1 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3 * config/bfin/bfin.c: Fix comment typos.
5 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8 * doc/install.texi: Document --enable-bootstrap and
11 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
13 * doc/install.texi: Document that InfoZIP can replace jar.
15 2006-05-31 Roger Sayle <roger@eyesopen.com>
17 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
18 isn't available, directly generate the simpler x87 patterns without
19 the (use (const_int 0)).
20 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
21 implementation isn't available.
22 (*negdf2_1): Likewise.
23 (*negxf2_1): XF mode negation is always done using the x87.
24 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
26 2006-05-31 Roger Sayle <roger@eyesopen.com>
28 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
29 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
31 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
33 2006-05-31 Jie Zhang <jie.zhang@analog.com>
35 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
36 * config/bfin/bfin.c (basic-block.h): Include.
37 (struct machine_function): New.
38 (bfin_init_machine_status): New.
39 (override_options): Initialize init_machine_status.
40 (bfin_hardware_loop): New.
41 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
42 (DEF_VEC_P (loop_info)): New.
43 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
44 (struct loop_info): New.
45 (loop_info): New typedef.
46 (struct loop_work): New.
47 (loop_work): New typedef.
48 (DEF_VEC_O (loop_work)): New.
49 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
50 (bfin_dump_loops): New.
51 (bfin_bb_in_loop): New.
52 (bfin_scan_loop): New.
53 (bfin_optimize_loop): New.
54 (bfin_reorg_loops): New.
55 (bfin_reorg): Use bfin_reorg_loops.
56 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
58 (I_REGNO_P): Simplify.
59 (DP_REGNO_P, DPREG_P): New macros.
60 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
61 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
62 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
63 Add LT_REGS, LC_REGS, LB_REGS.
64 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
66 (REGNO_REG_CLASS): Deal with loop registers.
67 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
69 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
70 New constants for loop registers.
71 (UNSPEC_LSETUP_END): New.
72 (seq_insns): New define_attr. Set it for appropriate insns.
73 (movsi_insn): Add alternatives for move from/to
75 (doloop_end): New define_expand.
76 (loop_end): New define_insn.
77 (define_split for bad doloop_end): New.
78 (lsetup_with_autoinit): New define_insn.
79 (lsetup_without_autoinit): New define_insn.
80 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
81 * config/bfin/predicates.md (lc_register_operand): New.
82 (lt_register_operand): New.
83 (lb_register_operand): New.
84 (nondp_register_operand): New.
85 (nondp_reg_or_memory_operand): New.
86 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
88 2006-05-31 Jie Zhang <jie.zhang@analog.com>
90 * config/bfin/bfin.c (bfin_delegitimize_address): New.
91 (TARGET_DELEGITIMIZE_ADDRESS): Define.
93 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
95 * Makefile.in (CATALOGS): Add po/ prefix.
96 * configure: Regenerated.
98 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
101 * arm.c (arm_print_operand case 'S'): Validate that the operand is
102 a shift operand before calling shift_op. Avoid redundant call of
105 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
106 DJ Delorie <dj@redhat.com>
108 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
109 we're inserting is a singlt-bit constant.
111 2006-05-30 Roger Sayle <roger@eyesopen.com>
113 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
114 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
116 2006-05-30 Roger Sayle <roger@eyesopen.com>
118 PR tree-optimization/23452
119 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
120 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
121 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
122 complex values and with -ffast-math for FP complex values.
124 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
126 * c-common.h: Remove the prototype for yyparse.
127 * rtl.h: Remove the prototype for init_loop.
129 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
131 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
134 2006-05-30 Roger Sayle <roger@eyesopen.com>
136 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
138 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
139 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
141 2006-05-30 Dirk Mueller <dmueller@suse.de>
144 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
145 for CONSTANT_CLASS_P expresisons.
147 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
150 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
152 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
154 PR tree-optimization/27779
155 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
156 initial_condition instead of CHREC_LEFT.
158 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
160 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
161 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
162 Make prototypes ISO C90.
164 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
165 Leehod Baruch <leehod.baruch@weizmann.ac.il>
167 * see.c (see_analyze_one_def): Correct check.
168 (see_get_extension_data): Check if extension is parallel.
169 (see_get_extension_reg): Likewise.
171 2006-05-30 Uros Bizjak <uros@kss-loka.si>
174 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
175 into register for (code == GTU).
177 2006-05-29 Roger Sayle <roger@eyesopen.com>
179 PR tree-optimization/24964
180 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
181 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
182 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
183 abs(x)*abs(x) as x*x for scalar floating point modes.
185 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
188 * lambda-code.c (perfect_nestify): Don't copy statements
189 in the inner loop: move them to the inner loop header.
191 2006-05-29 Diego Novillo <dnovillo@redhat.com>
194 * c-tree.texi: Document OpenMP directives and clauses.
196 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
198 * varasm.c (globalize_decl): Fix indentation.
200 2006-05-29 Diego Novillo <dnovillo@redhat.com>
203 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
204 pass_fre, pass_store_ccp, pass_copy_prop,
205 pass_store_copy_prop, pass_merge_phi, pass_nrv,
206 pass_return_slot, pass_object_size, pass_lim,
207 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
208 pass_loop_prefetch and pass_stdarg.
210 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
212 * config/bfin/bfin.opt (mfdpic): New option.
213 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
214 (EXTRA_MULTILIB_PARTS): Likewise.
215 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
216 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
218 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
219 (CRT_CALL_STATIC_FUNCTION): New.
220 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
222 (CRT_CALL_STATIC_FUNCTION): New.
223 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
225 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
226 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
227 (initialize_trampoline): Changed to handle FD-PIC code generation.
228 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
229 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
230 (override_options): Disallow -mid-shared-library -mfdpic combination.
231 Can't do unaligned ops if FD-PIC.
232 Turn off flag_pic if trying to generate non-id-shared-library
233 non-fdpic code, since it's not supported.
234 (bfin_assemble_integer): New function.
235 (TARGET_ASM_INTEGER): Define.
236 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
238 * config/bfin/crtn.s: Restore them.
239 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
241 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
242 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
243 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
244 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
245 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
247 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
248 FDPIC_REGS and FDPIC_FPTR_REGS.
249 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
250 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
251 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
252 (load_funcdescsi): New pattern.
253 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
254 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
255 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
257 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
259 * gcse.c, rtlanal.c: Remove obsolete comments associated with
262 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
264 * tree-flow.h: Remove the prototype for add_type_alias.
265 * tree-ssa-alias.c (add_type_alias): Remove.
267 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
269 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
270 config/fr30/fr30.md, config/i386/i386-interix.h,
271 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
272 config/sh/superh64.h, config/v850/v850.c, df-core.c,
273 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
274 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
275 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
276 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
277 Follow spelling conventions.
278 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
279 Follow spelling conventions.
281 2006-05-27 Richard Guenther <rguenther@suse.de>
284 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
285 to produce a constant of value 1 of generic type.
287 2006-05-27 Dirk Mueller <dmueller@suse.de>
289 * cgraphunit.c (decide_is_function_needed): Fix wrong
292 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
294 PR rtl-optimization/27661
295 * reload.c (find_reloads): When reloading a VOIDmode constant
296 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
297 use Pmode as mode of the reload register.
299 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
301 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
302 is enabled at -O and above.
304 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
307 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
310 2006-05-25 Mark Mitchell <mark@codesourcery.com>
313 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
314 for anonymous variables explicitly declared by front ends.
316 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
318 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
319 (struct alias_info): Add new field ref_all_symbol_mem_tag.
320 * tree-ssa-alias.c (compute_may_aliases): If the program contains
321 ref-all pointers, run a finalization pass for them.
322 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
323 (finalize_ref_all_pointers): New function.
324 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
325 regular pointer type to a ref-all pointer type.
326 (get_tmt_for): Return the special memory tag for ref-all pointers.
328 2006-05-25 Richard Guenther <rguenther@suse.de>
331 * fold-const.c (fold_binary): Do not look at the stripped
332 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
334 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
336 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
337 for LT and GT if the computed range is effectively empty.
339 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
342 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
343 mips_quad_format formats instead of ieee_single_format,
344 ieee_double_format and ieee_quad_format formats, respectively.
346 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
348 PR tree-optimization/27639
349 PR tree-optimization/26719
350 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
351 call to scev_probably_wraps_p.
352 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
353 used_in_pointer_arithmetic_p, convert_step): Removed.
354 (nowrap_type_p): New function.
355 (scev_probably_wraps_p): Rewritten.
356 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
357 chrec_convert if chrec_convert_aggressive might have been used.
358 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
359 scev_direction): New functions.
360 (chrec_convert): Changed to a wrapper over chrec_convert_1.
361 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
362 instead of convert_step.
363 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
364 (convert_step): Declaration removed.
365 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
367 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
369 * df-core.c: Added to header comments.
370 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
371 df_ur_bb_info, df_urec_bb_info): Added comments.
372 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
373 urec, ri problems): Fixed header comments.
374 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
375 code from df_rd_transfer_function.
377 2006-05-23 Richard Sandiford <richard@codesourcery.com>
379 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
380 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
381 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
383 2006-05-23 Joseph Myers <joseph@codesourcery.com>
385 * expr.c (undefined_operand_subword_p): New.
386 (emit_move_multi_word): Do not generate move from undefined bits
387 of a paradoxical subreg.
389 2006-05-23 Richard Sandiford <richard@codesourcery.com>
391 PR rtl-optimization/27736
392 * combine.c (replaced_rhs_value): New variable.
393 (combine_instructions): Set it.
394 (distribute_notes): When distributing a note in replaced_rhs_insn,
395 check whether the value was used in replaced_rhs_value.
397 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
400 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
401 add_referenced_var instead of add_referenced_tmp_var.
402 * tree-complex.c (create_one_component_var): Use add_referenced_var.
403 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
405 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
406 tree_optimize_tail_calls_1): Use add_referenced_var.
407 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
408 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
409 Use add_referenced_var.
410 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
411 * gimplify.c (force_gimple_operand): Use add_referenced_var.
412 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
413 Use add_referenced_var.
414 * tree-dfa.c (struct walk_state): Remove.
415 (find_referenced_vars): Remove walk state and vars_found hash table.
416 (make_rename_temp): Use add_referenced_var.
417 (find_vars_r): Pass less parameters to add_referenced_var.
418 (referenced_var_p): New. Is var in referenced_var hash table.
419 (referenced_var_insert): Assert var isn't already in hash table.
420 (add_referenced_var): Don't need walk_state parameter. Add var if it
421 isn't already in the hash table.
422 (add_referenced_tmp_var): Remove.
423 (find_new_referenced_vars_1): Use add_referenced_var.
424 * tree-ssa-pre.c (create_expression_by_pieces,
425 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
426 Use add_referenced_var.
427 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
428 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
429 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
431 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
432 vect_create_data_ref_ptr, vect_create_destination_var,
433 vect_init_vector, vect_build_loop_niters,
434 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
435 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
436 Use add_referenced_var.
437 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
438 * tree-flow.h (add_referenced_tmp_var): Remove prototype
439 (add_referenced_var): Add prototype.
440 * tree-ssa-structalias.c (get_constraint_for,
441 intra_create_variable_infos): Use add_referenced_var.
443 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
445 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
446 big-endian paradoxical subregs.
447 * var-tracking.c (struct micro_operation_def): Document that,
448 for modify micro operations, insn is the subsequent instruction.
449 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
450 (var_reg_set, var_mem_set): ... new functions.
451 (add_stores): Record subsequent insn.
452 (compute_bb_dataflow): Use new functions for MO_USE.
453 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
454 notes after the insn, and modify notes before the insn known
455 to be the subsequent one.
456 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
458 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
461 * config/i386/i386.c (ix86_expand_builtin): Use
462 gen_sse3_monitor64 for TARGET_64BIT.
464 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
466 PR rtl-optimization/26375
467 PR rtl-optimization/26855
468 * df-problems (df_ru_bb_local_compute_process_def): Removed update
470 (df_ru_bb_local_compute): Reversed statements and removed bogus
471 comment explaining why they should be in wrong order.
472 (df_ru_dump, df_rd_dump): Enhanced debug info.
473 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
475 * ddg.c (add_deps_for_def): Converted use of reaching defs to
476 reaching uses and fixed space problem.
478 2006-05-23 Jan Hubicka <jh@suse.cz>
480 * cgraphunit.c (decide_is_function_needed): Also nested functions
481 and functions declared inline can be optimized out at -O0.
483 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
485 * doc/install.texi (Configuration): Remove reference to CrossGCC
486 FAQ which was hijacked.
489 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
492 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
493 ix86_compare_emitted is non-NULL.
495 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
498 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
501 2006-05-22 Richard Sandiford <richard@codesourcery.com>
503 PR rtl-optimization/25514
504 * combine.c (replaced_rhs_insn): New variable.
505 (combine_instructions): Set replaced_rhs_insn when trying to replace
506 a SET_SRC with a REG_EQUAL note.
507 (distribute_notes): Use replaced_rhs_insn when determining the live
508 range of a REG_DEAD register.
510 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
511 Anatoly Sokolov <aesok@post.ru>
513 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
514 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
515 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
516 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
517 atmega3290, atmega649, atmega6490, atmega406, atmega640,
518 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
519 at90usb647, at90usb1286 and at90usb1287 devices.
520 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
521 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
523 2006-05-22 Richard Sandiford <richard@codesourcery.com>
525 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
527 2006-05-22 Richard Guenther <rguenther@suse.de>
530 2006-01-31 Richard Guenther <rguenther@suse.de>
531 Paolo Bonzini <bonzini@gnu.org>
533 * doc/install.texi (--disable-libgcc-math): Document.
535 2006-05-22 Richard Guenther <rguenther@suse.de>
538 2006-01-31 Richard Guenther <rguenther@suse.de>
540 * doc/invoke.texi (-msselibm): Document.
541 * target.h (expand_library_builtin): New target hook.
542 * builtins.c (expand_builtin): Use expand_library_builtin.
543 (default_expand_library_builtin): New function.
544 * gcc.c (LINK_GCC_MATH_SPEC): Define.
545 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
546 (link_gcc_math_spec): Declare.
547 (static_specs): Add link_gcc_math_spec.
548 * expr.h (default_expand_library_builtin): Declare.
549 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
550 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
551 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
552 * config/i386/i386.opt (msselibm): New target option.
553 * config/i386/i386.c (ix86_builtin_function_variants): New array.
554 (ix86_init_sse_abi_builtins): New function.
555 (ix86_expand_library_builtin): Likewise.
556 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
557 (override_options): Handle error conditions wrt -msselibm.
558 (ix86_builtins): Add function codes for SSE2 ABI builtins.
559 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
560 * doc/extend.texi (__builtin_sse2_*): Document new target specific
563 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
566 * c-common.c (self_promoting_args_p): Skip erroneous args.
569 * c-decl.c (finish_struct): Skip erroneous fields.
571 2006-05-22 Nick Clifton <nickc@redhat.com>
573 * config/cris/cris.opt (march): Remove VarExists attribute.
574 (max-stackframe=): Likewise.
576 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
578 * doc/rtl.texi: Fix a typo.
579 * see.c: Fix comment typos.
581 * tree-ssa-structalias.h (alias_info): Remove num_references.
583 2006-05-21 Mike Stump <mrs@apple.com>
585 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
587 (darwin_pragma_options): Use BAD instead.
588 (darwin_pragma_unused): Likewise.
589 (darwin_pragma_ms_struct): Likewise.
591 2006-05-21 David Edelsohn <edelsohn@gnu.org>
593 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
595 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
597 PR rtl-optimization/27671
598 * simplify-rtx.c (simplify_relational_operation_1): Fix
599 simplifications of (eq/ne (xor x y) y) and
602 PR tree-optimization/26622.
603 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
606 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
608 * tree-cfg.c: Prune whitespace.
609 (debug_tree_cfg): Point to correct header containing the
612 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
615 * cgraphunit.c (verify_cgraph_node): Typo in error message.
617 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
620 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
621 or sorry count is non zero.
623 2006-05-20 Andreas Schwab <schwab@suse.de>
625 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
627 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
628 Kenneth Zadeck <zadeck@naturalbridge.com>
630 PR rtl-optimization/26855
632 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
634 (df_scan_alloc): Added code to properly handle multiword hard
635 registers and add all_blocks parameter.
636 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
637 code to properly handle multiword hard registers.
638 (df_rescan_blocks): Added code to remove deleted blocks from
640 (df_ref_create_structure, df_ref_record): Added code to properly
642 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
643 and set DF_REF_PARTIAL.
644 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
645 (df_uses_record): Added DF_REF_PARTIAL for subreg.
646 (df_scan_add_problem): Added flags parameter.
647 (df_ref_create_structure): Changed switching structure.
648 (df_bb_refs_record): Fixed case where duplicate artificial refs
649 were created. Changed location of flags.
650 (df_record_entry_block_defs): Added code to make stack pointer
651 live in entry block. Refined cases where frame pointer is needed.
652 Changed location of flags.
653 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
654 (df_set_state): Removed function.
655 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
656 df_insn_create_insn_record, df_insn_refs_delete,
657 df_ref_create_structure): Formatting changes.
658 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
659 df_delete_basic_block): New function.
660 (df_init): Changed location of flags.
661 (df_add_problem): Added flags parameter and the way flags are
663 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
664 debug_df_chain): Improved debugging output.
665 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
666 (df_refs_chain_dump): Removed df parameter.
667 (df_iterative_dataflow): Added consistency check.
668 (df_prune_to_subcfg): Made public.
669 (df_analyze_problem): Added blocks_to_init parameter and made
671 (df_ref_record, df_bb_refs_record, df_mark_reg,
672 df_record_exit_block_uses): Whitespace changes.
673 (df_dump): Whitespace changes.
674 * df.h: Some reordering to remove forward references.
675 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
676 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
677 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
678 (dataflow.flags): New field.
679 (df.flag): Deleted field.
680 (df_alloc_function): Added additional bitmap parameter.
681 (df_dependent_problem_function): New type.
682 (df_problem.changeable_flags): New field.
683 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
684 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
685 (df_mw_hardreg): New struct.
686 (DF_INSN_UID_MWS): New macro.
687 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
689 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
690 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
691 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
692 (df_set_state): Removed function.
693 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
694 * df-problems.c (df_chain_dump): Removed df parameter.
695 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
696 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
698 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
699 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
700 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
701 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
702 DF_REF_MUST_CLOBBER cases.
703 (df_ru_bb_local_compute_process_def,
704 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
705 df_lr_bb_local_compute, df_ur_bb_local_compute,
706 df_chain_create_bb): Made subreg aware.
707 (df_ru_bb_local_compute, df_rd_bb_local_compute,
708 df_lr_bb_local_compute, df_lr_bb_local_compute,
709 df_chain_create_bb): Cleanup to use proper macros.
710 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
711 code to fixup bitvectors.
712 (df_ri_alloc): Cleared lifetime.
713 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
714 df_create_unused_note): New function.
715 (df_ri_bb_compute, df_ri_compute): Added code to create/update
716 REG_DEAD and REG_UNUSED notes as well as register information.
717 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
718 df_chains_dump): Fixed crash if problem was never run.
719 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
720 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
721 df_ri_add_problem): Processes flags in uniform manner.
722 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
723 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
724 df_rd_dump, df_urec_free_bb_info): Formatting changes.
725 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
726 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
727 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
728 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
729 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
730 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
731 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
732 * see.c (see_initialize_data): Ditto.
733 * final.c (rest_of_clean_state) Added regstack_completed.
734 * rtl.h (regstack_completed): Ditto.
735 * reg-stack.c (regstack_completed): Ditto.
737 2006-05-19 Mike Stump <mrs@apple.com>
739 * c-tree.h (default_conversion): Remove.
740 * c-common.h (default_conversion): Add.
742 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
744 * tree-vrp.c (valid_value_p): New function.
745 (adjust_range_with_scev): Fail if the value of bound is not
748 2006-05-19 Richard Sandiford <richard@codesourcery.com>
750 * config/mips/linux-unwind.h: Include <asm/unistd.h>
751 (mips_fallback_frame_state): Use syscall numbers to determine
752 the appropriate li instruction for the current ABI. Only use
753 __NR_sigreturn for o32.
755 2006-05-19 Nicolas Setton <setton@adacore.com>
757 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
758 * langhooks.c (lhd_dwarf_name): New function.
759 * langhooks-def.h (lhd_dwarf_name): Declare.
760 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
761 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
762 * ada/misc.c (gnat_dwarf_name): New function.
763 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
765 2006-05-19 Richard Sandiford <richard@codesourcery.com>
767 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
769 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
770 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
771 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
772 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
773 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
774 determine the size of Wtype, etc.
775 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
776 (swfloatfuncs): New variable.
777 (dwfloatfuncs): Likewise.
778 (lib2funcs): Remove floating-point conversion functions from
779 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
780 the set of conversion routines needed. Allow entries to specify
781 an object name, filename and word size. Update users accordingly.
782 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
783 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
787 2006-02-08 Roger Sayle <roger@eyesopen.com>
790 * config/fixtfdi.c: New libgcc source file.
791 * config/fixunstfdi.c: New source file.
792 * config/floatditf.c: New source file.
793 * config/floatunditf.c: New souce file.
794 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
795 files above instead of config/mips/_tilib.c.
796 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
798 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
800 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
801 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
803 2006-05-18 Mike Stump <mrs@apple.com>
805 Fix up vla, vm and [*] sematics.
811 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
812 (c_vla_unspec_p): Add.
814 * c-decl.c (struct c_scope): Add had_vla_unspec.
815 (build_array_declarator): Add support for [*].
816 (grokdeclarator): Likewise.
817 (grokparms): Likewise.
818 (get_parm_info): Likewise.
819 * c-objc-common.c (c_vla_unspec_p): Likewise.
820 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
821 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
822 typeof when argument is a variably modified type not inside sizeof or alignof.
823 (c_parser_direct_declarator_inner): Propagate errors.
824 (c_parser_sizeof_expression): Add support for [*].
825 (c_parser_parms_declarator): Initialize had_vla_unspec.
826 (c_parser_parms_list_declarator): Likewise.
827 * c-typeck.c (c_vla_type_p): Add.
828 (composite_type): Add support for vla compositing.
829 (comptypes_internal): Add support for vla compatibility.
830 (c_expr_sizeof_expr): Evaluate vla arguments.
831 * tree.c (variably_modified_type_p): Update comment for [*].
833 2006-05-18 Michael Matz <matz@suse.de>
836 * config.host: Make assignments to host_xmake_file cumulative.
837 * config.host (*-darwin*): Test $host, not $target.
839 2006-05-12 Stuart Hastings <stuart@apple.com>
841 * config/i386/i386.opt (-mstackrealign): New flag.
842 * config/i386/i386.c (force_align_arg_pointer): New attribute.
843 (ix86_handle_cconv_attribute): Emit error when
844 force_align_arg_pointer attribute collides with too many regparms.
845 (ix86_function_regparm): Limit regparms when used with
846 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
847 Support stack-realigning prologue in non-main functions. Emit
848 warning for nested functions under -mstackrealign, emit error for
849 nested functions with force_align_arg_pointer attribute.
850 * doc/extend.texi (force_align_arg_pointer): Document it.
851 * doc/invoke.texi (-mstackrealign): Document it.
853 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
855 PR rtl-optimization/27477
856 * combine.c (try_combine): Don't split a parallel consisting
857 of two sets into two individual sets if both sets reference
860 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
862 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
863 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
865 * doc/options.texi (VarExists): Updated.
867 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
869 * unwind-dw2.c: Add declarations for uw_update_context and
871 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
872 detected, advance frame state and context once to skip over stub.
874 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
878 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
879 Call rewrite_into_loop_closed_ssa only when something changed.
880 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
881 * lambda-code.c (can_convert_to_perfect_nest): Declared.
882 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
883 Test for perfect_nest_p here. Fix formating.
884 (replace_uses_equiv_to_x_with_y): Fix formating.
885 (stmt_uses_op): Removed.
886 (can_convert_to_perfect_nest): Removed loopivs parameter.
887 Complete the test by checking the scalar dependences.
888 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
891 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
894 From Dan Kegel <dank@kegel.com>:
895 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
897 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
899 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
900 if the element type is variably modified without recursing.
902 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
905 * tree-loop-linear.c (try_interchange_loops): Test for
908 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
910 PR tree-optimization/27548
911 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
912 range of ssa names that appear on abnormal edges.
913 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
914 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
916 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
919 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
921 2006-05-17 Jakub Jelinek <jakub@redhat.com>
924 * tree.h (OMP_PARALLEL_COMBINED): Define.
925 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
926 (new_omp_context): Add is_combined_parallel argument.
927 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
928 new_omp_context caller.
929 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
930 Adjust gimplify_scan_omp_clauses callers.
931 (omp_is_private): Issue errors if iteration variable is firstprivate
932 or reduction in the current context.
933 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
934 on combined parallel workshare constructs.
936 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
938 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
939 (gcc-options.o): New rule.
941 * optc-gen.awk: Protect variables for gcc-options.o with
942 #ifdef GCC_DRIVER/#endif.
944 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
946 Fix PR tree-optimization/27373
947 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
948 (forward_propagate_addr_expr): Update call.
950 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
952 * doc/options.texi: Move the Negative option.
954 2006-05-16 Richard Guenther <rguenther@suse.de>
956 PR tree-optimization/22303
957 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
959 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
960 ccp_fold did not simplify the statement.
962 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
965 * Makefile.in (GCC_OBJS): New.
966 (OBJS-common): Add opts-common.o.
967 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
968 (cpp$(exeext)): Likewise.
969 (gcc.o): Also depend on opts.h.
970 (opts-common.o): New.
972 * common.opt (gcoff): Add Negative(gdwarf-2).
973 (gdwarf-2): Add Negative(gstabs).
974 (gstabs): Add Negative(gstabs+).
975 (gstabs+): Add Negative(gvms).
976 (gvms): Add Negative(gxcoff).
977 (gxcoff): Add Negative(gxcoff+).
978 (gxcoff+): Add Negative(gcoff).
979 * config/i386/i386.opt (m32): Add Negative(m64).
980 (m64): Add Negative(m32).
982 * doc/options.texi: Document the Negative option.
984 * gcc.c: Include "opts.h".
985 (main): Call prune_options after expandargv.
987 * optc-gen.awk: Generate common declarations for all flag
988 variables in options.c. Output the neg_index field.
990 * opts.c (find_opt): Moved to ...
991 * opts-common.c: Here. New file.
993 * opts.h (cl_option): Add a neg_index field.
995 (prune_options): Likewise.
997 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1000 * omp-low.c (expand_omp_parallel): Don't assert
1001 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1002 instead search for it.
1005 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1008 2006-05-16 Andreas Schwab <schwab@suse.de>
1010 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1013 2006-05-15 Roger Sayle <roger@eyesopen.com>
1016 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1017 integer constants other than zero are only legitimate on TARGET_64BIT.
1018 <CONST_VECTOR> Only zero vectors are legitimate.
1019 (ix86_cannot_force_const_mem): Integral and vector constants can
1020 always be put in the constant pool.
1022 2006-05-16 DJ Delorie <dj@redhat.com>
1024 * crtstuff.c (__dso_handle): Set section from
1025 TARGET_LBIGCC_SDATA_SECTION if defined.
1026 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1027 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1029 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1032 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1035 2006-05-16 Ben Elliston <bje@au.ibm.com>
1037 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1039 2006-05-15 Per Bothner <per@bothner.com>
1041 * tree.c: (last_annotated_node): Use sources_locus typedef.
1042 This permits bootstrapping with --enable-mapped-location.
1044 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1046 PR tree-optimization/26830
1047 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1048 (info_for_ssa_name, current_info_for_ssa_name_age,
1049 blocks_to_update): New variables.
1050 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1051 (clear_ssa_name_info, initialize_flags_in_bb,
1052 mark_block_for_update): New functions.
1053 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1054 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1055 prepare_def_site_for): Use mark_block_for_update.
1056 (mark_def_interesting): Assert that the processed block is marked in
1057 blocks_to_update. Do not take blocks argument.
1058 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1060 (rewrite_update_init_block, rewrite_update_stmt): Only process
1061 blocks with statements to rewrite.
1062 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1063 (update_ssa): Initialize and free blocks_to_update. Do not
1064 clear flags on statements. Do not use blocks bitmap.
1065 * tree.h (SSA_NAME_AUX): Removed.
1066 (struct tree_ssa_name): Removed aux field.
1067 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1069 2006-05-15 Richard Guenther <rguenther@suse.de>
1071 PR tree-optimization/27603
1072 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1073 Do computations in original type.
1075 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1077 * see.c: Code style changes such as redundant paranthesis,
1078 redundant intialization of local variables etc.
1079 (see_main): Declared now as static.
1080 * doc/invoke.texi: Update that -fsee is not enabled by
1083 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1085 * omp-low.c (check_omp_nesting_restrictions): New function.
1086 (scan_omp_1): Call it.
1089 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1090 construct, return *VAR.
1092 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1094 PR rtl-optimization/27406
1095 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1098 2006-05-14 Roger Sayle <roger@eyesopen.com>
1100 PR rtl-optimization/27538
1101 * combine.c (expand_compound_operation): Call gen_lowpart
1102 before calling simplify_shift_const.
1104 2006-05-14 Roger Sayle <roger@eyesopen.com>
1106 PR rtl-optimization/22563
1107 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1108 a fixed width bitfield, always force the intermediates into psuedos.
1110 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1113 * mkconfig.sh: Use operator = instead of == for test.
1115 2006-05-13 Nick Clifton <nickc@redhat.com>
1117 * dwarf2out.c (dbx_reg_number): Check return value from
1118 LEAF_REG_REMAP and only use it if it is valid.
1119 (multiple_reg_loc_descriptor): Likewise.
1121 2006-05-13 Richard Guenther <rguenther@suse.de>
1123 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1126 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1128 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1129 information attached to non-INSNs such as NOTEs.
1130 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1132 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1134 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1136 * config/s390/s390.md: Adjust comment describing On constraint.
1138 2006-05-11 Jan Hubicka <jh@suse.cz>
1140 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1141 to be output at -O0.
1143 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1146 * fold-const.c (size_binop): Move sanity check for arguments to
1147 the beginning of the function.
1150 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1153 2006-05-11 Richard Guenther <rguenther@suse.de>
1156 * fold-const.c (fold_unary): Handle intermediate conversion
1157 to a pointer type like intermediate conversion to an integer
1158 type in folding of (T1)(T2)var to var.
1159 Match the code to the comment in the final conversion for
1160 (T1)(T2)var to (T1)var regarding to type precision. Rather
1161 than disallow T1 being of pointer type, assert that both T1
1162 and var are of pointer type or not. Make sure not to fall
1163 over the frontends lazyness wrt array to pointer decay though.
1165 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1167 * arm.c (arm_struct_value_rtx): Delete.
1168 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1169 (arm_init_cumulative_args): Always initialize nregs to zero.
1171 2006-05-10 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/27532
1174 * tree-object-size.c (plus_expr_object_size): Fix typo.
1176 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1179 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1180 ashrdi_const, ashrdi3): Use a scratch register.
1182 2006-05-10 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/27302
1185 * fold-const.c (operand_equal_p): For two comparisons,
1186 try comparison of one comparison code swapped if that yields
1189 2006-05-10 Ben Elliston <bje@au.ibm.com>
1191 * tree-pretty-print.c (pretty_print_string): No need to handle
1192 '\0' as a special character.
1194 * tree.h: Include "hashtab.h".
1195 (iterative_hash_expr): Use hashval_t in its prototype.
1196 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1198 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1201 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1202 (hppa*64*-*-hpux11*): Ditto.
1203 (hppa[12]*-*-hpux11*): Ditto.
1205 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1208 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1210 2006-05-09 Michael Matz <matz@suse.de>
1212 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1213 host_extra_gcc_objs and host_xmake_file.
1214 (<*-*-linux*>): Don't overwrite host_xmake_file.
1215 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1216 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1217 (host_detect_local_cpu): Declare.
1218 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1219 * config/i386/i386.c (override_options): Handle -mtune=native
1221 * config/i386/x-i386: New file.
1222 * config/i386/driver-i386.c: New file.
1223 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1226 2006-05-09 Dirk Mueller <dmueller@suse.de>
1227 Richard Guenther <rguenther@suse.de>
1230 * fold-const.c (fold_read_from_constant_string): Relax check
1231 for matching types to matching modes.
1233 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1235 PR rtl-optimization/27335
1236 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1239 2006-05-08 Chao-ying Fu <fu@mips.com>
1240 Richard Sandiford <richard@codesourcery.com>
1242 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1243 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1244 * config/mips/mips.md (UNSPEC_SCC): New constant.
1245 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1246 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1247 (mips_emit_compare): Use it.
1248 (mips_expand_vcondv2sf): New function.
1250 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1252 Fix PR tree-optimization/27093
1253 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1254 renaming when they become not-used_alone.
1256 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1258 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1259 relocation and relocation stubs.
1261 2006-05-08 Eric Christopher <echristo@apple.com>
1263 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1266 2006-05-08 Jan Hubicka <jh@suse.cz>
1269 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1270 unused static functions are needed.
1272 2006-05-08 Roger Sayle <roger@eyesopen.com>
1275 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1276 of a reg_equiv_constant if the result is a legitimate constant.
1278 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1281 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1282 standard 80387 constants, raise the cost to prevent
1283 compress_float_constant() to generate load from memory.
1285 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1287 * config/arm/constraints.md (c): Fix a typo.
1289 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1292 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1295 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1297 (_mm_mwait): Likewise.
1299 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1301 (sse3_monitor): Make it 32bit only.
1302 (sse3_monitor64): New. 64bit monitor.
1304 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1307 * config/i386/i386.c (classify_argument): Skip fields with invalid
1310 2006-05-07 Richard Guenther <rguenther@suse.de>
1312 PR tree-optimization/27409
1313 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1314 Do not try to find zero-sized subvars.
1316 2006-05-07 Richard Guenther <rguenther@suse.de>
1318 PR tree-optimization/27136
1319 * tree-ssa-loop-niter.c (get_val_for): Correct function
1320 comment, assert requirements.
1321 (loop_niter_by_eval): Stop processing if the iterated
1322 value did not simplify.
1324 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1326 * opts.c (flag_see): remove its setting at -O3.
1328 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1330 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1331 * arm/constraints.md: New file.
1332 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1333 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1334 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1335 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1336 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1337 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1338 * arm.md: Include constraints.md.
1339 (thumb_movsi_insn): Use satisfies_constraint_J.
1340 (movhi, movqi): Use satisfies_constraint_I.
1342 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1344 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1345 for atmeg a645 device.
1347 2006-05-06 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/27151
1350 * tree-vect-transform.c (vectorizable_condition): Punt on
1351 values that have a different type than the condition.
1353 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1356 * c-parser.c (c_parser_cast_expression): Only insert casts into
1357 hash table if pointer.
1358 * function.c (used_types_insert_helper): Rename from
1360 (used_types_insert): Call used_types_insert_helper.
1361 * function.h (used_types_insert): Accept only one argument.
1363 2006-05-05 David Edelsohn <edesohn@gnu.org>
1365 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1366 scratch with output modifier.
1368 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1371 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1372 with output modifier.
1374 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1377 * config/mips/mips.c (mips_symbolic_address_p): Return true
1378 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1379 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1381 2006-05-04 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/14287
1384 PR tree-optimization/14844
1385 PR tree-optimization/19792
1386 PR tree-optimization/21608
1387 PR tree-optimization/27090
1388 * tree-ssa-pre.c (try_combine_conversion): New function.
1389 (compute_avail): After constructing the value-handle
1390 expression, use try_combine_conversion to combine NOP_EXPRs
1391 with previous value-handle expressions and use the result if it
1394 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1396 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1398 2006-05-04 Jan Hubicka <jh@suse.cz>
1401 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1403 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1405 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1406 that this only matches CONST_INTs. All users changed to VOIDmode
1409 * config/bfin/bfin.c: Include "optabs.h".
1410 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1412 (enum bfin_builtins): Add a number of fractional and vector builtins.
1413 (bfin_init_builtins): Likewise.
1414 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1415 (safe_vector_operand, bfin_expand_binop_builtin,
1416 bfin_expand_unop_builtin): New functions.
1417 (bfin_expand_builtin): Handle the new builtins.
1418 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1421 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1424 * Makefile.in (OBJS-common): Add see.o.
1425 (see.o): Add dependencies.
1426 * common.opt (fsee): New flag for the see optimization was added.
1427 * opts.c (flag_see): Initialized.
1428 * passes.c (init_optimization_passes, pass_see): New pass.
1429 * rtl.h (see_main): Declaration as extern.
1430 * timevar.def (TV_SEE): New.
1431 * tree-pass.h (pass_see): Declaration as extern.
1432 * invoke.texi (-fsee): Document.
1433 * recog.c (validate_simplify_insn): New function.
1434 * recog.h (validate_simplify_insn): Declaration as extern.
1435 * df-problems.c (df_chain_dump): Check for NULL.
1437 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1438 Daniel Berlin <dberlin@dberlin.org>
1440 * cfgrtl.c (insert_insn_bb_end_new): New function.
1441 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1443 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1445 * df.h (struct web_entry): Moved from web.c.
1446 (union_defs): Declaration as extern.
1447 (unionfind_root): Likewise.
1448 (unionfind_union): Likewise.
1449 * web.c (struct web_entry): Moved to df.h.
1450 (unionfind_root): Remove static declaration.
1451 (unionfind_union): Likewise.
1452 (union_defs): Likewise and generalize to use callback function.
1453 (web_main): Update arguments for union_defs function call.
1455 2006-05-04 Richard Guenther <rguenther@suse.de>
1457 PR tree-optimization/26447
1458 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1459 produce SSA_NAME copies before the store stmt to avoid
1460 breaking exception handling.
1462 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1465 * gimplify.c (omp_is_private): If var is shared in some outer context,
1466 return false instead of true. Stop searching on parallel context
1469 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1472 * coverage.c: Use get_gcov_unsigned_t() instead of
1473 unsigned_type_node all over.
1475 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1477 PR tree-optimization/27381
1478 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1479 maintain the same immediate_use links.
1480 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1481 node rather than segfaulting.
1483 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1486 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1487 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1488 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1490 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1492 Fix PR tree-optimization/26626
1493 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1495 * tree-ssa-operands.c (access_can_touch_variable): Allow
1496 typecasting through union pointers.
1498 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1501 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1502 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1503 to find if var will be a global variable even in the nested context.
1504 (omp_copy_decl): Only check for global variable at the end, it might
1505 be overridden in outer contexts.
1506 (scan_sharing_clauses): For global variables don't create a field.
1507 (lower_rec_input_clauses): Do nothing for global shared variables.
1508 Emit a barrier at the end of ILIST if there were any decls in both
1509 firstprivate and lastprivate clauses.
1510 (lower_send_clauses): Do nothing for global variables except for
1513 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1515 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1516 of the correct signedness is returned.
1518 2006-05-02 Jeff Law <law@redhat.com>
1520 PR tree-optimization/27364
1521 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1522 multiply expressions.
1524 2006-05-02 Tom Tromey <tromey@redhat.com>
1526 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1528 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1531 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1532 -mthumb -fPIC are used.
1534 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1535 Joshua Kinard <kumba@gentoo.org>
1538 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1539 with 64-bit pointers.
1541 2006-05-02 Paul Brook <paul@codesourcery.com>
1543 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1545 (create_fix_barrier): Check that a suitable barrier location is
1547 (arm_reorg): Include ftmp->address in allowable range of addresses.
1549 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1552 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1555 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1558 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1559 around RESULT_DECL for result passed by reference.
1560 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1561 * omp-low.c (use_pointer_for_field): Don't look at
1562 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1563 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1564 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1565 time or var for passing by reference for
1566 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1567 TREE_ADDRESSABLE variables when passing by reference.
1569 * omp-low.c (dump_omp_region): Fix output formatting.
1572 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1573 (expand_omp_parallel): Likewise.
1574 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1577 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1578 on statement list containing also constructors and destructors.
1579 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1582 * except.c (duplicate_eh_regions): Fix clearing of
1583 cfun->eh->region_array entries.
1585 2006-05-01 DJ Delorie <dj@redhat.com>
1587 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1589 (gcc_cv_objdump): Likewise.
1590 * configure: Regenerated.
1592 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1595 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1596 templates for case 3 and 4.
1598 2006-05-01 DJ Delorie <dj@redhat.com>
1600 * vec.c: Include bconfig.h when appropriate.
1601 * Makefile.in (build/vec.o): Adjust dependencies.
1602 * mkconfig.sh: Make sure config.h isn't used for build machine
1605 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1607 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1609 (mark_phi_for_rewrite): New function.
