in_inner_loop): Relax
11676 (can_put_after_inner_loop): New function.
11677 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11678 (perfect_nestify): Change to make copies and modify uses.
11680 2006-01-04 Richard Henderson <rth@redhat.com>
11682 Merge from gomp branch:
11683 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11684 via integer constant.
11685 (pragma_lex): Remove.
11686 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11687 rather than parsing it.
11688 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11689 handle_pragma_extern_prefix): Add %< %> quotes.
11690 (registered_pragmas): New.
11691 (c_register_pragma_1): New.
11692 (c_register_pragma): Use it.
11693 (c_register_pragma_with_expansion): Likewise.
11694 (c_invoke_pragma_handler): New.
11695 (init_pragma): Use cpp_register_deferred_pragma directly for
11697 * c-pragma.h (enum pragma_kind): New.
11698 (pragma_handler): New.
11699 (c_invoke_pragma_handler): Declare.
11700 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11702 * c-common.h (c_common_pch_pragma): Update decl.
11703 * Makefile.in (c-parser.o): Update dependencies.
11704 (GTFILES): Add c-pragma.h.
11705 * c-parser.c (struct c_token): Add pragma_kind.
11706 (struct c_parser): Add in_pragma.
11707 (c_lex_one_token): Always initialize keyword and pragma_kind.
11708 Extract data for CPP_PRAGMA.
11709 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11710 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11711 Don't allow CPP_PRAGMA_EOL if in_pragma.
11712 (c_parser_consume_pragma): New.
11713 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11714 (c_parser_skip_to_end_of_parameter): Likewise.
11715 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11716 (c_parser_skip_to_pragma_eol): New.
11717 (c_parser_external_declaration): Handle CPP_PRAGMA.
11718 (c_parser_compound_statement_nostart): Likewise.
11719 (c_parser_statement_after_labels): Likewise.
11720 (c_parser_pragma): New.
11721 (pragma_lex): Likewise.
11722 (c_parser_pragma_pch_preprocess): New.
11723 (c_parser_new): Merge into ...
11724 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11726 2006-01-04 Jeff Law <law@redhat.com>
11729 * tree-cfg.c (bsi_replace): Remove the original statement
11730 from the EH throw statement table.
11732 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11734 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11735 make the prototype extern "C" and add throw ().
11738 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11739 and pos non-negative and pos + len <= 32.
11740 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11741 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11742 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11745 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11746 as well as sizes not multiple of component size.
11749 * function.c (instantiate_expr): New function.
11750 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11751 walk its DECL_VALUE_EXPR with instantiate_expr.
11753 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11754 DW_OP_deref{,_size} if address isn't going to be added.
11756 2006-01-04 Ben Elliston <bje@au.ibm.com>
11758 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11759 * config/fp-bit.c: Likewise.
11761 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11763 * dominance.c: Add comment about why we use DFS numbering
11766 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11767 Richard Henderson <rth@redhat.com>
11769 Merge from gomp-branch:
11770 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11771 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11773 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11775 PR rtl-optimization/25578
11776 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11777 pass a parameter to simplify_shift_const if changing ASHIFTRT
11780 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11782 * builtins.c (get_builtin_sync_mem): New function.
11783 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11784 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11785 Call get_builtin_sync_mem to generate mem rtx.
11787 2006-01-03 Richard Guenther <rguenther@suse.de>
11790 * stmt.c (add_case_node): Make sure to clear overflow flags
11793 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11795 Merge from gomp-branch.
11796 * config/sparc/sync.md: New file.
11797 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11798 UNSPECV_LDSTUB): New constants.
11799 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11800 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11801 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11804 2006-01-03 Roger Sayle <roger@eyesopen.com>
11806 * combine.c (reg_subword_p): New predicate to test whether the
11807 destination of a set refers to a subword/piece of a register.
11808 (try_combine): Generalize the code to merge the setting of a
11809 pseudo to a constant followed by a set of a subword of that
11810 register to a constant.
11812 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11814 * basic-block.h (control_flow_graph): Change the type of
11815 x_label_to_block_map to VEC(basic_block,gc) *.
11816 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11817 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11819 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11820 VEC(basic_block,heap) *.
11821 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11822 ssa_prop_fini): Adjust the uses of cfg_blocks.
11824 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11826 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11828 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11829 hashing trees instead of a pointer hash.
11830 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11831 compare for MEM_EXPR.
11833 PR rtl-optimization/25130
11834 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11835 when comparing MEMs for GCSE
11837 2006-01-03 Ben Elliston <bje@au.ibm.com>
11839 * targhooks.h (default_decimal_float_supported_p): Declare.
11840 * targhooks.c (default_decimal_float_supported_p): Define.
11841 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11842 `default_decimal_float_supported_p'.
11843 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11845 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11847 * combine.c (apply_distributive_law <SUBREG>): Check
11848 TRULY_NOOP_TRUNCATION.
11850 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11852 * dwarf2out.c (have_switched_text_section): Delete.
11853 (have_multiple_function_sections): New.
11854 (have_location_lists): Make 'bool'.
11855 (add_AT_loc_list): Use 'true' not '1'.
11856 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11857 (output_loc_list): Use have_multiple_function_sections.
11858 (output_ranges): Likewise.
11859 (dwarf2out_begin_function): Set have_multiple_function_sections if
11861 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11862 Check function_section rather than DECL_SECTION_NAME.
11863 (dwarf2out_finish): Use have_multiple_function_sections.
11864 Don't clear have_location_lists.
11866 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11867 Jan Hubicka <jh@suse.cz>
11869 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11870 case of conditional jump jumping to the next instruction.
11871 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11872 cases of conditional jump jumping to the next instruction.
11874 2006-01-02 Jan Hubicka <jh@suse.cz>
11876 * i386.c (*_cost): Add COSTS_N_INSNS.
11877 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11879 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11882 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11884 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11886 * config/arm/arm.c (all_fpus): Fix comment typo.
11887 * config/darwin.c: Likewise.
11888 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11889 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11890 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11892 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11894 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11895 (rs6000_split_compare_and_swapqhi): New.
11896 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11897 (sync_compare_and_swapqhi_internal): New.
11898 * config/rs6000/rs6000-protos.h: Declare.