1610 (insert_phi_nodes_for, mark_use_interesting): Call
1611 mark_phi_for_rewrite.
1612 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1613 (update_ssa): Initialize and free phis_to_rewrite.
1615 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1617 PR rtl-optimization/27291
1618 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1619 folded to a constant.
1621 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1623 PR tree-optimization/27283
1624 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1625 not whole # of iteration descriptions.
1626 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1627 uses abnormal ssa name.
1628 (niter_for_single_dom_exit): Ditto.
1629 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1630 return just the number of iterations.
1632 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1634 PR tree-optimization/27144
1635 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1636 (record_estimate): Only record constant upper bound.
1637 (infer_loop_bounds_from_undefined): Call
1638 compute_estimated_nb_iterations just once.
1639 (proved_non_wrapping_p): Renamed to ...
1640 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1641 (convert_step_widening, scev_probably_wraps_p): Call
1642 n_of_executions_at_most instead of proved_non_wrapping_p.
1643 (substitute_in_loop_info): Do not replace values in bounds.
1644 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1647 2006-05-01 Richard Henderson <rth@redhat.com>
1650 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1651 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1654 2006-05-01 Roger Sayle <roger@eyesopen.com>
1656 * c-typeck.c (parser_build_binary_op): Don't call the function
1657 unsigned_conversion_warning to spot operand/result type overflow.
1658 (build_binary_op): Instead, call convert_and_check instead of
1659 convert to report the problem when the operands are promoted.
1660 * c-common.c (unsigned_conversion_warning): Make static.
1661 * c-common.h (unsigned_conversion_warning): Delete prototype.
1663 2006-05-01 Richard Guenther <rguenther@suse.de>
1665 PR tree-optimization/26726
1666 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1668 (find_interesting_uses_address): ... we work around here
1669 by folding INDIRECT_REFs in the substituted base.
1671 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1673 * omp-low.c (dump_omp_region): Add newlines.
1675 2006-04-30 Roger Sayle <roger@eyesopen.com>
1677 * common.opt (Woverflow): New command line option.
1678 * c-common.c (constant_expression_warning): Check warn_overflow.
1679 (overflow_waring): Pass OPT_Woverflow to warning.
1680 (unsigned_conversion_warning): Likewise.
1681 (convert_and_check): Likewise.
1682 * doc/invoke.texi: Document new command line option.
1684 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1686 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1687 TARGET_NO_FP_IN_TOC for section anchors.
1688 (optimization_options): Enable section anchors for all
1689 non-"Objective" languages.
1691 2006-04-28 Eric Christopher <echristo@apple.com>
1693 * config/darwin-c.c (darwin_ms_struct): Move this
1694 (darwin_set_default_type_attributes): and this...
1695 * config/darwin.c: ... here.
1696 * config/darwin.h (darwin_ms_struct): Declare.
1698 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1700 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1702 2006-04-28 Roger Sayle <roger@eyesopen.com>
1705 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1706 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1707 an unsigned HOST_WIDE_INT.
1708 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1710 (really_start_incremental_init): No need to call convert because
1711 bitsize_zero_node is already of type bitsizetype.
1712 (push_init_level): Extract the value of constructor_index as an
1713 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1714 (process_init_element): Likewise.
1716 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1718 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1719 value before passing to make_relative_prefix.
1721 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1724 * builtins.c (expand_builtin_memset): Expand val in original mode.
1726 2006-04-27 Eric Christopher <echristo@apple.com>
1728 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1729 with #ifndef/#endif.
1730 * config/darwin-c.c (darwin_ms_struct): New.
1731 (darwin_pragma_ms_struct): Ditto.
1732 (darwin_set_default_type_attributes): Ditto.
1733 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1734 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1735 Register ms_struct pragma.
1736 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1737 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1738 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1739 darwin_set_default_type_attributes if TARGET_MACHO.
1741 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1743 PR tree-optimization/26854
1744 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1745 * doc/tree-ssa.texi: Update immuse iterator documentation.
1746 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1747 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1748 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1749 first_safe_imm_use, next_safe_imm_use): Remove.
1750 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1751 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1752 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1753 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1754 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1755 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1756 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1757 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1758 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1759 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1760 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1761 (perfect_nestify): Use new iterator.
1762 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1764 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1765 (next_imm_name): New field in struct immediate_use_iterator_d.
1766 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1767 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1768 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1769 * tree-cfg.c (replace_uses_by): Use new iterator.
1770 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1771 * tree-ssa-operands.c (correct_use_link): Remove.
1772 (finalize_ssa_use_ops): No longer call correct_use_link.
1774 2006-04-27 Stuart Hastings <stuart@apple.com>
1776 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1777 * config/t-darwin (crt3.o): Use it.
1778 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1779 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1780 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1781 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1782 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1785 2006-04-27 Roger Sayle <roger@eyesopen.com>
1787 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1788 size, force the intermediate into a new pseudo rather instead of
1789 performing both a bitwise AND and a bitwise IOR in memory.
1791 2006-04-27 Richard Guenther <rguenther@suse.de>
1793 PR rtl-optimization/26685
1794 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1795 this one "max-flow-memory-locations".
1797 2006-04-27 Richard Guenther <rguenther@suse.de>
1799 PR tree-optimization/25148
1800 * tree-vrp.c (compare_values): Remove code dealing with
1801 comparisons against type min/max value. Honour overflow
1802 and negative constants in code dealing with comparisons
1803 of plus and minus expressions.
1804 (value_inside_range): Use fold_binary with LE_EXPR and
1805 GE_EXPR rather than compare_values.
1807 2006-04-27 Dirk Mueller <dmueller@suse.de>
1809 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1812 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1814 * basic-block.h (safe_insert_insn_on_edge): Removed.
1815 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1817 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1818 Paolo Bonzini <bonzini@gnu.org>
1821 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1822 (simplify_and_const_int): Same.
1824 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1826 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1828 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1831 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1832 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1833 cgraph_global_info_ready.
1836 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1839 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1840 either decl or init is error_mark_node.
1843 * tree-flow.h (struct omp_region): Add sched_kind.
1844 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1845 instead of extracting omp for data.
1846 (expand_omp_for): Save extracted sched_kind.
1848 2006-04-25 Roger Sayle <roger@eyesopen.com>
1850 * expmed.c (store_bit_field): Also check whether the bitsize is
1851 valid for the machine's "insv" instruction before moving the
1852 target into a pseudo for use with the insv.
1853 * config/i386/predicates.md (const8_operand): New predicate.
1854 * config/i386/i386.md (extv, extzv, insv): Use the new
1855 const8_operand predicate where appropriate.
1857 2006-04-25 DJ Delorie <dj@redhat.com>
1859 * doc/install.texi (Specific): Clarify that this is not a list of
1860 supported hosts or targets.
1862 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1864 PR rtl-optimization/26725
1865 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1866 block's BB_DIRTY flag.
1868 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1870 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1873 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1874 to print an integer.
1876 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1878 * varasm.c (align_variable): New function.
1879 (get_block_for_decl): Apply align_variable to DECL before
1880 calculating section information.
1881 (assemble_variable): Split out alignment computation.
1883 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1885 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1888 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1890 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1891 MODE_PARTIAL_INT mode.
1892 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1893 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1895 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1896 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1898 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1900 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1902 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1903 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1904 MACFLAG_IH): Likewise.
1905 (movstricthi_1): Renamed from "*movstricthi".
1906 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1907 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1908 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1909 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1910 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1911 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1912 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1913 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1914 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1915 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1916 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1917 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1918 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1919 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1920 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1922 * doc/rtl.texi (ss_ashift): Improve wording.
1924 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1926 * dwarf2out.c (verify_marks_clear): New.
1927 (prune_unused_types): Call verify_marks_clear initially, not
1930 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1932 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1933 * doc/rtl.texi: Document them.
1934 * simplify-rtx.c (simplify_unary_operation,
1935 simplify_binary_operation_1): Don't abort when we see them.
1937 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1940 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1941 * configure.ac: Completely disregard languages that are not
1943 * configure: Regenerated.
1945 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1946 Richard Guenther <rguenther@suse.de>
1948 PR tree-optimization/27236
1949 * tree-inline.c (copy_body_r): Make sure to copy
1950 TREE_THIS_VOLATILE flag.
1952 2006-04-24 Richard Guenther <rguenther@suse.de>
1955 * tree-complex.c (update_parameter_components): Don't handle
1956 unused parameters which have no default def.
1958 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1959 Richard Guenther <rguenther@suse.de>
1961 PR tree-optimization/27218
1962 * tree-inline.c (expand_call_inline): Strip useless type
1963 conversions for the return slot address.
1965 2006-04-24 Richard Guenther <rguenther@suse.de>
1967 * cfgloop.h (struct loops): Remove unused field array. Reorder
1969 (LOOP_PREFETCH): Remove.
1971 2006-04-24 Richard Guenther <rguenther@suse.de>
1973 PR tree-optimization/22525
1974 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1975 variable, adjust types of generated expressions.
1977 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1979 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1980 (tree-vect-patterns.o): Likewise.
1982 (cselib.o): Likewise.
1983 (loop-doloop.o): Likewise.
1984 (regclass.o): Likewise.
1985 (reload1.o): Likewise.
1986 (explow.o): Replace target.h with $(TARGET_H).
1987 (ipa-prop.o): Likewise.
1988 (ipa-cp.o): Likewise.
1989 (ipa-inline.o): Likewise.
1990 (reorg.o): Likewise.
1991 (reg-stack.o): Likewise.
1993 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1995 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1997 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1999 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2001 * configure.ac: Completely disregard languages that are not
2003 * configure: Regenerated.
2006 * c-common.h (c_build_bitfield_integer_type): Declare.
2007 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2008 * c-common.c (c_build_bitfield_integer_type): ... here.
2010 2006-04-23 Roger Sayle <roger@eyesopen.com>
2013 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2014 a SImode SUBREG of a floating point register after no_new_pseudos.
2016 2006-04-23 Roger Sayle <roger@eyesopen.com>
2018 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2019 identify potentially eliminable registers to additionally catch
2020 VIRTUAL_INCOMING_ARGS_REGNUM.
2021 (addsi3): Update the conditions on when to use addsi_small_int.
2023 2006-04-23 Roger Sayle <roger@eyesopen.com>
2026 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2027 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2028 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2030 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2032 * fold-const.c (range_predecessor): Use operand_equal_p
2033 as the predicate for equality.
2034 (range_successor): Likewise.
2036 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2039 * config/soft-fp/op-common.h: Fix a typo.
2041 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2044 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2045 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2047 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2049 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2051 * doc/tm.texi: Fix a typo.
2053 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2055 * dwarf2out.c (struct die_struct): Document that die_sib makes
2056 a circular linked list.
2057 (FOR_EACH_CHILD): New.
2058 (reverse_die_lists): Delete.
2059 (reverse_all_dies): Delete.
2060 (add_dwarf_attr): Correct documentation.
2061 (remove_child_with_prev): New.
2062 (remove_child_TAG): Update for change to die_struct, use
2063 remove_child_with_prev.
2064 (add_child_die): Update for change to die_struct.
2065 (splice_child_die): Use remove_child_with_prev and add_child_die.
2066 (print_die): Use FOR_EACH_CHILD.
2067 (die_checksum): Likewise.
2068 (assign_symbol_names): Likewise.
2069 (output_location_lists): Likewise.
2070 (build_abbrev_table): Likewise.
2071 (calc_die_sizes): Likewise.
2072 (mark_dies): Likewise.
2073 (unmark_dies): Likewise.
2074 (unmark_all_dies): Likewise.
2075 (output_die): Likewise.
2076 (prune_unused_types_mark): Likewise.
2077 (prune_unused_types_walk): Likewise.
2078 (same_die_p): Update for change to die_struct.
2079 (break_out_includes): Likewise.
2080 (prune_unused_types_prune): Likewise.
2081 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2082 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2084 (dwarf2out_finish): Don't call reverse_all_dies.
2086 2006-04-21 Eric Christopher <echristo@apple.com>
2088 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2089 in comments and function names.
2091 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2094 * c-typeck.c (digest_init): Robustify.
2096 * c-typeck.c (pop_init_level): Simplify.
2098 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2100 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2102 2006-04-21 Paul Brook <paul@codesourcery.com>
2104 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2105 hardware floating point.
2107 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2109 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2112 2006-04-21 Nick Clifton <nickc@redhat.com>
2114 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2117 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2120 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2121 C++ lang type in traceback table for Objective-C++.
2123 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2125 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2127 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2129 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2132 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2133 were errors. Remove check for erroneous objects.
2135 2006-04-20 Jeff Law <law@redhat.com>
2137 PR tree-optimization/26854
2138 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2139 checking for zero or one use.
2140 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2141 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2142 * tree-ssa-reassoc.c (negate_value): Similarly.
2143 (reassociate_bb): Similarly.
2145 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2147 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2148 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2149 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2151 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2153 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2154 fp regs if the last fp arg doesn't fit in regs.
2156 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2159 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2160 that the last insn has the REG_INC note.
2162 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2163 Nathan Sidwell <nathan@codesourcery.com>
2166 * stor-layout.c (update_alignment_for_field): Do not align
2168 (place_union_field): Place union field at the start of the union.
2169 (place_field): Move ERROR_MARK check later, and use the current
2170 allocation position to maintain monotonicity.
2172 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2174 * dominance.c: Include timevar.h.
2175 (calculate_dominance_info): Use TV_DOMINANCE.
2176 * timevar.def (TV_DOMINANCE): New timevar.
2177 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2179 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2181 PR rtl-optimization/14261
2182 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2183 move would be an INSV insn.
2184 (noce_process_if_block): Don't optimize if the destination is a
2185 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2187 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2189 * config/s390/s390.md: Add comments with the instructions emitted
2190 by an insn pattern if macros are used.
2192 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2194 PR rtl-optimization/26026
2195 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2196 is a known power of two shifted left a variable amount.
2198 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2200 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2201 to hash table twice when the debug_str section has SECTION_MERGE.
2203 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2205 * config/soft-fp: New directory. From glibc.
2206 * config/soft-fp/t-softfp: New.
2207 * config/soft-fp/README: New.
2208 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2209 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2210 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2211 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2212 * config.gcc: Use rs6000/t-fprules-fpbit or
2213 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2215 * config/rs6000/sfp-machine.h: New. Based on glibc.
2216 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2218 * config/rs6000/t-fprules: Remove fp-bit rules.
2219 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2220 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2221 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2222 (softfp_wrap_start, softfp_wrap_end): New.
2224 2006-04-18 DJ Delorie <dj@redhat.com>
2226 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2228 2006-04-18 Devang Patel <dpatel@apple.com>
2230 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2232 2006-04-18 Nick Clifton <nickc@redhat.com>
2234 * config/sh/t-symbian: Add rule to build sh-c.o
2235 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2236 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2237 (sh_symbian_encode_section_info): Likewise.
2239 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2241 * builtins.c (expand_builtin_strcmp): Cover label definition of
2242 do_libcall with HAVE_cmpstrnsi.
2244 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2246 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2248 * function.h (temp_slot_p): New.
2249 (function): Change the type of x_used_temp_slots to
2250 VEC(temp_slot_p,gc) *.
2252 2006-04-18 Nick Clifton <nickc@redhat.com>
2254 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2255 flag_strength_reduce.
2257 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2259 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2263 Partial revert of revision 112637
2264 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2265 Dale Johannesen <dalej@apple.com>
2268 * regclass.c (struct reg_pref): Update documentation.
2269 (regclass): Set prefclass to NO_REGS if memory is the best option.
2270 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2272 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2274 PR tree-optimization/26821
2275 * tree-ssa-math-opts.c (get_constant_one): New.
2276 (insert_reciprocals): Use it.
2278 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2280 * dwarf2out.c (free_AT): Delete.
2281 (remove_AT): Update string ref counts.
2282 (remove_child_TAG): Don't call free_die.
2284 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2285 or DW_TAG_GNU_EINCL.
2286 (prune_unused_types_walk_attribs): Reset string refcounts.
2287 (prune_unused_types_update_strings): New.
2288 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2289 call free_die. Do call prune_unused_types_update_strings.
2290 (prune_unused_types): Empty debug_str_hash.
2292 2006-04-17 Roger Sayle <roger@eyesopen.com>
2294 * expr.c (expand_assignment): Optimize away no-op moves where the
2295 source and destination are equal and have no side-effects.
2297 2006-04-17 Richard Guenther <rguenther@suse.de>
2300 * reload.c (push_reload): Guard calls to get_secondary_mem
2303 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2305 * alias.c (reg_base_value, old_reg_base_value): Change the
2306 type to VEC(rtx,gc) *.
2307 (REG_BASE_VALUE, find_base_value, record_set,
2308 init_alias_analysis): Use VEC instead of VARRAY.
2310 * alias.c (alias_sets): Change the type to
2311 VEC(alias_set_entry,gc) *.
2312 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2313 VEC instead of VARRAY.
2314 (last_alias_set): Remove.
2316 * cgraph.h (cgraph_edge_p): New.
2317 Update the prototype of cgraph_function_versioning.
2318 * cgraphunit.c (cgraph_copy_node_for_versioning,
2319 cgraph_function_versioning): Use VEC instead of VARRAY.
2320 * ipa-cp.c (ipcp_insert_stage): Likewise.
2322 2006-04-16 Roger Sayle <roger@eyesopen.com>
2325 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2326 "A op B" or "A op C", we may need to convert A to the type of B and C.
2328 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2330 * target.h (struct gcc_target): Add mode_rep_extended.
2331 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2332 (init_num_sign_bit_copies_in_rep): Initialize it using
2334 (truncate_to_mode): Use it.
2335 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2336 * targhooks.h (default_mode_rep_extended): Declare it.
2337 * targhooks.c (default_mode_rep_extended): Define it.
2338 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2339 default_mode_rep_extended.
2340 (TARGET_INITIALIZER): Include it.
2341 * doc/tm.texi (Misc): Document it.
2342 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2343 (mips_truncated_to_mode): New function.
2345 2006-04-16 Roger Sayle <roger@eyesopen.com>
2348 * expr.c (compress_float_constant): Copy the narrow constant into
2349 a new pseudo before extending it to its final width.
2351 2006-04-16 Roger Sayle <roger@eyesopen.com>
2352 Andrew Pinski <pinskia@gcc.gnu.org>
2353 Dale Johannesen <dalej@apple.com>
2356 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2357 special case code to implement V8HImode and V16QImode with SSE2.
2359 2006-04-15 Roger Sayle <roger@eyesopen.com>
2361 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2362 trees are constructed with a suitable tree type.
2364 2006-04-15 Roger Sayle <roger@eyesopen.com>
2366 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2367 (integer_onep): Likewise.
2368 (integer_all_onesp): Likewise.
2369 (integer_pow2p): Likewise.
2370 (integer_nonzerop): Likewise.
2371 (real_zerop): Likewise.
2372 (real_onep): Likewise.
2373 (real_twop): Likewise.
2374 (real_minus_onep): Likewise.
2375 (int_size_in_bytes): Likewise.
2376 (host_integerp): Likewise.
2378 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2380 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2381 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2382 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2384 * tree-ssa-structalias.h (alias_info): Remove num_references.
2386 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2388 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2389 (output_bvb patterns): Likewise.
2390 * pa.c (output_bb): Use 'bb' insn for long branch case.
2391 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2392 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2393 1. Correct length operand for alternatives 1 and 2.
2394 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2395 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2397 2006-04-14 Roger Sayle <roger@eyesopen.com>
2399 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2400 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2401 were accidentally reverted by r112959.
2403 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2406 * except.h (eh_region_outermost): New prototype.
2407 * except.c (eh_region_outermost): New function.
2408 * tree-cfg.c (find_outermost_region_in_block): Use it.
2410 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2412 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2414 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2415 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2416 (init_reload, reload): Use VEC instead of VARRAY.
2417 * reload.h: Update the prototype for
2418 reg_equiv_memory_loc_varray.
2420 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2421 Eric Botcazou <ebotcazou@libertysurf.fr>
2423 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2426 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2429 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2430 to expand fallback builtin function call.
2432 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2435 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2436 and emit libcall here in case the builtin fails.
2437 (expand_builtin_strcmp): Always emit the libcall here on failure.
2439 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2441 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2442 * flow.c (reg_n_info): Change the type to
2443 VEC(reg_info_p,heap) *.
2444 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2446 * regs.h (reg_info_p): New.
2447 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2448 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2449 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2452 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2454 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2456 * params.h (MAX_SCHED_READY_INSNS): New macro.
2457 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2458 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2459 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2460 the ready list for 1 cycle during the first scheduling pass.
2461 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2463 2006-04-13 Richard Henderson <rth@redhat.com>
2466 * gimple-low.c (lower_omp_directive): Remove dead code.
2467 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2468 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2469 * omp-low.c (struct omp_region): Move to tree-flow.h.
2470 (root_omp_region): Export.
2471 (omp_regions, lookup_omp_region): Remove.
2472 (determine_parallel_type): Update for struct omp_region changes.
2473 (dump_omp_region): Dump regions with block numbers.
2474 (new_omp_region): Take type and block instead of stmt; malloc
2476 (free_omp_region_1, free_omp_regions): New.
2477 (expand_parallel_call): Take entry_stmt as argument; update for
2478 changes to omp_region.
2479 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2480 (remove_exit_barriers): New.
2481 (expand_omp_parallel): Update for struct omp_region changes.
2482 (expand_omp_synch): Likewise.
2483 (expand_omp): Likewise.
2484 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2485 (expand_omp_for_static_chunk): Likewise.
2486 (expand_omp_for): Likewise.
2487 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2488 (expand_omp_sections): Similarly, with GOMP_sections_end.
2489 (expand_omp_single): New.
2490 (build_omp_regions_1): Update for OMP_CONTINUE.
2491 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2492 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2493 OMP_SECTIONS_SECTIONS.
2494 (lower_omp_single_simple): Don't emit barrier here.
2495 (lower_omp_single_copy): Likewise.
2496 (lower_omp_single): Fix bindings, and lower to straightline now.
2497 (lower_omp_master, lower_omp_ordered): Likewise.
2498 (lower_omp_critical): Likewise.
2499 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2500 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2501 omp edges, free it afterward.
2502 (make_omp_sections_edges): Remove.
2503 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2504 (move_stmt_r): Handle OMP_CONTINUE.
2505 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2506 statement pointers to basic blocks. Add type member.
2507 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2508 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2509 * tree-inline.c (estimate_num_insns_1): Likewise.
2510 * tree-pretty-print.c (dump_generic_node): Likewise.
2511 * tree-ssa-operands.c (get_expr_operands): Likewise.
2512 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2513 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2514 (OMP_CONTINUE): New.
2515 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2516 (OMP_SECTIONS_SECTIONS): Remove.
2517 (OMP_SECTION_LAST): New.
2518 (OMP_RETURN_NOWAIT): New.
2520 2006-04-13 Roger Sayle <roger@eyesopen.com>
2522 * fold-const.c (native_encode_vector, native_interpret_real):
2523 Correct obvious mistakes in the previous check-in.
2525 2006-04-13 Roger Sayle <roger@eyesopen.com>
2527 * fold-const.c (native_encode_expr): New function to encode
2528 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2529 or VECTOR_CST into a specified buffer.
2530 (native_encode_int): New function.
2531 (native_encode_real): New function.
2532 (native_encode_complex): New function.
2533 (native_encode_vector): New function.
2534 (native_interpret_expr): Inverse of native_encode_expr to convert
2535 a target representation into an INTEGER_CST, REAL_CST etc...
2536 (native_interpret_int): New function.
2537 (native_interpret_real): New function.
2538 (native_interpret_complex): New function.
2539 (native_interpret_vector): New function.
2540 (fold_view_convert_expr): New function to constant fold/evaluate
2541 a VIEW_CONVERT_EXPR of a suitable constant expression.
2542 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2543 Change call of build1 to fold_build1 when constructing a
2546 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2547 Ulrich Weigand <uweigand@de.ibm.com>
2550 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2553 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2556 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2557 optimize to lo_sum for DFmode if !TARGET_FPRS.
2559 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2561 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2562 delete_alias_info, compute_flow_sensitive_aliasing,
2563 group_aliases): Use VEC instead of VARRAY.
2564 * tree-ssa-structalias.c (update_alias_info): Likewise.
2565 * tree-ssa-structalias.h (alias_info): Change the type of
2566 processed_ptrs to VEC(tree,heap) *.
2568 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2571 * config/sh/lib1funcs.h: New file, broken out of:
2572 * config/sh/lib1funcs.asm.
2573 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2575 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2576 * config/sh/lib1funcs-Os-4-200.asm: New file.
2577 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2578 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2579 (EXTRA_MULTILIB_PARTS): Include it.
2580 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2581 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2582 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2583 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2586 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2588 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2589 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2590 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2592 * tree-ssa-live.h: Include vecprim.h.
2593 (tree_partition_associator_d): Change the type of
2594 first_partition to VEC(int,heap) *.
2595 (tpa_first_partition): Use VEC instead of VARRAY.
2597 * Makefile.in (GTFILES): Move functions.h after tree.h.
2598 * function.c (reset_block_changes, record_block_change,
2599 check_block_change, free_block_changes): Use VEC instead of
2601 * function.h (function): Change the type of
2602 ib_boundaries_block to VEC(tree,gc) *.
2603 * tree-inline.c (copy_cfg_body): Initialize
2604 ib_boundaries_block to NULL instead of (varray_type) 0.
2606 2006-04-12 Roger Sayle <roger@eyesopen.com>
2608 * expr.c (emit_group_store): Correct operand order in call to
2609 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2610 a SUBREG_BYTE of zero.
2612 2006-04-12 Richard Guenther <rguenther@suse.de>
2614 * profile.c (compute_branch_probabilities): Remove code
2615 encapsulated in !ir_type (), which are remanents of the
2616 removed RTL profiling code.
2617 * rtl-profile.c: Remove.
2619 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2621 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2622 magic NULL_RTX comment.
2623 (function_arg): Store entire fp arg to mem if any part should go
2625 (rs6000_arg_partial_bytes): Adjust for above change.
2627 2006-04-11 Roger Sayle <roger@eyesopen.com>
2629 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2630 if it hasn't been initialized by dwarf2out_init.
2632 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2634 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2635 symbolic constants in branch patterns.
2637 2006-04-11 Roger Sayle <roger@eyesopen.com>
2639 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2641 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2643 PR rtl-optimization/27073
2644 * gcse.c (try_replace_reg): Revert last change. Continue to search
2645 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2648 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2650 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2651 aggregate types other than record and union types.
2652 (function_arg): Likewise.
2653 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2655 (function_value): In 64-bit mode, return objects that require it
2658 2006-04-11 Roger Sayle <roger@eyesopen.com>
2660 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2662 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2664 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2666 2006-04-03 Jeff Law <law@redhat.com>
2669 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2670 alias information too.
2672 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2674 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2676 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2679 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2680 (premark_used_types_helper): New.
2681 (premark_used_types): New.
2682 (gen_subprogram_die): Call premark_used_types.
2683 (prune_unused_types_walk): Do not prune perennial dies.
2684 * function.c (used_types_insert): New.
2685 * function.h (struct function): Add used_types_hash field.
2686 (used_types_insert): Add prototype.
2687 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2688 * c-parser.c (c_parser_cast_expression): Save casted types in used
2691 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2694 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2695 rs6000_explicit_options.float_gprs.
2697 2006-04-10 Roger Sayle <roger@eyesopen.com>
2699 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2700 from ix86_expand_vector_init_low_nonzero. Take an additional
2701 one_var argument indicating which element is non-zero. Support
2702 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2703 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2704 with one_var instead of ix86_expand_vector_init_low_nonzero.
2706 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2708 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2709 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2710 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2711 build/genextract.o): Depend on vecprim.h.
2712 * cfglayout.c, df-problems.c, function.c, genextract.c,
2713 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2714 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2718 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2720 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2721 Declare VECs of this type.
2722 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2723 (remove_children): Delete.
2724 (add_dwarf_attr): Use VEC routines.
2725 (add_AT_flag): Update for changes to add_dwarf_attr.
2726 (add_AT_int): Likewise.
2727 (add_AT_unsigned): Likewise.
2728 (add_AT_long_long): Likewise.
2729 (add_AT_vec): Likewise.
2730 (add_AT_string): Likewise.
2731 (add_AT_die_ref): Likewise.
2732 (add_AT_fde_ref): Likewise.
2733 (add_AT_loc): Likewise.
2734 (add_AT_loc_list): Likewise.
2735 (add_AT_addr): Likewise.
2736 (add_AT_lbl_id): Likewise.
2737 (add_AT_lineptr): Likewise.
2738 (add_AT_macptr): Likewise.
2739 (add_AT_offset): Likewise.
2740 (add_AT_range_list): Likewise.
2741 (get_AT): Use VEC_iterate.
2742 (remove_AT): Use VEC_ordered_remove.
2743 (free_die): Fold remove_children into here; have it use VEC_iterate.
2744 (print_die): Use VEC_iterate on attrs.
2745 (reverse_die_lists): Don't reverse attr lists.
2746 (die_checksum): Use VEC_iterate on attrs.
2747 (same_die_p): Likewise.
2748 (output_location_lists): Likewise.
2749 (build_abbrev_table): Likewise.
2750 (size_of_die): Likewise.
2751 (unmark_all_dies): Likewise.
2752 (output_abbrev_section): Likewise.
2753 (output_die): Likewise.
2754 (prune_unused_types_walk_attribs): Likewise.
2756 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2758 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2760 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2763 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2765 2006-04-09 Roger Sayle <roger@eyesopen.com>
2767 * expr.c (store_constructor): Don't bother clearing target if
2768 we're about to assign a vector to it using vec_init_optab.
2770 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2772 * tree-ssa-alias.c (lhs_may_store_to): New function.
2773 (recalculate_used_alone): Handle LHS of calls.
2775 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2779 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2780 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2781 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2782 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2783 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2784 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2785 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2786 stubs. Add ".align 8" directives before all ".dword" directives.
2787 (GTHREAD_USE_WEAK): Revise comment.
2788 (TARGET_ATTRIBUTE_WEAK): Define.
2789 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2790 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2791 * stublib.c: New file.
2796 * pa.md (cbranch patterns): Revise arguments used in calls to
2797 output_cbranch, output_bb and output_bvd. Add long branch length
2799 (fbranch patterns): Handle long branches.
2800 (jump): Revise length check. Revise arguments for output_lbranch call.
2801 Add long branch length attributes.
2802 (decrement_and_branch_until_zero): Add long branch length attributes.
2803 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2804 Likewise. Revise arguments for output_parallel_addb and
2805 output_parallel_movb calls.
2806 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2807 output_parallel_movb and output_parallel_addb): Update prototypes.
2808 * pa.c (output_cbranch): Revise arguments. Correct handling of
2809 nullification in long branches.
2810 (output_lbranch): Add new argument to control extraction of delay
2812 (output_bb): Handle long branches.
2813 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2814 output_parallel_addb): Likewise.
2816 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2818 PR rtl-optimization/27073
2819 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2822 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2824 * tree.h (tree_memory_tag): Add old_used_alone.
2825 (SMT_OLD_USED_ALONE): New macro.
2826 * tree-ssa-alias.c (recalculate_used_alone): Stop
2827 marking things for renaming unnecessarily.
2829 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2831 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2832 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2833 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2834 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2835 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2836 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2837 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2838 spelling convensions.
2839 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2840 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2841 typos. Follow spelling conventions.
2843 2006-04-07 DJ Delorie <dj@redhat.com>
2845 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2846 passed on the stack.
2847 (m32c_init_cumulative_args): When a function returns a structure,
2848 always pass the pointer to that return area on the stack.
2849 (m32c_function_arg_advance): Don't increment the parameter number
2850 if we're processing the returned structure pointer.
2851 (pushm_info): Reverse order of registers.
2853 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2855 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2856 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2857 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2858 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2860 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2861 chrec_fold_multiply): Same.
2862 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2863 force_expr_to_var_cost): Same.
2864 * tree-mudflap.c (mf_xform_derefs_1): Same.
2865 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2867 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2869 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2870 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2873 2006-04-07 Jan Hubicka <jh@suse.cz>
2875 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2877 2006-04-07 Richard Guenther <rguenther@suse.de>
2879 PR tree-optimization/26135
2880 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2881 loads for store copy-prop.
2882 (copy_prop_visit_stmt): Likewise.
2884 2006-04-05 Robert Millan <robertmh@gnu.org>
2886 * config/i386/linux.h: Add a comment to mark macros that are
2887 being overriden in config/k*bsd-gnu.h.
2888 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2890 * config/knetbsd-gnu.h: Ditto.
2892 2006-04-06 Jan Hubicka <jh@suse.cz>
2896 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2899 2006-04-06 Mike Stump <mrs@apple.com>
2901 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2902 for HAVE_nonlocal_goto to be consistent.
2903 (expand_builtin_nonlocal_goto): Likewise.
2904 (expand_builtin_strcmp): Use #ifdef instead of #if
2905 for HAVE_cmpstrnsi to be consistent.
2907 2006-04-05 DJ Delorie <dj@redhat.com>
2909 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2912 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2914 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2915 got-relative addressing for anything but SImode.
2917 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2918 even if the calling function doesn't modify them.
2920 2006-04-05 Richard Guenther <rguenther@suse.de>
2922 PR tree-optimization/26919
2923 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2924 to cgraph_estimate_size_after_inlining.
2926 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2928 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2930 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2932 PR tree-optimization/26996
2933 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2934 VECTOR_TYPE variables.
2936 2006-04-05 Richard Guenther <rguenther@suse.de>
2938 PR tree-optimization/26763
2939 * fold-const.c (fold_comparison): Move folding of
2940 PTR + CST CMP PTR + CST ...
2941 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2943 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2945 * doc/install.texi (Prerequisites): Refine some wording on
2946 bootstrapping and ksh.
2947 Move the version numbers of DejaGnu here from the testing section
2948 and fix casing of names.
2949 Fix markup and clarify wording for autogen requirements.
2950 Refer to GCJ instead of just java.
2951 Refer to SVN instead of CVS.
2952 Describe diffutils as useful instead of necessary.
2953 (Downloading the source): Refer to SVN instead of CVS.
2954 Adjust a link to our web site accordingly.
2955 (Configuration): Fix casing of Bison.
2956 (Building): Refer to SVN instead of CVS.
2957 Fix a sentence on the use of Bison and remove duplicate (and
2958 incorrect) version number of Bison requirement.
2959 Remove one redundant list of packages needed for building.
2960 (Specific): Avoid reference to CVS.
2962 2006-04-04 Eric Christopher <echristo@apple.com>
2964 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2965 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2966 (rs6000_handle_struct_attribute): New.
2967 (rs6000_ms_bitfield_layout_p): Ditto.
2969 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2971 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2972 NULL for dso parameter to atexit_common.
2974 2006-04-04 Eric Christopher <echristo@apple.com>
2976 * config/i386/i386.c (machopic_output_stub): Output \t
2977 between instructions and operands.
2979 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2981 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2982 satisfies_constraint_[IL] to explicit tests on value.
2984 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2986 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2987 set_nb_iterations_in_loop): Use build_int_cst instead of
2989 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2990 build_int_cst instead of convert.
2992 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2994 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2995 new value 2 for incoming.
2996 * function.c (expand_function_start): Call struct_value_rtx
2998 * config/sparc/sparc.md: Comment updated_return.
2999 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3000 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3001 struct return if sparc_std_struct_return and incoming is 2.
3002 (print_operand): Do not adjust return if
3003 sparc_std_struct_return.
3005 2006-04-04 Roger Sayle <roger@eyesopen.com>
3007 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3008 convert in the middle-end.
3009 * expr.c (store_expr, store_constructor, get_inner_reference,
3010 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3012 * tree.c (build_range_type): Likewise.
3014 2006-04-04 Tom Tromey <tromey@redhat.com>
3016 * doc/install.texi (Prerequisites): Mention jar.
3018 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3020 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3023 2006-04-04 Matthias Klose <doko@debian.org>
3025 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3026 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3029 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3031 * doc/extend.texi (Function Attributes): Rewrite visibility
3032 attribute documentation.
3033 * doc/invoke.texi (C++ Dialect Options): Rewrite
3034 -fvisibility-inlines-hidden documentation to describe something
3035 entirely different, although in practise compatible.
3036 (Code Gen Options): Warn about system headers in -fvisibility=
3039 * doc/extend.texi (Other Builtins): Document that
3040 __builtin_nan is a compile-time constant only when its argument
3043 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3045 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3046 trying to remove TRUNCATE check if all bits outside the new mode
3047 are identical to the sign bit.
3049 2006-04-03 Jeff Law <law@redhat.com>
3051 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3052 and operand scanning in some common cases.
3054 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3055 Dale Johannesen <dalej@apple.com>
3058 * regclass.c (struct reg_pref): Update documentation.
3059 (regclass): Set prefclass to NO_REGS if memory is the best option.
3060 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3061 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3062 into account. For non-registers, equate an empty preferred
3063 reload class to a `!' in the constraint; move the if clause to
3064 do so after those that reject the insn.
3065 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3067 (find_dummy_reload): Likewise.
3068 * doc/tm.texi (Register Classes): Document what it means
3069 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3070 * config/i386/i386.c (ix86_preferred_reload_class): Force
3071 using SSE registers (and return NO_REGS for floating-point
3072 constants) if math is done with SSE.
3073 (ix86_preferred_output_reload_class): New.
3074 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3075 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3076 * config/i386/i386.md: Remove # register preferences.
3078 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3081 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3082 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3083 the type of nb_iter.
3084 (instantiate_parameters_1): Convert the operands before calling
3085 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3086 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3088 2006-04-02 Roger Sayle <roger@eyesopen.com>
3090 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3091 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3093 * dojump.c (do_jump): Likewise.
3094 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3095 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3096 gimplify_boolean_expr): Likewise.
3097 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3098 * varasm.c (array_size_for_constructor): Likewise.
3099 * tree-object-size.c (compute_object_offset): Likewise.
3101 2006-04-02 Roger Sayle <roger@eyesopen.com>
3104 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3105 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3107 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3109 PR tree-optimization/26939
3110 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3112 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3114 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3115 at_stmt. Convert the type of operands before calling
3116 build_polynomial_chrec.
3117 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3119 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3120 (instantiate_parameters_1): Convert the type of operands before calling
3121 build_polynomial_chrec.
3122 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3123 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3124 reset_evolution_in_loop): Insert asserts to check the types of the
3126 (chrec_type): Moved...
3127 (eq_evolutions_p): Use operand_equal_p.
3128 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3129 the types of the operands.
3130 (chrec_type): ...here.
3131 * tree-data-ref.c (create_data_ref): Convert the operands before
3132 calling chrec_replace_initial_condition.
3133 (same_access_functions, analyze_subscript_affine_affine,
3134 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3135 (compute_subscript_distance, analyze_ziv_subscript,
3136 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3137 analyze_miv_subscript): Convert the operands before calling
3138 chrec_fold_minus or chrec_fold_plus.
3140 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3142 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3143 the dependence_relations vector.
3144 (compute_data_dependences_for_loop): Adjust call to
3145 compute_all_dependences.
3147 2006-04-01 Roger Sayle <roger@eyesopen.com>
3148 Richard Henderson <rth@redhat.com>
3150 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3151 gimple_boolify on the condition before calling gimplify_expr.
3153 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3155 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3156 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3157 the frame size. Update to use the new macros.
3158 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3159 * config/xtensa/ieee754-df.S: Likewise.
3161 2006-03-31 Richard Henderson <rth@redhat.com>
3163 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3164 (make_edges): ... here. Control fallthru creation with a local
3165 variable. Do not play with fake edges.
3166 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3167 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3170 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3172 * dwarf2.h (DW64_CIE_ID): Define.
3173 * dwarf2out.c (DWARF_CIE_ID): Define.
3174 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3175 length header. Use DWARF_CIE_ID.
3176 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3177 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3179 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3181 * config/sh/linux-atomic.asm: New file.
3182 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3184 2006-03-31 DJ Delorie <dj@redhat.com>
3186 * config/m32c/cond.md: Set condition flags properly throughout.
3187 * config/m32c/minmax.md: Likewise.
3188 * config/m32c/prologue.md: Likewise.
3189 * config/m32c/bitops.md: Likewise.
3190 * config/m32c/muldiv.md: Likewise.
3191 * config/m32c/mov.md: Likewise.
3192 * config/m32c/addsub.md: Likewise.
3193 * config/m32c/m32c.md: Likewise.
3194 * config/m32c/jump.md: Likewise.
3195 * config/m32c/shift.md: Likewise.
3197 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3198 conditionally output the pattern for this.
3199 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3200 (m32c_compare_redundant): New.
3201 (m32c_output_compare): New.
3202 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3204 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3205 dest, not src. Allow other 4-byte modes.
3207 2006-03-30 Denis Chertykov <denisc@overta.ru>
3209 * doc/md.texi: Refer to avr/constraints.md instead of
3212 2006-03-30 Roger Sayle <roger@eyesopen.com>
3214 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3215 signed vs. unsigned comparison failures on some hosts.
3217 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3220 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3221 change to FLOAT_REGS.
3223 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3224 (rs6000_override_options): Use it.
3225 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3226 only for -mabi=spe/no-spe and -mabi=altivec.
3228 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3230 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3233 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3235 * Makefile.in: Rename docdir to gcc_docdir.
3237 2006-03-30 Roger Sayle <roger@eyesopen.com>
3240 * expr.c (emit_group_store): Optimize group stores into a pseudo
3241 register by using a paradoxical subreg to initialize the destination
3242 if the first or last member of the group specifies a "low part".
3244 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3247 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3248 * target.h (struct gcc_target.speculate_insn): Change type of the
3249 second parameter to 'int'.
3250 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3251 the second operand of the DEPS_LIST.
3252 (copy_DEPS_LIST_list): Update reference to the second operand of the
3254 * rtl.h (alloc_DEPS_LIST): Update signature.
3255 * sched-int.h (ds_t): Change typedef to 'int'.
3256 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3258 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3260 * haifa-sched.c (try_ready): Change condition to restore
3261 non-speculative pattern of the instruction.
3262 (process_insn_depend_be_in_spec): Code to keep probability of the
3263 speculative dependence non-decreasing.
3265 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3267 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3268 (single_move_for_movmem): ... this. Also change all uses.
3269 (bfin_expand_strmov): Renamed to...
3270 (bfin_expand_movmem): ... this. Also change all uses.
3271 * config/bfin/bfin.md (movstrsi): Renamed to...
3272 (movstrsi): ...this.
3274 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3276 PR tree-optimization/26830
3278 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3279 (copy_prop_visit_stmt): Remove write-only variable ann.
3280 (init_copy_prop): Check variable loop depth here. Do not simulate
3281 memory-tag and virtual operand PHIs except for store copy prop.
3283 2006-03-30 Richard Guenther <rguenther@suse.de>
3285 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3286 variants with double arguments.
3288 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3290 * genpreds.c (write_tm_constrs_h): Delete variable p.
3291 * genconditions.c (write_header): Add tm-constrs.h to included
3293 * genpeep.c (main): Add toplev.h to included headers.
3294 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3295 (build/genpeep.o): Add toplev.h dependency.
3296 * config/rs6000/constraints.md: Add "W" constraint.
3298 2006-03-29 Roger Sayle <roger@eyesopen.com>
3300 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3301 sizes by correctly testing whether the size fits a host integer.
3302 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3303 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3304 SImode range for the default sizetype and bitsizetype.
3306 2006-03-29 Roger Sayle <roger@eyesopen.com>
3308 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3309 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3310 quickly if the argument is already of the correct type.
3311 Call fold_build1 instead of build1. Tidy up blank lines.
3313 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3315 * genemit.c (main): Add tm-constrs.h to included headers.
3316 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3317 * genpeep.c (main): Add tm-constrs.h to included headers.
3318 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3319 (write_tm_constrs_h): this and write complete file.
3320 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3321 (write_insn_preds_c): Add tm-constrs.h to included headers.
3322 (gen_constrs): New variable.
3323 (parse_option): Parse "-c".
3324 (main): Invoke write_tm_constrs_h.
3325 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3326 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3327 (object_out_file): Add tm-constrs.h dependency.
3328 (insn-emit.o): Same.
3329 (insn-output.o): Same.
3330 (insn-peep.o): Same.
3331 (insn-preds.o): Same.
3332 (insn-recog.o): Same.
3333 (tm-constsr.h): New target.
3334 (s-constrs-h): New target.
3336 * config/rs6000/constraints.md: New file.
3337 * config/rs6000/rs6000.c: Include tm-constrs.h.
3338 (num_insn_constant_wide): Convert to satisfies_constraint.
3339 (rs6000_rtx_costs): Convert to satisfies_constraint.
3340 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3341 (CONST_OK_FOR_LETTER_P): Delete.
3342 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3343 (EXTRA_CONSTRAINT): Delete.
3344 (EXTRA_MEMORY_CONSTRAINT): Delete.
3345 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3346 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3347 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3348 satisfies_constraint.
3350 * config/i386/i386.c: Include tm-constrs.h.
3352 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3354 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3355 * tree-data-ref.c (find_data_references_in_loop,
3356 compute_data_dependences_for_loop): Use pointers to VEC.
3357 (analyze_all_data_dependences): Adjust calls.
3358 * tree-data-ref.h (find_data_references_in_loop,
3359 compute_data_dependences_for_loop): Adjust declarations.
3360 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3361 compute_data_dependences_for_loop.
3363 2006-03-29 Paul Brook <paul@codesourcery.com>
3365 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3368 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3370 PR tree-optimization/26859
3371 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3373 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3374 for the step after fold_convert.
3376 2006-03-29 Paul Brook <paul@codesourcery.com>
3378 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3379 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3381 2006-03-29 Paul Brook <paul@codesourcery.com>
3384 * targhooks.c (default_narrow_bitfield): New fuction.
3385 * targhooks.h (default_narrow_bitfield): add prototype.
3386 * target.h (gcc_target): Add narrow_volatile_bitfield.
3387 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3388 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3389 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3390 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3392 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3394 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3396 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3397 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3398 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3399 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3400 (s390_function_arg_float): Allow SDmode and DDmode values to be
3401 passed in floating point registers.
3402 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3403 check with SCALAR_FLOAT_MODE_P.
3404 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3406 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3408 PR tree-optimization/25985
3409 * tree-ssa-loop-niter.c (number_of_iterations_le,
3410 number_of_iterations_ne): Make comments more precise.
3411 (number_of_iterations_cond): Add only_exit argument. Use the
3412 fact that signed variables do not overflow only when only_exit
3414 (loop_only_exit_p): New.
3415 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3416 number_of_iterations_cond.
3418 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3420 PR tree-optimization/26643
3421 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3424 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3426 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3427 (divsi3_i4_int): Likewise.
3429 2006-03-28 Roger Sayle <roger@eyesopen.com>
3431 * expr.c (emit_group_store): Only create a new pseudo reg if the
3432 quantity it needs to hold isn't already a suitable pseudo.
3434 2006-03-28 Jeff Law <law@redhat.com>
3436 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3437 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3439 2006-03-28 Roger Sayle <roger@eyesopen.com>
3441 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3442 the equivalent ~X & Y, and the symmetry related transformations.
3443 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3444 ~X & Y, and symmetry related transforms.
3446 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3448 Revert my 2006-03-27 patches.
3450 2006-03-28 Roger Sayle <roger@eyesopen.com>
3452 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3453 ~(T1)X, when T1 and T2 are integer types of the same precision
3454 and (T2)X isn't an extension.
3456 2006-03-28 Jeff Law <law@redhat.com>
3458 PR tree-optimization/26796
3459 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3460 need EH edge cleanups rather than purging them immediately.
3461 (eliminate_degenerate_phis): Handle queued EH cleanups.
3463 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3465 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3468 2006-03-27 Roger Sayle <roger@eyesopen.com>
3471 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3472 cast BIT_NOT_EXPR operand to the correct type.
3474 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3476 * tree-loop-linear.c: Don't include varray.h.
3477 (gather_interchange_stats, try_interchange_loops,
3478 linear_transform_loops): Use VEC instead of VARRAY.
3479 * lambda-mat.c: Don't include varray.h.
3480 * tree-chrec.c: Same.
3481 * lambda-trans.c: Same.
3482 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3483 VEC instead of VARRAY.
3484 * tree-vectorizer.h: Idem.
3485 * tree-data-ref.c (dump_data_references,
3486 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3487 initialize_data_dependence_relation, finalize_ddr_dependent,
3488 compute_all_dependences, find_data_references_in_loop,
3489 compute_data_dependences_for_loop, analyze_all_data_dependences,
3490 free_dependence_relation, free_dependence_relations,
3491 free_data_refs): Idem.
3492 * tree-data-ref.h (data_reference_p, subscript_p): New.
3493 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3494 VEC instead of VARRAY.
3495 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3496 (find_data_references_in_loop, compute_data_dependences_for_loop,
3497 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3498 dump_data_dependence_relations, free_dependence_relations,
3499 free_data_refs): Adjust declaration.
3500 (lambda_transform_legal_p): Move declaration here...
3501 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3502 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3503 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3504 vect_analyze_data_refs): Use VEC instead of VARRAY.
3505 * lambda.h (lambda_transform_legal_p): ...from here.
3506 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3507 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3508 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3509 tree-chrec.o): Don't depend on VARRAY_H.
3511 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3513 * rtl.def (Copyright): Update date.
3514 (DEPS_LIST): Change type of the second operand to 'int'.
3515 * target.h (Copyright): Update date.
3516 (struct gcc_target.speculate_insn): Change type of the second parameter
3518 * lists.c (Copyright): Update date.
3519 (alloc_DEPS_LIST): Change signature. Update reference to the second
3520 operand of the DEPS_LIST.
3521 (copy_DEPS_LIST_list): Update reference to the second operand of the
3523 * rtl.h (Copyright): Update date.
3524 (alloc_DEPS_LIST): Update signature.
3525 * sched-int.h (Copyright): Update date.
3526 (ds_t): Change typedef to 'int'.
3527 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3529 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3531 * haifa-sched.c (Copyright): Update date.
3532 (try_ready): Change condition to restore non-speculative pattern
3534 (process_insn_depend_be_in_spec): Code to keep probability of the
3535 speculative dependence non-decreasing.
3537 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3539 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3540 shut up the compiler.
3542 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3544 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3545 to use lib prefix for target.
3546 ($(T)libic_invalidate_array_4-200.a): Likewise.
3547 ($(T)libic_invalidate_array_4a.a): Likewise.
3549 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3550 J"orn Rennecke <joern.rennecke@st.com>
3552 * superh.opt: New file.
3553 * sh.c (boardtype, osruntime): Remove.
3554 * superh.h (SUBTARGET_OPTIONS): Remove.
3555 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3557 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3558 arguments with ^ and/or [].
3560 * config.gcc (sh-*-*): Add quoting to account for quirk of
3562 Replace == with = in enable_incomplete_targets test.
3564 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3565 with MASK_LITTLE_ENDIAN.
3567 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3568 * config/sh/sh.opt: Added to some comments.
3569 * config/sh/superh.h: Removed some chaff.
3571 * config/sh/sh.opt: Add m4-[1234]00* options.
3572 * config/sh/sh.c (sh_handle_option): Likewise.
3573 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3574 (ic_invalidate_array_4-100.o): New rule.
3575 ($(T)libic_invalidate_array_4-100.a): Likewise.
3576 (ic_invalidate_array_4-200.o): Likewise.
3577 ($(T)libic_invalidate_array_4-200.a): Likewise.
3578 (ic_invalidate_array_4a.o): Likewise.
3579 ($(T)libic_invalidate_array_4a.a): Likewise.
3580 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3581 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3583 * config/sh/crt1.asm: Merged in profiling code.
3584 * config/sh/superh.h (STARTFILE_SPEC): Override.
3585 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3586 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3587 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3589 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3590 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3591 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3593 * sh.opt (mpretend-cmove): New option.
3594 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3595 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3596 (movsicc): Add TARGET_PRETEND_CMOVE code.
3598 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3600 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3601 s390_class_max_nregs): New function prototypes.
3602 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3603 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3604 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3605 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3607 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3609 * dwarf2out.c (add_location_or_const_value_attribute): Call
3610 tree_add_const_value_attribute if nothing else works.
3611 (reference_to_unused): New.
3612 (rtl_for_decl_init): Use reference_to_unused to decide whether
3613 to output an initializer.
3615 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3618 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3619 peephole removing spe frob_di_df_2.
3621 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3623 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3624 (subscript_dependence_tester_1): Declared.
3625 (print_dir_vectors, print_dist_vectors): New.
3626 (debug_data_dependence_relation): New.
3627 (dump_data_dependence_relation): Print more details.
3628 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3629 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3630 (save_dist_v, save_dir_v, add_outer_distances,
3631 build_classic_dist_vector_1): New.
3632 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3633 Don't test for lambda_vector_lexico_pos.
3634 (same_access_functions, add_multivariate_self_dist,
3635 add_other_self_distances, dir_from_dist): New.
3636 (build_classic_dir_vector): Replace implementation almost identical to
3637 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3639 (subscript_dependence_tester_1): New.
3640 (subscript_dependence_tester): Handle the lexicographically negative
3641 distance vectors by recomputing the dependence relation.
3642 (compute_affine_dependence): Remove parameter loop_nest_depth.
3643 (compute_self_dependence): Don't call compute_subscript_distance.
3644 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3645 Add a parameter for the loop_nest.
3646 (find_loop_nest_1, find_loop_nest): New.
3647 (compute_data_dependences_for_loop): Compute the loop nest, and give
3648 up if the nest is not well formed.
3649 * tree-data-ref.h (loop_p): New.
3650 (struct data_dependence_relation): Replace size_vect field with
3651 loop_nest, a vec of loops.
3652 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3653 (DDR_LOOP_NEST): New.
3654 (print_dir_vectors, print_dist_vectors,
3655 debug_data_dependence_relation): Declared.
3656 (index_in_loop_nest): New.
3657 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3658 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3661 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3663 * simplify-rtx.c (simplify_relational_operation): Call
3664 simplify_relational_operation_1 even if mode is VOIDmode.
3666 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3668 PR tree-optimization/26804
3669 * tree.h (DECL_CALL_CLOBBERED): New macro.
3670 (tree_decl_common): Add call_clobbered_flag.
3671 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3672 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3673 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3674 (mark_non_addressable): Ditto.
3675 * tree-ssa.c (verify_call_clobbered): New function.
3676 (verify_alias_info): Use it.
3677 * tree-pass.h (pass_reset_cc_flags): New prototype.
3678 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3679 (reset_cc_flags): New function.
3680 * passes.c (init_optimization_passes): Call reset_cc_flags after
3681 initializing referenced_vars.
3683 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3684 Roger Sayle <roger@eyesopen.com>
3687 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3688 to 1.0 for non-real operands. Implement A / A optimization for
3691 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3693 * config/i386/i386.c (size_cost): Correct the comment for
3694 cost of storing fp registers.
3695 (i386_cost): Likewise.
3696 (i486_cost): Likewise.
3697 (pentium_cost): Likewise.
3698 (pentiumpro_cost): Likewise.
3699 (k6_cost): Likewise.
3700 (athlon_cost): Likewise.
3701 (k8_cost): Likewise.
3702 (pentium4_cost): Likewise.
3703 (nocona_cost): Likewise.
3704 (generic64_cost): Likewise.
3705 (generic32_cost): Likewise.
3707 2006-03-24 Denis Chertykov <denisc@overta.ru>
3709 * config/avr/avr-protos.h (extra_constraint): Delete.
3710 (extra_constraint_Q): New declaration.
3711 * config/avr/constraints.md: New file.
3712 * config/avr/avr.md: Include it.
3713 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3714 (TMP_REGNO, ZERO_REGNO): Likewise.
3715 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3716 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3717 (extra_constraint): Delete.
3718 (extra_constraint_Q): Test for memory constraint 'Q'.
3719 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3720 (REG_CLASS_FROM_LETTER): Delete.
3721 (CONST_OK_FOR_LETTER_P): Delete.
3722 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3723 (EXTRA_CONSTRAINT): Delete.
3724 (TMP_REGNO): Delete.
3725 (ZERO_REGNO): Delete.
3727 2006-03-24 Jeff Law <law@redhat.com>
3729 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3730 directly. Call mark_new_vars_to_rename slightly earlier.
3732 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3734 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3736 (gen_compile_unit_die): Use new language types for Objective-C and
3738 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3739 DW_LANG_C_plus_plus.
3742 * config/t-darwin (crt3.o): Work around bug 26840.
3743 * config/darwin-crt3.c: Rewrite.
3744 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3746 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3748 * doc/invoke.texi: Document -femit-class-debug-always
3749 * common.opt: Add -femit-class-debug-always.
3751 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3753 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3754 index and base register.
3755 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3756 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3757 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3758 REGNO_OK_FOR_INDEX_P.
3759 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3761 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3762 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3763 REG_OK_FOR_BASE_P): Definitions removed.
3765 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3768 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3769 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3770 set yet or weren't marked as local yet.
3772 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3774 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3777 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3779 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3780 (rs6000_legitimate_small_data_p): Delete.
3781 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3782 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3783 and make static. Add forward declaration. Update uses.
3784 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3785 of offsettable_memref_p.
3786 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3787 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3789 2006-03-24 Jeff Law <law@redhat.com>
3791 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3792 around bug in immediate-use iterator.
3794 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3797 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3798 or __LITTLE_ENDIAN__.
3800 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3802 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3803 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3804 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3805 * config/sh/sh.opt (mdiv=): Amend description.
3806 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3807 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3808 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3809 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3810 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3811 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3812 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3813 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3814 TARGET_DIVIDE_CALL_FP.
3816 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3818 * haifa-sched.c (choose_ready): Fix type of the local variable.
3819 Move local variables. Add comment.
3820 (check_reg_live): Change signature. Make callable from debugger.
3821 * sched-int.h (check_reg_live): Update signature.
3822 * sched-ebb.c (check_reg_live): Update parameters.
3823 * sched-rgn.c (check_reg_live): Ditto.
3824 (region_head_or_leaf_p): Check pointer before dereferencing.
3825 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3826 before reload on optimization levels below 1.
3828 2006-03-23 Richard Henderson <rth@redhat.com>
3830 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3834 * config/alpha/predicates.md (local_symbolic_operand): Reject
3837 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3840 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3841 expressions which have overflowed constants.
3843 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3845 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3847 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3849 * cfgloopmanip.c (create_loop_notes): Removed.
3850 * final.c (final_scan_insn): Do not handle loop notes.
3851 * jump.c (squeeze_notes): Ditto.
3852 * cfglayout.c (skip_insns_after_block,
3853 duplicate_insn_chain): Ditto.
3854 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3856 * cfgloop.h (create_loop_notes): Declaration removed.
3858 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3860 * varasm.c (output_constant_pool): Restore fnname and fndecl
3862 (assemble_start_function): Adjust call accordingly.
3863 (assemble_end_function): Likewise.
3865 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3868 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3871 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3873 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3876 * system.h (ICE_EXIT_CODE): New macro.
3877 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3878 (diagnostic_action_after_output): Likewise.
3879 * gcc.c (fatal_ice): New function.
3880 (execute): Use it instead of fatal.
3881 (fancy_abort): Likewise.
3882 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3884 2006-03-22 Jeff Law <law@redhat.com>
3886 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3887 iv_analyze_result returning false.
3889 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3891 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3893 2006-03-22 Richard Henderson <rth@redhat.com>
3896 * except.c (duplicate_eh_regions_0): New.
3897 (duplicate_eh_region_1): Duplicate the children of the node as
3898 well as the node itself. Link them up properly.
3899 (duplicate_eh_region_2): Merge into ...
3900 (duplicate_eh_regions): ... here. Take copy_region argument, and
3901 copy only a sub-tree if asked. Simplify copying and fixup.
3902 (eh_region_outer_p): New.
3903 * except.h (duplicate_eh_regions): Update decl.
3904 (eh_region_outer_p): Declare.
3905 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3906 (lower_omp_master): Likewise.
3907 (lower_omp_ordered): Likewise.
3908 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3909 (move_stmt_r): Use it to remap labels. Handle recursion vs
3910 remap_decls_p properly.
3911 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3912 (find_outermost_region_in_block): New.
3913 (new_label_mapper): New.
3914 (move_sese_region_to_fn): Copy eh information to the new function
3916 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3918 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3921 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3923 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3924 into shared libraries.
3926 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3928 * doc/md.texi: Refer to i386/constraints.md instead of
3930 * config/i386/constraints.md: New file, extracted from...
3931 * config/i386/predicates.md: ...here.
3932 * config/i386/i386.md: Include constraints.md.
3934 2006-03-21 Jason Merrill <jason@redhat.com>
3936 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3939 * expr.c (init_block_move_fn): Force default visibility.
3940 (init_block_clear_fn): Likewise.
3941 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3942 * targhooks.c (default_external_stack_protect_fail): Likewise.
3944 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3946 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3947 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3948 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3949 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3950 (loadgp): Use mips_current_loadgp_style.
3951 (loadgp_noshared): New pattern.
3952 (sibcall_internal): Use MIPS_CALL.
3953 (sibcall_value_internal): Likewise.
3954 (sibcall_value_multiple_internal): Likewise.
3955 (call_internal): Likewise.
3956 (call_value_internal): Likewise.
3957 (call_value_multiple_internal): Likewise.
3958 (call_split): Use MIPS_CALL and add an 'S' constraint.
3959 (call_value_split): Likewise.
3960 (call_value_multiple_split): Likewise.
3961 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3962 (-mshared): New option.
3963 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3964 (mips_current_loadgp_style): Declare.
3965 * config/mips/mips.c (mips_classify_symbol): Avoid using
3966 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3967 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3968 TARGET_ABSOLUTE_ABICALLS.
3969 (override_options): Adjust comments. Improve the warning that is
3970 issued when -mabicalls and -G are used together.
3971 (mips_file_start): Remove comment.
3972 (mips_current_loadgp_style): New function.
3973 (mips_gnu_local_gp): New variable.
3974 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3976 (mips_output_function_prologue): Use mips_current_laodgp_style.
3977 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3978 the cprestore instruction.
3979 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3980 live for TARGET_ABSOLUTE_ABICALLS.
3981 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3982 (ASM_SPEC): Pass down -mshared and -mno-shared.
3983 (MIPS_CALL): New macro.
3984 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3986 * doc/invoke.texi (-mabicalls): Update documentation.
3987 (-mshared): Document.
3989 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3991 * config/ia64/unwind-hpux.c: New file.
3992 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3994 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3997 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3999 2006-03-21 Jeff Law <law@redhat.com>
4001 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4002 type conversions of a VR_VARYING source to a wider type.
4004 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4006 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4007 tm_file on Solaris 10 and later.
4008 (sparc64-*-solaris2*): Likewise.
4009 (sparc-*-solaris2*): Likewise.
4010 * config/sol26.h: Rename to config/sol2-6.h.
4011 * config/sol2-10.h: New file.
4013 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4016 * tree-ssa-pre.c (create_component_ref_by_pieces):
4019 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4022 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4023 return it immediately.
4025 2006-03-21 Michael Matz <matz@suse.de>
4027 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4029 (remove_arc, add_arc): Update num_out_arcs member.
4030 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4032 (cache_presence): New function.
4033 (compare_states_for_equiv): New function.
4034 (state_is_differed): Don't take number of outargs, adjust callers.
4035 Use new invariant for speeding up.
4036 (init_equiv_class): Create initial classes based on sorted
4038 (partition_equiv_class): Don't track out_arcs_num.
4039 (evaluate_equiv_classes): Call cache_presence on all states and
4042 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4044 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4045 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4046 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4047 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4049 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4050 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4051 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4052 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4053 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4055 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4056 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4057 (REGNO_REG_CLASS): ARGP is in PREGS.
4058 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4060 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4061 to deal with those addresses.
4062 * addresses.h: New file.
4063 * caller-save.c: Include "addresses.h".
4064 (init_caller_save): Use new base_reg_class function.
4065 * rtl-factoring.c: Include "addresses.h".
4066 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4067 * recog.c: Include "addresses.h".
4068 (preprocess_constraints): Use new base_reg_class function.
4069 * regrename.c: Include "addresses.h".
4070 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4071 functions. Keep track of a new var INDEX_CODE to compute valid
4073 (replace_oldest_value_addr): Likewise.
4074 (replace_oldest_value_mem): Use base_reg_class.
4075 * reload.c: Include "addresses.h".
4076 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4077 (find_reloads): Use new base_reg_class function.
4078 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4079 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4080 all callers and prototype changed.
4081 * reload1.c: Include "addresses.h".
4082 (maybe_fix_stack_asms): Use base_reg_class.
4083 * regclass.c: Include "addresses.h".
4084 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4085 (init_reg_autoinc): Use new base_reg_class function.
4086 (record_reg_classes): Likewise.
4087 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4088 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4089 Use new args to compute necessary class.
4091 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4092 regrename.o, rtl-factoring.o): Update dependencies.
4093 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4094 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4095 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4096 REG_OK_FOR_INDEX_P): Delete documentation.
4098 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4100 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4101 from V7 to V9 for Solaris 7 and above.
4103 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4105 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4106 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4107 argument pointers may not alias any other storage.
4108 * common.opt: Define option -fargument-noalias-anything.
4109 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4110 alias semantics is specified by flag_argument_noalias > 2.
4112 2006-03-20 Jeff Law <law@redhat.com>
4114 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4115 (pass_phi_only_cprop): Declare.
4116 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4118 * tree-ssa-dom.c (degenerate_phi_result): New function.
4119 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4120 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4121 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4122 (eliminate_degenerate_phis): Likewise.
4123 (pass_phi_only_cprop): New pass descriptor.
4124 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4125 support code. Callers updated.
4126 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4127 (store_copy_prop): Likewise.
4128 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4130 2006-03-20 Jason Merrill <jason@redhat.com>
4133 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4134 (push_visibility, pop_visibility): Likewise.
4135 * c-pragma.h: Declare them.
4137 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4139 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4141 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4142 parameter and use get_ebb_head_tail.
4143 (sh_md_init_global): Adjust uses of find_regmode_weight.
4145 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4147 * function.h (struct function) <x_tail_recursion_reentry>:
4148 Rename to x_stack_check_probe_note.
4149 (tail_recursion_reentry): Rename to stack_check_probe_note.
4150 * function.c: Replace tail_recursion_reentry with
4151 stack_check_probe_note everywhere.
4152 (expand_function_start): Only emit a note for
4153 stack_check_probe_note with -fstack-protect.
4154 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4156 * emit-rtl.c (remove_unnecessary_notes): Remove.
4157 (pass_remove_unnecessary_notes): Remove.
4158 * rtl.h (remove_unnecessary_notes): Remove prototype.
4159 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4160 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4161 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4163 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4166 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4167 (valid_in_set): Handle ARRAY_REF.
4168 Change "if min_variant or VH" to asserts.
4169 (create_component_ref_by_pieces): Handle ARRAY_REF.
4170 (create_expression_by_pieces): Likewise.
4171 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4173 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4175 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4176 is operand of switch, not str[0].
4178 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4180 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4181 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4183 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4185 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4186 end of insn_extra_address_constraint declaration.
4188 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4190 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4191 (no-sum-in-toc): Same.
4192 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4194 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4195 NO_FP_IN_TOC for -fPIC instead of mask.
4197 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4198 (BOOT_LDFLAGS): Delete.
4200 * config/rs6000/t-aix52: Same.
4202 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4203 (stmsi[345678]_power): New.
4205 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4207 * config/ia64/ia64.opt: Add empty line to end of file.
4209 2006-03-17 Richard Guenther <rguenther@suse.de>
4212 * builtins.c (get_pointer_alignment): For component style references
4213 adjust alignment to the component type alignment. Make sure
4214 to adjust alignment for component access of constants.
4216 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4218 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4221 2006-03-17 Paul Brook <paul@codesourcery.com>
4223 * doc/install.texi: Docuemnt --with-mode.
4224 * config.gcc: Add --with-mode for arm*-*-*.
4225 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4227 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4229 * sh.c (max_labelno_before_reorg): New variable.
4230 (sh_reorg): Initialize it.
4231 (find_barrier): Check max_labelno_before_reorg before using
4232 label_to_alignment. Take length of explicit alignment insns
4233 into account. When seeing a UNSPECV_CONST_END, return it.
4235 * sh.c (fixup_mova): Set mode of affected label to QImode.
4236 (untangle_mova): New function.
4237 (find_barrier): Use it. Check mode of label before decrementing
4239 (sh_reorg): Likewise.
4240 Set mode of all insns back to VOIDmode.
4242 * sh.c (MOVA_LABELREF): New macro.
4243 (mova_p, fixup_mova, sh_reorg): Use it.
4244 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4245 ADDR_DIFF_VEC matches mova.
4247 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4249 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4250 with ATTRIBUTE_UNUSED.
4252 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4254 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4255 pointer, instead of assuming it is possible to derive the
4256 correct args size from a call insn.
4258 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4260 * rtl.h (CONST_INT_P): Define.
4261 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4262 instead of GET_CODE(x) == CONST_INT.
4263 (vax_rtx_costs): Likewise.
4264 (vax_output_int_move): Likewise.
4265 (vax_output_int_add): Likewise.
4266 (legitimate_constant_address_p): Likewise.
4267 (index_term_p): Likewise.
4268 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4269 * config/vax/vax.md (and<mode>3): Likewise.
4270 (ashrsi3): Likewise.
4272 (movstricthi): Likewise.
4273 (movstrictqi): Likewise.
4274 (rotrsi3): Likewise.
4275 (five unnamed insns): Likewise.
4277 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4279 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4280 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4281 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4282 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4283 Pass to ASM_OUTPUT_DWARF_OFFSET.
4284 * dwarf2out.c (debug_frame_section): New.
4285 (output_call_frame_info): Use debug_frame_section. Pass it to
4286 dw2_asm_output_offset.
4287 (output_die): Pass appropriate section to dw2_asm_output_offset.
4288 (output_compilation_unit_header): Likewise.
4289 (output_pubnames): Likewise.
4290 (output_aranges): Likewise.
4291 (enum dw_val_class): Break dw_val_class_lbl_offset into
4292 dw_val_class_lineptr and dw_val_class_macptr.
4293 (add_AT_lbl_offset): Delete.
4294 (add_AT_lineptr): New.
4295 (add_AT_macptr): New.
4296 (AT_lbl): Expect a lineptr or macptr.
4297 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4298 (attr_checksum): Likewise.
4299 (same_dw_val_p): Likewise.
4300 (size_of_die): Likewise.
4301 (value_format): Likewise.
4302 (output_die): Likewise.
4303 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4305 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4306 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4307 * config/darwin-protos.h (darwin_file_start): New.
4308 (darwin_asm_output_dwarf_offset): New.
4309 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4310 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4312 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4313 if not EH section; simplify.
4314 (darwin_file_start): New.
4315 (darwin_asm_output_dwarf_offset): New.
4316 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4318 (DEBUG_INFO_SECTION): Likewise.
4319 (DEBUG_ABBREV_SECTION): Likewise.
4320 (DEBUG_ARANGES_SECTION): Likewise.
4321 (DEBUG_MACINFO_SECTION): Likewise.
4322 (DEBUG_LINE_SECTION): Likewise.
4323 (DEBUG_LOC_SECTION): Likewise.
4324 (DEBUG_PUBNAMES_SECTION): Likewise.
4325 (DEBUG_STR_SECTION): Likewise.
4326 (DEBUG_RANGES_SECTION): Likewise.
4327 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4328 (ASM_OUTPUT_DWARF_OFFSET): New.
4330 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4332 * config.gcc (tm_defines): Always add to previous value rather
4335 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4337 * config/mips/predicates.md (splittable_const_int_operand): New,
4338 split from move_operand.
4339 (splittable_symbolic_operand): New.
4340 (move_operand): Add commentary. Use splittable_const_int_operand.
4341 Inline mips_atomic_symbolic_constant_p.
4342 * config/mips/mips.md: Add combine splitters for handling moves
4343 of splittable_const_int_operands and splittable_symbolic_operands.
4344 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4345 (mips_split_symbol): Declare.
4346 (mips_move_integer): Declare.
4347 * config/mips/mips.c (mips_split_p): Make global.
4348 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4349 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4350 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4351 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4352 (mips_offset_within_object_p): Handle block symbols.
4353 (mips_atomic_symbolic_constant_p): Delete.
4354 (mips_cannot_force_const_mem): Return false for constants that
4355 mips_legitimize_move can handle.
4356 (mips_use_blocks_for_constant_p): New function.
4357 (mips_split_symbol): Make global.
4358 (mips_move_integer): Likewise. Add a temporary register argument.
4359 (mips_legitimize_const_move): Use splittable_const_int_operand and
4360 splittable_symbolic_operand.
4361 (mips_use_anchors_for_symbol_p): New function.
4362 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4363 (mips_split_p): Declare.
4365 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4367 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4368 (mips*-*-linux*): Likewise.
4370 2006-03-16 Roger Sayle <roger@eyesopen.com>
4371 Daniel Speyer <dspeyer@wam.umd.edu>
4374 * tree-dump.c (dump_real): New function.
4375 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4376 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4377 (tree-dump.o): Add $(REAL_H) to the dependencies.
4379 2006-03-16 Roger Sayle <roger@eyesopen.com>
4382 * real.c (real_from_string): If the mantissa is zero, don't bother
4383 parsing the exponent as the result should always be zero.
4385 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4387 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4389 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4391 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4392 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4393 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4394 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4395 ia64_sched_finish_global): New static functions to implement
4396 hooks from gcc_target.sched.
4397 (spec_check_no, max_uid, pending_data_specs): New static variables.
4398 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4399 ia64_spec_check_src_p): New static functions.
4400 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4401 (TARGET_SCHED_ADJUST_COST): Removed.
4402 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4403 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4404 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4405 TARGET_SCHED_GEN_CHECK,
4406 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4407 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4408 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4409 Fixed to handle speculation checks.
4410 (rtx_needs_barrier): Fixed to handle speculative loads and
4412 (ia64_variable_issue): Added code to count speculative loads and their
4414 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4416 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4418 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4420 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4421 (ia64_reorg): Reset stops_p to NULL after it is freed.
4422 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4423 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4424 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4426 (data_speculative, control_speculative, check_load): New attributes.
4427 (mov<mode>_advanced, mov<mode>_speculative,
4428 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4429 zero_extend<mode>di2_speculative,
4430 zero_extend<mode>di2_speculative_advanced): New patterns for
4431 data and control speculative loads.
4432 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4434 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4435 New pattern for data and control speculation checks.
4436 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4437 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4438 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4439 Auxiliary definitions for the patterns.
4440 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4441 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4443 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4445 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4446 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4447 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4448 New resource constraints.
4449 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4451 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4452 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4453 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4454 msched-in-control-spec, msched-ldc, msched-control-ldc,
4455 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4456 msched-prefer-non-control-spec-insns,
4457 msched-count-spec-in-critical-path): New flags to tune speculative
4459 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4460 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4461 msched-in-control-spec, msched-ldc, msched-control-ldc,
4462 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4463 msched-prefer-non-control-spec-insns,
4464 msched-count-spec-in-critical-path): Document new flags.
4466 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4468 * target.h (struct spec_info_def): New opaque declaration.
4469 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4470 speculate_insn, needs_block_p, gen_check,
4471 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4472 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4473 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4474 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4475 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4476 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4478 (TARGET_SCHED): Use new macros.
4479 * rtl.h (copy_DEPS_LIST_list): New prototype.
4480 * sched-int.h (struct sched_info): Change signature of new_ready field,
4481 adjust all initializations. New fields: add_remove_insn,
4482 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4483 region_head_or_leaf_p.
4484 (struct spec_info_def): New structure declaration.
4485 (spec_info_t): New typedef.
4486 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4487 recovery_block, orig_pat.
4488 (glat_start, glat_end): New variables declaraions.
4489 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4491 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4492 DETACH_LIFE_INFO, USE_GLAT.
4493 (enum SPEC_SCHED_FLAGS): New enumeration.
4494 (NOTE_NOTE_BB_P): New macro.
4495 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4496 attach_life_info, debug_spec_status, check_reg_live): New functions.
4497 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4498 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4500 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4501 * ddg.c (get_block_head_tail): Adjust all uses.
4502 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4503 (sms_sched_info): Initialize new fields.
4504 (contributes_to_priority): Removed.
4505 * haifa-sched.c (params.h): New include.
4506 (get_block_head_tail): Adjust all uses.
4507 (ISSUE_POINTS): New macro.
4508 (glat_start, glat_end): New global variables.
4509 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4510 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4511 old_last_basic_block, before_recovery, current_sched_info_var,
4512 rgn_n_insns, luid): New static variables.
4513 (insn_cost1): New function. Move logic from insn_cost to here.
4514 (find_insn_reg_weight1): New function. Move logic from
4515 find_insn_reg_weight to here.
4516 (reemit_notes, move_insn, max_issue): Change signature.
4517 (move_insn1): Removed.
4518 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4519 extend_bb): New static functions to support extension of scheduler's
4521 (generate_recovery_code, process_insn_depend_be_in_spec,
4522 begin_speculative_block, add_to_speculative_block,
4523 init_before_recovery, create_recovery_block, create_check_block_twin,
4524 fix_recovery_deps): New static functions to support
4525 generation of recovery code.
4526 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4527 restore_bb_notes, move_block_after_check, move_succs): New static
4528 functions to support ebb scheduling.
4529 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4530 functions to support handling of register live information.
4531 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4532 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4533 add_jump_dependencies): New static functions.
4534 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4535 consistancy checking.
4536 (debug_spec_status): New function to call from debugger.
4537 (priority): Added code to handle speculation checks.
4538 (rank_for_schedule): Added code to distinguish speculative instructions.
4539 (schedule_insn): Added code to handle speculation checks.
4540 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4541 Fixed to handle ebbs.
4542 (move_insn): Added code to handle ebb scheduling.
4543 (max_issue): Added code to use ISSUE_POINTS of instructions.
4544 (choose_ready): Added code to choose between speculative and
4545 non-speculative instructions.
4546 (schedule_block): Added code to handle ebb scheduling and scheduling of
4547 speculative instructions.
4548 (sched_init): Initialize new variables.
4549 (sched_finish): Free new variables. Print statistics.
4550 (try_ready): Added code to handle speculative instructions.
4551 * lists.c (copy_DEPS_LIST_list): New function.
4552 * sched-deps.c (extend_dependency_caches): New function. Move logic
4553 from create_dependency_caches to here.
4554 (get_dep_weak, ds_merge): Make global.
4555 * genattr.c (main): Code to output prototype for
4556 dfa_clear_single_insn_cache.
4557 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4558 (output_dfa_clean_insn_cache_func): Code to output
4559 dfa_clear_single_insn_cache function.
4560 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4562 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4564 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4565 New static variables.
4566 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4567 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4569 (ebb_sched_info): Initialize new fields.
4570 (get_block_head_tail): Adjust all uses.
4571 (compute_jump_reg_dependencies): Fixed to use glat_start.
4572 (schedule_ebb): Code to remove unreachable last block.
4573 (schedule_ebbs): Added code to update register live information.
4574 * sched-rgn.c (region_sched_info): Initialize new fields.
4575 (get_block_head_tail): Adjust all uses.
4576 (last_was_jump): Removed. Adjust users.
4577 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4578 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4579 Implement new hooks.
4580 (check_dead_notes1): New static function.
4581 (struct region): New fields: dont_calc_deps, has_real_ebb.
4582 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4583 (BB_TO_BLOCK): Fixed to handle EBBs.
4584 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4585 (ebb_head): New static variable.
4586 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4587 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4589 (compute_dom_prob_ps): New assertion.
4590 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4591 global_live_at_start.
4592 (init_ready_list): New assertions.
4593 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4594 (new_ready): Add support for BEGIN_CONTROL speculation.
4595 (schedule_insns): Fixed code that updates register live information
4597 (schedule_region): Fixed to handle EBBs.
4598 (init_regions): Use extend_regions and check_dead_notes1.
4599 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4600 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4601 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4602 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4603 TARGET_SCHED_GEN_CHECK,
4604 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4605 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4606 * doc/invoke.texi (max-sched-insn-conflict-delay,
4607 sched-spec-prob-cutoff): Document.
4609 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4611 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4612 inter_tick, queue_index.
4613 (struct sched_info): Change signature of init_ready_list field.
4614 Adjust all initializations.
4615 (RESOLVED_DEPS): New access macro.
4616 (ready_add): Remove prototype.
4617 (try_ready): Add prototype.
4618 * sched-rgn.c (init_ready_list): Use try_ready.
4619 (schedule_region): Initialize
4620 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4621 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4622 (init_ready_list): Use try_ready.
4623 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4624 * lists.c (remove_list_elem): Remove `static'.
4625 (remove_free_INSN_LIST_elem): New function.
4626 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4627 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4628 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4630 (readyp): New variable.
4631 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4632 change_queue_index, resolve_dep): New static functions.
4633 (try_ready): New function. Adjust callers in sched-rgn.c and
4634 sched-ebb.c to use it instead of ready_add.
4635 (clock_var): Move at the begining of file.
4636 (rank_for_schedule): Fix typo.
4637 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4638 (ready_lastpos): Enforce assertion.
4639 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4641 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4642 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4643 (queue_to_ready): Use free_INSN_LIST_list.
4644 (early_queue_to_ready): Fix typo.
4645 (schedule_block): Init readyp. Move init_ready_list call after the
4646 initialization of clock_var. Fix error in rejecting insn by
4647 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4648 that previously corrected INSN_TICKs. Add code for handling
4650 (set_priorities): Fix typo.
4651 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4652 Clarify comment and code that keeps current_sched_info->next_tail
4655 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4657 * sched-rgn.c (extend_rgns): New static function.
4658 (find_rgns): Use it.
4659 (gather_region_statistics, print_region_statistics): New static
4661 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4662 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4664 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4665 Andrey Belevantsev <abel@ispras.ru>
4667 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4668 * lists.c (unused_deps_list): New variable.
4669 (free_list): Add assertions to verify the proper distinguishing
4670 between INSN_LISTs and DEPS_LISTs.
4671 (find_list_elem, remove_list_elem, remove_list_node): New static
4673 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4674 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4675 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4676 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4678 (free_INSN_LIST_node): Likewise.
4679 * modulo-sched.c (current_sched_info): Initialize flags field.
4680 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4681 * rtl.def (DEPS_LIST): Define.
4682 * rtl.h: Declare new functions from lists.c.
4683 * sched-deps.c (spec_dependency_cache): New static variable.
4684 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4685 (add_dependence): Change return type to void. Move the logic to ...
4686 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4687 (delete_all_dependences): Add comment about forward_dependency_cache.
4688 Handle spec_dependency_cache. Handle DEPS_LISTs.
4689 (fixup_sched_groups): Clarify the change of priority of output
4690 and anti dependencies.
4691 (sched_analyze_2): Adjust add_dependence calls to create data
4692 speculative dependence.
4693 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4694 Adjust all callers. Handle DEPS_LISTS.
4695 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4696 presence of speculation.
4697 (init_dependency_caches, free_dependency_caches):
4698 Handle spec_dependency_cache.
4699 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4700 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4701 New static functions.
4702 (add_or_update_back_dep, add_or_update_back_forw_dep,
4703 add_back_forw_dep, delete_back_forw_dep): New functions.
4704 * sched-int.h (ds_t, dw_t): New typedefs.
4705 (struct sched_info): Add new field flags.
4706 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4707 Prototype new sched-deps.c functions.
4708 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4709 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4710 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4711 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4712 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4713 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4715 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4717 * sched-rgn.c (current_sched_info): Initialize flags field.
4718 (schedule_insns): Initialize current_sched_info before the sched_init
4720 * sched-ebb.c (current_sched_info): Initialize flags field.
4721 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4722 Call add_or_update_back_dep instead of add_dependence.
4723 Create control speculative dependencies.
4724 (schedule_insns): Initialize current_sched_info before the sched_init
4727 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4729 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4731 (sh_fallback_frame_state): Likewise.
4733 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4735 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4736 Do switch on default_use_cxa_atexit.
4737 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4738 * config/darwin-crt3.o: New.
4739 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4740 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4741 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4743 * config/rs6000/t-darwin: Move crt2.o building to here.
4744 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4745 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4748 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4750 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4751 from '! xxx' to '!xxx' for coding-style conformance.
4752 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4753 (EXTRA_CONSTRAINT): Likewise.
4754 * config/vax/vax.md (four unnamed insns): Likewise.
4756 2006-03-15 Paul Brook <paul@codesourcery.com>
4758 * config/arm/arm.c (minipool_pad): New.
4759 (add_minipool_forward_ref): Include pool alignment padding in address
4761 (push_minipool_fix): Set minipool_pad.
4762 (minipool_pad): Ditto.
4764 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4766 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4767 instead of GET_CODE() == MEM and REG_P() instead of
4769 (print_operand_address): Likewise.
4770 (vax_address_cost): Likewise.
4771 (vax_rtx_costs): Likewise.
4772 (vax_notice_update_cc): Likewise.
4773 (vax_output_int_add): Likewise.
4774 (INDEX_REGISTER_P): Likewise.
4775 (BASE_REGISTER_P): Likewise.
4776 (nonindexed_address_p): Likewise.
4777 (vax_mode_dependent_address_p): Likewise.
4778 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4779 (PRINT_OPERAND): Likewise.
4780 * config/vax/vax.md (ashlsi3): Likewise.
4781 (ashlsi3): Likewise.
4782 (some more unnamed insns): Likewise.
4784 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4786 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4787 iterator-style macro.
4788 (mark_control_dependent_edges_necessary): Update the use of
4789 EXECUTE_IF_CONTROL_DEPENDENT.
4791 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4793 * config/sh/predicates.md (cache_address_operand): Special.
4794 (ua_address_operand): Likewise.
4796 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4798 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4800 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4802 2006-03-15 Andreas Schwab <schwab@suse.de>
4804 * gensupport.c (identify_predicable_attribute): Don't free p_false
4805 when it is still in use.
4807 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4809 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4810 the default setting here.
4812 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4814 * tree-pass.h (pass_cfg): Remove.
4815 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4816 * passes.c (pass_cfg): Don't run it.
4818 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4820 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4821 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4823 (stack_regs_mentioned): Update the uses of
4824 stack_regs_mentioned_data. Don't access the array beyond its
4826 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4827 Don't include gt-reg-stack.h.
4829 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4830 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4832 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4835 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4838 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4840 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4842 2006-03-14 Richard Guenther <rguenther@suse.de>
4844 PR tree-optimization/26672
4845 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4848 2006-03-14 Richard Guenther <rguenther@suse.de>
4850 PR tree-optimization/26667
4851 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4852 node for the callees. Always allow inlining if it will shrink
4855 2006-03-14 Richard Guenther <rguenther@suse.de>
4858 * builtins.c (get_pointer_alignment): Prefer alignment
4859 information from decls over that from types.
4861 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4864 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4866 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4868 * config/rs6000/rs6000.opt (mdlmzb): New option.
4869 (msched-prolog, msched-epilog): Use Var not Mask.
4870 * doc/invoke.texi (-mdlmzb): Document.
4871 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4873 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4874 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4876 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4878 PR rtl-optimization/25739
4879 * bt-load.c (augment_live_range): Free tos pointer.
4881 * gensupport.c (identify_predicable_attribute): Free
4883 * gcov.c (create_file_names): Free name pointer.
4885 2006-03-13 Roger Sayle <roger@eyesopen.com>
4888 * stmt.c (emit_case_nodes): Handle the case where the index is a
4889 CONST_INT, where the comparison mode is specified by the index type.
4891 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4893 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4896 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4898 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4899 (*branch_fp_inverted): Likewise.
4901 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4904 * omp-low.c (expand_omp_for_generic): Mark istart0
4905 and iend0 as addressable.
4907 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4909 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4911 2006-03-13 Jeff Law <law@redhat.com>
4913 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4914 virtual operands are interesting.
4915 (vrp_visit_stmt): Corresponding changes.
4917 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4919 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4921 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4922 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4923 * config/bfin/crti.S: Use it instead of __PIC__.
4924 * config/bfin/crtn.S: Likewise.
4926 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4927 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4929 Lose 'G' modifier for call operand.
4930 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4931 recognize 'G' modifier.
4933 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4936 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4937 * stmt.c (expand_case): Likewise.
4939 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4941 PR rtl-optimization/26254
4942 * loop-invariant.c (seq_insns_valid_p): New function.
4943 (move_invariant_reg): Only emit new code if it is valid.
4945 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4947 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4949 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4950 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4951 (commit_one_edge_insertion): Do not look for loop notes.
4953 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4955 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4956 flag_test_coverage out of loop.
4958 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4960 * final.c (shorten_branches): Remove outdated comment, and turn
4961 the if branch that guards it to continue.
4963 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4965 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4966 * cfgloop.h (struct loop): Remove unused fields.
4968 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4970 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4971 (-dL, -fdump-rtl-loop2): Update the dump file names
4973 * doc/invoke.texi: Update dump file names.
4975 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4977 * predict.c (estimate_probability): Remove.
4978 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4979 * basic-block.h (estimate_probability): Remove prototype.
4980 * passes.c (finish_optimization_passes): Dump branch prediction or
4981 profiling heuristics to the .profile tree dump.
4982 (init_optimization_passes): Unqueue pass_branch_prob.
4984 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4986 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4988 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4989 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4991 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4993 * function.h (frame_offset_overflow): Declare.
4994 * function.c (frame_offset_overflow): New function.
4995 (assign_stack_local_1): Call it to detect that the offset overflows.
4996 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4998 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5000 * config/sh/sh.c: Include alloc-pool.h.
5001 (label_ref_list_pool): New alloc pool.
5002 (label_ref_list_t): New type for lists of labels.
5003 (struct pool_node): Make wend a label_ref_list_t.
5004 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5006 (dump_table): Likewise.
5007 (sh_reorg): Set up the alloc pool before using add_constant and
5008 dump_table, and destroy it when finishing.
5010 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5012 * config/mips/mips.c: Remove redundant comment.
5014 2006-03-10 Jason Merrill <jason@redhat.com>
5017 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5018 the target was declared 'register'.
5020 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5022 * genpreds.c (write_insn_constraint_len): Change definition of
5023 insn_constraint_len to return size_t to match the declaration.
5025 2006-03-10 DJ Delorie <dj@redhat.com>
5027 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5029 (m32c_expand_insv): Fix test for an AND mask.
5031 2006-03-10 Richard Guenther <rguenther@suse.de>
5034 * builtins.c (get_pointer_alignment): Handle component
5035 references for field alignment.
5037 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5039 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5040 when building with libgloss.
5041 (sh*elf): Implement --without-fp option.
5042 (sh64-superh-linux*): Don't multilib.
5044 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5046 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5048 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5050 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5051 Set it when one of the replacement functions returned true.
5052 Return TODO_cleanup_cfg if cfgchanged is true.
5053 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5055 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5057 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5058 instead of gen_lowpart.
5060 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5062 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5064 (mips_output_order_conditional_branch): Declare.
5065 * config/mips/mips.h (MIPS_BRANCH): New macro.
5066 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5067 for the comparison. Use gen_condjump.
5068 (mips_output_conditional_branch): Rework interface to take the
5069 asm templates for a direct branch and the inverse of a direct branch.
5070 (mips_output_order_conditional_branch): New function.
5071 (mips_builtin_branch_and_move): New function.
5072 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5073 branch condition. Use gen_single_cc as the condition for
5074 __builtin_mips_upper_* or __builtin_mips_lower_*.
5075 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5076 Use VOIDmode for the branch condition.
5077 * config/mips/predicates.md (order_operator): New predicate.
5078 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5079 (branch_fp): Rename to...
5080 (*branch_fp): ...this. Remove mode from comparison operator.
5081 Use new mips_output_conditional_branch interface.
5082 (branch_fp_inverted): Rename to...
5083 (*branch_fp_inverted): ...this and update as for *branch_fp.
5084 (*branch_zero<mode>): Rename to...
5085 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5086 Use mips_output_order_conditional_branch. Only accept ordered
5088 (*branch_zero<mode>_inverted): Rename to...
5089 (*branch_order<mode>_inverted): ...this and update as for
5090 *branch_order<mode>.
5091 (*branch_equality<mode>): Accept zero as the second operand to
5092 the equality operator. Use the new mips_output_conditional_branch
5094 (*branch_equality<mode>_inverted): Likewise.
5095 (condjump): New expander.
5096 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5098 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5099 (bc1any2t, bc1any2f): Likewise.
5100 (single_cc): New expander.
5101 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5103 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5105 * doc/md.texi: Update documentation of MIPS constraints.
5106 * config/mips/constraints.md: New file.
5107 * config/mips/mips.md: Include it.
5108 * config/mips/mips.c (mips_char_to_class): Delete.
5109 (override_options): Don't initialize mips_char_to_class.
5110 * config/mips/mips.h (mips_char_to_class): Delete.
5111 (REG_CLASS_FROM_LETTER): Delete.
5112 (CONST_OK_FOR_LETTER_P): Delete.
5113 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5114 (EXTRA_CONSTRAINT_Y): Delete.
5115 (EXTRA_CONSTRAINT_STR): Delete.
5116 (CONSTRAINT_LEN): Delete.
5117 (EXTRA_MEMORY_CONSTRAINT): Delete.
5119 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5121 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5122 original fn's eh regions.
5124 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5126 * fold-const.c (build_range_check): Make sure to use a valid type to
5127 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5130 (range_predecessor): New static function.
5131 (range_successor): Likewise.
5132 (merge_ranges): Use them to compute predecessors and successors of
5135 2006-03-09 Roger Sayle <roger@eyesopen.com>
5138 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5139 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5141 2006-03-08 DJ Delorie <dj@redhat.com>
5143 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5144 (addpsi3): Expand to include memory operands. Remove
5145 reload-specific splits.
5146 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5147 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5148 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5149 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5150 (shift1_qi, shift1_hi, insv): New.
5151 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5152 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5153 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5155 * config/m32c/m32c-protos.h: Update as needed.
5156 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5157 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5158 Fail for unrecognized R* constraints.
5159 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5160 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5161 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5163 (m32c_init_libfuncs): New.
5164 (m32c_legitimate_address_p): Add debug wrapper.
5165 (m32c_rtx_costs): New.
5166 (m32c_address_cost): New.
5167 (conversions): Add 'B' prefix.
5168 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5169 operands, or word regnames for QI operands. 'B' prints bit
5171 (m32c_expand_setmemhi): New.
5172 (m32c_expand_movmemhi): New.
5173 (m32c_expand_movstr): New.
5174 (m32c_expand_cmpstr): New.
5175 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5176 (m32c_expand_neg_mulpsi3): Handle non-ints.
5177 (m32c_cmp_flg_0): New.
5178 (m32c_expand_movcc): New.
5179 (m32c_expand_insv): New.
5180 (m32c_scc_pattern): New.
5181 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5182 a0/a1 out of SIregs.
5183 (STORE_FLAG_VALUE): New.
5184 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5187 * config/m32c/mov.md: Make constraints more liberal.
5188 (zero_extendqihi2): Optimize r0/r1 case.
5189 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5190 * config/m32c/predicates.md (m32c_any_operand): New.
5191 (m32c_nonimmediate_operand): New.
5192 (m32c_hl_operand): New.
5193 (m32c_r3_operand): New.
5196 (memsym_operand): New.
5197 (memimmed_operand): New.
5198 (a_qi_operand): New.
5199 (m32c_eqne_operator): New.
5200 (m32c_1bit8_operand): New.
5201 (m32c_1bit16_operand): New.
5202 (m32c_1mask8_operand): New.
5203 (m32c_1mask16_operand): New.
5204 * config/m32c/blkmov.md: New file.
5205 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5207 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5209 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5210 unsigned to fix signed/unsigned comparison issue in
5211 DWARF2_FRAME_REG_OUT.
5212 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5213 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5215 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5216 of ptr into the ENABLE_CHECKING section.
5218 2006-03-08 Jeff Law <law@redhat.com>
5220 * tree-vrp.c (infer_value_range): Only count pointer uses
5221 and dereferences if -fdelete-null-pointer-checks is enabled.
5223 * tree-vrp.c (find_assert_locations): Infer value ranges for
5224 single use pointers, but do not create ASSERT_EXPRs for them.
5225 When a non-null range is inferred for a pointer, backwards
5226 propagate that range to other equivalent pointers through the
5229 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5232 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5233 language hook targets.
5234 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5235 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5236 if language hook targets were missing.
5238 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5240 * tree-ssa-opfinalize.h: Removed.
5241 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5243 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5244 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5245 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5246 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5247 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5248 finalize_ssa_v_must_def_ops): New.
5250 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5252 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5255 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5257 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5259 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5260 addresses with offsets; reorganize.
5262 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5263 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5264 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5266 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5269 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5271 2006-03-08 Ben Elliston <bje@au.ibm.com>
5273 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5275 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5278 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5281 2006-03-07 Richard Guenther <rguenther@suse.de>
5283 PR tree-optimization/26587
5284 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5286 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5288 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5290 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5292 * hooks.c (hook_bool_mode_rtx_true): New function.
5293 * hooks.h (hook_bool_mode_rtx_true): Declare.
5294 * toplev.c (compile_file): Call output_shared_constant_pool.
5295 * varasm.c (shared_constant_pool): New variable.
5296 (assemble_start_function, assemble_end_function): Remove arguments
5297 from call to output_constant_pool.
5298 (create_constant_pool): New function, split out from...
5299 (init_varasm_status): ...here.
5300 (force_const_mem): Choose between the shared and per-function constant
5301 pools. Set current_function_uses_const_pool when reusing old entries
5302 as well as when creating new ones.
5303 (mark_constant): Ignore data argument.
5304 (mark_constants): Remove pool argument.
5305 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5306 to decide whether the function uses a constant pool.
5307 (output_constant_pool_contents): New function, split out from...
5308 (output_constant_pool): ...here.
5309 (output_shared_constant_pool): New function.
5310 (init_varasm_once): Initialize shared_constant_pool.
5311 * output.h (output_constant_pool): Delete.
5312 (output_shared_constant_pool): Declare.
5313 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5314 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5316 2006-03-06 Nick Clifton <nickc@redhat.com>
5318 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5319 flag_strength_reduce.
5321 2006-03-06 Ben Elliston <bje@au.ibm.com>
5323 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5324 x86_64-*-linux* configurations.
5326 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5327 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5329 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5331 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5333 * basic-block.h: Remove the extern for
5334 rediscover_loops_after_threading.
5336 * cfgloop.c (cancel_loop): Make it static.
5337 * cfgloop.h: Remove the prototype for cancel_loop.
5339 * flow.c (recompute_reg_usage): Make it static.
5340 * rtl.h: Remove the prototype for recompute_reg_usage.
5342 * function.c (use_return_register): Make it static.
5343 * function.h: Remove the prototype.
5345 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5347 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5349 * recog.h: Remove the prototype for
5350 validate_change_maybe_volatile.
5352 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5354 * rtlanal.c (replace_reg): Remove.
5355 * rtl.h: Remove the prototype for replace_reg.
5357 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5359 * regclass.c (reg_scan_update): Remove.
5360 (reg_scan_mark_refs): Remove the last argument.
5361 * rtl.h: Remove the prototype for reg_scan_update.
5363 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5365 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5366 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5367 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5368 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5369 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5370 loop-invariant.c, omp-low.c, opts.c, passes.c,
5371 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5372 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5373 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5374 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5375 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5376 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5378 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5380 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5381 * dwarf2out.h: Remove the prototype for
5382 dwarf2out_add_library_unit_info.
5384 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5386 * tree.c (add_var_to_bind_expr): Remove.
5387 * tree.h: Remove the prototype for add_var_to_bind_expr.
5389 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5391 * regclass.c (n_non_fixed_regs): Remove.
5392 (init_reg_sets_1, globalize_reg): Remove all uses of
5394 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5396 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5398 * rtlanal.c (insns_safe_to_move_p): Remove.
5399 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5401 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5403 * expmed.c (expand_mult_add): Remove.
5404 * expr.h: Remove the prototype for expand_mult_add.
5406 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5408 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5409 and REG_SAVED_VAL_EXP constants.
5410 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5411 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5412 Handle regs stored by value.
5413 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5414 (execute_cfa_program): Handle DW_CFA_val_offset,
5415 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5416 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5417 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5418 (uw_install_context_1): Handle target regs stored by value.
5420 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5422 * tree-sra.c (tree_sra): Return todoflags;
5423 (generate_one_element): Set TODO_update_smt_usage if needed.
5424 (pass_sra): Remove TODO_update_smt_usage.
5425 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5427 (tree_ssa_forward_propagate_single_use_vars): Return
5428 TODO_update_smt_usage if we need to update SMT usage.
5429 (pass_forwprop): Remove TODO_update_smt_usage.
5431 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5433 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5434 (correct_use_link): Remove reference to get_stmt_operands.
5435 (update_stmt_operands): Likewise.
5436 (get_modify_expr_operands): New function factored out of
5437 parse_ssa_operands and get_expr_operands.
5438 Try to create V_MUST_DEFs for LHS by default.
5439 (get_expr_operands) <case MODIFY_EXPR>: Call
5440 get_modify_expr_operands.
5441 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5442 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5443 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5444 get_modify_expr_operands.
5446 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5448 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5449 * tree-flow.h: Remove the prototype for
5450 referenced_var_lookup_if_exists.
5452 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5454 PR rtl-optimization/26345
5456 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5458 2006-03-03 Roger Sayle <roger@eyesopen.com>
5460 PR tree-optimization/26524
5461 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5462 fold_convert to create a constant of the appropriate type.
5464 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5466 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5467 SYMBOL_REF_IN_BLOCK_P.
5468 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5469 of SYMBOL_FLAG_IN_BLOCK.
5470 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5471 instead of SYMBOL_REF_IN_BLOCK_P.
5472 * explow.c (use_anchored_address): Likewise.
5473 * rtl.c (rtx_size): Likewise.
5474 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5475 instead of SYMBOL_FLAG_IN_BLOCK.
5476 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5477 SYMBOL_REF_IN_BLOCK_P.
5478 (assemble_variable): Likewise.
5479 (output_constant_def_contents): Likewise.
5480 (output_constant_pool): Likewise.
5481 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5482 instead of SYMBOL_FLAG_IN_BLOCK.
5483 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5484 SYMBOL_REF_IN_BLOCK_P.
5485 (SYMBOL_REF_BLOCK): Likewise.
5486 (SYMBOL_REF_OFFSET): Likewise.
5487 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5488 SYMBOL_REF_IN_BLOCK_P.
5489 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5490 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5491 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5492 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5494 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5496 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5498 2006-03-02 Roger Sayle <roger@eyesopen.com>
5500 * simplify-rtx.c (simplify_unary_operation): When simplifying
5501 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5502 that we perform the right shift in the appropriate mode, and
5503 then extend or truncate the result to requested mode.
5505 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5507 * gengtype.c (main): Handle double_int type.
5508 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5509 * double-int.c: New file.
5510 * double-int.h: New file.
5511 * system.h: Include doubleint.h.
5512 * Makefile.in (SYSTEM_H): Include double-int.h.
5513 (double-int.o): Add.
5515 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5518 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5521 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5523 * tree-vrp.c (remove_range_assertions): Do not update statements
5526 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5528 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5530 * gcse.c (rest_of_handle_gcse): Ditto.
5531 * except.c (gate_handle_eh): Ditto.
5532 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5533 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5535 2006-03-02 Eric Christopher <echristo@apple.com>
5537 * config/i386/i386.c (machopic_output_stub): Add indirection to
5540 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5544 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5546 Sun Niagara specific optimizations.
5547 * config.gcc: Recognize niagara as target.
5548 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5549 (TARGET_CPU_niagara): Define.
5550 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5551 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5552 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5553 (ASM_CPU_SPEC): Likewise.
5554 (PROCESSOR_NIAGARA): New enum entry.
5555 (REGISTER_MOVE_COST): Handle Niagara.
5556 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5557 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5558 (sparc_override_options): Recognize "niagara", set appropriate
5559 default MASK_* values for it, and align functions to 32-bytes
5560 by default just like ULTRASPARC/ULTRASPARC3.
5561 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5562 (sparc64_initialize_trampoline): Likewise.
5563 (sparc_use_sched_lookahead): Use zero for niagara.
5564 (sparc_issue_rate): Use one for niagara.
5565 * config/sparc/niagara.md: New file.
5566 * config/sparc/sparc.md: Include it.
5567 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5568 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5569 when default cpu is niagara.
5570 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5571 (ASM_CPU_SPEC): Likewise.
5572 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5573 when default cpu is niagara.
5574 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5575 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5576 just like v9/ultrasparc/ultrasparc3.
5577 * doc/invoke.texi: Add documentation for "niagara" and improve
5578 existing documentation for ultrasparc variants.
5580 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5582 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5584 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5586 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5587 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5588 and say that only one is needed.
5589 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5590 * target.h (have_switchable_bss_sections): New hook.
5591 * explow.c (use_anchored_address): Check that the symbol is in a block.
5592 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5593 (bss_noswitch_section): New variables.
5594 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5595 (get_noswitch_section): New function.
5596 (get_block_for_section): Allow SECT to be null.
5597 (unlikely_text_section_p): Use SECTION_STYLE.
5598 (bss_initializer_p): New function.
5599 (get_variable_section): Move earlier in file. Take a new argument,
5600 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5601 Return one of the new *_sections in such cases.
5602 (get_block_for_decl): New function, extracting some logic from
5603 use_blocks_for_decl_p.
5604 (change_symbol_section): Remove in favor of...
5605 (change_symbol_block): ...this new function.
5606 (use_blocks_for_decl_p): Remove checks now performed by
5608 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5609 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5610 (emit_local, emit_bss, emit_common): ...these new functions.
5611 Return true if the alignment was honored.
5612 (emit_tls_common): New function.
5613 (asm_emit_uninitialised): Delete.
5614 (assemble_variable_noswitch): New function, split out from...
5615 (assemble_variable): ...here. Don't make decisions about common
5616 variables here. Globalize all public decls that go into non-common
5617 sections. Check whether SYMBOL_REF_BLOCK is null.
5618 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5619 (output_constant_pool): Likewise.
5620 (init_varasm_once): Initialize the new section variables.
5621 (have_global_bss_p): New function.
5622 (categorize_decl_for_section): Use bss_initializer_p.
5623 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5624 (place_block_symbol): Assert that the symbol must be in a block.
5625 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5626 (TARGET_INITIALIZER): Include it.
5627 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5628 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5629 (SECTION_MACH_DEP): Bump by two.
5630 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5631 (unnamed_section): Mention SECTION_UNNAMED in comment.
5632 (named_section): Likewise SECTION_NAMED.
5633 (noswitch_section_callback): New type.
5634 (noswitch_section): New structure.
5635 (section): Add a noswitch_section alternative.
5636 (SECTION_STYLE): New macro.
5637 (tls_comm_section, comm_section, lcomm_section): Declare.
5638 (bss_noswitch_section, have_global_bss_p): Declare.
5639 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5640 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5642 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5643 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5646 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5648 * tree-vrp.c (execute_vrp): Return value.
5649 * regrename.c (rest_of_handle_regrename): Ditto.
5650 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5651 * tree-complex.c (tree_lower_complex): Ditto.
5652 (tree_lower_complex_O0): Ditto.
5653 * tracer.c (rest_of_handle_tracer): Ditto.
5654 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5655 * postreload.c (rest_of_handle_postreload): Ditto.
5656 * tree-tailcall.c (execute_tail_recursion): Ditto.
5657 (execute_tail_calls): Ditto.
5658 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5659 * tree.h (init_function_for_compilation): Ditto.
5660 * ipa-cp.c (ipcp_driver): Ditto.
5661 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5662 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5663 * final.c (compute_alignments): Ditto.
5664 (rest_of_handle_final): Ditto.
5665 (rest_of_handle_shorten_branches): Ditto.
5666 (rest_of_clean_state): Ditto.
5667 * omp-low.c (execute_expand_omp): Ditto.
5668 (execute_lower_omp): Ditto.
5669 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5670 * ipa-reference.c (static_execute): Ditto.
5671 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5672 * reorg.c (rest_of_handle_delay_slots): Ditto.
5673 (rest_of_handle_machine_reorg): Ditto.
5674 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5675 * flow.c (recompute_reg_usage): Ditto.
5676 (rest_of_handle_remove_death_notes): Ditto.
5677 (rest_of_handle_life): Ditto.
5678 (rest_of_handle_flow2): Ditto.
5679 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5680 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5681 (do_ssa_store_ccp): Ditto.
5682 (execute_fold_all_builtins): Ditto.
5683 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5684 * modulo-sched.c (rest_of_handle_sms): Ditto.
5685 * ipa-pure-const.c (static_execute): Ditto.
5686 * cse.c (rest_of_handle_cse): Ditto.
5687 (rest_of_handle_cse2): Ditto.
5688 * web.c (rest_of_handle_web): Ditto.
5689 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5690 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5691 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5692 * tree-nrv.c (tree_nrv): Ditto.
5693 (execute_return_slot_opt): Ditto.
5694 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5695 (create_structure_vars): Ditto.
5696 * loop-init.c (rtl_loop_init): Ditto.
5697 (rtl_loop_done): Ditto.
5698 (rtl_move_loop_invariants): Ditto.
5699 (rtl_unswitch): Ditto.
5700 (rtl_unroll_and_peel_loops): Ditto.
5701 (rtl_doloop): Ditto.
5702 * gimple-low.c (lower_function_body): Ditto.
5703 (mark_used_blocks): Ditto.
5704 * tree-ssa-sink.c (execute_sink_code): Ditto.
5705 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5706 (cgraph_early_inlining): Ditto.
5707 * global.c (rest_of_handle_global_alloc): Ditto.
5708 * jump.c (cleanup_barriers): Ditto.
5709 (purge_line_number_notes): Ditto.
5710 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5711 (rest_of_handle_if_after_reload): Ditto.
5712 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5713 (tree_ssa_loop_im): Ditto.
5714 (tree_ssa_loop_unswitch): Ditto.
5715 (tree_vectorize): Ditto.
5716 (tree_linear_transform): Ditto.
5717 (tree_ssa_loop_ivcanon): Ditto.
5718 (tree_ssa_empty_loop): Ditto.
5719 (tree_ssa_loop_bounds): Ditto.
5720 (tree_complete_unroll): Ditto.
5721 (tree_ssa_loop_prefetch): Ditto.
5722 (tree_ssa_loop_ivopts): Ditto.
5723 (tree_ssa_loop_done): Ditto.
5724 * predict.c (tree_estimate_probability): Ditto.
5725 * recog.c (split_all_insns_noflow): Ditto.
5726 (rest_of_handle_peephole2): Ditto.
5727 (rest_of_handle_split_all_insns): Ditto.
5728 * tree-eh.c (lower_eh_constructs): Ditto.
5729 * regmove.c (rest_of_handle_regmove): Ditto.
5730 (rest_of_handle_stack_adjustments): Ditto.
5731 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5732 * function.c (instantiate_virtual_regs): Ditto.
5733 (init_function_for_compilation): Ditto.
5734 (rest_of_handle_check_leaf_regs): Ditto.
5735 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5736 (rest_of_handle_gcse): Ditto.
5737 * ipa-type-escape.c (type_escape_execute): Ditto.
5738 * alias.c (rest_of_handle_cfg): Ditto.
5739 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5740 * profile.c (rest_of_handle_branch_prob): Ditto.
5741 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5742 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5743 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5744 * tree-dfa.c (find_referenced_vars): Ditto.
5745 * except.c (set_nothrow_function_flags): Ditto.
5746 (convert_to_eh_region_ranges): Ditto.
5747 (rest_of_handle_eh): Ditto.
5748 * emit-rtl.c (unshare_all_rtl): Ditto.
5749 (remove_unnecessary_notes): Ditto.
5750 * except.h (set_nothrow_function_flags): Ditto.
5751 (convert_to_eh_region_ranges): Ditto.
5752 * cfgexpand.c (tree_expand_cfg): Ditto.
5753 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5754 * tree-ssa-pre.c (do_pre): Ditto.
5755 (execute_fre): Ditto.
5756 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5757 (rest_of_handle_jump2): Ditto.
5758 * tree-sra.c (tree_sra): Ditto.
5759 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5760 (execute_mudflap_function_decls): Ditto.
5761 * tree-ssa-copy.c (do_copy_prop): Ditto.
5762 (do_store_copy_prop): Ditto.
5763 * ipa-prop.h (ipcp_driver): Ditto.
5764 * cfglayout.c (insn_locators_initialize): Ditto.
5765 * tree-ssa-forwprop.c
5766 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5767 * cfglayout.h (insn_locators_initialize): Ditto.
5768 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5769 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5770 (execute_late_warn_uninitialized): Ditto.
5771 * rtl.h (cleanup_barriers): Ditto.
5772 (split_all_insns_noflow): Ditto.
5773 (purge_line_number_notes): Ditto.
5774 (unshare_all_rtl): Ditto.
5775 (remove_unnecessary_notes): Ditto.
5776 (recompute_reg_usage): Ditto.
5777 (variable_tracking_main): Ditto.
5778 * integrate.c (emit_initial_value_sets): Ditto.
5779 * integrate.h (emit_initial_value_sets): Ditto.
5780 * tree-optimize.c (execute_free_datastructures): Ditto
5781 (execute_free_cfg_annotations): Ditto.
5782 (execute_fixup_cfg): Ditto.
5783 (execute_cleanup_cfg_pre_ipa): Ditto.
5784 (execute_cleanup_cfg_post_optimizing): Ditto.
5785 (execute_init_datastructures): Ditto.
5786 * tree-object-size.c (compute_object_sizes): Ditto.
5787 * combine.c (rest_of_handle_combine): Ditto.
5788 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5789 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5790 (rest_of_handle_reorder_blocks): Ditto.
5791 (rest_of_handle_partition_blocks): Ditto.
5792 * var-tracking.c (variable_tracking_main): Ditto.
5793 * tree-profile.c (tree_profiling): Ditto.
5794 * tree-vect-generic.c (expand_vector_operations): Ditto.
5795 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5796 * sched-rgn.c (rest_of_handle_sched): Ditto.
5797 (rest_of_handle_sched2): Ditto.
5798 * basic-block.h (free_bb_insn): Ditto.
5799 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5800 * tree-cfg.c (execute_build_cfg): Ditto.
5801 (remove_useless_stmts): Ditto.
5802 (split_critical_edges): Ditto.
5803 (execute_warn_function_return): Ditto.
5804 (execute_warn_function_noreturn): Ditto.
5805 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5806 * cfgrtl.c (free_bb_for_insn): Ditto.
5807 * passes.c (execute_one_pass): Run additional
5808 todos returned by execute function.
5809 * tree-pass.h (struct tree_opt_pass): Make execute
5812 2006-03-02 Richard Guenther <rguenther@suse.de>
5814 * tree-ssa-alias.c (find_used_portions): Consider taking
5815 the address as making the variable not write-only.
5817 2006-03-02 Nick Clifton <nickc@redhat.com>
5819 * config.gcc (default_use_cxa_atexit): Extend the description of
5820 this configure variable. Set its default value to "yes" for
5821 Linux, NetBSD and ELF targets on the assumption that they will
5822 use C libraries with the __cxa_atexit function.
5824 2006-03-02 Ben Elliston <bje@au.ibm.com>
5826 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5827 parameter as unused to suppress a build warning.
5829 2006-03-02 Ben Elliston <bje@au.ibm.com>
5831 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5834 2006-03-01 Roger Sayle <roger@eyesopen.com>
5837 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5838 declared name, the weak reference name, and the typeof name.
5839 (__gthrw): Avoid expanding the declared name suffix.
5840 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5842 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5844 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5846 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5847 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5848 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5849 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5850 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5851 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5852 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5853 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5854 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5855 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5856 (DW_END_default, DW_END_big, DW_END_little): New.
5857 (DW_END_lo_user, DW_END_hi_user): Define.
5858 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5859 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5860 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5863 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5865 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5867 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5869 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5871 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5873 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5874 to 'symbol_mem_tag'.
5876 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5879 2006-03-01 Roger Sayle <roger@eyesopen.com>
5881 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5883 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5886 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5887 MACHO_DYNAMIC_NO_PIC_P.
5888 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5890 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5893 * config/darwin-protos.h (darwin_asm_output_anchor):
5895 * config/darwin-sections.def (cstring_section):
5896 Add SECTION_MERGE to the flags.
5897 (literal4_section): Likewise.
5898 (literal8_section): Likewise.
5899 (objc_selector_refs_section): Likewise.
5900 (objc_cls_refs_section): Likewise.
5901 * config/darwin.c (darwin_asm_output_anchor): New
5903 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5905 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5907 Fix PR tree-optimization/26443
5908 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5909 to todo and PROP_tmt_usage to properties_destroyed.
5910 * tree-ssa-ccp.c (pass_ccp): Ditto.
5911 (pass_store_ccp): Ditto.
5912 * tree-ssa-dom.c (pass_dominator): Ditto.
5914 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5916 * tree-ssa-operands.c: Cleanup whitespace.
5917 (get_asm_expr_operands): Move before first invocation.
5918 (get_indirect_ref_operands): Likewise.
5919 (get_tmr_operands): Likewise.
5920 (get_call_expr_operands): Likewise.
5921 (append_def): Likewise.
5922 (append_use): Likewise.
5923 (append_v_may_def): Likewise.
5924 (append_v_must_def): Likewise.
5925 (add_call_clobber_ops): Likewise.
5926 (add_call_read_ops): Likewise.
5927 (add_stmt_operand): Likewise.
5928 (add_virtual_operand): Likewise.
5929 (build_ssa_operands): Likewise.
5931 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5936 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5937 with a call expr to ...
5938 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5940 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5942 * tree-vrp.c (extract_range_from_assert): Remove special
5943 handling for types with super-types.
5945 2006-03-01 Ben Elliston <bje@au.ibm.com>
5947 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5948 and powerpc64-*-linux* configurations.
5949 * config/t-dfprules: New file.
5951 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5952 Compile dfp-bit.c from the source directory using -DWIDTH and
5953 $DFP_CFLAGS to control the compilation of that file, rather than
5954 generating width-specific versions in the build directory.
5955 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5956 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5958 2006-02-28 Zack Weinberg <zackw@panix.com>
5960 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5963 2006-02-28 Eric Christopher <echristo@apple.com>
5965 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5966 Set up IN_LIBGCC definition of TARGET_64BIT.
5967 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5969 2006-02-28 Roger Sayle <roger@eyesopen.com>
5972 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5973 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5974 cases via the construction of "expr != 0".
5976 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5978 * alias.c (alias_invariant, alias_invariant_size): Remove.
5979 (record_base_value): Remove.
5980 (memrefs_conflict_p): Don't look at alias_invariant.
5981 (end_alias_analysis): Don't free it.
5982 * alias.h (record_base_value): Remove prototype.
5984 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5985 Adam Nemet <anemet@caviumnetworks.com>
5987 * rtl.h (truncated_to_mode): Declare it.
5988 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5989 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5990 (RTL_HOOKS_INITIALIZER): Include it.
5991 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5992 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5993 reg_truncated_to_mode.
5994 * rtlanal.c (truncated_to_mode): Define it.
5995 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5997 2006-02-28 Jeff Law <law@redhat.com>
5999 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6000 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6001 the range allowed by TYPE_PRECISION.
6003 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6005 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6007 PR tree-optimization/26419
6008 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6011 2006-02-27 Zack Weinberg <zackw@panix.com>
6013 * doc/md.texi: Fix typo in previous change.
6015 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6019 2006-02-27 Zack Weinberg <zackw@panix.com>
6021 * rtl.def (define_constraint, define_register_constraint)
6022 (define_memory_constraint, define_address_constraint): New MD forms.
6023 * gensupport.c (process_rtx): Put define_constraint etc on the
6025 * genpreds.c (process_define_predicate): Adjust comment. Validate
6026 the name, and call validate_exp to validate the expression.
6027 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6028 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6029 all callers changed.
6030 (validate_exp, needs_variable, struct constraint_data)
6031 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6032 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6033 (const_dbl_constraints, constraint_max_namelen)
6034 (have_register_constraints, have_memory_constraints)
6035 (have_address_constraints, have_address_constraints)
6036 (have_extra_constraints, have_const_int_constraints)
6037 (have_const_dbl_constraints, mangle, add_constraint)
6038 (process_define_constraint, process_define_register_constraint)
6039 (write_enum_constraint_num, write_lookup_constraint)
6040 (write_insn_constraint_len, write_regclass_for_constraint)
6041 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6042 (write_insn_extra_memory_constraint)
6043 (write_insn_extra_address_constraint)
6044 (write_satisfies_constraint_fns): New.
6045 (write_tm_preds_h): If we have new-style constraint definitions,
6046 prototype the functions generated from them, and define the
6047 old constraint interface (still used by generic code) in terms of
6049 (write_insn_preds_c): If we have new-style constraint definitions,
6050 generate all relevant functions from those definitions.
6051 (main): Handle define_constraint etc.
6052 * genoutput.c (struct constraint_data, indep_constraints)
6053 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6054 (mdep_constraint_len): New data structures and functions, defined
6055 #ifdef USE_MD_CONSTRAINTS.
6056 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6057 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6058 use new logic to validate operand constraints against constraint
6060 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6062 * defaults.h: If none of the old-style constraint macros are
6063 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6064 old-style macros; and poison REG_CLASS_FROM_LETTER,
6065 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6067 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6068 * doc/md.texi: Document new constraint-definition mechanism and the
6069 C interface it provides. Remove references to old mechanism
6070 elsewhere in the document.
6071 (Machine Constraints): Use pathnames relative to gcc directory,
6072 i.e. config/ARCH/FILE. Change i386 section to refer to
6073 config/i386/predicates.md; update that section to match docstrings.
6074 * doc/tm.texi: Move all documentation of the old constraint-
6075 definition macros to their own section, clearly mark as obsolete.
6077 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6078 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6080 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6081 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6082 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6084 (splits and peepholes): Use satisfies_constraint_*.
6085 * config/i386/i386.c (memory_address_length)
6086 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6088 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6090 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6091 scalar operation to be put back into the loop.
6093 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6096 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6097 (extract_cie_info): Handle S flag in augmentation string.
6098 (execute_cfa_program): If context->signal_frame, execute also
6099 fs->pc == context->ra instructions.
6100 (uw_frame_state_for): If context->signal_frame, don't subtract one
6101 from context->ra to find FDE.
6102 (uw_update_context_1): Set context->signal_frame to
6104 (_Unwind_GetIPInfo): New function.
6105 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6106 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6108 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6109 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6110 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6111 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6112 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6113 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6114 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6115 x86_64_fallback_frame_state): Set fs->signal_frame.
6116 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6117 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6118 (frob_update_context): Likewise. Workaround missing S flag in
6119 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6120 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6121 Remove the psw_addr + 1 hack.
6123 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6125 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6126 with aggregates here.
6127 (find_func_aliases): Remove code for &<aggregate> from here.
6129 2006-02-26 Roger Sayle <roger@eyesopen.com>
6131 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6132 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6133 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6136 2006-02-26 Roger Sayle <roger@eyesopen.com>
6139 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6141 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6143 * opts.c (decode_options): Do not handle flag_strength_reduce.
6144 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6145 and OPT_fstrength_reduce.
6146 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6147 flag_prefetch_loop_arrays for being nonzero.
6148 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6150 (fprefetch-loop-arrays-rtl): Removed.
6151 (flag_prefetch_loop_arrays): Do not specify the value.
6153 * doc/passes.texi: Update documentation of loop optimizer
6155 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6156 -frerun-loop-opt): Remove.
6158 2006-02-26 Richard Guenther <rguenther@suse.de>
6160 PR tree-optimization/26421
6161 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6162 in function calls that are ADDR_EXPRs as using the whole structure.
6164 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6166 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6167 * tree-pass.h (pass_loop_optimize): Remove.
6168 * passes.c (pass_loop_optimize): Never run it.
6169 * toplev.c (backend_init): Don't call init_loop.
6170 * opts.c (flag_loop_optimize_set): Remove.
6171 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6172 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6173 the old RTL loop optimizer when profiling enabled.
6174 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6175 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6176 pre-headers for the sake of the old RTL loop optimizer.
6177 * Makefile.in: Remove all references to loop.o.
6179 * doc/invoke.texi: Remove all references to -floop-optimize
6180 and -frerun-loop-opt.
6182 2006-02-26 Zack Weinberg <zackw@panix.com>
6184 * doc/md.texi (Machine Constraints): Refer to all files with paths
6185 relative to gcc directory (i.e. config/CPU/file). Add missing
6186 @table @code ... @end table to M32C subsection.
6188 2006-02-26 Roger Sayle <roger@eyesopen.com>
6190 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6192 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6194 2006-02-26 Roger Sayle <roger@eyesopen.com>
6195 James A. Morrison <phython@gcc.gnu.org>
6198 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6199 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6200 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6201 signedness of the shift operation.
6203 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6205 PR tree-optimization/26359
6206 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6208 2006-02-25 Roger Sayle <roger@eyesopen.com>
6210 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6211 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6212 as X == 0, and some symmetry related transformations.
6213 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6215 2006-02-25 Roger Sayle <roger@eyesopen.com>
6218 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6219 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6220 symmetry related transformations. Fold (X^C1) == C2 as
6223 2006-02-25 Juergen Weigert <jw@suse.de>
6224 Richard Guenther <rguenther@suse.de>
6226 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6228 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6230 * combine.c (gen_lowpart_or_truncate): Call
6231 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6233 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6235 * doc/invoke.texi: Move -fopenmp description to "Options for
6237 Remove reference to -lgomp.
6239 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6241 * doc/install.texi: Require GNU tar version 1.14.
6243 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6245 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6246 * doc/invoke.texi (C++ Dialect Options): Document
6247 -fno-use-cxa-get-exception-ptr.
6248 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6249 * configure: Regenerate.
6250 * c.opt (fuse-cxa-get-exception-ptr): New.
6251 * c-opts.c (c_common_handle_option): Handle
6252 OPT_fuse_cxa_get_exception_ptr.
6253 * c-common.c (flag_use_cxa_atexit): Update documentation.
6254 (flag_use_cxa_get_exception_ptr): New.
6255 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6256 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6258 (C_COMMON_OVERRIDE_OPTIONS): New.
6260 2006-02-24 Roger Sayle <roger@eyesopen.com>
6263 * combine.c (try_combine): Explicitly check whether GET_CODE is
6264 a SET or a CLOBBER, instead on checking that it isn't a USE.
6266 2006-02-24 Roger Sayle <roger@eyesopen.com>
6268 * fold-const.c (fold_comparison): New subroutine of fold_binary
6269 containing transformations common to both the equality and
6270 ordering relational operators, factored out of fold_binary.
6271 (fold_binary): Separate out the equality operators (EQ_EXPR
6272 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6273 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6274 transformations common to both.
6275 (fold_div_compare): Fix latent bugs in the previously unreachable
6276 LT_EXPR and GE_EXPR cases.
6278 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6280 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6281 decl libname for clog to __clog on AIX.
6283 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6285 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6288 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6289 output traceback table for thunks. Localise rs6000_stack_info call.
6291 2006-02-23 Roger Sayle <roger@eyesopen.com>
6292 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6294 * gthr-posix.h (__gthrw): Fix typo in comment.
6296 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6298 * doc/cpp.texi (Character sets): Document that we do support
6299 input files to be in any character set.
6301 2006-02-23 Jeff Law <law@redhat.com>
6303 * tree.h (PHI_ARG_NONZERO): Remove.
6304 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6305 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6306 node to the new node.
6308 PR tree-optimization/26425
6309 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6310 min/max, then assume its varying.
6312 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6314 PR rtl-optimization/26316
6315 * rtlanal.c (enum may_trap_p_flags): New.
6316 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6317 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6318 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6319 (may_trap_after_code_motion_p): New function.
6320 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6321 (find_invariant_insn): Use may_trap_after_code_motion_p.
6322 * rtl.h (may_trap_after_code_motion_p): Declare.
6324 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6326 * emit-rtl.c (immed_double_const): Cleanup.
6328 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6330 Fix PR tree-optimization/26376
6331 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6334 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6337 * gimplify.c (omp_add_variable): Guard variable size decl test with
6338 DECL_SIZE (decl) check.
6340 2006-02-23 Richard Guenther <rguenther@suse.de>
6343 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6344 like aggregate types.
6346 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6348 * configure.ac: Add --with{,out}-long-double-128 configure option.
6349 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6350 * configure: Rebuilt.
6351 * config.in: Rebuilt.
6352 * doc/install.texi (Options specification): Document
6353 --with-long-double-128.
6355 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6356 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6357 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6358 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6360 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6362 * config/s390/s390.c (override_options): Handle
6363 TARGET_DEFAULT_LONG_DOUBLE_128.
6365 * config/alpha/alpha.c (override_options): Handle
6366 TARGET_DEFAULT_LONG_DOUBLE_128.
6368 * config/sparc/sparc.c (sparc_override_options): Handle
6369 TARGET_DEFAULT_LONG_DOUBLE_128.
6371 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6373 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6374 (real-install-headers-tar, real-install-headers-cpio)
6375 (real-install-headers-cp): New targets.
6377 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6379 * tree.h (variable_section): Delete.
6380 * varasm.c (variable_section): Delete.
6382 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6384 * install.texi: Add notes on install.texi2html.
6385 (Building in parallel): Do not use footnotes.
6387 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6390 * doc/install.texi (Configuration): Document --disable-libgomp.
6392 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6394 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6396 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6398 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6399 (vec_extractv2df_0_sse): New.
6401 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6403 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6404 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6405 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6406 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6407 to the result of the expression.
6408 (def_cfa_1): Adjust.
6409 (frame_pointer_cfa_offset): Rename to...
6410 (frame_pointer_fb_offset): ... this. Adjust all uses.
6411 (convert_cfa_to_loc_list): Rename to...
6412 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6413 Pass it on to build_cfa_loc.
6414 (compute_frame_pointer_to_cfa_displacement): Rename to...
6415 (compute_frame_pointer_to_fb_displacement): ... this. New
6416 offset parameter. Use it in computation.
6417 (gen_subprogram_die): Compute cfa_fb_offset with the new
6418 macro, and use it to compute the fb loc list and the
6421 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6423 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6424 replaced with register_operand.
6425 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6426 non-DREG is expensive.
6427 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6428 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6431 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6433 * doc/install.texi2html: Use set -e.
6435 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6437 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6438 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6439 * doc/invoke.texi (-fshared-data): Delete.
6440 * common.opt (fshared-data): Delete.
6441 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6442 (assemble_static_space): Remove #if 0 code.
6443 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6444 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6445 * config/cris/cris.h: Remove FIXME.
6447 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6449 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6452 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6455 * combine.c (simplify_shift_const_1): Disable nested shifts
6456 optimization for vector shifts.
6458 2006-02-20 Roger Sayle <roger@eyesopen.com>
6460 PR tree-optimization/26361
6461 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6462 of unsigned integer types.
6464 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6466 * tree-chrec.c (eq_evolutions_p): New.
6467 * tree-chrec.h (eq_evolutions_p): Declared.
6468 * tree-data-ref.c: Fix formatting.
6469 (datadep_stats, dependence_stats): New.
6471 (print_direction_vector): New.
6472 (dump_data_dependence_relation): Use print_direction_vector.
6473 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6474 (compute_subscript_distance): Static.
6475 (initialize_data_dependence_relation): Static. Get the number
6476 of loops surrounding the references from the callers, and initialize
6477 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6478 base_object_differ_p analyzers.
6479 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6480 compute_overlap_steps_for_affine_1_2,
6481 analyze_subscript_affine_affine): Count the classified dependences.
6482 Print a message when a test failed.
6483 (can_use_analyze_subscript_affine_affine): New.
6484 (analyze_siv_subscript): Compute the data dependences on symbolic
6485 scevs that verify can_use_analyze_subscript_affine_affine.
6486 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6487 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6488 Handle symbolic scevs.
6489 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6491 (subscript_dependence_tester): Moved...
6492 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6493 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6494 DDR_SIZE_VECT instead of getting it in parameter.
6495 (subscript_dependence_tester): ... here. Take as a parameter
6496 loop_nest_depth. Call build_classic_dist_vector and
6497 build_classic_dir_vector.
6498 (compute_affine_dependence): Update subscript_dependence_tester
6499 parameters. Update datadep_stats counters. Call
6500 compute_subscript_distance.
6501 (compute_self_dependence): Save the dist and dir vectors. Call
6502 compute_subscript_distance.
6503 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6504 (compute_all_dependences): Reorder parameters as they were before
6505 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6506 compute_subscript_distance. Update the use of
6507 compute_affine_dependence and initialize_data_dependence_relation.
6508 (find_data_references_in_loop): Handle COMPONENT_REF.
6509 (compute_data_dependences_for_loop): Initialize dependence_stats.
6510 Don't call build_classic_dist_vector and build_classic_dir_vector.
6511 Update the parameters of initialize_data_dependence_relation and
6512 compute_all_dependences. Print the statistics from datadep_stats.
6513 (analyze_all_data_dependences): Static. Not used until the pass for
6514 checking the data dependences is contributed.
6515 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6516 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6517 (initialize_data_dependence_relation, compute_affine_dependence,
6518 analyze_all_data_dependences, compute_subscript_distance): Removed.
6519 (print_direction_vector): New.
6520 * lambda.h (gcd): ... here.
6521 (lambda_vector_gcd): Moved here from gcd_vector.
6522 * lambda-code.c (gcd, gcd_vector): Removed.
6523 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6524 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6526 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6528 * ipa-type-escape.c: Tidy some comments and white space.
6529 * tree-ssa-operands.c: Likewise.
6531 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6534 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6535 (dump_decl_name): Do not walk the decl tree chains.
6536 * tree-pass.h (TDF_CHAIN): Remove.
6538 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6540 * Makefile.in (C): Remove
6542 (.PHONY): Remove C and PROTO
6544 2006-02-20 Roger Sayle <roger@eyesopen.com>
6547 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6548 deprecated CHAR_TYPE tree code.
6550 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6552 * configure.ac (target_list): Add install-info, dvi, html.
6553 * configure: Regenerate.
6555 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6556 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6557 treelang/Make-lang.in: Do not use double-colon rules.
6559 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6561 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6562 (TMT_USED_ALONE): New macro.
6563 * tree-pass.h (PROP_tmt_usage): New property.
6564 (TODO_update_tmt_usage): New todo.
6565 * tree-ssa-alias.c (updating_used_alone): New variable.
6566 (recalculate_used_alone): New function.
6567 (compute_may_aliases): Set updating_used_alone, call
6568 recalculate_used_alone.
6569 * tree-sra.c (pass_sra): Note that this pass destroys
6570 PROP_tmt_usage, and add TODO_update_tmt_usage.
6571 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6572 * tree-flow.h (updating_used_alone): Prototype.
6573 (recalculate_used_alone): Ditto.
6574 * passes.c (execute_todo): Add code to set updating_used_alone,
6575 and call recalculate.
6576 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6577 for clobber if used alone, and add assert to verify used_alone
6580 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6582 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6583 for non tls symbols added.
6584 (legitimize_address): Do nothing for PLUS expressions if one of the
6585 addends is a tls symbol reference.
6587 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6591 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6593 * Makefile.in (BOOTSTRAPPING): New.
6594 (quickstrap): New definition if BOOTSTRAPPING=yes.
6596 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6597 * configure.ac: Substitute all_selected_languages with the languages
6598 that were configured. For all the other variables except
6599 lang_specs_files, include all the languages in the tree.
6600 * configure: Regenerate.
6602 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6603 if there is one. Run the commands to run fixincludes in the same
6606 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6607 * doc/install.texi: Document exact conventions for searching target tools.
6608 Document --with-build-time-tools. Document toplevel bootstrap. Document
6609 something more about building an Ada cross-compiler. Don't list GNU Make
6610 requirements which affect all platforms.
6612 2006-02-19 Roger Sayle <roger@eyesopen.com>
6615 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6616 only equivalent if the have both the same mode and precision.
6618 2006-02-20 Ben Elliston <bje@au.ibm.com>
6620 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6622 2006-02-19 Roger Sayle <roger@eyesopen.com>
6623 Steven Bosscher <stevenb.gcc@gmail.com>
6625 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6626 constant pool references to identify stack mode constants.
6627 * rtlanal.c (constant_pool_constant_p): New predicate to check
6628 whether operand is a floating point constant in the pool.
6629 * rtl.h (constant_pool_constant_p): Prototype here.
6630 * loop.c (scan_loop): Avoid hoisting constants from the constant
6631 pool on STACK_REGS targets.
6632 (load_mems): Likewise.
6633 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6634 loads into x87 registers expensive in terms of register pressure.
6636 2006-02-19 Roger Sayle <roger@eyesopen.com>
6638 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6639 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6641 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6643 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6644 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6646 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6648 * doc/invoke.texi: Document -fipa-pta.
6649 * common.opt: Add ipa-pta option.
6650 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6651 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6652 (do_ds_constraint): Ditto.
6653 (get_constraint_for): Only add to referenced_vars if
6654 referenced_vars exists.
6655 (insert_into_field_list): Rewrite to do this unsorted.
6656 (insert_into_field_list_sorted): Rename old insert_into_field_list
6658 (create_function_info_for): Use insert_into_field_list_sorted.
6659 (create_variable_info_for): Rewrite so it uses unsorted version,
6660 since the field list is sorted.
6661 (intra_create_variable_infos): Only add to referenced_vars if
6662 referenced_vars exists.
6663 (ipa_pta_execute): Init heapvars, and delete when done.
6664 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6666 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6668 * doc/install.texi: Add missing `@samp'.
6670 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6672 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6675 2006-02-18 Mark Wielaard <mark@klomp.org>
6677 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6678 who added new 4.1 features, bug fixes and integration support.
6680 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6683 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6686 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6688 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6689 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6690 (copy_insn_1): Likewise. Don't copy each field individually.
6692 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6694 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6695 * rtl.c (rtx_size): Rename variable to...
6696 (rtx_code_size): ...this.
6697 (rtx_size): New function.
6698 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6699 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6701 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6702 * rtl.h (rtx_code_size): New variable.
6703 (rtx_size): Change from a variable to a function.
6704 (RTX_SIZE): Rename to...
6705 (RTX_CODE_SIZE): ...this.
6708 PR tree-optimization/17106
6709 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6710 (Anchored Addresses): New section.
6711 * doc/invoke.texi (-fsection-anchors): Document.
6712 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6713 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6714 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6715 * hooks.c (hook_bool_mode_rtx_false): New function.
6716 * hooks.h (hook_bool_mode_rtx_false): Declare.
6717 * gengtype.c (create_optional_field): New function.
6718 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6719 SYMBOL_REF_IN_BLOCK_P is true.
6720 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6721 (min_anchor_offset, max_anchor_offset): Likewise.
6722 (use_anchors_for_symbol_p): New hook.
6723 * toplev.c (compile_file): Call output_object_blocks.
6724 (target_supports_section_anchors_p): New function.
6725 (process_options): Check that -fsection-anchors is only used on
6726 targets that support it and when -funit-at-a-time is in effect.
6727 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6728 if the decl doesn't have one.
6729 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6730 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6731 of force_const_mem through use_anchored_address.
6732 (expand_expr_constant): New function.
6733 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6734 calling expand_expr for INDIRECT_REF.
6735 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6736 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6737 * expr.h (use_anchored_address): Declare.
6738 * loop-unroll.c: Don't declare rtx vectors here.
6739 * explow.c: Include output.h.
6740 (validize_mem): Call use_anchored_address.
6741 (use_anchored_address): New function.
6742 * common.opt (-fsection-anchors): New switch.
6743 * varasm.c (object_block_htab, anchor_labelno): New variables.
6744 (hash_section, object_block_entry_eq, object_block_entry_hash)
6745 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6746 (use_blocks_for_decl_p, change_symbol_section): New functions.
6747 (get_variable_section): New function, split out from assemble_variable.
6748 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6749 use_blocks_for_decl_p say so. Use change_symbol_section if the
6750 symbol has already been created.
6751 (assemble_variable_contents): New function, split out from...
6752 (assemble_variable): ...here. Don't output any code for
6753 block symbols; just pass them to place_block_symbol.
6754 Use get_variable_section and assemble_variable_contents.
6755 (get_constant_alignment, get_constant_section, get_constant_size): New
6756 functions, split from output_constant_def_contents.
6757 (build_constant_desc): Create a block symbol if use_object_blocks_p
6758 says so. Or into SYMBOL_REF_FLAGS.
6759 (assemble_constant_contents): New function, split from...
6760 (output_constant_def_contents): ...here. Don't output any code
6761 for block symbols; just pass them to place_section_symbol.
6762 Use get_constant_section and get_constant_alignment.
6763 (force_const_mem): Create a block symbol if use_object_blocks_p and
6764 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6765 (output_constant_pool_1): Add an explicit alignment argument.
6766 Don't switch sections here.
6767 (output_constant_pool): Adjust call to output_constant_pool_1.
6768 Switch sections here instead. Don't output anything for block symbols;
6769 just pass them to place_block_symbol.
6770 (init_varasm_once): Initialize object_block_htab.
6771 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6772 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6773 (place_block_symbol, get_section_anchor, output_object_block)
6774 (output_object_block_htab, output_object_blocks): New functions.
6775 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6776 (TARGET_ASM_OUT): Include it.
6777 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6778 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6779 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6780 (TARGET_INITIALIZER): Include them.
6781 * rtl.c (rtl_check_failed_block_symbol): New function.
6782 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6783 (block_symbol, object_block): New structures.
6784 (rtx_def): Add a block_symbol field to the union.
6785 (BLOCK_SYMBOL_CHECK): New macro.
6786 (rtl_check_failed_block_symbol): Declare.
6787 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6788 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6789 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6790 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6791 * output.h (output_section_symbols): Declare.
6792 (object_block): Name structure.
6793 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6794 (default_use_anchors_for_symbol_p): Declare.
6795 * Makefile.in (RTL_BASE_H): Add vec.h.
6796 (explow.o): Depend on output.h.
6797 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6798 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6799 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6800 (rs6000_use_blocks_for_constant_p): New function.
6802 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6804 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6806 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6809 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6812 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6814 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6818 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6821 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6822 instead of DECL_REGISTER.
6824 2006-02-18 Olivier Hainque <hainque@adacore.com>
6827 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6829 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6832 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6833 * opth-gen.awk: Handle Var and InverseMask together.
6834 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6835 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6836 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6837 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6839 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6840 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6841 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6842 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6843 LINUX_DYNAMIC_LINKER): Define.
6844 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6845 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6847 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6848 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6849 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6851 (TARGET_C99_FUNCTIONS): Don't define.
6852 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6853 GLIBC_DYNAMIC_LINKER.
6854 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6855 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6856 GLIBC_DYNAMIC_LINKER64): Define.
6857 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6858 LINUX_DYNAMIC_LINKER64.
6859 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6860 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6861 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6863 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6865 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6866 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6867 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6869 and LINUX_DYNAMIC_LINKER32.
6870 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6871 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6872 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6873 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6874 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6876 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6877 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6878 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6879 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6880 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6881 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6882 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6883 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6884 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6885 LINUX_DYNAMIC_LINKER): Define.
6886 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6887 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6888 GLIBC_DYNAMIC_LINKER64): Define.
6889 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6890 LINUX_DYNAMIC_LINKER64.
6891 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6892 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6893 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6894 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6895 LINUX_DYNAMIC_LINKER): Define.
6896 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6897 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6898 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6899 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6900 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6901 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6902 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6903 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6904 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6905 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6907 * doc/invoke.texi (-muclibc): Remove caveat about supported
6910 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6912 * doc/cpp.texi (__TIMESTAMP__): Document.
6914 2006-02-17 Roger Sayle <roger@eyesopen.com>
6917 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6918 C is one less than the width of X (and related transformations).
6919 * simplify-rtx.c (simplify_unary_operation_1): Transform
6920 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6921 depending on STORE_FLAG_VALUE, were C is one less then the
6924 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6926 Fix PR tree-optimization/26341
6927 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6928 about NAME_MEMORY_TAG's.
6930 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6933 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6934 with hardware float support, and software float support. Add fcpy
6935 alternative to hardware patterns. Add alternatives to copy between
6936 general and floating-point registers to the 32-bit pattern.
6937 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6938 secondary reload to load a QI or HI mode constant into a floating
6940 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6941 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6943 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6946 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6948 (load_macho_picbase_di): Likewise.
6950 2006-02-16 Jeff Law <law@redhat.com>
6952 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6953 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6954 (ssa_name_nonzero_p): Likewise.
6955 (get_value_range): Return NULL if VRP is not running.
6956 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6957 VRP routines do not discover a range.
6958 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6959 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6960 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6961 (tree_expr_nonnegative_p): Similarly.
6962 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6963 (restore_nonzero_vars_to_original_value): Remove.
6964 (unsafe_associative_fp_binop): Remove.
6965 (tree_ssa_dominator_optimize): Remove initialization and
6966 finalization of nonzero_vars and nonzero_vars_stack.
6967 (dom_opt_initialize_block): No longer push marker on
6969 (dom_opt_finalize_block): No longer call
6970 restore_nonzero_vars_to_original_value.
6971 (record_equivalences_from_phis): No longer look for
6972 nonzero PHI arguments.
6973 (cprop_into_successor_phis): No longer propagate nonzero
6974 property into PHI arguments. Lose unused argument. Caller
6976 (record_equivalences_from_stmt): No longer record nonzero
6977 values for SSA_NAMEs.
6978 (lookup_avail_expr): No longer use nonzero_vars.
6980 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6981 for sizetype when sizetype is unsigned.
6983 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6985 PR rtl-optimization/25603
6986 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6987 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6988 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6989 with new meaning of SETS.
6991 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6996 * config/linux.opt: New file.
6997 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6998 LINUX_DYNAMIC_LINKER): Define.
6999 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7000 * config.gcc (*-*-linux*): Define extra_options.
7001 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7002 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7003 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7004 GLIBC_DYNAMIC_LINKER.
7005 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7006 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7007 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7009 * doc/invoke.texi (GNU/Linux Options): New section.
7011 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7013 * config/sparc/sparc.md (setjmp): Rewrite.
7014 (setjmp_32): Delete.
7015 (setjmp_64): Likewise.
7017 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7019 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7022 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7024 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7027 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7029 PR rtl-optimization/26296
7030 * Makefile.in (loop-invariant.c): Add except.h dependency.
7031 * loop-invariant.c: Include except.h.
7032 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7034 2005-02-16 Paul Brook <paul@codesourcery.com>
7036 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7039 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7041 PR rtl-optimization/25636
7042 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7043 when deciding whether an insn is an initializing insn.
7045 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7047 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7048 (tree_code_size): Ditto.
7049 * tree.h (struct tree_memory_tag): Remove parent_var.
7050 (struct tree_struct_field_tag): New.
7053 (union tree_node): Add sft member.
7054 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7056 (create_sft): Add size and offset argument, set SFT_OFFSET and
7058 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7059 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7060 * tree-flow-inline.h (get_subvar_at): Update for
7061 SFT_OFFSET/SFT_SIZE.
7062 (var_can_have_subvars): Ditto.
7063 (overlap_subvar): Ditto.
7064 * print-tree.c (print_node): Print out interesting things for
7066 * tree-flow.h (struct subvar): Remove offset and size members.
7067 * tree-ssa-operands.c (get_expr_operands): Update for
7068 get_indirect_ref_operands changes.
7069 (get_indirect_ref_operands): Call add_virtual_operand instead of
7070 add_stmt_operand. Only recurse on base var if requested.
7071 (access_can_touch_variable): New function.
7072 (add_stmt_operand): Split virtual operand handling into ...
7073 (add_virtual_operand): Here. Add offset, size, and for_clobber
7074 arguments. Prune alias sets.
7075 (add_call_clobber_ops): Call add_virtual_operand.
7077 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7080 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7082 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7083 than TREE_CODE as index into omp_clause_num_ops array.
7085 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7087 PR rtl-optimization/26184
7088 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7090 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7091 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7092 must_precede, must_follow and tobe_scheduled.
7095 * opts.c (common_handle_option): Free new_option pointer.
7096 * df-core.c (df_analyze): Free postorder pointer.
7098 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7100 * Makefile.in: Fix the examples about the use of stamps
7102 2006-02-15 Michael Matz <matz@suse.de>
7106 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7107 influenced by maximum_field_alignment or DECL_PACKED.
7108 (update_alignment_for_field): Ditto.
7109 (place_field): Ditto.
7110 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7113 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7115 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7116 (debug_flow_info): Pass it.
7117 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7118 * bb-reorder.c (reorder_basic_blocks): Likewise.
7119 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7120 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7121 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7122 * gcse.c (gcse_main, bypass_jumps): Likewise.
7123 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7124 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7125 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7126 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7127 * rtl.h (dump_flow_info): Adjust prototype.
7128 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7129 * var-tracking.c (variable_tracking_main): Likewise.
7130 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7131 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7134 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7136 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7139 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7141 PR tree-optimization/26209
7142 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7143 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7145 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7147 2006-02-14 Roger Sayle <roger@eyesopen.com>
7150 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7151 (X,Y) and the corresponding symmetry related transformations.
7152 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7153 (X,Y) and its symmetry related transformations.
7155 2006-02-14 Roger Sayle <roger@eyesopen.com>
7157 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7160 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7162 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7164 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7167 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7168 support COMDAT group.
7169 * configure: Regenerate.
7171 2006-02-14 Roger Sayle <roger@eyesopen.com>
7176 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7178 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7180 Fix PR tree-optimization/26260
7182 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7184 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7185 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7186 * tree-ssa-structalias.c (create_variable_info_for): Use
7187 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7189 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7191 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7193 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7194 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7195 of the ending condition.
7196 * tree-ssa-loop-manip.c: Include params.h.
7197 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7198 tree_unroll_loop): New functions.
7199 * tree-pass.h (pass_loop_prefetch): Declare.
7200 * loop.c (rest_of_handle_loop_optimize): Test for
7201 -fprefetch-loop-arrays-rtl.
7202 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7203 * timevar.def (TV_TREE_PREFETCH): New timevar.
7204 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7205 pass_loop_prefetch): New.
7206 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7207 (cleanup_tree_cfg_loop): Call scev_reset.
7208 * common.opt (fprefetch-loop-arrays-rtl): Add.
7209 * tree-ssa-loop-prefetch.c: New file.
7210 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7211 (new_temp_expr_table): Initialize expr_vars.
7212 (free_temp_expr_table): Cleanup expr_vars.
7213 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7214 expressions from being merged into one.
7215 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7216 (struct tree_niter_desc): Add control, bound and cmp fields.
7217 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7219 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7220 (tree-cfgcleanup.o): Add SCEV_H dependency.
7221 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7222 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7224 2006-02-14 Richard Guenther <rguenther@suse.de>
7226 PR tree-optimization/26258
7227 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7228 in PHI argument processing.
7230 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7232 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7233 new expression in the requested machine mode.
7235 2006-02-13 Roger Sayle <roger@eyesopen.com>
7237 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7238 directly, instead let do_compare_rtx_and_jump handle this for us.
7239 * expr.c (expand_expr_real_1): Likewise.
7240 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7241 before do_jump_by_parts_greater.
7242 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7243 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7245 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7247 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7249 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7251 PR rtl-optimization/26235
7252 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7253 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7256 2006-02-13 Jeff Law <law@redhat.com>
7258 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7261 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7264 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7265 twice if decl is a builtin. When trying again, call get_callee_fndecl
7266 first to verify it is still a builtin.
7268 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7270 * dwarf2out.c (base_type_die): Don't add AT_name here.
7271 (subrange_type_die): Don't add AT_name here.
7272 (modified_type_die): Rearrange code flow. Do add AT_name here.
7274 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7276 PR rtl-optimization/26247
7277 PR rtl-optimization/26248
7278 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7280 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7282 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7283 * config/fixtfdi.c: Likewise.
7284 * config/fixunstfdi.c: Likewise.
7285 * config/floatditf.c: Likewise.
7287 2006-02-13 Roger Sayle <roger@eyesopen.com>
7290 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7291 into (X,C2) if C1 is a subset of the bits of C2. Transform
7292 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7294 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7296 2006-02-13 Josh Conner <jconner@apple.com>
7299 * varasm.c (function_section): Check for section name before
7300 calling select_section on targets that define
7301 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7302 unlikely_text_section instead of hot_function_section if
7303 first_function_block_is_cold.
7305 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7308 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7310 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7312 PR rtl-optimization/26222
7313 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7314 after tree->rtl expansion.
7315 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7316 before passing it to emit_move_insn.
7318 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7320 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7322 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7323 Clarify documentation.
7324 * c-common.h (warn_write_strings): Remove.
7325 * c-common.c (warn_write_strings): Likewise.
7326 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7329 2006-02-12 Roger Sayle <roger@eyesopen.com>
7332 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7333 (do_jump_parts_zero_rtx): New function renamed from
7334 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7335 (do_jump_parts_equality_rtx): New function split out from
7336 do_jump_parts_equality. Old implementation renamed as above.
7337 Call do_jump_parts_zero_rtx if either operand is zero.
7338 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7339 do all of the heavy lifting.
7340 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7341 calling either do_jump_by_parts_greater_rtx or
7342 do_jump_by_parts_equality_rtx.
7343 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7344 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7345 moved to do_compare_rtx_and_jump, call it directly.
7346 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7347 mode argument. Call do_compare_rtx_and_jump.
7348 (emit_case_nodes): Update calls to do_jump_if_equal.
7350 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7352 PR rtl-optimization/26225
7353 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7355 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7357 PR rtl-optimization/26232
7358 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7360 2006-02-11 Jason Merrill <jason@redhat.com>
7363 * tree-inline.c (declare_return_variable): Just don't use the
7364 modify target if it's a gimple complex reg and the return slot
7367 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7369 * doc/contrib.texi: Update my entry.
7371 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7373 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7375 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7377 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7380 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7382 * doc/invoke.texi (-floop-optimize2): Removed.
7383 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7384 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7385 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7386 * common.opt (floop-optimize2): Removed.
7387 (fmove-loop-invariants): Enabled by default.
7389 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7391 * tree-if-conv.c (combine_blocks): Free the result of
7392 get_loop_exit_edges.
7394 2006-02-10 Jeff Law <law@redhat.com>
7396 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7398 PR tree-optimization/26213
7399 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7400 loop trying to follow SSA_NAME_VALUE chains.
7402 2006-02-10 Richard Guenther <rguenther@suse.de>
7404 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7405 deal with structures that end in implicitly variable sized arrays.
7407 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7409 PR rtl-optimization/24762
7410 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7413 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7415 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7416 (struct ivopts_data): Add regs_used field.
7417 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7418 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7419 instead of loop_data->regs_used;
7420 (free_loop_data): Do not free aux fields for loops.
7421 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7422 and tree_ssa_iv_optimize_finalize.
7424 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7426 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7428 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7431 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7432 computing the effective result type.
7434 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7437 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7438 (tree_overlaps_hard_reg_set): Declare.
7439 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7440 type and signature to match function type expected by walk_tree.
7441 (tree_overlaps_hard_reg_set): New function.
7442 (decl_conflicts_with_clobbers_p): Rename to:
7443 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7444 Use tree_overlaps_hard_reg_set. Changed caller.
7445 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7446 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7447 * cris.c (cris_md_asm_clobbers): Likewise.
7449 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7451 * reload1.c (emit_input_reload_insns): Delete code that tries to
7452 inherit using find_equiv_reg.
7454 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7456 * c-common.h (flag_const_strings): Don't declare.
7457 * c-common.c (flag_const_strings): Remove.
7458 * c.opt (fconst_strings): Remove.
7459 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7460 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7461 (c_common_init_options): Don't set flag_const_strings.
7462 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7464 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7466 * arm.md (tlobits_cbranch): New pattern.
7467 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7468 testing a single bit.
7470 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7473 * tree-ssa-pre.c (create_component_ref_by_pieces):
7474 Handle RETURN_DECL like VAR_DECL.
7476 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7479 * fold-const.c (fold_indirect_ref_1): Fold
7480 "*(foo *)&complexfoo" to "__real__ complexfoo"
7481 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7483 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7485 * tree-flow-inline.h (var_can_have_subvars):
7486 Volatile variables should not have subvariables.
7488 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7491 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7492 multiplying unsigned values.
7495 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7497 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7499 2006-02-08 Jason Merrill <jason@redhat.com>
7502 * tree.def: Elaborate on difference from MODIFY_EXPR.
7503 * doc/c-tree.texi (INIT_EXPR): Likewise.
7504 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7505 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7506 (gimplify_target_expr): Likewise.
7507 (gimplify_cond_expr): Remove target handling.
7508 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7509 (gimplify_expr): Clobber it here.
7510 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7511 Do return slot optimization if we have an INIT_EXPR.
7514 * tree-inline.c (declare_return_variable): Also clear
7515 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7518 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7521 * gimplify.c (gimplify_one_sizepos): Fix typo.
7523 2006-02-08 Jeff Law <law@redhat.com>
7525 PR tree-optimization/21417
7526 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7527 across a backedge if the control statement at the end of the
7528 block is data dependent on other statements in the same block.
7529 (record_temporary_equivalences_from_stmts): Remove over-conservative
7530 test for threading across backedges.
7532 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7533 control statement, handle all three special cases in the same
7534 manner as they all have the same desired solution. No longer
7535 special case edge flag updating when the post dominator is
7538 2006-02-08 Roger Sayle <roger@eyesopen.com>
7540 * tree.def (CHAR_TYPE): Remove.
7541 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7542 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7543 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7544 (gen_string_type_die): Delete unreachable function.
7546 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7547 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7548 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7549 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7550 * builtins.c (type_to_class): Likewise.
7551 * fold-const.c (fold_convert, build_range_check,
7552 merge_ranges): Likewise.
7553 * expr.c (count_type_elements): Likewise.
7554 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7555 * stor-layout.c (layout_type): Likewise.
7556 * ipa-type-escape.c (type_to_consider): Likewise.
7557 * gimplify.c (omp_firstprivatize_type_sizes,
7558 gimplify_type_sizes): Likewise.
7559 * explow.c (promote_mode): Likewise.
7560 * tree-sra.c (is_sra_scalar_type): Likewise.
7561 * varasm.c (output_constant): Likewise.
7562 * tree-inline.c (remap_type_1): Likewise.
7563 * convert.c (convert_to_pointer, convert_to_real,
7564 convert_to_integer, convert_to_complex): Likewise.
7566 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7568 * df-scan.c (df_def_record_1): A set destination may
7569 be a parallel regardless of mode.
7571 2006-02-08 Roger Sayle <roger@eyesopen.com>
7574 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7575 * config/mips/_tilib.c: Remove.
7576 * config/fixtfdi.c: New libgcc source file.
7577 * config/fixunstfdi.c: New source file.
7578 * config/floatditf.c: New source file.
7579 * config/floatunditf.c: New souce file.
7580 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7581 files above instead of config/mips/_tilib.c.
7582 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7584 2006-02-08 Jeff Law <law@redhat.com>
7586 PR tree-optimization/26169
7587 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7590 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7592 * df.h (DF_REG_SIZE): Return the length of the initialized
7595 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7597 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7598 __muldf3): Return a correctly signed zero.
7600 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7602 * passes.c (register_one_dump_file): Accept the current properties
7603 instead of pass number. Adjust call to dump_register. Remove
7605 (register_dump_files): Now a wrapper around...
7606 (register_dump_files_1): ... this one. Do not modify the pass
7608 (next_pass_1): Cosmetic fix.
7609 (execute_todo): Keep second parameter only. Use curr_properties
7610 instead of fetching it from the pass structure. Check and set
7612 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7613 instead of fetching it from the pass structure. Fix calls to
7614 execute_todo. Update curr_properties and initialize .vcg RTL dump
7615 after running the pass. Reset last_verified.
7616 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7618 (FIRST_AUTO_NUMBERED_DUMP): New.
7619 (dump_register): Remove "num" parameter, assign it within the
7621 (get_dump_file_name): Modify template for dumps.
7622 * tree-dump.h (dump_register): Adjust prototype.
7623 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7624 (PROP_trees): Add PROP_gimple_lomp.
7625 (TODO_set_props): New.
7626 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7627 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7628 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7630 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7632 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7633 (sparc64-*-linux*): Likewise.
7634 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7635 * config/sparc/t-linux: New file.
7636 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7637 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7638 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7639 -m32 -mlong-double-128.
7641 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7642 * config/alpha/t-linux: New file.
7643 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7645 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7646 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7647 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7648 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7649 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7650 (CPP_ARCH32_SPEC): Remove.
7652 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7654 PR tree-optimization/26145
7655 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7658 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7661 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7662 >= 240000 when generating code for SOM runtime.
7663 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7664 to $$dyncall when generating code for SOM runtime..
7666 2006-02-07 Dirk Mueller <dmueller@suse.com>
7669 * doc/invoke.texi (-Wsequence-point): Update documentation
7670 that -Wsequence-point is implemented for C++ as well.
7672 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7674 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7675 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7676 (LIB_SPEC): Likewise.
7677 * doc/invoke.texi (SPARC options): Document -pthread.
7679 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7681 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7684 2006-02-07 Roger Sayle <roger@eyesopen.com>
7686 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7687 Correct comment describing BOOLEAN_TYPE.
7689 2006-02-07 Dirk Mueller <dmueller@suse.com>
7691 * c.opt: C++ frontend supports -Wdiv-by-zero.
7692 * c-opts.c (c_common_handle_option): Remove dead case.
7694 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7696 * configure.ac (TLS assembler check): Do not enable TLS by
7697 default on SPARC/Solaris before version 10.
7698 * configure: Regenerate.
7700 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7702 * doc/invoke.texi (xl-compat): Document conversion and support
7705 2006-02-07 Jeff Law <law@redhat.com>
7707 * tree-vrp.c (find_conditional_asserts): Update comments.
7708 (simplify_stmt_for_jump_threading): New.
7709 (identify_jump_threads, finalize_jump_threads): New.
7710 (vrp_finalize): Call identify_jump_threads.
7711 (execute_vrp): Call finalize_jump_threads.
7712 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7713 (vrp_element, vrp_data, vrp_element_p): Remove.
7714 (vrp_hash_elt, vrp_variables_stack): Remove.
7715 (vrp_hash, vrp_eq, record_range): Remove.
7716 (simplify_cond_and_lookup_avail_expr): Remove.
7717 (extract_range_from_cond): Remove.
7718 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7719 (simplify_stmt_for_jump_threading): New.
7720 (dom_thread_across_edge): New wrapper.
7721 (tree_ssa_dominator_optimize): No longer initialize or
7722 finalize any of the VRP datastructures. Remove iteration
7723 step and simplify as a result of removal of iteration step.
7724 (pass_dominator): Perform a cfg cleanup after DOM.
7725 (dom_opt_finalize_block): Use the new common routines
7726 for threading jumps. Simplify stack management slightly.
7727 No longer need to unwind VRP state.
7728 (record_equivalences_from_incoming_edge): No longer record
7730 (eliminate_redundant_computations): No longer call
7731 simplify_cond_and_lookup_avail_expr.
7732 * tree-flow.h (potentially_threadable_block): Prototype.
7733 (thread_across_edge): Likewise.
7734 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7735 (tree-ssa-threadedge.o): Add dependencies.
7736 * tree-ssa-threadedge.c: New file.
7737 * passes.c (init_optimization_passes): Merge PHIs before
7738 calling VRP. Run VRP again late in the SSA optimization pipeline.
7740 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7742 * df-core.c (df_set_blocks): Do not dereference function pointers.
7743 (df_finish1): Likewise.
7744 (df_hybrid_search_forward): Likewise.
7745 (df_hybrid_search_backward): Likewise.
7746 (df_iterative_dataflow): Likewise.
7747 (df_analyze_problem): Likewise.
7748 (df_compact_blocks): Likewise.
7749 (df_dump): Likewise.
7750 * df-scan.c (df_rescan_blocks): Likewise.
7751 (df_record_entry_block_defs): Likewise.
7753 * genconditions.c (write_conditions): Guard the definition of
7754 'insn_conditions' with the check on GCC version.
7755 (write_writer): Guard the traversal 'insn_conditions' with
7756 the check on GCC version.
7758 2006-02-07 Richard Guenther <rguenther@suse.de>
7762 2006-01-30 Richard Guenther <rguenther@suse.de>
7764 * gimplify.c (gimplify_target_expr): Handle easy cases
7765 without creating a temporary.
7767 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7769 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7770 use of float in probability computations. Use edge probabilities
7771 in place of statically computed probabilities.
7772 (min_spec_prob): New static variable.
7773 (schedule_insns): Initialize it.
7774 (GET_SRC_PROB): Removed.
7775 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7777 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7780 * config/ia64/unwind-ia64.c: Revert last change.
7781 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7782 (INCOMING_FRAME_SP_OFFSET): Define.
7784 2006-02-06 Roger Sayle <roger@eyesopen.com>
7786 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7788 2006-02-07 Ben Elliston <bje@au.ibm.com>
7790 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7791 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7792 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7793 (ix86_return_in_memory): Handle TDmode.
7794 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7795 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7797 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7799 * reorg.c (dbr_schedule): Use dump_file instead of file.
7801 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7804 * config/ia64/predicates.md (extr_len_operand): New predicate.
7805 * config/ia64/ia64.md (extv): Tighten constraints.
7807 (*tbit_and_2): Ditto.
7808 (*tbit_and_3): Ditto.
7809 (*tbit_or_2): Ditto.
7810 (*tbit_or_3): Ditto.
7814 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7817 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7819 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7821 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7822 loop_optimizer_init and loop_optimizer_finalize
7823 * tree-ssa-sink.c (execute_sink_code): Ditto.
7824 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7825 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7826 tree_ssa_loop_done): Ditto.
7827 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7828 * sched-ebb.c: Include output.h.
7829 (schedule_ebbs): Do not use dump argument.
7830 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7831 * loop.c (loop_dump_stream): Removed.
7832 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7834 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7835 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7836 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7837 loop_iterations, strength_reduce, record_biv, record_giv,
7838 final_giv_value, check_final_value, check_ext_dependent_givs,
7839 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7840 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7841 dump_file instead of loop_dump_stream.
7842 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7844 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7846 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7847 * haifa-sched.c: Include output.h
7848 (schedule_insns, sched_init): Do not use dump argument.
7849 * mode-switching.c (optimize_mode_switching): Ditto.
7850 * modulo-sched.c (stats_file): Removed.
7851 (print_node_sched_params): Do not call argument dump_file.
7852 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7853 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7855 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7857 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7858 rtl_loop_init, rtl_loop_done): Ditto.
7859 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7860 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7862 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7863 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7864 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7865 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7866 * emit-rtl.c (renumber_insns): Ditto.
7867 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7868 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7869 * regclass.c (regclass): Ditto.
7870 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7871 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7872 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7873 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7875 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7876 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7878 * gcse.c (gcse_file, debug_stderr): Removed.
7879 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7880 rest_of_handle_gcse): Do not use dump argument.
7881 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7882 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7883 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7884 compute_code_hoist_vbeinout, compute_code_hoist_data,
7885 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7886 compute_store_table, build_store_vectors, insert_insn_start_bb,
7887 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7888 store_motion): Use dump_file instead of gcse_file.
7889 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7890 * profile.c (profile_dump_file): Removed.
7891 (branch_prob): Use dump_file instead of profile_dump_file.
7892 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7894 * tree-ssa-copy.c (dump_copy_of): Ditto.
7895 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7896 dump file to life_analysis.
7897 * bt-load.c (branch_target_load_optimize): Ditto.
7898 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7900 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7901 regclass, dbr_schedule): Declaration changed.
7902 * sched-int.h (sched_init): Declaration changed.
7903 * tree-profile.c (tree_profile_dump_file): Removed.
7904 (tree_profile_hooks): Removed profile_dump_file hook.
7905 * rtl-profile (rtl_profile_dump_file): Removed.
7906 (rtl_profile_hooks): emoved profile_dump_file hook.
7907 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7909 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7910 * tree-cfg.c (build_tree_cfg): Ditto.
7911 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7912 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7913 Declaration changed.
7914 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7915 life_analysis and schedule_insns.
7916 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7918 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7920 * config/mips/mips.c (mips_reorg): Ditto.
7921 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7924 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7926 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7927 (s390_mangle_fundamental_type): New.
7928 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7931 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7932 (alpha_mangle_fundamental_type): New.
7933 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7936 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7938 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7940 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7941 (sparc_mangle_fundamental_type): New.
7943 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7945 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7946 (s390x-*-linux*): Likewise.
7947 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7948 * config/s390/t-linux: New file.
7950 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7952 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7953 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7955 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7957 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7958 (ANTIC_SAFE_LOADS): New macro.
7959 (find_or_generate_expression): Add prototype.
7960 (set_contains_value): Allow null set for sake of not always having
7961 to allocate ANTIC_SAFE_LOADS.
7962 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7963 Allow COMPONENT_REF too.
7964 (valid_in_set): Allow COMPONENT_REF.
7965 Check ANTIC_SAFE_LOADS too.
7966 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7967 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7969 (can_PRE_operation): Add COMPONENT_REF.
7970 (create_component_ref_by_pieces): New function.
7971 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7972 (insert_aux): Move AGGREGATE_TYPE_P check here.
7973 (compute_avail): Set bb local stmt uids.
7974 (pass_pre): Use TODO_update_ssa_only_virtuals.
7976 2006-02-06 Ben Elliston <bje@au.ibm.com>
7978 * configure.ac: Unconditionally disable decimal float by default.
7979 * configure: Regenerate.
7981 2006-02-06 Ben Elliston <bje@au.ibm.com>
7983 * read-rtl.c (read_name): Terminate reading on EOF.
7985 2006-02-06 Ben Elliston <bje@au.ibm.com>
7987 * dfp.c (decimal_real_arithmetic): Change second argument type
7988 from int to enum tree_code. Do not always return true, but now
7989 return result of any call to decimal_do helper functions.
7990 * dfp.h (decimal_real_arithmetic): Update prototype.
7992 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7994 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7996 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7999 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8002 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8004 * tree-vrp.c (cfg_loops): Removed.
8005 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8006 Use current_loops instead of cfg_loops. Pass flags to
8007 loop_optimizer_init.
8008 * cfgloopmanip.c (fix_loop_structure): Update only available
8010 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8011 loop_optimizer_init.
8012 * modulo-sched.c (build_loops_structure): Removed.
8013 (sms_schedule): Use loop_optimizer_init.
8014 * loop-init.c (loop_optimizer_init): Use flags to determine
8015 which properties of loops to prepare.
8016 (rtl_loop_init): Pass flags to loop_optimizer_init.
8017 * tree-ssa-sink.c (execute_sink_code): Ditto.
8018 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8019 * tree-ssa-pre.c (init_pre): Ditto.
8020 * cfgloop.h (LOOPS_NORMAL): New.
8021 (loop_optimizer_init): Declaration changed.
8023 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8025 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8026 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8028 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8030 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8032 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8033 * pa/t-pa64: Delete quadlib.c rule.
8034 * pa/x-ada: Revert last change.
8035 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8037 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8039 PR rtl-optimization/26087
8040 * rtlanal.c (canonicalize_condition): Do not cross basic block
8043 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8046 * config/ia64/ia64.c: Include debug.h.
8047 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8048 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8049 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8050 (process_epilogue, process_set, process_for_unwind_directive):
8051 Output unwind info only if requested. Add CFA info if requested.
8052 Add new arguments as needed. Adjust callers.
8053 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8055 (DWARF2_FRAME_INFO): Define to zero.
8056 * config/ia64/unwind-ia64.c: Remove code that compensated for
8057 the CFA offset error fixed above.
8058 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8059 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8060 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8061 -funwind-tables and -fexceptions to enable frame info.
8062 (dwarf2out_frame_init): Define initial CFA even if
8063 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8064 DWARF2_UNWIND_INFO is nonzero, not just defined.
8065 (dwarf2out_frame_finish): Output non-EH call frame info only
8066 if DWARF2_FRAME_INFO is nonzero.
8067 (convert_cfa_to_loc_list,
8068 compute_frame_pointer_to_cfa_displacement): Define even if
8069 unwind info is not supported.
8070 (gen_subprogram_die): Use the above unconditionally. Remove
8071 legacy alternate code.
8072 * toplev.c (compile_file): Compile in call to
8073 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8074 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8076 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8077 Jakub Jelinek <jakub@redhat.com>
8079 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8080 IBM extended float format long double as "g" on powerpc*-linux.
8082 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8085 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8086 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8088 2006-02-03 Jason Merrill <jason@redhat.com>
8091 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8094 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8095 on the return slot if it's an NRV.
8097 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8099 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8100 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8101 rewrite_use): Do not handle USE_OUTER.
8102 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8103 add_iv_outer_candidates, may_replace_final_value,
8104 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8105 (find_interesting_uses_op): Functionality of
8106 find_interesting_uses_outer_or_nonlin moved here.
8107 (find_interesting_uses_outside): Use find_interesting_uses_op.
8109 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8112 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8114 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8115 Ulrich Weigand <uweigand@de.ibm.com>
8118 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8119 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8120 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8121 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8123 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8124 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8125 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8126 Define secondary reloads for TFmode moves.
8127 (constant_modes): Add TFmode.
8128 (NR_C_MODES): Set to 8.
8129 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8131 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8132 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8133 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8134 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8135 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8136 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8137 (FPR mode macro): Add TFmode.
8138 (DSF mode macro): New.
8139 (<de>, <dee> mode attributes): Removed.
8140 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8141 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8142 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8143 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8144 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8145 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8146 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8147 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8148 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8149 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8150 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8151 "*negabs<mode>2", "sqrt<mode>2"):
8152 Changed <de> to <xde>. R constraint replaced by <Rf>.
8153 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8155 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8156 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8157 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8159 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8160 "extenddftf2", "extendsftf2"): New expanders.
8161 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8162 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8163 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8164 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8166 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8167 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8168 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8169 __floatditf): Add a GCC_4.1.0 symbol version tag.
8170 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8173 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8176 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8177 Use targetm.binds_local_p instead of TREE_PUBLIC.
8179 2006-02-02 Roger Sayle <roger@eyesopen.com>
8181 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8182 on INTEGER_TYPEs to indicate that it denotes a character type.
8183 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8184 signed_char_type_node, unsigned_char_type_node and char_type_node.
8185 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8186 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8187 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8189 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8190 Daniel Berlin <dberlin@dberlin.org>
8192 * tree-tailcall.c (arg_needs_copy_p): New function.
8193 (eliminate_tail_call): Use arg_needs_copy_p.
8194 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8195 (add_virtual_phis): New function.
8197 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8199 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8200 #ignore instead of #scratch for %g7 .register directive.
8202 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8204 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8207 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8209 * flow.c (calculate_global_regs_live): Assert that there aren't any
8212 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8214 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8216 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8217 bsi_after_labels iterator.
8218 * tree-if-conv.c (find_phi_replacement_condition,
8219 replace_phi_with_cond_modify_expr): Likewise.
8220 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8221 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8223 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8225 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8227 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8230 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8231 array after growing it.
8233 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8236 * fold-const.c (fold_checksum_tree): Change type of buf.
8238 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8240 * reload.c (push_secondary_reload): Initialize t_icode.
8242 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8244 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8245 -msoft-float -mlong-double-128 only issue a warning, but don't
8246 swich to DFmode long double.
8248 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8250 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8251 has a constant equivalent, iterate over equivalents for arg0,
8252 calling simplify_relational_operation and if there's a result
8253 cheaper than X, apply fold_rtx and return the result.
8255 2006-02-01 Jan Hubicka <jh@suse.cz>
8257 * opts.c (no_unit_at_a_time_default): New global variable.
8258 (decode_options): Use it.
8259 * opts.h (no_unit_at_a_time_default): Declare.
8261 2006-02-01 Paul Brook <paul@codesourcery.com>
8263 * function.c (assign_parm_setup_reg): Use function argument promotion
8265 * expr.c (expand_expr_real_1): Use function argument promotion rules
8268 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8270 * gcc.c (process_command): Change j to 'unsigned int'.
8272 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8275 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8276 Use the corrected index for the character
8277 out of the string constant.
8279 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8281 * mode-switching.c (optimize_mode_switching): Fix size
8282 allocated for bb_info[n_entities].
8284 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8286 * gcc.c (main): Correct type that is allocated for
8287 explicit_link_files.
8289 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8291 * config/s390/s390.c (init_alignment_context): Set
8292 ALIAS_SET_MEMORY_BARRIER on the MEM.
8293 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8295 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8298 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8300 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8303 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8305 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8306 * regrename.c: Ditto.
8307 * tree-ssa-loop-im.c: Ditto.
8308 * tree-dump.c: Ditto.
8309 * tree-complex.c: Ditto.
8310 * genrecog.c: Ditto.
8311 * tree-ssa-threadupdate.c: Ditto.
8313 * java/class.c: Ditto.
8314 * java/jcf-parse.c: Ditto.
8315 * java/resource.c: Ditto.
8316 * java/except.c: Ditto.
8317 * java/jvspec.c: Ditto.
8318 * java/jcf-write.c: Ditto.
8319 * java/jcf-path.c: Ditto.
8320 * java/gjavah.c: Ditto.
8321 * java/zextract.c: Ditto.
8322 * java/jcf-io.c: Ditto.
8323 * java/jcf.h: Ditto.
8324 * java/buffer.c: Ditto.
8325 * java/lang.c: Ditto.
8326 * java/parse-scan.y: Ditto.
8327 * java/lex.c: Ditto.
8328 * java/lex.h: Ditto.
8329 * cfgloopmanip.c: Ditto.
8330 * postreload-gcse.c: Ditto.
8331 * tree-ssa-loop-manip.c: Ditto.
8332 * postreload.c: Ditto.
8333 * tree-ssa-loop-ch.c: Ditto.
8337 * diagnostic.c: Ditto.
8339 * genoutput.c: Ditto.
8341 * cfghooks.c: Ditto.
8342 * cfgloopanal.c: Ditto.
8343 * objc/objc-act.c: Ditto.
8345 * genextract.c: Ditto.
8346 * genautomata.c: Ditto.
8347 * pretty-print.c: Ditto.
8349 * cgraphunit.c: Ditto.
8352 * haifa-sched.c: Ditto.
8353 * dominance.c: Ditto.
8355 * tree-ssa-loop-ivopts.c: Ditto.
8357 * mode-switching.c: Ditto.
8358 * modulo-sched.c: Ditto.
8360 * ipa-pure-const.c: Ditto.
8362 * fix-header.c: Ditto.
8364 * tree-stdarg.c: Ditto.
8365 * ipa-utils.c: Ditto.
8366 * loop-init.c: Ditto.
8367 * ipa-inline.c: Ditto.
8370 * alloc-pool.c: Ditto.
8371 * dwarf2out.c: Ditto.
8373 * genattrtab.c: Ditto.
8374 * tree-ssa-loop-ivcanon.c: Ditto.
8378 * fortran/gfortranspec.c: Ditto.
8380 * local-alloc.c: Ditto.
8381 * langhooks.c: Ditto.
8382 * function.c: Ditto.
8383 * tree-vectorizer.c: Ditto.
8385 * ipa-type-escape.c: Ditto.
8387 * tree-if-conv.c: Ditto.
8390 * tree-data-ref.c: Ditto.
8391 * loop-unroll.c: Ditto.
8392 * treelang/treetree.c: Ditto.
8395 * ggc-common.c: Ditto.
8397 * coverage.c: Ditto.
8399 * tree-cfgcleanup.c: Ditto.
8400 * tree-ssa-pre.c: Ditto.
8401 * cfgcleanup.c: Ditto.
8402 * loop-invariant.c: Ditto.
8404 * ipa-prop.c: Ditto.
8405 * print-tree.c: Ditto.
8406 * conflict.c: Ditto.
8407 * ggc-page.c: Ditto.
8408 * sched-deps.c: Ditto.
8409 * regclass.c: Ditto.
8410 * tree-object-size.c: Ditto.
8412 * bb-reorder.c: Ditto.
8413 * resource.c: Ditto.
8414 * var-tracking.c: Ditto.
8416 * df-problems.c: Ditto.
8417 * reg-stack.c: Ditto.
8420 * sched-rgn.c: Ditto.
8421 * tree-ssa-structalias.c: Ditto.
8422 * tree-ssa-reassoc.c: Ditto.
8423 * config/darwin-c.c: Ditto.
8424 * config/darwin.c: Ditto.
8425 * config/arm/arm.c: Ditto.
8427 * collect2.c: Ditto.
8430 2006-01-31 Nicolas Pitre <nico@cam.org>
8432 * arm.md (smaxsi3): Make aware of smax_m1.
8435 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8437 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8439 2006-01-31 Richard Guenther <rguenther@suse.de>
8441 * doc/invoke.texi (-msselibm): Document.
8442 * target.h (expand_library_builtin): New target hook.
8443 * builtins.c (expand_builtin): Use expand_library_builtin.
8444 (default_expand_library_builtin): New function.
8445 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8446 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8447 (link_gcc_math_spec): Declare.
8448 (static_specs): Add link_gcc_math_spec.
8449 * expr.h (default_expand_library_builtin): Declare.
8450 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8451 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8452 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8453 * config/i386/i386.opt (msselibm): New target option.
8454 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8455 (ix86_init_sse_abi_builtins): New function.
8456 (ix86_expand_library_builtin): Likewise.
8457 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8458 (override_options): Handle error conditions wrt -msselibm.
8459 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8460 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8461 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8464 2006-01-31 Richard Guenther <rguenther@suse.de>
8465 Paolo Bonzini <bonzini@gnu.org>
8467 * doc/install.texi (--disable-libgcc-math): Document.
8469 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8471 * expr.h (expand_normal): new inline function.
8472 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8474 * dwarf2out.c: use it.
8479 * config/sparc/sparc.c: use it.
8480 * config/i386/i386.c: use it.
8481 * config/rs6000/rs6000.c: use it.
8482 * config/arm/arm.c: use it.
8483 * config/mips/mips.c: use it.
8484 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8486 2006-01-30 Roger Sayle <roger@eyesopen.com>
8488 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8489 argv to the appropriate type.
8491 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8493 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8496 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8499 * config/s390/s390.c (struct machine_function): New flag
8500 decomposed_literal_pool_addresses_ok_p.
8501 (s390_reorg): Set it before final stage of literal pool transforms.
8502 (s390_decompose_address): Only accept displacements of the form
8503 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8505 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8507 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8508 the comparison routine return.
8510 2006-01-30 Michael Matz <matz@suse.de>
8512 * global.c (find_reg): Only evict for global regs.
8513 Take n_refs into account and dump more info.
8515 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8518 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8519 (pragma_trap, pragma_nosave_low_regs): Likewise.
8520 (current_function_anonymous_args): Likewise.
8521 (sh_deferred_function_attributes): New variable.
8522 (sh_deferred_function_attributes_tail): Likewise.
8523 (print_operand): For '@', look up trap_exit attribute.
8524 (calc_live_regs): Look up trapa_handler attribute. For trapa
8525 handlers, save/restore fpscr, but don't do any other
8526 interrupt-specific saves.
8527 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8528 Fix check for partially saved registers to check for SHmedia.
8529 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8530 (sh_output_function_epilogue): Don't clear any of the removed
8532 (sh_insert_attributes): Don't check pragma_interrupt.
8533 Insert deferred attributes. Check that interrupt attribute is
8534 present for other attributes that require its presence.
8535 (sh_attribute_table): Add new attributes trapa_handler and
8537 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8538 Don't check for pragma_interrupt. Don't store argument.
8539 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8540 (sh_deferred_function_attributes): Declare.
8541 (sh_deferred_function_attributes_tail): Likewise.
8542 * sh.md (sp_switch_1): Add operand. Change generator caller.
8543 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8544 (*return_i): Don't use when trap_exit attribute is in effect.
8545 (*return_trapa): New insn pattern.
8547 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8548 setting c_target_objs and cxx_target_objs.
8549 * t-sh: Add rule for sh-c.o.
8551 2006-01-30 Richard Guenther <rguenther@suse.de>
8554 * gimplify.c (gimplify_target_expr): Handle easy cases
8555 without creating a temporary.
8557 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8559 * vec.h (safe_grow): Remove duplicated line.
8561 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8564 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8565 (expand_omp): ... here.
8566 (expand_omp_parallel): Only remove barriers for combined
8567 parallel+workshare constructs.
8569 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8573 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8574 * tree.c (build_qualified_type): Chain the new type to the original
8575 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8576 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8577 (build_pointer_type_for_mode): Only return unqualified types.
8578 (build_reference_type_for_mode): Likewise.
8580 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8582 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8583 * Makefile.in (CXX_COMPAT_WARN): Define.
8584 * configure: Regenerate.
8586 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8589 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8592 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8594 * toplev.c: Fix thinko.
8596 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8597 Marcin Dalecki <martin@dalecki.de>
8599 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8600 (push_srcloc): Use XNEW.
8601 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8603 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8605 * df-core.c (df_set_blocks): Deleted all variable.
8607 2006-01-28 Ian Lance Taylor <ian@airs.com>
8609 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8610 cgraph_output_pending_asms.
8612 2006-01-28 Zack Weinberg <zackw@panix.com>
8614 * c.opt: Add -W(no-)overlength-strings.
8615 * doc/invoke.texi: Document it.
8616 * c-opts.c (c_common_handle_option): -pedantic implies
8617 -Woverlength-strings, if not explicitly disabled already.
8618 (c_common_post_options): -Woverlength-strings defaults to off, and
8619 is always off for C++.
8620 * c-common.c (fix_string_type): Issue warning about strings longer
8621 than is portable only if warn_overlength_strings. Rearrange code
8622 a little for clarity.
8623 * configure.in: Check for -Wno-overlength-strings as well before
8624 enabling -pedantic in stage 1.
8625 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8626 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8628 * genconditions.c (write_header, write_one_condition)
8629 (write_conditions, write_writer): Consolidate very long strings
8630 that were broken up to fit in C89 portable limit. Don't use
8631 printf when fputs will do.
8633 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8635 * combine.c (simplify_comparison <AND>): Check
8636 TRULY_NOOP_TRUNCATION before start using a subreg.
8638 * config/mips/mips.md (*branch_zero<mode>,
8639 *branch_zero<mode>_inverted, *branch_equality<mode>,
8640 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8641 Remove mode check from comparisons.
8643 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8645 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8647 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8649 * expmed.c (const_mult_add_overflow_p): Remove.
8650 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8652 * recog.c (validate_replace_rtx_subexp): Remove.
8653 * recog.h: Remove the prototype for
8654 validate_replace_rtx_subexp.
8656 * integrate.h: Remove the prototype for
8657 copy_decl_for_inlining.
8658 * rtl.h: Remove the prototype for mark_constant_function.
8659 * tree-vectorizer.h: Remove the prototype for
8660 vect_strip_conversion.
8662 * modulo-sched.c (create_partial_schedule,
8663 free_partial_schedule, reset_partial_schedule): Make them
8666 * hooks.c (hook_bool_rtx_int_false): Remove.
8667 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8669 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8671 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8672 and -mlong-double-128 are incompatible.
8673 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8674 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8675 (TARGET_LIBGCC2_CFLAGS): Define.
8676 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8677 (TARGET_LIBGCC2_CFLAGS): Same.
8678 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8680 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8683 * c-typeck.c (build_binary_op): Perform implicit casts of
8684 operands before shortening them.
8686 * cfgloopmanip.c (split_loop_bb): Remove.
8687 * cfgloop.h: Remove the prototype for split_loop_bb.
8689 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8690 * cfgloop.h: Remove the prototype for
8691 flow_loop_outside_edge_p.
8693 * emit-rtl.c (init_virtual_regs): Make it static.
8694 * function.h: Remove the prototype for init_virtual_regs.
8696 * recog.c (peephole2_optimize): Make it static.
8697 * recog.h: Remove the prototype for peephole2_optimize.
8699 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8701 * df-scan.c (df_record_entry_block_defs): Check if
8702 INCOMING_RETURN_ADDR_RTX is defined.
8704 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8705 Kenneth Zadeck <zadeck@naturalbridge.com>
8707 PR rtl-optimization/24762
8708 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8709 * targhooks.c (hook_void_bitmap): New hook prototype.
8710 * targhoohs.h (hook_void_bitmap): Ditto.
8711 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8712 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8713 * target.h (live_on_entry): New function pointer.
8714 * df-scan.c (df_all_hard_regs): Removed.
8715 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8716 (df_scan_free_internal): Added df->entry_block_defs.
8717 (df_scan_alloc): Ditto.
8718 (df_scan_dump): Ditto.
8719 (df_uses_record): Plumbed flag field properly thru calls.
8720 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8721 This part fixes PR24762.
8722 (df_bb_refs_record): Added code to make the frame and arg
8723 pointers live in EH blocks.
8724 (df_refs_record): Added call to df_record_entry_block_defs.
8725 (df_record_entry_block_defs): New function.
8726 * df-core.c: Added comments to describe new artifical defs.
8727 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8728 (entry_block_defs): New field in struct df.
8729 (df_all_hard_regs): Deleted.
8730 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8731 * df-problems.c (df_ru_bb_local_compute_process_def):
8732 Added code to handle artifical defs in the entry to a function.
8733 (df_ru_bb_local_compute): Ditto.
8734 (df_rd_bb_local_compute_process_def): Ditto.
8735 (df_rd_bb_local_compute): Ditto.
8736 (df_lr_bb_local_compute): Ditto.
8737 (df_ur_bb_local_compute): Ditto.
8738 (df_urec_bb_local_compute): Ditto.
8739 (df_chain_create_bb): Ditto.
8740 (df_ur_local_finalize): Removed entry.
8741 (df_urec_init): Ditto.
8742 (df_urec_local_finalize): Ditto.
8743 (df_ri_bb_compute): Added detection of last use of pseudos.
8744 * Makefile.in (df-scan.o): Updated dependencies.
8745 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8746 * config/mips/mips.c (mips_set_live_on_entry): Added.
8747 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8749 * dce.c (marked_insn_p): Added code to handle artifical defs.
8751 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8753 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8755 (_mm_cvtsi128_si64): Likewise.
8756 (_mm_cvtsd_si64): Likewise.
8757 (_mm_cvttsd_si64): Likewise.
8758 (_mm_cvtsi64_sd): Likewise.
8759 (_mm_cvtsi64_si128): Likewise.
8760 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8761 (_mm_cvtsi64_m64): Likewise.
8762 (_m_to_int64): Likewise.
8763 (_mm_cvtm64_si64): Likewise.
8764 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8765 (_mm_cvttss_si64): Likewise.
8766 (_mm_cvtsi64_ss): Likewise.
8767 (_mm_cvtss_f32): Likewise.
8769 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8771 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8772 for pragma redefine_extname.
8774 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8777 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8778 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8779 -mno-minimal-toc to previous content.
8780 (bispecs): Remove goal.
8781 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8782 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8783 compatibility aliases on powerpc-*-*gnu*.
8784 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8785 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8786 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8787 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8788 (ldblspecs): New goal.
8789 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8790 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8792 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8793 L_sf_to_tf or L_df_to_tf is defined.
8795 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8796 Alan Modra <amodra@bigpond.net.au>
8799 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8800 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8801 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8802 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8803 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8804 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8805 (rs6000_override_options): Initialize rs6000_ieeequad.
8806 Initialize TFmode format to ibm_extended_format if not
8808 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8810 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8811 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8812 (function_arg_advance): IBM long double passed in two FPRs, not
8814 (function_arg): IBM long double passed in FPRs.
8815 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8816 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8817 Only multireg GPR aligned.
8818 (rs6000_init_libfuncs): Enable IBM long double functions if not
8820 (rs6000_generate_compare): Use IBM long double compare if not
8822 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8823 (TARGET_IEEEQUAD): Define.
8824 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8825 not TARGET_IEEEQUAD.
8826 * config/rs6000/rs6000.md: Enable TFmode patterns if
8828 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8829 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8830 and -mlong-double-128 are incompatible.
8831 * doc/invoke.texi (-mabi): Collect options together. Add
8832 ibmlongdouble and ieeelongdouble.
8834 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8836 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8838 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8839 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8840 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8841 * rtl.h (rtunion_def): Remove rt_ptr.
8843 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8844 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8845 * config/i386/winnt.c (i386_pe_mark_dllexport)
8846 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8848 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8850 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8852 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8856 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8857 pthread_key_delete. From John David Anglin. gthrw-ify
8858 pthread_getunique_np only if it it's not a macro. Delete
8860 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8861 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8862 __gthread_objc_condition_signal, __gthread_key_delete): Add
8863 "__attribute__ ((__unused__))" to unused arguments.
8864 (__gthread_recursive_mutex_init_function): Add missing return.
8865 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8866 gthr-posix95.h: Use macro-based approach for name redirection
8867 on targets missing weakref.
8869 2006-01-26 Zack Weinberg <zackw@panix.com>
8871 * genconditions.c (write_header): In generated code, #ifdef out
8872 all includes and fake declarations, except includes of bconfig.h
8873 and system.h, unless GCC_VERSION >= 3001. Do not include
8874 gensupport.h in any case.
8875 (write_conditions): Generate a definition of struct c_test. Add
8876 a comment to the generated #endif.
8877 (write_one_condition): Escape backslashes in string too.
8878 (write_writer): Generated code must escape backslashes and quote
8879 marks (but not newlines) in the strings it writes.
8880 * Makefile.in (build/gencondmd.o): Update dependencies.
8882 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8885 * Makefile.in (insn-automata.o): Add header file dependencies.
8886 * genautomata.c: Add includes.
8888 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8891 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8893 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8895 * configure.ac: Expect target tools paths to be passed from the toplevel
8896 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8898 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8900 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8903 * c.opt (Wpointer-sign): Init to -1.
8904 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8905 OPT_pedantic, to 0 otherwise.
8906 * doc/invoke.texi: Update.
8908 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8910 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8911 constants provided by 80387 instructions in the destination mode.
8913 2006-01-26 Richard Guenther <rguenther@suse.de>
8914 Andrew Pinski <pinskia@physics.uc.edu>
8917 partial PR tree-opt/17064
8918 * tree-ssa-structalias.c (intra_create_variable_infos):
8919 Create heap variables for incoming parameters if
8920 flag_argument_noalias > 1.
8921 (find_what_p_points_to): Look through default defs of
8924 2006-01-26 Jeff Law <law@redhat.com>
8927 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8928 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8929 within the VR_RANGE, use the VR_RANGE as the result, not the
8931 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8932 bounds for the type.
8934 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8936 * tree-ssa-alias.c (maybe_create_global_var): Change
8937 subvar walking to an assertion that we don't have subvar'd variables.
8939 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8942 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8943 Use a new variable, inner. PARM_DECLs are always non-weak.
8945 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8947 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8950 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8952 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8954 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8956 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8957 (smax_insn, smin_insn, smax_0, smin_0): New.
8959 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8962 * config/cris/cris.c (cris_order_for_addsi3): New function.
8963 * config/cris/cris-protos.h: Prototype it.
8964 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8965 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8966 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8967 (split for "op.S1 [rx=rx+i],ry (swapped)")
8968 (split for "op(s|u).S1 [rx=rx+i],ry")
8969 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8970 Apply cris_order_for_addsi3 when generating addsi3 insns.
8972 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8974 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8975 (TREE_BLOCK): Add call to EXPR_CHECK.
8977 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8980 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8981 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8982 (dump_omp_clauses): ... here.
8983 (dump_generic_node): Handle OMP_CLAUSE.
8984 * tree.c (omp_clause_num_ops): New.
8985 (omp_clause_code_name): New.
8986 (tree_code_size): Handle OMP_CLAUSE.
8987 (tree_size): Likewise.
8988 (make_node): Document handling of OMP_CLAUSE.
8989 (tree_node_structure): Handle OMP_CLAUSE.
8990 (omp_clause_check_failed): New.
8991 (omp_clause_range_check_failed): New.
8992 (omp_clause_operand_check_failed): New.
8993 (build_omp_clause): New.
8994 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8995 * tree.h (enum omp_clause_code): Declare.
8996 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8997 (OMP_CLAUSE_RANGE_CHECK): Define.
8998 (OMP_CLAUSE_ELT_CHECK): Define.
8999 (omp_clause_check_failed): Declare.
9000 (omp_clause_operand_check_failed): Declare.
9001 (omp_clause_range_check_failed): Declare.
9002 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9003 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9004 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9005 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9006 (OMP_CLAUSE_IF_EXPR): Likewise.
9007 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9008 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9009 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9010 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9011 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9012 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9013 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9014 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9015 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9016 (OMP_CLAUSE_CODE): Define.
9017 (OMP_CLAUSE_SET_CODE): Define.
9018 (OMP_CLAUSE_CODE): Define.
9019 (OMP_CLAUSE_OPERAND): Define.
9020 (struct tree_omp_clause): Declare.
9021 (union tree_node): Add field 'omp_clause'.
9022 * treestruct.def (TS_OMP_CLAUSE): Define.
9023 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9024 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9025 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9026 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9027 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9028 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9029 (OMP_CLAUSE): Define.
9030 * print-tree.c (print_node): Handle OMP_CLAUSE.
9031 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9032 * c-typeck.c: Likewise.
9033 * gimplify.c: Likewise.
9034 * c-omp.c: Likewise.
9035 * tree-nested.c: Likewise.
9036 * tree-inline.c: Likewise.
9037 * c-parser.c: Likewise.
9038 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9041 2006-01-25 Roger Sayle <roger@eyesopen.com>
9043 PR rtl-optimization/25703
9044 * combine.c (try_combine): Handle zero_extract and strict_low_part
9045 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9047 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9049 * global.c: Fix comment typos.
9051 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9054 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9055 Use output_addr_const instead of assemble_name.
9057 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9059 * Makefile.in (sched-vis.o): Update dependencies.
9060 * haifa-sched.c (sched_finish): Clear current_sched_info.
9061 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9062 (dump_flow_info): Call it.
9063 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9065 * basic-block.h (dump_bb_info): Declare.
9066 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9067 option, and apply options only for dump files whose TDF_RTL,
9068 TDF_TREE, or TDF_IPA bits match.
9069 * rtl.h: Declare new functions exported from sched-vis.c.
9070 * sched-vis.c: Enable also if scheduling is not used.
9071 (print_value): Print the mode of registers if not inside scheduling.
9072 (print_insn): Make it work outside the scheduler. Beautify the output
9074 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9076 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9078 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9079 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9080 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9081 depending on the value of CONSTANT_POOL_ADDRESS_P.
9082 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9084 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9085 rather than SYMBOL_REF_DECL.
9086 (rtx_constant_pool): Remove const_rtx_sym_htab.
9087 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9088 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9089 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9090 Remove handling of const_rtx_sym_htab.
9091 (find_pool_constant): Delete.
9092 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9093 rather than find_pool_constant.
9094 (get_pool_constant_for_function): Delete.
9095 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9097 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9098 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9099 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9100 (SYMBOL_REF_CONSTANT): New macro.
9101 (get_pool_constant_for_function): Delete.
9102 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9103 rather than SYMBOL_REF_DECL.
9104 (i386_pe_mark_dllimport): Likewise.
9105 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9106 rather than SYMBOL_REF_DECL.
9107 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9108 (machopic_indirect_call_target): Likewise.
9110 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9112 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9114 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9116 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9118 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9120 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9122 2006-01-24 David Daney <ddaney@avtrex.com>
9125 * configure.ac (enable_tls): New enable option.
9126 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9127 * configure: Regenerate.
9128 * doc/install.texi (--enable-tls): Document new option.
9129 (--disable-tls): Ditto.
9131 2006-01-24 Richard Henderson <rth@redehat.com>
9133 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9134 * alias.c (true_dependence): Respect it.
9135 (canon_true_dependence, write_dependence_p): Likewise.
9136 * builtins.c (get_builtin_sync_mem): Set it.
9138 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9140 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9143 2006-01-24 DJ Delorie <dj@redhat.com>
9145 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9146 for storing constants in single-bit bitfields.
9148 2006-01-25 Ben Elliston <bje@au.ibm.com>
9150 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9152 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9155 * tree-ssa-pre.c (phi_translate): Return NULL
9156 for AGGREGATE_TYPE's.
9158 2006-01-24 Zack Weinberg <zackw@panix.com>
9160 * genautomata.c (process_state_for_insn_equiv_partition):
9161 Use xcalloc for insn_arcs_array.
9162 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9163 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9165 2006-01-24 Richard Henderson <rth@redhat.com>
9167 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9170 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9172 PR rtl-optimization/25890
9173 PR rtl-optimization/25905
9174 * combine.c (expand_compound_operation, expand_field_assignment):
9175 Fail if the bitfield's final position is out of bounds.
9177 2006-01-24 Ian Lance Taylor <ian@airs.com>
9180 * cgraphunit.c (cgraph_output_in_order): Don't clear
9181 cgraph_asm_nodes until after asm strings have been output.
9183 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9185 * fix-header.c (read_scan_file): Add new parameter imultilib when
9186 calling register_include_chains.
9188 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9190 * omp-low.c: Update documentation.
9192 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9193 Daniel Berlin <dberlin@dberlin.org>
9197 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9198 return from the function.
9200 2006-01-22 Zack Weinberg <zackw@panix.com>
9202 * rtl.def (match_code): Add second argument.
9203 * genpreds.c (write_extract_subexp): New function.
9204 (write_match_code): Add path argument. Use write_extract_subexp.
9205 (write_predicate_expr): Pass path to write_match_code.
9206 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9207 not perform a mode test.
9208 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9209 a subexpression does not constrain the top-level code set.
9210 * read-rtl.c (read_rtx_variadic): New function.
9211 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9212 * doc/md.texi: Document new notation.
9213 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9214 (cmpsi_operand): ... here, using new notation.
9216 2006-01-22 Zack Weinberg <zackw@panix.com>
9218 * varray.c: Remove GENERATOR_FILE #ifdefs.
9220 2006-01-22 Zack Weinberg <zackw@panix.com>
9222 * genautomata.c (output_reserved_units_table): Emit nothing if
9223 description->query_units_num is zero. Remove extra blank line.
9224 (output_cpu_unit_reservation_p): Short circuit
9225 if description->query_units_num is zero.
9227 2006-01-22 Zack Weinberg <zackw@panix.com>
9229 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9230 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9231 nor any of the random handful of variables that used to be necessary
9232 when this program was linked with rtlanal.o. Prune set of forward
9233 function declarations.
9234 (struct attr_desc): Remove static_p field.
9235 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9236 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9237 (attr_string): Do not read the character one past the length of
9239 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9240 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9241 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9242 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9243 (make_automaton_attrs): New.
9244 (main): Do not call into genautomata. Call local gen_bypass
9245 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9246 Remove special case for insn_alts.
9247 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9248 varray.h (leftover from previous change). Prune set of forward
9249 function declarations. Remove state_alts fields from all
9250 structures. Remove state_alts_table from struct automaton.
9251 Make everything except main static. Do not maintain num_dfa_decls.
9252 Do not maintain state_alts fields of various structures.
9253 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9254 (add_arc): Remove state_alts argument. All callers updated.
9255 (output_reserved_units_table): Emit #ifdef here...
9256 (output_tables): ...not here. Don't generate state_alts tables.
9257 (expand_automata): Don't generate attributes.
9258 (write_automata): Don't generate state_alts functions.
9259 (main): New function.
9260 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9261 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9262 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9263 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9264 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9265 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9266 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9267 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9269 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9270 * genattrtab.h: Delete file.
9271 * Makefile.in (OBJS-common): Add insn-automata.o.
9272 (insn-automata.o): New rule.
9273 (simple_generated_c): Add insn-automata.c.
9274 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9275 (genprogmd): Add automata.
9276 (build/genattrtab): Needs no extra objects nor libraries.
9277 (build/genautomata): Needs build/vec.o and -lm.
9279 2006-01-22 Zack Weinberg <zackw@panix.com>
9281 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9282 (output_dfa_max_issue_rate, locked_states_num): Delete.
9283 (struct automaton): Add locked_states field.
9284 (output_dead_lock_vect): Save number of locked states in
9285 automaton->locked_states. If it is zero, don't print anything.
9286 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9287 (output_internal_dead_lock_func): Only test the dead_lock_vect
9288 for automata that have locked states.
9289 (output_statistics): Always print the number of locked states for
9290 each automaton. Calculate total number of locked states here.
9291 (write_automata): Don't call output_dfa_max_issue_rate.
9292 * genattrtab.c: Define length_unit_log as a const variable.
9293 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9294 max_insn_queue_index const.
9295 * final.c (length_unit_log): Declare const.
9296 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9298 2006-01-22 Zack Weinberg <zackw@panix.com>
9300 * genautomata.c: Include vec.h, not varray.h.
9301 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9302 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9303 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9304 VEC_* macros operating on appropriately typed vectors, or to
9305 malloced arrays when the size is known in advance. Const-ify
9306 many char* variables and function arguments. No functional changes.
9307 * Makefile.in (build/varray.o): Delete rule.
9308 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9309 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9311 2006-01-22 Zack Weinberg <zackw@panix.com>
9313 * gensupport.c: Define get_insn_name and record_insn_name here.
9314 (read_md_rtx): Call record_insn_name as appropriate.
9315 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9316 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9317 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9319 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9320 (BUILD_VARRAY): Delete.
9321 (genprognormal): Rename genprogmd. Fold in all programs from
9322 genprognoprint; also attrtab.
9323 (build/genattrtab): Just mention genautomata.o and varray.o.
9324 Reorganize a bit, add comments to make the categories clearer.
9326 2006-01-22 Zack Weinberg <zackw@panix.com>
9328 * genconditions.c (condition_table, add_condition): Delete.
9329 (write_conditions): Don't emit n_insn_conditions nor
9330 insn_elision_unavailable. Issue the gcc version #ifdef here,
9331 inside the table, with no #else clause ...
9332 (write_header): ...not here.
9333 (write_writer): New function.
9334 (main): Don't initialize condition_table. Use add_c_test.
9336 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9337 files on the command line.
9338 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9339 Return -1 if there is no entry in the table, don't abort.
9340 (add_c_test, traverse_c_tests): New functions.
9341 * gensupport.h (insn_elision_unavailable, insn_conditions)
9342 (n_insn_conditions): Delete declarations.
9343 (add_c_test, traverse_c_tests): Declare.
9344 * read-rtl.c: Include gensupport.h.
9345 (read_conditions): New function.
9346 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9347 (read_rtx_1): If we get EOF when we were looking for an initial
9348 open paren, return 0. Call read_conditions when appropriate.
9349 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9350 dummy-conditions.o. Eliminate references to insn-conditions.o,
9351 or change them to build/gencondmd.o, as appropriate. Remove
9352 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9353 from $(simple_generated_c). For all files remaining in those
9354 two lists, add insn-conditions.md to the generator command line.
9355 Give insn-constants.h/s-constants their own rules. Add rules
9356 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9357 (build/read-rtl.o): Depend on gensupport.h.
9358 (genprognormal): Include preds.
9359 (genprogearly): Rename genprognoprint; only difference is now that
9360 they don't link with $(BUILD_PRINT).
9361 * dummy-conditions.c: Delete.
9363 2006-01-22 Zack Weinberg <zackw@panix.com>
9365 * genextract.c: Don't include insn-config.h. Do include vec.h.
9366 Declare vectors of int, char, and locstr.
9367 (locstr): New typedef.
9368 (struct extraction): Make all array fields into bare pointers.
9369 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9370 (insn_code_number): Delete.
9371 (accum_extract): New struct.
9372 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9373 (gen_insn): Take insn_code_number as an argument. Use an
9374 accum_extract structure instead of loading data directly into
9375 a struct extraction, and having to know how big it might get.
9376 (walk_rtx): Operate entirely on an accum_extract structure.
9377 (print_path): Avoid unnecessary use of printf.
9378 (print_header): New function, split out of main. Distinguish
9379 more carefully between an unrecognizable insn and an insn that
9380 has the code number of a define_expand.
9381 (main): Pass insn_code_number to gen_insn. Call print_header
9382 only after parsing. Avoid unnecessary use of printf.
9383 * Makefile.in (build/vec.o): New rule.
9384 (build/genextract): Depend on build/vec.o.
9385 (build/genextract.o): Don't depend on insn-config.h.
9387 2006-01-22 Zack Weinberg <zackw@panix.com>
9389 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9390 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9391 practical. Eliminate per-generator-program link rules.
9393 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9396 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9397 with a call expr to ...
9398 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9400 2006-01-23 Richard Guenther <rguenther@suse.de>
9402 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9403 before make_edge with conditional EDGE_TRUE_VALUE.
9405 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9406 Jan Hubicka <jh@suse.cz>
9407 Richard Guenther <rguenther@suse.de>
9409 PR rtl-optimization/25654
9410 * cfgexpand.c (aggregate_contains_union_type): New function.
9411 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9412 for structure variables that contain a union type.
9414 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9416 * gengtype.c (new_structure): Return the structure.
9417 (create_option): Add an extra "next" argument.
9418 (create_field): New function.
9419 (adjust_field_rtx_def): Use create_option and create_field.
9420 Remove a now-unnecessary call to find_structure.
9421 (adjust_field_tree_def): Likewise.
9422 (note_yacc_type): Remove an unnecessary call to find_structure.
9423 * gengtype.h (new_structure): Return the structure.
9424 (create_option): Add an extra argument.
9425 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9426 (option): Adjust calls to create_option.
9428 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9430 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9432 2006-01-22 Paul Brook <paul@codesourcery.com>
9433 Peter Barada <peter@the-baradas.com>
9435 * config/m68k/m68k.md: Add Coldfire FPU support.
9436 Define FP mode macro and associated attributes.
9437 Use it for float mode patterns.
9438 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9439 (LIBCALL_VALUE): Use m68k_libcall_value.
9440 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9441 (m68k_function_value): Ditto.
9442 (emit_move_sequence): Ditto.
9443 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9444 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9445 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9446 (MULTILIB_EXCEPTIONS): Ditto.
9447 * config/m68k/m68k.opt: Add mcfv4e.
9448 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9449 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9450 (m68k_output_function_prologue): Save ColdFire FPU registers.
9451 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9452 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9453 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9454 ColdFire FPU registers.
9455 (m68k_libcall_value, m68k_function_value): New functions.
9456 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9457 (LIBCALL_VALUE): Use m68k_libcall_value.
9458 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9459 (MASK_COLDFIRE): Add MASK_CFV4E.
9460 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9461 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9462 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9463 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9464 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9465 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9466 * doc/invoke.tex: Document -mcfv4e on m68k.
9468 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9470 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9473 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9476 * c-opts.c (c_common_handle_option): Don't include
9477 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9478 * doc/invoke.texi (C++ Dialect Options): Document that
9479 -Wnon-virtual-dtor is no longer included in -Wall.
9481 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9483 * gcov.c (print_version), gcov-dump.c (print_version),
9484 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9487 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9489 * df-scan.c (problem_SCAN): Added NULL reset function.
9490 (df_scan_reset_blocks): Added code to call reset block function
9491 (df_bb_refs_delete) Fixed comment.
9492 (df_insn_refs_delete): Made tolerant of deleting non existent info
9493 for dataflow problems that need to be reset.
9494 * df-core.c (df_set_blocks): Ditto.
9495 * df.h (struct df_problem): Added reset_fun.
9496 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9497 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9498 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9499 functions to clear out all references to def-use or use-def chains.
9501 2006-01-21 Ben Elliston <bje@au.ibm.com>
9503 * varasm.c (assemble_real): Initialise data array.
9505 2006-01-20 Paul Brook <paul@codesourcery.com>
9507 Merge from csl-arm-branch.
9508 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9509 * config/arm/arm.md (movdi): Force operands[1] to a register
9510 if we have a non-register source.
9511 (*arm_movdi, *movdf_soft_insn): Require that one of the
9512 operands be a register.
9513 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9514 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9516 2006-01-20 DJ Delorie <dj@redhat.com>
9518 * varasm.c (initialize_constant_valid_p): Allow pointers
9519 initialized from integer constants of lesser precision.
9520 (output_constant): Allow non-int-sized pointer modes to be
9521 initialized from integer constants.
9523 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9526 * cppdefault.h (struct default_include): Add multilib flag.
9527 * cppdefault.c (cpp_include_defaults): Set it.
9528 * c.opt (-imultilib): New option.
9529 * c-opts.c (imultilib): New.
9530 (c_common_handle_option): Handle -imultilib.
9531 (c_common_post_options): Likewise.
9532 * c-incpath.c (add_standard_paths, register_include_chains):
9534 * c-incpath.h (register_include_chains): Add extra parameter.
9535 * gcc.c (do_spec_1): Generate -imultilib option.
9536 (The Specs Language): Update %I description.
9537 (process_command): Update copyright notice.
9538 * doc/cppopts.texi (-imultilib): Document.
9539 * doc/invoke.texi (-imultilib): Include in option summary.
9540 (%I): Update specs documentation.
9542 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9544 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9546 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9548 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9551 2006-01-20 Richard Guenther <rguenther@suse.de>
9552 Steven Bosscher <stevenb.gcc@gmail.com>
9554 PR rtl-optimization/24626
9555 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9556 EDGE_TRUE_VALUE if in RTL mode.
9559 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9560 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9562 2006-01-20 Dirk Mueller <dmueller@suse.com>
9565 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9566 instead of a special NOP marker.
9567 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9568 NOP marker handling.
9569 * c-common.h (empty_body_warning): Add forward declaration.
9570 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9571 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9573 2006-01-20 Paul Brook <paul@codesourcery.com>
9575 * Makefile.in (lang_checks): Keep going if mkdir fails.
9577 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9579 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9580 be able to clean out basic block when not necessary.
9581 (df_scan_free): Fixed to properly delete information if df is
9582 unused before calling df_finish.
9583 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9584 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9586 (df_bb_refs_delete): New function.
9587 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9588 * df-core.c (df_set_blocks): Added code to properly clean out
9589 unused blocks if they are not part of the blocks to consider.
9590 Added additional null check.
9591 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9592 be able to clean out basic block when not necessary
9593 * df.h (df_free_bb_function): Ditto.
9594 (df_bb_refs_delete): New function.
9595 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9596 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9597 basic block parameter to be able to clean out basic block when not
9599 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9600 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9601 Fixed to properly delete information if df is unused before
9604 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9606 PR rtl-optimization/25799
9607 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9608 Corrected confluence operator to remove bits from op2 before oring
9609 with op1 rather than removing bits from op1.
9610 (df_ru_transfer_function): Corrected test on wrong bitmap which
9611 caused infinite loop. Both of these problems were introduced in
9612 the dataflow rewrite.
9614 2006-01-19 DJ Delorie <dj@redhat.com>
9616 * reload1.c (find_reload_regs): Note the details of reload
9617 failures in the dump file.
9618 (spill_failure): Likewise.
9620 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9622 * loop-iv.c: Include df.h and hashtab.h.
9623 (enum iv_grd_result): New enum.
9624 (DF_REF_IV, DF_REF_IV_SET): New macros.
9625 (struct biv_entry): New.
9626 (df, bivs): New global variables.
9627 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9628 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9630 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9631 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9632 analyzed_for_bivness_p, record_biv): New functions.
9633 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9634 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9635 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9637 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9639 (iv_number_of_iterations): Use new interface to iv analysis.
9640 * loop-unroll.c: Do not include varray.h.
9641 (analyze_iv_to_split_insn): Use new interface to iv
9643 * loop-unswitch.c (may_unswitch_on): Ditto.
9644 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9646 (df_bb_modify): Realloc tables to the new index.
9647 (df_find_use): New function.
9648 * df.h (df_find_use): Declare.
9649 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9651 * cfgloop.h (struct rtx_iv): Remove analysed field.
9652 (iv_get_reaching_def): Removed.
9653 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9654 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9655 (loop-iv.o): Add df.h and hashtab.h dependency.
9656 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9658 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9661 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9663 (__floatundisf, __floatundidf): Likewise.
9664 * libgcc2.h (IS_IBM_EXTENDED): Define.
9666 2006-01-19 DJ Delorie <dj@redhat.com>
9668 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9670 2006-01-19 Paul Brook <paul@codesourcery.com>
9672 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9673 as nothrow when unwinding tables are disabled.
9675 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9678 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9679 of bit-field" when in system header.
9681 2006-01-19 DJ Delorie <dj@redhat.com>
9683 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9684 the 16 bit shift limit of the m16c.
9686 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9689 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9690 * config/i386/i386.c (output_set_got): Output the label if we have one
9691 for the TARGET_DEEP_BRANCH_PREDICTION case.
9693 2006-01-19 Jan Hubicka <jh@suse.cz>
9694 H.J. Lu <hongjiu.lu@intel.com>
9695 Evandro Menezes <evandro.menezes@amd.com>
9697 * invoke.texi (generic): Document
9699 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9700 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9701 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9702 (x86_use_incdec, x86_pad_returns): New variables
9703 (TARGET_CPU_DEFAULT_generic): New constant
9704 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9705 (enum processor_type): Add generic32 and generic64.
9706 * i386.md (cpu attribute): Add generic32/generic64
9707 (movhi splitter): Behave sanely when both partial_reg_dependency and
9708 partial_reg_stall are set.
9709 (K8 splitters): Enable for generic as well.
9710 * predicates.md (incdec_operand): Use TARGET_INCDEC
9711 (aligned_operand): Avoid memory mismatch stalls.
9712 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9713 * ppro.md: Enable for generic32
9714 * i386.c (generic64_cost, generic32_cost): New.
9715 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9716 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9717 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9718 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9719 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9720 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9721 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9722 x86_accumulate_outgoing_args, x86_prologue_using_move,
9723 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9724 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9726 (x86_use_incdec, x86_pad_returns): New.
9727 (override_options): Add generic32 and generic64, translate "generic"
9728 to generic32/generic64 and "i686" to "generic32", refuse
9729 "generic32"/"generic64" as arch target.
9730 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9731 (ix86_reorg): Honor PAD_RETURNS.
9733 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9735 * tree-pretty-print.c (dump_generic_node): Handle
9736 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9737 * cgraph.c (cgraph_expand_queue): Rename from
9738 cgraph_analyze_queue. Update all users.
9739 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9740 cgraph_expand_queue.
9741 (cgraph_expand_all_functions): Likewise.
9742 (cgraph_finalize_pending_functions): Remove. Update callers.
9744 * tree.h (OMP_DIRECTIVE_P): Define.
9745 (OMP_PARALLEL_FN): Define.
9746 (OMP_PARALLEL_DATA_ARG): Define.
9747 (OMP_SECTIONS_SECTIONS): Define.
9748 * tree-pass.h (pass_expand_omp): Declare.
9749 * omp-low.c (struct omp_region): Declare.
9750 (struct omp_context): Remove fields 'parallel_type',
9751 'parallel_start_ix' and 'parallel_start_additional_args'.
9753 (struct omp_for_data): Rename from struct expand_omp_for_data.
9754 (omp_regions): New static variable.
9755 (root_omp_region): New static variable.
9756 (find_omp_clause): Make static.
9757 (is_in_combined_parallel_ctx): Remove.
9758 (is_combined_parallel): New.
9759 (extract_omp_for_data): Move earlier in the file.
9760 (workshare_safe_to_combine_p): New.
9761 (get_ws_args_for): New.
9762 (determine_parallel_type): Move earlier in the file.
9763 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9765 (omp_copy_decl): Likewise.
9766 (create_omp_child_function): Likewise.
9767 (lookup_omp_region): New.
9768 (dump_omp_region): New.
9769 (debug_omp_region): New.
9770 (debug_all_omp_regions): New.
9771 (new_omp_region): New.
9772 (scan_omp_parallel): If parallel_nesting_level > 1, the
9773 directive is nested within another parallel directive.
9774 Set OMP_PARALLEL_FN.
9775 (scan_omp_for): Do not try to handle combined parallel+for
9777 Remove FIXME comment.
9778 (scan_omp_nested): Remove.
9779 (scan_omp_1): Do not call scan_omp_nested when
9780 parallel_nesting_level is > 1.
9781 Do not change the DECL_CONTEXT of local variables found.
9782 (lookup_decl_in_outer_ctx): New.
9783 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9784 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9785 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9786 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9787 If CTX is nested, lookup VAR in the outer context when
9788 building copy assignment.
9789 (lower_send_clauses): Rename from expand_send_clauses.
9790 If CTX is nested, lookup VAR in the outer context when
9791 building copy assignments.
9792 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9793 If CTX is nested, lookup VAR in the outer context when
9794 building copy assignments.
9795 (expand_parallel_call): Rename from build_parallel_call.
9796 Handle combined parallel+workshare cases.
9797 Re-implement to emit code into the CFG.
9799 (expand_omp_parallel): Re-implement to emit code into the CFG.
9800 Call move_sese_region_to_fn to outline the sub-graph
9801 containing the parallel region.
9802 (expand_omp_for_1): Remove.
9803 (expand_omp_for_generic): Re-implement to emit code into the
9805 (expand_omp_for_static_nochunk): Likewise.
9806 (expand_omp_for_static_chunk): Likewise.
9807 (expand_omp_for): Likewise.
9808 (expand_omp_sections): Likewise.
9809 (remove_exit_barriers): New.
9810 (expand_omp_synch): New.
9812 (build_omp_regions_1): New.
9813 (build_omp_regions): New.
9814 (execute_expand_omp): New.
9815 (gate_expand_omp): New.
9816 (pass_expand_omp): Define.
9817 (lower_omp_sections): Rename from expand_omp_sections.
9818 Set OMP_SECTIONS_SECTIONS.
9819 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9820 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9821 (lower_omp_single): Rename from expand_omp_simple.
9822 (lower_omp_master): Rename from expand_omp_master.
9823 (lower_omp_ordered): Rename from expand_omp_ordered.
9824 (lower_omp_critical): Rename from expand_omp_critical.
9825 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9826 (lower_omp_for): Re-implement.
9827 (lower_omp_parallel): Re-implement.
9828 (lower_regimplify): Rename from expand_regimplify.
9829 (lower_omp_1): Rename from expand_omp_1.
9830 If there are syntax errors in the program, replace every
9831 OpenMP directive with NOP.
9832 Call lower_omp_* instead of expand_omp_*.
9833 (lower_omp): Rename from expand_omp.
9835 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9836 * tree-gimple.h (enum omp_parallel_type): Remove.
9837 (gimple_boolify): Declare extern.
9838 (find_omp_clause, determine_parallel_type): Remove.
9840 * gimple-low.c (lower_omp_directive): New.
9841 (lower_stmt): Call it.
9842 (record_vars_into): Move from ...
9843 (record_vars): ... here.
9844 Call record_vars_into with current_function_decl.
9846 * gimplify.c (struct gimplify_ctx): Remove fields
9847 combined_pre_p and combined_ctxp. Update users.
9848 (get_formal_tmp_var): Add documentation.
9849 (gimple_boolify): Make extern.
9850 (gimplify_expr_in_ctx): Remove. Update callers.
9851 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9852 will always be a BIND_EXPR.
9853 (gimplify_expr): Handle OMP_RETURN_EXPR.
9854 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9855 (OMP_PARALLEL): Add 3 operands.
9856 (OMP_SECTIONS): Add 1 operand.
9857 (OMP_RETURN_EXPR): Define.
9859 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9860 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9861 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9862 creating a circular free list.
9863 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9865 * tree-flow.h (move_sese_region_to_fn): Declare.
9866 (record_vars_into): Declare.
9867 * tree-cfg.c (make_omp_sections_edges): New.
9868 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9869 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9870 OMP_SECTIONS and OMP_SECTION.
9871 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9872 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9873 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9874 (gather_blocks_in_sese_region): New.
9875 (struct move_stmt_d): Declare.
9877 (move_block_to_fn): New.
9878 (move_sese_region_to_fn): New.
9880 * passes.c (init_optimization_passes): Schedule
9881 pass_expand_omp after pass_init_datastructures.
9883 * tree-ssa-operands.c (get_expr_operands): Handle
9884 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9885 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9887 2006-01-19 Jeff Law <law@redhat.com>
9889 * tree-vrp.c (extract_range_from_assert): Refine the result range
9890 if the variable referenced by the ASSERT_EXPR has a range and
9891 either the tentative result range or the previous range is a
9894 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9896 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9898 2006-01-19 Jan Hubicka <jh@suse.cz>
9900 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9902 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9904 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9905 (expand_compound_operation, expand_field_assignment): Fail if the
9906 bit lengths of an extract operation are out of range.
9907 (make_extraction): Compute wanted_inner_mode based on the position
9908 and length of the extraction. Make it extraction_mode for non-constant
9909 positions, and do not modify offset in that case. When generating a
9910 new MEM, use a mode that can hold the extraction while keeping correct
9911 alignment. Remove code that supported MEMs wrapped by USEs.
9912 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9914 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9916 * config/s390/s390.md ("Y", "y"): New mode attribute.
9917 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9918 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9919 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9920 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9921 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9922 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9923 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9924 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9925 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9926 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9927 "addsi3", "subsi3"): Insn patterns removed.
9928 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9929 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9930 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9931 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9932 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9933 "*sub<mode>3_cconly2"): New insn patterns.
9934 ("addsi3", "subsi3"): New expanders.
9936 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9938 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9939 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9940 existing STMT_VINFO_VECTYPE if available.
9941 (vect_mark_relevant): Add special handling for stmts that are
9942 marked as STMT_VINFO_IN_PATTERN_P.
9943 (vect_analyze_loop): Call vect_pattern_recog.
9944 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9945 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9947 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9948 (vect_recog_func_ptr): New function-pointer type.
9949 * tree-vect-patterns.c: New file.
9950 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9951 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9952 (vect_pattern_recog_1): New functions.
9953 (vect_pattern_recog_funcs): New array of function pointers.
9955 * tree-vectorizer.h (ternary_op): New enum value.
9956 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9957 declaration. Revised documentation. Removed redundant dump prints.
9958 Removed redundant argument. Added support for reduction patterns.
9959 (vectorizable_reduction): Added support for reduction patterns.
9960 (vect_transform_stmt): Added support for patterns.
9962 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9963 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9964 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9965 (expand_widen_pattern_expr): New function.
9966 (init_optabs): Initialize new optabs udot_prod_optab,
9968 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9969 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9970 (expand_widen_pattern_expr): New function declaration.
9971 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9973 * tree-inline.c (estimate_num_insns_1): Added cases for new
9974 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9975 * tree-pretty-print.c (dump_generic_node): Likewise.
9976 (op_prio): Likewise.
9977 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9978 * tree-ssa-operands.c (get_expr_operands): Added case for
9980 * tree-vect-patterns.c (widened_name_p): New function.
9981 (vect_recog_dot_prod_pattern): Added function implementation.
9982 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9983 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9984 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9985 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9987 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9988 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9989 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9990 (init_optabs): Initialize new optabs widen_ssum_optab,
9992 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9993 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9994 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9995 use instead of type of def.
9996 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9997 function implementation.
9998 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9999 widen_ssumv8hi): New.
10001 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10004 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10007 * c-decl.c (add_flexible_array_elts_to_size): New function.
10008 (finish_decl): Use it.
10010 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10012 * diagnostic.h: Include options.h.
10013 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10014 dependancies for diagnostic.h.
10015 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10017 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10019 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10020 (ssa_ro_call_cache_valid): Ditto.
10021 * tree-ssa-alias.c (sort_tags_by_id): New function.
10022 (init_transitive_clobber_worklist): Ditto.
10023 (add_to_worklist): Ditto.
10024 (mark_aliases_call_clobbered): Ditto.
10025 (compute_tag_properties): Ditto.
10026 (set_initial_properties): Ditto.
10027 (compute_call_clobbered): Ditto.
10028 (compute_may_aliases): Call compute_call_clobbered and grouping.
10029 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10030 (compute_flow_insensitive_aliasing): Grouping now happens in our
10032 (setup_pointers_and_addressables): Remove clobbering related code.
10033 (add_may_alias): Ditto.
10034 (replace_may_alias): Ditto.
10035 (get_nmt_for): Ditto.
10036 (create_global_var):
10037 (is_escape_site): Return an escape_type enumeration.
10038 * tree-flow-inline.h (is_call_clobbered): Global var does not
10039 imply call clobbered.
10040 (mark_call_clobbered): Take a reason for marking this. Remove
10041 marking of globalness, and cache invalidation.
10042 (clear_call_clobbered): Remove cache invalidation code.
10043 * tree-dfa.c (dump_variable): If details is on, dump the reason
10045 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10047 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10048 (struct var_ann_d): Ditto.
10049 (enum escape_type): New.
10050 (mark_call_clobbered): Adjust prototype.
10051 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10052 are never call clobbered.
10053 Record reasons for escaping.
10054 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10055 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10056 (ssa_ro_call_cache_valid): Ditto.
10057 (clobbered_v_may_defs): Ditto.
10058 (clobbered_vuses): Ditto.
10059 (ro_call_vuses): Ditto.
10060 (clobber_stats): New.
10061 (init_ssa_operands): Zero out clobber stats.
10062 (fini_ssa_operands): Print out clobber stats.
10063 (get_call_expr_operands): Pass callee fndecl to
10064 add_call_read_ops).
10065 (add_call_clobber_ops): Remove use of cache.
10066 Add use of PURE_CONST information.
10067 (add_call_read_ops): Remove use of cache.
10068 Add use of static not_read information.
10070 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10072 Introduce TLS descriptors for i386 and x86_64.
10073 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10074 (TARGET_ANY_GNU_TLS): New macro.
10075 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10076 (struct machine_function): Add tls_descriptor_call_expanded_p.
10077 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10078 (ix86_current_function_calls_tls_descriptor): Likewise.
10079 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10080 (override_options): Introduce gnu2 tls dialect.
10081 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10083 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10085 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10086 (ix86_init_machine_status): Initialize new field.
10087 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10088 (ix86_tls_module_base): New.
10089 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10090 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10091 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10092 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10093 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10094 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10095 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10096 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10097 * config/i386/predicates.md (tls_modbase_operand): New.
10098 (tp_or_register_operand): New.
10100 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10102 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10103 (look_for_address_of): Ditto.
10104 (ipa_init): Walk the function decls.
10105 (static_execute): Don't set readonly on FUNCTION_DECL's.
10107 2006-01-18 Roger Sayle <roger@eyesopen.com>
10109 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10110 for shifts where the source and destination registers are different.
10112 2006-01-18 Paul Brook <paul@codesourcery.com>
10114 Merge from csl-arm-branch.
10115 2005-03-14 Julian Brown <julian@codesourcery.com>
10116 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10117 (aeabi_llsl): Likewise.
10118 (ashrdi3): Likewise.
10119 (aeabi_lasr): Likewise.
10120 (lshrdi3): Likewise.
10121 (aeabi_llsr): Likewise.
10122 2005-03-10 Julian Brown <julian@codesourcery.com>
10123 * config.gcc: Disable shared libgcc for SymbianOS.
10124 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10126 2006-01-18 DJ Delorie <dj@redhat.com>
10128 * c-pragma.c (handle_pragma_diagnostic): New.
10129 (init_pragma): Register it.
10130 * doc/extend.texi: Document it.
10132 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10133 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10134 (diagnostic_context): Add classify_diagnostic[].
10135 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10136 as errors if they're overridden to DK_WARNING.
10137 (diagnostic_initialize): Initialize classify_diagnostic[].
10138 (diagnostic_set_kind_override): New.
10139 (diagnostic_report_diagnostic): Check for kind changes.
10140 * opts.c (common_handle_option): Take lang_mask. Update callers.
10141 Handle OPT_Werror_.
10142 * common.opt (Werror=): New.
10143 * doc/invoke.texi: Document -Werror=*
10145 2006-01-18 Jeff Law <law@redhat.com>
10147 * tree-vrp.c (test_for_singularity): Correct test for new
10148 min limit. Use operand_equal_p rather than pointer equality
10149 for testing if new min/max values are equal.
10151 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10152 using range information until after propagation and folding.
10154 2006-01-18 Richard Henderson <rth@redhat.com>
10155 Aldy Hernandez <aldyh@redhat.com>
10156 Jakub Jelinek <jakub@redhat.com>
10157 Diego Novillo <dnovillo@redhat.com>
10159 * omp-low.c: New file.
10160 * c-omp.c: New file.
10162 2006-01-18 Richard Henderson <rth@redhat.com>
10163 Jakub Jelinek <jakub@redhat.com>
10164 Diego Novillo <dnovillo@redhat.com>
10166 * doc/invoke.texi: Document -fopenmp.
10167 * tree-dump.h (debug_function): Declare.
10168 * hooks.c (hook_bool_tree_bool_false): New function.
10169 (hook_tree_tree_null): Remove.
10170 (hook_tree_tree_tree_null): New.
10171 * hooks.h: Update to match.
10172 * tree-pretty-print.c (debug_tree_chain): New.
10173 (print_generic_expr): Handle TDF_CHAIN.
10174 (dump_generic_node): Handle BLOCK.
10175 Do not abort with incomplete SWITCH_EXPRs.
10176 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10177 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10178 print space after directive name.
10179 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10180 Handle OMP_MASTER and OMP_ORDERED.
10181 Handle printing of OMP_BODY just in one place, goto
10182 dump_omp_body in the rest of OMP_* nodes that have
10184 Don't handle clause nodes here. Update omp statements to
10185 use dump_omp_clauses.
10186 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10187 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10188 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10189 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10190 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10191 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10192 Adjust output for GOMP_PARALLEL.
10193 (dump_omp_clauses): New.
10194 (print_declaration): Dump DECL_VALUE_EXPR.
10195 (op_symbol_1): Split out of op_symbol.
10196 (dumping_stmts): Remove. Update all users.
10197 * cgraph.c (cgraph_analyze_queue): New.
10198 (cgraph_add_new_function): New.
10199 * cgraph.h (cgraph_analyze_queue): Declare.
10200 (cgraph_add_new_function): Declare.
10201 (cgraph_lower_function): Remove.
10202 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10203 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10204 and TYPE_P nodes in its default clause.
10205 (empty_body_p): New.
10206 (tree_range_check_failed): New.
10207 (build5_stat): New.
10208 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10209 OMP_CLAUSE_REDUCTION_MERGE,
10210 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10211 OMP_CLAUSE_PRIVATE_DEBUG,
10212 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10213 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10214 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10215 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10216 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10217 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10218 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10219 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10220 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10221 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10222 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10223 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10224 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10225 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10226 (TREE_RANGE_CHECK): New.
10227 (empty_body_p): Declare.
10228 (enum omp_clause_default_kind): New.
10229 (build_string_literal): Declare.
10230 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10231 (build5_stat, build5): Declare.
10232 * tree-pass.h (TDF_CHAIN): Define.
10233 * tree-pass.h (PROP_gimple_lomp): Define.
10234 (pass_lower_omp): Declare.
10235 * diagnostic.h (debug_tree_chain): Declare.
10236 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10238 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10239 * builtins.c (build_string_literal): Make extern.
10240 * gcc.c (include_spec_function): New.
10241 (static_spec_functions): Add it.
10242 (main): Move load of libgomp.spec ...
10243 (LINK_COMMAND_SPEC): ... here.
10244 (link_gomp_spec): New.
10245 (static_specs): Include it.
10246 (LINK_COMMAND_SPEC): Add link_gomp.
10247 (GOMP_SELF_SPECS): New.
10248 (driver_self_specs): Include it.
10249 (switch_matches): Don't mark inline.
10250 (main): Load libgomp.spec.
10251 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10252 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10253 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10254 * tree-gimple.h (enum omp_parallel): Declare.
10255 (determine_parallel_type): Declare.
10256 (omp_firstprivatize_variable): Declare.
10257 (omp_reduction_init): Declare.
10258 (diagnose_omp_structured_block_errors): Declare.
10259 (struct walk_stmt_info): Add want_return_expr.
10260 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10261 (find_omp_clause): Declare.
10262 (insert_field_into_struct): Declare.
10263 (struct walk_stmt_info): Move from tree-nested.c
10264 (walk_stmts): Declare.
10265 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10267 * cgraphunit.c (cgraph_lower_function): Make static.
10268 (cgraph_finalize_pending_functions): New.
10269 (cgraph_finalize_function): Call it.
10270 (cgraph_finalize_compilation_unit): Likewise.
10271 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10272 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10273 (BT_FN_UINT_UINT): New.
10274 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10275 DEF_FUNCTION_TYPE_VAR_4): Document.
10276 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10277 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10278 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10279 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10280 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10281 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10282 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10283 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10284 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10285 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10286 into separate files.
10287 (DEF_GOMP_BUILTIN): New.
10288 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10289 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10290 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10291 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10292 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10293 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10294 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10295 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10296 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10297 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10298 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10299 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10300 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10301 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10302 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10303 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10304 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10305 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10306 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10307 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10308 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10309 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10310 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10311 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10312 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10313 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10314 * sync-builtins.def: New file, moved from builtins.def.
10315 * omp-builtins.def: New file, moved from builtins.def.
10316 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10317 * gimple-low.c (lower_function_body): Clear data.
10318 (lower_stmt): Do not handle COMPOUND_EXPR.
10319 Remove call to print_node_brief.
10320 * c-tree.h (c_finish_omp_clauses): New prototype.
10321 (C_DECL_THREADPRIVATE_P): Define.
10322 (lookup_name_no_remap, c_omp_remap_private): Remove
10323 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10324 (check_for_loop_decls): Update decl.
10325 (lookup_name_no_remap, c_omp_remap_private): Declare.
10326 (build_indirect_ref, build_modify_expr, pushdecl,
10327 pushdecl_top_level): Move to c-common.h.
10328 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10329 before the switch, but just in the 2 places that need it.
10330 * c-decl.c (diagnose_mismatched_decls): Do not check for
10331 mismatched thread-local attributes when OLDDECL is marked
10332 threadprivate and NEWDECL has no thread-local attributes.
10333 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10334 (c_gimple_diagnostics_recursively): Rename from
10335 c_warn_unused_result_recursively. Invoke
10336 diagnose_omp_structured_block_errors.
10337 (check_for_loop_decls): Return a singular decl found.
10338 * langhooks.c (lhd_omp_predetermined_sharing): Return
10339 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10340 (lhd_omp_firstprivatize_type_sizes): New.
10341 (lhd_omp_assignment): New.
10342 (lhd_omp_predetermined_sharing): New.
10343 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10344 (struct lang_hooks_for_types): Add
10345 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10346 omp_predetermined_sharing, omp_disregard_value_expr,
10347 omp_private_debug_clause, omp_clause_default_ctor,
10348 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10349 (c_finish_omp_clauses): New.
10350 (c_finish_bc_stmt): Diagnose break within omp for.
10351 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10352 (build_unary_op): Return error_mark after reporting
10354 (build_modify_expr): Likewise.
10355 * gimplify.c: Include optabs.h and pointer-set.h.
10356 (enum gimplify_omp_var_data): Declare.
10357 (struct gimplify_omp_ctx): Declare.
10358 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10360 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10361 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10362 (splay_tree_compare_decl_uid): New.
10363 (new_omp_context): New.
10364 (delete_omp_context): New.
10365 (gimple_add_tmp_var): Call omp_add_variable.
10366 (gimplify_bind_expr): Likewise.
10367 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10368 true, disregard DECL_VALUE_EXPR on the decl if any.
10369 (gimplify_expr_in_ctx): New.
10370 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10371 omp_add_variable, omp_notice_variable, omp_is_private
10372 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10373 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10374 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10375 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10376 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10377 gimplify_omp_atomic): New.
10378 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10379 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10380 OMP_CRITICAL and OMP_ATOMIC.
10381 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10382 * c-pragma.h (enum pragma_kind): Add
10383 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10384 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10385 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10386 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10387 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10388 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10389 PRAGMA_OMP_THREADPRIVATE.
10390 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10391 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10392 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10393 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10394 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10395 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10396 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10397 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10398 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10399 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10400 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10401 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10402 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10404 (struct nesting_info): Add field_map,
10405 suppress_expansion, debug_var_chain.
10406 (create_nesting_tree): Initialize them.
10407 (lookup_field_for_decl): Use field_map.
10408 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10409 (convert_local_omp_clauses): New.
10410 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10411 (walk_body): Split out of walk_function.
10412 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10413 (convert_nonlocal_reference): Handle omp statements.
10414 (convert_local_reference): Likewise.
10415 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10416 (unnest_nesting_tree): New.
10417 (lower_nested_functions): Call it.
10418 (insert_field_into_struct): Make extern.
10419 (struct walk_stmt_info): Move to tree-gimple.h.
10420 (walk_stmts): Make extern.
10421 * omp-builtins.def: New file.
10422 * tree-iterator.c (expr_only): Clarify comment.
10423 * c-common.h (pushdecl_top_level, pushdecl,
10424 build_modify_expr, build_indirect_ref,
10425 c_finish_omp_master, c_finish_omp_critical,
10426 c_finish_omp_ordered, c_finish_omp_barrier,
10427 c_finish_omp_atomic, c_finish_omp_flush,
10428 c_finish_omp_for, c_split_parallel_clauses,
10429 omp_clause_default_kind, c_omp_sharing_predetermined,
10430 c_omp_remap_decl): Declare.
10431 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10432 (OBJS-common): Add omp-low.o.
10433 (c-omp.o, omp-low.o): Add.
10434 (gimplify.o): Add dependency on $(OPTABS_H).
10435 (GTFILES): Add omp-low.c.
10436 (gt-stringpool.h): Add.
10437 * tree-cfg.c (set_bb_for_stmt): Do not update the
10438 block-to-labels map if we are currently expanding to RTL.
10439 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10441 Handle IDENTIFIER_NODE.
10442 (tree_verify_flow_info): Do not ICE when emitting error
10443 messages about invalid labels.
10444 (dump_function_to_file): Reset CFUN before emitting the body
10446 (debug_function): New.
10447 * passes.c (init_optimization_passes): Schedule
10449 * langhooks-def.h (lhd_omp_predetermined_sharing,
10450 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10452 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10453 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10454 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10455 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10456 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10457 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10458 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10459 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10460 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10461 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10462 (LANG_HOOK_DECLS): Use them.
10464 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10465 Richard Henderson <rth@redhat.com>
10466 Jakub Jelinek <jakub@redhat.com>
10467 Diego Novillo <dnovillo@redhat.com>
10469 * c-parser.c (pragma_omp_clause): Define.
10470 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10471 (c_parser_compound_statement): Likewise.
10472 (c_parser_statement): Likewise.
10473 (c_parser_pragma): Handle omp pragmas.
10474 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10475 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10476 (c_parser_omp_clause_name, check_no_duplicate_clause,
10477 c_parser_omp_variable_list,
10478 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10479 c_parser_omp_clause_copyprivate,
10480 c_parser_omp_clause_default,
10481 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10482 c_parser_omp_clause_lastprivate,
10483 c_parser_omp_clause_nowait,
10484 c_parser_omp_clause_num_threads,
10485 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10486 c_parser_omp_clause_reduction,
10487 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10488 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10489 c_parser_omp_atomic, c_parser_omp_barrier,
10490 c_parser_omp_critical, c_parser_omp_flush,
10491 c_parser_omp_for_loop, c_parser_omp_for,
10492 c_parser_omp_master, c_parser_omp_ordered,
10493 c_parser_omp_sections_scope, c_parser_omp_sections,
10494 c_parser_omp_parallel, c_parser_omp_single,
10495 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10496 * c-pragma.c (init_pragma): Do omp pragma registration here.
10497 * c.opt (fopenmp): New flag.
10499 2006-01-18 Eric Christopher <echristo@apple.com>
10501 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10502 * config/darwin.h (GOMP_SELF_SPECS): Define.
10504 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10506 * rtl.h: Remove the prototype for reg_alloc.
10508 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10511 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10512 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10513 sjlj and dwarf2 exception handling.
10514 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10515 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10516 * pa/pa.c (function_value): Treat complex and vector types as
10518 (function_arg): Likewise. Only pass scalar floats in the floating
10519 point argument registers.
10520 * pa/t-slibgcc-dwarf-ver: New file.
10521 * pa/t-slibgcc-sjlj-ver: New file.
10522 * pa/t-slibgcc-elf-ver: Delete file.
10524 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10526 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10527 unlikely_test_section_p test.
10529 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10531 * mode-switching.c (optimize_mode_switching): Make it static.
10532 * basic-block.h: Remove the prototype for
10533 optimize_mode_switching.
10535 * modulo-sched.c (sms_schedule): Make it static.
10536 * rtl.h: Remove the prototype for sms_schedule.
10538 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10539 * rtl.h: Remove the prototype for gcse_after_reload_main.
10541 * reg-stack.c (reg_to_stack): Make it static.
10542 * rtl.h: Remove the prototype for reg_to_stack.
10544 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10546 * rtl.h: Remove the prototypes for regrename_optimize and
10547 copyprop_hardreg_forward.
10549 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10551 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10552 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10553 Test against the appropriate null constant for the mode.
10554 If 'fixup_overlap' is true, swap the operands if they overlap.
10555 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10556 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10557 alpha_split_tmode_pair and adjust for above change.
10558 * config/alpha/alpha.md (movtf_internal): Adjust call to
10559 alpha_split_tfmode_pair and rely on it to swap the operands.
10560 (movti_internal): New insn and post-reload splitter.
10561 (movti): New expander.
10563 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10565 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10568 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10570 * rtlanal.c (global_reg_mentioned_p_1,
10571 global_reg_mentioned_p): Remove.
10572 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10574 * flow.c (initialize_uninitialized_subregs): Make it static.
10575 * rtl.h: Remove the prototype for
10576 initialize_uninitialized_subregs.
10578 * function.c (instantiate_virtual_regs): Make it static.
10579 * function.h: Remove the prototype for
10580 instantiate_virtual_regs.
10582 * regmove.c (regmove_optimize, combine_stack_adjustments):
10584 * rtl.h: Remove the prototypes for regmove_optimize and
10585 combine_stack_adjustments.
10587 2006-01-17 Roger Sayle <roger@eyesopen.com>
10589 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10590 (size_cost): Encode costs in bytes so that a reg-reg addition is
10591 equivalent to COSTS_N_INSNS(1).
10592 (override_options): Use the size_cost.branch_cost as the default
10593 ix86_branch_cost when optimizing for size.
10595 2006-01-18 Ben Elliston <bje@au.ibm.com>
10597 * Makefile.in (D32PBIT_FUNCS): New.
10598 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10599 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10600 D64PBIT_FUNCS and D128PBIT_FUNCS.
10601 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10602 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10604 (decnumber_dep): Define.
10605 * doc/libgcc.texi (Decimal float library routines): New node.
10606 * config/dfp-bit.h, config/dfp-bit.c: New files.
10608 2006-01-18 Ben Elliston <bje@au.ibm.com>
10610 * expr.c (emit_move_change_mode): Always adjust addresses, not
10611 just during reload. Copy replacements only during reload.
10612 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10613 emit_move_via_integer.
10615 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10617 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10618 instead of $(srcdir) and ${srcdir}.
10620 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10623 PR middle-end/11135
10624 * arm.h (struct machine_function): Add pic_reg.
10625 * arm.c (arm_pic_register): Make unsigned.
10626 (arm_override_options): Only set arm_pic_register if
10627 TARGET_SINGLE_PIC_BASE.
10628 (use_return_insn): Only test for a pic register if it is fixed.
10629 (arm_compute_save_reg0_reg12_mask): Likewise.
10630 (thumb_compute_save_reg_mask): Likewise.
10631 (legitimate_pic_operand): Factor out some known invariants.
10632 (legitimize_pic_address): If we don't have a fixed pic register,
10633 then set up a pseudo in the function entry sequence. Handle the
10634 pic base being in a pseudo.
10635 (arm_load_pic_register): Handle the pic register being in a pseudo.
10636 (arm_expand_prologue): Only set up the pic register if it is fixed.
10637 (thumb_expand_prologue): Likewise.
10638 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10639 (pic_load_addr_based_insn): Likewise.
10640 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10643 2006-01-18 Ben Elliston <bje@au.ibm.com>
10645 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10646 decimal float modes for all floating point registers.
10648 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10649 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10651 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10654 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10655 even when the pointer is not NULL.
10657 2006-01-16 Ian Lance Taylor <ian@airs.com>
10659 * common.opt (ftoplevel-reorder): New option.
10660 * cgraph.c (cgraph_asm_nodes): New global variable.
10661 (cgraph_asm_last_node): New static variable.
10662 (cgraph_order): New global variable.
10663 (cgraph_create_node): Set new order field.
10664 (cgraph_varpool_node): Likewise.
10665 (decide_is_variable_needed): Return true if not
10666 flag_toplevel_reorder.
10667 (cgraph_add_asm_node): New function.
10668 * cgraph.h (struct cgraph_node): Add order field.
10669 (struct cgraph_varpool_node): Add order field.
10670 (struct cgraph_asm_node): Define.
10671 (cgraph_asm_nodes, cgraph_order): Declare.
10672 (cgraph_add_asm_node): Declare.
10673 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10675 (cgraph_varpool_assemble_pending_decls): Call it.
10676 (cgraph_output_pending_asms): New static function.
10677 (cgraph_finalize_compilation_unit): Call it.
10678 (struct cgraph_order_sort): Define.
10679 (cgraph_output_in_order): New static function.
10680 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10681 !flag_toplevel_reorder case.
10682 * c-parser.c: Include "cgraph.h".
10683 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10685 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10686 than -fno-unit-at-a-time.
10687 * doc/invoke.texi (Option Summary): Mention
10688 -fno-toplevel-reorder.
10689 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10690 -funit-at-a-time documentation.
10692 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10693 Kazu Hirata <kazu@codesourcery.com>
10695 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10697 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10699 * Makefile.in (FUNCTION_H): New. Use it instead of
10700 function.h throughout the file.
10701 * function.h: Include tree.h.
10703 2006-01-17 Ben Elliston <bje@au.ibm.com>
10705 * recog.c: Separate some functions with whitespace.
10707 2006-01-16 Richard Henderson <rth@redhat.com>
10709 Merge from gomp branch:
10710 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10711 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10712 and rename from struct inline_data. Rename callee* to dst*;
10713 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10714 transform_new_cfg, transform_return_to_modify, and
10715 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10717 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10718 (copy_decl_for_dup): Remove.
10719 * tree-inline.c (struct inline_data): Move to header.
10720 (insert_decl_map): Export.
10721 (remap_decl): Update for member name changes. Use copy_decl hook.
10722 Allow for replacement to be a non-decl. Remove dead code.
10723 (remap_type_1): Check for existing mapping.
10724 (remap_type): Export.
10725 (remap_decls): Update for member name changes.
10726 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10727 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10728 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10729 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10730 (tree_function_versioning, build_duplicate_type): Likewise.
10731 (copy_body_r): Likewise. Export.
10732 (copy_decl_for_dup): Split into ...
10733 (copy_decl_for_dup_finish, copy_decl_to_var,
10734 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10735 (replace_ref_tree, inlining_p): Remove.
10737 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10739 * ifcvt.c (if_convert): Make it static.
10740 * rtl.h: Remove the prototype for if_convert.
10742 * local-alloc.c (local_alloc): Make it static.
10743 * rtl.h: Remove the prototype for local_alloc.
10745 * loop.c (loop_optimize): Make it static.
10746 * cfgloop.h: Remove the prototype for loop_optimize.
10749 2006-01-16 DJ Delorie <dj@redhat.com>
10751 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10754 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10756 * pa.md: Disparage copies between general and floating-point registers
10757 in 32-bit move patterns.
10759 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10762 * Makefile.in (check-%): Depend on site.exp instead of
10763 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10766 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10768 * global.c (global_alloc): Make it static.
10769 * rtl.h: Remove the prototype for global_alloc.
10771 2006-01-16 Richard Guenther <rguenther@suse.de>
10773 * tree-ssa-alias.c (struct used_part): Add write_only field.
10774 (get_or_create_used_part_for): Initialize it to true.
10775 (create_overlap_variables_for): Don't create structure variables
10776 for structures that only are written to.
10777 (find_used_portions): Handle MODIFY_EXPR to track whether a
10778 structure is only written to.
10780 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10782 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10784 * basic-block.h: Remove the prototype for
10785 partition_hot_cold_basic_blocks.
10787 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10789 * cppspec.c (lang_specific_spec_functions): Remove.
10790 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10791 * gcc.h (lang_specific_spec_functions): Remove.
10792 * gccspec.c (lang_specific_spec_functions): Remove.
10794 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10796 * combine.c (record_value_for_reg): Invalidate registers
10798 (record_dead_and_set_regs_1): Likewise, by passing them to
10799 record_value_for_reg.
10800 (record_dead_and_set_regs): Invalidate stores made by a
10801 call. We do not combine across a call, but we still
10802 relied on equivalences.
10804 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10806 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10807 vrp_int_const_binop returning non-constant nodes.
10809 2006-01-16 Paul Brook <paul@codesourcery.com>
10811 * config/m68k/m68k.c (output_move_const_into_data_reg):
10812 Output correct mnemonic for mvz and mvs.
10814 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10816 * rtl-factoring.c: Add sequence abstraction algorithm.
10817 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10818 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10820 (block_has_preserve_label): New function.
10821 * common.opt: Register new pass.
10822 * Makefile.in: Ditto.
10824 * timevar.def: Ditto.
10825 * tree-pass.h: Ditto.
10826 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10827 * rtl.h (make_jump_insn_raw): Add forward decl.
10828 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10830 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10831 Roger Sayle <roger@eyesopen.com>
10833 * fold-const.c (fold_minmax): New static function.
10834 (fold_binary) <MIN_EXPR>: Call it.
10835 <MAX_EXPR>: Likewise.
10836 * stor-layout.c (place_field): Use DECL_SIZE consistently
10837 in the computation of the new record size.
10839 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10841 * cse.c (cse_condition_code_reg): Make it static.
10842 * rtl.h: Remove the prototype for cse_condition_code_reg.
10844 * combine.c (combine_instructions): Make it static.
10845 * rtl.h: Remove the prototype for combine_instructions.
10847 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10850 * tree.c (get_file_function_name_long): Concatenate the first global
10851 object name with a string derived from the input filename of the object
10854 2006-01-16 Ben Elliston <bje@au.ibm.com>
10856 * config/i386/winnt-stubs.c: Update FSF address.
10857 * config/xtensa/ieee754-df.S: Ditto.
10858 * config/xtensa/ieee754-sf.S: Ditto.
10860 2006-01-14 Ian Lance Taylor <ian@airs.com>
10862 * ifcvt.c (noce_init_if_info): New static function, broken out of
10863 noce_process_if_block.
10864 (noce_process_if_block): Call noce_init_if_info.
10865 (check_cond_move_block): New static function.
10866 (cond_move_process_if_block): New static function.
10867 (process_if_block): Call cond_move_process_if_block.
10869 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10871 * cselib.c (hash_table): Rename to cselib_hash_table.
10872 (cselib_clear_table, discard_useless_values,
10873 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10874 cselib_init, cselib_finish): Adjust uses of hash_table.
10876 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10878 PR tree-optimization/25485
10879 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10880 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10881 is known to be false and true, respectively.
10883 2006-01-14 Richard Guenther <rguenther@suse.de>
10885 PR tree-optimization/22548
10886 PR tree-optimization/22555
10887 PR tree-optimization/22501
10888 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10889 * params.def (salias-max-array-elements): New parameter.
10890 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10891 * doc/invoke.texi (salias-max-array-elements): Document.
10892 * tree-flow-inline.h (var_can_have_subvars): We also handle
10894 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10896 * tree-ssa-structalias.c (params.h): Include.
10897 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10898 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10899 (get_constraint_for): For ADDR_EXPR operating on something
10900 containing an ARRAY_REF, add all subvars to the solution.
10901 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10902 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10903 for creating MUST_DEFs.
10904 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10906 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10908 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10910 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10911 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10912 number_of_iterations_le): New functions.
10913 (number_of_iterations_special): Removed.
10914 (number_of_iterations_exit): Do not use number_of_iterations_special.
10915 * tree.c (unsigned_type_for): Always return integer type.
10917 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10918 Richard Guenther <rguenther@suse.de>
10920 PR rtl-optimization/24257
10921 * gcse.c (find_moveable_store): Only consider a store movable
10922 when the SET_SRC of the insn can be assigned to a register.
10924 2006-01-14 Ian Lance Taylor <ian@airs.com>
10926 * tree.c (tree_not_class_check_failed): New function.
10927 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10928 (tree_not_class_check_failed): Declare.
10930 2006-01-13 Ian Lance Taylor <ian@airs.com>
10932 * reload1.c (do_output_reload): Add assertion rejecting a
10935 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10937 * combine.c (struct reg_stat): Add new fields truncation_label and
10939 (record_value_for_reg): Reset truncated_to_mode.
10940 (record_truncated_value): New function.
10941 (check_promoted_subreg): Call it. Rename to check_conversions.
10942 (combine_instructions): Rename check_promoted_subreg to
10944 (reg_truncated_to_mode): New function.
10945 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10946 (gen_lowpart_or_truncate): New function.
10947 (force_to_mode): Use it instead of gen_lowpart.
10949 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10951 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10952 VAR is a tag, not its type tag.
10954 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10956 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10957 alternatives to match style of other entries.
10958 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10960 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10962 PR tree-optimization/25771
10963 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10966 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10969 * tree-inline.c (declare_return_variable): If the return variable
10970 was marked as a non gimple complex, set the return slot variable
10971 to be a non gimple comple variable.
10973 2006-01-13 Richard Guenther <rguenther@suse.de>
10975 * builtins.c (expand_builtin_sincos): New function.
10976 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10978 (expand_builtin): Expand sincos using expand_builtin_sincos.
10980 2006-01-12 DJ Delorie <dj@redhat.com>
10982 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10983 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10984 so that constant shifts can be split.
10985 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10986 (m32c_valid_pointer_mode): Make static.
10987 (shift_gen_func_for): New.
10988 (m32c_prepare_shift): Use it. Split large const shifts into
10990 * config/m32c/predicates.md (shiftcount_operand): Allow more
10992 (longshiftcount_operand): New.
10993 * doc/md.texi (Machine Constraints): Document In6.
10995 2006-01-13 Ben Elliston <bje@au.ibm.com>
10997 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10998 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11001 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11003 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11004 to try to avoid clobbering pieces of structures when we know
11005 something about the whole structure.
11006 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11008 2006-01-13 Ben Elliston <bje@au.ibm.com>
11010 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11011 return in memory, as this is no limitation is no longer present.
11013 2006-01-12 DJ Delorie <dj@redhat.com>
11015 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11016 mova with fb, and for fb+0 -> An.
11018 * config/m32c/mov.md (peephole2): Fix enabling logic.
11020 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11021 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11022 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11023 FINI_ARRAY_SECTION_ASM_OP): Define.
11025 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11027 (m32c_legitimize_reload_address): New logic to reload FB to An.
11028 (m32c_output_reg_push): Add newline.
11029 (m32c_output_reg_pop): Likewise.
11031 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11033 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11035 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11037 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11039 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11041 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11044 2006-01-11 Ben Elliston <bje@au.ibm.com>
11046 * rtlanal.c (find_reg_note): Assert insn is not null.
11048 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11050 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11053 2006-01-11 Jeff Law <law@redhat.com>
11055 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11057 (mark_threaded_blocks, register_jump_thread): New functions.
11058 (thread_through_all_blocks): Remove unwanted argument. No
11059 longer rely on e->aux to communicate thread target info.
11060 Call mark_threaded_blocks. Release the threaded_blocks
11061 bitmap and threaded_edges vector when complete.
11062 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11063 (threaded_blocks): Remove.
11064 (tree_ssa_dominator_optimize): Remove initialization and
11065 finalization of threaded_blocks. Simplify call to
11066 thread_through_all_blocks.
11067 (thread_across_edge): Call register_jump_thread rather than
11068 storing thread information into e->aux.
11069 (free_all_edge_infos): Simplify now that e->aux is no longer
11070 used to communicate with thread_through_all_blocks.
11071 * tree-flow.h (thread_through_all_blocks): Update prototype.
11072 (register_jump_thread): Prototype.
11074 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11076 * df-core.c (df_compact_blocks, df_bb_replace): Use
11077 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11079 2006-01-11 Richard Guenther <rguenther@suse.de>
11081 PR tree-optimization/25734
11082 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11083 stop propagation after successful propagation to the LHS.
11085 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11087 * basic-block.h (control_flow_graph): Change the type of
11088 x_basic_block_info to VEC(basic_block,gc) *.
11089 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11091 (SET_BASIC_BLOCK): New.
11092 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11093 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11094 * cfgbuild.c (find_basic_blocks): Likewise.
11095 * cfglayout.c (fixup_reorder_chain): Likewise.
11096 * cfgrtl.c (create_basic_block_structure,
11097 rtl_create_basic_block): Likewise.
11098 * ifcvt.c (find_if_case_1): Likewise.
11099 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11102 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11104 * Makefile.in: Removed rotted odf.c entry.
11106 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11109 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11110 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11111 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11112 output pattern modifier, not %e.
11113 * config/cris/cris.c (cris_op_str): Update comment about pattern
11115 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11116 before falling through into...
11117 <case 'E'>: Redefined from old 'e' case.
11119 2006-01-11 Jan Hubicka <jh@suse.cz>
11122 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11124 2006-01-11 Jan Hubicka <jh@suse.cz>
11126 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11127 * i386.c (x86_decompose_lea): Kill.
11128 (ix86_rtx_costs): Kill.
11130 2006-01-11 Jan Hubicka <jh@suse.cz>
11132 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11133 * cgraph.h (cgraph_node): Add inline_decl.
11134 (cgraph_insert_node_to_hashtable): Declare.
11135 (save_inline_function_body): Declare.
11136 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11138 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11139 (cgraph_function_versioning): Update call of tree_function_versioning.
11140 (save_inline_function_body): New function.
11141 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11142 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11143 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11144 (cgraph_default_inline_p): Likewise.
11145 (cgraph_decide_inlining_incrementally): Likewise.
11146 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11147 (copy_bb): Kill saving; do updating of clones.
11148 (copy_cfg_body): Kill saving.
11149 (initialize_inlined-parameters): Likewise.
11150 (expand_call_inline): Likewise.
11152 (tree_function_versioning): New parameter "update_clones".
11153 (inlining_p): Kill saving.
11154 * tree-inline.h (tree_function_versioning): Update prototype.
11155 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11158 2006-01-11 Ian Lance Taylor <ian@airs.com>
11160 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11161 Allow undoing set of machine mode.
11162 (do_SUBST): Use enums instead of is_int.
11163 (do_SUBST_MODE): New function.
11164 (SUBST_MODE): New macro.
11165 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11166 reg and trying to replace reg_regno_rtx with a new register.
11167 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11168 (simplify_set): Use SUBST_MODE.
11169 (distribute_notes): Remove code that tried to update reg notes
11170 for regno_reg_rtx changes.
11172 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11174 PR tree-optimization/23109
11175 PR tree-optimization/23948
11176 PR tree-optimization/24123
11178 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11179 * tree-cfg.c (single_noncomplex_succ): New.
11180 * tree-flow.h (single_noncomplex_succ): Declare it.
11181 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11182 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11183 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11184 insert_bb, register_division_in, insert_reciprocals,
11185 replace_reciprocal, free_bb): New.
11186 (execute_cse_reciprocals_1): Rewritten.
11187 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11188 Do not commit any edge insertion. Always compute dominators and
11189 create the allocation pool.
11190 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11191 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11192 * targhooks.c (default_min_divistions_for_recip_mul): New.
11193 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11194 * passes.c (init_optimization_passes): Run recip after tree loop
11196 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11198 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11199 Kenneth Zadeck <zadeck@naturalbridge.com>
11201 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11202 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11203 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11204 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11205 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11206 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11207 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11208 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11209 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11210 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11211 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11212 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11213 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11214 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11215 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11216 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11217 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11218 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11219 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11220 DF_SCAN_POST_ALLOC): New macros.
11221 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11222 df_free_bb_function, df_local_compute_function, df_init_function,
11223 df_dataflow_function, df_confluence_function_0,
11224 df_confluence_function_n, df_transfer_function,
11225 df_finalizer_function, df_free_function, df_dump_problem_function,
11226 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11227 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11228 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11229 df_urec_bb_info, ) New types.
11230 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11232 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11233 df_analyze_simple_change_some_blocks,
11234 df_analyze_simple_change_one_block, df_compact_blocks,
11235 df_bb_replace, df_bb_regno_last_use_find,
11236 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11237 df_insn_regno_def_p, df_find_def, df_find_use,
11238 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11239 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11240 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11241 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11242 debug_df_chain, df_get_dependent_problem, df_chain_create,
11243 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11244 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11245 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11246 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11247 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11248 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11249 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11250 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11251 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11252 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11253 df_reorganize_refs, df_set_state, df_hard_reg_init,
11254 df_read_modify_subreg_p) New public functions.
11255 * df-core.c: The core dataflow solver and glue routines for rtl
11257 (df_init, df_add_problem, df_set_blocks, df_finish,
11258 df_hybrid_search_forward, df_hybrid_search_backward,
11259 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11260 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11261 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11262 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11263 df_reg_defined, df_find_use, df_reg_used, df_dump,
11264 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11265 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11266 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11267 debug_df_useno, reset_df_after_reload): New functions.
11268 * df-scan.c: The scanning fuctions, once in df.c, completely
11269 rewritten so that they now fully model the functionality of
11270 register usage at the backend.
11271 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11272 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11273 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11274 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11275 df_get_artificial_defs, df_get_artificial_uses,
11276 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11277 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11278 df_refs_delete, df_reorganize_refs, df_set_state,
11279 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11280 df_def_record_1, df_defs_record, df_uses_record,
11281 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11282 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11283 df_record_exit_block_uses, df_hard_reg_init): New functions.
11285 * df-problems.c: Seven concrete dataflow problems that use the
11286 scanning in df-scan.c and are solved by the engine in df-core.c.
11287 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11288 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11289 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11290 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11291 df_ru_free_bb_info, df_ru_alloc,
11292 df_ru_bb_local_compute_process_def,
11293 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11294 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11295 df_ru_transfer_function, df_ru_free, df_ru_dump,
11296 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11297 df_rd_free_bb_info, df_rd_alloc,
11298 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11299 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11300 df_rd_transfer_function, df_rd_free, df_rd_dump,
11301 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11302 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11303 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11304 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11305 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11306 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11307 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11308 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11309 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11310 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11311 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11312 df_urec_mark_reg_use_for_earlyclobber,
11313 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11314 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11315 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11316 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11317 df_chain_create_bb_process_use, df_chain_create_bb,
11318 df_chain_finalize, df_chain_free, df_chains_dump,
11319 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11320 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11321 df_reg_lifetime): New functions.
11322 * df.c: Deleted file.
11323 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11324 consistent with new df api.
11325 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11326 rest_of_handle_sms): Ditto.
11327 * web.c (unionfind_union, union_defs, entry_register, web_main):
11329 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11330 invariant_expr_equal_p, find_defs, check_dependencies,
11331 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11332 free_inv_motion_data, move_loop_invariants): Ditto.
11333 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11334 Update dependencies.
11335 (odf.c): Added defective entry that was deleted later in day.
11336 * sched-deps.c (sched_analyze_1): Ditto.
11338 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11340 * tree-ssa-operands.c (get_expr_operands): Record addressable
11341 variables directly. Do not call add_stmt_operands for CONST_DECLs
11343 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11344 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11346 2006-01-11 Ben Elliston <bje@au.ibm.com>
11348 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11349 function returns true in the positive case.
11351 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11354 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11355 for SI, DI, SF and DF modes. Add alternatives to copy between
11356 general and floating point registers to the 32-bit patterns.
11357 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11358 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11359 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11360 generating 64-bit code.
11361 * config/pa/pa.c (output_move_double): Handle copies between general
11362 and floating registers.
11364 2006-01-10 Stuart Hastings <stuart@apple.com>
11366 * config/i386/i386.md (set_got): Update.
11367 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11368 (builtin_setjmp_receiver): Mach-O support.
11369 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11370 (GOT_SYMBOL_NAME): Define.
11371 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11372 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11373 * config/i386/i386.c (override_options): Revise for Darwin.
11374 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11375 support. (darwin_x86_file_end): New. (output_set_got): Add label
11376 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11377 * config/i386/i386-protos.h (output_set_got): Likewise.
11378 * config/darwin.c (machopic_legitimize_pic_address): Update
11381 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11383 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11384 when MODE isn't BLKmode.
11386 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11388 PR rtl-optimization/25367
11389 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11391 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11394 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11395 for a negative bound.
11397 2006-01-10 Richard Guenther <rguenther@suse.de>
11399 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11400 Never override with anything constraint.
11402 2006-01-10 Jan Beulich <jbeulich@novell.com>
11404 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11405 256 bits when optimize_size.
11407 2006-01-10 Jan Beulich <jbeulich@novell.com>
11409 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11411 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11412 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11415 2006-01-10 Ben Elliston <bje@au.ibm.com>
11417 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11419 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11420 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11421 (USE_FP_FOR_ARG): Reject decimal float modes.
11422 (function_arg_advance): Likewise.
11423 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11424 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11425 point types in AltiVec vectors.
11426 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11427 (rs6000_libcall_value): Likewise.
11429 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11431 * config/xtensa/ieee754-df.S: New file.
11432 * config/xtensa/ieee754-sf.S: New file.
11433 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11434 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11435 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11437 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11439 * config/sh/predicates.md (binary_float_operator,
11440 binary_logical_operator, commutative_float_operator,
11441 equality_comparison_operator, greater_comparison_operator,
11442 less_comparison_operator, logical_operator,
11443 noncommutative_float_operator, shift_operator,
11444 symbol_ref_operand, unary_float_operator): Remove redundant
11447 2006-01-09 Jeff Law <law@redhat.com>
11449 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11450 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11451 now unused arguments. Callers updated.
11452 (eliminate_redundant_computations): Remove now unused arguments,
11454 (local_fold): Remove, no longer used.
11455 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11457 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11458 (simplify_cond): New function.
11459 (forward_propagate_into_cond): Call simplify_cond.
11461 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11463 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11464 (*vec_extractv2di_1_sse): New.
11466 2006-01-09 Ben Elliston <bje@au.ibm.com>
11468 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11470 2006-01-08 Richard Guenther <rguenther@suse.de>
11472 * tree-ssa-structalias.c (get_constraint_for): Remove
11473 anyoffset argument.
11474 (get_constraint_for_component_ref): Likewise.
11475 (do_deref): Likewise.
11476 (get_constraint_for): Likewise.
11477 (do_structure_copy): Likewise.
11478 (handle_ptr_arith): Likewise.
11479 (find_func_aliases): Likewise. Remove unused need_anyoffset
11482 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11483 Kaz Kojima <kkojima@gcc.gnu.org>
11485 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11486 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11487 (EXTRA_CONSTRAINT_C16): Remove.
11488 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11489 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11490 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11491 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11492 constants of SHmedia. Handle nested constant expressions of
11494 (andcosts): Fix the costs for SHmedia constants.
11495 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11496 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11497 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11498 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11499 (movv4hi_i, movv2si_i): Likewise.
11500 (movsi_const): Adjust the second operand of ior so to match with
11501 the Csu constraint.
11502 (movdi_const, movdi_const_32bit): Likewise.
11503 (movdi_const_16bit+1): Don't sign-extend LOW.
11504 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11506 (*double_shori): Fix the split condition. Use GEN_INT instead
11507 of get_int_mode calls. Mask lower 16-bit of the argument of
11509 (sym2GOTPLT): Remove.
11510 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11512 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11513 instead of EXTRA_CONSTRAINT_C16.
11515 2006-01-07 Ian Lance Taylor <ian@airs.com>
11516 David Edelsohn <edelsohn@gnu.org>
11518 PR rtl-optimization/25662
11519 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11520 for constant operands instead of simplify_gen_binary.
11521 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11522 after trying simplify_binary_operation
11524 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11526 * tree.c (iterative_hash_expr): Hash decls based on UID.
11528 2006-01-06 Eric Christopher <echristo@apple.com>
11530 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11531 (TARGET_UNWIND_EMIT): Fix spelling.
11532 * target.h (gcc_target): Add except_table_label.
11533 * except.c (output_function_exception_table): Use.
11534 * varasm.c (default_emit_except_table_label): New.
11535 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11537 (asm_out): Add here.
11538 * output.h (default_emit_except_table_label): Prototype.
11539 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11540 * config/darwin.c (darwin_emit_except_table_label): Define.
11541 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11543 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11545 PR tree-optimization/18527
11546 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11547 number_of_iterations_special, number_of_iterations_exit):
11548 Move base and step of an iv to a single structure. Add
11549 no_overflow flag, and use it in # of iterations analysis.
11550 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11551 folded_casts argument.
11552 (simple_iv): Pass base and step in a structure. Set no_overflow
11554 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11555 Evaluate expensiveness of computing # of iterations instead of
11556 the final expression.
11557 * tree-scalar-evolution.h (affine_iv): New structure.
11558 (simple_iv): Declaration changed.
11559 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11560 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11561 find_givs_in_stmt): Changed due to simple_iv change.
11563 2006-01-06 Jeff Law <law@redhat.com>
11566 * tree-cfg.c (bsi_replace): Rename final argument from
11567 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11568 change (stmt -> orig_stmt).
11569 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11570 (bsi_remove): Add new argument. Remove EH information
11572 (verify_eh_throw_table_statements): New function.
11573 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11575 * tree-optimize.c (execute_free_cfg_annotations): Verify
11576 the EH throw statement table after removing annotations.
11577 * except.h (verify_eh_throw_table_statements): Prototype.
11578 * tree-flow.h (bsi_remove): Update prototype.
11579 * tree-vrp.c (remove_range_assertions): Add new argument to
11581 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11582 * tree-complex.c (expand_complex_div_wide): Likewise.
11583 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11584 * tree-tailcall.c (eliminate_tailcall): Likewise.
11585 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11586 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11587 * tree-nrv.c (tree_nrv): Likewise.
11588 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11589 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11590 (combine_blocks): Likewise.
11591 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11592 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11593 (cleanup_control_flow): Likewise.
11594 (remove_forwarder_block): Likewise.
11595 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11596 * tree-sra.c (sra_replace): Likewise.
11597 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11598 (forward_propagate_single_use_vars): Likewise.
11599 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11600 * tree-inline.c (expand_call_inline): Likewise.
11601 * tree-vect-transform.c (vect_transform_loop): Likewise.
11602 * tree-outof-ssa.c (rewrite_trees): Likewise.
11603 * tree-cfg.c (make_goto_expr_edges): Likewise.
11604 (cleanup_dead_labels): Likewise.
11605 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11606 (bsi_move_before, bsi_move_after): Likewise.
11607 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11608 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11610 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11613 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11615 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11616 on non gimple variables. Also add checks at the top for decls and
11618 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11620 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11621 and IMAGPART_EXPR for creating MUST_DEFs.
11622 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11623 and NAME_MEMORY_TAG separately from the DECLs.
11625 2006-01-06 Richard Guenther <rguenther@suse.de>
11627 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11628 annotation, if necessary.
11629 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11630 redundant calls to update_stmt.
11631 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11634 2006-01-05 Richard Henderson <rth@redhat.com>
11636 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11638 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11640 * c-typeck.c: Update copyright date.
11642 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11644 * c-typeck.c (build_c_cast): Always warn when casting
11645 from a pointer to an integer of different size, even if
11646 the node was constant.
11648 2006-01-05 Richard Guenther <rguenther@suse.de>
11650 PR tree-optimization/22555
11651 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11652 if one structure field is an array.
11653 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11654 operands even if we found a subvar, but ignore VOPs in this
11656 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11658 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11660 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11662 PR middle-end/24998
11663 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11665 2006-01-05 Richard Guenther <rguenther@suse.de>
11666 Diego Novillo <dnovillo@redhat.com>
11668 * tree-pass.h (TODO_remove_unused_locals): Define.
11669 * gimple-low.c (expand_var_p, remove_useless_vars,
11670 pass_remove_useless_vars): Remove. Update all users.
11671 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11672 (remove_unused_locals): New function.
11673 * tree-flow.h (remove_unused_locals): Declare.
11674 * passes.c (execute_todo): Call remove_unused_locals if
11675 TODO_remove_unused_locals is set.
11676 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11677 * tree-ssa-dce.c (pass_dce): Likewise.
11678 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11680 2006-01-05 Richard Guenther <rguenther@suse.de>
11682 * tree-flow.h (struct fieldoff): Decompose field to
11683 type, size and decl.
11684 * tree-ssa-alias.c (create_sft): Take type as parameter.
11685 (create_overlap_variables_for): Store type, size and decl
11686 in the fieldoff structure.
11687 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11688 of struct fieldoff.
11689 (push_fields_onto_fieldstack): Likewise.
11690 (create_variable_info_for): Likewise. Use offset for the
11691 SFT name if the decl is not available.
11693 2006-01-04 Paul Brook <paul@codesourcery.com>
11695 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11697 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11699 * lambda-code.c (can_put_in_inner_loop): Relax
11701 (can_put_after_inner_loop): New function.
11702 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11703 (perfect_nestify): Change to make copies and modify uses.
11705 2006-01-04 Richard Henderson <rth@redhat.com>
11707 Merge from gomp branch:
11708 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11709 via integer constant.
11710 (pragma_lex): Remove.
11711 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11712 rather than parsing it.
11713 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11714 handle_pragma_extern_prefix): Add %< %> quotes.
11715 (registered_pragmas): New.
11716 (c_register_pragma_1): New.
11717 (c_register_pragma): Use it.
11718 (c_register_pragma_with_expansion): Likewise.
11719 (c_invoke_pragma_handler): New.
11720 (init_pragma): Use cpp_register_deferred_pragma directly for
11722 * c-pragma.h (enum pragma_kind): New.
11723 (pragma_handler): New.
11724 (c_invoke_pragma_handler): Declare.
11725 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11727 * c-common.h (c_common_pch_pragma): Update decl.
11728 * Makefile.in (c-parser.o): Update dependencies.
11729 (GTFILES): Add c-pragma.h.
11730 * c-parser.c (struct c_token): Add pragma_kind.
11731 (struct c_parser): Add in_pragma.
11732 (c_lex_one_token): Always initialize keyword and pragma_kind.
11733 Extract data for CPP_PRAGMA.
11734 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11735 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11736 Don't allow CPP_PRAGMA_EOL if in_pragma.
11737 (c_parser_consume_pragma): New.
11738 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11739 (c_parser_skip_to_end_of_parameter): Likewise.
11740 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11741 (c_parser_skip_to_pragma_eol): New.
11742 (c_parser_external_declaration): Handle CPP_PRAGMA.
11743 (c_parser_compound_statement_nostart): Likewise.
11744 (c_parser_statement_after_labels): Likewise.
11745 (c_parser_pragma): New.
11746 (pragma_lex): Likewise.
11747 (c_parser_pragma_pch_preprocess): New.
11748 (c_parser_new): Merge into ...
11749 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11751 2006-01-04 Jeff Law <law@redhat.com>
11754 * tree-cfg.c (bsi_replace): Remove the original statement
11755 from the EH throw statement table.
11757 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11759 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11760 make the prototype extern "C" and add throw ().
11763 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11764 and pos non-negative and pos + len <= 32.
11765 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11766 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11767 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11770 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11771 as well as sizes not multiple of component size.
11774 * function.c (instantiate_expr): New function.
11775 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11776 walk its DECL_VALUE_EXPR with instantiate_expr.
11778 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11779 DW_OP_deref{,_size} if address isn't going to be added.
11781 2006-01-04 Ben Elliston <bje@au.ibm.com>
11783 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11784 * config/fp-bit.c: Likewise.
11786 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11788 * dominance.c: Add comment about why we use DFS numbering
11791 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11792 Richard Henderson <rth@redhat.com>
11794 Merge from gomp-branch:
11795 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11796 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11798 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11800 PR rtl-optimization/25578
11801 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11802 pass a parameter to simplify_shift_const if changing ASHIFTRT
11805 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11807 * builtins.c (get_builtin_sync_mem): New function.
11808 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11809 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11810 Call get_builtin_sync_mem to generate mem rtx.
11812 2006-01-03 Richard Guenther <rguenther@suse.de>
11815 * stmt.c (add_case_node): Make sure to clear overflow flags
11818 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11820 Merge from gomp-branch.
11821 * config/sparc/sync.md: New file.
11822 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11823 UNSPECV_LDSTUB): New constants.
11824 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11825 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11826 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11829 2006-01-03 Roger Sayle <roger@eyesopen.com>
11831 * combine.c (reg_subword_p): New predicate to test whether the
11832 destination of a set refers to a subword/piece of a register.
11833 (try_combine): Generalize the code to merge the setting of a
11834 pseudo to a constant followed by a set of a subword of that
11835 register to a constant.
11837 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11839 * basic-block.h (control_flow_graph): Change the type of
11840 x_label_to_block_map to VEC(basic_block,gc) *.
11841 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11842 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11844 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11845 VEC(basic_block,heap) *.
11846 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11847 ssa_prop_fini): Adjust the uses of cfg_blocks.
11849 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11851 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11853 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11854 hashing trees instead of a pointer hash.
11855 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11856 compare for MEM_EXPR.
11858 PR rtl-optimization/25130
11859 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11860 when comparing MEMs for GCSE
11862 2006-01-03 Ben Elliston <bje@au.ibm.com>
11864 * targhooks.h (default_decimal_float_supported_p): Declare.
11865 * targhooks.c (default_decimal_float_supported_p): Define.
11866 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11867 `default_decimal_float_supported_p'.
11868 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11870 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11872 * combine.c (apply_distributive_law <SUBREG>): Check
11873 TRULY_NOOP_TRUNCATION.
11875 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11877 * dwarf2out.c (have_switched_text_section): Delete.
11878 (have_multiple_function_sections): New.
11879 (have_location_lists): Make 'bool'.
11880 (add_AT_loc_list): Use 'true' not '1'.
11881 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11882 (output_loc_list): Use have_multiple_function_sections.
11883 (output_ranges): Likewise.
11884 (dwarf2out_begin_function): Set have_multiple_function_sections if
11886 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11887 Check function_section rather than DECL_SECTION_NAME.
11888 (dwarf2out_finish): Use have_multiple_function_sections.
11889 Don't clear have_location_lists.
11891 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11892 Jan Hubicka <jh@suse.cz>
11894 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11895 case of conditional jump jumping to the next instruction.
11896 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11897 cases of conditional jump jumping to the next instruction.
11899 2006-01-02 Jan Hubicka <jh@suse.cz>
11901 * i386.c (*_cost): Add COSTS_N_INSNS.
11902 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11904 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11907 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11909 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11911 * config/arm/arm.c (all_fpus): Fix comment typo.
11912 * config/darwin.c: Likewise.
11913 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11914 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11915 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11917 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11919 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11920 (rs6000_split_compare_and_swapqhi): New.
11921 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11922 (sync_compare_and_swapqhi_internal): New.
11923 * config/rs6000/rs6000-protos.h: Declare.